CN109322960A - The rigid self-locking gas spring of the outer air bag of low pressure - Google Patents
The rigid self-locking gas spring of the outer air bag of low pressure Download PDFInfo
- Publication number
- CN109322960A CN109322960A CN201811499497.0A CN201811499497A CN109322960A CN 109322960 A CN109322960 A CN 109322960A CN 201811499497 A CN201811499497 A CN 201811499497A CN 109322960 A CN109322960 A CN 109322960A
- Authority
- CN
- China
- Prior art keywords
- piston
- air bag
- needle
- valve
- cylinder barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/08—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall
- F16F9/088—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall comprising a gas spring with a flexible wall provided within the cylinder on the piston rod of a monotubular damper or within the inner tube of a bitubular damper
-
- 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
-
- 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
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
-
- 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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
-
- 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
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
Abstract
The present invention relates to air bag rigidly self-locking gas spring, including starting bar outside a kind of low pressure, piston rod, piston, needle-valve, cylinder barrel, guide sleeve, straight outside framework oil seal, separation sleeve, air bag, tail be stifled, steel needle;One end of the cylinder barrel is stifled by tail and steel needle seals, and the other end installs piston;The piston and piston rod are connected, and set gradually separation sleeve, straight outside framework oil seal and guide sleeve between piston rod and cylinder barrel from inside to outside;Sliding fit is connected with needle-valve in the piston, and the center that needle-valve passes through piston stretches in piston rod;The piston rod is hollow rod body, and inside is equipped with starting bar, and starting bar corresponds to needle-valve setting;Hydraulic oil is filled in the cylinder barrel, tail end is equipped with external air bag, and air bag is connect with cylinder barrel by high-voltage tube, check valve is installed on pipeline, is filled with inert gas in air bag.
Description
Technical field
The present invention relates to gas spring fields, and in particular to a kind of rigid self-locking gas spring of the outer air bag of low pressure.
Background technique
Gas spring is, using compressed inert as elastomeric element, to realize support using hydraulic oil as power transmission medium, subtract
The functions such as shake.It is widely used in aviation, automobile, medical instruments field, the fields such as furniture, manufacturing industry, industrial automatic control.
Currently used gas spring is most of in the majority with air-fuel mixture, and gas spring is used for a long time, and gas therein can damage loss, not side
Just it replaces;And damage does not keep off the explosion for easily causing cylinder body.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of rigid self-locking gas springs of air bag outside low pressure.
The technical solution adopted by the present invention is that: a kind of outer air bag rigidly self-locking gas spring, including starting bar of low pressure, piston
Bar, piston, needle-valve, cylinder barrel, guide sleeve, straight outside framework oil seal, separation sleeve, air bag, tail be stifled, steel needle;One end of the cylinder barrel is by tail
The sealing of stifled and steel needle, the other end install piston;The piston and piston rod are connected, between piston rod and cylinder barrel from inside to outside successively
Separation sleeve, straight outside framework oil seal and guide sleeve are set;Sliding fit is connected with needle-valve in the piston, and the center that needle-valve passes through piston is stretched
Enter to piston rod;The piston rod is hollow rod body, and inside is equipped with starting bar, and starting bar corresponds to needle-valve setting;The cylinder
Hydraulic oil is filled in cylinder, tail end is equipped with external air bag, and air bag is connect by high-voltage tube with cylinder barrel, installs on pipeline unidirectional
Valve is filled with inert gas in air bag.
The cylinder barrel, piston rod port be respectively provided with closing in.
The contact position of the needle-valve and piston rod is equipped with sealing ring.
Gasket is set between the needle-valve and piston.
Overflow hole is opened up on the piston, there are gaps between piston and piston rod and separation sleeve.
The air bag installation is there are two high-voltage tube, and one is air inlet pipe, and one is muffler, divides in air inlet pipe and muffler
It An Zhuan not check valve.
In use, started by press bar, pushes needle-valve to open, hydraulic oil enters rod chamber, piston and piston rod by rodless cavity
It is moved under pressure along cylinder barrel, inert gas is squeezed, and partially enters air bag by air inlet pipe;Unclamp starting bar, needle-valve
Closure, gas spring locking;When pressure of the outer area load less than inert gas, starting bar is pressed, needle-valve is opened, and inert gas is by returning
Tracheae enters cylinder barrel, piston rod and piston overhanging reset under the effect of the pressure.
The pressure of inert gas is adjusted the beneficial effects of the present invention are: the setting of external air bag is convenient, reduces gas
Press the destruction to cylinder barrel;When air bag damage is convenient for changing;And cylinder barrel can be effectively prevent to explode, increase its safety;Suitably
Increase the compression travel of piston.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the rigid self-locking gas spring of the outer air bag of low pressure.
