CN104918192B - No-welding formula loudspeaker - Google Patents
No-welding formula loudspeaker Download PDFInfo
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- CN104918192B CN104918192B CN201510404204.6A CN201510404204A CN104918192B CN 104918192 B CN104918192 B CN 104918192B CN 201510404204 A CN201510404204 A CN 201510404204A CN 104918192 B CN104918192 B CN 104918192B
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Abstract
The invention discloses a kind of no-welding formula loudspeakers, including loudspeaker ontology, shell and at least two pins, loudspeaker ontology to be fixed in the cavity of shell, and at least provided with two mounting bases on the outer circumference surface of the shell, each mounting base is equipped with through-hole；One end of the pin is free end, the other end of pin is equipped with interconnecting piece, one end of the interconnecting piece is limited in the mounting base after through-hole in interconnecting piece insertion mounting base, the other end of interconnecting piece is positioned in mounting base, and the free end of pin crosses the axial end face of shell in the axial direction of shell；It further include conducting wire, one end of conducting wire is electrically connected with loudspeaker ontology, and the other end of conducting wire is extend into the through-hole of mounting base, after interconnecting piece is inserted into through-hole, the part of conducting wire being located in through-hole is pressed between interconnecting piece and mounting base, and conducting wire is electrically connected with interconnecting piece formation.Mounting structure of the invention has the advantages that high reliablity.
Description
Technical field
The present invention relates to auto loud hailer technical fields, and in particular to no-welding formula loudspeaker.
Background technique
Vehicle loudspeaker is used for automobile emergency calling device, is electrically connected with the circuit board of automobile, if automobile occurs
Situations such as traffic accident, emergency call apparatus will automatically initiate urgent call, and inform its position and license plate number.Such is raised at present
Sound device by PIN needle directly with the welding circuit board on fascia, as shown in Figure 10, the general configuration of the loudspeaker are as follows:
Including PIN needle 3 after shell 1, loudspeaker ontology (not shown), pcb board 2, shell 1 is equipped with cavity, loudspeaker ontology
It is fixed as one in the cavity of shell 1 and with shell, pcb board 2 is mounted on the accent of housing hollow, pcb board 2 and loudspeaker
Ontology is electrically connected, and two PIN needles 3 are weldingly fixed on pcb board 3, and automobile in the process of moving, should due to that can generate vibration
Effect of vibration power is transmitted in PIN needle, and PIN needle is caused to loosen, and this loudspeaker due to using pcb board instead of cover board,
Pcb board is fixed by glue and shell bonding, and same pcb board 2 also will receive vibration, and pcb board 2 is easy to cause to loosen or take off
It falls, to influence the work and performance of loudspeaker.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of no-welding formula loudspeakers of high reliablity after connection.
The technical solution for solving above-mentioned technical problem is as follows:
No-welding formula loudspeaker, including loudspeaker ontology, shell and at least two pins, loudspeaker ontology are fixed on outer
In the cavity of shell, at least provided with two mounting bases on the outer circumference surface of the shell, each mounting base is equipped with through-hole；
One end of the pin is free end, and the other end of pin is equipped with interconnecting piece, which is inserted into mounting base
One end of the interconnecting piece is limited in the mounting base after through-hole, and the other end of interconnecting piece is positioned in mounting base, pin from
By holding the axial direction in shell to cross the axial end face of shell；
It further include conducting wire, one end of conducting wire is electrically connected with loudspeaker ontology, and the other end of conducting wire extend into the logical of mounting base
Kong Zhong, after interconnecting piece is inserted into through-hole, the part of conducting wire being located in through-hole is pressed between interconnecting piece and mounting base, is led
Line is electrically connected with interconnecting piece formation.
Preferably, the interconnecting piece includes link block, and the one end of the link block connecting with pin is equipped with convex block, link block
The other end is equipped with tooth, and after interconnecting piece is inserted into the through-hole in mounting base, which is tipped upside down on the wall surface of the hole of through-hole.
Preferably, link block be equipped with in mounting base through hole wall face formed against protrusion.
Preferably, the interconnecting piece includes link block, and the one end of the link block connecting with pin is equipped with convex block, link block
The other end is at least provided with a pair of of support foot, and each pair of support foot is arranged in splayed, after each support foot reaches the through-hole outside of mounting base
With mounting base formed against.
Preferably, link block be equipped with in mounting base through hole wall face formed against protrusion.
Preferably, the through-hole in each mounting base is stepped hole, and interconnecting piece is limited at the step of the through-hole.
Preferably, the pin is in flat.
