WO2007099399A2 - 折りたたみ式着火器 - Google Patents
折りたたみ式着火器 Download PDFInfo
- Publication number
- WO2007099399A2 WO2007099399A2 PCT/IB2006/004138 IB2006004138W WO2007099399A2 WO 2007099399 A2 WO2007099399 A2 WO 2007099399A2 IB 2006004138 W IB2006004138 W IB 2006004138W WO 2007099399 A2 WO2007099399 A2 WO 2007099399A2
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- WO
- WIPO (PCT)
- Prior art keywords
- arm
- main body
- rotating arm
- folded
- igniter
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q2/00—Lighters containing fuel, e.g. for cigarettes
- F23Q2/16—Lighters with gaseous fuel, e.g. the gas being stored in liquid phase
Definitions
- Patent application title Foldable igniter
- the present invention relates to an igniter that drives a piezoelectric unit by operation of an operation member and ejects flame from the tip of a rotating arm portion extending from a main body, and in particular, the rotating arm portion of the igniter is
- the present invention relates to a foldable igniter that is rotatably attached to the main body.
- an igniter has been used for gas appliances, solid fuel ignition, or fireworks ignition.
- an igniter having a tip pipe (extension portion) that extends in a rod shape from a main body and ejects flame is known (Patent Document 1).
- This igniter has a piezoelectric unit that is operated by a gas tank and an operation member in the body, and a flame is ejected from the tip of the tip pipe by the operation of the operation member.
- This type of igniter can be ignited safely and easily without being burned because the hand-held main body is separated from the tip of the tip pipe from which the flame erupts, but the overall shape of the igniter becomes longer. There is a problem that a relatively large space is required for storing and storing the igniter.
- a lighter in which a rod-like extension portion from which a flame is ejected can be expanded or contracted with respect to the main body, or can be folded so that it can be miniaturized when not in use.
- a foldable lighter in which a rod-like tip is rotatably attached to one end of a main body (Patent Document 2).
- This lighter is usually in a position where the tip (extension tube) is pivotably folded to the main unit, and when used (ignition), the tip is rotated and extended from the main unit. It is like that.
- the operation member is attached to the main body so as to be positioned between the folded tip portion.
- Patent Document 1 Japanese Patent Application Laid-Open No. 9-1 1 3 3 3 5 9 (Fig. 1)
- Patent Document 2 Japanese Patent Publication No. 5-1 4 1 7 2 (Fig. 2, Fig. 3)
- the lighter disclosed in Patent Document 2 may damage the finger or the object by pinching the finger or an object between the extension tube and the operation member. There is also a risk of ignition by pressing.
- the present invention has been made in view of the above circumstances.
- a finger or an object is sandwiched between the rotating arm and the igniter main body, resulting in injury or damage.
- the foldable igniter of the present invention accommodates a fuel tank and a piezoelectric unit, and is exposed to an externally exposed operating member that operates a piezoelectric unit and a fuel supply valve that controls fuel supply from the fuel tank substantially simultaneously.
- a flame ejection nozzle is housed in the vicinity of the other end of the main body. It consists of a rotating arm that can be opened and closed between
- a safety mechanism is further provided to prevent the rotating arm unit from being folded when an external object such as a finger is interposed between the rotating arm unit and the operation member.
- the safety mechanism has a rotation prevention member that is pivotally supported by a bearing portion in the main body that swings by operation of the operation member.
- the rotation prevention member includes a first arm that protrudes to a position that interferes with a movement range of the operation member so that the rotation prevention member is pushed by the pushing operation of the operation member, and a rotation preventing member that is turned when the first arm is pushed by the pushing operation of the operation member.
- the second arm is configured so that when the operation member is further pushed in from a position where the rotation arm portion is prevented from being folded, the rotation arm portion is pushed open by further pushing the operation member. It can comprise so that it may engage with a part of part.
- the folding igniter according to the present invention is configured such that when an external object such as a finger is interposed when a rotating arm unit whose one end is rotatably coupled to the main body is folded into a storage position, the rotating arm unit is folded.
- a safety mechanism that has a rotation prevention member pivotally supported by a bearing in the main body that swings by operation of the operation member, and the rotation prevention member interferes with the operation member.
- a first arm that protrudes to a position, and a second arm that prevents the pivot arm from being folded when the first arm is pushed by the operating member. Since it is a thing, it has the following effects.
- the rotation preventing member prevents the rotating arm from being folded. There is no risk of injury or damage. In addition, since the rotating arm is not folded, there is no risk of igniting by pressing the push button accidentally through a finger or an object.
- the operation member when the operation member is further pushed in from a position that prevents the rotation arm portion from being folded, the second arm pushes and opens the rotation arm portion by further pushing the operation member. If it is configured to engage a part of the part, even if a finger or object is sandwiched between the rotating arm part and the main body, the ignition will be prevented more reliably. It is possible to prevent damage to fingers and objects.
- FIG. 1 is a perspective view showing the igniter 1 in a folded state
- FIG. 2 is a perspective view showing the igniter 1 in an unfolded and usable state.
- the igniter 1 has a main body 2 that is gripped by hand, and a rotating arm portion 4 that is pivotally supported on one end side of the main body 2.
- the main body 2 accommodates a piezoelectric unit 10 2 (FIG. 8) and a fuel tank 10 6 (FIG. 8), which will be described later.
- a pivoting portion 6 is formed on one end side of the main body 2, and a pivoted portion 10 that pivots on the pivoting portion 6 corresponding to the pivoting portion 6 is formed on one end of the rotating arm portion 4. Is formed.
- An operation button (operation member) 8 is attached to the main body 2 so as to be exposed from the opening 32 in the vicinity of the pivot 6. The operation button 8 is pressed with a finger to ignite.
- a confirmation window 12 for forming the remaining amount of fuel such as liquefied gas is formed on the side wall 14 (FIG. 2) of the main body 2.
- the main body 2 is formed with an opening 18 from which an adjustment projection 16 for adjusting the length of the flame to be ejected projects.
- the rotating arm portion 4 accommodates a pipe assembly 20 so as to be slidable along the longitudinal direction of the rotating arm portion 4. The pipe assembly 20 is drawn into the rotary arm 4 when the rotary arm 4 is folded so as to overlap the main body 2 as shown in FIG. It is in the state.
- rotating arm 4 is in the open position (use position), that is, when it is opened up by y ⁇ degrees with respect to 2 but not 2, the tip tube 20 a of the pipe assembly 20 The tip 4a is exposed from the opening (opening) 60b.
- the main body 2 includes two members that are combined with each other, that is, half bodies 2a and 2b, and a main body cover 2c that holds the half bodies 2a and 2b in a state of being coupled to each other.
- Fig. 3 is a perspective view showing the front half 2a in Figs. 1 and 2
- Fig. 3 (a) shows the half 2a as viewed from the outside.
- Fig. 3 (b ) Indicates the state viewed from the inside.
- Fig. 4 shows half 2b of Fig. 3 opposite to half 2a
- Fig. 4 (a) is a front view seen from the inside
- Fig. 4 (b) is a perspective view seen from the inside. is there.
- Fig. 5 shows the body cover 2c
- Fig. 5 (a) is a perspective view.
- FIG. 5 (b) is a perspective view showing a cross section taken along line 5b-5b of FIG. 5 (a).
- one half 2a is integrally formed of, for example, a synthetic resin, and has an annular shaft portion (rotating shaft) 6a that constitutes a part of the pivot attachment portion 6 and Main part 22a.
- the annular surface 28a of the shaft portion 6a has a circular opening 24a, a cylindrical bearing 30a continuously formed in the opening 24a, and a bearing 30a outside the bearing 30a. It has an annular wall (cylindrical wall) 26 a formed coaxially.
- the main part 22a is formed with a notch 32a for accommodating the operation button 8 in the upper part.
- the main part 22a is composed of an upper wall 34a and a bottom wall 3 extending substantially in parallel.
- tongue pieces 3 8a and 39a are integrally formed so as to extend to the opposite side to the shaft portion 6a.
- a groove 37 a used for positioning the main body cover 2 c is formed in the vertical direction.
- “upper and lower” means the upper and lower sides in the figure referred to in the description.
- each of the stop pieces 40a, 41a is formed with notches 42a, 43a so as to have a gap between the outer peripheral surface 31a and the inside of the shaft portion 6a.
- an inwardly-notched notch 44a is formed on the main wall 2 2a side of the annular wall 26a.
- a projection 46a is formed on the inner surface of the main portion 22a so as to project inward in the vicinity of the notch 44a, and further, the projection 46a force, inwardly at a position separated from the other end side.
- a seat 50 a having an oval recess 48 a is formed. This receiving seat 50 a serves as a bearing for the operation button 8.
- the half body 2 b has a shape substantially in contrast with the half body 2 a and has a shaft portion 6 b and a main portion 2 2 b.
- the shaft portion 6 b has an annular wall (cylindrical wall) 26 b having the same outer diameter as the shaft portion 6 a.
- Stop pieces 40 b and 4 1 b are located on outer peripheral surface 3 1 b of bearing (rotating shaft) 30 b at positions corresponding to stop pieces 40 a and 4 1 a, respectively.
- the stop pieces 40a and 40b are collectively referred to as an engaging portion 40, and the stop pieces 41a and 41b are collectively referred to as a stud 41.
- the bearing 3Ob is formed with three notches 30c, 30d, and 30e that are spaced apart from each other along the circumference of the bearing 30b.
