CN205142461U

CN205142461U - Headphone

Info

Publication number: CN205142461U
Application number: CN201520835362.2U
Authority: CN
Inventors: 李周尧; 郑玉林; 吴海全; 师瑞文; 吴训
Original assignee: Shenzhen Grandsun Electronics Co Ltd
Current assignee: Shenzhen Grandsun Electronics Co Ltd
Priority date: 2015-10-26
Filing date: 2015-10-26
Publication date: 2016-04-06
Anticipated expiration: 2025-10-26

Abstract

The utility model relates to an electron product technology field provides a headphone, including the horn base and assemble in horn hood and ear fork on the horn base, ear fork one end is forked two the linking arm tip of branch and sets up connecting portion relatively, two be equipped with the screens piece on the connecting portion respectively, each the screens piece with correspond connecting portion and insert together and locate prevent in the horn base connecting portion break away from the horn base. Through set up the screens piece on the connecting portion in the horn base are adorned to the ear fork, the connecting portion that make the ear pitch firmly block to be arranged in the horn base.

Description

A kind of headphone

Technical field

The utility model relates to technical field of electronic products, particularly relates to a kind of headphone.

Background technology

Earphone is one of the most frequently used annex of audio frequency apparatus, and frequency of utilization is very high.In the manufacturing of earphone, not only to ensure its security reliability, to bring good experience to consumer, also will ensure the convenience that earphone assembles simultaneously, namely improve efficiency of assembling, reduce production cost, enhance competitiveness.

Existing earphone is divided into ear type and wear-type two kinds usually.Headphone generally includes two, left and right earphone and pitches with wear cover, ear arm and the ear being connected two earphones in left and right.Ear fork is the vital part of direct frames connecting with headphone, pitches two end plugged earphones realize connecting by ear, if but ear pitch the end stretched in earphone excessive, can cause and be difficult to assemble; If too small, stretching resistance can be caused not enough, easily make ear pitch and depart from earphone.

Utility model content

The purpose of this utility model is to provide headphone, is intended to solve in prior art the problem that there is ear fork and easily depart from earphone.

For solving the problems of the technologies described above, the technical solution of the utility model is: provide a kind of headphone, the horn hood comprising horn base and be assemblied on described horn base and ear fork, it is that two linking arm ends of forked are oppositely arranged connecting portion that described ear pitches one end, two described connecting portions are respectively equipped with card-bit part, and each described card-bit part is inserted in described horn base and prevents described connecting portion from departing from described horn base together with corresponding connection parts.

Further, described horn base periphery is provided with the installing hole inserted respectively for two described connecting portions relatively, and each described installing hole place is provided with the mounting groove loaded for corresponding card-bit part, and described mounting groove is communicated with described installing hole.

Further, described ear fork comprises ear fork body and ear fork lid, and described ear fork lid is flush-mounted in the groove offered bottom described ear fork body; Each described connecting portion comprises the rotating shaft of projection tubulose and ear fork on ear fork body and covers the anti-delinking part of projection, and described rotating shaft free end is formed can the claw that draws in of elasticity, and described claw draws in and is slipped into resilience in described mounting groove by described installing hole.

Preferably, described claw comprises some jaw body and is convexly equipped in the block buckle of each described jaw body free end outside, on the described rotating shaft of described card-bit part between described buckle and described installing hole.

Preferably, described anti-delinking part to extend in described claw and with described claw matched in clearance, work and prevent described claw from being departed from by described installing hole in described card-bit part and described anti-delinking part one.

Further, described card-bit part comprises a plate body, and described plate body one edge offers the circular draw-in groove that can be fastened on described rotating shaft.

Preferably, described plate body is trapezoidal, and described circular draw-in groove to be opened on described plate body in two parallel edges in short edge.

Preferably, described plate body top prevents the projection of described plate body movement to described horn hood projection, the spacing hole that the recessed and described projection of described horn hood matches.

Preferably, the guide vane end stop that the side projection that described plate body is corresponding with described buckle prevents described plate body from rotating, described guide vane end stop is butted on described mounting groove sidewall.

Preferably, described circular card channel opening place has two mounting jaws, and the side that two described mounting jaws are relative is formed respectively to be convenient to described circular draw-in groove and to be stuck in transition circle cambered surface on described rotating shaft.

The utility model relative to the technique effect of prior art is: establish card-bit part by being loaded on card on the connecting portion in horn base at ear fork, the connecting portion that ear is pitched is placed in horn base securely.

Accompanying drawing explanation

Fig. 1 is the three-dimensional exploded view of the headphone that the utility model embodiment provides;

Fig. 2 is the enlarged drawing of E in Fig. 1;

Fig. 3 is the stereogram of the ear fork body that the utility model embodiment provides;

Fig. 4 is the front view of the headphone that the utility model embodiment provides;

Fig. 5 is the cutaway view of A-A along the line in Fig. 4;

Fig. 6 is the enlarged drawing of F in Fig. 5;

Fig. 7 is the stereogram of the headphone removal horn hood that the utility model embodiment provides;

Fig. 8 is the enlarged drawing of H in Fig. 7;

Fig. 9 is the stereogram of card-bit part in the headphone that provides of the utility model embodiment.

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

Horn base	10	Installing hole	11
				Mounting groove	12	Wire hole	13
Loudspeaker mounting groove	14	Fan groove	111
				Horn hood	20	Ear is pitched	30
Connecting portion	32	Linking arm	31
				Ear fork lid	34	Ear fork body	33
Rotating shaft	332	Groove	331
				Limiting section	334	Claw	333
Buckle	3332	Jaw body	3331
				Card-bit part	40	Anti-delinking part	341
Projection	42	Plate body	41
				Circular draw-in groove	411	Guide vane end stop	43
Transition circle cambered surface	4121	Mounting jaw	412

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.

It should be noted that, when element is called as on " being fixed on " or " being arranged at " another element, it can directly on another element or it can indirectly be fixed on by the 3rd parts or be arranged on another element.When an element is called as " being connected to " another element, it can be directly connected to another element or it can be connected on another element indirectly by the 3rd parts.

Also it should be noted that, the orientation term such as left and right, upper and lower in the present embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.

Refer to Fig. 1, the utility model provides a kind of headphone, the horn hood 20 comprising horn base 10 and be assemblied on horn base 10 and ear fork 30, it is that two linking arm 31 ends of forked are oppositely arranged connecting portion 32 that ear pitches 30 one end, two connecting portions 32 are respectively equipped with card-bit part 40, and each card-bit part 40 is inserted in horn base 10 and prevents connecting portion 32 from departing from horn base 10 together with corresponding connection parts 32.Two linking arms 31 are together around the peripheral c-shaped shape of horn base 10.Be loaded on card on the connecting portion 32 in horn base 10 by ear fork 30 and establish card-bit part 40, the connecting portion 32 making ear pitch 30 is placed in horn base 10 securely.

Please refer to Fig. 1 and Fig. 2, further, horn base 10 periphery is provided with the installing hole 11 inserted respectively for two connecting portions 32 relatively, and each installing hole 11 place is provided with the mounting groove 12 loaded for corresponding card-bit part 40, and mounting groove 12 is communicated with installing hole 11.In the present embodiment, mounting groove 12 is by the recessed square groove of horn base 10 upper surface, but the shape of mounting groove 12 is not limited in this, can meet connecting portion 32 and card-bit part 40 and installs and facilitate card-bit part 40 positioning instant can.Installing hole 11 and mounting groove 12 be set to ear pitch 30 connecting portion 32 and the card-bit part 40 be installed on connecting portion 32 provide installation environment.

Please refer to Fig. 1 to Fig. 3, further, ear fork 30 comprises ear fork body 33 and ear fork lid 34, and ear fork lid 34 to be flush-mounted in bottom ear fork body 33 in the groove 331 offered; Each connecting portion 32 comprises the anti-delinking part 341 of projection on the rotating shaft 332 of projection tubulose and ear fork lid 34 on ear fork body 33, and rotating shaft 332 free end is formed can the claw 333 that draws in of elasticity, and claw 333 draws in and is slipped into resilience in mounting groove 12 by installing hole 11.

Please refer to Fig. 1 to Fig. 3, in the present embodiment, rotating shaft 332 near root projection limiting section 334, the corresponding recessed fan groove 111 rotated at an angle for limiting section 334 of installing hole 11, fan groove 111 is by through in installing hole 11 outside to mounting groove 12; Limiting section 334 is one-body molded with rotating shaft 332; To another, rotating shaft 332 free end is through offers by rotating shaft 332 free end for groove 331 bottom ear fork body 33; The groove 331 of rotating shaft 332 free end, perpendicular to the through setting of rotating shaft 332 axis, forms the claw 333 with strain, and certainly, the setting of claw 333 also not only has this kind of mode.Claw 333 on rotating shaft 332 draws in and is slipped into resilience in mounting groove 12 by installing hole 11, and meanwhile, the limiting section 334 on rotating shaft 332 is relative with fan groove 111 and insert in fan groove 111.By the setting of claw 333, the connecting portion 32 making ear pitch 30 is successfully installed in the mounting groove 12 of horn base 10.

Refer to Fig. 3, preferably, claw 333 comprises some jaw body 3331 and is convexly equipped in the block buckle 3332 of each jaw body 3331 free end outside, on the rotating shaft 332 of card-bit part 40 between buckle 3332 and installing hole 11.

Please refer to Fig. 1 to Fig. 3, in the present embodiment, jaw body 3331 and buckle 3332 are respectively two, but the quantity of jaw body 3331 and buckle 3332 is not limited in this; Jaw body 3331 is one-body molded with buckle 3332; Card-bit part 40 has on the rotating shaft 332 between the sidewall of installing hole 11 and buckle 3332 at mounting groove 12; The outward flange of buckle 3332 near rotating shaft 332 end has arc transition, and the axis of buckle 3332 is overlapping with rotating shaft 332 axis, and design makes buckle 3332 successfully slip in installing hole 11 like this, avoids buckle 3332 to scratch installing hole 11 inwall.

Please refer to Fig. 1, Fig. 4 to Fig. 6, preferably, anti-delinking part 341 to extend in claw 333 and with claw 333 matched in clearance, work and prevent claw 333 from being departed from by installing hole 11 in card-bit part 40 and anti-delinking part 341 1.In the present embodiment, the groove 331 of rotating shaft 332 free end perpendicular to the through setting of rotating shaft 332 axis and the through slot (not shown) of rotating shaft 332 free end and ear pitch on body 33 groove 331 one stepped, when making anti-delinking part 341 be positioned at claw 333, between anti-delinking part 341 and jaw body 3331, there is certain interval; Rotating shaft 332 is longer than anti-delinking part 341, when claw 333 draws in and just slips in installing hole 11, be resisted against in two jaw body 3331 of claw 333 by anti-delinking part 341, restriction claw 333 continues to draw in, prevent claw 333 from stretching in mounting groove 12, draw under external force and skidded off by installing hole 11, depart from horn base 10.

Please refer to Fig. 2, Fig. 3 and Fig. 7 to Fig. 9, further, card-bit part 40 comprises a plate body 41, and plate body 41 1 edge offers the circular draw-in groove 411 that can be fastened on rotating shaft 332.In the present embodiment, plate body 41 is square, and the shape of plate body 41 is not limited in this; Plate body 41 is fastened in the jaw body 3331 of rotating shaft 332; Plate body 41 and rotating shaft 332 matched in clearance, can ensure that ear fork 30 realizes rotating on horn base 10 like this, but the matching relationship of plate body 41 shape and plate body 41 rotating shaft 332 is all not limited thereto; It also can be interference fit between plate body 41 and rotating shaft 332, but make ear pitch 30 to realize rotating on horn base 10, then mounting groove 12 should be provided with the enough large space that plate body 41 is freely rotated in mounting groove 12, or plate body 41 is designed to circle, again or be designed to fan-shaped etc., can realize rotating.By the setting of draw-in groove 411 circular on plate body 41, more effectively prevent claw 333 from departing from installing hole 11, namely depart from horn base 10.

Please refer to Fig. 7 to Fig. 9, preferably, plate body 41 is in trapezoidal, and circular draw-in groove 411 to be opened on plate body 41 in two parallel edges in short edge.

Please refer to Fig. 3, Fig. 7 to Fig. 9, in the present embodiment, plate body 41 is isosceles trapezoid; When circular draw-in groove 411 is installed, opening is bottom mounting groove 12; Due to plate body 41 install time, two ends of plate body 41 opening part apply reaction force by rotating shaft 332 simultaneously, two ends are separated simultaneously open, and the displacement that the trapezoidal design of plate body 41 is plate body 41 opens when installing or angle provide remaining, such design reduces the installing space of plate body 41 in mounting groove 12, namely reduces the size of mounting groove 12.

Please refer to Fig. 1 and Fig. 8, preferably, plate body 41 top prevents the projection 42 of plate body 41 movement to horn hood 20 projection, the recessed spacing hole (not shown) matched with projection 42 of horn hood 20.

Please refer to Fig. 1, Fig. 6 and Fig. 8, in the present embodiment, projection 42 is positioned at the lateral edges centre position of plate body 41 near buckle 3332, but the setting of the position of projection 42 is not limited in this, determines according to concrete installation situation and condition.Projection 42 on plate body 41 coordinates with the spacing hole on horn hood 20, and restriction plate body 41 moves in parallel.

Please refer to Fig. 6 and Fig. 8, preferably, the guide vane end stop 43 that the side projection that plate body 41 is corresponding with buckle 3332 prevents plate body 41 from rotating, guide vane end stop 43 is butted on mounting groove 12 sidewall.

Please refer to Fig. 1, Fig. 7 and Fig. 9, in the present embodiment, on horn base 10, the mounting groove 12 of side is communicated with wire hole 13, and the mounting groove 12 of opposite side is near recessed loudspeaker mounting groove 14 on horn base 10; Be communicated with side at mounting groove 12 with wire hole 13, plate body 41 is provided with a guide vane end stop 43; In close loudspeaker mounting groove 14 side, plate body 41 is provided with the both sides that two guide vane end stops, 43, two guide vane end stops 43 lay respectively at plate body 41 side; Guide vane end stop 43 and mounting groove 12 contact position are provided with rounding, are correspondingly also provided with rounding between mounting groove 12 liang of adjacent walls, produce stress and concentrate, damage plate body 41 and mounting groove 12 when avoiding plate body 41 to rotate.Arrange effective preventing board body 41 by guide vane end stop 43 to rotate in mounting groove 12.

Please refer to Fig. 3 and Fig. 9, preferably, circular draw-in groove 411 opening part has two mounting jaws, 412, two sides that mounting jaw 412 is relative and is formed respectively and be convenient to circular draw-in groove 411 and be stuck in transition circle cambered surface 4121 on rotating shaft 332.By the setting of the transition circle cambered surface 4121 of two mounting jaws 412, when avoiding plate body 41 to clamp, mounting jaw 412 scratch rotating shaft 332 surface, or cause mounting jaw 412 due to stress concentrate and damaged, clamping of plate body 41 namely can be made more smooth and easy.

These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.

Claims

1. a headphone, the horn hood comprising horn base and be assemblied on described horn base and ear fork, it is characterized in that, it is that two linking arm ends of forked are oppositely arranged connecting portion that described ear pitches one end, two described connecting portions are respectively equipped with card-bit part, and each described card-bit part is inserted in described horn base and prevents described connecting portion from departing from described horn base together with corresponding connection parts.

2. headphone according to claim 1, it is characterized in that, described horn base periphery is provided with the installing hole inserted respectively for two described connecting portions relatively, and each described installing hole place is provided with the mounting groove loaded for corresponding card-bit part, and described mounting groove is communicated with described installing hole.

3. headphone according to claim 2, is characterized in that, described ear fork comprises ear fork body and ear fork lid, and described ear fork lid is flush-mounted in the groove offered bottom described ear fork body; Each described connecting portion comprises the rotating shaft of projection tubulose and ear fork on ear fork body and covers the anti-delinking part of projection, and described rotating shaft free end is formed can the claw that draws in of elasticity, and described claw draws in and is slipped into resilience in described mounting groove by described installing hole.

4. headphone according to claim 3, it is characterized in that, described claw comprises some jaw body and is convexly equipped in the block buckle of each described jaw body free end outside, on the described rotating shaft of described card-bit part between described buckle and described installing hole.

5. the headphone according to claim 3 or 4, is characterized in that, described anti-delinking part to extend in described claw and with described claw matched in clearance, work and prevent described claw from being departed from by described installing hole in described card-bit part and described anti-delinking part one.

6. headphone according to claim 5, is characterized in that, described card-bit part comprises a plate body, and described plate body one edge offers the circular draw-in groove that can be fastened on described rotating shaft.

7. headphone according to claim 6, is characterized in that, described plate body is trapezoidal, and described circular draw-in groove to be opened on described plate body in two parallel edges in short edge.

8. headphone according to claim 6, is characterized in that, described plate body top prevents the projection of described plate body movement to described horn hood projection, the spacing hole that the recessed and described projection of described horn hood matches.

9. headphone according to claim 8, is characterized in that, the guide vane end stop that the side projection that described plate body is corresponding with described buckle prevents described plate body from rotating, and described guide vane end stop is butted on described mounting groove sidewall.

10. headphone according to claim 6, is characterized in that, described circular card channel opening place has two mounting jaws, and the side that two described mounting jaws are relative is formed respectively to be convenient to described circular draw-in groove and to be stuck in transition circle cambered surface on described rotating shaft.