CN211298819U - Desk capable of preventing myopia - Google Patents
Desk capable of preventing myopia Download PDFInfo
- Publication number
- CN211298819U CN211298819U CN201920701989.7U CN201920701989U CN211298819U CN 211298819 U CN211298819 U CN 211298819U CN 201920701989 U CN201920701989 U CN 201920701989U CN 211298819 U CN211298819 U CN 211298819U
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- myopia
- installation cavity
- positioning slot
- desktop
- infrared sensor
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Abstract
The utility model provides a prevention myopia desk, deposit frame, myopia prevention support, infrared sensor, warning light including desk body, desktop, supplementary, the top of desk body is equipped with the desktop, set up the first installation cavity that has the export in the desktop, supplementary frame movable mounting in first installation cavity of depositing, be equipped with the second installation cavity that is used for depositing the myopia prevention support in the supplementary frame of depositing, the supplementary one end symmetry of depositing the frame and being close to the export of first installation cavity is equipped with positioning slot, the lower extreme of myopia prevention support passes through positioning slot fixed mounting and deposits on the frame in supplementary, be equipped with infrared sensor and warning light on the desk body, infrared sensor links to each other with the control unit, the control unit links to each other with the warning light electric property. The sitting posture of the student can be adjusted when the student reads and writes characters, the distance between eyes of the student and the desktop is kept, and the effect of preventing myopia is achieved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of school supplies, in particular to a desk for preventing myopia.
[ background of the invention ]
In recent years, the harm of myopia is more and more, and with the increase of learning pressure, more and more students suffer from myopia; the office workers face the computer all day long, and the eyes are sour and astringent, eye fatigue and myopia gradually develop. For students writing for a long time, the eyes are tired because the eyes read the character for a long time, the head is gradually close to the object to be viewed, if the eyes are not corrected for a long time, the extraocular muscles exert pressure on the eyeball, the intraocular pressure is increased, the tissues in the eye are congested, the wall of the eyeball is gradually pressed and extended, the front axis and the rear axis of the eyeball are lengthened, and finally the myopia of the eyes is caused. Therefore, how to prevent myopia becomes a problem to be solved, and therefore, a desk for preventing myopia is provided.
[ Utility model ] content
The utility model aims at solving the problems in the prior art and providing a desk for preventing myopia, which can adjust the sitting posture of a student when the student reads and writes characters, keep the distance between the eyes of the student and the desktop and achieve the effect of preventing myopia.
For realizing the above-mentioned purpose, the utility model provides a prevention myopia desk, deposit frame, myopia prevention support, infrared sensor, warning light including desk body, desktop, assistance, the top of desk body is equipped with the desktop, set up the first installation cavity that has the export in the desktop, the frame movable mounting is deposited in first installation cavity to the assistance, be equipped with the second installation cavity that is used for depositing the myopia prevention support in the assistance is deposited the frame, the one end symmetry that the frame is close to the export of first installation cavity is deposited to the assistance is equipped with positioning slot, the lower extreme of myopia prevention support passes through positioning slot fixed mounting on the frame is deposited to the assistance, be equipped with infrared sensor and warning light on the desk body, infrared sensor links to each other with the control unit, the control unit links to each other with the warning light electric property.
Preferably, the bilateral symmetry of first installation cavity is equipped with the protruding edge of direction, the supplementary both ends of depositing the frame be equipped with the protruding direction balladeur train along looks adaptation of direction, first arc hand-pulled groove has been seted up to the below of first installation cavity exit end, still set up the third installation cavity and the fourth installation cavity that are used for installing infrared sensor, warning light respectively on the desktop.
Preferably, the infrared sensor is installed on a side face of the turnover plate, the turnover plate is movably installed in the third installation cavity through a rotating shaft, a limiting lug is arranged on one side of the third installation cavity, a limiting groove matched with the limiting lug is formed in one end, far away from the rotating shaft, of the turnover plate, and a second arc-shaped hand-pulled groove is formed in one side, close to the limiting lug, of the third installation cavity.
Preferably, be equipped with the cylinder of cladding cushion on the myopia prevention support, the both ends of myopia prevention support are equipped with adjusting sleeve, adjusting screw is installed to adjusting sleeve's tip, adjusting screw passes through spacing seat and links to each other with the inserted bar, the inserted bar cooperatees with the positioning slot, and just spacing seat can not pass from the positioning slot, the lower extreme of inserted bar is equipped with the horizontal screw hole that is used for installing the fastener.
Preferably, the positioning slot is cylindrical, a truncated cone-shaped lead-in part is arranged at the upper end of the positioning slot, the cross section of the limiting seat is circular, and the radius of the limiting seat is larger than that of the positioning slot.
The utility model has the advantages that: the utility model discloses a desk body, the desktop, supplementary storage frame, myopia prevention support, infrared sensor, warning light etc.'s cooperation, on the one hand can be through myopia prevention support control user's distance from the desk, and conveniently accomodate when not using this support, on the other hand, when not using myopia prevention support, can also carry out real time monitoring through infrared sensor to the distance between user's head and the desktop, when the distance is too close, infrared sensor transmits the signal to the control unit, and drive the warning light through the control unit and put light, in order to remind the user that the distance is too close, need to raise the head and adjust; the sitting posture of the student can be adjusted when the student reads and writes characters, the distance between eyes of the student and the desktop is kept, and the effect of preventing myopia is achieved.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a desk for preventing myopia according to the present invention;
FIG. 2 is a schematic view of the inner structure of the desk top of the desk for preventing myopia;
fig. 3 is a schematic structural view of a myopia prevention bracket of the myopia prevention desk of the present invention;
fig. 4 is a schematic view of the installation structure of the infrared sensor of the desk for preventing myopia;
fig. 5 is a schematic view of the internal structure of the third mounting cavity of the desk for preventing myopia.
[ detailed description ] embodiments
Referring to fig. 1 to 5, the utility model relates to a myopia prevention desk, which comprises a desk body 1, a desktop 2, an auxiliary storage frame 3, a myopia prevention bracket 4, an infrared sensor 5 and a warning light 6, a desktop 2 is arranged above the desk body 1, a first installation cavity 21 with an outlet is arranged in the desktop 2, the auxiliary storage frame 3 is movably arranged in the first mounting cavity 21, a second mounting cavity 31 for storing the myopia-preventing support 4 is arranged in the auxiliary storage frame 3, one end of the auxiliary storage frame 3 close to the outlet of the first installation cavity 21 is symmetrically provided with a positioning slot 33, the lower end of the myopia prevention bracket 4 is fixedly arranged on the auxiliary storage frame 3 through a positioning slot 33, be equipped with infrared sensor 5 and warning light 6 on the desk body 1, infrared sensor 5 links to each other with the control unit 50, the control unit 50 links to each other with 6 electrical property of warning light. The bilateral symmetry of first installation cavity 21 is equipped with the protruding edge 22 of direction, the supplementary both ends of depositing frame 3 are equipped with the direction balladeur train 32 with the protruding edge 22 looks adaptation of direction, first arc hand-pulled groove 23 has been seted up to the below of first installation cavity 21 exit end, still set up the third installation cavity 24 and the fourth installation cavity 20 that are used for installing infrared sensor 5, warning light 6 respectively on the desktop 2.
The utility model discloses the working process:
the utility model relates to a myopia prevention desk, in the use process, on one hand, the distance between the user and the desk can be controlled through a myopia prevention support, the myopia prevention support is firstly taken out and then is installed in a positioning slot and locked by a fastener, the myopia prevention support is clamped on an auxiliary storage frame between the fastener and a limiting seat to complete installation, and the myopia prevention support is convenient to store when the support is not used, only the fastener is required to be detached from an inserted link, and then the myopia prevention support is taken down and put into the auxiliary storage frame; on the other hand, when the myopia prevention support is not used, the distance between the head of the user and the desktop can be monitored in real time through the infrared sensor, when the distance is too short, the infrared sensor transmits a signal to the control unit, and the control unit drives the warning lamp to emit light to remind the user that the distance is too short and the head needs to be lifted for adjustment; adopt the flip plate structure that can accomodate, it is more convenient to use, can adjust student's position of sitting when the student reads and writes the word, keep student's eye and desktop distance, reach myopia prevention's effect.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (3)
1. A desk for preventing myopia is characterized in that: comprises a desk body (1), a desktop (2), an auxiliary storage frame (3), a myopia-preventing support (4), an infrared sensor (5) and a warning lamp (6), wherein the desktop (2) is arranged above the desk body (1), a first installation cavity (21) with an outlet is formed in the desktop (2), the auxiliary storage frame (3) is movably arranged in the first installation cavity (21), a second installation cavity (31) for storing the myopia-preventing support (4) is arranged in the auxiliary storage frame (3), one end, close to the outlet of the first installation cavity (21), of the auxiliary storage frame (3) is symmetrically provided with a positioning slot (33), the lower end of the myopia-preventing support (4) is fixedly arranged on the auxiliary storage frame (3) through the positioning slot (33), the desk body (1) is provided with the infrared sensor (5) and the warning lamp (6), the infrared sensor (5) is connected with the control unit (50), and the control unit (50) is electrically connected with the warning lamp (6); guide convex edges (22) are symmetrically arranged on two sides of the first mounting cavity (21), guide sliding frames (32) matched with the guide convex edges (22) are arranged at two ends of the auxiliary storage frame (3), a first arc-shaped hand-pull groove (23) is formed below the outlet end of the first mounting cavity (21), and a third mounting cavity (24) and a fourth mounting cavity (20) which are respectively used for mounting an infrared sensor (5) and a warning lamp (6) are further formed in the desktop (2); infrared sensor (5) are installed on a side of returning face plate (51), returning face plate (51) are through pivot (53) movable mounting in third installation cavity (24), one side of third installation cavity (24) is equipped with spacing lug (25), returning face plate (51) are kept away from the one end of pivot (53) and are seted up spacing groove (52) with spacing lug (25) matched with, second arc hand-pulled groove (241) have been seted up to one side that third installation cavity (24) are close to spacing lug (25).
2. A desk as recited in claim 1, wherein: be equipped with cylinder (41) of cladding cushion on myopia prevention support (4), the both ends of myopia prevention support (4) are equipped with adjusting sleeve (42), adjusting screw (43) are installed to the tip of adjusting sleeve (42), adjusting screw (43) link to each other with inserted bar (45) through spacing seat (44), inserted bar (45) cooperate with positioning slot (33), and spacing seat (44) can not pass from positioning slot (33), the lower extreme of inserted bar (45) is equipped with horizontal screw hole (451) for installing the fastener.
3. A desk as recited in claim 2, wherein: the positioning slot (33) is cylindrical, a truncated cone-shaped leading-in part is arranged at the upper end of the positioning slot, the cross section of the limiting seat (44) is circular, and the radius of the limiting seat (44) is larger than that of the positioning slot (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920701989.7U CN211298819U (en) | 2019-05-16 | 2019-05-16 | Desk capable of preventing myopia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920701989.7U CN211298819U (en) | 2019-05-16 | 2019-05-16 | Desk capable of preventing myopia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211298819U true CN211298819U (en) | 2020-08-21 |
Family
ID=72059254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920701989.7U Expired - Fee Related CN211298819U (en) | 2019-05-16 | 2019-05-16 | Desk capable of preventing myopia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211298819U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401467A (en) * | 2020-11-19 | 2021-02-26 | 杭州云梯科技有限公司 | Prevent near-sighted intelligent desk |
| CN112767664A (en) * | 2021-02-01 | 2021-05-07 | 三维医疗科技有限公司 | Eye distance monitoring device beneficial to eyesight protection |
| CN113879022A (en) * | 2021-11-05 | 2022-01-04 | 安徽华新印务有限公司 | Exercise book with antibacterial and myopia-preventing functions |
-
2019
- 2019-05-16 CN CN201920701989.7U patent/CN211298819U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401467A (en) * | 2020-11-19 | 2021-02-26 | 杭州云梯科技有限公司 | Prevent near-sighted intelligent desk |
| CN112767664A (en) * | 2021-02-01 | 2021-05-07 | 三维医疗科技有限公司 | Eye distance monitoring device beneficial to eyesight protection |
| CN113879022A (en) * | 2021-11-05 | 2022-01-04 | 安徽华新印务有限公司 | Exercise book with antibacterial and myopia-preventing functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 Termination date: 20210516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |