Direct current speed regulation cabinet

By designing a DC speed control cabinet with a "匚"-shaped cable tray and a removable cover plate, the problem of difficult wire threading in the existing technology is solved, realizing convenient wire installation and maintenance, and improving the installation and maintenance efficiency of the DC speed control cabinet.

CN223899141UActive Publication Date: 2026-02-10XIANGYANG KEYUAN ELECTROMECHANICAL TECH CO LTD
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Patent Information

Application Number
CN202520080332.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-02-10
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

The existing cable trays in DC speed control cabinets are not convenient for wires to be threaded through, especially when multiple components are connected, resulting in low installation and maintenance efficiency.

Method used

Design a DC speed control cabinet including a "匚"-shaped cable tray. The cable tray consists of a first body and a cover plate. The first body has grid holes on both sides. The length direction of the grid holes is perpendicular to the length of the body and gradually increases. The wires can be inserted into the grid holes. The cover plate is detachable and can be fixed by connecting plates and connecting holes. The support plate supports the body to adjust the width.

Benefits of technology

It improves the ease of wiring and installation/maintenance efficiency within the cabinet, is simple to operate, is suitable for wires of different diameters, and enhances the ease of installation and maintenance of DC speed control cabinets.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223899141U_ABST
    Figure CN223899141U_ABST
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Abstract

The utility model relates to the technical field, in particular to a direct current speed regulation cabinet, which comprises a cabinet body, a wiring channel is arranged in the cabinet body, the wiring channel comprises a [-shaped first body and a sealing plate, the sealing plate is positioned on the opening side of the first body, the sealing plate is detachably connected with the first body, and the first body is fixedly connected with the cabinet body. Grating holes are formed in the two opposite side faces of the first body, the length direction of the grating holes is perpendicular to the length direction of the first body, and one side of each grating hole extends to the opening side of the first body. According to the wiring groove, the first body in the shape of the right square bracket is arranged, and the grating holes communicated with the opening side of the first body are formed in the two sides of the first body, so that wires can be conveniently clamped into the grating holes, threading of the wires in the wiring groove is achieved, and then the opening side of the first body is covered with the sealing plate. The direct current speed regulation cabinet is reasonable in design and convenient to operate, facilitates wiring of wires in the cabinet body, and facilitates improvement of installation of the direct current speed regulation cabinet and maintenance of lines.
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Description

Technical Field

[0001] This utility model relates to the field of power distribution cabinet technology, and in particular to a DC speed control cabinet. Background Technology

[0002] A DC speed control cabinet is a device for regulating the speed of a DC motor. It connects to an AC power source at the top and to the DC motor at the bottom. The cabinet converts the AC power into two DC outputs: one for the DC motor's excitation (stator) and the other for the motor's armature (rotor). The cabinet regulates the DC motor's speed by controlling the armature's DC voltage.

[0003] DC speed control cabinets house numerous components, resulting in a large number of wires. To facilitate wire management, cable trays are typically installed within the cabinet. Existing cable trays are usually integral square tubes with perforated grilles on opposite sides, allowing wires to pass through and connect components vertically or horizontally. However, these existing cable trays are inconvenient for wire routing, especially when many components are connected by wires, thus reducing the efficiency of DC speed control cabinet installation and maintenance. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by providing a DC speed control cabinet that is rationally designed, easy to use, and solves the problem of low installation and maintenance efficiency of existing DC speed control cabinets.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a DC speed control cabinet, including a cabinet body, the cabinet body is provided with a plurality of cable trays, the cable trays include a first body in the shape of "U" and a sealing plate, the sealing plate is located on the opening side of the first body, the sealing plate is detachably connected to the first body, and the two opposite sides of the first body are provided with grid holes, the length direction of the grid holes is perpendicular to the length direction of the first body, and one side of the grid holes extends to the opening side of the first body.

[0006] Furthermore, the grille opening is trapezoidal, and the width of the grille opening gradually increases from the fixed side to the open side of the first body.

[0007] Furthermore, a connecting piece is provided on the opening side of the first body, and the connecting piece connects the opposite sides of the first body.

[0008] Furthermore, the connecting piece is provided with a first connecting hole, and the sealing plate is provided with a second connecting hole corresponding to the first connecting hole.

[0009] Furthermore, the first body includes an upper body and a lower body, and the upper body and the lower body are provided with a third connecting hole, wherein the third connecting hole of the upper body and / or the lower body is oval in shape.

[0010] Furthermore, the first body is connected to the cabinet via a connecting seat, and a support plate for supporting the first body is provided below the connecting seat.

[0011] The beneficial effects of this utility model are as follows: A DC speed control cabinet includes a cabinet body, inside which a cable tray is provided. The cable tray includes a "U"-shaped first body and a sealing plate. The sealing plate is located on the open side of the first body and is detachably connected to the first body. Grille holes are provided on two opposite sides of the first body, with the length direction of the grille holes perpendicular to the length direction of the first body. One side of the grille holes extends to the open side of the first body. By setting the "U"-shaped first body and providing grille holes on both sides of the first body that communicate with the open side of the first body, it is convenient for wires to be inserted into the grille holes, enabling the wires to be threaded through the cable tray. Then, the sealing plate covers the open side of the first body. This utility model has a reasonable design, is easy to operate, facilitates the routing of wires inside the cabinet, and is beneficial to improving the installation of the DC speed control cabinet and the maintenance of the circuit. Attached Figure Description

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

[0013] Figure 2 This is a structural schematic diagram of one implementation of a cable tray.

[0014] Figure 3 yes Figure 2 The main view.

[0015] Figure 4 yes Figure 2 Top view.

[0016] Figure 5 This is a structural schematic diagram of another implementation of the cable tray.

[0017] Figure 6 yes Figure 5 The main view.

[0018] Figure 7 This is a partial structural schematic diagram of the present invention.

[0019] Explanation of reference numerals in the attached figures:

[0020] 1—Cabinet body, 2—Cable tray, 3—First body, 31—Grate hole, 32—Connecting piece, 321—First connecting hole, 33—Upper body, 34—Lower body, 4—Sealing plate, 41—Second connecting hole, 5—Third connecting hole, 6—Connecting seat, 61—Support piece. Detailed Implementation

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the scope of the present invention.

[0022] It should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0024] like Figures 1-7As shown in the figure, a DC speed control cabinet in this embodiment includes a cabinet body 1. Inside the cabinet body 1, transverse and longitudinal wire grooves 2 are provided. The wire groove 2 includes a "C"-shaped first body 3 and a sealing plate 4. The sealing plate 4 is located on the opening side of the first body 3, and the sealing plate 4 is detachably connected to the first body 3. On two opposite side surfaces of the first body 3, grid holes 31 are provided. The grid holes 31 are arranged along the length direction of the first body 3, and the length direction of the grid holes 31 is perpendicular to the length direction of the first body 3. One side of the grid holes 31 extends to the opening side of the first body 3, that is, the grid holes 31 communicate with the opening side of the first body 3. During installation, the opening side of the "C"-shaped structure of the first body 3 faces the outside, and the side opposite to the opening is connected to the cabinet body 1. When wiring, for the longitudinal wire groove 2, the wire can be routed along the inside of the first body 3. When the wire needs to be connected to the components on the left and right of the longitudinal wire groove 2, the wire can be inserted into the grid holes 31 from the opening side of the first body 3 along the length direction of the grid holes 31 to achieve wire threading of the wire groove 2. For the transverse wire groove 2, the wire can be inserted into the grid holes 31 on the two side surfaces of the first body 3 from the opening side of the first body 3 along the length direction of the grid holes 31 to achieve connection of the upper and lower components. Compared with the prior art, the design of the present utility model is reasonable and the operation is convenient, greatly improving the convenience of wiring inside the cabinet body 1.

[0025] As Figure 4 shown, the grid holes 31 are trapezoidal. Along the fixed side to the opening side of the first body 3, the width of the grid holes 31 gradually increases, which can accommodate wires of different diameters. Moreover, as the width of the grid holes 31 gradually increases, when the wire is pushed along the length direction of the grid holes 31 towards the fixed side of the first body 3, it is beneficial to hold the wire, facilitating the installation operation.

[0026] As Figure 3 and Figure 6 shown, a connecting piece 32 is provided on the opening side of the first body 3. The connecting piece 32 connects the two opposite sides of the first body 3, and the connecting piece 32 is fixedly connected or / and movably connected to the first body 3.

[0027] As Figure 2 , 3 , 4 and 6 shown, a first connection hole 321 is provided on the connecting piece 32, and the sealing plate 4 is provided with a second connection hole 41. The sealing plate 4 is connected to the first body 3 through screws, the first connection hole 321 and the second connection hole 41. Preferably, the first connection hole 321 is a threaded hole.

[0028] As Figure 5 and 6As shown, the first body 3 includes an upper body 33 and a lower body 34. The upper body 33 and the lower body 34 are provided with third connecting holes 5. The upper body 33 and the lower body 34 are connected to the cabinet 1 or a connecting seat 6 on the cabinet 1 through these third connecting holes 5. The third connecting holes 5 of the upper body 33 and / or the lower body 34 are oval-shaped, facilitating adjustment of the distance between the upper body 33 and the lower body 34, thus allowing for adjustable width of the first body 3. In this configuration, one end of the connecting piece 32 is fixedly connected to the first body 3, and the other end is inserted into the first body 3.

[0029] like Figure 7 As shown, the first body 3 is connected to the cabinet 1 via a connecting seat 6. A support plate 61 for supporting the first body 3 is provided below the connecting seat 6. During installation, the support plate 61 can support the lower body 34 of the first body 3, which facilitates the adjustment and installation of the width of the first body 3.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. A DC speed control cabinet, characterized in that: It includes a cabinet body (1), and several wire grooves (2) are arranged inside the cabinet body (1). The wire groove (2) includes a "U"-shaped first body (3) and a sealing plate (4). The sealing plate (4) is located on the opening side of the first body (3), and the sealing plate (4) is detachably connected to the first body (3). Two opposite side surfaces of the first body (3) are provided with grid holes (31). The length direction of the grid holes (31) is perpendicular to the length direction of the first body (3), and one side of the grid holes (31) extends to the opening side of the first body (3).

2. The DC speed control cabinet according to claim 1, characterized in that: The grid holes (31) are trapezoidal. Along the fixed side to the opening side of the first body (3), the width of the grid holes (31) gradually increases.

3. The DC speed control cabinet according to claim 1, characterized in that: A connecting piece (32) is arranged on the opening side of the first body (3), and the connecting piece (32) connects two opposite sides of the first body (3).

4. A DC speed control cabinet according to claim 3, characterized in that: A first connecting hole (321) is arranged on the connecting piece (32), and a second connecting hole (41) corresponding to the first connecting hole (321) is arranged on the sealing plate (4).

5. A DC speed control cabinet according to claim 1, characterized in that: The first body (3) includes an upper body (33) and a lower body (34). Third connecting holes (5) are arranged on the upper body (33) and the lower body (34), and the third connecting holes (5) on the upper body (33) or / and the lower body (34) are oval.

6. A DC speed control cabinet according to claim 1, characterized in that: The first body (3) is connected to the cabinet body (1) through a connecting seat (6), and a supporting piece (61) for supporting the first body (3) is arranged below the connecting seat (6).