Novel self-adhesive book wrapping film

Abstract

The utility model discloses a novel self-adhesive book wrapping film which comprises a cover protection film, a bottom paper protection film and a side protection film, and a first stainless steel positioning piece is fixedly arranged on the inner wall face of the side protection film. A photocatalytic layer, a first activated carbon adsorption layer and a first positioning layer are sequentially arranged in a first storage groove in the lower surface of the cover protection film from top to bottom, first adhesive layers are arranged on the lower surfaces of the first positioning layer and the cover protection film, and a plurality of first ventilation through holes are formed in the lower surfaces of the first adhesive layers; the first positioning layer is provided with a second breathable through hole, and the upper surface of the cover protection film is provided with a plurality of third breathable through holes; a second activated carbon adsorption layer and a second positioning layer are sequentially arranged in a second storage groove in the upper surface of the backing paper protective film from bottom to top; and second adhesive layers are arranged on the upper surface of the second positioning layer and the upper surface of the backing paper protective film. According to the technical scheme, the textbook protecting device is reasonable in structural design, not prone to damage, good in textbook protecting effect, good in peculiar smell removing effect and good in practicability.

Description

A novel self-adhesive book cover Technical Field

[0001] This utility model relates to the field of book wrapping film technology, specifically to a novel self-adhesive book wrapping film. Background Technology

[0002] Book wrapping film can protect textbooks from wear and tear or folding. Currently, common book wrapping film materials include cardboard and plastic. Cardboard is usually covered with paper and has poor waterproof performance, while plastic is covered with ordinary plastic film, which is easily damaged. In addition, both cardboard and plastic are relatively soft, making textbooks susceptible to damage to varying degrees.

[0003] In addition, some existing textbooks have an odor, especially new books which have a pungent and unpleasant smell when first received, and the existing book covers do not have the function of removing odors. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a new type of self-adhesive book cover film with reasonable structural design, not easy to be damaged, good protection effect for textbooks, good odor removal effect and good practicality.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a novel self-adhesive book cover film, comprising a cover protective film and a backing paper protective film, wherein a side protective film is integrally provided on the left end of the cover protective film and the left end of the backing paper protective film, and a first stainless steel positioning piece is fixedly provided on the inner wall surface of the side protective film;

[0006] The lower surface of the cover protective film is provided with a first placement groove with the opening facing downward. The first placement groove is provided with a photocatalytic layer, a first activated carbon adsorption layer and a first positioning layer from top to bottom. The lower surface of the first positioning layer is flush with the lower surface of the cover protective film. Both the lower surfaces of the first positioning layer and the lower surface of the cover protective film are provided with a first adhesive layer. The lower surface of the first adhesive layer is provided with a plurality of first ventilating holes located directly below the first positioning layer. The first positioning layer is provided with a second ventilating hole at the upper end of each first ventilating hole. The upper surface of the cover protective film is provided with a plurality of third ventilating holes located directly above the photocatalytic layer.

[0007] The upper surface of the backing paper protective film is provided with a second placement groove with the opening facing upward. The second placement groove is provided with a second activated carbon adsorption layer and a second positioning layer from bottom to top. The upper surface of the second positioning layer is flush with the upper surface of the backing paper protective film. Both the upper surface of the second positioning layer and the upper surface of the backing paper protective film are provided with a second adhesive layer. The second adhesive layer is provided with a plurality of fourth vent holes located directly above the second positioning layer. The second positioning layer is provided with a fifth vent hole aligned with the lower end of each fourth vent hole.

[0008] The present invention is further configured such that: a first notch is provided at the upper right end of the cover protective film, a second stainless steel positioning piece is fixedly provided in the first notch, and the right end of the second stainless steel positioning piece is bent downward at 90°. A first positioning clip is integrally provided at the lower end of the bent part of the second stainless steel positioning piece. The upper end surface of the first positioning clip is parallel to the lower surface of the cover protective film, and a plurality of first positioning protrusions are integrally provided at the left end of the upper end surface of the first positioning clip.

[0009] The present invention is further configured such that: a second notch is provided at the lower right end of the backing paper protective film, a third stainless steel positioning piece is fixedly provided in the second notch, and the right end of the third stainless steel positioning piece is bent upward at 90°. A second positioning clip is integrally provided at the upper end of the bent part of the third stainless steel positioning piece. The lower end surface of the second positioning clip is parallel to the upper surface of the backing paper protective film, and a plurality of second positioning protrusions are integrally provided at the left end of the lower end surface of the second positioning clip.

[0010] The present invention is further configured such that: a positioning groove is provided on the inner wall surface of the side protective film, and the first stainless steel positioning piece is bonded and fixed to the inner wall surface of the positioning groove.

[0011] The present invention is further configured such that: the cover protective film, the bottom paper protective film and the side protective film are all made of PET material or TPU material, and the first positioning layer and the second positioning layer are both made of PET material or TPU material; the thickness of the cover protective film, the bottom paper protective film and the side protective film is 0.1-1.5mm.

[0012] The present invention is further configured such that: both the first adhesive layer and the second adhesive layer are self-adhesive layers, and the thickness of both the first adhesive layer and the second adhesive layer is 0.03-0.085μm.

[0013] The beneficial effects of this utility model are as follows: Compared with the prior art, this utility model has a reasonable structural design. The cover protective film, the bottom paper protective film, and the side protective film are all made of PET or TPU material, which has good wear resistance and puncture resistance. The first stainless steel positioning piece positions and reinforces the left end of the book cover film, the second stainless steel positioning piece positions and reinforces the right end of the cover protective film, and the third stainless steel positioning piece positions and reinforces the right end of the bottom paper protective film, making the book cover film less prone to damage, providing good protection for the textbook, and making the textbook less likely to be damaged.

[0014] In addition, both the first and second activated carbon adsorption layers are made of activated carbon fiber material; the photocatalytic layer is a composite photocatalytic functional coating that can effectively adsorb and catalyze the odor of textbooks, with good odor removal effect and practicality.

[0015] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0016] Figure 1 is a structural schematic diagram of an embodiment of the present utility model;

[0017] Figure 2 is a partial cross-sectional view of an embodiment of the present utility model;

[0018] Figure 3 is an enlarged schematic diagram of part I in Figure 1;

[0019] Figure 4 is an enlarged schematic diagram of part II in Figure 1. Detailed Implementation

[0020] In the description of this embodiment, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] Referring to Figures 1 to 4, this utility model discloses a novel self-adhesive book cover film, including a cover protective film 1 and a bottom paper protective film 2. A side protective film 3 is integrally provided on the left end of the cover protective film 1 and the left end of the bottom paper protective film 2. A first stainless steel positioning piece 4 is fixedly provided on the inner wall surface of the side protective film 3.

[0022] The lower surface of the cover protective film 1 is provided with a first placement groove 11 with the opening facing downward. The first placement groove 11 is provided with a photocatalytic layer 12, a first activated carbon adsorption layer 13 and a first positioning layer 14 arranged from top to bottom. The lower surface of the first positioning layer 14 is flush with the lower surface of the cover protective film 1. A first adhesive layer 5 is provided on the lower surface of both the first positioning layer 14 and the cover protective film 1. A plurality of first ventilation holes 51 are provided on the lower surface of the first adhesive layer 5 directly below the first positioning layer 14. A second ventilation hole 141 is provided on the upper end of each first ventilation hole of the first positioning layer 14. A plurality of third ventilation holes 15 are provided on the upper surface of the cover protective film 1 directly above the photocatalytic layer 12.

[0023] The upper surface of the backing paper protective film 2 is provided with a second placement groove 21 with the opening facing upward. The second placement groove 21 is provided with a second activated carbon adsorption layer 22 and a second positioning layer 23 from bottom to top. The upper surface of the second positioning layer 23 is flush with the upper surface of the backing paper protective film 2. Both the upper surface of the second positioning layer 23 and the upper surface of the backing paper protective film 2 are provided with a second adhesive layer 6. The second adhesive layer 6 is provided with a plurality of fourth ventilation holes 61 directly above the second positioning layer 23. The second positioning layer 23 is provided with a fifth ventilation hole 231 aligned with the lower end of each fourth ventilation hole 61.

[0024] Preferably, the photocatalytic layer 12, the first activated carbon adsorption layer 13, and the first positioning layer 14 are bonded and fixed to the inner wall of the first placement groove 11 with glue or adhesive; the second activated carbon adsorption layer 22 and the second positioning layer 23 are bonded and fixed to the inner wall of the second placement groove 21 with glue or adhesive. The number of the first vent hole 51, the second vent hole 141, and the third vent hole 15 are all provided in more than three amounts.

[0025] Both the first activated carbon adsorption layer 13 and the second activated carbon adsorption layer 22 are made of activated carbon fiber material; the photocatalytic layer 12 is a composite photocatalytic functional coating. The composite photocatalytic functional coating is prepared by surface modification of hydrophilic nano-TiO2 with 3-aminopropyltrimethoxysilane (APTMS) and loading carbon quantum dots synthesized from the gramineous plant switchgrass onto TiO2 to prepare TiO2-carbon quantum dots. The synthesized carbon quantum dots have a particle size of 3–6 nm, exhibiting a good graphite phase structure, and the photoluminescence of the carbon quantum dots has a certain excitation dependence. The carbon quantum dot-functionalized TiO2 composite material not only has strong absorption in the ultraviolet region but also has a wider absorption band in the 400–500 nm wavelength range. The carbon quantum dot-loaded TiO2 photocatalytic coating can effectively adsorb and catalyze odors under ultraviolet light and ultraviolet combined with visible light conditions, respectively.

[0026] To make the structural design of this utility model more reasonable, as a preferred embodiment, the upper right end of the cover protective film 1 is provided with a first notch 16, and a second stainless steel positioning piece 7 is fixedly provided in the first notch 16. The right end of the second stainless steel positioning piece 7 is bent downward at 90°. A first positioning clip 71 is integrally provided at the lower end of the bent part of the second stainless steel positioning piece 7. The upper end surface of the first positioning clip 71 is parallel to the lower surface of the cover protective film 1. A plurality of first positioning protrusions 711 are integrally provided at the left end of the upper end surface of the first positioning clip 71.

[0027] The lower right end of the backing paper protective film 2 is provided with a second notch 24. A third stainless steel positioning piece 8 is fixedly installed in the second notch 24. The right end of the third stainless steel positioning piece 8 is bent upward at 90°. A second positioning clip 81 is integrally provided on the upper end of the bent part of the third stainless steel positioning piece 8. The lower end face of the second positioning clip 81 is parallel to the upper surface of the backing paper protective film 2. A plurality of second positioning protrusions 811 are integrally provided on the left end of the lower end face of the second positioning clip 81.

[0028] The inner wall of the side protective film 3 is provided with a positioning groove 31, and the first stainless steel positioning piece 4 is bonded and fixed to the inner wall of the positioning groove 31.

[0029] The cover protective film 1, the bottom paper protective film 2, and the side protective film 3 are all made of PET or TPU material, and the first positioning layer 14 and the second positioning layer 23 are both made of PET or TPU material; the thickness of the cover protective film 1, the bottom paper protective film 2, and the side protective film 3 is 0.1-1.5mm.

[0030] Both the first adhesive layer 5 and the second adhesive layer 6 are self-adhesive layers, and the thickness of both the first adhesive layer 5 and the second adhesive layer 6 is 0.03-0.085μm.

[0031] In practical applications, the cover protective film 1, the bottom paper protective film 2, and the side protective film 3 are all made of PET or TPU material, which has good wear resistance and puncture resistance. The first stainless steel positioning piece 4 positions and reinforces the left end of the book cover film, the second stainless steel positioning piece 7 positions and reinforces the right end of the cover protective film 1, and the third stainless steel positioning piece 8 positions and reinforces the right end of the bottom paper protective film 2. The reasonable structural design makes the book cover film less prone to damage, provides good protection for the textbook, and makes the textbook less susceptible to damage.

[0032] In addition, the first activated carbon adsorption layer 13 and the second activated carbon adsorption layer 22 are both made of activated carbon fiber material; the photocatalytic layer 12 is a composite photocatalytic functional coating that can effectively adsorb and catalyze the odor of textbooks, with good odor removal effect and good practicality.

[0033] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.

Claims

1. A novel self-adhesive book cover film, comprising a cover protective film (1) and a backing paper protective film (2), characterized in that: A side protective film (3) is integrally provided on the left end of the cover protective film (1) and the left end of the back paper protective film (2). A first stainless steel positioning piece (4) is fixedly provided on the inner wall surface of the side protective film (3). A first storage groove (11) with its opening facing downward is provided on the lower surface of the cover protective film (1). A photocatalytic layer (12), a first activated carbon adsorption layer (13), and a first positioning layer (14) are arranged sequentially from top to bottom in the first storage groove (11). The lower surface of the first positioning layer (14) is flush with the lower surface of the cover protective film (1). A first adhesive layer (5) is provided on the lower surface of both the first positioning layer (14) and the cover protective film (1). A plurality of first ventilation holes (51) are provided on the lower surface of the first adhesive layer (5) located directly below the first positioning layer (14). The first positioning layer (14) is aligned with the upper port of each first ventilation hole. The cover protective film (1) has a second vent hole (141). The upper surface of the cover protective film (1) is provided with a plurality of third vent holes (15) located directly above the photocatalytic layer (12). The upper surface of the bottom paper protective film (2) is provided with a second placement groove (21) with the opening facing upward. The second placement groove (21) is provided with a second activated carbon adsorption layer (22) and a second positioning layer (23) arranged sequentially from bottom to top. The upper surface of the second positioning layer (23) is flush with the upper surface of the bottom paper protective film (2). The upper surface of the second positioning layer (23) and the upper surface of the bottom paper protective film (2) are both provided with a second adhesive layer (6). The second adhesive layer (6) is provided with a plurality of fourth vent holes (61) located directly above the second positioning layer (23). The second positioning layer (23) is provided with a fifth vent hole (231) aligned with the lower end of each fourth vent hole (61).

2. The novel self-adhesive book cover film according to claim 1, characterized in that: The upper right end of the cover protective film (1) is provided with a first notch (16), and a second stainless steel positioning piece (7) is fixedly provided in the first notch (16). The right end of the second stainless steel positioning piece (7) is bent downward at 90°. A first positioning clip (71) is integrally provided at the lower end of the bent part of the second stainless steel positioning piece (7). The upper end surface of the first positioning clip (71) is parallel to the lower surface of the cover protective film (1). Several first positioning protrusions (711) are integrally provided at the left end of the upper end surface of the first positioning clip (71).

3. The novel self-adhesive book cover film according to claim 2, characterized in that: The lower right end of the backing paper protective film (2) is provided with a second notch (24), and a third stainless steel positioning piece (8) is fixedly provided in the second notch (24). The right end of the third stainless steel positioning piece (8) is bent upward at 90°. A second positioning clip (81) is integrally provided on the upper end of the bent part of the third stainless steel positioning piece (8). The lower end face of the second positioning clip (81) is parallel to the upper surface of the backing paper protective film (2). Several second positioning protrusions (811) are integrally provided on the left end of the lower end face of the second positioning clip (81).

4. The novel self-adhesive book cover film according to claim 3, characterized in that: The inner wall of the side protective film (3) is provided with a positioning groove (31), and the first stainless steel positioning piece (4) is bonded and fixed to the inner wall of the positioning groove (31).

5. A novel self-adhesive book cover film according to claim 4, characterized in that: The cover protective film (1), the bottom paper protective film (2) and the side protective film (3) are all made of PET or TPU material, and the first positioning layer (14) and the second positioning layer (23) are both made of PET or TPU material; the thickness of the cover protective film (1), the bottom paper protective film (2) and the side protective film (3) is 0.1-1.5mm.

6. A novel self-adhesive book cover film according to claim 5, characterized in that: The first adhesive layer (5) and the second adhesive layer (6) are both non-adhesive layers, and the thickness of the first adhesive layer (5) and the second adhesive layer (6) is 0.03-0.085μm.

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