CN110600307B

CN110600307B - Waterproof touch switch

Info

Publication number: CN110600307B
Application number: CN201911037030.9A
Authority: CN
Inventors: 程先金; 刘钟
Original assignee: Chongqing Bingwei Technology Co ltd
Current assignee: Chongqing Bingwei Technology Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2021-07-27
Anticipated expiration: 2039-10-29
Also published as: CN110600307A

Abstract

The invention discloses a waterproof light-touch switch, which solves the problem that water enters the switch from a gap of a light-touch switch button, so that electric shock danger is caused, and short circuit is caused, so that more serious power utilization accidents occur; the elastic button and the conductive elastic sheet are separated by the elastic rubber pad, so that the base cover plate and the switch base form a completely isolated inner cavity body.

Description

Waterproof touch switch

Technical Field

The invention relates to the field of touch switches, in particular to a waterproof touch switch.

Background

The touch switch is an electronic switch, mainly used in daily household appliances, and can be switched on by lightly pressing a switch button when in use, and can be switched off when the hand is released, and the internal structure of the touch switch is switched on and off by the elastic force of a metal elastic sheet. However, general push switch passes through button and elastic component cooperation, accomplishes the metal shrapnel contact, and the switch switches on, and this kind of mode often because button and switch shell have the clearance, inside water can pass through clearance entering switch to take place to electrocute danger, cause the short circuit, thereby take place more serious power consumption accident, it is very important to design a light touch switch with waterproof function to daily electrical apparatus safety and practicality provide effectual power consumption protection.

Disclosure of Invention

The invention provides a waterproof light-touch switch, aiming at the problems that in the prior art, water enters the interior of the switch through a gap, so that electric shock hazard is generated, short circuit is caused, and more serious power utilization accidents are caused.

A waterproof tact switch characterized by comprising:

the switch comprises a switch base, wherein a groove is formed in the switch base;

the base cover plate is matched with the groove to form an inner cavity body, and the base cover plate is provided with an elastic button through pipe;

the elastic button is arranged in the elastic button through pipe;

the elastic rubber pad is arranged on the base cover plate and in the bottom end of the elastic button through pipe, and the upper surface of the elastic rubber pad is in contact with the elastic button;

the conductive elastic sheet is arranged in the switch base and is in contact with the lower end of the elastic rubber pad;

the conductive contact piece is arranged at the bottom of the switch base, and the conductive elastic sheet is matched with the conductive contact piece to realize the on-off of the light-touch switch;

the elastic gasket seals an inner cavity formed by the base cover plate and the switch base.

Further, when the elastic button is pressed downwards, the elastic rubber pad is stretched downwards, so that the conductive elastic sheet moves towards the conductive contact piece, and the conductive elastic sheet is conducted towards the conductive contact piece; when the pressure disappears, the elastic button resets, so that the elastic rubber pad and the conductive elastic sheet reset, and the conductive elastic sheet is disconnected from the conductive contact piece.

Further, the base cover plate is provided with a groove, and the groove is used for installing the elastic rubber mat.

Furthermore, a plurality of semicircular gaps are formed in the bottom end of the elastic button through pipe, and the bottom end of the elastic button through pipe is connected with the base cover plate; the top of elastic button siphunculus is provided with the segmental arc of inflection, the segmental arc is in the top of elastic button siphunculus forms one and is less than the through-hole of elastic button siphunculus internal diameter, the diameter of elastic button with the internal diameter that the elastic button leads to matches, and curved port can prevent to cut the finger, and when water entering switch, can directly follow the breach of elastic button siphunculus flows, and water can not advance like inside the switch, also can not be in the elastic gasket position stops, and the breach can improve simultaneously the elastic rubber pad radiating effect.

Further, the elastic button includes spring and button cap, spring one end with button cap is fixed, the other end with the contact of elastic rubber mat, button cap size with the through-hole size matches.

