CN206575564U - Folding device and headphone - Google Patents

Abstract

The utility model is related to ear phone technology field, it is intended to which solving headphone of the prior art can not fold, or the complicated technical problem of foldable structure.The folding device that the utility model is provided includes mutually hinged the first hinge assembly and the second hinge assembly together, first hinge assembly includes U-type groove, second hinge assembly includes the connector being plugged in the U-type groove, the folding device also includes being located on the connector and two ends are plugged on the rotating shaft on the cell wall of the U-type groove respectively, first hinge assembly and second hinge assembly are connected around the axis of rotation, the folding rod that second hinge assembly includes, first hinge assembly also includes two folding columns coordinated with the folding rod for hindering first hinge assembly and the second hinge assembly to relatively rotate in the case where being acted on without external force.Folding device of the present utility model is simple in construction, and opens and closes easy to operate.

Description

Folding device and headphone

Technical field

The utility model is related to ear phone technology field, more particularly to a kind of folding device and headphone.

Background technology

Headphone is increasingly favored because acoustical quality is good, the advantages of wear fashion by consumer.Such as moderns Higher requirement is proposed to headphone：Headphone is needed to fold, in order to carry.But existing head Either headset can not be folded, or it is complicated, it is not easy to operate.

Utility model content

The purpose of this utility model is to provide a kind of folding device, it is intended to solve headphone of the prior art It can not fold, or the complicated technical problem of foldable structure.

For above-mentioned technical problem, the utility model provides a kind of folding device, and the folding device includes mutual Hinged the first hinge assembly and the second hinge assembly, first hinge assembly is hinged including being opened in described first The U-type groove of one end of close second hinge assembly of component, second hinge assembly includes being plugged in the U-type groove Connector, the folding device also includes being located on the connector and opposite end is plugged on the U-type groove respectively Cell wall on rotating shaft, first hinge assembly and second hinge assembly connect around the axis of rotation, described second Hinge assembly also include be opened on the connector and along the axially extending axis hole of the connector, be located in the axis hole The folding rod that interior and two free ends are stretched out towards the cell wall of the U-type groove, first hinge assembly is also plugged including two On two cell walls of the U-type groove and two folding columns of connector extension are respectively facing, the folding column is in described Folding device is resisted against the side face of the folding rod and the connector is sent out in the axis hole position when being in open mode Raw elastic deformation, the folding column departs from the folding rod when folding device is in folded state and makes the connection Head restores to the original state in the axis hole position.

Preferably, the connector is cylinder joint, and two end faces of the connector cave inward to form crescent, Two free ends of the folding rod are located in the crescent；One end of the folding column is plugged on the described of the U-type groove On cell wall, the other end of the folding column is extended in the crescent perpendicular to the cell wall until supporting the connector.

Preferably, the crescent has cambered surface, and the folding column is moved along the cambered surface, and the cambered surface projection is limited Position post, the limited post in the folding device be in folded state when keep out the folding column and limit the folding column after Reforwarding is moved.

Preferably, the folding column includes first paragraph and second segment, the central axis of the first paragraph and the second segment Central axis point-blank, the radius of the first paragraph be more than and the second segment radius.

Preferably, the second segment, the folding rod and the shaft parallel, between the second segment and the rotating shaft Distance is more than the distance between the folding rod and the rotating shaft.

Preferably, the side annular knurl of the first paragraph.

Preferably, the central axis of two folding columns is located on the same line.

Preferably, first hinge assembly also includes the trim for covering the outside for the cell wall for being located at the U-type groove, It is provided with projection, the trim to be provided with the outside of the cell wall and coordinates with the projection for the trim lid to be connect Blind hole on the cell wall.

The utility model additionally provides a kind of headphone, and the headphone includes as described above foldable Device.

Preferably, the headphone also includes the earmuff being installed on first hinge assembly and is installed in described Ear clip on second hinge assembly, the folding device includes the base for being used to carry the earmuff.

The beneficial effects of the utility model：Folding device of the present utility model, wherein the second hinge assembly passes through rotating shaft It is rotatably connected on the first hinge assembly；Folding rod is located on the connector of the first hinge assembly, and two of folding rod Free end extends towards the cell wall of the U-type groove of the first hinge assembly, and folding column is extended by the cell wall of U-type groove towards connector, When the first hinge assembly and the second hinge assembly relatively rotate, folding rod and folding column can be interfered, so that Hinder the relative rotation of the first hinge assembly and the second hinge assembly.Specifically, when needing to open folding device, First hinge assembly and the second hinge assembly relatively rotate under external force driving, and folding column tends to folding in the side of folding rod Folded bar motion with folding rod until contact, and the at this time interference between folding rod and folding column can hinder the first hinge assembly and the The relative rotation of two hinge assemblies, when increase driving force, makes folding column move to the opposite side of folding rod, so just opening can Folding device, and under the interference effect of folding column and folding rod, folding device can be prevented in the case where being acted on without external force certainly It is dynamic to fold；Opposite, when needing to fold the folding device, opposite direction drives the folding device, makes folding column anti- Direction moves across folding rod, and so just folding device folding storage gets up.The folding device is simple in construction, and Open and close easy to operate.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram for the folding device that the utility model embodiment is provided；

Fig. 2 is the part configuration schematic diagram for the folding device that the utility model embodiment is provided；

Fig. 3 is that sectional structure when being in open mode for the folding device that the utility model embodiment is provided is illustrated Figure；

The mplifying structure schematic diagram of part B in Fig. 4 Fig. 3；

Fig. 5 is that sectional structure when being in folded state for the folding device that the utility model embodiment is provided is illustrated Figure；

The mplifying structure schematic diagram of C portion in Fig. 6 Fig. 5.

Label involved by above-mentioned accompanying drawing is detailed as follows：

10	First hinge assembly	11	U-type groove
				12	Projection	13	First mounting hole
14	3rd mounting hole	15	Base
				16	Cell wall	17	Bottom land
20	Trim	21	Blind hole
				30	Folding column	31	First paragraph
32	Second segment	40	Folding rod
				50	Connector	51	Crescent
52	Second mounting hole	53	Cambered surface
				54	Limited post	55	Axis hole
60	Rotating shaft	70	Second hinge assembly

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.

In description of the present utility model, it is to be understood that term " thickness ", " on ", " under ", " vertical ", " parallel ", The orientation or position relationship of the instructions such as " bottom ", " angle " are, based on orientation shown in the drawings or position relationship, to be for only for ease of and retouch State the utility model and simplify and describe, rather than indicate or imply signified device or element must have specific orientation, with Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " connection " should be done extensively Reason and good sense solution, for example, it may be fixedly connected or be detachably connected, or integrally；Can mechanically connect, can also It is electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be two element internals connection or The interaction relationship of two elements.

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.

As shown in figs 1 to 6, the utility model provides a kind of folding device, and the folding device includes mutually hinged The first hinge assembly 10 and the second hinge assembly 70 together, the first hinge assembly 10 include being opened in the first hinge assembly 10 One end close to the second hinge assembly 70 U-type groove 11, the second hinge assembly 70 includes being plugged in connector in U-type groove 11 50, folding device also includes being located on connector 50 and opposite end is plugged on the rotating shaft on the cell wall of U-type groove 11 respectively 60, the first hinge assembly 10 and the second hinge assembly 70 60 rotate connection around the shaft, and the second hinge assembly 70 also includes being opened in On connector 50 and along the axially extending axis hole 55 of connector 50, it is located in axis hole 55 and two free ends are towards U-type groove The folding rod 40 that 11 cell wall 16 stretches out, the first hinge assembly 70 is also plugged on two cell walls 16 of U-type groove 11 including two And two folding columns 30 of the extension of connector 50 are respectively facing, folding column 30 is resisted against when folding device is in open mode The side face of folding rod 40 simultaneously makes connector 50 occur elastic deformation in the position of axis hole 55, and folding column 30 is in folding in folding device Depart from folding rod 40 during overlapping state and connector 50 is restored to the original state in the position of axis hole 55.Specifically, the first hinge assembly 10 exists The one end being hinged with the second hinge assembly 70 is provided with U-type groove 11, and the center of relative two cell wall 16 of U-type groove 11 is opened respectively Provided with the first mounting hole 13 for the grafting of rotating shaft 60, passed through while the connector 50 of the second hinge assembly 70 is offered for rotating shaft 60 The second mounting hole 52, therefore rotating shaft 60 is successively from of the first mounting hole 13, the second mounting hole 52 and the right through the left side One mounting hole 13.Therefore by rotating shaft 60, connector 50 is rotatably connected in U-type groove 11.In addition, U-type groove 11 has bottom land 17, When the second hinge assembly 70 moves to 17 position of bottom land, bottom land 17 can hinder the second hinge assembly 70 further to rotate, It can so avoid damaging folding device because the rotational angle of the second hinge assembly 70 is excessive.Connector 50 is cylinder, even The short transverse of joint 50 is vertical with the cell wall 16 of U-type groove 11, while central axis of the rotating shaft 60 along connector 50 passes through connection First 50, such design is interfered when can preventing connector 50 from being rotated in U-type groove 11 with the first hinge assembly 10, And conveniently connector 50 is installed in U-type groove 11.Two cell walls 16 of U-type groove 11 here are parallel to each other, and fold Bar 40 and folding column 30 so not only facilitate the installation of folding device, and can ensure foldable all perpendicular to cell wall 16 Device folding rod 40 or folding column 30 during folding are not interfered with cell wall 16.Folding rod 40 is plugged on vertically On connector 50, and two free ends of folding rod 40 are passed from connector 50；Two folding columns 30 are plugged on U-type groove 11 On two cell walls 16, and extend vertically, offered on the cell wall 16 of U-type groove 11 for the grafting of folding column 30 towards connector 50 3rd mounting hole 14.When the first hinge assembly 10 and the second hinge assembly 70 relatively rotate, the two of folding rod 40 The free end in contact concurrently raw interference, therefore folding rod 40 and the phase interworking of folding column 30 of individual free end respectively with two folding columns 30 Conjunction can hinder the relative rotation of the first hinge assembly 10 and the second hinge assembly 70.

Folding device of the present utility model, wherein the second hinge assembly 70 is rotatably connected on the first hinge by rotating shaft 60 On connected components 10；Folding rod 40 is located on the connector 50 of the first hinge assembly 10, and two free ends of folding rod 40 Extended perpendicularly out towards the cell wall of U-type groove 11 of the first hinge assembly 10, and folding column 30 by the cell wall of U-type groove 11 towards connector 50 extend perpendicularly out, when the first hinge assembly 10 and the second hinge assembly 70 relatively rotate, and folding rod 40 and fold Post 30 can be interfered, so as to hinder the relative rotation of the first hinge assembly 10 and the second hinge assembly 70.Specifically, when need When opening folding device, relative turn occurs under external force driving for the first hinge assembly 10 and the second hinge assembly 70 Dynamic, folding column 30 tends to the motion of folding rod 40 in the side of folding rod 40 until being contacted with folding rod 40, at this time folding rod 40 Interference between folding column 30 can hinder the relative rotation of the first hinge assembly 10 and the second hinge assembly 70, when increase driving Power, makes folding column 30 move to the opposite side of folding rod 40, so just opens folding device, and in folding column 30 and folding Under the interference effect of folded bar 40, folding device auto-folder in the case where being acted on without external force can be prevented；It is opposite, when needing to fold When the folding device, opposite direction drives the folding device, the opposite direction of folding column 30 is moved across folding rod 40, this Sample just gets up folding device folding storage.The folding device is simple in construction, and opens and closes easy to operate.

Preferably, the one end of folding column 30 is plugged on cell wall, and the other end of folding column 30 is extended vertically towards connector 50 Until supporting connector 50, it can so lower active force of the folding column 30 by the axial direction along folding column 30, it is to avoid make Folding column 30 is skidded off from cell wall 16.Specifically, cave inward to form crescent 51, folding rod in two bottom surfaces of connector 50 40 two free ends are located in crescent 51, and the other end of folding column 30 is supported through crescent 51 and with connector 50.Month The curved surface of alveolus 51 is circular arc, when the first hinge assembly 10 and the second hinge assembly 70 relatively rotate, folding column 30 along crescent 51 non-plane motion.Folding column 30 along crescent 51 turn to close to folding rod 40 when, can and Folding rod 40 is interfered, so as to hinder the relative rotation of the first hinge assembly 10 and the second hinge assembly 70.If driving the When the active force that one hinge assembly 10 and the second hinge assembly 70 are relatively rotated reaches certain value, folding column 30 can oppress folding Folded bar 40 makes folding column 30 move to opposite side by the side of folding rod 40.In embodiment of the present utility model, in order to ensure Folding column 30 and the due mechanical strength of folding rod 40, fold post and folding rod 40 and all select stainless steel and other metal materials, so roll over The folded compressing of post 30 folding rod 40 can cause the material contacted on connector 50 with folding rod 40 to deform upon, when folding column 30 is by rolling over The side of folded bar 40 is moved to after opposite side, and the material deformation contacted with folding rod 40 can recover.It is of the present utility model other In embodiment, it is also contemplated that the extruding force between folding rod 40 and folding column 30 makes folding rod 40 or folding column 30 occur bullet Property deformation, can also so reach identical technique effect.

Preferably, crescent 51 has cambered surface 53, and folding column 30 is moved along cambered surface 53, and cambered surface 53 is convexly equipped with for preventing The limited post 54 that folding column 30 is moved.The cambered surface 53 is circular arc, and folding column 30 sets close to cambered surface 53 and moved along cambered surface 53, When folding device is in folded state, limited post 54 is used for keeping out folding column 30 and limiting the folding column 30 continuing to transport It is dynamic, thus prevent folding device when folding because rotational angle is excessive and damage free earphone.

Preferably, folding column 30 includes first paragraph 31 and second segment 32, the central axis of first paragraph 31 and second segment 32 Point-blank, the bottom surface radius of first paragraph 31 is more than the bottom surface radius with second segment 32 to central axis.Specifically, fold Post 30 has two sections, is first paragraph 31 and second segment 32 respectively, their central axis is point-blank.

Preferably, second segment 32, folding rod 40 are parallel with rotating shaft 60, and the distance between second segment 32 and rotating shaft 60 are more than folding Folded the distance between bar 40 and rotating shaft 60, at the same when folding column 30 move to apart from folding rod 40 it is nearest apart from when, the The distance of two section 32 of central axis to the central axis of folding rod 40 is less than the bottom surface radius sum of second segment 32 and folding rod 40, At this moment extruding force can be produced between folding rod 40 and folding column 30.

Preferably, the side annular knurl of first paragraph 31, can so prevent folding column 30 between the cell wall of U-type groove 11 because of hair Life is slided and the connection between folding column 30 and U-type groove 11 is produced loosening.May be used also in other embodiment of the present utility model So that folding column 30 is fixedly attached on cell wall, or folding column 30 and U-type groove 11 are integrally formed.

Preferably, the central axis of two folding columns 30 is located on the same line, and can so ensure folding rod 40 Two ends receive identical active force, prevent the service life of the impression folding device because of discontinuity of folding rod 40.

Preferably, folding column 30 is metalwork, and metalwork has more preferable mechanical strength and mechanical stability.

Preferably, the first hinge assembly 10 also includes the trim 20 for covering the outside for the cell wall for being located at U-type groove 11, cell wall Outside is provided with to be provided with projection 12, trim 20 to be coordinated for trim 20 to be covered into the blind hole being connected on cell wall with projection 12 21.Specifically, cave inward to form the groove (being sign in figure) of circle, circular trim on the outside of the cell wall of U-type groove 11 20 can just load the groove.Trim 20 does not only have decoration function, folding device is had good-looking outward appearance, Er Qieke To prevent rotation stop axle 60 and folding shaft because it is exposed outside, and influenceed to make the service life of folding device to drop by particulate matter It is low.

The utility model additionally provides a kind of headphone, and the headphone includes Foldable as described above Put.

The headphone also includes the earmuff (not shown) that is installed on the first hinge assembly 10 and is installed in the Ear clip (not shown) on two hinge assemblies 70, folding device also includes the base 15 for being used to carry earmuff.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, it is all at this Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of folding device, it is characterised in that：The folding device include it is mutually hinged together first be hinged group Part and the second hinge assembly, first hinge assembly are hinged including being opened in close described the second of first hinge assembly The U-type groove of one end of component, second hinge assembly includes the connector being plugged in the U-type groove, the Foldable Putting also includes being located on the connector and opposite end is plugged on the rotating shaft on the cell wall of the U-type groove respectively, and described the One hinge assembly and second hinge assembly are connected around the axis of rotation, and second hinge assembly also includes being opened in institute State on connector and along the axially extending axis hole of the connector, be located in the axis hole and two free ends are towards described The folding rod that the cell wall of U-type groove stretches out, first hinge assembly is also plugged on two cell walls of the U-type groove including two And two folding columns of the connector extension are respectively facing, the folding column is when the folding device is in open mode It is resisted against the side face of the folding rod and the connector is occurred elastic deformation in the axis hole position, the folding column is in institute State when folding device is in folded state and depart from the folding rod and the connector is restored to the original state in the axis hole position.

2. folding device according to claim 1, it is characterised in that：The connector is cylinder joint, the company Two end faces of joint cave inward to form crescent, and two free ends of the folding rod are located in the crescent；It is described One end of folding column is plugged on the cell wall of the U-type groove, and the other end of the folding column extends perpendicular to the cell wall Until supporting the connector in the crescent.

3. folding device according to claim 2, it is characterised in that：The crescent has cambered surface, the folding column Moved along the cambered surface, the cambered surface is convexly equipped with limited post, the limited post is in folded state in the folding device When keep out the folding column and limit the folding column and continue to move.

4. folding device according to claim 1, it is characterised in that：The folding column includes first paragraph and second segment, The central axis of the central axis of the first paragraph and the second segment point-blank, the radius of the first paragraph be more than and The radius of the second segment.

5. folding device according to claim 4, it is characterised in that：The second segment, the folding rod with described turn Axle is parallel, and the distance between the second segment and the rotating shaft are more than the distance between the folding rod and the rotating shaft.

6. folding device according to claim 4, it is characterised in that：The side annular knurl of the first paragraph.

7. folding device according to claim 1, it is characterised in that：The central axis of two folding columns is located at same On straight line.

8. the folding device according to claim any one of 1-7, it is characterised in that：First hinge assembly also includes Lid is located on the outside of the trim in the outside of the cell wall of the U-type groove, the cell wall and is provided with projection, the trim Be provided with the blind hole coordinated with the projection for the trim lid being connected on the cell wall.

9. a kind of headphone, it is characterised in that：The headphone include as described in claim any one of 1-8 can Folding device.

10. headphone according to claim 9, it is characterised in that：The headphone also includes being installed in institute The earmuff on the first hinge assembly and the ear clip being installed on second hinge assembly are stated, the folding device includes being used for Carry the base of the earmuff.