CN205303164U - Ignition coil - Google Patents
Ignition coil Download PDFInfo
- Publication number
- CN205303164U CN205303164U CN201620064561.2U CN201620064561U CN205303164U CN 205303164 U CN205303164 U CN 205303164U CN 201620064561 U CN201620064561 U CN 201620064561U CN 205303164 U CN205303164 U CN 205303164U
- Authority
- CN
- China
- Prior art keywords
- high pressure
- extension bar
- pressure extension
- rubber plug
- coil body
- 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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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model discloses an ignition coil, its technical scheme main points are: including coil body, coil body is last to be connected with high crimping pole, the one end that coil body was kept away from to high crimping pole is equipped with the rubber plug for to peg graft with the spark plug, the rubber plug is step like setting and reduces in proper order to high its diameter of crimping pole orientation from coil body. The step face of step like setting existence simultaneously can play the effect of separation oil mist layer upon layer, has guaranteed good sealed effect.
Description
Technical field
The utility model relates to auto parts, in particular to a kind of spark coil.
Background technology
Spark coil is the primary element that the low tension of power supply is changed into high voltage electric. The spark coil of engine is installed in cylinder head usually, and the lower end of spark coil is connected with sparking plug, and for sparking plug provides energy, sparking plug gos deep into producing in engine chamber spark, and then lights fuel oil, forms burning.
At present, the Chinese patent that notification number is CN201439740U discloses a kind of engine igniting coil, comprise coil, glue cover, spark coil spring, glue is sheathed on the high pressure extension bar end of spark coil, spark coil spring is located in glue cover, light a fire in glue cover insertion sparking plug, realize the sealing with sparking plug by glue cover simultaneously. But the excircle of its glue cover is smooth facing directly, the characteristic of elastomeric material self during insertion sparking plug, is only leaned on to play sealing effect, sealing limited efficiency.
Practical novel content
For the deficiency that prior art exists, the purpose of this utility model is to provide the spark coil of good sealing effect between a kind of glue cover and sparking plug.
Above-mentioned technical purpose of the present utility model is achieved by the following technical programs: a kind of spark coil, comprise coil body, described coil body is connected with high pressure extension bar, described high pressure extension bar is provided with in order to the rubber plug with sparking plug grafting away from one end of coil body, the stepped setting of described rubber plug and reducing successively to its diameter of high pressure extension bar direction from coil body.
By above-mentioned setting, spark coil is installed on automobile cylinder and covers and insert and contact with sparking plug in cylinder head, rubber plug and sparking plug wherein carry out grafting, when rubber plug and the complete grafting of sparking plug, owing to the ladder shape of rubber plug arranges the toughness with rubber itself, its head just and spark be plugged with certain sealing effect, simultaneously diameter due to the direction rubber plug toward high pressure extension bar is increasing, therefore more up, stopping property is more good, the step surface that simultaneously ladder shape arranges existence can play the effect intercepting mist of oil layer by layer, ensure that excellent sealing effect.
Preferably, rubber plug comprises the first ladder section, second-order bench, the 3rd ladder section and four-step section from coil body to high pressure extension bar direction successively.
By above-mentioned setting, rubber plug is divided into 4 ladder sections, and four-step section directly gos deep into sparking plug, and the 3rd ladder section, second-order bench and the first ladder section and the laminating of sparking plug hole wall are played and intercepted mist of oil layer by layer, the effect sealed layer by layer.
Preferably, the excircle of described four-step section is provided with grafting rib, and one end that described grafting rib is positioned at rubber plug oral area is provided with guiding surface.
By above-mentioned setting, grafting rib can make the on position of rubber plug and sparking plug align, and the guiding surface on it plays the effect of guiding, makes rubber plug more easily insert sparking plug.
Preferably, one end that described rubber plug and high pressure extension bar connect is provided with outer lip and epipharynx, forms the annular recesses being used for grafting between described outer lip and epipharynx.
By above-mentioned setting, rubber plug is placed on high pressure extension bar, the oral area of epipharynx insertion high pressure extension bar, and outer lip is wrapped in the periphery of high pressure extension bar, also namely high pressure extension bar inserts in annular recesses, is arranged the good grafting sealing ensured between high pressure extension bar and rubber plug by this.
Preferably, described high pressure extension bar is provided with wear ring away from one end of coil body, the inner ring surface laminating of described wear ring and outer lip.
By above-mentioned setting, wear ring card enters in annular recesses and fits with the inner ring surface of outer lip and the excircle of epipharynx, and when mist of oil infiltrates in rubber plug, wear ring can play sealing barrier effect.
Preferably, described high pressure extension bar is provided with projection away from one end of coil body, and the inner ring surface of described outer lip is provided with the spacing groove coordinated with projection.
By above-mentioned setting, on the excircle being positioned at high pressure extension bar of projection symmetry, when rubber plug is inserted in high pressure extension bar, projection can block in spacing groove, thus limit and axially rotate arbitrarily when rubber plug is placed on high pressure extension bar, ensure the stability that rubber plug is fixing on high pressure extension bar.
Preferably, the excircle of described high pressure extension bar is arranged with irony bar cover.
By above-mentioned setting, due to high pressure extension bar with can produce a large amount of heat during plug ignition, irony bar cover good heat dissipation effect, contribute to the temperature of rapid decrease high pressure extension bar.
Preferably, the side of described irony bar cover is axially arranged with opening along it.
By above-mentioned setting, irony bar cover is equivalent to not be a closed structure, and opening is equivalent to a seam, and when irony bar overlaps expanded by heating, opening leaves certain deformation surplus to its expansion, ensures that irony bar cover is not damaged.
Preferably, described irony bar puts and is provided with seal cartridge.
By above-mentioned setting, seal cartridge is sheathed on irony bar and puts, and when the high pressure extension bar insertion cylinder head of spark coil, seal cartridge can ensure the excellent sealing between open holes and high pressure extension bar.
Preferably, described seal cartridge being provided with some annular ribs along its axially spaced-apart, described annular rib is provided with breach, and the breach on adjacent two annular ribs is in shifting to install.
By above-mentioned setting, annular rib, while the sealing ensured between high pressure extension bar and open holes, makes to leave space between the two, this space is conducive to distribute heat, meanwhile, the breach owing to shifting to install makes the space between two annular ribs be connected, and is conducive to so better distributing heat.
In sum, the utility model in contrast to the useful effect of prior art: when rubber plug and the complete grafting of sparking plug, owing to the ladder shape of rubber plug arranges the toughness with rubber itself, its head just and spark be plugged with certain sealing effect, simultaneously diameter due to the direction rubber plug toward high pressure extension bar is increasing, therefore more up, stopping property is more good, the step surface that simultaneously ladder shape arranges existence can play the effect intercepting mist of oil layer by layer, ensure that excellent sealing effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment;
Fig. 2 is the structural representation that spark coil removes rubber plug;
Fig. 3 is the structural representation of rubber plug;
Fig. 4 is the main TV structure schematic diagram of rubber plug;
Fig. 5 be in Fig. 4 along A-A to sectional structure schematic diagram.
Reference numeral: 1, coil body; 2, high pressure extension bar; 3, rubber plug; 4, the first ladder section; 5, second-order bench; 6, the 3rd ladder section; 7, four-step section; 8, grafting rib; 9, guiding surface; 10, outer lip; 11, epipharynx; 12, annular recesses; 13, wear ring; 14, projection; 15, spacing groove; 16, irony bar cover; 17, opening; 18, seal cartridge; 19, annular rib; 20, breach.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Spark coil as shown in Figure 1, comprise coil body 1, described coil body 1 is connected with high pressure extension bar 2, described high pressure extension bar 2 is provided with in order to the rubber plug 3 with sparking plug grafting away from one end of coil body 1, the described stepped setting of rubber plug 3 and reducing successively to its diameter of high pressure extension bar 2 direction from coil body 1. wherein, rubber plug 3 comprises the first ladder section 4 from coil body 1 successively to high pressure extension bar 2 direction, second-order bench 5, 3rd ladder section 6 and four-step section 7, spark coil is installed on automobile cylinder and covers and insert and contact with sparking plug in cylinder head, rubber plug 3 and sparking plug wherein carry out grafting, when rubber plug 3 and the complete grafting of sparking plug, owing to the ladder shape of rubber plug 3 arranges the toughness with rubber itself, its head just and spark be plugged with certain sealing effect, simultaneously diameter due to the direction rubber plug 3 toward high pressure extension bar 2 is increasing, therefore more up, stopping property is more good, ladder shape arranges step surface i.e. the 3rd ladder section 6 of existence simultaneously, second-order bench 5 and the first ladder section 4 and the laminating of sparking plug hole wall are played and are intercepted mist of oil layer by layer, the effect sealed layer by layer can, ensure that excellent sealing effect.
FIGS 1 or 4, the excircle of described four-step section 7 is provided with grafting rib 8, one end that described grafting rib 8 is positioned at rubber plug 3 oral area is provided with guiding surface 9, grafting rib 8 can make the on position of rubber plug 3 and sparking plug align, guiding surface 9 on it plays the effect of guiding, makes rubber plug 3 more easily insert sparking plug.
FIGS 3 and 5, one end that described rubber plug 3 and high pressure extension bar 2 connect is provided with outer lip 10 and epipharynx 11, the annular recesses 12 being used for grafting is formed between described outer lip 10 and epipharynx 11, rubber plug 3 is placed on high pressure extension bar 2, epipharynx 11 inserts the oral area of high pressure extension bar 2, outer lip 10 is wrapped in the periphery of high pressure extension bar 2, and also namely high pressure extension bar 2 inserts in annular recesses 12, is arranged the good grafting sealing ensured between high pressure extension bar 2 and rubber plug 3 by this.
Wherein, in order to prevent mist of oil from infiltrating in rubber plug 3, as as described in accompanying drawing 2, high pressure extension bar 2 is provided with wear ring 13 away from one end of coil body 1, the inner ring surface of wear ring 13 and outer lip 10 is fitted, wear ring 13 block in annular recesses 12 and with the inner ring surface of outer lip 10 and the excircle laminating of epipharynx 11, when mist of oil infiltrates in rubber plug 3, wear ring 13 can play sealing barrier effect.
FIGS 2, described high pressure extension bar 2 is provided with projection 14 away from one end of coil body 1, the inner ring surface of described outer lip 10 is provided with the spacing groove 15 coordinated with projection 14, on the excircle being positioned at high pressure extension bar 2 of projection 14 symmetry, when rubber plug 3 is inserted in high pressure extension bar 2, projection 14 can block in spacing groove 15, thus limit and axially rotate arbitrarily when rubber plug 3 is placed on high pressure extension bar 2, ensures the stability that rubber plug 3 is fixing on high pressure extension bar 2.
FIGS 1, the excircle of described high pressure extension bar 2 is arranged with irony bar cover 16, due to high pressure extension bar 2 with can produce a large amount of heat during plug ignition, irony bar cover 16 good heat dissipation effect, contribute to the temperature of rapid decrease high pressure extension bar 2. Wherein, the side of described irony bar cover 16 is axially arranged with opening 17 along it, and irony bar cover 16 is equivalent to not be a closed structure, opening 17 is equivalent to a seam, when irony bar overlaps 16 expanded by heating, opening 17 leaves certain deformation surplus to its expansion, ensures that irony bar cover 16 is not damaged.
As shown in accompanying drawing 1,2, described irony bar cover 16 is provided with seal cartridge 18, and seal cartridge 18 is sheathed on irony bar cover 16, and when the high pressure extension bar 2 of spark coil inserts cylinder head, seal cartridge 18 can ensure the excellent sealing between open holes and high pressure extension bar 2. wherein, described seal cartridge 18 is provided with some annular ribs 19 along its axially spaced-apart, described annular rib 19 is provided with breach 20, breach 20 on adjacent two annular ribs 19 is in shifting to install, that is breach 20 is offered in the left side of a ring shape rib 19 above, so offer breach 20 on the right side of next adjacent annular rib 19, gap between two annular ribs 19 is connected, annular rib 19 is while the sealing ensured between high pressure extension bar 2 and open holes like this, make to leave space between the two, this space is conducive to distribute heat, simultaneously, breach 20 owing to shifting to install makes the space between two annular ribs 19 be connected, be conducive to so better distributing heat.
The above is only exemplary embodiment of the present utility model, but not for limiting protection domain of the present utility model, protection domain of the present utility model is determined by appended claim.
Claims (10)
1. a spark coil, comprise coil body (1), described coil body (1) is connected with high pressure extension bar (2), described high pressure extension bar (2) is provided with in order to the rubber plug (3) with sparking plug grafting away from one end of coil body (1), it is characterized in that: described rubber plug (3) stepped setting and reducing successively to its diameter of high pressure extension bar (2) direction from coil body (1).
2. spark coil according to claim 1, is characterized in that: comprise the first ladder section (4), second-order bench (5), the 3rd ladder section (6) and four-step section (7) in rubber plug (3) successively from coil body (1) to high pressure extension bar (2) direction.
3. spark coil according to claim 2, is characterized in that: the excircle of described four-step section (7) is provided with grafting rib (8), and one end that described grafting rib (8) is positioned at rubber plug (3) oral area is provided with guiding surface (9).
4. spark coil according to claim 1 or 3, it is characterized in that: one end that described rubber plug (3) and high pressure extension bar (2) connect is provided with outer lip (10) and epipharynx (11), between described outer lip (10) and epipharynx (11), form the annular recesses (12) being used for grafting.
5. spark coil according to claim 4, is characterized in that: described high pressure extension bar (2) is provided with wear ring (13) away from one end of coil body (1), and the inner ring surface of described wear ring (13) and outer lip (10) is fitted.
6. spark coil according to claim 5, it is characterized in that: described high pressure extension bar (2) is provided with projection (14) away from one end of coil body (1), the inner ring surface of wear ring (13) described outer lip (10) is provided with the spacing groove (15) coordinated with projection (14).
7. spark coil according to claim 1 or 3, is characterized in that: be arranged with irony bar cover (16) on the excircle of described high pressure extension bar (2).
8. spark coil according to claim 7, is characterized in that: the side of described irony bar cover (16) is axially arranged with opening (17) along it.
9. spark coil according to claim 8, is characterized in that: described irony bar cover (16) is provided with seal cartridge (18).
10. spark coil according to claim 9, it is characterized in that: described seal cartridge (18) is provided with some annulars rib (19) along its axially spaced-apart, described annular rib (19) is provided with breach (20), and the breach (20) in adjacent two annulars rib (19) is in shifting to install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620064561.2U CN205303164U (en) | 2016-01-22 | 2016-01-22 | Ignition coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620064561.2U CN205303164U (en) | 2016-01-22 | 2016-01-22 | Ignition coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205303164U true CN205303164U (en) | 2016-06-08 |
Family
ID=56427055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620064561.2U Expired - Fee Related CN205303164U (en) | 2016-01-22 | 2016-01-22 | Ignition coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205303164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448346A (en) * | 2017-07-07 | 2017-12-08 | 奇瑞汽车股份有限公司 | The mounting structure of ignition coil |
| CN115173232A (en) * | 2022-07-08 | 2022-10-11 | 浙江辉波蕾汽车部件有限公司 | High-voltage cap for spark plug and processing device thereof |
-
2016
- 2016-01-22 CN CN201620064561.2U patent/CN205303164U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448346A (en) * | 2017-07-07 | 2017-12-08 | 奇瑞汽车股份有限公司 | The mounting structure of ignition coil |
| CN115173232A (en) * | 2022-07-08 | 2022-10-11 | 浙江辉波蕾汽车部件有限公司 | High-voltage cap for spark plug and processing device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20200122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |