CN215678661U - Moulded case circuit breaker electric leakage detection device - Google Patents

Abstract

The utility model relates to the technical field of circuit breakers, in particular to a plastic case circuit breaker electric leakage detection device which comprises a box body, a protection frame, a first clamping plate and a second clamping plate, wherein the first clamping plate is arranged on the box body; the protective frame is arranged on the box body; the number of the first clamping plate and the number of the second clamping plate are two; the two first clamping plates and the two second clamping plates are arranged in the box body in a sliding mode; the two first clamping plates are vertically and symmetrically arranged; the two second clamping plates are horizontally and symmetrically arranged, the two first clamping plates and the two second clamping plates are arranged in a cross shape, and the second clamping plates are positioned on one side close to the protection frame; the protective frame is provided with a driving mechanism for driving the two first clamping plates and the two second clamping plates to move; a sliding groove is arranged on the box body; four sliding grooves are arranged; the output end of the driving mechanism penetrates through the sliding groove to be connected with the first clamping plate and the second clamping plate respectively. The driving mechanism drives the first clamping plate and the second clamping plate to synchronously move to disassemble and assemble the molded case circuit breaker, so that the plastic case circuit breaker is convenient to overhaul and maintain.

Description

Moulded case circuit breaker electric leakage detection device

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a plastic case circuit breaker electric leakage detection device.

Background

A molded case circuit breaker can automatically cut off a current after the current exceeds a trip setting, a molded case refers to a case using a plastic insulator as a device for isolating between conductors and a ground metal part, the molded case circuit breaker generally includes a thermo-magnetic trip unit, and a large-sized molded case circuit breaker is equipped with a solid trip sensor.

Most cooperation electric leakage detection device of moulded case circuit breaker use together, avoid moulded case circuit breaker to take place the condition of electric leakage and appear, and most of current moulded case circuit breaker electric leakage detection device is relatively poor to the fixed effect of circuit breaker, and can't practice quick assembly disassembly and change, is not convenient for overhaul and maintain.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems in the background art, the utility model provides the leakage detection device for the molded case circuit breaker.

(II) technical scheme

The utility model provides a plastic case circuit breaker electric leakage detection device which comprises a box body, a protection frame, a first clamping plate and a second clamping plate, wherein the first clamping plate is arranged on the box body;

the protective frame is arranged on the box body; the protective frame is positioned at the back of the box body; the number of the first clamping plate and the number of the second clamping plate are two; the two first clamping plates and the two second clamping plates are arranged in the box body in a sliding mode; the two first clamping plates are vertically and symmetrically arranged; the two second clamping plates are horizontally and symmetrically arranged, the first clamping plates and the second clamping plates are arranged in a staggered manner, the two first clamping plates and the two second clamping plates are arranged in a # -shaped manner, and the second clamping plates are positioned on one side close to the protection frame; the protective frame is provided with a driving mechanism for driving the two first clamping plates and the two second clamping plates to move; a sliding groove is arranged on the box body; four sliding grooves are arranged; the output end of the driving mechanism penetrates through the sliding groove to be connected with the first clamping plate and the second clamping plate respectively.

Preferably, the driving mechanism comprises a gear, a first rack, a second rack and a connecting rod; the number of the first racks and the number of the second racks are two; four connecting rods are arranged; the gear is rotationally arranged on the box body, and the first rack and the second rack are arranged on the box body in a sliding manner; the two first racks are vertically arranged and are symmetrically arranged around the gear; the two second racks are horizontally arranged and are symmetrically arranged around the gear; the first rack and the second rack are arranged in a staggered manner; the four connecting rods are respectively arranged in the four sliding grooves in a sliding manner, and one ends of the four connecting rods are respectively arranged on the two first clamping plates and the two second clamping plates; the other ends of the four connecting rods are respectively arranged on the two first racks and the two second racks; the two first racks and the two second racks are meshed and connected with the gear; the protection frame is provided with a limiting mechanism for limiting the gear.

Preferably, four guide mechanisms are arranged on the box body; the four guide mechanisms are respectively connected with the two first racks and the second rack in a sliding manner; the guide mechanism comprises a fixed block, a second guide rail and a sliding block; the fixed block is arranged on the box body, and the second guide rail is arranged on the fixed block; the four sliding blocks are respectively arranged on the two first racks and the two second racks; the four sliding blocks are respectively arranged on the four second guide rails in a sliding manner.

Preferably, the limiting mechanism comprises a supporting block, a sliding rod, an elastic piece and a limiting block; the supporting block is arranged on the protective frame; the sliding rod is arranged on the supporting block in a sliding manner; the limiting block is arranged at the lower end of the sliding rod and is clamped with the gear; the elastic piece is arranged on the periphery of the sliding rod, and two ends of the elastic piece are respectively connected with the supporting block and the limiting block.

Preferably, the gear is provided with a handle.

Preferably, two sliding rods and two elastic pieces are arranged; the upper end of the sliding rod is provided with a connecting block; the connecting block is detachably connected with the two sliding rods; the two elastic pieces are respectively arranged on the peripheral sides of the two sliding rods, and two ends of the two elastic pieces are respectively connected with the supporting block and the limiting block.

Preferably, the first guide rails are four, the four first guide rails are arranged in the box body, and the two first clamping plates and the two second clamping plates are respectively connected with the four first guide rails in a sliding mode.

Preferably, all be provided with the rubber pad on first splint and the second splint.

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

when the device is used, the two first clamping plates and the two second clamping plates are driven by the driving mechanism to be synchronously separated or synchronously close, so that the molded case circuit breaker is clamped between the first clamping plates and the second clamping plates, the molded case circuit breaker can be conveniently clamped, the molded case circuit breakers with different sizes and shapes can be clamped, and the subsequent detection and treatment are convenient; the plastic case circuit breaker is conveniently overhauled and maintained by driving the first clamping plate and the second clamping plate to synchronously move through the driving mechanism to disassemble and assemble the plastic case circuit breaker.

Drawings

Fig. 1 is a schematic structural diagram of a molded case circuit breaker leakage detection device according to the present invention.

Fig. 2 is a cross-sectional view of a structure of a molded case circuit breaker leakage detecting device according to the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals: 1. a box body; 101. a sliding groove; 2. a protection frame; 31. a first splint; 32. a second splint; 4. a first guide rail; 5. a drive mechanism; 501. a gear; 502. a first rack; 503. a second rack; 504. a connecting rod; 6. a guide mechanism; 601. a fixed block; 602. a second guide rail; 603. a slider; 7. a handle; 8. a limiting mechanism; 801. a support block; 802. a slide bar; 803. an elastic member; 804. a limiting block; 9. and (4) connecting the blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the leakage detecting device for the molded case circuit breaker according to the present invention includes a case 1, a protection frame 2, a first clamping plate 31 and a second clamping plate 32;

the protective frame 2 is arranged on the box body 1; the protective frame 2 is positioned at the back of the box body 1; the first clamping plate 31 and the second clamping plate 32 are provided with two; the two first clamping plates 31 and the two second clamping plates 32 are arranged in the box body 1 in a sliding mode; the two first clamping plates 31 are vertically and symmetrically arranged; the two second clamping plates 32 are horizontally and symmetrically arranged, the first clamping plates 31 and the second clamping plates 32 are arranged in a staggered manner, the two first clamping plates 31 and the two second clamping plates 32 are arranged in a cross shape, and the second clamping plates 32 are positioned at one side close to the protection frame 2; the protective frame 2 is provided with a driving mechanism 5 for driving the two first clamping plates 31 and the two second clamping plates 32 to move; a sliding groove 101 is arranged on the box body 1; four sliding grooves 101 are arranged; the output end of the driving mechanism 5 is connected to the first clamping plate 31 and the second clamping plate 32 through the sliding groove 101.

In an alternative embodiment, the drive mechanism 5 comprises a gear 501, a first rack 502, a second rack 503 and a connecting rod 504; two first racks 502 and two second racks 503 are provided; four connecting rods 504 are provided; the gear 501 is rotatably arranged on the box body 1, and the first rack 502 and the second rack 503 are both arranged on the box body 1 in a sliding manner; the two first racks 502 are vertically arranged, and the two first racks 502 are symmetrically arranged around the gear 501; the two second racks 503 are horizontally arranged, and the two second racks 503 are symmetrically arranged about the gear 501; the first rack 502 and the second rack 503 are arranged in a staggered manner; the four connecting rods 504 are respectively arranged in the four sliding grooves 101 in a sliding manner, and one ends of the four connecting rods 504 are respectively arranged on the two first clamping plates 31 and the two second clamping plates 32; the other ends of the four connecting rods 504 are respectively arranged on the two first racks 502 and the two second racks 503; the two first racks 502 and the two second racks 503 are meshed with the gear 501; the protection frame 2 is provided with a limit mechanism 8 for limiting the gear 501.

It should be noted that, the gear 501 rotates two first racks 502 of drive and moves towards opposite direction in vertical direction, thereby drive two connecting rods 504 and move, the connecting rod 504 drives first splint 31 and moves, and the gear 501 drives two second racks 503 and moves towards opposite direction in the horizontal direction, thereby drive two connecting rods 504 and move, the connecting rod 504 drives second splint 32 and moves, thereby realize two first splint 31 and two second splint 32 synchronization separation or be close to in step, thereby treat that the moulded case circuit breaker who detects carries out the clamping, make things convenient for the dismouting.

In an alternative embodiment, four guide mechanisms 6 are arranged on the box body 1; the four guide mechanisms 6 are respectively connected with the two first racks 502 and the two second racks 503 in a sliding manner; the guide mechanism 6 comprises a fixed block 601, a second guide rail 602 and a slide block 603; the fixed block 601 is arranged on the box body 1, and the second guide rail 602 is arranged on the fixed block 601; four sliders 603 are respectively arranged on the two first racks 502 and the two second racks 503; the four sliders 603 are slidably disposed on the four second guide rails 602, respectively.

It should be noted that the fixed block 601 guides the second guide rail 602, the second guide rail 602 guides the slider 603, and the slider 603 guides the first rack 502 and the second rack 503, so that the first rack 502 and the second rack 503 can move more smoothly.

In an alternative embodiment, the limiting mechanism 8 comprises a supporting block 801, a sliding rod 802, an elastic member 803 and a limiting block 804; the supporting block 801 is arranged on the protective frame 2; the sliding rod 802 is arranged on the supporting block 801 in a sliding mode; the limiting block 804 is arranged at the lower end of the sliding rod 802, and the limiting block 804 is clamped with the gear 501; the elastic member 803 is disposed on the outer periphery of the sliding rod 802, and two ends of the elastic member 803 are respectively connected to the supporting block 801 and the limiting block 804.

It should be noted that the elastic member 803 pushes the limiting block 804 to move, the limiting block 804 contacts with the gear 501 to limit the gear 501, so as to prevent the gear 501 from rotating, when the gear 501 needs to be rotated, the sliding rod 802 is pulled up, the sliding rod 802 drives the limiting block 804 to move, and the limiting block 804 is separated from the gear 501, so that the gear 501 can rotate.

In an alternative embodiment, the gear 501 is provided with a handle 7.

It should be noted that the handle 7 can facilitate the rotation of the gear 501.

In an alternative embodiment, two slide rods 802 and two elastic members 803 are provided; the upper end of the sliding rod 802 is provided with a connecting block 9; the connecting block 9 is detachably connected with the two sliding rods 802; the two elastic members 803 are respectively disposed at the outer peripheral sides of the two sliding rods 802, and two ends of the two elastic members 803 are respectively connected with the supporting block 801 and the limiting block 804.

It should be noted that, the two sliding rods 802 can make the motion of the limiting block 804 more stable, and the connecting block 9 can drive the sliding rods 802 to move at the same time.

In an alternative embodiment, four first rails 4 are provided in the box body 1, and two first clamping plates 31 and two second clamping plates 32 are slidably connected with the four first rails 4 respectively.

It should be noted that the four first guide rails 4 are used for guiding the first clamping plate 31 and the second clamping plate 32, so that the movement of the first clamping plate and the second clamping plate is more stable, and the molded case circuit breaker can be better clamped.

In an alternative embodiment, rubber pads are provided on both first clamping plate 31 and second clamping plate 32.

It should be noted that the rubber pad can increase friction force and better clamp and fix the molded case circuit breaker.

