Motor, electromagnetic shock absorber, suspension assembly and vehicle with same

Abstract

The utility model discloses a motor, an electromagnetic shock absorber, a suspension assembly and a vehicle with the same, the motor comprises a mover assembly, the mover assembly is provided with a shell, one axial end of the shell is open to form an open hole, the inner circumferential wall of the open hole is provided with a mounting groove, and the mounting groove extends along the circumferential direction of the open hole to form a ring shape; part of the stator assembly is arranged in the open hole in a penetrating manner; the oil seal is arranged in the mounting groove and is in a ring shape extending in the circumferential direction of the open hole, and the inner circumferential wall of the oil seal abuts against the outer circumferential wall of the stator assembly. According to the motor provided by the utility model, on the basis of meeting the sealing requirement between the inner peripheral wall of the open hole and the outer peripheral wall of the stator assembly, the oil seal can be directly matched with the shell of the rotor assembly, the number of parts required for limiting the oil seal is reduced, the assembly difficulty and the disassembly difficulty of the oil seal are reduced, the oil seal is convenient to replace, and the service life of the motor is prolonged. Therefore, the structural complexity of the motor is reduced, and the maintenance cost of the motor is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a motor, an electromagnetic shock absorber, a suspension assembly and a vehicle having the same. Background Art

[0002] In the related art, in order to ensure the axial limitation of the oil seal, the port of the sleeve is usually bent so that the port has an inward flange to achieve the limitation and sealing of the oil seal. However, this limitation method requires more parts and a relatively complex structure, which often makes the replacement and disassembly of the oil seal more difficult. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a motor, which can reduce the number of parts, reduce the difficulty of assembling and disassembling the oil seal, and facilitate the replacement of the oil seal, thereby reducing the structural complexity of the motor and reducing the maintenance cost of the motor.

[0004] The utility model also provides an electromagnetic vibration absorber, which comprises the above-mentioned motor.

[0005] The utility model also provides a suspension assembly, which includes the electromagnetic shock absorber mentioned above.

[0006] The utility model also provides a vehicle, which comprises the above suspension assembly.

[0007] According to an embodiment of the utility model, the motor includes: a mover assembly, the mover assembly has a shell, one axial end of the shell is open to form an open hole, the inner circumferential wall of the open hole has a mounting groove, and the mounting groove extends in a ring shape along the circumferential direction of the open hole; a stator assembly, part of which is inserted into the open hole; an oil seal, the oil seal is arranged in the mounting groove and is in a ring shape extending in the circumferential direction of the open hole, and the inner circumferential wall of the oil seal abuts against the outer circumferential wall of the stator assembly.

[0008] According to the motor of the embodiment of the utility model, the housing of the movable assembly is provided with an open hole, and a mounting groove is provided on the inner circumferential wall of the open hole, and the oil seal is arranged in the mounting groove, and the inner circumferential wall of the oil seal abuts against the outer circumferential wall of the stator assembly. On the basis of satisfying the sealing requirement between the inner circumferential wall of the open hole and the outer circumferential wall of the stator assembly, the oil seal can be directly matched with the housing of the movable assembly, thereby reducing the number of parts required for the limit oil seal, reducing the difficulty of assembling and disassembling the oil seal, facilitating the replacement of the oil seal, thereby reducing the structural complexity of the motor and reducing the maintenance cost of the motor.

[0009] In addition, the motor according to the utility model may also have the following additional technical features:

[0010] In some embodiments, the shell includes: a shell body and a pressure plate, the pressure plate cover is arranged on one side of the axial direction of the shell body and is detachably connected to the shell body, the open hole passes through the shell body and the pressure plate, and the mounting groove is formed between the shell body and the pressure plate.

[0011] In some embodiments, a first groove is provided on a side of the shell body facing the pressure plate, the first groove extends in a ring shape along the circumferential direction of the open hole, the first groove is open on the side facing the center of the open hole, and the inner wall of the first groove and the surface of the pressure plate facing the shell body jointly define the mounting groove; or, a second groove is provided on a side of the pressure plate facing the shell body, the second groove extends in a ring shape along the circumferential direction of the open hole, the second groove is open on the side facing the center of the open hole, and the inner wall of the second groove and the surface of the shell body facing the pressure plate jointly define the mounting groove; or, a first groove is provided on a side of the shell body facing the pressure plate, the first groove extends in a ring shape along the circumferential direction of the open hole, the first groove is open on the side facing the center of the open hole, and a second groove is provided on a side of the pressure plate facing the shell body, the second groove extends in a ring shape along the circumferential direction of the open hole, the second groove is open on the side facing the center of the open hole, and the first groove and the second groove are relative and connected and jointly define the mounting groove.

[0012] In some embodiments, the pressure plate includes a pressing portion and a connecting portion, the connecting portion sleeve is connected to the outer side of the pressing portion, the mounting groove is located between the pressing portion and the shell body, and the connecting portion is detachably connected to the shell body.

[0013] In some embodiments, the pressure plate is connected to the shell body via fasteners.

[0014] In some embodiments, there are a plurality of fasteners, and the plurality of fasteners are evenly spaced apart along the circumferential direction of the pressure plate.

[0015] In some embodiments, the oil seal includes: an oil seal skeleton, at least a portion of which is located in the mounting groove; and a sealing portion, which is connected to an end of the oil seal skeleton that is away from the bottom wall of the mounting groove and abuts against the stator assembly.

[0016] In some embodiments, the sealing portion has a first lip and a second lip, and the first lip and the second lip are spaced apart along the axis of the open hole and abut against the outer peripheral wall of the stator assembly.

[0017] In some embodiments, in a direction from the bottom wall of the mounting groove to the open hole, a distance between the first lip and the second lip gradually increases.

[0018] In some embodiments, the oil seal also includes: a first clamp, which is sleeved outside the first lip and is used to drive the first lip to abut against the outer wall of the stator assembly; and / or a second clamp, which is sleeved outside the second lip and is used to drive the second lip to abut against the outer wall of the stator assembly.

[0019] In some embodiments, the oil seal also includes: an elastic seal, which is provided between at least one side of the oil seal skeleton along the axial direction of the open hole and the side wall of the mounting groove, and along the axial direction of the open hole, the height of the oil seal in an uncompressed state is greater than the height of the mounting groove.

[0020] In some embodiments, the stator assembly includes: a stator core shaft and an excitation assembly, the stator core shaft is inserted into the open hole, the excitation assembly is disposed in the outer shell and sleeved on the stator core shaft, and the inner circumferential wall of the oil seal is against the outer circumferential wall of the stator core shaft.

[0021] The utility model also provides an electromagnetic vibration absorber having the above embodiment.

[0022] According to the electromagnetic shock absorber of the embodiment of the utility model, by providing the above-mentioned motor, the housing of the movable component is provided with an open hole, and by providing a mounting groove on the inner peripheral wall of the open hole, the oil seal is arranged in the mounting groove, and the inner peripheral wall of the oil seal abuts against the outer peripheral wall of the stator component. On the basis of satisfying the sealing requirement between the inner peripheral wall of the open hole and the outer peripheral wall of the stator component, the oil seal can be directly matched with the housing of the movable component, the number of parts required for the limit oil seal is reduced, the difficulty of assembling and disassembling the oil seal is reduced, and the replacement of the oil seal is convenient, thereby reducing the structural complexity of the motor and reducing the maintenance cost of the motor.

[0023] The utility model also provides a suspension assembly having the above embodiment.

[0024] According to the suspension assembly of the embodiment of the utility model, by providing the above-mentioned electromagnetic shock absorber, the outer shell of the movable component is provided with an open hole, and by providing a mounting groove on the inner circumferential wall of the open hole, the oil seal is arranged in the mounting groove, and the inner circumferential wall of the oil seal is stopped against the outer circumferential wall of the stator component. On the basis of meeting the sealing requirement between the inner circumferential wall of the open hole and the outer circumferential wall of the stator component, the oil seal can be directly matched with the outer shell of the movable component, the number of parts required for the limit oil seal is reduced, the difficulty of assembling and disassembling the oil seal is reduced, the replacement of the oil seal is convenient, thereby reducing the structural complexity of the motor and reducing the maintenance cost of the motor.

[0025] The utility model also provides a vehicle having the above embodiment.

[0026] According to the vehicle of the embodiment of the utility model, by being provided with the above-mentioned suspension assembly, the outer shell of the movable component is provided with an open hole, and by providing a mounting groove on the inner circumferential wall of the open hole, the oil seal is arranged in the mounting groove, and the inner circumferential wall of the oil seal abuts against the outer circumferential wall of the stator component. On the basis of satisfying the sealing requirement between the inner circumferential wall of the open hole and the outer circumferential wall of the stator component, the oil seal can be directly matched with the outer shell of the movable component, thereby reducing the number of parts required for the limit oil seal, reducing the difficulty of assembling and disassembling the oil seal, facilitating the replacement of the oil seal, thereby reducing the structural complexity of the motor and reducing the maintenance cost of the motor.

[0027] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0029] Figure 1 is a cross-sectional view of a portion of a motor according to an embodiment of the utility model;

[0030] Figure 2 yes Figure 1 The enlarged view of point A in the middle;

[0031] Figure 3 is a top view of the housing of the motor and the fastener according to an embodiment of the utility model;

[0032] Figure 4 is a cross-sectional view of a motor according to an embodiment of the utility model;

[0033] Figure 5 It is a cross-sectional view of an electromagnetic vibration absorber according to an embodiment of the utility model.

[0034] Reference numerals:

[0035] 1000. Electromagnetic shock absorber;

[0036] 100. Motor;

[0037] 1. mover assembly; 10. housing; 11. housing body; 111. fastener; 12. pressing plate; 121. pressing part; 122. connecting part; 13. open hole; 131. mounting groove;

[0038] 2. stator assembly; 21. stator core shaft; 22. excitation assembly;

[0039] 3. Oil seal; 31. Oil seal frame; 32. Sealing part; 321. First lip; 322. Second lip; 33. First clamp; 34. Second clamp; 35. Elastic seal;

[0040] 4. Sliding bearings. DETAILED DESCRIPTION

[0041] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0044] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] The motor 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings. The motor 100 may be a linear motor.

[0046] like Figure 1 and Figure 5 As shown, the motor 100 according to the embodiment of the present utility model includes a mover assembly 1 , a stator assembly 2 and an oil seal 3 .

[0047] Specifically, refer to the attached Figure 1 As shown, the movable component 1 has a shell 10, which can play a protective role and is beneficial to extending the service life of the motor 100. One axial end of the shell 10 is open to form an open hole 13. The inner circumferential wall of the open hole 13 has a mounting groove 131. The mounting groove 131 extends in a ring shape along the circumferential direction of the open hole 13. Part of the stator component 2 is penetrated through the open hole 13, so that part of the stator component 2 can be located in the shell 10 through the open hole 13, which can realize the movement requirements between the movable component 1 and the stator component 2.

[0048] Further, see Attachment Figure 1 As shown, the oil seal 3 is arranged in the installation groove 131 and is annular in shape extending along the circumferential direction of the open hole 13. The cooperation between the oil seal 3 and the installation groove 131 can make the contact area between the oil seal 3 and the housing 10 larger, enhance the connection stability of the oil seal 3 on the housing 10, improve the positioning effect of the oil seal 3, facilitate the assembly of the oil seal 3, and make the overall structure of the oil seal 3 and the housing 10 compact.

[0049] Further, see Appendix Figure 1 As shown, the inner peripheral wall of the oil seal 3 abuts against the outer peripheral wall of the stator assembly 2, and the oil seal 3 can be moved along the axial direction of the open hole 13 (see the attached Figure 1 The two sides of the open hole 13 (in the upper and lower directions as shown) are isolated to meet the sealing requirements between the inner circumferential wall of the open hole 13 and the outer circumferential wall of the stator assembly 2, and effectively block external impurities (such as dust, moisture, etc.) from entering the interior of the motor 100 through the open hole 13, avoiding affecting the relative movement of the stator assembly 2 and the mover assembly 1, thereby protecting the internal structure of the motor 100, which is beneficial to extending the service life of the motor 100, and at the same time preventing the leakage of oil, water or chemical liquid inside the motor 100, thereby ensuring the normal operation of the motor 100.

[0050] It can be understood that by arranging the oil seal 3 in the installation groove 131 of the open hole 13, the oil seal 3 is directly matched with the housing 10 of the mover assembly 1, thereby reducing the number of parts required for the limit oil seal 3, reducing the difficulty of assembling and disassembling the oil seal 3, and facilitating the replacement of the oil seal 3, thereby reducing the structural complexity of the motor 100 and reducing the maintenance cost of the motor 100.

[0051] According to the motor 100 of the embodiment of the utility model, the housing 10 of the movable component 1 is provided with an open hole 13. By providing a mounting groove 131 on the inner peripheral wall of the open hole 13, the oil seal 3 is arranged in the mounting groove 131, and the inner peripheral wall of the oil seal 3 is stopped against the outer peripheral wall of the stator component 2. On the basis of satisfying the sealing requirement between the inner peripheral wall of the open hole 13 and the outer peripheral wall of the stator component 2, the oil seal 3 can be directly matched with the housing 10 of the movable component 1, the number of parts required for the limit oil seal 3 is reduced, the difficulty of assembling and disassembling the oil seal 3 is reduced, and the replacement of the oil seal 3 is convenient, thereby reducing the structural complexity of the motor 100 and reducing the maintenance cost of the motor 100.

[0052] In some embodiments of the present invention, refer to the attached Figure 1 and attached Figure 2 As shown, the housing 10 includes a housing body 11 and a pressure plate 12, and the pressure plate 12 is arranged in the axial direction of the housing body 11 (see the attached Figure 1 The shell body 11 is provided with a plurality of housings 12 and a plurality of pressure plates 12 disposed on the shell body 11. The housing ...

[0053] In a further embodiment of the present invention, refer to the attached Figure 2 As shown, a first groove is provided on the side of the shell body 11 facing the pressure plate 12, and the first groove extends in a ring shape along the circumferential direction of the open hole 13. The side of the first groove facing the center of the open hole 13 is open, and the inner wall of the first groove and the surface of the pressure plate 12 facing the shell body 11 jointly define a mounting groove 131. The oil seal 3 is arranged in the first groove. Along the axial direction of the open hole 13, the upper surface of the oil seal 3 is flush with the upper surface of the first groove, and the surface of the pressure plate 12 facing the shell body 11 is in contact with the upper surface of the oil seal 3, thereby realizing the limiting and fixing effect on the oil seal 3, and improving the reliability and stability of the oil seal 3.

[0054] In other embodiments of the utility model, a second groove is provided on the side of the pressure plate 12 facing the shell body 11, and the second groove extends in a ring shape along the circumferential direction of the open hole 13. The side of the second groove facing the center of the open hole 13 is open, and the inner wall of the second groove and the surface of the shell body 11 facing the pressure plate 12 jointly define a mounting groove 131. The oil seal 3 is arranged in the second groove. Along the axial direction of the open hole 13, the lower surface of the oil seal 3 is flush with the lower surface of the second groove, and the surface of the shell body 11 facing the pressure plate 12 is in contact with the lower surface of the oil seal 3, thereby realizing the limiting and fixing effect on the oil seal 3 and improving the reliability and stability of the oil seal 3.

[0055] In other embodiments of the utility model, a first groove is provided on the side of the shell body 11 facing the pressure plate 12, and the first groove extends in a ring shape along the circumferential direction of the open hole 13, and the first groove is open on the side facing the center of the open hole 13; a second groove is provided on the side of the pressure plate 12 facing the shell body 11, and the second groove extends in a ring shape along the circumferential direction of the open hole 13, and the second groove is open on the side facing the center of the open hole 13; the first groove and the second groove are relative and connected and jointly define a mounting groove 131; part of the oil seal 3 is located in the first groove, and part of it is located in the second groove; along the axial direction of the open hole 13, the lower surface of the oil seal 3 is in contact with the inner bottom wall of the first groove, and the upper surface of the oil seal 3 is in contact with the inner bottom wall of the second groove, thereby realizing the limiting and fixing effect of the oil seal 3 and improving the reliability and stability of the oil seal 3.

[0056] In a further embodiment of the present invention, refer to the attached Figure 2 As shown, the pressing plate 12 includes a pressing portion 121 and a connecting portion 122, the connecting portion 122 is connected to the outer side of the pressing portion 121, the mounting groove 131 is located between the pressing portion 121 and the shell body 11, and the connecting portion 122 is detachably connected to the shell body 11. The setting of the pressing portion 121 can ensure the pressing, fixing and limiting effect of the pressing plate 12 on the oil seal 3, and can avoid relative movement between the oil seal 3 and the shell 10. The pressing portion 121 of the pressing plate 12 can provide downward pressure on the oil seal 3, thereby enhancing the connection stability of the oil seal 3 on the shell 10, and the connecting portion 122 is detachably connected to the shell body 11, so that the pressing plate 12 can be detachably connected to the shell body 11, thereby facilitating the disassembly and installation of the pressing plate 12, and then facilitating the disassembly and installation of the oil seal 3, and further reducing the difficulty of replacing the oil seal 3.

[0057] In a further embodiment of the present invention, refer to the attached Figure 2 As shown, the pressing plate 12 is connected to the shell body 11 by a fastener 111, so that the connection between the pressing plate 12 and the shell body 11 is simple and has strong stability, which can ensure the sealing and limiting fixing effect of the oil seal 3, thereby improving the overall stability and reliability of the motor 100, and preventing the oil seal 3 from falling off during the movement of the electromagnetic shock absorber 1000. For example, the fastener 111 can be a bolt.

[0058] In a further embodiment of the present invention, refer to the attached Figure 1 and attached Figure 3As shown, there are multiple fasteners 111, and the multiple fasteners 111 are evenly spaced along the circumferential direction of the pressure plate 12, so as to ensure that the oil seal 3 is evenly pressed, ensure the fixing effect of the pressure plate 12 on the oil seal 3, and ensure that the oil seal 3 can be axially fixed on both sides of the axial direction of the open hole 13. For example, the fasteners 111 can be two, three, four, five, six, seven or eight evenly spaced along the circumferential direction of the pressure plate 12. In a specific example, refer to the attached Figure 3 As shown, there are six fasteners 111 , and the six fasteners 111 are evenly spaced along the circumferential direction of the pressure plate 12 , so that the pressure plate 12 can be connected to the shell body 11 at six locations, so that the oil seal 3 is evenly pressurized, and the fixing effect of the pressure plate 12 on the oil seal 3 is fully guaranteed.

[0059] In some embodiments of the present invention, refer to the attached Figure 2 As shown, the oil seal 3 includes an oil seal skeleton 31 and a sealing portion 32. At least a portion of the oil seal skeleton 31 is located in the mounting groove 131. The shape of the mounting groove 131 matches the oil seal skeleton 31, which is convenient for placing the oil seal 3 in the mounting groove 131. The sealing portion 32 is connected to the end of the oil seal skeleton 31 that is away from the bottom wall of the mounting groove 131 and abuts against the stator assembly 2, which can meet the sealing requirements between the inner circumferential wall of the open hole 13 and the outer circumferential wall of the stator assembly 2, and effectively prevent external impurities (such as dust, moisture, etc.) from entering the interior of the motor 100 through the open hole 13, avoiding affecting the relative movement of the stator assembly 2 and the mover assembly 1, thereby protecting the internal structure of the motor 100, which is beneficial to extending the service life of the motor 100. At the same time, it can prevent the leakage of oil, water or chemical liquid inside the motor 100, and ensure the normal operation of the motor 100.

[0060] In a further embodiment of the present invention, refer to the attached Figure 2 As shown, the sealing portion 32 has a first lip 321 and a second lip 322, and the first lip 321 and the second lip 322 are spaced apart along the axis of the open hole 13 and abut against the outer peripheral wall of the stator assembly 2. One of the first lip 321 and the second lip 322 is used to prevent external impurities (such as dust, moisture, etc.) from entering the interior of the motor 100 through the open hole 13 to avoid affecting the relative movement of the stator assembly 2 and the mover assembly 1, thereby protecting the internal structure of the motor 100 and helping to extend the service life of the motor 100. The other is used to prevent leakage of oil, water or chemical liquid inside the motor 100 to ensure the normal operation of the motor 100.

[0061] In a specific example, see the attached Figure 2As shown, the first lip 321 is located on the upper side of the oil seal skeleton 31, and can play the role of a dust cover to prevent external impurities (such as dust, moisture, etc.) from entering the interior of the motor 100 through the open hole 13, avoiding affecting the relative movement of the stator assembly 2 and the mover assembly 1, thereby protecting the internal structure of the motor 100 and helping to extend the service life of the motor 100; the second lip 322 is located on the lower side of the oil seal skeleton 31, and can play the role of an oil retaining lip, which can scrape off the oil on the surface of the stator assembly 2, prevent the leakage of oil, water or chemical liquid inside the motor 100, and ensure the normal operation of the motor 100.

[0062] In a further embodiment of the present invention, refer to the attached Figure 2 As shown, in the direction from the bottom wall of the mounting groove 131 to the open hole 13, the distance between the first lip 321 and the second lip 322 gradually increases, so that the first lip 321 and the second lip 322 can abut against the outer wall of the stator assembly 2 at intervals along the axis of the open hole 13, ensuring that the first lip 321 and the second lip 322 can fully exert the dust and oil proof effects.

[0063] In a further embodiment of the present invention, refer to the attached Figure 2 As shown, the oil seal 3 also includes a first clamp 33 and / or a second clamp 34. The first clamp 33 is sleeved outside the first lip 321 to drive the first lip 321 to abut against the outer peripheral wall of the stator assembly 2. The second clamp 34 is sleeved outside the second lip 322 to drive the second lip 322 to abut against the outer peripheral wall of the stator assembly 2. The first clamp 33 and the second clamp 34 are respectively used to drive the first lip 321 and the second lip 322 to hold the stator assembly 2 tightly, further sealing the inner peripheral wall of the open hole 13 and the outer peripheral wall of the stator assembly 2.

[0064] It is understandable that the first clamp 33 may be provided only outside the first lip 321 , the second clamp 34 may be provided only outside the second lip 322 , or both the first clamp 33 and the second clamp 34 may be provided outside the first lip 321 and the second lip 322 .

[0065] In a further embodiment of the present invention, refer to the attached Figure 2 As shown, the oil seal 3 also includes an elastic seal 35. The elastic seal 35 is provided between at least one of the two sides of the oil seal skeleton 31 along the axial direction of the open hole 13 and the side wall of the mounting groove 131. Along the axial direction of the open hole 13, the height of the oil seal 3 in an uncompressed state is greater than the height of the mounting groove 131. When the oil seal 3 is installed in the mounting groove 131, the elastic seal 35 is squeezed and deformed to ensure the reliability and stability of the installation of the oil seal 3 and to ensure the sealing of the oil seal 3 to the inner circumferential wall of the open hole 13 and the outer circumferential wall of the stator assembly 2.

[0066] It is understandable that the elastic seal 35 may be provided only between the upper side of the oil seal skeleton 31 along the axis direction of the open hole 13 and the side wall of the installation groove 131, or only between the lower side of the oil seal skeleton 31 along the axis direction of the open hole 13 and the side wall of the installation groove 131, or between both sides of the oil seal skeleton 31 along the axis direction of the open hole 13 and the side wall of the installation groove 131. For example, the elastic seal 35 may be a rubber member, which has high elasticity, good sealing performance, and good wear resistance, corrosion resistance, and water resistance.

[0067] In some embodiments of the present invention, refer to the attached Figure 1 and attached Figure 4 As shown, the stator assembly 2 includes a stator core shaft 21 and an excitation assembly 22. The stator core shaft 21 is inserted into the open hole 13, and the excitation assembly 22 is arranged in the housing 10 and sleeved on the stator core shaft 21. The excitation assembly 22 is used to drive the mover assembly 1 to move. The inner circumferential wall of the oil seal 3 is against the outer circumferential wall of the stator core shaft 21 to meet the sealing requirement between the inner circumferential wall of the open hole 13 and the outer circumferential wall of the stator core shaft 21, and effectively prevent external impurities (such as dust, moisture, etc.) from entering the interior of the motor 100 through the open hole 13, avoiding affecting the relative movement of the stator assembly 2 and the mover assembly 1, thereby protecting the internal structure of the motor 100 and helping to extend the service life of the motor 100.

[0068] In some embodiments of the present invention, refer to the attached Figure 2 As shown, the oil seal 3 is an integrated part, which can facilitate the assembly and replacement of the oil seal 3, simplify the disassembly and assembly process of the motor 100, reduce the maintenance difficulty of the motor 100, and improve the maintenance efficiency of the motor 100.

[0069] In some embodiments of the present invention, refer to the attached Figure 1 As shown, a sliding bearing 4 is provided between the inner peripheral wall of the open hole 13 and the outer peripheral wall of the stator assembly 2. The provision of the sliding bearing 4 can reduce the friction between the stator assembly 2 and the mover assembly 1, effectively reduce energy loss, help reduce the degree of wear, and extend the service life of the motor 100. It should be noted that, Figure 1 As shown, the sliding bearing 4 is located at the lower side of the oil seal 3, so that the oil seal 3 can prevent external impurities from falling to the sliding bearing 4 through the open hole 13, avoiding problems such as wear on the sliding bearing 4, which is beneficial to extending the service life of the motor 100.

[0070] like Figure 5 As shown, the utility model also provides an electromagnetic vibration absorber 1000 having the motor 100 of the above embodiment.

[0071] According to the electromagnetic vibration absorber 1000 of the embodiment of the utility model, the motor 100 mentioned above is provided, the housing 10 of the movable component 1 is provided with an open hole 13, and the inner peripheral wall of the open hole 13 is provided with a mounting groove 131, and the oil seal 3 is arranged in the mounting groove 131. The inner peripheral wall of the oil seal 3 and the outer peripheral wall of the stator component 2 are stopped. On the basis of meeting the sealing requirement between the inner peripheral wall of the open hole 13 and the outer peripheral wall of the stator component 2, the oil seal 3 can be directly matched with the housing 10 of the movable component 1, the number of parts required for the limit oil seal 3 is reduced, the difficulty of assembling and disassembling the oil seal 3 is reduced, and the replacement of the oil seal 3 is convenient, thereby reducing the structural complexity of the motor 100 and reducing the maintenance cost of the motor 100.

[0072] The utility model also provides a suspension assembly having the electromagnetic shock absorber 1000 of the above embodiment.

[0073] According to the suspension assembly of the embodiment of the utility model, the above-mentioned electromagnetic shock absorber 1000 is provided, the housing 10 of the movable component 1 is provided with an open hole 13, and a mounting groove 131 is provided on the inner peripheral wall of the open hole 13, and the oil seal 3 is arranged in the mounting groove 131. The inner peripheral wall of the oil seal 3 and the outer peripheral wall of the stator component 2 are stopped. On the basis of meeting the sealing requirement between the inner peripheral wall of the open hole 13 and the outer peripheral wall of the stator component 2, the oil seal 3 can be directly matched with the housing 10 of the movable component 1, the number of parts required for the limit oil seal 3 is reduced, the difficulty of assembling and disassembling the oil seal 3 is reduced, and the replacement of the oil seal 3 is convenient, thereby reducing the structural complexity of the motor 100 and reducing the maintenance cost of the motor 100.

[0074] The utility model also provides a vehicle having the suspension assembly of the above embodiment.

[0075] According to the vehicle of the embodiment of the utility model, by being provided with the above-mentioned suspension assembly, the housing 10 of the movable component 1 is provided with an open hole 13, and by providing a mounting groove 131 on the inner peripheral wall of the open hole 13, the oil seal 3 is arranged in the mounting groove 131, and the inner peripheral wall of the oil seal 3 is stopped against the outer peripheral wall of the stator component 2. On the basis of satisfying the sealing requirement between the inner peripheral wall of the open hole 13 and the outer peripheral wall of the stator component 2, the oil seal 3 can be directly matched with the housing 10 of the movable component 1, the number of parts required for the limit oil seal 3 is reduced, the difficulty of assembling and disassembling the oil seal 3 is reduced, and the replacement of the oil seal 3 is convenient, thereby reducing the structural complexity of the motor 100 and reducing the maintenance cost of the motor 100.

[0076] The motor 100 , the electromagnetic damper 1000 , the suspension assembly and other components and operations of the vehicle according to the embodiment of the utility model are well known to those skilled in the art and will not be described in detail here.

[0077] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0078] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A motor, characterized in that: include: A movable subassembly (1), the movable subassembly (1) comprising a housing (10), one axial end of the housing (10) being open to form an open hole (13), an inner peripheral wall of the open hole (13) comprising a mounting groove (131), the mounting groove (131) extending in a ring shape along the circumferential direction of the open hole (13); A stator assembly (2), a portion of which is inserted into the open hole (13); An oil seal (3) is arranged in the mounting groove (131) and is annular in shape and extends in the circumferential direction of the open hole (13); the inner circumferential wall of the oil seal (3) abuts against the outer circumferential wall of the stator assembly (2).

2. The motor according to claim 1, characterized in that The housing (10) comprises: A shell body (11) and a pressure plate (12), wherein the pressure plate (12) is covered on one side of the shell body (11) in the axial direction and is detachably connected to the shell body (11), the open hole (13) passes through the shell body (11) and the pressure plate (12), and the mounting groove (131) is formed between the shell body (11) and the pressure plate (12).

3. The motor according to claim 2, characterized in that A first groove is provided on a side of the shell body (11) facing the pressure plate (12), the first groove extending in a ring shape along the circumferential direction of the open hole (13), the first groove being open on a side facing the center of the open hole (13), and the inner wall of the first groove and the surface of the pressure plate (12) facing the shell body (11) jointly defining the mounting groove (131); Alternatively, a second groove is provided on a side of the pressing plate (12) facing the shell body (11), the second groove extends in a ring shape along the circumferential direction of the open hole (13), the side of the second groove facing the center of the open hole (13) is open, and the inner wall of the second groove and the surface of the shell body (11) facing the pressing plate (12) jointly define the mounting groove (131); Alternatively, a first groove is provided on a side of the shell body (11) facing the pressure plate (12), the first groove extends in a ring shape along the circumferential direction of the open hole (13), and the first groove is open on the side facing the center of the open hole (13); a second groove is provided on a side of the pressure plate (12) facing the shell body (11), the second groove extends in a ring shape along the circumferential direction of the open hole (13), and the second groove is open on the side facing the center of the open hole (13); the first groove and the second groove are opposite to each other and connected and jointly define the mounting groove (131).

4. The motor according to claim 2, characterized in that The pressing plate (12) comprises a pressing portion (121) and a connecting portion (122), wherein the connecting portion (122) is connected to the outer side of the pressing portion (121) through an outer sleeve, and the mounting groove (131) is located between the pressing portion (121) and the shell body (11), and the connecting portion (122) is detachably connected to the shell body (11).

5. The motor according to claim 2, characterized in that: The pressing plate (12) is connected to the shell body (11) via a fastener (111).

6. The motor according to claim 5, characterized in that There are a plurality of fasteners (111), and the plurality of fasteners (111) are evenly spaced apart along the circumferential direction of the pressing plate (12).

7. The motor according to claim 1, characterized in that The oil seal (3) comprises: An oil seal skeleton (31), at least a portion of the oil seal skeleton (31) being located in the mounting groove (131); A sealing portion (32), the sealing portion (32) being connected to an end of the oil seal skeleton (31) away from the bottom wall of the installation groove (131) and abutting against the stator assembly (2).

8. The motor according to claim 7, characterized in that The sealing portion (32) comprises a first lip (321) and a second lip (322), wherein the first lip (321) and the second lip (322) abut against the outer peripheral wall of the stator assembly (2) at intervals along the axis of the open hole (13).

9. The motor according to claim 8, characterized in that In the direction from the bottom wall of the mounting groove (131) to the open hole (13), the distance between the first lip (321) and the second lip (322) gradually increases.

10. The motor according to claim 8, characterized in that The oil seal (3) further comprises: A first clamp (33), the first clamp (33) being sleeved outside the first lip (321) and used for driving the first lip (321) to abut against the outer peripheral wall of the stator assembly (2); And / or, a second clamp (34), wherein the second clamp (34) is sleeved outside the second lip (322) and is used to drive the second lip (322) to abut against the outer peripheral wall of the stator assembly (2).

11. The motor according to claim 7, characterized in that The oil seal (3) further comprises: an elastic sealing member (35), wherein the elastic sealing member (35) is provided between at least one of the two sides of the oil seal frame (31) along the axial direction of the open hole (13) and the side wall of the mounting groove (131), Along the axial direction of the open hole (13), the height of the oil seal (3) in an uncompressed state is greater than the height of the mounting groove (131).

12. The motor according to claim 1, characterized in that The stator assembly (2) comprises: A stator core shaft (21) and an excitation component (22), wherein the stator core shaft (21) is inserted into the open hole (13), the excitation component (22) is arranged in the housing (10) and sleeved on the stator core shaft (21), and the inner peripheral wall of the oil seal (3) abuts against the outer peripheral wall of the stator core shaft (21).

13. An electromagnetic vibration absorber, characterized in that: The invention comprises an electric machine (100) according to any one of claims 1 to 12.

14. A suspension assembly, characterized in that: Comprising the electromagnetic vibration absorber (1000) according to claim 13.

15. A vehicle, characterized in that: Comprising a suspension assembly according to claim 14.

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