JP2502004Y2 - Simple gas stove gas cylinder attaching / detaching device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas cylinder attaching / detaching device for a simple gas stove.

[0002]

2. Description of the Related Art A simple gas stove is provided with an attaching / detaching device for attaching / detaching a gas cylinder to / from a connection port of a governor unit.

As a gas cylinder attachment / detachment device for such a simple gas stove, conventionally, as disclosed in, for example, Japanese Utility Model Publication No. 58-10881, a link mechanism is operated by operating a lever to horizontally move the gas cylinder in its longitudinal direction. As shown in Japanese Utility Model Laid-Open No. 2-27314, the engaging plate is moved in a state where the positions of the engaging openings formed in the flange member of the gas cylinder match the positions of the guide protrusions of the engaging plate. There is a type in which the guide projection is engaged with the engagement port by rotating the, and a type in which the gas cylinder is attracted to the connection port of the governor unit by a magnet.

[0004]

However, in the one disclosed in Japanese Utility Model Publication No. 58-10881, the flange member of the gas cylinder is operated when the lever is forcibly operated without the gas cylinder being set accurately. However, there is a risk that the product may be damaged or gas may leak, and the link mechanism is complicated, leading to an increase in cost.

Further, in the one disclosed in Japanese Utility Model Publication No. 2-27314, a gas cylinder having no engaging openings formed at a plurality of positions of the flange member, that is, a gas cylinder not specified by the manufacturer cannot be used, which is very difficult for the user. It was inconvenient for me.

Further, in the case where the gas cylinder is attracted to the connection port of the governor unit by a magnet, when iron powder or other foreign matter adheres to the magnet surface when used outdoors, the magnet is attracted. There was a problem that the force was significantly reduced and the gas cylinder was likely to be incompletely mounted.

In view of the above situation, the present invention is a simple gas container which has a simple structure and can reliably attach / detach the gas cylinder to / from the governor unit, and can use a gas cylinder that is widely sold in general, and is highly versatile. The present invention aims to provide a device for attaching and detaching a gas cylinder.

[0008]

SUMMARY OF THE INVENTION According to the present invention, an annular shallow groove is formed on the outer peripheral surface of the distal end portion of a connection port of a governor unit into which a small diameter portion of a gas cylinder and a cylinder valve are inserted and connected. A cylinder in which a plurality of recesses are formed at a plurality of positions in the circumferential direction, the recesses being deeper than the annular shallow groove by a required amount, and a flange member, which is provided concentrically with the tip small diameter part of the gas cylinder, can be fitted to the outer periphery of the connection port. A body is rotatably fitted, and an annular groove is formed at a position corresponding to the annular shallow groove on the outer peripheral surface of the cylindrical body, and the annular groove is penetrated at a plurality of circumferential positions so as to correspond to the recesses. A hole is bored, and the through hole is fitted with a sphere that does not project from the bottom of the annular groove when it is recessed in the recess and that projects a required amount from the bottom of the annular groove when riding on the annular shallow groove. Approximately equal to the outer diameter of the tubular body in the annular groove A gas cylinder attachment / detachment device for a simple gas stove, characterized in that an annular elastic body having a large outer diameter and fitted in an annular recess formed in the inner peripheral surface of the flange member of the gas cylinder is fitted therein. Is.

Further, instead of using the spherical body and the annular elastic body as separate bodies, an annular recess having an outer diameter substantially equal to the outer diameter of the cylindrical body and recessed in the inner peripheral surface of the flange member of the gas cylinder is provided. A ring-shaped portion that can be freely inserted and removed, and the ring-shaped portion that protrudes toward the center side from the inner peripheral surface of the ring-shaped portion and is fitted into the through hole and that is recessed in the recess and is in a state of riding on the ring-shaped shallow groove. An annular elastic member, which is integrally formed with a convex portion that projects the outer peripheral surface from the cylindrical outer peripheral surface by a required amount, may be fitted in the annular groove.

[0010]

Therefore, according to the present invention, when the gas cylinder is attached to the connection port of the governor unit, the spherical body does not protrude from the bottom of the annular groove, that is, the outer peripheral surface of the annular elastic body is Insert the tip small diameter part of the gas cylinder and the cylinder valve into the connection port, and fit the flange member to the outer circumference of the cylinder, while not protruding from the outer peripheral surface of the cylinder, and then align the cylinder body. When it is rotated, the spherical body that has been recessed in the concave portion rides on the annular shallow groove and protrudes a required amount from the bottom of the annular groove. Along with this, a plurality of circumferential locations of the annular elastic body project from the outer peripheral surface of the cylindrical body. Shape,
The gas cylinder is fitted in the annular recess of the flange member of the gas cylinder, and the gas cylinder is fixed to the connection port of the governor unit.

Here, since the annular concave portion is usually provided in the inner peripheral surface of the flange member of the gas cylinder, it is possible to use a gas cylinder which is widely and generally sold.

Further, instead of using the spherical body and the annular elastic body as separate bodies, an annular recess having an outer diameter substantially equal to the outer diameter of the cylindrical body and recessed in the inner peripheral surface of the flange member of the gas cylinder is provided. A ring-shaped portion that can be freely inserted and removed, and the ring-shaped portion that protrudes toward the center side from the inner peripheral surface of the ring-shaped portion and is fitted into the through hole and that is recessed in the recess and is in a state of riding on the ring-shaped shallow groove. When an annular elastic member integrally formed with a convex portion that projects the outer peripheral surface from the outer peripheral surface of the cylinder by a required amount is fitted into the annular groove, a gas cylinder is attached to the connection port of the governor unit. When the convex portion of the annular elastic member is recessed into the concave portion, that is, the outer peripheral surface of the annular portion of the annular elastic member is substantially aligned without protruding from the outer peripheral surface of the cylindrical body, the tip of the gas cylinder has a small diameter. Part and the cylinder valve are inserted into the connection port In, tighten combined fitting the flange member to the cylindrical body periphery, subsequently, when allowed to rotate the cylindrical body, the convex portion of the annular elastic member which has been immersed in the recess rides in the annular shallow groove,
Along with this, a plurality of circumferential portions of the annular portion of the annular elastic member project from the outer peripheral surface of the cylindrical body, fit into the annular recess of the flange member of the gas cylinder, and the gas cylinder is fixed to the connection port of the governor unit. It

Also in this case, since the annular concave portion is usually provided on the inner peripheral surface of the flange member of the gas cylinder, it is possible to use a gas cylinder which is widely and generally sold.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 5 show an embodiment of the present invention, in which a tip end outer peripheral surface of a connection port 5 of a governor unit 4 into which a tip small diameter portion 2 of a gas cylinder 1 and a cylinder valve 3 are inserted and connected,
An annular shallow groove 6 is formed, and recesses 7 having a depth deeper than the annular shallow groove 6 by a required amount are formed at a plurality of circumferential positions of the annular shallow groove 6 (three locations in the example of the figure). A cylindrical body 9 into which a flange member 8 concentrically provided with the small-diameter portion 2 of the gas cylinder 1 can be fitted is rotatably fitted on the outer periphery of the gas cylinder 1, and the annular shallow groove on the outer peripheral surface of the cylindrical body 9 is fitted. 6, an annular groove 10 is formed at a position corresponding to 6, and through holes 11 are formed at a plurality of circumferential positions of the annular groove 10 (three in the example of the drawing) so as to correspond to the recesses 7. Into the through hole 11, a steel sphere 12 which does not project from the bottom of the annular groove 10 when it is recessed in the recess 7 and which projects a required amount from the bottom of the annular groove 10 when riding on the annular shallow groove 6 is inserted. At least, the annular groove 10 has an outer diameter substantially equal to the outer diameter of the cylindrical body 9 and To fit the Hamada' freely annular elastic member 14 in the annular recess 13 that is recessed in the peripheral surface inside the flange member 8 of Subonbe 1.

An inclined groove portion 15 is provided between the concave portion 7 and the annular shallow groove 6 so as to allow the spherical body 12 to smoothly move up from the concave portion 7 to the annular shallow groove 6 when the cylindrical body 9 is rotated. Has been formed.

A flange portion 1 is provided at the base end portion of the cylindrical body 9.
6, a detachable lever 17 for rotating the tubular body 9 is attached to a required portion of the flange portion 16, and a locking piece 18 pushed and pulled in conjunction with the operation of an ignition knob (not shown) is engaged. A detachable lever 17 is formed by forming a notch 19 that can be
When the tubular body 9 is rotated to the position shown in FIG. 4 by the operation, when the ignition knob is turned in the ignition direction, the locking piece 18 engages with the cutout portion 19 and the tubular body 9 It is locked in position.

The ring-shaped elastic body 14 is a ring-shaped coil spring, but may be a ring-shaped rubber or the like.

In the figure, 20 and 21 are seal members such as O-rings, and 22 is a rod for pushing the cylinder valve 3 in conjunction with the operation of the ignition knob to discharge the gas in the gas cylinder 1.

Next, the operation of the above embodiment will be described.

When the gas cylinder 1 is attached to the connection port 5 of the governor unit 4, the spherical body 12 is recessed in the recess 7 and does not project from the bottom of the annular groove 10, that is, the annular shape, as shown in FIG. With the outer peripheral surface of the elastic body 14 substantially aligned with the outer peripheral surface of the tubular body 9 without protruding, as shown in FIG. 3, the tip small diameter portion 2 of the gas cylinder 1 and the cylinder valve 3 are connected to each other through the connection port 5
The flange member 8 is fitted into the outer periphery of the cylindrical body 9 while being inserted into the inside.

Subsequently, as shown in FIG. 4 from the state shown in FIG. 2, when the attaching / detaching lever 17 is operated to rotate the cylindrical body 9, the spherical body 12 recessed in the concave portion 7 is inclined groove portion 15
Riding on the annular shallow groove 6 through the above, and projecting a required amount from the bottom of the annular groove 10, a plurality of circumferential directions of the annular elastic body 14 are projected from the outer peripheral surface of the tubular body 9 as a result, as shown in FIG. The gas cylinder 1 is fitted in the annular recess 13 of the flange member 8 of the gas cylinder 1, and the gas cylinder 1 is fixed to the connection port 5 of the governor unit 4.

Since an annular recess 13 is usually provided on the inner peripheral surface of the flange member 8 of the gas cylinder 1,
It becomes possible to use the gas cylinder 1 that is widely sold to the general public.

Thereafter, when an ignition knob (not shown) is turned in the ignition direction, the rod 22 moves to the left in FIG. 5, the cylinder valve 3 is pushed into the gas cylinder 1, and the cylinder valve 3 opens to open the gas cylinder. The gas in 1 is regulated by the governor unit 4, sent to a burner (not shown), ignited and burned.

On the other hand, when the ignition knob is turned in the ignition direction to ignite the burner, the locking piece 18 engages with the notch 19 as shown in FIG.
Is locked in that position, the gas cylinder 1 is connected to the connection port 5 of the governor unit 4 during combustion of the gas by the burner.
You don't have to worry about coming off.

The gas cylinder 1 is attached to the governor unit 4
When removing from the connection port 5, the ignition knob is turned in the fire extinguishing direction, the locking piece 18 is disengaged from the cutout portion 19 to release the locked state of the tubular body 9, and then the reverse operation to the above operation is performed. Just go.

Thus, the governor unit 4 has a simple structure.
The gas cylinder 1 can be surely attached to and detached from the gas cylinder 1, and the gas cylinder 1 which is widely and generally sold can be used.

FIGS. 6 to 10 show another embodiment of the present invention. In the drawings, the parts designated by the same reference numerals as those in FIGS. 5 is the same as that shown in FIG. 5, but the feature of this embodiment is that the spherical body 1
2 and the annular elastic body 14 are provided separately, they have an outer diameter substantially equal to the outer diameter of the tubular body 9 and are recessed on the inner peripheral surface of the flange member 8 of the gas cylinder 1, as shown in FIGS. The annular portion 14 ′ that can be inserted into and removed from the annular concave portion 13 and the annular shallow groove 6 that has protruded from the inner peripheral surface of the annular portion 14 ′ into the through hole 11 and is recessed in the annular shallow groove 6 The annular elastic member 23 formed by integrally molding the annular portion 14 ′ and the convex portion 12 ′ that projects the outer peripheral surface of the tubular body 9 from the outer peripheral surface of the tubular body 9 by a required amount only when the state is brought into the annular groove 10 is fitted. There is a point.

In the embodiment shown in FIGS. 6 to 10, when the gas cylinder 1 is attached to the connection port 5 of the governor unit 4, as shown in FIG.
2'is recessed in the recess 7, that is, the annular elastic member 23.
8, the outer peripheral surface of the annular portion 14 'is substantially aligned with the outer peripheral surface of the tubular body 9 without protruding, and the tip small diameter portion 2 of the gas cylinder 1 and the cylinder valve 3 are inserted into the connection port 5 as shown in FIG. At the same time, the flange member 8 is fitted on the outer circumference of the cylindrical body 9.

Then, as shown in FIG. 9 from the state shown in FIG. 7, when the attaching / detaching lever 17 is operated to rotate the cylindrical body 9, the convex portion 12 of the annular elastic member 23 recessed in the concave portion 7 is depressed. 10 'rides on the annular shallow groove 6 via the inclined groove portion 15, and accordingly, a plurality of circumferential portions of the annular portion 14' of the annular elastic member 23 project from the outer peripheral surface of the tubular body 9,
As shown in FIG. 5, the gas cylinder 1 is fitted in the annular recess 13 of the flange member 8 of the gas cylinder 1, and the gas cylinder 1 is fixed to the connection port 5 of the governor unit 4.

Since an annular recess 13 is usually provided on the inner peripheral surface of the flange member 8 of the gas cylinder 1,
It becomes possible to use the gas cylinder 1 that is widely sold to the general public.

Thereafter, when an ignition knob (not shown) is turned in the ignition direction, the rod 22 moves to the left in FIG. 10, the cylinder valve 3 is pushed into the gas cylinder 1, and the cylinder valve 3 opens to open the gas cylinder. The gas in 1 is regulated by the governor unit 4 and sent to a burner (not shown),
Ignite and burn.

On the other hand, when the burner is ignited by rotating the ignition knob in the ignition direction, the locking piece 18 engages with the notch 19 as shown in FIG.
Is locked in that position, the gas cylinder 1 is connected to the connection port 5 of the governor unit 4 during combustion of the gas by the burner.
You don't have to worry about coming off.

The gas cylinder 1 is attached to the governor unit 4
When removing from the connection port 5, the ignition knob is turned in the fire extinguishing direction, the locking piece 18 is disengaged from the cutout portion 19 to release the locked state of the tubular body 9, and then the reverse operation to the above operation is performed. Just go.

Thus, as in the case of the embodiment shown in FIGS. 1 to 5, the gas cylinder 1 for the governor unit 4 has a simple structure.
The gas cylinder 1 which is widely sold can be used.

The gas cylinder attaching / detaching device for the simple gas stove according to the present invention is not limited to the above-mentioned embodiment, and various modifications can be made without departing from the scope of the present invention. is there.

[0037]

As described above, according to the gas cylinder attaching / detaching device of the simple gas stove of the present invention, the gas cylinder can be surely attached / detached to / from the governor unit with a simple structure, and is widely sold to the general public. It is possible to obtain the excellent effect that the existing gas cylinder can be used.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention.

FIG. 2 is a front sectional view showing a non-mounted state of a gas cylinder according to an embodiment of the present invention.

3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a front sectional view showing a mounted state of a gas cylinder according to an embodiment of the present invention.

FIG. 5 is a sectional view taken along line VV of FIG. 4;

FIG. 6 is a front view showing an annular elastic member according to another embodiment of the present invention.

FIG. 7 is a front sectional view showing a non-mounted state of a gas cylinder according to another embodiment of the present invention.

8 is a sectional view taken along line VIII-VIII in FIG.

FIG. 9 is a front sectional view showing a mounted state of a gas cylinder according to another embodiment of the present invention.

10 is a sectional view taken along line XX of FIG.

[Explanation of symbols]

 1 Gas cylinder 2 Tip small diameter part 3 Cylinder valve 4 Governor unit 5 Connection port 6 Annular shallow groove 7 Recessed part 8 Flange member 9 Cylindrical body 10 Annular groove 11 Through hole 12 Sphere 12 'Convex part 13 Annular recessed part 14 Annular elastic body 14' Annular part 23 annular elastic member

Claims (2)

(57) [Scope of utility model registration request] 1. An annular shallow groove is formed on the outer peripheral surface of the distal end portion of a connection opening of a governor unit into which a small-diameter tip portion of a gas cylinder and a cylinder valve are inserted and connected, and annular shallow grooves are formed at a plurality of circumferential positions of the annular shallow groove. A recessed body having a depth deeper than the groove by a required amount is formed, and a cylindrical body to which a flange member concentric with the tip small diameter portion of the gas cylinder can be fitted is rotatably fitted around the connection port. At the same time, an annular groove is formed at a position corresponding to the annular shallow groove on the outer peripheral surface of the cylindrical body, and through holes are formed at a plurality of circumferential positions of the annular groove so as to correspond to the recesses. Into the hole, a spherical body that does not project from the bottom of the annular groove in the state of being recessed in the recess and projects a required amount from the bottom of the annular groove in the state of riding on the annular shallow groove is fitted, and the tubular body is inserted into the annular groove. Has an outer diameter substantially equal to the outer diameter of A gas cylinder attachment / detachment device for a simple gas stove, characterized in that an annular elastic body that can be inserted and removed is fitted in an annular recess formed in the inner peripheral surface of the flange member of the cylinder. 2. An annular shallow groove is formed on the outer peripheral surface of the distal end portion of a connection opening of a governor unit into which a small diameter portion of the gas cylinder and a cylinder valve are inserted and connected, and annular shallow grooves are formed at a plurality of circumferential positions of the annular shallow groove. A recessed body having a depth deeper than the groove by a required amount is formed, and a cylindrical body to which a flange member concentric with the tip small diameter portion of the gas cylinder can be fitted is rotatably fitted around the connection port. At the same time, an annular groove is formed at a position corresponding to the annular shallow groove on the outer peripheral surface of the tubular body, and through holes are formed at a plurality of circumferential positions of the annular groove so as to correspond to the recesses. An annular portion that has an outer diameter substantially equal to the outer diameter of the body and that can be inserted into and removed from an annular recess formed in the inner peripheral surface of the flange member of the gas cylinder; From the state that it is inserted into the hole and is recessed into the recess, ride on the annular shallow groove. A ring-shaped elastic member integrally formed with a protrusion that causes the outer peripheral surface of the annular portion to protrude from the outer peripheral surface of the tubular body by a required amount only when it is in a lifted state is fitted in the annular groove. A simple gas stove attachment / detachment device featuring.