CN203722786U - Magnetic-leakage-preventing electromagnetic shielding shell - Google Patents
Magnetic-leakage-preventing electromagnetic shielding shell Download PDFInfo
- Publication number
- CN203722786U CN203722786U CN201320870857.XU CN201320870857U CN203722786U CN 203722786 U CN203722786 U CN 203722786U CN 201320870857 U CN201320870857 U CN 201320870857U CN 203722786 U CN203722786 U CN 203722786U
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- CN
- China
- Prior art keywords
- electromagnetic shielding
- shielding shell
- magnetic
- upper cover
- preventing electromagnetic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000003466 welding Methods 0.000 claims abstract description 28
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims abstract description 4
- 229910000679 solder Inorganic materials 0.000 claims description 20
- 238000005452 bending Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000004026 adhesive bonding Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
A magnetic-leakage-preventing electromagnetic shielding shell is used for an in-ear receiver or a bone conduction receiver. The magnetic-leakage-preventing electromagnetic shielding shell is characterized by comprising a shell and an upper cover. The outer edge of a connection face of the shell and the upper cover is provided with at least twelve welding spots formed by adopting a laser welding method. An insulation glue bonding layer is also arranged on the outer edge extending along the connection face. According to the utility model, a welding method and a welding technique are improved and a problem of magnetic leakage of an electromagnetic shielding shell due to non-sealed connection of the shell and the upper cover caused by the prior electric welding method is relieved.
Description
Technical field
The utility model relates to a kind of receiver unit, is specifically related to a kind of magnetic-leakage preventing electromagnetic shielding shell that adopts Novel welding method to connect.
Background technology
Existing electromagnetic shielding shell, when upper cover is connected with housing, adopts the mode of electric welding to weld conventionally, and the position of welding only has two points conventionally, adopts glue bonding after welding.Although this connected mode is quick, but because the mode of electric welding can only form tie point at the outward flange of the joint face of upper cover and housing, be easy to produce the phenomenon of leakage field, leakage field is for receiver osteoacusis receiver particularly, can affect the motion of the vibration armature of its inside, the stiffness of vibrating armature is reduced, thereby affected result of use.
Therefore, need to improve the connected mode of electromagnetic shielding shell upper cover and housing, the magnetic field of stopping in electromagnetic shielding shell produces leakage field phenomenon.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of magnetic-leakage preventing electromagnetic shielding shell, and the magnetic field that can stop in electromagnetic shielding shell produces leakage field phenomenon.
For achieving the above object, the technical solution of the utility model is as follows: a kind of magnetic-leakage preventing electromagnetic shielding shell, for In-Ear receiver or bone conduction type receiver, described electromagnetic shielding shell comprises housing and upper cover, the joint face of described housing and upper cover is provided with and adopts formed at least ten two solder joints of laser welding mode, the outward flange extending along described joint face to be also provided with insulation glue adhesive linkage.
Preferably, the area of described solder joint is 0.007-0.02 m
2.
Preferably, the described housing after welding and the gap between upper cover are less than or equal to 0.02mm.
Preferably, described at least ten two solder joints are uniformly distributed on described joint face.
Preferably, described housing and upper cover adopt respectively Sheet Metal Forming Technology one-shot forming.
Preferably, the bottom of described upper cover is provided with the bending part being located by connecting for the inward flange with described housing.
Preferably, the lower surface of described bending part and the contact of the inward flange of described housing are connected.
Preferably, described lower surface and vertical direction are 30-60 ° of angle setting, and described lower surface extends in the inner chamber of described housing.
Preferably, the joint face of described housing and upper cover roughness is separately less than or equal to Ra0.1.
