JP3504012B2 - Gas lighter windshield detachment prevention structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a windshield disengagement prevention structure for a gas lighter, which prevents the windshield from coming off when the windshield covering the gas ejection nozzle is attached by a gas lighter.

[0002]

2. Description of the Related Art A gas lighter ignites and combusts fuel gas ejected from an ejection nozzle by an ignition mechanism. In order to prevent the flame from being blown out in the combustion, a gas lighter is installed around the ejection nozzle. A windshield to cover is attached to the top of the lighter body.

As an example of a conventional windshield mounting structure for a lighter body, as shown in FIG. 11, a nozzle 3 for ejecting fuel gas is arranged in the front part above the lighter body 2 (intermediate case). Although not shown, an operating member for ejecting and igniting the fuel is vertically movably arranged in the rear portion, and side wall portions on both sides are extended upward in the middle portion of the upper portion to support the supporting portion. 14 are formed. The support portion 14 has fixed notches 14a defined in the vertical direction, and both ends of the partition plate 7 are fitted and locked in the fixed notches 14a on both sides.

On the other hand, the windshield 8 which covers the upper part of the partition plate 7 and the upper part of the front part of the lighter main body 2 has a flame opening 15 formed on its top surface 8a, and is forcibly formed into an elliptic cylindrical shape by pressing. By doing so, the top surface clearance 17 of the windshield 8
The side surface divided by is prevented from spreading outward.

Further, side hooks 19 are formed on the opposing side surfaces of the windshield 8 so as to cut and raise the plate portions thereof, and side support recesses 23 are formed in the support portion 14 of the lighter body 2.
Is provided, and the side hook portion 19 is locked in the side locking recess 23 to prevent the windshield 8 from coming off in the upward direction.

[0006]

However, in the windshield mounting structure as described above, when the lighter is accidentally slipped from the hand and dropped onto the ground when the lighter is used, the windshield is installed in the sky. When the curved surface part collides hard with the ground, the top clearance of the top of the windshield sometimes expands and the windshield may come off.

In view of this point, an object of the present invention is to provide a windshield disengagement prevention structure for a gas lighter to which a structure for preventing the windshield from spreading in the lateral direction is added.

[0008]

In order to achieve the above object, a windshield disengagement prevention structure for a gas lighter according to the present invention has a nozzle for ejecting a fuel gas on the upper part of a lighter body, and a gas ejected from the nozzle. Regarding an operation member for performing ignition, a partition plate arranged between the nozzle and the operation mechanism, and attaching a windshield covering the periphery of the nozzle of the lighter body and an upper portion of the partition plate, the windshield has A locking part is provided by projecting a part of the top surface to the inner surface side, and the locking part has locking sides parallel to both side surfaces of the windshield, and the locking part is inserted into the partition plate. A stop concave portion is provided, and the locking concave portion is provided with an abutting portion parallel to a side surface of the windshield that abuts and locks an outer side surface of the locking side.

Another windshield disengagement prevention structure for a gas lighter is provided with a nozzle for ejecting fuel gas and an operating member for ejecting and igniting gas from the nozzle on the upper portion of the lighter body. For attaching a windshield that partially covers the periphery of the nozzle and the upper part of the operation member, the windshield is provided with a locking portion that is projected by a notch formed on the operation member side, and the locking portion is formed on both side surfaces of the windshield. The operating member is provided with a locking concave portion into which the locking portion is inserted, the locking concave portion having a parallel locking side, and the locking concave portion is a side surface of the windshield for abutting and locking the outer side surface of the locking side. It is characterized by having parallel contact portions.

[0010]

According to the windshield disengagement prevention structure of the gas lighter of the present invention, the locking portion is provided on the top surface of the windshield, and the locking recess for engaging with the locking portion is provided on the partition plate or the operating member. It is provided that the engagement between the two prevents the deformation of the locking member of the windshield from opening to the outside, and the attachment state of the windshield is well regulated. Since it is not locked in the direction parallel to the side surface of the windshield, dimensional control in this direction is reduced, and the windshield can be easily attached to the lighter body.
It is also advantageous in terms of cost.

[0011]

Embodiments of the present invention will now be described in detail with reference to the drawings.

<Embodiment 1> FIGS. 1 to 3 show a windshield disengagement prevention structure of a discharge ignition type gas lighter of this embodiment.

The gas lighter 1 comprises a lighter body 2 having a tank portion for storing fuel gas, a fuel supply means 4 having a nozzle 3 for ejecting fuel gas, and an ignition unit 5.
(Ignition means) and the operation member 6 (operation cap) that operates the fuel supply means 4 to ignite, the partition plate 7 arranged between the nozzle 3 and the operation member 6, and the lighter body 2. It consists of a windshield 8 attached to the upper part.

The lighter body 2 is a tank body 2a which is made of synthetic resin and which stores fuel gas such as butane gas therein.
And an intermediate case 2b fitted on top of it. The tank body 2a of the lighter body 2 is provided with a fuel supply means 4 by a known valve mechanism for controlling the ejection amount of the stored fuel gas, and the nozzle 3 provided in the fuel supply means 4 is provided in the tank body. It projects upward from 2a. A slit defined at one end of an L-shaped actuating lever 10 is inserted into the nozzle 3. The actuating lever 10 is pivotally supported at the upper part of the lighter main body 2 so as to be swingable by a fulcrum of a bent portion, and the other end thereof is arranged so as to extend obliquely downward. The fuel gas is ejected when the nozzle 3 moves upward. Further, a flame length adjusting ring 11 for adjusting the amount of gas ejected from the nozzle 3 is installed.

On the other hand, above the lighter main body 2 (intermediate case 2b) on the side opposite to the nozzle 3, the operation member 6 is arranged side by side with the windshield 8. The ignition unit 5 is fitted in the tubular bottom portion of the operating member 6, and the upper end of the ignition unit 5 and the inner head portion of the operating member 6 are in contact with each other so that the pushing operation is possible. The discharge electrode 12 connected to the ignition unit 5 is disposed above the operating member 6, and the high voltage generated by the operation of the ignition unit 5 causes the discharge electrode 12 and the nozzle 3 to operate.
And are applied to generate an electric discharge for ignition.

Further, the upper half of the ignition unit 5 moves downward with the pressing operation of the operating member 6, and the other part of the operating lever 10 of the fuel supply means 4 is attached to the moving portion of the ignition unit 5. A lever pusher 13 is provided which can abut the end. As a result, the lever push 13 rotates the operating lever 10 in accordance with the pushing down operation of the operating member 6, and the nozzle 3
The fuel gas is ejected from the fuel cell, and the ignition unit 5 is operated by further pushing the fuel gas to perform discharge ignition.

Next, the structure for preventing the windshield 8 from coming off will be described.
The windshield 8 is composed of a semi-elliptical top surface 8a, a curved front surface 8b that is connected to a front curved portion of the top surface 8a and extends downward, and a side surface 8c that is connected to both side straight portions and extends downward. The rear portion on the operation member 6 side is open. The top surface 8a is provided with a flame opening 15 located above the nozzle 3 at the time of mounting, and an arcuate curved cutout 16 is provided in the front thereof, and the curved cutout 16 is directed toward the rear open portion. A top surface gap 17 is formed by combining them. Due to this top surface gap 17, the portions of the side surfaces 8c on both sides can be elastically deformed so as to open outward.

On the top surface 8a, a pair of locking portions 18 projecting inward are provided at positions corresponding to the partition plate 7. As shown in FIG. 3 (C), this locking portion 18 is a top surface.
8a is cut in a U shape toward the side surface 8c side, the section is bent and deformed downward to form a step, and is parallel to the top surface 8a, and is parallel to the outer side surface 8c. The extending edge is formed on the locking side 18a.

Further, in the windshield 8, on the lower side of the side surface 8c,
Similar to the locking portion 18, there is provided a side hook portion 19 formed so as to project inward. The side hook portion 19 is provided on a locking side 19a whose upper end extends in the front-rear direction. In addition, air holes 21 are formed in the front surface 8b and the side surface 8c.

On the other hand, the partition plate 7 is a side surface 8c of the windshield 8.
The length corresponding to the width is provided, and both side portions are inserted and fixed in the fixed notches 14a of the support portion 14 formed in the lighter body 2. A slit extending vertically in the center of the upper surface
7a is formed, and the discharge electrode 12 that moves up and down integrally with the operating member 6 is inserted into the slit 7a. A locking recess 22 into which the locking portion 18 of the windshield 8 is inserted is formed at the upper end. In the locking recess 22, the locking side 18a of the locking portion 18 is provided.
Is provided with a stepped contact portion 22a for restricting the lateral movement of the locking portion 18 and the contact portion 22a is provided on the side surface 8c of the windshield 8.
It is installed in parallel with.

Further, below the supporting portion 14 on the outer surface of the lighter body 2, there is provided a side engaging recess 23 (not shown) for engaging the side hook portion 19 of the windshield 8,
The side locking recess 23 is provided such that the upper end thereof can be locked with the locking side 19a at the upper end of the side hook portion 19 of the windshield 8, and in the engaged state of the side locking recess 23, the upper side and the front-back direction of the windshield 8 are engaged. Regulate the movement of.

To explain the operation of this example, the lighter body 2
The windshield 8 is attached to the lighter main body 2 in which the fuel supply means 4 having the nozzle 3 and the operation member 6 linked to the ignition unit 5 are incorporated into the lighter main body 2 and the partition plate 7 is fixed. Is mounted above the nozzle 3 at the front part of the operation member 6, and FIG. 2 shows the windshield 8 and the partition plate 7 during the mounting. When the windshield 8 is pushed down, the lower slope of the side hook portion 19 is deformed so that the side hook portion 19 and the side surface 8c open outward when the side hook portion 19 gets over the support portion 14, and the windshield 8 is deformed. When it is mounted as shown in FIG. 5, the locking portion 18 of the top surface 8a contacts the locking recess 22 of the partition plate 7, and the locking side 18a and the contact portion 22 contact or face each other.

The locking portion 18 of the top surface 8a engages with the locking recess 22 at the upper end of the partition plate 7, and therefore the contact portion 22a of the locking recess 22 locks the locking side 18a from the outside and regulates it. By doing so, the side surface of the windshield 8 is prevented from being deformed so as to spread, while the locking on the top surface 8a extends in the front-rear direction parallel to the side surface, so that the position other than the lateral direction is Since there is no engagement, the dimensional control is easy, the productivity and the assemblability are excellent, and it is advantageous in terms of cost.

<Embodiment 2> This embodiment is shown in FIGS. 4 and 5, and the shape of the engaging portion formed on the top surface 8a of the windshield 8 is different from that of the previous example, but the same constituent elements are the same. Reference numerals are attached and detailed description is omitted.

That is, the windshield 8 provided in the same manner as described above.
On the top surface 8a of the above, a locking portion 30 that is formed to project inward is provided at a position corresponding to the partition plate 7. This locking part 30
Is formed with a cutout piece that is cut from the top surface 8a and bent downward to project, and the locking side 30a of the outer side surface at the lower end thereof is formed.
Is formed to extend in the front-rear direction in parallel with the side surface 8c of the windshield 8.

On the other hand, the partition plate 7 is formed with a locking recess 31 into which the locking part 30 of the windshield 8 is inserted from the upper end. The locking concave portion 31 is a groove slightly larger than the thickness of the locking portion 30 which is the wall thickness of the windshield 8, and the contact portion formed outside the groove.
31a is provided parallel to the side surface 8c of the windshield 8.

In this embodiment, since the locking portion 30 fitted in the groove of the locking recess 31 formed in the partition plate 7 is simply bent, the detachment prevention structure of the windshield 8 can be easily obtained. .

<Embodiment 3> This embodiment is shown in FIGS. 6 and 7, and the shape of the engaging portion formed on the top surface 8a of the windshield 8 is the same as that of the second embodiment, but the forming position is different. Therefore, the same components are designated by the same reference numerals, and detailed description thereof will be omitted.

That is, on both sides of the top surface gap 17 of the top surface 8a of the windshield 8, there are provided locking portions 35 projecting downward at positions corresponding to the partition plate 7. This locking portion 35 is
The top surface gap 17 is connected to the top surface 8a, the tip is bent downward and formed downward, and the locking side 35a of the outer side surface of the lower end thereof extends in the front-back direction in parallel with the side surface. Has been done.

On the other hand, the partition plate 7 has a central slit 7a.
Locking recesses 36 into which the locking portions 35 of the windshield 8 are inserted are respectively formed on the inner surfaces facing each other. The locking recess 36 is formed by the stepped side surface of the slit 7a, and the locking side of the locking portion 35 is formed.
An abutting portion 36a that is locked from the outside is provided on the 35a, and the abutting portion 36a is provided parallel to the side surface 8c of the windshield 8.

<Embodiment 4> This embodiment is an example of a windshield disengagement prevention structure shown in FIGS. 8 to 10 in which the locking portion of the windshield is locked in the locking recess of the operating member.

On the top surface 8a of the rear end portion of the windshield 8 facing the operation member 6, a locking portion 40 having a predetermined width is provided along the top surface gap 17. By forming a rectangular cutout 41 in the rear end portion of the top surface 8a of the locking portion 40, the cutout 41 and the top surface gap 17 are formed.
The top surface 8a remaining between and is used as the locking portion 40. Therefore, the side of the locking portion 40 formed by the notch 41 becomes the locking side 40a.

On the other hand, at the front end of the operating member 6, a projection 42 continuous with the upper surface of the operating member 6 extends forward and is connected to it.
A locking recess 42a is provided in the center of the upper surface of the projection 42, and the locking part 40 can be inserted into the locking recess 42a. The locking projections 42b on both sides of the locking recess 42a can lock with the notch 41.

Other lighter bodies 2 and the like are the same as those in the first embodiment.
The same structure is denoted by the same reference numeral, and detailed description thereof will be omitted.

In the case of the present embodiment, when the windshield 8 is mounted on the lighter main body 2 in which the operating member 6 is incorporated from above, the locking portion 40 of the top surface 8a of the windshield 8 is locked by the locking recess 42 of the operating member 6.
Inserted and locked in a, the lateral expansion of the windshield 8 is blocked by the locking of both.

In this example, when the operating member 6 is pushed down for ignition operation, the locking state of the locking portion 40 of the windshield 8 and the locking recess 42a of the operating member 6 is released.
The operation member 6 is pressed down for a short time, and no functional problem occurs.

The locking portion formed on the windshield may have a structure projecting downward from the top surface of the windshield as in the first embodiment.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a main part of a gas lighter having a windshield disengagement prevention structure according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which the windshield and the partition plate are being attached in the example of FIG.

FIG. 3 is a plan view, a central longitudinal sectional view and a lateral sectional view of the windshield and the partition plate in the example of FIG.

FIG. 4 is a perspective view showing a state in which a windshield and a partition plate are being mounted according to a second embodiment.

FIG. 5 is a plan view, a central longitudinal sectional view and a lateral sectional view of the windshield and the partition plate in the example of FIG.

FIG. 6 is a perspective view showing a state in which a windshield and a partition plate are being mounted, showing a third embodiment.

7 is a plan view, a central longitudinal sectional view and a lateral sectional view of the windshield and the partition plate in the example of FIG.

FIG. 8 is a cross-sectional view of a main part of a gas lighter having a windshield disengagement prevention structure according to a fourth embodiment.

9 is a plan view of the gas lighter of FIG.

10 is a perspective view of a windshield and an operating member in the example of FIG.

FIG. 11 is a perspective view of an essential part showing an example of a windshield removal prevention structure in a conventional gas lighter.

[Explanation of symbols]

1 gas lighter 2 lighter body 3 nozzles 4 Fuel supply means 5 Ignition unit 6 Operation member 7 partition boards 7a slit 8 windshield 8a Top surface 8c side 14 Support 17 Top clearance 18,30,35,40 Locking part 18a, 30a, 35a, 40a Locking side 19 Side hook part 22,31,36,42a Locking recess 22a, 31a, 36a Abutment part 23 Side locking recess 41 notch 42 Projection

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) F23Q 2/28 F23Q 2/34

Claims (3)

(57) [Claims] 1. A nozzle for ejecting fuel gas, an operating member for ejecting and igniting gas from the nozzle, and a partition plate arranged between the nozzle and the operating mechanism on the upper portion of the lighter body. In a gas lighter equipped with a windshield that covers the periphery of the nozzle of the lighter body and an upper portion of the partition plate, the windshield is provided with a locking portion in which a part of the top surface of the windshield is projected to the inner surface side. The locking portion has locking sides parallel to both side surfaces of the windshield, the partition plate is provided with a locking recess into which the locking part is inserted, and the locking recess is located outside the locking side. A windshield disengagement prevention structure for a gas lighter, comprising a contact portion parallel to the side surface of the windshield that abuts and locks the side surface. 2. A lighter main body is provided with a nozzle for ejecting fuel gas and an operating member for ejecting gas from the nozzle and for igniting the gas, and one of the periphery of the nozzle of the lighter main body and an upper portion of the operating member. In a gas lighter to which a windshield covering a portion is attached, the windshield is provided with a locking portion protruding by a notch formed on the operation member side, and the locking portion has a locking side parallel to both side surfaces of the windshield. The operating member is provided with a locking recess into which the locking portion is inserted, and the locking recess is in contact with the outer surface of the locking side and is in contact with the side surface of the windshield parallel to the side surface of the windshield. The structure for preventing the windshield from coming off of the gas lighter, which is equipped with. 3. The windshield disengagement prevention structure for a gas lighter according to claim 1, wherein the locking portion is formed by bending downward from the top surface.