CN205446531U - Cartridge shock absorber - Google Patents
Cartridge shock absorber Download PDFInfo
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- CN205446531U CN205446531U CN201521130276.8U CN201521130276U CN205446531U CN 205446531 U CN205446531 U CN 205446531U CN 201521130276 U CN201521130276 U CN 201521130276U CN 205446531 U CN205446531 U CN 205446531U
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Abstract
The utility model provides a cartridge shock absorber, include: the working cylinder, the piston, the movably sealed setting of piston is in the working cylinder to the elasticity colloid is divided into first room and second room with the working cylinder, and all being packed to first room and second room, storage jar, working cylinder setting are in storing the jar, and flexible colloid is partly filled by sealed between working cylinder and the storage jar in storage jar both ends, stores the part of the flexible colloid of packing of jar and the second room of working cylinder and is linked together, separation jar, separation jar are located between working cylinder and the storage jar, fill flexible colloid between separation jar and the working cylinder, and the one end of separation jar communicates with the first room of working cylinder, and the other end of separation jar communicates with the part of the flexible colloid of packing of storing the jar, the piston rod, the one end of piston rod links to each other with the piston, and the other end of piston rod stretches out the storage jar, and the piston rod can drive the piston and remove for the working cylinder along the axis direction of working cylinder in the working cylinder.
Description
Technical field
This utility model relates to cylinder type damper, particularly relates to be applicable to the cylinder type damper of the suspension arrangement of vehicle.
Background technology
Vibroshock is widely used on various vehicle, such as the suspension arrangement of Tank and Armoured Vehicle, itself it suffices that put out that the ability of shaking is strong, perfect heat-dissipating, working stability and the durable requirement such as reliably.
Such as, Chinese utility model patent the 202371072nd discloses one " telescopic shock absorber ".Cylinder type damper is also widely used for a kind of vibroshock on various vehicle, for improving vehicle ride comfort in the process of moving.The feature of cylinder type damper is that quality and overall dimensions be little, simple in construction, be easily obtained required resistance, easily manufactured and low cost.In addition, cylinder type damper has the features such as high, the sealing simple in construction of heat exchange coefficient α value when outside vehicle is equipped with.
But, owing to the cylinder type damper of prior art uses hydraulic oil as interior media mostly, so being susceptible to the problem of hydraulic fluid leak, and often have damping force deficiency, low and high temperature performance deep fades in service life, low speed is low shake in the case of put out the shortcomings such as the ability of shaking is weak.Simultaneously as the cylinder type damper of prior art is usually designed to use along vertical direction, and the reason of the fluids such as the gas existed in it, hydraulic oil, this kind of cylinder type damper is generally not capable of laterally using.
Accordingly, it is desirable to provide a kind of good seal performance, length in service life, the unrestricted cylinder type damper of connected mode.
Utility model content
In order to solve the problems referred to above, this utility model provides a kind of cylinder type damper, including:
Working cylinder；
Piston, described piston is sealingly disposed in described working cylinder movably, and described working cylinder is divided into the first Room and the second Room, and elastic gel is all filled in the first Room and the second Room；
Storage cylinder, described working cylinder is arranged in described storage cylinder, described storage cylinder two ends are sealed, and are partially filled with elastic gel between described working cylinder and described storage cylinder, and the part being filled with elastic gel of described storage cylinder is connected with the second Room of described working cylinder；
Separate cylinder, described separation cylinder is between described working cylinder and described storage cylinder, it is filled with elastic gel between described separation cylinder and described working cylinder, one end of described separation cylinder connects with the first Room of described working cylinder, and the other end of described separation cylinder connects with the part being filled with elastic gel of described storage cylinder；
Piston rod, one end of described piston rod is connected with described piston, and the other end of described piston rod stretches out described storage cylinder, and described piston rod can drive described piston to move along the axis direction of described working cylinder relative to described working cylinder in described working cylinder, wherein,
When cylinder type damper is compressed, along with piston moves, first Room expansion, second Room is shunk, the elastic gel being filled between described separation cylinder and described working cylinder can be introduced into the first Room, the elastic gel being filled in the second Room can be pressed into described storage cylinder, and the elastic gel being filled in described storage cylinder can enter described separation cylinder；And
During cylinder type damper is stretched, along with piston moves, first Room is shunk, second Room expansion, the elastic gel filling the first Room is pressed between described separation cylinder and described working cylinder, the elastic gel being filled in described storage cylinder is introduced into the second Room, and the elastic gel between described separation cylinder and described working cylinder can enter described storage cylinder.
