CN210476212U

CN210476212U - Spark plug center electrode positioning tool with multiple side electrodes

Info

Publication number: CN210476212U
Application number: CN201920930800.1U
Authority: CN
Inventors: 郑鑫权
Original assignee: Ningbo Newstar Spark Plug Co Ltd
Current assignee: Ningbo Newstar Spark Plug Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-05-08
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a spark plug center electrode location frock of multilateral electrode, including location frock main part, bolt hole, spark plug, center electrode and side electrode, the lower terminal surface of location frock main part is provided with the fixed slot, and has seted up the bolt hole on the lateral wall of fixed slot to the top of location frock main part is provided with first arch, and first bellied inside is provided with the standing groove simultaneously, the bottom of standing groove is provided with the spacing head, and the spread groove of spacing head and fixed column bottom is connected to the top of fixed column is provided with the second arch, the spacing groove has been seted up to the bellied outside of second, spark plug lower extreme center electrode is located inside the fixed orifices, and the side electrode in the center electrode outside is connected with the spacing groove. The positioning tool for the spark plug center electrode of the multi-side electrode can fix the spark plug center electrode of the multi-side electrode and avoid the rotation of the spark plug center electrode of the multi-side electrode during machining.

Description

Spark plug center electrode positioning tool with multiple side electrodes

Technical Field

The utility model relates to a spark plug location frock technical field specifically is a spark plug center electrode location frock of multiple side electrode.

Background

The spark plug is an indispensable spare part in an automobile cylinder generally, and is fixed on the top of a cylinder body of the cylinder through external threads on the lower part of the spark plug, so that a central electrode and a side electrode on the lower part of the spark plug extend into the cylinder body of the cylinder, and ignition of gasoline is realized.

However, in the process of machining the conventional spark plug with the multi-side electrode, because the volume of the spark plug is small, the common tool is easy to damage the spark plug when the spark plug is fixed, and therefore, a special fixing workpiece is required to be used for fixing the spark plug.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spark plug center electrode location frock of multiple side electrode to solve the spark plug of the current multiple side electrode that proposes in the above-mentioned background art, at the in-process of processing, because spark plug's volume is less, ordinary instrument is when fixing spark plug, easily causes spark plug's damage, consequently, need use special fixed work piece to carry out fixed problem to spark plug.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a spark plug center electrode location frock of multilateral electrode, includes location frock main part, bolt hole, spark plug, center electrode and side electrode, the lower terminal surface of location frock main part is provided with the fixed slot, and has seted up the bolt hole on the lateral wall of fixed slot to the top of location frock main part is provided with first arch, and first bellied inside is provided with the standing groove simultaneously, the bottom of standing groove is provided with spacing head, and spacing head is connected with the spread groove of fixed column bottom to the top of fixed column is provided with the second arch, the spacing groove has been seted up to the bellied outside of second, and the bellied inside of second is provided with the fixed orifices, spark plug lower extreme center electrode is located inside the fixed orifices, and the side electrode in the center electrode outside is connected with the spacing groove.

Preferably, the main body of the positioning tool main body is of a hollow structure, and the placing groove in the positioning tool main body penetrates through the first protrusion.

Preferably, the shape structure of the limiting head is a T-shaped structure, the limiting head is located at the center of the bottom of the placing groove, and the limiting head, the positioning tool main body and the first protrusion are integrally cast and formed.

Preferably, the diameter of the fixing column is smaller than the inner diameter of the placing groove, and the limiting groove on the outer side of the second protrusion at the top end of the fixing column is correspondingly installed with the side electrode on the outer side of the central electrode.

Preferably, the hole depth of the fixing hole is larger than the length of the central electrode, and the fixing hole is positioned in the central part of the upper end of the fixing column.

Compared with the prior art, the beneficial effects of the utility model are that: the spark plug center electrode positioning tool of the multi-side electrode,

1. a containing groove is arranged in the positioning tool main body to play a role in containing the fixed column, a limiting head is arranged at the bottom of the containing groove, the limiting head is of a T-shaped structure in shape and structure and plays a role in being matched and installed with a connecting groove at the bottom of the fixed column, the fixed column is prevented from rotating in the containing groove, and the fixed column is favorably fixed;

2. be provided with the fixed orifices in the second arch at fixed capital portion, play the effect of fixed spark plug lower extreme center electrode, be favorable to the spark plug to insert the fixed orifices with center electrode, and the bellied outside of second is provided with the spacing groove, play with the center electrode outside between the side electrode effect of being connected, the inlet wire realizes spacing to the side electrode, avoids the rotation of spark plug on the fixed column.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the spark plug of the present invention;

fig. 4 is a schematic top view of the fixing column of the present invention;

FIG. 5 is a schematic cross-sectional view of the fixing column of the present invention;

FIG. 6 is a schematic view of the top view structure of the positioning tool main body of the present invention;

fig. 7 is an enlarged schematic view of point a in fig. 2 according to the present invention.

In the figure: 1. positioning the tool main body; 2. bolt holes; 3. a first protrusion; 4. fixing grooves; 5. a placement groove; 6. a limiting head; 7. fixing a column; 8. a second protrusion; 9. a fixing hole; 10. a limiting groove; 11. connecting grooves; 12. a spark plug; 13. a center electrode; 14. and a side electrode.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a spark plug center electrode positioning tool of a multi-side electrode comprises a positioning tool main body 1, a bolt hole 2, a first bulge 3, a fixed groove 4, a placing groove 5, a limiting head 6, a fixed column 7, a second bulge 8, a fixed hole 9, a limiting groove 10, a connecting groove 11, a spark plug 12, a center electrode 13 and a side electrode 14, wherein the fixed groove 4 is arranged on the lower end face of the positioning tool main body 1, the bolt hole 2 is arranged on the side wall of the fixed groove 4, the first bulge 3 is arranged on the top of the positioning tool main body 1, the placing groove 5 is arranged inside the first bulge 3, the limiting head 6 is arranged at the bottom of the placing groove 5, the limiting head 6 is connected with the connecting groove 11 at the bottom of the fixed column 7, the second bulge 8 is arranged on the top of the fixed column 7, the limiting groove 10 is arranged outside the second bulge 8, and the fixed hole 9 is arranged inside the second bulge, the center electrode 13 at the lower end of the spark plug 12 is positioned in the fixing hole 9, and the side electrode 14 outside the center electrode 13 is connected with the limiting groove 10.

The main part of location frock main part 1 is hollow structure, and the standing groove 5 of location frock main part 1 inside runs through first arch 3, sets up like this and plays the effect of placing fixed column 7, makes things convenient for placing of fixed column 7.

The shape structure of spacing head 6 is "T" type structure, and spacing head 6 is located the central point of standing groove 5 bottoms to spacing head 6, location frock main part 1 and first protruding 3 three between for integrative casting shaping structure, set up like this and play and carry out spacing effect through spread groove 11 to fixed column 7, avoid the rotation of fixed column 7.

The diameter of fixed column 7 is less than the internal diameter of standing groove 5, and the spacing groove 10 in the protruding 8 outside of second in fixed column 7 top corresponds the installation with the side electrode 14 in the center electrode 13 outside, sets up like this that spacing groove 10 in the protruding 8 outside of accessible second carries on spacingly to side electrode 14, avoids spark plug 12 to take place to rotate, is favorable to the processing to spark plug 12.

The hole depth of the fixing hole 9 is larger than the length of the central electrode 13, and the fixing hole 9 is positioned in the central part of the upper end of the fixing column 7, so that the effect of fixing the central electrode 13 is achieved, and the central electrode 13 can be protected.

The working principle is as follows: when the spark plug center electrode positioning tool using the multi-side electrode is used, as shown in fig. 1 and 2, a fixing groove 4 at the bottom of a positioning tool main body 1 is firstly sleeved on a fixing column on a processing table, and the positioning tool main body 1 is fixed through a bolt hole 2 by using a bolt, as shown in fig. 2, 3, 4, 5 and 7, an operator firstly inserts a center electrode 13 at the lower end of a spark plug 12 into a fixing hole 9 at a second bulge 8 at the upper end of the fixing column 7 and inserts a side electrode 14 at the outer side of the center electrode 13 into a limiting groove 10 at the outer side of the second bulge 8, namely, the installation of the spark plug 12 on the fixing column 7 is completed, then, as shown in fig. 1, 2, 6 and 7, the fixing column 7 with a connecting groove 11 is inserted into a placing groove 5 in a first bulge 3 at the top of the positioning tool main body 1, after the bottom of the fixing column 7 is contacted with a limiting head, the fixed column 7 is rotated to enable the connecting groove 11 at the lower end of the fixed column 7 to be sleeved on the limiting head 6, and then the fixed column 7 is placed, so that a series of operations of the spark plug center electrode positioning tool of the multi-side electrode are completed, and the content which is not described in detail in the specification belongs to the prior art which is well known to a person skilled in the art.

It will be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the scope of the present invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a spark plug center electrode location frock of multilateral electrode, includes location frock main part (1), bolt hole (2), spark plug (12), center electrode (13) and side electrode (14), its characterized in that: the lower end face of the positioning tool main body (1) is provided with a fixing groove (4), the side wall of the fixing groove (4) is provided with a bolt hole (2), a first bulge (3) is arranged at the top of the positioning tool main body (1), a placing groove (5) is arranged inside the first bulge (3), a limiting head (6) is arranged at the bottom of the placing groove (5), and the limit head (6) is connected with a connecting groove (11) at the bottom of the fixed column (7), a second bulge (8) is arranged at the top of the fixed column (7), a limit groove (10) is arranged outside the second bulge (8), a fixing hole (9) is arranged in the second bulge (8), a center electrode (13) at the lower end of the spark plug (12) is positioned in the fixing hole (9), and the side electrode (14) outside the central electrode (13) is connected with the limit groove (10).

2. The spark plug center electrode positioning tool for the multi-side electrode as claimed in claim 1, wherein: the main body of the positioning tool main body (1) is of a hollow structure, and a placing groove (5) in the positioning tool main body (1) penetrates through the first protrusion (3).

3. The spark plug center electrode positioning tool for the multi-side electrode as claimed in claim 1, wherein: the shape structure of spacing head (6) is "T" type structure, and spacing head (6) are located the central point of standing groove (5) bottom to be integrative casting shaping structure between spacing head (6), location frock main part (1) and first arch (3) the three.

4. The spark plug center electrode positioning tool for the multi-side electrode as claimed in claim 1, wherein: the diameter of the fixed column (7) is smaller than the inner diameter of the placing groove (5), and the limiting groove (10) on the outer side of the second protrusion (8) at the top end of the fixed column (7) is correspondingly installed with the side electrode (14) on the outer side of the central electrode (13).

5. The spark plug center electrode positioning tool for the multi-side electrode as claimed in claim 1, wherein: the hole depth of the fixing hole (9) is larger than the length of the central electrode (13), and the fixing hole (9) is positioned in the central part of the upper end of the fixing column (7).