CN108260058A - A kind of assembly technology of speaker housings and speaker housings - Google Patents
A kind of assembly technology of speaker housings and speaker housings Download PDFInfo
- Publication number
- CN108260058A CN108260058A CN201711436642.6A CN201711436642A CN108260058A CN 108260058 A CN108260058 A CN 108260058A CN 201711436642 A CN201711436642 A CN 201711436642A CN 108260058 A CN108260058 A CN 108260058A
- Authority
- CN
- China
- Prior art keywords
- nut
- mounting hole
- speaker housings
- bulge loop
- housing
- Prior art date
- 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.)
- Granted
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims description 12
- 238000009713 electroplating Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 4
- 239000012943 hotmelt Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/003—Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses the assembly technology of a kind of speaker housings and speaker housings, including：Housing and nut are provided with mounting hole corresponding with the nut on the housing, and the screw nut pressing is in the mounting hole；Wedge-shaped bulge loop is provided in the mounting hole, the wedge shape bulge loop is the lug boss extended that rounds on the inner wall of the mounting hole, the wedge shape bulge loop has the inclined surface for the side come in towards the screw nut pressing and the card access surface towards opposite side, the side wall angle of the inclined surface and the mounting hole is obtuse angle, and clamping structure corresponding with the wedge bulge loop is provided on the nut.Technical scheme of the present invention can improve efficiency of assembling of the nut in speaker housings.
Description
Technical field
The present invention relates to assembling structure and technology field, more particularly, to a kind of speaker housings and loud speaker
The assembly technology of shell.
Background technology
Loud speaker is indispensable in electro-acoustic product as a kind of energy converter for converting electrical signals to voice signal
Component.With the increasingly update of technology, the design of electronic product is increasingly intended to sophistication, compact and intelligent, work
Loudspeaker unit for electronic product important spare part constantly develops to more frivolous direction.
Nut can be all generally provided in speaker housings, for fixed and with other components the company of the entirety of loud speaker
It connects.But speaker housings are more and more thinner under lightening trend, traditional hot-melting nut mode, which is assembled, can cause loud speaker
The cracking of shell.
At present, using it is more be insert injection moulding method technique, it is MIM nuts to be usually embedded.After speaker housings molding,
MIM nuts need second time electroplating, and the corrosion resistance of second time electroplating back nut is unstable, and when second time electroplating also needs to individually increase
Plating is even expected, causes cost increase.In MIM nut insert injection mouldings, the phenomenon that being susceptible to excessive glue, influences conduction property.
Invention content
It is an object of the present invention to provide a kind of new solutions of speaker housings.
According to the first aspect of the invention, a kind of speaker housings are provided, including：Housing and nut, the housing
On be provided with mounting hole corresponding with the nut, the screw nut pressing is in the mounting hole；It is provided in the mounting hole
Wedge-shaped bulge loop, the wedge shape bulge loop are the lug boss extended that rounds on the inner wall of the mounting hole, the wedge shape bulge loop
Inclined surface with the side for entering mounting hole towards the screw nut pressing and the card access surface towards opposite side, the inclined surface with
The side wall angle of the mounting hole is obtuse angle, and clamping structure corresponding with the wedge bulge loop is provided on the nut.
Optionally, the section of the wedge-shaped bulge loop is in a rectangular trapezoid, and the inclined surface is trapezoidal hypotenuse, and the card access surface is
Trapezoidal right-angle side.
Optionally, the clamping structure is stupefied for the convex annular extended that rounds on the outer wall of the nut, by described in
After screw nut pressing to the mounting hole, the convex annular is stupefied positioned at the lower section of the lug boss, and the convex annular is stupefied with the card
Junction abuts against, rectangular close to the surface of the card access surface side and the nut outer wall.
Optionally, it is characterized in that, the surface of the stupefied opposite side of the convex annular and the side end face of the mounting hole.
Optionally, the periphery of the nut and the mounting hole entrance corresponding position is formed with extension.
Optionally, the mounting hole is formed with groove corresponding with the extension, and the extension is embedded in the groove
It is interior.
Optionally, the extension is flushed in the surface of shell of the groove vicinity.
Optionally, there is gap between the side wall of the nut and the mounting hole.
Optionally, the both ends of the nut are respectively arranged with the boss for the surface of shell for protruding from the mounting hole both ends,
The diameter of the boss is less than or equal to diameter of the nut at the both ends of the mounting hole.
According to the second aspect of the invention, a kind of processing method of above-mentioned speaker housings is provided, including：
Nut is prepared by metal injection molding technology, clamping structure is formed on the nut, the nut is carried out
Electroplating surface processing；
Housing is prepared by injection molding process, mounting hole corresponding with the nut is formed on the housing, it is described
Wedge-shaped bulge loop is formed in mounting hole
The nut is pressed to from the press-in end of the mounting hole in the mounting hole.
According to one embodiment disclosed by the invention, the processing technology of speaker housings is simplified, nut can be improved and existed
Efficiency of assembling in speaker housings.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
It is combined in the description and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the schematic diagram for the nut that specific embodiments of the present invention one provide；
Fig. 2 is the partial sectional view for the housing that specific embodiments of the present invention one provide；
Fig. 3 is the partial enlarged view of Fig. 2；
Fig. 4 be specific embodiments of the present invention one provide screw nut pressing to housing partial sectional view；
Fig. 5 is the partial enlarged view of Fig. 4.
Wherein：1st, housing, 2, nut, 3, mounting hole, 4, wedge-shaped bulge loop, 5, convex annular it is stupefied, 6, extension, 7, groove, 8,
Gap, 9, boss
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition have
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention
And its application or any restrictions that use.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need to that it is further discussed.
Embodiment one
The present invention provides a kind of speaker housings, as shown in Figs. 1-5, including housing 1 and nut 2, are set on the housing 1
It is equipped with and is mounted in the mounting hole 3 with the 2 corresponding mounting hole 3 of nut, the pressing of nut 2.Specifically, the installation
Wedge-shaped bulge loop 4 is provided in hole 3, the wedge shape bulge loop 4 is the protrusion extended that rounds on the inner wall of the mounting hole 3
Portion, the wedge shape bulge loop 4, which has towards the nut 2, presses the inclined surface of side come in and the card access surface of opposite side, described
The side wall angle of inclined surface and the mounting hole 3 is obtuse angle, is provided on the nut 2 and 4 corresponding card of the wedge-shaped bulge loop
Binding structure.Preferably, the nut 2 is made by MIM methods, the nut 2 is installed to institute using automation equipment pressing
It states in mounting hole 3, by the cooperation of the wedge-shaped bulge loop 4 in the clamping structure on the nut 2 and the mounting hole 3, by described in
Nut 2 is firmly snapped fit onto on the housing 1.Optionally, those skilled in the art can also use other methods to make production
The nut 2, the transformation of these production methods belong to protection scope of the present invention.
Speaker housings proposed by the present invention, housing 1 and nut 2 can be formed directly firmly by the clamping in structure
Connection so that the installation speed of speaker housings top nut is further speeded up, and improves production efficiency.Meanwhile relative to existing
Nut is embedded into the method for housing by hot melt and injection moulding, technical scheme of the present invention can to avoid due to loud speaker compared with
The situation that the insertion of nut causes housing to crack when thin occurs；It need not carry out in speaker housings hot melt and speaker housings grinding tool
The placement of nut, reduces technology difficulty；Without the gluing when nut is embedded in, production cost is saved, is also avoided because of gluing
The phenomenon that generating excessive glue and causing nut imperfect earth.Furthermore injection moulding process by nut when being embedded into loudspeaker housing, spiral shell
Mother needs to carry out second time electroplating, and needs to increase company's material that second time electroplating uses, and in the inventive solutions, the spiral shell
Female 2 need not carry out second time electroplating, and plating for the first time can further save production cost by the use of injection channel as material is connected,
Reduce the difficulty of production technology.
Preferably, there are one wedge-shaped bulge loops 4 for setting in the mounting hole 3.Optionally, those skilled in the art are according to tool
Body structure needs, and can set two or more wedge-shaped bulge loops, and the transformation of these wedge-shaped bulge loop quantity belongs to guarantor of the invention
Protect range.
Specifically, as Figure 2-3, the section of the wedge shape bulge loop 4 is in a rectangular trapezoid, and the inclined surface is the right angle
Trapezoidal bevel edge, the card access surface are the right-angle side of the right-angled trapezium.
Further, as described in Figure 1, the clamping structure is the ring extended that rounds on the outer wall of the nut 2
Shape convex stupefied 5.As illustrated in figures 4-5, after the nut 2 being pressed to the mounting hole 3, the convex annular stupefied 5 is located at the protrusion
The lower section in portion, the convex annular stupefied 5 are abutted with the card access surface, and close one side surface of card access surface is outer with the nut 2
Wall is rectangular.The nut 2 is when by pressing by outside force to the mounting hole 1, stupefied 5 elder generation of convex annular and the wedge-shaped bulge loop 4
Inclined surface contact, due to the inclined surface and the mounting hole 3 side wall in obtuse angle, the wedge shape bulge loop 4 and the annular
Slight deformation occurs for convex stupefied 5 stress, and the convex annular stupefied 5 is made to slide into the lower section of the wedge-shaped bulge loop 4, institute along the inclined surface
It states card access surface and the surface of the stupefied close card access surface side of the convex annular is mutually parallel, it is all rectangular with side wall, it is formed good
Good clamping.
Further, as illustrated in figures 4-5, the surface of the opposite side of the convex annular stupefied 5 and the end face of the mounting hole 3 are neat
It is flat.Whether can be flushed with the end face of the mounting hole 3 by the surface for the opposite side for judging the convex annular stupefied 5, sentenced rapidly
Break the nut 2 installation it is whether qualified.
Specifically, as shown in Figure 1, the periphery at the position corresponding with the entrance of the mounting hole 3 of the nut 2 is formed with and prolongs
Extending portion 6.When the screw nut pressing is to the mounting hole 3, the extension 6 and the housing of the inlet location of the mounting hole 3
It abuts, makes to form limiting on the axial direction of the mounting hole 3 during the installation of the nut 2, facilitate the peace of the nut 2
Dress, improves production efficiency.
Further, as Figure 2-3, the 7 corresponding groove 7 of extension is formed in the mounting hole 3, it is described to prolong
Extending portion is in the groove 7.When the nut 2 presses to the mounting hole, the extension 6 is right in the groove 7
The nut 2 forms better limiting, when the nut 2 is installed the mounting hole 3 axially and radially on all form limit
Position, further facilitates the installation of the nut 2, improves production efficiency, increase the nut 2 and press to the installation
Stability behind hole 3.
Further, as illustrated in figures 4-5, the extension 6 is flushed with the surface of shell around the groove 7.By described in
Extension 6 is set as flushing with the surface around the groove 7, after the nut 2 presses to the mounting hole 3, Ke Yitong
It crosses and judges whether the extension 6 with the surface around the groove 7 is to flush, and judging the installation of the nut 2 rapidly is
No qualification.
Specifically, as shown in figure 5, after the nut 2 presses to the mounting hole 3, the nut 2 and the mounting hole 3
Between there is gap 8, the setting in the gap 8 causes housing when can be installed on the housing 1 to avoid the nut 2
Rupture, especially when the housing 1 is extremely thin, can largely avoid the appearance of casing rupture problem.
In addition, as shown in Figure 1, the both ends of the nut 2 are respectively arranged with the housing table for protruding from the mounting hole both ends
The boss 9 in face, the diameter of the boss 9 are less than or equal to diameter of the nut 2 at the both ends of the mounting hole 3.It is described
The setting of boss 9, screw rod is abutted on the housing 1 when can be inserted into the nut 2 to avoid screw rod, and the housing 1 is by spiral shell
The extruding force of bar is easy to cause rupture.
As shown in Figs. 1-5, screw thread is not provided in the nut 2 in the speaker housings that the present embodiment one provides, screw rod leads to
The nut 2 is crossed to connect speaker housings with other component.Those skilled in the art are as needed, can select in the spiral shell
It is threaded in mother 2, the transformation of these nut inner threads belongs to protection scope of the present invention.
Embodiment two
The present invention also provides a kind of processing method of speaker housings described in embodiment one, including：
For the nut 2 by metal injection molded, use is metal injection molded, 2 stable quality of the nut of output, raw
Produce efficient, it can be achieved that automation, high-volume, large-scale production, and Product Precision is higher.After the nut 2 is molded, gold is utilized
Belong to injection molding injection canal the nut 2 is electroplated, while electroplating effect is ensured, injection canal be utilized,
Reduce the use that plating is even expected, save production cost, improve production efficiency.Optionally, the nut 2 can also use
Other methods are molded, and the present invention is without limitation, and every technical solution that can reach similar technology effect belongs to the present invention
Protection domain.
The housing 1 carries out the making of 1 mold of housing by injection molding, is formed in the mould and institute
The corresponding mounting hole 3 of nut is stated, then injection forms the housing 1.The present invention does not limit 1 molding method of prime number housing
System, it is every can reaching similar technology effect, belong to protection scope of the present invention.
Using automation equipment, the nut 2 is pressed to from the press-in end of the mounting hole 3 in the mounting hole, it is complete
Into the installation of 1 top nut 2 of housing.
Assembly technology provided by the invention, relative to the existing side that nut is embedded into housing by hot melt and injection moulding
Method, technical scheme of the present invention can to avoid due to loud speaker is relatively thin when nut insertion cause housing crack situation occur；
The placement of nut in speaker housings hot melt and speaker housings grinding tool need not be carried out, reduces technology difficulty；It need not be in nut
Gluing when embedded, saves production cost, the phenomenon that also avoiding causing nut imperfect earth due to gluing generates excessive glue.Again
Person, when nut is embedded into loudspeaker housing, nut needs to carry out second time electroplating, and need to increase secondary electricity injection moulding process
The company's material used is plated, and in the inventive solutions, the nut 2 need not carry out second time electroplating, further save life
Cost is produced, reduces the difficulty of production technology.Meanwhile the nut 2 is completed to 3 internal pressure of mounting hole using automation equipment
The action of conjunction, not only ensure that the accuracy of pressing action, but also improve production efficiency.
Although some specific embodiments of the present invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to illustrating, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above example.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of speaker housings, which is characterized in that including：Housing and nut are provided with and the nut pair on the housing
The mounting hole answered, the screw nut pressing is in the mounting hole；Wedge-shaped bulge loop, the wedge shape bulge loop are provided in the mounting hole
Round the lug boss extended on inner wall for the mounting hole, it is described wedge shape bulge loop have towards the screw nut pressing into
Enter the inclined surface of the side of mounting hole and the card access surface towards opposite side, the inclined surface and the side wall angle of the mounting hole are
Obtuse angle is provided with clamping structure corresponding with the wedge bulge loop on the nut.
2. speaker housings according to claim 1, which is characterized in that the section of the wedge shape bulge loop is in a rectangular trapezoid,
The inclined surface is trapezoidal hypotenuse, and the card access surface is trapezoidal right-angle side.
3. speaker housings according to claim 2, which is characterized in that the clamping structure is on the outer wall of the nut
The convex annular extended that rounds is stupefied, and after the screw nut pressing to the mounting hole, the convex annular is stupefied positioned at described convex
The lower section in the portion of rising, the convex annular is stupefied to be abutted against with the card access surface, close to the surface of the card access surface side and the nut
Outer wall is rectangular.
4. speaker housings according to claim 3, which is characterized in that the surface of the stupefied opposite side of the convex annular and institute
State the side end face of mounting hole.
5. speaker housings according to claim 1, which is characterized in that the nut is corresponding with the entrance of the mounting hole
The periphery at position is formed with extension.
6. speaker housings according to claim 5, which is characterized in that the inlet of the mounting hole be formed with it is described
The corresponding groove of extension, the extension is in the groove.
7. speaker housings according to claim 6 rise and are characterized in that, the housing of the extension and the groove vicinity
Surface flushes.
8. speaker housings according to claim 1, which is characterized in that between the side wall of the nut and the mounting hole
With gap.
9. speaker housings according to claim 1, which is characterized in that the both ends of the nut, which are respectively arranged with, to be protruded from
The boss of the surface of shell at the mounting hole both ends, the diameter of the boss are less than or equal to the nut in the mounting hole
Diameter at both ends.
10. a kind of processing method of claim 1-9 any one of them speaker housings, which is characterized in that including：
Nut is prepared by metal injection molding technology, clamping structure is formed on the nut, surface is carried out to the nut
Electroplating processes；
Housing is prepared by injection molding process, mounting hole corresponding with the nut, the installation are formed on the housing
Wedge-shaped bulge loop is formed in hole
The nut is pressed to from the press-in end of the mounting hole in the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711436642.6A CN108260058B (en) | 2017-12-26 | 2017-12-26 | Loudspeaker shell and assembly process of loudspeaker shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711436642.6A CN108260058B (en) | 2017-12-26 | 2017-12-26 | Loudspeaker shell and assembly process of loudspeaker shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108260058A true CN108260058A (en) | 2018-07-06 |
| CN108260058B CN108260058B (en) | 2024-04-26 |
Family
ID=62724078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711436642.6A Active CN108260058B (en) | 2017-12-26 | 2017-12-26 | Loudspeaker shell and assembly process of loudspeaker shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108260058B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111757238A (en) * | 2020-08-31 | 2020-10-09 | 歌尔股份有限公司 | Processing method of shell, shell structure and loudspeaker unit |
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| CN204619346U (en) * | 2015-04-27 | 2015-09-09 | 温州市金久紧固件有限公司 | Desktop governor motion |
| CN204765005U (en) * | 2015-07-09 | 2015-11-18 | 佛山市顺德区美的电热电器制造有限公司 | Upper cover subassembly and electric pressure cooker |
| CN204784069U (en) * | 2015-07-19 | 2015-11-18 | 深象紧固系统（深圳）有限公司 | Switching screw |
| CN205078585U (en) * | 2015-09-16 | 2016-03-09 | 富泰华精密电子（郑州）有限公司 | Riveting assembly structure |
| CN105179398A (en) * | 2015-10-09 | 2015-12-23 | 周兆弟 | Elastic clamping type connecting piece |
| CN205082083U (en) * | 2015-11-11 | 2016-03-09 | 大陆汽车电子(长春)有限公司 | Casing and electron device |
| CN205331639U (en) * | 2016-01-07 | 2016-06-22 | 芜湖泰和管业股份有限公司 | Quick erection joint of bellows for gas |
| CN206507803U (en) * | 2016-12-08 | 2017-09-22 | 浙江苏泊尔家电制造有限公司 | Loudspeaker fixing device and cooking apparatus for cooking apparatus |
| CN206413191U (en) * | 2017-02-07 | 2017-08-15 | 深圳市音沃仕科技有限公司 | A kind of single body construction for loudspeaker |
| CN106937214A (en) * | 2017-03-30 | 2017-07-07 | 歌尔丹拿音响有限公司 | Speaker unit |
| CN107219661A (en) * | 2017-07-20 | 2017-09-29 | 青岛海信电器股份有限公司 | A kind of liquid crystal module and liquid crystal display device |
| CN207802358U (en) * | 2017-12-26 | 2018-08-31 | 歌尔股份有限公司 | A kind of speaker housings |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111757238A (en) * | 2020-08-31 | 2020-10-09 | 歌尔股份有限公司 | Processing method of shell, shell structure and loudspeaker unit |
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