CN212412251U

CN212412251U - electrical connector

Info

Publication number: CN212412251U
Application number: CN202021187032.4U
Authority: CN
Inventors: 徐佥昱; 江惠雪; 林世东
Original assignee: Taiwan Luxshare Precision Ltd
Current assignee: Taiwan Luxshare Precision Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-01-26
Anticipated expiration: 2030-06-24

Abstract

An electrical connector, comprising an insulating body, a plurality of conductive terminals fixed to the insulating body, and a metal shielding shell sleeved on the insulating body. The conductive terminals include a plurality of signal terminals for transmitting signals, power terminals for transmitting power, and grounding terminals for grounding, wherein the signal terminals are formed by stamping and bending, and the power terminals and the grounding terminals are formed by stamping. Compared with the prior art, the conductive terminals of the utility model include two different types, wherein the signal terminals are formed by stamping and bending to meet the needs of high-speed transmission; the power terminals are formed by stamping to meet the needs of large current transmission.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector belongs to connector technical field.

Background

The existing electric connector, such as the USB Type-C connector, can be divided into two types of high-speed transmission and large-current transmission, wherein the conductive terminal structures of the two types of USB Type-C connectors are different. However, the conductive terminals of the existing high-speed transmission USB Type-C connector cannot bear large current and cannot meet the requirement of large-current transmission; in addition, the conductive terminals of the existing high-current transmission USB Type-C connector have deviation of high-speed transmission capability, and the requirement of high-speed transmission cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector that can satisfy higher speed transmission and can satisfy great current transmission again.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric connector comprises an insulating body, a plurality of conductive terminals fixed on the insulating body and a metal shielding shell sleeved on the insulating body; the insulating body is provided with a first extending wall, a second extending wall opposite to the first extending wall and an accommodating space positioned between the first extending wall and the second extending wall, the first extending wall is provided with a plurality of first terminal grooves communicated with the accommodating space, and the second extending wall is provided with a plurality of second terminal grooves communicated with the accommodating space; the conductive terminal comprises a first contact arm positioned in the first terminal groove and a second contact arm positioned in the second terminal groove, the first contact arm is provided with a first contact part protruding into the accommodating space, and the second contact arm is provided with a second contact part protruding into the accommodating space; the conductive terminal comprises a plurality of groups of signal terminals for transmitting signals, a power supply terminal for transmitting a power supply and a grounding terminal for grounding, wherein the signal terminals are formed by bending and molding by punching, and the power supply terminal and the grounding terminal are formed by punching and molding.

As a further improved technical solution of the present invention, the insulation body includes a first mounting wall connected to the first extension wall and a second mounting wall connected to the second extension wall; at least one of the power terminal and the ground terminal includes a connecting portion for connecting the first contact arm and the second contact arm thereof, and the connecting portion is fixed in the first mounting wall and the second mounting wall.

As a further improved technical solution of the present invention, the insulation body includes a first mounting wall connected to the first extension wall and a second mounting wall connected to the second extension wall, the first mounting wall is provided with a first locking hole, and the second mounting wall is provided with a second locking hole; the electric connector comprises a first insulating block coated on the signal terminal, one part of the first insulating block is provided with a first convex block matched with the first lock catch hole, and the other part of the first insulating block is provided with a second convex block matched with the second lock catch hole.

As the utility model discloses further modified technical scheme, the electric connector is including being fixed in insulator just extends into from both sides accommodating space's centre gripping arm, the centre gripping arm is equipped with the centre gripping arch that is used for centre gripping butting connector.

As a further improved technical scheme of the utility model, the first mounting wall is provided with a third locking hole; the electric connector comprises a second insulating block fixed on the clamping arm, and the second insulating block is provided with a third bump matched with the third locking hole.

As the utility model discloses further modified technical scheme, the electric connector is including the cladding at every a set of with the first insulation piece that forms the terminal module on the signal terminal, first insulation piece is equipped with the breach, signal terminal part exposes in the breach.

As a further improved technical solution of the present invention, the terminal module includes an upper terminal module and a lower terminal module corresponding to the upper terminal module, and a slot is formed between the upper terminal module and the lower terminal module; the electric connector comprises a clamping arm which is fixed on the insulating body and extends into the accommodating space from two sides, the clamping arm is provided with a spacer which is inserted into the slot, and the signal terminal of the upper terminal module and the signal terminal of the lower terminal module are respectively positioned on the upper side and the lower side of the spacer.

As a further improved technical solution of the present invention, the conductive terminals are fixed to the insulating body along the horizontal direction or the vertical direction.

As a technical scheme of the utility model, the electric connector is including being close to the grounding lug of electric connector's socket department, the grounding lug with the inner wall that the casing was shielded to the metal contacts, the grounding lug is equipped with the main part and certainly the butt shell fragment that the main part extends, the main part is including being close to the first edge of electric connector's socket and with the second edge that first edge is relative, the butt shell fragment certainly the second edge is turned round earlier backward again and is buckled and form, the butt shell fragment extends into just be used for with butting connector looks butt joint in the accommodating space.

As the utility model discloses further modified technical scheme, conductive terminal still includes a plurality of groups low-speed signal terminal for transmission signal, wherein low-speed signal terminal sets up in two between the power supply terminal, low-speed signal terminal is formed by bending the shaping or stamping forming by the punching press.

As a further improved technical scheme of the utility model, the electric connector is USBType-C plug connector.

Compared with the prior art, the conductive terminal of the utility model comprises two different types, wherein the signal terminal is formed by stamping and bending to meet the requirement of high-speed transmission; the power supply terminal is formed by punch forming so as to meet the requirement of large-current transmission.

Drawings

Fig. 1 is a schematic perspective view of the electrical connector of the present invention.

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

Fig. 3 is a front view of fig. 1.

Fig. 4 is a partially exploded perspective view of fig. 1.

Fig. 5 is a further partially exploded perspective view of fig. 4.

Fig. 6 is a further partially exploded perspective view of fig. 5.

Fig. 7 is a further exploded perspective view of a portion of fig. 6, wherein the first and second dielectric blocks are not shown.

Fig. 8 is a partial exploded perspective view of fig. 6 at another angle.

Fig. 9 is a perspective view of the upper terminal module and the lower terminal module.

Fig. 10 is a perspective view of the grounding plate.

Detailed Description

Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. If several embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The description set forth below in the exemplary detailed description does not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatus, products, and/or methods consistent with certain aspects of the invention, as recited in the claims of the invention.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in the specification and claims of this application, the singular form of "a", "an", or "the" is intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims of the present invention do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the terms "front," "back," "up," "down," and the like in the description of the invention are used for convenience of description and are not limited to a particular position or spatial orientation. The word "comprise" or "comprises", and the like, is an open-ended expression meaning that an element that precedes "includes" or "comprising" includes "that the element that follows" includes "or" comprises "and its equivalents, that do not preclude the element that precedes" includes "or" comprising "from also including other elements. If the utility model discloses in appear "a plurality of", its meaning indicates two and more than two.

Referring to fig. 1 to 5, the present invention discloses an electrical connector 100, which includes an insulating housing 1, a plurality of conductive terminals 2 fixed to the insulating housing 1, a metal shielding shell 3 sleeved on the insulating housing 1, a clamping arm 4 fixed to the insulating housing 1, and a grounding plate 5 near a socket of the electrical connector 100. In the illustrated embodiment of the present invention, the electrical connector 100 is a USB Type-C plug connector. Of course, in other embodiments, the electrical connector 100 may be other types of connectors.

Referring to fig. 6 to 8, the insulation body 1 is integrated in the illustrated embodiment of the present invention, and includes a first extension wall 11 (e.g., a top wall), a second extension wall 12 (e.g., a bottom wall) opposite to the first extension wall 11, a first mounting wall 13 connected to the first extension wall 11, a second mounting wall 14 connected to the second extension wall 12, and a receiving space 10 between the first extension wall 11 and the second extension wall 12. The first extension wall 11 is provided with a plurality of first terminal grooves communicated with the accommodating space 10, and the second extension wall 12 is provided with a plurality of second terminal grooves communicated with the accommodating space 10. The first mounting wall 13 is provided with a first locking hole 131, and the second mounting wall 14 is provided with a second locking hole 141 (see fig. 8). In addition, the first mounting wall 13 is provided with a third locking hole 132 located outside the first locking hole 131.

From a structural point of view, the conductive terminal 2 comprises a first contact arm 21 located in the first terminal slot and a second contact arm 22 located in the second terminal slot. The first contact arm 21 is provided with a first contact portion 211 protruding into the accommodating space 10, and the second contact arm 22 is provided with a second contact portion 221 protruding into the accommodating space 10. Functionally, the conductive terminal 2 includes a conductive terminal for transmittingSeveral groups of signal terminals S for transmitting signals, power supply terminal V for transmitting power supply_busAnd a grounding terminal G for grounding, wherein the signal terminal S is formed by stamping and bending (forming) so as to meet the requirement of high-speed transmission; the power supply terminal V_busAnd the ground terminal G is formed by stamping (holding) so as to be able to satisfy the need of large current transmission. In the illustrated embodiment of the present invention, the conductive terminal 2 is fixed to the insulating body 1 along a horizontal direction. Of course, in other embodiments, the conductive terminal 2 may also be mounted and fixed to the insulating body 1 in a vertical direction.

The largest surface of the signal terminal S is located in a first plane, and the power supply terminal V_busAnd the largest surface of the ground terminal G is located in a second plane, the first plane being perpendicular to the second plane. In the illustrated embodiment of the present invention, the first plane is a horizontal plane and the second plane is a vertical plane.

In the illustrated embodiment of the present invention, the power supply terminal V_busAnd the ground terminal G each include a connection portion 23 connecting the first contact arm 211 thereof with the second contact arm 221 thereof, thereby causing the power supply terminal V to be connected_busAnd the ground terminal G is substantially H-shaped. The connecting portion 23 is fixed to the first mounting wall 13 and the second mounting wall 14. Of course, in other embodiments, the connection portion 23 may not be provided, and in this case, the first contact arm 211 and the second contact arm 221 are separated from each other.

In an embodiment of the present invention, the plurality of sets of signal terminals S are high-speed signal terminals. Referring to fig. 6 and 7, in the illustrated embodiment of the present invention, the conductive terminal 2 further includes a plurality of low-speed signal terminals S1 for transmitting signals, wherein the low-speed signal terminals S1 are disposed on two of the power terminals V_busIn the meantime. The low-speed signal terminal S1 is formed by stamping, bending or punching. In the illustrated embodiment of the present invention, the low-speed signal terminal S1 is formed by press molding; of course, in other embodiments, allThe low-speed signal terminal S1 may be formed by press bending. In the illustrated embodiment of the present invention, the low-speed signal terminal S1 and the power supply terminal V_busThe first mounting wall 13 and the second mounting wall 14 are inserted and fixed from the rear to the front, as are the ground terminals G. The low-speed signal terminals S1 also protrude into the receiving space 10 for mating with a mating connector.

In the illustrated embodiment of the present invention, the electrical connector 100 includes a first insulating block 24 coated on each set of the signal terminals S to form a terminal module. In the illustrated embodiment of the present invention, the terminal modules are four groups, including two groups of upper terminal modules and two groups of lower terminal modules, wherein the first insulating block 24 of the upper terminal module is provided with a first protrusion 241 matched with the first locking hole 131, and the first insulating block 24 of the lower terminal module is provided with a second protrusion 242 matched with the second locking hole 141 (see fig. 8). With this arrangement, after the terminal module is inserted into the insulating housing 1, the terminal module can be prevented from falling off from the insulating housing 1 by the locking of the first and

second protrusions

241, 242 and the first and second locking holes 131, 141.

Specifically, referring to fig. 9, the signal terminals S of the upper terminal module include first mounting portions 212 extending rearward from the first contact portions 211 and first tail portions 213 extending rearward from the first mounting portions 212. Similarly, the signal terminals S of the lower terminal module include second mounting portions 222 extending rearward from the second contact portions 221 and second tail portions 223 extending rearward from the second mounting portions 222.

The upper terminal module and the lower terminal module aligned up and down are spaced apart by a certain distance to form a slot 240 therebetween. The first insulating block 24 of the upper terminal module is provided with a first protruding portion 243 protruding toward the lower terminal module, a second protruding portion 244 protruding toward the lower terminal module, and a notch 245 between the first protruding portion 243 and the second protruding portion 244. Similarly, the first insulating block 24 of the lower terminal module is provided with a first boss 243 protruding toward the upper terminal module, a second boss 244 protruding toward the upper terminal module, and a notch 245 between the first boss 243 and the second boss 244. The first mounting portion 212 and the second mounting portion 222 are at least partially exposed in the corresponding notches 245. With this arrangement, on one hand, since the length of the first insulating block 24 is long, the notch 245 can be provided with a positioning structure to ensure the correct position of the signal terminal S in the notch 245; on the other hand, by exposing the signal terminals S at least partially in the notches 245, the impedance of the terminal module can be adjusted, and better signal transmission and shielding effects can be realized.

The clamping arm 4 extends into the accommodating space 10 from two sides, and the clamping arm 4 is provided with a clamping protrusion 41 for clamping the butting connector and a spacer 42 positioned at the inner side of the clamping protrusion 41. In the illustrated embodiment of the present invention, the electrical connector 100 includes a second insulating block 25 fixed on the holding arm 4, and the second insulating block 25 is provided with a third protrusion 251 matched with the third locking hole 132. The third bump 251 is located between the first contact arm 211 and the second contact arm 221 in a vertical direction. When assembled, the spacer 42 is inserted into the insertion groove 240 between the upper terminal module and the lower terminal module, and the spacer 42 is located between the first mounting portion 212 and the second mounting portion 222, which is advantageous for achieving a better shielding effect.

The grounding strip 5 is in contact with the inner wall of the metal shielding shell 3. The metal shielding shell 3 includes an abutting portion 31 fitted over the first extension wall 11 and the second extension wall 12, and an assembling portion 32 fitted over the first mounting wall 13 and the second mounting wall 14. In the illustrated embodiment of the present invention, the abutting portion 31 and the assembling portion 32 are formed as an integrally formed seamless tubular structure. In the illustrated embodiment of the present invention, the grounding plates 5 are two and are arranged in a vertically symmetrical manner. Referring to fig. 10, the grounding plate 5 includes a main body 51, fixing portions 52 bent from two sides of the main body 51, and a plurality of contact spring pieces 53 extending from the main body 51. The fixing portion 52 is inserted into the first extending wall 11 and the second extending wall 12 to fix. The body portion 51 includes a first edge 511 proximate to the receptacle of the electrical connector 100 and a second edge 512 opposite the first edge 511. The abutting elastic sheet 53 is formed by bending and rotating from the second edge 512 to the front and back. The abutting elastic sheet 53 extends into the accommodating space 10 and is used for abutting against the butting connector. The main body 51 is further provided with a plurality of grooves 513 recessed from the first edge 511 to the second edge 512, and each groove 513 corresponds to one abutting elastic sheet 53. The recess 513 is used for providing a deformation space for the abutting elastic sheet 53 when the abutting elastic sheet 53 abuts against the butting connector.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present invention should be based on the technical personnel in the technical field, although the present specification has been described in detail with reference to the above embodiments, however, the skilled in the art should understand that the technical personnel in the technical field can still modify the present invention or substitute the same, and all technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. An electrical connector (100) comprising an insulating body (1), a plurality of conductive terminals (2) fixed on the insulating body (1), and a metal shielding shell sleeved on the insulating body (1) body (3); the insulating body (1) is provided with a first extension wall (11), a second extension wall (12) opposite to the first extension wall (11), and a second extension wall (12) located on the first extension wall ( 11) A receiving space (10) between the second extending wall (12), the first extending wall (11) is provided with a plurality of first terminal slots communicating with the receiving space (10), the The second extension wall (12) is provided with a plurality of second terminal slots communicating with the receiving space (10); the conductive terminal (2) includes a first contact arm (21) located in the first terminal slot and A second contact arm (22) located in the second terminal slot, the first contact arm (21) is provided with a first contact portion (211) protruding into the receiving space (10), the The second contact arm (22) is provided with a second contact portion (221) protruding into the receiving space (10); it is characterized in that: the conductive terminal (2) includes several groups of signal terminals for transmitting signals (S), a power terminal (V _bus ) for transmitting power and a ground terminal (G) for grounding, wherein the signal terminal (S) is formed by stamping and bending, and the power terminal (V _bus ) ) and the ground terminal (G) are formed by stamping.

2. The electrical connector (100) according to claim 1, characterized in that: the insulating body (1) comprises a first mounting wall (13) connected with the first extension wall (11) and a first mounting wall (13) connected with the first extension wall (11). a second installation wall (14) connected to the second extension wall (12); at least one of the power terminal (V _bus ) and the ground terminal (G) includes connecting the first contact arm (21) thereof with the power terminal (V bus ) and the ground terminal (G) The connection part (23) of the second contact arm (22), the connection part (23) is fixed in the first installation wall (13) and the second installation wall (14).

3. The electrical connector (100) according to claim 1, wherein the insulating body (1) comprises a first mounting wall (13) connected with the first extension wall (11) and a first mounting wall (13) connected with the first extension wall (11) The second installation wall (14) is connected to the second extension wall (12), the first installation wall (13) is provided with a first locking hole (131), and the second installation wall (14) is provided with a first locking hole (131). Two locking holes (141); the electrical connector (100) includes a first insulating block (24) covering the signal terminal (S), and a part of the first insulating block (24) is provided with A first projection (241) matched with the first locking hole (131), and another part of the first insulating block (24) is provided with a second locking hole (141) matched with the second locking hole (141). Bump (242).

4. The electrical connector (100) according to claim 3, characterized in that: the electrical connector (100) comprises a structure which is fixed to the insulating body (1) and extends into the receiving space (10) from both sides ) of the clamping arm (4), the clamping arm (4) is provided with a clamping protrusion (41) for clamping the butt connector.

5. The electrical connector (100) according to claim 4, characterized in that: the first mounting wall (13) is provided with a third locking hole (132); the electrical connector (100) comprises a fixing a second insulating block (25) on the clamping arm (4), the second insulating block (25) is provided with a third protrusion (251) matched with the third locking hole (132) ).

6. The electrical connector (100) according to claim 1, characterized in that: the electrical connector (100) comprises a first cladding on each set of the signal terminals (S) to form a terminal module An insulating block (24), the first insulating block (24) is provided with a notch (245), and the signal terminal (S) is partially exposed in the notch (245).

7. The electrical connector (100) according to claim 6, wherein the terminal module comprises an upper terminal module and a lower terminal module corresponding to the upper terminal module, the upper terminal module A slot (240) is formed between the module and the lower terminal module; the electrical connector (100) includes a socket (100) fixed on the insulating body (1) and extending into the receiving space (10) from both sides A clamping arm (4), the clamping arm (4) is provided with a spacer (42) inserted into the slot (240), the signal terminal (S) of the upper terminal module and the The signal terminals (S) of the lower terminal module are respectively located on the upper and lower sides of the spacer (42).

8. The electrical connector (100) according to claim 1, wherein the conductive terminal (2) is installed and fixed on the insulating body (1) along a horizontal direction or a vertical direction.

9. The electrical connector (100) according to claim 1, characterized in that: the electrical connector (100) comprises a grounding piece (5) near the socket of the electrical connector (100), the electrical connector (100) The grounding sheet (5) is in contact with the inner wall of the metal shielding shell (3), and the grounding sheet (5) is provided with a main body (51) and abutting elastic pieces (53) extending from the main body (51). ), the body portion (51) includes a first edge (511) close to the socket of the electrical connector (100) and a second edge (512) opposite to the first edge (511), the The spring-receiving piece (53) is formed by bending backward and then forward from the second edge (512), and the abutting spring-piece (53) extends into the receiving space (10) and is used for connecting with the butt connector abut each other.

10. The electrical connector (100) according to claim 1, wherein the conductive terminal (2) further comprises several groups of low-speed signal terminals (S1) for transmitting signals, wherein the low-speed signal terminals ( S1) is disposed between the two power terminals (V _bus ), and the low-speed signal terminal ( S1 ) is formed by punching, bending, or punching.

11. The electrical connector (100) according to any one of claims 1 to 10, wherein the electrical connector (100) is a USB Type-C plug connector.