Pressure-resistant and heat-resistant ignition coil

Abstract

The ignition coil comprises a shell, a plug cover and a reinforcing supporting cylinder, the plug cover is arranged at an opening in the top of the shell, two supporting seats which are symmetrical around the center are arranged on the surface of the plug cover, binding posts are arranged in inner holes of the supporting seats, a conical supporting part protruding upwards is arranged in the middle of the plug cover, and the reinforcing supporting cylinder is arranged in the conical supporting part. An inner hole of the conical supporting part is a high-voltage jack, the interior of the shell is used for installing the electromagnetic conversion mechanism, the shell is cylindrical, the reinforcing supporting cylinder covers the outer side of the electromagnetic conversion mechanism and is arranged opposite to the interior and the exterior of the shell, and an iron core of the electromagnetic conversion mechanism penetrates through an inner hole of a top plate of the reinforcing supporting cylinder. The outer circumferential face of the reinforcing supporting barrel is provided with the arc-shaped protrusions, the arc-shaped protrusions make contact with the inner wall of the shell, additional mechanical support is provided, the shell of the ignition coil is more stable when subjected to external force or vibration, the risk of damage caused by mechanical impact is reduced, and the pressure resistance is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to ignition coil technical field, concretely is a kind of pressure-resistant and heat-resistant ignition coil. BACKGROUND

[0002] The necessity of the design of pressure-resistant and heat-resistant ignition coil is mainly due to the high requirements of automobile engine on the performance of ignition system. In modern cars, the efficiency and performance of the engine are directly affected by the working state of the ignition system. As the core component of the ignition system, the performance stability of the ignition coil is crucial to ensure the efficient and reliable operation of the engine. With the progress of engine technology, higher requirements are placed on the pressure resistance and heat resistance of the ignition coil to adapt to higher working temperature and voltage. Therefore, designing pressure-resistant and heat-resistant ignition coil is a necessary measure to improve the performance and reliability of the automobile. SUMMARY

[0003] To solve the above technical problems, the utility model relates to a kind of pressure-resistant and heat-resistant ignition coil, the structure is simple, reliable, effectively solves the above technical problems, is suitable for use, to realize the above purpose, the utility model is realized by the following technical scheme:

[0004] A kind of pressure-resistant and heat-resistant ignition coil, including shell, plug cover, reinforcing support cylinder, the plug cover is arranged at the top opening of shell, the surface of plug cover is equipped with two support seats around center symmetry, the inner hole of support seat is equipped with binding post, the middle part of plug cover is equipped with the conical support part projecting upwards, the inner hole of conical support part is high-voltage jack, the inside of shell is used to install electromagnetic conversion mechanism, the shell is cylindrical, the reinforcing support cylinder cover is arranged on the outside of electromagnetic conversion mechanism and is arranged opposite inside and outside shell, the core of electromagnetic conversion mechanism then passes through the inner hole of the top plate of reinforcing support cylinder, the outer circumferential surface of reinforcing support cylinder is equipped with arc protrusion, and the arc protrusion is in contact with the inner wall of shell.

[0005] On the basis of the above scheme and as a preferred scheme of the above scheme: the arc protrusion has several, and the several arc protrusions are evenly arranged around the circumferential surface of reinforcing support cylinder.

[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: the top of shell is equipped with U-shaped bayonet with opening inside, and the outer periphery of main support disc of plug cover is mutually clamped with the U-shaped bayonet of shell.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: the outer circumferential surface of krypton body is equipped with reinforcing rib.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the reinforcing rib is arranged along the surface of shell in continuous spiral shape.

[0009] As a preferred scheme of the above scheme, the shell is made of polybutylene terephthalate material.

[0010] The beneficial technical effects of the present application are as follows: the high-performance material such as polybutylene terephthalate (PBT) is used, the heat resistance of the material enables the ignition coil to work stably in a high-temperature environment, prevents performance degradation or damage caused by overheating, the spiral reinforcing ribs on the shell and the reinforcing support cylinder design enhance the structural stability of the ignition coil, enable the ignition coil to withstand greater mechanical pressure and vibration, prolong the service life of the product, the support design of the reinforcing support cylinder on the shell forms a double-layer structure, provides additional mechanical support, makes the shell of the ignition coil more stable when subjected to external force or vibration, reduces the risk of damage caused by mechanical impact, and enhances the pressure resistance. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is an external structure diagram of the ignition coil;

[0012] Figure 2 is a schematic diagram of an electromagnetic conversion mechanism;

[0013] Figure 3 is a schematic diagram of a reinforcing support cylinder;

[0014] Figure 4 is a schematic diagram of a reinforcing rib structure. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiments will be described clearly and completely in combination with the drawings in the embodiments. However, the following specific embodiments and examples are only for the purpose of illustration, and are not a limitation on the present application.

[0016] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the drawings shown in the accompanying drawings, and is only for the purpose of describing the present application, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Figure 1 In the description of the present application, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated.

[0017]

[0018] ​To solve the above technical problems, as shown in Figures 1-4 The utility model discloses a pressure -resistant heat -resistant ignition coil, including casing 1, plug cover 2, reinforcing support cylinder 3, plug cover 2 sets up at the top opening of casing 1, the surface of plug cover 2 is equipped with two support seat 4 around the center symmetry, the inner hole of support seat 4 is equipped with binding post 5, and binding post 5 can be stably installed on ignition coil, and the stability of electrical connection is ensured, the middle part of plug cover 2 is equipped with the conical support part 6 that protrudes upwards, the inner hole of conical support part 6 is high -voltage jack, and this structure design makes high -voltage wire can stably connect to ignition coil, provides a reliable high -voltage electric transmission path, the inside for installing electromagnetic conversion mechanism 7 of casing 1, the electromagnetic conversion mechanism 7 including core, primary coil and secondary coil etc, and they constitute the electromagnetic conversion core of ignition coil, and primary coil receives low -voltage current from battery, and high -voltage current is generated in secondary coil through electromagnetic induction, casing 1 is cylindrical, reinforcing support cylinder 3 covers and is located with the inside and outside opposite of casing 1 outside electromagnetic conversion mechanism 7, and plug cover 2 presses in the upper of reinforcing support cylinder 3, and the core of electromagnetic conversion mechanism 7 then passes from the inner hole of the top board of reinforcing support cylinder 3, of course reinforcing support cylinder 3's top board still is equipped with the hole position of passing through for coil wiring to avoid interference, according to actual situation setting not shown in the drawing, the outer periphery of reinforcing support cylinder 3 is equipped with arc protruding 8, and arc protruding 8 contacts with the inner wall of casing 1, and this double -deck structure design enhances the mechanical strength of ignition coil, protects internal electromagnetic conversion mechanism 7 from external impact, also helps to disperse heat simultaneously, improves the heat -resistant performance of ignition coil, and the outer periphery of reinforcing support cylinder 3 is equipped with arc protruding 8, and arc protruding 8 contacts with the inner wall of casing 1, and this design helps to strengthen the fixation between reinforcing support cylinder 3 and casing 1, in addition, arc protruding 8 has several, and several arc protruding 8 are evenly arranged around the circumference of reinforcing support cylinder 3, and arc protruding 8 also plays the role of supporting casing 1, and this design enhances the overall structural stability of ignition coil, especially when being subjected to external pressure or vibration, arc protruding 8 can disperse pressure, reduce the risk of casing 1 deformation, thereby protecting internal electromagnetic conversion mechanism 7 from damage, improve the stability and pressure -resistant performance of overall structure.

[0019] Further, the top of the casing 1 is provided with an opening inward U-shaped bayonet 9, the main body support disc outer periphery of plug cover 2 and the U-shaped bayonet 9 of casing 1 are mutually clamped, this design provides a simple and effective fixing method, ensure that plug cover 2 is firmly fixed on casing 1, this close cooperation not only improves the sealing property of ignition coil, prevents dust and moisture from entering, also enhances the stability and reliability of ignition coil in various environments.

[0020] Further, the outer circumferential surface of the krypton body is provided with reinforcing ribs 10 arranged in a continuous spiral shape along the surface of the shell 1, which significantly improves the structural strength and pressure resistance of the shell 1, and the spiral reinforcing ribs 10 can more effectively disperse and resist external pressure, reduce the deformation of the shell 1 under high pressure working conditions, and also improve the resistance of the ignition coil to vibration and impact, prolong the service life of the product.

[0021] Further, the shell 1 is made of polybutylene terephthalate material, which is known for its excellent heat resistance, chemical resistance and mechanical strength, and the application of this material enables the ignition coil to work stably in high temperature and high pressure environment, while having good electrical insulation performance, reducing the risk of electrical failure, and the aging resistance of PBT also helps the ignition coil to maintain stable performance during long-term use, improving the reliability and durability of the product.

[0022] It is worth noting that the iron core, terminal post, coil and other technical features in the electromagnetic conversion mechanism involved in the present utility model patent application should be regarded as prior art, and the specific structure, working principle and possible control method and spatial arrangement method of these technical features can be selected by using conventional methods in the art, and should not be regarded as the invention point of the present utility model patent, and the present utility model patent will not be further expanded and described in detail.

[0023] The above embodiments are only preferred embodiments of the present utility model, and do not limit the protection scope of the present utility model, therefore: equivalent changes made by those skilled in the art according to the structure, shape, principle of the present utility model, etc. should be covered within the protection scope of the present utility model.

Claims

1. A pressure-resistant, heat-resistant ignition coil, characterized by: The utility model relates to a kind of electromagnetic induction charging device, including shell, plug cover, reinforcing support cylinder, the plug cover is set at the top opening of shell, the surface of plug cover is equipped with two support seats around center symmetry, the inner hole of support seat is equipped with binding post, the middle part of plug cover is equipped with the conical support part projecting upwards, the inner hole of conical support part is high-voltage jack, the inside of shell is used to install electromagnetic conversion mechanism, the shell is cylindrical, reinforcing support cylinder cover is set to the outside of electromagnetic conversion mechanism and is set with shell inside and outside opposite, the core of electromagnetic conversion mechanism then passes from the inner hole of reinforcing support cylinder's top plate, the outer circumferential surface of reinforcing support cylinder is equipped with arc protrusion, and the arc protrusion is in contact with the inner wall of shell.

2. The pressure and heat resistant ignition coil of claim 1, wherein: The arc protrusion has several, and the several arc protrusions are evenly arranged around the circumferential surface of the reinforcing support cylinder.

3. A pressure and temperature resistant ignition coil according to claim 2, characterized in that: The top of the shell is provided with a U-shaped socket opening inwardly, and the outer periphery of the main body support disc of the plug cover is engaged with the U-shaped socket of the shell.

4. The pressure and temperature resistant ignition coil of claim 3, wherein: The outer periphery of the shell is provided with a reinforcing rib.

5. A pressure and temperature resistant ignition coil according to claim 4, characterized in that: The reinforcing rib is arranged in a continuous spiral shape along the surface of the shell.

6. A voltage and temperature resistant ignition coil according to claim 5, characterized in that: The shell is made of polybutylene terephthalate material.

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