CN212848152U

CN212848152U - Keyboard key

Info

Publication number: CN212848152U
Application number: CN202022261947.1U
Authority: CN
Inventors: 韩彩凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-03-30
Anticipated expiration: 2030-10-12

Abstract

The utility model belongs to the technical field of the button technique and specifically relates to indicate a keyboard button, including base, movable support, elasticity bounce and key cap, elasticity bounce sets up between base and key cap, the key cap is connected in the base via movable support lift, still be provided with between base and the key cap and press the lug, press lug and elasticity bounce and all be located the positive centre of key cap, elasticity bounce corresponds presses the lug setting, it is used for conflict elasticity bounce to press the lug. The utility model discloses a key cap's action is steady and accurate, has improved user's use effectively and has felt, is favorable to the user to judge and can both successfully trigger at every turn to press, has avoided appearing pressing but has not triggered the problem of success, just also avoids triggering bad condition, is favorable to resetting of key cap and movable support.

Description

Keyboard key

Technical Field

The utility model belongs to the technical field of the button technique and specifically relates to indicate a keyboard button.

Background

The keyboard is one of the commonly used computer peripheral products, the currently known keyboard is mainly divided into a mechanical keyboard, a capacitive keyboard and a thin-film keyboard, and the elastic trigger pieces in the keys of the existing keyboard are all arranged on one side or the side edges of the key caps (namely arranged on the non-middle positions of the key caps), however, in practical use, when people are in different applications, such as games, typing and office, the requirements for the hand feeling of the keyboard are different, the preferences of different people are also different, therefore, different users can press the other side of the key caps far away from the elastic trigger pieces to cause the key caps not to press the elastic trigger pieces, and finally the keys are easily in poor contact. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a can the sense of touch good, and solve the key cap and trigger the keyboard button of bad problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a keyboard key, its includes base, movable support, elasticity bounce and key cap, elasticity bounce sets up between base and key cap, the key cap is connected in the base via movable support lift, still be provided with between base and the key cap and press the lug, press lug and elasticity bounce and all be located the positive centre of key cap, elasticity bounce corresponds and presses the lug setting, it is used for the elasticity bounce of contradicting to press the lug.

Further, the base includes trigger assembly, trigger assembly includes mount and trigger switch, press the lug with the elasticity plays the piece and all is located between key cap and the trigger switch.

Further, the movable support comprises a first support, a second support and a reset elastic part, one end of the first support is movably connected with the keycap, the first support and the second support are arranged in a crossed mode, the other end of the first support is hinged to the base, one end of the second support is hinged to the base, the other end of the second support is hinged to the keycap, one end of the reset elastic part is connected with one end, close to the keycap, of the first support, and the other end of the reset elastic part is connected with the keycap or connected with the second support.

Further, the key cap is provided with the joint and detains, the joint is detained and is provided with the spout, the protruding axial region that is equipped with of one end that first support is close to the key cap, the axial region activity sets up in the spout.

Furthermore, the both sides of first support are provided with inserted block and slot respectively, the both sides of second support are provided with inserted block and slot respectively, the inserted block of first support mutually supports with the slot of second support, the slot of first support mutually supports with the inserted block of second support.

Furthermore, the base further comprises a key starting plate and a moving plate, the key starting plate is arranged above the trigger assembly in a sliding mode, and the moving plate is arranged below the trigger assembly in a sliding mode; one end of the first support, which is far away from the keycap, is rotatably connected with the trigger assembly, and one end of the second support, which is far away from the keycap, is rotatably connected with the moving plate; and one side of the key-lifting plate, which is close to the key cap, is provided with an inclined plane top block which is used for abutting against the key cap and jacking up the key cap.

Further, the base still includes the drive block, the key board is connected with first connecting rod, the movable plate is connected with the second connecting rod, first connecting rod is connected with first and leads the slider, the second connecting rod is connected with the second and leads the slider, the drive block is provided with first drive groove and second drive groove, first lead the slider and stretch to first drive inslot suddenly, the second is led the slider and stretch to the second drive inslot suddenly, the moving direction of key board is parallel with the moving direction of movable plate, the moving direction of key board and the moving direction cross arrangement of drive block.

Furthermore, the base also comprises a first guide assembly for guiding the movement of the driving block, a second guide assembly for guiding the movement of the first connecting rod and a third guide assembly for guiding the movement of the second connecting rod.

Furthermore, the keyboard key further comprises a balance rod, one end of the balance rod is hinged with the trigger assembly, and the other end of the balance rod is movably connected with the keycap.

Further, the trigger switch is a photoelectric switch, a membrane switch, a mechanical switch or a magnetic induction switch.

The utility model has the advantages that: the utility model provides a keyboard key, it is through setting up the cooperation of pressing lug and elasticity bounce-off piece, elasticity bounce-off piece has certain elasticity, makes the key cap have the bounce-off and feels from this, has improved user's use feeling and feedback sense effectively; meanwhile, the elastic bouncing piece and the pressing bump are arranged in the middle of the keycap, so that the keycap can smoothly, stably and accurately trigger the membrane switch no matter a user presses any one position of the keycap, and the problem of poor triggering of the keycap is solved; moreover, the structural design of the embodiment also enables the bouncing action of the keycap to be more stable and accurate.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is the utility model discloses a spatial structure schematic diagram behind hidden apron and the key cap.

Fig. 3 is a schematic view of the three-dimensional structure of the key cap, the balance bar and the movable support of the present invention.

Fig. 4 is a cross-sectional view of the keycap of the present invention in a retracted state.

Fig. 5 is a cross-sectional view of the key cap of the present invention in a raised state.

Fig. 6 is a cross-sectional view of the key cap of the present invention in a pressed state.

Fig. 7 is an exploded schematic view of the base of the present invention.

Fig. 8 is an exploded schematic view of the first and second brackets of the present invention.

Fig. 9 is an exploded view of the first and second brackets of the present invention from another perspective.

Description of reference numerals:

1. a base; 11. a key-up plate; 12. a trigger component; 13. moving the plate; 14. a drive block; 15. a first link; 16. a second link; 17. a first drive slot; 18. a second driving groove; 19. a bevel ejector block; 2. a movable support; 21. a first bracket; 211. inserting a block; 212. a slot; 22. a second bracket; 23. a restoring elastic member; 24. a shaft portion; 3. an elastic bouncing member; 31. a deformation section; 32. a contact block; 33. a deformation groove; 34. a trigger block; 4. a keycap; 41. pressing the bump; 42. a clamping buckle; 43. a chute; 5. a first guide assembly; 51. a second guide assembly; 52. a third guide assembly; 6. a balancing pole; 8. a cover plate; 81. a via hole; 91. a fixed mount; 92. a diffusion sheet; 93. an LED lamp; 94. a circuit board; 95. the switch is triggered.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 9, the utility model provides a pair of keyboard key, it includes base 1, movable support 2, elasticity bounce piece 3 and key cap 4, elasticity bounce piece 3 sets up between base 1 and key cap 4, key cap 4 goes up and down to be connected in base 1 via movable support 2, still be provided with between base 1 and the key cap 4 and press lug 41, press lug 41 and elasticity bounce piece 3 and all be located the positive centre of key cap 4 (be located the positive centre of the bottom surface of key cap 4 promptly), elasticity bounce piece 3 corresponds presses lug 41 and sets up, press lug 41 and be used for conflicting elasticity bounce piece 3. Specifically, the cooperation of the pressing bump 41 and the elastic bouncing member 3 plays a role of elastic triggering; the pressing convex block 41 and the elastic bouncing member 3 are positioned in the center of the key cap 4 and are positioned right below the key cap 4. The base 1 comprises a trigger assembly 12, the trigger assembly 12 comprises a fixing frame 91 and a trigger switch 95, and the pressing bump 41 and the elastic bouncing member 3 are both positioned between the keycap 4 and the trigger switch 95; the elastic spring 3 or the pressing projection 41 is used to trigger the trigger switch 95. When the key cap 4 is pressed down, the chip is triggered according to a signal or a change in a signal detected by the trigger switch 95.

Preferably, the trigger switch 95 is an electro-optical switch, a membrane switch, a mechanical switch or a magnetic induction switch. The keyboard commonly used at present is a membrane switch type keyboard, the interior of the membrane switch type keyboard is divided into three layers, the upper layer is a positive electrode circuit, the lower layer is a negative electrode circuit, and the middle layer is an adhesive sandwiched layer. When a finger presses down from the keycap 4, the upper layer (the positive electrode circuit) and the lower layer (the negative electrode circuit) are in contact with each other to be electrified or are in distance change conduction, and then the switch triggering is completed.

Preferably, a pressing convex block 41 is arranged between the key cap 4 and the base 1, and the elastic upspring piece 3 is arranged between the base 1 and the key cap 4; one of the modes of the structural design is as follows: the elastic bouncing member 3 is arranged on the key cap 4 (i.e. the elastic bouncing member 3 is arranged on the bottom surface of the key cap 4), and the pressing bump 41 is arranged on the trigger switch 95 (i.e. the pressing bump 41 is arranged on the trigger switch 95); another way of the structural design is: the elastic bouncing member 3 is disposed on the trigger switch 95 (i.e. the elastic bouncing member 3 is disposed on the trigger switch 95), and the pressing protrusion 41 is disposed on the key top 4 (i.e. the pressing protrusion 41 is disposed on the bottom surface of the key top 4). In this embodiment, the structure in which the elastic bouncing member 3 is disposed on the key top 4 and the pressing protrusion 41 is disposed on the trigger switch 95 is exemplified.

In practical application, the keycap 4 can move up and down under the action of the movable support 2, that is, the keycap 4 can be pressed to input contents; in the process of pressing the keycap 4, the keycap 4 moves downwards, the keycap 4 moving downwards drives the pressing convex block 41 to move towards the direction close to the elastic bouncing member 3 until the pressing convex block 41 applies extrusion force to the elastic bouncing member 3, so that the elastic bouncing member 3 is elastically deformed to trigger the trigger switch 95 in the base 1, and the purpose of trigger control is achieved; and also plays a role of bouncing up the keycap 4. By additionally arranging the matching of the pressing bump 41 and the elastic bouncing member 3, the elastic bouncing member 3 has certain elasticity, so that the keycap 4 has a bouncing feeling, and the use hand feeling and the feedback feeling of a user are effectively improved; meanwhile, the elastic upspring piece 3 and the pressing bump 41 are arranged at the middle of the bottom surface of the keycap 4, so that the keycap 4 can smoothly, stably and accurately trigger the trigger switch 95 no matter the user presses any position of the keycap 4, and the problem of poor triggering of the keycap 4 is solved; and the structural design of the embodiment also enables the bouncing action of the keycap 4 to be more stable and accurate. In addition, because the elastic bouncing member 3 has certain elasticity, after the pressing force on the keycap 4 is released, the elastic bouncing member 3 can restore to the shape, and the keycap 4 is driven to move upwards in a resetting way under the action of the rebounding force of the elastic bouncing member 3, so that the resetting of the keycap 4 and the movable support 2 is facilitated.

In this embodiment, the triggering assembly 12 further includes a diffusion sheet 92, an LED lamp 93, and a circuit board 94, the triggering switch 95, the diffusion sheet 92, the LED lamp 93, and the circuit board 94 are sequentially disposed from top to bottom, the diffusion sheet 92 and the circuit board 94 are clamped in the fixing frame 91, and the LED lamp 93 is electrically connected to the circuit board 94.

In this embodiment, the elastic bouncing member 3 includes a deformation portion 31 connected to the base 1 and a contact block 32 connected to the deformation portion 31, and the contact block 32 is used for contacting and pressing the protrusion 41; specifically, the concave deformation groove 33 that is equipped with in bottom surface of deformation portion 31, the protruding trigger block 34 that is equipped with of roof of deformation groove 33, trigger switch 95 is located deformation groove 33, deformation portion 31's transversal is circular-arcly personally submitted, the piece 32 that supports is located deformation portion 31's middle part, the central axis of trigger block 34 and the central axis coincidence that the lug 41 was pressed in the conflict. In practical application, the keycap 4 is pressed to move the keycap 4 downwards, the pressing bump 41 of the keycap 4 which moves downwards presses the contact block 32, the contact block 32 presses the deformation portion 31, the middle position of the deformation portion 31 deforms downwards, the trigger block 34 moves downwards, and the trigger switch 95 is pressed by the trigger block 34 which moves downwards; the deformation groove 33 provides a space for the deformation of the deformation part 31; the elasticity of the elastic bouncing piece 3 with the structural design is good, the service life is long, and the experience of a user is further improved.

In this embodiment, the movable support 2 includes a first support 21, a second support 22 and a reset elastic element 23, one end of the first support 21 is movably connected with the keycap 4, the first support 21 and the second support 22 are arranged in a crossed manner, and the first support 21 and the second support 22 do not need to be connected by a pin shaft, so that the use of parts is saved, the structure is more compact, and the movement is smoother; the other end of the first support 21 is hinged with the base 1, one end of the second support 22 is hinged with the base 1, the other end of the second support 22 is hinged with the keycap 4, one end of the reset elastic piece 23 is connected with one end of the first support 21 close to the keycap 4, and the other end of the reset elastic piece 23 is connected with the keycap 4 or the second support 22; specifically, first support 21 and second support 22 all are the U type, the elastic component 23 that resets is the spring, the key cap 4 is provided with joint knot 42, joint knot 42 is provided with spout 43, the protruding axial region 24 that is equipped with of one end that first support 21 is close to key cap 4, axial region 24 activity sets up in spout 43.

In practical applications, when the key cap 4 is pressed, the second support 22 rotates downward, and at the same time, the first support 21 also rotates downward along with the descending of the key cap 4, and while the first support 21 rotates, the shaft portion 24 thereof moves in the sliding slot 43 in a direction away from the second support 22, so that the key cap 4 can be pressed, and the pressed key cap 4 triggers the trigger switch 95 via the elastic bouncing member 3; after the keycap 4 is pressed, the movement of the first support 21 stretches the reset elastic piece 23, so that the reset elastic piece 23 stores elastic potential energy; when the key cap 4 is released and pressed, the reset elastic piece 23 pulls the first support 21 to reset under the action of the elastic force of the reset elastic piece, so that the first support 21 rotates upwards, and the first support 21 rotating upwards drives the key cap 4 to ascend, so that the key cap 4 is reset; in the process of resetting the key cap 4, the elastic bouncing member 3 plays an auxiliary role.

In this embodiment, the base 1 further includes a key-starting plate 11 and a moving plate 13, the key-starting plate 11 is slidably disposed above the trigger assembly 12, and the moving plate 13 is slidably disposed below the trigger assembly 12; one end of the first bracket 21, which is far away from the keycap 4, is rotatably connected with the trigger assembly 12, and one end of the second bracket 22, which is far away from the keycap 4, is rotatably connected with the moving plate 13; and a slope top block 19 which is used for abutting against the keycap 4 and jacking the keycap 4 is arranged on one side of the key lifting plate 11 close to the keycap 4.

In practical application, in order to enable the keycap 4 to be folded in the base 1, the moving plate 13 can be driven to move leftwards, the moving plate 13 moving leftwards drives the bottom end of the second support 22 to move, the moving second support 22 rotates downwards, and the rotating second support 22 drives the keycap 4 to descend until the keycap 4 is folded in the base 1, so that the keycap 4 can descend and be folded when not in use, thereby reducing the thickness of the keyboard, and the state of the keyboard is as shown in fig. 4; on the contrary, the moving plate 13 is driven to move rightwards, and during the moving process, the inclined plane top block 19 can abut against the keycap 4 to lift, and the state is shown in fig. 5.

In this embodiment, the base 1 further includes a driving block 14, the key plate 11 is connected to a first connecting rod 15, the moving plate 13 is connected to a second connecting rod 16, the first connecting rod 15 is connected to a first sliding guide piece, the second connecting rod 16 is connected to a second sliding guide piece, the driving block 14 is provided with a first driving groove 17 and a second driving groove 18, the first sliding guide piece protrudes into the first driving groove 17, the second sliding guide piece protrudes into the second driving groove 18, the moving direction of the key plate 11 is parallel to the moving direction of the moving plate 13, and the moving direction of the key plate 11 and the moving direction of the driving block 14 are arranged in a crossing manner. Preferably, the moving direction of the key plate 11 is perpendicular to the moving direction of the driving block 14, and the first and second sliding guides may be rollers or bearings.

In practical application, the driving block 14 is driven to reciprocate, the first driving slot 17 of the reciprocating driving block 14 abuts against the first slide guide piece, so that the first slide guide piece reciprocates along the track of the first driving slot 17, the reciprocating first slide guide piece pulls the key board 11 to reciprocate via the first connecting rod 15, meanwhile, the second driving slot 18 abuts against the second slide guide piece, so that the second slide guide piece reciprocates along the track of the second driving slot 18, and the reciprocating second slide guide piece pulls the moving board 13 to reciprocate via the second connecting rod 16, so that the key board 11 and the moving board 13 synchronously move, and therefore, the key cap 4 is folded and lifted. The keycap 4 can be folded and lifted only by driving the driving block 14 to move, and the operation is simple, convenient, time-saving and labor-saving.

In this embodiment, the base 1 further includes a first guide assembly 5 for guiding the movement of the driving block 14, a second guide assembly 51 for guiding the movement of the first link 15, and a third guide assembly 52 for guiding the movement of the second link 16; in particular, the first guide assembly 5, the second guide assembly 51 and the third guide assembly 52 each comprise at least one pair of guide wheels or bearings. The first guide assembly 5 guides the movement of the driving block 14, the second guide assembly 51 guides the movement of the first connecting rod 15, and the third guide assembly 52 guides the movement of the second connecting rod 16, so that the driving block 14, the first connecting rod 15 and the second connecting rod 16 can stably and smoothly move.

In this embodiment, the keyboard key further comprises a balance bar 6, one end of the balance bar 6 is hinged to the trigger component 12, and the other end of the balance bar 6 is movably connected with the keycap 4; in particular, the balancing bar 6 is U-shaped. In practical application, the balance rod 6 rotates upwards or downwards along with the lifting of the keycap 4, and the rotating balance rod 6 is used for providing balance supporting force for the keycap 4 so as to ensure the working stability of the keycap 4 and avoid the problem of skew jamming or poor contact when the keycap 4 is pressed.

Specifically, the base 1 is covered with a cover plate 8, the cover plate 8 is provided with a through hole 81, and the keycap 4 protrudes out of the cover plate 8 through the through hole 81.

Specifically, two sides of the first support 21 are respectively provided with an insertion block 211 and an insertion slot 212, two sides of the second support 22 are respectively provided with an insertion block 211 and an insertion slot 212, the insertion block 211 of the first support 21 is matched with the insertion slot 212 of the second support 22, the insertion slot 212 of the first support 21 is matched with the insertion block 211 of the second support 22, and the insertion slot 212 is horn-shaped; the insertion blocks 211 and the insertion grooves 212 are respectively arranged on the outer side walls of the two side bars of the first bracket 21, the insertion blocks 211 and the insertion grooves 212 are respectively arranged on the inner side walls of the two side bars of the second bracket 22, and the insertion blocks 211 of the first bracket 21 and the insertion grooves 212 of the second bracket 22 are correspondingly arranged.

In practical applications, the first bracket 21 and the second bracket 22 are disposed in a crossed manner, so that the insertion block 211 of the first bracket 21 is inserted into the insertion slot 212 of the second bracket 22, and meanwhile, the insertion block 211 of the second bracket 22 is also inserted into the insertion slot 212 of the first bracket 21. When the second support 22 rotates, the insert 211 is driven to rotate, the slot wall of the slot 212 of the rotating insert 211 and the slot wall of the first support 21 are abutted, and therefore the first support 21 is driven to rotate synchronously, so that the rotation of the first support 21 and the second support 22 is more accurate, and the lifting stability and the lifting accuracy of the keycap 4 are improved. The structure has simple and compact design and stable and reliable operation.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A keyboard key, comprising: including base, movable support, elasticity bounce and key cap, elasticity bounce sets up between base and key cap, the key cap via movable support lift connection in base, still be provided with between base and the key cap and press the lug, press lug and elasticity bounce and all be located the centre of key cap, elasticity bounce corresponds and presses the lug setting, it is used for conflict elasticity bounce to press the lug.

2. The keyboard key of claim 1, wherein: the base includes trigger assembly, trigger assembly includes mount and trigger switch, press the lug with the elasticity plays the piece and all is located between key cap and the trigger switch.

3. A keyboard key according to claim 2, wherein: the movable support comprises a first support, a second support and a reset elastic part, one end of the first support is movably connected with the keycap, the first support and the second support are arranged in a crossed mode, the other end of the first support is hinged to the base, one end of the second support is hinged to the base, the other end of the second support is hinged to the keycap, one end of the reset elastic part is connected with one end, close to the keycap, of the first support, and the other end of the reset elastic part is connected with the keycap or connected with the second support.

4. A keyboard key according to claim 3, wherein: the key cap is provided with the joint and detains, the joint is detained and is provided with the spout, the protruding axial region that is equipped with of one end that first support is close to the key cap, the axial region activity sets up in the spout.

5. A keyboard key according to claim 3, wherein: the both sides of first support are provided with inserted block and slot respectively, the both sides of second support are provided with inserted block and slot respectively, the inserted block of first support mutually supports with the slot of second support, the slot of first support mutually supports with the inserted block of second support.

6. A keyboard key according to claim 3, wherein: the base further comprises a key starting plate and a moving plate, the key starting plate is arranged above the trigger assembly in a sliding mode, and the moving plate is arranged below the trigger assembly in a sliding mode; one end of the first support, which is far away from the keycap, is rotatably connected with the trigger assembly, and one end of the second support, which is far away from the keycap, is rotatably connected with the moving plate; and one side of the key-lifting plate, which is close to the key cap, is provided with an inclined plane top block which is used for abutting against the key cap and jacking up the key cap.

7. The keyboard key of claim 6, wherein: the base still includes the drive block, it is connected with first connecting rod to play the keypad, the movable plate is connected with the second connecting rod, first connecting rod is connected with first slider that leads, the second connecting rod is connected with the second and leads the slider, the drive block is provided with first drive groove and second drive groove, first slide that leads stretches to in the first drive groove, the second is led in the slide stretches to the second drive groove, the moving direction of playing the keypad is parallel with the moving direction of movable plate, the moving direction of playing the keypad and the moving direction cross arrangement of drive block.

8. The keyboard key of claim 7, wherein: the base further comprises a first guide assembly used for guiding the movement of the driving block, a second guide assembly used for guiding the movement of the first connecting rod and a third guide assembly used for guiding the movement of the second connecting rod.

9. A keyboard key according to claim 2 or 3, wherein: the keyboard key further comprises a balance rod, one end of the balance rod is hinged to the trigger assembly, and the other end of the balance rod is movably connected with the keycap.

10. A keyboard key according to claim 2, wherein: the trigger switch is a photoelectric switch, a membrane switch, a mechanical switch or a magnetic induction switch.