CN207966814U - Press-key structure, touch screen and point of sales terminal for touch screen - Google Patents

Abstract

The utility model provides a kind of press-key structure, touch screen and point of sales terminal for touch screen, the press-key structure for touch screen includes substrate and multiple is arranged on substrate and the button of mutually insulated, multiple key holes passed through for each button are offered on substrate, button border is equipped with the elastic arm with substrate connection, button have close to substrate the first conducting surface and be away from substrate and be electrically connected for the second conducting surface for contact with finger, the first conducting surface and the second conducting surface.Press-key structure provided by the utility model for touch screen, make the first conducting surface and screen contact by pressing keys, realize the operation to touch screen, have greasy dirt, it is water stain in the case of, user can still smoothly complete the operation to touch screen, user experience is promoted, while also allowing for operation by blind.

Description

Button structures for touch screens, touch screens and point-of-sale terminals

technical field

The utility model belongs to the technical field of touch devices, and more specifically relates to a button structure for a touch screen, a touch screen and a point-of-sale terminal.

Background technique

The touch screen is a human-computer interaction input device developed in recent years. At present, the capacitive touch screen is commonly used in the market, and the capacitive touch screen uses the induced current of the human body to work. With the gradual increase of full-screen products, users have higher and higher requirements for the operation performance of the touch screen. However, when the screen of the touch screen is stained with oil or water, it often fails to operate and affects the user experience; and the touch screen is not convenient for blind people to operate.

Utility model content

The purpose of the utility model is to provide a button structure for a touch screen, a touch screen and a point-of-sale terminal, so as to solve the problem in the prior art that the screen is stained with oil or water, which affects the user experience and is inconvenient for the blind. Operational technical issues.

In order to achieve the above purpose, the technical solution adopted by the utility model is: provide a button structure for a touch screen, including a substrate and a plurality of buttons arranged on the substrate and insulated from each other. a button hole for each of the buttons to pass through, the button is surrounded by an elastic arm connected to the substrate, the button has a first conductive surface close to the substrate and a first conductive surface away from the substrate and used The first conductive surface is electrically connected to the second conductive surface on the second conductive surface that is in contact with the finger.

Further, the key is a metal key.

Further, the base plate and the elastic arm are integrally formed.

Further, the elastic arm is a rubber part or a silicone part.

Further, a fixed part is fixed on the outer periphery of the button, and the fixed part is fixedly connected with the elastic arm, and a groove for accommodating the fixed part is provided on the outer periphery of the button.

Further, the elastic arm and the fixing part are integrally formed.

Further, the button is a transparent button or a translucent button.

The utility model also provides a touch screen, including a screen and the above key structure for the touch screen, and the substrate is arranged on the screen.

Further, the distance between the first conductive surface and the screen is less than or equal to 2 mm.

The utility model also provides a point-of-sale terminal, including the above-mentioned touch screen.

The beneficial effects of the button structure for the touch screen, the touch screen and the point-of-sale terminal provided by the utility model are: compared with the prior art, the button structure for the touch screen of the utility model is arranged in multiple For the button on the substrate, an elastic arm connected to the substrate is arranged around the button, so that the button is fixed on the substrate through the elastic arm, and the button has a first conductive surface close to the substrate and is away from the substrate for contact with fingers The second conductive surface, so that when the finger is pressed on the second conductive surface, the elastic arm is deformed, and the first conductive surface is in contact with the screen to realize the operation of the touch screen. In the case of oil or water stains, the user can still The operation of the touch screen is successfully completed, which improves the user experience and is also convenient for the blind to operate.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the practical For some novel embodiments, those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is an exploded view of a point-of-sale terminal provided by an embodiment of the present invention;

Fig. 2 is a cross-sectional view of a point-of-sale terminal provided by an embodiment of the present invention;

Fig. 3 is the front view of the button structure for the touch screen provided by the embodiment of the present invention;

Fig. 4 is a sectional view along line A-A in Fig. 3 .

Wherein, each reference sign in the figure:

1-point of sale terminal; 11-key structure for touch screen; 110-key hole; 111-key; 112-fixing part; 113-elastic arm; 114-substrate; 115-first conductive surface; Two conductive surfaces; 12-screen; 13-liquid crystal display.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying No device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

Please refer to FIG. 3 and FIG. 4 together, and now the key structure for the touch screen provided by the utility model will be described. The button structure 11 for a touch screen includes a substrate 114 and a plurality of buttons 111 , the plurality of buttons 111 are arranged on the substrate 114 and the buttons 111 are insulated from each other. The substrate 114 is provided with a plurality of button holes 110 for the buttons 111 to pass through, and one button hole 110 corresponds to one button 111 . The circumference of each button 111 is provided with an elastic arm 113 connected to the substrate 114. When the button 111 is pressed toward the screen 12, the elastic arm 113 is deformed, and the button 111 is in contact with the screen 12; when the button 111 is released, the button 111 returns to the original state. position, at this time the button 111 and the screen 12 are spaced apart from each other. The button 111 has a first conductive surface 115 close to the substrate 114 and a second conductive surface 116 away from the substrate 114 for contacting with a user's finger. The first conductive surface 115 and the second conductive surface 116 are electrically connected. The user's finger touches the second conductive surface 116 and presses the button 111, so that the first conductive surface 115 contacts the screen 12 to form a conduction loop to realize the user's operation on the touch screen, and the setting of the button 111 prevents the screen 12 from being dirty When the operation is not sensitive.

Compared with the prior art, the button structure 11 used in the touch screen provided by the utility model, the button structure 11 used in the touch screen of the utility model is provided with a plurality of buttons 111 arranged on the substrate 114, and the buttons 111 are surrounded by An elastic arm 113 connected to the substrate 114 is arranged around the circle, so that the button 111 is fixed on the substrate 114 through the elastic arm 113, and the button 111 has a first conductive surface 115 close to the substrate 114 and a second conductive surface for contacting with fingers 116, so that when the finger is pressed on the second conductive surface 116, the elastic arm 113 is deformed, and the first conductive surface 115 is in contact with the screen 12 to realize the operation of the touch screen. In the case of oil or water stains, the user can still The operation of the touch screen is successfully completed, which improves the user experience and is also convenient for the blind to operate.

Further, please refer to Fig. 3 and Fig. 4, as a specific embodiment of the button structure 11 for the touch screen provided by the utility model, the button 111 is a metal button, specifically, the button 111 can be made of copper, aluminum, silver The side surfaces of the button 111 are connected to each other, that is, the first conductive surface 115 and the second conductive surface 116 are connected to each other. By using the button 111 as a metal button, the conductivity between the first conductive surface 115 and the second conductive surface 116 is better, and there will be no poor contact. Of course, the button 111 can also be made of non-metallic materials such as plastics and rubber, and then the first conductive surface 115 and the second conductive surface 116 are plated on the button 111, and the first conductive surface 115 and the second conductive surface 116 are mutually conductive. Pass.

Further, please refer to FIG. 4 , as a specific implementation of the button structure 11 for the touch screen provided by the present invention, the substrate 114 and the elastic arm 113 are integrally formed, and when the button 111 is pressed, the substrate 114 and the elastic arm can be guaranteed The arms 113 will not separate from each other, thereby ensuring the reliability of the key structure. Optionally, the base plate 114 and the elastic arm 113 are integrally formed by injection molding, the base plate 114 is pasted on the screen 12 , and one end of the elastic arm 113 is fixedly connected to the button 111 . More specifically, the substrate 114 and the elastic arm 113 are made of the same material, which facilitates integral molding.

Further, please continue to refer to FIG. 4 , as a specific implementation of the button structure 11 for a touch screen provided by the present invention, the elastic arm 113 is a rubber part or a silicone part. The elastic arm 113 is used to support the button 111. When the button 111 is not subjected to external force, the button 111 and the screen 12 are spaced apart from each other. The screens 12 can be in contact with each other to realize the operation of the touch screen. Materials such as rubber and silica gel are cheap, have good elasticity, and have a long service life, and are suitable for button structures that require repeated deformation and rebound. Optionally, the substrate 114 is made of the same material as the elastic arm 113 , rubber and silicone have certain viscoelasticity, and the substrate 114 is easier to attach to the screen 12 .

