Waterproof structure of motor

By using a combination of double-layer sealing ring and sealing paste in the motor waterproof structure, the problem of easy damage of single-layer sealing ring is solved, achieving better waterproof performance and easy disassembly and maintenance.

CN223039756UActive Publication Date: 2025-06-27AISHIEN POWER TECHNOLOGY (JIANGSU) CO LTD
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Patent Information

Application Number
CN202421624371.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-06-27
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

In the waterproof structure of existing motors, the single-layer sealing ring is prone to damage, causing water to enter the motor, and the structure is not convenient for disassembly and maintenance.

Method used

The structure of a double-layer sealing ring is adopted and used in conjunction with the sealing paste. The lower box and the upper box, the sealing chamber, the feed pipe, the valve, the second sealing groove, the second sealing ring, the clamping block, the sealing strip, the clamping groove, the first sealing groove, the first sealing ring and other components can achieve better waterproof performance.

Benefits of technology

It improves the waterproof performance of the motor, prevents water from entering and damaging the motor, and facilitates disassembly and repairs, extending the service life of the motor.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223039756U_ABST
    Figure CN223039756U_ABST
Patent Text Reader

Abstract

The waterproof structure comprises a lower box body and an upper box body, an upper partition plate and a lower partition plate are fixedly connected in the lower box body and the upper box body respectively, a sealing cavity is arranged between the lower box body and the upper box body and between the upper partition plate and the lower partition plate, the sealing cavity is filled with sealing paste, the upper surface of the upper box body is fixedly connected with a feeding pipe, and the lower surface of the upper box body is fixedly connected with a discharging pipe. A valve is arranged on the feeding pipe, second sealing grooves are formed in the lower box body and the upper box body, second sealing rings are arranged in the second sealing grooves, a clamping block is fixedly connected to the lower surface of the upper box body, a sealing strip is fixedly connected to the side surface of the clamping block, a clamping groove is formed in the lower box body, and first sealing grooves are formed in the upper partition plate and the lower partition plate. Through the above structure, the motor can be conveniently sealed, the motor has a good waterproof effect, water is prevented from entering the motor to damage the motor, meanwhile, the motor is convenient to disassemble, and subsequent maintenance of the motor is facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of waterproof structures of motors, and particularly relates to a waterproof structure of a motor. Background Art

[0002] For the existing waterproof structure of a motor, waterproofing is often achieved by setting a sealing ring. However, a single-layer sealing ring is often prone to damage, which easily allows water to enter and damage the motor. Moreover, the existing structure is not convenient for disassembly and installation. For example, a Chinese patent discloses "a waterproof structure of a motor" with the application number: "CN202222091749.4", which includes a motor housing. A waterproof mechanism is provided inside the motor housing. The waterproof mechanism includes a rear cover movably installed on the left side of the motor housing. A limiting plate is fixedly installed on the inner peripheral wall of the rear cover. A waterproof sealing ring is fixedly installed inside the rear cover. First screws are threadedly connected to both the top and bottom of the rear cover. An annular clamping groove is formed on the inner wall of the motor housing. Through the clamping connection between the annular clamping groove and the waterproof sealing ring, the motor housing and the rear cover are fixed by the first screws, improving the waterproof performance on the left side of the motor. The rotating shaft is sealed by a sealing bearing, so that water will not flow into the motor through the rotating shaft. Through the closing of the snap ring and the sealing ring fixed by the second screw, the waterproof performance on the right side of the motor is improved. With the above structure, it is convenient to waterproof the motor. However, when in use, when the sealing ring is damaged, water easily enters, causing damage to the motor, and there are limitations in use. Summary of the Utility Model

[0003] An object of the utility model is to solve at least one of the technical problems existing in the prior art. A waterproof structure of a motor is provided. By setting a lower box body, an upper box body, a sealing cavity, a feed pipe, sealing paste, a valve, a second sealing groove, a second sealing ring, a clamping block, a sealing strip, a clamping groove, a first sealing groove, and a first sealing ring, through the sealing effect of a double-layer sealing ring and in cooperation with the sealing paste, the overall waterproof performance is better, facilitating the sealing of the motor, having a good waterproof effect, preventing water from entering and damaging the motor, and at the same time being convenient for disassembly and subsequent maintenance of the motor.

[0004] The present utility model also provides a waterproof structure for a motor having the above-mentioned one, including: a lower box body and an upper box body. An upper partition and a lower partition are respectively fixedly connected inside the lower box body and the upper box body. A sealing cavity is provided between the lower box body, the upper box body, the upper partition and the lower partition. The sealing cavity is filled with sealing paste. A feed pipe is fixedly connected to the upper surface of the upper box body, and a valve is provided on the feed pipe. Second sealing grooves are provided on both the lower box body and the upper box body, and second sealing rings are provided in the second sealing grooves. A clamping block is fixedly connected to the lower surface of the upper box body, and a sealing strip is fixedly connected to the side surface of the clamping block. A clamping groove is provided on the lower box body. First sealing grooves are provided on both the upper partition and the lower partition, and first sealing rings are provided in the first sealing grooves. Through the above structure, it is convenient to seal the motor, enabling it to have a good waterproof effect, preventing water from entering and damaging the motor. At the same time, it is convenient to disassemble, facilitating subsequent maintenance of the motor.

[0005] According to the waterproof structure of a motor described in the present utility model, a heat absorption plate is fixedly connected to the inner wall of the upper partition, a heat dissipation plate is fixedly connected to the upper surface of the upper box body, the heat absorption plate is fixedly connected to the lower surface of the heat dissipation plate, and a plurality of heat dissipation fins are fixedly connected to the heat dissipation plate. Through the above structure, it is convenient to transfer the heat generated during the operation of the motor.

[0006] According to the waterproof structure of a motor described in the present utility model, a plurality of cross bars and longitudinal bars are fixedly connected to the inner wall of the lower partition. The cross bars and the longitudinal bars are crisscrossed, and a motor is detachably connected to the cross bars and the longitudinal bars. A blower is provided below the motor, and the blower is fixedly connected to the lower box body. Through the above structure, it is convenient to cool the motor.

[0007] According to the waterproof structure of a motor described in the present utility model, a rotating shaft is fixedly connected to the output end of the motor, and an outer sealed bearing and an inner sealed bearing are rotatably connected to the rotating shaft. Through the above structure, it is convenient to seal the rotating shaft to prevent water from entering.

[0008] According to the waterproof structure of a motor described in the present utility model, second fixing grooves are provided on both the upper partition and the lower partition. The inner sealed bearing is located in the second fixing groove and is fixedly connected to the lower partition. Through the above structure, it is convenient to determine the position of the inner sealed bearing and prevent water from entering the partition to damage the motor.

[0009] According to the waterproof structure of a motor described in the present utility model, first fixing grooves are provided on both the lower box body and the upper box body. The outer sealed bearing is located in the first fixing groove and is fixedly connected to the lower box body. Through the above structure, it is convenient to determine the position of the outer sealed bearing.

[0010] A waterproof structure of a motor according to the present utility model, a protective sleeve is arranged in the sealing cavity, the protective sleeve is located on the side surface of the rotating shaft, and is fixedly connected between the lower box body, the upper box body, the upper partition plate and the lower partition plate. Through the above structure, the rotating shaft is protected to prevent the sealing paste from sticking to the rotating shaft.

[0011] A waterproof structure of a motor according to the present utility model, fixing blocks are fixedly connected to the side surfaces of the lower box body and the upper box body, and bolts are arranged on the fixing blocks. Through the above structure, it is convenient to fix the upper box body and the lower box body.

[0012] Beneficial effects

[0013] Compared with the prior art, this waterproof structure of a motor, by providing a lower box body, an upper box body, a sealing cavity, a feed pipe, a sealing paste, a valve, a second sealing groove, a second sealing ring, a clamping block, a sealing strip, a clamping groove, a first sealing groove, and a first sealing ring, through the sealing effect of the double-layer sealing ring and in cooperation with the sealing paste, makes the overall waterproof performance better, is convenient for sealing the motor, has a good waterproof effect, prevents water from entering and damaging the motor, and at the same time is convenient for disassembly and subsequent maintenance of the motor. Description of the drawings

[0014] The present utility model will be further described below with reference to the drawings and embodiments;

[0015] Figure 1 It is an overall structure diagram of a waterproof structure of a motor according to the present utility model;

[0016] Figure 2 It is a bottom view structure diagram of a waterproof structure of a motor according to the present utility model;

[0017] Figure 3 It is a transverse sectional structure diagram of a waterproof structure of a motor according to the present utility model;

[0018] Figure 4 It is a longitudinal sectional structure diagram of a waterproof structure of a motor according to the present utility model;

[0019] Figure 5 It is a Figure 4 magnified structure diagram of the C part in a waterproof structure of a motor according to the present utility model.

[0020] Legend description:

[0021] 1. Lower box body; 2. Upper box body; 3. Heat dissipation plate; 4. Heat sink; 5. Feed pipe; 6. Valve; 7. Outer sealed bearing; 8. First fixing groove; 9. Rotating shaft; 10. Upper partition plate; 11. Motor; 12. Inner sealed bearing; 13. Second fixing groove; 14. Protective sleeve; 15. Fan; 16. Heat absorption plate; 17. Cross bar; 18. Longitudinal bar; 19. First sealing groove; 20. First sealing ring; 21. Card slot; 22. Card block; 23. Sealing strip; 24. Second sealing groove; 25. Second sealing ring; 26. Lower partition plate; 27. Sealing cavity; 28. Fixed block; 29. Bolt. Detailed implementation manners

[0022] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0023] Referring to Figures 1-5 , an anti - water structure of a motor in an embodiment of the present utility model includes: a lower box body 1 and an upper box body 2. An upper partition plate 10 and a lower partition plate 26 are respectively fixedly connected inside the lower box body 1 and the upper box body 2. The upper partition plate 10 and the lower partition plate 26 are fixed. A sealing cavity 27 is provided between the lower box body 1 and the upper box body 2 and the upper partition plate 10 and the lower partition plate 26, which is convenient for sealing. The sealing cavity 27 is filled with sealing paste, which is convenient for sealing. A feed pipe 5 is fixedly connected to the upper surface of the upper box body 2, and a valve 6 is provided on the feed pipe 5, which is convenient for filling the sealing paste. Second sealing grooves 24 are provided on both the lower box body 1 and the upper box body 2, and second sealing rings 25 are provided in the second sealing grooves 24, which is convenient for sealing. A card block 22 is fixedly connected to the lower surface of the upper box body 2, and a sealing strip 23 is fixedly connected to the side surface of the card block 22. The sealing strip 23 is fixed. A card slot 21 is provided on the lower box body 1, which is convenient for engaging with the card block 22. First sealing grooves 19 are provided on both the upper partition plate 10 and the lower partition plate 26, and first sealing rings 20 are provided in the first sealing grooves 19, which is convenient for sealing and makes the sealing and waterproof effect better.

[0024] The inner wall of the upper partition plate 10 is fixedly connected with a heat absorption plate 16, the upper surface of the upper box body 2 is fixedly connected with a heat dissipation plate 3, and the heat absorption plate 16 is fixedly connected to the lower surface of the heat dissipation plate 3 to transfer heat. A number of heat dissipation fins 4 are fixedly connected to the heat dissipation plate 3 to facilitate faster heat dissipation. The inner wall of the lower partition plate 26 is fixedly connected with a number of cross bars 17 and longitudinal bars 18. The cross bars 17 and longitudinal bars 18 are fixed, and the cross bars 17 and longitudinal bars 18 are crisscrossed. The motor 11 is detachably connected to the cross bars 17 and longitudinal bars 18 to facilitate the disassembly and installation of the motor 11 and support the motor 11 to make it dissipate heat better. A blower 15 is arranged below the motor 11 to cool the motor 11. The blower 15 is fixedly connected to the lower box body 1 to fix the blower 15. The output end of the motor 11 is fixedly connected with a rotating shaft 9 to drive the rotating shaft 9 to rotate. The rotating shaft 9 is rotatably connected with an outer sealing bearing 7 and an inner sealing bearing 12 to facilitate sealing. Second fixing grooves 13 are arranged on both the upper partition plate 10 and the lower partition plate 26. The inner sealing bearing 12 is located in the second fixing groove 13 and is fixedly connected to the lower partition plate 26 to determine the position of the inner sealing bearing 12. First fixing grooves 8 are arranged on both the lower box body 1 and the upper box body 2. The outer sealing bearing 7 is located in the first fixing groove 8 and is fixedly connected to the lower box body 1 to determine the position of the outer sealing bearing 7. A protective sleeve 14 is arranged in the sealing cavity 27. The protective sleeve 14 is located on the side surface of the rotating shaft 9 to protect the surface of the rotating shaft 9 and is fixedly connected between the lower box body 1, the upper box body 2, the upper partition plate 10 and the lower partition plate 26 to fix the protective sleeve 14. Fixed blocks 28 are fixedly connected to the side surfaces of the lower box body 1 and the upper box body 2. Bolts 29 are arranged on the fixed blocks 28 to facilitate the fixation of the lower box body 1 and the upper box body 2.

[0025] Working principle: When in use, under the action of the second sealing ring 25 and the sealing strip 23, water cannot enter the sealing cavity 27. When the second sealing ring 25 and the sealing strip 23 are damaged, water enters the sealing cavity 27. Under the action of the sealing paste, water cannot enter the area where the motor 11 is located, and through the cooperation with the first sealing ring 20, the waterproof effect is better. When the motor 11 is working, the blower 15 cools it. The heat is absorbed by the heat absorption plate 16 and transferred to the heat dissipation plate 3, and the heat is dissipated through the heat dissipation fins 4. The design of the outer sealing bearing 7 and the inner sealing bearing 12 facilitates that when the rotating shaft 9 rotates, water will not enter the motor 11. The protective sleeve 14 can prevent the sealing paste from sticking to the surface of the rotating shaft 9. When it is necessary to replace the devices in the lower box body 1 and the upper box body 2 or repair the motor 11, by removing the bolts 29 and separating the upper box body 2 and the lower box body 1, and after the replacement and repair are completed, it can be restored to the original state.

[0026] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present utility model within the scope of knowledge possessed by those of ordinary skill in the relevant art.

Claims

1. A waterproof structure of a motor, characterized in that: include: A lower box body (1) and an upper box body (2), wherein an upper baffle (10) and a lower baffle (26) are fixedly connected in the lower box body (1) and the upper box body (2), respectively; a sealing cavity (27) is provided between the lower box body (1) and the upper box body (2) and the upper baffle (10) and the lower baffle (26); the sealing cavity (27) is filled with sealing paste; a feed pipe (5) is fixedly connected to the upper surface of the upper box body (2); a valve (6) is provided on the feed pipe (5); and the lower box body (1) and the upper box body are fixedly connected to the upper surface of the upper box body (2); and the feed pipe (5) is provided with a valve (6). The upper box body (2) is provided with a second sealing groove (24), a second sealing ring (25) is provided in the second sealing groove (24), a clamping block (22) is fixedly connected to the lower surface of the upper box body (2), a sealing strip (23) is fixedly connected to the side surface of the clamping block (22), a clamping groove (21) is provided on the lower box body (1), the upper partition plate (10) and the lower partition plate (26) are both provided with a first sealing groove (19), and a first sealing ring (20) is provided in the first sealing groove (19).

2. The waterproof structure of a motor according to claim 1, characterized in that: A heat absorbing plate (16) is fixedly connected to the inner wall of the upper partition (10), a heat dissipation plate (3) is fixedly connected to the upper surface of the upper box body (2), the heat absorbing plate (16) is fixedly connected to the lower surface of the heat dissipation plate (3), and a plurality of heat dissipation fins (4) are fixedly connected to the heat dissipation plate (3).

3. The waterproof structure of a motor according to claim 1, characterized in that: A plurality of cross bars (17) and longitudinal bars (18) are fixedly connected to the inner wall of the lower partition plate (26), the cross bars (17) and longitudinal bars (18) being crisscrossed, the cross bars (17) and longitudinal bars (18) being detachably connected to a motor (11), a fan (15) being arranged below the motor (11), and the fan (15) being fixedly connected to the lower box body (1).

4. The waterproof structure of a motor according to claim 3, characterized in that: The output end of the motor (11) is fixedly connected to a rotating shaft (9), and the rotating shaft (9) is rotatably connected to an outer sealing bearing (7) and an inner sealing bearing (12).

5. The waterproof structure of a motor according to claim 1, characterized in that: The upper partition plate (10) and the lower partition plate (26) are both provided with a second fixing groove (13), and the inner sealing bearing (12) is located in the second fixing groove (13) and is fixedly connected to the lower partition plate (26).

6. The waterproof structure of a motor according to claim 1, characterized in that: The lower box body (1) and the upper box body (2) are both provided with a first fixing groove (8), and the external sealing bearing (7) is located in the first fixing groove (8) and is fixedly connected to the lower box body (1).

7. The waterproof structure of a motor according to claim 4, characterized in that: A protective sleeve (14) is provided in the sealed cavity (27); the protective sleeve (14) is located on the side surface of the rotating shaft (9) and is fixedly connected between the lower box body (1), the upper box body (2), the upper partition (10), and the lower partition (26).

8. The waterproof structure of a motor according to claim 1, characterized in that: The side surfaces of the lower box body (1) and the upper box body (2) are both fixedly connected with fixing blocks (28), and bolts (29) are provided on the fixing blocks (28).

Citation Information

Patent Citations

  • Waterproof structure of motor

    CN217883053U