CN2483987Y - Double-column lifting desk-chair - Google Patents
Double-column lifting desk-chair Download PDFInfo
- Publication number
- CN2483987Y CN2483987Y CN 01248629 CN01248629U CN2483987Y CN 2483987 Y CN2483987 Y CN 2483987Y CN 01248629 CN01248629 CN 01248629 CN 01248629 U CN01248629 U CN 01248629U CN 2483987 Y CN2483987 Y CN 2483987Y
- Authority
- CN
- China
- Prior art keywords
- desk
- chair
- side bearing
- seat
- positioning screw
- 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 double-column lifting desk-chair, which comprises a desk and a chair. The utility model is characterized in that: two sides of the desk are respectively a side supporting guard plate; the side supporting guard plates are respectively and symmetrically equipped with two sliding grooves vertical to ground; screw holes are arranged on both sliding grooves; the inners of each sliding grooves are equipped with support columns which can slide in the grooves and are positioned by bolts as well as have bases; a foot step is arranged between two support columns; two sides of the lower part of the chair are respectively equipped with a side supporting plate; positioning screw holes are uniformly distributed on the symmetric central vertical lines of the side supporting plates; the lower part of each side supporting plate is symmetrically connected with a column with a base. The utility model has the advantages of adjusting the height of desk-chair in accordance with the height and sitting posture of students.
Description
Technical field
The utility model belongs to the teaching aid technical field, specifically a kind ofly adjusts the tables and chairs height and student easy to adjust uses the queen post up-down desk and chair.
Background technology
As everyone knows, the tables and chairs of student's study are necessary teaching aids in the teaching.Research and analyse according to the relevant expert and to show, existing student at school's " myopia ", " dorsal column bending " and use that tables and chairs are improper a direct relation.At present, traditional tables and chairs generally have two kinds in middle school primary school, and students in middle and primary schools' growth growth is than faster, and on the meaning of science, traditional teaching tables and chairs can only satisfy the sitting posture needs in a certain stage of student.Although occurred on the market in recent years disjunctor and with the liftable chair and desk for pupils at certain inclination angle.But this up-down desk and chair complex structure, cost height, intensity are low, only are applicable to family, and use in the classroom that is unsuitable under the group instruction environment.Several braces that are used for slow joint, correction student " dorsal column bending " etc. have also appearred in market in addition, although some benefit can not tackle the problem at its root.
Summary of the invention
The purpose of this utility model provides a kind of needs according to student's oneself height and sitting posture, and adjusts the queen post up-down desk and chair of tables and chairs height at any time.
The purpose of this utility model is achieved in that it comprises the desk of band bookcase, desktop, support, pedal, the seat that also comprises band seat, backrest, supporting leg, it is characterized in that: the both sides of bookcase are respectively arranged with a side bearing backplate on desk, be symmetrically arranged with two sliding trays perpendicular to the ground respectively at two side bearing backplates, on sliding tray, be evenly equipped with positioning screw hole, in sliding tray, be provided with and slide within it and the bracket upright post of the band base by screw location, between two bracket upright post, also be provided with a pedal; The both sides of seat bottom are respectively arranged with a side bearing plate on seat, on the symmetrical central vertical line of two side bearing plates, be evenly distributed with positioning screw hole, be symmetrically connected with the column of a band base in the bottom of two side bearing plates by positioning screw hole respectively, between two columns, also be provided with a crossbeam.During use, the student can be according to height and the sitting posture of self, by regulating being connected highly of positioning screw hole on desk lower bracket column and the sliding tray, and on seat lower pole and the side bearing plate positioning screw hole be connected height, student's the desk and the height of seat are suited, protect the able-bodied science teaching purpose of positive student thereby reach.
The utility model is owing to can adjust the height of tables and chairs according to the needs of student's oneself height and sitting posture, therefore the student who is applicable to all age group uses, and uses, causes student at school's myopia and the crooked number that takes place of back cone thereby reduce to greatest extent because of the tables and chairs height is not suitable for the student.The utility model also has characteristics such as simple in structure, that cost is low, pattern is attractive and durable, intensity is high, range of application is wide.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the stereochemical structure simplified schematic diagram of the utility model desk
Fig. 2 is the stereochemical structure simplified schematic diagram of the utility model seat
The specific embodiment
Shown in Fig. 1-2, among the figure 1 is that the bookcase, 2 of desk is desktop, be respectively arranged with a side bearing backplate 3 in the both sides of bookcase 1, be symmetrically arranged with two sliding trays perpendicular to the ground 5 respectively at two side bearing backplates 3, on sliding tray 5, be evenly equipped with positioning screw hole 4, in sliding tray, be provided with and slide within it and the bracket upright post 6 of the band base 7 by screw location, between two bracket upright post, also be provided with a pedal 8, also be separately installed with cornerite 9 in the end of base 7.In addition as required, be provided with a school bag hook 10 in a side of bookcase; Among Fig. 2 12 is that the seat, 11 of seat is backrest, both sides in the seat bottom of seat are respectively arranged with a side bearing plate 13, on the symmetrical central vertical line of two side bearing plates, also be evenly distributed with positioning screw hole 14, be symmetrically connected with the column 15 of a band base 16 respectively by positioning screw hole 14 in the bottom of two side bearing plates, also be provided with a crossbeam 18 between two columns, 17 among Fig. 2 is the cornerite of base in addition.During use, the student can be according to height and the sitting posture of self, by regulating being connected highly of positioning screw hole 4 on desk lower bracket column 6 and the sliding tray 5, and on seat lower pole 15 and the side bearing plate 13 positioning screw hole 14 be connected height (by the bolt location), student's the desk and the height of seat are suited, in addition, the height of pedal also can be adjusted as required, thereby reaches healthy, science teaching purpose.
Claims (3)
1, the queen post up-down desk and chair learnt of a kind of student of being applicable to, it comprises the desk of band bookcase, desktop, support, pedal, the seat that also comprises band seat, backrest, supporting leg, it is characterized in that: the both sides of bookcase are respectively arranged with a side bearing backplate on desk, be symmetrically arranged with two sliding trays perpendicular to the ground respectively at two side bearing backplates, on sliding tray, be evenly equipped with positioning screw hole, in sliding tray, be provided with and slide within it and the bracket upright post of the band base by screw location, between two bracket upright post, also be provided with a pedal; The both sides of seat bottom are respectively arranged with a side bearing plate on seat, on the symmetrical central vertical line of two side bearing plates, be evenly distributed with positioning screw hole, be symmetrically connected with the column of a band base in the bottom of two side bearing plates by positioning screw hole respectively, between two columns, also be provided with a crossbeam.
2, queen post chair and desk for pupils according to claim 1 is characterized in that: sliding tray is the sliding tray of sealing.
3, queen post chair and desk for pupils according to claim 1 is characterized in that: be provided with a school bag hook in the side of bookcase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01248629 CN2483987Y (en) | 2001-07-12 | 2001-07-12 | Double-column lifting desk-chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01248629 CN2483987Y (en) | 2001-07-12 | 2001-07-12 | Double-column lifting desk-chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2483987Y true CN2483987Y (en) | 2002-04-03 |
Family
ID=33659219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01248629 Expired - Fee Related CN2483987Y (en) | 2001-07-12 | 2001-07-12 | Double-column lifting desk-chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2483987Y (en) |
-
2001
- 2001-07-12 CN CN 01248629 patent/CN2483987Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |