Handcart type circuit breaker

Abstract

The handcart type circuit breaker comprises a driving assembly, a clamping assembly and a circuit breaker body, the driving assembly comprises a first motor, a first lead screw arranged at the output end of the first motor, a sliding block arranged outside the first lead screw in a threaded mode and a sliding plate fixed to the upper end of the sliding block, and the first motor is installed in a cabinet body; a sliding groove is formed in the rear side of the upper end of the sliding plate. According to the handcart type circuit breaker, the arranged first motor drives the first lead screw to rotate so as to drive the sliding block and the sliding plate to slide, so that the circuit breaker body on the sliding plate can be subjected to drawing control, the trouble of manual drawing is omitted, meanwhile, the arranged second motor drives the second lead screw to rotate, and the operation is convenient. The two clamping plates are driven to get close to each other to clamp and fix the circuit breaker body on the sliding plate, and clamping and fixing of the circuit breaker body can be relieved by driving the two clamping plates to get away from each other in the later period, so that the circuit breaker body can be disassembled quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field, concretely is a handcart type circuit breaker. BACKGROUND

[0002] Circuit breaker refers to the switch device that can close, carry and open the current under the normal circuit condition and can close, carry and open the current under the abnormal circuit condition in the prescribed time. 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 fuzzy, and generally, 3kV above is called high voltage electric appliance, circuit breaker can be used to distribute electric energy, and it is not frequent to start asynchronous motor, and it is protected to power line and motor, when they occur serious overload or short circuit and under voltage fault, it can automatically cut off the circuit, and its function is equivalent to the combination of fuse type switch and over-under thermal relay, and after breaking down the fault current, generally, no parts need to be replaced. It has obtained wide application

[0003] The existing circuit breaker usually uses sliding plate and slide rail to slide the device, and manual pulling is needed in use, which is more troublesome, and the existing circuit breaker is installed on the sliding plate by bolts, and it is not convenient to disassemble the circuit breaker quickly in the later period, therefore, the handcart type circuit breaker is provided. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above and / or the problems existing in the existing circuit breaker, the utility model is proposed.

[0006] Therefore, the utility model aims at providing a handcart type circuit breaker, the first lead screw is driven to rotate by the first motor, and then the sliding block and the sliding plate are driven to slide, so that the circuit breaker body on the sliding plate can be pulled out and controlled, and the manual pulling trouble is saved, and the second lead screw is driven to rotate by the second motor, the two clamping plates are driven to approach each other, and the circuit breaker body is clamped and fixed on the sliding plate, and the clamping and fixing of the circuit breaker body can be released by driving the two clamping plates to move away from each other, so that the circuit breaker body can be disassembled quickly.

[0007] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0008] A handcart type circuit breaker comprises:

[0009] A driving assembly comprises a first motor, a first screw rod arranged at an output end of the first motor, a sliding block threadedly arranged outside the first screw rod, and a sliding plate fixed at an upper end of the sliding block, the first motor is installed in the cabinet, and a sliding groove is formed in a rear side of the upper end of the sliding plate;

[0010] A clamping assembly comprises a second motor arranged in the sliding plate, a second screw rod arranged at an output end of the second motor, and two clamping plates symmetrically arranged outside the second screw rod, the outer wall of the second screw rod is provided with two reverse threads, and the outer wall of the clamping plate is attached to the inner wall of the sliding groove;

[0011] A circuit breaker body is arranged at the middle part of the upper end of the sliding plate, the opposite outer walls of the circuit breaker body are provided with clamping grooves, and the clamping plates are arranged in the clamping grooves;

[0012] As a preferred scheme of the handcart type circuit breaker, the rear end of the first motor is fixed with a mounting plate, and the mounting plate is provided with a bolt.

[0013] As a preferred scheme of the handcart type circuit breaker, the opposite outer walls of the sliding plate are attached to the opposite inner walls of the cabinet.

