Motor heat dissipation device

Abstract

The utility model relates to the technical field of motor heat dissipation, and discloses a motor heat dissipation device, which comprises a device main body and a motor, a cavity is arranged in the device main body, the motor is arranged in the cavity, an action output shaft of the motor penetrates through the cavity and extends to the outside, a driving gear is arranged on the action output shaft of the motor, and the driving gear is arranged on the device main body. A supporting block is arranged in the cavity, a rotating shaft is rotationally installed on the supporting block, a driven gear meshed with the driving gear is installed at one end of the rotating shaft, a first bevel gear is installed at the other end of the rotating shaft, and a connecting rod is installed on the inner wall of the top of the cavity. The two transmission sliding blocks can be driven to be far away from each other by rotating the transmission gear, so that the two transmission sliding blocks drive the two top blocks to push the two movable frames to move, the two movable frames are separated from the rectangular holes and are far away from each other, the filter screen inserted into the movable frames can be conveniently replaced, and the replacement efficiency of the filter screen is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor heat dissipation, in particular to a motor heat dissipation device. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. It is divided into electric motors and generators. The working principle of a DC generator is to convert the alternating electromotive force induced in the armature coil into a DC electromotive force when it is led out from the brush end through the commutation action of the commutator and the brushes. A DC motor is an electric motor that runs on a DC working voltage and is widely used in tape recorders, VCRs, DVD players, electric shavers, hair dryers, electronic watches, toys, etc.

[0003] The utility model with publication number CN212486321U discloses a motor cooling device, including a base plate, a motor box is fixedly installed on the top of the base plate, a motor body is fixedly installed on the rear inner wall of the motor box, a first gear is fixedly installed on the output shaft of the motor body, two first rotating shafts are rotatably installed on the inner walls of both sides of the motor box, second gears are fixedly installed on the outer sides of the two first rotating shafts, and the sides of the two second gears close to each other are meshed with the first gears, and two second rotating shafts are rotatably installed in the motor box. However, in real life, when the utility model is used for a long time, the dust net and the filter net are covered with impurities and need to be replaced. Since they are fixedly installed on the outer wall of the motor box, it is time-consuming and laborious to replace and disassemble the filter net, and the replacement efficiency is average. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a motor heat dissipation device, which has the advantages of energy saving, environmental protection, and convenient filter replacement, and solves the above technical problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a motor heat dissipation device, comprising a device body and a motor, wherein a cavity is provided in the device body, the motor is installed in the cavity, the action output shaft of the motor passes through the cavity and extends to the outside, a driving gear is installed on the action output shaft of the motor, a support block is arranged in the cavity, a rotating shaft is rotatably installed on the support block, a driven gear meshing with the driving gear is installed at one end of the rotating shaft, a first bevel gear is installed at the other end of the rotating shaft, a connecting rod is installed on the top inner wall of the cavity, and the bottom of the connecting rod is provided with a plurality of connecting rods. A second bevel gear meshing with the first bevel gear is rotatably installed, and a cooling fan is installed at the other end of the second bevel gear. Rectangular holes are provided on the inner walls on both sides of the cavity, and a movable frame is inserted in the rectangular hole, and a filter is inserted in the movable frame. A transmission cavity is provided in the device body, and a transmission gear is rotatably installed in the transmission cavity. Two transmission sliders are slidably installed in the transmission cavity, and transmission tooth grooves meshing with the transmission gear are provided on the two transmission sliders. Top blocks are installed on the two transmission sliders, and the ends of the two top blocks away from the transmission sliders are respectively installed on the two movable frames.

[0008] As a preferred technical solution of the utility model, a slot is provided on the movable frame, the filter is slidably arranged in the slot, and an opening end of the slot is provided on the top of the movable frame.

[0009] As a preferred technical solution of the utility model, a groove is provided on the top of the movable frame, and a buckle groove is provided on the filter screen.

[0010] As a preferred technical solution of the utility model, an adjusting knob penetrating the transmission cavity and extending to the outside is welded on the top of the transmission gear, and a hexagonal slot is provided on the top of the adjusting knob.

[0011] As a preferred technical solution of the utility model, two mutually symmetrical sliding rods are arranged in the transmission cavity, and sliding holes matched with the sliding rods are opened on the two transmission sliding blocks.

[0012] As a preferred technical solution of the utility model, a protective cover is hinged on the top of the device body, and the protective cover covers the top of the adjusting knob.

[0013] As a preferred technical solution of the present utility model, the cross-sections of the two transmission sliders are both L-shaped.

[0014] Compared with the prior art, the utility model provides a motor heat dissipation device, which has the following beneficial effects:

[0015] 1. The utility model cooperates with each other through the structures such as the transmission gear, the transmission slider and the movable frame. When the filter needs to be replaced, the two transmission sliders can be driven to move away from each other by rotating the transmission gear, so that the two transmission sliders drive the two top blocks to push the two movable frames to move, so that the two movable frames are separated from the rectangular holes and move away from each other, so that the filter inserted in the movable frame can be easily replaced, and the replacement efficiency of the filter can be further improved.

[0016] 2. The utility model cooperates with the structures such as the driving gear and the driven gear on the motor output shaft, so that when the motor is running, the driving gear on the motor output shaft can rotate, thereby driving the driven gear to rotate, and at the same time, the driven gear drives the first bevel gear on the rotating shaft to rotate, thereby driving the second bevel gear to rotate through the first bevel gear, and finally driving the cooling fan to rotate through the second bevel gear, thereby accelerating the air circulation speed in the cavity, achieving the purpose of cooling the motor in the cavity, and no other driving mechanism is required as a whole, achieving the purpose of energy saving and environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of a top view cross-section structure of the transmission slider, transmission gear, slide rod and other structures of the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0020] Figure 4 It is a side cross-sectional structural schematic diagram of the transmission slider, slide rod, transmission gear and other structures of the utility model.

[0021] Among them: 1. Device body; 2. Protective cover; 3. Movable frame; 4. Rectangular hole; 5. Filter; 6. Groove; 7. Transmission cavity; 8. Transmission slider; 9. Top block; 10. Transmission gear; 11. Transmission tooth groove; 12. Slide hole; 13. Slide rod; 14. Cavity; 15. Motor; 16. Driving gear; 17. Driven gear; 18. Support block; 19. Rotating shaft; 20. First bevel gear; 21. Second bevel gear; 22. Connecting rod; 23. Cooling fan; 24. Slot; 25. Buckle slot; 26. Adjustment knob. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figure 1-4 A motor heat dissipation device includes a device body 1 and a motor 15. A cavity 14 is provided in the device body 1. The motor 15 is installed in the cavity 14. The action output shaft of the motor 15 extends through the cavity 14 to the outside. A driving gear 16 is installed on the action output shaft of the motor 15. A support block 18 is arranged in the cavity 14. A rotating shaft 19 is rotatably installed on the support block 18. A driven gear 17 meshing with the driving gear 16 is installed at one end of the rotating shaft 19. A first bevel gear 20 is installed at the other end of the rotating shaft 19. A connecting rod 22 is installed on the top inner wall of the cavity 14. A driven gear 17 meshing with the first bevel gear 20 is rotatably installed at the bottom of the connecting rod 22. A bevel gear 20 is meshed with a second bevel gear 21, and a cooling fan 23 is installed at the other end of the second bevel gear 21. Rectangular holes 4 are provided on the inner walls on both sides of the cavity 14, and a movable frame 3 is inserted in the rectangular hole 4, and a filter screen 5 is inserted in the movable frame 3. A transmission cavity 7 is provided in the device body 1, and a transmission gear 10 is rotatably installed in the transmission cavity 7. Two transmission sliders 8 are slidably installed in the transmission cavity 7, and transmission tooth grooves 11 meshing with the transmission gear 10 are provided on the two transmission sliders 8. Top blocks 9 are installed on the two transmission sliders 8, and the ends of the two top blocks 9 away from the transmission sliders 8 are respectively installed on the two movable frames 3.

[0026] Furthermore, a slot 24 is provided on the movable frame 3 , and the filter screen 5 is slidably arranged in the slot 24 . An opening end of the slot 24 is provided on the top of the movable frame 3 .

[0027] The slot 24 is provided to facilitate positioning of the filter 5 , and since the top of the movable frame 3 is provided with an opening end of the slot 24 , the filter 5 can be taken out of the slot 24 through the opening end when the movable frame 3 is moved out of the rectangular hole 4 .

[0028] Furthermore, a groove 6 is formed on the top of the movable frame 3 , and a buckle groove 25 is formed on the filter screen 5 .

[0029] Through the cooperation between the groove 6 and the buckle groove 25 , it is convenient to operate the buckle groove 25 through the groove 6 , and further, it is convenient to replace the filter screen 5 .

[0030] Furthermore, an adjusting knob 26 is welded on the top of the transmission gear 10 , penetrating the transmission cavity 7 and extending to the outside, and a hexagonal slot is provided on the top of the adjusting knob 26 .

[0031] By the mutual cooperation between the adjusting knob 26 and the hexagonal slot, it is convenient to insert a tool into the hexagonal slot to drive the adjusting knob 26 to rotate, thereby rotating the transmission gear 10 in the transmission cavity 7.

[0032] Furthermore, two symmetrical slide bars 13 are arranged in the transmission cavity 7, and two transmission slide blocks 8 are provided with slide holes 12 adapted to the slide bars 13.

[0033] Through the cooperation between the slide rod 13 and the slide hole 12 , the transmission slider 8 can slide on the slide rod 13 through the slide hole 12 , so that the movement process of the transmission slider 8 is smoother and the movement direction of the transmission slider 8 is guided.

[0034] Furthermore, the cross-section of the transmission slider 8 is L-shaped.

[0035] A protective cover 2 is hinged on the top of the device body 1 , and the protective cover 2 covers the top of the adjustment knob 26 .

[0036] The protective cover 2 can protect the adjusting knob 26 to prevent dust from accumulating in the hexagonal slot and affecting its use.

[0037] When in use, when the motor 15 is in operation, the driving gear 16 on the output shaft of the motor 15 can be rotated, thereby driving the driven gear 17 to rotate, and at the same time, the driven gear 17 can drive the first bevel gear 20 on the rotating shaft 19 to rotate, thereby driving the second bevel gear 21 to rotate through the first bevel gear 20, and finally driving the cooling fan 23 to rotate through the second bevel gear 21, thereby accelerating the air circulation speed in the cavity 14, achieving the purpose of cooling the motor 15 in the cavity 14, and the overall does not require other driving mechanisms, achieving the purpose of energy saving and environmental protection, and when it is necessary to When the filter 5 is replaced, a tool can be inserted into the hexagonal slot to drive the adjusting knob 26 to rotate, thereby causing the transmission gear 10 in the transmission cavity 7 to rotate, so that the transmission gear 10 drives the two transmission sliders 8 to move away from each other along the slide rod 13, and the two transmission sliders 8 drive the two top blocks 9 to push the two movable frames 3 to move, so that the two movable frames 3 are separated from the rectangular hole 4 and move away from each other. When the movable frames 3 move out of the rectangular hole 4, the two filters 5 can be taken out of the card slot 24 in turn through the open ends at the top of the two movable frames 3, thereby further improving the replacement efficiency of the filter 5.

[0038] 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 motor heat dissipation device, comprising a device body (1) and a motor (15), characterized in that: A cavity (14) is provided in the device body (1), the motor (15) is installed in the cavity (14), the action output shaft of the motor (15) penetrates the cavity (14) and extends to the outside, a driving gear (16) is installed on the action output shaft of the motor (15), a support block (18) is arranged in the cavity (14), a rotating shaft (19) is rotatably installed on the support block (18), a driven gear (17) meshing with the driving gear (16) is installed at one end of the rotating shaft (19), a first bevel gear (20) is installed at the other end of the rotating shaft (19), a connecting rod (22) is installed on the top inner wall of the cavity (14), a second bevel gear (20) meshing with the first bevel gear (20) is rotatably installed at the bottom of the connecting rod (22), and a second bevel gear (20) meshing with the first bevel gear (20) is installed at the bottom of the connecting rod (22). The second bevel gear (21) is provided with a cooling fan (23) at the other end thereof; rectangular holes (4) are provided on the inner walls on both sides of the cavity (14); a movable frame (3) is inserted into the rectangular hole (4); a filter screen (5) is inserted into the movable frame (3); a transmission cavity (7) is provided in the device body (1); a transmission gear (10) is rotatably installed in the transmission cavity (7); two transmission sliders (8) are slidably installed in the transmission cavity (7); transmission tooth grooves (11) meshing with the transmission gear (10) are provided on the two transmission sliders (8); top blocks (9) are installed on the two transmission sliders (8); and the ends of the two top blocks (9) away from the transmission sliders (8) are respectively installed on the two movable frames (3).

2. A motor heat dissipation device according to claim 1, characterized in that: The movable frame (3) is provided with a slot (24), the filter screen (5) is slidably arranged in the slot (24), and the top of the movable frame (3) is provided with an opening end of the slot (24).

3. A motor heat dissipation device according to claim 1, characterized in that: The top of the movable frame (3) is provided with a groove (6), and the filter screen (5) is provided with a buckle groove (25).

4. A motor heat dissipation device according to claim 1, characterized in that: An adjusting knob (26) is welded on the top of the transmission gear (10) and penetrates the transmission cavity (7) and extends to the outside. A hexagonal slot is provided on the top of the adjusting knob (26).

5. The motor heat dissipation device according to claim 1, characterized in that: Two mutually symmetrical sliding rods (13) are arranged in the transmission cavity (7), and sliding holes (12) adapted to the sliding rods (13) are provided on the two transmission sliding blocks (8).

6. A motor heat dissipation device according to claim 1, characterized in that: A protective cover (2) is hinged on the top of the device body (1), and the protective cover (2) covers the top of the adjustment knob (26).

7. The motor heat dissipation device according to claim 1, characterized in that: The cross sections of the two transmission slide blocks (8) are both L-shaped.

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