WO2023236782A1 - 避震器和代步车 - Google Patents

避震器和代步车 Download PDF

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Publication number
WO2023236782A1
WO2023236782A1 PCT/CN2023/096380 CN2023096380W WO2023236782A1 WO 2023236782 A1 WO2023236782 A1 WO 2023236782A1 CN 2023096380 W CN2023096380 W CN 2023096380W WO 2023236782 A1 WO2023236782 A1 WO 2023236782A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft body
cavity
shock absorber
fluid
plug
Prior art date
Application number
PCT/CN2023/096380
Other languages
English (en)
French (fr)
Inventor
魏林院
韦活成
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 WO2023236782A1 publication Critical patent/WO2023236782A1/zh

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Classifications

    • 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
    • F16F9/32—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
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • 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 absorbers, and specifically, to a shock absorber and a scooter using the shock absorber.
  • scooters such as electric scooters and electric balance scooters have emerged and are favored by more and more consumers.
  • scooters in related technologies encounter damaged roads, potholes, and speed bumps. There is a problem of obvious body vibration and poor riding comfort.
  • the present disclosure aims to solve one of the technical problems in the related art, at least to a certain extent.
  • embodiments of the present disclosure propose a shock absorber that can enhance the shock absorption and buffering of a mobility scooter and improve riding comfort.
  • An embodiment of the present disclosure also provides a scooter using the above shock absorber.
  • the shock absorber in the embodiment of the present disclosure includes: a sleeve body, a first cavity is provided in the sleeve body, the first cavity is suitable for storing fluid; a first shaft body, the first shaft body is provided with a first piston part , the first shaft body is slidably fitted in the first chamber through the first piston part, and the first piston part separates the first chamber into a first fluid chamber and a second fluid chamber, A fluid channel is provided in the first shaft body. The first fluid chamber and the second fluid chamber are connected through the fluid channel. The fluid channel is suitable for realizing the fluid in the first fluid chamber and the second fluid chamber.
  • the reciprocating transport of fluid in the fluid chamber is used to buffer the compression or expansion of the sleeve body and the first shaft body; a first component, the first component is provided at one end of the sleeve body and sleeved on the third The outer peripheral side of a shaft body, the first component is suitable for sealing and blocking one side of the first cavity; the second component is located at the other end of the sleeve body, the second component Suitable for sealing and blocking the other side of the first cavity.
  • the shock absorber in the embodiment of the present disclosure can enhance the shock absorption and buffering of the scooter and improve the riding comfort.
  • the shock absorber includes a first elastic member.
  • One end of the first elastic member is connected to or stops against the first shaft body, and the other end of the first elastic member is connected to the second component. Connected or stopped, the first elastic member is suitable for buffering the compression and expansion of the sleeve body and the first shaft body.
  • the first component includes a first seal, a first stopper and a second stopper, the first stopper is provided on the end surface of the sleeve body, and the second stopper The stopper is provided in the sleeve body, and the first sealing member is sandwiched between the first stopper and the second stopper and sealingly surrounds the first shaft body and the sleeve body. between.
  • the first component includes a second elastic member
  • the second stopper is slidably provided in the sleeve
  • the second stopper is located between the second elastic member and Between the first sealing members, one end of the second elastic member The second elastic member stops against the second stopper, the other end of the second elastic member stops against the inner wall of the sleeve body, and the second elastic member can elastically contact the first piston part.
  • the second assembly includes a plug and a second seal, at least part of the plug fits within the sleeve, and the second seal sealingly surrounds the plug and the sleeve. between bodies.
  • the second component includes a gas nozzle
  • the gas nozzle is provided on the plug and communicates with the first cavity
  • the gas nozzle is adapted to inject gas into the first cavity
  • the first shaft body is provided with a second cavity and a first hole
  • the second cavity and the first hole form the fluid channel
  • the second component includes a second shaft body
  • the second shaft body is provided with a second piston part
  • the second shaft body is slidably fitted in the second cavity through the second piston part
  • the second shaft body is provided with a communication channel
  • the first fluid chamber is formed between the first piston part and the first component
  • the second fluid chamber is formed between the first piston part and the second component
  • the communication channel communicates with the a second fluid chamber and said second chamber.
  • the second component includes a third shaft body, a third cavity and a second hole are provided in the second shaft body, part of the third cavity and the second hole form the communication channel , the third shaft body is fit in the third cavity in an adjustable position, and the third shaft body is suitable for adjusting the flow cross-section size of the second hole.
  • the second component includes a plug and a driving member.
  • the plug is sealingly fitted in the sleeve body.
  • the second shaft body is connected to the plug.
  • a threaded hole, the third shaft body is threadedly assembled in the threaded hole of the plug, the driving member is rotatably provided on the plug, and the driving member is engaged with the third shaft body. Turn connected.
  • the plug is provided with a third stopper, and the third stopper is adapted to block the driving member to avoid separation of the driving member and the plug.
  • the second component includes a third elastic member and a ball
  • the third elastic member and the ball are provided on one of the plug and the driving member
  • the plug and The other of the driving member is provided with a plurality of circumferentially spaced limiting grooves
  • the third elastic member is adapted to push the ball into the corresponding limiting groove when the driving member rotates.
  • a limiting portion is provided on the outer peripheral side of the sleeve body.
  • the scooter in the embodiment of the present disclosure includes a shock absorber, and the shock absorber is the shock absorber described in any of the above embodiments.
  • the scooter includes a front fork and a riser, the shock absorber is connected between the front fork and the riser, and one of the sleeve body and the first axle body is adapted to One is connected to the front fork, and the other is suitable to be connected to the seat tube.
  • the shock absorber includes a connecting component, the connecting component is provided on the first axle body, and the first axle body is connected and fixed with the front fork through the connecting component.
  • connection assembly includes a nut, a washer and a spacer, the spacer is provided on the first shaft body, and the washer is provided between the nut and the spacer.
  • the front fork is suitable for clamping and fixing between the gasket and the pad block, one of the pad block and the front fork is provided with a protrusion, and the other is provided with a groove, The protrusion is adapted to fit within the groove to limit relative displacement of the first axle body and the front fork.
  • FIG. 1 is an extended schematic diagram of a shock absorber according to an embodiment of the present disclosure.
  • Figure 2 is a schematic cross-sectional view of the shock absorber in Figure 1.
  • Figure 3 is a schematic cross-sectional view of the shock absorber in Figure 1.
  • FIG. 4 is a schematic diagram of compression of the shock absorber according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic cross-sectional view of the shock absorber in FIG. 4 .
  • FIG. 6 is an extended cross-sectional view of a shock absorber according to another embodiment of the present disclosure.
  • FIG. 7 is an extended cross-sectional view of a shock absorber according to yet another embodiment of the present disclosure.
  • FIG. 8 is an extended cross-sectional view of a shock absorber according to yet another embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of the second component of the shock absorber in FIG. 8 .
  • FIG. 10 is a schematic cross-sectional view of the second component in FIG. 9 .
  • FIG. 11 is an enlarged schematic view of the driving member in FIG. 10 .
  • FIG. 12 is a schematic cross-sectional view of the shock absorber in FIG. 8 during compression.
  • Figure 13 is a schematic diagram of the installation of the shock absorber of the scooter according to the embodiment of the present disclosure.
  • FIG. 14 is a schematic cross-sectional view of the installation of the shock absorber of the scooter according to the embodiment of the present disclosure.
  • Figure 15 is a schematic cross-sectional view of the installation of a shock absorber of a mobility scooter according to another embodiment of the present disclosure.
  • Shock absorber 100 Cover body 1; first chamber 11; second fluid chamber 111; first fluid chamber 112; First shaft body 2; first piston part 21; fluid channel 22; first hole 221; second cavity 222; Connection component 3; gasket 31; nut piece 32; spacer block 33; The first component 4; the first sealing member 41; the first stopper 42; the second stopper 43; the second elastic member 44; Second component 5; plug 51; second seal 52; air nozzle 53; second shaft body 54; second piston part 541; communication channel 55; third cavity 551; second hole 552; third shaft body 56 ; Driving member 57; Adjustment lever 571; Knob 572; Third stopper 58; Ball 59; Third elastic member 510; first elastic member 6; Limiting part 7; 200 for front fork.
  • the shock absorber 100 in the embodiment of the present disclosure includes a sleeve body 1 , a first shaft body 2 , a first component 4 and a second component 5 .
  • the sleeve body 1 is provided with a first cavity 11, and the first cavity 11 is suitable for storing fluid.
  • the cover body 1 can be in the shape of a circular tube, and the cover body 1 can extend along the up and down direction.
  • the inner cavity of the sleeve body 1 forms a first cavity 11, and the first cavity 11 also extends generally along the up and down direction.
  • the first chamber 11 is used to store fluid.
  • the fluid may be gas or a mixture of hydraulic oil and gas.
  • the first shaft body 2 is provided with a first piston part 21.
  • the first shaft body 2 is slidably fitted in the first chamber 11 through the first piston part 21.
  • the first piston part 21 divides the first chamber 11 into a first flow.
  • the body cavity 112 and the second fluid cavity 111 are provided with a fluid channel 22 in the first shaft body 2.
  • the first fluid cavity 112 and the second fluid cavity 111 are connected through the fluid channel 22.
  • the fluid channel 22 is suitable for realizing the fluid flow in the first fluid cavity 112. and reciprocating transportation of the fluid in the second fluid chamber 111 to buffer the compression or expansion of the sleeve body 1 and the first shaft body 2 .
  • the first shaft body 2 may be generally in the shape of a circular shaft, and the first shaft body 2 may be a hollow shaft.
  • the first shaft body 2 is fitted in the first cavity 11 of the sleeve body 1 and can reciprocate along the up and down direction in the first cavity 11 .
  • the right end of the first shaft body 2 is provided with a first piston portion 21.
  • the right end of the first shaft body 2 can be provided with a large diameter section.
  • the outer circumferential side of the large diameter section is provided with an annular groove, and a guide sleeve can be embedded in the annular groove.
  • the material of the guide sleeve can be rubber.
  • the guide sleeve can achieve sealing between the first shaft body 2 and the inner wall of the sleeve body 1 .
  • the large diameter section and the guide sleeve form the first piston part 21 .
  • the first piston part 21 When in use, the first piston part 21 is assembled in the first cavity 11 , and the first piston part 21 can move back and forth in the first cavity 11 . Since the first piston part 21 is sealed and assembled in the sleeve body 1 , the first piston part 21 can divide the first chamber 11 into two independent movable chambers, namely the first fluid chamber 112 and the second fluid chamber 111 respectively.
  • the first fluid chamber 112 is located on the lower side of the first piston part 21 .
  • the first fluid chamber 112 is formed by the annular space between the first shaft body 2 and the sleeve body 1 .
  • the second fluid chamber 111 is located on the upper side of the second piston part 541 , the second fluid chamber 111 is formed by the first chamber 11 on the upper side of the first piston part 21 .
  • the fluid channel 22 is provided in the first shaft body 2.
  • the fluid channel 22 has two ports. One port can be located at the upper end of the first shaft body 2 and communicates with the second fluid chamber 111, and the other port can be located at the first shaft body 2. 2 and communicates with the first fluid chamber 112 .
  • the first component 4 is disposed at one end of the sleeve 1 and sleeved on the outer peripheral side of the first shaft 2 .
  • the first component 4 is suitable for sealing and blocking one side of the first cavity 11 .
  • the second component 5 is disposed on the sleeve 1 At the other end of the first cavity 11 , the second component 5 is adapted to seal and block the other side.
  • the first component 4 is provided at the lower end of the sleeve 1.
  • the first component 4 is generally annular, and the first component 4 can seal and block the lower side of the first cavity 11.
  • the second component 5 is provided at the upper end of the sleeve body 1, the second component 5 can be inserted into the sleeve body 1, and the second component 5 can seal and block the upper side of the first cavity 11.
  • the first component 4 and the second component 5 are arranged so that the first fluid chamber 112 and the second fluid chamber 111 are sealed chambers.
  • the first shaft body 2 can be connected and fixed with the first component.
  • the first component can be the riser of the scooter.
  • the second shaft body 54 can be connected and fixed with the second component.
  • the second component may also be the front fork 200 of the scooter.
  • the first fluid chamber 112 When the first shaft body 2 and the sleeve body 1 extend, as shown in Figures 2 and 3, the first fluid chamber 112 will be compressed, and the second fluid chamber 111 will become larger. At this time, the fluid in the first fluid chamber 112 The fluid can flow into the second fluid chamber 111 via the fluid channel 22 , and the fluid can play a buffering role during the process of being compressed, thereby achieving shock absorption of the shock absorber 100 .
  • the first fluid chamber 112 When the first shaft body 2 and the sleeve body 1 are compressed, as shown in Figures 4 and 5, the first fluid chamber 112 will become larger and the second fluid chamber 111 will be compressed. At this time, the fluid in the second fluid chamber 111 will Fluid may flow into the first fluid chamber via fluid channel 22 Within 112, the fluid can play a buffering role during the process of being compressed, thereby achieving shock absorption of the shock absorber 100.
  • the fluid in the first chamber 11 is preferably a mixture of hydraulic oil and gas.
  • the gas has a good buffering effect, and the hydraulic oil can be sandwiched between the first piston part 21 and the first component 4, or between the first piston part 21 and the second component 5, thereby avoiding the first
  • the rigid contact between the piston part 21 and the sleeve body 1 plays a role in preventing bottoming.
  • the shock absorber 100 of the embodiment of the present disclosure can be installed on a mobility scooter during use, thereby enhancing the shock absorption and buffering of the mobility scooter, weakening the vibration of the mobility scooter, and improving the safety and comfort of riding.
  • the shock absorber 100 includes a first elastic member 6 , one end of the first elastic member 6 is connected to or stops with the first shaft 2 , and the other end of the first elastic member 6 is connected with or stops with the second component 5 .
  • the first elastic member 6 is suitable for buffering the compression and expansion of the sleeve body 1 and the first shaft body 2 .
  • the first elastic member 6 may be a spring, and the first elastic member 6 may be disposed in the second fluid chamber 111 and sandwiched between the first piston part 21 and the second component 5 , where the lower end of the first elastic member 6 stops against the first piston part 21 , and the upper end of the first elastic member 6 stops against the second component 5 . Therefore, when the second fluid chamber 111 is compressed, the first elastic member 6 can compress and store energy, which can further enhance the buffering effect.
  • the first elastic member 6 may be a tension spring.
  • the first elastic member 6 is connected between the first piston part 21 and the second component 5 .
  • the first elastic member 6 can stretch and store energy, thereby playing a buffering role.
  • the first elastic member 6 may not be provided in the shock absorber 100 , and in this case, only fluid can be used to achieve buffering and shock absorption.
