CN214411579U

CN214411579U - Low-insertion-force stamping terminal

Info

Publication number: CN214411579U
Application number: CN202120502227.1U
Authority: CN
Inventors: 陈俊瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-10-15
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to a stamping terminal with low insertion force, which is used for matching with a male terminal to insert and connect and form conduction, the stamping terminal is provided with a riveting part and an inserting part which are connected, and the inserting part is enclosed by a bottom plate, a left side plate, a right side plate and a top plate to form a frame shape; the bottom plate is provided with a supporting platform which protrudes inwards, and the corresponding side edges of the supporting platform are respectively provided with a groove with the left side plate and the right side plate; the supporting platform is provided with a spring arm, and the spring arm is provided with a first protrusion which protrudes inwards and is higher than the supporting platform; the top plate is divided into a left plate body and a right plate body, and is respectively provided with a first sunken elastic contact arm and a second sunken elastic contact arm, the second elastic contact arm is provided with an extending part protruding towards the left plate body, and the extending part is provided with a second protrusion protruding inwards. The utility model discloses possible insertion force, effectual reduction manual work inserts strength, and save time improves production efficiency to increase the contact point of cooperation terminal in order to strengthen the current-carrying capacity, improve the life of product.

Description

Low-insertion-force stamping terminal

Technical Field

The utility model belongs to the technical field of the terminal technique and specifically relates to a terminal of low insertion force is related to.

Background

In order to ensure that stable mechanical and electrical connection is established, a tight fit structure is designed for the existing terminal with low insertion force, so that the insertion force cannot reach the low insertion force expected by people, the insertion force of the terminal is still between 25 and 80N, and production and assembly are greatly influenced; and the product structure elasticity is not good, and the connection performance is obviously reduced after the plugging and unplugging is performed, so that the service life is influenced.

Disclosure of Invention

An object of the utility model is to provide a punching press terminal of low insertion force solves above-mentioned technical problem well, can accomplish the insertion force and be 15-35N to guarantee terminal performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a stamping terminal with low insertion force is used for being matched with a male terminal to be inserted and connected and form conduction, and is provided with a riveting part and an inserting part which are connected, wherein the inserting part is enclosed by a bottom plate, a left side plate, a right side plate and a top plate to form a frame shape;

the bottom plate is provided with a supporting platform protruding inwards, and grooves are reserved on the corresponding side edges of the supporting platform and the left side plate and the right side plate respectively; the supporting platform is provided with a spring arm, and the spring arm is provided with a first protrusion which protrudes inwards and is higher than the supporting platform;

the top plate is divided into a left plate body and a right plate body; the left sheet body is provided with a sunken first elastic contact arm which extends along the insertion direction of the male terminal; the right sheet body is provided with a sunken second elastic contact arm, the second elastic contact arm extends along the insertion direction of the male terminal, the second elastic contact arm is provided with an extending part protruding towards the left sheet body, and the first elastic contact arm is provided with a concave part giving the extending part avoidance; the extension part is provided with a second protrusion protruding inwards.

Above-mentioned scheme is further, leave the clearance of certain width between left side lamellar body and the right lamellar body, the downside parallel and level of first elastic contact arm and second elastic contact arm forms the joint the holding surface of male terminal, this holding surface is relative with the supporting platform of bottom plate parallel from top to bottom.

In the above aspect, the first protrusion and the second protrusion are in a gradual protruding structure and are arranged in an up-down opposite manner, and a gradual protruding direction of the first protrusion and the second protrusion is a male terminal insertion direction.

The supporting platform is provided with a hollow window, the spring arm is arranged in the window, and the spring arm is a cantilever structure extending from one side edge of the window along the insertion direction of the male terminal.

In the above solution, the supporting platform is provided with a hollow window, the spring arm is disposed in the window, and the spring arm is a bridging structure extending from one side of the window to the other side along the insertion direction of the male terminal.

Above-mentioned scheme is further, first breach has been left to the position that left side lamellar body is close to the left side board, and the length of this first breach on public terminal insertion direction matches the length of first elastic contact arm, the position that right side lamellar body is close to the right side board leaves the second breach, and the length of this second breach on public terminal insertion direction matches the length of second elastic contact arm.

In the above aspect, the root of the spring arm is provided with an elastic reinforcement portion bending outward.

The utility model is provided with a supporting platform on the bottom plate, a spring arm is arranged on the supporting platform, a first protrusion which protrudes inwards and is higher than the supporting platform is arranged on the spring arm, and the first protrusion forms a lifting area on the inner surface of the spring arm to be jointed with the male terminal; the top plate is divided into a left plate body and a right plate body, and the corresponding expansion and contraction effects are obtained; and a first and a second resilient contact arm, which are sunk, are provided on the left and right sheet bodies, respectively, and a second protrusion is provided on the second resilient contact arm, the second protrusion forming a raised area to engage the male terminal. The utility model discloses possible insertion force is 15-35N, and effectual reduction manual work inserts strength, save time improves production efficiency to increase the contact point of cooperation terminal in order to strengthen the current-carrying capacity, improve the life of product.

Description of the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the tip configuration of the embodiment of FIG. 1;

FIG. 4 is a schematic top view of the embodiment of FIG. 1;

FIG. 5 is a schematic structural diagram of two embodiments of the present invention;

FIG. 6 is a schematic view of the embodiment of FIG. 5 in another perspective;

FIG. 7 is a schematic structural diagram of three embodiments of the present invention;

fig. 8 is a schematic view of the embodiment of fig. 7 in another view angle.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-8, it is shown that the utility model discloses preferred embodiment structure schematic diagram, the utility model relates to a punching press terminal of low insertion force for cooperate the public terminal to insert to connect and form and switch on, this terminal of low insertion force has disjunctor riveting part 10 and grafting part 20, through the punching press preparation, overall structure nature is good, convenient preparation. As shown in fig. 1 to 6, the riveting portion 10 includes a first riveting wing 11 and a second riveting wing 12 bent toward the center, and the first riveting wing 11 and the second riveting wing 12 are arranged in sequence in a direction away from the inserting portion 20, so as to realize front and rear riveting of the connecting wire, and improve the stability and effectiveness of the connecting wire. Of course, as shown in fig. 7 and 8, the rivet portion 10 may be disposed transversely at one end of the plug portion 20, so that the wires may be connected, and an arrangement of the wires at an angle of 90 ° to the terminals may be obtained. Referring to fig. 1 to 8, in the present embodiment, the plug portion 20 is enclosed by a bottom plate 21, a left side plate 22, a right side plate 23 and a top plate 24 to form a frame shape, so as to obtain a socket, the bottom plate 21 and the top plate 24 determine the width of the plug portion 20, and the left side plate 22 and the right side plate 23 determine the height of the plug portion 20, so as to satisfy the use of male terminal plug-in connection.

Referring to fig. 1 to 8, in the present embodiment, the bottom plate 21 is further provided with a supporting platform 211 protruding inward, the supporting platform 211 is directly formed by stamping the bottom plate 21, the height of the inner side surface of the bottom plate 21 is relatively increased, and the corresponding side edges of the supporting platform 211 respectively leave grooves with the left side plate 22 and the right side plate 23, which is helpful for reducing the insertion force of the male terminal. The support platform 211 is provided with a spring arm 212, and the spring arm 212 is provided with a first protrusion 213 protruding inward and higher than the support platform 211. The top plate 24 is divided into a left plate body 241 and a right plate body 242; the left blade 241 has a first resilient contact arm 2411 that is depressed, the first resilient contact arm 2411 extending in the male terminal insertion direction; the right plate 242 has a second elastic contact arm 2421 sinking, the second elastic contact arm 2421 extends along the male terminal inserting direction, the second elastic contact arm 2421 has an extending part 2422 protruding towards the left plate 241, the first elastic contact arm 2411 is provided with a concave part 2412 giving the extending part 2422 a clearance, the extending part 2422 and the concave part 2412 are both circular arc-shaped, and the shape and the size of the extending part 2422 and the concave part 2412 are matched. A second protrusion 2423 is provided on the extension 2422 to protrude inwardly to form a raised area to engage the male terminal. Furthermore, a gap 243 with a certain width is reserved between the left sheet body 241 and the right sheet body 242, so that the expansion and contraction performance between the left sheet body 241 and the right sheet body 242 is increased, and the reduction of the male terminal insertion force is also facilitated. The lower sides of the first and second

resilient contact arms

2411 and 2421 are flush to form a support surface for engaging the male terminal, which is opposite to the support platform 211 of the bottom plate 21 in an up-and-down parallel manner; meanwhile, a first gap 2413 is reserved at the part of the left sheet body 241 close to the left side plate 22, the length of the first gap 2413 in the male terminal inserting direction is matched with the length of the first elastic contact arm 2411, a second gap 2424 is reserved at the part of the right sheet body 242 close to the right side plate 23, and the length of the second gap 2424 in the male terminal inserting direction is matched with the length of the second elastic contact arm 2421. The first and

second notches

2413 and 2424 respectively increase the elasticity of the first and second

resilient contact arms

2411 and 2421 and provide corresponding escape spaces, which helps to reduce insertion force. The first protrusion 213 and the second protrusion 2423 are gradually raised structures and are arranged oppositely up and down, and the gradually raised direction of the first protrusion 213 and the second protrusion 2423 is the male terminal insertion direction, so that an arc shape is formed, the instant contact area of the male terminal insertion is improved, the insertion force is reduced, and the clamping engagement with the male terminal can be ensured.

