CN211150297U

CN211150297U - Ignition coil secondary connection structure

Info

Publication number: CN211150297U
Application number: CN201922467733.7U
Authority: CN
Inventors: 孙达丰
Original assignee: Ningbo Promise Electrical Appliances Co ltd
Current assignee: Ningbo Promise Electrical Appliances Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-31
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an ignition coil secondary connection structure, which comprises an outer shell, locate the secondary coil subassembly in the shell, the secondary coil subassembly includes secondary skeleton and secondary coil, secondary coil is around locating secondary skeleton, the mounting hole has been seted up to the shell, the spliced eye has been seted up to secondary skeleton, it has the lead wire piece to peg graft in the spliced eye, be provided with integrated into one piece's high-voltage terminal between mounting hole and the lead wire piece, high-voltage terminal includes connecting portion, the inserted block and the post of inserting, the one end of connecting portion is located to the inserted block, the other end of connecting portion is located to the post of inserting, the cooperation of inserted block and lead wire piece butt, the cooperation of pegging graft. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization has that the contact conduction performance is better, the difficult skew effect that takes place in position, and can not influence the wire winding quality, and self is also yielding.

Description

Ignition coil secondary connection structure

Technical Field

The utility model relates to an ignition coil technical field, in particular to ignition coil secondary connection structure.

Background

The ignition coil contains two groups of coils, primary coil and secondary coil. The primary coil is wound by a thicker enameled wire, and is usually wound by about 200-; the secondary coil is wound with thinner enameled wires, usually around 15000-. One end of the primary coil is connected with a low-voltage power supply on the vehicle, and the other end of the primary coil is connected with the switching device. One end of the secondary coil is connected with the primary coil, and the other end of the secondary coil is connected with the high-voltage spring and the spark plug outputs high-voltage electricity.

Install the copper sheet on the common secondary coil, the one end of copper sheet is fixed in on the secondary coil, and the other end of copper sheet supports tightly on the terminal of high voltage output end, at secondary coil wire winding in-process, is fixed in the copper sheet on the secondary skeleton, so, wire winding in-process copper sheet can produce and hinder, not only can appear the phenomenon that the copper sheet was bent, still can appear the wire winding quality relatively poor, contact failure's problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ignition coil secondary connection structure adopts integrated into one piece's high-voltage terminal one end to peg graft in the mounting hole, and the other end is pegged graft and is fixed contradicted in the lead wire piece, has the high-voltage terminal difficult deformation, the wire winding quality is better, simple to operate, peg graft firmly and switch on efficient effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an ignition coil secondary connection structure, which comprises an outer shell, locate the secondary coil subassembly in the shell, the secondary coil subassembly includes secondary skeleton and secondary coil, secondary coil is around locating on the secondary skeleton, the mounting hole has been seted up to the shell, the spliced eye has been seted up to the secondary skeleton, it has the lead wire piece to peg graft in the spliced eye, be provided with integrated into one piece's high-voltage terminal between mounting hole and the lead wire piece, high-voltage terminal includes connecting portion, the inserted block and the post of inserting, the one end of connecting portion is located to the inserted block, the other end of connecting portion is located to the post of inserting, the inserted block cooperates with lead wire piece butt.

By adopting the technical scheme, the lead wire piece is firstly inserted into the plug hole of the secondary framework, the secondary coil is wound on the secondary framework to form the secondary coil assembly, then the lead wire piece is welded with the wire end of the secondary coil, the high-voltage terminal is installed in the shell, the plug post of the high-voltage terminal is inserted into the installation hole, then the secondary coil assembly is installed in the shell, and the plug block of the high-voltage terminal is inserted into the plug hole to be abutted against the lead wire piece to form electric conduction. So, for the copper sheet, the high-voltage terminal can not influence the wire winding quality, simple to operate, and self non-deformable, and the plug is inserted and is fixed a position in the mounting hole, compares in the tight mode of copper sheet support, and the contact conduction performance is better, the grafting is more firm, and the position is difficult for taking place the skew.

The utility model discloses a further set up to: the side wall of the inserted column is provided with a step which is matched with the inner wall of the shell in an abutting mode.

Through adopting above-mentioned technical scheme, when inserting the post and pegging graft in the mounting hole, insert and carry on spacingly through the step between post and the mounting hole.

The utility model discloses a further set up to: the lateral wall of the top end of the insertion block is provided with a guide surface.

Through adopting above-mentioned technical scheme, can make the inserted block insert to the spliced eye fast under the guide effect of spigot surface.

The utility model discloses a further set up to: the inner wall of the shell is provided with a support column which is matched with one end of the connecting part provided with the inserting block in an abutting mode.

