CN219635404U - Bicycle with four-bar linkage shock-absorbing structure - Google Patents
Bicycle with four-bar linkage shock-absorbing structure Download PDFInfo
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- CN219635404U CN219635404U CN202320386579.4U CN202320386579U CN219635404U CN 219635404 U CN219635404 U CN 219635404U CN 202320386579 U CN202320386579 U CN 202320386579U CN 219635404 U CN219635404 U CN 219635404U
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- hydraulic
- damping
- rod
- spring
- fixedly connected
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- 238000013016 damping Methods 0.000 claims abstract description 115
- 230000035939 shock Effects 0.000 claims description 25
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 14
- 230000001174 ascending effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a bicycle with a four-bar damping structure, which comprises a four-bar damping device and damping sliding rods arranged in the four-bar damping device, wherein a seat cushion adjusting device is arranged in the middle of the four-bar damping device, a miniature adjusting motor is arranged in the seat cushion adjusting device, the four-bar damping device comprises a frame supporting rod, the bottom of the frame supporting rod is fixedly connected with a first rotating seat, the bottom of the first rotating seat is rotationally connected with a hydraulic damping sleeve, the inside of the hydraulic damping sleeve is slidably connected with a hydraulic piston, a first hydraulic valve and a second hydraulic valve are symmetrically arranged on two sides of the hydraulic piston, the bottom of the hydraulic piston is fixedly connected with the hydraulic damping rods, and the damping and buffering effects can be carried out on the stress generated by the bicycle on a bumpy road section through arranging the four-bar damping device, so that the vibration amplitude in the vertical direction caused by bumping is reduced, and the bicycle is driven to run on the bumpy road section more comfortably.
Description
Technical Field
The utility model relates to the technical field of damping mechanisms, in particular to a bicycle with a four-bar damping structure.
Background
The bicycle is used as a riding instead of walking tool widely used by modern people, has the advantages of being green, energy-saving, convenient, quick and the like, and along with the increase of road traffic vehicles, people in short distance prefer to choose the bicycle as the riding instead of walking tool, and the bicycle can exercise the body, save energy and protect the environment.
Publication number CN215205159U discloses a shock-absorbing structure of bicycle, through the cooperation between shock-absorbing cylinder, vice damping spring and the dead lever, improves the travelling comfort of people sitting on the cushion on the one hand, and on the other hand can cooperate main damping spring to improve the buffering to jolting force, through the cooperation between bolt and the screw groove, conveniently dismouting change to the fixed cylinder, and then conveniently dismouting change to the cushion, improves the practicality, but this patent still has following problem in the in-service use:
the damping structure of the bicycle achieves the effect of damping and buffering through the cooperation between the damping cylinder, the auxiliary damping spring and the fixing rod, and can be matched with the main damping spring to improve the buffering of the bumping force, but, as the damping structure is arranged at the bottom of the seat cushion, the damping and buffering can be carried out on the seat cushion part, when the bicycle encounters a bumping road section, the main stress source is not only the seat cushion part, but also the pedal part is a stress point, a driver treads the pedal through two feet to serve as a power source, meanwhile, the pedal is also used as a supporting point for supporting a human body, and only the impact force of the bumping road section is caused when the seat cushion part is increased to enable the two feet of the driver to bump when the bicycle body runs on the bumping road section, so that the driving feeling of the driver is influenced.
A bicycle with a four-bar shock absorbing structure has been proposed in order to solve the problems set forth above.
Disclosure of Invention
The utility model aims to provide a bicycle with a four-bar damping structure, which solves the problems that in the prior art, when a bumpy road section is met, a main stress source is not only a seat cushion part, but also a pedal part is a stress point, a driver treads pedals by two feet to serve as a power source and also serve as a supporting point for supporting a human body, and only the seat cushion part is additionally provided with the damping structure, so that the two feet of the driver are impacted by the bumpy road section when the bicycle body runs on the bumpy road section, the driving feeling of the driver is influenced, and meanwhile, the seat cushion part is positioned at the top of the bicycle body, and the vibration amplitude of a spring is overlarge when the damping effect is carried out, so that the comfort of the driver is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a bicycle with a four-bar damping structure comprises a four-bar damping device and a damping sliding rod arranged in the four-bar damping device;
the middle part of the four-bar damping device is provided with a seat cushion adjusting device, and a miniature adjusting motor is arranged in the seat cushion adjusting device;
further comprises:
the four-bar damping device comprises a frame support rod, wherein the bottom of the frame support rod is fixedly connected with a first rotating seat, and the bottom of the first rotating seat is rotationally connected with a hydraulic damping sleeve;
the hydraulic damping sleeve is internally and slidably connected with a hydraulic piston, and a first hydraulic valve and a second hydraulic valve are symmetrically arranged on two sides of the hydraulic piston;
the bottom of the hydraulic piston is fixedly connected with a hydraulic shock absorption rod, and the middle of the hydraulic shock absorption rod is slidably connected with a hydraulic sealing ring.
