Detachable double-layer multifunctional book bracket

Abstract

The utility model relates to a detachable double-layer multifunctional book bracket which aims at solving the technical problems that the height and the direction of an existing bookshelf cannot be adjusted, and the function is single, and adopts the technical scheme that the detachable double-layer multifunctional book bracket comprises a lower-layer table plate device and an upper-layer table plate device, the rear end of the lower-layer table plate is detachably connected with the upper-layer table plate device in an inserted mode, supporting legs of the upper-layer table plate device can be adjusted, and the supporting legs and the lower-layer table plate device can be independently used after being separated. The height of the bookshelf can be adjusted according to conditions and requirements of a reader, books, a tablet computer, a notebook computer and a mobile phone can be placed on the bookshelf at the same time, so that the reader has double-layer reading and writing experience, head-up reading and writing can be achieved at the same time in a correct and comfortable posture, the two layers of desk plates are detachable, and the bookshelf is convenient to use. And after being separated, the two can be independently used as a reading bookshelf.

Description

TECHNICAL FIELD

[0001] The utility model belongs to office supplies technical field, concretely relates to a detachable double -deck multi -functional book support frame. BACKGROUND

[0002] In today's society, with the acceleration of life rhythm, the pressure of study and life is also more and more big, whether it is student or office worker is often to sit for a long time, and it is very easy to appear cervical vertebra and other health problems, and some children incorrect reading posture, and it will lead to myopia, humpback, cervical spondylosis and other problems. To change this long-term low posture, the simplest way is to change the relative position and angle of books, computers and eyes, improve people's learning experience, and reading bookshelf is a good tool, books or computers are placed on the reading shelf, equivalent to supporting the book upright with hands, so that the eyes can level the book, help to adjust the sitting posture when reading. For example, the desk reading shelf provided in patent CN219877690U, it is also the most common reading shelf, including a bookshelf supporting books, and a placing table is arranged at the bottom of the bookshelf, so that the books can be placed in a way conducive to reading, and a sliding clamping rod is arranged on the bookshelf to conveniently clamp and fix the books. But the height of this bookshelf is fixed, and it cannot meet the height and habits of some users, and the volume is large and the structure is fixed, and the function is single. UTILITARIAN CONTENT

[0003] The utility model aims at solving above-mentioned problem, provide a detachable double -deck multi -functional book support frame.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of:

[0005] A detachable double -deck multi -functional book support frame, including lower layer table board device and upper layer table board device, the lower layer table board device includes base, disc, support sleeve, two support plates, lower layer table board and table board lifting device, the disc rotation is arranged in the middle of base, the support sleeve is fixed in the middle of the top surface of disc, the two support plates are symmetrically fixed in the top surface of base two sides, the upper layer table board device includes upper layer table board, upper layer table board lifting device and two support plates, the two support plates are symmetrically fixed in the top surface of base two sides, the upper layer table board lifting device is fixed in the middle of the top surface of the two support plates, and the upper layer table board is fixed on the upper layer table board lifting device.

[0006] The lower layer table board device includes base, disc, support sleeve, two support plates, lower layer table board and table board lifting device, the disc rotation is arranged in the middle of base, the support sleeve is fixed in the middle of the top surface of disc, the two support plates are symmetrically fixed in the top surface of base two sides, the upper layer table board device includes upper layer table board, upper layer table board lifting device and two support plates, the two support plates are symmetrically fixed in the top surface of base two sides, the upper layer table board lifting device is fixed in the middle of the top surface of the two support plates, and the upper layer table board is fixed on the upper layer table board lifting device.

[0007] The table plate lifting device comprises a crank, a worm, a worm wheel, a lifting screw, a bearing, a self-locking telescopic rod and a support beam, the lifting screw is connected with the upper end of the support sleeve through threads, the worm wheel is sleeved on the upper end of the support sleeve and connected through a key, the worm is horizontally arranged, the middle part is engaged with the worm wheel, and the two ends are connected with the two support plates through bearings, the crank is arranged at one end of the worm, the support beam is connected with the upper end of the lifting screw through a bearing, the lower table plate is fixed on the support beam, and the self-locking telescopic rod is vertically fixed on the middle of the top surface of one of the support plates.

