Reading desk capable of preventing myopia

Abstract

The utility model discloses a myopia-preventing reading desk, which belongs to the technical field of learning auxiliary articles and comprises a bottom plate, a movable plate is hinged to the upper surface of the bottom plate, a support frame is fixedly mounted at the top of the movable plate, a movable rod is fixedly mounted at the bottom of the bottom plate, and a fixed rod is slidably mounted on the lower portion of the movable rod. Positioning holes are formed in the surfaces of the fixed rod and the movable rod, and a reinforcing part is fixedly mounted on the rear side surface of the fixed rod. The inclination angle of the desk top can be adjusted at will through the air cylinder telescopic rod, the reading desk can be used for various ways such as reading and drawing, the eye protection lamp moves along with the lifting angle of the desk top through the supporting frame, the eye protection lamp vertically and downwards irradiates the upper portion of the desk top all the time, and the influence of dazzling light on sight during reading is reduced through the light shield. The positions of the movable rods and the fixed rods can be adjusted through the positioning holes and the limiting bolts, the height of the desktop is changed, and the utilization rate and the service life of the desk are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to learning auxiliary material technical field, concretely is a prevent myopia reading desk. BACKGROUND

[0002] The pupil period is the key period of eyeball development, if this period is long and close eye, or the pupil is incorrect when learning, will lead to eye fatigue, thereby make the regulation sensitivity of eye decline or lag, and further cause the growth of eye axis, lead to the occurrence of myopia, but because the present stage pupil study pressure is bigger, myopia has become the common eye problem of contemporary pupil.

[0003] In order to reduce the incidence of myopia, slow down the development speed of myopia, many schools and families will give students to assemble the reading desk of preventing myopia, and the reading desk usually utilizes the principle of best visual horizon depression angle to prevent myopia, and the best visual horizon depression angle is to keep the eye most comfortable viewing angle when writing, reading and working, and is to take the eye forward 90 degrees as the standard and incline 15-40 degrees, and this angle can greatly extend the eye time of people, and also can improve the efficiency of reading.

[0004] However, the present stage reading desk of preventing myopia usually only has the part of desktop can be inclined and lifted, and in the case of fixed light, the inclined desktop will cause the reading light to be blocked, and the joint of the inclined part of desktop and the original desktop will exist the joint, and lead to the problems such as the whole desktop is uneven. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the defects in the prior art and provides a reading desk for preventing myopia.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A reading desk for preventing myopia, including the bottom plate, the upper surface of the bottom plate is hinged with the movable plate, the top of the movable plate is fixedly installed with the support frame, the eye protection lamp is arranged between the two support frames, the upper surface of the bottom plate is hinged with the pneumatic rod, the bottom of the bottom plate is fixedly installed with the movable rod, the lower part of the movable rod is slidably installed with the fixed rod, the surface of the fixed rod and the movable rod is all provided with the positioning hole, and the rear surface of the fixed rod is fixedly installed with the reinforcing part.

[0008] Further, the upper surface of the bottom plate is provided with the storage groove, the inner bottom surface of the storage groove is rotatably installed with the mounting part at both ends, the top of the mounting part is hinged with the tail end of the pneumatic rod, the other end of the pneumatic rod is fixedly installed with the positioning part, and the maximum diameter of the pneumatic rod is less than the depth of the storage groove.

[0009] Further, the bottom surface of the movable plate is provided with two butt joints, two positioning members correspond to the two butt joints respectively, and the positioning members are inserted into the butt joints, the bottom plate and the front side edge of the movable plate are hinged, the front side edge of the bottom plate and the movable plate are provided with arc-shaped limiting grooves, the rear side edge of the movable plate is fixedly installed with a handle, and the size and shape of the bottom plate and the movable plate are consistent.

[0010] Further, the two support frames are perpendicular to the upper surface of the movable plate, the two ends of the eye protection lamp are rotationally connected with the two support frames respectively, the eye protection lamp is electrically connected with an external power supply, and the upper portion of the eye protection lamp is fixedly installed with a light shield.

[0011] Further, the bottom plate is fixedly installed with connecting frames on the two sides of the lower surface, the connecting frames are fixedly connected with the top portions of the two movable rods respectively, a plurality of positioning holes are uniformly distributed along the outer surface of the movable rod, the positioning holes of the fixed rod are screw-connected with limiting pins, the limiting pins are also screw-connected with the positioning holes of the movable rod, and the limiting pins penetrate through the fixed rod along the positioning holes.

[0012] Further, the inner side surface of the reinforcing member is provided with a reserved hole, the tail end of the limiting pin is screw-connected with the inner surface of the reserved hole, and the outer surface of the movable rod is slidingly connected with the inner side surface of the fixed rod.

[0013] Further, the lower portion of the fixed rod is fixedly installed with a stabilizing frame, the upper surface of the stabilizing frame is fixedly installed with a reinforcing rib, and the tail end of the reinforcing rib is fixedly connected with the outer side surface of the fixed rod.

[0014] Compared with the prior art, the book desk has the following beneficial effects:

[0015] 1. The desktop can be integrally inclined and lifted, the joint seams on the desktop surface do not affect the flatness and integrity of the desktop, the inclination angle of the desktop can be adjusted at will by using the cylinder extension rod, and the reading desk can be used for reading and drawing and the like.

[0016] 2. The support frame moves the eye protection lamp along with the lifting angle of the desktop, the eye protection lamp always vertically irradiates above the desktop, the stability of the reading light source is maintained, the light shield is used to reduce the influence of light glare on the line of sight during reading.

[0017] 3. The position of the movable rod and the fixed rod can be adjusted by the positioning hole and the limiting pin, the height of the desktop is changed, the desk can adapt to students or adults of different heights and ages, and the utilization rate and service life of the desk are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0019] Fig. 1 It is a schematic view of the overall structure of the present application;

[0020] Fig. 2 It is a schematic view of the rear structure of the present application;

[0021] Fig. 3 It is a schematic view of the local enlarged structure of the storage groove of the present application;

[0022] In the figure: 1, bottom plate; 2, movable plate; 3, support frame; 4, eye protection lamp; 5, handle; 6, limiting groove; 7, stabilizing frame; 8, reinforcing rib; 9, fixed rod; 10, movable rod; 11, limiting bolt; 12, positioning hole; 13, reinforcing member; 14, connecting frame; 15, storage groove; 16, butt joint hole; 17, mounting member; 18, pneumatic rod; 19, positioning member. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application;

[0024] Referring to Figs. 1-3 A myopia-preventing reading desk, comprising a bottom plate 1, the upper surface of the bottom plate 1 is hingedly connected with a movable plate 2, the top of the movable plate 2 is fixedly installed with a support frame 3, two support frames 3 are provided with an eye protection lamp 4, the upper surface of the bottom plate 1 is hingedly connected with a pneumatic rod 18, the bottom of the bottom plate 1 is fixedly installed with a movable rod 10, the lower part of the movable rod 10 is slidingly installed with a fixed rod 9, the surfaces of the fixed rod 9 and the movable rod 10 are both provided with positioning holes 12, and the rear surface of the fixed rod 9 is fixedly installed with a reinforcing member 13.

[0025] The upper surface of the bottom plate 1 is provided with a storage groove 15, the inner bottom surface of the storage groove 15 is rotatably installed with mounting members 17 at both ends, the top of the mounting member 17 is hingedly connected with the end of the pneumatic rod 18, the other end of the pneumatic rod 18 is fixedly installed with a positioning member 19, the maximum diameter of the pneumatic rod 18 is less than the depth of the storage groove 15, when the pneumatic rod 18 is horizontally placed, it can be completely stored in the storage groove 15, at this time, the movable plate 2 can be horizontally placed, and the upper surface of the bottom plate 1 is in contact with the lower surface of the movable plate 2.

[0026] The bottom surface of the movable plate 2 is provided with two butt joints 16, two positioning members 19 correspond to the two butt joints 16 respectively, and the positioning member 19 is inserted into the butt joint 16, the front side edges of the bottom plate 1 and the movable plate 2 are hinged, the front side edges of the bottom plate 1 and the movable plate 2 are both provided with arc-shaped limiting grooves 6, the rear side edge of the movable plate 2 is fixedly installed with a handle 5, the size and shape of the bottom plate 1 and the movable plate 2 are consistent, the handle 5 is lifted upward to lift the movable plate 2, the positioning member 19 is inserted into the butt joint 16 after the pneumatic rod 18 is lifted and adjusted to a suitable height, the positioning member 19 supports the bottom of the movable plate 2 and maintains the stability of the inclination angle.

[0027] The two support frames 3 are perpendicular to the upper surface of the movable plate 2, the two ends of the eye protection lamp 4 are rotatably connected with the two support frames 3 respectively, the eye protection lamp 4 is electrically connected with an external power supply, the upper part of the eye protection lamp 4 is fixedly installed with a light shield, the support frame 3 moves together with the movable plate 2 when the movable plate 2 is inclined, the eye protection lamp 4 is always vertically downward under the action of gravity to maintain the light compensation above the desktop and maintain the stability of the reading light, the light shield avoids the person reading directly looking at the light or the vision producing glare, and the purpose of eye protection is achieved.

[0028] The lower surface of the bottom plate 1 is fixedly installed with a connecting frame 14 on both sides, the lower surface of the connecting frame 14 is fixedly connected with the top of the two movable rods 10 respectively, a plurality of positioning holes 12 are vertically and uniformly distributed along the outer surface of the movable rod 10, the positioning hole 12 of the fixed rod 9 is screwedly installed with a limiting pin 11, the limiting pin 11 is also screwedly connected with the positioning hole 12 of the movable rod 10, and the limiting pin 11 penetrates the fixed rod 9 along the positioning hole 12 rearward.

[0029] The inner surface of the reinforcing member 13 is provided with a reserved hole, the tail end of the limiting pin 11 is screwedly connected with the inner surface of the reserved hole, and the outer surface of the movable rod 10 is slidingly connected with the inner surface of the fixed rod 9.

[0030] After the fixed rod 9 and the movable rod 10 are adjusted to a suitable position, the limiting pin 11 is inserted into the positioning hole 12 and is screwed inwardly until the tail end of the limiting pin 11 is connected with the reserved hole of the reinforcing member 13 tightly, so that the stability of the reading desk is improved.

[0031] The lower part of the fixed rod 9 is fixedly installed with a stabilizing frame 7, the upper surface of the stabilizing frame 7 is fixedly installed with a reinforcing rib 8, the tail end of the reinforcing rib 8 is fixedly connected with the outer surface of the fixed rod 9, so that the bearing capacity and the stability during use of the reading desk are improved.

[0032] Working principle: the myopia prevention reading desk, when the pneumatic rod 18 is placed horizontally, it can be completely stored in the storage slot 15, at this time the movable plate 2 can be placed horizontally, the upper surface of the bottom plate 1 is in contact with the lower surface of the movable plate 2, lifting the handle 5 can lift the movable plate 2, lift the pneumatic rod 18 and adjust to the appropriate height, then insert the positioning piece 19 into the butt joint hole 16, support the bottom of the movable plate 2, maintain the stability of the inclined angle, when the movable plate 2 is inclined, the support frame 3 moves together, the eye protection lamp 4 is always vertically downward, to maintain the light supplement above the desktop, maintain the stability of the reading light, the shade avoids the person reading directly looking at the light or the sight produces glare, to achieve the purpose of eye protection, adjust the fixed rod 9 and the movable rod 10 to the appropriate position, then insert the limiting bolt 11 into the positioning hole 12 and tighten inwardly until the end of the limiting bolt 11 is connected tightly with the reserved hole of the reinforcing piece 13, improve the stability of the reading desk.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A myopia-preventing reading desk, characterized in that, The utility model provides an improved protective eyeshade, which comprises a base plate (1), the upper surface of the base plate (1) is hinged with a movable plate (2), the top of the movable plate (2) is fixedly installed with a support frame (3), the two support frames (3) are provided with an eye protection lamp (4), the upper surface of the base plate (1) is hinged with a pneumatic rod (18), the bottom of the base plate (1) is fixedly installed with a movable rod (10), the lower part of the movable rod (10) is slidably installed with a fixed rod (9), the surfaces of the fixed rod (9) and the movable rod (10) are both provided with positioning holes (12), and the rear surface of the fixed rod (9) is fixedly installed with a reinforcing part (13).

2. The myopia-preventing reading desk according to claim 1, wherein The upper surface of the base plate (1) is provided with a receiving groove (15), the inner bottom surface of the receiving groove (15) is rotatably installed with a mounting part (17) at both ends, the top of the mounting part (17) is hinged with the end of the pneumatic rod (18), the other end of the pneumatic rod (18) is fixedly installed with a positioning part (19), and the maximum diameter of the pneumatic rod (18) is smaller than the depth of the receiving groove (15).

3. The myopia prevention reading desk according to claim 2, characterized in that: The bottom surface of the movable plate (2) is provided with two butt joints (16), the two positioning parts (19) correspond to the two butt joints (16) respectively, and the positioning parts (19) are inserted into the butt joints (16), the front side edges of the base plate (1) and the movable plate (2) are hinged, the front side edges of the base plate (1) and the movable plate (2) are both provided with arc-shaped limiting grooves (6), the rear side edge of the movable plate (2) is fixedly installed with a handle (5), and the sizes and shapes of the base plate (1) and the movable plate (2) are consistent.

4. The myopia-preventing reading desk according to claim 1, wherein The two support frames (3) are perpendicular to the upper surface of the movable plate (2), the two ends of the eye protection lamp (4) are rotatably connected with the two support frames (3) respectively, the eye protection lamp (4) is electrically connected with an external power supply, and the upper part of the eye protection lamp (4) is fixedly installed with a light shield.

5. The myopia-preventing reading desk according to claim 1, wherein The lower surface of the base plate (1) is fixedly installed with a connecting frame (14) at both sides, the lower surface of the connecting frame (14) is fixedly connected with the top of the two movable rods (10) respectively, the positioning holes (12) are vertically and uniformly distributed along the outer surface of the movable rod (10), the positioning hole (12) of the fixed rod (9) is threadedly installed with a limiting bolt (11), the limiting bolt (11) is also threadedly connected with the positioning hole (12) of the movable rod (10), and the limiting bolt (11) penetrates the fixed rod (9) rearward along the positioning hole (12).

6. The myopia-preventing reading desk according to claim 5, characterized in that, The inner side surface of the reinforcing part (13) is provided with a reserved hole, the end of the limiting bolt (11) is threadedly connected with the inner surface of the reserved hole, and the outer surface of the movable rod (10) is slidably connected with the inner side surface of the fixed rod (9).

7. The myopia-preventing reading desk according to claim 1, wherein The lower part of the fixed rod (9) is fixedly installed with a stabilizing frame (7), the upper surface of the stabilizing frame (7) is fixedly installed with a reinforcing rib (8), and the end of the reinforcing rib (8) is fixedly connected with the outer side surface of the fixed rod (9).

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