  • the first component 4 includes a first seal 41 , a first stopper 42 and a second stopper 43 .
  • the first stopper 42 is provided on the end surface of the sleeve body 1
  • the second stopper 43 43 is provided in the sleeve body 1.
  • the first sealing member 41 is sandwiched between the first stopper 42 and the second stopper 43 and seals around the first shaft body 2 and the sleeve body 1.
  • the first stopper 42 may be a stopper.
  • the first stopper 42 is annular and fixed on the lower end surface of the sleeve body 1 through fasteners such as screws. .
  • the lower inner side of the sleeve body 1 can be provided with an annular step, and the second stopper 43 can be a copper sleeve.
  • the second stopper 43 is sleeved on the outer peripheral side of the first shaft body 2, and the upper end of the second stopper 43 It is blocked by the annular step in the sleeve body 1.
  • the first seal 41 may be an oil seal.
  • the first seal 41 sealingly surrounds between the first shaft body 2 and the sleeve body 1 , and the first seal 41 is sandwiched between the first stopper 42 and the second stopper 43 between.
  • the lower side of the first fluid chamber 112 can be sealed and blocked, preventing fluid leakage and ensuring the buffering effect.
  • the first component 4 includes a second elastic member 44 , a second stopper 43 is slidably provided in the sleeve 1 , and the second stopper 43 is located between the second elastic member 44 and the first seal. Between the parts 41, one end of the second elastic part 44 stops against the second stopper 43, the other end of the second elastic part 44 stops against the inner wall of the sleeve body 1, and the second elastic part 44 can be with the first piston. Part 21 is in elastic contact.
  • the second elastic member 44 may be a wave spring.
  • the second elastic member 44 is sleeved on the outer peripheral side of the first shaft body 2 and located in the sleeve body 1 .
  • the upper end of the elastic member 44 can stop against the annular step of the sleeve body 1
  • the lower end of the second elastic member 44 can stop against the second stopper 43 .
  • the lower end of the first piston part 21 can contact the second elastic member 44 , and the second elastic member 44 can further buffer the first piston part 21 .
  • the second stopper 43 will squeeze the first seal 41 after being acted upon by the second elastic member 44, and the first seal 41 will deform along the radial direction, thereby enhancing the sealing effect.
  • the second assembly 5 includes a plug 51 and a second sealing member 52 , at least part of the plug 51 is fitted in the sleeve body 1 , and the second sealing member 52 sealingly surrounds between the plug 51 and the sleeve body 1 .
  • the plug 51 can be fixed on the upper end of the sleeve 1 and embedded in the sleeve 1 .
  • the plug 51 can be welded or threaded to assemble with the sleeve 1 . connected.
  • the outer peripheral side of the plug 51 may be provided with an annular groove
  • the second sealing member 52 may be a sealing ring
  • the second sealing member 52 may be assembled in the annular groove of the plug 51 .
  • the upper side of the second fluid chamber 111 can be sealed.
  • the second component 5 includes a gas nozzle 53 , which is disposed on the plug 51 and communicates with the first cavity 11 .
  • the gas nozzle 53 is suitable for injecting gas into the first cavity 11 .
  • a mounting hole may be provided in the plug 51 , and the air nozzle 53 may be fixed in the mounting hole of the plug 51 .
  • the air nozzle 53 may include a shell and a valve core. Gas can be filled into the second fluid chamber 111 through the air nozzle 53, which facilitates the replenishment of gas and also facilitates the adjustment of the buffering force of the shock absorber 100.
  • the first shaft body 2 is provided with a second cavity 222 and a first hole 221.
  • the second cavity 222 and the first hole 221 form a fluid channel 22.
  • the second assembly 5 includes a second shaft body 54.
  • the shaft body 54 is provided with a second piston part 541.
  • the second shaft body 54 is slidably fitted in the second cavity 222 through the second piston part 541.
  • the second shaft body 54 is provided with a communication channel 55.
  • the first fluid chamber 112 Formed between the first piston part 21 and the first component 4
  • the second fluid chamber 111 is formed between the first piston part 21 and the second component 5
  • the communication passage 55 communicates the second fluid chamber 111 and the second chamber 222 .
  • the first shaft body 2 is provided with a second cavity 222 and a first hole 221 .
  • the second cavity 222 generally extends along the up and down direction, and the opening of the second cavity 222 faces upward.
  • the first hole 221 generally extends along the radial direction (left and right direction) of the first shaft body 2 , the first hole 221 and the second cavity 222 are connected, and the first hole 221 and the second cavity 222 form the fluid channel 22 .
  • the second shaft body 54 can be integrally provided with the plug 51.
  • a second piston part 541 is provided at the lower end of the second shaft body 54.
  • the second piston part 541 is also formed by a large diameter section and a guide sleeve.
  • the structure of the second piston part 541 is generally the same as that of the first piston part 21 and will not be described again here.
  • the second piston part 541 is sealingly fitted in the second cavity 222 of the first shaft body 2 and is slidable along the extending direction of the second cavity 222 .
  • the communication channel 55 is provided in the second shaft body 54.
  • the communication channel 55 may also be provided with two ports, one of which is provided at the lower end of the second shaft body 54 and communicates with the second cavity 222; the other port may be provided at the lower end of the second shaft body 54.
  • the outer peripheral wall of the two-axis body 54 is connected with the second fluid chamber 111 , and the port is located between the second piston part 541 and the plug 51 .
  • the second piston part 541 When the shock absorber 100 is compressed, as shown in FIG. 12 , the second piston part 541 is located on the lower side of the first hole 221 , and the fluid in the first fluid chamber 112 can pass through the second shaft 54 and the first shaft in sequence. 2 flows into the second cavity 222 of the first shaft body 2 , and can also flow into the second fluid chamber 111 through the annular space between the second shaft body 54 and the first shaft body 2 . After the second piston part 541 moves to the upper side of the first hole 221, as shown in FIG. 8, the fluid in the first fluid chamber 112 can directly flow into the second chamber 222 of the first shaft body 2. Fluid can It flows into the second fluid chamber 111 via the communication channel 55 .
  • the second piston part 541 When the shock absorber 100 is extended, as shown in FIG. 8 , at this time, the second piston part 541 is located on the upper side of the first hole 221 , and the fluid in the second fluid chamber 111 can flow in through the communication channel 55 and the fluid channel 22 in sequence. inside the first fluid chamber 112 .
  • the second piston part 541 moves to the lower side of the first hole 221, as shown in FIG. 12, the fluid in the second chamber 222 can flow into the second fluid chamber 111 through the communication channel 55, and the fluid in the second fluid chamber 111 It can flow into the first fluid chamber 112 via the first hole 221 .
  • the compression or expansion guidance of the shock absorber 100 can be enhanced to ensure the stability of the drive.
  • the pressure of the fluid can be varied, which is beneficial to enhancing the buffering effect.
  • the second component 5 includes a third shaft body 56.
  • the second shaft body 54 is provided with a third cavity 551 and a second hole 552. Part of the third cavity 551 and the second hole 552 form a communication channel 55.
  • the third shaft body 56 is positionably fitted in the third cavity 551 , and the third shaft body 56 is suitable for adjusting the flow cross-section size of the second hole 552 .
  • the third cavity 551 is provided in the second shaft body 54 , the opening of the third cavity 551 faces the lower side, and the third cavity 551 generally extends along the up and down direction.
