CN219086923U

CN219086923U - DC brush motor

Info

Publication number: CN219086923U
Application number: CN202222565407.1U
Authority: CN
Inventors: 王福杰
Original assignee: Shandong Depuda Electric Motor Co ltd
Current assignee: Shandong Depuda Electric Motor Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-26
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a direct-current brush motor, which belongs to the technical field of motors and comprises a motor body, wherein a junction box is fixedly connected to the upper side of the motor body, a wiring end of the motor body is positioned in the junction box, a box cover is inserted into the upper side of the junction box, a pushing mechanism is fixedly connected to the outer side of the junction box, two ends of the pushing mechanism are fixedly connected with two sides of the box cover, a waterproof wiring sleeve is communicated with one side of the junction box, a cooling circular shell is fixedly connected to the outer side wall of the motor body, and a circulating water cooling mechanism is arranged in the cooling circular shell. According to the utility model, the box cover and the junction box can be driven to be abutted tightly by the pushing mechanism and the waterproof sealing ring, so that the sealing and closing are realized, the operation is simple, the labor is saved, the wiring efficiency is improved, the sealing performance is high, the waterproof performance is good, the heat dissipation effect on the motor body can be achieved by the arrangement of the circulating water cooling mechanism, and the heat dissipation protection property is improved.

Description

DC brush motor

Technical Field

The utility model relates to the technical field of motors, in particular to a direct current brush motor.

Background

The basic components of the brush direct current motor comprise a machine base, a stator, a rotor, an electric brush and a commutator, wherein the stator comprises a shell and an iron sample body for generating a main magnetic field, the rotor comprises a rotating shaft, a steel sheet and windings wound on the steel sheet, the commutator is sleeved at the input end of the rotating shaft, electric energy of a direct current power supply sequentially passes through the electric brush and the commutator to enter the windings in the rotor to generate armature current, and the magnetic field generated by the armature current interacts with the main magnetic field to generate electromagnetic torque, so that the motor rotates to drive a load.

When the existing brush direct current motor is used, the machine body is serious in heating, the self radiating effect is poor, the motor is easy to burn out after long-term uninterrupted use, and secondly, the existing brush direct current motor is generally provided with a junction box, however, the junction box is poor in waterproofness, the junction is easy to damp, the use safety is affected, and the box cover and the box body are fixed through bolts, so that the brush direct current motor is troublesome to install and detach and inconvenient to use. Accordingly, a dc brush motor is provided by those skilled in the art to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a direct current brush motor to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the direct current brush motor comprises a motor body, wherein a junction box is fixedly connected to the upper side of the motor body, a wiring end of the motor body is positioned in the junction box, a box cover is inserted into the upper side of the junction box, a pushing mechanism is fixedly connected to the outer side of the junction box, two ends of the pushing mechanism are fixedly connected with two sides of the box cover, a waterproof wiring sleeve is communicated with one side of the junction box, a cooling circular shell is fixedly connected to the outer side wall of the motor body, and a circulating water cooling mechanism is arranged in the cooling circular shell;

the pushing mechanism comprises a U-shaped shell which is fixed on the outer side of the junction box and is communicated with the junction box, one side of the U-shaped shell is inserted and is rotatably connected with a rotating rod, the rotating rod extends to the radial end of the U-shaped shell and is fixedly connected with two driving bevel gears which are reversely arranged, two screw threads are rotatably connected to the inner walls of the two transverse ends of the U-shaped shell through two bearing seats, driven bevel gears which are reversely arranged are fixedly connected to one ends of the two screw threads and are in one-to-one meshed connection with the two driving bevel gears, screw thread blocks are connected to the two screw threads, one sides of the two screw thread blocks, which are opposite, are fixedly connected with connecting blocks, and one ends of the connecting blocks are fixedly connected with two sides of the box cover respectively.

As still further aspects of the utility model: the circulating water cooling mechanism comprises a water tank fixed on one side of a cooling circular shell, a submersible pump is fixedly connected to the inner bottom wall of the water tank, a water guide pipe is arranged at the output end of the submersible pump in a communicating mode, one end of the water guide pipe extends into the cooling circular shell and is communicated with a cooling water pipe, a return pipe is arranged at one end of the cooling water pipe in a communicating mode, and one end of the return pipe is communicated with the upper side of the water tank.

As still further aspects of the utility model: wherein, the upside intercommunication of water tank is equipped with the water valve mouth, and the downside intercommunication of water tank is equipped with the drainage valve port.

As still further aspects of the utility model: wherein, the cooling water pipe is the setting of annular return bend formula structure.

As still further aspects of the utility model: the outer side wall of the rotating rod is fixedly connected with the inner walls of the through holes of the two drive bevel gears in a welding mode.

As still further aspects of the utility model: the inner wall of the junction box is fixedly connected with a waterproof sealing ring, and the outer side wall of the box cover is tightly propped against the waterproof sealing ring.

As still further aspects of the utility model: and one end of the rotating rod positioned outside the U-shaped shell is fixedly connected with a hand wheel.

As still further aspects of the utility model: the outer side wall of the cooling round shell is fixedly connected with radiating fins which are arranged in an equidistant surrounding mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. this direct current has brush motor, through setting up pushing mechanism and waterproof sealing circle, rotate the bull stick, drive two initiative bevel gears and rotate simultaneously, because two initiative bevel gears respectively with two driven bevel gears meshing, and then drive two lead screws and rotate simultaneously, at this moment, two screw blocks force synchronous displacement, and then promote the lid displacement, can open the terminal box, so as to carry out wiring operation, the circuit inserts the terminal box through waterproof junction sleeve and carries out the wiring, after connecing, the bull stick turns over, the same reason can drive lid and terminal box and support tightly, realize sealed closure, and is easy operation, use manpower sparingly, improve wiring efficiency, and the leakproofness is high, waterproof nature is good.

2. This direct current has brush motor, through setting up circulating water cooling mechanism, start immersible pump work, the water in the water tank is by the guiding tube leading-in cooling water pipe in the cooling circle shell, and cooling water pipe can carry out heat transfer absorption with the heat that the motor body produced to reach the heat dissipation function to the motor body, then, water by the back flow in to the water tank, but cyclic utilization saves the water resource.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a junction box according to the present utility model;

FIG. 3 is a schematic top view of a junction box of the present utility model;

FIG. 4 is a schematic view of a left-hand cross-sectional structure of a cooling dome in accordance with the present utility model.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. a motor body; 2. a junction box; 3. a box cover; 4. waterproof wire sleeve; 5. cooling the round shell; 6. a U-shaped shell; 7. a rotating rod; 8. a drive bevel gear; 9. a screw rod; 10. a driven bevel gear; 11. a screw block; 12. connecting blocks; 13. a water tank; 14. submersible pump; 15. a water conduit; 16. a cooling water pipe; 17. a return pipe; 18. a waterproof sealing ring; 19. a hand wheel; 20. and a heat radiating fin.

Detailed Description

Referring to fig. 1-4, in the embodiment of the present utility model, a dc brush motor includes a motor body 1, a junction box 2 is fixedly connected to an upper side of the motor body 1, a terminal of the motor body 1 is located in the junction box 2, a box cover 3 is inserted to an upper side of the junction box 2, a pushing mechanism is fixedly connected to an outer side of the junction box 2, two ends of the pushing mechanism are fixedly connected to two sides of the box cover 3, a waterproof junction sleeve 4 is communicated to one side of the junction box 2, a cooling round shell 5 is fixedly connected to an outer side wall of the motor body 1, and a circulating water cooling mechanism is arranged in the cooling round shell 5;

the pushing mechanism comprises a U-shaped shell 6 fixed on the outer side of the junction box 2 and communicated with the U-shaped shell, one side of the U-shaped shell 6 is inserted and is rotationally connected with a rotating rod 7, the rotating rod 7 extends into the radial end of the U-shaped shell 6 and is fixedly connected with two driving bevel gears 8,U which are oppositely arranged, two screw rods 9 which are oppositely arranged are rotationally connected through two bearing seats on the inner walls of the two transverse ends of the driving bevel gears 8,U, one ends of the two screw rods 9 are fixedly connected with driven bevel gears 10 which are in one-to-one meshed connection with the two driving bevel gears 8, the two screw rods 9 are connected with threaded blocks 11 in a threaded manner, one end of each of the two screw rods 9 is fixedly connected with a connecting block 12, one end of each of the two connecting blocks 12 is fixedly connected with two sides of a box cover 3, the rotating rod 7 is rotated to drive the two driving bevel gears 8 to rotate simultaneously, the two driving bevel gears 8 are meshed with the two driven bevel gears 10 respectively, the two screw rods 9 are driven to rotate simultaneously, the two screw rods 9 are in threaded connection with the threaded blocks 11, the two threaded blocks 11 are forced to synchronously displace, and the box cover 3 displaces, so that the junction box 2 can be opened, the junction box 2 can be conveniently sealed, the junction box can be conveniently and the junction box can be tightly sealed by the junction box is well and sealed by the junction box is well by the junction box and can be conveniently and sealed by the junction box.

As shown in fig. 4: the circulating water cooling mechanism comprises a water tank 13 fixed on one side of a cooling circular shell 5, a submersible pump 14 is fixedly connected to the inner bottom wall of the water tank 13, a water guide pipe 15 is arranged at the output end of the submersible pump 14 in a communicating manner, one end of the water guide pipe 15 extends into the cooling circular shell 5 and is provided with a cooling water pipe 16 in a communicating manner, one end of the cooling water pipe 16 is provided with a return pipe 17 in a communicating manner, one end of the return pipe 17 is communicated with the upper side of the water tank 13, when the motor body 1 is required to be cooled, the submersible pump 14 is started to work, water in the water tank 13 is led into the cooling water pipe 16 in the cooling circular shell 5 through the water guide pipe 15, the cooling water pipe 16 can exchange heat and absorb heat generated by the motor body 1, so that the heat dissipation function of the motor body 1 is achieved, then the water can be recycled to the water tank 13, and water resources are saved.

As shown in fig. 4: the upper side of the water tank 13 is communicated with a water adding valve port, and the lower side of the water tank 13 is communicated with a water draining valve port for changing water.

As shown in fig. 4: the cooling water pipe 16 is arranged in an annular bent pipe type structure, and has good heat dissipation effect.

As shown in fig. 3: the outer side wall of the rotating rod 7 is fixedly connected with the inner walls of the through holes of the two drive bevel gears 8 in a welding mode, and the connection is firm.

As shown in fig. 3: the inner wall fixedly connected with waterproof sealing circle 18 of terminal box 2, and the lateral wall of lid 3 supports tightly setting with waterproof sealing circle 18, improves sealed waterproof nature.

As shown in fig. 3: one end of the rotating rod 7 positioned on the outer side of the U-shaped shell 6 is fixedly connected with a hand wheel 19, so that the rotating rod 7 can be conveniently rotated.

As shown in fig. 4: the outer side wall of the cooling round shell 5 is fixedly connected with radiating fins 20 which are arranged in an equidistant surrounding mode, and therefore radiating effect is improved.

Working principle: when the device needs to be connected, the rotating rod 7 is rotated to drive the two drive bevel gears 8 to rotate simultaneously, and as the two drive bevel gears 8 are respectively meshed with the two driven bevel gears 10 to drive the two screw rods 9 to rotate simultaneously, the screw rods 9 are in threaded connection with the threaded blocks 11, at the moment, the two threaded blocks 11 are forced to synchronously displace to push the box cover 3 to displace, so that the junction box 2 can be opened for connection operation, a circuit is inserted into the junction box 2 through the waterproof junction sleeve 4 for connection, after connection is completed, the rotating rod 7 is turned over, the box cover 3 can be driven to be abutted against the junction box 2 in the same way, sealing and closing are realized, the operation is simple, labor is saved, the connection efficiency is improved, the sealing performance is high, and the waterproof performance is good;

secondly, when the motor body 1 needs to be radiated, the submersible pump 14 is started to work, water in the water tank 13 is led into the cooling water pipe 16 in the cooling circular shell 5 through the water guide pipe 15, the cooling water pipe 16 can exchange heat and absorb heat generated by the motor body 1, so that the radiating function of the motor body 1 is achieved, and then, the water flows back to the water tank 13 through the return pipe 17, so that the water can be recycled, and water resources are saved.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a direct current has brush motor, includes motor body (1), its characterized in that, the upside fixedly connected with terminal box (2) of motor body (1), and the wiring end of motor body (1) is arranged in terminal box (2), the upside of terminal box (2) is inserted and is equipped with lid (3), the outside fixedly connected with pushing mechanism of terminal box (2), and pushing mechanism's both ends and the both sides fixed connection of lid (3), one side intercommunication of terminal box (2) is equipped with waterproof junction sleeve (4), the lateral wall fixedly connected with cooling circle shell (5) of motor body (1), be equipped with circulation water cooling mechanism in the cooling circle shell (5);

the pushing mechanism comprises a U-shaped shell (6) which is fixed on the outer side of the junction box (2) and is communicated with the junction box, a rotating rod (7) is inserted into one side of the U-shaped shell (6) and is connected with the U-shaped shell in a rotating mode, the rotating rod (7) extends to the radial end of the U-shaped shell (6) and is fixedly connected with two driving bevel gears (8) which are reversely arranged, two screw threads (9) which are reversely arranged are rotatably connected to the inner walls of the two transverse ends of the U-shaped shell (6) through two bearing seats, one ends of the two screw threads (9) are fixedly connected with driven bevel gears (10) which are in one-to-one meshed connection with the two driving bevel gears (8), threaded blocks (11) are fixedly connected to one sides of the two threaded blocks (11) which are opposite, and one ends of the two connecting blocks (12) are fixedly connected with two sides of the box cover (3) respectively.

2. The direct current brush motor according to claim 1, wherein the circulating water cooling mechanism comprises a water tank (13) fixed on one side of the cooling circular shell (5), a submersible pump (14) is fixedly connected to the inner bottom wall of the water tank (13), a water guide pipe (15) is arranged at the output end of the submersible pump (14) in a communicating mode, one end of the water guide pipe (15) extends into the cooling circular shell (5) and is communicated with a cooling water pipe (16), a return pipe (17) is arranged at one end of the cooling water pipe (16) in a communicating mode, and one end of the return pipe (17) is communicated with the upper side of the water tank (13).

3. A direct current brush motor according to claim 2, characterized in that the upper side of the water tank (13) is provided with a water filling valve opening and the lower side of the water tank (13) is provided with a water draining valve opening.

4. A direct current brush motor according to claim 2, characterized in that the cooling water pipe (16) is arranged in a ring-like bent pipe structure.

5. A direct current brush motor according to claim 1, characterized in that the outer side wall of the rotating rod (7) is fixedly connected with the inner walls of the through holes of the two drive bevel gears (8) by means of welding.

6. A direct current brush motor according to claim 1, characterized in that the inner wall of the junction box (2) is fixedly connected with a waterproof sealing ring (18), and the outer side wall of the box cover (3) is tightly abutted with the waterproof sealing ring (18).

7. A direct current brush motor according to claim 1, characterized in that one end of the rotating rod (7) located outside the U-shaped housing (6) is fixedly connected with a hand wheel (19).

8. A direct current brushed motor according to claim 1, characterized in that the outer side wall of the cooling circular shell (5) is fixedly connected with equally spaced circumferentially arranged cooling fins (20).