CN209526027U - A kind of key switch with vocal structure - Google Patents

Abstract

The utility model discloses a kind of key switches with vocal structure, including mounting base, canopy switch mechanism and collision mechanism, the mounting base to be installed together with top cover, in the switching mechanism and the fixing body that mounting base is arranged in collision mechanism and top cover is formed；The switching mechanism includes briquetting, connecting plate and multiple pole plates, each pole plate is fixed in mounting base, the connecting plate is arranged on briquetting, and in mounting base, the connecting plate can be contacted by pressing with each pole plate and be electrically connected each pole plate the briquetting elastic connection；The collision mechanism includes the first spring and collision sleeve, and the collision sleeve is set in second spring periphery, and is connected in mounting base by the first spring；The collision barrel forward end is round and smooth structure, and the briquetting side is provided with jacking block, and the collision sleeve can slip over jacking block and briquetting side or mounting base is collided.The utility model is for pressing sounding switch.

Description

A kind of key switch with vocal structure

Technical field

The utility model relates to circuit components technical fields, and in particular to a kind of key switch with vocal structure.

Background technique

Switch is common a kind of component in circuit, and the connection or disconnection of circuit may be implemented in switch, and switch is by switch State point includes normal open switch, normally closed switch etc., includes key switch, rotary switch etc. by on-off mode point.Key switch is Realize by pressing and switch on-off function, when key switch presses would generally sounding, the sounding of key switch under normal circumstances It is considered as noise, but under certain Special use environment, key switch sounding is utilized, and brings the special sense of hearing to pierce to people Swash, therefore sometimes even needs that vocal structure is specially arranged on key switch.But the structure of existing vocal structure is multiple Miscellaneous, installation is inconvenient, and high-frequency use is easily damaged, and influences the normal use of electric appliance where switching and switching.

Utility model content

The technical issues of the utility model solves is for the deficiency in background technique, and providing a kind of soluble has The key switch of vocal structure.

In order to solve the above technical problems, the technical solution of the utility model is: a kind of key switch with vocal structure, Including mounting base, canopy switch mechanism and collision mechanism, the mounting base is installed together with top cover, the switching mechanism with touch In the fixing body that mounting base is arranged in the structure that collides and top cover is formed；The switching mechanism includes briquetting, connecting plate and multiple pole plates, Each pole plate is fixed in mounting base, and the connecting plate is arranged on briquetting, and the briquetting elastic connection is in mounting base；Institute It states connecting plate and can be contacted with each pole plate and be electrically connected each pole plate, or separated with each pole plate and realize that each pole plate electrically disconnects；Institute Stating collision mechanism includes the first spring and collision sleeve, and the collision sleeve is set in second spring periphery, and passes through the first bullet Spring is connected in mounting base；The collision barrel forward end is round and smooth structure, and the briquetting side is provided with jacking block, the collision Sleeve can slip over jacking block and briquetting side, top cover or mounting base are collided.

Further, accommodation groove is provided in the mounting base, the collision sleeve is mounted in accommodation groove, the collision Anti-bias rotation structure is provided between sleeve and accommodation groove.

Further, the collision sleeve is cylindrical shape, and cylinder two sides cut out anti-deflection plane；The accommodation groove has The flat sidewall to match with anti-deflection plane.

Further, the collision sleeve is provided with limited block, is provided in the mounting base and the matched limit of limited block Position slot.

It further, further include buffer gear, the buffer gear includes elastic component, and one end of the elastic component is fixed on On briquetting, the other end is connect with connecting plate.

Further, the buffer gear further includes pilot sleeve, and guide groove, the guide sleeve are provided on the briquetting Cylinder is arranged in guide groove, and the connecting plate is fixed on pilot sleeve end.

Further, anti-bias rotation structure is provided between the pilot sleeve and guide groove.

Further, guide post is provided in the mounting base, the briquetting is connect with mounting base by second spring, institute It states second spring and is set in guide post periphery.

Further, the mounting base is connect with top cover by buckle structure.

Beneficial effect of the utility model mainly has the following: using collision sleeve and spring as collision sounding Mechanism, collision sleeve are covered by cavity therein in spring peripheral, can matching by spring and cavity when collision slip expansion Conjunction is oriented to, and guiding can be realized by not needing other guide frames, and structure is simple, the operation is stable, thus by simple Structure can realize that the elastic linear of collision sleeve is flexible, it is ensured that collision vocal structure for a long time, it is high-frequency steady It is fixed to use and easy for installation, production cost is low.

Detailed description of the invention

Fig. 1 is the configuration schematic diagram of the key switch in the utility model embodiment one with vocal structure；

Fig. 2 is the structural schematic diagram of the mounting base of the key switch in the utility model embodiment one with vocal structure；

Fig. 3 is the structural representation of the collision sleeve of the key switch in the utility model embodiment one with vocal structure Figure；

Fig. 4 is the structural schematic diagram of the briquetting of the key switch in the utility model embodiment one with vocal structure；

Fig. 5 is the structural representation of the pilot sleeve of the key switch in the utility model embodiment one with vocal structure Figure；

Fig. 6 is that the cross-section structure of the collision mechanism of the key switch in the utility model embodiment one with vocal structure shows It is intended to；

Fig. 7 is that the cross-section structure of the buffer gear of the key switch in the utility model embodiment one with vocal structure shows It is intended to；

Fig. 8 is the schematic perspective view of the key switch in the utility model embodiment one with vocal structure.

The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art, The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.

Specific embodiment

In order to facilitate the understanding of those skilled in the art, below in conjunction with attached drawing and embodiment to the utility model carry out into One step detailed description.

Embodiment one

Refering to fig. 1 ~ 8, a kind of key switch with vocal structure, during switch depressing operation, vocal structure meeting Sounding gives user special auditory stimulation and usage experience.Key switch includes mounting base 1,2 switching mechanism 3 of top cover and touches Collide structure 4.The mounting base 1 is installed together with top cover 2, supports and install entire construction of switch；Mounting base 1 and top cover 2 Specific installation can use the modes such as be spirally connected, be clamped to install, and install preferably with the mode of buckle clamping, this structure facilitates life Produce assembling；Mounting base 1 and top cover 2 are generally made of insulating materials, such as bakelite, plastic cement material.It the switching mechanism 3 and touches In the fixing body that mounting base 1 is arranged in the structure 4 that collides and top cover 2 is formed, to realize switching mechanism 3 and collide the fixation of mechanism 4 Installation.

Refering to fig. 1 with 7, the switching mechanism 3 includes briquetting 31, connecting plate 32 and multiple pole plates 33.Briquetting 31 is pressing Component is completed when pressing operation switchs by pressing briquetting 31, and briquetting 31 usually can be using insulating materials such as plastic cement.Pole plate 33 It is the component for connecting external circuit, using metalwork；Two or more can be set, according to actual circuit control needs Selection, the present embodiment are illustrated for two pole plates 33 are arranged.Connecting plate 32 also uses metalwork, and connecting plate 32 can be with Each contact of pole plate 33 or separation, contact realize that the disconnection of switch is realized in the connection of switch, separation.Each pole plate 33 is fixed on In mounting base 1, positioning column and opening are provided in mounting base 1, is provided with location hole on pole plate, pole plate 33 can by opening from It is reached inside mounting base 1 outside mounting base 1, it is convenient to be connect with external circuit；Pacified when installation by positioning column location and installation It fills in seat 1, can and be fixed by screws, clamping structure clamping can also be set in mounting base 1.

Refering to fig. 1 with 7, the connecting plate 32 is arranged on briquetting 31, can be directly anchored on briquetting 31, can also pass through Other structures are arranged in indirectly on briquetting 31.For the briquetting 31 through elastic component elastic connection in mounting base 1, elastic component can be with Elastic slice, spring etc. are selected, so that the pressing of briquetting 31 has rebound function after unclamping；It is provided with opening on top cover 2, is stretched for briquetting 31 Out, while on briquetting limited block 313 is provided with to be limited in its own on the fixing body that mounting base 1 is formed with top cover 2.By upper Stating structure may be implemented, and briquetting pushes so that connecting plate 32 is contacted the electric connection of each pole plate with each pole plate 33 to be connected to pole The circuit that plate is connected, or unclamp briquetting connecting plate 32 and separately disconnect the circuit that pole plate is connect with each pole plate 33 therewith. Connecting plate 32 does not contact above-mentioned switch with each pole plate 33 in its natural state, that is, is set as normally opened form；Also it can change Elastic component, is set as nature lower connecting plate 32 and each 33 Elastic Contact of pole plate, and when pressing disconnects, that is, is fabricated to one often Make and break is closed.

Refering to Fig. 2,3 and 6, the collision mechanism 4 includes the first spring 41 and collision sleeve 42, and colliding has in sleeve 42 Cavity, the collision sleeve 42 is set in 14 periphery of second spring by cavity, and is connected to mounting base 1 by the first spring 41 On, i.e., collision sleeve 42 can be arranged in mounting base 1 with elastic telescopic.Collision 42 front end of sleeve is round and smooth structure, can To be set as spherical structure, so that collision sleeve 42 be facilitated to collide the sliding action before and after sounding.31 side of the briquetting setting There is jacking block 311, the collision sleeve 42 can slip over jacking block 311 and 31 side of briquetting or mounting base 1 is collided.In Fig. 6, pressing When briquetting 31, jacking block 311 moves down therewith, retracts after end in contact jacking block 311 before collision sleeve 42, the top when continuing to press briquetting 31 Block 311 reaches 42 lower section of collision sleeve, collides sleeve 42 at this time and stretches out again and 31 side wall of briquetting collision sounding；If by jacking block 311 are arranged in the side middle position of briquetting 31, and 31 side wall of briquetting can also be collided in briquetting rebound uphill process by unclamping briquetting Sounding；If the lowest part of briquetting 31 is arranged in jacking block 311, and is provided with position limiting structure in mounting base 1, then briquetting was sprung back The position limiting structure that sleeve 42 and mounting base 1 are collided in journey collides sounding；If the neighbouring collision sleeve 42 of top cover 2 is arranged, compacting sleeve Cylinder 42, which can also be stretched out, collides sounding with top cover 2.

Refering to Fig. 2,3 and 6, accommodation groove 12 is provided in the mounting base 1, the collision sleeve 42 is mounted on accommodation groove 12 It is interior, it is provided with anti-bias rotation structure between the collision sleeve 42 and accommodation groove 12, anti-bias rotation structure, which is arranged, can to collide sleeve 42 is more stable when flexible, also can protect the first spring, avoids it from being deflected and turns damage.Anti-bias rotation structure is as follows: can be with By the shape for colliding sleeve 42 be set as with the consistent structure of accommodation groove 12, and be disposed as except other cylindrical unexpected columns Shape structure, such as quadrangular shape, so that colliding sleeve 42 cannot rotate in accommodation groove 12, this structure can be used as anti-deflection Structure realizes anti-bias rotating function；Anti-bias rotation structure can also be cylindrical shape using such as flowering structure, the collision sleeve 42, and round The opposite two sides of cylinder cut out anti-deflection plane 422；The accommodation groove 12 has the flat sidewall to match with anti-deflection plane 422 121, the anti-deflection plane 422 of collision sleeve 42 is contacted with flat sidewall 121 just when installation, this structural collision sleeve 42 It cannot be rotated in accommodation groove 12, there is anti-bias rotating function.

Refering to Fig. 2,3 and 6, the collision sleeve 42 is provided with limited block 421, is provided with and limits in the mounting base 1 The limited block 421 of the matched limiting slot 11 of block 421, collision sleeve 42 is mounted in limiting slot 11, and limiting slot 11 makes compacting sleeve Cylinder 42 can only stretch in a certain range, so as to avoid the operation excess of stroke from damaging the first spring.

Further include buffer gear 5 refering to Fig. 4,5 and 7, buffer gear 5 can to avoid 32 hard collision pole plate 33 of connecting plate, To protect connecting plate 32 and pole plate 33.The buffer gear 5 includes elastic component 51, can use spring, the elastic component 51 One end be fixed on briquetting 31, the other end is connect with connecting plate 32.So that when pressing briquetting 31, connecting plate 32 and pole plate It can be buffered by elastic component 51 after 33 contacts to avoid hard collision from damaging；And it is also possible that connecting plate 32 and pole plate 33 It comes into full contact with, guarantees the electric connection between each pole plate 33, avoid contact with bad.

Refering to Fig. 4,5 and 7, preferably, the buffer gear 5 further includes pilot sleeve 52, it is arranged on the briquetting 31 There is guide groove 312, the pilot sleeve 52 is arranged in guide groove 312, and the connecting plate 32 is fixed on 52 end of pilot sleeve, It is also secured on elastic component 51.When elastic component 51 shrinks buffering connecting plate 32, pilot sleeve 52 slides logical in guide groove 312 The guiding of guide groove 312 is crossed, avoids it that the movement damage elastic component other than linear expansion occurs.Equally, the pilot sleeve Also anti-bias rotation structure has been can be set between 52 and guide groove 312, anti-bias rotation structure can be by the cunning that is arranged in guide groove 312 The sliding block 521 being arranged on slot 3121 and pilot sleeve 52 realizes that sliding block 521 is slidably arranged in sliding slot 3121, to prevent from being oriented to Sleeve 52, which deflects, damages elastic component.Position limiting structure can also be set to protect elastic component, specific structure is referred to collide The connection structure of sleeve 42 and accommodation groove 12, details are not described herein.In addition, preferably by lid when pilot sleeve 52 and briquetting are installed Plate 53 is installed, and cover board 313 is connected on the guide groove 312 of briquetting, and the rear end as pilot sleeve 52 limits.

Refering to fig. 1 with 6, guide post 13 is provided in the mounting base 1, the briquetting 31 passes through the second bullet with mounting base 1 Spring 14 connects, and the second spring 14 is set in the periphery of guide post 13, thus when pressing briquetting, can by second spring 14 with The cooperation of guide post 13 guarantees the jacking block not deviation on briquetting to be oriented to the movement of briquetting, to guarantee to collide sleeve Normal impingement sounding.

Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in Within the protection scope of the utility model claims.

Claims (9)

1. a kind of key switch with vocal structure, it is characterised in that: including mounting base (1), top cover (2) switching mechanism (3) With collision mechanism (4), the mounting base (1) is installed together with top cover (2), and the switching mechanism (3) and collision mechanism (4) are set It sets in the fixing body that mounting base (1) and top cover (2) is formed；

The switching mechanism (3) includes briquetting (31), connecting plate (32) and multiple pole plates (33), and each pole plate (33) is fixed on In mounting base (1), the connecting plate (32) is arranged on briquetting (31), and briquetting (31) elastic connection is on mounting base (1)； The connecting plate (32) can contact with each pole plate (33) and be electrically connected each pole plate, or separates with each pole plate and realize each pole plate electricity Property disconnect；

The collision mechanism (4) includes the first spring (41) and collision sleeve (42), and the collision sleeve (42) is set in second Spring (14) periphery, and be connected on mounting base (1) by the first spring (41)；The collision sleeve (42) front end is round and smooth Structure, briquetting (31) side are provided with jacking block (311), and the collision sleeve (42) can slip over jacking block (311) and briquetting (31) side, mounting base (1) or top cover (2) collision.

2. the key switch according to claim 1 with vocal structure, it is characterised in that: set on the mounting base (1) It is equipped with accommodation groove (12), the collision sleeve (42) is mounted in accommodation groove (12), the collision sleeve (42) and accommodation groove (12) anti-bias rotation structure is provided between.

3. the key switch according to claim 2 with vocal structure, it is characterised in that: the collision sleeve (42) is Cylindrical shape, and cylinder two sides cut out anti-deflection plane (422)；The accommodation groove (12) has and anti-deflection plane (422) phase The flat sidewall (121) matched.

4. the key switch according to claim 3 with vocal structure, it is characterised in that: the collision sleeve (42) sets It is equipped with limited block (421), is provided on the mounting base (1) and limited block (421) matched limiting slot (11).

5. described in any item key switches with vocal structure according to claim 1 ~ 4, it is characterised in that: further include buffering Mechanism (5), the buffer gear (5) include elastic component (51), and one end of the elastic component (51) is fixed on briquetting (31), separately One end is connect with connecting plate (32).

6. the key switch according to claim 5 with vocal structure, it is characterised in that: the buffer gear (5) is also It including pilot sleeve (52), is provided with guide groove (312) on the briquetting (31), the pilot sleeve (52) is arranged in guide groove (312) in, the connecting plate (32) is fixed on pilot sleeve (52) end.

7. the key switch according to claim 6 with vocal structure, it is characterised in that: the pilot sleeve (52) with Guide groove is provided with anti-bias rotation structure between (312).

8. the key switch according to claim 1 with vocal structure, it is characterised in that: set on the mounting base (1) It is equipped with guide post (13), the briquetting (31) is connect with mounting base (1) by second spring (14), second spring (14) set It is located at guide post (13) periphery.

9. the key switch according to claim 1 with vocal structure, it is characterised in that: the mounting base (1) and top (2) are covered to connect by buckle structure.