CN102003322A - Ignition coil housing - Google Patents
Ignition coil housing Download PDFInfo
- Publication number
- CN102003322A CN102003322A CN2010105318597A CN201010531859A CN102003322A CN 102003322 A CN102003322 A CN 102003322A CN 2010105318597 A CN2010105318597 A CN 2010105318597A CN 201010531859 A CN201010531859 A CN 201010531859A CN 102003322 A CN102003322 A CN 102003322A
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- CN
- China
- Prior art keywords
- spark coil
- coil housing
- pressure
- high voltage
- ignition coil
- 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.)
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Abstract
The invention discloses an ignition coil housing. The ignition coil housing comprises a bottom and side walls, wherein the bottom contains a high voltage tower; a high voltage connection pin is fixed in the high voltage tower through injection molding; one end of the high voltage connection pin, which leads to the outside of the ignition coil housing is fixed with the wall of the high voltage tower through injection molding; and a groove is formed between the high voltage connection pin and the wall of the high voltage tower. In the ignition coil housing of the invention, as the groove is formed between the high voltage connection pin and the wall of the high voltage tower, the high-voltage leakage of the ignition coil housing is difficult to happen after the alternation of the temperature.
Description
Technical field
The present invention relates to automotive electronic technology, particularly a kind of spark coil housing.
Background technique
Common spark coil as shown in Figure 1 and Figure 2, comprise spark coil housing, spark coil winding, the spark coil winding is placed in the spark coil housing, the spark coil housing, comprise bottom, sidewall, the bottom comprises high-pressure tower 11, injection moulding is fixed with high pressure connection pin 12 in the high-pressure tower 11, the high-tension electricity that spark coil secondary windings 13 produces outputs to high pressure by contact disk 14 and connects pin 12, high pressure connects pin 12 high pressure is outputed to the outside engine ignition usefulness that supplies of spark coil, and the spark coil enclosure interior is poured the good epoxy resin of insulating property 15.The insulating property quality of high-voltage output end directly has influence on the stability and the reliability of spark coil work, and then influences the performance of motor.
But common spark coil housing, high pressure connects high-pressure tower 11 inside that pin 12 1 end integral molded plastics are fixed on the spark coil housing bottom, high-pressure tower 11 walls connect between the pin 12 with high pressure fits fully, because the epoxy resin 15 and the spark coil housing plastics of pouring in the spark coil housing are two kinds of different materials, their thermal expansion coefficient difference, behind experience temperature alternating working environment, crackle 16 appears easily between the zone of epoxy resin 15 of pouring in the spark coil housing and spark coil housing bottom high-pressure tower periphery, because the wall of the common higher pressure tower 11 of wall in the zone of spark coil housing bottom high-pressure tower periphery is thin, the high pressure connecting pin nail on 12 high-tension electricity from then on crackle 16 leak and zone that may perforation ignition solenoid housing bottom high-pressure tower periphery, cause the spark coil output voltage to descend, make mixed gas light instability and maybe can not light, cause the motor shake, quicken unable, fault such as catch fire.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of spark coil housing, and behind the experience temperature alternating, the spark coil housing is difficult for taking place high-tension electricity and leaks.
For solving the problems of the technologies described above, the invention provides a kind of spark coil housing, comprise bottom, sidewall, the bottom comprises high-pressure tower, injection moulding is fixed with high pressure connection pin in the high-pressure tower, the end that leads to the spark coil outside that described high pressure connects pin is fixed together with the injection moulding of high-pressure tower wall, and described high pressure connects pin with being formed with groove between the described high-pressure tower wall.
Described groove is an annular.
Spark coil housing of the present invention, high pressure at the spark coil housing connects pin, a groove is set between the high-pressure tower wall, in the spark coil winding is placed in the spark coil housing, and after in the spark coil housing, pouring epoxy resin, epoxy resin can be filled in the described groove, making high pressure connection pin be insulated well behaved epoxy resin in high-pressure tower wraps up, after avoiding experiencing temperature alternating, owing to crackle occurs between the zone of epoxy resin and spark coil housing bottom high-pressure tower periphery, the zone walls of spark coil housing bottom high-pressure tower periphery approaches and causes high-tension electricity to leak, thereby can improve the insulating property of spark coil behind the experience temperature alternating, improve the reliability and the endurance quality of spark coil, made engine operation stable, reliably.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the present invention is described in further detail.
Fig. 1 is common spark coil stereogram;
Fig. 2 is common spark coil longitudinal sectional drawing;
Fig. 3 is the longitudinal sectional drawing before the epoxy resin of pouring in the spark coil housing of the present invention;
Fig. 4 is the longitudinal sectional drawing after the epoxy resin of pouring in the spark coil housing of the present invention.
