CN208638710U - Microphone device - Google Patents

Abstract

The utility model discloses a kind of microphone device, it includes surrounding frame by side wall, be fixed on frame vibrational system and magnetic circuit system and be individually fixed in frame opposite sides two conductive base pins, vibrational system includes the voice coil for being fixed on the vibrating diaphragm and driving diaphragm oscillations of frame, conductive base pin is electrically connected with voice coil, it is characterized in that, conductive base pin includes the fixed arm for being fixed on frame, elastic arm oppositely extending by fixed arm and being vacantly arranged, the hook arm in frame is extended to from elastic arm to the bending arm extended close to frame direction and by frame direction laterally closer in bending arm, bending arm and the interior angle setting for hooking the junction of arm are in rounded corner or chamfering；Side wall is recessed to form container close to the lateral edge for hooking arm far from the direction for hooking arm, hooks the interior card that formed of arm insertion container and sets.Compared with the relevant technologies, the microphone device stability of the utility model is good and high reliablity.

Description

Microphone device

[technical field]

The utility model relates to electroacoustic conversion art more particularly to a kind of acoustical generators for applying to portable electronic product Part.

[background technique]

With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just It is the music function of high-quality, therefore, the microphone device for playing sound is widely applied Intelligent mobile equipment till now Among.

The microphone device of the relevant technologies includes the frame with retaining wall, the vibrational system for being fixed on frame and driving institute State the magnetic circuit system of vibrational system vibration sounding, be arranged through the side wall and the leakage structure that is connected to the confined space with And it is fixed on the conductive base pin of frame.

However, conductive base pin is anchored on the retaining wall of frame by tooling bending in the microphone device of the relevant technologies.It is leading Electrical prongs are anchored to completely before the frame, and the position that conductive base pin contacts retaining wall is right-angle structure, in the process of bending, due to Conductive base pin and frame are interference fits, which is easy to scratch and even breaks retaining wall.

Therefore, it is really necessary to provide a kind of new microphone device solution above-mentioned technical problem.

[utility model content]

The purpose of the utility model is to overcome above-mentioned technical problem, provide that a kind of stability is good and the acoustical generator of high reliablity Part.

The utility model provides a kind of microphone device comprising the vibration for surrounding frame by side wall, being fixed on the frame System and magnetic circuit system and be individually fixed in the frame opposite sides two conductive base pins, the vibrational system includes It is fixed on the vibrating diaphragm of the frame and drives the voice coil of the diaphragm oscillations, the conductive base pin is electrically connected with the voice coil；Institute State conductive base pin include the fixed arm for being fixed on the frame, it is oppositely extending by the fixed arm and be vacantly arranged elastic arm, From the elastic arm to the bending arm extended close to the frame direction and by laterally closer frame side in the bending arm To the hook arm extended in the frame, the interior angle setting of the bending arm and the junction for hooking arm in rounded corner or is fallen Angle；The side wall is recessed to form container close to the lateral edge for hooking arm far from the direction for hooking arm, the hook arm insertion Card is formed in the container to set.

Preferably, the side wall includes two the first side walls being oppositely arranged and two second sidewalls being oppositely arranged, institute The length for stating the first side wall is less than the length of second wall and surrounds the frame jointly；Two conductive base pins are solid respectively Due to two the first side walls and it is parallel to the first side wall extension, the container includes at least two and is respectively set In in two second sidewalls.

Preferably, two conductive base pins are symmetrical arranged.

Preferably, the fixed arm is molded in the frame.

Compared with the relevant technologies, the microphone device of the utility model, the conductive base pin includes being fixed on the frame Fixed arm, it is oppositely extending from the fixed arm and be vacantly arranged elastic arm, from the elastic arm to close to the frame direction The bending arm of extension and the hook arm in the frame, the folding are extended to by laterally closer frame direction in the bending arm The interior angle setting of curved boom and the junction for hooking arm is in rounded corner or chamfering, and the side wall is remote close to the lateral edge for hooking arm It is recessed to form container from the direction for hooking arm, so that the hook arm is arranged in the container, so that described conductive slotting Part is stable, is securely fixed in the frame, so that the microphone device stability, high reliablity；In addition, described During conductive base pin is bent, the interior angle smoothly transitions from entire bending process, to improve the hair The reliability and stability of acoustic device.

[Detailed description of the invention]

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:

Fig. 1 is the schematic perspective view of the utility model microphone device；

Fig. 2 is the part isometric structural exploded view of the utility model microphone device；

Fig. 3 is the cross-sectional view of the line A-A along Fig. 1；

Fig. 4 is the stereochemical structure exploded view of the utility model frame and conductive base pin other direction；

Fig. 5 is the schematic perspective view of the utility model conductive base pin；

Fig. 6 is the schematic perspective view of the utility model conductive base pin other direction；

Fig. 7 is the enlarged diagram of part shown in B in Fig. 6.

[specific embodiment]

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~2, the utility model provides a kind of microphone device 100 comprising frame 1, be fixed on it is described The vibrational system 2 and magnetic circuit system 3 of frame 1, be individually fixed in the frame 1 opposite sides two conductive base pins 4.

The frame 11 is surrounded by the side wall 11, and the frame 1, the vibrational system 2 and the magnetic circuit system 3 are common Confined space is surrounded, i.e., for generating the sounding back cavity of frequency acoustic performance.

The vibrational system 2 includes the vibrating diaphragm 21 for being fixed on the frame 1 and the sound for driving 21 vibration sounding of vibrating diaphragm Circle 22, the conductive base pin 4 is electrically connected with the voice coil 22.In present embodiment, the voice coil 22 includes electrode line and cathode Line, two conductive base pins 4 are electrically connected with the electrode line and negative line formation respectively and pass positive and negative electrode electric signal It is directed at the voice coil 22, so that the voice coil 22 generates forward and reverse electromagnetic field, under the magnetic circuit system 3 effect, the voice coil 22 occur the vibration in vertical direction.

The magnetic circuit system 3 generates magnetic field and the vibrational system collective effect, is driven by the magnetic circuit system 3 described 2 vibration sounding of vibrational system.

The magnetic circuit system 3 includes that the magnet steel of the magnetic bowl 31 is fixed in the magnetic bowl 31 for being fixed on the side wall 1 and receiving 32, the magnet steel 32 forms magnetic gap (not labeled) with the setting of the magnetic bowl 31 interval, and the voice coil 22 plugs and is suspended in institute It states in magnetic gap.

Please refer to Fig. 5~7, the conductive base pin 4 includes being fixed on the fixed arm 41 of the frame 1, by described solid Fixed arm 41 it is oppositely extending and be vacantly arranged elastic arm 42, from the elastic arm 42 to close to 1 direction of frame extend folding Curved boom 43 and the hook arm 44 in the frame 1, the folding are extended to by 1 direction of frame laterally closer in the bending arm 43 The setting of interior angle 441 of curved boom 43 and the junction for hooking arm 44 is in rounded corner or chamfering.

It is worth one, the rounded corner is in circular arc planar, and the chamfering is in tapered plane shape, and the chamfering includes 45 ° Chamfering (i.e. the angle of falling C) and non-45 ° of chamferings, in present embodiment, the interior angle 441 is 45 ° of chamferings (i.e. the angle of falling C).

Please refer to 2~4, the side wall 11 is recessed far from the direction for hooking arm 44 close to the lateral edge for hooking arm 44 It falls into and forms container 1121, the side wall 11 is also provided with accommodating space 1111.

In present embodiment, the frame 1 is in rectangular configuration, and the side wall 11 includes two the first side walls being oppositely arranged 111 and two second sidewalls 112 being oppositely arranged, the first side wall 111 and the second sidewall 112 surround the basin jointly Frame 1, the length of the first side wall 111 are less than the length of the second sidewall 112.Preferably, the container 1121 is at least It including two and is respectively arranged in two second sidewalls 112, that is, is set on the longer side wall of the frame 1；That Corresponding, the accommodating space 1111 also includes at least two and is respectively arranged on the first side wall 111.

Certainly, the structure of the frame 1 is not limited to rectangle, and the container 1121 also can be set in second sidewall 112 On, it is also feasible that the conductive base pin 4, which is fixedly installed in the second sidewall 112,.

Further, two conductive base pins 4 are individually fixed in two the first side walls 111 and are parallel to described One side wall 111 extends, and one end fixation of the conductive base pin 4 is contained in the accommodating space 1111, and the other end is arranged in In the container 1121, so that the conductive base pin 4 is stablized, is securely fixed in the frame 1, so that electric signal Transmission stability, high reliablity so that the microphone device 100 stability is high, high reliablity.

Preferably, two conductive base pins 4 are symmetrical arranged, so that the stability of the microphone device 100, reliability are more It is high.

In present embodiment, by being molded in the frame 1, the fixed arm 41 is fixed to be received the fixed arm 41 It is dissolved in the accommodating space 1111；The hook arm 44 is inserted into the container 1121 to be formed to block and set.

Specifically, the second sidewall 112 further includes by the second sidewall 112 close to the side of the conductive base pin 4 The retaining wall 1122 extended to form along the direction close to the conductive base pin 4, the retaining wall 1122 are corresponding with the container 1121； The hook arm 44 is anchored to the retaining wall 1122 by way of bending fixture and fixing card is set in the container 1121.Curved During folding, 4 part of conductive base pin is bent to form the bending arm 43, and the bending arm 43 is constantly to the retaining wall 1122 bendings are close, and it is interference between the hook arm 44 and the retaining wall 1122 that the hook arm 44, which is connected to the retaining wall 1122, Cooperation, enables the conductive base pin 4 to be securely fixed in the frame 1, so that the microphone device 100 is stablized Property, high reliablity.

In present embodiment, during bending, the interior angle 441 is first contacted with the retaining wall 1122, due to described Interior angle 441 is one of rounded corner or chamfering, reduces the frictional force generated between the interior angle 441 and the retaining wall 1122 And constant-pressure avoids the retaining wall 1122 from being scratched or be pressed down, and then make so that bending process can smoothly transition from 100 reliability of microphone device, safety are higher.

Certainly, the interior angle 441 is not limited to one of rounded corner or chamfering, as long as scratch when bending can be avoided effectively Or the retaining wall 1122 is broken, the other structures of the container 1121 are reliably contained in, principle is the same.

Compared with the relevant technologies, the microphone device 100 of the utility model, the conductive base pin 4 includes being fixed on the basin The fixed arm 41 of frame, from the fixed arm 41 elastic arm 42 oppositely extending and being vacantly arranged, from the elastic arm 42 to close The bending arm 43 and the basin is extended to by 1 direction of frame laterally closer in the bending arm 43 that the frame direction extends Hook arm 44 in frame 1, the bending arm 43 and the setting of interior angle 441 of the junction for hooking arm 44 are in rounded corner or the angle of falling C, institute It states side wall and is recessed to form container 1121 far from the direction for hooking arm 44 close to the lateral edge for hooking arm 44, so that the hook Arm 44 is arranged in the container 1121, so that the conducting plug 4 is stablized, is securely fixed in the frame 1, thus So that 100 stability of microphone device, high reliablity；In addition, during the conductive base pin 4 bending, the interior angle 441 smoothly transition from entire bending process, to improve the reliability and stability of the microphone device.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other relevant technical fields, are also included in the patent protection scope of the utility model.

Claims (4)

1. a kind of microphone device comprising by side wall surround frame, the vibrational system for being fixed on the frame and magnetic circuit system with And two conductive base pins of the opposite sides of the frame are individually fixed in, the vibrational system includes being fixed on the frame Vibrating diaphragm and the voice coil for driving the diaphragm oscillations, the conductive base pin are electrically connected with the voice coil, which is characterized in that the conduction Pin includes the fixed arm for being fixed on the frame, it is oppositely extending by the fixed arm and be vacantly arranged elastic arm, by described Elastic arm extends to the bending arm extended close to the frame direction and by frame direction laterally closer in the bending arm The interior angle setting of hook arm in the frame, the bending arm and the junction for hooking arm is in rounded corner or chamfering；It is described Side wall is recessed to form container close to the lateral edge for hooking arm far from the direction for hooking arm, and the hook arm is inserted into the receiving Card is formed in slot to set.

2. microphone device according to claim 1, which is characterized in that the side wall includes two the first sides being oppositely arranged Wall and two second sidewalls being oppositely arranged, the length of the first side wall are less than the length of the second sidewall and surround jointly The frame；Two conductive base pins, which are individually fixed in two the first side walls and are parallel to the first side wall, to be extended, The container includes at least two and is respectively arranged in two second sidewalls.

3. microphone device according to claim 2, which is characterized in that two conductive base pins are symmetrical arranged.

4. microphone device according to claim 1, which is characterized in that the fixed arm is molded in the frame.