CN108933022B - Ignition coil with stable structure - Google Patents

Abstract

The invention discloses an ignition coil with a stable structure, which includes a primary coil, a secondary coil, an iron core, a first baffle, a second baffle, a blocking ring, a first limiting ring, a second limiting ring, and a conductive cap. , an insulating first baffle is fixed at the top of the primary coil, an iron core is fixed at the center of the bottom of the first baffle, and a first limiting ring and a second limiting ring are provided at the bottom of the first baffle, The first limiting ring and the second limiting ring are concentric with the iron core. The diameter of the first limiting ring is smaller than the diameter of the second limiting ring. The first limiting ring and the second limiting ring form a fixed groove. The secondary coil is located in the area surrounded by the primary coil, the secondary coil surrounds the iron core, and the top of the secondary coil is embedded in the fixed slot. In the present invention, by embedding the top end of the secondary coil in the fixing groove, the secondary coil is not easy to loosen, and the structure between the secondary coil and the primary coil is relatively stable and difficult to be damaged.

Description

A structurally stable ignition coil

【Technical field】

The present invention relates to the technical field of automobiles, in particular to the technical field of ignition coils.

【Background technique】

The ignition coil is an important part of the car and is mainly used in the engine. The car will inevitably produce vibrations during operation, causing the ignition coil to also vibrate. The existing ignition coil is prone to loosening when vibration occurs, making the ignition coil easily damaged.

[Content of the invention]

The purpose of the present invention is to solve the problems in the prior art and provide an ignition coil with a stable structure, which can make the ignition coil structure stable and not easily damaged.

In order to achieve the above object, the present invention proposes an ignition coil with a stable structure, including a primary coil, a secondary coil, an iron core, a first baffle, a second baffle, a blocking ring, a first limiting ring, and a second limiting ring. position ring, conductive cap, an insulating first baffle is fixed on the top of the primary coil, an iron core is fixed on the center of the bottom of the first baffle, a first limiting ring and a first limiting ring are provided on the bottom of the first baffle. Two limit rings, the first limit ring and the second limit ring are concentric with the iron core, the diameter of the first limit ring is smaller than the diameter of the second limit ring, the first limit ring and the second limit ring form a Fixed slot, the secondary coil is located in the area surrounded by the primary coil, the secondary coil surrounds the iron core, the top of the secondary coil is embedded in the fixed slot, and an insulating second baffle is provided at the bottom of the secondary coil. A conductive cap electrically connected to the secondary coil is fixed at the bottom of the secondary coil. An insulating barrier ring is fixed at the bottom of the primary coil, and the barrier ring is placed on the secondary coil.

Preferably, the first baffle and the blocking ring are both provided with a number of heat dissipation holes.

Preferably, the inner wall of the blocking ring is an elastic layer.

Preferably, the secondary coil and the first blocking ring are fixed through a threaded connection.

Preferably, the inner wall of the second blocking ring is provided with a number of hemispherical protrusions, and the outer wall of the secondary coil is provided with a circle of slots that match the protrusions.

Preferably, the bottom of the first baffle is provided with a mounting hole, and the top of the iron core is embedded in the mounting hole.

Preferably, the distance between the bottom of the first baffle and the top of the second baffle is smaller than the length of the iron core.

Beneficial effects of the present invention: In the present invention, by embedding the top end of the secondary coil in the fixed groove, the secondary coil is not easy to loosen, so that the structure between the secondary coil and the primary coil is relatively stable and difficult to be damaged; the first baffle cooperates with the second The second baffle prevents the iron core from loosening easily and makes the structure of the ignition coil more stable.

The features and advantages of the present invention will be described in detail through the embodiments and the accompanying drawings.

[Picture description]

Figure 1 is a front view of a structurally stable ignition coil of the present invention;

Figure 2 is a partial schematic diagram of a structurally stable ignition coil according to the present invention.

In the picture: 1-primary coil, 2-secondary coil, 3-iron core, 10-mounting hole, 11-first baffle, 12-heat dissipation hole, 13-blocking ring, 14-elastic layer, 15-first Limiting ring, 16-second limiting ring, 17-protrusion, 21-second baffle, 22-conductive cap, 27-card slot.

【Detailed ways】

Referring to Figures 1 and 2, a structurally stable ignition coil of the present invention includes a primary coil 1, a secondary coil 2, an iron core 3, a first baffle 11, a second baffle 21, a blocking ring 13, a first limiter The position ring 15, the second limiting ring 16, the conductive cap 22, an insulating first baffle 11 is fixed on the top of the primary coil 1, and an iron core 3 is fixed in the center of the bottom of the first baffle 11. The bottom of the baffle 11 is provided with a first limiting ring 15 and a second limiting ring 16. The first limiting ring 15 and the second limiting ring 16 are concentric with the iron core 3. The diameter of the first limiting ring 15 is smaller than that of the second limiting ring 15. The diameter of the two limiting rings 16, the first limiting ring 15 and the second limiting ring 16 form a fixed groove, the secondary coil 2 is located in the area surrounded by the primary coil 1, and the secondary coil 2 surrounds the iron core 3 , the top end of the secondary coil 2 is embedded in the fixed groove, the bottom of the secondary coil 2 is provided with an insulating second baffle 21, and the bottom of the secondary coil 2 is fixed with a conductive cap 22 electrically connected to the secondary coil 2 , an insulating barrier ring 13 is fixed at the bottom of the primary coil 1, and the barrier ring 13 is placed on the secondary coil 2. A number of heat dissipation holes 12 are provided on both the first baffle 11 and the barrier ring 13. The inner wall of the ring 13 is an elastic layer 14. The secondary coil 2 and the first blocking ring 13 are fixed by threaded connection. The inner wall of the second blocking ring 13 is provided with a number of hemispherical protrusions. 17. The outer wall of the secondary coil 2 is provided with a circle of slots 27 that matches the protrusions 17. The bottom of the first baffle 11 is provided with a mounting hole 10, and the top of the iron core 3 is embedded in the mounting hole 10, so The distance between the bottom of the first baffle 11 and the top of the second baffle 21 is less than the length of the iron core 3 .

Working process of the present invention:

During the working process of the ignition coil with a stable structure according to the present invention, the top end of the secondary coil 2 is embedded in the fixed groove, so that the secondary coil 2 is not easy to loosen, and the structure between the secondary coil 2 and the primary coil 1 is relatively stable and not easy to loosen. Damage; the first baffle 11 cooperates with the second baffle 21 to prevent the iron core 3 from loosening, making the structure of the ignition coil more stable.

The above embodiments are illustrative of the present invention, not limitations of the present invention. Any simple transformation of the present invention belongs to the protection scope of the present invention.

Claims (3)

1. An ignition coil with a stable structure, characterized by: including a primary coil (1), a secondary coil (2), an iron core (3), a first baffle (11), a second baffle (21), Blocking ring (13), first limiting ring (15), second limiting ring (16), conductive cap (22), and an insulating first baffle (11) fixed on the top of the primary coil (1) , an iron core (3) is fixed at the center of the bottom of the first baffle (11), and a first limit ring (15) and a second limit ring (16) are provided at the bottom of the first baffle (11), The first limit ring (15) and the second limit ring (16) are concentric with the iron core (3). The diameter of the first limit ring (15) is smaller than the diameter of the second limit ring (16). The position ring (15) and the second limiting ring (16) form a fixed groove, the secondary coil (2) is located in the area surrounded by the primary coil (1), and the secondary coil (2) surrounds the iron core (3 ), the top end of the secondary coil (2) is embedded in the fixed slot, an insulating second baffle (21) is provided at the bottom of the secondary coil (2), and an insulated second baffle (21) is fixed at the bottom of the secondary coil (2) The coil (2) is electrically connected to a conductive cap (22). An insulating barrier ring (13) is fixed at the bottom of the primary coil (1), and the barrier ring (13) is placed on the secondary coil (2). The first baffle (11) and the blocking ring (13) are both provided with a number of heat dissipation holes (12). The inner wall of the blocking ring (13) is an elastic layer (14), and the second limiting ring (14) The inner wall of the secondary coil (2) is provided with a number of hemispherical protrusions (17), and the outer wall of the secondary coil (2) is provided with a circle of slots (27) matching the protrusions (17). 2. A structurally stable ignition coil according to claim 1, characterized in that: a mounting hole (10) is provided at the bottom of the first baffle (11), and the top of the iron core (3) is embedded in the mounting hole. (10) within. 3. A structurally stable ignition coil according to claim 2, characterized in that: the distance between the bottom of the first baffle (11) and the top of the second baffle (21) is smaller than the iron core (3) length.