CN208638584U - Loudspeaker mould group - Google Patents
Loudspeaker mould group Download PDFInfo
- Publication number
- CN208638584U CN208638584U CN201821251527.1U CN201821251527U CN208638584U CN 208638584 U CN208638584 U CN 208638584U CN 201821251527 U CN201821251527 U CN 201821251527U CN 208638584 U CN208638584 U CN 208638584U
- Authority
- CN
- China
- Prior art keywords
- frame
- mould group
- sealing element
- front cover
- loudspeaker mould
- 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.)
- Expired - Fee Related
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Abstract
The loudspeaker mould group of the utility model includes frame, covers front cover, the magnetic circuit system being contained in the accommodation space and the vibrational system for connecing and forming accommodation space with frame in the frame, the vibrational system includes vibrating diaphragm and the voice coil for driving the diaphragm oscillations, the frame and the fixed vibrating diaphragm of the front cover sandwiched, the front cover includes the main part and the main part is arranged in close to the sealing element of one side surface of frame that metal stamping is formed, and the sealing element is attached to the edge of the vibrating diaphragm.The front cover of the loudspeaker mould group of the utility model includes the main part sealing element that metal stamping is formed, and so as to expand working depth of the oscillation space of vibrating diaphragm without improving front cover, effectively reduces cost, enhances product performance.
Description
Technical field
The utility model relates to electroacoustic conversion art more particularly to a kind of loudspeaker mould groups.
Background technique
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function and its multiplicity of mobile phone, one of them is just
It is the music function of high-quality, and the loudspeaker in mobile phone is one of the necessary condition for realizing this high-quality music function.
Loudspeaker mould group generally includes the magnetic circuit system of frame, front cover, vibrational system and driving vibrational system vibration, vibration
System includes the voice coil of vibrating diaphragm and driving vibrating diaphragm.The loudspeaker mould group of the prior art generallys use front cover and the fixed vibration of frame sandwiched
Film, in this way, the loudspeaker mould group more demanding for oscillation space generally use increase front cover bore depth come to vibrating diaphragm into
Row is stepped down, however, this structure is high to the requirement on machining accuracy of punching machine in processing, punching machine tonnage demand is big, therefore product
Stability is difficult to control.
Therefore, it is really necessary to provide the new loudspeaker mould group of one kind to solve the above problems.
Utility model content
The utility model in order to solve the above technical problems, and a kind of loudspeaker mould group is provided, have good acoustical behavior,
To solve the problems, such as that prior art processing is inconvenient.
The specific scheme is that providing a kind of loudspeaker mould group comprising frame, lid, which connect to be formed in the frame with frame, to be held
Receive front cover, the magnetic circuit system that is contained in the accommodation space and the vibrational system in space, the vibrational system include vibrating diaphragm and
The voice coil of the diaphragm oscillations, the frame and the fixed vibrating diaphragm of the front cover sandwiched are driven, the front cover includes metal punching
Swaging at main part and the main part is set close to the sealing element of one side surface of frame, the sealing element attaches
At the edge of the vibrating diaphragm.
Preferably, the sealing element is the soft rubber material moulding of closed hoop.
Preferably, the frame includes upper surface and lower surface corresponding with the upper surface, the quadrangle of the frame
Place is provided with from the upper surface to the limiting section far from the lower surface direction protrusion.
Preferably, the sealing element close to the main part side surface be higher than the limiting section or with the limiting section
Upper surface it is concordant.
Preferably, the sealing element include along long axis direction a pair of of long axis while, along a pair of of short axle of short-axis direction while with
And angular rim of long axis while with the short axle is connected, it is provided on the limiting section and determines with what the angular rim was mutually sticked
Position inclined-plane.
Preferably, the four corners of the vibrating diaphragm are respectively arranged with the evacuation bevel edge to match with the positioning inclined-plane.
Preferably, the four corners of the frame are provided with the fixed column protruded to the front cover direction, set on the front cover
It is equipped with the fixed column to matched fixing groove.
Preferably, the fixed column is arranged on the limiting section.
Preferably, the fixing groove is arranged on the main part, and is located at the outside of the sealing element.
