Protective cover with anti-creeping function for circuit breaker

Abstract

The utility model relates to the technical field of circuit breakers, in particular to a protective cover for a circuit breaker with an anti-creeping function, which comprises a main board, a frame and a protective device, the frame is mounted on the surface of the main board, the protective device is arranged on the surface of the main board and comprises a closing plate, and the closing plate is placed on the surface of the main board. The sealing plate is located on one side of the frame, a rotating block is fixedly connected to the surface of the sealing plate and located above the frame, a main block is fixedly connected to the upper surface of the main plate, the rotating block is rotationally connected with the surface of the main block, a rotating disc is fixedly connected to the surface of the rotating block, and a rotating spring is fixedly connected to the surface of the side, close to the rotating block, of the rotating disc. And two limiting blocks are fixedly connected to the surface of the main plate. According to the utility model, through the arrangement of the protection device, a worker can effectively and conveniently protect the circuit breaker, water stains and dust are prevented from entering the circuit breaker, and the situation of electric leakage of the circuit breaker is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field especially relates to a protective cover with anti -electric leakage function for circuit breaker. BACKGROUND

[0002] Circuit breaker is a kind of switch device that can close, carry and open the current under normal loop condition, and carry and open the current under abnormal loop condition within the specified time, it is mainly used in power system, can distribute electric energy, start asynchronous motor, and automatically cut off circuit when overload, short circuit or under-voltage fault occurs, play the role of protection, circuit breaker is divided into high-voltage circuit breaker and low-voltage circuit breaker according to its use range, and the high-low voltage boundary is generally called high-voltage electric appliance above 3kV, low-voltage circuit breaker is widely used in distribution system, has the characteristics such as electric operation, energy storage operation and manual operation, circuit breaker protective cover is a kind of equipment for protecting circuit breaker, isolating switch and other safety devices, it is usually made of reliable insulating material, can effectively prevent external objects from entering the inside of safety device, protect the normal operation of equipment, avoid the occurrence of electric shock accident.

[0003] The existing device such as CN209607679U, a protective cover with anti -electric leakage function for circuit breaker, including the bottom plate, the upper surface of the bottom plate is provided with circuit breaker body, and the outer side of circuit breaker body is provided with protective cover body, the bottom of protective cover body is provided with the knob, and the end of knob is fixed with the first toothed plate, the bottom of first toothed plate is connected with gear, and gear is connected with protective cover body through connecting plate on the side, at the same time, the lower side of gear is provided with the second toothed plate, and the bottom of second toothed plate is connected with support rod, the surface of protective cover body is fixed with mounting plate, and the side of mounting plate is connected with sliding plate, the side of pull ring is connected with second spring through sliding block, and the outer side of second spring is provided with sliding groove. The protective cover with anti -electric leakage function for circuit breaker has good anti -electric leakage protection performance, is convenient to disassemble, and can be used to drive the switch without disassembly.

[0004] When the worker needs to protect the circuit breaker, the worker installs the protective cover on the circuit breaker so that the protective cover protects the circuit breaker, but the existing protective cover will appear poor sealing effect due to the sliding wire at the rotating part in the process of use, and dust or water stains will enter the inside of the circuit breaker, so that the inside of the circuit breaker will appear water-conducting or dust-reducing insulation performance, thereby causing the worker to appear electric leakage when touching the circuit breaker. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings that the worker will appear electric leakage when touching the circuit breaker in the prior art, and provides a protective cover with anti -electric leakage function for circuit breaker.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: A circuit breaker protection cover with anti-creeping function, including mainboard, frame and protection device, the frame is installed on the surface of mainboard, the protection device sets up on the surface of mainboard, the protection device includes the closing plate, the closing plate places on the surface of mainboard, the closing plate is located in the side of frame, the surface of closing plate is fixedly connected with the rotating block, the rotating block is located above the frame, the upper surface of mainboard is fixedly connected with the main block, the surface of rotating block and main block is rotatably connected, the surface of rotating block is fixedly connected with the rotating disc, the surface of rotating disc close to rotating block one side is fixedly connected with the rotating spring, the surface of mainboard is fixedly connected with two limit blocks, the surface of limit block is placed on one side of closing plate, the surface of main block is provided with built-in groove, the end of rotating spring away from rotating disc is fixedly connected with the surface of built-in groove, and the built-in groove can be matched with the main block to achieve the purpose of storing the rotating spring.

[0007] Preferably, the surface of the frame is provided with a limiting device, the limiting device comprises a bayonet, a plurality of bayonets are provided on the surface of the rotating disc, the surface of the bayonet is inserted and connected with the plug, and the bayonet can be matched with the rotating disc to achieve the purpose of storing the plug.

[0008] Preferably, the surface of the frame is fixedly connected with two guide plates, and the two guide plates are symmetrically arranged, and the guide plate can be matched with the frame to achieve the purpose of supporting the guide plate.

[0009] Preferably, the surface of the guide plate is provided with a guide groove, and the two guide grooves are symmetrically arranged, and the guide groove can be matched with the guide plate to achieve the purpose of guiding the support plate.

[0010] Preferably, the surface of the guide groove is slidably connected with a support plate, the surface of the support plate and the guide plate is slidably connected, the surface of both ends of the support plate is fixedly connected with a stabilizing block, the surface of the stabilizing block and the guide plate is slidably connected, and the support plate can be matched with the stabilizing block and the pushing spring to achieve the purpose of limiting the support plate.

[0011] Preferably, the support plate and the frame are fixedly connected with a pushing spring, and the pushing spring is located below the rotating disc, and the pushing spring can be matched with the support plate and the frame to achieve the purpose of supporting the support plate.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] 1. The utility model discloses a protective device is set up, and the closed plate is rotated, and the closed plate drives the rotating block, and the rotating block drives the rotating disc, and the main block supports the rotating block rotation, when the worker rotates the closed plate to the specified position, the rotating spring will drive the closed plate rotation, and the closed plate will be continuously abutted with the limiting block, and the closed plate closes the protective cover, through setting up the protective device, can effectively facilitate the worker to the circuit breaker protection, avoids the water mark and dust to enter the inside of circuit breaker, and then reduces the circuit breaker and appears the situation of electric leakage. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic diagram of the protective cover for the circuit breaker with the anti-creeping function is provided for the utility model;

[0015] Figure 2 The protective device structure schematic diagram of the protective cover for the circuit breaker with the anti-creeping function is provided for the utility model;

[0016] Figure 3 The limiting device structure schematic diagram of the protective cover for the circuit breaker with the anti-creeping function is provided for the utility model; Figure 2 The structure schematic diagram of the protective cover for the circuit breaker with the anti-creeping function is provided for the utility model in A place.

[0017] Figure 4 The limiting device structure schematic diagram of the protective cover for the circuit breaker with the anti-creeping function is provided for the utility model;

[0018] Figure 5 The structure schematic diagram of the protective cover for the circuit breaker with the anti-creeping function is provided for the utility model in B place. Figure 4

[0019] Legend:

[0020] 1, mainboard, 2, frame, 3, protective device, 31, rotating disc, 32, rotating spring, 33, built-in groove, 34, main block, 35, rotating block, 36, closed plate, 37, limiting block, 4, limiting device, 41, bayonet, 42, stabilizing block, 43, guide slot, 44, guide plate, 45, plug, 46, push spring, 47, support plate. DETAILED DESCRIPTION

[0021] Please refer to Figures 1-5 The utility model provides a technical scheme: a protective cover for circuit breaker with anti-creeping function, including mainboard 1, frame 2 and protective device 3, frame 2 is installed on the surface of mainboard 1, and protective device 3 is set up on the surface of mainboard 1.

[0022] The specific setting and function of protective device 3 and limiting device 4 are described below.

[0023] ​In the embodiment, the protection device 3 comprises a closing plate 36 placed on the surface of the main plate 1, the closing plate 36 is located at one side of the frame 2, the surface of the closing plate 36 is fixedly connected with a rotating block 35, the rotating block 35 is located above the frame 2, the upper surface of the main plate 1 is fixedly connected with a main block 34, the surface of the rotating block 35 is rotationally connected with the main block 34, the surface of the rotating block 35 is fixedly connected with a rotating disc 31, the surface of the side of the rotating disc 31 close to the rotating block 35 is fixedly connected with a rotating spring 32, the surface of the main plate 1 is fixedly connected with two limiting blocks 37, one side of the closing plate 36 is placed on the surface of the limiting block 37.

[0024] Specifically, the surface of the main block 34 is provided with an embedded groove 33, one end of the rotating spring 32 away from the rotating disc 31 is fixedly connected with the surface of the embedded groove 33, and the embedded groove 33 can be matched with the main block 34 to achieve the purpose of storing the rotating spring 32.

[0025] Specifically, the surface of the frame 2 is provided with a limiting device 4, the limiting device 4 comprises a plurality of clamping holes 41, and the plurality of clamping holes 41 are arranged on the surface of the rotating disc 31. The surface of the clamping hole 41 is insertedly connected with an insertion block 45.

[0026] In the embodiment, the clamping hole 41 can be matched with the rotating disc 31 to achieve the purpose of storing the insertion block 45.

[0027] In the embodiment, the surface of the frame 2 is fixedly connected with two guide plates 44, the two guide plates 44 are symmetrically arranged, and the guide plate 44 can be matched with the frame 2 to achieve the purpose of supporting the guide plate 44.

[0028] In the embodiment, the surface of the guide plate 44 is provided with a guide groove 43, and the two guide grooves 43 are symmetrically arranged. The guide groove 43 can be matched with the guide plate 44 to achieve the purpose of guiding the supporting plate 47.

[0029] Specifically, the surface of the guide groove 43 is slidably connected with a supporting plate 47, the supporting plate 47 is slidably connected with the surface of the guide plate 44, the surfaces of both ends of the supporting plate 47 are fixedly connected with a stabilizing block 42, and the stabilizing block 42 is slidably connected with the surface of the guide plate 44.

[0030] In the embodiment, the supporting plate 47 can be matched with the stabilizing block 42 and the pushing spring 46 to achieve the purpose of limiting the supporting plate 47.

[0031] Specifically, the supporting plate 47 and the frame 2 are fixedly connected with a pushing spring 46, and the pushing spring 46 is located below the rotating disc 31.

[0032] In the embodiment, the pushing spring 46 can be matched with the supporting plate 47 and the frame 2 to achieve the purpose of supporting the supporting plate 47.

[0033] Working principle: by setting the protective device 3, rotating the closing plate 36, closing plate 36 drive rotating block 35, rotating block 35 drive rotating disc 31, main block 34 support rotating block 35 rotation, when the worker will close the plate 36 is rotated to the designated position, rotating spring 32 will drive the closing plate 36 rotation, closing plate 36 will be with limit block 37 continuously resist, closing plate 36 closed protective cover, by setting the protective device 3, can effectively facilitate the worker to protect the circuit breaker, avoid water and dust into the internal circuit breaker, thereby reducing the circuit breaker appears leakage situation, in addition, by setting the limiting device 4, when the rotating disc 31 rotates to the designated position, push spring 46 will push the support plate 47, support plate 47 drive stable block 42, guide plate 44 and guide slot 43 will guide the support plate 47, support plate 47 sliding and push the plug 45, plug 45 insert the bayonet 41, push spring 46 push force is greater than the torsion of rotating spring 32, rotating disc 31 is limited, by setting the limiting device 4, can effectively facilitate the worker to close the plate 36 limiting, avoid the closing plate 36 in the process of use appears loose situation, thereby improving the sealing of the protective cover, at the same time, limiting device 4 can also make the closing plate 36 long time keep open state.

Claims

1. A protective cover for a circuit breaker with leakage protection function, comprising a main board (1), a frame (2), and a protective device (3), characterized in that: The frame (2) is mounted on the surface of the motherboard (1), and the protective device (3) is set on the surface of the motherboard (1). The protective device (3) includes a sealing plate (36), which is placed on the surface of the motherboard (1). The sealing plate (36) is located on one side of the frame (2). A rotating block (35) is fixedly connected to the surface of the sealing plate (36). The rotating block (35) is located above the frame (2). A main block (34) is fixedly connected to the upper surface of the motherboard (1). The rotating block (35) is rotatably connected to the surface of the main block (34). A rotating disk (31) is fixedly connected to the surface of the rotating block (35). A rotating spring (32) is fixedly connected to the surface of the rotating disk (31) near the rotating block (35). Two limiting blocks (37) are fixedly connected to the surface of the motherboard (1). One side of the sealing plate (36) is placed on the surface of the limiting block (37).

2. A protective cover for a circuit breaker with leakage protection function according to claim 1, characterized in that: The main block (34) has an internal groove (33) on its surface, and the end of the rotating spring (32) away from the rotating disk (31) is fixedly connected to the surface of the internal groove (33).

3. A protective cover for a circuit breaker with leakage protection function according to claim 1, characterized in that: The surface of the frame (2) is provided with a limiting device (4), the limiting device (4) includes a bayonet (41), a plurality of bayonet (41) are opened on the surface of the rotating disk (31), and a plug (45) is inserted and connected to the surface of the bayonet (41).

4. A protective cover for a circuit breaker with leakage protection function according to claim 3, characterized in that: Two guide plates (44) are fixedly connected to the surface of the frame (2), and the two guide plates (44) are arranged symmetrically.

5. A protective cover for a circuit breaker with leakage protection function according to claim 4, characterized in that: The surface of the guide plate (44) is provided with guide grooves (43), and the two guide grooves (43) are arranged symmetrically.

6. A protective cover for a circuit breaker with leakage protection function according to claim 5, characterized in that: A support plate (47) is slidably connected to the surface of the guide groove (43). The support plate (47) is slidably connected to the surface of the guide plate (44). Stabilizing blocks (42) are fixedly connected to the surfaces at both ends of the support plate (47). The stabilizing blocks (42) are slidably connected to the surface of the guide plate (44).

7. A protective cover for a circuit breaker with leakage protection function according to claim 6, characterized in that: A push spring (46) is fixedly connected between the support plate (47) and the frame (2), and the push spring (46) is located below the rotating disk (31).

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