CN211984591U

CN211984591U - Portable reading bookshelf is used in primary school's chinese teaching

Info

Publication number: CN211984591U
Application number: CN202020483195.0U
Authority: CN
Inventors: 马倩
Original assignee: Lintao Nanjie Primary School
Current assignee: Lintao Nanjie Primary School
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-24
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a primary school's chinese teaching is with portable reading bookshelf, including mounting bracket, table, bottom plate, round bar, first backup pad, second backup pad, first fixed plate, spliced pole, book board, diaphragm, activity chamber, side opening, locating plate, second fixed plate, draw-in groove, plectane, card post, stopper, threaded shaft, spacing groove, fixation nut, limiting plate, guide post and spring. The limiting plate can slide by detaching the fixing nut, the clamping column can be pulled away from the inside of the clamping groove, the mounting frame is rotated around the threaded shaft until the front side of the mounting frame is attached to the surface of the desk plate, and then the circular plate is slid to clamp the clamping column and the clamping groove again, so that the mounting frame and the second fixing plate are fixed; can rotate the diaphragm to keep perpendicular with the mounting bracket, retract this moment and can stretch out the external world again to the locating plate of activity intracavity portion under the effect of spring, the side of locating plate this moment can contact with the mounting bracket leading flank to make the locating plate support the diaphragm.

Description

Portable reading bookshelf is used in primary school's chinese teaching

Technical Field

The utility model relates to a portable reading bookshelf specifically is a primary school's chinese teaching is with portable reading bookshelf, belongs to teaching aid technical field.

Background

The bookshelf is one kind of furniture, is also a common tool in people's life, consists of a plurality of shelves capable of holding articles, is generally vertical or horizontal, can be used for storing books, and has other names such as book grids, bookcases, bookcabinets and the like due to different forms and structures; the bookshelf is generally divided into a single-sided bookshelf and a double-sided bookshelf, the bookshelves can be infinitely connected according to frames, the book bookshelf in a school is generally divided into 6 layers, and certainly, the book bookshelf can also be divided into 4 layers and 5 layers according to the situation, each frame in the conventional specification has the width of 900-fold-shaped books with the depth of 1000-fold-shaped books, and the height of the single-sided bookshelf is about 2000 mm.

Among the prior art, can use the bookshelf when primary school's chinese teaching, current bookshelf function is comparatively single, only is used for depositing books usually, can't play the function of desk, and the supplementary reading of not being convenient for, and some reading bookshelves at present are whole great, are unfavorable for folding its and accomodate and carry, and the flexibility is comparatively limited. Therefore, a portable reading bookshelf for primary school Chinese teaching is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable reading bookshelf for primary school's chinese teaching in order to solve the above-mentioned problem.

The utility model realizes the purpose through the following technical proposal, a portable reading bookshelf for primary school Chinese teaching, which comprises a mounting rack, a book board, a connecting column, a transverse plate, a positioning structure, a table board, an adjusting structure, a bottom plate, a round bar, a first supporting plate, a second supporting plate and a first fixing plate which are sequentially arranged from top to bottom;

the positioning structure comprises a movable cavity, a positioning plate, a guide post and a spring, the movable cavity is formed in the transverse plate, the inner part of the movable cavity is sleeved with the limiting plate, and the positioning plate is fixedly connected to one side face of the limiting plate; the guide post is fixedly connected to the other side face of the limiting plate, a side hole is formed in the inner side wall of the movable cavity, the tail end of the guide post is clamped inside the side hole, and the spring is sleeved on the surface of the guide post;

the adjusting structure comprises a second fixing plate, a circular plate, a threaded shaft and a fixing nut, the threaded shaft is fixedly connected to the outer side face of the mounting frame, and the outer end of the threaded shaft penetrates through the second fixing plate; the surface of the threaded shaft is sleeved with the circular plate, the fixing nut is screwed on the surface of the outer end of the threaded shaft, the side surface of the inner side of the circular plate is fixedly connected with a clamping column, the side surface of the outer side of the second fixing plate is provided with a clamping groove, and the clamping column is clamped inside the clamping groove.

Preferably, the equal rigid coupling in both ends of bottom plate bottom has first fixed plate, first backup pad with the top of second backup pad is respectively with two first fixed plate rotates to be connected, just first backup pad with the second backup pad passes through the round bar rotates to be connected.

Preferably, the table is fixedly connected to the top end of the bottom plate, and the second fixing plates are fixedly connected to the side faces of the two sides of the bottom plate.

Preferably, the mounting bracket is U type structure, the inside equidistance of mounting bracket distributes there are two the spliced pole, just the both ends of spliced pole are all passed through the round bar with the inside wall of mounting bracket rotates to be connected.

Preferably, the transverse plates are fixedly connected to the front side faces of the connecting columns, and the book boards are fixedly connected to the top ends of the two adjacent transverse plates.

Preferably, the surface of the threaded shaft is provided with a limiting groove, the inner side wall of the circular plate is fixedly connected with a limiting block, and the limiting block is clamped inside the limiting groove.

The utility model has the advantages that:

1. the utility model discloses a dismantle fixation nut can slide the limiting plate, this moment the card post can be taken out from the inside of draw-in groove to can rotate the mounting bracket around the screw shaft, until laminating the front side of mounting bracket on the surface of table, then slide the plectane again, block card post and draw-in groove again, thereby fix mounting bracket and second fixed plate, be convenient for fold and accomodate and transport;

2. the utility model discloses can directly rotate the diaphragm to keep perpendicular with the mounting bracket, return this moment and contract to the locating plate of activity intracavity portion and can stretch out the external world again under the effect of spring, the side of locating plate this moment can contact with the mounting bracket leading flank to make the locating plate support the diaphragm, expand with this book block, can reach the purpose of placing books, it is comparatively simple during the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the adjusting structure of the present invention;

FIG. 3 is a connection diagram of the circular plate and the threaded shaft according to the present invention;

fig. 4 is a schematic view of the positioning structure of the present invention.

In the figure: 1. mounting bracket, 2, table, 3, bottom plate, 4, round bar, 5, first backup pad, 6, second backup pad, 7, first fixed plate, 8, spliced pole, 9, book board, 10, diaphragm, 101, activity chamber, 1011, side opening, 11, locating plate, 12, second fixed plate, 121, draw-in groove, 13, plectane, 131, calorie post, 132, stopper, 14, screw shaft, 141, spacing groove, 15, fixation nut, 16, limiting plate, 17, guide post, 18, spring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, a portable reading bookshelf for primary school Chinese teaching comprises a mounting frame 1, a book board 9, a connecting column 8, a transverse plate 10, a positioning structure, a table board 2, an adjusting structure, a bottom plate 3, a round bar 4, a first supporting plate 5, a second supporting plate 6 and a first fixing plate 7 which are sequentially arranged from top to bottom;

the positioning structure comprises a movable cavity 101, a positioning plate 11, a guide post 17 and a spring 18, wherein the movable cavity 101 is arranged in the transverse plate 10, the movable cavity 101 is sleeved with a limiting plate 16, and the positioning plate 11 is fixedly connected to one side face of the limiting plate 16; the guide post 17 is fixedly connected to the other side face of the limiting plate 16, a side hole 1011 is formed in the inner side wall of the movable cavity 101, the tail end of the guide post 17 is clamped inside the side hole 1011, and the spring 18 is sleeved on the surface of the guide post 17;

the adjusting structure comprises a second fixing plate 12, a circular plate 13, a threaded shaft 14 and a fixing nut 15, wherein the threaded shaft 14 is fixedly connected to the outer side surface of the mounting rack 1, and the outer end of the threaded shaft 14 penetrates through the second fixing plate 12; the circular plate 13 is sleeved on the surface of the threaded shaft 14, the fixing nut 15 is screwed on the outer end surface of the threaded shaft 14, the inner side surface of the circular plate 13 is fixedly connected with a clamping column 131, the outer side surface of the second fixing plate 12 is provided with a clamping groove 121, and the clamping column 131 is clamped inside the clamping groove 121.

The two ends of the bottom end of the bottom plate 3 are fixedly connected with the first fixing plates 7, the top ends of the first supporting plate 5 and the second supporting plate 6 are respectively rotatably connected with the two first fixing plates 7, the first supporting plate 5 and the second supporting plate 6 are rotatably connected through the round rod 4, and the top structure can be supported through the first supporting plate 5 and the second supporting plate 6; the table plate 2 is fixedly connected to the top end of the bottom plate 3, and the second fixing plates 12 are fixedly connected to the side surfaces of the two sides of the bottom plate 3, so that the second fixing plates 12 can be conveniently connected with the mounting rack 1; the mounting rack 1 is of a U-shaped structure, two connecting columns 8 are distributed in the mounting rack 1 at equal intervals, and two ends of each connecting column 8 are rotatably connected with the inner side wall of the mounting rack 1 through the round rods 4, so that the connecting columns 8 can be conveniently connected with the mounting rack 1; the transverse plates 10 are fixedly connected to the front side surfaces of the connecting columns 8, and the book plates 9 are fixedly connected to the top ends of the two adjacent transverse plates 10, so that the transverse plates 10 and the book plates 9 can be fixed conveniently; the surface of the threaded shaft 14 is provided with a limiting groove 141, the inner side wall of the circular plate 13 is fixedly connected with a limiting block 132, and the limiting block 132 is clamped in the limiting groove 141, so that the threaded shaft 14 and the circular plate 13 are prevented from rotating.

The utility model discloses when using, can keep cross position between them at first through rotating first backup pad 5 and second backup pad 6, thereby will, the bottom of first backup pad 5 and second backup pad 6 is placed subaerial, dismantle fixation nut 15 this moment, can slide limiting plate 16 along spacing groove 141 on the threaded shaft 14 surface, until breaking away from card post 131 from the inside of draw-in groove 121, and then rotate mounting bracket 1 again, make mounting bracket 1 and table 2 keep perpendicular, resume limiting plate 16 to the normal position again, card post 131 can block again in the inside of draw-in groove 121 this moment, thereby fix mounting bracket 1 and bottom plate 3, the person of being convenient for lies prone on table 2 surface;

then rotating diaphragm 10 to keep perpendicular with mounting bracket 1, retracting to the locating plate 11 of the inside of activity chamber 101 this moment and can stretch out the external world under the effect of spring 18 to make the side of locating plate 11 and the contact of mounting bracket 1 leading flank, make this locating plate 11 support diaphragm 10, thereby expand book board 9, reach the purpose of placing books.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a primary school's chinese teaching is with portable reading bookshelf which characterized in that: the book table comprises a mounting frame (1), a book plate (9), a connecting column (8), a transverse plate (10), a positioning structure, a table plate (2), an adjusting structure, a bottom plate (3), a round rod (4), a first supporting plate (5), a second supporting plate (6) and a first fixing plate (7) which are sequentially arranged from top to bottom;

the positioning structure comprises a movable cavity (101), a positioning plate (11), a guide post (17) and a spring (18), the movable cavity (101) is arranged inside the transverse plate (10), the movable cavity (101) is sleeved with a limiting plate (16), and the positioning plate (11) is fixedly connected to the side face of one side of the limiting plate (16); the guide post (17) is fixedly connected to the other side face of the limiting plate (16), a side hole (1011) is formed in the inner side wall of the movable cavity (101), the tail end of the guide post (17) is clamped in the side hole (1011), and the spring (18) is sleeved on the surface of the guide post (17);

the adjusting structure comprises a second fixing plate (12), a circular plate (13), a threaded shaft (14) and a fixing nut (15), the threaded shaft (14) is fixedly connected to the lateral side of the outer side of the mounting frame (1), and the outer end of the threaded shaft (14) penetrates through the second fixing plate (12); the surface of the threaded shaft (14) is sleeved with the circular plate (13), the fixing nut (15) is screwed on the outer end surface of the threaded shaft (14), the inner side surface of the circular plate (13) is fixedly connected with a clamping column (131), the outer side surface of the second fixing plate (12) is provided with a clamping groove (121), and the clamping column (131) is clamped inside the clamping groove (121).

2. The portable reading bookshelf according to claim 1, wherein: the equal rigid coupling in both ends of bottom plate (3) bottom has first fixed plate (7), first backup pad (5) with the top of second backup pad (6) respectively with two first fixed plate (7) rotate to be connected, just first backup pad (5) with second backup pad (6) pass through round bar (4) rotate to be connected.

3. The portable reading bookshelf according to claim 1, wherein: the table plate (2) is fixedly connected to the top end of the bottom plate (3), and the second fixing plates (12) are fixedly connected to the side faces of the two sides of the bottom plate (3).

4. The portable reading bookshelf according to claim 1, wherein: mounting bracket (1) is U type structure, the inside equidistance of mounting bracket (1) distributes there are two spliced pole (8), just the both ends of spliced pole (8) are all passed through round bar (4) with the inside wall of mounting bracket (1) rotates and is connected.

5. The portable reading bookshelf according to claim 1, wherein: the transverse plates (10) are fixedly connected to the front side faces of the connecting columns (8), and the book plates (9) are fixedly connected to the top ends of the adjacent two transverse plates (10).

6. The portable reading bookshelf according to claim 1, wherein: the surface of the threaded shaft (14) is provided with a limiting groove (141), the inner side wall of the circular plate (13) is fixedly connected with a limiting block (132), and the limiting block (132) is clamped inside the limiting groove (141).