Membrane switch structure of computer keyboard

Abstract

The utility model discloses a membrane switch structure of a computer keyboard, which belongs to the technical field of computer keyboards and comprises two symmetrically arranged positioning plates and a membrane fixed between the two positioning plates, interface slots are arranged on the two positioning plates, two of the interface slots are used for exposing interfaces on two sides of a notebook computer, and the membrane is arranged between the two positioning plates. The two positioning plates are fixedly connected through two horizontal fixing strips, the positioning plates and the fixing strips are welded and fixed, T-shaped inserting grooves are formed in the top walls of the two positioning plates, extending rods are symmetrically connected to the two ends of the thin film, the two extending rods are inserted into the two inserting grooves in the vertical direction, and the two extending rods are symmetrically connected to the two ends of the thin film. Containing grooves are formed in the sides, opposite to each other, of the two inserting grooves towards the interiors of the two positioning plates respectively. According to the membrane switch structure of the computer keyboard, the two positioning plates are matched with the two movable plates to be fixed on the notebook computer, so that the membrane can be better matched with the keyboard of the notebook computer, and the phenomenon of displacement is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of computer keyboards, and in particular relates to a membrane switch structure of a computer keyboard. Background Art

[0002] The computer keyboard is the channel for inputting control information of text information into the computer. It has evolved from the keyboard of an English typewriter. When using the keyboard on a laptop computer, many people will cover the surface of the keyboard with a layer of keyboard film to protect the keyboard body. The film can effectively reduce dust from entering the computer and keep the keyboard body clean.

[0003] In the process of realizing the utility model, the inventors found that there are at least the following problems in the technology: the current keyboard film is usually just a layer of film, which is easy to fall off, move when in use, or fall directly when the laptop is moved.

[0004] Therefore, we propose a computer keyboard membrane switch structure to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a computer keyboard membrane switch structure, so that two positioning plates can be fixed on a laptop computer with two movable plates, so that the membrane can better cooperate with the keyboard of the laptop computer without falling off or displacement, and can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A computer keyboard membrane switch structure, comprising two symmetrically arranged positioning plates and a membrane fixed between the two positioning plates, interface slots are provided on the two positioning plates, wherein the two interface slots are used to expose interfaces on both sides of a laptop computer, the two positioning plates are fixedly connected by two horizontal fixing bars, and the positioning plates and the fixing bars are welded and fixed, T-shaped slots are formed on the top walls of the two positioning plates, extension rods are symmetrically connected at both ends of the membrane, the two extension rods are respectively inserted into the two slots in a vertical direction, and receiving slots are formed on the opposite sides of the two slots toward the two positioning plates, and springs and rebound blocks connected to each other are provided in the receiving slots, wherein the two rebound blocks are respectively in contact with the top walls of the two extension rods, so that the membrane and the two extension rods can be fixed between the two positioning plates;

[0008] Knobs are rotatably connected to the bottom of the two positioning plates, and top sliding grooves are opened on the two positioning plates directly above the two knobs. Screws are coaxially connected above the two knobs, and inner sliding blocks are threadedly sleeved on the two screws, and the four side walls of the inner sliding blocks are fitted with the inner walls of the top sliding grooves, and movable plates are fixedly bonded to the two inner sliding blocks.

[0009] As a preferred implementation scheme, the spring is arranged horizontally, and the two ends of the spring are respectively connected to the inner wall of the receiving groove and the rebound block; so that the spring can drive the rebound block to extend and retract.

[0010] As a preferred embodiment, the four side walls of the rebound block are in contact with the inner wall of the receiving groove, and a slope is provided on one side of the two rebound blocks extending from the receiving groove; so that the extension rod can pass over the rebound block more easily through the slope on the rebound block to achieve its installation.

[0011] As a preferred embodiment, bottom grooves are provided on the bottom walls of the two positioning plates, and the two knobs are respectively mounted on the top walls of the two bottom grooves; so that the two knobs can be hidden in the bottom grooves when not in use.

