CN111970599A

CN111970599A - Earphone box

Info

Publication number: CN111970599A
Application number: CN202010869884.XA
Authority: CN
Inventors: 刘伟; 徐陈
Original assignee: Wingtech Communication Co Ltd
Current assignee: Wingtech Communication Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2020-11-20

Abstract

The invention discloses an earphone box, which comprises an upper shell, a lower shell, a rotating shaft and an elastic piece, wherein the upper shell is provided with a first opening; the upper shell and the lower shell are pivoted together through a rotating shaft, one of the upper shell and the lower shell is provided with a connecting piece, and the other of the upper shell and the lower shell is provided with a clamping groove; the elastic piece is arranged between the upper shell and the lower shell and comprises a connecting rod, two elastic supporting rods and two elastic deformation parts, the connecting rod is fixed on the connecting piece, the two elastic deformation parts are respectively connected to two end parts of the connecting rod, one end of each elastic supporting rod is respectively connected to the two elastic deformation parts, and the other end of each elastic supporting rod is respectively embedded in the clamping groove and is in sliding fit with the inner wall of the clamping groove; the two elastic support rods are arranged in a crossed manner to form an X-shaped support mechanism, and the central axis of the connecting rod is parallel to the central axis of the rotating shaft and is staggered with the central axis of the rotating shaft. The invention ensures that the upper shell and the lower shell have better hand feeling when being buckled, improves the user experience, has simple integral structure and convenient installation, and occupies smaller installation space at the opening and closing part.

Description

Earphone box

Technical Field

The invention relates to the technical field of electronic equipment, in particular to an earphone box.

Background

The TWS earphone is usually placed in an earphone box for charging in a non-use state, and the existing earphone box comprises an upper shell and a lower shell, wherein the upper shell and the lower shell need to be capable of realizing opening and closing functions and are required to have better opening and closing hand feeling; the epitheca and the inferior valve of current earphone box are in the same place through hinge connection, and the two parts of hinge are fixed respectively on epitheca and inferior valve, feel in order to realize opening and shutting of preferred, and the hinge is set to comparatively complicated structure usually, leads to its structure comparatively complicated to the installation space who occupies is great, leads to the earphone box to have great overall dimension then.

Disclosure of Invention

The invention mainly aims to provide an earphone box which has good opening and closing hand feeling, simple structure and small occupied space of an opening and closing part.

In order to achieve the purpose, the invention adopts the following technical scheme:

an earphone box comprises an upper shell, a lower shell, a rotating shaft and an elastic piece;

the upper shell and the lower shell are pivoted together through a rotating shaft, one of the upper shell and the lower shell is provided with a connecting piece, and the other of the upper shell and the lower shell is provided with a clamping groove;

the elastic piece is arranged between the upper shell and the lower shell and comprises a connecting rod, two elastic supporting rods and two elastic deformation parts, the connecting rod is fixed on the connecting piece, the two elastic deformation parts are respectively connected to two end parts of the connecting rod, one end of each elastic supporting rod is respectively connected to the two elastic deformation parts, and the other end of each elastic supporting rod is respectively embedded in the clamping groove and is in sliding fit with the inner wall of the clamping groove; the two elastic support rods are arranged in a crossed mode to form an X-shaped support mechanism, and the central axis of the connecting rod is parallel to the central axis of the rotating shaft and staggered with the central axis of the rotating shaft.

Preferably, the other end of the elastic support rod is further provided with an arc-shaped bending part abutting against the inner wall of the clamping groove.

Preferably, be provided with a swivel mount on the epitheca, be provided with on the inferior valve and be used for accomodating the concave position of swivel mount, the both ends of concave position are provided with the end wall, be connected with a lateral wall between the two end walls, all be provided with the confession on swivel mount and the end wall the shaft hole that the pivot penetrated.

Preferably, the connecting piece is arranged on the rotary seat, and the clamping groove is arranged on the side wall.

Preferably, be provided with on the swivel mount and dodge the groove, the connecting piece be by dodge the convex connecting seat in bottom surface in groove, be provided with a mounting groove on the connecting seat, the connecting rod joint in the mounting groove.

Preferably, a first limiting block is arranged on the rotary seat, a second limiting block is arranged at the joint of the side wall and the end part, and the first limiting block and the second limiting block are matched to form a limiting mechanism used for limiting the relative rotation angle of the upper shell and the lower shell.

Preferably, the elastic deformation portion extends spirally.

According to the invention, the elastic piece is arranged between the upper shell and the lower shell, and the upper shell and the lower shell can be automatically opened by utilizing the elastic stress generated by the deformation of the elastic piece, and meanwhile, when the upper shell and the lower shell are buckled, the elastic piece is compressed, so that the elastic stress generated by the deformation of the elastic deformation part on the elastic piece forms a damping force during buckling, and therefore, the upper shell and the lower shell have better hand feeling during buckling, and the user experience is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic view of the elastic member engaged with the upper case.

FIG. 4 is a schematic view showing a state in which the upper case and the lower case are fastened together;

fig. 5 is a schematic view showing an opened state of the upper case and the lower case.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Upper casing	23	End wall
101	Rotating seat	24	Second limiting block
				11	Dodging groove	30	Rotating shaft
12	Connecting seat	40	Elastic piece
				13	First limiting block	41	Connecting rod
20	Lower casing	42	Elastic deformation part
				201	Concave position	43	Elastic support rod
21	Side wall	44	Arc-shaped bent part
				22	Clamping groove

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

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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

In addition, the descriptions related to "first", "second", etc. in the present invention are 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1, 2 and 3, the earphone box of the present invention includes an upper casing 10, a lower casing 20, a rotation shaft 30 and an elastic member 40, wherein the upper casing 10 and the lower casing 20 are pivoted together by the rotation shaft 30, so that the upper casing 10 and the lower casing 20 can rotate relatively to each other, so that the upper casing 10 and the lower casing 20 can be buckled together or opened, and when the upper casing 10 and the lower casing 20 are buckled together, they enclose a cavity for accommodating an earphone; a connecting member is disposed on the upper casing 10, a clamping groove 22 is disposed on the lower casing 20, and the elastic member 40 is mounted between the upper casing 10 and the lower casing 20, as described with reference to fig. 2, the connecting member 40 includes a connecting rod 41, two elastic support rods 43, and two elastic deformation portions 42, the connecting rod 41 is fixed on the connecting member, the two elastic deformation portions 42 are respectively connected to two ends of the connecting rod 41, one ends of the two elastic support rods 43 are respectively connected to the two elastic deformation portions 42, the other ends of the two elastic support rods 43 are respectively embedded in the clamping groove 22, and the other ends of the elastic support rods 43 are in sliding fit with the inner wall of the clamping groove 22, i.e. the other ends of the elastic support rods 43 can slide along the extending direction of the clamping groove 22, the two elastic support rods 43 are mutually crossed and form an X-shaped support mechanism, which is supported on the lower casing 20 while abutting, the other side is supported on a connecting member on the upper case 10 by a connecting rod 41. The central axis of the connecting rod 41 and the central axis of the rotating shaft 30 are parallel to each other, and the central axes thereof are offset from each other by a certain distance, that is, the connecting rod 41 is eccentrically disposed with respect to the central axis of the rotating shaft 30.

Referring to fig. 4, a fastening state of the upper shell 10 and the lower shell 20 is shown, in which the connecting member rotates with the upper shell 10 to a position closer to the engaging groove 22, that is, the connecting rod 41 is located closer to the engaging groove 22, and at this time, the whole elastic member 40 is in a compressed state, and the elastic deformation portion 42 has a relatively large deformation and a relatively large elastic stress; when the upper shell 10 and the lower shell 20 are opened, the degree of freedom of the relative rotation of the upper shell 10 and the lower shell 20 is released, the upper shell 10 and the lower shell 20 are relatively rotated to the opened state shown in fig. 5 through the elastic stress of the elastic deformation portion 42, in this state, the connecting rod 41 swings to the position far away from the slot 22 along with the connecting piece, at this time, the whole elastic element 40 is in the unfolded state, the deformation amount of the elastic deformation portion 42 is relatively small, the corresponding elastic stress generated by the elastic deformation portion is relatively small, when the upper shell 10 and the lower shell 20 are closed to the state shown in fig. 4 from the state shown in fig. 5, the elastic element 40 is compressed, the elastic deformation portion 42 is deformed, the included angle between the elastic supporting rod 43 and the connecting rod 41 is gradually reduced, and meanwhile, one end of the elastic supporting rod 43 located in the slot 22 slides along the extending direction of the slot 22, so as to avoid the elastic element 40.

Compared with the prior art, the elastic piece is arranged between the upper shell and the lower shell, the upper shell and the lower shell can be automatically opened by utilizing the elastic stress generated by the deformation of the elastic piece, and meanwhile, when the upper shell and the lower shell are buckled, the elastic piece is compressed, so that the elastic stress generated by the deformation of the elastic deformation part on the elastic piece forms the damping force during buckling, and therefore the upper shell and the lower shell have better hand feeling during buckling, and the user experience is improved.

In a preferred embodiment, in order to reduce the friction between the elastic support rod 43 and the inner wall of the slot 22, so that the upper case 10 and the lower case 20 can be more smoothly fastened to further improve the hand feeling, an arc-shaped bent portion 44 is further disposed at the other end of the elastic support rod 43, the arc-shaped bent portion 44 abuts against the inner wall of the slot 22, and the friction at the joint of the elastic support rod 43 and the slot 22 is reduced through the sliding fit between the arc-shaped bent portion 44 and the inner wall of the slot 22.

In another preferred embodiment, the present invention is provided with a rotary seat 101 protruding from the upper case 10, a recessed portion 201 provided on the lower case 20, when installing, the rotary seat 101 is placed in the recessed portion 201, two ends of the recessed portion 201 are respectively provided with an end wall 23, a side wall 21 is connected between the two end walls 23, both the rotary seat 101 and the end walls 23 are provided with shaft holes, and the rotary shaft 30 is inserted into the shaft holes of the rotary seat 101 and the end walls 23 to pivotally connect the upper case 10 and the lower case 20. The above-mentioned connecting piece is set on the rotary seat 101, and the clamping groove 22 is set on the side wall 21. In order to avoid the mutual interference between the rotation base 101 and the elastic member 40, an avoiding groove 11 is formed in the middle of the rotation base 101, the connecting member is a connecting base 12 protruding from the bottom surface of the avoiding groove 11, a mounting groove is formed in the connecting base 12, the connecting rod 41 is clamped in the mounting groove, and thus, when the connecting base is mounted, after the upper shell 10 and the lower shell 20 are connected together by using the rotating shaft 30, the connecting rod 41 and the elastic support rod 43 on the elastic member 40 are respectively clamped in the mounting groove and the clamping groove.

In other embodiments, the present invention may also be configured such that the above-mentioned connecting member is disposed on the lower case 20 and the card slot 22 is disposed on the upper case 10.

The surface of the above-mentioned swivel mount 101 is convexly provided with a first stopper 13, a second stopper 24 is arranged at a position where the side wall 21 and the end wall 23 are joined, when the upper case 10 rotates to a maximum angle relative to the lower case 20, the first stopper 13 swings to a position where the second stopper 24 abuts against each other to prevent the upper case 10 from continuing to rotate, that is, a stopper mechanism is formed by the first stopper 13 and the second stopper 24 in a matching manner to limit a relative rotation angle between the upper case 10 and the lower case 20.

The elastic deformation portion 42 of the present invention extends spirally, and when the connecting rod 41 and the elastic support rod 43 are connected to the free ends of the elastic deformation portion 42 and compressed, the spiral structure can provide a large elastic stress, but the elastic deformation portion 42 may have another structure.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An earphone box is characterized by comprising an upper shell, a lower shell, a rotating shaft and an elastic piece;

2. The earphone box of claim 1, wherein the other end of the elastic support rod is further provided with an arc-shaped bending portion abutting against the inner wall of the clamping groove.

3. The earphone box of claim 1, wherein the upper case has a rotation base thereon, the lower case has a recess for receiving the rotation base thereon, the recess has end walls at two ends thereof, a side wall is connected between the two end walls, and the rotation base and the end walls have shaft holes for the rotation shaft to penetrate therethrough.

4. The earphone box of claim 3, wherein the connector is disposed on the swivel base and the slot is disposed on the sidewall.

5. The earphone box of claim 4, wherein the rotation base is provided with an avoiding groove, the connecting member is a connecting seat protruding from a bottom surface of the avoiding groove, the connecting seat is provided with a mounting groove, and the connecting rod is clamped in the mounting groove.

6. The earphone box of claim 3, wherein the swivel base is provided with a first limiting block, a second limiting block is arranged at a joint of the side wall and the end portion, and the first limiting block and the second limiting block cooperate to form a limiting mechanism for limiting a relative rotation angle of the upper case and the lower case.

7. The earphone case of claim 1, wherein the elastically-deformable portion extends in a spiral shape.