CN103385613A - Double-backrest chair with backrest heights convenient to adjust - Google Patents
Double-backrest chair with backrest heights convenient to adjust Download PDFInfo
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- CN103385613A CN103385613A CN2013103440865A CN201310344086A CN103385613A CN 103385613 A CN103385613 A CN 103385613A CN 2013103440865 A CN2013103440865 A CN 2013103440865A CN 201310344086 A CN201310344086 A CN 201310344086A CN 103385613 A CN103385613 A CN 103385613A
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- backrest
- chair
- vertical tube
- seat board
- positive
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Abstract
The invention provides a double-backrest chair with backrest heights convenient to adjust. The chair comprises a seat board, a left front leg, a right front leg, a left rear leg, a right rear leg, a front backrest and a side backrest, wherein the heights of the front and side backrests are very convenient to adjust according to the needs. The double-backrest chair has the advantages that sitting on the chair, people feel more comfortable; the back and one hand can simultaneously lean on the chair; the direction of a human body is convenient to change by 90 degrees without moving the chair; the chair is very conveniently matched with long conference tables; and dozing on the chair is very easy and cosy. The chair belongs to the field of furniture.
Description
Technical field
A kind of convenient two chair with backrest of adjusting backrest height, relate to field of furniture, relates in particular to a kind of tool.
Background technology
At present traditional chair only has a backrest, and height can not adjust, and armed taking can be placed on hand on handrail, but while not moving chair can only towards a direction sit and be inconvenient to change towards; Modern revolvable too complexity and price are high; What do not have handrail is inconvenient to hold hand, if though the people changes direction, sit, can hold the hand back of the body and has had no backing.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure convenient adjust backrest height not only facilitate backrest but also convenient holder hand also convenient change human body towards chair.
A kind of convenient two chair with backrest of adjusting backrest height, be comprised of seat board, left front leg, RAT, left back leg, right rear leg, positive backrest and side backrest.Seat board is horizontally disposed.Left front leg, RAT, left back leg and four legs of right rear leg are fixed on respectively the place, four angles of seat board, and all are positioned at the seat board below, play a supportive role.Positive backrest is adjacent with the side backrest and lay respectively at above the back edge top and lateral edges of seat board.Two backrests are that the Height Adjustment of positive backrest and side backrest is very convenient, and positive backrest is identical with the maximum height of side backrest.Just backrest is straight or some radians is slightly arranged, and the angle of positive backrest and seat board is equal to or slightly greater than 90 °; Similarly, the side backrest is also straight or some radians slightly arranged, and the angle of side backrest and seat board is equal to or slightly greater than 90 °.
Positive backrest is comprised of portable plate, left branching rod, right pole and backstay; Portable plate consists of cross tube, lower transverse tubule, left vertical tube, right vertical tube and backup plate; Left branching rod and right pole vertically are fixed on the top, edge of seat board; Left vertical tube and right vertical tube are enclosed within respectively on left branching rod and right pole; Positive backrest moves up and down to adjust highly by portable plate; Down, in left vertical tube is vertical, hole dimension is a bit larger tham the cross dimension of left branching rod so that left branching rod conveniently is inserted in the vertical endoporus of left vertical tube for left riser upper end sealing, its vertical bore openings; Left branching rod has two or more lateral penetration hole from top to bottom; The lower end of left vertical tube have one with the endoporus sizableness of lower transverse tubule and coaxial lateral penetration hole so that backstay can be horizontally through smoothly, in order to the geocoded activity plate.Right pole and left branching rod size and structure are identical; Right vertical tube and left stack dimensions and structure are also identical.The size of side backrest and structure and positive backrest are identical.
A kind of convenient advantage of adjusting two chair with backrest of backrest height of the present invention is; Simple in structure, the people is sitting on this chair and feels more comfortable, and the back of the body and a hand can rely on simultaneously, and need not to move chair and can conveniently change human body towards 90 °, and can the height of adjusting positive backrest and side backrest convenient according to different human needs.
Description of drawings
Fig. 1 is a kind of convenient schematic diagram of adjusting two chair with backrest of backrest height of the present invention.
Fig. 2 is positive backrest that the lateral penetration hole count of the left branching rod in a kind of convenient positive backrest of two chair with backrest of adjusting backrest height of the present invention is three the amplification schematic diagram while being in extreme higher position.
in figure: 1 is seat board, 21 is left front leg, 22 is RAT, 23 is left back leg, 24 is right rear leg, 31 is positive backrest, 32 is the side backrest, 311 is portable plate, 3111 is cross tube, 3112 is lower transverse tubule, 3113 is left vertical tube, 3114 is right vertical tube, 3115 is backup plate, 312 is left branching rod, 3121 is the axis of the upper horizontal through hole of left branching rod, 3122 is the axis in the middle lateral penetration hole of left branching rod, 3123 is the axis of the lower horizontal through hole of left branching rod, 313 is right pole, 3131 is the axis of the upper horizontal through hole of right pole, 3132 is the axis in the middle lateral penetration hole of right pole, 3133 is the axis of the lower horizontal through hole of right pole, 314 is backstay.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is illustrated: with reference to accompanying drawing 1 and accompanying drawing 2, a kind of convenient two chair with backrest of adjusting backrest height, be comprised of seat board 1, left front leg 21, RAT 22, left back leg 23, right rear leg 24, positive backrest 31 and side backrest 32.Seat board 1 is horizontally disposed.Left front leg 21, RAT 22, left back leg 23 and 24 4 legs of right rear leg are fixed on respectively the place, four angles of seat board 1, and all are positioned at seat board 1 below, play a supportive role.Positive backrest 31 is adjacent with side backrest 32 and be positioned at the top of seat board 1.Two backrests are that the Height Adjustment of positive backrest 31 and side backrest 32 is very convenient, and positive backrest 31 is identical with the maximum height of side backrest 32.Just backrest 31 is straight or some radians is slightly arranged, and positive backrest 31 is equal to or slightly greater than 90 ° with the angle of seat board 1; Similarly, side backrest 32 is also straight or some radians slightly arranged, and side backrest 32 is equal to or slightly greater than 90 ° with the angle of seat board 1.
Take the lateral penetration hole count of the left branching rod 312 in positive backrest 31, be now three as example, illustrate a kind of convenient two chair with backrest of adjusting backrest height of the present invention are how to adjust highly;
Left branching rod 312 has lateral penetration hole, three of upper, middle and lower from top to bottom, the right pole 313 of identical height and position, three lateral penetration holes is arranged also from top to bottom, and these six lateral penetration hole sizes are identical.The upper horizontal through hole of left branching rod 312 is same high and coaxial with the upper horizontal through hole of right pole 313, the middle lateral penetration hole of left branching rod 312 is with the middle lateral penetration hole of right pole 313 with high and coaxial, and the lower horizontal through hole of left branching rod 312 is same high and coaxial with the lower horizontal through hole of right pole 313.
at first portable plate 311 is enclosed within on left branching rod 312 and right pole 313 from top to bottom, be that left branching rod 312 and right pole 313 are inserted into respectively left vertical tube 3113 and right vertical tube 3114, and make lower transverse tubule 3112 endoporus coaxial with the lower horizontal through hole of left branching rod 312 and right pole 313, then backstay 314 is inserted from left to right the lateral penetration hole of left vertical tube 3113, the lower horizontal through hole of left branching rod 312, lower transverse tubule 3112 endoporus, the lateral penetration hole of right vertical tube 3114 and the lower horizontal through hole of right pole 313, portable plate 311 was fixed and was in extreme lower position this moment, be that positive backrest 31 is in extreme lower position, when if side backrest 32 equally also is in extreme lower position, this moment, the total height of this chair was the shortest state.
in order to promote the height of this chair, total height at above-mentioned this chair is on the basis of the shortest state, backstay 314 is pulled out fully, portable plate 311 is improved and makes lower transverse tubule 3112 endoporus coaxial with the middle lateral penetration hole of left branching rod 312 and right pole 313, then backstay 314 is inserted from left to right the lateral penetration hole of left vertical tube 3113, the middle lateral penetration hole of left branching rod 312, lower transverse tubule 3112 endoporus, the middle lateral penetration hole of the lateral penetration hole of right vertical tube 3114 and right pole 313, this moment portable plate 311 height and position that mediates, it is positive backrest 31 height and position that mediates, the height and position or while being in extreme lower position if side backrest 32 equally also mediates, this moment, the total height of this chair was intermediateness.
the total height of this chair can also be toward raising, backstay 314 is pulled out fully, continuation up improves portable plate 311, make lower transverse tubule 3112 endoporus coaxial with the upper horizontal through hole of left branching rod 312 and right pole 313, then backstay 314 is inserted from left to right the lateral penetration hole of left vertical tube 3113, the upper horizontal through hole of left branching rod 312, lower transverse tubule 3112 endoporus, the lateral penetration hole of right vertical tube 3114 and the upper horizontal through hole of right pole 313, this moment, portable plate 311 was in extreme higher position, be that positive backrest 31 is in extreme higher position, this moment, the total height of this chair was high state.
if the positive backrest height of this chair will be adjusted to low level from a high position, total height at above-mentioned this chair is on the basis of high state, backstay 314 is pulled out fully, portable plate 311 is reduced and makes lower transverse tubule 3112 endoporus coaxial with the middle lateral penetration hole of left branching rod 312 and right pole 313, then backstay 314 is inserted from left to right the lateral penetration hole of left vertical tube 3113, the middle lateral penetration hole of left branching rod 312, lower transverse tubule 3112 endoporus, the middle lateral penetration hole of the lateral penetration hole of right vertical tube 3114 and right pole 313, this moment portable plate 311 height and position that mediates, it is positive backrest 31 height and position that mediates, the height and position or while being in extreme lower position if side backrest 32 equally also mediates, this moment, the total height of this chair was intermediateness.
Certainly, the same convenient height of adjusting of side backrest 32.Side backrest 32 and positive backrest 31 are independently, and making positive backrest 31 and side backrest 32 is all a thing easily with height or different height.
Suppose that this chair is just standing on the ground of level, seat board 1 is horizontally disposed, relative seat board 1 center, positive backrest 31 is in the north, and side backrest 32 is in west, and the people faces south and sits, leaning against positive backrest 31, the right hand is placed on side backrest 32, also a side direction right hand can be supported by the right hand, and it is very comfortable sitting like this; Can certainly change easily a direction, need not to move chair, as long as people's body is turned eastwards, the descendant that the turns round back of the body just leans against on side backrest 32, and this moment, left hand just can be placed on positive backrest 31, sat so comfortable equally.
This chair and microscler conference table are used in conjunction with very convenient, that suppose that minor face of conference table sits is the host, except the host other people can through be everlasting towards the people on opposite and towards in these two kinds of state orientations of host alternately, many convenient two chair with backrest of adjusting backrest height of the present invention are placed in symmetrically two long edge positions of conference table, as long as the direction of chair is put correctly, sit this chair more convenient, need not to move chair can realize changing towards.
The people is sitting on convenient two chair with backrest of adjusting backrest height of the present invention and feels more comfortable, and the back of the body and hand are all reliable, plays individual doze and is one and is easy to and very satisfied thing.
Claims (4)
1. one kind facilitates two chair with backrest of adjusting backrest height, it is characterized in that, by seat board (1), left front leg (21), RAT (22), left back leg (23), right rear leg (24), positive backrest (31) and side backrest (32), formed; Left front leg (21), RAT (22), left back leg (23) and (24) four legs of right rear leg are arranged in respectively the place, four angles of seat board (1), and all are positioned at seat board (1) below; Positive backrest (31) is adjacent with side backrest (32) and be positioned at the top of seat board (1); Positive backrest (31) is comprised of portable plate (311), left branching rod (312), right pole (313) and backstay (314); Portable plate (311) consists of cross tube (3111), lower transverse tubule (3112), left vertical tube (3113), right vertical tube (3114) and backup plate (3115); Left branching rod (312) and right pole (313) vertically are fixed on the top, edge of seat board (1); Left vertical tube (3113) and right vertical tube (3114) are enclosed within respectively on left branching rod (312) and right pole (313); Left vertical tube (3113) upper end closed, its vertical bore openings is down; Left branching rod (312) has two or more lateral penetration hole from top to bottom, the lower end of left vertical tube (3113) have one with the endoporus sizableness of lower transverse tubule (3112) and coaxial lateral penetration hole, so that backstay (314) can be horizontally through smoothly, in order to geocoded activity plate (311); Right pole (313) and left branching rod (312) size and structure are identical; Right vertical tube (3114) is also identical with left vertical tube (3113) size and structure; The size of side backrest (32) and structure and positive backrest (31) are identical.
2. a kind of convenient two chair with backrest of adjusting backrest height according to claim 1, is characterized in that, seat board (1) is horizontally disposed.
3. a kind of convenient two chair with backrest of adjusting backrest height according to claim 1, is characterized in that, positive backrest (31) is identical with the maximum height of side backrest (32).
4. a kind of convenient two chair with backrest of adjusting backrest height according to claim 1, is characterized in that, just backrest (31) is straight or some radians are slightly arranged, and positive backrest (31) is equal to or slightly greater than 90 ° with the angle of seat board (1); Similarly, side backrest (32) is also straight or some radians slightly arranged, and side backrest (32) is equal to or slightly greater than 90 ° with the angle of seat board (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103440865A CN103385613A (en) | 2013-07-30 | 2013-07-30 | Double-backrest chair with backrest heights convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103440865A CN103385613A (en) | 2013-07-30 | 2013-07-30 | Double-backrest chair with backrest heights convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103385613A true CN103385613A (en) | 2013-11-13 |
Family
ID=49530169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103440865A Pending CN103385613A (en) | 2013-07-30 | 2013-07-30 | Double-backrest chair with backrest heights convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103385613A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2083433U (en) * | 1990-04-19 | 1991-08-28 | 刘学 | Multipurpose chair |
| CN201492034U (en) * | 2009-07-27 | 2010-06-02 | 蒋杰 | Multifunctional chair |
| CN201798312U (en) * | 2010-08-13 | 2011-04-20 | 上海市闵行第二中学 | Chair with adjustable-height chair back |
| CN102151021A (en) * | 2010-03-27 | 2011-08-17 | 卢顺接 | Chair with backrest capable of moving forward and backward |
| CN202567000U (en) * | 2012-05-15 | 2012-12-05 | 王永妍 | Multifunctional chair |
| CN102860684A (en) * | 2012-09-10 | 2013-01-09 | 上海理工大学 | Manual multi-posture chair |
| CN202981054U (en) * | 2012-12-24 | 2013-06-12 | 周建峰 | Chair |
| CN203073808U (en) * | 2013-01-02 | 2013-07-24 | 余香香 | Folding bed-chair |
| CN203388557U (en) * | 2013-07-30 | 2014-01-15 | 刘自拔 | Double-backrest chair with backrest heights convenient to adjust |
-
2013
- 2013-07-30 CN CN2013103440865A patent/CN103385613A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2083433U (en) * | 1990-04-19 | 1991-08-28 | 刘学 | Multipurpose chair |
| CN201492034U (en) * | 2009-07-27 | 2010-06-02 | 蒋杰 | Multifunctional chair |
| CN102151021A (en) * | 2010-03-27 | 2011-08-17 | 卢顺接 | Chair with backrest capable of moving forward and backward |
| CN201798312U (en) * | 2010-08-13 | 2011-04-20 | 上海市闵行第二中学 | Chair with adjustable-height chair back |
| CN202567000U (en) * | 2012-05-15 | 2012-12-05 | 王永妍 | Multifunctional chair |
| CN102860684A (en) * | 2012-09-10 | 2013-01-09 | 上海理工大学 | Manual multi-posture chair |
| CN202981054U (en) * | 2012-12-24 | 2013-06-12 | 周建峰 | Chair |
| CN203073808U (en) * | 2013-01-02 | 2013-07-24 | 余香香 | Folding bed-chair |
| CN203388557U (en) * | 2013-07-30 | 2014-01-15 | 刘自拔 | Double-backrest chair with backrest heights convenient to adjust |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131113 |
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| RJ01 | Rejection of invention patent application after publication |