CN216353967U

CN216353967U - Automatic change relay protection device

Info

Publication number: CN216353967U
Application number: CN202122590547.XU
Authority: CN
Inventors: 孙运侠; 徐文武
Original assignee: Tunan Ruizhi Power Technology Nanjing Co ltd
Current assignee: Tunan Ruizhi Power Technology Nanjing Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-19
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses an automatic relay protection device which comprises a protective shell, a fan and a limiting block, wherein supporting legs are arranged at four corners of the lower end of the protective shell, and heat dissipation holes are formed in the front end and the rear end of the protective shell. When the protective shell is used, the positioning block and the positioning groove structure are matched for use, the relay protection device body can be conveniently inserted into the protective shell, the sealing plate is pulled to move downwards, the sealing plate drives the clamping block to be inserted into the first groove downwards, the clamping block continues to move downwards to drive the two limiting blocks to move close to each other, the limiting blocks compress the second springs, the limiting blocks drive the two movable rods to move close to each other, the movable rods drive the pull rods to move downwards, when the limiting blocks move to the limiting groove positions, the limiting blocks are inserted into the limiting grooves under the action of the elastic force of the second springs, the clamping blocks are limited and fixed, the sealing plate limits the relay protection device body, the sealing plate is opened only by pulling the pull rods downwards, and the operation is simple and the relay protection device body can be conveniently overhauled and replaced.

Description

Automatic change relay protection device

Technical Field

The utility model relates to the technical field of relay protection devices, in particular to an automatic relay protection device.

Background

A relay, also known as a relay, is an electronic control device having a control system (also known as an input loop) and a controlled system (also known as an output loop), which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

The existing relay protection device is often fixedly installed on a wall surface or the inside of a machine through bolts in the using process, and the relay protection device is inconvenient to detach when being maintained or replaced, so that the use is inconvenient. Therefore, the present invention provides an automatic relay protection device to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an automatic relay protection device to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

an automatic relay protection device comprises a protective shell, a fan and a limiting block, wherein supporting legs are arranged at four corners of the lower end of the protective shell, heat dissipation holes are formed in the front end and the rear end of the protective shell, the fan is arranged in the heat dissipation holes, a relay protection device body is arranged in the protective shell, a plurality of heat dissipation channels are arranged at the lower end of the protective shell, a sealing plate is connected to the protective shell in a sliding mode, clamping blocks are symmetrically arranged at the front and the rear of the lower end of the sealing plate, and a first groove is formed in the bottom end of the protective shell corresponding to the clamping blocks;

be equipped with the fixed block in the recess one, both ends are equipped with logical groove around the fixed block, lead to inslot sliding connection stopper, and two the one end that the fixture block is close to each other corresponds the stopper and is equipped with the spacing groove, stopper lower extreme swing joint movable rod, the movable rod other end swing joint pull rod, the protective housing lower extreme is equipped with the connecting block, and the connecting block corresponds pull rod and movable rod and is equipped with the through-hole, and the pull rod is located the through-hole, and the pull rod lower extreme runs through the through-hole, and the pull rod lower extreme is equipped with the handle.

As a further scheme of the utility model, a fixing frame is arranged at one end, away from each other, of each of the two fans, and the fixing frame is fixedly connected with the protective shell, so that the fans can be fixed conveniently and a supporting effect can be provided.

As a further scheme of the utility model, positioning blocks are symmetrically arranged at the front and back of the bottom end of the protective shell, positioning grooves are formed in the lower end of the relay protection device body corresponding to the positioning blocks, and the relay protection device body is connected with the positioning blocks in a sliding manner, so that the relay protection device body can be conveniently inserted into the protective shell.

As a further scheme of the utility model, one end of each of the two limiting blocks, which is close to each other, is provided with a second spring, the other end of each second spring is fixedly connected with the inner wall of the through groove, and the limiting blocks can conveniently return to the original positions through the elastic potential energy of the second springs.

As a further scheme of the utility model, the lower end of the movable rod penetrates through the fixed block and the protective shell, the lower end of the fixed block is provided with a first sliding groove corresponding to the movable rod, the lower end of the protective shell is provided with a second sliding groove corresponding to the movable rod, the movable rod is connected with the fixed block and the protective shell in a sliding manner, and the movable rod is convenient for driving the two limiting blocks to move close to or away from each other.

As a further scheme of the utility model, the lower end of the supporting leg is inserted with a connecting piece, the connecting piece is provided with a plurality of locking bolts, the lower end of the supporting leg is provided with a second groove corresponding to the connecting piece, and the connecting piece is in sliding connection with the second groove, so that the protective shell can conveniently move up and down.

As a further scheme of the utility model, a first spring is arranged in the second groove, the upper end of the first spring is fixedly connected with the top end of the second groove, the lower end of the first spring is fixedly connected with the connecting piece, and the elastic potential energy of the first spring provides a buffering and damping effect for the protective shell.

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

1. when the protective shell is used, the positioning block and the positioning groove structure are matched for use, the relay protection device body can be conveniently inserted into the protective shell, the sealing plate is pulled to move downwards, the sealing plate drives the clamping block to be inserted into the first groove downwards, the clamping block continues to move downwards to drive the two limiting blocks to move close to each other, the limiting blocks compress the second springs, the limiting blocks drive the two movable rods to move close to each other, the movable rods drive the pull rods to move downwards, when the limiting blocks move to the limiting groove positions, the limiting blocks are inserted into the limiting grooves under the action of the elastic force of the second springs, the clamping blocks are limited and fixed, the sealing plate limits the relay protection device body, the sealing plate is opened only by pulling the pull rods downwards, and the operation is simple and the relay protection device body can be conveniently overhauled and replaced.

2. When the protective shell is used, the fan is started to radiate the relay protection device body, the radiating efficiency is further improved through the arranged radiating channel, the connecting piece is fixed through the locking bolt, and the buffer and shock absorption effects can be provided for the protective shell through the matched use of the supporting leg, the connecting piece, the first spring and the second groove structure.

Drawings

Fig. 1 is a schematic structural diagram of an automatic relay protection device.

Fig. 2 is a schematic front view of an automatic relay protection device.

Fig. 3 is a schematic bottom view of an automatic relay protection device.

Fig. 4 is an enlarged schematic structural diagram of an automatic relay protection device at a position a in fig. 2.

In the figure: 1. a protective shell; 101. heat dissipation holes; 2. supporting legs; 3. a connecting member; 4. a fixed mount; 5. a fan; 6. closing the plate; 7. a relay protection device body; 8. positioning blocks; 9. positioning a groove; 10. a first groove; 11. a fixed block; 12. a clamping block; 13. a limiting groove; 14. a heat dissipation channel; 15. a first spring; 16. a second groove; 17. a through groove; 18. a limiting block; 19. a second spring; 20. a first sliding chute; 21. a second chute; 22. connecting blocks; 23. a through hole; 24. a movable rod; 25. a pull rod; 26. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, in the embodiment of the utility model, an automatic relay protection device includes a protective shell 1, fans 5 and a limiting block 18, wherein supporting legs 2 are arranged at four corners of the lower end of the protective shell 1, heat dissipation holes 101 are formed in the front end and the rear end of the protective shell 1, the fans 5 are arranged in the heat dissipation holes 101, a fixing frame 4 is arranged at one end, away from each other, of each of the two fans 5, the fixing frame 4 is fixedly connected with the protective shell 1, a relay protection device body 7 is arranged in the protective shell 1, a plurality of heat dissipation channels 14 are arranged at the lower end of the protective shell 1, positioning blocks 8 are symmetrically arranged in the front and rear direction of the bottom end of the protective shell 1, positioning grooves 9 are arranged at the lower end of the relay protection device body 7 corresponding to the positioning blocks 8, and the relay protection device body 7 is slidably connected with the positioning blocks 8;

a sealing plate 6 is slidably connected onto the protective shell 1, clamping blocks 12 are symmetrically arranged at the front and back of the lower end of the sealing plate 6, a first groove 10 is formed in the bottom end of the protective shell 1 corresponding to the clamping blocks 12, a fixing block 11 is arranged in the first groove 10, through grooves 17 are formed in the front end and the back end of the fixing block 11, limiting blocks 18 are slidably connected in the through grooves 17, limiting grooves 13 are formed in the ends, close to each other, of the two clamping blocks 12 corresponding to the limiting blocks 18, a second spring 19 is arranged at the end, close to each other, of the two limiting blocks 18, and the other end of the second spring 19 is fixedly connected with the inner wall of the through groove 17;

stopper 18 lower extreme swing joint

movable rod

24, 24 other ends swing joint pull rod 25 of movable rod, 24 lower extremes of movable rod run through fixed block 11 and protective housing 1, and the corresponding movable rod 24 of fixed block 11 lower extreme is equipped with spout one 20, and the corresponding movable rod 24 of 1 lower extreme of protective housing is equipped with spout two 21, and movable rod 24 and

fixed block

11 and 1 sliding connection of protective housing, 1 lower extreme of protective housing is equipped with connecting block 22, and connecting block 22 corresponds pull rod 25 and movable rod 24 and is equipped with through-hole 23, and pull rod 25 is located through-hole 23, and the pull rod 25 lower extreme runs through-hole 23, and pull rod 25 lower extreme is equipped with handle 26.

Example 2

In the embodiment of the utility model, the connecting piece 3 is inserted at the lower end of the supporting leg 2, the connecting piece 3 is provided with a plurality of locking bolts, the lower end of the supporting leg 2 is provided with a second groove 16 corresponding to the connecting piece 3, the connecting piece 3 is in sliding connection with the second groove 16, a first spring 15 is arranged in the second groove 16, the upper end of the first spring 15 is fixedly connected with the top end of the second groove 16, and the lower end of the first spring 15 is fixedly connected with the connecting piece 3.

The working principle of the utility model is as follows:

when the protective shell is used, through the matching use of the structures of the positioning block 8 and the positioning groove 9, the relay protection device body 7 can be conveniently inserted into the protective shell 1, the sealing plate 6 is pulled to move downwards, the sealing plate 6 drives the clamping block 12 to be inserted into the first groove 10 downwards, the clamping block 12 continues to move downwards to drive the two limiting blocks 18 to move close to each other, the limiting blocks 18 compress the second spring 19, the limiting blocks 18 drive the two movable rods 24 to move close to each other, the movable rods 24 drive the pull rod 25 to move downwards, when the limiting blocks 18 move to the positions of the limiting grooves 13, the limiting blocks 18 are inserted into the limiting grooves 13 under the action of the elastic force of the second spring 19, so that the clamping blocks 12 are limited and fixed, the pull rod 25 is pulled downwards when the protective shell is opened, the operation is simple, the relay protection device body 7 can be conveniently overhauled and replaced, and the fan 5 can be started to dissipate heat of the relay protection device body 7, further improved the radiating efficiency through the radiating passage 14 that sets up, fixed connecting piece 3 through the locking bolt simultaneously, the supporting leg 2, connecting piece 3, the cooperation of spring 15 and the two 16 structures of recess that the rethread set up are used, can provide the absorbing effect of buffering to protective housing 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An automatic relay protection device comprises a protective shell (1), a fan (5) and a limiting block (18), and is characterized in that supporting legs (2) are arranged at four corners of the lower end of the protective shell (1), heat dissipation holes (101) are formed in the front end and the rear end of the protective shell (1), the fan (5) is arranged in the heat dissipation holes (101), a relay protection device body (7) is arranged in the protective shell (1), a plurality of heat dissipation channels (14) are arranged at the lower end of the protective shell (1), a sealing plate (6) is slidably connected on the protective shell (1), clamping blocks (12) are symmetrically arranged at the front end and the rear end of the sealing plate (6), and a first groove (10) is formed in the bottom end of the protective shell (1) corresponding to the clamping blocks (12);

be equipped with fixed block (11) in recess (10), both ends are equipped with logical groove (17) around fixed block (11), lead to sliding connection stopper (18) in groove (17), and two the one end that fixture block (12) are close to each other corresponds stopper (18) and is equipped with spacing groove (13), stopper (18) lower extreme swing joint movable rod (24), movable rod (24) other end swing joint pull rod (25), protective housing (1) lower extreme is equipped with connecting block (22), and connecting block (22) correspond pull rod (25) and movable rod (24) and are equipped with through-hole (23), and pull rod (25) are located through-hole (23), and pull rod (25) lower extreme runs through-hole (23), and pull rod (25) lower extreme is equipped with handle (26).

2. The automatic relay protection device according to claim 1, wherein a fixing frame (4) is arranged at one end of each of the two fans (5) far away from each other, and the fixing frame (4) is fixedly connected with the protection casing (1).

3. The automatic relay protection device according to claim 1, wherein positioning blocks (8) are symmetrically arranged at the front and back of the bottom end of the protective shell (1), a positioning groove (9) is arranged at the lower end of the relay protection device body (7) corresponding to the positioning blocks (8), and the relay protection device body (7) is slidably connected with the positioning blocks (8).

4. The automatic relay protection device according to claim 1, wherein a second spring (19) is disposed at one end of each of the two limiting blocks (18) close to each other, and the other end of the second spring (19) is fixedly connected to the inner wall of the through groove (17).

5. The automatic relay protection device according to claim 1, wherein the lower end of the movable rod (24) penetrates through the fixed block (11) and the protective shell (1), a first sliding groove (20) is formed in the lower end of the fixed block (11) corresponding to the movable rod (24), a second sliding groove (21) is formed in the lower end of the protective shell (1) corresponding to the movable rod (24), and the movable rod (24) is slidably connected with the fixed block (11) and the protective shell (1).

6. The automatic relay protection device according to claim 1, wherein the lower end of the support leg (2) is inserted into the connecting member (3), the connecting member (3) is provided with a plurality of locking bolts, the lower end of the support leg (2) is provided with a second groove (16) corresponding to the connecting member (3), and the connecting member (3) is slidably connected with the second groove (16).

7. The automatic relay protection device according to claim 6, wherein a first spring (15) is arranged in the second groove (16), the upper end of the first spring (15) is fixedly connected with the top end of the second groove (16), and the lower end of the first spring (15) is fixedly connected with the connecting piece (3).