JP2004163067A - Gas lighter - Google Patents

Abstract

An object of the present invention is to provide a gas lighter that has a simple lock mechanism and is easy to assemble.
A lock cap (3) having an upper wall (31) covering the upper surface and side surfaces of an ignition button (2) and side walls (32a, 32b) and locking members (33a, 33b) protruding in a lateral direction y, and a lock inside the case (1). When the cap is in the locked position, it is located below the locking body to prevent the locking body from descending, and when the locking cap is in the unlocked position, which has moved in the lateral direction y from the locking position, the locking body moves downward. A stopper 8a provided outside the trajectory; one of the sliding guide grooves 21a, 21b extending in the lateral direction y and the engaging strips 33a, 33b fitted in the lateral direction y is locked to the side of the ignition button, and the other is locked. It was provided on the side wall of the cap. In the embodiment, the sliding guide groove is provided on the ignition button, the locking strip is provided on the lock cap, and the locking body is integrally continuous with the locking strip, and is provided at the tip of the locking strip.
[Selection diagram] FIG.

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a gas lighter, and more particularly, to a lever for operating a fuel gas discharge nozzle assembled to a fuel tank, an ignition button for driving the lever to a gas discharge position, and an upper corner having the fuel tank and lever built therein. The present invention relates to a gas lighter comprising: a case with an open part;
[0002]
[Prior art]
In this type of gas lighter, when the main body case is grasped with the hand and the ignition button is pressed down, the fuel gas is released from the fuel gas discharge nozzle, and before or after that, flint sparks or high-pressure electric sparks are generated and the fuel gas is released. Is ignited, and flames are emitted upward or to the side.
[0003]
There has been a proposal to add a lock mechanism or a safety mechanism, as there may be a problem in safety if a flame is emitted only by pressing the ignition button.
[0004]
The lighter disclosed in Japanese Patent Application Publication No. 2002-527709 has a lock in which a latch member is swingably connected to an ignition button, and the latch member can be lowered by rotating the latch member. The mechanism is adopted.
[0005]
The gas lighter disclosed in Japanese Patent Application Laid-Open No. 2001-41449 has a slide-type stopper slidably coupled to the side of an ignition button in a lateral direction, and is attached to an upper end of a lighter body. A protrusion is provided to prevent the stopper from lowering. When the stopper is at the lock position, the downward movement of the ignition button is hindered by the stopper and the protrusion, and when the stopper is slid laterally and is at the unlock position, the ignition button can be moved downward, that is, the ignition operation can be performed.
[0006]
The lighter disclosed in Japanese Patent Application Laid-Open No. 2001-99425 is equipped with a locking spring plate on an ignition button, which is spread outward to prevent the ignition button from descending at a stepped portion of an inner wall of the case. A safety lock mechanism is provided which allows the lock spring plate to be pushed down inward by an unlocking member which can be lowered along the inward direction to release the locking spring plate from the step on the inner wall of the case so that the ignition button can be lowered.
[0007]
[Problems to be solved by the invention]
In each case, the mechanism around the ignition button is complicated, and it takes time to assemble. An object of the present invention is to provide a gas lighter that has a simple lock mechanism and is easy to assemble.
[0008]
[Means for Solving the Problems]
(1) A lever (6) for operating a fuel gas discharge nozzle (42) assembled to a fuel tank (4), an ignition button (2) for driving the lever to a gas discharge position, and the fuel tank and lever A lighter case (1) having a built-in upper end corner and a lighter case, wherein the ignition button (2) is incorporated in the upper end corner of the lighter case so as to be movable in the vertical direction z.
A lock cap (3) having an upper wall (31) and side walls (32a, 32b) covering an upper surface and a side surface of an ignition button (2) and locking members (33a, 33b) protruding in the lateral direction y; In the inside of (1), when the lock cap (3) is in the lock position, it is located below the locking body (33a, 33b) to prevent the locking body (33a, 33b) from descending. When the lock cap (3) is in the unlocked position moved in the lateral direction y from the locked position, a stopper (8a) is provided outside the locus of downward movement of the locking body (33a, 33b);
One of the sliding guide groove (21a, 21b) extending in the lateral direction y and the engaging strip (33a, 33b) fitted in the lateral direction y is provided on the side surface of the ignition button (2), and the other is provided on the lock cap. (3) provided on the side walls (32a, 32b);
A gas lighter characterized by that:
[0009]
In addition, in order to facilitate understanding, reference numerals corresponding to corresponding or corresponding elements or members of the embodiment shown in the drawings and described later are added in parentheses for reference. The same applies to the following.
