High-temperature-resistant and stretch-resistant insulating tape

Abstract

The utility model discloses a high-temperature-resistant stretch-resistant insulating tape which comprises a tape body, and the tape body comprises a base material layer, an acrylic acid adhesive layer, a ceramic fiber coating, a silicone rubber layer, a polyamide coating and a silicone oil release film layer. The acrylic acid adhesive layer is arranged on the bottom surface of the ceramic fiber coating and is used for providing an adhesive property; a corrugated structure is arranged on the acrylic acid adhesive layer; the silicone rubber layer is arranged on the top surface of the base material layer, and the silicone rubber layer is of a latticed structure. The ceramic fiber coating has a higher melting point and a lower thermal expansion coefficient, so that the adhesive tape body has better high-temperature resistance and can be suitable for various high-temperature application scenes; the silicone rubber layer has good elasticity and flexibility, so that the silicone rubber layer can be deformed to a certain degree and cannot be broken when being stretched; meanwhile, the silicon rubber layer is of a latticed structure, and the latticed structure can enable the insulating rubber tape to uniformly distribute stress when the insulating rubber tape is pulled, so that the tensile property is enhanced.

Description

Technical Field

[0001] The utility model relates to the field of insulating tapes, in particular to a high temperature resistant and stretch resistant insulating tape. Background Art

[0002] Insulating tape, also known as insulating adhesive tape, is usually composed of an insulating base material and an adhesive layer. The base material is generally made of cotton cloth, synthetic fiber fabric or plastic film, and the adhesive layer is made of rubber and tackifying resin and other compounding agents. Insulating tape has good adhesion, excellent insulation performance, flame retardancy and weather resistance. It is widely used in electrical work such as wire wrapping, connection and electrical insulation used below 380V.

[0003] In the prior art, during the use of insulating tape, due to its poor high temperature resistance, it is difficult to meet the requirements of using the insulating tape in some high temperature scenarios. At the same time, its tensile strength is weak, and it is easy to break or break, which leads to insulation failure, increases the risk of electrical equipment failure, and poses a safety hazard.

[0004] Therefore, the prior art has defects and needs to be improved. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a high temperature resistant and stretch resistant insulating adhesive tape with good insulating effect and high use safety.

[0006] To achieve this purpose, the utility model adopts the following technical scheme: a high temperature resistant and stretch-resistant insulating tape, comprising a tape body;

[0007] The tape body comprises a substrate layer, an acrylic adhesive layer, a ceramic fiber coating, a silicone rubber layer, a polyamide coating and a silicone oil release film layer;

[0008] The ceramic fiber coating is arranged on the bottom surface of the substrate layer, and the acrylic adhesive layer is arranged on the bottom surface of the ceramic fiber coating to provide bonding performance.

[0009] The acrylic adhesive layer is provided with a corrugated structure, and the silicone oil release film layer is attached to the bottom surface of the acrylic adhesive layer to isolate the acrylic adhesive layer from the external environment.

[0010] The silicone rubber layer is arranged on the top surface of the substrate layer, and the silicone rubber layer is in a grid structure, and the polyamide coating is arranged on the top surface of the silicone rubber layer.

[0011] By adopting the above technical solution, in the high temperature resistant and stretch resistant insulating tape, the base material layer is made of polyethylene or polyvinyl chloride.

[0012] By adopting the above-mentioned technical solutions, in the high-temperature resistant and tensile-resistant insulating tape, the silicone oil release film layer is a transparent oil release film layer.

[0013] By adopting the above-mentioned technical solutions, in the high temperature resistant and tensile resistant insulating tape, the thickness of the tape body is 2-4 mm, and the width of the tape body is 5-50 mm.

[0014] By adopting the above-mentioned technical solutions, in the high-temperature resistant and tensile-resistant insulating tape, the thickness of the ceramic fiber coating is 10-30 μm, and the thickness of the acrylic adhesive layer is 20-40 μm.

[0015] By adopting the above-mentioned technical solutions, in the high temperature resistant and tensile resistant insulating tape, the thickness of the silicone rubber layer is 12-30 μm, and the thickness of the polyamide coating is 8-20 μm.

[0016] By adopting the above-mentioned technical solutions, in the high-temperature resistant and stretch-resistant insulating tape, the tape body is provided with easy-tear lines at equal intervals along its width direction.

[0017] By adopting the above-mentioned technical solutions, the high-temperature resistant and stretch-resistant insulating tape further includes a tape reel, and the tape reel is used to roll up the tape body.

[0018] By adopting the above-mentioned technical solutions, the high temperature resistant and stretch resistant insulating tape further comprises a reel mounting seat, wherein the reel mounting seat is provided with a receiving chamber for accommodating the tape reel;

[0019] A rotating shaft is respectively provided on both sides of the tape reel, and an L-shaped slide groove is provided on the two inner side walls of the reel mounting seat. The vertical section of the L-shaped slide groove extends to the top of the reel mounting seat to allow the rotating shaft to slide into the horizontal section of the L-shaped slide groove.

[0020] By adopting the above-mentioned technical solutions, the high-temperature resistant and tensile-resistant insulating tape also includes a tape cutter, which is arranged on the side wall of the reel mounting seat, and the blade of the tape cutter is bent upward, and the blade is provided with teeth.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] The ceramic fiber coating of the utility model has a higher melting point and a lower thermal expansion coefficient, so that the tape body has better high temperature resistance and can be suitable for various high temperature application scenarios; the acrylic adhesive layer is provided with a corrugated structure, which can increase the surface area of ​​the acrylic adhesive layer, improve the adhesion, and make it easier to adapt to irregular surfaces; the silicone rubber layer has good insulation, elasticity and flexibility, so that when stretched, it can maintain a certain degree of deformation without breaking; at the same time, the silicone rubber layer has a grid structure, and the grid structure can make the insulating tape evenly distribute stress when stretched, thereby enhancing the tensile resistance; the polyamide coating can improve the wear resistance and chemical stability of the insulating tape, reduce the wear or erosion of the tape body by the external environment, and thus increase the service life of the insulating tape. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention.

[0025] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the present utility model;

[0026] Figure 2 It is a schematic diagram of the layered structure of the adhesive tape body of the utility model;

[0027] Figure 3 This is a schematic diagram of the overall structure of Example 2 of the utility model;

[0028] Figure 4 This is a schematic diagram of the tape reel assembly structure of Example 2 of the utility model;

[0029] Figure 5 This is a schematic diagram of the structure of the reel mounting seat of Example 2 of the utility model. DETAILED DESCRIPTION

[0030] In order to make the utility model's purpose, features, and advantages more obvious and easy to understand, the following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the embodiments described below are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally arranged component at the same time.

[0032] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0033] Example 1

[0034] like Figure 1 and Figure 2 As shown, the embodiment of the utility model provides a high temperature resistant and stretch resistant insulating tape, comprising a tape body 10; the tape body 10 comprises a substrate layer 101, an acrylic adhesive layer 102, a ceramic fiber coating 103, a silicone rubber layer 104, a polyamide coating 105 and a silicone oil release film layer 106;

[0035] like Figure 2 As shown, the ceramic fiber coating 103 is disposed on the bottom surface of the substrate layer 101, and the acrylic adhesive layer 102 is disposed on the bottom surface of the ceramic fiber coating 103 to provide bonding performance; since the ceramic fiber coating 103 has a higher melting point and a lower thermal expansion coefficient, the ceramic fiber coating 103 has better high temperature resistance, so that the tape body 10 can maintain stability in a high temperature environment and can be suitable for various high temperature application scenarios; the acrylic adhesive layer 102 can enable the insulating tape to adhere firmly to the target surface to ensure the insulation effect.

[0036] The acrylic adhesive layer 102 is provided with a corrugated structure 107, which can increase the surface area of ​​the acrylic adhesive layer 102, improve the adhesion, make it easier to adapt to irregular surfaces, ensure the fit, and make the insulating tape adhere more firmly to the target surface.

[0037] The silicone oil release film layer 106 is attached to the bottom surface of the acrylic adhesive layer 102 to isolate the acrylic adhesive layer 102 from the external environment; the silicone oil release film layer 106 can isolate the external environment, prevent dust, water vapor and other substances from affecting the acrylic adhesive layer 102, and maintain the stable bonding performance of the insulating tape. In addition, the silicone oil release film layer 106 has good non-adhesive properties, which can reduce adhesion, make it easier to peel off, and avoid adhesion.

[0038] The silicone rubber layer 104 is disposed on the top surface of the substrate layer 101, and the silicone rubber layer 104 is in a grid-like structure, and the polyamide coating 105 is disposed on the top surface of the silicone rubber layer 104. The silicone rubber layer 104 has good insulation properties and can block current, and the silicone rubber layer 104 has good elasticity and flexibility, so that it can maintain a certain degree of deformation without breaking when stretched; at the same time, the grid-like structure can make the insulating tape evenly distribute stress when stretched, thereby enhancing the tensile resistance. The polyamide coating 105 can improve the wear resistance and chemical stability of the insulating tape, reduce the wear or erosion of the tape body 10 by the external environment, and thus improve the service life of the insulating tape.

[0039] Furthermore, the substrate layer 101 is made of polyethylene or polyvinyl chloride. In this embodiment, the substrate layer 101 is made of polyvinyl chloride.

[0040] Furthermore, the silicone oil release film layer 106 is a transparent oil release film layer. The transparent silicone oil release film layer 106 allows the user to clearly see the acrylic adhesive layer 102, which helps to check whether the acrylic adhesive layer 102 is intact, thereby improving the safety of bonding.

[0041] Furthermore, the thickness of the tape body 10 is 2 mm, and the width of the tape body 10 is 50 mm.

[0042] Furthermore, the thickness of the ceramic fiber coating 103 is 10 μm, and the thickness of the acrylic adhesive layer 102 is 20 μm.

[0043] Furthermore, the thickness of the silicone rubber layer 104 is 12 μm, and the thickness of the polyamide coating 105 is 8 μm.

[0044] like Figure 1 As shown, further, the tape body 10 is provided with easy-tear lines 100 at equal intervals along its width direction. Since the insulating tape has good tensile strength, the tape body 10 is difficult to tear into segments manually when in use, and the provision of the easy-tear lines 100 makes the tearing process of the tape body 10 simpler and more convenient, without the need for additional tools, thereby improving the ease of use and operation convenience of the insulating tape.

[0045] Example 2

[0046] like Figures 2 to 5 As shown, the embodiment of the utility model provides a high temperature resistant and stretch resistant insulating tape, comprising a tape body 10; the tape body 10 comprises a substrate layer 101, an acrylic adhesive layer 102, a ceramic fiber coating 103, a silicone rubber layer 104, a polyamide coating 105 and a silicone oil release film layer 106;

[0047] like Figure 2 As shown, the ceramic fiber coating 103 is disposed on the bottom surface of the substrate layer 101, and the acrylic adhesive layer 102 is disposed on the bottom surface of the ceramic fiber coating 103 to provide bonding performance; since the ceramic fiber coating 103 has a higher melting point and a lower thermal expansion coefficient, the ceramic fiber coating 103 has better high temperature resistance, so that the tape body 10 can maintain stability in a high temperature environment and can be suitable for various high temperature application scenarios; the acrylic adhesive layer 102 can enable the insulating tape to adhere firmly to the target surface to ensure the insulation effect.

[0048] The acrylic adhesive layer 102 is provided with a corrugated structure 107, which can increase the surface area of ​​the acrylic adhesive layer 102, improve the adhesion, make it easier to adapt to irregular surfaces, ensure the fit, and make the insulating tape adhere more firmly to the target surface.

[0049] The silicone oil release film layer 106 is attached to the bottom surface of the acrylic adhesive layer 102 to isolate the acrylic adhesive layer 102 from the external environment; the silicone oil release film layer 106 can isolate the external environment, prevent dust, water vapor and other substances from affecting the acrylic adhesive layer 102, and maintain the stable bonding performance of the insulating tape. In addition, the silicone oil release film layer 106 has good non-adhesive properties, which can reduce adhesion, make it easier to peel off, and avoid adhesion.

[0050] The silicone rubber layer 104 is disposed on the top surface of the substrate layer 101, and the silicone rubber layer 104 is in a grid-like structure, and the polyamide coating 105 is disposed on the top surface of the silicone rubber layer 104. The silicone rubber layer 104 has good insulation properties and can block current, and the silicone rubber layer 104 has good elasticity and flexibility, so that it can maintain a certain degree of deformation without breaking when stretched; at the same time, the grid-like structure can make the insulating tape evenly distribute stress when stretched, thereby enhancing the tensile resistance. The polyamide coating 105 can improve the wear resistance and chemical stability of the insulating tape, reduce the wear or erosion of the tape body 10 by the external environment, and thus improve the service life of the insulating tape.

[0051] Furthermore, the substrate layer 101 is made of polyethylene or polyvinyl chloride. In this embodiment, the substrate layer 101 is made of polyethylene.

[0052] Furthermore, the silicone oil release film layer 106 is a transparent oil release film layer. The transparent silicone oil release film layer 106 allows the user to clearly see the acrylic adhesive layer 102, which helps to check whether the acrylic adhesive layer 102 is intact, thereby improving the safety of bonding.

[0053] Furthermore, the thickness of the tape body 10 is 3 mm, and the width of the tape body 10 is 30 mm.

[0054] Furthermore, the thickness of the ceramic fiber coating 103 is 30 μm, and the thickness of the acrylic adhesive layer 102 is 40 μm.

[0055] Furthermore, the thickness of the silicone rubber layer 104 is 30 μm, and the thickness of the polyamide coating 105 is 20 μm.

[0056] like Figure 4 As shown, further, a tape reel 20 is included, and the tape reel 20 is used to roll up the tape body 10.

[0057] like Figures 2 to 5 As shown, further, a reel mounting seat 21 is included, wherein a chamber 210 for accommodating the tape reel 20 is provided inside the reel mounting seat 21, and a rotating shaft 201 is provided on both sides of the tape reel 20, respectively. An L-shaped slide 211 is provided on the two inner side walls of the reel mounting seat 21, and a vertical section 2111 of the L-shaped slide 211 extends to the top of the reel mounting seat 21, so as to allow the rotating shaft 201 to slide into the horizontal section 2112 of the L-shaped slide 211 within a limited position. The reel mounting seat 21 can be used to mount and support the tape reel 20, and the provision of the rotating shaft 201 can enable the tape body 10 on the tape reel 20 to rotate smoothly when winding or using, and is convenient for operation; the L-shaped slide 211 can limit the movement range of the rotating shaft 201, so that the position of the tape reel 20 can be kept stable when rotating on the reel mounting seat 21.

[0058] like Figure 3 and Figure 5As shown, further, a tape cutter 22 is included, and the tape cutter 22 is arranged on the side wall of the reel mounting seat 21, and the blade of the tape cutter 22 is bent upward, and the blade is provided with teeth 221. Since the insulating tape has good tensile resistance, it is difficult to tear the tape body 10 manually when using it, and the setting of the tape cutter 22 can be used to quickly cut the tape body 10, so that the tape body 10 can be quickly cut at a specific length. The setting of the teeth 221 can improve the accuracy of the tape cutter 22 when cutting the tape body 10, ensuring a neat cut.

[0059] The ceramic fiber coating 103 of the utility model has a higher melting point and a lower thermal expansion coefficient, so that the tape body 10 has better high temperature resistance and can be suitable for various high temperature application scenarios; a corrugated structure 107 is provided on the acrylic adhesive layer 102, and the corrugated structure 107 can increase the surface area of ​​the acrylic adhesive layer 102, improve the adhesion, and make it easier to adapt to irregular surfaces; the silicone rubber layer 104 has good insulation, elasticity and flexibility, so that when stretched, it can maintain a certain degree of deformation without breaking; at the same time, the silicone rubber layer 104 has a grid structure, and the grid structure can make the insulating tape evenly distribute stress when stretched, thereby enhancing the tensile resistance; the polyamide coating 105 can improve the wear resistance and chemical stability of the insulating tape, reduce the wear or erosion of the external environment on the tape body 10, and thereby increase the service life of the insulating tape.

[0060] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A high temperature resistant and tensile resistant insulating tape, characterized in that: The invention comprises a tape body; The tape body comprises a substrate layer, an acrylic adhesive layer, a ceramic fiber coating, a silicone rubber layer, a polyamide coating and a silicone oil release film layer; The ceramic fiber coating is disposed on the bottom surface of the substrate layer, and the acrylic adhesive layer is disposed on the bottom surface of the ceramic fiber coating to provide bonding performance; The acrylic adhesive layer is provided with a corrugated structure, and the silicone oil release film layer is attached to the bottom surface of the acrylic adhesive layer to isolate the acrylic adhesive layer from the external environment; The silicone rubber layer is arranged on the top surface of the substrate layer, and the silicone rubber layer is in a grid structure, and the polyamide coating is arranged on the top surface of the silicone rubber layer.

2. The high temperature resistant and tensile resistant insulating tape according to claim 1, characterized in that: The substrate layer is made of polyethylene or polyvinyl chloride.

3. The high temperature resistant and tensile resistant insulating tape according to claim 1, characterized in that: The silicone oil release film layer is a transparent oil release film layer.

4. The high temperature resistant and tensile resistant insulating tape according to claim 2, characterized in that: The thickness of the tape body is 2-4 mm, and the width of the tape body is 5-50 mm.

5. The high temperature resistant and tensile resistant insulating tape according to claim 4, characterized in that: The thickness of the ceramic fiber coating is 10-30 μm, and the thickness of the acrylic adhesive layer is 20-40 μm.

6. The high temperature resistant and tensile resistant insulating tape according to claim 4, characterized in that: The thickness of the silicone rubber layer is 12-30 μm, and the thickness of the polyamide coating is 8-20 μm.

7. The high temperature resistant and tensile resistant insulating tape according to claim 1, characterized in that: The tape body is provided with easy-tear lines at equal intervals along the width direction thereof.

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