Ignition device with high voltage resistance strength

Abstract

The utility model belongs to the technical field of automobile ignition coils, and particularly relates to an ignition device with high voltage resistance strength, which comprises an ignition coil and a high-voltage connecting rod, and a transition section and a round rod are arranged at the lower end of the ignition coil; the high-voltage connecting rod is integrally made of silicon rubber and comprises a hopper-shaped part and a rod-shaped part, the hopper-shaped part and the rod-shaped part are wrapped outside the transition section and the round rod of the ignition coil respectively, and a plurality of reinforcing ribs are arranged on the outer wall of the rod-shaped part; the technical problems that a traditional ignition device is low in voltage resistance strength, prone to breakdown failure, poor in sealing effect, prone to electric leakage risks and multiple in machining and assembling procedures are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile ignition coils, and in particular relates to an ignition device with high voltage resistance. Background Art

[0002] The car needs a high voltage to start the ignition, but the voltage of the car battery is relatively low and cannot directly generate electric sparks for ignition, so an ignition device is needed. Figure 1 As shown, it includes an ignition coil 1' and a high-voltage connecting rod 2', wherein the high-voltage connecting rod 2' is composed of a first rubber sleeve 21', a plastic hard tube 22', and a second rubber sleeve 23'. This type of ignition device has the following problems: 1) There are many molding molds for the high-voltage connecting rod, and many post-processing steps; 2) The voltage resistance strength of the plastic hard tube is relatively low, and it is easy to break down and fail, resulting in abnormal operation of the ignition device; 3) The bonding firmness of the plastic hard tube and the first rubber sleeve and the second rubber sleeve is not guaranteed, and it is easy to debond, and the joint is difficult to seal tightly, and there is a risk of leakage. Utility Model Content

[0003] The utility model aims to provide an ignition device with high voltage resistance to solve the technical problems in the background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] An ignition device with high voltage resistance strength comprises an ignition coil and a high-voltage connecting rod. The lower end of the ignition coil is provided with a transition section and a round rod. The high-voltage connecting rod is made of silicone rubber in one piece. The high-voltage connecting rod comprises a bucket-shaped portion and a rod-shaped portion. The bucket-shaped portion and the rod-shaped portion are respectively covered on the transition section and the round rod of the ignition coil. A plurality of reinforcing ribs are provided on the outer wall of the rod-shaped portion.

[0006] Furthermore, an annular groove is provided in the rod-shaped portion of the high-voltage connecting rod, and an annular boss is provided on the round rod of the ignition coil, and the annular boss can be stuck in the annular groove.

[0007] Furthermore, the inner wall of the bucket-shaped portion of the high-voltage connecting rod is provided with a plurality of annular grooves.

[0008] Furthermore, the upper end of the bucket-shaped portion of the high-voltage connecting rod extends outward and bends downward to form a circle of folded edges, and a mounting groove for mounting the output voltage terminal is provided on the folded edge.

[0009] Furthermore, four reinforcing ribs are provided, and the four reinforcing ribs are evenly distributed on the outer wall of the rod-shaped portion of the high-voltage connecting rod in the circumferential direction.

[0010] Compared with the prior art, the utility model has the following beneficial technical effects:

[0011] 1. The utility model improves the high-voltage connecting rod of the ignition device into an integrated structure made of silicone rubber. Compared with the traditional three-stage high-voltage connecting rod, it not only improves the voltage resistance and insulation performance of the high-voltage connecting rod, making the high-voltage connecting rod less likely to fail due to breakdown, and ensuring the normal operation of the ignition device, but also reduces the forming mold, processing steps and assembly steps of the high-voltage connecting rod, and eliminates the technical difficulties of the later gluing processing, so that the high-voltage rod has better sealing performance and eliminates the leakage phenomenon that may exist at the joint of the traditional three-stage high-voltage connecting rod.

[0012] 2. By arranging reinforcing ribs on the rod-shaped portion of the high-voltage connecting rod, the assembly strength of the high-voltage connecting rod can be ensured, so that the high-voltage connecting rod has higher strength and is not easily damaged during disassembly and assembly; by arranging an annular groove in the rod-shaped portion, the annular boss of the ignition coil can be accurately positioned and installed in the annular groove, thereby improving the assembly efficiency of the ignition device; by arranging an annular groove in the bucket-shaped portion, during the assembly process, a certain gap is provided between the transition section of the ignition coil and the bucket-shaped portion of the high-voltage connecting rod, thereby reducing the friction between the two, so as to facilitate assembly by workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of a traditional ignition device;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model;

[0015] Figure 3 It is a partial structural sectional view of the utility model;

[0016] Figure 4 for Figure 3 A magnified schematic diagram of center A. DETAILED DESCRIPTION

[0017] The following is further described in detail through specific implementation methods:

[0018] The reference numerals in the drawings of the specification include:

[0019] Ignition coil 1', high voltage connecting rod 2', first rubber sleeve 21', plastic hard tube 22', second rubber sleeve 23';

[0020] Ignition coil 1, transition section 11, round rod 12, annular boss 121;

[0021] High-voltage connecting rod 2, bucket-shaped portion 21, annular groove 211, mounting groove 212, rod-shaped portion 22, annular groove 221, reinforcing rib 23.

[0022] Example

[0023] like Figure 2As shown, an ignition device with high voltage resistance strength includes an ignition coil 1 and a high-voltage connecting rod 2. The lower end of the ignition coil 1 is provided with a transition section 11 and a round rod 12; the high-voltage connecting rod 2 is made of silicone rubber in one piece, and the high-voltage connecting rod 2 includes a bucket-shaped portion 21 and a rod-shaped portion 22, and the bucket-shaped portion 21 and the rod-shaped portion 22 are respectively covered on the transition section 11 and the round rod 12 of the ignition coil 1.

[0024] By improving the high-voltage connecting rod 2 of the ignition device into an integrated structure made of silicone rubber, not only the voltage resistance and insulation performance of the high-voltage connecting rod 2 are improved, making the high-voltage connecting rod 2 less likely to fail due to breakdown, and ensuring the normal operation of the ignition device, but also the forming mold, processing steps and assembly steps of the high-voltage connecting rod 2 are reduced, and there is no technical difficulty in the later gluing processing, so that the high-voltage rod has better sealing performance, and the leakage phenomenon that may exist at the joint of the traditional three-section high-voltage connecting rod 2 is eliminated.

[0025] like Figures 2 to 4 As shown, the inner wall of the bucket-shaped portion 21 is provided with a plurality of annular grooves 211, the upper end of the bucket-shaped portion 21 extends outward and bends downward to form a circle of folded edges, and a mounting groove 212 for mounting the output voltage terminal is formed on the folded edge; an annular groove 221 is formed in the rod-shaped portion 22, and an annular boss 121 is formed on the round rod 12 of the ignition coil 1, and the annular boss 121 can be stuck in the annular groove 221, and a plurality of reinforcing ribs 23 are provided on the rod-shaped portion 22. In this embodiment, four reinforcing ribs 23 are provided, and the four reinforcing ribs 23 are evenly distributed circumferentially on the outer wall of the rod-shaped portion 22.

[0026] By providing reinforcing ribs 23 on the rod-shaped portion 22, the assembly strength of the high-voltage connecting rod 2 can be ensured, so that the high-voltage connecting rod 2 has high strength and is not easily damaged during the disassembly and assembly process; by providing an annular groove 221 in the rod-shaped portion 22, the annular boss 121 of the ignition coil 1 can be accurately positioned and installed in the annular groove 221, thereby improving the assembly efficiency of the ignition device; by providing an annular groove 211 in the bucket-shaped portion 21, during the assembly process, a certain gap is provided between the transition section 11 of the ignition coil 1 and the bucket-shaped portion 21 of the high-voltage connecting rod 2, thereby reducing the friction between the two, so as to facilitate the assembly of workers.

[0027] The above is only an embodiment of the utility model, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. An ignition device with high voltage resistance, comprising an ignition coil and a high voltage connecting rod, characterized in that: A transition section and a round rod are provided at the lower end of the ignition coil; the high-voltage connecting rod is made of silicone rubber in one piece, and the high-voltage connecting rod includes a bucket-shaped portion and a rod-shaped portion, which are respectively covered on the transition section and the round rod of the ignition coil, and a plurality of reinforcing ribs are provided on the outer wall of the rod-shaped portion.

2. An ignition device with high withstand voltage strength according to claim 1, characterized in that: An annular groove is arranged in the rod-shaped portion of the high-voltage connecting rod, and an annular boss is arranged on the round rod of the ignition coil, and the annular boss can be clamped in the annular groove.

3. An ignition device with high withstand voltage strength according to claim 1, characterized in that: The inner wall of the bucket-shaped portion of the high-voltage connecting rod is provided with a plurality of annular grooves.

4. An ignition device with high withstand voltage strength according to claim 3, characterized in that: The upper end of the bucket-shaped portion of the high-voltage connecting rod extends outward and bends downward to form a circle of folded edges, and a mounting groove for mounting the output voltage terminal is provided on the folded edge.

5. An ignition device with high withstand voltage strength according to any one of claims 1 to 4, characterized in that: There are four reinforcing ribs, which are evenly distributed on the outer wall of the rod-shaped portion of the high-voltage connecting rod in the circumferential direction.

Images