CN214258370U

CN214258370U - Gravity induction type reading rack

Info

Publication number: CN214258370U
Application number: CN202023229693.1U
Authority: CN
Inventors: 平红强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-24
Anticipated expiration: 2030-12-25

Abstract

The utility model relates to a gravity induction type reading rack, which comprises a panel, a first book end and a second book end, wherein the first book end and the second book end are arranged on the panel and are oppositely pulled, the first book end comprises a first pulling plate, the left end of the first pulling plate is provided with a first limiting part, the second book end comprises a second pulling plate, and the right end of the second pulling plate is provided with a second limiting part; the first drawing plate is provided with a first rack which is meshed with the first gear, the second drawing plate is provided with a second rack which is meshed with the second gear; the book lifting device is characterized by further comprising a lifting plate, wherein a stopping part used for supporting the bottom side of a book is arranged at the bottom of the lifting plate, a first lifting rack and a second lifting rack which are distributed at intervals from left to right are arranged on the lifting plate, the first lifting rack is in meshing transmission with the first gear, and the second lifting rack is in meshing transmission with the second gear. The book stand can realize linkage of the book clamps at two sides and the lifting plate, and can clamp two sides of a book by the aid of the limiting parts on the two book clamps, so that the book is automatically positioned and supported, and the book stand is more convenient to use.

Description

Gravity induction type reading rack

Technical Field

The utility model relates to a place the reading rack field of books, concretely relates to gravity-feed tank formula reading rack.

Background

When reading books usually, the books are flatly placed on the desktop, the angle between the upper side of the books and the sight line of eyes of people is not comfortable, the eyes are easy to be tired, and if the books are erected for reading, two hands are required to hold two sides of the books for a long time, and the two hands feel tired. When a book is directly laid on a desktop for reading or writing, the side edge of the book needs to be pressed by hand to prevent the book from being automatically closed.

Based on the existing problems, several kinds of reading racks for placing books continue to appear on the market. The utility model with the publication number of CN207949302U discloses an angle-adjustable reading rack, which comprises a panel, a stop part is arranged at the bottom of the reading rack for supporting the bottom of the book; the both sides of panel are equipped with the book end, and the book end includes installation department and base, and base one side is buckled and is extended there is a spacing portion, and is spacing to books both sides, and is equipped with a shell fragment in the space of spacing portion, can press the side of the books after opening, prevents automatic closing, when needs turn over the page, presses the shell fragment and can release the page. The panel rear side still is equipped with a support frame, can adjust the inclination of panel, satisfies the different angle demands of user.

The reading rack disclosed in the above patent provides a user with certain convenience, but there are some areas to be optimized. If the book clamps on the left side and the right side of the reading frame are independently operated, when books are placed, the book clamps on the two sides need to be pushed and pulled simultaneously, and the phenomenon that the book clamps are loosened can also occur in the use process, so that the clamping is unstable; the stop part at the bottom of the panel is fixed, and for books with certain specifications, if the clamping part of the book end is relatively leaned on the book end after the book is placed, the two sides of the bottom of the book can be obviously raised. The elastic sheet is arranged in the space of the limiting portion of the book end, the elastic sheet needs to occupy a certain rotating moving space, the size of the limiting portion extending outwards is larger, the elastic sheet needs to be pressed when a book is clamped, operation steps are increased, and the book end is not convenient enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gravity induction type reading frame to improve the convenience of operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the first scheme of the gravity sensing type reading rack is as follows:

the gravity induction type reading rack comprises a panel, and a first book end and a second book end which are arranged on the panel and oppositely pulled left and right, wherein the first book end comprises a first pulling plate, the left end of the first pulling plate is provided with a first limiting part bent forwards and rightwards, the second book end comprises a second pulling plate, and the right end of the second pulling plate is provided with a second limiting part bent forwards and leftwards; the first drawing plate is provided with a first rack which is in meshing transmission with the first gear, the second drawing plate is provided with a second rack which is in meshing transmission with the second gear; the gravity sensing type reading frame further comprises a lifting plate, a stopping part used for supporting the bottom side of the book is arranged at the bottom of the lifting plate, a first lifting rack and a second lifting rack which are distributed at intervals from left to right are arranged on the lifting plate, the first lifting rack is in meshing transmission with the first gear, and the second lifting rack is in meshing transmission with the second gear.

