CN211016856U

CN211016856U - Key assembly and electronic equipment

Info

Publication number: CN211016856U
Application number: CN201922490749.XU
Authority: CN
Inventors: 陈明宝; 褚康愉; 孙海云
Original assignee: Shenzhen TCL Digital Technology Co Ltd
Current assignee: Shenzhen TCL Digital Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-14
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a button subassembly and electronic equipment, the button subassembly includes protecgulum, hou gai, light source and button, protecgulum and hou gai sliding connection, the button reaches the light source is located between protecgulum and the hou gai, the protecgulum is equipped with the button sign, the button sign includes the fretwork groove that the protecgulum fretwork set up, the light that the light source sent can be followed the fretwork groove jets out the protecgulum, the utility model provides a button subassembly and electronic equipment when having solved among the prior art use the button in the dark surrounds, the light that sends through light-emitting component can illuminate the surrounding environment, increases the luminance of environment, and luminance is too high, and light dazzling influences the problem to the use of electronic equipment button in the dim surrounds for soft emergent light.

Description

Key assembly and electronic equipment

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a button subassembly and electronic equipment.

Background

Electronic equipment when using in the dark surrounds, fix a position for the button on the electronic equipment that can be accurate, light emitting component need add near the button usually, light that sends through light emitting component throws light on the button, thereby convenience of customers operates the button, but light that light emitting component sent not only can throw light on the button, still can illuminate the environment on every side, when user's needs use electronic equipment's button in dim environment, light emitting component's light can illuminate the surrounding environment, increase the luminance of environment, luminance is too high, light dazzling, thereby the influence is to the use of electronic equipment button in dim environment, make product experience not good.

SUMMERY OF THE UTILITY MODEL

The utility model provides a key assembly and electronic equipment aims at solving among the prior art when using the button in the dark surrounds, and the light that sends through light emitting component can illuminate the surrounding environment, increases the luminance of environment, and luminance is too high, and light is dazzling, influences the problem to the use of electronic equipment button in the dim surrounds.

In order to achieve the above object, the utility model provides a button subassembly, button subassembly includes protecgulum, hou gai, light source and button, protecgulum and hou gai sliding connection, the button reaches the light source is located between protecgulum and the hou gai, the protecgulum is equipped with the button sign, the button sign includes the fretwork groove that the protecgulum fretwork set up, the light that the light source sent can be followed the fretwork groove jets out the protecgulum.

Optionally, the hollow-out groove is filled with a material that can transmit light.

Optionally, the key assembly includes a light-transmitting plate, the light-transmitting plate is disposed between the front cover and the light source, a boss is disposed on one side of the light-transmitting plate close to the front cover, the shape of the boss is matched with the shape of the key identification, and the boss is accommodated in the hollow groove.

Optionally, the light-transmitting plate and the front cover are integrally arranged.

Optionally, the button assembly includes a light guide plate, the light guide plate is disposed between the light-transmitting plate and the light source

Optionally, the key assembly includes a circuit board, a light emitting element is disposed on one side of the circuit board facing the front cover to form the light source, and a key is disposed on one side of the circuit board facing the rear cover.

Optionally, the key assembly includes two light emitting elements and two keys, the two light emitting elements are respectively disposed on two opposite sides of one side of the circuit board facing the front cover, and the two keys are respectively disposed on two opposite sides of one side of the circuit board facing the rear cover.

Optionally, the key assembly further includes a middle frame, the middle frame is fixedly connected with the rear cover, the front cover abuts against the middle frame, a limiting boss is arranged on one side of the middle frame, facing the front cover, the rear cover is provided with a limiting through hole, and one side of the limiting boss, facing the rear cover, abuts against the limiting through hole; the key is contained in the limiting through hole, and the front cover is connected with the middle frame in a sliding mode.

Optionally, one side of the limiting boss facing the front cover is abutted to the circuit board, one side of the key far away from the circuit board is flush with one side of the rear cover far away from the circuit board, and the front cover is connected with the middle frame through screws.

In order to achieve the above object, the present application provides an electronic device, which is characterized in that the electronic device includes a casing and a key assembly as described in any of the above embodiments, and the key assembly is fixedly connected to the casing of the electronic device.

In the technical scheme provided by the application, the key assembly comprises a front cover, a rear cover, a middle frame, a light source and keys, the front cover is in sliding connection with the rear cover, the keys and the light source are arranged between the front cover and the rear cover, the front cover is provided with a key identification, the key identification comprises a hollow groove arranged in the hollow groove of the front cover, in the working process of the key assembly, light emitted by the light source is emitted out of the front cover through the hollow groove, a user can identify the key identification through the light emitted out of the hollow groove, so that the user can conveniently determine the corresponding function of the key assembly, as the light source is arranged between the front cover and the rear cover, the light emitted by the light source can be reflected by the front cover or the rear cover when being transmitted to the front cover or the rear cover, and the light is emitted out of the hollow groove after passing through the hollow groove, through right the light that the light source sent limits, can reduce the light source that the light source sent is to the increase degree of ambient light brightness for emergent light is soft, thereby when using the button among the prior art dark surrounds, the light that sends through light emitting component can illuminate the surrounding environment, increases the brightness of environment, and luminance is too high, and light is dazzling, influences the problem to the use of electronic equipment button in dim surround.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the key assembly of the present invention;

fig. 2 is an exploded view of the key assembly of the present invention;

fig. 3 is a rear view of the key assembly of the present invention;

fig. 4 is a cross-sectional view of the key assembly of fig. 3 when not pressed;

fig. 5 is a schematic cross-sectional view of the key assembly of fig. 3 when pressed;

fig. 6 is an exploded view of the key assembly and the housing.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Front cover	50	Middle frame
20	Back cover	51	Spacing boss
				30	Light source	21	Limiting through hole
31	Light emitting element	60	Light-transmitting plate
				32	Circuit board	61	Boss
40	Push-button	70	Light guide plate
				11	Hollow groove	80	Shell body
12	Key label

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a button subassembly and electronic equipment.

Referring to fig. 1 to 5, the key assembly includes a front cover 10, a rear cover 20, a light source 30 and a key 40, the front cover 10 is slidably connected to the rear cover 20, the key 40 and the light source 30 are disposed between the front cover 10 and the rear cover 20, the front cover 10 is provided with a key identifier 12, the key identifier 12 includes a hollow groove 11 hollowed out of the front cover 10, and light emitted by the light source 30 can be emitted out of the front cover 10 from the hollow groove 11.

The front cover 10 and the rear cover 20 may be made of opaque material or semi-opaque material, and the colors of the front cover 10 and the rear cover 20 may be adjusted according to the actual use of the key assembly. Specifically, when the light emitted from the light source 30 is transmitted to the front cover 10 and the rear cover 20, the light can be absorbed or diffusely reflected by the front cover 10 and the rear cover 20, so that the brightness or the focusing degree of the light is reduced, and the emergent light is softer.

When the key assembly is pressed, the rear cover 20 remains unchanged, the front cover 10 and the rear cover 20 move relative to each other, and the corresponding function of the key assembly is triggered.

The key identifier 12 includes a hollow groove 11 formed in the front cover 10, and specifically, for a user to identify the key assembly, the shape of the hollow groove 11 may be an abbreviation or an icon of a corresponding function, or may be a product icon name of the electronic device.

In the technical scheme provided by the application, the key assembly comprises a front cover 10, a rear cover 20, a middle frame 50, a light source 30 and a key 40, the front cover 10 is slidably connected with the rear cover 20, the key 40 and the light source 30 are arranged between the front cover 10 and the rear cover 20, the front cover 10 is provided with a key identifier 12, the key identifier 12 comprises a hollow groove 11 in hollow arrangement of the front cover 10, in the working process of the key assembly, light emitted by the light source 30 is emitted out of the front cover 10 from the hollow groove 11, a user can identify the key identifier 12 through the light emitted out of the hollow groove 11, so that the user can determine the corresponding function of the key assembly, because the light source 30 is arranged between the front cover 10 and the rear cover 20, the light emitted by the light source 30 can be reflected by the front cover 10 or the rear cover 20 when being transmitted to the front cover 10 or the rear cover 20, and light is in the process follow behind the fretwork groove 11 jets out, through right the light that light source 30 sent is restricted for the emergent light is soft, can reduce the light source 30 that light source 30 sent is to the increase degree of environmental brightness, thereby when using button 40 among the prior art the dark surrounds, and the light that sends through light-emitting component 31 can be lighted up the surrounding environment, increases the brightness of environment, and luminance is too high, and light dazzling influences the problem to the use of electronic equipment button 40 in dim environment.

In an alternative embodiment, the hollow-out groove 11 is filled with a light-permeable material, specifically, the light-permeable material may be composed of a light-impermeable material or a semi-light-permeable material, and the colors of the front cover 10 and the rear cover 20 may be adjusted according to the actual use of the key assembly. In a preferred embodiment, in order to ensure the identification degree of the key identifier 12, the light-permeable material filled in the hollow groove 11 has a different light-permeable degree and/or color from the materials of the front shell and the rear shell.

In an optional embodiment, the light emitting assembly further includes a light transmission plate 60, the light transmission plate 60 is disposed between the front cover 10 and the light source 30 assembly, a boss 61 is disposed on the light transmission plate 60, the shape of the boss 61 is adapted to the shape of the key identifier 12, and the boss 61 is accommodated in the hollow groove 11, specifically, in order to increase the uniformity of the light emitted from the hollow groove 11, the brightness of the light emitted from the front cover 10 is reduced by increasing the light transmission plate 60 between the light source 30 and the front cover 10, in a specific embodiment, the color of the light transmission plate 60 is black, when the light source 30 is not operated, the boss 61 of the light transmission plate 60 is accommodated in the hollow groove 11, so that the key identifier 12 of the key assembly is displayed as black, when the light source 30 is operated, the light that light source 30 sent jets out behind the light-passing board 60 the protecgulum 10, light-passing board 60 changes into white from black under the effect of light, consequently the user can observe the button subassembly the button sign 12 changes white into to the convenience is used for right the button subassembly is confirmed.

In a preferred embodiment, the light-transmitting plate 60 is integrally disposed with the front cover 10, specifically, the light-transmitting plate 60 may be made of Polycarbonate (PC) material, and is filled in the hollow groove 11 by injection or other filling methods to form an integral structure with the front cover 10, in a preferred embodiment, the light-transmitting plate 60 may be made of a transparent material or a translucent material, and the color of the light-transmitting plate 60 includes, but is not limited to, white or black or other colors.

It can be understood that, in another embodiment, the transparent plate 60 can be detachably connected to the front cover 10, so as to change the display effect of the key assembly, and when the transparent plate 60 is detachably connected to the front cover 10, the transparent plate 60 can be replaced, so that the light emitting element 31 can exhibit different light emitting effects.

In an optional embodiment, the button subassembly still includes light guide plate 70, light guide plate 70 is located the light-passing board 60 with between the light source 30, it is concrete, the light that light source 30 sent gets into behind the light-passing board 60, in order to guarantee to follow the light of light-passing board 60 outgoing can be even follow the fretwork groove 11 jets out light-passing board 60 with add between the light source 30 light guide plate 70, the entering light of light-passing board 60 is in take place the multiple reflection between light-passing board 60 with take place between the light guide plate 70, thereby it is right light carries out the dodging, and light after the dodging is followed the fretwork groove 11 jets out protecgulum 10, thereby avoids jetting out the light of protecgulum 10 is concentrated, and the influence user is right the problem of observing is carried out to the button subassembly.

In an alternative embodiment, the key assembly includes a circuit board 32, a light emitting element 31 is disposed on a side of the circuit board 32 facing the front cover 10 to form the light source 30, and a key 40 is disposed on a side of the circuit board 32 facing the rear cover 20. Specifically, the circuit board 32 is electrically connected to the light emitting element 31 and the key 40, when the key assembly is pressed by a user, the key 40 triggers the corresponding function of the key 40 after receiving pressure, and light emitted by the light emitting element 31 is emitted from the hollow groove 11, so that the user can conveniently confirm the key assembly.

In a preferred embodiment, the key assembly includes two light emitting elements 31, two light emitting elements 31 are respectively disposed on two opposite sides of one side of the front cover 10 facing the circuit board 32, two keys 40 are respectively disposed on two opposite sides of one side of the back cover 20 facing the circuit board 32, when the key identifier 12 is disposed on the center position of the front cover 10, when the light emitting elements 31 work, the light emitted from the light emitting elements 31 is transmitted to the center position of the light transmitting plate 60 from the edge of the circuit board 32 after multiple reflections of the light transmitting plate 60 and the light guide plate 70, and is emitted from the light transmitting plate 60, and the light after multiple reflections has a better light uniformity effect than the light emitted from the light emitting elements 31.

In an optional embodiment, the key assembly further includes a middle frame 50, the middle frame 50 is fixedly connected to the front cover 10, the rear cover 20 abuts against the middle frame 50, a limiting boss 51 is disposed on one side of the middle frame 50 facing the front cover 10, the rear cover 20 is provided with a limiting through hole 21, and an edge of the limiting boss 51 abuts against the limiting through hole 21; specifically, the limiting through hole 21 of the rear cover 20 is used for limiting the limiting boss 51 of the middle frame 50, and the middle frame 50 and the rear cover 20 are prevented from moving relative to each other along a plane direction perpendicular to the opening direction of the limiting through hole 21.

In addition, the key 40 is accommodated in the limiting through hole 21, specifically, the key 40 is a light touch switch, when the key assembly is pressed, the front cover 10 and the middle frame 50 move together and are both connected with the rear cover 20 in a sliding manner, the key 40 of the key 40 is partially deformed or displaced, so as to activate the function of the key assembly, when the key assembly is restored to a state without receiving the pressure, the key 40 of the key 40 is partially rebounded, and the front cover 10 and the middle frame 50 move towards one side direction away from the rear cover 20.

In a specific embodiment, the middle frame 50 is inwardly close to one side of the front cover 10 and abuts against the circuit board 32, and since the circuit board 32, the light guide plate 70 and the light-transmitting plate 60 are all accommodated in the accommodating cavity, the middle frame 50 and the circuit board 32 abut against each other to prevent the circuit board 32 from moving in position in the accommodating cavity. In addition, in order to avoid the key assembly protruding out of the limiting through hole 21, one side of the key assembly away from the circuit board 32 is flush with one side of the rear cover 20 away from the circuit board 32, when the length of the key assembly is greater than the depth of the limiting through hole 21, the key assembly protrudes out of the rear cover 20, and when the key assembly is installed, the key assembly affects the positioning between the rear cover 20 and the housing 80 of the electronic device; when the length of the key assembly is smaller than the depth of the limiting through hole 21 and the key assembly is installed on a plane, the key assembly needs to be contacted with the plane firstly when being pressed, and compared with the key assembly with the length equal to the depth of the limiting through hole 21, when the key assembly is pressed by the same force, the key assembly is not easy to trigger, so that the use of the key assembly is influenced.

In a preferred embodiment, the front cover 10 is screwed to the middle frame 50, and it is understood that the connection manner of the front cover 10 and the middle frame 50 is not limited thereto, and in another embodiment, the front cover 10 and the middle frame 50 may be a snap connection, a rivet connection, or other connection manners.

In a specific embodiment, when the user presses the key assembly, the key assembly detects the pressure and then moves or deforms to a side away from the front cover 10, and because the front cover 10 is connected to the middle frame 50 through screws, the front cover 10 and the middle frame 50 drive the light source 30 assembly, the light-transmitting plate 60 and the light-guiding plate 70 to move together along the pressing direction, and both move relative to the rear cover 20. When the front cover 10 abuts against the rear cover 20, a side of the middle frame 50 away from the front cover 10 is flush with a side of the rear cover 20 away from the front cover 10, thereby limiting a stroke distance of the key assembly. When the key assembly returns to the unaccepted state, the key assembly rebounds and drives the middle frame 50 connected to the key assembly, the light source 30 assembly, the transparent plate 60, the light guide plate 70 and the front cover 10 move in a direction away from the rear cover 20, and when the edge of the middle frame 50 abuts against the rear cover 20 again, the movement distance of the middle frame 50 and the front cover 10 when the key assembly rebounds is limited.

Referring to fig. 6, the present invention further provides an electronic device, the electronic device includes a casing 80 and a key assembly according to any of the above embodiments, the key assembly is fixedly connected to the casing 80, and the specific structure of the key assembly refers to the above embodiments.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a key assembly, its characterized in that, key assembly includes protecgulum, hou gai, light source and button, protecgulum and hou gai sliding connection, the button reaches the light source is located between protecgulum and the hou gai, the protecgulum is equipped with the button sign, the button sign includes the fretwork groove that the protecgulum fretwork set up, light that the light source sent can be followed the fretwork groove jets out the protecgulum.

2. The key assembly of claim 1, wherein the hollowed out groove is filled with a material that is light permeable.

3. The key assembly of claim 1, wherein the key assembly includes a transparent plate, the transparent plate is disposed between the front cover and the light source, a boss is disposed on a side of the transparent plate close to the front cover, the boss is shaped to fit the key identifier, and the boss is received in the hollow groove.

4. A key assembly as recited in claim 3, wherein the light-transmissive plate is integrally formed with the front cover.

5. A key assembly as recited in claim 3, wherein the key assembly includes a light guide plate disposed between the light-transmissive plate and the light source.

6. A key assembly as recited in claim 1, wherein the key assembly includes a circuit board, a side of the circuit board facing the front cover having a light emitting element forming the light source, and a side of the circuit board facing the rear cover having keys.

7. The key assembly of claim 6, wherein the key assembly comprises two light emitting elements and two keys, the two light emitting elements are respectively disposed on two opposite sides of a side of the circuit board facing the front cover, and the two keys are respectively disposed on two opposite sides of a side of the circuit board facing the rear cover.

8. The key assembly of claim 6, further comprising a middle frame, wherein the middle frame is fixedly connected to the front cover, the rear cover abuts against the middle frame, a limiting boss is disposed on one side of the middle frame facing the front cover, a limiting through hole is disposed on the rear cover, and one side of the limiting boss facing the rear cover abuts against the limiting through hole; the key is contained in the limiting through hole, and the front cover and the middle frame are both in sliding connection with the rear cover.

9. The key assembly of claim 8, wherein a side of the limiting boss facing the front cover abuts against the circuit board, a side of the key away from the circuit board is flush with a side of the rear cover away from the circuit board, and the front cover is connected with the middle frame screw.

10. An electronic device, wherein the electronic device comprises a housing and a key assembly according to any one of claims 1-9, and the key assembly is fixedly connected with the housing of the electronic device.