CN211555738U

CN211555738U - Key and voice device with same

Info

Publication number: CN211555738U
Application number: CN201922358870.7U
Authority: CN
Inventors: 廖承先; 范云龙; 刘亚杰; 法比奥·圣阿加塔
Original assignee: Shenzhen 3Nod Digital Technology Co Ltd
Current assignee: Shenzhen 3Nod Digital Technology Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-22
Anticipated expiration: 2029-12-24

Abstract

The utility model belongs to the technical field of keys, and relates to a key and a voice device with the key, which comprises a shell, a circuit board, a switch device and a pressing component, wherein the shell is provided with a mounting hole, the circuit board is arranged on the bottom of the shell, and the switch device is arranged on the circuit board; the pressing component is arranged between the shell and the circuit board and can be pressed outside the shell to trigger the switch device; the pressing assembly comprises a buffer piece and a pressing piece connected to the buffer piece. The key and the voice equipment can ensure that the key is accurately assembled in place, the eccentric phenomenon cannot be caused due to factors such as design clearance, key deformation and assembly error, noise is not easily generated when the key and the voice equipment are used, and the comfort level and the experience feeling of a user are greatly improved.

Description

Key and voice device with same

Technical Field

The utility model belongs to the technical field of the button technique and specifically relates to indicate a button and have speech equipment of this button.

Background

Most of various intelligent voice products, sound products and other voice products on the market at present have physical keys. These buttons generally adopt modes such as screw or double faced adhesive tape to fix on the shell, because factors such as design clearance, button deformation, equipment error cause easily that produce the off-centre phenomenon between button and the touch screen switch, lead to hard contact and produce the tremolo between the casing of button and product, form the noise, lead to intelligent pronunciation product speech recognition degree of accuracy not high, the tone quality of stereo set product is not good, influences the quality of whole pronunciation product.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical problem that will solve is how to avoid current button to produce the tremolo easily in the use to improve speech equipment's speech recognition degree of accuracy and tone quality, thereby promote speech equipment's quality.

In order to solve the technical problem, an embodiment of the utility model provides an electronic product button has adopted technical scheme as follows: the circuit board is arranged on the bottom of the shell, and the switch device is arranged on the circuit board; the pressing component is arranged between the shell and the circuit board and can be pressed outside the shell to trigger the switch device; the pressing assembly comprises a buffer part and a pressing piece connected to the buffer part;

the buffer piece can abut against the switch device at the top of the switch device, the buffer piece comprises a sliding sleeve, the sliding sleeve is inserted into the mounting hole and is concentric with the mounting hole, and the sliding sleeve is provided with a sleeve hole along the central axis of the sliding sleeve;

in the mounting hole, one side of the pressing piece, which is far away from the switch device, is inserted into the sleeve hole of the buffer piece, and the pressing piece and the sleeve hole can move in a reciprocating mode along the axial direction of the mounting hole and are arranged concentrically.

Further, a containing cavity is defined between the shell and the circuit board and is communicated with the mounting hole, the buffer piece further comprises a supporting part, the supporting part is connected to the bottom of the sliding sleeve and is located in the containing cavity, an avoiding groove isolated from the sleeve hole is formed in the bottom of the supporting part, and the switch device is arranged in the avoiding groove.

Further, a gap facilitating deformation of the buffer member exists between the peripheral wall of the support portion and the housing.

Furthermore, in the outside of sliding sleeve, the buffer slot has been seted up at the top of supporting part.

Further, the supporting part and the sliding sleeve are coaxially arranged.

Further, the length of sliding sleeve is less than the degree of depth of mounting hole, the bottom butt of supporting part in the inner wall of shell.

Furthermore, the pressing piece comprises an insertion part and a triggering part connected with the insertion part, the insertion part is inserted into the sleeve hole of the sliding sleeve, and the triggering part is positioned in the mounting hole at the top of the sliding sleeve.

Furthermore, the distance between the side wall of the triggering part and the wall of the mounting hole ranges from 0.1mm to 0.3 mm.

Furthermore, a fixing column is convexly arranged on one side, close to the circuit board, of the shell, a fixing hole is formed in the circuit board, and the fixing column is inserted into the fixing hole and is connected to the circuit board through a connecting piece.

The problem that the quality of the voice equipment is influenced due to the fact that the voice recognition accuracy and the tone quality of the voice equipment are not high and poor because the existing keys easily generate the tremolo in the using process is further solved. The utility model also provides a speech equipment, this speech equipment includes foretell button.

Compared with the prior art, the utility model discloses a button and have voice device of this button mainly have following beneficial effect: this switching device of button, the bolster, pressing piece and mounting hole set up with one heart, can guarantee that the button equipment is accurate targets in place, can not be because of design clearance, the button warp, factor such as equipment error produces eccentric phenomenon, and the bolster has the antidetonation function, pressing piece passes through bolster and switching device indirect contact, and need not direct hard contact, so, can avoid the button to produce the tremolo easily in the use, with speech recognition degree of accuracy and tone quality that improves speech equipment, thereby promote speech equipment's quality, the comfort level and the experience that the user used have greatly been improved are felt.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and 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 these drawings without inventive effort.

Fig. 1 is a schematic perspective view of a key according to an embodiment of the present invention;

FIG. 2 is an exploded view of the key of FIG. 1;

FIG. 3 is a top view of the key of FIG. 1;

fig. 4 is a sectional view taken along line a-a in fig. 3.

Description of reference numerals:

100. pressing a key;

10. a circuit board; 11. a switching device; 12. a fixing hole;

20. a housing; 21. mounting holes; 22. fixing a column; 23. a screw hole; 24. a bolt;

30. a pressing member; 31. a plug-in part; 32. a trigger section;

40. a buffer member; 41. a sliding sleeve; 411. trepanning; 42. a contact portion; 421. an avoidance groove; 422. a buffer tank; 43. a support portion.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the terms "including" and "having," and any variations thereof, in the description and claims of the invention and the above description of the drawings are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

It should be noted that the present key 100 can be used in a voice product such as a sound box, but actually can also be used in other suitable electronic products.

As shown in fig. 1 to 4, an embodiment of the present invention provides a key 100, including a housing 20, a circuit board 10, a switch device 11, and a pressing component (no mark is shown in the figures), where the housing 20 is provided with a mounting hole 21, the circuit board 10 is disposed on the bottom of the housing 20, and the switch device 11 is disposed on the circuit board 10; the pressing component is arranged between the shell 20 and the circuit board 10 and can be pressed outside the shell 20 to trigger the switch device 11; the pressing assembly comprises a buffer member 40 and a pressing piece 30 connected to the buffer member 40; the buffer member 40 can abut against the switch device 11 at the top of the switch device 11, the buffer member 40 includes a sliding sleeve 41, the sliding sleeve 41 is inserted into the mounting hole 21 and is concentrically arranged with the mounting hole 21, and the sliding sleeve 41 is provided with a sleeve hole 411 along a central axis thereof; in the installation hole 21, the pressing element 30 is inserted into the sleeve hole 411 of the buffer 40 at a side away from the switch device 11, and can reciprocate along the axial direction of the installation hole 21, and the pressing element 30 and the sleeve hole 411 are concentrically arranged.

Compared with the prior art, this switch device 11 of button 100, bolster 40, press piece 30 and mounting hole 21 set up with one heart, can guarantee that button 100 equipment is accurate targets in place, can not be because of design clearance, the button warp, factors such as assembly error produce eccentric phenomenon, and because bolster 40 has the antidetonation function, thus, when using button 100, bolster 40 hugs closely press piece 30 and switch device 11 all the time, the user presses the in-process of press piece 30, press piece 100 difficult production tremolo, with the speech recognition degree of accuracy and the tone quality that improve speech equipment, thereby promote speech equipment's quality.

As shown in fig. 2 and 4, in this embodiment, in order to dispose the circuit board 10 on the bottom of the housing 20, a fixing post 22 is protruded from one side of the housing 20 close to the circuit board 10 (i.e., the bottom of the housing 20), a fixing hole 12 inserted into and matched with the fixing post 22 is formed on the circuit board 10, a screw hole 23 is formed on the fixing post 22, a bolt 24 is connected to the screw hole 23 through an internal thread, a diameter of a head of the bolt 24 is greater than a diameter of the fixing hole 12, and a length of a screw of the bolt 24 is less than or equal to a depth of the screw hole 23. It can be understood that the circuit board 10 is fixed to the housing 20 by the bolts 24, and the rotation of the bolts 24 can make the housing 20 and the circuit board 10 clamp the pressing assembly, so as to ensure that the pressing assembly is not easy to loose, thereby forming assembly errors.

Specifically, in the present embodiment, the casing 20 is a rectangular parallelepiped, the circuit board 10 is a hard board, and the switch device 11 is a light touch switch, wherein the switch device 11 can be soldered on the circuit board 10.

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

In some embodiments, as shown in fig. 4, the buffer member 40 includes a sliding sleeve 41 slidably engaged with the mounting hole 21, a contact portion 42 fixed at the bottom of the sliding sleeve 41 and used for abutting against the switch device 11, and a support portion 43 disposed around the contact portion 42, wherein the thickness of the support portion 43 is greater than that of the contact portion 42, and the switch device 11 is located in a cavity formed by the support portion 43 and the contact portion 42. A gap facilitating deformation of the buffer member 40 exists between the peripheral wall of the support portion 43 and the housing 20.

In the present embodiment, the upper and lower ends of the supporting portion 43 abut against the circuit board 10 and the housing 20, respectively. During assembly, the bolt 24 is tightened to clamp the supporting portion 43 between the circuit board 10 and the housing 20, so that the buffer member 40 is not easily loosened, the pressing member 30 is eccentric, and product use is affected. The support portion 43 can support the contact portion 42 such that the contact portion 42 contacts the switch device 11 but is not easily pressed against the switch device 11.

Preferably, in order to further define the position of the buffer member 40 and make the buffer member 40 less prone to eccentricity, the contact portion 42 is provided with an avoiding groove 421 for accommodating the end portion of the switch device 11, and a plane projection of the avoiding groove 421 is located in a plane projection of the sliding sleeve 41.

Preferably, in the outside of the sliding sleeve 41, the top of the supporting portion 43 (specifically, the top of the contact portion 42) is provided with an annular buffer groove 422 around the sliding sleeve 41, the arrangement of the buffer groove 422 reduces the thickness of the contact portion 42 at the edge of the sliding sleeve 41, the deformation capability of the contact portion 42 is improved, when the pressing member 30 is pressed, the sliding sleeve 41 moves towards the direction close to the contact portion 42, the contact portion 42 moves towards the direction close to the switch device 11, the contact portion 42 is easy to deform, and the sensitivity of the present novel usage is improved.

Preferably, the length of the sliding sleeve 41 is smaller than the depth of the mounting hole 21, so that on one hand, the sliding sleeve 41 can be clamped in the mounting hole 21 and is not easy to be separated from the mounting hole 21; on the other hand, the concentricity of the sliding sleeve 41 and the mounting hole 21 can be improved, and the pressing piece 30 is not easy to be eccentric when in use; on the other hand, the sliding sleeve 41 can be prevented from being seen from the outside, thereby making the key more beautiful.

In this embodiment, the buffer 40 is a silicone integrally formed component. The silica gel material has elasticity, has certain buffering and deformation effects, is not easy to generate noise when in use, and also has an anti-seismic effect; adopt integrated into one piece, joint strength is higher between each part of bolster 40, can produce the bolster 40 in large quantities after the shaping die utensil of preparation, reduction in production cost.

As shown in fig. 1, the pressing member 30 includes an insertion portion 31 engaged with the sliding sleeve 41, and a trigger portion 32 protruding from the housing 20. Specifically, the cross section of the pressing member 30 is T-shaped, the insertion part 31 is clamped in the sliding sleeve 41, the distance between the side wall of the trigger part 32 and the hole wall of the mounting hole 21 is 0.1 mm-0.3 mm, and the trigger part 32 is not easy to contact the inner wall of the mounting hole 21 when being pressed, so that noise is not easy to generate.

