CN218817816U - Pneumatic buffer device - Google Patents
Pneumatic buffer device Download PDFInfo
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- CN218817816U CN218817816U CN202222856601.5U CN202222856601U CN218817816U CN 218817816 U CN218817816 U CN 218817816U CN 202222856601 U CN202222856601 U CN 202222856601U CN 218817816 U CN218817816 U CN 218817816U
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- piston rod
- inner cylinder
- pneumatic
- buffer
- piston
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000013016 damping Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003584 silencer Effects 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 description 50
- 230000005484 gravity Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000000979 retarding effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a pneumatic buffer, include: a buffer cylinder and a pneumatic mechanism; the buffer cylinder comprises an inner cylinder with the upper end and the lower end in a closed state; an air inlet is arranged on the side wall of the bottom of the inner cylinder; an air outlet is arranged on the side wall of the upper part of the inner cylinder; an overflow valve and a one-way valve are arranged at the air outlet; the pneumatic mechanism comprises a piston rod with the lower part vertically arranged in the inner cylinder; the upper part of the piston rod is positioned outside the inner cylinder; a piston is arranged at the bottom end of the piston rod, and an elastic buffer piece is sleeved on the part, positioned inside the inner cylinder, of the piston rod; an elastomeric cushion is located above the piston. Utilize the utility model discloses can solve prior art, lack a problem that does not receive weight restriction, safe and the pneumatic buffer unit of smooth cable that the stationarity is high.
Description
Technical Field
The utility model relates to a buffer unit technical field specifically relates to a pneumatic buffer.
Background
The sliding rope is also called as 'fast sliding', 'fast descending', 'flying in the air', etc. Is a challenging, exciting and entertaining modern sports and amusement project. Can cross over grassland, lakes, rivers and canyons and slide downwards from high with high speed by virtue of the elevation difference. The tourists can be stimulated and satisfied in surprise and unsafety pleasure. The project brings stimulation experience to the tourists and brings certain danger to the tourists, and in order to enable the tourists to take off safely and fall to the ground safely, a strop speed reducer needs to be installed on a strop.
The sliding cable speed reducer adopted on the sliding cable at present generally has two types, the first type is traditional spring buffering, namely a spring is arranged at the end part of the sliding cable, but because the spring has the problem of uneven stress and can generate an uncontrollable rebound phenomenon, certain potential safety hazard still exists; the second is a permanent magnetic buffer device, which uses electromagnetism to realize buffering, but the quality requirement of the buffer body is limited by the device, and the device can not be applied to large load devices.
In summary, a pneumatic stroking device of a strop rope which is not limited by weight, safe and high in stability is lacking at present.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a pneumatic buffer device to solve the problem of lacking a pneumatic stroker with a strop rope, which is not limited by weight, safe and highly stable.
The utility model provides a pneumatic buffer, include: a buffer cylinder and a pneumatic mechanism; the buffer cylinder comprises an inner cylinder, the upper end and the lower end of the inner cylinder are in a closed state; an air inlet is formed in the side wall of the bottom of the inner barrel; an air outlet is arranged on the side wall of the upper part of the inner cylinder; an overflow valve and a one-way valve are arranged at the air outlet; the pneumatic mechanism comprises a piston rod with the lower part vertically arranged in the inner cylinder; the upper part of the piston rod is positioned outside the inner cylinder; a piston is arranged at the bottom end of the piston rod, and an elastic buffer piece is sleeved on the part, located inside the inner cylinder, of the piston rod; the elastic buffer is located above the piston.
Further, it is preferable that a traction mechanism is provided on the top of the piston rod.
In addition, the preferable structure is that the traction mechanism comprises a traction rope body fixed on the top of the piston rod.
In addition, the preferable structure is that an outer cylinder is sleeved outside the inner cylinder; the upper part of the piston rod is positioned in the outer cylinder; a guide piston is sleeved at the upper end of the piston rod; the guide piston is located inside the outer cylinder.
Further, it is preferable that a steering mechanism is provided on a top of the outer cylinder; the traction rope body is wound on the steering mechanism.
Further, it is preferable that the traction rope is a steel wire rope.
Further, it is preferable that the steering mechanism includes a steering fixed pulley; the traction rope body is wound on the steering fixed pulley.
In addition, the preferable structure is that a lower end cover is arranged at the bottom end of the inner cylinder; an upper end cover is arranged at the top end of the inner cylinder; a rod hole is formed in the top of the upper end cover, the lower portion of the piston rod penetrates through the rod hole and is arranged inside the inner cylinder, an upper air outlet is formed in the side wall of the upper end cover, and the upper air outlet corresponds to the air outlet of the inner cylinder in position; and a lower air inlet is formed in the side wall of the lower end cover, and the lower air outlet corresponds to the air inlet of the inner cylinder in position.
Further, it is preferable that a muffler is provided at the air inlet.
Further, it is preferable that the elastic buffer is a spring.
According to the technical scheme, the pneumatic buffer device provided by the utility model, through vertically installing the upper end of the piston rod on the speed reduction equipment needing buffering, when the piston rod moves upwards under the pulling force of the buffering speed reduction equipment, the gas in the inner barrel is compressed, and as the overflow valve and the one-way valve are arranged at the gas outlet, the gas is released at constant pressure, namely the buffering acting force is constant all the time in the working stroke; when reaching buffering limit stroke, the buffering is ended, and when no external force acts on the piston rod, piston rod and piston are under the effect of gravity, get back to the bottom of inner tube, wait for the buffering next time, through elastomeric buffer's setting, make the terminal stroke of buffering have the buffering and guarantee the piston have the speed of resilience whereabouts, the utility model discloses utilize the gas compression and the air current speed of piston rod and piston in the inner tube to realize steady buffering, do not receive the weight restriction of the speed reduction equipment that needs the buffering to security and stationarity are high.
Drawings
Other objects and results of the invention will be more apparent and readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:
fig. 1 is a schematic structural view of a pneumatic buffer device according to an embodiment of the present invention, ready to enter a buffering state;
fig. 2 is a schematic structural diagram of a pneumatic buffer device according to an embodiment of the present invention in a buffering state.
In the attached drawings, 1-inner cylinder, 11-air inlet, 12-air outlet, 13-lower end cover, 14-upper end cover; 2-piston rod, 21-piston, 22-elastic buffer piece, 3-traction rope body, 4-outer cylinder, 41-guide piston, 5-steering fixed pulley and 6-silencer.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
To the aforesaid provide in prior art, lack the problem that a do not receive weight restriction, safe and the pneumatic buffer device of smooth cable that the stationarity is high, the utility model provides a pneumatic buffer.
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In order to illustrate the pneumatic buffer device provided by the present invention, fig. 1 shows a structure of the pneumatic buffer device according to an embodiment of the present invention when it is ready to enter a buffering state; fig. 2 shows a structure of a pneumatic buffer device according to an embodiment of the present invention in a buffering state.
As shown in fig. 1 and fig. 2, the utility model provides a pneumatic buffer device, include: a buffer cylinder and a pneumatic mechanism; wherein, the buffer cylinder comprises an inner cylinder 1 with the upper end and the lower end in a closed state; an air inlet 11 is arranged on the side wall of the bottom of the inner barrel 1; an air outlet 12 is arranged on the side wall of the upper part of the inner cylinder 1; an overflow valve and a check valve (not shown in the figure) are arranged at the air outlet 12; the pneumatic mechanism comprises a piston rod 2 with the lower part vertically arranged in the inner cylinder 1; the upper part of the piston rod 2 is positioned outside the inner cylinder 1; a piston 21 is arranged at the bottom end of the piston rod 2, and an elastic buffer 22 is sleeved on the part of the piston rod 2 positioned in the inner cylinder 1; the elastic buffer 22 is located above the piston 21.
