Insulation binding post for low-voltage electric connection

Abstract

The utility model discloses an insulating binding post for low-voltage electric connection, which comprises a binding post body, the binding post body consists of an insulating shell and a conductive core, and the conductive core is arranged in the insulating shell and is used for connecting and fixing two low-voltage conductive wires; the conductive core comprises an upper conductive plate and a lower conductive plate, and the upper conductive plate and the lower conductive plate are horizontally arranged in parallel and are correspondingly arranged in the insulating shell. A conductive core in a binding post body is arranged to be in a split type, so that an upper conductive plate is movably installed in an insulating shell, and after two low-voltage conductive wires enter the insulating binding post from connecting holes, the low-voltage conductive wires push a first elastic piece abutting against the top of the upper conductive plate to be compressed; and elastic potential energy generated by compression of the first elastic piece pushes the upper conductive plate to press the low-voltage conductive wire entering the conductive core, so that the connection firmness of the insulating binding post to the low-voltage conductive wire is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of terminal posts, in particular to an insulating terminal post used for low-voltage electrical connection. Background Art

[0002] With the rapid development of social economy, people's demand for electricity has become more and more diversified, so various electrical application equipment have been designed and manufactured. As the conductive wire terminal of electrical equipment, it is like a screw in an electrical building, and the demand for use is very large. As a daily low-voltage electrical connection terminal, it is necessary to connect and tighten the low-voltage electrical wire.

[0003] Conventional terminals usually use bolts to compress and fix two low-voltage electrical wires. Existing insulated terminals usually have an insulating shell on the outside of the terminals to insulate the terminals, while the connection method inside the terminals is still the traditional screw connection. This connection method has the problems of insufficient connection contact surface, poor conductivity, and the connection of the load lead is also easy to loosen, which can easily cause poor contact between the load lead and the terminal, resulting in heating and other conditions. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide an insulating terminal for low-voltage electrical connection, which is used to solve the problem that the existing insulating terminal usually has an insulating shell on the outside of the terminal to insulate the terminal, while the connection method inside the terminal is still the traditional screw connection. This connection method has the problems of insufficient connection contact surface, poor conductivity, and the connection of the load lead is easy to loosen, which can easily cause poor contact between the load lead and the terminal, resulting in heat and other technical problems.

[0005] According to the technical solution provided in the embodiment of the present application, an insulating terminal for low-voltage electrical connection includes a terminal body, which is composed of an insulating shell and a conductive core, wherein the conductive core is installed inside the insulating shell to connect and fix two low-voltage conductive wires;

[0006] The conductive core comprises an upper conductive plate and a lower conductive plate, wherein the upper conductive plate and the lower conductive plate are arranged horizontally and correspondingly in the insulating shell, and the upper conductive plate is movably mounted on the top of the lower conductive plate, so that after the low-voltage conductive line enters the conductive core, the upper conductive plate is pushed to move upward along the inside of the insulating shell;

[0007] A clamping mechanism is vertically movably mounted on the upper conductive plate of the conductive core, and the clamping mechanism includes a clamping plate and a clamping bolt. The clamping plate is movably mounted in a slide groove on the upper conductive plate, and the top of the clamping plate abuts against the clamping bolt, so that the clamping bolt drives the clamping plate to move downward along the slide groove to clamp and connect the low-voltage conductive wire in the conductive core.

[0008] Furthermore, the upper conductive plate and the lower conductive plate are provided with connection grooves correspondingly, the connection grooves are arc-shaped structures, and the surfaces of the connection grooves are tooth-shaped, so as to increase the contact friction between the conductive core and the low-voltage conductive wire.

[0009] Furthermore, a first elastic member is installed in the insulating shell, and the first elastic member is arranged on the top of the upper conductive plate and is used for elastic abutment of the upper conductive plate.

[0010] Furthermore, two movable grooves are provided on the clamping plate, each of which is equipped with a corresponding second elastic member, and a guide rod is also installed in the movable groove, a limit block is fixedly installed at the bottom of the guide rod, and the second elastic member is sleeved on the guide rod for limiting the movement of the clamping plate.

[0011] Furthermore, wiring holes are provided on both sides of the insulating shell, and sealing rings are installed at the wiring holes for sealing the wiring holes.

