CN201507592U - Gas spring - Google Patents
Gas spring Download PDFInfo
- Publication number
- CN201507592U CN201507592U CN2009201597404U CN200920159740U CN201507592U CN 201507592 U CN201507592 U CN 201507592U CN 2009201597404 U CN2009201597404 U CN 2009201597404U CN 200920159740 U CN200920159740 U CN 200920159740U CN 201507592 U CN201507592 U CN 201507592U
- Authority
- CN
- China
- Prior art keywords
- piston rod
- pipe
- outer tube
- piston
- valve body
- 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
Links
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 238000009423 ventilation Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Landscapes
- Types And Forms Of Lifts (AREA)
Abstract
The utility model relates to a gas spring, which consists of an outer riser and a pneumatic lifting device. The pneumatic lifting device is inserted in the outer riser and comprises an outer pipe, a piston rod, an inner pipe and a valve seat with a starting button, wherein the valve seat is clamped in one end in the outer pipe, the starting button is exposed out of the upper end of the outer pipe; the piston rod penetrates through the inner pipe, one end of the piston rod is exposed out of the inner pipe and is connected with a ventilation support seat, a Y-shaped ring and a press ring, the other end of the piston rod is connected with a piston, a seal ring is sleeved on the piston, the outer side of the piston on the end of the inner pipe is connected with a valve body, the valve body is provided with a valve needle, a rubber ejection sleeve is arranged between the valve body and the piston; the valve body of the pneumatic lifting device is connected with the valve seat in the outer pipe, the piston rod is exposed out of the outer pipe, and the part of the piston rod exposed out of the outer pipe is sleeved with a cushion pad, a bearing and a flat pad; the inner pipe is made of plastics, the outer surface of the inner pipe is provided with a ventilation groove, and the inner pipe is tightly adhered to the outer pipe.
Description
Technical field
The utility model relates to a kind of air spring, particularly a kind of air spring that is applied on the swivel chair.
Background technique
Air spring is widely used in many industrial machineries, the traffic tool and the articles for daily use, for example chair pin of punch press, car boot cover, cabinet door leaf, office chair etc.
At present, air spring is made up of external riser and Pneumatic power elevator apparatus, Pneumatic power elevator apparatus is made of outer tube, start button, valve base, valve body, interior pipe, piston, piston rod, seal ring, cushion pad, bearing, bifurcation type circle, ventilation bearing, hold-down ring and plain cushion from outside to inside, be provided with interior pipe in the outer tube, interior pipe connects valve body; Piston, piston rod all are located in the interior pipe; The interior pipe of this air spring adopts seamless steel pipe more, and fricative noise is bigger between itself and the seal ring, and cost is higher; In addition, for the ease of managing interior gas communication, be provided with the space between outer tube and the interior pipe, She Ji shortcoming is to have weakened the support strength and the bend resistance dynamics of air spring like this.
The model utility content
The purpose of this utility model is to solve the problems of the prior art, provides that a kind of cost is low, noise is little, and the outer tube support strength reaches the air spring of strengthening the bend resistance dynamics greatly.
The technical solution of the utility model is: a kind of air spring, constitute by external riser and Pneumatic power elevator apparatus, and described Pneumatic power elevator apparatus cover is inserted in the external riser; Pneumatic power elevator apparatus comprises outer tube, piston rod, interior pipe and is provided with the valve base of start button, and this valve base is stuck in the end in the outer tube, and start button is exposed to this outer tube upper end; Described piston rod passes interior pipe, one end of piston rod is exposed to interior pipe, this end of piston rod is connected with ventilation bearing, Y-shaped ring, hold-down ring, the other end of piston rod is connected with piston, be with seal ring on the piston, the outside of this inner tube piston is connected with valve body, and this valve body is provided with needle, is provided with the Jiao Ding cover between described valve body and the piston; The valve body of Pneumatic power elevator apparatus links to each other with valve base in the outer tube, and piston rod is exposed to outer tube, and the upper cover of piston rod that is exposed to outer tube has cushion pad, bearing, plain cushion; It is characterized in that:
Pipe is the interior pipe of plastic material in described, and outer surface of pipe is provided with vent grooves in this, and interior pipe and outer tube fit tightly.
The wall thickness of pipe is in described: 2.0～2.5mm.
Described piston rod one end that is exposed to outer tube is fixedlyed connected with external riser by jump ring.
Compare with the air spring of pipe in the metal material, the beneficial effects of the utility model are: increased the support strength of outer tube, increased the intensity of bend resistance, reduced the cost of product, and reduced the grating between interior pipe and the seal ring.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an exploded view of the present utility model;
Fig. 3 is the side view of interior pipe.
