Sensitive keyboard key pressing induction film

Abstract

The utility model discloses a sensitive-induction keyboard key pressing induction film, which comprises an induction film main body, a conductive film circuit board is arranged at the bottom of the inner side surface of the induction film main body, and the upper surface of the conductive film circuit board is fixedly connected with a connecting film. According to the sensitive-induction keyboard key pressing induction film, through the arrangement of the separation ribs, the elastic pieces, the connecting pieces and the contacts, the separation ribs divide the interior of the connecting film into a plurality of use spaces, the phenomenon that adjacent key position blocks are connected during use is avoided, and therefore the induction sensitivity of the induction film body is improved; the connecting piece seals the connecting position of the elastic piece and the conductive film circuit board, external dust and water are prevented from entering the conductive film circuit board, the use performance is improved, the elastic piece drives the contact to move downwards to make contact with the corresponding induction area of the conductive film circuit board, the key position block is loosened, and the contact is reset under the recovery effect of the elastic piece. And the sensing sensitivity of the sensing film main body is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of keyboards, and particularly relates to a keyboard key pressing induction film with sensitive induction. Background Technique

[0002] The keyboard is the most commonly used and main input device. Through the keyboard, English letters, numbers, punctuation marks, etc. can be input into the computer, so as to issue commands to the computer, input data, etc. At present, the keyboards are mainly mechanical keyboards and membrane keyboards.

[0003] After retrieval, Chinese Patent Publication (Announcement) No. CN220753276U discloses a foldable keyboard conductive film, which includes a first conductive film. A first connecting plate is fixedly connected to the right side of the first conductive film. A second conductive film is fixedly connected to the right side of the first connecting plate. A second connecting plate is fixedly connected to the right side of the second conductive film. A third conductive film is fixedly connected to the right side of the second connecting plate. When the first conductive film and the third conductive film are externally pressured, the first connecting plate and the second connecting plate are driven to bend. The bending of the first connecting plate and the second connecting plate drives a plurality of first limiting pads to overlap with a plurality of first limiting strips. When moving backward, a plurality of second limiting pads and a plurality of second limiting strips are driven to overlap, so as to avoid damage to the internal circuit due to excessive bending of the first connecting plate and the second connecting plate, achieving the goal of being convenient for folding after the conductive film is externally pressured, and avoiding the problem that the conductive film is prone to breakage after being externally pressured and bent due to the inconvenience of folding of the existing conductive film.

[0004] Although the keyboard conductive film of the above patent is convenient for folding, this design usually causes damage to the internal circuit of the conductive film, affects the keyboard induction sensitivity, and is inconvenient to use. Therefore, it is necessary to design a keyboard key pressing induction film with sensitive induction to solve the above problems. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a keyboard key pressing induction film with sensitive induction, which can effectively solve the problems in the background technique.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A keyboard key pressing induction film with sensitive induction includes an induction film main body. A conductive thin film circuit board is arranged at the bottom of the inner side surface of the induction film main body. A connecting film is fixedly connected to the upper surface of the conductive thin film circuit board. A partition rib is fixedly connected inside the connecting film. Key position blocks are arranged on the surface of the connecting film. An elastic member is fixedly connected to the lower surface of the key position block. A connecting member is fixedly connected to the bottom of the outer surface of the elastic member. The connecting member is fixedly connected to the conductive thin film circuit board. A contact point is fixedly connected to the middle of the inner top wall of the elastic member.

[0008] In order to achieve the effect of support, as a keyboard key pressing induction film with sensitive induction of the present utility model, a bottom plate is fixedly connected to the lower surface of the conductive film circuit board, and key position grooves are formed on the upper surface of the bottom plate.

[0009] In order to achieve the effect of facilitating bonding, as a keyboard key pressing induction film with sensitive induction of the present utility model, an adhesive layer is fixedly connected to the lower surface of the bottom plate.

[0010] In order to achieve the effect of facilitating the tearing of the release paper, as a keyboard key pressing induction film with sensitive induction of the present utility model, a release paper is movably connected to the lower surface of the adhesive layer, and bumps are fixedly connected to the outer surface of the release paper.

[0011] In order to achieve the effect of facilitating the protection of the connection film, as a keyboard key pressing induction film with sensitive induction of the present utility model, an optical adhesive layer is fixedly connected to the upper surface of the connection film, and a protective film is fixedly connected to the upper surface of the optical adhesive layer.

[0012] In order to achieve the effect of enhancing weather resistance, as a keyboard key pressing induction film with sensitive induction of the present utility model, the protective film includes a weather-resistant layer fixed on the surface of the optical adhesive layer.

[0013] In order to achieve the effect of anti-static, as a keyboard key pressing induction film with sensitive induction of the present utility model, an anti-static layer is fixedly connected to the upper surface of the weather-resistant layer.

[0014] In order to achieve the effect of enhancing the tightness of the side connection, as a keyboard key pressing induction film with sensitive induction of the present utility model, a wrapping edge is fixedly connected to the outer surface of the induction film body.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] 1. In the present utility model, through the arrangement of the partition ribs, elastic members, connecting members and contacts, the partition ribs divide the interior of the connection film into multiple use spaces, avoiding the phenomenon of linkage between adjacent key position blocks during use, thereby improving the induction sensitivity of the induction film body, and at the same time enhancing the toughness of the overall structure, having high extensibility. The connecting member seals the connection between the elastic member and the conductive film circuit board, preventing external dust and water from entering, and improving the service performance. When pressing the corresponding key position block, the elastic member drives the contact to move downward and contact the corresponding induction area of the conductive film circuit board. When releasing the key position block, under the action of the self-recovery of the elastic member, the contact resets, further improving the induction sensitivity of the induction film body.

[0017] 2. In the present utility model, through the settings of the adhesive layer, protective film, weather-resistant layer, and anti-static layer, the adhesive layer can fix the bottom plate at a designated location, achieving the effect of assisting in fitting and fixing. The protective film is fixed on the upper surface of the connection film through the optical adhesive layer, effectively preventing delamination. The protective film protects the connection film and extends its service life. The weather-resistant layer has the effect of resisting high temperatures, avoiding damage to the main body of the induction film caused by the heat generated by the internal conductive thin-film circuit board, thereby improving the use effect. The anti-static layer is arranged on the surface of the main body of the induction film, having an anti-static effect, and can effectively remove static electricity and reduce the adsorption of dust and other impurities. Description of the Drawings

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

[0019] Figure 2 is the sectional plane structural schematic diagram of the embodiment of the present utility model;

[0020] Figure 3 is the exploded structural schematic diagram of the embodiment of the present utility model;

[0021] Figure 4 is the internal structural schematic diagram of the connection film of the embodiment of the present utility model.

[0022] In the figure: 1, main body of the induction film; 2, conductive thin-film circuit board; 3, connection film; 4, partition rib; 5, key block; 6, elastic member; 7, connecting member; 8, contact; 9, bottom plate; 10, keyway; 11, adhesive layer; 12, release paper; 13, convex block; 14, optical adhesive layer; 15, protective film; 16, weather-resistant layer; 17, anti-static layer; 18, edge wrapping. Detailed Embodiment

[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 making creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment

[0025] As Figures 1-4As shown in the figure, a highly sensitive keyboard key pressing induction film includes an induction film main body 1. At the bottom of the inner side of the induction film main body 1, there is a conductive film circuit board 2. On the upper surface of the conductive film circuit board 2, there is a connecting film 3 fixedly connected. Inside the connecting film 3, there are partition ribs 4 fixedly connected; on the surface of the connecting film 3, there are key position blocks 5. On the lower surface of the key position blocks 5, there are elastic members 6 fixedly connected. At the bottom of the outer surface of the elastic members 6, there are connecting members 7 fixedly connected, and the connecting members 7 are fixedly connected to the conductive film circuit board 2. In the middle of the inner top wall of the elastic members 6, there are contacts 8 fixedly connected.

