CN220796449U

CN220796449U - Head limiting ignition coil

Info

Publication number: CN220796449U
Application number: CN202322579302.6U
Authority: CN
Inventors: 林琳; 宋静苗; 张鹏
Original assignee: Harbin Dong An Zhiyang Automobile Electric Co ltd
Current assignee: Harbin Dong An Zhiyang Automobile Electric Co ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-04-16
Anticipated expiration: 2033-09-21

Abstract

Head limiting type ignition coil belongs to ignition coil technical field. The upper end of the high-pressure nozzle is provided with a bulge which can be embedded into the high-pressure wiring sheet, the lower end of the high-pressure nozzle is of a hollow structure for being connected with a spark plug, and the outer edge of the hollow structure is provided with a groove and a clamp spring. According to the utility model, the high-voltage nozzle is additionally arranged between the high-voltage wiring sheet and the spark plug, and the two clamping springs are arranged, so that poor contact caused by loosening after the spark plug is connected can be avoided. Because the space of the engine cylinder body of the motorcycle is narrower, the utility model cancels the flanging of the sealing rubber sleeve and changes the flanging into a straight cylinder type. The flanging of the original sealing rubber sleeve can play a limiting role, and after the flanging is canceled, the lower end of the socket is lengthened and a limiting bulge is added in order to prevent the ignition coil from moving in the engine cylinder body. The outer edge of the connecting rubber sleeve is provided with the guide protrusion, so that the ignition coil can be assembled more smoothly.

Description

Head limiting ignition coil

Technical Field

The utility model belongs to the technical field of ignition coils, and particularly relates to a head limiting type ignition coil.

Background

The existing ignition coil is characterized in that the spark plug is directly connected to the secondary framework, so that the problem of poor contact caused by loosening of the spark plug sometimes occurs, and a certain influence is caused on the daily use of the ignition wire.

Disclosure of utility model

The utility model aims to solve the problems and further provides a head limiting type ignition coil.

The technical scheme adopted by the utility model is as follows:

the head limiting ignition coil comprises a plug, and an iron core, a secondary framework, a primary framework, a shell, an inner magnetic conduction cylinder and an outer magnetic conduction cylinder which are arranged on the plug and are sequentially sleeved from inside to outside; the secondary skeleton surface winding secondary enameled wire, both ends are equipped with secondary lug and high-voltage connection piece respectively about the secondary skeleton, secondary lug and high-voltage connection piece are connected with secondary enameled wire upper and lower both ends respectively, primary skeleton surface winding primary enameled wire, embedded connection piece is equipped with three tie points in the plug, and wherein two tie points are connected with primary enameled wire both ends, and remaining one tie point is connected with secondary lug, head spacing formula ignition coil still includes the high-voltage nozzle, high-voltage nozzle upper end is equipped with the bellying and can imbeds in the high-voltage connection piece, and the high-voltage nozzle lower extreme is hollow structure and is used for inserting the spark plug, and this hollow structure outer fringe has set up the recess to be provided with the jump ring.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the high-voltage nozzle is additionally arranged between the high-voltage wiring sheet and the spark plug, and the two clamping springs are arranged, so that poor contact caused by loosening after the spark plug is connected can be avoided.

2. Because the space of the engine cylinder body of the motorcycle is narrower, the utility model cancels the flanging of the sealing rubber sleeve and changes the flanging into a straight cylinder type.

3. The flanging of the original sealing rubber sleeve can play a limiting role, and after the flanging is canceled, the lower end of the plug is lengthened and a limiting bulge is added in order to prevent the ignition coil from moving in the engine cylinder body.

4. The outer edge of the connecting rubber sleeve is provided with the guide protrusion, so that the ignition coil can be assembled more smoothly.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a schematic diagram of the structure of the sealant sleeve of the present utility model;

FIG. 4 is a schematic view of the plug structure of the present utility model;

FIG. 5 is a schematic view of the structure of the connecting rubber sleeve of the present utility model;

FIG. 6 is a schematic view of the installation of the high pressure nozzle of the present utility model;

Wherein: 1. a plug; 2. a wire connection piece; 3. a secondary tab; 4. an epoxy resin; 5. a silica gel pad; 6. an iron core; 7. a secondary skeleton; 8. a secondary enameled wire; 9. a primary skeleton; 10. a primary enameled wire; 11. a housing; 12. an inner magnetic conductive cylinder; 13. sealing the rubber sleeve; 14. an outer magnetic conductive cylinder; 15. a high-voltage wiring sheet; 16. a high pressure nozzle; 17. clamping springs; 18. connecting a rubber sleeve; 19. a signal tab; 20. a power supply tab; 21. an annular protrusion; 22. a limit protrusion; 23. and a guide protrusion.

Detailed Description

For a better understanding of the objects, structures and functions of the present utility model, reference should be made to the following detailed description of the utility model with reference to the accompanying drawings.

Referring to fig. 1 to 6, the head limiting ignition coil of the present utility model comprises a plug 1, and an iron core 6, a secondary framework 7, a primary framework 9, a housing 11, an inner magnetic conductive cylinder 12 and an outer magnetic conductive cylinder 14 which are installed on the plug 1 and are sleeved in sequence from inside to outside; the secondary skeleton 7 surface winding secondary enameled wire 8, both ends are equipped with secondary lug 3 and high-voltage wire 15 respectively about the secondary skeleton 7, and secondary lug 3 and high-voltage wire 15 are connected with both ends about the secondary enameled wire 8 respectively, and primary skeleton 9 surface winding primary enameled wire 10, embedding lug 2 is equipped with three tie points in the plug 1, and wherein two tie points are connected with primary enameled wire 10 both ends, and remaining one tie point is connected with secondary lug 3, its characterized in that: the head limiting ignition coil further comprises a high-voltage nozzle 16, the high-voltage nozzle 16 is used for connecting the high-voltage wiring sheet 15 and the spark plug, a protruding portion is arranged at the upper end of the high-voltage nozzle 16 and can be embedded into the high-voltage wiring sheet 15, the lower end of the high-voltage nozzle 16 is of a hollow structure and is used for being connected with the spark plug, a groove is formed in the outer edge of the hollow structure, clamp springs 17 are arranged on the outer edge of the hollow structure, the number of the groove and the number of the clamp springs 17 are preferably two, and poor contact caused by loosening after the spark plug is connected can be avoided.

The high-pressure nozzle 16 is a high-pressure spool.

As shown in fig. 3, a sealing rubber sleeve 13 is assembled on the outer surface of the outer magnetic conductive cylinder 14, the sealing rubber sleeve 13 is a straight cylinder rubber sleeve, the flanging of the sealing rubber sleeve is omitted, and a plurality of annular protrusions 21 are arranged at the upper end of the outer circumferential surface of the sealing rubber sleeve 13. The flanging of the original sealing rubber sleeve 13 can play a limiting role, and after the flanging is canceled, the lower end of the plug 1 is lengthened and a limiting protrusion 22 is added in order to prevent the ignition coil from moving in the engine cylinder body.

As shown in fig. 5, the connecting rubber sleeve 18 is assembled on the outer surface of the primary framework 9, and a circle of axial guide protrusions 23 are formed on the outer circumferential surface of the connecting rubber sleeve 18, so that the ignition coil can be assembled more smoothly.

As shown in fig. 2, the connection tab 2 includes a signal connection tab 19 and a power connection tab 20, and the power connection tab 20 is provided with two connection points, wherein one connection point and the signal connection tab 19 are respectively connected with two ends of the primary enamel wire 10, and the other connection point is connected with the secondary connection tab 3.

1. The ignition coil structure and the installation method

Component one: two ends of the iron core 6 are respectively provided with a silica gel pad 5, the silica gel pads are arranged in a secondary framework 7, the outer surface of the secondary framework 7 is wound with a secondary enameled wire 8, one end of the secondary enameled wire is connected with the secondary wiring lug 3, and the other end of the secondary enameled wire is connected with a high-voltage wiring lug 15. The above components are installed in the primary framework 9, and the primary enamelled wire 10 is wound around the outer surface of the primary framework 9.

And a second component: the snap springs 17 are arranged in grooves at the lower ends of the high-voltage nozzles 16, the number of the snap springs is two, the snap springs are pressed into the primary framework 9, and the protrusions at the upper ends of the snap springs are arranged in round holes of the high-voltage lugs 15 in the secondary framework 7.

The first component is arranged in the second component, and the outer surface of the shell 11 is sequentially coated with the inner magnetic conductive cylinder 12 and the outer magnetic conductive cylinder 14.

The above components are put into the plug 1, and the signal lug 19 and the power lug 20 are embedded into the plug 1, and the connection positions are three, wherein two positions are respectively connected with two ends of the primary enameled wire 10, and the other position is connected with the secondary lug 3. After the assembly, the gaps were filled with epoxy resin 4.

Finally, a sealing rubber sleeve 13 is assembled on the outer surface of the outer magnetic conduction cylinder 14, and a connecting rubber sleeve 18 is assembled on the outer surface of the primary framework 9.

2. Function of

The power supply firstly supplies power to the primary enameled wire 10 through the signal lug 19 and the power lug 20, and an electromagnetic field is generated in the primary enameled wire 10. After power failure, the electromagnetic field in the primary enameled wire 10 decays rapidly, and induced high-voltage electricity is generated in the secondary enameled wire 8 and is conducted to a spark plug connected with an ignition coil through a high-voltage nozzle 16.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A head limiting type ignition coil comprises a plug (1), and an iron core (6), a secondary framework (7), a primary framework (9), a shell (11), an inner magnetic conduction cylinder (12) and an outer magnetic conduction cylinder (14) which are arranged on the plug (1) and are sequentially sleeved from inside to outside; the utility model provides a secondary skeleton (7) surface winding secondary enameled wire (8), both ends are equipped with secondary lug (3) and high-voltage connection piece (15) respectively about secondary skeleton (7), secondary lug (3) and high-voltage connection piece (15) are connected with secondary enameled wire (8) upper and lower both ends respectively, primary skeleton (9) surface winding primary enameled wire (10), embedding lug (2) are equipped with three tie points in plug (1), and wherein two tie points are connected with primary enameled wire (10) both ends, and remaining one tie point is connected with secondary lug (3), its characterized in that: the head limiting ignition coil further comprises a high-pressure nozzle (16), a protruding portion is arranged at the upper end of the high-pressure nozzle (16) and can be embedded into the high-pressure wiring sheet (15), the lower end of the high-pressure nozzle (16) is of a hollow structure and used for being connected with a spark plug, a groove is formed in the outer edge of the hollow structure, and a clamp spring (17) is arranged on the outer edge of the hollow structure.

2. A head-limited ignition coil as set forth in claim 1, wherein: the outer surface of the outer magnetic conduction cylinder (14) is provided with a sealing rubber sleeve (13), the sealing rubber sleeve (13) is a straight cylinder type rubber sleeve, and the upper end of the outer circumferential surface of the sealing rubber sleeve (13) is provided with a plurality of annular protrusions (21).

3. A head-limited ignition coil as set forth in claim 2, wherein: two limit protrusions (22) are arranged on the plug (1).

4. A head-limited ignition coil as set forth in claim 1, wherein: the outer surface of the primary framework (9) is provided with a connecting rubber sleeve (18), and the outer circumferential surface of the connecting rubber sleeve (18) is provided with a circle of axial guide protrusions (23).

5. A head-limited ignition coil as set forth in claim 1, wherein: the wiring piece (2) comprises a signal wiring piece (19) and a power supply wiring piece (20), wherein the power supply wiring piece (20) is provided with two connecting points, one connecting point and the signal wiring piece (19) are respectively connected with two ends of the primary enameled wire (10), and the other connecting point is connected with the secondary wiring piece (3).

6. A head-limited ignition coil as set forth in claim 1, wherein: two ends of the iron core (6) are respectively provided with a silica gel pad (5).