CN219083165U

CN219083165U - Kerosene lighter with improved safety lock

Info

Publication number: CN219083165U
Application number: CN202222756457.8U
Authority: CN
Inventors: 谢涛涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-05-26
Anticipated expiration: 2032-10-19

Abstract

The utility model relates to the field of lighters, in particular to a kerosene lighter with an improved safety lock. The safety lock structure of the locking flip cover on the existing kerosene lighter is exposed and is easy to damage, and the operation hand feeling of the unlocking piece is poor. The utility model provides a kerosene lighter with improved safety lock, comprising a hollow body with built-in oil bin, wherein the top surface of the body is provided with a hole and connected with the oil bin, a fuel core penetrates through the pipe, the top of the body is connected with a flip cover which can be opened by elastic rotation, the body is provided with a safety lock and an unlocking piece for locking the flip cover, the side wall of the body is provided with an upward extension section which surrounds the flip cover, the flip cover can cover an opening surrounded by the extension section when being closed, the safety lock is arranged in a containing cavity surrounded by the flip cover and the extension section, one end of the unlocking piece extends out of the containing cavity and expands to form a cap part, the front and back rotation cap part can lock or unlock the safety lock, and the cap part can be pushed to enable the flip cover to be opened by rotation. The utility model conceals the safety lock structure of the flip cover of the lighter in the machine body and does not expose the safety lock structure, and the unlocking piece for opening the flip cover is convenient to operate and has good hand feeling.

Description

Kerosene lighter with improved safety lock

Technical Field

The utility model relates to the field of lighters, in particular to a kerosene lighter with an improved safety lock.

Background

The kerosene lighter can be used by repeatedly filling fuel oil, and is different from the common disposable gas lighter which ignites fuel gas by piezoelectric ceramic discharge, and the kerosene lighter works by igniting a spark through a friction flint to ignite a fuel core such as a cotton core which is immersed in the fuel oil. In order to improve the use safety, the sparking wheel assembly including flint is hidden under a movable flip, one end of the flip is pivoted with one side of the shell of the lighter, the pivoted end is provided with a torsion spring which can enable the flip to rotate and open, the other end of the torsional spring is simply buckled with the other side of the shell and cannot be self-locked, one end of the buckled flip is pushed by hands during ignition, the flip is enabled to turn over and open, the hidden sparking wheel assembly is exposed, the ignition can be operated, and the flip is pulled back to cover the lighter to restore the position when the lighter is not used, so that the sparking wheel assembly is covered. The locking end of the flip cover of the lighter cannot be locked, so that the safety is poor, and the flip cover is opened and the ignition operation is performed successively, so that the lighter is inconvenient to use. Later, the lighter which is operated once to open the flip and synchronously ignites is improved, the flip and the igniter can be synchronously opened after the switch on the lighter body is pressed down, but the flip still cannot be locked, the risk of incorrect opening and ignition exists, and serious potential safety hazard exists.

The existing flip can be locked, and the lighter capable of being opened by one key to ignite is provided with a safety lock for the flip, but the structure of the safety lock is exposed and is easy to damage, so that the locking effect is poor and even fails, and the safety is influenced. Moreover, the unlocking piece is a screw rod with one end extending out, and when the screw rod is unlocked, fingers are required to prop against the end part of the screw rod and press the end part of the screw rod, so that the flip rotates and drives the spark wheel assembly to ignite, the end part of the screw rod with the thin diameter is uncomfortable to prop against the finger, and the experience is poor.

Disclosure of Invention

The utility model provides a kerosene lighter with improved safety lock, which aims at solving the technical problems that the existing kerosene lighter is easy to damage when exposed to the outside of a safety lock structure of a flip cover so as to influence the use and the operation hand feeling of an unlocking piece is poor.

The utility model solves the technical problems by adopting the technical scheme that: the utility model provides a kerosene lighter of improvement safety lock, includes hollow fuselage, establishes the oil storehouse in it, establishes the spark wheel subassembly in upper portion, and the top surface trompil of fuselage connects the pipeline to link the oil storehouse, wears to establish the burning core in the pipeline, but the flip that elastic rotation was opened is connected at the fuselage top, establishes the safety lock and the unblock piece of locking flip on the fuselage, characterized by fuselage lateral wall is equipped with ascending extension and surrounds flip, can cover the uncovered that the extension encloses when flip is closed, and the safety lock is established in the appearance chamber that flip and extension enclose, and unblock piece one end stretches out and holds the chamber and expands the footpath and form the cap, and positive and negative rotation cap can make safety lock locking flip or unblock safety lock, promotes the cap and can make flip rotate and open. The safety lock of the locking flip cover is hidden in the containing cavity formed by the upward extension section of the machine body and the flip cover, so that the safety lock is protected and is not easy to damage, and the use safety of the lighter is further improved; meanwhile, the cap part formed at one end of the unlocking piece is exposed out of the machine body, the contact area of the cap part and fingers is larger, whether the cap part is rotated to lock/unlock the safety lock or the cap part is pushed to open the flip cover, the operation handfeel is better, and the user experience is greatly improved.

As a further improvement and supplement to the technical scheme, the utility model adopts the following technical measures: the safety lock is a swing rod pivoted on the machine body, the swing rod elastically tends to hook the flip cover, the swing rod can swing back and forth to hook the flip cover or unhook the flip cover, one end of the flip cover is pivoted on the machine body, and a matched hook is arranged between the other end of the flip cover and the swing rod; the unlocking piece is movably arranged on the swing rod in a penetrating mode, the cap part is pushed to enable the unlocking piece to drive the swing rod to move and the flip to unhook, the pushing stroke of the unlocking piece during locking of the swing rod is smaller than that of the unlocking piece during unlocking of the swing rod, and the pushing stroke of the unlocking piece during unlocking of the swing rod is larger than that of the unlocking piece. The safety lock adopts a movable swing rod to hook the flip cover, the daily elasticity of the swing rod tends to hook the flip cover, the swing rod can swing around the pivoting end and the flip cover is unhooked only under the drive of the unlocking piece which is arranged on the swing rod, and the swing rod can be locked or unlocked only by limiting the movable stroke of the unlocking piece to push the swing rod. When the swing rod is locked, the unlocking piece does not have enough pushing stroke to drive the swing rod to unhook the flip, otherwise, when the swing rod is unlocked, the unlocking piece has enough pushing stroke to drive the swing rod to unhook the flip.

The unlocking piece transversely penetrates through the swing rod and is in threaded connection with the swing rod, a threaded section is arranged on the unlocking piece, and a matched threaded hole is formed in the swing rod; the machine body is provided with a positioning part which can push the unlocking piece to limit the pushing travel of the unlocking piece. The positioning part is in contact with the unlocking part to limit the pushing stroke of the unlocking part, wherein the pushing stroke of the unlocking part is from the starting position to the positioning part on the supporting machine body every time the unlocking part is pushed, and the unlocking part can not be pushed after supporting the positioning part.

The positioning part is arranged in the accommodating cavity to limit one end of the unlocking piece extending into the accommodating cavity, or is arranged on the outer surface of the extension section to limit the cap part. The locating part can adopt inside and outside two kinds of different positions to restrict unlocking piece promotion stroke, stretches into holding chamber one end through spacing unlocking piece when the locating part holds the intracavity and comes spacing unlocking piece promotion stroke, comes spacing unlocking piece promotion stroke through spacing cap portion when the locating part holds the extension section surface in the chamber outside.

The unlocking piece comprises a screw rod and a cap part with an integral structure at the outer end of the screw rod, the inner end of the screw rod penetrates through a threaded hole on the swing rod to extend into the accommodating cavity, and a screw cap is sleeved on the screw rod. The unlocking piece is simple in structure and convenient to process, the screw rod and the cap part at the outer end of the screw rod are of an integrated structure, the inner end of the screw rod penetrates through the matched threaded hole in the swing rod and stretches into the accommodating cavity, the screw rod can move back and forth along the threaded hole by rotating the cap part, and the swing rod can be driven to move by pushing the cap part; the screw cap is sleeved at the inner end of the screw rod and used for preventing the screw rod from falling off the swing rod, in particular to the screw rod is prevented from excessively moving outwards due to unidirectional rotation.

The swing rod realizes elastic trend to hook the flip cover by arranging a torsion spring at the position of the pivoted machine body; or the swing rod realizes elastic trend to hook the flip cover through the spring, two ends of the spring respectively prop against the swing rod and the machine body, and the swing rod is provided with a positioning structure which is matched with the end part of the spring. The swing rod elastically tends to hook the flip cover in various modes, such as a torsion spring is arranged at the pivoted position, or a compressed spring is arranged between the swing rod and the machine body, and the elasticity of the torsion spring or the spring can push the swing rod to elastically tend to hook the flip cover without the action of external force.

The side of the machine body is provided with a slot and a movable blade is arranged in the slot, a push button is arranged on the blade in a penetrating way, the push button can be moved downwards to extend the blade, and a gear adjusting mechanism for automatically locking the downward moving distance of the blade is arranged between the inner wall of the slot and the push button. The side surface of the lighter body is also provided with a blade which can be movably extended, the blade can meet the cutting requirements required for disassembling express packages or other daily life, and the automobile safety belt can be cut off to help escape in emergency. The gear adjusting mechanism automatically locks the blade at different gears to fix the extending length of the blade.

The gear adjusting mechanism comprises positioning marbles and a plurality of gear holes which can be partially overlapped, the gear holes are vertically distributed along the inner wall of the slot, the positioning marbles are arranged in mounting pore passages formed by the push button penetrating through the inner end surfaces of the blades, and blade springs are arranged in the mounting pore passages to prop against the positioning marbles so that the positioning marbles elastically extend out of the mounting pore passages. When the gear adjusting mechanism works, the current blade position is locked through the partial overlapping of the positioning marble and the gear hole, and the extending length of the blade is fixed. The positioning marble elastically stretches out of the mounting hole by utilizing the action of the spring, the positioning marble can be pressed into the mounting hole again by the aid of the inner wall of the slot by downwards moving the push button, the blade can move freely along with the push button until reaching a new gear hole, and the spring is reset to push the positioning marble to stretch out of the mounting hole to be partially overlapped with the gear hole, so that the blade is locked at the current position.

The inner wall of the slot is provided with a metal plate in a fitting mode, and the gear hole is formed in the metal plate. The gear hole is formed in one metal plate, the metal plate is attached to the inner wall of the groove, so that the gear hole can be conveniently machined, the abrasion resistance of the gear hole is improved, the service life of the gear hole is prolonged, and the maintenance cost of the lighter can be reduced by replacing the metal plate in the later stage even if the gear hole is worn.

A sealing glue nozzle is embedded in the opening on the top surface of the machine body, a through vertical duct is arranged in the center of the glue nozzle, a fuel core penetrates through the glue nozzle, a gland part matched with the sealing glue nozzle is arranged on the inner wall of the flip cover, and the gland part compresses the glue nozzle when the flip cover is closed. When the flip is closed, the sealing glue nozzle is matched with the gland part to increase the tightness, reduce the volatilization of fuel and prolong the service time of the lighter after each refueling.

The safety lock of the locking flip cover is hidden in the containing cavity formed by the upward extension section of the machine body and the flip cover, the safety lock is protected from being damaged easily, the use safety of the lighter is improved, meanwhile, the operating end is a cap part, the contact area of fingers is large, and the operation experience is better. Furthermore, the lighter is also provided with a blade which can extend out movably at the side surface, so that a cutting function is added, and the lighter is used for cutting off the automobile safety belt for escape in express delivery or emergency; the body of the lighter is also provided with a sealing glue nozzle which is matched with the gland part of the inner wall of the flip, so that unnecessary fuel volatilization is reduced, and the service time of the lighter after each refueling is prolonged.

Drawings

Fig. 1: the utility model is schematically shown.

Fig. 2: the utility model is a cross-sectional view.

In the figure: 1. the device comprises a machine body, 1-1 parts of extension sections, 1-2 parts of grooves, 2 parts of pipelines, 3 parts of turnover covers, 3-1 parts of turnover covers, 3-2 parts of gland parts, 4 parts of unlocking pieces, 4-1 parts of cap parts, 4-2 parts of screw rods, 5 parts of accommodating cavities, 5-1 parts of positioning walls, 6 parts of swinging rods, 6-1 parts of swinging rod hooks, 7 parts of nuts, 8 parts of metal plates, 9 parts of springs, 10 parts of blades, 11 parts of push buttons, 12 parts of mounting pore passages, 13 parts of blade springs, 14 parts of positioning balls, 15 parts of gear holes, 16 parts of rubber nozzles and 16-1 parts of vertical pore passages.

Detailed Description

The utility model is further described with reference to the accompanying drawings and detailed description.

As shown in figures 1-2, a kerosene lighter with improved safety lock comprises a hollow body 1, an oil bin is arranged in the body, a spark wheel component is arranged at the upper part of the lighter, an opening on the top surface of the body 1 is connected with the oil bin through a pipeline 2, a combustion core is arranged in the pipeline 2 in a penetrating way, the top of the body 1 is connected with a turnover cover 3 which can be elastically rotated and opened, the turnover cover 3 is provided with a torsion spring at a position which is rotationally connected with the top of the body 1, the turnover cover is enabled to tend to be rotated and opened, the body 1 is provided with a safety lock for locking the turnover cover 3 and an unlocking piece 4, the side wall of the body 1 is provided with an upward extension section 1-1 surrounding the turnover cover 3, when the turnover cover 3 is closed, the opening defined by the extension section 1-1 can be covered, the safety lock is arranged in a containing cavity 5 defined by the turnover cover 3 and the extension section 1-1, one end of the unlocking piece 4 extends out of the containing cavity and expands to form a cap 4-1, and the turnover cover 3 can be rotated and opened by the cap 4-1 forward and backward.

Furthermore, the safety lock is a swing rod 6 pivoted on the machine body 1, the swing rod 6 elastically tends to hook the flip cover 3 through a spring 9, two ends of the spring 9 respectively prop against the swing rod 6 and the machine body 1, a positioning structure is arranged on the swing rod 6 and is matched with the end part of the spring 9, and in addition, the swing rod can also adopt a torsion spring arranged at the position pivoted on the machine body 1 to realize the elastic tendency to hook the flip cover 3. The swing rod 6 can swing around the pivoting end to hook the flip cover 3 or unhook the flip cover 3, one end of the flip cover 3 is pivoted on the machine body 1, a matched hook is arranged between the other end of the flip cover 3 and the swing rod 6, wherein the flip cover hook 3-1 is arranged at one end of the flip cover 3, and the matched swing rod hook 6-1 is arranged at one end of the swing rod 6.

The unlocking piece 4 transversely penetrates through the swing rod 6 and is in threaded connection with the swing rod, a threaded section is arranged on the unlocking piece 4, a matched threaded hole is formed in the swing rod 6, the pushing cap 4-1 can enable the unlocking piece 4 to drive the swing rod 6 to move and unhook the flip cover 3, the pushing stroke of the unlocking piece 4 during locking of the swing rod 6 is smaller than that of the swing rod 6, and the pushing stroke of the unlocking piece 4 during unlocking of the swing rod 6 is larger than that of the swing rod 6. The unlocking piece 4 in the embodiment comprises a screw 4-2 and a cap part 4-1 with an integral structure at the outer end, wherein the inner end of the screw 4-2 penetrates through a threaded hole on the swing rod 6 to extend into the accommodating cavity 5, and a nut 7 is sleeved. The machine body 1 is provided with a positioning part capable of propping against the unlocking piece 4 to limit the pushing stroke of the unlocking piece, the positioning part is arranged in the accommodating cavity 5 to limit one end of the unlocking piece 4 extending into the accommodating cavity 5, or the positioning part is arranged on the outer surface of the extension section 1-1 to limit the cap part 4-1, and the preferred positioning part is a positioning wall 5-1 in the accommodating cavity 5.

When the daily lighter is not used and the flip is closed, the swing rod elastically tends to hook the flip under the pushing action of the spring, the locking cap part is rotated to enable the inner end of the screw rod to prop against or be close to the positioning wall, and at the moment, the unlocking piece does not have enough pushing stroke to drive the swing rod to unhook the flip, and the unlocking piece is not pushed or has small pushing stroke. The flip cover of the lighter is in a safe locking state and can not be touched and opened by mistake. When the lighter is used, the cap part is required to be rotated to enable the inner end of the screw rod to be far away from the positioning wall, the cap part can be rotated until the screw cap is propped against the swing rod and cannot rotate continuously, the inner end of the screw thread is furthest away from the positioning wall, the unlocking piece has the maximum pushing stroke, the unlocking piece is pushed to drive the swing rod to unhook the flip, when the swing rod is unhooked with the flip, the flip is elastically rotated and opened under the action of the torsion spring. Here, the flip is turned and opened and can be linked with the sparking wheel assembly, so that the flip is opened and simultaneously ignites, and the flip is the prior art and is not repeated.

The utility model also adds a blade cutting function for the lighter, a slot 1-2 is arranged on the side surface of the lighter body 1 and a movable blade 10 is arranged in the slot, a push button 11 is penetrated and fixed on the blade 10, the push button 11 can be moved downwards to extend the blade 10, a gear adjusting mechanism for automatically locking the downward moving distance of the blade 10 is arranged between the inner wall of the slot 1-2 and the push button 11, the gear adjusting mechanism comprises a positioning marble 14 and a plurality of gear holes 15 which can be partially overlapped, the gear holes 15 are vertically distributed along the inner wall of the slot 1-2, the positioning marble 14 is arranged in a mounting hole 12 formed by the push button 11 penetrating through the inner end surface of the blade 10, and a blade spring 13 is arranged in the mounting hole 12 to prop against the positioning marble 14 so as to elastically extend out of the mounting hole 12. The positioning marble can be pressed into the mounting pore canal by the downward moving push button by utilizing the grooved inner wall, the spring is compressed, the blade moves freely along with the push button to reach the adjacent next gear hole, the spring is reset to push the positioning marble to extend out of the mounting pore canal to partially overlap with the next gear hole, the hand is loosened, the blade is locked at the current position under the action of the positioning marble, if the hand is loosened, the button can be continuously pushed to move downward, and the blade is driven to move until the next gear hole. In order to facilitate the manufacture and to increase the wear resistance of the gear opening, a metal plate 8 is attached to the inner wall surface of the slot 1-2, on which plate the gear opening 15 is made.

In order to reduce fuel volatilization, the service time of the lighter after each refueling is prolonged. The top surface of the machine body 1 is provided with a hole, a sealing glue nozzle 16 is further embedded in the hole, a through vertical duct 16-1 is arranged in the center of the glue nozzle, a combustion core penetrates through the glue nozzle, a gland part 3-2 matched with the sealing glue nozzle is arranged on the inner wall of the flip cover 3, and the gland part 3-2 compresses the glue nozzle 16 when the flip cover 3 is closed.

Claims

1. The utility model provides a kerosene lighter of improvement safety lock, includes hollow fuselage (1), establishes the oil storehouse in it, and the spark wheel subassembly is established on upper portion, and the top surface trompil of fuselage (1) connects pipeline (2) to link the oil storehouse, wears to establish in pipeline (2) and fires the core, but flip (3) of elastic rotation opening are connected at fuselage (1) top, establish safety lock and unlatch piece (4) of locking flip (3) on fuselage (1), characterized by fuselage (1) lateral wall is equipped with ascending extension (1-1) around flip (3), can cover the opening that extension (1-1) enclosed when flip (3) are closed, and the safety lock is established in holding chamber (5) that flip (3) and extension (1-1) enclose, and unlatch piece (4) one end stretches out and holds the chamber and expands the footpath and form cap (4-1), and positive and negative rotation cap (4-1) can make safety lock locking flip (3) or unblock safety lock, promote cap (4-1) and can make flip (3) rotate and open.

2. The kerosene lighter with improved safety lock as in claim 1, wherein the safety lock is a swing link (6) pivoted on the body (1), the swing link (6) tends to hook the flip cover (3) elastically, the swing link (6) can swing back and forth to hook the flip cover (3) or unhooking with the flip cover (3), one end of the flip cover (3) is pivoted on the body (1), and a matched hook is arranged between the other end and the swing link (6); the unlocking piece (4) is movably arranged on the swing rod (6) in a penetrating mode, the pushing cap part (4-1) can enable the unlocking piece (4) to drive the swing rod (6) to move and unhook the flip (3), the pushing stroke of the unlocking piece (4) when the swing rod (6) is locked is smaller than the pushing stroke of the swing rod (6) to be unhooked, and the pushing stroke of the unlocking piece (4) when the swing rod (6) is unlocked is larger than the pushing stroke of the swing rod (6) to be unhooked.

3. The kerosene lighter with improved safety lock according to claim 2, wherein the unlocking piece (4) is transversely penetrated on the swing rod (6) and is in threaded connection with the swing rod, a threaded section is arranged on the unlocking piece (4), and a matched threaded hole is arranged on the swing rod (6); the machine body (1) is provided with a positioning part which can push against the unlocking piece (4) to limit the pushing travel of the unlocking piece.

4. A kerosene lighter with improved safety lock according to claim 3, wherein the positioning part is arranged in the containing cavity (5) to limit the unlocking piece (4) to extend into one end of the containing cavity (5), or the positioning part is arranged on the outer surface of the extension section (1-1) to limit the cap part (4-1).

5. A kerosene lighter with improved safety lock according to claim 3, wherein said unlocking member (4) comprises a screw (4-2) and a cap (4-1) integrally formed with the outer end thereof, the inner end of the screw (4-2) extending into the cavity (5) through a threaded hole in the swing link (6), and a nut (7) being fitted.

6. The kerosene lighter with improved safety lock according to claim 2, characterized in that said swing link (6) realizes elastic trend to hook the flip cover (3) by arranging torsion springs at the position of the pivoted body (1); or the swing rod (6) realizes elastic trend to hook the flip (3) through the spring (9), two ends of the spring (9) respectively prop against the swing rod (6) and the machine body (1), and a positioning structure is arranged on the swing rod (6) and is matched with the end part of the spring (9).

7. The kerosene lighter with improved safety lock according to claim 1, wherein the side of the body (1) is provided with a slot (1-2) and a movable blade (10) is arranged in the slot, a push button (11) is arranged on the blade (10) in a penetrating way, the push button (11) can be moved downwards to extend the blade (10), and a gear adjusting mechanism for automatically locking the downward moving distance of the blade (10) is arranged between the inner wall of the slot (1-2) and the push button (11).

8. The kerosene lighter with improved safety lock according to claim 7, wherein the gear adjusting mechanism comprises positioning marbles (14) and a plurality of gear holes (15) which can be partially overlapped, the gear holes (15) are vertically distributed along the inner wall of the slot (1-2), the positioning marbles (14) are arranged in mounting holes (12) formed in the way that the push button (11) passes through the inner end surface of the blade (10), and the blade springs (13) are arranged in the mounting holes (12) to prop against the positioning marbles (14) so that the positioning marbles elastically extend out of the mounting holes (12).

9. The kerosene lighter with improved safety lock as in claim 8, wherein said slot (1-2) has a metal plate (8) on its inner wall, said gear hole (15) is formed on the metal plate (8).

10. The kerosene lighter with improved safety lock according to any one of claims 1 to 9, wherein a sealing rubber nozzle (16) is embedded in the top surface opening of the body (1), a through vertical duct (16-1) is arranged in the center of the rubber nozzle, a fuel core is arranged in a penetrating mode, a gland part (3-2) matched with the sealing rubber nozzle is arranged on the inner wall of the flip cover (3), and the gland part (3-2) presses the rubber nozzle (16) when the flip cover (3) is closed.