CN210637426U - Piston rod guide reinforcing air spring - Google Patents
Piston rod guide reinforcing air spring Download PDFInfo
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- CN210637426U CN210637426U CN201921007727.7U CN201921007727U CN210637426U CN 210637426 U CN210637426 U CN 210637426U CN 201921007727 U CN201921007727 U CN 201921007727U CN 210637426 U CN210637426 U CN 210637426U
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- piston
- piston rod
- fixedly connected
- water conservancy
- conservancy diversion
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Abstract
The utility model discloses a piston rod direction reinforcing air spring, the power distribution cylinder comprises a cylinder body, the gas compression chamber has been seted up in the cylinder body, sliding connection has the piston in the gas compression chamber, respectively fixedly connected with seal pad layer, uide bushing in the cylinder body, one side fixedly connected with piston rod of piston, the piston rod runs through seal pad layer and uide bushing setting in proper order, first water conservancy diversion hole has been seted up in the piston rod, the second water conservancy diversion hole has been seted up in the piston, first water conservancy diversion hole and second water conservancy diversion hole intercommunication set up, be equipped with oil storage mechanism in the piston, a plurality of overflow holes have been seted up in the piston, one side fixedly connected with resilient rubber pad of piston. The utility model discloses an injection pipe prevents the lubricating oil backward flow toward the downthehole injection lubricating oil of first water conservancy diversion, under the effect of check valve, absorbs by the sponge and saves through the effect of switching on in first water conservancy diversion hole and second water conservancy diversion hole, has reduced lubricating oil and has added cycle, convenient to use.
Description
Technical Field
The utility model relates to an air spring technical field especially relates to a piston rod direction reinforcing air spring.
Background
The gas spring is an industrial accessory which can play a role in supporting, buffering, braking, height adjustment, angle adjustment and the like. It is composed of the following parts: the device comprises a pressure cylinder, a piston rod, a piston, a sealing guide sleeve, filler (inert gas or oil-gas mixture), an in-cylinder control element, an out-cylinder control element, a joint and the like. The principle is that inert gas or oil-gas mixture is filled in a closed pressure cylinder.
In order to guarantee that the sliding is stable in the existing gas spring between the piston and the cylinder body, the gas spring needs to be lubricated regularly, but because the gas spring per se belongs to an industrial accessory with high air tightness requirement, frequent disassembly of the piston and addition of lubricating oil can lead to reduction of sealing performance and influence on the service life of the gas spring.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: in order to guarantee that the sliding is stable in the existing gas spring between the piston and the cylinder body, the gas spring needs to be lubricated regularly, but because the gas spring per se belongs to an industrial accessory with high air tightness requirement, frequent disassembly of the piston and addition of lubricating oil can lead to reduction of sealing performance and influence on the service life of the gas spring.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a piston rod direction reinforcing air spring, includes the cylinder body, the gas compression chamber has been seted up in the cylinder body, sliding connection has the piston in the gas compression chamber, respectively fixedly connected with seal pad layer, uide bushing in the cylinder body, one side fixedly connected with piston rod of piston, the piston rod runs through seal pad layer and uide bushing setting in proper order, seted up first water conservancy diversion hole in the piston rod, set up second water conservancy diversion hole in the piston, first water conservancy diversion hole and second water conservancy diversion hole intercommunication set up, be equipped with oil storage mechanism in the piston, a plurality of overflow holes have been seted up in the piston, one side fixedly connected with elastic rubber pad of piston.
Preferably, the oil storage mechanism includes the oil storage tank, the oil storage tank is seted up in the piston, fixedly connected with sponge in the oil storage tank, every the overflow hole all communicates with the oil storage tank.
Preferably, a hollow cavity is formed in the elastic rubber pad, and one side of the hollow cavity is tightly attached to the sponge.
Preferably, the inner wall of the cylinder body is fixedly connected with an annular anti-release blocking edge, and one side of the annular anti-release blocking edge is fixedly connected with a reinforcing rib.
Preferably, the piston rod is fixedly connected with an injection pipe, the injection pipe is communicated with the piston rod, and the injection pipe is provided with a check valve.
Preferably, a plurality of the overflow holes are distributed annularly.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the injection pipe toward the downthehole injection lubricating oil of first water conservancy diversion, prevent lubricating oil backward flow under the effect of check valve, absorb by the sponge under the effect of switching on through first water conservancy diversion hole and second water conservancy diversion hole and save, reduced lubricating oil and added cycle, convenient to use.
2. When the piston rod drives the piston to compress the gas in the gas compression cavity during movement, because the pressure of the gas in the gas compression cavity is continuously increased and is higher than the gas pressure in the hollow cavity, the elastic rubber pad is stressed to generate elastic deformation, then the sponge is extruded, the sponge is extruded with the absorbed lubricating oil after being extruded, partial lubricating oil is led out of the piston from the overflow hole, thereby the automatic lubrication effect is achieved on the piston, the whole lubrication process can be carried out during the working of the gas spring at every time, the piston is not required to be frequently disassembled, and the service life of the gas spring is greatly ensured.
Drawings
Fig. 1 is a schematic front structural view of a piston rod guide reinforced gas spring according to the present invention;
fig. 2 is a schematic side view of the piston rod guiding reinforced gas spring according to the present invention.
In the figure: 1-cylinder body, 2-gas compression cavity, 3-piston, 4-elastic rubber pad, 5-hollow cavity, 6-overflow hole, 7-piston rod, 8-first diversion hole, 9-annular anti-release rib, 10-reinforcing rib, 11-sponge, 12-sealing cushion layer, 13-guide sleeve, 14-injection pipe and 15-check valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a piston rod guiding reinforced gas spring comprises a cylinder body 1, a gas compression cavity 2 is arranged in the cylinder body 1, a piston 3 is connected in the gas compression cavity 2 in a sliding manner, an annular anti-falling blocking edge 9 is fixedly connected to the inner wall of the cylinder body 1, a reinforcing rib 10 is fixedly connected to one side of the annular anti-falling blocking edge 9, the piston 3 is prevented from falling off by the anti-falling blocking edge 9, a sealing cushion layer 12 and a guide sleeve 13 are respectively and fixedly connected in the cylinder body 1, a piston rod 7 is fixedly connected to one side of the piston 3, the piston rod 7 sequentially penetrates through the sealing cushion layer 12 and the guide sleeve 13, a first guide hole 8 is arranged in the piston rod 7, a second guide hole is arranged in the piston 3, an injection pipe 14 is fixedly connected to the piston rod 7, the injection pipe 14 is communicated with the piston rod 7, a check valve 15 is arranged on the, the lubricating oil is prevented from flowing back under the action of the check valve 15, and is absorbed by the sponge 11 for storage under the conduction action of the first diversion hole 8 and the second diversion hole.
The first flow guide hole 8 and the second flow guide hole are communicated, an oil storage mechanism is arranged in the piston 3, the oil storage mechanism comprises an oil storage tank, the oil storage tank is arranged in the piston 3, a sponge 11 is fixedly connected in the oil storage tank, each overflow hole 6 is communicated with the oil storage tank, a plurality of overflow holes 6 are arranged in the piston 3, the plurality of overflow holes 6 are distributed annularly, when the sponge 11 is extruded, absorbed lubricating oil is extruded, part of the lubricating oil is led out of the piston 3 from the overflow holes 6, so that the piston 3 is automatically lubricated, an elastic rubber pad 4 is fixedly connected to one side of the piston 3, a hollow cavity 5 is arranged in the elastic rubber pad 4, one side of the hollow cavity 5 is tightly attached to the sponge 11, when the piston rod 7 drives the piston 3 to compress the gas in the gas compression cavity 2 during movement, because the pressure of the gas in the gas compression cavity 2 is continuously increased to be higher than the gas pressure, the elastic rubber pad 4 begins to generate elastic deformation under the action of pressure, and plays a role in extruding the sponge 11.
In the utility model, when the user uses the device, lubricating oil is injected into the first flow guide hole 8 through the injection pipe 14, the lubricating oil is prevented from flowing back under the action of the check valve 15, and the lubricating oil is absorbed and stored by the sponge 11 under the conduction action of the first flow guide hole 8 and the second flow guide hole, thereby reducing the adding period of the lubricating oil, the use is convenient, when the piston rod 7 drives the piston 3 to compress the gas in the gas compression cavity 2 during the movement, because the pressure intensity of the gas in the gas compression cavity 2 is continuously increased to be higher than the gas pressure intensity in the hollow cavity 5, the elastic rubber pad 4 starts to generate elastic deformation under the pressure, then the sponge 11 is extruded, the absorbed lubricating oil is extruded after the sponge 11 is extruded, partial lubricating oil is led out of the piston 3 from the overflow hole 6, thereby playing the automatic lubrication action on the piston 3, the whole lubricating process can be carried out when the gas spring, the piston 3 does not need to be frequently disassembled, and the service life of the air spring is greatly ensured.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A piston rod guide enhanced gas spring comprises a cylinder body (1) and is characterized in that, a gas compression cavity (2) is arranged in the cylinder body (1), a piston (3) is connected in the gas compression cavity (2) in a sliding way, a sealing cushion layer (12) and a guide sleeve (13) are respectively and fixedly connected in the cylinder body (1), a piston rod (7) is fixedly connected with one side of the piston (3), the piston rod (7) sequentially penetrates through the sealing cushion layer (12) and the guide sleeve (13), a first flow guide hole (8) is formed in the piston rod (7), a second flow guide hole is formed in the piston (3), the first flow guide hole (8) and the second flow guide hole are communicated, an oil storage mechanism is arranged in the piston (3), a plurality of overflow holes (6) are formed in the piston (3), and an elastic rubber pad (4) is fixedly connected to one side of the piston (3).
2. Piston rod guide reinforcement gas spring according to claim 1, characterized in that the oil storage means comprises an oil reservoir, which is opened in the piston (3) and in which a sponge (11) is fixedly connected, each overflow hole (6) communicating with the oil reservoir.
3. Piston rod guide enhancement gas spring according to claim 2, characterized in that a hollow cavity (5) is arranged in the elastic rubber pad (4), and one side of the hollow cavity (5) is arranged to be closely attached to the sponge (11).
4. Piston rod oriented reinforced gas spring according to claim 1, characterized in that an annular anti-disengagement edge (9) is fixedly connected to the inner wall of the cylinder body (1), and a reinforcing rib (10) is fixedly connected to one side of the annular anti-disengagement edge (9).
5. Piston rod oriented reinforced gas spring according to claim 1, characterized in that an injection pipe (14) is fixedly connected to the piston rod (7), the injection pipe (14) being in communication with the piston rod (7), the injection pipe (14) being provided with a check valve (15).
6. A piston rod guided enhanced gas spring as claimed in claim 1 wherein a plurality of said overflow apertures (6) are annularly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921007727.7U CN210637426U (en) | 2019-07-01 | 2019-07-01 | Piston rod guide reinforcing air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921007727.7U CN210637426U (en) | 2019-07-01 | 2019-07-01 | Piston rod guide reinforcing air spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210637426U true CN210637426U (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921007727.7U Active CN210637426U (en) | 2019-07-01 | 2019-07-01 | Piston rod guide reinforcing air spring |
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| Country | Link |
|---|---|
| CN (1) | CN210637426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610636A (en) * | 2021-01-07 | 2021-04-06 | 贵州龙飞气弹簧有限责任公司 | Tension gas spring |
-
2019
- 2019-07-01 CN CN201921007727.7U patent/CN210637426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610636A (en) * | 2021-01-07 | 2021-04-06 | 贵州龙飞气弹簧有限责任公司 | Tension gas spring |
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