CN221120759U - Double-acting shock absorber and mechanical wheel - Google Patents
Double-acting shock absorber and mechanical wheel Download PDFInfo
- Publication number
- CN221120759U CN221120759U CN202322847570.1U CN202322847570U CN221120759U CN 221120759 U CN221120759 U CN 221120759U CN 202322847570 U CN202322847570 U CN 202322847570U CN 221120759 U CN221120759 U CN 221120759U
- Authority
- CN
- China
- Prior art keywords
- spring
- shock absorber
- opening
- buffer
- cylinder
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000035939 shock Effects 0.000 title claims abstract description 41
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 53
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 239000011148 porous material Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 2
- 230000033001 locomotion Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000002441 reversible effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 10
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a double-acting shock absorber and a mechanical wheel, which comprise a connecting rod, a cylinder body, a piston rod and further comprise: the floating piston and the damping valve are respectively positioned at the left end and the right end in the cylinder body; a buffer cavity is arranged between the floating piston and the left end of the cylinder; the damping valve is connected with the piston rod, and a first oil cavity is arranged between the damping valve and the floating piston; a second oil cavity is arranged between the damping valve and the right end of the cylinder; the buffer body is an elastic extrusion piece, is arranged in the second oil cavity through a bearing ring arranged on the piston rod, and is positioned between the bearing ring and the right end of the cylinder; and the spring is arranged between the connecting rod and the cylinder body. Compared with the prior art, the utility model has the beneficial effects that: the shock absorber is subjected to diversified design improvement by combining the change of the tire motion state, including but not limited to start and stop, forward and reverse rotation and various road conditions of the tire, so as to meet the use requirement in the actual application scene.
Description
Technical Field
The utility model belongs to the technical field of shock absorbers, and particularly relates to a double-acting shock absorber and a mechanical wheel.
Background
A non-pneumatic tire is a new concept tire proposed in recent years that replaces the current shock absorbing function of a vehicle suspension and the gas shock absorbing function of a conventional pneumatic tire by turning over the structure of the conventional tire.
At present, the actual damping requirement of the inflation-free tire is not met, and the shock absorber structure of the core part of the inflation-free tire is designed and improved so as to be matched with the motion state and the motion working condition environment of the wheel in a proper way, and most of the inflation-free tire stays in a more conventional gas spring structure or hydraulic damper structure on the market for damping.
Disclosure of utility model
The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the other features, objects, and advantages of the utility model.
The utility model provides a double-acting shock absorber and a mechanical wheel, which are used for carrying out diversified design improvement on the shock absorber by combining the change of the movement state of a tire, including but not limited to start and stop, forward and reverse rotation of the tire and various road conditions, so as to meet the use requirement in a practical application scene.
The utility model discloses a double-acting shock absorber, which comprises a connecting rod, a cylinder body, a piston rod and further comprises:
The floating piston and the damping valve are respectively positioned at the left end and the right end in the cylinder body; a buffer cavity is arranged between the floating piston and the left end of the cylinder; the damping valve is connected with the piston rod, and a first oil cavity is arranged between the damping valve and the floating piston; a second oil cavity is formed between the damping valve and the right end of the cylinder;
the buffer body is an elastic extrusion piece, is arranged in the second oil cavity through a bearing ring arranged on the piston rod, and is positioned between the bearing ring and the right end of the cylinder body;
And the spring is arranged between the connecting rod and the cylinder body.
In some embodiments, the buffer body is sleeved on the piston rod, and the outer diameter of the buffer body is smaller than the inner diameter of the cylinder.
In some embodiments, an oil seal is arranged between the buffer body and the right end of the cylinder; sealing rings are arranged between the outer circumferences of the floating piston and the damping valve and the inner wall of the cylinder body.
In some embodiments, the buffer cavity is a non-closed chamber cavity and is internally provided with an auxiliary spring; the two ends of the auxiliary spring are respectively connected with the left end of the cylinder body and the floating piston, and a limiting groove is arranged at the connection part of the auxiliary spring and the floating piston.
In some embodiments, a collar is provided on the outer wall of the barrel; the lantern ring and the connecting rod are respectively provided with a spring first positioning ring and a spring second positioning ring; the spring is sleeved between the first spring positioning ring and the second spring positioning ring, and the inner diameter of the spring is matched with the outer diameters of the first spring positioning ring and the second spring positioning ring.
In some embodiments, a buffer rubber ring is arranged in the spring second positioning ring; the buffer rubber ring is sleeved on the piston rod, and the height of the buffer rubber ring is higher than that of the spring second positioning ring.
In some embodiments, the damping hole on the damping valve includes:
The first opening and the second opening are communicated, and the inner diameter of the first opening is smaller than that of the second opening;
the open pore limiting piece is arranged at the outer end of the second open pore, and a diversion channel is arranged in the open pore limiting piece;
The ball and the ball spring are positioned between the first opening and the opening limiting piece in the second opening, and the outer diameter of the ball is smaller than the caliber of the second opening and larger than the caliber of the first opening and the caliber of the flow guide channel.
In some embodiments, the aperture stop is threadably coupled to the second aperture and is provided with a hexagonal opening at an outer end thereof.
In some embodiments, further comprising:
the protective cover is sleeved outside the spring; the internal diameter of safety cover with the external diameter looks adaptation of lantern ring, just be equipped with the heat dissipation trompil on the safety cover.
The utility model also discloses a mechanical wheel, which comprises: a double acting shock absorber according to any of the above embodiments.
Compared with the prior art, the utility model has the following beneficial effects:
1. Considering the actual movement process of the tire, such as a starting stage and a vehicle stopping stage, for the requirements of bidirectional traction and bidirectional shock absorption, corresponding springs and buffer bodies are respectively arranged as basic buffer pieces, for example, the vibration frequency of the wheels is too high in a high-speed movement state of the vehicle, at the moment, the springs and the buffer bodies are not used as core shock absorption pieces for shock absorption, the shock absorption effect is achieved mainly through the structural form of liquid damping, and meanwhile, shock absorption compensation is carried out on the vehicle by matching with a buffer cavity (gas buffer or spring buffer) mode, so that the shock absorption requirements of various movement states of the vehicle are met.
2. Optimize each shock attenuation unit's overall structure design, make its structure compacter, risk fault rate is low, and wherein fluid damping's mode is applicable to high frequency shock attenuation, can not produce great heat, cooperates the spring of outside corresponding mounted position in order to reach effective shock attenuation, simultaneously for prevent that the spring from receiving the impact of rubble or debris entering spring inside, set up corresponding safety cover structure to dispel the heat through the heat dissipation trompil of safety cover. The device overall structure overall arrangement is effective reasonable to fully consider each link factor in the tire motion process to carry out corresponding matching design, thereby promote its life and shock attenuation effect greatly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.
FIG. 1 is a schematic view of the internal structure of a double acting shock absorber of the present utility model.
FIG. 2 is a schematic view of the structure of the damping orifice and the protective cover in the double-acting shock absorber of the present utility model.
Fig. 3 is a schematic structural view of the mechanical wheel of the present utility model.
Description of the drawings: the piston rod comprises a connecting rod 1, a cylinder body 2, a piston rod 3, a sleeve ring 4, a spring 5, a bearing ring 6, a buffer body 7, an oil seal 8, a damping valve 9, a first oil cavity 10, a second oil cavity 11, a floating piston 12, a buffer cavity 13, an auxiliary spring 14, a buffer rubber ring 15, a spring first positioning ring 16, a spring second positioning ring 17, a protective cover 18, a first opening 19, an opening limiting piece 20, a second opening 21, a ball 22, a ball spring 23 and an inner hexagonal opening 24.
Detailed Description
The present utility model will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments provided by the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
It is apparent that the drawings in the following description are only some examples or embodiments of the present utility model, and it is possible for those of ordinary skill in the art to apply the present utility model to other similar situations according to these drawings without inventive effort. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by those of ordinary skill in the art that the described embodiments of the utility model can be combined with other embodiments without conflict.
A double-acting shock absorber comprises a connecting rod 1, a cylinder 2 and a piston rod 3, wherein one end of the piston rod 3, which is positioned at the connecting rod 1, can be connected and fixed in a welding, threaded connection and clamping manner, the piston rod 3 penetrates through the cylinder 2, a damping valve 9 is arranged on the piston rod 3, the damping valve 9 can be specifically arranged on a ring table by processing the piston rod 3, and the damping valve 9 is sleeved at the ring table and then is fixed by bolts. The outermost end of the piston rod 3 can be in butt joint or connection or non-butt joint and is provided with a floating piston 12; the cylinder body 2 is divided into a buffer cavity 13, a first oil cavity 10 and a second oil cavity 11 sequentially from left to right through a floating piston 12 and a damping valve 9; meanwhile, a bearing ring 6 is welded on the piston rod 3 in the second oil cavity 11, and a corresponding buffer body 7 is arranged between the bearing ring 6 and the right end of the cylinder body 2, wherein the buffer body 7 is an elastic extrusion piece to realize the damping effect. The cylinder body 2 is also sleeved with a spring 5, and the spring 5 is positioned between the connecting rod 1 and the cylinder body 2.
During the extrusion process, the piston rod 3 moves leftwards, the pressure of the spring 5, the resistance of the damping valve 9 and the damping of the floating piston 12 are overcome, and therefore, the effective integration of three damping effects is realized.
In the resetting process, the piston rod 3 moves rightwards, the pressure of the buffer body 7, the resistance of the damping valve 9 and the damping of the floating piston 12 are overcome, and therefore, the effective integration of three damping effects is realized.
In some embodiments, the buffer body 7 is sleeved on the piston rod 3, and the outer diameter of the buffer body 7 is smaller than the inner diameter of the cylinder 2. The buffer body 7 is used as an extrusion part, and deformation effect can occur in the extrusion process, so that the size of the buffer body 7 needs to be smaller than the inner diameter of the cylinder body 2 to ensure enough compression space, and meanwhile, the buffer body 7 is used as an effective supporting stress point of traction force in the external pulling process to ensure the traction effect of force.
In some embodiments, an oil seal is arranged between the buffer body 7 and the right end of the cylinder 2; sealing rings are arranged between the outer circumferences of the floating piston 12 and the damping valve 9 and the inner wall of the cylinder 2. So as to ensure the sealing effect of each joint.
In some embodiments, the buffer chamber 13 is a non-closed chamber, and an auxiliary spring 14 is arranged in the buffer chamber; the two ends of the auxiliary spring 14 are respectively connected with the left end of the cylinder body 2 and the floating piston 12, and a limiting groove is arranged at the connection part of the two ends. By further acting as a damping compensation for the auxiliary spring 14, the damping effect is improved, while in combination with its mounting position it is ensured that no positional displacement occurs.
In some embodiments, collar 4 is provided on the outer wall of barrel 2; the lantern ring 4 and the connecting rod 1 are respectively provided with a spring first positioning ring 16 and a spring second positioning ring 17; the spring 5 is sleeved between the first spring positioning ring 16 and the second spring positioning ring 17, and the inner diameter of the spring 5 is matched with the outer diameters of the first spring positioning ring 16 and the second spring positioning ring 17. In order to reduce the deflection phenomenon of the spring 5 in the shock absorption process, a corresponding positioning ring structure is set so as to ensure the centering of the spring 5 and further ensure the shock absorption effect.
In some embodiments, a buffer rubber ring 15 is arranged in the spring second positioning ring 17; the buffer rubber ring 15 is sleeved on the piston rod 3, and the height of the buffer rubber ring 15 is higher than that of the spring second positioning ring 17. The impact received when the connecting rod 1 and the cylinder 2 mechanically collide can be effectively avoided by the buffer rubber ring 15.
In some embodiments, the damping hole on the damping valve 9 comprises:
The first opening 19 and the second opening 21 are communicated, and the inner diameter of the first opening 19 is smaller than the inner diameter of the second opening 21;
the open pore limiting piece 20 is arranged at the outer end of the second open pore 21, and a diversion channel is arranged in the open pore limiting piece;
The ball 22 and the ball spring 23 are positioned between the first opening 19 and the opening limiting member 20 in the second opening 21, and the outer diameter of the ball is smaller than the caliber of the second opening and larger than the caliber of the first opening and the caliber of the diversion channel. Through the structural design of damping hole, mainly be in order to cooperate the scram of vehicle, the suitability improvement that the quick start goes on. And in order to facilitate the installation, the hole stopper 20 is screw-coupled with the second hole 21 and is provided at its outer end with an inner hexagonal opening 24. Therefore, the socket head wrench can be used for quick connection and installation through threads.
