Drawer propelling device of low-voltage power distribution cabinet
By installing the front frame and bracket outside the drawer of the low-voltage distribution cabinet, and using the drive motor and rack structure, the problem of inconvenient maintenance of the drawer propulsion device in a narrow space is solved, and convenient maintenance and repair is achieved.
Patent Information
- Application Number
- CN202422549536.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-10-22
AI Technical Summary
The existing low-voltage distribution cabinet drawer propulsion device is inconvenient to maintain and repair in a narrow space.
A low-voltage distribution cabinet drawer propulsion device is designed. By installing the front frame and bracket on the outside of the drawer, the drive motor and rack structures are used to realize the push and adjustment of the drawer, and combined with the battery compartment and switch power supply, it is convenient for maintenance and maintenance.
It facilitates maintenance and repair of low-voltage distribution cabinet drawers without interrupting the system operation, and improves operation flexibility and safety.
Smart Images

Figure CN223273741U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of propulsion devices, in particular to a propulsion device for a drawer of a low-voltage power distribution cabinet. Background Art
[0002] A low-voltage distribution cabinet drawer is a modular low-voltage switchgear consisting of a series of removable drawers, each typically containing one or more circuit breakers or other electrical components. This design allows operators to conveniently install, maintain, or replace equipment without interrupting overall system operation. Low-voltage distribution cabinet drawers are characterized by their high safety and flexibility, adapting to diverse electrical configurations and expansion requirements.
[0003] Conventional drawer propulsion devices are usually arranged inside a distribution cabinet. However, due to the small internal space of a low-voltage distribution cabinet, it is inconvenient to maintain and repair the drawer propulsion device. Therefore, a drawer propulsion device for a low-voltage distribution cabinet is proposed. Utility Model Content
[0004] (1) Technical problems solved
[0005] In view of the deficiencies in the prior art, the present invention provides a low-voltage distribution cabinet drawer propulsion device to solve the problems raised in the above background technology.
[0006] (2) Technical solution
[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a low-voltage distribution cabinet drawer propulsion device, comprising:
[0008] A front frame and a bracket, wherein both sides of the upper end of the front frame are provided with fixing plates, and both sides of the lower end of the bracket and the interior of the fixing plate are provided with perforations;
[0009] The drive motor is arranged inside the upper end of the bracket, and the drive motor is fixed to the bracket. A drive gear is installed at the output end of the drive motor. Transmission racks are provided on both sides of the upper end of the front frame, and the drive gear is meshed with the transmission rack. The front frame and the bracket are slidably connected through a slide rail.
[0010] Preferably, battery compartments are installed on both sides of the front end of the front frame, and the battery compartments are fixed to the front frame by screws, and the battery compartments are used to install power supply batteries.
[0011] Preferably, a switch is installed at a middle position of the front end of the front frame, and the switch is fixed to the front frame by screws.
[0012] Preferably, an adjusting screw is installed inside the lower end of the bracket, and the adjusting screw is connected to the bracket through threaded fitting.
[0013] Preferably, an inner frame is provided at the upper end of the adjusting screw, and the inner frame is slidably connected to the bracket, and rollers are rotatably installed inside the inner frame, and the rollers are used to support the drawer.
[0014] Preferably, an adjusting disk is installed at the lower end of the adjusting screw, and the adjusting disk is welded to the adjusting screw, and the adjusting disk is used to rotate the adjusting screw.
[0015] (3) Beneficial effects
[0016] Compared with the prior art, the present invention provides a low-voltage distribution cabinet drawer propulsion device, which has the following beneficial effects:
[0017] The utility model solves the problems raised in the background technology by installing the front frame of the propulsion device on the outside of the drawer and the bracket being installed on the outside of the distribution cabinet. The driving structure inside the bracket controls the front frame to drive the drawer to move. The external installation makes the propulsion device easy to maintain and repair. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0019] Figure 2 For the utility model Figure 1 A partial enlarged view of area A in the middle;
[0020] Figure 3 This is a three-dimensional diagram of the front frame of the present invention in an extended state.
[0021] In the figure: 1. Front frame; 2. Fixed plate; 3. Battery compartment; 4. Bracket; 5. Slide rail; 6. Drive motor; 7. Drive gear; 8. Transmission rack; 9. Inner frame; 10. Roller; 11. Adjustment screw; 12. Adjustment dial; 13. Switch. DETAILED DESCRIPTION
[0022] 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.
[0023] The utility model provides a technical solution, a low-voltage distribution cabinet drawer propulsion device, please refer to Figure 1 、 Figure 2 and Figure 3 ,include:
[0024] The front frame 1 and the bracket 4 are provided with fixing plates 2 on both sides of the upper end of the front frame 1, and the two sides of the lower end of the bracket 4 and the interior of the fixing plate 2 are provided with perforations;
[0025] The drive motor 6 is arranged inside the upper end of the bracket 4. The drive motor 6 is fixed to the bracket 4. The output end of the drive motor 6 is installed with a drive gear 7. Transmission racks 8 are provided on both sides of the upper end of the front frame 1, and the drive gear 7 is meshed with the transmission rack 8. The front frame 1 and the bracket 4 are slidably connected through the slide rail 5.
[0026] See also Figure 1 and Figure 3 Battery compartments 3 are installed on both sides of the front end of the front frame 1, and the battery compartments 3 are fixed to the front frame 1 by screws. The battery compartments 3 are used to install power supply batteries.
[0027] See also Figure 1 and Figure 3 A switch 13 is installed at the middle position of the front end of the front frame 1, and the switch 13 is fixed to the front frame 1 by screws.
[0028] See also Figure 1 and Figure 2 An adjusting screw 11 is installed inside the lower end of the bracket 4, and the adjusting screw 11 is connected to the bracket 4 through threaded connection.
[0029] See also Figure 1 and Figure 2 The upper end of the adjusting screw 11 is provided with an inner frame 9, and the inner frame 9 is slidably connected to the bracket 4. The inner frame 9 is rotatably installed with a roller 10, which is used to hold up the drawer.
[0030] See also Figure 1 An adjusting disk 12 is installed at the lower end of the adjusting screw 11 , and the adjusting disk 12 is welded to the adjusting screw 11 , and the adjusting disk 12 is used to rotate the adjusting screw 11 .
[0031] This solution: fix the fixing plate 2 of the front frame 1 to the front end of the low-voltage distribution cabinet drawer with bolts and screws, fix the two ends of the bracket 4 to one side of the lower end of the low-voltage distribution cabinet drawer, install the power supply battery into the battery compartment 3, press the switch 13 to start the drive motor 6, the drive gear 7 rotates, and the transmission rack 8 drives the front frame 1 to move under the drive of the drive gear 7, thereby opening the low-voltage distribution cabinet drawer, and rotating the adjusting screw 11 to control the lifting and lowering of the inner frame 9, so that the drawn drawer can be supported by the roller 10.
[0032] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0033] 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 low-voltage distribution cabinet drawer propulsion device, characterized in that: include: A front frame (1) and a bracket (4), wherein both sides of the upper end of the front frame (1) are provided with a fixing plate (2), and both sides of the lower end of the bracket (4) and the interior of the fixing plate (2) are provided with perforations; A drive motor (6) is arranged inside the upper end of the bracket (4), the drive motor (6) is fixed to the bracket (4), a drive gear (7) is installed at the output end of the drive motor (6), transmission racks (8) are provided on both sides of the upper end of the front frame (1), and the drive gear (7) is meshed and connected with the transmission rack (8), and the front frame (1) and the bracket (4) are slidably connected via a slide rail (5).
2. A low-voltage distribution cabinet drawer propulsion device according to claim 1, characterized in that: Battery compartments (3) are installed on both sides of the front end of the front frame (1), and the battery compartments (3) and the front frame (1) are fixed by screws.
3. A low-voltage distribution cabinet drawer propulsion device according to claim 1, characterized in that: A switch (13) is installed at the middle position of the front end of the front frame (1), and the switch (13) and the front frame (1) are fixed by screws.
4. A low-voltage distribution cabinet drawer propulsion device according to claim 1, characterized in that: An adjusting screw (11) is installed inside the lower end of the bracket (4), and the adjusting screw (11) is connected to the bracket (4) through threaded engagement.
5. A low-voltage distribution cabinet drawer propulsion device according to claim 4, characterized in that: An inner frame (9) is provided at the upper end of the adjusting screw (11), and the inner frame (9) is slidably connected to the bracket (4), and a roller (10) is rotatably installed inside the inner frame (9).
6. A low-voltage distribution cabinet drawer propulsion device according to claim 5, characterized in that: An adjusting disk (12) is installed at the lower end of the adjusting screw (11), and the adjusting disk (12) is welded to the adjusting screw (11).