Embodiment
Spark coil housing one mode of execution of the present invention as shown in Figure 3, the spark coil housing comprises bottom, sidewall, the bottom comprises high-pressure tower 11, injection moulding is fixed with high pressure connection pin 12 in the high-pressure tower 11, be used for settlement fire coil winding in the spark coil housing, the high-tension electricity that spark coil secondary windings 13 produces outputs to high pressure by contact disk 14 and connects pin 12, and high pressure connects pin 12 high pressure is outputed to the spark coil outside for engine ignition usefulness.The end that leads to the spark coil outside that described high pressure connects pin 12 is fixed together with high-pressure tower 11 wall injection mouldings, the other end is higher than the inner cavity surface of spark coil housing bottom, be used for contact fire coil secondary windings 13, described high pressure connects pin 12 with being formed with annular groove 18 between described high-pressure tower 11 walls.The shape and size size of groove 18 can be carried out different designs according to the structure of different high-pressure tower structures, high pressure connection pin.
Spark coil housing of the present invention, high pressure at the spark coil housing connects pin 12, a groove 18 is set between high-pressure tower 11 walls, in the spark coil winding is placed in the spark coil housing, and after in the spark coil housing, pouring epoxy resin 15, as shown in Figure 4, epoxy resin 15 can be filled in the described groove 18, making high pressure connect pin 12 11 is insulated well behaved epoxy resin 15 and wraps up in high-pressure tower, after avoiding experiencing temperature alternating, owing to crackle 16 occurs between the zone of epoxy resin 15 and spark coil housing bottom high-pressure tower periphery, the zone walls of spark coil housing bottom high-pressure tower periphery approaches and causes high-tension electricity to leak, thereby can improve the insulating property of spark coil behind the experience temperature alternating, improve the reliability and the endurance quality of spark coil, made engine operation stable, reliably.
Claims (2)
1. spark coil housing, comprise bottom, sidewall, the bottom comprises high-pressure tower, injection moulding is fixed with high pressure connection pin in the high-pressure tower, it is characterized in that, the end that leads to the spark coil outside that described high pressure connects pin is fixed together with the injection moulding of high-pressure tower wall, and described high pressure connects pin with being formed with groove between the described high-pressure tower wall.
2. spark coil housing according to claim 1 is characterized in that, described groove is an annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105318597A CN102003322A (en) | 2010-11-04 | 2010-11-04 | Ignition coil housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105318597A CN102003322A (en) | 2010-11-04 | 2010-11-04 | Ignition coil housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102003322A true CN102003322A (en) | 2011-04-06 |
Family
ID=43810961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105318597A Pending CN102003322A (en) | 2010-11-04 | 2010-11-04 | Ignition coil housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102003322A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107004498B (en) * | 2014-11-11 | 2018-07-03 | 株式会社电装 | Internal combustion engine ignition coil |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5170768A (en) * | 1991-12-23 | 1992-12-15 | Ford Motor Company | Modular twin tower distributorless ignition coil |
| CN1094481A (en) * | 1993-01-15 | 1994-11-02 | 福特汽车公司 | Spark coil |
| CN1130721A (en) * | 1994-11-22 | 1996-09-11 | 住友电装株式会社 | Structure for connecting spark plug and ignition coil for internal combustion engine |
| US6836203B2 (en) * | 2001-11-26 | 2004-12-28 | Denso Corporation | Ignition coil for internal combustion engine |
| CN2926559Y (en) * | 2006-06-30 | 2007-07-25 | 联合汽车电子有限公司 | Igniter coil |
| CN201092925Y (en) * | 2007-08-17 | 2008-07-30 | 联合汽车电子有限公司 | Ignition coil |
| CN201851260U (en) * | 2010-11-04 | 2011-06-01 | 联合汽车电子有限公司 | Ignition coil shell |
-
2010
- 2010-11-04 CN CN2010105318597A patent/CN102003322A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5170768A (en) * | 1991-12-23 | 1992-12-15 | Ford Motor Company | Modular twin tower distributorless ignition coil |
| CN1094481A (en) * | 1993-01-15 | 1994-11-02 | 福特汽车公司 | Spark coil |
| CN1130721A (en) * | 1994-11-22 | 1996-09-11 | 住友电装株式会社 | Structure for connecting spark plug and ignition coil for internal combustion engine |
| US6836203B2 (en) * | 2001-11-26 | 2004-12-28 | Denso Corporation | Ignition coil for internal combustion engine |
| CN2926559Y (en) * | 2006-06-30 | 2007-07-25 | 联合汽车电子有限公司 | Igniter coil |
| CN201092925Y (en) * | 2007-08-17 | 2008-07-30 | 联合汽车电子有限公司 | Ignition coil |
| CN201851260U (en) * | 2010-11-04 | 2011-06-01 | 联合汽车电子有限公司 | Ignition coil shell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107004498B (en) * | 2014-11-11 | 2018-07-03 | 株式会社电装 | Internal combustion engine ignition coil |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110406 |