CN203563866U - Adjustable lifting school chair - Google Patents
Adjustable lifting school chair Download PDFInfo
- Publication number
- CN203563866U CN203563866U CN201320662463.5U CN201320662463U CN203563866U CN 203563866 U CN203563866 U CN 203563866U CN 201320662463 U CN201320662463 U CN 201320662463U CN 203563866 U CN203563866 U CN 203563866U
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- Prior art keywords
- adjustable
- sleeve
- rod
- chair
- clamping block
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Abstract
The utility model discloses an adjustable lifting school chair which comprises a chair top and a chair leg. The chair leg comprises an upper segment and a lower segment, namely, an upper rod and a lower rod, the upper rod and the lower rod are arranged in a sleeved mode, the lower end of the upper rod is inserted into the lower rod, the lower half part of the upper rod is named an adjusting part, locking teeth are transversely arranged on the adjusting part from top to bottom, and an adjusting mechanism is arranged on the rear side of the lower rod and comprises a sleeve, a pull rod and a reset spring arranged on the pull rod in a sleeved mode, the sleeve is vertically and fixedly connected to the upper end of the lower rod, the pull rod penetrates through the sleeve and the reset spring, the reset spring is arranged in the sleeve, a clamping block is arranged in the end portion of the front end of the pull rod, a handle is arranged at the rear end of the pull rod, and clamping teeth are arranged on the front side face of the clamping block. Through the adjustable chair leg, the chair can be suitable for being used by students with different heights, and the chair can be conveniently adjusted to the corresponding height by the students according to own needs.
Description
Technical field
The utility model relates to a kind of educational supply, especially a kind of tablet chair.
Background technology
Common tablet chair is to consist of chair leg and the seat being fixedly connected on chair leg, but this tablet chair is unified making, its chair leg height is fixed, but student's height differences is very large, the student of different heights uses the tablet chair of sustained height, will make some students because tablet chair is too high, arm is forced to raise, write, read a book and be all very inconvenient, and the too low student of tablet chair, may cause visual impairment because of reading posture, even produce the multiple negative consequences such as scoliosis, have a strong impact on student's body development and growth.
Utility model content
The purpose of this utility model is to provide a kind of adjustable up-down tablet chair, and the convenient tablet chair height that regulates, contributes to student's health to grow up.
The technical solution of the utility model is:
Adjustable up-down tablet chair, comprise seat and chair leg, chair leg comprises upper and lower two joints, be respectively upper boom and lower beam, described upper boom and lower beam are sheathed, lower beam is inserted in the lower end of upper boom, the latter half of upper boom is called adjusting part, in described adjusting part, be laterally provided with from the top down locking teeth, the rear side of described lower beam is provided with governor motion, described governor motion comprises sleeve, pull bar and be set in the back-moving spring on pull bar, described sleeve is vertically fixedly connected on the upper end of lower beam, described pull bar is through sleeve and back-moving spring, back-moving spring is positioned at sleeve, described pull bar front end end is provided with clamping block, described back end of tie rod is provided with handle, the leading flank of described clamping block is provided with latch, suitable and the engagement fit of described latch and locking teeth shape, in the lower beam of described chair leg, be vertically fixedly connected with push rod, described push rod the first half is provided with external screw thread, and described push rod bolt is connected with adjustable jacking block, and be abutted against the end, lower end of the top of described adjustable jacking block and upper boom, on adjustable jacking block, be connected with clamping block, the clamping stack successively of each clamping block, the upper surface of clamping block and lower surface respectively correspondence are provided with projection and draw-in groove.
The downside of described adjustable jacking block is also provided with back tightening nut, and back tightening nut is connected on push rod.
Described latch and locking teeth profile of tooth are trapezoidal.
Described latch and locking teeth profile of tooth are rectangle.
The utility model is by adjustable chair leg, and the student that can adapt to different heights uses, and facilitates student to be adjusted to corresponding height according to the needs of oneself.The utility model is simple in structure, is easy to manufacture, and low cost of manufacture, and structure is very reliable, and good stability, is used also very convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing I in Fig. 1.
The specific embodiment
As shown in Figure 1, 2, the utility model comprises seat 1 and chair leg 2, chair leg 2 comprises upper and lower two joints, be respectively upper boom 3 and lower beam 4, upper boom 3 is set-located with lower beam 4, and insert in lower beam 4 lower end of upper boom 3, and the latter half of upper boom 3 is called adjusting part 5, regulate in part 5 and be laterally provided with from the top down locking teeth 7, the tip position rear side of lower beam 4 is provided with governor motion.
Governor motion comprises sleeve 8, pull bar 9 and is set in the back-moving spring 10 on pull bar, sleeve 8 is vertically fixedly connected on the upper end of lower beam 4, pull bar 9 is through sleeve 8 and back-moving spring 10, back-moving spring 10 is positioned at sleeve 8, pull bar 9 front end ends are provided with clamping block 11, the leading flank of clamping block 11 is provided with latch 12, and pull bar 9 rear ends are provided with handle 13, the suitable and engagement fit of latch 12 and locking teeth 7 shapes.
The interior push rod 14 that is vertically fixedly connected with of lower beam 4 of chair leg 2, push rod 14 the first half are provided with external screw thread 15, and push rod 14 bolts are connected with adjustable jacking block 6.Adjustable jacking block 6 tops are a plane, and are abutted against with the end, lower end of upper boom 3.The downside of adjustable jacking block 6 is also provided with back tightening nut 16, and back tightening nut 16 is connected on push rod 14.On adjustable jacking block 6, be connected with clamping block 17, by each clamping block 17 successively clamping, superpose.The upper surface of clamping block 17 and lower surface respectively correspondence are provided with projection and draw-in groove, projection and clamping corresponding with draw-in groove.Support very stablely, the mode that only adopts pin card to connect before comparing is more stable.
Claims (4)
1. adjustable up-down tablet chair, comprise seat and chair leg, it is characterized in that: chair leg comprises upper and lower two joints, be respectively upper boom and lower beam, described upper boom and lower beam are sheathed, lower beam is inserted in the lower end of upper boom, the latter half of upper boom is called adjusting part, in described adjusting part, be laterally provided with from the top down locking teeth, the rear side of described lower beam is provided with governor motion, described governor motion comprises sleeve, pull bar and be set in the back-moving spring on pull bar, described sleeve is vertically fixedly connected on the upper end of lower beam, described pull bar is through sleeve and back-moving spring, back-moving spring is positioned at sleeve, described pull bar front end end is provided with clamping block, described back end of tie rod is provided with handle, the leading flank of described clamping block is provided with latch, suitable and the engagement fit of described latch and locking teeth shape, in the lower beam of described chair leg, be vertically fixedly connected with push rod, described push rod the first half is provided with external screw thread, and described push rod bolt is connected with adjustable jacking block, and be abutted against the end, lower end of the top of described adjustable jacking block and upper boom, on adjustable jacking block, be connected with clamping block, the clamping stack successively of each clamping block, the upper surface of clamping block and lower surface respectively correspondence are provided with projection and draw-in groove.
2. adjustable up-down tablet chair according to claim 1, is characterized in that: the downside of described adjustable jacking block is also provided with back tightening nut, and back tightening nut is connected on push rod.
3. adjustable up-down tablet chair according to claim 1 and 2, is characterized in that: described latch and locking teeth profile of tooth are trapezoidal.
4. adjustable up-down tablet chair according to claim 1 and 2, is characterized in that: described latch and locking teeth profile of tooth are rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662463.5U CN203563866U (en) | 2013-10-25 | 2013-10-25 | Adjustable lifting school chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662463.5U CN203563866U (en) | 2013-10-25 | 2013-10-25 | Adjustable lifting school chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203563866U true CN203563866U (en) | 2014-04-30 |
Family
ID=50531636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320662463.5U Expired - Fee Related CN203563866U (en) | 2013-10-25 | 2013-10-25 | Adjustable lifting school chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203563866U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104433448A (en) * | 2014-12-08 | 2015-03-25 | 成都卓青科技有限公司 | Chair |
| CN105054592A (en) * | 2015-09-23 | 2015-11-18 | 翁斌 | Chair |
| CN105433630A (en) * | 2014-09-30 | 2016-03-30 | 汪希奎 | Elastic-pin braking lifting-type seating device |
| CN106798967A (en) * | 2017-01-05 | 2017-06-06 | 朱远湖 | Radiotherapy body frame lowering or hoisting gear and radiotherapy body frame |
| CN107212587A (en) * | 2017-06-09 | 2017-09-29 | 王国华 | A kind of Adjustable computer table |
| CN107581816A (en) * | 2017-08-29 | 2018-01-16 | 丁玉清 | A kind of office chair |
| CN109595227A (en) * | 2018-12-10 | 2019-04-09 | 王水生 | A kind of elastic position reinforcing member structure for flight-line maintenance |
| CN111251471A (en) * | 2019-11-24 | 2020-06-09 | 张媛淇 | Ceramic tile cutting method for construction site |
-
2013
- 2013-10-25 CN CN201320662463.5U patent/CN203563866U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105433630A (en) * | 2014-09-30 | 2016-03-30 | 汪希奎 | Elastic-pin braking lifting-type seating device |
| CN104433448A (en) * | 2014-12-08 | 2015-03-25 | 成都卓青科技有限公司 | Chair |
| CN105054592A (en) * | 2015-09-23 | 2015-11-18 | 翁斌 | Chair |
| CN106798967A (en) * | 2017-01-05 | 2017-06-06 | 朱远湖 | Radiotherapy body frame lowering or hoisting gear and radiotherapy body frame |
| CN107212587A (en) * | 2017-06-09 | 2017-09-29 | 王国华 | A kind of Adjustable computer table |
| CN107581816A (en) * | 2017-08-29 | 2018-01-16 | 丁玉清 | A kind of office chair |
| CN109595227A (en) * | 2018-12-10 | 2019-04-09 | 王水生 | A kind of elastic position reinforcing member structure for flight-line maintenance |
| CN109595227B (en) * | 2018-12-10 | 2020-11-17 | 西安航天动力技术研究所 | Elastic part reinforcing piece structure for mechanical maintenance |
| CN111251471A (en) * | 2019-11-24 | 2020-06-09 | 张媛淇 | Ceramic tile cutting method for construction site |
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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: 20140430 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |