CN204306397U - A kind of children's full-automatic myopia tables and chairs - Google Patents
A kind of children's full-automatic myopia tables and chairs Download PDFInfo
- Publication number
- CN204306397U CN204306397U CN201420823788.1U CN201420823788U CN204306397U CN 204306397 U CN204306397 U CN 204306397U CN 201420823788 U CN201420823788 U CN 201420823788U CN 204306397 U CN204306397 U CN 204306397U
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- myopia
- children
- base
- push rod
- tables
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Abstract
The utility model discloses a kind of children's full-automatic myopia tables and chairs, include myopia-preventing desk and Anti-myopia chair; Described myopia-preventing desk includes can the left and right table leg of synchronization lifting, between left and right table leg, desktop frame is installed, desktop frame is provided with desktop, being provided with in the middle of described desktop can the small table plate of automatic lifting, the rear portion of small table plate is arranged in desktop frame, the back side of desktop frame is provided with can the myopia prevention elevating lever of automatic lifting, and myopia prevention elevating lever stretches out the chest position being against children.
Description
technical field:
The utility model relates generally to a kind of children's full-automatic myopia tables and chairs technical field.
background technology:
In prior art, there is following defect in children's myopia desk & chair:
Myopia-preventing desk does not have small table plate, and the angle of desktop can not adjust according to demand, and children are sitting in after in children's chairs, and upper body is easily not autonomous must be close to desktop, like this, can hurt the eyesight of children.
Chair framework used by Anti-myopia chair, be unidirectional guide rail, poor stability.Backrest position adjusts up and down and is difficult to location, and base does not have safe transverse slat, and ejecting rod of cylinder easily stabs logical seat and hurts children.
The chair base of Anti-myopia chair directly slides to realize the movement of chair position on floor, can cause damage like this to floor.In addition, child is sitting on this seat, easily departs from desk center, and easily the lumbar vertebrae of injury child, damages child body.
The table leg of myopia-preventing desk controls lifting by latch positioned-lifting, hand control lifting or cylinder, all there is the nonsynchronous defect of lifting.Latch positioned-lifting needs to be elevated respectively, troublesome poeration.Hand lifting is cumbersome.The easy lateral deviation of Pneumatic elevation, not easily synchronously.
To sum up, need to improve children's myopia desk & chair.
utility model content:
The utility model object is exactly the defect in order to make up prior art, provides a kind of children's full-automatic myopia tables and chairs.
The utility model is achieved through the following technical solutions:
A kind of children's full-automatic myopia tables and chairs, is characterized in that: include myopia-preventing desk and Anti-myopia chair; Described myopia-preventing desk includes can the left and right table leg of synchronization lifting, between left and right table leg, desktop frame is installed, desktop frame is provided with desktop, being provided with in the middle of described desktop can the small table plate of automatic lifting, the rear portion of small table plate is arranged in desktop frame, the back side of desktop frame is provided with can the myopia prevention elevating lever of automatic lifting, and myopia prevention elevating lever stretches out the chest position being against children.
Described Anti-myopia chair includes chair base, and described chair base is provided with adjustable for height seat by lift cylinder.
A kind of children's full-automatic myopia tables and chairs, is characterized in that: the rotated down being positioned at desktop frame between left and right table leg is provided with power transmission shaft; Described left and right table leg has included table leg base, table leg base is all fixed with the support arm of hollow, is all sliding combined with the inner support of hollow, is all provided with screw riser in inner support in support arm, and the top of screw riser is all provided with gearbox; Power transmission shaft two ends respectively plug-in mounting enter in the input hole of corresponding gearbox; Left or right table leg is provided with table leg motor, on the output shaft of table leg motor, fixed cover is equipped with driving gear, and on described power transmission shaft, fixed cover is equipped with the driven gear with driving gear engaged transmission.
Described a kind of children's full-automatic myopia tables and chairs, it is characterized in that: the rotated down being positioned at small table plate bottom described desktop frame is provided with lifting support axle, the two ends of lifting support axle are installed with left and right connecting rod rack respectively, and the top of left and right connecting rod rack is arranged on the left and right sides of small table plate movable end respectively; Left and right driven gear is equipped with at the two ends of described lifting support axle respectively fixed cover, and the back of desktop is separately installed with the chaindriven left driving gear with left moving gear, and left driving gear is rotated by small table plate Electric Machine Control.
Described a kind of children's full-automatic myopia tables and chairs, is characterized in that: the both sides being positioned at small table plate bottom described desktop frame are separately installed with drawer.
Described a kind of children's full-automatic myopia tables and chairs, it is characterized in that: described myopia prevention elevating lever includes push rod overcoat and is rotatably installed in the angle adjustment slide plate at the desktop frame back side, angle adjustment slide plate has longitudinal bar-shaped trough, the rear end of push rod overcoat is slidably mounted in bar-shaped trough, and the front end of push rod overcoat is hinged in desktop frame; In push rod overcoat, slide-and-guide is combined with the push rod of hollow; The rear portion of push rod overcoat is provided with the elevating lever motor and elevating lever gearbox that are in transmission connection, the output shaft of elevating lever gearbox is fixedly connected with the screw rod of spinning at push rod rear portion; It is outer and be installed with myopia prevention baffle that push rod overcoat is stretched out in push rod front end, and push rod stretches out the chest position that rear myopia prevention baffle is against children.
Described a kind of children's full-automatic myopia tables and chairs, it is characterized in that: described seat includes chair framework, cushion and back cushion, chair framework includes the back bracket of skeleton base and L-type, and the horizontal part of back bracket is coordinated with being led by slide between skeleton base; The vertical portion inner slide of described back bracket is combined with slide plate, slide plate has longitudinal guide groove, one side end face of guide groove is provided with a toothrow groove, the vertical portion of described back bracket is provided with control handle by torsion spring, the inner of control handle is stretched in guide groove and fixed cover is equipped with latch, and latch is poured into slide plate clamping location in corresponding teeth groove under torsion spring effect; Described cushion is arranged on skeleton base, and back cushion is arranged on described slide plate.
Described a kind of children's full-automatic myopia tables and chairs, it is characterized in that: the vertical portion of described back bracket has gathering sill, the described slide plate back side is provided with the axis of guide, and the axis of guide inserts in corresponding gathering sill; On the end face of described skeleton base, the position of corresponding lift cylinder piston rod is fixed with safe transverse slat; The horizontal part of back bracket is coordinated with being led by two slide between skeleton base.
Described a kind of children's full-automatic myopia tables and chairs, is characterized in that: described chair base includes firm banking, and firm banking is provided with guide post by guide bearing; Firm banking is sliding combined with mobile base by guide post, and mobile base central upper is provided with the reinforcement cover be enclosed within outside lift cylinder; The front end of described guide post is fixed on the bottom of myopia-preventing desk.
Described a kind of children's full-automatic myopia tables and chairs, is characterized in that: the front end of described mobile base is provided with tread mechanism; Tread mechanism includes pedal base, and pedal base is rotatablely equipped with pedal; Pedal base rear portion is provided with the back-moving spring vertically placed, and back-moving spring top withstands on the back side of pedal; Two limit switches are installed inside the collateral plate on the right side of pedal base.
In leg structure of collapsible, table leg Electric Machine Control output shaft rotation, by the engagement between driving gear and driven gear, achieves the object of drive axis.Because power transmission shaft two ends are inserted in the input hole of gearbox in left and right table leg respectively, so the gearbox of both sides can realize synchronous working, finally realizes the object of left and right table leg synchronization lifting.
In small table plate structure, start small table plate motor, left driving gear is driven to rotate, by the chain gear transmission between left driven gear and left driving gear, lifting support axle is driven to rotate, and then driven left and right link supports to play small table plate, make small table plate inclined, convenient for children regulates according to demand.
