CN104632977A - Air pressure damping mechanism and air pressure damping shock absorber with the same - Google Patents
Air pressure damping mechanism and air pressure damping shock absorber with the same Download PDFInfo
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- CN104632977A CN104632977A CN201510052155.4A CN201510052155A CN104632977A CN 104632977 A CN104632977 A CN 104632977A CN 201510052155 A CN201510052155 A CN 201510052155A CN 104632977 A CN104632977 A CN 104632977A
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- chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0281—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/368—Sealings in pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The invention discloses an air pressure damping mechanism and an air pressure damping shock absorber with the same and belongs to the field of shock absorbers. The air pressure damping mechanism comprises a handle tube and a piston rod, the handle tube is filled with gas, a damping piston is arranged at the end, located in the handle tube, of the piston rod, and the handle tube is divided into a cavity A and a cavity B through the damping piston. A floatation sealing ring installed in a sealing ring installation groove is arranged on the damping piston, a first damping hole and a second damping hole for the sealing ring installation groove to be communicated with the cavity A and the cavity B are formed in the damping piston, the hole diameter of the first damping hole is larger than that of the second damping hole, and a gap for the cavity B and the sealing ring installation groove to be communicated is further arranged between the damping piston and the handle tube. According to the air pressure damping mechanism and the air pressure damping shock absorber with the same, the damping force of gas media is improved, and the air pressure damping effect is more stable. By means of the shock absorber with the air pressure damping mechanism, the downward pressing and rebounding performance is better, and the driving comfort is greatly improved.
Description
Technical field
The present invention relates to a kind of damping mechanism and vibration damper, more particularly, relate to a kind of air-pressure damping mechanism and apply the air-pressure damping vibration damper of this mechanism.
Background technique
In order to relax the impact and vibrations that are subject to because road is uneven in the process of moving with decay motorcycle, ensureing smoothness and the travelling comfort of driving, being conducive to improving the working life of motorcycle and the stability of manipulation, motorcycle is provided with vibration damper.Existing motorcycle vibration absorber divides by working medium, can be roughly divided into spring type shock absorber, spring-air damp type vibration damper, hydraulic damping formula vibration damper, air over type shock absorber for front fork and inflated with nitrogen hydraulic damper etc.Existing spring type shock absorber can bear larger load, but there is chattering, easily transmits low-frequency vibration, affects road-ability; The damping effect of existing spring-air damp type vibration damper is also not ideal, and reason is that the damping force of air is limited, makes rear shock absorber for general for the trail bike that speed is not high; Hydraulic damping formula vibration damper is that current motorcycle uses vibration damper the most general, and damping effect is better; The damping effect of air over type shock absorber for front fork is excellent, strong adaptability, is one of structure of motorcycle technology advanced country of world today athletic type car employing; Inflated with nitrogen hydraulic damper, utilizes the advantage of nitrogen damping to compensate for the weakness of damping oil damping, makes damping effect better; But, above-mentioned hydraulic damping formula vibration damper, air over type shock absorber for front fork and inflated with nitrogen hydraulic damper all need to use damping oil and realize damping shock absorption, waste the energy, and easily leakage of oil, once leakage of oil, damping effect can obviously decline, in addition, oil pressure compression is limited, limit the further lifting of damping effect, and oil pressure temperature influence is larger, can not constant voltage be realized, cause shock absorber effect stable not.
For the problems referred to above of oleo-gear, also someone proposes pneumatic bumper.But due to the Structure Designing Problem of existing pneumatic bumper, cause such vibration damper damping poor, generally need to coordinate spring to use.
Summary of the invention
1. invent the technical problem that will solve
The object of the invention is to overcome the deficiency that existing pneumatic bumper damping force is poor, pneumatic bumper resilience is poor, a kind of air-pressure damping mechanism is provided and applies the air-pressure damping vibration damper of this mechanism, adopt technological scheme of the present invention, utilize the damping function of gas medium in the damping hole of damping piston, substantially increase the damping force of gas medium, make pneumatic shock absorbing effect more stable, can be used for playing damping function in the structure such as vibration damper or air spring; Adopt the vibration damper of air-pressure damping mechanism of the present invention, pressing down with resilience better, without the need to using spring, substantially increasing ride comfort; Adopt scrubbed gas power, without damping oil, avoid oil leakage phenomenon, structure is relatively simple, and automatic inflating function can be realized, gas pressure does not limit by high temperature and low temperature, and the front and back damping being particularly useful for bicycle, electric motor car and motorcycle uses, and also can be used for other industries playing cushioning effect and uses.
2. technological scheme
For achieving the above object, technological scheme provided by the invention is:
A kind of air-pressure damping mechanism of the present invention, comprise handle pipe and be located at the piston rod in handle pipe, described handle pipe two ends sealing, gas is filled with in described handle pipe, one end that described piston rod is positioned at handle pipe is provided with damping piston, handle pipe is divided into A chamber and B chamber by described damping piston, and described A chamber is rodless cavity, and B chamber is rod chamber; Described damping piston is provided with seal ring mounting groove, floating seal ring is provided with in described seal ring mounting groove, described damping piston is provided with the first damping hole being communicated with A chamber and seal ring mounting groove and the second damping hole being communicated with B chamber and seal ring mounting groove, the aperture of the first described damping hole is greater than the aperture of the second damping hole, is also provided with the gap being communicated with B chamber and seal ring mounting groove between described damping piston with handle pipe.
Further, described damping piston is also provided with guide ring mounting groove, in described guide ring mounting groove, is provided with guide ring.
Further, the first described damping hole is through guide ring, and described guide ring is located by spring pin.
A kind of air-pressure damping vibration damper applying above-mentioned air-pressure damping mechanism of the present invention, comprise sleeve pipe, handle pipe and piston rod, described handle pipe is located in sleeve pipe, and one end that handle pipe matches with sleeve pipe is provided with handle pipe piston, and described handle pipe piston and casing shoe form the C chamber sealed; Described piston rod is through handle pipe piston, and sleeve bottom is fixed on by hanging tight screw in one end of piston rod, and the other end is provided with the damping piston matched with handle pipe.
Further, also comprise air-pot, described air-pot is fixed on sleeve pipe, and is connected with C chamber.
Further, the connecting path in described air-pot and C chamber is provided with air-pressure damping adjustable lever.
Further, described handle pipe piston adopts with handle pipe and is threaded, and being provided with "O"-ring between handle pipe piston and handle pipe, the outer wall of described handle pipe piston is provided with guide ring and exterior seal ring, and the inwall that described handle pipe piston matches with piston rod is located at inner seal ring.
Further, described damping piston adopts with piston rod and is threaded, and is provided with "O"-ring between damping piston and piston rod, and the end of described piston rod and damping piston adopt swelling to fix.
Further, one end that described handle pipe exposes to sleeve pipe is provided with silently screw, is provided with "O"-ring between described silently screw and handle pipe, described silently screw is also provided with the valve for inflation/deflation.
Further, the mouth of pipe place of described sleeve pipe is provided with the guide ring and seal ring that match with handle pipe outer wall, and the mouth of pipe place of described sleeve pipe is also provided with dust cover.
