TW201509017A - Plug connector and the method for making the same - Google Patents

Abstract

A plug connector includes an insulative housing, a plurality of contacts retained in the insulative housing, a shell covering the insulative housing, and cable connected with contacts. The insulative housing includes a base portion and a tongue extending forwardly from the base portion. The contact includes a base section, a connect section, and a link section. The shell is an organic whole. The shell includes a top wall, a bottom wall, two side walls connecting the top wall and the bottom wall, the lock portion connected to the top wall, and two arms connected to the side walls. The distance of the side walls is equal to the distance of the arms. The lock portion locks the cable.

Description

Plug connector and method of manufacturing same

The present invention relates to a plug connector, and more particularly to a plug connector with a cable.

With the rapid development of electronic products, plug connectors for electronic products are also widely used. For a related art, please refer to a plug connector disclosed in the Republic of China Patent Publication No. TWM312071, which comprises a casing portion and a cover portion. The housing portion has a bottom plate, two side plates extending upward from two sides of the bottom plate, and a top plate connected to the upper ends of the front half portions of the two side plates. An opening is formed in the rear half of the top portion of the housing portion. The cover portion is integrally formed and coupled to the housing portion. The cover portion can be covered by the opening. However, this manufacturing process is cumbersome and will seriously affect the efficiency of actual production.

Therefore, in view of the above technical problems, it is necessary to provide a plug connector having an improved structure to overcome the above drawbacks.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a plug connector that is easy to assemble and a method of manufacturing the same.

To achieve the above objective, the present invention adopts the following technical solution: a plug connector includes an insulating body, a conductive terminal held in the insulating body, a metal case covered on the outside of the insulating body, and a cable connected to the conductive terminal. The insulative housing includes a body portion and a tongue plate extending from the body portion. The conductive terminal includes a holding portion, a contact portion extending from the holding portion, and a connecting portion connected to the other end of the holding portion. The metal casing is integrally formed, and the metal casing comprises a top wall, a bottom wall opposite to the top wall, two opposite side walls connecting the top wall and the bottom wall, a locking portion connected to the rear end of the top wall, and two connected to each other The wing of the side wall. The spacing between the two wings is equal to the spacing between the two side walls. The latching portion snaps the cable.

Further, the wing portion and the side wall are provided with an opening, and the locking portion has a parallelogram shape.

Further, the main body portion of the insulative housing is provided with a recess formed inwardly and extending from the front to the rear, and a rear wall formed by an inner wall surface of the recess, the top wall being corresponding to the rear wall Two convex hulls arranged front and rear, the convex hull and the rear wall interference fit.

A method of manufacturing a plug connector includes the following steps:

(a) providing a conductive terminal and an insulating body, wherein the conductive terminal and the insulating body are mutually held;

(b) providing a cable, the cable and the conductive terminal are in contact with each other and electrically connected;

(c) providing a front and rear metal shell, the metal shell being integrally formed, the metal shell comprising a top wall, a bottom wall opposite the top wall, two opposite side walls connecting the top wall and the bottom wall, and a rear end connected to the top wall The locking portion and the wing portion connected to the two side walls, the locking portion is flat, the spacing between the two wings is equal to the spacing between the two side walls, and the combination of the conductive terminal, the insulating body and the cable is inserted from the back to the front Into the metal casing;

(d) bending the locking portion, the locking portion snaps the cable, and the wing portion is bent to block the rear end of the metal casing.

Further, in the step (c), the wing portion of the metal casing is connected to the side wall and the opening is provided at the joint.

Further, in the step (c), the locking portion has a parallelogram shape, and in the step (d), after the bending of the locking portion is completed, the two sides of the locking portion cooperate with each other.

Further, in the step (a), the insulative housing comprises a main body portion and a tongue plate extending forward from the main body portion. In the step (c), the metal housing is provided with a positioning convex package, after the metal housing is assembled. The positioning convex hull resists the main body portion of the insulating body.

Further, in the step (a), the insulative housing further includes a carrier receiving portion extending rearward from the main body portion, and the bearing receiving portion supports a portion of the cable that is in contact with the conductive terminal.

Further, in the step (a), the conductive terminal comprises a contact portion, a holding portion and a connecting portion, wherein the central portion of the contact portion is convex and convex, the conductive terminal and the insulating body are integrally molded and held by each other, and the middle portion of the contact portion is exposed in the air. .

Compared with the prior art, the plug connector of the present invention has at least the following advantages: since the metal shell is integrally designed, and the distance between the two wings is equal to the spacing between the two side walls before assembly, the insulating body can be directly inserted. It is installed in the metal casing and is easy to assemble, which is convenient for manufacturing.

100‧‧‧ plug connector

1‧‧‧Insulating body

11‧‧‧ Main body

111‧‧‧ Groove

112‧‧‧Back wall

12‧‧ ‧ tongue

121‧‧‧Electrical terminal receiving slot

122‧‧‧ card holder

13‧‧‧Loading and accommodating department

131‧‧‧ interval area

132‧‧‧ interval block

2‧‧‧Electrical terminals

21‧‧‧ Holding Department

211‧‧‧Anti-backup shrapnel

22‧‧‧Contacts

221‧‧ ‧ convex hull

23‧‧‧Connecting Department

3‧‧‧Metal housing

30‧‧‧ accommodating space

31‧‧‧ top wall

311, 312‧‧‧ positioning bumps

32‧‧‧ bottom wall

33‧‧‧ side wall

34‧‧‧Locking Department

35‧‧‧Support

36‧‧‧ wing

361‧‧‧ openings

4‧‧‧ Cable

The first figure is a perspective view of the plug connector of the present invention;

The second drawing is an exploded perspective view of the plug connector of the present invention;

The third figure is another perspective exploded view of the plug connector of the present invention;

The fourth figure is a flow chart for assembling the plug connector of the present invention.

Hereinafter, a specific embodiment of the plug connector 100 of the present invention will be described with reference to the first to fourth figures. The directions referred to in this specification are based on the second figure.

Referring to the first to third figures, a plug connector 100 mainly includes an insulative housing 1 , a conductive terminal 2 held in the insulative housing 1 , a metal case 3 encased in the insulative housing 1 , and a conductive terminal 2 . Electrically connected cable 4.

Referring to FIG. 2 and FIG. 3 , the insulative housing 1 is made of plastic, and includes a main body portion 11 , a tongue plate 12 extending forward from the main body portion 11 , and a load bearing formed extending rearward from the main body portion 11 . Part 13. The body portion 11 is substantially block-shaped and has a height d1. The main body portion 11 is provided with a groove 111 formed on the top surface and recessed from the front to the rear, and a rear wall 112 located at the rear end of the groove 111 to block the groove 111. The tongue 12 has a height d2. The height d2 of the tongue 12 is about half of the height d1 of the body portion. The tongue plate 12 and the main body portion 11 are matched with a plurality of conductive terminal receiving grooves 121. The conductive terminal receiving groove 121 passes through the upper surface of the tongue plate 12 and penetrates through the body portion 11 . The conductive terminal receiving groove 121 is provided with a holding hole 122 penetrating the lower surface of the insulating body 1 . The carrier accommodating portion 13 is provided with a plurality of spaced regions 131 corresponding to the conductive terminal receiving grooves 121 and a spacer block 132 for separating the spaced regions 131. The spacer region 131 and the spacer block 132 separate the respective conductive terminals 2 to prevent signal winding.

The conductive terminal 2 is stamped and formed from a metal plate, and is provided with four. The structure of the four conductive terminals 2 is substantially the same, except that the two outer conductive terminals 2 are slightly longer than the inner two conductive terminals 2, which is a USB protocol standard. For the sake of simplicity of description, only one of the conductive terminals 2 will be described here. The conductive terminal 2 includes a holding portion 21 , a contact portion 22 extending forward from the holding portion 21 , and a connecting portion 23 connected to the rear end of the holding portion 21 . The retaining portion 21 is provided with a retreating elastic piece 211 which is formed by tearing and extends forward and downward. The anti-retraction piece 211 is locked in the holding hole 122. Since the anti-retracting piece 211 is interference-fitted with the insulative housing 1, the conductive terminal 2 does not accidentally fall out of the insulative housing 1 after assembly. The contact portion 22 has an elongated shape and is stamped in the middle to form a convex hull 221 . After the assembly is completed, the conductive terminal 2 is received in the conductive terminal receiving groove 121, and the convex package 221 protrudes from the conductive terminal receiving groove 121 to engage with the terminal of the mating connector. The connecting portion 23 is connected to the cable 4, and has an arc shape in the width direction to ensure a large contact area, thereby achieving stable contact. The convex direction of the convex hull 221 of the contact portion 22 is opposite to the convex direction of the connecting portion 23. The connecting portions 23 are respectively located in the spacing area 131 and are separated by the spacing block 132.

The metal casing 3 is formed by stamping and bending a metal plate, and comprises a top wall 31, a bottom wall 32 opposite to the top wall 31, and opposite side walls 33 connecting the top wall 31 and the bottom wall 32, and connected to A locking portion 34 at the rear end of the top wall 31, a support portion 35 connected to the rear end of the bottom wall 32, and a wing portion 36 connected to the side walls 33. The accommodating space 30 is configured to receive the insulative housing 1 . The accommodating space 30 is configured to receive the insulative housing 1 . The central portion of the top wall 31 is provided with two positioning bumps 311 and 312 which are disposed in front and rear. The positioning bumps 311 and 312 are interference-fitted with the rear wall 112 of the insulative housing 1 to achieve stable holding of the insulative housing 1 and the metal housing 3 . The two opposite side walls 33 are parallel to each other. The locking portion 34 has a parallelogram shape before assembly and extends in the left-right direction. Before assembly, the wings 36 extend rearward from the rear end of the side wall 33 in the plane of the side wall 33, that is, the two wings 36 are parallel to each other and the spacing between the wings 36 is equal to the spacing between the two side walls 33. The opening of the wing portion 36 and the side wall 33 is provided with an opening 361 disposed above and below. At the time of assembly, due to the arrangement of the opening 361, the bent position of the wing portion 36 is where the opening 361 is located, and therefore, the bending process is relatively easy to implement.

Referring to the fourth figure, the manufacturing method of the plug connector 100 of the present invention is as follows:

The conductive terminal 2 and the insulative housing 1 are provided, and the conductive terminal 2 is mounted and matched with the insulative housing 1 to prevent the retractable elastic piece 211 from being locked in the locking hole 122 to achieve stable holding of the conductive terminal 2 and the insulative housing 1. The insulative housing 1 includes a main body portion 11 , a tongue plate 12 extending from the main body portion 11 and a carrier receiving portion 13 extending rearward from the main body portion 11 , the conductive terminal 2 including the contact portion 22 , the holding portion 21 and the connecting portion 23 , the contact portion 22 The central portion is convex-clad, and the conductive terminals 2 are integrally molded and held by the insulating body 1. The convex package 221 protrudes from the conductive terminal receiving groove 121 and is exposed to the air to cooperate with the terminal of the mating connector. The carrying receptacle 13 supports the cable. 4 a portion in contact with the conductive terminal 2;

Providing a cable 4, and soldering the wires of the cable 4 to the connecting portions 23 of the conductive terminals 2 to electrically connect the wires to the conductive terminals 2;

Providing a front and rear through and integrally disposed metal casing 3, the metal casing 3 includes a top wall 31, a bottom wall 32 opposite to the top wall 31, two opposite side walls 33 connecting the top wall 31 and the bottom wall 32, and a top wall The locking portion 34 of the rear end 31 and the wing portion 36 connected to the two side walls, the locking portion 34 is flat and has a parallelogram shape, and the spacing between the two wing portions 36 is equal to the spacing between the two side walls 33, the metal casing 3 The wing portion 36 is connected to the side wall 33 and has an opening 361 at the joint. The metal shell 3 is provided with positioning bumps 311 and 312. The combination of the conductive terminal 2, the insulating body 1 and the cable 4 is inserted into the metal from the back to the front. In the housing 3, the positioning bumps 311, 312 clamp the main body portion of the insulative housing. When the conductive terminal 2, the insulative housing 1 and the cable 4 are combined for the first time, they encounter an obstacle and break through the obstacle, and are electrically conductive by shaking back and forth. a combination of the terminal 2, the insulative housing 1 and the cable 4, detecting whether the assembly is in place;

The locking portion 34 of the metal casing 3 is bent, and the locking portion 34 snaps the cable 4, and the two sides of the locking portion 34 cooperate with each other to prevent the wire of the cable 4 from being connected to the connecting portion 23 of the conductive terminal 2. The opening occurs, and the wing portion 36 of the metal casing 3 is bent to block the rear end of the metal casing 3.

Since the metal casing 3 is designed in one piece, and before assembly, the spacing between the two wings 36 is equal to the spacing between the two side walls 33. Therefore, the combination of the conductive terminal 2, the insulative housing 1 and the cable 4 can be directly inserted into the housing space 30 of the metal housing 3 from the rear to the front to achieve assembly. This type of assembly is simple and convenient for mass production.

The above description is only one embodiment of the present invention, and is not all or the only embodiment. Any equivalent change taken by a person skilled in the art by reading the specification of the present invention is a patent application of the present invention. Covered by the scope.

11‧‧‧ Main body

12‧‧ ‧ tongue

13‧‧‧Loading and accommodating department

31‧‧‧ top wall

33‧‧‧ side wall

34‧‧‧Locking Department

35‧‧‧Support

36‧‧‧ wing

4‧‧‧ Cable

Claims (9)

A plug connector includes an insulative housing, a conductive terminal held in the insulating body, a metal case covered on the outside of the insulating body, and a cable connected to the conductive terminal, the insulating body including the main body portion and extending from the main body portion The conductive terminal includes a holding portion, a contact portion extending from the holding portion, and a connecting portion connected to the other end of the holding portion, wherein the metal housing is integrally formed, and the metal housing comprises a top wall, a bottom wall opposite to the top wall, two opposite side walls connecting the top wall and the bottom wall, a locking portion connected to the rear end of the top wall, and a wing portion connected to the two side walls, the spacing between the two wings is equal to two The spacing between the side walls, the locking portion snaps the cable. The plug connector of claim 1, wherein the wing portion and the side wall are provided with an opening, and the locking portion has a parallelogram shape. The plug connector of claim 2, wherein the main body portion of the insulative housing is provided with a recess formed inwardly and extending from the front to the rear, and a rear wall formed by the inner wall surface of the recess The top wall is provided with two positioning bumps disposed in front and rear corresponding to the rear wall, and the positioning protrusions interfere with the rear wall. A method of manufacturing a plug connector, comprising the steps of:
(a) providing a conductive terminal and an insulating body, wherein the conductive terminal and the insulating body are mutually held;
(b) providing a cable, the cable and the conductive terminal are in contact with each other and electrically connected;
(c) providing a front and rear metal shell, the metal shell being integrally formed, the metal shell comprising a top wall, a bottom wall opposite the top wall, two opposite side walls connecting the top wall and the bottom wall, and a rear end connected to the top wall The locking portion and the wing portion connected to the two side walls, the locking portion is flat, the spacing between the two wings is equal to the spacing between the two side walls, and the combination of the conductive terminal, the insulating body and the cable is inserted from the back to the front Into the metal casing;
(d) bending the locking portion, the locking portion snaps the cable, and the wing portion is bent to block the rear end of the metal casing. The method of manufacturing a plug connector according to claim 4, wherein in the step (c), the wing portion of the metal casing is connected to the side wall and the opening is provided at the joint. The method for manufacturing a plug connector according to claim 4, wherein in the step (c), the locking portion has a parallelogram shape, and in the step (d), after the bending of the locking portion is completed, the locking portion is The sides are matched to each other. The method of manufacturing a plug connector according to claim 4, wherein in the step (a), the insulative housing comprises a main body portion and a tongue plate extending forward from the main body portion, and in the step (c), the metal housing Positioning bumps are provided, and after the metal shell is assembled, the positioning bumps abut against the body portion of the insulative housing. The method of manufacturing a plug connector according to any one of claims 4 to 7, wherein in the step (a), the insulative housing further comprises a carrier receiving portion extending rearward from the main body portion, and the bearing receiving portion supporting line The portion of the cable that is in contact with the conductive terminals. The method of manufacturing a plug connector according to any one of claims 4 to 7, wherein in the step (a), the conductive terminal comprises a contact portion, a holding portion and a connecting portion, and the central portion of the contact portion is convex The conductive terminal and the insulating body are integrally molded and held by each other, and the middle portion of the contact portion is exposed to the air.