CN203986989U - A kind of seat air pressure rod - Google Patents
A kind of seat air pressure rod Download PDFInfo
- Publication number
- CN203986989U CN203986989U CN201420450919.6U CN201420450919U CN203986989U CN 203986989 U CN203986989 U CN 203986989U CN 201420450919 U CN201420450919 U CN 201420450919U CN 203986989 U CN203986989 U CN 203986989U
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- CN
- China
- Prior art keywords
- outer tube
- air pressure
- pressure rod
- inner sleeve
- seat air
- 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
The utility model provides a kind of seat air pressure rod, it comprises outside large pipe, piston rod is installed in outside large pipe one end, the outside large nested outer tube of the pipe other end, the nested inner tube of outer tube, between outer tube and inner tube, unsaturated zone is set, inner tube one end arranges piston mechanism and connects piston rod, the inner tube other end arranges valve seal driving mechanism, the large pipe in described outside is divided into two parts, it is column section that piston rod one end is installed, nested outer tunnel end is cone segments, cone segments inside is provided with outer tube, in outer tube, be also provided with the inner sleeve being mated, the nested outer tube of inner sleeve, cone segments, outer tube is fixedly connected with at link place with column body segment with inner sleeve.Air pressure rod of the present utility model, can effectively increase the back pull of air pressure rod, increases the stroke of air pressure rod.
Description
Technical field
The utility model relates to a kind of seat air pressure rod, relates in particular to a kind of air pressure rod for seat.
Background technology
At present, lifting seat generally all adopts air pressure rod to realize lifting, adjusts function highly.Common air pressure rod product normally outer tube directly coordinates with inner tube, exists back pull poor, the problem that lifting travel is short.
Summary of the invention
The shortcoming existing for prior art is with not enough, technical problem to be solved in the utility model is, provide a kind of back pull strong, the air pressure rod that lifting travel is long, after being applied on seat, can improve the adjusting height of seat, increase the free degree of seat rotation, thereby improve the comfort level that human body is taken.
For solving the problems of the technologies described above, technical solution adopted in the utility model is, a kind of seat air pressure rod, it comprises outside large pipe, piston rod is installed in outside large pipe one end, the outside large nested outer tube of the pipe other end, the nested inner tube of outer tube, between outer tube and inner tube, unsaturated zone is set, inner tube one end arranges piston mechanism and connects piston rod, the inner tube other end arranges valve seal driving mechanism, the large pipe in described outside is divided into two parts, it is column section that piston rod one end is installed, nested outer tunnel end is cone segments, cone segments inside is provided with outer tube, in outer tube, be also provided with the inner sleeve being mated, the nested outer tube of inner sleeve, cone segments, outer tube is fixedly connected with at link place with column body segment with inner sleeve.
The adjacent portions of outer tube and inner sleeve is provided with the locking member cooperatively interacting.
The gradient with respect to air pressure rod axis of centrum section is 1 ° 26 ' 16 ".
The material of outer tube and inner sleeve is general with cold-rolled carbon steel thin plate and steel band.
The wall thickness of outer tube and inner sleeve is all 1.5 millimeters.
Outer tube is provided with sags and crests in the junction of cone segments and column body segment, for welding.
Described sags and crests is uniformly distributed in outer tube lateral wall, and quantity is 12.
Described minute 4 directions that are welded as are carried out 90 ° of welding.
The utlity model has following advantage and useful technique effect:
Air pressure rod of the present utility model, by the Split type structure of the large pipe of air pressure rod, and large pipe split and outer tube inner sleeve appropriate design, can effectively increase the back pull of air pressure rod, the stroke of increase air pressure rod.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the pad schematic diagram of the utility model sags and crests;
In above-mentioned figure:
Outside large pipe 1, piston rod 2, outer tube 3, inner tube 4, unsaturated zone 5, piston mechanism 6, valve seal driving mechanism 7, piston 8, cannelure 9, switch packing ring 10, trench bottom 11, projection supporting pad 12, seals 13, partition 14, open type supporting pad 15, turn 16, iron washer 17, piston locating pad 18, valve body 19, taper surface airway 20, support member 21, valve seals 22, valve body switch 23, start button 24, cone supporting member 25, outer tube supporting pad 26, bearing 27, shock-absorbing buffer pad 28, outer tube 29, inner sleeve 30, working of plastics 31, link 32, sags and crests 33, column body segment 101, cone segments 102.
The specific embodiment
As shown in Fig. 1, a kind of automatic-ascending return seat air pressure rod of the present embodiment, it comprises outside large pipe 1, wherein, outside large pipe is divided into two parts, be respectively column body segment 101 and cone segments 102, column body segment 101 is provided with piston rod 2, cone segments 102 inside are provided with outer tube 29, in outer tube 29, be also provided with the inner sleeve 30 being mated, outer tube 29 is provided with the adjacent portions of inner sleeve 30 locking member cooperatively interacting, cone segments 102, outer tube 29 is fixedly connected with at link 32 places with column body segment 101 with inner sleeve 30, conventionally adopt Type of Welding to connect.The junction of cone segments 102 and outer tube 29 and column body segment 101, can arrange sags and crests 33, and at sags and crests, weld at 33 places.Cone segments 102 is closely connected with outer tube 29 near the pyramid tip at column body segment 101 places, and the gradient with respect to axis of cone segments is preferably 1 ° 26 ' 16 ".Outer tube 29 adopts: the SPCC(of Φ 50 * 1.5T generally uses cold-rolled carbon steel thin plate and steel band) material section, inner sleeve 30 adopts: the SPCC material of Φ 40 * 1.5T.Internal and external casing is pressed into well and combines with equipment after punching press, makes the wall thickness of product outer tube reach 3.0T, strengthens the back pull of product.The lateral wall of the madial wall inner sleeve 30 of outer tube 29 can also arrange working of plastics 31.
The nested outer tube 3 of inner sleeve 30, the nested inner tube 4 of outer tube 3, between outer tube 3 and inner tube 4, unsaturated zone 5 is set, inner tube 4 one end arrange piston mechanism 6 and connect piston rod 2, inner tube 4 other ends arrange valve seal driving mechanism 7, and piston mechanism 6 comprises the piston 8 being enclosed within on piston rod 2, and cannelure 9 is set on piston 8, the cross section of cannelure 9 takes the shape of the letter U, the interior switch packing ring 10 that arranges of cannelure 9.The trench bottom of cannelure 9 is set to ramped shaped, and switch packing ring 10 slides along the trench bottom of ramped shaped.Piston mechanism 6 comprises the protruding supporting pad 12 that is fixed on inner tube 4 ends, projection supporting pad 12 connects the partition 14 of seals 13 clampings, seals 13 is by open type supporting pad 15 linking springs circles 16, turn 16 is enclosed within on piston rod 2, piston 8 is installed in turn 16 the place aheads, and piston 8 is arranged on the end of piston rod 2.Piston 8 is fixed on piston rod 2 by iron washer 17 and piston locating pad 18 above.Valve seal driving mechanism 7 comprises the valve body 19 that is arranged on inner tube 4 ends, valve body 19 inside arrange taper surface airway 20 and support member 21, taper surface airway 20 connects with unsaturated zone 5, valve body 19 outer setting valve seals 22, valve body 19 connects valve body switch 23, and valve body switch 23 connects start button 24.Start button 24 is arranged on the cone supporting member 25 of outer tube 3 ends.Outside large pipe 1 end arranges outer tube supporting pad 26, outer tube supporting pad 26 fixed piston rod 2 ends, and piston rod 2 ends arrange bearing 27, bearing 27 outer setting shock-absorbing buffer pads 28.As shown in Figure 2, the trench bottom of cannelure 9 is set to ramped shaped, and when seat lifting, switch packing ring 10 slides along the trench bottom of ramped shaped, and when switch packing ring 10 moves to bottom, slope, gas passage is opened; When switch packing ring 10 moves to top, slope due to the effect of gas pressure, gas passage is closed, and air pressure rod is still in level altitude.
The above, only to preferred embodiment of the present utility model, be not that the utility model is done to other forms of restriction, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every the utility model scheme content that do not depart from, to any simple modification made for any of the above embodiments, equivalent variations and remodeling, still belongs to protection domain of the present utility model according to technical spirit of the present utility model.
Claims (8)
1. a seat air pressure rod, it comprises outside large pipe, piston rod is installed in outside large pipe one end, the nested outer tube of the other end, the nested inner tube of outer tube, between outer tube and inner tube, unsaturated zone is set, inner tube one end arranges piston mechanism and connects piston rod, the inner tube other end arranges valve seal driving mechanism, it is characterized in that: the large pipe in described outside is divided into two parts, it is column section that piston rod one end is installed, nested outer tunnel end is cone segments, cone segments inside is provided with outer tube, in outer tube, be also provided with the inner sleeve being mated, the nested outer tube of inner sleeve, cone segments, outer tube is fixedly connected with at link place with column body segment with inner sleeve.
2. a kind of seat air pressure rod according to claim 1, is characterized in that: the adjacent portions of outer tube and inner sleeve is provided with the locking member cooperatively interacting.
3. a kind of seat air pressure rod according to claim 1, is characterized in that: the gradient with respect to air pressure rod axis of centrum section is 1 ° 26 ' 16 ".
4. a kind of seat air pressure rod according to claim 1, is characterized in that: the material of outer tube and inner sleeve is general cold-rolled carbon steel thin plate and the steel band used.
5. a kind of seat air pressure rod according to claim 1, is characterized in that: the wall thickness of outer tube and inner sleeve is all 1.5 millimeters.
6. a kind of seat air pressure rod according to claim 1, is characterized in that: outer tube is provided with sags and crests in the junction of cone segments and column body segment, for welding.
7. a kind of seat air pressure rod according to claim 6, is characterized in that: described sags and crests is uniformly distributed in outer tube lateral wall, and quantity is 12.
8. according to claim 6 or a kind of seat air pressure rod claimed in claim 7, it is characterized in that: described in be welded as minute 4 directions and carry out 90 ° of welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450919.6U CN203986989U (en) | 2014-08-12 | 2014-08-12 | A kind of seat air pressure rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450919.6U CN203986989U (en) | 2014-08-12 | 2014-08-12 | A kind of seat air pressure rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203986989U true CN203986989U (en) | 2014-12-10 |
Family
ID=52027089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420450919.6U Expired - Fee Related CN203986989U (en) | 2014-08-12 | 2014-08-12 | A kind of seat air pressure rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203986989U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640102A (en) * | 2016-03-15 | 2016-06-08 | 青岛奥德精密器械有限公司 | Colorful oil-proof gas spring |
| CN106499765A (en) * | 2015-09-06 | 2017-03-15 | 青岛三弘精密器械有限公司 | Cylinder |
| CN106553718A (en) * | 2015-09-25 | 2017-04-05 | 久鼎金属实业股份有限公司 | The lift control method of bicycle saddle tube |
-
2014
- 2014-08-12 CN CN201420450919.6U patent/CN203986989U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499765A (en) * | 2015-09-06 | 2017-03-15 | 青岛三弘精密器械有限公司 | Cylinder |
| CN106499765B (en) * | 2015-09-06 | 2019-05-10 | 青岛三弘精密器械有限公司 | Cylinder |
| CN106553718A (en) * | 2015-09-25 | 2017-04-05 | 久鼎金属实业股份有限公司 | The lift control method of bicycle saddle tube |
| CN106553718B (en) * | 2015-09-25 | 2019-04-02 | 久鼎金属实业股份有限公司 | The lift control method of bicycle saddle tube |
| CN105640102A (en) * | 2016-03-15 | 2016-06-08 | 青岛奥德精密器械有限公司 | Colorful oil-proof gas spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20200812 |