Bipolar spark plug for motor vehicle

Abstract

The utility model relates to the technical field of spark plug equipment, in particular to a bipolar spark plug for a motor vehicle, which comprises a bolt head, a threaded inner sleeve is fixedly connected to the surface of the bolt head, a protective outer sleeve is fixedly connected to the bottom end of the bolt head, and two groups of shunt conductive heads are arranged at the bottom end of the protective outer sleeve. A connecting base is arranged at the top end of the threaded inner sleeve, and two pole covers are fixedly connected to the two sides of the surface of the connecting base. Through the arrangement of the connecting base, the two-pole covers, the central base, the central electrode, the electrode base, the electrodes on the two sides, the guide sleeve, the electricity collecting hole groove and the ignition hole groove, the electrodes on the two sides in the two-pole covers can be accurately electrified and ignited at the position of the central electrode; a worker firstly installs the whole bolt head on a cylinder cover through the threaded inner sleeve, then one end of the protective outer sleeve is powered on, and then current enters the connecting base along internal conductive equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of spark plug equipment, in particular to a bipolar spark plug for motor vehicles. Background Art

[0002] The spark plug is an important component of the gasoline engine ignition system. It can introduce high voltage electricity into the combustion chamber and make it jump over the electrode gap to generate sparks, thereby igniting the combustible mixture in the cylinder. It is mainly composed of a wire nut, an insulator, a wire screw, a center electrode, a side electrode and a shell. The side electrode is welded to the shell.

[0003] For example, the patent document with announcement number CN 218677973 U discloses a bipolar spark plug for motorcycle, comprising a hexagonal bolt head, one end of the hexagonal bolt head is fixedly connected to a metal shell, the bottom end of the metal shell is installed with an insulator, the bottom end of the insulator is installed with a grounding nut, the top end of the metal shell is fixedly installed with a connecting rod sleeve, the outer side of the connecting rod sleeve is provided with a fixed thread, the top end of the connecting rod sleeve is connected to a center electrode, the connecting rod sleeves on the left and right sides of the center electrode are respectively provided with side electrodes, and the outer side of the side electrode is provided with a wind shield. The utility model extends the service life of the spark plug, concentrates the ignition of the spark plug, and ignites at the same time to cause the mixture to explode and burn, rapidly forming a strong vortex, greatly accelerating the propagation speed of the flame, and improving the ignition reliability.

[0004] However, when this structure is actually used in a motor vehicle, it is impossible to properly conduct current guidance and convergence operations at the two poles of the bipolar spark plug, which can easily lead to repulsion and instability between the two currents, affecting the effect of each electric ignition of the device. At the same time, the device cannot ensure that the two bipolar spark plugs receive stable power supply and operation, and cannot meet daily usage needs. Therefore, it is urgent to design a bipolar spark plug for motor vehicles to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a bipolar spark plug for motor vehicles, so as to solve the problem that the existing structure proposed in the above background technology cannot properly guide and merge the current at the two poles of the bipolar spark plug when it is actually used in a motor vehicle, which easily leads to the problem of repulsion and instability between the two currents, affecting the effect of each electric ignition of the device. At the same time, the device cannot ensure that the two bipolar spark plugs are stably powered and operated, and cannot meet daily usage needs.

[0006] To achieve the above object, the present invention provides the following technical solution: a bipolar spark plug for a motor vehicle, comprising a bolt head, a threaded inner sleeve fixedly connected to the surface of the bolt head, a protective outer sleeve fixedly connected to the bottom end of the bolt head, and two sets of shunt conductive contacts provided at the bottom end of the protective outer sleeve;

[0007] A connecting seat is provided at the top of the threaded inner sleeve, two pole covers are fixedly connected to the two sides of the surface of the connecting seat, a center seat is provided at the inner center of the connecting seat, and a center electrode is provided on the surface of the center seat.

[0008] Preferably, an electrode seat is fixedly connected to the inner top wall of the bipolar cover, and electrodes on both sides are arranged inside the electrode seat.

[0009] Preferably, a guide sleeve is provided in the inner center of the two-pole cover, and collector holes are provided in the centers of both sides of the guide sleeve.

[0010] Preferably, an ignition hole slot is provided on the top of the two-pole cover, and the ignition hole slot is adapted to the guide sleeve.

[0011] Preferably, an insulating plate is fixedly connected to the bottom center of the connecting seat, and power sockets are provided on both sides of the insulating plate.

[0012] Preferably, a power supply interface is provided on the surface edge of the threaded inner sleeve, a diversion liner is provided inside the threaded inner sleeve, and conductive cores are provided on both sides of the diversion liner.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The bipolar spark plug for motor vehicles can accurately connect the two side electrodes inside the two sets of two-pole covers to the center electrode for ignition operation through the provided connecting seat, two-pole covers, center seat, center electrode, electrode seat, two-side electrodes, guide sleeve, current collecting hole slot and ignition hole slot. In actual use, the staff first installs the bolt head as a whole on the cylinder head through the threaded inner sleeve, and then energizes one end of the protective outer sleeve. After that, the current enters the connecting seat along the internal conductive device. The current inside the connecting seat can be respectively introduced from the two-pole covers on both sides of the surface to the two side electrodes inside the electrode seat, and then the current is energized from the current collecting hole slot of the guide sleeve to the center electrode in the center. At this time, the atomized gas is passed from the ignition hole slots on the top of the two sets of two-pole covers into the inside of the guide sleeve for fast and accurate ignition operation, thereby improving the overall power-on and ignition accuracy of the equipment, effectively ensuring the accuracy of the equipment's ignition, and reflecting the practicality of the equipment design.

[0015] The bipolar spark plug for motor vehicles further improves the overall use effect of the equipment by providing a bolt head, threaded inner sleeve, protective outer sleeve, shunt conductive head, connecting seat, insulating plate, power socket, power interface, shunt liner and conductive core. In daily use, the two shunt conductive heads at the bottom of the protective outer sleeve can perform current shunt guiding operations, and then the current enters the interior of the threaded inner sleeve respectively, and performs current shunt transmission operations through the shunt liner and the internal conductive core, ensuring that the current can be properly bipolar. At the same time, the connecting seat can perform insulation and diversion operations of the two currents at the power interface at the top of the threaded inner sleeve through the insulating plate at the bottom and the power socket, thereby improving the final bipolar ignition accuracy of the equipment and reflecting the comprehensiveness of the equipment design. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0017] Figure 2 This is an overall schematic diagram of the connecting seat structure of the utility model;

[0018] Figure 3 This is an overall schematic diagram of the bolt head structure of the utility model;

[0019] Figure 4 For this utility model Figure 1 A magnified schematic diagram of the structure at center A.

[0020] In the figure: 1. Bolt head; 2. Threaded inner sleeve; 3. Protective outer sleeve; 4. Shunt conductive head; 5. Connecting seat; 6. Bipolar cover; 7. Center seat; 8. Center electrode; 9. Electrode seat; 10. Electrodes on both sides; 11. Guide sleeve; 12. Collecting hole slot; 13. Ignition hole slot; 14. Insulating plate; 15. Power socket; 16. Power interface; 17. Shunt liner; 18. Conductive core. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-4 , an embodiment provided by the utility model:

[0023] A bipolar spark plug for a motor vehicle comprises a bolt head 1, the surface of the bolt head 1 being fixedly connected to a threaded inner sleeve 2, the bottom end of the bolt head 1 being fixedly connected to a protective jacket 3, the bottom end of the protective jacket 3 being provided with two sets of shunt conductive heads 4, the bottom center of the connecting seat 5 being fixedly connected to an insulating plate 14, power sockets 15 being provided on both sides of the insulating plate 14, a power interface 16 being provided on the surface edge of the threaded inner sleeve 2, a shunt liner 17 being provided inside the threaded inner sleeve 2, and conductive cores 18 being provided on both sides of the shunt liner 17, the two shunt conductive heads 4 at the bottom end of the protective jacket 3 being capable of performing current shunt guiding operations, after which the current respectively enters the interior of the threaded inner sleeve 2 and performs current shunt transmission operations through the shunt liner 17 and the conductive core 18 inside, thereby ensuring that the current can be properly operated in a bipolar manner.

