CN202118178U - Repairable gas spring - Google Patents
Repairable gas spring Download PDFInfo
- Publication number
- CN202118178U CN202118178U CN2011201693080U CN201120169308U CN202118178U CN 202118178 U CN202118178 U CN 202118178U CN 2011201693080 U CN2011201693080 U CN 2011201693080U CN 201120169308 U CN201120169308 U CN 201120169308U CN 202118178 U CN202118178 U CN 202118178U
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- CN
- China
- Prior art keywords
- hole
- valve body
- boss
- screw
- 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.)
- Expired - Fee Related
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Abstract
A repairable gas spring relates to the structure of gas springs and comprises a cylinder barrel. The rear end of the cylinder barrel is connected with a rear plug, a first through hole and a second through hole are axially arranged in the rear plug, and the diameter of the first through hole is larger than that of the second through hole. A valve body, a spring and a screw are arranged in the first through hole, the rear end of the valve body is arranged in the second through hole in penetrating mode, the middle portion of the valve body is integrally provided with a boss, and the diameter of the boss is smaller than that of the first through hole. A sealing ring is sleeved on the valve body arranged on the rear side of the boss, the sealing ring is arranged in the first through hole, the spring is arranged between the boss and the screw, the screw is in thread connection with the front end of the rear plug, and a third through hole is axially arranged in the screw. An inflation check valve is formed in the rear plug, and when inflation is finished, the valve body and the sealing ring move backwards under the effect of the spring, therefore, the check valve is closed automatically. When pressure needs to be raised again, users just need to turn up the inflation pressure and continue to inflate, and then the sealing ring and the valve body move forwards. Therefore, gas enters the first through hole from the second through hole and then enters the cylinder barrel.
Description
Technical field
The utility model relates to the field of a kind of spring, vibration damper, damping device, particularly the structure of air spring.
Background technique
Air spring is a kind ofly can play support, buffering, braking, highly regulate and the accessory of function such as angle adjustment, is widely used in fields such as medical equipment, automobile, furniture, Weaving device, machine-building.Principle is in airtight cylinder barrel, to charge into inert gas or gas mixture; Make the pressure in the cavity be higher than atmospheric several times or tens times, thereby the pressure difference that the cross-section area that utilizes piston rod produces less than the cross-section area of piston realize the motion of piston rod.At present, inflate behind the air spring---charge into preset air pressure gas after, be pressed into the steel ball shutoff; Or preceding inflation---charge into preset air pressure gas after, not enough technology after the dynamometry in tonifying Qi.Basically can not adjust again after the method inflation.The reject rate that causes because of the inflation operation is high, the particularly trial-production of the production of initial workpiece and new product.
Summary of the invention
The purpose of the utility model is in order to overcome the deficiency of existing technology, a kind of air spring repaired that repeats to charge and discharge gas to be provided.
The purpose of the utility model is achieved in that can repair air spring, comprises cylinder barrel, and it is stifled that the rear end of cylinder barrel connects the back; In said back is stifled first through hole and second through hole are set axially, the rear end of first through hole connects the front end of second through hole, and the diameter of first through hole is greater than second through hole; Valve body, spring and screw are set in first through hole, and the rear end of valve body is set in second through hole, and the middle part disjunctor of valve body is provided with boss; The diameter of boss is less than the diameter of first through hole; The valve body of boss rear side is nested with seal ring outward, and seal ring is arranged in first through hole, and spring is arranged between boss and the screw; Screw is threaded with the stifled front end in back, and third through-hole axially is set in the screw.
The utility model forms an inflation one-way valve through above design in the back is stifled, because the effect of spring is moved valve body and seal ring backward, one-way valve is closed automatically, need not to be pressed into the steel ball shutoff after inflation finishes.If need improve pressure again; Only need heighten inflation pressure continues to fill benefit, and this moment, seal ring and valve body moved forward, and gas gets into first through hole from second through hole and gets in the cylinder barrel again; Need not to prescind steel ball (prescind steel ball and can shorten size, and plenum chamber to cut off steel ball more incomplete).
Description of drawings
Fig. 1 is a kind of structural representation of the utility model.
Fig. 2 is an A portion enlarged view among Fig. 1.
Among the figure, 1 back is stifled, 2 cylinder barrels, 3 screws, 4 third through-holes, 5 springs, 6 boss, 7 seal rings, 8 valve bodies, 9 second through holes, 10 first through holes.
Embodiment
Like Fig. 1, shown in 2, the utility model comprises cylinder barrel 2, and the rear end of cylinder barrel 2 connects back stifled 1; The rear end that first through hole 10 and second through hole, 9, the first through holes 10 axially are set in the back stifled 1 connects the front end of second through hole 9, and the diameter of first through hole 10 is greater than second through hole 9; Valve body 8, spring 5 and screw 3 are set in first through hole 10, and the rear end of valve body 8 is set in second through hole 9, and the middle part disjunctor of valve body 8 is provided with boss 6; The diameter of boss 6 is less than the diameter of first through hole 10; Be nested with seal ring 7 outside the valve body 8 of boss 6 rear sides, seal ring 7 is arranged in first through hole 10, and spring 5 is arranged between boss 6 and the screw 3; Screw 3 is threaded with the front end of back stifled 1, and third through-hole 4 axially is set in the screw 3.
Claims (1)
1. can repair air spring, comprise cylinder barrel, it is stifled that the rear end of cylinder barrel connects the back; It is characterized in that: in said back is stifled first through hole and second through hole are set axially, the rear end of first through hole connects the front end of second through hole, and the diameter of first through hole is greater than second through hole; Valve body, spring and screw are set in first through hole, and the rear end of valve body is set in second through hole, and the middle part disjunctor of valve body is provided with boss; The diameter of boss is less than the diameter of first through hole, and the valve body of boss rear side is nested with seal ring outward, and seal ring is arranged in first through hole; Spring is arranged between boss and the screw, and screw is threaded with the stifled front end in back, and third through-hole axially is set in the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201693080U CN202118178U (en) | 2011-05-25 | 2011-05-25 | Repairable gas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201693080U CN202118178U (en) | 2011-05-25 | 2011-05-25 | Repairable gas spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118178U true CN202118178U (en) | 2012-01-18 |
Family
ID=45459245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201693080U Expired - Fee Related CN202118178U (en) | 2011-05-25 | 2011-05-25 | Repairable gas spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202118178U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207157A (en) * | 2011-05-25 | 2011-10-05 | 扬州市明瑞气弹簧有限公司 | Repairable gas spring |
| CN105065542A (en) * | 2015-09-18 | 2015-11-18 | 珠海市业成轨道交通设备科技有限公司 | Piston unit of oil-pressure damper for rail locomotive |
-
2011
- 2011-05-25 CN CN2011201693080U patent/CN202118178U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207157A (en) * | 2011-05-25 | 2011-10-05 | 扬州市明瑞气弹簧有限公司 | Repairable gas spring |
| CN105065542A (en) * | 2015-09-18 | 2015-11-18 | 珠海市业成轨道交通设备科技有限公司 | Piston unit of oil-pressure damper for rail locomotive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20140525 |