Electric connector

Abstract

The utility model discloses an electric connector, which comprises an insulating body, a plurality of conductive terminals, a metal shell and a pressing plate, the plurality of conductive terminals are fixedly held on the insulating body; the metal shell wraps the insulating body, the insulating body comprises a supporting part, the supporting part extends out of the metal shell, the supporting part is provided with an accommodating space, the conductive terminal comprises a main body part and a tail part connected with the main body part, and the tail part extends into the accommodating space; the pressing plate is rotationally connected to the supporting part, the supporting part is provided with an installation groove, the installation groove is communicated with the containing space, the installation groove is configured to be in plug-in connection with the electric connecting element, and the pressing plate and the supporting part are closed to press the electric connecting element and the tail of the conductive terminal. The electric connector is easy to assemble and low in manufacturing cost.

Description

Technical Field

[0001] The utility model relates to an electric connector and belongs to the technical field of connectors. Background Art

[0002] The USB connector includes an insulating body, a conductive terminal inserted into the insulating body, and a housing sleeved on the insulating body. The contact portion of the conductive terminal is used to connect with the docking connector, and the welding portion of the conductive terminal is welded to the wire, and then a protective shell is injection molded on the outside. The use of welding to connect the wire and the conductive terminal increases equipment investment and has high production costs. Utility Model Content

[0003] The utility model aims to provide an electrical connector which is easy to assemble and has low manufacturing cost.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An electrical connector, comprising:

[0006] Insulation body;

[0007] A plurality of conductive terminals, wherein the plurality of conductive terminals are fixed to the insulating body;

[0008] A metal shell, the metal shell covers the insulating body, the insulating body includes a support portion, the support portion extends out of the metal shell, the support portion has a receiving space, the conductive terminal includes a main body and a tail portion connected to the main body, the tail portion extends into the receiving space;

[0009] A pressure plate is rotatably connected to the support portion, the support portion is provided with a mounting groove, the mounting groove is communicated with the storage space, the mounting groove is configured to plug in an electrical connection element, the pressure plate and the support portion are closed to press the electrical connection element and the tail of the conductive terminal.

[0010] As a further improved technical solution of the utility model, the supporting portion includes a first side wall, a second side wall opposite to the first side wall, and a bottom wall connecting the first side wall and the second side wall, the first side wall, the second side wall and the bottom wall form the storage space, a rotating shaft is fixed between the first side wall and the second side wall, the pressure plate is provided with a through hole, and the rotating shaft is passed through the through hole.

[0011] As a further improved technical solution of the utility model, the first side wall includes a first side surface, the second side wall includes a second side surface, the first side surface and the second side surface are both exposed to the storage space, the first side wall includes a first side groove recessed in the first side surface, the second side wall includes a second side groove recessed in the second side surface, and the installation groove includes the first side groove and the second side groove.

[0012] As a further improved technical solution of the utility model, the insulating body includes a base, the supporting part is connected to the base, the first side wall is provided with a first groove, the second side wall is provided with a second groove, the first groove and the second groove are both close to the base, and the first extension part and the second extension part are respectively provided on both sides of the pressure plate, the first extension part extends into the first groove, and the second extension part extends into the second groove.

[0013] As a further improved technical solution of the utility model, a groove is provided at one end of the pressure plate close to the metal shell, and a convex strip is provided at the base. After the pressure plate and the support part are closed, the part of the convex strip extending out of the metal shell extends into the groove.

[0014] As a further improved technical solution of the utility model, the pressure plate includes a front end face and a third extension portion extending forward from the front end face, the groove is arranged on the third extension portion, the bottom surface of the third extension portion and the front end face form an installation space, and the bottom surface and the front end face are respectively abutted against the base.

[0015] As a further improved technical solution of the utility model, the tail portion of the conductive terminal is formed with a first protrusion protruding toward the electrical connection element.

