Spark plug shell capable of efficiently igniting

Abstract

The utility model discloses an efficient sparking plug shell, which relates to the technical field of sparking plug shells, and comprises a shell, an electrode piece, a sealing mechanism and an extrusion mechanism, the electrode piece is arranged at the bottom end of the shell, the sealing mechanism is arranged on the outer wall of the shell, the extrusion mechanism is arranged on the outer wall of the shell, and the extrusion mechanism is used for meshing after the shell is installed. The electrode piece comprises a plurality of ground electrodes which are arranged at the bottom end of the shell in an annular array mode. According to the utility model, through the plurality of ground electrodes in the electrode piece, the spark plug has a plurality of ignition points during working, so that the ignition efficiency is ensured, and meanwhile, through the cooperation of the extrusion mechanism and the sealing mechanism, the sealing performance during the installation of the spark plug is improved, and gas leakage and looseness in the spark plug are prevented; therefore, the ignition efficiency of the spark plug is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spark plug shell, especially relates to a high -efficient spark plug shell. BACKGROUND

[0002] Spark plug is the important part of automobile engine ignition system, and the spark plug is mainly composed of a wiring nut, an insulator, a wiring screw, a center electrode, a ground electrode and a shell, the ground electrode is generally fixed on the outer wall of the shell, and the center electrode and the ground electrode generate electric spark to strike fire.

[0003] But now the spark plug shell mostly only sets up single ground electrode, leads to the single striking point of spark plug, and the spark plug mostly only relies on single gasket to seal when installing, leads to the poor sealing property of spark plug in use, will appear the phenomenon such as air leakage and spark plug loosening, thereby affecting the striking of spark plug, for this, we propose a kind of high -efficient spark plug shell. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of high -efficient spark plug shell, to solve the problem proposed in above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high -efficient spark plug shell, comprising:

[0006] Shell;

[0007] Electrode piece, the electrode piece is set to the bottom end of shell;

[0008] Sealing mechanism, the sealing mechanism is set to the outer wall of shell;

[0009] Extrusion mechanism, the extrusion mechanism is set to the outer wall of shell, and the extrusion mechanism is used for the engagement after shell installation.

[0010] Preferably, the electrode piece includes multiple ground electrodes, and the multiple ground electrodes are arranged in a ring array at the bottom end of the shell.

[0011] Preferably, the bottom end of the shell is provided with multiple insertion slots, the outer wall of the ground electrode is movably connected with the inner wall of the insertion slot, and the ground electrode and the shell are welded.

[0012] Preferably, a welding groove is formed in the side of the inner wall of the insertion slot, and the welding groove is used to accommodate welding material.

[0013] Preferably, the sealing mechanism comprises:

[0014] Annular groove, the annular groove is set to the outer wall of shell;

[0015] The sealing ring is sleeved on the outer wall of the annular groove.

[0016] Preferably, the extrusion mechanism comprises:

[0017] The connecting ring is sleeved on the outer wall of the annular groove, and the connecting ring is arranged between the two sealing rings.

[0018] The spring is arranged in the interior of the shell, and a connecting mechanism is arranged between the spring and the connecting ring.

[0019] Preferably, the connecting mechanism comprises:

[0020] The bottom end of the connecting rod is fixedly connected with the top end of the connecting ring, the outer wall of the shell is provided with a movable hole, and the outer wall of the connecting rod is movably connected with the inner wall of the movable hole.

[0021] The bottom end of the limiting plate is fixedly connected with the top end of the connecting rod, the inner wall of the movable hole is provided with a connecting cavity, the outer wall of the limiting plate is slidably connected with the inner wall of the connecting cavity, the spring is arranged in the interior of the connecting cavity, and the spring is arranged at the top end of the limiting plate.

[0022] The technical effects and advantages of the utility model are as follows:

[0023] The utility model discloses a plurality of ground electrodes in the electrode piece, so that the spark plug has multiple sparking points when working, thereby guaranteeing the sparking efficiency, and simultaneously, through the cooperation of the extrusion mechanism and the sealing mechanism, the sealing property when installing the spark plug is increased, the gas leakage in the spark plug and the loosening of the spark plug are prevented, and the sparking efficiency of the spark plug is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the front sectional view structure schematic diagram of the utility model.

[0025] Figure 2 It is the A place local amplification structure schematic diagram of the utility model. Figure 1

[0026] Figure 3 It is the B place local amplification structure schematic diagram of the utility model. Figure 1

[0027] In the drawing: 101, shell;201, ground electrode;301, insertion slot;302, welding groove;401, annular groove;402, sealing ring;501, connecting ring;502, connecting rod;503, movable hole;504, connecting cavity;505, limiting plate;506, spring. DETAILED DESCRIPTION

[0028] ​​The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] The utility model provides a kind of spark plug shell of high efficiency ignition as Figures 1-3 The utility model provides a kind of spark plug shell of high efficiency ignition as

[0030] Embodiment one:

[0031] Including shell 101, electrode piece, sealing mechanism and extrusion mechanism, electrode piece is set to the bottom end of shell 101, sealing mechanism is set to the outer wall of shell 101, extrusion mechanism is set to the outer wall of shell 101, extrusion mechanism is used for the engagement after the installation of shell 101, by multiple ground electrodes 201 in electrode piece, so that spark plug will have multiple ignition points when working, to ensure that ignition efficiency, simultaneously, by the cooperation of extrusion mechanism and sealing mechanism, increase the sealing property when spark plug is installed, prevent gas leakage in spark plug and spark plug loose, to improve the ignition efficiency of spark plug.

