Direct current motor control circuit box

Abstract

The utility model discloses a direct current motor control circuit box, and belongs to the technical field of motor junction boxes. The power distribution box comprises a box body and a top cover, a threaded column is arranged in the box body, an insulating plate is installed on the threaded column through a screw, a wiring terminal strip is installed on the insulating plate through a screw, a wire inlet connector is installed on the front side of the box body in a threaded mode, a wire outlet connector is installed on the rear side of the box body in a threaded mode, and metal hoses are installed on the wire inlet connector and the wire outlet connector in a threaded mode. The front side and the rear side of the box body are provided with the joints with the threads, the joints are in threaded connection with the metal hose, one end of the metal hose is in threaded connection with the explosion-proof cable gland, a connecting cable is sleeved in the metal hose in a penetrating manner, and the incoming and outgoing cable is fixed through the explosion-proof cable gland, so that the sealing and explosion-proof effects are achieved; the metal hose is used for threading, so that abrasion of a connected cable can be avoided, the protection effect on the cable is improved, bending can be adjusted at will according to the use environment, and threading, installation and positioning are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor junction boxes, and in particular relates to a direct current motor control circuit box. Background Art

[0002] A DC motor is a rotating motor that can convert DC power into mechanical energy or mechanical energy into DC power. It is a motor that can realize the mutual conversion of DC power and mechanical energy. When connected, the attached wires and control devices will be uniformly packaged and protected using a wiring box, thereby providing protection for the external wires and control devices of the DC motor. However, the traditional wiring box inlet and outlet connectors all use conventional connector structures, which can easily cause damage to the cable, thereby shortening the service life of the cable body. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a DC motor control circuit box to solve the problems raised in the background technology.

[0004] To achieve the above technical objectives, the utility model provides the following technical solutions: a DC motor control circuit box, comprising a box body and a top cover, the box body is provided with a threaded column, an insulating plate is installed on the threaded column by screws, and a terminal block is installed on the insulating plate by screws, an incoming line connector is threadedly installed on the front side of the box body, and an outgoing line connector is threadedly installed on the rear side, the incoming line connector and the outgoing line connector are both threadedly installed with a metal hose, and an explosion-proof gland is threadedly installed on one end of the metal hose, the top cover is installed on the top of the box body by screws, and a sealing gasket is provided between the top cover and the box body.

[0005] Further preferably, in the DC motor control circuit box as described above, a mounting hole is provided on the insulating plate, and the mounting hole corresponds to the position of the threaded column.

[0006] Further preferably, as described above, the DC motor control circuit box has fixing holes in its box body, and the fixing holes are located at both ends thereof.

[0007] Further preferably, in the DC motor control circuit box as described above, a rectangular groove is provided on the top of the box body, and the sealing gasket is located in the rectangular groove.

[0008] Further preferably, in the DC motor control circuit box as described above, threaded holes are arranged around the box body, and stepped holes are arranged around the top cover, and the stepped holes correspond to the positions of the threaded holes.

[0009] Further preferably, in the DC motor control circuit box as described above, a clamping ring is provided on the top cover, and the inner diameter of the clamping ring is matched with the outer diameter of the metal hose.

[0010] Compared with the prior art, the DC motor control circuit box of the utility model has the following beneficial effects: the utility model is provided with threaded joints on the front and rear sides of the box body, the metal hose is threadedly connected through the joints, and the explosion-proof gland is threadedly connected to one end of the metal hose, the connecting cable is inserted into the metal hose, and the inlet and outlet cables are fixed by the explosion-proof gland to achieve sealing and explosion-proof effects, and the wear of the connecting cable can be avoided by threading the metal hose, thereby improving the protection effect of the cable, and the bending can be adjusted at will according to the use environment, which is convenient for threading, installation and positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a cross-sectional view of the utility model;

[0013] Figure 3 It is a front sectional view of the utility model.

[0014] In the figure: 1. Box body; 2. Top cover; 3. Threaded column; 4. Insulation plate; 5. Terminal block; 6. Inlet connector; 7. Outlet connector; 8. Metal hose; 9. Explosion-proof cable gland; 10. Sealing gasket; 11. Mounting hole; 12. Fixing hole; 13. Rectangular groove; 14. Threaded hole; 15. Step hole; 16. Snap ring. DETAILED DESCRIPTION

[0015] 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.

[0016] See also Figure 1-Figure 3The utility model discloses a DC motor control circuit box, which includes a box body 1 and a top cover 2. A threaded column 3 is arranged in the box body 1, an insulating plate 4 is installed on the threaded column 3 by screws, and a terminal block 5 is installed on the insulating plate 4 by screws. An incoming line connector 6 is threadedly installed on the front side of the box body 1, and an outgoing line connector 7 is threadedly installed on the rear side. The incoming line connector 6 and the outgoing line connector 7 are both threadedly installed with a metal hose 8, and one end of the metal hose 8 is threadedly installed with an explosion-proof gland 9. The front and rear sides of the box body 1 are provided with a belt A threaded joint is connected to a metal hose 8 through a joint thread, and an explosion-proof gland 9 is threadedly connected to one end of the metal hose 8. The connecting cable is inserted into the metal hose 8, and the inlet and outlet cables are fixed by the explosion-proof gland 9 to achieve sealing and explosion-proof effects. The metal hose 8 is used for threading to avoid wear of the connecting cable and improve the protection effect of the cable. The bending can be adjusted at will according to the use environment, which is convenient for threading, installation and positioning. The top cover 2 is installed on the top of the box body 1 by screws, and a sealing gasket 10 is provided between the top cover 2 and the box body 1.

[0017] Specifically, the insulating plate 4 is provided with a mounting hole 11, and the mounting hole 11 corresponds to the position of the threaded column 3. In this embodiment, the mounting hole 11 is an assembly structure, which is used to fix the insulating plate 4 on the threaded column 3 with a screw.

[0018] Specifically, the box body 1 is provided with fixing holes 12, and the fixing holes 12 are located at both ends thereof. In this embodiment, the fixing holes 12 are mounting structures, which are used to fix the circuit box on the DC motor with screws.

[0019] Specifically, a rectangular groove 13 is provided on the top of the box body 1, and the sealing gasket 10 is located in the rectangular groove 13. In this embodiment, the rectangular groove 13 is used for positioning and installing the sealing gasket 10, and the main function of the sealing gasket 10 is to fill or cover the gap between the top cover 2 and the box body 1 to prevent fluid, gas or dust from passing through, thereby achieving a sealing effect.

[0020] Specifically, threaded holes 14 are provided around the box body 1, and stepped holes 15 are provided around the top cover 2, and the stepped holes 15 correspond to the positions of the threaded holes 14. In this embodiment, the threaded holes 14 and the stepped holes 15 are both assembly structures, which are used to fix the top cover 2 on the box body 1 with screws.

[0021] Specifically, the top cover 2 is provided with a clamping ring 16, and the inner diameter of the clamping ring 16 is adapted to the outer diameter of the metal hose 8. In this embodiment, the clamping ring 16 is used to bind and fix the metal hose 8 to prevent the metal hose 8 from detaching or shifting, and can be used flexibly according to the use environment.

[0022] When the DC motor control circuit box is in use, threaded joints are provided on the front and rear sides of the box body 1, and the metal hose 8 is threadedly connected through the joints, and the explosion-proof gland 9 is threadedly connected to one end of the metal hose 8. The connecting cable is inserted into the metal hose 8, and the inlet and outlet cables are fixed by the explosion-proof gland 9 to achieve sealing and explosion-proof effects. The metal hose 8 is used to thread the wires to avoid wear of the connecting cables, improve the protection effect of the cables, and can be adjusted to bend at will according to the use environment, which is convenient for threading, installation and positioning.

[0023] 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

1. A DC motor control circuit box, comprising a box body (1) and a top cover (2), characterized in that: The box body (1) is provided with a threaded column (3), an insulating plate (4) is installed on the threaded column (3) by means of screws, and a terminal block (5) is installed on the insulating plate (4) by means of screws. An incoming wire connector (6) is installed on the front side of the box body (1) by means of screws, and an outgoing wire connector (7) is installed on the rear side by means of screws. The incoming wire connector (6) and the outgoing wire connector (7) are both installed by means of screws with a metal hose (8), and an explosion-proof gland (9) is installed by means of screws at one end of the metal hose (8). The top cover (2) is installed on the top of the box body (1) by means of screws, and a sealing gasket (10) is provided between the top cover (2) and the box body (1).

2. A DC motor control circuit box according to claim 1, characterized in that: The insulating plate (4) is provided with a mounting hole (11), and the mounting hole (11) corresponds to the position of the threaded column (3).

3. A DC motor control circuit box according to claim 1, characterized in that: The box body (1) is provided with fixing holes (12), and the fixing holes (12) are located at both ends thereof.

4. A DC motor control circuit box according to claim 1, characterized in that: The top of the box body (1) is provided with a rectangular groove (13), and the sealing gasket (10) is located in the rectangular groove (13).

5. A DC motor control circuit box according to claim 1, characterized in that: The box body (1) is provided with threaded holes (14) on its periphery, and the top cover (2) is provided with stepped holes (15) on its periphery, and the stepped holes (15) correspond to the positions of the threaded holes (14).

6. A DC motor control circuit box according to claim 1, characterized in that: The top cover (2) is provided with a clamping ring (16), and the inner diameter of the clamping ring (16) is matched with the outer diameter of the metal hose (8).

Images