CN210723402U

CN210723402U - Welding-free connector plugging structure

Info

Publication number: CN210723402U
Application number: CN201921998988.XU
Authority: CN
Inventors: 夏斌; 黄发勤
Original assignee: Huang Yu Precision Press Components Kunshan Co ltd
Current assignee: Huangyu precision technology (Suzhou) Co.,Ltd.
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-09
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a welding-free connector plugging structure, which comprises an integrally formed connector, wherein the connector comprises a terminal strength part, a holding force part, a transition part and an insertion part which are connected in sequence, and the terminal strength part, the holding force part, the transition part and the insertion part are arranged along the same straight line direction; the thicknesses of the holding force part, the transition part and the insertion part are the same, the width of the transition part is larger than that of the insertion part, the width of the transition part is larger than that of the holding force part, and a plurality of tooth grooves are formed in the width direction surface of the holding force part; the width direction surface of the insertion part, the width direction surface of the transition part and the width direction surface of the holding force part are sequentially contacted with the PCB hole and inserted into the PCB hole, and the width direction surface of the insertion part, the width direction surface of the transition part and the width direction surface of the holding force part are elastically deformed when being respectively contacted with the PCB hole; the utility model discloses a connector accessible injection moulding integrated into one piece preparation, simple manufacture is convenient when designing.

Description

Welding-free connector plugging structure

Technical Field

The utility model relates to a connector technical field, concretely relates to welding-free connector connects plug structure.

Background

The main connection modes of the electronic connector and the PCB include a press-fit type connector, which has low cost, high efficiency, and simple operation, and is widely used, wherein the connector is the most widely used terminal structure. As shown in fig. 1, the connector produced by this company has the advantages of simple structure and easy plugging and unplugging by compressing the elastic sheet through the PCB hole to generate a holding force to connect the PCB circuit, but the connector has a larger dimension in the forming direction than in the thickness direction (the elastic sheet in the forming direction and the elastic sheet perpendicular to the forming direction are designed), and is not suitable for being molded by an injection molding process, the manufacturing process is complicated, the production cost is high, and the connector has the problem of insufficient hardness in the using process.

Disclosure of Invention

An object of the utility model is to provide a exempt from welding connector and connect plug structure to solve the complicated, the higher problem of manufacturing cost of connector preparation technology among the prior art.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a welding-free connector plugging structure comprises an integrally formed connector, wherein the connector comprises a terminal strength part, a holding force part, a transition part and an insertion part which are sequentially connected, and the terminal strength part, the holding force part, the transition part and the insertion part are arranged along the same straight line direction;

the thicknesses of the holding force part, the transition part and the insertion part are the same, the width of the transition part is larger than that of the insertion part, the width of the transition part is larger than that of the holding force part, and a plurality of tooth grooves are arranged on the width direction surface of the holding force part;

the width direction face of the insertion portion, the width direction face of the transition portion and the width direction face of the retention portion are sequentially contacted with the PCB plate holes to be inserted into the PCB plate holes, and elastic deformation can occur when the width direction face of the insertion portion, the width direction face of the transition portion and the width direction face of the retention portion are respectively contacted with the PCB plate holes.

The pre-inserting part is connected with the inserting part, the pre-inserting part and the inserting part are arranged along the same linear direction, and the width of the pre-inserting part is smaller than that of the inserting part. The width of the pre-insertion part is smaller than that of the insertion part, so that the pre-insertion part can be more conveniently inserted into a hole of the PCB.

Further, the pre-insertion part and the insertion part are integrally formed. The integral forming manufacturing is simple and convenient, and the time is saved.

Furthermore, the thickness direction surfaces of the holding force part, the transition part and the insertion part are all provided with strength holes.

Further, the holding force portion, the transition portion, and the insertion portion are provided with elastic holes penetrating through the surface in the thickness direction. The resilient aperture is provided to provide assurance of resilient deformation of the retention portion, transition portion and insertion portion.

Further, the width of the terminal strength portion is larger than that of the holding force portion, the thickness of the terminal strength portion is the same as that of the holding force portion, and a connecting chamfer is arranged at the connecting position of the terminal strength portion and the holding force portion. Connect the chamfer be the arc, design the junction of terminal intensity portion and holding power portion for the arc has guaranteed the structural strength of junction.

Further, the terminal strength portion is square in shape.

Further, the connector is made of brass, phosphor copper or iron. Other materials with better ductility and fatigue resistance can be selected; the material can be selected to enable the connector to meet the use requirement, and the connector has a long service life.

According to the above technical scheme, the embodiment of the utility model has following effect at least:

1. the connector of the utility model adopts the design of the same thickness for the retention part, the transition part and the insertion part during the design, the manufacture is convenient, the connector can be manufactured by injection molding and integral molding, the manufacture is simple, and the cost is saved; the insertion part with small width is firstly contacted with the PCB hole for convenient insertion, the PCB hole is contacted with the holding force part after entering, the tooth socket on the holding force part increases the holding force, and the width of the transition part is larger than that of the holding force part, so that the possibility of falling off of the connector is reduced;

2. all be equipped with the intensity hole on the thickness direction face of holding power portion, transition portion and insertion part, the setting in intensity hole has increased the surperficial hardness of connector, has increased holistic intensity, has improved holistic life.

Drawings

FIG. 1 is a schematic diagram of a connector of the prior art;

FIG. 2 is a schematic view of a connector according to an embodiment of the present invention;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a left side view of FIG. 2;

fig. 5 is a schematic diagram of the embodiment of the present invention connecting the connector and the hole of the PCB board.

Wherein: 1. a terminal strength portion; 2. a holding force part; 3. a transition section; 4. an insertion portion; 5. a pre-insertion part; 6. a tooth socket; 7. an elastic hole; 8. a strength hole; 9. and connecting and chamfering.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 3, a welding-free connector connects socket structure, the utility model provides a connector can adopt integrative injection moulding preparation because of the structural feature of self, and the preparation is convenient with low costs, increases tooth's socket 6 through the left and right sides at the holding power portion of being connected with the PCB diaphragm orifice, has increased the holding power, makes this connector and PCB diaphragm orifice connect more firm, its the utility model discloses intensity hole 8 has been beaten on the upper and lower surface of connector, has increased the holistic intensity of connector.

As shown in fig. 2 to 5, the connector includes a terminal strength portion 1, a retention portion 2, a transition portion 3, an insertion portion 4, and a pre-insertion portion 5, which are connected in this order from top to bottom. The terminal strength portion 1, the holding force portion 2, the transition portion 3, the insertion portion 4, and the pre-insertion portion 5 are the same in thickness, and the holding force portion 2, the transition portion 3, the insertion portion 4, and the pre-insertion portion 5 are disposed in a vertically downward direction. The design can lead the insertion to be carried out smoothly, and is convenient for the integral injection molding manufacture, thereby providing convenience for the manufacture.

When the connector is inserted into a PCB hole, the left side and the right side of the pre-insertion part 5 are firstly contacted with the PCB hole, then the left side and the right side of the insertion part 4 and the left side and the right side of the transition part 3 are sequentially contacted, and finally the PCB hole is contacted with the left side and the right side of the holding force part 2 and is held at the position. In the design, the width of the preliminary insertion portion 5 (the width direction is the left-right direction in fig. 3) is smaller than the width of the insertion portion 4, and the widths of the width portion 4 and the holding force portion 2 are smaller than the width of the transition portion 3. The width of the pre-insertion part 5 is small, so that the device can be conveniently inserted into a PCB hole, and the width of the transition part 3 is large so as to prevent the connected connector from being separated from the retaining force part 2. In order to increase the contact effect of the holding force part 2 and the PCB hole, seven tooth grooves 6 are further arranged in the left-right direction of the holding force part 2, the intervals among the seven tooth grooves 6 are the same, friction is increased when the PCB hole and the connector are in contact due to the arrangement of the tooth grooves 6, the contact holding force of the PCB hole and the connector is increased, and the possibility that the connector falls off from the PCB is reduced.

As shown in fig. 3, the connector body is further provided with an elastic hole 7, and the elastic hole 7 penetrates through the front and rear surfaces of the connector. The position of the elastic hole 7 is set at the middle of the transition portion 3, the holding force portion 2 and the insertion portion 4, and the length direction of the elastic hole 7 is the same as the insertion direction of the connector. The resilient hole 7 is provided in order to give the transition portion 3, the retention portion 2 and the insertion portion 4 sufficient resilience. The elasticity of the three parts can be determined according to the width of the elastic hole 7, and the larger the width is, the larger the elasticity of the three parts is. The utility model discloses well elastic hole 7 design is for lining up the hole of lower surface, the production preparation of being convenient for, can directly adopt the punching press preparation.

As shown in fig. 3, strength holes 8 are formed in the front and rear surfaces of the holding portion 2, the transition portion 3, and the insertion portion 4, the number of strength holes 8 is large, the diameter of the strength hole 8 is small, and the strength holes 8 increase the hardness of the surface of the connector and improve the strength of the whole connector. In the utility model, the terminal strength part 1 is square, the width of the terminal strength part 1 is the largest, and the width of the terminal strength part 1 is 1.6 mm; the left and right side surfaces of the holding force part 2 and the insertion part 4 are both in a gradual change shape, the maximum width is 1mm, and the minimum width is 0.7 mm; the left side surface and the right side surface of the transition part 3 are gradually changed, the maximum width is 1.2mm, and the minimum width is 1 mm; the maximum width of the pre-inserting part 5 is 0.7mm, and the minimum width is 0.3 mm; the thickness of the connector as a whole was 0.6 mm. The junction of terminal intensity portion 1 and holding power portion 2 is equipped with convex connection chamfer 9, and convex connection chamfer 9 can increase joint strength between them, guarantees holistic life.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A welding-free connector plugging structure is characterized by comprising an integrally formed connector, wherein the connector comprises a terminal strength part, a holding force part, a transition part and an insertion part which are sequentially connected, and the terminal strength part, the holding force part, the transition part and the insertion part are arranged along the same straight line direction;

2. The connector receiving structure according to claim 1, further comprising a pre-insertion portion, wherein the pre-insertion portion is connected to the insertion portion, the pre-insertion portion and the insertion portion are arranged along a same linear direction, and a width of the pre-insertion portion is smaller than a width of the insertion portion.

3. The connector receiving structure according to claim 2, wherein the pre-insertion portion and the insertion portion are integrally formed.

4. The connector receiving structure according to claim 1, wherein the retaining portion, the transition portion, and the insertion portion are each provided with a strength hole in a thickness direction thereof.

5. The connector receiving structure according to claim 1, wherein the retaining portion, the transition portion, and the insertion portion are provided with elastic holes penetrating through a thickness direction surface in a thickness direction.

6. The connector inserting structure according to claim 1, wherein a width of the terminal strength portion is larger than a width of the holding force portion, a thickness of the terminal strength portion is the same as a thickness of the holding force portion, and a connection chamfer is provided at a connection portion of the terminal strength portion and the holding force portion.

7. The connector receiving structure according to claim 1, wherein the terminal strength portion is square in shape.

8. The connector receiving structure of claim 1, wherein the connector is made of brass, phosphor copper or iron.