CN216957721U

CN216957721U - Automobile ignition coil capable of suppressing electromagnetic interference

Info

Publication number: CN216957721U
Application number: CN202220592174.1U
Authority: CN
Inventors: 刘周翔; 周振辉
Original assignee: Ruian V Bright Auto Fittings Co ltd
Current assignee: Ruian V Bright Auto Fittings Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-12
Anticipated expiration: 2032-03-17

Abstract

The utility model relates to the technical field of automobile ignition coils, in particular to an automobile ignition coil capable of inhibiting electromagnetic interference, which comprises a shell, wherein the bottom end in the shell is provided with a base, a coil frame is arranged in the shell, an iron core is arranged in the coil frame, a secondary coil is arranged on the iron core, a primary coil is arranged outside the coil frame, sliding sleeves are arranged on two sides of the bottom of the coil frame, when an ignition coil is assembled, the coil frame slides out of the shell through the sliding sleeves, a sliding rod is fixed, the coil frame can slide out of the shell, the coil frame can be prevented from being separated from the shell, then the secondary coil is wound on the iron core, the primary coil is wound outside the coil frame, then a fixing cover is installed on the coil frame through screws, the iron core is prevented from shaking off the coil frame, the stability is improved, and then the coil frame is pushed into the shell, and the end cover is buckled on the shell, so that the ignition coil is installed, and the convenience in the installation process is improved.

Description

Automobile ignition coil capable of suppressing electromagnetic interference

Technical Field

The utility model relates to the technical field of automobile ignition coils, in particular to an automobile ignition coil capable of inhibiting electromagnetic interference.

Background

In an automotive engine ignition system, an ignition coil provides an actuating member that ignites an air and fuel mixture in an engine cylinder to provide ignition energy. The ignition coil uses the principle of electromagnetic induction, after the voltage of the storage battery is supplied to the primary coil for magnetizing and storing energy, the current is cut off instantly, the secondary coil generates electromagnetic induction immediately, and the effect of multiplying the number of turns of the coil is used for generating extremely high voltage.

However, when the existing automobile ignition coil is used, the assembly cost is high, the installation efficiency is low, the practicability is strong, and the function of inhibiting electromagnetic interference is not provided in the use process.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the automobile ignition coil capable of inhibiting electromagnetic interference, which has strong practicability and simple structure.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the automobile ignition coil capable of inhibiting electromagnetic interference includes one casing, one base set in the bottom of the casing, a coil frame is arranged in the shell, an iron core is arranged in the coil frame, a secondary coil is arranged on the iron core, a primary coil is arranged outside the coil frame, sliding sleeves are arranged on two sides of the bottom of the coil frame, fixed sliding rods are arranged on two sides inside the shell, the top end of the coil frame is provided with a fixed cover, the fixed cover is provided with a screw, the top end of the shell is provided with an end cover, the top end of the end cover is provided with a connecting plug, one side in the base is provided with a connecting plate, one end of the connecting plate penetrates through the shell, one side of the connecting plate is positioned in the middle of the base, an installation groove is arranged inside the top end of the connecting plate, the iron core bottom is provided with the connector, connector and iron core fixed connection, connector one end is supported in the mounting groove.

In order to improve the convenience of installing the coil frame, the utility model improves that the sliding sleeve is fixedly connected with the coil frame, the sliding sleeve is arranged on the fixed sliding rod, and a plurality of fixed sliding rods and a plurality of sliding sleeves are arranged.

In order to improve the stability of the iron core, the utility model improves that through holes are arranged in two sides of the top end of the fixing cover, a threaded hole is arranged in the top end of the coil frame, and one end of the screw penetrates through the through hole and is connected with the threaded hole.

In order to improve the installation anastomosis effect of the iron core, the utility model has the improvement that the bottom end in the end cover is provided with a clamping groove, and the top end of the iron core is propped against the clamping groove.

In order to improve the practicability of the shell, the utility model improves that the outer surface of the shell is provided with a heat insulation layer which is made of polypropylene fiber materials.

In order to improve the use effect of the device, the utility model has the improvement that the base is made of ceramic materials, and the connecting plate is made of metal materials.

(III) advantageous effects

Compared with the prior art, the utility model provides the automobile ignition coil capable of inhibiting electromagnetic interference, which has the following beneficial effects:

this can restrain electromagnetic interference formula car ignition coil, when assembling ignition coil, pass through the sliding sleeve with the coil former in the shell roll-off, and the setting of fixed slide bar, when making the coil former can the roll-off shell, also can avoid coil former and shell to break away from, then with secondary winding on the iron core, primary winding is outside at the coil former, then pass through the mounting screw with fixed lid on the coil former, avoid the iron core to rock at the coil former and drop, improve stability, then impel the coil former in the shell, and detain the end cover on the shell, realize ignition coil's installation, improve the convenience in the installation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

in the figure: 1. a housing; 2. a base; 3. a coil frame; 4. an iron core; 5. a secondary coil; 6. a primary coil; 7. fixing the sliding rod; 8. a sliding sleeve; 9. a fixed cover; 10. a screw; 11. an end cap; 12. a card slot; 13. a connecting plug; 14. a thermal insulation layer; 15. a connecting plate; 16. mounting grooves; 17. a connecting head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an automobile ignition coil capable of suppressing electromagnetic interference includes a housing 1, a base 2 is disposed at the bottom end inside the housing 1, a bobbin 3 is disposed inside the housing 1, an iron core 4 is disposed inside the bobbin 3, a secondary coil 5 is disposed on the iron core 4, a primary coil 6 is disposed outside the bobbin 3, sliding sleeves 8 are disposed at two sides of the bottom of the bobbin 3, fixed sliding rods 7 are disposed at two sides inside the housing 1, a fixed cover 9 is disposed at the top end of the bobbin 3, a screw 10 is disposed on the fixed cover 9, an end cover 11 is disposed at the top end of the housing 1, a connecting plug 13 is disposed at the top end of the end cover 11, a connecting plate 15 is disposed at one side inside the base 2, one end of the connecting plate 15 penetrates through the housing 1, one side of the connecting plate 15 is located at the middle of the base 2, and an installation groove 16 is disposed inside the top end of the connecting plate 15, iron core 4 bottom is provided with connector 17, connector 17 and iron core 4 fixed connection, connector 17 one end supports in mounting groove 16.

According to the utility model, the sliding sleeve 8 is fixedly connected with the coil frame 3, the sliding sleeve 8 is arranged on the fixed sliding rod 7, and the fixed sliding rods 7 and the sliding sleeve 8 are both provided with a plurality of sliding sleeves, so that the installation effect of the coil frame 3 is improved conveniently.

In the utility model, through holes are arranged in two sides of the top end of the fixing cover 9, a threaded hole is arranged in the top end of the coil frame 3, and one end of the screw 10 penetrates through the through hole and is connected with the threaded hole, so that the stability of the installation of the iron core 4 is improved conveniently.

In the utility model, the bottom end inside the end cover 11 is provided with the clamping groove 12, and the top end of the iron core 4 is abutted in the clamping groove 12, so that the anastomosis effect of the iron core 4 after installation can be improved.

In the utility model, the heat insulation layer 14 is arranged on the outer surface of the shell 1, and the heat insulation layer 14 is made of polypropylene fiber, so that the heat insulation effect of the shell 1 is improved conveniently, and the high temperature generated by an engine cannot influence the inside of the shell 1.

In the utility model, the base 2 is made of ceramic materials, and the connecting plate 15 is made of metal materials, so that the practicability and the anti-electromagnetic interference effect of the ignition coil can be improved.

In summary, the operating principle and the operating process of the electromagnetic interference suppression type automobile ignition coil are that, when the ignition coil is assembled, firstly, the coil frame 3 slides out of the shell 1 through the sliding sleeve 8, the arrangement of the fixed sliding rod 7 enables the coil frame 3 to slide out of the shell 1, and simultaneously, the coil frame 3 can be prevented from being separated from the shell 1, then the secondary coil 5 is wound on the iron core 4, the primary coil 6 is wound outside the coil frame 3, then the fixed cover 9 is installed on the coil frame 3 through the screw 10, the iron core 4 is prevented from shaking and falling off the coil frame 3, the stability is improved, then the coil frame 3 is pushed into the shell 1, the end cover 11 is buckled on the shell 1, the installation of the ignition coil is realized, the convenience in the installation process is improved, after the installation is finished, the bottom end of the iron core 4 is abutted against the installation groove 16 in the top end of the connecting plate 15, and one side setting of connecting plate 15 is outside at shell 1, connecting plate 15 one end is installed on the engine and is connected with the car bonding to make the one end of iron core 4 be in ground connection state, make its electric potential be zero, can not form the emission source and cause the electromagnetic interference to electrical apparatus on every side, improve the practicality, and connecting plate 15 installs on base 2, and base 2 adopts ceramic material, has better insulating effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Can restrain electromagnetic interference formula car ignition coil, its characterized in that: comprises a shell (1), a base (2) is arranged at the bottom end inside the shell (1), a coil frame (3) is arranged inside the shell (1), an iron core (4) is arranged inside the coil frame (3), a secondary coil (5) is arranged on the iron core (4), a primary coil (6) is arranged outside the coil frame (3), sliding sleeves (8) are arranged on two sides of the bottom of the coil frame (3), fixed sliding rods (7) are arranged on two sides inside the shell (1), a fixed cover (9) is arranged at the top end of the coil frame (3), screws (10) are arranged on the fixed cover (9), an end cover (11) is arranged at the top end of the shell (1), a connecting plug (13) is arranged at the top end of the end cover (11), a connecting plate (15) is arranged on one side inside the base (2), one end of the connecting plate (15) penetrates through the shell (1), connecting plate (15) one side is located base (2) middle department, inside mounting groove (16) of being provided with in connecting plate (15) top, iron core (4) bottom is provided with connector (17), connector (17) and iron core (4) fixed connection, connector (17) one end is supported in mounting groove (16).

2. The automotive ignition coil capable of suppressing electromagnetic interference according to claim 1, characterized in that: sliding sleeve (8) and coil frame (3) fixed connection, sliding sleeve (8) set up on fixed slide bar (7), fixed slide bar (7) all are provided with a plurality ofly with sliding sleeve (8).

3. The automotive ignition coil capable of suppressing electromagnetic interference according to claim 1, characterized in that: through holes are formed in two sides of the top end of the fixing cover (9), threaded holes are formed in the top end of the coil frame (3), and one end of the screw (10) penetrates through the through holes to be connected with the threaded holes.

4. The automotive ignition coil capable of suppressing electromagnetic interference according to claim 1, characterized in that: a clamping groove (12) is formed in the bottom end of the inner portion of the end cover (11), and the top end of the iron core (4) abuts against the inside of the clamping groove (12).

5. The automotive ignition coil capable of suppressing electromagnetic interference according to claim 1, characterized in that: the heat insulation layer (14) is arranged on the outer surface of the shell (1), and the heat insulation layer (14) is made of polypropylene fibers.

6. The automotive ignition coil capable of suppressing electromagnetic interference according to claim 1, characterized in that: the base (2) is made of ceramic materials, and the connecting plate (15) is made of metal materials.