Referring to fig. 1 to 8, in the present embodiment, a hollow window 214 is disposed on the supporting platform 211, and the spring arm 212 is disposed in the window 214, as shown in the drawings, the spring arm 212 is flush with the supporting platform 211, wherein the spring arm 212 shown in fig. 1 to 6 is a cantilever structure extending from one side of the window 214 along the insertion direction of the male terminal, and has better elasticity. Of course, as shown in fig. 7 and 8, the spring arm 212 is a bridge structure extending from one side of the window 214 to the other side along the insertion direction of the male terminal, so as to obtain a good structure and a long service life while obtaining a corresponding elasticity. As shown in fig. 2, in order to further improve the characteristics of the spring arm 212 of the cantilever structure, an elastic reinforcing portion 2121 bent outward is provided at the root of the spring arm 212 to improve the elasticity and fatigue resistance. The design of the window 214 can enhance the elasticity of the spring arm 212 and the retention force after repeated insertion and extraction, thereby prolonging the service life.

Although the preferred embodiments of the present invention have been described in connection with the accompanying drawings, the present invention should not be limited to the exact construction and operation as described and illustrated, and many equivalent modifications and variations of the above-described embodiments may be made by logical analysis, reasoning or limited experimentation by those skilled in the art without departing from the spirit and scope of the present invention, which should fall within the scope of the claims.

Claims

1. The utility model provides a low insertion force's punching press terminal for cooperation male terminal is inserted and is connected and form and switch on which characterized in that: the stamping terminal with low insertion force is provided with a riveting part (10) and an inserting part (20) which are connected, wherein the inserting part (20) is enclosed by a bottom plate (21), a left side plate (22), a right side plate (23) and a top plate (24) to form a frame shape;

the bottom plate (21) is provided with a supporting platform (211) which protrudes inwards, grooves are reserved between the corresponding side edges of the supporting platform (211) and the left side plate (22) and the right side plate (23) respectively, the supporting platform (211) is provided with a spring arm (212), and the spring arm (212) is provided with a first protrusion (213) which protrudes inwards and is higher than the supporting platform (211);

the top plate (24) is divided into a left plate body (241) and a right plate body (242); the left blade (241) has a first resilient contact arm (2411) that is depressed, the first resilient contact arm (2411) extending in a male terminal insertion direction; the right sheet body (242) is provided with a sunken second elastic contact arm (2421), the second elastic contact arm (2421) extends along the male terminal inserting direction, the second elastic contact arm (2421) is provided with an extending part (2422) protruding towards the left sheet body (241), and the first elastic contact arm (2411) is provided with a concave part (2412) giving the extending part (2422) avoidance; the extension part (2422) is provided with a second protrusion (2423) protruding inwards.

2. A low insertion force stamped terminal as claimed in claim 1, wherein: leave certain width's clearance (243) between left side lamellar body (241) and the right lamellar body (242), the downside parallel and level of first elastic contact arm (2411) and second elastic contact arm (2421) form and joint the holding surface of male terminal, this holding surface and bottom plate (21) supporting platform (211) parallel relative from top to bottom.

3. A low insertion force stamped terminal as claimed in claim 1, wherein: the first protrusion (213) and the second protrusion (2423) are in a progressive bulging structure and are arranged in an up-down opposite mode, and the progressive bulging direction of the first protrusion (213) and the second protrusion (2423) is the male terminal insertion direction.

4. A low insertion force stamped terminal as claimed in claim 1, wherein: the supporting platform (211) is provided with a hollow window (214), the spring arm (212) is arranged in the window (214), and the spring arm (212) is a cantilever structure extending from one side of the window (214) along the insertion direction of the male terminal.

5. A low insertion force stamped terminal as claimed in claim 1, wherein: the supporting platform (211) is provided with a hollow window (214), the spring arm (212) is arranged in the window (214), and the spring arm (212) is a bridging structure which extends from one side of the window (214) to the other side along the insertion direction of the male terminal.

6. A low insertion force stamped terminal as claimed in claim 1, wherein: a first gap (2413) is reserved at the position, close to the left side plate (22), of the left sheet body (241), the length of the first gap (2413) in the male terminal inserting direction is matched with the length of the first elastic contact arm (2411), a second gap (2424) is reserved at the position, close to the right side plate (23), of the right sheet body (242), and the length of the second gap (2424) in the male terminal inserting direction is matched with the length of the second elastic contact arm (2421).

7. A low insertion force stamped terminal as claimed in claim 4, wherein: the root of the spring arm (212) is provided with an elastic reinforcing part (2121) which bends outwards.