Low-voltage alternating-current power distribution cabinet facilitating installation of multiple circuit breakers

Abstract

The utility model relates to the technical field of power distribution cabinets, in particular to a low-voltage alternating-current power distribution cabinet convenient for mounting a plurality of circuit breakers, which comprises a box body, a base and a box cover, the base is arranged at the lower end of the box body, the box cover is arranged on the side surface of the box body, the box cover is rotatably connected with the box body, and a mounting structure is arranged on the side surface of the box body; the limiting plate is taken up, the limiting plate can be adjusted at the position of the upper end of the supporting frame, when the limiting plate is adjusted to the position where installation is needed, the limiting block is clamped into the groove in the surface of the supporting frame through the limiting plate, and then the threaded rod is screwed into the supporting frame again and penetrates through the limiting plate to fix the limiting plate. Therefore, the purpose of quickly adjusting the installation position of the circuit breaker is achieved, the practicability of the device is improved, and the situation that when a line needs to be adjusted, the position of the circuit breaker cannot be changed, and consequently the line is not long enough and cannot be adjusted is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a low-voltage AC power distribution cabinet which is convenient for installing multiple circuit breakers. Background Art

[0002] With the rapid development of power systems, low-voltage AC distribution cabinets are increasingly used in various industrial, commercial and civil fields. As a key component in the distribution cabinet, the convenience of installation and maintenance of circuit breakers is crucial to improving the stability and operation efficiency of the power system. Therefore, it is necessary to set up a low-voltage AC distribution cabinet that is convenient for the installation of multiple circuit breakers. However, the existing devices still have certain defects when used, such as:

[0003] When the device is in use and the circuit breaker needs to be installed, the installation point of the circuit breaker in the ordinary distribution cabinet is fixed. When the circuit needs to be adjusted, the position of the circuit breaker is fixed and cannot be changed, which may cause the wires to be not long enough, resulting in the inability to adjust the line, and the installation positions of multiple circuit breakers cannot be changed quickly, reducing the practicality of the device. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned problem and to propose a low-voltage AC distribution cabinet that is convenient for installing multiple circuit breakers, thereby improving the problem that the installation position of the circuit breakers in the existing low-voltage AC distribution cabinet that is convenient for installing multiple circuit breakers cannot be changed.

[0005] A low-voltage AC power distribution cabinet for convenient installation of multiple circuit breakers, comprising a box body, a base and a box cover: the lower end of the box body is provided with a base, the side of the box body is provided with a box cover, the box cover is rotatably connected to the box body, and the side of the box body is provided with a mounting structure;

[0006] The installation structure includes a sliding block, a sliding groove, a support frame and a threaded rod. The inner side of the box body is provided with a sliding groove, the sliding block is arranged inside the sliding groove, the side of the sliding block is provided with a support frame, and the side of the support frame is provided with a threaded rod.

[0007] Preferably, the sliding block is slidably connected to the sliding groove, and the threaded rod is threadedly connected to the support frame.

[0008] Preferably, a limiting plate is provided on the surface of the threaded rod, a limiting block is provided on the side of the limiting plate, and the threaded rod passes through the limiting plate and the limiting block.

[0009] Preferably, a clamping block is provided inside the limiting plate, the clamping block is slidably connected to the limiting plate, a circuit breaker body is provided on a side of the clamping block, a fixing screw is provided on the side of the clamping block, and the fixing screw is threadedly connected to the limiting plate.

[0010] Preferably, an observation mirror is provided on the side of the box cover, a locking block is provided on the side of the box cover, and a limiting rod is provided on the side of the box body, and the limiting rod passes through the locking block.

[0011] Preferably, a limit screw is provided at the upper end of the support frame, and the limit screw is threadedly connected to the box body. A heat dissipation column is provided at the upper end of the box body, and a dust cover is provided at the upper end of the heat dissipation column.

[0012] Preferably, a cooling fan is provided on a side of the box body, and a cooling fan is also provided on the other side of the box body.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the arrangement of the limit plate, the limit block, the support frame and the threaded rod, when the device is in use and the position of the circuit breaker needs to be changed, the threaded rod is screwed out from the inside of the support frame, and then the limit plate is picked up so that the limit plate can be adjusted at the position of the upper end of the support frame. When it is adjusted to the position to be installed, the limit block is engaged into the groove on the surface of the support frame through the limit plate, and then the threaded rod is screwed back into the inside of the support frame and passed through the limit plate to fix the limit plate, so as to achieve the purpose of quickly adjusting the installation position of the circuit breaker, improve the practicability of the device, and prevent the line from being too long to be adjusted due to the position of the circuit breaker cannot be changed when the line needs to be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall front-view stereoscopic structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the support frame and the threaded rod installation of the utility model;

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the circuit breaker body and the card block installation of the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the installation of the limiting plate and the limiting block of the utility model.

[0019] In the figure: 1. box body; 2. base; 3. box cover; 4. heat dissipation column; 5. dust cover; 6. locking block; 7. observation mirror; 8. support frame; 9. sliding groove; 10. limit rod; 11. sliding block; 12. limit plate; 13. circuit breaker body; 14. clamping block; 15. fixing screw; 16. limit screw; 17. limit block; 18. threaded rod; 19. cooling fan; 20. installation structure. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] When implementing: Figure 1-4 As shown, a low-voltage AC power distribution cabinet for facilitating installation of multiple circuit breakers comprises a box body 1, a base 2 and a box cover 3: the base 2 is arranged at the lower end of the box body 1, the box cover 3 is arranged on the side of the box body 1, the box cover 3 is rotatably connected to the box body 1, and the side of the box body 1 is provided with a mounting structure 20;

[0022] The mounting structure 20 includes a sliding block 11, a sliding groove 9, a support frame 8 and a threaded rod 18. The inner side of the box body 1 is provided with a sliding groove 9, the sliding block 11 is arranged inside the sliding groove 9, the side of the sliding block 11 is provided with a support frame 8, and the side of the support frame 8 is provided with a threaded rod 18;

[0023] When the device is in use and the circuit breaker body 13 needs to be installed, the support frame 8 is inserted into the interior of the box body 1 through the sliding block 11, so that the sliding block 11 slides inside the sliding groove 9. When the sliding block 11 moves to the innermost end, the limit screw 16 is screwed into the interior of the box body 1 to fix the support frame 8, and then the limit plate 12 is engaged with the surface of the support frame 8 through the limit block 17, and then the threaded rod 18 is screwed into the interior of the support frame 8, passing through the limit plate 12, to fix the limit plate 12, so as to install the circuit breaker body 13.

[0024] The sliding block 11 is slidably connected to the sliding groove 9 , and the threaded rod 18 is threadedly connected to the supporting frame 8 .

[0025] A limiting plate 12 is disposed on the surface of the threaded rod 18, a limiting block 17 is disposed on the side of the limiting plate 12, and the threaded rod 18 passes through the limiting plate 12 and the limiting block 17;

[0026] When the device is in use, the limit plate 12 is placed in the surface groove of the support frame 8 according to the installation requirements of the circuit breaker body 13, and then the limit block 17 is engaged in the groove on the surface of the support frame 8 through the limit plate 12, and then the threaded rod 18 is screwed into the inside of the support frame 8, and the limit block 17 and the limit plate 12 are observed to fix the limit plate 12.

[0027] A clamping block 14 is disposed inside the limit plate 12, and the clamping block 14 is slidably connected to the limit plate 12. A circuit breaker body 13 is disposed on the side of the clamping block 14, and a fixing screw 15 is disposed on the side of the clamping block 14, and the fixing screw 15 is threadedly connected to the limit plate 12.

[0028] When the device is in use, the limit plate 12 is fixed at the position where the circuit breaker body 13 needs to be installed, and then the circuit breaker body 13 is slid into the inside of the limit plate 12, so that the block 14 slides on the inner side of the limit plate 12. When the limit plate 12 slides to the innermost end, the fixing screw 15 is screwed into the inside of the limit plate 12 to fix the circuit breaker body 13 and install the circuit breaker body 13 into the inside of the limit plate 12.

[0029] An observation mirror 7 is provided on the side of the box cover 3, a locking block 6 is provided on the side of the box cover 3, and a limiting rod 10 is provided on the side of the box body 1, and the limiting rod 10 passes through the locking block 6;

[0030] When the device is in use and the box cover 3 needs to be opened, the limiting rod 10 is pulled out from the inside of the locking block 6, and then the box cover 3 is pulled open, and the circuit breaker body 13 is installed, and then the box cover 3 is closed again to fit with the box body 1, and the limiting rod 10 is reinserted into the inside of the locking block 6 to fix the box cover 3.

[0031] The upper end of the support frame 8 is provided with a limit screw 16, which is threadedly connected to the box body 1. The upper end of the box body 1 is provided with a heat dissipation column 4, and the upper end of the heat dissipation column 4 is provided with a dust cover 5;

[0032] A cooling fan 19 is provided on the side of the box body 1, and a cooling fan 19 is also provided on the other side of the box body 1;

[0033] When the device is in use, the circuit breaker body 13 generates heat. When the heat is too high, it may cause a fire. Therefore, it is necessary to turn on the cooling fans 19 on both sides of the box body 1, so that the cooling fans 19 can blow air into the box body 1 at the same time, and blow the heat generated by the circuit breaker body 13 out from the top and discharge it from the inside of the heat dissipation column 4. The dust cover 5 is used to prevent dust from clogging the heat dissipation column 4, thereby reducing the heat dissipation efficiency.

[0034] When the utility model is in use, firstly, the limiting rod 10 is pulled out from the inside of the locking block 6, then the box cover 3 is opened, and the sliding block 11 is inserted into the inside of the sliding groove 9 to slide, so as to install the support frame 8 into the inside of the box body 1, and then the limiting screw 16 is screwed into the inside of the box body 1 to fix the support frame 8. At this time, the limiting block 17 is inserted into the groove of the support frame 8 where the circuit breaker body 13 needs to be installed through the limiting plate 12, and then the threaded rod 18 is screwed into the inside of the support frame 8, and passes through the limiting plate 12 and the limiting block 17, so as to fix the limiting plate 12 is fixed, the circuit breaker body 13 is placed into the limiting plate 12 by engaging the card block 14 into the limiting plate 12, and then the fixing screw 15 is screwed into the limiting plate 12 to install the circuit breaker body 13, so that the circuit breaker body 13 is fixed inside the limiting plate 12, the box cover 3 is closed and fitted with the box body 1, and the limiting rod 10 is inserted into the locking block 6 to fix the box cover 3, so as to achieve the purpose of installing multiple circuit breakers and adjust the installation position of the circuit breaker.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A low voltage AC power distribution cabinet that facilitates the installation of multiple circuit breakers, characterized in that: The invention comprises a box body (1), a base (2) and a box cover (3): the base (2) is arranged at the lower end of the box body (1), the box cover (3) is arranged on the side of the box body (1), the box cover (3) is rotatably connected to the box body (1), and the side of the box body (1) is provided with a mounting structure (20); The mounting structure (20) comprises a sliding block (11), a sliding groove (9), a support frame (8) and a threaded rod (18); the inner side of the box body (1) is provided with a sliding groove (9); the interior of the sliding groove (9) is provided with a sliding block (11); the side of the sliding block (11) is provided with a support frame (8); and the side of the support frame (8) is provided with a threaded rod (18).

2. A low-voltage AC power distribution cabinet for facilitating installation of multiple circuit breakers according to claim 1, characterized in that: The sliding block (11) is slidably connected to the sliding groove (9), and the threaded rod (18) is threadedly connected to the support frame (8).

3. A low-voltage AC power distribution cabinet for facilitating installation of multiple circuit breakers according to claim 2, characterized in that: A limiting plate (12) is arranged on the surface of the threaded rod (18), a limiting block (17) is arranged on the side of the limiting plate (12), the threaded rod (18) passes through the limiting plate (12), and the threaded rod (18) passes through the limiting block (17).

4. A low-voltage AC power distribution cabinet for facilitating installation of multiple circuit breakers according to claim 3, characterized in that: A clamping block (14) is arranged inside the limit plate (12), the clamping block (14) is slidably connected to the limit plate (12), a circuit breaker body (13) is arranged on the side of the clamping block (14), a fixing screw (15) is arranged on the side of the clamping block (14), and the fixing screw (15) is threadedly connected to the limit plate (12).

5. A low voltage AC power distribution cabinet for facilitating installation of multiple circuit breakers according to claim 1, characterized in that: An observation mirror (7) is provided on the side of the box cover (3), a locking block (6) is provided on the side of the box cover (3), and a limiting rod (10) is provided on the side of the box body (1), and the limiting rod (10) passes through the locking block (6).

6. A low-voltage AC power distribution cabinet for facilitating installation of multiple circuit breakers according to claim 1, characterized in that: The upper end of the support frame (8) is provided with a limit screw (16), and the limit screw (16) is threadedly connected to the box body (1). The upper end of the box body (1) is provided with a heat dissipation column (4), and the upper end of the heat dissipation column (4) is provided with a dust cover (5).

7. A low-voltage AC power distribution cabinet for facilitating installation of multiple circuit breakers according to claim 1, characterized in that: A cooling fan (19) is provided on the side of the box body (1), and a cooling fan (19) is also provided on the other side of the box body (1).

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