In myopia prevention lifting rod structure; screw rod is fixedly connected with the output shaft of elevating lever gearbox; namely screw rod is longitudinally belonging to stationary state; and to be enclosed within outside the push rod of rotation set outside screw rod and push rod be longitudinally slide-and-guide cooperation; so; according to feed screw nut's principle; when elevating lever motor drives bolt rotary by elevating lever gearbox; push rod can slidably reciprocate in push rod overcoat; when push rod moves; myopia prevention baffle is against the chest position of children, prevents children's torso from leaning forward further, the fine eyesight that must protect children.
In armchair structure, latch is outwarded winding by rotary control knob, now, slide plate can be handled by the axis of guide and slide up and down the object realizing adjustment position of back, after adjusting position of back, unclamp knob, now, latch is being poured into slide plate clamping location in corresponding teeth groove under torsion spring effect.
In chair chassis structure, the position of firm banking keeps motionless, can not cause scuffing to floor; When child needs variation chair position, only need by fore-aft travel base slide anteroposterior on firm banking; Strengthen the interpolation of cover, the stability of seat can be increased; Under the guide effect of guide post, can ensure that seat moves relative to desk vertical direction, prevent chair from departing from, infringement child lumbar vertebrae.
By having longitudinal chute on base in the utility model, making it adjust front and back, being convenient to child's leg and stretching; Limit switch can coordinate with corresponding control circuit, realizes the effect limited chair position; Back-moving spring, after child's pin lifts, can make limit switch automatically close.
By the effect of safe transverse slat, prevent cylinder from poking seat and hurt children; Adopt two-way guide rails, good stability.
Described desktop frame is one-time formed, and intensity is high, and flatness is good, time saving and energy saving, saves production cost.
Advantage of the present utility model:
The utility model improves many places on myopia-preventing desk and Anti-myopia chair, and desktop can be adjusted to suitable reading angle by the myopia-preventing desk after improvement, can prevent children's torso from excessively leaning forward, effective eyesight that must protect children; Anti-myopia chair after improvement, can control the distance between myopia-preventing desk automatically, and in sliding process, can't cause damage to floor, structural design is hommization very.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation after the combination of left and right table leg.
Fig. 3 is the structural representation of table leg.
Fig. 4 is the structural representation at the small table plate back side.
Fig. 5 is the structural representation at myopia prevention elevating lever position.
Fig. 6 is the structural representation of chair framework.
Fig. 7 is the structural representation at chair base position.
Fig. 8 is the structural representation at tread mechanism position.
detailed description of the invention:
See accompanying drawing.
A kind of children's full-automatic myopia tables and chairs, include myopia-preventing desk and Anti-myopia chair; Described myopia-preventing desk includes can the left and right table leg 1,2 of synchronization lifting, between left and right table leg 1,2, desktop frame is installed, desktop frame is provided with desktop 3, being provided with in the middle of described desktop 3 can the small table plate 4 of automatic lifting, the rear portion of small table plate 4 is arranged in desktop frame, the back side of desktop frame is provided with can the myopia prevention elevating lever 5 of automatic lifting, and myopia prevention elevating lever 5 stretches out the chest position being against children.
Described Anti-myopia chair includes chair base 6, and described chair base 6 is provided with adjustable for height seat 7 by lift cylinder.
The rotated down being positioned at desktop frame between left and right table leg 1,2 is provided with power transmission shaft 8; Described left and right table leg 1,2 has included table leg base 1-1, table leg base 1-1 is all fixed with the support arm 1-2 of hollow, the inner support 1-3 of hollow is all sliding combined with in support arm 1-2, all be provided with screw riser 1-4 in inner support 1-3, the top of screw riser 1-4 is all provided with gearbox 1-5; Power transmission shaft 8 two ends respectively plug-in mounting enter in the input hole of corresponding gearbox; Left table leg 1 is provided with table leg motor 1-6, on the output shaft of table leg motor 1-6, fixed cover is equipped with driving gear 1-7, and on described power transmission shaft 8, fixed cover is equipped with the driven gear 1-8 with driving gear 1-7 engaged transmission.
The rotated down being positioned at small table plate bottom desktop frame is provided with lifting support axle 4-1, the two ends of lifting support axle 4-1 are installed with left and right connecting rod rack 4-2,4-3 respectively, and the top of left and right connecting rod 4-2,4-3 support is arranged on the left and right sides of small table plate 4 movable end respectively; Left and right driven gear 4-4,4-5 are equipped with in the two ends of described lifting support axle 4-1 respectively fixed cover, and the back of desktop frame is provided with and controls to rotate by small table plate motor 4-8 with left driven gear 4-4, chaindriven left driving gear 4-6, left driving gear 4-6.
The both sides being positioned at small table plate 4 bottom desktop frame are separately installed with drawer 4-9.
Myopia prevention elevating lever 5 includes push rod overcoat 5-1 and is rotatably installed in the angle adjustment slide plate 5-2 at the desktop frame back side, angle adjustment slide plate 5-2 has longitudinal bar-shaped trough 5-3, the rear end of push rod overcoat 5-1 is slidably mounted in bar-shaped trough 5-3, and the front end of push rod overcoat 5-1 is hinged in desktop frame; In push rod overcoat 5-1, slide-and-guide is combined with the push rod 5-4 of hollow; The rear portion of push rod overcoat 5-1 is provided with the elevating lever motor 5-5 and elevating lever gearbox 5-6 that are in transmission connection, the output shaft of elevating lever gearbox 5-6 is fixedly connected with the screw rod 5-7 of spinning at push rod 5-4 rear portion; It is outer and be installed with myopia prevention baffle 5-8 that push rod 5-4 stretches out front end push rod overcoat 5-1, and push rod 5-4 stretches out the chest position that rear myopia prevention baffle 5-8 is against children.
Seat 7 includes chair framework 7-1, cushion 7-2 and back cushion 7-3, and chair framework 7-1 includes the back bracket 7-5 of skeleton base 7-4 and L-type, and the horizontal part of back bracket 7-5 is coordinated with being led by slide between skeleton base 7-4; The vertical portion inner slide of described back bracket 7-5 is combined with slide plate 7-6, slide plate 7-6 has longitudinal guide groove, one side end face of guide groove is provided with a toothrow groove 7-7, the vertical portion of described back bracket 7-5 is provided with control handle 7-8 by torsion spring, the inner of control handle 7-8 is stretched in guide groove and fixed cover is equipped with latch 7-9, and latch 7-9 pours in corresponding teeth groove 7-7 and slide plate 7-6 is clamped location under torsion spring effect; Described cushion 7-2 is arranged on skeleton base 7-4, and back cushion 7-3 is arranged on described slide plate 7-6.
The vertical portion of back bracket 7-5 has gathering sill, and the described slide plate 7-6 back side is provided with the axis of guide, and the axis of guide inserts in corresponding gathering sill; On the end face of described skeleton base, the position of corresponding lift cylinder piston rod is fixed with safe transverse slat 7-10; The horizontal part of back bracket 7-5 is coordinated with being led by two slide between skeleton base 7-4.
Chair base 6 includes firm banking 6-1, and firm banking 6-1 is provided with guide post 6-2 by guide bearing; Firm banking 6-1 is sliding combined with mobile base 6-3 by guide post 6-2, and mobile base 6-3 central upper is provided with the reinforcement cover be enclosed within outside lift cylinder; The front end of described guide post 6-2 is fixed on the bottom of myopia-preventing desk.
The front end of mobile base 6-3 is provided with tread mechanism 9; Tread mechanism 9 includes pedal base 9-1, and pedal base 9-1 is rotatablely equipped with pedal 9-2; Pedal base 9-1 rear portion is provided with the back-moving spring 9-3 vertically placed, and back-moving spring 9-3 top withstands on the back side of pedal 9-2; Two limit switch 9-4 are installed inside the collateral plate on the right side of pedal base 9-1.
Desktop of the present utility model can also be installed desk lamp 10, book reading plate 11, camera 12 and microphone.By network, the head of a family can get in touch with child whenever and wherever possible, and can observe the real-time state of child.
Claims (9)
1. children's full-automatic myopia tables and chairs, is characterized in that: include myopia-preventing desk and Anti-myopia chair;
Described myopia-preventing desk includes can the left and right table leg of synchronization lifting, between left and right table leg, desktop frame is installed, desktop frame is provided with desktop, being provided with in the middle of described desktop can the small table plate of automatic lifting, the rear portion of small table plate is arranged in desktop frame, the back side of desktop frame is provided with can the myopia prevention elevating lever of automatic lifting, and myopia prevention elevating lever stretches out the chest position being against children;
Described Anti-myopia chair includes chair base, and described chair base is provided with adjustable for height seat by lift cylinder.
2. a kind of children's full-automatic myopia tables and chairs according to claim 1, is characterized in that: the rotated down being positioned at desktop frame between left and right table leg is provided with power transmission shaft; Described left and right table leg has included table leg base, table leg base is all fixed with the support arm of hollow, is all sliding combined with the inner support of hollow, is all provided with screw riser in inner support in support arm, and the top of screw riser is all provided with gearbox; Power transmission shaft two ends respectively plug-in mounting enter in the input hole of corresponding gearbox; Left or right table leg is provided with table leg motor, on the output shaft of table leg motor, fixed cover is equipped with driving gear, and on described power transmission shaft, fixed cover is equipped with the driven gear with driving gear engaged transmission.
3. a kind of children's full-automatic myopia tables and chairs according to claim 1, it is characterized in that: the rotated down being positioned at small table plate bottom described desktop frame is provided with lifting support axle, the two ends of lifting support axle are installed with left and right connecting rod rack respectively, and the top of left and right connecting rod rack is arranged on the left and right sides of small table plate movable end respectively; Left and right driven gear is equipped with at the two ends of described lifting support axle respectively fixed cover, and the back of desktop frame is provided with the chaindriven left driving gear with left driven gear, and left driving gear is rotated by small table plate Electric Machine Control.
4. a kind of children's full-automatic myopia tables and chairs according to claim 1, is characterized in that: the both sides being positioned at small table plate bottom described desktop frame are separately installed with drawer.
5. a kind of children's full-automatic myopia tables and chairs according to claim 1, it is characterized in that: described myopia prevention elevating lever includes push rod overcoat and is rotatably installed in the angle adjustment slide plate at the desktop frame back side, angle adjustment slide plate has longitudinal bar-shaped trough, the rear end of push rod overcoat is slidably mounted in bar-shaped trough, and the front end of push rod overcoat is hinged in desktop frame; In push rod overcoat, slide-and-guide is combined with the push rod of hollow; The rear portion of push rod overcoat is provided with the elevating lever motor and elevating lever gearbox that are in transmission connection, the output shaft of elevating lever gearbox is fixedly connected with the screw rod of spinning at push rod rear portion; It is outer and be installed with myopia prevention baffle that push rod overcoat is stretched out in push rod front end, and push rod stretches out the chest position that rear myopia prevention baffle is against children.
6. a kind of children's full-automatic myopia tables and chairs according to claim 1, it is characterized in that: described seat includes chair framework, cushion and back cushion, chair framework includes the back bracket of skeleton base and L-type, and the horizontal part of back bracket is coordinated with being led by slide between skeleton base; The vertical portion inner slide of described back bracket is combined with slide plate, slide plate has longitudinal guide groove, one side end face of guide groove is provided with a toothrow groove, the vertical portion of described back bracket is provided with control handle by torsion spring, the inner of control handle is stretched in guide groove and fixed cover is equipped with latch, and latch is poured into slide plate clamping location in corresponding teeth groove under torsion spring effect; Described cushion is arranged on skeleton base, and back cushion is arranged on described slide plate.
7. a kind of children's full-automatic myopia tables and chairs according to claim 6, it is characterized in that: the vertical portion of described back bracket has gathering sill, the described slide plate back side is provided with the axis of guide, and the axis of guide inserts in corresponding gathering sill; On the end face of described skeleton base, the position of corresponding lift cylinder piston rod is fixed with safe transverse slat; The horizontal part of back bracket is coordinated with being led by two slide between skeleton base.
8. a kind of children's full-automatic myopia tables and chairs according to claim 1, is characterized in that: described chair base includes firm banking, and firm banking is provided with guide post by guide bearing; Firm banking is sliding combined with mobile base by guide post, and mobile base central upper is provided with the reinforcement cover be enclosed within outside lift cylinder; The front end of described guide post is fixed on the bottom of myopia-preventing desk.
9. a kind of children's full-automatic myopia tables and chairs according to claim 1, is characterized in that: the front end of described mobile base is provided with tread mechanism; Tread mechanism includes pedal base, and pedal base is rotatablely equipped with pedal; Pedal base rear portion is provided with the back-moving spring vertically placed, and back-moving spring top withstands on the back side of pedal; Two limit switches are installed inside the collateral plate on the right side of pedal base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823788.1U CN204306397U (en) | 2014-12-22 | 2014-12-22 | A kind of children's full-automatic myopia tables and chairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823788.1U CN204306397U (en) | 2014-12-22 | 2014-12-22 | A kind of children's full-automatic myopia tables and chairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204306397U true CN204306397U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420823788.1U Withdrawn - After Issue CN204306397U (en) | 2014-12-22 | 2014-12-22 | A kind of children's full-automatic myopia tables and chairs |
Country Status (1)
| Country | Link |
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| CN (1) | CN204306397U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104473469A (en) * | 2014-12-22 | 2015-04-01 | 朱景超 | Fully automatic myopia prevention desk and chair for child |
| CN105768631A (en) * | 2016-04-25 | 2016-07-20 | 朱景超 | Learning desk and chair capable of preventing myopia and humpback |
| CN107713378A (en) * | 2017-11-24 | 2018-02-23 | 东莞市博士有成家具有限公司 | Full-automatic study table |
| CN108835960A (en) * | 2018-07-23 | 2018-11-20 | 周恒� | A kind of Contiuum type desk for correcting sitting posture chair |
| CN109043819A (en) * | 2018-09-30 | 2018-12-21 | 邹福懿 | A kind of desk facilitating rest |
| CN109513182A (en) * | 2018-12-06 | 2019-03-26 | 常州市钱璟康复股份有限公司 | A kind of activity of daily living training table |
-
2014
- 2014-12-22 CN CN201420823788.1U patent/CN204306397U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104473469A (en) * | 2014-12-22 | 2015-04-01 | 朱景超 | Fully automatic myopia prevention desk and chair for child |
| CN105768631A (en) * | 2016-04-25 | 2016-07-20 | 朱景超 | Learning desk and chair capable of preventing myopia and humpback |
| CN107713378A (en) * | 2017-11-24 | 2018-02-23 | 东莞市博士有成家具有限公司 | Full-automatic study table |
| CN108835960A (en) * | 2018-07-23 | 2018-11-20 | 周恒� | A kind of Contiuum type desk for correcting sitting posture chair |
| CN109043819A (en) * | 2018-09-30 | 2018-12-21 | 邹福懿 | A kind of desk facilitating rest |
| CN109513182A (en) * | 2018-12-06 | 2019-03-26 | 常州市钱璟康复股份有限公司 | A kind of activity of daily living training table |
| CN109513182B (en) * | 2018-12-06 | 2023-10-27 | 常州市钱璟康复股份有限公司 | Daily life ability training table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150506 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |