A sand wheel type windproof lighter

Abstract

The technical field of the lighter, especially relates to a sand wheel type windproof lighter, which comprises a casing, an ignition mechanism, a gas supply mechanism and an ignition button, the casing is internally provided with a storage chamber, and a windproof cover is buckled on the top of the casing; the ignition mechanism comprises a flint, a sand wheel and a sand wheel frame; the gas supply mechanism comprises a gas outlet valve, a liquid absorbing core, a gas nozzle and a flame adjusting button, the gas nozzle is externally circumferentially surrounded by a flow guide cover, and the sidewall of the flow guide cover is provided with an ignition through hole; and the casing is internally provided with a flap for linkage of the ignition button and the gas outlet valve. The application has the effect of improving the flame instability under the interference of air flow and improving the flame stability of the sand wheel lighter.

Description

Technical Field

[0001] This application relates to the technical field of lighters, and in particular to a grinding wheel type windproof lighter. Background Technology

[0002] A flint lighter is a portable ignition tool that uses a flint wheel to create a spark, igniting fuel. The basic structure of a flint lighter includes a casing, a fuel storage chamber, an ignition mechanism, and a gas supply mechanism.

[0003] In related technologies, to meet the needs of outdoor use, flint lighters usually have a windproof cover around the nozzle to improve flame stability.

[0004] Regarding the aforementioned technologies, wind shields typically employ a metal cover with side wall ventilation holes, which can block some airflow but cannot effectively maintain the pressure balance in the combustion zone. This can easily lead to the flame becoming unstable under the impact of airflow. Although it can reduce the interference of light winds, the flame still has the problem of shifting or going out in strong wind environments. Utility Model Content

[0005] In order to improve the flame stability of the flint lighter by reducing the instability of the flame under airflow interference, this application provides a flint-type windproof lighter.

[0006] The present application provides a grinding wheel-type windproof lighter with the following technical solution: A sand wheel type windproof lighter includes a housing, an ignition mechanism, a gas supply mechanism and an ignition button installed in the housing, the housing having a storage chamber for storing liquid fuel, and a windproof cover fastened to the top of the housing. The ignition mechanism includes a flint, a grinding wheel that cooperates with the flint, and a grinding wheel frame for mounting the flint and the grinding wheel. The gas supply mechanism includes an outlet valve, a liquid suction core connected to the lower part of the outlet valve and extending into the storage chamber for guiding liquid fuel, an air nozzle installed above the outlet valve, and a flame adjustment button installed on the outlet valve. The air nozzle is surrounded by a flow guide shroud for supporting the flame, and the side wall of the flow guide shroud has an ignition through hole on the side facing the ignition mechanism. The housing is equipped with a rocker arm for linking the ignition button and the exhaust valve, and a support plate for supporting the rocker arm is integrally connected inside the housing.

[0007] By employing the above technical solutions, the circumferential enclosure of the jet nozzle creates a sealed, confined space within the combustion zone, thus buffering the impact of external airflow and maintaining internal pressure balance, enhancing the flame's resistance to deviation in strong winds. The distance between the inner wall of the circumferential enclosure and the jet nozzle ensures that the flame root is physically anchored within the enclosure, preventing airflow stretching that could cause flame dispersion and maintaining concentrated and stable combustion. Ignition through-holes on the side wall of the circumferential enclosure, facing the ignition mechanism, allow sparks generated by the grinding wheel friction to be precisely guided into the combustion zone, preventing ignition failures caused by spark scattering and improving the first-time ignition success rate. The support plate provides a central fulcrum for the rocker arm, ensuring that when the ignition button is pressed, the force is vertically transmitted to the exhaust valve, preventing the exhaust valve from tilting and causing the flame to spray off-center, thus guaranteeing the reliability of the flame spray direction.

[0008] Furthermore, the fairing is symmetrically arranged on the outer wall and integrally connected with anti-rotor plates, the two anti-rotor plates are arranged along the tangential direction of the outer wall of the fairing, and the wind shield is integrally connected to the inner wall with protruding ribs for abutting against the anti-rotor plates.