[0032] Among them, electrode piece includes multiple ground electrodes 201, multiple ground electrodes 201 are arranged in annular array to the bottom end of shell 101, by the setting of multiple ground electrodes 201, so that multiple ignition points will be formed between center electrode and multiple ground electrodes 201 after spark plug assembly is completed, to ensure the ignition efficiency of spark plug.

[0033] Among them, the bottom end of shell 101 is provided with multiple insertion slots 301, the outer wall of ground electrode 201 and the inner wall of insertion slot 301 are movably inserted and connected, ground electrode 201 and shell 101 are welded and fixed, ground electrode 201 and shell 101 are fixed by insertion and welding mode, to ensure the stability of the work of ground electrode 201, avoid the separation of ground electrode 201 and shell 101, to ensure that ground electrode 201 can work stably and ignite, further ensure the ignition efficiency of spark plug.

[0034] Among them, the side of the inner wall of insertion slot 301 is provided with welding groove 302, welding groove 302 is used to accommodate welding material, by the setting of welding groove 302, so that there is greater contact area when welding, to ensure the welding strength, to improve the use intensity of ground electrode 201.

[0035] Embodiment two:

[0036] Compared with the first embodiment, the sealing mechanism comprises an annular groove 401 and a sealing ring 402, the annular groove 401 is arranged on the outer wall of the shell 101, and the sealing ring 402 is sleeved on the outer wall of the annular groove 401, and the sealing ring 402 is used for sealing when the spark plug is installed.

[0037] The extrusion mechanism comprises a connecting ring 501 and a spring 506, the connecting ring 501 is sleeved on the outer wall of the annular groove 401, the connecting ring 501 is arranged between the two sealing rings 402, the spring 506 is arranged in the shell 101, and the connecting mechanism is arranged between the spring 506 and the connecting ring 501.

[0038] The connecting mechanism comprises a connecting rod 502 and a limiting plate 505, the bottom end of the connecting rod 502 is fixedly connected with the top end of the connecting ring 501, the outer wall of the shell 101 is provided with a movable hole 503, the outer wall of the connecting rod 502 is movably connected with the inner wall of the movable hole 503, the bottom end of the limiting plate 505 is fixedly connected with the top end of the connecting rod 502, the inner wall of the movable hole 503 is provided with a connecting cavity 504, the outer wall of the limiting plate 505 is slidably connected with the inner wall of the connecting cavity 504, the spring 506 is arranged in the connecting cavity 504, and the spring 506 is arranged at the top end of the limiting plate 505.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A spark plug housing for high-efficiency ignition, characterized in that, include: Shell (101); Electrode components are disposed at the bottom end of the housing (101); A sealing mechanism is disposed on the outer wall of the housing (101); An extrusion mechanism is disposed on the outer wall of the housing (101) and is used for engagement after the housing (101) is installed.

2. The spark plug housing for high-efficiency ignition according to claim 1, characterized in that, The electrode component includes a plurality of ground electrodes (201), which are arranged in a ring array at the bottom end of the housing (101).

3. The spark plug housing for high-efficiency ignition according to claim 2, characterized in that, The bottom end of the housing (101) is provided with multiple slots (301), the outer wall of the ground electrode (201) is movably inserted and connected to the inner wall of the slot (301), and the ground electrode (201) is fixed to the housing (101) by welding.

4. The spark plug housing for high-efficiency ignition according to claim 3, characterized in that, The inner wall of the slot (301) has a welding groove (302) on its side, which is used to accommodate welding materials.

5. The spark plug housing for high-efficiency ignition according to claim 1, characterized in that, The sealing mechanism includes: An annular groove (401) is formed on the outer wall of the housing (101); A sealing ring (402) is fitted onto the outer wall of the annular groove (401).

6. The spark plug housing for high-efficiency ignition according to claim 5, characterized in that, The extrusion mechanism includes: A connecting ring (501) is sleeved on the outer wall of the annular groove (401) and is disposed between two sealing rings (402); A spring (506) is disposed inside the housing (101), and a connecting mechanism is provided between the spring (506) and the connecting ring (501).

7. A high-efficiency spark plug housing according to claim 6, characterized in that, The connecting mechanism includes: A connecting rod (502) is provided, the bottom end of which is fixedly connected to the top end of a connecting ring (501). An movable hole (503) is provided on the outer wall of the housing (101), and the outer wall of the connecting rod (502) is movably inserted into the inner wall of the movable hole (503). A limiting plate (505) is provided, the bottom end of which is fixedly connected to the top end of the connecting rod (502). A connecting cavity (504) is provided on the inner wall of the movable hole (503). The outer wall of the limiting plate (505) is slidably connected to the inner wall of the connecting cavity (504). A spring (506) is provided inside the connecting cavity (504) and at the top end of the limiting plate (505).

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