CN210839938U

CN210839938U - Key structure, key device and intelligent sound box

Info

Publication number: CN210839938U
Application number: CN201921496809.2U
Authority: CN
Inventors: 樊建军; 王伟; 洪健铭
Original assignee: Alibaba Group Holding Ltd
Current assignee: Alibaba Group Holding Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-23
Anticipated expiration: 2029-09-09

Abstract

The specification provides a button structure, a button device and an intelligent sound box. The intelligent sound box comprises: the loudspeaker box comprises a loudspeaker box body, wherein the surface of the loudspeaker box body is provided with an accommodating cavity, a switch unit is arranged in the accommodating cavity, and at least part of the inner surface of the accommodating cavity is an inclined plane. The key structure is assembled in the accommodating cavity, and part of the key structure protrudes out of the accommodating cavity; an inclined plane positioning structure is formed on the side part of the key structure and is abutted against the inclined plane; the bottom of the key structure is provided with a plurality of elastic supporting parts and a contact part used for being matched with the switch unit, and the elastic supporting parts are supported at the bottom of the accommodating cavity.

Description

Key structure, key device and intelligent sound box

Technical Field

The specification relates to the technical field of sound boxes, in particular to a key structure, a key device and an intelligent sound box.

Background

The recognition rate of far-field voice interaction of the intelligent sound box is one of important indexes of the product quality. Speech recognition rates are involved in the fields of microphone arrays, echo cancellation, noise suppression, speech enhancement, gain control, and algorithms. The structural design of the product is important to ensure that the whole machine is designed to have no structural vibration sound, the structural vibration sound is the sound of the sound cavity to drive peripheral devices to cause vibration, the sensitivity from the sound box to the microphone is the vibration frequency, and therefore the remote voice recognition rate is reduced, and the sound is called as the structural vibration sound.

Therefore, the speech recognition rate of the intelligent sound box is greatly related to the structure earthquake sound, and if the structure generates the resonance, the gain of the microphone is influenced, so that the recognition rate of far-field speech is reduced. How to reduce the structural vibration sound of an intelligent voice terminal product with entity keys is a problem to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

This specification provides a can solve button structure, button device and intelligent audio amplifier of structure tremolo.

According to a first aspect of embodiments herein, there is provided a smart speaker, comprising:

the loudspeaker box comprises a loudspeaker box body, wherein an accommodating cavity is formed in the surface of the loudspeaker box body, a switch unit is arranged in the accommodating cavity, and at least part of the inner surface of the accommodating cavity is an inclined surface;

the key structure is assembled in the accommodating cavity, and part of the key structure protrudes out of the accommodating cavity; an inclined plane positioning structure is formed on the side part of the key structure and is abutted against the inclined plane; the bottom of the key structure is provided with a plurality of elastic supporting parts and a contact part used for being matched with the switch unit, and the elastic supporting parts are supported at the bottom of the accommodating cavity.

Furthermore, the accommodating cavity comprises a first accommodating part and a second accommodating part communicated with the first accommodating part, and the first accommodating part is positioned on one side close to the surface of the sound box body; the inner surface of the second accommodating part is arranged in an inclined plane relative to the inner surface of the first accommodating part;

the inclined plane positioning structure is abutted with the inner surface of the second accommodating part; a clearance space is formed between the part of the key structure, which is not provided with the inclined plane positioning structure, and the inner surface of the first accommodating part.

Furthermore, the accommodating cavity also comprises a third accommodating part communicated with the second accommodating part, and a step structure is formed between the inner surface of the third accommodating part and the inner surface of the second accommodating part;

the side part of the key structure extends outwards along the direction far away from the center of the key structure to form a skirt part, and the skirt part is abutted to the step structure.

Furthermore, the key structure comprises a first key body and a second key body, the second key body is connected to the bottom of the first key body, and the hardness of the second key body is less than that of the first key body;

the side part of the first key body extends outwards to form a plurality of inclined extension parts, and the inclined plane positioning structure is formed by the encircling of the plurality of extension parts; the bottom of the second key body extends downwards to form the contact part and the plurality of elastic supporting parts.

Furthermore, the bottom of the first key body protrudes outwards to form a protruding part, the second key body forms a groove part matched with the protruding part, and the protruding part is fixedly connected in the groove part; or

The bottom of the first key body is inwards sunken to form a groove part, the second key body is formed with a protruding part matched with the groove part, and the protruding part is fixedly connected in the groove part.

Further, the first key body is a plastic structural member, and the second key body is a TPU structural member.

Further, the elastic supporting portion is an arc-shaped supporting structure, and the arc-shaped supporting structure is bent outwards or inwards from the bottom edge of the second key body.

Furthermore, the accommodating cavity is of a long strip structure, the second key body is of a corresponding long strip structure, and the elastic supporting parts are symmetrically arranged on two sides of the second key body; or

The accommodating cavity is of a circular structure, the second key body is of a corresponding circular structure, and the elastic supporting parts are uniformly arranged on the second key body along the circumference.

Furthermore, the accommodating cavity is of a long strip structure, the first key body is of a corresponding long strip structure, and the extension parts are symmetrically arranged on two sides of the first key body; or

The accommodating cavity is of a circular structure, the first key body is of a corresponding circular structure, and the plurality of extending parts are uniformly arranged on the first key body along the circumference.

Furthermore, the switch unit comprises a circuit board and a metal elastic sheet which is used for being electrically matched with the circuit board, and the metal elastic sheet is abutted to the contact part.

According to a second aspect of the embodiments of the present specification, there is provided a key structure, in which a bottom of the key structure is provided with a contact portion and a plurality of elastic supporting portions, and a side of the key structure is provided with an inclined positioning structure.

Furthermore, the key structure comprises a first key body and a second key body, and the hardness of the second key body is less than that of the first key body;

the side part of the first key body extends outwards to form a plurality of extension parts, and the extension parts surround to form the inclined plane positioning structure; the bottom of the second key body extends downwards to form the contact part and the plurality of elastic supporting parts.

Furthermore, the elastic supporting portion is an arc-shaped supporting structure formed by extending outwards from the bottom edge of the second key body.

Furthermore, the second key body is of a strip-shaped structure, and the elastic supporting parts are symmetrically arranged on two sides of the second key body; or

The second button body is of a circular structure, and the elastic supporting portions are evenly distributed on the second button body along the circumference.

Furthermore, the first key body is of a long strip-shaped structure, and the extension parts are symmetrically arranged on two sides of the first key body; or

The first key body is of a circular structure, and the extension parts are uniformly arranged on the first key body along the circumference.

Furthermore, the bottom of the extension part extends outwards along the direction away from the center of the first key body to form a first skirt part; the bottom of the second key body extends outwards along a direction far away from the center of the second key body to form a second skirt portion, and the second skirt portion is connected with the first skirt portion.

According to a third aspect of the embodiments of the present specification, there is provided a key device, including a positioning element and a key structure, where an outer surface of the positioning element is used for connecting with an external structure, the positioning element is formed with a positioning installation hole for installing the key structure, and an inner surface of the positioning installation hole is an inclined surface structure; the side part of the key structure is provided with an inclined plane positioning structure matched with the inclined plane structure of the positioning mounting hole, and the bottom of the key structure is provided with a contact part and a plurality of elastic supporting parts.

According to the technical scheme, the inclined plane positioning structure is in butt fit with the inclined plane of the accommodating cavity, so that the positioning and automatic alignment effects are realized, and the phenomenon that the key structure is deflected and resonates with the sound box shell is avoided. The button structure assembles and supports through the elastic support portion after receiving the chamber, can firmly combine button structure and audio amplifier body together to the problem of structure tremolo has been solved.

Drawings

Fig. 1 is a schematic perspective view of a smart speaker according to an exemplary embodiment of the present disclosure.

Fig. 2 is a sectional view of an assembled state of a key structure of a smart sound box according to an exemplary embodiment of the present disclosure.

Fig. 3 is a partial schematic view of fig. 2.

Fig. 4 is a schematic structural diagram of a key structure of a smart sound box according to an exemplary embodiment of the present disclosure.

Fig. 5 is a schematic structural diagram of another view of a key structure of a smart sound box according to an exemplary embodiment of the present disclosure.

Fig. 6 is a top view of a key structure of a smart sound box according to an exemplary embodiment of the present disclosure.

Fig. 7 is a schematic structural diagram of a first key body of a key structure of a smart sound box according to an exemplary embodiment of the present disclosure.

Fig. 8 is a top view of a first key body of a key structure of a smart sound box according to an exemplary embodiment of the present disclosure.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present specification. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the specification, as detailed in the appended claims.

The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present specification. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

The embodiment of the specification provides a key structure, a key device and an intelligent sound box capable of solving structural vibration sound. Wherein, intelligent audio amplifier includes the audio amplifier body and assembles in the button structure of audio amplifier body. The surface of the sound box body is provided with an accommodating cavity, a switch unit is arranged in the accommodating cavity, and at least part of the inner surface of the accommodating cavity is an inclined plane. The key structure is assembled in the accommodating cavity, and part of the key structure protrudes out of the accommodating cavity so as to be pressed by a user. The side part of the key structure is provided with an inclined plane positioning structure, the inclined plane positioning structure is abutted against the inclined plane of the accommodating cavity, and the inclined plane positioning structure is abutted and matched with the inclined plane of the accommodating cavity, so that the positioning and automatic alignment effects are realized, and the key structure is prevented from generating resonance with the loudspeaker box shell in a deflection way. The bottom of the key structure is provided with a plurality of elastic supporting parts and a contact part used for being matched with the switch unit, and the elastic supporting parts are supported at the bottom of the accommodating cavity. The button structure assembles and supports through the elastic support portion after receiving the chamber, can firmly combine button structure and audio amplifier body together to the problem of structure tremolo has been solved. The user presses the key structure, so that the contact part is contacted with the switch unit, and further the corresponding key function is realized. After the user releases the key structure, the key structure can reset through the elastic resetting force generated by the elastic supporting part.

The following describes the key structure, the key device, and the smart speaker in detail with reference to the drawings. The features of the following examples and embodiments may be combined with each other without conflict.

Referring to fig. 1 to 6, an embodiment of the present specification provides an intelligent sound box, which includes a sound box body 10 and a key structure 20 assembled on the sound box body 10. In the example shown in the figures, the key structure 20 is mounted on the top surface of the sound box body 10, and is exemplified by a sound volume adjusting key with a strip-shaped structure. It should be noted that the key structure 20 can be mounted on the top surface or the side surface of the sound box body 10. The key structure 20 may be a circular structure or a strip structure. The key structure 20 may be a power key, a volume adjustment key, or other function keys, which are not limited in this specification.

The speaker body 10 may include a housing 101, and a receiving cavity 102 may be formed on a surface of the housing 101, and may be formed on a top surface or a side surface of the speaker body 10. At least a portion of the inner surface of the receiving cavity 102 is sloped. The accommodating cavity 102 is internally provided with a switch unit, the switch unit may include a circuit board 103 and a metal spring 104 (e.g., a snap piece) electrically matched with the circuit board 103, the circuit board 103 is arranged at the bottom of the accommodating cavity 102, the metal spring 104 is arranged above the circuit board 103, and the middle of the metal spring 104 is arched upwards to form a certain gap with the circuit board 103. In this embodiment, the circuit board 103 may be a PCB circuit board.

The key structure 20 is assembled in the receiving cavity 102 of the speaker body 10, and a part of the key structure 20 may protrude from the receiving cavity 102, so as to be pressed by a user. The side of the key structure 20 is formed with an inclined plane positioning structure 201, the inclined plane positioning structure 201 abuts against the inclined plane of the accommodating cavity 102 of the sound box body 10, and the inclined plane positioning structure 201 abuts against and is matched with the inclined plane of the accommodating cavity 102, so that the key structure 20 is positioned and automatically aligned, and resonance between the key structure 20 and the sound box shell is avoided. It can be understood that the matching gap between the inclined plane positioning structure 201 and the inclined plane of the accommodating cavity 102 is zero, so as to avoid the resonance generated between the key structure 20 and the casing of the sound box body 10. The bottom of the key structure 20 is provided with a plurality of elastic supporting portions 202 and a contact portion 203 for matching with the switch unit, the contact portion 203 abuts against the metal spring 104 of the switch unit, and the plurality of elastic supporting portions 202 are supported at the bottom of the accommodating cavity 102. When a user presses the key structure 20, the contact portion 203 drives the metal dome 104 to deform and electrically contact the circuit board 103, thereby implementing a corresponding key function. After the user releases the key structure 20, the key structure 20 can be reset by the elastic support 202.

Referring to fig. 2 and 3, in some alternative embodiments, the receiving cavity 102 includes a first receiving portion 105 and a second receiving portion 106 in communication with the first receiving portion 105. The first receiving portion 105 is located at a side close to the surface of the speaker body 10. The inner surface of the second receiving portion 106 is inclined relative to the inner surface of the first receiving portion 105, so that at least a part of the inner surface of the receiving cavity 102 is inclined. In the example shown in fig. 2, the first receiving portion 105 is located above the second receiving portion 106, the cross section of the second receiving portion 106 has a trapezoidal structure, and the lateral dimension of the second receiving portion 106 is larger than the lateral dimension of the first receiving portion 105.

After the key structure 20 is assembled in the receiving cavity 102, the inclined positioning structure 201 abuts against the inner surface of the second receiving portion 106, and a clearance space 204 is formed between the portion of the key structure 20 where the inclined positioning structure 201 is not formed and the inner surface of the first receiving portion 105. The gap space 204 is formed between the key structure 20 and the accommodating cavity 102, so that when the key structure 20 is pressed, the key structure 20 and the inner wall of the accommodating cavity 102 are prevented from colliding or rubbing with each other to generate resonance. Through the matching of the inclined plane positioning structure 201 and the inclined plane of the accommodating cavity 102, the functions of positioning and automatic alignment can be performed on the key structure 20, the uniform gap between the key structure 20 and the accommodating cavity 102 is ensured, and the phenomenon that the key structure 20 is deflected to generate resonance with the sound box shell is avoided.

In the present embodiment, the gap dimension a of the gap space 204 formed between the key structure 20 and the first receiving portion 105 may be in a range of 0.1mm to 0.15 mm. The range of the corresponding process dimension b of the side wall of the first accommodating part 105 on the mold may be greater than or equal to 0.1mm, and after the first accommodating part 105 is formed by adopting the process dimension, the gap dimension of the gap space 204 can be controlled between 0.1mm and 0.15mm, so that the interference with the key structure 20 to cause the vibration sound is avoided.

In some alternative embodiments, the key structure 20 includes a first key body 205 and a second key body 206, the second key body 206 is connected to the bottom of the first key body 205, and the hardness of the second key body 206 is less than that of the first key body 205. As shown in fig. 7 and 8, a plurality of inclined extending portions 207 extend outward from the side of the first key body 205, and the inclined positioning structure 201 is formed by the extending portions 207. The contact portion 203 and the plurality of elastic support portions 202 are formed by extending downward from the bottom of the second key body 206. It should be noted that the height of the first key body 205 can be understood as the height of the protrusion from the second key body 206, and the height of the first key body 205 must be set to be greater than the height of the gap between the metal dome 104 and the circuit board 103, i.e. the minimum key stroke of the key structure 20, so as to avoid the key jamming problem when the key structure 20 is pressed.

The first key body 205 and the second key body 206 of the key structure 20 can be injection molded by a two-material injection molding process. The first key body 205 may be made of a hard rubber material, such as a plastic structural member, and the second key body 206 may be made of a soft rubber material, such as a TPU (Thermoplastic polyurethane elastomer rubber) structural member, and the hardness is between 85 degrees and 95 degrees, so that the injection molding yield can be ensured. It is understood that the extension portion 207 and the first key body 205 can be integrally molded by injection molding using the same material, and the elastic support portion 202 and the contact portion 203 can be integrally molded by injection molding using the same material as the second key body 206. Through the arrangement, the part of the elastic supporting part 202 made of soft rubber and in contact with the metal elastic sheet 104 of the switch unit can realize soft contact, and the reduction of contact vibration sound is facilitated. In addition, the second key body 206 can be disposed to form the same inclination angle with the extension portion 207 of the first key body 205, which is convenient for the first key body 205 and the second key body 206 to be injection molded together.

In this embodiment, in order to improve the connection strength between the first key body 205 and the second key body 206, a protruding portion 208 is formed at the bottom of the first key body 205 protruding outwards, a groove portion matching with the protruding portion 208 may be formed on the second key body 206, and the protruding portion 208 is fixed in the groove portion, so as to fix the first key body 205 and the second key body 206 to each other. In another example, the bottom of first key body 205 may be recessed inward to form a groove, and second key body 206 may be formed with a protrusion matching with the groove, and the protrusion is fixed in the groove, so as to fix first key body 205 and second key body 206 to each other. Through the setting, can set up corresponding protrusion structure and groove structure on injection moulding's mould, and then when carrying out the double injection molding process injection moulding to first button body 205 and second button body 206, make first button body 205 and second button body 206 between be connected more firmly.

In some alternative embodiments, for better supporting effect, a plurality of elastic supporting portions 202 may be formed at the bottom edge of the second key body 206, which may enhance the supporting capability of the key structure 20. Alternatively, the elastic support portion 202 may be an arc-shaped support structure, which may be bent outward or inward from the bottom edge of the second key body 206, and may provide a better elastic reset force to the key structure 20 after the key structure 20 is pressed and released.

The receiving cavity 102 may have a strip structure or a circular structure. The accommodating cavity 102 is of a long strip structure, the first key body 205 and the second key body 206 of the key structure 20 are both set to be of corresponding long strip structures, and the plurality of elastic supporting portions 202 are symmetrically arranged on two sides of the second key body 206. The elastic supporting members 202 may be arc-shaped supporting structures formed by bending outward from the bottom edge of the second key body 206, and two elastic supporting members 202 arranged symmetrically may be understood as constituting an outer "eight" shaped structure. The elastic supporting members 202 may also be arc-shaped supporting structures formed by bending inward from the bottom edge of the second key body 206, and two elastic supporting members 202 arranged symmetrically may be understood as forming an inner "eight" shaped structure. Through the arrangement, the supporting stress of the key structure 20 can be uniform, and the generated elastic reset force is uniform after the key structure 20 is pressed and released. The extending portions 207 are symmetrically arranged on two sides of the first key body 205, so that the stress between the inclined positioning structure 201 and the accommodating cavity 102 formed by enclosing is more uniform. Of course, in other examples, the elastic supporting member 202 on one side of the second key body 206 can be an arc-shaped supporting structure formed by bending the bottom edge of the second key body 206 outwards, and the elastic supporting member 202 on the other side of the second key body 206 can be an arc-shaped supporting structure formed by bending the bottom edge of the second key body 206 inwards. The bending manner of the elastic support 202 can be set according to practical situations, and the description does not limit this.

The accommodating cavity 102 is of a circular structure, the first key body 205 and the second key body 206 of the key structure 20 are both set to be of corresponding circular structures, the elastic supporting portions 202 are uniformly arranged on the second key body 206 along the circumference, the supporting stress of the key structure 20 can be uniform, and after the key structure 20 is pressed and released, the generated elastic reset force is uniform. The extending portions 207 are uniformly arranged on the first key body 205 along the circumference, so that the stress between the inclined positioning structure 201 and the accommodating cavity 102 formed by the enclosing is more uniform.

In this embodiment, the receiving cavity 102 is a strip structure, and the number of the extending portions 207 is four, and the extending portions are symmetrically arranged on two sides of the first key body 205. The width dimension of the extension 207 may be set to 2.5mm or more, and may be specifically determined according to the mold gate width. The number of the elastic support portions 202 is four, and the elastic support portions are symmetrically arranged on two sides of the second key body 206. The height dimension of the elastic supporting part 202 can be set to be larger than or equal to 1.2mm, the width dimension of the elastic supporting part 202 can be set to be between 0.5 mm-0.8 mm, the distance between two adjacent elastic supporting parts 202 can be adjusted according to actual conditions, the pressing force increase is avoided, and the influence on hand feeling can be achieved. The number of the elastic supporting portions 202 may be determined according to the shape of the receiving cavity 102, and the description is not limited thereto.

In some optional embodiments, the receiving cavity 102 may further include a third receiving portion 107 communicated with the second receiving portion 106, and a step structure 108 is formed between an inner surface of the third receiving portion 107 and an inner surface of the second receiving portion 106. The side of the key structure 20 may be extended outward in a direction away from the center of the key structure 20 to form a skirt portion, and the skirt portion abuts against the step structure 108, so that the key structure 20 can be more stably assembled in the receiving cavity 102. Moreover, when the key structure 20 is pressed, the contact portion 203 of the key structure 20 pushes the metal elastic sheet 104 to contact the circuit board 103, and the skirt portion can extend the discharge path generated by the key structure 20, thereby achieving the anti-static effect.

Optionally, the bottom of the extension portion 207 of the first key body 205 may extend outward along a direction away from the center of the first key body 205 to form a first skirt portion 209, the bottom of the second key body 206 may extend outward along a direction away from the center of the second key body 206 to form a second skirt portion 210, and the second skirt portion 210 is connected to the first skirt portion 209 to form the whole skirt portion of the key structure 20, so that the first key body 205 and the second key body 206 are conveniently molded by injection molding together.

Through the matching of the inclined plane positioning structure 201 and the inclined plane of the accommodating cavity 102, the functions of positioning and automatic alignment are performed on the key structure 20, and the skirt part of the key structure 20 can be prevented from generating resonance with the sound box shell. After the key structure 20 is assembled into the receiving cavity 102, the elastic supporting portion 202 of the second key body 206 provides a supporting force for the key structure 20, so that a gap between the skirt portion of the key structure 20 and the speaker housing due to tolerance accumulation can be avoided, and thus, a structure vibration sound is avoided.

The embodiment of the specification further provides a key device, which comprises a positioning piece and a key structure, wherein the outer surface of the positioning piece is used for being connected with an external structure, a positioning installation hole for installing the key structure is formed in the positioning piece, and the inner surface of the positioning installation hole is of an inclined plane structure; the side part of the key structure is provided with an inclined plane positioning structure matched with the inclined plane structure of the positioning mounting hole, and the bottom of the key structure is provided with a contact part and a plurality of elastic supporting parts. It should be noted that the description of the key structure in the above embodiments and embodiments is also applicable to the key device in this specification.

In practical application, the internal surface of seting up on the audio amplifier and accepting the chamber can be flat and straight face, can fix the setting element in this is acceptd the intracavity through viscose or other modes earlier, then install button structure in the installation locating hole of this setting element, through the inclined plane structure butt cooperation of the inclined plane location structure of button structure and the installation locating hole of setting element, and then fix button structure in the intracavity of acceping of audio amplifier, the setting element can play the effect of location and supplementary installation.

Other embodiments of the present disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This specification is intended to cover any variations, uses, or adaptations of the specification following, in general, the principles of the specification and including such departures from the present disclosure as come within known or customary practice within the art to which the specification pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the specification being indicated by the following claims.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only a preferred embodiment of the present disclosure, and should not be taken as limiting the present disclosure, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.

Claims

1. An intelligent sound box, comprising:

2. The smart sound box of claim 1, wherein the receiving cavity comprises a first receiving portion and a second receiving portion communicating with the first receiving portion, the first receiving portion being located at a side close to a surface of the sound box body; the inner surface of the second accommodating part is arranged in an inclined plane relative to the inner surface of the first accommodating part;

3. The smart sound box of claim 2, wherein the receiving cavity further comprises a third receiving portion in communication with the second receiving portion, and a step structure is formed between an inner surface of the third receiving portion and an inner surface of the second receiving portion;

4. The smart sound box according to claim 1, wherein the button structure includes a first button body and a second button body, the second button body is connected to a bottom of the first button body, and a hardness of the second button body is less than a hardness of the first button body;

5. The smart sound box according to claim 4, wherein a protrusion is formed at the bottom of the first button body in an outward protruding manner, a groove adapted to the protrusion is formed at the second button body, and the protrusion is fixed in the groove; or

6. The smart sound box of claim 4, wherein the first button body is a plastic structural member and the second button body is a TPU structural member.

7. The smart sound box of claim 4, wherein the elastic support portion is an arc-shaped support structure, and the arc-shaped support structure is bent outward or inward from a bottom edge of the second key body.

8. The smart sound box according to claim 4, wherein the accommodating cavity has a strip-shaped structure, the second key body has a corresponding strip-shaped structure, and the plurality of elastic support portions are symmetrically arranged on two sides of the second key body; or

9. The smart sound box according to claim 4, wherein the accommodating cavity has a strip-shaped structure, the first key body has a corresponding strip-shaped structure, and the plurality of extending portions are symmetrically arranged on two sides of the first key body; or

10. The smart speaker of claim 1, wherein the switch unit comprises a circuit board and a metal spring plate electrically engaged with the circuit board, and the metal spring plate abuts against the contact portion.

11. The key structure is characterized in that a contact part and a plurality of elastic supporting parts are arranged at the bottom of the key structure, and an inclined plane positioning structure is arranged at the side part of the key structure.

12. The key structure according to claim 11, wherein the key structure includes a first key body and a second key body, the second key body having a hardness less than that of the first key body;

13. The key structure of claim 12, wherein the first key body is a plastic structural member and the second key body is a TPU structural member.

14. The key structure according to claim 12, wherein the elastic support portion is an arc-shaped support structure extending outward from a bottom edge of the second key body.

15. The key structure according to claim 12, wherein the second key body has a strip shape, and the plurality of elastic support portions are symmetrically arranged on two sides of the second key body; or

16. The key structure according to claim 12, wherein the first key body has a strip shape, and the extension portions are symmetrically disposed on two sides of the first key body; or

17. The key structure according to claim 12, wherein a bottom portion of the extension portion is formed with a first skirt portion extending outward in a direction away from a center of the first key body; the bottom of the second key body extends outwards along a direction far away from the center of the second key body to form a second skirt portion, and the second skirt portion is connected with the first skirt portion.

18. A key device is characterized by comprising a positioning piece and a key structure, wherein the outer surface of the positioning piece is used for being connected with an external structure, a positioning installation hole for installing the key structure is formed in the positioning piece, and the inner surface of the positioning installation hole is of an inclined plane structure; the side part of the key structure is provided with an inclined plane positioning structure matched with the inclined plane structure of the positioning mounting hole, and the bottom of the key structure is provided with a contact part and a plurality of elastic supporting parts.