[0014] As a preferred scheme of the handcart type circuit breaker, the upper end of the sliding plate is provided with a placing groove, and the circuit breaker body is arranged in the placing groove.

[0015] As a preferred scheme of the handcart type circuit breaker, the inner wall of the placing groove is provided with a protective pad, and the protective pad is made of rubber.

[0016] As a preferred scheme of the handcart type circuit breaker, the inner wall of the clamping plate is provided with a protective pad, and the protective pad is made of rubber.

[0017] Compared with the prior art, the handcart type circuit breaker has the beneficial effects that the first motor is arranged to drive the first screw rod to rotate, thereby driving the sliding block and the sliding plate to slide, so that the circuit breaker body on the sliding plate can be controlled to be pulled out, manual pulling out is omitted, meanwhile, the second motor is arranged to drive the second screw rod to rotate, thereby driving the two clamping plates to approach each other to clamp and fix the circuit breaker body on the sliding plate, and in the later period, the two clamping plates are driven to move away from each other to release the clamping and fixing of the circuit breaker body, so that the circuit breaker body can be quickly disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the utility model will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0019] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model of a handcart type circuit breaker;

[0020] Fig. 2 It is a three-dimensional structure schematic diagram of the utility model of a handcart type circuit breaker;

[0021] Fig. 3 It is a three-dimensional structure schematic diagram of the utility model of a handcart type circuit breaker sliding plate;

[0022] In the drawing: 100, drive assembly;110, first motor;111, mounting plate;120, first lead screw;130, sliding block;140, sliding plate;141, sliding slot;142, placing groove;200, clamping assembly;210, second motor;220, second lead screw;230, clamping plate;300, circuit breaker body. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below in combination with the drawings.

[0024] Secondly, the utility model is described in detail in combination with the schematic diagram, and in the detailed description of the embodiments of the utility model, the sectional view of the device structure will be partially enlarged without the general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below in combination with the drawings.

[0026] The utility model provides a kind of handcart type circuit breaker, by being set first motor drive first lead screw rotation, further drive sliding block and sliding plate sliding, to be pulled out control to the circuit breaker body on sliding plate, spare artificial manual pulling the trouble, simultaneously by being set second motor drive second lead screw rotation, drive two clamping plates to be close to each other and be clamped and fixed circuit breaker body on sliding plate, later by driving two clamping plates to be far away from each other, the clamping and fixing of circuit breaker body can be released, to be quickly disassembled to circuit breaker body.

[0027] Figs. 1-3 The utility model discloses a handcart type circuit breaker one embodiment's structure diagram is shown, please refer to Figs. 1-3 The utility model discloses a handcart type circuit breaker, and the main part includes drive assembly 100, clamping assembly 200 and circuit breaker body 300.

[0028] Drive assembly 100 includes first motor 110, the first screw rod 120 of setting in the output of first motor 110, the slider 130 of screwing in the outside of first screw rod 120 and the sliding plate 140 of being fixed on the upper end of slider 130, and first motor 110 is installed in the inside of cabinet, and the upper end rear side of sliding plate 140 is provided with sliding groove 141. As preferred, in the utility model, the rear end of first motor 110 is fixed with mounting plate 111, and the mounting plate 111 is provided with bolt, and the bolt is passed through mounting plate 111 to the cabinet, and first motor 110 is installed in the inside of cabinet by bolt under the action of mounting plate 111, and the operator can disassemble the whole drive assembly 100 by taking off the bolt to carry out the disassembly and repair to drive assembly 100, and the relative outer wall of sliding plate 140 is attached to the relative inner wall of cabinet, and the sliding plate 140 that the outer wall is attached to the inner wall of cabinet generates certain friction with the inner wall of cabinet in the process of sliding, to ensure the stability of sliding plate 140 in the process of sliding.

