CN102280101A - Static iron core and method for assembling same - Google Patents
Static iron core and method for assembling same Download PDFInfo
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- CN102280101A CN102280101A CN 201010201220 CN201010201220A CN102280101A CN 102280101 A CN102280101 A CN 102280101A CN 201010201220 CN201010201220 CN 201010201220 CN 201010201220 A CN201010201220 A CN 201010201220A CN 102280101 A CN102280101 A CN 102280101A
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- iron core
- static iron
- horn
- caulking part
- riveting
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Abstract
The invention discloses a static iron core. The static iron core is used for an electric horn, a stud is arranged in a center position at one end of the static iron core, a riveting part for fixation with a horn base is arranged on the end face of the static iron core and is located at the outer edge of the stud, and a groove is formed between the end face of the riveting part and the stud, so that the riveting part takes a shape of a continuous annular lug boss surrounding the stud. When the static iron core and the horn base are fixed, a riveting process can be adopted to fix the riveting part in the static iron core and the horn base, so that air gap precision between the riveting part and the horn base is greatly increased; a manual regulation procedure is not needed after machining is completed; and in a horn working process, the iron core is firm in fixation, so that an air gap value is always kept in a factory setting state, and the stability and the consistence of the horn are better guaranteed.
Description
Technical field
The present invention relates to the technical field that the electric horn air gap is adjusted, relate to the assembly method of a kind of static iron core and this static iron core thereof, particularly a kind of electric horn assembly method of static iron core and this static iron core thereof.
Background technology
Electric horn (for example electric automobile horn) is used for warning pedestrian and other vehicles, to arouse attention, guarantees traffic safety.The height of electric horn tone is relevant with iron core air gap, iron core air gap hour, the vibration frequency height of diaphragm (being the tone height); And iron core air gap is when big, the vibration frequency of diaphragm low (being that tone is low).
The static iron core of existing product, because the end face diameter of its riveted joint face only is 8mm, the end face height only is 1.2mm, limited by its face size, with the loudspeaker base fixedly the time, can only adopt pressure-riveting process, the end face stress surface is little during riveted joint, evenly stressed influence of the end face that presses in addition, therefore rivet rear end face and loudspeaker back cover and be face and face and contact and fix for complete 360 °, and riveting rear end face, to be out of shape size little, will certainly bring following shortcoming: 1, the air gap precision is lower, margin tolerance is bigger, reaches 0.4mm usually approximately; 2, need the artificial operation of adjusting; 3, loosening easily in the loudspeaker vibration processes, cause air gap to change, produce noise.
Summary of the invention
First purpose of the present invention is to provide a kind of static iron core, and this static iron core is the electric horn static iron core, and it has improved corresponding structure on the original product basis.
Second purpose of the present invention is to provide a kind of assembly method of static iron core, this static iron core is an electric horn static iron core provided by the invention, utilize assembly method provided by the invention, when making static iron core and loudspeaker base fixedly, its precision increases greatly, guaranteed that iron core is fixing reliable, can make the air gap value remain on factory state always, loudspeaker stability and consistance are better guaranteed.
Above-mentioned first purpose of the present invention is to realize like this, a kind of static iron core, this static iron core is the electric horn static iron core, the middle position of this static iron core one end has double-screw bolt, have on the end face of this static iron core and the fixing caulking part of usefulness of loudspeaker base, its key is that this caulking part is positioned at the outer rim of this double-screw bolt, and has additional groove between the end face of this caulking part and this double-screw bolt.
Static iron core of the present invention, wherein, caulking part is around the outer rim of double-screw bolt and is continuous annular boss shape.
Static iron core of the present invention, wherein, this static iron core is the electric automobile horn static iron core.
Above-mentioned second purpose of the present invention is to realize like this, a kind of assembly method of static iron core, used electric horn static iron core provided by the invention, or used electric automobile horn static iron core provided by the invention, its key is that employing is turned over the riveter skill caulking part in the static iron core and loudspeaker base are fixed.
The assembly method of static iron core of the present invention wherein, adopts the caulking part that turns over after riveting is processed to form the outer rim that discrete a plurality of riveting point is distributed in double-screw bolt in the form of a ring.
