CN209981062U

CN209981062U - Key structure and electronic equipment with same

Info

Publication number: CN209981062U
Application number: CN201920969868.0U
Authority: CN
Inventors: 王伟德; 金翔宇
Original assignee: SHENZHEN XTOOLTECH Co Ltd
Current assignee: Shenzhen Yunjia Intelligent Technology Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-01-21
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a key structure and electronic equipment with the same, wherein, the key structure comprises an equipment shell, a key cap and a key switch, the equipment shell is provided with a key hole, the inner wall of the equipment shell is provided with a guide strip, and the guide strip is close to the key hole; the key cap is made of hard plastic and comprises a body and a cap peak formed on the periphery of the body, and the body is positioned in the key hole and used for a user to press; the cap brim stops in the equipment shell, a guide groove is formed in the cap brim, and the guide groove is in sliding fit with the guide strip so that the key cap slides along the pressing direction; the key switch is arranged in the equipment shell and is opposite to the keycap so as to be pressed by the keycap. According to the utility model provides a button structure can prevent card dun scheduling problem, improves and presses down feel. In addition, the key structure has few components and simple structure, and in addition, soft glue and the like are not needed, so the cost can be reduced.

Description

Key structure and electronic equipment with same

Technical Field

The utility model relates to an electronic equipment especially relates to a button structure and have its electronic equipment.

Background

The key is used as an important component of the electronic equipment and is mainly used for human-computer interaction by a user. In the related art, the key has a complex structure and a click feeling when pressed, and in addition, the key is made of soft rubber materials such as silica gel or rubber and has high cost.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a key structure.

Another object of the present invention is to provide an electronic device.

To achieve the above object, on the one hand, according to the utility model discloses a key structure, include:

the key hole is formed in the equipment shell, the inner wall of the equipment shell is provided with a guide strip, and the guide strip is close to the key hole;

the key cap is made of hard plastic and comprises a body and a cap peak formed on the periphery of the body, and the body is positioned in the key hole and used for a user to press; the cap brim stops in the equipment shell, a guide groove is formed in the cap brim, and the guide groove is in sliding fit with the guide strip so that the key cap slides along the pressing direction;

and the key switch is arranged in the equipment shell and is opposite to the keycap so as to be touched and pressed by the keycap.

According to the utility model provides a button structure, the inner wall of equipment shell is equipped with the gib block, and the brim of a hat backstop of key cap is in the equipment shell, and is equipped with the guide way with gib block sliding fit on the brim of a hat, so, utilizes the cooperation of gib block and guide way, can make the key cap slide along pressing down the direction, prevents to block the scheduling problem, improves and presses down feel. In addition, the key structure has few components and simple structure, and in addition, soft glue and the like are not needed, so the cost can be reduced.

In addition, the key structure according to the above embodiment of the present invention may further have the following additional technical features:

according to the utility model discloses an embodiment, the key cap still includes two elasticity limit feet, two the elasticity limit foot is located respectively the both sides of body and with the brim of a hat or the body links to each other, two elasticity limit foot stop in the equipment shell.

According to an embodiment of the present invention, the device housing includes an upper housing and a lower housing, the upper housing is detachably connected to the lower housing;

the side wall of the lower shell is provided with a notch, the upper side of the notch is opened to form an open side, and when the upper shell is connected with the lower shell, the upper shell closes the open side to form the keyhole.

According to an embodiment of the present invention, the inner surface of the side wall of the lower case is provided with a first hat brim groove surrounding the opening, and two side foot grooves respectively located at both sides of the first hat brim groove and communicated with the first hat brim groove;

at least one part of the brim is located in the first brim groove, two the elasticity foot and two the foot groove one-to-one, every at least one part of elasticity foot is located the correspondence the foot inslot.

According to an embodiment of the invention, the inner surface of the side wall of the upper shell is provided with a second cap brim surrounding the opening, another part of the cap brim being located within the second cap brim.

According to an embodiment of the invention, each of the first and second cap gutters is provided with at least one said guide strip.

According to the utility model discloses an embodiment, be equipped with two stop parts in the inferior valve, two stop part and two elasticity limit foot one-to-one, every stop part stop in corresponding the inboard of elasticity limit foot.

According to an embodiment of the present invention, the stopper portion is located at an end of the elastic temple away from the visor.

On the other hand, according to the utility model discloses electronic equipment, have the button structure as above.

According to the utility model provides an electronic equipment has above-mentioned button structure, consequently, its button feel is better, simple structure, and is with low costs.

According to the utility model discloses an embodiment, electronic equipment is tire pressure detector.

Additional aspects and advantages of the invention 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 invention.

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 an electronic device in an embodiment of the present invention;

fig. 2 is an exploded view of a part of the electronic device according to an embodiment of the present invention;

fig. 3 is another exploded view of a part of the electronic device according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural diagram of an assembly of a keycap and a lower shell in an electronic device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of the keycap and the lower shell split in the embodiment of the present invention.

Reference numerals:

an equipment case 10;

an upper case 101;

guide bars

1011, 1021;

a second visor groove 1012;

a lower case 102;

a gap 1022;

a first visor groove 1023;

a leg slot 1024;

a stopper 1025;

a keyhole H101;

a circuit board 11;

a key cap 20;

a body 201;

a visor 202;

a guide groove 2021;

a resilient leg 203;

a key switch 30.

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

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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 the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following describes the key structure and the electronic device according to embodiments of the present invention in detail with reference to the drawings.

Referring to fig. 1 to 6, a key structure according to an embodiment of the present invention includes an apparatus case 10, a key cap 20, and a key switch 30.

Specifically, a key hole H101 is formed on the device housing 10, guide bars 1011, 1021 are formed on the inner wall of the device housing 10, and the guide bars 1011, 1021 are adjacent to the key hole H101, wherein the key hole H101 is used for installing the key cap 20 so as to facilitate the user to operate and press the key cap 20, in the example of fig. 1, the key hole H101 is formed on the side wall of the device, and it can be understood that the key hole H101 is formed according to the arrangement position of the keys. The guide bars 1011, 1021 extend in the axial direction of the keyhole H101, and the guide bars 1011, 1021 are adjacent to the keyhole H101, it being understood that the guide bars 1011, 1021 may be plural, and the

plural guide bars

1011, 1021 may be arranged at intervals in the circumferential direction around the keyhole H101.

The key cap 20 is made of hard plastic, the key cap 20 includes a body 201 and a cap brim 202 formed on the periphery of the body 201, and the body 201 is located in the key hole H101 for pressing operation by a user; the visor 202 is stopped in the device case 10, a guide groove 2021 is formed in the visor 202, and the guide groove 2021 is slidably engaged with the guide strips 1011 and 1021 to slide the key cap 20 in the pressing direction.

That is, the key cap 20 is made of a non-soft plastic material, but a hard plastic material with a certain hardness, such as a PC material, an ABS material, and the like. The key cap 20 mainly comprises a body 201 and a cap peak 202, the body 201 is located in the key hole H101 and can be pressed when operated by a user, and the cap peak 202 is stopped in the device case 10 to prevent the key cap 20 from being separated from the device case 10. In addition, the guide groove 2021 on the visor 202 is slidably fitted with the guide bars 1011, 1021 on the apparatus case 10, so that the key top 20 can be reliably slid in the pressing direction when the user presses the body 201.

It can be understood that, the guide grooves 2021 on the visor 202 correspond to the guide bars 1011, 1021 in the device case 10 one by one, when there are a plurality of

guide bars

1011, 1021 in the device case 10, there are a plurality of corresponding guide grooves 2021 on the visor 202, each guide groove 2021 is in sliding fit with the

corresponding guide bar

1011, 1021, and by the fit of the plurality of

guide bars

1011, 1021 and the plurality of guide grooves 2021, it can be ensured that the keycap 20 slides more smoothly and reliably when pressed.

The key switch 30 is disposed in the device case 10 and opposite to the key cap 20 for pressing the key cap 20. Preferably, the key switch 30 abuts against the body 201 of the key cap 20, and the key switch 30 is disposed on the circuit board 11, for example, and the circuit board 11 is installed in the device housing 10. When the user operates to press the key top 20, the key top 20 moves toward the inside of the device case 10, and the key switch 30 is pressed by the body 201.

According to the utility model provides a key structure, the inner wall of equipment shell 10 is equipped with

gib block

1011, 1021, and the brim of a hat 202 backstop of key cap 20 is in equipment shell 10, and is equipped with on the brim of a hat 202 with

gib block

1011, 1021 sliding fit's guide way 2021, so, utilize

gib block

1011, 1021 and guide way 2021's cooperation, can make key cap 20 slide along pressing the direction, prevent the card and pause scheduling problem, improve and press the feel. In addition, the key structure has few components and simple structure, and in addition, soft glue and the like are not needed, so the cost can be reduced.

Referring to fig. 2 to 6, in some embodiments of the present invention, the key cap 20 further includes two elastic side legs 203, two of the elastic side legs 203 are respectively located at two sides of the body 201 and connected to the brim 202 or the body 201, and two of the elastic side legs 203 are stopped in the device housing 10.

That is, one of the two elastic side legs 203 is located on one side of the body 201, the other of the two elastic side legs 203 is located on the other side of the body 201, and the two elastic side legs 203 are connected to the visor 202 or the body 201, in the example of fig. 1, the elastic side legs 203 are connected to the visor 202, and preferably, the elastic side legs 203, the visor 202 and the body 201 are of an integrally molded structure. Furthermore, the spring legs 203 are stopped in the device housing 10, i.e. the spring legs abut against the inner wall of the device housing 10.

So, on the one hand, when the user pressed the operation body 201, the body 201 moved to the equipment shell 10, and at this moment, the elasticity leftover bits 203 took place a certain amount of deformation, and when the user loosened the body 201, the elasticity leftover bits 203 recovered the deformation, and then compelled body 201 to reset fast, and then improved button resilience performance and feel. On the other hand, the elastic side legs 203 stop in the device case 10, so that the keycap 20 can be further prevented from falling off from the device case 10, and the reliability of the assembly between the keycap 20 and the device case 10 can be improved.

Referring to fig. 2 to 3, in some embodiments of the present invention, the device case 10 includes an upper case 101 and a lower case 102, and the upper case 101 is detachably connected to the lower case 102; a cutout 1022 is opened in a side wall of the lower case 102, an upper side of the cutout 1022 is opened to form an opened side, and when the upper case 101 is coupled to the lower case 102, the upper case 101 closes the opened side to form the key hole H101.

During the assembly, install circuit board 11 to the inferior valve 102 earlier in, assemble keycap 20 to the keyhole H101 of inferior valve 102 again, at last again with epitheca 101 with the inferior valve 102 be connected can, so, the equipment is convenient to, the processing of equipment shell 10 is simpler.

Referring to fig. 4 to 6, in an embodiment of the present invention, the inner surface of the sidewall of the lower case 102 is provided with a first visor groove 1023 surrounding the opening 1022, and two temple grooves 1024 respectively located at both sides of the first visor groove 1023 and communicating with the first visor groove 1023; at least a portion of the visor 202 is positioned in the first visor slot 1023, two of the resilient temple pieces 203 are in one-to-one correspondence with the two temple slots 1024, and at least a portion of each of the resilient temple pieces 203 is positioned in the corresponding temple slot.

In this embodiment, establish the first brim of a hat groove 1023 of brim of a hat 202 in, establish two elasticity limit feet 203 respectively in that limit foot groove 1024 in, on the one hand, utilize the cooperation of brim of a hat 202 with first brim of a hat groove 1023, and the cooperation of elasticity limit foot 203 and limit foot groove 1024, can make the cooperation closely more reliable between key cap 20 and the equipment shell 10, prevent key cap 20 relative rotation scheduling problem on equipment shell 10, on the other hand, can prevent that key cap 20 from the inner wall protrusion of equipment shell 10, make the structure compacter, the inner space of equipment shell 10 is not taken up by key cap 20, improve the space with the utilization ratio.

Advantageously, the inner surface of the side wall of the upper shell 101 is provided with a second brim groove 1012 surrounding the gap 1022, and another part of the brim 202 is positioned in the second brim groove 1012, so that the key cap 20 can be more firmly matched with the device shell 10 by the second brim groove 1012 and the brim 202.

Optionally, each of the first brim groove 1023 and the second brim groove 1012 is provided with at least one of the guide strips 1011, 1021, so that the guide strips 1011, 1021 are arranged in the first brim groove 1023 and the second brim groove 1012, so that the guide strips 1011, 1021 are convenient to match with the guide grooves 2021 on the brim 202, the keycap 20 is ensured to slide more reliably, and the structure is simpler and more compact.

Referring to fig. 4 to 6, in an embodiment of the present invention, two stopping portions 1025 are disposed in the lower case 102, the two stopping portions 1025 correspond to the two elastic legs 203 one by one, each stopping portion 1025 stops at the inner side of the corresponding elastic leg 203, and preferably, the stopping portions 1025 are integrally formed with the device case 10.

When a user operates and presses the key cap 20, when the key cap 20 moves towards the inside of the device shell 10, the stop part 1025 stops at the inner side of the elastic side foot 203, so that the elastic side foot 203 does not slide inwards along with the key cap 20, but deforms inwards, in other words, the stop function of the stop part 1025 on the elastic side foot 203 can ensure that the elastic side foot 203 can reliably deform during the pressing operation, and further the key cap 20 can be forced to quickly reset, thereby achieving better key resilience performance and pressing texture.

Advantageously, the stopping part 1025 is located at an end of the elastic side foot 203 far away from the visor 202, so that when the user presses and operates the key cap 20, the elastic side foot 203 has a larger elastic deformation amount, thereby further improving the key resilience and the pressing texture.

According to the utility model discloses electronic equipment has as above the button structure. It should be noted that the electronic device may be, but is not limited to, a tire pressure detector, etc.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A key structure, comprising:

2. The key structure of claim 1, wherein the key cap further comprises two elastic legs, the two elastic legs are respectively located at two sides of the body and connected to the visor or the body, and the two elastic legs are stopped in the device housing.

3. The key structure according to claim 2, wherein the device case includes an upper case and a lower case, the upper case being detachably coupled with the lower case;

4. The key structure according to claim 3, wherein the inner surface of the side wall of the lower case is provided with a first hat brim groove surrounding the opening, and two side foot grooves respectively located at both sides of the first hat brim groove and communicated with the first hat brim groove;

5. The key structure according to claim 4, wherein an inner surface of the side wall of the upper case is provided with a second cap gutter surrounding the cutout, and another portion of the cap gutter is located within the second cap gutter.

6. The key structure of claim 5, wherein each of the first and second cap gutters is provided with at least one of the guide strips.

7. The key structure of claim 3, wherein two stopping portions are provided in the lower shell, the two stopping portions correspond to the two elastic legs one by one, and each stopping portion stops at the inner side of the corresponding elastic leg.

8. The key structure of claim 7, wherein the stop portion is located at an end of the resilient temple remote from the visor.

9. An electronic device characterized by having the key structure according to any one of claims 1 to 8.

10. The electronic device of claim 9, wherein the electronic device is a tire pressure detector.