[0012] Furthermore, the first elastic member and the second elastic member are both springs made of insulating material.

[0013] In summary, the beneficial effects of this application are:

[0014] First, by setting the conductive core in the terminal body into a split type, so that the upper conductive plate is movably installed in the insulating shell, so that after the two low-voltage conductive wires enter the insulating terminal from the connection hole, the low-voltage conductive wire pushes the first elastic member abutting the top of the upper conductive plate to compress, so that the elastic potential energy generated by the compression of the first elastic member pushes the upper conductive plate to press the low-voltage conductive wire entering the conductive core, thereby improving the connection firmness of the insulating terminal to the low-voltage conductive wire;

[0015] Second, by setting a slide groove on the upper conductive plate and installing a clamping mechanism in the slide groove, the clamping plate on the clamping mechanism moves along the vertical direction of the slide groove under the rotation of the abutting clamping bolt, thereby clamping the low-voltage conductive wire fixed by the upper conductive plate and the lower conductive plate to prevent the connection between the two low-voltage conductive wires from loosening, so that the low-voltage conductive wire is fully in contact with the connecting contact surface of the terminal body, thereby improving the conductive performance of the terminal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the insulating shell of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the terminal of the utility model;

[0020] Figure 4 It is a schematic diagram of the front cross-section structure of the terminal of the utility model.

[0021] Numbers in the figure: terminal body - 100, insulating shell - 110, wiring hole - 111, sealing ring - 112, conductive core - 120, upper conductive plate - 121, slide groove - 1211, lower conductive plate - 122, connecting groove - 1221, clamping mechanism - 130, clamping plate - 131, movable groove - 1311, clamping bolt - 132, second elastic member - 133, guide rod - 134, first elastic member - 140. DETAILED DESCRIPTION

[0022] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] An insulating terminal for low voltage electrical connection, the structure of which is as follows Figure 1-Figure 4As shown, it includes a terminal body 100, which is composed of an insulating shell 110 and a conductive core 120. The conductive core 120 is installed inside the insulating shell 110 to connect and fix two low-voltage conductive wires; the conductive core 120 includes an upper conductive plate 121 and a lower conductive plate 122. The upper conductive plate 121 and the lower conductive plate 122 are horizontally arranged in parallel and correspondingly arranged in the insulating shell 110, and the upper conductive plate 121 is movably installed on the top of the lower conductive plate 122, so that after the low-voltage conductive wire enters the conductive core 120, it pushes the upper conductive plate 121 to connect the two low-voltage conductive wires. The electric plate 121 moves upward along the inside of the insulating shell 110; the clamping mechanism 130 is vertically movably installed on the upper conductive plate 121 of the conductive core 120, and the clamping mechanism 130 includes a clamping plate 131 and a clamping bolt 132, the clamping plate 131 is movably installed in the slide groove 1211 on the upper conductive plate 121, and the top of the clamping plate 1311 abuts against the clamping bolt 132, so that the clamping bolt 132 drives the clamping plate 131 to move downward along the slide groove 1211, so as to compress and connect the low-voltage conductive wire in the conductive core 120.

[0025] During the process of connecting the low-voltage conductive wires by the insulating terminal, the two low-voltage conductive wires enter the conductive core 120 on the terminal body 100 from the two wiring holes set on the insulating shell 110, and the conductive core 120 is set in a split type, which is composed of an upper conductive plate 121 and a lower conductive plate 122, so that the two low-voltage conductive wires entering the conductive core 120 push the upper conductive plate 121 to move up along the insulating shell 110, so that the first elastic member 140 abutted against the top of the upper conductive plate 121 is compressed, so that the elastic potential energy generated by the compression of the first elastic member 140 pushes the upper conductive plate 121 to connect the two low-voltage conductive wires. The wire is pressed in the connecting groove 1221 on the lower conductive plate 122. In order to improve the connection stability of the insulating terminal to the low-voltage conductive wire, a slide groove 1211 is also provided on the upper conductive plate 121, and a clamping mechanism 130 is installed in the slide groove 1211, so that the clamping plate 131 on the clamping mechanism 130 moves downward along the slide groove 1211 under the rotation of the abutting clamping bolt 132, so that the clamping plate 131 clamps and fixes the low-voltage conductive wire on the lower conductive plate 122 to prevent the low-voltage conductive wire from loosening, thereby improving the connection stability and conductive efficiency of the insulating terminal to the low-voltage conductive wire.

[0026] As a preferred embodiment, please refer to Figure 3 and Figure 4 A connecting groove 1221 is correspondingly provided on the upper conductive plate 121 and the lower conductive plate 122. The connecting groove 1221 is an arc-shaped structure, and the surface of the connecting groove 1221 is toothed, which is used to increase the contact friction between the conductive core 120 and the low-voltage conductive wire, so that the low-voltage conductive wire is in full contact with the conductive core 120, thereby improving the conductive efficiency of the insulating terminal.

[0027] As a preferred embodiment, please refer to Figure 2and Figure 3 A first elastic member 140 is also installed in the insulating shell 110. The first elastic member 140 is arranged on the top of the upper conductive plate 121 and is used for elastic abutment of the upper conductive plate 121, so that the two low-voltage conductive wires entering the conductive core 120 push the upper conductive plate 121 to move upward along the insulating shell 110, so that the first elastic member 140 abutted on the top of the upper conductive plate 121 is compressed, so that the elastic potential energy generated by the compression of the first elastic member 140 pushes the upper conductive plate 121 to press the two low-voltage conductive wires tightly into the connecting groove 1221 on the lower conductive plate 122.

[0028] As a preferred embodiment, please refer to Figure 3 and Figure 4 Two movable grooves 1311 are also provided on the clamping plate 131, and a corresponding second elastic member 133 is installed in each movable groove 1311, and a guide rod 134 is also installed in the movable groove 1311, and a limiting block is fixedly installed at the bottom of the guide rod 134, and the second elastic member 133 is sleeved on the guide rod 134, so that when the clamping bolt 132 pushes the clamping plate 131 to move downward along the slide groove 1211, the second elastic member 133 is compressed, and the clamping plate 131 moves downward along the guide rod 134, and the limiting plate fixedly connected to the bottom of the guide rod 134 limits the movement of the clamping plate 131.

[0029] As a preferred embodiment, please refer to Figure 1 and Figure 2 Wiring holes 111 are also provided on both sides of the insulating housing 110. Sealing rings 112 are installed at the wiring holes 111. The sealing rings 112 are made of rubber and are used to seal the low-voltage conductive wires at the wiring holes 111 to prevent dust and water vapor from entering.

[0030] As a preferred embodiment, please refer to Figure 3 and Figure 4 The first elastic member 140 and the second elastic member 133 are both springs made of insulating materials.

[0031] The working principle of the insulating terminal for low voltage electrical connection of the utility model is:

[0032] During the process of connecting the low-voltage conductive wire by the insulating terminal, the two low-voltage conductive wires enter the conductive core 120 on the terminal body 100 from the two wiring holes 111 set on the insulating shell 110, and the conductive core 120 is set in a split type, consisting of an upper conductive plate 121 and a lower conductive plate 122, so that the two low-voltage conductive wires entering the conductive core 120 push the upper conductive plate 121 to move upward along the insulating shell 110, so that the first elastic member 140 abutted against the top of the upper conductive plate 121 is compressed, so that the elastic potential energy generated by the compression of the first elastic member 140 pushes the upper conductive plate 121 to press the two low-voltage conductive wires into the connecting groove 1221 on the lower conductive plate 122, and the connecting groove 1221 is a tooth-shaped structural surface, which increases the connection surface with the low-voltage conductive wire, improves the conductive stability of the insulating terminal to the low-voltage conductive wire, and is In order to improve the connection stability of the insulating terminal to the low-voltage conductive wire, a slide groove 1211 is provided on the upper conductive plate 121, and a clamping mechanism 130 is installed in the slide groove 1211, so that the clamping plate 131 on the clamping mechanism 130 moves downward along the slide groove 1211 when the abutting clamping bolt 132 rotates, so that the clamping plate 131 clamps and fixes the low-voltage conductive wire on the lower conductive plate 122 to prevent the low-voltage conductive wire from loosening, thereby improving the connection stability and conductive efficiency of the insulating terminal to the low-voltage conductive wire. At the same time, wiring holes 111 are provided on both sides of the insulating shell 110, and rubber sealing rings 112 are installed on the wiring holes 111, so that the sealing ring 112 seals the connection of the low-voltage conductive wire connected to the terminal to prevent dust and water vapor from entering, thereby improving the conductive efficiency of the insulating terminal.

[0033] The beneficial effects of the insulating terminal for low-voltage electrical connection of the utility model are:

[0034] First, by setting the conductive core 120 in the terminal body into a split type, so that the upper conductive plate 121 is movably installed in the insulating housing 110, so that after the two low-voltage conductive wires enter the insulating terminal from the connecting hole 111, the low-voltage conductive wires push the first elastic member 140 abutting against the top of the upper conductive plate 121 to compress, so that the elastic potential energy generated by the compression of the first elastic member 140 pushes the upper conductive plate 121 to press the low-voltage conductive wire entering the conductive core 120, thereby improving the connection firmness of the insulating terminal to the low-voltage conductive wire;

[0035] Second, by setting a slide groove 1211 on the upper conductive plate 121 and installing a clamping mechanism 130 in the slide groove 1211, the clamping plate 131 on the clamping mechanism 130 can move along the vertical direction of the slide groove 1211 under the rotation of the abutting clamping bolt 132, thereby clamping the low-voltage conductive wire fixed by the upper conductive plate 121 and the lower conductive plate 122 to prevent the connection between the two low-voltage conductive wires from loosening, so that the low-voltage conductive wire can fully contact the connecting contact surface of the terminal body 100, thereby improving the conductive performance of the terminal.

[0036] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the utility model involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also includes other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) to form a technical scheme.

Claims

1. An insulating terminal for low voltage electrical connection, characterized in that: It comprises a terminal body (100), which is composed of an insulating shell (110) and a conductive core (120), wherein the conductive core (120) is installed inside the insulating shell (110) and is used to connect and fix two low-voltage conductive wires; The conductive core (120) comprises an upper conductive plate (121) and a lower conductive plate (122), wherein the upper conductive plate (121) and the lower conductive plate (122) are arranged horizontally and correspondingly in the insulating housing (110), and the upper conductive plate (121) is movably mounted on the top of the lower conductive plate (122) so that after the low-voltage conductive line enters the conductive core (120), the upper conductive plate (121) is pushed to move upward along the inside of the insulating housing (110); A clamping mechanism (130) is vertically movably mounted on the upper conductive plate (121) of the conductive core (120), and the clamping mechanism (130) comprises a clamping plate (131) and a clamping bolt (132), wherein the clamping plate (131) is movably mounted in a slide groove (1211) on the upper conductive plate (121), and the top of the clamping plate (131) abuts against the clamping bolt (132), so that the clamping bolt (132) drives the clamping plate (131) to move downward along the slide groove (1211), so as to clamp and connect the low-voltage conductive wire in the conductive core (120).

2. The insulating terminal for low voltage electrical connection according to claim 1, characterized in that: The upper conductive plate (121) and the lower conductive plate (122) are provided with connection grooves (1221) correspondingly, the connection grooves (1221) are arc-shaped structures, and the surfaces of the connection grooves (1221) are tooth-shaped, so as to increase the contact friction between the conductive core (120) and the low-voltage conductive wire.

3. The insulating terminal for low voltage electrical connection according to claim 1, characterized in that: A first elastic member (140) is also installed in the insulating housing (110); the first elastic member (140) is arranged on the top of the upper conductive plate (121) and is used for elastically abutting the upper conductive plate (121).

4. The insulating terminal for low voltage electrical connection according to claim 1, characterized in that: The clamping plate (131) is also provided with two movable grooves (1311), each of which is provided with a corresponding second elastic member (133), and a guide rod (134) is also provided in the movable groove (1311), a limit block is fixedly installed at the bottom of the guide rod (134), and the second elastic member (133) is sleeved on the guide rod (134) and is used for limiting the movement of the clamping plate (131).

5. The insulating terminal for low voltage electrical connection according to claim 1, characterized in that: Wiring holes (111) are also provided on both sides of the insulating housing (110), and sealing rings (112) are installed at the wiring holes (111) for sealing the wiring holes (111).

6. The insulating terminal for low voltage electrical connection according to claim 3, characterized in that: The first elastic member (140) is a spring made of insulating material.

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