Furthermore, a sliding groove which is communicated from left to right is formed in the panel, the first drawing plate and the second drawing plate are assembled in the sliding groove in a sliding mode, and a cover plate is arranged on the front side of the sliding groove.

Furthermore, the first drawing plate and the second drawing plate are symmetrically arranged in the left-right direction.

Furthermore, the lifter plate is the shape of falling U, and first lifting rack and second lifting rack set up respectively on the plate body of the left and right sides of lifter plate.

Furthermore, the lifting plate is provided with a guide long hole for guiding the lifting plate to lift up and down.

Scheme two of gravity-feed induction formula reading frame:

the gravity induction type reading rack comprises a panel, and a first book end and a second book end which are arranged on the panel and oppositely pulled left and right, wherein the first book end comprises a first pulling plate, the left end of the first pulling plate is provided with a first limiting part bent forwards and rightwards, the second book end comprises a second pulling plate, and the right end of the second pulling plate is provided with a second limiting part bent forwards and leftwards; the first drawing plate is provided with a first rack which is in meshing transmission with the first gear, the second drawing plate is provided with a second rack which is in meshing transmission with the second gear; a third gear is coaxially arranged on the first gear, the third gear is in meshing transmission with a fourth gear, a fifth gear is coaxially arranged on the second gear, and the fifth gear is in meshing transmission with a sixth gear; the gravity sensing type reading frame further comprises a lifting plate, a stop part used for supporting the bottom side of the book is arranged at the bottom of the lifting plate, a first lifting rack and a second lifting rack which are distributed at intervals from left to right are arranged on the lifting plate, the first lifting rack is in meshing transmission with the fourth gear, and the second lifting rack is in meshing transmission with the sixth gear.

Furthermore, the first gear and the second gear are the same in size, the third gear and the fifth gear are the same in diameter size, the fourth gear and the sixth gear are the same in diameter size, and the diameter of the fourth gear is different from that of the third gear.

The third scheme of the gravity sensing reading rack is as follows:

the gravity induction type reading rack comprises a panel, and a first book end and a second book end which are arranged on the panel and oppositely pulled left and right, wherein the first book end comprises a first pulling plate, the left end of the first pulling plate is provided with a first limiting part bent forwards and rightwards, the second book end comprises a second pulling plate, and the right end of the second pulling plate is provided with a second limiting part bent forwards and leftwards; the first drawing plate is provided with a first rack which is in meshing transmission with the first gear, the second drawing plate is provided with a second rack which is in meshing transmission with the second gear; a third gear is coaxially arranged on the first gear, and a fourth gear is coaxially arranged on the second gear; the gravity sensing type reading frame further comprises a lifting plate, a stop part used for supporting the bottom side of the book is arranged at the bottom of the lifting plate, a first lifting rack and a second lifting rack which are distributed at intervals from left to right are arranged on the lifting plate, the first lifting rack is in meshing transmission with a third gear, and the second lifting rack is in meshing transmission with a fourth gear.

Further, the diameter of the third gear is different from that of the first gear, the diameter of the second gear is the same as that of the first gear, and the diameter of the third gear is the same as that of the fourth gear.

The utility model has the advantages that:

the utility model discloses a reading rack, two book ends on the panel are pull formula assembly, all are equipped with the rack structure on two book ends, with two gear engagement transmission respectively of fixed setting on the panel, the lifter plate that the panel rear side set up in addition also is equipped with two lifting rack structures that correspond to mesh the transmission with two gear one-to-ones. After placing books on the lifter plate, lean on books dead weight to push down the lifter plate, the lifter plate moves down simultaneously, because of the transmission of rack and pinion for the book end of both sides is in step reverse direction action, realizes the linkage of both sides book end, lifter plate three, relies on spacing portion on two book ends to block books both sides, realizes books automatic positioning support promptly, based on this, can no longer set up the shell fragment or the clip etc. of pressing the book, has improved convenient to use nature.

Furthermore, the gear in meshing transmission with the rack on the drawing plate realizes the linkage at the same speed if the gear is in direct meshing transmission with the lifting rack of the lifting plate; through setting up two coaxial gears of different diameters, one of them meshes with the rack on the pull board, and another meshes with the rack on the lifter plate, realizes the different speed linkage of acceleration rate or speed reduction. Can achieve various use effects and meet different requirements.

Drawings

Fig. 1 is a schematic front side view of an embodiment 1 of the gravity-sensitive reading stand according to the present invention;

fig. 2 is a schematic front view of the gravity-sensitive reading stand according to embodiment 1 of the present invention (with the front cover removed);

fig. 3 is a schematic structural view of the rear side of embodiment 1 of the gravity-sensitive reading stand of the present invention (with the rear case removed);

fig. 4 is a schematic front view of the gravity-sensitive reading stand of embodiment 2 of the present invention (with the front cover removed);

fig. 5 is a schematic view of fig. 4 with the second drawing plate removed;

fig. 6 is a schematic view of the rear side of embodiment 2 of the gravity-sensitive reading stand of the present invention (with the rear cover removed);

FIG. 7 is a schematic view of FIG. 6 with the lifter plate removed;

fig. 8 is a schematic view of the gear rack transmission relationship in embodiment 3 of the gravity-sensing reading stand of the present invention.

Names corresponding to the marks in the figure:

1. the book end comprises a panel, 11, a yielding hole, 12, a sliding groove, 2, a cover plate, 3, a stopping part, 31, a limiting protrusion, 4, a first book end, 41, a first limiting part, 42, a first drawing plate, 43, a first rack, 5, a second book end, 51, a second limiting part, 52, a second drawing plate, 53, a second rack, 6 and a gear; 7. the lifting plate 71, the first lifting rack 72, the second lifting rack 73, the guide long hole 81, the first gear 82, the second gear 83, the third gear 84, the fourth gear 85, the fifth gear 86 and the sixth gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

The serial numbers themselves, such as "first", "second", etc., for the components of the present invention are used only to distinguish the depicted objects, and do not have any sequence or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Embodiment 1 of the utility model:

as shown in fig. 1-3, the gravity sensing reading stand includes a panel 1, and a first book holder 4 and a second book holder 5 that are arranged on the panel 1 and are drawn and pulled relatively from left to right, wherein the first book holder 4 includes a first drawing plate 42, and a first limiting portion 41 that is bent forward and rightward is arranged at the left end of the first drawing plate 42. The second book end 5 includes a second drawing plate 52, and a second limiting portion 51 bent forward and leftward is disposed at the right end of the second drawing plate 52.

The first drawing plate 42 is provided with a first rack 43, the first rack 43 is in meshing transmission with a first gear 81, the second drawing plate 52 is provided with a second rack 53, and the second rack 53 is in meshing transmission with a second gear 82. The two gears are fixed on two sides of the panel through gear shafts, the middle position (the middle of the panel in the left-right direction) of the gear shafts is along the front-back direction.

The first drawing plate 42 is provided with a first gear abdicating hole, the second drawing plate 52 is provided with a second gear abdicating hole, and the first gear abdicating hole and the second gear abdicating hole are rectangular holes. The vertical distance of the rectangular hole is larger than the outer diameter of the corresponding gear. The first rack 43 is arranged on the upper side in the first gear abdicating hole, and the second rack 53 is arranged on the upper side in the second gear abdicating hole. In other embodiments, the first rack may be disposed at a lower side of the first gear abdicating hole, and the second rack may be disposed at a lower side of the second gear abdicating hole. In other embodiments, a front and a rear through U-shaped groove can be arranged to replace a rectangular gear abdicating hole, and the notches of the U-shaped grooves on the two drawing plates are opposite.

The panel 1 is provided with a sliding groove 12 which is through from left to right, the first drawing plate 42 and the second drawing plate 52 are assembled in the sliding groove 12 in a sliding manner, and the first drawing plate 42 and the second drawing plate 52 are symmetrically arranged in the left-right direction. In the state shown in fig. 1, the right end of the first drawing plate 42 is just abutted against the left end of the second drawing plate 52, and a certain space may be reserved in other embodiments. The first gear 81 and the second gear 82 are respectively positioned at the left side and the right side of the panel, and the relative distance is relatively long, so that when the two drawing plates move outwards, the drawing plates have larger extension length and are suitable for clamping wider books.

The 12 front sides of spout are equipped with apron 2, and apron 2 is detained in the step that the spout front side set up, utilizes prior art's buckle structure, and the apron is detained the back, can shelter from the pull board, and the leading flank of apron and the leading flank of panel are coplane.

The gravity sensing type reading frame further comprises a lifting plate 7, a stopping part 3 used for supporting the bottom side of the book is arranged at the bottom of the lifting plate 7, the stopping part 3 extends forwards from the bottom of the lifting plate 7, and the stopping part 3 is further provided with a limiting bulge 31 extending upwards and used for limiting the front side of the bottom of the book. The stopper 3 and the lifting plate 77 are mounted by a connector, and the panel 1 is provided with a hole for abdicating 11 the connector when the lifting plate 7 moves up and down, the hole for abdicating 11 being a long hole extending in the up-and-down direction and penetrating the panel 1 in the front-and-back direction.

The upper end of the panel is provided with a strip-shaped hole for the lifting plate 7 to extend upwards.

The lifting plate 7 is provided with a first lifting rack 71 and a second lifting rack 72 which are distributed at intervals left and right, the first lifting rack 71 is in meshing transmission with a first gear 81, and the second lifting rack 72 is in meshing transmission with a second gear 82. The lifting plate 7 is of an inverted U-shaped frame structure, and the first lifting rack 71 and the second lifting rack 72 are respectively disposed on the plate bodies on the left and right sides of the lifting plate 7. The plate bodies on the left and right sides of the lifting plate 7 are provided with guide long holes 73 for guiding the lifting plate to move up and down, and the panel 1 is provided with corresponding guide rods. Lifter plate 7, first pull board 42 and second pull board 52, under rack and gear structure's transmission, realize three linkage effects, lifter plate 7 receives the action of gravity of placing books promptly after, lifter plate 7 descends, drive first gear 81, second gear 82 rotates, thereby it closes to drive first pull board 42 and second pull board 52 and move to the inboard simultaneously and remove, rely on first spacing portion 41, the left and right sides that books were blocked naturally in the spacing portion 51 of second, the automatic effect of pressing from both sides the books of gravity-feed induction type has also been realized. In a similar way, when the first drawing plate or the second drawing plate is pulled outwards, the lifting plate can be driven to be linked and lift up.

In embodiment 1, the first drawing plate 42 and the lifter plate 7, and the second drawing plate 52 and the lifter plate 7 are both in a single gear and rack transmission relationship, and the first drawing plate 42, the second drawing plate 52 and the lifter plate 7 move at the same speed.

Embodiment 2 of the utility model:

compared with the embodiment 1, the main difference lies in the number and distribution of the gears, and the relationship that the first drawing plate 42, the second drawing plate 52 and the lifting plate 7 move at different speeds is realized.

As shown in fig. 4 to 7, the gravity sensing reading stand includes a panel 1, and a first book end and a second book end which are oppositely drawn and pulled left and right on the panel 1, wherein the first book end includes a first drawing plate 42, a first limiting portion 41 which is bent forward and right is disposed at the left end of the first drawing plate 42, the second book end includes a second drawing plate 52, and a second limiting portion 51 which is bent forward and left is disposed at the right end of the second drawing plate 52.

The first drawing plate 42 is provided with a first rack 43, the first rack 43 is in meshing transmission with a first gear 81, the second drawing plate 52 is provided with a second rack 53, and the second rack 53 is in meshing transmission with a second gear 82. The first gear 81 is the same size as the second gear 82.

The panel 1 is provided with a sliding groove which is through from left to right, the first drawing plate 42 and the second drawing plate 52 are assembled in the sliding groove in a sliding manner, and a cover plate (not shown) is arranged on the front side of the sliding groove. The difference between the upper part and the embodiment 1 is that in this embodiment, the first drawing plate 42 and the second drawing plate 52 are stacked front and back, and the first drawing plate 42 is located at the back side of the second drawing plate 52; and the distance between the first gear 81 and the second gear 82 becomes smaller.

The first gear 81 is coaxially provided with a third gear 83, and the third gear 83 is meshed with a fourth gear 84 for transmission. The second gear 82 is coaxially provided with a fifth gear 85, and the fifth gear 85 is in meshing transmission with a sixth gear 86. The third gear 83 and the fifth gear 85 have the same diameter, and the fourth gear 84 and the sixth gear 86 have the same diameter.

The gravity sensing type reading frame further comprises a lifting plate 7, and a stop part for supporting the bottom side of the book is arranged at the bottom of the lifting plate 7. The lifting plate 7 is provided with a first lifting rack 71 and a second lifting rack 72 which are distributed at intervals left and right, the first lifting rack 71 is in meshing transmission with the fourth gear 84, and the second lifting rack 72 is in meshing transmission with the sixth gear 86.

When the lifting plate 7 moves up and down, the fourth gear 84 is driven to rotate by the first lifting rack 71, the fourth gear 84 drives the coaxial third gear 83 to rotate, and the third gear 83 drives the first gear 81 to rotate, so that the first rack 43 is driven and the first drawing plate 42 is driven to move linearly in the left-right direction; the transmission process of the second lifting rack 72 on the other side is similar, and the linkage among the first drawing plate 42, the second drawing plate 52 and the lifting plate 7 can be realized.

The diameter of the first gear 81 is smaller than that of the third gear 83 which is coaxially arranged, the diameter of the second gear 82 is smaller than that of the fifth gear 85, the purpose that the lifting plate 7 and the two drawing plates move at different speeds can be achieved, and the lifting plate 7 moves in a speed reduction mode.

In another embodiment, if the speed is increased, in addition to embodiment 2, the diameter of the first gear may be designed to be larger than the diameter of the third gear, and the diameter of the second gear may be larger than the diameter of the fifth gear.

Embodiment 3 of the utility model:

the difference between this embodiment and embodiment 1 is that the transmission gear is added to realize the different speed movement among the first drawing plate, the second drawing plate and the lifting plate.

The first gear 81 is in meshing transmission with the first rack on the first drawing plate, and a third gear 83 is coaxially arranged on the first gear 81. The second gear 82 is in meshed transmission with a second rack on the second drawing plate, and a fourth gear 84 is coaxially arranged on the second gear 82.

The gravity sensing type reading frame further comprises a lifting plate 7, a first lifting rack 71 and a second lifting rack 72 which are distributed at left and right intervals are arranged on the lifting plate 7, the first lifting rack 71 is in meshing transmission with a third gear 83, and the second lifting rack 72 is in meshing transmission with a fourth gear 84.

The diameter of the third gear 83 is larger than that of the first gear 81, the diameter of the second gear 82 is the same as that of the first gear 81, and the diameter of the third gear 83 is the same as that of the fourth gear 84. Because the first gear 81 and the third gear 83, the second gear 82 and the fourth gear 84 which are coaxially arranged are not of different diameters, the lifting plate 7 and the two drawing plates can move at different speeds.

In other embodiments, when the diameter of the third gear is set to be the same as the diameter of the first gear and the diameter of the fourth gear is set to be the same as the diameter of the second gear, the third gear and the fourth gear move at the same speed in accordance with the effect of embodiment 1.

Claims

1. Gravity-feed tank formula reading frame, its characterized in that: the book end comprises a panel, and a first book end and a second book end which are arranged on the panel and oppositely pulled left and right, wherein the first book end comprises a first pulling plate, the left end of the first pulling plate is provided with a first limiting part bent forwards and rightwards, the second book end comprises a second pulling plate, and the right end of the second pulling plate is provided with a second limiting part bent forwards and leftwards; the first drawing plate is provided with a first rack which is in meshing transmission with the first gear, the second drawing plate is provided with a second rack which is in meshing transmission with the second gear;

the gravity sensing type reading frame further comprises a lifting plate, a stopping part used for supporting the bottom side of the book is arranged at the bottom of the lifting plate, a first lifting rack and a second lifting rack which are distributed at intervals from left to right are arranged on the lifting plate, the first lifting rack is in meshing transmission with the first gear, and the second lifting rack is in meshing transmission with the second gear.

2. The gravity-sensitive reading stand of claim 1, wherein: the panel is provided with a left and right through sliding groove, the first drawing plate and the second drawing plate are assembled in the sliding groove in a sliding mode, and a cover plate is arranged on the front side of the sliding groove.

3. The gravity-sensitive reading stand of claim 2, wherein: the first drawing plate and the second drawing plate are symmetrically arranged in the left-right direction.

4. A gravity-sensitive reading stand according to any of claims 1 to 3, wherein: the lifting plate is in an inverted U shape, and the first lifting rack and the second lifting rack are respectively arranged on the plate bodies on the left side and the right side of the lifting plate.

5. A gravity-sensitive reading stand according to any of claims 1 to 3, wherein: the lifting plate is provided with a guiding long hole for guiding the lifting plate to lift up and down.

6. Gravity-feed tank formula reading frame, its characterized in that: the book end comprises a panel, and a first book end and a second book end which are arranged on the panel and oppositely pulled left and right, wherein the first book end comprises a first pulling plate, the left end of the first pulling plate is provided with a first limiting part bent forwards and rightwards, the second book end comprises a second pulling plate, and the right end of the second pulling plate is provided with a second limiting part bent forwards and leftwards; the first drawing plate is provided with a first rack which is in meshing transmission with the first gear, the second drawing plate is provided with a second rack which is in meshing transmission with the second gear; a third gear is coaxially arranged on the first gear, the third gear is in meshing transmission with a fourth gear, a fifth gear is coaxially arranged on the second gear, and the fifth gear is in meshing transmission with a sixth gear;

the gravity sensing type reading frame further comprises a lifting plate, a stop part used for supporting the bottom side of the book is arranged at the bottom of the lifting plate, a first lifting rack and a second lifting rack which are distributed at intervals from left to right are arranged on the lifting plate, the first lifting rack is in meshing transmission with the fourth gear, and the second lifting rack is in meshing transmission with the sixth gear.

7. The gravity-sensitive reading stand of claim 6, wherein: the first gear and the second gear are the same in size, the third gear and the fifth gear are the same in diameter size, the fourth gear and the sixth gear are the same in diameter size, and the diameter of the fourth gear is different from that of the third gear.

8. The gravity-sensitive reading stand of claim 7, wherein: the panel is provided with a left and right through sliding groove, the first drawing plate and the second drawing plate are assembled in the sliding groove in a sliding mode, and a cover plate is arranged on the front side of the sliding groove.

9. Gravity-feed tank formula reading frame, its characterized in that: the book end comprises a panel, and a first book end and a second book end which are arranged on the panel and oppositely pulled left and right, wherein the first book end comprises a first pulling plate, the left end of the first pulling plate is provided with a first limiting part bent forwards and rightwards, the second book end comprises a second pulling plate, and the right end of the second pulling plate is provided with a second limiting part bent forwards and leftwards; the first drawing plate is provided with a first rack which is in meshing transmission with the first gear, the second drawing plate is provided with a second rack which is in meshing transmission with the second gear; a third gear is coaxially arranged on the first gear, and a fourth gear is coaxially arranged on the second gear; the gravity sensing type reading frame further comprises a lifting plate, a stop part used for supporting the bottom side of the book is arranged at the bottom of the lifting plate, a first lifting rack and a second lifting rack which are distributed at intervals from left to right are arranged on the lifting plate, the first lifting rack is in meshing transmission with a third gear, and the second lifting rack is in meshing transmission with a fourth gear.

10. The gravity-sensitive reading stand of claim 9, wherein: the diameter of the third gear is different from that of the first gear, the diameter of the second gear is the same as that of the first gear, and the diameter of the third gear is the same as that of the fourth gear.