In some embodiments, the buffer chamber is a closed air chamber. Here, the damping compensation is achieved by the gas pressure present in the closed gas.
In some embodiments, further comprising: the protection cover 18 is sleeved outside the spring 5; the inner diameter of the protective cover 18 is matched with the outer diameter of the lantern ring 4, and the protective cover 18 is provided with a heat dissipation opening.
Referring to fig. 2, the protection cover 18 can effectively protect the spring 5, prevent broken stones or other sundries in the running of the vehicle from entering into the gap of the spring, so as to avoid interference to the damping effect, the movable end of the protection cover 18 covers the collar 4 in a non-stressed state on the length setting of the protection cover, thereby playing a guiding role, meanwhile, the installation position of the collar 4 is to be arranged at the right end of the first oil cavity 10, mainly considering relatively less heat generated by oil damping, the effective heat dissipation can be realized by matching with the heat dissipation opening on the protection cover 18, and the buffer cavity 13 arranged at one side of the floating piston 12 is provided. Of course, in this structure, the buffer chamber is more used as the shock absorption compensation in the shock absorption process, so the heat generated by itself is relatively limited, and therefore, the buffer chamber does not have a substantial influence.
A mechanical wheel, comprising: a double acting shock absorber as in any of the previous embodiments. Referring specifically to fig. 3, bi-directional dampers may be evenly distributed between the inner and outer rims.
The working principle is as follows:
In the stopped state of the vehicle, the spring 5 and the buffer body 7 serve as main damping support units, the damping valve 9 basically does not output load, the floating piston 12 serves as damping compensation units, mechanical compensation can be performed through the auxiliary spring 14 or gas damping compensation can be performed through the closed air cavity, and a corresponding auxiliary spring 14 can be arranged in the closed air cavity by adopting a combination of the two modes.
In the process of forward and reverse running of the vehicle, the cylinder body 2 pulls the connecting rod 1 to move or the connecting rod 1 pulls the cylinder body 2 to move, so that a reliable force transmission relationship is formed among the bearing ring 6, the buffer body 7 and the right end of the cylinder body 2 in order to ensure traction force between the inner rim and the outer rim. Meanwhile, the buffer body 7 plays a certain role in damping in the traction process.
In the high-speed running process of the vehicle, due to the action of inertia, the traction force of the vehicle is relatively constant, at the moment, the connecting rod 1 and the cylinder 2 relatively move, in the moving process, the damping valve 9 serves as a main damping support unit, the floating piston 12 plays a role in compensating the damping valve 9, the duty ratio of the spring 5 in the damping process is reduced, and therefore the spring 5 is protected, and the service life of the vehicle is prolonged.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The utility model provides a double-acting bumper shock absorber, includes connecting rod, barrel, piston rod, its characterized in that still includes:
The floating piston and the damping valve are respectively positioned at the left end and the right end in the cylinder body; a buffer cavity is arranged between the floating piston and the left end of the cylinder; the damping valve is connected with the piston rod, and a first oil cavity is arranged between the damping valve and the floating piston; a second oil cavity is formed between the damping valve and the right end of the cylinder;
the buffer body is an elastic extrusion piece, is arranged in the second oil cavity through a bearing ring arranged on the piston rod, and is positioned between the bearing ring and the right end of the cylinder body;
And the spring is arranged between the connecting rod and the cylinder body.
2. The double-acting shock absorber according to claim 1, wherein the buffer body is sleeved on the piston rod, and an outer diameter of the buffer body is smaller than an inner diameter of the cylinder.
3. The double-acting shock absorber according to claim 1, wherein an oil seal is provided between the buffer body and the right end of the cylinder; sealing rings are arranged between the outer circumferences of the floating piston and the damping valve and the inner wall of the cylinder body.
4. The double-acting shock absorber according to claim 1, wherein the buffer chamber is a non-closed chamber and is internally provided with an auxiliary spring; the two ends of the auxiliary spring are respectively connected with the left end of the cylinder body and the floating piston, and a limiting groove is arranged at the connection part of the auxiliary spring and the floating piston.
5. The double acting shock absorber of claim 1 wherein a collar is provided on an outer wall of the cylinder; the lantern ring and the connecting rod are respectively provided with a spring first positioning ring and a spring second positioning ring; the spring is sleeved between the first spring positioning ring and the second spring positioning ring, and the inner diameter of the spring is matched with the outer diameters of the first spring positioning ring and the second spring positioning ring.
6. The double acting shock absorber of claim 5 wherein a buffer rubber ring is provided within the spring second positioning ring; the buffer rubber ring is sleeved on the piston rod, and the height of the buffer rubber ring is higher than that of the spring second positioning ring.
7. The dual acting shock absorber of claim 1 wherein the damping orifice in the damping valve comprises:
The first opening and the second opening are communicated, and the inner diameter of the first opening is smaller than that of the second opening;
the open pore limiting piece is arranged at the outer end of the second open pore, and a diversion channel is arranged in the open pore limiting piece;
The ball and the ball spring are positioned between the first opening and the opening limiting piece in the second opening, and the outer diameter of the ball is smaller than the caliber of the second opening and larger than the caliber of the first opening and the caliber of the flow guide channel.
8. The dual acting shock absorber of claim 7 wherein said aperture stop is threadably connected to said second aperture and is provided with a hexagonal socket opening at an outer end thereof.
9. The double acting shock absorber of claim 1 wherein the buffer chamber is a closed air chamber.
10. A mechanical wheel, comprising: a double acting shock absorber as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322847570.1U CN221120759U (en) | 2023-10-23 | 2023-10-23 | Double-acting shock absorber and mechanical wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322847570.1U CN221120759U (en) | 2023-10-23 | 2023-10-23 | Double-acting shock absorber and mechanical wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221120759U true CN221120759U (en) | 2024-06-11 |
Family
ID=91372165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322847570.1U Active CN221120759U (en) | 2023-10-23 | 2023-10-23 | Double-acting shock absorber and mechanical wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221120759U (en) |
-
2023
- 2023-10-23 CN CN202322847570.1U patent/CN221120759U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221120759U (en) | Double-acting shock absorber and mechanical wheel | |
| CN109707781B (en) | Vehicle steering damper | |
| CN111098881A (en) | Gas-liquid buffer with pull-press bidirectional buffering function and buffering device thereof | |
| CN212272903U (en) | Air energy storage shock absorber | |
| CN217502423U (en) | Piston assembly of magneto-rheological single-cylinder shock absorber for automobile | |
| CN108562419B (en) | Free piston buffer gear | |
| CN213323523U (en) | Rear axle damping shock absorber of electric tricycle | |
| CN216519350U (en) | Lead screw shock absorber | |
| CN221120758U (en) | Double-acting shock absorber and mechanical wheel | |
| CN204647127U (en) | Combined type spring-damper | |
| CN203651383U (en) | Damping device of electric fire patrol vehicle | |
| CN210565974U (en) | Buffer device of automobile shock absorber ware | |
| CN217463017U (en) | Bidirectional shock absorber for automobile | |
| CN221120763U (en) | Motorcycle shock absorber | |
| CN214424983U (en) | Automobile shock absorber with double-piston structure | |
| CN210318325U (en) | Rear shock absorber with knuckle bearing | |
| CN215720443U (en) | Dustproof structure of oil pressure shock absorber of vehicle | |
| CN216343624U (en) | Hydraulic shock absorber with semicircular groove on base | |
| CN211059277U (en) | Inverted shock absorber | |
| CN214305013U (en) | High-buffer automobile shock absorber | |
| CN216343625U (en) | Hydraulic shock absorber with inclined hole in guide sleeve | |
| CN211778710U (en) | Shock absorber | |
| CN212202930U (en) | A damping device for new energy automobile | |
| CN211202711U (en) | Air spring shock absorber structure with double-support protective cover | |
| CN113833799B (en) | Shock absorber for automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |