Book buckle type protective sleeve

Abstract

The utility model relates to a book buckle type protective sleeve in the technical field of book protection, which comprises an upper protective layer, a lower protective layer and a connecting layer, a third limiting piece is fixedly installed at the end, located between the first limiting piece and the second limiting piece, of the lower protection layer, a fourth limiting piece matched with the third limiting piece is arranged on the upper protection layer, and a locking assembly is installed between the third limiting piece and the fourth limiting piece. Two first fasteners are arranged on the surface of the upper protective layer, and two second fasteners matched with the first fasteners are arranged at the bottom of the lower protective layer. By arranging the first limiting piece and the second limiting piece, the first limiting pieces at the two ends of the lower protective layer are matched with the rotatable second limiting piece on the upper protective layer, and when the protective sleeve is used, the second limiting piece is rotated to be buckled, so that the protective sleeve can be effectively prevented from being accidentally opened, and the safety of a book is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of book protection, in particular to book buckle type protective sleeve. BACKGROUND

[0002] During long-term use, especially when repeatedly taking the book from the bookshelf, the book and the book rub against each other, and the cover of the book is prone to wear and tear.

[0003] A book protective sleeve is disclosed in Chinese Patent No. CN216885934U. The book is placed between the upper protective layer and the lower protective layer in the protective sleeve. The inner walls of the upper protective layer and the lower protective layer are attached to the upper cover and the lower cover of the book through the elastic force of the elastic band. Then, the upper protective layer and the lower protective layer are positioned away from one end of the connecting layer through the positioning mechanism, so that the book can be stably placed in the book protective sleeve. However, the protective sleeve still has the following problems: the protective sleeve is not tightly wrapped around the book for overall protection, and the book is prone to being knocked against a water cup when placed on a table. Since the side is not protected, moisture enters the protective sleeve and wet the book, affecting the visual experience of the book, thus the practicality is poor. SUMMARY

[0004] The utility model aims to solve the above defects and provide a book buckle type protective sleeve.

[0005] The utility model aims to solve the above defects and provide a book buckle type protective sleeve.

[0006] Further, the locking assembly comprises a locking piece, a locking seat and a locking block slidingly installed on the locking seat, the locking piece is fixedly installed on the fourth buckling piece, the locking seat is fixedly installed on the third buckling piece, the locking seat is provided with an adjusting groove matched with the locking block, the locking block is provided with an adjusting part extending out of the adjusting groove, the locking piece is provided with a locking groove corresponding to the adjusting groove, and the locking piece can be buckled on the locking groove. When the locking piece is buckled on the locking groove, the third limiting piece and the fourth limiting piece can be firmly locked to prevent the protective sleeve from being accidentally opened. When in use, the adjusting part is operated to easily control the sliding of the locking block in the adjusting groove, so that the locking and unlocking operations are realized.

[0007] Further, the adjusting groove is in inverted T shape, the inverted T-shaped adjusting groove can effectively prevent the locking block from being pulled out of the adjusting groove, provide a stable track for the sliding of the locking block, and guarantee the normal use and stability of the locking assembly.

[0008] Further, the surface of the adjusting part is provided with an anti-skid layer. The anti-skid layer increases the friction between the finger and the adjusting part, so that the user can operate the adjusting part more easily and accurately and conveniently.

[0009] Further, the first limiting piece is provided with a first buckling groove, and the bottom of the second limiting piece extends a first buckling part matched with the first buckling groove. The first buckling groove and the first buckling part are matched with each other to generate a certain clamping force when buckled, limit the movement of the second limiting piece, enhance the limiting effect, and ensure that the upper protective layer and the lower protective layer are closely attached.

[0010] Further, the third limiting piece is provided with a second buckling groove, and the bottom of the fourth limiting piece extends a second buckling part matched with the second buckling groove. The cooperation of the second buckling groove and the second buckling part further enhances the connection stability between the third limiting piece and the fourth limiting piece.

[0011] Further, the surface of the upper protective layer is provided with a third buckling groove matched with the second limiting piece. The third buckling groove provides accurate positioning for the second limiting piece, so that the second limiting piece can be closely attached to the surface of the upper protective layer after being rotated and buckled, and the appearance and integrity of the protective sleeve are improved.

[0012] Further, the first buckling piece is in inverted L shape, and the second buckling piece is in L shape. The inverted L-shaped first buckling piece and the L-shaped second buckling piece are matched with each other, the structure is simple and the buckling is firm, the installation and disassembly are convenient, and the production and use costs are reduced.

[0013] Further, the upper protective layer and the lower protective layer are provided with two corner pads away from the connecting layer. The corner pads can buffer and protect the four corners of the book, effectively preventing the corners of the book from being damaged when the book is impacted.

[0014] Further, the corner pads are made of soft structure and are triangular. The corner pads made of soft structure have good flexibility and buffering performance, and can better absorb impact force. The triangular design can not only fit the corners of the book, but also effectively disperse impact force, improving the protection effect on the corners of the book.

[0015] The book clasp type protective sleeve has the following beneficial effects:

[0016] By setting the first and second limiting members, the first limiting members at the two ends of the lower protective layer and the rotatable second limiting members on the upper protective layer are matched with each other. During use, the second limiting members are buckled by rotating, which can effectively prevent the protective sleeve from being accidentally opened, maintain the wrapping state of the book, and ensure the safety of the book. By setting the third and fourth limiting members, the cooperation of the two and the locking assembly further enhance the closing stability of the protective sleeve, especially when the book needs to be more tightly protected to prevent it from falling off, the additional fixing effect can be provided. By setting the two first buckling members on the surface of the upper protective layer and the corresponding second buckling members at the bottom of the lower protective layer, the connection strength between the upper and lower parts of the protective sleeve is greatly enhanced by buckling the two, which prevents the protective sleeve from loosening and further improves the protection effect on the book. Therefore, the user can easily open and close the protective sleeve, which is convenient for taking and storing the book, improves the use experience, and can be applied to books of different sizes and thicknesses, which can meet various use requirements and has high practicality. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a three-dimensional structure expansion schematic view of the book clasp type protective sleeve of the utility model;

[0018] Fig. 2 It is a three-dimensional structure closed schematic view of the book clasp type protective sleeve of the utility model;

[0019] Fig. 3 It is a three-dimensional structure assembly schematic view of the book clasp type protective sleeve of the utility model.

[0020] In the figure, 1, the upper protective layer; 2, the lower protective layer; 3, the connecting layer; 4, the mounting groove; 5, the first limiting piece; 6, the second limiting piece; 7, the third limiting piece; 8, the fourth limiting piece; 9, the first buckling piece; 10, the second buckling piece; 11, the locking piece; 12, the locking seat; 13, the locking block; 14, the adjusting groove; 15, the adjusting part; 16, the locking groove; 17, the anti-skid layer; 18, the first buckling groove; 19, the first buckling part; 20, the second buckling groove; 21, the second buckling part; 22, the third buckling groove; 23, the angle pad. DETAILED DESCRIPTION

[0021] For the convenience of those skilled in the art, the present application will be further described below in conjunction with the embodiments and the accompanying drawings. The content mentioned in the embodiments is not a limitation of the present application. The present application will be described in detail below in conjunction with the accompanying drawings.

[0022] Please refer to Figs. 1-3 The book buckle type protective sleeve includes an upper protective layer 1, a lower protective layer 2 and a connecting layer 3. The connecting layer 3 is fixedly connected with the upper protective layer 1 and the lower protective layer 2 on both sides. The upper protective layer 1 and the lower protective layer 2 are both provided with a mounting groove 4 for mounting the cover of a book on one side.

[0023] The first limiting piece 5 is fixedly installed at both ends of the lower protective layer 2. The second limiting piece 6 is movably installed on the upper protective layer 1 and cooperates with the first limiting piece 5. The second limiting piece 6 can be rotatably buckled on the surface of the upper protective layer 1. The third limiting piece 7 is fixedly installed at one end of the lower protective layer 2 between the first limiting piece 5 and the second limiting piece 6. The fourth limiting piece 8 is provided on the upper protective layer 1 and cooperates with the third limiting piece 7. The locking assembly is installed between the third limiting piece 7 and the fourth limiting piece 8. The surface of the upper protective layer 1 is provided with two first buckling pieces 9. The bottom of the lower protective layer 2 is provided with two second buckling pieces 10 which cooperate with the first buckling pieces 9. The first buckling groove 18 is provided on the first limiting piece 5. The bottom of the second limiting piece 6 extends the first buckling part 19 which cooperates with the first buckling groove 18.

[0024] The first buckling groove 18 cooperates with the first buckling part 19 to generate a certain clamping force when buckling, limit the movement of the second limiting piece 6, enhance the limiting effect, and ensure that the upper protective layer 1 and the lower protective layer 2 are tightly attached. The third limiting piece 7 is provided with a second buckling groove 20, and the bottom of the fourth limiting piece 8 extends a second buckling part 21 matched with the second buckling groove 20. The cooperation of the second buckling groove 20 and the second buckling part 21 further enhances the connection stability between the third limiting piece 7 and the fourth limiting piece 8. The surface of the upper protective layer 1 is provided with a third buckling groove 22 matched with the second limiting piece 6. The third buckling groove 22 provides precise positioning for the second limiting piece 6, so that it can be tightly attached to the surface of the upper protective layer 1 after rotating and buckling, improving the appearance and integrity of the protective sleeve.

[0025] The locking assembly includes a locking piece 11, a locking seat 12, and a locking block 13 slidingly installed on the locking seat 12. The locking piece 11 is fixedly installed on the fourth buckling piece, the locking seat 12 is fixedly installed on the third buckling piece, the locking seat 12 is provided with an adjusting groove 14 matched with the locking block 13, the locking block 13 is provided with an adjusting part 15 extending out of the adjusting groove 14, the locking piece 11 is provided with a locking groove 16 corresponding to the adjusting groove 14, and the locking piece 11 can be buckled on the locking groove 16. When the locking piece 11 is buckled on the locking groove 16, the third limiting piece 7 and the fourth limiting piece 8 can be firmly locked to prevent the protective sleeve from being accidentally opened. When in use, the adjusting part 15 can be easily controlled to slide in the adjusting groove 14 to realize the locking and unlocking operation. The adjusting groove 14 is in inverted T shape, which can effectively prevent the locking block 13 from coming out of the adjusting groove 14, provide a stable track for the sliding of the locking block 13, and ensure the normal use and stability of the locking assembly. The surface of the adjusting part 15 is provided with an anti-slip layer 17. The anti-slip layer 17 increases the friction between the finger and the adjusting part 15, making it easier for the user to operate the adjusting part 15, preventing slipping, and improving the accuracy and convenience of operation.

[0026] The upper protective layer 1 and the lower protective layer 2 are provided with two corner pads 23 away from the connecting layer 3. The corner pads 23 can buffer and protect the four corners of the book, effectively preventing the corners from being damaged when the book is hit. The corner pads 23 are made of soft structure and are in triangular shape. The soft structure of the corner pads 23 has good flexibility and buffering performance, which can better absorb impact force. The triangular design can not only fit the corners of the book, but also effectively disperse the impact force, improving the protection effect of the corners of the book.

[0027] The first buckling member 9 is in inverted L shape, and the second buckling member 10 is in L shape.

[0028] The working principle of the embodiment of the utility model is as follows:

[0029] 1, install books

[0030] The covers of the books are respectively placed into the installation grooves 4 on the opposite sides of the upper protective layer 1 and the lower protective layer 2, so that the books are stably fixed inside the protective sleeve, and the design of the installation grooves 4 can ensure the accurate position of the books and prevent the books from shaking.

[0031] 2, preliminary fixation

[0032] The first limiting members 5 at the two ends of the lower protective layer 2 are matched with the second limiting members 6 on the upper protective layer 1. The second limiting members 6 are buckled on the first limiting members 5, and the first buckling grooves 18 and the first buckling parts 19 are matched, so that the upper protective layer 1 and the lower protective layer 2 are preliminarily fixed at the two ends, and the books are prevented from moving left and right in the protective sleeve.

[0033] 3, middle locking:

[0034] The locking assembly between the third limiting member 7 on the lower protective layer 2 and the fourth limiting member 8 on the upper protective layer 1 plays a further fixing role. When locking is needed, the locking member 11 is buckled on the adjusting groove 14 of the locking seat 12, the adjusting part 15 of the locking block 13 can move in the adjusting groove 14 by sliding the position of the locking block 13 in the adjusting groove 14, and then the locking force and position are adjusted, so that the upper protective layer 1 and the lower protective layer 2 are tightly fixed in the middle part, and the books are prevented from moving up and down. The inverted T-shaped adjusting groove 14 can prevent the locking block 13 from being pulled out of the adjusting groove 14, and the stability of the locking is ensured. The anti-slip layer 17 on the surface of the adjusting part 15 facilitates user operation, increases the friction force, and facilitates the adjustment of the position of the locking block 13.

[0035] Overall fixation

[0036] The two first buckling members 9 on the surface of the upper protective layer 1 are matched with the two second buckling members 10 at the bottom of the lower protective layer 2, the upper and lower parts of the protective sleeve are further fixed as a whole, the protective sleeve can better wrap the books, and the protection effect of the protective sleeve on the books is enhanced. The first buckling member 9 is in inverted L shape, and the second buckling member 10 is in L shape, which facilitates the mutual buckling of the two and is relatively firm after buckling.

[0037] Protect the corners

[0038] The soft triangular corner pad 23 arranged at one end of the upper protective layer 1 and the lower protective layer 2 away from the connecting layer 3 can protect the four corners of the book, prevent the edges and corners of the book from being damaged due to collision, wear or extrusion in daily use, and the soft structure will not scratch the book

[0039] The above is a further detailed description of the present application in combination with specific further embodiments, and cannot be considered as limiting the specific implementation of the present application to these descriptions. For ordinary skilled persons in the technical field to which the present application belongs, some simple deductions or substitutions can be made without departing from the concept of the present application, and all of them should be considered as the protection scope of the present application.

Claims

1. A book clip-on protective sleeve, comprising an upper protective layer, a lower protective layer, and a connecting layer, wherein both sides of the connecting layer are fixedly connected to the upper protective layer and the lower protective layer respectively, and each of the upper and lower protective layers has a mounting groove for mounting a book cover on its opposite side, characterized in that, Both ends of the lower protective layer are fixedly installed with first limiting members. The upper protective layer is movably installed with a second limiting member that cooperates with the first limiting member. The second limiting member can be rotatably fastened to the surface of the upper protective layer. The end of the lower protective layer located between the first limiting member and the second limiting member is fixedly installed with a third limiting member. The upper protective layer is provided with a fourth limiting member that cooperates with the third limiting member. A locking assembly is installed between the third limiting member and the fourth limiting member. The surface of the upper protective layer is provided with two first fastening members. The bottom of the lower protective layer is provided with two second fastening members that cooperate with the first fastening members.

2. The book clip-on protective sleeve according to claim 1, characterized in that: The locking assembly includes a locking member, a locking seat, and a locking block slidably mounted on the locking seat. The locking member is fixedly mounted on the fourth limiting member, and the locking seat is fixedly mounted on the third limiting member. The locking seat has an adjustment groove that cooperates with the locking block. The locking block has an adjustment portion that extends out of the adjustment groove. The locking member has a locking groove corresponding to the adjustment groove, and the locking member can be fastened to the locking groove.

3. The book clip-on protective sleeve according to claim 2, characterized in that: The adjusting groove is inverted T-shaped.

4. The book clip-on protective sleeve according to claim 2, characterized in that: The surface of the adjustment part is provided with an anti-slip layer.

5. The book clip-on protective sleeve according to any one of claims 1-4, characterized in that: The first limiting member is provided with a first fastening groove, and the bottom of the second limiting member extends with a first fastening part that cooperates with the first fastening groove.

6. The book clip-on protective sleeve according to any one of claims 1-4, characterized in that: The third limiting member is provided with a second fastening groove, and the bottom of the fourth limiting member extends with a second fastening part that cooperates with the second fastening groove.

7. The book clip-on protective sleeve according to any one of claims 1-4, characterized in that: The surface of the upper protective layer is provided with a third fastening groove that cooperates with the second limiting member.

8. The book clip-on protective sleeve according to any one of claims 1-4, characterized in that: The first fastening element is inverted L-shaped, and the second fastening element is L-shaped.

9. The book clip-on protective sleeve according to any one of claims 1-4, characterized in that: Both the upper and lower protective layers are provided with two corner protectors at the ends furthest from the connecting layer.

10. The book clip-on protective sleeve according to claim 9, characterized in that: The corner protector is made of a soft structure and is triangular in shape.

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