JP2009293869A - Lighter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighter composed of a quadrangular prism-shaped external case opened at its upper end side, an internal unit fitted into the external case, and a cover body for opening and closing the external case to which the internal unit is fitted, from a top side, and capable of preventing the internal unit from floating up the external case by its upward movement even when the opening and closing motion of the cover body is repeated. <P>SOLUTION: The external case has a bottom plate at its lower end side. A spring supporting tool mounted on a lower end of a cylindrical ignition stone receiving pipe fixed to an upper inner side of the internal unit at its upper end, and extending toward a downward direction in the internal unit, and supporting a lower section of a stone pressing spring received in the ignition stone receiving pipe and comprising an ignition stone at its upper section, at its upper end side, is charged from the external of the bottom plate toward the inside of the external case through an insertion hole formed on the bottom plate, and mounted on a lower end of the ignition stone receiving pipe in a state that the upward movement is restricted by the bottom plate of the external case. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a lighter.

  Various proposals have been made for oil lighters using liquid fuel (for example, Patent Documents 1 and 2).

  As shown in FIG. 2, such an oil lighter is generally fitted into a rectangular pillar-shaped outer case 4a having an open upper end, and the outer case 4a from the upper side to the lower side of the outer case 4a. It is comprised from the mounted | worn internal unit 2 and the cover body 4b which closes the outer case 4a which accommodates the internal unit 2 from an upper side. The outer case 4a, the inner unit 2, the cover body 4b, etc. are all made of metal such as brass.

  The cover body 4b has a lower end on one side (left side in the example shown in FIG. 2) connected to an upper end on one side (left side in the example shown in FIG. 2) in a rotatable manner as indicated by arrows 9 and 10. The cover body 4b is rotated as indicated by arrows 9 and 10 around the lower end of this one side (left side in the example shown in FIG. 2), so that the outer case 4a in which the inner unit 2 is fitted is mounted. Open and close the upper side of.

  A general structure and form of the internal unit 2 in this conventional lighter will be described with reference to FIGS.

  In the internal unit 2, a batting 30 made of a liquid absorbent fiber material impregnated and held with liquid fuel is accommodated.

  At the upper part of the internal unit 2, a square columnar windbreak chamber 15 having an open upper end is provided. An upper end of the core 20 is provided in the windbreak chamber 15, and the lower end side of the core 20 extends through the upper part of the internal unit 2 toward the inside of the internal unit 2 and is inserted into the batting 30.

  One side of the windbreak chamber 15 (one side of the outer case 4a (the example shown in FIG. 2), the lower end of one side (left side in FIG. 2) of the cover body 4b is pivotally connected to the upper end of the windbreak chamber 15 In FIG. 5 (a), the right side) is open.

  One side of the upper side of the internal unit 2 (one side of the outer case 4a (the left side in FIG. 2) is pivotally connected to the upper end of the outer case 4a (the left side in FIG. 2). In the illustrated example, the ignition vehicle 16 corresponds to the side opposite to the left side), and on the right side in the example illustrated in FIGS.

  At least a part of one side (left side in FIG. 5) of the ignition vehicle 16 is located inside the windbreak chamber 15, and the other side (right side in FIG. 5) is located outside the windbreak chamber 15. ing.

  A cylindrical ignition stone storage pipe 5 is provided inside the internal unit 2 where the ignition vehicle 16 is provided on the upper outer side. The upper end of the cylindrical ignition stone storage pipe 5 is fixedly attached to the upper inner side of the internal unit 2 and extends downward in the internal unit 2.

  A stone pushing spring 8 is housed in the ignition stone housing pipe 5. The stone pushing spring 8 includes the ignition stone 11 at the upper part, and the lower part is supported by the upper end side of the spring support 6 attached to the lower end of the ignition stone storage pipe 5 (FIG. 5C).

  Thus, the ignition stone 11 is urged by the stone pushing spring 8 accommodated in the ignition stone storage pipe 5 as indicated by the arrow 18 from the lower side to the upper side, and is disposed below the ignition vehicle 16. It has become so.

  The ignition stone 11 is always urged upward (in the direction of arrow 18) by the stone pushing spring 8, and the ignition stone 11 contacts the outer peripheral surface of the ignition vehicle 16.

  The attachment of the spring support 6 to the lower end of the ignition stone storage pipe 5 (FIG. 5 (b)) is generally performed by forming a screw groove on the inner peripheral wall of the lower end of the ignition stone storage pipe 5 and A corresponding screw thread 7 is formed, and the spring support 6 is screwed to the lower end of the ignition stone storage pipe 5.

  The other side (the left side in FIGS. 2 and 5 (a)), which is the side facing the side (the right side in FIGS. 2 and 5 (a)) where the ignition vehicle 16 is disposed on the upper outer side of the internal unit 2 2 is rotated in the direction indicated by the arrow 9 in FIG. 2 so that the lower end of one side (left side in FIG. 2) is rotatably connected to the upper end of the outer case 4a. When the ignition wheel 16 is rotated in the direction of the arrow 21, the ignition stone 11 is always in contact with the outer peripheral surface of the ignition vehicle 16, so that the outer peripheral surface of the ignition vehicle 16 rubs against the ignition stone 11 and the windbreak chamber. Sparks fly toward the core 20 in 15 and ignite.

When a predetermined use operation for igniting cigarettes or the like using a lighter ignited on the lead 20 is performed, the cover body 4b is rotated in the direction indicated by the arrow 10 in FIG. 2 to close the upper side of the internal unit 2. The liquid fuel impregnated and held in the filling 30 accommodated in the internal unit 2 is prevented from evaporating through the core 20.
Special table 2003-529040 gazette JP-T-2006-519356

  In the oil lighter having the conventional structure and configuration described above, the cover body 4b is provided for the purpose of giving a feeling of use to the opening / closing operation of rotating the cover body 4b as indicated by arrows 9 and 10 in FIG. In general, the weight is as follows.

  On the other hand, the internal unit 2 is merely fitted in the rectangular columnar outer case 4a whose upper end is open from the upper side to the lower side of the outer case 4a. Therefore, while the opening / closing operation for rotating the cover body 4b as shown by arrows 9 and 10 in FIG. 2 is repeated, the cover body 4b has a predetermined weight, so that the internal unit 2 moves upward (in the direction indicated by the arrow 17). ) And lifts from the outer case 4a.

  In this case, it is necessary to return the internal unit 2 to the original state by manually pushing the internal unit 2 into the external case 4a in the direction opposite to the arrow 17.

  Therefore, the present invention is an oil lighter having the above-described conventional structure and configuration, and the internal unit 2 remains on the upper side even when the opening / closing operation of rotating the cover body 4b as shown by arrows 9 and 10 in FIG. 2 is repeated. An object is to provide a lighter that moves in the direction indicated by the arrow 17 and does not cause a phenomenon of floating from the outer case 4a.

  In order to achieve the above object, the present application proposes the following inventions.

The invention described in claim 1
A quadrangular prism-shaped outer case whose upper end is open;
An internal unit fitted from the upper side to the lower side of the outer case in the outer case;
A fire engine disposed on one side of the upper outside of the internal unit;
A cylindrical ignition stone storage pipe having an upper end fixedly attached to the upper inner side of the internal unit and extending downward in the internal unit;
The ignition stone storage pipe is accommodated in the upper part, and the lower part is supported by the upper end side of a spring support attached to the lower end of the ignition stone storage pipe. A stone pushing spring that urges the firing stone toward the bottom of the firing vehicle,
The lower end of one side is rotatably connected to the upper end of the outer case on the other side, which is the side facing the side where the ignition vehicle is disposed on the upper outer side of the internal unit, and the lower end on the one side is the center. And a cover body that opens and closes the upper side of the outer case in which the inner unit is fitted,
The outer case has a bottom plate on the lower end side,
The spring support is inserted from the outside of the bottom plate to the inside of the outer case through an insertion hole formed in the bottom plate, and moved toward the upper side of the spring support by the bottom plate of the external case. The lighter is attached to the lower end of the ignition stone storage pipe in a state in which is regulated.

The invention according to claim 2
2. The lighter according to claim 1, wherein the spring support is screwed into an insertion hole of the bottom plate, and movement of the spring support toward the upper side of the spring support is restricted.

The invention described in claim 3
The internal unit contains a filling made of liquid absorbent fiber material impregnated and held with liquid fuel, and the bottom plate of the outer case is an openable / closable fuel supply used when supplying the liquid fuel to the filling. The lighter according to claim 1, further comprising an opening for use.

  According to the present invention, the rectangular columnar outer case whose upper end side is open, the internal unit that is fitted in the external case from the upper side to the lower side of the external case, and the internal unit are accommodated. The cover body is composed of a cover body that closes the outer case from the upper side, and the lower end of the cover body is rotatably connected to the corresponding one side of the outer case, and the cover body is centered on the lower end of the one side. By rotating, in the oil lighter that opens and closes the upper side of the outer case in which the internal unit is fitted, the internal unit moves upward even if the opening and closing operation for rotating the cover body is repeated, It is possible to provide a lighter that does not cause a phenomenon of floating from the outer case.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

  Since the structure of the lighter 1 of the present invention is basically the same as that of the conventional one, it is the same as that described in the background art section with reference to FIGS. 2 and 5A to 5C. The description of the parts to be performed is omitted, and the common components are denoted by the same reference numerals and the description thereof is omitted.

  Therefore, only the features of the present invention that are different from the structure of the conventional lighter described in the background art section will be described below with reference to FIGS. 2 and 5A to 5C.

  In the lighter 1 of the present invention, the outer case 4a includes a bottom plate 3 on the lower end side.

  The bottom plate 3 includes an insertion hole 12 and a fuel supply opening 14 (FIG. 3B).

  In the lighter 1 of the present invention, the spring support 6 is inserted from the outside of the bottom plate 3 toward the inside of the outer case 4a through the insertion hole 12 formed in the bottom plate 3 (FIG. 2). The bottom plate 3 of the case 4a is attached to the lower end of the ignition stone storage pipe 5 in a state where movement of the spring support 6 toward the upper direction (directions of arrows 17 and 18) is restricted.

  The spring support 6 is attached to the lower end of the ignition stone storage pipe 5 in the same manner as in the prior art by forming a screw groove on the inner peripheral wall of the lower end of the ignition stone storage pipe 5 and corresponding to the outer periphery of the upper end of the spring support 6. A screw thread 7 is formed, and the spring support 6 can be screwed to the lower end of the ignition stone storage pipe 5.

  By screwing a thread 7 formed on the outer periphery of the upper end of the spring support 6 into a screw groove formed on the inner peripheral wall of the lower end of the ignition stone storage pipe 5, the spring support 6 is attached to the lower end of the ignition stone storage pipe 5. As shown in FIG. 1 with some parts omitted, the upper surface 6a (FIG. 4A) of the spring support 6 is formed on the periphery of the insertion hole 12 of the bottom plate 3 as shown in FIG. In a state of being in contact with the stepped portion 11, the thread support 7 formed on the outer periphery of the upper end of the spring support 6 is screwed into the thread groove formed on the inner peripheral wall of the lower end of the ignition stone storage pipe 5 to be spring support. 6 is attached to the lower end of the ignition stone storage pipe 5, and the upper side surface 6 a of the spring support 6 is in contact with the step 11 formed on the periphery of the insertion hole 12 of the bottom plate 3. Upward direction (arrows 17, 1 Possible to regulate the movement towards the direction).

  Further, a thread groove corresponding to the thread 7 formed on the outer periphery of the upper end of the spring support 6 is formed on the inner peripheral wall of the insertion hole 12, and the thread 7 formed on the outer periphery of the upper end of the spring support 6. The spring support 6 is attached to the lower end of the ignition stone storage pipe 5 by being screwed into a thread groove formed on the inner peripheral wall of the lower end of the ignition stone storage pipe 5 and at the same time formed on the outer periphery of the upper end of the pulling support tool 6. By screwing the screw thread 7 into the screw groove formed on the inner peripheral wall of the insertion hole 12, the movement of the spring support 6 toward the upper side (directions of arrows 17 and 18) can be restricted. .

  Thus, in the lighter 1 of the present invention, the upper end is fixedly attached to the inner upper portion of the internal unit 2 where the ignition vehicle 16 is disposed on the upper outer side, and the inner unit 2 faces downward. The spring support 6 is attached to the lower end of the cylindrical ignition stone storage pipe 5 extending from the outside of the bottom plate 3 through the insertion hole 12 formed in the bottom plate 3 of the outer case 4a. Is inserted inward of the outer case 4a (FIG. 2), and the movement toward the upper direction (arrows 17 and 18) of the spring support 6 is restricted by the bottom plate 3 of the outer case 4a. .

  As a result, the internal unit 2 moves upward (in the direction indicated by the arrow 17) while repeating the opening / closing operation of rotating the cover body 4b as shown by the arrows 9 and 10 in FIG. There is no floating phenomenon.

  The fuel supply opening 14 formed in the bottom plate 3 can be opened and closed by a closing tool 21 (FIG. 4C).

  In the illustrated embodiment, the closure 21 is provided with a screw portion 23 on an upper portion of a circular disc 21a in plan view (FIG. 4C), while the inner peripheral wall of the fuel supply opening 14 is provided on the inner peripheral wall. A screw groove corresponding to the thread of the screw part 23 is formed.

  Therefore, the fuel supply opening 14 can be closed as shown in FIG. 3A by screwing the screw portion 23 of the closure 21 into the fuel supply opening 14. When the liquid fuel impregnated in the batting 30 is reduced, the closure 21 is rotated to remove the screw portion 23 from the fuel supply opening 14 and to open the fuel supply opening 14. Supply.

  The disc 21a of the closure 21 is circular in plan view as shown in FIG. 3 (a), and the size of the diameter is at least from the width (H) of the outer case 4a (FIG. 3 (a)). Larger is desirable.

  The step portion 13 formed on the periphery of the fuel supply opening 14 of the bottom plate 3 has a depth corresponding to the thickness (D) (FIG. 4C) of the disc 21a of the closure 21 and is a notch. 13a.

  As described above, since the diameter of the disc 21a of the closure 21 is at least larger than the width (H) of the case 4a (FIG. 3A), when the closure 21 is attached to the fuel supply opening 14, the closure 21 The outer periphery of the 21 disk 21a appears in the notch 13a.

  Therefore, using this portion, it becomes easy to rotate the disc 21a of the closure 21 in the directions of the arrows 31, 32, and the closure 21 can be easily attached to or removed from the fuel supply opening 14. Can do.

  If a groove is formed on the outer periphery of the disc 21a of the closure 21 as shown in FIG. 3A, it is more advantageous when the disc 21a is rotated in the directions of arrows 31 and 32.

  The step portion 11 formed on the periphery of the insertion hole 12 of the bottom plate 3 also has a depth corresponding to the thickness (d) of the spring support 6 (FIG. 4A). Therefore, the upper surface 6 a (FIG. 4A) of the spring support 6 is brought into contact with the step 11 formed on the periphery of the insertion hole 12 of the bottom plate 3 and is placed on the outer periphery of the upper end of the spring support 6. When the formed screw thread 7 is screwed into a screw groove formed on the inner peripheral wall of the lower end of the ignition stone storage pipe 5 and the spring support 6 is attached to the lower end of the ignition stone storage pipe 5, the spring support 6 A screw thread 7 formed on the outer periphery of the upper end of the igniter is screwed into a screw groove formed on the inner peripheral wall of the lower end of the ignition stone storage pipe 5 so that the spring support 6 is attached to the lower end of the ignition stone storage pipe 5 and at the same time a pulling support is provided. When the screw thread 7 formed on the outer periphery of the upper end of the tool 6 is screwed into the screw groove formed on the inner peripheral wall of the insertion hole 12, the spring support tool 6 as shown in FIG. The lower end surface is flush with the outer peripheral surface of the bottom plate 3 There, is no longer a simple to remove the spring support 6.

  Therefore, a groove 24 is formed on the lower end surface of the spring support 6, and the width (W) of the groove 24 is made equal to the thickness (D) of the disc 21 a of the closure 21, so that the closure 21 Is removed from the fuel supply opening 14, the outer periphery of the disk 21 a is inserted into the groove 24 on the lower end surface of the spring support 6, the spring support 6 is rotated, and is extracted from the lower end of the ignition stone storage pipe 5. Can do.

  The preferred embodiments of the present invention have been described above with reference to the accompanying drawings. However, the present invention is not limited to such embodiments, and various forms are possible within the technical scope grasped from the description of the claims. Can be changed.

The side view explaining the structure of the lighter of this invention which abbreviate | omitted the outer case and the cover body. The side view explaining the state in which the cover body of the lighter of this invention is opened and the inner case upper side is opened. (A) The perspective view explaining the bottom plate part of the outer case in the lighter of this invention, (b) The state of the insertion hole and the fuel supply opening in the bottom plate of the outer case in a state where the spring supporter and the closing tool are removed. The perspective view which abbreviate | omitted one part, (c) The bottom view explaining the state of the insertion hole in the bottom plate of the outer case in the state where the spring support tool and the closing tool were removed, and the opening for fuel supply (A) The side view explaining an example of a spring support, (b) The bottom view of a spring support, (c) The side view of a closure. (A) Side view for explaining the structure of the inner case of a conventional lighter, (b) Side view for omitting a part of the structure for the lower end of the ignition stone storage pipe in the inner case of the conventional lighter, (c) Conventional The side view which abbreviate | omitted one part explaining the structure of the lower end side of the stone pushing spring in the inner case of the lighter.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lighter 2 Internal unit 3 Bottom plate 4a External case 4b Cover body 5 Ignition stone storage pipe 6 Spring support 8 Stone pushing spring 11 Ignition stone 12 Insertion hole 14 Fuel supply opening 15 Windbreak chamber 16 Ignition car 20 Core 21 Closure

Claims (3)

A quadrangular prism-shaped outer case whose upper end is open;
An internal unit fitted from the upper side to the lower side of the outer case in the outer case;
A fire engine disposed on one side of the upper outside of the internal unit;
A cylindrical ignition stone storage pipe having an upper end fixedly attached to the upper inner side of the internal unit and extending downward in the internal unit;
The ignition stone storage pipe is accommodated in the upper part, and the lower part is supported by the upper end side of a spring support attached to the lower end of the ignition stone storage pipe. A stone pushing spring that urges the firing stone toward the bottom of the firing vehicle,
The lower end of one side is rotatably connected to the upper end of the outer case on the other side, which is the side facing the side where the ignition vehicle is disposed on the upper outer side of the internal unit, and the lower end on the one side is the center. And a cover body that opens and closes the upper side of the outer case in which the inner unit is fitted,
The outer case has a bottom plate on the lower end side,
The spring support is inserted from the outside of the bottom plate to the inside of the outer case through an insertion hole formed in the bottom plate, and moved toward the upper side of the spring support by the bottom plate of the external case. A lighter characterized by being attached to the lower end of the ignition stone storage pipe in a state where the pressure is regulated.   2. The lighter according to claim 1, wherein the spring support is screwed into an insertion hole of the bottom plate to restrict movement of the spring support toward the upper side of the spring support. The internal unit contains a filling made of liquid absorbent fiber material impregnated and held with liquid fuel, and the bottom plate of the outer case is an openable / closable fuel supply used when supplying the liquid fuel to the filling. The lighter according to claim 1, further comprising an opening for use.

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