Electrical connection device

Abstract

The utility model relates to the technical field of electrical connection, and provides an electrical connection device, which comprises a socket, a first terminal, a plug and a second terminal, and is characterized in that one end of the socket is provided with a slot; one end of the first terminal is fixedly arranged at one end, far away from the slot, of the socket, and the other end of the first terminal penetrates through the socket and abuts against the inner wall of the slot; the plug is arranged in the slot in a sliding manner, and the cross section of the plug and the cross section of the slot are not rotationally symmetrical graphs; the second terminal is fixedly arranged on the plug and is abutted against and electrically connected with the first terminal. According to the utility model, the cross section of the plug and the cross section of the slot are not set to be in a rotationally symmetrical pattern, the fool-proof design of the connecting device is met, the reverse connection problem is avoided, and the structural strength of the first terminal can be improved and the normal use of the connecting device is ensured by abutting the first terminal against the inner wall of the slot.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical connection technical field especially relates to an electrical connection device. BACKGROUND

[0002] In modern electrical systems, electrical connection devices play a crucial role as they are the key components for power transmission, signal transmission, and interconnection between electrical devices. With the continuous progress of technology and the widespread application of electrical devices, higher requirements are placed on the performance, reliability, and safety of electrical connection devices.

[0003] The invention patent with the publication number CN115528463A discloses an electrical connection device, which includes a socket composed of a socket shell, a magnetic core, and two groups of pins, and a plug composed of a plug shell, an iron column, and two groups of terminal insertion holes corresponding to the pins. The first part of the socket shell is provided with a first surrounding wall and a seat in the shape of a water droplet, and the pins and the magnetic core are assembled in the hole structure of the seat. The plug shell is provided with a second surrounding wall in the shape of a water droplet, which is matched and compatible with the slot between the first surrounding wall and the seat. The iron column is embedded and fixed in the inner cavity of the second surrounding wall, and the terminal insertion holes are assembled in the positioning interface column and interface table in the inner cavity of the second surrounding wall. The application of the electrical connector structure improves the positioning accuracy of the connector interface and reduces the risk of terminal damage through the shaping adjustment of the water droplet shape. At the same time, on the basis of ensuring the separation resistance of the connector, the assembly efficiency, interface speed, and connection stability of the connector are improved.

[0004] In the above technical solution, in order to realize the foolproof design, the first part of the socket shell is set in the shape of a water droplet. However, the pins are interference-fitted in the perforations and suspended in the socket shell. When connecting the plug and the socket, the pins are prone to bending, affecting the normal use of the connector. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides an electrical connection device that can improve the structural strength of the first terminal and ensure the normal use of the electrical connection device.

[0006] The technical scheme of the utility model is as follows: the utility model provides an electrical connection device, which comprises a socket, a first terminal, a plug, and a second terminal, wherein,

[0007] One end of the socket is provided with a slot;

[0008] One end of the first terminal is fixedly arranged at the end of the socket away from the slot, and the other end of the first terminal penetrates through the socket and abuts against the inner wall of the slot;

[0009] The plug is slidably arranged in the socket and detachably fixed with the socket, and the cross section of the plug and the cross section of the socket are both non-rotationally symmetrical figures.

[0010] The second terminal is fixedly arranged on the plug and abuts against and electrically connects with the first terminal.

[0011] On the basis of the above technical scheme, preferably, the first terminal comprises a fixed end and a connecting end, wherein,

[0012] The fixed end is detachably fixed on the socket;

[0013] The connecting end is fixedly arranged on the fixed end and penetrates and slidably arranged on the socket.

[0014] More preferably, the socket comprises a seat body and a connecting column, wherein,

[0015] The socket is arranged on one end of the seat body;

[0016] The connecting column is fixedly arranged on the seat body away from the socket, and the fixed end is fixedly arranged on the connecting column and arranged in parallel and spaced apart from the seat body.

[0017] More preferably, one end of the fixed end away from the connecting end is provided with a wiring hole.

