CN207715619U - A kind of cartridge type air spring - Google Patents
A kind of cartridge type air spring Download PDFInfo
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- CN207715619U CN207715619U CN201721610461.6U CN201721610461U CN207715619U CN 207715619 U CN207715619 U CN 207715619U CN 201721610461 U CN201721610461 U CN 201721610461U CN 207715619 U CN207715619 U CN 207715619U
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Abstract
The utility model discloses a kind of cartridge type air spring, it includes cylinder and the piston component that is arranged in cylinder, and the piston component includes piston rod and piston；Cylinder is separated into vibration damping working cylinder and spring works cylinder by piston, the piston rod inner is cavity, the cavity is vibration damping air storing cavity, the vibration damping air storing cavity is connected to vibration damping working cylinder, it is provided with vibration damping valve body between the vibration damping working cylinder and vibration damping air storing cavity, vibration damping throttle orifice is additionally provided on the vibration damping valve body, vibration damping working cylinder is connected to by the vibration damping throttle orifice with vibration damping air storing cavity；The spring works cylinder is connected to spring air storing cavity, and gas spring valve body is provided between the spring works cylinder and spring air storing cavity, and gas spring throttle orifice is additionally provided on the gas spring valve body, and spring works cylinder is connected to by the gas spring throttle orifice with spring air storing cavity；The cartridge type air spring, it is simple in structure, securely and reliably；It does not need high pressure gas filling equipment and fills pipeline, simplified chassis layout savings space, such environmental effects are small.
Description
Technical field
The utility model is related to automotive suspensions, refer in particular to a kind of cartridge type air spring.
Background technology
It is well known that automotive suspension can reduce the vibration and impact that automobile is subject in the process of moving, enable automobile
Safer, comfortable traveling；Automotive suspension uses extensive in the car.It includes damping element and elastic element to cycle suspension,
The elastic element of existing automotive suspension is usually leaf spring and air spring；Existing elastic element light plate spring rate and again
Amount is larger, increases the overall weight of vehicle body.
In existing commercial car, generally use air spring, air spring is made of rubber bag tank and high pressure gas filling equipment.
Rubber bag tank rigidity has that limitation, fragile, such environmental effects are big, explosive capsule；High pressure gas filling equipment is by dedicated pipeline and pressure
Contracting mechanism is at maintenance cost is high, it is big to take up space, influences chassis layout.
Utility model content
The purpose of this utility model is that：In view of the above problems, a kind of cartridge type air spring is provided, the cartridge type is empty
Gas spring, it is simple in structure, securely and reliably;It does not need high pressure gas filling equipment and fills pipeline, simplify chassis layout and save sky
Between, such environmental effects it is small.
The technical solution adopted in the utility model is as follows：
The utility model discloses a kind of cartridge type air spring, it includes cylinder and the piston component that is arranged in cylinder,
The piston component includes piston rod and piston；Cylinder is separated into vibration damping working cylinder and spring works cylinder by institute's piston, described to subtract
It shakes and is filled with high pressure gas in working cylinder and spring works cylinder；
The piston rod inner is cavity, and the cavity is vibration damping air storing cavity, the vibration damping air storing cavity and vibration damping working cylinder
Connection is provided with vibration damping valve body between the vibration damping working cylinder and vibration damping air storing cavity, institute's vibration damping valve body is for controlling vibration damping working cylinder
With the break-make of vibration damping air storing cavity；Vibration damping throttle orifice is additionally provided on the vibration damping valve body, the vibration damping throttle orifice works vibration damping
Cylinder is connected to vibration damping air storing cavity；
The spring works cylinder is connected to spring air storing cavity, and gas bullet is provided between the spring works cylinder and spring air storing cavity
Spring valve body, the gas spring valve body are used to control the break-make of spring works cylinder and spring air storing cavity, are gone back on the gas spring valve body
It is provided with gas spring throttle orifice, spring works cylinder is connected to by the gas spring throttle orifice with spring air storing cavity；
The piston cylinder end connects wheel by vehicle bridge connector, and the cylinder bottom is connected by vehicle frame coupling head
Pick up body；In vehicle traveling process, when wheel is impacted by convex road surface, piston rod band piston moves in cylinder, living
Compressed spring working cylinder volume is filled in, so that the pressure in spring works cylinder is more than the pressure in spring air storing cavity, at this point, gas spring valve
Body is opened, and so that the gas in spring works cylinder is passed through gas spring valve body and is entered in spring air storing cavity；Spring works cylinder is used at this time
Absorb the energy generated when impact；
When piston compressed spring working cylinder volume, vibration damping working cylinder volume becomes larger, and the pressure in vibration damping working cylinder, which is less than, to be subtracted
The pressure shaken in air storing cavity, vibration damping valve body are opened, so that the gas in vibration damping air storing cavity is passed through vibration damping valve body and enter vibration damping working cylinder
It is interior；It is conducive to spring works cylinder in this way and preferably absorbs the energy that impact generates.
