A motor structure

Abstract

The application provides a motor structure, which comprises a shell and a rotating shaft, both ends of the shell are provided with end covers, the rotating shaft is located in the shell, both ends of the rotating shaft penetrate through the end covers and extend out of the shell, a damping part is arranged on the side of the end cover away from the shell, a fixing cover is arranged on the damping part, a first cavity is enclosed between the fixing cover and the damping part, the rotating shaft penetrates through the damping part and the fixing cover once, a drain hole is arranged on the fixing cover, and liquid in the first cavity can be drained from the drain hole. According to the application, the technical problem that the structure of the motor in the prior art is complex when providing damping and waterproof effects and leading to low production efficiency can be solved.

Description

Technical Field

[0001] This invention belongs to the field of motor technology, and specifically relates to a motor structure. Background Technology

[0002] In existing technologies, when motors need vibration reduction, vibration damping rubber rings are used to provide soft contact vibration reduction. When motors need to improve their waterproof capabilities, additional waterproof covers are added to prevent water ingress. Horizontal motors with brackets, such as fan coil motors, already require a lot of parts to assemble for vibration damping. If waterproof capabilities are to be improved, the structure becomes even more complex, and too many parts are not conducive to the reliability of the motor.

[0003] See also Figure 1 As shown, the shock-absorbing rubber ring 3 of a traditional horizontal motor with a bracket requires multiple mounting clips 1 to work with the mounting bracket 2 and fixing clips 4 to fix the motor and provide a shock-absorbing effect. This results in many parts, inconvenient operation, and low production efficiency.

[0004] Because existing motors employ complex structures to provide vibration damping and waterproofing, leading to technical problems such as production efficiency, this invention researches and designs a motor structure. Summary of the Invention

[0005] Therefore, the present invention provides a motor structure that can solve the technical problem of complex structure in existing motors that provide vibration reduction and waterproofing, which leads to low production efficiency.

[0006] To address the aforementioned problems, the present invention provides a motor structure comprising: a housing and a rotating shaft; end caps are provided at both ends of the housing; the rotating shaft is located inside the housing, and both ends of the rotating shaft extend out of the housing after passing through the end caps; a vibration damping member is provided on the side of the end cap facing away from the housing; a fixing cover is provided on the vibration damping member; a first chamber is enclosed between the fixing cover and the vibration damping member; the rotating shaft passes through the vibration damping member and the fixing cover in one pass; a drain hole is provided on the fixing cover, through which liquid in the first chamber can be discharged.

[0007] In some embodiments, the end cap has a mounting protrusion on the side facing away from the housing, and a sixth groove on the side facing the interior of the housing. The mounting protrusion has a first mounting hole that penetrates the mounting protrusion, and one end of the first mounting hole is located at the bottom of the sixth groove. The sixth groove forms a bearing chamber, and a bearing is mounted on the rotating shaft. The bearing is installed in the bearing chamber, and the rotating shaft passes through the first mounting hole.

[0008] In some embodiments, a water-blocking boss is provided on the side of the mounting protrusion facing away from the end cover. The water-blocking boss is annular and is arranged opposite to the first mounting hole. The inner diameter of the water-blocking boss is the same as the inner diameter of the first mounting hole. The rotating shaft passes through the first mounting hole and the water-blocking boss in sequence. The water-blocking boss is located between the vibration damper and the rotating shaft.

[0009] In some embodiments, the outer peripheral wall of the mounting protrusion is provided with a plurality of limiting protrusions, which are arranged at intervals along the circumference of the mounting protrusion. The vibration damper is provided with an eighth groove on the side facing the housing. The bottom of the eighth groove is provided with a through hole, through which the rotating shaft passes. The side wall of the eighth groove is provided with a plurality of limiting grooves, which are arranged in a one-to-one correspondence with the limiting protrusions. The vibration damper is sleeved on the mounting protrusion through the eighth groove.

[0010] In some embodiments, the vibration damper has a mounting boss on the side facing away from the housing. The mounting boss is annular, and the vibration damper has a through hole through which the rotating shaft passes. The mounting boss and the through hole are concentric. The inner diameter of the mounting boss is larger than the diameter of the through hole. Along the direction of the vibration damper toward the housing, the inner diameter of the mounting boss gradually decreases. The inner peripheral wall of the mounting boss forms a water guiding surface, and the outer peripheral wall of the mounting boss forms a mounting surface. The water guiding surface is arranged opposite to the drain hole, and the mounting surface is in contact with the inner wall of the fixing cover.

[0011] In some embodiments, a mounting position is formed within the mounting boss, and a mounting groove is provided on the rotating shaft. The mounting groove is located between the mounting boss and the fixing cover. A water-blocking rubber ring is provided on the mounting groove, and the water-blocking rubber ring has a second mounting hole. The water-blocking rubber ring is mounted on the mounting groove through the second mounting hole.

[0012] In some embodiments, the outer peripheral wall of the water-blocking rubber ring is provided with a first groove, the first groove extending circumferentially along the water-blocking rubber ring, the first groove having a first side close to the vibration damper and a second side away from the vibration damper, the first side being located within the mounting position, the second side being located between the mounting boss and the fixing cover, and the outer diameter of the first side being larger than the outer diameter of the second side.

[0013] In some embodiments, the vibration damper has a plurality of third grooves on the side facing the housing, and a plurality of second grooves are provided at the bottom of the third grooves. The second grooves penetrate the vibration damper, and the inner diameter of the second grooves is smaller than the inner diameter of the third grooves. The fixing cover has a plurality of claws, and a support column is provided on each claw. A fixing cone is provided at the end of the support column facing away from the claws, and the diameter of the fixing cone is larger than the diameter of the support column. The claws are arranged in a one-to-one correspondence with the second grooves, and the fixing cone passes through the second grooves via the support column and is installed in the third groove.

[0014] In some embodiments, the motor structure further includes a mounting bracket, which is U-shaped. A fifth groove is provided at the end of the side wall of the mounting bracket. The fifth groove penetrates the side wall of the mounting bracket along the thickness direction. A fixing groove is provided on the vibration damper, which matches the fifth groove. The vibration damper is mounted on the mounting bracket through the fixing groove and the fifth groove.

[0015] In some embodiments, the end of the mounting bracket is provided with two fixing parts, the fifth groove is located between the two fixing parts, the vibration damper is provided with two mounting platforms, the mounting platforms are arranged opposite to the fixing parts, the mounting platforms are provided with a third mounting hole, and the fixing parts are provided with a sixth mounting hole.

[0016] In some embodiments, the fixing cover is provided with two first mounting parts, which are arranged one-to-one with the fixing parts. The first mounting part is provided with a limiting baffle on the side facing the vibration damper. The first mounting part is provided with a fifth mounting hole. The limiting baffle is located between the side wall of the mounting frame and the end cover.

[0017] In some embodiments, the fixing cover is provided with a second mounting part, the side wall of the mounting frame is provided with a through hole, the inner side wall of the mounting frame is provided with a second limiting member, and the outer side wall of the mounting frame is provided with a first limiting member. The first limiting member and the second limiting member are arranged opposite to the through hole, and with the ground as the horizontal plane, the first limiting member and the second limiting member are staggered along the height direction of the mounting frame. The second mounting part can extend between the first limiting member and the side wall of the mounting frame, or the second mounting part can extend between the second limiting member and the side wall of the mounting frame.

[0018] In some embodiments, a fourth groove is provided at one end of the second mounting portion facing away from the fixing cover. The fourth groove penetrates the second mounting portion along the thickness direction of the second mounting portion and divides the end of the second mounting portion into a first portion and a second portion. The first portion can extend between the first limiting member and the side wall of the mounting frame, and the second portion can extend between the second limiting member and the side wall of the mounting frame.

[0019] In some embodiments, the inner wall of the fixing cover is provided with a plurality of reinforcing ribs along the radial direction of the fixing cover. The fixing cover is provided with a fourth mounting hole, through which the rotating shaft passes. The plurality of reinforcing ribs are arranged circumferentially at intervals along the fourth mounting hole, and a water guide groove is formed between two adjacent reinforcing ribs.

[0020] The motor structure provided by this invention has the following beneficial effects: By installing a vibration damping component on the end cover and a fixing cover on the vibration damping component, the motor can be mounted on a bracket through the fixing cover and the vibration damping component. The fixing cover achieves vibration damping through the vibration damping component. Furthermore, when water flows from between the fixing cover and the shaft to the end cover 9, the water collects in the first chamber due to the drainage hole on the fixing cover and the first chamber enclosed between the fixing cover and the vibration damping component. Then, under the action of gravity, it is discharged from the drainage hole. This not only provides effective vibration damping but also provides higher water protection for the motor output shaft end. The structure is simple, improves the reliability of the motor, increases the production efficiency of the motor, and reduces the production cost of the motor. Attached Figure Description

[0021] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. The drawings described below are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0022] Figure 1 This is an assembly structure diagram of an existing type of motor; Figure 2 This is an assembly structure diagram of the rotating shaft in the motor structure of the present invention; Figure 3 This is a schematic diagram of the end cover structure in the motor structure of the present invention. Figure 1 ; Figure 4 This is a schematic diagram of the end cover structure in the motor structure of the present invention. Figure 1 ; Figure 5 This is a schematic diagram of the water-blocking rubber ring in the motor structure of the present invention. Figure 1 ; Figure 6 This is a schematic diagram of the water-blocking rubber ring in the motor structure of the present invention. Figure 2 ; Figure 7 This is a schematic diagram of the vibration damping component in the motor structure of the present invention. Figure 1 ; Figure 8 This is a schematic diagram of the vibration damping component in the motor structure of the present invention. Figure 2 ; Figure 9 This is a schematic diagram of the vibration damping component in the motor structure of the present invention. Figure 3 ; Figure 10 This is a schematic diagram of the fixing cover in the motor structure of the present invention. Figure 1 ; Figure 11 This is a schematic diagram of the fixing cover in the motor structure of the present invention. Figure 2 ; Figure 12 This is a schematic diagram of the mounting bracket in the motor structure of the present invention; Figure 13 This is the assembly structure of the motor structure of the present invention. Figure 1 ; Figure 14 This is the assembly structure of the motor structure of the present invention. Figure 2 ; Figure 15 This is the assembly structure of the motor structure of the present invention. Figure 3 ; Figure 16 This is a partial cross-sectional view of the motor structure of the present invention.

[0023] The attached figures are labeled as follows: 1. Mounting buckle; 2. Bracket; 3. Shock-absorbing rubber ring; 4. Fixing clip; 5. Housing; 6. Shaft; 7. Mounting groove; 8. Bearing; 9. End cap; 10. Mounting protrusion; 11. Limiting boss; 12. Water-blocking boss; 13. First mounting hole; 14. Bearing chamber; 15. Water-blocking rubber ring; 16. Second mounting hole; 17. First groove; 18. Vibration damping component; 19. Mounting boss; 20. Mounting platform; 21. Third mounting hole; 22. Limiting groove; 23. Second groove; 24. Third groove; 25. 26. Installation position; 27. Water guide surface; 28. Mounting surface; 29. ​​Fixing cover; 30. Support column; 31. Fixing cone; 32. Drain hole; 33. Reinforcing rib; 34. Fourth mounting hole; 35. First mounting part; 36. Second mounting part; 37. Fifth mounting hole; 38. Limiting baffle; 39. Claw part; 40. Fourth groove; 41. Support part; 42. Mounting bracket; 43. Second limiting member; 44. Fifth groove; 45. Fixing part; 46. Sixth mounting hole; 47. First limiting member; 48. Fixing groove. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this invention; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0026] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0027] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this invention.

[0028] See also Figure 2-16As shown, according to an embodiment of the present invention, a motor structure is provided, including: a housing 5 and a rotating shaft 6. End caps 9 are provided at both ends of the housing 5. The rotating shaft 6 is located inside the housing 5, and both ends of the rotating shaft 6 extend out of the housing 5 after passing through the end caps 9. A vibration damping member 18 is provided on the side of the end caps 9 facing away from the housing 5. A fixing cover 28 is provided on the vibration damping member 18. A first chamber is enclosed between the fixing cover 28 and the vibration damping member 18. The rotating shaft 6 passes through the vibration damping member 18 and the fixing cover 28 in one pass. A drain hole 31 is provided on the fixing cover 28, and liquid in the first chamber can be discharged from the drain hole 31. In this technical solution, a vibration damping element 18 is provided on the end cover 9, and a fixing cover 28 is provided on the vibration damping element 18. The motor can be mounted on the bracket through the fixing cover 28 and the vibration damping element 18. The fixing cover 28 achieves vibration damping through the vibration damping element 18. Furthermore, when water flows from between the fixing cover 28 and the rotating shaft 6 to the end cover 9, since the fixing cover 28 is provided with a drain hole 31, and a first chamber is enclosed between the fixing cover 28 and the vibration damping element 18, the water collects in the first chamber under the blocking effect of the vibration damping element 18, and then is discharged from the drain hole 31 under the action of gravity. This can effectively dampen vibration and provide higher water protection for the output shaft end of the motor. The structure is simple, improves the reliability of the motor, improves the production efficiency of the motor, and reduces the production cost of the motor.

[0029] In some embodiments, the motor of the present invention is a horizontal motor, which is mounted on a motor bracket. The housing 5 contains a stator and a rotor, and the rotating shaft 6 is installed inside the rotor. The stator is sleeved on the rotor. The structure of the stator, rotor and rotating shaft 6 is the existing motor structure.

[0030] In some implementations, the damping element uses a damping rubber ring.

[0031] In some embodiments, the end cap 9 has a mounting protrusion 10 on the side facing away from the housing 5, and a sixth groove on the side facing the interior of the housing 5. The mounting protrusion 10 has a first mounting hole 13 that penetrates the mounting protrusion 10, and one end of the first mounting hole 13 is located at the bottom of the sixth groove. The sixth groove forms a bearing chamber 14. A bearing 8 is mounted on the rotating shaft 6 and installed in the bearing chamber 14. The rotating shaft 6 passes through the first mounting hole 13.

[0032] In this technical solution, see [reference] Figure 3 and Figure 4 As shown, by providing a sixth groove on the side of the end cap 9 facing the inside of the housing 5, the sixth groove forms a bearing chamber 14, the outer wall of the bearing 8 is interference-fitted or fixedly connected to the side wall of the sixth groove, and the rotating shaft 6 is interference-fitted or fixedly connected to the inner wall of the bearing 8, thereby ensuring the rotation of the rotating shaft 6.

[0033] In some embodiments, a sixth groove is provided on the side of the end cover 9 facing the interior of the housing 5, and the sixth groove penetrates the end cover 9. A seventh groove is provided on the side of the mounting protrusion 10 facing the end cover 9. The opening of the seventh groove is located at the bottom of the sixth groove, and the opening of the sixth groove is larger than the opening of the seventh groove. The seventh groove forms a bearing chamber 14, and the bearing 8 is installed in the seventh groove. The first mounting hole 13 is located at the bottom of the seventh groove, so that the bearing 8 is located inside the end cover 9, increasing the space inside the motor housing 5 and improving the heat dissipation efficiency of the motor.

[0034] It should be noted that the end cap 9 and the mounting protrusion 10 are integrally molded.

[0035] In some embodiments, a water-blocking boss 12 is provided on the side of the mounting protrusion 10 facing away from the end cover 9. The water-blocking boss 12 is annular and is arranged opposite to the first mounting hole 13. The inner diameter of the water-blocking boss 12 is the same as the inner diameter of the first mounting hole 13. The rotating shaft 6 passes through the first mounting hole 13 and the water-blocking boss 12 in sequence. The water-blocking boss 12 is located between the vibration damper 18 and the rotating shaft 6.

[0036] In this technical solution, the water-blocking boss 12 can prevent wear between the vibration damper 18 and the rotating shaft 6, which would affect the rotation of the rotating shaft 6. The rotating shaft through hole on the vibration damper 18 can be sleeved on the water-blocking boss 12, thereby preventing water on the vibration damper 18 from flowing radially to the rotating shaft 6 and then into the motor.

[0037] In some embodiments, the outer peripheral wall of the mounting protrusion 10 is provided with a plurality of limiting protrusions 11, which are arranged at intervals along the circumference of the mounting protrusion 10. The vibration damping member 18 is provided with an eighth groove on the side facing the housing 5. The bottom of the eighth groove is provided with a through hole, through which the rotating shaft 6 passes. The side wall of the eighth groove is provided with a plurality of limiting grooves 22, which are arranged in a one-to-one correspondence with the limiting protrusions 11. The vibration damping member 18 is sleeved on the mounting protrusion 10 through the eighth groove.

[0038] In this technical solution, along the axial direction of the rotating shaft 6, one side of the limiting groove 22 passes through the side of the damper 18 facing the housing 5, thereby facilitating the insertion of the limiting boss 11 into the limiting groove 22. Through the cooperation between the limiting groove 22 and the limiting boss 11, when the mounting protrusion 10 is installed in the eighth groove, the limiting groove 22 and the limiting boss 11 provide circumferential limiting for the damper 18, and provide axial limiting for the displacement of the damper 18 by the mounting protrusion 10, thereby preventing the damper 18 from shifting.

[0039] In some embodiments, the vibration damper 18 has a mounting boss 19 on the side facing away from the housing 5. The mounting boss 19 is annular. The vibration damper 18 has a through hole through which the rotating shaft 6 passes. The mounting boss 19 and the through hole are concentric. The inner diameter of the mounting boss 19 is larger than the diameter of the through hole. The inner diameter of the mounting boss 19 gradually decreases along the direction of the vibration damper 18 toward the housing 5. The inner peripheral wall of the mounting boss 19 forms a water guiding surface 26, and the outer peripheral wall of the mounting boss 19 forms a mounting surface 27. The water guiding surface 26 is arranged opposite to the drain hole 31, and the mounting surface 27 is in contact with the inner wall of the fixing cover 28.

[0040] In this technical solution, the inner diameter of the mounting boss 19 gradually decreases along the direction from the damping member 18 toward the housing 5, meaning the mounting boss 19 is funnel-shaped. When water flows toward the housing 5, due to the gradually decreasing inner diameter of the mounting boss 19, the water will flow away from the housing 5 under the action of the guide surface 26, thus flowing toward the drain hole 31. It should be noted that the guide surface 26 and the drain hole 31 are arranged opposite to each other. (See also...) Figure 16 As shown, the end of the water guiding surface 26 is located at the drain hole 31. When water flows along the water guiding surface 26, it flows to the drain hole 31 under the guidance of the water guiding surface 26. Furthermore, in order to facilitate the discharge of water, when the motor is arranged horizontally, the drain hole 31 is located at the lower part of the fixed cover 28.

[0041] In some embodiments, the mounting boss 19 forms a mounting position 25, the rotating shaft 6 is provided with a mounting groove 7, the mounting groove 7 is located between the mounting boss 19 and the fixing cover 28, the mounting groove 7 is provided with a water-blocking rubber ring 15, the water-blocking rubber ring 15 has a second mounting hole 16, and the water-blocking rubber ring 15 is mounted on the mounting groove 7 through the second mounting hole 16.

[0042] In this technical solution, the water flowing into the shaft hole of the fixing cover 28 is blocked by the water-blocking rubber ring 15, preventing water from flowing towards the vibration damping component 18. The mounting groove 7 is annular.

[0043] In some embodiments, the outer peripheral wall of the water-blocking rubber ring 15 is provided with a first groove 17, the first groove 17 extends circumferentially along the water-blocking rubber ring 15, the first groove 17 has a first side close to the vibration damper 18 and a second side away from the vibration damper 18, the first side is located in the mounting position 25, the second side is located between the mounting boss 19 and the fixing cover 28, and the outer diameter of the first side is larger than the outer diameter of the second side.

[0044] In this technical solution, there are gaps between the end of the second side and the inner wall of the fixed cover 28, and between the end of the first side and the water guiding surface, to prevent friction between the two parts. The inner cavity of the waterproof fixed cover 28 is inclined. In actual use, water may have a certain impact force to rush in from the shaft hole. When the motor is running, the water-blocking rubber ring 15 rotates and can throw the water onto the inner wall of the waterproof fixed cover 28. In the horizontal position, it may pass over the outer water-blocking lip, which is the second side. When it drips down, it can be blocked by the inner water-blocking lip, which is the first side. Moreover, the inner water-blocking lip needs to be large enough, otherwise, when the water volume is large, there is still a possibility of further spreading inward. The inner water-blocking lip extends into the water guiding surface to ensure multiple lines of defense. If the size of the inner water-blocking lip is too small, the waterproof effect will not be achieved. When the motor is not running and encounters water impact, the outer water-blocking lip and the inner water-blocking lip can continuously block the water force. The larger outer diameter of the inner water-blocking lip can achieve the best blocking effect.

[0045] In some embodiments, the vibration damper 18 has a plurality of third grooves 24 on the side facing the housing 5, and a plurality of second grooves 23 are provided at the bottom of the third grooves 24. The second grooves 23 penetrate the vibration damper 18, and the inner diameter of the second grooves 23 is smaller than the inner diameter of the third grooves 24. The fixing cover 28 is provided with a plurality of claws 38, and a support column 29 is provided on the claws 38. A fixing cone 30 is provided at the end of the support column 29 facing away from the claws 38. The diameter of the fixing cone 30 is larger than the diameter of the support column 29. The claws 38 are arranged in a one-to-one correspondence with the second grooves 23. The fixing cone 30 passes through the support column 29 through the second groove 23 and is installed in the third groove 24.

[0046] In this technical solution, the claw 38 is located above the fixing cover 28. The fixing cone 30 can be frustum-shaped, with its larger diameter end connected to the support column 29, so that the fixing cone 30 can pass through the second groove 23. The minimum diameter of the fixing cone 30 is smaller than the inner diameter of the second groove 23, and the maximum diameter of the fixing cone 30 is larger than the inner diameter of the second groove 23. The support column 29 matches the second groove 23, thereby fixing the vibration damping member 18 to the fixing cover 28.

[0047] In some embodiments, reinforcing ribs may be provided on the fixing cover 28 and the claw portion 38 to improve the structural strength of the claw portion 38.

[0048] In some embodiments, the motor structure further includes a mounting bracket 41, which is U-shaped. A fifth groove 43 is provided at the end of the side wall of the mounting bracket 41. The fifth groove 43 penetrates the side wall of the mounting bracket 41 along the thickness direction of the side wall. A fixing groove 47 is provided on the vibration damper 18. The fixing groove 47 matches the fifth groove 43. The vibration damper 18 is mounted on the mounting bracket 41 through the fixing groove 47 and the fifth groove 43.

[0049] In this technical solution, the fifth groove 43 is arc-shaped, the fixing groove 47 extends circumferentially along the damper 18, and the end of the side wall of the mounting bracket 41 refers to the end of the side wall of the mounting bracket 41 located at the opening of the mounting bracket 41. The damper 18, through the fixing groove 47, engages the side wall of the mounting bracket 41 of the fifth groove 43 into the fixing groove 47, thereby forming an installation of the damper 18 between the mounting bracket 41 and the damper without the need for other fixing components, so that the damper 18 achieves a vibration damping effect relative to the mounting bracket 41. It should be noted that the structures of the two side walls of the mounting bracket 41 are identical.

[0050] In some embodiments, the end of the mounting bracket 41 is provided with two fixing parts 44, the fifth groove 43 is located between the two fixing parts 44, the vibration damper 18 is provided with two mounting platforms 20, the mounting platforms 20 are arranged opposite to the fixing parts 44, the mounting platforms 20 are provided with a third mounting hole 21, and the fixing parts 44 are provided with a sixth mounting hole 45.

[0051] In this technical solution, the vibration damper 18 is fixed to the mounting frame 41 via the mounting platform 20 and the fixing part 44. Furthermore, the vibration damper 18 can be fixed to the mounting frame 41 by screws or pins passing through the third mounting hole 21 and the sixth mounting hole 45. It should be noted that the mounting platform 20 and the fixing part 44 have a plate-like structure. The fixing groove 47 is located between the two mounting platforms 20.

[0052] In some embodiments, the fixing cover 28 is provided with two first mounting parts 34, which are arranged in a one-to-one correspondence with the fixing part 44. The first mounting part 34 is provided with a limiting baffle 37 on the side facing the vibration damper 18. The first mounting part 34 is provided with a fifth mounting hole 36. The limiting baffle 37 is located between the side wall of the mounting frame 41 and the end cover 9.

[0053] In this technical solution, the fixing cover 28, the vibration damping member 18 and the mounting member 41 are installed together through the first mounting part 34, the mounting platform 20 and the fixing part 44. The mounting platform 20 is located between the first mounting part 34 and the fixing part 44. The mounting platform 20 and the fixing part 44 are located on the side of the limiting baffle 37 facing away from the end cover 9, thereby limiting the mounting platform 20 and the fixing part 44. The first mounting part 34, the mounting platform 20 and the fixing part 44 are connected together by screws or pins passing through the fifth mounting hole 36, the third mounting hole 21 and the sixth mounting hole 45 in sequence.

[0054] In some embodiments, the fixing cover 28 is provided with a second mounting part 35, the side wall of the mounting frame 41 is provided with a through hole, the inner side wall of the mounting frame 41 is provided with a second limiting member 42, and the outer side wall of the mounting frame 41 is provided with a first limiting member 46. The first limiting member 46 and the second limiting member 42 are arranged opposite to the through hole, and with the ground as the horizontal plane, the first limiting member 46 and the second limiting member 42 are staggered along the height direction of the mounting frame 41. The second mounting part 35 can extend between the first limiting member 46 and the side wall of the mounting frame 41, or the second mounting part 35 can extend between the second limiting member 42 and the side wall of the mounting frame 41.

[0055] In this technical solution, the fixing cover 28 is fixed by inserting the second mounting part 35 between the first limiting member 46 and the side wall of the mounting frame 41, or between the second limiting member 42 and the side wall of the mounting frame 41. No other fixing parts are required, the assembly is simple and the installation is stable.

[0056] The motor structure of this invention includes a rotor assembly, a stator assembly, and end caps at both ends. Shock-absorbing rubber rings are sequentially installed on the end caps, a water-blocking rubber ring is installed on the shaft, and a waterproof fixing cover is fitted in. The motor is then vertically mounted on a motor bracket and secured with screws and nuts. The shock-absorbing rubber ring is deformed by compression, and its mounting groove engages with the limiting boss of the end cap for fixation. The annular water-blocking rubber ring has an outward-flared outer water-blocking lip and a slightly larger-diameter inward-flared inner water-blocking lip, which is inserted into the mounting groove on the rotating shaft and rotates with the shaft. Multiple sets of support columns and fixing cones on the upper and lower mounting portions of the waterproof fixing cover are respectively inserted into the countersunk holes of the shock-absorbing rubber ring and are compressed and fixed. The inward-facing cup-shaped opening of the waterproof portion is compressed and fixed to the mounting boss of the shock-absorbing rubber ring. The semi-circular limiting groove below the shock-absorbing rubber ring mates with the motor limiting part of the mounting bracket. The mounting teeth below the waterproof fixing cover insert into the mounting part of the fixing cover of the mounting bracket and are limited by the inner and outer limiting clips. The horizontal mounting parts on the left and right sides of the waterproof fixing cover are aligned with the mounting platform of the shock-absorbing rubber ring and the mounting platform of the mounting bracket in sequence, and their limiting baffles are inserted into the inner side of the motor support part of the mounting bracket. Screws are connected and fixed with nuts in sequence through the mounting holes of the horizontal mounting part of the waterproof fixing cover, the mounting holes of the shock-absorbing rubber ring mounting platform, and the mounting holes of the rubber ring mounting platform of the mounting bracket. The shock absorption system achieves soft contact between the motor end cover and the mounting bracket through the shock-absorbing rubber ring. The waterproof system blocks water ingress through the outer water-blocking lip, the inner water-blocking lip of the water-blocking rubber ring, and the water-guiding surface of the shock-absorbing rubber ring in sequence, and guides the water through the guide groove inside the waterproof fixing cover. The water collects at the lowest point and flows out through the drip hole.

[0057] The motor structure of this invention improves the waterproof capability of the shaft end of a horizontal motor with a bracket. Most of the water splashing in from the gap in the shaft end mounting hole is blocked by the outward-flaring outer water-retaining lip of the water-retaining ring and thrown onto the guide groove of the waterproof fixing cover. The remaining small portion is blocked and thrown away by the inward-flaring inner water-retaining lip of the water-retaining ring, and further inward by the water-guiding surface of the shock-absorbing ring. Finally, it collects at the lowest point through the guide groove and is discharged through the drip hole. This meets the motor's vibration damping requirements, and the shock-absorbing ring provides soft contact between the motor end cover and the mounting bracket. With fewer parts and fewer installation steps, the waterproof fixing cover is inserted into the fixing cover mounting part of the mounting bracket using the mounting teeth at the bottom. The inner and outer limit clips limit the horizontal position. The limit baffles on the left and right sides of the waterproof fixing cover are locked into the motor limit part of the mounting bracket for horizontal positioning. The screws pass through the mounting holes on the aligned left and right sides of the waterproof fixing cover, the mounting platform of the shock-absorbing rubber ring, and the mounting platform of the mounting bracket in sequence, and are connected and fixed with nuts to achieve the overall connection and installation of the motor shock-absorbing rubber ring, the waterproof fixing cover, and the mounting bracket.

[0058] In some embodiments, a fourth groove 39 is provided at one end of the second mounting portion 35 facing away from the fixing cover 28. The fourth groove 39 penetrates the second mounting portion 35 along the thickness direction of the second mounting portion 35. The fourth groove 39 divides the end of the second mounting portion 35 into a first part and a second part. The first part can extend between the first limiting member 46 and the side wall of the mounting bracket 41, and the second part can extend between the second limiting member 42 and the side wall of the mounting bracket 41.

[0059] In this technical solution, the end of the second mounting part 35 is divided into a first part and a second part by the fourth groove 39. The first part can extend between the first limiting member 46 and the side wall of the mounting bracket 41, and the second part can extend through the through hole between the second limiting member 42 and the side wall of the mounting bracket 41, so that the second mounting part 35 and the inner and outer side walls of the mounting bracket 41 are clamped and fixed.

[0060] In some embodiments, the second mounting portion 35 includes a support portion 40 located between the fourth groove 39 and the fixing cover 38. The support portion 40 extends in an S-shape. Since the fixing cover 28 is located outside the vibration damper 18, the second mounting portion 35 extends toward the mounting bracket 41 to meet the installation requirements of the second mounting portion 35 and the mounting bracket 41.

[0061] In some embodiments, a reinforcing rib is provided between the second mounting part 35 and the fixing cover 28 to meet the installation strength requirements of the second mounting part 35.

[0062] In some embodiments, the inner wall of the fixing cover 28 is provided with a plurality of reinforcing ribs 32, the reinforcing ribs 32 are radially arranged along the fixing cover 28, the fixing cover 28 is provided with a fourth mounting hole 33, the rotating shaft 6 passes through the fourth mounting hole 33, the plurality of reinforcing ribs 32 are arranged circumferentially at intervals along the fourth mounting hole 33, and a water guide groove is formed between two adjacent reinforcing ribs 32.

[0063] In this technical solution, see [reference] Figure 11 As shown, the reinforcing rib 32 not only improves the structural strength of the fixing cover 28, but also guides the water on the inner wall of the fixing cover 28, thereby causing the water inside the fixing cover 28 to flow towards the drain hole 31. The fixing cover 28 is fitted onto the mounting surface 27.

[0064] In some embodiments, the height of the reinforcing rib 32 gradually decreases along the direction of the fixed cover 28 toward the end cap 9, so as to facilitate the water flow to the drain hole 31. Here, the height refers to the height of the reinforcing rib 32 relative to the inner wall of the fixed cover 28.

[0065] The motor structure of this invention simultaneously meets the requirements for motor vibration reduction and waterproofing, providing both effective vibration reduction and enhanced protection for the motor output shaft end. It improves the waterproofing capability of the shaft end of horizontal motors with supports; enhances motor vibration reduction performance; reduces the number of parts, simplifies the installation structure, and improves production efficiency; the multi-functionality of the parts also reduces installation connections, minimizing potential quality issues and improving installation reliability; and the included drip holes allow water to drain out, preventing excessive water accumulation inside the motor.

[0066] See also Figure 1 As shown, the shock-absorbing rubber rings of traditional horizontal motors with brackets require multiple mounting clips in conjunction with mounting brackets and fixing clips to fix the motor and provide a shock-absorbing effect. This results in many parts, inconvenient operation, and low production efficiency.

[0067] See also Figure 3 and Figure 4 As shown, in the motor structure of the present invention, the end cover includes a bearing chamber and a mounting hole. The outer side of the bearing chamber is a mounting boss, and at least four radially protruding limiting bosses are evenly distributed on the outer side of the annular boss. The top of the annular boss is provided with an annular water-blocking boss.

[0068] See also Figure 2 As shown, the motor structure of the present invention has a motor rotor in the middle section of the shaft, two bearings on both sides, and a mounting groove on the outer side of the bearing.

[0069] See also Figure 5 and Figure 6 As shown, in the motor structure of the present invention, the water baffle ring is an overall annular elastic element with a mounting hole in the middle. The annular outward-facing flange is the outer water baffle lip, and the inward-facing flange is the inner water baffle lip. The diameter of the outer water baffle lip is slightly larger than the diameter of the inner water baffle lip.

[0070] See also Figures 7 to 9 As shown, the vibration damping component in the motor structure of this invention uses a damping rubber ring, which is an overall annular elastic component. The upper half of the annulus has at least three countersunk holes, and the lower half has at least one countersunk hole, with the larger hole facing inward and the smaller hole facing outward. A mounting position is located in the middle of the annulus, with an annular boss on the outer side, its outer vertical surface being the mounting surface and its inner inclined surface being the water guiding surface; the mounting position has at least one evenly distributed mounting limiting groove on its inner side. The left and right sides of the annulus have outwardly extending mounting platforms with mounting holes. The lower half of the annulus has a semi-annular groove in the middle, serving as a limiting groove.

[0071] See also Figure 10 and Figure 11As shown, the waterproof mounting cover in the motor structure of this invention is an integral rigid injection molded part. The middle part is a bowl-shaped waterproof section with a mounting hole at the top. The upper half of the bowl-shaped section has at least three upward-facing mounting claws, the lower half has a downward-facing mounting section, and horizontal mounting sections extend from both sides. The bowl-shaped waterproof section has a small diameter at the top facing outwards and a mounting hole, and a large diameter at the bottom facing inwards. The inside of the bowl has multiple evenly distributed radial protrusions, serving as guide channels and also reinforcing the structural strength. A drip hole is located at the downward-facing position. The mounting claws extend horizontally inwards as cylindrical support columns, with a fixed conical column at the top. This conical column is domed and has the smallest outer diameter. The mounting section has several bent support sections designed according to size requirements. Its bottom downward-facing end has toothed mounting teeth, at least two teeth. The width and number of teeth can be increased if structural strength is required. It has support columns and fixed conical columns of the same size structure as described above in the inward direction. The horizontal mounting section has a horizontal mounting platform with a mounting hole, and a limiting baffle that bends inwards. The mounting teeth will sequentially insert into the positions of the outer and inner limit clips. These two limit clips restrict its movement, essentially acting as a thin piece inserted into a gap, with front and rear limits to prevent wobbling. Of course, the mounting section may have several bent support sections designed according to size requirements. Its bottommost point has toothed mounting teeth, at least two teeth; the width and number of teeth can be increased if structural strength is required. This part needs to withstand a certain bending force and also facilitate insertion into the limit clips, hence the toothed design to meet usage requirements; without teeth, it would easily break.

[0072] See also Figure 12 As shown, the mounting bracket in the motor structure of this invention is formed by sheet metal stamping and bending. There is an upward-facing motor support on each side, and a semi-circular motor limiting part with an upward opening. Each of these has a horizontally folded rubber ring mounting part on each side of its top, and a fixing cover mounting part in its center. The rubber ring mounting part includes a mounting platform with mounting holes. The fixing cover mounting part has an outer limiting clip stamped outwards and an inner limiting clip stamped inwards.

[0073] The motor structure assembly method of the present invention is as follows: 1. Install the motor stator into the housing to form the stator assembly; install one end cover, put in the rotor assembly, and then install the other end cover; fix the end cover with screws or other means. 2. Install the shock-absorbing rubber rings onto the end covers and the water-blocking rubber rings onto the rotor assembly, respectively, on both sides, as shown in the image. Figure 8 As shown; 3. The waterproof mounting cover is horizontally fitted onto the rotor assembly and fixed to the shock-absorbing rubber ring. The horizontal mounting part is aligned with the mounting platform, with one cover on each side. Figure 9 As shown; 4. Install the entire unit vertically downwards into the mounting bracket. The limiting groove of the shock-absorbing rubber ring should be engaged with the motor limiting part. Screws and nuts should pass through the rubber ring mounting platform from top to bottom and connect and fix it to the horizontal mounting part and the mounting platform. The mounting teeth should be inserted into the mounting part of the fixing cover. Figure 10 As shown, the overall motor assembly is complete.

[0074] Furthermore, see also Figure 13 and Figure 16 As shown, when the shock-absorbing rubber ring is installed on the end cover, the mounting position is fitted into the mounting boss, with the limiting groove facing downwards and the mounting boss facing outwards. The mounting limiting groove and the limiting boss cooperate for installation. The mounting limiting groove is smaller in size, while the limiting boss is larger in size. Because the shock-absorbing rubber ring is made of elastic material, it is pressed and fixed on the end cover. The water-blocking rubber ring is fitted into the mounting groove of the rotor assembly, with the outer water-blocking lip facing outwards and the inner water-blocking lip facing inwards. The diameter of the mounting hole is slightly smaller than the mounting groove, and it is pressed and fixed on the rotating shaft, rotating with the rotor assembly.

[0075] Furthermore, see also Figure 14 and Figure 16 As shown, the waterproof mounting cover is fitted onto the rotor assembly and fixed to the shock-absorbing rubber ring. The diameter of the mounting hole is slightly larger than the shaft and does not rotate with the rotor assembly. The horizontal mounting platform is aligned with the mounting platform, and the mounting holes are aligned with each other. The limiting baffle is clipped onto the side of the mounting platform, facing the motor end cover. The three sets of upper support columns, the fixed cone column, and the one set of lower support columns and the fixed cone column are pressed into the countersunk holes, with the bottom of the cone column clipped onto the diameter division surface of the countersunk hole for limiting. The inner ring of the waterproof part is pressed against the mounting boss, and the mounting boss does not obstruct the drip hole. The water-blocking rubber ring is between the waterproof mounting cover and the shock-absorbing rubber ring but does not contact either of them.

[0076] Furthermore, see also Figure 15 and Figure 16 As shown, the motor is installed vertically downwards into the mounting bracket. The limiting groove below the shock-absorbing rubber ring is engaged with the motor limiting part. The limiting baffle is engaged on the inner side of the top of the motor support part for horizontal limiting. The rubber ring mounting platform is aligned with the horizontal mounting part and the mounting platform. The mounting teeth are installed into the fixing cover mounting part and are horizontally limited by the outer limiting card and the inner limiting card. Screws and nuts pass through the mounting holes from top to bottom in sequence for connection and fixation. The motor, shock-absorbing rubber ring, waterproof fixing cover, and mounting bracket are installed as an integral structure.

[0077] See vibration damping system in conjunction with Figure 15 and Figure 16 As shown, the end cap and the mounting bracket are provided with soft contact damping by a shock-absorbing rubber ring, the mounting position is fitted on the mounting boss, and the limiting groove is locked on the motor limiting part.

[0078] Waterproofing system combined with reference Figure 16As shown, water splashes in through the gap between the rotor assembly and the mounting hole. Most of the water is blocked by the outward-facing outer water-blocking lip of the water-blocking rubber ring. When the motor rotates, the water is thrown onto the guide groove of the waterproof fixing cover and flows down to the lower part of the waterproof section. After being blocked by the mounting position, it collects at the lowest point and is discharged through the drip hole. A small amount of water may splash further and be blocked by the inner water-blocking lip of the inner flange. It flows down to the guide groove through the lowest point between the two flanges. The water that is thrown off is blocked by the water guide surface, collects at the lowest point, and is discharged through the drip hole at the lowest point.

[0079] It will be readily understood by those skilled in the art that, without conflict, the advantageous technical features of the above-mentioned methods can be freely combined and superimposed.

[0080] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention. The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the protection scope of the present invention.

Claims

1. A motor structure, characterized in that: include: The housing (5) and the rotating shaft (6) are provided with end caps (9) at both ends of the housing (5). The rotating shaft (6) is located inside the housing (5) and both ends of the rotating shaft (6) extend out of the housing (5) after passing through the end caps (9). A damping member (18) is provided on the side of the end caps (9) facing away from the housing (5). A fixing cover (28) is provided on the damping member (18). A first chamber is enclosed between the fixing cover (28) and the damping member (18). The rotating shaft (6) passes through the damping member (18) and the fixing cover (28) at one time. A drain hole (31) is provided on the fixing cover (28). Liquid in the first chamber can be discharged from the drain hole (31).

2. The motor structure according to claim 1, characterized in that: The end cap (9) has a mounting protrusion (10) on the side facing away from the housing (5), and a sixth groove on the side facing the inside of the housing (5). The mounting protrusion (10) has a first mounting hole (13) which penetrates the mounting protrusion (10). One end of the first mounting hole (13) is located at the bottom of the sixth groove. The sixth groove forms a bearing chamber (14). A bearing (8) is provided on the shaft (6). The bearing (8) is installed in the bearing chamber (14). The shaft (6) passes through the first mounting hole (13).

3. The motor structure according to claim 2, characterized in that: The mounting protrusion (10) is provided with a water-blocking protrusion (12) on the side facing away from the end cover (9). The water-blocking protrusion (12) is annular. The water-blocking protrusion (12) is arranged opposite to the first mounting hole (13), and the inner diameter of the water-blocking protrusion (12) is the same as the inner diameter of the first mounting hole (13). The rotating shaft (6) passes through the first mounting hole (13) and the water-blocking protrusion (12) in sequence. The water-blocking protrusion (12) is located between the vibration damper (18) and the rotating shaft (6).

4. The motor structure according to claim 2, characterized in that: The outer peripheral wall of the mounting protrusion (10) is provided with a plurality of limiting protrusions (11), and the plurality of limiting protrusions (11) are arranged at intervals along the circumference of the mounting protrusion (10). The vibration damper (18) is provided with an eighth groove on the side facing the housing (5). The bottom of the eighth groove is provided with a through hole, and the rotating shaft (6) passes through the through hole. The side wall of the eighth groove is provided with a plurality of limiting grooves (22), and the limiting grooves (22) are arranged in a one-to-one correspondence with the limiting protrusions (11). The vibration damper (18) is sleeved on the mounting protrusion (10) through the eighth groove.

5. The motor structure according to claim 1, characterized in that: The damping member (18) has a mounting boss (19) on the side facing away from the housing (5). The mounting boss (19) is annular. The damping member (18) has a through hole. The rotating shaft (6) passes through the through hole. The mounting boss (19) and the through hole are concentric. The inner diameter of the mounting boss (19) is larger than the diameter of the through hole. Along the direction of the damping member (18) toward the housing (5), the inner diameter of the mounting boss (19) gradually decreases. The inner peripheral wall of the mounting boss (19) forms a water guiding surface (26). The outer peripheral wall of the mounting boss (19) forms a mounting surface (27). The water guiding surface (26) is arranged opposite to the drain hole (31). The mounting surface (27) is in contact with the inner wall of the fixing cover (28).

6. The motor structure according to claim 5, characterized in that: An installation position (25) is formed in the mounting boss (19). An installation groove (7) is provided on the rotating shaft (6). The installation groove (7) is located between the mounting boss (19) and the fixing cover (28). A water-blocking rubber ring (15) is provided on the installation groove (7). The water-blocking rubber ring (15) has a second installation hole (16). The water-blocking rubber ring (15) is installed on the installation groove (7) through the second installation hole (16).

7. The motor structure according to claim 6, characterized in that: The outer peripheral wall of the water-blocking rubber ring (15) is provided with a first groove (17). The first groove (17) extends along the circumference of the water-blocking rubber ring (15). The first groove (17) has a first side close to the vibration damper (18) and a second side away from the vibration damper (18). The first side is located in the mounting position (25), and the second side is located between the mounting boss (19) and the fixing cover (28). The outer diameter of the first side is larger than the outer diameter of the second side.

8. The motor structure according to claim 1, characterized in that: The damping member (18) has a plurality of third grooves (24) on the side facing the housing (5). The bottom of the third groove (24) has a plurality of second grooves (23). The second grooves (23) penetrate the damping member (18). The inner diameter of the second grooves (23) is smaller than the inner diameter of the third grooves (24). The fixing cover (28) has a plurality of claws (38). The claws (38) have a support column (29). The end of the support column (29) facing away from the claws (38) has a fixing cone (30). The diameter of the fixing cone (30) is larger than the diameter of the support column (29). The claws (38) and the second grooves (23) are arranged in a one-to-one correspondence. The fixing cone (30) passes through the second groove (23) through the support column (29) and is installed in the third groove (24).

9. The motor structure according to claim 1, characterized in that: The motor structure also includes a mounting bracket (41), which is U-shaped. A fifth groove (43) is provided at the end of the side wall of the mounting bracket (41). The fifth groove (43) penetrates the side wall of the mounting bracket (41) along the thickness direction of the side wall. A fixing groove (47) is provided on the vibration damper (18). The fixing groove (47) matches the fifth groove (43). The vibration damper (18) is mounted on the mounting bracket (41) through the fixing groove (47) and the fifth groove (43).

10. The motor structure according to claim 9, characterized in that: The mounting bracket (41) has two fixing parts (44) at its end. The fifth groove (43) is located between the two fixing parts (44). The damping member (18) has two mounting platforms (20). The mounting platforms (20) are arranged opposite to the fixing parts (44). The mounting platforms (20) have a third mounting hole (21). The fixing parts (44) have a sixth mounting hole (45).

11. The motor structure according to claim 10, characterized in that: The fixing cover (28) is provided with two first mounting parts (34), and the first mounting parts (34) are arranged in a one-to-one correspondence with the fixing parts (44). The first mounting parts (34) are provided with a limiting baffle (37) on the side facing the vibration damper (18). The first mounting parts (34) are provided with a fifth mounting hole (36). The limiting baffle (37) is located between the side wall of the mounting frame (41) and the end cover (9).

12. The motor structure according to claim 9, characterized in that: The fixing cover (28) is provided with a second mounting part (35), the side wall of the mounting frame (41) is provided with a through hole, the inner side wall of the mounting frame (41) is provided with a second limiting member (42), and the outer side wall of the mounting frame (41) is provided with a first limiting member (46). The first limiting member (46), the second limiting member (42) and the through hole are arranged opposite to each other. With the ground as the horizontal plane, along the height direction of the mounting frame (41), the first limiting member (46) and the second limiting member (42) are staggered. The second mounting part (35) can extend into the space between the first limiting member (46) and the side wall of the mounting frame (41), or the second mounting part (35) can extend into the space between the second limiting member (42) and the side wall of the mounting frame (41).

13. The motor structure according to claim 12, characterized in that: The second mounting part (35) is provided with a fourth groove (39) at one end facing away from the fixed cover (28). Along the thickness direction of the second mounting part (35), the fourth groove (39) penetrates the second mounting part (35). The fourth groove (39) divides the end of the second mounting part (35) into a first part and a second part. The first part can extend between the first limiting member (46) and the side wall of the mounting bracket (41), and the second part can extend between the second limiting member (42) and the side wall of the mounting bracket (41).

14. The motor structure according to claim 1, characterized in that: The inner wall of the fixed cover (28) is provided with a plurality of reinforcing ribs (32), the reinforcing ribs (32) are arranged along the radial direction of the fixed cover (28), the fixed cover (28) is provided with a fourth mounting hole (33), the rotating shaft (6) passes through the fourth mounting hole (33), the plurality of reinforcing ribs (32) are arranged circumferentially along the fourth mounting hole (33), and a water guide groove is formed between two adjacent reinforcing ribs (32).

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