CN201814178U - Chair with adjustable backrest - Google Patents
Chair with adjustable backrest Download PDFInfo
- Publication number
- CN201814178U CN201814178U CN2010205138477U CN201020513847U CN201814178U CN 201814178 U CN201814178 U CN 201814178U CN 2010205138477 U CN2010205138477 U CN 2010205138477U CN 201020513847 U CN201020513847 U CN 201020513847U CN 201814178 U CN201814178 U CN 201814178U
- Authority
- CN
- China
- Prior art keywords
- backrest
- chair
- projection
- seat
- section
- 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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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a chair with an adjustable backrest, comprising a seat plate and a backrest which is fixedly connected with the seat plate, wherein the included angle between the backrest and the seat plate is an obtuse angle. The chair with the adjustable backrest is characterized in that the backrest comprises an upper backrest section and a lower backrest section; one end of the lower backrest section is fixedly connected with the seat plate, and the other end of the lower backrest section is provided with a groove for the penetration of the backrest upper section; two sides of the backrest upper section are symmetrically provided with protrusions which are contractible horizontally and elastically; and the internal wall of the groove is uniformly provided with through holes at intervals from top to bottom, wherein the protrusions penetrate out of the lower backrest section through the through holes simultaneously. The chair with the adjustable backrest is comfortable, and has simple structure.
Description
Technical field
The utility model relates to a kind of chair, relates in particular to a kind of chair of adjustable back.
Background technology
Chair is the necessity of daily life, particularly need often be sitting in the personnel that handle official business on the chair for those, and a comfortable chair just seems even more important.
At present, people have designed various comfortable chairs, as Chinese patent application number is 91223818.6, the day for announcing is that the utility model patent on April 22nd, 1992 discloses a kind of chair, comprise seat, the chair frame is characterized in that: seat is fixed on the chair frame with active connection, but the angle free adjustment of seat.Though this utility model can be according to different users's needs and is arbitrarily tilted forward and back, make the equal anacidity picotement of user's waist leg, indefatigability, and can select visual angle preferably, all very beneficial to body development and eyesight.But can't carry out the lift adjustment of the chair back because its back fixedly installs, and cause above-mentioned chair can't satisfy different users's demand, so its level of comfort is not ideal enough.
The utility model content
Technical problem to be solved in the utility model provides a kind of chair of a kind of adjustable back more comfortable and simple in structure.
For realizing above purpose, the technical scheme that the utility model adopted is: a kind of chair of adjustable back, comprise seat and the backrest of fixedlying connected with seat, the angle of this backrest and seat is the obtuse angle, it is characterized in that: described backrest is made up of backrest epimere and backrest hypomere, one end of described backrest hypomere is fixedlyed connected with seat, the other end of described backrest hypomere is provided with the groove that penetrates for described backrest epimere, the bilateral symmetry of described backrest epimere is provided with projection, but this projection horizontal resiliency is flexible, and the inwall of described groove is even from top to bottom, being provided with at interval supplies projection to pass the perforation of described backrest hypomere simultaneously.
The longitudinal section of described backrest is a rectangle.
The end face of described projection is a sphere.
Compared with prior art, the beneficial effects of the utility model are:
1. because the chair of a kind of adjustable back of the present utility model is provided with the groove that penetrates for described backrest epimere at the other end of described backrest hypomere, the bilateral symmetry of described backrest epimere is provided with projection, but this projection horizontal resiliency is flexible, the inwall of described groove is even from top to bottom, being provided with at interval supplies projection to pass the perforation of described backrest hypomere simultaneously, the user can be according to the position of position adjustments backrest epimere in groove of perforation during use, and by protruding the cooperation backrest epimere being fixed with perforation, thereby realize the lift adjustment of backrest, satisfy different users's user demand, therefore the utility model is more comfortable, and simple in structure.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: seat 10, backrest 11, backrest epimere 11a, backrest hypomere 11b, projection 13, perforation 12.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further details
Referring to shown in Figure 1, a kind of chair of adjustable back, comprise seat 10 and the backrest 11 of fixedlying connected with seat 10, the longitudinal section of backrest 11 is a rectangle, this backrest 11 is the obtuse angle with the angle of seat 10, backrest 11 is made up of backrest epimere 11a and backrest hypomere 11b, the end of backrest hypomere 11b is fixedlyed connected with seat 10, the other end of backrest hypomere 11b is provided with the groove (not shown) that penetrates for backrest epimere 11a, the bilateral symmetry of backrest epimere 11a is provided with projection 13, but this projection horizontal resiliency is flexible, and the inwall of described groove is even from top to bottom, being provided with at interval supplies projection 13 to pass the perforation of backrest hypomere 11b simultaneously.
The end face of preferred projection 13 is a sphere.
The user can be according to the position of position adjustments backrest epimere 11a in groove of perforation 12 during use, and 12 cooperate backrest epimere 11a is fixed with boring a hole by projection 13, thereby realize the lift adjustment of backrest 11, satisfy different users's user demand, therefore the utility model is more comfortable, and simple in structure.
Claims (3)
1. the chair of an adjustable back, comprise seat and the backrest of fixedlying connected with seat, the angle of this backrest and seat is the obtuse angle, it is characterized in that: described backrest is made up of backrest epimere and backrest hypomere, one end of described backrest hypomere is fixedlyed connected with seat, the other end of described backrest hypomere is provided with the groove that penetrates for described backrest epimere, the bilateral symmetry of described backrest epimere is provided with projection, but this projection horizontal resiliency is flexible, and the inwall of described groove is even from top to bottom, being provided with of interval supplies projection to pass the perforation of described backrest hypomere simultaneously.
2. the chair of a kind of adjustable back according to claim 1, it is characterized in that: the longitudinal section of described backrest is a rectangle.
3. the chair of a kind of adjustable back according to claim 1 and 2, it is characterized in that: the end face of described projection is a sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205138477U CN201814178U (en) | 2010-09-02 | 2010-09-02 | Chair with adjustable backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205138477U CN201814178U (en) | 2010-09-02 | 2010-09-02 | Chair with adjustable backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201814178U true CN201814178U (en) | 2011-05-04 |
Family
ID=43912148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205138477U Expired - Fee Related CN201814178U (en) | 2010-09-02 | 2010-09-02 | Chair with adjustable backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201814178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101926567A (en) * | 2010-09-02 | 2010-12-29 | 苏州星岛金属制品有限公司 | Chair with adjustable backrest |
-
2010
- 2010-09-02 CN CN2010205138477U patent/CN201814178U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101926567A (en) * | 2010-09-02 | 2010-12-29 | 苏州星岛金属制品有限公司 | Chair with adjustable backrest |
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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: 20110504 Termination date: 20110902 |