[0012] As a preferred embodiment, two screw rods are respectively vertically arranged in two top slide grooves, and the two screw rods are respectively rotatably connected to two positioning plates, so that the screw rods can operate stably.

[0013] As a preferred embodiment, bottom gaskets are fixedly bonded to the top walls of the two movable panels, and top gaskets are fixedly bonded to the bottom walls of the two fixed strips; thereby facilitating contact with the C surface of the laptop computer through the top gasket, and contact with the D surface of the laptop computer through the two bottom gaskets for buffering. The material of the bottom gasket and the top gasket can be rubber.

[0014] In summary, the technical effects and advantages of the utility model are as follows:

[0015] The computer keyboard membrane switch structure drives two screws to operate by rotating two knobs, so that two positioning plates cooperate with two movable plates to be fixed on the notebook computer, so that the membrane can better cooperate with the keyboard of the notebook computer without displacement; at the same time, the membrane can be easily removed from the positioning plate for cleaning or direct replacement, making maintenance more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of one side of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the other side of the utility model;

[0018] Figure 3 It is a vertical cross-sectional view of the utility model;

[0019] Figure 4 For this utility model Figure 3 A magnified view of the structure in the middle.

[0020] In the figure: 1. positioning plate; 2. fixing bar; 3. film; 4. slot; 5. storage slot; 6. spring; 7. rebound block; 8. extension rod; 9. bottom slot; 10. knob; 11. top slide slot; 12. screw; 13. inner slide; 14. movable plate; 15. bottom gasket; 16. top gasket; 17. interface slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 4 A computer keyboard membrane switch structure includes two symmetrically arranged positioning plates 1 and a membrane 3 fixed between the two positioning plates 1. Interface grooves 17 are provided on the two positioning plates 1, wherein the two interface grooves 17 are used to expose interfaces on both sides of a laptop computer. The two positioning plates 1 are fixedly connected by two horizontal fixing bars 2, and the positioning plates 1 are fixed to the fixing bars 2 by welding;

[0023] The top walls of the two positioning plates 1 are formed with T-shaped slots 4, and extension rods 8 are symmetrically connected at both ends of the film 3. The two extension rods 8 are respectively inserted into the two slots 4 in the vertical direction, and receiving slots 5 are formed on the opposite sides of the two slots 4 toward the two positioning plates 1, and the receiving slots 5 are provided with springs 6 and rebound blocks 7 connected to each other. The spring 6 is arranged horizontally, and the two ends of the spring 6 are respectively connected to the inner wall of the receiving slot 5 and the rebound block 7, so that the spring 6 can drive the rebound block 7 to retract, wherein the two rebound blocks 7 are respectively abutted against the top walls of the two extension rods 8, so that the film 3 and the two extension rods 8 can be fixed between the two positioning plates 1, and the four side walls of the rebound block 7 are all in contact with the inner wall of the receiving slot 5, and the two rebound blocks 7 are each provided with an inclined surface on one side extending from the receiving slot 5, so that the extension rod 8 can pass through the inclined surface on the rebound block 7 more easily to achieve its installation;

[0024] The bottom of the two positioning plates 1 is rotatably connected with a knob 10, and the bottom wall of the two positioning plates 1 is provided with a bottom groove 9. The two knobs 10 are respectively installed on the top wall of the two bottom grooves 9, so that the two knobs 10 can be hidden in the bottom groove 9 when not in use, and the two positioning plates 1 are provided with a top sliding groove 11 directly above the two knobs 10, and screw rods 12 are coaxially connected above the two knobs 10, respectively, and the two screw rods 12 are respectively vertically arranged in the two top sliding grooves 11, and the two screw rods 12 are respectively rotatably connected with the two positioning plates 1, so that the screw rods 12 can be For stable operation, inner sliders 13 are respectively threadedly sleeved on the two screw rods 12, and the four side walls of the inner sliders 13 are in contact with the inner wall of the top slide groove 11, and movable plates 14 are fixedly bonded to the two inner sliders 13, and bottom gaskets 15 are fixedly bonded to the top walls of the two movable plates 14, and top gaskets 16 are fixedly bonded to the bottom walls of the two fixed strips 2, so that it is convenient to contact with the C surface of the laptop computer through the top gasket 16, and contact with the D surface of the laptop computer through the two bottom gaskets 15 for buffering. The material of the bottom gasket 15 and the top gasket 16 can be rubber.

