CN209518509U - A kind of correcting sitting postures and pre- myopic-preventing device - Google Patents
A kind of correcting sitting postures and pre- myopic-preventing device Download PDFInfo
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- CN209518509U CN209518509U CN201821476792.XU CN201821476792U CN209518509U CN 209518509 U CN209518509 U CN 209518509U CN 201821476792 U CN201821476792 U CN 201821476792U CN 209518509 U CN209518509 U CN 209518509U
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- bottom plate
- panel
- myopic
- shaft
- mounting groove
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Abstract
The utility model relates to a kind of correcting sitting postures and pre- myopic-preventing devices, it is characterised in that: including bottom plate, panel and Sitting posture correcting device, the bottom plate is equipped with the fastening connection piece being fixedly connected with desk top for being attached to desk top, the corner location of bottom plate；The panel front side edge is hinged on bottom plate, lifting supporting mechanism is equipped between panel rear lower surface and bottom plate, the lifting supporting mechanism drives being capable of lift adjustment on rear side of panel；The upper surface of the pan front is equipped with mounting groove, the Sitting posture correcting device is mounted in mounting groove, Sitting posture correcting device includes two vertical bars and a cross bar, the upper end of two vertical bars is hinged with the both ends of the cross bar respectively, the lower end of two vertical bars is slidably connected with mounting groove, and the locking mechanism for locking vertical bar is equipped in the mounting groove.The utility model clever structure, design is rationally, easy to use, and teenager can be forced to keep correct read-write posture, effective pre- myopia prevention.
Description
Technical field
The utility model relates to a kind of correcting sitting postures and pre- myopic-preventing devices, belong to healthy prevention technique field.
Background technique
Currently, the disease incidence of China's adolescent myopia increases year by year, shown in students of nation constitution and healthy finding:
Pupil's rate of myopia has reached 40% or more, and high school student's rate of myopia is more up to 80%, and golden a quarter student is high
Degree myopia.These data are startling, therefore the prevention and treatment of myopia has been that current one of China is serious and be to carve not
Hold slow public health problem.
The treatment currently, adolescent myopia is had no idea, what can uniquely be done is exactly active prevention, the increasing of retarding myopia
Long speed.The famous ametropia expert Chu Renyuan professor in China mentions " just in " main points of children myopia prevention and control " text
True read-write posture " is extremely important.And child at home reading and writing when can have parent's supervision, and in school, teachers association
There is the correct set for reminding child to keep read-write.But most child lacks consciousness, and learning pressure is big at present, makees
Industry amount is more, and the time of child's outdoor activities significantly reduces, in addition long-time read-write posture is incorrect, near-sighted illness rate it is rapid
It is also just not at all surprising to increase.For the above-mentioned reason for leading to myopia, existing related preventive means are mainly on the market at present
Be transformed in terms of seat, with correcting sitting postures, but seat be it is transportable, binding character is relatively weak, related preventive
Effect is not fine.And the constraint on seat influences whether the naturality of sitting posture, if things go on like this goes down, to the bone of child
Development may have adverse effect.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of correcting sitting postures are provided and prevention is close
Depending on device, clever structure, design is rationally, easy to use, and teenager can be forced to keep correct read-write posture, effectively prevented
Myopia.
According to technical solution provided by the utility model: a kind of correcting sitting postures and pre- myopic-preventing device, it is characterised in that:
Including bottom plate, panel and Sitting posture correcting device, the bottom plate is for being attached to desk top, and the corner location of bottom plate is equipped with and desk
The fastening connection piece that face is fixedly connected；The panel front side edge is hinged on bottom plate, is set between panel rear lower surface and bottom plate
There is lifting supporting mechanism, the lifting supporting mechanism drives being capable of lift adjustment on rear side of panel；The upper surface of the pan front
It is equipped with mounting groove, the Sitting posture correcting device is mounted in mounting groove, and Sitting posture correcting device includes two vertical bars and a cross bar, and two
The upper end of root vertical bar is hinged with the both ends of the cross bar respectively, and lower end and the mounting groove of two vertical bars are slidably connected, the installation
The locking mechanism for locking vertical bar is equipped in slot.
The plate upper surface is equipped with matched recessed with panel-shaped size as a further improvement of the utility model,
Chamber, the panel and lifting supporting mechanism are arranged in cavity, and the panel front side edge is set as arc, the cavity front side wall
It is equipped with the arc groove coincideing with panel front side edge shape；The panel front side edge is connected in the arc groove and passes through installation
Pin shaft and bottom plate in bottom plate two sides is hinged.
As a further improvement of the utility model, the lifting supporting mechanism include support arm, shaft, fixed handwheel and
Mobile handwheel, the shaft are rotatably installed in bottom rear, several support arms, the support arm lower end are fixedly installed in shaft
It is fixedly connected with shaft, support arm upper end is abutted with panel lower surface；Described shaft one end is installed by fixed handwheel, other end installation
Mobile handwheel, connects between the mobile handwheel and shaft for spline, and mobile handwheel can move axially in shaft but can not
It relatively rotates；The mobile handwheel medial surface is equipped with limited block, the side opposite with mobile handwheel medial surface front of the bottom plate
Face is equipped with spacing collar, and spacing collar outer end is equipped with several circumferentially uniformly distributed notches, and the notch and limited block cooperate, when
When mobile handwheel moves inward, the limited block can be caught in the notch.
As a further improvement of the utility model, being respectively equipped on the limited block and spacing collar to be mutually attracted
Magnetic absorption member.
The bottom rear two sides are equipped with bearing groove as a further improvement of the utility model, and the bearing groove is opened
Mouth is located on plate upper surface, and the bearing for supporting the shaft is equipped in the bearing groove.
The locking mechanism includes resilient key as a further improvement of the utility model, and the resilient key is embedded in perpendicular
Bar lower end, the end of resilient key and the both sides side wall of mounting groove are opposite, and the both sides side wall of the mounting groove is equipped with several etc.
The end of the arc dolly dimple of spacing distribution, the arc dolly dimple and resilient key cooperates, when the end of resilient key is embedded in arc
When in dolly dimple, the vertical bar is locked.
The fastening connection piece includes sucker, screw rod and locking nut as a further improvement of the utility model, described
The lower surface of bottom plate quadrangle is equipped with arch shaped cavity, and the top of the arch shaped cavity is equipped with the through-hole for being through to plate upper surface, institute
It states sucker to be placed in the arch shaped cavity, the screw rod is threaded through in the through-hole, screw rod lower end and sucker center back one
Body connection, screw rod upper end exposes from through-hole upper end and installs the locking nut.
The cross bar upper surface is equipped with ramus of mandible bracketing, the ramus of mandible as a further improvement of the utility model,
The upper surface shape of bracketing is concave arc shape, and the upper surface week of ramus of mandible bracketing is along being set as arc.
The upper surface of the ramus of mandible bracketing is equipped with soft silicagel pad as a further improvement of the utility model,.
The panel upper surface is equipped with book-blocking bar close to the position of front side edge as a further improvement of the utility model,.
The utility model compared with prior art, has the advantages that
1), the utility model clever structure, design is rationally, easy to use, by the way that Sitting posture correcting device is arranged, can force green few
Keep correct read-write posture, effective pre- myopia prevention year.And Sitting posture correcting device can be adjusted according to the height of student itself,
Reach suitable position.
2), the panel in the utility model with pitch regulation can be conducive to that student is avoided excessively to bow, and protect vertebra and neck
Vertebra.
Detailed description of the invention
Fig. 1 is one of the schematic perspective view of the utility model embodiment.
Fig. 2 is the portion the A enlarged diagram in Fig. 1.
Fig. 3 is the two of the schematic perspective view of the utility model embodiment.
Fig. 4 is the structure top view of the utility model embodiment.
Fig. 5 is that enlarged drawing cuts open in the B-B office in Fig. 4.
Fig. 6 is that enlarged drawing cuts open in the C-C office in Fig. 4.
Fig. 7 is that enlarged drawing cuts open in the D-D office in Fig. 4.
Description of symbols: 1- bottom plate, 1a- mounting groove, 1b- cavity, 1c- arc groove, 1d-, 1e- arc dolly dimple, 1f-
Arch shaped cavity, 1g- through-hole, 2- panel, 3- Sitting posture correcting device, 3.1- vertical bar, 3.2- cross bar, 3.3- ramus of mandible bracketing, 4- fastening
The fixed handwheel of connector, 4.1- sucker, 4.2- screw rod, 4.3- locking nut, 5- pin shaft, 6- support arm, 7- shaft, 8-, 9- are moved
It starts wheel, 10- spacing collar, 11- resilient key.
Specific embodiment
Below with reference to specific drawings and examples, the utility model is described in further detail.
As shown in figure 1, figure 3 and figure 4, embodiment discloses a kind of correcting sitting postures and pre- myopic-preventing device, mainly the bottom of by
Plate 1, panel 2 and Sitting posture correcting device 3 form；The bottom plate 1 for being attached to desk top, the corner location of bottom plate 1 be equipped with
The fastening connection piece 4 that desk top is fixedly connected；2 front side edge of panel is hinged on bottom plate 1, lower surface and bottom after panel 2
Lifting supporting mechanism is equipped between plate 1, the lifting supporting mechanism drives being capable of lift adjustment on rear side of panel 2；Before the bottom plate 1
The upper surface in portion is equipped with mounting groove 1a, and the Sitting posture correcting device 3 is mounted in mounting groove 1a, and Sitting posture correcting device 3 includes two
Vertical bar 3.1 and a cross bar 3.2, the upper end of two vertical bars 3.1 are hinged with the both ends of the cross bar 3.2 respectively, two vertical bars
3.1 lower end is slidably connected with mounting groove 1a, and the locking mechanism for locking vertical bar 3.1 is equipped in the mounting groove 1a.
When specifically used, the cross bar 3.2 of Sitting posture correcting device 3 is lifted upwards, cross bar 3.2 drives the upper of two vertical bars 3.1
End moves up, and along mounting groove 1a slid inward, vertical bar 3.1 is gradually erected for the lower end of two vertical bars 3.1, when cross bar 3.2 mentions
After being raised to proper height, the locking mechanism in mounting groove 1a can lock 3.1 lower end of vertical bar.Cross bar in Sitting posture correcting device 3
3.2 can make to keep correct distance between its eye and homework book when writing in student；What cross bar 3.2 can be appropriately arranged with
It grows a bit, to prevent student's head skew when writing.The vertical height of cross bar 3.2 will be adjusted according to the height of student itself
Section, reaches suitable position, correcting sitting postures.
As shown in Fig. 1, Fig. 3, Fig. 5, in the present embodiment, 1 upper surface of bottom plate is equipped with matched with 2 shape size of panel
Cavity 1b, the panel 2 and lifting supporting mechanism are arranged in cavity 1b, and 2 front side edge of panel is set as arc, described recessed
Chamber 1b front side wall is equipped with the arc groove 1c coincideing with 2 front side edge shape of panel；2 front side edge of panel is connected to the arc
In slot 1c and the pin shaft 5 by being mounted on 1 two sides of bottom plate and bottom plate 1 are hinged.So set, when panel 2 is put down, on panel 2
Surface keeps flushing with 1 upper surface of bottom plate, more aesthetically pleasing.
As shown in Figure 1 to 4, in the present embodiment, the lifting supporting mechanism is mainly by support arm 6, shaft 7, fixed hand
Wheel 8 and mobile handwheel 9 form, and the shaft 7 is rotatably installed in 1 rear portion of bottom plate, several support arms 6 are fixedly installed in shaft 7,
6 lower end of support arm is fixedly connected with shaft 7, and 6 upper end of support arm is abutted with 2 lower surface of panel；7 one end of shaft installation
Fixed handwheel 8, the other end are installed mobile handwheel 9, are connected between the mobile handwheel 9 and shaft 7 for spline, mobile 9 energy of handwheel
It is enough to move axially but cannot rotate relative to each other in shaft 7；9 medial surface of mobile handwheel is equipped with limited block 9a, the bottom plate 1
The side opposite with mobile 9 medial surface front of handwheel is equipped with spacing collar 10, and it is circumferentially uniformly distributed that 10 outer end of spacing collar is equipped with several
Notch 10a, the notch 10a and limited block 9a cooperate, when mobile handwheel 9 moves inward, the limited block 9a energy
Enough it is caught in the notch 10a.
In use, driving shaft 7 to rotate by rotating fixed handwheel 8 and mobile handwheel 9, branch is driven when shaft 7 rotates
6 other end of brace is swung up, so that 2 rear portion of panel be jacked up, panel 2 is rotated around pin shaft 5；When 2 rear portion of panel rises to conjunction
After suitable height, then the fixed handwheel 8 of left hand grip, the right hand inwardly push mobile handwheel 9, make the limit on mobile 9 medial surface of handwheel
Position block 9a is caught in the correspondence notch 10a on spacing collar 10, i.e., fixes shaft 7, to also fix support arm 6, face
Plate 2 remains in suitable position.
As shown in Fig. 2, being respectively equipped with the magnetic that can be mutually attracted on the limited block 9a and spacing collar 10 in the present embodiment
Inhale part.So set, magnetic absorption member makes limited block 9a and limit when limited block 9a is caught in the correspondence notch 10a on spacing collar 10
Position circle 10 is mutually attracted, and mobile handwheel 9 is avoided to skid off notch 10a.
As shown in figure 1, figure 3 and figure 4, in the present embodiment, the 1 rear portion two sides of bottom plate are equipped with bearing groove 1d, the bearing groove
The opening of 1d is located on 1 upper surface of bottom plate, and the bearing for supporting the shaft 7 is equipped in the bearing groove 1d.So set, can
So that shaft 7 rotates more flexible, and assembling is also more convenient, and bearing is only needed to bearing groove 1d after installing with upper cover plate i.e.
It can.
As shown in fig. 7, the locking mechanism includes resilient key 11 in the present embodiment, the resilient key 11 is embedded in vertical bar
3.1 lower ends, the end of resilient key 11 and the both sides side wall of mounting groove 1a are opposite, and the both sides side wall of the mounting groove 1a is equipped with
Arc the dolly dimple 1e, the arc dolly dimple 1e of several equidistantly distributeds and the end of resilient key 11 cooperate, and work as resilient key
When in 11 end insertion arc dolly dimple 1e, the vertical bar 3.1 is locked.The depth of the arc dolly dimple 1e than shallower,
When the drive that 3.1 lower end of vertical bar is subject to is larger, the end of resilient key 11, which can be driven, is detached from arc dolly dimple 1e, thus makes
3.1 lower end position of vertical bar can be adjusted.
As shown in fig. 6, the fastening connection piece 4 is mainly by sucker 4.1, screw rod 4.2 and locking nut in the present embodiment
4.3 compositions, the lower surface of 1 four jiaos of the bottom plate are equipped with arch shaped cavity 1f, and the top of arch shaped cavity 1f, which is equipped with, is through to bottom
The through-hole 1g of 1 upper surface of plate, the sucker 4.1 are placed in the arch shaped cavity 1f, and the screw rod 4.2 is threaded through the through-hole
In 1g, 4.2 lower end of screw rod and 4.1 center back integrally connected of sucker, 4.2 upper end of screw rod exposes from the upper end through-hole 1g and installs institute
State locking nut 4.3.So set, only being needed first by locking nut 4.3 when needing to be used to be attached on desk top by bottom plate 1
It is threaded to 4.2 upper end of screw rod, then firmly depresses, the air in sucker 4.1 is discharged, then again by locking nut 4.3 to backspin
Turn, until locking nut 4.3 offsets with 1 upper surface of bottom plate, so that it may which bottom plate 1 to be tightly attached on desk top.
