Flame-retardant composite mylar film

Abstract

The utility model relates to the technical field of mylar films, and discloses a flame-retardant composite mylar film, which comprises a plastic hollow cylinder and a mylar film body, second preformed grooves are arranged at the top end and the bottom end of one side of the plastic hollow cylinder, the mylar film body is wound outside the plastic hollow cylinder, a positioning frame is arranged at the front end of the plastic hollow cylinder, and the positioning frame is arranged at the bottom end of the plastic hollow cylinder. A first reserved groove is formed in the front end of the positioning frame, a reset spring is fixedly connected to the rear end of the interior of the first reserved groove, and a positioning clamp is fixedly connected to the front end of the reset spring. According to the flame-retardant composite mylar, by arranging the positioning frame and other parts, after the flame-retardant composite mylar is used, the positioning clamp can be pulled towards one end by utilizing the elasticity of the reset spring, then one end of the mylar body is placed on the positioning frame, and the mylar body can be positioned on the positioning frame by loosening the positioning clamp, so that the end can be quickly found when the flame-retardant composite mylar is used next time, and the flame-retardant composite mylar is more applicable; the problem that the end of the mylar film is inconvenient to find and pull to the outside is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mylar sheets, in particular to a flame-retardant composite mylar sheet. Background Technique

[0002] A mylar sheet is a high-performance double-sided tape. It adopts composite materials and special structure technologies, and can achieve high adhesion strength and thermal conductivity in a variety of application scenarios. According to types and uses, mylar sheets can be divided into conductive mylar sheets, insulating mylar sheets, heat-conducting mylar sheets, and so on.

[0003] According to the design of the existing flame-retardant composite mylar sheet, when using the wound mylar sheet, it is necessary to find its end and pull it out, and then cut it according to the required length. Since the mylar sheet is relatively thin, it is troublesome to find the end, so it is not convenient to use, and its structure needs to be improved.

[0004] Now, a new type of flame-retardant composite mylar sheet is proposed to solve the above scheme. Content of the Utility Model

[0005] The purpose of the utility model is to provide a flame-retardant composite mylar sheet to solve the problem of not being convenient to quickly find the end of the mylar sheet and pull it out as mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: A flame-retardant composite mylar sheet, including a plastic hollow cylinder and a mylar sheet body. At the top and bottom of one side of the plastic hollow cylinder, there are second reserved grooves. The mylar sheet body is wound around the outside of the plastic hollow cylinder. At the front end of the plastic hollow cylinder, there is a positioning frame. Inside the front end of the positioning frame, there is a first reserved groove. At the rear end inside the first reserved groove, there is a reset spring fixedly connected. The front end of the reset spring is fixedly connected with a positioning clip.

[0007] Preferably, there are two groups of the first reserved grooves, and the first reserved grooves are symmetrically distributed at the top and bottom of the front end of the positioning frame.

[0008] Preferably, the rear end of the positioning frame is detachably clamped at the top of the plastic hollow cylinder.

[0009] Preferably, a connecting rod is horizontally penetrated inside the second reserved groove, and the connecting rod is movably embedded inside the second reserved groove.

[0010] Preferably, on one side of the connecting rod, there is a fixed rod fixedly connected, on the other side of the connecting rod, there is a limiting block fixedly connected, and on one side of the fixed rod, there is a cleaning cotton block fixedly connected.

[0011] Preferably, the fixed rod has the same length as the plastic hollow cylinder.

[0012] Preferably, a first adhesive layer is provided on the outer part of the mylar sheet body. A flame retardant layer is fixedly connected to the outer part of the first adhesive layer. A second adhesive layer is fixedly connected to the outer part of the flame retardant layer. A wear-resistant layer is fixedly connected to the outer part of the second adhesive layer.

[0013] Preferably, the flame retardant layer is made of carbon fiber material, and the wear-resistant layer is made of PET flame retardant film material.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: This flame retardant composite mylar sheet not only realizes quickly finding the end of the mylar sheet during use, realizes facilitating the cleaning of impurities and dust on the surface of the mylar sheet, but also has better wear resistance and improved flame retardant performance;

[0015] (1) By providing a positioning frame, a first reserved groove, a return spring, and a positioning clip, there are two groups of first reserved grooves, which are symmetrically distributed at the top and bottom of the front end of the positioning frame. The rear end of the positioning frame is detachably clamped to the top end of the plastic hollow cylinder. After use, by using the elasticity of the return spring, the positioning clip can be pulled towards one end, and then one end of the mylar sheet body is placed on the positioning frame. Loosening the positioning clip can position the mylar sheet body on the positioning frame. In this way, the end can be quickly found during the next use, making it more applicable;

[0016] (2) By providing a second reserved groove, a connecting rod, a fixing rod, a cleaning cotton block, and the mylar sheet body, since the connecting rod is horizontally penetrated through the inside of the second reserved groove, the connecting rod can move inside the second reserved groove. One side of the connecting rod is fixedly connected to the fixing rod, and the other side of the connecting rod is fixedly connected to a limiting block. One side of the fixing rod is fixedly connected to the cleaning cotton block, so the position of the cleaning cotton block can be adjusted according to the winding width. Thus, when the mylar sheet body is pulled out, it can pass through the cleaning cotton block to wipe the dust on the surface of the mylar sheet body, making it more applicable;

[0017] (3) By providing the mylar sheet body, a first adhesive layer, a flame retardant layer, a second adhesive layer, and a wear-resistant layer, since the first adhesive layer is provided on the outer part of the mylar sheet body, the flame retardant layer is fixedly connected to the outer part of the first adhesive layer, the second adhesive layer is fixedly connected to the outer part of the flame retardant layer, and the wear-resistant layer is fixedly connected to the outer part of the second adhesive layer. The flame retardant layer is made of carbon fiber material, and the wear-resistant layer is made of PET flame retardant film material. Because the PET flame retardant film material has both wear resistance and flame retardant performance, the surface is not easily worn and is tear-resistant. Through the setting of the carbon fiber material in the flame retardant layer, the flame retardant effect is greatly enhanced, making it more applicable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the front view sectional structure schematic diagram of the present utility model;

[0019] Figure 2Schematic side view of the connection method between the positioning frames of the present utility model;

[0020] Figure 3 Schematic side view of the connection method between the flame-retardant layer and the Mylar sheet body of the present utility model;

[0021] Figure 4 Schematic front view of the connection method between the fixed rod and the plastic hollow cylinder of the present utility model.

[0022] In the figure: 1. Plastic hollow cylinder; 2. Positioning frame; 3. First reserved groove; 4. Return spring; 5. Positioning clamp; 6. Second reserved groove; 7. Connecting rod; 8. Fixed rod; 9. Cleaning cotton block; 10. Mylar sheet body; 11. First adhesive layer; 12. Flame-retardant layer; 13. Second adhesive layer; 14. Wear-resistant layer; 15. Limit block. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1: Please refer to Figures 1-4 , the flame-retardant composite Mylar sheet, including a plastic hollow cylinder 1 and a Mylar sheet body 10. Second reserved grooves 6 are provided at the top and bottom of one side of the plastic hollow cylinder 1. The Mylar sheet body 10 is wound around the outside of the plastic hollow cylinder 1. A positioning frame 2 is provided at the front end of the plastic hollow cylinder 1. A first reserved groove 3 is provided inside the front end of the positioning frame 2. A return spring 4 is fixedly connected to the rear end inside the first reserved groove 3. The front end of the return spring 4 is fixedly connected to a positioning clamp 5;

[0025] There are two groups of first reserved grooves 3, and the first reserved grooves 3 are symmetrically distributed at the top and bottom of the front end of the positioning frame 2;

[0026] The rear end of the positioning frame 2 is detachably clamped at the top of the plastic hollow cylinder 1;

[0027] Specifically, as shown in Figure 1 and Figure 2 , after use, by using the elasticity of the return spring 4, the positioning clamp 5 can be pulled towards one end, and then one end of the Mylar sheet body 10 is placed on the positioning frame 2. Loosening the positioning clamp 5 can position the Mylar sheet body 10 on the positioning frame 2. In this way, when used next time, the end can be quickly found, which is more applicable.

[0028] Embodiment 2: A connecting rod 7 is horizontally and penetratingly arranged inside the second reserved groove 6, and the connecting rod 7 is embedded inside the second reserved groove 6 and can move;

[0029] One side of the connecting rod 7 is fixedly connected with a fixed rod 8, the other side of the connecting rod 7 is fixedly connected with a limiting block 15, and one side of the fixed rod 8 is fixedly connected with a cleaning cotton block 9;

[0030] The fixed rod 8 has the same length as the plastic hollow cylinder 1;

[0031] Specifically, as Figure 1 and Figure 4 shown, due to the movable relationship of the connecting rod 7 in the second reserved groove 6, the position of the cleaning cotton block 9 can be adjusted according to the winding width, so that when the mylar sheet body 10 is pulled, it can pass through the cleaning cotton block 9 to wipe the dust on the surface of the mylar sheet body 10, making it more applicable.

[0032] Embodiment 3: A first adhesive layer 11 is arranged outside the mylar sheet body 10, a flame retardant layer 12 is fixedly connected to the outside of the first adhesive layer 11, a second adhesive layer 13 is fixedly connected to the outside of the flame retardant layer 12, and a wear-resistant layer 14 is fixedly connected to the outside of the second adhesive layer 13;

[0033] The flame retardant layer 12 is made of carbon fiber material, and the wear-resistant layer 14 is made of PET flame retardant film material;

[0034] Specifically, as Figure 1 and Figure 3 shown, since the PET flame retardant film material has both wear resistance and flame retardant properties, the surface thereof is not easily worn and tear-resistant. Through the setting of the carbon fiber material in the flame retardant layer 12, the flame retardant effect is greatly enhanced, making it more applicable.

[0035] Working principle: When the present utility model is in use, first, since the PET flame retardant film material has both wear resistance and flame retardant properties, the surface thereof is not easily worn and tear-resistant. Through the setting of the carbon fiber material in the flame retardant layer 12, the flame retardant effect is greatly enhanced, making it more applicable. After that, due to the movable relationship of the connecting rod 7 in the second reserved groove 6, the position of the cleaning cotton block 9 can be adjusted according to the winding width, so that when the mylar sheet body 10 is pulled, it can pass through the cleaning cotton block 9 to wipe the dust on the surface of the mylar sheet body 10, making it more applicable. Finally, after use, by using the elasticity of the return spring 4, the positioning clip 5 can be pulled towards one end, then one end of the mylar sheet body 10 is placed on the positioning frame 2, and releasing the positioning clip 5 can position the mylar sheet body 10 on the positioning frame 2. In this way, when using next time, the end can be quickly found, making it more applicable.

[0036] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A flame retardant composite Mylar sheet, comprising a plastic hollow tube (1) and a Mylar sheet body (10), characterized in that: A second reserved groove (6) is arranged at the top and bottom of one side of the plastic hollow tube (1); a Mylar sheet body (10) is wound around the outside of the plastic hollow tube (1); a positioning frame (2) is arranged at the front end of the plastic hollow tube (1); a first reserved groove (3) is arranged inside the front end of the positioning frame (2); a return spring (4) is fixedly connected to the rear end of the first reserved groove (3); and a positioning clamp (5) is fixedly connected to the front end of the return spring (4).

2. The flame retardant composite Mylar sheet according to claim 1, characterized in that: Two groups of the first reserved grooves (3) are provided, and the first reserved grooves (3) are symmetrically distributed at the top and bottom of the front end of the positioning frame (2).

3. The flame retardant composite Mylar sheet according to claim 1, characterized in that: The rear end of the positioning frame (2) is detachably clamped on the top end of the plastic hollow cylinder (1).

4. The flame retardant composite Mylar sheet according to claim 1, characterized in that: A connecting rod (7) is arranged to penetrate the interior of the second reserved groove (6) transversely, and the connecting rod (7) is movably embedded in the interior of the second reserved groove (6).

5. The flame retardant composite Mylar sheet according to claim 4, characterized in that: One side of the connecting rod (7) is fixedly connected to a fixing rod (8), the other side of the connecting rod (7) is fixedly connected to a limiting block (15), and one side of the fixing rod (8) is fixedly connected to a cleaning cotton block (9).

6. The flame retardant composite Mylar sheet according to claim 5, characterized in that: The fixing rod (8) has the same length as the plastic hollow cylinder (1).

7. The flame retardant composite Mylar sheet according to claim 1, characterized in that: The outside of the Mylar sheet body (10) is provided with a first adhesive layer (11), the outside of the first adhesive layer (11) is fixedly connected to a flame retardant layer (12), the outside of the flame retardant layer (12) is fixedly connected to a second adhesive layer (13), and the outside of the second adhesive layer (13) is fixedly connected to a wear-resistant layer (14).

8. The flame retardant composite Mylar sheet according to claim 7, characterized in that: The flame retardant layer (12) is made of carbon fiber material, and the wear-resistant layer (14) is made of PET flame retardant film material.

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