TWI635661B - Connector and making method of the same - Google Patents

Abstract

A connector and a manufacturing method thereof, the connector includes a conductive housing and a terminal module, the conductive housing is provided with an abutting portion, and the abutting portion is provided with a receiving cavity, two abutting walls and a front wall, the terminal The module includes a conductive terminal, the docking portion is provided with an opening communicating with the receiving cavity, the conductive terminal is provided with a contact portion protruding into the opening, and the connector is further provided with an injection molding a plastic body that protrudes into the opening in the receiving cavity, the contact portion of the conductive terminal is exposed to the outside of the plastic body, the opening penetrates the front wall forward, and the plastic body is simultaneously molded and formed on the front side On the wall.

Description

Connector and method of manufacturing same

The present invention relates to a connector and a method of manufacturing the same, and more particularly to a connector that can be mated with a mating connector and a method of manufacturing the same.

For prior art, please refer to the Taiwanese patent TWM478940, published on May 21, 2014, or the US Pat. No. 8,461,465 B2, issued on Jun. 11, 2013, which discloses a connector that can be mated with a mating connector. . The connectors each include a conductive housing, a terminal module disposed in the conductive housing, and a plastic body that is molded into the conductive housing. The conductive housing can be in contact with the metal housing on the mating connector and can be electrically conductive to achieve a good antistatic function, including an abutting portion extending in the front-rear direction, and the mating portion is provided with a receiving and including a conductive terminal. a receiving cavity of the terminal module, a butting wall covering the upper and lower sides of the receiving cavity, a side wall covering the left and right sides of the receiving cavity, and a front wall covering the front of the receiving cavity, and the connecting wall is connected with the receiving cavity The opening of the conductive terminal protrudes into the opening to form an electrical connection with the mating terminal on the mating connector. The plastic body is injection molded into the opening to better secure the conductive terminals in the conductive housing.

However, since the abutting portion of the conductive housing has a conductive function, when the connector is mated with the corresponding mating connector, the mating terminal on the mating connector easily contacts the conductive housing on the connector and generates electricity. Sexual conduction means that the mating terminal on the mating connector may be electrically connected to the conductive housing before the mating terminal of the connector is electrically connected to the conductive terminal, thereby easily causing a short circuit.

Therefore, it is indeed necessary to provide a connector having an improved structure and a method of manufacturing the same to overcome the above drawbacks.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a connector and a method of manufacturing the same that can effectively prevent a short circuit from occurring when docked with a mating connector.

In order to solve the foregoing technical problem, the present invention may adopt the following technical solution: a connector comprising a conductive housing and a terminal module disposed in the conductive housing, the conductive housing being provided with an abutting portion extending in a front-rear direction, The docking portion is provided with a receiving cavity for receiving the terminal module, two abutting walls covering the upper and lower sides of the receiving cavity, and a front wall covering the front of the receiving cavity, and the terminal module includes a conductive terminal. The abutting portion is provided with a pair of openings respectively penetrating the two abutting walls and communicating with the receiving cavity, the conductive terminal is provided with a contact portion protruding into the opening, and the connector is further provided with an injection a plastic body formed in the receiving cavity and protruding into the opening, a contact portion of the conductive terminal is exposed to the outside of the plastic body, the opening penetrates the front wall forward, and the plastic body is simultaneously emitted Formed on the upper and lower sides of the front wall.

In order to solve the foregoing technical problem, the present invention may also adopt the following technical solution: a connector comprising a conductive housing and at least one row of conductive terminals disposed in the conductive housing; the conductive housing being provided with an abutting portion extending in the front-rear direction The abutting portion is provided with an abutting wall on at least one side of the up-and-down direction, a front wall is disposed in front of the abutting portion, and the abutting portion is provided with an opening penetrating the abutting wall; the conductive terminal is provided with a protrusion a contact portion in the opening; the connector is further provided with a plastic body that is injection molded into the opening, and a contact portion of the conductive terminal is exposed to the outside of the plastic body, wherein the opening penetrates forward In the front wall, the plastic body is simultaneously injection molded on one side of the front wall in the up and down direction.