After having crossed convex road surface, impact releases, piston reset, is absorbed when the gas release in spring works cylinder is impacted at this time
Energy, spring works cylinder volume become larger, and the pressure in spring air storing cavity is more than the pressure in spring works cylinder, and gas spring valve body closes
It closes, the gas in spring air storing cavity is made to enter spring works cylinder from gas spring throttle orifice.It is absorbed when the release impact of spring works cylinder
Energy when, piston compresses the volume of vibration damping working cylinder, and pressure in vibration damping working cylinder is made to be more than the pressure in vibration damping air storing cavity,
Vibration damping valve body is closed, and the gas in vibration damping working cylinder is made to enter in vibration damping air storing cavity from vibration damping throttle orifice, absorbs spring works cylinder
Impact energy after the decaying of gas release, then gas temperature rising, impact energy are discharged into air in the form of thermal energy
In.
In vehicle traveling process, when wheel is impacted by recessed road surface, piston rod band piston moves in cylinder, living
Plug compression vibration damping working cylinder volume, makes the pressure in vibration damping working cylinder be more than the pressure in vibration damping air storing cavity, at this point, vibration damping valve body
It closes, so that the gas in vibration damping working cylinder is passed through vibration damping throttle orifice and enter in vibration damping air storing cavity；Vibration damping working cylinder is for inhaling at this time
Receive the energy generated when impact；
When piston presses vibration damping working cylinder volume, spring works cylinder volume becomes larger, and the pressure in spring works cylinder is less than spring
Pressure in air storing cavity, gas spring valve body close, so that the gas in vibration damping air storing cavity is passed through gas spring throttle orifice and enter spring work
Make in cylinder；It is come into full contact with conducive to wheel and ground.
After having crossed convex road surface, impact releases, piston reset, is absorbed when the gas release in vibration damping working cylinder is impacted at this time
Energy, vibration damping working cylinder volume become larger, and the pressure in vibration damping air storing cavity is more than the pressure in vibration damping working cylinder, and vibration damping valve body is beaten
It opens, the gas in vibration damping air storing cavity is made to enter vibration damping working cylinder from vibration damping valve body.The energy absorbed when the release impact of vibration damping working cylinder
When amount, the volume of piston compressed spring working cylinder makes the pressure in spring works cylinder be more than the pressure in spring air storing cavity, gas bullet
Spring valve body is opened, and the gas in spring works cylinder is made to enter in spring air storing cavity from gas spring valve body, absorbs vibration damping working cylinder gas
Impact energy after the decaying of body release, then gas temperature rising, impact energy are discharged into the atmosphere in the form of thermal energy.
Due to above structure, during by convex road shocks, spring cylinder is as elastic element, vibration-damping cylinder conduct
Damping element works；Vibration-damping cylinder is as elastic element during by recessed road shocks, and spring cylinder is as damping element
Work；The utility model is set to realize the effect of bidirectional buffering, two-way vibration damping.The function of elastic element and damping element is integrated into
One reduces equipment volume, does not influence vehicle frame layout, securely and reliably, is easily installed and uses.
Further, the cylinder is placed in inflator, and institute's spring air storing cavity is arranged in inflator, is located on the outside of cylinder；Institute
It states in vibration damping working cylinder and is provided with piston rod guide sleeve.
Further, vibration damping valve body installation cavity is provided on the piston, the vibration damping valve body installation cavity works with vibration damping
Cylinder is connected to vibration damping air storing cavity, and the vibration damping valve body is mounted in vibration damping valve body installation cavity；The vibration damping valve body installation cavity is inserted into
It is connect with piston thread in piston.
