CN208834893U - Closed magnetic ignition coil - Google Patents

Abstract

The utility model discloses a kind of closed magnetic ignition coils, including iron core, it is wound on the armature winding of iron core circumferential surface and axial arranging, the high pressure skeleton being set in outside armature winding, the secondary windings being wound on high pressure skeleton, it is arranged the shell for leading insulator and the above-mentioned component of encapsulation on the secondary winding, it is characterized by: it is described lead insulator both ends of the surface and be bonded be fixed with magnetic conductive cover and the iron core both ends of the surface are bonded with two magnetic conductive covers, form a closed magnetic circuit, increase iron core magnetic flux, to realize that its output end of the pen type coil of same volume obtains bigger ignition energy, clamping between described iron core one end and the magnetic conductive cover of respective end has magnet steel, bias is used, magnetic circuit is set to be not to be saturated, the insulator of leading is open loop, open loop is necessary, not so suitable primary short, open loop can also make high-voltage output end and flux sleeve insulation distance enough.

Description

Closed magnetic ignition coil

Technical field

The utility model belongs to ignition coil technical field, concretely relates to a kind of closed magnetic ignition coil.

Background technique

Automobile is as a kind of main means of transport, and in today's society, being all in the routine work and life of people can not Lack.It is updated as auto industry continues to develop, the ignition coil nowadays used on car has been changed to penholder mostly Formula structure, such ignition coil is directly linked together with spark plug by rubber sheath, and small product size is small, electromagnetism Compatible strong, output voltage is high, and efficiency of combustion is higher, is the trend of ignition coil development.

But existing ignition coil often uses open loop core structure, causes its secondary ignition energy insufficient, influences to send out Motivation power, but due to the limitation of ignition coil volume, and can not be by increasing the iron core of ignition coil or increasing winding Improve ignition energy to improve secondary voltage.

Summary of the invention

The purpose of the utility model is to provide a kind of closed magnetic ignition coil, it is intended to improve the point of existing ignition coil Disadvantage present in firewire circle, so that obtaining bigger ignition energy in its output end of the pen type ignition coil of same volume size Amount.

In order to solve the above technical problems, purpose of the utility model is realized as follows:

A kind of closed magnetic ignition coil including iron core, the armature winding that is wound on iron core circumferential surface and axial arranging, is set in High pressure skeleton outside armature winding, the secondary windings being wound on high pressure skeleton, be arranged on the secondary winding lead insulator and Encapsulate the shell of above-mentioned component, it is characterised in that: it is described lead insulator both ends of the surface and be bonded be fixed with magnetic conductive cover and the iron core two End face is bonded with two magnetic conductive covers, formed a closed magnetic circuit, increase iron core magnetic flux, thus realize same volume pen type coil its Output end obtains bigger ignition energy.

Preferred embodiment on the basis of above scheme and as above scheme: the magnetic conduction of described iron core one end and respective end Clamping between lid has magnet steel, and bias is used, and magnetic circuit is made to be not to be saturated.

Preferred embodiment on the basis of above scheme and as above scheme: the magnetic conductive cover circumferential surface is extended with clamping Portion, the insulator both ends of the surface of leading are correspondingly provided with multiple card slots, and the clamping portion is embedded in the card slot, and realization is led porcelain lid and led Insulator is located by connecting.

Preferred embodiment on the basis of above scheme and as above scheme: also comprising being fixed on leading for iron core lower end surface High-head below magnetic lid, the high-head include a fixed base frame and are drawn by high pressure downwardly convex in the middle part of fixed base frame Portion, the high pressure lead division offer the conductive paths for wearing high-voltage conducting wires, and high-voltage conducting wires can be introduced to the height of high pressure lead division Press lead.

Preferred embodiment on the basis of above scheme and as above scheme: the high pressure skeleton both ends of the surface edge to Outer axial direction is extended with multiple clip-connecting rods, and the fixed base frame and magnetic conductive cover offer the location hole for clip-connecting rod insertion, card The positioning hole on column insertion fixed base frame and magnetic conductive cover is connect, fixed base frame and magnetic conductive cover are positioned and connected, high pressure is made Head and magnetic conductive cover.

Preferred embodiment on the basis of above scheme and as above scheme: proximal edge is leaned in high pressure skeleton lower end surface Place has extended downwardly a leading part, and the leading part offers fairlead, and the magnetic conductive cover and fixed base frame edge are corresponding Open up jagged, leading part can be pierced by and be exposed by notch.

Preferred embodiment on the basis of above scheme and as above scheme: the iron core is arranged close to end side thereon There is lug plate, the lug plate is symmetrically arranged with connecting groove, and the lug plate prevents it around iron core by limiting device limit On the one hand axial rotation, lug plate are used to fix iron core upper end, another aspect connecting groove is for fixed primary line Leading-out end line is enclosed, avoiding leading-out end line, it causes to be broken because vibrating for a long time for a long time.

Preferred embodiment on the basis of above scheme and as above scheme: further including being sheathed on secondary windings and leading porcelain Casing between set, high pressure skeleton both ends circumferential surface extend radially outward the support ring for being used to support casing inner diameter, and casing is used for Improve pole coil and leads the insulation performance between insulator.

Preferred embodiment on the basis of above scheme and as above scheme: high pressure skeleton lower end has an internal diameter Slightly larger than the limit hole of the iron core diameter, the iron core is inserted into the limit hole, which is determined the lower end of iron core Position, enhances its stability.

Preferred embodiment on the basis of above scheme and as above scheme: the magnetic conductive cover using silicon steel sheet stack and At.

Preferred embodiment on the basis of above scheme and as above scheme: the insulator of leading is open loop, and open loop is must Must, not so suitable primary short, open loop can also make high-voltage output end and flux sleeve insulation distance enough.

Compared with the prior art, the utility model has prominent and beneficial technical effects that: in the pen type point of same volume size Its output end of firewire circle obtains bigger ignition energy, and relatively reliable stabilization of lighting a fire keeps burning more abundant, can be effective The performance of engine is improved, winding is reduced and uses.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the overall structure bottom view of the utility model；

Fig. 3 is high pressure skeleton structure main view；

Fig. 4 is high pressure skeleton top view；

Fig. 5 is high pressure skeleton bottom view；

Fig. 6 is high pressure skeleton A-A cross-sectional view；

Fig. 7 is to lead insulator main view；

Fig. 8 is to lead insulator left view；

Fig. 9 is magnetic conductive cover main view；

Figure 10 is magnetic conductive cover left view；

Figure 11 is high-head high pressure lead structural schematic diagram；

Figure 12 is high-head cross-sectional view；

Figure 13 is high-head top view；

Figure 14 is high-head main view；

Figure 15 is lug plate cross-sectional view；

Figure 16 is lug plate main view.

Specific embodiment

To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the attached drawing in embodiment, to reality The technical solution applied in example is clearly and completely described,

A kind of closed magnetic ignition coil, including iron core 10, the armature winding 20 that is wound on 10 circumferential surface of iron core and axial arranging, The high pressure skeleton 30 that is set in outside armature winding 20, is set in secondary windings at the secondary windings 40 being wound on high pressure skeleton 30 Insulator 60 is led on 40, leads 60 both ends of the surface of insulator and be bonded being fixed with magnetic conductive cover 70 and 10 both ends of the surface of iron core and two magnetic conductive covers 70 paste It closes, forms a closed magnetic circuit.

Clamping between 10 one end of iron core and the magnetic conductive cover 70 of respective end has magnet steel 100, and 100 bias of magnet steel is used, and makes magnetic circuit not It causes in saturation.

70 circumferential surface of magnetic conductive cover is extended with clamping portion 71, and in the present embodiment, clamping portion is 3 and adjacent two clamping portions, 71 angle It is 90 °, leads 60 both ends of the surface of insulator and be correspondingly provided with card slot 62, each clamping portion 71 is embedded in corresponding card slot 62, and realization is led Porcelain lid 70 is located by connecting with insulator 60 is led.

Also comprising the high-head 80 for being fixed on 70 lower section of magnetic conductive cover of 10 lower end surface of iron core, high-head 80 includes a fixing seat Body 81 and the high pressure lead division 82 downwardly convex by 81 middle part of fixed base frame, high pressure lead division 82, which offers, wears high-voltage conducting wires The first conductive paths 822 and the second conductive paths 823, can by high-voltage conducting wires introduce high pressure lead division 82 high pressure lead 821, high pressure lead 821 is to be opened up by high pressure lead division bottom surface for receiving the card interface of spark plug input terminal.

30 lower end surface of high pressure skeleton has extended downwardly a leading part 33 close to edge, and leading part 33 offers fairlead 331, magnetic conductive cover 70 and 81 edge of fixed base frame open up jagged 71/811 accordingly, and notch 71/811 can wear leading part 33 Out and expose.

30 upper and lower end faces edge of high pressure skeleton is axially outwardly extended with multiple upper clip-connecting rods 342 and lower clip-connecting rod 341, Fixed base frame 81 and magnetic conductive cover 70 offer 83 He of fixed base frame location hole being inserted into for upper clip-connecting rod 342 and lower clip-connecting rod 341 Magnetic conductive cover location hole 72, upper clip-connecting rod 342 and lower clip-connecting rod 341 are inserted into the magnetic conductive cover positioned at high pressure skeleton upper end magnetic conductive cover respectively Location hole 72 and fixed base frame location hole 83, magnetic conduction on the fixed base frame 81 and magnetic conductive cover 70 of 30 lower end of high pressure skeleton In lid location hole 72, fixed base frame 81 and magnetic conductive cover 70 are positioned and connected, after positioning and connecting, makes magnetic conductive cover 70 just It is aligned with the notch 71/811 of fixed base frame 81 with leading part 33, to wear leading part 33 without adjustment after assembly in place Out and exposure, reduction assembly difficulty improve assembly efficiency and convenience.

In the present embodiment, magnetic conductive cover 70 is formed using the silicon steel plate stacking of 4 0.5mm.

The high-voltage end of secondary coil 40 penetrates the fairlead 331 by leading part 33, and passes through the first conductive paths 822 and the The high pressure lead 821 of high pressure lead division 82 is introduced into after two conductive paths 823.

Iron core 10 is being arranged with lug plate 90 close to end side thereon, and lug plate 90 is symmetrically arranged with wire connecting portion 94, wiring Portion 94 offers connecting groove 941, and the lead-out wire of primary coil 20 first connects after 1-2 circle with outside line in connecting groove 941 It connects, lug plate 90 prevents it around the axial rotation of iron core 10 by limiting device limit.

Specifically, limiting device includes the protrusion that 90 opposite sides of lug plate is arranged in and the first limit of 90 circumferential surface of lug plate Position portion 92 and the second limiting section 93 and the first limiting slot 311 and the second limiting slot 312 for being provided with 30 inner peripheral surface of high pressure skeleton Composition, after lug plate 90 assembles, the first limiting section 92 and the second limiting section 93 are caught in the first limiting slot 311 and the second limiting slot In 312, so that lug plate 90 be inhibited to rotate.

Iron core 10 is being arranged with lug plate 90 close to end side thereon, and there is 30 lower end of high pressure skeleton an internal diameter to be slightly larger than iron core The limit hole 32 of 10 diameters, iron core 10 are inserted into the limit hole 32, and such iron core 10 is by the lug plate 90 of upper end and lower end Limit hole 32 it is radially limited, make it easy to fixed and positioned, iron core is with good stability after assembly, while structure It is simpler.

It further include being sheathed on secondary windings 40 and leading the casing 50 between insulator 60,30 both ends circumferential surface of high pressure skeleton radially prolongs Stretch out and be used to support the first support ring 35 and the second support ring 36 of 50 internal diameter of casing, the partition of casing 50 in secondary coil 40 and It leads between insulator 60, for improving secondary coil 40 and leading the insulation performance between insulator 60.

In order to make to prevent to lead to primary short because leading 60 closed loop of insulator, leads insulator 60 and be set as open loop, in addition, open loop is led Insulator 60 can also make high-voltage output end and 60 insulation distance of flux sleeve enough.

In the present embodiment, it is preferred that lug plate 90, casing 50,80 material of high-head are nylon, specially enhanced Buddhist nun Dragon 66.

30 material of high pressure skeleton is PBT.

Leading insulator 60 is that 2 0.5mm silicon steel plate stackings roll.

Iron core 10, which uses, orientating type silicon steel sheet.

Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model Within the scope of.

Claims (10)

1. a kind of closed magnetic ignition coil, including iron core, the armature winding that is wound on iron core circumferential surface and axial arranging, it is set in just High pressure skeleton outside grade winding, is arranged insulator of leading on the secondary winding, feature at the secondary windings being wound on high pressure skeleton Be: it is described lead insulator both ends of the surface and be bonded be fixed with magnetic conductive cover and the iron core both ends of the surface are bonded with two magnetic conductive covers.

2. a kind of closed magnetic ignition coil according to claim 1, it is characterised in that: described iron core one end and respective end Clamping between magnetic conductive cover has magnet steel.

3. a kind of closed magnetic ignition coil according to claim 1, it is characterised in that: the magnetic conductive cover circumferential surface is extended with card Socket part, the insulator both ends of the surface of leading are correspondingly provided with multiple card slots, and the clamping portion is embedded in the card slot.

4. a kind of closed magnetic ignition coil according to claim 1, it is characterised in that: also comprising being fixed on iron core lower end surface Magnetic conductive cover below high-head, the high-head includes a fixed base frame and by downwardly convex high pressure in the middle part of fixed base frame Lead division, the high pressure lead division offer the conductive paths for wearing high-voltage conducting wires, high-voltage conducting wires can be introduced high pressure lead division High pressure lead.

5. a kind of closed magnetic ignition coil according to claim 4, it is characterised in that: the high pressure skeleton both ends of the surface edge Multiple clip-connecting rods are axially outwardly extended with, the fixed base frame and magnetic conductive cover offer the positioning for clip-connecting rod insertion Hole.

6. a kind of closed magnetic ignition coil according to claim 1, it is characterised in that: high pressure skeleton lower end surface is close Edge has extended downwardly a leading part, and the leading part offers fairlead, and the magnetic conductive cover and fixed base frame edge are homogeneous Opening up for answering is jagged, and leading part can be pierced by and be exposed by notch.

7. a kind of closed magnetic ignition coil according to claim 1, it is characterised in that: the iron core is close to end side thereon Be arranged with lug plate, the lug plate is symmetrically arranged with connecting groove, the lug plate by limiting device limit prevent its around Iron core axially rotates.

8. a kind of closed magnetic ignition coil according to claim 1, it is characterised in that: further include be sheathed on secondary windings and The casing between insulator is led, high pressure skeleton both ends circumferential surface extends radially outward the support ring for being used to support casing inner diameter.

9. a kind of closed magnetic ignition coil according to claim 1, it is characterised in that: high pressure skeleton lower end has one Internal diameter is slightly larger than the limit hole of the iron core diameter, and the iron core is inserted into the limit hole.

10. a kind of closed magnetic ignition coil according to claim 1, it is characterised in that: the insulator of leading is open loop.