CN216562968U

CN216562968U - Short-circuit protection device for electrical system

Info

Publication number: CN216562968U
Application number: CN202122868834.2U
Authority: CN
Inventors: 刘向东; 谢小平; 刘卫东; 刘枢函
Original assignee: Hunan Delimei Mechanical Equipment Co ltd
Current assignee: Hunan Delimei Mechanical Equipment Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-17
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a short-circuit protection device for an electrical system, which comprises a protector body, wherein the upper end of the protector body is fixedly connected with an upper pressing clamping device, the lower end of the protector body is fixedly connected with a lower pressing clamping device, the upper pressing clamping device and the lower pressing clamping device are identical in structure, the rear part of the upper end and the rear part of the lower end of the protector body are respectively provided with two clamping grooves which are vertically penetrated, the upper part of the rear end of the protector body is clamped with an upper clamping block, the lower part of the rear end of the protector body is clamped with a lower clamping block, the upper clamping block and the lower clamping block are identical in structure, the upper clamping block and the lower clamping block are jointly clamped with an installation clamping plate, the rear end of the installation clamping plate is provided with a plurality of installation holes, and the lower part of the upper end and the right end of the left end of the protector body is fixedly connected with a buffer rubber pad. The short-circuit protection device for the electrical system is high in disassembly and assembly efficiency, good in protection effect and high in stability, and is suitable for the electrical system.

Description

Short-circuit protection device for electrical system

Technical Field

The utility model relates to the technical field of short-circuit protection, in particular to a short-circuit protection device for an electrical system.

Background

The electrical system is a system formed by low-voltage power supply combined components, also called a low-voltage distribution system or a low-voltage distribution line, the electrical system is often connected with an automation technology, the electrical system is often protected from short circuit through a short-circuit protection device when in operation, and the existing short-circuit protection device has at least the following disadvantages in the use process: 1. the existing short-circuit protection device is inconvenient to install and disassemble, and when a large number of short-circuit protection devices are installed, workers are required to disassemble one by one, so that time is wasted, and the efficiency is low; 2. most of the existing short-circuit protection devices are mounted together in a stuck mode, and due to the fact that gaps exist, the existing short-circuit protection devices often collide with each other in the carrying and moving process to cause damage, therefore, the short-circuit protection device for the electric system is provided.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide a short-circuit protection device for electrical systems, which can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a short-circuit protection device for electrical system, includes the protector body, pressing clamping device on the fixedly connected with of protector body upper end, pressing clamping device under protector body lower extreme fixedly connected with, on press clamping device and press down clamping device structure the same, the draw-in groove of break-over about two has all been opened to protector body upper end rear portion and lower extreme rear portion, protector body rear end upper portion joint has last fixture block, protector body rear end lower part joint has lower fixture block, it is the same with lower fixture block structure to go up the fixture block, it has the installation cardboard with the common joint of lower fixture block to go up the fixture block, installation cardboard rear end is opened has a plurality of mounting hole, the equal fixedly connected with buffering cushion in protector body left end upper portion right-hand member lower part.

Preferably, the upper pressing and clamping device comprises a pressing plate, the pressing plate is of an L-shaped structure, a connecting column is inserted and movably connected to the middle of the right end of the pressing plate, front fixing blocks are fixedly connected to the left portion of the outer surface of the connecting column and the right portion of the outer surface of the connecting column respectively, fixing columns are fixedly connected to the two front fixing blocks together, a torsion spring is sleeved on the outer surfaces of the fixing columns, an extending plate is inserted and movably connected to the rear end of the pressing plate, and rear fixing blocks are movably connected to the left end and the right end of the extending plate through rotating shafts.

Preferably, the front end of the extension plate is fixedly connected with a limit baffle, and the right end of the extension plate is provided with a fixing hole penetrating from left to right.

Preferably, the two front fixing blocks are fixedly connected with the protector body, and the two rear fixing blocks are fixedly connected with the upper clamping block.

Preferably, the lower end of the upper clamping block is of an inclined plane structure, and the left part of the front end of the upper clamping block and the right part of the front end of the upper clamping block are fixedly connected with T-shaped blocks.

