CN220236389U - Folding bookshelf - Google Patents

Abstract

The application relates to a folding bookshelf, and relates to the technical field of bookshelf. The folding bookshelf comprises a bottom plate, a first vertical plate and a second vertical plate; one end of the first vertical plate is pivoted at one end of the bottom plate, and the other end of the first vertical plate can swing towards the upper side surface or the lower side surface of the bottom plate; one end of the second vertical plate is pivoted to the other end of the bottom plate, and the other end of the second vertical plate can swing towards the upper side surface or the lower side surface of the bottom plate; the first vertical plate and the second vertical plate are opposite in interval when both swing to an upright state; a locking structure for keeping the first vertical plate and the second vertical plate in a vertical fixed state is arranged between the first vertical plate and the bottom plate. The folding bookshelf in this application is fixed through the locking structure locking, can improve the stable reliability that the bookshelf used. The height of the whole bookshelf after being folded is only equal to or close to the sum of the thicknesses of the bottom plate, the first vertical plate and the second vertical plate, so that the bookshelf is convenient to transport, store or carry.

Description

Folding bookshelf

Technical Field

The application relates to the technical field of bookshelves, in particular to a folding bookshelf.

Background

Book shelves (bookshelfs) are devices that people use to store books specifically. The bookshelf has different forms and structures and has different names such as bookcases, book partitions and the like. The traditional bookshelf is usually fixed, does not have a folding and containing function, and is large in occupied area, heavy and inconvenient to carry.

Some small-sized bookshelf capable of being disassembled and assembled appear on the market, the bookshelf is complicated to assemble, inconvenient to use and easy to lose parts, so that the bookshelf cannot be used.

In the related art, a plurality of foldable small-sized bookshelf is also arranged at the side of a desk for use, and the bookshelf has the problems of large volume after being folded and unstable after being unfolded.

Disclosure of Invention

In order to improve compactness after the bookshelf is folded and stability when using, the application provides a folding bookshelf.

The application provides a folding bookshelf adopts following technical scheme:

a folding bookshelf comprises a bottom plate, a first vertical plate and a second vertical plate; one end of the first vertical plate is pivoted to one end of the bottom plate, and the other end of the first vertical plate can swing towards the upper side surface or the lower side surface of the bottom plate; one end of the second vertical plate is pivoted to the other end of the bottom plate, and the other end of the second vertical plate can swing towards the upper side surface or the lower side surface of the bottom plate; the first vertical plate and the second vertical plate are opposite in interval when both swing to an upright state; and a locking structure for keeping the first vertical plate and the second vertical plate in an upright fixed state is arranged between the first vertical plate and the bottom plate and between the second vertical plate and the bottom plate.

Through adopting above-mentioned technical scheme, whole bookshelf is when using, and the bottom plate is placed on the desktop or on the mesa, and first riser and second riser are the state of erectting after turning over, and books can be placed on the bottom plate and by the centre gripping between first riser and second riser, carry out the locking through locking structure between first riser and second riser and the bottom plate and fix to prevent effectively that first riser and second riser from empting, improve the stable reliability that bookshelf used. When the bookshelf is not used, the first vertical plate and the second vertical plate are swung and folded to the upper side surface or the lower side surface of the bottom plate, so that the bottom plate, the first vertical plate and the second vertical plate are close to each other, the height of the whole bookshelf is only equal to or close to the sum of the thicknesses of the three plates, the volume of the whole bookshelf is greatly reduced, the occupied space of the whole bookshelf is reduced, and the bookshelf is convenient to transport, store or carry.

Optionally, the locking structure comprises a first supporting connecting rod, a second supporting connecting rod and a limiting plate fixedly arranged on one side of the bottom plate; the limiting plate is provided with a first limiting sliding hole and a second limiting sliding hole respectively, and the first limiting sliding hole and the second limiting sliding hole are both in a strip shape and are arranged along the length direction of the bottom plate; one end of the first supporting connecting rod is hinged with one side of the first vertical plate, and the other end of the first supporting connecting rod is slidably connected in the first limiting sliding hole through a first connecting pin; one end of the second supporting connecting rod is hinged with one side of the second vertical plate, and the other end of the second supporting connecting rod is slidably connected in the second limiting sliding hole through a second connecting pin.

Through adopting above-mentioned technical scheme, when first riser swings, drive first support connecting rod action, the one end of first support connecting rod swings relatively with first riser, and the other end slides in first spacing sliding hole, and when first connecting pin slid extreme position, first riser also just in time swings to erect the state, plays to pull spacing effect to first riser through first support connecting rod, keeps its stability. Similarly, when the second vertical plate swings, the second supporting connecting rod is driven to act, one end of the second supporting connecting rod swings relative to the second vertical plate, the other end of the second supporting connecting rod slides in the second limiting sliding hole, when the second connecting pin slides to the limiting position, the second vertical plate just swings to be in an upright state, and the second supporting connecting rod plays a pulling limiting role on the second vertical plate to keep the second vertical plate stable.

Optionally, a notch is provided at the middle part of the other side of the first vertical plate and/or the middle part of the other side of the second vertical plate.

Through adopting above-mentioned technical scheme, through setting up the breach, be convenient for take or place books.

Optionally, a first clamping groove is formed in the side wall of the end part of the first limiting sliding hole, and when the first vertical plate swings to an upright state, the first connecting pin slides into the first clamping groove; and a second clamping groove is formed in the side wall of the end part of the second limiting sliding hole, and when the second vertical plate swings to an upright state, the second connecting pin slides into the second clamping groove.

Through adopting above-mentioned technical scheme, when first riser and second riser swing to erect the state, first connecting pin slides to first draw-in groove, the second connecting pin slides to the second draw-in groove prevents that first connecting pin and second connecting pin from sliding in opposite directions to avoid first riser and second riser to empty relatively, thereby further guaranteed the stability of bookshelf.

Optionally, the locking structure includes a damping hinge disposed at a pivot joint of the first vertical plate and the second vertical plate with the bottom plate.

Through adopting above-mentioned technical scheme, damping hinge can play certain steady rest first riser and the effect of second riser, and simple structure, convenient to use.

Optionally, a rope penetrating hole is formed in the bottom plate, and the rope penetrating hole is long and is arranged along the length direction of the bottom plate.

By adopting the technical scheme, ropes such as binding belts can pass through the rope holes to be bound and fixed with the supporting bodies such as a table and a supporting table below, so that the supporting bodies and the bookshelf are combined into the portable bookshelf with a certain height, and the portable bookshelf is used in various different occasions.

Optionally, the both ends of bottom plate are provided with respectively and upwards turn over first folded plate and the second folded plate of book formation, the tip pin joint of first riser is in the upside of first folded plate, the tip pin joint of second riser is in the upside of second folded plate.

Through adopting above-mentioned technical scheme, when folding the bookshelf, first riser and second riser all roll over to the upper side of bottom plate, form the space that holds first riser and second riser between first folded plate and the second folded plate, avoid first riser and second riser folding mutual collision interference to guarantee that first riser and second riser are folding in place and keep stable.

Optionally, the first folded plate has a height greater than a height of the second folded plate, the height of the first folded plate is equal to the sum of the thickness of the first vertical plate and the thickness of the second vertical plate, and the height of the second folded plate is equal to the thickness of the second vertical plate; or the height of the second folded plate is larger than that of the first folded plate, the height of the first folded plate is equal to the thickness of the first vertical plate, and the height of the second folded plate is equal to the sum of the thickness of the first vertical plate and the thickness of the second vertical plate.

Through adopting above-mentioned technical scheme, pin joint structure between first riser and second riser and the bottom plate can be done very accurately, reduces the space, and after folding to the upper side of bottom plate turning on one's side of first riser and second riser, bottom plate, first riser and second riser closely paste together, further reduced the volume of bookshelf, and more closely knit, bearing capacity is strong, can a plurality of bookshelf multilayer stacks, is difficult for being crushed.

Optionally, a plurality of supporting leg rods are arranged at one end of the first vertical plate and one end of the second vertical plate pivoted with the bottom plate; when the first vertical plate and the second vertical plate are turned to be in an upright state, the supporting foot rods on the first vertical plate are in an upright state, the circumferential surfaces of the supporting foot rods on the first vertical plate are propped against the outer side surfaces of the first folded plates, and the supporting foot rods on the second vertical plate are also in an upright state, and the circumferential surfaces of the supporting foot rods on the second vertical plate are propped against the outer side surfaces of the second folded plates.

By adopting the technical scheme, the plurality of supporting foot rods play a role in supporting the bookshelf, so that the bookshelf can be in an overhead state, and air at the bottom of the bookshelf is convenient to circulate, thereby keeping dry and protecting books; meanwhile, the table top or table top on which the bookshelf is placed can be prevented from being damaged due to liquid splashing. The supporting leg rod is fixedly connected with the first vertical plate and the second vertical plate, and can be folded together along with the turnover of the first vertical plate and the second vertical plate, so that the overall height of the bookshelf is reduced; the support leg rod is abutted to the first folding plate and the second folding plate to achieve limiting, so that the first vertical plate and the second vertical plate are prevented from being overturned excessively, and the stability and the reliability of the bookshelf during use are further improved.

Optionally, a plurality of connecting cylinders are arranged at the other ends of the first vertical plate and the second vertical plate, and the connecting cylinders on the first vertical plate and the second vertical plate are arranged in one-to-one correspondence with the supporting foot rods on the first vertical plate and the second vertical plate; when a plurality of bookshelf are stacked up and down, in two adjacent bookshelf, the supporting foot pole that is located on the first riser of upper strata and second riser can peg graft in the connection drum that is located the corresponding of first riser and second riser of lower floor.

By adopting the technical scheme, a plurality of bookshelf can be assembled, so that different requirements are met. When the bookshelf is assembled, only the supporting foot rods of the upper bookshelf are needed to be inserted into the connecting cylinders of the lower bookshelf, so that the bookshelf is fast and convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first riser and second riser turn over and are the state of erectting after turning over in this application, and books can be placed on the bottom plate and by the centre gripping between first riser and second riser, carry out the locking through locking structure between first riser and second riser all and the bottom plate and fix to prevent effectively that first riser and second riser from empting, improve the steady reliability that the bookshelf used.

2. After the first vertical plate and the second vertical plate are swung and folded to the upper side face of the bottom plate, the first vertical plate and the second vertical plate are close to each other, so that the height of the whole bookshelf is only equal to or close to the sum of the thicknesses of the three plates, the size of the whole bookshelf is greatly reduced, the occupied space of the whole bookshelf is reduced, and the bookshelf is convenient to transport, store or carry.

3. The supporting leg rod plays a role in supporting the bookshelf, so that the bookshelf can be in an overhead state, and air at the bottom of the bookshelf can be circulated conveniently, so that the bookshelf is kept dry, and books are protected; meanwhile, the table top or table top on which the bookshelf is placed can be prevented from being damaged due to liquid splashing.

4. The support leg rod is fixedly connected with the first vertical plate and the second vertical plate, can be folded together along with the overturning of the first vertical plate and the second vertical plate, reduces the overall height of the bookshelf, and is very convenient; the support leg rod is abutted to the first folding plate and the second folding plate to achieve limiting, so that the first vertical plate and the second vertical plate can be prevented from being overturned excessively, and the stability and the reliability of the bookshelf during use are further improved.

5. The assembly of a plurality of bookshelf can be realized in this application to satisfy different demands. When the bookshelf is assembled, only the supporting foot rods of the upper bookshelf are needed to be inserted into the connecting cylinders of the lower bookshelf, so that the bookshelf is fast and convenient.

Drawings

Fig. 1 is a schematic view showing a first perspective structure of a folding bookshelf in the present application.

Fig. 2 is a second perspective view of the folding bookshelf in the present application.

Fig. 3 is a schematic perspective view of the two folding bookshelf assembled together in the present application.

In the figure:

100. a bottom plate; 11. threading the rope hole; 12. a first folded plate; 13. a second folded plate;

200. a first vertical plate; 21. a notch;

300. a second vertical plate;

400. a locking structure; 41. a first support link; 42. a second support link; 43. a limiting plate; 431. the first limiting slide hole; 432. the second limiting sliding hole; 433. a first clamping groove; 434. a second clamping groove; 44. a first connecting pin; 45. a second connecting pin;

500. a support leg;

600. the cylinder is connected.

Detailed Description

The present application is described in further detail below with reference to fig. 1-3.

Example 1

Referring to fig. 1 and 2, the folding bookshelf in the present application includes a bottom plate 100, a first vertical plate 200, and a second vertical plate 300; one end of the first vertical plate 200 is pivoted to one end of the bottom plate 100 and the other end of the first vertical plate 200 can swing towards the upper side or the lower side of the bottom plate 100; one end of the second vertical plate 300 is pivoted to the other end of the bottom plate 100 and the other end of the second vertical plate 300 can swing towards the upper side or the lower side of the bottom plate 100; the first and second risers 200 and 300 are opposite to each other at a distance when they are swung to the erected state. When in use, one side of the bookshelf facing the user is the front side, and the opposite side is the rear side; the front middle portion of the first stand plate 200 and the front middle portion of the second stand plate 300 are provided with notches 21 so as to facilitate the placement or taking of books. The base plate 100 is provided with the rope penetrating holes 11, the rope penetrating holes 11 are long and are arranged along the length direction of the base plate 100, ropes such as binding belts can penetrate through the rope penetrating holes 11 to be bound and fixed with supporting bodies such as a table and a supporting table below, and the portable bookshelf with a certain height is formed by combining the supporting bodies with the bookshelf, so that the portable bookshelf is used in various different occasions.

Referring to fig. 1 and 2, a locking structure 400 for maintaining the first and second risers 200 and 300 in an erect and fixed state is provided between the first and second risers 200 and 300 and the base plate 100. Specifically, the locking structure 400 includes a first support link 41, a second support link 42, and a limiting plate 43 fixed on one side of the bottom plate 100; the limiting plate 43 is respectively provided with a first limiting slide hole 431 and a second limiting slide hole 432, the first limiting slide hole 431 and the second limiting slide hole 432 are in the same linear direction, the first limiting slide hole 431 and the second limiting slide hole 432 are both in a strip shape and are arranged along the length direction of the bottom plate 100, and the first limiting slide hole 431 and the second limiting slide hole 432 extend from two ends of the limiting plate 43 to the middle part of the limiting plate 43 respectively; one end of the first support link 41 is hinged with the middle part of the rear side of the first vertical plate 200, and the other end of the first support link 41 is slidably connected in the first limiting slide hole 431 through the first connecting pin 44; one end of the second support link 42 is hinged to the middle of the rear side of the second riser 300, and the other end of the second support link 42 is slidably connected to the second limiting slide hole 432 through the second connection pin 45. When the first vertical plate 200 swings, the first supporting connecting rod 41 is driven to act, one end of the first supporting connecting rod 41 swings relatively to the first vertical plate 200, the other end slides in the first limiting sliding hole 431, when the first connecting pin 44 slides to the limiting position, the first vertical plate 200 just swings to the vertical state, and the first supporting connecting rod 41 plays a pulling limiting role on the first vertical plate 200 to keep the first vertical plate stable. Similarly, when the second vertical plate 300 swings, the second supporting link rod 42 is driven to act, one end of the second supporting link rod 42 swings relatively to the second vertical plate 300, the other end slides in the second limiting sliding hole 432, and when the second connecting pin 45 slides to the limiting position, the second vertical plate 300 just swings to the vertical state, and the second supporting link rod 42 plays a pulling limiting role on the second vertical plate 300, so that the second vertical plate 300 is kept stable.

Referring to fig. 1, a first catching groove 433 is provided on a sidewall of an end of the first limiting slide hole 431, and when the first vertical plate 200 swings to an erect state, the first connection pin 44 slides into the first catching groove 433; when the first riser 200 swings to the erect state, the first connection pin 44 slides to the first catching groove 433. Referring to fig. 2, a second clamping groove 434 is formed on a sidewall of an end of the second limiting slide hole 432, and when the second vertical plate 300 swings to the vertical state, the second connection pin 45 slides into the second clamping groove 434; when the second riser 300 swings to the erect state, the second connection pin 45 slides to the second catching groove 434. Thus, the first and second connection pins 44 and 45 are effectively prevented from sliding in the opposite directions, thereby preventing the first and second vertical plates 200 and 300 from being relatively inclined, and further ensuring the stability of the bookshelf. When the bookshelf needs to be folded, the first connecting pin 44 can be separated from the first clamping groove 433 by slightly applying external force, and the second connecting pin 45 can be separated from the second clamping groove 434. In general, the books apply an outward force to the first and second risers 200 and 300, so that a limit structure for preventing the first and second risers 200 and 300 from being overturned outward is mainly considered, but only needs to be kept from being toppled inward, so that the books can be conveniently placed.

Further, referring to fig. 1 and 2, the two ends of the bottom plate 100 are respectively provided with a first folded plate 12 and a second folded plate 13 formed by folding upwards, the end of the first vertical plate 200 is pivoted on the upper side of the first folded plate 12, the end of the second vertical plate 300 is pivoted on the upper side of the second folded plate 13, when the bookshelf is folded, the first vertical plate 200 and the second vertical plate 300 are folded to the upper side of the bottom plate 100, a space for accommodating the first vertical plate 200 and the second vertical plate 300 is formed between the first folded plate 12 and the second folded plate 13, so that the first vertical plate 200 and the second vertical plate 300 are prevented from being folded to collide with each other, and the first vertical plate 200 and the second vertical plate 300 are ensured to be folded in place and kept stable.

As an optimization scheme, the height of the first folding plate 12 is larger than the height of the second folding plate 13, the height of the first folding plate 12 is equal to the sum of the thickness of the first vertical plate 200 and the thickness of the second vertical plate 300, and the height of the second folding plate 13 is equal to the thickness of the second vertical plate 300; or the height of the second folding plate 13 is greater than the height of the first folding plate 12, the height of the first folding plate 12 is equal to the thickness of the first vertical plate 200, and the height of the second folding plate 13 is equal to the sum of the thickness of the first vertical plate 200 and the thickness of the second vertical plate 300. The pin joint structure between the first vertical plate 200 and the second vertical plate 300 and the bottom plate 100 can be very accurate, the gap is reduced, after the first vertical plate 200 and the second vertical plate 300 are folded towards the upper side of the bottom plate 100, the first vertical plate 200 and the second vertical plate 300 are closely attached together, the volume of the bookshelf is further reduced, the bookshelf is more compact, the bearing capacity is strong, a plurality of bookshelf layers can be stacked, and the bookshelf is not easy to crush.

Referring to fig. 1 and 3, a plurality of supporting leg bars 500 are provided at each end of the first and second vertical plates 200 and 300 pivoted to the base plate 100, and the number of the supporting leg bars 500 on the first and second vertical plates 200 and 300 may be two; when the first vertical plate 200 and the second vertical plate 300 are turned to be in the upright state, the supporting leg bar 500 on the first vertical plate 200 is in the upright state, the circumferential surface of the supporting leg bar 500 on the first vertical plate 200 abuts against the outer side surface of the first folded plate 12, and the supporting leg bar 500 on the second vertical plate 300 is also in the upright state, and the circumferential surface of the supporting leg bar 500 on the second vertical plate 300 abuts against the outer side surface of the second folded plate 13. The other ends of the first vertical plate 200 and the second vertical plate 300 are respectively provided with a plurality of connecting cylinders 600, and the connecting cylinders 600 on the first vertical plate 200 and the second vertical plate 300 are arranged in one-to-one correspondence with the supporting foot rods 500 on the first vertical plate 200 and the second vertical plate 300; when a plurality of bookshelf is stacked up and down, the supporting leg bars 500 on the first vertical plate 200 and the second vertical plate 300 on the upper layer can be inserted into the connecting cylinders 600 corresponding to the first vertical plate 200 and the second vertical plate 300 on the lower layer in the two adjacent bookshelf, so that the plurality of bookshelf can be assembled, and different requirements can be met. When the bookshelf is assembled, only the supporting foot rods 500 of the upper bookshelf are needed to be inserted into the connecting cylinder 600 of the lower bookshelf, so that the bookshelf is very fast and convenient.

The implementation principle is as follows: when the bookshelf is used, the bottom plate 100 is placed on a tabletop or a table top, the first vertical plate 200 and the second vertical plate 300 are turned over to be in an upright state, books can be placed on the bottom plate 100 and clamped between the first vertical plate 200 and the second vertical plate 300, and the first vertical plate 200 and the second vertical plate 300 are locked and fixed with the bottom plate 100 through the locking structure 400. Thereby effectively preventing the first and second vertical plates 200 and 300 from being fallen down, and improving the stability and reliability of the bookshelf. When the bookshelf is not used, the first vertical plate 200 and the second vertical plate 300 are swung and folded to the upper side surface or the lower side surface of the bottom plate 100, so that the bottom plate 100, the first vertical plate 200 and the second vertical plate 300 are close together, the height of the whole bookshelf is only equal to or close to the sum of the thicknesses of the three plates, the volume of the whole bookshelf is greatly reduced, the occupied space of the whole bookshelf is reduced, and the bookshelf is convenient to transport, store or carry about.

Example 2

The present embodiment is substantially the same as embodiment 1, except that the locking structure 400 in the present embodiment includes damping hinges disposed at the pivot points of the first vertical plate 200 and the second vertical plate 300 with the base plate 100. The damping hinge plays a role in stably supporting the first vertical plate 200 and the second vertical plate 300 to a certain extent, and has a simple structure and is convenient to use.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. A folding bookshelf comprises a bottom plate (100), a first vertical plate (200) and a second vertical plate (300); the device is characterized in that one end of the first vertical plate (200) is pivoted at one end of the bottom plate (100), and the other end of the first vertical plate (200) can swing towards the upper side surface or the lower side surface of the bottom plate (100); one end of the second vertical plate (300) is pivoted to the other end of the bottom plate (100), and the other end of the second vertical plate (300) can swing towards the upper side surface or the lower side surface of the bottom plate (100); the first vertical plate (200) and the second vertical plate (300) are opposite in interval when both swing to an upright state; a locking structure (400) for keeping the first vertical plate (200) and the second vertical plate (300) in an upright and fixed state is arranged between the first vertical plate (200) and the second vertical plate (300) and the bottom plate (100).

2. A folding bookshelf according to claim 1, characterized in that the locking structure (400) comprises a first support link (41), a second support link (42) and a limiting plate (43) fixed to one side of the bottom plate (100); the limiting plate (43) is respectively provided with a first limiting slide hole (431) and a second limiting slide hole (432), and the first limiting slide hole (431) and the second limiting slide hole (432) are both in a strip shape and are arranged along the length direction of the bottom plate (100); one end of the first supporting connecting rod (41) is hinged with one side of the first vertical plate (200), and the other end of the first supporting connecting rod (41) is slidably connected in the first limiting sliding hole (431) through a first connecting pin (44); one end of the second supporting connecting rod (42) is hinged with one side of the second vertical plate (300), and the other end of the second supporting connecting rod (42) is slidably connected in the second limiting sliding hole (432) through a second connecting pin (45).

3. The folding bookshelf according to claim 2, wherein a first clamping groove (433) is provided on a side wall of an end portion of the first limiting slide hole (431), and the first connecting pin (44) slides into the first clamping groove (433) when the first vertical plate (200) swings to the vertical state; and a second clamping groove (434) is formed in the side wall of the end part of the second limiting sliding hole (432), and when the second vertical plate (300) swings to the vertical state, the second connecting pin (45) slides into the second clamping groove (434).

4. A folding bookshelf according to claim 1, characterized in that the locking structure (400) comprises damped hinges provided at the pivot points of the first (200) and second (300) risers with the bottom panel (100).

5. A folding bookshelf according to claim 1 or 2 or 3 or 4, characterized in that the base plate (100) is provided with a rope hole (11), the rope hole (11) being elongated and arranged along the length of the base plate (100).

6. A folding bookshelf according to claim 1, 2, 3 or 4, wherein the two ends of the bottom plate (100) are respectively provided with a first folded plate (12) and a second folded plate (13) formed by upwards folding, the end of the first vertical plate (200) is pivoted on the upper side of the first folded plate (12), and the end of the second vertical plate (300) is pivoted on the upper side of the second folded plate (13).

7. A folding bookshelf according to claim 6, characterized in that the first flap (12) has a height greater than the height of the second flap (13), the height of the first flap (12) being equal to the sum of the thickness of the first riser (200) and the thickness of the second riser (300), the height of the second flap (13) being equal to the thickness of the second riser (300); or the height of the second folded plate (13) is larger than that of the first folded plate (12), the height of the first folded plate (12) is equal to the thickness of the first vertical plate (200), and the height of the second folded plate (13) is equal to the sum of the thickness of the first vertical plate (200) and the thickness of the second vertical plate (300).

8. The folding bookshelf according to claim 6, wherein a plurality of supporting legs (500) are provided at one end of the first vertical plate (200) and the second vertical plate (300) pivoted to the bottom plate (100); when the first vertical plate (200) and the second vertical plate (300) are turned to be in an upright state, the supporting foot rods (500) on the first vertical plate (200) are in an upright state, the circumferential surfaces of the supporting foot rods (500) on the first vertical plate (200) are propped against the outer side surfaces of the first folded plates (12), the supporting foot rods (500) on the second vertical plate (300) are also in an upright state, and the circumferential surfaces of the supporting foot rods (500) on the second vertical plate (300) are propped against the outer side surfaces of the second folded plates (13).

9. The folding bookshelf according to claim 8, wherein a plurality of connecting cylinders (600) are arranged at the other ends of the first vertical plate (200) and the second vertical plate (300), and the connecting cylinders (600) on the first vertical plate (200) and the second vertical plate (300) are arranged in one-to-one correspondence with the supporting foot rods (500) on the first vertical plate (200) and the second vertical plate (300); when a plurality of bookshelf are stacked up and down, in two adjacent bookshelf, the supporting foot rod (500) on the first vertical plate (200) and the second vertical plate (300) on the upper layer can be inserted into the connecting cylinder (600) corresponding to the first vertical plate (200) and the second vertical plate (300) on the lower layer.

10. A folding bookshelf according to claim 2, characterized in that the first vertical plate (200) is provided with a notch (21) in the middle of the other side and/or in the middle of the other side of the second vertical plate (300).