CN218526442U

CN218526442U - Shock-absorbing microphone assembly, hearing aid and earphone

Info

Publication number: CN218526442U
Application number: CN202222717267.5U
Authority: CN
Inventors: 朱达云
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2023-02-24
Anticipated expiration: 2032-10-15

Abstract

The utility model belongs to the technical field of hearing aids, in particular to a shock-proof microphone rod component, a hearing aid and an earphone, which comprises a pickup end, a connecting end and a soft rubber rod; two ends of the soft rubber rod are respectively connected with the pickup end and the connecting end, a microphone is arranged in the pickup end, and a pickup hole communicated with the microphone is formed in the outer wall of the pickup end; a cable penetrates through the connecting end, the soft rubber rod and the pickup end, and one end of the cable is electrically connected with the microphone; the shock-proof microphone rod component can be applied to electronic devices such as earphones or hearing aids, and a main machine of the earphones or the hearing aids is provided with a sound production unit; the flexible glue pole that hinders and shake miaow pole adopts the flexible glue material, and the flexible glue pole of flexible glue material can block the vibrations sound wave that sound producing unit produced and conduct the microphone, has effectively attenuated the energy feedback of solid conduction sound wave to the microphone in through the flexible glue pole to avoid the problem of outside squeal, prevent that squeal is effectual.

Description

Shock-absorbing microphone assembly, hearing aid and earphone

Technical Field

The utility model belongs to the technical field of the audiphone, especially, relate to a shock-proof miaow pole subassembly, audiphone and earphone.

Background

The hearing aid is a small-sized loudspeaker, originally inaudible sound is amplified, and residual hearing of the hearing-impaired person is utilized, so that the sound can be transmitted to the brain auditory center, and the hearing-impaired person feels the sound, thereby bringing great convenience to the hearing-impaired person.

A hearing aid is a device for assisting hearing, and includes a housing, and a sound generating unit (receiver or earpiece), a microphone, a control circuit, an amplifier, and a battery, which are mounted inside the housing. The microphone receives sound, the control circuit transmits signals to the sound production unit, and the sound production unit enlarges the sound and sends the sound to the brain auditory center of the hearing-impaired person, so that the person can hear the sound. However, the close distance between the sound generating unit and the microphone of the hearing aid often causes howling when in use, which affects the hearing aid effect and makes the ears of the wearer uncomfortable. For example: the utility model discloses a chinese utility model patent application number is CN202122560230.1 discloses a audiphone, chinese utility model patent application number is a kind of duct formula audiphone that CN201820511183.7 discloses to and chinese utility model patent application number is a kind of audiphone that can avoid the sound of howling etc. that CN201921706225.3 discloses, do not list one by one here, foretell audiphone all has the technical problem that "the sound production unit of audiphone is nearer with the distance of microphone, often can produce the sound of howling" when leading to using.

Therefore, there is a need to provide a hearing aid that is effective in preventing howling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shock-proof miaow pole subassembly, the distance that aims at solving the sound production unit of audiphone among the prior art and microphone is nearer, leads to often producing the sound of howling when using, has influenced the hearing aid effect on the one hand, and on the other hand makes the very uncomfortable technical problem of person's ear of wearing.

In order to achieve the above object, the embodiment of the present invention provides a shock-proof microphone rod assembly, which includes a pickup end, a connection end and a flexible glue rod; two ends of the soft rubber rod are respectively connected with the pickup end and the connecting end, a microphone is arranged in the pickup end, and a pickup hole communicated with the microphone is formed in the outer wall of the pickup end; a cable is worn to locate the link the flexible glue pole with the pickup end, just the one end of cable with microphone electricity is connected.

Optionally, the microphone housing is provided with a shockproof soft rubber sleeve, and the shockproof soft rubber sleeve is provided with a clearance hole for clearance of the sound pickup hole.

Optionally, a connecting piece is connected between the soft rubber rod and the sound pickup end; the soft rubber rod with the one end that the pickup end is close to each other is equipped with first mounting groove and second mounting groove respectively, the both ends of connecting piece fixed connection respectively in first mounting groove with the second mounting groove.

Optionally, the pickup end is close to the one end of soft gluey pole is equipped with a connecting piece, soft gluey pole is equipped with first mounting groove, connecting piece fixed connection in first mounting groove.

Optionally, the inner wall of first mounting groove inwards extends to have the card protruding, the connecting piece is equipped with the draw-in groove, the protruding joint of card in the draw-in groove.

Optionally, the pickup end is a soft rubber pickup end, and the soft rubber pickup end is connected with the soft rubber rod to form an integrated structure.

Optionally, the soft rubber rod to the one end extension of pickup end has the parcel portion, just the parcel portion parcel pickup end.

A hearing aid comprising a main unit and the shock-absorbing microphone rod assembly; the host comprises a sounding unit, a battery and a control circuit board; the sounding unit and the battery are electrically connected with the control circuit board; the connecting end is connected with the host, and the other end of the cable is electrically connected with the control circuit board.

Optionally, the host computer has seted up the mounting hole, the inner wall of mounting hole inwards extends a spacing ring, the link is equipped with the connecting axle, the tip of connecting axle is equipped with the locating part, the connecting axle rotate connect in the annular hole of spacing ring, the locating part rotate connect in the mounting hole and spacing in the spacing ring.

An earphone is provided with the shock-proof microphone rod assembly.

Compared with the prior art, the embodiment of the utility model provides an above-mentioned one or more technical scheme in shock-proof miaow pole subassembly, audiphone and the earphone have one of following technological effect at least:

the shock-proof microphone rod component can be applied to electronic devices such as earphones or hearing aids, and the shock-proof microphone rod component is fixedly connected with a main machine of the electronic devices such as the earphones or the hearing aids through a connecting end, and the main machine of the earphones or the hearing aids is provided with a sound production unit (such as a bone conduction sound production unit).

1. The soft rubber rod of the shock-proof microphone rod is made of a soft rubber material, the soft rubber rod made of the soft rubber material can block (weaken) shock sound waves generated by a sound production unit (particularly a bone conduction sound production unit) of an earphone or a hearing aid to be conducted to the microphone, and energy of the solid conduction sound waves is effectively attenuated by the soft rubber rod and fed back to the microphone, so that the problem of external squeal is avoided, and the squeal prevention effect is good.

2. The sound production unit is arranged in a host machine of the earphone or the hearing aid, and the microphone is arranged in the sound pickup end of the shock-resistant microphone rod, so that the distance between the sound production unit and the microphone is greatly increased, the sound production unit and the microphone are far away from each other, internal squeal caused by crosstalk is avoided, and the squeal prevention effect is good.

3. The pickup direction of the sound pickup hole of the shock-proof microphone rod faces towards the front of a person, the speaking sound of the person in front is directly transmitted into the microphone through the pickup hole, and the problems that the microphone is installed on the side face or the back face of the host machine in the prior art to cause poor high-frequency directivity and pickup high-frequency attenuation are solved, so that the pickup frequency band is wider, and the sound (pickup) is clearer.

4. The vibration-proof microphone rod is rotatably connected in the annular hole of the limiting ring of the host through the connecting shaft, and the vibration-proof microphone rod can be rotated according to the environmental requirements to adjust the pickup direction of the pickup hole, so that the sound can be picked up more clearly.

5. The microphone outer cover is provided with a shockproof soft rubber sleeve, and the shockproof soft rubber sleeve can secondarily block the influence of shock sound waves generated by the sound generating unit on the microphone, so that the squeaking prevention effect is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a hearing aid according to a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a hearing aid according to a second embodiment of the present invention.

Fig. 3 is a cross-sectional view of a shock-blocking pole according to a first embodiment of the present invention.

Fig. 4 is a first partial structural schematic view of a shock-proof mic rod according to a first embodiment of the present invention.

Fig. 5 is a second partial structural schematic view of a shock-blocking pole according to a first embodiment of the present invention.

Fig. 6 is another perspective view of the shock-blocking pole according to the first embodiment of the present invention.

Fig. 7 is a sectional view of a shock-proof rod according to the second embodiment of the present invention.

Fig. 8 is an exploded view of a third shock-proof rod according to the present invention.

Fig. 9 is an exploded view of a shock-proof rod according to a fourth embodiment of the present invention.

Fig. 10 is an exploded view of a shock-blocking pole according to a fifth embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100. a host; 110. a sound emitting unit; 120. mounting holes; 121. a limiting ring; 122. annular ring;

200. a shock-absorbing microphone rod; 210. a pickup end; 211. a sound pickup hole; 212. a mounting cavity; 213. a containing groove; 214. a second mounting groove; 215. a first housing; 216. a second housing; 220. a connecting end; 221. a connecting shaft; 222. a stopper; 230. a soft rubber rod; 231. a first mounting groove; 232. clamping and protruding; 233. a third mounting groove; 234. a wrapping section; 240. a microphone; 250. a cable; 260. a shockproof soft rubber sleeve; 261. avoiding a void; 270. a connecting member; 271. a card slot; 280. a sound absorption hole; 290. and (4) a filter screen.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the embodiments of the present invention, and should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, referring to fig. 1-8, a shock absorbing microphone rod assembly 200 is provided, which includes a pickup end 210, a connection end 220, and a flexible glue rod 230.

Wherein, the both ends of soft gluey pole 230 respectively with pickup end 210 with the link 220 is connected, link 220 connect in host computer 100, be equipped with microphone 240 in the pickup end 210, the intercommunication has been seted up to the outer wall of pickup end 210 the pickup hole 211 of microphone 240.

A cable 250 is disposed through the connection end 220, the soft rubber rod 230 and the sound pickup end 210, and one end of the cable 250 is electrically connected to the microphone 240.

Referring to fig. 1 and 2, the shock absorbing microphone assembly 200 may be applied to an electronic device such as an earphone or a hearing aid, the shock absorbing microphone assembly 200 is fixedly connected to a main unit 100 of the electronic device such as an earphone or a hearing aid through a connection end 220, and the main unit 100 of the earphone or the hearing aid has a sound generating unit 110 (e.g., a bone conduction sound generating unit).

Compared with the prior art, the embodiment of the utility model provides an above-mentioned one or more technical scheme in the shock-proof miaow pole subassembly have one of following technological effect at least:

1. the soft rubber rod 230 of the shock-blocking microphone rod 200 is made of a soft rubber material, the soft rubber rod 230 made of the soft rubber material can block (weaken) shock sound waves generated by the sound generating unit 110 (particularly the bone conduction sound generating unit 110) of the earphone or the hearing aid from being conducted to the microphone 240, and the energy of the solid conduction sound waves is effectively attenuated by the soft rubber rod and fed back to the microphone 240, so that the problem of external squeal is avoided, and the squeal prevention effect is good.

2. The sound generating unit 110 is located in the main body 100 of the earphone or the hearing aid, and the microphone 240 is installed in the sound pickup end 210 of the shock-proof microphone rod 200, so that the distance between the sound generating unit and the microphone 240 is greatly increased, the sound generating unit and the microphone 240 have a longer distance, the internal howling caused by crosstalk is avoided, and the howling prevention effect is good.

In another embodiment of the present invention, referring to fig. 3-5, the housing of the microphone 240 is provided with a shockproof soft rubber sleeve 260, the shockproof soft rubber sleeve 260 is provided with a clearance hole 261 for avoiding the sound pickup hole 211, and when in use, the voice of a person speaking is transmitted into the microphone 240 through the sound pickup hole 211 and the clearance hole 261 in sequence. The outer cover of the microphone 240 is provided with the shockproof soft rubber sleeve 260, and the shockproof soft rubber sleeve 260 can secondarily block the influence of shock sound waves generated by the sound generating unit 110 on the microphone 240, so that the whistling prevention effect is further improved, and the hearing aid quality is improved.

Further, referring to fig. 3 to 5, a receiving groove 213 is disposed in the sound pickup end 210, and the shockproof soft rubber sleeve 260 is received in the receiving groove 213, so that the structure is compact. The shockproof soft rubber sleeve 260 can be installed in the accommodating groove 213 in a clamping manner or a bonding manner, and is convenient to install.

In another embodiment of the present invention, referring to fig. 2 to 5, a connecting member 270 is connected between the soft rubber rod 230 and the sound pick-up end 210, so as to fixedly connect the soft rubber rod 230 and the sound pick-up end 210. In some embodiments, the two ends of the connecting member 270 may be directly and fixedly connected to the soft rubber rod 230 and the sound-picking end 210 by clamping, bonding, or screwing.

In a specific embodiment, referring to fig. 3 to 5, in order to achieve a more secure connection, a first mounting groove 231 and a second mounting groove 214 are respectively disposed at ends of the soft rubber rod 230 and the sound pickup end 210, and two ends of the connecting member 270 are respectively fixedly connected to the first mounting groove 231 and the second mounting groove 214, so that the soft rubber rod 230 and the sound pickup end 210 are fixedly connected. Wherein, the connecting piece 270 can be fixed on the first mounting groove 231 and the second mounting groove 214 through clamping, bonding, or screwing and the like, and the assembly is convenient.

In other embodiments, referring to fig. 6 and 8, a connecting member 270 is disposed at an end of the sound pick-up end 210 close to the soft rubber rod 230, the soft rubber rod 230 is provided with a first mounting groove 231, and the connecting member 270 is fixedly connected to the first mounting groove 231. Specifically, the connecting piece 270 with the pickup end 210 sets up to a body structure, sound construction, processing is convenient. Of course, the connecting member 270 and the sound pickup end 210 may also be separate structural members, wherein the connecting member 270 and the sound pickup end 210 may be fixedly connected by clamping, bonding, or screwing.

Further, referring to fig. 3-5, the inner wall of the first mounting groove 231 extends inward to form a clamping protrusion 232, the connecting member 270 is provided with a clamping groove 271, and the clamping protrusion 232 is clamped in the clamping groove 271, so that the soft rubber rod 230 is firmly connected with the connecting member 270, and the structure is stable and is not easy to detach.

In another embodiment of the present invention, the soft rubber rod 230 is close to the one end of the connecting end 220 and is provided with a third mounting groove 233, and the one end of the connecting end 220 is fixedly connected to the third mounting groove 233. Wherein, the connecting end 220 can be fixed in the third mounting groove 233 through clamping, bonding, or screw connection and other modes, and the assembly is convenient.

In another embodiment of the present invention, referring to fig. 2-5, the pickup direction of the pickup hole 211 of the shock-proof microphone rod 200 is toward the front of the person, when in use, the speaking sound of the person in front is directly transmitted into the microphone 240 through the pickup hole 211, which solves the problem of poor high-frequency directivity and pickup high-frequency attenuation caused by the microphone 240 being installed on the side or back of the main frame 100 in the prior art, so that the pickup frequency band is wider and the sound (pickup) is clearer.

In another embodiment of the present invention, referring to fig. 9, the pickup end 210 is a soft rubber pickup end, the soft rubber pickup end 210 and the soft rubber rod 230 are connected to form an integrated structure, and the microphone 240 is wrapped in the soft rubber pickup end 210, so that the energy of the solid conduction sound wave can be more effectively attenuated and fed back to the microphone 240, and the performance of preventing howling is further improved.

In another embodiment of the present invention, referring to fig. 10, the soft rubber rod 230 has a wrapping portion 234 extending toward one end of the sound pickup end 210, and the wrapping portion 234 wraps the sound pickup end 210, so as to wrap the microphone 240 in the wrapping portion 234, which can more effectively attenuate the energy of the solid-state sound wave to feed back to the microphone 240, and further improve the anti-squeal performance.

In another embodiment of the present invention, referring to fig. 2 and 8, the pickup end 210 includes a first housing 215 and a second housing 216 adapted to cover the first housing 215. A mounting cavity 212 is formed between the first housing 215 and the second housing 216, the receiving groove 213 is located in the mounting cavity 212, the microphone 240 is mounted in the mounting cavity 212, and the sound pickup hole 211 is disposed in the first housing 215 or the second housing 216. The sound pickup end 210 is provided with a combined structure of the first casing 215 and the second casing 216, so that the microphone 240 and the shockproof soft rubber sleeve 260 are conveniently installed in the installation cavity 212, and the assembly is convenient.

Specifically, the first housing 215 and the second housing 216 can be fixedly connected by snapping, bonding, or screwing, preferably by bonding, and the sealing performance is high.

In another embodiment of the present invention, referring to fig. 2-6, the pickup end 210 is in the side of the pickup hole 211 is equipped with a plurality of sound absorbing holes 280, and the hole sound absorption is a large number of small holes inside the sound absorbing material, such as wood wool sound absorbing board, honeycomb ceramic sound absorbing board, sound wave can go deep into the sound absorbing material along these holes inside and hole edge take place the friction turn into heat energy with sound energy, according to the law of conservation of energy, heat energy is more, and sound energy is just few, therefore, the noise in the environment is absorbed to the accessible sound absorbing hole 280.

In another embodiment of the present invention, a filter screen 290 (also called as a dust screen or a micro-porous tuning net) is disposed between the sound pickup hole 211 and the shockproof soft rubber sleeve 260, and the sound of the sound pickup hole 211 passes through the filter screen 290 and then enters the microphone 240 to reduce noise.

The soft rubber rod 230 may be a long rod or a short rod, which is not limited herein. Referring to fig. 3, the soft adhesive rod 230 is a long rod, and referring to fig. 7, the soft adhesive rod 230 is a short rod.

Referring to fig. 7, the soft rubber rod 230, which is a short rod, may be disposed at any position between the sound pickup end 210 and the connection end 220, and is not limited herein. In other embodiments, two ends of the soft rubber rod 230, which is a short rod, may be fixedly connected to the sound pickup end 210 and the connection end 220 through connection rods, respectively.

In another embodiment of the present invention, referring to fig. 1, 2 and 8, there is also provided a hearing aid comprising a main unit 100 and the shock absorbing microphone stem assembly 200 described above.

Referring to fig. 2 and 8, the host 100 includes a sound unit 110, a battery (not shown), and a control circuit board (not shown). The sound generating unit 110 and the battery are electrically connected to the control circuit board. The connection end 220 is connected to the host 100, and the other end of the cable 250 is electrically connected to the control circuit board.

In another embodiment of the present invention, referring to fig. 2 to 5, the host 100 has a mounting hole 120, the inner wall of the mounting hole 120 extends inwards to form a limiting ring 121, the connecting end 220 is provided with a connecting shaft 221, the end of the connecting shaft 221 is provided with a limiting member 222, the connecting shaft 221 is rotatably connected to the ring hole 122 of the limiting ring 121, and the limiting member 222 is rotatably connected to the mounting hole 120 and is limited to the limiting ring 121. The limiting member 222 is engaged with the limiting ring 121 to limit the vibration of the shock-absorbing rod 200, so as to prevent the connecting shaft 221 from falling off from the mounting hole 120, and to stably rotate and connect the shock-absorbing rod 200 to the main body 100. Specifically, the vibration-damping microphone rod 200 is rotatably connected to the annular hole 122 of the limiting ring 121 of the main unit 100 through the connecting shaft 221, and the vibration-damping microphone rod 200 can be rotated according to environmental requirements to adjust the sound pickup direction of the sound pickup hole 211, so that sound can be picked up more clearly.

Further, the limiting member 222 may be fixed to the connecting shaft 221 by clamping, bonding, or screwing.

Referring to fig. 1 and 2, the host 100 may be an ear-hanging host, a neck-hanging host, a head-wearing host, or other types of hosts, which are not limited herein. The main unit 100 is various main units commonly used in hearing aids, and is a mature prior art and will not be described herein.

In another embodiment of the present invention, referring to fig. 2 and 8, there is also provided an earphone having the shock absorbing microphone stem assembly 200 described above.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims

1. A shock-proof microphone rod assembly is characterized by comprising a sound pickup end (210), a connecting end (220) and a soft rubber rod (230); two ends of the soft rubber rod (230) are respectively connected with the sound pickup end (210) and the connecting end (220), a microphone (240) is arranged in the sound pickup end (210), and a sound pickup hole (211) communicated with the microphone (240) is formed in the outer wall of the sound pickup end (210); a cable (250) is arranged through the connecting end (220), the soft rubber rod (230) and the sound pickup end (210), and one end of the cable (250) is electrically connected with the microphone (240).

2. The shock absorbing microphone pole assembly of claim 1, wherein: the microphone (240) is provided with a shockproof soft rubber sleeve (260) in an outer cover, and the shockproof soft rubber sleeve (260) is provided with a clearance hole (261) for avoiding the sound pickup hole (211).

3. The shock absorbing microphone post assembly of claim 1, wherein: a connecting piece (270) is connected between the soft rubber rod (230) and the sound pickup end (210); soft glue pole (230) with the one end that pickup end (210) are close to each other is equipped with first mounting groove (231) and second mounting groove (214) respectively, the both ends of connecting piece (270) respectively fixed connection in first mounting groove (231) with second mounting groove (214).

4. The shock absorbing microphone post assembly of claim 1, wherein: pickup end (210) are close to the one end of soft gluey pole (230) is equipped with a connecting piece (270), soft gluey pole (230) are equipped with first mounting groove (231), connecting piece (270) fixed connection in first mounting groove (231).

5. The shock absorbing microphone pole assembly of claim 3 or 4, wherein: the inner wall of first mounting groove (231) inwards extends and has card protruding (232), connecting piece (270) are equipped with draw-in groove (271), card protruding (232) joint in draw-in groove (271).

6. The shock absorbing microphone post assembly of claim 1, wherein: the pickup end (210) is a soft rubber pickup end, and the soft rubber pickup end (210) is connected with the soft rubber rod (230) to form an integral structure.

7. The shock absorbing microphone post assembly of claim 1, wherein: the soft rubber rod (230) extends to one end of the sound pick-up end (210) to form a wrapping portion (234), and the wrapping portion (234) wraps the sound pick-up end (210).

8. A hearing aid, comprising a main unit (100) and a shock absorbing microphone rod assembly (200) according to any one of claims 1-7; the host (100) comprises a sound production unit (110), a battery and a control circuit board; the sound production unit (110) and the battery are electrically connected with the control circuit board; the connecting end (220) is connected to the host (100), and the other end of the cable (250) is electrically connected to the control circuit board.

9. A hearing aid according to claim 8, characterized in that: the host computer (100) is provided with a mounting hole (120), the inner wall of the mounting hole (120) extends inwards to form a limiting ring (121), the connecting end (220) is provided with a connecting shaft (221), the end part of the connecting shaft (221) is provided with a limiting piece (222), the connecting shaft (221) is rotatably connected with the ring hole (122) of the limiting ring (121), and the limiting piece (222) is rotatably connected with the mounting hole (120) and limited on the limiting ring (121).

10. An earphone characterized by a shock absorbing microphone arm assembly (200) as claimed in any one of claims 1 to 7.