WO2002043194A1 - Radio frequency coupling for a coaxial cable mounted on a panel with a bayonet type of coupling - Google Patents

Radio frequency coupling for a coaxial cable mounted on a panel with a bayonet type of coupling Download PDF

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Publication number
WO2002043194A1
WO2002043194A1 PCT/FI2001/001023 FI0101023W WO0243194A1 WO 2002043194 A1 WO2002043194 A1 WO 2002043194A1 FI 0101023 W FI0101023 W FI 0101023W WO 0243194 A1 WO0243194 A1 WO 0243194A1
Authority
WO
WIPO (PCT)
Prior art keywords
coupling
radio frequency
frame
flange
frequency coupling
Prior art date
Application number
PCT/FI2001/001023
Other languages
French (fr)
Inventor
Markku Pirinen
Original Assignee
Valtimo Components Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valtimo Components Oy filed Critical Valtimo Components Oy
Priority to AU2002218330A priority Critical patent/AU2002218330A1/en
Publication of WO2002043194A1 publication Critical patent/WO2002043194A1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H01R13/746—Means for mounting coupling parts in openings of a panel using a screw ring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/52—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted in or to a panel or structure

Definitions

  • Radio frequency coupling for a coaxial cable mounted on a panel with a bayonet type of coupling is a coaxial cable mounted on a panel with a bayonet type of coupling.
  • the present invention relates to radio frequency coupling, which includes a tubular frame, a centre conduct insulated from the frame, attaching elements in the ends of the frame and a flange at a distance from one end of the frame.
  • a radio frequency cable consists usually at least of a centre conduct, an insulating layer on it, of conducting layer and a conducting cover.
  • the meaning of the conducting cover is to prevent the spreading of high frequency, disturbing electromagnetic radiation to the surrounding area.
  • a radio frequency coupling includes a centre conduct, placed inside a tubular frame and adjustable to the centre conduct of a coupling head of a radio frequency coupling.
  • the coupling may be adjusted to an opening in the wall of the object with a nut suitable to the thread.
  • a coupling head of a radio frequency coupling with an adjusting nut suitable to the thread of the radio frequency coupling and suitable to a coupling may be adjusted.
  • the second problem of the thread attachment is the inclining of the coupling while adjusting the nut. This is seen especially when the opening in the object is too big in respect to the frame of the coupling or the wall of the object has been made of thin or yielding material.
  • the flange of the coupling When adjusting a nut of a radio frequency coupling to be attached to an opening that is too big, the flange of the coupling will be placed eccentric in respect to the opening. Therefore the edge of the opening will be pressed eccentric and the coupling will be inclined in respect to the case of the coupling.
  • the inclined position of the coupling will disturb the installation of the couplings near by and will cause malfunctions in the equipment. Furthermore there is the problem that the coupling may not be exactly in the middle of the opening.
  • the purpose of the invention is to provide a radio frequency coupling, which may be attached to a plate object, such as a wall of a case, easily and quickly without any special attaching elements or tools.
  • the purpose of the invention is also to provide a radio frequency coupling, several of which may be attached near each other in a relatively small space and by using which turning into inclined position is prevented.
  • the. purpose of the invention is to provide a radio frequency coupling which is always placed in the middle of the installation opening and in which the length of the portion going through the panel is minimized.
  • the radio frequency coupling according to the invention is characterized in that there is an end plate in one end of the frame, in which the surface of at least one shoulder against the frame are at least partly inclined, making the space between the shoulder and the flange narrowing.
  • the shape of the opening in the wall of the case corresponds to the shape of the end plate, such making it easy to push the end plate through the opening.
  • the coupling is turned such that the shoulder or shoulders will turn onto the plate and the plate is wedged between the shoulder (shoulders) and the flange and is firmly locked to it.
  • the radio frequency coupling may be attached to an opening of a plate object, such as a wall of a case, easily and quickly without any tools. Because of the wedgelike space between the shoulders and the flange the radio frequency coupling may be attached to a wall simply by fingers reliably and quickly.
  • the attachment may be secured, as usual, with soldering seam, welding, clue joint or by other suitable way.
  • the thickness of the wall of the attaching object may vary.
  • the thickness of wall of the attaching object defines the magnitude of the screwing angle.
  • the same coupling may be used with plates of different thickness. In that case to attach the coupling it must be turned more if the plate is thin and less if the plate is thick.
  • Advantage of the coupling according to the invention is also the fact that attaching element created by the flange and the end plate does not need much space and does not reach far from the edge of the attaching plate, so that several radio frequency couplings according to the invention may be attached to a small space. Furthermore, space is saved when the portion going through the plate is short.
  • the radio frequency coupling is placed always in the middle of the opening, and it is always attached to the object always according to the perpendicular of its wall and always stays in this advantageous position.
  • figure 1 shows a radio frequency coupling according to the invention viewed from the side
  • figure 2 shows a radio frequency coupling according to figure 1 with partial sections turned 90 degrees clockwise from the position in figure 1,
  • figure 3 shows a radio frequency coupling according to figure 1 viewed from the front
  • figure 4 shows a radio frequency coupling according to figure 1 viewed from the back
  • figure 5 shows the centre conduct of the radio frequency coupling according to figure 1 viewed from the side.
  • An application of the radio frequency coupling according to figures 1 - 5 includes a frame 1, a thread 3 in the front-end of the frame, a back plate 5 in the back end, a flange 4 near the back end, a shaft-like centre conduct 2 inside and in the middle of the frame and insulating material 11 between the centre conduct and the frame.
  • drillings 8 and 10 of the centre conduct of the radio frequency coupling are shown in figure 5.
  • the end plate 5 of the radio frequency coupling according to figures 1 - 5 is of a shape of a arched ended rectangle according to figure 4 because of the crosswise carvings 12 and 13 in respect to the frame 1.
  • Arched parts form shoulders 6 and 7 outwards from the end plate, and their surfaces on the flange side are in inclined angle in respect to the flange according to figure 2.
  • the space between the end plate and the flange is of a shape of a trapezium until the carvings 9 viewed from the direction of figure 2.
  • the size and the shape of the shoulders and the end plate may vary in different applications of the invention.
  • the wedgelike space between the end plate 5 and the flange 4 is essential.
  • the surfaces on the side of flange 4 of the shoulders 6, 7 are placed in inclined angle in opposite direction in respect to each other.
  • the opposite direction is, in this case, a direction to be defined; if you rotate the coupling a circle you find out that the surfaces are parallel, if you look through the coupling, they are opposite in direction.
  • the radio, frequency coupling according to figures 1 - 5 is meant to be attached to an opening mainly of a shape of an end plate 5 in a plate-like object.
  • the radio frequency coupling is turned, in this case, clockwise until the wall is attached between the inclined shoulders 6 and 7 and the flange 4.
  • the sections 9 in the frame enable the turning of the coupling in attaching phase.
  • the flange is placed clearly nearer the back end than the front end. This is because of the distance between the ⁇ end- plate and the flange being relatively small corresponding to thickness of a wall of the most common attaching objects made of plate-like material. Because the distance between the flange and the end plate may also vary in different applications of the invention, the attaching element of a radio frequency coupling according to the invention is compatible in a wide range of thickness.
  • the front end of this coupling is similar to a , corresponding part of a recognized ⁇ radio ⁇ equeney-coupling until the flange 4 ⁇ ..
  • the - length of the thread 3, the pitch and the diameter 1 of the frame may, however, vary according to different-types of couplings and depending on to what kind of radio frequency cable the coupling is meant to be attached. There are also couplings without threads and this coupling model may also be applied to that kind of coupling.
  • FIG 5 there are the centre conduct 2, a shaft-like object with a drilling 8 in the thread end for the shaft of the centre conduct of the coupling end of the radio frequency cable.
  • a counterpart of a centre conduct according to figure 5 may be used as a centre conduct in the radio frequency coupling according to the invention.
  • a centre conduct according to figure 5 must be in the coupling end of the cable suitable to the coupling.
  • the attachment of the radio frequency coupling according to the invention may be applied in different types of radio frequency couplings.
  • the attachment may be applied also, for example, with distributing couplings and adapters, in which there are two or several coupling heads and in which the signal transmitted in the radio frequency cable may be distributed to several equipment or with which two different kinds of cables may be attached together.
  • the attachment of the coupling head of a radio frequency cable to a radio frequency coupling according to the invention may differ from the nut attachment presented in the application according to figures 1 - 5.
  • Attachment may be realized with an adapter for the frame, as in antenna attachment of a television, or by means of shoulder shafts in the radio frequency coupling to be attached to the grooves in the coupling end of the radio frequency cable.
  • the size, shape, construction material and connections between separate parts of the radio frequency coupling according to the invention may vary.
  • the frame 1 may be made of different kinds of materials conducting electricity. As insulation material different kinds of plastics or other suitable insulating materials not conducting electricity may be used.
  • the flange and the end plate may be made of different material that the frame.

Abstract

The subject of the invention is a radio frequency coupling, which includes a tubular frame (1), a centre conduct (2), insulated from the frame, attaching elements (3, 4, 5) in the ends of the frame and a flange (4) at a distance from the other end of the frame. The radio frequency coupling according to the invention is characterized in that in the end of the frame (1) with the flange there is an end plate (5), with the surfaces against the flange (4) of at least one of the shoulders (6, 7) are at least partly in inclined angle thus forming the space between the shoulders and the flange (4) narrowing.

Description

Radio frequency coupling for a coaxial cable mounted on a panel with a bayonet type of coupling.
The present invention relates to radio frequency coupling, which includes a tubular frame, a centre conduct insulated from the frame, attaching elements in the ends of the frame and a flange at a distance from one end of the frame.
One of the important objectives of a construction of radio frequency cables and couplings is to prevent the induction of electromagnetic radiation to low frequency and dc-circuits possibly placed near them. A radio frequency cable consists usually at least of a centre conduct, an insulating layer on it, of conducting layer and a conducting cover. The meaning of the conducting cover is to prevent the spreading of high frequency, disturbing electromagnetic radiation to the surrounding area.
In order to prevent the leakage of disturbances coupling heads as well as couplings are been realised according to earlier mentioned principle. Therefore a radio frequency coupling includes a centre conduct, placed inside a tubular frame and adjustable to the centre conduct of a coupling head of a radio frequency coupling. Many different kinds of coupling heads and couplings by construction exist and are in use. In one construction there is a flange in the middle point of the tubular frame, and on the both sides of the flange there is a thread. By means of the thread inside the adjusting object the coupling may be adjusted to an opening in the wall of the object with a nut suitable to the thread. To the end of the frame of the coupling outside the object a coupling head of a radio frequency coupling, with an adjusting nut suitable to the thread of the radio frequency coupling and suitable to a coupling may be adjusted.
Development of communications techniques and generalization of internal networks have remarkable increased the use of high frequency components. Therefore the use and installations of radio frequency couplings have notable increased recently. Because of this it is usual that couplings must be mounted in a small space. Attachment with nuts in close places is slow and difficult. To secure the attachment soldering seam is also used.
The second problem of the thread attachment is the inclining of the coupling while adjusting the nut. This is seen especially when the opening in the object is too big in respect to the frame of the coupling or the wall of the object has been made of thin or yielding material. When adjusting a nut of a radio frequency coupling to be attached to an opening that is too big, the flange of the coupling will be placed eccentric in respect to the opening. Therefore the edge of the opening will be pressed eccentric and the coupling will be inclined in respect to the case of the coupling. The inclined position of the coupling will disturb the installation of the couplings near by and will cause malfunctions in the equipment. Furthermore there is the problem that the coupling may not be exactly in the middle of the opening.
The purpose of the invention is to provide a radio frequency coupling, which may be attached to a plate object, such as a wall of a case, easily and quickly without any special attaching elements or tools. The purpose of the invention is also to provide a radio frequency coupling, several of which may be attached near each other in a relatively small space and by using which turning into inclined position is prevented. Furthermore, the. purpose of the invention is to provide a radio frequency coupling which is always placed in the middle of the installation opening and in which the length of the portion going through the panel is minimized.
The object of the invention is accomplished by a radio frequency coupling, the characteristics of which are presented in the claims.
The radio frequency coupling according to the invention is characterized in that there is an end plate in one end of the frame, in which the surface of at least one shoulder against the frame are at least partly inclined, making the space between the shoulder and the flange narrowing. The shape of the opening in the wall of the case corresponds to the shape of the end plate, such making it easy to push the end plate through the opening. After this has been done the coupling is turned such that the shoulder or shoulders will turn onto the plate and the plate is wedged between the shoulder (shoulders) and the flange and is firmly locked to it. Thus by means of a simple attaching element formed from the end plate and flange the radio frequency coupling may be attached to an opening of a plate object, such as a wall of a case, easily and quickly without any tools. Because of the wedgelike space between the shoulders and the flange the radio frequency coupling may be attached to a wall simply by fingers reliably and quickly. The attachment may be secured, as usual, with soldering seam, welding, clue joint or by other suitable way.
Because of the wedgelike space between the shoulders and the end plate the thickness of the wall of the attaching object may vary. The thickness of wall of the attaching object defines the magnitude of the screwing angle. The same coupling may be used with plates of different thickness. In that case to attach the coupling it must be turned more if the plate is thin and less if the plate is thick. Advantage of the coupling according to the invention is also the fact that attaching element created by the flange and the end plate does not need much space and does not reach far from the edge of the attaching plate, so that several radio frequency couplings according to the invention may be attached to a small space. Furthermore, space is saved when the portion going through the plate is short.
In advantageous application of the invention there are at least two separate shoulders in the end plate. These shoulders are usually symmetric in regard to each other and the construction. Because of the symmetricity of the shoulders of the end plates the radio frequency coupling is placed always in the middle of the opening, and it is always attached to the object always according to the perpendicular of its wall and always stays in this advantageous position.
In the third advantageous application of the invention there are carvings in the end plate in order to attach the radio frequency coupling. Because of the carvings the radio frequency coupling may be turned in the phase of attaching.
Next, the invention will be explained in more detail with reference to the accompanying drawings, in which,
figure 1 shows a radio frequency coupling according to the invention viewed from the side,
figure 2 shows a radio frequency coupling according to figure 1 with partial sections turned 90 degrees clockwise from the position in figure 1,
figure 3 shows a radio frequency coupling according to figure 1 viewed from the front,
figure 4 shows a radio frequency coupling according to figure 1 viewed from the back, and
figure 5 shows the centre conduct of the radio frequency coupling according to figure 1 viewed from the side.
An application of the radio frequency coupling according to figures 1 - 5 includes a frame 1, a thread 3 in the front-end of the frame, a back plate 5 in the back end, a flange 4 near the back end, a shaft-like centre conduct 2 inside and in the middle of the frame and insulating material 11 between the centre conduct and the frame. There are carvings 9 in the frame and parallel carvings 12 and 13 in the end plate and shoulders 6 and 7_ between them. Furthermore, drillings 8 and 10 of the centre conduct of the radio frequency coupling are shown in figure 5. The end plate 5 of the radio frequency coupling according to figures 1 - 5 is of a shape of a arched ended rectangle according to figure 4 because of the crosswise carvings 12 and 13 in respect to the frame 1. Arched parts form shoulders 6 and 7 outwards from the end plate, and their surfaces on the flange side are in inclined angle in respect to the flange according to figure 2. Thus the space between the end plate and the flange is of a shape of a trapezium until the carvings 9 viewed from the direction of figure 2. The size and the shape of the shoulders and the end plate may vary in different applications of the invention. The wedgelike space between the end plate 5 and the flange 4 is essential.
In this application the surfaces on the side of flange 4 of the shoulders 6, 7 are placed in inclined angle in opposite direction in respect to each other. Thus a reliable locking and concentrajion-of the-coupling to the middle of the opening is realized. The opposite direction is, in this case, a direction to be defined; if you rotate the coupling a circle you find out that the surfaces are parallel, if you look through the coupling, they are opposite in direction.
The radio, frequency coupling according to figures 1 - 5 is meant to be attached to an opening mainly of a shape of an end plate 5 in a plate-like object. When attaching the end plate is pushed through the opening inside the wall such that the flange 4 will be against the edges of the opening. Then the radio frequency coupling is turned, in this case, clockwise until the wall is attached between the inclined shoulders 6 and 7 and the flange 4. The sections 9 in the frame enable the turning of the coupling in attaching phase.
In the radio frequency coupling according to figures 1 - 5 the flange is placed clearly nearer the back end than the front end. This is because of the distance between the^end- plate and the flange being relatively small corresponding to thickness of a wall of the most common attaching objects made of plate-like material. Because the distance between the flange and the end plate may also vary in different applications of the invention, the attaching element of a radio frequency coupling according to the invention is compatible in a wide range of thickness.
As presented in figures 1 - 3 the front end of this coupling is similar to a , corresponding part of a recognized^radio^equeney-coupling until the flange 4^.. The - length of the thread 3, the pitch and the diameter 1 of the frame may, however, vary according to different-types of couplings and depending on to what kind of radio frequency cable the coupling is meant to be attached. There are also couplings without threads and this coupling model may also be applied to that kind of coupling.
In figure 5 there are the centre conduct 2, a shaft-like object with a drilling 8 in the thread end for the shaft of the centre conduct of the coupling end of the radio frequency cable. Naturally, a counterpart of a centre conduct according to figure 5 may be used as a centre conduct in the radio frequency coupling according to the invention. In that case a centre conduct according to figure 5 must be in the coupling end of the cable suitable to the coupling. There is a drilling 10 in the end of the end plate of the centre conduct 2>φι the application according to figures 1 - 5, where the drilling, in this case, is meant to facilitate to attach the coupling wire to the centre conduct.
The attachment of the radio frequency coupling according to the invention may be applied in different types of radio frequency couplings. The attachment may be applied also, for example, with distributing couplings and adapters, in which there are two or several coupling heads and in which the signal transmitted in the radio frequency cable may be distributed to several equipment or with which two different kinds of cables may be attached together. The attachment of the coupling head of a radio frequency cable to a radio frequency coupling according to the invention may differ from the nut attachment presented in the application according to figures 1 - 5. Attachment may be realized with an adapter for the frame, as in antenna attachment of a television, or by means of shoulder shafts in the radio frequency coupling to be attached to the grooves in the coupling end of the radio frequency cable.
The size, shape, construction material and connections between separate parts of the radio frequency coupling according to the invention may vary. The frame 1 may be made of different kinds of materials conducting electricity. As insulation material different kinds of plastics or other suitable insulating materials not conducting electricity may be used. The flange and the end plate may be made of different material that the frame.
The invention is not limited to the presented advantageous application but it can vary within the frames of the idea of the invention formed in the claims.

Claims

1. A radio frequency coupling, which includes a tubular frame (1), a centre conduct (2) insulated from the frame, attaching elements (3, 4, 5) in the ends of the frame, and at a distance from them . in the other end of the frame a flange (4) charac t eriz e d in that in the end with the flange of the frame (1) there is an end plate (5), in which the surfaces against the flange (4) of at least one of the shoulders (6, 7) are at least partly in inclined angle, thus forming the space between the shoulders and the flange (4) narrowing.
2. A radio frequency coupling in accordance with claim 1, characterize d in that in the end plate (5) there are at least two separate shoulders (6, 7).
3. A radio frequency coupling in accordance with claim 1 or 2, char ac t eriz e d in that there are carvings (9) in the end plate (5).
PCT/FI2001/001023 2000-11-24 2001-11-23 Radio frequency coupling for a coaxial cable mounted on a panel with a bayonet type of coupling WO2002043194A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002218330A AU2002218330A1 (en) 2000-11-24 2001-11-23 Radio frequency coupling for a coaxial cable mounted on a panel with a bayonet type of coupling

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20002578 2000-11-24
FI20002578A FI109564B (en) 2000-11-24 2000-11-24 Radiofrekvensanslutningsdon

Publications (1)

Publication Number Publication Date
WO2002043194A1 true WO2002043194A1 (en) 2002-05-30

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ID=8559569

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2001/001023 WO2002043194A1 (en) 2000-11-24 2001-11-23 Radio frequency coupling for a coaxial cable mounted on a panel with a bayonet type of coupling

Country Status (3)

Country Link
AU (1) AU2002218330A1 (en)
FI (1) FI109564B (en)
WO (1) WO2002043194A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007073972A1 (en) * 2005-12-27 2007-07-05 Robert Bosch Gmbh Connector arrangement

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB878221A (en) * 1958-09-08 1961-09-27 Ass Elect Ind Improvements relating to apparatus for securing a first body within an aperture in asecond body
US3671922A (en) * 1970-08-07 1972-06-20 Bunker Ramo Push-on connector
US4738626A (en) * 1985-04-12 1988-04-19 Reichle + De Massari Ag Electro-Ingenieure Assembly adapter for connecting coaxial cables
US5759064A (en) * 1995-07-28 1998-06-02 Yazaki Corporation Waterproof lamp socket structure
EP0893852A2 (en) * 1997-07-25 1999-01-27 Itt Manufacturing Enterprises, Inc. Connector with releasable mounting flange

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB878221A (en) * 1958-09-08 1961-09-27 Ass Elect Ind Improvements relating to apparatus for securing a first body within an aperture in asecond body
US3671922A (en) * 1970-08-07 1972-06-20 Bunker Ramo Push-on connector
US4738626A (en) * 1985-04-12 1988-04-19 Reichle + De Massari Ag Electro-Ingenieure Assembly adapter for connecting coaxial cables
US5759064A (en) * 1995-07-28 1998-06-02 Yazaki Corporation Waterproof lamp socket structure
EP0893852A2 (en) * 1997-07-25 1999-01-27 Itt Manufacturing Enterprises, Inc. Connector with releasable mounting flange

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007073972A1 (en) * 2005-12-27 2007-07-05 Robert Bosch Gmbh Connector arrangement

Also Published As

Publication number Publication date
AU2002218330A1 (en) 2002-06-03
FI20002578A (en) 2002-05-25
FI20002578A0 (en) 2000-11-24
FI109564B (en) 2002-08-30

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