CN204927581U - A crimp terminal for connecting to a PCB board - Google Patents

Abstract

The utility model relates to a crimp type terminal for connecting PCB board, this crimp type terminal include connecting portion, shoulder and crimping portion that from bottom to top set gradually, crimping portion middle part be equipped with multistage elasticity substrate, and multistage elasticity substrate in still be equipped with the support punchhole, under operating condition, crimping portion and PCB board peg graft, the lateral compression of support punchhole increase crimping portion and PCB board to tightly fix the crimp type terminal on the PCB board, form the connector, conduct electric signal. Compared with the prior art, the utility model discloses a multistage elasticity substrate and support punchhole project organization can effectively increase crimp type terminal and PCB's lateral compression, guarantee the reliable connection of signal between the electronic component, economical and practical, and the equipment is simple, need not pass through the zonulae occludens who welds the processing procedure and can realize connector and PCB board, safety and stability, convenient and fast.

Description

A crimp terminal for connecting to a PCB board

technical field

The utility model belongs to the technical field of electrical equipment connectors, and relates to a crimping terminal, in particular to a crimping terminal for connecting a PCB board.

Background technique

With the rapid development and popularization of the automobile industry in China, the integration of the automobile body control module (i.e. BodyControlModule, referred to as BCM) has been developed rapidly. Various electronic devices are used in the body with more and more functions, and the BCM controls more objects. , the function is more powerful, and the data communication function of the BCM is required to be stronger and stronger, making the bus-type and networked BCM a development trend.

At present, the demand for the use of connectors in BCM is increasing day by day. In the past, it mainly relied on imported mature products from abroad, and was constrained by existing products in terms of structure and process, which led to requirements for injection molding process, materials, tolerance and matching accuracy. Higher, resulting in high production costs, low efficiency, high scrap rate and other deficiencies, affecting large-scale mass production of products.

The crimping part of the existing crimping terminal used to connect the PCB board is generally flat and hollow. When in use, the connection between the shoulder and the crimping part is easy to bend or break, and the friction between the crimping part and the PCB board Not enough to ensure reliable connection of signals between electronic components.

Utility model content

The purpose of this utility model is to provide a crimping terminal for connecting a PCB board that is simple in structure, economical and practical, and can be reliably connected to the PCB board in order to overcome the above-mentioned defects in the prior art.

The purpose of this utility model can be achieved through the following technical solutions:

A crimping terminal for connecting a PCB board, the crimping terminal includes a connecting portion, a shoulder, and a crimping portion arranged sequentially from bottom to top, the middle part of the crimping portion is provided with a multi-section elastic base material, and the The multi-section elastic base material is also provided with supporting holes. In the working state, the crimping part is inserted into the PCB board, and the supporting holes increase the lateral extrusion between the crimping part and the PCB board, and the crimping part The terminal is tightly fixed on the PCB board to form a connector and conduct electrical signals.

The connecting part is connected to the crimping part through the shoulder part, and the crimping part is a flat crimping part.

The elastic base material is provided with four segments, which are the first segment elastic base material, the second segment elastic base material, the third segment elastic base material and the fourth segment elastic base material from bottom to top.

The supporting holes are arranged between the second section of the elastic base material and the third section of the elastic base material.

The thickness of the elastic base material is smaller than the thickness of the edge of the crimping part.

The elastic base material is an elastic base material prepared by extrusion molding.

The middle part of the crimping part of the crimping terminal of the utility model is provided with multi-section elastic base materials and supporting holes, which can provide elasticity and increase the lateral extrusion between the crimping terminal and the PCB board, thus ensuring reliable connection of signals between electronic components. The assembly is simple, and the tight connection between the connector and the PCB board can be realized without soldering process, and it is used to conduct electrical signals. In addition, the connector is replaceable. If the connector is damaged during use, it can be directly removed from the PCB board. Remove and replace with a new connector.

Compared with the prior art, the utility model has the following characteristics:

1) Using multi-segment elastic base material, its elasticity is enhanced, which can provide better elasticity, thus ensuring the reliable connection of signals between electronic components;

2) A support hole is set in the middle of the crimping part, which can effectively increase the lateral extrusion between the crimping terminal and the PCB, thus ensuring the reliable connection of signals between electronic components;

3) The structure is simple, economical and practical, and the assembly is simple. The tight connection between the connector and the PCB board can be realized without soldering process, which is safe, stable, convenient and fast.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the utility model;

Fig. 2 is the cross-sectional structural schematic diagram of the utility model inserted into the PCB board and being squeezed and deformed;

Fig. 3 is a schematic diagram of the main view structure of the utility model;

Fig. 4 is a schematic diagram of the cross-sectional structure of the D-D plane in Fig. 3;

Instructions for marks in the figure:

1—connecting part, 2—shoulder, 3—crimping portion, 4—PCB board, 5—the first section of elastic substrate, 6—the second section of elastic substrate, 7—the third section of elastic substrate, 8— The fourth elastic substrate, 9—support eyelets.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example 1:

As shown in Figure 1-4, a crimping terminal for connecting a PCB board includes a connection part 1, a shoulder part 2 and a crimping part 3 arranged in sequence from bottom to top. material, and the multi-section elastic base material is also provided with supporting holes 9, in the working state, the crimping part 3 and the PCB board 4 are inserted, and the supporting holes 9 increase the lateral extrusion of the crimping part 3 and the PCB board 4, and Firmly fix the crimping terminal on the PCB 4 to form a connector for conducting electrical signals.

Wherein, the connecting part 1 is connected to the crimping part 3 through the shoulder part 2, and the crimping part 3 is a flat crimping part; there are four sections of the elastic base material, and the first section of the elastic base material 5 is sequentially arranged from bottom to top. , the second section of elastic base material 6 , the third section of elastic base material 7 and the fourth section of elastic base material 8 , the supporting holes 9 are arranged between the second section of elastic base material 6 and the third section of elastic base material 7 .

The thickness of the elastic base material is smaller than the thickness of the edge of the crimping part 3 , and the elastic base material is an elastic base material prepared by extrusion molding.

The middle part of the crimping part 3 of the crimping terminal in this embodiment is provided with four sections of elastic substrates and supporting holes 9 to provide elasticity, which can increase the lateral extrusion between the crimping terminal and the PCB board 4, thus ensuring the signal connection between the electronic components. Reliable connection, simple assembly, the tight connection between the connector and the PCB board 4 can be realized without soldering process, and it is used to conduct electrical signals. In addition, the connector is replaceable. If the connector is damaged during use, it can be replaced. Just remove it from the PCB board 4 and replace it with a new connector.

Claims (6)

1. the crimp type terminal for connecting PCB board, this crimp type terminal comprises the connecting portion, shoulder and the pressure contact portion that set gradually from bottom to top, it is characterized in that, multistage elastic substrate is provided with in the middle part of described pressure contact portion, and be also provided with support eyelet in described multistage elastic substrate, in working order, described pressure contact portion and pcb board grafting, described support eyelet increases the transverse shear stress of pressure contact portion and pcb board, and crimp type terminal is tightly fixed on pcb board, form connector, conductive electrical signal.

2. a kind of crimp type terminal for connecting PCB board according to claim 1, is characterized in that, described connecting portion is connected with pressure contact portion through shoulder, and described pressure contact portion is flat pressure contact portion.

3. a kind of crimp type terminal for connecting PCB board according to claim 1, it is characterized in that, described elastic substrate is provided with four sections altogether, is followed successively by first paragraph elastic substrate, second segment elastic substrate, the 3rd section of elastic substrate and the 4th section of elastic substrate from bottom to top.

4. a kind of crimp type terminal for connecting PCB board according to claim 3, is characterized in that, described support eyelet is arranged between second segment elastic substrate and the 3rd section of elastic substrate.

5. a kind of crimp type terminal for connecting PCB board according to claim 1 or 3, is characterized in that, the thickness of described elastic substrate is less than the thickness at pressure contact portion edge.

6. a kind of crimp type terminal for connecting PCB board according to claim 5, is characterized in that, described elastic substrate is the elastic substrate be prepared from by extrusion modling.