CN219534359U - Keyboard switch - Google Patents

Abstract

The utility model relates to the field of key switches, and particularly discloses a keyboard switch which comprises an upper cover and a key shaft core, wherein the upper cover comprises a sliding part, a sliding cavity for the key shaft core to slide is formed in the sliding part, and a sliding convex strip for abutting against the key shaft core is arranged on the cavity wall of the sliding cavity. The utility model has the effect of improving the mute effect of the keyboard switch.

Description

Keyboard switch

Technical Field

The utility model relates to the field of key switches, in particular to a keyboard switch.

Background

The mechanical keyboard is a type of keyboard, each key of the mechanical keyboard is controlled by an independent keyboard switch, and the keyboard switch is used as a core component of the mechanical keyboard to greatly influence the quality of the mechanical keyboard.

In the related art, a keyboard switch comprises a base, an upper cover connected to the base and a key shaft core arranged on the upper cover and the base in a sliding manner, wherein the on-off of the keyboard switch is realized by pressing the key shaft core.

In order to enable the key shaft core to slide smoothly, a certain gap exists between the key shaft core and the upper cover, and the key shaft core is easy to shake in the sliding process due to the gap, and collides with the upper cover in the shaking process, so that the noise generated when the key shaft core is pressed is large, and the key shaft core is to be improved.

Disclosure of Invention

In order to improve the mute effect of a keyboard switch, the utility model provides the keyboard switch.

The utility model provides a keyboard switch which adopts the following technical scheme:

the utility model provides a keyboard switch, includes upper cover and button axle core, the upper cover includes the sliding part, offer the slip chamber that supplies the button axle core to slide the setting on the sliding part, be provided with on the chamber wall of slip chamber and be used for the slip sand grip of contradicting with the button axle core.

By adopting the technical scheme, compared with the key shaft core which directly slides in the sliding cavity, the sliding raised line is arranged on the cavity wall of the sliding cavity and is abutted against the key shaft core, so that on one hand, the contact area between the sliding raised line and the key shaft core is small, and the influence on the sliding of the key shaft core is avoided as much as possible; on the other hand, as the key shaft core is abutted against the sliding convex strips, the key shaft core is effectively limited to shake in the pressing and moving process, so that the noise generated by the key shaft core due to shake and collision is reduced, and the mute effect of the keyboard switch is improved.

Optionally, the end face of the sliding raised strip facing the sliding cavity is a convex cambered surface.

By adopting the technical scheme, the end face of the sliding raised line facing the sliding cavity is set to be the convex cambered surface, so that the key mandrel is abutted against the convex cambered surface of the sliding raised line in the sliding process, the abutted position of the key mandrel and the sliding raised line is almost a line, the abutted area of the key mandrel and the sliding raised line is further reduced, and the mute effect of the keyboard switch is improved.

Optionally, the portable electronic device further comprises a base, the upper cover is connected to the base, the key shaft core comprises a positioning column and a key seat, the positioning column is used for being in interference with the base, the key seat is arranged in the sliding cavity in a sliding mode, and when the positioning column is in interference with the base, the key seat is completely located in the sliding cavity.

By adopting the technical scheme, compared with the case that the positioning column is in conflict with the base, only the end part of the key seat is positioned in the sliding cavity. The sliding part and the sliding cavity arranged in the way can play a role in guiding sliding and limiting in the whole pressing sliding process of the key seat, and further limit the key shaft core to shake in the pressing process, so that the mute effect of the keyboard switch is improved.

Optionally, the device further comprises a reset spring for driving the upper cover to reset, wherein the upper cover is provided with a top protruding block for abutting against the key shaft core, and when the reset spring is in a natural state, the key shaft core abuts against the top protruding block.

Through adopting above-mentioned technical scheme, when the button axle core resets, compare in direct contradicting with the plane on the upper cover, through the top lug, avoid the button axle core to be with the plane laminating and the required correction of rocking of going on as far as possible to the silence effect of button axle core in the slip in-process has been improved.

Optionally, the sliding part is provided with a sliding chute, and the key shaft core comprises a sliding block arranged in the sliding chute in a sliding manner.

By adopting the technical scheme, the guide sliding block is arranged in the guide sliding groove in a sliding manner so as to further limit the shaking in the whole sliding process of the key shaft core, thereby improving the stability of the key shaft core during the whole sliding and further improving the mute effect of the keyboard switch of the keyboard.

Optionally, still including the reset spring who is used for driving the upper cover to reset, the button axle core is including the spring housing of cover on reset spring and be used for the reference column of contradicting with the base, reset spring includes the telescoping portion and connects the lower parallel circle portion on the telescoping portion tip, lower parallel circle portion is contradicted with the base, when the reference column is contradicted with the base, the telescoping portion is located the spring housing completely.

By adopting the technical scheme, the key shaft core stretches out and draws back and the lower ring part hardly stretches out and draws back in the sliding process. Because the locating column is in conflict with the base, the telescopic part is located in the spring housing completely to the sound that the telescopic part sent when flexible and the sound that the telescopic part sent if rocking and contradicting with the spring housing inner wall outwards transmit, further improved the silence effect of the keyboard switch of the utility model.

Optionally, the upper cover further comprises a light-transmitting block, wherein the top wall of the upper cover is provided with a mounting hole, and the light-transmitting block is arranged in the mounting hole.

Through adopting above-mentioned technical scheme, compare in directly covering the trompil, concentrate light through addding the printing opacity piece, can strengthen the lamp pearl luminance that keyboard switch can the transmission out after matching the lamp pearl for each keyboard switch.

Optionally, a plurality of reflection grooves are formed in the top wall of the light-transmitting block.

By adopting the technical scheme, the reflection groove is formed in the light transmission opening, and light released by the lamp beads can be refracted, so that the brightness of each key on the keyboard which can be seen visually is further improved.

Optionally, the base comprises a base body and a mounting surrounding edge sleeved and fixed on the base body, the base body is provided with a first connecting structure, the upper cover is provided with a second connecting structure which is connected with the first connecting structure in a matched mode, and the first connecting structure is located on one side, close to the base body, of the mounting surrounding edge.

Through adopting above-mentioned technical scheme, first connection structure is located the side that the installation surrounding edge is close to the pedestal, namely the connection structure that upper cover and base set up in the inboard of installation surrounding edge, compare in setting up connection structure on the lateral wall of base directly, set up on connection structure on the lateral wall of installation surrounding edge promptly, the integrality of the border of installation surrounding edge can be ensured in this way to the setting, the condition that the user is pressed against the hand because of the marginal recess of installation surrounding edge appears when installing the keyboard switch of the utility model has been avoided as far as possible, the user has improved the hand feeling of holding when installing the keyboard switch of the utility model of pinching.

Optionally, offer on the lateral wall of base and stretch into the groove, first connection structure is for setting up the fixture block on stretching into the groove cell wall, second connection structure is for setting up the last trip on the upper cover, stretch into the groove and be used for going up the trip and stretch into, fixture block and last trip joint cooperation.

By adopting the technical scheme, because the user occasionally has the conditions of separating the upper cover and the base and adding oil to lubricate the reset spring, when the upper cover and the base are connected, the upper clamping hook is directly inserted into the extending groove until the upper clamping hook is matched with the clamping block in a clamping way. The arrangement ensures the convenience of connecting the upper cover with the base on one hand and improves the holding hand feeling of a user when the upper cover and the base are connected on the other hand.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. by additionally arranging the sliding raised strips and arranging the end faces of the sliding raised strips facing the sliding cavity to be convex cambered surfaces, the contact area between the sliding raised strips and the key shaft core can be reduced, the key shaft core can be limited to shake, and the mute effect of the keyboard switch is improved;

2. because the positioning column is in contact with the base, the telescopic part is completely positioned in the spring sleeve, and the key seat is completely positioned in the sliding cavity, on one hand, the key seat is limited by sliding in the whole process, so that the shaking of the key seat is reduced, and on the other hand, the outwards emitted sound of the keyboard switch can be effectively reduced by covering the telescopic part when the key shaft core moves;

3. the light-gathering effect of the keyboard switch can be improved through the light-transmitting block and the reflecting groove, so that the brightness of each key on the keyboard which is visually seen is enhanced.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Fig. 2 is an exploded view of an embodiment of the present utility model.

Fig. 3 is a schematic view showing the structure of the upper cover in the embodiment of the present utility model.

Fig. 4 is a schematic cross-sectional view of a key core according to an embodiment of the present utility model when the key core is fully pressed.

Reference numerals illustrate:

1. a base; 11. a base; 111. extend into the groove; 112. an outer hook; 113. a clamping block; 12. installing a surrounding edge; 2. a contact; 3. a reed; 4. an upper cover; 41. a cover body; 411. a hook is arranged on the upper part; 412. a mounting hole; 42. a sliding part; 421. a sliding chamber; 422. sliding convex strips; 423. a relief groove; 424. a guide chute; 425. a top bump; 5. a key shaft core; 51. a key base; 52. a collision part; 53. a pressing part; 54. a guide block; 55. a spring sleeve; 56. positioning columns; 6. a return spring; 61. a telescopic part; 62. upper parallel ring parts; 63. a lower parallel ring part; 7. a light-transmitting block; 71. a reflective trough.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a keyboard switch. Referring to fig. 1 and 2, the keyboard switch includes a base 1, a contact 2 disposed in the base 1, a reed 3 abutting against the contact 2, an upper cover 4 connected to the base 1, a key shaft 5 slidably disposed on the upper cover 4, a return spring 6 for driving the key shaft 5 to return, and a light-transmitting block 7 for condensing light.

Referring to fig. 1 and 2, the base 1 includes a base 11 and a mounting surrounding edge 12 sleeved on the base 11, and the mounting surrounding edge 12 and the base 11 are integrally formed by plastic. The contact 2 and the reed 3 are both fixed in the seat 11, and pins on the contact 2 and the reed 3 penetrate through the seat 11 and extend out of the seat 11.

Referring to fig. 1, two extending grooves 111 are formed on two opposite side walls of the base 11, and outer hooks 112 for connecting with a keyboard are uniformly formed on the other two opposite side walls of the base 11, and the two extending grooves 111 are located on one side of the mounting surrounding edge 12 close to the base 11. The first connecting structure is arranged in the extending groove 111 and is positioned on one side of the mounting surrounding edge 12 close to the seat body 11, and the first connecting structure is a clamping block 113 which is integrally formed on the groove wall of the extending groove 111.

Referring to fig. 1 and 2, the upper cover 4 includes a cover 41 and a sliding portion 42 for sliding the key shaft 5, the sliding portion 42 is located inside the cover 41, and the cover 41 and the sliding portion 42 are integrally formed of plastic. Four second connection structures respectively connected and matched with the different first connection structures are arranged on the cover body 41. The second connecting structure is an integrally formed upper hook 411 on one side of the cover 41 facing the base 1, each extending slot 111 is respectively used for extending different upper hooks 411, and each clamping block 113 is respectively in clamping fit with different upper hooks 411.

Referring to fig. 1 and 2, a mounting hole 412 is formed in the top wall of the cover 41, one end of the light-transmitting block 7 is inserted into the mounting hole 412, and the other end of the light-transmitting block 7 penetrates the base 11 and is fixedly connected with the base 11. A plurality of reflection grooves 71 are formed in the top wall of the light-transmitting block 7, the reflection grooves 71 are hexagonal, and the sum of the reflection grooves 71 is honeycomb. The reflection groove 71 refracts light, so that the condensing effect of the light-transmitting block 7 can be effectively improved.

Referring to fig. 2 and 3, the sliding portion 42 is provided with a sliding cavity 421 penetrating through the sliding portion 42, two sliding ribs 422 are uniformly formed on three of the sliding cavity 421, four sliding ribs 422 are integrally formed on the remaining one of the sliding cavity 421, and each sliding rib 422 extends along the extending direction of the sliding cavity 421. The end face of the sliding raised strip 422 facing the sliding cavity 421 is a convex cambered surface, and the convex cambered surface of the sliding raised strip 422 is used for abutting against the key shaft core 5.

Referring to fig. 2, the key shaft core 5 includes a key seat 51, an abutting portion 52 disposed on a sidewall of the key seat 51, a pressing portion 53 disposed on a top wall of the key seat 51, two guide blocks 54 respectively disposed on two opposite sidewalls of the key seat 51, a spring housing 55 sleeved on the return spring 6, and a positioning post 56 for abutting against the base 1, where the key seat 51, the abutting portion 52, the pressing portion 53, the guide blocks 54, the spring housing 55, and the positioning post 56 are all integrally formed of plastic.

Referring to fig. 2 and 3, the key bed 51 is entirely located in the sliding chamber 421 and slidably disposed in the sliding chamber 421 in the extending direction of the sliding chamber 421, and one end of the pressing portion 53 protrudes out of the sliding chamber 421. The sliding cavity 421 is provided with a cavity wall provided with a sliding convex strip 422, and a yielding groove 423 is formed in the cavity wall, and the pressing part 53 is slidably arranged in the yielding groove 423 and is used for abutting against the reed 3 to drive the reed 3 to swing, so that the reed 3 abuts against or is separated from the contact piece 2. When the positioning post 56 abuts against the base 1, the key seat 51 is completely located in the sliding cavity 421, i.e. the key seat 51 is always completely located in the sliding cavity 421.

Referring to fig. 2 and 3, two opposite sidewalls of the sliding cavity 421 are respectively provided with a guiding chute 424, and two guiding sliders 54 are respectively slidably disposed in different guiding chutes 424. The groove walls of the two guide sliding grooves 424 are uniformly formed with a top protruding block 425 for abutting against the guide sliding block 54, and the end surface of the top protruding block 425 facing the guide sliding block 54 is a convex cambered surface.

Referring to fig. 2 and 4, one end of a spring housing 55 is connected to the key pad 51, one end of a positioning post 56 extends into the spring housing 55 and is connected to the key pad 51, and the other end of the positioning post 56 extends out of the spring housing 55. The return spring 6 is sleeved on the positioning column 56, and a gap exists between the return spring 6 and the spring sleeve 55 and is not larger than 0.05mm. The return spring 6 includes a telescopic portion 61, an upper engaging portion 62 and a lower engaging portion 63 connected to both ends of the telescopic portion 61, respectively, the upper engaging portion 62 abuts against the key seat 51 extending into the spring seat, and the lower engaging portion 63 abuts against the base 1.

Referring to fig. 2 and 3, when the return spring 6 is in a natural state, the guide slider 54 abuts against the top projection 425, and when the positioning post 56 abuts against the base 1, the telescopic portion 61 is completely located in the spring housing 55.

The implementation principle of the keyboard switch of the embodiment of the utility model is as follows: when the keyboard switch is assembled, the reed 3, the contact piece 2 and the light-transmitting mirror are firstly arranged on the fixed seat body 11, meanwhile, the reset spring 6 is arranged in the fixed seat body 11, then the key shaft core 5 is arranged on the fixed seat body 11, so that the positioning column 56 is inserted into the reset spring 6, and finally the upper cover 4 and the base 1 are connected with the upper clamping hook 411 through the clamping block 113.

When the key shaft core 5 is pressed, the sliding protruding strips 422 limit the key shaft core 5 to slide, and the key seat 51 is always completely located in the sliding cavity 421, so that the sliding cavity 421 and the sliding protruding strips 422 can always limit and guide the whole key seat 51. When the positioning column 56 is pressed to the bottom once, namely when the positioning column is in contact with the base 1, the telescopic part 61 is completely positioned in the spring sleeve 55, so that the sound generated by the telescopic part 61 in the telescopic process is limited from being transmitted outwards. When the key shaft 5 is reset, the top protruding block 425 abuts against the guide sliding block 54, so that the key shaft 5 is limited to shake.

By the arrangement, the stability of the key shaft core 5 in the moving process is high, so that the generated collision noise is small, and the sound generated by the return spring 6 is difficult to be transmitted outwards, so that the mute effect of the keyboard switch is effectively improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. The utility model provides a keyboard switch, includes upper cover (4) and button axle core (5), its characterized in that: the upper cover (4) comprises a sliding part (42), a sliding cavity (421) for the key shaft core (5) to slide is formed in the sliding part (42), and a sliding convex strip (422) for abutting against the key shaft core (5) is arranged on the cavity wall of the sliding cavity (421).

2. A keyboard switch as claimed in claim 1, wherein: the end face of the sliding convex strip (422) facing the sliding cavity (421) is a convex cambered surface.

3. A keyboard switch as claimed in claim 1, wherein: still include base (1), upper cover (4) are connected on base (1), button axle core (5) are including being used for with reference column (56) and the slip setting of base (1) conflict in sliding chamber (421) button seat (51), when reference column (56) contradict with base (1), button seat (51) are located sliding chamber (421) completely.

4. A keyboard switch as claimed in claim 1, wherein: the novel key shaft is characterized by further comprising a reset spring (6) used for driving the upper cover (4) to reset, wherein the upper cover (4) is provided with a top protruding block (425) used for being in conflict with the key shaft core (5), and when the reset spring (6) is in a natural state, the key shaft core (5) is in conflict with the top protruding block (425).

5. A keyboard switch as claimed in claim 1, wherein: the sliding part (42) is provided with a guide chute (424), and the key shaft core (5) comprises a guide sliding block (54) which is arranged in the guide chute (424) in a sliding way.

6. A keyboard switch as claimed in claim 1, wherein: the novel key shaft comprises a base (1), and is characterized by further comprising a reset spring (6) used for driving the upper cover (4) to reset, wherein the key shaft core (5) comprises a spring sleeve (55) sleeved on the reset spring (6) and a positioning column (56) used for abutting against the base (1), the reset spring (6) comprises a telescopic part (61) and a lower coil part (63) connected to the end part of the telescopic part (61), the lower coil part (63) abuts against the base (1), and the positioning column (56) is completely positioned in the spring sleeve (55) when abutting against the base (1).

7. A keyboard switch as claimed in claim 1, wherein: the novel light-transmitting cover is characterized by further comprising a light-transmitting block (7), wherein a mounting hole (412) is formed in the top wall of the upper cover (4), and the light-transmitting block (7) is arranged in the mounting hole (412).

8. A keyboard switch as in claim 7 wherein: a plurality of reflecting grooves (71) are formed in the top wall of the light-transmitting block (7).

9. A keyboard switch as claimed in claim 1, wherein: still include base (1), base (1) include pedestal (11) and cover establish and fix installation surrounding edge (12) on pedestal (11), pedestal (11) are provided with first connection structure, be provided with on upper cover (4) with first connection structure connection complex second connection structure, first connection structure is located one side that installation surrounding edge (12) is close to pedestal (11).

10. A keyboard switch as in claim 9 wherein: the base is characterized in that a slot (111) is formed in the side wall of the base (1), the first connecting structure is a clamping block (113) arranged on the slot wall of the slot (111), the second connecting structure is an upper clamping hook (411) arranged on the upper cover (4), the slot (111) is used for the upper clamping hook (411) to extend in, and the clamping block (113) is matched with the upper clamping hook (411) in a clamping manner.