CN204119510U - Sound-producing device - Google Patents
Sound-producing device Download PDFInfo
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- CN204119510U CN204119510U CN201420644134.2U CN201420644134U CN204119510U CN 204119510 U CN204119510 U CN 204119510U CN 201420644134 U CN201420644134 U CN 201420644134U CN 204119510 U CN204119510 U CN 204119510U
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- sound
- producing device
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Abstract
The utility model discloses a kind of sound-producing device, comprise the shell with inner chamber, also comprise frame, magnet, washer, protruding hot molten column is provided with in the inner chamber of described shell, described hot molten column and described shell are wholely set, and described frame is the tubular of one end open, and this frame is enclosed within hot molten column by the through hole of its bottom, described magnet, washer are socketed on hot molten column successively by respective centre bore, and the top hot melt of described hot molten column is on the end face of washer.Sound-producing device of the present utility model, frame, magnet, washer are socketed on the hot molten column of shell successively by respective through hole, each parts are positioned by respective centre bore, make problems such as there will not be location inaccurate between each parts, improve the rate of finished products of sound-producing device; And the installation of the sound-producing device of this structure no longer needs to carry out tool locating, improves operating efficiency; Be fixed by hot melt, not only save glue, and there will not be the problems such as magnet comes off.
Description
Technical field
The utility model relates to electroacoustic field, more precisely, relates to a kind of sound-producing device.
Background technology
Along with the expansion in consumer electronics market, the consumer electronics products such as a large amount of mobile phone, notebook computer are used widely, and as acoustic element important in consumer electronics product, sound-producing device has demand widely.Along with the raising that people require consumer electronics product, the performance of sound-producing device also more and more receives the concern of people.
Sound-producing device involving vibrations system and magnetic circuit system in prior art, vibrational system comprises vibrating diaphragm and is fixed on the voice coil loudspeaker voice coil of vibrating diaphragm, and magnetic circuit system is provided with magnetic gap, and voice coil loudspeaker voice coil is arranged in magnetic gap, and voice coil loudspeaker voice coil is electrically coupled by voice coil leads and arrangements of electric connection.When assembling, magnet, washer are installed in the enclosure successively, the frame as drawing magnetic is had in the arranged outside of magnet, but when assembling magnet, washer, frame, through occurring to locate inaccurate problem, due to the deviations between all parts, the yield limiting product improves.
Utility model content
The utility model, in order to solve problems of the prior art, provides the simple sound-producing device of a kind of assembly structure.
In order to realize above-mentioned object, the technical solution of the utility model is: sound-producing device, comprise the shell with inner chamber, also comprise frame, magnet, washer, protruding hot molten column is provided with in the inner chamber of described shell, described hot molten column and described shell are wholely set, described frame is the tubular of one end open, this frame is enclosed within hot molten column by the through hole of its bottom, described magnet, washer are socketed on hot molten column successively by respective centre bore, and the top hot melt of described hot molten column is on the end face of washer.
Preferably, the outer wall of described frame and the inwall of shell fit together.
Preferably, the top of described frame outer wall is stuck in the groove of outer casing inner wall by flange.
Preferably, the cross section of described magnet is circular.
Preferably, the voice coil loudspeaker voice coil also comprising vibrating diaphragm and be connected on vibrating diaphragm, described voice coil loudspeaker voice coil extend in the gap between magnet and frame.
Preferably, the end cap for package casing is also comprised.
Preferably, described frame and shell are injected into one.
Sound-producing device of the present utility model, frame, magnet, washer are socketed on the hot molten column of shell successively by respective through hole, each parts are positioned by respective centre bore, make problems such as there will not be location inaccurate between each parts, improve the rate of finished products of sound-producing device; And the installation of the sound-producing device of this structure no longer needs to carry out tool locating, improves operating efficiency; Be fixed by hot melt, not only save glue, and there will not be the problems such as magnet comes off.
Accompanying drawing explanation
Fig. 1 shows the explosive view of the utility model sound-producing device.
Fig. 2 shows the cutaway view of the utility model sound-producing device.
Fig. 3 shows the part-structure schematic diagram of the utility model sound-producing device.
Embodiment
The technical problem solved to make the utility model, the technical scheme of employing, the technique effect easy to understand obtained, below in conjunction with concrete accompanying drawing, be described further embodiment of the present utility model.
Referring to figs. 1 to Fig. 3, the utility model provides a kind of sound-producing device, comprises circuit board 1, shell 2, frame 3, magnet 4, washer 5, voice coil loudspeaker voice coil 6, vibrating diaphragm 7, end cap 8.This shell has inner chamber, and one end open, the bottom of this inner chamber is provided with protruding hot molten column 20, and this hot molten column 20 can be integrated injection molding with shell 2.
The cylindrical shape of frame 3 in one end open, this frame 3 is made by drawing magnetic material.Its bottom is provided with through hole, and frame 3 is enclosed within hot molten column 20 by this through hole, defines the connection between frame 3 and shell 2.Certainly for a person skilled in the art, also frame 3 and shell 2 can be injected into one.
Described magnet 4, washer 5 are socketed on hot molten column 20 by respective centre bore successively, and magnet 4 is arranged in the inner chamber of frame 3, and the bottom of its bottom and frame 3 contacts.The top hot melt of described hot molten column 20 is on the end face of washer 5.Thus washer 5, magnet 4, frame 3, shell 2 are fixed together.
Sound-producing device of the present utility model, frame 3, magnet 4, washer 5 are socketed on the hot molten column 20 of shell 2 by respective through hole successively, each parts are positioned by respective centre bore, make problems such as there will not be location inaccurate between each parts, improve the rate of finished products of sound-producing device; And the installation of this sound-producing device no longer needs to carry out tool locating, structure is more simple, is fixed by hot melt, not only saves glue, and is fixed by hot melt, there will not be the problems such as magnet comes off.
Sound-producing device of the present utility model, the outer wall of preferred frame 3 and the inwall of shell 2 fit together, and can prevent the radial deflection of frame 3.In order to firm connection between frame 3 and shell 2 further, the top of described frame 3 outer wall is connected in the groove 21 of shell 2 inwall by flange 30.This structure makes frame not only be subject to the restriction of hot molten column 20 in the axial direction, but also is subject to the restriction between flange 30 and groove 21.
Based on the requirement of location, technique, the cross section of the utility model magnet can be circular, certainly, for a person skilled in the art, can also select other suitable shapes.
Sound-producing device of the present utility model, can install vibrating diaphragm and voice coil loudspeaker voice coil by traditional means, and in the utility model, described voice coil loudspeaker voice coil 6 is connected on vibrating diaphragm 7, and the voice coil loudspeaker voice coil 6 be connected on vibrating diaphragm 7 extend in the gap between magnet 4 and frame 3.This vibrating diaphragm 7 is arranged on the port position of shell 2, and encapsulates by end cap 8.Such as at the top setting table terrace of shell 2 inwall, and by end cap 8, the edge of vibrating diaphragm 7 can be squeezed on this step surface, realize being connected and fixed between vibrating diaphragm 7 and shell 2.
The utility model is by preferred embodiment having carried out detailed explanation.But, by studying carefully above, concerning the change of each execution mode with to increase be apparent for one of ordinary skill in the art.Being intended that these changes all and increasing of applicant has all dropped in scope that the utility model claim protects.
Claims (7)
1. sound-producing device, comprise the shell (2) with inner chamber, also comprise frame (3), magnet (4), washer (5), it is characterized in that: in the inner chamber of described shell (2), be provided with protruding hot molten column (20), described hot molten column (20) and described shell (2) are wholely set, described frame (3) tubular in one end open, this frame (3) is enclosed within hot molten column (20) by the through hole of its bottom, described magnet (4), washer (5) is socketed on hot molten column (20) by respective centre bore successively, the top hot melt of described hot molten column (20) is on the end face of washer (5).
2. sound-producing device according to claim 1, is characterized in that: the outer wall of described frame (3) and the inwall of shell (2) fit together.
3. sound-producing device according to claim 2, is characterized in that: the top of described frame (3) outer wall is stuck in the groove (21) of shell (2) inwall by flange (30).
4. sound-producing device according to claim 1, is characterized in that: the cross section of described magnet (4) is for circular.
5. sound-producing device according to claim 1, it is characterized in that: also comprise vibrating diaphragm (7) and be connected to the voice coil loudspeaker voice coil (6) on vibrating diaphragm (7), described voice coil loudspeaker voice coil (6) extend in the gap between magnet (4) and frame (3).
6. sound-producing device according to claim 5, is characterized in that: also comprise the end cap (8) for package casing (2).
7. sound-producing device according to claim 1, is characterized in that: described frame (3) and shell (2) are injected into one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644134.2U CN204119510U (en) | 2014-10-30 | 2014-10-30 | Sound-producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644134.2U CN204119510U (en) | 2014-10-30 | 2014-10-30 | Sound-producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204119510U true CN204119510U (en) | 2015-01-21 |
Family
ID=52336785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420644134.2U Active CN204119510U (en) | 2014-10-30 | 2014-10-30 | Sound-producing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204119510U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110366079A (en) * | 2019-07-30 | 2019-10-22 | 歌尔股份有限公司 | Sounding device |
| CN110933563A (en) * | 2019-11-22 | 2020-03-27 | 歌尔股份有限公司 | Sound generating device module and electronic product |
| CN111106461A (en) * | 2018-10-29 | 2020-05-05 | 上海莫仕连接器有限公司 | Electrical connector |
-
2014
- 2014-10-30 CN CN201420644134.2U patent/CN204119510U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106461A (en) * | 2018-10-29 | 2020-05-05 | 上海莫仕连接器有限公司 | Electrical connector |
| CN111106461B (en) * | 2018-10-29 | 2021-09-10 | 上海莫仕连接器有限公司 | Electrical connector |
| CN110366079A (en) * | 2019-07-30 | 2019-10-22 | 歌尔股份有限公司 | Sounding device |
| CN110933563A (en) * | 2019-11-22 | 2020-03-27 | 歌尔股份有限公司 | Sound generating device module and electronic product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |