CN217823455U

CN217823455U - Electric connector tail assembly

Info

Publication number: CN217823455U
Application number: CN202221941501.6U
Authority: CN
Inventors: 龚炯威; 孙佳奇
Original assignee: Ningbo Hongwu Aviation Technology Co ltd
Current assignee: Ningbo Hongwu Aviation Technology Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-15
Anticipated expiration: 2032-07-26

Abstract

The utility model relates to an electric connector field discloses an electric connector afterbody subassembly, its technical scheme main points be including the casing and with casing threaded connection's cable cover, the last at least part of the body of sealing is located the casing, after the fastening of the body of sealing, make the lateral surface of the body of sealing have part and casing to offset, and form sealedly between the casing, sealing performance is good, setting through the clamping ring, the user is through rotating the cable cover, the compactness between clamping ring and the body of sealing, cable cover and the clamping ring improves, thereby make the compactness of the body of sealing and clamping ring and casing improve.

Description

Electric connector tail assembly

Technical Field

The utility model relates to an electric connector field, more specifically the utility model relates to an electric connector afterbody subassembly that says so.

Background

The electric connector comprises a plug, a socket and a tail accessory, wherein the tail accessory is used for being connected with the plug and used for fixing a cable;

the tail accessory further comprises a wire sealing body, a through hole is formed in the wire sealing body, the cable penetrates through the through hole to be welded with the welding cup of the plug, in the prior art, the through hole is in interference fit with the cable to achieve sealing, water can be prevented from entering the tail accessory and the plug, and a gap exists between the wire sealing body and the cable cover due to machining errors, so that part of water still enters the tail accessory and the plug.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an electric connector afterbody subassembly improves the leakproofness between the sealing wire body and the cable cover through the clamping ring.

In order to achieve the above purpose, the utility model provides a following technical scheme: the electric connector tail assembly comprises a shell and a cable cover in threaded connection with the shell, wherein an insulator is arranged in the shell, jacks are formed in the insulator and penetrate through two ends of the insulator, a jack piece is fixedly connected in each jack, a wire sealing body is arranged in the cable cover, at least one part of the wire sealing body is located in the shell, a pressing ring is arranged between the wire sealing body and the cable cover, the cable cover is fastened with the wire sealing body through the pressing ring, through holes corresponding to the jack pieces are formed in the wire sealing body, and the through holes penetrate through two ends of the wire sealing body.

As a further improvement, the first step has been seted up to the sealing line body lateral surface, the annular has been seted up to the clamping ring medial surface, the annular with first step offsets.

As a further improvement, the second step has been seted up to the clamping ring lateral surface, the third step has been seted up to the cable cover medial surface, the second step with the third step offsets.

As a further improvement of the utility model, a plurality of annular grooves are formed in the inner wall of the through hole.

As a further improvement of the present invention, the through hole faces the one end of the plug member.

As a further improvement, the internal thread is seted up to the cable cover medial surface, the external screw thread has been seted up to the casing lateral surface, the internal thread with external screw thread threaded connection.

As a further improvement of the present invention, the housing faces the one end of the pressing ring is provided with a plurality of triangular pieces, the pressing ring faces the one end of the housing is provided with a triangular groove corresponding to the triangular pieces.

As a further improvement of the utility model, the coating between the shell and the insulator and the jack piece has the A/B glue.

The utility model has the advantages that: the utility model discloses well casing and cable cover threaded connection, the at least part is located the casing on the sealing line body, after the fastening of the sealing line body for there is part and casing to offset in the lateral surface of the sealing line body, and form between the casing sealedly, sealing performance is good, and through the setting of clamping ring, the user is through rotating the cable cover, and the compactness between clamping ring and the sealing line body, cable cover and the clamping ring improves, thereby makes the compactness of the sealing line body and clamping ring and casing improve.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural view of the middle pressure ring of the present invention;

fig. 4 is a schematic structural view of the middle wire sealing body of the present invention;

fig. 5 is a schematic structural diagram of the middle housing of the present invention.

Reference numerals are as follows: 1. a housing; 11. a triangular piece; 2. a cable cover; 21. a third step; 3. an insulator; 31. a jack; 32. a jack member; 4. sealing the wire body; 41. a first step; 42. a through hole; 421. a groove; 422. a circular hole; 5. pressing a ring; 51. a ring groove; 52. a second step; 53. a triangular groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 5, the tail assembly of the electrical connector of the present embodiment includes a housing 1 and a cable cover 2 in threaded connection with the housing 1, an inner thread is formed on an inner side surface of the cable cover 2, an outer thread is formed on an outer side surface of the housing 1, the inner thread is in threaded connection with the outer thread, so as to facilitate the dismounting of the cable cover 2, an insulator 3 is disposed in the housing 1, an insertion hole 31 is formed in the insulator 3, the insertion hole 31 penetrates through two ends of the insulator 3, an insertion hole member 32 is fixedly connected in the insertion hole 31, one end of the insertion hole member 32 facing the wire sealing body 4 is a welding cup, the welding cup is used for welding with a cable, and the cable penetrates through a corresponding through hole 42 on the wire sealing body 4;

during installation, the cable firstly passes through the corresponding through hole 42 on the wire sealing body 4, then the cable is welded with the welding cup, and then the wire sealing body 4 is abutted against the insulator 3.

Be provided with the body of the sealing line 4 in the cable cover 2, the body of the sealing line 4 is gone up at least partially and is located casing 1, after 4 fastenings of the body of the sealing line, make 4 lateral surfaces of the body of the sealing line have part and counterbalance with casing 1, form sealedly between with casing 1, sealing performance is good, be provided with clamping ring 5 between the body of the sealing line 4 and the cable cover 2, the cable cover 2 passes through clamping ring 5 in order to fasten the body of the sealing line 4, the user is through rotating cable cover 2, make clamping ring 5 and the body of the sealing line 4, the compactness between cable cover 2 and the clamping ring 5 improves, thereby make the tightness of the body of the sealing line 4 and clamping ring 5 and casing 1 improve, the body of the sealing line 4 has elasticity, can improve the compactness more, set up the through-hole 42 that corresponds with jack piece 32 on the body of the sealing line 4, the through-hole 42 runs through the both ends of the body of the sealing line 4.

Referring to fig. 4, the wire sealing body 4 has a first step 41 on an outer surface thereof, and the pressing ring 5 has a ring groove 51 on an inner surface thereof, wherein the ring groove 51 abuts against the first step 41.

Referring to fig. 3, a second step 52 is formed on the outer side surface of the pressing ring 5, a third step 21 is formed on the inner side surface of the cable cover 2, and the second step 52 abuts against the third step 21, so that when the cable cover 2 is screwed, the pressing ring 5 can be driven by the cable cover 2 to move towards one side of the insulator 3, and therefore the wire sealing body 4 is driven to move towards one side of the insulator 3 through the first step 41 and the annular groove 51, so that the wire sealing body 4 is fastened with the insulator 3 and the shell 1, and the sealing performance is improved.

Referring to fig. 2, a plurality of annular grooves 421 are formed in the inner wall of the through hole 42, the inner diameter of each groove 421 is larger than the inner diameter of the through hole 42, the through hole 42 is in interference fit with a cable, and the grooves 421 are arranged, so that the elastic deformation capacity of the parts between the two adjacent grooves 421 is enhanced, the parts can adapt to the cable with the outer diameter larger than the inner diameter of the through hole 42, the tightness between the parts and the cable is better, and the sealing effect is better.

One end of the through hole 42 facing the jack piece 32 is provided with a round hole 422, and the inner diameter of the round hole 422 is larger than the outer diameter of the welding cup, so that the welding cup can enter the round hole 422, and the installation space is reduced.

Referring to fig. 5, one end of the housing 1 facing the pressing ring 5 is provided with a plurality of triangular pieces 11, one end of the pressing ring 5 facing the housing 1 is provided with triangular grooves 53 corresponding to the triangular pieces 11, the triangular pieces 11 are three, an included angle between two adjacent triangular pieces 11 is 120 degrees, the triangular pieces 11 and the triangular grooves 53 are arranged, so that in the process of installing the wire sealing body 4, a positioning is provided, and the triangular shape is arranged, the rotation of the wire sealing body 4 can be prevented, the rotation of the wire sealing body 4 is prevented, the cable is caused to rotate along with the rotation, and the cable is damaged.

The coating has A/B glue between casing 1 and insulator 3 and jack 31 and jack piece 32, makes the fastness between casing 1 and insulator 3, jack 31 and jack piece 32 better on the one hand, on the other hand, makes the leakproofness between casing 1 and insulator 3, jack 31 and jack piece 32 better.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.

Claims

1. An electrical connector tail assembly, comprising: including casing (1) and with casing (1) threaded connection's cable cover (2), be provided with insulator (3) in casing (1), jack (31) have been seted up in insulator (3), jack (31) run through the both ends of insulator (3), fixedly connected with jack piece (32) in jack (31), be provided with in the cable cover (2) the sealing line body (4), at least part is located on the sealing line body (4) in casing (1), the sealing line body (4) with be provided with clamping ring (5) between the cable cover (2), cable cover (2) pass through clamping ring (5) in order to fasten the sealing line body (4), set up on the sealing line body (4) with through-hole (42) that jack piece (32) correspond, through-hole (42) run through the both ends of the sealing line body (4).

2. An electrical connector tail assembly as in claim 1, wherein: the outer side surface of the wire sealing body (4) is provided with a first step (41), the inner side surface of the pressing ring (5) is provided with a ring groove (51), and the ring groove (51) is abutted to the first step (41).

3. An electrical connector tail assembly as in claim 2, wherein: the outer side surface of the pressing ring (5) is provided with a second step (52), the inner side surface of the cable cover (2) is provided with a third step (21), and the second step (52) is abutted to the third step (21).

4. An electrical connector tail assembly as in any one of claims 1 to 3, wherein: the inner wall of the through hole (42) is provided with a plurality of annular grooves (421).

5. An electrical connector tail assembly as in claim 4 wherein: one end of the through hole (42) facing the plug-in hole piece (32) is provided with a round hole (422).

6. An electrical connector tail assembly as in claim 4 wherein: the cable cover is characterized in that an internal thread is formed in the inner side face of the cable cover (2), an external thread is formed in the outer side face of the shell (1), and the internal thread is in threaded connection with the external thread.

7. An electrical connector tail assembly as in claim 4 wherein: casing (1) orientation the one end of clamping ring (5) is provided with a plurality of triangle (11), clamping ring (5) orientation the one end of casing (1) seted up with triangle groove (53) that triangle (11) correspond.

8. An electrical connector tail assembly as in claim 4 wherein: A/B glue is coated between the shell (1) and the insulator (3) and between the jack (31) and the jack piece (32).