Further, the elastic rubber mat comprises a rubber mat cap and rubber mat feet, wherein the rubber mat cap is provided with an outer convex clamping strip, and the outer convex clamping strip and the groove are matched to fix the elastic rubber mat on the base cover plate.

Furthermore, pins are arranged at two ends of the outer part of the switch base.

The invention principle is as follows: the switch base and the base cover plate form a sealed cavity, the elastic rubber pad is arranged between the elastic button and the conductive elastic sheet, the elastic rubber pad is compressed after the spring receives pressure, the conductive elastic sheet is contacted with the conductive contact piece through the elastic rubber pad, the electric conduction is realized, and when the pressure disappears, the elastic button, the elastic rubber pad and the conductive elastic sheet reset to realize the power failure.

The invention has the following advantages and beneficial effects:

1. the invention is provided; through set up between the elastic button and the electrically conductive shell fragment the elasticity cushion will the elastic button with electrically conductive shell fragment is kept apart, switches on and cuts off through indirect mode control switch, has realized dabbing the waterproof effect completely of switch.

2. The invention is provided; through the one end of elasticity button siphunculus is provided with a plurality of semicircle breachs, can accelerate to get into the evaporation of water in the elasticity button siphunculus also can accelerate the heat dissipation of elasticity cushion.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is an axial view of a tact switch of the present invention.

Fig. 2 is an exploded view of the tact switch of the present invention.

Fig. 3 is a cross-sectional view of the tact switch of the present invention.

FIG. 4 is a cross-sectional view of the elastic rubber pad of the present invention.

Fig. 5 is an axial view of the elastic button through tube of the present invention.

Reference numbers and corresponding part names in the drawings:

1-elastic button, 2-elastic button through pipe, 3-base cover plate, 4-pin, 5-switch base, 6-button cap, 7-spring, 8-rubber pad cap, 9-rubber pad foot, 10-conductive elastic sheet, 11-elastic rubber pad, 12-conductive contact piece, 13-convex clamping strip, 14-through hole and 15-semicircular gap.

Detailed Description

Hereinafter, the term "comprising" or "may include" used in various embodiments of the present invention indicates the presence of the invented function, operation or element, and does not limit the addition of one or more functions, operations or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprises," "comprising," "includes," "including," "has," "having" and their derivatives are intended to mean that the specified features, numbers, steps, operations, elements, components, or combinations of the foregoing, are only meant to indicate that a particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be construed as first excluding the existence of, or adding to the possibility of, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.

In various embodiments of the invention, the expression "or" at least one of a or/and B "includes any or all combinations of the words listed simultaneously. For example, the expression "a or B" or "at least one of a or/and B" may include a, may include B, or may include both a and B.

Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements described. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.

It should be noted that: if it is described that one constituent element is "connected" to another constituent element, the first constituent element may be directly connected to the second constituent element, and a third constituent element may be "connected" between the first constituent element and the second constituent element. In contrast, when one constituent element is "directly connected" to another constituent element, it is understood that there is no third constituent element between the first constituent element and the second constituent element.

The terminology used in the various embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the invention. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

A waterproof tact switch and a method.

As shown in fig. 1, 2 and 3, a switch base 5 provides a concave cavity for a light touch switch, pins 4 are arranged at two ends of the side surface of the switch base 5, a conductive contact piece 12 and a conductive elastic sheet 10 are sequentially arranged in the cavity of the concave from bottom to top, a base cover plate 3 is arranged at the top of the switch base 5 to jointly form a closed cavity in the switch base, a mounting hole is arranged at the center of the base cover plate 3, a clamping groove is arranged at the edge of the mounting hole, an elastic rubber pad 11 is arranged on the base cover plate 3 through the mounting hole, the elastic rubber pad 11 comprises a rubber pad cap 8 and a rubber pad foot 9, the rubber pad cap 8 fixes the elastic rubber pad 11 on the base cover plate 3, and the rubber pad foot 9 is in contact with the conductive elastic sheet 10; the center is provided with elasticity button siphunculus 2 on base apron 3, and elasticity cushion 11 installs at the center of base apron 3, and is located elasticity button siphunculus 2, and elasticity button 1 installs in elasticity button siphunculus 2, and elasticity button 1 includes button cap 6 and spring 7, and spring 7 one end is fixed with button cap 6, and the other end and cushion cap 8 contact.

As shown in fig. 1, fig. 4, fig. 5, the elastic rubber pad 11 includes rubber pad cap 8 and rubber pad foot 9, be provided with outer protruding card strip 13 on the rubber pad cap 8, outer protruding card strip 13 passes through the draw-in groove to be fixed on

base apron

3, 2 one end of elastic button siphunculus is provided with a plurality of semicircle breachs 15, the end that elastic button siphunculus 2 has semicircle breach 15 is connected with base apron 3, the other end of elastic button siphunculus 2 is provided with the segmental arc of interior bay, the segmental arc forms a through-hole 14 that just is less than 2 internal diameters of elastic button siphunculus inwards on the top of elastic button siphunculus 2.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A waterproof tact switch characterized by comprising:

the switch comprises a switch base (5), wherein a switch groove is formed in the switch base (5);

the base cover plate (3) is matched with the switch groove to form an inner cavity body, and the base cover plate (3) is provided with an elastic button through pipe (2);

the elastic button (1), the elastic button (1) is installed in the elastic button through pipe (2);

the elastic rubber mat (11) is arranged on the base cover plate (3) and is arranged in the bottom end of the elastic button through pipe (2), and the upper surface of the elastic rubber mat (11) is in contact with the elastic button (1);

the conductive elastic sheet (10) is arranged in the switch base (5), and the conductive elastic sheet (10) is in contact with the lower end of the elastic rubber pad (11);

the conductive contact piece (12) is installed at the bottom of the switch base (5), and the conductive elastic sheet (10) is matched with the conductive contact piece (12) to realize the on-off of the light-touch switch;

the elastic rubber pad (11) seals an inner cavity formed by the base cover plate (3) and the switch base (5);

the bottom end of the elastic button through pipe (2) is provided with a plurality of semicircular notches (15), and the bottom end of the elastic button through pipe (2) is connected with the base cover plate (3); the top of elasticity button siphunculus (2) is provided with the segmental arc of inflection, the segmental arc is in the top of elasticity button siphunculus (2) forms one and is less than through-hole (14) of elasticity button siphunculus internal diameter, the diameter of elasticity button (1) with the internal diameter matching of elasticity button siphunculus (2).

2. The waterproof tact switch according to claim 1, wherein when the elastic button (1) is pressed downwards, the elastic rubber pad (11) is stretched downwards, so that the conductive elastic sheet (10) moves towards the conductive contact piece (12), and the conductive elastic sheet (10) is conducted with the conductive contact piece (12); when the pressure disappears, the elastic button (1) resets, so that the elastic rubber mat (11) and the conductive elastic sheet (10) reset, and the conductive elastic sheet (10) is disconnected with the conductive contact piece (12).

3. A waterproof tact switch according to claim 1, characterized in that said base cover (3) is provided with a groove for the mounting of said elastic rubber mat (11).

4. A waterproof tact switch according to claim 3, characterized in that said elastic button (1) comprises a spring (7) and a button cap (6), one end of said spring (7) is fixed with said button cap (6) and the other end is contacted with said elastic rubber pad (11), and the size of said button cap (6) is matched with the size of said through hole (14).

5. The waterproof tact switch according to claim 2, wherein the elastic rubber pad (11) comprises a rubber pad cap (8) and a rubber pad foot (9), the rubber pad cap (8) is provided with an external convex clamping strip (13), and the external convex clamping strip (13) and the groove cooperate to fix the elastic rubber pad (11) on the base cover plate (3).

6. The waterproof tact switch according to claim 1, wherein pins (4) are provided at both outer ends of the switch base (5).