Press-resistant touch switch

Abstract

The utility model provides a press-resistant touch switch, which comprises a base and a button arranged above the base, an elastic sheet is assembled in the base, a contact in contact with the elastic sheet is arranged in the base, and the elastic sheet has an initial state and a power-on state in which the elastic sheet is in contact with the contact after being stressed and deformed. The button comprises a body and a deformation block embedded in the body, one side, close to the elastic sheet, of the deformation block is provided with an extension block extending towards one side of the elastic sheet, the extension block is made of a soft material, and the light touch switch overcomes the defect that the light touch switch fails due to sinking of the elastic sheet in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of tactile switches, and particularly relates to a tactile switch resistant to pressing. Background Art

[0002] A tactile switch, also known as a push-button switch or a sensitive switch, is an electronic switch that closes and connects the switch function by applying pressure in the switch operation direction under the condition of meeting the operating force, and the switch disconnects when the pressure is removed.

[0003] In the utility model patent with the publication number of CN113241276B, a waterproof tactile switch is disclosed, which includes a base and a button made of plastic. There is a shrapnel inside the base. When the button is pressed down, the button will squeeze the shrapnel to deform it to form an electric connection. However, since the button is made of a hard material, the person pressing it will not deliberately control the pressing force to protect the shrapnel. Therefore, when the shrapnel is pressed for a long time, the inside of the base is prone to deformation, resulting in the sinking of the shrapnel, so that the shrapnel cannot contact the contact point on the base, making the tactile switch ineffective. Summary of the Utility Model

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the defect that the tactile switch fails due to the sinking of the shrapnel in the prior art, so as to provide a tactile switch resistant to pressing with good pressure resistance.

[0005] To this end, the utility model provides a tactile switch resistant to pressing, which includes a base and a button arranged above the base. A shrapnel is assembled inside the base, and a contact point in contact with the shrapnel is arranged inside the base. The shrapnel has an initial state and a power-on state in which it contacts the contact point after being deformed by force. The button includes a body and a deformation block embedded inside the body. An extension block extending towards one side of the shrapnel is arranged on the side of the deformation block close to the shrapnel, and the extension block is made of a soft material.

[0006] Further: Both the deformation block and the extension block are made of silica gel material.

[0007] Further: A clamping structure is arranged between the deformation block and the body.

[0008] Further: The clamping structure includes a clamping block arranged on one of the body or the deformation block and a clamping groove arranged on the other side and adapted to the clamping block.

[0009] Further: The clamping block is arranged on the top of the deformation block, and the clamping groove is opened on the body.

[0010] Further: A cover plate is provided above the base. An avoidance groove for avoiding the button is provided on the cover plate. An extension plate is disposed around the outside of the body, and the upper end surface of the extension plate abuts against the lower end surface of the cover plate.

[0011] The technical solution of the present utility model has the following advantages:

[0012] 1. For a press-resistant tactile switch provided by the present utility model, a deformation block and an extension block made of a soft material are arranged in the middle of the button. When an operator presses the button, the extension block acts on the elastic piece, and the elastic piece then acts on the contact of the base. Since the extension block is made of a soft material, it is more easily deformed, and when pressed downward, the pressure applied to the elastic piece is dispersed. This pressure dispersion reduces the pressure intensity per unit area, thereby effectively slowing down the deformation of the contact.

[0013] 2. For a press-resistant tactile switch provided by the present utility model, in order to prevent the deformation block and the extension block from separating from the body when the button is pressed downward, a clamping block extending outward is arranged on the deformation block, and a clamping groove adapted to the extension block is arranged on the body. When the body is pressed downward, the clamping block and the clamping groove will abut against each other, thereby preventing the deformation block and the extension block from separating from the body. Description of the Drawings

[0014] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0015] Figure 1 It is a top view of the tactile switch;

[0016] Figure 2 It is a cross-sectional view of the tactile switch;

[0017] Figure 3 It is an exploded view of the tactile switch.

[0018] Description of the Reference Numerals:

[0019] 1. Base; 11. Contact; 2. Button; 21. Body; 22. Deformation Block; 23. Extension Block; 3. Elastic Piece; 4. Clamping Structure; 41. Clamping Block; 42. Clamping Groove; 5. Cover Plate; 6. Avoidance Groove; 7. Extension Plate. Specific Embodiments

[0020] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0023] In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0024] Embodiment

[0025] This embodiment provides a press-resistant tactile switch, which includes a base 1 and a button 2 arranged above the base 1. A shrapnel 3 is assembled inside the base 1, and a contact point 11 in contact with the shrapnel 3 is arranged inside the base 1. The shrapnel 3 has an initial state and an energized state in which it contacts the contact point 11 after being deformed by force. The button 2 includes a body 21 and a deformation block 22 embedded inside the body 21. An extension block 23 extending towards one side of the shrapnel 3 is arranged on one side of the deformation block 22 close to the shrapnel 3, and the extension block 23 is made of a soft material.

[0026] The above specific improvement is as follows: As Figures 1 - 3As shown in the figure, compared with the prior art, a deformation block 22 and an extension block 23 made of soft material are provided in the middle of the button 2. When an operator presses the button 2, the extension block 23 acts on the elastic piece 3, and the elastic piece 3 then acts on the contact 11 of the base 1. Since the extension block 23 is made of soft material, it is more easily deformed, and when pressed downward, the pressure applied to the elastic piece 3 is dispersed. This pressure dispersion reduces the pressure intensity per unit area, thereby effectively slowing down the deformation of the contact 11. In the prior art, when the elastic piece 3 switches from the initial state to the energized state, the extension block 23 squeezes the elastic piece 3, causing the middle part of the elastic piece 3 to deform downward and contact the contact 11 on the base 1. During the pressing process, due to the excessive force exerted by the operator, the extension block 23 heavily squeezes the elastic piece 3, thereby acting on the contact 11 of the base 1. Over time, this causes the base 1 to deform and the contact 11 to sink, increasing the contact distance between the elastic piece 3 and the contact 11. When the contact 11 sinks to a certain extent, the elastic piece 3 cannot contact the contact 11 when it deforms downward, ultimately resulting in the failure of the switch.

[0027] Based on the above embodiments: Both the deformation block 22 and the extension block 23 are made of silicone material.

[0028] The above specific improvement is that: Silicone has good deformation force and can effectively alleviate the problem of the sinking of the contact 11.

[0029] Based on the above embodiments: A clamping structure 4 is provided between the deformation block 22 and the body 21.

[0030] Based on the above embodiments: The clamping structure 4 includes a clamping block 41 provided on one side of the body 21 or the deformation block 22 and a clamping groove 42 provided on the other side and adapted to the clamping block 41.

[0031] Based on the above embodiments: The clamping block 41 is provided at the top of the deformation block 22, and the clamping groove 42 is opened on the body 21.

[0032] The above specific improvement is that: As Figure 2 and Figure 3 shown, to prevent the deformation block 22 and the extension block 23 from separating from the body 21 when the button 2 is pressed downward, a clamping block 41 extending outward is provided on the deformation block 22, and a clamping groove 42 adapted to the extension block 23 is provided on the body 21. When the body 21 is pressed downward, the clamping block 41 and the clamping groove 42 will abut against each other, thereby preventing the deformation block 22 and the extension block 23 from separating from the body 21.

[0033] On the basis of the above embodiments: a cover plate 5 is provided above the base 1, an avoidance groove 6 for avoiding the button 2 is provided on the cover plate 5, an extension plate 7 is disposed around the outside of the body 21, and the upper end surface of the extension plate 7 abuts against the lower end surface of the cover plate 5.

[0034] The above specific improvement is as follows: as Figure 2 shown, the button 2 is disposed between the base 1 and the cover plate 5, an avoidance groove 6 for exposing the body 21 and the clamping block 41 is provided on the cover plate 5, an extension plate 7 is disposed outside the body 21, and the upper end surface of the extension plate 7 contacts the lower end surface of the cover plate 5, thereby effectively positioning the position of the body 21 and realizing effective pressing of the button 2.

[0035] Obviously, the above embodiments are merely examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or modifications derived therefrom still fall within the protection scope of the creation of the present utility model.

Claims

1. A press-resistant tactile switch, characterized in that: It includes a base (1) and a button (2) disposed above the base (1). A shrapnel (3) is assembled inside the base (1). A contact (11) that contacts the shrapnel (3) is provided inside the base (1). The shrapnel (3) has an initial state and a powered-on state in which it contacts the contact (11) after being deformed by force. The button (2) includes a body (21) and a deformation block (22) embedded inside the body (21). An extension block (23) extending towards one side of the shrapnel (3) is provided on one side of the deformation block (22) close to the shrapnel (3). The extension block (23) is made of a soft material.

2. The tactile switch resistant to pressing according to claim 1, wherein: Both the deformation block (22) and the extension block (23) are made of silicone material.

3. The tactile switch resistant to pressing according to claim 2, wherein: A clamping structure (4) is provided between the deformation block (22) and the body (21).

4. The tactile switch resistant to pressing according to claim 3, characterized in that: The clamping structure (4) includes a clamping block (41) provided on one of the body (21) or the deformation block (22) and a clamping groove (42) provided on the other and adapted to the clamping block (41).

5. The tactile switch resistant to pressing according to claim 4, characterized in that: The clamping block (41) is provided at the top of the deformation block (22), and the clamping groove (42) is opened on the body (21).

6. A press-resistant tactile switch according to any one of claims 1-5, characterized in that: A cover plate (5) is provided above the base (1). An avoidance groove (6) for avoiding the button (2) is provided on the cover plate (5). An extension plate (7) is provided around the outside of the body (21). The upper end surface of the extension plate (7) abuts against the lower end surface of the cover plate (5).

Images