Embodiment
As shown in Figure 1, 2, air spring is made of external riser 1 and Pneumatic power elevator apparatus.Described Pneumatic power elevator apparatus comprises outer tube 2, piston rod 11, interior pipe 3 and is provided with the valve base 5 of start button 4, and this valve base 5 is stuck in the end in the outer tube 2, and start button 4 is exposed to this outer tube 2 upper ends, and described outer tube 2 covers are inserted in the external riser 1; Pipe 3 in described piston rod 11 passes, pipe 3 in one end of piston rod 11 is exposed to, this end is connected with ventilation bearing 12, Y-shaped ring 13, hold-down ring 14, the other end of piston rod 11 is connected with piston 10, be with seal ring 8 on the piston 10, should be connected with valve body 6 in the interior outside of managing 3 end pistons 10, this valve body 6 is provided with needle 7, is provided with Jiao Ding cover 9 between described valve body 6 and the piston 10; The valve body 6 of Pneumatic power elevator apparatus links to each other with valve base 5 in the outer tube, and piston rod 11 is exposed to outer tube 2, is exposed on the piston rod 11 of outer tube 2 and is with cushion pad 15, bearing 16, plain cushion 17; It is characterized in that: pipe 3 is the interior pipe 3 of plastic material in described, and as shown in Figure 3, outer surface of pipe 3 is provided with vent grooves 31 in this, and interior pipe 3 fits tightly with outer tube 2.
In order to guarantee the intensity of plastic inner pipe, need the wall thickness of pipe in the thickening usually, the wall thickness of pipe is generally 1mm in the metal material, and the wall thickness of plastic inner pipe is bigger 1.0～1.5 times than the wall thickness of metal inner pipe.For example the wall thickness of pipe is in the present embodiment: 2.5mm.
The purpose that the plastic inner pipe outer surface is provided with vent grooves is the circulation of gas in being convenient to manage.
Pipe 3 fits tightly with outer tube 2 in described, and She Ji purpose is like this: for support strength that increases the air spring pipe fitting and the intensity that increases the Pneumatic power elevator apparatus bend resistance.In the prior art,, between interior usually pipe and the outer tube bigger gap is arranged in order to guarantee to manage the circulation of interior gas, and the external diameter of pipe in can't increasing; Inner tube outer surface of the present invention is provided with vent grooves, has solved the problem of gas communication in the pipe, and pipe 3 can fit tightly with outer tube 2 in making, thereby has increased the support strength of air spring pipe fitting and the intensity of bend resistance.
Described piston rod 11 1 ends that are exposed to outer tube 2 are fixedlyed connected with external riser 1 by jump ring 18.
Assembling method of the present utility model: pipe 3 in 1, piston rod 11 passes, pipe 3 and outer tube 2 in one end of piston rod 11 is exposed to, piston rod 11 these ends are connected with ventilation bearing 12, Y-shaped ring 13, hold-down ring 14, be provided with Jiao Ding between described valve body 6 and the piston 10 and overlap 9 piston rods 11, piston rod 11 the other ends are connected with piston 10, be with seal ring 8 on the piston 10, outside of pipe 3 end pistons 10 is connected with valve body 6 in this, and this valve body 6 is provided with needle 7; 2, the valve base 5 that will the be provided with start button outer tube 2 of packing into, valve base 5 is stuck in the end in the outer tube 2, and start button 4 is exposed to this outer tube 2 ends; The interior pipe assembly that 3, will assemble is pressed into outer tube, and valve body 6 links to each other with valve base 5, and piston rod 11 is exposed to outer tube 2; 4, will ventilate bearing 12, Y-shaped ring 13, hold-down ring 14 is pressed into outer tube 2 successively; 5, outer tube 2 is sealed, inflated with nitrogen in it, the test tightness, the outer tube 2 of test passes can use; 6, after the piston rod 11 that will be exposed to outer tube 2 puts cushion pad 15, bearing 16, plain cushion 17 successively, the external riser 1 of packing into, the piston rod 11 usefulness jump rings 18 that are exposed to external riser 1 one ends are fixing, and so far air spring has just assembled.
Installation of the present utility model, using method: start button 4 ends that the jump ring 18 end external riser coning sleeves of air spring partly are enclosed within the swivel chair seat cushion again air spring on the swivel chair pin; Utilize the chassis handle started by press button under the swivel chair seat cushion to realize lifting function.
Claims (3)
1. an air spring is made of external riser and Pneumatic power elevator apparatus, and described Pneumatic power elevator apparatus cover is inserted in the external riser; Pneumatic power elevator apparatus comprises outer tube, piston rod, interior pipe and is provided with the valve base of start button, and this valve base is stuck in the end in the outer tube, and start button is exposed to this outer tube upper end; Described piston rod passes interior pipe, one end of piston rod is exposed to interior pipe, this end of piston rod is connected with ventilation bearing, Y-shaped ring, hold-down ring, the other end of piston rod is connected with piston, be with seal ring on the piston, the outside of this inner tube piston is connected with valve body, and this valve body is provided with needle, is provided with the Jiao Ding cover between described valve body and the piston; The valve body of Pneumatic power elevator apparatus links to each other with valve base in the outer tube, and piston rod is exposed to outer tube, and the upper cover of piston rod that is exposed to outer tube has cushion pad, bearing, plain cushion; It is characterized in that:
Pipe is the interior pipe of plastic material in described, and outer surface of pipe is provided with vent grooves in this, and interior pipe and outer tube fit tightly.