- the main portion 2 2 b has a notch 3 2 b corresponding to the notch 3 2 a.
- one opening 3 2 for receiving the operation button 8 is formed (FIGS. 1 and 2).
- similar protrusions 46 b and receiving seats 50 b are formed at positions corresponding to the above-described protrusions 46 a and receiving seats 50 a.
- tongue pieces 3 8 b and 3 9 b are formed on the upper wall 34 b and the bottom wall 36 b of the main part 2 2 b at positions corresponding to the aforementioned tongue pieces 38 a and 39 a, respectively.
- the bearings 50a and 50b are collectively referred to as a bearing portion 50.
- the tongue pieces 38 a and 38 b and the tongue pieces 39 a and 39 b are collectively referred to as holding pieces 3 8 and 39, respectively.
- a groove 37 b is also formed on the outer surface of the main portion 22 b of the half body 2 b corresponding to the groove 37 a.
- the main body cover 2 c is formed by combining the two halves 2 a and 2 b of the heel with the inner sides facing each other, and from the other end of the combined halves 2 a and 2 b, the half 2 a, 2 Used as mounted on b.
- the main body cover 2 c has an opening portion 5 4 formed with a pair of curved edges 5 2 and 5 2 that are curved upward at one end.
- the main body cover 2 c has ribs 5 6 a, 5 that are positioned when a piezoelectric unit 100 2 (to be described later) or a fuel tank 10 6 (FIG. 8) is accommodated. 6 b and 5 6 c are projected.
- a pair of ribs 5 6 a are formed on the left and right along the longitudinal direction of the body cover 2 c.
- a pair of 5 6 b is formed vertically along the longitudinal direction (FIG. 8). Note that the mating ribs 5 6 a, 5 6 b, and 5 6 c that are paired with each other are not shown in FIG. 5 (b). The ribs 56 are formed vertically at the innermost part.
- the inner surface of the side wall 14 is engaged with the grooves 3 7 a and 3 7 b of the half 2 a and 2 b when receiving the aforementioned half 2 a and 2 b. 8 is formed. In FIG. 5, only one bead 5 8 is shown.
- the main body cover 2c is positioned and fixed by the engagement between the beads 58 and the grooves 37a and 37b.
- FIG. 6 shows the rotating arm part 4
- FIG. 6 (a) is a perspective view
- FIG. 6 (b) is a front view
- the pivot arm portion 4 includes a pivoted portion 10 and an elongated protective cover 60 formed integrally with the pivoted portion 10.
- the protective cover 60 is formed of a heat insulating material such as synthetic resin, for example, and has a cavity 62 that penetrates in the longitudinal direction of the protective cover 60 inside. With this protective cover 60, the rotating arm portion 4 can be rotated without touching the tip tube 20a of the pipe assembly 20.
- the pivoted portion 10 is pivotally held between the shaft portions 6a and 6b of the half bodies 2a and 2b so as to be rotatable.
- the pivoted portion 10 has an annular wall (cylindrical wall) 2 6 c having substantially the same outer diameter as the shaft portions 6 a and 6 b.
- the annular wall 26c is formed with an annular step portion 64 on which the annular walls 26a, 26b of the main body 2 are crowned. Note that an opening 66 is formed in the annular wall 26 c and the annular step portion 64 so that the cavity 62 of the protective cover 60 communicates with the inside of the annular wall 26 c.
- the arcuate inner wall (outer cylinder) 70 is coaxial with the annular wall 26c by three circumferentially spaced support walls 68a, 68b, 68c Are integrally supported. An annular space is formed between the circular inner wall 70 and the annular wall 26 c. Support wall 6 8 a and support wall
- the bearings 30a and 30b described above are referred to as an inner cylinder with respect to the outer cylinder.
- the arc-shaped inner wall 70 has a shape in which the upper part, that is, the opening 66 side is cut away.
- Two projecting pieces 7 2 a and 7 2 b projecting toward the half body 2 b are formed on the arc-shaped inner wall 70.
- the projecting piece 7 2 a is formed in the vicinity of the lower portion of the support wall 6 8 a, and the projecting piece 7 2 b is formed at substantially the same position as the support wall 6 8 c.
- These projecting pieces 7 2 a and 7 2 b are formed with bulging portions 73 facing inward at their tip portions.
- the protruding portions 7 3 of these projecting pieces 7 2 a and 7 2 b are notched 30 0 c and 3 0 d in the bearings 30 b of the half body 2 b.
- a protrusion (thick portion) 74 extending along the circumferential direction of the annular wall 26c is provided on the lower side of the annular wall 26c. Is formed.
- the ridges 7 4 are formed so as to extend from the lower end of the annular wall 2 6 c to both the supporting walls 6 8 a and 6 8 c along the edge of the annular wall 2 6 c on the half 2 b side. Has been.
- the ridge 7 4 extends slightly toward the support wall 6 8 a. It extends toward the support wall 68c over 1/2 of the distance along the circumference of the support wall 68b and the support wall 68c.
- the arc-shaped inner wall 70 has a rib 76 protruding outward at substantially the same position as the support wall 68. Further, a slot 78 is formed on the arc-shaped inner wall 70 directly below the rib 76.
- the protective cover 60 has a metal cap 60 a having an exposure port 60 b.
- the cap 60 a is engaged and locked with a recess or hole (not shown) provided at the tip of the protective cover 60 by, for example, an engaging claw (not shown).
- the material of the cap 60 a may be a heat insulating material such as nylon.
- FIG. 7 shows a pipe assembly 20
- FIG. 7 (a) is a perspective view
- FIG. 7 (b) is a partial cross-sectional view of the region indicated by 7 b in FIG. 7 (a).
- the state where the nozzle part and the gas pipe are assembled in 20 is shown.
- the pipe assembly 20 has a metal tip tube 20 a and a tip pipe portion 20 b to which the tip tube 20 a is attached.
- the tip tube 20 a is cylindrical and has a crater 82 at which the flame erupts.
- the distal end pipe portion 2 Ob is formed of, for example, a synthetic resin, and includes a cylindrical portion 8 4 to which the distal end tube 20 a is attached, and a plate-like extension portion 86 formed integrally with the cylindrical portion 84.
- the tip of the extension 86 that is, the end on the main body side is formed in a T shape. That is, a columnar convex portion 8 8 projecting laterally on both sides in a direction orthogonal to the longitudinal direction of the pipe assembly 20 is formed at the main body side end portion.
- a nozzle holding portion 90 that is accommodated in the distal end tube 20 a is formed in the distal end pipe portion 20 b so as to be continuous with the cylindrical portion 84.
- a space 92 that extends in the longitudinal direction of the tip tube 20 a is formed in the tip tube 20 a having the cylindrical portion 84 and the nozzle holding portion 90.
- a nozzle portion (flame ejection nozzle) 94 and a gas pipe 96 connected to the nozzle portion 94 are disposed.
- the nozzle portion 94 has a nozzle tip 94a and a nozzle body 94b into which the nozzle tip 94a is inserted.
- This nozzle portion 94 is fixed to the tip of the nozzle holding portion 90 so that the nozzle tip 94 a is outside the nozzle holding portion 90.
- the gas pipe (flexible fuel conduit) 96 is connected to the nozzle body 94 b of the nozzle portion 94 via the connection pipe 98.
- the connecting pipe 98 is formed from, for example, nylon.
- a nozzle cover 100 that protects the nozzle tip 94 a is attached to the outside of the tip of the nozzle holding part 90.
- FIG. 8 is a cross-sectional view taken along line 8-8 of the igniter 1 shown in FIG. 1
- FIG. 9 is a cross-sectional view taken along line 9-9 of the igniter 1 shown in FIG.
- the rotating arm 4 is in a closed state, ie, a folded state, overlapping the main body 2.
- a piezoelectric unit 10 2, a housing 10 4 for holding the piezoelectric unit 10 2, and a fuel tank 10 6 are disposed in the main body 2.
- the piezoelectric unit 10 2 has a slide portion 10 2 a that is pressed so that the piezoelectric unit 10 2 generates power.
- the fuel tank 10 6 is configured by mounting and fixing a rectangular tube-like member to the housing 10 4 from the side opposite to the piezoelectric unit 10 2.
- the piezoelectric unit 10 2 and the fuel tank 10 6 are positioned and held by the aforementioned ribs 5 6 a, 5 6 b, 5 6 c and holding pieces 3 8, 3 9.
- the operation button 8 of the main body 2 is pivotally supported by the bearing portion 50 so as to face the opening 3 2 of the main body 2.
- FIG. Fig. 10 shows the operation button 8
- Fig. 10 (a) is a perspective view
- Fig. 10 (b) is a plan view
- Fig. 10 (c) is a side view
- Fig. 10 (d) is a front view
- the operation button 8 has a deformed circular or elliptical upper wall 10 8 formed in a large arc shape on one end side and a small arc shape on the other end side in plan view.
- the upper wall 10 8 is surrounded by a peripheral wall 1 10, and the inner side of the peripheral wall 1 10 is a cavity.
- a plate-like portion 8 a is provided so as to protrude sideways, and the plate-like portion 8 a
- An L-shaped engaging claw (hook part) 8 b is formed to extend obliquely upward on one side, that is, the half 2 b side.
- An inward projection 1 1 2 is formed at the tip of the engaging claw 8 b.
- the operation button 8 comes into contact with the lower edge of one end side of the opening 32 of the main body 2 from below. This prevents the operation button 8 from coming out of the opening 3 2.
- a pair of cylindrical shafts 8 c that are pivotally supported by the bearing portion 50 are projected at positions corresponding to the bearing portions 50.
- a downward notch 8 d is formed on one end side of the lower edge 1 14 of the peripheral wall 1 10.
- the arm 8 e hangs down from the other end of the upper wall 108.
- a curved projection 1 1 6 is formed facing the slide portion 10 2 2a.
- the aforementioned engaging claw 8 b is positioned at the pivot attachment portion 6. Further, the curved projection 1 1 6 of the arm 8 e is located in contact with or in the vicinity of the sliding portion 1 0 2 a that is projected by being biased by a spring. Further, the shaft 8c is supported in an elliptical manner within the elliptical bearing portion 50 and can move horizontally to the other end side.
- the circular bearings 30a and 3Ob of the half bodies 2a and 2b are rotatably fitted in the arc-shaped inner wall 70 of the rotating arm portion 4. Is clearly shown.
- FIG. 8 and 9 clearly show the state in which the rotating arm portion 4 is pivotally supported by the main body 2.
- FIG. That is, the arc-shaped inner wall 70 of the rotating arm portion 4 is pivotally supported by the bearings 30 a and 3 Ob of the main body 2 so as to be rotatable.
- the bearing 30 b appears, and in FIG. 9, the bearing 30 a appears.
- a sleeve 14 6 is inserted and fixed inside the combined bearings 30 a and 30 b.
- the sleeve 1 4 6 has a cylindrical shape and has annular convex portions 1 4 7 at both ends (FIG. 1, FIG.
- annular stepped portions 1 4 8 are formed on the outer peripheral edges of the openings 2 4 a and 2 4 b of the half bodies 2 a and 2 b as shown in FIG. 3 (a) and FIG. 3. ing.
- Sleeve 1 4 6 is bearing
- FIG. 12 is a partial cross-sectional perspective view showing the pivoting portion 6 and its vicinity when the rotating arm portion 4 is closed.
- the engaging claw 8 b is located in the vicinity of the edge of the annular wall 26 c, and the protrusion 1 1 2 of the engaging claw 8 b is in the vicinity of the flange on the inner side of the annular wall 26 c of the rotating arm 4. Is located.
- the protrusion 74 formed below the edge of the annular wall 26 c is located at a position spaced downward from the engaging claw 8 b.
- the above-mentioned pipe ⁇ ; and the solid 20 are arranged in the protective cover 60 of the rotating arm 4, and the extension 8 6 is the rotating arm. Positioned at pivot 6 through opening 6 6 in 4.
- the convex portion 88 of the extension portion 86 is located on one end side of the stop pieces 40 a, 4 Ob and is engaged with the stop pieces 40 a, 40 b, that is, the engaging portions 40. In this state, even if an attempt is made to pull out the distal end tube 20 a, the protrusion 88 is engaged with the engagement portion 40, so that it cannot be pulled out and is maintained in a compact state. .
- a connecting portion 1 1 8 for connecting the gas pipe 96 and supplying fuel to the gas pipe 96 is attached to the housing 10 4 to which the fuel tank 10 6 is attached.
- the gas pipe 9 6 passes through the pivot 6 and the pipe assembly To 2 0.
- a lever member (rotation prevention member) 1 2 0 is arranged at a position corresponding to the notch 8 d of the operation button 8.
- This lever member 120 is a safety mechanism that prevents the pivot arm 4 from being folded.
- the lever member 120 will be described with reference to FIGS. 11 and 13 together.
- FIG. 13 is a partial cross-sectional perspective view showing the pivot portion 6 and its vicinity.
- the lever member 120 has a substantially elongated plate shape, and a columnar support shaft 12020a is projected in a lateral direction on a side edge 1224a near one end side.
- the portion extending from the support shaft 120a to the operation button 8 side is referred to as the first arm 1 21 and the portion extending to the pivoting portion 6 side is the second arm.
- the arms are called 1 2 3.
- an arc-shaped protrusion 1 2 0 c is formed in alignment with the support shaft 1 2 0 a.
- the second arm 1 2 3 is provided with a rectangular tongue piece 1 2 0 b projecting laterally on the lower surface 1 2 8 side of the side edge 1 2 4 b opposite to the support shaft 1 2 0 a.
- the first arm 1 2 1 is formed with a rectangular plate portion 1 2 0 d which is larger than the rectangular tongue piece 1 2 0 b.
- the lever member 1 2 0 is supported on the shaft 1 2 2 (Fig. 3 (b)) of the half 2 a with the rectangular plate 1 2 0 d on the operation button 8 side and It is done. And it is supported by a compression coil spring (hereinafter simply referred to as a spring) 1 3 0 arranged on the half body 2 a side.
- a compression coil spring hereinafter simply referred to as a spring
- the notch 8 d of the operation button 8 is engaged with the rectangular plate portion 1 2 20 d of the first arm 1 2 1.
- the distal end portion 1 2 0 e of the second arm 1 2 3 including the rectangular tongue piece 1 2 0 b is engaged with the slot 7 8 of the arc-shaped inner wall 70 of the rotating arm portion 4.
- FIG. 14 is a longitudinal sectional view similar to FIG. 6, showing a state where the rotating arm portion 4 of the igniter 1 is slightly opened.
- FIG. 15 is an enlarged cross-sectional view of the main part showing the pivot attachment portion 6, the operation button 8, and the vicinity thereof. Referring to FIG. 15, when the pivot arm 4 is rotated to open, the convex portion 8 8 of the pipe assembly 20 moves away from the engagement portion 40 and rotates clockwise in FIG. Move. The position of the rotating arm portion 4 is as follows when the rotating arm portion 4 is opened from the closed position.
- an external object 1 3 4 such as a finger is positioned between the operation button 8 and the rotating arm unit 4, and the rotating arm unit 4 is evenly closed in the closing direction due to external force applied.
- the operation button 8 is pushed downward as indicated by arrows 1 3 6.
- the lever member 120 engaged with the operation button 8 is rotated counterclockwise in FIG. As shown in detail in FIG. 15, at this time, the tip 1 2 0 e of the lever member 1 2 0 is engaged with the slot 7 8 of the arc-shaped inner wall 70 of the rotating arm 4. ing.
- the operation button 8 When the operation button 8 is further pressed downward by the rotating arm portion 4, the operation button 8 further presses the rectangular plate portion 120 d of the lever member 120.
- the front end portion 120 e of the lever member 120 urges the rib 76 formed adjacently on the slot 78 upward.
- the protective cover 60 of the rotating arm 4 is prevented from moving further downward.
- the operation button 8 is in a state where it is difficult to push the lever member 120 due to resistance. In this state, the arm 8 e force ′ of the operation button 8 is pressed to some extent on the slide portion 10 2 a of the piezoelectric unit 10 2, but does not reach ignition.
- FIG. 16 is a cross-sectional view similar to Fig. 8, showing a cross-section of the igniter 1 at a different position from Fig. 14.
- Fig. 16 (a) is a cross-section of the igniter 1 in the same state as Fig. 14.
- FIG. 16 (b) is a cross-sectional view of the main part showing a state when the operation button 8 is further pressed. As shown in FIG.
- the ridge 7 4 is positioned in the vicinity of the engaging claw 8b, but has not yet been engaged with the engaging claw 8b.
- the arm 8 e of the operation button 8 is The rider 1 0 2 a is pressed slightly.
- the locking mechanism is constituted by the engaging claw 8 b and the protrusion 74.
- FIG. 17 is a partial cross-sectional view showing a state where the rotating arm portion 4 is opened at a substantially right angle.
- the protruding portions 7 2 a and 7 2 b of the above-mentioned protrusions 7 3 are engaged with the notches 3 0 d and 3 O e, respectively, and the position of the rotating arm portion 4 is in this state.
- the protrusions 7 4 are disengaged from the engaging claws 8 b. Therefore, it is possible to press the operation button 8 to ignite, but normally it does not ignite at this position.
- FIG. 18 is a longitudinal sectional view of the igniter 1 showing a state in which the rotating arm 4 is expanded about 150 °
- Fig. 19 is an igniter showing a cross section at a position different from that of Fig. 18.
- 1 is a longitudinal sectional view of 1.
- FIG. 18 and 19 the convex arm 8 of the pipe assembly 20 is in contact with the stopper 41 and the pivot arm 4 is rotated.
- the tip tube 20 a which is the end portion on the nozzle part 94 side of the pipe assembly 20 is pushed out from the exposure port 60 b (FIG. 6 (a)) of the protective cover 60.
- the tip tube 20 a force at the time of ignition; for example, even if it hits an external object such as a gas appliance (not shown), the projecting portion 8 8 of the pipe assembly 20 is brought into contact with the stopper 41. Since they are in contact with each other, the tip tube 20 a does not sink into the protective cover 60. Therefore, it is unlikely that the flame that has spouted from the shed 8 2 will hit the protective cover 60.
- the operation button 8 has a notch 8 d at the lower edge thereof in contact with the protrusion 46 a of the main body 2, and is prevented from further rotation. In FIG. 19, the moving amount of the sliding portion 1 0 2 a has not yet reached the sliding amount required for voltage generation.
- FIG. 20 is an enlarged cross-sectional view of the main part showing a state when the operation button 8 is slid. As shown in FIG. 20, by sliding the operation button 8, the arm 8 e force; and the piezoelectric unit 1 0 2 slide part 1 0 2 0 2 generates electricity. Thereby, it is possible to discharge in the vicinity of the nozzle tip 94a.
- the rotating arm part 4 that is ignited and emits flame is rotated clockwise in FIG.
- FIG. Fig. 21 is a cross-sectional view taken along line 2 1- 21 in Fig. 8, showing the operating state of the fuel supply valve.
- Fig. 2 1 (a) shows the state before the ignition operation
- Fig. 2 1 (b ) Is a partial sectional view showing a state after the ignition operation.
- the slide portion 102a has a lever pushing portion 102b that is formed integrally with the slide portion 102a along the sliding direction of the slide portion 102a, which is located on the fuel supply valve side. The sliding portion 102b moves with the movement of the slide portion 102a.
- a fuel supply valve 14 2 is disposed in the housing 104.
- the fuel supply valve 142 is engaged with a substantially L-shaped lever 144 pivotally supported by a shaft 145 in the same plane as the paper surface.
- the lever 1 44 has an engagement arm 1 44 a engaged with the fuel supply valve 1 42 and a drive arm 1 44 b located in the vicinity of the lever pressing portion 102 b.
- FIG. 1 is a perspective view showing a folded state of a folding igniter as an example of the present invention.
- FIG. 2 shows the folding igniter of FIG. 1 in an unfolded and usable state.
- FIG. 3 is a perspective view showing the front half in FIGS. 1 and 2, wherein (a) shows the state of the half viewed from the outside, and (b) shows the state viewed from the inside.
- Fig. 4 shows the half on the opposite side of Fig. 3, (a) is a front view from the inside, (b)
- FIG. 5A and 5B show a main body cover, in which FIG. 5A is a perspective view, and FIG. 5B is a perspective view showing a cross section taken along line 5b-5b in FIG. 5A.
- FIG. 6A and 6B show a rotating arm part, where FIG. 6A is a perspective view and FIG. 6B is a front view.
- FIG. 7 shows a pipe assembly
- (a) is a perspective view
- (b) is a partial cross-sectional view of a region indicated by 7b in (a)
- a nozzle part and a gas pipe are incorporated in the pipe assembly. Indicates the state.
- FIG. 8 Cross section taken along line 8-8 of the folding igniter shown in Fig. 1.
- FIG. 9 Cross section taken along line 9-9 of the folding igniter shown in Fig. 1.
- buttons (a) is a perspective view, (b) is a plan view, (c) is a side view,
- (d) is a front view.
- FIG. 1 1 Shows a lever member, (a) is a perspective view, (b) is a plan view, (c) is a right side view, (d) is a front view, and (e) is a bottom view.
- FIG. 12 Partial cross-sectional perspective view showing the pivoting portion and its vicinity when the rotating arm portion is closed
- FIG. 14 is a longitudinal sectional view similar to FIG. 6, showing a state where the pivot arm of the foldable igniter is slightly opened.
- FIG. 15 Enlarged cross-sectional view of the main part showing the pivot part, operation buttons, and their vicinity
- FIG. 16 Similar to Fig. 8, showing a cross-section of the folding igniter at a different position from Fig. 14.
- FIG. 15A is a cross-sectional view of the foldable igniter in the same state as FIG. 14, and FIG. 15B is a cross-sectional view of the main part showing a state when the operation button is further pressed.
- FIG. 17 Partial cross-sectional view showing a state where the rotating arm is opened at a substantially right angle.
- FIG. 18 Longitudinal section of a foldable igniter showing a state where the rotating arm is expanded about 150 °
- FIG. 9 is a cross-sectional view taken along line 2 1-2 1 in FIG. 8 showing the operating state of the supply valve, where (a) shows the state before the ignition operation, and (b) is a partial cross-sectional view showing the state after the ignition operation. It is.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lighters Containing Fuel (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06849484A EP1956295A2 (en) | 2005-09-02 | 2006-08-31 | Foldable igniter |
US12/065,144 US7625203B2 (en) | 2005-09-02 | 2006-08-31 | Foldable igniter |
CN2006800408851A CN102007344B (zh) | 2005-09-02 | 2006-08-31 | 折叠式点火器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-254867 | 2005-09-02 | ||
