CN208892090U - A kind of visual training table can be relieved visual fatigue - Google Patents

Abstract

The utility model relates to children's health family product technical fields, specifically, being related to a kind of visual training table that can be relieved visual fatigue.Including table leg, desktop and bookshelf；The table leg includes the left table leg and right table leg that can carry out lift adjustment simultaneously；The desktop includes that sighting distance adjusts desktop and fixed desktop, and the fixed desktop is located at the rear side that sighting distance adjusts desktop, and left and right ends bottom is respectively and fixedly installed to the top of left table leg, right table leg；The bottom of the bookshelf is securely fitted on the top surface of fixed desktop, and the bookend for being adjustable tilt angle is equipped on the bookshelf.The utility model had both had the function of common desk for children; children can be made to carry out visual training when desk is done the homework again; its fine sight is set to be in variation; to alleviate asthenopia and the variation of self-control ciliary muscle; guarantee normal visual acuity operating; achieve the purpose that children improve eyesight and protect healthy eyesight, there is good Social benefit and economic benefit.

Description

A kind of visual training table can be relieved visual fatigue

Technical field

The utility model relates to children's health family product technical fields, specifically, being related to one kind can be relieved visual fatigue Visual training table.

Background technique

It is numerous for the product of child growth care in children's health family product and study article field, Er Tongxue Practise table, desk and chair is one type.Children for example do one's assignment during study, and this tables and chairs product has also played certain effect, But to the training function of children's vision health without apparent exclusive application.Since nearly half a century, children's vision health is One very important research topic protects eyesight for how to take good care of children in developmental process, and even more insider chases after Seek target.According to ergonomics and the fine physical-fitness medicine of eye in relation to theory and studies have shown that in same place in certain time period Interior, the eye of children is fine, which to watch object attentively, to immobilize, otherwise asthenopia easy to form, and long is then easy myopia or damage Eyelash human body.Children how are utilized to realize the protection to eyesight, i.e. alleviation asthenopia and self-control ciliary during study Human body, and a kind of habit of health training is formed, it is a problem to be solved.

Utility model content

The purpose of the utility model is to provide a kind of visual training tables that can be relieved visual fatigue, to solve above-mentioned skill Art problem.

To achieve the above object, the technical scheme adopted by the utility model is

A kind of visual training table can be relieved visual fatigue, including table leg, desktop and bookshelf, it is characterised in that: the table leg Left table leg and right table leg including lift adjustment can be carried out simultaneously；The desktop includes that sighting distance adjusts desktop and fixed desktop, institute It states fixed desktop and is located at the rear side that sighting distance adjusts desktop, left and right ends bottom is respectively and fixedly installed to left table leg, right table leg Top；The bottom of the bookshelf is securely fitted on the top surface of fixed desktop, is equipped on the bookshelf and is adjustable tilt angle Bookend.

Furtherly, the left table leg includes left leg support leg, left table leg column and left lifting table frame；The left table leg is vertical The lower end of column is securely fitted in left leg support leg, and the table leg liter for driving left lifting table frame to go up and down is equipped in internal cavities Descending mechanism；The right table leg includes right leg support leg, right table leg column and right lifting table frame；The lower end of the right table leg column is solid Surely it is assemblied in right leg support leg, the table leg elevating mechanism for driving right lifting table frame to go up and down is equipped in internal cavities；Institute It states and is connected with connecting plate between left table leg column and right table leg column；The top of the connecting plate is equipped with rear connecting tube, after described The both ends of connecting tube are fixedly connected with left lifting table frame, right lifting table frame respectively, and in left lifting table frame, right lifting table frame Chamber is connected；It is fixedly connected with preceding connecting tube between the front end of the left lifting table frame and the front end of right lifting table frame, before described The shaft connection component that desktop is adjusted for connecting sighting distance is equipped on front side of connecting tube；

