Heat dissipation type spark plug shell

Abstract

The utility model discloses a heat dissipation type spark plug shell which comprises a spark plug shell body, and a hexagonal part is arranged outside the spark plug shell body. A threaded portion provided outside the spark plug housing; and the auxiliary mechanism is arranged in the spark plug shell, and the auxiliary mechanism is used for being in contact with the insulator so as to conduct heat at the assembly gap between the insulator and the spark plug shell. According to the utility model, the first ring body, the second ring body, the first arc-shaped frame, the second arc-shaped frame, the arc-shaped ring, the first fin and the second fin are matched with one another, and the inner wall of the second ring body is attached to the assembly gap between the insulator and the spark plug shell; the first ring body, the second ring body, the first arc-shaped frame, the second arc-shaped frame and the arc-shaped ring carry out heat conduction on the insulator, the first fin and the second fin carry out heat dissipation on the spark plug shell and the exteriors of the first arc-shaped frame and the second arc-shaped frame, and then the spark plug shell can carry out direct heat conduction operation on the insulator.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of spark plug shell, especially a heat dissipation type spark plug shell. BACKGROUND

[0002] Spark plug is usually an important component of gasoline engine ignition system, and the main function of spark plug is to introduce high voltage into the combustion chamber and generate sparks through the electrode gap, so as to ignite the combustible gas in the cylinder.

[0003] The spark plug usually comprises a spark plug shell, an insulator, a wiring cap, a resistor and an insulator, the insulator is installed in the interior of the spark plug shell, the wiring cap and the resistor are both installed in the interior of the insulator, when the spark plug is used, the pulse high voltage is needed to be introduced from the interior of the insulator to the center motor, and the air between the center electrode and the side electrode is broken down, so that the electric spark is generated to ignite the gas in the cylinder, in this process, a large amount of heat is generated, and then the heat is exported through the insulator and the spark plug shell to perform the heat dissipation operation.

[0004] But there is an installation gap between the insulator and the spark plug shell, and then the partial position of the insulator does not contact the inner wall of the spark plug shell, and then the partial position of the insulator cannot directly conduct heat, so that the heat is left in the interior of the spark plug shell, and the heat dissipation effect of the spark plug shell is affected, therefore, it is necessary to conduct heat at the assembly gap between the spark plug shell and the insulator to improve the heat conduction effect of the insulator. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a heat dissipation type spark plug shell to solve the problems in the above background.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a heat dissipation type spark plug shell, comprising:

[0007] The spark plug shell is externally provided with a hexagonal part;

[0008] The threaded part is arranged on the exterior of the spark plug shell;

[0009] The auxiliary mechanism is arranged in the interior of the spark plug shell, and the auxiliary mechanism is used for contacting the insulator to conduct heat at the assembly gap between the insulator and the spark plug shell.

[0010] Preferably, the auxiliary mechanism comprises:

[0011] The first ring body is located in the interior of the spark plug shell;

[0012] The second ring body is located below the first ring body, and the second ring body is arranged in a half-cone type.

[0013] The first arc-shaped frame is fixedly connected to the outside of the second ring body, and the second arc-shaped frame is fixedly connected to the outside of the first ring body.

[0014] The first heat dissipation member is arranged on the outside of the second arc-shaped frame.

[0015] The second heat dissipation member is arranged on the outside of the first arc-shaped frame.

[0016] Preferably, the auxiliary mechanism further comprises:

[0017] The arc-shaped ring is fixedly connected between the first ring body and the second ring body.

[0018] The first groove is arranged on the top of the second arc-shaped frame.

[0019] The second groove is arranged on the top of the first arc-shaped frame.

[0020] Preferably, the inner wall of the spark plug shell is symmetrically provided with an arc-shaped groove, and the first arc-shaped frame and the second arc-shaped frame are in sliding insertion connection with the inner cavity of the arc-shaped groove.

[0021] Preferably, the first heat dissipation member comprises:

[0022] The first fin is fixedly inserted into the outside of the spark plug shell, and the end of the first fin is attached to the outer wall of the second arc-shaped frame.

[0023] The first heat conduction block is fixedly connected to the outside of the spark plug shell, and the other end of the first fin is embedded in the first heat conduction block.

[0024] Preferably, the second heat dissipation member comprises:

[0025] The second fin is fixedly inserted into the outside of the spark plug shell, and the end of the second fin is attached to the outer wall of the first arc-shaped frame.

[0026] The second heat conduction block is fixedly connected to the outside of the spark plug shell, and the other end of the second fin is located in the middle of the second heat conduction block.

[0027] The technical effects and advantages of the utility model are as follows:

[0028] The utility model discloses a first ring body, second ring body, first arc frame, second arc frame, arc ring, first fin and second fin's mutual cooperation, first ring body and second ring body and the outside of insulator are inlaid, the inner wall of second ring body and the assembly gap between insulator and spark plug shell are inlaid, first ring body, second ring body, first arc frame and second arc frame and arc ring carry out heat conduction to insulator, and first fin and second fin carry out heat dissipation to the outside of spark plug shell and first arc frame and second arc frame, and then are favorable to make the direct heat conduction operation of spark plug shell to insulator, improve the heat dissipation effect of spark plug shell to improve the security of spark plug use. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the front structure schematic drawing of the utility model.

[0030] Figure 2 It is the front structure schematic drawing of the utility model.

[0031] Figure 3 It is the front structure schematic drawing of the utility model.

[0032] Figure 4 It is the front structure schematic drawing of the utility model.

[0033] In the drawing: 1, spark plug shell;2, hexagonal part;3, threaded part;4, auxiliary mechanism;41, first ring body;42, second ring body;43, first arc frame;44, second arc frame;45, arc ring;46, first groove;47, second groove;48, first fin;49, first heat conduction block;410, second fin;411, second heat conduction block. DETAILED DESCRIPTION

[0034] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0035] The utility model provides a kind of spark plug shell of heat dissipation type as Figures 1-4 It is shown in the drawing.

[0036] Embodiment one

[0037] The spark plug shell 1 is provided with a hexagonal part 2 on the outside, which facilitates the rotation of the spark plug shell 1 to facilitate the installation of the spark plug shell 1; a threaded part 3 is arranged on the outside of the spark plug shell 1, which facilitates the threaded installation with the specified position; an auxiliary mechanism 4 is arranged in the inside of the spark plug shell 1, which is used to contact the insulator to conduct heat at the assembly gap between the insulator and the spark plug shell 1.

[0038] Further, the auxiliary mechanism 4 includes a first ring body 41, a second ring body 42, a first arc-shaped frame 43, a second arc-shaped frame 44, a first heat sink, a second heat sink, an arc-shaped ring 45, a first groove body 46 and a second groove body 47, the first ring body 41 and the second ring body 42 are both arranged in a semicircular shape, the first ring body 41 and the second ring body 42 are both made of heat-conducting material, the first arc-shaped frame 43 and the second arc-shaped frame 44 are both made of heat-conducting material, and the first arc-shaped frame 43 and the second arc-shaped frame 44 facilitate the heat on the first ring body 41 and the second ring body 42 to be conducted out to heat the spark plug shell 1, the tapered part at the bottom of the second ring body 42 is in close contact with the assembly gap between the insulator and the spark plug shell 1, thereby facilitating the direct heat conduction operation at the assembly gap of the insulator, while conveniently improving the heat conduction capacity and effect of the spark plug shell 1, improving the safety of the spark plug, the arc-shaped ring 45 is arranged in an arc shape, the arc-shaped ring 45 is made of heat-conducting material, and the arc-shaped ring 45 facilitates the heat conduction effect of the first ring body 41 and the second ring body 42, the first groove body 46 and the second groove body 47 facilitate the filling of heat-conducting silicone grease, while facilitating the use safety of the first arc-shaped frame 43 and the second arc-shaped frame 44, providing expansion space, the first ring body 41 is located in the inside of the spark plug shell 1, the second ring body 42 is located below the first ring body 41, the second ring body 42 is arranged in a semicone shape, the first arc-shaped frame 43 is fixedly connected to the outside of the second ring body 42, the second arc-shaped frame 44 is fixedly connected to the outside of the first ring body 41, the inside of the first arc-shaped frame 43 and the second arc-shaped frame 44 is filled with heat-conducting silicone grease, the heat-conducting silicone grease has good heat conductivity, excellent electrical insulation performance and high-quality heat-conducting silicone grease that remains stable under high-temperature environment without volatilization, thereby having the characteristics of stable use, facilitating the heat conduction effect of the first arc-shaped frame 43 and the second arc-shaped frame 44, the first heat sink is arranged on the outside of the second arc-shaped frame 44, the second heat sink is arranged on the outside of the first arc-shaped frame 43, the inner wall of the spark plug shell 1 is symmetrically provided with an arc-shaped groove, the first arc-shaped frame 43 and the second arc-shaped frame 44 are both slidably connected with the inner cavity of the arc-shaped groove, the arc-shaped ring 45 is fixedly connected between the first ring body 41 and the second ring body 42, the first groove body 46 is arranged on the top of the second arc-shaped frame 44, and the second groove body 47 is arranged on the top of the first arc-shaped frame 43.

[0039] Example two

[0040] Based on Embodiment 1, the first heat sink includes a first fin 48 and a first heat-conducting block 49. The first fin 48 facilitates the dissipation of heat from the spark plug housing 1, thereby improving the heat dissipation effect of the spark plug housing 1. The first heat-conducting block 49 helps to protect the end of the first fin 48 and also facilitates heat conduction of the first fin 48. The first fin 48 is fixedly inserted and connected to the outside of the spark plug housing 1, and the end of the first fin 48 is in contact with the outer wall of the second arc-shaped frame 44. The first heat-conducting block 49 is fixedly connected to the outside of the spark plug housing 1 and is embedded in the other end of the first fin 48.

[0041] Specifically, the second heat sink includes a second fin 410 and a second heat-conducting block 411. The second fin 410 facilitates the dissipation of heat from the spark plug housing 1, thereby improving the heat conduction capacity and effect of the spark plug housing 1. The second heat-conducting block 411 facilitates the heat conduction operation of the second fin 410 and provides end protection for the second fin 410. The second fin 410 is fixedly inserted into the outside of the spark plug housing 1, and the end of the second fin 410 is in contact with the outside of the first arc-shaped frame 43. The second heat-conducting block 411 is fixedly connected to the outside of the spark plug housing 1, and the other end of the second fin 410 is located in the middle of the second heat-conducting block 411.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A heat-dissipating spark plug housing, characterized in that, include: Spark plug housing (1), with a hexagonal part (2) on the outside; The threaded portion (3) is located on the outside of the spark plug housing (1); An auxiliary mechanism (4) is disposed inside the spark plug housing (1). The auxiliary mechanism (4) is used to contact the insulator to conduct heat at the assembly gap between the insulator and the spark plug housing (1).

2. The heat-dissipating spark plug housing according to claim 1, characterized in that, The auxiliary mechanism (4) includes: The first ring body (41) is located inside the spark plug housing (1); The second ring (42) is located below the first ring (41) and is semi-conical in shape. The first arc frame (43) and the second arc frame (44) are fixedly connected to the outside of the second ring body (42) and the second arc frame (44) is fixedly connected to the outside of the first ring body (41). The interior of the first arc frame (43) and the second arc frame (44) are filled with thermally conductive silicone grease. The first heat sink is disposed outside the second arc-shaped frame (44); The second heat sink is disposed outside the first arc frame (43).

3. A heat-dissipating spark plug housing according to claim 1, characterized in that, The auxiliary mechanism (4) also includes: An arc-shaped ring (45) is fixedly connected between a first ring body (41) and a second ring body (42); The first groove (46) is located at the top of the second arc-shaped frame (44); The second groove (47) is located on the top of the first arc frame (43).

4. A heat-dissipating spark plug housing according to claim 2, characterized in that, The inner wall of the spark plug housing (1) is symmetrically provided with arc-shaped grooves, and the first arc-shaped frame (43) and the second arc-shaped frame (44) are slidably inserted into the inner cavity of the arc-shaped grooves.

5. A heat-dissipating spark plug housing according to claim 2, characterized in that, The first heat sink includes: The first fin (48) is fixedly inserted and connected to the outside of the spark plug housing (1), and the end of the first fin (48) is in contact with the outer wall of the second arc frame (44). The first heat-conducting block (49) is fixedly connected to the outside of the spark plug housing (1) and is embedded in the other end of the first fin (48).

6. A heat-dissipating spark plug housing according to claim 2, characterized in that, The second heat sink includes: The second fin (410) is fixedly inserted into the outside of the spark plug housing (1), and the end of the second fin (410) is attached to the outside of the first arc frame (43). The second heat-conducting block (411) is fixedly connected to the outside of the spark plug housing (1), and the other end of the second fin (410) is located in the middle of the second heat-conducting block (411).

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