CN218300449U

CN218300449U - Connector for cable

Info

Publication number: CN218300449U
Application number: CN202222406220.7U
Authority: CN
Inventors: 吴祝平; 吴永发; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2022-09-12
Filing date: 2022-09-12
Publication date: 2023-01-13
Anticipated expiration: 2032-09-12

Abstract

The utility model provides a connector for cable, include insulator and accept in a plurality of binding post in insulator, insulator is equipped with a butt joint face, an installation face, a preceding end wall, a back end wall and forms a plurality of holding tanks between preceding end wall and back end wall, binding post accept in the holding tank, set up a plurality of card line mouths of card holding the cable on the back end wall, a plurality of card line mouths with a plurality of holding tank one-to-ones set up, and be formed with a spacing portion that is the T type between two adjacent card line mouths in order to be spacing in card line mouth with the cable. Compared with the prior art, the utility model discloses an improve insulator's structure, utilize the card line mouth card on the rear end wall to hold the cable, make the more firm card of cable on insulator, be difficult for receiving external force and take place to rock to make the relation of connection between binding post and the cable more reliable and more stable.

Description

Connector for cable

Technical Field

The utility model relates to an electric connection field especially relates to a connector for cable.

Background

The cable connector is a common one of the electrical connectors, and is mainly used for connecting cables, and the application range is very wide. One of the cable connectors is a Wire To Board (WTB) connector, which is widely used in consumer electronics products such as notebook computers, tablet computers, and mobile phones, and is mainly used for connecting a cable To a circuit Board. A common wire-to-board connector generally involves a board-end connector and a cable-end connector, the board-end connector is fixed on the circuit board, and the cable-end connector is connected to a cable and used for electrically plugging with the board-end connector, thereby achieving electrical connection between the cable and the circuit board. The existing cable end connector or cable connector comprises an insulating body, a wiring terminal contained in the insulating body and a cable connected with the wiring terminal, wherein one end of the wiring terminal is connected with the cable, the other end of the wiring terminal is connected with a board end connector in an inserting mode, the wiring terminal and the cable are connected in a common connecting mode through welding, namely, a cable core of the cable is directly welded on the wiring terminal, and the wiring terminal and the cable are fixedly welded to achieve a connection relation. However, in some application scenarios, the cable often shakes or even falls off due to external force, which may cause the connection relationship with the connection terminal to be damaged or cause poor contact between the connection terminal and the connection terminal, and therefore, the design of the connector needs to be optimized to make the installation of the cable more stable and reliable.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a connector for cable to improve among the prior art cable because of rocking and the not good problem of binding post contact.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a connector for cable, includes insulator and accepts in a plurality of binding post of insulator, insulator is equipped with a butt joint face, an installation face, a front end wall, a rear end wall and forms a plurality of holding tanks between front end wall and rear end wall, binding post accept in the holding tank, set up a plurality of card line mouths of card cable on the rear end wall, a plurality of card line mouths with a plurality of holding tank one-to-one sets up, and be formed with a spacing portion that is the T type between two adjacent card line mouths in order to be spacing in card line mouth with the cable.

Furthermore, protruding portions protruding into the wire clamping port are arranged on two sides of the limiting portion, and the protruding portions are provided with guide surfaces extending towards the wire clamping port in an inclined mode.

Furthermore, the protruding portion clamps the cable in the cable clamping opening, and a slit extending obliquely is formed in the inner side of the protruding portion.

Furthermore, the wire clamping port penetrates through the mounting surface, the opening of the wire clamping port faces back to the butting surface, and the wiring terminal protrudes outwards from the accommodating groove to extend out of the butting surface.

Furthermore, the wiring terminal is provided with a front end fixing part and a rear end fixing part, the front end fixing part and the rear end fixing part are respectively provided with a front opening and a rear opening for clamping the cable, and the front opening, the rear opening and the cable clamping port are aligned in the front-rear direction.

Furthermore, the front end fixing part of the wiring terminal is provided with a pair of inverted U-shaped fixing arms, the front opening is arranged between the pair of inverted U-shaped fixing arms, and the front opening, the rear opening and the cable are connected in an insulation piercing manner.

Furthermore, the connecting terminal is also provided with a connecting part for connecting the front end fixing part and the rear end fixing part and a contact arm obliquely extending out of the front end fixing part, and the contact arm obliquely extends towards the butt joint surface and protrudes out of the butt joint surface.

Furthermore, a partition wall is arranged between every two adjacent accommodating grooves, the partition wall extends in the front-back direction, the front end of the partition wall is integrally connected with the front end wall, and the rear end of the partition wall is disconnected from the rear end wall.

Furthermore, a plurality of clamping parts protruding into the accommodating groove are formed on the partition wall, and clamping grooves for clamping the front end fixing part and the rear end fixing part are formed between the clamping parts.

Furthermore, the clamping grooves comprise a front groove for clamping the front end fixing part and a rear groove for clamping the rear end fixing part, and the front groove and the rear groove are distributed along the front-rear direction.

Compared with the prior art, the utility model discloses an improve insulator's structure, utilize the card line mouth card on the rear end wall to hold the cable, make the more firm card of cable on insulator, be difficult for receiving external force and take place to rock to make the relation of connection between binding post and the cable more reliable and more stable.

Drawings

Fig. 1 is a perspective view of the connector for cables according to the present invention with the mating surface facing upward.

Fig. 2 is a perspective view of the connector for cables according to the present invention with the mating surface facing downward.

Fig. 3 is an exploded view of the connector for cable according to the present invention.

Fig. 4 is a perspective view of the connection terminal of the connector for cable according to the present invention.

Fig. 5 is a front view of the rear end wall of the connector for cables according to the present invention.

Detailed Description

Referring to fig. 1 to 5, the present invention provides a connector 100 for cables, including an insulating housing 10 and a plurality of connecting terminals 20 housed in the insulating housing 10, wherein the insulating housing 10 and the connecting terminals 20 are fixed by being clamped, and one end of the connecting terminals 20 is used for connecting and fixing a plurality of cables 200.

As shown in fig. 1 and 2, the insulative housing 10 has a mating surface 11, a mounting surface 12, a pair of side wall surfaces 13 between the mating surface 11 and the mounting surface 12, and a front end wall 14 and a rear end wall 15 connecting the pair of side wall surfaces 13, wherein the mating surface 11 is used for mating with a mating component (not shown), preferably a circuit board 300, the mating surface 11 is disposed parallel to the surface of the circuit board 300, and the mounting surface 12 is used for mounting and fixing the cable 200. Specifically, the mating surface 11 is provided with a plurality of slots 110 arranged in a straight line and a pair of through holes 111 located outside the slots 110, the slots 110 are used for accommodating the terminals 20, and the slots 110 penetrate through the mating surface 11 and the mounting surface 12 in the vertical direction. The mounting surface 12 is formed with a plurality of holding grooves 120 for holding and mounting the plurality of connecting terminals 20, a partition wall 121 is disposed between two adjacent holding grooves 120, the partition wall 121 is used for separating and isolating each connecting terminal 20, the partition wall 121 extends along the front-back direction, the front end of the partition wall 121 is integrally connected with the front end wall 14, the rear end of the partition wall 121 is disconnected from the rear end wall 15, meanwhile, the partition wall 121 is further provided with a plurality of clamping portions 122 protruding into the holding grooves 120, so that each holding groove 120 is provided with a plurality of clamping portions 122, and clamping grooves 123 are formed between the clamping portions 122 and used for clamping and fixing the connecting terminals 20, wherein the clamping grooves 123 include front grooves 123A and rear grooves 123B (see fig. 3) distributed along the front-back direction and used for clamping different parts of the connecting terminals 20, so that the connecting terminals 20 can be stably and reliably held in the holding grooves 120. The front end wall 14 and the rear end wall 15 are respectively located at the front end and the rear end of the accommodating groove 120, wherein a plurality of wire clamping ports 150 are formed on the rear end wall 15, the plurality of wire clamping ports 150 are arranged in a front-back one-to-one correspondence with the plurality of accommodating grooves 120 and are used for clamping the cable 200 to prevent the cable 200 from loosening and pulling the wiring terminal 20, the wire clamping ports 150 penetrate through the mounting surface 12 upwards to facilitate the clamping of the cable into the wire clamping ports 150 from the mounting surface 12, a T-shaped limiting portion 151 is arranged between every two adjacent wire clamping ports 150, protruding portions 152 protruding into the wire clamping ports 150 are arranged at two sides of the limiting portion 151, and the protruding portions 152 are used for downwards clamping the cable 200 in the wire clamping ports 150, prevent that cable 200 from breaking away from out card line mouth 150, just protruding portion 152 still is equipped with a guide surface 153 towards card line mouth 150 internal slope extension to guide cable 200 card to get into in card line mouth 150, it is worth mentioning that in the preferred embodiment of the utility model, as shown in fig. 5, protruding portion 152 inboard of spacing portion 151 both sides still is equipped with a slot 154 that inclines to extend, makes protruding portion 152 have certain toughness or deformability, when cable 200 card goes into card line mouth 150, protruding portion 152 can receive the compressive deformation in order to make things convenient for the entering card line mouth 150 of cable 200 in, and after the card line mouth 150 is gone into to the cable card, protruding portion 152 can provide better clamping-force, makes the more firm card of cable 200 hold in card line mouth 150.

Referring to fig. 4, the connection terminal 20 is an integral punch-formed structure, and is provided with a front end fixing portion 21, a rear end fixing portion 22, a contact arm 23 extending from the front end fixing portion 21, and a connecting portion 24 connecting the front end fixing portion 21 and the rear end fixing portion 22, wherein the front end fixing portion 21 is provided with a pair of inverted U-shaped fixing arms 25 and a front opening 26 between the pair of inverted U-shaped fixing arms 25, the rear end fixing portion 22 is shaped like a flat plate and is provided with a rear opening 27 corresponding to the front and rear of the front opening 26, the front opening 26 and the rear opening 27 are used for holding the cable 200, and the front opening 26 and the rear opening 27 pierce through an insulating layer of the cable 200 to contact with a core of the cable 200, so as to achieve electrical contact between the connection terminal 20 and the cable 200. The engagement portion 24 is integrally connected to the front end fixing portion 21 and the rear end fixing portion 22. It should be noted that the front end fixing portion 21 is clamped in the front groove 123A of the clamping groove 123, and the rear end fixing portion 22 is clamped in the rear groove 123B of the clamping groove 123, so that two sides of the connection terminal 20 are limited on the partition wall 121, and thus the fixing and limiting with the insulation body 10 are realized, and the widths of the front end fixing portion 21 and the rear end fixing portion 22 are both wider than the width of the contact arm 23. The contact arm 23 extends obliquely from the front end fixing portion 21 toward the mating face 11, and the contact arm 23 protrudes out of the mating face 11 of the insulating housing 10 for contacting with the circuit board 300, preferably, the contact arm 23 has an arc-shaped contact end 230 protruding out of the slot 110 on the mating face 11 for being pressed against the surface of the circuit board 300 to achieve pressing contact with the surface of the circuit board 300.

Preferably, the cable 200 is connected to the connection terminal 20 in a clamping manner, the cable 200 is clamped to the front end fixing portion 21 and the rear end fixing portion 22 of the connection terminal 20 to realize insulation piercing connection, and then is assembled into the insulation body 10 to clamp the connection terminal 20 in the accommodating groove 120, and the cable 200 is clamped in the wire clamping opening 150 to realize fixation, thereby completing the assembly. Of course, the connection terminal 20 can also be assembled into the insulation body 10 first, and then the cable 200 is clamped into the connection terminal 20 and the insulation body 10, and the assembly can be completed similarly, which is not limited by the present invention.

To sum up, the utility model discloses an improve binding post 20's structure, utilize front end fixed part 21 and rear end fixed part 22 insulation to puncture and the card is held cable 200, realize the fixed connection with the cable, removed binding post 20 and cable 200's welding process from, more be favorable to reduce cost and simplified process, and the relation of connection between cable 200 and binding post 20 is also more reliable and more stable. Meanwhile, by improving the structure of the insulating body 10, the cable 200 is clamped by the cable clamping opening 150 on the rear end wall 15, so that the cable 200 is clamped on the insulating body 10 more stably and is not easy to shake due to external force, and the connection relationship between the wiring terminal 20 and the cable 200 is more stable and reliable.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art will be able to make many possible variations and modifications to the technical solution of the present invention without departing from the technical solution of the present invention, and the technical solution of the present invention disclosed above is covered by the claims.

Claims

1. The utility model provides a connector for cable, includes insulator and accepts a plurality of binding post in insulator, insulator is equipped with a butt joint face, an installation face, a front end wall, a rear end wall and forms a plurality of holding tanks between front end wall and rear end wall, binding post accept in the holding tank, its characterized in that: the rear end wall is provided with a plurality of wire clamping ports for clamping the cable, the wire clamping ports and the accommodating grooves are arranged in a one-to-one correspondence mode, and a T-shaped limiting portion is formed between every two adjacent wire clamping ports to limit the cable in the wire clamping ports.

2. A connector for cables according to claim 1, wherein: the both sides of spacing portion are equipped with the protruding portion of stretching into the intraoral protruding portion of card thread, just protruding portion is equipped with a guide surface that inclines to extend towards the intraoral slope of card thread.

3. The connector for cables according to claim 2, characterized in that: the convex stretching part clamps the cable in the cable clamping port, and the inner side of the convex stretching part is provided with a slit which extends obliquely.

4. A connector for cables according to claim 3, wherein: the wire clamping port penetrates through the mounting surface, the opening of the wire clamping port faces back to the butt joint surface, and the wiring terminal protrudes outwards from the accommodating groove to extend out of the butt joint surface.

5. The connector for cables as set forth in any one of claims 1 to 4, wherein: the wiring terminal is provided with a front end fixing part and a rear end fixing part, the front end fixing part and the rear end fixing part are respectively provided with a front opening and a rear opening for clamping a cable, and the front opening, the rear opening and the cable clamping port are aligned in the front-rear direction.

6. The connector for cables according to claim 5, wherein: the front end fixing part of the wiring terminal is provided with a pair of inverted U-shaped fixing arms, the front opening is arranged between the pair of inverted U-shaped fixing arms, and the front opening, the rear opening and the cable are connected in an insulation penetrating mode.

7. The connector for cables as set forth in claim 6, wherein: the wiring terminal is also provided with a linking part for linking the front end fixing part and the rear end fixing part and a contact arm obliquely extending out of the front end fixing part, and the contact arm obliquely extends towards the butt joint surface and protrudes out of the butt joint surface.

8. The connector for cables according to claim 7, wherein: a partition wall is arranged between two adjacent holding tanks, the partition wall extends along the front-back direction, the front end of the partition wall is integrally connected with the front end wall, and the rear end of the partition wall is disconnected from the rear end wall.

9. The connector for cables according to claim 8, wherein: the partition wall is provided with a plurality of clamping parts which protrude into the accommodating groove, and clamping grooves for clamping the front end fixing part and the rear end fixing part are formed between the clamping parts.

10. The connector for cables according to claim 9, wherein: the clamping grooves comprise a front groove for clamping the front end fixing part and a rear groove for clamping the rear end fixing part, and the front groove and the rear groove are distributed in the front-rear direction.