WO2022183557A1

WO2022183557A1 - Socket terminal with firm insertion force

Info

Publication number: WO2022183557A1
Application number: PCT/CN2021/084262
Authority: WO
Inventors: 聂俊宇; 陈郁葱; 梁锡强
Original assignee: 广东福田电器有限公司; 亚士吉灯饰(东莞)有限公司
Priority date: 2021-03-03
Filing date: 2021-03-31
Publication date: 2022-09-09
Also published as: EP4054008A1; CN113036493A

Abstract

A socket terminal with a firm insertion force, into which a plug terminal is to be inserted. The socket terminal comprises: a base mounted and fixed in a socket panel; a connecting portion formed by an upward extension from the base; and an insertion portion formed by a bent extension from one side of the connecting portion, wherein the insertion portion has two vertical portions and a horizontal portion connecting the two vertical portions, a front end surface of the horizontal portion projects forwards to form two limiting portions, an upper end surface of each vertical portion bends horizontally and then extends downwards to form a contact portion, the two contact portions then clamp the plug terminal, each contact portion extends downwards to form a stop portion, and the two stop portions are located between the two limiting portions, such that the two limiting portions limit excessive displacement of the two stop portions.

Description

A socket terminal with firm insertion force

technical field

The invention relates to the field of sockets, in particular to a socket terminal with firm insertion force.

Background technique

In today's world, electricity is definitely the main energy source that cannot be avoided in human life and production, so power transmission is particularly important. Nowadays, the most common power transmission used by people is the connection of plugs and sockets to conduct the entire circuit, so the stable connection of plugs and sockets It has always been an eternal research topic.

As shown in Figures 1 and 2, the connection between the existing socket and the plug is generally that the plug terminal is inserted into the socket terminal. In the terminal, a retaining spring B is added to hold the abutting portion of the socket terminal to avoid excessive deformation of the abutting portion, thereby increasing the clamping force of the abutting portion. However, the circlip B and the socket terminal are assembled, so the circlip B has the risk of being detached from the abutting portion, and as the socket structure becomes more complex and the size becomes more and more miniaturized, the circlip B will The assembly difficulty of B is increasing, thereby reducing the production efficiency of the socket terminal and increasing the production cost of the socket terminal.

Therefore, it is necessary to develop a socket terminal with low cost and firm insertion force.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a socket terminal with a firm insertion force, and the two stop parts are limited by the two stop parts from excessive displacement, thereby preventing the two contact parts from not being in contact. It will be excessively deformed to achieve the purpose of improving the clamping force of the contact part to clamp the plug terminal.

The present invention is achieved by the following technical solutions: a socket terminal with a firm plug-in force for plugging a plug terminal, comprising: a base part mounted and fixed in a socket panel; a connection part extending upward from the base part to form a plug-in part, which is formed by bending and extending from one side of the connecting part, the plug-in part has two vertical parts and a horizontal part connecting the two vertical parts, and the front end of the horizontal part faces The front protrudes to form two limiting parts, and the upper end surface of each vertical part is first bent horizontally and extends downward to form a contact part, so that the two contact parts clamp the plug terminal, and each of the The contact portion extends downward to form a blocking portion, and the two blocking portions are located between the two limiting portions, so that the two limiting portions limit the excessive displacement of the two blocking portions.

Further, the width of the horizontal portion is smaller than that of the vertical portion, the blocking portion is located in front of the horizontal portion, and the height of the lower end surface of the blocking portion is lower than the horizontal portion.

Further, the limiting portion is formed by horizontally bending and extending from the lower end of the vertical portion.

Further, the contact portion is arc-shaped, and the stop portion is a vertical flat plate extending downward from the contact portion.

Further, the base portion and the plug-in portion are formed to extend in the same direction from opposite two sides of the connecting portion.

Further, the base portion has a first bending portion connected to the connecting portion, and a second bending portion is bent and extended from the first bending portion in a direction close to the plug-in portion, from the first bending portion A third bending portion is formed by bending and extending from the second bending portion in a direction away from the connecting portion, and a fourth bending portion is formed by bending and extending from the third bending portion toward the insertion portion. , and a fifth bending portion that is bent and extended from the fourth bending portion to a direction away from the connecting portion.

Further, a first through groove is formed through the plate surface of the second bending part, and the first through groove extends from the intersection of the first bending part and the second bending part to the The intersection of the second bending portion and the third bending portion.

Further, two parallel second through grooves are formed through the surface of the fourth bending portion, and each of the second through grooves is formed from the intersection of the third bending portion and the fourth bending portion extends to the intersection of the fourth bent portion and the fifth bent portion.

Further, the plate face of the fifth bending portion protrudes outward to form a boss, and the end face of the fifth bending portion is bent away from the fourth bending portion to form two holding portions.

