CN208957319U - Air pressure rod and seat - Google Patents
Air pressure rod and seat Download PDFInfo
- Publication number
- CN208957319U CN208957319U CN201721874567.7U CN201721874567U CN208957319U CN 208957319 U CN208957319 U CN 208957319U CN 201721874567 U CN201721874567 U CN 201721874567U CN 208957319 U CN208957319 U CN 208957319U
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- CN
- China
- Prior art keywords
- outer tube
- air pressure
- pressure rod
- inner sleeve
- tube
- 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.)
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- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The utility model discloses a kind of air pressure rod, including according to radial extension stem core, guide sleeve and the outer tube being coaxially nested with from inside to outside, the guide sleeve is fixed on one end of the outer tube, one end of the extension stem core is sheathed in the outer tube, the other end stretches out outside outer tube, it further includes being arranged the inner sleeve being fixed in the outer tube, and in radial directions, the tube wall of the inner sleeve is located between the tube wall of the guide sleeve and the tube wall of the outer tube.A kind of seat is also disclosed in the utility model.Compared with the relevant technologies, the air pressure rod and seat of the offer of the utility model, good product quality, maintenance cost is low.
Description
Technical field
The utility model relates to the accessory technical field of office furniture more particularly to a kind of air pressure rods and seat.
Background technique
As shown in Figure 1, the air pressure rod of the relevant technologies includes according to radial extension stem core, the guide sleeve being coaxially nested with from inside to outside
And outer tube, the guide sleeve are fixed on one end of outer tube, one end of the extension stem core is sheathed in the outer tube,
The other end stretches out outside outer tube.The air pressure rod is commonly used on seat, and the connection of air pressure rod and chair leg is in certain taper, but by
In the particular/special requirement of certain chair legs, guide sleeve needs to be processed into certain taper to cooperate with outer tube, in use, this cone
The cooperation of degree is multiple flexible due to extension stem core, is also easy to produce loosening, guide sleeve is caused to deviate from outer tube.To the relevant technologies
In air pressure rod exist be also easy to produce the higher deficiency of quality problems, maintenance cost.
Therefore, it is necessary to provide one kind new air pressure rod and seat to solve above-mentioned technical problem.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical problems, provide a kind of air pressure rod high-quality, maintenance cost is low.
The utility model provides a kind of air pressure rod, including according to radial extension stem core, the guide sleeve being coaxially nested with from inside to outside
And outer tube, the guide sleeve are fixed on one end of the outer tube, one end of the extension stem core is sheathed on the housing
In pipe, it further includes being arranged the inner sleeve being fixed in the outer tube that the other end, which stretches out outside outer tube, in radial directions,
The tube wall of the inner sleeve is located between the tube wall of the guide sleeve and the tube wall of the outer tube.
Preferably, the outer tube is equipped with opening for one end that the extension stem core stretches out, and the inner sleeve is in described outer
The opening of casing is equipped with the flanging being fixedly welded on the tube wall of the outer tube.
Preferably, the outer tube is equipped with far from one end of its opening from the hook folding part being bent to form inwardly outside, described interior
One end of opening of the casing far from the outer tube is contained in the hook folding part.
Preferably, close to one end far from its opening of the outer tube, the outer tube is with inner sleeve by respectively managing
The arc-shaped expression lobes of wall from the outside to the core mutually fix.
Preferably, the tube wall side of the guide sleeve is arranged in parallel with several convex ribs.
Preferably, the air pressure rod further includes the pedestal being set in the inner sleeve, and the pedestal is accepted described flexible
Stick core.
Preferably, the air pressure rod further includes the gasket being set in the inner sleeve, and the pedestal, which is held, is butted on the pad
Piece, the end of the hook folding part are held to the gasket, and the gasket is fastened between the hook folding part and expression lobes.
The utility model additionally provides a kind of seat comprising air pressure rod as described above.
Compared with prior art, the air pressure rod of the offer of the utility model effectively prevents the loosening of guide sleeve, ensures
Product quality reduces maintenance cost.The utility model additionally provides a kind of seat, extends the service life of product, drop
Low maintenance cost.
Detailed description of the invention
Fig. 1 is the air pressure bar structure cross-sectional view of the relevant technologies；
Fig. 2 is the air pressure bar structure cross-sectional view of the utility model；
Fig. 3 is the region the M enlarged diagram of Fig. 2；
Fig. 4 is the guide sleeve structure schematic diagram of the utility model.
Specific embodiment
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Referring to Fig. 2, the utility model provides a kind of air pressure rod, including according to the radial extension stem being coaxially nested with from inside to outside
Core 7, guide sleeve 6 and outer tube 4, the guide sleeve 6 are fixed on one end of the outer tube 4, one end of the extension stem core 7
It is sheathed in the outer tube 4, the other end stretches out outside outer tube 4.
The air pressure rod further includes being arranged the inner sleeve 5 being fixed in the outer tube 4, in radial directions, described interior
The tube wall of casing 5 is located between the tube wall of the guide sleeve 6 and the tube wall of the outer tube 4.
The loosening of guide sleeve is also effectively prevented even if guide sleeve is in certain taper by the setting of inner sleeve as a result,
To ensure the product quality of air pressure rod, follow-up maintenance cost is reduced.
In the present embodiment, the outer tube 4 is equipped with opening (not shown) for one end that the extension stem core 7 stretches out,
The inner sleeve 5 is equipped with the flanging 51 on the tube wall for being fixedly welded on the outer tube 4 in the opening of the outer tube 4.
The concentricity for advantageously ensuring that inner sleeve and outer tube as a result, further improves product quality, reduces maintenance cost.
Specifically, the outer tube 4 is equipped with far from one end of its opening from the hook folding part 42 being bent to form inwardly outside, described
One end of opening of the inner sleeve 5 far from the outer tube 4 is contained in the hook folding part 42.It is convenient by inner sleeve pipe sleeve as a result,
If being fixed in outer tube, product quality is further improved.
Specifically, close to one end far from its opening of the outer tube 4, the outer tube 4 passes through respective with inner sleeve 5
The arc-shaped expression lobes of tube wall from the outside to the core mutually fix.Wherein, the tube wall of the outer tube 4 is equipped with the first expression lobes
43, the tube wall of the inner sleeve 5 is equipped with the second expression lobes 53, in the present embodiment, the first expression lobes as described above
43 and second expression lobes 53 share six groups.To further be additionally arranged the first expression lobes on the basis of hook folding part is arranged
With the second expression lobes, the fastening performance of inner sleeve and outer tube is improved, has more effectively ensured inner sleeve and outer tube
Concentricity, also just further improve product quality.
Referring to Fig. 3, further, the tube wall side of the guide sleeve 6 is arranged in parallel with several convex ribs 61.To,
The fixing for being conducive to guide sleeve and inner sleeve cooperates.
Further, the air pressure rod further includes the pedestal 8 being set in the inner sleeve 5, and the pedestal 8 is accepted described
Extension stem core 7.
Further, the air pressure rod further includes the gasket 9 being set in the inner sleeve 5, and the pedestal 8, which is held, to be butted on
The gasket 9, the end of the hook folding part 42 are held to the gasket 9, and the gasket 9 is fastened in the hook folding part 42 and extruding is convex
It rises between 43.To which hook folding part, gasket, expression lobes mutually fix, and not only secure gasket well, but also secure well
Inner sleeve and outer tube.
The utility model additionally provides a kind of seat comprising air pressure rod as described above.To further extend seat
The service life of chair, reduces maintenance cost.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of air pressure rod, described to lead including extension stem core, guide sleeve and the outer tube being coaxially nested with from inside to outside according to radial direction
One end of the outer tube is fixed on to set, one end of the extension stem core is sheathed in the outer tube, and the other end stretches out institute
It states outside outer tube, which is characterized in that it further include being arranged the inner sleeve being fixed in the outer tube, it is in radial directions, described
The tube wall of inner sleeve is located between the tube wall of the guide sleeve and the tube wall of the outer tube.
2. air pressure rod according to claim 1, which is characterized in that one end that the outer tube supplies the extension stem core to stretch out
Equipped with opening, the inner sleeve is equipped with the fold on the tube wall for being fixedly welded on the outer tube in the opening of the outer tube
Side.
3. air pressure rod according to claim 2, which is characterized in that the outer tube is equipped with far from one end of its opening from outer
The hook folding part being bent to form inwardly, one end of opening of the inner sleeve far from the outer tube are contained in the hook folding part.
4. air pressure rod according to claim 3, which is characterized in that one end far from its opening of the close outer tube,
The outer tube is mutually fixed with inner sleeve by the arc-shaped expression lobes of respective tube wall from the outside to the core.
5. air pressure rod according to claim 4, which is characterized in that the tube wall side of the guide sleeve is arranged in parallel with several
Convex rib.
6. air pressure rod according to claim 5, which is characterized in that further include the pedestal being set in the inner sleeve, institute
It states pedestal and accepts the extension stem core.
7. air pressure rod according to claim 6, which is characterized in that further include the gasket being set in the inner sleeve, institute
State pedestal and hold and be butted on the gasket, the end of the hook folding part is held to the gasket, the gasket be fastened in the hook folding part with
Between expression lobes.
8. a kind of seat, which is characterized in that including such as described in any item air pressure rods of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721874567.7U CN208957319U (en) | 2017-12-26 | 2017-12-26 | Air pressure rod and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721874567.7U CN208957319U (en) | 2017-12-26 | 2017-12-26 | Air pressure rod and seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208957319U true CN208957319U (en) | 2019-06-11 |
Family
ID=66746294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721874567.7U Active CN208957319U (en) | 2017-12-26 | 2017-12-26 | Air pressure rod and seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208957319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112205799A (en) * | 2020-10-15 | 2021-01-12 | 青岛泽昊汽车配件有限公司 | Novel air pressure rod |
-
2017
- 2017-12-26 CN CN201721874567.7U patent/CN208957319U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112205799A (en) * | 2020-10-15 | 2021-01-12 | 青岛泽昊汽车配件有限公司 | Novel air pressure rod |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |