CN206472278U - Earphone - Google Patents

Abstract

The utility model discloses a kind of earphone, including housing, printed circuit board (PCB) and horn assembly, and the printed circuit board (PCB) is mounted in the housing with horn assembly, and the horn assembly includes sound chamber shell, and the loudspeaker being arranged in sound chamber shell；The sound chamber shell is provided with the electric-conductor through the sound chamber shell, and the electric-conductor one end and the electrical interface Elastic Contact on printed circuit board (PCB) are simultaneously conducted, and the horn wire electrical interface of the other end and the loudspeaker is conducted.The loudspeaker of earphone of the present utility model realize electrically conducting for loudspeaker using the electric-conductor of the sound chamber shell through horn assembly, improve the air-tightness of the earphone operatic tunes, simplify production technology, lift earphone packaging efficiency and reduce cost.

Description

Earphone

Technical field

The utility model is related to earphone field, more particularly to the loudspeaker of earphone the structure that electrically conducts.

Background technology

Earphone is a kind of transducer that data signal or analog signal are converted into voice signal, with mobile phone, computer etc. Electronic communication product development with rapid changepl. never-ending changes and improvements, people are during call, appreciating music or films and television programs, to the quality of earphone Higher and higher requirement is proposed, as the core parts of earphone, the quality of earphone speaker performance is to earphone acoustical quality Quality has conclusive influence.

Existing earphone, such as headphone, the sounding of the loudspeaker of bluetooth earphone etc. are required for carrying out loudspeaker electrical Conducting.Common loudspeaker electrically conduct structure be using wire through loudspeaker the independent operatic tunes sound chamber shell, wire one end is welded in On loudspeaker, the other end is then welded on printed circuit board (PCB) (Printed Circuit Board, pcb board), so as to reach conducting PCB The purpose of plate and loudspeaker.It is this by way of wire is electrically connected, not only need to weld twice, in addition it is also necessary in the sound of the independent operatic tunes Perforate and to carrying out gluing sealing, not only complex process, cost through the hole of wire on the sound chamber shell of the independent operatic tunes on chamber shell Height, and low production efficiency.

Utility model content

Main purpose of the present utility model is to provide a kind of earphone of the loudspeaker of the structure that electrically conducts with contact, purport In the structure that electrically conducts of optimization earphone horn.

To achieve the above object, the utility model proposes earphone include housing, printed circuit board (PCB) and horn assembly, institute Printed circuit board (PCB) is stated to be mounted in the housing with horn assembly；The horn assembly includes sound chamber shell and loudspeaker, the sound The cavity for accommodating loudspeaker is formed with chamber shell；The sound chamber shell is provided with the electric-conductor through the sound chamber shell, the electric-conductor One end and the electrical interface Elastic Contact on printed circuit board (PCB) are simultaneously conducted, the horn wire electrical interface conductance of the other end and the loudspeaker It is logical.

Further, the electric-conductor is the shell fragment being made up of metal material.

Further, the electric-conductor is the shell fragment of L-type；First arm of the shell fragment runs through the sound chamber shell, first arm Free end and the horn wire electrical interface of the loudspeaker conduct；The outside of back of second arm of the shell fragment along the sound chamber shell Face extends, and with the electrical interface Elastic Contact on printed circuit board (PCB) and conducting.

Further, the electric-conductor and the sound chamber shell are integrally formed.

Further, the electric-conductor is integrally formed in the post forming mode as inserts with sound chamber shell.

Further, the electrical interface on the printed circuit board (PCB) is to be arranged at metal spring leaf on printed circuit board (PCB).

Further, the metal spring leaf is arranged at the printed circuit board (PCB) by way of paster prints or welds On, metal spring leaf includes the elastic arm protruded out from printed circuit board (PCB), and electric-conductor is contacted with the elastic arm by the loudspeaker and printing electricity Road plate is conducted.

Further, the number of the metal spring leaf and electric-conductor is two.

Further, the material of the sound chamber shell is heat proof material.

Further, the horn wire electrical interface of the loudspeaker is conducted by way of welding with electric-conductor.

In technical solutions of the utility model, earphone includes printed circuit board (PCB) and horn assembly, and the horn assembly includes Sound chamber shell and the loudspeaker being arranged in sound chamber shell, the sound chamber shell are provided with the electric-conductor through the sound chamber shell, the electric-conductor One end and the electrical interface Elastic Contact on printed circuit board (PCB) are simultaneously conducted, the horn wire electrical interface conductance of the other end and the loudspeaker Logical, earphone is electrically conducted structure and is realized electrically conducting for loudspeaker using contact, improves the air-tightness of the earphone operatic tunes, simple Metaplasia production. art, lifts earphone packaging efficiency and reduces cost.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 be the embodiment of the utility model one in earphone ear cup cross-sectional view；

Fig. 2 be Fig. 1 in earphone partial assembled structural representation；

Fig. 3 be Fig. 1 in earphone confined explosion's structural representation；

Fig. 4 A be Fig. 1 in earphone sound chamber shell positive structure schematic；

Fig. 4 B be Fig. 1 in earphone sound chamber shell reverse structure schematic；

Fig. 5 is the structural representation of the printed circuit board (PCB) of earphone in Fig. 1.

Drawing reference numeral explanation：

Label	Title	Label	Title
				100	Earphone	10	Ear cup
20	Printed circuit board (PCB)	21	Electrical interface
				211	Elastic arm	30	Horn assembly
31	Sound chamber shell	32	Loudspeaker
				321	Horn wire electrical interface	40	Electric-conductor
41	First arm	42	Second arm

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of the utility model protection.

It is to be appreciated that in the utility model embodiment institute it is directional indicate (such as up, down, left, right, before and after, transverse direction, Radially, level, vertical ...) it is only used for explaining the relative position under a certain particular pose (as shown in drawings) between each part Relation, motion conditions etc., if the particular pose changes, directionality indicates also correspondingly therewith to change.

In addition, and can not be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for describing purpose Solve to indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " many in description of the present utility model It is individual " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can mechanically connect, also may be used Be electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be the connection of two element internals Or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, can be with Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.

In addition, the technical scheme between each embodiment of the utility model can be combined with each other, but must be with ability Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize The combination of this technical scheme is not present, also not within the protection domain of the utility model requirement.

The utility model proposes the earphone of the loudspeaker of the structure that electrically conducts with contact.

Fig. 1 to Fig. 3 is refer to, by taking headphone as an example, to illustrate that having in the embodiment of the utility model one connects The structure and principle of the earphone 100 of the loudspeaker of the structure that electrically conducts of touch.One of ear of headphone shown in Fig. 1 The dimensional structure diagram of cup.

In the present embodiment, earphone 100 includes housing 10, printed circuit board (PCB) 20 and horn assembly 30, the printing electricity Road plate 20 is mounted in the housing 10 with horn assembly 30.The horn assembly 30 includes sound chamber shell 31 and loudspeaker 32, institute State the cavity being provided with sound chamber shell 31 for accommodating loudspeaker 32.The sound chamber shell 31 is provided with the conduction through the sound chamber shell 31 Part 40, one end of the electric-conductor 40 and the horn wire electrical interface 321 of the loudspeaker 32 are conducted, the other end and printed circuit board (PCB) 20 On the Elastic Contact of electrical interface 21 and conduct.Further, in the present embodiment, the housing 10 is an ear cup, printing electricity Road plate 20 and horn assembly 30 are contained in the inner chamber of the ear cup.

In the present embodiment, the sound chamber shell 31 can be an independent acoustical cavity, and loudspeaker 32 are contained in the independent sound Intracavitary.

In the present embodiment, the loudspeaker 32 of earphone 100 are used as conducting portion using the electric-conductor 40 through the sound chamber shell 31 Part, one end of electric-conductor 40 is conducted with horn wire electrical interface 321, the electrical interface on the other end printed circuit board (PCB) 20 of electric-conductor 40 21 Elastic Contacts are simultaneously conducted, so as to realize electrically conducting for printed circuit board (PCB) 20 and loudspeaker 32.Only needed to loudspeaker during assembling 32 horn wire electrical interface 321 is electrically connected with one end of electric-conductor 40, and then horn assembly 30 is installed to the ear of earphone 100 In cup 10, the other end of electric-conductor 40 then with the Elastic Contact of electrical interface 21 on printed circuit board (PCB) 20, so as to realize printed circuit Plate 20 electrically conducts with loudspeaker 32.Using the earphone 100 of the structure that electrically conducts of such a contact, earphone sound is not only increased The air-tightness of chamber, without carrying out threading to wire, simplifies production technology, and improve earphone packaging efficiency and reduce Cost.

In the present embodiment, the electric-conductor 40 is the shell fragment being made up of metal material.The bullet being made of metal material Piece, electric-conductor 40 have certain elastic force can make between the electrical interface 21 on electric-conductor 40 and printed circuit board (PCB) 20 support with Electrical contact is closer.

Fig. 1 and Fig. 4 is please combined in the lump, and in the present embodiment, the electric-conductor 40 is the shell fragment of L-type, the shell fragment bag of the L-type Include the first arm 41 and the second arm 42.Wherein, first arm 41 runs through the sound chamber shell 31, the free end of first arm 41 and institute The horn wire electrical interface 321 for stating loudspeaker 32 is conducted；Back lateral surface of second arm 42 of the shell fragment along the sound chamber shell 31 prolongs Stretch, and with the Elastic Contact of electrical interface 21 on printed circuit board (PCB) 20 and conducting.

Specifically, in one embodiment, the second arm 42 of the shell fragment can be close to the back of sound chamber shell 31 Lateral surface and along the back of sound chamber shell 31 lateral surface extend setting；In another embodiment, the second arm 42 of shell fragment can To be the lateral surface extension along the back of the sound chamber shell 31, and with one between the lateral surface of the back of the sound chamber shell 31 The setting in fixed gap.Electric-conductor 40 uses the design of the shell fragment of L-type, and the second arm 42 of shell fragment can closely be supported by elastic force It is held on the electrical interface 21 of printed circuit board (PCB) 20, improves the reliability of the electrical connection of earphone 100.

In the present embodiment, the horn wire electrical interface 321 of the loudspeaker 32 by way of welding with the conductance of electric-conductor 40 It is logical.Further, in the present embodiment, through hole, the horn wire electricity of loudspeaker 32 are also provided with the first arm 41 of the shell fragment Interface 321 can be a wire extended from loudspeaker 32, and the free end of the wire is then the loudspeaker line interface 321, the loudspeaker Line interface 321 is connected on the through hole on the first arm 42 of the shell fragment, and fixed by way of welding with electric-conductor 40, So as to realize conducting between loudspeaker 32 and printed circuit board (PCB) 20.

In the present embodiment, the electric-conductor 40 and the sound chamber shell 31 are integrally formed.

Further, in the present embodiment, the electric-conductor 40 is using the post forming mode as inserts and sound chamber shell 31 It is integrally formed.Electric-conductor 40 uses integrally formed design with the sound chamber shell 31, can further improve horn assembly 30 Air-tightness, while without carrying out gluing sealing to the sound chamber shell 31 of horn assembly 30 again.

Fig. 1 and Fig. 5 is please combined in the lump, and in the present embodiment, the electrical interface 21 on the printed circuit board (PCB) 20 is to be arranged at Metal spring leaf on printed circuit board (PCB), is contacted by electric-conductor 40 with the metal spring leaf, so that by loudspeaker 32 and printed circuit board (PCB) 20 Conduct.

Further, in the present embodiment, the metal spring leaf is fixed on institute by way of paster prints or welds State on printed circuit board (PCB) 20, metal spring leaf includes the elastic arm 211 protruded out from printed circuit board (PCB) 20, and the second arm 42 of shell fragment is with being somebody's turn to do Elastic arm 211 is contacted, so that the loudspeaker 32 and printed circuit board (PCB) 20 be conducted.

Specifically, in the present embodiment, when horn assembly 30 is installed in the ear cup 10 of earphone 100, the second of shell fragment Arm 42 is contacted with the elastic arm 211 of the metal spring leaf, so that the loudspeaker 31 and printed circuit board (PCB) 20 be conducted.Metal spring leaf The elastic force that elastic arm 211 is provided can make the elastic arm 211 of metal spring leaf being held on the second arm 42 of shell fragment tightly, so as to improve The reliability of the electrical connection of earphone 100.

Fig. 4 and Fig. 5 are refer to, in the present embodiment, the number of the metal spring leaf and electric-conductor 40 is two.

Further, in the present embodiment, the material of the sound chamber shell 31 is heat proof material.It can prevent because when welding The high temperature of generation causes the fusing of sound chamber shell 31 and deforms or fail.

Electrically conducted with use wire type of the prior art compared with the earphone of the loudspeaker of structure, the ear in the present embodiment Machine 100, without carrying out threading to wire, printing electricity is welded on after after the through hole through on sound chamber shell 31, then by wire in assembling On road plate 20.The earphone 100 of the loudspeaker of the structure that electrically conducts of use contact in the present embodiment, compared with prior art, Reach and optimized product structure, simplified production technology, improved the air-tightness of the earphone operatic tunes, lifting earphone packaging efficiency and reduction The effect of cost.

Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, It is every under design of the present utility model, the equivalent structure transformation made using the utility model specification and accompanying drawing content, or Directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.

Claims (10)

1. a kind of earphone, including housing, printed circuit board (PCB) and horn assembly, the printed circuit board (PCB) are respectively mounted with horn assembly In in the housing, it is characterised in that the horn assembly includes being formed with sound chamber shell and loudspeaker, the sound chamber shell for holding Receive the cavitys of loudspeaker；The sound chamber shell is provided with the electric-conductor through the sound chamber shell, the electric-conductor one end and printed circuit board (PCB) Electrical interface Elastic Contact and conduct, the horn wire electrical interface of the other end and the loudspeaker is conducted.

2. earphone as claimed in claim 1, it is characterised in that the electric-conductor is the shell fragment being made up of metal material.

3. earphone as claimed in claim 1, it is characterised in that the electric-conductor is the shell fragment of L-type；First arm of the shell fragment is passed through The sound chamber shell is worn, the free end of first arm and the horn wire electrical interface of the loudspeaker are conducted；Second arm edge of the shell fragment The lateral surface extension of the back of the sound chamber shell, and with the electrical interface Elastic Contact on printed circuit board (PCB) and conducting.

4. earphone as claimed in claim 1, it is characterised in that the electric-conductor is integrally formed with the sound chamber shell.

5. earphone as claimed in claim 4, it is characterised in that the electric-conductor be using the post forming mode as inserts with Sound chamber shell is integrally formed.

6. such as earphone according to any one of claims 1 to 5, it is characterised in that the electrical interface on the printed circuit board (PCB) is It is arranged at metal spring leaf on printed circuit board (PCB).

7. earphone as claimed in claim 6, it is characterised in that the metal spring leaf is by way of paster prints or welds It is arranged on the printed circuit board (PCB), metal spring leaf includes the elastic arm protruded out from printed circuit board (PCB), electric-conductor and the elastic arm bullet Property contact the loudspeaker and printed circuit board (PCB) are conducted.

8. earphone as claimed in claim 6, it is characterised in that the number of the metal spring leaf and electric-conductor is two.

9. such as earphone according to any one of claims 1 to 5, it is characterised in that the material of the sound chamber shell is heat proof material.

10. such as earphone according to any one of claims 1 to 5, it is characterised in that the horn wire electrical interface of the loudspeaker passes through The mode of welding is conducted with electric-conductor.