CN202269652U - Desktop of chair back used in lecture hall - Google Patents
Desktop of chair back used in lecture hall Download PDFInfo
- Publication number
- CN202269652U CN202269652U CN2011202645633U CN201120264563U CN202269652U CN 202269652 U CN202269652 U CN 202269652U CN 2011202645633 U CN2011202645633 U CN 2011202645633U CN 201120264563 U CN201120264563 U CN 201120264563U CN 202269652 U CN202269652 U CN 202269652U
- Authority
- CN
- China
- Prior art keywords
- desktop
- chair back
- channel sections
- fixing units
- tracks
- 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
Links
Images
Landscapes
- Combinations Of Kitchen Furniture (AREA)
Abstract
The utility model discloses the desktop of a chair back used in a lecture hall, which comprises a desktop, tracks, pulleys, zigzag channel sections, cross bars and fixing units. The desktop is characterized in that the upper parts of upright surfaces on the two sides of the desktop are connected with the cross bars and the intermediate parts of the cross bars are provided with the pulleys. The pulleys and the tracks are connected together. The outer sides of the tracks are connected with the zigzag channel sections. The fixing units are clamped inside the zigzag channel sections. When in use, the desktop is turned into a horizontal state and is moved to a proper position through sliding along the tracks up and down. Then the fixing units are clamped inside the zigzag channel sections so as to fix the cross bars. When the desktop is not in use, the fixing units are removed. The desktop is turned into a vertical state and the fixing units are clamped inside the zigzag channel sections.
Description
Technical field
The utility model relates to a kind of chair back desktop, especially a kind of height-adjustable chair back desktop.
Background technology
For Conference Hall chair back desktop commonly used; Be the level altitude device all on the market at present, height of table top is unadjustable, and the crowd of different heights that lets that can't be comfortable uses; Especially for the students in middle and primary schools that growing, often use highly inappropriate desktop can cause skeleton development bad.
Summary of the invention
A kind of Conference Hall chair back desktop comprises desktop, track; Pulley, zigzag draw-in groove, cross bar; Fixture is characterized in that desktop two side elevations top connects cross bar, has pulley in the middle of the cross bar; Pulley is connected with track, and the track outside is connected with the zigzag draw-in groove, and fixture is stuck in the zigzag draw-in groove.
Beneficial effect: solved the uncontrollable problem of Conference Hall chair back height of table top, the user uses more comfortable, more ergonomic.
Description of drawings
Fig. 1 is a kind of Conference Hall chair back of the utility model embodiment table top set-ups sketch map.
Fig. 2 is a fixture structure sketch map among the utility model embodiment.
Structural representation when Fig. 3 uses for this use new embodiment.
The specific embodiment
The explanation of mark among the figure: desktop 1, track 2, zigzag draw-in groove 3, cross bar 4, pulley 5, fixture 6.
A kind of Conference Hall chair back desktop shown in Figure 1 comprises desktop 1, track 2; Zigzag draw-in groove 3, cross bar 4, pulley 5; Fixture 6 is characterized in that 1 liang of side elevation top of desktop connects cross bar 4, has pulley 5 in the middle of the cross bar 4; Pulley 5 is connected with track 2, and track 2 outsides are connected with zigzag draw-in groove 3, and fixture 6 is stuck in the zigzag draw-in groove 3.During use; Desktop 1 is folded into level; Can slide up and down to a suitable position by track 2, it is interior in order to fixed transverse rod 4 that fixture 6 is snapped in zigzag draw-in groove 3, and use after finishing is taken off fixture 6; Desktop 1 is folded into plumbness, again fixture 6 is snapped in the zigzag draw-in groove 3.
Claims (1)
1. a Conference Hall chair back desktop comprises desktop, track; Pulley, zigzag draw-in groove, cross bar; Fixture is characterized in that desktop two side elevations top connects cross bar, has pulley in the middle of the cross bar; Pulley is connected with track, and the track outside is connected with the zigzag draw-in groove, and fixture is stuck in the zigzag draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202645633U CN202269652U (en) | 2011-07-26 | 2011-07-26 | Desktop of chair back used in lecture hall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202645633U CN202269652U (en) | 2011-07-26 | 2011-07-26 | Desktop of chair back used in lecture hall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202269652U true CN202269652U (en) | 2012-06-13 |
Family
ID=46190046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202645633U Expired - Fee Related CN202269652U (en) | 2011-07-26 | 2011-07-26 | Desktop of chair back used in lecture hall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202269652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102934901A (en) * | 2012-11-16 | 2013-02-20 | 郝可兴 | Foldable desk |
| CN109130802A (en) * | 2018-07-27 | 2019-01-04 | 芜湖市常春汽车内饰件有限公司 | A kind of automotive sunshade panel for capableing of automatic telescopic |
-
2011
- 2011-07-26 CN CN2011202645633U patent/CN202269652U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102934901A (en) * | 2012-11-16 | 2013-02-20 | 郝可兴 | Foldable desk |
| CN109130802A (en) * | 2018-07-27 | 2019-01-04 | 芜湖市常春汽车内饰件有限公司 | A kind of automotive sunshade panel for capableing of automatic telescopic |
| CN109130802B (en) * | 2018-07-27 | 2022-01-21 | 芜湖市常春汽车内饰件有限公司 | Automobile sun visor capable of automatically stretching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2012027333A3 (en) | Collapsible inclinable exercise device and method of using same | |
| CN206182670U (en) | Flexible dining table | |
| CN202269652U (en) | Desktop of chair back used in lecture hall | |
| CN202428924U (en) | Multipurpose blackboard | |
| CN203046614U (en) | Multifunctional blackboard | |
| CN203209080U (en) | Erector for chemical experiment teaching | |
| CN203058872U (en) | Study desk for middle school student | |
| CN203873239U (en) | Foldable desk | |
| CN204071114U (en) | One is novel can the special guidance table of split lift parent-offspring | |
| CN203058864U (en) | Folding desk | |
| CN204169295U (en) | A kind of collapsible handwriting exercise table | |
| CN203597672U (en) | University apartment multifunctional combined furniture with adjustable width | |
| CN205214669U (en) | A multifunctional desk for aesthetic education education | |
| CN102370353A (en) | Folding cultural and educational board support | |
| CN202302610U (en) | Telescopic teaching abacus support frame | |
| CN102960952A (en) | Folding desk | |
| CN204838555U (en) | Be used for student to read and write stadia control, position of sitting correction device | |
| CN202436501U (en) | Multifunctional desk | |
| CN203182348U (en) | Book-end type desk | |
| CN203945879U (en) | The auxiliary writing device of determinant for a kind of linear algebra teaching | |
| CN203493118U (en) | Basketball fixing frame | |
| CN202290104U (en) | Classroom experiment showcase | |
| CN202233818U (en) | Lifting platform | |
| CN203302612U (en) | Detachable table tennis table | |
| CN102406329A (en) | Height-adjustable desk |
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: 20120613 Termination date: 20120726 |