The upper end of the piston rod 2 is vertically arranged on the speed reducing equipment needing buffering, when the piston rod 2 moves upwards under the pulling force of the buffering speed reducing equipment, the gas in the inner cylinder 1 is compressed, and as the overflow valve and the one-way valve are arranged at the gas outlet 12, the gas is released at constant pressure, namely the buffering acting force is constant all the time in the working stroke; when reaching buffering limit stroke, the buffering is ended, and when no external force acts on piston rod 2, piston rod 2 and piston 21 get back to the bottom of inner tube 1 under the effect of gravity, wait for the buffering next time, through the setting of elastic buffer member 22, make the terminal stroke of buffering have the buffering and guarantee that piston 21 has the speed of resilience whereabouts, the utility model discloses utilize the gas compression and the air current speed of piston rod 2 and piston 21 in inner tube 1 to realize steady buffering, do not receive the weight restriction of the speed reduction equipment that needs the buffering to security and stationarity are high.
As a preferable aspect of the present invention, a traction mechanism is provided at the top of the piston rod 2. Be convenient for be connected the retarding apparatus of piston rod 2's top and needs buffering through drive mechanism, make the retarding apparatus that needs the buffering on piston rod 2 at the action of gravity of descending in-process to utilize the gaseous steady flow rate of the inside compression of inner tube 1 to reach the whereabouts buffering to the retarding apparatus that needs the buffering.
As a preferred scheme of the utility model, the traction mechanism includes the traction rope body 3 fixed at the top of the piston rod 2. The traction rope body 3 is a traction mechanism commonly used in a sliding rope, connects the piston rod 2 and the speed reducing device needing buffering, and transmits the gravity of the speed reducing device needing buffering to the piston rod 2.
As a preferred scheme of the utility model, an outer cylinder 4 is sleeved outside the inner cylinder 1; the upper part of the piston rod 2 is positioned inside the outer cylinder 4; the upper end of the piston rod 2 is sleeved with a guide piston 41; the guide piston 41 is located inside the outer cylinder 4. The piston rod 2 is protected by the outer cylinder 4, and the stress of the piston rod 2 in the outer cylinder 4 is guided by the guide piston 41.
As a preferred scheme of the utility model, a steering mechanism is arranged at the top of the outer cylinder 4; the traction rope body 3 is wound on the steering mechanism. The gravity generated by the speed reducing device needing buffering in the descending process is conveniently applied to the piston rod 2 through the steering mechanism, so that the constant pressure of the compressed gas in the inner cylinder 1 is released, and the effect of falling buffering is achieved on the speed reducing device needing buffering.
As a preferable embodiment of the present invention, the traction rope body 3 is a steel wire rope. Is firm and durable.
As a preferable scheme of the utility model, the steering mechanism comprises a steering fixed pulley 5; the traction ropes 3 are wound around the diverting fixed pulley 5. The downward force of gravity generated by the descending of the speed reducing device needing buffering can be converted into the upward pulling force of the piston rod 2 through the diverting fixed pulley 5, so that the effect of buffering the descending of the speed reducing device needing buffering is achieved.
As a preferred scheme of the utility model, a lower end cover 13 is arranged at the bottom end of the inner tube 1; an upper end cover 14 is arranged at the top end of the inner cylinder 1; a rod hole is formed in the top of the upper end cover 14, the lower portion of the piston rod 2 penetrates through the rod hole and is arranged inside the inner cylinder 1, an upper air outlet is formed in the side wall of the upper end cover 14, and the upper air outlet corresponds to the air outlet 12 of the inner cylinder 1 in position; the side wall of the lower end cover 13 is provided with a lower air inlet, and a lower air outlet corresponds to the air inlet 11 of the inner cylinder 1 in position. The structural design of the upper end cover 14 and the lower end cover 13 ensures that the inner part of the inner cylinder 1 is in a closed state so as to realize gas compression in the inner part.
As a preferable aspect of the present invention, a silencer 6 is provided at the air inlet 11. For reducing noise generated when the air inlet 11 is filled with air during the buffering process.
As a preferred embodiment of the present invention, the elastic buffer 3 is a spring. The spring is a commonly used elastic buffer, preferably a helical spring. The spring mainly acts as a buffer device, and after the buffer is finished, the piston 21 and the piston rod 2 can have certain initial force and smoothly fall back to the bottom of the buffer device (the inner cylinder 1) to wait for the next buffer action.
It can be seen from the above detailed description that, the pneumatic buffering device provided by the utility model, by vertically installing the upper end of the piston rod on the speed reduction equipment needing buffering, when the piston rod moves upwards under the pulling force of the buffering speed reduction equipment, the gas in the inner cylinder is compressed, and as the overflow valve and the one-way valve are arranged at the gas outlet, the gas is released with constant pressure, namely, the buffering acting force is constant all the time in the working stroke; when reaching buffering limit stroke, the buffering is ended, and when no external force acts on the piston rod, piston rod and piston are under the effect of gravity, get back to the bottom of inner tube, wait for the buffering next time, through elastomeric buffer's setting, make the terminal stroke of buffering have the buffering and guarantee the piston have the speed of resilience whereabouts, the utility model discloses utilize the gas compression and the air current speed of piston rod and piston in the inner tube to realize steady buffering, do not receive the weight restriction of the speed reduction equipment that needs the buffering to security and stationarity are high.
The pneumatic damping device according to the invention is described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the pneumatic cushion device of the present invention without departing from the scope of the present invention. Accordingly, the scope of the present invention should be determined by the content of the appended claims.
Claims (10)
1. A pneumatic cushioning apparatus, comprising: a buffer cylinder and a pneumatic mechanism; wherein,
the buffer cylinder comprises an inner cylinder with the upper end and the lower end in a closed state; an air inlet is formed in the side wall of the bottom of the inner cylinder; an air outlet is formed in the side wall of the upper part of the inner cylinder; an overflow valve and a one-way valve are arranged at the air outlet;
the pneumatic mechanism comprises a piston rod with the lower part vertically arranged in the inner cylinder; the upper part of the piston rod is positioned outside the inner cylinder; a piston is arranged at the bottom end of the piston rod, and an elastic buffer piece is sleeved on the part, located inside the inner cylinder, of the piston rod; the elastic buffer is located above the piston.
2. Pneumatic damping device according to claim 1,
and a traction mechanism is arranged at the top of the piston rod.
3. Pneumatic damping device according to claim 1,
the traction mechanism comprises a traction rope body fixed on the top of the piston rod.
4. A pneumatic buffer device according to claim 3,
an outer cylinder is sleeved outside the inner cylinder;
the upper part of the piston rod is positioned in the outer barrel;
a guide piston is sleeved at the upper end of the piston rod;
the guide piston is located inside the outer cylinder.
5. A pneumatic buffer device according to claim 4,
a steering mechanism is arranged at the top of the outer barrel;
the traction rope body is wound on the steering mechanism.
6. Pneumatic damping device according to claim 5,
the traction rope body is a steel wire rope.
7. A pneumatic buffer device according to claim 5,
the steering mechanism comprises a steering fixed pulley;
the traction rope body is wound on the steering fixed pulley.
8. Pneumatic damping device according to claim 1,
a lower end cover is arranged at the bottom end of the inner barrel;
an upper end cover is arranged at the top end of the inner cylinder;
a rod hole is formed in the top of the upper end cover, the lower portion of the piston rod penetrates through the rod hole and is arranged inside the inner cylinder, an upper air outlet is formed in the side wall of the upper end cover, and the upper air outlet corresponds to the air outlet of the inner cylinder in position;
and a lower air inlet is formed in the side wall of the lower end cover, and the lower air outlet corresponds to the air inlet of the inner barrel in position.
9. Pneumatic damping device according to claim 1,
a silencer is arranged at the air inlet.
10. Pneumatic damping device according to claim 1,
the elastic buffer is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222856601.5U CN218817816U (en) | 2022-10-28 | 2022-10-28 | Pneumatic buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222856601.5U CN218817816U (en) | 2022-10-28 | 2022-10-28 | Pneumatic buffer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218817816U true CN218817816U (en) | 2023-04-07 |
Family
ID=87266941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222856601.5U Active CN218817816U (en) | 2022-10-28 | 2022-10-28 | Pneumatic buffer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218817816U (en) |
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2022
- 2022-10-28 CN CN202222856601.5U patent/CN218817816U/en active Active
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