Spark plug capable of rapidly igniting fuel

Abstract

The utility model provides a spark plug capable of rapidly igniting fuel, which comprises an insulator, a central electrode is pre-embedded in the insulator, a fixing sleeve is mounted on the side wall of the insulator, and a plurality of grounding electrodes are mounted at the bottom end of the fixing sleeve; the side wall of the fixing sleeve is in threaded connection with the threaded sleeve, a combustion chamber is arranged between the threaded sleeve and the fixing sleeve, and the combustion chamber is located in the threaded sleeve; a fixing block is installed on the side wall of the threaded sleeve, and an air inlet groove is obliquely formed in the side wall of the fixing block. The top end of the fixing block is rotationally connected with a partition plate, and the partition plate abuts against the inner side wall of the bottom end of the fixing block. The spark plug capable of rapidly igniting the fuel has the advantages that fuel gas can conveniently enter a combustion chamber, and the fuel can be rapidly ignited.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spark plug, especially to a spark plug of quick ignition fuel. BACKGROUND

[0002] The function of the spark plug is to discharge the pulse high-voltage electricity from the high-voltage lead, break through the air between the two electrodes of the spark plug, and generate an electric spark to ignite the mixed gas in the cylinder.

[0003] The document with the application number 201921361079.5 records a spark plug of an internal combustion engine. The volume of the primary combustion chamber is adjusted by adjusting the combined length of the primary combustion chamber forming unit fixed to the body through the adjusting screw, so the volume of the primary combustion chamber can be adjusted according to the volume of the main combustion chamber of the internal combustion engine, and the combustion speed is controlled. Therefore, it can be applied to internal combustion engines of various volumes.

[0004] However, the above-mentioned patent has certain defects. In the patent, the fuel gas sprayed from the air inlet of the cylinder enters the inside of the primary combustion chamber through the main spray hole and the auxiliary spray hole. The main spray hole and the auxiliary spray hole are located at the bottom end of the primary combustion chamber, and the inner diameter of the main spray hole and the auxiliary spray hole is small, which causes that the gas sprayed from the air inlet cannot quickly fill the inside of the primary combustion chamber, thereby affecting the ignition effect of the primary combustion chamber.

[0005] Therefore, it is necessary to provide a new spark plug of quick ignition fuel to solve the above-mentioned problems. UTILITY MODEL CONTENT

[0006] The technical problem solved by the utility model is to provide a spark plug of quick ignition fuel which is convenient for fuel gas to enter the inside of the combustion chamber and quickly ignites fuel.

[0007] To solve the above-mentioned technical problem, the utility model provides a spark plug of quick ignition fuel, which comprises an insulator, a center electrode embedded in the inside of the insulator, a fixed sleeve installed on the side wall of the insulator, and a plurality of grounding electrodes installed at the bottom end of the fixed sleeve; the side wall of the fixed sleeve is threadedly connected with a screw sleeve, a combustion chamber is arranged between the screw sleeve and the fixed sleeve, and the combustion chamber is located in the inside of the screw sleeve; a fixed block is installed on the side wall of the screw sleeve, and an air inlet groove is arranged on the side wall of the fixed block; a partition plate is rotatably connected to the top end of the fixed block, and the partition plate abuts against the inner side wall of the bottom end of the fixed block.

[0008] Preferably, the side wall of the screw sleeve and the fixed sleeve is fixedly connected with a fixed ring, a plurality of holes are arranged on the surface of the fixed ring, a screw rod penetrates the holes, the side wall of the screw rod is symmetrically threadedly connected with two nuts, and the two ends of the fixed ring on the side wall of the screw sleeve abut against the nuts.

[0009] Preferably, the sidewall of the grounding electrode is in "L" shape structure, and the air inlet groove is located between the two grounding electrodes.

[0010] Preferably, a spray hole is arranged at the middle of the bottom end of the screw sleeve, and the spray hole is in funnel shape structure.

[0011] Preferably, a plurality of sliding grooves are arranged at the bottom end of the screw sleeve in an inclined manner, the sidewall of the sliding groove is in arc shape, and the outlet of the sliding groove is tangent to the sidewall of the screw sleeve.

[0012] Preferably, a limiting block is arranged at the top end of the fixing block in an inclined manner, the limiting block abuts against the sidewall of the partition plate, and one side of the partition plate is arranged in an inclined manner.

[0013] Compared with the related art, the spark plug for quickly igniting fuel has the following beneficial effects:

[0014] The utility model provides a kind of spark plug for quickly igniting fuel, when the combustion gas in the air inlet of cylinder is sprayed into the inside of cylinder, since the air inlet groove is aligned with air inlet, combustion gas is sprayed into the inside of the air inlet groove arranged in an inclined manner, fuel gas pushes the partition plate to rotate and abut against the limiting block, so that fuel gas fills the inside of the combustion chamber quickly through the air inlet groove, when high voltage is connected, electric spark is generated between the center electrode and the grounding electrode, fuel gas in the inside of the combustion chamber is quickly ignited, the gas pressure in the inside of the combustion chamber increases suddenly, the partition plate is pushed to rotate and enter the inside of the fixing block, the air inlet groove is closed, so that the gas after combustion is sprayed out through the spray hole and the sliding groove, thereby fuel in the inside of cylinder is quickly ignited;The sidewall of the sliding groove is in arc shape, and the outlet of the sliding groove is tangent to the sidewall of the screw sleeve, combustion gas moving along the sliding groove does arc motion in the inside of the sliding groove, and finally is sprayed out in the direction tangent to the screw sleeve and enters fuel, so that multiple combustion gas agitates and rushes into fuel in cylinder from different directions, thereby the combustion efficiency of fuel gas in the inside of cylinder is accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic view of a preferred embodiment of the utility model provides a kind of spark plug for quickly igniting fuel;

[0016] Figure 2 It is Figure 1 It is the internal structure schematic view of screw sleeve shown in the drawing;

[0017] Figure 3 It is Figure 1 It is the internal structure schematic view of fixing block shown in the drawing;

[0018] Figure 4 It is Figure 1 It is the screw sleeve structure top view shown in the drawing;

[0019] Figure 5 For Figure 1 The internal structure diagram of the chute is shown.

[0020] The figure mark: 1, insulator, 2, fixed ring, 21, screw rod, 22, nut, 3, screw sleeve, 31, chute, 32, injection hole, 33, combustion chamber, 4, fixed block, 41, air inlet groove, 42, partition, 43, limiting block, 5, fixed sleeve, 51, grounding electrode, 6, center electrode. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings and embodiments.

[0022] Please refer to Figures 1 to 5 , Figure 1 The structure schematic diagram of a preferred embodiment of the spark plug for quickly igniting fuel provided by the utility model is shown. Figure 2 The internal structure diagram of the fixed block is shown. Figure 1 The internal structure diagram of the screw sleeve is shown. Figure 3 The internal structure diagram of the fixed block is shown. Figure 1 The internal structure diagram of the fixed block is shown. Figure 4 The structure top view of the screw sleeve is shown. Figure 1 The structure top view of the screw sleeve is shown. Figure 5 The structure top view of the screw sleeve is shown. Figure 1The shown chute internal structure schematic diagram. Wherein the spark plug of fast ignition fuel includes: insulator 1, the inside of the insulator 1 is embedded with center electrode 6, the side wall of the insulator 1 is installed with fixed sleeve 5, and the bottom end of the fixed sleeve 5 is installed with multiple grounding electrodes 51;The side wall of the fixed sleeve 5 is threadedly connected with the screw sleeve 3, the screw sleeve 3 and the fixed sleeve 5 are provided with combustion chamber 33, the combustion chamber 33 is located in the inside of the screw sleeve 3;The side wall of the screw sleeve 3 is installed with fixed block 4, the side wall of the fixed block 4 is obliquely provided with air inlet groove 41;The top end of the fixed block 4 is rotatably connected with partition plate 42, and the partition plate 42 abuts against the inner side wall of the bottom end of the fixed block 4. The bottom end of the screw sleeve 3 is obliquely provided with multiple chutes 31, the side wall of the chute 31 is arc-shaped, and the outlet of the chute 31 is tangent to the side wall of the screw sleeve 3;When the combustion gas in the cylinder air inlet is sprayed into the inside of the cylinder, because the air inlet groove 41 is aligned with the cylinder air inlet, the combustion gas is sprayed into the obliquely arranged air inlet groove 41, the fuel gas pushes the partition plate 42 to rotate and abut against the limiting block 43, so that the fuel gas fills the inside of the combustion chamber 33 through the air inlet groove 41, when the device is connected to high voltage, the electric spark between the center electrode 6 and the grounding electrode 51 ignites the fuel gas in the inside of the combustion chamber 33, the gas pressure in the inside of the combustion chamber 33 suddenly increases, pushing the partition plate 42 to rotate and enter the inside of the fixed block 4, closing the air inlet groove 41, so that the burned gas is sprayed out through the injection hole 32 and the chute 31, thereby quickly igniting the fuel in the inside of the cylinder;The side wall of the chute 31 is arc-shaped, and the outlet of the chute 31 is tangent to the side wall of the screw sleeve 3, the combustion gas moving along the chute 31 does arc motion in the inside of the chute 31, maintaining the movement speed of the combustion gas, and the combustion gas is finally sprayed out in the direction tangent to the screw sleeve 3 into the fuel, so that multiple combustion gas streams agitate and rush into the fuel gas in the inside of the cylinder from different directions, thereby accelerating the combustion efficiency of the fuel gas in the inside of the cylinder.

[0023] The side wall of the screw sleeve 3 and the fixed sleeve 5 is fixedly connected with fixed ring 2, the surface of the fixed ring 2 is provided with multiple holes;The screw rod 21 penetrates the hole, the side wall of the screw rod 21 is symmetrically threadedly connected with two nuts 22, and the two ends of the fixed ring 2 on the side wall of the screw sleeve 3 abut against the nuts 22;When the volume of the combustion chamber 33 is changed according to the cylinder volume, the screw sleeve 3 is rotated to change the distance between the bottom surface of the screw sleeve 3 and the fixed sleeve 5, thereby adjusting the volume of the combustion chamber 33;When the volume of the combustion chamber 33 is appropriate, the holes on the surface of the two fixed rings 2 are aligned, and the screw rod 21 and the nut 22 are used to fix the two fixed rings 2 together, thereby fixing the screw sleeve 3 on the side wall of the fixed sleeve 5.

[0024] The side wall of the grounding electrode 51 is in "L" shape structure, in order to facilitate the grounding electrode 51 and the center electrode 6 produce more electric spark, facilitate the ignition of fuel, the air inlet groove 41 is located between the two grounding electrode 51 intermediate position, in order to facilitate the combustion gas into two grounding electrode 51, the gas is easy to ignite.

[0025] The bottom end of the screw sleeve 3 is provided with a spray hole 32, and the spray hole 32 is in a funnel shape structure, in order to facilitate the combustion of gas through the spray hole 32 vertical into the inside of the cylinder, the fuel gas in the cylinder is ignited.

[0026] The top end of the fixed block 4 is provided with a limiting block 43, the limiting block 43 is in contact with the side wall of the partition plate 42, in order to make the limiting block 43 to the maximum rotation angle of the partition plate 42 limiting, avoid the partition plate 42 rotation into the inside of the screw sleeve 3 center position, and one side of the partition plate 42 is inclined, in order to facilitate the fuel gas from the side wall of the partition plate 42 sliding into the inside of the combustion chamber 33.

[0027] The use principle of the utility model is: when the volume of the combustion chamber 33 is changed according to the cylinder volume before use, the screw sleeve 3 is rotated, the distance between the bottom surface of the screw sleeve 3 and the fixed sleeve 5 is changed, thereby adjusting the volume of the combustion chamber 33; when the volume of the combustion chamber 33 is appropriate, and the air inlet groove 41 is located at the middle position between the two grounding electrodes 51, at this time, the holes on the surfaces of the two fixed rings 2 are aligned, the screw rod 21 and the nut 22 are used to fix the two fixed rings 2 together, thereby fixing the screw sleeve 3 on the side wall of the fixed sleeve 5. The device is installed in the inside of the cylinder, and the air inlet groove 41 is aligned with the cylinder air inlet, when in use, when the combustion gas in the inside of the cylinder air inlet is sprayed into the inside of the cylinder, because the air inlet groove 41 is aligned with the cylinder air inlet, the combustion gas is sprayed into the inside of the air inlet groove 41 which is arranged obliquely, the fuel gas pushes the baffle 42 to rotate and abut against the limiting block 43, so that the fuel gas fills the inside of the combustion chamber 33 through the air inlet groove 41 quickly, when the device is connected to high voltage, the fuel gas in the inside of the combustion chamber 33 is ignited quickly by the electric spark between the center electrode 6 and the grounding electrode 51, the gas pressure in the inside of the combustion chamber 33 increases suddenly, the baffle 42 is pushed to rotate and enter the inside of the fixed block 4, the air inlet groove 41 is closed, so that the burned gas is sprayed out through the spray hole 32 and the sliding groove 31, the burned gas is vertically sprayed into the inside of the cylinder through the spray hole 32, the side wall of the sliding groove 31 is arc-shaped, and the outlet of the sliding groove 31 is tangent to the side wall of the screw sleeve 3, the combustion gas moving along the sliding groove 31 does arc motion in the inside of the sliding groove 31, the motion speed of the combustion gas is maintained, the combustion gas is finally sprayed out into the fuel in the tangent direction of the screw sleeve 3, so that multiple combustion gases agitate and rush into the fuel gas in the inside of the cylinder from different directions, the ignition point in the inside of the cylinder is increased, thereby accelerating the combustion efficiency of the fuel gas in the inside of the cylinder.

[0028] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent flow transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A spark plug for rapidly igniting a fuel, characterized by, Include: The insulator (1), the inside of the insulator (1) is pre-buried center electrode (6), the sidewall of the insulator (1) is installed fixed sleeve (5), and the bottom end of the fixed sleeve (5) is installed multiple grounding electrodes (51); The sidewall of the fixed sleeve (5) is screwed between the screw sleeve (3), the screw sleeve (3) and the fixed sleeve (5) are provided with combustion chamber (33), the combustion chamber (33) is located in the inside of the screw sleeve (3); The sidewall of the screw sleeve (3) is installed fixed block (4), the sidewall of the fixed block (4) is inclined to provide air inlet groove (41); The top end of the fixed block (4) is rotatably connected to the partition plate (42), and the partition plate (42) abuts against the inner sidewall of the bottom end of the fixed block (4).

2. The quick ignition fuel spark plug according to claim 1, characterized by, The sidewall of the screw sleeve (3) and the fixed sleeve (5) is fixedly connected with the fixed ring (2), the surface of the fixed ring (2) is provided with multiple holes; The screw rod (21) penetrates the hole, the sidewall of the screw rod (21) is symmetrically screwed with two nuts (22), and the two ends of the fixed ring (2) on the sidewall of the screw sleeve (3) abut against the nuts (22).

3. The quick ignition fuel spark plug according to claim 1, characterized by, The sidewall of the grounding electrode (51) is in "L" shape structure, and the air inlet groove (41) is located at the middle position between the two grounding electrodes (51).

4. The quick ignition fuel spark plug of claim 1 wherein, The bottom end of the screw sleeve (3) is provided with a spray hole (32) at the center, and the spray hole (32) is in a funnel shape structure.

5. The quick ignition fuel spark plug of claim 1 wherein, The bottom end of the screw sleeve (3) is inclined to provide multiple sliding grooves (31), the sidewall of the sliding groove (31) is in an arc shape, and the outlet of the sliding groove (31) is tangent to the sidewall of the screw sleeve (3).

6. The quick ignition fuel spark plug of claim 1 wherein, The top end of the fixed block (4) is inclined to provide a limiting block (43), the limiting block (43) abuts against the sidewall of the partition plate (42), and one side of the partition plate (42) is inclined.

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