[0016] As a further improved technical solution of the utility model, the conductive terminal also includes a contact portion, the main body connects the contact portion and the tail portion, the insulating body includes a tongue portion, the base connects the tongue portion and the support portion, the tongue portion is provided with a plurality of slots, and the contact portions of the plurality of conductive terminals are correspondingly provided in the plurality of slots.

[0017] As a further improved technical solution of the utility model, it also includes an insulating block covering the support portion and the pressing plate, and an insulating sleeve covering the insulating block.

[0018] As a further improved technical solution of the utility model, the electrical connection element is a flexible flat cable or a flexible circuit board.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The support part is provided with an installation groove, which is convenient for the electrical connection element to be quickly plugged into the storage space, easy to assemble, and reduces the production cost. After installation, the two sides of the electrical connection element are limited in the installation groove, and the installation groove plays a guiding and limiting role;

[0021] The pressure plate is rotatably connected to the support portion of the insulating body, and the pressure plate and the support portion are closed to press the tail of the electrical connection element and the conductive terminal, so that the conductive terminal and the electrical connection element are in good contact, which is beneficial to improving the stability of the electrical connection between the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional schematic diagram of the electric connector of the utility model;

[0023] Figure 2 yes Figure 1 Schematic diagram of the decomposition of

[0024] Figure 3 yes Figure 2 Schematic diagram of the decomposition of the middle part structure;

[0025] Figure 4 yes Figure 2 Schematic diagram of the structure of the middle part from another angle;

[0026] Figure 5 yes Figure 3 A three-dimensional schematic diagram of the middle insulating body;

[0027] Figure 6 yes Figure 3 A three-dimensional schematic diagram of a conductive terminal;

[0028] Figure 7 yes Figure 4 A three-dimensional schematic diagram of the medium pressure plate;

[0029] Figure 8 This is a diagram showing the state where the pressure plate is flipped open relative to the insulating body. DETAILED DESCRIPTION

[0030] The exemplary embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. If there are several embodiments, the features of these embodiments can be combined with each other without conflict. When the description refers to the drawings, unless otherwise specified, the same numbers in different drawings represent the same or similar elements. The contents described in the following exemplary embodiments do not represent all embodiments consistent with the present invention; on the contrary, they are merely examples of devices, products and / or methods that are consistent with some aspects of the present invention and are recorded in the claims of the present invention.

[0031] The terms used in the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the scope of protection of the present invention. The singular forms "a", "said" or "the" used in the specification and claims of the present invention are also intended to include plural forms, unless the context clearly indicates other meanings.

[0032] It should be understood that the words used in the specification and claims of the present invention, such as "first", "second" and similar words, do not indicate any order, quantity or importance, but are only used to distinguish the names of features. Similarly, words such as "one" or "an" do not indicate a quantitative limitation, but indicate the existence of at least one. Unless otherwise specified, words such as "front", "rear", "upper", "lower" and similar words appearing in the present invention are only for the convenience of description and are not limited to a specific position or a spatial orientation. Words such as "include" or "comprise" are an open-ended expression, meaning that the elements appearing before "include" or "comprise" include the elements appearing after "include" or "comprise" and their equivalents, which does not exclude that the elements appearing before "include" or "comprise" may also include other elements. If "several" appears in the present invention, it means two or more.

[0033] Please refer to Figures 1 to 8 As shown, the utility model discloses an electrical connector, including an insulating body 1, a plurality of conductive terminals 2 fixed to the insulating body 1, a metal shell 3 covering the insulating body 1, a pressing plate 4 and an electrical connection element 100. The metal shell 3 includes a receiving cavity 31, the insulating body 1 is at least partially located in the receiving cavity 31, and the electrical connection element 100 is electrically connected to the conductive terminal 1.

[0034] See also Figure 3 The insulating body 1 includes a base 11, a tongue portion 12 connected to one end of the base 11, and a support portion 13 connected to the other end of the base 11. At least part of the base 11 and the tongue portion 12 are located in the metal shell 3, and the support portion 13 extends out of the metal shell 3.

[0035] Continue to see Figure 3 The tongue plate portion 12 is provided with a plurality of slots 121, the conductive terminal 2 comprises a main body portion 21, a contact portion 22 connected to one end of the main body portion 21, and a tail portion 23 connected to the other end of the main body portion 21, the contact portions 22 of the plurality of conductive terminals 2 are correspondingly provided in the plurality of slots 121, and the contact portions 22 are configured to be connected to the docking connector. The contact portion 22 is formed with a second protrusion 221, and the second protrusion 221 protrudes out of the slot 121 of the tongue plate portion 12, so as to facilitate contact with the docking connector.

[0036] See also Figure 3The support portion 13 has a storage space 130, and the tail portion 23 of the conductive terminal 2 extends into the storage space 130. The pressing plate 4 is rotatably connected to the supporting portion 13, and the supporting portion 13 is provided with a mounting groove 134, which is in communication with the storage space 130. The mounting groove 134 is configured to plug the electrical connection element 100, and the pressing plate 4 and the supporting portion 13 are closed to press the electrical connection element 100 and the tail portion 23. The mounting groove 134 facilitates the electrical connection element 100 to be quickly plugged into the storage space 130, is easy to assemble, and reduces the manufacturing cost. After being installed in place, the two sides of the electrical connection element 100 are limited in the mounting groove 134. That is, the mounting groove 134 plays a role of limiting and guiding, and the electrical connection element 100 can be a flexible flat cable or a flexible circuit board.

[0037] When the electrical connection element 100 uses a flexible flat cable, the conductor of the flexible flat cable contacts the tail 23 of the conductive terminal 2 ; when the electrical connection element 100 uses a flexible circuit board, the gold finger of the flexible circuit board contacts the tail 23 of the conductive terminal 2 .

[0038] See also Figure 5 The support portion 13 includes a first side wall 131, a second side wall 132 opposite to the first side wall 131, and a bottom wall 133 connecting the first side wall 131 and the second side wall 132. The first side wall 131, the second side wall 132 and the bottom wall 133 form a storage space 130. A rotating shaft 5 is fixed between the first side wall 131 and the second side wall 132, and the pressing plate 4 is provided with a through hole 41. The rotating shaft 5 is passed through the through hole 41, which is convenient for assembly.

[0039] For details, see Figure 5 The first side wall 131 includes a first side surface 1311, and the second side wall 132 includes a second side surface 1321. Both the first side surface 1311 and the second side surface 1321 are exposed to the storage space 130. The first side wall 131 includes a first side groove 1312 recessed in the first side surface 1311, and the second side wall 132 includes a second side groove 1322 recessed in the second side surface 1321. The mounting groove 134 includes a first side groove 1312 and a second side groove 1322. The first side groove 1312 and the second side groove 1322 limit the two sides of the electrical connection element 100.

[0040] In some embodiments, see Figure 5 The first side wall 131 is provided with a first groove 1313, and the second side wall 132 is provided with a second groove 1323. Both the first groove 1313 and the second groove 1323 are close to the base 11 of the insulating body 1. The two sides of the pressing plate 4 are respectively provided with a first extension part 42 and a second extension part 43. The first extension part 42 extends into the first groove 1313, and the second extension part 43 extends into the second groove 1323. By providing the first groove 1313 and the second groove 1323, the two sides of the pressing plate 4 are positioned and installed.

[0041] See also Figure 4 and Figure 6 The tail portion 23 of the conductive terminal 2 is formed with a first protrusion 231 protruding toward the electrical connection element 100, so that the conductive terminal 2 and the electrical connection element 100 can be better contacted, and the conductive terminal 2 and the electrical connection element 100 are pressed by flipping the pressure plate 4 to make the connection between the two stable. Specifically, the tail portion 23 is formed by stamping the first protrusion 231, and after forming, the tail portion 23 is away from the surface of the electrical connection element 100 to form a concave groove. The first protrusion 231 and the second protrusion 221 of the contact portion 22 are opposite in protrusion direction.

