CN217061855U

CN217061855U - Be applied to amortization of keyboard and switch on module

Info

Publication number: CN217061855U
Application number: CN202220178219.0U
Authority: CN
Inventors: 林立军
Original assignee: Size Dongguan Technology Co ltd
Current assignee: Size Dongguan Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-26
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a be applied to amortization of keyboard and switch on module, including a PCB board, set up in a last amortization piece of PCB board upper surface, set up in a fixed plate of last amortization piece upper surface and set up on the fixed plate and the electricity connect in a key subassembly of PCB board, wherein, be formed with a plurality of contact fixture blocks at this time on the amortization piece periphery. The utility model provides a be applied to amortization of keyboard and switch on the module, can obviously eliminate the cavity sound, listen to not have the sound of booming and noise, not harsh ear, remaining less sound is more solid, realizes removing most sound that will strike and send to reach the mesh of amortization, give the fine experience of user.

Description

Be applied to amortization of keyboard and switch on module

Technical Field

The utility model relates to a keyboard field especially relates to a be applied to amortization of keyboard and switch on module.

Background

With the increasing popularity of computers, keyboards have been widely used as the most common and leading input devices. When using current keyboard, strike the key cap on the keyboard, can send very loud sound, this kind of sound is owing to there is the cavity sound, sounds to have obvious rumble and noise, even harsh, gives the user very not good experience.

Moreover, each part in the existing keyboard needs to be connected and fixed by a plurality of screws, and the installation and the disassembly are troublesome.

SUMMERY OF THE UTILITY MODEL

To the aforesaid not enoughly, an object of the utility model is to provide a be applied to amortization of keyboard and switch on the module, can obviously eliminate the cavity sound, hear not bombing sound and noise, it is not harsh, remaining less sound is more solid, realizes knocking the most sound elimination who sends to reach the purpose of amortization, give the fine experience of user.

The utility model discloses a reach the technical scheme that above-mentioned purpose adopted and be:

the utility model provides a be applied to amortization of keyboard and switch on module, its characterized in that includes a PCB board, sets up in a last amortization piece of PCB board upper surface, sets up a fixed plate of last amortization piece upper surface and set up on the fixed plate and connect in a key-press component of PCB board in the electricity, wherein, is formed with a plurality of contact fixture blocks at this last amortization piece periphery.

As a further improvement, the contact fixture block is located the PCB board and the fixed plate outside, and this contact fixture block upper end is higher than the fixed plate, and the lower extreme is less than the PCB board.

As a further improvement of the utility model, a silencing sheet is arranged below the PCB.

As a further improvement of the utility model, a plurality of supporting pieces which are abutted against the lower surface of the PCB are formed on the upper surface of the lower silencing piece.

As a further improvement of the present invention, the supporting member is at least one of a convex point and a rib.

As a further improvement of the utility model, a plurality of first clamping grooves and/or a plurality of first clamping blocks are/is arranged on the lower silencing sheet.

As a further improvement, one side of the several contact clamping block close to the fixing plate is respectively formed with a side clamping groove the edge of the fixing plate is formed with a several side clamping block clamped into the side clamping groove.

As a further improvement of the present invention, at least one first engaging column is formed on the upper surface of the upper silencing plate, and at least one first engaging hole for the first engaging column to be engaged is formed on the fixing plate; at least one second clamping column is formed on the lower surface of the upper silencing sheet, and at least one second clamping hole for the second clamping column to be clamped in is formed on the PCB.

As a further improvement of the utility model, the first clamping column and the second clamping column are both mushroom-head-shaped.

As a further improvement of the utility model, the upper surface of the lower silencing plate is provided with at least one third clamping column, and at least one third clamping hole for the third clamping column to be clamped into is formed on the PCB, the upper silencing plate and the fixed plate respectively.

As a further improvement of the utility model, the third clamping column is in a mushroom head shape.

As a further improvement of the utility model, at least one glue reducing groove is formed on the fixing plate.

As a further improvement of the utility model, the upper silencing plate is made of any one of silica gel, rubber, EVA foam and sponge.

As a further improvement of the utility model, the lower silencing plate is made of any one of silica gel, rubber, EVA foam and sponge.

As a further improvement, the fixing plate is made of any one of aluminum, iron, plastic and glass.

The utility model has the advantages that:

(1) the upper silencing sheet is additionally arranged in the silencing conduction module and is used for being in contact with the upper cover and the lower cover of the keyboard, so that the sound generated by knocking cannot be transmitted to the upper cover and the lower cover under the silencing effect of the upper silencing sheet, namely the sound generated by knocking cannot be transmitted to the outer parts of the upper cover and the lower cover; meanwhile, the filling of the upper silencing piece obviously eliminates the cavity sound, no rumble sound and noise are heard, ears are not irritated, and the rest smaller sound is firmer; therefore, most of the sound generated by knocking is eliminated, so that the purpose of noise elimination is achieved, and good experience is brought to users.

(2) Through add down the amortization piece in PCB board below, add down the amortization piece promptly between the lower cover of keyboard and PCB board, fill the clearance between the two by lower amortization piece promptly to reduce the cavity sound between lower cover and the PCB board when knocking the operation, further improve the noise cancelling effect, give better experience of user.

(3) Because the upper silencing sheet and the lower silencing sheet both have elastic characteristics, the hand feeling during pressing operation can be improved, the fingers of a person cannot be damaged, and the human body is good in ergonomics.

(4) The components of the silencing conduction module are fixed in a screw-free mode, so that the module is stable in installation and positioning, and convenient and quick to install and disassemble.

The above is an overview of the technical solution of the present invention, and the present invention is further explained with reference to the accompanying drawings and the detailed description below.

Drawings

Fig. 1 is a schematic front view of a middle noise conducting module according to an embodiment;

FIG. 2 is a schematic diagram of a back side structure of the middle speaker conducting module according to the first embodiment;

FIG. 3 is a cross-sectional view of the first embodiment;

FIG. 4 is another cross-sectional view of the first embodiment;

FIG. 5 is a schematic structural diagram of an upper noise damping sheet according to an embodiment;

FIG. 6 is an exploded view of the speaker pass-through module according to the first embodiment;

FIG. 7 is a schematic front view of the middle speaker conducting module according to the second embodiment;

FIG. 8 is an exploded view of the mute conduction module in the second embodiment;

fig. 9 is an exploded view of the keyboard of the present invention;

fig. 10 is a schematic view of an external structure of the keyboard of the present invention;

FIG. 11 is a cross-sectional view of the keyboard of the present invention;

fig. 12 is a schematic structural view of the combination of the middle and lower sound-absorbing sheets and the lower cover of the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purposes, the following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and preferred embodiments.

The first embodiment is as follows:

referring to fig. 1 to 6, the present embodiment provides a silencing conducting module 3 for a keyboard, including a PCB 31, an upper silencing plate 32 disposed on an upper surface of the PCB 31, a fixing plate 33 disposed on an upper surface of the upper silencing plate 32, and a key assembly 34 disposed on the fixing plate 33 and electrically connected to the PCB 31, specifically, the key assembly 34 includes a plurality of keys; in the present embodiment, a plurality of contact latch 321 are formed on the periphery of the upper silencing plate 32, and the contact latch 321 is located outside the PCB 31 and the fixing plate 33.

The silencing conduction module 3 of the present embodiment is applied to the keyboard, specifically, as shown in fig. 9 to fig. 11, the silencing conduction module 3 is disposed between the upper cover 2 and the lower cover 1 of the keyboard, the upper ends of the plurality of contact blocks 321 on the periphery of the upper silencing plate 32 contact the upper cover 2, and the lower ends contact the lower cover 1.

Meanwhile, the keyboard further comprises a key cap assembly 4 which is arranged on the key assembly 34 and exposed out of the upper surface of the upper cover 2, specifically, the key cap assembly 4 is composed of a plurality of key caps, and the key caps correspond to the keys one by one.

In this embodiment, the upper end of the contact latch 321 around the upper silencing plate 32 is higher than the fixing plate 33, and the lower end is lower than the PCB 31, so that the upper end of the contact latch 321 contacts the upper cover 2, and the lower end contacts the lower cover 1.

When the keyboard is used, any one keycap in the keycap assembly 4 is knocked to act on the corresponding key, and the key is electrically connected with the PCB 31, so that the pressing and conducting function is realized.

By additionally arranging the upper silencing sheet 32 in the silencing conduction module 3 and respectively contacting the contact fixture blocks 321 on the periphery of the upper silencing sheet 32 with the upper cover 2 and the lower cover 1, the sound generated by knocking cannot be transmitted to the upper cover 2 and the lower cover 1 under the silencing action of the upper silencing sheet 32, namely the sound generated by knocking cannot be transmitted to the outer parts of the upper cover 2 and the lower cover 1; meanwhile, the filling of the upper silencing sheet 32 obviously eliminates the cavity sound, no rumble sound and noise are heard, ears are not irritated, and the rest smaller sound is firmer; therefore, most of the sound generated by knocking is eliminated, so that the purpose of noise elimination is achieved, and good experience is brought to users.

In this embodiment, it is preferable that the number of the contact latch 321 is 12, as shown in fig. 5, that is, there are 12 contact points between the upper sound absorbing plate 32 and the upper cover 2 and between the upper sound absorbing plate 32 and the lower cover 1. Through the setting of the peripheral several contact fixture blocks 321 of upper silencing piece 32, realize that upper silencing piece 32 better contacts in upper cover 2 and lower cover 1, play the effect that blocks sound for the sound of beating the sound of sending can't transmit to upper cover 2 and lower cover 1, realize promptly that the sound of beating the sound of sending can't transmit to upper cover 2 and lower cover 1 outside, reach the purpose of amortization.

As for the connection between the contact latch 321 and the lower cover 1, as shown in fig. 11, in the present embodiment, a plurality of lower detents 11 for the lower portion of the contact latch 321 to be engaged are formed on the lower cover 1; as for the connection between the contact latch 321 and the upper cover 2, as shown in fig. 11, in the present embodiment, a plurality of upper detents 21 for the upper portion of the contact latch 321 to be engaged are formed on the upper cover 2. The upper end and the lower end of the contact clamping block 321 are respectively clamped in the upper clamping position 21 and the lower clamping position 11, so that the upper silencing sheet 32 is stably clamped with the upper cover 2 and the lower cover 1, and the silencing effect is improved.

In order to further reduce the cavity sound, as shown in fig. 7 and 8, in the present embodiment, a lower sound-deadening sheet 5 is disposed below the PCB 31, and after the lower sound-deadening sheet 5 is mounted in the keyboard, the lower sound-deadening sheet 5 is disposed on the lower cover 1, and the lower sound-deadening sheet 5 is filled in the gap between the lower cover 1 and the PCB 31, so that the cavity sound between the lower cover 1 and the PCB 31 during the knocking operation is reduced, and the sound-deadening effect is further improved.

In the present embodiment, as shown in fig. 12, a plurality of supporting members 51 abutting against the lower surface of the PCB 31 are formed on the upper surface of the lower sound-deadening sheet 5. Specifically, the supporting member 51 is at least one of the convex point 511 and the rib 512. The bumps 511 and/or ribs 512 as the support 51 are used for supporting the PCB 31 and further filling the gap below the PCB 31, so that the gap between the lower sound-absorbing sheet 5 and the PCB 31 is smaller, thereby further reducing the cavity sound.

As for the combination manner of the lower cover 1 and the lower sound-absorbing sheet 5, as shown in fig. 12, the lower cover 1 and the lower sound-absorbing sheet 5 are connected by a plurality of sets of first clamping structures 6, each first clamping structure 6 includes a first clamping groove 61 and a first clamping block 62 clamped in the first clamping groove 61, one of the first clamping groove 61 and the first clamping block 62 is formed on the lower cover 1, and the other one is formed on the lower sound-absorbing sheet 5. As shown in fig. 12, the first engaging groove 61 is formed on the inner edge of the lower cover 1, and the first engaging block 62 is formed on the outer edge of the lower sound-deadening sheet 5; of course, the first engaging groove 61 may also be formed on the outer edge of the lower sound-deadening sheet 5, and the first engaging block 62 may also be formed on the inner edge of the lower cover 1; the first engaging groove 61 and the first engaging block 62 may also be formed on the outer edge of the lower sound-deadening sheet 5, and the first engaging groove 61 and the first engaging block 62 may be formed at corresponding positions on the inner edge of the lower cover 1. Therefore, the lower sound-deadening sheet 5 can be stably positioned on the lower cover 1 by arranging the first clamping grooves 61 and/or the first clamping blocks 62 on the lower sound-deadening sheet 5.

In this embodiment, as shown in fig. 1, 3 and 5, a side engaging groove 3211 is formed on one side of each of the plurality of contact engaging blocks 321 close to the fixing plate 33, a plurality of side engaging blocks 331 engaged in the side engaging grooves 3211 are formed on an edge of the fixing plate 33, and the fixing plate 33 is engaged in the side engaging grooves 3211 through the side engaging blocks 331, so that the fixing plate 33 and the upper tuning strip 32 are stably combined, and the assembly is convenient and fast.

As for the combination manner of the PCB 31, the upper sound absorbing sheet 32 and the fixing plate 33 in the sound absorbing conducting module 3, in this embodiment, at least one first latching post 322 is formed on the upper surface of the upper sound absorbing sheet 32, and at least one first latching hole 332 into which the first latching post 322 is snapped is formed on the fixing plate 33, as shown in fig. 1, 4 and 6, the first latching post 322 is snapped into the first latching hole 332, so that the upper sound absorbing sheet 32 and the fixing plate 33 are combined together; at least one second locking column 323 is formed on the lower surface of the upper tuning plate 32, at least one second locking hole 311 into which the second locking column 323 is inserted is formed on the PCB 31, and as shown in fig. 2, 4 and 6, the second locking column 323 is inserted into the second locking hole 311, so that the upper tuning plate 32 and the PCB 31 are combined together. Specifically, in this embodiment, the first locking pillar 322 and the second locking pillar 311 are both mushroom-shaped. The first clamping column 322 on the upper surface of the upper sound absorbing sheet 32 and the second clamping column 323 on the lower surface are combined, so that the PCB 31, the upper sound absorbing sheet 32 and the fixing plate 33 are stably positioned together.

In this embodiment, as shown in fig. 1, at least one glue reducing groove 334 is formed on the fixing plate 33, and the arrangement of the glue reducing groove 334 can reduce the resonance between the keys in the key assembly 34.

In this embodiment, as shown in fig. 9 and 11, the upper cover 2 and the lower cover 1 are connected by a plurality of sets of second clamping structures 7, each second clamping structure 7 includes a second clamping groove 71 and a second clamping block 72 clamped in the second clamping groove 71, one of the second clamping groove 71 and the second clamping block 72 is formed on an inner edge of the upper cover 2, and the other one is formed on an outer edge of the lower cover 1. As shown in fig. 9 and 11, a second locking groove 71 is formed on the outer edge of the lower cover 1, and a second locking block 72 is formed on the inner edge of the upper cover 2; of course, the second locking groove 71 may also be formed on the inner side edge of the upper cover 2, and the second locking block 72 may also be formed on the outer side edge of the lower cover 1; or, the second locking groove 71 and the second locking block 72 may be formed on the outer edge of the lower cover 1 at the same time, and the second locking groove 71 and the second locking block 72 may be formed at the corresponding positions on the inner edge of the upper cover 2. From this, upper cover 2 and lower cover 1 adopt screwless mounting means, realize upper cover 2 and lower cover 1's firm combination, and simple to operate is swift.

In this embodiment, the upper silencing piece 32 is made of any one of silica gel, rubber, EVA foam and sponge, and of course, other materials with similar performance may be selected and used. Thus, the upper noise cancellation sheet 32 not only has a noise cancellation function, but also has an elastic characteristic, so that a pressing feeling can be increased.

In this embodiment, the lower sound-absorbing sheet 5 is made of any one of silica gel, rubber, EVA foam and sponge, and other materials with similar properties may be used. Thus, the lower sound-deadening sheet 5 has not only a sound-deadening function but also an elastic characteristic, so that the pressing feeling can be increased.

In this embodiment, the fixing plate 33 is made of any one of aluminum, iron, plastic, and glass fiber, but other materials with similar properties may also be used.

The second embodiment:

the main difference between the first embodiment and the second embodiment is that the combination manner of the PCB 31, the upper silencing sheet 32 and the fixing plate 33 in the silencing conducting module 3 is different, as shown in fig. 7 and 8, specifically: at least one third locking column 52 is formed on the upper surface of the lower sound-absorbing sheet 5, and at least one third locking hole (312, 324, 333) for locking the third locking column 52 is formed on the PCB board 31, the upper sound-absorbing sheet 32 and the fixing board 33 respectively. Specifically, the third clip 52 of the present embodiment has a mushroom shape. The third clamping column 52 is clamped into third clamping holes (312, 324 and 333) of the PCB 31, the upper sound-absorbing sheet 32 and the fixing plate 33, so that the lower sound-absorbing sheet 5, the PCB 31, the upper sound-absorbing sheet 32 and the fixing plate 33 are combined together. The lower sound-absorbing sheet 5, the PCB 31, the upper sound-absorbing sheet 32 and the fixing plate 33 are stably positioned together by the third clamping column 52 on the upper surface of the lower sound-absorbing sheet 5.

It should be noted here that the utility model discloses a amortization that is applied to keyboard switches on module improves concrete structure, and to concrete control mode, is not the innovation point of the utility model. For the PCB, the keys and other components involved in the present invention, they can be universal standard components or components known to those skilled in the art, and the structure, principle and control method thereof are known to those skilled in the art through technical manuals or through conventional experimental methods.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that other structures obtained by using the same or similar technical features as the above embodiments of the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a be applied to amortization of keyboard and switch on module, its characterized in that includes a PCB board, sets up in a last amortization piece of PCB board upper surface, sets up in a fixed plate of last amortization piece upper surface and set up on the fixed plate and connect in a button subassembly of PCB board in the electricity, wherein, is formed with a plurality of contact fixture blocks at this last amortization piece periphery.

2. The noise reduction conduction module as claimed in claim 1, wherein the contact latch is located at an outer side of the PCB and the fixing plate, and an upper end of the contact latch is higher than the fixing plate and a lower end thereof is lower than the PCB.

3. The silencing conduction module for keyboard of claim 1, wherein a lower silencing sheet is disposed under said PCB.

4. The noise-reduction conducting module for the keyboard of claim 3, wherein a plurality of supporting members abutting against the lower surface of the PCB are formed on the upper surface of the lower noise-reduction plate.

5. The noise-reduction conducting module for keyboard as claimed in claim 4, wherein said support member is at least one of a protruding point and a rib.

6. The noise-reduction conducting module applied to the keyboard as claimed in claim 3, wherein a plurality of first slots and/or a plurality of first blocks are disposed on the lower noise-reduction sheet.

7. The noise reduction conduction module according to any one of claims 1 to 6, wherein a side engaging groove is formed on each of the sides of the contact engaging blocks adjacent to the fixing plate, and a plurality of side engaging blocks are formed on the edge of the fixing plate and engaged into the side engaging grooves.

8. The silencing conducting module as claimed in claim 7, wherein at least one first locking pillar is formed on the upper surface of the upper silencing plate, and at least one first locking hole for the first locking pillar to be inserted into is formed on the fixing plate; at least one second clamping column is formed on the lower surface of the upper silencing sheet, and at least one second clamping hole for the second clamping column to be clamped in is formed on the PCB.

9. The silencing conducting module as recited in claim 8, wherein the first and second posts are mushroom-shaped.

10. The silencing conducting module as recited in any one of claims 3 to 6, wherein at least one third locking pin is formed on the upper surface of the lower silencing plate, and at least one third locking hole for the third locking pin to be locked in is formed on the PCB, the upper silencing plate and the fixing plate, respectively.

11. The noise reduction conduction module for the keyboard of claim 10, wherein the third locking column is mushroom-shaped.

12. The noise-reducing conduction module applied to the keyboard of claim 1, wherein at least one glue-reducing groove is formed on the fixing plate.

13. The noise reduction conduction module applied to the keyboard according to claim 1, wherein the upper noise reduction sheet is made of any one of silica gel, rubber, EVA foam and sponge.

14. The noise reduction conduction module applied to the keyboard according to claim 3, wherein the lower noise reduction sheet is made of any one of silica gel, rubber, EVA foam and sponge.

15. The noise reduction conduction module for the keyboard of claim 1, wherein the fixing plate is made of any one of aluminum, iron, plastic and glass fiber.