CN2770453Y - Adjustable table-chair - Google Patents
Adjustable table-chair Download PDFInfo
- Publication number
- CN2770453Y CN2770453Y CN 200420055478 CN200420055478U CN2770453Y CN 2770453 Y CN2770453 Y CN 2770453Y CN 200420055478 CN200420055478 CN 200420055478 CN 200420055478 U CN200420055478 U CN 200420055478U CN 2770453 Y CN2770453 Y CN 2770453Y
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- CN
- China
- Prior art keywords
- chair
- height
- chairs
- chair seat
- tables
- 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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Abstract
The utility model relates to an adjustable table-chair. The heights of the table and the chair seat can rise and fall, when the height of the chair seat rises or falls, the chair back can be driven to move forward and backward, so that the effective depth of the chair seat can change at the same time. The utility model has the structure that a screw nut is fixed to the inside of a table bottom cylinder, one end of a threaded spindle is connected with the screw nut, the other end of the threaded spindle is positioned with a bearing fixed to the upper frame and fixed to a chainwheel, a rotating handle of one of the threaded spindles is rotated through an annular enclosed chain engaging with the four chainwheels on the four threaded spindles, then four sets of screw pairs rotate and the height of the table can rise and fall. When a handle on the threaded spindle which is connected with a screw nut in a chair bottom cylinder is rotated, the height of the chair seat can rise and fall, which drives a rotational stand hinged with a roller to rotate at the same time, so that the chair back fixed to the roller can horizontally move in a slideway together with the rotational stand. When the height of the chair seat rises or falls, the effective depth of the chair seat can change at the same time. The adjustable table-chair is suitable for students in the development of growth in primary and middle schools and people with different heights.
Description
Technical field
The utility model relates to high adjusting of a kind of table, and the tables and chairs of seat height, seat effective depth (seat leading edge mid point is to the horizontal range between the backrest lower edge mid point) energy adjusted in concert are specially adapted to students in middle and primary schools and use.
Background technology
As everyone knows, general tables and chairs mostly are that structure is fixing, and the adjustable tables and chairs of part are the just lifting of height also, and regulative mode mostly is on the tables and chairs support dismounting securing member and finishes, and is not easy to operation.Though pneumatic chair and swivel chair can conveniently be regulated height, the seat effective depth can not be regulated thereupon, and the user can not be with correct sitting posture against on the backrest.From hygiene of children and adolescents as can be known, tables and chairs are a kind of supporting use products, and user's height is high with table, and seat height and seat effective depth should have rational size coupling, use just and can feel comfortably cool, and minimizing is tired, helps health.National standard (GB3976-83) " school desk's chair functional dimension " has respective specified to this.Use the normal development and the eyesight that will influence bone with the incompatible tables and chairs of height to descend if the user is long-term, endanger healthyly, so these class tables and chairs have improved necessity.The purpose of this utility model is at the deficiencies in the prior art, and the table that provides a kind of energy to adapt to different height people's uses is high, and seat height and seat effective depth be the tables and chairs regulated of interlock synchronously.
Summary of the invention
The technical solution of the utility model is to utilize screw pair motion to drive chain and sprocket driving device to make many group screw pairs be synchronized with the movement to realize the height change of table; Utilize screw pair motion drivening rod slide block mechanism to rotate, slide, realize the synchronous variation of seat height and seat effective depth.
The table that can regulate in the tables and chairs comprises compositions such as top frame 1, end tube 8, base 9, turning handle 6, it is characterized in that between sprocket wheel 2 and the base 9 it being that top frame 1, bearing 4, lead screw shaft 5, split pin 17, screw 7 are connected with end tube 8, chain 3 is connected with a joggle with sprocket wheel 2 sealings, and sprocket wheel 2, chain 3, bearing 4, lead screw shaft 5 are more than two.
The chair that can regulate in the tables and chairs comprises top frame 1, end tube 8, base 9, turning handle 6 compositions such as grade, it is characterized in that between top frame 1 and the base 9 it being bearing 4, lead screw shaft 5, screw 7 is connected with end tube 8, rotating turret 12 is hinged with base 9 respectively, with roller 11, brace 14, shaft shoulder bolt 16, backing tube 15, slideway 10 connects, rotatable lamella 13 is hinged with top frame 1 and rotating turret 12 respectively, can replace two with upper roller 11 with a slide block, also can replace roller 11 and slideway 10, the strip gab of width greater than shaft shoulder bolt 16 diameters arranged on the slideway 10 with track-type facilities.
Description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of table in the utility model.
Accompanying drawing 2 is left TV structure schematic diagrames of table in the utility model.
Accompanying drawing 3 is main TV structure schematic diagrames of chair in the utility model.
Accompanying drawing 4 is left TV structure schematic diagrames of chair in the utility model.
Accompanying drawing 5 is the main TV structure schematic diagrames when table is regulated low spot in the utility model.
Accompanying drawing 6 is the main TV structure schematic diagrames when chair is regulated low spot in the utility model.
Accompanying drawing 7 is the local structure for amplifying schematic diagrames of the part parts link position of chair in the utility model.
Accompanying drawing 8 is part parts link position structural representations of chair in the utility model.
Wherein, frame 1, sprocket wheel 2, chain 3, bearing 4, lead screw shaft 5, turning handle 6, screw 7, end tube 8, base 9, slideway 10, roller 11, rotating turret 12, rotatable lamella 13, brace 14, backing tube 15, shaft shoulder bolt 16, split pin 17 above.
Specific implementation method
When regulating table, the turning handle 6 of rotational fixation on lead screw shaft 5, lead screw shaft 5 is passed the bearing 4 of the frame 1 that is fixed in the above, other three sprocket wheels 2 are rotated and drive in chain 3 sealings that make fixing with it sprocket wheel 2 and be engaged with, three lead screw shaft 5 rotate with the screw 7 that is fixed in the base 9 upper base tubes 8, make the high generation change in size of table.Sprocket wheel 2, lead screw shaft 5, screw 7 can be four, also can be more than two.Split pin 17 is installed on the lead screw shaft 5, and lead screw shaft 5 can not screw out from screw 7 when making table rise peak, plays safe position-limiting action.
When regulating chair, the turning handle 6 of rotational fixation on lead screw shaft 5, lead screw shaft 5 rotates with the screw 7 that is fixed in the base 9 upper base tubes 8, make when the seat height changes to drive and rotate with the hinged rotating turret 12 of base 9, the roller 11 that is connected with rotating turret 12, brace 14, shaft shoulder bolt 16, backing tube 15 rotate and with the fixing slideway 10 of top frame 1 in slide, make backing tube 15 drive backrest and move horizontally, make seat High variation while seat effective depth change.The quantity of roller 11 and shaft shoulder bolt 16 a side of slideway 10 be each more than two, make that being attached thereto the backing tube 15 that connects does not rotate, can also can replace roller 11 and slideway 10 with two of slide block replacements with upper roller 11 with track-type facilities.The effect of brace 14 is that two are linked together with upper roller 11, and rotating turret 12, roller 11, backing tube 15 are played the monolithic stability effect.Improve rotating turret 12 rigidity with hinged respectively 13 of the rotatable lamellas of top frame 1 and rotating turret 12 and make above frame 1 do not rotate relative to base 9.The effect of shaft shoulder bolt 16 is with backrest 15 location when fastening, being attached thereto the rotating turret 12, roller 11, the brace 14 that connect can rotate with it, slideway 10 1 sides have the strip gab of width greater than shaft shoulder bolt 16 diameters that pass, and do not interfere when mobile mutually.
Embodiment 1: the adjusting of table, see accompanying drawing 1 and accompanying drawing 5, the peak height of table is 730mm in the accompanying drawing 1, lead screw shaft 5 and sprocket wheel 2 respectively are four, rotate turning handle 6, and the sprocket wheel 2 that fixing with it lead screw shaft 5 drives are fixing with it and the chain 3 of engagement are done sealing and rotated, feasible three sprocket wheels in addition with chain 3 engagements rotate synchronously, four lead screw shaft 5 are rotated in four screws 7, table decline 210mm, the high 520mm of table low spot.