The assembly method of static iron core of the present invention, wherein, described discrete a plurality of riveting points are equally distributed eight riveting points.
Because the present invention improves its structure on the original product basis, particularly between the end face of caulking part and double-screw bolt, have additional groove, make caulking part form and be continuous annular boss shape around the outer rim of double-screw bolt, not only help turning over the riveter skill, simultaneously after static iron core and loudspeaker base are fixed, caulking part forms the outer rim that discrete a plurality of riveting point is distributed in double-screw bolt in the form of a ring, and its air gap precision is increased greatly, reaches margin tolerance 0.03mm.Do not need manually to adjust operation after machining, in the process of loudspeaker work, iron core is fixing reliable, makes the air gap value remain on factory state always, and loudspeaker stability and consistance are better guaranteed.
Description of drawings
Fig. 1 is the longitudinal profile synoptic diagram of static iron core of the present invention.
Fig. 2 is the synoptic diagram of static iron core of the present invention and loudspeaker base riveted and fixed state.
Fig. 3 is the A-A sectional view of Fig. 2.
Embodiment
Below in conjunction with specific embodiment and shown in accompanying drawing, the present invention is described in further detail.In following embodiment of the present invention, be that the static iron core with electric automobile horn is that example is illustrated, but the present invention is not limited to these embodiment.
With reference to Fig. 1, it is for the longitudinal profile synoptic diagram of static iron core of the present invention.This static iron core is the electric automobile horn static iron core, it comprises iron core body 1 and double-screw bolt 2, double-screw bolt 2 is positioned at an end of iron core body 1, from Fig. 1, can know and find out, double-screw bolt 2 is formed on the middle position of iron core body 1 one end end faces, and the outer rim at double-screw bolt 2 has caulking part 3, and it is fixing by caulking part 3 static iron core and loudspeaker base (not shown) to be realized.
In the present embodiment, the end face diameter of caulking part 3 can reach more than the 12mm, promptly increases more than 50% on the end face diameter basis of existing product, and its end face height can reach more than the 2.4mm, and it is above promptly to double on the end face height basis of existing product.The variation of the above-mentioned two parameter sizes in the present embodiment is favourable turns over after the riveting and makes end face that varying dimensions after enough crimping be arranged.Certainly the present invention is not limited thereto, and manufacturer can rationally change this end face diameter and this end face height in the present invention conceives scope according to actual needs.From Fig. 1, it can also be seen that, between the end face of caulking part 3 and double-screw bolt 2, offer groove 4, this shows that the caulking part 3 in the present embodiment is actually round the formed annular boss of the outer rim of double-screw bolt 3.
With reference to Fig. 2 and Fig. 3, turn over the riveter skill caulking part in the static iron core 3 and 5 realizations of loudspeaker base are fixed when using static iron core provided by the invention with the loudspeaker base fixedly the time, just can adopting.As Fig. 2 and shown in Figure 3, adopt the caulking part 3 that turns over after riveting is processed to form the outer rim that discrete a plurality of riveting point is distributed in double-screw bolt 2 in the form of a ring, it increases with the face size that contacts of loudspeaker base 5, and its precision is increased greatly.
In the present embodiment, adopt the caulking part 3 that turns over after riveting is processed to form the riveting point (or being referred to as crimp region) at equally distributed eight same intervals angles.Different with the face contact riveted joint of prior art, this kind riveted joint mode makes caulking part 3 and loudspeaker base 5 become eight uniform discontinuous riveting points to be connected, each riveting point is about 40 ° zone, be equivalent on the basis of riveted and fixed, carry out again regional reinforcement, riveted joint rear end face change in size is big, connects more reliable.Therefore fixed effect is very excellent, does not need manually to adjust operation after machining, and in the process of loudspeaker work, iron core is fixing reliable, makes the air gap value remain on factory state always, and loudspeaker stability and consistance are better guaranteed.