In preferred embodiment of the present utility model, can be provided with on described piston and allow the elastic gel of the second Room to enter the first Room but do not allow the elastic gel of the first Room to enter the check valve of the second Room, when cylinder type damper is compressed, elastic gel can flow to the first Room by described check valve from the second Room.
In preferred embodiment of the present utility model, the first Room of described working cylinder can be connected with the described cylinder that separates by the hole being arranged on the first Room sidewall.
In preferred embodiment of the present utility model, sealing member can be provided with in the position extending described storage cylinder of described piston rod, it is also provided with capping at described sealing member between cylinder and described working cylinder with described separation, described capping has reflux so that the elastic gel of sealing station can flow into described storage cylinder by described reflux.
In preferred embodiment of the present utility model, described cylinder type damper can also include motion compensation mechanism, described motion compensation mechanism in described storage cylinder with compensate described storage cylinder Elastic colloid change in volume.
In preferred embodiment of the present utility model, described motion compensation mechanism can be air chamber or the bipeltate chamber of bipeltate filling of air composition.
In preferred embodiment of the present utility model, the second Room of described working chamber can be communicated to the part filling elastic gel of described storage cylinder by two-way valve.
In preferred embodiment of the present utility model, described two-way valve can be configured so that the pressure differential of both sides is opened when exceeding predetermined value.
In preferred embodiment of the present utility model, described two-way valve can include base, it is movably disposed at the valve body in the through hole of described base, it is movably disposed at the spool in the through hole of described valve body, it is arranged on the spring leaf between described valve body and described base, it is arranged on the spring in the through hole of described valve body, wherein, described spring leaf applies first elastic force in the direction along the through hole making the described valve body described base of cut out to described valve body, described spring applies second elastic force in the direction along the through hole making the described spool described valve body of closedown to described spool, and the first elastic force is relative with the second elastic force direction.During cylinder type damper is stretched, when the pressure differential of described two-way valve both sides overcomes spring leaf to apply the elastic force to valve body, described valve body moves to the position making the through hole of described base connect, and described two-way valve is opened.At cylinder type damper by compression process, when the pressure differential of described two-way valve both sides overcomes spring to apply the elastic force to spool, described spool moves to the position making the through hole of described valve body connect, and described two-way valve is opened.
In preferred embodiment of the present utility model, described check valve on described piston may include that valve body, described valve body is formed in the through hole on described piston, described through hole has the first hole on one end face of described piston and the second hole of described another end face of piston, and described first hole is different with described second bore dia；Steel ball, the diameter of described steel ball is less than described second hole more than described first hole, in order to put into described through hole by described second hole such that it is able at described spindle of valve body to motion；And stop part, it is arranged on described second hole and sentences described steel ball is limited in described valve body, and limit one end of described steel ball movement travel.
Cylinder type damper of the present utility model has the advantages such as good seal performance, length in service life, connected mode be unrestricted.
Accompanying drawing explanation
Fig. 1 is the sectional view of the cylinder type damper according to an embodiment of the present utility model；
Fig. 2 is the partial enlarged drawing near the upper end of the cylinder type damper of Fig. 1, particularly illustrates sealing system and the part for elastic gel blood circulation of cylinder type damper；
Fig. 3 shows the structure of the piston of the cylinder type damper in Fig. 1；
Fig. 4 shows the structure of the two-way valve of the cylinder type damper in Fig. 1.
In figure, parts corresponding represented by reference are as follows: connect ring at 1: the first；2: dirt-proof boot；3: cylinder cap；4: sealing ring；5: pressing plate；6: fairlead；7: capping；8: piston rod；9: working cylinder；Room 91: the first；Room 92: the second；10: separate cylinder；11: storage cylinder；12: elastic gel；13: piston；14: two-way valve；15: base；Connect ring at 16: the second；17: through hole；18: return port；19: check valve；20: steel ball；21: stopping screw；22: check valve through hole；23: spring leaf；24: valve body；25: spool；26: spring.
Detailed description of the invention
Below with reference to accompanying drawing, the detailed description of the invention according to cylinder type damper of the present utility model is described.Following detailed description and drawings is for exemplarily illustrating that principle of the present utility model, this utility model are not limited to described preferred embodiment, and protection domain of the present utility model is defined by the claims.
Additionally, space correlation term (such as " on ", D score, " left " and " right " etc.) for describing the relative position relation of element shown in the drawings and another element.Therefore, during space correlation term may apply to directions different from direction shown in the drawings when using.Obviously, although for ease of explanation, all these space correlation terms refer to direction shown in the drawings, but skilled artisans appreciate that and can use the direction different from the direction shown in accompanying drawing.
Hereinafter, the details according to cylinder type damper of the present utility model and operation principle will be described referring to figs. 1 to 4.Fig. 1 is the sectional view of the cylinder type damper according to an embodiment of the present utility model.Fig. 2 is the partial enlarged drawing near the upper end of the cylinder type damper of Fig. 1, particularly illustrates sealing system and the part for elastic gel blood circulation of cylinder type damper.Fig. 3 shows the structure of the piston of the cylinder type damper in Fig. 1.Fig. 4 shows the structure of the two-way valve of the cylinder type damper in Fig. 1.
<critical piece of cylinder type damper>
The critical piece of the cylinder type damper according to an embodiment of the present utility model is described referring to Fig. 1.As it is shown in figure 1, include three cylinders according to the cylinder type damper of an embodiment of the present utility model: working cylinder 9, separate cylinder 10 and storage cylinder 11.Working cylinder 9 is arranged in storage cylinder 11, separates cylinder 10 and is arranged between working cylinder 9 and storage cylinder 11.The two ends of storage cylinder 11 are respectively sealed to cylinder cap 3 and second and connect ring 16, are consequently formed airtight cylinder space.One end of working cylinder 9 is sealed to cover 7, and the other end of working cylinder 9 is sealed to base 15.The one end separating cylinder 10 is also sealed to cover 7, and other end opening.
Piston 13 is sealed in working cylinder 9 movably, and working cylinder 9 is divided into the first Room 91 and the second Room 92.This cylinder type damper also includes that piston rod 8, piston rod 8 one end are connected to piston 13, and the other end stretches out storage cylinder 11.Piston rod 8 can drive piston 13 to move along the axis direction of working cylinder 9 relative to working cylinder 9 in working cylinder 9.
In this embodiment of the present utility model, use elastic gel as working media.Elastic gel is a family macromolecule composite, and its dispersate, between coarse dispersion system and solution, belongs to semifluid, and range of viscosities is generally 10,000 to 50, between 000,000cst.In embodiment of the present utility model, in the first Room 91 of working cylinder 9 and the second Room 92, fill elastic gel.Elastic gel is filled between working cylinder 9 and separation cylinder 10.Being partially filled with elastic gel 12 between storage cylinder 11 and working cylinder 9, remainder is reserved as cavity.It is provided with through hole 17 (as shown in Figure 2) on the sidewall of the first Room 91 of working cylinder 9, the one end separating cylinder 10 is connected with the first Room 91 by the through hole 17 on the first Room 91 of working cylinder 9, the opening of the other end separating cylinder 10 is immersed in the elastic gel of storage cylinder 11, and connects with the part being filled with elastic gel 12 of storage cylinder 11.The part being filled with elastic gel 12 of storage cylinder 11 also connects with the second Room 92 of working cylinder 9.
Preferably, the piston 13 of cylinder type damper is provided with check valve 19.This check valve 19 allows the elastic gel of the second Room 92 to enter the first Room 91, but does not allow the elastic gel of the first Room 91 to enter the second Room 92.
Preferably, the second end, Room 92 of cylinder type damper is provided with two-way valve 14.The part being filled with elastic gel 12 of storage cylinder 11 is connected with the second Room 92 of working cylinder 9 by two-way valve 14.
The operation principle of the cylinder type damper according to this embodiment introduced below.
With reference to Fig. 1, explain situation when cylinder type damper works in an erect condition.
With reference to Fig. 1, when cylinder type damper is stretched, piston rod 8 drives piston 13 to move upward.Now, the first Room 91 is shunk, and the second Room 92 is expanded, and therefore, the first Room 91 becomes high pressure chest, and the second Room 92 becomes low pressure chamber, and the check valve 19 on piston 13 is closed.Elastic gel via through holes 17 in first Room 91 enters and separates between cylinder 10 and working cylinder 9, and meanwhile, the elastic gel in storage cylinder 11 enters the second Room 92 through two-way valve 14.It is immersed in the elastic gel of storage cylinder 11 owing to separating the opening of cylinder 10 other end, therefore, is filled in the elastic gel separated between cylinder 10 and working cylinder 9 and also can enter storage cylinder 11.In this motor process, main generation by the through hole 17 of the first Room 91 restores resistance.
With reference to Fig. 1, when cylinder type damper is compressed, piston rod 8 drives piston 13 to move downward.Now, the first Room 91 is expanded, and the second Room 92 is shunk, and therefore, the first Room 91 becomes low pressure chamber, and the second Room 92 becomes high pressure chest, and the check valve 19 on piston 13 is opened.The elastic gel in second Room 92 check valve 19 on piston 13 enters the first Room 91.Meanwhile, being filled in the elastic gel separated between cylinder 10 and working cylinder 9 and can enter the first Room 91 by via through holes 17, the elastic gel in the second Room 92 can be entered in storage cylinder 11 by two-way valve 14.Being immersed in the elastic gel of storage cylinder 11 owing to separating the opening of cylinder 10 other end, therefore, the elastic gel being filled in storage cylinder 11 enters also by the opening separating cylinder 10 other end and separates between cylinder 10 and working cylinder 9.In this motor process, the main through hole 17 passing through the first Room 91 and check valve aperture 22 produce and restore resistance.
Cylinder type damper according to previous embodiment of the present utility model has following features.
1) cylinder type damper of the present embodiment uses elastic gel as working media.As it was previously stated, elastic gel is as a family macromolecule composite, its range of viscosities is generally 10,000 to 50, between 000,000cst, therefore only has the conventional liq of 50 to 500cst compared to viscosity, can produce high viscosity resistance.Such viscosity determines the buffer shock-absorbing performance that elastic gel is good.Additionally, when elastic gel is compressed, the internal pressure of elastic gel significantly rises.Such as a kind of typical elastic gel, when pressure increases to 4,000bar, its shrinkage factor is about 15%.Bigger compressibility determines good elastic performance.In addition, elastic gel possesses the series of advantages such as significant heat stability, chemical stability, shear stability, temperature adaptation performance, sealing and resistance to ag(e)ing.These advantages determine, and when elastic gel is applied to vibroshock, contribute to realizing the stability of vibroshock of the present utility model, reliability, life-span length, the advantage such as non-maintaining.
2) in the cylinder type damper of the present embodiment, use working cylinder is divided into two chambers and two chambers respectively with separate cylinder and the structure of storage cylinder connection.Therefore, in the work process of cylinder type damper, elastic gel has certain relative independentability in the first Room with the stream separated between cylinder and the stream between the second Room and storage cylinder.This flowing being independently conducive to elastic gel of elastic gel stream, beneficially heat transfer, increase the heat dispersion of cylinder type damper.
3) in the cylinder type damper of the present embodiment, working media, i.e. elastic gel in storage cylinder, it are partially filled with.Remainder is the cavity filling air, may be used for compensating the change in volume of elastic gel in storage cylinder.In the case, the first Room of working cylinder connects with separating cylinder, separates in cylinder is filled elastic gel and is communicated to storage cylinder the part being filled with elastic gel, and the second Room of working cylinder connects with the part being filled with elastic gel of storage cylinder.Thus, in vibroshock course of action, due to the connection outlet of working cylinder with its external world, the i.e. first Room is immersed in elastic gel all the time with the connected entrance of the connected entrance separating cylinder and the second Room and storage cylinder, and the gas in storage cylinder can be avoided to enter working cylinder.
4) in the cylinder type damper of the present embodiment, in drawing process, mainly produced recovery resistance by the through hole 17 on the sidewall of the first Room of working cylinder, and mainly produced by the check valve on through hole 17 and piston in compression process and restore resistance.Therefore, it can by arranging check valve and the size of through hole 17, shape and quantity etc., and restrained stretching and the damping force of compression process easily.Such as, when having difference to require recovery damping force, as long as by calculating the through hole on the check valve matched with recovery damping force and the diameter of the through hole on the first Room sidewall and quantity, it is possible to the recovery damping force needed for acquisition.Owing to hole machined is convenient, precision is easily controllable, in addition the stable performance of elastic gel, it is ensured that the performance of damping force of cylinder type damper is stable, and damping force value is undamped, improves the service life of cylinder type damper.
<miscellaneous part of cylinder type damper>
The miscellaneous part of cylinder type damper is described below with reference to Fig. 1-4.
Preferably, as in figure 2 it is shown, be provided with sealing ring 4 in the position extending storage cylinder 11 of piston rod 8, for providing the sealing between cylinder cap 3 and piston rod 8.Capping 7 it is additionally provided with between cylinder 10 and working cylinder 9 with separating at sealing ring 4.In capping 7, there is return port 18 so that the elastic gel 12 at sealing station can be flowed in storage cylinder 11 by return port 18.Further, it is also possible to arrange fairlead 6 between capping 3 and piston rod 8.And, it is also possible to pressing plate 5 is set between capping 7 and cylinder cap 3 to provide the contact of each parts to coordinate.
According to such structure, between sealing system and elastic gel work system, it is provided with capping so that sealing system and elastic gel work system are separate so that the heat that cylinder type damper produces at the volley is not directly placed on sealing system.Additionally, due to the elastic gel at sealing station is generally of elevated pressures and temperature, sealing ring is easily made to lose efficacy if entered at sealing ring.Therefore, return port can make high-pressure elastomeric colloid flow back to storage cylinder before arriving sealing ring.And, it is also possible to make elastic gel be reduced pressure through fairlead.Therefore, sealing system bears low pressure all the time, thus protects sealing system.Owing to directly affecting the service life of cylinder type damper the service life of sealing system, therefore, cylinder type damper of the present utility model is long for service life.
Preferably, as shown in Figure 3, it is shown that a kind of example of the check valve on piston.The valve body of check valve is formed in the check valve through hole 22 on piston 13, and this check valve through hole 22 has the first hole on an end face of piston 13, has the second hole on another end face of piston 13, and the first hole is different from the diameter in the second hole.Being additionally provided with steel ball 20 in check valve through hole 22, the diameter of steel ball 20 is more than the diameter in the first hole, less than the diameter in the second hole, in order to can put into check valve through hole 22 by the second hole such that it is able to axially-movable in check valve through hole 22.Stopping screw 21 is arranged on the second hole as stop part and sentences and be limited in check valve through hole 22 by steel ball 20, and limits one end of the movement travel of steel ball.Alternatively, stop part can be the flat screw of milling or the pin screwing in the second hole.
By arranging the through hole 17 on the first Room sidewall of check valve through hole 22 and working cylinder 9, damping force can be controlled simply, keep performance curve stable and undamped.And, hole machined is convenient, and precision is easily controllable；In addition the stable performance of elastic gel 12.Thus it is guaranteed that the performance of damping force of cylinder type damper is stable, damping force value is undamped, improves the service life of cylinder type damper.When having difference to require recovery damping force, as long as by calculating the check valve through hole 22 and the diameter of through hole 17 and quantity matched with recovery damping force, it is possible to the recovery damping force needed for acquisition.
Preferably, as shown in Figure 4, it is shown that a kind of example of two-way valve 14.Valve body 24 in the through hole that two-way valve 14 includes base 15, be movably disposed at base 15, the spool 25 being movably disposed in the through hole of valve body 24, the spring leaf 23 being arranged between valve body 24 and base 15, be arranged on valve body 24 through hole in spring 26.Valve body 24 is applied along first elastic force in direction of through hole making valve body 24 close base 15 by spring leaf 23, spring 26 applies second elastic force in the direction along the through hole making spool 25 valve body 24 to spool 25, and the first elastic force is relative with the second elastic force direction.When cylinder type damper is stretched, when the pressure differential of two-way valve both sides overcomes spring leaf 23 to apply the elastic force to valve body 24, valve body 24 moves to the position making the through hole of base 15 connect, and two-way valve is opened；When cylinder type damper is compressed, when the pressure differential of two-way valve both sides overcomes spring to apply the elastic force to spool 25, spool 25 moves to the position making the through hole of valve body 24 connect, and two-way valve is opened.
By arranging the two-way two-way valve automatically turning on design, open when the pressure differential of two-way valve both sides exceedes predetermined value.It is applied to the load of vibroshock owing to the pressure differential of two-way valve both sides reflects.Therefore, when external load is excessive, two-way valve body opens pressure release, to alleviate the momentary fluctuation of working cylinder pressure, maintains accurate damping, also functions to the effect of overload protection simultaneously.
Preferably, as it is shown in figure 1, cylinder type damper also includes that connecting ring 1 and second containing first connects ring 16, is respectively used to be connected to the two ends of vibroshock operating position.Additionally, connect ring can also include dirt-proof boot, such as, dirt-proof boot 2 is threadeded with storage cylinder 11, so that airtight cylinder space is not affected by dust in external environment.
<other embodiments>
Although as it was previously stated, be illustrated exemplary embodiment of the present utility model and other optional embodiments by reference to accompanying drawing in Shuo Ming, but this utility model is not limited to above-mentioned detailed description of the invention.
Such as, in the aforementioned embodiment, when vertically using cylinder type damper, can keep portion of air in the cavity of storage cylinder 11 upper end, the change in volume of storage cylinder 11 Elastic colloid 12 when compensating piston bar 8 moves in working cylinder 9, the cylinder 10 that separates being filled with elastic gel in the case may insure that air cannot be introduced into the inside of working cylinder 9.But, level can also be conceived use according to cylinder type damper of the present utility model, now, bipeltate can be used to fill the cavity of storage cylinder, the change in volume of storage cylinder Elastic colloid when compensating piston bar moves in working cylinder, and avoid in the case of cylinder type damper is horizontal elastic gel at the cavity internal diffusion of storage cylinder.In addition to air and bipeltate, it is also possible to conceive the compensation mechanism of other modes, such as, the combination etc. that spring and moveable piston are constituted.Compensation mechanism can be in the stretching of cylinder type damper or compression process, the most effective change in volume compensating the elastic gel caused in storage cylinder due to the motion of piston rod, it is ensured that the seriality of cylinder type damper damping force value.Simultaneously as elastic gel has certain expansion and contraction, therefore, compensation mechanism can also compensate for the change in volume that the elastic gel in storage cylinder produces owing to expanding with heat and contract with cold.
Additionally, when tilting to use according to cylinder type damper of the present utility model, can suitably lengthen the length separating cylinder, to ensure that the air in storage cylinder does not enter in working cylinder.
In the aforementioned embodiment, the first Room of working cylinder is communicated to separate cylinder by the through hole on sidewall.But, the first Room that it will be appreciated by those skilled in the art that working cylinder and the mode of communicating separated between cylinder are not limited to through hole 17, and to take the first Room making working cylinder and can separate other modes that cylinder connects.Such as, in Fig. 1, the upper end of the first Room of working cylinder can also open directly into separation cylinder, can change damping by the size of this opening and the size separating cylinder.Or, it is also possible to by arranging the first Room that two-way valve realizes working cylinder and the connection separated between cylinder.
In the aforementioned embodiment, piston arranges check valve so that check valve is opened in compression process, thus reduce the damping of compression process.But, this utility model is not limited to this.Such as, if it is desired to the damping of drawing process is lower, it is also possible to rightabout check valve is set.For example, it is possible to arrange such as through hole to replace check valve, or through hole is additionally set outside check valve.Additionally, it will be understood to those skilled in the art that and can also cancel check valve, vibroshock the most of the present utility model still can produce damping.In addition, check valve is not limited to the structure shown in accompanying drawing 3.Can not enter the second Room to take any elastic fluid that can make the first Room and the elastic fluid of the second Room enter the first Room in the way of check valve.Such as, cone is used to substitute the steel ball sealing member as check valve.
In the aforementioned embodiment, the second Room of working cylinder is communicated to storage cylinder by two-way valve.But, this utility model is not limited to this.For example, it is possible to replace two-way valve or be additional to two-way valve, through hole or passage are set.Additionally, it will be appreciated by those skilled in the art that two-way valve is not limited to the structure shown in accompanying drawing 4.Any structure that two-way valve can be made to realize opening under the pressure differential that two ends are certain can be used all can to use.
In the aforementioned embodiment, by additionally arranging capping and arranging return port in capping, high-pressure elastomeric colloid is made to flow into storage cylinder to protect sealing system by return port.But this utility model is not limited to this, it will be appreciated by those skilled in the art that the return port that the structure making elastic gel flow back to storage cylinder is not limited in capping.Any structure that elastic gel can be made to flow back to storage cylinder can be used.For example, it is possible to arrange some backflashes on the sidewall of capping.
Although as it was previously stated, be illustrated exemplary embodiment of the present utility model by reference to accompanying drawing in Shuo Ming, but this utility model is not limited to above-mentioned detailed description of the invention, and protection domain of the present utility model should be limited by claims and equivalents thereof.
Claims (10)
1. a cylinder type damper, including:
Working cylinder；
Piston, described piston is sealingly disposed in described working cylinder movably, and described working cylinder is divided into the first Room and the second Room, and elastic gel is all filled in the first Room and the second Room；
Storage cylinder, described working cylinder is arranged in described storage cylinder, described storage cylinder two ends are sealed, and are partially filled with elastic gel between described working cylinder and described storage cylinder, and the part being filled with elastic gel of described storage cylinder is connected with the second Room of described working cylinder；
Separate cylinder, described separation cylinder is between described working cylinder and described storage cylinder, it is filled with elastic gel between described separation cylinder and described working cylinder, one end of described separation cylinder connects with the first Room of described working cylinder, and the other end of described separation cylinder connects with the part being filled with elastic gel of described storage cylinder；
Piston rod, one end of described piston rod is connected with described piston, and the other end of described piston rod stretches out described storage cylinder, and described piston rod can drive described piston to move along the axis direction of described working cylinder relative to described working cylinder in described working cylinder, wherein,
When cylinder type damper is compressed, along with piston moves, first Room expansion, second Room is shunk, the elastic gel being filled between described separation cylinder and described working cylinder can be introduced into the first Room, the elastic gel being filled in the second Room can be pressed into described storage cylinder, and the elastic gel being filled in described storage cylinder can enter described separation cylinder；And
During cylinder type damper is stretched, along with piston moves, first Room is shunk, second Room expansion, the elastic gel filling the first Room is pressed between described separation cylinder and described working cylinder, the elastic gel being filled in described storage cylinder is introduced into the second Room, and the elastic gel between described separation cylinder and described working cylinder can enter described storage cylinder.
Cylinder type damper the most according to claim 1, wherein, it is provided with on described piston and allows the elastic gel of the second Room to enter the first Room but do not allow the elastic gel of the first Room to enter the check valve of the second Room, when cylinder type damper is compressed, elastic gel can flow to the first Room by described check valve from the second Room.
Cylinder type damper the most according to claim 1, wherein, the first Room of described working cylinder is connected with the described cylinder that separates by the hole being arranged on the first Room sidewall.
Cylinder type damper the most according to claim 1, wherein, the position extending described storage cylinder of described piston rod is provided with sealing member, it is additionally provided with capping at described sealing member between cylinder and described working cylinder with described separation, described capping has reflux so that the elastic gel of sealing station can flow into described storage cylinder by described reflux.
Cylinder type damper the most according to claim 1, also includes motion compensation mechanism, described motion compensation mechanism in described storage cylinder with compensate described storage cylinder Elastic colloid change in volume.
Cylinder type damper the most according to claim 5, wherein, described motion compensation mechanism is air chamber or the bipeltate chamber of bipeltate filling of air composition.
Cylinder type damper the most according to claim 1, the second Room of described working chamber is communicated to the part filling elastic gel of described storage cylinder by two-way valve.
Cylinder type damper the most according to claim 7, wherein, described two-way valve is arranged to open when the pressure differential of both sides exceedes predetermined value.
Cylinder type damper the most according to claim 8, wherein, described two-way valve includes base, it is movably disposed at the valve body in the through hole of described base, it is movably disposed at the spool in the through hole of described valve body, it is arranged on the spring leaf between described valve body and described base, it is arranged on the spring in the through hole of described valve body, wherein, described spring leaf applies first elastic force in the direction along the through hole making the described valve body described base of cut out to described valve body, described spring applies second elastic force in the direction along the through hole making the described spool described valve body of closedown to described spool, and the first elastic force is relative with the second elastic force direction；
During cylinder type damper is stretched, when the pressure differential of described two-way valve both sides overcomes spring leaf to apply the elastic force to valve body, described valve body moves to the position making the through hole of described base connect, and described two-way valve is opened；
At cylinder type damper by compression process, when the pressure differential of described two-way valve both sides overcomes spring to apply the elastic force to spool, described spool moves to the position making the through hole of described valve body connect, and described two-way valve is opened.
10. according to the cylinder type damper described in claim 2, wherein, the described check valve on described piston includes:
Valve body, described valve body is formed in the through hole on described piston, and described through hole has the first hole on one end face of described piston and the second hole of described another end face of piston, and described first hole is different with described second bore dia；
Steel ball, the diameter of described steel ball is less than described second hole more than described first hole, in order to put into described through hole by described second hole such that it is able at described spindle of valve body to motion；With
Stop part, is arranged on described second hole and sentences and be limited in described valve body by described steel ball, and limit one end of described steel ball movement travel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130276.8U CN205446531U (en) | 2015-12-30 | 2015-12-30 | Cartridge shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130276.8U CN205446531U (en) | 2015-12-30 | 2015-12-30 | Cartridge shock absorber |
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| Publication Number | Publication Date |
|---|---|
| CN205446531U true CN205446531U (en) | 2016-08-10 |
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| CN201521130276.8U Expired - Fee Related CN205446531U (en) | 2015-12-30 | 2015-12-30 | Cartridge shock absorber |
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| CN (1) | CN205446531U (en) |
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- 2015-12-30 CN CN201521130276.8U patent/CN205446531U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20171230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |