A waterproof plug-in ignition needle

Abstract

This utility model discloses a waterproof plug-in ignition needle, comprising: an installation unit including an installation base with an assembly flange matching the gas outlet; a connecting frame fixedly connected to the installation base, with a waterproof gasket on the connecting frame; an ignition unit symmetrically arranged on both sides of the connecting frame, one end of the ignition unit being close to the gas outlet, and the other end being connected to an igniter; and a reinforcement unit including an aluminum alloy heat-conducting sleeve disposed on the ignition unit, with a drainage groove at the bottom of the aluminum alloy heat-conducting sleeve. This utility model achieves a multi-layer sealing structure through the reinforcement unit during use, preventing water dripping from affecting its normal operation. Simultaneously, the heat dissipation fins dissipate heat from the ignition needle, preventing overheating from affecting subsequent use.

Description

Technical Field

[0001] This utility model relates to the field of gas component technology, and in particular to a plug-in ignition needle with waterproof function. Background Technology

[0002] An ignition needle is a key component in a device used to ignite combustible substances such as gas or fuel. It is usually made of materials that are resistant to high temperatures and high pressures, such as ceramics or metals.

[0003] Existing ignition needles often rely on a single material for their sealing components (such as rubber rings or epoxy resin). Under the scouring of high-temperature combustion gases, they are prone to creep or carbonization, which leads to the failure of the seal between the connecting frame and the insulator, resulting in ignition energy loss and weakening of waterproof function. In addition, in high humidity environments, water is easily retained in the heat dissipation channels, which aggravates electrode oxidation and insulation aging. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] In view of the problems existing in the current waterproof plug-in ignition needle, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a plug-in ignition needle with waterproof function, which solves the problem that "the sealing components mostly rely on a single material (such as rubber ring or epoxy resin), which is prone to creep or carbonization under the scouring of high temperature gas, resulting in the failure of the seal between the connecting frame and the insulator, causing ignition energy loss and weakening the waterproof function. In addition, in high humidity environment, water is easy to accumulate in the heat dissipation channel, which aggravates electrode oxidation and insulation aging".

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a waterproof plug-in ignition needle, comprising:

[0008] The installation unit includes a mounting base, on which an assembly flange matching the gas outlet is provided;

[0009] A connecting frame is fixedly connected to the mounting base, and a waterproof gasket is provided on the connecting frame;

[0010] An ignition unit is symmetrically arranged on both sides of the connecting frame. One end of the ignition unit is close to the gas outlet, and the other end of the ignition unit is connected to the igniter.

[0011] The reinforcement unit includes an aluminum alloy heat-conducting sleeve disposed on the ignition unit, and a drainage groove is provided at the bottom of the aluminum alloy heat-conducting sleeve.

[0012] As a preferred embodiment of the waterproof plug-in ignition needle of this utility model, the ignition unit includes a ceramic insulator disposed on the connecting frame, a corrosion-resistant electrode embedded in the ceramic insulator, and an electrode protective cover disposed on the corrosion-resistant electrode.

[0013] As a preferred embodiment of the waterproof plug-in ignition needle of this utility model, wherein: the aluminum alloy heat-conducting sleeve covers the ceramic insulator, a silicone sealing cavity is provided between the aluminum alloy heat-conducting sleeve and the electrode protective cover, and heat dissipation fins are provided on the drainage groove.

[0014] As a preferred embodiment of the waterproof plug-in ignition needle of this utility model, the mounting base is made of stainless steel, the mounting base is provided with an annular sealing groove, a high-temperature resistant rubber ring is embedded in the annular sealing groove, and the flange edge is provided with a positioning anti-rotation groove.

[0015] As a preferred embodiment of the plug-in ignition needle with waterproof function described in this utility model, the electrode protective cover has a conical opening structure, the front end of the electrode protective cover is provided with a waterproof guide groove, and the rear end of the electrode protective cover is sealed at the joint with the ceramic insulator.

[0016] As a preferred embodiment of the waterproof plug-in ignition needle of this utility model, the corrosion-resistant electrode adopts a stepped plug-in structure, including a tungsten alloy ignition end, one end of which is provided with a copper-nickel alloy connecting end, and the surface of the copper-nickel alloy connecting end is covered with a polytetrafluoroethylene insulating layer.

[0017] As a preferred embodiment of the waterproof plug-in ignition needle of this utility model, a sealing component is provided at the joint between the ceramic insulator and the connecting frame, including an epoxy resin sealing layer, a ceramic fiber pad is provided outside the epoxy resin sealing layer, and a heat shrink sleeve is provided on the ceramic fiber pad.

[0018] As a preferred embodiment of the waterproof plug-in ignition needle of this utility model, the heat dissipation fins are arranged in a wavy, staggered pattern, and the spacing between adjacent fins forms an S-shaped drainage channel.

[0019] The beneficial effects of this utility model are:

[0020] When the gas appliance starts its ignition process, the igniter converts low voltage to high voltage. This high voltage is transmitted to the ignition unit through a wire, generating an electric spark. This spark has sufficient energy to ignite the gas molecules when it comes into contact with the gas ejected from the gas outlet, thus achieving the ignition function. Simultaneously, the reinforced unit provides a multi-layered sealing structure to prevent water dripping from affecting its normal operation. Furthermore, the heat dissipation fins cool the ignition needle, preventing overheating that could affect subsequent use. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0022] Figure 1 This is a frontal schematic diagram of the overall structure of a waterproof plug-in ignition needle proposed in this utility model.

[0023] Figure 2 This is a schematic diagram of a dual ignition unit structure;

[0024] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0025] Figure 4 This is a schematic diagram of the sealing component structure;

[0026] Figure 5 This is a schematic diagram of the mounting base structure.

[0027] In the diagram: 100, Installation unit; 101, Installation base; 102, Annular sealing groove; 103, High-temperature resistant rubber ring; 104, Positioning anti-rotation slot; 200, Connecting frame; 201, Waterproof gasket; 300, Ignition unit; 301, Ceramic insulator; 302, Corrosion-resistant electrode; 302a, Tungsten alloy ignition end; 302b, Copper-nickel alloy connecting end; 302c, Polytetrafluoroethylene insulation layer; 303, Electrode protective cover; 400, Reinforcement unit; 401, Aluminum alloy heat-conducting sleeve; 402, Drainage groove; 403, Heat dissipation fins; 404, Sealing component; 404a, Epoxy resin sealing layer; 404b, Ceramic fiber pad; 404c, Heat shrink tubing. Detailed Implementation

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0029] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0031] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0032] Example 1

[0033] Reference Figures 1 to 3 This is the first embodiment of the present utility model. This embodiment provides a plug-in ignition needle with waterproof function, which can achieve waterproofing and heat dissipation of the ignition needle to avoid affecting the effect of subsequent ignition work. It includes an installation unit 100, including an installation base 101. The installation base 101 is provided with an assembly flange that matches the gas outlet. The installation base 101 is made of stainless steel. The installation base 101 is provided with an annular sealing groove 102. A high-temperature resistant rubber ring 103 is embedded in the annular sealing groove 102. The flange edge is provided with a positioning anti-rotation groove 104.

[0034] A connecting frame 200 is fixedly connected to the mounting base 101, and a waterproof gasket 201 is provided on the connecting frame 200.

[0035] Ignition unit 300 is symmetrically arranged on both sides of connecting frame 200. One end of ignition unit 300 is close to the gas outlet, and the other end of ignition unit 300 is connected to igniter.

[0036] The reinforcement unit 400 includes an aluminum alloy heat-conducting sleeve 401 disposed on the ignition unit 300. The bottom of the aluminum alloy heat-conducting sleeve 401 is provided with a drainage groove 402. The aluminum alloy heat-conducting sleeve 401 covers the ceramic insulator 301. A silicone sealing cavity is provided between the aluminum alloy heat-conducting sleeve 401 and the electrode protective cover 303. Heat dissipation fins 403 are provided on the drainage groove 402. The heat dissipation fins 403 adopt a wave-shaped staggered arrangement design, and the spacing between adjacent fins forms an S-shaped drainage channel.

[0037] When the gas appliance starts its ignition process, the igniter converts low voltage to high voltage. The high voltage is transmitted to the ignition unit 300 through a wire, thereby generating an electric spark. The generated electric spark has sufficient energy. When it approaches the gas ejected from the gas outlet, it enables the gas molecules to gain enough energy to start burning, thus achieving the ignition function. At the same time, the reinforcement unit 400 provides a multi-layer sealing structure to prevent water dripping from affecting its normal operation. Additionally, the heat dissipation fins dissipate heat from the ignition needle to prevent overheating from affecting subsequent use.

[0038] Example 2

[0039] Reference Figures 1 to 5 This is the second embodiment of the present invention. Unlike the previous embodiment, the ignition unit 300 includes a ceramic insulator 301 mounted on a connecting frame 200, a corrosion-resistant electrode 302 embedded in the ceramic insulator 301, and an electrode protective cover 303 on the corrosion-resistant electrode 302. The electrode protective cover 303 has a conical opening structure, a waterproof drainage groove at its front end, and a seal between its rear end and the ceramic insulator 301. The corrosion-resistant electrode 302 adopts a stepped insertion structure. The tungsten alloy ignition end 302a has a copper-nickel alloy connecting end 302b at one end. The surface of the copper-nickel alloy connecting end 302b is covered with a polytetrafluoroethylene insulating layer 302c. A sealing member 404 is provided at the joint between the ceramic insulator 301 and the connecting frame 200, including an epoxy resin sealing layer 404a. A ceramic fiber pad 404b is provided outside the epoxy resin sealing layer 404a. A heat shrink sleeve 404c is provided on the ceramic fiber pad 404b. The outer surface of the electrode protective cover 303 is provided with a hydrophobic coating.

[0040] When in use, the gas equipment is started and ignited. The igniter converts the low voltage to a high voltage and transmits it to the ignition unit 300. The tungsten alloy ignition end 302a of the corrosion-resistant electrode 302 generates an electric spark, igniting the mixed gas ejected from the gas outlet. The ceramic insulator 301 and the polytetrafluoroethylene insulation layer 302c ensure safe electrical conduction. The electrode protective cover 303 uses a conical constriction structure and a hydrophobic coating to divert external moisture and prevent it from seeping into the interior. The aluminum alloy heat-conducting sleeve 401 of the reinforcement unit 400, together with the wave-shaped heat dissipation fins 403, accelerates heat dissipation. At the same time, the bottom drainage groove 402 and the silicone sealing cavity work together to block ambient moisture. The epoxy resin sealing layer 404a and the ceramic fiber pad 404b further enhance the waterproof and high-temperature resistance of the connection, ensuring the stable operation of the ignition unit 300 under complex conditions such as humidity and high temperature.

[0041] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A plug-in ignition needle having a waterproof function, characterized by: include: The installation unit (100) includes an installation base (101) on which an assembly flange matching the gas outlet is provided; A connecting frame (200) is fixedly connected to a mounting base (101), and a waterproof gasket (201) is provided on the connecting frame (200). Ignition unit (300), the ignition unit (300) is symmetrically arranged on both sides of the connecting frame (200), one end of the ignition unit (300) is close to the gas outlet, and the other end of the ignition unit (300) is connected to the igniter; The reinforcement unit (400) includes an aluminum alloy heat-conducting sleeve (401) disposed on the ignition unit (300), and a drainage groove (402) is provided at the bottom of the aluminum alloy heat-conducting sleeve (401).

2. The plug-in ignition needle with waterproof function according to claim 1, characterized in that: The ignition unit (300) includes a ceramic insulator (301) disposed on the connecting frame (200), a corrosion-resistant electrode (302) embedded in the ceramic insulator (301), and an electrode protective cover (303) disposed on the corrosion-resistant electrode (302).

3. The plug-in ignition needle with waterproof function according to claim 2, characterized in that: The aluminum alloy heat-conducting sleeve (401) covers the ceramic insulator (301), and a silicone sealing cavity is provided between the aluminum alloy heat-conducting sleeve (401) and the electrode protective cover (303). Heat dissipation fins (403) are provided on the drainage groove (402).

4. The plug-in ignition needle with waterproof function according to claim 1, characterized in that: The mounting base (101) is made of stainless steel. The mounting base (101) is provided with an annular sealing groove (102). A high-temperature resistant rubber ring (103) is embedded in the annular sealing groove (102). The flange edge is provided with a positioning anti-rotation groove (104).

5. The plug-in ignition needle with waterproof function according to claim 2, characterized in that: The electrode protective cover (303) has a tapered opening structure. The front end of the electrode protective cover (303) is provided with a waterproof drainage groove. The rear end of the electrode protective cover (303) is sealed at the joint with the ceramic insulator (301).

6. The plug-in ignition needle with waterproof function according to claim 2, characterized in that: The corrosion-resistant electrode (302) adopts a stepped plug-in structure, including a tungsten alloy ignition end (302a), one end of which is provided with a copper-nickel alloy connecting end (302b), and the surface of the copper-nickel alloy connecting end (302b) is covered with a polytetrafluoroethylene insulating layer (302c).

7. The plug-in ignition needle with waterproof function according to claim 2, characterized in that: A sealing member (404) is provided at the junction of the ceramic insulator (301) and the connecting frame (200), including an epoxy resin sealing layer (404a), a ceramic fiber pad (404b) is provided outside the epoxy resin sealing layer (404a), and a heat shrink sleeve (404c) is provided on the ceramic fiber pad (404b).

8. The plug-in ignition needle with waterproof function according to claim 3, characterized in that: The heat dissipation fins (403) are designed with a wave-shaped staggered arrangement, and the spacing between adjacent fins forms an S-shaped drainage channel.

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