2. air spring according to claim 1 is characterized in that: the wall thickness of pipe is in described: 2.0～2.5mm.
3. air spring according to claim 1 and 2 is characterized in that: described piston rod one end that is exposed to outer tube is fixedlyed connected with external riser by jump ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201597404U CN201507592U (en) | 2009-06-12 | 2009-06-12 | Gas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201597404U CN201507592U (en) | 2009-06-12 | 2009-06-12 | Gas spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507592U true CN201507592U (en) | 2010-06-16 |
Family
ID=42468718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201597404U Expired - Fee Related CN201507592U (en) | 2009-06-12 | 2009-06-12 | Gas spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207158A (en) * | 2011-05-23 | 2011-10-05 | 扬州市明瑞气弹簧有限公司 | Sealing piece for valve needle of self-locking gas spring |
| CN103443499A (en) * | 2011-02-16 | 2013-12-11 | 伊莱特悬浮系统有限责任公司 | Springless combination shock absorber and suspension apparatus, and method of use |
-
2009
- 2009-06-12 CN CN2009201597404U patent/CN201507592U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103443499A (en) * | 2011-02-16 | 2013-12-11 | 伊莱特悬浮系统有限责任公司 | Springless combination shock absorber and suspension apparatus, and method of use |
| CN103443499B (en) * | 2011-02-16 | 2016-05-04 | 伊莱特悬浮系统有限责任公司 | Without Combined-type shock-absorption device and suspension apparatus and the using method of spring |
| CN102207158A (en) * | 2011-05-23 | 2011-10-05 | 扬州市明瑞气弹簧有限公司 | Sealing piece for valve needle of self-locking gas spring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9903410B2 (en) | Thrust lever ball head assembly, an apparatus and a method for its assembling | |
| WO2008114514A1 (en) | Thrust slide bearing and combination mechanism of the thrust slide bearing, piston rod, and coiled spring | |
| WO2005008108A3 (en) | Extended stroke valve and diaphragm | |
| CN201507592U (en) | Gas spring | |
| JP2010000151A (en) | Bag on casters | |
| GB2457861A (en) | Increased axial rate and improved durability of an elastomeric bushing | |
| CN101586639A (en) | Air spring | |
| CN201613437U (en) | Die drawing tool of tapered roller bearing outer ring | |
| PT1650469E (en) | Support for connecting and suporting a piston rod | |
| EP1759882A3 (en) | Wheel hub rolling element bearing assembly with sealing arrangement | |
| WO2006116224A3 (en) | Elastomeric spring-damper with integral stops | |
| CN111573032A (en) | Glass fiber reinforced plastic chemical storage tank | |
| CN203926381U (en) | Bearing with clamp button of the spring device | |
| CN206717765U (en) | A kind of oil seal installation device of dilly rear axle shaft spring bearing | |
| CN201973098U (en) | Elastic rubber bearing for automobile steering device | |
| EP1253345A3 (en) | A piston and a damping means with a piston | |
| CN204173109U (en) | The attaching ring of fire-way axle bowl group and attaching ring group | |
| CN204274264U (en) | A kind of sliding sleeve being applicable to the body of rod | |
| TW200640751A (en) | Sealing structure for opening of container | |
| CN108092460B (en) | Motor assembly with buffer sleeve for electric support rod | |
| CN203781573U (en) | Elevator rope sheave | |
| CN208787919U (en) | Tapered roller bearing riveting die | |
| EP1975054A3 (en) | Bicycle bottom bracket hanger | |
| CN201446850U (en) | Caster wheel | |
| US10005327B2 (en) | Self-inflating pumping mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Foshan Shunde District Shuangbao Gas Spring Production Co., Ltd. Assignor: Deng Zhigang Contract record no.: 2012990000236 Denomination of utility model: Pneumatic spring type novel bedstead Granted publication date: 20100616 License type: Exclusive License Record date: 20120416 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170620 Address after: 528300, Guangdong, Foshan province Shunde Qu Huanglian Intensive Industrial Zone No. 1-3 Patentee after: Foshan Shunde District Shuangbao Gas Spring Production Co., Ltd. Address before: 528000 Guangdong Province, Foshan city Shunde District Lunjiao Street Yang Lu Rong Rong Yang Li No. 21 203 Patentee before: Deng Zhigang |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20180612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |