CN116198644B - Shock absorption system and wheelbarrow - Google Patents
Shock absorption system and wheelbarrow Download PDFInfo
- Publication number
- CN116198644B CN116198644B CN202211719824.5A CN202211719824A CN116198644B CN 116198644 B CN116198644 B CN 116198644B CN 202211719824 A CN202211719824 A CN 202211719824A CN 116198644 B CN116198644 B CN 116198644B
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- movable
- outer cylinder
- damping system
- damper
- reset unit
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- 230000035939 shock Effects 0.000 title abstract description 18
- 238000010521 absorption reaction Methods 0.000 title abstract 2
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000013016 damping Methods 0.000 claims description 40
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/007—Automatic balancing machines with single main ground engaging wheel or coaxial wheels supporting a rider
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Fluid-Damping Devices (AREA)
Abstract
本发明公开一种减震系统及独轮车，所述减震系统，包括有外筒，其外部具有第一固定部，其内部具有贯通所述外筒的上、下端的活动腔；活动件，其伸入所述活动腔内且其下端伸出所述外筒的下端；所述活动件的下端具有第四固定部；缓冲复位单元，其作用于所述外筒与所述活动件之间且伸入所述活动腔中；所述活动件向下移动时，所述缓冲复位单元受压储能，复位时，所述缓冲复位单元带动所述活动件相对所述外筒往上移动。如此，其减震系统结构更加稳定，不需要额外的辅助配件，成本更低，减震更平稳，同时，生产制作及组装工艺更加简单。
The present invention discloses a shock absorbing system and a wheelbarrow, wherein the shock absorbing system comprises an outer cylinder, the outer portion of which has a first fixed part, and the inner portion of which has an active cavity penetrating the upper and lower ends of the outer cylinder; a movable part, which extends into the active cavity and has its lower end extending out of the lower end of the outer cylinder; the lower end of the movable part has a fourth fixed part; a buffer reset unit, which acts between the outer cylinder and the movable part and extends into the active cavity; when the movable part moves downward, the buffer reset unit is pressurized to store energy, and when resetting, the buffer reset unit drives the movable part to move upward relative to the outer cylinder. In this way, the shock absorbing system structure is more stable, does not require additional auxiliary accessories, has lower cost, and has more stable shock absorption. At the same time, the production and assembly process are simpler.
Description
Technical Field
The invention relates to the technical field of wheelbarrows, in particular to a damping system and a wheelbarrow.
Background
Currently, single-wheel balance vehicles are popular among young people, and the vehicles have automatic balance capability, and usually, a built-in precise solid-state gyroscope is used for judging the posture state of a vehicle body, and a motor is driven to achieve the balance effect after a proper instruction is calculated through a precise and high-speed central microprocessor. However, when the single-wheel balance car runs on a road, the condition of uneven pavement pits affects the comfort of drivers in the driving process and even the safety can be affected.
In the prior art, for example, CN 115180056A discloses an electric balance car capable of rolling, which comprises two car bodies symmetrically arranged, wherein the tops of the two car bodies are connected through soft belts, each car body comprises a car frame component, a wheel component and a pedal, the two sides of the car frame component are respectively connected with the pedal and the wheel component, the inner side of the car frame component is connected with a motor stator shaft of the wheel component, the outer side of the car frame component is connected with the pedal, a connecting shaft is arranged at the bottom of the car frame component in one car body, the connecting shaft is parallel to the motor stator shaft in the corresponding wheel component, one end of the connecting shaft is fixedly connected with the inner side of the car frame component, the other end of the connecting shaft is connected with a driving connecting rod, one end of the driving connecting rod is rotationally connected with the motor stator shaft in the other wheel component, and the other end of the driving connecting rod bypasses the two wheel components to be rotationally connected with the connecting shaft. The shock absorber comprises an inner cylinder, an outer cylinder and a spring, wherein a connecting base is arranged at one end of the inner cylinder, a connecting footstock is arranged at the other end of the inner cylinder, the outer cylinder) is sleeved on the inner cylinder, a blocking ring is arranged on the outer ring of the outer cylinder, the spring is arranged between the blocking ring and the connecting footstock, a damping part is arranged in the outer cylinder, the damping part is sleeved on the inner cylinder, the connecting top is fixedly connected with the top of the frame assembly, the connecting base is fixedly connected with the pedal, and a motor stator shaft of the wheel assembly is connected with the outer cylinder through the connecting base. When in actual use, the damping stability is not ideal, and the springs are exposed, so that the damping performance of the springs is affected due to easy dirt hiding. If a cover member is required to cover the outer portion of the damper in order to shield the spring, the structure becomes more complicated.
Therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
In view of the above, the present invention aims at overcoming the drawbacks of the prior art, and its primary object is to provide a damping system and a wheelbarrow, which have a more stable structure, do not require additional auxiliary accessories, have lower cost, and have a more stable damping, and at the same time, have simpler manufacturing and assembling processes.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a damping system comprises
An outer cylinder having a first fixing portion at an outer portion thereof, and having a movable chamber penetrating an upper end and a lower end of the outer cylinder at an inner portion thereof;
The movable piece extends into the movable cavity, and the lower end of the movable piece extends out of the lower end of the outer cylinder;
And when the movable piece moves downwards, the buffer reset unit is pressed to store energy, and when the movable piece resets, the buffer reset unit drives the movable piece to move upwards relative to the outer barrel.
Preferably, the upper end of the movable member extends out of the upper end of the outer cylinder, and the upper end of the movable member has a third fixing portion.
As a preferable scheme, the buffer reset unit comprises a pressure spring, and the upper end and the lower end of the pressure spring respectively act on the outer cylinder and the movable part.
As a preferable scheme, the fourth fixing part is fixedly connected to the lower end of the movable part, the upper end of the fourth fixing part is connected with a buffer pad, and the upper end of the buffer pad is provided with a buffer action surface which is arranged towards the lower end of the outer cylinder.
As a preferable scheme, the buffer reset unit further comprises a damper, the upper end of the damper is connected with the movable piece, and the lower end of the damper acts on the outer cylinder.
As a preferable scheme, the damper is inserted in the movable piece, the upper end of the damper is fixed on a locking piece at the upper end of the movable piece, the locking piece is provided with a first internal thread part and a first external thread part, the first internal thread part is in threaded connection with a second external thread part at the upper end of the damper, and the first external thread part is in threaded connection with a second internal thread part at the upper end of the movable piece.
As a preferable scheme, the lower extreme of attenuator is connected with connecting piece, fixed stopper includes fixed part and spacing portion, fixed part is fixed in the urceolus, be equipped with the spout on the moving part, spacing portion downwards passes the spout is in order to stretch into the inside of moving part, be equipped with the via hole on the spacing portion, the connecting piece passes the via hole with the attenuator lower extreme forms to be connected.
As a preferable scheme, the buffer reset unit comprises gas springs, the gas springs respectively act between the outer cylinder and the movable piece, and the upper ends of the gas springs extend out of the upper end of the outer cylinder.
As a preferable scheme, the inner peripheral side surface of the movable cavity is provided with a lower step surface, the outer peripheral side surface of the movable part is provided with an upper step surface, the upper step surface is positioned above the lower step surface, and the upper end and the lower end of the pressure spring respectively act on the upper step surface and the lower step surface.
Preferably, the gas spring is a gas spring with a damper, and the upper end of the damper is connected to the upper end of the movable piece.
A wheelbarrow comprising wheels, a movable frame, pedals and a damping system, wherein the damping system is any one of the damping systems;
the first fixed part of the outer cylinder is connected with a motor shaft of the wheel, the upper end of the movable part is connected with the upper end of the movable frame, and the lower end of the movable frame and the pedals are respectively connected with the fourth fixed part of the movable part.
Compared with the prior art, the damping system has obvious advantages and beneficial effects, and particularly, the damping system is more stable in structure and lower in cost mainly through the structural design of the damping system, particularly the structural design of the outer cylinder, the movable part and the buffering reset unit, the outer cylinder is provided with a first fixing part and a second fixing part, the movable part is provided with a third fixing part and a fourth fixing part, and after the damping system is adopted, the four fixing parts are connected and positioned, the whole movable frame is combined with the upper part and the lower part, the combination of the whole movable frame is better, the vibration is avoided, the damping is more stable, and meanwhile, the production, the manufacture and the assembly process are simpler.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a perspective view of a wheelbarrow according to one embodiment of the present invention;
FIG. 2 is a partially assembled structural view of a wheelbarrow according to one embodiment of the present invention;
FIG. 3 is a partially exploded view of a wheelbarrow of one embodiment of the present invention;
FIG. 4 is a cross-sectional view of a shock absorbing system according to a first embodiment of the present invention;
FIG. 5 is an exploded view of a shock absorbing system according to a first embodiment of the present invention;
FIG. 6 is a cross-sectional view of an outer cylinder of a shock absorbing system according to a first embodiment of the present invention;
FIG. 7 is a perspective view of a fourth stationary portion of a shock absorbing system according to a first embodiment of the present invention;
FIG. 8 is another angular perspective view of a fourth stationary portion of a shock absorbing system according to the first embodiment of the present invention;
FIG. 9 is a cross-sectional view of a vibration reduction system according to a second embodiment of the present invention;
FIG. 10 is an exploded view of a shock absorbing system of a second embodiment of the present invention;
FIG. 11 is a partially exploded view of a shock absorbing system according to a second embodiment of the present invention;
FIG. 12 is a cross-sectional view of a vibration reduction system according to a third embodiment of the present invention;
FIG. 13 is an exploded view of a shock absorbing system of a third embodiment of the present invention;
FIG. 14 is a cross-sectional view of a vibration reduction system according to a fourth embodiment of the present invention;
FIG. 15 is an exploded view of a shock absorbing system of a fourth embodiment of the present invention.
The drawing shows that the shock absorbing system 100, the outer cylinder 1, the movable member 2, the cushion return unit 3, the motor shaft 4, the first fixing portion 5, the synchronization beam 6, the second fixing portion 7, the upper oil seal 9 of the movable chamber 8, the lower oil seal 10, the upper bushing 11, the upper seal ring 12, the lower bushing 13, the lower seal ring 14, the movable frame 15, the third fixing portion 16, the fourth fixing portion 17, the cushion pad 18, the fixed shaft 19, the first fixing hole 20, the second fixing hole 21, the third fixing hole 22, the fourth fixing hole 23, the shaft hole 24, the pedal 25, the fifth fixing hole 26, the battery connecting plate 27, the pressure spring 28, the lower step surface 29, the upper step surface 30, the wheels 31, the dampers 32, the locking member 33, the first internal screw portion 34, the first and external screw portions 35, the second external screw portion 36, the second internal screw portion 37, the connecting member 38, the fixing stopper 39, the fixing portion 40, the stopper 41, the stopper 42, the through hole 43, the gas spring 44, and the damper 45.
Detailed Description
Referring to fig. 1 to 15, specific structures of various embodiments of the present invention are shown.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 8, the detailed structure of the wheelbarrow and the shock absorbing system thereof according to the first embodiment of the present invention is shown, and the shock absorbing system is not limited to be applied to the wheelbarrow, but can be applied to other types of vehicles, such as:
A damping system 100 comprises an outer cylinder 1, a movable member 2 and a buffering and resetting unit 3.
The outer cylinder 1 is provided with a first fixing part 5 for connecting a motor shaft 4 and a second fixing part 7 for connecting a synchronous beam 6, a movable cavity 8 penetrating through the upper end and the lower end of the outer cylinder 1 is arranged in the outer cylinder 1, an upper oil seal 9 and a lower oil seal 10 are respectively arranged at the upper end and the lower end of the movable cavity 8, lubricating oil is arranged between the outer peripheral side surface of the movable part 2 and the inner peripheral side surface of the movable cavity 8, and the lubricating oil is positioned between the upper oil seal 9 and the lower oil seal 10, so that spring friction is reduced, and lubricating property is increased. An upper bushing 11 and an upper sealing ring 12 are sequentially arranged below the upper oil seal 9, and a lower bushing 13 and a lower sealing ring 14 are sequentially arranged above the lower oil seal 10. The upper seal ring 12 and the lower seal ring 14 may be O-rings, and the number of O-rings may be one, two or more.
The movable part 2 is in a cylindrical structure, also called an inner cylinder, and extends into the movable cavity 8, and the upper end and the lower end of the movable part extend out of the upper end and the lower end of the outer cylinder 1 respectively, the upper end and the lower end of the movable part 2 are respectively provided with a third fixing part 16 and a fourth fixing part 17 for connecting the movable frame 15, the third fixing part 16 can be fixed at the upper end of the movable part 2 in a clamp mode, and then the third fixing part 16 is connected with the upper end of the movable frame 15. The fourth fixing portion 17 is fixedly connected to the lower end of the movable member 2, a cushion pad 18 is connected to the upper end of the fourth fixing portion 17, and a cushion acting surface disposed towards the lower end of the outer cylinder 1 is disposed at the upper end of the cushion pad 18. In this embodiment, the cushion pad 18 is fixedly connected to the fourth fixing portion 17, so as to play a role of the cushion pad 18, prevent the fourth fixing portion 17 from colliding with the lower end of the outer cylinder 1 when being reset, meanwhile, the spring generally has a certain pretightening force (i.e. compresses a bit), the cushion pad 18 also plays a role of keeping the spring early warning, the connection form of the fourth fixing portion 17 at the lower end of the movable member 2 is not limited, for example, the fourth fixing portion 17 can be clamped at the lower end of the movable member 2, and then the transversely extending fixing shaft 19 can be used to pass through the first fixing hole 20 at the lower end of the movable member 2 and the second fixing hole 21 on the fourth fixing portion 17, so as to realize the connection of the fourth fixing portion 17 and the movable member 2, and prevent the fourth fixing portion 17 from falling off from the movable member 2 (normally, if the clamping band is fixed in a gap, the fourth fixing portion 17 may fall off from the movable member 2 when the fixing shaft 19 is not stressed). The cushion pad 18 is coupled and fixed to the fourth fixing hole 23 at the top of the fourth fixing portion 17 by being provided with a third fixing hole 22 itself. And, the left and right side surfaces of the fourth fixing portion 17 are further provided with shaft holes 24 extending left and right for mounting pedals 25, and the bottom of the fourth fixing portion 17 is further provided with fifth fixing holes 26 extending up and down for connecting with a battery connecting plate 27, the battery connecting plate 27 being for fixedly connecting with the lower side of the movable frame 15 (the battery is provided on the movable frame 15).
The buffer reset unit 3 acts between the outer cylinder 1 and the movable piece 2 and is positioned in the movable cavity 8, when the movable piece 2 moves downwards, the buffer reset unit 3 is pressed to store energy, and when the buffer reset unit 3 resets, the movable piece 2 is driven to move upwards relative to the outer cylinder 1. In this embodiment, the buffer reset unit 3 includes a pressure spring 28, and the upper and lower ends of the pressure spring 28 act on the outer cylinder 1 and the movable member 2 respectively. The inner peripheral side of the movable cavity 8 is provided with a lower step surface 29, the outer peripheral side of the movable part 2 is provided with an upper step surface 30, the upper step surface 30 is positioned above the lower step surface 29, and the upper end and the lower end of the pressure spring 28 respectively act on the upper step surface 30 and the lower step surface 29.
Motion process of the damping system:
The fourth fixed part 17 is stressed (pulled down), and because the outer cylinder 1 is fixed, the fourth fixed part 17 is fixedly connected with the buffer ring and the movable part 2, which is equivalent to pulling the movable part 2, a pressure spring 28 is arranged between the movable part 2 and the outer cylinder 1, and under the action of the pull down force, the movable part 2 compresses the pressure spring 28 and moves downwards, and when the reset is performed, the pressure spring 28 drives the movable part 2 to move upwards relative to the outer cylinder 1.
Next, a wheelbarrow is described, which comprises wheels 31, a movable frame 15, pedals and a damping system, wherein the damping system is the damping system, the first fixing portion 5 of the outer cylinder 1 is connected with a motor shaft 4 of the wheels 31, the second fixing portion 7 of the outer cylinder 1 is connected with a synchronous beam 6 at the upper end of the wheels 31, the third fixing portion 16 of the movable member 2 is connected with the upper end of the movable frame 15, and the lower end of the movable frame 15 and the pedals 25 are respectively connected with the fourth fixing portion 17 of the movable member 2.
The movement process of the wheelbarrow comprises the following steps of:
The pedal 25 is connected to the fourth fixing portion 17, the fourth fixing portion 17 and the buffer ring are fixedly connected with the movable member 2, the pedal 25 is stressed and is equivalent to pulling the movable member 2, the outer cylinder 1 is fixed (the motor shaft 4 is connected through the fixing block), a pressure spring 28 is arranged between the movable member 2 and the outer cylinder 1, under the action of a downward pulling force, the movable member 2 compresses the pressure spring 28 and moves downwards, and when the movable member 2 resets, the pressure spring 28 drives the movable member 2 to move upwards relative to the outer cylinder 1, and as the upper end and the lower end of the movable member 2 are respectively connected with the movable frame 15 (a battery is arranged on the movable frame 15), the movable frame 15 (and the battery) are driven to move up and down simultaneously in the upward and downward moving process of the movable member 2, so that the movable frame 15 moves integrally along with the damping system.
The first fixing portion, the second fixing portion, the third fixing portion, and the fourth fixing portion may be integrally provided on the corresponding outer cylinder and the movable member, for example, a connection hole or a mounting surface may be provided on the outer cylinder and the movable member as the fixing portion, or an accessory may be additionally provided and mounted on the corresponding outer cylinder and the movable member as the fixing portion.
As shown in fig. 9 to 11, the embodiment of the wheelbarrow of the present invention is basically the same as the embodiment one, wherein the buffer reset unit 3 further comprises a damper 32, the upper end of the damper 32 is connected to the movable member 2, and the lower end of the damper 32 acts on the outer cylinder 1. Specifically:
The damper 32 is inserted into the movable member 2, one end of the damper 32 is fixed to a locking member 33 at the upper end of the movable member 2, the locking member 33 comprises a first internal thread portion 34 and a first external thread portion 35, the first internal thread portion 34 is in threaded connection with a second external thread portion 36 at the upper end of the damper 32, and the first external thread portion 35 is in threaded connection with a second internal thread portion 37 at the upper end of the movable member 2, so that the upper ends of the damper 32 and the movable member 2 are ingeniously fixed by the locking member 33.
The other end of the damper 32 is connected with a connecting piece 38 and a fixed limiting block 39, the fixed limiting block 39 comprises a fixed part 40 and a limiting part 41, the fixed part 40 is fixed on the outer cylinder 1, a sliding groove 42 is formed in the movable piece 2, the limiting part 41 downwards penetrates through the sliding groove 42 to extend into the movable piece 2, a through hole 43 is formed in the limiting part 41, and the connecting piece 38 penetrates through the through hole 43 to be connected with the other end of the damper 32.
Motion process of the damping system:
The fourth fixed part 17 is stressed (pulled down), because the outer cylinder 1 is fixed, the fourth fixed part 17 is fixedly connected with the buffer pad 18 and the movable part 2, which is equivalent to pulling the movable part 2, the upper ends of the movable part 2 and the damper 32 are fixed, the movable part 2 moves downwards while compressing the spring under the action of the pull down force, meanwhile, the downward movement of the damper 32 is limited by the fixed limiting block, and because the fixed part is fixed on the outer cylinder 1, the fixed limiting block moves upwards in the chute of the movable part 2, and then the damper 32 is extruded. During resetting, the spring drives the movable piece 2 to move upwards relative to the outer cylinder 1, and the fixed limiting block extrudes the damper 32 during resetting.
As shown in fig. 12 to 13, the embodiment of the third embodiment of the present invention has a specific structure substantially the same as that of the second embodiment, and the main difference is that the buffer reset unit 3 includes a gas spring 44, and the gas spring 44 acts on the outer cylinder 1 and the movable member 2, respectively. The upper end of the movable piece 2 is connected with the gas spring through threads. The upper end of the gas spring 44 extends out of the upper end of the movable part 2 and is exposed out of the upper end of the outer cylinder 1, the lower end of the gas spring 44 is inserted into the movable part 2, the lower end of the gas spring 44 is connected with a connecting piece 38 and a fixed limiting block 39, the fixed limiting block 39 comprises a fixed part 40 and a limiting part 41, the fixed part 40 is fixed on the outer cylinder 1, a sliding groove 42 is formed in the movable part 2, the limiting part 41 penetrates through the sliding groove 42 downwards to extend into the movable part 2, a through hole 43 is formed in the limiting part 41, and the connecting piece 38 penetrates through the through hole 43 to be connected with the lower end of the gas spring 44.
As shown in fig. 14 to 15, there is shown a concrete structure of a wheelbarrow of a fourth embodiment of the present invention which is substantially the same as that of the third embodiment, mainly differing in that:
the gas spring is a gas spring with a damper, and the upper end of the damper 45 is connected to the upper end of the gas spring 44.
The invention mainly aims at the design of the damping system, and particularly relates to the structural design of the outer cylinder 1, the movable piece 2 and the buffering reset unit 3, so that the damping system is more stable in structure, does not need additional auxiliary accessories, is lower in cost, the outer cylinder 1 is provided with a first fixed part 5 and a second fixed part 7, the movable piece 2 is provided with a third fixed part 16 and a fourth fixed part 17, after the damping system is adopted, the four fixed parts are connected and positioned, the whole movable frame 15 is combined with the upper part and the lower part, the combination is better, the shaking is avoided, the damping is more stable, and meanwhile, the production, the manufacture and the assembly process are simpler.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the technical solutions of the present invention.
Claims (10)
1. A damping system is characterized by comprising
An outer cylinder having a first fixing portion at an outer portion thereof, and having a movable chamber penetrating an upper end and a lower end of the outer cylinder at an inner portion thereof;
The movable piece extends into the movable cavity, and the lower end of the movable piece extends out of the lower end of the outer cylinder;
The buffer reset unit acts between the outer cylinder and the movable piece and stretches into the movable cavity, when the movable piece moves downwards, the buffer reset unit is pressed to store energy, and when the buffer reset unit resets, the buffer reset unit drives the movable piece to move upwards relative to the outer cylinder, the buffer reset unit further comprises a damper, the damper is inserted into the movable piece, the upper end of the damper is connected with the movable piece, and the lower end of the damper acts on the outer cylinder.
2. A damping system according to claim 1, wherein the upper end of the movable member extends beyond the upper end of the outer cylinder, and the upper end of the movable member has a third fixed portion.
3. The damping system according to claim 1, wherein the buffer reset unit comprises a pressure spring, and the upper and lower ends of the pressure spring act on the outer cylinder and the movable member, respectively.
4. A damping system according to claim 3, wherein the inner peripheral side surface of the movable chamber is provided with a lower step surface, the outer peripheral side surface of the movable member is provided with an upper step surface, the upper step surface is located above the lower step surface, and the upper and lower ends of the pressure spring act on the upper step surface and the lower step surface, respectively.
5. The damping system according to claim 1, wherein the fourth fixing portion is fixedly connected to the lower end of the movable member, a cushion pad is connected to the upper end of the fourth fixing portion, and a cushion acting surface is provided at the upper end of the cushion pad toward the lower end of the outer cylinder.
6. A damping system according to claim 3, wherein the upper end of the damper is fixed to a locking member at the upper end of the movable member, the locking member has a first internal threaded portion and a first external threaded portion, the first internal threaded portion is screwed with a second external threaded portion at the upper end of the damper, and the first external threaded portion is screwed with a second internal threaded portion at the upper end of the movable member.
7. The damping system according to claim 6, wherein the lower end of the damper is connected with a connecting piece and a fixed limiting block, the fixed limiting block comprises a fixed part and a limiting part, the fixed part is fixed on the outer cylinder, a sliding groove is formed in the movable piece, the limiting part penetrates through the sliding groove downwards to extend into the movable piece, a through hole is formed in the limiting part, and the connecting piece penetrates through the through hole to be connected with the lower end of the damper.
8. The damping system according to claim 1, wherein the buffer reset unit comprises gas springs, the gas springs respectively act between the outer cylinder and the movable member, and the upper ends of the gas springs extend out of the upper end of the outer cylinder.
9. A damping system according to claim 8, wherein the gas spring is a dampened gas spring having an upper end of a dampener attached to an upper end of the moveable member.
10. A wheelbarrow characterized by comprising wheels, a movable frame, pedals and a damping system, wherein the damping system is the damping system according to any one of claims 1 to 9;
the first fixed part of the outer cylinder is connected with a motor shaft of the wheel, the upper end of the movable part is connected with the upper end of the movable frame, and the lower end of the movable frame and the pedals are respectively connected with the fourth fixed part of the movable part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211719824.5A CN116198644B (en) | 2022-12-30 | 2022-12-30 | Shock absorption system and wheelbarrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211719824.5A CN116198644B (en) | 2022-12-30 | 2022-12-30 | Shock absorption system and wheelbarrow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116198644A CN116198644A (en) | 2023-06-02 |
| CN116198644B true CN116198644B (en) | 2025-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211719824.5A Active CN116198644B (en) | 2022-12-30 | 2022-12-30 | Shock absorption system and wheelbarrow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116198644B (en) |
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| CN207089568U (en) * | 2017-08-15 | 2018-03-13 | 上海欧文斯工业设计有限公司 | A kind of automobile-used stealthy damping of electrical salf-walking |
| CN216332500U (en) * | 2021-11-29 | 2022-04-19 | 深圳市华亿润达科技有限公司 | High stability electric scooter with shock-absorbing function |
| CN115180056A (en) * | 2022-08-03 | 2022-10-14 | 于海杰 | A tiltable electric balance car |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523142B (en) * | 2013-11-04 | 2016-08-24 | 四川川南减震器集团有限公司 | A kind of Upside-down motorcycle front shock absorber |
| EP3103713A1 (en) * | 2015-06-04 | 2016-12-14 | Shengzhou Zhonggong Electrical, Ltd. | An inverted tricycle |
| CN217207477U (en) * | 2022-01-21 | 2022-08-16 | 李广宇 | Pneumatic suspension structure of motorcycle |
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2022
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| CN207089568U (en) * | 2017-08-15 | 2018-03-13 | 上海欧文斯工业设计有限公司 | A kind of automobile-used stealthy damping of electrical salf-walking |
| CN216332500U (en) * | 2021-11-29 | 2022-04-19 | 深圳市华亿润达科技有限公司 | High stability electric scooter with shock-absorbing function |
| CN115180056A (en) * | 2022-08-03 | 2022-10-14 | 于海杰 | A tiltable electric balance car |
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