CN204167074U - A kind of coil block of iron core flush type automobile ignition coil - Google Patents
A kind of coil block of iron core flush type automobile ignition coil Download PDFInfo
- Publication number
- CN204167074U CN204167074U CN201420534669.4U CN201420534669U CN204167074U CN 204167074 U CN204167074 U CN 204167074U CN 201420534669 U CN201420534669 U CN 201420534669U CN 204167074 U CN204167074 U CN 204167074U
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- China
- Prior art keywords
- iron core
- lower casing
- coil
- low pressure
- edge
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Abstract
The utility model relates to a kind of coil block of iron core flush type automobile ignition coil, comprise housing, be loaded on the low voltage connector of housing side low pressure input port, iron core, primary coil, secondary coil and be connected to the high-field electrode of lower housing portion High voltage output port, housing is made up of lock joint with edge on edge under upper casing and lower casing the upper casing become with the plane separation of crosscut sides low pressure input port and lower casing, iron core by yi word pattern iron core and be looped around be sleeved on yi word pattern iron core outside successively primary coil and secondary coil outside port type iron core form, it is characterized in that, the ring week groove of port type iron core described in setting-in is being set around lower casing inwall, under upper casing, the low pressure input port position on edge arranges bar shaped fin, and under upper casing, on edge, the position relative with low pressure input port arranges slot, on lower casing along on corresponding with slot projection is set, on lower casing, the low pressure input port position on edge is corresponding with bar shaped fin arranges strip groove.Advantage is Simplified flowsheet, material-saving.
Description
Technical field
The utility model relates to a kind of automobile ignition coil, particularly relates to a kind of coil block of iron core flush type automobile ignition coil.
Background technology
Along with the development of automotive ignition system, the structure of automobile ignition coil is just towards small-sized, light weight, energetic future development.Existing direct plugging-in ignition coil is formed by coil block and connected high-voltage output circuit.Coil block mainly comprises housing, low voltage connector, the iron core be loaded in the low pressure input port of housing side, primary coil, secondary coil and be connected to housing high pressure output port high-field electrode form.
Iron core, as the critical component of ignition coil, plays the key effect of power conversion.In order to strengthen energy conversion efficiency, the iron core of ignition coil generally adopts closed magnetic circuit, is the day font iron core built up by silicon steel sheet.Day font iron core is divided into port type iron core and yi word pattern iron core two parts: centered by yi word pattern iron core, be set with low-voltage coil, high-tension coil in enclosure interior successively, and port type iron core is enclosed within high-tension coil outside and forms closed magnetic circuit.Because the port type iron core housing that reclines is arranged around inner walls, so existing coil block, in structural design, is that port type iron core is directly injection-moulded in case inside, forms integral piece with housing.But the defect of this kind of structure is: (1) adopt Shooting Technique by port type iron core solidification in the housing, make coil block process costs improve.(2) once iron core performance or shell go wrong, needs are scrapped, and because iron core and housing are integrated part, can not retain separately, obtain and scrap simultaneously, then cause very large waste of material.In addition, the housing of existing coil block is formed lock joint with edge on edge under upper casing and lower casing with the upper casing of the plane separation of crosscut sides low pressure input port one-tenth and lower casing.During assembling, upper and lower shell junction will be coated with glue bond, the shell edge fastened mutually due to upper casing and lower casing is plane, after two shell make-ups, still mutually to slide dislocation, therefore need to adopt interim elastic band auxiliary fixing after carry out painting glue bond again, because this increasing the complexity of technique, waste time and energy, reduce production efficiency and raise the cost.
Utility model content
Main purpose of the present utility model is for the problems referred to above, existing shell structure is improved, a kind of coil block of iron core flush type automobile ignition coil is provided, square shape iron core and housing split are arranged, and realize upper and lower shell joint and close firm position, reach and reduce waste of material, Simplified flowsheet, the effect of enhancing productivity.
The utility model solves the technical scheme that its technical problem adopts:
A kind of coil block of iron core flush type automobile ignition coil, comprise housing, be loaded on the low voltage connector of housing side low pressure input port, be loaded on the endoceliac iron core of shell, primary coil, secondary coil and be connected to the high-field electrode of lower housing portion High voltage output port, described housing is made up of lock joint with edge on edge under upper casing and lower casing the upper casing become with the plane separation of crosscut sides low pressure input port and lower casing, iron core be by yi word pattern iron core and be looped around be sleeved on yi word pattern iron core outside successively primary coil and secondary coil outside port type iron core form, it is characterized in that, the ring week groove of port type iron core described in setting-in is set around lower casing inwall in described lower casing.
Under described upper casing, the both sides, low pressure input port position on edge arrange bar shaped fin respectively, and under upper casing, on edge, the position relative with described low pressure input port arranges slot; On described lower casing along on corresponding with described slot projection is set, and on lower casing, the both sides, low pressure input port position on edge are corresponding with described bar shaped fin arranges strip groove respectively.
The beneficial effects of the utility model are: the iron core flush type coil block provided is owing to being provided with ring week groove around lower casing inwall, during assembling, port type iron core is directly inlaid in ring week groove, is injected into integrally different, had both eliminated Shooting Technique step from port type iron core in prior art and lower casing, reduce process costs, meanwhile, once iron core or lower casing go wrong, can scrap separately, need not scrap simultaneously, avoid waste of material.In addition, due on edge and lower casing under upper casing along on be wholely set respectively can mutually plug together bar shaped fin, slot and strip groove, projection, therefore upper casing, lower casing accurate contraposition being fixed together is made, now, need not can carry out gluing operation easily by any appurtenance, Simplified flowsheet is time saving and energy saving, improves production efficiency and reduces process costs.
Accompanying drawing explanation
Fig. 1 is that master of the present utility model looks sectional structure schematic diagram;
Fig. 2 is upper casing in Fig. 1, lower casing combination schematic diagram;
Fig. 3 is the upward view of upper casing in Fig. 2;
Fig. 4 is the vertical view of lower casing in Fig. 2.
In figure: 1 low voltage connector, 2 housings, 21 upper casings, 22 lower casings, 23 low pressure input ports, 24 High voltage output ports, edge under 25 upper casings, edge on 26 lower casings, 3 secondary coils, 4 primary coils, 5 projections, 50 slots, 6 iron cores, 61 yi word pattern iron cores, 62 port type iron cores, 7 high-field electrodes, 8 bar shaped fins, 80 strip grooves, all grooves of 9 rings
Below in conjunction with drawings and Examples, the utility model is described in detail.
Embodiment
Fig. 1-Fig. 4 illustrates a kind of coil block of iron core flush type automobile ignition coil, comprise housing 2, be loaded on the low voltage connector 1 of housing side low pressure input port 23, be loaded on the endoceliac iron core 6 of shell, primary coil 4, secondary coil 3 and be connected to the high-field electrode 7 of housing 2 bottom High voltage output port 24, described housing 2 is to be formed along on 25 and lower casing along 26 pairs of lock joints under upper casing by the upper casing 21 become with the plane separation of crosscut sides low pressure input port and lower casing 22, iron core 6 be by yi word pattern iron core 61 and be looped around be sleeved on yi word pattern iron core 61 outside successively primary coil 4 and secondary coil 3 outside port type iron core 62 form, as shown in Figure 4, of the present utility modelly to be characterised in that, the ring week groove 9 of port type iron core 62 described in setting-in is set around lower casing inwall in described lower casing 22.
Feature of the present utility model is also, the both sides, low pressure input port position along 25 under above-mentioned upper casing arrange bar shaped fin 8 respectively, and under upper casing, on edge, the position relative with described low pressure input port arranges slot 50; Above-mentioned lower casing arranges projection 5 along corresponding with described slot 50 on 26, and on lower casing, strip groove 80 is set respectively along the both sides, low pressure input port position of 26 are corresponding with described bar shaped fin 8.
Add man-hour actual, above-mentioned bar shaped fin 8 and slot 50 are and upper casing integrated injection molding that above-mentioned strip groove 80 and projection 5 are and lower casing integrated injection molding, easy to process, accurate positioning.
Owing to being provided with ring week groove 9, when coil block is assembled, first port type iron core setting-in is entered in all grooves 9 of the ring arranged around lower casing 22 inwall, then primary coil 4 and secondary coil 3 is set with successively in yi word pattern iron core 61 outside, and this sub-assembly is loaded in lower casing 22, this sub-assembly be positioned at port type iron core around space.Now, directly arrange around lower casing inwall and be injected into it integrally different from port type iron core in prior art, port type iron core is inlaid in all grooves 9 of the ring arranged around lower casing 22 inwall.Like this, eliminate the processing step of integrated injection molding on the one hand, reduce process costs, meanwhile, once port type iron core 62 or lower casing 22 go wrong, can scrap separately, need not scrap simultaneously, avoid waste of material.
In addition, due on edge and lower casing under upper casing along on be provided with bar shaped fin 8, slot 50 and strip groove 80, projection 5 respectively, therefore when upper casing and lower casing fasten, projection 5 inserts in slot 50, and two bar shaped fins 8 insert in corresponding strip groove 80 respectively, makes upper casing, lower casing accurate contraposition being fixed together, now, need not can carry out gluing operation easily by any appurtenance, simplify technique time saving and energy saving, improve production efficiency and reduce process costs.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (2)
1. the coil block of an iron core flush type automobile ignition coil, comprise housing, be loaded on the low voltage connector of housing side low pressure input port, be loaded on the endoceliac iron core of shell, primary coil, secondary coil and be connected to the high-field electrode of lower housing portion High voltage output port, described housing is made up of lock joint with edge on edge under upper casing and lower casing the upper casing become with the plane separation of crosscut sides low pressure input port and lower casing, iron core be by yi word pattern iron core and be looped around be sleeved on yi word pattern iron core outside successively primary coil and secondary coil outside port type iron core form, it is characterized in that, the ring week groove of port type iron core described in setting-in is set around lower casing inwall in described lower casing.
2. the coil block of a kind of iron core flush type automobile ignition coil according to claim 1, it is characterized in that, under described upper casing, the both sides, low pressure input port position on edge arrange bar shaped fin respectively, and under upper casing, on edge, the position relative with described low pressure input port arranges slot; On described lower casing along on corresponding with described slot projection is set, and on lower casing, the both sides, low pressure input port position on edge are corresponding with described bar shaped fin arranges strip groove respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534669.4U CN204167074U (en) | 2014-09-17 | 2014-09-17 | A kind of coil block of iron core flush type automobile ignition coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534669.4U CN204167074U (en) | 2014-09-17 | 2014-09-17 | A kind of coil block of iron core flush type automobile ignition coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167074U true CN204167074U (en) | 2015-02-18 |
Family
ID=52540739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420534669.4U Expired - Fee Related CN204167074U (en) | 2014-09-17 | 2014-09-17 | A kind of coil block of iron core flush type automobile ignition coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204167074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118641A (en) * | 2015-08-21 | 2015-12-02 | 海盐县爱建汽车电器有限责任公司 | Pen-type ignition coil |
-
2014
- 2014-09-17 CN CN201420534669.4U patent/CN204167074U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118641A (en) * | 2015-08-21 | 2015-12-02 | 海盐县爱建汽车电器有限责任公司 | Pen-type ignition coil |
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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: 20150218 Termination date: 20150917 |
|
| EXPY | Termination of patent right or utility model |