CN211428451U

CN211428451U - Electrical connector

Info

Publication number: CN211428451U
Application number: CN202020127694.6U
Authority: CN
Inventors: 刘宏伟; 徐寅超; 朱建矿
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hongteng Precision Technology Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hongteng Precision Technology Co Ltd; Foxconn Interconnect Technology Ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-09-04
Anticipated expiration: 2030-01-20

Abstract

An electrical connector includes a housing 10 and two terminal modules 20, and defines a mating direction. The shell is provided with two opposite longitudinal outer surfaces, the two terminal modules comprise insulators and terminals embedded in the insulators, the terminals comprise contact portions 41 and pins, and the contact portions 41 of the two terminal modules are exposed on the longitudinal outer surfaces of the shell respectively. The insulator of one of the terminal modules is provided with a first mating surface 210, the insulator of the other terminal module is provided with a second mating surface 220, the first and second mating surfaces are respectively provided with a waterproof surface 27 facing the butting direction, after the two terminal modules are stacked, the first and second mating surfaces are combined face to face, and the waterproof surfaces are abutted against each other. The utility model discloses a two terminal modules increase incessant waterproof face at its fitting surface, improve waterproof performance. The glue 60 in the groove helps to improve the waterproof performance.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electric connector.

[ background of the invention ]

Utility model publication No. 206004042U discloses an electric connector, it includes the shell that is formed by the plastic material, locates at least one terminal module and two metal reinforcement in the shell. The shell is provided with a lengthwise base part and a butt joint part extending forwards from the base part, and the two metal reinforcing pieces are respectively assembled on the outer surface of the terminal module. The housing is directly injection molded on the terminal module and the metal reinforcing member to form the abutting portion. The metal reinforcing part is provided with a main body part and fixing legs extending backwards from two sides of the main body part, the shell is further provided with positioning columns extending from two lengthwise sides of the base part, and the positioning columns wrap the fixing legs of the metal reinforcing part. The existence of the metal reinforcing piece in the electric connector strengthens the overall strength of the electric connector, and the positioning column of the shell covers the fixing foot of the metal reinforcing piece, so that the binding force between the metal reinforcing piece and the fixing foot is strengthened. However, in practical use, the waterproof performance of the product cannot meet the requirement of high waterproof performance.

Therefore, there is a need to provide an electrical connector that overcomes the above-mentioned drawbacks.

[ Utility model ] content

The utility model aims to solve the technical problem that an electric connector is provided, it can improve waterproof performance.

In order to solve the technical problem, the utility model discloses following technical scheme can be adopted: an electric connector comprises a shell and two terminal modules, and defines a butt joint direction; the shell is provided with two opposite longitudinal outer surfaces, the two terminal modules comprise insulators and terminals embedded in the insulators, the terminals comprise contact parts and pins, and the contact parts of the two terminal modules are exposed on the longitudinal outer surfaces of the shell respectively; the insulator of one terminal module is provided with a first matching surface, and the insulator of the other terminal module is provided with a second matching surface; the first matching surface and the second matching surface are respectively provided with a concave part and a convex part to form a waterproof surface facing the butt joint direction, and after the two terminal modules are stacked, the first matching surface and the second matching surface are combined face to face, and the waterproof surfaces are abutted against each other.

The utility model discloses still provide another kind of technical scheme: an electric connector comprises a shell and two terminal modules, and defines a butt joint direction; the shell is provided with two opposite longitudinal outer surfaces, the two terminal modules comprise insulators and terminals embedded in the insulators, the terminals comprise contact parts and pins, and the contact parts of the two terminal modules are exposed on the longitudinal outer surfaces of the shell respectively; the insulator of one terminal module is provided with a first matching surface, and the insulator of the other terminal module is provided with a second matching surface; the first matching surface and the second matching surface are respectively provided with a groove and a convex rib which are matched with each other, and glue is arranged in the groove; after the two terminal modules are stacked, the first matching surface and the second matching surface are combined face to face, and the convex ribs are accommodated in the grooves and are fixed by the glue.

Compared with the prior art, the utility model discloses a two terminal modules increase waterproof face at its fitting surface, improve waterproof performance. Additionally, the utility model discloses a two terminal modules increase recess and fin at its fitting surface, and coating glue in the recess improves waterproof performance.

[ description of the drawings ]

Fig. 1 is a perspective view of an electrical connector according to a first embodiment of the present invention.

Fig. 2 is a perspective view of the electrical connector of fig. 1 from another angle.

Fig. 3 is an exploded perspective view of the electrical connector of fig. 1.

Fig. 4 is a perspective view of the terminal module of fig. 3 further exploded.

Fig. 5 is a perspective view of the terminal module of fig. 4 at another angle.

Fig. 6 is a cross-sectional view of the terminal module of fig. 3 along the dashed line a-a.

Fig. 7 is an exploded perspective view of a terminal module according to a second embodiment of the present invention.

Fig. 8 is an exploded perspective view of the terminal module of fig. 7 at another angle.

Fig. 9 is a cross-sectional view of a terminal module according to a second embodiment.

Fig. 10 is an exploded perspective view of a terminal module according to a third embodiment of the present invention.

Fig. 11 is an exploded perspective view of the terminal module of fig. 10 from another angle.

Fig. 12 is a perspective view of the electrical connector of the fourth embodiment.

Fig. 13 is an exploded perspective view of the electrical connector of fig. 12.

Fig. 14 is an exploded perspective view of the terminal module of fig. 13.

Fig. 15 is an exploded perspective view of the terminal module of fig. 14 from another angle.

Fig. 16 is a perspective view of a terminal module according to a fifth embodiment.

Fig. 17 is a partially enlarged perspective view of fig. 10.

[ description of element symbols ]

Second mating face 220 of electrical connector 100 and metal sheet 30

Housing 10 recess 23 first plate 31

First sub-groove 231 and second plate 32 of tongue plate 11

The elongated outer surface 112, the second sub-groove 232, and the elongated hole 321

Depressed portion 113 convex rib 24 round hole 322

Base 12 first sub-rib 241 terminal 40

Contact portion 41 of the second sub-rib 242 of the

terminal module

20, 20a

Longitudinal surface 201 double arch bridge portion 243 leg 42

Connecting portion 43 of the longitudinal portion 244 of the longitudinal protrusion 211

Glue 60 for positioning hole 25 of cylinder 212

Abutment direction a-a of positioning post 26 of insulator 21

First mating surface 210 waterproof surface 27

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

[ detailed description ] embodiments

Referring to fig. 1 and 2, the electrical connector 100 is a plug connector that can be inserted into a receptacle connector (not shown) in two opposite directions, the mating direction of the electrical connector being shown along a-a. According to different types of electrical connectors and different arrangement directions, the spatial positions of the electrical connectors are different, and the adjacent butt joint end is defined as front and the opposite end is defined as back. Referring to fig. 3 and 4, the electrical connector 100 includes a housing 10, two terminal modules 20, and two metal sheets 30. After the two terminal modules 20 are assembled and stacked on each other, the metal plate 30 is mounted on the longitudinal surface 201 of each terminal module, and then an insulating material, such as plastic, is injection-molded on the outer surfaces of the two terminal modules 20, thereby forming a complete plug connector, the housing 10 includes a base 12 and a tongue 11 extending from the base in the mating direction. Each terminal module has a terminal 40 embedded therein, and the terminal includes a contact portion 41 and a pin 42. The tongue 11 of the housing 10 has two opposite longitudinal outer surfaces 112, the contact portions 41 of the terminals being exposed at said longitudinal outer surfaces 112.

Each metal sheet 30 comprises a first plate 31 and a second plate 32, the first plate 31 is partially exposed at the longitudinal outer surface 112 of the tongue plate and is located at the rear end of the contact portion 41, and the second plate 32 is embedded in the housing 10. The surfaces 201 of the two terminal modules are respectively provided with longitudinal bumps 211 adjacent to the pins 42, and the second plate 32 has longitudinal holes 321 fastened with the longitudinal bumps 211. The second plate has a plurality of circular holes 322, and the surface 201 of the terminal module has a cylinder 212 matching the circular holes 322 to enhance the holding between the metal plate 30 and the terminal module 20.

The tongue plate 11 is recessed near the front end and has a recessed portion 113, the terminals 20 are divided into two groups and respectively arranged at two sides of the recessed portion 113, only the contact portion 41 of the terminal is exposed on the longitudinal outer surface 112, and the other parts are embedded in the electrical connector.

Referring to fig. 5 to 6, each terminal module 20 includes an insulator 21 and the terminal 40 embedded in the insulator, and the terminal 40 includes the contact portion 41, the pin 42, and a connecting portion 43 connecting the contact portion and the pin. The two terminal modules are described in detail below, wherein the insulator 21 of one terminal module 20a is provided with a first mating surface 210, the insulator of the other terminal module is provided with a second mating surface 220, the first and second mating surfaces are respectively provided with a groove 23 and a rib 24, the first and

second mating surfaces

210, 220 are combined with each other face to face after the two

terminal modules

20a, 20b are stacked, and the rib 23 is embedded into the groove 24, and the projection of the rib and the groove is uninterrupted in the longitudinal direction when viewed from the mating direction a-a.

In an embodiment, referring to fig. 5 and 6, the first mating surface 210 is sequentially provided with a first sub-groove 231, a first sub-rib 241, a second sub-groove 232 and a second sub-rib 242 along a lengthwise direction thereof, the first sub-rib 241 and the second sub-groove 232 extend lengthwise and are connected to each other, the first sub-groove 231 extends lengthwise and is located behind the first sub-rib 241, the second sub-rib 242 extends lengthwise and is located behind the second sub-groove 232, when viewed from a butt joint direction, a projection of the first sub-groove 231 coincides with a projection of the first sub-rib 241, and a projection of the second sub-groove 232 coincides with a projection of the second sub-rib groove 23, so that projections of the groove 23 and the rib 24 are not interrupted in the lengthwise direction, as shown in fig. 7.

The first mating surface 210 has a positioning hole 25 behind the first sub-protruding rib 241, and a positioning post 26 behind the second sub-groove 232, so that the positioning hole 25 and the positioning post 26 are closer to the first sub-protruding rib 241 and the second sub-groove 232, so that the first sub-protruding rib and the second sub-groove are partially arched forward in an arc shape, and a similar bridge structure is formed. The corresponding second mating surface 220 is disposed complementary to the first mating surface 210.

Referring to figures 8, 9 and 10 of the drawings, a second embodiment is shown, the main difference from the first embodiment being that similar structures have been given the same reference numerals as the arrangement of the grooves and ribs. The groove 23 and the rib 24 on the first mating surface 210 are integrally connected with each other, the groove 23 is Z-shaped, and the rib 24 is Z-shaped. The second mating face 220 is a complementary structure to the first mating face 210. Or in other embodiments, the first matching surface is only provided with integrally connected grooves, the second matching surface is only provided with integrally connected ribs, and the grooves and the ribs are mutually embedded.

Referring to fig. 11-13, a third embodiment is shown in which the first mating surface is formed with ribs 27, the ribs 27 extending generally to the left of the first mating surface, and the second mating surface is also formed with ribs extending to the right of the second mating surface. After the two terminal modules are assembled and stacked with each other, the ribs 27 abut against each other to form a waterproof surface extending in the longitudinal direction, the waterproof surface facing the mating direction.

In the first and second embodiments, the nature of the grooves and ribs also form two steps, front and back, to provide a waterproof surface. In contrast to the third embodiment, the mating of the grooves and ribs provides more flashing.

In the above three embodiments, the insulators 21 of the two terminal modules 20 form a step structure, so as to reduce the fitting clearance of the components, prevent the liquid from flowing to the pin 42 of the terminal through the gap, avoid causing poor electrical performance such as short circuit of the terminal 20, and improve the waterproof performance of the electrical connector. The hard interference design of the grooves and the ribs form a plurality of blocking surfaces, which are helpful for further preventing liquid from flowing to the flow direction. The elongated surface 201 of the insulator 21 is also provided with similar elongated projections which not only contribute to the fixing of the metal piece, the housing, but also contribute to the water-proofing.

Referring to fig. 14-15, further, the first and second mating surfaces are respectively provided with a groove 23 and a rib 24, which are mated with each other, and the groove 24 is filled with glue 60. After the two terminal modules are stacked on each other, the first and second mating surfaces are bonded to each other face to face, and the protruding rib 23 is received in the groove 24 and fixed by the glue 60. In this embodiment, the rib 24 is divided into two portions, a double arch bridge portion 243 and a longitudinal portion 244. The lengthwise surface of the insulator 21 is also coated with glue 60. Fig. 16-17 show the integrally connected grooves with glue 60 applied therein. Glue can not only help location and fixed between two terminal module, also helps further waterproof function.

The above-described embodiments are presently preferred, but not necessarily all, embodiments of the invention. Any equivalent changes taken by those skilled in the art from the technical solution of the present invention through reading the specification of the present invention are covered by the claims of the present invention.

Claims

1. An electric connector comprises a shell and two terminal modules, and defines a butt joint direction; the shell is provided with two opposite longitudinal outer surfaces, the two terminal modules comprise insulators and terminals embedded in the insulators, the terminals comprise contact parts and pins, and the contact parts of the two terminal modules are exposed on the longitudinal outer surfaces of the shell respectively; the insulator of one terminal module is provided with a first matching surface, and the insulator of the other terminal module is provided with a second matching surface; the method is characterized in that: the first matching surface and the second matching surface are respectively provided with a waterproof surface facing the butt joint direction, and after the two terminal modules are stacked, the first matching surface and the second matching surface are combined face to face, and the waterproof surfaces are abutted against each other.

2. The electrical connector of claim 1, wherein: seen from the butt joint direction, the waterproof surface is uninterrupted in the longitudinal direction.

3. The electrical connector of claim 1, wherein: the first and second matching surfaces are respectively provided with a groove and a convex rib which are matched with each other; after the two terminal modules are stacked, the convex ribs are embedded into the grooves; and when viewed from the butt joint direction, the projection of the convex ribs and the concave grooves is uninterrupted in the longitudinal direction.

4. The electrical connector of claim 3, wherein: first fitting surface is equipped with first sub-recess, first sub-fin along its lengthwise direction in proper order, second sub-recess and second sub-fin, first sub-fin extends and links to each other with second sub-recess lengthwise, and first sub-recess lengthwise extends and is located first rear from the fin, and second sub-fin lengthwise extends and is located the rear of second sub-recess.

5. The electrical connector of claim 3, wherein: the insulators of the two terminal modules are respectively provided with a lengthwise surface, and the lengthwise surfaces are respectively positioned on the other sides of the first matching surface and the second matching surface; the two longitudinal surfaces are respectively provided with a longitudinal lug at the position adjacent to the pins; the electric connector comprises two metal sheets, each metal sheet comprises a first plate and a second plate, the first plate is embedded in the longitudinal surface of the shell and located behind the contact part, and the second plate is provided with a longitudinal hole buckled with the longitudinal convex block.

6. The electrical connector of claim 5, wherein: the second plate is provided with a round hole, and the longitudinal surface of the insulator is provided with a cylinder matched with the round hole.

7. The electrical connector of claim 3, wherein: glue is arranged in the groove of the insulator to adhere the groove and the convex rib.

8. The electrical connector of claim 3, wherein: the first matching surface is provided with the grooves which are connected integrally, and the second matching surface is provided with the convex ribs which are connected integrally.

9. An electric connector comprises a shell and two terminal modules, and defines a butt joint direction; the shell is provided with two opposite longitudinal outer surfaces, the two terminal modules comprise insulators and terminals embedded in the insulators, the terminals comprise contact parts and pins, and the contact parts of the two terminal modules are exposed on the longitudinal outer surfaces of the shell respectively; the insulator of one terminal module is provided with a first matching surface, and the insulator of the other terminal module is provided with a second matching surface; the method is characterized in that: the first matching surface and the second matching surface are respectively provided with a groove and a convex rib which are matched with each other, and glue is arranged in the groove; after the two terminal modules are stacked, the first matching surface and the second matching surface are combined face to face, and the convex ribs are accommodated in the grooves and are fixed by the glue.

10. The electrical connector of claim 9, wherein: the terminal module is provided with glue on the lengthwise surface opposite to the first matching surface and the second matching surface respectively.