CN221306068U - Key structure of earphone box and earphone box - Google Patents

Abstract

The utility model discloses a key structure of an earphone box and the earphone box, which comprises a lower shell, a pressing piece, a PCB and a switch piece, wherein an accommodating cavity is formed in the lower shell; the PCB is positioned in the accommodating cavity and connected with the lower shell; the pressing piece comprises a key body and an arc cantilever piece which is connected with the key body in a surrounding manner; the lower shell is provided with a mounting hole for communicating the accommodating cavity with the outside; the key body is propped against the mounting hole; the key body is opposite to the switch piece; one end of the cantilever part is connected to the key body, and the other end of the cantilever part is fixed to the lower shell so as to support the key body. Compared with the prior art, the key structure of the earphone box provided by the utility model utilizes the elastic deformation of the cantilever part to provide supporting force for the key body, reduces the tolerance requirement of the pressing piece and the mounting hole, can effectively avoid the condition of sinking of the key, reduces the production cost while ensuring good appearance of the earphone box, and improves the use experience of users.

Description

Key structure of earphone box and earphone box

Technical Field

The utility model relates to the technical field of earphone boxes, in particular to a key structure of an earphone box and the earphone box.

Background

With the rapid development of electronic technology, the functions of wireless headphones are also becoming more and more diversified, and wireless headphones are also becoming more and more favored by users. Existing wireless headsets are typically equipped with a headset case for receiving and charging the wireless headsets. Existing earphone boxes are also typically provided with keys to trigger related functions of the earphone box.

In the prior art, due to the tolerance of the design of the keys and the shell or the fact that the keys are not assembled in place with the shell, the keys on the earphone box possibly collapse wholly or partially, so that the problem that the appearance consistency of the earphone box and the use experience of a user are affected is generated.

In view of the foregoing, it is necessary to provide a key structure of an earphone box and an earphone box to solve the above-mentioned problems.

Disclosure of utility model

The utility model provides a key structure of an earphone box and the earphone box, and aims to solve the problem that the appearance of the earphone box and the use experience of a user are affected due to sagging of keys on the earphone box after use.

In order to achieve the above object, the present utility model provides a wireless earphone charging box, in which a lower housing, a pressing piece, a PCB and a switch piece are formed on the PCB, wherein the lower housing is provided with a receiving cavity; the PCB is positioned in the accommodating cavity and connected with the lower shell; the pressing piece comprises a key body and an arc cantilever piece which is connected with the key body in a surrounding mode; the lower shell is provided with a mounting hole which is communicated with the accommodating cavity and the outside; the key body is propped against the mounting hole; and the key body is opposite to the switch piece; one end of the cantilever part is connected with the key body, and the other end of the cantilever part is fixed on the lower shell so as to support the key body.

In a preferred embodiment, the key body and the cantilever member are integrally formed.

In a preferred embodiment, the number of cantilever members is at least two.

In a preferred embodiment, the cantilever members are connected to the key body at equal intervals.

In a preferred embodiment, the key body includes a pressing portion formed by extending from one side of the pressing portion and a touching portion formed by extending from the other side of the pressing portion; the propping part is propped against the inside of the mounting hole, the pressing part is mounted in the mounting hole, and the touching part is opposite to the switch piece.

In a preferred embodiment, the cantilever member comprises a fixing portion and a connecting portion connected between the fixing portion and the abutment portion.

In a preferred embodiment, the connection is arcuate.

In a preferred embodiment, the fixing portion is provided with a positioning hole, and the lower housing is formed with a positioning post for matching with the positioning hole.

In a preferred embodiment, the positioning posts are hot melt positioning posts.

The utility model also provides an earphone box which comprises the key structure of the earphone box.

The utility model has the beneficial effects that: according to the earphone box, the key body is propped against the mounting hole on the lower shell, and after the pressing piece is fixed on the lower shell through the cantilever piece, the supporting force is provided for the key body by utilizing elastic deformation of the cantilever piece on the pressing piece, so that the tolerance requirement of the pressing piece and the mounting hole is reduced, the situation that the key is wholly collapsed or partially collapsed can be effectively avoided, the production cost is reduced while the appearance consistency of the earphone box is ensured, and the use experience of a user is improved.

Drawings

Fig. 1 is a cross-sectional view of a key structure of an earphone box provided by the present utility model;

fig. 2 is a schematic structural view of a pressing member according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Furthermore, the description of the "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The key structure of the earphone box provided by the utility model can effectively avoid the problem of integral collapse or local collapse of the keys of the earphone box after use, can reduce the tolerance requirement of the pressing piece and the mounting hole, can ensure the consistency of the appearance of the earphone box, and can reduce the production cost and improve the use experience of users.

Referring to fig. 1 and 2, the key structure of the earphone box includes a lower housing 1 with a housing cavity 11 formed therein, a pressing member 2, a PCB3, and a switch member 4 disposed on the PCB3, wherein the PCB3 is disposed in the housing cavity 11 and connected to the lower housing 1; the pressing piece 2 comprises a key body 21 and an arc cantilever piece 22 which is connected with the key body 21 in a surrounding manner; the lower shell 1 is provided with a mounting hole which is communicated with the accommodating cavity 11 and the outside; the key body 21 is propped against the inside of the mounting hole, and the key body 21 is opposite to the switch piece 4; one end of the cantilever member 22 is connected to the key body 21, and the other end of the cantilever member 22 is fixed to the lower case 1 to support the key body 21.

Wherein the key body 21 is a part pressed by a user to trigger a function related to the earphone box; the cantilever part 22 has certain elasticity, can take place elastic deformation, and cantilever part 22 is the support piece of button body 21, can provide holding power for button body 21, simultaneously, provides the damping feel of pressing the process for the user to improve user's use experience. Preferably, the key body 21 and the cantilever member 22 are integrally formed, and it is understood that the stability of the pressing process can be better ensured by an integrally formed manner, and meanwhile, the production cost of the pressing member 2 can be reduced, and the installation steps of the key structure of the earphone box can be reduced.

The PCB3 is in threaded connection with the lower shell 1, so that the reliability of connection between the PCB3 and the lower shell 1 is ensured, and the situation that the PCB3 is separated from the lower shell 1 after a user presses the pressing piece 2 is avoided; the type of the switch element 4 can be selected according to the design requirement, the right distance between the key body 21 and the switch element 4 can be set according to the design requirement, and preferably, the distance between the key body 21 and the switch element 4 is 0.1mm.

The cantilever member 22 is arc-shaped and surrounds and is connected to the key body 21, so that more stable supporting force can be provided for the key body 21, stability of the earphone box in the process of pressing the keys by a user is ensured, the situation that the keys are wholly sunken or partially collapsed in the pressing process is avoided, and better damping handfeel can be provided in the process of pressing the key body 21 by the user.

Furthermore, the installation of the key structure of the earphone box may also cause the key on the earphone box to sag to some extent. Specifically, the installation process of the key structure of the earphone box provided in this embodiment is as follows:

The key body 21 is installed in the installation hole from the inside of the accommodating cavity 11, the key body 21 is pressed and propped against the installation hole, so that the end part of the key body 21 facing the outside can locally protrude out of the installation hole, meanwhile, the end part of the key body 21 far away from the outside is also pressed, the protruding distance value is the same as the pressed compression value, the value range can be 0.05 mm-0.15 mm, and the protruding distance value and the pressed compression value are preferably 0.1mm.

After the key body 21 is abutted against the mounting hole, the other end of the cantilever member 22 is fixed to the lower housing 1, so that the cantilever member 22 can support the key body 21. After the fixing of the cantilever member 22 is completed, the pressure applied to the key body 21 can be removed, and the end of the key body 21 facing the outside is restored to be flush with the outer surface of the lower housing 1, so as to ensure the consistency of the appearance of the earphone box. Meanwhile, the key body 21 resets and applies pressure to the cantilever piece 22, the cantilever piece 22 is elastically deformed and provides supporting force for the key body 21, so that the condition that the pressing piece 2 sags after being used is prevented, the tolerance requirement of the pressing piece 2 and the mounting hole is reduced, and the production cost is reduced.

It can be understood that when the user needs to trigger the related function of the earphone box, the user applies pressure to the key body 21, the key body 21 is pressed and moves in a direction close to the switch element 4, and drives the cantilever member 22 to protrude toward the switch element 4, the cantilever member 22 is elastically deformed, and a certain damping hand feeling is provided when the user presses the key body 21. After the key body 21 abuts against the switch element 4 and the user removes the pressure applied to the key body 21, the cantilever element 22 resumes the deformation, resets to the position before the key body 21 is pressed, and drives the key body 21 to move in a direction away from the switch element 4.

According to the utility model, the key body 21 is propped against the mounting hole on the lower shell 1, and after the pressing piece 2 is fixed on the lower shell 1 through the cantilever piece 22, the supporting force is provided for the key body 21 by utilizing the elastic deformation of the cantilever piece 22 on the pressing piece 2, so that the tolerance requirement of the pressing piece 2 and the mounting hole is reduced, the situation of sinking of the key can be effectively avoided, the production cost is reduced while the appearance consistency of the earphone box is ensured, and the use experience of a user is improved.

Further, referring to fig. 2, in the present embodiment, the number of cantilever members 22 is at least two. The specific number of cantilever members 22 may be set according to the actual design requirements, and preferably, the number of cantilever members 22 is two. It is easy to understand that the number of the cantilever members 22 affects the overall stability of the pressing process of the key body 21, and the number of the cantilever members 22 is two, so that the production cost of the pressing member 2 is reduced while the stability of the pressing process of the key body 21 is ensured.

Furthermore, the distribution of the cantilever members 22 also affects the overall stability of the pressing process of the key body 21 to a certain extent, and in this embodiment, the cantilever members 22 are connected to the key body 21 at equal intervals. It is easy to understand that the cantilever members 22 are connected to the key body 21 at equal intervals, so that the pressure applied to the key body 21 by the user can be better and more uniformly borne, and the stability of the pressing process of the key body 21 is ensured.

Further, referring to fig. 1 and 2, in the present embodiment, the key body 21 includes a top portion 211, a pressing portion 212 formed by extending from one side of the top portion 211, and a touching portion 213 formed by extending from the other side of the top portion 211; the abutting portion 211 abuts against the mounting hole, the pressing portion 212 is mounted in the mounting hole, and the touching portion 213 faces the switch 4.

It can be understood that when the user needs to press the key on the earphone box to trigger the function of the earphone box, the user applies pressure to the pressing portion 212 of the key body 21, the pressed pressing portion 212 moves in a direction approaching the switch element 4 and drives the abutting portion 211 to move in a direction approaching the switch element 4, the abutting portion 211 respectively drives the touching portion 213 and the cantilever 22 to move in a direction approaching the switch element 4, and the cantilever 22 is further elastically deformed and stores elastic potential energy under the driving of the abutting portion 211; when the touching portion 213 abuts against the switch 4, the related function of the earphone box is triggered.

After the function of the earphone box is triggered, the user removes the pressure applied to the pressing portion 212, the cantilever member 22 releases the stored elastic potential energy, the cantilever member 22 starts to reset and drives the abutting portion 211 to move away from the switch member 4, the abutting portion 211 respectively drives the touching portion 213 and the pressing portion 212 to move away from the switch member 4, and the pressing portion 212 resets to a position flush with the outer surface of the lower housing 1.

Further, referring to fig. 2, in the present embodiment, the cantilever 22 includes a fixing portion 221 and a connecting portion 222 connected between the fixing portion 221 and the abutting portion 211.

The connecting portion 222 is an elastically deformed portion of the cantilever 22 and a supporting portion for supporting the key body 21, and can provide a supporting force for the key body 21, and at the same time, can provide a stroke space for the pressed key body 21; and provides a certain damping sense for the pressing process of the user. The fixing portion 221 is used for fixing the cantilever 22 and the lower housing 1, so that the connecting portion 222 can support the key body 21. Specifically, the connecting portion 222 is arc-shaped, and it is easy to understand that the arc-shaped connecting portion 222 can better provide a supporting force for the key body 21 and provide a certain damping feel when the key body 21 is pressed.

Referring to fig. 2, in the present embodiment, a positioning hole 223 is formed on the fixing portion 221, and a positioning post 12 for matching with the positioning hole 223 is formed on the lower housing 1.

By providing the positioning hole 223 on the fixing portion 221 and providing the positioning column 12 on the lower case 1, accuracy of mounting the cantilever 22 on the lower case 1 is ensured, and efficiency of mounting the cantilever 22 on the lower case 1 is also improved. Specifically, the fixing manner between the positioning hole 223 and the positioning post 12 can be set according to the design requirement. For example, screw fixation. Preferably, the positioning column 12 is a hot melt positioning column 12. After the locating hole 223 is sleeved on the locating column 12, the hot-melting locating column 12 is melted, so that the fixing between the locating hole 223 and the locating column 12 can be realized, the fixing between the cantilever piece 22 and the lower shell 1 is further realized, the installation efficiency of the cantilever piece 22 is further improved, and meanwhile, the production cost is reduced.

In summary, according to the key structure of the earphone box provided by the utility model, the key body 21 is propped against the mounting hole on the lower casing 1, and after the pressing piece 2 is fixed on the lower casing 1 through the cantilever piece 22, the supporting force is provided for the key body 21 by utilizing the elastic deformation of the cantilever piece 22 on the pressing piece 2, so that the tolerance requirement of the pressing piece 2 and the mounting hole is reduced, the condition of sinking of the key can be effectively avoided, the appearance consistency of the earphone box is ensured, the production cost is reduced, and the use experience of a user is improved.

The utility model also provides an earphone box which comprises the key structure of the earphone box in any embodiment.

The above description and drawings should not be taken as limiting the scope of the utility model in any way, but rather should be understood to cover all modifications, structural equivalents, or direct/indirect applications of the utility model in the light of the general principles of the present utility model which may be employed in the present utility model and illustrated by the accompanying drawings.

Claims (10)

1. The key structure of the earphone box is characterized by comprising a lower shell, a pressing piece, a PCB and a switch piece, wherein a containing cavity is formed in the lower shell; the PCB is positioned in the accommodating cavity and connected with the lower shell; the pressing piece comprises a key body and an arc cantilever piece which is connected with the key body in a surrounding mode; the lower shell is provided with a mounting hole which is communicated with the accommodating cavity and the outside; the key body is propped against the mounting hole; and the key body is opposite to the switch piece; one end of the cantilever part is connected with the key body, and the other end of the cantilever part is fixed on the lower shell so as to support the key body.

2. The key structure of the earphone box according to claim 1, wherein the key body and the cantilever member are integrally formed.

3. The key structure of the earphone box according to claim 1, wherein the number of the cantilever members is at least two.

4. The key structure of the earphone case according to claim 1, wherein the cantilever members are connected to the key body at equal intervals.

5. The key structure of the earphone box according to claim 1, wherein the key body includes a pressing portion formed by extending one side of the pressing portion and a touching portion formed by extending the other side of the pressing portion; the propping part is propped against the inside of the mounting hole, the pressing part is mounted in the mounting hole, and the touching part is opposite to the switch piece.

6. The key structure of the earphone box according to claim 5, wherein the cantilever member includes a fixing portion and a connecting portion connected between the fixing portion and the abutment portion.

7. The key structure of the earphone case of claim 6, wherein the connection portion has an arc shape.

8. The key structure of the earphone box according to claim 6, wherein the fixing portion is provided with a positioning hole, and the lower housing is formed with a positioning post for matching with the positioning hole.

9. The key structure of the earphone box according to claim 8, wherein the positioning column is a hot-melt positioning column.

10. An earphone box characterized by comprising the key structure of the earphone box according to any one of claims 1 to 9.