  • the second hole 552 extends generally along the radial direction (left-right direction) of the second shaft body 54 , and the second hole 552 communicates with the third cavity 551 to form a communication channel 55 .
  • the third shaft body 56 can be a rod-shaped adjustment plug.
  • the third shaft body 56 is fitted in the third cavity 551 and can move up and down in the third cavity 551. During the movement, the third shaft body 56 can adjust the second shaft body 56.
  • the hole 552 is blocked, so that the flow cross section of the second hole 552 can be adjusted, and the buffering effect can be adjusted to meet the use requirements of different groups of people.
  • the second component 5 includes a plug 51 and a driving member 57.
  • the plug 51 is sealingly fitted in the sleeve body 1.
  • the second shaft 54 is connected to the plug 51.
  • the plug 51 is provided with a threaded hole.
  • the third shaft body 56 is threadedly assembled in the threaded hole of the plug 51 .
  • the driving member 57 is rotatably provided on the plug 51 , and the driving member 57 is connected to the third shaft body 56 to prevent rotation.
  • the threaded hole in the plug 51 extends generally along the up and down direction, and the upper end of the third shaft body 56 can be threadedly fitted into the threaded hole.
  • the upper end of the third shaft body 56 An anti-rotation groove may be provided, and the driving member 57 may be rotatably fitted in the plug 51 .
  • the lower end of the driving member 57 may be provided with an anti-rotation part, and the anti-rotation part may be anti-rotationally fitted in the anti-rotation groove.
  • the driving member 57 can drive the third shaft body 56 to rotate. Under the action of the thread, the driving member 57 can move in the up and down direction, thereby achieving the flow cross-section size of the second hole 552. adjustment.
  • the plug 51 is provided with a third stopper 58 , and the third stopper 58 is adapted to block the driving member 57 to avoid separation of the driving member 57 and the plug 51 .
  • the third stopper 58 can be a wire spring, and an annular groove can be provided on the inner peripheral wall of the plug 51.
  • the third stopper 58 is annular and embedded in the annular groove of the plug 51.
  • the blocking member 58 can block the driving member 57 , thereby preventing the driving member 57 from protruding from the upper side of the plug 51 .
  • the second component 5 includes a third elastic member 510 and a ball 59 .
  • the third elastic member 510 and the ball 59 are disposed on one of the plug 51 and the driving member 57 .
  • the other one is provided with a plurality of circumferentially spaced limiting grooves, and the third elastic member 510 is adapted to push the ball 59 into the corresponding limiting groove when the driving member 57 rotates.
  • the driving member 57 can be divided into two parts.
  • the two parts are an adjusting rod 571 and a knob 572.
  • the adjusting rod 571 is used to prevent rotation with the third shaft 56, and the knob 572 is located at The outside of the plug 51 is used to drive the adjusting rod 571 to rotate.
  • the knob 572 may be provided with an assembly groove, and the third elastic member 510 may be a spring. 510 can be assembled in the assembly groove, the ball 59 can be a steel ball, and the ball 59 can be located at the notch of the assembly groove.
  • the upper end surface of the plug 51 may be provided with a plurality of limiting grooves, and the plurality of limiting grooves are arranged at intervals along the circumferential direction of the plug 51 .
  • the balls 59 can respectively correspond to the plurality of limiting grooves, and the third elastic member 510 can push the balls 59 into the limiting grooves, thereby enhancing the damping feeling and blocking effect.
  • the limiting groove may be a semicircular groove.
  • a limiting portion 7 is provided on the outer peripheral side of the sleeve body 1 . As shown in FIG. 2 , the limiting portion 7 can be integrally formed with the sleeve body 1 . The limiting portion 7 can be a protrusion on the outer peripheral wall of the sleeve body 1 . The rotation range of the sleeve body 1 can be limited by blocking with corresponding components.
  • the following describes a mobility scooter according to an embodiment of the present disclosure.
  • the scooter in 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 above embodiment.
  • the mobility scooter can be an electric scooter, an electric bicycle, an electric balance car, etc., and of course it can also be other mobility scooters that require the use of a shock absorber 100 .
  • the scooter includes a front fork 200 and a riser, the shock absorber 100 is connected between the front fork 200 and the riser, and one of the sleeve body 1 and the first axle body 2 is adapted to connect with the front fork 200 Connected, the other is suitable for connecting to the riser.
  • the seat tube (not shown) may be provided above the front fork 200 , and the shock absorber 100 may be connected between the seat tube and the front fork 200 .
  • the first shaft of the shock absorber 100 2 can be connected to the front fork 200, and the sleeve body 1 of the shock absorber 100 can be connected to the seat tube.
  • the first shaft body 2 can also be connected to the front fork 200, and the sleeve body 1 can also be connected to the seat tube.
  • the shock absorber 100 includes a connecting component 3.
  • the connecting component 3 is provided on the first shaft body 2.
  • the first shaft body 2 is connected and fixed with the front fork 200 through the connecting component 3.
  • the connecting component 3 can be provided at the lower end of the first shaft body 2.
  • the connecting component 3 can connect and fix the first shaft body 2 and the front fork 200, thus facilitating the installation of the shock absorber 100 and the front fork 200. .
  • connection component 3 includes a nut member 32, a washer 31 and a spacer block 33.
  • the spacer block 33 is provided on the first axle body 2.
  • the washer 31 is provided between the nut member 32 and the spacer block 33.
  • the front fork 200 is suitable for clamping and fixing between the gasket 31 and the pad 33.
  • One of the pad 33 and the front fork 200 is provided with a protrusion, and the other is provided with a groove.
  • the protrusion is adapted to fit in the groove. to limit the relative displacement of the first axle body 2 and the front fork 200 .
  • both the gasket 31 and the pad 33 are annular.
  • the pad 33 can be fixed on the outer peripheral side of the first shaft body 2 , and the pad 33 can have a certain elasticity.
  • the nut member 32 can be threadedly assembled on the outer peripheral side of the first shaft body 2 , and the gasket 31 can be located between the nut member 32 and the spacer block 33 .
  • the front fork 200 can be sandwiched between the spacer 31 and the spacer block 33, and the front fork 200 can be locked by the nut 32, thereby facilitating connection and fixation.
  • the gasket 31 can be a rotation-proof gasket 31 so as to limit circumferential rotation.
  • the pad 33 can be provided with protrusions, and the front fork 200 can be provided with grooves, and the protrusions can fit in the grooves, thereby constraining the freedom of the pad 33 and the front fork 200 and improving the compactness of assembly.
  • protrusions can also be provided on the front fork 200 and grooves can also be provided on the cushion block 33 .
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include at least one of these features. In the description of the present disclosure, “plurality” means at least two, such as two, three, etc., unless otherwise explicitly defined in some embodiments.
  • connection In this disclosure, unless otherwise explicitly stated and limited, the terms “installation”, “connection”, “connection”, “fixing” and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated; it can be mechanically connected, electrically connected or communicable with each other; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction between two elements, Unless otherwise expressly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this disclosure can be understood according to specific circumstances.
  • a first feature being “on” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features may be in indirect contact through an intermediary. touch.
  • the terms “above”, “above” and “above” the first feature is above the second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature.
  • "Below”, “below” and “beneath” the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.
  • references to the terms “one embodiment,” “some embodiments,” “an example,” “specific examples,” or “some examples” or the like means that specific features are described in connection with the embodiment or example. , structures, materials, or features are included in at least one embodiment or example of the present disclosure. In this specification, the schematic expressions of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification unless they are inconsistent with each other.

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Abstract

本公开公开了一种避震器，包括套体，第一轴体，第一组件，第二组件，套体内设有第一腔，第一腔适于存储流体；第一轴体设有第一活塞部，第一轴体通过第一活塞部可滑移地配合在第一腔内，第一活塞部将第一腔分隔为第一流体腔和第二流体腔，第一轴体内设有流体通道，第一流体腔和第二流体腔通过流体通道连通，流体通道适于实现第一流体腔内的流体和第二流体腔内的流体的往复输送；第一组件设于套体的一端并套设在第一轴体的外周侧，第一组件适于密封封堵第一腔的一侧；第二组件设于套体的另一端，第二组件适于密封封堵第一腔的另一侧。

Description

避震器和代步车
相关申请的交叉引用
本申请基于申请号为202221383860.4、申请日为2022年06月06日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本公开涉及避震技术领域，具体地，涉及一种避震器和应用该避震器的代步车。
背景技术
为了满足城市短途代步，诸如电动滑板车、电动平衡车等代步车应运而生并受到越来越多的消费者青睐，但是相关技术中的代步车在遇到破坏路、坑洼路面、减速带时存在车身振动明显，骑行舒适度差的问题。
发明内容
本公开旨在至少在一定程度上解决相关技术中的技术问题之一。
为此，本公开实施例提出一种避震器，该避震器能够增强代步车的减震缓冲，提升了骑行的舒适性。
本公开实施例还提出一种应用上述避震器的代步车。
本公开实施例的避震器包括：套体，所述套体内设有第一腔，所述第一腔适于存储流体；第一轴体，所述第一轴体设有第一活塞部，所述第一轴体通过所述第一活塞部可滑移地配合在所述第一腔内，所述第一活塞部将所述第一腔分隔为第一流体腔和第二流体腔，所述第一轴体内设有流体通道，所述第一流体腔和所述第二流体腔通过所述流体通道连通，所述流体通道适于实现所述第一流体腔内的流体和所述第二流体腔内的流体的往复输送以缓冲所述套体和所述第一轴体的压缩或伸展；第一组件，所述第一组件设于所述套体的一端并套设在所述第一轴体的外周侧，所述第一组件适于密封封堵所述第一腔的一侧；第二组件，所述第二组件设于所述套体的另一端，所述第二组件适于密封封堵所述第一腔的另一侧。
本公开实施例的避震器能够增强代步车的减震缓冲，提升了骑行的舒适性。
在一些实施例中，避震器包括第一弹性件，所述第一弹性件的一端与所述第一轴体相连或止抵，所述第一弹性件的另一端与所述第二组件相连或止抵，所述第一弹性件适于缓冲所述套体和所述第一轴体的压缩和伸展。
在一些实施例中，所述第一组件包括第一密封件、第一挡止件和第二挡止件，所述第一挡止件设于所述套体的端面，所述第二挡止件设于所述套体内，所述第一密封件夹在所述第一挡止件和所述第二挡止件之间并密封环绕在所述第一轴体和所述套体之间。
在一些实施例中，所述第一组件包括第二弹性件，所述第二挡止件可滑移地设于所述套体内，所述第二挡止件位于所述第二弹性件和所述第一密封件之间，所述第二弹性件的一端 与所述第二挡止件止抵，所述第二弹性件的另一端与所述套体的内壁止抵，且所述第二弹性件可与所述第一活塞部弹性接触。
在一些实施例中，所述第二组件包括堵头和第二密封件，至少部分所述堵头配合在所述套体内，所述第二密封件密封环绕在所述堵头和所述套体之间。
在一些实施例中，所述第二组件包括气嘴，所述气嘴设于所述堵头并与所述第一腔连通，所述气嘴适于向所述第一腔内注入气体。
在一些实施例中，所述第一轴体设有第二腔和第一孔，所述第二腔和所述第一孔形成所述流体通道，所述第二组件包括第二轴体，所述第二轴体设有第二活塞部，所述第二轴体通过所述第二活塞部可滑移地配合在所述第二腔内，所述第二轴体内设有连通通道，所述第一流体腔形成在所述第一活塞部和所述第一组件之间，所述第二流体腔形成在所述第一活塞部和所述第二组件，所述连通通道连通所述第二流体腔和所述第二腔。
在一些实施例中，所述第二组件包括第三轴体，所述第二轴体内设有第三腔和第二孔，部分所述第三腔和所述第二孔形成所述连通通道，所述第三轴体位置可调的地配合在所述第三腔内，所述第三轴体适于调节所述第二孔的通流截面大小。
在一些实施例中，所述第二组件包括堵头和驱动件，所述堵头密封配合在所述套体内，所述第二轴体与所述堵头相连，所述堵头内设有螺纹孔，所述第三轴体螺纹装配在所述堵头的所述螺纹孔内，所述驱动件可转动地设于所述堵头，且所述驱动件与所述第三轴体止转相连。
在一些实施例中，所述堵头设有第三挡止件，所述第三挡止件适于挡止所述驱动件以避免所述驱动件和所述堵头分离。
在一些实施例中，所述第二组件包括第三弹性件和滚珠，所述第三弹性件和所述滚珠设于所述堵头和所述驱动件的其中一者，所述堵头和所述驱动件的另一者设有多个周向间隔排布的限位槽，所述第三弹性件适于在所述驱动件转动时将所述滚珠顶推至对应地限位槽内。
在一些实施例中，所述套体的外周侧设有限位部。
本公开实施例的代步车包括避震器，所述避震器为上述任一实施例中所述的避震器。
在一些实施例中，代步车包括前叉和立管，所述避震器连接在所述前叉和所述立管之间，所述套体和所述第一轴体的其中一者适于与所述前叉相连、另一者适于与所述立管相连。
在一些实施例中，所述避震器包括连接组件，所述连接组件设于所述第一轴体，所述第一轴体通过所述连接组件与所述前叉连接固定。
在一些实施例中，所述连接组件包括螺母件、垫片和垫块，所述垫块设于所述第一轴体，所述垫片设在所述螺母件和所述垫块之间，所述前叉适于夹紧固定在所述垫片和所述垫块之间，所述垫块和所述前叉的其中一者上设有凸起、另一者设有凹槽，所述凸起适于配合在所述凹槽内以限制所述第一轴体和所述前叉的相对位移。
附图说明
图1是本公开实施例的避震器的伸展的示意图。
图2是图1中避震器的剖视示意图一。
图3是图1中避震器的剖视示意图二。
图4是本公开实施例的避震器的压缩的示意图。
图5是图4中避震器的剖视示意图。
图6是本公开另一实施例的避震器的伸展的剖视示意图。
图7是本公开再一实施例的避震器的伸展的剖视示意图。
图8是本公开又一实施例的避震器的伸展的剖视示意图。
图9是图8中避震器的第二组件的示意图。
图10是图9中第二组件的剖视示意图。
图11是图10中驱动件处的放大示意图。
图12是图8中避震器的压缩的剖视示意图。
图13是本公开实施例的代步车的避震器的安装示意图。
图14是本公开实施例的代步车的避震器的安装剖视示意图。
图15是本公开另一个实施例的代步车的避震器的安装剖视示意图。
附图标记：
避震器100；
套体1；第一腔11；第二流体腔111；第一流体腔112；
第一轴体2；第一活塞部21；流体通道22；第一孔221；第二腔222；
连接组件3；垫片31；螺母件32；垫块33；
第一组件4；第一密封件41；第一挡止件42；第二挡止件43；第二弹性件44；
第二组件5；堵头51；第二密封件52；气嘴53；第二轴体54；第二活塞部541；连通
通道55；第三腔551；第二孔552；第三轴体56；驱动件57；调节杆571；旋钮572；第三挡止件58；滚珠59；第三弹性件510；
第一弹性件6；
限位部7；
