CN202151232U - Hydraulic outer sleeve of office chair - Google Patents
Hydraulic outer sleeve of office chair Download PDFInfo
- Publication number
- CN202151232U CN202151232U CN201120224484XU CN201120224484U CN202151232U CN 202151232 U CN202151232 U CN 202151232U CN 201120224484X U CN201120224484X U CN 201120224484XU CN 201120224484 U CN201120224484 U CN 201120224484U CN 202151232 U CN202151232 U CN 202151232U
- Authority
- CN
- China
- Prior art keywords
- intervalve
- office chair
- hydraulic pressure
- outer tube
- face
- 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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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a hydraulic outer sleeve of an office chair, comprising an outer tube, a middle tube and an inner tube which are arranged from outside to inside with the same central shaft; the middle tube comprises a body and an embedded sleeve which is arranged on the inner wall of the body and has a central shaft that is the same as that of the body; and the middle tube and the inner tube are fixedly arranged in the outer tube. The hydraulic outer sleeve of the office chair is reasonable in structure, and does not loose and fall off.
Description
Technical field
The utility model relates to chair, is specifically related to a kind of office chair hydraulic pressure overcoat.
Background technology
Along with more preferably selecting of perfect, the material of office chair design, the weight capacity of office chair is also improving constantly.Wherein, Present office chair hydraulic pressure jacket structure is unreasonable; The hydraulic pressure overcoat is connected between roller disk and the seat support, and its structure is as depicted in figs. 1 and 2: comprise outer tube a, loam cake b and alignment pin c, loam cake b covers the mouth of pipe on outer tube a; Pass outer tube a by alignment pin c then and insert loam cake b, realize that loam cake b's is fixing.There is the unstable defective in location in this structure, and alignment pin c need bear loam cake b and make progress and downward active force, and stress is concentrated, and alignment pin c comes off easily, and after alignment pin c came off, loam cake b just can become flexible.
The utility model content
The utility model provides a kind of office chair hydraulic pressure overcoat rational in infrastructure, that can not come off loosening in order to overcome the deficiency that above prior art exists.
The purpose of the utility model realizes through following technical scheme: this office chair hydraulic pressure overcoat; It is characterized in that: the outer tube from outside to inside, intervalve and the interior pipe that comprise concentricity axle; Said intervalve comprises body and nested with the concentricity axle of body that is built in inner body wall, and intervalve and interior pipe are fixedly mounted on outer tube inside.
It is protruding to have a circle above the outer peripheral face of the body of said intervalve, has reinforcement below the outer peripheral face of the body of intervalve, and outer tube is provided with several inside pits, and convexity is placed on the pit.The effect of pit is to stop intervalve to move downward.
Said pit is two that are oppositely arranged at least.Certainly, also can realize same function for three, four.
The body of said intervalve is a plastic material, and nested is metal material, and the body injection mo(u)lding is in nested outside.
The top of pipe is provided with horizontal end face in said, and horizontal end face is placed on the end face of intervalve.The effect of horizontal end face is that pipe moves downward in stoping.
Said outer tube top is provided with aduncate bound edge, the horizontal end face of pipe in bound edge is pushed down.The effect of bound edge is to stop interior pipe and intervalve to move upward.
Said outer tube is a metal material, and interior pipe is a plastic material.
Said outer tube is connected through screw with the body of intervalve, and screw is screwed in the body.Screw is realized and the same effect of pit here, all is to stop intervalve to move downward.
It is protruding to have a circle above the outer peripheral face of the body of said intervalve, has reinforcement below the outer peripheral face of the body of intervalve, outer tube radially be provided with several bolts, convexity is placed on the bolt.Bolt is realized and the same effect of pit here, all is to stop intervalve to move downward.
Said bolt is two that are oppositely arranged at least.Certainly, also can realize same function for three, four.
The utility model has following advantage with respect to prior art: this office chair hydraulic pressure overcoat carries out architecture advances to existing office chair hydraulic pressure overcoat, and is rational in infrastructure, and intervalve and interior pipe can not come off loosening.This office chair hydraulic pressure overcoat; The outer tube from outside to inside, intervalve and the interior pipe that comprise concentricity axle, intervalve comprise body and nested with the concentricity axle of body that is built in inner body wall, have a circle convexity above the outer peripheral face of the body of intervalve; Have reinforcement below the outer peripheral face of the body of intervalve; Outer tube is provided with several inside pits, and convexity is placed on the pit, and the effect of pit is to stop intervalve to move downward.The top of interior pipe is provided with horizontal end face, and horizontal end face is placed on the end face of intervalve, and the effect of horizontal end face is that pipe moves downward in stoping.The outer tube top is provided with aduncate bound edge, the horizontal end face of pipe in bound edge is pushed down, and the effect of bound edge is to stop interior pipe and intervalve to move upward.Therefore, intervalve and interior pipe can not become flexible all by firm location, avoided stress to concentrate, and the structure of pit have been avoided obscission fully yet.
Description of drawings
Fig. 1 is the exploded view of existing office chair hydraulic pressure overcoat.
Fig. 2 is the installation diagram of existing office chair hydraulic pressure overcoat.
Fig. 3 is the exploded view of the office chair hydraulic pressure overcoat of embodiment 1.
Fig. 4 is the installation diagram (not bound edge) of the office chair hydraulic pressure overcoat of embodiment 1.
Fig. 5 is the installation diagram (bound edge) of the office chair hydraulic pressure overcoat of embodiment 1.
Fig. 6 is the cutaway view of Fig. 5.
Fig. 7 is the cutaway view of intervalve.
Fig. 8 is the cutaway view of embodiment 2.
Fig. 9 is the cutaway view of embodiment 3.
Label and title among the figure are following:
| 1 | Outer tube | 2 | Intervalve |
| 3 | |
4 | |
| 5 | Nested | 6 | Protruding |
| 7 | Reinforcement | 8 | Pit |
| 9 | Horizontal end face | 10 | |
| 11 | |
12 | Bolt |
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Embodiment 1:
Like Fig. 3～office chair hydraulic pressure overcoat shown in Figure 6; The outer tube from outside to inside, intervalve and the interior pipe that comprise concentricity axle; As shown in Figure 7, intervalve comprises body and nested with the concentricity axle of body that is built in inner body wall, and intervalve and interior pipe are fixedly mounted on outer tube inside.
It is protruding to have a circle above the outer peripheral face of the body of intervalve, has reinforcement below the outer peripheral face of the body of intervalve, and outer tube is provided with 2 inside pits, and convexity is placed on the pit.The effect of pit is to stop intervalve to move downward.
The body of intervalve is a plastic material, and nested is metal material, and the body injection mo(u)lding is in nested outside.
The top of interior pipe is provided with horizontal end face, and horizontal end face is placed on the end face of intervalve.The effect of horizontal end face is that pipe moves downward in stoping.
The outer tube top is provided with aduncate bound edge, the horizontal end face of pipe in bound edge is pushed down.The effect of bound edge is to stop interior pipe and intervalve to move upward.
Outer tube is a metal material, and interior pipe is a plastic material.
Embodiment 2:
Except following technical characterictic, all the other are identical with embodiment 1: as shown in Figure 8, outer tube is connected through screw with the body of intervalve, and screw is screwed in the body.Screw is realized and the same effect of pit here, all is to stop intervalve to move downward.
Embodiment 3:
Except following technical characterictic, all the other are identical with embodiment 1: as shown in Figure 9, it is protruding to have a circle above the outer peripheral face of the body of intervalve, has reinforcement below the outer peripheral face of the body of intervalve, outer tube radially be provided with 2 bolts, convexity is placed on the bolt.Bolt is realized and the same effect of pit here, all is to stop intervalve to move downward.
The above-mentioned specific embodiment is the preferred embodiment of the utility model; Can not limit the utility model; Other any change or other equivalent substitute mode that does not deviate from the technical scheme of the utility model and made is included within the protection domain of the utility model.
Claims (10)
1. office chair hydraulic pressure overcoat; It is characterized in that: the outer tube from outside to inside, intervalve and the interior pipe that comprise concentricity axle; Said intervalve comprises body and nested with the concentricity axle of body that is built in inner body wall, and intervalve and interior pipe are fixedly mounted on outer tube inside.
2. office chair hydraulic pressure overcoat according to claim 1; It is characterized in that: it is protruding to have a circle above the outer peripheral face of the body of said intervalve; Have reinforcement below the outer peripheral face of the body of intervalve, outer tube is provided with several inside pits, and convexity is placed on the pit.
3. office chair hydraulic pressure overcoat according to claim 2 is characterized in that: said pit is two that are oppositely arranged at least.
4. office chair hydraulic pressure overcoat according to claim 1 is characterized in that: the body of said intervalve is a plastic material, and nested is metal material, and the body injection mo(u)lding is in nested outside.
5. office chair hydraulic pressure overcoat according to claim 1 is characterized in that: the top of pipe is provided with horizontal end face in said, and horizontal end face is placed on the end face of intervalve.
6. office chair hydraulic pressure overcoat according to claim 5 is characterized in that: said outer tube top is provided with aduncate bound edge, the horizontal end face of pipe in bound edge is pushed down.
7. office chair hydraulic pressure overcoat according to claim 1 is characterized in that: said outer tube is a metal material, and interior pipe is a plastic material.
8. office chair hydraulic pressure overcoat according to claim 1 is characterized in that: said outer tube is connected through screw with the body of intervalve, and screw is screwed in the body.
9. office chair hydraulic pressure overcoat according to claim 1; It is characterized in that: it is protruding to have a circle above the outer peripheral face of the body of said intervalve; Have reinforcement below the outer peripheral face of the body of intervalve, outer tube radially be provided with several bolts, convexity is placed on the bolt.
10. office chair hydraulic pressure overcoat according to claim 9 is characterized in that: said bolt is two that are oppositely arranged at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224484XU CN202151232U (en) | 2011-06-29 | 2011-06-29 | Hydraulic outer sleeve of office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224484XU CN202151232U (en) | 2011-06-29 | 2011-06-29 | Hydraulic outer sleeve of office chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202151232U true CN202151232U (en) | 2012-02-29 |
Family
ID=45691750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120224484XU Expired - Fee Related CN202151232U (en) | 2011-06-29 | 2011-06-29 | Hydraulic outer sleeve of office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202151232U (en) |
-
2011
- 2011-06-29 CN CN201120224484XU patent/CN202151232U/en not_active Expired - Fee Related
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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: 20120229 Termination date: 20200629 |