Sound production structure for button switch

Abstract

Disclosed in the present invention is a sound production structure for a button switch. The sound production structure comprises a base and a guide core arranged on the base. An upper accommodating recess extending internally upwards is formed in the lower portion of the guide core. The sound production structure further comprises a sound production member arranged between the upper accommodating recess and the base, and a spring member arranged between the sound production member and the top of the upper accommodating recess; sound production limiting slots are correspondingly formed on two sides of the upper accommodating recess, respectively; and the sound production member acts on the sound production limiting slots. According to the sound production structure for the button switch provided by the present invention, a press-based sound production effect is achieved, components are tightly matched to achieve smooth, rapid, stable and accurate operations, the structure has a long service life and a good sound production effect, and the sound production effect would not be reduced after long-term use, thereby improving user experience.

Description

A sound-generating structure for a key switch Technical Field

[0001] The present invention relates to the technical field of key switches, and in particular to a sound-generating structure for a key switch. Background Art

[0002] Currently, the most widely used sound-generating pushbutton switches on the market use a torsion spring that bounces against the switch base or cover to produce sound. However, after prolonged use, the torsion spring reaches its limit, causing it to deform and no longer be able to bounce. This shortens the life of the torsion spring, significantly reducing the sound quality. Summary of the Invention

[0003] In view of the above-mentioned shortcomings, the purpose of the present invention is to provide a sound-producing structure for a push-button switch to achieve a pressing sound effect. The various structures cooperate closely with each other, and the movement is smooth, fast, stable and precise. The structure has a long life and a good sound effect. The sound effect will not be reduced after long-term use, thereby improving the user experience.

[0004] The technical solution adopted by the present invention to achieve the above-mentioned object is:

[0005] A sound-producing structure for a push-button switch comprises a base, a guide core arranged on the base, an upper accommodating groove extending inward and upward is formed at the lower portion of the guide core, a sound-producing member arranged between the upper accommodating groove and the base, and an elastic member arranged between the sound-producing member and the top of the upper accommodating groove, a sound-producing limit groove being formed on each side of the upper accommodating groove, and the sound-producing member acting on the sound-producing limit groove.

[0006] As a further improvement of the present invention, a movable sounding column extending toward the sounding limiting groove and acting on the sounding limiting groove is respectively formed on both sides of the sounding member.

[0007] As a further improvement of the present invention, the sound limiting groove is arranged to extend obliquely from the lower rear portion toward the upper front portion.

[0008] As a further improvement of the present invention, a movable groove matching the guide core is formed in the middle of the base.

[0009] As a further improvement of the present invention, at least one limiting column extending downward is formed on the lower end surface of the sound-emitting member, and at least one inserting groove matching the limiting column is formed on the movable groove.

[0010] As a further improvement of the present invention, the number of the limiting columns and the number of the insertion grooves are both 2 groups.

[0011] As a further improvement of the present invention, a fixed guide column which is overall in a cross-conical shape and extends upward is formed at the upper end of the sound-generating member, and the lower end of the elastic member is sleeved on the fixed guide column.

[0012] As a further improvement of the present invention, a plurality of guide limit blocks are sequentially arranged on the inner wall of the upper end of the upper accommodating groove and extend obliquely upward from the bottom.

[0013] As a further improvement of the present invention, the elastic member is a spring.

[0014] The beneficial effects of the present invention are:

[0015] Through the guide core with a special structural design, the sounding part is driven by the guide core to act in the sound limiting groove, thereby achieving a press-to-sound effect. The various structures cooperate closely, and the movement is smooth, fast, stable and precise. The structure has a long life and the sounding effect is good. The sounding effect will not be reduced after long-term use, thereby improving the user experience.

[0016] The above is an overview of the technical solution of the invention. The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

[0017] BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is an overall schematic diagram of a key switch;

[0019] FIG2 is a schematic structural diagram of the present invention;

[0020] FIG3 is an exploded view of the present invention;

[0021] FIG4 is a bottom schematic diagram of the guide core;

[0022] FIG5 is a cross-sectional view of the present invention when the de-elastic member begins to press;

[0023] FIG6 is a cross-sectional view of the present invention when the elastic member is further pressed;

[0024] FIG7 is a cross-sectional view of the elastic member of the present invention when it impacts and produces sound;

[0025] FIG8 is a cross-sectional view of the present invention when the elastic member is pressed into place;

[0026] In the figure: 1. Base; 11. Movable groove; 111. Insertion groove; 2. Guide core; 21. Upper accommodating groove; 211. Sounding limit groove; 212. Guide limit block; 3. Sounding member; 31. Movable sounding column; 32. Limiting column; 33. Fixed guide column; 4. Elastic member. DETAILED DESCRIPTION

[0027] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings and preferred embodiments.

[0028] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 therefore cannot be understood as limiting the present invention.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0030] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0031] Referring to Figures 1 to 8, an embodiment of the present invention provides a sound-generating structure for a push-button switch, comprising a base 1 and a guide core 2 disposed on the base 1. The structure is characterized in that an upper receiving groove 21 extending inward and upward is formed at the lower portion of the guide core 2. The structure further comprises a sound-generating member 3 disposed between the upper receiving groove 21 and the base 1, and an elastic member 4 disposed between the sound-generating member 3 and the top of the upper receiving groove 21. A sound-generating limiting groove 211 is formed on each side of the upper receiving groove 21, and the sound-generating member 3 acts on the sound-generating limiting groove 211. By providing the upper receiving groove 21 within the guide core 2, the sound-generating member 3 and the elastic member 4 are movable between the upper receiving groove 21 and the base 1, thereby effectively saving the area required for the additional sound-generating member 3 and the elastic member 4.

[0032] As shown in FIG. 5 , in the unpressed state, the sounding member 3 is located at the lowest end of the sounding limiting groove 211 under the elastic action of the elastic member 4 . As shown in Figures 6 to 8, when the guide core 2 is pressed downward, the guide core 2 drives the elastic part 4 and the sound-emitting part 3 to move downward, and the lower end of the sound-emitting part 3 is pressed against the base 1. The upper end of the elastic part 4 is compressed and deformed by the downward pressure given by the guide core 2, and the sound-emitting part 3 moves laterally and tiltedly from the bottom end of the sound-emitting limit groove 211 to the middle upper part of the sound-emitting limit groove 211 in the sound-emitting limit groove 211. The guide core 2 continues to press downward, and the lower end of the sound-emitting part 3 is separated from the pressing effect of the base 1. Under the elastic reset force of the elastic part 4, the elastic part 4 exerts a downward force based on the sound-emitting part 3, and the sound-emitting part 3 enters the base 1. The sound-emitting part 3 moves from the middle upper position of the sound-emitting limit groove 211 in the sound-emitting limit groove 211 and hits the middle lower position of the sound-emitting limit groove 211 to make a sound, thereby achieving the purpose of pressing and making a sound. The various structures work closely together, and the movements are smooth, fast, stable, and precise. The structure has a long life and the sound effect is good. The sound effect will not decrease after long-term use, which improves the user experience.

[0033] Regarding the specific sound-generating mode of the sound-generating member 3 striking the sound-generating limit groove 211, as shown in Figures 2 to 8, a movable sound-generating column 31 is formed on both sides of the sound-generating member 3, extending into the sound-generating limit groove 211 and acting on the sound-generating limit groove 211. The movable sound-generating column 31 moves within the sound-generating limit groove 211 and is driven by the guide core 2 to strike the sound-generating limit groove 211 to produce sound. The cooperation restriction of the movable sound-generating column 31 within the sound-generating limit groove 211 limits the movement of the sound-generating member 3, so that the sound-generating member 3 can only move along the direction within the sound-generating limit groove 211, preventing the sound-generating member 3 from moving in other directions while being driven by the guide core 2, thereby improving the accuracy and efficiency of the sound-generating structure.

[0034] As for the specific manner in which the sound limiting groove 211 limits the sounding member 3, as shown in Figures 2 to 8, the sound limiting groove 211 is arranged to extend obliquely from the rear lower portion toward the front upper portion. Under the inclined guiding action of the sound limiting groove 211, the movable sounding column 31 limits the movement of the sounding member 3, preventing the sounding member 3 from moving in other directions while being driven by the guide core 2, and allowing the movable sounding column 31 to perform precise tilting movement within the sound limiting groove 211. Furthermore, the inclined structural setting increases the movement of the movable sounding column 31, and in conjunction with the elastic restoring force of the elastic member 4, the time when the movable sounding column 31 is driven by the guide core 2 to hit the sound limiting groove 211 and achieve sound is staggered with the time when the guide core 2 rebounds, thereby avoiding the problem that the rebound time of the guide core 2 and the sounding time are the same, thereby covering the sound emitted by the sounding member 3 or causing a failure to produce sound. The width of the sound limiting groove 211 is longer than the width of the movable sounding column 31, thereby reserving sufficient space for the movable sounding column 31 of the sounding member 3 to move in all directions of the sound limiting groove 211, which is beneficial to the coordination of various components.

