CN220551937U

CN220551937U - Ignition electrode structure

Info

Publication number: CN220551937U
Application number: CN202322247136.XU
Authority: CN
Inventors: 张文平; 翟玉佳; 冀广芳
Original assignee: Baoying Rongtai Electronic Co ltd
Current assignee: Baoying Rongtai Electronic Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-03-01
Anticipated expiration: 2033-08-21

Abstract

The utility model belongs to the technical field of combustion systems and ignition, and particularly relates to an ignition electrode structure, which comprises a shell and electrodes, wherein the electrodes are arranged in the shell, limiting blocks are arranged at the bottom of the electrodes at equal intervals, limiting sliding grooves are formed in the inner wall of the shell, movable rings are communicated with the top of each limiting sliding groove, the limiting blocks of the electrodes are positioned in the limiting sliding grooves and move up and down, and the limiting blocks of the electrodes are positioned in the movable rings to rotate and synchronously drive the electrodes to rotate. The utility model is beneficial to the direction conversion of the electrode after the aging or damage of one side of the ignition electrode, and can quickly complete the replacement, and meanwhile, a protective structure is added to avoid the easy contact of corrosive gas and the whole outer wall of the ignition electrode.

Description

Ignition electrode structure

Technical Field

The utility model relates to the technical field of combustion systems and ignition, in particular to an ignition electrode structure.

Background

The ignition electrode is part of a gas ignition system, and the high voltage generated by the high voltage igniter initiates a spark between the metal needle at the tip of the ignition electrode and the burner, thereby igniting the gas.

According to the existing patent (publication No. CN 209026855U) and an ignition electrode structure for an annealing furnace of a galvanizing unit, when an electrode head is detached from a first electrode part, the ignition electrode core is enabled to integrally move forwards under the drive of threads through rotating the ignition electrode core when a new electrode head is installed due to insufficient length of the first electrode part, so that the ignition electrode core extending out of a first sleeve part can be provided with the electrode head, the residual ignition electrode core can be reused, the utilization rate of the ignition electrode core is improved, however, in the long-term use process of the ignition electrode, due to the fact that the ignition direction is consistent and the discharge direction is consistent, one side which is subjected to long-term discharge is easy to age fast, meanwhile, one side which is easy to contact with corrosive gas is easy to contact with, the aging speed exceeds the other side, one side of the ignition electrode cannot be damaged or is easy to make direction conversion after aging, and meanwhile, the ignition electrode is easy to directly contact with the whole outer wall of the ignition electrode due to lack of protective structure.

Therefore, we propose an ignition electrode structure, be favorable to ageing or damaging the back to electrode in ignition electrode one side and carry out the direction conversion, accomplish the replacement fast, increase protective structure simultaneously, avoid corrosive gas and ignition electrode whole outer wall to contact easily.

Disclosure of Invention

The utility model aims to provide an ignition electrode structure, which solves the problems that in the prior art, as ignition directions are consistent and discharge directions are consistent in the long-term use process of the ignition electrode, one side of the long-term discharge is easy to age quickly, meanwhile, one side of the discharge approaches to an ignition position, corrosive gas is easy to contact, the aging speed exceeds the other side, one side of the ignition electrode cannot be damaged or is subjected to direction conversion after aging, and meanwhile, the electrode is lack of a protective structure, and the corrosive gas is easy to contact with the whole outer wall of the ignition electrode.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an ignition electrode structure, includes shell and electrode, shell internally mounted has the electrode, electrode bottom equidistance is provided with the stopper, spacing sliding tray has been seted up to the shell inner wall, spacing sliding tray top intercommunication has the expansion ring, the stopper of electrode is located spacing sliding tray and reciprocates, the stopper of electrode is located the expansion ring and rotates, and drives the electrode in step and rotate.

Preferably, the top of the outer wall of the electrode is provided with an annular groove, the electrode head is elliptical, and the diameter of the electrode head is larger than that of the bottom of the electrode.

Preferably, the bottom of the outer wall of the shell is connected with a protective shell, and the outer wall of the bottom of the protective shell is provided with fixed threads.

Preferably, the bottom of the electrode is connected with the connecting post through the connecting post, and the contact position of the electrode and the connecting post is positioned in the protective shell.

Preferably, the bottom end of the connecting column is connected with a wiring, and the wiring, the connecting column, the electric connecting column and the electrode form a passage.

Compared with the prior art, the utility model has the beneficial effects that:

1) According to the ignition electrode structure, the limiting block, the limiting sliding groove and the movable ring are arranged, the top of the electrode is pulled to lift the ignition electrode, namely, the limiting block of the electrode slides in the limiting sliding groove from bottom to top, then the limiting block enters the movable ring, the electrode is rotated by 180 degrees through rotating the electrode, the electrode is pressed down again, and then the limiting block of the electrode enters the limiting sliding groove from the movable ring and slides from top to bottom, so that the direction of the electrode is changed after one side of the ignition electrode is aged or damaged, and the replacement is completed quickly.

2) According to the ignition electrode structure, due to the arrangement of the annular groove, when corrosive gas rises, the top of the electrode with the elliptical shape can be protected due to the fact that the electrode head is large, the outer wall of the electrode with the elliptical shape can be protected due to the concave shape of the annular groove, and when the corrosive gas flows from top to bottom, the bottom of the electrode with the elliptical shape can be protected by the head, so that the corrosive gas and the whole outer wall of the ignition electrode are prevented from being easily contacted.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an ignition electrode structure of the present utility model;

FIG. 2 is a schematic diagram of the overall internal structure of the ignition electrode structure of the present utility model;

FIG. 3 is a schematic view of an electrode structure of the ignition electrode structure of the present utility model;

fig. 4 is an enlarged schematic view of a portion of fig. 2 showing the structure of the ignition electrode of the present utility model.

