CN209642152U - A kind of device for protection of terminal and terminal block - Google Patents

Abstract

The utility model discloses a kind of device for protection of terminal and terminal blocks, which is characterized in that including terminal protecting component and cable protection assembly；The terminal protecting component includes support frame and protection board; support frame as described above supports the protection board; the screw-socket to match with the screw of the terminal to be assembled and disassembled is provided on the protection board, the non-screw-socket region of the protection board can cover the terminal adjacent with the terminal to be assembled and disassembled；The side of the terminal protecting component is arranged in the cable protection assembly, and when support frame as described above is fixed in the terminal block, the cable protection assembly can cover connection part corresponding with the screw of the terminal to be assembled and disassembled.The utility model proposes device for protection of terminal and terminal block, can prevent from accidentally tearing open, misconnection terminal fastening screw and connection part, avoid accidentally touching live part and cause injury to personnel.

Description

A terminal protection device and a terminal block

technical field

The utility model relates to the field of electrical equipment, in particular to a terminal protection device and a terminal row.

Background technique

The distribution box is a control center that directs various components in the power supply line to distribute electric energy reasonably. As an accessory product, the terminal block can facilitate the connection of wires to achieve electrical connection. The terminal block is composed of multiple or multiple groups of terminals that are insulated from each other, and is an insulating part that acts as a fixed support. The function of the terminal block is to connect the lines of the on-screen equipment and the off-screen equipment, and play the role of signal transmission. The terminal block is suitable for the interconnection of a large number of wires, which makes the wiring beautiful and easy to maintain; the connection between long-distance wires is more reliable, and the construction and maintenance are more convenient.

At present, the terminals of the existing distribution box do not effectively restrain the terminals to be assembled and disassembled when the terminals are assembled and disassembled, and the distance between the terminals is relatively close, and it is easy to cause accidental contact and misconnection of the terminals when the terminals are assembled and disassembled. If the screw is fastened, it will cause short circuit of equipment and accident of personal injury.

Utility model content

In view of this, the purpose of this utility model is to provide a terminal protection device and a terminal block, which can prevent personnel from accidentally touching live parts and causing personal injury when the terminal block is assembled and disassembled.

Based on the above purpose, the first aspect of the present utility model provides a terminal protection device, including a terminal protection assembly and a cable protection assembly; the terminal protection assembly includes a support frame and a protection plate, and the support frame supports the protection plate , the protective plate is provided with a screw opening matching the screw of the terminal to be assembled and disassembled, and the non-screw opening area of the protective plate can cover the terminal adjacent to the terminal to be assembled and disassembled; The cable protection assembly is arranged on one side of the terminal protection assembly, and when the support frame is fixed on the terminal block, the cable protection assembly can cover the wiring part corresponding to the screw of the terminal to be assembled and disassembled .

Optionally, the support frame includes first, second, third, and fourth support plates; the first support plate and the second support plate are inserted between the terminals to be assembled and disassembled and their partitions In the gap; the third support plate and the fourth support plate are inserted into the gap between the terminal parallel to the terminal to be assembled and disassembled and its separator.

Optionally, the non-screw opening area of the protective plate can cover two rows of terminals adjacent to the left and right of the terminal to be assembled and disassembled.

Optionally, the cable protection assembly is a rectangular protective cover.

Optionally, both the terminal protection component and the cable protection component are transparent insulating materials.

The second aspect of the present utility model provides a terminal block, including the terminal protection device as mentioned above.

It can be seen from the above that the terminal protection device and distribution box provided by the utility model, by fixing the protection device to the terminal block, can protect the wiring parts and screws of the terminals to be disassembled, and prevent misuse. Remove or mistakenly connect the terminal fastening screws to avoid accidental contact with live parts and cause personal injury.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural diagram of a terminal protection device provided by an embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings.

As shown in Figure 1, the first aspect of the present invention provides a terminal protection device, which is applied to a terminal block, including a terminal protection assembly 1 and a cable protection assembly 2; the terminal protection assembly 1 includes a support frame and a protection plate 4, the support frame supports the protective plate 4, and the protective plate 4 is provided with a screw port that matches the screw of the terminal to be assembled and disassembled, and the non-screw port area of the protective plate 4 can cover The terminal adjacent to the terminal to be assembled and disassembled; the cable protection assembly 2 is arranged on one side of the terminal protection assembly, and when the support frame is fixed on the terminal row, the cable protection assembly 2 The wiring portion corresponding to the screw of the terminal to be attached and detached can be covered.

The size of the protective plate 4 can cover the two rows of terminals adjacent to the left and right of the terminal to be assembled and disassembled; the protective plate 4 is provided with a screw port 5 matching the screw of the terminal, and the support The frame is fixed to the terminal row, the screw port 5 corresponds to the screw to be assembled and disassembled, and the remaining adjacent terminals are covered by the protective plate 4; the cable protection assembly 2 and the terminal protection assembly 1 is arranged vertically, and when the support frame is fixed on the terminal block, the cable protection component 2 is buckled on the connection part corresponding to the screw to be assembled and disassembled, so as to protect the cable.

It can be seen from the above-mentioned embodiments that the protection device for terminal strip assembly and disassembly provided by the utility model can effectively treat the terminals to be assembled and disassembled by covering the protection device on the screws and lines to be assembled and disassembled when the terminals are assembled and disassembled. Carry out isolation to avoid accidental dismantling, misconnection and personal injury of terminals.

In some optional implementations, the non-screw opening area of the protective plate can cover the two rows of terminals adjacent to the left and right of the terminal to be assembled and disassembled, so as to realize the protection against accidental disassembly and accidental contact when disassembling and disassembling the terminals. The adjacent terminals are protected. The support frame includes first, second, third, and fourth support plates; the first support plate 301 and the second support plate 302 are inserted into the gap between the terminals to be assembled and disassembled and their partitions; The third support plate 303 and the fourth support plate 304 are inserted into the gap between the terminal that is parallel to the terminal to be assembled and disassembled and its separator. The above-mentioned protection device not only plays the role of fixing the protection device, but also prevents other terminals that do not need to be assembled and disassembled from being accidentally removed, connected or touched by mistake, and avoids the possibility of touching other terminals of the terminal block.

The utility model provides another embodiment of a terminal row assembly and disassembly protection device. The terminal protection component and the cable protection component of the terminal protection device for attaching and disassembling terminals of the terminal strip can be made of transparent insulating materials such as polycarbonate (PC), polyvinyl chloride (PVC), and plexiglass. The transparent protective device can clearly see whether the screw is fully inserted into the terminal block, whether the screw is fastened, and whether the corresponding cable is pulled out or inserted correctly, which improves the accuracy of terminal assembly and disassembly.

The utility model provides another embodiment of a terminal row assembly and disassembly protection device. Referring to Fig. 1, the cable protection assembly 2 is arranged in the same direction as the cable, and is a rectangular protective cover integrated with the terminal protection assembly 1; when the terminal protection assembly is fixed on the terminal block, the cable protection assembly 2 Buckle on the corresponding wiring part to bind the wiring part of the terminal to be assembled and disassembled. When removing the terminal, loosen the screw of the terminal, and after the screw is completely loose, pull out the cable from the end of the cable protection component to avoid touching other terminals of the terminal block and the wiring parts of other terminals; when installing the terminal, Fix the protection device on the terminal block in advance, align the screw port of the terminal protection device with the terminal screw to be installed, and then insert the cable and terminal from the tail end of the cable protection device, which can be clearly seen through the transparent protection device Check whether the terminals and cables are fully inserted into the terminal block. After they are fully inserted, tighten the screws to complete the installation of the terminals to avoid mis-installation or disassembly.

The second aspect of the utility model provides a terminal block, which includes the protection device for installing and disassembling terminals of the terminal block according to any one of the above-mentioned embodiments. When disassembling and modifying the terminals and terminal blocks in the distribution box, effective isolation is formed between the terminals and terminal blocks that need to be assembled and disassembled and other terminals and terminal blocks, so as to improve the safety of operators when maintaining the distribution box.

Those of ordinary skill in the art should understand that: the discussion of any of the above embodiments is exemplary only, and is not intended to imply that the scope of the present disclosure (including claims) is limited to these examples; under the idea of the present utility model, the above embodiments Or combinations of technical features in different embodiments are also possible, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, within the spirit and principle of the present utility model, any omission, modification, equivalent replacement, improvement, etc. should be included in the protection scope of the present utility model.

Claims (6)

1. A terminal protection device applied to a terminal block, characterized in that it includes a terminal protection assembly and a cable protection assembly; the terminal protection assembly includes a support frame and a protection plate, the support frame supports the protection plate, and the The protective plate is provided with a screw port matching the screw of the terminal to be assembled and disassembled, and the non-screw port area of the protective plate can cover the terminal adjacent to the terminal to be assembled and disassembled; the cable protection assembly It is arranged on one side of the terminal protection assembly, and when the support frame is fixed on the terminal block, the cable protection assembly can cover the wiring part corresponding to the screw of the terminal to be assembled and disassembled. 2. The terminal protection device according to claim 1, wherein the support frame includes first, second, third and fourth support plates; the first support plate and the second support plate are inserted into In the gap between the terminal to be assembled and disassembled and its partition; the third support plate and the fourth support plate are inserted into the gap between the terminal to be assembled and disassembled and its partition. 3 . The terminal protection device according to claim 1 , wherein the non-screw opening area of the protection plate can cover two rows of terminals adjacent to the left and right of the terminal to be assembled and disassembled. 4 . 4. The terminal protection device according to claim 1, wherein the cable protection assembly is a rectangular protection cover. 5 . The terminal protection device according to claim 1 , wherein both the terminal protection component and the cable protection component are transparent insulating materials. 6. A terminal strip, comprising the terminal protection device according to any one of claims 1-5.