[0026] During specific use, through the settings of the conductive film circuit board 2, partition ribs 4, elastic members 6, connecting members 7, and contacts 8, the connecting film 3 is fixed on the surface of the conductive film circuit board 2. There are multiple key position blocks 5 fixed on the surface, and multiple partition ribs 4 are fixed inside according to the key position blocks 5, which can divide the inside of the connecting film 3 into multiple use spaces, avoiding the phenomenon of linkage between adjacent key position blocks 5 during use, thereby improving the induction sensitivity of the induction film main body 1. At the same time, it can enhance the toughness of the overall structure, has good durability, prevents pulling and breaking, and has high extensibility. The elastic members 6 support the space inside the connecting film 3, and the connecting members 7 further strengthen the connection between the elastic members 6 and the conductive film circuit board 2, and at the same time seal the bottom connection to prevent external dust and water from entering, thereby improving its protection effect, improving the use performance, making it more durable. When in use, press the corresponding key position block 5, so that the elastic member 6 drives the contact 8 to move downward and contact the corresponding induction area of the conductive film circuit board 2. Release the key position block 5, and under the action of the self-recovery of the elastic member 6, the contact 8 resets, further improving the induction sensitivity of the induction film main body 1.

[0027] In this embodiment, on the lower surface of the conductive film circuit board 2, there is a bottom plate 9 fixedly connected, and on the upper surface of the bottom plate 9, there are key position grooves 10 opened.

[0028] During specific use, through the setting of the bottom plate 9, it plays a role in supporting the conductive film circuit board 2. There are multiple key position grooves 10 on the surface of the bottom plate 9, which are convenient for corresponding to the key positions on the keyboard surface.

[0029] In this embodiment, on the lower surface of the bottom plate 9, there is an adhesive layer 11 fixedly connected.

[0030] During specific use, through the setting of the adhesive layer 11, the adhesive layer 11 can fix the bottom plate 9 at a specified location, achieving the effect of auxiliary fitting and fixing.

[0031] In this embodiment, on the lower surface of the adhesive layer 11, there is a release paper 12 movably connected, and on the outer surface of the release paper 12, there are bumps 13 fixedly connected.

[0032] During specific use, through the setting of the release paper 12, the release paper 12 protects the bottom of the adhesive layer 11, preventing the viscosity of the adhesive layer 11 from decreasing when not in use, increasing the storage time, and when in use, it can be torn off through the bump 13, which increases the convenience of use.

[0033] In this embodiment, an optical adhesive layer 14 is fixedly connected to the upper surface of the connection film 3, and a protective film 15 is fixedly connected to the upper surface of the optical adhesive layer 14.

[0034] During specific use, through the setting of the protective film 15, the protective film 15 is fixed on the upper surface of the connection film 3 through the optical adhesive layer 14, effectively preventing delamination. The protective film 15 protects the connection film 3 and extends its service life.

[0035] In this embodiment, the protective film 15 includes a weather-resistant layer 16 fixed on the surface of the optical adhesive layer 14.

[0036] During specific use, through the setting of the weather-resistant layer 16, the weather-resistant layer 16 has the effect of high-temperature resistance, preventing the internal conductive thin-film circuit board 2 from generating heat and damaging the induction film main body 1, thereby improving the use effect and increasing the adaptability during use.

[0037] In this embodiment, an anti-static layer 17 is fixedly connected to the upper surface of the weather-resistant layer 16.

[0038] During specific use, through the setting of the anti-static layer 17, the anti-static layer 17 is arranged on the surface of the induction film main body 1, having an anti-static effect, and can effectively remove static electricity and reduce the adsorption of dust and other impurities.

[0039] In this embodiment, a border 18 is fixedly connected to the outer surface of the induction film main body 1.

[0040] During specific use, through the setting of the border 18, the border 18 seals and fixes the side surfaces of the multi-layer structure inside the induction film main body 1, which can effectively enhance the connection firmness and reduce the risk of the edge of the induction film main body 1 cracking.

[0041] Working principle: During use, the bottom plate 9 supports the conductive thin-film circuit board 2. The release paper 12 is torn off through the bump 13, and the bottom plate 9 is fixed at a designated location through the adhesive layer 11, achieving the effect of assisting in fitting and fixing. The protective film 15 is fixed on the upper surface of the connection film 3 through the optical adhesive layer 14 to protect the connection film 3. The weather-resistant layer 16 prevents the internal conductive thin-film circuit board 2 from generating heat and damaging the induction film main body 1. The anti-static layer 17 effectively removes static electricity and reduces the adsorption of dust and other impurities. The edge wrapping 18 seals and fixes the sides of the multi-layer structure inside the induction film main body 1, which can effectively enhance the firmness of the connection. The partition ribs 4 divide the inside of the connection film 3 into multiple use spaces, preventing the adjacent key blocks 5 from being associated during use, thereby improving the induction sensitivity of the induction film main body 1. At the same time, the toughness of the overall structure can be enhanced. The connector 7 seals the connection between the elastic member 6 and the conductive thin-film circuit board 2 to prevent external dust and water from entering, thereby improving its protection effect. Press the corresponding key block 5, so that the elastic member 6 drives the contact 8 to move downward and contact the corresponding induction area of the conductive thin-film circuit board 2. Release the key block 5, and under the action of the self-recovery of the elastic member 6, the contact 8 resets, further improving the induction sensitivity of the induction film main body 1.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A keyboard key-pressing sensing film with high sensitivity, comprising a sensing film body (1), characterized in that: A conductive film circuit board (2) is provided at the bottom of the inner side of the sensing film body (1); a connecting film (3) is fixedly connected to the upper surface of the conductive film circuit board (2); and a separating rib (4) is fixedly connected inside the connecting film (3); A key block (5) is provided on the surface of the connecting film (3); an elastic member (6) is fixedly connected to the lower surface of the key block (5); a connecting member (7) is fixedly connected to the bottom of the outer surface of the elastic member (6); the connecting member (7) is fixedly connected to the conductive film circuit board (2); and a contact (8) is fixedly connected to the middle of the inner top wall of the elastic member (6).

2. The keyboard key pressure sensing film with high sensitivity according to claim 1, characterized in that: The lower surface of the conductive film circuit board (2) is fixedly connected to a bottom plate (9), and the upper surface of the bottom plate (9) is provided with a key slot (10).

3. The keyboard key pressure sensing film with high sensitivity according to claim 2, characterized in that: An adhesive layer (11) is fixedly connected to the lower surface of the bottom plate (9).

4. The keyboard key pressure sensing film with high sensitivity according to claim 3, characterized in that: The lower surface of the adhesive layer (11) is movably connected to a release paper (12), and the outer surface of the release paper (12) is fixedly connected to a protrusion (13).

5. The keyboard key pressure sensing film with high sensitivity according to claim 1, characterized in that: An optical adhesive layer (14) is fixedly connected to the upper surface of the connecting film (3), and a protective film (15) is fixedly connected to the upper surface of the optical adhesive layer (14).

6. The keyboard key pressure sensing film with high sensitivity according to claim 5, characterized in that: The protective film (15) comprises a weather-resistant layer (16) fixed on the surface of the optical adhesive layer (14).

7. The keyboard key pressure sensing film with high sensitivity according to claim 6, characterized in that: An antistatic layer (17) is fixedly connected to the upper surface of the weather-resistant layer (16).

8. The keyboard key pressure sensing film with high sensitivity according to claim 1, characterized in that: The outer surface of the sensing membrane body (1) is fixedly connected with an edge wrapping (18).

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