CN209278376U - From buffering air-leg - Google Patents
From buffering air-leg Download PDFInfo
- Publication number
- CN209278376U CN209278376U CN201822050146.3U CN201822050146U CN209278376U CN 209278376 U CN209278376 U CN 209278376U CN 201822050146 U CN201822050146 U CN 201822050146U CN 209278376 U CN209278376 U CN 209278376U
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- pressure cylinder
- leg
- piston rod
- connector
- air
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Abstract
The utility model relates to air-leg technical fields, especially a kind of buffering air-leg certainly, include the internal pressure cylinder for being filled with inert gas, pass through seal cap sealing at the top of pressure cylinder, inside pressure cylinder, guide sleeve is arranged below sealing cover, be slidably connected piston rod in the sealing cover and guide sleeve, one end that the piston rod protrudes into inside pressure cylinder is connected with piston, the other end of piston rod is equipped with connector one, the bottom of the pressure cylinder is fixedly connected with connector two, the pressure cylinder outer wall is equipped with bracket, hydraulic bjuffer is connected on the bracket, it is equipped with and is ramed at the top of the hydraulic bjuffer, the piston rod is fixed with limited block close to one end of connector one, by the way that hydraulic bjuffer is arranged, the accident that can be subject to air-leg has overloaded preferable buffer function, prevent piston rod from colliding the inner wall and end cap of pressure cylinder, or cause piston The torsional deformation of bar is arranged resilient snubber at pressure cylinder both ends, double shield can be played, to ensure quality and the service life of air-leg.
Description
Technical field
It is especially a kind of from buffering air-leg the utility model relates to air-leg technical field.
Background technique
Air-leg is a kind of industry accessories that can play the functions such as support, buffering, braking, height adjustment and angular adjustment,
Generally comprise following sections: pressure cylinder, piston rod, piston, sealing ring, guide sleeve, filler.Principle is in closed pressure
It is filled with inert gas or gas mixture in cylinder, makes the intracorporal pressure of chamber higher than several times to tens times of atmospheric pressure, utilizes work
The cross-sectional area of stopper rod realizes the movement of piston rod less than the cross-sectional area of piston to the pressure difference generated.It is existing pneumatic
Bar is widely used in the unlatching of automobile engine cover, back door, draught machine, aviation shelf, printing machinery, fitness equipment, weaving, electricity
Brain furniture, woodworking machinery, food processor and mechanical equipment of modern automation etc., due to the complication of service load, to gas
The requirement of lever is also more increased, when there are uncertain overload situations in air-leg, piston rod discontinuity equalization, easily to pressure cylinder
Impact is generated at inner wall or cylinder cap, is caused casing wall, cylinder cap damage, piston rod torsional deformation is also easily caused, to seriously affect
The quality of air-leg and service life.
Utility model content
In order to overcome the shortcomings of existing air-leg buffering, the utility model provides a kind of from buffering air-leg.
The technical scheme adopted by the utility model to solve the technical problem is as follows: it is a kind of from buffering air-leg, include inside
Pressure cylinder filled with inert gas, the top of the pressure cylinder is by seal cap sealing, inside pressure cylinder, under sealing cover
Square set is equipped with guide sleeve, slidably connects piston rod in the through-hole of the sealing cover and guide sleeve, the piston rod protrudes into pressure
The threaded one end of cylinder interior is connected with piston, and the other end of piston rod is equipped with connector one, and the bottom of the pressure cylinder is fixedly connected
There is connector two, the pressure cylinder bottom outer wall is welded with bracket, and hydraulic bjuffer is threaded on the bracket, described hydraulic
Buffer top is equipped with and is ramed, and the piston rod is welded with limited block close to one end of connector one.
Another embodiment according to the present utility model further comprises that described ramed is equipped with noise reduction cap, noise reduction cap
Collision can be buffered, and prevents the generation of noise.
Another embodiment according to the present utility model further comprises that the limited block lower surface bonds have glass fibers
Acoustical cotton is tieed up, can further buffer collision, and prevent the generation of noise.
Another embodiment according to the present utility model further comprises, at the omoplate face of the guide sleeve and pressure cylinder
It is fixed with resilient snubber at bottom interior wall, can play the role of buffering double shield, to ensure quality and the longevity of air-leg
Life.
Another embodiment according to the present utility model further comprises that the resilient snubber is the bullet of circumference uniform distribution
Spring, spring are standard component, and materials are convenient, good buffer effect, and are conveniently replaceable.
Another embodiment according to the present utility model further comprises that the resilient snubber end is fixed with circle
Rubber pad can prevent from damaging piston in buffering collision process.
The utility model has the beneficial effects that by pressure cylinder side be arranged hydraulic bjuffer, can to air-leg by
The accident arrived has overloaded preferable buffer function, prevents piston rod from colliding the inner wall and end cap of pressure cylinder, or cause piston rod
Torsional deformation can play the role of double shield, to protect furthermore by the way that resilient snubber is arranged in pressure cylinder upper and lower ends
Hinder quality and the service life of air-leg.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
1, pressure cylinder in figure, 2, sealing cover, 3, guide sleeve, 4, piston rod, 5, piston, 6, connector one, 7, connector two, 8, branch
Frame, 9, hydraulic bjuffer, 10, ramed, 11, limited block, 12, noise reduction cap, 13, glass fibre acoustical cotton, 14, elastic buffer
Part, 15, rubber pad.
