CN219779243U - Puncture type phosphorus copper terminal - Google Patents

Abstract

The utility model relates to the technical field of conductive terminals and discloses a puncture-type phosphorus-copper terminal which comprises a connecting part and a clamping part connected with the connecting part, wherein the clamping part is provided with an end pin for clamping an external substrate, the upper side surface and the lower side surface of the connecting part are provided with puncture grooves extending to the end heads, and the left side surface and the right side surface of the connecting part are provided with outwards bent elastic sheets. The elastic sheets on the left side and the right side of the connecting part can be abutted on the shell to play a limiting role, the elastic sheets have a certain elastic deformation space, and when the insulation layers of the wires are pierced by the piercing grooves, the piercing force of the piercing grooves can be greatly enhanced by the elastic force generated by the elastic sheets on the left side and the right side, the insulation layers of the wires are ensured to be pierced, and the stability of connection between the piercing type phosphorus copper terminal and the wires is improved.

Description

Puncture type phosphorus copper terminal

Technical Field

The utility model relates to the technical field of conductive terminals, in particular to a puncture type phosphorus copper terminal.

Background

The phosphorus copper material has the characteristics of good conductivity, high elasticity, fatigue resistance, high strength, high elongation and the like, has the production advantages of high quality of punching and shearing sections, small burrs and the like, and is widely and largely applied to industries such as precision connectors, relays, automobile electronics, intelligent household appliances, medical electronics and the like with elasticity requirements.

The connector is capable of realizing connection of a plurality of wires with external electrical components such as a PCB circuit board, an electrical connector, etc. in an electronic product, wherein an indispensable part is a connection terminal. Conventional connecting terminal is like CN216624618U discloses an integral type phosphorus copper terminal, including linkage segment, interlock section and processing section, processing section includes first arc section and second arc section, and this scheme is to utilizing first arc section and second arc section to carry out the centre gripping to the wire, needs to get rid of the insulating layer of wire in advance, and the degree of difficulty of assembly is great. Another conventional electrical connection terminal is a piercing terminal, for example, CN210517074U discloses a piercing connector terminal, which includes a main body, a piercing end and a clamping end for clamping an external terminal, where the structure can pierce an insulating layer of an external wire by using the piercing end to connect, and the insulating layer of the wire does not need to be removed in advance, but only the piercing gap of the piercing end is required to pierce, so that the piercing force is small, and when the insulating layer of the wire is not completely pierced, a virtual connection condition occurs, thereby affecting the quality of the product.

Disclosure of Invention

The purpose of the utility model is that: the puncture type phosphorus-copper terminal is high in puncture force and high in connection stability.

In order to achieve the above purpose, the utility model provides a piercing phosphor copper terminal, which comprises a connecting part and a clamping part connected with the connecting part, wherein the clamping part is provided with an end pin for clamping an external substrate, the upper side surface and the lower side surface of the connecting part are provided with piercing grooves extending to the end heads, and the left side surface and the right side surface of the connecting part are provided with elastic sheets which are bent outwards.

As a preferable technical scheme, the distance from the bending part of the elastic sheet to the end head of the connecting part is smaller than the length of the puncture groove.

As a preferable technical scheme, the end edge of the elastic sheet is provided with an arc surface.

As the preferable technical scheme, the connecting part and the clamping part are integrally formed by stamping, and the connecting part and the clamping part are made of phosphor copper.

As a preferable technical scheme, the material thickness of the connecting part and the clamping part is 0.3mm to 0.6mm.

Preferably, the puncture groove comprises a chamfer section, and the chamfer section is provided with a chamfer surface which is inclined from outside to inside.

As the preferable technical scheme, the puncture groove further comprises a limiting section, wherein the limiting section is positioned at the end position of the connecting part, and the width of the limiting section is larger than that of the beveling section.

As a preferable technical scheme, the puncture groove further comprises a guide section, wherein the guide section is positioned between the limiting section and the beveling section, and the guide section is provided with a guide inclined surface which is inclined from the limiting section to the beveling section.

As the preferable technical scheme, the middle part of the terminal pin is arranged in a way of expanding and bending towards the outer side, so that the middle part of the terminal pin forms a clamping structure.

As a preferable technical scheme, the distance between the two terminal pins is smaller than the width of the connecting part.

Compared with the prior art, the puncture-type phosphorus copper terminal provided by the utility model has the beneficial effects that: when the puncture type phosphorus copper terminal is arranged on the connector shell, the elastic pieces on the left side surface and the right side surface of the connecting part can be abutted on the shell to play a limiting role, and the elastic pieces have a certain elastic deformation space. Finally, the terminal pins of the clamping parts are used for clamping and connecting external electric elements such as a PCB, so that the connection function of the lead wires and the external electric elements is realized.

Drawings

Fig. 1 is a schematic perspective view of a piercing phosphor copper terminal according to an embodiment of the present utility model.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 3 is a schematic cross-sectional view of a piercing phosphor copper terminal according to an embodiment of the present utility model.

In the figure: 10. a connection part; 11. puncturing the groove; 12. an elastic sheet; 13. an arc surface; 14. a chamfer section; 15. a limiting section; 16. a guide section;

20. a clamping part; 21. an end pin;

30. a connector housing.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that terms such as "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the description of the present utility model to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and should not be construed as limiting the utility model, except as may be shown based on the drawings.

It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 and 3, a puncture-type phosphor-copper terminal according to a preferred embodiment of the present utility model includes a connection portion 10 and a clamping portion 20 connected to the connection portion 10, wherein the clamping portion 20 is provided with a terminal pin 21 for clamping an external substrate, the upper and lower sides of the connection portion 10 are provided with a puncture groove 11 extending to the terminal, and the left and right sides of the connection portion 10 are provided with an outwardly bent elastic piece 12.

Based on the above technical scheme, when the puncture-type phosphor copper terminal is mounted on the connector housing 30, the elastic pieces 12 on the left and right sides of the connection portion 10 can abut against the housing to play a limiting role, and the elastic pieces 12 have a certain elastic deformation space, so that when the puncture groove 11 punctures the insulation layer of the wire, the puncture force of the puncture groove 11 can be greatly enhanced by the elastic force generated by the elastic pieces 12 on the left and right sides, the insulation layer of the wire is ensured to be punctured, and the connection stability of the puncture-type phosphor copper terminal and the wire is improved. Finally, the external electrical component such as a PCB is clamped and connected by the terminal pins 21 of the clamping portion 20, so as to realize the connection function between the wires and the external electrical component.

As shown in fig. 3, the puncture-type phosphor copper terminal according to the present embodiment is applied to the hole site of the connector housing 30, and the left and right sides of the hole site are provided with a side wall surface that abuts against the elastic piece 12 to generate elastic force, and a step wall surface that abuts against the elastic piece 12 to limit, so that the puncture-type phosphor copper terminal can be punctured and connected inside the hole site of the connector housing 30.

In this embodiment, as shown in fig. 1, the distance from the bent position of the elastic sheet 12 to the end of the connecting portion 10 is smaller than the length of the piercing slot 11, that is, the bent position of the elastic sheet 12 corresponds to the middle position of the piercing slot 11, and when the piercing slot 11 is opened by a wire, the elastic force generated by the elastic sheet 12 can directly act on the wire, so as to further enhance the piercing force.

In this embodiment, the end edge of the elastic piece 12 is provided with an arc surface 13, and the arc surface 13 facilitates the elastic piece 12 to swing to generate elastic force, so as to avoid being blocked on the step wall surface of the connector housing 30. Furthermore, the connecting portion 10 and the clamping portion 20 are integrally formed by stamping, the connecting portion 10 and the clamping portion 20 are made of phosphor copper, a metal plate with a set shape is formed by stamping, a bending process is utilized to form the terminal, a bent gap is located on the side face (not labeled in the drawing) of the terminal, and good rebound resilience is ensured by quenching treatment. The phosphorus copper material has the characteristics of good conductivity, high elasticity, fatigue resistance, high strength, high elongation and the like, so that the puncture-type phosphorus copper terminal has better performances in various aspects of reliability, conductivity, temperature rise during working and the like. The thickness of the material of the connecting portion 10 and the clamping portion 20 is 0.3mm to 0.6mm, and the elastic force of the elastic sheet 12 increases the piercing force, so that the thickness of the material can be reduced to a certain extent, thereby reducing the production cost.

In this embodiment, as shown in fig. 2, the piercing slot 11 includes a chamfer 14, the chamfer 14 is provided with a chamfer that is inclined from outside to inside, and the chamfer of the chamfer 14 is used to form a structure similar to a cutting edge, that is, the insulating layer of the wire is more easily pierced by the cutting edge of the chamfer, so that the piercing effect of the wire can be further improved.