[0018] More preferably, the connecting end comprises a large-diameter part and a small-diameter part, wherein,

[0019] The large-diameter part is fixedly arranged on the fixed end and abuts against one end of the socket away from the socket;

[0020] The small-diameter part is fixedly arranged on the large-diameter part and penetrates and slidably arranged on the socket.

[0021] More preferably, the large-diameter part is perpendicular to the fixed end;

[0022] The small-diameter part is abuttingly arranged on the inner wall of the socket.

[0023] More preferably, the large-diameter part and the small-diameter part are coaxially arranged, and the outer diameter of the large-diameter part is greater than the outer diameter of the small-diameter part.

[0024] On the basis of the above technical scheme, preferably, the cross section of the plug and the cross section of the socket are both isosceles trapezoidal.

[0025] On the basis of the above technical scheme, preferably, the socket is provided with a clamping groove;

[0026] The plug comprises a connecting head and a latch, the connecting head is slidingly arranged in the slot, one end of the latch is fixedly arranged on the connecting head, and the other end is clamped with the slot.

[0027] On the basis of the above technical scheme, preferably, the first terminal is fixedly connected with the socket through a bolt.

[0028] The electrical connection device has the following beneficial effects relative to the prior art.

[0029] (1) By setting the cross section of the plug and the cross section of the slot as non-rotationally symmetrical figures, the fool-proof design of the connection device is met, reverse connection problems are avoided, the first terminal is abutted against the inner wall of the slot, the structural strength of the first terminal is improved, and normal use of the connection device is ensured.

[0030] (2) By setting the first terminal as comprising a fixed end and a connecting end, detachably connecting the fixed end with the connecting column, and setting a wiring hole on the fixed end, the connecting line of the first terminal can be conveniently connected or replaced.

[0031] (3) By setting the connecting end as comprising a large-diameter part and a small-diameter part, and using the small-diameter part to slidingly cooperate with the socket and the fixed end to detachably connect with the socket, not only the quick assembly of the first terminal can be realized, but also the first terminal can be conveniently disassembled and maintained. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0033] Figure 1 It is a perspective view of the electrical connection device of the present application;

[0034] Figure 2 It is a perspective view of the plug in the electrical connection device of the present application;

[0035] Figure 3 It is a perspective view of the socket in the electrical connection device of the present application;

[0036] Figure 4 It is an exploded view of the first terminal in the electrical connection device of the present application;

[0037] Figure 5 It is a sectional view of the connecting end in the electrical connection device of the present application.

[0038] Wherein: 1, socket; 11, seat; 12, connecting column; 101, slot; 102, clamping groove; 2, first terminal; 21, fixed end; 22, connecting end; 221, large diameter part; 222, small diameter part; 201, wiring hole; 3, plug; 31, connecting head; 32, clamping tongue; 4, second terminal. DETAILED DESCRIPTION

[0039] The technical solutions in the utility model will be clearly and completely described below in combination with specific implementation manners of the utility model. Apparently, the described implementation manners are only part of the implementation manners of the utility model, rather than all the implementation manners. Based on the implementation manners in the utility model, all other implementation manners obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] The electrical connection device is widely applied in power transmission, industrial automation, electronic information and other fields as a key component in an electrical system.

[0041] The electrical connection device comprises a socket 1, a first terminal 2, a plug 3 and a second terminal 4. The first terminal 2 and the second terminal 4 are electrically connected with two electrical components respectively and are fixedly arranged on the socket 1 and the plug 3 respectively. The socket 1 and the plug 3 are detachably fixedly connected. When the plug 3 is fixedly connected with the socket 1, the first terminal 2 and the second terminal 4 are abutted and electrically connected, so that the electrical connection device is realized to be conducted. When the plug 3 is detached from the socket 1, the first terminal 2 and the second terminal 4 are separated, so that the electrical connection device is realized to be powered off.

[0042] As shown in Figure 1 and Figure 3 , one end of the socket 1 is provided with a slot 101. The plug 3 is slidingly arranged in the slot 101 and is detachably fixedly connected with the socket 1. The cross section of the plug 3 and the cross section of the slot 101 are both non-rotationally symmetrical figures, so that a foolproof structure is formed. The reverse connection and other problems of the plug 3 and the socket 1 are avoided, and the use safety of the connection device is ensured.

