Waterproof motor
By designing a waterproof shell and fixing ring in the electric curtain motor, combining sealed bearings and water leakage, the corrosion problem caused by rainwater seepage is solved, and the motor is effectively waterproof and normal operation is achieved.
Patent Information
- Application Number
- CN202421140994.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-23
AI Technical Summary
When existing electric curtain motors are installed outdoors, rainwater can easily penetrate into the shell along the gaps around the drive shaft, resulting in corrosion and damage and the motor cannot work properly.
A waterproof motor is designed, adopting a combination of a waterproof shell and a fixing ring. Through the cooperation of the first sealing bearing and water leakage port, the sealing between the motor output shaft and the housing is enhanced to prevent rainwater from seeping in.
It effectively improves the sealing between the motor output shaft and the housing, prevents rainwater from entering, thereby avoiding corrosion and damage and ensuring the normal operation of the motor.
Smart Images

Figure CN222484441U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motors, in particular to a waterproof motor. Background Art
[0002] Electric curtains are curtains that are controlled by motor drive, which can achieve remote operation and scheduled opening or closing, greatly improving the quality of life. When the motor is working, the drive shaft at the output end of the motor needs to be connected to other structures and cannot be sealed. If the motor is installed outdoors and rain falls on the output end of the motor, the rain can easily seep into the casing along the gaps around the drive shaft, corroding and damaging various components in the casing, causing the motor to fail to work properly.
[0003] For example, Chinese patent publication number CN220043095U discloses an electric curtain motor, which relates to the technical field of electric curtains and includes a motor, wherein the upper surface of the motor is fixedly connected to a rotating shaft, the surface of the motor is fixedly connected to a heat sink, the surface of the rotating shaft is provided with a fixing device, the fixing device includes a fixing plate, the fixing plate is fixedly installed with the rotating shaft, the surface of the motor is fixedly connected to two slides, the surface of the fixing plate is threadedly connected to a bolt, one end of the bolt is threadedly connected to a connecting plate, the surface of the connecting plate is provided with a slide groove, and the slide groove is slidably connected to the slide.
[0004] However, in the above solution, the sealing between the motor output shaft and the motor housing is low. If the motor is installed outdoors and rain falls on the motor output shaft, the rain can easily penetrate into the housing along the gaps around the output shaft, corroding and damaging various components in the housing, causing the motor to fail to work properly. Utility Model Content
[0005] The utility model provides a waterproof motor to solve the problems raised in the above background technology.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A waterproof motor comprises a motor body and a waterproof shell, wherein a fixing ring is fixedly connected to the outer ring side wall of the waterproof shell, and four fixing holes are opened on the side wall of the fixing ring, and the fixing ring is fixedly connected to the side wall of the motor body by four bolts, and one end of the four bolts respectively passes through the four fixing holes, and a first through hole is opened on the side wall of the waterproof shell, and the first through hole is sleeved on the outer ring side wall of the output shaft of the motor body, and the first through hole is rotatably connected to the output shaft of the motor body through a first sealing bearing, and a water retaining ring is fixedly connected to the outer ring side wall of the output shaft of the motor body, and the water retaining ring is located in the waterproof shell, and the inner ring side wall of the waterproof shell is arranged in an inclined shape, and a water leakage port is opened on the bottom side wall of the waterproof shell, and the water leakage port is located at the lowest point of the inclined side wall of the inner ring of the waterproof shell, and a secondary sealing device is arranged in the waterproof shell.
[0008] As a further improvement of the present technical solution: the secondary sealing device includes a water baffle plate, which is fixedly connected to the inner ring side wall of the waterproof shell, and the water baffle plate is located between the water baffle ring and the motor body. The side wall of the water baffle plate is provided with a second through hole, and the second through hole is sleeved on the outer ring side wall of the output shaft of the motor body, and the second through hole is rotatably connected to the output shaft of the motor body through a second sealing bearing.
[0009] As a further improvement of the technical solution: the four bolts are all made of stainless steel.
[0010] As a further improvement of the technical solution: the side wall of the water retaining ring is provided with absorbent cotton.
[0011] As a further improvement of the technical solution: a filter screen is provided in the water leakage port.
[0012] As a further improvement of the technical solution: rubber pads are provided on the waterproof shell and the side wall of the fixing ring, and the rubber pads are located between the waterproof shell and the motor body.
[0013] Compared with the prior art, the beneficial effect of the utility model is that the device can strengthen the sealing between the motor output shaft and the motor housing through the mutual cooperation of the fixing ring, the waterproof shell, the first sealed bearing, the water leakage port and other components, thereby preventing rainwater from flowing into the housing through the gap between the output shaft and the housing. The device is simple to manufacture and highly practical.
[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0016] Figure 1 This is a front cross-sectional structural schematic diagram of a waterproof motor proposed by the utility model;
[0017] Figure 2 This is a front view structural schematic diagram of a waterproof motor proposed by the utility model;
[0018] Figure 3 This is a schematic diagram of the left side cross-sectional structure of a waterproof motor proposed by the utility model;
[0019] Figure 4 This is a left-side structural schematic diagram of a waterproof motor proposed by the utility model.
[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0021] 1. Motor body; 2. Fixing ring; 3. Fixing hole; 4. Bolt; 5. Waterproof shell; 6. Water retaining ring; 7. Water-absorbing cotton; 8. First through hole; 9. Second through hole; 10. First sealed bearing; 11. Second sealed bearing; 12. Water retaining plate; 13. Water leakage port; 14. Filter. DETAILED DESCRIPTION
[0022] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.
[0023] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0025] See also Figure 1-4 In an embodiment of the utility model, a waterproof motor includes a motor body 1 and a waterproof shell 5, a fixing ring 2 is fixedly connected to the outer ring side wall of the waterproof shell 5, four fixing holes 3 are opened on the side wall of the fixing ring 2, the fixing ring 2 is fixedly connected to the side wall of the motor body 1 by four bolts 4, one end of the four bolts 4 respectively penetrates the four fixing holes 3, a first through hole 8 is opened on the side wall of the waterproof shell 5, the first through hole 8 is sleeved on the outer ring side wall of the output shaft of the motor body 1, the first through hole 8 is rotatably connected to the output shaft of the motor body 1 through a first sealed bearing 10, a water retaining ring 6 is fixedly connected to the outer ring side wall of the output shaft of the motor body 1, the water retaining ring 6 is located in the waterproof shell 5, the inner ring side wall of the waterproof shell 5 is inclined, a water leakage port 13 is opened on the bottom side wall of the waterproof shell 5, the water leakage port 13 is located at the lowest point of the inclined side wall of the inner ring of the waterproof shell 5, and a secondary sealing device is provided in the waterproof shell 5.
[0026] See also Figure 1 The secondary sealing device includes a water baffle 12, which is fixedly connected to the inner ring side wall of the waterproof shell 5. The water baffle 12 is located between the water baffle ring 6 and the motor body 1. A second through hole 9 is opened on the side wall of the water baffle 12. The second through hole 9 is sleeved on the outer ring side wall of the output shaft of the motor body 1. The second through hole 9 is rotatably connected to the output shaft of the motor body 1 through a second sealed bearing 11. The water baffle 12 and the second sealed bearing 11 can be used to increase the sealing between the output shaft of the motor body 1 and the waterproof shell 5, thereby preventing rainwater from flowing into the motor housing.
[0027] See also Figure 1-4 The four bolts 4 are all made of stainless steel to prevent the four bolts 4 from being affected by rust.
[0028] See also Figure 1 , Figure 3 The side wall of the water retaining ring 6 is provided with absorbent cotton 7, which can be used to absorb moisture inside the waterproof shell 5.
[0029] See also Figure 1 , Figure 3 A filter screen 14 is provided in the water leakage port 13 , and the filter screen 14 can prevent external impurities such as mosquitoes from entering the waterproof shell 5 .
[0030] See also Figure 1-2Rubber pads are provided on the side walls of the waterproof shell 5 and the fixing ring 2 . The rubber pads are located between the waterproof shell 5 and the motor body 1 and can be used to increase the sealing between the waterproof shell 5 and the motor body 1 .
[0031] The working principle of the utility model is: by inserting four bolts 4 into four fixing holes 3, and then screwing the bolts 4 into the side wall of the motor body 1, the waterproof shell 5 is fixed, and the output shaft of the motor body 1 and the waterproof shell 5 can be sealed by the first sealed bearing 10. If the first sealed bearing 10 is damaged or leaks, rainwater slides into the waterproof shell 5 through the output shaft of the motor body 1. The rainwater can be blocked by the water retaining ring 6, so that the rainwater drips onto the inclined side wall of the waterproof shell 5. At this time, the rainwater flows along the inclined side wall of the waterproof shell 5 and finally flows out through the leaking port 13. The water retaining plate 12 and the second sealed bearing 11 can be used to increase the sealing between the output shaft of the motor body 1 and the waterproof shell 5, thereby preventing rainwater from flowing into the motor body 1.
[0032] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.
Claims
1. A waterproof motor, comprising a motor body (1) and a waterproof housing (5), characterized in that: A fixing ring (2) is fixedly connected to the outer ring side wall of the waterproof shell (5), and four fixing holes (3) are opened on the side wall of the fixing ring (2). The fixing ring (2) is fixedly connected to the side wall of the motor body (1) by four bolts (4), and one end of the four bolts (4) respectively passes through the four fixing holes (3). A first through hole (8) is opened on the side wall of the waterproof shell (5), and the first through hole (8) is sleeved on the outer ring side wall of the output shaft of the motor body (1). The first through hole (8) The motor body (1) is rotatably connected to the output shaft of the motor body (1) via a first sealed bearing (10); a water retaining ring (6) is fixedly connected to the outer ring side wall of the output shaft of the motor body (1); the water retaining ring (6) is located in a waterproof shell (5); the inner ring side wall of the waterproof shell (5) is arranged in an inclined shape; a water leakage port (13) is provided on the bottom side wall of the waterproof shell (5); the water leakage port (13) is located at the lowest point of the inclined inner ring side wall of the waterproof shell (5); and a secondary sealing device is provided in the waterproof shell (5).
2. A waterproof motor according to claim 1, characterized in that: The secondary sealing device comprises a water baffle plate (12), the water baffle plate (12) is fixedly connected to the inner ring side wall of the waterproof shell (5), the water baffle plate (12) is located between the water baffle ring (6) and the motor body (1), and a second through hole (9) is opened on the side wall of the water baffle plate (12), the second through hole (9) is sleeved on the outer ring side wall of the output shaft of the motor body (1), and the second through hole (9) is rotatably connected to the output shaft of the motor body (1) through a second sealing bearing (11).
3. A waterproof motor according to claim 1, characterized in that: The four bolts (4) are all made of stainless steel.
4. A waterproof motor according to claim 1, characterized in that: The side wall of the water retaining ring (6) is provided with water-absorbing cotton (7).
5. The waterproof motor according to claim 1, characterized in that: A filter screen (14) is provided inside the water leakage port (13).
6. The waterproof motor according to claim 1, characterized in that: The waterproof shell (5) and the side walls of the fixing ring (2) are both provided with rubber pads, and the rubber pads are located between the waterproof shell (5) and the motor body (1).
Citation Information
Patent Citations
Electric curtain motor
CN220043095U