Circuit protection device for electrical engineering

Abstract

The invention discloses a line protection device for electrical engineering, and the device comprises a protection housing, the interior of the protection housing is fixedly connected with a fixed plate, the top of the fixed plate is provided with a clamping plate, the top of the protection housing is provided with a top cover, the bottom of the top cover is provided with a pressing plate, and one side of the interior of the pressing plate is provided with a sliding groove. Sliding blocks are symmetrically and slidably connected into the sliding grooves, clamping plates are symmetrically and fixedly connected to one side of the bottom of the top cover, the clamping plates can be mounted and dismounted according to the number of lines needing to be protected actually, the device can protect the multiple lines conveniently, and the practicability of the device is improved; the sliding block can slide in the sliding groove through the acting force of the first spring, meanwhile, the height of the pressing plate is adjusted, cables with different diameters can be conveniently clamped and fixed through the pressing plate and the clamping plate, the stability of a circuit is improved, extrusion to the cables can be avoided, effective protection to the circuit is achieved, and the service life of the circuit is prolonged.

Description

Technical Field

[0001] The invention belongs to the technical field of electrical engineering, and in particular relates to a line protection device for electrical engineering. Background Art

[0002] Electricity is an important material basis for developing production and improving people's living standards. The application of electricity is constantly deepening and developing. Electrical automation is an important symbol of the modernization of the national economy and people's lives. In terms of international standards, the demand for electricity will continue to grow for a long time in the future, and the demand for electrical engineering and automation scientific and technological workers in society will be on the rise. The major of electrical engineering and automation mainly studies the engineering technology foundation and certain professional knowledge in a wider range of fields such as electrical technology, electronic technology, automatic control theory, information processing, computer technology and application, etc., and receives basic training in electrical and electronic, information control and computer technology. It has the ability to control and analyze industrial processes and solve technical problems of a wide range of majors such as strong and weak electricity. In electrical engineering, it is necessary to protect the cables connecting various devices.

[0003] Existing line protection devices cannot withstand greater external pressure. After long-term use, the outer side of the line will be squeezed and worn a lot, reducing the service life of the cable. In addition, the installation structure of the device is relatively complex, which makes it difficult to adjust the interior of the line protection device in a timely manner. When too many lines are laid, the installation efficiency is affected. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a line protection device for electrical engineering to solve the problem that the existing line protection device mentioned in the above background technology cannot withstand greater external pressure, the outer side of the line will be squeezed and worn a lot after long-term use, which reduces the service life of the cable, and the device installation structure is relatively complicated, which is not convenient for timely adjustment of the interior of the line protection device. When too many lines are laid, the installation efficiency is affected.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a line protection device for electrical engineering, comprising a protective shell, a fixing plate is fixedly connected inside the protective shell, a clamping plate is arranged on the top of the fixing plate, a top cover is arranged on the top of the protective shell, a pressure plate is arranged on the bottom of the top cover, a slide groove is arranged on one side inside the pressure plate, a sliding block is symmetrically slidably connected inside the slide groove, a clamping plate is symmetrically fixedly connected on one side of the bottom of the top cover, a connecting block is symmetrically fixedly connected on one side of the protective shell, a groove is arranged on one side inside the connecting block, a telescopic rod is fixedly connected on one side inside the groove, and one end of the telescopic rod is fixedly connected to a limiting plate.

[0006] Preferably, through holes are provided inside the fixing plates, and the clamping plates are connected to the through holes by means of connecting columns.

[0007] Preferably, a limit rod is fixedly connected inside the slide groove, and the limit rod and the sliding block are slidably connected.

[0008] Preferably, the bottom of the top cover is fixedly connected with a fixed block, the sliding block is rotatably connected with a rotating rod inside, and the rotating rod and the fixed block are rotatably connected.

[0009] Preferably, a first spring is fixedly connected between the two sliding blocks.

[0010] Preferably, the snap-in connection is formed between the snap-in plate and the connecting block.

[0011] Preferably, a second spring is fixedly connected between one side of the inner portion of the groove and one side of the limiting plate.

[0012] Preferably, the limiting plate is connected to the clamping plate by means of a positioning column.

[0013] Compared with the prior art, the present invention provides a line protection device for electrical engineering, which has the following beneficial effects:

[0014] 1. The present invention provides a clamping plate and a pressure plate, wherein a plurality of clamping plates are provided, and the clamping plate is connected to the through hole inside the fixing plate through a connecting column. The clamping plate can be installed and disassembled according to the number of lines that actually need to be protected, so that the device can protect multiple lines and increase the practicality of the device. The sliding block can slide inside the slide groove through the force of the first spring, and at the same time, the height of the pressure plate can be adjusted, and the distance between the pressure plate and the clamping plate can be adjusted, so that the pressure plate and the clamping plate can clamp and fix cables of different diameters, thereby increasing the stability of the line, avoiding squeezing of the cable, achieving effective protection of the line, and increasing the service life of the line.

