CN203388557U - Double-backrest chair with backrest heights convenient to adjust - Google Patents
Double-backrest chair with backrest heights convenient to adjust Download PDFInfo
- Publication number
- CN203388557U CN203388557U CN201320478148.7U CN201320478148U CN203388557U CN 203388557 U CN203388557 U CN 203388557U CN 201320478148 U CN201320478148 U CN 201320478148U CN 203388557 U CN203388557 U CN 203388557U
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- backrest
- chair
- vertical tube
- seat board
- positive
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Abstract
The utility model 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 when sitting on the chair, people feel more comfortable; the back and one hand can simultaneously lean on the chair; the direction of the human body is convenient to change by 90 degrees, without moving the chair; the chair is very conveniently matched with long conference tables; dozing on the chair is very easy and is cosy. The chair belongs to the field of furniture.
Description
Technical field
Two chair with backrest of adjusting backrest height, relate to field of furniture, relate 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 sat though people changes direction, can hold the hand back of the body and has had no backing.
Summary of the invention
The object 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.
Adjust two chair with backrest for backrest height, by seat board, left front leg, RAT, left back leg, right rear leg, positive backrest and side backrest, formed.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, Si Ge angle of seat board, and are all positioned at seat board below, play a supportive role.Positive backrest is adjacent with 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.Positive backrest is straight or some radians slightly, and the angle of positive backrest and seat board is equal to or slightly greater than 90 °; Similarly, side backrest is also straight or some radians slightly, 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 are vertically 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; Left riser upper end sealing, down, the cross dimension that in left vertical tube is vertical, hole dimension is a bit larger tham left branching rod is so that left branching rod is conveniently inserted in the vertical endoporus of left vertical tube 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 geocoded activity plate.Right pole is identical with left branching rod size and structure; Right vertical tube is also identical with left stack dimensions and structure.The size of side backrest and structure are identical with positive backrest.
A kind of convenient advantage of adjusting two chair with backrest of backrest height of the present invention is; Simple in structure, people is sitting on this chair and feels more comfortable, and the back of the body and a hand can rely on simultaneously, without moving chair, can conveniently change human body towards 90 °, and can be according to the convenient height of adjusting positive backrest and side backrest of different human needs.
Accompanying drawing explanation
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 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 schematic diagram of positive backrest when extreme higher position that be three amplification.
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 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, are 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, Si Ge angle of seat board 1, and are all 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.Positive backrest 31 is straight or some radians slightly, 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, and side backrest 32 is equal to or slightly greater than 90 ° with the angle of seat board 1.
The lateral penetration hole count of the left branching rod 312 in positive backrest 31 of now take is three to be example, illustrates 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, also has three lateral penetration holes 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.
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 to 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, now portable plate 311 is fixed and in extreme lower position, be that positive backrest 31 is in extreme lower position, if side backrest 32 is equally also when extreme lower position, now the total height of this chair is 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 completely, 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 to 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, portable plate 311 height and position that mediates now, it is positive backrest 31 height and position that mediates, the height and position or when extreme lower position if side backrest 32 equally also mediates, now the total height of this chair is intermediateness.
The total height of this chair can also be toward raising, backstay 314 is pulled out completely, 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 to 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, now portable plate 311 is in extreme higher position, be that positive backrest 31 is in extreme higher position, now the total height of this chair is 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 completely, 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 to 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, portable plate 311 height and position that mediates now, it is positive backrest 31 height and position that mediates, the height and position or when extreme lower position if side backrest 32 equally also mediates, now the total height of this chair is 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 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, without moving 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 now left hand just can be placed on positive backrest 31, sits 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 host, except 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 to the Liang Ge long edge position of conference table, as long as the direction of chair is put correctly, sit this chair more convenient, without move chair can realize change towards.
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, Si Ge angle of seat board (1), and are all 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) are vertically 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) is identical with left branching rod (312) size and structure; Right vertical tube (3114) is also identical with left vertical tube (3113) size and structure; The size of side backrest (32) and structure are identical with positive backrest (31).
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, positive backrest (31) is straight or some radians slightly, and the angle of positive backrest (31) and seat board (1) is equal to or slightly greater than 90 °; Similarly, side backrest (32) is also straight or some radians slightly, 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 |
|---|---|---|---|
| CN201320478148.7U CN203388557U (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 |
|---|---|---|---|
| CN201320478148.7U CN203388557U (en) | 2013-07-30 | 2013-07-30 | Double-backrest chair with backrest heights convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203388557U true CN203388557U (en) | 2014-01-15 |
Family
ID=49900124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320478148.7U Expired - Fee Related CN203388557U (en) | 2013-07-30 | 2013-07-30 | Double-backrest chair with backrest heights convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203388557U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103385613A (en) * | 2013-07-30 | 2013-11-13 | 刘自拔 | Double-backrest chair with backrest heights convenient to adjust |
| CN107444198A (en) * | 2017-08-18 | 2017-12-08 | 江西江铃汽车集团改装车股份有限公司 | Seat assembly and the automobile containing the seat assembly |
-
2013
- 2013-07-30 CN CN201320478148.7U patent/CN203388557U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103385613A (en) * | 2013-07-30 | 2013-11-13 | 刘自拔 | Double-backrest chair with backrest heights convenient to adjust |
| CN107444198A (en) * | 2017-08-18 | 2017-12-08 | 江西江铃汽车集团改装车股份有限公司 | Seat assembly and the automobile containing the seat assembly |
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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: 20140115 Termination date: 20170730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |