CN209731210U - A kind of keyboard of integral type light-sensitive element - Google Patents

Abstract

The utility model provides a kind of keyboard of integral type light-sensitive element, including key, and the key includes: keycap, protrudes from surface of keyboard；Key body is arranged below the keycap, for providing elastic-restoring force；And bottom plate, it is arranged below the key body, the output key signal for key triggering.Compared with the relevant technologies, the photosensitive keyboard of notebook provided by the utility model, save the cost, compression number is high, and photosensitive triggering is accurate, durable.

Description

A kind of keyboard of integral type light-sensitive element

Technical field

The utility model relates to computer equipment technical field more particularly to a kind of keyboards of integral type light-sensitive element.

Background technique

In order to allow the user for electronic equipment to input, keyboard is commonly known in the art.Keyboard includes position Several keys in several places in the top section of the keyboard are recessed or are open.The key, which may be electrically connected to, is located at electricity Printed circuit board in sub- equipment.It generally includes and specification as keyboard type.In other words, at least part of printed circuit board Below each key.Printed circuit board may include several switches or other assemblies, to when the button is pressed, touch Send out output key signal.

Keyboard of notebook computer in the prior art mostly uses greatly the structure of keycap, pressing structure and wiring board, but presses Structure usually uses scissors foot support and spring to cooperate, and compression number is low, and use is not durable enough, greatly reduces the use of keyboard Service life, and separate type sensing device is usually used, structure is complicated, and induction precision is low, and processing cost is high.

Therefore, it is necessary to a kind of a kind of keyboard of novel integral type light-sensitive element be provided, to overcome drawbacks described above.

Utility model content

The purpose of this utility model is to provide a kind of a kind of keyboard of novel integral type light-sensitive element, a kind of one The keyboard save the cost of formula light-sensitive element, compression number is high, and photosensitive triggering is accurate, durable.

In order to achieve the above object, the utility model provides a kind of keyboard of integral type light-sensitive element, including key, described Key includes:

Keycap protrudes from surface of keyboard；

Key body is arranged below the keycap, for providing elastic-restoring force and sense of touch；

And bottom plate, it is arranged below the key body, the output key signal for key triggering；

Wherein, the key body includes shell and the central spindle for being embedded at the shell, and it is photosensitive that the bottom plate is equipped with integral type The bottom of element, the central spindle is equipped with signal partition, and the key body can make signal partition position under the action of pressing force Optical path is blocked in the intermediate space of the integral type light-sensitive element to one push button signalling of output.

Further, elastic slice is provided in the shell, the elastic slice is used to cooperate with the central spindle, so as to the signal Partition is capable of resetting after blocking optical path and generates sense of touch.

Further, the integral type light-sensitive element includes pedestal and two supports that the pedestal opposite end is arranged in Column, the two support column intervals form an intermediate space, are equipped in one of them described support column and emit wafer, and remaining one It is equipped in a support column and receives wafer, the intermediate space is for accommodating signal partition.

Further, the elastic slice includes the fixed part abutted with the shell, from the vertically extending company of the fixed part Socket part, the curved portion being connect with the interconnecting piece and the elastic plate being connect with the curved portion.

Further, the elastic plate include the plate ontology being connect with the curved portion, from plate ontology two sides bend The support arm of extension and the abutment arms extended from support arm bending, the abutment arms are from the support arm to the fixation The direction bending in portion extends to form.

Further, fixed part position corresponding with the abutment arms is equipped with groove, and the groove is arranged in institute The two sides of interconnecting piece are stated, and are recessed to be formed close to a laterally opposed other side of the interconnecting piece from the fixed part.

Further, the central spindle also includes the stem being arranged in above the signal partition, signal partition face institute The position for stating stem is equipped with through-hole, and the lower end of the stem is arranged across the through-hole.

Further, the shell includes the upper cover to match with the keycap shape and is mutually clamped with the upper cover Pedestal, the pedestal are in square, and the pedestal is equipped with the accommodation groove for accommodating the elastic slice and for leading to the signal partition To guide groove, the side where the accommodation groove is mutually perpendicular to the side where the guide groove.

Further, the lower end of the stem is equipped with spring, and the spring one end is connected to the stem, and the other end abuts Pedestal on the shell.

Further, the bottom plate includes fixed plate and pcb board, and the fixed plate is described for fixing the key body Pcb board is equipped with LED light and the integral type light-sensitive element, and guide groove described in the integral type light-sensitive element face is arranged, with Toilet states signal partition and the integral type light-sensitive element mutual cooperation output key signal.

Compared with the relevant technologies, a kind of keyboard of integral type light-sensitive element of the utility model passes through the photosensitive member of integral type Part is matched with signal partition, and compared to separate type sensing device, induction is sensitiveer, reduces device, and integral type light-sensitive element adds Work process is simply disposably completed, save the cost；Elastic slice is set in key body, the elastic recovery provided using elastic slice and spring Power can guarantee that key-press input is stablized, and triggering is accurate, and compression number is high, and long service life is durable.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, and the drawings in the following description are merely some embodiments of the present invention, for this For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others Attached drawing, in which:

Fig. 1 is the key perspective view of the utility model；

Fig. 2 is the key stereogram exploded view of the utility model

Fig. 3 is the key explosive view of the utility model；

Fig. 4 is the elastic piece structure schematic diagram of the utility model；

Fig. 5 is the first visual angle of key cross-sectional view of the utility model；

Fig. 6 is the second visual angle of key cross-sectional view of the utility model；

Fig. 7 is the structural schematic diagram of the integral type light-sensitive element of the utility model.

Specific embodiment

Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

Fig. 1 and 2, a kind of keyboard of integral type light-sensitive element are please referred to, including key, the key include: keycap 1, protrude from surface of keyboard；Key body 2 is arranged below the keycap 1, for providing elastic-restoring force；And bottom plate 3, setting Below the key body 2, the output key signal for key triggering.

Such as Fig. 3 and 5, the key body 2 includes shell 21 and the central spindle 22 for being embedded at the shell 21, the central spindle 22 Can be mobile to pressing direction when keyboard receives press pressure, carry out button operation.

The bottom plate 3 is equipped with integral type light-sensitive element 30, and the central spindle 22 includes signal partition 221, and the key body 2 is being pressed The signal partition 221 can be made to be embedded at the intermediate space of the integral type light-sensitive element 30 to export under the action of pressure One push button signalling.

The key body 2 further includes the elastic slice 4 being arranged in the shell 21, and the elastic slice 4 with the central spindle 22 for matching It closes, so that the signal partition 221 can move up and down in the intermediate space of the integral type light-sensitive element 30.

Such as Fig. 4 and 6, the elastic slice 4 includes the fixed part 41 abutted with the shell 21, prolongs from the fixed part 41 is vertical The interconnecting piece 42 stretched, the curved portion 43 being connect with the interconnecting piece 42 and the elastic plate 44 being connect with the curved portion 43.

The elastic plate 44 include the plate ontology 441 being connect with the curved portion 43, from 441 two sides of plate ontology bend The support arm 442 of extension and the abutment arms 443 extended from the support arm 442 bending, the plate ontology 441 is to the connection The direction in portion 42 extends, and the extended line of 441 tail end of plate ontology and the interconnecting piece 42 are arranged in certain intersecting angle, The abutment arms 443 bend from the support arm 442 to the direction of the fixed part 41 and extend to form.The elastic plate 44 is used for It is abutted with the signal partition 221, is limited and provided elastic-restoring force.

The fixed part 41 position corresponding with the abutment arms 443 is equipped with groove 410, and the setting of groove 410 exists The two sides of the interconnecting piece 42, and be recessed from the fixed part 41 close to a laterally opposed other side of the interconnecting piece 42 It is formed.The bending of curved portion 43 enables to the abutment arms 443 mobile to the groove 410, thus not to the letter Number partition 221 is limited, and the signal partition 221 is moved down under pressing force effect.

The central spindle 22 further includes the stem 222 that 221 top of signal partition is arranged in, and the signal partition 221 is just Through-hole 2210 is equipped with to the position of the stem 222, the stem 222 is arranged across the through-hole 2210.The stem 222 leans on One end of the nearly bottom plate 1 is arranged with spring 220, and described 220 one end of spring is connected to the stem 222, and the other end is connected to The shell 21.

The shell 21 includes the upper cover 211 to match with 1 shape of keycap and is mutually clamped with the upper cover 211 Pedestal 212, the pedestal 212 is in square, and the pedestal 212 is equipped with the accommodation groove 2120 for accommodating the elastic slice 4 and is used for Side and 2121 institute of guide groove to the guide groove 2121 that the signal partition 221 is oriented to, where the accommodation groove 2120 Side be mutually perpendicular to.

The bottom plate 3 includes fixed plate 31 and pcb board 32, and the fixed plate 31 is used to fix the key body 2, described Pcb board 32 is for being arranged LED light 33 and light-sensitive element 30, to generate push button signalling, 30 face of integral type light-sensitive element The guide groove 2121 is arranged, so that the signal partition 221 cooperates with the integral type light-sensitive element 30, inputs key Signal.

Such as Fig. 7, the integral type light-sensitive element 30, using integrated molding, and the structure that is centrosymmetric, including pedestal 301 With two support columns 302 that 301 opposite end of pedestal is arranged in, two intervals of support column 302 form an intermediate space, It is equipped with transmitting wafer in one of them described support column 302, is equipped in a remaining support column 302 and receives wafer, institute Intermediate space is stated for accommodating signal partition 221.It is integrated in a device using that will emit wafer and receive wafer, structure letter Single, stability is good, save the cost.Two one end of the support column far from the pedestal are in inclined-plane, the extension on two inclined-planes Line intersects at the center line of the integral type light-sensitive element.One of them described inclined-plane is signal transmitting terminal, opposite another The inclined-plane is signal receiving end.The center line of the inclined-plane and the integral type light-sensitive element is in be arranged less than 90 °.On inclined-plane Setting signal receiving end and signal transmitting terminal, and can guarantee signal transmission precision using less than 90 ° settings, improve light-sensitive element Sensitivity

Specifically, the stem receives pressing force when being pressed, starts compressed spring and move down, it is described at this time The lower section of the stem is arranged in signal partition, when the stem is abutted with the signal partition, and drives the signal partition The elastic slice is squeezed, continues to move down, this structure enables to signal partition and stem to issue pressing for " rattling away " in pressing The abutment arms of key sound, the elastic slice are mobile to the groove direction, so that the signal partition can be in the guide groove Guiding role under accurately slide into the intermediate space of the integral type light-sensitive element, generate a push button signalling, the PCB Push button signalling is transferred to computer terminal and completes key-press input by plate；After the completion of input, pressing force disappears, and the stem is in the bullet It is moved up under the action of spring, replys initial position, the elastic slice is under the action of elastic-restoring force, so that the signal partition The intermediate space for leaving the integral type light-sensitive element, prepares key-press input next time.

Compared with the relevant technologies, a kind of keyboard of integral type light-sensitive element of the utility model is photosensitive by integral type Element is matched with signal partition, compared to separate type sensing device, incudes sensitiveer, reduction device, save the cost；In key body Interior setting elastic slice, the elastic-restoring force provided using elastic slice and spring can guarantee that key-press input is stablized, and triggering is accurate, pressing Number is high, and long service life is durable.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other relevant technical fields, are also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of keyboard of integral type light-sensitive element, including key, which is characterized in that the key includes:

Keycap protrudes from surface of keyboard；

Key body is arranged below the keycap, for providing elastic-restoring force and sense of touch；

And bottom plate, it is arranged below the key body, the output key signal for key triggering；

Wherein, the key body includes shell and the central spindle for being embedded at the shell, and the bottom plate is equipped with integral type light-sensitive element, The bottom of the central spindle is equipped with signal partition, and it is described that the key body can be such that the signal partition is located under the action of pressing force The intermediate space of integral type light-sensitive element blocks optical path to one push button signalling of output；

The integral type light-sensitive element, using integrated molding, and the structure that is centrosymmetric, including pedestal and setting are in the pedestal Two support columns of opposite end, the two support column intervals form an intermediate space, are equipped in one of them described support column Emit wafer, is equipped in a remaining support column and receives wafer, the intermediate space is for accommodating signal partition；Using Transmitting wafer and reception wafer are integrated in a device；Two one end of the support column far from the pedestal are in inclined-plane, The extended line on two inclined-planes intersects at the center line of the integral type light-sensitive element；One of them described inclined-plane is signal transmitting End, another opposite described inclined-plane are signal receiving end；The center line of the inclined-plane and the integral type light-sensitive element is in small It is arranged in 90 °；Setting signal receiving end and signal transmitting terminal on inclined-plane.

2. a kind of keyboard of integral type light-sensitive element according to claim 1, it is characterised in that: be provided in the shell Elastic slice, the elastic slice is used to cooperate with the central spindle, so that the signal partition is capable of resetting after blocking optical path and generates touching Sense.

3. a kind of keyboard of integral type light-sensitive element according to claim 1, it is characterised in that: the photosensitive member of integral type Part includes pedestal and two support columns that the pedestal opposite end is arranged in, and the two support column intervals form a middle ware Gap is equipped with transmitting wafer in one of them described support column, is equipped in a remaining support column and receives wafer, it is described in Between gap for accommodating signal partition.

4. a kind of keyboard of integral type light-sensitive element according to claim 2, it is characterised in that: the elastic slice includes and institute State shell abutting fixed part, from the vertically extending interconnecting piece of the fixed part, the curved portion being connect with the interconnecting piece and The elastic plate being connect with the curved portion.

5. a kind of keyboard of integral type light-sensitive element according to claim 4, it is characterised in that: the elastic plate include with The plate ontology of the curved portion connection prolongs from the support arm of plate ontology two sides bending extension and from support arm bending The abutment arms stretched, the abutment arms bend from the support arm to the direction of the fixed part and extend to form.

6. a kind of keyboard of integral type light-sensitive element according to claim 4, it is characterised in that: the fixed part with it is described The corresponding position of abutment arms is equipped with groove, and the two sides of the interconnecting piece are arranged in the groove, and close from the fixed part The laterally opposed other side of the one of the interconnecting piece is recessed to be formed.

7. a kind of keyboard of integral type light-sensitive element according to claim 2, it is characterised in that: the central spindle also includes setting Stem above the signal partition, the position of stem described in the signal partition face are equipped with through-hole, under the stem End is arranged across the through-hole.

8. a kind of keyboard of integral type light-sensitive element according to claim 6, it is characterised in that: the shell includes and institute The upper cover and the pedestal being mutually clamped with the upper cover that keycap shape matches are stated, the pedestal is in square, and the pedestal is set Have the accommodation groove for accommodating the elastic slice and the guide groove for being oriented to the signal partition, the side where the accommodation groove with Side where the guide groove is mutually perpendicular to.

9. a kind of keyboard of integral type light-sensitive element according to claim 7, it is characterised in that: the lower end of the stem is set There is spring, the spring one end is connected to the stem, and the other end is connected to the pedestal on the shell.

10. a kind of keyboard of integral type light-sensitive element according to claim 8, it is characterised in that: the bottom plate includes solid Fixed board and pcb board, the fixed plate is for fixing the key body, and the pcb board is equipped with LED light and the integral type is photosensitive Element, the setting of guide groove described in the integral type light-sensitive element face, so as to the signal partition and the photosensitive member of the integral type Part mutual cooperation output key signal.