CN209659617U - A kind of loudspeaker mould group - Google Patents
A kind of loudspeaker mould group Download PDFInfo
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- CN209659617U CN209659617U CN201920980162.4U CN201920980162U CN209659617U CN 209659617 U CN209659617 U CN 209659617U CN 201920980162 U CN201920980162 U CN 201920980162U CN 209659617 U CN209659617 U CN 209659617U
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- side plate
- signal wire
- frame
- lower casing
- mould group
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Abstract
The utility model discloses a kind of loudspeaker mould groups, including the upper casing, middle shell and lower casing being ultrasonically welded together, it is provided with frame in middle shell, signal wire is provided between frame and lower casing, signal wire one end is connect with the pad in middle shell, and the other end extends outside the first side wall of middle shell；Frame structure is provided in lower casing；Frame structure includes side plate one, side plate two, the side plate three being connected between side plate one and side plate two；Side plate one, two is vertical with the one side wall of lower casing to be connect, and side plate one, two, three is connect with the bottom surface of lower casing, and the top of side plate one, two includes planar portions and curved portion compatible with frame extrados；The top of side plate three is equipped with the notch passed through for signal wire；Between notch and signal wire, between curved portion and frame, bonding agent is filled between the first side wall of planar portions and middle shell, the side of frame.The utility model both ensure that the leakproofness in signal wire exit, in turn ensure the aesthetics of product.
Description
Technical field
The utility model belongs to electroacoustic switch technology field, more particularly, to a kind of loudspeaker mould group.
Background technique
The assembly of Microspeaker module casing generally uses ultrasonic bonding, to guarantee speaker product to air-tightness
It is required that；If the acoustical behavior for thering is leakage problem to will have a direct impact on loudspeaker after assembly, not so as to cause speaker product test
It is qualified and scrap.
Microspeaker mould group is electroacoustic component, and inside loudspeakers voice coil needs to access telecommunications from outside at work
Number, it is connected to internal voice coil and external power supply is signal wire, signal wire is usually cable line (cable) or FPCB (flexibility print
Brush wiring board), loudspeaker housing must reserve outlet and guarantee that signal wire passes through, this will lead to the problem of one, that is, not can guarantee
The air-tightness of outlet port；Current common practices is to seal in exit gluing, but glue-spread is very difficult to control, if applied
Glue amount is excessive, will affect the aesthetics of product, has leakage problem if glue-spread is very few.
Utility model content
It is intended to overcome above-mentioned the deficiencies in the prior art, the technical issues of the utility model solves is to propose one
Kind loudspeaker mould group, both ensure that the leakproofness in signal wire exit, and had in turn ensured the aesthetics of product.
The utility model solves above-mentioned technical problem the technical scheme adopted is that providing a kind of loudspeaker mould group, including
Upper casing, middle shell and the lower casing being ultrasonically welded together, are provided with frame in the middle shell, the frame and the lower casing it
Between be provided with signal wire, and described signal wire one end is connect with the pad in the middle shell, and the other end extends the middle shell
Outside the first side wall；Frame structure is provided in the lower casing；The frame structure includes side plate one, and side plate two is connected to described
Side plate three between side plate one and the side plate two；The side plate one and the side plate two are vertical with the one side wall of the lower casing
Connection, and the side plate one, the side plate two and the side plate three are connect with the bottom surface of the lower casing, the side plate one and institute
The top for stating side plate two includes planar portions and curved portion compatible with the frame extrados；
The top of the side plate three is equipped with the notch passed through for the signal wire；It is filled out between the notch and the signal wire
Filled with the bonding agent for the two to be bonded and seal, filled with for the two is be bonded between the curved portion and the frame
And the bonding agent sealed, and be filled between the side of the first side wall of the planar portions and the middle shell, the frame
Bonding agent for three to be bonded and seal.
As a further improvement, the top of the side wall for the lower casing connecting with the side plate one, the side plate two is equipped with
The notch one passed through for the signal wire；The bottom end of the first side wall is provided with the notch two passed through for the signal wire；Institute
It is corresponding with two position of notch to state notch one.
As a further improvement, the notch two includes spaced two sections of notches, formed between two sections of notches
Locating piece, the signal wire are equipped with locating slot compatible with the locating piece.
