Touch switch with support

Abstract

The utility model provides a touch switch with a support, which relates to the technical field of electric switches, is reasonable in structural arrangement, and has good practicability and generalizability. The support, the base and the button are assembled together. An inner cavity with an upper opening is formed in the base, a reed is arranged in the inner cavity, and a first conductor, a second conductor and a third conductor are arranged at the bottom of the inner cavity; the reed comprises a disc part with the center arched upwards and two arc-shaped structures which are oppositely arranged and located on the outer side of the disc part, the middle of one arc-shaped structure is in lap joint with the first electric conductor, and the middle of the other arc-shaped structure is in lap joint with the portion, opposite to the first electric conductor, in the inner cavity. The center and the edge part of the reed are respectively arranged corresponding to the second conductor and the third conductor; when the button applies downward pressure to the reed under the action of external pressure, the reed deforms downwards, and the center and the edge of the reed are in contact with the second conductor and the third conductor respectively.

Description

Technical Field

[0001] The utility model relates to the technical field of electric switches, in particular to a light touch switch with a bracket. Background Art

[0002] A touch switch is also called a key switch or a sensitive switch. When in use, the switch function is closed by applying pressure in the direction of the switch operation under the condition of satisfying the operating force. When the pressure is removed, the switch is disconnected. Touch switches have the advantages of small contact resistance, precise operating force error, and diversified specifications. They are widely used in electronic equipment and home appliances. Most of the current touch switches can only control one circuit and cannot be directly used in situations where users need to control two circuits. The scope of use is subject to certain restrictions. Utility Model Content

[0003] The utility model provides a light touch switch to solve the problems pointed out in the background technology.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] Provided is a touch switch with a bracket, the touch switch comprising a bracket, a base and a button assembled together; the base has an inner cavity with an open top, a reed is arranged in the inner cavity, and the bottom of the inner cavity is provided with a first conductor, a second conductor and a third conductor;

[0006] The spring sheet includes a disk portion with an upward arch at the center and two arc-shaped structures arranged opposite to each other and located outside the disk portion, the middle portion of one arc-shaped structure overlaps the first conductor, and the middle portion of the other arc-shaped structure overlaps the support platform in the inner cavity opposite to the first conductor, and the center and the edge of the spring sheet are arranged corresponding to the second conductor and the third conductor respectively;

[0007] When the button applies downward pressure to the reed under the action of external pressure, the reed is deformed downward, and the center and the edge of the reed are in contact with the second conductor and the third conductor respectively.

[0008] In some embodiments, the bracket is an integrally formed structure, including a cover plate and mounting plates arranged at both ends of the cover plate, the cover plate and the two mounting plates enclose a U-shaped space, the base is installed in the U-shaped space, and the cover plate is fixedly pressed on the upper end surface of the base;

[0009] The button comprises a main body and an annular stopper, wherein the annular stopper is integrally arranged around the outer periphery of the main body, the upper end of the main body passes through the cover plate and extends out of the cover plate, and the cover plate blocks and limits the annular stopper.

[0010] In some embodiments, the mounting plate is provided with a card slot penetrating the plate surface, the card slot is provided with a card protrusion protruding inward, the side of the base is provided with a corresponding card block, and the card protrusion is correspondingly engaged with the card block.

[0011] In some embodiments, a plug-in portion and supporting feet are provided at the lower end of the mounting plate.

[0012] In some embodiments, a limit groove is provided on the inner wall of the inner cavity along the up and down directions, and a limit foot is formed at the connection between the two arc-shaped structures on the spring leaf. The inner end of the limit foot is connected to the disc part as a whole, and the outer end extends into the limit groove.

[0013] The touch switch of the utility model has the positive effects: the touch switch structure is optimized in the utility model, so that when the button applies downward pressure to the reed under the action of external pressure, the reed is deformed downward, and the center and the edge of the reed are respectively in contact with the second conductor and the third conductor, so that two circuit paths are formed between the first conductor and the second conductor and between the first conductor and the third conductor. In normal state (that is, after the pressure on the button is removed), the reed is reset upward, the disc portion does not contact the second conductor and the third conductor, and the two circuit paths are cut off, so as to achieve the purpose of controlling the two circuits, thereby adapting to the user's usage needs and having better applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the structure of the touch switch in the utility model;

[0016] Figure 2 for Figure 1 Explosion diagram of the touch switch in the middle;

[0017] Figure 3 It is a structural schematic diagram of the reed in the utility model. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present utility model are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In the present utility model, unless otherwise clearly specified and limited, the terms "connection", "fixed", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral whole; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] In addition, the descriptions of "first", "second", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0021] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0022] The present utility model embodiment provides a touch switch 100 with a bracket. Figures 1 to 3As shown, it includes a bracket 1, a base 2 and a button 3 assembled together; the base 2 has an inner cavity B with an open top, and a reed 4 is arranged in the inner cavity B. The reed 4 is made of elastic metal, and the bottom of the inner cavity B is provided with a first conductor 25, a second conductor 23 and a third conductor 22; the reed 4 includes a disc portion 41 with an upward arch in the center and two arc-shaped structures 43 arranged opposite to each other and located outside the disc portion 41, the middle part of one arc-shaped structure 43 overlaps the first conductor 25, and the middle part of the other arc-shaped structure 43 overlaps the support platform in the inner cavity B opposite to the first conductor 25, and the center and the edge of the reed 4 are arranged corresponding to the second conductor 23 and the third conductor 22 respectively; the support platform is integrally formed on the base 2 On the upper side, the support platform can cooperate with the first conductor 25 to support the reed 4, so that the reed 4 remains stable in the concave cavity B; when the button 3 applies downward pressure to the reed 4 under the action of external pressure, the reed 4 is deformed downward, and the center and edge of the reed 4 are respectively in contact with the second conductor 23 and the third conductor 22, so that two circuit paths are formed between the first conductor 25 and the second conductor 23 and between the first conductor 25 and the third conductor 22. In normal state (that is, after the pressure on the button is removed), the reed 4 is reset upward, the disc portion 41 is not in contact with the second conductor 23 and the third conductor 22, and the two circuit paths are cut off, so as to achieve the purpose of controlling the two circuits, thereby adapting to the user's usage needs and having better applicability.

[0023] In some embodiments, the bracket 1 is an integrally formed structure, including a cover plate 11 and mounting plates 12 arranged at both ends of the cover plate 11, the cover plate 11 and the two mounting plates 12 enclose a U-shaped space A, the base 2 is installed in the U-shaped space A, and the cover plate 11 is fixedly pressed on the upper end surface of the base 2; the button 3 includes a main body 31 and an annular baffle 32, the annular baffle 32 is integrally arranged around the outer periphery of the main body 31, the upper end of the main body 31 passes through the cover plate 11 and extends outside the cover plate 11, the cover plate 11 blocks and limits the annular baffle 32, thereby preventing the button 3 from detaching, and the lower end of the main body 31 is abutted against the center of the upper part of the disc portion 41.

[0024] Exemplarily, the base 2 and the bracket 1 can be installed together by snapping; the base 2 and the cover 11 can also be fixed together by screws; or, a plurality of upwardly protruding bosses are integrally provided at the upper end of the base 2, and positioning holes are provided on the cover 11. After the bosses pass through the positioning holes, they are hot-pressed and deformed to form a limit stop, so that the assembly is quick and reliable.

[0025] In some embodiments, the mounting plate 12 is provided with a card slot 121 that passes through the plate surface, and an inwardly protruding card protrusion 122 is provided at the card slot 121. A corresponding card block 21 is provided on the side of the base 2, and the card protrusion 122 is correspondingly engaged with the card block 21, so that the assembly between the bracket 1 and the base 2 can be easily achieved.

[0026] In some embodiments, the lower end of the mounting plate 12 is provided with a plug-in portion 123 and a supporting foot to facilitate the subsequent positioning and installation of the touch switch 100. When assembled with the circuit board, the plug-in portion 123 is inserted into the positioning hole of the circuit board until the supporting foot abuts against the surface of the circuit board, and the supporting foot plays a role of resisting 42 and limiting.

[0027] Correspondingly, a limit groove 24 is provided on the inner side wall of the inner cavity B along the up and down direction, and a limit foot 42 is formed at the connection between the two arc-shaped structures 43 on the spring leaf 4. The inner end of the limit foot 42 is connected to the disc portion 41 as a whole, and the outer end edge extends into the limit groove 24, thereby limiting the up and down movement of the spring leaf 4, thereby preventing the spring leaf 4 from rotating in the inner cavity B.

[0028] Further, if Figure 3 As shown, an upward bending angle 44 is provided in the middle of the arc-shaped structure 43 , and two fulcrums are formed at the bottom of each bending angle 44 , which has better support and can support the spring leaf 4 more stably.

[0029] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A touch switch with a bracket, characterized in that: The touch switch comprises a bracket, a base and a button assembled together; the base has an inner cavity with an open top, a reed is arranged in the inner cavity, and the bottom of the inner cavity is provided with a first conductor, a second conductor and a third conductor; The spring sheet includes a disk portion with an upward arch at the center and two arc-shaped structures arranged opposite to each other and located outside the disk portion, the middle portion of one arc-shaped structure overlaps the first conductor, and the middle portion of the other arc-shaped structure overlaps the support platform in the inner cavity opposite to the first conductor, and the center and the edge of the spring sheet are arranged corresponding to the second conductor and the third conductor respectively; When the button applies downward pressure to the reed under the action of external pressure, the reed is deformed downward, and the center and the edge of the reed are in contact with the second conductor and the third conductor respectively.

2. The touch switch with a bracket according to claim 1, characterized in that: The bracket is an integrally formed structure, comprising a cover plate and mounting plates arranged at both ends of the cover plate, the cover plate and the two mounting plates enclose a U-shaped space, the base is installed in the U-shaped space, and the cover plate is fixedly pressed on the upper end surface of the base; The button comprises a main body and an annular stopper, wherein the annular stopper is integrally arranged around the outer periphery of the main body, the upper end of the main body passes through the cover plate and extends out of the cover plate, and the cover plate blocks and limits the annular stopper.

3. The touch switch with a bracket according to claim 2, characterized in that: The mounting plate is provided with a card slot penetrating the plate surface, the card slot is provided with a card protrusion protruding inward, the side surface of the base is provided with a corresponding card block, and the card protrusion is correspondingly engaged with the card block.

4. The touch switch with a bracket according to claim 2, characterized in that: The lower end of the mounting plate is provided with a plug-in portion and a supporting foot.

5. The touch switch with a bracket according to claim 1, characterized in that: The inner wall of the inner cavity is provided with a limit groove arranged in the up-down direction, and the connection between the two arc-shaped structures on the spring sheet forms a limit foot, the inner end of the limit foot is connected to the disc part as a whole, and the outer end edge extends into the limit groove.

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