Due to above structure, piston and piston rod are detachably connected, and are convenient for the installation and maintenance of vibration damping valve body.
Further, piston seal air flue is provided on the piston, the piston seal air passage outlet is provided in end
Piston seal, institute's piston seal are contacted with cylinder sidewall；Piston seal tracheal entrance end is connected to cylinder interior, is made
Gas in cylinder enters extrusion piston sealing element in piston seal air flue from piston seal tracheal entrance end, makes piston seal
Compression cylinder side wall.
Due to above structure, gas in cylinder extrusion piston sealing element always, after piston seal is worn, piston is close
The piston seal sealed in air passage outlet end is squeezed out by air pressure from piston seal air passage outlet end, the mill of compensating piston sealing element
Damage.Make to seal always between piston and cylinder.
Further, piston rod packing air flue is provided on the guide sleeve, piston rod packing air passage outlet end is set
It is equipped with piston rod seal component, institute's piston rod seal component is contacted with piston rod side wall；Piston rod packing tracheal entrance end and gas
Cylinder interior is connected to, and the gas in cylinder is made to enter extrusion piston bar in piston rod packing air flue from piston rod packing tracheal entrance end
Sealing element makes piston rod seal component clamping piston bar side wall.
Due to above structure, the gas in cylinder always after piston rod seal component is worn live by extrusion piston shaft seal
Piston rod seal component in rod seal air passage outlet end is squeezed out by air pressure from piston rod packing air passage outlet end, compensating piston bar
The abrasion of sealing element.Piston rod is set to be sealed always with guide member.
Further, it is provided with piston lubrication oil duct on the piston, is provided in the piston lubrication oil duct input end
Sliding block, the sliding block side are contacted with the gas in cylinder, and the other side is contacted with the lubricating oil in piston lubrication oil duct；It is described
Piston lubrication oil passage outlet end is contacted with cylinder sidewall；Gas extrusion sliding block in cylinder, makes sliding block into piston lubrication oil duct
It is mobile, the lubricating oil in piston lubrication oil duct is squeezed out from piston lubrication oil passage outlet.
Further, vibration damping working cylinder inflation air nozzle is provided on institute's piston rod, vibration damping working cylinder inflates air nozzle and vibration damping
Air storing cavity is connected to；Spring works cylinder inflation air nozzle, institute's spring works cylinder inflation air nozzle and spring gas storage are provided on the inflator
Chamber is connected to.
Further, the piston cylinder end set has vehicle bridge connector；The inflator bottom is provided with vehicle frame coupling head.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：
The function of the utility model elastic element and damping element integrates, and reduces equipment volume, does not influence vehicle frame
Layout, is easily installed and uses.The effect of bidirectional buffering, two-way vibration damping is realized simultaneously, effectiveness in vibration suppression is more preferable, securely and reliably,
Comfort level is high.Piston seal, piston rod seal component can be automatically replenished sealing upon wear simultaneously, ensure the reliable of sealing
Property.
Description of the drawings
Fig. 1 is the overall structure figure in the utility model；
Fig. 2 is vibration damping working cylinder structure chart.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Upper and lower, left and right position relationship described in present embodiment is as shown in Figure 1.A kind of cartridge type air spring it include
Inflator 10, cylinder 24, piston component, the inflator 10 include 10 bottom end cover 14 of 10 upper end cover 6 of inflator and inflator；The cylinder 24
It is placed in inflator 10；Piston component is provided in cylinder 24, the piston component includes piston rod 5 and piston 9, the piston rod
10 upper end cover 6 of inflator is run through in 5 upper ends, stretches out outside inflator 10；5 lower end of the piston rod is connected with piston 9；Institute's piston 9 is by cylinder
24 are separated into vibration damping working cylinder 25 and spring works cylinder 11, and high pressure is filled in the vibration damping working cylinder 25 and spring works cylinder 11
Gas；
5 inside of the piston rod is cavity, and the cavity is vibration damping air storing cavity 2, and the vibration damping air storing cavity 2 works with vibration damping
Cylinder 25 is connected to, and vibration damping valve body 31 is provided between the vibration damping working cylinder 25 and vibration damping air storing cavity 2, institute's vibration damping valve body 31 is for controlling
The break-make of vibration damping working cylinder 25 and vibration damping air storing cavity 2；Vibration damping throttle orifice 29, the vibration damping are additionally provided on the vibration damping valve body 31
Vibration damping working cylinder 25 is connected to by throttle orifice 29 with vibration damping air storing cavity 2；
The vibration damping valve body 31 is non-return valve, only allows the gas flow vibration damping working cylinder 25 in vibration damping air storing cavity 2, and
Gas in vibration damping working cylinder 25 can only flow to vibration damping air storing cavity 2 by vibration damping throttle orifice 29；
It is provided with vibration damping valve body installation cavity on the piston 9, the vibration damping valve body installation cavity and vibration damping working cylinder 25 and subtracts
The air storing cavity that shakes is connected to, and the vibration damping valve body 31 is mounted in vibration damping valve body installation cavity；The vibration damping valve body installation cavity is inserted into piston 9
It is interior to be threadedly coupled with piston 9.
Upper end is provided with 9 bar end socket 4 of piston on institute's piston rod 5, and vibration damping working cylinder inflation air nozzle 3 is provided on end socket 4, is subtracted
The working cylinder that shakes inflation air nozzle 3 is connected to vibration damping air storing cavity 2.
Vehicle bridge connector 1 is connected on 9 bar end socket 4 of the piston, the vehicle bridge connector 1 is for connecting wheel.
The spring works cylinder 11 is connected to spring air storing cavity 22, is set between the spring works cylinder 11 and spring air storing cavity 22
It is equipped with gas spring valve body 12, the gas spring valve body 12 is used to control the break-make of spring works cylinder 11 and spring air storing cavity 22, institute
It states and is additionally provided with gas spring throttle orifice 30 on gas spring valve body 12, the gas spring throttle orifice 30 is by spring works cylinder 11 and spring
Air storing cavity 22 is connected to.The spring air storing cavity 22 is arranged in inflator 10, is located at 24 outside of cylinder；
The gas spring valve body 12 is non-return valve, only allows the gas flow spring air storing cavity 22 in spring works cylinder 11
It is interior, and the gas in spring air storing cavity 22 can only flow to spring works cylinder 11 by gas spring throttle orifice 30.
10 bottom of the inflator is provided with vehicle frame connector, and the vehicle frame connector is used for connecting vehicle frame；
Spring works cylinder inflation air nozzle 17, institute's spring works cylinder inflation air nozzle 17 and bullet are provided on 10 side wall of the inflator
Spring air storing cavity 22 is connected to.
It is provided with piston rod guide sleeve 7 in the vibration damping working cylinder 25；As shown in Figure 1,7 small end of piston rod guide sleeve and gas
Cylinder 24 contacts, and big end is contacted with inflator 10.
Piston seal air flue is provided on the piston 9, the piston seal air passage outlet is provided with piston seal in end
Part, institute's piston seal are contacted with 24 side wall of cylinder；Piston seal tracheal entrance end is connected to 24 inside of cylinder, makes cylinder
Gas in 24 enters extrusion piston sealing element in piston seal air flue from piston seal tracheal entrance end, makes piston seal pressure
24 side wall of tight cylinder.
The piston seal air flue includes vibration damping end piston seal air flue 23 and spring terminal sealing air flue；Vibration damping end piston is close
Envelope air flue is provided with vibration damping end piston seal in 23 outlet end, and institute's vibration damping end piston seal is contacted with 24 side wall of cylinder；Institute
It states 23 input end of vibration damping end piston seal air flue and the inside of vibration damping working cylinder 25 is connected to, make gas in vibration damping working cylinder 25 from subtracting
23 input end of end piston seal air flue that shakes, which enters in vibration damping end piston seal air flue 23, squeezes vibration damping end piston seal, makes vibration damping
Hold 24 side wall of piston seal compression cylinder.
It is provided with spring terminal piston seal 20, institute's spring terminal piston in 19 outlet end of spring terminal piston seal air flue
Sealing element 20 is contacted with 24 side wall of cylinder；Connect inside 19 input end of spring terminal piston seal air flue and spring works cylinder 11
It is logical, so that the gas in spring works cylinder 11 is entered spring terminal piston seal air flue 19 from 19 input end of spring terminal piston seal air flue
Interior extruding spring terminal piston seal 20 makes 20 compression cylinder of spring terminal piston seal, 24 side wall.
Piston rod packing air flue 28,28 outlet end of piston rod packing air flue are provided on the piston rod guide sleeve 7
It is provided with piston rod seal component 33, institute's piston rod seal component 33 is contacted with 5 side wall of piston rod；The piston rod packing air flue 28 into
Mouth end and 25 inside of vibration damping working cylinder are connected to, and the gas in vibration damping working cylinder 25 is made to enter from 28 input end of piston rod packing air flue
Extrusion piston shaft seal 33 in piston rod packing air flue 28 makes 33 clamping piston bar of piston rod seal component, 5 side wall.
Dust seal 8 is additionally provided on the piston rod 5, the dust seal 8 is arranged on piston rod 5 close to gas
At 10 upper end covers 6 of cylinder.
It is provided with piston lubrication oil duct 21 on the piston 9, sliding block is provided in 21 input end of piston lubrication oil duct
18,18 side of the sliding block is contacted with the gas in cylinder 24, and the other side is contacted with the lubricating oil in piston lubrication oil duct 21；
21 outlet end of piston lubrication oil duct is contacted with 24 side wall of cylinder；Gas extrusion sliding block 18 in cylinder 24, make sliding block 18 to
It is moved in piston lubrication oil duct 21, the lubricating oil in piston lubrication oil duct 21 is exported from piston lubrication oil duct 21 and is squeezed out.
The outlet of piston lubrication oil duct 21 is between spring terminal piston seal 20 and vibration damping end piston seal, profit
It is sliding have come out from 21 outlet end of piston lubrication oil duct after, contacted with 24 side wall of cylinder, form lubricating oil film, oil film can play profit
Sliding effect, while the oil film can also play a part of sealing gas；And spring terminal piston seal 20 and vibration damping end piston are close
Sealing is contacted with isolation lubricating oil film with the gas in spring works chamber and vibration damping working chamber.
The work process of the utility model cartridge type air spring is as follows：
In vehicle traveling process, when wheel is impacted by convex road surface, piston rod 5 is moved with piston 9 in cylinder 24
Dynamic, 9 compressed spring working cylinder of piston, 11 volume makes the pressure in spring works cylinder 11 be more than the pressure in spring air storing cavity 22,
So that the gas in spring works cylinder 11 is washed gas spring valve seal ball 16 open from gas spring valve body return-air hole 13, gas is crossed from gas spring
Hole 34 enters in spring air storing cavity 22；Spring works cylinder 11 is used to absorb the energy generated when impact at this time；
When 9 compressed spring 11 volume of working cylinder of piston, 25 volume of vibration damping working cylinder becomes larger, the pressure in vibration damping working cylinder 25
Less than the pressure in vibration damping air storing cavity 2, the gas in vibration damping air storing cavity 2 is made to wash vibration damping valve body 31 open from vibration damping valve body return-air hole 32
Ball sealer 27 enters from vibration damping air passing hole 26 in vibration damping working cylinder 25；It is conducive to spring works cylinder 11 so preferably to absorb
Impact the energy generated.
After having crossed convex road surface, impact releases, and piston 9 resets, and is inhaled when the gas release in spring works cylinder 11 is impacted at this time
The energy of receipts, 11 volume of spring works cylinder become larger, and the pressure in spring air storing cavity 22 is more than the pressure in spring works cylinder 11, gas
Spring valve body 12 is closed, and the gas in spring air storing cavity 22 is made to enter spring works cylinder 11 from gas spring throttle orifice 30.Spring work
When making the energy absorbed when the release impact of cylinder 11, piston 9 compresses the volume of vibration damping working cylinder 25, makes the pressure in vibration damping working cylinder 25
Power is more than the pressure in vibration damping air storing cavity 2, and vibration damping valve body 31 is closed, and makes gas in vibration damping working cylinder 25 from vibration damping throttle orifice 29
Into in vibration damping air storing cavity 2, the impact energy after the decaying of 11 gas release of spring works cylinder is absorbed, then on gas temperature
It rises, impact energy is discharged into the atmosphere in the form of thermal energy.
In vehicle traveling process, when wheel is impacted by recessed road surface, piston rod 5 is moved with piston 9 in cylinder 24
Dynamic, piston 9 compresses 25 volume of vibration damping working cylinder, and the pressure in vibration damping working cylinder 25 is made to be more than the pressure in vibration damping air storing cavity 2, this
When, vibration damping valve body 31 is closed, and so that the gas in vibration damping working cylinder 25 is passed through vibration damping throttle orifice 29 and is entered in vibration damping air storing cavity 2；This
When the energy that generates when being impacted for absorbing of vibration damping working cylinder 25；
When piston 9 presses vibration damping 25 volume of working cylinder, 11 volume of spring works cylinder becomes larger, and the pressure in spring works cylinder 11 is small
Pressure in spring air storing cavity 22, gas spring valve body 12 are closed, and the gas in vibration damping air storing cavity 2 is made to pass through gas spring throttle orifice
30 enter in spring works cylinder 11；It is come into full contact with conducive to wheel and ground.
After having crossed convex road surface, impact releases, and piston 9 resets, and is inhaled when the gas release in vibration damping working cylinder 25 is impacted at this time
The energy of receipts, 25 volume of vibration damping working cylinder become larger, and the pressure in vibration damping air storing cavity 2 is more than the pressure in vibration damping working cylinder 25, makes
Gas in vibration damping air storing cavity 2 washes 31 ball sealer 27 of vibration damping valve body open from vibration damping valve body return-air hole 32, from vibration damping air passing hole 26 into
Enter to enter in vibration damping working cylinder 25.When the energy absorbed when the release impact of vibration damping working cylinder 25,9 compressed spring working cylinder 11 of piston
Volume, so that pressure in spring works cylinder 11 is more than the pressure in spring air storing cavity 22, make the gas in spring works cylinder 11
Gas spring valve seal ball 16 is washed open from gas spring valve body return-air hole 13, enters spring air storing cavity 22 from gas spring air passing hole 34
It is interior, the impact energy after the decaying of 25 gas release of vibration damping working cylinder is absorbed, then gas temperature rises, and impact energy is with heat
The form of energy is discharged into the atmosphere.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (8)
1. a kind of cartridge type air spring, it is characterised in that：It includes cylinder（24）With setting in cylinder（24）Interior piston component,
The piston component includes piston rod（5）And piston（9）；The piston（9）By cylinder（24）It is separated into vibration damping working cylinder（25）
With spring works cylinder（11）, the vibration damping working cylinder（25）With spring works cylinder（11）Inside it is filled with high pressure gas；
The piston rod（5）Inside is cavity, and the cavity is vibration damping air storing cavity（2）, the vibration damping air storing cavity（2）With vibration damping work
Make cylinder（25）Connection, the vibration damping working cylinder（25）With vibration damping air storing cavity（2）Between be provided with vibration damping valve body（31）, the damper valve
Body（31）For controlling vibration damping working cylinder（25）With vibration damping air storing cavity（2）Break-make；The vibration damping valve body（31）On be additionally provided with
Vibration damping throttle orifice（29）, the vibration damping throttle orifice（29）By vibration damping working cylinder（25）With vibration damping air storing cavity（2）Connection；
The spring works cylinder（11）With spring air storing cavity（22）Connection, the spring works cylinder（11）With spring air storing cavity（22）
Between be provided with gas spring valve body（12）, the gas spring valve body（12）For controlling spring works cylinder（11）With spring air storing cavity
（22）Break-make, the gas spring valve body（12）On be additionally provided with gas spring throttle orifice（30）, the gas spring throttle orifice（30）
By spring works cylinder（11）With spring air storing cavity（22）Connection.
2. cartridge type air spring according to claim 1, it is characterised in that：The cylinder（24）It is placed in inflator（10）It is interior,
Institute's spring air storing cavity（22）It is arranged in inflator（10）It is interior, it is located at cylinder（24）Outside；The vibration damping working cylinder（25）Inside it is provided with
Piston rod guide sleeve（7）.
3. cartridge type air spring according to claim 1, it is characterised in that：The piston（9）On be provided with vibration damping valve body
Installation cavity, the vibration damping valve body installation cavity and vibration damping working cylinder（25）With vibration damping air storing cavity（2）Connection, the vibration damping valve body（31）
In vibration damping valve body installation cavity；The vibration damping valve body installation cavity is inserted into piston（9）Interior and piston（9）It is threadedly coupled.
4. cartridge type air spring according to claim 1, it is characterised in that：The piston（9）On be provided with piston seal
Air flue is provided with piston seal, institute's piston seal and cylinder in piston seal air passage outlet end（24）Side wall contacts；
Piston seal tracheal entrance end and cylinder（24）Inside connection, makes cylinder（24）Interior gas is from piston seal tracheal entrance
End enters extrusion piston sealing element in piston seal air flue, makes piston seal compression cylinder（24）Side wall.
5. cartridge type air spring according to claim 2, it is characterised in that：The piston rod guide sleeve（7）On be provided with
Piston rod packing air flue（28）, the piston rod packing air flue（28）Outlet end is provided with piston rod seal component（33）, institute's piston
Shaft seal（33）With piston rod（5）Side wall contacts；The piston rod packing air flue（28）Input end and cylinder（24）Inside connects
It is logical, make cylinder（24）Interior gas is from piston rod packing air flue（28）Input end enters piston rod packing air flue（28）Interior extruding is lived
Rod seal part（33）, make piston rod seal component（33）Clamping piston bar（5）Side wall.
6. cartridge type air spring according to claim 1, it is characterised in that：The piston（9）On be provided with piston lubrication
Oil duct（21）, the piston lubrication oil duct（21）Sliding block is provided in input end（18）, the sliding block（18）Side and cylinder
（24）Interior gas contact, the other side and piston lubrication oil duct（21）Interior lubricating oil contact；The piston lubrication oil duct（21）
Outlet end and cylinder（24）Side wall contacts；Cylinder（24）Interior gas extrusion sliding block（18）, make sliding block（18）To piston lubrication oil
Road（21）Interior movement, by piston lubrication oil duct（21）Interior lubricating oil is from piston lubrication oil duct（21）Outlet squeezes out.
7. cartridge type air spring according to claim 2, it is characterised in that：Institute's piston rod（5）On be provided with vibration damping work
Cylinder inflates air nozzle（3）, vibration damping working cylinder inflation air nozzle（3）With vibration damping air storing cavity（2）Connection；The inflator（10）On be provided with bullet
Spring working cylinder inflates air nozzle（17）, institute's spring works cylinder inflation air nozzle（17）With spring air storing cavity（22）Connection.
8. the cartridge type air spring according to claim 2 or 7, it is characterised in that：The piston（9）Cylinder end portion is provided with vehicle
Bridging connector（1）；The inflator（10）Bottom is provided with vehicle frame coupling head（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610461.6U CN207715619U (en) | 2017-11-28 | 2017-11-28 | A kind of cartridge type air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610461.6U CN207715619U (en) | 2017-11-28 | 2017-11-28 | A kind of cartridge type air spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715619U true CN207715619U (en) | 2018-08-10 |
Family
ID=63057475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721610461.6U Active CN207715619U (en) | 2017-11-28 | 2017-11-28 | A kind of cartridge type air spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956833A (en) * | 2017-11-28 | 2018-04-24 | 汪平和 | A kind of cartridge type air spring |
| CN110242526A (en) * | 2019-05-06 | 2019-09-17 | 中国科学院理化技术研究所 | Gas spring ejector and thermoacoustic engine system |
-
2017
- 2017-11-28 CN CN201721610461.6U patent/CN207715619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956833A (en) * | 2017-11-28 | 2018-04-24 | 汪平和 | A kind of cartridge type air spring |
| CN110242526A (en) * | 2019-05-06 | 2019-09-17 | 中国科学院理化技术研究所 | Gas spring ejector and thermoacoustic engine system |
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Effective date of registration: 20181121 Address after: 641421 Xiyin Village, Jiajia Town, Jiayang City, Chengdu City, Sichuan Province Patentee after: Sichuan provincial and air pressure shock absorber Co., Ltd. Address before: 641421 No. 390 West Central Road, Jiajia Town, Jianyang City, Chengdu City, Sichuan Province Patentee before: Wang Pinghe |
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| TR01 | Transfer of patent right |