Claims (7)
1. static iron core, this static iron core is the electric horn static iron core, the middle position of this static iron core one end has double-screw bolt, have on the end face of this static iron core and the fixing caulking part of usefulness of loudspeaker base, it is characterized in that, this caulking part is positioned at the outer rim of this double-screw bolt, and, have additional groove between the end face of this caulking part and this double-screw bolt.
2. static iron core according to claim 1 is characterized in that, caulking part is around the outer rim of double-screw bolt and is continuous annular boss shape.
3. static iron core according to claim 1 and 2 is characterized in that, this static iron core is the electric automobile horn static iron core.
4. the assembly method of a static iron core has been used claim 1 or 2 described electric horn static iron cores, it is characterized in that, employing is turned over the riveter skill caulking part in the static iron core and loudspeaker base are fixed.
5. the assembly method of static iron core according to claim 4 is characterized in that, adopts the caulking part that turns over after riveting is processed to form the outer rim that discrete a plurality of riveting point is distributed in double-screw bolt in the form of a ring.
6. the assembly method of static iron core according to claim 5 is characterized in that, described discrete a plurality of riveting points are equally distributed eight riveting points.
7. according to the assembly method of any described static iron core in the claim 4～6, it is characterized in that this static iron core is the electric automobile horn static iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010201220 CN102280101B (en) | 2010-06-13 | 2010-06-13 | Static iron core and method for assembling same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010201220 CN102280101B (en) | 2010-06-13 | 2010-06-13 | Static iron core and method for assembling same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102280101A true CN102280101A (en) | 2011-12-14 |
| CN102280101B CN102280101B (en) | 2013-02-27 |
Family
ID=45105517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010201220 Expired - Fee Related CN102280101B (en) | 2010-06-13 | 2010-06-13 | Static iron core and method for assembling same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102280101B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714934A (en) * | 2013-12-29 | 2014-04-09 | 哈尔滨固泰电子有限责任公司 | Anti-loosening rotating locking fixed iron core |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2133029Y (en) * | 1992-05-16 | 1993-05-12 | 林文骅 | Contactless electric loudspeaker for automobile |
| CN2229100Y (en) * | 1995-04-05 | 1996-06-12 | 陈颂华 | Contactless electronic horn |
| JPH10224892A (en) * | 1997-02-12 | 1998-08-21 | Star Micronics Co Ltd | Electroacoustic transducer |
| CN201051394Y (en) * | 2007-07-05 | 2008-04-23 | 温州市立伟轻工制造有限公司 | Car electric horn |
| CN201433999Y (en) * | 2009-07-14 | 2010-03-31 | 贵州航天精工制造有限公司 | Rivet turning nut with locking performance |
| CN201440717U (en) * | 2009-05-18 | 2010-04-21 | 宁波向阳坦科斯特电子有限公司 | T-shape iron for loudspeaker |
-
2010
- 2010-06-13 CN CN 201010201220 patent/CN102280101B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2133029Y (en) * | 1992-05-16 | 1993-05-12 | 林文骅 | Contactless electric loudspeaker for automobile |
| CN2229100Y (en) * | 1995-04-05 | 1996-06-12 | 陈颂华 | Contactless electronic horn |
| JPH10224892A (en) * | 1997-02-12 | 1998-08-21 | Star Micronics Co Ltd | Electroacoustic transducer |
| CN201051394Y (en) * | 2007-07-05 | 2008-04-23 | 温州市立伟轻工制造有限公司 | Car electric horn |
| CN201440717U (en) * | 2009-05-18 | 2010-04-21 | 宁波向阳坦科斯特电子有限公司 | T-shape iron for loudspeaker |
| CN201433999Y (en) * | 2009-07-14 | 2010-03-31 | 贵州航天精工制造有限公司 | Rivet turning nut with locking performance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714934A (en) * | 2013-12-29 | 2014-04-09 | 哈尔滨固泰电子有限责任公司 | Anti-loosening rotating locking fixed iron core |
| CN103714934B (en) * | 2013-12-29 | 2016-08-24 | 哈尔滨固泰电子有限责任公司 | Anti-loose rotational lock fixed core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102280101B (en) | 2013-02-27 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| 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: 20130227 Termination date: 20190613 |