CN213938316U - External magnetic electric loudspeaker - Google Patents
External magnetic electric loudspeaker Download PDFInfo
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- CN213938316U CN213938316U CN202022415346.1U CN202022415346U CN213938316U CN 213938316 U CN213938316 U CN 213938316U CN 202022415346 U CN202022415346 U CN 202022415346U CN 213938316 U CN213938316 U CN 213938316U
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- frame
- fixedly connected
- kelly
- cone
- external magnetic
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- 230000005520 electrodynamics Effects 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 14
- 239000000284 extract Substances 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 240000006432 Carica papaya Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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Abstract
The utility model discloses an outer magnetic field formula electrodynamic loudspeaker, including driving magnet, driving magnet's bottom fixedly connected with basin frame, driving magnet is last interference fit has the leading truck, be provided with a plurality of voice coil loudspeaker voice coils on the leading truck, the bottom joint of leading truck has the kelly, the equal joint in both ends has spherical bullet piece about the kelly, the bottom fixedly connected with mounting panel of kelly. The utility model discloses a set up stopper, installation piece and kelly, when the cone appears damaged, extract the stopper, then the pulling compresses tightly the frame downwards, makes and compresses tightly the bottom separation of frame from the cone, then extracts the kelly from the draw-in groove to can dismantle the cone from the basin frame fast, be convenient for maintain the cone, improve the convenience of using greatly.
Description
Technical Field
The utility model relates to an electrodynamic loudspeaker technical field especially relates to an external magnet formula electrodynamic loudspeaker.
Background
A speaker is an electro-acoustic conversion element that converts an electrical sound signal into sound. In the history of the hundred years of development of the loudspeaker, the electrodynamic loudspeaker is always in the leading position of the industry due to the advantages of the performance of the loudspeaker, and the history of the decades of development of the loudspeaker is the history of continuous improvement of the design, process and materials of the loudspeaker and the history of the performance of the loudspeaker with the time.
However, in the existing external magnetic type electrodynamic loudspeaker, the cone is installed in an adhesion mode, and the cone is exposed in the air, so that the cone is easy to damage when in use, and is not changed and detached independently during maintenance, and the maintenance is very inconvenient.
To this end, we propose an external magnetic electrodynamic loudspeaker to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the prior art in that the cone is exposed in the air, when using, very easily causes the cone damaged, unchangeable during the maintenance and dismantle the cone alone get off, the very inconvenient problem of maintenance, and the outer magnetic formula electrodynamic loudspeaker who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an external magnetic type electrodynamic loudspeaker, includes driving magnet, driving magnet's bottom fixedly connected with basin frame, driving magnet goes up interference fit has the leading truck, be provided with a plurality of voice coils on the leading truck, the bottom joint of leading truck has the kelly, the equal joint in both ends has spherical bullet piece about the kelly, the bottom fixedly connected with mounting panel of kelly, the bottom fixedly connected with cone of mounting panel, the mounting hole has been seted up on the basin frame, sliding connection has the installation piece in the mounting hole, and is a plurality of the same frame that compresses tightly of bottom fixedly connected with of installation piece.
Optionally, the leading truck is cylindrical structure, and is a plurality of the voice coil loudspeaker voice coil is even symmetric distribution on the leading truck, the draw-in groove has been seted up to the bottom of leading truck, the kelly joint is in the draw-in groove.
Optionally, a plurality of arc walls have all been seted up on the lateral wall about the kelly, a plurality of recesses have all been seted up on the lateral wall about the draw-in groove, spherical bullet piece joint is in the arc wall, the one end fixedly connected with second spring of kelly is kept away from to spherical bullet piece, the other end fixed connection of second spring is on the tank bottom inner wall of recess.
Optionally, the pressing frame is of a circular ring structure, the peripheral end faces of the pressing frame are convex, and the basin frame and the pressing frame are in contact connection with the paper basin.
Optionally, it is a plurality of the mounting hole is circumference evenly distributed on the basin frame, a plurality of first springs of fixedly connected with are all around to the bottom of basin frame, the other end fixedly connected with of first spring supports tight piece, support and open the through-hole in the tight piece, the installation piece runs through, the through-hole and with support tight piece sliding connection.
Optionally, a plurality of tight grooves of supporting have been seted up all around to the top of compressing tightly the frame, support tight piece and support tight groove joint, a plurality of spacing holes have been seted up on the installation piece, the joint has the stopper on the spacing hole.
Compared with the prior art, the utility model discloses possess following advantage:
1. the utility model discloses a set up mounting panel, kelly and compress tightly the frame, during the installation, with kelly joint to the draw-in groove to with the top of papaw spacing fixed, will compress tightly the bottom that the frame pressed the basin frame, the second spring shrink, the stopper carries out spacing fixed to compressing tightly the frame, thereby compresses tightly fixedly around the bottom to the basin frame, thereby makes the basin frame firmly installed, uses safelyr.
2. The utility model discloses a set up stopper, installation piece and kelly, when the cone appears damaged, extract the stopper, then stimulate downwards and compress tightly the frame, make the bottom separation that compresses tightly frame and cone, then extract the kelly from the draw-in groove to can dismantle the cone from the basin frame fast, be convenient for maintain the cone, improve the convenience of using greatly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
fig. 3 is an enlarged schematic view of a part B in fig. 1.
In the figure: 1 driving magnet, 2 leading truck, 3 voice coil loudspeaker voice coil, 4 mounting panels, 5 cone, 6 basin framves, 7 hold down on, 8 installation pieces, 9 stopper, 10 spacing holes, 11 mounting holes, 12 first spring, 13 support tight piece, 14 support tight groove, 15 through-holes, 16 recesses, 17 kellies, 18 spherical bullet piece, 19 second springs, 20 draw-in grooves, 21 arc wall.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, an external magnetic type electric loudspeaker comprises a driving magnet 1, a basin frame 6 is fixedly connected to the bottom end of the driving magnet 1, a guide frame 2 is arranged on the driving magnet 1 in an interference fit mode, the guide frame 2 is of a cylindrical structure, a plurality of voice coils 3 are arranged on the guide frame 2, the voice coils 3 are uniformly and symmetrically distributed on the guide frame 2, a clamping rod 17 is clamped to the bottom end of the guide frame 2, a clamping groove 20 is formed in the bottom end of the guide frame 2, the clamping rod 17 is clamped in the clamping groove, and spherical spring blocks 18 are clamped to the left end and the right end of the clamping rod 17.
A plurality of arc walls 21 are arranged on the left side wall and the right side wall of the clamping rod 17, the spherical elastic block 18 is clamped in the arc walls 21, and a plurality of grooves 16 are arranged on the left side wall and the right side wall of the clamping groove 20.
The one end fixedly connected with second spring 19 of kelly 17 is kept away from to spherical bullet piece 18, the other end fixed connection of second spring 19 is on the tank bottom inner wall of recess 16, the bottom fixedly connected with mounting panel 4 of kelly 17.
The bottom fixedly connected with cone 5 of mounting panel 4, mounting hole 11 has been seted up on basin frame 6, and is a plurality of mounting hole 11 is circumference evenly distributed on basin frame 6, sliding connection has installation piece 8 in the mounting hole 11, a plurality of spacing holes 10 have been seted up on installation piece 8, the joint has stopper 9 on spacing hole 10.
A plurality of the same frame 7 that compresses tightly of bottom fixedly connected with of installation piece 8, it is the ring structure to compress tightly frame 7, the terminal surface all around that compresses tightly frame 7 is protruding form, basin frame 6 all is connected with the contact of cone 5 with compressing tightly frame 7.
The bottom of basin frame 6 is fixedly connected with a plurality of first springs 12 all around, the other end fixedly connected with of first spring 12 supports tight piece 13, it has through-hole 15 to open in tight piece 13 to support, installation piece 8 runs through, through-hole 15 and with support tight piece 13 sliding connection, the top that compresses tightly frame 7 has been seted up a plurality of tight grooves 14 of supporting all around, support tight piece 13 and support tight groove 14 joint.
The working principle is as follows:
during the installation, as fig. 1, with the kelly 17 joint to the draw-in groove 20 in, thereby with mounting panel 4 and 2 fixed connection of leading truck, thereby carry out fixed mounting to the top of cone 5, spherical bullet piece 18 joint is to the arc wall 21 in, make kelly 17 and draw-in groove 20's joint more stable firm, align the bottom of cone 5 with the bottom of basin frame 6 all around, then will compress tightly the bottom that frame 7 pressed to basin frame 6 from bottom to top, support tight piece 13 and stretch into and support tight groove 14 in, the shrink of second spring 19, mounting hole 11 is stretched out on the top of mounting block 8, it fixes on basin frame 6 to compress tightly the bottom of frame 7 with basin frame 6 all around, then insert spacing hole 10 with stopper 9, carry out spacing fixed to compressing tightly frame 7, thereby firmly install cone 5.
When damage appears in the cone 5, at first extract spacing hole 10 with stopper 9, under the elastic action of second spring 19, installation piece 8 breaks away from the mounting hole, pull out down and compress tightly frame 7, support tight piece 13 and break away from and support tight groove 14, compress tightly the bottom separation of frame 7 and cone 5, then extract draw-in groove 20 with kelly 17, thereby make mounting panel 4 and leading truck 2 separation, thereby dismantle the cone 5 fast, and maintain cone 5, the convenience of using has been improved greatly, and the maintenance cost is reduced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an external magnetic type electrodynamic loudspeaker, includes driving magnet (1), its characterized in that, the bottom fixedly connected with basin frame (6) of driving magnet (1), interference fit has leading truck (2) on driving magnet (1), be provided with a plurality of voice coil loudspeaker voice coils (3) on leading truck (2), the bottom joint of leading truck (2) has kelly (17), the equal joint in both ends has spherical bullet piece (18) about kelly (17), the bottom fixedly connected with mounting panel (4) of kelly (17), the bottom fixedly connected with cone (5) of mounting panel (4), mounting hole (11) have been seted up on basin frame (6), sliding connection has mounting block (8) in mounting hole (11), and is a plurality of the same frame (7) that compresses tightly of bottom fixedly connected with of mounting block (8).
2. An external magnetic electrodynamic loudspeaker according to claim 1, characterized in that the guide frame (2) is a cylindrical structure, the plurality of voice coils (3) are evenly and symmetrically distributed on the guide frame (2), a clamping groove (20) is opened at the bottom of the guide frame (2), and the clamping rod (17) is clamped in the clamping groove.
3. An external magnetic electric loudspeaker according to claim 2, characterized in that the left and right side walls of the bayonet lever (17) are each formed with a plurality of arc-shaped grooves (21), the left and right side walls of the bayonet groove (20) are each formed with a plurality of grooves (16), the spherical elastic block (18) is clamped in the arc-shaped grooves (21), one end of the spherical elastic block (18) far away from the bayonet lever (17) is fixedly connected with a second spring (19), and the other end of the second spring (19) is fixedly connected to the inner wall of the bottom of the groove (16).
4. An external magnetic electrodynamic loudspeaker according to claim 1, characterised in that the hold-down frame (7) is of a ring-shaped configuration, the peripheral end faces of the hold-down frame (7) are convex, and the bowl frame (6) and the hold-down frame (7) are both in contact connection with the cone (5).
5. An external magnetic electric loudspeaker according to claim 1, characterized in that a plurality of the mounting holes (11) are circumferentially and uniformly distributed on the frame (6), a plurality of first springs (12) are fixedly connected around the bottom end of the frame (6), the other ends of the first springs (12) are fixedly connected with the abutting block (13), a through hole (15) is formed in the abutting block (13), the mounting block (8) penetrates through the through hole (15) and is slidably connected with the abutting block (13).
6. An external magnetic electric loudspeaker according to claim 5, characterized in that the top of the compression frame (7) is provided with a plurality of abutting grooves (14) around, the abutting block (13) is clamped with the abutting grooves (14), the mounting block (8) is provided with a plurality of limiting holes (10), and the limiting holes (10) are clamped with limiting blocks (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022415346.1U CN213938316U (en) | 2020-10-27 | 2020-10-27 | External magnetic electric loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022415346.1U CN213938316U (en) | 2020-10-27 | 2020-10-27 | External magnetic electric loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213938316U true CN213938316U (en) | 2021-08-10 |
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ID=77225140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022415346.1U Active CN213938316U (en) | 2020-10-27 | 2020-10-27 | External magnetic electric loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213938316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114205718A (en) * | 2021-12-17 | 2022-03-18 | 安徽井利电子有限公司 | Low-thickness direct radiation electrodynamic loudspeaker with replaceable cone and method thereof |
-
2020
- 2020-10-27 CN CN202022415346.1U patent/CN213938316U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114205718A (en) * | 2021-12-17 | 2022-03-18 | 安徽井利电子有限公司 | Low-thickness direct radiation electrodynamic loudspeaker with replaceable cone and method thereof |
| CN114205718B (en) * | 2021-12-17 | 2023-10-13 | 安徽井利电子有限公司 | Low-thickness direct radiation electrodynamic loudspeaker with replaceable cone and method thereof |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20211109 Address after: 402160 No. 88, Fenghuang 1st Road, Yongchuan District, Chongqing Patentee after: CHONGQING HONGLI ELECTRONICS CO.,LTD. Address before: 052565 No. 12, Xingfu Road, zhongqiaotou village, Qiaotou Township, Shenze County, Shijiazhuang City, Hebei Province Patentee before: Jiao Guoxing |