JP3162622U - Safety structure in lighter ignition mechanism - Google Patents

Abstract

A safety structure of a lighter ignition mechanism that allows a user to easily perform unlocking, locking operation, and ignition operation. A safety structure of an ignition mechanism provided in a lighter having a case that can be gripped by a user, wherein the ignition mechanism is provided on an upper surface portion of the case and is vertically arranged in an opening formed on the upper surface portion of the case. And has an ignition lever that ignites by rotating downward in the case and prevents the ignition lever from rotating downward in the case so that it can be released in the direction of rotation of the ignition lever. Having a locking portion. [Selection] Figure 4

Description

  The present invention relates to a safety structure in a lighter ignition mechanism.

  In general, when igniting gas cooking utensils, etc., a lighter is widely used and can be easily ignited from the tip, so a safety device is provided so that children will not accidentally ignite. There is a lighter.

  As shown in FIG. 8, in such a lighter 50, an ignition that is joined to an extendable slide portion 53 of a piezoelectric unit 51 that supplies a discharge voltage and can slide in the axial direction to operate the piezoelectric unit 51. A lever 54, a protective frame 55 provided so as to surround the ignition lever 54, and a lock capable of preventing the sliding operation of the ignition lever 54 when locked and enabling the sliding operation of the ignition lever 54 when unlocked A member 56 is provided.

  The lock member 56 protrudes outward from the protective frame 55 when locked to the protective frame 55 below the ignition lever 54. When the lock member 56 is used, the lock member 56 is pushed inward of the protective frame 55. The ignition lever 54 is slid to drive the piezoelectric unit 51 to supply a discharge voltage to ignite the gas discharged from the gas cylinder 57 and ignite it.

  However, in such a conventional lighter 50, when the lighter 50 is used, the case 58 is gripped, and, for example, the ring finger or the little finger is moved from the outside of the protective frame 55 to the lock member 56. To release the locked state, and for example, it is necessary to ignite by inserting an index finger into the protective frame 55 and pressing the ignition lever 54. Since the movement direction of the finger that operates the lock member 56 is different, there is a problem that the unlocking operation and the locking operation are difficult to perform and the ignition operation is difficult to perform.

  The subject of this invention is providing the lighter provided with the safety structure of the ignition mechanism which a user can perform unlocking | release, locking operation, and ignition operation easily.

  The invention according to claim 1 is a safety structure of an ignition mechanism provided in a lighter having a case that can be gripped by a user, wherein the ignition mechanism is provided on the upper surface of the case, and the upper surface of the case It has an ignition lever that can be moved up and down in an opening formed in the section so that it can be raised and lowered, and ignited by rotating downward in the case, and the downward movement of the ignition lever in the case It has a lock part which prevents releasably in the rotation direction of the above-mentioned ignition lever.

  Therefore, in the device according to the first aspect, the user can ignite by releasing the lock portion in the rotation direction of the ignition lever and rotating the ignition lever downward in the case.

According to a second aspect of the present invention, the lock portion is constituted by a lock member provided on the ignition lever that is releasably engaged with the periphery of the opening.
Therefore, according to the second aspect of the present invention, the operation of the ignition lever is locked when the lock member provided on the ignition lever is engaged with the peripheral edge of the opening, and is provided on the ignition lever during use. The lock of the ignition lever can be released by the lock member.

According to a third aspect of the present invention, the lock portion is provided at an inner lower portion of the case and below the ignition lever. The lock portion is releasably engaged with the ignition lever so as to rotate downward in the case. It has a lock member which can be prevented from moving and can be rotated downward of the case of the ignition lever by releasing the engagement with the ignition lever.
Accordingly, in the invention according to claim 3, the downward movement of the ignition lever is locked by the lock member provided at the inner lower part of the case and at the inner lower part of the case.

In the invention according to claim 4, the ignition lever is formed in an elongated box shape, and is rotatably fixed to a shaft portion provided in the case at one end portion in the length direction. The shaft portion that is built in the width direction of the ignition lever is fixed so as to be rotatable in the vertical direction. The upper end portion has an operation portion, and the lower end portion has a locking portion that locks the periphery of the opening. It is characterized by having.
Therefore, in the invention according to claim 4, the operation part of the lock member provided on the ignition lever is operated to release the engagement with the peripheral edge of the opening part below the ignition lever. Can be rotated.

In the device according to claim 5, the lock portion is disposed to face the ignition lever in the vertical direction of the case, and extends along the longitudinal direction of the case on a shaft portion provided in the case width direction. The operation part provided on the lower surface of the case and the inside of the case are engaged. When locked, the lower end of the ignition lever is engaged to prevent the ignition lever from rotating downward. And an engaging portion.
Therefore, in the invention according to claim 5, the ignition is performed by releasing the engagement of the engagement portion with the lower end portion of the ignition lever by operating the operation portion disposed on the lower surface portion of the case. The lever can be pivoted downward.

