TWM638200U - Push-type audible and silent switching mechanism for key switch - Google Patents

Abstract

The new model discloses a push-type soundless switching mechanism for a key switch, which comprises a base and a pressing piece arranged on the base, a pressing bump is arranged on the pressing piece, and a guide guide is formed on the base. An inclined surface, an elastic piece is provided on the base, and one end of the elastic piece is located above the guiding slope, and a push switch assembly is provided on the base, and the push switch assembly is used to drive one end of the elastic piece to Switch between pressing under the projection and away from the bottom of the pressing projection; the push switch assembly includes a push lock structure, and a sound and silent switch connected to the push lock structure, and one end of the elastic member extends to the sound and silent switch above; through the push locking structure, the push switching assembly is controlled to adjust the position of the one end of the elastic member, so that the one end of the elastic member switches between being under the pressing bump and away from the pressing bump, so that Realize the switching between pressing with sound and pressing without sound, to meet the different needs of users, improve the convenience of use, and enhance the user experience.

Description

A push-type audio and silent switching mechanism for a key switch

The present invention relates to the field of key switches, in particular to a push-type soundless switching mechanism for key switches.

At present, the key switches on the market are classified into sound and silent key switches, which can be divided into sound key switches and silent key switches. Sound key switches can allow users to obtain a better feel and sound, but the sound they emit will make the user feel uncomfortable in certain situations. The occasion is relatively noisy; the silent key switch does not emit sound, which can meet the needs of some users for silent pressing, but the silent key switch has a poor feel. However, the existing key switch can only realize the function of sound or silence, and cannot freely switch between sound and silence according to the needs of the user, which brings inconvenience to the use of the user, cannot meet the different needs of the user at the same time, and the user experience is not good.

In view of the above deficiencies, the purpose of this new model is to provide a push-type audible and silent switching mechanism for key switches, which can realize the switching between the two functions of pressing with sound and pressing without sound, so as to meet the different needs of users, improve the convenience of use, and enhance the user experience.

The technical solution adopted by this new model to achieve the above purpose is: a push-type soundless and soundless switching mechanism for a key switch, including a The base and a pressing piece arranged on the base and moving up and down, a pressing protrusion is arranged on the pressing piece, a guiding slope is formed on the base, an elastic piece is arranged on the base, the One end of the elastic member is located above the guide slope, and a push switch assembly is arranged on the base, and the push switch assembly is used to drive the end of the elastic member between the position below the pressing protrusion and the position away from the pressing protrusion. Switching; the push switch assembly includes a push lock structure and a soundless switch piece connected to the push lock structure, wherein one end of the elastic piece extends to the soundless switch piece.

As a further improvement of the present model, a slot is formed on the voice/silent switching member, a switching slope is formed on the slot, and one end of the elastic member extends into the slot.

As a further improvement of the present invention, the switching slope slopes downward from the side of the pressing projection toward the side of the pressing locking structure.

As a further improvement of the present model, the push locking structure includes a push seat arranged on the base, a first return spring arranged between the push seat and the base, and an end limited to the The other end of the base is movable to a lock hook on the push seat, wherein the sound and silent switch is arranged on the side of the push seat.

As a further improvement of the present model, a left chute, a right chute, and a locking groove formed between the left chute and the right chute are respectively formed on the side of the press seat. A left guide slope and a first longitudinal guide groove are sequentially formed in the chute from bottom to top, a second longitudinal guide groove and a right guide slope are sequentially formed in the right chute from top to bottom, and the locking groove is located in the first A longitudinal channel and the second The lower part of the longitudinal guide groove, and the depths of the first longitudinal guide groove, the locking groove and the second longitudinal guide groove are sequentially deepened.

As a further improvement of the present model, a longitudinal movable groove for the push seat to be embedded and move up and down is formed on the base, a positioning column is formed in the longitudinal movable groove, and a positioning column is formed upward at the bottom of the push seat. There is a limiting groove, the upper end of the first return spring is embedded in the limiting groove, and the lower end is sleeved on the periphery of the positioning column; the lower end of the locking hook is clamped at the bottom of the longitudinal movable groove.

As a further improvement of the present model, the elastic member is a torsion spring, and the torsion spring includes a spring body, an elastic arm connected to one end of the spring body and a connecting portion connected to the other end of the spring body, wherein the The spring body is arranged in the base, the end of the elastic arm extends into the slot, and the connecting part is inserted into the base.