In the figure: 1. a housing; 2. an electrode; 3. a protective shell; 4. a fixed thread; 5. connecting a column; 6. wiring; 7. a movable ring; 8. a limit sliding groove; 9. a power connection column; 10. a limiting block; 11. an annular groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

referring to fig. 1-4, the present utility model provides a technical solution: the ignition electrode structure comprises a shell 1 and an electrode 2, wherein the electrode 2 is arranged in the shell 1, limiting blocks 10 are equidistantly arranged at the bottom of the electrode 2, limiting sliding grooves 8 are formed in the inner wall of the shell 1, movable rings 7 are communicated with the top of the limiting sliding grooves 8, the limiting blocks 10 of the electrode 2 are positioned in the limiting sliding grooves 8 to move up and down, and the limiting blocks 10 of the electrode 2 are positioned in the movable rings 7 to rotate synchronously to drive the electrode 2 to rotate;

the top of the electrode 2 is pulled to lift the electrode, namely, the limiting block 10 of the electrode 2 slides in the limiting sliding groove 8 from bottom to top, the limiting block 10 enters the movable ring 7, the electrode 2 is rotated 180 degrees through rotating the electrode 2, the electrode 2 is pressed down again, the limiting block 10 of the electrode 2 enters the limiting sliding groove 8 from the movable ring 7 and slides from top to bottom, the discharge surface of the electrode 2 is replaced, and the need of disassembling and replacing the integral ignition electrode 2 is avoided.

The top of the outer wall of the electrode 2 is provided with an annular groove 11, the head of the electrode 2 is elliptical, the diameter of the head of the electrode 2 is larger than the diameter of the bottom of the electrode 2, and further when corrosive gas rises, the top of the electrode 2 in an elliptical shape can be protected due to the fact that the head of the electrode 2 is larger, the outer wall of the electrode 2 can be protected due to the concave shape of the annular groove 11, and when corrosive gas flows from top to bottom, the head can protect the bottom of the electrode 2 in an elliptical shape, so that the corrosive gas is prevented from easily contacting with the whole outer wall of the ignition electrode 2.

Wherein, shell 1 outer wall bottom is connected with protective housing 3, and protective housing 3 adopts insulating ceramic material, avoids through protective housing 3 fixed screw thread 4 has been seted up to protective housing 3 bottom outer wall.

The bottom of the electrode 2 is connected with the connecting column 5 through the connecting column 9, the connecting column 5 is connected with the electrode 2 through the connecting column 9, the contact position of the electrode 2 and the connecting column 5 is located inside the protective shell 3, the electric leakage problem between the electrode 2 and the connecting column 5 is avoided, and the insulating sealing is carried out through the protective shell 3.

The bottom end of the connecting column 5 is connected with a wiring 6, the connecting column 5, the connecting column 9 and the electrode 2 form a passage, the wiring 6 is connected with an external circuit, and current forms discharge through the wiring 6, the connecting column 5, the connecting column 9 and the electrode 2 in sequence.

Working principle: the wiring 6 is connected with an external circuit, the current forms discharge through the wiring 6, the connecting column 5, the connecting column 9 and the electrode 2 in sequence, when the ignition difficulty occurs or one side of the ignition electrode 2 is damaged, the top of the electrode 2 is pulled to lift the ignition electrode, namely, a limiting block 10 of the electrode 2 slides from bottom to top in a limiting sliding groove 8, the limiting block 10 enters a movable ring 7, the electrode 2 is rotated 180 degrees through rotating the electrode 2, the electrode 2 is pressed down again, the limiting block 10 of the electrode 2 enters the limiting sliding groove 8 from the movable ring 7 and slides from top to bottom, the discharge surface of the electrode 2 is further completed, corrosive gas exists outside the ignition electrode 2, when the corrosive gas rises, the top of the electrode 2 can be protected due to the fact that the head of the electrode 2 is large, the concave shape of the annular groove 11 can protect the outer wall of the electrode 2, and when the corrosive gas flows from top to bottom, the head can protect the bottom of the electrode 2 in an elliptical shape.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an ignition electrode structure, includes shell (1) and electrode (2), shell (1) internally mounted has electrode (2), its characterized in that: limiting blocks (10) are arranged at the bottom of the electrode (2) at equal intervals, limiting sliding grooves (8) are formed in the inner wall of the shell (1), movable rings (7) are communicated with the top of the limiting sliding grooves (8), the limiting blocks (10) of the electrode (2) are located in the limiting sliding grooves (8) and move up and down, and the limiting blocks (10) of the electrode (2) are located in the movable rings (7) and synchronously drive the electrode (2) to rotate.

2. An ignition electrode structure as defined in claim 1, wherein: an annular groove (11) is formed in the top of the outer wall of the electrode (2), the head of the electrode (2) is elliptical, and the diameter of the head of the electrode (2) is larger than that of the bottom of the electrode (2).

3. An ignition electrode structure as defined in claim 1, wherein: the bottom of the outer wall of the shell (1) is connected with a protective shell (3), and the outer wall of the bottom of the protective shell (3) is provided with a fixed thread (4).

4. An ignition electrode structure as defined in claim 3, wherein: the bottom of the electrode (2) is connected with the connecting column (5) through the power connecting column (9), and the contact position of the electrode (2) and the connecting column (5) is located in the protective shell (3).

5. An ignition electrode structure as defined in claim 4, wherein: the bottom end of the connecting column (5) is connected with a wiring (6), and the wiring (6), the connecting column (5), the power connecting column (9) and the electrode (2) form a passage.