Preferably, the upper clamping block is clamped with the clamping groove through two T-shaped blocks, and the mounting clamping plate is located between the upper clamping block and the lower clamping block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the protector, the upper pressing and clamping device is arranged at the upper end of the protector body, the lower pressing and clamping device is arranged at the lower end of the protector body, the extending plate can be moved by pressing the pressing plate at the same time, the upper clamping block and the lower clamping block are pulled away from each other, so that the protector body and the mounting clamping plate can be quickly clamped together, and the upper pressing and clamping device is provided with the torsion spring, so that the pressing plate is loosened, the pressing plate can be subjected to elastic action to adjust the angle, the upper clamping block and the lower clamping block are close to each other, the mounting clamping plate can be clamped, the connection stability is improved, and the protector is convenient to mount and dismount;

2. according to the protector, the two buffering rubber pads are respectively arranged on the upper portion of the left end and the lower portion of the right end of the protector body, and the ends, far away from each other, of the two buffering rubber pads are both of cambered surface structures, so that the collision and damage caused by mutual collision when a plurality of protector bodies are arranged together to move can be avoided, and the service life is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a short-circuit protection device for an electrical system according to the present invention;

fig. 2 is a schematic view of the overall structure of an upper pressing and clamping device of a short-circuit protection device for an electrical system according to the present invention;

FIG. 3 is a schematic diagram of an overall structure of an extension plate of the short-circuit protection device for an electrical system according to the present invention;

fig. 4 is a schematic view of an overall structure of an upper clamping block of the short-circuit protection device for an electrical system according to the present invention.

In the figure: 1. a protector body; 2. a card slot; 3. an upper clamping block; 4. a lower clamping block; 5. a lower pressing clamping device; 6. mounting holes; 7. mounting a clamping plate; 8. an upper pressing and clamping device; 9. a cushion rubber pad; 31. a T-shaped block; 81. a pressing plate; 82. an extension plate; 83. a rear fixed block; 84. connecting columns; 85. a torsion spring; 86. fixing a column; 87. a front fixed block; 821. a limit baffle; 822. and (7) fixing holes.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a short-circuit protection device for electrical system, including protector body 1, press clamping device 8 on the 1 upper end fixedly connected with of protector body, pressing clamping device 5 under the 1 lower extreme fixedly connected with of protector body, it is the same with pressing clamping device 5 structure down to press clamping device 8 on, the draw-in groove 2 that has two upper and lower break-over has all been opened at 1 upper end rear portion of protector body and lower extreme rear portion, 1 rear end upper portion joint of protector body has last fixture block 3, 1 rear end lower part joint of protector body has lower fixture block 4, it is the same with lower fixture block 4 structure to go up fixture block 3, it has installation cardboard 7 with the common joint of lower fixture block 4 to go up fixture block 3, it has a plurality of mounting hole 6 to open installation cardboard 7 rear end, the equal fixedly connected with buffering cushion 9 in 1 left end upper portion right-hand member lower part of protector body.

In this embodiment, the upper pressing and clamping device 8 includes a pressing plate 81, the pressing plate 81 is of an "L" shaped structure, the middle part of the right end of the pressing plate 81 is movably connected with a connecting column 84 in an inserting manner, the left part and the right part of the outer surface of the connecting column 84 are both fixedly connected with a front fixing block 87, the two front fixing blocks 87 are jointly and fixedly connected with a fixing column 86, the outer surface of the fixing column 86 is sleeved with a torsion spring 85, the rear end of the pressing plate 81 is movably connected with an extending plate 82 in an inserting manner, and the left end and the right end of the extending plate 82 are both movably connected with a rear fixing block 83 through a rotating shaft; the front end of the extension plate 82 is fixedly connected with a limit baffle 821, and the right end of the extension plate 82 is provided with a fixing hole 822 which penetrates through from left to right; two preceding fixed blocks 87 and protector body 1 fixed connection, two after-fixing blocks 83 and last fixture block 3 fixed connection, spliced pole 84 can improve the stability of pressing down board 81, carry on spacingly to pressing down board 81, avoid taking place to drop, extension board 82 can make and go up fixture block 3 adaptation and press down the regulation of pressing down board 81, is convenient for stimulate last fixture block 3, and limit baffle 821 can avoid extension board 82 and press down board 81 to drop, improves stability.

In this embodiment, the lower end of the upper clamping block 3 is an inclined plane structure, and the left part and the right part of the front end of the upper clamping block 3 are both fixedly connected with a T-shaped block 31; go up fixture block 3 through two

T type pieces

31 and 2 joints of draw-in groove, installation cardboard 7 is located fixture block 3 and down between the fixture block 4, and T type piece 31 can improve the stability of going up fixture block 3 and protector body 1 and being connected, avoids taking place to drop.

It should be noted that, in the use process, the pressing plates 81 on the upper pressing clamping device 8 and the lower pressing clamping device 5 are simultaneously pressed to adjust the angle of the pressing plates 81, because the two pressing plates 81 are both in an "L" shape, the rear ends of the pressing plates 81 can be tilted, the pressing plates 81 inserted and connected with the pressing plates 81 drive the upper fixture block 3 and the lower fixture block 4 to move away from each other, then the protector body 1 is pressed to clamp the protector body 1 with the mounting fixture plate 7, and the two pressing plates 81 are simultaneously released, because the two upper pressing clamping devices 8 are both provided with the torsion springs 85, the pressing plates 81 can be restored under the elastic action of the torsion springs 85, the upper fixture block 3 and the lower fixture block 4 can move close to each other, so as to improve the stability of clamping between the protector body 1 and the mounting fixture plate 7, when a plurality of protector bodies 1 are installed together, because buffer rubber mat 9 is all installed to 1 left end upper portion of protector body and right-hand member lower part, make buffer rubber mat 9 form the dislocation, separate a plurality of protector bodies 1, protector body 1 rocks when avoiding removing and causes the damage of colliding with, reduces life, and whole short circuit protection device dismouting is efficient, and the protecting effect is good, and stability is high, is fit for electrical system's use.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A short-circuit protection device for electrical systems, comprising a protector body (1), characterized in that: the upper end of the protector body (1) is fixedly connected with an upper pressing clamping device (8), the lower end of the protector body (1) is fixedly connected with a lower pressing clamping device (5), the upper pressing and clamping device (8) and the lower pressing and clamping device (5) have the same structure, the rear part of the upper end and the rear part of the lower end of the protector body (1) are both provided with two clamping grooves (2) which are penetrated up and down, an upper clamping block (3) is clamped at the upper part of the rear end of the protector body (1), a lower clamping block (4) is clamped at the lower part of the rear end of the protector body (1), the upper clamping block (3) and the lower clamping block (4) have the same structure, the upper clamping block (3) and the lower clamping block (4) are clamped with an installation clamping plate (7) together, the rear end of the mounting clamping plate (7) is provided with a plurality of mounting holes (6), and the lower part of the upper right end of the left end of the protector body (1) is fixedly connected with a buffer rubber pad (9).

2. A short circuit protection device for an electrical system according to claim 1, wherein: the upper pressing clamping device (8) comprises a pressing plate (81), the pressing plate (81) is of an L-shaped structure, a connecting column (84) is inserted and movably connected in the middle of the right end of the pressing plate (81), front fixing blocks (87) are fixedly connected to the left portion of the outer surface and the right portion of the outer surface of the connecting column (84), two front fixing blocks (87) are fixedly connected with a fixing column (86) together, a torsion spring (85) is sleeved on the outer surface of the fixing column (86), an extending plate (82) is inserted and movably connected to the rear end of the pressing plate (81), and a rear fixing block (83) is movably connected to the left end and the right end of the extending plate (82).

3. A short circuit protection device for an electrical system according to claim 2, wherein: the front end of the extension plate (82) is fixedly connected with a limit baffle (821), and a fixing hole (822) which is penetrated left and right is formed in the right end of the extension plate (82).

4. A short circuit protection device for an electrical system according to claim 2, wherein: the two front fixing blocks (87) are fixedly connected with the protector body (1), and the two rear fixing blocks (83) are fixedly connected with the upper clamping block (3).

5. A short circuit protection device for an electrical system according to claim 1, wherein: the lower end of the upper clamping block (3) is of an inclined plane structure, and the left part of the front end and the right part of the front end of the upper clamping block (3) are fixedly connected with T-shaped blocks (31).

6. A short-circuit protection device for an electrical system according to claim 5, characterized in that: go up fixture block (3) and through two T type pieces (31) and draw-in groove (2) joint, installation cardboard (7) are located fixture block (3) and down between fixture block (4).