Specific embodiment
It is a kind of from buffering air-leg if Fig. 1 is the structural schematic diagram of the utility model, inert gas is filled with comprising internal
Pressure cylinder 1, the top of the pressure cylinder 1 sealed by sealing cover 2, and inside pressure cylinder 1, the lower section of sealing cover 2 is arranged with
Piston rod 4 is slidably connected in the through-hole of guide sleeve 3, the sealing cover 2 and guide sleeve 3, the piston rod 4 protrudes into pressure cylinder 1
Internal threaded one end is connected with piston 5, and the other end of piston rod 4 is equipped with connector 1, and the bottom of the pressure cylinder 1 is fixed to be connected
It is connected to connector 27,1 bottom outer wall of pressure cylinder is welded with bracket 8, is threaded with hydraulic bjuffer 9 on the bracket 8,
9 top of hydraulic bjuffer is equipped with and is ramed 10, and the piston rod 4 is welded with limited block close to one end of connector 1
11。
Specific cushioning principle is as follows: when air-leg is by unexpected overload, 4 sharp downward movement of piston rod, when piston rod 4
When also not in contact with the bottom interior wall for arriving pressure cylinder 1, the limited block 11 on piston rod 4 can first knock being ramed for hydraulic bjuffer 9
10, hydraulic bjuffer 9 can move downward flexible buffer effect to piston rod 4, prevent it from damaging the casing wall and cylinder of pressure cylinder 1
Lid, hydraulic bjuffer 9 are that can be selected in the prior art according to the range of stroke and overload protection with type selecting and purchase
It selects.
Another embodiment according to the present utility model further comprises, described to be ramed 10 equipped with noise reduction cap 12, institute
It states noise reduction cap 12 to be made of quieter material, can be coated on and be ramed on 10 with glass fibre acoustical cotton, it is solid that glue can be used
Surely cement, when limited block 11 knock hydraulic bjuffer 9 ramed 10 when, noise reduction cap 12 can buffer collision, and prevent noise
Generation.
Another embodiment according to the present utility model further comprises that 11 lower surface bonds of limited block have glass
Fiber acoustical cotton 13, when limited block 11 knock hydraulic bjuffer 9 ramed 10 when, can further buffer collision, and prevent
The generation of noise.
Another embodiment according to the present utility model further comprises, at the omoplate face of the guide sleeve 3 and pressure cylinder
It is fixed with resilient snubber 14 at 1 bottom interior wall, can play the role of buffering double shield, when piston rod 4 is by accidental shock,
Prevent it from colliding 1 roof of pressure cylinder and bottom interior wall, to ensure quality and the service life of air-leg.
Another embodiment according to the present utility model further comprises that the resilient snubber 14 is circumference uniform distribution
Spring, spring can be fixed by way of bonding, and metal quick setting cement (JL-498, the poly- power adhesive article of Dongguan City can be used
Co., Ltd) realize that rapid link is fixed, spring is standard component, and materials are convenient, good buffer effect, and are conveniently replaceable.
Another embodiment according to the present utility model further comprises that 14 end of resilient snubber is fixed with circle
Shape rubber pad 15, rubber pad 15 can also be fixed by way of bonding, can prevent from damaging piston 5 in buffering collision process.
It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art
Understand, in the case where not departing from spirit and scope as defined in the appended claims, many modifications can be made, change or wait
Effect, but all will fall within the protection scope of the utility model.
Claims (6)
1. it is a kind of from buffering air-leg, include the internal pressure cylinder (1) for being filled with inert gas, the top of the pressure cylinder (1)
It is sealed by sealing cover (2), is arranged with guide sleeve (3), the sealing cover below pressure cylinder (1) inside, sealing cover (2)
(2) and in the through-hole of guide sleeve (3) it slidably connects piston rod (4), the piston rod (4) protrudes into internal one of pressure cylinder (1)
End is threaded with piston (5), and the other end of piston rod (4) is equipped with connector one (6), and the bottom of the pressure cylinder (1) is fixed to be connected
It is connected to connector two (7), characterized in that pressure cylinder (1) bottom outer wall is welded with bracket (8), and screw thread connects on the bracket (8)
It is connected to hydraulic bjuffer (9), hydraulic bjuffer (9) top is equipped with and is ramed (10), and the piston rod (4) is close to connector one
(6) one end is welded with limited block (11).
2. according to claim 1 from buffering air-leg, characterized in that described ramed (10) are equipped with noise reduction cap
(12).
3. according to claim 1 from buffering air-leg, characterized in that limited block (11) lower surface bonds have glass
Fiber acoustical cotton (13).
4. according to claim 1 from buffering air-leg, characterized in that at the omoplate face of the guide sleeve (3) and pressure
Resilient snubber (14) are fixed at cylinder (1) bottom interior wall.
5. according to claim 4 from buffering air-leg, characterized in that the resilient snubber (14) is circumference uniform distribution
Spring.
6. according to claim 5 from buffering air-leg, characterized in that resilient snubber (14) end is fixed with circle
Shape rubber pad (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822050146.3U CN209278376U (en) | 2018-12-07 | 2018-12-07 | From buffering air-leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822050146.3U CN209278376U (en) | 2018-12-07 | 2018-12-07 | From buffering air-leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278376U true CN209278376U (en) | 2019-08-20 |
Family
ID=67610056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822050146.3U Active CN209278376U (en) | 2018-12-07 | 2018-12-07 | From buffering air-leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124081A (en) * | 2021-04-25 | 2021-07-16 | 深圳市大通精密五金有限公司 | Novel nitrogen spring |
-
2018
- 2018-12-07 CN CN201822050146.3U patent/CN209278376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124081A (en) * | 2021-04-25 | 2021-07-16 | 深圳市大通精密五金有限公司 | Novel nitrogen spring |
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