CN101969163A - Connector attachment - Google Patents

Connector attachment Download PDF

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Publication number
CN101969163A
CN101969163A CN 201010521713 CN201010521713A CN101969163A CN 101969163 A CN101969163 A CN 101969163A CN 201010521713 CN201010521713 CN 201010521713 CN 201010521713 A CN201010521713 A CN 201010521713A CN 101969163 A CN101969163 A CN 101969163A
Authority
CN
China
Prior art keywords
sleeve
coupling nut
connector
cable
stay
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN 201010521713
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Chinese (zh)
Other versions
CN101969163B (en
Inventor
朱春晖
陈杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Aviation Optical Electrical Technology Co Ltd
Original Assignee
China Aviation Optical Electrical Technology Co Ltd
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 China Aviation Optical Electrical Technology Co Ltd filed Critical China Aviation Optical Electrical Technology Co Ltd
Priority to CN 201010521713 priority Critical patent/CN101969163B/en
Publication of CN101969163A publication Critical patent/CN101969163A/en
Application granted granted Critical
Publication of CN101969163B publication Critical patent/CN101969163B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a connector attachment which comprises a sleeve, wherein a connecting nut is axially limited and sheathed on the front end of the sleeve, the back end of the connector attachment is provided with a cable fixing structure for fixing a cable, the front end of a connecting nut bore is provided with an internal thread matched with an external thread on the connector, a locking damp structure is arranged between the connecting nut and the sleeve, and the sleeve is provided with a locking structure matched with the structure on the connector for stopping rotation. By arranging the threads connected with the connector at the front end of the connecting nut bore to connect the connector attachment onto the connector by means of the threads, the invention avoids the problem that holding screws are lost in the transportation process in case of connection by the holding screws in the prior art.

Description

Connector fitting
Technical field
The present invention relates to a kind of being used for is fixedly coupled the device annex with electric connector and cable.
Background technology
At present generally adopt holding screw to lock or on bridge screw, fasten fuse with the locking of supporting annex of electric connector and connector.There is following problem in these two kinds of traditional approachs: holding screw equipped in the annex is lost in transportation and use easily.And be connected to annex on the connector or unclamp annex and all holding screw must be outwarded winding and screw, use inconvenient.Fasten the fixed form of fuse on bridge screw, operation is also inconvenient.Application number is that 200320126701.7 Chinese patent specification discloses a kind of connector fitting, it is by coupling nut, caulking gum, jump ring, pin, sleeve, active pull rod and cable clamping plate are formed, the front end of coupling nut offers set screw hole, set screw hole is used to install with connector fitting and the fixing holding screw of electric connector, coupling nut is set on the side face of barrel forward end, be provided with between coupling nut and the sleeve coupling nut is fixed on jump ring on the sleeve, coupling nut can rotate with respect to sleeve but can not be by taking off on the sleeve, the front end of sleeve endoporus is provided with the inside groove of setting-in caulking gum, be embedded with caulking gum in the inside groove, the follower head place of coupling nut periphery is provided with two pull bars symmetrically, one end of two pull bars respectively by dowel fixes on coupling nut, the other end of two pull bars is connected by the two ends of screw with two clamping plate, the cable at connector rear end of being electrically connected passes between by two clamping plate, cable can be clamped between two clamping plate by tightening screw, in use, can on cable, produce pulling force during tow cable, this pulling force is passed to pull bar by clamping plate and is passed to sleeve by pull bar, and finally pass to the fixedly device panel of electric connector, bear this pulling force by device panel, prevent that the pulling force on the cable from pulling down cable from electric connector, damage electric connector.This connector fitting promptly is to be connected with electric connector by the holding screw that the coupling nut front end is provided with, and just there is the top said problem that holding screw is lost easily in the transportation of annex in this.
Summary of the invention
The object of the present invention is to provide a kind of connector fitting, when connector fitting and connector being connected to solve the available technology adopting holding screw, the problem that holding screw is lost easily in the process of transporting annex.
For achieving the above object, the present invention adopts following technical scheme: a kind of connector fitting, comprise sleeve, the front end axial limiting of sleeve is set with coupling nut, the rear end of connector fitting has the cable immobilizing structure that is used for fixing cable, the front end of described coupling nut endoporus is provided with and is used for the internal thread that cooperates with external screw thread on the connector, have between coupling nut and the sleeve and only revolve damping structure, described sleeve be provided be used for connector on the spline structure of respective outer side edges spline.
The described damping structure that only revolves comprises the interior stay of fit clearance that is arranged on coupling nut and sleeve, the middle part of stay is a segmental arc, the two ends of segmental arc have the planar section tangent with segmental arc, stay is fixed on the coupling nut by the segmental arc at its middle part, the planar section at stay two ends is pressed on the outer peripheral face of sleeve, and the planar section at stay two ends is provided with the fin that cooperates with the side face tooth clamping stagnation that is provided with on the sleeve outer peripheral face.
Described fin is that cross section is leg-of-mutton strip fin.
Described stay is fixed on the coupling nut by rivet.
Described cable immobilizing structure comprises support, the front end of support is provided with the retaining thread of fixing with sleeve and uses the hole, support is fixed on the sleeve with the hole is removable by retaining thread, described cable immobilizing structure is for being fixed on two cable pressure strips that cooperatively interact of back-end support by the cable hold-down screw, described support is the strip shape body with two side planes, retaining thread is arranged on the flat anterior axis in both sides perpendicular to side plane with the hole, the rear end of support has the lug of end face perpendicular to side plane, lug has the hole that confession cable hold-down screw passes, and the axis normal in the hole that confession cable hold-down screw passes is in the end face of lug.
Be coated with interior cover in the endoporus of described sleeve, interior cover is fixed in the sleeve by its front portion, and the rear end of interior cover is arranged with the clamping sleeve that the tubular gauze screen that is used for the cable outside puts in being pressed on.
Has roof pressure step surface in described on the outer peripheral face of cover front portion towards the rear end, the step surface roof pressure that is provided with on roof pressure step surface and the sleeve endoporus cooperates, the front end face of interior cover cooperates with the endoporus step surface roof pressure of coupling nut, is provided with between the side face before the roof pressure step surface of interior cover and the mating surface of sleeve endoporus and only revolves key.
Described spline structure is by the interior end tooth that is used for cooperating with the end tooth on the connector anti-rotation that is set on the sleeve on the front end face that overlaps in being arranged on.
Described coupling nut is arranged on the sleeve by being arranged on the jump ring axial limiting that connects between sieve cap and the sleeve.
The front end of coupling nut endoporus of the present invention is provided for the screw thread that is connected with connector, by screw thread connector fitting is connected on the connector, when having avoided the available technology adopting holding screw to connect, the problem that the holding screw that occurs in transportation is lost, be provided with between coupling nut of the present invention and the sleeve and only revolve damping structure, have on the sleeve with connector on the structure of respective outer side edges spline, only revolve damping structure and prevent that coupling nut from arbitrarily rotating with respect to sleeve, spline structure prevents that sleeve from rotating with respect to connector, therefore coupling nut can arbitrarily not rotate with respect to connector, that is to say that being threaded between coupling nut and the connector can not become flexible, therefore, connector fitting can not come off from connector.
The damping structure that only revolves of the present invention is the stay that is arranged within the fit clearance of coupling nut and sleeve, the middle part of stay is an arc, segmental arc by rivet on coupling nut, two ends are the planar section tangent with the middle part, the planar section at the two ends of stay is provided with the strip fin, the cross section of strip shape body fin is a triangle, the planar section at stay two ends is pressed on the side face that is provided with the side face tooth of sleeve, the strip fin is stuck in the teeth groove of side face tooth, when coupling nut being applied twisting resistance and twisting resistance when enough big, when coupling nut rotates with respect to sleeve, side face tooth pushing fin, the stay distortion is close to the inner hole wall of coupling nut, coupling nut rotates with respect to sleeve, big inadequately as twisting resistance, the side face tooth can't overcome the elastic force of stay, can not make the stay distortion, coupling nut can not rotate with respect to sleeve, thereby play the effect in relative rotation between damping coupling nut and the sleeve, because have spline structure between sleeve and the connector shell, both can not relatively rotate, therefore, coupling nut can not arbitrarily rotate with respect to connector shell, thereby avoids thread looseness between the two.The damping structure that only revolves of the present invention is a stay, it is simple in structure, damping is good, because the cross section of the fin that works is a triangle, can change the gradient of leg-of-mutton action edge, adjust the size of damping, can also adjust simultaneously the gradient of leg-of-mutton two action edge, make to there are differences that damping force is little when allowing coupling nut be tightened on the connector between the two, the damping force when coupling nut unscrews with respect to connector shell is big, like this, when vibrations were arranged, coupling nut can revolve tighter and tighter on connector, can not become flexible.
The front end of support of the present invention is provided with the retaining thread of fixing with sleeve and uses the hole, support is fixed on the sleeve by screw is removable, unscrew the angle between screw adjustable support and the sleeve, tightening screw then is fixed on support on the sleeve, can adjust the outlet angle of cable, can provide different outlet angles with a kind of annex, to satisfy different user demands.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the embodiment of the invention;
Fig. 2 is coupling nut among Fig. 1, sleeve and the assembling schematic diagram that only revolves damping structure between the two,
Fig. 3 is the front view of the coupling nut among Fig. 1;
Fig. 4 is the stereogram of the coupling nut among Fig. 1;
Fig. 5 is the structural representation of interior cover among Fig. 1;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the stereogram of interior cover among Fig. 1;
Fig. 8 is the structural representation of Fig. 1 middle sleeve;
Fig. 9 is the left view of Fig. 8;
Figure 10 is the right view of Fig. 8;
Figure 11 is the structural representation of Fig. 1 medium-height trestle;
Figure 12 is the left view of Figure 11;
Figure 13 is the right view of Figure 11;
Figure 14 is the stereogram of Fig. 1 medium-height trestle;
Figure 15 is the front view of stay among Fig. 1;
Figure 16 is the left view of Figure 15;
Figure 17 is the upward view of Figure 15;
Figure 18 is the stereogram of stay among Fig. 1.
Embodiment
A kind of embodiment of connector fitting, in Fig. 1 ~ 18, this connector fitting comprises sleeve 3, the front end periphery of sleeve 3 is set with coupling nut 4, be provided with between the mating surface of coupling nut 4 and sleeve 3 coupling nut 4 is arranged on jump ring 7 on the sleeve 3, jump ring 7 is positioned at the rear portion of coupling nut 4, the front end of coupling nut 4 extends to the front portion of sleeve, coupling nut 4 extends to the diameter of endoporus of part of sleeve front portion less than the diameter of rear end, has step surface between enlarged diameter section and the reduced diameter section, has internal thread on the hole wall of the minor diameter endoporus of coupling nut 4, the external screw thread that this internal thread is used for being provided with the connector shell rear end locks, and connector fitting is arranged on the connector.Has fit clearance in the place ahead of jump ring 7 between coupling nut 4 and the sleeve 3, be provided with stay 6 in this fit clearance, segmental arc during stay 6 comprises, the radius of curvature approximately equal of the radius of curvature of segmental arc and coupling nut endoporus, the two ends of segmental arc have the planar section tangent with segmental arc, stay 6 is fixed on the coupling nut 4 by rivet 5, the riveting point of stay 6 is positioned at the middle part of the segmental arc of stay, two planar sections of stay 6 are pressed on the side face of sleeve 3, has the triangle side face tooth 16 that extends vertically on sleeve 3 and the side face section that the planar section of stay cooperates, the planar section of stay 6 has the fin 19 towards sleeve, fin 19 is that cross section is leg-of-mutton strip fin, fin 19 cooperates with side face tooth 16 mutual block cards, because the stay riveted and fixed is on coupling nut 4, and the fin 19 on the stay 6 cooperates with side face tooth 16 mutual block cards on the sleeve, therefore, stay 6 can prevent that coupling nut 4 from freely rotating with respect to sleeve 3, and stay 6 has elasticity, again can be with coupling nut 4 turns when applying bigger power.The gradient of the two sides by changing triangle side face tooth 16 can change the power of turn coupling nut, can adjust the oblique gradient in two sides of side face tooth 16, it is little to make that coupling nut rotates the power that needs to the direction that screws with connector, the power that needs to the direction rotation that unscrews is big, like this, in when vibration, between connector fitting and the connector to be connected meeting more and more tighter.
The endoporus of sleeve 3 is the little shoulder hole of the big rear end of point diameter diameter, cover 2 in being equipped with in the endoporus of sleeve 3, has roof pressure step surface 20 on the outer peripheral face of interior cover 2 towards the rear end, roof pressure step surface 20 cooperates with the step surface roof pressure of sleeve endoporus, the front end face of interior cover 2 cooperates with the endoporus step surface roof pressure of coupling nut 4, the hole wall of the endoporus that side face section that the diameter before the roof pressure step surface of interior cover 2 is bigger and sleeve 3 endoporus point diameters are bigger is fitted, has the gap between the hole wall of the endoporus that side face section that the diameter after the roof pressure step surface of interior cover 2 is less and sleeve 3 endoporus rear end diameters are less, in have on the bigger side face section of diameter before cover 2 the roof pressure step surface and only revolve keyway 15, the hole wall of the endoporus that sleeve 3 endoporus point diameters are bigger be provided with only revolve that keyway 15 cooperates spline only revolve key, only revolving key is positioned at and only revolves keyway 15 and prevent that cover 2 from rotating with respect to sleeve 3, and the front end face roof pressure of interior cover 2 is on the step surface of the endoporus of coupling nut 4, in cover 2 roof pressure step surface again roof pressure at the step surface of the endoporus of sleeve, therefore, interior cover 2 is fixed on the sleeve 3, in the present embodiment, only revolve keyway 15 and be groove, the front end face of cover in its front end extends to, the rear end extends to roof pressure step surface place, only revolving key is wholely set on the inner hole wall of sleeve, the radial dimension of the step surface that cooperates with the roof pressure step surface on the radial dimension that only revolves key and the sleeve endoporus equates, also can be understood as, front end expansion at the sleeve endoporus is provided with the deep-slotted chip breaker that several extend vertically, the front end of deep-slotted chip breaker extends to the front end face of sleeve, the rear end forms the step surface that cooperates with the roof pressure step surface of interior cover, only revolve key separately by one between the two adjacent deep-slotted chip breakers, only revolve key and be in only revolving in the keyway of interior cover.When assembling,, again coupling nut is arranged on the sleeve by front end sleeve earlier with in the endoporus of interior cover by front loaded sleeve.In be provided with a circle end tooth 14 on cover 2 the front end face, the diameter of the circumference at end tooth 14 outermost places is consistent with the diameter of the minor diameter endoporus of coupling nut 4 front ends, end tooth 14 be used for connector shell rear end end face on the end tooth engagement of cooperating prevent that sleeve from rotating with respect to connector.
The rear end of sleeve 3 is symmetrically arranged with two supports 11, support 11 is for having the strip shape body of two side planes 18, the rear end of support 11 has a lug, lug has two end faces 17 up and down, end face 17 is perpendicular to side 18, the front end of support 11 has retaining thread and uses the hole, retaining thread with the axis normal in hole in the side 18, support 11 by this retaining thread with the rear end that is fixed on sleeve that cooperates between hole and the screw 10, lug is provided with the hole that supply cable hold-down screw pass of axis normal in end face 17, the rear end of support 11 is connected with the cable clamping plate 13 of fixed cable, the stage casing of cable clamping plate 13 is the segmental arc that cooperates with the outer peripheral face of cable, the two ends of segmental arc have two planar end plate, the cable clamping plate are two, the planar end plate of one of them cable clamping plate cooperates with an end face of lug, another wire clamp cooperates with another end face of lug, two cable clamping plate are by the rear end of screw at support, the screw of fixed cable clamping plate passes the hole of passing for the cable hold-down screw, synthetic cylindrical hole in the middle part of cable clamping plate like this, the cable 1 at connector rear end of being electrically connected pass between by two cable clamping plate and are tight by two cable clamp plate holders.In cover 2 rear end be arranged with clamping sleeve 9, clamping sleeve 9 is positioned at the rear end of cover 2 and the fit clearance of sleeve 3 endoporus, pressure is provided with tubular gauze screen 21 between interior cover 2 and the clamping sleeve 9, the be laid in outside of cable 1 of tubular gauze screen 21 is used for shielded signal.
The cable immobilizing structure of present embodiment comprises support, the tail end of support is provided with cable clamp, cable is fixed on the support by cable clamp, rear end that also can sleeve is set to throat structure, throat structure cooperates with cable and makes the throat structure distortion by external force, cable is compressed simultaneously and the screen in the outside of cable also can also be pressed on the cable cover and pressure welding case in saving simultaneously.
The spline structure of present embodiment is the end tooth of cover on the front end face in being arranged on, end tooth also can be arranged on the front end face of sleeve or the sleeve endoporus on the step surface of front end.
The location that is enclosed within the present embodiment in the sleeve endoporus can also be realized by the fixing mode of jump ring.

Claims (9)

1. connector fitting, comprise sleeve, the front end axial limiting of sleeve is set with coupling nut, the rear end of connector fitting has the cable immobilizing structure that is used for fixing cable, it is characterized in that: the front end of described coupling nut endoporus is provided with and is used for the internal thread that cooperates with external screw thread on the connector, have between coupling nut and the sleeve and only revolve damping structure, described sleeve be provided be used for connector on the spline structure of respective outer side edges spline.
2. connector fitting according to claim 1, it is characterized in that: the described damping structure that only revolves comprises the interior stay of fit clearance that is arranged on coupling nut and sleeve, the middle part of stay is a segmental arc, the two ends of segmental arc have the planar section tangent with segmental arc, stay is fixed on the coupling nut by the segmental arc at its middle part, the planar section at stay two ends is pressed on the outer peripheral face of sleeve, and the planar section at stay two ends is provided with the fin that cooperates with the side face tooth clamping stagnation that is provided with on the sleeve outer peripheral face.
3. connector fitting according to claim 2 is characterized in that: described fin is that cross section is leg-of-mutton strip fin.
4. connector fitting according to claim 3 is characterized in that: described stay is fixed on the coupling nut by rivet.
5. according to arbitrary described connector fitting in the claim 1 ~ 4, it is characterized in that: described cable immobilizing structure comprises support, the front end of support is provided with the retaining thread of fixing with sleeve and uses the hole, support is fixed on the sleeve with the hole is removable by retaining thread, described cable immobilizing structure is for being fixed on two cable pressure strips that cooperatively interact of back-end support by the cable hold-down screw, described support is the strip shape body with two side planes, retaining thread is arranged on the flat anterior axis in both sides perpendicular to side plane with the hole, the rear end of support has the lug of end face perpendicular to side plane, lug has the hole that confession cable hold-down screw passes, and the axis normal in the hole that confession cable hold-down screw passes is in the end face of lug.
6. connector fitting according to claim 5, it is characterized in that: be coated with interior cover in the endoporus of described sleeve, in cover be fixed in the sleeve by its front portion, the rear end of interior cover is arranged with the clamping sleeve that the tubular gauze screen that is used for the cable outside puts in being pressed on.
7. connector fitting according to claim 6, it is characterized in that: have roof pressure step surface in described on the outer peripheral face of cover front portion towards the rear end, the step surface roof pressure that is provided with on roof pressure step surface and the sleeve endoporus cooperates, the front end face of interior cover cooperates with the endoporus step surface roof pressure of coupling nut, is provided with between the side face before the roof pressure step surface of interior cover and the mating surface of sleeve endoporus and only revolves key.
8. connector fitting according to claim 7 is characterized in that: described spline structure is by the interior end tooth that is used for cooperating with the end tooth on the connector anti-rotation that is set on the sleeve on the front end face that overlaps in being arranged on.
9. connector fitting according to claim 8 is characterized in that: described coupling nut is arranged on the sleeve by being arranged on the jump ring axial limiting that connects between sieve cap and the sleeve.
CN 201010521713 2010-10-27 2010-10-27 Connector attachment Expired - Fee Related CN101969163B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010521713 CN101969163B (en) 2010-10-27 2010-10-27 Connector attachment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010521713 CN101969163B (en) 2010-10-27 2010-10-27 Connector attachment

Publications (2)

Publication Number Publication Date
CN101969163A true CN101969163A (en) 2011-02-09
CN101969163B CN101969163B (en) 2013-06-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010521713 Expired - Fee Related CN101969163B (en) 2010-10-27 2010-10-27 Connector attachment

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Country Link
CN (1) CN101969163B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102752979A (en) * 2011-04-19 2012-10-24 英业达股份有限公司 Locked fixing structure, insulating sleeve and electronic device applying locked fixing structure
CN104934766A (en) * 2015-05-29 2015-09-23 中航光电科技股份有限公司 Connector and extruding nut thereof
CN104953342A (en) * 2014-03-28 2015-09-30 特勒格特纳卡尔·格特纳有限公司 Electric plug connector
CN110911885A (en) * 2019-12-09 2020-03-24 中航沈飞民用飞机有限责任公司 Combined connector accessory and application

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4874331A (en) * 1988-05-09 1989-10-17 Whittaker Corporation Strain relief and connector - cable assembly bearing the same
US20030085575A1 (en) * 2000-07-21 2003-05-08 Joseph Crestin Device for axially retaining a cylindrical element and more particularly a cable
CN2674691Y (en) * 2003-12-09 2005-01-26 中航光电科技股份有限公司 Connector fitting
CN2899185Y (en) * 2006-03-13 2007-05-09 南京依纳科技有限公司 Rotary radio-frequency coaxial connector
CN201859986U (en) * 2010-10-27 2011-06-08 中航光电科技股份有限公司 Connector accessory

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4874331A (en) * 1988-05-09 1989-10-17 Whittaker Corporation Strain relief and connector - cable assembly bearing the same
US20030085575A1 (en) * 2000-07-21 2003-05-08 Joseph Crestin Device for axially retaining a cylindrical element and more particularly a cable
CN2674691Y (en) * 2003-12-09 2005-01-26 中航光电科技股份有限公司 Connector fitting
CN2899185Y (en) * 2006-03-13 2007-05-09 南京依纳科技有限公司 Rotary radio-frequency coaxial connector
CN201859986U (en) * 2010-10-27 2011-06-08 中航光电科技股份有限公司 Connector accessory

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102752979A (en) * 2011-04-19 2012-10-24 英业达股份有限公司 Locked fixing structure, insulating sleeve and electronic device applying locked fixing structure
CN104953342A (en) * 2014-03-28 2015-09-30 特勒格特纳卡尔·格特纳有限公司 Electric plug connector
CN104953342B (en) * 2014-03-28 2017-11-24 特勒格特纳卡尔·格特纳有限公司 Electric plug connector
CN104934766A (en) * 2015-05-29 2015-09-23 中航光电科技股份有限公司 Connector and extruding nut thereof
CN110911885A (en) * 2019-12-09 2020-03-24 中航沈飞民用飞机有限责任公司 Combined connector accessory and application

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