[0043] One end of the first terminal 2 is fixedly arranged at the end of the socket 1 away from the slot 101. The other end of the first terminal 2 penetrates through the socket 1 and is abutted against the inner wall of the slot 101. When the plug 3 is inserted into the socket 1, the second terminal 4 is abutted against the side of the first terminal 2 away from the inner wall of the slot 101. The bending of the first terminal 2 is avoided, and the connection stability of the first terminal 2 and the second terminal 4 is ensured, so that the normal use of the connection device is ensured.

[0044] As shown in Figure 2 and Figure 3As shown, it is preferable that the cross-section of the plug 3 and the cross-section of the slot 101 are both set to be isosceles trapezoids. The isosceles trapezoid not only has large and small ends, which can realize the foolproof design, but also has multiple planar sidewalls, which provide stable support for the first terminal 2. In addition, the isosceles trapezoid is a symmetrical structure, which can also ensure the ease of use of this connection device.

[0045] like Figure 2 As shown, the plug 3 includes a connector 31 and a latch 32. The connector 31 is slidably disposed in the slot 101. The socket 1 has a slot 102. One end of the latch 32 is fixedly disposed on the connector 31, and the other end is engaged with the slot 102. By sliding the plug 3, the latch 32 can be engaged with the slot 102, thus realizing the installation of the plug 3 and the socket 1. By moving the latch 32, the plug 3 and the socket 1 can be disassembled, improving the convenience of disassembling and assembling the plug 3 and the socket 1. In order to improve the fixed stability of the plug 3, it is preferable to set two latches 32, with the two latches 32 positioned opposite each other on both sides of the connector 31, so as to stably fix the connector 31.

[0046] like Figure 4 As shown, the first terminal 2 includes a fixed end 21 and a connecting end 22. The fixed end 21 is detachably fixed to the socket 1, and the connecting end 22 is fixedly disposed on the fixed end 21 and slides through and onto the socket 1. The fixed end 21 is preferably connected to the socket 1 by bolt fixing, thereby realizing quick assembly and disassembly of the first terminal 2 and the socket 1, so as to improve the ease of assembly and disassembly of the first terminal 2 and the connecting device.

[0047] like Figure 4 As shown, the socket 1 includes a base 11 and a connecting post 12. A slot 101 is opened at one end of the base 11. The connecting post 12 is fixedly disposed at the end of the base 11 away from the slot 101. A fixed end 21 is fixedly disposed on the connecting post 12 and is parallel to and spaced apart from the base 11. The space between the two allows for easy disassembly and assembly of the fixed end 21.

[0048] The fixed end 21 and the connecting post 12 are fixedly connected by bolts, so that the line connected to the first terminal 2 can be pressed against the bolt and the fixed end 21; for example Figure 4 As shown, a wiring hole 201 is provided at the end of the fixed end 21 away from the connecting end 22. Therefore, the line connected to the first terminal 2 can be passed through the wiring hole 201 and soldered to the first terminal 2 to achieve its connection and fixation.

[0049] like Figure 4 and Figure 5As shown, the connecting end 22 comprises a large-diameter part 221 and a small-diameter part 222, the large-diameter part 221 is fixedly arranged on the fixed end 21, the small-diameter part 222 is fixedly arranged on the large-diameter part 221, the small-diameter part 222 is arranged through and slidably arranged on the socket 1, the large-diameter part 221 abuts against one end of the socket 1 away from the insertion groove 101, thereby limiting the connecting end 22, avoiding that the connecting end 22 continues to extend into the insertion groove 101 when the first terminal 2 is fixed.

[0050] As shown in Figure 4 and Figure 5 As shown, the large-diameter part 221 is perpendicular to the fixed end 21, and the small-diameter part 222 is arranged against the inner wall of the insertion groove 101, thereby avoiding that the large-diameter part 221 is inclined when the fixed end 21 is installed, and ensuring the installation stability.

[0051] As a preferred embodiment, as shown in Figure 5 Preferably, the large-diameter part 221 and the small-diameter part 222 are coaxially arranged, and the outer diameter of the large-diameter part 221 is larger than that of the small-diameter part 222, thereby realizing that the large-diameter part 221 abuts against the socket 1, and the small-diameter part 222 is inserted into the insertion groove 101.

[0052] The first terminal 2 and the second terminal 4 can be arranged in multiple numbers, and the multiple first terminals 2 and the multiple second terminals 4 are one-to-one corresponding, thereby realizing multi-way connection conduction.

[0053] The working principle of the electrical connection device is as follows:

[0054] In some embodiments, the first terminal 2 and the second terminal 4 are both arranged in two numbers, the battery is installed in the plug 3, and the positive and negative poles of the battery are respectively electrically connected with the two second terminals 4, and the terminal posts of the electric device are respectively electrically connected with the two first terminals 2, when the plug 3 is inserted into the socket 1, the conduction of the first terminal 2 and the second terminal 4 is realized, and the battery supplies power to the electric device, when the plug 3 is disassembled, the first terminal 2 and the second terminal 4 are separated, thereby realizing the power-off or battery replacement of the electric device.

[0055] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electrical connection device, characterized in that: Includes a socket (1), a first terminal (2), a plug (3), and a second terminal (4), wherein, One end of the socket (1) is provided with a slot (101); One end of the first terminal (2) is fixedly disposed at the end of the socket (1) away from the slot (101), and the other end of the first terminal (2) passes through the socket (1) and abuts against the inner wall of the slot (101); The plug (3) is slidably disposed in the slot (101) and is detachably fixedly connected to the socket (1). The cross-section of the plug (3) and the cross-section of the slot (101) are both non-rotationally symmetric figures. The second terminal (4) is fixedly disposed on the plug (3) and abuts against and is electrically connected to the first terminal (2).

2. The electrical connection device as described in claim 1, characterized in that: The first terminal (2) includes a fixed end (21) and a connecting end (22), wherein, The fixed end (21) is detachably fixed to the socket (1); The connecting end (22) is fixedly disposed on the fixed end (21) and passes through and slides on the socket (1).

3. An electrical connection device as described in claim 2, characterized in that: The socket (1) includes a base (11) and a connecting post (12), wherein, The slot (101) is formed at one end of the base (11); The connecting post (12) is fixedly disposed at one end of the seat (11) away from the slot (101); the fixed end (21) is fixedly disposed on the connecting post (12) and is parallel to and spaced apart from the seat (11).

4. An electrical connection device as described in claim 3, characterized in that: A wiring hole (201) is provided at the end of the fixed end (21) away from the connecting end (22).

5. An electrical connection device as described in claim 2, characterized in that: The connecting end (22) includes a large-diameter portion (221) and a small-diameter portion (222), wherein, The large-diameter portion (221) is fixedly disposed on the fixed end (21) and abuts against the end of the socket (1) away from the slot (101); The small diameter portion (222) is fixedly disposed on the large diameter portion (221) and is slidably disposed on the socket (1) through it.

6. An electrical connection device as described in claim 5, characterized in that: The large-diameter portion (221) is perpendicular to the fixed end (21); The small diameter portion (222) is abutted against the inner wall of the slot (101).

7. An electrical connection device as described in claim 6, characterized in that: The large-diameter portion (221) and the small-diameter portion (222) are coaxially arranged, and the outer diameter of the large-diameter portion (221) is larger than the outer diameter of the small-diameter portion (222).

8. An electrical connection device as described in claim 1, characterized in that: The cross-section of the plug (3) and the cross-section of the slot (101) are both isosceles trapezoids.

9. An electrical connection device as described in claim 1, characterized in that: The socket (1) is provided with a slot (102); The plug (3) includes a connector (31) and a latch (32). The connector (31) is slidably disposed in the slot (101). One end of the latch (32) is fixedly disposed on the connector (31), and the other end is engaged with the slot (102).

10. An electrical connection device as described in claim 1, characterized in that: The first terminal (2) is fixedly connected to the socket (1) by bolts.

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