As a further improvement of the present invention, an embedding groove for embedding the spring body is formed on the base, and an opening is provided on a side of the embedding groove for the elastic arm to pass through.

As a further improvement of the present invention, a limit block is provided on the base.

As a further improvement of the present invention, a second return spring is provided between the bottom of the pressing member and the base.

The beneficial effect of the new model is: by acting on one end of the elastic member by the sound and silent switching member in the push switch assembly, the one end of the elastic member is switched between being under the pressing protrusion and away from the pressing protrusion, And the audible and silent switching part is locked and released by the push locking structure in the push switch assembly Locking, so as to realize the switch between the two functions of pressing with sound and pressing without sound, which meets the different needs of users, improves the convenience of use, and improves the user experience.

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

1: Base

11: Guide slope

12: Vertical movable slot

13: Positioning column

14: limit slot

15: Embedding groove

16: opening

17: limit block

2: Press piece

21: Press bump

211: Inclined surface

3: Elastic parts

3': torsion spring

31: spring body

32: Bouncing arm

33: Connecting part

4: Press to switch components

41: Press the lock structure

411: push seat

412: the first return spring

413: lock hook

4111: left chute

4112: Right chute

4113: lock slot

41111: left guide bevel

41112: The first longitudinal guide groove

41121: Second longitudinal guide groove

41122: Right guide bevel

42: Audio and silent switch

421: slotting

422: switch bevel

5: Second return spring

6: Top cover

Fig. 1 is the structural representation of the present invention.

Fig. 2 is a new exploded view of the present invention.

FIG. 3 is a schematic diagram of a part of the push switch assembly of the present invention.

FIG. 4 is a structural schematic diagram of another part of the push switch assembly of the present invention.

Fig. 5 is a schematic diagram of the structure of the base of the present invention.

Fig. 6 is a structural schematic diagram of the combination of the pressing member, the elastic member and the push switch assembly in the silent state of the present invention.

Fig. 7 is a structural schematic diagram of the combination of the push seat and the lock hook in the silent state of the present invention.

Fig. 8 is a structural schematic diagram of the combination of the pressing member, the elastic member and the push switch assembly in the sound state of the present invention.

Fig. 9 is a structural schematic diagram of the combination of the push seat and the lock hook in the sound state of the present invention.

Fig. 10 is a schematic diagram of the external structure of the key switch in the silent state of the present invention.

Fig. 11 is a schematic diagram of the external structure of the key switch in the sound state of the present invention.

In order to further explain the technical means and effects of the new model to achieve the intended purpose, the specific implementation of the new model will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

Please refer to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of press-type soundless switching mechanism for key switch, which includes a base 1 and a pressing member 2 which is arranged on the base 1 and moves up and down. A pressing protrusion 21 is provided on the member 2, a guiding slope 11 is formed on the base 1, an elastic member 3 is arranged on the base 1, and one end of the elastic member 3 is located above the guiding slope 11. A push switch assembly 4 is arranged on the base 1, and the push switch assembly 4 is used to drive one end of the elastic member 3 to switch between below the pressing bump 21 and away from the push bump 21; The switching assembly 4 includes a push lock structure 41 and a soundless and silent switch 42 connected to the push lock structure 41, wherein one end of the elastic member 3 extends to the sound and silent switch 42; by pressing the lock structure, To control the push switch assembly 4 to adjust the position of one end of the elastic member 3, so that the one end of the elastic member 3 is switched between below the pressing protrusion 21 and away from the pressing protrusion 21, so as to realize pressing sound and Press to toggle silently.

In this embodiment, the soundless and soundless switching member 42 acts on one end of the elastic member 3, so that the one end of the elastic member 3 switches between being below the pressing protrusion 21 and away from the pressing protrusion 21, and the pressing locking structure 41 locks and unlocks the soundless and soundless switching member 42, so as to realize the switching of the two functions of pressing with sound and pressing without sound, so as to meet different needs of users.

Specifically, when the push switch assembly 4 as a whole is in an unpressed initial state, the audio/silent switcher 42 is not locked by the push lock structure 41, at this time, the audio/silent switcher 42 acts on one end of the elastic member 3, so that the elastic member 3 moves away from the pressing projection 21. Move, then one end of the elastic member 3 leaves the bottom of the pressing protrusion 21, that is, the elastic member 3 undergoes elastic deformation. There will be a sound, therefore, the function of pressing silently is realized. When applied to a key switch, the key switch is silent.

And when the push switching assembly 4 is pressed down as a whole and is in the pressed state, the soundless and silent switching member 42 moves down and is locked by the push locking structure 41. The active force of the elastic member 3 is reduced or disappeared, and one end of the elastic member 3 is reset under the action of its own elastic restoring force, and moves to the bottom of the pressing protrusion 21, and finally is below the pressing protrusion 21. At this time, the pressing member 2 is pressed downward. , the pressing member 2 acts on the elastic member 3 to emit sound, thus realizing the function of pressing and sounding. When applied to a key switch, the key switch is in a sound state.

The specific sounding principle is: in the process of pressing down the pressing member 2, the pressing protrusion 21 on the pressing member 2 moves downward, and the pressing protrusion 21 acts on one end of the elastic member 3 downward, and the elastic One end of the member 3 moves down, and when one end of the elastic member 3 moves down to touch the guide slope 11 on the base 1, it slides outward along the guide slope 11 until the one end of the elastic member 3 breaks away from the pressing protrusion. Block 21, at this time, the hand will feel that the pressing force is significantly reduced, thereby producing a hand feeling; at the same time, the pressing bump 21 rebounds and resets, and knocks on the base 1, the pressing member 2 and/or the pressing switch assembly 4 produce sound.

For the specific structure of this soundless and soundless switching part 42, as shown in Figure 4 As shown, in this embodiment, a slot 421 is formed on the said soundless switching member 42, and a switching slope 422 is formed on the slot 421, and one end of the elastic member 3 extends into the slot 421; at the same time, the The switching slope 422 is inclined downward from the side of the pressing protrusion 21 to the side of the pressing locking structure 41; when the pressing switching assembly 4 is in an unpressed initial state, as shown in FIG. One end is in the slot 421; when the push switching assembly 4 is pressed down as a whole and is in the pressed state, one end of the elastic member 3 resets along the switching slope 422 until it moves below the pressing bump 21, as shown in Figure 8 As shown; when the push switch assembly 4 returns to the unpressed initial state, the audible and silent switching member 42 acts on one end of the elastic member 3 by the switching slope 422, so that one end of the elastic member 3 moves along the switching slope 422 to the slot 421. The special structural design of the soundless and soundless switching member 42 can precisely act on the elastic member 3, so as to realize the switching between pressing with sound and pressing without sound.

In this embodiment, as shown in FIG. 3 and FIG. 6 , the push locking structure 41 includes a push seat 411 disposed on the base 1 , and a push seat 411 disposed between the push seat 411 and the base 1 . A first return spring 412 between them, and a lock hook 413 whose one end is limited on the base 1 and the other end is movable on the pressing seat 411, wherein the sound and silent switch 42 is arranged on the pressing seat 411 On the side; when the push seat 411 is pressed down, the lock hook 413 acts on the push seat 411, hooks the push seat 411, and then the push seat 411 can realize the audio/silent switching part 42 is locked downward; and when the locking hook 413 releases the force on the push seat 411, the first return spring 412 provides elastic restoring force for the upward movement and reset of the push seat 411.

For the specific structure of the push seat 411, as shown in Figure 3, in the A left chute 4111, a right chute 4112, and a locking groove 4113 formed between the left chute 4111 and the right chute 4112 are respectively formed on the side of the push seat 411, inside the left chute 4111 A left guide slope 41111 and a first longitudinal guide groove 41112 are sequentially formed from bottom to top, and a second longitudinal guide groove 41121 and a right guide slope 41122 are sequentially formed in the right slide groove 4112 from top to bottom. The locking groove 4113 It is located at the lower part of the first longitudinal guide groove 41112 and the second longitudinal guide groove 41121, and the depths of the first longitudinal guide groove 41112, the locking groove 4113 and the second longitudinal guide groove 41121 are sequentially deepened; when the button is pressed down When moving the seat 411, the pressing seat 411 acts on the locking hook 413 downwards, forcing the upper end of the locking hook 413 to slide in the left slide groove 4111, specifically sliding into the first longitudinal guide by the left guiding slope 41111. In the groove 41112, during this process, the first return spring 412 is compressed; then, the pressing on the push seat 411 is released, and under the elastic restoring force of the first return spring 412, the press seat 411 Move a stroke so that the locking hook 413 slides into the locking groove 4113 from the first longitudinal guide groove 41112, as shown in FIG. locked, thereby releasing the active force on one end of the elastic member 3, so that the elastic member 3 resets and moves below the pressing projection 21; when the pressing seat 411 is pressed down again, the pressing seat 411 acts on the lock hook 413, forcing the locking hook 413 to slide into the right sliding groove 4112 from the locking groove 4113; then, release the pressing on the push seat 411, and under the elastic restoring force of the first return spring 412, the The push seat 411 moves up, and finally, the lock hook 413 slides down from the second longitudinal guide groove 41121, and slides out from the right guide slope 41122, and finally the lock hook 413 releases the locking of the push seat 411, as shown in the figure 7, correspondingly, the voice/silence switching member 42 moves up, acting on the One end of the elastic member 3 is pushed outward, away from the bottom of the pressing protrusion 21 .

The special structural design of the left chute 4111, the right chute 4112 and the locking groove 4113 on the push seat 411 cooperates with the lock hook 413 to realize the locking of the push seat 411 and the audio/silent switcher 42 With the release locking function, the whole structure moves accurately and quickly, which is beneficial to the precise control of the elastic member 3, so that one end of the elastic member 3 can be accurately switched between being under the pressing protrusion 21 and away from the pressing protrusion 21, thereby realizing Press to switch between sound and silent functions.

For the installation of the push locking structure 41, as shown in Figure 5, the present embodiment forms a longitudinal movable groove 12 for the push seat 411 to be embedded and move up and down on the base 1, in the longitudinal movable groove 12 is formed with a positioning column 13, and a limiting groove 14 is formed upward at the bottom of the pressing seat 411. The upper end of the first return spring 412 is embedded in the limiting groove 14, and the lower end is sleeved on the periphery of the positioning column 13. The first return spring 412 can be elastically deformed accurately, providing elastic recovery force for the push seat 411; the lower end of the lock hook 413 is clamped at the bottom of the longitudinal movable groove 12, and the lock hook 413 will not be deformed. To move, just when the push seat 411 moves up and down, the upper end of the locking hook 413 can slide in the left chute 4111, the right chute 4112 and the locking groove 4113 of the push seat 411, so as to realize the locking of the push seat 411. 411 to lock and release the locking action, so as to realize the function of locking and releasing the locking of the audio and silent switch 42 .

In this embodiment, as shown in FIG. 1 and FIG. 2, the elastic member 3 is a torsion spring 3', and the torsion spring 3' includes a spring body 31 and an elastic arm 32 connected to one end of the spring body 31. , and a connecting portion 33 connected to the other end of the spring body 31, wherein the spring body 31 Set in the base 1 , the end of the elastic arm 32 extends into the slot 421 , and the connecting portion 33 is inserted into the base 1 .

As for the installation limiter method of the torsion spring 3', as shown in Figure 1 and Figure 5, an insertion groove 15 for the spring body 31 to be embedded is formed on the base 1, and on the side of the insertion groove 15 An opening 16 for the elastic arm 32 to pass through is defined on the side.

When the pressing member 2 is in the unpressed state, in order to limit the spring arm 32, as shown in Figure 1 and Figure 5, this embodiment is provided with a limit block 17 on the base 1. When the pressing member 2 is used, the spring arm 32 is limited by the stop block 17 to prevent the spring arm 32 from bouncing in a wide range; at the same time, the spring arm 32 of the torsion spring 3' can be more Accurately strike the base 1, the pressing member 2 and/or the push switch assembly 4 to make a sound; at the same time, when the elastic arm 32 of the torsion spring 3' rebounds and resets, it will also strike the limit block 17 voices.

In order to facilitate the pressing of the pressing member 2 , a second return spring 5 is arranged between the bottom of the pressing member 2 and the base 1 , and the second returning spring 5 provides elastic restoring force for the pressing member 2 .

In this embodiment, the pressing member 2 is a guide core. As shown in FIG. 1 , the pressing protrusion 21 is disposed on the side of the guide core, and the end of the pressing protrusion 21 has an inclined surface 211 .

When the key switch is in the sound state, in the process of pressing down the guide core, the pressing protrusion 21 on the guide core moves downward, and the pressing protrusion 21 presses down the elastic arm 32 of the torsion spring 3' , the spring arm 32 moves down, and when the spring arm 32 moves down to touch the guide slope 11 on the base 1, it slides outward along the guide slope 11 until When the elastic arm 32 breaks away from the pressing bump 21, the hand will feel that the pressing force is significantly reduced, thereby producing a hand feeling; at the same time, the pressing bump 21 rebounds and resets, and hits the base 1 and the pressing member 2 And/or produce sound on this pressing switching component 4.

In this embodiment, the push-type soundless switching mechanism is applied to the key switch, as shown in Figure 10 and Figure 11, the upper cover 6 is added, and the existing conventional mechanical conduction mode or magnetic conduction mode of the dynamic and static plates is adopted inside the key switch. Realize on and off function.

The above are only preferred embodiments of the present invention, and are not intended to 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 all within the scope of the present invention. within the scope of protection.

1: Base

11: Guide slope

17: limit block

2: Press piece

21: Press bump

3: Elastic parts

3': torsion spring

4: Press to switch components

41: Press the lock structure

42: Audio and silent switch

Claims (10)

A push-type soundless switching mechanism for a key switch, comprising a base and a pressing piece arranged on the base and moving up and down, a pressing protrusion is arranged on the pressing piece, and a guide is formed on the base. The base is provided with an elastic member, and one end of the elastic member is located above the guide inclined surface, and a push switching assembly is arranged on the base, and the push switch assembly is used to drive one end of the elastic member to Switch between below the pressing projection and away from below the pressing projection; the push switch assembly includes a push lock structure and a soundless switch piece connected to the push lock structure, wherein one end of the elastic piece extends To the audio and silent switch. According to the button switch described in claim 1, a push-type soundless and soundless switching mechanism is formed, a slot is formed on the soundless and soundless switching part, a switching slope is formed on the groove, and one end of the elastic part extends to the opening. in the slot. According to claim 2, in the push-type voice/silent switching mechanism for a key switch, the switching slope slopes downward from the side of the pressing projection toward the side of the push-locking structure. According to the push-type soundless and silent switching mechanism for the key switch described in claim 1, the push lock structure includes a push seat arranged on the base, and a push seat arranged between the push seat and the base. A first return spring and a locking hook whose one end is limited on the base and the other end is movable on the pressing seat, wherein the sound and silent switch is arranged on the side of the pressing seat. As the key switch described in claim 4, a push-type soundless and silent switching mechanism is used, and a left chute, a right chute, and a chute formed on the left chute and the right chute are respectively formed on the side of the press seat. A locking slot between the slots, in the left chute A left guide slope and a first longitudinal guide groove are sequentially formed from bottom to top, and a second longitudinal guide groove and a right guide slope are sequentially formed in the right chute from top to bottom. The locking groove is located in the first longitudinal direction. The bottom of the guide groove and the second longitudinal guide groove, and the depths of the first longitudinal guide groove, the locking groove and the second longitudinal guide groove are sequentially deepened. As for the button switch described in claim 4, a push-type soundless and silent switching mechanism is formed on the base to allow the push seat to be embedded and move up and down. A longitudinal movable groove is formed in the longitudinal movable groove. column, and a limiting groove is formed upward at the bottom of the pressing seat, the upper end of the first return spring is embedded in the limiting groove, and the lower end is sleeved on the periphery of the positioning column; the lower end of the locking hook is clamped on the longitudinally movable bottom of the tank. As the button switch described in item 2 or item 3 of the request, the push type soundless switching mechanism, the elastic member is a torsion spring, and the torsion spring includes a spring body, an elastic arm connected to one end of the spring body and a connection A connecting portion at the other end of the spring body, wherein the spring body is arranged in the base, the end of the elastic arm extends into the slot, and the connecting portion is inserted into the base. As described in claim 7, the push-type soundless switching mechanism for the key switch is formed on the base with an embedding groove for the spring body to be embedded, and on the side of the embedding groove is provided a spring arm An opening to pass through. According to any one of claims 1 to 6, the push-type soundless and soundless switching mechanism for a key switch is provided with a limit block on the base. According to any one of claims 1 to 6, a push-type soundless and soundless switching mechanism for a key switch is provided with a second return spring between the bottom of the pressing member and the base.

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