[0035] As for the specific manner in which the guide core 2 and the sounding member 3 are movable on the base 1, as shown in Figures 3 and 5 to 8, a movable groove 11 is formed in the middle of the base 1 to match the guide core 2. The guide core 2 and the sounding member 3 are embedded and movable in the movable groove 11, thereby realizing the output signal of pressing and the sound of impact.

[0036] Regarding the specific manner in which the sounding member 3 presses against the base 1 and releases the pressure to enter the base 1, as shown in Figures 3 and 5 to 8, the lower end surface of the sounding member 3 is formed with at least one downwardly extending limiting post 32, and the movable groove 11 is formed with at least one insertion groove 111 that matches the limiting post 32. As shown in Figure 5, when not pressed, the limiting post 32 of the sounding member 3 presses against the outer side of the insertion groove 111, and the sounding member 3 is driven by the guide core 2 to the upper end position of the movable groove 11. As shown in Figures 6 to 8, when the guide core 2 is pressed, the sounding member 3 moves obliquely and laterally under the cooperation of the guide core 2 and the elastic member 4, and under the inclined guidance of the sounding limiting groove 211. The limiting post 32 below the sounding member 3 gradually moves from the outer side of the insertion groove 111 to the edge of the insertion groove 111, and the elastic member 4 is compressed and deformed. The guide core 2 continues to be pressed downward, and the limiting column 32 moves to the top of the insertion groove 111 to break away from the pressing force of the base 1, and under the elastic restoring force of the elastic member 4, the sounding member 3 obtains a downward acceleration force, and the sounding member 3 enters the insertion groove 111. At this time, the movable sounding column 31 hits the sound limiting groove 211 to achieve sound. By setting a limiting post 32 at the bottom end of the sound-emitting member 3, the limiting post 32 is pressed against the base 1 before the sound-emitting member 3 is pressed downward, and the elastic member 4 is further compressed and deformed by the limiting action of the base 1. At the same time, under the simultaneous action of the downward pressure of the upper guide core 2 and the upward pressure of the lower base 1, the sound-emitting member 3 moves laterally, so that the movable sounding post 31 moves to the upper middle part of the sound limiting groove 211, providing the movable sounding post 31 with an impact space for moving downward and hitting the lower middle part of the sound limiting groove 211, and then the limiting post 32 moves to enter the insertion groove 111, and the elastic member 4 that is further compressed and deformed provides the movable sounding post 31 with an instantaneous acceleration force for impacting downward, so that the movable sounding post 31 shifts and hits the lower middle part of the sound limiting groove 211 to make a sound, which is conducive to improving the impact sound.

[0037] Preferably, as shown in Figures 3 and 5 to 8, the number of the limiting columns 32 and the insertion grooves 111 are both 2 groups, and the limiting columns 32 are a 2-column structure so that the bottom end of the sounding member 3 can be better evenly pressed by the base 1 to prevent the sounding member 3 from being offset toward a certain end due to a single limiting column 32.

[0038] As for the specific way in which the elastic member 4 acts on the sound-emitting member 3, as shown in FIG3 , a fixed guide column 33 is formed at the upper end of the sound-emitting member 3 in the shape of a cross cone and extending upward, and the lower end of the elastic member 4 is sleeved on the fixed guide column 33, so that the elastic member 4 acts stably on the sound-emitting member 3, providing the sound-emitting member 3 with an instantaneous downward force.

[0039] In order to prevent the elastic member 4 from shifting in the upper accommodating groove 21, as shown in Figure 4, a number of guide limit blocks 212 extending upward from the bottom are arranged in sequence on the inner wall of the upper end of the upper accommodating groove 21. The elastic member 4 is surrounded by the guide limit blocks 212. When the elastic member 4 shifts due to sound, it is pressed against the guide limit blocks 212 and returned to the center position under the guidance of the guide limit blocks 212, thereby improving the accuracy of the action on the sounding member 3 and facilitating the coordination between the various components.

[0040] Preferably, as shown in FIG3 , the elastic member 4 is a spring. The spring is inexpensive, has good fatigue resistance, high stability, and long service life, which is beneficial to improving the practicality of the sounding structure, reducing the production cost of the sounding structure, and ensuring the service life of the sounding mechanism.

[0041] Preferably, the sounding element 3 may also be provided with other key switch structures, such as a magnet, to achieve corresponding conduction between the magnet and the Hall element, thereby improving the space utilization within the key switch. Other key switch structures, such as the reset mechanism between the guide core 2 and the base 1 (using a paralyzed high abdominal girth or a gimbal for reset, etc.), can be configured according to actual circumstances and are not specifically limited in this embodiment.

[0042] The specific operation process of this sound structure:

[0043] As shown in Figure 5, in the unpressed state, the limiting column 32 of the sounding member 3 presses against the outer side of the insertion groove 111 (that is, presses against the base 1), and the movable sounding column 31 is located at the lowest end of the sounding limiting groove 211 under the elastic force of the elastic member 4.

[0044] As shown in Figures 6 to 8, when the guide core 2 is pressed, the guide core 2 is forced to move downward toward the lower part of the movable groove 11, and since the sounding part 3 is pressed against the outer side of the inserted groove 111, the base 1 gives the sounding part 3 an upward pressing force, thereby compressing the elastic part 4 and deforming it to give the sounding part 3 a downward force, and the movable sounding column 31 on the sounding part 3 drives the sounding part 3 as a whole to move laterally under the inclined guiding action of the sounding limit groove 211. The movable sounding column 31 gradually moves laterally from the lowest end of the sounding limit groove 211 to the middle and upper part of the sounding limit groove 211 in the sounding limit groove 211, and the limiting column 32 of the sounding part 3 gradually moves from the outside of the inserted groove 111 to a position close to the inserted groove 111, and the degree to which the elastic part 4 is compressed and deformed gradually increases. The guide core 2 continues to press downward, and after the limiting column 32 of the sounding part 3 moves to the top of the insertion groove 111 and is free from the pressing action of the base 1, the greater elastic deformation of the elastic part 4 gives the sounding part 3 an instantaneous rapid downward force, and the sounding part 3 quickly moves from the middle of the sounding limiting groove 211 to the lower middle part of the sounding limiting groove 211, and in the process hits the lower middle part of the sounding limiting groove 211 to make a sound.

[0045] Release the guide core 2, the guide core 2 moves upward, the movable sounding column 31 of the sounding member 3 is reset to the lowest end of the sound limiting groove 211 and is driven by the guide core 2 to move upward as a whole, the sounding member 3 is reset to the middle of the upper accommodating groove 21, and the limiting column 32 of the sounding member 3 is reset to press against the outer side of the insertion groove 111, waiting for the next use.

[0046] It should be noted that the sound-generating structure for a push-button switch disclosed in this invention is an improvement to a specific structure, and the specific control method is not the innovation of this invention. The springs, magnets, and other components involved in this invention can be commonly used standard parts or components known to those skilled in the art. Their structures, principles, and control methods are all known to those skilled in the art through technical manuals or routine experimental methods.

[0047] The above description is merely a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, other structures obtained by adopting the same or similar technical features as the above-mentioned embodiments of the present invention are within the scope of protection of the present invention.

Claims

1. A sound-generating structure for a key switch, comprising a base and a guide core disposed on the base, characterized in that: The lower part of the guide core is formed with an upper accommodating groove extending inward and upward, and also includes a sound-emitting member arranged between the upper accommodating groove and the base, and an elastic member arranged between the sound-emitting member and the top of the upper accommodating groove. A sound-emitting limit groove is formed on both sides of the upper accommodating groove, and the sound-emitting member acts on the sound-emitting limit groove.

2. The sound-generating structure for a key switch according to claim 1, characterized in that: A movable sounding column is formed on both sides of the sounding piece, extending toward the sounding limiting groove and acting on the sounding limiting groove.

3. The sound-generating structure for a key switch according to claim 1, characterized in that: The sound limiting groove is arranged to extend obliquely from the rear lower portion toward the front upper portion.

4. The sound-generating structure for a key switch according to claim 1, characterized in that: A movable groove matching the guide core is formed in the middle of the base.

5. The sound-generating structure for a key switch according to claim 4, characterized in that: At least one limiting column extending downward is formed on the lower end surface of the sound-emitting component, and at least one inserting groove matching the limiting column is formed on the movable groove.

6. The sound-generating structure for a key switch according to claim 5, characterized in that: The number of the limiting columns and the inserting slots are both 2 groups.

7. The sound-generating structure for a key switch according to claim 1, characterized in that: A fixed guide column which is in a cross-cone shape and extends upward is formed on the upper end of the sound-generating component, and the lower end of the elastic component is sleeved on the fixed guide column.

8. The sound-generating structure for a key switch according to claim 1, characterized in that: A plurality of guide limit blocks are sequentially arranged on the inner wall of the upper end of the upper accommodating groove and extend obliquely upward from the bottom.

9. The sound-generating structure for a key switch according to claim 1, characterized in that: The elastic member is a spring.

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