Adopt the beneficial effect of above technical scheme to be: the upper cover of electromagnetic shielding shell adopts the mode of laser welding to be connected with housing, and the joint face hot melt of upper cover and housing forms effective tie point, makes the more firm of joint face combination; The formed solder joint of laser welding is no less than 12, solder joint is evenly distributed, make the distribution of material continuous uniform at the joint face place of electromagnetic shielding shell, effectively the line of magnetic induction in electromagnetic shielding shell is constrained in housing, stopped leakage field phenomenon, guaranteed that the armature unit in In-Ear receiver or osteoacusis receiver can reach desired frequency response.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, to the accompanying drawing of required use in embodiment technical description be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of magnetic-leakage preventing electromagnetic shielding shell of the utility model;
Fig. 2 is the structural representation of the embodiment 2 of a kind of magnetic-leakage preventing electromagnetic shielding shell of the utility model;
Fig. 3 is the structural representation of the upper cover in the utility model embodiment 2;
The represented corresponding component title of numeral in figure:
1, housing 2, upper cover 21, bending part 22, lower surface 3, solder joint.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
A kind of magnetic-leakage preventing electromagnetic shielding shell, for In-Ear receiver or bone conduction type receiver, as shown in Figure 1, electromagnetic shielding shell comprises housing and upper cover, the joint face of housing and upper cover is provided with and adopts formed 12 solder joints of laser welding mode, the outward flange extending along joint face to be also provided with insulation glue adhesive linkage.Housing and upper cover adopt respectively Sheet Metal Forming Technology one-shot forming, and the joint face of punching back casing and upper cover roughness separately equals Ra0.1; The shape of upper cover and housing matches.
Area by the formed solder joint of laser welding is 0.007m
2.
Housing after welding and the gap between upper cover equal 0.02mm.
12 solder joints are uniformly distributed in the outward flange of joint face.
An enclosure method for magnetic-leakage preventing electromagnetic shielding shell, for the housing of electromagnetic shielding shell and the connection of upper cover of receiver unit, enclosure method comprises the following steps:
(1), lid and housing are located by connecting;
(2), adopt the mode of laser welding on the joint face of upper cover and housing, to weld 12 points;
(3), joint face is adopted insulating cement water seal connect.
Embodiment 2
All the other are identical with embodiment 1, difference is, as Figure 2-3, the bottom of upper cover is provided with the bending part being located by connecting for the inward flange with housing, the lower surface of this bending part is connected with the contact of the inward flange of housing, lower surface and vertical direction are the setting of 45° angle degree, and lower surface extends in the inner chamber of housing.
Embodiment 3
All the other are identical with embodiment 1, and difference is, the joint face of housing and upper cover is provided with and adopts formed 14 solder joints of laser welding mode, and 14 solder joints are uniformly distributed in the outward flange of joint face.Area by the formed solder joint of laser welding is 0.02 m
2; Housing after welding and the gap between upper cover are 0.01mm.
The lower surface of the bending part of the bottom of upper cover and vertical direction are 30 ° of angle settings, and lower surface extends in the inner chamber of housing and contacts and be connected with the inward flange of housing.
Embodiment 4
All the other are identical with embodiment 1, and difference is, the joint face of housing and upper cover is provided with and adopts formed 16 solder joints of laser welding mode, and 16 solder joints are uniformly distributed in the outward flange of joint face.Area by the formed solder joint of laser welding is 0.01 m
2; Housing after welding and the gap between upper cover are 0.005mm.
The lower surface of the bending part of the bottom of upper cover and vertical direction are 60 ° of angle settings, and lower surface extends in the inner chamber of housing and contacts and be connected with the inward flange of housing.
Adopt the beneficial effect of above technical scheme to be: the upper cover of electromagnetic shielding shell adopts the mode of laser welding to be connected with housing, and the joint face hot melt of upper cover and housing forms effective tie point, makes the more firm of joint face combination; The formed solder joint of laser welding is no less than 12, solder joint is evenly distributed, make the distribution of material continuous uniform at the joint face place of electromagnetic shielding shell, effectively the line of magnetic induction in electromagnetic shielding shell is constrained in housing, stopped leakage field phenomenon, guaranteed that the armature unit in In-Ear receiver or osteoacusis receiver can reach desired frequency response.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a magnetic-leakage preventing electromagnetic shielding shell, for In-Ear receiver or bone conduction type receiver, it is characterized in that, described electromagnetic shielding shell comprises housing and upper cover, the joint face of described housing and upper cover is provided with and adopts formed at least ten two solder joints of laser welding mode, the outward flange extending along described joint face to be also provided with insulation glue adhesive linkage.
2. magnetic-leakage preventing electromagnetic shielding shell according to claim 1, is characterized in that, the area of described solder joint is 0.007-0.02 m
2.
3. magnetic-leakage preventing electromagnetic shielding shell according to claim 1, is characterized in that, the described housing after welding and the gap between upper cover are less than or equal to 0.02mm.
4. magnetic-leakage preventing electromagnetic shielding shell according to claim 1, is characterized in that, described at least ten two solder joints are uniformly distributed on described joint face.
5. magnetic-leakage preventing electromagnetic shielding shell according to claim 1, is characterized in that, described housing and upper cover adopt respectively Sheet Metal Forming Technology one-shot forming.
6. magnetic-leakage preventing electromagnetic shielding shell according to claim 5, is characterized in that, the bottom of described upper cover is provided with the bending part being located by connecting for the inward flange with described housing.
7. magnetic-leakage preventing electromagnetic shielding shell according to claim 6, is characterized in that, the lower surface of described bending part is connected with the contact of the inward flange of described housing.
8. magnetic-leakage preventing electromagnetic shielding shell according to claim 7, is characterized in that, described lower surface and vertical direction are 30-60 ° of angle setting, and described lower surface extends in the inner chamber of described housing.
9. according to the arbitrary described magnetic-leakage preventing electromagnetic shielding shell of claim 1-8, it is characterized in that, the joint face of described housing and upper cover roughness is separately less than or equal to Ra0.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870857.XU CN203722786U (en) | 2013-12-27 | 2013-12-27 | Magnetic-leakage-preventing electromagnetic shielding shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870857.XU CN203722786U (en) | 2013-12-27 | 2013-12-27 | Magnetic-leakage-preventing electromagnetic shielding shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722786U true CN203722786U (en) | 2014-07-16 |
Family
ID=51161905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320870857.XU Expired - Lifetime CN203722786U (en) | 2013-12-27 | 2013-12-27 | Magnetic-leakage-preventing electromagnetic shielding shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731773A (en) * | 2013-12-27 | 2014-04-16 | 苏州恒听电子有限公司 | Flux leakage prevention electromagnetic shielding shell and closing method |
-
2013
- 2013-12-27 CN CN201320870857.XU patent/CN203722786U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731773A (en) * | 2013-12-27 | 2014-04-16 | 苏州恒听电子有限公司 | Flux leakage prevention electromagnetic shielding shell and closing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170104 Address after: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Patentee after: Suzhou Puliansi Electronic Technology Co.,Ltd. Address before: Suzhou City, Jiangsu province 215011 Yuen Suzhou high tech Industrial Development Zone, Road No. 209 Patentee before: SUZHOU HEARONIC ELECTRONICS |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170301 Address after: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Patentee after: SUZHOU YICHUAN ACOUSTIC TECHNOLOGY Co.,Ltd. Address before: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Patentee before: Suzhou Puliansi Electronic Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 368 Youyi Road, Babai friendship Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Yiyi Electronic Technology Co.,Ltd. Address before: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Patentee before: SUZHOU YICHUAN ACOUSTIC TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215299 No. 168, Ludang Road, Jiangling street, Wujiang District, Suzhou City, Jiangsu Province (north of the original Lingyi Road) Patentee after: Suzhou Yiyi Technology Co.,Ltd. Address before: No. 368, Youyi Road, Bache Youyi Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou Yiyi Electronic Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |