CN213550570U - Adjustable bookshelf - Google Patents

Abstract

The utility model provides an adjustable bookshelf of putting, include: the vertical plate, the placing part, the sliding assembly and the at least one supporting part are arranged on the supporting part, the bottom surface of the placing part is connected with the supporting part, the placing part is enabled to be higher than the desk surface by a certain distance, the vertical plate is arranged on the placing part and connected with the placing part through the sliding assembly, the vertical plate is not prone to toppling when sliding on the placing part, the two vertical plates are connected with the placing part through the sliding assembly, the distance between the two vertical plates can be adjusted according to the number of books, the stability of the vertical plate on the placing part is guaranteed, and the books are prevented from toppling.

Description

Adjustable bookshelf

Technical Field

The utility model relates to a book placing device, in particular to an adjustable book placing shelf.

Background

Students often put the book device in study life, and the book device of putting on the existing market mainly has two kinds, and one kind is the book end, and another kind is hung the storage bag of desk side. The common book end utilizes the friction force of the bottom surface of the book end and the desktop to ensure the stability of books, when books are more, the books are very easy to incline to cause the book end to topple, the book end can not provide stable support for the books, and because more books are generally placed on a student desk, the book space is occupied, the learning comfort level is influenced, although the storage bag does not occupy the position of the desk, the books are not easy to place, a student needs to stretch out the body, the storage bag is filled with the spine, and the student book can be not known to select the book due to the fact that the student book can not see the marks of the spine and the surfaces of the books by the aid of the storage mode.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

Therefore, the utility model provides an adjustable bookshelf of putting, include: the vertical plate can slide on the placing part, and the vertical plate is not easy to topple when sliding on the placing part.

The supporting part comprises a first sliding groove, the first sliding groove is connected with the lower surface of the placing part, the supporting part is inserted into the first sliding groove and is in sliding connection with the first sliding groove, and the supporting part is of a columnar structure.

The placing part is of a plate-shaped structure, the vertical plate is of a plate-shaped structure, a first supporting edge is arranged at one end of the vertical plate, and the first supporting edge is perpendicular to the vertical plate.

The sliding assembly comprises a second sliding groove and a first sliding block, the second sliding groove is symmetrically arranged on the placing portion, the second sliding groove is a strip-shaped groove with one open end, the first sliding block is connected with the lower surface of the first supporting edge, and the first sliding block is connected with the second sliding groove in a sliding mode.

The sliding assembly comprises a third sliding groove, the front end of the third sliding groove is bent to be of a symmetrical L shape, the third sliding groove is connected with the first supporting edge, and the third sliding groove is connected with the placing portion in a sliding mode.

The upper end of the placing part is bent to be of an inverted L-shaped groove-shaped structure and is provided with symmetrical horizontal edges, and the vertical plate is of a plate-shaped structure.

The vertical plate is provided with a second supporting edge, the second supporting edge is perpendicular to the vertical plate, the sliding assembly comprises a first sliding edge, a first clamping structure and a plurality of pairs of first clamping grooves, the first clamping structure is of an inverted convex plate-shaped structure, one end of the first clamping structure is connected with one end of the vertical plate, the other end of the first clamping structure is connected with the first sliding edge, the first sliding edge is perpendicular to the first clamping structure and parallel to the second supporting edge, the second supporting edge is arranged above the first clamping structure, the first sliding edge is in sliding connection with the placing portion, the first clamping grooves are arranged on the horizontal edges of the placing portion, the first clamping grooves are transversely and symmetrically arranged along the central line of the placing portion between the paired first clamping grooves, the first clamping grooves are of a bar groove-shaped structure with one open end, and the first clamping structure can be clamped in the first clamping grooves.

The sliding assembly comprises a second sliding edge, the second sliding edge is connected with the vertical plate and is perpendicular to the vertical plate, and the second sliding edge is in sliding connection with the placing portion.

The sliding assembly comprises a fourth sliding groove, the fourth sliding groove is arranged at the lower end of the vertical plate, the fourth sliding groove comprises a strip-shaped groove and two clamping plates, one end of the strip-shaped groove is open, the two clamping plates are connected with the vertical plate respectively at the upper side and the lower side of the strip-shaped groove, the strip-shaped groove is not shielded, the two clamping plates are parallel to each other and are perpendicular to the vertical plate, the vertical plate extends along the direction of the outer side of the vertical plate, and the vertical plate is connected with the placing part in a.

The vertical plate is provided with a plurality of storage grids, the placing part comprises a first placing plate and a second placing plate, the sliding assembly comprises a fifth sliding groove, the upper end of the fifth sliding groove is bent to be of an inverted L-shaped groove structure, the fifth sliding groove is connected with two sides of the second placing plate, and the first placing plate is connected with the second placing plate in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the vertical plate of the adjustable bookshelf supports books to stand on the placing part, so that students can clearly see marks and surfaces of the books, and can directly select the needed books.

2. The adjustable portion of placing the bookshelf exceeds the desktop certain distance, makes the portion of placing not occupy the desktop space, and the usable desktop space grow of student has improved the comfort level that the student studied, and the student also can place article such as books, learning tools on the desktop simultaneously.

3. The adjustable vertical plate for placing the bookshelf is connected with the placing part in a sliding mode through the sliding mechanism, so that the vertical plate can adjust the distance between the vertical plates according to the number of books, meanwhile, the vertical plate is prevented from being toppled over in the sliding process, and stable supporting force is provided for the books.

4. The adjustable vertical plate for placing the bookshelf is connected with the placing part in a sliding mode through the sliding mechanism, so that the vertical plate is connected with the placing part more stably, and the vertical plate cannot topple over easily when the desktop is shaken.

5. The adjustable bookshelf of putting still is provided with the couple and puts the thing box, and the couple can be used for hanging the drinking cup umbrella, puts the thing box and is used for placing learning tools, has further practiced thrift the space of desktop, improves the comfort level of study.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a supporting portion of an adjustable bookstand according to embodiments 1-12 of the present invention;

FIG. 2 is a schematic structural view of a placing part of an adjustable bookstand according to an embodiment 3-5 of the present invention;

fig. 3 is a schematic view of a first sliding chute structure of an adjustable bookrack according to embodiments 1-12 of the present invention;

fig. 4 is a schematic structural view of a placing part of an adjustable bookstand according to embodiment 4 of the present invention;

fig. 5 is a schematic structural view of a vertical plate of an adjustable bookstand according to embodiment 4 of the present invention;

fig. 6 is a schematic structural view of a vertical plate of an adjustable bookstand according to embodiment 4 of the present invention;

fig. 7 is a schematic structural view of an adjustable bookstand according to embodiment 4 of the present invention;

fig. 8 is a schematic structural view of an adjustable bookstand according to embodiment 4 of the present invention;

fig. 9 is a schematic structural view of an adjustable bookstand according to embodiment 4 of the present invention;

fig. 10 is a schematic structural view of a vertical plate of an adjustable bookstand according to embodiment 5 of the present invention;

fig. 11 is a schematic structural view of an adjustable bookstand according to embodiment 5 of the present invention;

fig. 12 is a schematic structural view of a placing part of an adjustable bookrack according to embodiments 6-9 of the present invention;

fig. 13 is a schematic structural view of a placing part of an adjustable bookstand according to embodiment 6 of the present invention;

fig. 14 is a schematic structural view of a placing part of an adjustable bookstand according to embodiment 7 of the present invention;

fig. 15 is a schematic structural view of a vertical plate of an adjustable bookstand according to embodiment 7 of the present invention;

fig. 16 is a schematic structural view of an adjustable bookstand according to embodiment 7 of the present invention;

fig. 17 is a schematic structural view of an adjustable bookstand according to embodiment 7 of the present invention;

fig. 18 is a schematic structural view of a vertical plate of an adjustable bookstand according to embodiment 8 of the present invention;

fig. 19 is a schematic structural view of an adjustable bookstand according to embodiment 8 of the present invention;

fig. 20 is a schematic structural view of a vertical plate of an adjustable bookstand according to an embodiment 9 of the present invention;

fig. 21 is a schematic structural view of an adjustable bookstand according to embodiment 9 of the present invention;

fig. 22 is a schematic structural view of a vertical plate and a first placing plate of an adjustable bookstand according to an embodiment 10 of the present invention;

fig. 23 is a schematic structural view of a vertical plate and a second placing plate of an adjustable bookstand according to embodiment 10 of the present invention;

fig. 24 is a schematic structural view of an adjustable bookstand according to embodiment 10 of the present invention;

fig. 25 is a schematic structural view of a hook of an adjustable bookstand according to an embodiment 11 of the present invention;

fig. 26 is a schematic structural view of the storage box of the adjustable bookstand according to embodiments 11 and 12 of the present invention;

fig. 27 is a schematic structural view of an adjustable bookstand according to embodiments 11 and 12 of the present invention;

fig. 28 is a schematic structural view of an adjustable bookstand according to embodiments 11 and 12 of the present invention;

wherein: 1, erecting a plate; 2, a placing part; 3 a support part; 4 a first chute; 5 a first support edge; 6 a second chute; 7 a first slider; 71 a sliding end; 72 a positioning end; 8 a third chute; 9, a storage box; 10 a second support edge; 11 a first sliding edge; 12 a first engaging structure; 13 a first card slot; 14 a second sliding edge; 15 a fourth chute; 16, clamping plates; 17, placing grids; 18 a fifth runner; 19, hooking; 20, a storage box; 21 a first placing plate; 22 second resting plate.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

An adjustable bookstand according to some embodiments of the present invention will be described with reference to fig. 1 to 27.

Example 1: as shown in fig. 1 to 27, the present invention provides an adjustable bookshelf, comprising: riser 1, placing part 2, slip subassembly and at least one supporting part 3, placing part 2 is located supporting part 3, and placing part 2's bottom surface is connected with supporting part 3, makes placing part 2 exceed desk surface certain distance, and riser 1 sets up on placing part 2, and riser 1 is connected with placing part 2 through the slip subassembly, when making riser 1 slide on placing part 2, is difficult for empting.

In this embodiment, the placing part 2 is used for placing books, the placing part 2 is located on the supporting part 3, and is connected with the supporting part 3, the supporting part 3 supports the placing part 2, make the placing part 2 exceed the desk surface by a certain distance, thereby not occupying the usable floor area of the desk, the number of the vertical plates 1 is two, the vertical plates 1 are arranged on the placing part 2, the books are placed between the two vertical plates 1, the vertical plates 1 are used for supporting the books, make the books stand on the placing part 2, the two vertical plates 1 are connected with the placing part 2 through the sliding assembly, both can adjust the distance between the two vertical plates 1 according to the number of the books, the stability of the vertical plates 1 on the placing part 2 is ensured, for providing stable support, prevent the books from toppling over.

Example 2: as shown in fig. 7 to 27, the supporting portion 3 includes a first sliding slot 4, the first sliding slot 4 is connected to the lower surface of the placing portion 2, the supporting portion 3 is inserted into the first sliding slot 4 and slidably connected to the first sliding slot 4, and the supporting portion 3 is in a cylindrical structure.

In this embodiment, the first sliding groove 4 is connected to the lower surface of the placing portion 2, the supporting portion 3 is a columnar structure, the top end of the supporting portion 3 is a regular hexagon, the top end of the supporting portion 3 can be inserted into the first sliding groove 4 and is slidably connected to the first sliding groove 4, so that the position of the supporting portion 3 can be adjusted according to the number and the placing position of books, the placing portion 2 is stably supported by the supporting portion 3, the bottom end of the supporting portion 3 is disc-shaped, and further, the stable support is provided for the placing portion 2, and in a specific operation, when the number of the supporting portions 3 is plural, the supporting portion 3 can be a combination with the first sliding groove 4 and without the first sliding groove 4.

Example 3: as shown in fig. 2 to 11, the placing portion 2 is a plate-shaped structure, the vertical plate 1 is a plate-shaped structure, one end of the vertical plate 1 is provided with a first supporting edge 5, and the first supporting edge 5 is perpendicular to the vertical plate 1.

In this embodiment, the first supporting edge 5 is perpendicular to the vertical plate 1, and can provide a supporting force for the vertical plate 1 vertically standing on the placing part 2.

Example 4: as shown in fig. 4 to 9, the sliding assembly includes a second sliding chute 6 and a first sliding block 7, the second sliding chute 6 is symmetrically disposed on the placing portion 2, the second sliding chute 6 is a strip-shaped groove with an open end, the first sliding block 7 is connected with the lower surface of the first supporting edge 5, and the first sliding block 7 is slidably connected with the second sliding chute 6.

In this embodiment, the placing portion 2 is a plate-shaped structure, two second sliding grooves 6 are symmetrically arranged on the placing portion 2, the second sliding grooves 6 are strip-shaped grooves with one open end, the vertical plate 1 is a plate-shaped structure, the number of the vertical plates 1 is two, one end of the vertical plate 1 is provided with a first supporting edge 5, the first supporting edge 5 is perpendicular to the vertical plate 1 and provides support for the vertical plate 1, a first slider 7 is connected to the lower surface of the first supporting edge 5, the first slider 7 comprises a sliding end 71 and a positioning end 72, the sliding end 71 is connected with the positioning end 72, the sliding end 71 is a columnar structure, the positioning end 72 is a disc-shaped structure, the diameter of the sliding end 71 is smaller than the groove distance of the second sliding grooves 6, the diameter of the positioning end 72 is larger than the groove distance of the second sliding grooves 6, so that the first slider 7 can slide and can be positioned in the second sliding grooves 6, and the vertical plate 1 can adjust the distance between the two vertical, and press from both sides tight location to books, for books provide firm support, in concrete operation, riser 1 is a whole with first support limit 5, and first sliding block can deviate central point slightly and put, makes first sliding block lean on the back as far as possible, when books are placed in the space between portion 2 and the desk of placing, prevents that books from colliding first sliding block and destroying the page, and sliding end 71 sets to the square, prevents that riser 1 from rotating.

Example 5: as shown in fig. 10 and 11, the sliding assembly includes a third sliding chute 8, the front end of the third sliding chute 8 is bent to be symmetrical L-shaped, the third sliding chute 8 is connected with the first supporting edge 5, and the third sliding chute 8 is connected with the placing portion 2 in a sliding manner.

In this embodiment, the placing part 2 and the vertical plate 1 are both flat, the number of the vertical plates 1 is two, one end of each vertical plate 1 is provided with a first supporting edge 5, the first supporting edge 5 is perpendicular to the vertical plate 1 to provide support for the vertical plate 1 vertically arranged on the placing part 2, the front end of the third chute 8 is bent to be symmetrical L-shaped, the third chute 8 is connected with the first supporting edge 5, the third chute 8 is matched with the placing part 2 to enable the third chute 8 to slide on the placing part 2, in a specific operation, the vertical plate 1, the first supporting edge 5 and the third sliding groove 8 can be arranged as a whole, the third sliding chute 8 slides on the placing part 2, so that the vertical plates 1 can adjust the distance between the vertical plates 1 according to the number of books, meanwhile, the vertical plate 1 is prevented from toppling in the sliding process, and in the specific operation, the vertical plate 1, the first supporting edge 5 and the third sliding chute 8 are integrated.

Example 6: as shown in fig. 12 to 21, 27 and 28, the upper end of the placing part 2 is bent to have an inverted L-shaped groove-like structure and has symmetrical horizontal sides, the receiving case 9 may be further provided on the lower surface of the placing part 2, and the upright plate 1 has a plate-like structure.

In this embodiment, both sides of the placing part 2 are bent upward to form a groove-like structure of an inverted L shape, a middle horizontal portion of the placing part 2 can be used for placing books, a storage box 9 can be further provided on a lower surface of the placing part 2, and the storage box 9 can be integrated with the placing part 2 in a specific operation.

Example 7: as shown in fig. 14 to 17, a second supporting edge 10 is disposed on the vertical plate 1, the second supporting edge 10 is perpendicular to the vertical plate 1, the sliding assembly includes a first sliding edge 11, a first engaging structure 12 and a plurality of pairs of first engaging grooves 13, the first engaging structure 12 is an inverted convex plate-shaped structure, one end of the first engaging structure 12 is connected to one end of the vertical plate 1, the other end of the first engaging structure 12 is connected to the first sliding edge 11, the first sliding edge 11 is perpendicular to the first engaging structure 12, the first sliding edge 11 is parallel to the second supporting edge 10, the second supporting edge 10 is disposed above the first engaging structure 12, the first sliding edge 11 is slidably connected to the placing portion 2, the first engaging grooves 13 are disposed on the horizontal edge of the placing portion 2, and the paired first card slots 13 are transversely and symmetrically arranged along the central line of the placing part 2, the first card slots 13 are in a strip-shaped groove-shaped structure with one open end, and the first clamping structure 12 can be clamped in the first card slots 13.

In this embodiment, the vertical plate 1 is a plate-shaped structure, the number of the vertical plates 1 is two, the vertical plates 1 are vertically arranged on the placing portion 2, the sliding assembly includes a first sliding edge 11, a first engaging structure 12 and a plurality of pairs of first engaging grooves 13, the plurality of pairs of first engaging grooves 13 are arranged on the horizontal edge of the placing portion 2 for adjusting the distance between the vertical plates 1, the first engaging structure 12 is an inverted convex plate-shaped structure, the top end of the first engaging structure 12 is connected with the lower bottom edge of the vertical plate 1, so that the first engaging structure 12 and the vertical plate 1 form a plate surface, the horizontal edge at the corner of the first engaging structure 12 can be engaged in the first engaging groove 13, the first sliding edge 11 is arranged at the bottom end of the first engaging structure 12 and is perpendicular to the first engaging structure 12, the vertical edge at the corner of the first engaging structure 12 and the side surface of the first sliding edge 11 are on a plane, the length of the first sliding edge 11 is equal to the length of the bottom edge of the, the second supporting edge 10 is disposed above the first engaging structure 12 and perpendicular to the vertical plate 1, the second supporting edge 10 is parallel to the first sliding edge 11, the length of the second supporting edge 10 is not less than the width of the placing portion 2, and the plurality of pairs of first engaging grooves 13 may be bilaterally symmetrical along the central line of the placing portion 2. In the concrete operation, the vertical plate 1, the first clamping structure 12, the first sliding edge 11 and the second supporting edge 10 can be arranged as a whole, and when in use, the vertical plate 1 is lifted upwards, the horizontal edge of the corner of the first clamping structure 12 is separated from the first clamping groove 13, the vertical edge of the first clamping structure 12 of the vertical plate 1 and the two side surfaces of the first sliding edge 11 can slide in the groove-shaped structure of the placing part 2, according to the number of books, the vertical plate 1 is slid to a proper position, and the first clamping structure 12 is clamped in the corresponding first clamping groove 13 for positioning, at this time, the vertical distance between the second supporting edge 10 and the first sliding edge 11 is equal to the height of the placing part 2, the second supporting edge 10 can be lapped at the groove opening of the placing part 2, the opposite plate 1 plays a supporting role, and the first sliding edge 11 perpendicular to the first engaging structure 12 further supports the opposite plate 1, so that the opposite plate 1 is more stable.

Example 8: as shown in fig. 18 and 19, the sliding assembly includes a second sliding edge 14, the second sliding edge 14 is connected to the vertical plate 1 and perpendicular to the vertical plate 1, and the second sliding edge 14 is slidably connected to the placing portion 2.

In this embodiment, two sides of the placing portion 2 are bent upward to form an inverted L-shaped groove-shaped structure, a book can be placed on the middle horizontal portion of the placing portion 2, the number of the vertical plates 1 is two, the vertical plates 1 are plate-shaped, the vertical plates 1 are vertically arranged on the placing portion 2, the number of the second sliding edges 14 is two, the second sliding edges 14 are connected with the vertical plates 1 and perpendicular to the vertical plates 1, in a specific operation, the vertical plates 1 and the second sliding edges 14 are integrated, the height of the groove of the placing portion 2 is slightly larger than the thickness of the second sliding edges 14, the second sliding edges 14 can be inserted into the groove-shaped structure of the placing portion 2 and are slidably connected with the placing portion 2, so that the vertical plates 1 can slide on the placing portion 2, the vertical plates 1 can adjust the distance between the vertical plates 1 according to the number of books, and the vertical plates 1 are prevented from falling down in a. Of course, the vertical plate 1 may have other shapes, such as a frame structure, and may include a plurality of storage compartments 17 for storing articles.

Example 9: as shown in fig. 20, fig. 21, fig. 27 and fig. 28, the sliding assembly includes a fourth chute 15, the fourth chute 15 is disposed at the lower end of the vertical plate 1, the fourth chute 15 includes a strip-shaped groove and two clamp plates 16, one end of the strip-shaped groove is open, the two clamp plates 16 are respectively connected with the vertical plate 1 at the upper side and the lower side of the strip-shaped groove, the strip-shaped groove is not blocked, the two clamp plates 16 are parallel and are both perpendicular to the vertical plate 1 and extend along the outer side direction of the vertical plate 1, and the vertical plate 1 is slidably connected with the placing part 2 through the fourth chute 15.

In this embodiment, the vertical plate 1 is a plate-shaped structure, the number of the vertical plate 1 is two, the vertical plate 1 is vertically arranged on the placing part 2, the fourth sliding grooves 15 are arranged at the lower end of the vertical plate 1, the number of the fourth sliding grooves 15 is four, the lower end of each vertical plate 1 is provided with two fourth sliding grooves 15, each fourth sliding groove 15 comprises a strip-shaped groove and two clamping plates 16, one end of each strip-shaped groove is open, the width of each strip-shaped groove is slightly larger than the thickness of the placing part 2 in consideration of the thickness of the placing part 2, the horizontal edge of the placing part 2 can be inserted into each strip-shaped groove, so that the vertical plate 1 can slide on the placing part 2, the two clamping plates 16 are respectively connected with the vertical plate 1 at the upper edge and the lower edge of each strip-shaped groove, the two clamping plates 16 are parallel and are both perpendicular to the vertical plate 1, the clamping plate 16 above extends, the messenger is located the splint 16 extending direction of two riser 1 tops and deviates from mutually, and the splint 16 extending direction that is located the below can deviate from mutually, also can be in opposite directions, and the distance between two parallel splint 16 equals the width in bar groove, makes two parallel plates not shelter from the bar groove, provides the holding power for riser 1 again simultaneously, and in concrete operation, riser 1 is a whole with fourth spout 15.

Example 10: as shown in fig. 22 to 24, a plurality of storage compartments 17 are provided on the vertical plate 1, the placing part 2 includes a first placing plate 21 and a second placing plate 22, the sliding assembly includes a fifth sliding groove 18, the upper end of the fifth sliding groove 18 is bent to form an inverted L-shaped groove structure, the fifth sliding groove 18 is connected to two sides of the second placing plate 22, and the first placing plate 21 is slidably connected to the second placing plate 22.

In this embodiment, the number of the vertical plates 1 is two, one vertical plate 1 is in a box-shaped structure similar to a trapezoid, the other vertical plate 1 is in a box-shaped structure similar to a triangle, the vertical plate 1 is provided with a plurality of storage cells, and the upper surface of one vertical plate 1 is provided with an opening, can be used for placing higher articles, such as a water cup, the opposite surfaces of the two vertical plates 1 are parallel to clamp a book tightly, the placing part 2 comprises a first placing plate 21 and a second placing plate 22, one vertical plate 1 is fixedly arranged on the first placing plate 21, the other vertical plate 1 is fixedly arranged on the second placing plate 22, the fifth chute 18 is arranged on the second placing plate 22, the first placing plate 21 can slide in the fifth chute 18, so that the first placing plate 21 is slidably coupled to the second placing plate 22, thereby adjusting the distance between the two vertical plates 1, in a specific operation, the fifth sliding chute 18 and the second placing plate 22 are a whole, but the shape of the vertical plate 1 can be set to other shapes.

Example 11: as shown in fig. 25 to 28, at least one hook 19 may be further provided on the outer side of the riser 1.

In this embodiment, the outer side of the vertical plate 1 is provided with a hook 19, which is convenient for students to hang small articles.

Example 12: as shown in fig. 26 to 28, the outer side of the vertical plate 1 can be further provided with a storage box 20, one side of the storage box 20 is provided with a strip-shaped groove, and the strip-shaped groove is matched with the hook 19 at the outer side of the vertical plate 1, so that the storage box 20 can be hung on the hanging structure, and can be timely detached when the storage box 20 is not needed.

Claims (10)

1. An adjustable bookshelf, comprising: the vertical plate is arranged on the placing part, the bottom surface of the placing part is connected with the supporting part, the placing part is enabled to be higher than the surface of the desk for a certain distance, the vertical plate is arranged on the placing part, the vertical plate is connected with the placing part through the sliding assembly, and the vertical plate can slide on the placing part to adjust the distance between the vertical plates.

2. The adjustable bookrack of claim 1, wherein the supporting portion includes a first sliding groove connected to a lower surface of the placing portion, the supporting portion is inserted into the first sliding groove and slidably connected to the first sliding groove, and the supporting portion has a cylindrical structure.

3. The adjustable bookshelf according to claim 2, wherein the placing part is a flat plate structure, the vertical plate is a plate structure, one end of the vertical plate is provided with a first supporting edge, and the first supporting edge is perpendicular to the vertical plate.

4. The adjustable bookshelf according to claim 3, wherein the sliding assembly comprises a second sliding groove and a first sliding block, the second sliding groove is symmetrically arranged on the placing part, the second sliding groove is a strip-shaped groove with an opening at one end, the first sliding block is connected with the lower surface of the first supporting edge, and the first sliding block is connected with the second sliding groove in a sliding manner.

5. The adjustable bookstand according to claim 3, wherein the sliding assembly includes a third sliding groove, the front end of the third sliding groove is bent to be symmetrical L-shaped, the third sliding groove is connected to the first supporting edge, and the third sliding groove is slidably connected to the placing portion.

6. The adjustable bookstand according to claim 2, wherein the upper end of the placing part is bent to form an inverted L-shaped groove structure and has symmetrical horizontal edges, and the vertical plate is in a plate-shaped structure.

7. The adjustable bookstand according to claim 6, wherein the vertical plate is provided with a second supporting edge, the second supporting edge is perpendicular to the vertical plate, the sliding component comprises a first sliding edge, a first clamping structure and a plurality of pairs of first clamping grooves, the first clamping structure is of an inverted convex plate-shaped structure, one end of the first clamping structure is connected with one end of the vertical plate, the other end of the first clamping structure is connected with the first sliding edge, the first sliding edge is perpendicular to the first clamping structure, the first sliding edge is parallel to the second supporting edge, the second supporting edge is arranged above the first clamping structure, the first sliding edge is connected with the placing part in a sliding mode, the first clamping grooves are arranged on the horizontal edge of the placing part, and the paired first clamping grooves are transversely and symmetrically arranged along the central line of the placing part, the first clamping grooves are of strip-shaped groove-shaped structures with one ends opened, and the first clamping structures can be clamped in the first clamping grooves.

8. The adjustable bookstand according to claim 6, wherein the sliding assembly includes a second sliding edge, the second sliding edge is connected to the vertical plate and perpendicular to the vertical plate, and the second sliding edge is slidably connected to the placing portion.

9. The adjustable bookshelf according to claim 6, wherein the sliding assembly comprises a fourth sliding groove, the fourth sliding groove is disposed at a lower end of the vertical plate, the fourth sliding groove comprises a strip-shaped groove and two clamping plates, one end of the strip-shaped groove is open, the two clamping plates are respectively connected with the vertical plate at the upper side and the lower side of the strip-shaped groove and do not block the strip-shaped groove, the two clamping plates are parallel and are both perpendicular to the vertical plate and extend along the outer side direction of the vertical plate, and the vertical plate is slidably connected with the placing part through the fourth sliding groove.

10. The adjustable bookshelf according to claim 2, wherein a plurality of storage cells are arranged on the vertical plate, the placing part comprises a first placing plate and a second placing plate, the sliding assembly comprises a fifth sliding groove, the upper end of the fifth sliding groove is bent to form an inverted L-shaped groove structure, the fifth sliding groove is connected with two sides of the second placing plate, and the first placing plate is connected with the second placing plate in a sliding manner.

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