CN113080634A

CN113080634A - Adjustable bookshelf for business administration books

Info

Publication number: CN113080634A
Application number: CN202110378079.1A
Authority: CN
Inventors: 赵强; 胡文举; 刘淑萍
Original assignee: Zhengzhou Vocational University of Information and Technology
Current assignee: Zhengzhou Vocational University of Information and Technology
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-07-09

Abstract

The invention discloses an adjustable bookshelf for books of industry and commerce management, which comprises a fixed frame, wherein universal wheels are installed at the lower end of the fixed frame, a fixed plate is fixedly connected at the upper end of the fixed frame, a fixed rod is fixedly connected at the middle part of the fixed plate, first connecting plates are fixedly connected at the left end and the right end of the fixed plate, limiting holes are formed in the middle parts of the upper surfaces of a second connecting plate and a third connecting plate, and limiting columns are arranged in the middle parts of the connecting plates. This bookshelf with adjustable be used for business administration class books is convenient for carry out ventilation and moisture protection to books at the in-process that books were deposited to avoid books surface ash that falls, play the effect of protection to books, be convenient for carry out reasonable accomodating to books and deposit, and seek fast, be convenient for classify according to the different types and the size of books and deposit books, conveniently highly adjusting placing the board, increased the practicality of bookshelf, convenient to use.

Description

Adjustable bookshelf for business administration books

Technical Field

The invention relates to the technical field of industrial and commercial management bookshelves, in particular to an adjustable bookshelf for industrial and commercial management books.

Background

The industrial and commercial management belongs to a management specialty which is very common in market economy, in the process of industrial and commercial management learning, industrial and commercial management books are required to be used for continuous learning and exploration, effective enterprise management and operation decision are carried out by using modern management methods and means according to basic theories such as management science, economics and meeting statistics, the existence and development of enterprises are guaranteed, and high-level comprehensive management talents are cultivated for the enterprises;

the industrial and commercial management books used in the process of industrial and commercial management learning are numerous and need to be reasonably stored, so that an adjustable bookshelf for the industrial and commercial management books is needed, but the industrial and commercial management bookshelf used in the prior art still has certain disadvantages, such as:

1. the existing bookshelf for industrial and commercial management is easy to damp and damage due to ash falling on the surface of a book in the process of storing the book;

2. the existing bookshelf for industrial and commercial management is inconvenient for reasonably storing and rapidly searching books;

3. the current bookshelf for business administration class of being used for, inconvenient classify the books according to the different types and the size of books and deposit, inconvenient highly adjusting to placing the board, it is inconvenient to use.

Therefore, we propose an adjustable bookshelf for business administration books, so as to solve the problems proposed in the above.

Disclosure of Invention

The invention aims to provide an adjustable bookshelf for books of industrial and commercial management, and aims to solve the problems that in the process of storing books, the books are easy to be affected with damp, the surfaces of the books are easy to fall ash, the books are damaged, the books are inconvenient to reasonably store and store, the books are inconvenient to search quickly, the books are inconvenient to store in a classified manner according to different types and sizes of the books, the height of a placing plate is inconvenient to adjust, and the bookshelf is inconvenient to use.

In order to achieve the purpose, the invention provides the following technical scheme: an adjustable bookshelf for industrial and commercial management books comprises a fixed frame, wherein universal wheels are installed at the lower end of the fixed frame, a storage plate is fixedly connected to the inner side wall of the lower end of the fixed frame, ventilation openings are formed in the left end and the right end of the fixed frame, a fixed plate is fixedly connected to the upper end of the fixed frame, a fixed rod is fixedly connected to the middle of the fixed plate, a first connecting plate is fixedly connected to the left end and the right end of the fixed plate, a second connecting plate is arranged at one end, close to the vertical central axis of the fixed frame, of the first connecting plate, a third connecting plate is arranged at one end, close to the vertical central axis of the fixed frame, of the second connecting plate and the third connecting plate, limiting holes are formed in the middle of the upper surfaces of the second connecting plate and the third connecting plate, connecting rods are fixedly connected to the right, the outer surface of the connecting column is sleeved with a first spring;

the middle part of the fixing frame is fixedly connected with a placing plate, the upper surface of the placing plate is provided with limit grooves at equal intervals, the upper end of the placing plate is connected with a clapboard in a sliding way, the lower end of the clapboard is fixedly connected with a second spring, the movable end of the second spring is fixedly connected with a limiting rod, the left side and the right side of the lower end of the placing plate are both rotatably connected with a cross rod, and one end of the cross bar close to the vertical central axis of the fixing frame is fixedly connected with a rotating handle, the inner side walls of the left and right ends of the fixing frame are hinged with supporting rods, and one end of the supporting rod close to the vertical central axis of the fixing frame is provided with a supporting block, the outer side walls of the left and right ends of the fixing frame are both provided with an installation frame, the middle part of the installation frame is fixedly connected with a dust screen, and the upper and lower both ends of installing frame all are provided with fixing device, the front end of mount is provided with the shutter, and the mid-mounting of shutter has the visual window.

Preferably, the single bodies of the storage plates are of an A-shaped structure, and the single bodies of the storage plates are arranged on the inner side wall of the lower end of the fixing frame at equal intervals.

Preferably, the first connecting plate, the second connecting plate and the third connecting plate are all in an L-shaped structure, and the single bodies of the first connecting plate, the second connecting plate and the third connecting plate are symmetrically arranged around the vertical central axis of the fixing plate.

Preferably, the second connecting plate constitutes extending structure in the middle part of first connecting plate, and second connecting plate and third connecting plate all are the through connection with the connected mode of fixed rod.

Preferably, the connection mode of the limiting column and the connecting rod is that the clamping groove is connected, and the middle part of the limiting column is matched with the connecting column.

Preferably, the limiting rod forms an elastic structure at the lower end of the partition board, and the single body of the partition board is vertically arranged on the placing board.

Preferably, the cross bar is connected with the placing plate in a threaded manner, the cross bar is connected with the supporting block in a rotating manner, the supporting block forms a left-right sliding structure at the lower end of the placing plate, and the supporting block is connected with the supporting rod in a hinged manner.

Preferably, the supporting rod is obliquely arranged on the fixing frame, and the supporting rod, the fixing frame and the placing plate are combined to form a triangular structure.

Preferably, the fixing device comprises a fixing column, a third spring and a limiting block, the middle of the fixing column is fixedly connected with the third spring, the movable end of the third spring is fixedly connected with the limiting block, and the fixing column is fixedly connected with the fixing frame.

Preferably, the connection mode of stopper and fixed column is sliding connection, and the connection mode of fixed column and installing frame is through connection to the installing frame is connected for the block with the connection mode of mount, and the stopper is the laminating setting with the installing frame moreover.

Compared with the prior art, the invention has the beneficial effects that: the adjustable bookshelf for the books of the industrial and commercial management is convenient to ventilate and damp the books in the process of storing the books, avoids dust falling on the surfaces of the books, has a protection effect on the books, is convenient to reasonably store and store the books and quickly search the books, is convenient to classify and store the books according to different types and sizes of the books, is convenient to adjust the height of the placing plate, increases the practicability of the bookshelf and is convenient to use;

1. the book shelf is provided with a storage plate, a placing plate, a partition plate and supporting rods, wherein the inner side walls of the single bodies of the storage plate at the lower end of the fixing frame are arranged at equal intervals, books can be conveniently classified and stored and limited, a cross rod is driven to rotate on the placing plate through a rotating handle, the supporting block is pushed to slide on the placing plate through the rotating connection of the supporting block and the cross rod, so that the supporting rods are driven to turn over on the fixing frame, the placing plate is pushed to lift in the fixing frame, the books can be conveniently stored and stored in a reasonable classification mode, the partition plate is arranged, the books can be conveniently limited, and the situation that the books shake when the book shelf is pushed is avoided, and the books are disordered and have;

2. the bookshelf is provided with the ventilation opening, the dustproof net and the fixing device, the ventilation opening is arranged, so that the inside of the bookshelf can be conveniently ventilated, the book is prevented from being wetted, a damp-proof effect is achieved, meanwhile, the dustproof net is arranged, the ventilation can be ensured, dust is prevented from entering the bookshelf, a dustproof effect is achieved on the book, when the dustproof net is too much dust, the limiting block is separated from the mounting frame by pressing the limiting block, the dustproof net is convenient to disassemble and clean, and a better dustproof and damp-proof effect is achieved;

3. be equipped with first connecting plate, second connecting plate and third connecting plate, during the use, through pressing the spliced pole, promote spacing post rebound, spacing post breaks away from with spacing hole, then pulling second connecting plate and third connecting plate, make second connecting plate and third connecting plate slide on the dead lever, the spliced pole is loosened to suitable position in the pulling, advance the spacing hole of relevant position with spacing post card, then place books between first connecting plate and second connecting plate and third connecting plate, be convenient for rationally conclude books and deposit according to the size of different books, seek books fast when conveniently using simultaneously, and it is very convenient to use.

Drawings

FIG. 1 is a front view of a cutaway structure of the present invention;

FIG. 2 is a schematic connecting perspective view of a first connecting plate, a second connecting plate and a third connecting plate according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a sectional view of the connecting front of the spacing column and the connecting column of the present invention;

FIG. 5 is a schematic view of a connection structure of the fixing frame and the shutter according to the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 7 is a schematic side view of the connection between the mounting plate and the partition plate according to the present invention;

FIG. 8 is a front sectional view of the installation frame and the dust screen according to the present invention;

FIG. 9 is a schematic view of a fixing device according to the present invention;

fig. 10 is a front sectional structure diagram of the connection between the mounting frame and the fixing column of the present invention.

In the figure: 1. a fixed mount; 2. a universal wheel; 3. a storage plate; 4. a vent; 5. a fixing plate; 6. fixing the rod; 7. a first connecting plate; 8. a second connecting plate; 9. a third connecting plate; 10. a limiting hole; 11. a connecting rod; 12. a limiting column; 13. connecting columns; 14. a first spring; 15. placing the plate; 16. a limiting groove; 17. a partition plate; 18. a second spring; 19. a limiting rod; 20. a cross bar; 21. turning a handle; 22. a support bar; 23. a support block; 24. installing a frame; 25. a dust screen; 26. a fixing device; 2601. fixing a column; 2602. a third spring; 2603. a limiting block; 27. a shutter; 28. a visible window.

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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: an adjustable bookshelf for business administration books comprises a fixed frame 1, universal wheels 2, a storage plate 3, ventilation openings 4, a fixed plate 5, a fixed rod 6, a first connecting plate 7, a second connecting plate 8, a third connecting plate 9, a limiting hole 10, a connecting rod 11, a limiting column 12, a connecting column 13, a first spring 14, a placing plate 15, a limiting groove 16, a partition plate 17, a second spring 18, a limiting rod 19, a cross rod 20, a rotating handle 21, a supporting rod 22, a supporting block 23, a mounting frame 24, a dust screen 25, a fixing device 26, a baffle door 27 and a visible window 28, wherein the universal wheels 2 are installed at the lower end of the fixed frame 1, the storage plate 3 is fixedly connected to the inner side wall of the lower end of the fixed frame 1, the ventilation openings 4 are formed at the left end and the right end of the fixed frame 1, the fixed plate 5 is fixedly connected to the upper end of the fixed frame 1, the fixed rod 6 is fixedly connected to the middle of the, a second connecting plate 8 is arranged at one end, close to the vertical central axis of the fixing frame 1, of the first connecting plate 7, a third connecting plate 9 is arranged at one end, close to the vertical central axis of the fixing frame 1, of the second connecting plate 8, limiting holes 10 are formed in the middles of the upper surfaces of the second connecting plate 8 and the third connecting plate 9, a connecting rod 11 is fixedly connected to the right ends of the second connecting plate 8 and the first connecting plate 7, a limiting column 12 is arranged in the middle of the connecting rod 11, a connecting column 13 is arranged at one end, close to the vertical central axis of the fixing frame 1, of the limiting column 12, and a first spring 14;

a placing plate 15 is fixedly connected to the middle of the fixing frame 1, limiting grooves 16 are arranged on the upper surface of the placing plate 15 at equal intervals, a partition plate 17 is connected to the upper end of the placing plate 15 in a sliding manner, a second spring 18 is fixedly connected to the lower end of the partition plate 17, a limiting rod 19 is fixedly connected to the movable end of the second spring 18, transverse rods 20 are rotatably connected to the left and right sides of the lower end of the placing plate 15, a rotating handle 21 is fixedly connected to one end of the transverse rod 20 close to the vertical central axis of the fixing frame 1, supporting rods 22 are hinged to the inner side walls of the left and right ends of the fixing frame 1, a supporting block 23 is arranged at one end of the supporting rod 22 close to the vertical central axis of the fixing frame 1, mounting frames 24 are arranged on the outer side walls of the left and right ends of the fixing frame 1, a dust screen 25 is, and a visual window 28 is installed in the middle of the shutter 27.

Like the monomer of fig. 1 and 5 in storage plate 3 be "A" font structure, and storage plate 3's monomer is equidistant setting in the inside wall of mount 1 lower extreme, is convenient for classify and deposit books, and it is very convenient to use.

Like first connecting plate 7, second connecting plate 8 and third connecting plate 9 all be "L" type structure in fig. 1 and fig. 2, and the monomer of first connecting plate 7, second connecting plate 8 and third connecting plate 9 all is the symmetry setting about the perpendicular axis of fixed plate 5, conveniently carries out reasonable accomodating to books according to the size that books are different and deposits to and be convenient for seek books fast.

As shown in fig. 2, the second connecting plate 8 forms a telescopic structure in the middle of the first connecting plate 7, and both the second connecting plate 8 and the third connecting plate 9 are connected with the fixing rod 6 in a penetrating manner, and the second connecting plate 8 and the third connecting plate 9 slide on the fixing rod 6, so that books of different types and sizes can be conveniently classified and stored.

As shown in fig. 3 and 4, the connection mode of the limiting column 12 and the connecting rod 11 is a clamping groove connection, and the middle part of the limiting column 12 is matched with the connecting column 13, so that the second connecting plate 8 and the third connecting plate 9 are limited conveniently.

As shown in fig. 6 and 7, the limiting rod 19 forms an elastic structure at the lower end of the partition 17, and the single body of the partition 17 is vertically arranged on the placing plate 15, so as to conveniently position the partition 17.

As shown in fig. 6, the connection mode of the cross bar 20 and the placing plate 15 is a threaded connection, the connection mode of the cross bar 20 and the supporting block 23 is a rotating connection, the supporting block 23 forms a left-right sliding structure at the lower end of the placing plate 15, and the connection mode of the supporting block 23 and the supporting rod 22 is a hinged connection, so that the cross bar 20 is rotated to push the supporting block 23 to slide on the placing plate 15, thereby driving the supporting rod 22 to turn over on the fixing frame 1.

As shown in fig. 1 and fig. 6, the supporting rod 22 is disposed on the fixing frame 1 in an inclined manner, and the supporting rod 22, the fixing frame 1 and the placing plate 15 are combined to form a triangular structure, so that the placing plate 15 is pushed by the supporting rod 22 to move up and down inside the fixing frame 1.

As in fig. 1 and 9, the fixing device 26 includes a fixing post 2601, a third spring 2602 and a limiting block 2603, the middle part of the fixing post 2601 is fixedly connected with the third spring 2602, the movable end of the third spring 2602 is fixedly connected with the limiting block 2603, the fixing post 2601 is fixedly connected with the fixing frame 1, and the dust screen 25 and the mounting frame 24 are conveniently detached and mounted through the arrangement of the fixing device 26.

Like in fig. 8 and 10 stopper 2603 be sliding connection with fixed column 2601's connected mode, and fixed column 2601 is through connection with installing frame 24's connected mode to installing frame 24 is connected for the block with the connected mode of mount 1, and stopper 2603 is the laminating setting with installing frame 24 in addition, and the convenience is when the dust is too much on dust screen 25, dismantles the clearance to dust screen 25, thereby reaches better dampproofing dustproof effect of ventilating.

The working principle is as follows: when the adjustable bookshelf for the industrial and commercial management books is used, the bookshelf is moved to a proper position through the universal wheels 2, then the stop door 27 is opened, the connecting column 13 is pressed to extrude the first spring 14, so that the first spring 14 is elastically deformed, the connecting column 13 pushes the limiting column 12 to move upwards, the connecting column 13 is connected with the clamping groove of the connecting rod 11, the connecting rod 11 is driven to move upwards, the limiting column 12 is separated from the limiting hole 10, then the second connecting plate 8 and the third connecting plate 9 are pulled, the second connecting plate 8 and the third connecting plate 9 slide on the fixing rod 6, the connecting column 13 is loosened to the proper position by pulling, the first spring 14 recovers elastic deformation, the limiting column 12 moves downwards and is clamped into the limiting hole 10 of the corresponding position, the second connecting plate 8 and the third connecting plate 9 are limited, and then books are placed between the first connecting plate 7 and the second connecting plate 8 and between the third connecting plate 9 The books can be conveniently and reasonably stored according to the sizes and the types of the different books, and the books can be conveniently and rapidly searched when the book storage box is used;

then the rotating handle 21 is rotated to drive the cross bar 20 to rotate on the placing plate 15, the cross bar 20 is rotatably connected with the supporting block 23, the supporting block 23 is pushed to slide on the placing plate 15 through the rotating connection of the supporting block 23 and the cross bar 20, so that the supporting rod 22 is driven to turn over on the fixing frame 1, the placing plate 15 is pushed to lift in the fixing frame 1, books are conveniently stored in a reasonable classification mode, after the placing plate 15 is lifted to a proper position, the books are placed on the placing plate 15, then the limiting rod 19 is pulled to extrude the second spring 18 through the limiting rod 19, so that the second spring 18 generates elastic deformation, the limiting rod 19 slides on the partition plate 17, the lower end of the limiting rod 19 is separated from the limiting groove 16, then the partition plate 17 is slid to be in contact with the books, the limiting rod 19 is released, the second spring 18 recovers the elastic deformation, and the limiting rod 19 is clamped in the limiting groove 16 at a corresponding position, the partition plates 17 are limited, the partition plates 17 are arranged, so that the book limiting effect is facilitated, the situation that when the bookshelf is pushed, the books shake to cause disorder of the books is avoided, meanwhile, the single bodies of the storage plates 3 are arranged on the inner side wall of the lower end of the fixing frame 1 at equal intervals, the books are convenient to store in a classified mode and search, and the books are convenient to limit in the storage process;

after books are stored, the stop door 27 is closed, the books on the bookshelf can be observed through the visual window 28, the ventilation openings 4 are formed in the left end and the right end of the fixing frame 1, ventilation is facilitated for the inside of the bookshelf through the ventilation openings 4, the books are prevented from being affected with damp, a damp-proof effect is achieved, meanwhile, through the arrangement of the dustproof net 25, dust can be prevented from entering the bookshelf while ventilation is achieved, a dustproof effect is achieved for the books, the books in the bookshelf are kept clean and tidy, when too much dust exists on the dustproof net 25, the limiting block 2603 is pressed, the limiting block 2603 extrudes the third spring 2602, the third spring 2602 is elastically deformed, the limiting block 2603 slides on the fixing column 2601, the limiting block 2603 is separated from the mounting frame 24, the dustproof net 25 is convenient to detach and mount, the dust on the dustproof net 25 is convenient to clean, and achieve a better dustproof and damp-proof effect, this is the whole working process of the adjustable bookshelf for managing books by industry and commerce, and the content which is not described in detail in the specification belongs to the prior art which is well known to those skilled in the art.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. An adjustable bookshelf for industrial and commercial management books comprises a fixed frame (1), and is characterized in that: the universal wheel (2) is installed at the lower end of the fixing frame (1), the inner side wall of the lower end of the fixing frame (1) is fixedly connected with a storage plate (3), the left end and the right end of the fixing frame (1) are respectively provided with a vent (4), the upper end of the fixing frame (1) is fixedly connected with a fixed plate (5), the middle part of the fixed plate (5) is fixedly connected with a fixed rod (6), the left end and the right end of the fixed plate (5) are respectively fixedly connected with a first connecting plate (7), one end, close to the vertical central axis of the fixing frame (1), of the first connecting plate (7) is provided with a second connecting plate (8), one end, close to the vertical central axis of the fixing frame (1), of the second connecting plate (8) is provided with a third connecting plate (9), the middle parts of the upper surfaces of the second connecting plate (8) and the third connecting plate (9) are respectively provided with a limiting hole, a limiting column (12) is arranged in the middle of the connecting rod (11), a connecting column (13) is arranged at one end, close to the vertical central axis of the fixing frame (1), of the limiting column (12), and a first spring (14) is sleeved on the outer surface of the connecting column (13);

the middle part of the fixing frame (1) is fixedly connected with a placing plate (15), the upper surface of the placing plate (15) is provided with limit grooves (16) at equal intervals, the upper end of the placing plate (15) is connected with a partition plate (17) in a sliding manner, the lower end of the partition plate (17) is fixedly connected with a second spring (18), the movable end of the second spring (18) is fixedly connected with a limit rod (19), the left side and the right side of the lower end of the placing plate (15) are respectively and rotatably connected with a cross rod (20), one end, close to the vertical central axis of the fixing frame (1), of the cross rod (20) is fixedly connected with a rotating handle (21), the inner side walls at the left end and the right end of the fixing frame (1) are respectively and hingedly connected with a support rod (22), one end, close to the vertical central axis of the fixing frame (1), and the middle part fixedly connected with dust screen (25) of installing frame (24) to the upper and lower both ends of installing frame (24) all are provided with fixing device (26), the front end of mount (1) is provided with shutter (27), and the mid-mounting of shutter (27) has visual window (28).

2. An adjustable bookshelf according to claim 1, wherein: the monomer of depositing board (3) is "A" font structure, and the monomer of depositing board (3) is equidistant setting at mount (1) lower extreme inside wall.

3. An adjustable bookshelf according to claim 1, wherein: first connecting plate (7), second connecting plate (8) and third connecting plate (9) all are "L" type structure, and the monomer of first connecting plate (7), second connecting plate (8) and third connecting plate (9) all is the symmetry setting about the perpendicular central axis of fixed plate (5).

4. An adjustable bookshelf according to claim 1, wherein: the second connecting plate (8) forms a telescopic structure in the middle of the first connecting plate (7), and the second connecting plate (8) and the third connecting plate (9) are connected with the fixing rod (6) in a penetrating mode.

5. An adjustable bookshelf according to claim 1, wherein: the connecting mode of the limiting column (12) and the connecting rod (11) is a clamping groove connection, and the middle part of the limiting column (12) is matched with the connecting column (13).

6. An adjustable bookshelf according to claim 1, wherein: the limiting rod (19) forms an elastic structure at the lower end of the partition board (17), and the single body of the partition board (17) is vertically arranged on the placing board (15).

7. An adjustable bookshelf according to claim 1, wherein: the cross bar (20) is connected with the placing plate (15) in a threaded manner, the cross bar (20) is connected with the supporting block (23) in a rotating manner, the supporting block (23) forms a left-right sliding structure at the lower end of the placing plate (15), and the supporting block (23) is connected with the supporting rod (22) in a hinge manner.

8. An adjustable bookshelf according to claim 1, wherein: the supporting rods (22) are obliquely arranged on the fixing frame (1), and the supporting rods (22), the fixing frame (1) and the placing plate (15) are combined to form a triangular structure.

9. An adjustable bookshelf according to claim 1, wherein: the fixing device (26) comprises a fixing column (2601), a third spring (2602) and a limiting block (2603), the middle of the fixing column (2601) is fixedly connected with the third spring (2602), the movable end of the third spring (2602) is fixedly connected with the limiting block (2603), and the fixing column (2601) is fixedly connected with the fixing frame (1).

10. An adjustable bookshelf according to claim 9, wherein: the connection mode of stopper (2603) and fixed column (2601) is sliding connection, and the connection mode of fixed column (2601) and installation frame (24) is through connection to the connection mode of installation frame (24) and mount (1) is the block connection, and stopper (2603) is the laminating setting with installation frame (24) moreover.