Anti-fracture protective ceramic ignition needle
By adding a protective sleeve to the ceramic ignition needle and using the design of a limiting block and a U-shaped pressure block, the ceramic ignition needle can be detachably fixed, which solves the problems of easy breakage and inconvenient maintenance of ceramic ignition needles and improves the convenience of maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-19
- Publication Date
- 2026-04-14
AI Technical Summary
Existing ceramic ignition needles are prone to breakage due to impact during use, and the existing integrated design of the protective sleeve and ignition needle makes maintenance inconvenient.
A protective sleeve was designed, which contains a ceramic ignition needle body. The top limiting block and the bottom U-shaped pressure block are connected by limiting grooves and threads to achieve detachable fixation of the ceramic ignition needle and prevent slippage. It is made of insulating and heat-insulating material.
It effectively prevents the ceramic ignition needle from breaking, improves the convenience of maintenance and replacement, and simplifies disassembly and assembly operations.
Smart Images

Figure CN224121283U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ceramic ignition needle technology, specifically a fracture-resistant protective ceramic ignition needle. Background Technology
[0002] Currently, existing gas stove burners require ignition via an ignition needle. Since these ignition needles are typically made of brittle and hard ceramic and are usually exposed without effective protection, they can easily be damaged or broken by collisions with other parts during the transportation, installation, debugging, cleaning, and maintenance of the gas stove. This can easily lead to electrical leakage from the ignition needle.
[0003] To prevent ceramic ignition needles from being damaged or broken during use, existing ceramic ignition needles typically have a protective sleeve fixed to their exterior. Because the protective sleeve and the ceramic ignition needle are designed as a single, fixed unit, it is inconvenient to separate the ceramic ignition needle from the protective sleeve after a malfunction, making it difficult to replace and repair the components. To address this problem, we propose a fracture-resistant protective ceramic ignition needle. Utility Model Content
[0004] The purpose of this invention is to provide a fracture-resistant protective ceramic ignition needle to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a fracture-resistant protective ceramic ignition needle, comprising:
[0006] A protective sleeve is provided, inside which a ceramic ignition needle body is disposed. A locking block is fixedly installed on the protective sleeve. A first thread is formed on the bottom surface of the protective sleeve, and a nut is threaded onto the first thread of the protective sleeve. A connecting line is installed at the bottom end of the ceramic ignition needle body. Three annularly distributed limiting blocks are fixedly connected to the inner wall of the top end of the protective sleeve. Three annularly distributed limiting grooves are formed on the top wall of the ceramic column of the ceramic ignition needle body. The three limiting blocks are respectively engaged in the three limiting grooves. A U-shaped pressure block is provided at the bottom end of the protective sleeve.
[0007] Preferably, a fixing seat is fixedly installed on the U-shaped pressure block, and an installation rod is rotatably connected to the fixing seat. The top end of the installation rod is provided with a second thread, and a threaded groove is provided on the bottom wall of the nut. The installation rod is threadedly connected to the threaded groove through the second thread.
[0008] Preferably, the fixing seat has a through hole, the mounting rod is disposed in the through hole of the fixing seat, and the mounting rod is fixedly welded to the surface of the top wall and the bottom wall of the fixing seat with limit rings.
[0009] Preferably, a knob is fixedly installed at the bottom end of the mounting rod.
[0010] Preferably, the protective sleeve is made of insulating and heat-insulating material.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] This invention protects the ceramic ignition needle body by fitting a protective sleeve around it, preventing it from breaking easily due to impact. Three limiting blocks at the top of the protective sleeve limit the ceramic ignition needle body, preventing it from sliding upwards within the sleeve. A U-shaped pressure block, screwed onto a nut via an installation rod, presses against the bottom of the ceramic ignition needle body, limiting its downward movement within the sleeve. This design securely mounts the ceramic ignition needle body within the protective sleeve, allowing for easy removal and repair of the needle body in case of malfunction. The entire disassembly and assembly process is simple and convenient, improving the ease of repair or replacement of the ceramic ignition needle body. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of a fracture-resistant protective ceramic ignition needle proposed in this utility model.
[0014] Figure 2 This is a three-dimensional structural diagram of the protective sleeve in a fracture-resistant protective ceramic ignition needle proposed in this utility model.
[0015] Figure 3 This is a three-dimensional structural diagram showing the disassembled mounting rod and nut in a fracture-resistant protective ceramic ignition needle proposed in this utility model.
[0016] In the diagram: 1. Protective sleeve; 2. Ceramic ignition needle body; 3. Locking block; 4. First thread; 5. Nut; 6. Connecting line; 7. Limiting block; 8. Limiting groove; 9. U-shaped pressure block; 10. Fixing base; 11. Mounting rod; 12. Second thread; 13. Thread groove; 14. Limiting ring; 15. Knob. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] Please see Figure 1-3 This utility model provides a technical solution: a fracture-resistant protective ceramic ignition needle, comprising:
[0019] A protective sleeve 1 is provided, inside which a ceramic ignition needle body 2 is disposed. A locking block 3 is fixedly installed on the protective sleeve 1. A first thread 4 is formed on the bottom surface of the protective sleeve 1. A nut 5 is threaded onto the first thread 4 of the protective sleeve 1. A connecting line 6 is installed at the bottom end of the ceramic ignition needle body 2. Three annularly distributed limiting blocks 7 are fixedly connected to the inner wall of the top end of the protective sleeve 1. Three annularly distributed limiting grooves 8 are formed on the top wall of the ceramic column of the ceramic ignition needle body 2. The three limiting blocks 7 are respectively engaged in the three limiting grooves 8. A U-shaped pressure block 9 is provided at the bottom end of the protective sleeve 1.
[0020] A fixing seat 10 is fixedly installed on the U-shaped pressure block 9. An installation rod 11 is rotatably connected to the fixing seat 10. The top end of the installation rod 11 is provided with a second thread 12. The bottom wall of the nut 5 is provided with a threaded groove 13. The installation rod 11 is threaded into the threaded groove 13 through the second thread 12. The installation rod 11 is tightened and fixed to the nut 5, which makes it easy to press the U-shaped pressure block 9 onto the bottom end of the ceramic column of the ceramic ignition needle body 2, thereby locking and fixing the ceramic ignition needle body 2 in the protective sleeve 1.
[0021] The fixed base 10 has a through hole, and the mounting rod 11 is disposed in the through hole of the fixed base 10. The mounting rod 11 is fixedly welded with limit rings 14 on the surface of the top wall and bottom wall of the fixed base 10. The two limit rings 14 facilitate the rotation of the mounting rod 11 on the fixed base 10 and allow the fixed base 10 to move with the mounting rod 11.
[0022] A knob 15 is fixedly installed at the bottom end of the mounting rod 11, and the knob 15 facilitates the rotation of the mounting rod 11.
[0023] The protective sleeve 1 is made of insulating and heat-insulating material.
[0024] Working principle: This utility model uses a protective sleeve 1 fitted over the ceramic ignition needle body 2 to protect it from breakage due to impact. Three limiting blocks 7 at the top of the protective sleeve 1 limit the ceramic ignition needle body 2, preventing it from sliding upwards within the sleeve. A U-shaped pressure block 9, screwed onto a nut 5 via an mounting rod 11, presses against the bottom of the ceramic ignition needle body 2, limiting its downward movement within the sleeve. This effectively secures the ceramic ignition needle body 2 to the protective sleeve 1. This design allows the ceramic ignition needle body 2 to be removed from the protective sleeve 1 for repair after a malfunction. The entire disassembly and assembly operation is simple and convenient, improving the ease of repairing or replacing the ceramic ignition needle body 2. The specific installation method is as follows: first, the protective sleeve 1 is fixedly installed on the stove head by the locking block 3 and the nut 5. Then, the ceramic ignition needle body 2 is inserted into the protective sleeve 1, and the three limiting blocks 7 are respectively inserted into the three limiting grooves 8. Then, the installation rod 11 is tightened into the threaded groove 13 of the nut 5, so that the U-shaped pressure block 9 is pressed into the bottom end of the ceramic ignition needle body 2.
[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0026] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fracture-resistant protective ceramic ignition needle, characterized in that, include: A protective sleeve (1) is provided inside the protective sleeve (1), a ceramic ignition needle body (2) is provided inside the protective sleeve (1), a locking block (3) is fixedly installed on the protective sleeve (1), a first thread (4) is provided on the bottom surface of the protective sleeve (1), a nut (5) is threadedly connected to the first thread (4) of the protective sleeve (1), a connecting line (6) is installed at the bottom of the ceramic ignition needle body (2), three annularly distributed limiting blocks (7) are fixedly connected to the inner wall of the top of the protective sleeve (1), three annularly distributed limiting grooves (8) are provided on the top wall of the ceramic column of the ceramic ignition needle body (2), the three limiting blocks (7) are respectively engaged in the three limiting grooves (8), and a U-shaped pressure block (9) is provided at the bottom of the protective sleeve (1).
2. The fracture-resistant protective ceramic ignition needle according to claim 1, characterized in that: A fixed seat (10) is fixedly installed on the U-shaped pressure block (9). An installation rod (11) is rotatably connected to the fixed seat (10). A second thread (12) is opened at the top of the installation rod (11). A threaded groove (13) is opened on the bottom wall of the nut (5). The installation rod (11) is threadedly connected to the threaded groove (13) through the second thread (12).
3. The fracture-resistant protective ceramic ignition needle according to claim 2, characterized in that: The fixed base (10) has a through hole, and the mounting rod (11) is set in the through hole of the fixed base (10). The mounting rod (11) is fixedly welded with limit rings (14) on the surface of the top wall and bottom wall of the fixed base (10).
4. The fracture-resistant protective ceramic ignition needle according to claim 2, characterized in that: A knob (15) is fixedly installed at the bottom end of the mounting rod (11).
5. The fracture-resistant protective ceramic ignition needle according to claim 1, characterized in that: The protective sleeve (1) is made of insulating and heat-insulating material.