Low-voltage circuit breaker convenient to install and position

Abstract

The utility model discloses a low-voltage circuit breaker convenient to install and position, which comprises a circuit breaker main body, a detachable installation positioning device is installed on the surface of the circuit breaker main body, the installation positioning device comprises a positioning seat and an installation seat, the circuit breaker main body is installed on the surface of the installation positioning device, and the position of the circuit breaker main body is limited through the positioning seat; according to the design, the installation positioning device is arranged and can be used in cooperation with a net-shaped fixing fence of the distribution box, limiting and fixing are conducted through a limiting block of the installation base and a notch of the net-shaped fixing fence, so that simple and rapid installation and positioning of the circuit breaker are achieved, meanwhile, a heat dissipation fan and a heat dissipation groove are arranged, heat dissipation can be conducted on the circuit breaker, and the service life of the circuit breaker is prolonged. The service life of the circuit breaker is prevented from being shortened due to overheating.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a low-voltage circuit breaker convenient for installation and positioning. Background Art

[0002] A circuit breaker refers to a switching device that can close, carry, and break the current under normal circuit conditions and can close, carry, and break the current under abnormal circuit conditions within a specified time.

[0003] The prior art discloses a safety low-voltage circuit breaker with the application number 202221953665.0, which includes a low-voltage circuit breaker body placed in a placement box. The inner walls of the top, both sides, and the rear end of the placement box are all provided with storage grooves. A silica gel film is fixedly arranged inside each storage groove, and dry powder is stored inside the storage groove; however, during the installation process of this prior art low-voltage circuit breaker, screws are usually used for fixation, and the installation and positioning are relatively inconvenient. Moreover, when disassembling, repairing, etc. after fixation, the screws also need to be loosened and tightened again, which is rather cumbersome and quite troublesome. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the purpose of the present utility model is to provide a low-voltage circuit breaker convenient for installation and positioning, so as to solve the problems that the installation and positioning are relatively inconvenient, and when disassembling, repairing, etc. after fixation, the screws also need to be loosened and tightened again, which is rather cumbersome.

[0005] To achieve the above purpose, the present utility model provides the following technical solution: A low-voltage circuit breaker convenient for installation and positioning, including a circuit breaker body, the circuit breaker body is arranged inside a distribution box, and a grid-shaped fixing bar is fixed on the inner wall of the distribution box. It is characterized in that: A detachable installation and positioning device is installed on the surface of the circuit breaker body. The installation and positioning device includes a positioning seat and an installation seat. The circuit breaker body is installed on the surface of the installation and positioning device and its position is limited by the positioning seat. The installation seat is in limit connection with the grid-shaped fixing bar fixed on the inner wall of the distribution box.

[0006] By adopting the above technical solution, it can be directly buckled on the mesh fixing bar of the distribution box through the installation and positioning device, and the installation and positioning are convenient and simple, and the disassembly is also fast. At the same time, it plays a protective role to prevent bumps on both sides.

[0007] Preferably, the surface and the top of the installation and positioning device are of an open structure.

[0008] By adopting the above technical solution, the circuit breaker can be semi-wrapped and restricted.

[0009] Preferably, the mounting base includes a knob and a clamping block. The knob is threadedly connected through a screw passing through the wall of the installation and positioning device, and the other end is fixedly connected to the clamping block. A protective seat is arranged outside the knob.

[0010] By adopting the above technical solution, circuit breakers of different sizes can be restricted within the inner cavity of the installation and positioning device through the positioning seat.

[0011] Preferably, a rubber pad is arranged on the surface of the clamping block.

[0012] By adopting the above technical solution, it can play a role in increasing friction, which is beneficial to restricting the position of the circuit breaker.

[0013] Preferably, the mounting base includes a limit block, a connecting rod, an adjustment button, and a return spring. A telescopic clamping block is arranged outside the limit block. One end of the adjustment button is fixedly connected to the outside of the lower end of the connecting rod, and the inner side of the lower end of the connecting rod is fixedly connected to the return spring. The clamping block passes through the limit block and is fixedly connected to the outside of the upper end of the connecting rod. The mounting base is limit-connected by embedding the clamping block into the grid-shaped fixing bar fixed to the inner wall of the distribution box.

[0014] By adopting the above technical solution, it can be used in conjunction with the mesh-shaped fixing bar of the distribution box, and the clamping block is stuck in the notch of the grid-shaped fixing bar to limit the position.

[0015] Preferably, a heat dissipation port is arranged at the bottom of the installation and positioning device, and a heat dissipation fan is installed inside.

[0016] By adopting the above technical solution, the circuit breaker can be cooled by the heat dissipation fan.

[0017] Preferably, heat dissipation grooves are arranged on the back of the installation and positioning device.

[0018] By adopting the above technical solution, it can play a role in heat dissipation.

[0019] Compared with the prior art, the beneficial effects of the present utility model are:

[0020] The present utility model relates to a low-voltage circuit breaker that is convenient for installation and positioning. It is provided with an installation and positioning device, which can be used in conjunction with the mesh-shaped fixing bar of the distribution box. The limit block of the mounting base is used for limit fixation with the notch of the mesh-shaped fixing bar, so as to realize the simple and quick installation and positioning of the circuit breaker. At the same time, a heat dissipation fan and heat dissipation grooves are provided, which can dissipate heat from the circuit breaker to prevent the service life of the circuit breaker from being reduced due to overheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the main structure of a low-voltage circuit breaker that is convenient for installation and positioning according to the present utility model;

[0022] Figure 2 Schematic diagram of the connection structure between the circuit breaker body of a low-voltage circuit breaker facilitating installation and positioning in the present utility model and the grid-shaped fixing bar of the distribution box;

[0023] Figure 3 Schematic diagram of the installation and positioning device structure of a low-voltage circuit breaker facilitating installation and positioning in the present utility model;

[0024] Figure 4 Top view of the installation and positioning device of a low-voltage circuit breaker facilitating installation and positioning in the present utility model;

[0025] Figure 5 Enlarged schematic diagram of B of a low-voltage circuit breaker facilitating installation and positioning in the present utility model;

[0026] Figure 6 Enlarged schematic diagram of C of a low-voltage circuit breaker facilitating installation and positioning in the present utility model;

[0027] Reference numerals: circuit breaker body - 1, installation and positioning device - 2, positioning seat - 21, mounting seat - 22, cooling fan - 23, cooling slot - 24, knob - 211, clamping block - 212, protection seat - 213, limiting block - 221, connecting rod - 222, adjustment button - 223, return spring - 224, rubber pad - 2111, block - 2211. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Embodiment

[0030] As Figure 1-6As shown in the figure, a low-voltage circuit breaker that is convenient for installation and positioning. The circuit breaker body is arranged inside the distribution box. A grid-shaped fixing bar 31 is fixed on the inner wall of the distribution box 3. It is characterized in that: a detachable installation and positioning device 2 is installed on the surface of the circuit breaker body 1. The installation and positioning device 2 includes a positioning seat 21 and an installation seat 22. The circuit breaker body 1 is installed on the surface of the installation and positioning device 2 and its position is limited by the positioning seat 21. The installation seat 22 is in limit connection with the grid-shaped fixing bar 31 fixed on the inner wall of the distribution box 3. Through the above technical solution, the installation and positioning device 2 can be directly buckled on the grid-shaped fixing bar 31 of the distribution box 3, which is convenient and simple for installation and quick for disassembly. At the same time, it plays a protective role to prevent bumps on both sides.

[0031] In this embodiment, the surface and the top of the installation and positioning device 2 are of an open structure, which can semi-wrap and limit the circuit breaker.

[0032] In this embodiment, the installation seat 22 includes a knob 211 and a clamping block 212. The knob 211 passes through the surface wall of the installation and positioning device 2 through a screw rod and is in threaded connection, and the other end is fixedly connected to the clamping block 212. A protective seat 213 is arranged outside the knob 211. By rotating the knob 211 forward or backward, the extension or retraction of the clamping block 212 can be controlled, so as to limit the position or disassemble circuit breakers of different sizes.

[0033] In this embodiment, a rubber pad 2111 is arranged on the surface of the clamping block 212, which can play a role in increasing friction and is beneficial to the position limitation of the circuit breaker.

[0034] In this embodiment, the installation seat 22 includes a limit block 221, a connecting rod 222, an adjustment button 223, and a return spring 224. A telescopic clamping block 2211 is arranged outside the limit block 221. One end of the adjustment button 223 is fixedly connected to the outside of the lower end of the connecting rod 222, and the inner side of the lower end of the connecting rod 222 is fixedly connected to the return spring 224. The clamping block 2211 passes through the limit block 221 and is fixedly connected to the outside of the upper end of the connecting rod 222. The installation seat 22 is in limit connection with the grid-shaped fixing bar 31 fixed on the inner wall of the distribution box 3 by inserting the clamping block 2211. By pressing the adjustment button 223, the connecting rod 222 is pushed and the return spring 224 is compressed, so that the connecting rod 222 drives the clamping block 2211 to move inward, and then it is inserted into the grid-shaped fixing bar 31. Then the adjustment button 223 is released and it is stuck in the notch for position limitation, so as to install and position the circuit breaker.

[0035] In this embodiment, a heat dissipation port is arranged at the bottom of the installation and positioning device 2 and a heat dissipation fan 23 is installed inside, which can dissipate heat from the circuit breaker through the heat dissipation fan 23.

[0036] In this embodiment, a heat dissipation groove 24 is provided on the back of the installation and positioning device 2, which can be used in cooperation with the heat dissipation fan 23, facilitating the heat dissipation of the circuit breaker.

[0037] Working principle:

[0038] First, install the circuit breaker in the notch of the installation and positioning device 2, and then control the extension of the clamping block 212 by rotating the knob 211 to limit the position of the circuit breaker. After it is fixed, take it to the distribution box equipped with a mesh fixing bar for installation. By pressing the adjustment button 223, the connecting rod 222 is pushed and the return spring 224 is compressed, so that the connecting rod 222 drives the block 2211 to move inward, and then it is inserted into the mesh fixing bar 31. Then release the adjustment button 223 to make it stuck in the notch for position limitation, thus installing and positioning the circuit breaker; on the contrary, if it needs to be disassembled, press the adjustment button 223 again to make the block 2211 move inward, and then pull it out; this design is provided with an installation and positioning device 2, which can be used in cooperation with the mesh fixing bar of the distribution box, and is limited and fixed through the limiting block of the mounting seat 22 and the notch of the mesh fixing bar, so as to realize the simple and quick installation and positioning of the circuit breaker. At the same time, a heat dissipation fan and a heat dissipation groove are provided to dissipate heat from the circuit breaker and prevent the service life of the circuit breaker from being reduced due to overheating.

[0039] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0040] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A low-voltage circuit breaker that is easy to install and position, comprising a circuit breaker body (1), the circuit breaker body (1) being arranged inside a distribution box (3), a grid-shaped fixed bar (31) being fixed to the inner wall of the distribution box (3), characterized in that: A detachable mounting and positioning device (2) is mounted on the surface of the circuit breaker body (1), the mounting and positioning device (2) comprising a positioning seat (21) and a mounting seat (22), the circuit breaker body (1) is mounted on the surface of the mounting and positioning device (2) and its position is limited by the positioning seat (21), and the mounting seat (22) is connected to a grid-shaped fixed bar (31) fixed to the inner wall of the distribution box (3) in a limiting manner.

2. A low voltage circuit breaker that is easy to install and position according to claim 1, characterized in that: The surface and top of the installation and positioning device (2) are in an open structure.

3. A low voltage circuit breaker that is easy to install and position according to claim 1, characterized in that: The positioning seat (21) comprises a knob (211) and a clamping block (212); the knob (211) passes through the surface wall of the mounting positioning device (2) through a screw rod and is threadedly connected; the other end is fixedly connected to the clamping block (212); a protective seat (213) is arranged on the outside of the knob (211).

4. A low voltage circuit breaker that is easy to install and position according to claim 3, characterized in that: A rubber pad (2111) is provided on the surface of the clamping block (212).

5. A low voltage circuit breaker that is easy to install and position according to claim 1, characterized in that: The mounting seat (22) comprises a limit block (221), a connecting rod (222), an adjustment button (223), and a reset spring (224); a telescopic clamping block (2211) is arranged on the outside of the limit block (221); one end of the adjustment button (223) is fixedly connected to the outside of the lower end of the connecting rod (222); the inner side of the lower end of the connecting rod (222) is fixedly connected to the reset spring (224); the clamping block (2211) passes through the limit block (221) and is fixedly connected to the outer side of the upper end of the connecting rod (222); and the mounting seat (22) is embedded in a grid-shaped fixed bar (31) fixed to the inner wall of the distribution box (3) through the clamping block (2211) for limit connection.

6. A low voltage circuit breaker that is easy to install and position according to claim 1, characterized in that: The installation and positioning device (2) is provided with a heat dissipation opening at the bottom and a heat dissipation fan (23) is installed inside.

7. A low voltage circuit breaker that is easy to install and position according to claim 6, characterized in that: The back of the installation and positioning device (2) is provided with a heat dissipation groove (24).

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