The loudspeaker mould group of the utility model includes that frame, lid connect in the frame and before frame forms accommodation space
The magnetic circuit system and vibrational system cover, being contained in the accommodation space, the vibrational system include vibrating diaphragm and the driving vibration
The voice coil of film vibration, the frame and the fixed vibrating diaphragm of the front cover sandwiched, the front cover include the master that metal stamping is formed
Body portion and the main part is set close to the sealing element of one side surface of frame, the sealing element is attached to the vibrating diaphragm
Edge.The front cover of the loudspeaker mould group of the utility model includes the main part sealing element that metal stamping is formed, so as to expand
Working depth of the oscillation space of big vibrating diaphragm without improving front cover, effectively reduces cost, enhances product performance.
Detailed description of the invention
Fig. 1 is the assembly structure diagram of the utility model loudspeaker mould group；
Fig. 2 is the decomposition texture schematic diagram of the utility model loudspeaker mould group；
Fig. 3 is the part assembling structure schematic diagram of the utility model loudspeaker mould group.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As shown in Figure 1 to Figure 3, the utility model provides a kind of loudspeaker mould group 100, including vibrational system, magnetic circuit system
The front cover 4 that system 2, the frame 3 for accommodating fixed vibrational system 1 and magnetic circuit system 2 and lid are located in frame 3.
Vibrational system 1 includes vibrating diaphragm 11 and the voice coil 12 for driving the vibration of vibrating diaphragm 11.Voice coil 12 is entwined by voice coil leads
's.Vibrating diaphragm 11 is including top dome portion 112, around the ring portion 111 in top dome portion 112 and from ring portion 111 far from top dome portion 112 1
The fixed part 113 that side extends.
Magnetic circuit system 2 includes the magnet steel 21 for forming magnetic gap, is sticked in the pole piece 22 on 21 surface of magnet steel and for fixing
The magnetic bowl 23 of magnet steel.Magnetic bowl 23 includes bottom plate 231 and the side plate 232 that the bending of bottom plate 231 extends.Side plate 232 and magnet steel 21 it
Between form magnetic gap.Voice coil 12 is inserted into magnetic gap from top to bottom.The stress in magnetic gap during the energization drives vibrating diaphragm 12
It vibrates along the vertical direction.Certainly, the structure of magnetic circuit system is not limited to this, in selectable other embodiments, magnetic circuit system
System or more magnetic steel structures as long as being capable of providing Magnetic driving power are that can be implemented.
Frame 3 is the frame structure with interior accommodating space, including upper surface 31, the lower surface opposite with upper surface 31
(not shown).The fixed part 113 of vibrating diaphragm 11 is attached on upper surface 31.
The lid of front cover 4 connects in the upper surface of frame 3 31, and fixes vibrating diaphragm 11 with 3 sandwiched of frame.Front cover 4 includes metal stamping
The main part 41 of formation and main part is set close to the sealing element 42 of 3 one side surface of frame, sealing element 42 is attached to vibrating diaphragm
The edge of 11 fixed part.The sealing element 42 is the soft rubber material moulding of closed hoop, and in actual installation, front cover 4 passes through
Sealing element 42 squeezes vibrating diaphragm 11 and frame 3, so that having buffering between front cover 4 and frame 3, and can make effectively to avoid vibrating diaphragm
Vibration expands oscillation space, and the moulding of soft rubber material can preferably improve the sealing performance of loudspeaker, improve waterproof
Grade.
The four corners of frame 3 are provided with from the upper surface 31 to the limiting section 32 of separate lower surface direction protrusion, and four
The fixed space of vibrating diaphragm 11 and sealing element 42 is formed between a limiting section 32.Vibrating diaphragm 11 is arranged in the fixed space and is sticked
On upper surface 31, sealing element 42 is higher than limiting section 32 or sealing element 42 close to main part 41 1 close to the surface of 41 side of main part
The surface of side is concordant with the upper surface of limiting section 32.Preferably, sealing element 42 is higher than the upper surface of limiting section 32, in this way, can be with
The oscillation space of vibrating diaphragm is further increased, in addition it is also possible to play buffer function between main part 41 and frame 3, is avoided
The impact of external force and the unfailing performance for influencing product.
Sealing element 42 include along long axis direction a pair of of long axis while 421, along a pair of of short axle of short-axis direction while 422 and even
Expanded shaft while 421 with short axle while 422 angular rim 423.
It is corresponding, the positioning inclined-plane 321 being sticked with 423 phase of angular rim is provided on limiting section 32.42 four corners of sealing element
Angular rim 423 be connected on corresponding positioning inclined-plane 321 respectively, the four corners of the fixed part 113 of vibrating diaphragm 11 are also respectively set
There is the evacuation bevel edge 1131 to match with positioning inclined-plane 321.In this manner it is achieved that the fixation of sealing element 42 and vibrating diaphragm 11.
Further, the four corners of frame 3 are provided with the fixed column 322 of front cover direction protrusion, be provided on front cover 4 with
Fixed column 322 is to matched fixing groove 411.Specifically in the present embodiment, fixed column 322 is arranged on limiting section 32, fixed
Slot 411 is arranged on the main part 41 of front cover 4, and is arranged around sealing element 42.Pass through matching for fixed column 322 and fixing groove 411
It closes, the positioning of front cover 4 can be facilitated, effectively realize and assemble.
Further, conductive terminal 5 is provided in frame 3,5 one end of conductive terminal extends in frame 3, and one end is connected to
External circuit, to realize loudspeaker mould group and extraneous electric connection.
The loudspeaker mould group of the utility model includes that frame, lid connect in the frame and before frame forms accommodation space
The magnetic circuit system and vibrational system cover, being contained in the accommodation space, the vibrational system include vibrating diaphragm and the driving vibration
The voice coil of film vibration, the frame and the fixed vibrating diaphragm of the front cover sandwiched, the front cover include the master that metal stamping is formed
Body portion and the main part is set close to the sealing element of one side surface of frame, the sealing element is attached to the vibrating diaphragm
Edge.The front cover of the loudspeaker mould group of the utility model includes the main part sealing element that metal stamping is formed, so as to expand
Working depth of the oscillation space of big vibrating diaphragm without improving front cover, effectively reduces cost, enhances product performance.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is,
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (9)
1. a kind of loudspeaker mould group comprising frame, lid connect front cover, the receiving for forming accommodation space with frame in the frame
In magnetic circuit system and vibrational system in the accommodation space, which is characterized in that the vibrational system includes vibrating diaphragm and driving institute
The voice coil of diaphragm oscillations, the frame and the fixed vibrating diaphragm of the front cover sandwiched are stated, the front cover includes that metal stamping is formed
Main part and the main part is set close to the sealing element of one side surface of frame, the sealing element is attached to described
The edge of vibrating diaphragm.
2. loudspeaker mould group according to claim 1, which is characterized in that the sealing element is the soft rubber material of closed hoop
Moulding.
3. loudspeaker mould group according to claim 1, which is characterized in that the frame include upper surface and with the upper table
The corresponding lower surface in face, the four corners of the frame are provided with from the upper surface to far from the lower surface direction protrusion
Limiting section.
4. loudspeaker mould group according to claim 3, which is characterized in that the sealing element is close to the main part side
Surface is higher than the limiting section or concordant with the upper surface of the limiting section.
5. loudspeaker mould group according to claim 3, which is characterized in that the sealing element includes a pair along long axis direction
Long axis while, along a pair of of short axle of short-axis direction while and angular rim of connection long axis while with the short axle, the limit
The positioning inclined-plane being mutually sticked with the angular rim is provided in portion.
6. loudspeaker mould group according to claim 5, which is characterized in that the four corners of the vibrating diaphragm are respectively arranged with and institute
State the evacuation bevel edge that positioning inclined-plane matches.
7. loudspeaker mould group according to claim 3, which is characterized in that the four corners of the frame are provided with before described
The fixed column of lid direction protrusion is provided on the front cover with the fixed column to matched fixing groove.
8. loudspeaker mould group according to claim 7, which is characterized in that the fixed column is arranged on the limiting section.
9. loudspeaker mould group according to claim 7, which is characterized in that the fixing groove is arranged on the main part,
And it is located at the outside of the sealing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821251527.1U CN208638584U (en) | 2018-08-03 | 2018-08-03 | Loudspeaker mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821251527.1U CN208638584U (en) | 2018-08-03 | 2018-08-03 | Loudspeaker mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208638584U true CN208638584U (en) | 2019-03-22 |
Family
ID=65740423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821251527.1U Expired - Fee Related CN208638584U (en) | 2018-08-03 | 2018-08-03 | Loudspeaker mould group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208638584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000687A1 (en) * | 2020-06-29 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| WO2022041461A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
-
2018
- 2018-08-03 CN CN201821251527.1U patent/CN208638584U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000687A1 (en) * | 2020-06-29 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| WO2022041461A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 |