CN209561240U - A kind of vocal structure for key switch - Google Patents

Abstract

The utility model discloses a kind of vocal structures for key switch, including a pedestal and the lid being set to above pedestal, the pedestal combines to form an accommodating cavity with lid, it further include the sounding elastomer being set in accommodating cavity, deformation occurs and hits pedestal, lid and/or accommodating cavity internal structure and makes a sound by lid drive for the sounding elastomer.Vocal structure provided by the utility model for key switch improves pressing feel, promotes user experience, it can be achieved that pressing sounding effect, moreover, can weaken the direct impact force hit to key switch internal structure, protection internal structure is without impaired.

Description

A kind of vocal structure for key switch

Technical field

The utility model relates to a kind of key switch more particularly to a kind of vocal structures for key switch.

Background technique

Many operations needs of electronic equipment use key switch as input medium, and the quality of key switch determines The experience of input equipment, this just needs key switch to have good feel and phonoreception.

Therefore, key switch on the market increases percussion vocal structure inside it, and these percussion vocal structures are equal It is made of hard material, in its key tap switch internal structure sounding, due to the harder problem of material, easily occurs internal Structure is tapped the impaired phenomenon in face, and hard material has a huge impact the pressing feel of key switch, and feel is poor, Influence user experience.

Utility model content

It in view of the above deficiencies, can be real the purpose of this utility model is to provide a kind of vocal structure for key switch Sounding effect is now pressed, pressing feel is improved, promotes user experience, moreover, can weaken to the shock of key switch internal structure Direct impact force, protection internal structure is without impaired.

Used technical solution is the utility model in order to achieve the above objectives:

A kind of vocal structure for key switch, including a pedestal and the lid being set to above pedestal, the pedestal It combines to form an accommodating cavity with lid, which is characterized in that further include the sounding elastomer being set in accommodating cavity, the sounding Deformation occurs and hits pedestal, lid and/or accommodating cavity internal structure and makes a sound by lid drive for elastomer.

Sounding elastomer both ends are set on pedestal as a further improvement of the utility model,.

Be provided with a fixed bracket on the pedestal as a further improvement of the utility model, the fixation bracket to On extend to form two pieces of branch pieces, offer a branch piece jack respectively in two pieces of branch on pieces, which is inserted in Wherein in the branch piece jack of a piece of branch piece, the other end is inserted in the branch piece jack of other a piece of branch piece.

One first pedestal jack, In are offered on one inner wall of pedestal as a further improvement of the utility model, One second pedestal jack is offered on another inner wall of the pedestal, which is inserted in the first pedestal jack, separately One end is inserted in the second pedestal jack.

Sounding elastomer both ends are set on lid as a further improvement of the utility model,.

One first lid jack, In are offered on one inner wall of lid as a further improvement of the utility model, One second lid jack is offered on another inner wall of the lid, which is inserted in the first lid jack, separately One end is inserted in the second lid jack.

The sounding elastomer is elastic slice or elastic wire as a further improvement of the utility model,.

The utility model has the following beneficial effects: by adding sounding elastomer on pedestal or lid, when pressing lid, Promoted sounding elastomer by lid deformation occurs, rebound, overturning and hit lid, pedestal and/or accommodating cavity internal structure and issue Sound realizes pressing sounding effect, and since it is with elastic characteristic, pressing feel can be improved, promote user experience, together When, the direct impact force hit to key switch internal structure can be weakened, protection internal structure is without impaired.

Above-mentioned is the general introduction of utility model technical solution, below in conjunction with attached drawing and specific embodiment, to the utility model It is described further.

