A lighter with a new valve seat

CN224905001UActive Publication Date: 2026-10-27DONGYANG SHENGBO HARDWARE PRODUCTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202522295660.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-30
Publication Date
2026-10-27
Estimated Expiration
2035-10-30

AI Technical Summary

Technical Problem

[0004]打火枪多采用丁烷等可燃气体,这类气体泄漏后与空气混合易形成爆炸混合物,遇明火、高温或撞击极易引发爆炸,阀座作为连接气罐与出气通道的关键密封部件,一旦因密封件老化、阀芯磨损或阀体缺陷导致漏气,泄漏的燃气会在空气中积聚,若接触灶台明火、电火花等点火源,可能瞬间引发爆燃,造成烫伤、火灾等安全事故,为此提出一种具有新型阀座的打火枪来解决上述问题

Benefits of technology

1、本实用新型中,当需要使用打火枪时,操作人员向装置底部方向推动核心控制部件阀门,密封舱一逐渐脱离与气室一入口的密封接触,密封舱二也随之与气室二入口分离,阀门内部预设的空腔一与气室一形成连通状态,空腔二也与气室二精准对接,外部气体借助这两条独立通路,分别通过空腔一流入气室一、通过空腔二流入气室二,最终汇聚至打火枪的内部燃烧系统,配合点火组件实现成功打火。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224905001U_ABST
    Figure CN224905001U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of fire gun, disclose a fire gun with novel valve seat, including fire gun, the inside of fire gun is provided with anti -leakage device, the anti -leakage device includes valve, the inside of fire gun is provided with air inlet, the inside one side of fire gun is provided with air chamber no.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of lighters, and more particularly to a lighter with a novel valve seat. Background Technology

[0002] A lighter is a portable ignition tool that uses a high-voltage electric spark to ignite gas. It is widely used in home kitchens, outdoor camping, and other scenarios. Its core structure consists of four parts: a gas canister, a valve body, an ignition device, and a nozzle. The gas canister stores combustible gases such as butane, and the gas release is controlled by the valve body. The ignition device is mostly piezoelectric ceramic type, which generates high voltage when pressed, forming an electric spark at the nozzle. The gas ignites when it comes into contact with the electric spark, forming a stable flame.

[0003] The valve seat of a lighter is the core component that controls the gas supply and flow. It is a key hub connecting the gas canister, valve core, and gas outlet channel, and is directly related to the safety of use and the stability of the flame. Under normal conditions, the valve core is pressed tightly against the vent hole of the valve seat under the action of the spring to form an airtight seal. When igniting, the valve stem moves the valve core to open the channel, and the gas is output after being regulated by the gas filtration mechanism.

[0004] Lighters often use flammable gases such as butane. When these gases leak, they mix with air and easily form an explosive mixture. When exposed to open flames, high temperatures, or impacts, they can easily explode. As a key sealing component connecting the gas cylinder and the gas outlet, the valve seat is prone to leaks due to aging seals, wear of the valve core, or defects in the valve body. The leaked gas will accumulate in the air and may instantly ignite upon contact with open flames, electric sparks, or other ignition sources, causing burns, fires, and other safety accidents. Therefore, a new type of lighter with a novel valve seat is proposed to solve the above problems. Summary of the Invention

[0005] To overcome the above shortcomings, this utility model provides a lighter with a novel valve seat, aiming to improve the existing technology where the valve seat, as a key sealing component connecting the gas cylinder and the gas outlet channel, leaks gas due to aging of the seal, wear of the valve core, or defects in the valve body. The leaked gas accumulates in the air and may instantly ignite upon contact with an open flame, electric spark, or other ignition source, causing burns, fires, and other safety accidents.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a lighter with a novel valve seat, comprising a lighter, wherein the lighter is provided with an anti-leakage device; the anti-leakage device includes a valve, the lighter has an air inlet, an air chamber one is provided on one side of the lighter, an air chamber two is provided on the other side of the lighter, a stop block is fixedly connected to the lighter, a cavity one is provided on one side of the valve, a cavity two is provided on the other side of the valve, a sealing chamber one is fixedly connected to one side of the valve, and a sealing chamber two is fixedly connected to the other side of the valve.

[0007] As a further description of the above technical solution: the size of the interconnecting groove inside the air chamber is matched with the size of the interconnecting groove inside the cavity.

[0008] As a further description of the above technical solution: the size of the interconnecting groove inside the second air chamber matches the size of the interconnecting groove inside the second cavity.

[0009] As a further description of the above technical solution: the size of the interconnecting groove inside the air chamber is matched with the size of the sealed chamber.

[0010] As a further description of the above technical solution: the size of the interconnecting groove inside the second air chamber matches the size of the second sealed chamber.

[0011] As a further description of the above technical solution: the lighter has two sets of air chambers inside, and the two sets of air chambers are separated by a baffle.

[0012] As a further description of the above technical solution: the lighter has two sets of gas chambers inside, and the two sets of gas chambers are separated by a baffle.

[0013] As a further description of the above technical solution: the valve is slidably connected to the outside of the lighter.

[0014] This utility model has the following beneficial effects: 1. In this utility model, when the lighter needs to be used, the operator pushes the valve of the core control component towards the bottom of the device. The first sealed chamber gradually separates from the sealed contact with the inlet of the first gas chamber, and the second sealed chamber also separates from the inlet of the second gas chamber. The first cavity inside the valve is connected to the first gas chamber, and the second cavity is precisely connected to the second gas chamber. External gas flows into the first gas chamber through the first cavity and into the second gas chamber through the second cavity, respectively, through these two independent channels, and finally converges into the internal combustion system of the lighter, and achieves successful ignition with the ignition component. Attached Figure Description

[0015] Figure 1A three-dimensional schematic diagram of a lighter with a novel valve seat proposed in this utility model. Figure 2 A three-dimensional side view of a lighter with a novel valve seat proposed in this utility model. Figure 3 This is a three-dimensional cross-sectional schematic diagram of a lighter with a novel valve seat proposed in this utility model. Figure 4 This is a three-dimensional sectional view of the side of a lighter with a novel valve seat proposed in this utility model.

[0016] Legend: 1. Lighter; 2. Leak-proof device; 21. Valve; 22. Air inlet; 23. Air chamber one; 24. Air chamber two; 25. Block; 26. Cavity one; 27. Cavity two; 28. Sealed chamber one; 29. ​​Sealed chamber two. 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] Reference Figure 2 - Figure 4This utility model provides an embodiment of a lighter with a novel valve seat, comprising a lighter 1, wherein a leak-proof device 2 is provided inside the lighter 1; the leak-proof device 2 includes a valve 21, which is slidably connected to the outside of the lighter 1, and the entire leak-proof device 2 is activated by the sliding of the valve 21; an air inlet 22 is provided inside the lighter 1, an air chamber 23 is provided on one side of the lighter 1, and an air chamber 24 is provided on the other side of the lighter 1. The lighter 1 has two gas chambers 24 inside, separated by a stop block 25. The distance between the two gas chambers 24 corresponds to the diameter of the cavity 27. The stop block 25 is fixedly connected inside the lighter 1. The lighter 1 also has two gas chambers 23 inside, separated by a stop block 25. The distance between the two gas chambers 23 corresponds to the diameter of the cavity 26. The valve 21 has a cavity 26 on one side inside. 26. The size of the interconnecting groove inside the first gas chamber 23 matches the size of the interconnecting groove inside the first cavity 26. This design allows gas to flow into the first cavity 26 through the interconnecting groove inside the first gas chamber 23. A second cavity 27 is provided on the other side of the valve 21. The size of the interconnecting groove inside the second gas chamber 24 matches the size of the interconnecting groove inside the second cavity 27. This design allows gas to flow into the second cavity 27 through the interconnecting groove inside the second gas chamber 24. A sealing chamber 28 is fixedly connected to one side of the valve 21. The size of the interconnecting groove inside the first gas chamber 23 matches the size of the sealing chamber 28. This design allows the sealing chamber 28 to block the first gas chamber 23, preventing further gas flow. A second sealing chamber 29 is fixedly connected to the other side of the valve 21. The size of the interconnecting groove inside the second gas chamber 24 matches the size of the sealing chamber 29. This design allows the sealing chamber 29 to block the second gas chamber 24, preventing further gas flow.

[0019] Working Principle: The core gas control area inside the lighter 1 is fixedly equipped with a stop block 25, which serves as a key limit and separator. This stop block 25 has a symmetrical structure, with two independent gas-containing spaces, gas chamber one 23 and gas chamber two 24, carved out on its bottom left and right sides respectively. In the initial state when the lighter 1 is not in use, the gas inlet of gas chamber one 23 is completely covered and blocked by a precisely matched sealing chamber one 28, while the gas inlet of gas chamber two 24 is tightly sealed by sealing chamber two 29. This double-sealing design directly cuts off the passage for external gas to enter the lighter 1. At this time, gas cannot flow into the combustion chamber, and the lighter 1 is therefore in a safe standby state where it cannot be ignited. When the lighter 1 needs to be used, the operator pushes the core control component valve 21 towards the bottom of the device. As the valve 21 moves downward, the integrated sealing chamber one 28 and sealing chamber two 29 slide synchronously towards the bottom along a preset trajectory. During this process, the first sealed chamber 28 gradually detaches from the sealed contact with the inlet of the first gas chamber 23, and the second sealed chamber 29 also separates from the inlet of the second gas chamber 24, thus opening the previously blocked gas passage. At the same time, the pre-set cavity 26 inside the valve 21 connects with the first gas chamber 23, and the second cavity 27 precisely connects with the second gas chamber 24. External gas flows into the first gas chamber 23 through the first cavity 26 and into the second gas chamber 24 through the second cavity 27 via these two independent passages, ultimately converging into the internal combustion system of the lighter 1, and successfully igniting in conjunction with the ignition assembly. It is worth noting that throughout the entire operation, the valve 21 always serves as the core sealing carrier, maintaining a tight assembly relationship with the first sealed chamber 28 and the second sealed chamber 29, forming multiple protective barriers. This structural design strictly limits the flow range of gas, ensuring that the gas only moves within the closed channel formed by gas chamber 1 23, gas chamber 24, cavity 1 26, and cavity 27. This effectively prevents the gas from leaking out of the limited area and fundamentally eliminates safety accidents such as fire and explosion that may be caused by gas leakage, providing a reliable guarantee for the safety of operators.

[0020] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A lighter with a novel valve seat, comprising a lighter (1), characterized in that: The lighter (1) is equipped with a leak-proof device (2) inside; The leak-proof device (2) includes a valve (21), an air inlet (22) is provided inside the lighter (1), an air chamber one (23) is provided on one side of the lighter (1), an air chamber two (24) is provided on the other side of the lighter (1), a stop block (25) is fixedly connected inside the lighter (1), a cavity one (26) is provided on one side of the valve (21), a cavity two (27) is provided on the other side of the valve (21), a sealing chamber one (28) is fixedly connected on one side of the valve (21), and a sealing chamber two (29) is fixedly connected on the other side of the valve (21).

2. A lighter with a novel valve seat according to claim 1, characterized in that: The dimensions of the interconnecting slots inside the air chamber (23) match the dimensions of the interconnecting slots inside the cavity (26).

3. A lighter with a novel valve seat according to claim 1, characterized in that: The dimensions of the interconnecting slots inside the second air chamber (24) match the dimensions of the interconnecting slots inside the second cavity (27).

4. A lighter with a novel valve seat according to claim 1, characterized in that: The dimensions of the interconnecting slots inside the first air chamber (23) match the dimensions of the first sealed chamber (28).

5. A lighter with a novel valve seat according to claim 1, characterized in that: The dimensions of the interconnecting slots inside the second air chamber (24) match the dimensions of the second sealed chamber (29).

6. A lighter with a novel valve seat according to claim 1, characterized in that: The lighter (1) has two sets of air chambers (23) inside, and the two sets of air chambers (23) are separated by a block (25).

7. A lighter with a novel valve seat according to claim 1, characterized in that: The lighter (1) has two sets of air chambers (24) inside, and the two sets of air chambers (24) are separated by a block (25).

8. A lighter with a novel valve seat according to claim 1, characterized in that: The valve (21) is slidably connected to the outside of the lighter (1).