CN221900401U - A switch cabinet with self-locking structure - Google Patents

Abstract

The utility model relates to the technical field of switch cabinets and discloses a switch cabinet with a self-locking structure, which comprises an installation box, wherein one side of the installation box is connected with a protective door through a rotating shaft, one side of the installation box is provided with an installation groove for auxiliary fixing, the top of the installation box is fixedly provided with a fan for heat dissipation, both sides of the installation box are provided with sliding grooves for auxiliary sliding, the inner wall of each sliding groove is clamped with a main baffle for blocking, and the bottom of each main baffle is connected with an auxiliary baffle for auxiliary protection through the rotating shaft. Through the cooperation setting of main baffle and auxiliary baffle, can carry out secondary protection to inside electrical component after closing, consequently even after the self-locking structure appears damaging, still can guarantee inside electrical component's job stabilization nature, through the cooperation setting of fan and guard box, can directly outwards take out the steam from the top of device, and then accelerate the device and external air replacement speed to promote the practicality of device.

Description

A switch cabinet with self-locking structure

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to a switch cabinet with a self-locking structure.

Background Art

The switch cabinet is an electrical equipment. The external line of the switch cabinet first enters the main control switch inside the cabinet, and then enters the sub-control switch. Each branch is set according to its needs, such as instruments, automatic control, motor magnetic switches, various AC contactors, etc. Some also have high-voltage and low-voltage switch cabinets, with high-voltage busbars, such as power plants, etc. Some are also equipped with low-frequency load reduction to protect the main equipment.

The main function of the switchgear is to open and close, control and protect electrical equipment in the process of power generation, transmission, distribution and energy conversion in the power system. The components in the switchgear mainly include circuit breakers, disconnectors, load switches, operating mechanisms, mutual inductors and various protective devices. There are many ways to classify switchgear. For example, according to the installation method of the circuit breaker, it can be divided into removable switchgear and fixed switchgear; or according to the different cabinet structures, it can be divided into open switchgear, metal-enclosed switchgear, and metal-enclosed armored switchgear. According to the voltage level, it can be divided into high-voltage switchgear, medium-voltage switchgear and low-voltage switchgear, etc. It is mainly suitable for various occasions such as power plants, substations, petrochemicals, metallurgy and steel rolling, light industry and textiles, factories and mines, residential areas, high-rise buildings, etc.

Chinese patent announcement number CN216121310U discloses a self-locking switch cabinet, which relates to the technical field of switch cabinets, including a cabinet body, a cabinet door, a bending rod and a self-locking spring. The cabinet door is hinged on one side of the opening of the cabinet body, one end of the bending rod is hinged on the inner side of the cabinet door, and the other end of the bending rod is hinged on the inner side of the cabinet body. The two ends of the self-locking spring are respectively connected to the bending rod and the inner side of the cabinet body. The self-locking spring is used to pull the bending rod to bend, and the bending of the bending rod drives the cabinet door to close. The utility model can automatically close the switch cabinet door after the operator leaves, so as to prevent the internal components of the switch cabinet from being affected by external factors.

However, the utility model has the following problems when actually used:

1. The overall protection capability of the device is poor, and it is easy for the electrical components to not be fully protected after the self-locking structure is damaged;

2. The self-locking structure of the device accounts for a large proportion of the overall structure, which will affect the normal inspection and maintenance of the staff, so the overall practicality is low.

Utility Model Content

In order to overcome the above-mentioned defects of the prior art, the utility model provides a switch cabinet with a self-locking structure, which solves the problems in the prior art:

1. The overall protection capability of the device is poor, and it is easy for the electrical components to not be fully protected after the self-locking structure is damaged;

2. The self-locking structure of the device accounts for a large proportion of the overall structure, which will affect the normal inspection and maintenance of the staff, so the overall practicality is low.

To achieve the above purpose, the utility model is implemented through the following technical solutions: a switch cabinet with a self-locking structure, the switch cabinet includes an installation box with a protective door connected to one side through a rotating shaft, a mounting groove for auxiliary fixing is opened on one side of the installation box, a fan for heat dissipation is fixedly installed on the top of the installation box, and slide grooves for auxiliary sliding are opened on both sides of the installation box, a main baffle for blocking is clamped on the inner wall of the slide groove, and a secondary baffle for auxiliary protection is connected to the bottom of the main baffle through a rotating shaft;

A guide groove is provided on the top of the protective door, a tension spring for pulling is fixedly connected to one side of the protective door, a compression spring for buffering is fixedly connected to the inner bottom wall of the guide groove, and a block for limiting is fixedly connected to the top of the compression spring.

Optionally, a support foot is fixedly connected to the bottom of the installation box for support, and a non-slip pad is fixedly connected to the bottom of the support foot.

Optionally, a support frame for installation is clamped on the inner side wall of the installation box, and a support plate for adjustment is connected to the inner side wall of the support frame through bolts.

Optionally, a fixing rod for limiting position is threadedly penetrated through the outer surface of the support plate, and a fixing hole matched with the fixing rod is opened on the inner side wall of the support frame.

Optionally, a transparent plate for observation is fixedly connected to the outer surfaces of the main baffle and the auxiliary baffle.

Optionally, a support rod for support is inserted into the inner side wall of the installation box, and a plurality of hooks for fixation are sleeved on the outer surface of the support rod.

Optionally, a clamping ring for limiting position is fixedly connected to the top of the main baffle, and an inner side wall of the clamping ring is clamped with an outer surface of the hook.

The utility model provides a switch cabinet with a self-locking structure, which has the following beneficial effects:

1. The switch cabinet with a self-locking structure can provide secondary protection for the internal electrical components after closing through the coordinated setting of the main baffle and the auxiliary baffle. Therefore, even if the self-locking structure is damaged, the working stability of the internal electrical components can still be guaranteed. Through the coordinated setting of the fan and the protection box, the hot air can be directly drawn out from the top of the device, thereby accelerating the air replacement speed between the device and the outside world, thereby improving the practicality of the device.

2. The switch cabinet with a self-locking structure can pull the protective door by setting a tension spring, so that the protective door is in a normally closed state, thereby ensuring the overall protection of the device. The extension distance of the card block can be adjusted by the coordinated setting of the compression spring and the pressure block. Therefore, after the protective door is closed, the protective door can be directly clamped and fixed to complete self-locking. The structure of the card block is small, so it will not affect the normal operation of the staff, thereby improving the practicality of the transformation.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

Figure 2 is a schematic diagram of the explosion structure of the utility model;

Figure 3 is a schematic diagram of the main baffle structure of the utility model;

Figure 4 is a schematic diagram of the explosion structure of the support frame of the utility model;

FIG. 5 is a schematic diagram of the explosion structure of the card block of the utility model.

In the figure: 1. Installation box; 2. Installation slot; 3. Support foot; 4. Protection door; 5. Tension spring; 6. Guide slot; 7. Compression spring; 8. Block; 9. Fan; 10. Support frame; 11. Fixing hole; 12. Support plate; 13. Slide slot; 14. Main baffle; 15. Auxiliary baffle; 16. Transparent plate; 17. Support rod; 18. Hook; 19. Snap ring.

DETAILED DESCRIPTION

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. 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.

Please refer to Figures 1, 2 and 5. The utility model provides a technical solution: a switch cabinet with a self-locking structure can directly pull the protective door 4 by setting the tension spring 5, so that the protective door 4 can be closed in time after being punched, so that the protective door 4 is always in a normally closed state, thereby better protecting the internal electrical components. By setting the compression spring 7, the extension and retraction distance of the card block 8 can be adjusted, so that after the protective door 4 is closed, the card block 8 can be used to card into the installation box 1, thereby ensuring the stability of the protective door 4 after closing;

Please refer to Figures 1 to 4. The utility model provides a technical solution: by setting the installation box 1, the internal electrical components can be protected, thereby reducing the erosion of the electrical components caused by the surrounding environment, thereby extending the service life of the electrical components. By setting the installation slot 2, the support frame 10 can be installed and fixed more conveniently, thereby making it more convenient for the staff to perform inspection and maintenance operations on the electrical components on the support frame 10. By setting the support feet 3, the overall support stability of the device can be guaranteed;

Please refer to FIG. 1 and FIG. 2 . By setting the fan 9 , the hot air inside the device can be quickly dissipated to the outside, thereby cooling the inside of the device, thereby reducing the damage of electrical components due to heat.

