CN219998529U - Plug-in type high-current terminal connector - Google Patents

Abstract

The utility model is applicable to the technical improvement field of wiring terminals, and provides a plug-in type high-current terminal connector which comprises a terminal spring, a plug-in row and a stamping terminal, wherein one end of the stamping terminal is connected with the other end of the terminal spring, and one end of the plug-in row is plugged on the terminal spring. The connector has the advantages of simple structure, convenient processing, high current transmission and low cost; the internal structure is precise but not complex, and the processing procedure is simple.

Description

Plug-in type high-current terminal connector

Technical Field

The utility model belongs to the technical improvement field of wiring terminals, and particularly relates to a plug-in type high-current terminal connector.

Background

Currently, a high-current terminal spring is commonly a crown spring, a torsion spring and a reed which are riveted in the terminal. The crown spring and the torsion spring are round corresponding to the male terminal and the female terminal, the crown spring/torsion spring is arranged in the female terminal, the male terminal is inserted into the female terminal and contacted with the crown spring/torsion spring, and current passes through the crown spring/torsion spring from the female terminal and then passes through the contacted male terminal (and vice versa), so that current conduction is realized.

The other form is that the reeds are riveted on two sides of the inner long side of the square female terminal, the square conductor (male end) is inserted into the matched square female terminal and contacted with the riveted reeds, and current passes through the square conductor (male end) from the square female terminal through the reeds (and vice versa), so that current conduction is realized.

The crown spring and the torsion spring are round corresponding to the male terminal and the female terminal, and the terminal has long processing time and high cost. The spring plate is riveted on the two sides of the long side of the inner part of the square female terminal, the structure is precise and complex, the processing is complex, and the cost is high.

Disclosure of Invention

The utility model aims to provide a plug-in type high-current terminal connector, which aims to solve the problems that a crown spring and a torsion spring form correspond to a male terminal and a female terminal to be round, and the processing time of the terminal of the form is long and the cost is high. The spring plate riveting is performed on two sides of the long side of the inner part of the square female terminal, the structure is precise and complex, the processing is complex, and the cost is high.

The utility model is realized in such a way that the plug-in type high-current terminal connector comprises a terminal spring, a plug-in row and a stamping terminal, wherein one end of the stamping terminal is connected with the other end of the terminal spring, and one end of the plug-in row is plugged on the terminal spring.

The utility model further adopts the technical scheme that: the terminal spring comprises a shell and a compression spring, wherein the compression spring is arranged in the shell, and the compression spring is connected with the shell.

The utility model further adopts the technical scheme that: the compression spring comprises two identical compression spring plates, namely a first compression spring plate and a second compression spring plate, wherein the first compression spring plate and the second compression spring plate are oppositely arranged, and the first compression spring plate is parallel to the second compression spring plate.

The utility model further adopts the technical scheme that: the compression spring plate is provided with a plurality of compression spring openings, compression spring ribs are arranged between the adjacent compression spring openings, the lengths and the widths of the adjacent compression spring ribs are the same, four convex hulls are formed on the compression spring ribs in a concave-convex mode, and the four convex hulls are evenly arranged on the front face and the back face of the compression spring ribs respectively.

The utility model further adopts the technical scheme that: the tail parts of the two pressure spring plates are respectively bent and contacted relatively to form a limiting elastic sheet.

The utility model further adopts the technical scheme that: the bottom surface of the tail part of the pressure spring plate is provided with a plurality of protruding limit posts.

The utility model further adopts the technical scheme that: the shell is characterized in that square openings are respectively arranged on two side surfaces of the shell, the outer bending edges of the shell on the upper side and the lower side of the square openings are respectively arranged on the two side surfaces of the shell, and an outer convex spring piece is arranged on the left side of the square openings.

The utility model further adopts the technical scheme that: two parallel buckling positions are respectively arranged at the bottom of the side face of the shell, and a bending elastic sheet is respectively arranged at the left side and the right side of the socket of the shell.

The utility model further adopts the technical scheme that: when the plug-in row and the stamping terminal are in a vertical plug-in mode, the front face of the shell is provided with a bent junction edge of a reed, the junction edge is in butt joint with a plurality of concave-convex bag buckling structures, and the bottom face of the shell is provided with a plurality of limiting ports.

The utility model further adopts the technical scheme that: when the plug-in row and the stamping terminal are in a relative plug-in mode, two parallel buckling positions are respectively arranged on the upper portion of the shell, the bottom surface of the shell is a reed-bent boundary edge, and the boundary edge is in butt joint with a plurality of concave-convex hull buckling structures.

The beneficial effects of the utility model are as follows: the terminal has the advantages of simple structure, convenient processing, high current transmission and low cost; the internal structure is precise but not complex, and the processing procedure is simple.

Drawings

Fig. 1 is a schematic structural diagram of an opposite plug connector according to an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of an opposing plug-type terminal spring provided in an embodiment of the present utility model.

Fig. 3 is a cross-sectional view of a relative plug-in type of the opposite plug-in structure according to an embodiment of the present utility model.

Fig. 4 is a second cross-sectional view of the opposite plug-in type opposite plug-in structure according to the embodiment of the present utility model.

Fig. 5 is a third cross-sectional view of a counter-plug structure according to an embodiment of the present utility model.

Fig. 6 is a schematic cross-sectional view of a counter plug-type terminal spring and a stamped terminal according to an embodiment of the utility model.

Fig. 7 is a schematic cross-sectional view of a terminal spring and a stamped terminal of an opposite plug-in strip according to an embodiment of the utility model.

Fig. 8 is a schematic bottom view of a relatively plug-in housing according to an embodiment of the present utility model.

Fig. 9 is a front elevational view of an opposing plug connector provided by an embodiment of the present utility model.

Fig. 10 is a schematic structural diagram of a vertical plug connector according to an embodiment of the present utility model.

Fig. 11 is a top view of a vertical plug-in type terminal spring and a stamped terminal according to an embodiment of the utility model.

Fig. 12 is a front cross-sectional view of a terminal spring of a vertical plug connector according to an embodiment of the present utility model.

Fig. 13 is a second front cross-sectional view of a terminal spring of a vertical plug connector according to an embodiment of the present utility model.

Fig. 14 is a front cross-sectional view three of a terminal spring of a vertical plug connector provided by an embodiment of the present utility model.

Fig. 15 is a schematic cross-sectional view of a vertical plug-in terminal spring and a stamped terminal provided by an embodiment of the utility model.

Fig. 16 is a schematic cross-sectional view of a vertical plug-in strip, terminal spring and stamped terminal provided in an embodiment of the utility model.

Fig. 17 is a front elevation view of a terminal spring of a vertical plug connector provided by an embodiment of the present utility model.

Fig. 18 is a schematic cross-sectional view of a vertical plug-in terminal spring and a stamped terminal provided by an embodiment of the utility model.

Fig. 19 is a schematic bottom view of a vertical plug-in type terminal spring according to an embodiment of the present utility model.

Fig. 20 is a rear elevation view of a terminal spring of a vertical plug connector provided by an embodiment of the present utility model.

Detailed Description

Reference numerals:

embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 1-20, the plug-in type high-current terminal connector provided by the utility model comprises a terminal spring, a plug-in row and a stamping terminal, wherein one end of the stamping terminal is connected with the other end of the terminal spring, and one end of the plug-in row is plugged in the terminal spring.

The terminal spring comprises a shell and a compression spring, wherein the compression spring is arranged in the shell, and the compression spring is connected with the shell.

The compression spring comprises two identical compression spring plates, namely a first compression spring plate and a second compression spring plate, wherein the first compression spring plate and the second compression spring plate are oppositely arranged, and the first compression spring plate is parallel to the second compression spring plate.

The compression spring plate is provided with a plurality of compression spring openings, compression spring ribs are arranged between the adjacent compression spring openings, the lengths and the widths of the adjacent compression spring ribs are the same, four convex hulls are formed on the compression spring ribs in a concave-convex mode, and the four convex hulls are evenly arranged on the front face and the back face of the compression spring ribs respectively.

The tail parts of the two pressure spring plates are respectively bent and contacted relatively to form a limiting elastic sheet.

The bottom surface of the tail part of the pressure spring plate is provided with a plurality of protruding limit posts.

The shell is characterized in that square openings are respectively arranged on two side surfaces of the shell, the outer bending edges of the shell on the upper side and the lower side of the square openings are respectively arranged on the two side surfaces of the shell, and an outer convex spring piece is arranged on the left side of the square openings.

Two parallel buckling positions are respectively arranged at the bottom of the side face of the shell, and a bending elastic sheet is respectively arranged at the left side and the right side of the socket of the shell.

When the plug-in row and the stamping terminal are in a vertical plug-in mode, the front face of the shell is provided with a bent junction edge of a reed, the junction edge is in butt joint with a plurality of concave-convex bag buckling structures, and the bottom face of the shell is provided with a plurality of limiting ports.

When the plug-in row and the stamping terminal are in a relative plug-in mode, two parallel buckling positions are respectively arranged on the upper portion of the shell, the bottom surface of the shell is a reed-bent boundary edge, and the boundary edge is in butt joint with a plurality of concave-convex hull buckling structures.

Example 1

As shown in fig. 1-9, a plug-in type high-current terminal connector is used for fixing, positioning and releasing connection transmission current, a terminal spring 2 is wrapped at the front end of a corresponding stamping terminal 3 by bending, a male copper bar 1 is adopted for a plug-in socket, the insertion direction of the male copper bar 1 and the line pressing direction of the stamping terminal 3 are in the same horizontal direction, and the insertion mode is in a direct plug-in type. Four buckling positions are arranged on the left side surface and the right side surface of the terminal spring 2, so that the terminal spring is fixed with the corresponding stamping terminal 3, and the male end copper bar 1 is prevented from loosening in the process of inserting and extracting the stamping terminal spring 2.

As shown in fig. 1, two horizontal external bending edges and an external convex elastic sheet are respectively arranged on the left side surface and the right side surface of the terminal spring 2, and the terminal penetrates into the connector shell, so that the terminal can keep the same horizontal line with the shell, the terminal is prevented from tilting up and down, the external convex elastic sheet is buckled with the shell, the terminal cannot retract, and the positioning effect can be achieved.

As shown in fig. 1-2, each of the compression spring ribs of the two compression spring plates of the terminal spring 2 is respectively stamped with four convex hulls, two convex outwards, two convex inwards, and is bent to the inner side of the terminal. The male end copper bar 1 is inserted into the terminal spring 2, so that current transmission and left and right freedom degree limitation can be realized. In the current transmission process, as shown in fig. 3-4, in the terminal opposite insertion process, the male end copper bar 1 is firstly contacted with a first convex hull of a pressure spring rib of the terminal spring 2, the first convex hull of the terminal spring 2 is pressed outwards by the male end copper bar 1, then a second convex hull is driven to outwards deviate and contact with the inner wall of the stamping terminal 3, and current passes through the second convex hull from the stamping terminal 3, then passes through the first convex hull, and finally passes through the male end copper bar 1 contacted with the first convex hull, so that current transmission is realized. Similarly, the male end copper bar 1 is continuously inserted and contacted with the third convex hull, and finally the four convex hulls of each pressure spring rib of the terminal spring 2 are contacted, as shown in fig. 6, a plurality of convex hulls are arranged in the terminal spring 2 and contacted, so that the male end copper bar 1 is not easy to pull and loose, and high-current stable transmission can be realized. As shown in fig. 2, the tail part in the terminal spring 2 is bent and combined, so that the limit function can be realized, and the male end copper bar 1 is prevented from being inserted too long and penetrating out of the cavity of the punching terminal 3 to affect other structures.

As shown in fig. 6 and 7, the front end of the terminal spring 2 is provided with a bending elastic piece up and down, the male end copper bar 1 is inserted into the terminal spring 2 to be contacted with the bending elastic piece, so that current transmission can be realized, the up-and-down freedom degree of the male end copper bar 1 is limited, and the male end copper bar 1 is prevented from swinging up and down in the process of oppositely inserting and transmitting current.

As shown in fig. 8, the bottom of the terminal spring 2 is a bent junction edge of the spring, and the junction edge is sewed with three concave-convex hulls, so that the junction edge is firmly buckled to prevent loosening.

The terminal spring 2 and the corresponding terminal are integrally formed by stamping, and the structure is simple, the processing is convenient, the large current can be transmitted, and the cost is low. Provides a more convenient and low-cost connection scheme for large-current transmission.

Example two

As shown in fig. 10-20, a plug-in type high-current terminal connector is used for fixing, positioning and releasing connection transmission current, a terminal spring 2 is wrapped at the front end of a corresponding stamped terminal 3 by bending, a male copper bar 1 is adopted for a plug-in socket, the insertion direction of the male copper bar 1 and the line pressing direction of the stamped terminal 3 form 90 degrees, and the insertion mode is in direct insertion. The bottom of the left side surface and the right side surface of the terminal spring 2 are respectively provided with two buckling positions, so that the terminal spring is fixed with the corresponding stamping terminal 3, the front-back freedom degree and the up-down freedom degree are limited, and the stamped terminal spring 2 is prevented from loosening in the inserting and extracting processes of the male end copper bar 1.

As shown in fig. 10 and 17, the left and right sides of the terminal spring 2 are respectively provided with two horizontal external bending edges and an external convex elastic sheet, the terminal penetrates into the connector shell, the two horizontal external bending edges can keep the same horizontal line with the shell, the terminal is prevented from tilting up and down, the external convex elastic sheet and the shell are buckled, the terminal cannot retract, and the positioning effect can be achieved.

As shown in fig. 12, each of the two compression spring ribs of the two compression spring plates of the terminal spring 2 is punched with four convex hulls, two convex outwards, two convex inwards, and is bent to the inside of the terminal. The male end copper bar 1 is inserted into the terminal spring 2, so that current transmission and left and right freedom degree limitation can be realized. In the current transmission process, as shown in fig. 12 and 13, in the terminal opposite insertion process, the male end copper bar 1 is firstly contacted with a first convex hull of a pressure spring rib of the terminal spring 2, the male end copper bar 1 of the first convex hull of the pressure spring rib of the terminal spring 2 is pressed outwards, then drives a second convex hull to outwards deviate and contact with the inner wall of the stamping terminal 3, and current passes through the second convex hull and then the first convex hull by the stamping terminal 3, and finally passes through the male end copper bar 1 contacted with the first convex hull, so that current transmission is realized. Similarly, as shown in fig. 14, the male end copper bar 1 is continuously inserted into contact with the third convex hull, and finally, the four convex hulls on the pressure spring rib of the terminal spring 2 are all in contact. As shown in fig. 18, the terminal spring 2 has a plurality of convex hulls inside, the convex hulls are in contact with the male end copper bar 1, and the fixed male end copper bar 1 is not easy to pull and loose, so that stable transmission of large current can be realized. As shown in fig. 18 and 19, two limit posts are respectively arranged at the left and right sides of the bottom of the contact spring in the terminal spring 2, and after the terminal spring 2 is assembled to the stamped terminal 1, the limit posts are embedded into corresponding notches at the bottom of the terminal spring 2, so that the contact spring in the terminal spring 2 can be fixed.

As shown in fig. 15, 16 and 18, a bending spring piece is arranged on the left and right sides of the jack at the top of the terminal spring 2, and the male end copper bar 1 is inserted into the terminal spring 2 to be contacted with the bending spring piece, so that current transmission can be realized, the degree of freedom of the male end copper bar 1 in the short side direction can be limited, and as shown in fig. 16, the left and right direction shaking of the male end copper bar 1 in the process of oppositely inserting and transmitting current is prevented.

As shown in fig. 17, the front of the terminal spring 2 is a spring leaf bending boundary edge, and the boundary edge is sewed with three concave convex hulls, so that the boundary edge is firmly buckled to prevent loosening, and the bending and wrapping stamping terminal 3 can limit the left, right and rear freedom degrees of the terminal spring 2.

The terminal spring 2 and the corresponding terminal are integrally formed by stamping, and the structure is simple, the processing is convenient, the large current can be transmitted, and the cost is low. Provides a more convenient and low-cost connection scheme for large-current transmission.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The plug-in type high-current terminal connector is characterized by comprising a terminal spring, a plug-in row and a stamping terminal, wherein one end of the stamping terminal is connected with the other end of the terminal spring, and one end of the plug-in row is plugged on the terminal spring.

2. The plug-in high-current terminal connector according to claim 1, wherein the terminal spring comprises a housing and a compression spring, the compression spring being provided in the housing, the compression spring being connected to the housing.

3. The plug-in type high-current terminal connector according to claim 2, wherein the compression spring comprises two identical compression spring plates, namely a first compression spring plate and a second compression spring plate, the first compression spring plate and the second compression spring plate are oppositely arranged, and the first compression spring plate is parallel to the second compression spring plate.

4. A plug-in type high-current terminal connector according to claim 3, wherein a plurality of pressure spring openings are formed in the pressure spring plate, pressure spring ribs are arranged between adjacent pressure spring openings, the lengths and the widths of the adjacent pressure spring ribs are the same, four convex hulls are formed on the pressure spring ribs in a concave-convex mode, and the four convex hulls are evenly arranged on the front face and the back face of the pressure spring ribs respectively.

5. The plug-in type high-current terminal connector according to claim 4, wherein the tail portions of the two compression spring plates are respectively bent and contacted relatively to form a limiting spring piece.

6. The plug-in type high-current terminal connector according to claim 4, wherein the bottom surface of the tail portion of the pressure spring plate is provided with a plurality of protruding stopper posts.

7. The plug-in type high-current terminal connector according to claim 5 or 6, wherein square openings are respectively arranged on two side surfaces of the housing, the housing on the upper side and the lower side of the square openings is provided with outward bending edges, and the left side of the square openings is provided with a convex spring piece.

8. The plug-in type high-current terminal connector according to claim 7, wherein two parallel buckling positions are respectively arranged at the bottom of the side face of the shell, and bending spring plates are respectively arranged at the left side and the right side of the socket of the shell.

9. The plug-in type high-current terminal connector according to claim 8, wherein when the plug-in row and the stamped terminals are in a vertical plug-in mode, the front surface of the housing is a bent junction edge of a reed, the junction edge is in butt joint with a plurality of concave-convex buckling structures, and a plurality of limiting openings are formed in the bottom surface of the housing.

10. The plug-in type high-current terminal connector according to claim 8, wherein when the plug-in rows and the stamped terminals are in a relatively plug-in manner, two parallel buckling positions are respectively arranged on the upper portion of the shell, the bottom surface of the shell is a bent junction edge of the reed, and the junction edge is in butt joint with a plurality of concave-convex hull buckling structures.