CN107732481B

CN107732481B - cable connector

Info

Publication number: CN107732481B
Application number: CN201610663369.XA
Authority: CN
Inventors: 侯平; 严若明; 王官喜
Original assignee: Dongguan Molex Interconnect Co Ltd
Current assignee: Dongguan Molex Interconnect Co Ltd
Priority date: 2016-08-12
Filing date: 2016-08-12
Publication date: 2019-12-06
Anticipated expiration: 2036-08-12
Also published as: CN107732481A

Abstract

The invention discloses a cable connector, comprising: a connector including an insulated terminal housing having a plurality of terminals disposed thereon; a cable having an insulating sheath and a plurality of conductive wires contained in the insulating sheath, the plurality of conductive wires protruding from a front end portion of the insulating sheath. The cable connector further includes: the first coating module integrally coats a plurality of wires and extends backwards to coat the front end part of the insulating sheath, and the wires are arranged and embedded into the first coating module; the plurality of wires are respectively provided with conductors, and the conductors of the wires are respectively exposed out of the front end part of the first coating module and are respectively electrically connected with the corresponding terminals by utilizing the joint parts; and the second coating module coats the joint part between each lead and the terminal, and coats and is connected between the rear end part of the terminal seat body and the front end part of the first coating module.

Description

Cable connector

Technical Field

The present invention relates to a cable connector, and more particularly, to a cable connector with an improved structure.

Background

cable connectors, such as those used for multimedia signal transmission, typically have a plurality of terminals disposed in a connector body, and a wire is soldered to a tail portion of each terminal by soldering. However, the known connector structure requires time and cost for manufacturing since the wires must be manually soldered one by one, and thus product quality cannot be ensured. Simultaneously, the specification and the volume of connector are littleer and smaller, and the interval between leading two adjacent terminals in the connector body is also more and more near to the manpower welding mode will be connected terminal and wire in narrow and small space, and is very difficult, in addition, because the interval between each adjacent terminal is very narrow and small, in welding process, the solder is very easy to be in the same place with adjacent terminal overlap joint, causes the short circuit phenomenon, thereby makes the product defective rate promote.

To solve these problems, a wire-branching mount 40 is disclosed in TWM 329257. As shown in fig. 1, the wire dividing groove 41 of the wire dividing base 40 fittingly sandwiches the outer edge of the lead wires 50, and after each lead wire 50 is stably held, the insulation is removed from the front section 51 of each lead wire 50 by means of a semi-automatic pulse machine (laser) to expose the bare wire portion, and when the wire dividing base 40 is joined to the rear end of the adapting circuit board 30, the wire dividing base 40 precisely overlaps the front section 51 of each lead wire 50 on the lead wire contact 32 of the adapting circuit board 30 to perform a welding process by means of a high frequency welding machine, a laser, etc. and welds the front section 51 of each lead wire 50 to the adapting circuit board 30.

The wires 50 are pressed into the wire dividing grooves 41 of the wire dividing base 40 in a wrapping manner, but some wires 50 still have the opportunity to be separated from the wire dividing grooves 41 in the manufacturing process. Further, the wires are not completely fixed in the longitudinal direction, and the wires 50 still have a chance to move back and forth, which causes the lengths of the front ends of the wires 50 protruding out of the front end of the wire-separating base 40 to be different. As can be seen, the portion 52 of the plurality of conductors 50 between the breakout enclosure 40 and the main cable 53 is loose and thus not fully constrained, and because of this, the length of this section is longer than the entire plug because it is to be mated to breakout to mate with the breakout enclosure 40.

Disclosure of Invention

in view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a cable connector, which can form a completely covered whole between a terminal housing and a cable by means of a double-covering structure.

to achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, there is provided a cable connector including:

A connector including an insulated terminal housing having a plurality of terminals disposed thereon;

a cable having an insulating sheath and a plurality of conductive wires contained in the insulating sheath, the plurality of conductive wires protruding from a front end portion of the insulating sheath,

Wherein the cable connector further comprises:

A first covering module integrally covering the plurality of wires and extending backward to cover a front end portion of the insulating sheath, the plurality of wires being arranged and embedded in the first covering module;

The plurality of wires are respectively provided with conductors, and the conductors of the wires are respectively exposed out of the front end part of the first coating module and are respectively electrically connected with the corresponding terminals by utilizing the joint parts;

And the second coating module coats the joint part between each lead and the terminal, and coats and is connected between the rear end part of the terminal base body and the front end part of the first coating module.

According to one embodiment, the cable connector further includes a metal housing disposed around the terminal base, the metal housing includes a first engaging portion, the terminal base includes a second engaging portion, and the terminal base is engaged with the metal housing by engaging the first engaging portion with the second engaging portion.

According to one embodiment, the cable connector further includes a metal housing disposed around the terminal housing, and a rear extension portion is disposed at a rear end of the metal housing and embedded in the second cover module.

according to one embodiment, the rear extension is partially embedded in the second cladding module in a form-locking manner.

In one embodiment, each terminal has a tail portion, the engagement portion is a solder portion, and each conductor is connected to the tail portion of the corresponding terminal by the solder portion.

According to one embodiment, the rear end portion of the terminal housing includes a boss portion on which the tail portion of each terminal is located.

The invention has the beneficial effects that: the first coating module is used for arranging and integrally coating a plurality of wires and extending and coating the cable sheath, so that the effects of fixing the wires and the whole wire can be really achieved, and the length from the first coating module to the cable can be shortened. The second coating module is used for coating the welding parts of the wires and the terminals, and the second coating module is coated in front and back and connected between the terminal base body and the first coating module, so that the effects of protecting the welding parts and completely coating all areas between the terminal base body and the first coating module are achieved.

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings.

drawings

the invention is explained in detail below with reference to the drawings. In the drawings:

Fig. 1 shows a perspective view of a connector according to the prior art with a splitter and a transition circuit board;

Fig. 2 shows a cable connector according to the invention in a perspective view;

Fig. 3 shows a cable connector according to the invention in the form of a plug-type connector in a perspective view;

FIG. 4 shows a cable connector in the form of a plug connector with a second cover module according to the invention in a perspective view;

Fig. 5a shows a cable connector according to the invention in the form of a plug-type connector in a top view;

Fig. 5b shows a cable connector according to the invention in a cross-sectional view according to section line Z-Z in fig. 5 a;

Fig. 6 shows in perspective a cable connector according to the invention in the form of a socket connector;

fig. 7 shows in perspective a cable connector according to the invention in the form of a socket connector with a second cover module.

List of reference numerals:

1. 2 cable connector

10. 20 connector

30 switching circuit board

32 wire contact

40 branching seat

41 branching slot

50 wire

51 front section of wire

52 part of the conductor between the branch socket and the main cable

53 main cable

110. 210 metal shell

111. 211 first fastening part

112 rear extension

212 annular shaped formation

213 clamping device

120. 220 first coating module

121. 221 first cover module front end

130. 230 second cover module

140. 240 cable

141. 241 insulating sheath

1411. 2411 insulating sheath front end part

1420. 2420A lead

1421. 2421A wire insulation sheath

1422. 2422A lead conductor

1423 welding part

150. 250 terminal seat

151. Rear end of 251 terminal base

1511. 2511 boss part

152. 252 terminal

1521 terminal contact part

1522 terminal tail

153. 253 second engaging part

160 outer casing

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

While this invention is susceptible of embodiment in many different forms, there is shown in the drawings and will herein be described in detail several specific embodiments, with the understanding that the present description is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to the drawings illustrated herein.

Likewise, references to a feature or aspect are intended to describe a feature or aspect of an example of the invention and do not imply that every embodiment thereof must have the described feature or aspect. Further, it should be noted that the description shows a number of features. While certain features have been combined to illustrate a potential system design, other combinations not explicitly disclosed may also be employed for these features. Accordingly, the combinations are not intended to be limiting unless otherwise specified.

In the embodiments shown in the drawings, directional references such as up, down, left, right, front and rear, etc. are not absolute, but relative, and are used to explain the structure and movement of various components of the present invention. These representations are appropriate when the components are in the positions shown in the figures. However, if the description of the location of an element changes, it is believed that these representations will change accordingly.

In fig. 2 a cable connector 1 according to the invention is shown in a perspective view, as shown in the figure, the cable connector 1 generally has: a connector 10 and a cable 140, the connector 10 is provided with a metal housing 110, and a conductor in the cable 140 is mechanically and electrically connected with a terminal in the metal housing 110 to transmit a signal, thereby forming the cable connector 1. An outer shell 160 is sleeved outside the assembled cable connector 1, the outer shell 160 is integrally molded or assembled by a plurality of components, and the outer shell 160 partially covers the rear end of the metal shell 110 and the front end of the cable 140 and completely covers other components of the cable connector 1 between the metal shell 110 and the cable 140 to provide protection.

In fig. 3 and 4 a cable connector 1 according to the invention in the form of a plug-type connector is shown. As can be seen in fig. 3, the connector 10 in particular again comprises an insulated terminal housing 150, on which insulated terminal housing 150 a plurality of terminals 152 are provided, which terminals 152 are arranged side by side on a boss portion 1511 of a rear end portion (i.e. an end portion close to the cable 140) 151 of the terminal housing 150, said terminal housing 150 furthermore having second snap-engagement portions 153 in the form of snap blocks on the upper and lower sides, respectively.

The cable 140 includes an insulating sheath 141 and a plurality of conductive wires 1420 contained in the insulating sheath 141, the plurality of conductive wires 1420 extend from a distal end portion 1411 of the insulating sheath 141, and the conductive wires 1420 of the cable 140 include conductors 1422, respectively.

The cable connector 1 further includes a first cover module 120 integrally molded on the plurality of conductive wires 1420 and extending rearward to partially cover the front end 1411 of the insulating cover 141, wherein the conductors 1422 of the conductive wires 1420 are exposed from the front end 121 of the first cover module 120 and are stripped off a portion of the conductive wire insulating covers 1421, and then are mechanically and electrically connected to the corresponding terminals 152 by soldering portions, respectively, and the plurality of conductive wires 1420 are arranged and embedded in the first cover module 120. The first coating module 120 of the present invention is used for arranging and integrally coating the plurality of wires 1420 and extending to the cable sheath 141, so that the fixing of the wires and the wire arrangement can be reliably achieved, and thus the length from the first coating module 120 to the cable 140 can be shortened.

The metal shell 110 is partially enclosed outside the terminal housing 150 of the cable connector 1, the metal shell 110 has a first engaging portion 111, the first engaging portion 111 is a tab extending from the upper and lower sides of the rear end portion (i.e. the end portion close to the cable 140) of the metal shell 110 in parallel backward in this embodiment, a fastening hole is respectively provided in the tabs, the metal shell 110 is fastened to the terminal housing 150 by the fastening of the tab fastening hole to a fastening block of the terminal housing 150, the fastening block is configured as a ramp on the side facing the metal shell 110 so as to be easily fastened to the fastening hole. Furthermore, a rear extension 112 projecting in the rear direction is provided on the rear end of the metal housing 110, and the rear extension 112 is partially embedded in the second sheathing module 130 (fig. 4) in a form-fitting manner, so that a more tight and reliable connection is achieved.

Fig. 4 shows a cable connector 1 according to the invention in a perspective view, the cable connector 1 further having a second cover module 130. Here, the second cover module 130 covers and is connected between the rear end of the terminal housing 150 and the front end 121 of the first cover module 120 and completely covers the wire bonding pad of each wire 1420. The second encapsulation module 130 is used for encapsulating the wire bonding pads of the wires 1420 and encapsulating the wires back and forth and connecting to the terminal base 150 and the first encapsulation module 120, thereby achieving the effect of protecting the wire bonding pads and completely encapsulating all areas between the terminal base 150 and the first encapsulation module 120. The second cover module 130 is covered by an integral molding process, so that the terminal housing 150 and the cable 140 form a completely covered whole. The first and second sheathing modules 120 and 130 are preferably made of an insulating material, such as plastic, and are integrally formed using an injection molding method.

figures 5a and 5b show a cable connector 1 according to the invention in a top view and a cross-section respectively, wherein, fig. 5a shows the mutual positional relationship of the cable 140, the first cover module 120, the second cover module 130, the terminal housing 150 and the metal shell 110 of the cable connector 1, figure 5b shows the cable connector 1 sectioned according to section line Z-Z in figure 5a, it can be seen that the terminal 152 extends forward from the boss portion 1511 of the rear end portion 151 of the terminal holder body 150 in a corresponding accommodating portion in an embedded manner up to the front end portion of the metal shell 110, the terminal 152 is electrically contacted at its exposed end with its terminal contact portion 1521 bent downward with a corresponding plug member inserted into the cable connector 1, a bonding portion, which may be a solder 1423 applied with solder, is provided on the tail portion 1522 of the terminal 152 to be solder-connected to the conductor 1422 of the wire 1420. As can be clearly seen in fig. 5b, the metal shell 110 of the cable connector 1 according to the present invention has first engaging portions 111 on the upper and lower sides, respectively, and the terminal holder 150 has second engaging portions 153 at corresponding positions, respectively, and the first engaging portions and the second engaging portions are engaged with each other to lock the terminal holder 150 in the metal shell 110. As can be clearly seen from the figure, the first cover module 120 and the second cover module 130 can form a completely covered whole between the terminal housing 150 and the cable 140, so as to improve the reliability of the connector.

the above embodiment is described by taking the connector 10 as a plug connector as an example. In fig. 6 and 7 a cable connector 2 according to the invention in the form of a socket connector is shown in perspective view. As can be seen in fig. 6, corresponding to fig. 3, the cable connector 2 has a connector 20, the connector 20 further includes an insulative terminal housing 250, a plurality of terminals 252 are disposed on the insulative terminal housing 250, and the terminals 252 are arranged side by side on a boss portion 2511 of the rear end portion 251 of the terminal housing 250. The cable 240 has an insulating sheath 241 and a plurality of conductive wires 2420 contained inside the insulating sheath 241, the plurality of conductive wires 2420 protruding from a front end 2411 of the insulating sheath 241. The first coating module 220 integrally coats the wires 2420 and partially coats the front end 2411 of the insulating sheath 241 toward the rear, and the wires 2420 are arranged and buried in the first coating module 220. The wires 2420 of the cable 240 respectively have conductors 2422, and the conductors 2422 of each wire 2420 are respectively exposed from the front end 221 of the first covering module 220, stripped off a portion of the wire insulation 2421, and then respectively electrically connected with the corresponding terminals 252, for example, by soldering. Likewise, the first coating module 220 of the present invention is used for arranging and integrally coating the plurality of wires 2420 and extending to the cable sheath 241, so that the effect of fixing the wires and the whole wire can be achieved, and thus the length between the first coating module 220 and the cable 240 can be shortened.

preferably, for the receptacle-type connector 20, for example, two clamping devices 213, such as clamping sheets, may be respectively disposed on the upper and lower sides of the metal housing 210, if a mating plug is inserted into the receptacle-type metal housing 210, the clamping devices 213 keep the plug firmly inserted into the receptacle-type metal housing 210 and provide a grounding path therebetween, the metal housing 210 further has a first buckling portion 211 in the form of a pressing sheet, and the terminal holder 250 has a second buckling portion 253 in the form of a recessed portion, the pressing sheet and the recessed portion are buckled in a shape-locking manner, so that the terminal holder 250 is buckled in the metal housing 210; furthermore, the metal housing 210 has an annular shaped portion 212 on the rear end portion, the annular shaped portion 212 surrounding the terminal holder 250 in a form-fitting manner.

In addition, as shown in fig. 7, the cable connector 2 further has a second cover module 230, the second cover module 230 covers the welding portions of the wires 2420 and the terminals 252, and the second cover module 230 covers and is connected between the rear end portion of the terminal housing 250 and the front end portion 221 of the first cover module 220, wherein the second cover module 230 covers at least the rear end portion of the terminal housing 250. The second coating module 230 is used for coating the wire bonding pads of the wires 2420 and coating the wire bonding pads front and back and is connected to the terminal base body 250 and the first coating module 220, so as to protect the wire bonding pads and completely coat all areas between the terminal base body 250 and the first coating module 220. The second coating module is coated by integral molding, so that a completely coated whole is formed between the terminal housing 250 and the cable 240.

The foregoing embodiments and advantages are merely exemplary and are not to be construed as limiting the present invention. The description herein is intended to be illustrative, and not to limit the scope of the claims. Various alternatives, modifications, and variations will be apparent to those skilled in the art. The features, structures, methods, and other characteristics of the exemplary embodiments described herein may be combined in various ways to produce additional and/or alternative exemplary embodiments.

As the present features may be embodied in several forms without departing from the characteristics of the present invention, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, unless otherwise specified, but rather should be construed broadly within its scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A cable connector comprising:

Wherein the cable connector further comprises:

2. the cable connector of claim 1, further comprising a metal housing disposed around the terminal housing, wherein the metal housing includes a first engaging portion, the terminal housing includes a second engaging portion, and the terminal housing is engaged with the metal housing by engaging the first engaging portion with the second engaging portion.

3. The cable connector of claim 1, further comprising a metal housing disposed around the periphery of the terminal housing, wherein a rear extension is disposed at a rear end of the metal housing, and the rear extension is embedded in the second cover module.

4. the cable connector of claim 3, wherein the rear extension is partially embedded in the second cover module in a form-fitting manner.

5. The cable connector according to any one of claims 1-4, wherein each terminal has a tail portion, the engagement portion is a solder portion, and each conductor is connected to the tail portion of the corresponding terminal by the solder portion.

6. the cable connector of claim 5, wherein the rear end of the terminal housing includes a boss portion on which the tail portion of each terminal is located.