Preservative film and preservative film box group thereof

Abstract

The utility model discloses a preservative film and a preservative film box group, and relates to the technical field of preservative films, the preservative film box group comprises a containing box, a turning cover is rotatably installed on the surface of the containing box, the turning cover is connected with the containing box through a movable shaft, sliding grooves are formed in the two inner side walls of the containing box, and the sliding grooves are communicated with the containing box. A rolling shaft is jointly installed in the pair of sliding grooves in a sliding mode, limiting sleeves are fixedly installed at the two ends of the rolling shaft, a rotating plate is rotatably installed on the surface of the turning cover through a movable shaft, and the cutting device further comprises a cutting assembly. The effect of improving the use convenience of the preservative film is achieved, and the problems that although the preservative film can be cut in the prior art, due to the fact that the preservative film is soft in texture and prone to being bent during sliding, the cutting effect is poor, cutting is not in place, and the cutting efficiency is high are solved. The normal use of the preservative film is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a preservative film technical field especially is involved in a kind of preservative film and its preservative film box group. BACKGROUND

[0002] Preservative film is plastic packaging product, mainly used for food preservation and heating, in daily use process, people will directly tear and use, but often the size of tearing is not the same, not convenient for normal use.

[0003] According to the patent file with the announcement number CN221644233U, a preservative film and its preservative film box group are disclosed, which include a box body, a same winding shaft is rotatably connected to the inner walls of both sides of the box body, a cover plate is integrally formed on one side of the top of the box body, a crease is arranged on the part of the cover plate in contact with the box body, a discharge port is formed in one side of the box body, and the preservative film is wound on the winding shaft. In the utility model, after the cover plate is turned over, the preservative film on the outer wall of the winding shaft can be pulled out, the pressing block is covered again, the vertical plate is driven by the pulling block to move vertically downward, and the preservative film is flattened by the two pressing plates during the downward movement of the vertical plate, so that the flatness of the preservative film is ensured, the cutting piece moves transversely to cut the preservative film, and the breaking of the preservative film can be avoided.

[0004] Based on the above search and existing technology, it is found that:

[0005] Although the above-mentioned patent can cut the preservative film, it is cut by the cutting piece, and the preservative film is easy to bend during sliding due to its soft texture, which leads to poor cutting effect and affects the normal use of the preservative film, so there is a certain limitation. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a preservative film and its preservative film box group to solve the problems raised in the background art, avoid the problem of affecting normal use caused by curling or tearing of different sizes by setting the cutting assembly, and improve the flatness of the cutting part of the preservative film during cutting.

[0007] The technical scheme of the utility model is as follows: a preservative film box group includes a containing box, a flip cover is rotatably installed on the surface of the containing box, the flip cover and the containing box are connected through a movable shaft, sliding grooves are formed in the two inner side walls of the containing box, a winding shaft is slidably installed in the interiors of a pair of sliding grooves, limit sleeves are fixedly installed at the two ends of the winding shaft, a rotating plate is rotatably installed on the surface of the flip cover through a movable shaft, and a cutting assembly is further included.

[0008] The cutting assembly includes an upper cutting box and a lower cutting box fixedly installed on the rotating plate and one side of the containing box, respectively.

[0009] Preferably, the inside of the upper cutting box is slidably mounted with a lower pressing plate, the lower pressing plate is fixedly mounted with a limiting plate near both ends, both ends of the lower cutting box are provided with a limiting slot, and the limiting plate and the limiting slot are in sliding fit.

[0010] Preferably, the bottom of the lower pressing plate is fixedly mounted with a cutting rack, two pairs of return springs are fixedly mounted between both ends of the lower pressing plate and the inner bottom of the upper cutting box, and a lower pressing handle is fixedly mounted on the surface of the lower pressing plate and slidably penetrates the top of the upper cutting box.

[0011] Preferably, the inside of the accommodating box is rotatably mounted with a pair of pressing rollers, and the accommodating box is fixedly mounted with a supporting strip near the inner top.

[0012] A preservative film, comprising a preservative film sleeved on a reel, the preservative film being provided with equidistant breakable bands, the preservative film comprising a five-layer structure, the first layer and the fifth layer being made of PE material, the second layer and the fourth layer being made of PVC material, and the third layer being made of PVDC material.

[0013] The utility model discloses a kind of measuring device and use method suitable for deep horizontal displacement monitoring, compared with prior art, with the following improvements and advantages

[0014] Firstly, the reel is provided to support the installation and use of the preservative film, and the pair of pressing rollers is provided to support the pulling of the preservative film, prevent other situations from occurring during pulling, and affect the cutting operation of the preservative film.

[0015] Secondly, the two groups of return springs are provided between the lower pressing plate and the upper cutting box to ensure that the lower pressing plate can rebound with the cutting rack in time after pressing and cutting, and the limiting plate and the limiting slot are provided to limit the downward movement of the lower pressing plate, prevent the lower pressing plate from shaking under the action of the return springs, and cause unstable cutting or uneven cutting.

[0016] The existing technology can cut the preservative film, but the cutting effect is poor due to the softness of the preservative film, the preservative film is easily bent during sliding, the cutting is not in place, and the normal use of the preservative film is affected. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 The overall first perspective structure schematic view provided by the present application is provided.

[0019] Figure 2 The overall internal structure schematic view provided by the present application is provided.

[0020] Figure 3 The cutting assembly structure schematic view provided by the present application is provided.

[0021] Figure 4 The reel structure schematic view provided by the present application is provided.

[0022] Figure 5 The preservative film structure schematic view provided by the present application is provided.

[0023] Reference signs:

[0024] 1, containing box; 2, flip cover; 3, lower cutting box; 4, upper cutting box; 5, lower pressing handle; 6, rotating plate; 7, pressing roller; 8, sliding groove; 9, preservative film; 10, reel; 11, limiting sleeve; 12, return spring; 13, limiting groove; 14, pressing plate; 15, cutting rack; 16, limiting plate; 17, supporting strip; 18, easy-to-break belt. Specific embodiments

[0025] The present application will be described in detail below, and the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0026] The present application provides a preservative film and a preservative film box set by improvement. The technical solutions of the present application are:

[0027] Embodiment one

[0028] As Figures 1 to 4As shown, the utility model embodiment provides a kind of preservative film box group, including containing box 1, the surface of containing box 1 is rotatably installed with cover 2, cover 2 is connected between containing box 1 by movable shaft, the two inner side walls of containing box 1 are all provided with sliding slot 8, the inside of a pair of sliding slot 8 is slidably installed with reel 10, the two ends of reel 10 are all fixedly installed with limit sleeve 11, cover 2 surface is rotatably installed with rotating plate 6, further including cutting assembly, containing box 1 can be provided for cutting assembly etc.

[0029] Cutting assembly, cutting assembly includes the upper cutting box 4 and lower cutting box 3 respectively fixedly installed in rotating plate 6 containing box 1 one side, by setting up upper cutting box 3 and lower cutting box 4 can the efficient cutting of preservative film 9, avoid the uneven fracture, to affect the normal use of preservative film 9.

[0030] Further, the inside of upper cutting box 4 is slidably installed with lower pressing plate 14, lower pressing plate 14 is fixedly installed with limit plate 16 close to two ends, the two ends of lower cutting box 3 are all provided with limit slot 13, limit plate 16 and limit slot 13 between sliding fit, by setting up limit plate 16 and limit slot 13 can the movement of lower pressing plate 14 provide limit, ensure that it can stably move, to improve the cutting quality of cutting assembly.

[0031] Further, the bottom of lower pressing plate 14 is fixedly installed with cutting rack 15, two pairs of reset springs 12 are fixedly installed between the two ends of lower pressing plate 14 and the inner bottom of upper cutting box 4, lower pressing plate 14 is fixedly installed with lower pressing handle 5 on the surface, lower pressing handle 5 is slidably penetrated through the top of upper cutting box 4, by setting up cutting rack 15, can the flat cutting of preservative film 9, in addition, since cutting rack 15 is layered setting, is composed of multiple long teeth and short teeth, to better cutting of preservative film 9, improve the convenience of cutting.

[0032] Further, a pair of pressure rollers 7 is rotatably installed in containing box 1, supporting strip 17 is fixedly installed close to the inner top of containing box 1, by setting up a pair of pressure rollers 7 can facilitate the pulling use of preservative film 9, cooperate supporting strip 17 can effectively prevent the fracture phenomenon of preservative film 9 from occurring when pulling.

[0033] Embodiment two

[0034] As Figure 5 As shown, the embodiment provides a kind of preservative film, including the preservative film 9 of reel 10 on setting, preservative film 9 is equidistantly provided with easy-to-break belt 18, preservative film 9 includes five-layer structure, first layer and fifth layer structure are made of PE material, second layer and fourth layer structure are made of PVC material, third layer structure is made of PVDC material.

[0035] Specific working principle: the setting can provide support for the installation of the cutting assembly and the cling film 9, the setting can facilitate the cutting and use of the cling film 9, improve the convenience of use, and the setting of the rotating plate 6 can rotate with the cutting assembly, when cutting is completed, if it is needed to be used again, only the cutting assembly is rotated out, since the cling film 9 itself has certain viscosity, it will be attached to the supporting strip 17, when the cutting assembly is rotated out, the cling film 9 can be exposed, thereby facilitating the pulling out for use again, in addition, a pair of pressure rollers 7 are arranged in the accommodating box 1, the setting of the pressure rollers 7 can well provide buffer support for the cling film 9, cooperate with the supporting strip 17, can effectively prevent the phenomenon of breaking when the cling film 9 is pulled out, thereby affecting the subsequent use.

[0036] The above description enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will accord with the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A preservative film box set, comprising a containing box (1), the surface of the containing box (1) is rotatably installed with a cover (2), characterized in that: The cover (2) is connected with the containing box (1) through a movable shaft, both inner side walls of the containing box (1) are provided with a sliding groove (8), the inside of a pair of the sliding grooves (8) is jointly and slidably installed with a reel (10), both ends of the reel (10) are fixedly installed with a limiting sleeve (11), the surface of the cover (2) is rotatably installed with a rotating plate (6), and the rotating plate (6) further comprises; A cutting assembly is arranged on one side of the containing box (1) and comprises an upper cutting box (4) and a lower cutting box (3).

2. A fresh-keeping film box set according to claim 1, characterized in that: The inside of the upper cutting box (4) is slidably installed with a pressing plate (14), the pressing plate (14) is fixedly installed with a limiting plate (16) near both ends, both ends of the lower cutting box (3) are provided with a limiting groove (13), and the limiting plate (16) and the limiting groove (13) are in sliding fit.

3. A fresh-keeping film box set according to claim 2, characterized in that: The bottom of the pressing plate (14) is fixedly installed with a cutting rack (15), both ends of the pressing plate (14) and the inner bottom of the upper cutting box (4) are jointly and fixedly installed with two pairs of return springs (12), the surface of the pressing plate (14) is fixedly installed with a pressing handle (5), and the pressing handle (5) slidably penetrates through the top of the upper cutting box (4).

4. A fresh-keeping film box set according to claim 2, characterized in that: The inside of the containing box (1) is rotatably installed with a pair of pressing rollers (7), and the containing box (1) is fixedly installed with a supporting strip (17) near the inner top.

5. A cling film for use in a cling film cartridge set according to any one of claims 1-4, characterized in that: The fresh-keeping film (9) is sleeved on the reel (10), equidistantly provided with a breakable belt (18) on the fresh-keeping film (9), and the fresh-keeping film (9) comprises a five-layer structure, the first layer and the fifth layer are made of PE material, the second layer and the fourth layer are made of PVC material, and the third layer is made of PVDC material.

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