Preferably, the top fixedly connected with hydraulic spring of hydraulic piston, hydraulic spring's outside sliding connection has hydraulic telescoping rod, hydraulic spring and hydraulic telescoping rod and hydraulic shock-absorbing sleeve fixed connection, the bottom rotation of hydraulic shock-absorbing rod is connected with central connecting rod, the middle part of central connecting rod rotates and is connected with the bottom dwang, the bottom of bottom dwang rotates and is connected with the second and rotates the support, the both sides of central connecting rod rotate and be connected with the axis of rotation, one side of axis of rotation rotates and is connected with U type cassette.
Preferably, the both sides sliding connection of U type cassette has afterbody shock attenuation pole, the inside fixedly connected with shock attenuation slip cap of afterbody shock attenuation pole, the inside fixedly connected with damping spring of shock attenuation slip cap, damping spring's one end fixedly connected with shock attenuation slip rod, the shock attenuation slip rod rotates with U type cassette to be connected.
Preferably, the seat cushion adjusting device comprises a seat cushion supporting rod, the micro adjusting motor is fixedly arranged in the seat cushion supporting rod, the output end of the micro adjusting motor is fixedly connected with a lifting threaded rod, the outer side of the lifting threaded rod is in threaded connection with a lifting threaded sleeve, roller supports are symmetrically arranged on the two sides of the lifting threaded sleeve up and down, and limiting rollers are rotatably connected in the roller supports.
Preferably, the top fixedly connected with spring base of lift thread bush, the top fixedly connected with spring telescopic link of spring base, the outside sliding connection of spring telescopic link has the seatpad spring, the top fixedly connected with spring sleeve of seatpad spring, the spacing slip cap is installed to spring sleeve's bottom bilateral symmetry, the inside sliding connection of spacing slip cap has the spacing slide bar, the fixed mounting of spacing slide bar is in the top both sides of spring base.
Preferably, the limit roller is in fit connection with the inside of the seat cushion support rod, a fixing bolt is fixedly arranged at the top of the seat cushion support rod, and the seat cushion support rod is fixedly connected with the frame support rod.
Preferably, the hydraulic piston is connected with the inner wall of the hydraulic damping sleeve in a fitting way through a hydraulic spring and a hydraulic telescopic rod, and the hydraulic damping rod is connected with the central connecting rod in a rotating way through a rotating shaft.
Compared with the prior art, the utility model has the beneficial effects that: this bicycle with four connecting rod shock-absorbing structure can travel the atress that produces on jolting the highway section through setting up four connecting rod damping device and carry out shock attenuation effect to reduce because of jolting and produce the ascending vibration amplitude of vertical direction, make driving bicycle travel more comfortable on jolting the highway section, not only can carry out shock attenuation to bicycle seatpad position through setting up seatpad adjusting device, simultaneously, can adjust the height of seatpad, its concrete content is as follows:
1. the four-bar damping device is arranged to perform damping and buffering effects on the stress generated when the bicycle runs on a bumpy road section, so that the vibration amplitude in the vertical direction generated by bumping is reduced, the bicycle is driven to run on the bumpy road section more comfortably, the first hydraulic valve and the second hydraulic valve are respectively arranged on two sides of the hydraulic piston, the liquid in the hydraulic damping sleeve can be controlled to flow unidirectionally along the first hydraulic valve and the second hydraulic valve, the damping effect of the spring is achieved, the vibration amplitude of the hydraulic spring caused by vibration is reduced, the damping and buffering effects are achieved, the tail part of the bicycle is damped and buffered by the tail damping rod and the damping spring, and the integral damping and buffering effect of the bicycle is improved;
2. through setting up seatpad adjusting device not only can carry out shock attenuation buffering to bicycle seatpad position, simultaneously, can adjust the height of seatpad to can adapt to not high crowd, drive the lift threaded rod through miniature regulating motor and rotate, make lift thread bush reciprocate at the top of lift threaded rod, thereby reach the effect of adjusting the seatpad height, through the frictional force between spacing slip cap and the spacing slip lever, reduce the range that seatpad spring shakes, thereby carry out shock attenuation buffering to the seatpad position, thereby improve the comfort level at seatpad position.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a four-bar linkage shock absorber according to the present utility model;
FIG. 3 is a schematic view of a hydraulic damping sleeve according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a four-bar linkage damping device according to the present utility model;
FIG. 5 is a schematic view of a seat cushion adjusting device according to the present utility model;
fig. 6 is an enlarged view of the area a in fig. 4 according to the present utility model.
In the figure: 1. a four-bar linkage damping device; 101. a frame support bar; 102. a first rotating seat; 103. a hydraulic damping sleeve; 104. a hydraulic piston; 105. a first hydraulic valve; 106. a second hydraulic valve; 107. a hydraulic shock-absorbing rod; 108. a hydraulic seal ring; 109. a hydraulic spring; 110. a hydraulic telescopic rod; 111. a center connecting rod; 112. a bottom rotating rod; 113. a second rotating support; 114. a rotating shaft; 115. a U-shaped clamping seat; 116. a tail shock-absorbing rod; 117. damping sliding sleeve; 118. a damping spring; 119. a shock absorbing slide bar; 2. a seat cushion adjusting device; 201. a seat cushion support rod; 202. a miniature adjusting motor; 203. lifting the threaded rod; 204. lifting the threaded sleeve; 205. a roller support; 206. limiting idler wheels; 207. a spring base; 208. a spring telescoping rod; 209. a seat cushion spring; 210. a spring sleeve; 211. a limit sliding sleeve; 212. a limit sliding rod; 213. and (5) fixing bolts.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides the following technical solutions: the bicycle with four-bar damping structure comprises a four-bar damping device 1 and damping sliding rods 119 which are arranged in the four-bar damping device 1, wherein a seat cushion adjusting device 2 is arranged in the middle of the four-bar damping device 1, a miniature adjusting motor 202 is arranged in the seat cushion adjusting device 2, the four-bar damping device 1 comprises a frame supporting rod 101, the bottom of the frame supporting rod 101 is fixedly connected with a first rotating seat 102, the bottom of the first rotating seat 102 is rotationally connected with a hydraulic damping sleeve 103, the inner part of the hydraulic damping sleeve 103 is slidably connected with a hydraulic piston 104, two sides of the hydraulic piston 104 are symmetrically provided with a first hydraulic valve 105 and a second hydraulic valve 106, the bottom of the hydraulic piston 104 is fixedly connected with a hydraulic damping rod 107, the middle of the hydraulic damping rod 107 is slidably connected with a hydraulic sealing ring 108, the top of the hydraulic piston 104 is fixedly connected with a hydraulic spring 109, the outer side of the hydraulic spring 109 is slidably connected with a hydraulic telescopic rod 110, the hydraulic spring 109 and the hydraulic telescopic rod 110 are fixedly connected with the bottom of the hydraulic damping sleeve 103, the middle of the central connecting rod 111 is rotationally connected with a bottom rotating rod 112, the bottom of the second rotating seat 113 is fixedly connected with a U-shaped damping sleeve 116, two sides of the U-shaped damping sleeve 116 is fixedly connected with the tail part of the rotating seat 114, the U-shaped damping sleeve 116 is fixedly connected with the tail part of the damping sleeve 115, and the tail part of the U-shaped sleeve 114 is fixedly connected with the tail part of the damping sleeve 116, and the tail part of the damping sleeve 114 is fixedly connected with the tail part of the damping sleeve 115, and the tail part of the damping sleeve is fixedly connected with the tail part of the damping sleeve. The hydraulic piston 104 is connected with the inner wall laminating of the hydraulic damping sleeve 103 through hydraulic spring 109 and hydraulic telescopic rod 110, and the hydraulic damping rod 107 rotates through axis of rotation 114 and central connecting rod 111 to be connected, through setting up four connecting rod damping device 1 and can carry out shock attenuation cushioning effect to the atress that the bicycle was gone and is produced on the road section of jolting to reduce because of jolting produces the ascending vibration range of vertical direction, make the driving bicycle travel more comfortable on the road section of jolting.
The seat cushion adjusting device 2 comprises a seat cushion supporting rod 201, a micro adjusting motor 202 is fixedly arranged in the seat cushion supporting rod 201, an output end of the micro adjusting motor 202 is fixedly connected with a lifting threaded rod 203, an outer side thread of the lifting threaded rod 203 is connected with a lifting thread sleeve 204, two sides of the lifting thread sleeve 204 are vertically symmetrically provided with roller supports 205, a limiting roller 206 is rotatably connected to the inside of the roller supports 205, a spring base 207 is fixedly connected to the top of the lifting thread sleeve 204, a spring telescopic rod 208 is fixedly connected to the top of the spring base 207, a seat cushion spring 209 is slidably connected to the outer side of the spring telescopic rod 208, a spring sleeve 210 is fixedly connected to the top of the seat cushion spring 209, a limiting sliding sleeve 211 is symmetrically arranged on two sides of the bottom of the spring sleeve 210, a limiting sliding sleeve 212 is slidably connected to a limiting sliding rod 212, the limiting roller 206 is in fit connection with the inside of the seat cushion supporting rod 201, a fixing bolt 213 is fixedly arranged on the top of the seat cushion supporting rod 201, the seat cushion 201 is fixedly connected with a frame 101, and the seat cushion adjusting device 2 is capable of buffering the seat cushion of a bicycle, and meanwhile, the height of the seat cushion adjusting device can be adjusted to different height people.
Working principle: before the bicycle with the four-bar damping structure is used, the whole situation of the device is required to be checked firstly, normal work can be confirmed, according to the illustration in fig. 1-6, firstly, when the bicycle is ridden, the height of the seat cushion part is adjusted according to the height of a driver, the lifting threaded rod 203 is driven to rotate by starting the miniature adjusting motor 202, the lifting threaded sleeve 204 moves up and down at the top of the lifting threaded rod 203, the effect of adjusting the seat cushion height is achieved, the vibration amplitude of the seat cushion spring 209 is reduced through the friction force between the limit sliding sleeve 211 and the limit sliding rod 212, the cushion part is damped, the comfort of the seat cushion part is improved, secondly, when the bicycle is ridden on a road section, the four-bar damping mechanism is formed by the frame supporting rod 101, the central connecting rod 111, the bottom rotating rod 112 and the tail damping rod 116, the first hydraulic valve 105 and the second hydraulic valve 106 are respectively arranged at two sides of the hydraulic piston 104, liquid inside the hydraulic damping sleeve 103 can be controlled to flow unidirectionally along the first hydraulic valve 105 and the second hydraulic valve 106, when the hydraulic piston 104 slides upwards, the first hydraulic valve 105 and the second hydraulic valve 106 are both the second hydraulic valve 106 are in the same, the hydraulic piston 104 can flow unidirectionally along the damping sleeve 104, the vibration amplitude is damped and the hydraulic piston 104 can only flows unidirectionally along the second valve 104, the hydraulic valve 104 and the damping valve 106 is damped and the hydraulic valve is damped and the damping piston 106 is only has the damping effect is damped to have the damping effect that the damping effect is the damping effect of the whole hydraulic piston, and the damping piston is capable of damping the damping fluid inside the whole piston, and has the damping piston 104, and the damping amplitude has the damping effect and the damping effect is damped. Because this four connecting rod damping device 1 sets up in the middle part position of automobile body, makes the vibrations range of spring can not be too big, consequently, can carry out shock attenuation cushioning effect to the automobile body better to improve the comfort level of riding.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. A bicycle with a four-bar damping structure comprises a four-bar damping device (1) and a damping sliding rod (119) arranged inside the four-bar damping device (1);
the middle part of the four-bar damping device (1) is provided with a seat cushion adjusting device (2), and a miniature adjusting motor (202) is arranged in the seat cushion adjusting device (2);
characterized by further comprising:
the four-bar damping device (1) comprises a frame supporting rod (101), wherein a first rotating seat (102) is fixedly connected to the bottom of the frame supporting rod (101), and a hydraulic damping sleeve (103) is rotatably connected to the bottom of the first rotating seat (102);
the hydraulic damping device comprises a hydraulic damping sleeve (103), a hydraulic piston (104) and a first hydraulic valve (105) and a second hydraulic valve (106) which are symmetrically arranged on two sides of the hydraulic piston (104);
the bottom of the hydraulic piston (104) is fixedly connected with a hydraulic shock absorption rod (107), and the middle part of the hydraulic shock absorption rod (107) is slidably connected with a hydraulic sealing ring (108).
2. A bicycle with four-bar linkage shock absorbing structure as defined in claim 1, wherein: the hydraulic piston is characterized in that a hydraulic spring (109) is fixedly connected to the top of the hydraulic piston (104), a hydraulic telescopic rod (110) is slidably connected to the outer side of the hydraulic spring (109), the hydraulic spring (109) and the hydraulic telescopic rod (110) are fixedly connected with a hydraulic damping sleeve (103), a central connecting rod (111) is rotatably connected to the bottom of the hydraulic damping rod (107), a bottom rotating rod (112) is rotatably connected to the middle of the central connecting rod (111), a second rotating support (113) is rotatably connected to the bottom of the bottom rotating rod (112), rotating shafts (114) are rotatably connected to the two sides of the central connecting rod (111), and a U-shaped clamping seat (115) is rotatably connected to one side of each rotating shaft (114).
3. A bicycle with four-bar linkage shock absorbing structure as defined in claim 2, wherein: the U-shaped clamping seat is characterized in that two sides of the U-shaped clamping seat (115) are connected with tail damping rods (116) in a sliding mode, damping sliding sleeves (117) are fixedly connected to the inside of the tail damping rods (116), damping springs (118) are fixedly connected to the inside of the damping sliding sleeves (117), damping sliding rods (119) are fixedly connected to one ends of the damping springs (118), and the damping sliding rods (119) are connected with the U-shaped clamping seat (115) in a rotating mode.
4. A bicycle with four-bar linkage shock absorbing structure as defined in claim 1, wherein: the seat cushion adjusting device (2) comprises a seat cushion supporting rod (201), the miniature adjusting motor (202) is fixedly arranged inside the seat cushion supporting rod (201), the output end of the miniature adjusting motor (202) is fixedly connected with a lifting threaded rod (203), the outer side of the lifting threaded rod (203) is in threaded connection with a lifting threaded sleeve (204), roller supports (205) are symmetrically arranged on the two sides of the lifting threaded sleeve (204) up and down, and limiting rollers (206) are rotatably connected inside the roller supports (205).
5. The bicycle with four-bar linkage shock absorbing structure as defined in claim 4, wherein: the top fixedly connected with spring base (207) of lift thread bush (204), the top fixedly connected with spring telescopic link (208) of spring base (207), the outside sliding connection of spring telescopic link (208) has seatpad spring (209), the top fixedly connected with spring sleeve (210) of seatpad spring (209), spacing slip cap (211) are installed to the bottom bilateral symmetry of spring sleeve (210), the inside sliding connection of spacing slip cap (211) has spacing slide bar (212), the fixed mounting of spacing slide bar (212) is in the top both sides of spring base (207).
6. The bicycle with four-bar linkage shock absorbing structure as defined in claim 4, wherein: the limiting roller (206) is connected with the inside of the seat cushion supporting rod (201) in a fitting mode, a fixing bolt (213) is fixedly arranged at the top of the seat cushion supporting rod (201), and the seat cushion supporting rod (201) is fixedly connected with the frame supporting rod (101).
7. A bicycle with four-bar linkage shock absorbing structure as defined in claim 1, wherein: the hydraulic piston (104) is connected with the inner wall of the hydraulic damping sleeve (103) in a fitting way through the hydraulic spring (109) and the hydraulic telescopic rod (110), and the hydraulic damping rod (107) is connected with the central connecting rod (111) in a rotating way through the rotating shaft (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320386579.4U CN219635404U (en) | 2023-03-06 | 2023-03-06 | Bicycle with four-bar linkage shock-absorbing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320386579.4U CN219635404U (en) | 2023-03-06 | 2023-03-06 | Bicycle with four-bar linkage shock-absorbing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219635404U true CN219635404U (en) | 2023-09-05 |
Family
ID=87813107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320386579.4U Active CN219635404U (en) | 2023-03-06 | 2023-03-06 | Bicycle with four-bar linkage shock-absorbing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219635404U (en) |
-
2023
- 2023-03-06 CN CN202320386579.4U patent/CN219635404U/en active Active
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