In the device according to claim 1, the user can ignite by releasing the lock portion in the rotation direction of the ignition lever and rotating the ignition lever downward of the case. The operating direction of the lever matches the unlocking or locking operation direction of the lock portion.
As a result, even when the user holds the case, the ignition lever can be rotated in the same direction as the operation and release operation of the lock portion. There is no need to move the finger that is operated and the finger that performs the lock operation and the release operation by the lock unit, and the user can easily perform the lock operation, the release, and the ignition operation.

  According to a second aspect of the present invention, the operation of the ignition lever is locked when the lock member provided on the ignition lever engages with the peripheral edge of the opening, and the lock provided on the ignition lever in use. Since the lock of the ignition lever can be released by the member, the user can release the lock with the same finger that operates the ignition lever and can operate the ignition lever at the time of use.

  According to a third aspect of the present invention, the downward rotation of the ignition lever is locked by a locking member provided at the inner lower part of the case and below the ignition lever. Since the lock can be released, when the case is gripped, the operation of the ignition lever and the lock member can be performed by the gripping operation in the same direction of the finger, so the ignition operation is performed by a reasonable operation be able to.

  In the invention according to claim 4, by operating the operation part of the lock member provided in the ignition lever to release the engagement of the locking part with the peripheral edge of the opening, the downward movement of the ignition lever is achieved. Since the rotation can be performed, when the case is gripped, the unlocking operation and the ignition operation by the ignition lever can be performed by the same finger operation.

  In the invention according to claim 5, the lock portion is disposed to face the ignition lever in the vertical direction of the case, and by operating an operation portion disposed on the lower surface portion of the case, By releasing the engagement of the engagement portion with the lower end portion of the ignition lever, the downward movement of the ignition lever can be performed, so that the ignition operation and the lock operation can be performed by holding the case. Therefore, the ignition operation and the lock operation can be easily performed.

It is a perspective view which shows 1st embodiment of the safety structure in the ignition mechanism of the lighter which concerns on this invention. It is sectional drawing which shows 1st embodiment of the safety structure in the ignition mechanism of the lighter which concerns on this invention, Comprising: It is a figure which shows the state which the lock mechanism which comprises a safety structure is acting. It is sectional drawing which shows 1st embodiment of the safety structure in the ignition mechanism of the lighter which concerns on this invention, Comprising: It is a figure which shows the state by which the lock mechanism which comprises safety structure was cancelled | released. It is sectional drawing which shows 1st embodiment of the safety structure in the ignition mechanism of the lighter which concerns on this invention, Comprising: The lock mechanism which comprises safety structure is cancelled | released, and is a figure which shows the state ignited by the ignition lever. It is sectional drawing which shows 2nd embodiment of the safety structure in the ignition mechanism of the lighter which concerns on this invention, Comprising: It is a figure which shows the state which the lock mechanism which comprises a safety structure is acting. It is sectional drawing which shows 2nd embodiment of the safety structure in the ignition mechanism of the lighter which concerns on this invention, Comprising: It is a figure which shows the state by which the lock mechanism which comprises safety structure was cancelled | released. It is sectional drawing which shows 2nd embodiment of the safety structure in the ignition mechanism of the lighter which concerns on this invention, Comprising: The lock mechanism which comprises safety structure is cancelled | released, and is a figure which shows the state ignited by the ignition lever. It is a partial cross section figure which shows the safety structure in the ignition mechanism of the conventional lighter.

Hereinafter, the present invention will be described in detail based on embodiments shown in the accompanying drawings.
As shown in FIGS. 1 to 4, in the lighter 10 according to the present embodiment, the case 11 is generally formed in a substantially elongated rectangular parallelepiped shape, is provided with a firing port 20 at one end in the length direction, and an upper surface. An ignition lever 15 is provided near the ignition port 20 of the portion 13, and the ignition lever 15 operates the piezoelectric unit 21 provided in the upper part of the case 11, and the gas cylinder provided in the lower part of the case. The gas is ignited by igniting gas by opening 22 and the user is configured to hold and use the case 11.

  As shown in FIGS. 1 to 4, the ignition mechanism 12 is provided on the upper surface portion 13 of the case 11, and can turn up and down in an opening 14 formed in the upper surface portion 13 of the case 11. The ignition lever 15 that is ignited by rotating downward in the case 11 is disposed, and the downward movement of the ignition lever 15 in the downward direction of the case 11 is canceled in the rotational direction of the ignition lever 15. It has a locking part 16 to prevent it.

  In this embodiment, the case 11 is generally formed in a substantially quadrangular prism shape, and a concave portion 17 having a substantially triangular side surface is formed in the upper portion in the width direction. The recess 17 includes a recess upper surface portion 25 and a recess front surface portion 26, the opening 14 is provided in the recess upper surface portion 26, and an ignition lever 15 is disposed in the opening 14. Yes.

  The ignition lever 15 is formed in a substantially trapezoidal shape in a side cross section and is formed in an overall elongated hollow box shape, and a shaft provided inside the upper surface portion 13 of the case 11 at the rear end portion 19 in the length direction. It is fixed to the portion 18 so as to be pivotable, and is configured to pivot in the vertical direction around the shaft portion 18.

  A piezoelectric unit pressing portion 23 is provided at the rear end portion of the ignition lever 15. When the ignition lever 15 is rotated downward about the shaft portion 18, the piezoelectric lever pressing portion 23 is provided to be rotatable about the shaft portion 37. The piezoelectric unit slide part 39 is pressed through the cam 24 and ignited.

A lock portion 16 is provided at the front end portion of the ignition lever 15. The lock portion 16 is constituted by a lock member 27 that is releasably locked to the lower edge portion 26a of the concave front surface portion 26 that forms the periphery of the opening portion 14.
The lock member 27 includes a lever portion 29 fixed to a shaft portion 28 provided along the width direction of the ignition lever 15 so as to be pivotable in the vertical direction, and is fixed to a back surface side of the lever portion 29. A gas lever pressing portion 36 that can press the 22 gas lever 38; a locking step portion 30 formed at the lower end portion of the lever portion 29; a stopper portion 35 formed at the lowermost end portion of the lever portion 29; And an operation portion 31 formed at the upper end portion of the lever portion 29.

Further, a protrusion 32 is provided at the upper end portion of the gas lever pressing portion 36, and a protrusion 33 is also formed inside the upper surface portion of the ignition lever 15, and between the protrusion 32 and the protrusion 33. A spring 34 that constantly urges the protrusion 32 downward is disposed.
Accordingly, the lock member 27 is urged clockwise around the shaft portion 28 by the urging force of the spring 34, and the stopper portion 35 is lowered to the lower edge portion 26a of the concave front portion 26. The operation portion 31 is in a state of protruding on the surface portion 34 of the ignition lever 15.

Hereinafter, the operation of the lighter according to the present embodiment will be described.
In the lighter 10 according to the present embodiment, when not in use, the ignition lever 15 protrudes above the general surface of the upper surface portion 13 in the recess 17 of the case 11 as shown in FIG.
In this case, when the user simply pushes down the ignition lever 15, the locking step portion 30 of the lever portion 29 of the lock member 27 is placed on the lower edge portion 26 a of the recess front portion 26 as described above. Since it is engaged, the ignition lever 15 does not rotate and is not ignited. Therefore, the lock unit 16 effectively prevents mischief from being ignited by a child or the like.

  On the other hand, when the user ignites, as shown in FIG. 3, the ignition lever 15 is pushed downward while pushing the operation part 31 of the lock part 16 downward. When the operation portion 31 is pushed downward, the lever portion 29 rotates counterclockwise about the shaft portion 28, and the locking step portion 30 formed at the distal end portion of the lever portion 29 is connected to the concave front portion 26. Since the engagement with the lower edge portion 26 a is released, the ignition lever 15 rotates counterclockwise about the shaft portion 18.

As shown in FIG. 4, the piezoelectric unit pressing portion 23 presses the cam 24 by this rotating operation, so the cam 24 rotates clockwise and presses the piezoelectric unit 21. At the same time, the gas lever pressing portion 36 presses the gas lever 38 by the rotation operation, so that the gas is supplied from the gas cylinder 22. As a result, the gas supplied from the gas cylinder 22 is generated by the electric spark in the piezoelectric unit 21. The ignited spark is ignited, and the ignited flame is emitted from the igniter 20.

5 to 11 show another embodiment of the safety structure in the ignition mechanism of the lighter according to the present invention. Note that the same members as those of the above-described embodiment are denoted by the same reference numerals and description thereof is omitted.
In the present embodiment, the lock portion 40 is provided at an inner lower portion of the case 11 and below the ignition lever 15.
The case can be releasably engaged with the ignition lever 15 to prevent the case 11 from rotating downward, and the engagement with the ignition lever 15 can be released to rotate the ignition lever 15 below the case 11. A lock member 41 that can be moved is provided.