[0008] The upper table plate device comprises a connecting rod, two support frames, an upper table plate and two plug-in rods, the two support frames are vertically fixed on the top surface of the connecting rod, the rear end of the upper table plate is horizontally fixed on the upper end of the two support frames, and the two plug-in rods are fixed on the two sides of the front side of the connecting rod.

[0009] Two plug-in slots are formed on the two sides of the rear end surface of the lower table plate, the two plug-in rods are inserted into the plug-in slots, and the lower table plate device and the upper table plate device are connected through the plug-in slots and the plug-in rods.

[0010] Further, two connecting slots are formed on the two sides of the top surface of the rear side of the lower table plate, corresponding connecting slots are also formed on the top surface of the front side of the connecting rod, after the two plug-in rods are inserted into the plug-in slots, the connecting slots on the two sides form a communication slot, the communication slot is in the shape of an inverted "U" as a whole, and the lower table plate and the connecting rod are connected through an inverted "U"-shaped connecting piece which is inserted into the connecting slots.

[0011] Further, a book blocking strip is arranged on the top surface of the left front side of the lower table plate in parallel with the front end surface, the book blocking strip is movably connected with the lower table plate, and two rolling book clamps are arranged on the book blocking strip.

[0012] Further, a pen slot is formed on the top surface of the right front side of the lower table plate, a cover is arranged on the pen slot, and a water-based pen is arranged in the pen slot.

[0013] Further, a file fixing clamp is arranged on the top surface of the right rear side of the lower table plate.

[0014] Further, hanging rods are arranged on the two sides of the top surface of the connecting rod, and the hanging rods are connected with the connecting piece through a string.

[0015] Further, the upper table plate device further comprises two supporting legs, two rotating shafts and two limiting hooks, the two rotating shafts are symmetrically arranged on the front parts of the two side surfaces of the upper table plate, the two supporting legs are rotatably arranged on the two sides of the upper table plate around the rotating shafts, a limiting rod is arranged on the side wall of the upper table plate beside the rotating shaft, and the two limiting hooks are rotatably arranged on the side wall of the upper table plate at the rear ends of the supporting legs.

[0016] Further, the length of the leg is the same as the height of the support frame.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1、 the utility model discloses setting lifting device, the height of bookshelf can be adjusted according to the condition and demand of reader oneself;

[0019] 2、 the utility model discloses two layers of table board, equivalent to two bookshelves, can place books, tablet, notebook, mobile phone simultaneously, makes the reading person have double -deck reading experience, and the posture of reading and writing can be simultaneously realized with correct comfort, and the two table board boards are detachable, and both can be used as reading bookshelf separately after being separated;

[0020] 3、 the utility model discloses lower table board installation can be used to place books with book blocking strip, and still all installation has the rolling book clamp of book blocking strip, and after ball head loosening, can realize easy page turning, and will not damage books;

[0021] 4. the utility model discloses installing pen slot on lower table board, can be used to place pencil, neutral pen, water eraser pen etc., and can make notes at any time while reading, and after being matched with erasable pen, can directly write on book support frame, and after writing, can directly use paper to erase, so that the utility model can be used as a temporary memo board;

[0022] 5. the utility model discloses lower table board still installation has file fixing clamp, can be used to fix file paper or thinner notebook, and conveniently write for the user, and the bookshelf of the utility model also has storage function simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure schematic diagram of the utility model;

[0024] Figure 2 It is Figure 1 It is the local amplification structure schematic diagram of A area in the middle;

[0025] Figure 3 It is the structure schematic diagram of another visual angle of the utility model;

[0026] Figure 4 It is the main view structure schematic diagram of the utility model;

[0027] Figure 5 It is the structure schematic diagram of upper table board of the utility model;

[0028] Figure 6 It is the structure schematic diagram of the connecting piece of the utility model;

[0029] In the figure: 1, base; 2, disc; 3, support sleeve; 4, support plate; 5, crank; 6, worm; 7, worm gear; 8, lifting screw; 9, bearing; 10, self-locking telescopic rod; 11, support beam; 12, clamping groove; 13, lower table plate; 14, connecting rod; 15, book blocking strip; 16, book; 17, rolling book clamp; 18, pen slot; 19, file fixing clamp; 20, support frame; 21, support leg; 22, limiting hook; 23, upper table plate; 24, limiting rod; 25, rotating shaft; 26, connecting groove; 27, connecting piece; 28, hanging rod; 29, plug-in rod. DETAILED DESCRIPTION

[0030] The utility model will be further explained in connection with the drawings and examples.

[0031] A detachable double-layer multifunctional book support frame comprises a lower table plate device and an upper table plate device.

[0032] The lower table plate device comprises a base 1, a disc 2, a support sleeve 3, two support plates 4, a lower table plate 13 and a table plate lifting device, the disc 2 is rotationally arranged in the middle of the base 1, the support sleeve 3 is fixedly arranged in the middle of the top surface of the disc 2, the two support plates 4 are symmetrically fixedly arranged on the top surface of the base 1 on both sides, the top surface of the lower table plate 13 is provided with a book blocking strip 15 on the left front side parallel to the front end surface, the book blocking strip 15 is movably connected with the lower table plate 13, and two rolling book clamps 17 are arranged on the book blocking strip 15; a pen slot 18 is formed on the top surface of the lower table plate 13 on the right front side, a lid is arranged on the pen slot 18, and a water-based pen is arranged in the pen slot 18; and a file fixing clamp 19 is arranged on the top surface of the lower table plate 13 on the right rear side.

[0033] The table plate lifting device comprises a crank 5, a worm 6, a worm gear 7, a lifting screw 8, a bearing 9, a self-locking telescopic rod 10 and a support beam 11, the lifting screw 8 is connected with the upper end of the support sleeve 3 through screw threads, the worm gear 7 is sleeved on the upper end of the support sleeve 3 and is connected through a key, the worm 6 is horizontally arranged, the middle part is engaged with the worm gear 7, and both ends are connected with the two support plates 4 through bearings, the crank 5 is arranged on one end of the worm 6, the support beam 11 is connected with the upper end of the lifting screw 8 through the bearing 9, the lower table plate 13 is fixedly arranged on the support beam 11, the self-locking telescopic rod 10 is vertically fixedly arranged in the middle of the top surface of one of the support plates 4, and a clamping groove 12 is formed in the support beam 11 above the self-locking telescopic rod 10.

[0034] The upper table board device comprises a connecting rod 14, two support frames 20, an upper table board 23 and two plug-in rods 29, the two support frames 20 are vertically fixed on the top surface of the connecting rod 14, the upper end of the two support frames 20 is horizontally fixed with the rear end of the upper table board 23, the two plug-in rods 29 are fixed on the front side of the connecting rod 14, the upper table board device further comprises two supporting legs 21, two rotating shafts 25 and two limiting hooks 22, the length of the supporting leg 21 is the same as the height of the support frame 20, the two rotating shafts 25 are symmetrically arranged on the front part of the two side surfaces of the upper table board 23, the two supporting legs 21 are rotatably arranged on the two side surfaces of the upper table board 23, the limiting rod 24 is arranged on the side wall of the upper table board 23 beside the rotating shaft 25, and the two limiting hooks 22 are rotatably arranged on the side wall of the upper table board 23 at the rear end of the supporting leg 21.

[0035] Two plug-in grooves are formed on the two sides of the rear end surface of the lower table board 13, the two plug-in rods 29 are inserted into the plug-in grooves, and the lower table board device is connected with the upper table board device through the plug-in grooves and the plug-in rods 29.

[0036] Two connecting grooves 26 are formed on the two sides of the rear side of the top surface of the lower table board 13, the top surface of the connecting rod 14 is also provided with the connecting grooves 26 at the corresponding positions, after the two plug-in rods 29 are inserted into the plug-in grooves, the two connecting grooves 26 on the two sides form a communicating groove, the communicating groove is in the shape of an inverted "U" as a whole, the lower table board 13 is connected with the connecting rod 14 through the inverted "U"-shaped connecting piece 27 which is inserted into the connecting grooves 26 and has a size matched with the connecting grooves 26, and the connecting rod 14 is provided with the hanging rod 28 on the two sides of the top surface.

[0037] The working process of the utility model:

[0038] When the utility model is used, the user shakes the handle 5, drives the worm 6 to rotate, the worm 6 drives the worm wheel 7 to rotate, the worm wheel 7 drives the supporting sleeve 3 and the disc 2 to rotate, drives the lifting screw 8 to rotate through the thread, and the lifting screw 8 is lifted in the supporting sleeve 3, thereby driving the supporting beam 11 and the lower table board 13 to lift, in the process of rotating the lifting screw 8, the length of the self-locking telescopic rod 10 is adjusted, and the self-locking telescopic rod 10 is inserted into the clamping groove 12, so that the lower table board 13 is prevented from rotating with the lifting screw 8, when the height of the lower table board 13 is adjusted, the handle 5 is stopped, and the lower table board 13 stops lifting, because the worm wheel and worm structure itself has the self-locking function, when stopping rotating, the table top remains stationary;

[0039] The plug-in rod 29 is inserted into the plug-in groove of the lower table board 13, and the connecting piece 27 is inserted into the connecting groove 26, so that the upper table board device can be stably connected with the lower table board device, and the connecting piece 27 is connected with the hanging rod 28 through the thin rope, so that the connecting piece 27 can be prevented from being lost when not in use.

[0040] The book 16 to be read is placed on the lower table plate 13, and the lower end surface of the book 16 is in contact with the book stop 15. After the book 16 is opened, the rolling book clamp 17 is placed on the pages of the book. The position can be adjusted according to the size of the book, and the rolling book clamp 17 is used to fix the pages of the book. The head of the rolling book clamp 17 is designed as a ball head. The ball head is loosened by being twisted to the left and tightened by being twisted to the right. After the ball head is loosened, the pages of the book can be easily turned, and the book is not damaged;

[0041] During reading, the file fixing clamp 19 can be used to fix some file papers or thin notebooks, so as to realize the function of reading and taking notes at the same time.

[0042] When the book stop 15 is disassembled, the lower table plate 13 can be used as a writing board or a drawing board. The water-based pen is placed in the pen slot 18, so that the user can draw conveniently.

[0043] While reading, a computer, a tablet computer, a mobile phone or the like can be placed on the upper table plate 23, so that the user can watch online courses, read books and take notes at the same time. When the upper table plate 23 is used to place a heavy object, the limiting hook 22 is pushed backward, the supporting leg 21 rotates downward around the rotating shaft 25, and the supporting leg 21 is in a vertical state after colliding with the limiting rod 24. At this time, the upper table plate 23 is supported by four legs, and the table top is more stable.

[0044] When the double-layered reading stand is not needed, the connecting piece 27 is taken out of the connecting groove 26, the plug-in rod 29 is pulled out, the upper table plate device is taken down, and the supporting leg 21 is placed down. At this time, the upper table plate device and the lower table plate device can be used as independent reading bookshelves.

Claims

1. A detachable dual-layer multi-functional book holder, characterized in that, Includes a lower tabletop assembly and an upper tabletop assembly; The lower tabletop device includes a base (1), a disc (2), a support sleeve (3), two support plates (4), a lower tabletop (13), and a tabletop lifting device. The disc (2) is rotatably disposed in the middle of the base (1), the support sleeve (3) is fixed in the middle of the top surface of the disc (2), and the two support plates (4) are symmetrically fixed on both sides of the top surface of the base (1). The table lifting device includes a crank (5), a worm (6), a worm wheel (7), a lifting screw (8), a bearing (9), a self-locking telescopic rod (10), and a support beam (11). The lifting screw (8) is connected to the upper end of the support sleeve (3) by a thread. The worm wheel (7) is sleeved on the upper end of the support sleeve (3) and connected by a key. The worm (6) is set horizontally, meshing with the worm wheel (7) in the middle, and connected to two support plates (4) at both ends by bearings. The crank (5) is set at one end of the worm (6). The support beam (11) is connected horizontally to the upper end of the lifting screw (8) by the bearing (9). The lower table (13) is fixed on the support beam (11). The self-locking telescopic rod (10) is vertically fixed in the middle of the top surface of one of the support plates (4). A slot (12) is opened on the support beam (11) directly above the self-locking telescopic rod (10). The upper tabletop device includes a connecting rod (14), two support frames (20), an upper tabletop (23), and two plug-in rods (29). The two support frames (20) are vertically fixed on both sides of the top surface of the connecting rod (14), and the rear end of the upper tabletop (23) is horizontally fixed on the upper end of the two support frames (20). The two plug-in rods (29) are fixed on both sides of the front side of the connecting rod (14). The lower tabletop (13) has two insertion slots on both sides of its rear end face. The two insertion rods (29) are inserted into the insertion slots. The lower tabletop device and the upper tabletop device are connected through the insertion slots and the insertion rods (29).

2. The detachable dual-layer multi-functional book holder of claim 1, wherein, The lower tabletop (13) has connecting grooves (26) on both sides of the rear side of the top surface. The connecting rod (14) also has connecting grooves (26) on the front side of the top surface. After the two plug-in rods (29) are inserted into the plug-in grooves, the connecting grooves (26) on both sides form a connecting groove, and the connecting groove is in the shape of an inverted "U". The lower tabletop (13) and the connecting rod (14) are reinforced by inserting an inverted "U" shaped connector (27) of matching size into the connecting groove (26).

3. The detachable dual-layer multi-functional book holder of claim 1, wherein, The lower tabletop (13) has a book-blocking strip (15) on the top left front side parallel to the front end face. The book-blocking strip (15) is movably connected to the lower tabletop (13), and two rolling book clips (17) are provided on the book-blocking strip (15).

4. The detachable dual-layer multi-functional book holder of claim 1, wherein, The lower tabletop (13) has a pen slot (18) on the front right side of its top surface. The pen slot (18) has a cover and contains a water-erasable pen.

5. The detachable dual-layer multi-functional book holder of claim 1, wherein, The lower tabletop (13) has a file clip (19) on the right rear side of its top surface.

6. The detachable dual-layer multi-functional book holder of claim 2, wherein, The top surface of the connecting rod (14) is provided with hanging rods (28) on both sides, and the hanging rods (28) are connected to the connector (27) by a thin rope.

7. The detachable dual-layer multi-functional book holder of claim 1, wherein, The upper table board device further comprises two supporting legs (21), two rotating shafts (25) and two limiting hooks (22), the two rotating shafts (25) are symmetrically arranged at the front parts of the two side walls of the upper table board (23), the two supporting legs (21) are rotatably arranged at the two sides of the upper table board (23) around the rotating shafts (25), the limiting rods (24) are arranged on the side walls of the upper table board (23) beside the rotating shafts (25), and the two limiting hooks (22) are rotatably arranged on the side walls of the upper table board (23) at the rear ends of the supporting legs (21).

8. The detachable dual-layer multi-functional book holder of claim 7, wherein, The length of the supporting leg (21) is the same as the height of the supporting frame (20).

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