CN2935971Y - Pupil's chair - Google Patents
Pupil's chair Download PDFInfo
- Publication number
- CN2935971Y CN2935971Y CN 200620085715 CN200620085715U CN2935971Y CN 2935971 Y CN2935971 Y CN 2935971Y CN 200620085715 CN200620085715 CN 200620085715 CN 200620085715 U CN200620085715 U CN 200620085715U CN 2935971 Y CN2935971 Y CN 2935971Y
- Authority
- CN
- China
- Prior art keywords
- chute
- seat
- student
- seat board
- chair
- 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 discloses a student chair seat which comprises a chair back and a seat board on the table leg; wherein, a vertical chute protruding out from the front edge of the seat board is arranged close to the middle part of the bottom face of the seat board, wherein the chute is provided with a lifting bar which can slide up and down, and the upper end of the lifting bar is firmly connected with a limit board; and a horizontal chute backwards and forwards is arranged close to the middle part of the bottom face of the seat board, wherein the horizontal chute is provided with a telescopic rod sliding along the front and back of the horizontal chute, and the vertical chute is fixed at the outer end part of the telescopic rod. Under the function of the limit gear formed by the chair back and the lifting rod as well as the limit board, the utility model can make the students always keep correct study sitting position during the study period to force the students to keep certain distance from the table; in addition, the students can randomly adjust the height of the lifting rod according to their own physical characteristics. Thus, the utility model has the advantages of a simple structure, convenient and feasible operation, and comfortable usage as well as effective myopia and crookback prevention capacity.
Description
Technical field
The utility model relates to the chair that a kind of student learns usefulness.
Background technology
Adolescent student is when study now, generally be to be sitting in stool or chair in last, because existing stool or chair are to user's not constraint of sitting posture, and the self-control of adolescent student is relatively poor, often sitting posture is crooked not just or lie prone and closely read a book for a long time on desk, write, cause eye fatigue, and then form myopia.Add up according to investigations, pupil's rate of myopia is 30% at present, and junior school student's rate of myopia is more than 50%, and high school student's rate of myopia is more than 60%.Causing the high main cause of students in middle and primary schools' rate of myopia is abnormal sitting posture, and simultaneously, because abnormal sitting posture, thoracic vertebrae is in a kind of state of bending for a long time, also causes hunchback in the course of time easily.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of students in middle and primary schools of making and has correct sitting posture, can effectively pre-myopia prevention and bow-backed student's seat.
For solving the problems of the technologies described above, the utility model comprises the chair back and is supported on seat on the chair leg, its design feature is: roughly the middle part is provided with the vertical chute that stretches out the seat forward position in the seat bottom surface, being provided with in the chute can be along its elevating lever that slides up and down, and the upper end of elevating lever is connected with limiting plate.
The horizontal concrete chute of arranging before and after roughly the middle part is provided with in the seat bottom surface, being provided with in the horizontal concrete chute can be along the expansion link of slip before and after it, and described vertical chute is fixed on the outer end of expansion link.
On horizontal concrete chute, be provided with the expansion link locking device; This expansion link locking device places the sidepiece of horizontal concrete chute.
Vertically be provided with the elevating lever locking device on the chute.
After adopting said structure, owing to be provided with the adjustable for height position-limit mechanism that constitutes by elevating lever and limiting plate in the front portion of seat, make the student in learning process,, health and desk are maintained a certain distance because of the effect of the chair back and position-limit mechanism remains correct study sitting posture, and the student can be according to self physical trait, adjust the height of elevating lever arbitrarily, it is simple in structure, and is easy to operation, use comfortable, can be effectively pre-myopia prevention and hunchback.
Description of drawings
Fig. 1 is a vertical section structure schematic diagram of the present utility model;
Fig. 2 is the structural representation that the right side of Fig. 1 is looked.
The specific embodiment
With reference to accompanying drawing, this student's seat comprises the chair back 1 and is supported on seat 2 on the chair leg, the horizontal concrete chute of arranging before and after roughly the middle part is provided with in seat 2 bottom surfaces 9, horizontal concrete chute 9 adopts rectangular tube to make, also can adopt materials such as channel-section steel to make, being provided with in the horizontal concrete chute 9 can be along the expansion link 7 of slip before and after it, sidepiece at horizontal concrete chute 9 is provided with expansion link locking device 8, these locking device 8 reality are lock-screw, also can be other version, to limit the front and back position of expansion link 7 with respect to horizontal concrete chute 9.Expansion link 7 stretches out seat 2 forward positions, be installed with vertical chute 5 in the outer end of expansion link 7, being provided with in vertical chute 5 can be along its elevating lever that slides up and down 4, vertically be provided with elevating lever locking device 6 on the chute 5, these locking device 6 reality are lock-screw, also can be other version, to limit the upper-lower position of elevating lever 4 with respect to vertical chute 5, the vertical chute 5 that expansion link 7 extremely connects thereon can be extracted out from horizontal concrete chute 9.The upper end of elevating lever 4 is connected with limiting plate 3, limiting plate 3 be arranged in parallel with the chair back 1, when the student need leave seat, elevating lever 4 is fallen along vertical chute 5, this moment, limiting plate 3 end faces were concordant with seat 2 end faces or a little less than seat 2 end faces, promptly elevating lever 4 is equal to or less than the distance of seat 2 end faces to ground together with the height of its top limiting plate 3.And being connected between chair leg and seat and seat and the chair back is not limited to illustrated version, can be the swivel chair formula, and the bottom of chair leg can also have universal wheel.
Claims (5)
1, a kind of student's seat, comprise the chair back (1) and be supported on seat (2) on the chair leg, it is characterized in that: roughly the middle part is provided with the vertical chute (5) that stretches out seat (2) forward position in seat (2) bottom surface, being provided with in the chute (5) can be along its elevating lever that slides up and down (4), and the upper end of elevating lever (4) is connected with limiting plate (3).
2, student's seat according to claim 1, it is characterized in that: the horizontal concrete chute of arranging before and after roughly the middle part is provided with in seat (2) bottom surface (9), being provided with in the horizontal concrete chute (9) can be along the expansion link (7) of slip before and after it, and described vertical chute (5) is fixed on the outer end of expansion link (7).
3, student's seat according to claim 2 is characterized in that: be provided with expansion link locking device (8) on horizontal concrete chute (9).
4, student's seat according to claim 3 is characterized in that: described expansion link locking device (8) places the sidepiece of horizontal concrete chute (9).
5, student's seat according to claim 1 is characterized in that: vertically be provided with elevating lever locking device (6) on the chute (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620085715 CN2935971Y (en) | 2006-06-15 | 2006-06-15 | Pupil's chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620085715 CN2935971Y (en) | 2006-06-15 | 2006-06-15 | Pupil's chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2935971Y true CN2935971Y (en) | 2007-08-22 |
Family
ID=38359989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620085715 Expired - Fee Related CN2935971Y (en) | 2006-06-15 | 2006-06-15 | Pupil's chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2935971Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892581A (en) * | 2014-04-15 | 2014-07-02 | 张树香 | Desk with myopia preventing device |
| CN107668941A (en) * | 2017-09-29 | 2018-02-09 | 石涵琦 | A kind of correcting chair for students |
-
2006
- 2006-06-15 CN CN 200620085715 patent/CN2935971Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892581A (en) * | 2014-04-15 | 2014-07-02 | 张树香 | Desk with myopia preventing device |
| CN107668941A (en) * | 2017-09-29 | 2018-02-09 | 石涵琦 | A kind of correcting chair for students |
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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 |