CN1845383B

CN1845383B - Watertight connector for cables

Info

Publication number: CN1845383B
Application number: CN2006100733154A
Authority: CN
Inventors: G·古齐尼
Original assignee: YIGUQINY LIGHTING CO Ltd
Current assignee: YIGUQINY LIGHTING CO Ltd; Iguzzini Illuminazione SpA
Priority date: 2005-04-08
Filing date: 2006-04-07
Publication date: 2010-05-12
Anticipated expiration: 2026-04-07
Also published as: EP1710867B1; EP1710867A3; NO20061494L; EP1710867A2; CN1845383A; NO20061493L; ATE547827T1; ES2383195T3; ITMI20050125U1

Abstract

A watertight connector for cables comprising a casing (12, 12'), a connecting clamp (13) between the single conductors, at least one tightening ring nut (14) and at least one sealing element in a rubber material (15, 15') equipped with at least one housing (19) or channel, closed by a wall having a reduced thickness (10), which can be perforated for the passage of a single conductor.

Description

The watertight connector that is used for cable

Technical field

The present invention relates to a kind of watertight connector that is used for cable.

Background technology

In the field of embedded ground lighting apparatus, particularly for the embedded ground lighting apparatus with LED light emitting source, the size of ground cavity has been miniaturized to be fit to the size of light source.

This causes being not used in the inside of working flare the space (aspect the physical size of connector or aspect the space of setter operation) of connector.

Therefore, the LED lighting apparatus that must guarantee the miniaturization of higher degree of protection (IP) is provided with output cable.Must finish in this apparatus outside from the cable of this apparatus and service cable be connected and may with being connected of the 3rd cable that is used for straight-through wiring.

Even but adopt this means, also reduce greatly owing in such product, be used for the space of service cable, so wiring problem is still arranged.

Because even the power of these products has reduced a lot thereby has had corresponding voltage and amperage, relevant rules are not defined for the special cable of this lighting apparatus of new generation, but force the underground cable of use standard, so this problem becomes even complicated more.Therefore these cables have the external diameter of about 10mm and higher rigidity.

And, restart (relaunch) cable for what each product all should be considered service cable and be used for the cascade completed knocked down products.Because available resinate box with gelinite on market at present even may not adopted in limited especially space.

At present, by utilizing the self-coagulation adhesive tape or realizing such wiring by the exit well that manufacturing is used to collect cable.

But present solution has many defectives.

Utilize the self-coagulation adhesive tape to mean cycle long period of installation and the sizable difficulty that guarantees the higher degree of protection (IP) of wiring, this installation must be finished at the scene very carefully.

And, adopting only possibility connector cable of self-coagulation adhesive tape, the result can not realize the direct-through line wiring.

In addition, can not detect completed wiring and remove this apparatus, for example be used under the situation of not cutting cable, carrying out maintenance and interfere.

On the other hand, adopting exit well significantly to increase equipment cost and complicated more, increased the restriction of installing, also is the viewpoint from aesthetics in addition.

Summary of the invention

The purpose of this invention is to provide a kind of watertight connector that is used for cable that has solved above-mentioned technological deficiency.

Another object of the present invention provides a kind of watertight connector that is used for cable with higher degree of protection.

An also purpose of the present invention provides a kind of simple and practical especially cheaply watertight connector that is used for cable.

These purposes of the present invention realize by a kind of watertight connector that is used for cable is provided, this connector comprises the shell (12 with at least one openend, 12 '), connection folder (13) between uniconductor, the potted component (15 of at least one fastening collar nut (14) and at least one elastomeric material, 15 '), it is characterized in that, each of described at least one openend all is provided with a fastening collar nut (14) and a potted component (15,15 '), described at least one potted component (15,15 ') be equipped with at least one groove (19) or conduit, wall (10) closure that described at least one groove (19) is reduced by thickness can give this wall perforation to be used for the path of uniconductor.

Description of drawings

By the description of following illustrative and indefiniteness with reference to accompanying schematic figure, the feature and advantage that are used for the watertight connector of cable of the present invention can be more obvious.

Fig. 1 is the decomposition diagram that is used for the watertight connector of cable according to of the present invention;

Connector that Fig. 2 represents to decompose, make Fig. 1 of section according to mid-plane;

Fig. 3 is assembling and the cutaway view that is clipped in the watertight connector of the present invention on the cable;

Fig. 4 is the perspective exploded view according to second example of the watertight connector that is used for cable of the present invention.

Embodiment

With reference to figure 1, represented to be used for the watertight connector of cable, it is whole to refer to 10, and this connector comprises: shell 12, press from both sides 13 in the connection between the uniconductor, fastening collar nut 14, the potted component of making by elastomeric material 15 and can be arranged in described collar nut and described potted component between seat ring 16 or packing ring.

Preferably the shell of being made by plastic material 12 has tubularly substantially, is cylindrical shape in this example, and in bottom closure.

This shell 12 has at intake section and is used for the internal whorl that engages with the fastening collar nut 14 with threaded portion 17 and turret head 18.This fastening collar nut 14 can be the cable clip of for example known type made by metal material.

Rubber sealing element 15 as shown in Figure 1 is provided with three grooves 19 or conduit, and uniconductor 11 in use inserts in each groove, schematically shown in Figure 3.

Wall 20 closures that this groove 19 is reduced by thickness, by setter in the process of lay-up operation to the perforation of this wall or shear to be used for the path of described uniconductor 11.

Fig. 2 has represented to do according to mid-plane the described element in cross section.Particularly, come the sealing element is done the cross section according to track along the axis of one of described groove 19.

According to shown in preferred indefiniteness embodiment, described groove 19 has truncated cone shape and is used for wall 20 with respect to the closed identical projection of rubber sealing element 15.Described wall 20 in the present embodiment can for example be sheared from the outside of described potted component 15 by common the cutting at an easy rate of electric equipment.

Each groove as shown in fig. 1 (for example being three) keeps multipole service cable respectively, from the multipolar cable of product be used for of conductor of the multipolar cable (promptly being used for cable) of straight-through power supply to the subsequent product power supply.

Described shell 12 inside have reduction part 21, are used for impelling rubber seal part 15 to be out of shape when rubber seal part 15 compression during by described fastening collar nut 14, according to being schematically shown among Fig. 3.Bian Xing potted component 15 has guaranteed to insert the sealing of the outer surface of the uniconductor 11 in the groove 19 of this suitable perforation like this.

The end of the uniconductor 11 of armouring does not form mutually by described folder 13 and is electrically connected, and has a post (grain) 22 at the folder shown in Fig. 3 13 at non-clip position, and this folder also can be selected from the folder (folder that for example has several posts) of other known type.

According to another embodiment 10 ' of the watertight connector that is used for cable of the present invention as shown in Figure 4.

Shell 12 ' is for tubular substantially and have potted component 15 ' and a fastening collar nut 14 at two ends.

Pressing from both sides 13 (not shown)s is arranged in the centre position of two rubber sealing elements 15 ' and forms between from the cable 11 at the two ends of shell 12 ' and be electrically connected.

This structure is necessary in special product configurations, and is wherein very inconvenient when all cables 11 all are arranged in a side.

Sealing element 15 ' at one end comprises cylindrical shape extension 23, and this extension is used in fastening collar nut 14 interior bonds so that further be provided at the outside armouring of cable and the insulation between the fastening collar nut 14 of metal.

And potted component 15 ' as shown in Figure 4 is because have two grooves 19, so be used for providing sealing at most on two uniconductors 11.

The watertight connector that is used for cable 10 of the present invention can be equipped with the rubber sealing element of (relevant with the uniconductor quantity that will the be electrically connected) groove that has any amount.

The watertight connector that is used for cable as the object of the invention has following advantage: form " cascade wiring " not needing to make in the situation of exit well, and ought not be accomplished manually assurance in the situation is obtained high degree of protection by the user connection.

In fact advantageously guarantee this degree of protection (IP) by the clamping on the rubber sealing element part fastening by collar nut or wire clamp.

Another advantage of watertight connector for cable of the present invention is that this connector can use together with dissimilar cables (multipole or one pole cable).

Claims

1. watertight connector that is used for cable, this connector comprises the shell (12 with at least one openend, 12 '), connection folder (13) between uniconductor, the potted component (15 of at least one fastening collar nut (14) and at least one elastomeric material, 15 '), described connection folder (13) forms electrical connection between cable (11), it is characterized in that, each of described at least one openend all is provided with a fastening collar nut (14) and a potted component (15,15 '), described at least one potted component (15,15 ') be equipped with at least one groove (19), wall (20) closure that described at least one groove (19) is reduced by thickness can give this wall perforation to be used for the path of uniconductor.

2. connector as claimed in claim 1 is characterized in that: described at least one groove (19) is a truncated cone shape.

3. connector as claimed in claim 1 is characterized in that: described at least one groove (19) is outstanding with respect to described rubber sealing element (15,15 ').

4. connector as claimed in claim 1 is characterized in that: described fastening collar nut (14) has turret head (18) and is used to be fastened to threaded portion (17) on the described shell (12,12 ').

5. connector as claimed in claim 1 is characterized in that: described shell (12,12 ') internal equipment is useful on the reduction part (21) of impelling described rubber sealing element (15,15 ') distortion.

6. connector as claimed in claim 1 is characterized in that: described connector comprises seat ring (16), and this seat ring can be arranged between described fastening collar nut (14) and the described potted component (15,15 ').

7. connector as claimed in claim 1 is characterized in that: described potted component (15,15 ') at one end comprises and being used in described fastening collar nut (14) inner engaged tubular extension (23).

8. connector as claimed in claim 1 is characterized in that: described shell (12,12 ') is made by plastic material and is had tubular substantially.

9. connector as claimed in claim 1 is characterized in that: described shell (12) is in bottom closure.

10. connector as claimed in claim 1 is characterized in that: described shell (12 ') all is equipped with potted component (15,15 ') and fastening collar nut (14) at two ends.

11. connector as claimed in claim 1 is characterized in that: described groove (19) is three, and each groove is used for receiving respectively multipole service cable, from the multipolar cable of product and of conductor that is used for the multipolar cable of straight-through power supply.