3. beneficial effect
Adopt technological scheme provided by the invention, compared with existing known technology, there is following remarkable result:
(1) a kind of air-pressure damping mechanism of the present invention, be filled with gas in its handle pipe, one end that piston rod is positioned at handle pipe is provided with damping piston, and handle pipe is divided into A chamber and B chamber by damping piston, and A chamber is rodless cavity, and B chamber is rod chamber, damping piston is provided with seal ring mounting groove, floating seal ring is provided with in seal ring mounting groove, damping piston is provided with the first damping hole being communicated with A chamber and seal ring mounting groove, and be communicated with the second damping hole of B chamber and seal ring mounting groove, the aperture of the first damping hole is greater than the aperture of the second damping hole, the gap being communicated with B chamber and seal ring mounting groove is also provided with between damping piston with handle pipe, utilize the damping function of gas medium in the damping hole of damping piston, substantially increase the damping force of gas medium, and the impact force of A chamber compression is larger, damping is better, make pneumatic shock absorbing effect more stable,
(2) a kind of air-pressure damping mechanism of the present invention, its damping piston is also provided with guide ring mounting groove, guide ring is provided with in guide ring mounting groove, first damping hole is through guide ring, and guide ring is located by spring pin, good supporting and leading role are played to damping piston, protection damping piston and handle pipe not damaged;
(3) a kind of air-pressure damping vibration damper of the present invention, its handle pipe is located in sleeve pipe, and one end that handle pipe matches with sleeve pipe is provided with handle pipe piston, and handle pipe piston and casing shoe form the C chamber sealed; Piston rod is through handle pipe piston, and sleeve bottom is fixed on by hanging tight screw in one end of piston rod, and the other end is provided with the damping piston matched with handle pipe, utilize air-pressure damping mechanism, pressing down with resilience of vibration damper is better, without the need to using spring, substantially increases ride comfort;
(4) a kind of air-pressure damping vibration damper of the present invention, it also comprises air-pot, air-pot is fixed on sleeve pipe, and be connected with C chamber, the connecting path in air-pot and C chamber is provided with air-pressure damping adjustable lever, also form damping function between C chamber and air-pot, further increasing the damping of vibration damper, and utilize air-pressure damping adjustable lever can regulate the damping force of vibration damper; Air-pot can supplement the portion gas revealed in vibration damper automatically simultaneously, and when pressure is higher, the gas in air-pot can enter in handle pipe, realizes the automatic inflating of handle pipe; In addition, between A chamber and B chamber, between C chamber and air-pot, all form air damping effect, and the damping function between C chamber and air-pot can regulate, substantially increase the integral shock-absorbing effect of vibration damper;
(5) a kind of air-pressure damping vibration damper of the present invention, adopt scrubbed gas power, without damping oil, avoid oil leakage phenomenon, structure is relatively simple; And compared with oleo-gear, gas atmosphere does not limit by high temperature and low temperature, can remain pressure constant state in handle pipe, the front and back damping being particularly useful for bicycle, electric motor car and motorcycle etc. uses, and also can be used for other industries having needed cushioning effect uses;
(6) a kind of air-pressure damping vibration damper of the present invention, relative to the vibration damper of the damping oil of use Limited compression, gas can realize unlimited compression, and damping effect is better;
(7) a kind of air-pressure damping vibration damper of the present invention, its pipe piston adopts with handle pipe and is threaded, and being provided with "O"-ring between handle pipe piston and handle pipe, the outer wall of handle pipe piston is provided with guide ring and exterior seal ring, and the inwall that handle pipe piston matches with piston rod is located at inner seal ring; Damping piston adopts with piston rod and is threaded, and is provided with "O"-ring between damping piston and piston rod, and the end of piston rod and damping piston adopt swelling to fix; Structure is simple, convenient processing and manufacture, reduces the manufacture cost of vibration damper.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of air-pressure damping vibration damper of the present invention;
The partial enlargement structural representation of Fig. 2 (a) and (b) air-pressure damping mechanism shown in the D in Fig. 1;
Fig. 3 is the structural representation of the handle pipe piston in the present invention.
Label declaration in schematic diagram:
1, sleeve pipe; 2, handle pipe; 3, handle pipe piston; 31, guide ring; 32, exterior seal ring; 33, inner seal ring; 34, "O"-ring; 4, silently screw; 41, valve; 5, piston rod; 6, damping piston; 61, guide ring; 62, the first damping hole; 63, floating seal ring; 64, the second damping hole; 65, gap; 66, "O"-ring; 7, screw is hung tight; 8, air-pot; 81, valve; 9, air-pressure damping adjustable lever; 10, dust cover; 11, guide ring; 12, seal ring.
Embodiment
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
Shown in composition graphs 2, a kind of air-pressure damping mechanism of the present embodiment, the piston rod 5 comprising handle pipe 2 and be located in handle pipe 2, handle pipe 2 two ends seal, gas is filled with in handle pipe 2, this gas can be air, also can be mixed gas, one end that piston rod 5 is positioned at handle pipe 2 be provided with damping piston 6, and handle pipe 2 is divided into A chamber and B chamber by this damping piston 6, A chamber is rodless cavity, B chamber is rod chamber, and this similar is in air cylinder structure, and difference is, handle pipe 2 is seal space, and damping piston 6 has good air damping effect, particularly, damping piston 6 is provided with seal ring mounting groove, floating seal ring 63 is provided with in seal ring mounting groove, the size of sealing circle mounting groove is suitably greater than floating seal ring 63, floating seal ring 63 is made to have certain floating space, this floating seal ring 63 is "O"-ring, damping piston 6 is provided with the first damping hole 62 being communicated with A chamber and seal ring mounting groove, and be communicated with the second damping hole 64 of B chamber and seal ring mounting groove, the aperture of the first damping hole 62 is greater than the aperture of the second damping hole 64, the gap 65 being communicated with B chamber and seal ring mounting groove is also provided with between damping piston 6 with handle pipe 2, namely the diameter of damping piston 6 near B chamber is less than the diameter of damping piston 6 near A chamber, and the diameter of damping piston 6 near A chamber is slightly less than the internal diameter of handle pipe 2, gap 65 can allow gas to circulate.The specific works principles illustrated of damping piston 6 is as follows:
When handle pipe 2 moves relative to piston rod 5, gas in A chamber and B chamber forms damping function through the first damping hole 62, second damping hole 64 and gap 65, particularly, when A chamber is compressed, under gas pressure effect, floating seal ring 63 floats (as Suo Shi Fig. 2 (a)) to A cavity direction, is opened in gap 65, A intracavity gas enters B chamber by the first damping hole 62 through the second damping hole 64 and gap 65, forms air damping effect; When B chamber is compressed, floating seal ring 63 forms the trend of floating to B cavity direction under gas pressure effect, float in the middle of seal ring mounting groove, (as Suo Shi Fig. 2 (b)), B intracavity gas enters A chamber by gap 65 and the second damping hole 64 through the first damping hole 62, forms air damping effect.Therefore, when handle pipe 2 moves relative to piston rod 5, obvious damping function can be produced, and damping depends on the first damping hole 62, the size in the second damping hole 64 and gap 65, wherein the gas flow flux in gap 65 is greater than the gas flow flux of the first damping hole 62, the gas flow flux of the first damping hole 62 is greater than the gas flow flux of the second damping hole 64, floating seal ring 63 can play gas flow modulation effect, gas is circulated more stable, utilize the damping function of gas medium in the damping hole of damping piston 6, greatly can improve the damping force of gas medium, and the impact force of A chamber compression is larger, damping is better, make the damping effect of gas medium more excellent.
In addition, the damping piston 6 in the present embodiment is also provided with guide ring mounting groove, is provided with guide ring 61 in guide ring mounting groove, guide ring 61 pairs of damping pistons 6 play good supporting and leading role, protection damping piston 6 and handle pipe 2 not damaged.First damping hole 62 is through guide ring 61, and guide ring 61 is located by spring pin, avoids guide ring 61 to move dislocation, blocks the first damping hole 62.
Shown in composition graphs 1, a kind of air-pressure damping vibration damper applying above-mentioned air-pressure damping mechanism of the present embodiment, comprise sleeve pipe 1, handle pipe 2 and piston rod 5, the mounting hole for connecting wheel shaft is provided with bottom sleeve pipe 1, top is hatch frame, handle pipe 2 is located in sleeve pipe 1, the outer diameter of handle pipe 2 is slightly less than the inner diameter of sleeve pipe 1, make handle pipe 2 and sleeve pipe 1 be in cunning and join state, not easily produce and rock, and one end that handle pipe 2 matches with sleeve pipe 1 is provided with handle pipe piston 3, handle pipe piston 3 and sleeve pipe 1 bottom form the C chamber sealed, and C is filled with gas in chamber; Piston rod 5 is through handle pipe piston 3, and be tightly connected between the two, one end of piston rod 5 is fixed on bottom sleeve pipe 1 by hanging tight screw 7, and be provided with seal ring seal, the other end is provided with the damping piston 6 matched with handle pipe 2, and this damping piston 6 has the damping hole structure of above-mentioned air-pressure damping mechanism.When handle pipe 2 presses down, A chamber and C cavity space reduce, gas compression; B cavity space increases, gas pressure reduces, now floating seal ring 63 floats, namely float to A cavity direction, opened in gap 65, A chamber gas enters B chamber by the first damping hole 62 through the second damping hole 64 and gap 65 two-way, produces and presses down damping force, and the impact strength that handle pipe 2 presses down is larger, damping is better; When 2 resilience of handle pipe, B cavity space reduces, gas compression, and now floating seal ring 63 forms the trend floated downward under gas pressure effect, namely float to B cavity direction, float in the middle of seal ring mounting groove, force B chamber gas to enter A chamber by gap 65 and the second damping hole 64 through the first damping hole 62, produce resilience damping force, in the process, because the second damping hole 64 aperture is less, therefore, gas circulates primarily of gap 65.
A kind of air-pressure damping vibration damper of the present embodiment, utilizes A chamber, B chamber and three, C chamber cavity body structure, wherein any one cavity generation Leakage Gas, can support shank pipe 2 resilience, less to vibration damper integral shock-absorbing influential effect; After adopting air-pressure damping mechanism, handle pipe 2 presses down with resilience better, without the need to using spring, substantially increases the comfort level of riding of motorcycle; Adopt scrubbed gas power, without damping oil, avoid oil leakage phenomenon.In addition, a kind of air-pressure damping vibration damper of the present embodiment, also comprise air-pot 8, air-pot 8 is fixed on sleeve pipe 1, and is connected with C chamber, air-pot 8 is provided with air-pressure damping adjustable lever 9 with the connecting path in C chamber, air-pressure damping adjustable lever 9 is provided with seal ring, and its middle-end is circumference eccentric grove, by the rotation of adjustable pressure damping adjustable lever 9, adjustable gas passage gaps size, and then the damping force changing gas circulation; Also form damping function between C chamber and air-pot 8, further increasing the damping of vibration damper, and air-pressure damping adjustable lever 9 can be utilized can to regulate the damping force of vibration damper, use convenient; Air-pot 8 can supplement the portion gas revealed in vibration damper automatically simultaneously, and when pressure is higher, the gas in air-pot 8 can enter in handle pipe 2, realizes the automatic inflating of handle pipe 2.The conveniently installation of air-pot 8, air-pot 8 and sleeve pipe 1 adopt flange method to be tightly connected, and facilitate the manufacturing of vibration damper.Air-pot 8 is also provided with the valve 81 for gas charge and discharge, supplementing of convenient leakage air pressure.So far, the air-pressure damping vibration damper of the present embodiment, all forms air damping effect between A chamber and B chamber, between C chamber and air-pot 8, and the damping function between C chamber and air-pot 8 can regulate, and substantially increases the integral shock-absorbing effect of vibration damper.
As shown in Figure 3, handle pipe piston 3 in the present embodiment adopts with handle pipe 2 and is threaded, and be provided with "O"-ring 34 between handle pipe piston 3 and handle pipe 2, the outer wall of handle pipe piston 3 is provided with guide ring 31 and exterior seal ring 32, the inwall that handle pipe piston 3 matches with piston rod 5 is located at inner seal ring 33, in the present embodiment, the exterior seal ring 32 on handle pipe piston 3 is provided with two, and sealing effect is better.Above-mentioned exterior seal ring 32 and inner seal ring 33 are " O " RunddichtringO.One end that handle pipe 2 exposes to sleeve pipe 1 is provided with silently screw 4, is silently provided with "O"-ring between screw 4 and handle pipe 2, silently screw 4 is also provided with the valve 41 for inflation/deflation.As shown in Figure 2, damping piston 6 adopts with piston rod 5 and is threaded, and is provided with "O"-ring 66 between damping piston 6 and piston rod 5, and end and the damping piston 6 of piston rod 5 adopt swelling to fix, and damping piston 6 and piston rod 5 are combined as a whole.Handle pipe piston 3 and damping piston 6 adopt above-mentioned linkage structure, and structure is more simple, manufacturing is convenient, reduces the manufacture cost of vibration damper.In addition, the mouth of pipe place of sleeve pipe 1 is provided with the guide ring 11 and seal ring 12 that match with handle pipe 2 outer wall, and the truncation surface of sealing circle 12 is " L " shape, snaps in the corresponding draw-in groove at sleeve pipe 1 mouth of pipe place, plays good sealing leading role; The mouth of pipe place of sleeve pipe 1 is also provided with dust cover 10, and avoiding dust to enter in sleeve pipe 1 affects damping effect and working life.
A kind of air-pressure damping vibration damper of the present embodiment, adopts scrubbed gas power, without damping oil, avoids oil leakage phenomenon, and inner without spring, resilience is also assisted without the need to spring in outside, and structure is relatively simpler; And gas atmosphere does not limit by high temperature and low temperature, the air pressure in handle pipe 2 can remain pressure constant state, and the front and back damping being particularly useful for bicycle, electric motor car and motorcycle etc. uses, and also can be used for other industries having needed cushioning effect uses; Certainly, the air-pressure damping mechanism in the present embodiment is not limited in vibration damper and uses, and also may be used for realizing air damping effect in the structures such as air spring.
A kind of air-pressure damping mechanism of the present invention and apply the air-pressure damping vibration damper of this mechanism, utilizes the damping function of gas medium in the damping hole of damping piston, substantially increases the damping force of gas medium, make pneumatic shock absorbing effect more stable; Adopt the vibration damper of air-pressure damping mechanism of the present invention, pressing down with resilience better, without the need to using spring, substantially increasing ride comfort; Adopt scrubbed gas power, without damping oil, avoid oil leakage phenomenon, structure is relatively simple, and automatic inflating function can be realized, gas pressure does not limit by high temperature and low temperature, and the front and back damping being particularly useful for bicycle, electric motor car and motorcycle etc. uses, and also can be used for other industries having needed cushioning effect and uses.
Below be schematically described the present invention and mode of execution thereof, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, without creatively designing the mode of structure similar to this technological scheme and embodiment, all should protection scope of the present invention be belonged to.
Claims (10)
1. an air-pressure damping mechanism, comprise handle pipe (2) and be located at the piston rod (5) in handle pipe (2), described handle pipe (2) two ends sealing, it is characterized in that: in described handle pipe (2), be filled with gas, one end that described piston rod (5) is positioned at handle pipe (2) is provided with damping piston (6), handle pipe (2) is divided into A chamber and B chamber by described damping piston (6), described A chamber is rodless cavity, and B chamber is rod chamber; Described damping piston (6) is provided with seal ring mounting groove, floating seal ring (63) is provided with in described seal ring mounting groove, described damping piston (6) is provided with the first damping hole (62) being communicated with A chamber and seal ring mounting groove and the second damping hole (64) being communicated with B chamber and seal ring mounting groove, the aperture of described the first damping hole (62) is greater than the aperture of the second damping hole (64), described damping piston (6) be also provided with the gap (65) being communicated with B chamber and seal ring mounting groove between handle pipe (2).
2. a kind of air-pressure damping mechanism according to claim 1, is characterized in that: described damping piston (6) is also provided with guide ring mounting groove, is provided with guide ring (61) in described guide ring mounting groove.
3. a kind of air-pressure damping mechanism according to claim 2, is characterized in that: described the first damping hole (62) is through guide ring (61), and described guide ring (61) is located by spring pin.
4. the air-pressure damping vibration damper of the air-pressure damping mechanism of application rights requirement described in 1 ~ 3 any one, comprise sleeve pipe (1), handle pipe (2) and piston rod (5), it is characterized in that: described handle pipe (2) is located in sleeve pipe (1), and one end that handle pipe (2) matches with sleeve pipe (1) is provided with handle pipe piston (3), described handle pipe piston (3) and sleeve pipe (1) bottom form the C chamber sealed; Described piston rod (5) is through handle pipe piston (3), and sleeve pipe (1) bottom is fixed on by hanging tight screw (7) in one end of piston rod (5), the other end is provided with the damping piston (6) matched with handle pipe (2).
5. a kind of air-pressure damping vibration damper according to claim 4, is characterized in that: also comprise air-pot (8), described air-pot (8) is fixed on sleeve pipe (1), and is connected with C chamber.
6. a kind of air-pressure damping vibration damper according to claim 5, is characterized in that: described air-pot (8) is provided with air-pressure damping adjustable lever (9) with the connecting path in C chamber.
7. a kind of air-pressure damping vibration damper according to claim 4 or 5 or 6, it is characterized in that: described handle pipe piston (3) adopts with handle pipe (2) and is threaded, and be provided with "O"-ring (34) between handle pipe piston (3) and handle pipe (2), the outer wall of described handle pipe piston (3) is provided with guide ring (31) and exterior seal ring (32), and the inwall that described handle pipe piston (3) matches with piston rod (5) is located at inner seal ring (33).
8. a kind of air-pressure damping vibration damper according to claim 7, it is characterized in that: described damping piston (6) adopts with piston rod (5) and is threaded, and being provided with "O"-ring (66) between damping piston (6) and piston rod (5), end and the damping piston (6) of described piston rod (5) adopt swelling to fix.
9. a kind of air-pressure damping vibration damper according to claim 8, it is characterized in that: one end that described handle pipe (2) exposes to sleeve pipe (1) is provided with silently screw (4), be provided with "O"-ring between described silently screw (4) and handle pipe (2), described silently screw (4) be also provided with the valve (41) for inflation/deflation.
10. a kind of air-pressure damping vibration damper according to claim 9, it is characterized in that: the mouth of pipe place of described sleeve pipe (1) is provided with the guide ring (11) and seal ring (12) that match with handle pipe (2) outer wall, and the mouth of pipe place of described sleeve pipe (1) is also provided with dust cover (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052155.4A CN104632977B (en) | 2015-01-30 | 2015-01-30 | A kind of air-pressure damping damper of the mechanism of air-pressure damping mechanism and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052155.4A CN104632977B (en) | 2015-01-30 | 2015-01-30 | A kind of air-pressure damping damper of the mechanism of air-pressure damping mechanism and application |
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| CN104632977A true CN104632977A (en) | 2015-05-20 |
| CN104632977B CN104632977B (en) | 2017-08-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673757A (en) * | 2016-04-11 | 2016-06-15 | 常州气弹簧有限公司 | Gas spring and noise reduction piston assembly thereof |
| CN108488293A (en) * | 2018-04-26 | 2018-09-04 | 常州市达文电动车辆配件厂 | A kind of damper damping mechanism and apply its hydraulic pressure-air pressure combination of dampings damper |
| CN109757885A (en) * | 2019-02-11 | 2019-05-17 | 肖蒙 | A kind of intelligent drawer and the computer desk with the drawer |
| EP4306410A1 (en) | 2022-07-12 | 2024-01-17 | Airbus Helicopters | Landing gear provided with a shock-absorbing system |
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| CN204437156U (en) * | 2015-01-30 | 2015-07-01 | 常州市达文电动车辆配件厂 | A kind of air-pressure damping mechanism and apply the air-pressure damping vibration damper of this mechanism |
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| US4257580A (en) * | 1978-08-29 | 1981-03-24 | Stabilus Gmbh | Pneumatic spring |
| US4595182A (en) * | 1983-01-19 | 1986-06-17 | Stabilus Gmbh | Construction assembly |
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| JP2012177465A (en) * | 2011-01-31 | 2012-09-13 | Showa Corp | Hydraulic shock absorber |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673757A (en) * | 2016-04-11 | 2016-06-15 | 常州气弹簧有限公司 | Gas spring and noise reduction piston assembly thereof |
| CN108488293A (en) * | 2018-04-26 | 2018-09-04 | 常州市达文电动车辆配件厂 | A kind of damper damping mechanism and apply its hydraulic pressure-air pressure combination of dampings damper |
| CN109757885A (en) * | 2019-02-11 | 2019-05-17 | 肖蒙 | A kind of intelligent drawer and the computer desk with the drawer |
| EP4306410A1 (en) | 2022-07-12 | 2024-01-17 | Airbus Helicopters | Landing gear provided with a shock-absorbing system |
| FR3137893A1 (en) | 2022-07-12 | 2024-01-19 | Airbus Helicopters | Lander equipped with a shock absorber system |
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| Publication number | Publication date |
|---|---|
| CN104632977B (en) | 2017-08-15 |
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