The table leg elevating mechanism includes fixture nut pipe, lead screw and gear-box；The fixture nut pipe is securely fitted in In table leg column, the threads of lead screw is assemblied in fixture nut pipe, and top is fixed with power output bevel gear；The gear Driving gearshaft is equipped in case, fixing assembling has a drive bevel gear on the driving gearshaft, inside the driving gearshaft Equipped with axial more rib through-holes；It is sequentially connected between left and right two table leg elevating mechanisms by interlocking bar, the interlocking bar is more Rib bar connects in tube cavity after being axially set in, and it is logical that both ends are plugged on more ribs inside left and right two driving gearshafts respectively In hole；The power output bevel gear is assemblied in the bottom of gear-box by gear-bearing, and is meshed with drive bevel gear；Its In a table leg elevating mechanism gear-box in by assembling dynamic input bevel gear, the wheel shaft of the power input bevel gear It is fitted in gear-box by power input shaft installation, and is meshed with drive bevel gear；The wheel shaft of the power input bevel gear Interior to be equipped with more rib jacks, which is furnished with power input lever；The power input lever is located in lifting table frame In chamber, inner end is many ribs structure to match with more rib jacks, and lifting table frame is stretched out in outer end, and is equipped with wind.

Furtherly, the left lifting table frame posterior medial and right lifting table frame posterior medial are respectively fixed with joint angle Code, the bottom surface of the fixed desktop left and right ends is securely fitted in connecting corner yard.

Furtherly, the rear side back side that the sighting distance adjusts desktop is equipped with angular adjustment handware and support gas bar, institute It states angular adjustment handware and the other end of gas bar is supported to be connected in rear connecting tube；The sighting distance adjusts the front back side of desktop Be embedded with attaching nut corresponding with shaft connection component position, the shaft connection component by connection bolt with connect spiral shell Parent phase connection.

Furtherly, the sighting distance, which is adjusted, is equipped with arc-shaped recess in the middle part of the front edge of desktop.

Furtherly, one, the rear portion angle position that the sighting distance adjusts desktop is fixed with trained angle demodulator.

Furtherly, the bookshelf includes left side riser, right side riser, intermediate riser shelf, upper connection backboard, lower connection back The lateral laminate of plate, No.1 transverse direction laminate and No. two；The left side riser, right side riser, intermediate riser shelf are parallel to each other, and intermediate perpendicular Plate is between left side riser and right side riser；The upper connection backboard and left side riser, right side riser, intermediate riser shelf back side The top on side is fixedly connected；The lower connection backboard and the lower part of left side riser, right side riser, intermediate riser shelf back side are fixed Connection；The No.1 transverse direction laminate is horizontally disposed, and left and right ends are fixedly connected with left side riser, intermediate riser shelf respectively；It is described No. two lateral laminates are horizontally disposed, and position is lower than No.1 laminate, and left and right ends are fixed with intermediate riser shelf, right side riser respectively Connection；The bookend is mounted in the front side edge of No. two laminates.

Furtherly, the bookend includes bookend main body, linking arm and bookshelf connector；In the back side of the bookend main body The heart is fixed with attachment base；The upper end of the linking arm is hinged by the first connection shaft with attachment base, and lower end connects by second Switch through axis to be hinged with bookshelf connector；The bookshelf connector is connected with No. two laminates.

The utility model has the advantages that compared with prior art, the utility model had not only had the function of common desk for children, but also can make children Visual training is carried out when desk is done the homework, its fine sight is made to be in variation, to alleviate asthenopia and self tune Ciliary muscle variation is saved, guarantees normal visual acuity operating, achievees the purpose that children improve eyesight and protect healthy eyesight, has good Social benefit and economic benefit.

Detailed description of the invention

Fig. 1 is the application schematic diagram that the utility model carries out children's vision training；

Fig. 2 is the structural schematic diagram of table leg described in the utility model；

Fig. 3 is the schematic illustration of table leg elevating mechanism described in the utility model；

Fig. 4 is the overlooking structure diagram of table leg elevating mechanism described in the utility model；

Fig. 5 is the structural schematic diagram of book slide embodiment described in the utility model；

Fig. 6 is the structural schematic diagram that sighting distance described in the utility model adjusts desktop；

Fig. 7 is the structural schematic diagram of bookend described in the utility model.

Specific embodiment

The utility model is further described in the following with reference to the drawings and specific embodiments.