Further, the boss is in the shape of an inclined surface, and the inclined surface thereof is inclined toward the fourth bending portion, and the two holding portions correspond to the two second through grooves respectively.

Compared with the prior art, the beneficial effects that the present invention can achieve are:

Each of the contact portions extends downward to form a blocking portion, and the two blocking portions are located between the two limiting portions, so that the two limiting portions limit the excessive displacement of the two blocking portions. , so as to prevent the two contact parts from being excessively deformed, improve the clamping force of the contact parts to clamp the plug terminal, and achieve the purpose of achieving a firm plug-in force for the socket terminal. In addition, the limiting part and the terminal are integrally formed, The production and assembly processes of the product are saved, and the production cost of the product is reduced.

Description of drawings

Figure 1 is a perspective view of the prior art;

Figure 2 shows a perspective view of the prior art circlip before assembly;

Figure 3 is a perspective view of a socket terminal with a firm insertion force of the present invention;

FIG. 4 is a perspective view of the socket terminal of the present invention with a firm insertion force from another perspective;

FIG. 5 is a front view of the socket terminal of the present invention with a firm insertion force;

FIG. 6 is a schematic diagram showing the socket terminal with a firm insertion force of the present invention after being inserted into the plug terminal.

In the figure: A, butt joint; B, circlip; 100, socket terminal with firm insertion force; 1, base; 11, first bending part; 12, second bending part; 121, first through slot; 13 , the third bending part; 14, the fourth bending part; 141, the second through groove; 15, the fifth bending part; 151, the boss; 152, the holding part; 2, the connecting part; 31, vertical part; 32, horizontal part; 33, limit part; 34, contact part; 35, stop part; 200, socket terminal.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, on the premise of no conflict, the embodiments or technical features described below can be combined arbitrarily to form new embodiments. .

As shown in FIG. 3 and FIG. 6 , the present invention discloses a socket terminal 100 with a firm plug-in force, including a connecting portion 2 , and a plug-in portion 3 formed by bending and extending from opposite sides of the connecting portion 2 respectively. and a base portion 1, the plug-in portion 3 holds a plug terminal 200, and the base portion 1 is installed and fixed on a socket panel (not shown, the same below), so that the socket terminal 100 with the firm plug force is fixed to the socket terminal 100. in the socket panel described above.

As shown in FIG. 3 to FIG. 6 , the connecting portion 2 is a flat plate and is vertically arranged, the base portion 1 is formed by bending and extending from one side of the connecting portion 2 , and the base portion 1 has a connecting portion for connecting the connecting portion 2 . A first bending portion 11 of A third bending portion 13 is bent and extended in a direction away from the connecting portion 2 , and a fourth bending portion 14 is formed by bending and extending from the third bending portion 13 toward the insertion portion 3 , and a fifth bending part 15 bent and extended from the fourth bending part 14 to the direction away from the connecting part 2 , so that the first bending part 11 and the second bending part are arranged such that the first bending part 11 and the second bending part 12. The third bending part 13 , the fourth bending part 14 and the fifth bending part 15 can be more firmly embedded in the socket panel. Further, a first through groove 121 is formed through the second bending portion 12 through its plate surface, and the first through groove 121 is formed from the intersection of the first bending portion 11 and the second bending portion 12 extending to the intersection of the second bending part 12 and the third bending part 13, the fourth bending part 14 forms two parallel second through grooves 141 through its surface, and each The second through groove 141 extends from the intersection of the third bending portion 13 and the fourth bending portion 14 to the intersection of the fourth bending portion 14 and the fifth bending portion 15 for convenience. The receptacle terminal 100 with strong insertion force dissipates heat, and also increases the first bending portion 11 , the second bending portion 12 , the third bending portion 13 , the fourth bending portion 14 and the fifth bending portion The elastic force of the part 15 facilitates the disassembly and assembly of the base part 1 from the plug-in panel. Further, the plate surface of the fifth bending portion 15 protrudes outward to form a boss 151 , and the end face of the fifth bending portion 15 is bent away from the fourth bending portion 14 to form two holding portions 152 . The table 151 and the holding part 152 make the base part 1 better elastically cooperate with the socket panel by their own elastic force, so as to reduce the internal stress caused by the rigid extrusion of the base part 1 during assembly, and increase the Durability of the receptacle terminal 100 with firm mating force. In this embodiment, the boss 151 is in the shape of an inclined surface, and the inclined surface is inclined toward the fourth bending portion 14 , and the two holding portions 152 correspond to the two second through grooves 141 respectively, and hold the In order to ensure the structural stability of the entire socket terminal 100 with a firm insertion force, in other embodiments, the position of the retaining portion 152 and the shape of the boss 151 are not limited, as long as they can strengthen the base portion 1 and the assembly holding force of the socket panel.

