CN220368203U - Binding post structure - Google Patents

Abstract

The utility model discloses a terminal structure, which includes a mounting base, both ends of which are provided with grooves; a wiring terminal, which is inserted into the mounting base, and both ends of the wiring terminal extend from the mounting base. Outside the two end faces, it is used to connect cable crimping terminals respectively; the insulation cover has a first socket at one end, and a second socket that matches the groove at the other end of the insulation cover, and the second socket is embedded in the groove. , used to place a pair of insulating covers on the mounting base respectively and shield the terminals. The terminal structure using the above-mentioned structure can prevent the accumulation of dirt, enhance the insulation effect, avoid flashover phenomena, and improve safety performance.

Description

A terminal structure

Technical field

The utility model relates to the technical field of electrical protection devices, and more specifically, to a terminal structure.

Background technique

A binding post is an electrical component used to connect different cables (or wires) together. It is usually made of insulating materials such as plastic and ceramics. It contains metal screws or springs inside to clamp the wires to provide convenient wiring. .

The terminal block usually consists of terminal block 02 and mounting base 01. For details, please refer to Figure 1. Terminal block 02 is installed on the mounting base 01 and is conductive. The cable terminal has cable crimping terminal 04 and terminal block 02. Both ends are connected with cable crimp terminals 04 to enable multiple cable 03 connections. However, the wiring terminals 02 and cable crimping terminals 04 on the binding posts are exposed. As dust and water vapor accumulate in the air, dirt can easily form conductors, causing the wiring terminals 02 and cable crimping terminals 04 to be charged. Insulation fails and flashover occurs.

In summary, how to provide a terminal structure that can prevent the accumulation of dirt, enhance the insulation effect, avoid flashover phenomena, and improve safety performance is an urgent problem that needs to be solved by those skilled in the art.

Utility model content

In view of this, the purpose of the present utility model is to provide a terminal structure that can prevent the accumulation of dirt, enhance the insulation effect, avoid flashover phenomena, and improve safety performance.

In order to achieve the above objects, the present utility model provides the following technical solutions:

A terminal structure including:

A mounting base with grooves at both ends;

Terminals are installed in the mounting base, and both ends of the wiring terminals extend beyond the two end surfaces of the mounting base, and are used to connect cable crimping terminals respectively;

An insulating cover is provided with a first socket at one end, and a second socket adapted to the groove is provided at the other end of the insulating cover. The second socket is embedded in the groove and is used to connect a pair of The insulation covers are respectively placed on the mounting bases and cover the terminals.

Preferably, the mounting base includes a base and a pair of connecting bases arranged coaxially with the base. The pair of connecting bases are respectively provided on both end surfaces of the base, and each connecting base is provided with a The groove.

Preferably, the insulation cover is an elastic cylindrical structure.

Preferably, the connecting seat is cylindrical, the groove is an annular groove, both the first socket and the second socket are circular holes, and the diameter of the second socket is slightly smaller than the annular groove. The diameter setting of the groove.

Preferably, the connection terminal and the base are coaxially arranged.

Preferably, the outer surface of the mounting base is covered with a nylon layer.

Compared with the above background technology, when the terminal structure provided by the present utility model is used, the cable on one side first passes through the first socket and the second socket of the insulation cover in sequence, and extends out of the insulation cover, and the cable terminal head of the cable is pressed The connecting terminal is fixedly connected to the lower end of the wiring terminal, the insulating cover is pushed upward, and the second socket is embedded in the groove at the lower end of the mounting base, so that the insulating cover is firmly set on the lower end of the mounting base and shielded The lower end of the wiring terminal also shields the cable crimping terminal; the cable installation method on the other side is the same as the above-mentioned principle. The cable crimping terminal is fixedly connected to the upper end, and the insulation cover is firmly set on the upper end of the mounting base, and Shield the upper end of the terminal block and the cable crimping terminal at the same time to complete the connection of the cables on both sides. The cable crimping terminal and the wiring terminal are insulated and isolated by a pair of insulating covers to prevent dust, water vapor and other contaminants in the air. Accumulate on charged objects to enhance the insulation effect to avoid flashover and improve safety performance.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description These are only embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on the provided drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of a terminal structure in use in the prior art;

Figure 2 is a schematic structural diagram of a terminal structure provided by the utility model;

Figure 3 is a schematic structural diagram of a terminal structure provided by the utility model in use;

Figure 4 is a schematic diagram of the installation of the mounting base and terminal blocks provided by the utility model;

Figure 5 is a schematic diagram of the installation of the lower insulation cover provided by the utility model.

In Figures 1 to 5, reference signs include:

01 is the mounting base, 02 is the terminal block, 03 is the cable, and 04 is the cable crimp terminal;

1 is the mounting base, 2 is the terminal block, 3 is the cable, 4 is the cable crimp terminal, 5 is the upper insulation cover, 6 is the lower insulation cover, 7 is the base, 8 is the connection base, 9 is the groove, 10 is The first socket, 11 is the second socket, 12 is the through plate or mounting plate, and 13 is the bolt hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

The core of the utility model is to provide a terminal structure that can prevent the accumulation of dirt, enhance the insulation effect, avoid flashover phenomena, and improve safety performance.

It should be noted that in this embodiment, the orientation or positional relationship indicated by "up", "down", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than Any indication or implication that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation shall not be construed as a limitation on the present application. In addition, the terms “first” and “second” are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

Please refer to Figure 2 and Figure 4. This application provides a terminal structure, including a mounting base 1, a wiring terminal 2 and an insulating cover. Both ends of the mounting base 1 are provided with grooves 9, and the wiring terminal 2 is inserted through In the mounting base 1, and both ends of the wiring terminal 2 extend beyond the two end surfaces of the mounting base 1, they are used to connect the cable crimping terminals 4 respectively. One end of the insulation cover is provided with a first socket 10, and the insulation cover is provided with a first socket 10. The other end is provided with a second socket 11 that matches the groove 9. The second socket 11 is embedded in the groove 9 and is used for respectively placing a pair of insulating covers on the mounting base 1 and shielding the terminals 2.

Specifically, the upper and lower ends of the mounting base 1 are provided with grooves 9 for connecting the insulation cover. The terminal 2 has conductivity and is preferably a copper terminal 2 with low resistivity, reliability and safety. The terminal 2 plugs into It is located in the mounting base 1, and its upper and lower ends protrude from both end surfaces of the mounting base 1. The terminal head of the cable 3 has a cable crimping terminal 4, and the cable 3 can pass through the crimping terminal and the terminal 2. The upper and lower ends of the mounting base 1 are respectively equipped with an upper insulating cover 5 and a lower insulating cover 6. The top surfaces of the two insulating covers are provided with first sockets 10 and the bottom surfaces are provided with second sockets 11, so as to Stretch the cable 3 into the insulating cover and extend the cable crimping terminal 4, and fix it to the end of the terminal 2, and the second socket 11 is adapted to the groove 9, and the second socket of the upper insulating cover 5 is 11 is embedded in the groove 9 at the upper end of the mounting base 1 , and the second socket 11 of the lower insulation cover 6 is embedded in the groove 9 at the lower end of the mounting base 1 to insulate and isolate the cable crimping terminal 4 and the wiring terminal 2 .

The terminal structure is often used to connect the through-panel cable 3 or the installation plate inlet and outlet of the electrical cabinet. When using the above structure, please refer to Figure 3 and Figure 5. The mounting base 1 is fixed on the through-panel or the installation plate 12. The side cable 3 first passes through the first socket 10 and the second socket 11 of the lower insulating cover 6 in sequence, and extends out of the lower insulating cover 6. The cable crimping terminal 4 of the terminal head of the cable 3 is fixed to the lower end of the terminal 2 Connect, push the insulating cover upwards, and insert the second socket 11 into the groove 9 at the lower end of the mounting base 1, so that the insulating cover is firmly set on the lower end of the mounting base 1, and shields the lower end of the terminal 2 part, while shielding the cable crimping terminal 4; the installation method of the cable 3 on the other side is the same as the above-mentioned principle, the cable crimping terminal 4 is fixedly connected to the upper end, and the insulation cover is firmly set on the upper end of the mounting base 1, and Shield the upper end of the terminal 2 and the cable crimp terminal 4 at the same time to complete the connection of the cables 3 on both sides, and insulate and isolate the cable crimp terminal 4 and the terminal 2 through a pair of insulating covers to prevent dust and Water vapor and other contaminants accumulate on the charged body, enhancing the insulation effect to avoid flashover and improve safety performance.

Optionally, the upper and lower ends of the terminal block 2 are provided with bolt holes 13 for connecting the cable crimping terminals 4 of the cables 3 on both sides through bolts. This installation method facilitates the installation of the cable 3.

Based on the above embodiment, the mounting base 1 includes a base 7 and a pair of connecting bases 8 coaxially arranged therewith. The pair of connecting bases 8 are respectively provided on both end surfaces of the base 7 , and each connecting base 8 has a Groove 9 is provided.

Specifically, in order to ensure that the terminal structure is stably installed on the electrical appliance, the mounting base 1 is composed of a base 7 and two connecting bases 8. The base 7 is fixedly connected to the electrical appliance through bolts, and the two connecting bases 8 are respectively provided on the base. 7, and the two connecting seats 8 are coaxial with the base 7 and are an integrally formed structure to enhance the stability of the structure; in addition, a groove 9 is provided on each connecting seat 8 for connection Insulating cover.

On the basis of the above embodiment, the insulating cover is an elastic cylindrical structure. Specifically, the insulating cover is a cylindrical structure, which is structurally adapted to the cable 3, so that the cable 3 can extend into the insulating cover and still have a certain space; in addition, After the cable 3 is hooked up, when the cable 3 is bent to a certain extent, the insulation cover is elastic and can bend with the cable 3 without falling off, thereby improving the adaptability of the insulation cover and improving the stability of the insulation cover.

Optionally, the insulation cover can be made of silicone rubber, which has excellent insulation and aging resistance. Other types of materials can also be used, as long as the insulation performance and elasticity are met.

Based on the above embodiment, please refer to Figure 2. Both the first socket 10 and the second socket 11 are circular holes, which facilitates the cable 3 to pass through the first socket 10 and the second socket 11 in sequence, while avoiding wear of the two sockets. Cable 3; the connecting seat 8 is cylindrical, and the groove 9 is an annular groove. Since the insulating cover is elastic, the circular hole on the bottom end of the insulating cover can be inserted into the wall of the annular groove of the connecting seat 8. In addition , the diameter of the circular hole is slightly smaller than the diameter of the annular groove, so that the insulation cover can be firmly set on the mounting base 1 .

On the basis of the above embodiment, the terminal 2 and the base 7 are coaxially arranged. Since both ends of the terminal 2 are connected to the cable crimping terminals 4, when the cable 3 is bent or twisted to a certain extent, the terminal 2 shakes. The amplitude is small without affecting its performance, thereby improving the stability of the terminal 2.

On the basis of the above embodiments, the outer surface of the mounting base 1 is covered with a nylon layer, so that the mounting base 1 has good friction resistance, thermal stability, oxidation resistance and insulation properties to increase the service life of the mounting base 1 and safety performance.

Optional, the nylon layer is made of the widely used PA66 material, and other materials can also be used, and the type is not unique.

It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply the existence of any such relationship between these entities. Actual relationship or sequence.

Each embodiment in this specification is described in a progressive manner. Each embodiment focuses on its differences from other embodiments. The same and similar parts between the various embodiments can be referred to each other.

The structure of the terminal block provided by the present utility model has been introduced in detail above. This article uses specific examples to illustrate the principles and implementation methods of the present utility model. The description of the above embodiments is only used to help understand the method and the core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made to the present utility model, and these improvements and modifications also fall within the protection of the claims of the present utility model. within the range.

Claims (6)

1. A terminal structure, characterized in that it includes: The mounting base (1) is provided with grooves (9) at both ends; The terminal block (2) is inserted into the mounting base (1), and both ends of the terminal block (2) extend beyond the two end surfaces of the mounting base (1). Connect the cable crimp terminals (4) respectively; An insulating cover is provided with a first socket (10) at one end, and a second socket (11) adapted to the groove (9) is provided at the other end of the insulating cover, and the second socket (11) is embedded In the groove (9), a pair of the insulating covers are respectively placed on the mounting base (1) and shield the terminals (2). 2. The terminal structure according to claim 1, characterized in that the mounting base (1) includes a base (7) and a pair of connecting bases (8) coaxially arranged therewith, and the pair of connecting bases (8) are respectively provided on both end surfaces of the base (7), and each of the connecting seats (8) is provided with the groove (9). 3. The terminal structure according to claim 2, wherein the insulation cover is an elastic cylindrical structure. 4. The terminal structure according to claim 3, characterized in that the connecting seat (8) is cylindrical, the groove (9) is an annular groove, the first socket (10) and the The second sockets (11) are all circular holes, and the diameter of the second sockets (11) is slightly smaller than the diameter of the annular groove. 5. The terminal structure according to any one of claims 2 to 4, characterized in that the terminal (2) and the base (7) are coaxially arranged. 6. The terminal structure according to any one of claims 1 to 4, characterized in that the outer surface of the mounting base (1) is covered with a nylon layer.