Motor, suspension assembly and vehicle

Abstract

The invention provides a motor, a suspension assembly and a vehicle. The motor comprises a first assembly, a second assembly, a bearing, a liquid supply structure and a distribution part. The second assembly and the first assembly can move relatively, the bearing is located between the first assembly and the second assembly and connected to one of the first assembly and the second assembly, and the other one of the first assembly and the second assembly is in sliding fit with the bearing. The liquid supply structure is used for supplying lubricating liquid to the bearing, and the distribution part is arranged on the periphery of the bearing, communicates with the liquid supply structure and is used for distributing the lubricating liquid supplied by the liquid supply structure to the bearing. The lubricating liquid supplied by the liquid supply structure is distributed to the bearing between the first assembly and the second assembly through the distribution part so as to lubricate the friction contact surface between the bearing and the first assembly or the second assembly, so that the effect of reducing the friction coefficient of the friction contact surface can be achieved, meanwhile, the bearing can be cooled, and the service life of the bearing is prolonged. Therefore, the bearing capacity and the service life of the bearing are improved, and the normal and reliable operation of the motor is finally ensured.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle motors, and in particular to a motor, a suspension assembly, and a vehicle. Background Art

[0002] Bearings are important components of motors, used to bear the load or lateral force during the movement of the motor, ensuring the normal operation and long-term stable operation of the motor.

[0003] In order to avoid direct contact between the bearings and the motor and reduce wear between the motor and the bearings, the bearings need to be lubricated and maintained to improve the bearing's load capacity and service life.

[0004] Therefore, how to cool and lubricate bearings is a problem that needs to be solved urgently. Summary of the Invention

[0005] The purpose of this application is to provide a motor, a suspension assembly and a vehicle, aiming to solve the problem of how to lubricate bearings.

[0006] In a first aspect, the present application provides a motor comprising a first component, a second component, a bearing, a liquid supply structure, and a distribution member.

[0007] The second component and the first component are movable relative to each other;

[0008] The bearing is located between the first and second components and is connected to one of the first and second components. The other of the first and second components is slidably engaged with the bearing. The liquid supply structure is used to supply lubricating fluid to the bearing. A distribution member is provided on the outer periphery of the bearing and is connected to the liquid supply structure to distribute the lubricating fluid supplied by the liquid supply structure to the bearing.

[0009] The motor of the present application includes a liquid supply structure that supplies lubricating liquid to the bearing between the first component and the second component to lubricate the friction contact surface between the bearing and the first component or the second component, thereby reducing the friction coefficient of the friction contact surface and cooling the bearing to improve the bearing's load capacity and service life, thereby ultimately ensuring the normal and reliable operation of the motor. At the same time, the lubricating liquid supplied by the liquid supply structure is distributed to the bearing by a distribution member, so that the lubricating liquid is supplied to different positions on the friction contact surface of the bearing, thereby achieving more uniform lubrication and cooling of the bearing, thereby improving the lubrication and cooling effects.

[0010] Optionally, the bearing has a first oil inlet, which is arranged to penetrate the bearing radially, and a sliding gap is provided between the bearing and the other of the first component and the second component, and the first oil inlet is connected to the distribution component and the sliding gap.

[0011] Optionally, the first oil inlets include at least two, the at least two first oil inlets are spaced apart along the circumference of the bearing, and the at least two first oil inlets are respectively communicated with the distribution member and the sliding gap.

[0012] Optionally, the bearing and the liquid supply structure are provided in the first component, and the second component includes a core shaft, which is slidably provided in the bearing;

[0013] The subassembly is located between the fluid supply structure and the bearing.

[0014] Optionally, the first component includes a housing, the housing is provided with a mounting hole, and the distribution member is provided in the mounting hole;

[0015] The liquid supply structure is arranged on the casing.

[0016] Optionally, the liquid supply structure includes a liquid supply channel, one end of the liquid supply channel is a liquid supply inlet for the external lubricating liquid to flow in, and the other end of the liquid supply channel is a liquid supply outlet communicated with the distribution component.

[0017] Optionally, the first component includes a casing, and the liquid supply structure is arranged in the casing; along the axial direction of the casing, the casing has a first end and a second end arranged opposite to each other, and the liquid supply inlet is located on the side wall of the first end or the side wall of the second end.

[0018] Optionally, a storage chamber is formed between the bearing and the distribution member, and the storage chamber is communicated with the first oil inlet and the liquid supply outlet respectively.

[0019] Optionally, the outer wall surface of the bearing has a step-like structure to limit the axial position of the bearing, and the step-like structure and the first component are combined to form a storage cavity.

[0020] Optionally, a first flow groove is provided on the inner wall surface of the bearing, and the first flow groove extends along the circumference of the bearing, and the first flow groove is respectively connected to the first oil inlet and the sliding gap.

[0021] Optionally, the first flow groove is a first annular groove extending along the circumference of the bearing.

[0022] Optionally, along the axial direction of the bearing, there is a mating portion between the groove wall of the first flow groove and the two axial end faces of the bearing for mating with the second component.

[0023] Optionally, the first flow grooves include at least two, and the at least two first flow grooves are spaced apart along the axial direction of the bearing;

[0024] At least two first flow grooves are connected, and / or the bottom wall of each first flow groove is provided with at least one first oil inlet.

[0025] Optionally, a first communicating groove is provided on the inner wall surface of the bearing, and two adjacent first flow grooves are connected through the first communicating groove.

[0026] Optionally, along the axial direction of the bearing, the first communicating groove is an oblique groove arranged to intersect the axial direction of the bearing.

[0027] Optionally, the distribution member is provided with a second oil inlet, which is arranged to penetrate the distribution member in a radial direction, and is communicated with the liquid supply outlet and the storage chamber respectively.

[0028] Optionally, at least one first oil inlet is arranged opposite to the second oil inlet.

[0029] Optionally, a second flow groove is provided on a side of the distribution member facing the bearing, the second flow groove extends along the circumference of the distribution member, and the second flow groove is communicated with the storage cavity and the first oil inlet respectively.

[0030] Optionally, the second flow groove is a second annular groove extending along the circumference of the distribution element.

[0031] Optionally, along the axial direction of the distribution member, there is a matching body for matching with the bearing between the groove wall of the second flow groove and the two end faces of the distribution member in the axial direction.

[0032] Optionally, the second flow grooves include at least two, and the at least two second flow grooves are spaced apart along the axial direction of the distribution member, and two adjacent second flow grooves are connected.

[0033] Optionally, there are at least two first oil inlets, wherein the at least two first oil inlets are spaced apart along the axial direction of the bearing, and the at least two second flow grooves are connected to the at least two first oil inlets in a one-to-one correspondence.

[0034] Optionally, a second communicating groove is provided on a side of the distribution member facing the bearing, and two adjacent second flow grooves are connected via the second communicating groove.

[0035] Optionally, the second communicating groove is a straight groove extending along the axial direction of the distribution member.

[0036] Optionally, the distribution piece is sleeved in the casing and has an interference fit with the casing.

[0037] Optionally, the distribution piece is sleeved outside the bearing and has an interference fit with the bearing.

[0038] Optionally, the motor further includes a compensation structure, which is provided in the first component or the second component, and is connected to the liquid supply structure to replenish lubricating liquid into the liquid supply structure.

[0039] Optionally, the compensation structure includes a compensation shell and a moving part, the compensation shell has a compensation cavity, the moving part is movably arranged in the compensation cavity and divides the compensation cavity into a first cavity and a second cavity, the first cavity is provided with an air supply port for external gas to enter, the second cavity is provided with an oil filling port for lubricating liquid to enter, and the oil filling port is respectively connected to the second cavity and the liquid supply structure.

[0040] Optionally, the first chamber is provided with a pressure detector.

[0041] Optionally, along the axial direction of the bearing, a sealing structure is provided on at least one of the two sides of the bearing, and the sealing structure is located between the first component and the second component.

[0042] Optionally, the sealing structure includes an oil seal, a Gly ring, or other structural components that can be used for reciprocating motion sealing.

[0043] In a second aspect, the present application provides a suspension assembly comprising a motor.

[0044] In a third aspect, the present application provides a vehicle comprising a motor or a suspension assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0046] Figure 1 This is a schematic diagram of the structure of the motor shown in the embodiment of the present application;

[0047] Figure 2 for Figure 1 A cross-sectional view of the motor shown;

[0048] Figure 3 for Figure 1 A schematic diagram of the partial coordination of the bearing, distribution member and housing of the motor shown;

[0049] Figure 4 for Figure 1 A schematic structural diagram of the distribution components of the motor shown;

[0050] Figure 5 for Figure 1 A schematic structural diagram of a bearing of the motor shown;

[0051] Figure 6 for Figure 1 A cross-sectional view of the bearing and distribution member of the motor shown;

[0052] Figure 7 for Figure 1 A perspective view of the bearing and distribution member of the motor shown;

[0053] Figure 8 for Figure 1 A schematic diagram of the partial structure of the bearing, housing and sealing structure of the motor shown;

[0054] Figure 9for Figure 1 The motor shown is provided with a structural schematic diagram of a compensation structure;

[0055] Figure 10 for Figure 1 The diagram shows the coordination between the motor and the air spring.

[0056] Reference numerals:

[0057] 100, first component; 110, housing; 111, first end; 112, second end; 120, distribution member; 121, second oil inlet; 122, second flow groove; 123, fitting body; 124, second connecting groove; 200, second component; 210, core shaft; 300, bearing; 311, first oil inlet; 312, storage chamber; 313, first flow groove; 314, fitting part; 315, first connecting groove Groove; 400, liquid supply structure; 411, liquid supply channel; 412, liquid supply inlet; 413, liquid supply outlet; 500, compensation structure; 510, compensation shell; 520, moving part; 530, first cavity; 540, second cavity; 550, air supply port; 560, oil filling port; 570, pressure detector; 580, inflation nozzle; 600, sealing structure; 610, pressure plate; 700, air spring; 800, lower fork arm. DETAILED DESCRIPTION

[0058] In the embodiments of the present application, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, a feature specified as "first," "second," "third," "fourth," "fifth," and "sixth" may explicitly or implicitly include one or more of the features.

[0059] In the embodiments of the present application, the terms "comprises," "comprising," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of other identical elements in the process, method, article, or apparatus comprising the element.

[0060] Reference Figures 1 to 3 As shown, this embodiment provides a motor, including a first component 100, a second component 200, a bearing 300, a liquid supply structure 400 and a distribution member.

[0061] The second component 200 and the first component 100 are movable relative to each other.

[0062] The bearing 300 is located between the first assembly 100 and the second assembly 200 and is connected to one of the first and second assemblies 100 and 200. The other of the first and second assemblies 100 and 200 is slidably engaged with the bearing 300. The liquid supply structure 400 is used to supply lubricating fluid to the bearing 300. The distribution member 120 is disposed on the outer periphery of the bearing 300 and communicates with the liquid supply structure 400 to distribute the lubricating fluid supplied by the liquid supply structure 400 to the bearing 300.

[0063] The motor of the present application includes a liquid supply structure 400, which supplies lubricating liquid to the bearing 300 between the first component 100 and the second component 200. This lubrication lubricates the friction contact surface between the bearing 300 and the first component 100 or the second component 200, thereby reducing the coefficient of friction of the friction contact surface. It also cools the bearing 300, thereby increasing its load-bearing capacity and service life, ultimately ensuring the normal and reliable operation of the motor. Furthermore, the lubricating liquid supplied by the liquid supply structure 400 is distributed to the bearing 300 via the distribution member 120, achieving more uniform lubrication and cooling of the bearing 300, thereby improving the lubrication and cooling effects.

[0064] In a specific implementation, the first assembly 100 and the second assembly 200 can move relative to each other to achieve the extension or contraction of the motor. For example, the second assembly 200 can be fixed and the first assembly 100 can move relative to the second assembly 200. Alternatively, the first assembly 100 can be fixed and the second assembly 200 can move relative to the first assembly 100.

[0065] Among them, the direction of relative movement between the first component 100 and the second component 200 is defined as a first direction. The first direction can be consistent with the height direction of the vehicle on which the motor is assembled, or it can be inclined relative to the height direction of the vehicle. This application does not make specific limitations on this.

[0066] One of the first component 100 and the second component 200 is provided with a bearing 300, and the other is slidably fitted with the bearing 300. For example, the bearing 300 can be provided on the first component 100, and the second component 200 is slidably fitted with the bearing 300. Alternatively, the bearing 300 can be provided on the second component 200, and the first component 100 is slidably fitted with the bearing 300, thereby achieving the function of bearing the load or lateral force when the motor is moving.

[0067] In this embodiment, the motor also includes a liquid supply structure 400, so that lubricating liquid can be supplied to the bearing 300 through the liquid supply structure 400 to lubricate the friction contact surface between the bearing 300 and the first component 100 or the second component 200, which can then play a role in reducing the friction coefficient of the friction contact surface, thereby improving the load-bearing capacity and service life of the bearing 300, thereby ultimately ensuring the normal and reliable operation of the motor.

[0068] For example, the liquid supply structure 400 can be disposed on either the first component 100 or the second component 200. To facilitate liquid supply, the liquid supply structure 400 can be disposed on the fixed component. That is, if the second component 200 is fixed and the first component 100 moves relative to the second component 200, the liquid supply structure 400 can be disposed on the second component 200. If the first component 100 is fixed and the second component 200 moves relative to the first component 100, the liquid supply structure 400 can be disposed on the first component 100.

[0069] In addition, it should be noted that the lubricating liquid supplied to the bearing 300 can also play a role in cooling the bearing 300, thereby preventing the bearing 300 from heating up and affecting normal use.

[0070] In addition, the distribution member 120 is disposed outside the bearing 300 , so that the external space of the bearing 300 can be utilized to arrange the distribution member.

[0071] Exemplarily, the motor of this embodiment may be a suspension motor.

[0072] In some embodiments, the first assembly 100 can be connected to the vehicle body, and the second assembly 200 can be connected to the wheel. The specific connection method can be bolt connection, or vice versa. In addition, the first assembly 100 also has a lower fork arm 800 for connecting to the vehicle body or the wheel.

[0073] As can be seen from the above description, the motor provided in this embodiment includes a liquid supply structure 400. This structure supplies lubricating fluid to the bearing 300 between the first assembly 100 and the second assembly 200, thereby lubricating the frictional contact surface between the bearing 300 and the first assembly 100 or the second assembly 200. This, in turn, reduces the coefficient of friction of the frictional contact surface, thereby improving the load-bearing capacity and service life of the bearing 300, and ultimately ensuring the normal and reliable operation of the motor. Furthermore, the lubricating fluid supplied by the liquid supply structure 400 is distributed to the bearing 300 via the distribution member 120, achieving more uniform lubrication and cooling of the bearing 300, thereby improving the lubrication and cooling effects.

[0074] Reference Figure 3 and Figure 6As shown, in some embodiments, the bearing 300 has a first oil inlet 311, which is arranged to penetrate the bearing 300 radially, and there is a sliding gap between the bearing 300 and the other of the first component 100 and the second component 200, and the first oil inlet 311 is connected to the distribution part 120 and the sliding gap.

[0075] During the specific liquid supply, the external lubricating liquid can enter the liquid supply structure 400, and then the lubricating liquid entering the liquid supply structure 400 is distributed through the distribution part 120 and then enters the sliding gap through the first oil inlet 311 to lubricate the friction mating surface of the bearing 300.

[0076] Reference Figure 5 As shown, in some embodiments, the first oil inlet 311 includes at least two first oil inlets 311 , which are spaced apart along the circumference of the bearing 300 , and the at least two first oil inlets 311 are respectively connected to the distribution member 120 and the sliding gap.

