CN203914125U - Prevent the chair that layback is toppled over - Google Patents
Prevent the chair that layback is toppled over Download PDFInfo
- Publication number
- CN203914125U CN203914125U CN201420333590.5U CN201420333590U CN203914125U CN 203914125 U CN203914125 U CN 203914125U CN 201420333590 U CN201420333590 U CN 201420333590U CN 203914125 U CN203914125 U CN 203914125U
- Authority
- CN
- China
- Prior art keywords
- support member
- chair
- fixed bar
- cylindrical boss
- layback
- 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
- 238000007665 sagging Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a kind of chair that prevents that layback from toppling over, comprise the seat support and the chair back that are wholely set, on described chair back dual-side, be provided with cylindrical boss, corresponding to each cylindrical boss, be provided with support member, described support member is axially fixed at cylindrical boss and described support member can rotate in a circumferential direction around cylindrical boss, during described chair back hypsokinesis, described support member is setting vertically downward, on described support member, be provided with and make support member form the fixed structure of stable state when conflicting on support member and ground, the utility model provides a kind of chair that prevents that layback from toppling over, improved the security performance of chair.
Description
Technical field
The utility model relates to the chair that prevents that layback from toppling over.
Background technology
Chair is articles for use common in daily life, and common chair has seat support and the chair back conventionally, and the described chair back is positioned at seat support top, and the below of described seat support is provided with four chair legs, and seat support is conventionally square and arranges and described four chair legs are positioned at four corners of seat support.
When we are sitting on chair; often can lean against on the chair back; when sometimes we are sitting on chair, also there will be the two chair legs that only has arm-chair to carry on the back a side in four legs of chair to land; then the pin by people and two chair legs landing maintain the balance of chair; but now whole center of gravity is hypsokinesis; slightly overexertion just there will be disequilibrium, and whole chair hypsokinesis causes the situation of falling down, and the people who is still easy to being sitting on chair causes damage.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of chair that prevents that layback from toppling over.
For achieving the above object, the utility model provides following technical scheme: a kind of chair that prevents that layback from toppling over, comprise the seat support and the chair back that are wholely set, on described chair back dual-side, be provided with cylindrical boss, corresponding to each cylindrical boss, be provided with support member, described support member is axially fixed at cylindrical boss and described support member can rotate in a circumferential direction around cylindrical boss, during described chair back hypsokinesis, described support member is setting vertically downward, on described support member, be provided with and make support member form the fixed structure of stable state when conflicting on support member and ground.
By adopting technique scheme, on the chair back, being provided with axial restraint between cylindrical boss and described support member and lug boss rotates in a circumferential direction, so when people is sitting in the action of making hypsokinesis on chair, support member can be subject to the effect of gravity, be the state of naturally drooping, when surprisingly toppling over along with the degree aggravation appearance in other words of hypsokinesis, before chair is toppled over, described support member is understood butt between preferential and ground, for chair provides support power, corresponding fixed structure has limited the rotation of support member, guaranteed that support member is a kind of stable state when contacting with ground, guaranteeing all can provide a stable strong point for chair in the power of support member on being subject to all directions, for the chair of hypsokinesis provides extra balanced support point, with this, prevent the hypsokinesis of chair, improved the security performance of this chair.
The utility model is further set to: described support member internal sleeve is provided with fixed bar, described support member is provided with the chute sliding for fixed bar in lug boss one side, described fixed bar is sheathed in chute and the other end of described fixed bar extends to support member outside, on described lug boss, be provided with the caulking groove suitable with fixed bar, described caulking groove and chute are connected, described fixed bar one end is positioned at support member outside, described fixed structure be fixed bar when conflict in support member outboard end and ground described in fixed bar be embedded in caulking groove, described chute is provided with the sagging limiting section of restriction fixed bar with respect to the opposite side direction of lug boss.
By adopting technique scheme, the side end that described fixed bar is positioned at support member and fixed bar is positioned at the outside of support member, when there is unexpected hypsokinesis in chair, fixed bar is understood preferential and ground contact, can in chute, there is slippage and embed rapidly in caulking groove in fixed bar, support member just can not rotate in a circumferential direction around lug boss like this, between corresponding fixed bar and caulking groove, form described fixed structure, and corresponding limiting section is to be fixture while naturally drooping state and can not detach the scope of support member for limiting, this is simple in structure, easy to process, should be as promoting the use of.
The utility model is further set to: described boss is in 1/2nd positions of chair back total height.
By adopting technique scheme, further guaranteed that the balance support function of this support member can realize smoothly.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram that the utility model prevents the chair embodiment that layback is toppled over;
Fig. 2 is the support member blast structural representation that the utility model prevents the chair embodiment that layback is toppled over;
Fig. 3 is the supporting piece structure schematic diagram that the utility model prevents the chair embodiment that layback is toppled over.
The specific embodiment
Referring to figs. 1 through Fig. 3, the utility model is prevented to the chair embodiment that layback is toppled over is described further.
A kind of chair that prevents that layback from toppling over, comprise the seat support 2 and the chair back 1 that are wholely set, on the described chair back 1 dual-side, be provided with cylindrical boss 3, corresponding to each cylindrical boss 3, be provided with support member 4, described support member 4 is axially fixed at cylindrical boss 3 and described support member 4 can rotate in a circumferential direction around cylindrical boss 3, during the described chair back 1 hypsokinesis, described support member 4 is setting vertically downward, is provided with for making support member 4 form the fixed structure of stable states when support member 4 is conflicted with ground on described support member 4.
Described support member 4 internal sleeve are provided with fixed bar 5, described support member 4 is provided with the chute 7 sliding for fixed bar 5 in lug boss 3 one sides, described fixed bar 5 is sheathed in chute 7 and the other end of described fixed bar 5 extends to support member 4 outsides, on described lug boss 3, be provided with the caulking groove 31 suitable with fixed bar 5, described caulking groove 31 and chute 7 are connected, described fixed bar 5 one end are positioned at support member 4 outsides, described fixed structure be fixed bar 5 when conflict in support member 4 outboard end and ground described in fixed bar 5 be embedded in caulking groove 31, described chute 7 is provided with the sagging limiting section 6 of restriction fixed bar 5 with respect to the opposite side direction of lug boss 3.
The both sides of the described chair back 1 are provided with support member 4 and described support member 4 is symmetrical set, described limiting section 6 adopts elastomeric material to make, described fixed bar 5 includes large footpath section 52 and the path section 51 that concentric arranges, the diameter of described large footpath section 52 and the cavity diameter of support member 4 inside are suitable, and the interior circular diameter that corresponding limiting section 6 is annular setting and described annular is slightly less than the diameter of large footpath section 52, when assembling, because elastomeric material has certain elasticity, can by force this large footpath section 52 be filled in chute 7, it is outer as stressed place that the path section 51 of fixed bar 5 can expose to support member 4.
This chair is in the raw time, described support member 4 fits with the chair back 1, if when being sitting in people on chair and carrying out hypsokinesis action, support member 4 can be subject to the effect of gravity, around lug boss 3 rotations, but still keep all the time state vertically downward, 51 of the path sections of fixed bar 5 can expose to outside support member 4, when occurring surprisingly toppling over, path section 51 is preferentially stressed, fixed bar 5 can be in the interior generation slippage of chute 7, described large footpath section 52 embeds rapidly in caulking groove 31, support member 4 just can not rotate in a circumferential direction around lug boss 3 like this, between corresponding fixed bar 5 and caulking groove 31, form described fixed structure, guaranteed that support member 4 is a kind of stable state when contacting with ground, guaranteeing all can provide a stable strong point for chair in the power of support member 4 on being subject to all directions, for the chair of hypsokinesis provides extra balanced support point, with this, prevent the hypsokinesis of chair, improved the security performance of this chair.
Claims (3)
1. one kind prevents the chair of swinging back and toppling over, comprise the seat support and the chair back that are wholely set, it is characterized in that: on described chair back dual-side, be provided with cylindrical boss, corresponding to each cylindrical boss, be provided with support member, described support member is axially fixed at cylindrical boss and described support member can rotate in a circumferential direction around cylindrical boss, during described chair back hypsokinesis, described support member is vertically downward and arranges, and is provided with for make the fixed structure of support member formation stable state when support member is conflicted with ground on described support member.
2. the layback chair of toppling over that prevents according to claim 1, it is characterized in that: described support member internal sleeve is provided with fixed bar, described support member is provided with the chute sliding for fixed bar in lug boss one side, described fixed bar is sheathed in chute and the other end of described fixed bar extends to support member outside, on described lug boss, be provided with the caulking groove suitable with fixed bar, described caulking groove and chute are connected, described fixed bar one end is positioned at support member outside, described fixed structure be fixed bar when conflict in support member outboard end and ground described in fixed bar be embedded in caulking groove, described chute is provided with the sagging limiting section of restriction fixed bar with respect to the opposite side direction of lug boss.
3. the chair that prevents that layback from toppling over according to claim 2, is characterized in that: described boss is in 1/2nd positions of chair back total height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333590.5U CN203914125U (en) | 2014-06-20 | 2014-06-20 | Prevent the chair that layback is toppled over |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333590.5U CN203914125U (en) | 2014-06-20 | 2014-06-20 | Prevent the chair that layback is toppled over |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203914125U true CN203914125U (en) | 2014-11-05 |
Family
ID=51810025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420333590.5U Expired - Fee Related CN203914125U (en) | 2014-06-20 | 2014-06-20 | Prevent the chair that layback is toppled over |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203914125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108669882A (en) * | 2018-06-21 | 2018-10-19 | 深圳稀树智能科技有限公司 | Intelligent chair and its control method |
-
2014
- 2014-06-20 CN CN201420333590.5U patent/CN203914125U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108669882A (en) * | 2018-06-21 | 2018-10-19 | 深圳稀树智能科技有限公司 | Intelligent chair and its control method |
| CN108669882B (en) * | 2018-06-21 | 2020-11-27 | 深圳稀树智能科技有限公司 | Intelligent chair and control method thereof |
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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 |
Granted publication date: 20141105 Termination date: 20150620 |
|
| EXPY | Termination of patent right or utility model |