[0009] By adopting the above technical solution, the anti-rotation vanes are symmetrically arranged along the tangential direction of the outer wall of the deflector, so that the end faces of the protruding ribs on the inner wall of the deflector abut against the side of the vanes, locking the circumferential rotational freedom of the deflector and preventing flame support instability caused by the deflector rotating synchronously with the exhaust valve when adjusting the flame size. The deflector is made of metal and has integrated protruding ribs, which allows the heat of the high-temperature flame to be quickly conducted and dispersed through the metal protruding ribs. Compared with integrating the limiting structure into the plastic housing, this avoids the plastic limiting structure from melting and failing when the deflector is heated, thus ensuring the reliability of the limiting function during long-term use.

[0010] Furthermore, the top side of the wind shield is provided with a flame through hole for the flame to pass through, and the flame through hole is located at the top position of the guide shroud. The wind shield is provided with a grinding wheel through hole at an adjacent position for the grinding wheel to pass through.

[0011] By adopting the above technical solution, the flame through-hole is directly opposite the top of the deflector, allowing the flame to be concentrated and vertically sprayed without obstruction. This avoids energy loss and sudden temperature drops caused by the flame impacting the side wall of the windshield, thus maintaining the integrity of the high-temperature core area of ​​the flame and improving combustion continuity in strong wind environments. The grinding wheel through-hole is located adjacent to the flame through-hole, resulting in a highly compact spatial layout between the grinding wheel holder and the ignition mechanism. This ensures that the user's thumb naturally covers the grinding wheel and ignition button when operating with one hand, thus conforming to ergonomic design and improving the smoothness of the ignition action. The adjacent position of the flame through-hole and the grinding wheel through-hole ensures that the spark generated by the friction of the grinding wheel enters the ignition through-hole of the deflector via the shortest straight path, eliminating scattering losses during spark transmission and further improving the reliability of spark ignition of fuel.

[0012] Furthermore, the windproof cover has claws integrally connected to both sides for engaging and fixing with the housing. The housing has a sliding groove on its outer wall for inserting the claws. A fastening protrusion is integrally connected to the outer wall of the housing within the sliding groove. The claw has a fastening through hole for engaging the fastening protrusion.

[0013] By adopting the above technical solution, a sliding groove is opened on the outer wall of the housing, allowing the claws of the windshield to be precisely guided into the predetermined position along the groove, eliminating positional deviations during assembly and ensuring the positioning accuracy of the windshield and the air deflector. An integrated, molded fastening protrusion within the groove, in conjunction with the claw fastening through-holes, allows the protrusion to automatically engage with the through-holes when the claws slide into the bottom of the groove, forming an integrated guiding and locking structure. This improves assembly efficiency and prevents accidental disengagement of the windshield. The sidewall of the groove provides a wrapping and limiting effect on the claws, ensuring that when the windshield is subjected to impact, the external force is evenly distributed from the sidewall of the groove to the entire housing, rather than being applied at a single point, thereby improving impact resistance and extending service life.

[0014] Furthermore, the grinding wheel frame includes a connecting plate for connecting to the housing, a mounting plate for rotating the grinding wheel, and a flint cylinder for mounting the flint. The connecting plate and the mounting plate are integrally connected, and a U-shaped clearance groove for mounting the grinding wheel is formed through the connecting plate and the mounting plate. The flint cylinder is integrally connected to the side of the mounting plate away from the U-shaped relief groove and extends into the housing. The flint is inserted into the flint cylinder and frictionally engages with the flint cylinder. The mounting plate has a flint through hole that communicates with the interior of the flint cylinder and allows the flint to pass through. The end of the flint extends out of the flint through hole to engage with the grinding wheel.

[0015] By adopting the above technical solution, the connecting plate, mounting plate, and flint cylinder are integrally molded, forming a rigid, integrated structure for the grinding wheel frame. This completely eliminates the risk of loose screws associated with traditional split-type installations, ensuring the stability of the ignition mechanism during long-term use. A U-shaped clearance groove runs through the connecting plate and mounting plate, allowing the grinding wheel shaft to be directly embedded within the groove. Assembly requires no tools for tightening or welding; installation can be completed simply by hand, significantly improving production efficiency. The flint cylinder is vertically connected to the mounting plate and features a flint through-hole. This ensures that after the flint is inserted, its end precisely extends beyond the through-hole, maintaining a constant optimal contact length between the flint and the grinding wheel friction surface. This prevents spark scattering caused by flint misalignment, improving the success rate of ignition each time.

[0016] Furthermore, the width of the connecting plate matches the distance between the two inner sidewalls of the housing, and the housing has a snap-fit ​​groove on its inner wall for the connecting plate to be snapped into.

[0017] By adopting the above technical solution, the width of the connecting plate is precisely matched with the distance between the inner sidewalls of the housing. This ensures that when the grinding wheel holder is inserted, the inner wall of the housing forms a rigid double-sided limit on the connecting plate, completely eliminating lateral swaying gaps and ensuring the absolute stability of the ignition mechanism under vibration and impact. A snap-fit ​​groove is provided on the inner wall of the housing, allowing the connecting plate to slide vertically into a preset position along the groove. The assembly process requires no visual alignment or auxiliary tools; precise positioning can be achieved simply by pressing down, thus shortening the installation time of the grinding wheel holder.

[0018] Furthermore, the connecting plate is symmetrically arranged on both sides and integrally connected with snap-fit ​​protrusions for snap-fitting and fixing with the housing. The housing has snap-fit ​​blind holes on its side wall for the snap-fit ​​protrusions to snap into, and the snap-fit ​​blind holes are located in the snap-fit ​​groove.

[0019] By adopting the above technical solution, symmetrical locking protrusions are set on both sides of the connecting plate. These, along with the locking blind holes in the locking groove of the housing, allow the protrusions to automatically engage with the holes when the grinding wheel holder is pressed down, forming a secondary mechanical lock with the housing and preventing accidental dislodgement of the grinding wheel holder under severe vibration. The locking blind holes are located within the locking groove, ensuring that the insertion of the connecting plate into the locking groove and the engagement of the protrusions into the through holes are completed simultaneously. No additional steps are required during assembly; precise positioning and rigid locking can be achieved in one step by simply pressing down, thereby improving the installation efficiency of the grinding wheel holder.

[0020] Furthermore, the housing is integrally connected to a partition plate inside, and the interior of the housing is divided by the partition plate to form adjacent storage chambers and button chambers. The ignition button is inserted into the button chamber, and the ignition button is arranged adjacent to the grinding wheel frame, with the top side of the ignition button abutting against the lower part of the grinding wheel.

[0021] By adopting the above technical solution, the integrally molded partition inside the casing completely isolates the fuel storage chamber from the ignition button chamber, effectively preventing liquid fuel leakage to the ignition mechanism and eliminating the risk of deflagration caused by fuel contact with a spark. The ignition button is inserted into an independent button chamber, ensuring zero interference between the button's movement trajectory and the fuel chamber during pressing, preventing deformation or sealing failure of the fuel chamber due to button compression, and ensuring the long-term stability of the gas supply system. The top of the ignition button rests against the area below the grinding wheel, allowing the ignition button to be triggered simultaneously when the thumb presses down on the grinding wheel. This conforms to the safety logic of "gas supply before ignition," with the thumb sliding across the grinding wheel instantly completing the gas supply and ignition linkage, eliminating the safety hazards of dry fuel injection or delayed ignition.

[0022] Furthermore, the rocker is arranged at an angle upward from one end of the air outlet valve to one end of the ignition button. One end of the rocker abuts against the air outlet valve, the middle part of the rocker abuts against the top side of the support plate, and the end of the rocker away from the air outlet valve abuts against the ignition button.

[0023] By adopting the above technical solution, the rocker arm abuts against the support plate in the middle, transforming the pressing force into a lever fulcrum, avoiding the risk of breakage in the middle of the rocker arm and extending the life of key transmission components. The end furthest from the exhaust valve is angled and abuts against the ignition button, ensuring that pressing the grinding wheel with the thumb simultaneously pushes the rocker arm along the linkage rod, reducing the time difference between the opening of the exhaust valve and the rotation of the grinding wheel, thereby eliminating abnormal operating conditions such as "ignition before exhaust" or "exhaust without ignition".

[0024] Furthermore, the housing is equipped with a spring-loaded component in the button cavity for abutting against the bottom of the ignition button.

[0025] By adopting the above technical solution, a spring-loaded mechanism is installed in the button chamber, allowing the ignition button to automatically return to its initial position after being pressed. This avoids the risk of continuous fuel leakage caused by button jamming, thus ensuring safe use. The spring-loaded mechanism abuts against the bottom of the ignition button, making the button's reset stroke constant and controllable. This ensures the immediate closure of the gas valve after each press, thereby eliminating the safety hazard of residual gas escaping after the flame is extinguished.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. By constructing a confined combustion space through the deflector to maintain pressure balance, and with the ribs inside the wind shield tangentially abutting and vertically pressing against the deflector's anti-rotor plate, a dual flame anchoring mechanism is formed to counteract the impact of strong winds and eliminate the risk of flame deviation or extinguishing. The flame through-holes are directly aligned with the vertical injection path at the top of the deflector, avoiding energy loss and ensuring the high-temperature integrity of the flame core. Compared to the passive shielding of traditional wind shields, this achieves zero-instability combustion of the flame in extreme environments. 2. The metal windproof cover's claws engage with the housing's protruding fasteners, combined with the integrated U-shaped groove of the grinding wheel holder and the housing's locking groove, enabling quick assembly where components are inserted and locked in place. This allows users to perform tool-free maintenance, addressing the pain points of traditional lighter assembly such as cumbersome assembly and softening of plastic clips. 3. A central partition physically isolates the fuel chamber from the button chamber, preventing the risk of fuel leakage and explosion to the ignition zone. A tilting rocker-type lever, linked to a grinding wheel-pressed button, ensures absolute synchronization between the opening of the exhaust valve and spark ignition upon thumb sliding, eliminating the risk of dry fuel injection or flash explosion. A spring-loaded mechanism instantly resets and closes the valve, and a grinding wheel covers the button to prevent accidental activation. This three-pronged approach achieves inherent safety through isolation, control, and protection. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of a grinding wheel type windproof lighter according to Embodiment 1 of this application.

[0028] Figure 2 This is a structural explosion diagram of a grinding wheel type windproof lighter according to Embodiment 1 of this application.

[0029] Figure 3 This is an exploded view of the ignition mechanism in Embodiment 1 of this application.

[0030] Figure 4 This is an exploded view of the structure of the grinding wheel frame and the housing in Embodiment 1 of this application.

[0031] Figure 5 This is a schematic diagram of the overall structure of the gas supply mechanism, ignition mechanism, and ignition button in Embodiment 1 of this application. Figure 1 .

[0032] Figure 6 This is a schematic diagram of the overall structure of the gas supply mechanism, ignition mechanism, and ignition button in Embodiment 1 of this application. Figure 2 .

[0033] Figure 7 This is a schematic diagram of the cooperation between the fairing and the windproof cover in Embodiment 1 of this application.

[0034] Figure 8 This is an exploded view of the structure of the windshield and housing in Embodiment 1 of this application.

[0035] Figure 9 This is an exploded view of the ignition mechanism, ignition button, and housing in Embodiment 1 of this application.

[0036] Figure 10 This is a front view of the gas supply mechanism, ignition mechanism, ignition button, rocker arm, and support plate in Embodiment 1 of this application.

[0037] Figure 11 This is an exploded view of the ignition mechanism, ignition button, and housing in Embodiment 2 of this application.

[0038] Explanation of reference numerals in the attached drawings: 1. Housing; 11. Snap-fit ​​groove; 111. Snap-fit ​​blind hole; 12. Slide groove; 121. Snap-fit ​​protrusion; 13. Middle partition; 131. Storage chamber; 132. Button chamber; 14. Support plate; 2. Ignition mechanism; 21. Flint; 22. Grinding wheel; 23. Grinding wheel holder; 231. Connecting plate; 2311. Snap-fit ​​protrusion; 232. Mounting plate; 2321. U-shaped clearance groove; 2322. 233. Flint tube; 3. Gas supply mechanism; 31. Gas outlet valve; 32. Liquid suction core; 33. Air nozzle; 34. Flame adjustment button; 35. Draft shield; 351. Ignition through hole; 352. Anti-rotation vane; 4. Ignition button; 41. Rebound component; 5. Wind shield; 51. Rib; 52. Flame through hole; 53. Grinding wheel through hole; 54. Air inlet; 55. Claw; 551. Snap-on through hole; 6. Rocker. Detailed Implementation

[0039] To make the purpose, technical solution, and advantages of this application clearer, the following description is provided in conjunction with Embodiment 1, Embodiment 2, and the appendix. Figure 1-11 This application will be described in further detail below.

[0040] Example 1 This application discloses a grinding wheel-type windproof lighter. (Refer to...) Figure 1 and Figure 2 The grinding wheel type windproof lighter includes a housing 1, an ignition mechanism 2, a gas supply mechanism 3, an ignition button 4, and a windproof cover 5. The housing 1 has a storage chamber 131 for storing liquid fuel, and in this embodiment, the liquid fuel is butane.

[0041] Reference Figure 2 and Figure 3 The ignition mechanism 2 is installed inside the housing 1. The ignition mechanism 2 includes a flint 21, a grinding wheel 22 that cooperates with the flint 21, and a grinding wheel holder 23 for mounting the flint 21 and the grinding wheel 22. The grinding wheel holder 23 includes a connecting plate 231 for connecting to the housing 1, a mounting plate 232 for rotatably connecting to the grinding wheel 22, and a flint tube 233 for mounting the flint 21. Figure 4 The width of the connecting plate 231 matches the distance between the two inner side walls of the housing. The housing 1 has a snap-fit ​​groove 11 on its inner wall for the connecting plate 231 to be snapped into. The connecting plate 231 is symmetrically arranged on both sides and integrally connected with snap-fit ​​protrusions 2311 for snap-fit ​​fixing to the housing 1. The housing 1 has snap-fit ​​blind holes 111 on its side wall for the snap-fit ​​protrusions 2311 to be snapped into. The snap-fit ​​blind holes 111 are located in the snap-fit ​​groove 11.

[0042] Reference Figure 3 and Figure 4 The connecting plate 231 and the mounting plate 232 are integrally connected. A U-shaped clearance groove 2321 for mounting the grinding wheel 22 is provided through both the connecting plate 231 and the mounting plate 232. A flint tube 233 is integrally connected to the side of the mounting plate 232 away from the U-shaped clearance groove 2321 and extends into the housing 1. The flint 21 is inserted into the flint tube 233 and frictionally engages with it. The mounting plate 232 has a flint through hole 2322 that communicates with the interior of the flint tube 233 and allows the flint 21 to pass through. The end of the flint 21 extends out of the flint through hole 2322 for frictional engagement with the grinding wheel 22.

[0043] Reference Figure 5 and Figure 6The gas supply mechanism 3 includes an exhaust valve 31, a liquid-absorbing core 32 connected to the lower part of the exhaust valve 31 and extending into the storage chamber 131 for guiding liquid fuel, an exhaust nozzle 33 installed above the exhaust valve 31, a flame adjustment button 34 installed on the exhaust valve 31, and a flow guide 35 circumferentially surrounding the exhaust nozzle 33 for supporting the flame. The flow guide 35 circumferentially surrounds the exhaust nozzle 33, forming a sealed confined space in the combustion zone, thereby buffering the impact of external airflow and maintaining internal pressure balance, and improving the flame's resistance to displacement in strong wind environments.

[0044] The sidewall of the fairing 35 has an ignition through hole 351 on the side facing the ignition mechanism 2, which allows the sparks generated by the friction of the grinding wheel 22 to be accurately guided into the combustion zone, avoiding ignition failure caused by spark scattering, thereby improving the success rate of ignition on the first attempt. The outer wall of the fairing 35 has anti-rotation plates 352 symmetrically arranged on both sides and integrally connected, and both anti-rotation plates 352 are arranged along the tangential direction of the outer wall of the fairing 35.

[0045] Reference Figure 6 and Figure 7 The wind shield 5 is fastened to the top of the housing 1. The wind shield 5 is symmetrically arranged on the inner wall and integrally connected with protruding ribs 51 for corresponding cooperation with the two anti-rotor plates 352. The protruding ribs 51 on both sides of the inner wall of the wind shield 5 are arranged perpendicular to the inner wall and are spaced apart by two. The end face of each protruding rib 51 abuts against the side of the anti-rotor plate 352, thereby locking the degree of freedom of the circumferential rotation of the deflector 35 and preventing the flame support from becoming unstable when the flame size is adjusted by turning the flame adjustment button 34, which causes the deflector 35 to rotate synchronously with the exhaust valve 31.

[0046] In this implementation, the wind shield 5 is made of metal and the protruding ribs 51 are integrated inside. This allows the heat from the high-temperature flame to be quickly conducted and dispersed through the metal protruding ribs 51. Compared to integrating the limiting structure into the plastic housing 1, this avoids the plastic limiting structure from melting and failing when the air guide 35 is heated, thus ensuring the reliability of the limiting function during long-term use.

[0047] Reference Figure 7 and Figure 8 The wind shield 5 has a flame through-hole 52 on its top side, which is directly opposite the top of the guide shield 35. Adjacent to the flame through-hole 52, the wind shield 5 has a grinding wheel 22 through-hole. The wind shield 5 also has an air inlet 54 on its side wall for airflow.

[0048] The wind shield 5 has integrated claws 55 on both sides for engaging and fixing with the housing 1. The housing 1 has a groove 12 on its outer wall for inserting the claws 55. The outer wall of the housing 1 has a fastening protrusion 121 integrated in the groove 12. The claws 55 have fastening through holes 551 for engaging the fastening protrusion 121.

[0049] Reference Figure 9 The housing 1 has an integrally connected partition 13 inside, which divides the interior of the housing 1 into adjacent storage chambers 131 and button chambers 132. The ignition button 4 is inserted into the button chamber 132. The ignition button 4 is arranged adjacent to the grinding wheel frame 23, and the top position of the ignition button 4 near the grinding wheel 22 abuts against the bottom position of the grinding wheel 22.

[0050] The ignition button 4 is inserted into the independent button chamber 132, ensuring zero interference between the button's movement trajectory and the fuel chamber during pressing. This prevents deformation or sealing failure of the fuel chamber due to button compression, ensuring the long-term stability of the gas supply system. The top of the ignition button 4 abuts against the underside of the grinding wheel 22. This allows the ignition button 4 to be triggered simultaneously when the thumb presses down on the grinding wheel 22, conforming to the safety logic of "gas supply before ignition." The thumb sliding across the grinding wheel 22 instantly completes the gas supply and ignition linkage, eliminating the safety hazards of dry fuel injection or delayed ignition. Furthermore, the ignition button 4 is restrained by the grinding wheel 22, preventing it from dislodging from the button chamber 132.

[0051] Reference Figure 10 The housing 1 contains a rocker arm 6 for linking the ignition button 4 and the exhaust valve 31. The rocker arm 6 is arranged at an angle upward from one end of the exhaust valve 31 to the other end of the ignition button 4. A support plate 14 for supporting the rocker arm 6 is integrally connected inside the housing 1. One end of the rocker arm 6 abuts against the exhaust valve 31, the middle part of the rocker arm 6 abuts against the top side of the support plate 14, and the end of the rocker arm 6 away from the exhaust valve 31 abuts against the ignition button 4.

[0052] The implementation principle of a grinding wheel-type windproof lighter according to an embodiment of this application is as follows: When the thumb slides down the grinding wheel 22, the ignition button 4 is pressed down simultaneously, pushing the internal rocker 6 lever to open the gas valve 31 to release gas. At the same time, the grinding wheel 22 rubs against the flint 21 to generate a spark. The spark is precisely injected into the combustion zone filled with gas through the ignition through-hole 351 on the side wall of the guide shroud 35, realizing the safe logic of gas release before ignition, avoiding fuel dry spray or ignition delay. The guide shroud 35 circumferentially surrounds the nozzle 33 to form a sealed and confined combustion space, effectively buffering the impact of external airflow and maintaining internal pressure balance, significantly improving the flame's resistance to wind and deviation. The tangential anti-rotation plate 352 on the outer wall of the guide shroud 35 tightly abuts against the vertical protrusion 51 on the inner wall of the windproof shroud 5, completely locking the circumferential rotation freedom of the guide shroud 35, ensuring that the guide shroud 35 does not rotate with the gas valve 31 when adjusting the flame size, maintaining the stability of the flame support. The grinding wheel holder 23 is fixed to the housing 1 via a snap-fit ​​protrusion 2311 / blind hole. The wind shield 5 is quickly snapped into place with the snap-fit ​​protrusion 121 via a claw 55 / slide groove 12, improving assembly stability. The partition 13 separates the fuel storage chamber and the button chamber, preventing deformation or sealing failure of the fuel chamber due to button compression, ensuring safe gas supply. The top of the ignition button 4 is limited by the grinding wheel 22 to prevent it from falling out of the button chamber 132.

[0053] Example 2 The difference between this embodiment and Embodiment 1 is that the ignition button 4 has a different rebound mechanism.

[0054] In Example 1, after the ignition action is completed, the exhaust valve 31 returns to its original position by rebounding the rocker arm 6, and the ignition button 4 is reset solely by the rocker arm 6. (Refer to...) Figure 11 In this embodiment, the housing 1 has a spring-loaded component 41 installed in the button chamber 132 to abut against the bottom of the ignition button 4. This allows the ignition button 4 to automatically return to its initial position after being pressed, preventing the button from becoming stuck and causing continuous fuel leakage, thus ensuring safety. The spring-loaded component 41 abuts against the bottom of the ignition button 4, making the button's reset stroke constant and controllable, ensuring the immediate closing action of the exhaust valve 31 after each press, thereby eliminating the safety hazard of residual gas escaping after the flame is extinguished.

[0055] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A grinding wheel type windproof lighter, characterized in that, Includes a housing (1), an ignition mechanism (2), a gas supply mechanism (3), and an ignition button (4) installed inside the housing (1). The housing (1) has a storage chamber (131) for storing liquid fuel. A windproof cover (5) is fastened to the top of the housing (1). The ignition mechanism (2) includes a flint (21), a grinding wheel (22) that cooperates with the flint (21), and a grinding wheel (22) holder for mounting the flint (21) and the grinding wheel (22); The gas supply mechanism (3) includes an exhaust valve (31), a liquid-absorbing core (32) connected to the lower part of the exhaust valve (31) and extending into the storage chamber (131) for guiding liquid fuel, an air nozzle (33) installed above the exhaust valve (31), and a flame adjustment button (34) installed on the exhaust valve (31). The air nozzle (33) is surrounded by a flow guide (35) for supporting the flame in the outer circumference. The side wall of the flow guide (35) has an ignition through hole (351) on the side facing the ignition mechanism (2). The housing (1) is provided with a rocker plate (6) for linking the ignition button (4) and the exhaust valve (31), and a support plate (14) for supporting the rocker plate (6) is integrally connected inside the housing (1).

2. The windproof lighter of the grinding wheel type according to claim 1, characterized in that: The fairing (35) is symmetrically arranged on the outer wall and integrally connected with anti-rotor plates (352). The two anti-rotor plates (352) are arranged along the tangential direction of the outer wall of the fairing (35). The wind shield (5) is integrally connected with protruding ribs (51) for abutting against the anti-rotor plates (352) on the inner wall.

3. A grinding wheel type windproof lighter according to claim 2, characterized in that: The wind shield (5) has a flame through hole (52) on its top side for the flame to pass through. The flame through hole (52) is located at the top of the guide shield (35). The wind shield (5) has a grinding wheel (22) through hole at the adjacent position of the flame through hole (52) for the grinding wheel (22) to pass through.

4. A windproof lighter of the grinding wheel type according to claim 1, characterized in that: The windproof cover (5) has claws (55) integrally connected to both sides for engaging and fixing with the housing (1). The housing (1) has a sliding groove (12) on its outer wall for inserting the claws (55). The outer wall of the housing (1) has a fastening protrusion (121) integrally connected in the sliding groove (12). The claws (55) have fastening through holes (551) for engaging the fastening protrusion (121).

5. A grinding wheel type windproof lighter according to claim 1, characterized in that: The grinding wheel (22) frame includes a connecting plate (231) for connecting to the housing (1), a mounting plate (232) for rotating the grinding wheel (22), and a flint tube (233) for mounting the flint (21). The connecting plate (231) and the mounting plate (232) are integrally connected. A U-shaped clearance groove (2321) for mounting the grinding wheel (22) is provided through the connecting plate (231) and the mounting plate (232). The flint tube (233) is integrally connected to the side of the mounting plate (232) away from the U-shaped relief groove (2321) and extends into the housing (1). The flint (21) is inserted into the flint tube (233) and frictionally engages with the flint tube (233). The mounting plate (232) has a flint through hole (2322) that communicates with the interior of the flint tube (233) and allows the flint (21) to pass through. The end of the flint (21) extends out of the flint through hole (2322) to engage with the grinding wheel (22).

6. A grinding wheel type windproof lighter according to claim 5, characterized in that: The width of the connecting plate (231) matches the distance between the two inner sidewalls of the housing (1), and the housing (1) has a snap-fit ​​groove (11) on its inner wall for the connecting plate (231) to be snapped into.

7. A grinding wheel type windproof lighter according to claim 6, characterized in that: The connecting plate (231) is symmetrically arranged on both sides and integrally connected with a snap-fit ​​protrusion (2311) for snap-fit ​​fixing to the housing (1). The housing (1) has a snap-fit ​​blind hole (111) on its side wall for the snap-fit ​​protrusion (2311) to be snapped into. The snap-fit ​​blind hole (111) is located in the snap-fit ​​groove (11).

8. A windproof lighter of the grinding wheel type according to claim 7, characterized in that: The housing (1) is integrally connected with a partition plate (13) inside. The interior of the housing (1) is divided by the partition plate (13) to form adjacent storage chambers (131) and button chambers (132). The ignition button (4) is inserted into the button chamber (132). The ignition button (4) is arranged adjacent to the grinding wheel (22) frame, and the top side of the ignition button (4) abuts against the lower position of the grinding wheel (22).

9. A grinding wheel type windproof lighter according to claim 8, characterized in that: The rocker arm (6) is arranged at an angle from one end of the air outlet valve (31) to one end of the ignition button (4). One end of the rocker arm (6) abuts against the air outlet valve (31), the middle part of the rocker arm (6) abuts against the top side of the support plate (14), and the end of the rocker arm (6) away from the air outlet valve (31) abuts against the ignition button (4).

10. A grinding wheel type windproof lighter according to claim 9, characterized in that: The housing (1) has a spring-loaded member (41) installed in the button chamber (132) for abutting against the bottom of the ignition button (4).

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