CN203969691U - Drawing-board type liftable desk - Google Patents
Drawing-board type liftable desk Download PDFInfo
- Publication number
- CN203969691U CN203969691U CN201320831563.6U CN201320831563U CN203969691U CN 203969691 U CN203969691 U CN 203969691U CN 201320831563 U CN201320831563 U CN 201320831563U CN 203969691 U CN203969691 U CN 203969691U
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- CN
- China
- Prior art keywords
- board type
- holder
- elevating lever
- desktop
- desk
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- Expired - Fee Related
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Abstract
A kind of drawing-board type liftable desk.Comprise table leg, the desktop that table leg upper end is fixing, and the bookcase of desktop below, be installed with two elevating levers on described desktop, and the upper end of elevating lever is provided with a drawing-board type desktop by holder.The utility model provides the height of desk to regulate, and the angle of drawing-board type desktop also can regulate arbitrarily, so that by height of table top and angular adjustment to optimum state, make student remain a kind of correct sitting posture, and then can prevent that student from crouching down and see on the table written word, can preventing students from nearsightedness, scoliosis and bow-backed generation.Meanwhile, this desk can also be isolated the phenomenons such as front and back table student above speaks, quarrels and fights noisily class hour.The utility model modern design is unique, simple and practical, easy to use, is to traditional desk and mode of learning major reform.Also can facilitate the transformation of existing desk simultaneously.
Description
Technical field
The utility model belongs to desk for students field, is specifically related to a kind of drawing-board type liftable desk.
Background technology
The desk height that student uses is at present fixed, and can not regulate.And students in middle and primary schools pupil particularly, what from just having entered a school, to graduating from primary school, substantially used is all the desk of equal height.And this desk is when pupil is just beginning school, student seems too high relatively, and close on while graduating from primary school, seems relatively low.Cause like this pupil when being just beginning school, eye distance desktop is near and be less than the distance of distinct vision, therefore easily causes hypometropia.And in the admission later stage, continuous increase along with age and height, eye distance desktop is relatively far away again, in order to see word clearly, student have to again volt write on the table, or even crooked upper body writes, long-time so incorrect writing posture just easily causes student's scoliosis, or bow-backed.
Summary of the invention
The utility model object is to solve existing student's desk because of highly fixing myopia of student, scoliosis or the bow-backed problem occurring of easily causing, and a kind of drawing-board type liftable desk is provided.
The drawing-board type liftable desk that the utility model provides, comprises table leg, and the desktop that table leg upper end is fixing, and the bookcase of desktop below, be installed with two elevating levers on described desktop, and the upper end of elevating lever is provided with a drawing-board type desktop by holder.
Described elevating lever comprises a fixed bar and an expansion link, offers a lifting groove or one group of lifting fixing hole on expansion link, between fixed bar and expansion link, by bolt or pin, fixes.Described fixed bar and expansion link use hollow tube or board making to form.
Described holder is arranged on elevating lever upper end and can be rotated adjusting by hinge.
Between described holder and elevating lever, can regulate by fastening frictional rotation, or the ratchet and pawl arrangement coordinating with elevating lever side by holder rotates adjusting.
The hinge of take on described holder has one group of adjustment hole as the center of circle along same circumference, and elevating lever correspondence position has a locating hole, passes through pin secured adjusted between holder and elevating lever.
The hinge of take on described holder has a regulating tank as the center of circle along circumference, and elevating lever correspondence position has a locating hole, between holder and elevating lever, is bolted adjusting.
advantage of the present utility model and good effect:
The height of the drawing-board type liftable desk that the utility model provides can regulate, and the angle of drawing-board type desktop also can regulate arbitrarily, so that by height of table top and angular adjustment to optimum state, make student remain a kind of correct sitting posture, and then can prevent that student from crouching down and see on the table written word, can preventing students from nearsightedness, scoliosis and bow-backed generation.Meanwhile, this desk can also be isolated the phenomenons such as front and back table student above speaks, quarrels and fights noisily class hour.
The utility model modern design is unique, simple and practical, easy to use, is to traditional desk and mode of learning major reform.Also can facilitate the transformation of existing desk simultaneously.
Accompanying drawing explanation
Fig. 1 is the side view of drawing-board type liftable desk.
Fig. 2 is the rearview of drawing-board type liftable desk.
Fig. 3 is embodiment 1 elevating lever and holder components side view.
Fig. 4 is embodiment 1 elevating lever and holder assembly rearview.
Fig. 5 is embodiment 2 elevating levers and holder assembly front view.
Fig. 6 is embodiment 2 elevating levers and holder components side view.
Fig. 7 is the front view of embodiment 2 elevating levers and the another kind of form of holder assembly.
Fig. 8 is embodiment 3 elevating levers and holder components side view.
Fig. 9 is embodiment 4 elevating levers and holder components side view.
Figure 10 is embodiment 5 elevating levers and holder assembly front view.
Figure 11 is embodiment 5 elevating levers and holder components side view.
In figure, 1 table leg, 2 bookcases, 3 desktops, 4 elevating levers, 4-1 fixed bar, 4-2 set bolt, 4-3 expansion link, 4-4 bearing pin, 4-5 holder, 5 drawing-board type desktops.
The specific embodiment
embodiment 1
As shown in Figure 1 and Figure 2, drawing-board type liftable desk, comprise table leg 1, the desktop 3 that table leg upper end is fixing, and the bookcase 2 of desktop below, on described desktop, being installed with two elevating levers 4, the upper end of elevating lever is provided with a drawing-board type desktop 3 by holder 4-5, the front end of this desktop is with a wall edge upwards turning down, for placing books and pen.
Described elevating lever 4 comprises that a fixed bar 4-1 and an expansion link 4-3(are as shown in Figure 3 and Figure 4), on expansion link, offer one group of lifting fixing hole, between fixed bar and expansion link, by bolt 4-2 or pin, fix.
Described fixed bar and expansion link use hollow tube, and particularly square tube is made.
Described holder 4-5 is arranged on elevating lever upper end by hinge, the hinge of take on holder has one group of adjustment hole (see figure 3) as the center of circle along same circumference, elevating lever correspondence position has a locating hole, between holder and elevating lever, by pin 4-4 secured adjusted, drawing-board type desktop 3 can be rotated to regulate the angle of inclination of desktop.
embodiment 2
As shown in Fig. 5, Fig. 6 and Fig. 7, the ratchet and pawl arrangement that can coordinate with elevating lever side by holder between described holder 4-5 and elevating lever rotates adjusting (in figure, ratchet and pawl arrangement slightly).All the other structures of this embodiment drawing-board type liftable desk are with embodiment 1.
embodiment 3
As shown in Figure 8, in the elevating lever described in the present embodiment, on expansion link 4-3, offer a lifting groove, between fixed bar and expansion link, by bolt or pin, fix.
The logical embodiment 1 of all the other structures or embodiment 2.
embodiment 4
As shown in Figure 9, described holder is fixedly connected with expansion link, and angle is fixing non-adjustable.
The logical embodiment 1 of all the other structures or embodiment 2.
embodiment 5
As shown in Figure 10 and Figure 11, described fixed bar 4-1 and expansion link 4-3 adopt board making to form.
Between described holder and expansion link, adopt and be bolted connection, by fastening friction, realize rotating regulating, the logical embodiment 1 of all the other structures or embodiment 2.
Claims (7)
1. a drawing-board type liftable desk, comprises table leg, and the desktop that table leg upper end is fixing, and the bookcase of desktop below, is characterized in that being installed with two elevating levers on described desktop, and the upper end of elevating lever is provided with a drawing-board type desktop by holder.
2. drawing-board type liftable desk according to claim 1, it is characterized in that described elevating lever comprises a fixed bar and an expansion link, on expansion link, offer a lifting groove or one group of lifting fixing hole, between fixed bar and expansion link, be bolted.
3. drawing-board type liftable desk according to claim 2, is characterized in that described fixed bar and expansion link use hollow tube or sheet material.
4. according to the drawing-board type liftable desk described in claims 1 to 3 any one, it is characterized in that described holder is arranged on elevating lever upper end and can be rotated adjusting by hinge.
5. drawing-board type liftable desk according to claim 4, it is characterized in that by fastening frictional rotation, regulating between described holder and elevating lever, or the ratchet and pawl arrangement coordinating with elevating lever side by holder rotates adjusting.
6. drawing-board type liftable desk according to claim 4, the hinge of take on holder described in it is characterized in that has one group of adjustment hole as the center of circle along same circumference, elevating lever correspondence position has a locating hole, passes through pin secured adjusted between holder and elevating lever.
7. drawing-board type liftable desk according to claim 4, the hinge of take on holder described in it is characterized in that has a regulating tank as the center of circle along circumference, elevating lever correspondence position has a locating hole, between holder and elevating lever, is bolted adjusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831563.6U CN203969691U (en) | 2013-12-17 | 2013-12-17 | Drawing-board type liftable desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831563.6U CN203969691U (en) | 2013-12-17 | 2013-12-17 | Drawing-board type liftable desk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203969691U true CN203969691U (en) | 2014-12-03 |
Family
ID=51967175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320831563.6U Expired - Fee Related CN203969691U (en) | 2013-12-17 | 2013-12-17 | Drawing-board type liftable desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203969691U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105266384A (en) * | 2015-05-28 | 2016-01-27 | 长春大学 | Multifunctional desk |
| WO2017167307A1 (en) * | 2016-04-02 | 2017-10-05 | 佟建伦 | Vertical worktable |
-
2013
- 2013-12-17 CN CN201320831563.6U patent/CN203969691U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105266384A (en) * | 2015-05-28 | 2016-01-27 | 长春大学 | Multifunctional desk |
| WO2017167307A1 (en) * | 2016-04-02 | 2017-10-05 | 佟建伦 | Vertical worktable |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20171217 |