Referring to Fig.1, the visual training table described in the utility model that can be relieved visual fatigue, including table leg 1, desktop and bookshelf 4. The table leg includes the left table leg and right table leg that can carry out lift adjustment simultaneously；The desktop includes that sighting distance adjusts desktop 21 and consolidates Determine desktop 6, the fixed desktop 6 is located at the rear side that sighting distance adjusts desktop 21, and left and right ends bottom is respectively and fixedly installed to a left side The top of table leg, right table leg；The bottom of the bookshelf 4 is securely fitted on the top surface of fixed desktop 6, is installed on the bookshelf 4 There is the bookend 3 for being adjustable tilt angle.

As shown in Fig. 2, the left table leg includes left leg support leg 11A, left table leg column 11B and left lifting table frame 11C；Institute The lower end for stating left table leg column 11B is securely fitted on left leg support leg 11A, is equipped in internal cavities for driving left lifting The table leg elevating mechanism of table frame 11C lifting；The right table leg includes right leg support leg 12A, right table leg column 12B and right same table Frame 12C；The lower end of the right table leg column 12B is securely fitted on right leg support leg 12A, is equipped in internal cavities for driving Move the table leg elevating mechanism of right lifting table frame 12C lifting；It is connected between the left table leg column 11B and right table leg column 12B Connecting plate 15；The top of the connecting plate 15 be equipped with rear connecting tube 14, it is described after connecting tube 14 both ends respectively with left same table Frame 11C, right lifting table frame 12C are fixedly connected, and are connected with the inner cavity of left lifting table frame 11C, right lifting table frame 12C；It is described Connecting tube 13 before being fixedly connected between the front end of left lifting table frame 11C and the front end of right lifting table frame 12C, the preceding connecting tube 13 front side is equipped with the shaft connection component 13A that desktop 21 is adjusted for connecting sighting distance.

As shown in Figure 3, Figure 4, the table leg elevating mechanism includes fixture nut pipe 17H, lead screw 17G and gear-box 17C；Institute It states fixture nut pipe 17H to be securely fitted in table leg column, the lead screw 17G Screw assembly is in fixture nut pipe 17H, top End is fixed with power output bevel gear 17N；Driving gearshaft 17F, the driving gearshaft are equipped in the gear-box 17C The upper fixing assembling of 17F has drive bevel gear 17D, is equipped with axial more rib through-holes inside the driving gearshaft 17F；Left and right two It is sequentially connected between a table leg elevating mechanism by interlocking bar 17L, the interlocking bar 17L is polygon rod, is connected after being axially set in In 14 inner cavity of adapter tube, both ends are plugged on respectively in more rib through-holes inside left and right two driving gearshaft 17F；The power Output bevel gear 17N is assemblied in the bottom of gear-box 17C by gear-bearing, and is meshed with drive bevel gear 17D；Wherein one By assembling dynamic input bevel gear, the wheel of the power input bevel gear 17E in the gear-box 17C of a table leg elevating mechanism Axis holds 17M by power input shaft and is assemblied in gear-box 17C, and is meshed with drive bevel gear 17D；The power inputs umbrella More rib jacks are equipped in the wheel shaft of gear 17E, which is furnished with power input lever 17B；The power input Bar 17B is located in lifting table frame inner cavity, and inner end is many ribs structure to match with more rib jacks, and same table is stretched out in outer end Frame, and it is equipped with wind 17A, as shown in Figure 2.

Rotary handle crank 17A drives power input bevel gear 17E, power input bevel gear by power input lever 17B 17E drives drive bevel gear 17D, drive bevel gear 17D while transfer motion power output bevel gear 17N and interlocking bar 17L；Power is defeated Bevel gear 17N drives lead screw 17G rotation out, and interlocking bar 17L drives the drive bevel gear in another gear-box, by the transmission umbrella The corresponding power output bevel gear of gear drive, so drive another lead screw simultaneously, rotate in same direction, two gear-boxes are simultaneously Rise or fall, to finally realize left lifting table frame 11C, right lifting table frame 12C while rise or fall, complete to desktop, The adjusting of table frame height.

The left lifting table frame 11C posterior medial and right lifting table frame 12C posterior medial are respectively fixed with connecting corner yard 16, The bottom surface of 6 left and right ends of fixed desktop is securely fitted in connecting corner yard 16.

As shown in fig. 6, the rear side back side that the sighting distance adjusts desktop 21 is equipped with angular adjustment handware 24 and support gas (the angular adjustment handware 24 and support gas bar 25 are the furniture hardware fitting of the general sale in market to bar 25, are not made herein in detail Thin statement), the other end of the angular adjustment handware 24 and support gas bar 25 is connected in rear connecting tube 14.From far from body The table side edge pull-up sighting distance on one side adjusts desktop 21, and angular adjustment handware 24 is under hinge connection function with sighting distance desk with adjustable The angle change of plate 21 moves forward and backward；Meanwhile supporting gas bar 25 under hinge connection function as sighting distance adjusts desktop 21 Angle change plays the role of that sighting distance is supported to adjust 21 weight of desktop.

The front back side that the sighting distance adjusts desktop 21 is embedded with connection spiral shell corresponding with the shaft position connection component 13A Mother, the shaft connection component 13A are connected by connection bolt with attaching nut.

The sighting distance, which is adjusted, is equipped with arc-shaped recess 23 in the middle part of the front edge of desktop 21.The width of arc-shaped recess 23 is big Wide in the body of children, the depth of arc-shaped recess 23 is 1/3 or more of children's torso thickness, to can guarantee that children do the homework When body be moved forward and backward certain distance or comfortable or be adjacent to.

One, the rear portion angle position that the sighting distance adjusts desktop 21 is fixed with trained angle demodulator 22.The trained angle Degree adjuster 22 patented number for ZL201520183740.3 utility model patent licensed utilization, structure and Details are not described herein for working principle.

As shown in figure 5, the bookshelf 4 include left side riser 41, right side riser 45, intermediate riser shelf 43, upper connection backboard 44, The lateral laminate 46 of lower connection backboard 47, No.1 transverse direction laminate 42 and No. two；The left side riser 41, right side riser 45, centre are perpendicular Plate 43 is parallel to each other, and (preferred embodiment is intermediate riser shelf 43 to intermediate riser shelf 43 between left side riser 41 and right side riser 45 Positioned at the position close to left side riser 41).The upper connection backboard 44 and left side riser 41, right side riser 45, intermediate riser shelf 43 The top of back side is fixedly connected；The lower connection backboard and left side riser 41, right side riser 45,43 back side of intermediate riser shelf The lower part on side is fixedly connected；The No.1 transverse direction laminate 42 is horizontally disposed, and left and right ends are perpendicular with left side riser 41, centre respectively Plate 43 is fixedly connected；Described No. two lateral laminates 46 are horizontally disposed, and position is lower than No.1 transverse direction laminate 42, left and right ends point It is not fixedly connected with intermediate riser shelf 43, right side riser 45；The bookend 3 is mounted in the front side edge of No. two lateral laminates 46.

As shown in fig. 7, the bookend 3 includes bookend main body 31, linking arm 34 and bookshelf connector 35；The bookend main body 31 back center is fixed with attachment base 32；The upper end of the linking arm 34 is hinged by the first connection shaft 33 and attachment base 32 It connects, lower end is hinged by the second connection shaft 36 with bookshelf connector 35；The bookshelf connector 35 and No. two lateral laminates 46 are connected.Angle between the bookshelf connector 35 and linking arm 34 can be adjusted within the scope of 0 ° -16 °；The linking arm Angle between 34 and bookend main body 31 can be adjusted within the scope of 0 ° -180 °.

When children need to be trained sight protectio and vision health during doing the homework, pass through rotation hand first Rocking handle 17A is by desktop, table frame lifting/lowering to proper height；Secondly, adjusting table of the desktop 21 far from body one side with sighting distance has been pulled Edges of boards edge, angular adjustment handware 24 move before and after making under hinge connection function with the angle change that sighting distance adjusts desktop 21 It is dynamic, meanwhile, support gas bar 25 under hinge connection function as the angle change that sighting distance adjusts desktop 21 supports sighting distance desk with adjustable The weight of plate 21, when away from 21 pull-up of desktop inclination is adjusted, training angle demodulator 22 is shown as just stopping at 12 degree；Then, it adjusts The inclination angle of whole bookend makes to form 118 ° of angle between sighting distance adjusting desktop 21 and bookend main body 31；Then, seat height is tested, is surveyed Children's torso should be tightly attached to away from the arc-shaped recess 23 for adjusting 21 front end of desktop when examination, and the difference of table height and seat height is to guarantee to hold in the palm elbow Comfortable is qualified.

After completing above-mentioned use operation, when children copy operation, eye is fine to be write against away from the homework book adjusted on desktop 21 Homework book on operation, the fine sight of eye and desktop forms homework book sight angle V1 and homework book sighting distance 51；When the fine opposite book of eye When textbook on folder is watched, the textbook in the fine sight of eye and bookend forms textbook sight angle V2 and textbook sighting distance is 52.This reality Realizing textbook sighting distance with the structure design of the novel training table is 52 greater than homework book sighting distance 51, and textbook sight angle V2 is big In homework book sight angle V1, i.e. the fine sight variation angle of eye is between 25-40 degree.The switching of this long short sight distance changes and view The small range at wire clamp angle switches variation, and the fine sight of the eye of children is made to be in variation, to alleviate asthenopia and self tune Ciliary muscle variation is saved, guarantees normal visual acuity operating, achievees the purpose that children improve eyesight and protect healthy eyesight.

The basic principles and main features and technical effect of the utility model have been shown and described above.Those skilled in the art Member only illustrates that this is practical new it should be appreciated that the present utility model is not limited to the above embodiments, described in above-described embodiment The principle of type, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various changes and improvements, These various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope is wanted by right Ask book and its equivalent thereof.

Claims (8)

1. a kind of visual training table that can be relieved visual fatigue, including table leg (1), desktop and bookshelf (4), it is characterised in that: described Table leg includes the left table leg and right table leg that can carry out lift adjustment simultaneously；The desktop includes that sighting distance adjusts desktop (21) and fixes Desktop (6), the fixed desktop (6) are located at the rear side that sighting distance adjusts desktop (21), and left and right ends bottom is fixedly mounted respectively In left table leg, the top of right table leg；The bottom of the bookshelf (4) is securely fitted on the top surface of fixed desktop (6), the bookshelf (4) bookend (3) for being adjustable tilt angle is installed on.

2. can be relieved the visual training table of visual fatigue according to claim 1, it is characterised in that: the left table leg includes left leg Support leg (11A), left table leg column (11B) and left lifting table frame (11C)；The fixed dress in the lower end of the left table leg column (11B) It fits on left leg support leg (11A), the table leg elevator for driving left lifting table frame (11C) to go up and down is equipped in internal cavities Structure；The right table leg includes right leg support leg (12A), right table leg column (12B) and right lifting table frame (12C)；The right table leg The lower end of column (12B) is securely fitted on right leg support leg (12A), is equipped in internal cavities for driving right lifting table frame The table leg elevating mechanism of (12C) lifting；Connecting plate is connected between the left table leg column (11B) and right table leg column (12B) (15)；The top of the connecting plate (15) be equipped with rear connecting tube (14), it is described after connecting tube (14) both ends respectively with left lifting Table frame (11C), right lifting table frame (12C) are fixedly connected, and the inner cavity phase with left lifting table frame (11C), right lifting table frame (12C) Connection；Preceding connecting tube is fixedly connected between the front end of left lifting table frame (11C) and the front end of right lifting table frame (12C) (13), the shaft connection component (13A) that desktop (21) are adjusted for connecting sighting distance is equipped on front side of the preceding connecting tube (13)；

The table leg elevating mechanism includes fixture nut pipe (17H), lead screw (17G) and gear-box (17C)；The fixture nut pipe (17H) is securely fitted in table leg column, and lead screw (17G) Screw assembly in fixture nut pipe (17H), fix by top Dynamic output bevel gear (17N)；Driving gearshaft (17F), the driving gearshaft are equipped in the gear-box (17C) There is drive bevel gear (17D) fixing assembling on (17F), axial more rib through-holes are equipped with inside the driving gearshaft (17F)； It is sequentially connected between left and right two table leg elevating mechanisms by interlocking bar (17L), the interlocking bar (17L) is polygon rod, axial It is set in rear connecting tube (14) inner cavity, it is logical that both ends are plugged on the internal more ribs of left and right two driving gearshafts (17F) respectively In hole；The power output bevel gear (17N) is assemblied in the bottom of gear-box (17C) by gear-bearing, and with transmission umbrella tooth Wheel (17D) is meshed；By assembling dynamic input bevel gear, institute in the gear-box (17C) of one of table leg elevating mechanism State the wheel shaft of power input bevel gear (17E) (17M) held by power input shaft and be assemblied in gear-box (17C), and with transmission Bevel gear (17D) is meshed；More rib jacks, more rib jack interpolations are equipped in the wheel shaft of the power input bevel gear (17E) Tipping is furnished with power input lever (17B)；The power input lever (17B) is located in lifting table frame inner cavity, and inner end is and more ribs The many ribs structure that jack matches, lifting table frame is stretched out in outer end, and is equipped with wind (17A).

3. can be relieved the visual training table of visual fatigue according to claim 2, it is characterised in that: the left lifting table frame (11C) posterior medial and right lifting table frame (12C) posterior medial are respectively fixed with connecting corner yard (16), the fixed desktop (6) The bottom surface of left and right ends is securely fitted on connecting corner yard (16).

4. can be relieved the visual training table of visual fatigue according to claim 2, it is characterised in that: the sighting distance adjusts desktop (21) the rear side back side be equipped with angular adjustment handware (24) and support gas bar (25), the angular adjustment handware (24) and The other end of support gas bar (25) is connected on rear connecting tube (14)；The front back side that the sighting distance adjusts desktop (21) is embedded with Attaching nut corresponding with the shaft connection component position (13A), the shaft connection component (13A) pass through connection bolt and company Connected nut is connected.

5. can be relieved the visual training table of visual fatigue according to claim 4, it is characterised in that: the sighting distance adjusts desktop (21) arc-shaped recess (23) are equipped in the middle part of front edge.

6. can be relieved the visual training table of visual fatigue according to claim 4, it is characterised in that: the sighting distance adjusts desktop (21) one, rear portion angle position is fixed with trained angle demodulator (22).

7. can be relieved the visual training table of visual fatigue according to claim 1 or described in 4, it is characterised in that: the bookshelf (4) includes Left side riser (41), right side riser (45), intermediate riser shelf (43), upper connection backboard (44), lower connection backboard (47), No.1 are lateral Laminate (42) and No. two lateral laminates (46)；The left side riser (41), right side riser (45), intermediate riser shelf (43) are mutually flat Row, and intermediate riser shelf (43) is located between left side riser (41) and right side riser (45)；The upper connection backboard (44) and left side Riser (41), right side riser (45), intermediate riser shelf (43) back side top be fixedly connected；The lower connection backboard and left side Riser (41), right side riser (45), intermediate riser shelf (43) back side lower part be fixedly connected；The No.1 transverse direction laminate (42) Horizontally disposed, left and right ends are fixedly connected with left side riser (41), intermediate riser shelf (43) respectively；Described No. two lateral laminates (46) be horizontally disposed with, and position be lower than No.1 transverse direction laminate (42), left and right ends respectively with intermediate riser shelf (43), right side riser (45) it is fixedly connected；The bookend (3) is mounted in the front side edge of No. two lateral laminates (46).

8. can be relieved the visual training table of visual fatigue according to claim 7, it is characterised in that: the bookend (3) includes book Clip main body (31), linking arm (34) and bookshelf connector (35)；The back center of the bookend main body (31) is fixed with attachment base (32)；The upper end of the linking arm (34) is hinged by the first connection shaft (33) with attachment base (32), and lower end passes through second Connection shaft (36) is hinged with bookshelf connector (35)；The bookshelf connector (35) is connected with No. two lateral laminates (46) It connects.