Through adopting above-mentioned technical scheme, when high-voltage terminal installed in the shell, support the post and not only can play spacing effect when the installation to high-voltage terminal, in addition after the installation, can be fixed in the spliced eye all the time with the inserted block of high-voltage terminal to improve stability.

The utility model discloses a further set up to: be provided with spacing post in the shell, spacing post is located the both sides of the connecting portion of high voltage terminal.

Through adopting above-mentioned technical scheme, spacing post is with the centre gripping of high-voltage terminal connecting portion, can restrict the connecting portion of high-voltage terminal to rock to both sides to a certain extent.

The utility model discloses a further set up to: the shell is provided with an annular groove, and the annular groove and the mounting hole are coaxially arranged.

Through adopting above-mentioned technical scheme, pack resin in the annular groove, improve dielectric strength, prevent to puncture.

The utility model discloses a further set up to: the shell is detachably connected with a low-voltage end shell, the shell is provided with an insertion groove, and the low-voltage end shell is provided with an insertion block which is in insertion fit with the insertion groove.

By adopting the technical scheme, the low-voltage end shell is inserted and fixed in the insertion groove of the shell through the insertion block, so that the low-voltage end shell is convenient to disassemble and assemble.

The utility model discloses a further set up to: the low-voltage end shell is internally provided with a pin which is in plug-in fit with the secondary coil component.

The utility model discloses a further set up to: the high-voltage terminal is a zinc alloy high-voltage terminal.

To sum up, the utility model discloses following beneficial effect has:

1. the plug column at one end of the integrally formed high-voltage terminal is plugged in the mounting hole, and the plug block at the other end of the integrally formed high-voltage terminal is in contact conduction with the lead sheet, so that compared with a way that the copper sheet is tightly propped, the plug column has better contact conduction performance and firmer plug, the position of the plug column is not easy to deviate, and the high-voltage terminal can be mounted after the secondary coil is wound on the secondary framework, so that the winding quality is not influenced, the mounting is convenient, and the high-voltage terminal is not easy to deform;

2. adopt to support post and spacing post to carry on spacingly to high-voltage terminal, can restrict high-voltage terminal's connecting portion to a certain extent and rock to both sides and from top to bottom.

Drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the embodiment.

Fig. 2 is an exploded structural relationship diagram of the embodiment.

Fig. 3 is a sectional view of the embodiment.

Fig. 4 is a schematic diagram of the internal structural relationship of the housing of the embodiment.

In the figure: 1. a housing; 11. inserting grooves; 12. mounting holes; 13. an annular groove; 14. supporting columns; 15. a limiting column; 2. a secondary coil assembly; 21. a secondary framework; 211. inserting holes; 3. a low-voltage end housing; 31. an insertion block; 4. a pin; 5. a high voltage terminal; 51. a connecting portion; 52. inserting a block; 521. a guide surface; 53. inserting a column; 531. a step; 6. a lead sheet; 61. a foot groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

An ignition coil secondary connection structure, as shown in fig. 1 and 2, includes a housing 1, a secondary coil assembly 2 is disposed in the housing 1, the secondary coil assembly 2 includes a secondary bobbin 21 and a secondary coil (not shown), and the secondary coil is wound on the secondary bobbin 21. Can dismantle on the shell 1 and be connected with low pressure end shell 3, inserting groove 11 has been seted up to shell 1, and low pressure end shell 3 is provided with inserting block 31, and inserting block 31 is pegged graft with inserting groove 11 and is cooperated, and low pressure end shell 3 is pegged graft through inserting block 31 and is fixed in inserting groove 11 of shell 1, and the dismouting is more convenient. The low-voltage end shell 3 is internally provided with a pin 4, and the pin 4 is in plug-in fit with the secondary coil assembly 2.

As shown in fig. 2 and 3, the bottom of the housing 1 is provided with a mounting hole 12 and an annular groove 13, the annular groove 13 is coaxially arranged with the mounting hole 12, and the annular groove 13 is filled with resin, so that the insulating strength can be improved, and the breakdown can be prevented. The side wall of the secondary framework 21 is provided with a plug hole 211, a lead sheet 6 is inserted into the plug hole 211, the lead sheet 6 is provided with a foot slot 61, an integrally formed high-voltage terminal 5 is arranged between the mounting hole 12 and the lead sheet 6, and in the embodiment, the high-voltage terminal 5 is a zinc alloy high-voltage terminal. The high-voltage terminal 5 comprises a connecting part 51, an inserting block 52 and an inserting column 53, wherein the inserting block 52 is vertically upwards arranged at the front end of the connecting part 51, the inserting column 53 is vertically downwards arranged at the rear end of the connecting part 51, the inserting block 52 is in inserting fit with the foot groove 61, the inserting column 53 is in inserting fit with the mounting hole 12, a guide surface 521 is arranged on the side wall of the top end of the inserting block 52, and the inserting block 52 can be rapidly inserted into the inserting hole 211 under the guide effect of the guide surface 521. The side wall of the inserting column 53 is provided with a step 531, the step 531 is abutted and matched with the inner wall of the shell 1, and when the inserting column 53 is inserted into the mounting hole 12, the inserting column 53 and the mounting hole 12 are limited through the step 531.

As shown in fig. 2-4, the bottom wall of the housing 1 is provided with a support post 14 and a limiting post 15, the support post 14 is in abutting fit with the bottom surface of the end of the connecting portion 51 provided with the insertion block 31, and the two limiting posts 15 with different heights are located on two sides of the connecting portion 51 of the high-voltage terminal 5. When the high-voltage terminal 5 is installed in the housing 1, the support column 14 can not only play a limiting role in the installation of the high-voltage terminal 5, but also can be fixed in the plug-in hole 211 of the plug-in block 52 of the high-voltage terminal 5 all the time after the installation, so that the stability is improved, the limit column 15 clamps the connecting part 51 of the high-voltage terminal 5, and the connecting part 51 of the high-voltage terminal 5 can be limited from shaking towards two sides to a certain extent.

The utility model discloses a basic operating principle does: when in connection, firstly, the lead sheet 6 is inserted into the insertion hole 211 of the secondary framework 21, the secondary coil is wound on the secondary framework 21 to form the secondary coil assembly 2, then the lead sheet 6 is welded with the wire end of the secondary coil, then the high-voltage terminal 5 is arranged in the shell 1, the insertion column 53 of the high-voltage terminal 5 is inserted into the installation hole 12, then the secondary coil assembly 2 is arranged in the shell 1, and the insertion block 52 of the high-voltage terminal 5 is inserted into the pin groove 61 of the lead sheet 6 to form conduction. So, high-voltage terminal 5 can not influence the wire winding quality, simple to operate, and self non-deformable, inserts post 53 and inserts and fix the position in mounting hole 12, compares in the mode that the copper sheet supported tightly, and the contact conduction performance is better, peg graft more firmly, and the position is difficult for taking place the skew.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides an ignition coil secondary connection structure, includes shell (1), locates secondary coil subassembly (2) in shell (1), secondary coil subassembly (2) are including secondary skeleton (21) and secondary coil, secondary coil around locating on secondary skeleton (21), its characterized in that: the shell (1) is provided with a mounting hole (12), the secondary framework (21) is provided with a splicing hole (211), a lead sheet (6) is inserted in the splicing hole (211), an integrally formed high-voltage terminal (5) is arranged between the mounting hole (12) and the lead sheet (6), the high-voltage terminal (5) comprises a connecting portion (51), an insert block (52) and an insert column (53), the insert block (52) is arranged at one end of the connecting portion (51), the insert column (53) is arranged at the other end of the connecting portion (51), the insert block (52) is in butt joint with the lead sheet (6), and the insert column (53) is in splicing fit with the mounting hole (12).

2. An ignition coil secondary connection structure as claimed in claim 1, wherein: the side wall of the inserted column (53) is provided with a step (531), and the step (531) is matched with the inner wall of the shell (1) in an abutting mode.

3. An ignition coil secondary connection structure as claimed in claim 1, wherein: the side wall of the top end of the insertion block (52) is provided with a guide surface (521).

4. An ignition coil secondary connection structure as claimed in claim 1, wherein: the inner wall of the shell (1) is provided with a support column (14), and the support column (14) is in abutting fit with one end of the connecting part (51) provided with the inserting block (52).

5. An ignition coil secondary connection structure as claimed in claim 1, wherein: the high-voltage terminal is characterized in that a limiting column (15) is arranged in the shell (1), and the limiting column (15) is located on two sides of a connecting portion (51) of the high-voltage terminal (5).

6. An ignition coil secondary connection structure as claimed in claim 1, wherein: an annular groove (13) is formed in the shell (1), and the annular groove (13) and the mounting hole (12) are coaxially arranged.

7. An ignition coil secondary connection structure as claimed in claim 1, wherein: the low-voltage end shell (3) is detachably connected to the shell (1), an insertion groove (11) is formed in the shell (1), an insertion block (31) is arranged on the low-voltage end shell (3), and the insertion block (31) is in insertion fit with the insertion groove (11).

8. An ignition coil secondary connection structure as claimed in claim 7, wherein: a plug pin (4) is arranged in the low-voltage end shell (3), and the plug pin (4) is in plug-in fit with the secondary coil assembly (2).

9. An ignition coil secondary connection structure as claimed in claim 1, wherein: the high-voltage terminal (5) is a zinc alloy high-voltage terminal.