CN216494099U - Gravity sensing reading rack - Google Patents
Gravity sensing reading rack Download PDFInfo
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- CN216494099U CN216494099U CN202120718645.4U CN202120718645U CN216494099U CN 216494099 U CN216494099 U CN 216494099U CN 202120718645 U CN202120718645 U CN 202120718645U CN 216494099 U CN216494099 U CN 216494099U
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Abstract
The utility model relates to a gravity sensing reading rack, which comprises a book end mechanism; the book end mechanism comprises a transmission part and a book end part; the transmission part comprises a lifting plate, a first gear, a second gear, a third gear and a fourth gear; the book end part comprises a first drawing plate and a second drawing plate which are drawn and pulled mutually; a first abdicating hole is formed in the first drawing plate, and a first rack meshed with the fourth gear is arranged on the first abdicating hole; a second abdicating hole is formed in the second drawing plate, and a second rack meshed with the fourth gear is arranged on the second abdicating hole; a first lifting rack and a second lifting rack are arranged on the lifting plate at a left-right interval, the first lifting rack is meshed with the first gear, and the second lifting rack is meshed with the second gear; the third gear is engaged with the second gear and is coaxial with the fourth gear. Through coaxial gear transmission and rack and pinion meshing transmission, with two pull boards and lifter plate three linkage, can be with the automatic centre gripping of the books of placing, it is more convenient to use.
Description
Technical Field
The utility model relates to the field of reading racks for placing books, in particular to a gravity sensing 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.
Aiming at the existing problems, various reading racks exist in the market, and books can be placed on the reading racks for reading by drawing the drawing plates on the two sides; the bottom of the reading frame is also provided with a stop part for supporting the book; the angle of the panel for placing the book can be freely adjusted along with the bracket on the reading frame so as to meet different pursuits of users.
Although the reading rack brings great convenience to users, the reading rack also has some disadvantages, for example, the pull plates on the two sides of the reading rack are mutually independent, and a left pull plate and a right pull plate need to be pulled and pulled simultaneously when books are placed, so that the operation is not convenient enough; the book is loosened and is unstably clamped in the process of continuously turning pages; and the stop part on the book holder is fixed, so that for books with certain specifications, if the clamping part of the book holder is leaned against the upper part, the two sides of the bottom of the book can be obviously lifted, and the reading experience is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gravity sensing reading frame to solve the problem that the reading frame is not convenient enough to put books and take books.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a gravity sensing reading stand comprises a book end mechanism; the book end mechanism comprises a transmission part and a book end part; the transmission part comprises a lifting plate, a first gear, a second gear, a third gear and a fourth gear; the book end part comprises a first drawing plate and a second drawing plate which are drawn and pulled mutually; a first abdicating hole is formed in the first drawing plate, and a first rack meshed with the fourth gear is arranged on the first abdicating hole; a second abdicating hole is formed in the second drawing plate, and a second rack meshed with the fourth gear is arranged on the second abdicating hole; a first lifting rack and a second lifting rack are arranged on the lifting plate at a left-right interval, the first lifting rack is meshed with the first gear, and the second lifting rack is meshed with the second gear; the third gear is engaged with the second gear and is coaxial with the fourth gear.
Furthermore, a through hole is formed in the lifting plate; the first lifting rack and the second lifting rack are respectively arranged on the left edge and the right edge of the through hole.
Further, the right end of the first pulling plate is bent forwards vertically to form a first bending part, and the first bending part is hinged with a first pressing plate; the left end of the second drawing plate is perpendicularly bent forwards to form a second bending part, and the second bending part is hinged with a second pressing plate.
Further, the gravity sensing reading stand further comprises a shell; the front side of the shell is provided with a sliding chute along the left-right direction for the book end part to slide.
Furthermore, a first limiting strip used for limiting the first drawing plate is vertically arranged on the upper surface and the lower surface of the sliding groove along the length direction of the sliding groove; the upper edge and the lower edge of the first drawing plate are vertically provided with a first limiting part along the length direction of the first drawing plate; the first limiting strip is matched with the first limiting part.
Furthermore, a cover plate is arranged on the sliding groove, and a second limiting strip for limiting the forward movement of the second pull plate is arranged on one side of the cover plate facing the sliding groove; the upper edge and the lower edge of the second drawing plate are vertically provided with a second limiting part along the length direction of the second drawing plate; the second limiting strip is matched with the second limiting part.
Furthermore, a limit hole for limiting the up-and-down movement amplitude of the lifting plate is arranged on the lifting plate; a limiting column is arranged in the shell corresponding to the limiting hole; the limiting column is in sliding fit with the limiting hole.
Furthermore, the lower part of the lifting plate is provided with a stop part for supporting the bottom side of the book, and the stop part is plate-shaped.
Furthermore, a limiting plate for limiting the left and right movement of the lifting plate is arranged on the shell.
The utility model has the beneficial effects that:
according to the novel gravity sensing reading frame, the two pull plates are in transmission fit through the rack and the gear, so that mutual linkage between the pull plates is realized; the book end part and the transmission part are connected through two coaxial gears; when the book was arranged in on the panel, it was down to drive the lifter plate through self gravity, and the lifter plate passes through rack and gear engagement, drives gear revolve, and the transmission of rethread coaxial gear to drive the pull board and go in opposite directions, realize two pull boards, lifter plate three's linkage, can be to the automatic centre gripping of books, it is more convenient to use.
Furthermore, the diameters of the two coaxial gears can be different, so that the speed increasing or the speed reducing in the linkage process can be realized in sequence, and different use requirements can be met.
The limiting plate arranged on the front shell can limit the lifting plate to only slide up and down, so that the left-right shaking amount is reduced, and the use stability of the reading frame is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment 1 of the gravity-sensing reading stand;
fig. 2 is a schematic view of the internal structure of embodiment 1 of the gravity-sensing reading stand (viewed from the rear side);
FIG. 3 is a schematic view of the structure of the book holder mechanism of embodiment 1 of the gravity sensing reading stand;
fig. 4 is a front housing structure of the gravity sensing reading stand of embodiment 1;
FIG. 5 is a schematic view of a cover plate of the gravity sensing reading stand in accordance with embodiment 1;
FIG. 6 is an enlarged view at A in FIG. 3;
FIG. 7 is a schematic view (from the rear) of the structure of the transmission portion of embodiment 2 of the gravity sensing reading stand;
FIG. 8 is a schematic view of a second drawer of the embodiment 2 of the gravity-sensitive reading stand;
fig. 9 is a schematic diagram of a first drawing board structure of the gravity sensing reading frame in embodiment 2.
Names corresponding to the marks in the figure: 1. the support, 2, a front housing, 3, a rear housing, 4, a cover plate, 5, a lifting plate, 6, a second drawing plate, 7, a first drawing plate, 20, a panel, 21, a sliding groove, 22, a first limit strip, 23, a relief notch, 24, a limit plate, 40, a second limit strip, 50, a second lifting rack, 51, a first lifting rack, 52, a stop portion, 54, a left strip-shaped limit hole, 55, a right strip-shaped limit hole, 60, a second bending portion, 61, a second rack, 62, a second limit portion, 70, a first bending portion, 71, a first rack, 72, a first limit portion, 500, a second gear, 501, a third gear, 510, a first gear, 540, a limit column, 600, a second press plate, 610, a fourth gear, 700, and a first press plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Example 1 of the utility model:
as shown in fig. 1, a gravity clamping reading frame comprises a bracket 1, a shell and a book end mechanism; the shell comprises a front shell 2 and a rear shell 3, the front shell 2 and the rear shell 3 are fixed together through screws, and a bracket 1 is fixed on the rear shell 3; the book holder mechanism comprises a transmission part and a book holder part.
As shown in fig. 4-5, the front side of the front case 2 is a panel 20, the upper half portion of the panel 20 is provided with a sliding slot 21 along the left-right direction, and the upper and lower sides of the inside of the sliding slot 21 are respectively provided with a first position-limiting strip 22 vertically downward and vertically upward along the length direction of the sliding slot 21 for cooperating with the book end portion to prevent the book end portion from moving forward and backward; the sliding groove 21 is provided with a cover plate 4, one side surface of the cover plate 4 facing the sliding groove 21 is vertical to the cover plate 4 along the length direction of the cover plate 4, and two second limiting strips 40 are arranged at intervals up and down and are used for being matched with the book end part to prevent the book end part from moving back and forth. The cover plate 4 may be completely attached to the sliding groove 21, and the attached cover plate 4 is coplanar with the panel 20.
As shown in fig. 1-3, the book end portion includes two drawing plates, namely a first drawing plate 7 and a second drawing plate 6, which can be drawn and pulled mutually; the first drawing plate 7 is of a rectangular plate-shaped structure, the right end of the first drawing plate is forwards and vertically bent to form a first bending part 70, the bending end of the first bending part 70 is hinged with a first pressing plate 700, and the first pressing plate are assembled in a damping rotating mode; the second drawing plate 6 is a rectangular plate-shaped structure, the left end of the second drawing plate is bent forwards vertically to form a second bending part 60, the bending end of the second bending part 60 is hinged with a second pressing plate 600, and the second pressing plate are assembled in a damping rotating mode.
As shown in fig. 3 and 4, a first abdicating hole is arranged on the first drawing plate 7 near the left end, and a first rack 71 is arranged on the lower edge of the first abdicating hole for matching with the transmission part; the upper edge and the lower edge of the first drawing plate 7 respectively extend upwards and downwards along the length direction to form a first limiting part 72, the first limiting part 72 is coplanar with the rear side surface of the first drawing plate 7 and forms a first step with the front side surface, and the first step is matched with the first limiting strip 22 and limits the first drawing plate 7 to move back and forth.
As shown in fig. 3 and 5, a second abdicating hole is arranged on the second drawing plate 6 near the right end, and a second rack 61 is arranged on the upper edge of the second abdicating hole for matching with the transmission part; the upper edge and the lower edge of the second drawing plate 6 respectively extend upwards and downwards along the length direction to form a second limiting part 62, the second limiting part 62 is coplanar with the rear side surface of the first drawing plate 7 and forms a second step with the front side surface, and the second step is matched with the second limiting strip 40 and limits the second drawing plate 6 to move back and forth.
As shown in fig. 2 and 4, the transmission part includes a lifting plate 5, a first gear 510, a second gear 500, a third gear 501, and a fourth gear 610; the main body of the lifting plate 5 is a long plate-shaped structure, the upper end edge of the main body is in arc transition, the lower end part is provided with a stop part 52 for supporting the bottom side of the book, and the stop part 52 is in a long plate shape and is positioned at the front side of the panel 20.
The lower edge of the front case 2 is further provided with a rectangular-shaped abdicating notch 23, and the abdicating notch 23 is opened downwards for abdicating the stop part 52.
As shown in fig. 2 to 3, the first gear 510, the second gear 500, the third gear 501 and the fourth gear 610 are all fixed on the front housing 2 through a gear shaft, the gear shaft is axially arranged along the front and back of the housing, the first gear 510 and the second gear 500 are in transmission fit with the lifting plate 5, the third gear 501 is engaged with the second gear 500, the third gear 501 is coaxial with the fourth gear 610, the fourth gear 610 is located on the panel side, and the fourth gear 610 is simultaneously engaged with the first rack 71 and the second rack 61.
As shown in fig. 2, the lifting plate 5 is provided with a through hole which is a rectangular hole, and the upper edge of the rectangular hole is in arc transition; the lower part of the right edge is provided with a first lifting rack 51 for meshing with the first gear 510, and the upper part of the right edge is provided with a first yielding part for yielding the third gear 501; the upper part of the left edge is provided with a second lifting rack 50 which is used for being meshed with a second gear 500; a left strip-shaped limiting hole 54 and a right strip-shaped limiting hole 55 in the vertical direction are formed in the left side and the right side of the upper portion of the lifting plate 5, a left limiting column 540 and a right limiting column 540 are arranged on the front shell 2 corresponding to the left strip-shaped limiting hole 54 and the right strip-shaped limiting hole 55, and the left limiting column 540 is in sliding fit with the left strip-shaped limiting hole 54, and the right limiting column 540 is in sliding fit with the right strip-shaped limiting hole 55; the outer contour edge of the lifting plate 5 is provided with four limiting plates 24 respectively located at the upper left portion, the lower left portion, the upper right portion and the lower right portion of the outer contour of the lifting plate 5, and the limiting plates 24 tightly cling to the outer contour of the lifting plate 5 but are not blocked so as to allow the lifting plate 5 to move up and down in the constraint tracks formed by the four limiting plates 24.
The strip-shaped limiting hole in the lifting plate 5, the limiting column 540 in the front shell 2 and the abdicating notch 23 limit the ascending and descending amplitude of the lifting plate 5 at the same time, so that the amplitude of the left and right movement of the first drawing plate 7 and the second drawing plate 6 is limited, and the fourth gear 610 is prevented from being disengaged to cause interference.
The working principle is as follows: when a book is placed, the first pressing plate 700 and the second pressing plate 600 are in an open state at a certain angle, when the book is placed on the reading frame panel 20, the stop portion moves downward under the action of the self gravity of the book, so as to drive the lifting plate 5 to move downward, the lifting plate 5 moves vertically downward under the constraint action of the first gear 510, the limiting plate 24 and the limiting post 540, due to the meshing action of the second lifting rack 50 and the second gear 500, the downward movement of the lifting plate 5 drives the second gear 500 to rotate, the second gear 500 drives the third gear 501 to rotate, the third gear 501 and the fourth gear 610 are coaxial, so as to drive the fourth gear 610 to rotate, and the fourth gear 610 simultaneously meshes the first rack 71 and the second rack 61, so as to drive the first drawing plate 7 and the second drawing plate 6 to move in opposite directions, thereby clamping the book. It should be noted that the first pressing plate 700 and the second pressing plate 600 are rotatably engaged with the drawing plate in a damping manner, so that the book can be pressed at any angle, the opening angle depends on the specific thickness of the opened state of the placed book, and the book placement does not need to be adjusted every time.
Example 2 of the utility model:
the present embodiment differs from embodiment 1 in that: the rack and the gear are arranged at different positions.
As shown in fig. 7-9, the lower portion of the left edge of the rectangular hole on the lifting plate 5 is provided with a first lifting rack 51 for engaging with the first gear 510, and the upper portion of the left edge is provided with a first yielding portion for yielding the third gear 501; the upper part of the right edge is provided with a second lifting rack 50 which is used for being meshed with a second gear 500; the upper side of the first drawing plate 7 is provided with a first rack 71, and the lower side of the second drawing plate 6 is provided with a second rack 61.
The working principle is that when a book is placed, the first pressing plate 700 and the second pressing plate 600 are in an open state at a certain angle, when the book is placed on the reading stand panel 20, the stop part moves downwards under the action of the self gravity of the book, so that the lifting plate 5 is driven to move downwards, the lifting plate 5 moves vertically downwards under the constraint action of the first gear 510, the limiting plate 24 and the limiting column 540, due to the meshing action of the second lifting rack 50 and the second gear 500, the descending of the lifting plate 5 drives the second gear 500 to rotate, the second gear 500 drives the third gear 501 to rotate, the third gear 501 and the fourth gear 610 are coaxial, so that the fourth gear 610 drives the fourth gear 610 to rotate, the fourth gear 610 simultaneously meshes the first rack 71 and the second rack 61, so that the first drawing plate 7 and the second drawing plate 6 are driven to move in the opposite direction, and the book is clamped.
Claims (9)
1. A gravity-sensing reading stand, comprising: comprises a book end mechanism; the book end mechanism comprises a transmission part and a book end part; the transmission part comprises a lifting plate, a first gear, a second gear, a third gear and a fourth gear; the book end part comprises a first drawing plate and a second drawing plate which are drawn and pulled mutually; a first abdicating hole is formed in the first drawing plate, and a first rack meshed with the fourth gear is arranged on the first abdicating hole; a second abdicating hole is formed in the second drawing plate, and a second rack meshed with the fourth gear is arranged on the second abdicating hole; a first lifting rack and a second lifting rack are arranged on the lifting plate at a left-right interval, the first lifting rack is meshed with the first gear, and the second lifting rack is meshed with the second gear; the third gear is engaged with the second gear and is coaxial with the fourth gear.
2. A gravity sensing reading stand according to claim 1 wherein: the lifting plate is provided with a through hole; the first lifting rack and the second lifting rack are respectively arranged on the left edge and the right edge of the through hole.
3. A gravity sensing reading stand according to claim 1 wherein: the right end of the first drawing plate is bent forwards vertically to form a first bending part, and the first bending part is hinged with a first pressing plate; the left end of the second drawing plate is perpendicularly bent forwards to form a second bending part, and the second bending part is hinged with a second pressing plate.
4. A gravity sensing reading stand according to claim 1 wherein: the gravity sensing reading stand further comprises a shell; the front side of the shell is provided with a sliding chute along the left-right direction for the book end part to slide.
5. A gravity sensing reading stand according to claim 4 wherein: a first limiting strip used for limiting the first drawing plate is vertically arranged on the upper surface and the lower surface of the sliding groove along the length direction of the sliding groove; the upper edge and the lower edge of the first drawing plate are vertically provided with a first limiting part along the length direction of the first drawing plate; the first limiting strip is matched with the first limiting part.
6. A gravity sensing reading stand according to claim 4 wherein: a cover plate is arranged on the sliding groove, and a second limiting strip for limiting the forward movement of the second pull plate is arranged on one side of the cover plate facing the sliding groove; the upper edge and the lower edge of the second drawing plate are vertically provided with a second limiting part along the length direction of the second drawing plate; the second limiting strip is matched with the second limiting part.
7. A gravity sensing reading stand according to claim 4 wherein: the lifting plate is provided with a limiting hole for limiting the up-and-down moving amplitude of the lifting plate; a limiting column is arranged in the shell corresponding to the limiting hole; the limiting column is in sliding fit with the limiting hole.
8. A gravity sensing reading stand according to claim 1 wherein: the lower part of the lifting plate is provided with a blocking part for supporting the bottom side of the book, and the blocking part is plate-shaped.
9. A gravity sensing reading stand according to any one of claims 4 to 7 wherein: and the shell is provided with a limiting plate for limiting the left and right movement of the lifting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120718645.4U CN216494099U (en) | 2021-04-07 | 2021-04-07 | Gravity sensing reading rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120718645.4U CN216494099U (en) | 2021-04-07 | 2021-04-07 | Gravity sensing reading rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216494099U true CN216494099U (en) | 2022-05-13 |
Family
ID=81461998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120718645.4U Active CN216494099U (en) | 2021-04-07 | 2021-04-07 | Gravity sensing reading rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216494099U (en) |
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2021
- 2021-04-07 CN CN202120718645.4U patent/CN216494099U/en active Active
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