CN220155420U - Key with touch feedback function and keyboard thereof - Google Patents

Abstract

The utility model relates to a key with touch feedback and a keyboard thereof, which belong to the technical field of keyboards, and comprise a key body, wherein the key body comprises a shell, a switch shaft core, an elastic reset piece and a terminal assembly, a linear motor is further arranged in the shell, the bottom of the linear motor is a motor pin, the motor pin extends to the bottom end surface of the shell, the motor pin is electrically connected with a positive electrode pin and a negative electrode pin, so that the vibration amplitude, the vibration duration and the vibration frequency of the linear motor are edited in a self-defining way, a user can obtain diversified touch feedback when using the key and the keyboard, the motor pin extends to the bottom end surface of the shell, and the motor pin is electrically connected with the positive electrode pin and the negative electrode pin, and the response speed of the linear motor is consistent with the touch of the key by taking the touch signal of the key as a reference, thereby improving the timeliness of the touch feedback of the key and the keyboard thereof.

Description

Key with touch feedback function and keyboard thereof

Technical Field

The utility model relates to the technical field of keyboards, in particular to a key with touch feedback and a keyboard thereof.

Background

A keyboard is a device for inputting instructions and data for operating a computer device, and also refers to a set of function keys arranged through the system to operate a machine or device. The keyboard is the most commonly used and main input device, and english letters, chinese characters, numerals, punctuation marks and the like can be input into a computer through the keyboard, so that commands, input data and the like can be sent to the computer.

The existing keyboard keys are provided with linear, segmented and sounding feedback signals, and only the switch shaft core and the lower cover are impacted to make sound or weak vibration, so that pressing feedback is provided for a user, the key feedback effect is determined through different switch shaft core structures, the key feedback effect cannot be selected in a self-defining mode, and the defect that the key feedback effect is single exists.

Therefore, there is a need for a key with tactile feedback and a keyboard thereof to solve the above problems.

Disclosure of Invention

The utility model aims to provide a key with touch feedback and a keyboard thereof, which aim to better solve the technical problems that the effect of key feedback is determined through different switch shaft core structures, the effect of key feedback cannot be selected in a self-defined way, and the key feedback effect is single.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a button with sense of touch feedback, including the button body, the button body includes the casing, the switch axle core, elastic reset piece and terminal subassembly, the bottom accessible elastic reset piece swing joint of switch axle core is in the inside of casing, and the top extensible of switch axle core is to the top face of casing, the terminal subassembly includes positive terminal and negative terminal, positive terminal's top is the shell fragment end, negative terminal's top is the contact terminal, positive terminal and negative terminal's bottom is anodal pin and negative terminal respectively, shell fragment end and contact terminal set up in the inside of casing and are located one side of switch axle core, shell fragment end and contact terminal accessible switch axle core are contradicted each other, anodal pin and negative terminal all extend to the bottom face of casing, the inside of casing still is equipped with linear motor, linear motor's bottom is the motor pin, the motor pin extends to the bottom face of casing, motor pin carries out electric connection with anodal pin and negative terminal.

In the above description, as a further scheme, the casing comprises button upper cover and button lower cover, and one side of button lower cover is equipped with the sunk groove of undercut, and one side of button upper cover is equipped with the clearance through-hole, and the bottom of linear motor is inlayed and is carried out fixed connection to the inslot that sinks, and the motor pin runs through the sunk groove and extends to the bottom end face of button lower cover, and when the button upper cover set up in the top of button lower cover, the top of linear motor can be inlayed and carry out fixed connection in the clearance through-hole.

In the above description, as a further scheme, one side of the button lower cover far away from the sinking groove is provided with two terminal slots, the positive terminal and the negative terminal are respectively inserted into the corresponding terminal slots, and the positive pin and the negative pin penetrate through the terminal slots and extend to the bottom end face of the button lower cover, and when the positive terminal and the negative terminal are inserted into the terminal slots, the contact end and the spring plate end are positioned at the same height.

In the above description, as a further scheme, a touch inclined plane inclined outwards is arranged in the middle of the switch shaft core, and when the switch shaft core moves downwards, the touch inclined plane is abutted against the contact end, and the contact end is bent towards one side of the spring plate end to be abutted against.

In the above description, as a further scheme, the bottom of the switch shaft core is a plug shaft, the center of the key lower cover is provided with an upward protruding plug protrusion, the plug protrusion is of a cylindrical hollow structure, the switch shaft core is plugged with the plug protrusion through the plug shaft in a vertically movable manner, the elastic reset piece is composed of a spring, one end of the spring is sleeved at the middle part of the switch shaft core, and the other end of the spring is sleeved on the surface of the plug protrusion.

In the above description, as a further scheme, four corners of the key upper cover are provided with fixing hooks protruding downwards, four corners of the key lower cover are provided with buckling grooves matched with the fixing hooks, and when the key upper cover is arranged at the top of the key lower cover, the key upper cover is buckled and fixed with the buckling grooves of the key lower cover through the fixing hooks.

The utility model provides a keyboard, includes key cap, keyboard PCB board and the button body among the above-mentioned scheme, the middle part of keyboard PCB board is equipped with a plurality of electrical socket, and electrical socket runs through the top face and the bottom face of keyboard PCB board, and motor pin, anodal pin and negative pole pin carry out electric connection with the electrical socket that corresponds respectively, and motor pin, anodal pin and negative pole pin carry out electric connection with keyboard PCB board through electrical socket.

In the above description, as a further scheme, the bottom of the keyboard PCB board is further provided with a key connector, the top end face of the key connector is provided with a plurality of fixing slots, the motor pin, the positive electrode pin and the negative electrode pin are detachably plugged with the corresponding electrical slots respectively, and the ends of the motor pin, the positive electrode pin and the negative electrode pin are plugged and fixed with the fixing slots of the key connector through the electrical slots respectively.

In the above description, as a further scheme, a key position fixing plate is further arranged above the keyboard PCB, a key position hole matched with the key body is formed in the middle of the key position fixing plate, an inwards-sunken limit groove is formed in the side wall of the shell, the groove width of the limit groove is consistent with the thickness of the key position fixing plate, and the middle of the shell can be inlaid into the key position hole through the limit groove.

In the above description, as a further scheme, the top end face of the key upper cover is provided with a clearance through hole, the top of the switch shaft core is an embedded part, the embedded part passes through the clearance through hole and extends to the top end face of the key upper cover, and the key cap is detachably connected with the embedded part.

Compared with the prior art, the utility model has the beneficial effects that:

according to the key with the touch feedback and the keyboard thereof, the linear motor is arranged in the shell, the bottom of the linear motor is provided with the motor pins, the linear motor is in contact installation with the shell of the key, and meanwhile, the linear motor can be electrically connected with the keyboard PCB, so that the vibration amplitude, the vibration duration and the vibration frequency of the linear motor can be edited in a customized way, and a user can obtain diversified touch feedback when using the key and the keyboard;

meanwhile, the motor pin extends to the bottom end surface of the shell, the motor pin is electrically connected with the anode pin and the cathode pin, and the response speed of the linear motor is consistent with the touch of the key by taking the touch signal of the key as a reference, so that the timeliness of the touch feedback of the key and the keyboard thereof is improved.

Drawings

FIG. 1 is a schematic perspective view of a key with tactile feedback according to the present utility model;

FIG. 2 is an exploded view of a key with tactile feedback according to the present utility model;

FIG. 3 is a schematic diagram illustrating an internal structure of a key with tactile feedback according to the present utility model;

FIG. 4 is a schematic perspective view of a keyboard according to the present utility model;

FIG. 5 is a schematic view of a keyboard according to the present utility model in a bottom direction;

FIG. 6 is an exploded view of a keyboard according to the present utility model;

FIG. 7 is a schematic diagram of an internal structure of a keyboard according to the present utility model;

in the figure: 1-key cap, 2-key body, 21-key upper cover, 211-clearance through hole, 212-fixed hook, 22-switch shaft core, 221-touch inclined plane, 222-plug shaft, 223-inlay, 23-key lower cover, 231-plug protrusion, 232-sink groove, 233-terminal slot, 234-buckle groove, 235-limit groove, 24-spring, 25-positive terminal, 251-shrapnel end, 252-positive pin, 26-negative terminal, 261-contact end, 261-negative pin, 27-linear motor, 271-motor pin, 3-keyboard PCB board, 31-electric slot, 4-key connector, 41-fixed slot, 5-key fixed plate, 51-key hole.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model. The present utility model will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1-7, a key with touch feedback is implemented, including a key body 2, the key body 2 includes a housing, a switch shaft 22, an elastic reset member and a terminal assembly, the bottom of the switch shaft 22 is movably connected to the inside of the housing through the switch shaft 22, the top of the switch shaft 22 is extendable to the top end of the housing, the terminal assembly includes a positive terminal 25 and a negative terminal 26, the top of the positive terminal 25 is a spring plate end 251, the top of the negative terminal 26 is a contact end 261, the bottoms of the positive terminal 25 and the negative terminal 26 are a positive pin 252 and a negative pin 261 respectively, the spring plate end 251 and the contact end 261 are disposed inside the housing and are located at one side of the switch shaft 22, the spring plate end 251 and the contact end 261 can mutually collide through the switch shaft 22, the positive pin 252 and the negative pin 261 are both extended to the bottom end of the housing, a linear motor 27 is disposed inside the housing, the bottom of the linear motor 27 is a motor pin 271 is extended to the bottom end of the housing, and the motor 271 is electrically connected with the positive pin 252 and the negative pin 261.

The vibration amplitude, the vibration duration and the vibration frequency of the linear motor 27 have the characteristic of customizable editing, and the inside of the shell is also provided with the structure of the linear motor 27, so that a user can obtain diversified tactile feedback when using keys and a keyboard.

Meanwhile, the motor pin 271 extends to the bottom end surface of the shell, the motor pin 271 is electrically connected with the positive electrode pin 252 and the negative electrode pin 261, and the response speed of the linear motor 27 is consistent with the touch of the key by taking the touch signal of the key as a reference, so that the timeliness of touch feedback of the key and the keyboard thereof is improved.

In some specific embodiments, as shown in fig. 2, the casing is composed of a key upper cover 21 and a key lower cover 23, a sunken groove 232 is formed on one side of the key lower cover 23, a clearance through hole 211 is formed on one side of the key upper cover 21, the bottom end of the linear motor 27 is embedded into the sunken groove 232 for fixed connection, the motor pin 271 extends to the bottom end surface of the key lower cover 23 through the sunken groove 232, and when the key upper cover 21 is arranged on the top of the key lower cover 23, the top end of the linear motor 27 can be embedded into the clearance through hole 211 for fixed connection. The linear motor 27 is detachably mounted to the inside of the housing through the clearance through hole 211 and the sinking groove 232, and is tightly connected with the clearance through hole 211 and the sinking groove 232 through the linear motor 27, so that on one hand, the mounting stability of the linear motor 27 is improved, and on the other hand, vibration feedback of the linear motor 27 can be more comprehensively transmitted to the key upper cover 21 and the key lower cover 23.

In some specific embodiments, as shown in fig. 2 and 3, two terminal slots 233 are disposed on a side of the key lower cover 23 away from the sinking slot 232, the positive terminal 25 and the negative terminal 26 are respectively inserted into the corresponding terminal slots 233, and the positive pin 252 and the negative pin 261 extend to the bottom end surface of the key lower cover 23 through the terminal slots 233, and when the positive terminal 25 and the negative terminal 26 are inserted into the terminal slots 233, the contact ends 261 and the spring ends 251 are located at the same height. By inserting the positive terminal 25 and the negative terminal 26 into the terminal slot 233 at the side far from the sinking groove 232, the contact end 261 and the spring plate end 251 can be effectively prevented from being affected by the vibration of the linear motor 27, and errors can be avoided

In some specific embodiments, as shown in fig. 2 and 3, a touch inclined surface 221 inclined outwards is disposed at the middle of the switch shaft 22, and when the switch shaft 22 moves downwards, the touch inclined surface 221 abuts against the contact end 261, and the contact end 261 bends towards the spring end 251. As can be clearly seen from the internal structure diagram of fig. 3, when the switch shaft 22 is pressed to move downward, the touch inclined surface 221 collides with the contact end 261, so that the positive terminal 25 collides with the negative terminal 26 to form a loop structure, and when the switch shaft 22 is released to move upward, the elastic stress of the elastic sheet end 251 can elastically reset the contact end 261, so that a certain gap is kept between the contact end 261 and the elastic sheet end 251, and a broken circuit structure is formed.

In some specific embodiments, as shown in fig. 2 and 3, the bottom of the switch shaft core 22 is a plug shaft 222, the center of the key lower cover 23 is provided with an upward protruding plug protrusion 231, the plug protrusion 231 is of a cylindrical hollow structure, the switch shaft core 22 is plugged with the center of the plug protrusion 231 in a manner of being able to move up and down through the plug shaft 222, the elastic reset member is composed of a spring 24, one end of the spring 24 is sleeved at the middle part of the switch shaft core 22, and the other end of the spring 24 is sleeved on the surface of the plug protrusion 231. The insertion protrusion 231 is positioned and inserted with the insertion shaft 222 at the bottom of the switch shaft core 22, so that the switch shaft core 22 can be ensured to be kept in a vertical track direction when being pressed downwards, and the pressing of the key is smoother.

In some specific embodiments, as shown in fig. 2 and 3, four corners of the key upper cover 21 are respectively provided with a fixing hook 212 protruding downwards, four corners of the key lower cover 23 are respectively provided with a buckling groove 234 matched with the fixing hook 212, and when the key upper cover 21 is arranged on the top of the key lower cover 23, the key upper cover 21 is buckled and fixed with the buckling grooves 234 of the key lower cover 23 through the fixing hooks 212.

The utility model provides a keyboard, includes key cap 1, keyboard PCB board 3, button connector 4, key position fixed plate 5 and the button body 2 in the embodiment, the middle part of keyboard PCB board 3 is equipped with a plurality of electrical socket 31, and electrical socket 31 runs through the top terminal surface and the bottom terminal surface of keyboard PCB board 3, and motor pin 271, anodal pin 252 and negative pole pin 261 carry out electric connection with corresponding electrical socket 31 respectively, and motor pin 271, anodal pin 252 and negative pole pin 261 carry out electric connection with keyboard PCB board 3 through electrical socket 31.

The middle part of the key position fixed plate 5 is provided with a key position hole 51 matched with the key body 2, the side wall of the shell is provided with an inwards sunken limit groove 235, the groove width of the limit groove 235 is consistent with the thickness of the key position fixed plate 5, and the middle part of the shell can be inlaid into the key position hole 51 through the limit groove 235. The top end surface of the key upper cover 21 is provided with a clearance through hole 211, the top of the switch shaft core 22 is provided with an embedded part 223, the embedded part 223 penetrates through the clearance through hole 211 to extend to the top end surface of the key upper cover 21, and the key cap 1 is detachably connected with the embedded part 223.

In some specific embodiments, as shown in fig. 4, 5 and 6, the top end surface of the key connector 4 is provided with a plurality of fixing slots 41, the motor pins 271, the positive electrode pins 252 and the negative electrode pins 261 are detachably plugged with the corresponding electrical slots 31, and the ends of the motor pins 271, the positive electrode pins 252 and the negative electrode pins 261 are respectively plugged and fixed with the fixing slots 41 of the key connector 4 through the electrical slots 31. The key connector 4 is fixedly inserted with the ends of the motor pin 271, the positive electrode pin 252 and the negative electrode pin 261, so that a detachable structure is formed between the key and the keyboard PCB 3, and the key can be subjected to a hot plug function (namely, the action of changing the key at any time).

The working process of the keyboard comprises the following steps: the vibration amplitude, the vibration duration and the vibration frequency of the linear motor 27 are customized through the arrangement of the keyboard PCB 3, then the key cap 1 is pressed, so that the switch shaft core 22 moves downwards, the touch inclined plane 221 is abutted against the contact end 261, the positive terminal 25 and the negative terminal 26 are abutted against each other to form a loop structure, meanwhile, the touch signal of the key is used as a reference, the linear motor 27 is electrified through the keyboard PCB 3, the linear motor 27 can transmit the edited vibration feedback to the key upper cover 21 and the key lower cover 23 more comprehensively, the response speed of the linear motor 27 is consistent with the touch of the key, and the timeliness of the key and the key touch feedback is improved;

when the switch shaft core 22 is released to move upwards, the contact end 261 can be sprung and reset through the elastic stress of the spring plate end 251, so that a certain gap is kept between the contact end 261 and the spring plate end 251, and a broken circuit structure is formed.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. The utility model provides a button with sense of touch feedback, includes the button body, and the button body includes casing, switch axle core, elasticity piece and terminal subassembly that resets, and the bottom accessible elasticity piece swing joint that resets of switch axle core is in the inside of casing, and the top of switch axle core can extend to the top face of casing, its characterized in that:

the terminal assembly comprises a positive terminal and a negative terminal, wherein the top of the positive terminal is a spring piece end, the top of the negative terminal is a contact end, the bottoms of the positive terminal and the negative terminal are respectively a positive pin and a negative pin, the spring piece end and the contact end are arranged in the shell and are positioned on one side of a switch shaft core, the spring piece end and the contact end can mutually abut through the switch shaft core, and the positive pin and the negative pin extend to the bottom end surface of the shell;

the inside of casing still is equipped with linear motor, and linear motor's bottom is the motor pin, and the motor pin extends to the bottom face of casing, and motor pin carries out electric connection with anodal pin and negative pole pin.

2. A key with tactile feedback as in claim 1, wherein: the casing comprises button upper cover and button lower cover, and one side of button lower cover is equipped with the subsidence groove of undercut, and one side of button upper cover is equipped with keeps away empty through-hole, and the bottom of linear motor is inlayed and is carried out fixed connection to the subsidence inslot, and the motor pin runs through the subsidence groove and extends to the bottom end face of button lower cover, and when the button upper cover set up in the top of button lower cover, the top of linear motor can be inlayed and is kept away empty through-hole in carrying out fixed connection.

3. A key with tactile feedback as in claim 2, wherein: the button lower cover is kept away from one side of sinking groove and is equipped with two terminal slots, and positive terminal and negative terminal peg graft respectively to in the terminal slot that corresponds, and positive terminal pin and negative terminal pin all run through the terminal slot and extend to the bottom terminal surface of button lower cover, and when positive terminal and negative terminal peg graft to in the terminal slot, contact terminal and shell fragment end are located same height.

4. A key with tactile feedback according to claim 3, wherein: the middle part of the switch shaft core is provided with a touch inclined plane which inclines outwards, and when the switch shaft core moves downwards, the touch inclined plane is abutted against the contact end, and the contact end is bent towards one side of the spring plate end to be abutted.

5. A key with tactile feedback as in claim 2, wherein: the bottom of switch axle core is the lock pin, and the center of button lower cover is equipped with the bellied grafting arch that makes progress, and the grafting arch is a barrel-type hollow structure, but the switch axle core is pegged graft with the bellied center of grafting through the lock pin, and elasticity reset piece comprises the spring, and the one end of spring cup joints at the middle part of switch axle core, and the other end of spring cup joints at the bellied surface of grafting.

6. A key with tactile feedback as in claim 2, wherein: four corners of the button upper cover are provided with downward protruding fixing hooks, four corners of the button lower cover are provided with buckling grooves matched with the fixing hooks, and when the button upper cover is arranged at the top of the button lower cover, the button upper cover is buckled and fixed with the buckling grooves of the button lower cover through the fixing hooks.

7. A keyboard, characterized in that: the key comprises a key cap, a keyboard PCB and the key body according to any one of claims 1-5, wherein a plurality of electrical slots are formed in the middle of the keyboard PCB, the electrical slots penetrate through the top end face and the bottom end face of the keyboard PCB, the motor pins, the positive electrode pins and the negative electrode pins are respectively and electrically connected with the corresponding electrical slots, and the motor pins, the positive electrode pins and the negative electrode pins are electrically connected with the keyboard PCB through the electrical slots.

8. A keyboard as claimed in claim 7, wherein: the bottom of keyboard PCB board still is equipped with key connector, and key connector's top face is equipped with a plurality of fixed slot, and motor pin, anodal pin and negative pole pin are pegged graft with corresponding electrical property slot detachably respectively, and motor pin, anodal pin and negative pole pin's tip pass electrical property slot respectively and are pegged graft fixedly with key connector's fixed slot.

9. A keyboard as claimed in claim 7, wherein: the keyboard PCB is characterized in that a key position fixing plate is further arranged above the keyboard PCB, a key position hole matched with the key body is formed in the middle of the key position fixing plate, an inwards-sunken limit groove is formed in the side wall of the shell, the groove width of the limit groove is consistent with the thickness of the key position fixing plate, and the middle of the shell can be inlaid into the key position hole through the limit groove.

10. A keyboard as claimed in claim 7, wherein: the top surface of button upper cover is equipped with keeps away empty through-hole, and the top of switch axle core is the inlaying part, and inlaying part passes the top surface that keeps away empty through-hole and extends to the button upper cover, and the key cap carries out detachably with inlaying part and is connected.