Preferably, the free end of pin is equipped with shoulder.
Preferably, one end brake forming of pin being connect with interconnecting piece.
Preferably, described further includes a cover board, which is fixed on the accent of the cavity of shell.
Using above scheme, the part of conducting wire being located in through-hole is pressed between interconnecting piece and mounting base, thus
The formation of conducting wire and interconnecting piece be electrically connected, thus this mode avoid conducting wire and interconnecting piece or pin by the way of welding into
Row is fixed, and makes contact of the conducting wire with interconnecting piece reliable by the way of compressing, and pine will not occur being vibrated
It moves or falls off.In addition, since one end of the interconnecting piece after the through-hole in interconnecting piece insertion mounting base is limited in the mounting base,
The other end of interconnecting piece is positioned in mounting base, and such structure causes the both ends nothing by the limitation of mounting base of interconnecting piece
Method is displaced so that the pin to link into an integrated entity with interconnecting piece can not also be moved, so as to avoid pin loosening or
Person falls off, and not only free reliability is improved, and also improves the reliability that loudspeaker is connect with automobile circuit plate.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of loudspeaker of the invention；
Fig. 2 is that sound device of the invention hides the schematic perspective view after cover board；
Fig. 3 is the first embodiment schematic diagram of the invention；
Fig. 4 is the schematic diagram of the shell in Fig. 3；
Fig. 5 is the schematic diagram of the pin and interconnecting piece in Fig. 3；
Fig. 6 is that Fig. 3 carries out the schematic diagram after local cutting after assembling to mounting base；
Fig. 7 is the schematic diagram of second of embodiment of the invention；
Fig. 8 is the schematic diagram of the pin and interconnecting piece in Fig. 6；
Fig. 9 is the schematic diagram of another pin and interconnecting piece；
Figure 10 is the schematic perspective view of existing sound device；
Fig. 1 is into Fig. 9, and 1 is frame, and 2 be voice coil, and 3 be vibrating diaphragm, and 4 be circuit board, and 5 be T shape iron, and 6 be Air Filter, and 7 be sea
Continuous block, 8 be conducting wire, and 9 be cover board, and 10 be shell, and 10a is notch, and 11 be pin, and 11a is shoulder, and 11b is the first curved portion,
11c is the second curved portion, and 12 be mounting base, and 12a is through-hole, and 12b is step, and 13 be interconnecting piece, and 13a is link block, and 13b is convex
Block, 13c are tooth, and 13d is protrusion.
20 be shell, and 21 be pin, and 22 be mounting base, and 23 be interconnecting piece, and 23a is link block, and 23b is convex block, and 23c is support
Foot.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
Embodiment one:
As shown in Figures 1 to 5, the no-welding formula loudspeaker of the first of the invention, including loudspeaker ontology, shell 10 and
At least two pins 11, loudspeaker ontology are fixed in the cavity of shell, below this its specific structure be described in detail:
As depicted in figs. 1 and 2, loudspeaker ontology includes frame 1, voice coil 2, vibrating diaphragm 3, circuit board 4, T shape iron 5, and frame 1 is in
One end of circular ring shape, voice coil 2 is located in the centre bore of frame 1, and the other end of voice coil 2 is fixedly connected with vibrating diaphragm 3, and vibrating diaphragm 3 is fixed
On the axial end face towards 10 bottom of chamber of shell of frame 1, since the bottom of chamber of shell 10 is equipped with through-hole, dust etc. is miscellaneous in order to prevent
Matter enters inside loudspeakers by the through-hole, and the Air Filter 6 for covering the vibrating diaphragm 3 is provided on vibrating diaphragm 3.In frame
1 another axial end face is equipped with annular groove, and circuit board 4 is mounted in the annular groove, and circuit board 4 is in the shape of kidney-shaped,
In order to be adapted with the annular groove.T shape iron 5 is fixed in frame, and one end of T shape iron 5 is extend into the centre bore of frame 1
And surrounded by voice coil 2, the other end of T shape iron 5 is equipped with sponge block 7.Circuit board 4 is connect by conducting wire 8 with the pin 11.
After the integral installation of loudspeaker ontology is in shell 10, by the accent of the cavity of 9 cover board shell 10 of cover board, loudspeaker is completed
The encapsulation of ontology.
As shown in Figure 3 and Figure 4, shell 10 is adopted made of plastic, and shell 10 is cylindrical, shell 10 it is closed at one end another
End has opening, so that being formed has the cavity for accommodating loudspeaker, is equipped with through-hole, on closed one end so that sound is transmitted to
It is external.Pass through integrated through injection molding at least provided with two mounting bases 12, mounting base 12 and shell 10 on the outer circumference surface of the shell 10
Molding, it is preferable that the quantity of mounting base 12 is 3, and the section of mounting base 12 is generally rectangular shaped.Each mounting base 12 is equipped with through-hole
The arranged direction of 12a, through-hole 12a are axial parallel with mounting base 12, it is preferable that and the through-hole in each mounting base 12 is stepped hole,
Step therein is located on the left side wall surface and right side wall surface in hole and (sees along diagram direction).
As shown in Figures 3 to 5,3 pins, after 3 pins are connect with automobile circuit plate, three companies are used in the present invention
Line between contact constitutes a triangle, has the characteristics that stability is good.Pin 11 is in flat, flat pin tool
There is bigger contact area, so that the reliability after connecting with circuit board is improved.Pin 11 is using conductive energy
Metal material is made, it is preferred to use copper.One end of pin 11 is free end, and the end face of free end is the shape of arc, is drawn
The free end of foot 11 is equipped with shoulder 11a, and the part between the end face of shoulder 11a to 11 free end of pin is pin 11 and automobile
The part of circuit board grafting, therefore, when carrying out grafting with automobile circuit plate, the presence of shoulder 11a is inserted into vapour to pin 11
The depth of vehicle wiring board is limited, and this limit is advantageous in that, since there are also one section for the other end of shoulder 11a to pin
Distance, and there is also spacing between shoulder 11a and the axial end face of shell 10, therefore, which overcomes loudspeaker and vapour
Between vehicle circuit board the problem of narrow space, meanwhile, which can provide suitable installation space to install other components
Either allow bit space.
The other end of pin 11 is equipped with interconnecting piece 13, one end brake forming of pin 11 connecting with interconnecting piece 13, bending
Position be made of the first curved portion 11b and the second curved portion 11c, the first segmental arc 11b and the second segmental arc 11c are this curved
Song is molding to be advantageous in that: pin 11 is either attached with automobile battery plate plate, or passes through interconnecting piece 13 and mounting base 12
When being attached, it will receive different degrees of diameter masterpiece and exert oneself, which causes pin 11 that certain elastic deformation occurs,
Since curved position exists, so that the stress when elastic deformation occurs is dispersed, pin 11 and interconnecting piece 13 are avoided
Junction fracture.
As shown in Figures 3 to 5, interconnecting piece 13 is also to be made of metal material, and interconnecting piece 13 and pin 11 are one
Body formed, interconnecting piece 13 is equally also in flat.The interconnecting piece 13 after through-hole 12a in the insertion mounting base 12 of interconnecting piece 13
One end is limited in the mounting base 12, when causing axially downwardly to impose pulling force effect to interconnecting piece 13 along shell 10, due to even
Socket part 13 is limited, therefore, it is impossible to make axially downwardly displacement (upper and lower direction Fig. 3 shown in) of the interconnecting piece 13 along shell 10,
The other end of interconnecting piece 13 is positioned in mounting base 12, causes to impose pulling force effect to interconnecting piece 13 axially upwards along shell 10
When, since interconnecting piece 13 is limited, therefore, it is impossible to make axially upwards displacement (upper and lower direction of the interconnecting piece 13 along shell 10
Shown in Fig. 3), so that interconnecting piece 13 is positioned and can not be displaced.After interconnecting piece 13 is connect with mounting base 12, pin
11 free end crosses the axial end face of shell in the axial direction of shell 10, in order to which pin 11 is automobile circuit plate grafting
When not will receive the interference of shell 10.
As shown in Figure 5 and Figure 6, the interconnecting piece 13 in present embodiment is used as highly preferred mode, preferably uses
Structure are as follows: the interconnecting piece 13 includes link block 13a, and the one end of link block 13a connecting with pin 11 is equipped with convex block 13b,
Interconnecting piece 13 is limited at the step of the through-hole, and interconnecting piece 13 is limited at the step of the through-hole by convex block 13b.Obviously
Ground, interconnecting piece 13 are limited in the step surface of the through-hole 12a by convex block 13b, when along shell 10 axially downwardly to interconnecting piece 13
When imposing pulling force effect, since convex block 13b is stopped by step, interconnecting piece 13 is whole to be limited, therefore, it is impossible to make interconnecting piece 13
Along the axially downwardly displacement of shell 10.The link block 13a other end is equipped with tooth 13c, and interconnecting piece 13a is inserted into the through-hole in mounting base 12
After 12a, tooth 13c is tipped upside down on the wall surface of the hole of through-hole, when imposing pulling force effect to interconnecting piece 13 axially upwards along shell 10,
Since interconnecting piece tooth 13c forms with step 12b chimeric, interconnecting piece 13 is whole to be limited, therefore, it is impossible to make interconnecting piece 13 along shell
10 displacement axially upwards (upper and lower direction is shown in Fig. 6), so that interconnecting piece 13 is positioned and can not be displaced.Even
Connect block 13a be equipped with the through hole wall face in mounting base 12 formed against raised 13d, raised 13d and link block 13a it is integrated
Molding, raised 13d and tooth 13c be not on the identical surface of link block 13a, the spherical shape in the surface of raised 13d, due to protrusion
The wall surface of the hole of 13d and through-hole 12a is against rear, so that link block 13a will not be loosened along the radial direction of shell 10, therefore uses ball
The shape in face is entered in through-hole 12a convenient for protrusion 13d in a manner of interference.
As shown in Fig. 2, one end of conducting wire 8 is electrically connected with loudspeaker ontology, one end of conducting wire 8 and the electricity in loudspeaker ontology
Road plate 4 is electrically connected, and the other end of conducting wire 8 is extend into the through-hole 12a of mounting base 12, is equipped on shell 10 and is corresponded to mounting base
Notch 10a or hole on 12, the end of conducting wire 8 are entered in through-hole 12a by notch 10a.Interconnecting piece 13 is inserted into through-hole
After in 12a, conducting wire 8 be located at through-hole 12a in part be pressed between interconnecting piece 13 and mounting base 12, thus conducting wire 8 with
Interconnecting piece 13 forms electrical connection.Since interconnecting piece 13 and pin 11 are integrally formed, this mode avoids conducting wire 8 and connects
Socket part or pin are fixed by the way of welding.
Embodiment two:
It as shown in Figure 7 and Figure 8, is second of no-welding formula loudspeaker of the invention, including shell 20 and at least two
Pin 21, the excircle of shell 20 are equipped with mounting base 22 (in present embodiment, in addition to interconnecting piece 23 and embodiment one
Outside difference, remaining structure is identical as embodiment one, and details are not described herein).The interconnecting piece 23 includes link block 23a, the company
The one end connecting with pin for meeting block 23a is equipped with convex block 23b, and the effect of convex block 23b is identical as in embodiment one.Link block
The 23a other end is made of at least provided with a pair of of support foot 23c, a pair of of support foot two support foots, and each couple of support foot 23c is arranged in splayed,
Each support foot 23 reach behind the through-hole outside of mounting base 22 formed with mounting base 22 against.It is apparent that one end of link block 23a
It is combined by convex block 23b with mounting base 22, to achieve the purpose that limit convex block 23b, the other end of link block 23a is logical
Cross in the support foot 23c and mounting base 22 of splayed arrangement formed against reaching the mesh positioned to the link block 23a other end
, so that the both ends of link block 23a are limited by mounting base 22, cause interconnecting piece 23 can not be along being parallel to shell 20
Axially direction carries out the displacement of up or down, is solidified indirectly to the position of pin 21 by interconnecting piece 23.
In addition, link block be equipped with in mounting base through hole wall face formed against protrusion (protrusion in figure not
Show), the raised role is identical as the effect of raised 13d in embodiment one, repeats no more.
Interconnecting piece of the invention is not limited to above embodiment, as a kind of deformation of embodiment one, can connect
Flexible inserted block is set in the side wall surface of block and replaces tooth 13c, and providing holes or slot on step 12b, when assembly, flexible will first be inserted
Block compression, after flexible inserted block enters the space between two in through-hole ladder 12b, since ladder 12b is persistently to flexible
Inserted block generates pressure, and therefore, flexible inserted block will not be ejected, and at the hole or slot being displaced on ladder 12b, the inserted block that stretches is obtained
Free up Memory, the inserted block that stretches under elastic acting force are ejected into hole or slot, thus to the end lock of link block 13a, limit
Make its upper and lower displacement.
Another interconnecting piece of deformation as embodiment two, as shown in figure 9, straight support foot can be used, when each
After a support foot reaches the through-hole outside of mounting base, support foot curvature is inverted, crozier is formed, withholds in mounting base, is limited
The interconnecting piece is displaced upwards along being parallel to enclosure axis, and limits interconnecting piece along being parallel to mode that enclosure axis is displaced downwards still
It can so be reached in such a way that mounting base itself is to convex block limit currently, interconnecting piece both ends in this way are equal using setting convex block
In the case where being restricted, to can not move.
For above-mentioned several embodiments, there can also be other modes of texturing, but the foregoing is merely of the invention
Preferred embodiment is not intended to limit the scope of the invention, all using made by description of the invention and accompanying drawing content
Equivalent structure or equivalent flow shift is applied directly or indirectly in other relevant technical fields, and is similarly included in this hair
In bright scope of patent protection.
Claims (6)
1. no-welding formula loudspeaker, including loudspeaker ontology, shell and at least two pins, loudspeaker ontology are fixed on shell
Cavity in, it is characterised in that: at least provided with two mounting bases on the outer circumference surface of the shell, each mounting base is equipped with logical
Hole；
One end of the pin is free end, and the other end of pin has and the integrally formed interconnecting piece of the pin, each mounting base
On through-hole be stepped hole, the interconnecting piece be inserted into mounting base on through-hole after, interconnecting piece is limited at the step of the through-hole, institute
Stating interconnecting piece includes link block, and the one end of the link block connecting with pin is equipped with convex block, and the link block other end is equipped with tooth, connection
After portion is inserted into the through-hole in mounting base, which is tipped upside down on the wall surface of the hole of through-hole；Axial direction of the free end of pin in shell
The axial end face for crossing shell further includes conducting wire, and one end of conducting wire is electrically connected with loudspeaker ontology, and the other end of conducting wire is extend into
In the through-hole of mounting base, after interconnecting piece is inserted into through-hole, the part of conducting wire being located in through-hole is pressed in interconnecting piece and peace
It fills between seat, conducting wire is electrically connected with interconnecting piece formation.
2. no-welding formula loudspeaker according to claim 1, it is characterised in that: link block is equipped with and leading in mounting base
Hole wall surface of the hole formed against protrusion.
3. no-welding formula loudspeaker according to claim 1, it is characterised in that: the pin is in flat.
4. no-welding formula loudspeaker according to claim 1, it is characterised in that: the free end of pin is equipped with shoulder.
5. no-welding formula loudspeaker according to claim 1, it is characterised in that: the one end of pin connecting with interconnecting piece is curved
Song molding.
6. no-welding formula loudspeaker according to claim 1, it is characterised in that: described further includes a cover board, the cover board
It is fixed on the accent of the cavity of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404204.6A CN104918192B (en) | 2015-07-10 | 2015-07-10 | No-welding formula loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404204.6A CN104918192B (en) | 2015-07-10 | 2015-07-10 | No-welding formula loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104918192A CN104918192A (en) | 2015-09-16 |
| CN104918192B true CN104918192B (en) | 2019-01-08 |
Family
ID=54086817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510404204.6A Active CN104918192B (en) | 2015-07-10 | 2015-07-10 | No-welding formula loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104918192B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS596697A (en) * | 1982-07-05 | 1984-01-13 | Nissan Motor Co Ltd | Sound device for vehicle |
| CN201229659Y (en) * | 2008-07-30 | 2009-04-29 | 汉得利（常州）电子有限公司 | Installation seat for terminal alarm |
| CN202310300U (en) * | 2011-08-30 | 2012-07-04 | 汉得利（常州）电子有限公司 | Novel automobile signal device |
| CN203839545U (en) * | 2014-04-25 | 2014-09-17 | 东莞市竞跃电子有限公司 | Electric connector applied to loudspeaker |
| CN204102558U (en) * | 2014-07-24 | 2015-01-14 | 汉得利（常州）电子股份有限公司 | A kind of buckle-type exempts to weld vehicle-mounted hummer housing |
-
2015
- 2015-07-10 CN CN201510404204.6A patent/CN104918192B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS596697A (en) * | 1982-07-05 | 1984-01-13 | Nissan Motor Co Ltd | Sound device for vehicle |
| CN201229659Y (en) * | 2008-07-30 | 2009-04-29 | 汉得利（常州）电子有限公司 | Installation seat for terminal alarm |
| CN202310300U (en) * | 2011-08-30 | 2012-07-04 | 汉得利（常州）电子有限公司 | Novel automobile signal device |
| CN203839545U (en) * | 2014-04-25 | 2014-09-17 | 东莞市竞跃电子有限公司 | Electric connector applied to loudspeaker |
| CN204102558U (en) * | 2014-07-24 | 2015-01-14 | 汉得利（常州）电子股份有限公司 | A kind of buckle-type exempts to weld vehicle-mounted hummer housing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104918192A (en) | 2015-09-16 |
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