CN217935909U

CN217935909U - Piezoelectric loudspeaker for earphone

Info

Publication number: CN217935909U
Application number: CN202221901152.5U
Authority: CN
Inventors: 龚正东; 刘中明
Original assignee: Changzhou Hualong Electronics Co ltd
Current assignee: Changzhou Hualong Electronics Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-29
Anticipated expiration: 2032-07-21

Abstract

The utility model provides a piezoelectric loudspeaker for earphone, include: the loudspeaker comprises a loudspeaker body, wherein the loudspeaker body comprises a frame and a cone, the frame is fixed at the edge position of the cone, a plurality of mounting holes are formed in the frame, locking parts are arranged in the mounting holes, parts of the locking parts extend out of the frame, a semi-arc-shaped groove is formed in the edge position of the frame on one side of each locking part, and a stopping gasket is arranged in the semi-arc-shaped groove; the utility model discloses a phenomenon such as fracture and breakage is avoided appearing when the stopping gasket pressurized too big in first polished rod, first threaded rod and stopping gasket, the effectual not hard up effect of having avoided between frame and the cone, in addition through setting up spacing quarter butt and spacing ring, has effectively avoided squinting between first threaded rod and the nut when dropping, has strengthened the stability after frame and the connection of cone, and the frame of stable connection and the cone can effectual extension loudspeaker body's life.

Description

Piezoelectric loudspeaker for earphone

Technical Field

The utility model relates to a loudspeaker technical field particularly, relates to a piezoelectric loudspeaker for earphone.

Background

Loudspeaker include frame and cone, and frame and cone in the loudspeaker that traditional earphone was used pass through bolted connection, but long-time back of using, the bolt can appear becoming flexible, and when the earphone fell down the back from the eminence this moment, the not flexible bolt will appear droing, and then leads to the inside loudspeaker of earphone to thoroughly damage.

Therefore, it is necessary to develop a piezoelectric speaker for earphones.

SUMMERY OF THE UTILITY MODEL

The utility model provides a piezoelectric loudspeaker for earphone solves above-mentioned problem.

In order to achieve the above object, an embodiment of the present invention provides a piezoelectric speaker for earphone, including: the loudspeaker body, the loudspeaker body includes frame and cone, the frame is fixed the border position department of cone, be provided with a plurality of mounting holes on the frame, be provided with the position locking portion in the mounting hole, the part of position locking portion stretches the outside of frame, position locking portion one side the frame border position department has seted up the semi-arc groove, the semi-arc inslot is provided with the stopping gasket, the top surface of stopping gasket with the bottom surface of frame offsets.

Furthermore, the inner side of the semi-arc groove is provided with a limiting ring, and the outer side wall of the limiting ring is fixed on the inner wall of the semi-arc groove.

Furthermore, the locking part comprises a braking blocking piece arranged in the mounting hole of the frame, a first polished rod is fixed at the bottom of the braking blocking piece, and the other end of the first polished rod extends to the lower part of the frame.

Furthermore, a first threaded rod is fixed at the bottom of the first smooth rod.

Furthermore, the surface of the braking baffle is provided with a limiting short rod, and one end of the limiting short rod extends into the limiting ring and extends to the lower part of the frame.

Furthermore, a locking hole is formed in the top of the retaining gasket, and the bottom end of the short limiting rod extends into the locking hole.

Furthermore, an anti-rotation ring is mounted on the top surface of the retaining gasket above the locking hole, and an anti-skid groove is formed in the inner wall of the anti-rotation ring.

Furthermore, a calibration opening is formed in one side of the retaining gasket, and the retaining gasket is rotated to enable the calibration opening to face the first polished surface rod, so that the inner wall of the retaining gasket can be abutted against the outer wall of the first polished surface rod.

Furthermore, a plurality of V-shaped ring grooves are formed in the inner wall of the retaining gasket, and a flexible partition strip is formed between every two adjacent V-shaped ring grooves.

Furthermore, the top surface of the retaining gasket is an anti-skid surface, and the anti-skid surface is abutted against the bottom surface of the frame.

Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has: through first polished rod, first threaded rod and stopping gasket, avoid appearing phenomenons such as fracture and breakage when the stopping gasket pressurized too big, effectually avoided not hard up effect between frame and the cone, in addition through setting up spacing quarter butt and spacing ring, effectively avoided squinting between first threaded rod and the nut when dropping, strengthened the stability after frame and the connection of cone.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of a preferred embodiment of a piezoelectric speaker for an earphone according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a perspective view of a preferred embodiment of the positioning portion of the present invention;

fig. 4 is a perspective view of the preferred embodiment of the retaining washer of the present invention.

Wherein, 1, a horn body; 2. a frame; 21. a semi-arc shaped groove; 22. a backstop pad; 221. an anti-slip surface; 222. calibrating the opening; 223. a V-shaped ring groove; 224. a flexible division bar; 225. an anti-rotation ring; 226. a lock position hole; 23. a limiting ring; 3. a paper basin; 4. a lock position part; 41. braking the baffle plate; 42. a short limiting rod; 43. a first polished rod; 44. a first threaded rod.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Referring to fig. 1 to 2, fig. 1 is a perspective view of a preferred embodiment of a piezoelectric speaker for an earphone according to the present invention; fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention. As shown in fig. 1 to 2, the utility model provides a piezoelectric speaker for earphone, include: loudspeaker body 1, loudspeaker body 1 include frame 2 and paper basin 3, and frame 2 fixes in the border position department of paper basin 3, is provided with a plurality of mounting holes on the frame 2, is provided with the position locking portion 4 in the mounting hole, and the outside of frame 2 is stretched to the part of position locking portion 4, and the main effect of position locking portion 4 is in the same place the connection of frame 2 and paper basin 3 fastening for keep the stability after paper basin 3 fixes.

Referring to fig. 2 in conjunction with fig. 4, fig. 4 is a perspective view of a preferred embodiment of the retaining gasket of the present invention. As shown in fig. 2 and 4, a semi-arc groove 21 is formed at the edge of the frame 2 on one side of the locking portion 4, a retaining gasket 22 is arranged in the semi-arc groove 21, further, the retaining gasket 22 is rotatably sleeved on a short limit rod 42, after the retaining gasket 22 is rotated, the retaining gasket 22 can be clamped on the outer wall of a first polished rod 43, the retaining gasket 22 is mainly used for preventing the first threaded rod 44 connected with an external nut from loosening, meanwhile, the retaining gasket 22 can also increase the firm degree of the fit between the braking baffle 41 and the frame 2, and the top surface of the retaining gasket 22 abuts against the bottom surface of the frame 2. The inner side of the semi-arc groove 21 is provided with a limiting ring 23, the outer side wall of the limiting ring 23 is fixed on the inner wall of the semi-arc groove 21, and it should be further explained that the limiting ring 23 is sleeved on the limiting short rod 42 while one side of the limiting ring 23 and the inner wall of the semi-arc groove 21 are fixed with each other.

Please continue to refer to fig. 2 in conjunction with fig. 4. As shown in fig. 2 and 4, a locking hole 226 is formed at the top of the retaining washer 22, and the bottom end of the short limiting rod 42 extends into the locking hole 226, and the main purpose of this design is to allow the first polished rod 43 to be inserted into the mounting hole of the frame 2, and then the bottom end of the short limiting rod 42 extends into the locking hole 226, so that the short limiting rod 42 and the first polished rod 43 connected to the upper braking block sheet 41 are respectively inserted into the locking hole 226 and the mounting hole, thereby further avoiding the problem of looseness caused by position deviation between the first threaded rod 44 and the externally connected nut. The anti-rotation ring 225 is installed on the top surface of the retaining gasket 22 above the locking hole 226, an anti-slip groove is formed in the inner wall of the anti-rotation ring 225, the anti-rotation ring 225 is used for connecting the short limiting rod 42 and the retaining gasket 22 with each other, further, the anti-rotation ring 225 can prevent the retaining gasket 22 from rotating on the short limiting rod 42 in a natural state, and the orientation of the calibration opening 222 of the retaining gasket 22 can be adjusted by rotating the retaining gasket 22 by applying torque force. One side of the retaining washer 22 is provided with a calibration opening 222, and when the retaining washer 22 is rotated to make the calibration opening 222 face the first polished rod 43, the inner wall of the retaining washer 22 will abut against the outer wall of the first polished rod 43.

Please continue to refer to fig. 4. As shown in fig. 4, the inner wall of the retaining gasket 22 is provided with a plurality of V-shaped grooves 223, and a flexible spacer 224 is formed between two adjacent V-shaped grooves 223, the main purpose of the design is to make the retaining gasket 22 have a variable space in thickness, and in the process that the retaining gasket 22 is extruded, the two flexible spacers 224 are extruded towards one V-shaped groove 223, so as to avoid the phenomena of fracture and breakage when the retaining gasket 22 is pressed too much. The top surface of the retaining pad 22 is an anti-slip surface 221, and the anti-slip surface 221 abuts against the bottom surface of the frame 2.

Referring to fig. 2 in conjunction with fig. 3, fig. 3 is a perspective view of a preferred embodiment of the positioning portion of the present invention. As shown in fig. 2 and 3, the locking portion 4 includes a stopper 41 disposed in the mounting hole of the frame 2, a first polished rod 43 is fixed to a bottom of the stopper 41, and the other end of the first polished rod 43 extends below the frame 2. The first threaded rod 44 is fixed at the bottom of the first polished rod 43, and it should be further noted that the radius of the stop plate 41 is larger than the radius of the first polished rod 43 and the first threaded rod 44, and the radius of the first polished rod 43 and the first threaded rod 44 is matched with the radius of the mounting hole on the frame 2. The surface of the braking catch 41 is provided with a limit short rod 42, and one end of the limit short rod 42 extends into the limit ring 23 and extends to the lower part of the frame 2.

The utility model discloses a concrete work flow is: after splicing the frame 2 and the paper basin 3, aligning the first polished rod 43 with the mounting hole, aligning the short limiting rod 42 with the limiting ring 23, after inserting, inserting the retaining gasket 22 into the bottom end of the short limiting rod 42 through the anti-rotation ring 225, then rotating the retaining gasket 22 to enable the calibration opening 222 to face the short limiting rod 42, at the moment, the inner wall of the retaining gasket 22 can be abutted against the outer wall of the first polished rod 43, further, rotating the outer nut sleeve on the first threaded rod 44 to enable the nut top surface of the outer nut sleeve to extrude the retaining gasket 22, the top surface of the retaining gasket 22 extrudes the top surface of the frame 2, and at the moment, the two flexible partition strips 224 can be extruded towards the direction of the V-shaped circular groove 223.

To sum up, the beneficial effects of the utility model are that: through first polished rod 43, first threaded rod 44 and stopping gasket 22, avoid appearing phenomenons such as fracture and breakage when stopping gasket 22 pressurized is too big, effectually avoided not hard up effect between frame 2 and the basin 3, in addition through setting up spacing quarter butt 42 and spacing ring 23, effectively avoided squinting between first threaded rod 44 and the nut when dropping, strengthened the stability after frame 2 and basin 3 are connected.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A piezoelectric speaker for an earphone, comprising: loudspeaker body (1), loudspeaker body (1) includes frame (2) and paper basin (3), frame (2) are fixed the border position department of paper basin (3), be provided with a plurality of mounting holes on frame (2), be provided with in the mounting hole and position locking portion (4), the part of position locking portion (4) stretches to the outside of frame (2), position locking portion (4) one side frame (2) border position department has seted up semi-arc groove (21), be provided with stopping gasket (22) in semi-arc groove (21), the top surface of stopping gasket (22) with the bottom surface of frame (2) offsets.

2. A piezoelectric speaker for a headphone as defined in claim 1, wherein: the inner side of the semi-arc-shaped groove (21) is provided with a limiting ring (23), and the outer side wall of the limiting ring (23) is fixed on the inner wall of the semi-arc-shaped groove (21).

3. A piezoelectric speaker for a headphone as defined in claim 2, wherein: the locking part (4) comprises a braking blocking piece (41) arranged in an installation hole in the frame (2), a first polished rod (43) is fixed at the bottom of the braking blocking piece (41), and the other end of the first polished rod (43) extends to the lower part of the frame (2).

4. A piezoelectric speaker for a headphone as defined in claim 3, wherein: a first threaded rod (44) is fixed at the bottom of the first smooth surface rod (43).

5. The piezoelectric speaker for a headphone as claimed in claim 4, wherein: the surface of the braking blocking sheet (41) is provided with a limiting short rod (42), and one end of the limiting short rod (42) extends into the limiting ring (23) and extends to the lower part of the frame (2).

6. The piezoelectric speaker for a headphone as claimed in claim 5, wherein: the top of the retaining gasket (22) is provided with a locking hole (226), and the bottom end of the short limiting rod (42) extends into the locking hole (226).

7. The piezoelectric speaker for a headphone as claimed in claim 6, wherein: the top surface of the retaining gasket (22) above the locking hole (226) is provided with an anti-rotation ring (225), and the inner wall of the anti-rotation ring (225) is provided with an anti-slip groove.

8. A piezoelectric speaker for a headphone as defined in claim 7, wherein: a calibration opening (222) is formed in one side of the retaining gasket (22), the retaining gasket (22) is rotated, and when the calibration opening (222) faces the first polished rod (43), the inner wall of the retaining gasket (22) can abut against the outer wall of the first polished rod (43).

9. A piezoelectric speaker for a headphone as defined in claim 8, wherein: a plurality of V-shaped ring grooves (223) are formed in the inner wall of the retaining gasket (22), and a flexible partition strip (224) is formed between every two adjacent V-shaped ring grooves (223).

10. A piezoelectric speaker for a headphone as defined in claim 9, wherein: the top surface of the retaining gasket (22) is an anti-skid surface (221), and the anti-skid surface (221) is abutted to the bottom surface of the frame (2).