  The locking member 41 is formed in a substantially L-shaped side cross section, and is disposed on the shaft portion 42 provided in the width direction of the case 11 while being disposed to face the ignition lever 15 in the vertical direction of the case 11. The case 11 is provided so as to be rotatable along the front-rear direction of the case 11 and is disposed in the opening 46 formed in the opening 46 formed in the lower surface portion 43 of the case 11. An engaging portion 45 that engages with a stopper portion 35 formed at the lower end portion of the ignition lever 15 and prevents the ignition lever 15 from rotating downward is provided.

Hereinafter, the operation of the safety structure in the lighter ignition mechanism according to the present embodiment will be described.
Normally, as shown in FIG. 5, since the engaging portion 45 of the lock member 41 is engaged with the stopper portion 35 of the ignition lever 15, the user simply pushes the ignition lever 15 downward. Even in such a case, the ignition lever 15 does not rotate and is not ignited. Therefore, the lock unit 40 effectively prevents mischief from being ignited by a child or the like.

On the other hand, when the user ignites, as shown in FIG. 6, after pressing the operation portion 44 of the lock portion 16 provided on the lower surface portion 43 of the case 11 inward of the case 11, the ignition lever 15 Push down.
When the operation portion 44 is pushed inward of the case 11, the lock member 41 rotates counterclockwise about the shaft portion 42, and the engagement between the engagement portion 45 and the stopper portion 35 is released. Accordingly, as shown in FIG. 7, the ignition lever 15 rotates counterclockwise about the shaft portion 18.

Since the piezoelectric unit pressing portion 23 presses the cam 24 by this rotating operation, the cam 24 rotates clockwise and presses the piezoelectric unit slide portion 39. At the same time, the gas lever pressing portion 36 presses the gas lever 38 by the rotation operation, so that the gas is supplied from the gas cylinder 22. As a result, the gas supplied from the gas cylinder 22 is generated by the electric spark in the piezoelectric unit 21. The ignited spark is ignited, and the ignited flame is emitted from the igniter 20.

DESCRIPTION OF SYMBOLS 10 Lighter 11 Case 12 Ignition mechanism 13 Upper surface part 14 Opening part 15 Ignition lever 16 Lock part 17 Recessed part 18 Shaft part 19 Rear end part 20 Firing opening 21 Piezoelectric unit 22 Gas cylinder 23 Piezoelectric unit pressing part 24 Cam 25 Recessed part upper part 26 Recessed part front Portion 27 lock member 28 shaft portion 29 lever portion 30 locking portion 31 operation portion 32 protrusion portion 33 protrusion portion 34 surface portion 35 stopper portion 36 gas lever pressing portion 37 shaft portion 38 gas lever 39 piezoelectric unit slide portion 40 lock portion 41 lock member 42 Shaft portion 43 Lower surface portion 44 Operation portion 45 Engagement portion 46 Opening portion 50 Lighter 51 Piezoelectric unit 53 Slide portion 54 Ignition lever 55 Protective frame 56 Lock member 57 Gas cylinder

Claims (5)

A safety structure of an ignition mechanism provided in a lighter having a case that can be gripped by a user,
Provided on the upper surface of the case, disposed in an up and down direction in the opening formed in the upper surface of the case so as to be able to appear and retract, and having an ignition lever that ignites by rotating downward in the case, and A safety structure in an ignition mechanism of a lighter, comprising a lock portion that releasably inhibits the downward movement of the ignition lever in the rotational direction of the ignition lever.   2. A safety structure in an ignition mechanism of a lighter according to claim 1, wherein the lock portion is constituted by a lock member provided on the ignition lever that is releasably engaged with the periphery of the opening.   The lock portion is provided at an inner lower portion of the case and below the ignition lever. The lock portion is releasably engaged with the ignition lever so as to prevent downward rotation of the case. 2. A safety structure in an ignition mechanism of a lighter according to claim 1, further comprising a lock member that can be rotated downward in the case of the ignition lever by releasing the engagement. The ignition lever is formed in an elongated box shape, and is rotatably fixed to a shaft portion provided in the case at one end in the length direction.
The lock member is fixed to a shaft portion provided along the width direction of the ignition lever so as to be rotatable in the vertical direction. The upper end portion has an operation portion and the lower end portion engages with the periphery of the opening. The safety structure for the ignition mechanism of the lighter according to claim 2, further comprising a locking portion.   The lock portion is disposed to face the ignition lever in the vertical direction of the case, and is provided on a shaft portion provided in the case width direction so as to be rotatable along the front-rear direction of the case. And an engaging portion that is disposed inside the case and engages with a lower end portion of the ignition lever when locked to prevent the ignition lever from rotating downward. The safety structure of the lighter ignition mechanism according to claim 3.