CN108053984B - Ignition coil - Google Patents
Ignition coil Download PDFInfo
- Publication number
- CN108053984B CN108053984B CN201810049633.XA CN201810049633A CN108053984B CN 108053984 B CN108053984 B CN 108053984B CN 201810049633 A CN201810049633 A CN 201810049633A CN 108053984 B CN108053984 B CN 108053984B
- Authority
- CN
- China
- Prior art keywords
- conductive
- electrically conductive
- secondary winding
- cap
- connecting piece
- 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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Links
- 238000004804 winding Methods 0.000 claims abstract description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000012634 fragment Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 6
- 230000009977 dual effect Effects 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 10
- 238000005452 bending Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/12—Ignition, e.g. for IC engines
Abstract
The invention discloses an ignition coil, which comprises a shell, a secondary winding, a conductive cap, a conductive connecting piece, an auxiliary conductive component and a conductive spring, wherein the secondary winding and the primary winding are arranged in the shell, the secondary winding is wrapped in the primary winding, an iron core is wrapped in the primary winding, a secondary framework is arranged in the secondary winding, the conductive cap is arranged at the high-voltage output end of the secondary winding, a first radial shrinkage surface, a second radial shrinkage surface and a connecting part are arranged in the conductive connecting piece, the outer ring of the conductive cap is tightly matched with the first radial shrinkage surface, the auxiliary conductive component is arranged in the connecting part, a plurality of elastic conductive sheets are arranged on the auxiliary conductive component and are tightly matched with the conductive cap, and the lower part of the connecting part is connected with a spark plug through the conductive spring. Through setting up supplementary conductive component in conductive connection spare, form dual close connection, effectually improved the stability of connection, eliminated the hidden danger in the course of the work.
Description
[ field of technology ]
The invention relates to the technical field of ignition coils, in particular to the technical field of ignition coils.
[ background Art ]
The ignition coil of the engine is used for providing high voltage for the spark plug of the engine, the ignition coil and the light-opening device are comprehensively popularized in the current automobile industry, the core component of the ignition device is the ignition coil, the ignition coil is electrically connected, the high-voltage output end of the secondary winding is connected with the spark plug through a high-voltage spring, when the ignition coil is influenced by environmental vibration, loosening is frequently caused, the connection is unreliable, the energy transfer efficiency is reduced, and the normal operation of the engine is influenced; the service life of the ignition coil can be shortened, and an ignition coil is provided.
[ invention ]
The invention aims to solve the problems in the prior art, and provides an ignition coil, which is formed by arranging an auxiliary conductive component in a conductive connecting piece to form double tight connection, so that the stability of connection is effectively improved, and hidden danger in the working process is eliminated.
In order to achieve the above purpose, the invention provides an ignition coil, which comprises a shell, a secondary winding, a conductive cap, a conductive connecting piece, an auxiliary conductive component and a conductive spring, wherein the secondary winding and the primary winding are arranged in the shell, the secondary winding is wrapped in the primary winding, an iron core is wrapped in the primary winding, a secondary framework is arranged in the secondary winding, the conductive cap is arranged at the high-voltage output end of the secondary winding, a stepped groove is formed in the inner wall of the shell, the conductive connecting piece is arranged on the stepped groove, a first radial shrinkage surface, a second radial shrinkage surface and a connecting part are arranged in the conductive connecting piece, the outer ring of the conductive cap is tightly matched with the first radial shrinkage surface, the auxiliary conductive component is arranged in the connecting part, a plurality of elastic conductive sheets are arranged on the auxiliary conductive component, the elastic conductive sheets are tightly matched with the conductive cap, and the lower part of the connecting part is connected with a spark plug through the conductive spring.
Preferably, the auxiliary conductive assembly further comprises a mounting part and an annular spring, external threads are arranged on the periphery of the mounting part, two elastic conductive sheets are symmetrically arranged above the mounting part, bending parts which expand outwards along the radial direction are arranged on the elastic conductive sheets, the bending parts are U-shaped, the annular spring is embedded in the bending parts, elastic sheets are arranged at the end parts of the bending parts, and the elastic sheets are in tight contact with the conductive caps.
Preferably, the conductive cap comprises a mounting body, a conductive end face and an elastic outer edge, the cross section of the mounting body is circular, the conductive end face is arranged below the mounting body, the elastic outer edge extends outwards in the radial direction above the mounting body, the ratio of the outer diameter to the inner diameter of the elastic outer edge is 2:1, and the elastic outer edge is tightly matched with the first radial shrinkage surface.
Preferably, the periphery of the conductive connecting piece is provided with a positioning convex edge, the positioning convex edge is matched with the stepped groove, the ratio of the inner diameter to the outer diameter of the first radial shrinkage surface is 1:2, the ratio of the inner diameter to the outer diameter of the second radial shrinkage surface is 1:2, and the inner wall of the connecting part is provided with an internal thread.
The invention has the beneficial effects that: according to the invention, through the cooperation of the shell, the secondary winding, the conductive cap, the conductive connecting piece, the auxiliary conductive component, the conductive spring and the like, and through arranging the auxiliary conductive component in the conductive connecting piece, the conductive cap, the conductive connecting piece and the auxiliary conductive component form double tight connection, so that the connection stability is effectively improved, and hidden danger in the working process is eliminated.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic partial cross-sectional view of an ignition coil of the present invention;
FIG. 2 is a schematic cross-sectional view of a conductive cap of an ignition coil of the present invention;
FIG. 3 is a schematic cross-sectional view of a conductive connection of an ignition coil of the present invention;
fig. 4 is a schematic cross-sectional view of an auxiliary conductive assembly of an ignition coil of the present invention.
[ detailed description ] of the invention
Referring to fig. 1 to 4, the ignition coil of the present invention comprises a housing 1, a secondary winding 2, a conductive cap 3, a conductive connecting piece 4, an auxiliary conductive component 5 and a conductive spring 6, wherein the secondary winding 2 and a primary winding are arranged in the housing 1, the secondary winding 2 is wrapped in the primary winding, an iron core is wrapped in the primary winding, a secondary skeleton 21 is arranged in the secondary winding 2, the conductive cap 3 is mounted at the high voltage output end of the secondary winding 2, a stepped groove 11 is formed in the inner wall of the housing 1, the conductive connecting piece 4 is mounted on the stepped groove 11, a first radial shrinkage surface 42, a second radial shrinkage surface 43 and a connecting portion 44 are arranged in the conductive connecting piece 4, the outer ring of the conductive cap 3 is tightly matched with the first radial shrinkage surface 42, the auxiliary conductive component 5 is mounted in the connecting portion 44, a plurality of elastic conductive pieces 52 are arranged on the auxiliary conductive component 5, the elastic conductive pieces 52 are tightly matched with the conductive cap 3, and the lower portion of the connecting portion 44 is connected with the spark plug through the conductive spring 6. The auxiliary conductive assembly 5 further comprises a mounting portion 51 and an annular spring 53, external threads are arranged on the periphery of the mounting portion 51, two elastic conductive plates 52 are symmetrically arranged above the mounting portion 51, bending portions 521 which expand outwards in the radial direction are arranged on the elastic conductive plates 52, the bending portions 521 are U-shaped, the annular spring 53 is embedded in the bending portions 521, elastic pieces 522 are arranged at the end portions of the bending portions 521, and the elastic pieces 522 are in tight contact with the conductive caps 3. The conductive cap 3 comprises a mounting body 31, a conductive end face 32 and an elastic outer edge 33, the cross section of the mounting body 31 is circular, the conductive end face 32 is arranged below the mounting body 31, the elastic outer edge 33 extends outwards in the radial direction above the mounting body 31, the ratio of the outer diameter to the inner diameter of the elastic outer edge 33 is 2:1, and the elastic outer edge 33 is tightly matched with the first radial shrinkage surface 42. The periphery of the conductive connecting piece 4 is provided with a positioning protruding edge 41, the positioning protruding edge 41 is matched with the stepped groove 11, the ratio of the inner diameter to the outer diameter of the first radial shrinkage surface 42 is 1:2, the ratio of the inner diameter to the outer diameter of the second radial shrinkage surface 43 is 1:2, and the inner wall of the connecting portion 44 is provided with an internal thread.
The working process of the invention comprises the following steps:
the invention relates to an ignition coil, which is characterized in that in the working process: through the cooperation of casing, secondary winding, electrically conductive cap, electrically conductive connecting piece, supplementary conductive subassembly and electrically conductive spring etc. through setting up supplementary conductive subassembly 5 in electrically conductive connecting piece 4, electrically conductive cap 3 forms dual zonulae occludens with electrically conductive connecting piece 4, supplementary conductive subassembly 5, wherein elasticity outer fringe 33 and first footpath face 42 intensive contact, shell fragment 522 and electrically conductive terminal surface 32 intensive contact, annular spring 53 has the trend that radially expands outward, can compensate the clearance that produces because of the vibration between shell fragment 522 and the electrically conductive terminal surface 32, the effectual stability of improving the connection, the hidden danger in the course of the work has been eliminated.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (2)
1. An ignition coil, characterized in that: including casing (1), secondary winding (2), electrically conductive cap (3), electrically conductive connecting piece (4), auxiliary conductive subassembly (5) and electrically conductive spring (6), be equipped with secondary winding (2) and primary winding in casing (1), secondary winding (2) parcel is in primary winding, the parcel has the iron core in the primary winding, be equipped with secondary skeleton (21) in secondary winding (2), electrically conductive cap (3) are installed to the high-voltage output of secondary winding (2), step groove (11) have been seted up to the inner wall of casing (1), electrically conductive connecting piece (4) are installed on step groove (11), be equipped with first footpath shrinkage surface (42), second footpath shrinkage surface (43) and connecting portion (44) in electrically conductive connecting piece (4), the outer lane of electrically conductive cap (3) is closely matched with first footpath shrinkage surface (42), auxiliary conductive subassembly (5) are installed in connecting portion (44), be equipped with a plurality of elastic conductive piece (52) on auxiliary conductive subassembly (5), elastic conductive piece (52) are installed on the inner wall of casing (1) and are connected with auxiliary conductive subassembly (53) through electrically conductive portion (53) and electrically conductive portion (53), the periphery of installation department (51) is equipped with the external screw thread, the top symmetry of installation department (51) is equipped with two elasticity conducting strip (52), be equipped with on the elasticity conducting strip (52) along radial outside kink (521), the shape of kink (521) is the U font, the embedded annular spring (53) that is equipped with of kink (521), the tip of kink (521) is equipped with shell fragment (522), shell fragment (522) and electrically conductive cap (3) in close contact with, electrically conductive cap (3) include installation body (31), conducting end face (32) and elasticity outer fringe (33), the cross-sectional shape of installation body (31) is circular, the below of installation body (31) is equipped with conducting end face (32), the top along radial outside elasticity outer fringe (33) that extends of installation body (31), the external diameter of elasticity outer fringe (33) is 2:1 with the internal diameter ratio, elasticity outer fringe (33) and first radial shrinkage surface (42) close fit.
2. An ignition coil as set forth in claim 1, wherein: the periphery of the conductive connecting piece (4) is provided with a positioning convex edge (41), the positioning convex edge (41) is matched with the stepped groove (11), the ratio of the inner diameter to the outer diameter of the first radial shrinkage surface (42) is 1:2, the ratio of the inner diameter to the outer diameter of the second radial shrinkage surface (43) is 1:2, and the inner wall of the connecting portion (44) is provided with internal threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810049633.XA CN108053984B (en) | 2018-01-18 | 2018-01-18 | Ignition coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810049633.XA CN108053984B (en) | 2018-01-18 | 2018-01-18 | Ignition coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108053984A CN108053984A (en) | 2018-05-18 |
| CN108053984B true CN108053984B (en) | 2023-12-15 |
Family
ID=62127837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810049633.XA Active CN108053984B (en) | 2018-01-18 | 2018-01-18 | Ignition coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108053984B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382170A (en) * | 1992-07-16 | 1995-01-17 | Sumitomo Wiring Systems, Ltd. | Coupling construction |
| CN1139828A (en) * | 1995-04-13 | 1997-01-08 | 三菱电机株式会社 | Electric connector, ignition device for internal combustion engine and making method |
| JP2012007595A (en) * | 2010-06-28 | 2012-01-12 | Diamond Electric Mfg Co Ltd | Ignition coil for internal combustion engine |
| CN202325975U (en) * | 2011-11-30 | 2012-07-11 | 浙江中奥泵业有限公司 | Automobile ignition coil |
| CN106128732A (en) * | 2016-07-19 | 2016-11-16 | 昆山凯迪汽车电器有限公司 | Ignition coil |
| CN107004498A (en) * | 2014-11-11 | 2017-08-01 | 株式会社电装 | Internal combustion engine ignition coil |
| CN207883473U (en) * | 2018-01-18 | 2018-09-18 | 海盐爱建股份有限公司 | A kind of ignition coil |
-
2018
- 2018-01-18 CN CN201810049633.XA patent/CN108053984B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382170A (en) * | 1992-07-16 | 1995-01-17 | Sumitomo Wiring Systems, Ltd. | Coupling construction |
| CN1139828A (en) * | 1995-04-13 | 1997-01-08 | 三菱电机株式会社 | Electric connector, ignition device for internal combustion engine and making method |
| JP2012007595A (en) * | 2010-06-28 | 2012-01-12 | Diamond Electric Mfg Co Ltd | Ignition coil for internal combustion engine |
| CN202325975U (en) * | 2011-11-30 | 2012-07-11 | 浙江中奥泵业有限公司 | Automobile ignition coil |
| CN107004498A (en) * | 2014-11-11 | 2017-08-01 | 株式会社电装 | Internal combustion engine ignition coil |
| CN106128732A (en) * | 2016-07-19 | 2016-11-16 | 昆山凯迪汽车电器有限公司 | Ignition coil |
| CN207883473U (en) * | 2018-01-18 | 2018-09-18 | 海盐爱建股份有限公司 | A kind of ignition coil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108053984A (en) | 2018-05-18 |
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