CN209930315U

CN209930315U - Bone conduction vibrator and microphone for fixed telephone

Info

Publication number: CN209930315U
Application number: CN201921180400.XU
Authority: CN
Inventors: 王昶
Original assignee: Shanghai Quanshun Electronic Technology Co Ltd
Current assignee: Shanghai Quanshun Electronic Technology Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-01-10
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a bone conduction oscillator and microphone for fixed telephone. The bone conduction vibrator is installed in an earpiece of a fixed telephone, and comprises: the cover plate is connected with the earphone, the hollow shell is arranged on the cover plate, the shell is cylindrical, the vibrating piece is arranged in the shell, the permanent magnet is arranged on the vibrating piece, the coil and the circuit board are arranged in the shell, one part of the permanent magnet is located inside the coil, silencing cotton is arranged on the inner wall of the shell, the vibrating piece is connected with the shell through a plurality of connecting plates, and the connecting plates are made of long-strip elastic materials and comprise corrugated structures containing at least four wave crests. The utility model discloses a bone conduction oscillator for fixed telephone can realize increasing the function of bone conduction speaker through reforming transform microphone or replacing the microphone on the basis that does not reform transform fixed telephone. The utility model discloses use the gum and adopt the ripple architecture to fix the oscillator to better solved because the noise that the oscillator vibration produced, improved tone quality.

Description

Bone conduction vibrator and microphone for fixed telephone

Technical Field

The utility model relates to a bone conduction technology, especially, be used for fixed telephone's bone conduction technology.

Background

The traditional loudspeaker utilizes the air to vibrate the eardrum to transmit sound, and the mode can cause certain damage to hearing, especially to the old, and is not suitable for hearing impaired people. The bone conduction speaker does not need to transmit sound through an eardrum, so that damage to hearing is avoided, comfort is improved, the bone conduction speaker can also utilize the characteristic of solid propagation to realize sound emission at any time and any place, and the effect of the bone conduction speaker exceeds the hands-free function of the traditional mobile phone. However, the cost associated with modifying a conventional landline telephone to a landline telephone with a bone conduction speaker is high, which also limits the options available; in addition, most bone conduction speakers also have the problem of noise interference due to the transmission of vibration.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems, the utility model provides a need not reform transform the tradition fixed, convenient to use, the low, with low costs bone conduction oscillator for fixed telephone of noise.

The technical scheme of the utility model is to provide a bone conduction oscillator for fixed telephone, it is installed in fixed telephone's earphone, its characterized in that, it includes: the earphone comprises a cover plate and a shell, wherein the cover plate is connected with the earphone, the shell is arranged on the cover plate and is a hollow shell, a vibrating piece is arranged in the shell, a permanent magnet is arranged on the vibrating piece, a coil and a circuit board are arranged in the shell, one part of the permanent magnet is located inside the coil, silencing cotton is arranged on the inner wall of the shell, the vibrating piece is connected with the shell through a plurality of connecting plates, and the connecting plates are made of long-strip-shaped elastic materials.

Preferably, the connecting plate is of a corrugated structure.

Preferably, the telephone further comprises an end cover for sealing the shell, two wires extend out of the shell along through holes arranged on the end cover, and the wires are connected with telephone audio input signals.

Preferably, the vibration plate is made of a metal material, and the vibration plate and the connection plate are integrally formed.

Preferably, the cover plate includes:

the protective cover is cylindrical and provided with openings at two ends, and is in threaded connection with the earphone;

the end plate is arranged in the protective cover, and the outer side edge of the protective cover is provided with an inward convex edge so as to fix the end plate;

the protective cover and the end plate are made of hard rubber materials, an annular buffer ring is arranged at the edge of the end plate, and the buffer ring is made of soft rubber materials.

Preferably, the end plate is provided with a protrusion protruding outward on the outer side, and the housing is disposed in the protrusion.

Preferably, the projection is cylindrical.

Preferably, be provided with the fixed recess of end plate in the buffering circle inner wall, buffering circle lateral surface edge sets up an annular step portion, the chimb of safety cover is pressed on the step portion in order to fix the buffering circle.

The utility model also provides a microphone for fixed telephone, it includes the bone conduction oscillator, and it includes a handle, handle one end sets up the microphone, the other end sets up the earphone, the bone conduction oscillator sets up in the earphone.

Preferably, the handle is provided with a network port for connecting a fixed telephone.

The utility model discloses a bone conduction oscillator for fixed telephone can realize increasing the function of bone conduction speaker through reforming transform microphone or replacing the microphone on the basis that does not reform transform fixed telephone. The utility model can protect the hearing, so that the user can not influence the hearing after long-time conversation, and can also be provided for the hearing-impaired people to use, thereby facilitating the people to clearly listen to the conversation; the characteristic that bone conduction sound propagates along with solid is also utilized, and sound can be emitted at any time and any place; the utility model discloses use the soft glue to come fixed oscillator with adopting the ripple architecture to solved the noise that produces because the vibration of ebonite earphone itself betterly, improved tone quality.

Drawings

Fig. 1 is an exploded view of a bone conduction vibrator for a stationary telephone according to a preferred embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a bone conduction vibrator for a fixed telephone according to a preferred embodiment of the present invention;

fig. 3 is a schematic view of the structure of a microphone;

fig. 4 is a schematic structural view of the connection plate.

Detailed Description

The following describes in further detail embodiments of the present invention.

As shown in fig. 1 to 4, the present invention provides a bone conduction vibrator for a fixed telephone, which is installed in an earpiece 10 of the fixed telephone, and includes: the earphone comprises a cover plate 12 connected with an earphone 10, a hollow shell 14 arranged on the cover plate 12, wherein the shell 14 is cylindrical, a vibrating piece 16 is arranged in the shell 14, a permanent magnet 18 is arranged on the vibrating piece 16, a coil 20 and a circuit board 22 are arranged in the shell 14, a part of the permanent magnet 18 is positioned in the coil 20, silencing cotton (not shown) is arranged on the inner wall of the shell 14, the vibrating piece 16 is connected with the shell 14 through a plurality of connecting plates 24, and the connecting plates 24 are made of elongated elastic materials (usually metal) and comprise a corrugated structure 26 containing at least four wave crests. The portable telephone further comprises an end cap 28 for closing the housing 14, two wires 30 extending out of the housing 14 along through holes (not shown) formed in the end cap 28, one end of each wire 30 being connected to the circuit board 22, and the other end thereof being connected to the fixed telephone for connecting telephone audio input signals.

In order to better reduce the influence of vibrator vibration on other parts and improve the sound quality, the following improvements are provided:

the vibrating piece 16 is made of a hard glue material, and the vibrating piece 16 and the connecting plate 24 are integrally formed;

the specific structure of the cover plate 12 includes: a cylindrical protective cover 32 with openings at both ends, the protective cover 32 being screwed with the handset 10; a circular plate-shaped end plate 34, the end plate 34 being disposed inside the protective cover 32, the outer side edge of the protective cover 32 having an inward flange for fixing the end plate 34; the protective cover 32 and the end plate 34 are both made of hard rubber materials, an annular buffer ring 36 is arranged at the edge of the end plate 34, and the buffer ring 36 is made of soft rubber materials. The inner wall of the buffer ring 36 is provided with a groove 38 for fixing the end plate 34, the outer side edge of the buffer ring 36 is provided with an annular step 40, and the convex edge of the protective cover 32 presses on the step 40 to fix the buffer ring 36. When the buffer ring 36 and the soft rubber material are used, the vibration of the vibrator is prevented from affecting other parts as much as possible, and therefore high tone quality is obtained.

Further, a cylindrical projection 42 projecting outward is provided outside the end plate 34, and the housing 14 is disposed inside the projection 42.

The utility model also provides a microphone for fixed telephone, it includes bone conduction oscillator (not shown), it includes a handle 50, one end of the handle 50 sets up the microphone 52, the other end sets up the earphone 10, the bone conduction oscillator sets up in the earphone 10; the handle 50 is provided with a network port 54 for connection to a fixed telephone.

The above embodiment is only one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A bone conduction transducer for a fixed telephone, which is mounted in an earpiece of the fixed telephone, comprising: the earphone comprises a cover plate and a shell, wherein the cover plate is connected with the earphone, the shell is arranged on the cover plate and is a hollow shell, a vibrating piece is arranged in the shell, a permanent magnet is arranged on the vibrating piece, a coil and a circuit board are arranged in the shell, one part of the permanent magnet is located inside the coil, silencing cotton is arranged on the inner wall of the shell, the vibrating piece is connected with the shell through a plurality of connecting plates, and the connecting plates are made of long-strip-shaped elastic materials.

2. The bone conduction transducer for a landline telephone of claim 1 wherein: the connecting plate is of a corrugated structure.

3. The bone conduction transducer for a landline telephone of claim 1 wherein: the telephone audio input device also comprises an end cover for sealing the shell, two wires extend out of the shell along through holes arranged on the end cover, and the wires are connected with telephone audio input signals.

4. The bone conduction transducer for a landline telephone of claim 1 wherein: the vibrating piece is made of metal materials, and the vibrating piece and the connecting plate are integrally formed.

5. The bone conduction transducer for a landline telephone of claim 1 wherein: the cover plate includes:

6. The bone conduction transducer for a landline telephone of claim 5 wherein: the end plate outside sets up an outside convex bulge, the casing sets up in the bulge.

7. The bone conduction transducer for a landline telephone of claim 6 wherein: the projection is cylindrical.

8. The bone conduction transducer for a landline telephone of claim 6 wherein: be provided with in the buffering circle inner wall fixedly the recess of end plate, buffering circle lateral surface edge sets up an annular step portion, the chimb of safety cover is pressed on the step portion in order to fix the buffering circle.

9. A microphone for a fixed telephone comprising the bone conduction element of claim 6, wherein: the bone conduction vibrator comprises a handle, wherein one end of the handle is provided with a microphone, the other end of the handle is provided with a receiver, and the bone conduction vibrator is arranged in the receiver.

10. The microphone of claim 9, wherein: the handle is provided with a network port for connecting a fixed telephone.