CN215377285U

CN215377285U - Key structure and remote controller

Info

Publication number: CN215377285U
Application number: CN202120968550.8U
Authority: CN
Inventors: 梅德星
Original assignee: Huizhou Chuangrongfa Industrial Co ltd
Current assignee: Huizhou Chuangrongfa Industrial Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-31
Anticipated expiration: 2031-05-08

Abstract

The application discloses button structure and remote controller relates to control unit technical field, and wherein the button structure includes: the key comprises a shell, at least one keycap and a circuit board, wherein the top of the shell is provided with a strip-shaped through hole; the keycap comprises a horizontal part and a vertical part, one end of the vertical part is connected with the center of the first surface of the horizontal part, a salient point is arranged at the center of the second surface of the horizontal part, the horizontal part is movably arranged in the shell, and the other end of the vertical part penetrates through the strip-shaped through hole; the circuit board sets up in the casing inside and sets up in one side of second surface, is equipped with first contact, second contact and third contact on the circuit board, and the first contact is corresponding with the bump, and second contact and third contact set up respectively in the both sides of first contact and respectively with the second surface along the both sides on the strip through-hole width direction corresponding. The key structure and the remote controller can reduce the occupied area of the keys and can realize multiple functions.

Description

Key structure and remote controller

Technical Field

The application relates to the technical field of control components, in particular to a key structure and a remote controller.

Background

Along with the promotion of living standard, the consumer more and more values user experience, in original remote controller, two rectangular buttons of middle often vertical setting, this button has both ends button, adjust sound +, sound-sum channel +, channel respectively, still set up circular multi-functional button, this button is equipped with 4 buttons, set up respectively about from top to bottom, circular multi-functional button is last, down the button adjust channel + sum channel respectively, circular multi-functional left and right button adjusts volume-sum volume + respectively, these two kinds of remote controller control button need great area occupied, thereby make the remote controller too big, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a key structure and a remote controller, which can reduce the occupied area of the key and realize multiple control functions.

In a first aspect, the present application provides a key structure, including:

the top of the shell is provided with a strip-shaped through hole;

the key cap comprises a horizontal part and a vertical part, one end of the vertical part is connected with the center of the first surface of the horizontal part, the horizontal part is movably arranged in the shell, the vertical part penetrates through the strip-shaped through hole, and a convex point is arranged at the center of the second surface of the horizontal part;

the circuit board, the circuit board set up in the casing is inside and set up in one side of second surface, be equipped with first contact, second contact and third contact on the circuit board, first contact with the bump is corresponding, the second contact with the third contact set up respectively in the both sides of first contact and respectively with the second surface is followed strip through-hole width direction's both sides are corresponding.

According to the key structure of the embodiment of the first aspect of the application, at least the following beneficial effects are achieved: through pressing the key cap perpendicularly, can trigger the first contact of circuit board through the bump, realize the first function that the button structure predetermines, through pushing away the vertical portion of key cap forward or push away backward for the second surface of the horizontal part of key cap is followed the both sides on the strip through-hole width direction trigger second contact and third contact on the circuit board respectively, realize the second function and the third function that the button structure predetermines, through pressing perpendicularly, pushing away before and pushing away after the vertical portion can realize the function of three difference promptly, and the casing sets up the strip through-hole, and the strip through-hole is worn to locate by vertical portion, has reduced the area occupied of button structure.

According to some embodiments of the first aspect of the present application, an end of the vertical portion remote from the horizontal portion is provided with a protruding portion.

According to some embodiments of the first aspect of the present application, the horizontal portion is provided with a rotation shaft respectively along both ends of the strip-shaped through hole in the length direction, and the horizontal portion is movably disposed inside the housing through the rotation shaft.

According to some embodiments of the first aspect of the present application, the keycap is provided with two, the inside of the housing is provided with two connecting pieces between the keycaps, two one ends of the keycaps the rotation axis and the side wall of the housing are movably connected, and the other ends of the keycaps the rotation axis and the adjacent connecting pieces are movably connected.

According to some embodiments of the first aspect of the present application, the printed circuit board further includes a conductive rubber, the conductive rubber is disposed between the horizontal portion and the circuit board, a first button portion, a second button portion and a third button portion are respectively disposed at corresponding positions of the conductive rubber and the first contact, the second contact and the third contact, the first button portion abuts against the protruding point, and the second button portion abuts against both sides of the second surface in the width direction of the strip-shaped through hole.

According to some embodiments of the first aspect of the present application, the circuit board is provided with a first positioning hole, and the conductive rubber is provided with a positioning column matched with the first positioning hole.

According to some embodiments of the first aspect of the present application, the circuit board further comprises a supporting plate disposed on a side of the circuit board away from the horizontal portion for supporting the circuit board.

According to some embodiments of the first aspect of the present application, the housing includes an upper cover and a lower cover, the upper cover and the lower cover are detachably connected, and the strip-shaped through hole is disposed in the upper cover.

According to some embodiments of the first aspect of the present application, a width of the vertical portion is smaller than a width of the bar-shaped through hole.

In a second aspect, the present application further provides a remote controller, including: a key arrangement as claimed in any one of the embodiments of the first aspect.

According to the remote controller of the embodiment of the second aspect of the application, at least the following beneficial effects are achieved: the key structure of any embodiment of the first aspect is arranged on the remote controller to replace the original long-strip key and round multifunctional key arranged along the length direction of the remote controller, the first contact of the circuit board can be triggered through the salient points by vertically pressing the key cap, the preset first function of the key structure is realized, the preset second function and the preset third function of the key structure are realized by pushing the vertical part of the key cap forwards or backwards, so that the second surface of the horizontal part of the key cap respectively triggers the second contact and the third contact on the circuit board along the two sides of the width direction of the strip-shaped through hole, namely, the vertical part is vertically pressed, pushed forwards and pushed backwards to realize three different functions, the shell is provided with the strip-shaped through hole, the vertical part is penetrated through the strip-shaped through hole, the occupied area of the key structure is reduced, the integral area of the remote controller is reduced, and the remote controller is made to be simpler, the use is more convenient.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

Additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a key structure according to some embodiments of the first aspect of the present application;

FIG. 2 is an exploded view of a key structure according to some embodiments of the first aspect of the present application;

FIG. 3 is an exploded view of a key structure from another perspective in accordance with some embodiments of the first aspect of the present application;

FIG. 4 is a cross-sectional view of a key structure of some embodiments of the first aspect of the present application;

fig. 5 is a schematic diagram of a remote control according to some embodiments of the second aspect of the present application.

The reference numbers are as follows:

the key cap comprises a housing 100, an upper cover 110, a strip-shaped through hole 111, a connecting piece 112, a lower cover 120, a reinforcing plate 121, a key cap 200, a vertical part 210, a protruding part 211, a horizontal part 220, a bump 221, a rotating shaft 222, a circuit board 300, a first contact 310, a second contact 320, a third contact 330, a first positioning hole 340, a third positioning hole 350, conductive rubber 400, a first button part 410, a second button part 420, a third button part 430, a positioning column 440, a supporting plate 500, a positioning block 510, a second positioning hole 520, a limiting groove 530 and a remote controller 600.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.

In the description of the present application, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

The application is further elucidated on the basis of the figures and the specific embodiments.

Referring to fig. 1 to 4, in a first aspect, the present application provides a key structure, including: the key cap comprises a shell 100, at least one key cap 200 and a circuit board 300, wherein a strip-shaped through hole 111 is formed in the top of the shell 100, the key cap 200 comprises a horizontal portion 220 and a vertical portion 210, one end of the vertical portion 210 is connected with the center of a first surface of the horizontal portion 220, the horizontal portion 220 is movably arranged inside the shell 100, the vertical portion 210 penetrates through the strip-shaped through hole 111, a salient point 221 is arranged at the center of a second surface of the horizontal portion 220, the circuit board 300 is arranged inside the shell 100 and arranged on one side of the second surface, a first contact 310, a second contact 320 and a third contact 330 are arranged on the circuit board 300, the first contact 310 corresponds to the salient point 221, and the second contact 320 and the third contact 330 are respectively arranged on two sides of the first contact 310 and respectively correspond to two sides of the second surface in the width direction along the strip-shaped through hole 111. Through pressing key cap 200 perpendicularly, can trigger the first contact 310 of circuit board 300 through bump 221, realize the first function that key structure predetermines, through pushing forward or pushing backward vertical portion 210 of key cap 200, make the second surface of the horizontal part 220 of key cap 200 follow second contact 320 and third contact 330 on the circuit board 300 are triggered respectively to the both sides on the 111 width direction of strip through-hole, realize the second function and the third function that key structure predetermines, through pressing perpendicularly, pushing forward and pushing backward vertical portion 210 promptly can realize the function of three difference, and casing 100 sets up strip through-hole 111, and strip through-hole 111 is worn to locate by vertical portion 210, has reduced key structure's area occupied.