In order to solve the foregoing technical problem, the present invention may also adopt the following technical solution: a method for manufacturing a connector, comprising the steps of: providing a conductive housing, the conductive housing being provided along the front and rear And an abutting portion, wherein the abutting portion is provided with a receiving cavity, two abutting walls covering the upper and lower sides of the receiving cavity, and a front wall covering the front of the receiving cavity, wherein the butting portion is provided with a pair of respectively An opening extending through the two abutting walls and communicating with the receiving cavity, the opening simultaneously penetrating the front wall; providing a conductive terminal, forming a molded insulating block on the conductive terminal to form a terminal module, The terminal module is assembled in the receiving cavity, the conductive terminal is provided with a contact portion protruding into the opening; the molded plastic body is injected into the receiving cavity and the plastic body is exposed to the opening The plastic body is simultaneously injection molded on the upper and lower sides of the front wall, and the contact portion of the conductive terminal is exposed to the outside of the plastic body.

Compared with the prior art, the present invention has the following effects: the plastic body of the present invention is simultaneously injection molded on the front wall, and when the connector of the present invention is connected with the mating connector, the mating terminal on the mating connector does not touch. The conductive housing is touched, thereby preventing the butt terminal on the mating connector from electrically conducting with each other and causing a short circuit.

100‧‧‧Connector

1‧‧‧Electrical housing

11‧‧‧ Main body

12‧‧‧Docking Department

121‧‧‧Docking wall

122‧‧‧ side wall

123‧‧‧ front wall

124‧‧‧ Groove

125‧‧‧ rear end face

13‧‧‧ containment chamber

14‧‧‧ openings

2‧‧‧Terminal module

21‧‧‧Electrical terminals

211‧‧‧Contacts

212‧‧‧Connecting Department

213‧‧‧ tail

22‧‧‧Insulation block

23‧‧‧ slot

24‧‧‧Bumps

3‧‧‧Metal partition

31‧‧‧ ribs

32‧‧‧Channel

33‧‧‧ slotting

34‧‧‧Flexible arm

4‧‧‧ plastic body

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

The second figure is another perspective view of the connector shown in the first figure.

The third figure is a cross-sectional view taken along line III-III of the connector shown in the first figure.

The fourth figure is a perspective view of the plastic body of the connector shown in the first figure.

Figure 5 is a cross-sectional view taken along line V-V of the connector shown in the fourth figure.

The sixth figure is a partially exploded view of the connector shown in the first figure.

The seventh figure is another perspective view of the exploded view shown in the sixth figure.

Referring to the first, second, sixth and seventh figures, the connector 100 of the present invention can be connected with a corresponding mating connector (not shown). The connector 100 of the present invention can be a plug connector. It can also be a socket connector. The direction in which the connector 100 is mated with the mating connector is defined as the front-rear direction. It should be noted that the connector 100 of the present invention may be in any form of placement or installation, as it may be horizontally set and vertical. Various forms such as straight setting or tilt setting are described here, and only the manner in which the connector 100 is horizontally disposed will be described as an example.

The connector 100 of the present invention comprises a conductive housing 1 , a terminal module 2 disposed in the conductive housing 1 , a metal separator 3 disposed between the terminal modules 2 , and a plastic body 4 molded on the conductive housing 1 . .

Please refer to the third to seventh figures together. The conductive housing 1 can be a shell made of pure metal material. If it is formed by stamping stainless steel, it can also be formed by coating a plastic material with a metal material. The housing in turn acts as a conductor. The conductive housing 1 includes a main body portion 11 and an abutting portion 12 projecting forward from the front end surface of the main body portion 11. The abutting portion 12 is formed to extend in the front-rear direction and is disposed in a longitudinally long structure in the left-right direction. In addition, the conductive housing 1 includes a receiving cavity 13 that is recessed from the rear direction abutting portion 12 of the main body portion 11. The abutting portion 12 includes a mating wall 121 covering the upper and lower sides of the receiving cavity 13 , two side walls 122 covering the left and right sides of the receiving cavity 13 , and a front wall 123 covering the front of the receiving cavity 13 . The abutting portion 12 is provided with a pair of openings 14 respectively penetrating the two abutting walls 121 and communicating with the receiving cavity 13, and the opening 14 simultaneously penetrates the upper and lower sides of the front wall 13 at the same time. Therefore, each of the openings 14 penetrates the outside from the upper side or the lower side of the corresponding side wall 122, and also penetrates the outside forward. The upper and lower sides of the front wall 123 are further provided with a pair of recesses 124 recessed rearward from the front surface and communicating with the opening 14. The recesses 124 extend in the left-right direction, that is, from the cross-sectional view shown in the third figure. The front wall 123 forms a "convex"-shaped structure with a narrow front and a back width, thereby reinforcing the structural strength of the front wall 123. In the present embodiment, the rear end surface 125 of the recess 124 is obliquely disposed. Of course, the rear end surface 125 can also be arranged vertically.

Referring to FIG. 5 to FIG. 7 together, the terminal module 2 is two vertically disposed, each terminal module 2 includes a row of conductive terminals 21 and an insulating block that is formed on the conductive terminals 21 . 22, thereby better fixing the row of conductive terminals 21 together, the insulating block 22 is formed of a plastic material, which may be LCP (Liquid Crystal Polymer) engineering plastic, PA (Polyamide, polyamide) Various materials such as fiber). The terminal module 2 is assembled forward from the rear of the main body portion 11 into the receiving cavity 13 . The conductive terminal 21 includes a contact portion 211 protruding into the opening 14 in the direction of the abutting wall 121 , and a tail portion 213 extending backward from the conductive housing 1 and The connecting portion 212 of the contact portion 211 and the tail portion 213 is connected, and the insulating block 22 is injection molded on the connecting portion 212. In other embodiments of the present invention, an insulating block may be directly formed on the two rows of conductive terminals 21 to form a terminal module. Alternatively, the terminal module 2 may not be provided with the insulating block 22, but only the conductive terminal 21.

The metal baffle 3 is assembled from the rear to the front into the receiving cavity 13 and disposed between the two terminal modules 2, and each side surface of the metal baffle 3 is provided with convex ribs 31 and inwardly The recessed channel 32 cooperates with the slot 23 and the bump 24 formed on the terminal module 2 to form a good positioning fit between the metal spacer 3 and the two terminal modules 2. The front end of the metal baffle 3 is provided with a pair of slots 33 corresponding to the ribs 31 and the channels 32. The front end of the metal baffle 3 is abutted on the front wall 123, and the front end of the metal baffle 3 is provided with Q324. There are elastic arms 34 protruding obliquely to the left and right, respectively, and the elastic arms 34 are abutted on the two side walls 122 of the conductive housing 1, so that a good electrical conduction between the metal separator 3 and the conductive housing 1 is formed. . The metal separator 3 is located between the upper and lower terminal modules 2, and the two terminal modules 2 can be well positioned to facilitate the injection molding of the subsequent plastic body 4; and the metal separator 3 carries the upper and lower rows of the conductive terminals 21 Isolating the mask to prevent signal crosstalk between the upper and lower rows of conductive terminals 21; at the same time, the metal separator 3 and the conductive housing 1 are electrically connected to discharge static electricity thereon through the conductive housing 1. Therefore, it also has a good antistatic effect.

Referring to FIG. 4 and FIG. 5 together, the terminal module 2 and the metal separator 3 of the present invention are assembled into the receiving cavity 13 . At this time, the contact portion 211 of the conductive terminal 21 protrudes into the corresponding opening 14 from the upper and lower sides, and the connecting portion 212 extends in the receiving cavity 13 in the front-rear direction. The first to third figures show a schematic view of the plastic body 4 after being molded into the receiving cavity 13 of the conductive housing 1. The plastic material is poured from the rear direction receiving cavity 13 of the main body portion 11 and finally forms the plastic body 4. The plastic body 4 protrudes into the opening 14. The contact portion 211 of the conductive terminal 21 is exposed to the outside of the plastic body 4 and can be matched with the mating terminal on the mating connector. The outer surface 41 of the plastic body 4 and the corresponding contact portion The outer surface of the 211 and the outer surface of the abutting wall 121 are flush; and since the opening 14 extends forwardly through the upper and lower sides of the front wall 123, the plastic body 4 enters the opening 14 and is further injected and formed on the upper and lower sides of the front wall 123. As shown in the third figure, the plastic body 4 is further formed in the groove 124 on the front wall 123. The arrangement of the groove 124 not only ensures that the plastic body 4 is formed on the upper and lower sides of the front wall 123 as much as possible, and the concave portion is provided at the same time. After the groove 124, the front wall 123 forms a "convex"-shaped structure with a narrow front and a back width, which prevents the front wall 123 from being broken due to insufficient strength, thereby reinforcing the structural strength of the front wall 123. Since the plastic body 4 of the present invention is simultaneously molded on the upper and lower sides of the front wall 123, when the connector 100 of the present invention is mated with the mating connector, the mating terminal on the mating connector does not touch the conductive housing 1 The front wall 123 or the butting wall 121 prevents the butt terminal on the mating connector from electrically conducting with the conductive housing 1 to cause a short circuit. The front surface of the front wall 123 is exposed at the front end of the abutting portion 12 and flush with the front surface of the plastic body 4, so that the front surface of the front wall 123 can abut against the metal dome on the mating connector to generate electrical contact, thereby having Very good anti-static effect.

In other embodiments, the terminal module 2 can also be provided with only one row of conductive terminals 21 . At this time, the conductive housing 1 is provided with an opening 14 only on one side of the butting wall 121 for the contact portion 211 of the conductive terminal 21 to be convex. Stretch out, no longer repeat them here.

Referring to FIG. 6 and FIG. 7 together, the manufacturing method of the connector 100 of the present invention may take the following steps: providing the conductive housing 1 as described above; providing two rows of conductive terminals 21 for injection molding on each row of conductive terminals 21 An insulating block 22 further forms a terminal module 2, and the terminal module 2 is assembled into the receiving cavity 13 from the rear to the front, and the contact portion 211 of the conductive terminal 21 protrudes into the opening 14; The metal separator 3 is assembled from the rear to the front into the receiving cavity 13 and disposed between the two terminal modules 2; the molded plastic body 4 is ejected from the rear direction receiving cavity 13 of the main body portion 11 and the plastic body 4 is inserted into the opening 14 And the groove 124 is, therefore, The molded plastic body 4 is simultaneously injection molded on the upper and lower sides of the front wall 123; the contact portion 211 of the conductive terminal 21 is exposed on the upper and lower sides of the plastic body 4 and can be connected to the mating terminal on the mating connector. Match.

Therefore, the connector 100 manufactured by the manufacturing method of the present invention has high structural strength and stable electrical performance. Since the plastic body 4 made by the present invention is simultaneously injection molded on the upper and lower sides of the front wall 123, when the connector 100 of the present invention is connected to the mating connector, the mating terminal on the mating connector does not touch the conductive housing. The front wall 123 or the mating wall 121 of the first one avoids the occurrence of a short circuit between the butt terminal on the mating connector and the conductive housing 1 to cause a short circuit. And the molded plastic body 4 does not completely cover the front wall 123, that is, the front surface of the front wall 123 is exposed at the front end of the abutting portion 12 and flush with the front surface of the plastic body 4, and thus the front surface of the front wall 123 It can be electrically contacted with the metal dome on the mating connector to form a good antistatic effect.

The technical contents and technical features of the present invention have been disclosed as above, but those skilled in the art can still make various substitutions and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of the invention is not to be construed as limited by the scope of

Claims (10)

A connector includes: a conductive housing, and an abutting portion extending in a front-rear direction, wherein the abutting portion is provided with a receiving cavity, two butt walls covering the upper and lower sides of the receiving cavity, and is wrapped around the receiving cavity The two side walls of the two sides and the front wall of the front side of the receiving cavity are further provided with a pair of openings respectively corresponding to the two connecting walls and communicating with the receiving cavity in the up-and-down direction, the two openings simultaneously intersecting forwardly The upper and lower sides of the front wall are penetrated from the outside; the terminal module is received in the receiving cavity and has a conductive terminal, the conductive terminal is provided with a contact portion protruding into the opening; and the plastic body is Injection molding into the receiving cavity and protruding into the opening and wrapping forward to the front surface of the front wall, the front surface of the front wall being exposed at the front end of the abutting portion and the front surface of the plastic body When the plastic body is flush, the plastic body is simultaneously injected and formed on the upper and lower sides of the front wall, and the contact portion of the conductive terminal is exposed to the outside of the plastic body. The connector of claim 1, wherein the upper and lower sides of the front wall are provided with a pair of recesses recessed from the front surface and correspondingly communicating with the two openings, the plastic body being injection molded into the concave Inside the slot. The connector of claim 1 or 2, wherein the outer surface of the plastic body is flush with the outer surface of the corresponding contact portion and the outer surface of the mating wall. The connector of claim 1 or 2, wherein the conductive housing is provided with a main body portion located behind the abutting portion, and the receiving cavity is recessed from a front direction of the main body portion, The terminal module is divided into two upper and lower parts and is assembled into the receiving cavity from the rear to the front. Each terminal module includes a row of conductive terminals and a shot. An insulating block formed on the conductive terminal, the connector further comprising a metal spacer disposed between the two terminal modules. The connector of claim 4, wherein the front end of the metal partition is abutted against the front wall, and the two sides of the metal partition are respectively inclined to the left and right sides. The elastic arms extend, and the two elastic arms abut on the two side walls of the conductive housing. A connector includes: a conductive housing having an abutting portion extending in a front-rear direction, the abutting portion is provided with abutting wall at least one side in an up-and-down direction, and a front wall is disposed in front of the mating portion, the docking The portion is further provided with at least one side of the opening extending through the abutting wall and extending forwardly through the front wall and penetrates with the outside; the conductive terminals are disposed in at least one row and are received in the conductive housing, the conductive terminal Providing a contact portion projecting into the opening; and a plastic body projecting into the opening and the opening on one side of the front wall and wrapping forward to the front surface of the front wall, The front surface of the front wall is exposed at the front end of the abutting portion and is flush with the front surface of the plastic body, and the contact portion of the conductive terminal is exposed to the outside of the plastic body. The connector of claim 6, wherein one side of the front wall is further provided with a recess recessed rearward from the front surface and communicating with the opening, the plastic body being injection molded into the recess. A method for manufacturing a connector, comprising: providing a conductive housing, wherein the connecting portion is provided with an abutting portion extending in a front-rear direction, wherein the mating portion is provided with a receiving cavity and two docking walls covering the upper and lower sides of the receiving cavity, Covering two side walls on the left and right sides of the receiving cavity and covering the front wall in front of the receiving cavity, the pair The connecting portion is further provided with a pair of openings respectively extending through the two abutting walls in the up-and-down direction and communicating with the receiving cavity, and the two openings simultaneously pass through the upper and lower sides of the front wall and penetrate with the outside; the conductive terminals are provided. Forming the insulating block on the conductive terminal to form a terminal module, the terminal module is assembled in the receiving cavity, the conductive terminal is provided with a contact portion protruding into the opening; and the molded plastic body is injected in the receiving cavity The plastic body is simultaneously injected and formed at an opening on the upper and lower sides of the front wall, and the plastic body is wrapped forward to the front surface of the front wall, and the front surface of the front wall is exposed at the front end of the butt joint and The front surface of the plastic body is flush, and the contact portion of the conductive terminal is exposed to the outside of the plastic body. The manufacturing method of the connector of claim 8, wherein the conductive housing is provided with a main body portion located behind the abutting portion, and the receiving cavity is recessed from a front direction of the main body portion, and the terminal mold is formed. The group is assembled into the receiving cavity from the rear to the front, and the plastic body is injected into the receiving cavity from the rear end of the receiving cavity. The manufacturing method of the connector according to Item 8 or 9, wherein the upper and lower sides of the front wall are provided with a pair of recesses recessed from the front surface and correspondingly connected to the two openings. The plastic body is injection molded into the groove.