CN202553031U - Closed-fit backrest of chair - Google Patents
Closed-fit backrest of chair Download PDFInfo
- Publication number
- CN202553031U CN202553031U CN2012201278650U CN201220127865U CN202553031U CN 202553031 U CN202553031 U CN 202553031U CN 2012201278650 U CN2012201278650 U CN 2012201278650U CN 201220127865 U CN201220127865 U CN 201220127865U CN 202553031 U CN202553031 U CN 202553031U
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- CN
- China
- Prior art keywords
- cuboids
- backrest
- chair
- waist
- stay cord
- 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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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
A closed-fit backrest of a chair is capable of strengthening protection to the waist and the back of a person sitting on the chair for a long time. Large and small holes are drilled in cuboids, the cuboids are connected with each other by a backrest face layer while the holes drilled in the cuboids correspond to each other, springs are mounted in the holes among the cuboids, and the springs can expand and retract under effect of pull strings in the small holes in the cuboids. When the pull strings are released, the springs expand, one sides of the cuboids are connected while the other sides of the cuboids are separated from each other under effect of the springs, and then the connected cuboids form an arc shape. The arc-shaped backrest has a good closed-fit protection effect to the waist and the back and two sides of the waist and the back of the human body, the defect that a conventional backrest of the chair can only support the person sitting thereon but cannot protect the waist and the back of the person is overcome completely, and fatigue of the waist and the back of the person sitting on the chair for a long time can be relieved.
Description
Affiliated technical field
The utility model relates to a kind of back.
Technical background
Modern society sedentary occupation person is more and more, but sitting must be had a pain in the back.And back originally is exactly the protection of giving sitting person back, and back that can be common only plays the dependence effect for human body.In order to improve the protection of backrest to the human body back, a lot of backs have also been done a lot of somatological improvement, can all be the improvement on soft decorations basically, and this also is that they are not having the substantive reason that improves aspect the protection of human body back.
Summary of the invention
In order to improve the protective effect of backrest to the human body back, the utility model provides a kind of device that human body back and both sides is all had fine protection next to the shin.
The utility model solves the technical scheme that its technical problem adopted: horizontal microscler side's body vertically is fixed on the back rest supports post side by side, contacts under the effect of backrest surface layer and connect a plurality of brachmorphy sides body in the long two ends of each microscler side's body.Be drilled with an aperture in the middle of each side's body, zoom into macropore to aperture again at the aperture two ends, Kong Yukong is relative between the square body of connection, and in macropore, puts into a spring suitable with macropore.Fixing stay cord on brachmorphy side's body stay cord tie point of polyphone end; Stay cord extends in microscler side's body aperture through aperture, macropore, spring always; In the middle of each microscler side's body, vertically bore an aperture again; And come round with horizontal aperture, in the vertical aperture of microscler side's body, penetrate a main drawing line, every stay cord is connected on the main drawing line through aperture.When the pulling main drawing line, main line pulling stay cord, stay cord spurs terminal side's body, and square body is spring between the side's of compression body just, and distance is dwindled between square body, and backrest becomes to flatten shape.When appropriateness is loosened main drawing line, spring stretches compressing side body, distance increase between square body.Connected by surface layer between side's body, on one side Fang Tixiang squints, a plurality of side's bodies have just formed an arc.
The beneficial effect of the utility model is, improved the comprehensive engagement of backrest and back and both sides, back, reaches a kind of the back is more comprehensively protected.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 backrest structural perspective next to the shin.
Fig. 2 backrest structure principle chart next to the shin.
1 brachmorphy side's body among the figure, 2 apertures, 3 aperture termination macropores, 4 backrest surface layers, 5 microscler side's bodies, 6 microscler side's body vertical cores, 7 stay cords, 8 stay cord tie points, 9 terminal side's bodies, 10 springs, 11 back rest supports posts, 12 main drawing lines.
The specific embodiment
In the drawings, microscler side's body (5) is fixed on the back rest supports post (11), and brachmorphy side's body (1) is chained together under the effect of backrest surface layer (4) and with microscler side's body (5); Body aperture (2) two ends, side are macropore (3), and the hole, hole is relative between the side's of polyphone body, and macropore between square body is put into suitable spring in (3); Stay cord (7) is connected on the main drawing line (12), and stay cord (7) passes on the stay cord tie point (8) that aperture (2) macropore (3) spring (10) is fixed on terminal side's body (9).When pulling main drawing line (12), main drawing line (12) pulling stay cord (7), stay cord (7) pulling terminal side's body (9), square body is spring (10) between the side's of compression body just, and distance is dwindled between square body, and backrest is the flattening shape.When loosening main drawing line (12), spring (10) stretches compressing side's body (1), and distance increases between square body.Connected by surface layer (4) between side's body, on one side Fang Tixiang squints, a plurality of side's bodies have just formed an arc.
Claims (2)
1. chair backrest next to the shin, microscler side's body is fixed on the back rest supports post, and brachmorphy side's body is chained together under the effect of backrest surface layer and with microscler side's body; The aperture two ends are macropores in side's body, put into suitable spring between square body in the hole; Stay cord is connected on the main drawing line, and stay cord passes on the stay cord tie point that aperture macropore spring is fixed on terminal side's body.
2. according to the arc that under the effect of spring, forms between its characteristic side's body of claims 1 said chair backrest next to the shin, square body reaches the stressed protective effect of being close in all directions to back and both sides, back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201278650U CN202553031U (en) | 2012-03-30 | 2012-03-30 | Closed-fit backrest of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201278650U CN202553031U (en) | 2012-03-30 | 2012-03-30 | Closed-fit backrest of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202553031U true CN202553031U (en) | 2012-11-28 |
Family
ID=47202746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201278650U Expired - Fee Related CN202553031U (en) | 2012-03-30 | 2012-03-30 | Closed-fit backrest of chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202553031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861736A (en) * | 2019-11-29 | 2020-03-06 | 王明玉 | Waist-protecting saddle of electric vehicle |
-
2012
- 2012-03-30 CN CN2012201278650U patent/CN202553031U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861736A (en) * | 2019-11-29 | 2020-03-06 | 王明玉 | Waist-protecting saddle of electric vehicle |
| CN110861736B (en) * | 2019-11-29 | 2021-11-19 | 王明玉 | Waist-protecting saddle of electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20140330 |