CN214505885U

CN214505885U - Wire connector and double-end wire connector

Info

Publication number: CN214505885U
Application number: CN202022874426.3U
Authority: CN
Inventors: 杨崇信
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-10-26
Anticipated expiration: 2030-12-03

Abstract

The utility model relates to an electrical connection field, concretely relates to wire connector and double-end wire connector, it is used for connecting two at least cables, and it includes: the cable connector comprises a sealing plug, a sealing shell and a tightening shell, wherein the sealing plug is provided with a through hole for a cable to penetrate through; the sealing shell is provided with an accommodating cavity and an opening communicated with the accommodating cavity, the sealing plug is connected with the accommodating cavity in a sealing manner and is exposed out of the opening, and an elastic clamping part for abutting against the sealing plug is arranged along the edge of the opening; the tightening shell is provided with a wire inlet and a wire outlet for a cable to penetrate through, one side of the sealing shell with an opening penetrates into the tightening shell from the wire outlet and is in threaded connection with the tightening shell, and the tightening shell extrudes the elastic clamping part to compress the sealing plug; wherein, tighten up the inner wall of casing and still be equipped with the arch that is used for leaning on with elasticity chucking part. Implement the utility model discloses, through protruding and the supporting water-proof effects who leans on the effect can effectual assurance connector of elasticity chucking part.

Description

Wire connector and double-end wire connector

Technical Field

The utility model relates to an electric connection field, especially a wire connector and double-end wire connector.

Background

The connector is a kind of accessory product for realizing electrical connection, and is industrially classified into the category of connectors. In order to ensure the use safety of the wire connector, the wire connector is generally subjected to waterproof treatment so as to prevent the occurrence of electric leakage accidents caused by water entering at the cable joint, and the waterproof treatment of the general wire connector is to arrange a waterproof structure or use waterproof glue to connect the seam. However, in some severe use environments, such as when the connector is applied to a cable under the ground for connection, the general waterproof mechanism is easy to loosen due to ground vibration, and the change of the temperature difference under the ground is large, so that the degradation speed of the waterproof adhesive is accelerated, and the waterproof effect of the connector is lost. Therefore, it is necessary to design a connector having a more stable waterproof effect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a connector and double-end connector, aim at solving the unstable problem of current connector water-proof effects.

The utility model provides a technical scheme that its technical problem adopted is: in a first aspect, there is provided a wire connector for connecting at least two cables, comprising: the cable connector comprises a sealing plug, a sealing shell and a tightening shell, wherein the sealing plug is provided with a through hole for a cable to penetrate through; the sealing shell is provided with an accommodating cavity and an opening communicated with the accommodating cavity, the sealing plug is connected with the accommodating cavity in a sealing manner and is exposed out of the opening, and an elastic clamping part for abutting against the sealing plug is arranged along the edge of the opening; the tightening shell is provided with a wire inlet and a wire outlet for the cable to penetrate through, one side of the sealing shell with the opening penetrates into the tightening shell from the wire outlet and is in threaded connection with the tightening shell, and the tightening shell extrudes the elastic clamping part to tightly press the sealing plug; and the inner wall of the tightening shell is also provided with a bulge which is used for abutting against the elastic clamping part.

Further, the inner wall of the tightening housing gradually shrinks towards the wire inlet to form a tightening transition area, and the protrusion is arranged in the tightening transition area; wherein, tighten up the transition zone extrusion elasticity chucking part just the arch with elasticity chucking part supports and leans on.

Furthermore, the elastic clamping part comprises at least two elastic clamping strips arranged along the edge of the opening, the elastic clamping strips extend from the edge of the opening along the outer wall of the sealing plug, and the protrusions are provided with first inclined planes used for abutting against the elastic clamping strips in the screwing direction.

Further, the elastic clamping strip is provided with a second inclined surface which is used for being in butt fit with the first inclined surface in the screwing direction.

Furthermore, the elastic clamping strip is provided with a third inclined surface parallel to the second inclined surface, and the third inclined surface is used for being abutted against the protrusion in the screwing direction.

Further, the accommodating cavity is formed with an annular blocking part protruding inwards along the circumferential direction of the inner wall of the accommodating cavity, and the annular blocking part is used for being abutted with the sealing plug.

Further, the end face of the annular blocking part abutted to the sealing plug is inclined from the inner ring to the outer ring in the direction away from the opening.

Further, the edge of the end face of the sealing plug, which is abutted to the annular blocking part, extends outwards along the circumferential direction to form a flange.

Further, the outer wall of the sealing shell extends outwards along the circumferential direction of the sealing shell to form a limiting ring, and the limiting ring is used for being abutted to the tightening shell.

In a second aspect, a double-ended electrical connector is provided, which comprises two electrical connectors as described in the first aspect, two accommodating cavities of two sealing housings are communicated, and two sealing housings are integrally formed.

The beneficial effects of the utility model reside in that, hold the chamber through the sealing plug is sealed, can make and hold intracavity portion and realize waterproofly, through setting up elasticity chucking part, when seal housing with tighten up the casing and connect, tighten up casing extrusion elasticity chucking part, can make elasticity chucking part compress tightly the sealing plug, the chucking effect through elasticity chucking part can prevent that the sealing plug from producing the space because of vibrations and holding the chamber, can promote the water-proof effects of connector. Further, through setting up the arch, make protruding and elasticity chucking portion butt, can prevent effectively that threaded connection's tightening up casing and sealed casing from loosening when the connector receives vibrations, can prevent that the sealing plug from breaking away with holding the chamber, consequently, can guarantee the water-proof effects of this connector effectively.

Drawings

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings and examples, wherein:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional view of a terminal;

FIG. 3 is a schematic side view of the tightening housing according to the present invention;

FIG. 4 is a schematic view of the structure of FIG. 2 taken along the direction C-C;

FIG. 5 is an enlarged view of I in FIG. 4;

fig. 6 is a schematic top view of the sealing case of the present invention;

fig. 7 is a schematic side view of the sealing case of the present invention;

FIG. 8 is a schematic view of the structure of FIG. 7 taken along the direction D-D;

fig. 9 is a schematic view of the overall structure of the double-ended connector.

In the figure: 1. a sealing plug; 11. a through hole; 12. a flange; 2. sealing the housing; 21. an accommodating chamber; 22. an opening; 23. an elastic clamping part; 231. an accommodating space; 232. an elastic clamping strip; 2321. a second inclined surface; 2322. a third inclined surface; 24. an annular barrier; 25. a limiting ring; 3. tightening the housing; 31. a wire inlet; 32. an outlet; 33. tightening the transition zone; 34. a protrusion; 341. a first inclined surface; 4. a wiring terminal; 5. a cable; A. the screwing direction; B. the screwing direction.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1-8, the present invention provides a wire connector, comprising: the cable tightening device comprises a sealing plug 1, a sealing shell 2 and a tightening shell 3, wherein the sealing plug 1 is provided with a through hole 11 for a cable to penetrate through; the sealing shell 2 is provided with an accommodating cavity 21 and an opening 22 communicated with the accommodating cavity 21, the sealing plug 1 is connected with the accommodating cavity 21 in a sealing way and is exposed out of the opening 22, and an elastic clamping part 23 used for pressing the sealing plug 1 is arranged along the edge of the opening 22; the elastic clamping part 23 encloses to form a containing space 231 to contain the sealing plug 1 exposed out of the opening; the tightening shell 2 is provided with a wire inlet 31 and a wire outlet 32 for the cable 5 to pass through, one side of the sealing shell 2 with the opening 22 penetrates into the tightening shell 3 from the wire outlet 32 to be in threaded connection with the tightening shell, and the tightening shell 3 extrudes the elastic clamping part 23 to tightly press the sealing plug 1; wherein, the inner wall of the tightening housing 3 is further provided with a protrusion 34 for abutting against the elastic clamping part 23.

The sealing plug 1 seals the accommodating cavity 21, so that the inside of the accommodating cavity 21 is waterproof, and in a specific embodiment, the wiring terminal 4 for connecting the cable 5 is installed in the accommodating cavity 21, so that the cable 5 is waterproof. Through setting up elasticity chucking part 23, when sealed housing 2 with tighten up housing 3 and connect, tighten up housing 3 extrusion elasticity chucking part 23, can make elasticity chucking part 23 with compress tightly sealing plug 1, the chucking effect through elasticity chucking part 23 can prevent that sealing plug 1 from producing the space because of vibrations and holding chamber 21, can promote the water-proof effects of connector.

Further, through setting up arch 34, make arch 34 and elasticity chucking part 23 butt, can effectively prevent threaded connection's sealing housing 2 and tighten up casing 3 and loosen when the connector receives vibrations, can prevent that sealing plug 1 from holding the chamber 21 and breaking away from, consequently, can guarantee the water-proof effects of this connector effectively. It will of course be appreciated that the number of projections 34 may be specifically arranged according to specific requirements.

In one embodiment, the inner wall of the tightening housing 3 is gradually contracted toward the wire inlet 31 to form a tightening transition area 33, and the protrusion 34 is disposed in the tightening transition area 33; wherein the tightening transition 33 presses the resilient clamping part 23 and the projection 34 abuts against the resilient clamping part 23. In some embodiments, the projections 34 may be provided on the inner wall of the tightening housing 3, which may make the loosening prevention effect better, but may result in a faster wear rate of the projections 34. Preferably, in the present embodiment, the protrusion 34 is disposed on the inner wall of the tightening transition area 33, and can abut against the elastic clamping portion 23 after the sealing housing 2 and the tightening housing 3 are screwed closed, so that the abrasion of the protrusion 34 when the tightening housing 3 is mounted to or removed from the sealing housing 2 can be reduced, and the service life of the protrusion 34 can be prolonged.

Furthermore, referring to fig. 2, after the cable 5 to be connected is electrically connected by the connecting terminal 4, when the connecting terminal 4 is placed in the accommodating cavity 21, the connecting operation of the cable 5 can be completed when the tightening housing 3 is tightened to be unable to be screwed, therefore, compared with the traditional connecting mode through an adhesive tape, the utility model discloses the efficiency of connecting the cable 5 can be greatly improved by the connector.

In one embodiment, referring to fig. 1 and 3-5, the resilient gripping part 23 comprises at least two resilient gripping strips 232 arranged along the edge of the opening 22, the resilient gripping strips 232 are formed extending from the edge of the opening 22 along the outer wall of the sealing plug 1, and the protrusion 34 is provided with a first inclined surface 341 for abutting the resilient gripping strips 232 in the screwing direction B. In the specific embodiment, the first inclined surface 341 is formed obliquely from the side of the protrusion 34 away from the inner wall of the tightening housing 3 toward the side of the protrusion 34 close to the inner wall of the tightening housing 3 along the screwing direction B of the seal housing 2 and the tightening housing 3. By providing the first inclined surface 341, the resistance of the protrusion 34 when rotating around the elastic clamping strip 232 can be reduced, without affecting the abutting effect between the elastic clamping strip 232 and the protrusion 34 when the tightening housing 3 is mounted on the seal housing 2, which can reduce the abrasion of the protrusion 34 and facilitate the mounting of the tightening housing 3.

In one embodiment, referring to fig. 1 and 3-6, the resilient clamping bar 232 is provided with a second inclined surface 2321 for abutting engagement with the first inclined surface 341 in the screwing direction B. In a specific embodiment, the second inclined surface 2321 is provided on a surface of the elastic clamping bar 232 that generates resistance with the protrusion 34 when the seal housing 2 and the tightening housing 3 are screwed, and the second inclined surface 2321 is inclined from inside the accommodating chamber 21 to outside the accommodating chamber 21 in the direction B in which the seal housing 2 and the tightening housing 3 are screwed. By providing the second inclined surface 2321, when the tightening housing 3 is screwed and closed with the seal housing 2, the first inclined surface 341 provided on the protrusion 34 can slide along the second inclined surface 2321, so that the tightening housing 3 and the seal housing 2 can rotate more easily.

In one embodiment, with continued reference to fig. 1 and 3-6, the resilient clamping bar 232 is provided with a third inclined surface 2322 parallel to the second inclined surface 2321, the third inclined surface 2322 being adapted to abut the projection 34 in the threading direction a. In a specific embodiment, the third inclined surface 2322 is provided on a surface of the elastic clamping bar 232 that generates resistance with the protrusion 34 when the seal housing 2 and the tightening housing 3 are screwed apart, and the third inclined surface 2322 is inclined from inside the accommodating chamber 21 to outside the accommodating chamber 21 along the screwing direction B of the seal housing 2 and the tightening housing 3. By providing the third inclined surface 2322, the third inclined surface 2322 can abut against the protrusion 34 when the tightening housing 3 is screwed off from the seal housing 2, and since the third inclined surface 2322 is an inclined surface, the protrusion 34 tends to slide along the inclined surface, and the protrusion 34 can abut against the inclined surface, which increases the force required for the protrusion 34 to slide off the inclined surface, so that the connection between the tightening housing 3 and the seal housing 2 can be more stable, and the wire connector is not easy to loosen when the wire connector is subjected to strong shock.

In one embodiment, see fig. 7-8, the receiving chamber 21 is formed with an annular stop 24 projecting circumferentially inwardly along its inner wall, the annular stop 24 being intended to abut against the sealing plug 1. In the embodiment, the sealing plug 1 can be more tightly contacted with the annular blocking portion 24 by the pressing action of the tightening transition region 33, so that the sealing performance of the accommodating cavity 21 is better, and a better waterproof effect is achieved.

In one of the embodiments, the end surface of the annular stop 24 that abuts the bore seal 1 slopes from the inner ring towards the outer ring away from the opening 22, see fig. 7-8. By implementing this embodiment, the sealing plug 1 and the annular stopper 24 can be combined more tightly, so as to enhance the waterproof effect.

In one embodiment, referring to fig. 1, the edge of the end face of the sealing plug 1 abutting the annular barrier 24 extends outwardly in its circumferential direction to form a flange 12. By implementing this embodiment, the sealing plug 1 and the annular stopper 24 can be combined more tightly, so as to enhance the waterproof effect.

In one embodiment, referring to fig. 1, the outer wall of the seal housing 2 extends outward along the circumferential direction thereof to form a stop collar 25, and the stop collar 25 is used for abutting against the tightening housing 3. In the present embodiment, the tightening housing 3 is screwed to the seal housing 2 and then abuts against the stopper ring 25, thereby preventing the tightening housing 3 and the seal housing 2 from being screwed too much. Further, the stopper ring 25 generates a certain frictional force after abutting against the tightening housing 3, and the stability of screwing the seal housing 2 and the tightening housing 3 can be enhanced.

The utility model also provides a double-end connector, see figure 9, include two connectors as above-mentioned, two of two seal housing 2 of two connectors hold chamber 21 and are linked together, and two seal housing 2 integrated into one piece. By providing this double-ended connector, two cables 5 can be connected on a straight line, and the bending of cables 5 can be reduced. Therefore, the embodiment can make the waterproof effect of the wire connector more stable, and can avoid the occurrence of the damage of the surface skin of the cable 5 caused by the bending of the cable 5. Of course, it can be understood that the two accommodating cavities 21 of the two sealed housings 2 may be communicated in a straight line, or may be communicated at a certain angle, such as a right angle, to meet different wiring requirements.

It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations should fall within the scope of the appended claims.

Claims

1. An electrical connector for connecting at least two cables, comprising:

the sealing plug is provided with a through hole for the cable to pass through;

the sealing shell is provided with an accommodating cavity and an opening communicated with the accommodating cavity, the sealing plug is connected with the accommodating cavity in a sealing manner and is exposed out of the opening, and an elastic clamping part for abutting against the sealing plug is arranged along the edge of the opening;

the tightening shell is provided with a wire inlet and a wire outlet for the cable to penetrate through, one side of the sealing shell with the opening penetrates into the tightening shell from the wire outlet and is in threaded connection with the tightening shell, and the tightening shell extrudes the elastic clamping part to compress the sealing plug; wherein the content of the first and second substances,

the inner wall of the tightening shell is also provided with a bulge which is used for abutting against the elastic clamping part.

2. The connector of claim 1, wherein: the inner wall of the tightening shell gradually shrinks towards the wire inlet to form a tightening transition area, and the bulge is arranged in the tightening transition area; wherein the content of the first and second substances,

the tightening transition area extrudes the elastic clamping part, and the bulge is abutted against the elastic clamping part.

3. The connector of claim 2, wherein: the elastic clamping part comprises at least two elastic clamping strips arranged along the edge of the opening, the elastic clamping strips extend from the edge of the opening along the outer wall of the sealing plug to form, and the protrusions are provided with first inclined planes used for abutting against the elastic clamping strips in the screwing direction.

4. The connector of claim 3, wherein: the elastic clamping strip is provided with a second inclined surface which is used for being in butt fit with the first inclined surface in the screwing direction.

5. The connector of claim 4, wherein: the elastic clamping strip is provided with a third inclined plane parallel to the second inclined plane, and the third inclined plane is used for being abutted against the bulge in the screwing direction.

6. The connector of any one of claims 1-5, wherein: the accommodating cavity is formed by an annular blocking part which is formed by inwards protruding along the circumferential direction of the inner wall of the accommodating cavity, and the annular blocking part is used for being abutted against the sealing plug.

7. The connector of claim 6, wherein: the end face of the annular blocking part abutted to the sealing plug inclines towards the outer ring from the inner ring to the direction far away from the opening.

8. The connector of claim 7, wherein: the end surface edge of the sealing plug abutted with the annular blocking part extends outwards along the circumferential direction to form a flange.

9. The connector of claim 8, wherein: the outer wall of the sealing shell extends outwards along the circumferential direction of the sealing shell to form a limiting ring, and the limiting ring is used for being abutted against the tightening shell.

10. A double-ended electrical connector, comprising: comprising two connectors according to any one of claims 1 to 9, the two accommodating chambers of the two sealing housings being in communication and the two sealing housings being integrally formed.