Liquid lighter

Abstract

A liquid lighter comprises a shell, a first fuel oil cavity and a second fuel oil cavity are formed in the shell, a valve assembly is arranged between the first fuel oil cavity and the second fuel oil cavity, a mounting cavity perpendicular to the axis of a cotton core seat is formed in the top of the first fuel oil cavity, and the mounting cavity is provided with an oil inlet communicated with the first fuel oil cavity, an oil outlet communicated with the second fuel oil cavity and an operation opening. The valve assembly comprises a valve body inserted into the installation cavity through the operation opening, an oil inlet pipeline connected with the oil inlet and the oil outlet is arranged in the valve body, a valve rod is arranged in the valve body, one end of the valve rod is arranged on the surface of the shell in an operable mode, and a valve element used for connecting and disconnecting the oil inlet pipeline is arranged at the other end of the valve rod. And the valve rod can be used for communicating the oil inlet with the oil outlet or disconnecting the oil inlet from the oil outlet under the action of external force. According to the valve assembly, the valve body is arranged in the shell, the valve rod moves relative to the valve body, then on-off control over the oil inlet pipeline by the valve element is achieved, the integrity is high, and the sealing performance of the installation position where the valve assembly is used for a long time can be effectively guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of lighter technology, specifically to a liquid lighter. Background Technology

[0002] A lighter is a small fire-starting device that has continuously evolved since its inception, resulting in numerous types and a dazzling array of models. These include electronic lighters, gas lighters, and liquid lighters. Among them, kerosene lighters are a commonly used type of liquid lighter. Using kerosene as fuel, traditional lighters generate sparks through the friction between a flint and a flint wheel. These sparks propel the wick, which is then soaked in kerosene, aviation kerosene, or other kerosene compounds, igniting the wick. The lighter housing itself has a kerosene chamber for storing kerosene. This chamber includes an outlet connected to the top of the housing and a filling hole connected to the bottom. The wick is located inside the chamber and extends to the outlet. The wick absorbs kerosene and other media at one end of the chamber and transfers them to the outlet, aiding in the combustion of the wick.

[0003] Because kerosene is volatile, and the outlet is directly connected to the oil chamber, the kerosene in the oil chamber will still evaporate and be consumed even if the lighter does not burn, which means that kerosene needs to be added to the oil chamber frequently, making the process frequent and complicated.

[0004] Chinese patent CN115289496A discloses a fuel lighter that uses a first fuel chamber for storing fuel and a second fuel chamber for filling a tinder wick inside the casing. The two fuel chambers are connected by a valve assembly that controls the opening and closing of the first and second fuel chambers. By using two fuel chambers, one of them can be used for storage, thus preventing kerosene evaporation. However, since the valve assembly directly connects the two fuel chambers by setting the valve chamber on the casing and using an operating rod and a seal, this method has poor overall integrity and stability. During long-term use, due to the aging or deformation of the seal, internal kerosene may leak from the gap between the operating rod and the casing, affecting its use. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a liquid lighter.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A liquid lighter includes a housing, on which a wick holder and an ignition assembly are provided. The wick holder is connected to an ignition wick. The housing contains a first fuel chamber for storing fuel and a second fuel chamber in contact with the ignition wick. A valve assembly for controlling the opening and closing of the first and second fuel chambers is provided between them.

[0008] The first fuel chamber has a mounting cavity at its top, which is perpendicular to the axis of the cotton core seat. The mounting cavity has an oil inlet communicating with the first fuel chamber, an oil outlet communicating with the second fuel chamber, and an operating port. The valve assembly includes a valve body inserted into the mounting cavity through the operating port. The valve body has an oil inlet pipe connecting the oil inlet and the oil outlet. The valve body has a valve stem. One end of the valve stem is operablely placed on the surface of the housing. The other end of the valve stem has a valve core for switching the oil inlet pipe on and off. The valve stem can connect the oil inlet and the oil outlet or disconnect the connection between the oil inlet and the oil outlet under the action of external force.

[0009] At least two sealing structures are provided between the valve body and the mounting cavity, and the two sealing structures are respectively located on both sides of the oil outlet.

[0010] The valve body has a through passage, the valve stem is movably disposed in the passage, and the side wall of the valve body has an outlet communicating with the oil outlet, and its front end has an inlet communicating with the oil inlet. The outlet and the inlet are respectively connected to the passage and form an oil inlet pipeline. A sealing assembly is provided between the valve body and the valve stem at the rear end of the outlet.

[0011] One end of the valve stem is provided with an operating component for driving the valve stem to move.

[0012] The valve core is a first sealing ring, the valve stem front end is provided with a limiting member for fixing the valve core, and the valve body is provided with an elastic member for driving the first sealing ring to press tightly against the front end of the valve body.

[0013] A fixing plate is provided between the limiting member and the first sealing ring.

[0014] The housing includes a bottom shell and a cover rotatably connected to the bottom shell, and a switch assembly for restricting the opening of the cover is provided on one side of the bottom shell.

[0015] The cover body is provided with a protective seat corresponding to the cotton core seat.

[0016] The switch assembly includes a fastener disposed on one side of the cover, a claw rotatably disposed on the bottom shell, and a switch for driving the claw to move. The fastener has a slot on one side or circumferentially. The claw has a first state in which it is engaged in the slot and a second state in which it is released from engagement with the slot by the switch.

[0017] The bottom shell is also provided with a locking element for limiting the movement of the switching element.

[0018] The beneficial effects of this utility model are as follows: by setting a valve body inside the housing, the valve stem moves relative to the valve body, thereby realizing the valve core's control over the oil inlet pipeline. It has high integrity and can effectively ensure the sealing of the installation location of the valve assembly for long-term use. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] Figure 2 This is a cross-sectional schematic diagram of the present invention.

[0021] Figure 3 This is a cross-sectional schematic diagram of the shell of this utility model.

[0022] Figure 4 This is a cross-sectional schematic diagram of the valve assembly (opening) according to an embodiment of the present utility model.

[0023] Figure 5 This is a cross-sectional schematic diagram of the valve assembly (closed) according to an embodiment of the present invention. Detailed Implementation

[0024] 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.

[0025] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a specific posture (as shown in the attached figure). If the specific posture changes, the directional indicator will also change accordingly.

[0026] like Figure 1 and Figure 2 As shown, this utility model discloses a liquid lighter, including a housing, a wick holder 200 and an ignition assembly 300 on the housing, the wick holder 200 being connected to an ignition wick 400, the housing having a first fuel chamber 2000 for storing fuel and a second fuel chamber 1000 in contact with the ignition wick 400, and a valve assembly 500 for controlling the opening and closing of the first fuel chamber 2000 and the second fuel chamber 1000 between them.

[0027] The housing includes a bottom shell and a cover hinged to the bottom shell. The bottom shell includes an outer shell and a first component, a second component, and a bracket disposed inside the outer shell. The first component has a cavity that serves as a first fuel chamber. Its upper end has a mounting cavity, which is horizontally positioned and its length is less than the width of the first component, so that one side of the mounting cavity contacts the first fuel chamber. The second component cooperates with the first component to form a second fuel chamber. To improve sealing, a second sealing ring is provided at the connection between the two components. The mounting cavity connects the first fuel chamber and the second fuel chamber. The bracket is fixedly disposed above the second component to support and fix other components. Space is left between one side of the first component and the second component and the outer shell for installing an ignition assembly 300. The assembled first component, second component, and bracket are inserted into the outer shell to form a complete bottom shell.

[0028] The first fuel chamber, through the valve assembly set in the installation chamber, forms a complete sealed chamber, which can store fuel for a long time and is not easy to evaporate. The second fuel chamber, because it is in contact with the oil-leading cotton core, is used as the fuel chamber.

[0029] Preferably, a transparent observation window can be provided on the housing at the location of the first fuel chamber to allow for monitoring of the internal fuel level.

[0030] like Figure 3 As shown, the first fuel chamber 2000 has an installation cavity 3000 at its top, which is perpendicular to the axis of the cotton core seat 200. The installation cavity 3000 has an oil inlet 3100 communicating with the first fuel chamber 2000, an oil outlet 3200 communicating with the second fuel chamber 1000, and an operating port 3300. The valve assembly 500 includes a valve body 510 inserted into the installation cavity 3000 through the operating port 3300. The valve body 510 has an oil inlet pipe 550 connecting the oil inlet 3100 and the oil outlet 3200. The valve body 510 has a valve stem 520. One end of the valve stem 520 is operablely placed on the surface of the housing. The other end of the valve stem 520 has a valve core 530 for switching the oil inlet pipe 550 on and off. The valve stem 520 can connect the oil inlet 3100 and the oil outlet 3200 or disconnect the connection between the oil inlet 3100 and the oil outlet 3200 under the action of external force.

[0031] When refueling is needed, first invert the lighter, then open the valve assembly to connect the first and second fuel chambers. Fuel in the first chamber can then enter the second chamber, and the ignition wick automatically absorbs the fuel. Operating the ignition assembly will then ignite the ignition wick, achieving ignition. When refueling is not needed, close the valve assembly to isolate the first and second fuel chambers. Fuel in the first chamber cannot enter the second chamber, thus preventing the ignition wick from absorbing excessive fuel and effectively preventing fuel leakage. This ensures normal product functionality, prevents fuel evaporation, extends fuel life, and is more energy-efficient and environmentally friendly.

[0032] At least two sealing structures are provided between the valve body 510 and the mounting cavity 3000, and the two sealing structures are respectively located on both sides of the oil outlet 3200.

[0033] The front sealing structure can use a third sealing ring to ensure the seal at the oil inlet, while the rear sealing structure can use a valve body with a circumferentially and radially enlarged mating part 511 to form a hard seal between it and the inner wall of the mounting cavity, which also serves to fix the valve body and ensure that its position never changes.

[0034] The valve body 510 has a through passage, the valve stem 520 is movably disposed in the passage, and the side wall of the valve body 510 has an outlet communicating with the oil outlet 3200, and its front end has an inlet communicating with the oil inlet 3100. The outlet and the inlet are respectively connected to the passage and form an oil inlet pipeline 550. A sealing assembly is provided between the valve body 510 and the valve stem 520 at the rear end of the outlet.

[0035] One end of the valve stem 520 is provided with an operating member 540 for driving the valve stem 520 to move. In some embodiments, the force on the operating member can be pressing pressure or rotational force, thereby causing the valve stem to move axially or circumferentially. Similarly, the movement of the valve stem can also drive the valve core to move accordingly, opening or closing the oil inlet pipeline.

[0036] Example

[0037] The valve core 530 is a first sealing ring, the valve stem 520 has a limiting member at the front end for fixing the valve core, and the valve body 510 has an elastic member 560 inside for driving the first sealing ring to press tightly against the front end of the valve body.

[0038] In this embodiment, the first sealing ring is limited by a limiting member, which causes it to press against the front end of the valve body under the action of the elastic member, thereby sealing the inlet and disconnecting the oil inlet pipeline.

[0039] Furthermore, a fixing plate 590 can be provided between the limiting member and the first sealing ring to further provide axial limiting fit for the first sealing ring, so that it can receive uniform force and be fully pressed against the front end of the valve body.

[0040] like Figure 4 As shown, when the operating element is pressed, the valve stem moves forward, thereby creating a gap between the first sealing ring and the front end of the valve body. At this time, the fuel in the first fuel chamber will flow according to... Figure 4 The arrow shown enters the second fuel chamber via the fuel inlet pipe.

[0041] like Figure 5 As shown, when the force on the operating component is released, due to the reset of the elastic component 560, the valve stem drives the sealing ring to tightly adhere to the front end of the valve body through the limiting component and the fixing plate, thereby sealing the inlet of the valve body. At this time, the first fuel chamber and the second fuel chamber are not connected to each other, which can ensure the storage effect of fuel in the first fuel chamber and extend the fuel usage time.

[0042] like Figure 3 As shown, the housing includes a bottom shell 100 and a cover 110 rotatably connected to the bottom shell 100, and a switch assembly for limiting the opening of the cover 110 is provided on one side of the bottom shell 100. By setting the switch assembly to limit the relative opening of the cover, and by linking the cover with the grinding wheel of the ignition assembly, the grinding wheel can rub against the flint while the cover is open, thus completing the ignition action.

[0043] The cover 110 is provided with a protective seat 120 corresponding to the cotton core seat 200. The protective seat serves to protect the cotton core seat and also prevents kerosene from dripping from the oil-drawing cotton core and contaminating the cover when the oil is added inverted.

[0044] The switch assembly includes a fastener 130 disposed on one side of the cover 110, a claw 700 rotatably disposed on the bottom shell 100, and a switch 600 for driving the claw 700 to move. The fastener 130 is provided with a slot on one side or circumferentially. The claw 700 has a first state in which it is engaged in the slot and a second state in which it is released from engagement with the slot by the switch 600.

[0045] In this embodiment, a sliding switch design is adopted. By moving along the length of the lighter, the claws swing relative to each other, thereby disengaging the claws from the fastener and completing the opening action.

[0046] The bottom shell 100 is also provided with a locking member 800 for limiting the movement of the switch member 600. The locking member is slidably disposed on the shell and has a first state that restricts the movement of the switch member and a second state that releases the restriction. In view of the sliding in the length direction in the embodiment, the locking member in this application can be slidably disposed in the horizontal direction of a lighter. By moving the locking member, the movement of the switch member is restricted, which can play a protective role and prevent accidental opening during carrying, thus avoiding danger.

[0047] The embodiments should not be regarded as limitations on the present invention, but any improvements made based on the spirit of the present invention should be within the protection scope of the present invention.

Claims

1. A liquid lighter, comprising a housing, wherein a wick holder (200) and an ignition assembly (300) are provided on the housing, the wick holder (200) is connected to an ignition wick (400), the housing is provided with a first fuel chamber (2000) for storing fuel and a second fuel chamber (1000) in contact with the ignition wick (400), and a valve assembly (500) for controlling the opening and closing of the first fuel chamber (2000) and the second fuel chamber (1000) is provided between the first fuel chamber (2000) and the second fuel chamber (1000). Its features are: The first fuel chamber (2000) has a mounting cavity (3000) at its top, which is perpendicular to the axis of the cotton core seat (200). The mounting cavity (3000) has an oil inlet (3100) communicating with the first fuel chamber (2000), an oil outlet (3200) communicating with the second fuel chamber (1000), and an operating port (3300). The valve assembly (500) includes a valve body (510) inserted into the mounting cavity (3000) through the operating port (3300). The valve body (510) has a connecting... An oil inlet pipe (550) is connected to an oil inlet (3100) and an oil outlet (3200). A valve stem (520) is provided inside the valve body (510). One end of the valve stem (520) can be operated to be placed on the surface of the housing. The other end of the valve stem (520) is provided with a valve core (530) for switching the oil inlet pipe (550) on and off. The valve stem (520) can connect the oil inlet (3100) and the oil outlet (3200) or disconnect the connection between the oil inlet (3100) and the oil outlet (3200) under the action of external force.

2. A liquid lighter according to claim 1, characterized in that: At least two sealing structures are provided between the valve body (510) and the mounting cavity (3000), and the two sealing structures are respectively located on both sides of the oil outlet (3200).

3. A liquid lighter according to claim 1 or 2, characterized in that: The valve body (510) has a through passage, the valve stem (520) is movably disposed in the passage, and the side wall of the valve body (510) has an outlet communicating with the oil outlet (3200), and its front end has an inlet communicating with the oil inlet (3100). The outlet and the inlet are respectively communicating with the passage and forming an oil inlet pipeline (550). A sealing assembly is provided between the valve body (510) and the valve stem (520) at the rear end of the outlet.

4. A liquid lighter according to claim 1, characterized in that: One end of the valve stem (520) is provided with an operating element (540) for driving the valve stem (520) to move.

5. A liquid lighter according to claim 1, characterized in that: The valve core (530) is a first sealing ring, the valve stem (520) has a limiting member at the front end for fixing the valve core, and the valve body (510) has an elastic member (560) inside for driving the first sealing ring to press tightly against the front end of the valve body.

6. A liquid lighter according to claim 5, characterized in that: A fixing plate (590) is provided between the limiting member and the first sealing ring.

7. A liquid lighter according to claim 1, characterized in that: The housing includes a bottom shell (100) and a cover (110) rotatably connected to the bottom shell (100), and a switch assembly for restricting the opening of the cover (110) is provided on one side of the bottom shell (100).

8. A liquid lighter according to claim 7, characterized in that: The cover (110) is provided with a protective seat (120) corresponding to the cotton core seat (200).

9. A liquid lighter according to claim 7, characterized in that: The switch assembly includes a fastener (130) disposed on one side of the cover (110), a claw (700) rotatably disposed on the bottom shell (100), and a switch (600) for driving the claw (700) to move. The fastener (130) is provided with a slot on one side or around the periphery. The claw (700) has a first state in which it is engaged in the slot and a second state in which it is released from engagement with the slot by the switch (600).

10. A liquid lighter according to claim 9, characterized in that: The bottom shell (100) is also provided with a locking element (800) for limiting the operation of the switch element (600).

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