Please refer to FIG. 2 and FIG. 4 . By cooperating with the support frame 10 and the support plate 12, the electrical components can be installed at different positions according to the use requirements, and the installation position of the support plate 12 can also be adjusted according to the size of the electrical components, thereby expanding the overall application range of the device.

Please refer to FIG1 . Through the coordinated arrangement of the main baffle 14 and the auxiliary baffle 15 , when it is necessary to open, the hook 18 and the snap ring 19 can be directly separated, and the main baffle 14 and the auxiliary baffle 15 can be folded downward, so that the internal electrical components are exposed, and it is more convenient for the staff to install, inspect, maintain and disassemble the internal electrical components, thereby improving the practicality of the device. When it is not opened, it can also provide sufficient protection for the internal electrical components, and even after the self-locking structure is damaged, the internal electrical components can still be protected;

The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

In the utility model, the working steps of the device are as follows:

First, open the protective door 4, then you can separate the top hook 18 and the snap ring 19, and then fold the main baffle 14 and the auxiliary baffle 15 downwards, you can pull out the support frame 10, and conceal the electrical components on the surface of the support frame 10, and you can also adjust the installation position of the support plate 12 according to the installation requirements. After the installation is completed, you can put the support frame 10 back into the installation slot 2, pull the main baffle 14 and the auxiliary baffle 15 upwards to protect the internal electrical components, and then release the protective door 4. The protective door 4 will automatically return to its position under the elastic force of the tension spring 5, and use the card block 8 to snap into the installation box 1, start the fan 9, and start working.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A switch cabinet with a self-locking structure, characterized in that: the switch cabinet comprises an installation box (1) with a protective door (4) connected to one side via a rotating shaft, a mounting groove (2) for auxiliary fixing is provided on one side of the installation box (1), a fan (9) for heat dissipation is fixedly installed on the top of the installation box (1), a slide groove (13) for auxiliary sliding is provided on both sides of the installation box (1), a main baffle (14) for blocking is clamped on the inner wall of the slide groove (13), and a sub-baffle (15) for auxiliary protection is connected to the bottom of the main baffle (14) via a rotating shaft; A guide groove (6) is provided at the top of the protective door (4); a tension spring (5) for pulling the protective door (4) is fixedly connected to one side of the protective door (4); a compression spring (7) for buffering is fixedly connected to the inner bottom wall of the guide groove (6); and a clamping block (8) for limiting is fixedly connected to the top of the compression spring (7). 2. A switch cabinet with a self-locking structure according to claim 1, characterized in that: a support leg (3) for support is fixedly connected to the bottom of the installation box (1), and a gasket for anti-slip is fixedly connected to the bottom of the support leg (3). 3. A switch cabinet with a self-locking structure according to claim 1, characterized in that: the inner wall of the installation box (1) is clamped with a support frame (10) for installation, and the inner wall of the support frame (10) is connected with a support plate (12) for adjustment through bolts. 4. A switch cabinet with a self-locking structure according to claim 3, characterized in that: a fixing rod for limiting is threadedly penetrated on the outer surface of the support plate (12), and a fixing hole (11) adapted to the fixing rod is opened on the inner wall of the support frame (10). 5. The switch cabinet with a self-locking structure according to claim 1, characterized in that: the outer surfaces of the main baffle (14) and the auxiliary baffle (15) are fixedly connected with a transparent plate (16) for observation. 6. A switch cabinet with a self-locking structure according to claim 1, characterized in that: a support rod (17) for support is inserted into the inner wall of the installation box (1), and a plurality of hooks (18) for fixing are sleeved on the outer surface of the support rod (17). 7. A switch cabinet with a self-locking structure according to claim 6, characterized in that a clamping ring (19) for limiting is fixedly connected to the top of the main baffle (14), and the inner side wall of the clamping ring (19) is clamped with the outer surface of the hook (18).