CN211672847U - Prevent that books from appearing curling middle and primary school student and using knapsack - Google Patents

Abstract

The utility model discloses an avoid books to appear curly middle and primary school student with knapsack, include inclusion, telescopic link and place the board, the braces has all been sewed up to both sides around the left side of inclusion, the telescopic link is located the inboard of connecting cloth, the bottom inner wall of inclusion is pasted and is placed the box, and places the box around both ends all seted up the slide rail, the inside block of slide rail has the ejector pad, and the inside threaded connection of ejector pad has the screw rod, the inside right side of placing the box is provided with the stripper plate, and places the inside left side of box and inlay and install the backplate, place the board and be located the below of inclusion, and place the below left and right sides of board and all install the universal wheel. This avoid books to appear curling middle and primary school student with knapsack, the page turning part that can avoid books appears curling phenomenon in the inclusion and leads to books to be destroyed, is convenient for change the use form of inclusion, and conveniently accomodates the mobile device in the desk.

Description

Prevent that books from appearing curling middle and primary school student and using knapsack

Technical Field

The utility model relates to a knapsack correlation technique field specifically is a middle and primary school student uses knapsack that curls appears in avoiding books.

Background

The backpack is a common tool for primary and secondary school students, and is convenient for the primary and secondary school students to carry books, the books are more and more along with the increase of the pressure of the academic industry, and the backpack with the pulleys is appeared on the market, namely the backpack is connected with the mobile device, so that the pressure of the students is reduced.

When a book is placed inside a schoolbag, a page turning part of the book is easy to bend, so that the schoolbag is damaged, when the schoolbag is moved by a moving device, the moving device is inconvenient to separate from the schoolbag, the using form of the schoolbag is inconvenient to replace, and the moving device is inconvenient to store, so that the backpack for middle and primary schools is provided for preventing the book from curling, and the problem of the backpack for middle and primary schools is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an avoid books to appear curly middle and primary school student with knapsack to current middle and primary school student with knapsack that proposes in solving above-mentioned background art is when the book is placed inside the schoolbag, and the part that books turned over the page or leaf is easily taken place and is buckled, leads to the schoolbag to be destroyed, when removing the schoolbag through the mobile device, is inconvenient with mobile device and inclusion separation, is not convenient for change the use form of inclusion, and inconvenient problem of accomodating the mobile device.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an avoid books to appear curly knapsack for middle and primary school student, includes inclusion, telescopic link and places the board, the braces has all been sewed up to both sides around the left side of inclusion, and the inboard of braces is provided with the connection cloth of sewing up at the inclusion left surface to the upper surface paste of inclusion has the hand ring, the telescopic link is located the inboard of connecting cloth, and the output fixedly connected with montant of telescopic link to the handle is installed on the top of montant, the bottom inner wall of inclusion is pasted and is placed the box, and places the box around both ends all seted up the slide rail, the inside block of slide rail has the ejector pad, and the internal thread of ejector pad has the screw rod, the inside right side of placing the box is provided with the stripper plate, and places the inside left side of box and inlay and install the backplate, place the board and be located the below of inclusion, and place the below left and right sides of.

Preferably, the connecting cloth is of a telescopic structure, and the telescopic rod penetrates through the inside of the connecting cloth.

Preferably, the handle is connected with the upright rod in a clamping manner, and the telescopic rods are symmetrically arranged about the center line of the handle.

Preferably, the left end of the screw rod is embedded in the rear end of the placing box, the cross section of the screw rod is of a T-shaped structure, and the right end of the screw rod penetrates through the inside of the bag body.

Preferably, the extrusion plate is fixedly connected with the push block, and the extrusion plate and the back plate form a telescopic structure through a screw rod.

Preferably, the placing plate and the telescopic rod are combined into an L-shaped structure, and the telescopic rod is in threaded connection with the placing plate.

Compared with the prior art, the beneficial effects of the utility model are that: the backpack for the middle and primary school students, which can prevent books from curling, can prevent the books from being damaged due to the curling phenomenon of the page turning part of the books in the backpack body, is convenient for replacing the using form of the backpack body, and is convenient for accommodating the mobile device in a desk;

1. the book page turning device is provided with a bag body, a placing box, an extrusion plate and a back plate, wherein the page turning part of a book is placed in the bag body, a push block in threaded connection with a screw rod slides in a sliding rail by rotating the screw rod, the extrusion plate fixedly connected with the push block slides in the placing box, and the bottom end of the book is limited in the placing box by utilizing the extrusion plate and the back plate, so that the page turning part of the book is prevented from being curled in the bag body to damage the book;

2. the bag body is provided with the telescopic rod and the placing plate, the telescopic rod is in threaded connection with the placing plate, so that the telescopic rod and the placing plate are convenient to disassemble and assemble, the telescopic rod penetrates through the connecting cloth to be connected with the bag body, the bag body and the placing plate are convenient to disassemble and assemble, and the use form of the bag body is convenient to replace;

3. be provided with telescopic link, montant, handle and place the board, telescopic link, montant, handle and place the mobile device that the board made up into the knapsack, the telescopic link with place board threaded connection, montant on the telescopic link is connected with the handle block, makes things convenient for this mobile device of split to conveniently accomodate telescopic link, montant, handle and place the board in the desk.

Drawings

FIG. 1 is a side view of the cutting structure of the present invention;

FIG. 2 is a schematic view of the overlooking and cutting structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

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

In the figure: 1. a bag body; 2. a harness; 3. a hand ring; 4. connecting cloth; 5. a telescopic rod; 6. a vertical rod; 7. a handle; 8. placing the box; 9. a slide rail; 10. a screw; 11. a push block; 12. a pressing plate; 13. a back plate; 14. placing the plate; 15. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a backpack for middle and primary school students capable of avoiding book curling comprises a backpack body 1, straps 2, a hand ring 3, a connecting cloth 4, a telescopic rod 5, vertical rods 6, a handle 7, a placing box 8, a slide rail 9, screw rods 10, a push block 11, an extrusion plate 12, a back plate 13, a placing plate 14 and universal wheels 15, wherein the straps 2 are sewn on the front side and the back side of the left side of the backpack body 1, the connecting cloth 4 sewn on the left side of the backpack body 1 is arranged on the inner side of the straps 2, the hand ring 3 is adhered on the upper surface of the backpack body 1, the telescopic rod 5 is positioned on the inner side of the connecting cloth 4, the output end of the telescopic rod 5 is fixedly connected with the vertical rods 6, the handle 7 is installed at the top end of the vertical rods 6, the placing box 8 is adhered to the inner wall of the bottom end of the backpack body 1, the slide rail 9 is arranged on the front end and the back end of the placing box, a squeezing plate 12 is arranged on the right side in the placing box 8, a back plate 13 is embedded and installed on the left side in the placing box 8, the placing plate 14 is positioned below the bag body 1, and universal wheels 15 are installed on the left side and the right side below the placing plate 14;

as shown in fig. 1 and 2, the connecting cloth 4 is of a telescopic structure, and the telescopic rod 5 penetrates through the inside of the connecting cloth 4, so that the telescopic rod 5 is connected with the bag body 1, the connecting mode of the handle 7 and the vertical rod 6 is clamping connection, and the telescopic rod 5 is symmetrically arranged about the central line of the handle 7, so that the handle 7 and the vertical rod 6 can be conveniently detached and installed, the placing plate 14 and the telescopic rod 5 are combined into an L-shaped structure, the connecting mode of the telescopic rod 5 and the placing plate 14 is threaded connection, the telescopic rod 5 and the placing plate 14 can be conveniently detached and installed, and the telescopic rod 5 and the placing plate 14 can be conveniently stored;

as shown in fig. 1 and 3, the extrusion plate 12 is fixedly connected with the push block 11, the extrusion plate 12 forms a telescopic structure with the back plate 13 through the screw rod 10, the left end of the screw rod 10 is embedded in the rear end of the placing box 8 by using the extrusion plate 12, the cross section of the screw rod 10 is in a T-shaped structure, and the right end of the screw rod 10 penetrates through the inside of the bag body 1, so that the screw rod 10 can be rotated outside the bag body 1.

The working principle is as follows: when the backpack for middle and primary school students for preventing books from curling is used, firstly, when books are placed in the backpack body 1, page turning parts of the books are placed in the placing box 8, then a user manually rotates the screw 10 in the figure 1 clockwise, the screw 10 is in threaded connection with the pushing block 11, the pushing block 11 is fixedly connected with the extruding plate 12, the extruding plate 12 moves in the placing box 8 along with the rotation of the screw 10, so that the extruding plate 12 is tightly attached to the outer side surface of the books, the books are limited by the extruding plate 12 and the back plate 13, and the books are prevented from curling;

when a large number of books are placed in the bag body 1, the telescopic rod 5 penetrates through the connecting cloth 4, the bottom end of the telescopic rod 5 is inserted into the placing plate 14, the telescopic rod 5 is in threaded connection with the placing plate 14, the telescopic rod 5 is rotated and fixed on the placing plate 14, then the handle 7 is clamped and installed at the top end of the vertical rod 6, the height of the telescopic rod 5 is adjusted, the working principle of the telescopic rod 5 is mature technology in the prior art, the height of the handle 7 is adjusted, a user can conveniently lift the bag body 1 under the action of the universal wheels 15, a series of operations of the backpack for preventing the books from curling are completed, and the contents which are not described in detail in the description belong to the prior art known by professional technicians in the field.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a avoid books to appear curly middle and primary school student with knapsack, includes inclusion (1), telescopic link (5) and places board (14), its characterized in that: braces (2) are sewn on the front side and the rear side of the left side of the bag body (1), connecting cloth (4) sewn on the left side face of the bag body (1) is arranged on the inner side of each brace (2), a hand ring (3) is pasted on the upper surface of the bag body (1), the telescopic rod (5) is located on the inner side of the connecting cloth (4), a vertical rod (6) is fixedly connected with the output end of the telescopic rod (5), a handle (7) is installed at the top end of the vertical rod (6), a placing box (8) is pasted on the inner wall of the bottom end of the bag body (1), sliding rails (9) are arranged at the front end and the rear end of the placing box (8), a push block (11) is clamped inside the sliding rails (9), a screw rod (10) is connected to the inner thread of the push block (11), an extrusion plate (12) is arranged on the right side of the inside of the placing box (8), and a back, the placing plate (14) is positioned below the bag body (1), and universal wheels (15) are mounted on the left side and the right side of the lower portion of the placing plate (14).

2. The backpack for primary and secondary school students for preventing the book from curling as claimed in claim 1, wherein: the connecting cloth (4) is of a telescopic structure, and the telescopic rod (5) penetrates through the inside of the connecting cloth (4).

3. The backpack for primary and secondary school students for preventing the book from curling as claimed in claim 1, wherein: the handle (7) is connected with the vertical rod (6) in a clamping manner, and the telescopic rods (5) are symmetrically arranged relative to the center line of the handle (7).

4. The backpack for primary and secondary school students for preventing the book from curling as claimed in claim 1, wherein: the left end of the screw rod (10) is embedded in the rear end of the placing box (8), the cross section of the screw rod (10) is of a T-shaped structure, and the right end of the screw rod (10) penetrates through the inside of the bag body (1).

5. The backpack for primary and secondary school students for preventing the book from curling as claimed in claim 1, wherein: the extrusion plate (12) is fixedly connected with the push block (11), and the extrusion plate (12) and the back plate (13) form a telescopic structure through the screw rod (10).

6. The backpack for primary and secondary school students for preventing the book from curling as claimed in claim 1, wherein: the placing plate (14) and the telescopic rod (5) are combined into an L-shaped structure, and the telescopic rod (5) is in threaded connection with the placing plate (14).

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