In figure, 1. starting bars, 2. piston rods, 3. pistons, 4. needle-valves, 5. cylinder barrels, 6. guide sleeves, 7. straight outside framework oil seals, 8.
Separation sleeve, 9. air bags, 10. tails are stifled, 11. steel needles, 12. high-voltage tubes, 12-1 air inlet pipe, 12-2. muffler, 13. check valves.
Specific embodiment
As shown in Figure 1, a kind of outer air bag rigidly self-locking gas spring, including starting bar 1 of low pressure, piston rod 2, piston 3, needle-valve
4, cylinder barrel 5, guide sleeve 6, straight outside framework oil seal 7, separation sleeve 8, air bag 9, tail block up 10, steel needle 11;One end of the cylinder barrel 5 is blocked up by tail
10 and steel needle 11 seal, the other end install piston 3;The piston 3 is connected with piston rod 2, by interior between piston rod 2 and cylinder barrel 5
Separation sleeve 8, straight outside framework oil seal 7 and guide sleeve 6 are set gradually outward;Sliding fit is connected with needle-valve 4 in the piston 3, and needle-valve 4 is worn
The center for crossing piston 3 stretches in piston rod 2;The piston rod 2 is hollow rod body, and inside is equipped with starting bar 1, starting bar 1
Corresponding needle-valve 4 is arranged;Be filled with hydraulic oil in the cylinder barrel 5, tail end is equipped with external air bag 9, air bag 9 by high-voltage tube 12 with
Cylinder barrel 5 connects, and check valve 13 is installed on pipeline, is filled with inert gas in air bag 9.
The cylinder barrel 5, piston rod 2 port be respectively provided with closing in.
The contact position of the needle-valve 4 and piston rod 2 is equipped with sealing ring.
Gasket is set between the needle-valve 4 and piston 3.
Overflow hole is opened up on the piston 3, there are gaps between piston 3 and piston rod 2 and separation sleeve 8.
The installation of air bag 9 is there are two high-voltage tube 12, and one is air inlet pipe 12-1, and one is muffler 12-2, air inlet pipe
Check valve 13 is installed respectively on 12-1 and muffler 12-2.
In use, started by press bar 1, pushes needle-valve 4 to open, hydraulic oil enters rod chamber, piston 3 and piston by rodless cavity
Bar 2 is moved along cylinder barrel 5 under pressure, and inert gas is squeezed, and partially enters gas by the check valve 13 of air inlet pipe 12-1
Capsule 9, the check valve 13 of muffler 12-2 is in closed state at this time;Starting bar 1 is unclamped, needle-valve 4 is closed, gas spring locking;When
Outer area load is less than the pressure of inert gas, presses starting bar 1, and needle-valve 4 is opened, inert gas by muffler 12-2 check valve
13 enter cylinder barrel 5, and the check valve 13 of air inlet pipe 12-1 is in closed state at this time;Piston rod 2 and piston 3 are under the effect of the pressure
Overhanging reset.
Claims (6)
1. a kind of rigid self-locking gas spring of the outer air bag of low pressure, which is characterized in that including starting bar, piston rod, piston, needle-valve, cylinder
Cylinder, guide sleeve, straight outside framework oil seal, separation sleeve, air bag, tail be stifled, steel needle;One end of the cylinder barrel is stifled by tail and steel needle seals, separately
One end is installed by piston;The piston and piston rod are connected, and set gradually separation sleeve, straight bone between piston rod and cylinder barrel from inside to outside
Frame oil sealing and guide sleeve;Sliding fit is connected with needle-valve in the piston, and the center that needle-valve passes through piston stretches in piston rod;Institute
Stating piston rod is hollow rod body, and inside is equipped with starting bar, and starting bar corresponds to needle-valve setting;It is filled in the cylinder barrel hydraulic
Oil, tail end are equipped with external air bag, and air bag is connect with cylinder barrel by high-voltage tube, check valve is installed on pipeline, is filled in air bag
Inert gas.
2. a kind of rigid self-locking gas spring of the outer air bag of low pressure according to claim 1, which is characterized in that the cylinder barrel, work
The port of stopper rod is respectively provided with closing in.
3. a kind of rigid self-locking gas spring of the outer air bag of low pressure according to claim 1, which is characterized in that the needle-valve and work
The contact position of stopper rod is equipped with sealing ring.
4. a kind of rigid self-locking gas spring of the outer air bag of low pressure according to claim 1, which is characterized in that the needle-valve and work
Gasket is set between plug.
5. a kind of rigid self-locking gas spring of the outer air bag of low pressure according to claim 1, which is characterized in that opened on the piston
If overflow hole, there are gaps between piston and piston rod and separation sleeve.
6. a kind of rigid self-locking gas spring of the outer air bag of low pressure according to claim 1, which is characterized in that the air bag installation
There are two high-voltage tube, one is air inlet pipe, and one is muffler, installs check valve respectively on air inlet pipe and muffler;
In use, started by press bar, pushes needle-valve to open, hydraulic oil enters rod chamber, piston and piston rod by rodless cavity and is pressing
Power acts on the movement of lower edge cylinder barrel, and inert gas is squeezed, and partially enters air bag by air inlet pipe;Starting bar is unclamped, needle-valve is closed,
Gas spring locking;When pressure of the outer area load less than inert gas, starting bar is pressed, needle-valve is opened, and inert gas is by muffler
Into cylinder barrel, piston rod and piston overhanging reset under the effect of the pressure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811499497.0A CN109322960A (en) | 2018-12-09 | 2018-12-09 | The rigid self-locking gas spring of the outer air bag of low pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811499497.0A CN109322960A (en) | 2018-12-09 | 2018-12-09 | The rigid self-locking gas spring of the outer air bag of low pressure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109322960A true CN109322960A (en) | 2019-02-12 |
Family
ID=65256843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811499497.0A Withdrawn CN109322960A (en) | 2018-12-09 | 2018-12-09 | The rigid self-locking gas spring of the outer air bag of low pressure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109322960A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110685195A (en) * | 2019-09-18 | 2020-01-14 | 王檬悦 | Rail transit vibration damping mount |
CN112145604A (en) * | 2020-10-23 | 2020-12-29 | 河北机电职业技术学院 | Adjustable hydraulic shock absorber |
CN113280067A (en) * | 2021-04-28 | 2021-08-20 | 徐州东宏机械制造有限公司 | Flexible air spring of flexible range |
CN115949805A (en) * | 2023-03-10 | 2023-04-11 | 荣成康怡新材料科技有限公司 | Car as a house blow off pipe supports fixing device |
-
2018
- 2018-12-09 CN CN201811499497.0A patent/CN109322960A/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110685195A (en) * | 2019-09-18 | 2020-01-14 | 王檬悦 | Rail transit vibration damping mount |
CN112145604A (en) * | 2020-10-23 | 2020-12-29 | 河北机电职业技术学院 | Adjustable hydraulic shock absorber |
CN113280067A (en) * | 2021-04-28 | 2021-08-20 | 徐州东宏机械制造有限公司 | Flexible air spring of flexible range |
CN115949805A (en) * | 2023-03-10 | 2023-04-11 | 荣成康怡新材料科技有限公司 | Car as a house blow off pipe supports fixing device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109322960A (en) | The rigid self-locking gas spring of the outer air bag of low pressure | |
CN108006260B (en) | A kind of vacuum pipe clip valve being applied in vacuum system and its control method | |
US4909488A (en) | Gas spring having a plurality of pressure chambers arranged one behind another | |
CN103603975B (en) | Multistage hydraulic cylinder | |
RU2010121896A (en) | INCREASED LEAKAGE DEVICE FOR FLUID DISCHARGE | |
CN104235251A (en) | A double-barrel multi-chamber spring with an adjustable stroke | |
CN204099333U (en) | A kind of double-action single-stage cylinder | |
CN209324917U (en) | The rigid self-locking gas spring of the outer air bag of low pressure | |
CN202971942U (en) | Pneumatic control two-way valve | |
CN106232185B (en) | For the piercing device used in drill and fire fighting truck | |
CN209324916U (en) | The rigid self-locking gas spring of the two-tube interior air bag of low pressure | |
CN106969083B (en) | A kind of novel undercarriage buffer | |
CN106122341A (en) | A kind of air spring of unidirectional damping type | |
CN109340292A (en) | The rigid self-locking gas spring of the two-tube interior air bag of low pressure | |
CN203308998U (en) | Pull-type controllable gas spring | |
CN205533543U (en) | Hydro -cylinder with integrated hydraulic pressure lock cylinder end | |
CN107339358A (en) | A kind of pressure difference is less to lock gas spring | |
CN207364165U (en) | A kind of pressure difference is less to lock gas spring | |
CN106870503A (en) | The double rod Multifunctional hydraulic devices of many cavity volumes | |
WO2020034551A1 (en) | Self-locking synchronized multi-stage gas spring | |
CN103133586B (en) | Lockable piston-cylinder unit | |
CN208778559U (en) | A kind of synchronous interaction formula gas spring | |
CN216951848U (en) | Pipeline test liquid pressure conversion device | |
CN109723308A (en) | A kind of releasing pressure automatically door closer | |
CN108953454A (en) | The free gas spring of big stroke |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190212 |