[0042] See also Figure 3 The end of the pressing plate 4 close to the metal shell 3 is provided with a groove 44, and the base 11 of the insulating body 1 is provided with a convex strip 111, and a part of the base 11 and the convex strip 111 extends out of the metal shell 3. After the pressing plate 4 and the supporting part 13 are closed, the part of the convex strip 111 extending out of the metal shell 3 extends into the groove 44, thereby realizing the positioning and assembly of the pressing plate 4 and the insulating body 1.

[0043] In the illustrated embodiment of the present invention, the insulating body 1 is provided with two convex strips 111 , and correspondingly, the pressing plate 4 is also provided with two grooves 44 .

[0044] See also Figure 4 The pressing plate 4 includes a front end face 45 and a third extension portion 46 extending forward from the front end face 45, the groove 44 is provided in the third extension portion 46, the bottom surface 461 of the third extension portion 46 and the front end face 45 form an installation space 40, and the base 11 extends into the installation space 40, that is, the bottom surface 461 and the front end face 45 respectively abut against the base 11. After the pressing plate 4 is closed, the installation space 40 can accommodate part of the base 11, which is conducive to the close fit between the pressing plate 4 and the insulating body 1.

[0045] Continue to see Figure 4 The pressing plate 4 includes a pressing surface 47 and a protrusion 48 protruding from the pressing surface 47, and the pressing surface 47 is used to abut against the tail portion 23 of the conductive terminal 2. There is a gap between the tail portions 23 of the conductive terminals 2, and the protrusion 48 extends into the gap and abuts against the bottom wall 133 of the support portion 13.

[0046] See also Figure 7 The pressing plate 4 includes an inclined surface 49, which is connected between the pressing surface 47 and the front end surface 45. By providing the inclined surface 49, a portion of space is reserved. On the one hand, when the pressing plate 4 is turned over and pressed onto the supporting portion 13 of the insulating body, interference between the pressing plate 4 and the base 11 is avoided; on the other hand, heat dissipation of the conductive terminal 2 is facilitated.

[0047] See also Figure 2The electrical connector further comprises an insulating block 6 covering the support portion 13 and the pressing plate 4 and an insulating sleeve 7 covering the insulating block 6. By providing the insulating block 6 and the insulating sleeve 7, the connection area of ​​the conductive terminal 2 and the electrical connection element 100 is isolated from the outside world, thereby achieving a waterproof effect.

[0048] The manufacturing process of the electric connector of the utility model:

[0049] S1, providing a plurality of conductive terminals 2 and an insulating body 1;

[0050] S2, assembling a plurality of conductive terminals 2 on the insulating body 1;

[0051] S3, providing a rotating shaft 5 and a pressing plate 4, passing the rotating shaft 5 through the first side wall 131, the pressing plate 4 and the second side wall 132 in sequence, with both ends of the rotating shaft 5 fixedly connected to the first side wall 131 and the second side wall 132, and the rotating shaft 5 is rotatably connected to the pressing plate 4;

[0052] S4, providing an electrical connection element 100, inserting the electrical connection element 100 into the receiving space 130 of the insulating body 1, and turning over the pressing plate 4 to close the pressing plate 4 and the insulating body 1.

[0053] The above implementation modes are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. The understanding of the present invention should be based on the technical personnel in the relevant technical field. Although the present invention has been described in detail in this specification with reference to the above implementation modes, ordinary technical personnel in the field should understand that the technical personnel in the relevant technical field can still modify or make equivalent substitutions to the present invention, and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An electrical connector, characterized in that: include: Insulating body (1); A plurality of conductive terminals (2), wherein the plurality of conductive terminals (2) are fixed to the insulating body (1); A metal shell (3), the metal shell (3) covers the insulating body (1), the insulating body (1) comprises a support portion (13), the support portion (13) extends out of the metal shell (3), the support portion (13) has a receiving space (130), the conductive terminal (2) comprises a main body (21) and a tail portion (23) connected to the main body (21), the tail portion (23) extends into the receiving space (130); A pressure plate (4), wherein the pressure plate (4) is rotatably connected to the support portion (13), the support portion (13) is provided with a mounting groove (134), the mounting groove (134) is communicated with the storage space (130), the mounting groove (134) is configured to plug in the electrical connection element (100), the pressure plate (4) and the support portion (13) are closed to press the electrical connection element (100) and the tail portion (23) of the conductive terminal (2).

2. The electrical connector according to claim 1, wherein: The support portion (13) comprises a first side wall (131), a second side wall (132) opposite to the first side wall (131), and a bottom wall (133) connecting the first side wall (131) and the second side wall (132); the first side wall (131), the second side wall (132) and the bottom wall (133) enclose the storage space (130); a rotating shaft (5) is fixed between the first side wall (131) and the second side wall (132); the pressure plate (4) is provided with a through hole (41), and the rotating shaft (5) is passed through the through hole (41).

3. The electrical connector according to claim 2, wherein: The first side wall (131) includes a first side surface (1311), the second side wall (132) includes a second side surface (1321), the first side surface (1311) and the second side surface (1321) are both exposed to the storage space (130), the first side wall (131) includes a first side groove (1312) recessed in the first side surface (1311), the second side wall (132) includes a second side groove (1322) recessed in the second side surface (1321), and the installation groove (134) includes the first side groove (1312) and the second side groove (1322).

4. The electrical connector according to claim 2, wherein: The insulating body (1) comprises a base (11), the supporting portion (13) is connected to the base (11), the first side wall (131) is provided with a first groove (1313), the second side wall (132) is provided with a second groove (1323), the first groove (1313) and the second groove (1323) are both close to the base (11), and the first extension portion (42) and the second extension portion (43) are respectively provided on both sides of the pressing plate (4), the first extension portion (42) extends into the first groove (1313), and the second extension portion (43) extends into the second groove (1323).

5. The electrical connector according to claim 4, characterized in that: The pressure plate (4) is provided with a groove (44) at one end close to the metal shell (3), and the base (11) is provided with a convex strip (111). After the pressure plate (4) and the support portion (13) are closed, the portion of the convex strip (111) extending out of the metal shell (3) extends into the groove (44).

6. The electrical connector according to claim 5, characterized in that: The pressing plate (4) comprises a front end face (45) and a third extension portion (46) extending forward from the front end face (45); the groove (44) is provided on the third extension portion (46); the bottom surface (461) of the third extension portion (46) and the front end face (45) form an installation space (40); the bottom surface (461) and the front end face (45) respectively abut against the base (11).

7. The electrical connector according to claim 1, wherein: The tail portion (23) of the conductive terminal (2) is formed with a first protrusion (231) protruding toward the electrical connection element (100).

8. The electrical connector according to claim 4, wherein: The conductive terminal (2) also includes a contact portion (22), the main body (21) connects the contact portion (22) and the tail portion (23), the insulating body (1) includes a tongue portion (12), the base (11) connects the tongue portion (12) and the support portion (13), the tongue portion (12) is provided with a plurality of slots (121), and the contact portions (22) of the plurality of conductive terminals (2) are correspondingly provided in the plurality of slots (121).

9. The electrical connector according to claim 1, wherein: It also includes an insulating block (6) covering the support portion (13) and the pressing plate (4), and an insulating sleeve (7) covering the insulating block (6).

10. The electrical connector according to claim 1, wherein: The electrical connection element (100) is a flexible flat cable or a flexible printed circuit board.

Images