Note that the directions of the forward and backward pushing are both sides in the width direction with respect to the stripe-shaped through hole 111.

It should be noted that the first surface and the second surface are respectively an upper surface and a lower surface of the horizontal portion 220, a central position of the upper surface of the horizontal portion 220 is connected to the vertical portion 210, and the lower surface can be respectively contacted with the first contact 310, the second contact 320 and the third contact 330 of the circuit board 300 by pressing and pushing to both sides, so as to trigger a preset function of the key structure.

It should be noted that the function of triggering the first contact 310, the second contact 320, and the third contact 330 on the circuit board 300 may be set according to the actual application, for example, by pressing the vertical portion 210 to bring the bump 221 on the second surface of the horizontal portion 220 into contact with the first contact 310, a "determining" function is implemented; the vertical part 210 is pushed forward to bring the upper side of the second surface of the horizontal part 220 into contact with the second contact 320, so that the function of "moving up" is realized; when the vertical part 210 is pushed back to bring the lower side of the second surface of the horizontal part 220 into contact with the third contact 330, the function of "moving down" is realized. The functions triggered on the circuit board 300 by the first contact 310, the second contact 320 and the third contact 330 are not limited to the above, and the functions of the first contact 310 may be functions such as "menu" or "return"; as for the function of the second contact 320, it may also be a function of "volume +" or "channel +"; the function of the third contact 330 may also be "volume-" or "channel-" or the like.

It should be noted that, when two or more keycaps 200 are provided, the first contact 310, the second contact 320, and the third contact 330 on the circuit board 300 also correspond to the number of keycaps 200, for example, two keycaps 200 are provided, each keycap 200 has one corresponding first contact 310, one corresponding second contact 320, and one corresponding third contact 330, functions triggered by the first contacts 310 of the first keycap 200 and the second keycap 200 may be different, and functions of the two may not cause repulsion in use, for example, the function triggered by the second contact 320 of the first keycap 200 is "channel +", the function triggered by the second contact 320 of the second keycap 200 is "volume +", when a user pushes the first keycap 200 forward, the instruction of "channel +" is triggered, when the user pushes the second keycap 200 forward, the instruction of "volume +" is triggered, and a plurality of keycaps 200 are provided to realize more functions, specifically set according to practical application situations, and will not be described in detail herein.

It should be noted that the key structure can also be applied to the field of household circuit switches, for example, different contacts correspond to different lighting fixtures, and the like.

It can be understood that the end of the vertical portion 210 away from the horizontal portion 220 is provided with the protruding portion 211, the protruding portion 211 is provided to facilitate the user to perform pressing, forward pushing or backward pushing operations during use, the shape of the protruding portion 211 is not limited, and may be rectangular or elliptical, and the like, and a rough surface may be further provided on the top of the protruding portion 211, for example, a stripe is provided, so as to enhance the user's touch feeling during use and facilitate the user to directly and intuitively feel the current finger touch position, thereby improving the user experience.

It can be understood that, two ends of the horizontal portion 220 along the length direction of the strip-shaped through hole 111 are respectively provided with a rotating shaft 222, the horizontal portion 220 is movably disposed inside the housing 100 through the rotating shaft 222, for example, one key cap 200 is provided, the left and right ends of the horizontal portion 220 are respectively provided with a rotating shaft 222, the rotating shaft 222 is inserted into the inner side wall of the housing 100, and a user applies a forward pushing force and a backward pushing force to the vertical portion 210 to rotate the horizontal portion 220 around the rotating shaft 222, thereby triggering a corresponding function.

It can be understood that there are two keycaps 200, there are two connecting members 112 disposed inside the casing 100 between the two keycaps 200, and the rotating shafts 222 at one end of the two keycaps 200 are movably connected to the side wall of the casing 100, and the rotating shafts 222 at the other end are movably connected to the adjacent connecting members 112. When there are three or more keycaps 200, there are connectors 112 between each keycap 200 inside the casing 100, the rotating shafts 222 at one end of two keycaps 200 at the edge are movably connected with the side wall of the casing 100, the rotating shafts 222 at the other end are movably connected with the adjacent connectors 112, the rotating shafts 222 at the two ends of other keycaps 200 are respectively movably connected with the connectors 112 adjacent to the corresponding rotating shafts 222, if there are four keycaps 200, there are three connectors 112, and by setting up the connectors 112, each keycap 200 can be movably arranged in the casing 100.

It can be understood that the key structure of the present application further includes a conductive rubber 400, the conductive rubber 400 is disposed between the horizontal portion 220 and the circuit board 300, the conductive rubber 400 is respectively provided with a first button portion 410, a second button portion 420 and a third button portion 430 at positions corresponding to the first contact 310, the second contact 320 and the third contact 330, wherein the first button portion 410, the second button portion 420 and the third button portion 430 are bumps disposed on the conductive rubber 400, the first button portion 410 abuts against the bump 221, and the second button portion 420 and the third button portion 430 abut against both sides of the second surface of the horizontal portion 220 in the width direction of the strip-shaped through hole 111. The conductive rubber 400 is formed by uniformly distributing conductive particles such as silver-plated glass, silver-plated aluminum and silver in silicon rubber, the conductive particles are contacted through pressure, good conductive performance is achieved, meanwhile, the conductive rubber 400 has elasticity, and when the pressure applied to the keycap 200 is released, the conductive rubber 400 can rebound to reset the keycap 200. Through pressing vertical portion 210 to drive bump 221 of horizontal portion 220 to push down, and drive first button portion 410 to push down and contact with first contact 310, thereby realize the function that first contact 310 corresponds, after the user released the power of pressing vertical portion 210, conductive rubber 400 resets key cap 200, and the function of second button portion 420 and third button portion 430 is similar with the function of first button portion 410, and the repetition is no longer repeated here and is repeated the repeated description.

It can be understood that the circuit board 300 is further provided with a first positioning hole 340, and the conductive rubber 400 is also provided with two positioning posts 440 matching with the first positioning hole 340, specifically, the two positioning posts 440 and the first positioning hole 340 are respectively provided with two positioning holes 340, and the two positioning posts 440 are respectively inserted into the two first positioning holes 340 to use two-point simultaneous positioning, so as to prevent poor contact between the button portion and the contact point due to displacement between the conductive rubber 400 and the circuit board 300 during use.

It can be understood that the key structure of the present application further includes a supporting plate 500, where the supporting plate 500 is disposed on a side of the circuit board 300 away from the horizontal portion 220, and is used for supporting the circuit board 300, so as to protect the circuit board 300 and prolong the service life of the circuit board.

It should be noted that the supporting plate 500 is also provided with a second positioning hole 520 corresponding to the first positioning hole 340, and the positioning column 440 is sequentially inserted into the first positioning hole 340 and the second positioning hole 520, so that the conductive rubber 400, the circuit board 300 and the supporting plate 500 are limited, and displacement is prevented during use.

It should be noted that a positioning block 510 is further disposed at the central position of the supporting plate 500, a third positioning hole 350 is disposed at a position of the circuit board 300 corresponding to the positioning block 510, the positioning block 510 is inserted into the third positioning hole 350 to form a further limit, the positioning block 510 is rectangular, but is not limited thereto, and may also be triangular, oval, and the like, and the present application is not limited thereto.

It can be understood that the housing 100 includes an upper cover 110 and a lower cover 120, the upper cover 110 and the lower cover 120 are detachably connected to facilitate subsequent maintenance and cleaning of the interior, and the strip-shaped through hole 111 is disposed on the upper cover 110. Specifically, the inner wall of the bottom of the lower cover 120 is provided with the reinforcing plate 121 for reinforcing the structural firmness of the lower cover 120, the supporting plate 500 is provided with the limiting groove 530 matched with the reinforcing plate 121, the lower cover 120 and the supporting plate 500 realize the positioning effect through the reinforcing plate 121 and the limiting groove 530, and the supporting plate 500 and the lower cover 120 are prevented from shifting in the using process.

It can be understood that the width of the vertical portion 210 is smaller than that of the strip-shaped through hole 111, and a space is reserved for the vertical portion 210 to push forward or backward.

Referring to fig. 5, in a second aspect, the present application further provides a remote controller 600, which includes the key structure according to any one of the embodiments of the first aspect, the key structure according to any one of the embodiments of the first aspect is disposed on the remote controller 600, instead of the original long-strip key and round multifunctional key disposed along the length direction of the remote controller 600, by vertically pressing the key cap 200, the first contact 310 of the circuit board 300 can be triggered through the protruding point 221, so as to implement the first function preset by the key structure, by pushing the vertical portion 210 of the key cap 200 forward or backward, the second surface of the horizontal portion 220 of the key cap 200 respectively triggers the second contact 320 and the third contact 330 of the circuit board 300 along two sides of the width direction of the strip-shaped through hole 111, so as to implement the second function and the third function preset by the key structure, that three different functions can be implemented by vertically pressing, pushing forward and pushing backward the vertical portion 210, and the housing 100 is provided with the strip-shaped through hole 111, and the vertical portion 210 penetrates through the strip-shaped through hole 111, so that the occupied area of the key structure is reduced, the integral area of the remote controller 600 is reduced, the remote controller 600 is simpler and more convenient to use.

The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.

Claims

1. A key structure, comprising:

the top of the shell is provided with a strip-shaped through hole;

the key cap comprises a horizontal part and a vertical part, one end of the vertical part is connected with the center of the first surface of the horizontal part, a salient point is arranged at the center of the second surface of the horizontal part, the horizontal part is movably arranged in the shell, and the other end of the vertical part penetrates through the strip-shaped through hole;

2. The key structure according to claim 1, wherein an end of the vertical portion remote from the horizontal portion is provided with a protruding portion.

3. The key structure of claim 1, wherein the horizontal portion has a rotation shaft at each of two ends along the length direction of the strip-shaped through hole, and the horizontal portion is movably disposed inside the housing through the rotation shaft.

4. A key structure according to claim 3, wherein there are two keycaps, and a connecting member is disposed between the two keycaps inside the housing, and the rotating shaft of one end of each of the two keycaps is movably connected to the side wall of the housing, and the rotating shaft of the other end of each of the two keycaps is movably connected to the adjacent connecting member.

5. The key structure according to claim 1, further comprising a conductive rubber, the conductive rubber being disposed between the horizontal portion and the circuit board, wherein a first button portion, a second button portion, and a third button portion are respectively disposed at positions corresponding to the first contact, the second contact, and the third contact, the first button portion abuts against the protruding point, and the second button portion and the third button portion abut against both sides of the second surface in the width direction of the stripe-shaped through hole.

6. The key structure of claim 5, wherein the circuit board is provided with a first positioning hole, and the conductive rubber is provided with a positioning post matched with the first positioning hole.

7. The key structure of claim 1, further comprising a supporting plate disposed on a side of the circuit board away from the horizontal portion for supporting the circuit board.

8. The key structure according to claim 1, wherein the housing includes an upper cover and a lower cover, the upper cover and the lower cover are detachably connected, and the strip-shaped through hole is provided in the upper cover.

9. The key structure according to claim 1, wherein the width of the vertical portion is smaller than the width of the strip-shaped through hole.

10. A remote control, comprising: a key structure according to any one of claims 1 to 9.