CN212726984U - Lever type touch mute button - Google Patents

Abstract

The utility model discloses a lever type touch mute button which is used for matching with an electrical element to output a switch signal and comprises a bottom plate, an elastic silica gel piece and a key seat, wherein the key seat is arranged on the bottom plate, the elastic silica gel piece is arranged in the key seat, and a structural piece for triggering the switch signal is arranged in the elastic silica gel piece; the key further comprises a swing rod, one end of the swing rod is a connecting end and is pivoted on the key seat, the other end of the swing rod is a free-moving seesaw end, the seesaw end is arranged above the elastic silica gel piece, and a pressing structure is further arranged at the middle upper portion of the swing rod. According to the scheme, the elastic silica gel piece is used as a reset element, the pressing distance is shortened by utilizing the lever principle to enhance the hand feeling, and meanwhile, the mute operation is realized; in addition, the adoption of the guide block can ensure that the force applied by the seesaw end of the swing rod to the elastic silica gel piece is always vertically oriented, so that the silica gel piece is not laterally extruded, the service life of the key can be greatly prolonged, and the key can be ensured to output signals more stably; the key has good practicability and good market prospect.

Description

Lever type touch mute button

Technical Field

The utility model relates to an electronic button, concretely relates to lever sense of touch silence button.

Background

The key switch mainly refers to a touch key switch, also called a touch switch. The key switch is an electronic switch, belongs to the class of electronic components, and is switched on when the key switch is used and the switch function is pressed towards the switch operation direction under the condition of meeting the operation force, and is switched off when the pressure is removed.

The silica gel button has the silence, the lower advantage of pressing force, but this kind of silica gel button resilience force is not enough, does not have stronger feeling when pressing, and the height of general silica gel button is higher, and the stroke is great when pressing the power, still leads to kick-backing slowly easily, influences silica gel button life-span scheduling problem, can not bring good use for the user and experience.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a lever sense of touch silence button who feels, long service life.

In order to realize the technical purpose, the utility model discloses a scheme is: a lever type touch mute key is used for being matched with an electrical element to output a switch signal, and comprises a bottom plate, an elastic silica gel piece and a key seat, wherein the key seat is arranged on the bottom plate, the elastic silica gel piece is arranged in the key seat, and a structural piece for triggering the switch signal is arranged in the elastic silica gel piece; the key further comprises a swing rod, one end of the swing rod is a connecting end and is pivoted on the key seat, the other end of the swing rod is a seesaw end which can freely move, the seesaw end is arranged above the elastic silica gel piece, and a pressing structure extending out of the key seat is further arranged at the middle upper part of the swing rod; when the pressing structure is pressed down, the swing rod rotates downwards around the connecting end, and the lifting end extrudes the elastic silica gel piece downwards to enable the structural piece to trigger the electric element to output a signal; after the elastic silica gel piece is loosened, the elastic silica gel piece resets and drives the swing rod to rotate upwards around the connecting end, and the seesaw end and the structural piece both return to the initial position when not pressed.

Preferably, the top of the elastic silica gel piece is also provided with a guide block, the key base is provided with a guide cavity corresponding to the guide block, and the guide block can freely move up and down in the guide cavity perpendicular to the elastic silica gel piece; the seesaw end of the swing rod is connected with the guide block, and the seesaw end drives the elastic silica gel piece to move through the guide block.

Preferably, the side wall of the guide block is provided with a limit edge, the limit edge is matched with the cavity wall of the key seat guide cavity, and the guide block can move up and down with the cavity wall of the guide cavity in a directional and free mode through the limit edge.

Preferably, the pressing structure is a pressing lug, and the swing rod and the pressing lug are integrally formed by injection molding.

Preferably, the pressing structure is an independent pressing piece, a groove is formed in the middle of the swing rod, and the pressing piece is correspondingly installed on the groove.

Preferably, the inner wall of the groove and the bottom of the pressing piece are of circular arc structures.

Preferably, a shell is arranged outside the key seat, and the shell is connected with the key seat through a buckle structure.

Preferably, the electrical component is a light pipe, and the structural member for triggering the switch signal arranged in the elastic silicone member is a light path switch for changing a light path.

Preferably, the optical path switch is a shutter for blocking the optical path or a mirror for refracting the optical path.

Preferably, the electric element is a hall switch, and the structural member in which the trigger switch signal is arranged in the elastic silicone member is a magnetic member for triggering the hall switch.

The utility model has the advantages that: the elastic silica gel piece is used as a key reset element, the lever principle is utilized to change the large stroke of directly pressing the elastic silica gel piece into the small stroke of pressing the elastic silica gel piece through the swing rod, the pressing distance is shortened, the hand feeling is enhanced, and meanwhile, the mute operation is realized; in addition, the adoption of the guide block can ensure that the force applied by the seesaw end of the swing rod to the elastic silica gel piece is always vertically oriented, so that the silica gel piece is not laterally extruded, the service life of the key can be greatly prolonged, and the key can be ensured to output signals more stably; the key has good practicability and good market prospect.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is a schematic structural view of an embodiment of the present invention with a guide block;

FIG. 4 is a schematic view of a partial structure of an embodiment of the present invention with a guide block;

FIG. 5 is an enlarged view of the pilot block and the key seat of the present invention;

fig. 6 is a schematic structural view of the elastic silicone part of the present invention.

Wherein: 1. a base plate; 2. an elastic silicone member; 201. an optical path switch; 3. a key base; 301. a pilot cavity; 4. a housing; 5. a swing rod; 501. a connecting end; 502. a seesaw end; 503. a groove; 6. a pressing structure; 601. pressing the bump; 602. a pressing member; 7. a light-to-tube; 8. a guide block; 801. and (7) limiting the edge.

Detailed Description

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

As shown in fig. 1-6, an embodiment of the present invention is a lever-type touch mute button, which is used to cooperate with an electrical component to output a switch signal. In the most preferred scheme, the key comprises a bottom plate 1, an elastic silica gel piece 2 and a key seat 3, wherein the key seat 3 is installed on the bottom plate 1, and a shell 4 is arranged outside the key seat 3 in a buckling mode to form a key whole.

The elastic silica gel piece is used as an element for triggering a switch signal, so that the key has the advantages of silence and reduced friction, the elastic silica gel piece 2 is arranged in the key seat 3, and a structural part for triggering the switch signal is arranged in the elastic silica gel piece 2. The structural components that trigger the switch signal can be roughly classified into two categories: when the electrical component is a light pair tube, the structural component is a light path switch 201; in practical implementation, the light path switch 201 may be designed as a mirror surface for refracting the light path if the light pair tube 7 is located at the same side position, and the light path switch 201 is a baffle for blocking the light path if the light pair tube is located at the opposite position. And (II) when the electric element is a Hall switch, the structural part is a magnetic part for triggering the Hall switch. The figures in this application are related illustrations of the optical path switch and the optical pair tube.

Different from the key of the elastic silica gel piece directly pressed by the general user, the key of the utility model also comprises a swing link 5, one end of the swing link 5 is a connecting end 501 pivoted (pivoted) on the key base 3, the other end of the swing link 5 is a tilting end 502 capable of freely moving, the tilting end 502 is arranged above the elastic silica gel piece 2, the elastic silica gel piece 2 of the utility model is a round platform structure, and the middle upper part of the swing link 5 is also provided with a pressing structure 6 extending out of the key base 3; when a user presses the pressing structure 6, the swing rod rotates downwards around the connecting end 501, and the seesaw end 502 extrudes the elastic silica gel piece 2 to enable the structural piece 7 to trigger the electric element to output a signal; after the elastic silica gel piece is loosened, the elastic silica gel piece resets and drives the swing rod to rotate upwards around the connecting end 501, and the seesaw end 502 and the structural piece both return to the initial position when not pressed. The elastic silica gel piece 2 is driven to move downwards by pressing the swing rod 5, the pressing part is changed, the pressing stroke is reduced, and the hand feeling is better.

Due to different pressing angles, the seesaw end 501 of the swing rod 5 is easy to laterally extrude the elastic silica gel piece 2, the elastic silica gel piece 2 is easy to cause abrasion and deformation on one side after long-term use, the service life of the elastic silica gel piece is influenced, and especially the instability of the running track of a structural part of an internal trigger switch signal is easy to cause so that the signal output is unstable; in order to solve the problem, the innovative scheme also innovatively uses the structural design of the guide block 8, namely the guide block 8 is arranged at the top of the elastic silica gel piece 2, the key base 3 is provided with a guide cavity 301 corresponding to the guide block 8, and the purpose is to enable the guide block 8 to freely move up and down in the guide cavity 301 and perpendicular to the elastic silica gel piece 2; the seesaw end 501 of the swing rod is connected with the guide block 8 (can be in lap joint or other connection modes), and the seesaw end 501 drives the elastic silica gel piece 2 to move through the guide block 8. The elastic silica gel part 2 can move up and down stably when pressed and returned, and the design can prolong the service life of the elastic silica gel part 2 greatly and ensure the stability of signal output.

In a specific embodiment, as shown in fig. 3 and 5, the edge wall of the pilot block 8 is provided with a limit edge 801, the limit edge 801 is matched with the cavity wall of the key seat pilot cavity 301, and the pilot block 8 freely moves up and down through the guide orientation of the limit edge 801 and the cavity wall of the pilot cavity 301. As shown in fig. 5, the perpendicular protrusion of the limit wall of leading positive piece 8 has spacing limit, perpendicular spacing limit is corresponding with four angles of the inboard wall of leading positive chamber, make lead positive piece 8 and key seat 3 and stably combine, lead the both ends of positive piece simultaneously and also the protrusion has curved spacing limit, curved spacing limit and the vacancy of leading positive chamber gomphosis mutually, can not lead to taking place the displacement of horizontal direction because of pressing down pendulum rod 5, increase and lead the precision that has improved the button behind the positive piece, prolong the life of elasticity silica gel spare 2 by a wide margin, and can ensure signal output's stability.

The swing rod 5 and the pressing structure 6 of the utility model have the following two preferred embodiments, the first one is that the pressing lug 601 is integrally molded on the middle part of the swing rod 5, and the swing rod 5 and the pressing lug 601 are integrally molded by injection, so that the manufacturing is more convenient, and the manufacturing cost is reduced; secondly, a groove 503 is formed in the middle of the swing rod 5, a pressing piece 602 is correspondingly installed on the groove 503, the groove 503 in the middle of the swing rod is pressed through the pressing piece 602, the inner wall of the groove 503 and the bottom of the pressing piece 602 are of an arc-shaped structure, the pressing piece 602 is separated from the swing rod 5, and the pressing hand feeling is better.

According to the scheme, the elastic silica gel piece is used as a key reset element, the lever principle is utilized to change a large stroke for directly pressing the elastic silica gel piece into a small stroke for pressing the elastic silica gel piece through the swing rod, the pressing distance is shortened, the hand feeling is enhanced, and meanwhile, the mute operation is realized; in addition, the adoption of the guide block can ensure that the force applied by the seesaw end of the swing rod to the elastic silica gel piece is always vertically oriented, so that the silica gel piece is not laterally extruded, the service life of the key can be greatly prolonged, and the key can be ensured to output signals more stably; the key has good practicability and good market prospect.

The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.

Claims (10)

1. A lever type touch mute button is used for matching with an electrical element to output a switch signal, and is characterized in that: the key comprises a bottom plate, an elastic silica gel piece and a key seat, wherein the key seat is arranged on the bottom plate, the elastic silica gel piece is arranged in the key seat, and a structural piece for triggering a switch signal is arranged in the elastic silica gel piece in a matching mode; the key further comprises a swing rod, one end of the swing rod is a connecting end and is pivoted on the key seat, the other end of the swing rod is a seesaw end which can freely move, the seesaw end is arranged above the elastic silica gel piece, and a pressing structure extending out of the key seat is further arranged at the middle upper part of the swing rod; when the pressing structure is pressed down, the swing rod rotates downwards around the connecting end, and the lifting end extrudes the elastic silica gel piece downwards to enable the structural piece to trigger the electric element to output a signal; after the elastic silica gel piece is loosened, the elastic silica gel piece resets and drives the swing rod to rotate upwards around the connecting end, and the seesaw end and the structural piece both return to the initial position when not pressed.

2. The lever type touch mute button as claimed in claim 1, wherein: the top of the elastic silica gel piece is also provided with a guide block, the key seat is provided with a guide cavity corresponding to the guide block, and the guide block can freely move up and down in the guide cavity perpendicular to the elastic silica gel piece; the seesaw end of the swing rod is connected with the guide block, and the seesaw end drives the elastic silica gel piece to move through the guide block.

3. The lever type touch mute button as claimed in claim 2, wherein: the side wall of the guide block is provided with a limiting edge, the limiting edge is matched with the cavity wall of the key seat guide cavity, and the guide block can freely move up and down along the direction of the cavity wall of the guide cavity through the limiting edge.

4. The lever type touch mute button as claimed in claim 1, wherein: the pressing structure is a pressing lug, and the oscillating bar and the pressing lug are integrally formed in an injection molding mode.

5. The lever type touch mute button as claimed in claim 1, wherein: the pressing structure is an independent pressing piece, a groove is formed in the middle of the swing rod, and the pressing piece is correspondingly arranged on the groove.

6. The lever type touch mute button as claimed in claim 5, wherein: the inner wall of the groove and the bottom of the pressing piece are of arc-shaped structures.

7. The lever type touch mute button as claimed in claim 1, wherein: a shell is arranged outside the key seat and connected with the key seat through a buckle structure.

8. The lever type touch mute button as claimed in claim 1, wherein: the electric element is a light pair tube, and the structural part of the trigger switch signal arranged in the elastic silica gel part is a light path switch for changing a light path.

9. The lever type touch mute button as claimed in claim 8, wherein: the light path switch is a baffle plate for blocking the light path or a mirror surface for refracting the light path.

10. The lever type touch mute button as claimed in claim 1, wherein: the electric element is a Hall switch, and the structural part provided with a trigger switch signal in the elastic silica gel part is a magnetic part for triggering the Hall switch.

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