CN2331789Y

CN2331789Y - Multi-air-cushion combined buffer shock-absorber

Info

Publication number: CN2331789Y
Application number: CN98223479U
Authority: CN
Inventors: 黄显忠
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-03-16
Filing date: 1998-03-16
Publication date: 1999-08-04
Anticipated expiration: 2008-03-16
Also published as: AU2824699A; WO1999047831A1

Abstract

The utility model provides a multi-air-cushion combined buffer shock-absorber. The elastic buffer element of the shock-absorber is composed of at least two identical or different independent air cushion combined groups, the air-cushion has different elastic compression values, and the elastic element is arranged in the closed type buffer shock-absorber; a tube element is provided with an air valve or is matched with a pressure adjusting device to have the effect of increasing and reducing the pressure in the air cushion and provide different buffer elastic compression. The air cushion can be adjusted according to needs, can not be influenced by the climate and the temperature, can effectively maintain the elastic compression value, and can avoid the elastic fatigue, noise, etc., from happening.

Description

Many air cushions combined type buffering and shock preventing device

The utility model relates to the vibration damper of a kind of vibration damper, particularly a kind of using gases.

The buffering and shock preventing device extensively applies to vehicle or other various sports equipments, and the impact that its buffering elasticity of mat alleviates external force reduces the influence of impacting parts or human body, thereby prolongs parts working life and avoid the human injury.Tradition buffering and shock preventing device is formed by inside and outside pipe fitting cover group, but elastic buffer components such as the indoor inserting spring of the groove of Xing Chenging, hydraulic oil or rubber betwixt, again inside and outside pipe fitting is held in the mouth respectively and be located at predetermined stressed place, masterpiece time spent outside, cooperate the effect of elastic element to make inside and outside pipe fitting produce relative expanding-contracting action, in its perseveration process, can gradually external force be offset, thereby reduce the impact that the external force effect may cause, reach the elastic buffer effect, but there is following disappearance in the elastic element of traditional buffering and shock preventing device:

1, hydraulic type buffering and shock preventing device mainly is that mat hydraulic oil advances, the oil return action realizes buffering and shock-proof effect, and complex structure, and after using a period of time has the leakage of oil problem and influences its shock-proof effect.

2, spring buffering and shock preventing device mainly is to utilize the elastic telescopic effect of spring to eliminate external impacts, and it is simple in structure, but because of spring easily produces noise when the expanding-contracting action, and easy flexible fatigue problem.

3, rubber type buffering and shock preventing device is that the elasticity of mat rubber element reaches shock-proof effect, but with rubber material characteristic, it is rotten to be easy to temperature influence, and its shock-proof effect is degenerated.

Except that the problems referred to above, be during its assembly and set constant elasticity coefficient, can't adapt to different demand adjustment, obtain different elastic buffer effects as need, have to change different size shock absorber or its inner elastic element, cause with inconvenience.

The purpose of this utility model is that a kind of many air cushions combined type buffering and shock preventing device will be provided, and it can be looked the practical use demand fully and adjust the buffering elastic pressure arbitrarily, and its characteristic is not subjected to weather, temperature effect, and the elastic fatigue problem can not take place.

Model utility is achieved in that at least two independent air cushions identical or inequality that have different elastic pressure values at inside and outside pipe fitting combining, constitutes the elastic buffer component of this buffering and shock preventing device.

Elastic buffer component places the inner closed buffering and shock preventing device structure that constitutes, and establishes the air valve that can adjust shock absorber internal pressure chamber pressure in its outer tube member appropriate location; Closed buffering and shock preventing device can establish one have take out, the pressure regulation device of aeration function, and the mat tracheae links and constitutes loop.

The utility model mat air cushion can be filled the shock absorber that different pressures is reached different elastic pressure values, and further on pipe fitting, establish air valve or cooperate pressure regulation device to form that air cushion adds, effect of easing stress provides different buffering elastic pressures, can adjust arbitrarily on demand and have adaptability, air cushion is not subjected to weather, temperature effect, and can effectively keep the elastic pressure value, eliminated defectives such as the elastic fatigue of traditional shock absorber and noise.

The concrete structure of model utility is provided by following examples and accompanying drawing thereof.

Fig. 1 is many air cushions of the utility model combined type buffering and shock preventing device structural representation ().

Fig. 2 is many air cushions of the utility model combined type buffering and shock preventing device structural representation (two).

But Fig. 3 is the structural representation of the utility model additional pressure regulating device.

But Fig. 4 is the use schematic representation of the utility model additional pressure regulating device.

With reference to Fig. 1,2, closed buffering and shock preventing device, mainly form the shock absorber matrix by the plug sleeve 21 and a big envelope 11 of an outer tube member 10, one interior pipe fitting 20, a tool flexible glue pad, earlier the plug sleeve 21 of interior pipe fitting 20 is inserted the lock knot respectively from big envelope 11 both sides, again big envelope 11 and outer tube member 10 lock knots are finished the assembly of shock absorber matrix, and when big envelope 11 and outer tube member 10 lock knots, insert suitable elastic buffer component in the outer tube member 10 inner pressure chambers 12 that form earlier, with its buffering interface, and then can reach shock-proof effect as 20,10 of inside and outside pipe fittings.

Exposed buffering and shock preventing device is to be formed by inside and outside pipe fitting 20,10 cover groups, with closed different be that its inside and outside pipe fitting 20,10 ends respectively are provided with a

baffle ring

22,16, can be nested with

elastic buffer component

22,16 of two baffle rings, to reach buffering and shock-proof effect.

Wherein elastic buffer component is by two or more independent air cushions 13 identical or inequality, 14 also organize formation,

air cushion

13,14 can be middle perforate pattern, ring-type pattern or be the airtight pattern in plane etc., at air cushion 13, can do the back under pressure of different amplitudes in 14 and obtain different elastic pressure values, and because of air cushion 13, the gas of 14 inner fillings can not be subjected to weather, temperature effect, and can keep the stable of its elastic pressure, in can cooperating in view of the above,

outer tube member

20,10 combine different flexible buffering and shock preventing devices, for different purposes demands, and do not have the generation of elastic fatigue problem.

At closed buffering and shock preventing device, establish an air valve 15 in the outer tube member appropriate location, air valve 15 can cooperate air extractor (figure does not show) that shock absorber inner pressure chamber 12 is bled to adjust its internal pressure, make pressure chamber's 12 formation effect of easing stress and cause the subsides of its

air cushion

13,14 more tight to degree, make its elastic pressure value obtain to improve according to this, make it more to be applicable to bigger external force effect kenel.

With reference to Fig. 3,4, adjust at closed buffering and shock preventing device pressure inside, can take out at the additional tool of buffering and shock preventing device, the pressure regulation device of aeration function, to adjust the elastic pressure value, this device can be by a transparent pipe fitting 30, one valve pocket 32 and valve member 34 cover groups form, the appropriate location of pipe fitting 30 closed ends is established a pore 31 and is provided with tracheae and shock absorber binding, valve member 34 is established a piston portion 35 and is embedded a glue ring 36 and pipe fitting 30 inwalls are air-tight fit inserting pipe fitting 30 1 ends, valve pocket 32 centers at involution pipe fitting 30 openings are prefabricated into screw 33, can change the displacement relation of piston portion 35 and pipe fitting 30 with the screwing togather of screw rod 37 that cooperates valve member 34, form in view of the above bleeding of shock absorber or adding of aeration, decompression, and can scale be set on pipe fitting 30 surfaces and take out for conveniently reading it, the force value of aeration.

The cooperation of buffering and shock preventing device and pressure regulation device is, mat one tracheae 40 links shock absorbers and pressure regulation device forms a loop, utilizes valve member 35 screw rods 38 in the precession of valve pocket 33 or screw out to change the position of its piston portion 36 and pipe fitting 30; When valve member 35 outwards screws out, outside thereupon formation of piston portion 36 bleeds, and air in the shock absorber pressure chamber 12 extracted out formed the air cushion effect of easing stress, causes the subsides each other of

inner air cushion

13,14 tightr to degree, its elastic pressure value is increased, and then applicable to bigger external force action; When valve member 35 inwardly screws in, piston portion 36 inwardly compresses and the formation aeration, gas is squeezed into formed air cushion pressurization effect in the pressure chamber 12 of shock absorber, cause the subsides of

inner air cushion

13,14 to support more closely and reduce its elastic pressure value, applicable to less external force action; The cooperation of mat pressure regulation device makes above-mentioned buffering and shock preventing device carry out the adjustment of its elastic pressure value by different purposes demands.

Claims

1, a kind of many air cushions combined type buffering and shock preventing device, form matrix by inside and outside pipe fitting cover, constitute buffering interface between inside and outside pipe fitting can being nested with suitable elastic buffer component between inside and outside pipe fitting, it is characterized in that: inside and outside pipe fitting combining has at least two independent air cushions identical or inequality of different elastic pressure values, constitutes the elastic buffer component of this buffering and shock preventing device.

2, buffering and shock preventing device according to claim 1 is characterized in that elastic buffer component places the inner closed buffering and shock preventing device structure that constitutes, and establishes the air valve that can adjust shock absorber internal pressure chamber pressure in its outer tube member appropriate location.

3, buffering and shock preventing device according to claim 1, it is characterized in that closed buffering and shock preventing device can establish one have take out, the pressure regulation device of aeration function, and the mat tracheae links and constitutes loop.

4, buffering and shock preventing device according to claim 3, it is characterized in that pressure regulation device is formed by a pipe fitting, a valve pocket and valve member cover group, the prefabricated screw in valve pocket center, valve member is established spiro rod section and screwhole spiro bonding, valve pocket involution pipe fitting opening, pipe fitting closed end appropriate location is established a pore and is linked with tracheae and shock absorber, and valve member is established a piston portion and is embedded a glue ring and pipe fitting inner wall is air-tight fit inserting pipe fitting one end.

5, according to claim 3 or 4 described buffering and shock preventing devices, it is characterized in that the pipe fitting of pressure regulation device can be transparent pipe fitting, and be provided with scale on its surface.