CN208849978U - A kind of headphone fold mechanism and headphone - Google Patents

Abstract

The utility model provides a kind of headphone fold mechanism and includes the headphone of the fold mechanism, the fold mechanism includes the first strutbeam and the second strutbeam and magnetic assembly that the first strutbeam is rotationally connected between folding position, expanded position, the magnetic assembly is formed at the rotation connection of first strutbeam, the second strutbeam, for limiting the relative rotation of first strutbeam, the second strutbeam respectively at folding position, expanded position.The problem of the utility model headphone fold mechanism can effectively solve the problem that folding present in existing headphone or expanded position are unstable, poor structural reliability.

Description

A kind of headphone fold mechanism and headphone

Technical field

The utility model relates to headphone technical fields, it particularly relates to a kind of knot of headphone fold mechanism Structure improves.

Background technique

Headphone is good with its sound field, is unpleasant to the ear, avoids the advantages that scratch ear canal and received by young man, still Headphone volume is larger, it has not been convenient to carry, store, there are all kinds of collapsible headphones in the market thus, but existing There is foldable earphone to realize with simple pin shaft to rotate, although structure is simple, ease of assembly, in folding position, expansion position It sets and cannot keep effective fixation, easily lead to the problem of shaking, not only influence user and wear, but also easily drive internal sounding member Part shakes, to reduce voice quality, or even generates and accelerates product damage, reduces the problems such as product service life.

Summary of the invention

The purpose of this utility model is to provide a kind of headphone fold mechanisms, to solve present in existing headphone Folding or expanded position it is unstable, the problem of poor structural reliability.

In order to achieve the above objectives, the utility model is achieved using following technical scheme:

A kind of headphone fold mechanism, including the first strutbeam and be rotationally connected between folding position, expanded position The second strutbeam and magnetic assembly of first strutbeam, the magnetic assembly are formed in first strutbeam, the second strutbeam At rotation connection, for limiting the relative rotation of first strutbeam, the second strutbeam respectively at folding position, expanded position.

Further, first strutbeam includes the first strut, and the end of first strut is formed with the first hinged seat, Second strutbeam includes the second strut, and the end of second strut, which is formed with, to be rotated with first hinged seat by shaft Second hinged seat of connection, the magnetic assembly are set to the end face of first hinged seat and the rotation contact of the second hinged seat On.

Further, the recessing groove and/or the second hinge of accommodating the second hinged seat of part are formed on first hinged seat The recessing groove of accommodating the first hinged seat of part is formed on joint chair, the recessing groove includes a cambered surface as the end face.

Further, the end face is sides adjacent vertical with the shaft in first hinged seat and the second hinged seat Face.

Further, the magnetic assembly includes the first magnetic part, the second magnetic part and third magnetic part, first magnetic Property part be arranged on an end face, second magnetic part, third magnetic part be arranged on another end face, described first Magnetic part and second magnetic part are used for the attracting cooperation at folding position, first magnetic part and the third magnetic part For cooperation attracting in expanded position.

Further, it is one group of magnetic that first magnetic part, second magnetic part and the third magnetic part, which is arranged, Component, the fold mechanism include at least one set of magnetic assembly.

Further, it is provided with wire casing in the middle part of first strut and second strut, the wire casing is along described The length direction of one strut and second strut extends.

Further, first strutbeam, the second strutbeam include that can cover two cover boards for closing and forming cavity, the cavity For accommodating first strut, the second strut, first strut, the second strut are both secured to corresponding cover board On.

Further, two cover boards that corresponding lid closes are respectively formed with the first buckle of snap fit, the second buckle.

Structure design based on above-mentioned headphone fold mechanism, the utility model additionally provide a kind of headphone, It includes the headphone fold mechanism.

Compared with prior art, the advantages of the utility model and beneficial effect is:

The utility model headphone fold mechanism use the magnetic attraction in magnetic assembly for the first strutbeam, the second strutbeam it Between relative rotation provide resistance, it is ensured that at folding position and expanded position, the first strutbeam, the second strutbeam can be not It keeps opposing stationary under the action of by external force, avoids after a period of use, be rotatablely connected between the first strutbeam, the second strutbeam There is series of malpractice caused by loosening in place.

After the detailed description of the utility model embodiment is read in conjunction with the figure, other features and advantages of the utility model It will become clearer.

Detailed description of the invention

Fig. 1 is the decomposition diagram of an embodiment of the present invention headphone fold mechanism；

Fig. 2 is the assembling schematic diagram of an embodiment of the present invention headphone fold mechanism；

Fig. 3 is cross-sectional view when an embodiment of the present invention headphone fold mechanism is in the deployed；

Fig. 4 is the partial schematic diagram in Fig. 3；

Fig. 5 is cross-sectional view when an embodiment of the present invention headphone fold mechanism is in folding position；

Fig. 6 is the partial schematic diagram in Fig. 5.

Specific embodiment

Specific embodiment of the present utility model is stated in detail with reference to the accompanying drawing.

As shown in Figure 1 and Figure 2, a kind of headphone fold mechanism is present embodiments provided, folding position, expansion are included in Two strutbeams being rotatablely connected between position: the first strutbeam 10, the second strutbeam 20, in order to solve existing collapsible headphone institute Existing structure easily loosens, can not effectively be maintained at setting position, and the present embodiment fold mechanism further includes being formed in two strutbeams Rotation connection at magnetic assembly 41, the magnetic assembly 41 of setting generates resistance by magnetic attraction at folding position and limits Relative rotation between first strutbeam 10, the second strutbeam 20, similarly in expanded position, equally by magnetic attraction generate resistance come Limit the relative rotation between the first strutbeam 10, the second strutbeam 20.

First strutbeam 10 includes the first strut 11 as main body, and the second strutbeam 20 includes second as main body Bar 21, is formed with the first hinged seat 111 in the end of the first strut 11, is formed with the second hinged seat in the end of the second strut 21 211, the first hinged seat 111, the second hinged seat 211 quantity with no restriction, can be arranged according to the width of strut multiple, the two is logical The connection of shaft 31 is crossed, and can be used between pin and the first hinged seat 111, the second hinged seat 211 using pin as shaft 31 Clearance fit provides resistance with the relative rotation further between the first strutbeam 10, the second strutbeam 20.

Wherein, magnetic assembly 41 is mounted on the end face of the first hinged seat 111 and the rotation contact of the second hinged seat 211, Including three magnetic parts: the first magnetic part 411, the second magnetic part 412 and third magnetic part 413, the first magnetic part 411 and second Magnetic part 412 is used for the attracting cooperation at folding position, and the first magnetic part 411 and third magnetic part 413 are used in expanded position When attracting cooperation.

In the present embodiment, the recessing groove of accommodating the second hinged seat of part 211 is formed on the first hinged seat 111, it is corresponding , the recessing groove of accommodating the first hinged seat of part 111 is formed on the second hinged seat 211, and be formed in recessing groove and other side The cambered surface of contact is rotated as the end face of above-mentioned installation magnetic assembly, as shown in Figures 3 to 6, specifically, the present embodiment is the A mounting groove for being embedded in and fixing the first magnetic part 411 is formed in the recessing groove of one hinged seat 111, and in the second hinged seat It is formed with to be embedded in respectively on the part protruded into 211 in the recessing groove of first hinged seat 111 and fixes the second magnetic part 412, third Two mounting grooves of magnetic part 413, first magnetic part 411 and the second magnetic part 412, third magnetic part 413 are arc Shape magnet block.At folding position, the first magnetic part 411, the contact of the second magnetic part 412 are realized and are attracted, as shown in Figure 5, Figure 6, In expanded position, the first magnetic part 411, the contact of third magnetic part 413 are realized and are attracted, as shown in Figure 3, Figure 4.

In another embodiment, unlike the present embodiment: above-mentioned end face can be the first hinged seat 111, the The adjacent side vertical with shaft 31 in two hinged seats 211 specifically can be formed with one on the side of the first hinged seat 111 A mounting groove is fixed on the side of the first hinged seat 111 so that the first magnetic part 411 to be embedded in, corresponding, can be in the second hinge It is formed on the side of joint chair 211 there are two mounting groove, is fixed on the so that the second magnetic part 412, third magnetic part 413 to be embedded in On the side of two hinged seats 211.At folding position, the first magnetic part 411 and the contact of the second magnetic part 412 are realized and are attracted, When expanded position, the first magnetic part 411 and the contact of third magnetic part 413 are realized and are attracted.

In other examples, the position that the first magnetic part 411, the second magnetic part 412 and third magnetic part 413 are arranged It can also exchange, in addition, the first magnetic part 411, the second magnetic part 412 and third magnetic part 413 exist as one group of magnetic assembly Also settable multiple groups in other embodiments.

In order to facilitate cabling, the present embodiment is each formed with perforative wire casing at the middle part of the first strut 11, the second strut 21 (112,212), wire casing (112,212) extend along the length direction of the first strut 11, the second strut 21.And wire casing (112, 212) two sides, which respectively correspond, is formed with the first hinged seat 111, the second hinged seat 211, i.e. the first strut 11, the second strut 21 are There are two hinged seats for tool, to improve the structural strength of rotation connection.

In order to improve aesthetics, the first strutbeam of the present embodiment 10 includes that can cover two cover boards for closing and forming cavity, in order to just In elaboration, two cover boards are respectively the first upper cover plate 12, the first lower cover plate 13, and the first upper cover plate 12, the first lower cover plate 13 can cover The cavity for forming the first strut 11 of accommodating is closed, similarly, the second strutbeam 20 also includes that can cover two cover boards for closing and forming cavity, and two A cover board is respectively the second upper cover plate 22, the second lower cover plate 23, and the second upper cover plate 22, the second lower cover plate 23 can cover conjunction and form accommodating The cavity of second strut 21.As shown in Fig. 2, formed cavity not only can effective protection the first strut 11, the second strut 21, also The conducting wire 30 in wire casing can be effectively covered, and the side wall of cavity can also the effectively movement of stop rotating shaft 31 axially.

In order to facilitate dismounting, the present embodiment the first upper cover plate 12, the first lower cover plate 13 are respectively formed with the of snap fit One the 121, second buckle (attached drawing is not shown) of buckle, clamps to consolidate, and first the 121, second buckle of buckle interval is laid with It is multiple, as shown in Figure 1, similarly, the second upper cover plate 22, the second lower cover plate 23 are also respectively formed with the first buckle of snap fit 221, the second buckle (attached drawing is not shown).

In order to avoid the first strut 11, the second strut 21 shake in corresponding cavity, the present embodiment is also in the first strut 11, it is formed with screw hole on the second strut 21, is formed with screw hole column on the first lower cover plate 13, the second lower cover plate 23, and use The mode of screw connection, the first strut 11 is fixed on the first lower cover plate 13, the second strut 21 is fixed on the second lower cover plate 23 On, certainly, other connection types also can be used in other embodiments and the first strut 11, the second strut 21 are fixed on correspondence Another cover board on.

Structure based on above-mentioned headphone fold mechanism is improved, and the present embodiment additionally provides a kind of headphone, It include above-mentioned headphone fold mechanism.

The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims (9)

1. a kind of headphone fold mechanism characterized by comprising

First strutbeam, first strutbeam include the first strut, and the end of first strut is formed with the first hinged seat,

Second strutbeam, is rotationally connected with first strutbeam between folding position, expanded position, and second strutbeam includes the Two struts, the end of second strut are formed with the second hinged seat being rotatablely connected with first hinged seat by shaft,

Magnetic assembly is formed at the rotation connection of first strutbeam, the second strutbeam, in folding position, expanded position When limit the relative rotation of first strutbeam, the second strutbeam respectively, the magnetic assembly be set to first hinged seat and On the end face of second hinged seat rotation contact.

2. headphone fold mechanism according to claim 1, which is characterized in that be formed with appearance on first hinged seat The recessing groove that accommodating the first hinged seat of part is formed on the recessing groove and/or the second hinged seat of the second hinged seat of part is set, it is described Recessing groove includes a cambered surface as the end face.

3. headphone fold mechanism according to claim 1, which is characterized in that the end face is first hinged seat With adjacent side vertical with the shaft in the second hinged seat.

4. headphone fold mechanism according to claim 2 or 3, which is characterized in that the magnetic assembly includes first Magnetic part, the second magnetic part and third magnetic part, first magnetic part are arranged on an end face, and described second is magnetic Part, third magnetic part are arranged on another end face, and first magnetic part and second magnetic part are used in folding position Attracting cooperation when setting, first magnetic part and the third magnetic part are used for the attracting cooperation in expanded position.

5. headphone fold mechanism according to claim 4, which is characterized in that setting first magnetic part, described Second magnetic part and the third magnetic part are one group of magnetic assembly, and the fold mechanism includes at least one set of magnetic group Part.

6. headphone fold mechanism according to claim 1, which is characterized in that first strut and second described Wire casing is provided in the middle part of bar, the wire casing extends along the length direction of first strut and second strut.

7. headphone fold mechanism according to claim 1, which is characterized in that first strutbeam, the second strutbeam are equal Two cover boards of cavity are formed including that can cover to close, the cavity is for accommodating first strut, the second strut, and described first Bar, the second strut are both secured on corresponding cover board.

8. headphone fold mechanism according to claim 7, which is characterized in that two cover boards point that corresponding lid closes It is not formed with the first buckle, the second buckle of snap fit.

9. a kind of headphone, which is characterized in that include headphone folding machine described in any item of the claim 1 to 8 Structure.