In summary, the following steps:

compared with the prior art, the switch device 11 of this button, the bolster 40, pressing piece 30 and mounting hole 21 set up with one heart, can guarantee that the button equipment is accurate targets in place, can not produce eccentric phenomenon because of factors such as design clearance, button deformation, equipment error, the bolster 40 has the antidetonation function, avoid button 100 to produce the vibration sound easily in the use, with the speech recognition degree of accuracy and the tone quality that improve speech equipment, thereby promote speech equipment's quality, the comfort level and the experience that the user used have greatly been improved are felt.

It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all embodiments, and that the appended drawings illustrate preferred embodiments of the present invention, but do not limit the scope of the invention. The present invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents may be substituted for elements thereof. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.

Claims

1. A key, comprising: the circuit board comprises a shell (20), a circuit board (10), a switch device (11) and a pressing assembly, wherein the shell (20) is provided with a mounting hole (21), the circuit board (10) is arranged on the bottom of the shell (20), and the switch device (11) is arranged on the circuit board (10); the pressing component is arranged between the shell (20) and the circuit board (10) and can be pressed outside the shell (20) to trigger the switch device (11); the pressing assembly comprises a buffer piece (40) and a pressing piece (30) connected to the buffer piece (40);

the buffer piece (40) can abut against the switch device (11) at the top of the switch device (11), the buffer piece (40) comprises a sliding sleeve (41), the sliding sleeve (41) is inserted into the mounting hole (21) and is concentrically arranged with the mounting hole (21), and the sliding sleeve (41) is provided with a sleeve hole (411) along the central axis thereof;

in the installation hole (21), the pressing piece (30) is inserted into the sleeve hole (411) of the buffer piece (40) at the side far away from the switch device (11) and can move back and forth along the axial direction of the installation hole (21), and the pressing piece (30) and the sleeve hole (411) are concentrically arranged.

2. A key as claimed in claim 1, wherein: the utility model discloses a buffer piece, including shell (20), circuit board (10), supporting part (43), sliding sleeve (41), switching device (11), casing (20) and enclose between circuit board (10) and become to have the holding chamber, the holding chamber with mounting hole (21) communicate with each other, bolster (40) still include supporting part (43), supporting part (43) connect in the bottom of sliding sleeve (41), and be located the holding intracavity, the bottom of supporting part (43) seted up with set hole (411) isolated dodge groove (421), dodge the inslot (421) and have placed switching device (11).

3. A key as claimed in claim 2, wherein: a gap facilitating deformation of the buffer member (40) exists between the peripheral wall of the support portion (43) and the housing (20).

4. A key as claimed in claim 2, wherein: and a buffer groove (422) is formed in the top of the supporting part (43) on the outer side of the sliding sleeve (41).

5. A key (100) according to claim 2, characterised in that: the supporting part (43) and the sliding sleeve (41) are coaxially arranged.

6. A key as claimed in claim 2, wherein: the length of the sliding sleeve (41) is smaller than the depth of the mounting hole (21), and the bottom of the supporting part (43) is abutted to the inner wall of the shell (20).

7. A key according to any one of claims 1-6, characterized in that: the pressing piece (30) comprises an insertion part (31) and a triggering part (32) connected with the insertion part (31), the insertion part (31) is inserted into the sleeve hole (411) of the sliding sleeve (41), and the triggering part (32) is located in the installation hole (21) at the top of the sliding sleeve (41).

8. The key of claim 7, wherein: the distance between the side wall of the trigger part (32) and the hole wall of the mounting hole (21) ranges from 0.1mm to 0.3 mm.

9. A key according to any one of claims 1-6, characterized in that: a fixing column (22) is convexly arranged on one side, close to the circuit board (10), of the shell (20), a fixing hole (12) is formed in the circuit board (10), and the fixing column (22) is inserted into the fixing hole (12) and connected to the circuit board (10) through a connecting piece.

10. A speech device, characterized by: comprising a key (100) according to any of claims 1-9.