CN105715725A - Gas spring suitable for changeable loads - Google Patents
Gas spring suitable for changeable loads Download PDFInfo
- Publication number
- CN105715725A CN105715725A CN201610229182.9A CN201610229182A CN105715725A CN 105715725 A CN105715725 A CN 105715725A CN 201610229182 A CN201610229182 A CN 201610229182A CN 105715725 A CN105715725 A CN 105715725A
- Authority
- CN
- China
- Prior art keywords
- piston rod
- piston
- shaft shoulder
- described piston
- air spring
- 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.)
- Pending
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0218—Mono-tubular units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0281—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to the technical field of gas springs, in particular to a gas spring suitable for changeable loads. The gas spring comprises a pressure pipe with a piston cavity, a sealing assembly, a piston rod and a piston. The sealing assembly is mounted at the head end of the piston cavity, the piston is arranged in the piston cavity in a sliding manner, the piston rod is inserted in the piston cavity, one end of the piston rod is fixedly connected with the piston, and the other end of the piston rod stretches out of the piston cavity; and a shaft shoulder is arranged at the position, located above the piston, of the piston rod, and a reinforcing plate is arranged between the lower surface of the shaft shoulder and the piston rod. According to the gas spring suitable for the changeable loads, the shaft shoulder is additionally arranged on the piston rod, collision between the piston and the sealing assembly is prevented, the service life of the piston is effectively prolonged, an annular sewage sump can remove dirt on the piston rod, motion flexibility of the piston rod is ensured, and meanwhile sealing between the sealing assembly and the piston rod is improved.
Description
Technical field
The present invention relates to gas spring technology field, especially a kind of air spring suitable in changing load.
Background technology
Owing to air spring has relatively desirably conic section force variation characteristic, it is widely used in many industries such as automobile industry, printing machinery, medical apparatus and instruments, office equipment, Furniture manufacture, industrial machinery, Aero-Space, locomotive manufacturing at present, when existing air spring is applied in the occasion of changing load, frequent motion due to piston rod, piston is often and the black box of top impacts, collision, causing the Joint failure between piston and piston rod for a long time, time serious, piston can ftracture and scrap.
Summary of the invention
The technical problem to be solved in the present invention is: in order to solve in prior art when the occasion of changing load, frequent motion due to piston rod, piston often collides with the black box of top, the problem that can cause Joint failure between piston and piston rod for a long time, now provides a kind of air spring suitable in changing load.
The technical solution adopted for the present invention to solve the technical problems is: a kind of air spring suitable in changing load, including the manometer tube with plunger shaft, black box, piston rod and piston, described black box is arranged on the head end of described plunger shaft, described piston is slidably arranged in described plunger shaft, described piston rod is plugged in described plunger shaft, one end of described piston rod is fixing with described piston to be connected, the other end of described piston rod stretches out described plunger shaft, the top being positioned at described piston on described piston rod has the shaft shoulder, it is provided with reinforcement plate between lower surface and the described piston rod of the described shaft shoulder.
By arranging the shaft shoulder on the piston rod in this programme; in the process risen on the piston rod, the shaft shoulder collides with black box, and piston will not contact with black box; being effectively protected piston, the reinforcement plate between lower surface and the piston rod of the shaft shoulder can increase the intensity of the shaft shoulder.
Further; described black box includes the lip ring of quality of rubber materials; described sealing member is arranged on the head end in described manometer tube upper piston chamber; the inner ring wall of described sealing member and described plunger rod contacts; the inner ring wall of described sealing member offers annular sewage sump; piston rod usually can attach dirt when piston rod moves back and forth; greatly reduce the flexibility ratio of piston rod; annular sewage sump can in the reciprocating process of piston rod; dirt removal on piston rod is collected in annular sewage sump, it is ensured that the motility of piston rod.
Further, the junction arc transition of the lower surface of the described shaft shoulder and described piston rod, adopt arc transition to be possible to prevent the stress when the shaft shoulder is with piston collisions to concentrate between the shaft shoulder and piston rod.
Preferably, described reinforcement is circularly and evenly distributed on described piston rod.
The invention has the beneficial effects as follows: the air spring being applicable to changing load of the present invention is by setting up the shaft shoulder on the piston rod, prevent piston and black box collision, effectively raise the service life of piston, annular sewage sump can remove the dirt on piston rod, ensure the motility of piston rod movement, improve the sealing between black box and piston rod simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the schematic diagram that the present invention is applicable to the air spring of changing load.
In figure: 1, manometer tube, 101, plunger shaft, 2, sealing member, 201, annular sewage sump, 3, piston rod, 4, piston, 5, the shaft shoulder, 6, strengthen plate.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is only described in a schematic way, and therefore it only shows the composition relevant with the present invention.
Embodiment 1
As shown in Figure 1, a kind of air spring suitable in changing load, including the manometer tube 1 with plunger shaft 101, black box, piston rod 3 and piston 4, described black box is arranged on the head end of described plunger shaft 101, described piston 4 is slidably arranged in described plunger shaft 101, described piston rod 3 is plugged in described plunger shaft 101, one end of described piston rod 3 is fixing with described piston 4 to be connected, the other end of described piston rod 3 stretches out described plunger shaft 101, the top being positioned at described piston 4 on described piston rod 3 has the shaft shoulder 5, distance between the upper surface of the shaft shoulder 5 lower surface and piston 4 is 2mm, reinforcement plate 6 it is provided with between lower surface and the described piston rod 3 of the described shaft shoulder 5.
Described black box includes the lip ring 2 of quality of rubber materials; described sealing member 2 is arranged on the head end in described manometer tube 1 upper piston chamber 101; the inner ring wall of described sealing member 2 contacts with described piston rod 3; the inner ring wall of described sealing member 2 offers annular sewage sump 201; piston rod 3 usually can attach dirt when piston rod 3 moves back and forth; greatly reduce the flexibility ratio of piston rod 3; annular sewage sump 201 can in the reciprocating process of piston rod 3; dirt removal on piston rod 3 is collected in annular sewage sump 201, it is ensured that the motility of piston rod 3.
The lower surface of the described shaft shoulder 5 and the junction arc transition of described piston rod 3, adopt arc transition to be possible to prevent the stress when the shaft shoulder 5 collides with piston 4 to concentrate between the shaft shoulder 5 and piston rod 3.
Described reinforcement is circularly and evenly distributed on described piston rod 3.
Compared with prior art the present invention be applicable to changing load air spring by arranging the shaft shoulder 5 on piston rod 3; in the process that piston rod 3 rises; the shaft shoulder 5 and black box collision; and piston 4 will not contact with black box; it is effectively protected piston 4; reinforcement plate 6 between lower surface and the piston rod 3 of the shaft shoulder 5 can increase the intensity of the shaft shoulder 5; annular sewage sump 201 can in the reciprocating process of piston rod 3; dirt removal on piston rod 3 is collected in annular sewage sump 201, it is ensured that the motility of piston rod 3.
The above-mentioned desirable embodiment according to the present invention is enlightenment, and by above-mentioned description, relevant staff in the scope not necessarily departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content in description, it is necessary to determine its technical scope according to right.
Claims (4)
1. the air spring being applicable to changing load, it is characterized in that: include having the manometer tube (1) of plunger shaft (101), black box, piston rod (3) and piston (4), described black box is arranged on the head end of described plunger shaft (101), described piston (4) is slidably arranged in described plunger shaft (101), described piston rod (3) is plugged in described plunger shaft (101), one end of described piston rod (3) is fixing with described piston (4) to be connected, the other end of described piston rod (3) stretches out described plunger shaft (101), the top being positioned at described piston (4) on described piston rod (3) has the shaft shoulder (5), reinforcement plate (6) it is provided with between lower surface and the described piston rod (3) of the described shaft shoulder (5).
2. the air spring suitable in changing load according to claim 1, it is characterized in that: described black box includes the lip ring (2) of quality of rubber materials, described sealing member (2) is arranged on the head end in described manometer tube (1) upper piston chamber (101), the inner ring wall of described sealing member (2) contacts with described piston rod (3), and the inner ring wall of described sealing member (2) offers annular sewage sump (201).
3. the air spring suitable in changing load according to claim 1, it is characterised in that: the junction arc transition of the lower surface of the described shaft shoulder (5) and described piston rod (3).
4. the air spring suitable in changing load according to claim 1, it is characterised in that: described reinforcement is circularly and evenly distributed on described piston rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610229182.9A CN105715725A (en) | 2016-04-13 | 2016-04-13 | Gas spring suitable for changeable loads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610229182.9A CN105715725A (en) | 2016-04-13 | 2016-04-13 | Gas spring suitable for changeable loads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105715725A true CN105715725A (en) | 2016-06-29 |
Family
ID=56159899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610229182.9A Pending CN105715725A (en) | 2016-04-13 | 2016-04-13 | Gas spring suitable for changeable loads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105715725A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431887A (en) * | 2020-12-11 | 2021-03-02 | 苏州市通吉汽车零部件有限公司 | Inflatable double-cylinder shock absorber and production process thereof |
| CN115468056A (en) * | 2022-10-19 | 2022-12-13 | 秦皇岛市政建设集团有限公司 | Pipeline gallows antidetonation down tube |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8518350U1 (en) * | 1985-06-25 | 1985-10-24 | Groba-Metallwarenfabrik Ing. Herbert Grobe KG, 4690 Herne | Gas spring |
| JPH05321969A (en) * | 1992-05-20 | 1993-12-07 | Tokico Ltd | Cylinder device |
| US5535862A (en) * | 1994-04-15 | 1996-07-16 | Acg Deutschland Gmbh | Suspension strut with quiet rebound stop |
| US20030051957A1 (en) * | 2001-09-14 | 2003-03-20 | Rene Lemieux | Shock absorber with a floating piston |
| CN201568511U (en) * | 2009-05-12 | 2010-09-01 | 上海湘俊气弹簧有限公司 | Self balance type gas spring |
| CN203348417U (en) * | 2013-06-18 | 2013-12-18 | 青岛阿尔斯通铁路设备有限公司 | Novel stroke guarantee shock absorber |
| CN203362978U (en) * | 2013-07-12 | 2013-12-25 | 长沙理工大学 | Anti-interference structure provided with lining and used for preventing leakage of and isolating extended shaft containing cavity of shock absorber through clip |
| CN203395071U (en) * | 2013-08-27 | 2014-01-15 | 温州市盖茨汽车配件有限公司 | Automobile damper with over-voltage protection |
| CN203868213U (en) * | 2014-04-28 | 2014-10-08 | 贵州龙飞气弹簧有限责任公司 | Variable damping gas spring |
| CN205446517U (en) * | 2016-04-13 | 2016-08-10 | 常州气弹簧有限公司 | Air spring suitable for load is changeable |
-
2016
- 2016-04-13 CN CN201610229182.9A patent/CN105715725A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8518350U1 (en) * | 1985-06-25 | 1985-10-24 | Groba-Metallwarenfabrik Ing. Herbert Grobe KG, 4690 Herne | Gas spring |
| JPH05321969A (en) * | 1992-05-20 | 1993-12-07 | Tokico Ltd | Cylinder device |
| US5535862A (en) * | 1994-04-15 | 1996-07-16 | Acg Deutschland Gmbh | Suspension strut with quiet rebound stop |
| US20030051957A1 (en) * | 2001-09-14 | 2003-03-20 | Rene Lemieux | Shock absorber with a floating piston |
| CN201568511U (en) * | 2009-05-12 | 2010-09-01 | 上海湘俊气弹簧有限公司 | Self balance type gas spring |
| CN203348417U (en) * | 2013-06-18 | 2013-12-18 | 青岛阿尔斯通铁路设备有限公司 | Novel stroke guarantee shock absorber |
| CN203362978U (en) * | 2013-07-12 | 2013-12-25 | 长沙理工大学 | Anti-interference structure provided with lining and used for preventing leakage of and isolating extended shaft containing cavity of shock absorber through clip |
| CN203395071U (en) * | 2013-08-27 | 2014-01-15 | 温州市盖茨汽车配件有限公司 | Automobile damper with over-voltage protection |
| CN203868213U (en) * | 2014-04-28 | 2014-10-08 | 贵州龙飞气弹簧有限责任公司 | Variable damping gas spring |
| CN205446517U (en) * | 2016-04-13 | 2016-08-10 | 常州气弹簧有限公司 | Air spring suitable for load is changeable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431887A (en) * | 2020-12-11 | 2021-03-02 | 苏州市通吉汽车零部件有限公司 | Inflatable double-cylinder shock absorber and production process thereof |
| CN115468056A (en) * | 2022-10-19 | 2022-12-13 | 秦皇岛市政建设集团有限公司 | Pipeline gallows antidetonation down tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160629 |
|
| RJ01 | Rejection of invention patent application after publication |