Efficient conduction type bone conduction vibrator

Abstract

The utility model discloses an efficient conduction type bone conduction vibrator, and relates to the technical field of bone conduction vibrators. The integrated vibrator assembly is arranged on the upper portion of the shell and comprises an upper cover, an elastic piece, a connecting block, a mounting base and a U-cup magnet polar piece, the U-cup magnet polar piece is welded in the mounting base, the mounting base is welded to the inner side of the upper cover through the connecting block, and the elastic piece is welded to the outer side of the connecting block; the lower cover is arranged on the lower portion of the shell, a containing groove is formed in the lower cover, a wiring board is installed in the containing groove, and a coil is bonded to the wiring board. According to the utility model, through the novel structure matching design, the coil is bonded with the wiring board, the magnetic field matching of the polar sheet of the U-cup magnet is matched, the magnetic field opening part and the elastic sheet are combined together in a laser welding manner and are fixed on the shell in an injection molding manner, and resonance with a certain frequency is generated to realize medium conduction sounding; a quality fixing ring is omitted, meanwhile, the welding process is firmer, and the sound conduction efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to bone conduction vibrator technical field, concretely relates to a kind of high-efficiency conduction type bone conduction vibrator. BACKGROUND

[0002] Bone conduction vibrator is a kind of equipment using bone conduction principle to transmit sound. It is usually designed into the form of earphone, and audio signals are transmitted by vibrating skull, so that the wearer can hear the sound without passing through ear canal. Bone conduction technology is particularly suitable for people with hearing impairment, and is also suitable for use in situations where attention to the surrounding environment is required, such as when cycling or running.

[0003] The existing bone conduction vibrator has some problems when in use. The vibrator structure is installed with multiple connectors or adhesive connections inside, which can easily cause gaps, resulting in poor conduction effect and sound quality, and the sealing performance needs to be improved. External moisture and dust can easily enter the inside. SUMMARY

[0004] The utility model aims at providing a kind of high-efficiency conduction type bone conduction vibrator, solve the problem that the vibrator structure is easy to produce gap, external moisture and dust easily enter the inside.

[0005] The utility model solves the above technical problem by the following technical scheme. The utility model discloses a high-efficiency conduction type bone conduction vibrator, which comprises:

[0006] A shell;

[0007] An integrated vibrator assembly is arranged on the upper part of the shell. The integrated vibrator assembly comprises an upper cover, a spring, a connecting block, a mounting seat and a U-shaped cup magnet polarity sheet. The U-shaped cup magnet polarity sheet is welded in the mounting seat. The mounting seat is welded to the inner side of the upper cover through the connecting block. The spring is welded to the outer side of the connecting block.

[0008] A lower cover is arranged on the lower part of the shell. The lower cover is provided with a mounting groove. A wiring board is installed in the mounting groove. A coil is adhered to the wiring board. The coil is arranged on the outer side of the U-shaped cup magnet polarity sheet.

[0009] Two groups of encryption assemblies are used to enhance the sealing performance between the upper cover, the lower cover and the shell.

[0010] Preferably, the encryption assembly comprises a sealing ring, which is adhered to one side of the upper cover and the lower cover, respectively. The sealing ring is clamped in the shell.

[0011] Preferably, the encryption assembly further comprises an encryption capsule ring. Two inner ring grooves are formed on the inner wall of the shell. The encryption capsule ring is clamped in the inner ring grooves. A clamping ring groove is formed on the outer side of the sealing ring. The inner side of the encryption capsule ring corresponds to the clamping ring groove.

[0012] Preferably, the encryption assembly further comprises a positioning ring, a positioning ring groove is formed on the inner wall of the inner ring groove, and the positioning ring is fused outside the encryption capsule ring and adhered in the positioning ring groove.

[0013] Preferably, one side of the encryption capsule ring is fused with a liquid injection pipe, one end of the liquid injection pipe is arranged on the outer wall of the shell, the encryption capsule ring is filled with glue liquid, and the inner side of the encryption capsule ring is clamped in the clamping ring groove.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. Through new structure matching design, the coil and the wiring board are adhered, the magnetic field matching of the U cup magnet polarity piece is matched, the magnetic circuit opening part and the spring sheet are combined by laser welding, and are fixed on the shell by injection molding, so that resonance of a certain frequency is generated to realize medium conduction sound production, the quality fixing ring is saved, the welding process is more reliable, and the conduction sound production efficiency is higher.

[0016] 2. The sealing ring can ensure that the upper cover and the lower cover are good in sealing with the shell, and the encryption assembly can ensure that the sealing is good to the maximum extent. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is an exploded view of the utility model;

[0018] Figure 2 is a sectional view of the utility model.

[0019] Figures in the drawing represent:

[0020] 1. shell; 2. integrated sonotrode assembly; 201. upper cover; 202. spring sheet; 203. connecting block; 204. mounting seat; 205. U cup magnet polarity piece; 3. lower cover; 4. wiring board; 5. coil; 6. encryption assembly; 601. sealing ring; 602. encryption capsule ring; 603. positioning ring; 7. inner ring groove; 8. clamping ring groove; 9. glue liquid; 10. positioning ring groove; 11. liquid injection pipe. DETAILED DESCRIPTION

[0021] The above and other technical features and advantages of the utility model will be described in more detail below in combination with the drawings.

[0022] Example 1

[0023] The embodiment provides a technical scheme: a high-efficiency conduction type bone conduction sonotrode, which comprises a shell 1, an integrated sonotrode assembly 2 and a lower cover 3. Figure 1 and Figure 2 As shown in the drawings, the shell 1 is provided with an integrated sonotrode assembly 2 and a lower cover 3.

[0024] In a specific implementation, the integrated vibration subassembly 2 is arranged on the upper portion of the shell 1, and the integrated vibration subassembly 2 comprises an upper cover 201, an elastic sheet 202, a connecting block 203, a mounting seat 204, and a U-shaped cup-shaped magnet polarity sheet 205, the U-shaped cup-shaped magnet polarity sheet 205 is welded in the mounting seat 204, the mounting seat 204 is welded on the inner side of the upper cover 201 through the connecting block 203, the elastic sheet 202 is welded on the outer side of the connecting block 203, the upper cover 201 can be conveniently contacted with a user, the coil 5 is bonded with the wiring board 4 through new structure matching design, the magnetic field of the U-shaped cup-shaped magnet polarity sheet 205 is matched, the magnetic circuit opening portion is combined with the elastic sheet 202 in a laser welding form, and the shell 1 is fixed on the upper portion of the shell 1 in a form of injection molding, resonance of a certain frequency is generated to realize medium conduction sound production, the mass fixing ring is omitted, the welding process is more reliable, and the conduction sound production efficiency is higher.

[0025] The lower cover 3 is arranged on the lower portion of the shell 1, the lower cover 3 is provided with a mounting groove in the inside, the wiring board 4 is arranged in the mounting groove, the coil 5 is bonded on the wiring board 4, and the coil 5 is arranged on the outer side of the U-shaped cup-shaped magnet polarity sheet 205. Since the coil 5 is arranged on the outer side of the U-shaped cup-shaped magnet polarity sheet 205, when the signal current passes through the coil 5, the vibration sub is driven to vibrate up and down by the Lorentz force, and the diaphragm is driven to produce sound, and then the sound can be transmitted through the upper cover 201.

[0026] Embodiment 2

[0027] This embodiment is further optimized on the basis of the first embodiment, and the same parts as the foregoing technical solutions will not be described again. In order to better realize the utility model, the following arrangement is particularly adopted:

[0028] The bone conduction vibration sub further comprises two groups of encryption assemblies 6, which are used to enhance the sealing performance between the upper cover 201, the lower cover 3 and the shell 1. The encryption assembly 6 comprises a sealing ring 601, which is bonded on one side of the upper cover 201 and the lower cover 3 respectively, and is clamped in the shell 1. The encryption assembly 6 further comprises an encryption capsule ring 602, two inner ring grooves 7 are arranged on the inner wall of the shell 1, and the encryption capsule ring 602 is clamped in the inner ring grooves 7. A clamping ring groove 8 is arranged on the outer side of the sealing ring 601, and the inner side of the encryption capsule ring 602 corresponds to the clamping ring groove 8. The encryption assembly 6 further comprises a positioning ring 603, a positioning ring groove 10 is arranged on the inner wall of the inner ring groove 7, and the positioning ring 603 is fused on the outer side of the encryption capsule ring 602 and bonded in the positioning ring groove 10. An injection pipe 11 is fused on one side of the encryption capsule ring 602, one end of the injection pipe 11 is arranged on the outer wall of the shell 1, and the encryption capsule ring 602 is filled with glue 9. The inner side of the encryption capsule ring 602 is clamped in the clamping ring groove 8. The encryption capsule ring 602 can maximize the sealing effect between the sealing ring 601 and the shell 1, so as to prevent external moisture and dust from entering the shell 1.

[0029] The sealing ring 601 can ensure good sealing between the upper cover 201, the lower cover 3 and the shell 1, and the encryption assembly 6 can ensure good sealing to the maximum extent. When being installed, the encryption capsule ring 602 is in a dry state, the encryption capsule ring 602 does not contact the sealing ring 601, then the encryption capsule ring 602 is injected into the encryption capsule ring 602 through the liquid injection pipe 11, then the encryption capsule ring 602 can expand and the inner side can be moved into the clamping ring groove 8, so that the sealing property can be enhanced.

[0030] The above is only the preferred embodiment of the present application, which is only illustrative but not limiting. It is understood by those skilled in the art that many changes, modifications and even equivalents can be made to the present application within the spirit and scope of the present application, but all will fall within the protection scope of the present application.

Claims

1. A high efficiency conductive bone conduction transducer, characterized in that, Include: The shell (1); Integrated shock subassembly (2), which is arranged in the upper part of the shell (1), the integrated shock subassembly (2) includes upper cover (201), elastic sheet (202), connecting block (203), mounting seat (204) and U cup magnet polarity sheet (205), the U cup magnet polarity sheet (205) is welded in the mounting seat (204), the mounting seat (204) is welded in the inner side of the upper cover (201) through the connecting block (203), the elastic sheet (202) is welded on the outer side of the connecting block (203); Lower cover (3), and is arranged in the lower part of the shell (1), the lower cover (3) is provided with a setting groove, the setting groove is provided with a wiring board (4), the wiring board (4) is bonded with a coil (5), the coil (5) is arranged outside the U cup magnet polarity sheet (205); Two groups of encryption components (6) are used to enhance the sealing between the upper cover (201) and the lower cover (3) and the shell (1).

2. The high efficiency conductive bone conduction transducer of claim 1, wherein, The encryption component (6) includes a sealing ring (601), and the sealing ring (601) is bonded on one side of the upper cover (201) and the lower cover (3), respectively, and the sealing ring (601) is clamped in the shell (1).

3. A high efficiency bone conduction transducer as claimed in claim 2, wherein, The encryption component (6) further includes an encryption capsule ring (602), two inner ring grooves (7) are formed on the inner wall of the shell (1), the encryption capsule ring (602) is clamped in the inner ring groove (7), and the outer side of the sealing ring (601) is provided with a clamping ring groove (8), and the inner side of the encryption capsule ring (602) corresponds to the clamping ring groove (8).

4. A high efficiency bone conduction transducer as claimed in claim 3, wherein, The encryption component (6) further includes a positioning ring (603), and the inner wall of the inner ring groove (7) is provided with a positioning ring groove (10), and the positioning ring (603) is fused on the outer side of the encryption capsule ring (602) and bonded in the positioning ring groove (10).

5. A high efficiency bone conduction transducer as claimed in claim 4, wherein, One side of the encryption capsule ring (602) is fused with a liquid injection pipe (11), one end of the liquid injection pipe (11) is arranged on the outer wall of the shell (1), the encryption capsule ring (602) is filled with glue (9), and the inner side of the encryption capsule ring (602) is clamped in the clamping ring groove (8).

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