When the device is used, the two first clamping plates 31 and the two second clamping plates 32 are driven to be synchronously separated or synchronously close by the driving mechanism 5, so that the molded case circuit breaker is clamped between the first clamping plates 31 and the second clamping plates 32, the molded case circuit breaker can be conveniently clamped, the molded case circuit breakers with different sizes and shapes can be clamped, and the subsequent detection and treatment are convenient.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (8)

1. A plastic case circuit breaker leakage detection device is characterized by comprising a case body (1), a protection frame (2), a first clamping plate (31) and a second clamping plate (32);

the protective frame (2) is arranged on the box body (1); the protective frame (2) is positioned at the back of the box body (1); the number of the first clamping plate (31) and the number of the second clamping plate (32) are two; the two first clamping plates (31) and the two second clamping plates (32) are arranged in the box body (1) in a sliding manner; the two first clamping plates (31) are vertically and symmetrically arranged; the two second clamping plates (32) are horizontally and symmetrically arranged, the first clamping plates (31) and the second clamping plates (32) are arranged in a staggered mode, the two first clamping plates (31) and the two second clamping plates (32) are arranged in a cross shape, and the second clamping plates (32) are located on one side close to the protection frame (2); the protective frame (2) is provided with a driving mechanism (5) for driving the two first clamping plates (31) and the two second clamping plates (32) to move; a sliding groove (101) is arranged on the box body (1); four sliding grooves (101) are arranged; the output end of the driving mechanism (5) passes through the sliding groove (101) and is respectively connected with the first clamping plate (31) and the second clamping plate (32).

2. A molded case circuit breaker leakage detecting device according to claim 1, wherein the driving mechanism (5) comprises a gear (501), a first rack (502), a second rack (503) and a connecting rod (504); the number of the first racks (502) and the number of the second racks (503) are two; four connecting rods (504) are arranged; the gear (501) is rotatably arranged on the box body (1), and the first rack (502) and the second rack (503) are both arranged on the box body (1) in a sliding manner; the two first racks (502) are vertically arranged, and the two first racks (502) are symmetrically arranged around the gear (501); the two second racks (503) are horizontally arranged, and the two second racks (503) are symmetrically arranged around the gear (501); the first rack (502) and the second rack (503) are arranged in a staggered manner; the four connecting rods (504) are respectively arranged in the four sliding grooves (101) in a sliding manner, and one ends of the four connecting rods (504) are respectively arranged on the two first clamping plates (31) and the two second clamping plates (32); the other ends of the four connecting rods (504) are respectively arranged on the two first racks (502) and the two second racks (503); the two first racks (502) and the two second racks (503) are meshed with the gear (501); the protective frame (2) is provided with a limiting mechanism (8) for limiting the gear (501).

3. The molded case circuit breaker leakage detecting device of claim 2, wherein the case (1) is provided with four guide mechanisms (6); the four guide mechanisms (6) are respectively connected with the two first racks (502) and the second rack (503) in a sliding manner; the guide mechanism (6) comprises a fixed block (601), a second guide rail (602) and a sliding block (603); the fixed block (601) is arranged on the box body (1), and the second guide rail (602) is arranged on the fixed block (601); the four sliding blocks (603) are respectively arranged on the two first racks (502) and the two second racks (503); the four sliding blocks (603) are respectively arranged on the four second guide rails (602) in a sliding manner.

4. The molded case circuit breaker leakage detecting device of claim 2, wherein the limiting mechanism (8) comprises a supporting block (801), a sliding rod (802), an elastic member (803) and a limiting block (804); the supporting block (801) is arranged on the protective frame (2); the sliding rod (802) is arranged on the supporting block (801) in a sliding manner; the limiting block (804) is arranged at the lower end of the sliding rod (802), and the limiting block (804) is clamped with the gear (501); the elastic piece (803) is arranged on the outer periphery side of the sliding rod (802), and two ends of the elastic piece (803) are respectively connected with the supporting block (801) and the limiting block (804).

5. A molded case circuit breaker leakage detecting device according to claim 2, wherein the gear (501) is provided with a handle (7).

6. An electrical leakage detecting device for a molded case circuit breaker according to claim 4, wherein there are two sliding rods (802) and two elastic members (803); the upper end of the sliding rod (802) is provided with a connecting block (9); the connecting block (9) is detachably connected with the two sliding rods (802); the two elastic pieces (803) are respectively arranged on the outer peripheral sides of the two sliding rods (802), and two ends of the two elastic pieces (803) are respectively connected with the supporting block (801) and the limiting block (804).

7. The molded case circuit breaker leakage detecting device of claim 1, wherein the number of the first guide rails (4) is four, four first guide rails (4) are arranged in the case (1), and two first clamping plates (31) and two second clamping plates (32) are slidably connected with the four first guide rails (4), respectively.

8. An electrical leakage detecting device for a molded case circuit breaker according to claim 1, wherein the first clamping plate (31) and the second clamping plate (32) are provided with rubber pads.

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