Drawer type low-voltage switch cabinet

By using ball bearings in the drawer-type low-voltage switchgear to convert sliding friction into rolling friction, and combining the design of suction fans and exhaust fans, the problems of difficult drawer pulling and slow heat dissipation are solved, the smoothness of operation and heat dissipation efficiency are improved, and the service life of the equipment is extended.

CN223348241UActive Publication Date: 2025-09-16SHANGHAI GUOCHENG ENERGY SCI & TECH CO LTD
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Patent Information

Application Number
CN202422503954.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-09-16
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

After multiple pulls and draws, the drawer mechanism of the existing drawer-type low-voltage switchgear is prone to a sense of obstruction at the connection position of the switchgear, making the drawer difficult to pull out. At the same time, the heat inside the switchgear cannot be quickly discharged, affecting the operating effect and the service life of the electronic components.

Method used

Ball bearings are installed on the drawer's card plate as a contact mechanism to convert sliding friction into rolling friction. By opening heat dissipation grooves on the drawer bottom plate and combining the design of suction and exhaust fans, air circulation is achieved to accelerate heat dissipation.

Benefits of technology

The drawer's operation smoothness and heat dissipation performance are improved, the service life is extended, and the reliability and safety of the equipment are ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drawer type low-voltage switch cabinet which comprises a cabinet body, a drawer is installed in a movable groove in the side face of the cabinet body, a bottom plate is arranged below the drawer, a plurality of heat dissipation grooves are formed in the bottom plate, a partition plate is arranged on the upper side of the bottom plate, a supporting plate is arranged on the side face of the partition plate, and a clamping plate is arranged on the side face of the drawer. The clamping plate is movably clamped in a limiting groove formed in the inner wall of the cabinet body, a rotatable ball is installed in a containing groove in the outer side of the clamping plate, and a first channel and a second channel are vertically distributed on the side face of the cabinet body. The drawer is scientific and reasonable in structural design, the effect of converting sliding friction into rolling friction is achieved through contact between the balls and the inner wall of the cabinet body, the process of drawing the drawer is more labor-saving and convenient, the air velocity in the cabinet body is accelerated, and the heat dissipation performance of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinet equipment, in particular to a drawer-type low-voltage switch cabinet. Background Art

[0002] A drawer-type switchgear is an enclosed housing made of steel plates, with the electrical components of the incoming and outgoing line circuits installed in removable drawers, forming a functional unit capable of completing a certain type of power supply task. Drawer-type switchgear has high reliability, safety, and interchangeability, and is suitable for industrial and mining enterprises and high-rise buildings that require high power supply reliability, serving as a centralized power distribution center. Existing drawer-type low-voltage switchgear can easily experience a sense of resistance at the connection point of the drawer mechanism and the switchgear after repeated pulling and drawing, making the drawer difficult to pull and affecting the operation effect. In addition, the heat inside the switchgear cannot be quickly discharged, which may affect the internal electronic components. To this end, we propose a drawer-type low-voltage switchgear. Utility Model Content

[0003] The purpose of the present utility model is to provide a drawer-type low-voltage switch cabinet to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a drawer-type low-voltage switch cabinet, comprising a cabinet body, a drawer installed in a movable groove on the side of the cabinet body, a bottom plate provided under the drawer, a plurality of heat dissipation grooves provided on the bottom plate, a partition provided on the upper side of the bottom plate, and a support plate provided on the side of the partition, a card plate provided on the side of the drawer, the card plate movably clamped in a limiting groove provided on the inner wall of the cabinet body, a rotatable ball bearing installed in the accommodating groove on the outer side of the card plate, a first channel and a second channel distributed on the upper and lower sides of the cabinet body, and a suction fan and an exhaust fan are provided on the inner sides of the first channel and the second channel respectively.

[0005] In the above solution, casters are provided at the bottom of the cabinet.

[0006] In the above solution, a rainproof canopy is provided on the top of the cabinet.

[0007] In the above solution, a pull rod and an operation panel are provided on the front side of the drawer.

[0008] In the above solution, filters are provided in the first channel and the second channel.

[0009] In the above solution, the suction fan and the exhaust fan are connected to the power supply through wires.

[0010] In the above solution, the end of the ball is in contact with the inner wall of the limiting groove.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the drawer-type low-voltage switch cabinet has a simple and reasonable structural design and strong practicality. By installing multiple sets of ball bearings on the card plate at the end of the drawer as a contact mechanism, when the drawer is pulled out, the sliding friction is converted into rolling friction through the contact between the ball bearings and the inner wall of the cabinet, making the process of pulling out the drawer more labor-saving and convenient, and improving the smoothness of the operation. By opening a heat dissipation groove on the bottom plate of the drawer, and by setting a first channel, a suction fan, a second channel, an exhaust fan and other structures, the air flow enters the cabinet from the first channel, and then the air flow flows in the cabinet to take out the heat and is discharged from the second channel, thereby accelerating the air flow rate inside the cabinet and improving the heat dissipation performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic structural diagram of the utility model.

[0013] Figure 2 For this utility model Figure 1 Schematic diagram of the structure at point A in the middle.

[0014] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0015] In the figure: 1, cabinet 11, casters 12, rainproof canopy 13, movable groove 14, drawer 15, pull rod 16, operation panel 17, bottom plate 18, heat dissipation groove 19, partition 2, support plate 21, card plate 22, accommodating groove 23, ball bearing 24, limit groove 25, first channel 26, suction fan 27, second channel 28, exhaust fan. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See also Figure 1-3The utility model provides a technical solution: a drawer-type low-voltage switch cabinet, comprising a cabinet body 1, a drawer 14 is installed in a movable groove 13 on the side of the cabinet body 1, a bottom plate 17 is provided under the drawer 14, a plurality of heat dissipation grooves 18 are provided on the bottom plate 17, a partition 19 is provided on the upper side of the bottom plate 17, and a support plate 2 is provided on the side of the partition 19, the internal space of the drawer 14 is divided by the partition 19, and the support plate 2 is used to install equipment, a card plate 21 is provided on the side of the drawer 14, the card plate 21 is movably connected to the limit groove 24 opened on the inner wall of the cabinet body 1, a rotatable ball 23 is installed in the accommodating groove 22 outside the card plate 21, a first channel 25 and a second channel 27 are distributed on the upper and lower sides of the cabinet body 1, and a suction fan 26 and an exhaust fan 28 are provided on the inner sides of the first channel 25 and the second channel 27 respectively.

[0018] In the above solution, casters 11 are provided at the bottom of the cabinet 1. Specifically, the casters 11 are self-locking casters, which can facilitate the movement of the cabinet 1.

[0019] In the above solution, a rainproof canopy 12 is provided on the top of the cabinet 1. The design of the rainproof canopy 12 can provide overall protection for the cabinet 1.

[0020] In the above scheme, the front side of the drawer 14 is provided with a pull rod 15 and an operating panel 16. The drawer 14 can be easily pulled by the setting of the pull rod 15, and the electronic equipment installed in the drawer 14 can be controlled and operated by the operating panel 16.

[0021] In the above solution, filters are provided in the first channel 25 and the second channel 27. The filter can filter impurities and dust in the outside air, preventing dust from entering the cabinet with the airflow. By providing a heat dissipation slot 18 on the bottom plate 17 of the drawer 14, and by providing the first channel 25, the suction fan 26, the second channel 27, the exhaust fan 28 and other structures, airflow enters the cabinet 1 from the first channel 25, and then flows through the cabinet 1 to remove heat and is discharged from the second channel 27, thereby accelerating the air flow rate inside the cabinet 1 and improving the heat dissipation performance of the device.

[0022] In the above solution, the suction fan 26 and the exhaust fan 28 are connected to the power supply through wires.

[0023] In the above solution, the ends of the balls 23 are in contact with the inner wall of the limiting groove 24. By installing multiple sets of balls 23 on the clamping plate 21 at the end of the drawer 14 as a contact mechanism, when the drawer 14 is opened and closed, the balls 23 contact the inner wall of the cabinet, thereby converting sliding friction into rolling friction. This makes the drawer opening process more labor-saving and convenient, improves the smoothness of operation, and extends the service life of the drawer-type switch cabinet.

[0024] Working principle:

[0025] This type of drawer-type low-voltage switch cabinet has a rainproof canopy 12 designed to provide shade and rain protection for the cabinet body 1. The drawer 14 can be easily pulled by the setting of the pull rod 15. When the drawer 14 is pulled out, the contact between the ball 23 and the inner wall of the cabinet is realized to realize the effect of converting sliding friction into rolling friction, making the process of pulling out the drawer more labor-saving and convenient, and improving the smoothness of operation. In addition, by setting the first channel 25, the suction fan 26, the second channel 27, the exhaust fan 28 and other structures, the air flow enters the cabinet body 1 from the first channel 25, and then the air flow flows in the cabinet body 1 to take out the heat and is discharged from the second channel 27, which accelerates the air flow rate inside the cabinet body 1 and improves the heat dissipation performance of the device, thereby ensuring the use effect of the drawer-type low-voltage switch cabinet.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drawer-type low-voltage switch cabinet, comprising a cabinet body (1), characterized in that: A drawer (14) is installed in a movable groove (13) on the side of the cabinet (1), a bottom plate (17) is provided below the drawer (14), a plurality of heat dissipation grooves (18) are provided on the bottom plate (17), a partition (19) is provided on the upper side of the bottom plate (17), and a support plate (2) is provided on the side of the partition (19), a card plate (21) is provided on the side of the drawer (14), the card plate (21) is movably connected to a limiting groove (24) provided on the inner wall of the cabinet (1), a rotatable ball (23) is installed in a receiving groove (22) outside the card plate (21), a first channel (25) and a second channel (27) are distributed on the upper and lower sides of the side of the cabinet (1), and a suction fan (26) and an exhaust fan (28) are provided on the inner sides of the first channel (25) and the second channel (27) respectively.

2. The drawer-type low-voltage switchgear according to claim 1, characterized in that: Casters (11) are provided at the bottom of the cabinet (1).

3. The drawer-type low-voltage switch cabinet according to claim 1, characterized in that: A rainproof canopy (12) is provided on the top of the cabinet (1).

4. The drawer-type low-voltage switch cabinet according to claim 1, characterized in that: The front side of the drawer (14) is provided with a pull rod (15) and an operation panel (16).

5. The drawer-type low-voltage switch cabinet according to claim 1, characterized in that: Filters are provided in the first channel (25) and the second channel (27).

6. The drawer-type low-voltage switch cabinet according to claim 1, characterized in that: The suction fan (26) and the exhaust fan (28) are connected to a power source via wires.

7. The drawer-type low-voltage switch cabinet according to claim 1, characterized in that: The end of the ball (23) is in contact with the inner wall of the limiting groove (24).