CN202060273U - Height-adjustable desk and chair - Google Patents
Height-adjustable desk and chair Download PDFInfo
- Publication number
- CN202060273U CN202060273U CN2011200330874U CN201120033087U CN202060273U CN 202060273 U CN202060273 U CN 202060273U CN 2011200330874 U CN2011200330874 U CN 2011200330874U CN 201120033087 U CN201120033087 U CN 201120033087U CN 202060273 U CN202060273 U CN 202060273U
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- CN
- China
- Prior art keywords
- chair
- leg
- bevel gear
- desk
- screw rod
- 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 a height-adjustable desk and a height-adjustable chair, which comprise a desk top, two desk legs supporting the desk top, a chair top and two chair legs supporting the chair top, and are characterized in that the desk legs include an upper desk leg and a lower desk leg which can relatively move vertically and are in threaded connection, and an adjusting device is arranged between the upper desk leg and a desk board; the chair legs include an upper chair leg and a lower chair leg which can relatively move vertically and are in threaded connection, and an adjusting device is also arranged between the upper chair leg and a chair board. The height-adjustable desk and chair have the advantages that the desk and the chair are simple in structure and are convenient to produce, the heights of the desk and the chair can be conveniently adjusted according to the growth and development situations of different students, so the requirement of healthy growth is met for students.
Description
Technical field
The utility model relates to teaching aid, especially a kind of desk and chair of regulating height.
Background technology
The most existing desk and chair does not possess elevating function, highly all fixes.Student's height of same age section has very big difference, and same student is in the growth growth course, suitable big of height change.The problem student who brings thus produces bad sitting posture when reading and writing, use such desk and chair for a long time, can affect one's power of vision, and causes deformation of spinal column what is more.Therefore, the problems referred to above that need to be resolved hurrily are designed a kind of desk and chair of regulating height.
Summary of the invention
The purpose of this utility model is to solve existing the problems referred to above in the prior art, and a kind of desk and chair of the novel height regulated is provided.
The utility model is achieved in that a kind of desk and chair of regulating height, comprise: desktop, support the two chair legs of two table legs, seat and the support seat of this desktop, it is characterized in that: described table leg is divided into the upper and lower table leg of upper and lower displacement relatively, this upper and lower table leg adopts and is threaded, and is provided with adjusting device between upper table leg and table; This adjusting device comprises housing, and second bevel gear and the sleeve that is connected with first bevel gear of first bevel gear, horizontal positioned arranged in the housing, and upper table leg is that the power transmission shaft of second bevel gear is connected with second bevel gear, second bevel gear and the engagement of first bevel gear; Described chair leg is divided into the upper and lower chair leg of upper and lower displacement relatively, this upper and lower chair leg adopts and is threaded, also be provided with above-mentioned adjusting device between upper chair leg and chair plate, upper chair leg is that the power transmission shaft of second bevel gear is connected with second bevel gear, second bevel gear and the engagement of first bevel gear.
Be arranged on that sleeve in the adjusting device on the upper table leg is connected by turning cylinder with sleeve in the adjusting device that is arranged on another upper table leg and this turning cylinder as the rotating shaft of sleeve; Be arranged on that sleeve in the adjusting device on the upper chair leg is connected by turning cylinder with sleeve in the adjusting device that is arranged on another upper chair leg and this turning cylinder as the rotating shaft of sleeve.
Be connected with a whippletree between the lower table leg in described two table legs; Be connected with a whippletree between the lower chair leg in the described two chair legs.
Described upper table leg is a screw rod, is provided with overcoat in the outside of this screw rod, and lower table leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat; Described upper chair leg is a screw rod, is provided with overcoat in the outside of this screw rod, and lower chair leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat.
Described lower table leg is a screw rod, is provided with overcoat in the outside of this screw rod, and upper table leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat; Described lower chair leg is a screw rod, is provided with overcoat in the outside of this screw rod, and upper chair leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat.
There is first axle bed in the outside of first bevel gear in the described adjusting device middle shell, and it is concentric with the endoporus of clutch shaft bearing to be provided with the clutch shaft bearing and first bevel gear that match with the first bevel gear internal orifice dimension in first axle bed.
The two ends of described turning cylinder are arranged with second bearing, and second bearing is held in place on the one second interior axle bed of described housing.
Advantage of the present utility model: simple in structure, be convenient to produce, can regulate the height of desk and chair easily according to different students' growth and development state, satisfy the demand that SH is grown up.
Description of drawings
Fig. 1 is the structural representation of desk in the utility model.
Fig. 2 is the structural representation of chair in the utility model.
Fig. 3 is annexation figure of the present utility model.
Fig. 4 is an adjusting device cut-away view of the present utility model.
Below in conjunction with drawings and Examples the utility model is elaborated.
(1) table (chair) face (2) table (chair) leg
(21) serve following (chair) leg of (chair) leg (22)
(3) adjusting device (31) housing
(32) first bevel gears (33) second bevel gears
(34) sleeve (35) first axle beds
(36) clutch shaft bearing (37) second bearings
(38) second axle beds (39) the 3rd bearing
(4) rotating shaft (5) whippletree
(10) handle.
The specific embodiment
Among the figure, a kind of desk and chair of regulating height, comprise: desktop, support the two chair legs of two table legs, seat and the support seat of this desktop, it is characterized in that: described table leg is divided into the upper and lower table leg of upper and lower displacement relatively, this upper and lower table leg adopts and is threaded, and is provided with adjusting device between upper table leg and table; This adjusting device comprises housing, and second bevel gear and the sleeve that is connected with first bevel gear of first bevel gear, horizontal positioned arranged in the housing, and upper table leg is that the power transmission shaft of second bevel gear is connected with second bevel gear, second bevel gear and the engagement of first bevel gear; Described chair leg is divided into the upper and lower chair leg of upper and lower displacement relatively, this upper and lower chair leg adopts and is threaded, also be provided with above-mentioned adjusting device between upper chair leg and chair plate, upper chair leg is that the power transmission shaft of second bevel gear is connected with second bevel gear, second bevel gear and the engagement of first bevel gear.
Be arranged on that sleeve in the adjusting device on the upper table leg is connected by turning cylinder with sleeve in the adjusting device that is arranged on another upper table leg and this turning cylinder as the rotating shaft of sleeve; Be arranged on that sleeve in the adjusting device on the upper chair leg is connected by turning cylinder with sleeve in the adjusting device that is arranged on another upper chair leg and this turning cylinder as the rotating shaft of sleeve.
Be connected with a whippletree between the lower table leg in described two table legs; Be connected with a whippletree between the lower chair leg in the described two chair legs.
Described upper table leg is a screw rod, is provided with overcoat in the outside of this screw rod, and lower table leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat; Described upper chair leg is a screw rod, is provided with overcoat in the outside of this screw rod, and lower chair leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat.
Described lower table leg is a screw rod, is provided with overcoat in the outside of this screw rod, and upper table leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat; Described lower chair leg is a screw rod, is provided with overcoat in the outside of this screw rod, and upper chair leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat.
There is first axle bed in the outside of first bevel gear in the described adjusting device middle shell, and it is concentric with the endoporus of clutch shaft bearing to be provided with the clutch shaft bearing and first bevel gear that match with the first bevel gear internal orifice dimension in first axle bed.
The two ends of described turning cylinder are arranged with second bearing, and second bearing is held in place on the one second interior axle bed of described housing.
That present embodiment adopts is the former, and overcoat wherein can play protection and decorate supporting role.
Above-mentioned clutch shaft bearing, second bearing, the 3rd bearing play supporting role, and bear the radial load of its respective shaft, and realize the location.
During use, the teacher of school or other people can pass clutch shaft bearing by the axle head of handle (diameter of axle of handle is identical with the internal diameter of first bevel gear), are inserted into the endoporus of first bevel gear.Then, clockwise rotate handle, handle makes first bevel gear drive second bevel gear rotation, and second bevel gear drives and is connected upper table leg with it and is rotated down, and gos deep in the lower table leg; Simultaneously, first bevel gear also drives sleeve, make the turning cylinder rotation, the sleeve that turning cylinder connects by the other end again drives first bevel gear of another side, and first bevel gear of another side drives second bevel gear rotation of another side, and this second bevel gear drives upper table leg again and is rotated down, the two legs of desk is shortened simultaneously, to be adjusted when the predetermined altitude, extract handle in first bevel gear and get final product, thereby reduced the height of desk; In like manner, when being rotated counterclockwise handle, the desk height will be raised.
Below only expressed embodiment of the present utility model, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model patent scope.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Advantage of the present utility model: simple in structure, be convenient to produce, can regulate the height of desk and chair easily according to different students' growth and development state, satisfy the demand that SH is grown up.
Claims (7)
1. can regulate desk and chair just for one kind, comprise: desktop, support the two chair legs of two table legs, seat and the support seat of this desktop, it is characterized in that: described table leg is divided into the upper and lower table leg of upper and lower displacement relatively, this upper and lower table leg adopts and is threaded, and is provided with adjusting device between upper table leg and table; This adjusting device comprises housing, and second bevel gear and the sleeve that is connected with first bevel gear of first bevel gear, horizontal positioned arranged in the housing, and upper table leg is that the power transmission shaft of second bevel gear is connected with second bevel gear, second bevel gear and the engagement of first bevel gear; Described chair leg is divided into the upper and lower chair leg of upper and lower displacement relatively, this upper and lower chair leg adopts and is threaded, also be provided with above-mentioned adjusting device between upper chair leg and chair plate, upper chair leg is that the power transmission shaft of second bevel gear is connected with second bevel gear, second bevel gear and the engagement of first bevel gear.
2. a kind of desk and chair according to claim 1 is characterized in that: be arranged on that sleeve in the adjusting device on the upper table leg is connected by turning cylinder with sleeve in the adjusting device that is arranged on another upper table leg and this turning cylinder as the rotating shaft of sleeve; Be arranged on that sleeve in the adjusting device on the upper chair leg is connected by turning cylinder with sleeve in the adjusting device that is arranged on another upper chair leg and this turning cylinder as the rotating shaft of sleeve.
3. a kind of desk and chair according to claim 1 is characterized in that: be connected with a whippletree between the lower table leg in described two table legs; Be connected with a whippletree between the lower chair leg in the described two chair legs.
4. a kind of desk and chair according to claim 1 is characterized in that: described upper table leg is a screw rod, is provided with overcoat in the outside of this screw rod, and lower table leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat; Described upper chair leg is a screw rod, is provided with overcoat in the outside of this screw rod, and lower chair leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat.
5. a kind of desk and chair according to claim 1 is characterized in that: described lower table leg is a screw rod, is provided with overcoat in the outside of this screw rod, and upper table leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat; Described lower chair leg is a screw rod, is provided with overcoat in the outside of this screw rod, and upper chair leg is a screw bolt seat corresponding with this screw rod, is provided with overcoat in the outside of screw bolt seat.
6. a kind of desk and chair according to claim 1, it is characterized in that: there is first axle bed in the outside of first bevel gear in the described adjusting device middle shell, and it is concentric with the endoporus of clutch shaft bearing to be provided with the clutch shaft bearing and first bevel gear that match with the first bevel gear internal orifice dimension in first axle bed.
7. a kind of desk and chair according to claim 2 is characterized in that: the two ends of described turning cylinder are arranged with second bearing, and second bearing is held in place on the one second interior axle bed of described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200330874U CN202060273U (en) | 2011-01-31 | 2011-01-31 | Height-adjustable desk and chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200330874U CN202060273U (en) | 2011-01-31 | 2011-01-31 | Height-adjustable desk and chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202060273U true CN202060273U (en) | 2011-12-07 |
Family
ID=45054161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200330874U Expired - Fee Related CN202060273U (en) | 2011-01-31 | 2011-01-31 | Height-adjustable desk and chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202060273U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102652612A (en) * | 2012-05-17 | 2012-09-05 | 邢逸凡 | Multilayer dining table |
| CN104490103A (en) * | 2014-12-26 | 2015-04-08 | 宁波大风车教育器材有限公司 | Lifting desk |
| CN104510177A (en) * | 2013-12-07 | 2015-04-15 | 罗浪平 | Optionally-lifted student desk and chair |
-
2011
- 2011-01-31 CN CN2011200330874U patent/CN202060273U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102652612A (en) * | 2012-05-17 | 2012-09-05 | 邢逸凡 | Multilayer dining table |
| CN104510177A (en) * | 2013-12-07 | 2015-04-15 | 罗浪平 | Optionally-lifted student desk and chair |
| CN104490103A (en) * | 2014-12-26 | 2015-04-08 | 宁波大风车教育器材有限公司 | Lifting desk |
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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: 20111207 Termination date: 20170131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |