CN207928089U - A kind of Middle school students ' learning myopia prevention chair - Google Patents
A kind of Middle school students ' learning myopia prevention chair Download PDFInfo
- Publication number
- CN207928089U CN207928089U CN201721479114.4U CN201721479114U CN207928089U CN 207928089 U CN207928089 U CN 207928089U CN 201721479114 U CN201721479114 U CN 201721479114U CN 207928089 U CN207928089 U CN 207928089U
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- CN
- China
- Prior art keywords
- connecting rod
- learning
- correcting
- frame
- middle school
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- 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.)
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Abstract
The utility model discloses a kind of Middle school students ' learning myopia prevention chairs, including the chair back, cushion and support leg, it is provided with frame for correcting on the chair back, it is rotation connection between the frame for correcting and the chair back, and, the frame for correcting includes an at least connecting rod and the gag lever post being set in the connecting rod, and the central axes of the gag lever post and the central axes of the connecting rod are mutually perpendicular to；It is provided with placing groove on the cushion, support plate is placed in the placing groove, the bottom of the support plate is provided with and the matched slot of the connecting rod.The beneficial effects of the utility model are：Can effective preventing students from nearsightedness, facilitate student to read, remind student's sitting correction set, maintain health growth.
Description
Technical field
The utility model is related to daily necessities technical fields, it particularly relates to which a kind of Middle school students ' learning is close with preventing
Depending on chair.
Background technology
Present myopia of student it is more and more, caused by being all much long-term unsuitable sitting posture, cause eyesight injured
The problems such as evil, spinal cord injury evil.Existing Anti-myopia seat is generally by way of back belt type is arranged on the seat to student
Carry out back fixation, although however the seat structure of this back belt type is relatively simple, the elasticity of shoulder strap can influence middle school
The development of raw vertebra, comfort also has and significantly reduces during use.In addition, most of present chair all with desk
Be used cooperatively, when chair is detached with desk, student to read a book study when, since back is fixed on chair by shoulder strap
, therefore, can only both hands vacantly hold books reading, this not only influences the quality of reading, while also greatly reducing
Comfort level when raw reading.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Invention content
For the problems in the relevant technologies, the utility model proposes a kind of Middle school students ' learning myopia prevention chairs, can solve
Certainly the problems mentioned above in the background art.
What the technical solution of the utility model was realized in：
A kind of Middle school students ' learning myopia prevention chair, including the chair back, cushion and support leg are provided with correction on the chair back
Frame is rotation connection between the frame for correcting and the chair back, also, the frame for correcting includes an at least connecting rod and is set to
Gag lever post in the connecting rod, the central axes of the gag lever post and the central axes of the connecting rod are mutually perpendicular to；The cushion
On be provided with placing groove, support plate is placed in the placing groove, the bottom of the support plate is provided with and the connecting rod phase
The slot of cooperation.
Wherein, the frame for correcting is connected to the back side of the chair back, also, is provided at the top of the chair back and the company
The matched gap of extension bar.
Wherein, the back side of the chair back is provided with and the matched holding tank of the frame for correcting.
Wherein, the connecting rod is arcuate structure, also, longitudinal height at the both ends of the connecting rod is more than the connection
Longitudinal height at the middle part of bar.
Wherein, be provided in the connecting rod with the matched shifting chute of the gag lever post, be provided on the shifting chute
Limit card slot, the end set being located on the gag lever post in the shifting chute have and the matched latch of the limit card slot.
Wherein, the connecting rod is made of fixed part and movable part, wherein the fixed part is connect with the chair back, institute
It states movable part to connect with the support plate, also, by hinge connection between the fixed part and the movable part, and described solid
Determine portion and the junction of the movable part is provided with detent mechanism.
Wherein, the detent mechanism includes the positioning protrusion being set on the fixed part or the movable part and is set to
Locating groove on the movable part or the fixed part.
Wherein, it is provided on the cushion and the matched locked groove in the end of the movable part.
Wherein, it is provided with card slot in the support plate, USB headlamps, also, the support plate are placed in the card slot
On at least USB interface that is provided with embedded power supply and is connected with the embedded power supply, in addition, in the support plate
It is additionally provided with supporting block.
Wherein, the support leg is multi-section structure, also, positioning knob is provided between two adjacent sections.
The beneficial effects of the utility model are：By the way that frame for correcting is arranged on the chair back, so as to limit the sitting posture of student,
Student and the distance between books or desk are pulled open, to effectively cause because vision system is with textbook hypotelorism to student
The situation of myopia occurs.Further, since frame for correcting is rotatably dispose on the chair back, therefore, when student rises and sits, can facilitate
Return storage is carried out to frame for correcting, avoiding, which influences rising for student, sits, and then while preventing myopia of student, also improving makes
The convenience and comfort of used time.In addition, by the way that placing groove is arranged on cushion, and support plate is placed in placing groove, to
, can be by support plate from extracting out and be placed on frame for correcting in placing groove when so that seat being used alone, and then provided for student
The effect of textbook is supported, while myopia of student can also be prevented.Which not only improves the versatilities of seat, while can also be effective
Raising seat practicability.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is one of the structural schematic diagram according to the Middle school students ' learning myopia prevention chair of the utility model embodiment；
Fig. 2 is the second structural representation according to the Middle school students ' learning myopia prevention chair of the utility model embodiment；
Fig. 3 is the third structural representation according to the Middle school students ' learning myopia prevention chair of the utility model embodiment；
Fig. 4 is the structural schematic diagram according to the frame for correcting of the utility model embodiment；
Fig. 5 is four according to the structural schematic diagram of the Middle school students ' learning myopia prevention chair of the utility model embodiment；
Fig. 6 is the overlooking structure diagram according to the connecting rod of the utility model embodiment；
Fig. 7 is the structural schematic diagram according to the support plate of the utility model embodiment；
Fig. 8 is the positive structure schematic according to the support plate of the utility model embodiment；
Fig. 9 is the side structure schematic diagram according to the support plate of the utility model embodiment.
In figure：
1, the chair back；2, cushion；3, support leg；4, frame for correcting；5, connecting rod；6, gag lever post；7, placing groove；8, support plate；
9, slot；10, gap；11, holding tank；12, shifting chute；13, limit card slot；14, latch；15, fixed part；16, movable part；
17, hinge；18, detent mechanism；19, positioning protrusion；20, locating groove；21, locked groove；22, card slot；23, USB headlamps；24、
Power supply；25, USB interface；26, supporting block；27, positioning knob.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the range of the utility model protection.
Embodiment according to the present utility model provides a kind of Middle school students ' learning myopia prevention chair.
As shown in figs 1-9, the Middle school students ' learning myopia prevention chair according to the utility model embodiment, including the chair back
1, cushion 2 and support leg 3 are provided with frame for correcting 4 on the chair back 1, connect for rotation between the frame for correcting 4 and the chair back 1
It connects, also, the gag lever post 6 that the frame for correcting 4 connecting rod 5 and be set in the connecting rod 5 including at least one, the gag lever post
6 central axes and the central axes of the connecting rod 5 are mutually perpendicular to；Placing groove 7 is provided on the cushion 2, in the placing groove 7
It is placed with support plate 8, the bottom of the support plate 8 is provided with and 5 matched slot 9 of the connecting rod.
By means of above-mentioned technical proposal, the utility model is learned by the way that frame for correcting 4 is arranged on the chair back 1 so as to limit
Raw sitting posture, pulls open student and the distance between books or desk, to effectively to student because of vision system and textbook distance
Situation that is close and leading to myopia is crossed to occur.Further, since frame for correcting 4 is rotatably dispose on the chair back 1, therefore, risen in student
When seat, can return storage easily be carried out to frame for correcting 4, avoiding, which influences rising for student, sits, and then is preventing myopia of student
Meanwhile also improving convenience and comfort when use.In addition, by the way that placing groove 7 is arranged on cushion 2, and in placing groove 7
Support plate 8 can be extracted out from placing groove 7 so that when seat is used alone and be placed to correction by interior placement support plate 8
On frame 4, and then the effect for supporting textbook is provided for student, while can also prevent myopia of student.Which not only improves seats
Versatility, while can also effectively improve the practicability of seat.
In addition, with continued reference to Fig. 1, in one embodiment, the frame for correcting 4 can design at the back side of the chair back 1（Tool
Body, the frame for correcting 4 is connected to the back side of the chair back 1）, and in the setting of the top of the chair back 1 and 5 phase of the connecting rod
The gap 10 of cooperation.So as to improve the aperture of 4 return of frame for correcting storage（When concrete application, for the aperture being unfolded upwards）,
Facilitate student to rise to sit, avoids making student have the phenomenon that hindering or meeting and discussing when playing seat because 4 return aperture of frame for correcting is small.
In addition, with continued reference to shown in Fig. 3, based in above-described embodiment, the storage for frame for correcting 4, prevents for convenience
Frame for correcting 4 influences the space in 1 back side passageway of the chair back when return is stored, and hinders normal pass, can also be set at the back side of the chair back 1
It sets and 4 matched holding tank 11 of frame for correcting.
When concrete application, since frame for correcting 4 and 1 back side of the chair back are rotation connection, pushed away to the direction at 1 back side of the chair back
Dynamic frame for correcting 4, may make frame for correcting 4 to be drawn close to the back side of the chair back 1, and since the back side of the chair back 1 is provided with holding tank 11, and
The position of holding tank 11 and size are consistent with frame for correcting 4（It matches）, therefore, drawn close to the back side of the chair back 1 in frame for correcting 4
When, you can it drops into holding tank 11, and then avoids frame for correcting 4 and occur in the case where 1 back side protrusion of the chair back.Practical application
When, it can be according to the depth of the corresponding design holding tank 11 of the bodily form of frame for correcting 4, preferably so that frame for correcting 4 is dropping into receiving
After slot 11, no any part is projected on the outside of the back side of the chair back 1.
In addition, with continued reference to Fig. 1, Fig. 2, in one embodiment, in order to ensure support plate 8 after being placed to frame for correcting 4,
The height and gradient of support plate 8 good can meet the visual-field space after student's sitting, can also set connecting rod 5 to arc
Shape structure, specifically, longitudinal height at the both ends of connecting rod 5 is more than longitudinal height at the middle part of connecting rod 5.When concrete application,
Since connecting rod 5 is using the radian being bent upwards, the radian of height and connecting rod 5 based on frame for correcting 4,
After connecting rod 5 connects support plate 8, the height and gradient of support plate 8 are exactly in the visual-field space after student's sitting, are avoided
Student needs to bend over or come back to watch the textbook in support plate 8, to ensure comfort level of the student when seat is used alone,
And form good reading sitting posture custom.
In addition, with continued reference to Fig. 4, in one embodiment, in order to enable frame for correcting 4 can adapt to different bodily form students'
It is required that and facilitate sitting posture of student adjusted according to the distance between the visual field and books, can also be arranged in the connecting rod 5 with
Limit card slot 13 is arranged on shifting chute 12, and is located at movement on gag lever post 6 for 6 matched shifting chute 12 of the gag lever post
End set in slot 12 and 13 matched latch 14 of limit card slot.So as to be existed to adjust gag lever post 6 by shifting chute 12
Relative displacement in connecting rod 5, and gag lever post 6 is fixed on the positioning with latch 14 by limit card slot 13, and then realize
The distance between gag lever post 6 and the chair back 1 are adjustable, adapt to the demand of different bodily form students and different reading distances.
In addition, with continued reference to Fig. 5 and Fig. 6, in one embodiment, in order to ensure safety of the frame for correcting 4 for student,
It avoids without using support plate 8 simultaneously, the end of frame for correcting 4 influences student and normally learns, and can design connecting rod 5
For segmented bendable folded structure, specifically, connecting rod 5 is made of fixed part 15 and movable part 16, wherein fixed part 15 and the chair back
1 connection, movable part 16 connect with support plate 8, connected by hinge 17 between fixed part 15 and movable part 16, and fixed part 15 and
The junction of movable part 16 is provided with detent mechanism 18.When specifically used, due to being to pass through between fixed part 15 and movable part 16
What hinge 17 connected, therefore, when without using support plate 8, the bending of fixed part 15 and movable part 16 can be realized by hinge 17
（Movable part 16 is remained into longitudinal vertical suspension status）, safety is caused in the end to can avoid movable part 16 to student
Hidden danger.And when needing using support plate 8, return can be carried out to movable part 16, and connect with movable part 16 by fixed part 15
The detent mechanism 18 at place is fixed on the positioning, right to meet frame for correcting 4 to which fixed part 15 and movable part 16 be fixed together
The support demand of support plate 8.
In addition, with continued reference to Fig. 6, following knot can be used for above-mentioned detent mechanism 18 based on above-described embodiment
Structure：Detent mechanism 18 includes the positioning protrusion 19 being set on fixed part 15 or movable part 16 and is set to movable part 16 or fixes
Locating groove 20 in portion 15.
Above structure is to realize detent mechanism 18 by clamp connection structure, and in practical application, for above-mentioned fixed
For the mechanism 18 of position, other similar or relevant structures may be used to realize, as long as it can be realized to 15 He of fixed part
Movable part 16 plays the role of fixed and opens and closes.For example, realized in the form of lock, realized in the form of grafting,
Realized in the form of hook etc..
In addition, with continued reference to Fig. 5, it is based on above-described embodiment, in order to which Support activity portion 16 is in longitudinal vertical suspension status
Stability and frame for correcting 4 stability, the matched locked groove in end of one and movable part 16 can be also set on cushion 2
21.So as to connect the end of the movable part 16 under longitudinal vertical suspension status by locked groove 21, and then work is not only ensured
The stability in dynamic portion 16, it is therefore prevented that shaking of the movable part 16 under suspension status, while the movable part 16 after being connect with locked groove 21
It can also play the role of playing longitudinal bracing to fixed part 15, the bi-lateral support for realizing fixed part 15 is matched with the chair back 1, ensure
The stability of frame for correcting 4.
In addition, with continued reference to Fig. 7 and Fig. 8, in one embodiment, in order to improve the practicability of support plate 8, facilitate student
Using support plate 8 read or other are movable, card slot 22 can be also set in support plate 8, and places USB in card slot 22 and shine
Bright lamp 23, meanwhile, at least USB that embedded power supply 24 is arranged in support plate 8 and is connected with embedded power supply 24 connects
Mouth 25.In addition, supporting block 26 can also be arranged in support plate 8.When specifically used, USB headlamps 23 when not in use, can be connected in
It is stored in card slot 22, and when needing illumination, then USB headlamps 23 can be taken out and be connect with USB interface 25, realize illumination work(
Energy.And for above-mentioned supporting block 26, specific location can be located at support plate 8 lower part, so as to be used for supporting textbook or
Other articles in support plate 8, to facilitate the use of student.
In addition, with continued reference to Fig. 1, Fig. 2, Fig. 3 or Fig. 5, in order to enable seat can adapt to different height requirements, will also
Support leg 3 is designed as multi-section structure（Such as the two-section structure in figure）And positioning knob 27 is set between two adjacent sections, to
The length between two adjacent sections is adjusted by positioning knob 27, and then realizes the adjusting of the height of monolithic seat.
In conclusion by means of the above-mentioned technical proposal of the utility model, the utility model is entangled by being arranged on the chair back 1
Positive frame 4 pulls open student and the distance between books or desk so as to limit the sitting posture of student, to effectively to student
The situation of myopia is caused to occur because of vision system and textbook hypotelorism.Further, since frame for correcting 4 is to be rotatably dispose in the chair back
On 1, therefore, when student rises and sits, can return storage easily be carried out to frame for correcting 4, avoiding, which influences rising for student, sits, into
And while preventing myopia of student, also improve the convenience and comfort when use.In addition, by being arranged on cushion 2
Placing groove 7, and support plate 8 is placed in the placing groove 7 can be by support plate 8 from placing groove so that when seat is used alone
It extracts out and is placed on frame for correcting 4 in 7, and then the effect of support textbook is provided for student, while myopia of student can also be prevented.
Which not only improves the versatilities of seat, while can also effectively improve the practicability of seat.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of Middle school students ' learning myopia prevention chair, including the chair back（1）, cushion（2）And support leg（3）, which is characterized in that institute
State the chair back（1）On be provided with frame for correcting（4）, the frame for correcting（4）With the chair back（1）Between for rotation connection, also, it is described
Frame for correcting（4）Including an at least connecting rod（5）Be set to the connecting rod（5）On gag lever post（6）, the gag lever post（6）
Central axes and the connecting rod（5）Central axes be mutually perpendicular to；The cushion（2）On be provided with placing groove（7）, the placement
Slot（7）Inside it is placed with support plate（8）, the support plate（8）Bottom be provided with and the connecting rod（5）Matched slot
（9）.
2. Middle school students ' learning myopia prevention chair according to claim 1, which is characterized in that the frame for correcting（4）Connection
In the chair back（1）The back side, also, the chair back（1）Top be provided with and the connecting rod（5）Matched gap
（10）.
3. Middle school students ' learning myopia prevention chair according to claim 2, which is characterized in that the chair back（1）The back side
It is provided with and the frame for correcting（4）Matched holding tank（11）.
4. Middle school students ' learning myopia prevention chair according to claim 1, which is characterized in that the connecting rod（5）For arc
Shape structure, also, the connecting rod（5）Longitudinal height at both ends be more than the connecting rod（5）Middle part longitudinal height.
5. Middle school students ' learning myopia prevention chair according to claim 1, which is characterized in that the connecting rod（5）On set
It is equipped with and the gag lever post（6）Matched shifting chute（12）, the shifting chute（12）On be provided with limit card slot（13）, described
Gag lever post（6）It is upper to be located at the shifting chute（12）Interior end set has and the limit card slot（13）Matched latch
（14）.
6. Middle school students ' learning myopia prevention chair according to claim 1, which is characterized in that the connecting rod（5）By solid
Determine portion（15）And movable part（16）It constitutes, wherein the fixed part（15）With the chair back（1）Connection, the movable part（16）
With the support plate（8）Connection, also, the fixed part（15）With the movable part（16）Between pass through hinge（17）Connection,
And the fixed part（15）With the movable part（16）Junction be provided with detent mechanism（18）.
7. Middle school students ' learning myopia prevention chair according to claim 6, which is characterized in that the detent mechanism（18）Packet
It includes and is set to the fixed part（15）Or the movable part（16）On positioning protrusion（19）Be set to the movable part（16）
Or the fixed part（15）On locating groove（20）.
8. Middle school students ' learning myopia prevention chair according to claim 6, which is characterized in that the cushion（2）Upper setting
Have and the matched locked groove in the end of the movable part（21）.
9. Middle school students ' learning myopia prevention chair according to claim 1, which is characterized in that the support plate（8）On set
It is equipped with card slot（22）, the card slot（22）Inside it is provided with USB headlamps（23）, also, the support plate（8）On be provided with it is embedded
Formula power supply（24）And with the embedded power supply（24）At least USB interface being connected（25）, in addition, the support plate
（8）On be additionally provided with supporting block（26）.
10. Middle school students ' learning myopia prevention chair according to claim 1, which is characterized in that the support leg（3）It is more
Section structure, also, positioning knob is provided between two adjacent sections（27）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721479114.4U CN207928089U (en) | 2017-11-08 | 2017-11-08 | A kind of Middle school students ' learning myopia prevention chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721479114.4U CN207928089U (en) | 2017-11-08 | 2017-11-08 | A kind of Middle school students ' learning myopia prevention chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207928089U true CN207928089U (en) | 2018-10-02 |
Family
ID=63645384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721479114.4U Expired - Fee Related CN207928089U (en) | 2017-11-08 | 2017-11-08 | A kind of Middle school students ' learning myopia prevention chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207928089U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395248A (en) * | 2018-10-19 | 2019-03-01 | 孔玉霞 | A kind of combination of Chinese tradiational and Western medicine clinic diagnosis device |
| CN111772344A (en) * | 2020-08-31 | 2020-10-16 | 江西世纪星校具实业有限公司 | Desk and chair with correcting and anti-drowsiness functions |
-
2017
- 2017-11-08 CN CN201721479114.4U patent/CN207928089U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395248A (en) * | 2018-10-19 | 2019-03-01 | 孔玉霞 | A kind of combination of Chinese tradiational and Western medicine clinic diagnosis device |
| CN111772344A (en) * | 2020-08-31 | 2020-10-16 | 江西世纪星校具实业有限公司 | Desk and chair with correcting and anti-drowsiness functions |
| CN111772344B (en) * | 2020-08-31 | 2022-04-01 | 江西世纪星校具实业有限公司 | Desk and chair with correcting and anti-drowsiness 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: 20181002 Termination date: 20211108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |