Composite adhesive film with shielding conductive structure
By designing a film body with a shielding conductive structure in the composite film, combined with the design of the reinforcement film, the shortcomings of the composite film in shielding electromagnetic interference and tensile resistance are solved, and stronger shielding performance and longer service life are achieved.
Patent Information
- Application Number
- CN202421417436.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The existing composite films lack sufficient performance in shielding electromagnetic interference, and have low strength and are prone to fracture.
A composite adhesive film having a shielding conductive structure is designed, including a film body and a winding cylinder. The membrane body is composed of a shielding conductive mechanism, a first reinforcement film, a second reinforcement film and a heat-resistant adhesive film. The shielding conductive mechanism includes a copper foil, a shielding wire mesh and a conductive cloth. The first and second reinforcement films include a reinforcement screen, a tensile film and a plastic adhesive film.
Through multiple shielding protection, electromagnetic interference is significantly reduced, and tensile resistance is improved through reinforcement film, making the adhesive film more firm, less likely to break, and prolongs service life.
Smart Images
Figure CN222647882U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of composite adhesive films, in particular to a composite adhesive film with a shielding conductive structure. Background Art
[0002] Adhesive films are widely used and are often used in electronic devices. With the widespread use of electronic equipment, electromagnetic interference problems are becoming increasingly prominent. The shielding performance of existing composite adhesive films needs to be improved, and the strength of composite adhesive films is average and they are easily broken by pulling. Utility Model Content
[0003] The purpose of the utility model is to provide a composite adhesive film with a shielding conductive structure to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite adhesive film with a shielding conductive structure, comprising a film body and a winding drum, the surface of the winding drum is wound with the film body, the film body comprises a shielding conductive mechanism, a first reinforcement film, a second reinforcement film and a heat-resistant adhesive film, the top of the shielding conductive mechanism is connected to the bottom of the first reinforcement film, the bottom of the shielding conductive mechanism is connected to the top of the second reinforcement film, the shielding conductive mechanism comprises copper foil, a shielding wire mesh and a conductive cloth, both sides of the copper foil are connected to the shielding wire mesh, one side of the shielding wire mesh is connected to the conductive cloth, the first reinforcement film and the second reinforcement film both comprise a reinforcement mesh, an anti-stretching film connected to both sides of the reinforcement mesh and a plastic adhesive film connected to the outside of the anti-stretching film.
[0005] As a preferred technical solution of the utility model, a support rod is inserted and connected in the middle of the winding drum, and the width of the film body is smaller than the width of the winding drum.
[0006] As a preferred technical solution of the utility model, the surface of the film body is provided with a scale, and the scale is arranged on the outside of the film body, and the scale is convenient for cutting the required length of the film body.
[0007] As a preferred technical solution of the utility model, an adhesive layer is provided at the bottom of the second reinforcement film, and a release film is bonded to the bottom of the adhesive layer.
[0008] As a preferred technical solution of the utility model, the shielding wire mesh is made of copper, the conductive cloth is connected to the surface of the shielding wire mesh, and the shielding wire mesh is used to improve the shielding performance of the film body.
[0009] As a preferred technical solution of the utility model, the reinforcement net is made of nylon, the anti-stretching film is made of polyvinyl chloride, and the plastic film is made of polyethylene.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The shielding conductive mechanism improves the shielding performance of the entire composite film during use. The shielding conductive mechanism includes copper foil, shielding wire mesh and conductive cloth. The multiple shielding protections can greatly reduce electromagnetic interference. The first reinforcement film and the second reinforcement film at the top and bottom of the shielding conductive mechanism reinforce the film. The first reinforcement film and the second reinforcement film include a reinforcement net, an anti-stretching film and a plastic film. The entire composite film has good tensile resistance, is stronger, not easy to break, and has a longer service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the structure of the utility model;
[0013] Figure 2 This is a structural diagram of the membrane body of the utility model;
[0014] Figure 3 This is a structural diagram of the shielding conductive mechanism of the utility model;
[0015] Figure 4 This is a structural diagram of the first reinforcement membrane of the utility model.
[0016] In the figure: 1. Film body; 2. Winding drum; 3. Shielding conductive mechanism; 4. First reinforcement film; 5. Second reinforcement film; 6. Heat-resistant adhesive film; 7. Adhesive layer; 8. Release film; 9. Copper foil; 10. Shielding wire mesh; 11. Conductive cloth; 12. Scale; 13. Support rod; 14. Reinforcement net; 15. Anti-stretching film; 16. Plastic adhesive film. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, 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.
[0018] See also Figure 1-4The utility model provides a composite adhesive film with a shielding conductive structure, comprising a film body 1 and a winding drum 2, the surface of the winding drum 2 is wound with the film body 1, the film body 1 comprises a shielding conductive mechanism 3, a first reinforcement film 4, a second reinforcement film 5 and a heat-resistant adhesive film 6, the top of the shielding conductive mechanism 3 is connected to the bottom of the first reinforcement film 4, the bottom of the shielding conductive mechanism 3 is connected to the top of the second reinforcement film 5, the shielding conductive mechanism 3 comprises a copper foil 9, a shielding wire mesh 10 and a conductive cloth 11, both sides of the copper foil 9 are connected to the shielding wire mesh 10, one side of the shielding wire mesh 10 is connected to the conductive cloth 11, the first reinforcement film 4 and the second reinforcement film 5 each comprise a reinforcement mesh 14, an anti-stretching film 15 connected to both sides of the reinforcement mesh 14 and a plastic adhesive film 16 connected to the outside of the anti-stretching film 15, a support rod 13 is inserted and connected to the middle of the winding drum 2, the width of the film body 1 is smaller than the width of the winding drum 2, and a scale 12 is provided on the surface of the film body 1, and the scale 12 is arranged on the outside of the film body 1;
[0019] In this embodiment, the film body 1 is pulled out from the winding drum 2 , and after cutting to a required length, the release film 8 at the bottom of the film body 1 is peeled off, and the film body 1 can be bonded to a desired position through the adhesive layer 7 .
[0020] See also Figure 1-3 The bottom of the second reinforcement film 5 is provided with an adhesive layer 7, the bottom of the adhesive layer 7 is bonded with a release film 8, the shielding screen 10 is made of copper, and the conductive cloth 11 is connected to the surface of the shielding screen 10;
[0021] In this embodiment, the shielding conductive mechanism 3 improves the shielding performance of the adhesive film. The shielding conductive mechanism 3 includes a copper foil 9, a shielding wire mesh 10 and a conductive cloth 11. Multiple shielding protection can reduce electromagnetic interference.
[0022] See also Figure 4 The reinforcement net 14 is made of nylon, the anti-stretching film 15 is made of polyvinyl chloride, and the plastic film 16 is made of polyethylene. In this embodiment, the top and bottom of the shielding conductive mechanism 3 are reinforced by the first reinforcement film 4 and the second reinforcement film 5, and the first reinforcement film 4 and the second reinforcement film 5 include the reinforcement net 14, the anti-stretching film 15 and the plastic film 16, which have good tensile resistance and are more firm.
[0023] During specific use, the utility model is a composite adhesive film with a shielding conductive structure. The film body 1 is pulled out from the winding drum 2. After cutting the required length, the release film 8 at the bottom of the film body 1 is peeled off, and the film body 1 can be bonded to the required position through the adhesive layer 7. During the use of the entire composite adhesive film, the shielding conductive mechanism 3 improves the shielding performance of the film. The shielding conductive mechanism 3 includes a copper foil 9, a shielding wire mesh 10 and a conductive cloth 11. The multiple shielding protection can greatly reduce electromagnetic interference. In addition, the first reinforcement film 4 and the second reinforcement film 5 at the top and bottom of the shielding conductive mechanism 3 reinforce the film, and the first reinforcement film 4 and the second reinforcement film 5 include a reinforcement mesh 14, an anti-stretching film 15 and a plastic film 16. The entire composite adhesive film has good tensile resistance, is more solid, is not easy to break, and has a longer service life.
[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A composite adhesive film with a shielding conductive structure, comprising a film body (1) and a winding drum (2), characterized in that: The surface of the winding drum (2) is wound with a film body (1), the film body (1) comprising a shielding conductive structure (3), a first reinforcement film (4), a second reinforcement film (5) and a heat-resistant adhesive film (6), the top of the shielding conductive structure (3) is connected to the bottom of the first reinforcement film (4), the bottom of the shielding conductive structure (3) is connected to the top of the second reinforcement film (5), the shielding conductive structure (3) comprises a copper foil (9), a shielding wire mesh (10) and a conductive cloth (11), both sides of the copper foil (9) are connected to the shielding wire mesh (10), one side of the shielding wire mesh (10) is connected to the conductive cloth (11), the first reinforcement film (4) and the second reinforcement film (5) both comprise a reinforcement mesh (14), an anti-stretching film (15) connected to both sides of the reinforcement mesh (14) and a plastic adhesive film (16) connected to the outside of the anti-stretching film (15).
2. The composite adhesive film with a shielding conductive structure according to claim 1, characterized in that: A support rod (13) is inserted and connected in the middle of the winding drum (2), and the width of the membrane body (1) is smaller than the width of the winding drum (2).
3. The composite adhesive film with a shielding conductive structure according to claim 1, characterized in that: The surface of the membrane body (1) is provided with scales (12), and the scales (12) are arranged on the outside of the membrane body (1).
4. The composite adhesive film with a shielding conductive structure according to claim 1, characterized in that: An adhesive layer (7) is provided at the bottom of the second reinforcement film (5), and a release film (8) is bonded to the bottom of the adhesive layer (7).
5. The composite adhesive film with a shielding conductive structure according to claim 1, characterized in that: The shielding wire mesh (10) is made of copper, and the conductive cloth (11) is connected to the surface of the shielding wire mesh (10).
6. The composite adhesive film with a shielding conductive structure according to claim 1, characterized in that: The reinforcing net (14) is made of nylon, the anti-stretching film (15) is made of polyvinyl chloride, and the plastic film (16) is made of polyethylene.