[0024] A connecting seat 5 and a connecting seat 5 are provided at the top of the threaded inner sleeve 2, and two pole covers 6 are fixedly connected on both sides of the surface of the connecting seat 5. A center seat 7 is provided at the inner center of the connecting seat 5, and a center electrode 8 is provided on the surface of the center seat 7. An electrode seat 9 is fixedly connected to the inner top wall of the two pole covers 6, and two side electrodes 10 are provided inside the electrode seat 9. A guide sleeve 11 is provided at the inner center sleeve of the two pole covers 6, and a collecting hole groove 12 is provided at the center of both sides of the guide sleeve 11. An ignition hole groove 13 is provided on the top of the two pole covers 6, and the ignition hole groove 13 is adapted to the guide sleeve 11. The current inside the connecting seat 5 can be respectively introduced from the two pole covers 6 on both sides of the surface to the two side electrodes 10 inside the electrode seat 9, and then the current is energized from the collecting hole groove 12 of the guide sleeve 11 to the center electrode 8 in the center. At this time, the atomized gas is passed from the ignition hole groove 13 on the top of the two groups of two pole covers 6 to the interior of the guide sleeve 11 for fast and accurate ignition operation.

[0025] Working principle: When in use, the user first installs the bolt head 1 as a whole on the cylinder head through the threaded inner sleeve 2, and then energizes one end of the protective jacket 3. After that, the current flows along the internal conductive device into the connecting seat 5. The current inside the connecting seat 5 can be respectively introduced from the two-pole covers 6 on both sides of the surface to the two-side electrodes 10 inside the electrode seat 9, and then the current is energized from the collecting hole slot 12 of the guide sleeve 11 to the center electrode 8 in the center. At this time, the atomized gas is passed from the ignition hole slot 13 on the top of the two sets of two-pole covers 6 to the inside of the guide sleeve 11 for fast and accurate ignition operation, thereby improving the overall energization of the equipment. The ignition accuracy effectively guarantees the accuracy of the equipment's ignition. During daily use, the two shunt conductive heads 4 at the bottom of the protective jacket 3 can perform current shunt guiding operations, and then the current enters the interior of the threaded inner sleeve 2 respectively, and performs current shunt transmission operations through the shunt inner tank 17 and the internal conductive core 18, ensuring that the current can be properly bipolar. At the same time, the connecting seat 5 can perform two-pole insulation guidance operations at the power interface 16 at the top of the threaded inner sleeve 2 through the insulating plate 14 at the bottom and the power socket 15, thereby improving the final bipolar ignition accuracy of the equipment. The above is the entire working principle of the present utility model.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A bipolar spark plug for a motor vehicle, comprising a bolt head (1), characterized in that: The surface of the bolt head (1) is fixedly connected to a threaded inner sleeve (2), the bottom end of the bolt head (1) is fixedly connected to a protective outer sleeve (3), and the bottom end of the protective outer sleeve (3) is provided with two sets of flow conducting heads (4); A connecting seat (5) is provided at the top end of the threaded inner sleeve (2), two-pole covers (6) are fixedly connected to the two sides of the surface of the connecting seat (5), a center seat (7) is provided at the inner center of the connecting seat (5), and a center electrode (8) is provided on the surface of the center seat (7).

2. A bipolar spark plug for a motor vehicle according to claim 1, characterized in that: An electrode seat (9) is fixedly connected to the inner top wall of the bipolar cover (6), and two side electrodes (10) are arranged inside the electrode seat (9).

3. A bipolar spark plug for a motor vehicle according to claim 1, characterized in that: A guide sleeve (11) is provided in the center of the inner portion of the bipolar cover (6), and electricity collecting slots (12) are provided in the centers of both sides of the guide sleeve (11).

4. A bipolar spark plug for a motor vehicle according to claim 3, characterized in that: An ignition hole slot (13) is provided on the top of the two-pole cover (6), and the ignition hole slot (13) is adapted to the guide sleeve (11).

5. A bipolar spark plug for a motor vehicle according to claim 1, characterized in that: An insulating plate (14) is fixedly connected to the center of the bottom of the connecting seat (5), and power sockets (15) are provided on both sides of the insulating plate (14).

6. A bipolar spark plug for a motor vehicle according to claim 1, characterized in that: An electrical interface (16) is provided on the surface edge of the threaded inner sleeve (2), a diversion liner (17) is provided inside the threaded inner sleeve (2), and conductive cores (18) are provided on both sides of the diversion liner (17).

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