JP2005254867A JP4791784B2 (ja) | 2005-09-02 | 2005-09-02 | 折りたたみ式着火器 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007099399A2 true WO2007099399A2 (ja) | 2007-09-07 |
Family
ID=37926999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2006/004138 WO2007099399A2 (ja) | 2005-09-02 | 2006-08-31 | 折りたたみ式着火器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7625203B2 (ja) |
EP (1) | EP1956295A2 (ja) |
JP (1) | JP4791784B2 (ja) |
CN (1) | CN102007344B (ja) |
WO (1) | WO2007099399A2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106091000B (zh) * | 2016-07-29 | 2018-07-17 | 浙江百诚烟具有限公司 | 一种油电混合点火器 |
US10591158B2 (en) | 2017-05-08 | 2020-03-17 | Worthington Torch Llc | Torch having an interlock mechanism |
US11852342B2 (en) * | 2021-01-22 | 2023-12-26 | Pro-Iroda Industries, Inc. | Tool with improved ignition efficiency |
US11933493B2 (en) * | 2021-01-22 | 2024-03-19 | Pro-Iroda Industries, Inc. | Tool with improved ignition efficiency |
CN112944392B (zh) * | 2021-03-29 | 2023-07-28 | 深圳市易美生活科技有限公司 | 一种能够360度旋转的点火器及其使用方法 |
Citations (2)
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JPH0514172B2 (ja) | 1983-10-11 | 1993-02-24 | Ii Zeraa Noeru | |
JPH09133359A (ja) | 1995-11-09 | 1997-05-20 | Tokai Corp | ガス着火器 |
Family Cites Families (22)
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US4536983A (en) * | 1983-08-12 | 1985-08-27 | Fry Daniel J | Reloader for muzzle loaders |
JPH0514172A (ja) | 1991-06-28 | 1993-01-22 | Nec Corp | 入力回路 |
US5199865A (en) * | 1991-08-05 | 1993-04-06 | Liang Chung Ho | Structurre of foldable safety lighter |
US5597299A (en) * | 1993-05-24 | 1997-01-28 | Jon; Jong K. | Ignition safety device of gas lighter |
US5697775A (en) * | 1994-08-18 | 1997-12-16 | Tokai Corporation | Safety device in lighting rods |
US5964036A (en) * | 1997-11-12 | 1999-10-12 | Spyderco, Inc. | Folding knife with secondary locking mechanism |
US6010328A (en) * | 1999-03-26 | 2000-01-04 | Sung; Kil Yong | Double-trigger child-resistant utility lighter |
JP4317308B2 (ja) * | 2000-02-03 | 2009-08-19 | 株式会社東海 | 点火棒 |
CA2298176A1 (en) * | 2000-02-11 | 2001-08-11 | Polycity Enterprise Limited | Barbecue lighter with gas safety system |
US7744368B2 (en) * | 2000-11-03 | 2010-06-29 | Bic Corporation | Multi-mode lighter |
US6488492B2 (en) * | 2000-11-03 | 2002-12-03 | Bic Corporation | Multi-mode lighter |
US6908302B2 (en) * | 2000-11-03 | 2005-06-21 | Bic Corporation | Multi-mode lighter |
US6916171B2 (en) * | 2000-11-03 | 2005-07-12 | Bic Corporation | Multi-mode lighter |
US7311518B2 (en) * | 2000-11-03 | 2007-12-25 | Bic Corporation | Multi-mode lighter |
US6726469B2 (en) * | 2000-11-03 | 2004-04-27 | Bic Corporation | Multi-mode lighter |
US6971870B2 (en) * | 2000-11-03 | 2005-12-06 | Bic Corporation | Multi-mode lighter |
US6957491B2 (en) * | 2001-10-31 | 2005-10-25 | The Stanley Works | Combination utility and sporting knife |
US6732436B2 (en) * | 2002-01-10 | 2004-05-11 | Mentor Group Llc | Folding tool |
US6701621B2 (en) * | 2002-05-08 | 2004-03-09 | Charles L. Kain | Releasable double locking knife |
JP4282441B2 (ja) * | 2003-11-10 | 2009-06-24 | 株式会社東海 | 着火器具 |
US7500850B1 (en) * | 2005-07-29 | 2009-03-10 | Colibri Corporation | Lighter with accessory |
US20070160945A1 (en) * | 2006-01-09 | 2007-07-12 | Huang-Hsi Hsu | Foldable ignition gun |
-
2005
- 2005-09-02 JP JP2005254867A patent/JP4791784B2/ja not_active Expired - Fee Related
-
2006
- 2006-08-31 WO PCT/IB2006/004138 patent/WO2007099399A2/ja active Application Filing
- 2006-08-31 CN CN2006800408851A patent/CN102007344B/zh not_active Expired - Fee Related
- 2006-08-31 EP EP06849484A patent/EP1956295A2/en not_active Withdrawn
- 2006-08-31 US US12/065,144 patent/US7625203B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0514172B2 (ja) | 1983-10-11 | 1993-02-24 | Ii Zeraa Noeru | |
JPH09133359A (ja) | 1995-11-09 | 1997-05-20 | Tokai Corp | ガス着火器 |
Also Published As
Publication number | Publication date |
---|---|
EP1956295A2 (en) | 2008-08-13 |
JP4791784B2 (ja) | 2011-10-12 |
CN102007344B (zh) | 2012-07-04 |
US7625203B2 (en) | 2009-12-01 |
CN102007344A (zh) | 2011-04-06 |
JP2007064604A (ja) | 2007-03-15 |
US20080220385A1 (en) | 2008-09-11 |
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