JP2010175212A - Igniter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an igniter with improved safety preventing unexpected outburst of gas or an ignition accident by positively carrying out operation of a push button. <P>SOLUTION: In the igniter 21 formed in a tube form with an outer tube 22 comprising a fixed tube 22a and a movable tube 22b, the movable tube 22b is slidable. At least the push button 25 pressing a gas jetting lever 23 to blow out gas from a gas jet nozzle 24, and a piezoelectric unit 26 provided for generating high voltage and igniting the gas are equipped in the outer tube 22. It is composed such that the movable tube 22b is provided while hiding the push button 25, the push button 25 is exposed when the movable tube 22b is slid, and when the movable tube 22b is slid further, an operation arm 33 for operating the piezoelectric unit 26 is pulled down to generate high voltage. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an igniter. More specifically, the push button for gas ejection is concealed when not in use, and the push button is made to appear when in use, thereby reliably operating the push button. The present invention relates to an igniter with improved safety.

  Conventionally, as this kind of igniter, the one shown in FIG. 11 is known. The igniter 1 includes a main body portion 2 and an outer cylinder portion 3 having a predetermined length provided on the upper portion of the main body portion 2. The main body portion 2 includes a piezoelectric unit 5 that is pressed by an operation knob 4, and The piezoelectric unit 5 is provided with a nozzle unit 7 adjacent to the piezoelectric unit 5 via a gas discharge lever 6. Further, a nozzle 8 for gas ejection is provided at the tip of the nozzle unit 7, and a gas cylinder 9 having a predetermined length is connected to the nozzle 8 (see Patent Document 1).

  In the igniter 1 configured as described above, when the operation knob 4 is pressed with a finger, the piezoelectric unit 5 is activated, the gas release lever 6 is activated, and gas is ejected from the nozzle 8. The gas is discharged from the gas discharge nozzle 10 at the tip. At the same time, a discharge spark is generated between the discharge terminal 11 provided at the tip of the outer cylinder 3 and the gas discharge nozzle 10 to ignite the released gas.

JP-A-6-307638

  In the conventional igniter 1, the operation knob 4 is provided in an exposed state on the upper portion of the main body 2, so that when the igniter 1 is placed in a bag or the like, other stored items are not stored. There is a problem in that there is a risk that gas may be ejected or ignited by contacting and pressing the operation knob 4.

  In addition, since both the operation of the piezoelectric unit 5 and the operation of gas ejection are performed together by pushing the operation knob 4 with a finger, the pressing feeling of the operation knob 4 becomes heavy, the finger handicapped person, the elderly, etc. Has the disadvantage of being difficult to operate.

  Therefore, in the conventional igniter 1, the operation knob 4 is reliably operated to prevent inadvertent gas ejection and ignition accidents, thereby improving safety and improving the operability of the operation knob 4. Have problems that must be solved.

  As a specific means for solving the problems of the conventional example, the present invention is an igniter which is formed in a cylindrical shape, and an outer cylinder is composed of a fixed cylinder and a movable cylinder, and the movable cylinder is slidable. And at least a push button that pushes the gas ejection lever to eject gas from the gas ejection nozzle, and a piezoelectric unit that is provided to generate a high voltage to ignite the gas, A push button is provided in a concealed state, and when the movable cylinder is slid, the push button appears, and when the movable cylinder is further slid, the operation arm for operating the piezoelectric unit is pulled down to generate a high voltage. A featured igniter is provided.

  In addition, the locking projection provided on the movable cylinder and the end of the operation arm are locked, the movable cylinder is slid to pull down the operation arm, and the pressing portion of the operation arm is located inside the piezoelectric unit. The box is operated in the pushing direction to generate a high voltage.

  An igniter according to the present invention is an igniter that is formed in a cylindrical shape, and an outer cylinder includes a fixed cylinder and a movable cylinder, and the movable cylinder is slidable, and at least a gas ejection lever is provided in the outer cylinder. And a piezoelectric unit provided to generate a high voltage to ignite the gas, and the movable cylinder provides the push button in a concealed state. When the movable cylinder is slid, the push button appears, and when the movable cylinder is slid further, the operation arm for operating the piezoelectric unit is lowered to generate a high voltage, so that the push button is hidden when not in use. Since the push button is made to appear when in use, inadvertent gas ejection and ignition accidents as in the conventional example can be prevented. In other words, the push button can be operated with certainty, so that an excellent effect of improving safety can be obtained.

  Further, the operation of ejecting gas and the operation of the piezoelectric unit are operated with different structures, and the push button is used only for the operation of ejecting the gas, so that the pressing feeling of the push button becomes lighter than in the conventional example. Therefore, an excellent effect is achieved that the push button can be easily pressed even by a finger-impaired person or an elderly person.

  Since the operation of the piezoelectric unit is performed by gripping the movable cylinder with the palm and sliding it to the rear part, the operability is better as compared with the case of pressing with a finger as in the conventional example. Therefore, an excellent effect is achieved that the movable cylinder can be easily slid even by a finger-impaired person or an elderly person.

  Further, since the operation for ejecting the gas and the operation of the piezoelectric unit are performed at different parts, it is not considered that each operation is erroneously performed together. Therefore, coupled with the fact that the push button is in the concealed state, an inadvertent ignition accident can be prevented and safety is improved.

  In addition, the overall shape of the cylinder is a novel and smart design, and it is a new operation method that has not been seen in the past. There is an excellent effect that an increase in motivation can be expected.

  And the latching protrusion provided in the movable cylinder and the end of the operation arm are latched, the movable cylinder is slid to pull down the operation arm, and the pressing part of the operation arm is the inner box of the piezoelectric unit By operating in the push-in direction and generating a high voltage, when the movable cylinder is slid to the rear, a discharge spark is generated and the released gas is ignited.

It is a front view of the igniter 21 which concerns on this invention. It is a rear view of the igniter 21 which concerns on this invention. It is a front view of the igniter 21 of the state which slid the movable cylinder 22b. It is a rear view of the igniter 21 of the state which slid the movable cylinder 22b. It is a right view of the igniter 21 of the state which slid the movable cylinder 22b. It is a left view of the igniter 21 of the state which slid the movable cylinder 22b. 2 is a perspective view showing an ignition state of an igniter 21. FIG. 2 is a longitudinal sectional view of an igniter 21. FIG. It is a longitudinal cross-sectional view of the igniter 21 of the state which slid the movable cylinder 22b. It is a longitudinal cross-sectional view of the igniter 21 in a state where the movable cylinder 22b is slid and the inner box 26b of the piezoelectric unit 26 is operated in the pushing direction. It is a longitudinal cross-sectional view of the igniter 1 which concerns on a prior art example.

  Next, embodiments of the present invention will be described with reference to the drawings. First, in FIG. 1 to FIG. 10, reference numeral 21 denotes an igniter. The igniter 21 is formed in a cylindrical shape, and an outer cylinder 22 includes a fixed cylinder 22 a and a movable cylinder 22 b. Includes a push button 25 that presses the gas ejection lever 23 to eject gas from the gas ejection nozzle 24, and a piezoelectric unit 26 that is provided to generate a high voltage to ignite the gas.

  The fixed cylinder 22a is provided in a fixed state on the upper side of the outer cylinder 22, and the movable cylinder 22b is provided on the lower side of the outer cylinder 22, and can be slid rearward by a predetermined length. It is configured as follows.

  As shown in FIGS. 1 and 2, the push button 25 is in a state of being hidden by the movable cylinder 22b. Further, when the movable cylinder 22b is slid to the rear, the push button 25 appears in a pressable state as shown in FIGS.

  Further, the push button 25 is formed in a vertically long shape as shown in FIGS. 3 and 7, and a projection formed on the back side (not shown) is attached so as to be able to press the gas ejection lever 23.

  The gas ejection lever 23 has a pair of lever pieces 23a, 23a formed in a substantially U shape when viewed from the side, and the lower portions of the lever pieces 23a, 23a sandwich the neck of the gas ejection nozzle 24. (See FIGS. 8 to 10), the valve is assembled so that it can be opened and closed.

  In the gas ejection lever 23 having such a configuration, when the push button 25 is pressed, the upper portions of the lever pieces 23a and 23a are tilted in the upright direction, and the lower portions of the lever pieces 23a and 23a pull the neck portion of the gas ejection nozzle 24 upward. The valve is opened to start gas ejection.

  8 to 10, reference numeral 27 indicates a valve mechanism provided at the lower portion of the gas ejection nozzle 24, reference numeral 28 indicates a gas tank, and reference numeral 39 indicates a fuel injection mechanism.

  A gas pipe 29 having a predetermined length is connected to the gas ejection nozzle 24, and a discharge nozzle 30 is connected to the tip of the gas pipe 29.

  The piezoelectric unit 26 has an outer box 26a and an inner box 26b that are fitted to each other in a stretchable manner. A piezoelectric element, a hammer, a return spring and the like (not shown) are incorporated in the inner box 26b, and the piezoelectric element is struck with a hammer to generate a high voltage.

  In addition, a conductive wire 31 connected to one electrode 26c of the piezoelectric unit 26 extends upward in the piezoelectric unit 26, and is connected to the discharge terminal 32 disposed at the top at the tip. Yes. Furthermore, a conductive plate (not shown) connected to the other electrode of the piezoelectric unit 26 extends downward, and its tip is connected to the gas ejection nozzle 24.

  Operation arms 33 are provided on the upper and side portions of the piezoelectric unit 26. The operation arm 33 includes a horizontally arranged first arm 33a and a vertically arranged second arm 33b. One end of the first arm 33a is rotatably supported via a support shaft. Yes. And the convex pressing part 35 formed in the center part of the 1st arm 33a is contact | abutting in the state which can be pressed to the upper end of the inner box 26b.

  The other end of the first arm 33a is rotatably connected to the upper end of the second arm 33b via a pin 36. The second arm 33b has a predetermined length and hangs downward.

  A step portion 37 is formed at the lower end portion of the second arm 33b in the operation arm 33, and this step portion 37 is configured to be engageable with a locking projection 38 provided on the inner wall surface of the movable cylinder 22b. ing.

  The above-described igniter 21 positions the movable cylinder 22b in a state where the push button 25 is concealed when not in use (see FIGS. 1, 2, and 8). When in use, the movable cylinder 22b is slid rearward to cause the push button 25 to appear (see FIGS. 3 to 6 and 9). At this time, the engaging projection 38 of the movable cylinder 22b and the stepped portion 37 of the second arm 33b are in an engaged state (see FIG. 9).

  Further, when the movable cylinder 22b is slid to the rear, as shown in FIG. 10, the locking projection 38 pulls down the step 37 to pull down the second arm 33b. At the same time, the other end side of the first arm 33a is pulled down via the pin 36, and the pressing portion 35 of the first arm 33a operates the inner box 26b of the piezoelectric unit 26 in the pushing direction. At this time, the piezoelectric unit 26 generates a high voltage, and a discharge spark is generated between the discharge terminal 32 and the discharge nozzle 30.

  When the movable cylinder 22b is slid rearward, when the push button 25 is pressed, gas ejection starts from the gas ejection nozzle 24, and the gas is released from the discharge nozzle 30 at the tip of the gas conduit 29. The gas is ignited by the discharge spark (see FIG. 7).

  In the igniter 21 configured as described above, the push button 25 is concealed when not in use, and the push button 25 is made to appear when in use, so that an erroneous operation of the push button 25 can be prevented and safety is improved. Further, since the push button 25 is used only for the operation of gas ejection, the feeling of pressing becomes light. Since the movable cylinder 22b is gripped by the palm and slides to the rear, the operability is good. Furthermore, the overall shape of the igniter 21 has a cylindrical shape and is a novel and smart design, and it is a novel operation method not seen in the prior art in which the movable cylinder 22b is slid to the rear to ignite. Therefore, it can be expected that the user's willingness to purchase will increase.

  The igniter 21 of the present invention is a so-called piezoelectric lighter structure using a piezoelectric unit 26 that generates a high voltage by striking a piezoelectric element with a striking mechanism, but is not necessarily limited to the same structure. Of course, a so-called internal combustion lighter structure in which an internal combustion mechanism such as a combustion cylinder is arranged in the main body to ignite and burn gas in the main body may be used.

DESCRIPTION OF SYMBOLS 1 Igniter 2 Main body part 3 Outer cylinder part 4 Operation knob 5 Piezoelectric unit 6 Gas release lever 7 Nozzle unit 8 Nozzle 9 Gas cylinder 10 Gas discharge nozzle 11 Discharge terminal 21 Igniter 22 Outer cylinder 22a Fixed cylinder 22b Movable cylinder 23 Gas Ejection lever 23a lever piece 24 Gas ejection nozzle 25 Push button 26 Piezoelectric unit 26a Outer box 26b Inner box 26c Electrode 27 Valve mechanism 28 Gas tank 29 Gas conduit 30 Discharge nozzle 31 Conductive wire 32 Discharge terminal 33 Operation arm 33a First arm (operation arm)
33b Second arm (operation arm)
34 Support shaft 35 Press part 36 Pin 37 Step part 38 Locking protrusion 39 Fuel injection mechanism

Claims (2)

An outer cylinder is formed of a fixed cylinder and a movable cylinder, and the movable cylinder is a slidable igniter,
The outer cylinder includes at least a push button that presses a gas ejection lever to eject gas from a gas ejection nozzle, and a piezoelectric unit that is provided to generate a high voltage to ignite the gas,
The movable cylinder provides the push button in a concealed state, and when the movable cylinder is slid, the push button appears, and when the movable cylinder is slid further, the operating arm for operating the piezoelectric unit is lowered to generate a high voltage. An igniter characterized by having a configuration. The locking projection provided on the movable cylinder and the end of the operation arm are locked, the movable cylinder is slid to pull down the operation arm, and the pressing portion of the operation arm moves the inner box of the piezoelectric unit. The igniter according to claim 1, wherein the igniter is operated in a pushing direction to generate a high voltage.

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