CN202698439U - Chair - Google Patents
Chair Download PDFInfo
- Publication number
- CN202698439U CN202698439U CN 201220360137 CN201220360137U CN202698439U CN 202698439 U CN202698439 U CN 202698439U CN 201220360137 CN201220360137 CN 201220360137 CN 201220360137 U CN201220360137 U CN 201220360137U CN 202698439 U CN202698439 U CN 202698439U
- Authority
- CN
- China
- Prior art keywords
- backrest
- seat support
- fixing body
- chair
- hollow ring
- 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 Characterized By Structure (AREA)
Abstract
The utility model relates to a chair. The utility model has the purpose of providing a chair with simple structure and adjustable backrest. A user can adjust the included angle between the backrest and a chair seat to obtain a comfortable sitting posture. The chair provided by the utility model comprises a bottom support, the chair seat, the backrest and an adjusting device, wherein the adjusting device comprises a fixed part and a moving part; the fixed part comprises a chair seat installing body and a spring cylinder, the spring cylinder comprises a hollow circular ring with a notch and a spring inserted into the hollow circular ring, one end of the notch of the hollow circular ring is closed, the other end is provided with an opening along the centerline of the inner circular wall, and the hollow circular ring is fixedly installed on the chair seat installing body; and the movable part comprises a movable backrest installing body, a compression bar and a rotating shaft, the rotating shaft penetrates through the chair seat installing body and the spring cylinder, the movable backrest installing body and the compression bar are fixedly installed on the rotating shaft, and one end of the compression bar is buckled on the spring at the opening of the hollow circular ring.
Description
Technical field
The utility model relates to a kind of chair, particularly relates to a kind of chair that can regulate backrest, belongs to technical field of furniture manufacturing.
Background technology
The people drives, handles official business tired easily for a long time, people can do some actions of straightening one's back backward and come fatigue-relieving, yet the seat support of conventional chair and the angle between the backrest are normally fixed, it is very limited that the user adjusts the mode of sitting posture, not only affect the comfortableness of sitting posture, also produce easily fatigue, bring out the diseases such as lumbar vertebrae, cervical vertebra.
The utility model content
The technical problems to be solved in the utility model provides a kind of chair of simple in structure, adjustable backrest, and the user can adjust angle between backrest and seat support according to the needs of self, obtains comfortable sitting posture.
For solving the problems of the technologies described above, the utility model chair, comprise bottom bracket, seat support, backrest and adjusting device, wherein said adjusting device comprises standing part and movable part, described standing part comprises seat support fixing body and spring strut, described spring strut is comprised of a hollow ring jaggy and the spring that is inserted in the described hollow ring, the one end sealing of described hollow ring breach, the other end has an opening along the inner round wall center line of ring, described hollow ring is fixedly mounted on the seat support fixing body, described movable part comprises the movable backrest fixing body, depression bar and rotating shaft, described rotating shaft is passed seat support fixing body and spring strut and is arranged, be mounted with movable backrest fixing body and depression bar in the described rotating shaft, an end of described depression bar is withheld on the spring of described hollow ring opening part.
The adjustable chair of the utility model backrest, the opening of wherein said hollow ring are that a length is 1/4th of hollow ring girth.
The adjustable chair of institute's the utility model backrest is wherein stated the seat support fixing body and is fixed by chair mounted hole and seat support, and end cap is buckled on the seat support fixing body.
The adjustable chair of the utility model backrest, wherein said movable backrest fixing body is fixed on the backrest by the backrest installing hole.
The adjustable chair of the utility model backrest, wherein said adjusting device be one of the each side installation of seat, and with the coaxial connection of rotating shaft.
Compared with prior art, the utility model drives depression bar and rotates backward leaning against applied pressure by human body, and an end of depression bar is along the opening Compress Spring of hollow ring, thereby backrest is receded, and makes thus people obtain needed sitting posture.
Below in conjunction with accompanying drawing the adjustable chair of backrest of the present utility model is described further.
Description of drawings
Fig. 1 is that the master of the utility model chair adjusting device looks cutaway view;
Fig. 2 is the exploded view of the utility model chair adjusting device;
Fig. 3 is the shaft side figure of the utility model chair adjusting device;
Fig. 4 is the stereogram of the utility model chair.
The specific embodiment
Such as Fig. 1, Fig. 2 and shown in Figure 4, the utility model chair, comprise bottom bracket 1, seat support 2, backrest 3 and adjusting device, wherein adjusting device comprises standing part and movable part, standing part comprises seat support fixing body 4 and spring strut 8, spring strut 8 is comprised of with the spring 9 that is inserted in the hollow ring a hollow ring 7 jaggy, the one end sealing of hollow ring 7 breach, the other end is along the inner round wall center line opening that to have a length be annulus 1/4th girths of ring, hollow ring 7 is fixedly mounted on the seat support fixing body 4, rotating shaft 10 is passed seat support fixing body 4 and spring strut 8 and is arranged, be mounted with movable backrest fixing body 5 and depression bar 6 in the rotating shaft 10, withhold on the spring 9 of the opening part of hollow ring 7 upper end of depression bar 5, when the backward pressured backrest 3 of human body, backrest 3 coaxial drive depression bars 6 rotate backward, and the compression spring 9 that is installed in the hollow ring 7 is compressed along the opening of hollow ring 7 in the top of depression bar 6, and backrest 3 is receded; When the depended on pressure of human body reduced, compression spring 9 reverse push moulded rods 6 also drove movable backrest fixing bodies 5 and backrest 3 resets by rotating shaft 8.Thereby by regulating backrest, make the people obtain comfortable sitting posture.
As shown in Figure 4, seat support fixing body 4 is fixed on the seat support 2 by the seat support installing hole, and end cap 11 is buckled on the seat support fixing body 4, and movable backrest fixing body 5 is fixed on the backrest 3 by the backrest installing hole, adjusting device is one of the each side installation of chair, and with 10 coaxial connections of rotating shaft.
Above-described embodiment is described preferred embodiment of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (5)
1. chair, comprise bottom bracket (1), seat support (2), backrest (3) and adjusting device, it is characterized in that: described adjusting device comprises standing part and movable part, described standing part comprises seat support fixing body (4) and spring strut (8), described spring strut (8) is by a hollow ring jaggy (7) and be inserted in the inner spring (9) of described hollow ring (7) and form, the one end sealing of described hollow ring (7) breach, the other end has an opening along the inner round wall center line of ring, described hollow ring (7) is fixedly mounted on the described seat support fixing body (4), described movable part comprises movable backrest fixing body (5), depression bar (6) and rotating shaft (10), described rotating shaft (10) is passed seat support fixing body (4) and spring strut (8) and is arranged, be mounted with movable backrest fixing body (5) and depression bar (6) in the described rotating shaft (10), an end of described depression bar (6) is withheld on the spring (9) of described hollow ring (7) opening part.
2. chair according to claim 1, it is characterized in that: the opening of described hollow ring (7) is that a length is 1/4th of hollow ring girth.
3. chair according to claim 1 is characterized in that: described seat support fixing body (4) is fixed by seat support installing hole (41) and seat (2), and end cap (11) buckle closure is on seat support fixing body (4).
4. chair according to claim 1, it is characterized in that: described movable backrest fixing body (5) is fixed on the backrest (3) by backrest installing hole (51).
5. chair according to claim 1 is characterized in that: described adjusting device is one of the each side installation of seat support, and is connected with rotating shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360137 CN202698439U (en) | 2012-07-24 | 2012-07-24 | Chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360137 CN202698439U (en) | 2012-07-24 | 2012-07-24 | Chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202698439U true CN202698439U (en) | 2013-01-30 |
Family
ID=47578795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220360137 Expired - Fee Related CN202698439U (en) | 2012-07-24 | 2012-07-24 | Chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202698439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103169303A (en) * | 2013-03-07 | 2013-06-26 | 曹洪新 | Adaptive seat |
-
2012
- 2012-07-24 CN CN 201220360137 patent/CN202698439U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103169303A (en) * | 2013-03-07 | 2013-06-26 | 曹洪新 | Adaptive seat |
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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: 20130130 Termination date: 20130724 |