CN211628944U

CN211628944U - Thin film key structure

Info

Publication number: CN211628944U
Application number: CN201922274007.3U
Authority: CN
Inventors: 刘学典; 李宾; 米寿光; 褚衍良
Original assignee: Zaozhuang Xinzhongxing Dashan Electronics Co ltd
Current assignee: Zaozhuang Xinzhongxing Dashan Electronics Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-02
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a film button structure, including ground stake device, connecting chain, ground stake device is equipped with a plurality of groups, and equidistant range of a plurality of groups ground stake devices is established, establish three connecting chains between per two sets of ground stake devices, three connecting chains are connected respectively in the upper segment, middle section, the hypomere of ground stake device, ground stake device comprises ground stake cover post, income ground sword section of thick bamboo, cover post mount, mount adjusting device. The utility model discloses the setting of traditional button structure has advantageously both been optimized, changes the life and the application method of traditional button structure, improves to the button structure that can accomplish dual fail-safe, and this type of button structure possesses two kinds of switch-on modes of electricity federation and signal of telecommunication federation to two kinds of modes all possess the same result of use, and the structure of equipment is simple relatively, compact structure, and the button cap that the silica gel material that the top adopted was made has better sense of touch relatively, should use widely.

Description

Thin film key structure

Technical Field

The utility model relates to an electron peripheral hardware field especially relates to a film button structure.

Background

The key is used as a basic input peripheral of some electronic equipment and applied to various fields, the existing key structure also develops the key structure of various working principles such as mechanical keys, a volcanic entrance framework, optical micromotion and the like, but various frameworks have various disadvantages, and various use faults can occur due to the service life and the working principle of the key, so that a film key structure is specially designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a film button structure to solve above-mentioned technical problem, for realizing above-mentioned purpose the utility model discloses a following technical scheme:

the utility model provides a film button structure, includes according to key cap, top cap lid, button shell side, establish the top surface at button shell side according to the key cap, top cap lid is established at the top surface according to key cap and button shell side, and the top cap lid is connected in the top outside of button shell side, the top outside of button shell side is equipped with four fixed protruding of group and touches, and four fixed protruding of group touch set up respectively around button shell side, fixed protruding is touched and is inlayed at the inboard edge of top cap lid, the groove of uncapping has been seted up to the outside bottom of top cap lid, the cap hole has been seted up at the center of top cap lid, pass the cap hole on the top of key cap and establish the inside bottom side at top cap lid, protruding touch hole has been seted up at the top surface center of.

On the basis of the technical scheme, the key cap is composed of a fixed square edge, a pressing cap and a pressing convex contact, the fixed square edge is arranged at the bottom end of the side face of the pressing cap, the pressing convex contact is arranged at the center of the inner side of the bottom face of the pressing cap, the fixed square edge, the pressing cap and the pressing convex contact are integrally formed, the pressing convex contact is provided with a long strip-shaped hole groove, and the pressing convex contact penetrates through a convex contact hole to be arranged at the inner top of a key shell side.

On the basis of the technical scheme, a laser transmitter, a laser receiver, a pressing disc, a pressing spring, a disc contact, a contact, a spring contact, a transmitter contact, a receiver contact and a connecting line are arranged inside and on the bottom surface of the key shell pass, the laser transmitter is fixed on the left side surface inside the key shell pass, the laser receiver is fixed on the right side surface inside the key shell pass, the disc contact is fixed at the center of the bottom surface of the key shell pass, the pressing spring is fixed on the bottom surface of the key shell pass and sleeved outside the disc contact, the pressing disc is fixed on the top surface of the pressing spring, the contact contacts are arranged at the bottom end of the disc contact, two groups of spring contacts are arranged at the bottom end of the pressing spring, the receiver contact is connected to the bottom side of the laser receiver through the connecting line, the transmitter contact is connected to the bottom side of the laser transmitter, the contact, the spring contact, the transmitter contact and the receiver contact are all arranged on the bottom surface of the key shell pass.

On the basis of the technical scheme, the top cap cover and the key shell pass are made of PVC (polyvinyl chloride) plastics, the key cap is made of a silica gel material, and the pressing disc, the pressing spring, the disc contact, the contact, the spring contact, the emitter contact and the receiver contact are made of metal copper materials.

Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses the setting of traditional button structure has advantageously both been optimized, changes the life and the application method of traditional button structure, improves to the button structure that can accomplish dual fail-safe, and this type of button structure possesses two kinds of switch-on modes of electricity federation and signal of telecommunication federation to two kinds of modes all possess the same result of use, and the structure of equipment is simple relatively, compact structure, and the button cap that the silica gel material that the top adopted was made has better sense of touch relatively, should use widely.

Drawings

Fig. 1 is a general appearance state diagram of the present invention.

Fig. 2 is an appearance schematic diagram of the exploded structure of the present invention.

Fig. 3 is a schematic plan view of the specific structure of the present invention.

In the figure: the key cap comprises a key cap 1, a top cap cover 2, a key shell pass 3, a fixed convex contact 4, a cover opening groove 5, a cap hole 6, a convex contact hole 7, a fixed square edge 8, a pressing cap 9, a pressing convex contact 10, a long strip-shaped hole groove 11, a laser emitter 12, a laser receiver 13, a pressing disc 14, a pressing spring 15, a disc contact 16, a contact 17, a spring contact 18, an emitter contact 19, a receiver contact 20 and a connecting wire 21.

Detailed Description

The invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a film button structure, includes according to key cap 1, top cap lid 2, button shell side 3, establish the top surface at button shell side 3 according to key cap 1, top cap lid 2 is established at the top surface according to key cap 1 and button shell side 3, and top cap lid 2 is connected in the top outside of button shell side 3, the top outside of button shell side 3 is equipped with four fixed protruding of group and touches 4, and four fixed protruding of group touch 4 set up respectively around button shell side 3, fixed protruding 4 inlays at the inboard edge of top cap lid 2 of touching, the groove of uncapping 5 has been seted up to the outside bottom of top cap lid 2, cap hole 6 has been seted up at the center of top cap lid 2, pass cap hole 6 on the top of according to key cap 1 and establish the inside at top cap lid 2, protruding touch hole 7 has been seted up at the top surface center of button shell side 3.

Press key cap 1 by fixed square edge 8, press the cap 9, press the protruding 10 of touching to constitute, fixed square edge 8 is established in the side bottom of pressing the cap 9, press protruding 10 of touching to establish at the inboard center in bottom surface of pressing the cap 9, fixed square edge 8, press the cap 9, press protruding 10 integrated into one piece that touches, press protruding 10 of touching and seted up a rectangular shape hole groove 11, press protruding 10 of touching and pass protruding contact hole 7 and establish at the interior top of key shell cheng 3.

The key shell side 3 is internally and bottom provided with a laser transmitter 12, a laser receiver 13, a pressing plate 14, a pressing spring 15, a plate contact 16, a contact 17, a spring contact 18, a transmitter contact 19, a receiver contact 20 and a connecting wire 21, the laser transmitter 12 is fixed on the left side surface of the interior of the key shell side 3, the laser receiver 13 is fixed on the right side surface of the interior of the key shell side 3, the plate contact 16 is fixed on the center of the bottom surface of the key shell side 3, the pressing spring 15 is fixed on the bottom surface of the key shell side 3, the pressing spring 15 is sleeved on the outer side of the plate contact 16, the pressing plate 14 is fixed on the top surface of the pressing spring 15, the contact contacts 17 are arranged at the bottom end of the plate contact 16, the spring contacts 18 are provided with two groups, the two groups of spring contacts 18 are arranged at the bottom end of the pressing spring 15, the receiver contact 20, the emitter contact 19 is connected to the bottom side of the laser emitter 12 through a connecting wire 21, and the contact 17, the spring contact 18, the emitter contact 19 and the receiver contact 20 are all arranged on the bottom surface of the key shell side 3.

The top cap cover 2 and the key shell pass 3 are made of PVC (polyvinyl chloride) plastics, the key cap 1 is made of a silica gel material, and the pressing disc 14, the pressing spring 15, the disc contact 16, the contact 17, the spring contact 18, the emitter contact 19 and the receiver contact 20 are made of metal copper materials.

The utility model discloses the theory of operation: the use process of the equipment is divided into two stages, wherein the first stage is the use of an electric connection communication mode, when the electric connection is conducted, the pressing convex contact moves downwards while the pressing key cap is pressed down, and contacts with the pressing disc, the pressing disc moves downwards, and the pressing spring is compressed, so that the pressing disc contacts with the contact of the pressing disc, and the electric connection is conducted under the communication state of the contact outlet and the spring contact; two for the signal of telecommunication switch-on of equipment, in this in-process, when pressing down the key cap, press the protruding touch and can the downstream, because laser emitter and laser receiver are working always, press the protruding long strip-shaped hole groove that touches the middle section and can make laser emitter's laser not have blockked to thereby make laser follow long strip-shaped hole groove and pass and shine laser receiver on, the equipment of connecting transmitter play head and receiver contact can receive the finger that presses this moment and make, thereby make the reaction of signal of telecommunication UNICOM.

The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.

Claims

1. The film key structure is characterized by comprising a key cap (1), a top cap cover (2) and a key shell pass (3), wherein the key cap (1) is arranged on the top surface of the key shell pass (3), the top cap cover (2) is arranged on the top surfaces of the key cap (1) and the key shell pass (3), the top cap cover (2) is connected to the outer side of the top end of the key shell pass (3), four groups of fixed convex contacts (4) are arranged on the outer side of the top end of the key shell pass (3), the four groups of fixed convex contacts (4) are respectively arranged around the key shell pass (3), the fixed convex contacts (4) are embedded at the edge of the inner side of the top cap cover (2), an uncovering groove (5) is formed at the bottom end of the outer side of the top cap cover (2), a cap hole (6) is formed at the center of the top cap cover (2), the top end of the key cap (1) penetrates through the cap hole (6) and is arranged at the bottom, and a convex contact hole (7) is formed in the center of the top surface of the key shell pass (3).

2. The film key structure as claimed in claim 1, wherein the key cap (1) is composed of a fixed square edge (8), a pressing cap (9) and a pressing protrusion (10), the fixed square edge (8) is arranged at the bottom end of the side surface of the pressing cap (9), the pressing protrusion (10) is arranged at the center of the inner side of the bottom surface of the pressing cap (9), the fixed square edge (8), the pressing cap (9) and the pressing protrusion (10) are integrally formed, the pressing protrusion (10) is provided with a long strip-shaped hole groove (11), and the pressing protrusion (10) passes through the protrusion contact hole (7) and is arranged at the inner top of the key housing (3).

3. The membrane key structure of claim 1, wherein the key shell side (3) is provided with a laser emitter (12), a laser receiver (13), a pressing plate (14), a pressing spring (15), a plate contact (16), a contact (17), a spring contact (18), an emitter contact (19), a receiver contact (20) and a connecting wire (21) at the inner and bottom surfaces thereof, the laser emitter (12) is fixed at the inner left side surface of the key shell side (3), the laser receiver (13) is fixed at the inner right side surface of the key shell side (3), the plate contact (16) is fixed at the center of the bottom surface of the key shell side (3), the pressing spring (15) is fixed at the bottom surface of the key shell side (3), the pressing spring (15) is sleeved at the outer side of the plate contact (16), the pressing plate (14) is fixed at the top surface of the pressing spring (15), the contact contacts (17) are arranged at the bottom ends of the disc contacts (16), two groups of spring contacts (18) are arranged, the two groups of spring contacts (18) are arranged at the bottom ends of the pressing springs (15), the receiver contacts (20) are connected to the bottom side of the laser receiver (13) through connecting lines (21), the emitter contacts (19) are connected to the bottom side of the laser emitter (12) through the connecting lines (21), and the contact contacts (17), the spring contacts (18), the emitter contacts (19) and the receiver contacts (20) are arranged on the bottom surface of the key shell pass (3).

4. A membrane key structure according to claim 3, characterized in that the top cap cover (2) and the key shell side (3) are made of PVC plastic, the key cap (1) is made of silicone material, and the pressing plate (14), the pressing spring (15), the plate contact (16), the contact (17), the spring contact (18), the transmitter contact (19) and the receiver contact (20) are made of metal copper material.