As a further improvement, the top of the lower casing is open end, the inside of the open end forms first step knot
Structure, the first step structure include First terrace and the first side wall face with the First terrace in set angle, institute
Stating First terrace is the first ultrasonic face；The planar portions are coplanar with the First terrace.
As a further improvement, the middle shell top and bottom end are open end；Wherein the end face of bottom end is equipped with and the first surpasses
Sound ray, first ultrasound lines are used to carry out ultrasonic welding with the described first ultrasonic face；
The inside on top forms second step structure, and the second step structure includes second step face and with described second
Step surface is in second side wall surface of set angle, and the second step face is the second ultrasonic face.
As a further improvement, one end of the upper casing is open end, the end face of the open end is equipped with the second ultrasound lines,
Second ultrasound lines are used to carry out ultrasonic welding with the described second ultrasonic face.
As a further improvement, first ultrasound lines are equipped with the notch two.
As a further improvement, the inner surface of the first side wall, the middle shell being oppositely arranged with the first side wall
The inner surface of second sidewall be equipped at intervals with several positioning convex platforms；The positioning convex platform is for determining the frame
Position.
As a further improvement, the signal wire is FPCB.
As a further improvement, the lower casing and the frame structure are the integral piece of injection molding.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
The utility model loudspeaker mould group, is wherein provided with frame structure in lower casing；Frame structure includes side plate one, side plate
Two, side plate three；The side of side plate one and side plate two is vertical with the one side wall of lower casing to be connect, and side plate one, side plate two and side plate
Three bottom end is connect with the bottom surface of lower casing, and the top of side plate one and side plate two includes planar portions and mutually fits with frame extrados
The curved portion matched；The top of side plate three is equipped with the notch passed through for signal wire；Filled with for by two between notch and signal wire
The bonding agent that person is bonded and seals is filled between curved portion and frame for bonding agent that is the two is Nian Jie and sealing, and flat
The facial bonding agent being filled between the first side wall of middle shell, the side of frame for three to be bonded and seal.Position at three
The sealing set can thoroughly be separated the air-flow in the exit of signal wire and enclosure interior air-flow, ensure that signal wire exit
Leakproofness, avoid the influence because of leakage problem to loudspeaker mould group acoustical behavior；And due to the sealing to signal wire be
Enclosure interior is completed, thus the loading of bonding agent will not the appearance of but loudspeaker mould group have an impact.
To sum up, a kind of loudspeaker mould group of the utility model, both ensure that the leakproofness in signal wire exit, in turn ensure production
The aesthetics of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model loudspeaker mould group；
Fig. 2 is the decomposition texture schematic diagram of Fig. 1；
Fig. 3 is the structural schematic diagram of lower casing in Fig. 2；
Fig. 4 is the partial enlarged view of Fig. 3；
Fig. 5 is the mounting structure schematic diagram of middle shell in Fig. 2, frame and signal wire；
Fig. 6 is the structural schematic diagram of signal wire in Fig. 2；
Fig. 7 is the structural schematic diagram of middle shell in Fig. 2；
Fig. 8 is the relative position schematic diagram of signal wire and lower casing in Fig. 2；
Fig. 9 is the cross-sectional view of Fig. 1；
In figure: 1- upper casing, shell in 2-, 21- pad, 22- the first side wall, 23 first ultrasound lines, 231- notch two, 232- is fixed
Position block, 24- positioning convex platform, 25- second sidewall, 3- lower casing, 30- frame structure, 31- side plate one, 32- side plate two, 33- side plate
Three, 331- notch, 34- planar portions, 35- curved portion, 36- notch one, 37- First terrace, 4- frame, 5- signal wire, 51- are fixed
Position slot, the first plate of 52- portion, 53- branch, 54- bending part, the second plate of 55- portion.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
Utility model embodiment is described in detail.
As Fig. 1 to Fig. 9 jointly shown in, loudspeaker mould group include the upper casing 1 being ultrasonically welded together, middle shell 2 and under
Shell 3 is provided with frame 4 in middle shell 3；Setting relationship between other component such as voice coil, magnet and washer structure and frame 4 with
The prior art is the same, and this will not be repeated here.Signal wire 5, and 5 one end of signal wire and middle shell 2 are provided between frame 4 and lower casing 3
Interior pad 21 (shown in Fig. 7) connection, the other end extend outside the first side wall 22 of middle shell 2；Framework knot is provided in lower casing 3
Structure 30；Lower casing 3 and frame structure 30 are the integral piece of injection molding.Frame structure 30 includes side plate 1, side plate 2 32, connection
Side plate 3 33 between side plate 1 and side plate 2 32；One side wall of the side of side plate 1 and side plate 2 32 with lower casing 3
Vertical connection, and the bottom end of side plate 1, side plate 2 32 and side plate 3 33 is connect with the bottom surface of lower casing 3, side plate 1 and side
The top of plate 2 32 includes planar portions 34 and curved portion 35 compatible with 4 extrados of frame；The top of side plate 3 33 is equipped with
The notch 331 passed through for signal wire 5；Filled with for bonding that is the two is Nian Jie and sealing between notch 331 and signal wire 5
Agent is filled with for bonding agent that is the two is Nian Jie and sealing, and planar portions 34 and middle shell 2 between curved portion 35 and frame 4
The first side wall 22, frame 4 side between filled with bonding agent for three to be bonded and seal.
Wherein, signal wire FPCB；The T-shaped structure of signal wire 5, one end of signal wire 5 are the first plate portion 52, the first plate portion
52 both ends are respectively provided with a branch 53, and Liang Ge branch 53 connect with two pads 1 of middle shell 2 respectively；Wherein voice coil (does not show in figure
It is also connect out) with pad 1.The other end of signal wire 5 is bending part 54 and the second plate portion 55, bending part 54 and the first plate portion 52
The extending direction in middle position connection, the extending direction in the second plate portion 55 and the first plate portion 51 vertically forms above-mentioned T-shaped structure, and
First plate portion 52 and the second plate portion 55 have difference in height after 54 transition of bending part.Second plate portion 55 extends to be used for outside middle shell 2
It is connect with external power supply.
In the present embodiment, the top of the side wall for the lower casing 3 connecting with side plate 1, side plate 2 32 is equipped with logical for signal wire 5
The notch 1 crossed；The bottom end of the first side wall 22 of middle shell 2 is provided with the notch 2 231 passed through for signal wire 5；Notch 1 with
2 231 position of notch is corresponding；I.e. middle shell 2 is with lower casing 3 by the way that after ultrasonic welding, notch 1 and notch 2 231 are fastened.
Wherein, notch 2 231 includes spaced two sections of notches, and locating piece 232, letter are formed between two sections of notches
Number line 5 is equipped with locating slot 51 (being set on bending part 54) compatible with locating piece 232；Locating piece 232 is matched with locating slot 51
Close the play that can prevent signal wire 5.
In the present embodiment, the top of lower casing 3 is open end, and the inside of open end forms first step structure, first step
Structure includes First terrace 37 and the first side wall face with First terrace in set angle, and First terrace 37 is the first to surpass
Sound face；Above-mentioned planar portions 34 are coplanar with First terrace 31 (flushing).
Middle 2 top of shell and bottom end are open end；Wherein the end face of bottom end is equipped with the first ultrasound lines 23, the first ultrasound lines 23
For carrying out ultrasonic welding with the first ultrasonic face；The inside on top forms second step structure, and second step structure includes second
Step surface and with second step face be in set angle second side wall surface, second step face is the second ultrasonic face.Wherein notch two
231 are set in the first ultrasound lines 23.The ultrasound lines that namely the first ultrasound lines 23 are not ring seal.The first side wall of middle shell 2
It is fixed that the inner surface of the second sidewall 25 of 22 inner surface, the middle shell 2 being oppositely arranged with the first side wall 22 is equipped at intervals with several
Position boss 24；Positioning convex platform 24 is for positioning frame 4.
One end of upper casing 1 is open end, and the end face of open end is equipped with the second ultrasound lines, and the second ultrasound lines are used for and the second surpass
Sound face carries out ultrasonic welding.
The sealing of position can be by the air-flow in the exit of signal wire 5 and shell (upper casing 1, middle shell 2 and the welding of lower casing 3 at three
Forming shell) internal gas flow thoroughly separated, ensure that the leakproofness in 5 exit of signal wire, avoid because of leakage problem pair
The influence of loudspeaker mould group acoustical behavior；And since the sealing to signal wire 4 is to complete inside housings, so bonding agent is filled out
Charge will not the appearance of but loudspeaker mould group have an impact.
To sum up, a kind of loudspeaker mould group of the utility model, both ensure that the leakproofness in signal wire exit, in turn ensure production
The aesthetics of product.
The above is the preferred embodiment of the utility model, is not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all the spirit and principles of the utility model it
Any modification and improvement made by interior, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of loudspeaker mould group is provided in the middle shell including the upper casing, middle shell and lower casing being ultrasonically welded together
Frame is provided with signal wire between the frame and the lower casing, and the pad in described signal wire one end and the middle shell connects
It connects, the other end extends outside the first side wall of the middle shell；It is characterized in that, being provided with frame structure in the lower casing；It is described
Frame structure includes side plate one, side plate two, the side plate three being connected between the side plate one and the side plate two；The side plate one
With the side plate two is vertical with the one side wall of the lower casing connect, and the side plate one, the side plate two and the side plate three
Connect with the bottom surface of the lower casing, the top of the side plate one and the side plate two include planar portions and with outside the frame
The compatible curved portion of cambered surface；
The top of the side plate three is equipped with the notch passed through for the signal wire；It is filled between the notch and the signal wire
Bonding agent for the two to be bonded and seal, filled with for the two is Nian Jie and close between the curved portion and the frame
The bonding agent of envelope, and be filled with and be used between the side of the first side wall of the planar portions and the middle shell, the frame
The bonding agent that three is bonded and is sealed.
2. loudspeaker mould group as described in claim 1, which is characterized in that the institute being connect with the side plate one, the side plate two
The top for stating the side wall of lower casing is equipped with the notch one passed through for the signal wire；The bottom end of the first side wall is provided with described in confession
The notch two that signal wire passes through；The notch one is corresponding with two position of notch.
3. loudspeaker mould group as claimed in claim 2, which is characterized in that the notch two includes spaced two sections and lacks
Mouthful, locating piece is formed between two sections of notches, the signal wire is equipped with locating slot compatible with the locating piece.
4. loudspeaker mould group as described in claim 1, which is characterized in that the top of the lower casing is open end, the opening
The inside at end forms first step structure, and the first step structure includes First terrace and is in set with the First terrace
Determine the first side wall face of angle, the First terrace is the first ultrasonic face；The planar portions are coplanar with the First terrace.
5. loudspeaker mould group as claimed in claim 4, which is characterized in that the middle shell top and bottom end are open end；Its
The end face of middle bottom end is equipped with the first ultrasound lines, and first ultrasound lines are used to carry out ultrasonic welding with the described first ultrasonic face；
The inside on top forms second step structure, the second step structure include second step face and with the second step
Face is in second side wall surface of set angle, and the second step face is the second ultrasonic face.
6. loudspeaker mould group as claimed in claim 5, which is characterized in that one end of the upper casing is open end, described to open wide
The end face at end is equipped with the second ultrasound lines, and second ultrasound lines are used to carry out ultrasonic welding with the described second ultrasonic face.
7. loudspeaker mould group as claimed in claim 5, which is characterized in that first ultrasound lines are equipped with the notch two.
8. loudspeaker mould group as described in claim 1, which is characterized in that the inner surface of the first side wall and described first
The inner surface of the second sidewall for the middle shell that side wall is oppositely arranged is equipped at intervals with several positioning convex platforms；The positioning convex platform
For being positioned to the frame.
9. loudspeaker mould group as described in claim 1, which is characterized in that the signal wire is FPCB.
10. loudspeaker mould group as described in claim 1, which is characterized in that the lower casing is to be molded into the frame structure
The integral piece of type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920980162.4U CN209659617U (en) | 2019-06-26 | 2019-06-26 | A kind of loudspeaker mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920980162.4U CN209659617U (en) | 2019-06-26 | 2019-06-26 | A kind of loudspeaker mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209659617U true CN209659617U (en) | 2019-11-19 |
Family
ID=68530924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920980162.4U Active CN209659617U (en) | 2019-06-26 | 2019-06-26 | A kind of loudspeaker mould group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209659617U (en) |
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2019
- 2019-06-26 CN CN201920980162.4U patent/CN209659617U/en active Active
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