CN201370315Y - Myopia prevention chair - Google Patents
Myopia prevention chair Download PDFInfo
- Publication number
- CN201370315Y CN201370315Y CN200920023450U CN200920023450U CN201370315Y CN 201370315 Y CN201370315 Y CN 201370315Y CN 200920023450 U CN200920023450 U CN 200920023450U CN 200920023450 U CN200920023450 U CN 200920023450U CN 201370315 Y CN201370315 Y CN 201370315Y
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- China
- Prior art keywords
- backrest
- inductor
- switch
- power supply
- alarm
- 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 myopia prevention chair, which comprises a chair seat, a backrest and a warning device, wherein the warning device comprises a power supply, a fixing strap, a switch, an inductor and a warner. The power supply is arranged at the back part of the backrest; the two ends of the inductor are connected to the two sides of the backrest through the fixing strap so as to form a closed ring; the power supply, the switch, the inductor and the warner are connected in series through a conducting wire; and the conducting wire is arranged at the back part of the backrest or/and in the fixing strap. The myopia prevention chair can be used as follows: a student sits on the chair seat and puts the closed ring formed by the fixing strap around the chest or the shoulders; and when the student sits incorrectly, the warner gives an alarm to prompt the student to sit correctly. The utility model has the advantages of simple structure, flexile and convenient use and good effect, and can prevent myopia and hump effectively.
Description
Technical field
The utility model relates to a kind of Anti-myopia chair.
Background technology
At present, most students in middle and primary schools have myopia, hunchback in various degree, and this has caused bigger burden and harmful effect for students in middle and primary schools' health and psychology, trace it to its cause, on class, the main cause really of the abnormal sitting posture during study.If there is a kind of device of student of when abnormal sitting posture is true, reminding all right.
Summary of the invention
At above-mentioned prior art, the utility model provides a kind of Anti-myopia chair, when sitting posture of student is incorrect, just can send chimes of doom, and the prompting sitting posture of student is incorrect.
The utility model is achieved through the following technical solutions:
A kind of Anti-myopia chair comprises seat support, backrest, warning device, and described warning device is made up of power supply, fixed band, switch, inductor, alarm, wherein, power supply is located at the backrest rear portion, and the inductor two ends are connected the backrest both sides by fixed band respectively, forms a closed circle.Power supply, switch, inductor and alarm are connected in series by lead, and lead is located at the backrest rear portion or/and in the fixed band.
Described inductor is an elasticity touching switch.
Described switch is the plug-in switch.
Described alarm is located at the backrest rear portion.
Described alarm is a buzzer.
Described elasticity touching switch is the switch that is provided with shell fragment in it, when being subjected to ambient pressure, can connect, and when pressure is removed, disconnects, as doorbell.
Use: the student is sitting on the seat support, and the closed corral that fixed band is formed is at chest or shoulder.True when student's abnormal sitting posture, when body forward was inclined, chest or shoulder just can touch inductor, and alarm sends chimes of doom, and the prompting sitting posture of student is incorrect.After the student adjusted sitting posture, alarm stopped to report to the police.The switch of warning device can be the plug-in switch, before student's seat, pulls up, and after taking, plugs, and reports to the police as not needing, and can select not insert, and is easy to use flexible.The length and width of fixed band can freely be adjusted according to oneself situation and hobby.
The utility model is simple in structure, and is easy to use flexible, effective, can effectively prevent the generation of myopia, hunchback.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a circuit diagram of the present utility model;
Fig. 3 is an another kind of structural representation of the present utility model.
Wherein, 1, seat support; 2, backrest; 3, inductor; 4, fixed band; 5, power supply; 6, switch; 7, alarm.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described:
A kind of Anti-myopia chair, comprise seat support 1, backrest 2, warning device, as shown in Figure 1, warning device is made up of power supply 5, fixed band 4, switch 6, inductor 3, alarm 7, wherein, power supply 5 is located at backrest 2 rear portions, and inductor 3 two ends are connected backrest 2 both sides by fixed band 4 respectively, forms a closed circle.Power supply 5, switch 6, inductor 3 and alarm 7 are connected in series by lead, as shown in Figure 2.Lead is located at backrest 2 rear portions or/and in the fixed band 4.Described inductor 3 is elasticity touching switch.Described switch 6 is the plug-in switch.Described alarm 7 is located at backrest 2 rear portions.Described alarm 7 is a buzzer.
Use: the student is sitting on the seat support, and the closed corral that fixed band 4 is formed is at chest or shoulder.True when student's abnormal sitting posture, when body forward was inclined, chest or shoulder just can touch elasticity touching switch, and alarm 7 sends chimes of doom, and the prompting sitting posture of student is incorrect.After the student adjusts sitting posture, no longer contact with elasticity touching switch, alarm 7 stops to report to the police.
In addition, fixed band also can adopt another kind of mode, and as shown in Figure 3, inductor 3 two ends are connected backrest 2 one sides by fixed band 4, forms a closed circle.During use, the closed corral that fixed band 4 is formed uses at shoulder, and other are the same.
Claims (5)
1. Anti-myopia chair, comprise seat support, backrest, it is characterized in that: also comprise warning device, described warning device is made up of power supply, fixed band, switch, inductor, alarm, wherein, power supply is located at the backrest rear portion, and the inductor two ends are connected the backrest both sides by fixed band respectively, form a closed circle, power supply, switch, inductor and alarm are connected in series by lead.
2. a kind of Anti-myopia chair according to claim 1 is characterized in that: described inductor is an elasticity touching switch.
3. a kind of Anti-myopia chair according to claim 1 is characterized in that: described switch is the plug-in switch.
4. a kind of Anti-myopia chair according to claim 1 is characterized in that: described alarm is located at the backrest rear portion.
5. a kind of Anti-myopia chair according to claim 1 is characterized in that: described alarm is a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920023450U CN201370315Y (en) | 2009-03-19 | 2009-03-19 | Myopia prevention chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920023450U CN201370315Y (en) | 2009-03-19 | 2009-03-19 | Myopia prevention chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201370315Y true CN201370315Y (en) | 2009-12-30 |
Family
ID=41496400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920023450U Expired - Fee Related CN201370315Y (en) | 2009-03-19 | 2009-03-19 | Myopia prevention chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201370315Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105124980A (en) * | 2015-10-09 | 2015-12-09 | 金杨淇 | Chair capable of preventing myopia and kyphosis |
-
2009
- 2009-03-19 CN CN200920023450U patent/CN201370315Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105124980A (en) * | 2015-10-09 | 2015-12-09 | 金杨淇 | Chair capable of preventing myopia and kyphosis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20110319 |