Further, the puncture groove 11 further includes a limiting section 15, the limiting section 15 is located at the end position of the connecting portion 10, the width of the limiting section 15 is greater than the width of the beveling section 14, and in the process of puncturing and connecting the wires, the limiting section 15 plays a role in limiting the wires, so as to ensure that each wire contacts with the corresponding puncture groove 11.

Still further, the puncture groove 11 further includes a guiding section 16, the guiding section 16 is located between the limiting section 15 and the beveling section 14, the guiding section 16 is provided with a guiding inclined plane inclined from the limiting section 15 toward the beveling section 14, the guiding section 16 is used for facilitating guiding to move from the limiting section 15 into the beveling section 14 for puncture connection, the guiding inclined plane can connect the limiting section 15 and the beveling section 14 with different widths, and the guiding inclined plane plays a guiding role in the moving process of the wire, so as to avoid being blocked in the limiting section 15.

In this embodiment, as shown in fig. 1 and 2, the end leg 21 is formed by expanding and bending the middle portion toward the outer side, so that the middle portion of the end leg 21 forms a clamping structure. The terminal pins 21 are arranged in a bent shape, and when the external electric element supports the terminal pins 21, the terminal pins 21 can form elastic force, so that the clamping effect is realized. The distance between the two terminal pins 21 is smaller than the width of the connecting portion 10, that is, the outer dimension of the clamping portion 20 is smaller than the outer dimension of the connecting portion 10, and when the puncture-type phosphor-copper terminal is installed, the clamping portion 20 is utilized to penetrate through the hole site of the connector housing 30, so as to be assembled on the connector housing 30.

In summary, the puncture-type phosphor copper terminal provided by the utility model has the following advantages: (1) The left and right sides of the connecting part 10 are provided with the outwards bent elastic pieces 12, which can play a limiting role, and in the process of puncturing connection, the elastic force can be provided to strengthen the puncturing force, ensure the insulation layer of the punctured wire, realize stable connection and reduce the defective rate of products; (2) The bending position of the elastic sheet 12 corresponds to the middle position of the puncture groove 11, and the elastic force can directly act on the guide wire, so that the puncture force is further enhanced; (3) The puncture groove 11 comprises a chamfer section 14, a limit section 15 and a guide section 16, so that greater convenience is provided for the assembly process, and the working efficiency is improved.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims (10)

1. The utility model provides a puncture formula phosphorus copper terminal, its characterized in that includes connecting portion and with the clamping part that connecting portion links to each other, the clamping part is equipped with the terminal pin of the external base plate of centre gripping, the upper and lower side of connecting portion is equipped with the puncture groove that extends to the end, the left and right sides face of connecting portion is equipped with the elastic slice of outwards bending.

2. The pierce phosphor copper terminal of claim 1, wherein a distance from a bend of said resilient piece to a tip of said connecting portion is less than a length of said pierce slot.

3. The piercing phosphor-copper terminal of claim 1, wherein the terminal edge of the spring piece is provided with an arcuate surface.

4. The piercing phosphor-copper terminal of claim 1, wherein the connecting portion and the clamping portion are integrally formed by stamping, and the connecting portion and the clamping portion are made of phosphor-copper.

5. The piercing phosphor copper terminal of claim 4, wherein a material thickness of said connecting portion and said clamping portion is 0.3mm to 0.6mm.

6. The piercing phosphor-copper terminal of claim 1, wherein said piercing slot includes a chamfer section provided with a chamfer surface that is inclined from the outside to the inside.

7. The pierce phosphor copper terminal of claim 6, wherein said pierce slot further comprises a stop section, said stop section being positioned at an end of said connecting portion, said stop section having a width greater than a width of said beveled section.

8. The piercing phosphor copper terminal of claim 7, wherein said piercing slot further comprises a guide section located between said stop section and said chamfer section, said guide section being provided with a guide ramp inclined from said stop section toward said chamfer section.

9. A piercing phosphor-copper terminal according to any one of claims 1 to 8, wherein the terminal pin is provided with a central portion that is radially enlarged and bent toward the outside so that the central portion of the terminal pin forms a clamping structure.

10. The piercing phosphor copper terminal of claim 9, wherein a distance between two of said legs is less than a width of said connecting portion.