Detailed description of the invention

Fig. 1 is that sounding elastomer is set to the structural schematic diagram on fixed bracket in the utility model；

Fig. 2 is support bracket fastened structural schematic diagram on pedestal in the utility model；

When Fig. 3 is that key switch is in pressing state in the utility model, sounding elastomer is in the knot of downward arch shape Structure schematic diagram；

Fig. 4 is that sounding elastomer is set to the structural schematic diagram in pedestal jack in the utility model；

Fig. 5 is that sounding elastomer is set to the structural schematic diagram on lid in the utility model；

When Fig. 6 is that key switch is in non-pressing state in the utility model, the schematic diagram of internal structure of key switch；

When Fig. 7 is that key switch is in pressing on state in the utility model, the schematic diagram of internal structure of key switch；

Fig. 8 is the explosive view of the utility model key switch；

Fig. 9 is the external structure schematic diagram of the utility model key switch；

Figure 10 is that mobile is set to the structural schematic diagram on pedestal in the utility model；

Figure 11 is the structural schematic diagram of mobile in the utility model；

Figure 12 is that the acting section of mobile in the utility model is located above balancing stand, and key switch is in and does not press shape The structural schematic diagram of state；

Figure 13 is that the acting section of mobile in the utility model is located above balancing stand, and key switch is in pressing state Structural schematic diagram；

Figure 14 is that the acting section of mobile in the utility model is located at below balancing stand, and key switch is not in by breaking The structural schematic diagram of open state；

Figure 15 is that the acting section of mobile in the utility model is located at below balancing stand, and key switch is in pressing conducting The structural schematic diagram of state；

Figure 16 is that key switch is in the sectional view for not pressing off-state in the utility model；

Figure 17 is the sectional view that key switch is in pressing on state in the utility model；

Figure 18 is the structural schematic diagram that balancing stand is combined with elastic component in the utility model；

Figure 19 is the explosive view of balancing stand in the utility model；

Figure 20 is the bottom substance schematic diagram of pedestal in the utility model；

Figure 21 is the structural schematic diagram that balancing stand is combined with lid in the utility model.

Specific embodiment

Further to illustrate that the utility model is the technical means and efficacy for reaching predetermined purpose and being taken, below in conjunction with Specific embodiment of the present utility model is described in detail in attached drawing and preferred embodiment.

Fig. 1 to Fig. 9 is please referred to, the utility model embodiment provides a kind of vocal structure for key switch, including one Pedestal 1 and the lid 2 for being set to 1 top of pedestal, the pedestal 1 combine to form an accommodating cavity with lid 2.The present embodiment hair Acoustic form further includes the sounding elastomer 7 being set in accommodating cavity, which can be made of plastic cement or metal, Concretely elastic slice or elastic wire, the present embodiment attached drawing are that elastic slice is illustrated as an example with sounding elastomer 7, the sounding Deformation occurs and hits pedestal 1, lid 2 and/or accommodating cavity internal structure and makes a sound by the drive of lid 2 for elastomer 7 (elastic slice).

7 both ends of the present embodiment sounding elastomer can be set on pedestal 1, also can be set on lid 2.

When 7 both ends of sounding elastomer are set on pedestal 1, first way are as follows: as shown in Figures 1 and 2, in the base A fixed bracket 11 is provided on seat 1, which upwardly extends to form two pieces of branch pieces 111, in two pieces of branch pieces 111 A branch piece jack 1111 is offered respectively, which is inserted in the branch piece jack 1111 of wherein a piece of branch piece 111 In, the other end is inserted in the branch piece jack 1111 of other a piece of branch piece 111.When not pressing down on lid 2, sounding elastomer 7 (elastic slices) are in upward arch shape, as shown in Figure 1；When pressing down on lid 2, sounding elastomer 7 (elastic slice) from lid 2 to It is lower to push deformation occurs to overturn, promote sounding elastomer 7 (elastic slice) to downwardly turn over and hits pedestal 1 and/or accommodating cavity internal structure It makes a sound, at this point, sounding elastomer 7 (elastic slice) is in downward arch shape, as shown in Figure 3.When pressing of the release to lid 2 When, the down force that sounding elastomer 7 (elastic slice) is subject to disappears, and can drive sounding elastomer 7 by accommodating cavity internal structure (elastic slice) rebound overturning resets upwards, hits lid 2 when rebound and makes a sound, at this point, sounding elastomer 7 (elastic slice) restores extremely Upward arch shape, as shown in Figure 1.When pressing lid 2 repeatedly, sounding elastomer 7 (elastic slice) hits lid 2, pedestal 1 repeatedly And/or accommodating cavity internal structure makes a sound.

The second way are as follows: as shown in figure 4, one first pedestal jack 12 is offered on 1 one inner wall of pedestal, at this One second pedestal jack 13 is offered on another inner wall of pedestal 1, which is inserted in the first pedestal jack 12 In, the other end is inserted in the second pedestal jack 13.It is similar to first way, when not pressing down on lid 2, sounding elasticity Body 7 (elastic slice) is in upward arch shape, as shown in Figure 4；When pressing down on lid 2, sounding elastomer 7 (elastic slice) is by lid 2 The overturning that pushes down on that deformation occurs, promotes sounding elastomer 7 (elastic slice) to downwardly turn over and hits pedestal 1 and/or accommodating cavity internal junction Structure makes a sound, at this point, sounding elastomer 7 (elastic slice) is in downward arch shape.When unclamping the pressing to lid 2, sounding bullet Property body 7 (elastic slice) down force for being subject to disappear, sounding elastomer 7 (elastic slice) can be driven upward by accommodating cavity internal structure Rebound overturning resets, and hits lid 2 when rebound and makes a sound, at this point, sounding elastomer 7 (elastic slice) restores to upward arch Shape, as shown in Figure 4.When pressing lid 2 repeatedly, sounding elastomer 7 (elastic slice) hits lid 2, pedestal 1 and/or accommodating repeatedly Chamber internal structure makes a sound.

When 7 both ends of sounding elastomer are set on lid 2, as shown in figure 5, specifically, on 2 one inner wall of lid One first lid jack 21 is offered, offers one second lid jack 22 on another inner wall of lid 2, the sounding elastomer 7 one end are inserted in the first lid jack 21, and the other end is inserted in the second lid jack 22.When not pressing down on lid 2, Sounding elastomer 7 (elastic slice) is in downward arch shape, as shown in Figure 5；When pressing down on lid 2, sounding elastomer 7 (elastic slice) As lid 2 moves down, when sounding elastomer 7 (elastic slice) touches structure (the accommodating cavity internal structure) on pedestal 1, pedestal 1 On structure push up sounding elastomer 7 (elastic slice) and bring it about deformation overturning, promote sounding elastomer 7 (elastic slice) to turning over Turn shock lid 2 to make a sound, at this point, sounding elastomer 7 (elastic slice) is in upward arch shape.When pressing of the release to lid 2 When, the upward active force that sounding elastomer 7 (elastic slice) is subject to disappears, and sounding elastomer 7 (elastic slice) rebound overturning downwards resets, and returns Pedestal 1 and/or accommodating cavity internal structure are hit when bullet and is made a sound, at this point, sounding elastomer 7 (elastic slice) restores to downward Arch shape, as shown in Figure 5.When repeatedly press lid 2 when, sounding elastomer 7 (elastic slice) hit repeatedly lid 2, pedestal 1 and/or Accommodating cavity internal structure makes a sound.

In the present embodiment, sounding elastomer 7 (elastic slice) is spun upside down, and can not only hit lid 2 and pedestal 1 issues Sound can also hit accommodating cavity internal structure and make a sound, for example, accommodating to increase pressing stationarity and feel Intracavitary one balancing stand 3 (being made of balancing pole A 31 and balancing pole B 32) of setting, meanwhile, it is convexly equipped on balancing stand 3 and is located at hair One convex block 30 of 7 lower section of acoustic elasticity body, when sounding elastomer 7 downwardly turns over and generates deformation, sounding elastomer 7 is in addition to that can strike It hits outside 1 sounding of pedestal, 30 sounding of convex block can also be tapped, meanwhile, it is multiple that convex block 30 can also drive sounding elastomer 7 to be flipped up Position, as shown in Figures 6 and 7.

Vocal structure provided in this embodiment is especially suitable in key switch, as shown in Fig. 8 to Figure 21, key switch is also Including being set between pedestal 1 and lid 2 and driving a up and down mobile 4 by balancing stand 3, be set in mobile 4 One conducting trigger member A 5 and be electrically connected to circuit board and with conducting trigger member A 5 it is corresponding one conducting trigger member B 6, lead to In normal situation, circuit board is set to 1 lower section of pedestal, and pedestal 1 can be welded on circuit board, certainly by the leg of bottom Corresponding buckle can be set on pedestal 1, be buckled on pcb board.In the present embodiment, the mobile 4 is elastic construction, excellent Choosing, be elastic piece.

In the present embodiment, described 4 one end of mobile has the acting section 41 extended to above or below balancing stand 3. It can be to form a smooth entirety with mobile 4 by mobile's straight extension in 4 one end for acting section 41.Certainly, make It is folded upward at tilting section 41' on one made of extension with section 41 or as 4 one end of mobile, as shown in Figure 10 and Figure 11, End tilting section 41' has a service portion 411 on this, which is located above or below balancing stand 3.

The acting section 41 (service portion 411) of the present embodiment mobile 4 can be located above or below balancing stand 3, when being located at When 3 top of balancing stand, balancing stand 3 in the raw under, balancing stand 3 applies acting section 41 (service portion 411) upward Active force makes mobile 4 be lifted up generation deformation, as shown in figure 12；Make balancing stand 3 with the bottom pressing down on lid 2 When, balancing stand 3 discharges the active force to acting section 41 (service portion 411), then the rebound of mobile 4, which moves down, restores to nature, As shown in figure 13.When be located at 3 lower section of balancing stand when, balancing stand 3 in the raw under, balancing stand 3 to acting section 41 (effect Portion 411) without active force, mobile 4 in the raw, as shown in figure 14；Make balancing stand 3 under pressing down on lid 2 When pendulum, balancing stand 3 applies downward active force to acting section 41 (service portion 411), then mobile 4 is with moving down generation deformation, As shown in figure 15.

It can be mechanical conduction mode for the conduction mode of the present embodiment key switch, specifically, such as Fig. 8, Tu10Tu Shown in 11, the conducting trigger member A 5 is movable contact 5', and movable contact 5' is set to 4 lower end surface of mobile, the mobile 4 other ends have the connection terminal 42 for being connected to circuit board, which is set on pedestal 1, and the connection terminal 42 are inserted on pedestal 1, and are connected to circuit board through pedestal 1.Meanwhile the conducting trigger member B 6 is stationary contact 61, this is quiet Contact 61 is connected to circuit board by a fixing terminal 62, which is located at immediately below movable contact 5', the fixing terminal 62 It is inserted on pedestal 1, or is shaped on pedestal 1, and 62 lower end of fixing terminal is in the lower section of pedestal 1, and be connected to Circuit board.When not pressing down on lid 2, regardless of the acting section 41 (service portion 411) of mobile 4 is located above balancing stand 3 also It is lower section, the movable contact 5' of 4 lower end surface of mobile is separated with stationary contact 61, i.e. movable contact 5' and stationary contact 61 are not in contact with then Key switch is in an off state, as shown in figure 16.When pressing down on lid 2, regardless of (the effect of acting section 41 of mobile 4 Portion 411) be located at the top of balancing stand 3 or lower section, the bottom of balancing stand 3 make the movable contact 5' of 4 lower end surface of mobile with it is quiet Contact 61 contacts, then key switch is in the conductive state, as shown in figure 17.

In the present embodiment, as shown in Figure 18 to Figure 21, the balancing stand 3 includes an a balancing pole A 31 and balancing pole B 32, an elastic component 33 is connected between balancing pole A31 and balancing pole B 32, it is preferred that the elastic component 33 is tension spring 33'.Together When, the dog hole A 311 hooked into for the one end tension spring 33' is formed on the balancing pole A 31, on the balancing pole B 32 It is formed with the dog hole B 321 hooked into for the tension spring 33' other end.

Specifically, the balancing pole A 31 is enclosed type frame structure, the balancing pole B 32 is U-shaped structure；It is described flat Be respectively arranged with a slotting axis 312 in opposite two outer side edges of weighing apparatus bar A 31, and the balancing pole 31 one ends of A it is opposite two outside Inserting column A313 on one in insertion lid 2 is respectively arranged on side.Meanwhile two inner side edges opposite in the balancing pole B 32 On be respectively arranged with the jack 322 being inserted into for inserting axis 312, and in two opposite outer side edges of the balancing pole 32 one ends of B point It is not provided with inserting column 323 once in insertion pedestal 1, is respectively set on the opposite two sides in 32 the other end balancing pole B There is inserting column B 324 on one in insertion lid 2.

Which during key switch pressing is connected, regardless of the position on pressing lid 2, by balancing pole A31 and put down Weighing apparatus bar B 32, which is combined, to be swung up and down to balance out pressing force in the component of inclined direction, is made key stress equalization, is improved whole Press equilibrant force.Meanwhile elasticity is provided with swinging up and down for balancing pole B 32 for balancing pole A31 by elastic component 33 (tension spring 33') The upper wobbling action (restoring to v-shaped structure on 3 top of balancing stand) of restoring force, balancing pole A31 and balancing pole B 32 is drawn by tension spring 33' It rises, prevents balancing pole A31 and balancing pole B 32 deviates the wobble tracks of former setting, to further increase pressing equilibrant force, and by The upper swing of balancing pole A31 and balancing pole B 32 drives lid 2 to move up reset.Meanwhile by tension spring 33' pull balancing pole A31 with Balancing pole B 32 significantly increases pressing stroke, and balancing stand is flipped movement when pressing lid 2, and manpower is made to obtain one Kind is disconnected to fall sense of touch, improves pressing feel.

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions, therefore technical characteristic identical or approximate with the utility model above-described embodiment is used, and obtained other structures, It is within the protection scope of the utility model.

Claims (7)

1. a kind of vocal structure for key switch, including a pedestal and the lid being set to above pedestal, the pedestal with Lid combines to form an accommodating cavity, which is characterized in that further includes the sounding elastomer being set in accommodating cavity, the sounding bullet Property body by lid drive deformation occurs and hits pedestal, lid and/or accommodating cavity internal structure and makes a sound.

2. the vocal structure according to claim 1 for key switch, which is characterized in that sounding elastomer both ends It is set on pedestal.

3. the vocal structure according to claim 2 for key switch, which is characterized in that be provided on the pedestal One fixed bracket, the fixation bracket upwardly extend to form two pieces of branch pieces, offer a branch piece jack respectively in two pieces of branch on pieces, The sounding elastomer one end is inserted in the branch piece jack of wherein a piece of branch piece, and the other end is inserted in the branch piece of other a piece of branch piece In jack.

4. the vocal structure according to claim 2 for key switch, which is characterized in that on one inner wall of pedestal One first pedestal jack is offered, one second pedestal jack is offered on another inner wall of the pedestal, the sounding elastomer one end It is inserted in the first pedestal jack, the other end is inserted in the second pedestal jack.

5. the vocal structure according to claim 1 for key switch, which is characterized in that sounding elastomer both ends It is set on lid.

6. the vocal structure according to claim 5 for key switch, which is characterized in that on one inner wall of lid One first lid jack is offered, one second lid jack is offered on another inner wall of the lid, the sounding elastomer one end It is inserted in the first lid jack, the other end is inserted in the second lid jack.

7. the vocal structure according to claim 1 for key switch, which is characterized in that the sounding elastomer is bullet Piece or elastic wire.