The inserting portion 3 is formed by bending and extending from the other side of the connecting portion 2 , and the inserting portion 3 and the base portion 1 are located on the same side of the board surface of the connecting portion 2 . Specifically, the plug-in portion 3 has two vertical portions 31 and a horizontal portion 32 connecting the two vertical portions 31 . The front end of the horizontal portion 32 protrudes forward to form two limiting portions 33 . , the upper end surface of each of the vertical portions 31 is first bent horizontally and extended downward to form a contact portion 34 , so that the two contact portions 34 clamp the plug terminal 200 . A stop part 35 is formed extending downward, and the two stop parts 35 are located between the two limit parts 33; when the plug terminal 200 is inserted between the two contact parts 34, the two stop parts 35 are pressed. Each of the contact portions 34 is deformed and displaced in a direction away from each other, and further drives the two stop portions 35 to move in a direction away from each other. At this time, the two stop portions 33 limit the two stop portions 35 Excessive displacement prevents the two contact parts 34 from being excessively deformed, and improves the clamping force of the contact parts 34 for clamping the plug terminals.

Further, the limiting portion 33 is formed by being horizontally bent and extended from the lower end of the vertical portion 31, so that the socket terminal 100 for ensuring the firm insertion force is integrally formed, which saves the production and assembly processes of the product and reduces the production cost of the product . The contact portion 34 is arc-shaped, and the stop portion 35 is a vertical flat plate extending downward from the contact portion 34 . In this way, the space between the two contact portions 34 is increased, and the total space between the two contact portions 34 is reduced. The resistance when the plug terminal 200 is plugged is increased; the contact area between the stopper 35 and the limiter 33 is increased, and the risk of the stopper 35 being damaged by the limiter 33 is reduced. . In addition, in this embodiment, the width of the horizontal portion 32 is smaller than that of the vertical portion 31 , the blocking portion 35 is located in front of the horizontal portion 32 , and the height of the lower end surface of the blocking portion 35 is Below the horizontal portion 32, the structural stability of the entire plug-in portion 3 is ensured. In other embodiments, the size of the horizontal portion 32, the vertical portion 31 and the The positional relationship between the blocking portions 35 is not limited, as long as it is adapted to actual needs.

The above-mentioned embodiments are only preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.

Claims

A socket terminal with a firm plug-in force for plugging a plug terminal, characterized in that it includes:

a base, installed and fixed in a socket panel;

a connecting portion extending upward from the base portion;

a plug-in part, which is formed by bending and extending from one side of the connecting part, the plug-in part has two vertical parts, a horizontal part connecting the two vertical parts, and the front end of the horizontal part faces forward Protruding to form two limiting parts, the upper end surface of each vertical part is first bent horizontally and extended downward to form a contact part, so that the two contact parts clamp the plug terminal, and each contact part is The stopper portion extends downward to form a stopper portion, and the two stopper portions are located between the two stopper portions, so that the two stopper portions limit the excessive displacement of the two stopper portions.
The receptacle terminal of claim 1, wherein the width of the horizontal portion is smaller than that of the vertical portion, the blocking portion is located in front of the horizontal portion, and the blocking portion is located in front of the horizontal portion. The height of the lower end surface is lower than the horizontal portion.
The socket terminal with firm insertion force according to claim 1, wherein the limiting portion is formed by horizontally bending and extending from the lower end of the vertical portion.
The socket terminal with firm insertion force according to claim 1, wherein the contact portion is arc-shaped, and the stop portion is a vertical flat plate extending downward from the contact portion.
The socket terminal with firm insertion force according to claim 1, wherein the base portion and the insertion portion are formed to extend in the same direction from opposite sides of the connection portion.
6. The socket terminal of claim 5, wherein the base portion has a first bent portion connected to the connecting portion, from the first bent portion toward the insertion portion A second bending portion bent and extended in the direction, and a third bent portion bent and extended from the second bending portion in a direction away from the connecting portion, from the third bending portion toward the A fourth bending portion is formed by bending and extending in the direction of the plug-in portion, and a fifth bending portion is bent and extended in a direction away from the connecting portion from the fourth bending portion.
6. The receptacle terminal of claim 6, wherein a first through groove is formed through the second bending portion through the board surface, and the first through groove is bent from the first The intersection of the portion and the second bend extends to the intersection of the second bend and the third bend.
6. The receptacle terminal of claim 6, wherein two parallel second through grooves are formed through the surface of the fourth bent portion, and each second through groove extends from the The intersection of the third bent portion and the fourth bent portion extends to the intersection of the fourth bent portion and the fifth bent portion.
9. The socket terminal with a firm insertion force as claimed in claim 8, wherein the plate surface of the fifth bending portion protrudes outward to form a boss, and the end surface thereof is bent away from the fourth bending portion Fold it to form two holding parts.
The socket terminal with firm insertion force according to claim 9, wherein the boss is in the shape of an inclined surface, and the inclined surface is inclined toward the fourth bending portion, and the two holding portions correspond to two the second through groove.