Embodiment 2: the adjusting of chair, see accompanying drawing 3, accompanying drawing 6 and accompanying drawing 7, the seat height of accompanying drawing 3 is 400mm, the seat effective depth is 380mm, two rollers 11 are respectively arranged in two slideways 10, rotate turning handle 6, lead screw shaft 5 is rotated in bearing 4 and screw 7, seat is high to descend, make rotating turret 12 drive simultaneously and be attached thereto the roller 11 that connects, brace 14, shaft shoulder bolt 16, backing tube 15 moves horizontally to the chair leading edge in slideway 10 when rotating, and drives backrest and moves horizontally to the chair leading edge, in accompanying drawing 6, minimum point falls in the seat height, and the seat height is 290mm, has reduced 110mm, backrest has moved horizontally 90mm to the chair leading edge, and the seat effective depth reaches 290mm.
The utility model is the improvement of tables and chairs, and it is easy to operate, and Stability Analysis of Structures is used comfortablely, can realize the high and high lifting of chair of table, can realize the variation of seat effective depth again when the high lifting of seat synchronously.Each functional dimension coupling of regulating meets national Specification, satisfies the requirement of hygiene of children and adolescents, and it is healthy to help students in middle and primary schools, is applicable to that the user uses in purposes such as study rest and operation computer.
Claims (5)
1. can regulate tables and chairs for one kind, comprise compositions such as top frame 1, end tube 8, base 9, turning handle 6, it is characterized in that: be that top frame 1, bearing 4, lead screw shaft 5, screw 7 are connected with end tube 8 between sprocket wheel 2 and the base 9, chain 3 is connected with a joggle with sprocket wheel 2 sealings, and split pin 17 is housed on the lead screw shaft 5.
2. the tables and chairs of regulating according to claim 1 is characterized in that bearing 4, lead screw shaft 5, screw 7, sprocket wheel 3, are more than two.
3. can regulate tables and chairs for one kind, comprise compositions such as top frame 1, end tube 8, base 9, turning handle 6, it is characterized in that: be that bearing 4, lead screw shaft 5, screw 7 are connected with end tube 8 between top frame 1 and the base 9, rotating turret 12 1 ends and base 9 are hinged, one end is connected with roller 11, brace 14, backing tube 15, shaft shoulder bolt 16 and is slidingly connected with slideway 10, and rotatable lamella 13 is hinged with top frame 1 and rotating turret 12 respectively.
4. according to the right 3 described tables and chairs of regulating, it is characterized in that: rotating turret 12 is connected with slide block, backing tube 15, shaft shoulder bolt 16 and is slidingly connected with slideway 10.
5. according to the right 3 described tables and chairs of regulating, it is characterized in that: have strip gab on the slideway 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420055478 CN2770453Y (en) | 2004-12-08 | 2004-12-08 | Adjustable table-chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420055478 CN2770453Y (en) | 2004-12-08 | 2004-12-08 | Adjustable table-chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2770453Y true CN2770453Y (en) | 2006-04-12 |
Family
ID=36704240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420055478 Expired - Fee Related CN2770453Y (en) | 2004-12-08 | 2004-12-08 | Adjustable table-chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2770453Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951058A (en) * | 2012-11-30 | 2013-03-06 | 长城汽车股份有限公司 | Cup holder for vehicle |
| CN103919360A (en) * | 2013-01-11 | 2014-07-16 | 李海燕 | Connecting rod mechanical lifting desk |
| CN107550094A (en) * | 2017-08-29 | 2018-01-09 | 许昌市建安区第二高级中学 | A kind of Multifunctional stool of adjustable length |
-
2004
- 2004-12-08 CN CN 200420055478 patent/CN2770453Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951058A (en) * | 2012-11-30 | 2013-03-06 | 长城汽车股份有限公司 | Cup holder for vehicle |
| CN102951058B (en) * | 2012-11-30 | 2015-04-22 | 长城汽车股份有限公司 | Cup holder for vehicle |
| CN103919360A (en) * | 2013-01-11 | 2014-07-16 | 李海燕 | Connecting rod mechanical lifting desk |
| CN103919360B (en) * | 2013-01-11 | 2016-12-28 | 李海燕 | Link-type mechanical elevating table |
| CN107550094A (en) * | 2017-08-29 | 2018-01-09 | 许昌市建安区第二高级中学 | A kind of Multifunctional stool of adjustable length |
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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: 20060412 Termination date: 20100108 |