As shown in Figure 1, Figure 3, in the present embodiment, 3.2 upper surface of cross bar is equipped with ramus of mandible bracketing 3.3, under described
The upper surface shape of jaw supporting bracket 3.3 is concave arc shape, and the upper surface week of ramus of mandible bracketing 3.3 is along being set as arc.So set
It sets, on the one hand, ramus of mandible bracketing 3.3 can effectively support the chin portion of user, correcting sitting postures；On the other hand, lower jaw
Supporting bracket 3.3 also acts as the effect of handle, erects Sitting posture correcting device 3 with can be convenient.
In the utility model, the upper surface of the ramus of mandible bracketing 3.3 is preferably provided with soft silicagel pad.It in this way can be significantly
Improve the comfort used.2 upper surface of panel is preferably provided with book-blocking bar close to the position of front side edge, can prevent face in this way
Books slide downward on plate 2.
Described above is only the preferred embodiment of the utility model, and above-mentioned specific embodiment is not to the utility model
Limitation.In the technical idea scope of the utility model, various modifications and modification, the ordinary skill of all this fields can occur
Retouching, modification or the equivalent replacement that personnel are made as described above belong to the range that the utility model is protected.
Claims (10)
1. a kind of correcting sitting postures and pre- myopic-preventing device, it is characterised in that: including bottom plate (1), panel (2) and Sitting posture correcting device
(3), the bottom plate (1) is equipped with the fastening being fixedly connected with desk top for being attached to desk top, the corner location of bottom plate (1)
Connector (4)；Panel (2) front side edge is hinged on bottom plate (1), and panel (2) is equipped between lower surface and bottom plate (1) afterwards
Supporting mechanism is gone up and down, the lifting supporting mechanism drives being capable of lift adjustment on rear side of panel (2)；Bottom plate (1) front it is upper
Surface is equipped with mounting groove (1a), and the Sitting posture correcting device (3) is mounted in mounting groove (1a), and Sitting posture correcting device (3) includes two
Root vertical bar (3.1) He Yigen cross bar (3.2), the upper end of two vertical bars (3.1) are hinged with the both ends of the cross bar (3.2) respectively,
The lower end of two vertical bars (3.1) is slidably connected with mounting groove (1a), is equipped in the mounting groove (1a) for locking vertical bar (3.1)
Fixed locking mechanism.
2. correcting sitting postures as described in claim 1 and pre- myopic-preventing device, it is characterised in that: bottom plate (1) upper surface
Equipped with the matched cavity of panel (2) shape size (1b), the panel (2) and lifting supporting mechanism be arranged at cavity (1b)
Interior, panel (2) front side edge is set as arc, and cavity (1b) front side wall is equipped with to coincide with panel (2) front side edge shape
Arc groove (1c)；Panel (2) front side edge is connected in the arc groove (1c) and by being mounted on bottom plate (1) two sides
Pin shaft (5) and bottom plate (1) are hinged.
3. correcting sitting postures as described in claim 1 and pre- myopic-preventing device, it is characterised in that: the lifting supporting mechanism packet
Support arm (6), shaft (7), fixed handwheel (8) and movement handwheel (9) are included, after the shaft (7) is rotatably installed in bottom plate (1)
Portion is fixedly installed with several support arms (6) in shaft (7), and support arm (6) lower end is fixedly connected with shaft (7), support arm
(6) upper end is abutted with panel (2) lower surface；Described shaft (7) one end is installed fixed handwheel (8), and the other end installs mobile handwheel
(9), it is connect between the mobile handwheel (9) and shaft (7) for spline, mobile handwheel (9) can move axially on shaft (7)
But it cannots rotate relative to each other；Mobile handwheel (9) medial surface is equipped with limited block (9a), the bottom plate (1) with mobile handwheel (9)
The opposite side in medial surface front is equipped with spacing collar (10), and spacing collar (10) outer end is equipped with several circumferentially uniformly distributed notches
(10a), the notch (10a) and limited block (9a) cooperate, when mobile handwheel (9) move inward, the limited block
(9a) can be caught in the notch (10a).
4. correcting sitting postures as claimed in claim 3 and pre- myopic-preventing device, it is characterised in that: the limited block (9a) and limit
The magnetic absorption member that can be mutually attracted is respectively equipped on position circle (10).
5. correcting sitting postures as claimed in claim 3 and pre- myopic-preventing device, it is characterised in that: bottom plate (1) rear portion two
Side is equipped with bearing groove (1d), and the opening of the bearing groove (1d) is located on bottom plate (1) upper surface, installation in the bearing groove (1d)
There is the bearing for supporting the shaft (7).
6. correcting sitting postures as described in claim 1 and pre- myopic-preventing device, it is characterised in that: the locking mechanism includes bullet
Property pin (11), the resilient key (11) is embedded in vertical bar (3.1) lower end, the end of resilient key (11) and the both sides of mounting groove (1a)
Side wall is opposite, and the both sides side wall of the mounting groove (1a) is equipped with the arc dolly dimple (1e) of several equidistantly distributeds, described
The end of arc dolly dimple (1e) and resilient key (11) cooperates, when in the end of resilient key (11) insertion arc dolly dimple (1e)
When, the vertical bar (3.1) is locked.
7. correcting sitting postures as described in claim 1 and pre- myopic-preventing device, it is characterised in that: the fastening connection piece (4)
Including sucker (4.1), screw rod (4.2) and locking nut (4.3), the lower surface of bottom plate (1) quadrangle is equipped with arch shaped cavity
(1f), the top of the arch shaped cavity (1f) are equipped with the through-hole (1g) for being through to bottom plate (1) upper surface, and the sucker (4.1) is placed
In the arch shaped cavity (1f), the screw rod (4.2) is threaded through in the through-hole (1g), screw rod (4.2) lower end and sucker
(4.1) center back integrally connected, screw rod (4.2) upper end expose from the upper end through-hole (1g) and install the locking nut (4.3).
8. correcting sitting postures as described in claim 1 and pre- myopic-preventing device, it is characterised in that: table on the cross bar (3.2)
Face is equipped with ramus of mandible bracketing (3.3), and the upper surface shape of the ramus of mandible bracketing (3.3) is concave arc shape, and ramus of mandible bracketing
(3.3) upper surface week is along being set as arc.
9. correcting sitting postures as claimed in claim 8 and pre- myopic-preventing device, it is characterised in that: the ramus of mandible bracketing
(3.3) upper surface is equipped with soft silicagel pad.
10. correcting sitting postures as described in claim 1 and pre- myopic-preventing device, it is characterised in that: panel (2) upper surface
Book-blocking bar is equipped with close to the position of front side edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476792.XU CN209518509U (en) | 2018-09-10 | 2018-09-10 | A kind of correcting sitting postures and pre- myopic-preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476792.XU CN209518509U (en) | 2018-09-10 | 2018-09-10 | A kind of correcting sitting postures and pre- myopic-preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209518509U true CN209518509U (en) | 2019-10-22 |
Family
ID=68214376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821476792.XU Expired - Fee Related CN209518509U (en) | 2018-09-10 | 2018-09-10 | A kind of correcting sitting postures and pre- myopic-preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209518509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027624A (en) * | 2021-11-04 | 2022-02-11 | 桃源县桃师附属小学 | Write neck limiting device who prevents pressing close to |
-
2018
- 2018-09-10 CN CN201821476792.XU patent/CN209518509U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027624A (en) * | 2021-11-04 | 2022-02-11 | 桃源县桃师附属小学 | Write neck limiting device who prevents pressing close to |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 Termination date: 20200910 |