CN217882121U

CN217882121U - Improved positive and negative plug-in type connector

Info

Publication number: CN217882121U
Application number: CN202221942898.0U
Authority: CN
Inventors: 王亿新
Original assignee: Guangdong Daying Electronic Technology Co ltd
Current assignee: Guangdong Daying Electronic Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-22
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to the technical field of connectors, in particular to an improved positive and negative plug-in type connector, which comprises a shell, a terminal group and a main body, wherein the main body comprises an extension part and a fixed part which are integrally formed, and the main body also comprises a plurality of through holes which are all communicated with the extension part and the fixed part; the terminal group comprises a plurality of terminals; a pin extends from one end of each terminal located at the fixing part; the fixing part is provided with a first groove, the shell is provided with a first lug, the fixing part is also provided with a second lug, and the shell is provided with a first concave position; the fixing part is also provided with a second concave position, and the shell is bent with a bending strip. The structure is simple, and the front side and the back side can be plugged; the adoption is provided with the mode of through-hole in the main part to let the terminal can peg graft and realize the equipment in the main part fixedly, the terminal need not to be influenced the performance by injection moulding's process, has guaranteed the finished product quality of connector, and the mode of pegging graft helps improving production efficiency. The effect of quick assembly can be achieved.

Description

Improved positive and negative plug-in type connector

Technical Field

The utility model relates to a connector technical field, concretely relates to positive and negative plug-in type connector of modified.

Background

Connectors, also known as circuit connectors, are used to interconnect two electronic devices, and conventionally used connectors are USB connectors. Type-C is a kind of USB connector, and the way of setting up the terminal in the present connector mostly forms the fixing base around the terminal by injection molding, and such a way technology is tedious, and the process of moulding plastics easily causes the performance degradation of terminal because of the influence of high temperature moreover, and the defective products rate increases, therefore, the problem needs to be solved urgently.

Disclosure of Invention

The utility model aims at the above-mentioned not enough among the prior art, provide a positive and negative plug-in type connector of modified.

In order to achieve the above purpose, the specific scheme of the utility model is as follows: an improved positive and negative plug-in type connector comprises a shell, a terminal group and a main body, wherein the shell is sleeved on the outer surface of the main body, the main body comprises an extension part and a fixing part, the extension part and the fixing part are integrally formed, the outer surface of the extension part and the inner surface of the shell are arranged at intervals, the main body further comprises a plurality of through holes which are communicated with the extension part and the fixing part, and the through holes are arranged at intervals; the terminal group comprises a plurality of terminals, the number of the terminals is the same as that of the through holes, and the terminals are all inserted into the through holes; a pin extends from one end of each terminal located at the fixing part; the fixing part is detachably connected with the shell, a plurality of first grooves are formed in the outer surface of the fixing part, a plurality of first convex blocks which are matched and abutted with the grooves are arranged on the inner surface of the shell, a plurality of second convex blocks are further arranged on the outer surface of the fixing part, and a plurality of first concave positions which are matched and clamped with the second convex blocks are formed in the shell; the surface of fixed part still is equipped with the concave position of second, and the shell is buckled and is had the strip of buckling that is used for with the concave position cooperation joint of second.

Furthermore, positioning columns are arranged on the outer surface of the fixing portion at intervals.

Furthermore, the outer surface of the shell is provided with a plurality of plug pins which are symmetrically arranged at two sides of the outer surface of the shell.

Furthermore, two terminals respectively located the main part both sides in the terminal group all extend and have the card hook piece, and the both sides of extension all are equipped with the opening that is used for with card hook piece cooperation butt.

Furthermore, each pin is bent, and the plurality of pins are positioned on the same side of the fixing part and protrude out.

Furthermore, the fixing part is provided with a second groove used for accommodating the pin, and the second groove is communicated with the through hole.

The utility model has the advantages that: the plug-in type plug-in connector is simple in structure, and the front side and the back side can be plugged; the adoption is provided with the mode of through-hole in the main part to let the terminal can peg graft and realize the equipment in the main part fixedly, the terminal need not to be influenced the performance by injection moulding's process, has guaranteed the finished product quality of connector, and the mode of pegging graft helps improving production efficiency. The effect of quick assembly can be achieved.

Drawings

Fig. 1 is a schematic structural diagram of an improved front-back plug-in connector according to the present application.

Fig. 2 is a schematic view of an improved front-to-back plug connector according to the present invention at another angle.

Fig. 3 is a schematic view of an improved reversible plug connector of the present application with the housing omitted.

Fig. 4 is a schematic structural diagram of the terminal set of an improved front-back plug-in connector according to the present application.

Reference numerals:

1. a housing; 11. a first bump; 12. a first concave position; 13. bending the strip; 14. a pin; 2. a main body; 21. an extension portion; 22. a fixed part; 23. a first groove; 24. a second bump; 25. a second concave position; 26. a positioning column; 27. an opening; 28. a second groove; 3. a terminal; 31. a hook member; 32. and (7) a pin.

Detailed Description

The invention will be further described with reference to the following examples.

Referring to fig. 1-4, an improved front-back plug-in connector includes a housing 1, a terminal 3 set and a main body 2, the housing 1 is sleeved on an outer surface of the main body 2, the main body 2 includes an extending portion 21 and a fixing portion 22, the extending portion 21 and the fixing portion 22 are integrally formed, and the outer surface of the extending portion 21 and the inner surface of the housing 1 are spaced apart from each other. Therefore, the front side and the back side of the connector can be plugged. Specifically, the main body 2 may be made of a plastic material.

The main body 2 further includes a plurality of through holes each communicating with the extension portion 21 and the fixing portion 22, and the plurality of through holes are arranged at intervals. The terminal 3 group comprises a plurality of terminals 3, the number of the terminals 3 is the same as that of the through holes, and the terminals 3 are all inserted into the through holes; one end of each terminal 3 located at the fixing portion 22 extends with a pin 32, and the pin 32 is used for soldering with an external PCB to achieve communication connection.

The fixing portion 22 is detachably connected with the housing 1, a plurality of first grooves 23 are formed in the outer surface of the fixing portion 22, and a plurality of first protruding blocks 11 used for being abutted to the grooves in a matched mode are formed in the inner surface of the housing 1. Specifically, the number of the first grooves 23 is 4, and the number of the first protrusions 11 is 4. This arrangement allows the housing 1 to be connected to the fixing portion 22.

The outer surface of the fixing portion 22 is further provided with a plurality of second protruding blocks 24, and the housing 1 is provided with a plurality of first concave positions 12 for being matched and clamped with the second protruding blocks 24. Thus, the first groove 23 is matched with the first convex block 11, and the second convex block 24 is matched with the first concave position 12, so that the effect of cross riveting between the main body 2 and the shell 1 is realized, and the connection stability is further improved. The number of the second protrusions 24 is 2, and the number of the first pits 12 is 2.

The outer surface of the fixing portion 22 is further provided with a second concave portion 25, and the housing 1 is bent to form a bending strip 13 for being matched and clamped with the second concave portion 25. This arrangement allows the housing 1 to be positioned when connected to the body 2. The number of the second concave positions 25 is 2, and the number of the bending strips 13 is 2.

Specifically, the number of the terminals 3 is at least 5, and the number of the through holes is also 5. Further, the number of the terminals 3 and the number of the through holes can be increased or decreased according to actual requirements. The flexibility is high.

This application adopts the mode that is provided with the through-hole at main part 2 to let terminal 3 can peg graft and realize the equipment in main part 2 fixed, terminal 3 need not to be influenced the performance by injection moulding's process, has guaranteed the finished product quality of connector, and the mode of pegging graft helps improving production efficiency. The effect of quick assembly can be achieved.

In this embodiment, the outer surface of the fixing portion 22 is provided with positioning posts 26 at intervals. Thus, the positioning posts 26 can be inserted into the preset positioning holes when the connector is mounted on an external circuit board such as a PCB. The positioning function is realized.

In this embodiment, the outer surface of the housing 1 is provided with a plurality of pins 14, and the plurality of pins 14 are symmetrically disposed on two sides of the outer surface of the housing 1. The pins 14 are inserted into the pre-set holes of the PCB, thereby achieving a stable mounting effect. Specifically, the number of the plug pins 14 is 4, and the effect of left-right balanced installation is achieved.

In this embodiment, the two terminals 3 of the terminal 3 set respectively located at two sides of the main body 2 are extended with the hook member 31, and two sides of the extending portion 21 are provided with the openings 27 for being abutted with the hook member 31. The opening 27 communicates with the through hole, and this arrangement makes it possible to securely insert the terminal 3 into the through hole.

In this embodiment, each of the leads 32 is bent, and the leads 32 are located on the same side of the fixing portion 22 and protrude out. This arrangement facilitates soldering of the pins 32 on the same side to the PCB.

In this embodiment, the fixing portion 22 is provided with a second groove 28 for accommodating the pin 32, and the second groove 28 is communicated with the through hole. The provision of second recess 28 to receive pin 32 helps to protect pin 32.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a positive and negative plug-in type connector of modified, characterized in that, including shell (1), terminal (3) group and main part (2), the surface of main part (2) is located in shell (1) cover, main part (2) include extension portion (21) and fixed part (22), extension portion (21) and fixed part (22) integrated into one piece, the surface of extension portion (21) and the internal surface interval of shell (1) set up, main part (2) still include all communicate in a plurality of through-hole of extension portion (21) and fixed part (22), a plurality of through-hole interval sets up; the terminal (3) group comprises a plurality of terminals (3), the number of the terminals (3) is the same as that of the through holes, and the terminals (3) are all inserted into the through holes; one end of each terminal (3) positioned on the fixing part (22) extends to form a pin (32); the fixing part (22) is detachably connected with the shell (1), a plurality of first grooves (23) are formed in the outer surface of the fixing part (22), a plurality of first convex blocks (11) which are matched and abutted with the grooves are formed in the inner surface of the shell (1), a plurality of second convex blocks (24) are further formed in the outer surface of the fixing part (22), and a plurality of first concave positions (12) which are matched and clamped with the second convex blocks (24) are formed in the shell (1); the outer surface of fixed part (22) still is equipped with second concave position (25), and shell (1) is buckled and is had bending strip (13) that are used for with second concave position (25) cooperation joint.

2. An improved positive-negative plug connector according to claim 1, wherein the outer surface of the fixing portion (22) is spaced from the positioning posts (26).

3. An improved reversible plug-in connector according to claim 1, characterized in that the outer surface of the housing (1) is provided with a plurality of plug-in pins (14), and the plurality of plug-in pins (14) are symmetrically arranged on both sides of the outer surface of the housing (1).

4. An improved positive-negative plug-in connector according to claim 1, characterized in that the two terminals (3) of the terminal (3) set located on both sides of the main body (2) respectively have a hook member (31) extending therefrom, and the extending portion (21) has openings (27) formed on both sides thereof for engaging and abutting with the hook member (31).

5. An improved positive-negative plug connector according to claim 1, wherein each pin (32) is bent and protrudes from the same side of the fixing portion (22).

6. An improved positive-negative insertion connector according to claim 1, wherein the fixing portion (22) is provided with a second recess (28) for receiving the pin, the second recess (28) communicating with the through hole.