CN219107182U - DC motor with cooling shell structure - Google Patents

Abstract

The utility model discloses a direct current motor with a cooling casing structure, relates to the technical field of direct current motors, and aims to solve the problem that the existing direct current motor cooling assembly and the motor are of a fixed structure, which makes subsequent disassembly and maintenance inconvenient. A positioning seat, which is arranged above the main body of the DC motor; a gear, which is installed inside the positioning seat, and the rear end and the front end of the gear are provided with racks, and the racks at the rear end and the front end respectively extend To the outside of both sides of the outer wall of the positioning seat; the telescopic guide post is installed on the lower end of one side of the positioning seat and the upper end of the other side, and a limit block is installed on one end of the telescopic guide post; the cooling casing is arranged on On both sides of the main body of the DC motor, the cooling casing is connected with the rack and the telescopic guide column through a connecting column, an isolation net is installed on the outer wall of the cooling casing, and a screw rod is installed on the upper end of the gear. A turntable is installed on the upper end of the screw mandrel, and a nut is installed at the joint between the screw mandrel and the positioning seat.

Description

A kind of DC motor with cooling casing structure

technical field

The utility model relates to the technical field of DC motors, in particular to a DC motor with a cooling casing structure.

Background technique

A DC motor is a rotating electrical machine that can convert DC electrical energy into mechanical energy or convert mechanical energy into DC electrical energy. It is a motor that can realize mutual conversion of DC electric energy and mechanical energy. When it operates as a motor, it is a DC motor, which converts electrical energy into mechanical energy; when it operates as a generator, it is a DC generator, which converts mechanical energy into electrical energy. The structure of the DC motor should be composed of two parts: the stator and the rotor. The stationary part of the DC motor is called the stator. The main function of the stator is to generate a magnetic field. It is composed of the base, the main magnetic pole, the commutation pole, the end cover, the bearing and the brush device, etc. The part that rotates during operation is called the stator. rotor.

The DC motor will generate a large amount of heat energy during operation. If it is not dissipated in time, it will easily cause damage to the internal parts. Therefore, it is necessary to cool down the DC motor through a cooling mechanism. For example, a DC motor heat dissipation structure is mentioned in the application number CN214412521U. Including a housing, the top of the housing is equipped with an upper cover, and the bottom of the housing is equipped with a bottom cover. Plate, threaded rod, lock nut, heat conduction layer, heat sink, ventilation hole, DC motor body, motor shaft, fan assembly, drive motor, drive shaft, fan blade, first ventilation slot, second ventilation slot, ventilation opening and The filter screens cooperate with each other, the heat generated by the main body of the DC motor during operation is transmitted to the heat sink through the heat conduction layer, and the driving motor drives the fan blades to rotate through the drive shaft to form air circulation, and the flowing air takes away the heat on the heat sink. The port discharges to the outside of the DC motor body.

However, the existing DC motor cooling assembly and motor are of a fixed structure, which makes subsequent disassembly and maintenance inconvenient; therefore, it does not meet the existing needs, and we propose a DC motor with a cooling casing structure.

Utility model content

The purpose of this utility model is to provide a DC motor with a cooling casing structure to solve the problem that the existing DC motor cooling assembly and the motor are of a fixed structure, which makes subsequent disassembly and maintenance inconvenient.

In order to achieve the above purpose, the utility model provides the following technical solutions: a DC motor with a cooling casing structure, including a DC motor main body;

Also includes:

A positioning seat, which is arranged above the main body of the DC motor;

A gear, which is installed inside the positioning seat, the rear end and the front end of the gear are provided with racks, and the racks at the rear end and the front end respectively extend to the outside of both sides of the outer wall of the positioning seat;

A telescopic guide post is installed on the lower end of one side of the positioning seat and the upper end of the other side, and a limit block is installed at one end of the telescopic guide post;

Cooling casing, which is arranged on both sides of the main body of the DC motor, the cooling casing is connected with the rack and the telescopic guide column through a connecting column, and an isolation net is installed on the outer wall of the cooling casing;

The positioning seat is adsorbed and fixed on the upper end of the main body of the DC motor through a rubber suction cup, and then the turntable is rotated to drive the gear at one end of the screw to rotate, which is driven by the rack at the front end and the rear end of the gear to adjust the distance between the cooling casings on both sides so that it can pack Clamped on both sides of the DC motor, after the spacing is adjusted, the screw rod can be locked and fixed by the nut.

Preferably, a screw rod is installed on the upper end of the gear, a turntable is installed on the upper end of the screw rod, and a nut is installed at the connection between the screw rod and the positioning seat.

Preferably, a heat dissipation fan is installed inside the cooling cabinet, and a semiconductor refrigerator is installed inside the heat dissipation fan. After the semiconductor refrigerator is powered on, the internal energy near the upper contact decreases, the temperature decreases, and it absorbs heat to the outside. , resulting in a cold end, while the other end increases internal energy, increases in temperature, and releases heat to the environment, resulting in a hot end.

Preferably, the outer wall of the semiconductor refrigerator is provided with thermally conductive silica gel, which can improve the heat absorption efficiency of the cold end of the semiconductor refrigerator.

Preferably, a heat conduction copper sheet is provided on the inner wall of the semiconductor refrigerator, fins are provided on the outer wall of the heat conduction copper sheet, and several fins are provided, and the heat conduction copper sheet is located at the hot end of the semiconductor refrigerator, which can be Quickly absorb the heat generated by the hot end, and rely on several fins on the back to increase the contact area with the air.

Preferably, the lower surface of the positioning seat is provided with an inner groove, and a rubber suction cup is installed inside the inner groove.

Compared with the prior art, the beneficial effects of the utility model are:

1. The cooling casing and the main body of the DC motor of the utility model are separated structures. During installation, the positioning seat is adsorbed and fixed on the upper end of the main body of the DC motor through a rubber suction cup, and then the turntable is rotated to drive the gear at one end of the screw to rotate. and the rack drive at the rear end to adjust the distance between the cooling casings on both sides so that it can be clamped on both sides of the DC motor. After the distance is adjusted, the screw rod can be locked and fixed by the nut. Adjustable, so it can be applied to DC motors of different specifications. It has high versatility and is fixed by clamping. It is easy to disassemble and assemble. It solves the problem that the existing DC motor cooling components and motors are fixed structures, which makes subsequent disassembly and maintenance inconvenient. The problem.

2. The cooling casing of the utility model adopts a semiconductor refrigerator to dissipate heat. After the semiconductor refrigerator is powered on, the internal energy near the upper contact decreases, the temperature decreases, and it absorbs heat to the outside to form a cold end. The cold end can be passed through heat conduction The silica gel absorbs the heat generated by the motor, while the other end increases the internal energy, the temperature rises, and releases heat to the environment to generate a hot end, which conducts heat to the heat-conducting copper sheet, and relies on several fins on the back of the heat-conducting copper sheet to improve The area in contact with the air cooperates with the heat dissipation fan to discharge heat, and the heat dissipation and cooling effect is high.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the internal structure of the positioning seat of the present utility model;

Fig. 3 is a structural schematic diagram of the bottom surface of the positioning seat of the present invention;

Fig. 4 is a schematic diagram of the internal structure of the cooling cabinet of the present invention;

In the figure: 1. Main body of DC motor; 2. Cooling casing; 3. Isolation net; 4. Positioning seat; 5. Nut; 6. Screw rod; 7. Turntable; , connecting column; 11, limit block; 12, gear; 13, inner groove; 14, rubber suction cup; 15, cooling fan; 16, semiconductor refrigerator; 17, thermal silica gel; 18, thermal copper sheet; piece.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Please refer to Figures 1-4, an embodiment provided by the utility model: a DC motor with a cooling casing structure, including a DC motor body 1;

Also includes:

The positioning seat 4 is arranged on the top of the main body 1 of the DC motor;

The gear 12 is installed inside the positioning seat 4, the rear end and the front end of the gear 12 are provided with a rack 9, and the racks 9 at the rear end and the front end respectively extend to the outside on both sides of the outer wall of the positioning seat 4;

Telescopic guide post 8, which is installed on the lower end on one side of the positioning seat 4 and the upper end on the other side, and a limit block 11 is installed on one end of the telescopic guide post 8;

The cooling casing 2 is arranged on both sides of the DC motor main body 1. The cooling casing 2 is connected with the rack 9 and the telescopic guide column 8 through the connecting column 10. The outer wall of the cooling casing 2 is equipped with an isolation net 3, the isolation net 3 It can prevent large particles of impurities from entering the cooling casing 2, which will affect the heat dissipation effect;

When in use, the cooling casing absorbs and fixes the positioning seat 4 part on the upper end of the DC motor main body 1 through the rubber suction cup 14, and then rotates the turntable 7 to drive the gear 12 at one end of the screw rod 6 to rotate, and the gear rack at the front end and the rear end of the gear 12 9 Transmission, adjust the distance between the cooling casings 2 on both sides, so that it can be clamped on both sides of the DC motor. After the distance is adjusted, the screw rod 6 is locked and fixed by the nut 5, which is convenient for disassembly and assembly, and has high flexibility.

Please refer to Fig. 1 and Fig. 2, screw mandrel 6 is installed on the upper end of gear 12, and turntable 7 is installed on the upper end of screw mandrel 6, and nut 5 is installed at the junction of screw mandrel 6 and positioning seat 4, and turning turntable 7 can drive screw mandrel 6. The gear 12 at one end rotates and is transmitted with the rack 9 at the front and rear ends of the gear 12. Adjust the distance between the cooling casings 2 on both sides so that it can be clamped on both sides of the DC motor to dissipate heat from the motor. After the distance is adjusted , the threaded mandrel 6 can be locked and fixed by the nut 5 .

Please refer to Fig. 4, cooling fan 15 is installed in the inside of cooling cabinet 2, and semiconductor cooler 16 is installed on the inside of cooling fan 15, and cooling fan 15 can discharge the heat that semiconductor cooler 16 dissipates quickly, guarantees heat dissipation effect, semiconductor After the refrigerator 16 is powered on, the internal energy near the upper contact decreases, the temperature decreases, and it absorbs heat to the outside to generate a cold end, while the other end increases the internal energy, increases the temperature, and releases heat to the environment to generate a hot end.

Please refer to FIG. 4 , the outer wall of the semiconductor cooler 16 is provided with a thermally conductive silica gel 17 , and the thermally conductive silica gel 17 is located at the cold end of the semiconductor cooler 16 , which facilitates the semiconductor cooler 16 to quickly absorb the heat generated by the DC motor.

Please refer to Fig. 4, the inner wall of semiconductor refrigerator 16 is provided with heat conduction copper sheet 18, and the outer wall of heat conduction copper sheet 18 is provided with fin 19, and fin 19 is provided with several, heat conduction copper sheet 18 is positioned at semiconductor refrigerator 16 The hot end can quickly absorb the heat generated by the hot end, rely on a number of fins 19 on the back to increase the contact area with the air, and cooperate with the cooling fan 15 to discharge it.

Please refer to Figure 3. The lower surface of the positioning seat 4 is provided with an inner groove 13, and a rubber suction cup 14 is installed inside the inner groove 13. The bottom surface of the positioning seat 4 is fixed to the main body of the DC motor 1 through the rubber suction cup 14, which is convenient for disassembly and improves installation. stability.

Working principle: when in use, the positioning seat 4 is adsorbed and fixed on the upper end of the DC motor main body 1 through the rubber suction cup 14, and then the turntable 7 is rotated to drive the gear 12 at one end of the screw rod 6 to rotate, and it is driven by the rack 9 at the front and rear ends of the gear 12 , adjust the distance between the cooling casings 2 on both sides so that it can be clamped on both sides of the DC motor. After the distance is adjusted, the screw rod 6 is locked and fixed by the nut 5. Because the distance between the cooling casings 2 is adjustable, it can It is suitable for DC motors of different specifications and has high versatility. A semiconductor cooler 16 is installed inside the cooling case 2. After the semiconductor cooler 16 is powered on, the internal energy near the upper contact decreases, the temperature drops, and it absorbs heat to the outside , produce a cold end, while the other end increases internal energy, temperature rises, and releases heat to the environment to generate a hot end. The cold end can absorb the heat generated by the DC motor through the heat-conducting silica gel 17, and conduct it to the heat-conducting copper through the hot end Sheet 18 relies on several fins 19 on the back of the heat-conducting copper sheet 18 to increase the contact area with the air, cooperate with the cooling fan 15 to discharge heat, and ensure the cooling effect of heat dissipation.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A direct current motor with a cooling shell structure, comprising a direct current motor main body (1);

the method is characterized in that: further comprises:

a positioning seat (4) arranged above the direct current motor main body (1);

the gear (12) is arranged in the positioning seat (4), racks (9) are arranged at the rear end and the front end of the gear (12), and the racks (9) at the rear end and the front end extend to the outer parts of the two sides of the outer wall of the positioning seat (4) respectively;

the telescopic guide post (8) is arranged at the lower end of one side and the upper end of the other side of the positioning seat (4), and a limiting block (11) is arranged at one end of the telescopic guide post (8);

the cooling machine shell (2) is arranged on two sides of the direct current motor main body (1), the cooling machine shell (2) is connected with the rack (9) and the telescopic guide column (8) through the connecting column (10), and the isolation net (3) is arranged on the outer wall of the cooling machine shell (2).

2. A direct current motor having a cooling housing structure according to claim 1, wherein: the upper end of the gear (12) is provided with a screw rod (6), the upper end of the screw rod (6) is provided with a rotary table (7), and the joint of the screw rod (6) and the positioning seat (4) is provided with a nut (5).

3. A direct current motor having a cooling housing structure according to claim 1, wherein: a cooling fan (15) is arranged in the cooling machine shell (2), and a semiconductor refrigerator (16) is arranged on the inner side of the cooling fan (15).

4. A direct current motor having a cooling housing structure according to claim 3, wherein: and a heat conducting silica gel (17) is arranged on the outer wall of the semiconductor refrigerator (16).

5. A direct current motor having a cooling housing structure according to claim 3, wherein: the semiconductor refrigerator is characterized in that a heat conducting copper sheet (18) is arranged on the inner wall of the semiconductor refrigerator (16), fins (19) are arranged on the outer wall of the heat conducting copper sheet (18), and a plurality of fins (19) are arranged.

6. A direct current motor having a cooling housing structure according to claim 1, wherein: the lower surface of positioning seat (4) is provided with interior recess (13), the internally mounted of interior recess (13) has rubber sucking disc (14).

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