[0010]
According to this, the lock cap (3) is connected to the ignition button (2) so that the head of the ignition button (2) is covered with the lock cap (3). 33b) is fitted into the sliding guide grooves (21a, 21b). This couples the locking cap (3) to the ignition button (2) movably in the transverse direction y relative thereto. Thus, the mounting of the lock cap (3) is simple, and the assembling work of the gas lighter can be simplified.
[0011]
When the lock cap (3) is placed in the lock position after being connected as described above, even if a downward driving force is applied to the lock cap (3), the locking member (3) of the lock cap (3) is applied. 33a, 33b) hits the stopper (8a), so that downward movement is prevented.
[0012]
When the lock cap (3) is slid in the horizontal direction y from the lock position to the unlock position, the locking members (33a, 33b) of the lock cap (3) come off the stopper (8a). (3) can be moved downward. When the upper surface of the lock cap (3) is pressed down in this state, the ignition button (2) is lowered integrally with the lock cap (3), whereby the lever (6) is driven and the fuel gas discharge nozzle (42) is turned on. Moving to the discharge position, fuel gas exits from the nozzle (42).
[0013]
Therefore, the fuel can be emitted from the nozzle (42) and ignited by first moving the lock cap (3) in the lateral direction y and then in the downward direction z by placing the thumb on the upper wall of the lock cap (3). it can. The lateral movement and the downward movement can be performed in series, and the operability is good.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
(2) A lever (6) for operating a fuel gas discharge nozzle (42) assembled to the fuel tank (4), an ignition button (2) for driving the lever to a gas discharge position, and the fuel tank and lever A lighter case (1) having a built-in upper end corner and a lighter case, wherein the ignition button (2) is incorporated in the upper end corner of the lighter case so as to be movable in the vertical direction z.
Sliding guide grooves (21a, 21b) extending in the lateral direction y are provided on the side surfaces of the ignition button (2); upper walls (31) and side walls (32a, 32b) covering the upper surface and side surfaces of the ignition button (2). ) And a lock cap (3) having locking strips (33a, 33b) fitted in the sliding guide grooves (21a, 21b) and protruding in the horizontal direction y, and inside the lighter case (1), When the lock cap (3) is in the lock position, the lock cap (3a) is positioned below the distal end of the locking strip (33a, 33b) to prevent the locking strip (33a, 33b) from descending. ) Is located in an unlocked position moved in the lateral direction y from the locked position, and a stopper (8a) is provided outside the downward movement locus of the locking strip (33a, 33b);
A gas lighter characterized by that:
[0015]
According to this, the lock cap (3) is coupled to the ignition button (2) such that the head of the ignition button (2) is covered with the lock cap (3). The stoppers (33a, 33b) are fitted into the sliding guide grooves (21a, 21b) of the ignition button (2). This couples the locking cap (3) to the ignition button (2) movably in the transverse direction y relative thereto. Thus, the mounting of the lock cap (3) is simple, and the assembling work of the gas lighter can be simplified.
[0016]
When the lock cap (3) is placed in the lock position after being connected as described above, even if a downward driving force is applied to the lock cap (3), the locking strip of the lock cap (3) is applied. Since the tip of (33a, 33b) hits the stopper (8a), the downward movement is prevented.
[0017]
When the lock cap (3) is slid in the lateral direction y from the lock position to the unlock position, the tips of the locking strips (33a, 33b) of the lock cap (3) come off the stopper (8a). , The lock cap (3) can be moved downward. When the upper surface of the lock cap (3) is pressed down in this state, the ignition button (2) is lowered integrally with the lock cap (3), whereby the lever (6) is driven and the fuel gas discharge nozzle (42) is turned on. Moving to the discharge position, fuel gas exits from the nozzle (42).
[0018]
Therefore, the fuel can be emitted from the nozzle (42) and ignited by first moving the lock cap (3) in the lateral direction y and then in the downward direction z by placing the thumb on the upper wall of the lock cap (3). it can. The lateral movement and the downward movement can be performed in series, and the operability is good.
[0019]
Other objects and features of the present invention will become apparent from the following description of embodiments with reference to the drawings.
[0020]
【Example】
(A), (d) and (g) of FIG. 1 show the appearance of one embodiment of the present invention. (A) shows an appearance in which the lock cap 3 is placed in the lock position when not in use, (d) shows an appearance in which the lock cap 3 is driven in the lateral direction y and is placed in the unlock position, and (g). Shows the appearance of the used state in which the lock cap 3 is driven in the downward direction z at the unlock position to emit a flame.
[0021]
FIG. 2 shows the fuel tank 4 and elements inside the case assembled to the fuel tank 4 before being inserted into the case 1. A portion of the fuel discharge nozzle 42 protruding from the upper end of the fuel tank 4 has a valve mechanism in a portion inside the fuel tank 4. When the nozzle 42 is driven upward by the lever 6, the valve is opened, and the fuel gas is discharged from the upper end of the nozzle 42. Leaks out. At the upper end of the nozzle 42, a metal coil 43 for ensuring fuel ignition by the high-pressure electric spark is mounted.
[0022]
A pair of trunks 7 and 8 stand from the upper surface of the fuel tank 4, and an elevating guide 9 is fixed to this. The block of the fuel tank 4 has a hole for accommodating the main body of the piezoelectric unit 5, into which the piezoelectric unit 5 is inserted. The tip 52 of the high-voltage electric lead of the piezoelectric unit 5 is supported by the lifting guide 9 and faces the metal coil 43. The other pole (equipment ground pole) of the piezoelectric unit 5 is electrically connected to the metal lever 6, the nozzle 42 and the metal coil 43 at the tip thereof. When the striking operation element 51 of the piezoelectric unit 5 is pushed down, the compression coil spring in the piezoelectric unit 5 is compressed, and when a predetermined stroke is pushed down, the plunger (striking element) pushed by the compression coil spring is disengaged, The plunger is driven by the repulsive force of the compression coil spring to strike the piezoelectric element, and the piezoelectric element generates a high voltage. As a result, a high-voltage electric spark is generated between the tip 52 of the high-voltage electric lead and the metal coil 43. At this time, if the fuel gas flows out of the nozzle 42, it ignites and becomes a flame.
[0023]
FIG. 3 is an enlarged view of the ignition button 2 put on the striking operation element 51 of the piezoelectric unit 5 and the lock cap 3 put on the ignition button 2. The ignition button 2 is generally in the form of a cap in which the lower part of the wall surface on the nozzle 42 (flame port 11) side, that is, the lower part of the front wall surface, of an inverted square cylinder having a bottom hole for receiving the striking operation element 51 is cut off. The copying projection 22 protrudes from the front wall surface. The copying protrusion 22 is shaped to fit into a guide groove 91 extending in the vertical direction z of the lifting guide 9 (FIG. 2). The ignition button 2 is put on the striking operation element 51 and the copying protrusion 22 is placed on the guide groove 91. When fitted, the ignition button 2 can be moved only in the vertical direction z.
[0024]
Since the thickness (x direction) of the ignition button 2 is slightly smaller than the thickness of the inner space of the case 1, the ignition button 2 can be inserted into the case 1 from the lower opening of the case 1. It can also be inserted into the case from the upper corner opening 13 (FIG. 2). The ignition button 2 is put on the striking operation element 51 shown in FIG. 2 and the copying protrusion 22 of the ignition button 2 is fitted into the guide groove 91, and inserted integrally with the fuel tank 4 from the lower opening of the case 1. Assembling in which the ignition button 2 is exposed in the upper corner opening 13 of the device 1 has high assembling workability.
[0025]
On the two side surfaces of the ignition button 2, there are sliding guide grooves 21a and 21b extending in the lateral direction y extending from just before the rear wall surface to the front wall surface and open to the front wall surface.
[0026]
The lock cap 3 is generally in the shape of a cap in which the wall surface on the side of the nozzle 42 (flame port 11), that is, the front wall surface of an inverted square cylinder having a bottom hole for receiving the head of the ignition button 2 is cut out. From the front wall surface, the tip portions (locking members) of the locking strips 33a and 33b extending in the lateral direction y project. The locking strips 33a, 33b are fitted in the sliding guide grooves 21a, 21b of the ignition button 2 and can move laterally along the grooves 21a, 21b. Since the lock cap 3 is made of a somewhat soft synthetic resin, the ignition button 2 is received in the lower opening thereof and is pressed strongly downwardly with respect to the ignition button 2 to form the locking strips 33a, 33b. The gap between them slightly opens, and the locking strips 33a, 33b cross over the top of the ignition button 2 and fit into the sliding guide grooves 21a, 21b. As a result, the lock cap 3 is connected to the ignition button 2 so as to be movable in the lateral direction y.
[0027]
The ignition button 2 is put on the striking operation element 51 shown in FIG. 2 and the copying protrusion 22 of the ignition button 2 is fitted into the guide groove 91, and inserted integrally with the fuel tank 4 from the lower opening of the case 1. After the ignition button 2 is exposed in the upper corner opening 13 of the case 1, the lock cap 3 is inserted from the upper corner opening 13 of the case 1 below the upper wall of the case 1 through the upper ends of the locking strips 33 a, 33 b. As described above, the lighter is assembled with the ignition button 2 as shown in FIG.
[0028]
The fuel tank 4 and the case 1 are fixed so that they do not relatively shift in the vertical direction z. In this embodiment, the fixing is performed by fitting the extremely low small claw on one end of the fuel tank 4 and the lower end of the case 1 to the other groove for receiving the same. Or a small amount of adhesive is applied to the outer surface of the lower end of the fuel tank 4 and then the fuel tank is inserted into the case 1 from its lower opening through the upper end of the fuel tank. It is also possible to adopt a bonding method of inserting from a part.
[0029]
The thickness of the lock cap 3 in the x direction (between the outer surfaces) is the same as the thickness of the corresponding portion of the case 1 in the lateral direction.
[0030]
FIG. 2 is referred to again. A lock cap 3 connected to the ignition button 2 is in the lock position ((a) in FIG. 1) on the trunks 7 and 8, and the locking strips 33a and 33b are disposed closest to the nozzle 42 in the horizontal direction y. When protruding to a close position, there is a stop step surface (stopper) 8a ((c), (f), (h) in FIG. 1) located below the tip of the locking strip 33a, 33b.
[0031]
FIG. 1 is referred to again. When the lock cap 3 is in the lock position shown in FIG. 1A, as shown in FIG. 1B, the tips of the locking strips 33 a and 33 b of the lock cap 3 are larger than the copy projection 22 of the ignition button 2. Since it protrudes close to the nozzle 42 and is located on the stop step surface 8a of the trunks 7, 8 as shown in FIG. 3 (c), it does not lower even if the lock cap 3 is pushed down (locked state).
[0032]
When the lock cap 3 is slid in the horizontal direction y and is placed in the unlock position shown in FIG. 4D, as shown in FIG. 5E, the tips of the locking strips 33a and 33b of the lock cap 3 Since the horizontal position is substantially the same as that of the scanning projection 22 and the position is deviated from above the stop step surface 8a of the trunks 7 and 8 as shown in (f), the lock cap 3 can be pushed down ( Unlocked).
[0033]
When the lock cap 3 is placed in the unlocked position and is further pushed down in the downward direction z, the ignition button 2 is lowered, and the lever 6 is driven to rotate, whereby the nozzle 42 is pulled up and starts discharging fuel gas. Thereafter, the piezoelectric unit 5 generates a high voltage, generates a high-voltage electric spark between the tip 52 of the electric lead (FIG. 2) and the metal coil 43, and the fuel gas flowing out of the nozzle 42 becomes a flame, and the flame outlet 11 Rise from. This state is shown in FIGS. 1 (g) and (h).
[0034]
When the pressing of the lock cap 3 is stopped, the ignition button 2 is pushed up by the repulsive force of the coil spring inside the piezoelectric unit 5, and the ignition button 2 and the lock cap 3 move upward, and FIG. Return to the position shown in. Here, by returning the lock cap 3 to the lock position, the lock state shown in FIGS. 1A and 1C is obtained.
[0035]
In the above-described embodiment, the locking members that prevent the lock cap 3 from moving in the downward direction z at the locking position are the distal ends of the locking strips 33a and 33b. That is, it is formed integrally and continuously with the locking strip. However, the locking body may be separated from the locking strip. Further, in the mode of separation, a locking strip may be formed on the ignition button 2 and a sliding guide groove may be formed on the lock cap 2.
[Brief description of the drawings]
1A and 1B are drawings showing one embodiment of the present invention, wherein FIG. 1A is a side view of the entire lighter with a lock cap 3 placed at a lock position, FIG. () Is a longitudinal sectional view around the lock cap 3. (D) is a side view of the entire lighter with the lock cap 3 placed at the unlock position, (e) is a plan view of the lock cap 3 part, and (f) is a longitudinal sectional view around the lock cap 3. (G) is a side view of the entire lighter in use, and (h) is a longitudinal sectional view around the lock cap 3.
FIG. 2 is a perspective view showing an appearance of an outer case 1 and a fuel tank 4 of the lighter shown in FIG.
FIG. 3 is a perspective view showing an appearance of an outer case 1, an ignition button 2, and a lock cap 3 of the lighter shown in FIG.
[Explanation of symbols]
1: Case 11: Flame port 12: Air port 13: Upper corner opening 2: Ignition button 21a, 21b: Sliding guide groove 22: Copying projection 3: Lock cap 31: Top wall 32a, 32b: Side wall 33a, 33b: Locking strip 4: Fuel tank 42: Fuel discharging nozzle 43: Coil 5: Piezoelectric unit 51: Striking operator 52: Tip of electric lead 6: Lever 7, 8: Trunk 8a: Stop step surface 9: Elevating guide 91 : Guide groove

Claims (2)

A lever for operating a fuel gas discharge nozzle assembled to the fuel tank, an ignition button for driving the lever to a gas discharge position, and a lighter case incorporating the fuel tank and the lever and having an open upper corner. In a gas lighter in which the ignition button is movably incorporated in a vertical direction z at the upper end corner of the lighter case,
A lock cap having an upper wall and a side wall covering an upper surface and a side surface of an ignition button, and a locking body protruding in a lateral direction y; and a locking body inside the lighter case, the locking body being in a locking position when the lock cap is in a locking position. A stopper positioned below the lock member to prevent the locking member from descending, and when the lock cap is in the unlocked position moved in the lateral direction y from the locking position, the stopper is located outside the lower movement trajectory of the locking member;
One of a sliding guide groove extending in the lateral direction y and a locking strip fitted therein and extending in the lateral direction y is provided on a side surface of the ignition button, and the other is provided on a side wall of the lock cap;
A gas lighter characterized by that: A lever for operating a fuel gas discharge nozzle assembled to the fuel tank, an ignition button for driving the lever to a gas discharge position, and a case having the fuel tank and the lever built-in and an upper end corner opened. In a gas lighter in which the ignition button is incorporated in the upper end corner of the case so as to be movable in the vertical direction z,
A sliding guide groove extending in the lateral direction y is provided on a side surface of the ignition button;
A lock cap having an upper wall and a side wall covering an upper surface and a side surface of the ignition button, and a locking strip fitted in the sliding guide groove and protruding in the horizontal direction y; and inside the lighter case, the lock cap is provided. When in the locked position, it is located below the tip of the locking strip to prevent the locking strip from descending. When the lock cap is in the unlocked position, which has moved in the lateral direction y from the locking position, the locking strip is locked. A stopper outside the body's downward trajectory;
A gas lighter characterized by that:

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