[0077] In this embodiment, by providing at least two throttles, lubricating liquid can be delivered into the sliding gap through at least two first oil inlets 311 , thereby improving the lubrication effect on the friction fitting surface of the bearing 300 .

[0078] Exemplarily, four first oil inlets 311 can be provided, and the four first oil inlets 311 can be evenly spaced along the circumference of the bearing 300. This can improve the lubrication effect while allowing the lubricating fluid to flow through the four different first oil inlets 311 to different circumferential areas of the sliding gap to form a uniform lubricating oil film.

[0079] This arrangement ensures that when a lateral force acts on the bearing 300, the pressure in the area of ​​the sliding gap on the load side is actively increased through the servo valve of the motor, and the pressure in the area of ​​the sliding gap on the non-load side is reduced, forming a pressure difference to offset the lateral displacement and maintain the oil film stiffness.

[0080] Reference Figure 2 and Figure 3 As shown, in some embodiments, the bearing 300 and the liquid supply structure 400 are arranged in the first component 100, and the second component 200 includes a core shaft 210, which is slidably inserted into the bearing 300; the distribution member 120 is located between the liquid supply structure 400 and the bearing 300.

[0081] In a specific implementation, the bearing 300 and the fluid supply structure 400 are both disposed on the first assembly 100, and the core shaft 210 is disposed within the bearing 300. The inner wall surface of the bearing 300 and the outer wall surface of the core shaft 210 form a friction contact surface. During fluid supply, external lubricating liquid can enter the fluid supply structure 400. This lubricating liquid is then distributed by the distribution member 120 and then enters the space between the inner wall surface of the bearing 300 and the outer wall surface of the core shaft 210 through the first oil inlet 311, thereby forming an oil film there. This lubricating film lubricates the friction mating surface of the bearing 300 and improves the bearing's load-bearing capacity.

[0082] Furthermore, positioning the distribution member 120 between the liquid supply structure 400 and the bearing 300 facilitates indirect communication between the two. This allows the lubricant supplied by the liquid supply structure 400 to be distributed through the distribution member 120 located between the two and then directly delivered to the bearing 300, shortening the overall flow path. Alternatively, the distribution member features may be incorporated directly into the housing.

[0083] Reference Figures 1 to 3 As shown, in some embodiments, the first component 100 includes a housing 110 , the housing 110 is provided with a mounting hole, and the distribution member 120 is disposed in the mounting hole; the liquid supply structure 400 is disposed in the housing 110 .

[0084] In a specific implementation, the distribution member 120 may be interference-fitted into the mounting hole, thereby achieving reliable fixation between the distribution member 120 and the housing 110. Alternatively, in other implementations, the distribution member 120 and the housing 110 may be fixed by bonding or clamping.

[0085] Specifically, the housing 110 may have a top end and a bottom end along a height direction of the vehicle, and the mounting hole may be provided at the top end of the housing 110 .

[0086] Reference Figures 2 to 7 As shown, in some embodiments, the liquid supply structure 400 includes a liquid supply channel 411, one end of the liquid supply channel 411 is a liquid supply inlet 412 for external lubricating liquid to flow in, and the other end of the liquid supply channel 411 is a liquid supply outlet 413 connected to the distribution component.

[0087] Specifically, during lubrication, the external lubricating liquid flows into the liquid supply channel 411 through the liquid supply inlet 412, and then flows into the friction contact surface of the bearing 300 through the liquid supply outlet 413 and the first oil inlet 311 in sequence, so as to lubricate the friction contact surface of the bearing 300.

[0088] The specific inner diameter of the liquid supply channel 411 can be determined according to the actual required liquid supply flow rate, and this embodiment does not limit this.

[0089] Reference Figure 1 and Figure 2 As shown, in some embodiments, along the axial direction of the housing 110, the housing 110 has a first end 111 and a second end 112 that are oppositely arranged, and the liquid supply inlet 412 is located on the side wall of the first end 111 or the side wall of the second end 112 to avoid affecting the assembly of other components on the housing 110.

[0090] Reference Figures 3 to 6 As shown, in some embodiments, a storage chamber 312 is formed between the bearing 300 and the distribution member 120 , and the storage chamber 312 is communicated with the first oil inlet 311 and the liquid supply outlet 413 , respectively.

[0091] Such a configuration allows the lubricating liquid flowing out through the liquid supply outlet 413 to be stored in the storage chamber 312, and then flow into the sliding gap between the bearing 300 and the second component 200 through the first oil inlet 311, so that the lubricating liquid can be continuously replenished into the sliding gap to achieve sustainable lubrication of the bearing 300.

[0092] Reference Figure 5 and Figure 6 As shown, in some embodiments, the outer wall surface of the bearing 300 has a stepped structure to limit the axial position of the bearing 300, and the stepped structure and the first component 100 are combined to form a storage cavity 312 to facilitate processing to form the storage cavity 312.

[0093] For example, the stepped structure can be formed by partially recessing the outer wall of the bearing 300 toward the central axis of the bearing 300. The stepped structure can cooperate with the distribution member 120 to limit the axial position of the bearing 300, thereby preventing axial movement of the bearing 300 and affecting normal operation. The stepped structure and the first assembly 100 enclose a storage chamber 312 to increase the storage capacity of the lubricant.

[0094] Reference Figure 5 As shown, in some embodiments, the inner wall surface of the bearing 300 is provided with a first flow groove 313, the first flow groove 313 extends along the circumference of the bearing 300, and the first flow groove 313 is respectively connected to the first oil inlet 311 and the sliding gap.

[0095] In a specific implementation, a first flow groove 313 is provided on the inner wall surface of the bearing 300, and the first flow groove 313 extends along the circumference of the bearing 300. In this way, the lubricating liquid flowing into the storage chamber 312 can flow into the first flow groove 313 through the first oil inlet 311, so that the lubricating liquid can be distributed to different positions along the circumference of the bearing 300 to achieve uniform lubrication of the bearing 300.

[0096] Reference Figure 5As shown, in some embodiments, the first flow groove 313 is a first annular groove extending along the circumference of the bearing 300, so that the lubricating fluid can be evenly distributed along the first annular groove to different positions of the bearing 300 on its circumference, so as to further improve the uniformity of lubrication of the bearing 300.

[0097] Reference Figure 5 As shown, in some embodiments, along the axial direction of the bearing 300 , there is a mating portion 314 between the groove wall of the first flow groove 313 and the two axial end faces of the bearing 300 for mating with the second component 200 .

[0098] For example, the matching portion 314 may be a protruding structure protruding toward the second component 200 , and an interference fit may be formed between the protruding structure and the second component 200 .

[0099] Furthermore, because the first flow groove 313 has mating portions 314 between its walls and the axial end faces of the bearing 300, the first flow groove 313 does not extend to the axial end faces of the bearing 300. This prevents the lubricant from flowing directly along the first flow groove 313 and beyond the friction surface of the bearing 300, thereby affecting lubrication. Furthermore, this design ensures that the lubricant must pass through the unreserved area between the mating portions 314 of the bearing 300 and the second assembly 200 before exiting the friction surface, thus ensuring oil supply and lubrication effectiveness.

[0100] Reference Figure 5 As shown, in some embodiments, the first flow groove 313 includes at least two, at least two first flow grooves 313 are arranged at intervals along the axial direction of the bearing 300; at least two first flow grooves 313 are connected, so that the lubricating fluid can flow to other positions through the first flow grooves 313 arranged at intervals along the axial direction, so that the friction surface of the bearing 300 is fully lubricated in both its circumferential and circumferential directions.

[0101] Alternatively, the bottom wall of each first flow groove 313 may be provided with at least one first oil inlet 311 , so that lubricating liquid can flow into each first flow groove 313 to fully lubricate the friction surface of the bearing 300 .

[0102] Reference Figure 5 As shown, in some embodiments, a first connecting groove 315 is provided on the inner wall surface of the bearing 300 , and two adjacent first flow grooves 313 are connected through the first connecting groove 315 , thereby achieving a connecting operation between the two adjacent first flow grooves 313 .

[0103] In this embodiment, along the axial direction of the bearing 300, the first connecting groove 315 is formed as an oblique groove intersecting the axial direction of the bearing 300. This arrangement facilitates the flow of lubricating fluid between two adjacent first flow grooves 313. Furthermore, this arrangement ensures that no matter which first oil inlet 311 the lubricating fluid enters the bearing 300 through, it can flow along the corresponding first flow groove 313 to other locations, thereby fully lubricating all locations on the bearing 300.

[0104] Reference Figures 3 to 7 As shown, in some embodiments, the distribution member 120 is provided with a second oil inlet 121 , which is radially disposed through the distribution member 120 and communicates with the liquid supply outlet 413 and the storage chamber 312 , respectively.

[0105] In order to facilitate the formation of a storage cavity 312 between the bearing 300 and the first component 100, the first component 100 can be set to include a housing 110 and a distribution part 120 located in the housing 110, and a second oil inlet 121 is processed on the distribution part 120. The second oil inlet 121 is respectively connected to the liquid supply outlet 413 and the storage cavity 312, and a storage cavity 312 is formed between the distribution part 120 and the bearing 300. This not only facilitates processing but also improves the structural strength of the entire first component 100.

[0106] Reference Figure 4 As shown, in some embodiments, at least one first oil inlet 311 is arranged opposite to the second oil inlet 121, and the diameter of the second oil inlet 121 is larger than the diameter of the first oil inlet 311. Such an arrangement allows the lubricating liquid flowing out through the liquid supply outlet 413 to pass more smoothly through the second oil inlet 121 into the storage cavity 312 and then directly into the first oil inlet 311.

[0107] For example, one first oil inlet 311 may be provided to be arranged opposite to the second oil inlet 121. Alternatively, in other implementations, two first oil inlets 311 may be provided to be arranged opposite to the second oil inlet 121.

[0108] Reference Figure 4 、 Figure 6 and Figure 7 As shown, in some embodiments, a second flow groove 122 is provided on the side of the distribution member 120 facing the bearing 300, and the second flow groove 122 extends along the circumference of the distribution member 120. The second flow groove 122 is respectively connected to the storage cavity 312 and the first oil inlet 311. Such a setting allows the lubricating liquid entering the storage cavity 312 to flow in the second flow groove 122 and then enter the lubrication gap through different first oil inlets 311, so as to achieve uniform lubrication of various positions of the bearing 300.

[0109] Reference Figure 4 As shown, in some embodiments, the second flow groove 122 is a second annular groove extending along the circumference of the distribution member 120, so that the lubricating liquid can be evenly distributed along the second annular groove to the different first oil inlets 311 of the bearing 300 on its circumference, so as to further improve the uniformity of lubrication of the bearing 300.

[0110] Reference Figure 4 As shown, in some embodiments, along the axial direction of the distribution member 120 , there is a mating body 123 between the groove wall of the second flow groove 122 and the two end faces of the distribution member 120 in the axial direction for mating with the bearing 300 , thereby achieving mating with the bearing 300 .

[0111] For example, the fitting body 123 may be a protruding structure protruding toward the bearing 300 , and an interference fit may be formed between the protruding structure and the bearing 300 .

[0112] In addition, since there is a mating body 123 between the groove wall of the second flow groove 122 and the two axial end faces of the distribution part 120, that is, the second flow groove 122 does not extend to the axial end face of the distribution part 120, it can block the lubricating liquid and prevent the lubricating liquid from flowing directly along the second flow groove 122 to the outside of the mating surface between the first bearing 300 and the distribution part 120, thereby affecting the lubrication effect.

[0113] For example, the distribution member 120 may be a cylindrical support ring.

[0114] Reference Figure 4 As shown, in some embodiments, the second flow groove 122 includes at least two, at least two second flow grooves 122 are arranged at intervals along the axial direction of the distribution member 120, and the two adjacent second flow grooves are connected. Such an arrangement allows the lubricating liquid entering the storage cavity 312 to flow in different second flow grooves 122 and then pass through different first oil inlets 311 into the friction contact surface of the bearing 300, so as to achieve uniform lubrication of various positions of the bearing 300.

[0115] Reference Figures 5 to 7 As shown, in some embodiments, there are at least two first oil inlets 311, wherein at least two first oil inlets 311 are arranged at intervals along the axial direction of the bearing 300, and at least two second flow grooves 122 are connected to the at least two first oil inlets 311 in a one-to-one correspondence, so that the lubricating fluid entering the storage cavity 312 can enter the second flow grooves 122 arranged at intervals in the axial direction and then enter the friction contact surface of the bearing 300 through the first oil inlets 311 arranged at intervals in the axial direction, so as to achieve uniform lubrication of the bearing 300 in the circumferential and axial directions, thereby improving the lubrication adequacy.

[0116] Reference Figure 4As shown, in some embodiments, a second connecting groove 124 is provided on a side of the distribution member 120 facing the bearing 300 , and two adjacent second flow grooves 122 are connected through the second connecting groove 124 , thereby achieving a connecting operation between the two adjacent second flow grooves 122 .

[0117] In this embodiment, the second connecting groove 124 is a straight groove extending along the axial direction of the distribution member 120 , which not only enables the connection operation between the two second flow grooves 122 but also makes the processing simple and easy.

[0118] Specifically, the lubrication process of this embodiment is as follows: lubricating liquid enters the liquid supply channel 411 through the liquid supply inlet 412, flows out through the liquid supply outlet 413, and then enters the storage chamber 312 through the second oil inlet 121. After entering the storage chamber 312, the lubricating liquid in the storage chamber 312 fills the entire circumference of the outer surface of the bearing 300. Then, a portion of the lubricating liquid directly enters the first flow groove 313 of the bearing 300 through the first oil inlet 311, and a portion of the lubricating liquid enters the other first flow grooves 313 through the first connecting groove 315, ultimately filling all the second flow grooves 122, thereby achieving uniform circumferential lubrication of the friction surface of the bearing 300. A portion of the lubricating liquid that enters the storage chamber 312 enters the other connected second connecting grooves 124 through the second connecting groove 124 on the distribution member 120, and then enters the corresponding first flow groove 313 through the connected first oil inlet 311. At this point, the entire friction surface of the bearing 300 is filled with lubricating liquid. When the first component 100 and the second component 200 move back and forth, the friction surface of the bearing 300 can be effectively lubricated, and the lubricating fluid stored in the storage cavity 312 can meet the lubricating fluid consumed when the first component 100 and the second component 200 move back and forth.

[0119] In this embodiment, the distribution member 120 is sleeved in the housing 110 and has an interference fit with the housing 110 , so as to achieve reliable assembly between the distribution member 120 and the housing 110 .

[0120] In this embodiment, the distribution member 120 is sleeved outside the first bearing 300 and is interference fit with the first bearing 300 to achieve reliable assembly between the distribution member 120 and the first bearing 300.

[0121] Reference Figure 9 As shown, in some embodiments, the motor also includes a compensation structure 500, which is provided in the first component 100 or the second component 200. The compensation structure 500 is connected to the liquid supply structure 400 to replenish lubricating fluid into the liquid supply structure 400, thereby achieving timely replenishment of lubricating fluid into the liquid supply structure 400 to ensure the lubrication effect on the bearing 300.

[0122] Reference Figure 9 As shown, in some embodiments, the compensation structure 500 includes a compensation shell 510 and a movable part 520, the compensation shell 510 has a compensation cavity, the movable part 520 is movably arranged in the compensation cavity and divides the compensation cavity into a first cavity 530 and a second cavity 540, the first cavity 530 is provided with an air supply port 550 for external gas to enter, the second cavity 540 is provided with an oil filling port 560 for lubricating liquid to enter, and the oil filling port 560 is respectively connected to the second cavity 540 and the liquid supply structure 400.

[0123] Specifically, compressed gas can be introduced into the first cavity 530 through the air supply port 550 to provide sufficient pressure to the movable part 520, so that the movable part 520 can move toward the second cavity 540 under the action of pressure to generate negative pressure in the second cavity 540, so that the lubricating liquid injected into the second cavity 540 through the oil port can flow into the liquid supply structure 400 under the action of negative pressure, thereby realizing timely replenishment of the lubricating liquid.

[0124] Furthermore, an inflation nozzle 580 can be provided at the air supply port 550, and a pressure detector 570 can be provided at the air supply port 550 and connected to the inflation nozzle 580 to measure the pressure of the gas in the first cavity 530, so as to adjust the amount of air supplied to the first cavity 530 according to the pressure, so as to ultimately ensure that the lubricating fluid can be replenished into the liquid supply structure 400 in time, ensure that the lubricating fluid can be effectively transported to the sliding gap, maintain sufficient oil film thickness and oil film stability, and ensure good lubrication performance under different working conditions.

[0125] In this embodiment, the compensation structure 500 is located outside the housing 110, which is more convenient for assembly and avoids occupying the internal space of the motor.

[0126] In addition, refer to Figure 10 As shown, the motor of this embodiment is used in conjunction with an air spring 700 , and a lower fork arm 800 is connected to the bottom of the housing 110 for connection with one of the vehicles.

[0127] Reference Figure 3 and Figure 8 As shown, in some embodiments, along the axial direction of the bearing 300 , a sealing structure 600 is provided on at least one of the two sides of the bearing 300 , and the sealing structure 600 is located between the first component 100 and the second component 200 .

[0128] For example, the sealing structure 600 may be provided on only one side of the bearing 300. Alternatively, in other implementations, the sealing structure 600 may be provided on both sides of the bearing 300.

[0129] For example, the sealing structure 600 may be an O-ring, a Gly ring, an oil seal, or other structures that can achieve reciprocating sealing.

[0130] In addition, the motor further includes a pressing plate 610 , which is disposed on the sealing structure 600 to press and fix the sealing structure 600 to prevent it from falling off.

[0131] In this embodiment, the sealing structure 600 includes two sealing structures 600 arranged on both sides of the axial direction of the bearing 300, so that the lubricating liquid sealed in the sliding gap can prevent the gas from diffusing into the housing 110, thereby indirectly achieving the function of sealing the air spring 700.

[0132] Reference Figures 1 to 10 As shown, this embodiment also provides a suspension assembly, including the above-mentioned motor.

[0133] The specific structure and implementation principle of the motor in this embodiment are the same as the structure of the motor provided in the above embodiment, and can bring the same or similar technical effects. They will not be described one by one here, and the details can be referred to the description of the above embodiment.

[0134] Reference Figures 1 to 10 As shown, this embodiment also provides a vehicle, including the above-mentioned motor or suspension assembly.

[0135] The specific structure and implementation principle of the motor and suspension assembly in this embodiment are the same as the structure of the motor and suspension assembly provided in the above embodiment, and can bring the same or similar technical effects. They will not be described one by one here, and please refer to the description of the above embodiment for details.

[0136] In the description of the embodiments of the present application, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0137] The above are only specific embodiments of the present application, but the scope of protection of this application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A motor, characterized in that: include: a first component (100); a second component (200), wherein the second component (200) and the first component (100) are movable relative to each other; a bearing (300) located between the first component (100) and the second component (200) and connected to one of the first component (100) and the second component (200), the other of the first component (100) and the second component (200) being slidably fitted in the bearing (300); a liquid supply structure (400) for supplying lubricating liquid to the bearing (300); as well as A distribution component (120) is provided on the outer periphery of the bearing (300), and the distribution component (120) is communicated with the liquid supply structure (400) and is used to distribute the lubricating liquid supplied by the liquid supply structure (400) to the bearing (300).

2. The motor according to claim 1, characterized in that The bearing (300) has a first oil inlet (311), which is arranged to penetrate the bearing (300) in a radial direction. A sliding gap exists between the bearing (300) and the other of the first component (100) and the second component (200), and the first oil inlet (311) is connected to the distribution member (120) and the sliding gap.

3. The motor according to claim 2, characterized in that The first oil inlets (311) include at least two, and the at least two first oil inlets (311) are arranged at intervals along the circumference of the bearing (300), and the at least two first oil inlets (311) are respectively connected to the distribution member (120) and the sliding gap.

4. The motor according to claim 2, characterized in that The bearing (300) and the liquid supply structure (400) are provided in the first component (100); the second component (200) includes a core shaft (210); and the core shaft (210) is slidably provided in the bearing (300); The distribution member (120) is located between the liquid supply structure (400) and the bearing (300).

5. The motor according to claim 4, characterized in that The first component (100) includes a housing (110), the housing (110) is provided with a mounting hole, and the distribution member (120) is arranged in the mounting hole; The liquid supply structure (400) is provided on the housing (110).

6. The motor according to claim 2, characterized in that The liquid supply structure (400) includes a liquid supply channel (411), one end of which is a liquid supply inlet (412) for external lubricating liquid to flow in, and the other end of which is a liquid supply outlet (413) connected to the distribution member (120).

7. The motor according to claim 6, characterized in that The first component (100) includes a housing (110), and the liquid supply structure (400) is provided in the housing (110); Along the axial direction of the housing (110), the housing (110) has a first end (111) and a second end (112) that are oppositely arranged, and the liquid supply inlet (412) is located on the side wall of the first end (111) or the side wall of the second end (112).

8. The motor according to claim 6, characterized in that A storage chamber (312) is formed between the bearing (300) and the distribution member (120), and the storage chamber (312) is communicated with the first oil inlet (311) and the liquid supply outlet (413) respectively.

9. The motor according to claim 8, characterized in that The outer wall surface of the bearing (300) has a stepped structure to limit the axial position of the bearing (300), and the stepped structure and the first component (100) enclose the storage cavity (312).

10. The motor according to claim 9, characterized in that The inner wall surface of the bearing (300) is provided with a first flow groove (313), the first flow groove (313) extends along the circumference of the bearing (300), and the first flow groove (313) is respectively connected to the first oil inlet (311) and the sliding gap.

11. The motor according to claim 10, characterized in that The first flow groove (313) is a first annular groove extending along the circumference of the bearing (300).

12. The motor according to claim 10, characterized in that Along the axial direction of the bearing (300), a matching portion (314) for matching with the second component (200) is provided between the groove wall of the first flow groove (313) and the two axial end faces of the bearing (300).

13. The motor according to claim 10, characterized in that The first flow grooves (313) include at least two, and the at least two first flow grooves (313) are spaced apart along the axial direction of the bearing (300); At least two of the first flow grooves (313) are connected to each other, and / or the bottom wall of each of the first flow grooves (313) is provided with at least one first oil inlet (311).

14. The motor according to claim 13, characterized in that The inner wall surface of the bearing (300) is provided with a first communicating groove (315), and two adjacent first flow grooves (313) are connected via the first communicating groove (315).

15. The motor according to claim 14, characterized in that Along the axial direction of the bearing (300), the first communicating groove (315) is an oblique groove arranged to intersect the axial direction of the bearing (300).

16. The motor according to claim 8, characterized in that The distribution member (120) is provided with a second oil inlet (121), the second oil inlet (121) is provided along the radial direction of the distribution member (120), and the second oil inlet (121) is communicated with the liquid supply outlet (413) and the storage chamber (312) respectively.

17. The motor according to claim 16, characterized in that At least one of the first oil inlet (311) and the second oil inlet (121) is arranged opposite to each other.

18. The motor according to claim 16, characterized in that A second flow groove (122) is provided on a side of the distribution member (120) facing the bearing (300), the second flow groove (122) extending along the circumference of the distribution member (120), and the second flow groove (122) is respectively connected to the storage cavity (312) and the first oil inlet (311).

19. The motor according to claim 18, characterized in that The second flow groove (122) is a second annular groove extending along the circumference of the distribution member (120).

20. The motor according to claim 18, characterized in that Along the axial direction of the distribution member (120), a matching body (123) for matching with the bearing (300) is provided between the groove wall of the second flow groove (122) and the two axial end faces of the distribution member (120).

21. The motor according to claim 18, characterized in that The second flow grooves (122) include at least two, and the at least two second flow grooves (122) are spaced apart along the axial direction of the distribution member (120), and two adjacent second flow grooves (122) are connected.

22. The motor according to claim 21, characterized in that There are at least two first oil inlets (311), wherein at least two of the first oil inlets (311) are spaced apart along the axial direction of the bearing (300), and at least two of the second flow grooves (122) are connected to the at least two first oil inlets (311) in a one-to-one correspondence.

23. The motor according to claim 21, characterized in that A second communicating groove (124) is provided on a side of the distribution member (120) facing the bearing (300), and two adjacent second flow grooves (122) are connected via the second communicating groove (124).

24. The motor according to claim 23, characterized in that The second communicating groove (124) is a straight groove extending along the axial direction of the distribution member (120).

25. The motor according to claim 16, characterized in that The distribution piece (120) is sleeved in the first component (100) and is interference-fitted with the first component (100).

26. The motor according to claim 16, characterized in that The distribution member (120) is sleeved outside the bearing (300) and is interference-fitted with the bearing (300).

27. The motor according to any one of claims 1 to 26, characterized in that The motor further comprises a compensation structure (500), wherein the compensation structure (500) is provided in the first component (100) or the second component (200), and the compensation structure (500) is connected to the liquid supply structure (400) to replenish lubricating liquid into the liquid supply structure (400).

28. The motor according to claim 27, characterized in that The compensation structure (500) includes a compensation shell (510) and a movable member (520). The compensation shell (510) has a compensation cavity therein. The movable member (520) is movably arranged in the compensation cavity and divides the compensation cavity into a first cavity (530) and a second cavity (540). The first cavity (530) is provided with an air supply port (550) for external air to enter, and the second cavity (540) is provided with an oil injection port (560) for lubricating liquid to enter, and the oil injection port (560) is respectively connected to the second cavity (540) and the liquid supply structure (400).

29. The electric machine according to claim 28, characterized in that The first chamber (530) is provided with a pressure detector (570).

30. The motor according to any one of claims 1 to 26, characterized in that Along the axial direction of the bearing (300), a sealing structure (600) is provided on at least one of the two sides of the bearing (300), and the sealing structure (600) is located between the first component (100) and the second component (200).

31. The motor according to claim 30, characterized in that The sealing structure (600) includes an oil seal or a Gly ring.

32. A suspension assembly, characterized in that: Comprising a motor as claimed in any one of claims 1 to 31.

33. A vehicle, characterized in that: Comprising the motor according to any one of claims 1 to 31 or the suspension assembly according to claim 32.

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