[0015] 2. The present invention sets a connecting block and pulls the limit plate to one side so that one end of the limit plate squeezes the telescopic rod and the second spring, and the positioning column is separated from the inside of the connecting block. Then the clamping plate and the connecting block are preliminarily clamped and connected. Then the pulling on the limit plate is released, and the telescopic rod and the second spring push the limit plate to reset. The positioning column moves with the limit plate, thereby realizing the clamping connection between the positioning column and the clamping plate. The operation is convenient, the structure is simple and practical, and it is convenient to quickly install and disassemble the top cover, and it is convenient to timely adjust and maintain the inside of the protective shell, and it can also improve the installation efficiency of the device.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The structure of the invention is scientific and reasonable, and it is safe and convenient to use, which provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the axonometric structure of one side of the line protection device for electrical engineering proposed by the present invention;

[0019] Figure 2 This is a front cross-sectional structural diagram of a line protection device for electrical engineering proposed by the present invention;

[0020] Figure 3 A schematic diagram of the protective housing structure of the line protection device for electrical engineering proposed by the present invention;

[0021] Figure 4 A schematic diagram of the structure of a clamping plate of a line protection device for electrical engineering proposed by the present invention;

[0022] Figure 5 A schematic diagram of the pressure plate structure of the line protection device for electrical engineering proposed by the present invention;

[0023] Figure 6 This is a schematic diagram of the positioning column structure of the line protection device for electrical engineering proposed by the present invention.

[0024] Reference numerals

[0025] Protective shell 1, fixed plate 2, through hole 3, clamping plate 4, connecting column 5, top cover 6, pressure plate 7, slide groove 8, limit rod 9, sliding block 10, fixed block 11, rotating rod 12, first spring 13, clamping plate 14, connecting block 15, groove 16, telescopic rod 17, limit plate 18, second spring 19, positioning column 20. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-6The present invention provides a technical solution: a line protection device for electrical engineering, comprising a protective shell 1, a fixing plate 2 is fixedly connected inside the protective shell 1, a clamping plate 4 is arranged on the top of the fixing plate 2, a top cover 6 is arranged on the top of the protective shell 1, a pressing plate 7 is arranged on the bottom of the top cover 6, a slide groove 8 is arranged on one side of the pressing plate 7, a sliding block 10 is symmetrically slidably connected inside the slide groove 8, a clamping plate 14 is symmetrically fixedly connected on one side of the bottom of the top cover 6, a connecting block 15 is symmetrically fixedly connected on one side of the protective shell 1, a groove 16 is arranged on one side of the connecting block 15, a telescopic rod 17 is fixedly connected on one side of the groove 16, and one end of the telescopic rod 17 is fixedly connected The limit plate 18 is connected, and by pulling the limit plate 18 to one side, one end of the limit plate 18 squeezes the telescopic rod 17 and the second spring 19, the positioning column 20 is separated from the inside of the connecting block 15, and then the clamping plate 14 is preliminarily engaged with the connecting block 15, and then the pulling on the limit plate 18 is released, the telescopic rod 17 and the second spring 19 push the limit plate 18 to reset, and the positioning column 20 moves with the limit plate 18, thereby realizing the clamping connection between the positioning column 20 and the clamping plate 14, which is convenient to operate, has a simple and practical structure, is convenient for quick installation and disassembly of the top cover 6, is convenient for timely adjustment and maintenance of the inside of the protective shell 1, and can improve the installation efficiency of the device.

[0028] In the present invention, preferably, a through hole 3 is provided inside the fixing plate 2, and the clamping plate 4 is snap-connected with the through hole 3 via a connecting column 5. The clamping plate 4 can be installed and disassembled according to the number of lines that actually need to be protected, so that the device can protect multiple lines and increase the practicality of the device.

[0029] In the present invention, preferably, a limit rod 9 is fixedly connected inside the slide groove 8, and the limit rod 9 and the sliding block 10 are slidably connected.

[0030] In the present invention, preferably, a fixed block 11 is fixedly connected to the bottom of the top cover 6, a rotating rod 12 is rotatably connected inside the sliding block 10, and the rotating rod 12 and the fixed block 11 are rotatably connected.

[0031] In the present invention, preferably, a first spring 13 is fixedly connected between the two sliding blocks 10. The sliding block 10 can slide inside the slide groove 8 through the force of the first spring 13. At the same time, the height of the pressing plate 7 is adjusted, and the distance between the pressing plate 7 and the clamping plate 4 is adjusted, so that the pressing plate 7 and the clamping plate 4 can clamp and fix cables of different diameters, increase the stability of the line, avoid squeezing the cables, achieve effective protection of the line, and increase the service life of the line.

[0032] In the present invention, preferably, the clamping plate 14 and the connecting block 15 are connected by clamping.

[0033] In the present invention, preferably, a second spring 19 is fixedly connected between one side of the inner portion of the groove 16 and one side of the limiting plate 18 .

[0034] In the present invention, preferably, the limiting plate 18 is connected to the clamping plate 14 by means of a positioning column 20 .

[0035] The working principle and use process of the present invention are as follows: when in use, first, the clamping plate 4 is connected to the through hole 3 inside the fixing plate 2 through the connecting column 5. The clamping plate 4 can be installed and disassembled according to the number of lines that actually need to be protected, which is convenient for the device to protect multiple lines and increase the practicality of the device. After the clamping plate 4 is installed, each line is placed inside the clamping plate 4, and then the top cover 6 is connected to the protective shell 1. At the same time, the limiting plate 18 can be pulled to one side in turn, so that one end of the limiting plate 18 squeezes the telescopic rod 17 and the second spring 19, and the positioning column 20 is separated from the inside of the connecting block 15. Then, the clamping plate 14 is preliminarily engaged with the connecting block 15, and then the pull on the limiting plate 18 is released, and the telescopic rod 17 and the second spring 1 9 pushes the limit plate 18 to reset, and the positioning column 20 moves with the limit plate 18, thereby realizing the snap connection between the positioning column 20 and the snap-in plate 14, which is convenient to operate, has a simple and practical structure, is convenient for quick installation and disassembly of the top cover 6, is convenient for timely adjustment and maintenance of the interior of the protective shell 1, and can improve the installation efficiency of the device. During use, the sliding block 10 can slide in the slide groove 8 through the force of the first spring 13, and at the same time, the height of the pressing plate 7 is adjusted, and the distance between the pressing plate 7 and the clamping plate 4 is adjusted, so that the pressing plate 7 and the clamping plate 4 can clamp and fix cables of different diameters, increase the stability of the line, avoid squeezing the cables, realize effective protection of the line, and increase the service life of the line.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A line protection device for electrical engineering, comprising a protective housing (1), characterized in that: The protective shell (1) is fixedly connected with a fixing plate (2) inside, and a clamping plate (4) is arranged on the top of the fixing plate (2). The protective shell (1) is provided with a top cover (6) on the top, and a pressure plate (7) is arranged at the bottom of the top cover (6). A sliding groove (8) is arranged on one side inside the pressure plate (7), and a sliding block (10) is symmetrically slidably connected inside the sliding groove (8). A clamping plate (14) is symmetrically fixedly connected to one side of the bottom of the top cover (6). A connecting block (15) is symmetrically fixedly connected to one side of the protective shell (1), and a groove (16) is arranged on one side inside the connecting block (15). A telescopic rod (17) is fixedly connected to one side inside the groove (16), and one end of the telescopic rod (17) is fixedly connected to a limiting plate (18).

2. The line protection device for electrical engineering according to claim 1, characterized in that: The fixing plates (2) are each provided with a through hole (3) inside, and the clamping plates (4) are snap-connected to the through hole (3) via a connecting column (5).

3. The line protection device for electrical engineering according to claim 1, characterized in that: A limit rod (9) is fixedly connected inside the slide groove (8), and the limit rod (9) and the sliding block (10) are slidably connected.

4. The line protection device for electrical engineering according to claim 1, characterized in that: The bottom of the top cover (6) is fixedly connected to a fixed block (11), the sliding block (10) is rotatably connected to a rotating rod (12) inside, and the rotating rod (12) and the fixed block (11) are rotatably connected.

5. The line protection device for electrical engineering according to claim 1, characterized in that: A first spring (13) is fixedly connected between the two sliding blocks (10).

6. The line protection device for electrical engineering according to claim 1, characterized in that: The clamping plate (14) and the connecting block (15) are in a clamping connection.

7. The line protection device for electrical engineering according to claim 1, characterized in that: A second spring (19) is fixedly connected between one side of the interior of the groove (16) and one side of the limiting plate (18).

8. The line protection device for electrical engineering according to claim 1, characterized in that: The limiting plate (18) is connected to the clamping plate (14) by means of a positioning column (20).

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