Further, please continue to refer to FIG. 4 , as a specific implementation of the key structure 11 for the touch screen provided by the present invention, the outer periphery of the key 111 is fixed with a fixed portion 112 , and one end of the fixed portion 112 and the elastic arm 113 Fixed connection, the other end of the elastic arm 113 is fixedly connected to the base plate 114, and the outer periphery of the button 111 is provided with a groove for accommodating the fixing part 112, so that the fixed connection between the fixing part 112 and the button 111 is more reliable. Optionally, the groove is circular, and correspondingly, the fixing portion 112 is also circular. The elastic arms 113 may include multiple ones, which are evenly distributed on the outer periphery of the fixing part 112 in the circumferential direction;

Further, please continue to refer to FIG. 4 , as a specific implementation of the key structure 11 for touch screen provided by the present invention, the elastic arm 113 and the fixing part 112 are integrally formed. On the one hand, when the key 111 is pressed, it can be It is ensured that the elastic arm 113 and the fixing portion 112 will not be separated from each other, so as to ensure the reliability of the button structure, and on the other hand, it is more convenient to process and manufacture the elastic arm 113 and the fixing portion 112 . More specifically, the base plate 114 , the elastic arm 113 and the fixing portion 112 are integrally formed and made of rubber or silicone.

Further, please continue to refer to FIG. 4 , as a specific implementation of the key structure 11 for the touch screen provided by the present invention, the distance between the first conductive surface 115 and the screen 12 is less than or equal to 2mm, which can It is ensured that the first conductive surface 115 is spaced from the screen 12 when the key 111 is not pressed, and the feeling of pressing the key 111 can be ensured. When the distance between the first conductive surface 115 and the screen 12 is greater than 2mm, the pressing stroke of the button 111 is long, the material requirement for the elastic arm 113 is high, and the button 111 is likely to malfunction. Optionally, the first conductive surface 115 and the screen 12 are parallel to each other.

Further, please continue to refer to FIG. 4 , as a specific implementation of the button structure 11 provided by the present invention, the button 111 is a transparent button or a translucent button, which can facilitate the user to obtain the screen through the button 111. 12 to avoid misoperation.

Please refer to FIG. 1 and FIG. 2 , the present invention also provides a touch screen, including a screen 12 and a key structure 11 for a touch screen in any of the above-mentioned embodiments, and a substrate 114 is disposed on the screen 12 . The screen 12 can be a glass panel bonded to a liquid crystal display 13 (LCD).

Please refer to FIG. 1 and FIG. 2 , the utility model also provides a point-of-sale terminal 1 , including the above-mentioned touch screen.

The touch screen and the point-of-sale terminal 1 provided by the utility model are provided with a plurality of buttons 111 arranged on the substrate 114, and elastic arms 113 connected to the substrate 114 are arranged around the buttons 111, so that the buttons 111 are fixed by the elastic arms 113 On the substrate 114, and the button 111 has a first conductive surface 115 close to the substrate 114 and a second conductive surface 116 for contact with the finger, so that when the finger is pressed on the second conductive surface 116, the elastic arm 113 is deformed, and the second A conductive surface 115 is in contact with the screen 12 to realize the operation of the touch screen. In the case of oil and water stains, the user can still successfully complete the operation of the touch screen, which improves user experience and is also convenient for blind people to operate.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. the press-key structure for touch screen, it is characterised in that：Including substrate and it is multiple be arranged on the substrate and mutually absolutely The button of edge offers multiple key holes passed through for each button on the substrate, and the button border is equipped with and institute State the elastic arm of substrate connection, the button have close to the substrate the first conducting surface and be away from the substrate and The second conducting surface for being contacted with finger, first conducting surface and second conducting surface electrical connection.

2. being used for the press-key structure of touch screen as described in claim 1, it is characterised in that：The button is metal key-press.

3. being used for the press-key structure of touch screen as described in claim 1, it is characterised in that：The substrate and the elastic arm one It is body formed.

4. being used for the press-key structure of touch screen as described in claim 1, it is characterised in that：The elastic arm is rubber parts or silicon Glue part.

5. being used for the press-key structure of touch screen as described in claim 1, it is characterised in that：The periphery of the button is fixed with Determine portion, the fixed part is fixedly connected with the elastic arm, and the periphery of the button is offered for housing the fixed part Groove.

6. being used for the press-key structure of touch screen as claimed in claim 5, it is characterised in that：The elastic arm and the fixed part It is integrally formed.

7. being used for the press-key structure of touch screen as described in claim 1, it is characterised in that：The button be transparent push or Translucent button.

8. touch screen, it is characterised in that：It is bonded including screen and as claim 1-7 any one of them is used for pressing for touch screen Structure, the substrate are set on the screen.

9. touch screen as claimed in claim 8, it is characterised in that：First conducting surface and the distance between the screen are small In or equal to 2mm.

10. point of sales terminal, it is characterised in that：Including the touch screen described in claim 8 or 9.