[0029] Clamping assembly 200 includes the second motor 210 of setting in the inside of sliding plate 140, the second screw rod 220 of setting in the output of second motor 210 and the two clamping plates 230 of screwing in the outside of second screw rod 220 and symmetrically setting, and the outer wall of second screw rod 220 is provided with two reverse threads, and the outer wall of clamping plate 230 is attached to the inner wall of sliding groove 141. As preferred, in the utility model, the inner wall of clamping plate 230 is provided with protective pad, and the material of protective pad is rubber, and the protective pad setting in the inner wall of clamping plate 230 plays the role of protection to circuit breaker body 300, to prevent clamping plate 230 from directly contacting circuit breaker body 300 and causing abrasion.

[0030] Circuit breaker body 300 is arranged in the upper end middle part of sliding plate 140, and the relative outer wall of circuit breaker body 300 is provided with clamping groove, and clamping plate 230 is arranged in the clamping groove. As preferred, in the utility model, the upper end of sliding plate 140 is provided with placing groove 142, and circuit breaker body 300 is arranged in placing groove 142, and the setting placing groove 142 is used to place circuit breaker body 300 to position circuit breaker body 300, and the inner wall of placing groove 142 is provided with protective pad, and the material of protective pad is rubber, and the protective pad setting in the inner wall of placing groove 142 plays the role of protection to circuit breaker body 300, to prevent the outer wall of circuit breaker body 300 from directly contacting the inner wall of placing groove 142 and causing abrasion.

[0031] CombineFigs. 1-3 The handcart type circuit breaker of the embodiment is used as follows: the first motor 110 is started, the first motor 110 drives the first lead screw 120 to rotate, further drives the sliding block 130 and the sliding plate 140 to slide in the cabinet, further controls the circuit breaker body 300 on the sliding plate 140 to be pulled out, the trouble of manual pulling out is saved, the second lead screw 220 is driven to rotate by the second motor 210 arranged, two clamping plates 230 are driven to approach each other, the circuit breaker body 300 is clamped and fixed on the sliding plate 140, the clamping and fixing of the circuit breaker body 300 can be released by starting the second motor 210 to drive the two clamping plates 230 to move away from each other, and the circuit breaker body 300 can be quickly disassembled.

[0032] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the disclosed embodiments of the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A handcart-type circuit breaker, characterized in that, include: The drive assembly (100) includes a first motor (110), a first lead screw (120) disposed at the output end of the first motor (110), a slider (130) threaded outside the first lead screw (120), and a sliding plate (140) fixed to the upper end of the slider (130). The first motor (110) is installed inside the cabinet, and a groove (141) is provided on the rear side of the upper end of the sliding plate (140). The clamping assembly (200) includes a second motor (210) disposed inside the sliding plate (140), a second lead screw (220) disposed at the output end of the second motor (210), and two clamping plates (230) with threads disposed outside the second lead screw (220) and symmetrically arranged. The outer wall of the second lead screw (220) is provided with two reverse threads, and the outer wall of the clamping plate (230) is in contact with the inner wall of the slide groove (141). The circuit breaker body (300) is located at the upper middle part of the sliding plate (140), and a slot is provided on the opposite outer wall of the circuit breaker body (300), and the clamping plate (230) is located in the slot.

2. The handcart-type circuit breaker according to claim 1, characterized in that, The rear end of the first motor (110) is fixed with a mounting plate (111), and bolts are provided on the mounting plate (111) and the bolts pass through the mounting plate (111) into the cabinet.

3. A handcart-type circuit breaker according to claim 1, characterized in that, The outer wall of the sliding plate (140) is in contact with the inner wall of the cabinet.

4. A handcart-type circuit breaker according to claim 1, characterized in that, The upper end of the sliding plate (140) is provided with a placement groove (142), and the circuit breaker body (300) is disposed in the placement groove (142).

5. A handcart-type circuit breaker according to claim 4, characterized in that, The inner wall of the placement groove (142) is provided with a protective pad, which is made of rubber.

6. A handcart-type circuit breaker according to claim 1, characterized in that, The inner wall of the clamping plate (230) is provided with a protective pad, which is made of rubber.

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