A lighter and a method of operating the same

Abstract

The application discloses a lighter and a working method thereof. The lighter comprises a casing, a bottom end of the casing is fixedly provided with an end plate, a machine body is slidably connected in the casing in a vertical direction, an air cavity is arranged in the machine body, an air valve assembly which is communicated with the air cavity is arranged in the machine body, the air valve assembly comprises an air inlet pipe which extends into the air cavity, a valve control assembly is arranged on the end plate, a lighter is arranged in the machine body, a pressing block is arranged above the lighter, a power assembly is arranged on the end plate, a cover plate assembly and a locking assembly are arranged on the upper end of the casing, when the power assembly controls the machine body to be retracted into the casing, the cover plate assembly is controlled to be turned to a second position, at this time, the cover plate assembly is sealed on the upper end of the casing, then the locking assembly is controlled to position the cover plate assembly at the second position. The lighter has simple structure and can effectively prevent sundries from falling into the air valve assembly of the machine body and causing the blockage of the fire outlet when the lighter is not used.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of lighter, in particular, relates to a lighter and its working method. BACKGROUND

[0002] Lighter is a kind of small ignition device, also known as cigarette lighter. The fire outlet of traditional lighter is not shielded, which is open type. When it is stored daily, sundries are easy to fall into the fire outlet, causing the blockage of the fire outlet. The existing lighter is very simple and convenient to use, even children of three or four years old can use it without any obstacles. However, because of its convenience, there is a big safety hazard in daily use. Children do not know the danger and use the lighter alone, which can easily cause fire. SUMMARY

[0003] The technical problem to be solved by the present application is to overcome the shortcomings of the prior art and provide a lighter that can overcome the above problems or at least partially solve the above problems.

[0004] To solve the above technical problems, the basic idea of the technical scheme adopted by the present application is as follows: a lighter, comprising a shell, a end plate fixedly arranged at the lower end of the shell, a machine body slidingly connected in the vertical direction in the shell, a air cavity arranged in the machine body, a air valve assembly communicated with the air cavity, the air valve assembly comprising a air inlet pipe extending into the air cavity, a valve control assembly arranged on the end plate for controlling the opening or closing of the air inlet pipe, a lighter arranged in the machine body, and a pressing block arranged above the lighter, a power assembly arranged on the end plate for controlling the upper end of the machine body to extend out of or retract into the shell, a cover plate assembly and a locking assembly arranged at the upper end of the shell, when the machine body is controlled by the power assembly to move upward to the lighting position, the cover plate assembly is turned to the first position, at this time, the cover plate assembly surrounds the outside of the air valve assembly for wind blocking, when the machine body is controlled by the power assembly to retract into the shell, the cover plate assembly is controlled to turn to the second position, at this time, the cover plate assembly is blocked at the upper end of the shell, and then the locking assembly is controlled to position the cover plate assembly at the second position.

[0005] Through the above technical scheme, when the lighter is used for lighting, the cover plate assembly is turned to the first position to surround the outside of the air valve assembly for wind blocking, and when it is not used, the cover plate assembly is turned to the second position to block at the upper end of the shell, which can effectively prevent sundries from falling into the air valve assembly of the machine body and causing the blockage of the fire outlet. In addition, compared with the existing lighter, the valve control assembly arranged in cooperation with the air valve assembly can keep the lighter continuously burning without pressing the pressing block all the time when lighting.

[0006] Further, the power assembly comprises a threaded rod rotatably connected to the end plate, and the machine body is provided with a threaded hole matched with the threaded rod, when the threaded rod is rotated, the machine body moves upward or downward along the shell.

[0007] Further, the outer side of the threaded rod is provided with a first radial flange on the end plate, and the lower end of the threaded rod is fixedly provided with a first knob; this arrangement can realize the axial fixed connection between the threaded rod and the end plate.

[0008] Further, the upper end of the pressing block is provided with an extension block, and the upper end of the threaded rod abuts against the lower end of the extension block when the body is retracted into the shell; this arrangement can prevent the ignition of the lighter when the body is retracted into the shell due to the accidental pressing of the pressing block.

[0009] Further, the valve control assembly comprises a shaft rod rotatably connected to the end plate and extending into the air cavity in the vertical direction, and the shaft rod is in air-tight connection with the body; the body is fixedly provided with a guide slide rod arranged in the vertical direction in the air cavity, the guide slide rod is in sliding connection with a sliding block in the vertical direction, the upper end of the shaft rod is fixedly provided with a lead screw in screw connection with the sliding block, and the shaft rod is rotated to drive the sliding block to slide along the guide slide rod in cooperation with the lead screw; the sliding block is fixedly provided with a valve rod extending into the air inlet pipe, and the valve rod is in air-tight connection with the air inlet pipe; the air inlet pipe is provided with a plurality of air holes in the side wall near the lower end, and when the valve rod opens the air holes downward, the gas in the air cavity enters the air inlet pipe through the air holes and is sprayed out by the valve assembly; when the valve rod completely closes the air holes, the air cavity is disconnected with the air inlet pipe.

[0010] Through the above technical scheme, when the flame needs to be adjusted after the lighter is ignited, the shaft rod is rotated to drive the lead screw to rotate, the lead screw drives the sliding block to move downward, and the sliding block drives the valve rod to open more air holes; similarly, when the flame needs to be adjusted, the shaft rod is rotated to drive the sliding block to move upward, and the sliding block drives the valve rod to close some air holes upward.

[0011] Further, the outer side of the shaft rod is provided with a second radial flange on the end plate, and the lower end of the shaft rod is fixedly provided with a second knob; this arrangement can realize the axial fixed connection between the shaft rod and the end plate.

[0012] Further, the cover plate assembly comprises a main cover plate, the upper end of the shell is symmetrically provided with two lugs, a rotating shaft is arranged between the two lugs, the main cover plate is provided with a connecting portion rotatably connected to the rotating shaft; the two sides of the main cover plate are symmetrically provided with side plates perpendicular to the main cover plate, and the side plates are located outside the lugs; the upper end of the shell is fixedly provided with a stop block on the left side of the connecting portion; the side surface of the main cover plate is provided with a limiting block; when the cover plate assembly is in the first position, the main cover plate is in the vertical position, the two side plates are turned upward to be located on the front and rear sides of the upper end of the shell, the left upper end of the body abuts against the limiting block, and the connecting portion is limited between the body and the stop block; when the cover plate assembly is in the second position, the main cover plate is in the horizontal position, and the two side plates are turned downward to be located on the front and rear sides of the shell.

[0013] Further, the side plates are provided with guiding protrusions, and the lower end faces of the two side plates are flush with the upper end face of the casing and the guiding protrusions are located outside the casing when the cover plate assembly is in the first position.

[0014] Further, the locking assembly comprises a locking bolt, the connecting portion is provided with a positioning hole, and the locking bolt is threadedly connected to the stopper, and the positioning hole is coaxial with the locking bolt when the main cover plate is in the horizontal position, and the locking bolt is inserted into the positioning hole at this time.

[0015] The application also provides a working method of the lighter, comprising the following steps:

[0016] S1, controlling the locking assembly to unlock the cover plate assembly;

[0017] S2, controlling the power assembly to drive the body to move upward, and the body pushes the cover plate assembly to the first position when the body moves upward to the upper end position, and the cover plate assembly surrounds the outside of the valve assembly for wind blocking;

[0018] S3, controlling the valve control assembly to open the air inlet pipe, and the gas flows out through the valve assembly;

[0019] S4, pressing the pressing block downward, the pressing block presses the lighter, and the lighter ignites the gas;

[0020] S5, controlling the valve control assembly to close the air inlet pipe when the lighter finishes igniting;

[0021] S6, controlling the power assembly to drive the body to move downward and retract into the casing, and the cover plate assembly is pushed to the second position and is blocked at the upper end of the casing;

[0022] S7, controlling the locking assembly to lock the cover plate assembly in the second position.

[0023] After the above technical scheme is adopted, the lighter has the following beneficial effects compared with the prior art: when the lighter is used for igniting, the cover plate assembly is turned to the first position and surrounds the outside of the valve assembly for wind blocking, and when the lighter is not used, the cover plate assembly is turned to the second position and is blocked at the upper end of the casing, so that foreign matters can be effectively prevented from falling into the valve assembly of the body and causing the blockage of the ignition port; in addition, compared with the valve control assembly cooperating with the valve assembly in the prior lighter, the lighter can continuously ignite without pressing the pressing block all the time when igniting; when the body is retracted into the casing, the upper end of the threaded rod abuts against the lower end of the extension block, so that the lighter can be effectively prevented from igniting due to the accidental pressing of the pressing block.

[0024] The specific embodiments of the application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0025] In the drawings:

[0026] Figure 1 Figure 1 is a front view of the cover assembly of the present application in a first position;

[0027] Figure 2 Figure 2 is a front view of the cover assembly of the present application in a second position;

[0028] Figure 3 Figure 3 is a left view of the cover assembly of the present application in the second position;

[0029] Figure 4 Figure 4 is a front cross-sectional view of the cover assembly of the present application in the first position;

[0030] Figure 5 Figure 5 is a cross-sectional view in the direction of A-A; Figure 4

[0031] Figure 6 is a cross-sectional view in the direction of B-B; Figure 6 Figure 4 Figure 7 is an enlarged view of the structure at C;

[0032] Figure 7 Figure 4 Figure 8 is a cross-sectional view in the direction of C-C;

[0033] Figure 8 Figure 9 is a front cross-sectional view of the cover assembly of the present application in the second position;

[0034] Figure 9 Figure 10 is a cross-sectional view in the direction of D-D; Figure 8

[0035] Figure 11 is an exploded view of the casing and the cover assembly; Figure 10

[0036] Figure 12 is a schematic view of the cover assembly. Figure 11 DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments of the present application. The following embodiments are used to explain the present application but not to limit the scope of the present application.

[0038] Reference is made to Figures 1-11 ​​​As shown, a lighter comprises a casing 1, a lower end of the casing 1 is fixedly provided with an end plate 2, a body 3 is slidably connected in the casing 1 in a vertical direction, the body 3 is provided with a gas cavity 3a and a gas valve assembly 4a communicating with the gas cavity 3a, the gas valve assembly 4a comprises a gas inlet pipe 4 extending into the gas cavity 3a, the end plate 2 is provided with a valve control assembly for controlling opening or closing of the gas inlet pipe 4; the body 3 is provided with a lighter 5 and a pressing block 6 above the lighter 5; the end plate 2 is provided with a power assembly for controlling the upper end of the body 3 to extend out of or retract into the casing 1; the upper end of the casing 1 is provided with a cover plate assembly and a locking assembly, when the power assembly controls the body 3 to move upward to a lighting position, the cover plate assembly is turned to a first position, at this time, the cover plate assembly surrounds the outside of the gas valve assembly 4a for wind blocking; when the power assembly controls the body 3 to retract into the casing 1, the cover plate assembly is controlled to turn to a second position, at this time, the cover plate assembly is sealed at the upper end of the casing 1, then the locking assembly is controlled to position the cover plate assembly at the second position.

[0039] The power assembly comprises a threaded rod 7 rotatably connected to the end plate 2, the body 3 is provided with a threaded hole 3b matched with the threaded rod 7, when the threaded rod 7 rotates, the body 3 moves upward or downward along the casing 1. The outer side of the threaded rod 7 is provided with a first radial flange 7a located on the end plate 2, the lower end of the threaded rod 7 is fixedly provided with a first knob 8; this arrangement can realize axial fixed connection between the threaded rod 7 and the end plate 2. The upper end of the pressing block 6 is provided with an extension block 6a, when the body 3 retracts into the casing 1, the upper end of the threaded rod 7 abuts against the lower end of the extension block 6a; this arrangement can prevent the lighter from igniting due to accidental pressing of the pressing block 6 when the body 3 retracts into the casing 1.

[0040] The valve control assembly comprises a shaft 9 rotatably connected to the end plate 2 and extending into the air cavity 3a in the vertical direction, and the shaft 9 is in air-tight connection with the body 3; the body 3 is fixedly provided with a guide slide rod 10 arranged in the vertical direction in the air cavity 3a, the guide slide rod 10 is slidably connected with a sliding block 11 in the vertical direction, the upper end of the shaft 9 is fixedly provided with a screw rod 9a in threaded connection with the sliding block 11, and when the shaft 9 rotates, the screw rod 9a cooperates with the sliding block 11 to drive the sliding block 11 to slide along the guide slide rod 10; the sliding block 11 is fixedly provided with a valve rod 12 extending into the air inlet pipe 4, and the valve rod 12 is in air-tight connection with the air inlet pipe 4; the air inlet pipe 4 is provided with a plurality of air holes 41 in the side wall close to the lower end, and when the valve rod 12 opens the air holes 41 downward, the gas in the air cavity 3a enters the air inlet pipe 4 through the air holes 41 and is sprayed out by the air valve assembly 4a; when the valve rod 12 closes all the air holes 41, the air cavity 3a is disconnected with the air inlet pipe 4; through the above arrangement, after the lighter is ignited, when it is needed to adjust the flame to be larger, the shaft 9 is rotated to drive the screw rod 9a to rotate, the screw rod 9a drives the sliding block 11 to move downward, and the sliding block 11 drives the valve rod 12 to open more air holes 41; similarly, when it is needed to adjust the flame to be smaller, the shaft 9 is rotated to drive the sliding block 11 to move upward, and the sliding block 11 drives the valve rod 12 to close some air holes 41 upward.

[0041] The cover plate assembly comprises a main cover plate 14, the upper end of the casing 1 is symmetrically provided with two lugs 1a, a rotating shaft 15 is arranged between the two lugs 1a, and the main cover plate 14 is provided with a connecting portion 141 rotatably connected to the rotating shaft 15; the two sides of the main cover plate 14 are symmetrically provided with side plates 142 perpendicular to the main cover plate 14, and the side plates 142 are located outside the lugs 1a; the upper end of the casing 1 is fixedly provided with a stop block 1b on the left side of the connecting portion 141; the side surface of the main cover plate 14 is provided with a limiting block 143; when the cover plate assembly is in the first position, the main cover plate 14 is in the vertical position, the two side plates 142 are turned upward to be located at the front and rear sides of the upper end of the casing 1, the left upper end of the body 3 abuts against the limiting block 143, and the connecting portion 141 is limited between the body 3 and the stop block 1b; when the cover plate assembly is in the second position, the main cover plate 14 is in the horizontal position, and the two side plates 142 are turned downward to be located at the front and rear sides of the casing 1. The side plates 142 are provided with guide protrusions 144, and when the cover plate assembly is in the first position, the lower end surfaces of the two side plates 142 are flush with the upper end surface of the casing 1, and the guide protrusions 144 are located outside the casing 1; the guide protrusions 144 are arranged here to prevent the lower end surface of the side plate 142 from abutting against the upper end surface of the casing 1 when the cover plate assembly is rotated from the first position to the second position, thereby hindering the rotation of the cover plate assembly.

[0042] The locking assembly comprises a locking bolt 16, the connecting part 141 is provided with a positioning hole 14a, and the locking bolt 16 is threadedly connected to the stop block 1b. When the main cover plate 14 is in a horizontal position, the positioning hole 14a is coaxial with the locking bolt 16, and at this time, the locking bolt 16 is inserted into the positioning hole 14a by rotating.

[0043] The embodiment also provides a working method of the lighter.

[0044] S1, control the locking assembly to unlock the cover plate assembly; specifically, rotate the locking bolt 16 so that the end of the locking bolt 16 completely exits the positioning hole 14a.

[0045] S2, control the power assembly to drive the body 3 to move upward, when the body 3 moves upward to the upper end position, the body 3 pushes the cover plate assembly to the first position, and the cover plate assembly surrounds the outside of the gas valve assembly 4a for wind blocking; specifically, rotate the threaded rod 7 through the first knob 8, the threaded rod 7 cooperates with the threaded hole 3b of the body 3 to drive the body 3 to move upward, when the body 3 moves upward, the left upper end of the body 3 abuts against the main cover plate 14 to turn upward, when the left upper end of the body 3 abuts against the limiting block 143, the connecting part 141 on the main cover plate 14 is limited between the body 3 and the stop block 1b, the main cover plate 14 is in a vertical position, and the two side plates 142 turn upward to the upper end of the shell 1 on the front and rear sides, at this time, the main cover plate 14 and the two side plates 142 are on the outside of the gas valve assembly 4a for wind blocking.

[0046] S3, control the valve control assembly to open the air inlet pipe 4, and gas flows out through the gas valve assembly 4a; specifically, rotate the shaft rod 9 through the second knob 13, the shaft rod 9 drives the screw rod 9a to rotate, the screw rod 9a drives the sliding block 11 to move downward along the guide sliding rod 10, the sliding block 11 drives the valve rod 12 to move downward, the valve rod 12 opens the air hole 41 on the air inlet pipe 4, and the gas in the gas cavity 3a flows out through the gas valve assembly 4a through the air hole 41 and the air inlet pipe 4.

[0047] S4, press the pressing block 6 downward, the pressing block 6 presses the lighter 5, the lighter 5 ignites to ignite the gas; when it is necessary to adjust the size of the flame, rotate the second knob 13 to drive the sliding block 11 to move downward, the more the air holes 41 opened by the valve rod 12, the larger the flame; when the second knob 13 is rotated to drive the sliding block 11 to move upward, the fewer the air holes 41 opened by the valve rod 12, the smaller the flame.

[0048] S5, when the lighter finishes igniting, control the valve control assembly to close the air inlet pipe 4; specifically, rotate the shaft rod 9 through the second knob 13, the shaft rod 9 drives the screw rod 9a to rotate, the screw rod 9a drives the sliding block 11 to move upward along the guide sliding rod 10, the sliding block 11 drives the valve rod 12 to move upward, and the valve rod 12 closes the air hole 41 on the air inlet pipe 4.

[0049] S6, control power assembly with body 3 to move down into the shell 1, push the cover plate assembly to the second position, cover plate assembly sealing in the upper end of the shell 1; specifically: through the first knob 8 with screw rod 7 rotation, screw rod 7 and the threaded hole 3b of the body 3 with body 3 to move down, body 3 to move down, the left side of the body 3 upper end away from the limit block 143, after the body 3 into the shell 1, with hand control main cover plate 14 to the horizontal position, two side plate 142 to the upper end of the shell 1 before and after two sides, the main cover plate 14 sealing in the upper end of the shell 1, can effectively prevent the debris into the valve assembly 4a of the body 3, cause the blockage of the fire.

[0050] S7, control locking assembly will cover plate assembly locking in the second position; specifically: rotating locking bolt 16, so that the end of the locking bolt 16 is inserted into the positioning hole 14a of the connecting part 141 in the shell 1 will be locked and positioned main cover plate 14.

[0051] The above only is the preferred embodiment of the present application, not any form of the present application is limited, although the present application has been disclosed as above with the preferred embodiment, however, is not used to limit the present application.

Claims

1. A lighter, characterized in that, The device includes a housing, with an end plate fixedly mounted at its lower end. An internal body is slidably connected within the housing in a vertical direction. The internal body contains an air chamber and an air valve assembly communicating with the air chamber. The air valve assembly includes an air inlet pipe extending into the air chamber. The end plate has a valve control assembly for controlling the opening or closing of the air inlet pipe. The internal body contains a lighter and a pressing block located above the lighter. The end plate has a power assembly for controlling the upper end of the internal body to extend or retract into the housing. The upper end of the housing has a cover plate assembly and a locking assembly. When the power assembly controls the internal body to move upward to the ignition position, the cover plate assembly rotates to a first position, at which point it surrounds the air valve assembly to block wind. When the power assembly controls the internal body to retract downward into the housing, the cover plate assembly rotates to a second position, at which point it seals the upper end of the housing. Then, the locking assembly positions the cover plate assembly in the second position. The power assembly includes a threaded rod rotatably connected to the end plate, and the body is provided with a threaded hole that mates with the threaded rod. When the threaded rod rotates, the body moves upward or downward along the casing. The outer side of the threaded rod is provided with a first radial protrusion on the end plate, and the lower end of the threaded rod is fixedly provided with a first knob; The upper end of the pressing block is provided with an extension block. When the machine body retracts downward into the housing, the upper end of the threaded rod abuts against the lower end of the extension block. The valve control assembly includes a shaft rotatably connected to an end plate and extending vertically into the air chamber, the shaft being airtightly connected to the machine body; the machine body has a vertically positioned guide rod fixedly mounted within the air chamber, a sliding block slidably connected to the guide rod in the vertical direction, and a lead screw threadedly connected to the sliding block fixedly mounted at the upper end of the shaft; when the shaft rotates, the lead screw and the sliding block cooperate to drive the sliding block to slide along the guide rod; a valve rod extending into the air intake pipe is fixedly mounted on the sliding block, the valve rod being airtightly connected to the air intake pipe; the air intake pipe has multiple air holes on its side wall near the lower end; when the valve rod opens the air holes downwards, the gas in the air chamber enters the air intake pipe through the air holes and is ejected by the valve assembly; when the valve rod closes all the air holes, the air chamber is disconnected from the air intake pipe; The cover plate assembly includes a main cover plate, two lugs are symmetrically provided on the upper end of the housing, a pivot is provided between the two lugs, and a connecting part is provided on the main cover plate that is rotatably connected to the pivot; side plates perpendicular to the main cover plate are symmetrically provided on both sides of the main cover plate, and the side plates are located outside the lugs. The upper end of the housing is fixedly provided with a stop block on the left side of the connecting part; the side of the main cover plate is provided with a limiting block; when the cover plate assembly is in the first position, the main cover plate is in a vertical position, the two side plates are rotated upward to the front and rear sides of the upper end of the housing, and the upper left side of the body abuts against the limiting block, and the connecting part is limited between the body and the stop block; when the cover plate assembly is in the second position, the main cover plate is in a horizontal position, and the two side plates are rotated downward to the front and rear sides of the housing.

2. The lighter according to claim 1, characterized in that: The outer side of the shaft is provided with a second radial protrusion on the end plate, and the lower end of the shaft is fixedly provided with a second knob.

3. A lighter according to claim 2, characterized in that: The side plates are provided with guide protrusions. When the cover plate assembly is in the first position, the lower end faces of the two side plates are flush with the upper end face of the housing and the guide protrusions are located on the outside of the housing.

4. A lighter according to claim 3, characterized in that: The locking assembly includes a locking bolt, and the connecting part is provided with a positioning hole. The locking bolt is threaded onto the stop. When the main cover plate is in a horizontal position, the positioning hole is in a position coaxial with the locking bolt. At this time, the locking bolt is rotated to insert into the positioning hole.

5. A method for operating a lighter as described in claim 4, characterized in that: Includes the following steps: S1. Control the locking component to unlock the cover plate assembly; S2. Control the power component to drive the machine body to move upward. When the machine body moves upward to the upper position, the machine body pushes the cover plate assembly to the first position. The cover plate assembly surrounds the outside of the air valve assembly to block the wind. S3. The control valve assembly opens the air inlet pipe, and the gas flows out through the air valve assembly. S4. Press down on the press block, press the press block to press the igniter, and the igniter will ignite the gas. S5. After the lighter has finished igniting, the control valve assembly will close the gas inlet pipe; S6. Control the power unit to drive the body downward and retract into the housing, push the cover assembly to the second position, and the cover assembly seals the upper end of the housing; S7. Control the locking assembly to lock the cover plate assembly in the second position.

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