WO2024066923A1 - Scooter et amortisseur associé - Google Patents

Scooter et amortisseur associé Download PDF

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Publication number
WO2024066923A1
WO2024066923A1 PCT/CN2023/116569 CN2023116569W WO2024066923A1 WO 2024066923 A1 WO2024066923 A1 WO 2024066923A1 CN 2023116569 W CN2023116569 W CN 2023116569W WO 2024066923 A1 WO2024066923 A1 WO 2024066923A1
Authority
WO
WIPO (PCT)
Prior art keywords
shock absorber
sleeve
guide
absorber according
shaft body
Prior art date
Application number
PCT/CN2023/116569
Other languages
English (en)
Chinese (zh)
Inventor
魏林院
王灿
吕荣辉
Original Assignee
纳恩博（常州）科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 纳恩博（常州）科技有限公司 filed Critical 纳恩博（常州）科技有限公司
Publication of WO2024066923A1 publication Critical patent/WO2024066923A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/54—Arrangements for attachment

Definitions

  • the present disclosure relates to the technical field of shock absorption, and in particular to a shock absorber and a mobility scooter using the shock absorber.
  • Scooters, balance bikes and other mobility scooters are becoming more and more popular among consumers due to their simple operation and convenient storage.
  • some mobility scooters are equipped with hydraulic shock absorbers on the front seat tubes.
  • the hydraulic shock absorbers cannot rotate synchronously with the front fork and have poor guiding effects.
  • the present disclosure aims to solve one of the technical problems in the related art at least to some extent.
  • a first aspect of the present disclosure provides a shock absorber that can enhance the synchronization of rotation and has good guiding properties.
  • a second aspect of the present disclosure provides a mobility scooter using the shock absorber provided in the first aspect of the present disclosure.
  • the shock absorber in the first aspect embodiment of the present disclosure includes a sleeve body and a shaft body, wherein the sleeve body is provided with a hydraulic chamber, and the shaft body is provided with a piston portion, and the piston portion is slidably engaged in the hydraulic chamber, and one of the chamber wall of the hydraulic chamber and the outer peripheral wall of the piston portion is provided with a guide groove, and the other is provided with a guide portion, and the guide groove and the guide portion extend along the extension direction of the hydraulic chamber.
  • the shock absorber of the disclosed embodiment can enhance the synchronization of rotation and has good guiding performance.
  • the guide groove is provided on the cavity wall of the hydraulic cavity, and the guide portion is detachably provided on the piston portion.
  • the shock absorber includes an insert, the piston portion is provided with a slot, the slot penetrates the piston portion along a radial direction of the piston portion, the insert fits in the slot, and the portion of the insert extending out of the slot forms the guide portion.
  • the cavity wall of the hydraulic cavity is provided with two guide grooves, both ends of the insert extend to the outside of the slot and form guide parts, and the two guide parts are respectively matched in the two guide grooves.
  • the slot is a long slot, and the extending direction of the slot and the extending direction of the guide slot are Consistent.
  • the shaft body includes a first section and a second section, the radial dimension of the first section is larger than that of the second section, and the first section forms the piston portion.
  • the piston portion separates the hydraulic chamber into a first chamber and a second chamber
  • the shaft body is provided with an oil passage
  • the oil passage connects the first chamber and the second chamber
  • the oil passage runs through the first section
  • the guide portion is provided with a first convex surface and a second convex surface, and the first convex surface and the second convex surface are arranged opposite to each other along the extension direction of the hydraulic chamber.
  • the shock absorber includes a first component and a second component, wherein the first component is disposed at one end of the sleeve and surrounds the outer circumference of the shaft body, and the first component is suitable for sealing and blocking one end of the hydraulic chamber, and the second component is disposed at the other end of the sleeve, and the second component is suitable for sealing and blocking the other end of the hydraulic chamber.
  • the first component includes a shaft sleeve, an oil seal and a limiter
  • the inner wall of the sleeve is provided with an annular groove
  • the limiter fits in the annular groove
  • the limiter is arranged between the oil seal and the shaft sleeve.
  • the first component includes a stopper and a first elastic member
  • the stopper is connected to the sleeve body
  • the oil seal is clamped between the stopper and the limiting member
  • the first elastic member is clamped between the piston portion and the sleeve.
  • the second component includes a plug and a seal
  • the end of the sleeve is provided with an annular cone surface
  • the seal is sleeved on the outer peripheral side of the plug, and the seal is clamped between the annular cone surface and the plug.
  • the shock absorber includes a second elastic member sandwiched between the piston portion and the second component.
  • the shock absorber includes a stop member and a nut member, wherein the stop member is sleeved on the outer peripheral side of the shaft body, one of the stop member and the shaft body is provided with a stop groove, and the other is provided with a stop portion, the stop portion is engaged in the stop groove to realize the stop assembly of the stop member and the shaft body, the nut member is threadedly assembled on the shaft body, and the nut member is suitable for cooperating with the stop member to fix the shaft body.
  • the mobility scooter according to the second aspect of the present disclosure comprises a shock absorber, which is the shock absorber described in the first aspect of the present disclosure.
  • the mobility scooter includes a front fork and a seat tube, the shock absorber is connected between the front fork and the seat tube, one of the sleeve and the shaft is connected to the front fork, and the other is connected to the seat tube.
  • FIG. 1 is a first cross-sectional schematic diagram of the overall structure of a shock absorber according to an embodiment of the present disclosure.
  • FIG. 2 is a second schematic cross-sectional view of the overall structure of the shock absorber according to the embodiment of the present disclosure.
  • FIG. 3 is a schematic cross-sectional view taken along line AA in FIG. 1 .
  • Fig. 4 is a schematic cross-sectional view of the B-B portion in Fig. 1 .
  • FIG. 5 is a schematic structural diagram of the first component in FIG. 1 .
  • FIG. 6 is a schematic structural diagram of the second component in FIG. 1 .
  • FIG. 7 is a schematic diagram of the stop member and the nut member in FIG. 1 .
  • FIG. 8 is a first cross-sectional schematic diagram of the shock absorber in a compressed state according to an embodiment of the present disclosure.
  • FIG. 9 is a second cross-sectional schematic diagram of the shock absorber in a compressed state according to an embodiment of the present disclosure.
  • FIG. 10 is a front schematic diagram of a front fork assembly of a mobility scooter according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic cross-sectional view of a front fork assembly of a mobility scooter according to an embodiment of the present disclosure.
  • Sleeve body 1 hydraulic chamber 11; first chamber 111; second chamber 112; guide groove 12; annular groove 13; annular cone surface 14;
  • Axle body 2 insert 21; guide portion 211; first convex surface 212; second convex surface 213; second section 22; first section 23; oil passage 24; anti-rotation groove 25;
  • First component 3 sleeve 31; limit member 32; oil seal 33; stopper 34; first elastic member 35;
  • Second component 4 plug 41; sealing member 42;
  • a second elastic member 5 is
  • Anti-rotation member 6 Anti-rotation portion 61;
  • the shock absorber 100 includes a sleeve body 1 and a shaft body 2 .
  • a hydraulic chamber 11 is provided in the sleeve body 1, and a piston portion is provided in the shaft body 2.
  • the piston portion can be slidably fitted in the hydraulic chamber 11.
  • One of the chamber wall of the hydraulic chamber 11 and the outer peripheral wall of the piston portion is provided with a guide groove 12, and the other is provided with a guide portion 211.
  • the guide groove 12 and the guide portion 211 extend along the extension direction of the hydraulic chamber 11.
  • the sleeve 1 can be a tubular structure, the sleeve 1 and the hydraulic cavity 11 in the sleeve 1 can extend along the up and down directions, the shaft 2 can be fitted in the sleeve 1, and the shaft 2 can slide in the hydraulic cavity 11 along the up and down directions relative to the sleeve 1.
  • the piston part is arranged at the upper end of the shaft body 2.
  • the piston part can be arranged integrally with the shaft body 2 or detachably from the shaft body 2.
  • a guide portion 211 may be provided on the outer peripheral side of the piston portion, and the guide portion 211 may be integrally provided with the piston portion, or may be detachably connected to the piston portion, and the guide portion 211 may be a guide block.
  • the guide groove 12 may be provided on the cavity wall of the hydraulic cavity 11, and the guide groove 12 may extend in the up-down direction.
  • the guide block When the piston moves in the hydraulic chamber 11, the guide block can move in the guide groove 12, thereby enhancing the guiding performance of the movement between the shaft body 2 and the sleeve body 1.
  • the guide block and the guide groove 12 have a limiting function, the anti-rotation assembly of the shaft body 2 and the sleeve body 1 can be achieved, avoiding the situation where the shaft body 2 and the sleeve body 1 are prone to relative rotation when the shock absorber 100 rotates, thereby ensuring the consistency and synchronization of the rotation.
  • the shock absorber 100 of the disclosed embodiment enhances the synchronization of the rotation of the sleeve 1 and the shaft 2 of the shock absorber 100 by adding the cooperation of the guide part 211 and the guide groove 12 between the piston part and the sleeve 1, and also enhances the guiding property of the sliding between the shaft 2 and the sleeve 1, thereby improving the safety and reliability of use.
  • the guide part 211 and the guide groove 12 are both built into the sleeve 1, so that the appearance of the shock absorber 100 is simple and has fewer parts, which is conducive to improving the integration with the subsequent assembly of the mobility scooter.
  • the guide groove 12 is provided on the cavity wall of the hydraulic cavity 11, and the guide portion 211 is detachably provided on the piston portion.
  • the guide portion 211 can be fixed to the piston portion by means of buckles, fasteners, etc., so as to facilitate subsequent inspection and maintenance.
  • the shock absorber 100 includes an insert 21, which can be a flat plate.
  • the piston part is provided with a slot, which passes through the piston part along the radial direction of the piston part (a direction perpendicular to the up and down directions).
  • the insert 21 can be fitted in the slot, and a part of the insert 21 can extend out of the slot and form a guide portion 211.
  • the insert 21 can be first inserted into the slot, then the guide portion 211 on the insert 21 can be aligned with the guide groove 12, and finally the piston portion can be inserted into the hydraulic chamber 11. This facilitates installation and disassembly and simplifies the arrangement of the guide portion 211.
  • the wall of the hydraulic chamber 11 is provided with two guide grooves 12, and both ends of the insert 21 extend to the outside of the slot and form guide portions 211, and the two guide portions 211 are respectively fitted in the two guide grooves 12.
  • both ends of the insert 21 along the radial direction of the piston portion can extend to the outside of the slot, and the two guide grooves 12 on the wall of the hydraulic chamber 11 can be arranged relative to each other. This can enhance the balance of the structural assembly and avoid the problem of eccentric center of gravity, and can achieve the balance of force and avoid the situation that one side of the shaft body 2 is easily unstable when force is applied.
  • the slot can be a long slot, and the extending direction of the slot is consistent with the extending direction of the guide slot 12, that is, the slot can extend in the up-down direction.
  • the shape of the insert 21 is adapted to the shape of the slot.
  • the fitting area between the insert 21 and the guide slot 12 can be increased, thereby enhancing the guiding property and structural strength, and on the other hand, the thickness of the insert 21 can be made smaller, thereby reducing the resistance of the insert 21 moving in the hydraulic fluid in the hydraulic chamber 11.
  • the shaft body 2 includes a first section 23 and a second section 22, wherein the radial dimension of the first section 23 is larger than that of the second section 22.
  • the first section 22 and the first section 23 form a piston part.
  • the first section 23 and the second section 22 can be integrally arranged, and the first section 23 can be arranged on the upper side of the second section 22.
  • the first section 23 and the second section 22 can both be cylindrical.
  • the first section 23 can be guided and slidably fitted in the hydraulic chamber 11, thereby simplifying the arrangement of the piston part, ensuring the strength of the connection structure of the piston part, and meeting the use requirements.
  • the piston portion separates the hydraulic chamber 11 into a first chamber 111 and a second chamber 112, and the shaft body 2 is provided with an oil passage 24, the oil passage 24 connects the first chamber 111 and the second chamber 112, and the oil passage 24 runs through the first section 23.
  • the hydraulic chambers 11 on the upper and lower sides of the piston portion can form the first chamber 111 and the second chamber 112 respectively, wherein the first chamber 111 can be located below the piston portion, and the second chamber 112 can be located above the piston portion.
  • the oil passage 24 can connect the first chamber 111 and the second chamber 112.
  • the hydraulic fluid in the first chamber 111 can flow into the second chamber 112 via the oil passage 24, and when the shock absorber 100 is contracted, the hydraulic fluid in the second chamber 112 can flow into the first chamber 111 via the oil passage 24, thereby achieving the effect of hydraulic shock absorption.
  • the guide portion 211 is provided with a first convex surface 212 and a second convex surface 213, and the first convex surface 212 and the second convex surface 213 are arranged opposite to each other along the extension direction of the hydraulic chamber 11.
  • the first convex surface 212 can be provided on the upper side of the guide portion 211 and convex upward
  • the second convex surface 213 can be provided on the lower side of the guide portion 211 and convex downward.
  • the first convex surface 212 and the second convex surface 213 can reduce the sliding resistance of the guide portion 211.
  • the shock absorber 100 includes a first component 3 and a second component 4, wherein the first component 3 is disposed at one end of the sleeve 1 and surrounds the outer peripheral side of the shaft 2, and the first component 3 is suitable for sealing and blocking one end of the hydraulic chamber 11, and the second component 4 is disposed at the other end of the sleeve 1, and the second component 4 is suitable for sealing and blocking the other end of the hydraulic chamber 11.
  • the hydraulic chamber 11 can be sealed, and leakage of the hydraulic fluid in the hydraulic chamber 11 can be avoided.
  • the first component 3 includes a sleeve 31 , an oil seal 33 and a limiter 32 .
  • the inner wall of the sleeve body 1 is provided with an annular groove 13 .
  • the limiter 32 fits in the annular groove 13 .
  • the limiter 32 is provided between the oil seal 33 and the sleeve 31 .
  • the inner side of the lower end of the sleeve 1 may be provided with an annular groove 13
  • the stopper 32 may be annular
  • the outer peripheral edge of the stopper 32 may be embedded in the annular groove 13
  • the oil seal 33 may be provided below the stopper 32
  • the shaft sleeve 31 may be provided above the stopper 32.
  • the oil seal 33 plays the role of sealing the lower end of the hydraulic chamber 11
  • the shaft sleeve 31 may be a copper sleeve
  • the shaft sleeve 31 may enhance the guiding property of the sliding of the shaft body 2, and may reduce wear.
  • a step surface may be provided inside the sleeve 1, and the upper end of the shaft sleeve 31 may be matched with the step surface of the sleeve 1 to stop and cooperate, thereby playing the role of limiting the movement stroke of the sleeve 1.
  • the shaft sleeve 31 tends to move downward.
  • the limiting member 32 can form a stop limit for the shaft sleeve 31, thereby avoiding the situation where the shaft sleeve 31 squeezes the oil seal 33 and ensuring the sealing effect of the oil seal 33.
  • the first component 3 includes a stopper 34 and a first elastic member 35 , the stopper 34 is connected to the sleeve body 1 , the oil seal 33 is clamped between the stopper 34 and the limit member 32 , and the first elastic member 35 is clamped between the piston portion and the sleeve 31 .
  • the stopper 34 may be an external nut, and the stopper 34 may be threadedly assembled on the lower end of the sleeve 1, and the oil seal 33 may be assembled in the annular space between the stopper 34 and the limiting member 32.
  • the first elastic member 35 may be a corrugated elastic member. The first elastic member 35 can be sleeved on the outer peripheral side of the second section 22, and the first elastic member 35 can be clamped between the sleeve 31 and the first section 23 (piston part). The first elastic member 35 can avoid the rigid contact between the piston part and the sleeve 31, thereby achieving a buffering effect.
  • the second component 4 includes a plug 41 and a seal 42 , an annular cone 14 is provided at the end of the sleeve 1 , the seal 42 is sleeved on the outer peripheral side of the plug 41 , and the seal 42 is clamped between the annular cone 14 and the plug 41 .
  • the plug 41 can be interference fit or threadedly assembled in the upper end port of the sleeve 1.
  • the seal 42 can be a sealing ring, and the annular conical surface 14 is provided at the upper end of the sleeve 1.
  • the annular conical surface 14 has a certain inclination.
  • the shock absorber 100 includes a second elastic member 5, and the second elastic member 5 is sandwiched between the piston portion and the second component 4.
  • the second elastic member 5 can be a spring, and the second elastic member 5 can be arranged in the second cavity 112.
  • the shock absorber 100 is compressed, the second elastic member 5 can be compressed to store energy, and when the shock absorber 100 is extended, the second elastic member 5 will release the stored energy, further achieving the effect of shock absorption and energy storage.
  • the shock absorber 100 includes a stop member 6 and a nut member 7.
  • the stop member 6 is sleeved on the outer peripheral side of the shaft body 2.
  • One of the stop member 6 and the shaft body 2 is provided with a stop groove 25, and the other is provided with a stop portion 61.
  • the stop portion 61 is engaged in the stop groove 25 to realize the stop assembly of the stop member 6 and the shaft body 2.
  • the nut member 7 is threadedly assembled on the shaft body 2, and the nut member 7 is suitable for cooperating with the stop member 6 to fix the shaft body 2.
  • the stop member 6 can be annular, and two stop portions 61 can be provided on the inner side of the stop member 6.
  • Two stop grooves 25 can be provided on the shaft body 2.
  • the two stop grooves 25 can both extend in the up and down directions.
  • the nut member 7 can be a nut, and the nut member 7 can be arranged below the stop member 6.
  • a gasket 8 can be arranged between the nut member 7 and the stop member 6. During assembly, the distance between the gasket 8 and the stop member 6 can be adjusted by rotating the nut member 7, so that a part of the front fork 200 can be clamped and fixed between the nut member 7 and the stop member 6, thereby realizing the installation and fixation of the shock absorber 100.
  • the anti-rotation member 6 may be provided with a plurality of protrusions
  • the front fork 200 may be provided with a plurality of insertion holes
  • the plurality of protrusions may be inserted into the plurality of insertion holes, thereby realizing the anti-rotation assembly of the anti-rotation member 6 and the front fork 200 .
  • the following describes a mobility scooter according to an embodiment of the present disclosure.
  • the scooter of the embodiment of the present disclosure includes a shock absorber 100, and the shock absorber 100 may be the shock absorber 100 described in the embodiment of the first aspect above.
  • the scooter may be an electric scooter, an electric bicycle, an electric balance car, etc., and of course, it may also be other scooters that require the use of the shock absorber 100.
  • the scooter includes a front fork 200 and a seat tube, and the shock absorber 100 is connected between the front fork 200 and the seat tube, and one of the sleeve 1 and the shaft 2 is connected to the front fork 200, and the other is connected to the sleeve 1 and the shaft 2. Connected to the riser.
  • a seat tube (not shown) may be disposed above the front fork 200, the shock absorber 100 may be connected between the seat tube and the front fork 200, the shaft 2 of the shock absorber 100 may be connected to the front fork 200, and the sleeve 1 of the shock absorber 100 may be connected to the seat tube.
  • the shaft 2 may also be connected to the front fork 200, and the sleeve 1 may also be connected to the seat tube.
  • the shock absorber 100 has good rotation synchronization and sliding guidance, thereby facilitating the transmission of the torsional effect of the seat tube to the front fork 200, and facilitating the steering adjustment of the front wheel.
  • 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 technical features indicated.
  • a feature defined as “first” or “second” may explicitly or implicitly include at least one of the features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” 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 communication with each other; 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, unless otherwise clearly defined.
  • installed installed”, “connected”, “connected”, “fixed” 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 communication with each other; 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, unless otherwise clearly defined.
  • the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.
  • a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium.
  • a first feature being “above”, “above” or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • a first feature being “below”, “below” or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
  • the terms “one embodiment”, “some embodiments”, “examples”, “specific examples”, or “some examples” mean 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 present disclosure.
  • the schematic representations of the above terms do not necessarily refer to the same embodiment or example.
  • the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
  • those skilled in the art will The different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

L'invention concerne un scooter et un amortisseur associé. L'amortisseur comprend un manchon (1) et un arbre (2) ; une cavité hydraulique (11) est formée dans le manchon (1) ; l'arbre (2) est pourvu d'une partie piston ; la partie piston est ajustée de manière coulissante dans la cavité hydraulique (11) ; l'une de la paroi de la cavité hydraulique (11) et de la paroi périphérique de la partie piston est pourvue d'une rainure de guidage (12), et l'autre de la paroi de la cavité hydraulique et de la paroi périphérique de la partie piston est pourvue d'une partie de guidage (211) ; et la rainure de guidage (12) et la partie de guidage (211) s'étendent dans la direction d'extension de la cavité hydraulique (11).
PCT/CN2023/116569 2022-09-30 2023-09-01 Scooter et amortisseur associé WO2024066923A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202222602954.2 2022-09-30
CN202222602954.2U CN218440385U (zh) 2022-09-30 2022-09-30 代步车及其避震器

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Publication Number Publication Date
WO2024066923A1 true WO2024066923A1 (fr) 2024-04-04

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WO (1) WO2024066923A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218440385U (zh) * 2022-09-30 2023-02-03 纳恩博（常州）科技有限公司 代步车及其避震器

Citations (8)

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DE102011076200A1 (de) * 2011-05-20 2012-11-22 Bayerische Motoren Werke Aktiengesellschaft Teleskop-Schwingungsdämpfer
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