[0025] The computer keyboard membrane switch structure: when in use, open the A side and B side of the laptop computer, so that the C side and the part of the D side of the laptop computer (that is, the circuit board of the laptop computer and the part where the laptop computer keyboard is located) are horizontally inserted between the two positioning plates 1, and finally the keyboard of the laptop computer is moved to the bottom of the membrane 3; then the personnel need to turn the two knobs 10 to drive the two screw rods 12 to operate, so that the two inner sliders 13 slide upward and drive the two movable plates 14 to move upward, so that the two bottom gaskets 15 are tightly fitted with the D side of the laptop computer, and the C side of the laptop computer is tightly fitted with the two top gaskets 16, at this time, the keyboard keycap of the laptop computer will be fitted to the bottom surface of the membrane 3; if the membrane 3 needs to be removed for cleaning or replacement, it is necessary to squeeze the two rebound blocks 7, and take the membrane 3 with the two extension rods 8 out of the two slots 4, and then it can be cleaned or replaced.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A computer keyboard membrane switch structure, comprising two symmetrically arranged positioning plates (1) and a membrane (3) fixed between the two positioning plates (1), wherein both positioning plates (1) are provided with an interface groove (17), characterized in that: The two positioning plates (1) are fixedly connected by two horizontal fixing strips (2), the top walls of the two positioning plates (1) are both formed with T-shaped slots (4), the two ends of the film (3) are symmetrically connected with extension rods (8), the two extension rods (8) are respectively inserted into the two slots (4), and the two slots (4) are opposite to each other and are respectively formed with receiving grooves (5) facing the two positioning plates (1), and the receiving grooves (5) are provided with springs (6) and rebound blocks (7) connected to each other, wherein the two rebound blocks (7) are respectively in contact with the top walls of the two extension rods (8); The bottoms of the two positioning plates (1) are rotatably connected to knobs (10), and the two positioning plates (1) are provided with top sliding grooves (11) directly above the two knobs (10). The two knobs (10) are coaxially connected with screw rods (12) respectively, and the two screw rods (12) are respectively threadedly sleeved with inner sliding blocks (13), and the four side walls of the inner sliding blocks (13) are all in contact with the inner walls of the top sliding grooves (11), and the two inner sliding blocks (13) are fixedly bonded with movable plates (14).

2. A computer keyboard membrane switch structure according to claim 1, characterized in that: The spring (6) is arranged horizontally, and two ends of the spring (6) are respectively connected to the inner wall of the receiving groove (5) and the rebound block (7).

3. A computer keyboard membrane switch structure according to claim 2, characterized in that: The four side walls of the rebound block (7) are all in contact with the inner wall of the receiving groove (5), and a slope is provided on one side of the two rebound blocks (7) extending from the receiving groove (5).

4. A computer keyboard membrane switch structure according to claim 1, characterized in that: The bottom walls of the two positioning plates (1) are each provided with a bottom groove (9), and the two knobs (10) are respectively mounted on the top walls of the two bottom grooves (9).

5. A computer keyboard membrane switch structure according to claim 1, characterized in that: The two screw rods (12) are respectively vertically arranged in the two top sliding grooves (11), and the two screw rods (12) are respectively rotatably connected to the two positioning plates (1).

6. A computer keyboard membrane switch structure according to claim 1, characterized in that: The top walls of the two movable plates (14) are fixedly bonded with bottom gaskets (15), and the bottom walls of the two fixed strips (2) are fixedly bonded with top gaskets (16).

Images