前叉200。
具体实施方式
下面详细描述本公开的实施例，所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。
如图1至图5所示，本公开实施例的避震器100包括套体1，第一轴体2，第一组件4和第二组件5。
套体1内设有第一腔11，第一腔11适于存储流体。如图1至图3所示，套体1可以为圆管状，套体1可以沿着上下方向延伸。套体1的内腔形成第一腔11，第一腔11也大体沿着上下方向延伸。第一腔11内用于存放流体，流体可以为气体，也可以为液压油和气体的混合物。
第一轴体2设有第一活塞部21，第一轴体2通过第一活塞部21可滑移地配合在第一腔11内，第一活塞部21将第一腔11分隔为第一流体腔112和第二流体腔111，第一轴体2内设有流体通道22，第一流体腔112和第二流体腔111通过流体通道22连通，流体通道22适于实现第一流体腔112内的流体和第二流体腔111内的流体的往复输送以缓冲套体1和第一轴体2的压缩或伸展。
在一些实施例中，如图2和图3所示，第一轴体2大体可以为圆轴状，第一轴体2可以为空心轴。第一轴体2配合在套体1的第一腔11内，并能够在第一腔11内沿着上下方向往复移动。
第一轴体2的右端设有第一活塞部21，第一轴体2的右端可以设有一段大径段，大径段的外周侧设有环槽，环槽内可以嵌入有导向套，导向套的材质可以为橡胶。导向套可以实现第一轴体2和套体1的内壁之间的密封。大径段和导向套形成第一活塞部21。
使用时，第一活塞部21装配在第一腔11内，且第一活塞部21能够在第一腔11内往复移动。由于第一活塞部21密封装配在套体1内，第一活塞部21可以将第一腔11分隔为两个独立的活动腔，即分别为第一流体腔112和第二流体腔111。其中第一流体腔112位于第一活塞部21的下侧，第一流体腔112由第一轴体2和套体1之间的环形空间形成，第二流体腔111位于第二活塞部541的上侧，第二流体腔111由第一活塞部21上侧的第一腔11形成。
流体通道22设在第一轴体2内，流体通道22具有两个端口，其中一个端口可以位于第一轴体2的上端并与第二流体腔111连通，另一个端口可以位于第一轴体2的外周侧并与第一流体腔112连通。
第一组件4设于套体1的一端并套设在第一轴体2的外周侧，第一组件4适于密封封堵第一腔11的一侧，第二组件5设于套体1的另一端，第二组件5适于密封封堵第一腔11的另一侧。
在一些实施例中，如图2所示，第一组件4设在套体1的下端，第一组件4大体为圆环状，第一组件4可以将第一腔11的下侧密封封堵，第二组件5设在套体1的上端，第二组件5可以塞入套体1内，第二组件5能够将第一腔11的上侧密封封堵。第一组件4和第二组件5的设置使得第一流体腔112和第二流体腔111为密封腔。
本实施例的避震器100在使用时，第一轴体2可以与第一部件连接固定，第一部件可以为代步车的立管，第二轴体54可以与第二部件连接固定，第二部件也可以为代步车的前叉200。当行驶至坑洼路面时，第一轴体2和套体1之间会发生相对移动，相对移动的形式可以分为压缩和伸展。
在第一轴体2和套体1伸展的时，如图2和图3所示，第一流体腔112会被压缩，第二流体腔111会变大，此时，第一流体腔112内的流体可以经由流体通道22流入第二流体腔111内，流体在被压缩的过程中可以起到缓冲作用，从而实现避震器100的减震。
在第一轴体2和套体1压缩的时，如图4和图5所示，第一流体腔112会变大，第二流体腔111会被压缩，此时，第二流体腔111内的流体可以经由流体通道22流入第一流体腔 112内，流体在被压缩的过程中可以起到缓冲作用，从而实现避震器100的减震。
需要说明的是，第一腔11内的流体优选为液压油和气体的混合物。其中气体具有较好的缓冲作用，液压油则可以夹在第一活塞部21和第一组件4之间，也可以夹在第一活塞部21和第二组件5之间，从而避免了第一活塞部21和套体1刚性碰触的情况，起到了防触底的作用。
本公开实施例的避震器100，使用时可以安装在代步车上，从而可以增强代步车的减震缓冲，减弱了代步车的振动，提升了骑行的安全性和舒适性。
在一些实施例中，避震器100包括第一弹性件6，第一弹性件6的一端与第一轴体2相连或止抵，第一弹性件6的另一端第二组件5相连或止抵，第一弹性件6适于缓冲套体1和第一轴体2的压缩和伸展。
在一些实施例中，如图2、图3和图5所示，第一弹性件6可以为弹簧，第一弹性件6可以设在第二流体腔111内，并夹在第一活塞部21和第二组件5之间，其中第一弹性件6的下端与第一活塞部21止抵，第一弹性件6的上端与第二组件5止抵。由此，在压缩第二流体腔111时，第一弹性件6可以压缩储能，可以进一步增强缓冲作用。
可以理解的是，在其他一些实施例中，第一弹性件6可以为拉簧，第一弹性件6连接在第一活塞部21和第二组件5之间，当第一流体腔112被压缩时，第一弹性件6可以拉伸储能，从而起到缓冲作用。
在一些实施例中，如图6所示，避震器100内也可以不设置第一弹性件6，此时仅通过流体实现缓冲减震。
在一些实施例中，第一组件4包括第一密封件41、第一挡止件42和第二挡止件43，第一挡止件42设于套体1的端面，第二挡止件43设于套体1内，第一密封件41夹在第一挡止件42和第二挡止件43之间并密封环绕在第一轴体2和套体1之间。
在一些实施例中，如图3和图5所示，第一挡止件42可以为挡片，第一挡止件42为环形并通过螺钉等紧固件固定在套体1的下端面上。套体1的下部内侧可以设有环形台阶，第二挡止件43可以为铜套，第二挡止件43套设在第一轴体2的外周侧，且第二挡止件43的上端与套体1内的环形台阶挡止。
第一密封件41可以为油封，第一密封件41密封环绕在第一轴体2和套体1之间，且第一密封件41夹在第一挡止件42和第二挡止件43之间。由此，可以实现对第一流体腔112下侧的密封封堵，避免了流体泄露，保证了缓冲效果。
在一些实施例中，第一组件4包括第二弹性件44，第二挡止件43可滑移地设于套体1内，第二挡止件43位于第二弹性件44和第一密封件41之间，第二弹性件44的一端与第二挡止件43止抵，第二弹性件44的另一端与套体1的内壁止抵，且第二弹性件44可与第一活塞部21弹性接触。
在一些实施例中，如图3和图5所示，第二弹性件44可以为波形弹簧，第二弹性件44套设在第一轴体2的外周侧并位于套体1内，第二弹性件44的上端可以与套体1的环形台阶止抵，第二弹性件44的下端可以与第二挡止件43止抵。
当第一轴体2和套体1伸展时，第一活塞部21的下端可以与第二弹性件44接触，第二弹性件44可以进一步实现对第一活塞部21的缓冲。另外，第二挡止件43在受到第二弹性件44作用后会挤压第一密封件41，第一密封件41会沿着径向变形，从而可以增强密封效果。
在一些实施例中，第二组件5包括堵头51和第二密封件52，至少部分堵头51配合在套体1内，第二密封件52密封环绕在堵头51和套体1之间。
在一些实施例中，如图3和图5所示，堵头51可以固定在套体1的上端并嵌入套体1内，例如，堵头51可以采用焊接、螺纹装配的方式与套体1相连。堵头51的外周侧可以设有一圈环形槽，第二密封件52可以为密封圈，第二密封件52可以装配在堵头51的环形槽内。由此，可以实现第二流体腔111上侧的密封封堵。
在一些实施例中，第二组件5包括气嘴53，气嘴53设于堵头51并与第一腔11连通，气嘴53适于向第一腔11内注入气体。
在一些实施例中，如图6和图7所示，堵头51内可设有安装孔，气嘴53可以固定在堵头51的安装孔内，气嘴53可以包括外壳和气门芯。通过气嘴53可以向第二流体腔111内充入气体，方便了气体的补充，也方便了避震器100缓冲力的调节。
在一些实施例中，第一轴体2设有第二腔222和第一孔221，第二腔222和第一孔221形成流体通道22，第二组件5包括第二轴体54，第二轴体54设有第二活塞部541，第二轴体54通过第二活塞部541可滑移地配合在第二腔222内，第二轴体54内设有连通通道55，第一流体腔112形成在第一活塞部21和第一组件4之间，第二流体腔111形成在第一活塞部21和第二组件5，连通通道55连通第二流体腔111和第二腔222。
在一些实施例中，如图3所示，第一轴体2内设有第二腔222和第一孔221，第二腔222大体沿着上下方向延伸，第二腔222的开口朝向上侧，第一孔221大体沿着第一轴体2的径向(左右方向)延伸，第一孔221和第二腔222连通，第一孔221和第二腔222形成流体通道22。
如图8所示，第二轴体54可以与堵头51一体设置，第二轴体54的下端设有第二活塞部541，第二活塞部541也通过大径段和导向套形成，第二活塞部541的结构大体与第一活塞部21相同，此处不再赘述。第二活塞部541密封配合在第一轴体2的第二腔222内并沿着第二腔222的延伸方向可滑移。
连通通道55设在第二轴体54内，连通通道55也可以设有两个端口，其中一个端口设在第二轴体54的下端并与第二腔222连通；另一个端口可以设在第二轴体54的外周壁上并与第二流体腔111连通，且该端口位于第二活塞部541和堵头51之间。
当避震器100压缩时，如图12所示，此时第二活塞部541位于第一孔221的下侧，第一流体腔112内的流体可以依次经由第二轴体54和第一轴体2之间的环形空间、连通通道55流入第一轴体2的第二腔222内，也可以经由第二轴体54和第一轴体2之间的环形空间流入第二流体腔111内。待第二活塞部541移动至第一孔221的上侧后，如图8所示，第一流体腔112内的流体可以直接流入第一轴体2的第二腔222内，第二腔222内的流体则可以 经由连通通道55流入第二流体腔111内。
当避震器100伸展时，如图8所示，此时，第二活塞部541位于第一孔221的上侧，第二流体腔111内的流体可以依次经由连通通道55、流体通道22流入第一流体腔112内。待第二活塞部541移动至第一孔221的下侧，如图12所示，第二腔222内的流体可以经由连通通道55流入第二流体腔111内，第二流体腔111内的流体可以经由第一孔221流入第一流体腔112内。
由此，一方面可以增强避震器100压缩或伸展的导向性，保证了驱动的稳定性，另一方面可以使得流体的压力富于变化，有利于增强缓冲效果。
在一些实施例中，第二组件5包括第三轴体56，第二轴体54内设有第三腔551和第二孔552，部分第三腔551和第二孔552形成连通通道55，第三轴体56位置可调的地配合在第三腔551内，第三轴体56适于调节第二孔552的通流截面大小。
在一些实施例中，如图8和图10所示，第三腔551设在第二轴体54内，第三腔551的开口朝向下侧，第三腔551大体沿着上下方向延伸。第二孔552大体沿着第二轴体54的径向(左右方向)延伸，第二孔552和第三腔551连通并形成连通通道55。
第三轴体56可以为杆状的调节塞，第三轴体56配合在第三腔551内并在第三腔551内可以上下移动，移动的过程中，第三轴体56可以对第二孔552进行遮挡，从而可以实现对第二孔552的通流断面的调整，进而可以实现对缓冲作用的调整，满足了不同人群的使用要求。
在一些实施例中，第二组件5包括堵头51和驱动件57，堵头51密封配合在套体1内，第二轴体54与堵头51相连，堵头51内设有螺纹孔，第三轴体56螺纹装配在堵头51的螺纹孔内，驱动件57可转动地设于堵头51，且驱动件57与第三轴体56止转相连。
在一些实施例中，如图9至图11所示，堵头51内的螺纹孔大体沿着上下方向延伸，第三轴体56的上端可以螺纹配合螺纹孔内，第三轴体56的上端可以设有止转槽，驱动件57可以转动配合在堵头51内，且驱动件57的下端可以设有止转部，止转部止转配合在止转槽内。使用时，通过转动驱动件57，驱动件57即可驱动第三轴体56转动，在螺纹的作用下，驱动件57即可在上下方向移动，从而实现对第二孔552的通流断面大小的调节。
在一些实施例中，堵头51设有第三挡止件58，第三挡止件58适于挡止驱动件57以避免驱动件57和堵头51分离。如图8所示，第三挡止件58可以为线簧，堵头51的内周壁上可以设有环形槽，第三挡止件58为环形并嵌入堵头51的环形槽内，第三挡止件58可以与驱动件57挡止，从而可以避免驱动件57从堵头51的上侧脱出的情况。
在一些实施例中，第二组件5包括第三弹性件510和滚珠59，第三弹性件510和滚珠59设于堵头51和驱动件57的其中一者，堵头51和驱动件57的另一者设有多个周向间隔排布的限位槽，第三弹性件510适于在驱动件57转动时将滚珠59顶推至对应地限位槽内。
在一些实施例中，如图11所示，驱动件57可以分为两部分，两部分分别为调节杆571和旋钮572，调节杆571用于与第三轴体56止转配合，旋钮572位于堵头51外侧并用于驱动调节杆571转动。旋钮572上可以设有装配槽，第三弹性件510可以为弹簧，第三弹性件 510可以装配在装配槽内，滚珠59可以为钢珠，滚珠59可以设在装配槽的槽口处。堵头51的上端面上可以设有多个限位槽，多个限位槽沿着堵头51的周向间隔排布。
当旋钮572转动时，滚珠59可以分别与多个限位槽对应，第三弹性件510则可以将滚珠59顶推至限位槽内，从而起到增强阻尼感和卡位的效果。
在一些实施例中，限位槽可以为半圆槽。
在一些实施例中，套体1的外周侧设有限位部7。如图2所示，限位部7可以与套体1一体成型。限位部7可以为套体1外周壁上的凸起。通过与对应部件的挡止可以限制套体1的转动幅度。
下面描述本公开实施例的代步车。
本公开实施例的代步车包括避震器100，避震器100可以为上述实施例中描述的避震器100。代步车可以为电动滑板车、电动自行车、电动平衡车等，当然也可以为其他需要使用避震器100的代步车。
在一些实施例中，代步车包括前叉200和立管，避震器100连接在前叉200和立管之间，套体1和第一轴体2的其中一者适于与前叉200相连、另一者适于与立管相连。如图13至图15所示，立管(未示出)可以设在前叉200的上方，避震器100可以连接在立管和前叉200之间，避震器100的第一轴体2可以与前叉200相连，避震器100的套体1可以与立管相连。在其他一些实施例中，第一轴体2也可以与前叉200相连，套体1也可以与立管相连。
在一些实施例中，避震器100包括连接组件3，连接组件3设于第一轴体2，第一轴体2通过连接组件3与前叉200连接固定。如图2所示，连接组件3可以设在第一轴体2的下端，连接组件3可以将第一轴体2与前叉200连接固定，从而方便了避震器100和前叉200的安装。
在一些实施例中，连接组件3包括螺母件32、垫片31和垫块33，垫块33设于第一轴体2，垫片31设在螺母件32和垫块33之间，前叉200适于夹紧固定在垫片31和垫块33之间，垫块33和前叉200的其中一者上设有凸起、另一者设有凹槽，凸起适于配合在凹槽内以限制第一轴体2和前叉200的相对位移。
在一些实施例中，如图3所示，垫片31和垫块33均为环形，垫块33可以固定在第一轴体2的外周侧，垫块33可以具有一定的弹性。螺母件32可以螺纹装配在第一轴体2的外周侧，垫片31可以位于螺母件32和垫块33之间。如图14和图15所示，安装时，前叉200可以夹在垫片31和垫块33之间，通过螺母件32可以将前叉200锁死，从而方便了连接固定。垫片31可以止转垫片31，从而可以限制周向的转动。
垫块33上可以设有凸起，前叉200上可以设有凹槽，凸起可以配合在凹槽内，从而可以约束垫块33和前叉200的自由度，提高装配的紧凑性。
可以理解的是，在其他一些实施例中，凸起也可以设在前叉200上，凹槽也可以设在垫块33上。
在本公开的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺 时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本公开的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确在一些实施例中限定。
在本公开中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或彼此可通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本公开中的具体含义。
在本公开中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本公开的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本公开的限制，本领域的普通技术人员在本公开的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (16)

  1. 一种避震器，包括：
    套体，所述套体内设有第一腔，所述第一腔适于存储流体；
    第一轴体，所述第一轴体设有第一活塞部，所述第一轴体通过所述第一活塞部可滑移地配合在所述第一腔内，所述第一活塞部将所述第一腔分隔为第一流体腔和第二流体腔，所述第一轴体内设有流体通道，所述第一流体腔和所述第二流体腔通过所述流体通道连通，所述流体通道适于实现所述第一流体腔内的流体和所述第二流体腔内的流体的往复输送以缓冲所述套体和所述第一轴体的压缩或伸展；
    第一组件，所述第一组件设于所述套体的一端并套设在所述第一轴体的外周侧，所述第一组件适于密封封堵所述第一腔的一侧；
    第二组件，所述第二组件设于所述套体的另一端，所述第二组件适于密封封堵所述第一腔的另一侧。
  2. 根据权利要求1所述的避震器，包括第一弹性件，所述第一弹性件的一端与所述第一轴体相连或止抵，所述第一弹性件的另一端与所述第二组件相连或止抵，所述第一弹性件适于缓冲所述套体和所述第一轴体的压缩和伸展。
  3. 根据权利要求1所述的避震器，其中，所述第一组件包括第一密封件、第一挡止件和第二挡止件，所述第一挡止件设于所述套体的端面，所述第二挡止件设于所述套体内，所述第一密封件夹在所述第一挡止件和所述第二挡止件之间并密封环绕在所述第一轴体和所述套体之间。
  4. 根据权利要求3所述的避震器，其中，所述第一组件包括第二弹性件，所述第二挡止件可滑移地设于所述套体内，所述第二挡止件位于所述第二弹性件和所述第一密封件之间，所述第二弹性件的一端与所述第二挡止件止抵，所述第二弹性件的另一端与所述套体的内壁止抵，且所述第二弹性件可与所述第一活塞部弹性接触。
  5. 根据权利要求1所述的避震器，其中，所述第二组件包括堵头和第二密封件，至少部分所述堵头配合在所述套体内，所述第二密封件密封环绕在所述堵头和所述套体之间。
  6. 根据权利要求5所述的避震器，其中，所述第二组件包括气嘴，所述气嘴设于所述堵头并与所述第一腔连通，所述气嘴适于向所述第一腔内注入气体。
  7. 根据权利要求1所述的避震器，其中，所述第一轴体设有第二腔和第一孔，所述第二腔和所述第一孔形成所述流体通道，所述第二组件包括第二轴体，所述第二轴体设有第二活塞部，所述第二轴体通过所述第二活塞部可滑移地配合在所述第二腔内，所述第二轴体内设有连通通道，所述第一流体腔形成在所述第一活塞部和所述第一组件之间，所述第二流体腔形成在所述第一活塞部和所述第二组件，所述连通通道连通所述第二流体腔和所述第二腔。
  8. 根据权利要求7所述的避震器，其中，所述第二组件包括第三轴体，所述第二轴体内设有第三腔和第二孔，部分所述第三腔和所述第二孔形成所述连通通道，所述第三轴体位置可调的地配合在所述第三腔内，所述第三轴体适于调节所述第二孔的通流截面大小。
  9. 根据权利要求8所述的避震器，其中，所述第二组件包括堵头和驱动件，所述堵头密封配合在所述套体内，所述第二轴体与所述堵头相连，所述堵头内设有螺纹孔，所述第三轴体螺纹装配在所述堵头的所述螺纹孔内，所述驱动件可转动地设于所述堵头，且所述驱动件与所述第三轴体止转相连。
  10. 根据权利要求9所述的避震器，其中，所述堵头设有第三挡止件，所述第三挡止件适于挡止所述驱动件以避免所述驱动件和所述堵头分离。
  11. 根据权利要求9所述的避震器，其中，所述第二组件包括第三弹性件和滚珠，所述第三弹性件和所述滚珠设于所述堵头和所述驱动件的其中一者，所述堵头和所述驱动件的另一者设有多个周向间隔排布的限位槽，所述第三弹性件适于在所述驱动件转动时将所述滚珠顶推至对应地限位槽内。
  12. 根据权利要求1-11中任一项所述的避震器，其中，所述套体的外周侧设有限位部。
  13. 一种代步车，包括避震器，所述避震器为根据权利要求1-12中任一项所述的避震器。
  14. 根据权利要求13所述的代步车，包括前叉和立管，所述避震器连接在所述前叉和所述立管之间，所述套体和所述第一轴体的其中一者适于与所述前叉相连、另一者适于与所述立管相连。
  15. 根据权利要求14所述的代步车，其中，所述避震器包括连接组件，所述连接组件设于所述第一轴体，所述第一轴体通过所述连接组件与所述前叉连接固定。
  16. 根据权利要求15所述的代步车，其中，所述连接组件包括螺母件、垫片和垫块，所述垫块设于所述第一轴体，所述垫片设在所述螺母件和所述垫块之间，所述前叉适于夹紧固定在所述垫片和所述垫块之间，所述垫块和所述前叉的其中一者上设有凸起、另一者设有凹槽，所述凸起适于配合在所述凹槽内以限制所述第一轴体和所述前叉的相对位移。
PCT/CN2023/096380 2022-06-06 2023-05-25 避震器和代步车 WO2023236782A1 (zh)

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