JP3016774B1 - Gas container mounting structure for gas appliances - Google Patents

Abstract

A gas appliance using a small gas cylinder (gas container) A prevents accidental detachment of the gas container and enhances safety during use. The gas container is provided with a bottom plate portion and a peripheral wall portion, and locking receiving portions, which can be fitted with the locking projections of the gas container with the bottom plate portion at opposing portions of the peripheral wall portion. A fixed portion 1 for locking the projection and a rotatable predetermined angle on the bottom plate portion of the fixed portion, and an edge of the cutout portion collides below a lock receiving portion corresponding to the cutout portion of the gas container. And a rotating part 2 having a stopper claw 24 protruding from the front side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas cylinder mounting structure for a gas stove, a gas lantern, a gas torch, a gas stove, and other gas appliances using a small gas cylinder.

[0002]

2. Description of the Related Art A small gas cylinder (gas container) A used for the various gas appliances described above.
Is located at the center of the distal end of the pressure vessel section a as illustrated in FIG.
It has a needle-type gas discharge port b containing an access opening / closing valve, a locking protrusion c is provided around the container neck around the gas discharge port b, and a notch is formed in a part of the locking protrusion c. d is formed. In particular, the locking projection c includes an inner wall protruding forward in parallel with the gas discharge port, a ring-shaped top surface, and an outer wall receding from the outer periphery of the top surface. It is a cut-out surface.

The gas container A in the gas appliance B
As shown in FIGS. 4 and 5, the mounting structure of (1) is such that a pan-shaped mounting adapter 01 is fixedly mounted at the location of the insertion port C of the gas discharge port b in the instrument B. The shape of the adapter 01 is such that a through hole 02 for an insertion port is provided at the center, a peripheral wall portion 03 facing the outer wall of the locking projection c is provided at the outer edge, and the locking projection c is provided at a position opposed to the peripheral wall portion 03. The locking receiving portions 04 and 05 which can be fitted inward project in the center direction, and at least one of the locking receiving portions 04 has a width corresponding to the notch d. And a lock receiving portion 04 protruding in the center direction.
A stopper 06 is provided at the back surface position of the edge of the mounting edge, and this mounting adapter 01 is fixed using screws 07 or the like so that the insertion port C is centered.

When mounting the gas container A, a part of the locking projection c is inserted into the back side of the locking receiving portion 05, the notch d is aligned with the position of the locking receiving portion 04, and the locking projection c is inserted. When the entirety of the pressure vessel a is twisted with the entirety positioned on the back side of the locking receiving part 04, the locking projections c are fitted to the respective back sides of the locking receiving parts 04 and 05, and the gas container A is It is attached to the device.

[0005] The amount of rotation of the container in the above-mentioned locking is the width of the locking receiving portion 04. That is, the stopper 06 exists at the back surface of one edge of the locking receiving portion 04, and the notch d
The edge of collides with the stopper to prevent the rotation of the container a,
The mounting position of the container a is determined. If there is no stopper, the mounting position becomes unclear and the mounting cannot be confirmed. In addition, the stopper cannot be provided because it interferes with the mounting of the locking projection c except at the relevant position.

Therefore, when the container a is rotated in the reverse direction of the locking receiving portion, the container is detached. Therefore, the small amount of rotation described above increases the possibility of accidental detachment, and in terms of safety. There's a problem.

Accordingly, the present invention proposes a novel gas container mounting structure with an improved stopper mechanism.

[0008]

A gas container mounting structure for a gas appliance according to the present invention includes a bottom plate portion and a peripheral wall portion corresponding to a locking projection of the gas container centering on an insertion port, and is provided at a position opposed to the peripheral wall portion. A fixing portion that can be fitted with the locking projection with the bottom plate portion, and has a locking receiving portion that is provided at least one of which has a width corresponding to the cutout portion and protrudes in the center direction; And a rotatable portion provided with a stopper claw projecting from the front surface side below the notch receiving portion corresponding to the notch portion and colliding with the edge of the notch portion. It is assumed that.

Accordingly, the stopper claw is positioned below the locking receiving portion corresponding to the cutout portion, and is fitted into the other locking receiving portion between the locking projection of the gas container and the bottom plate (rotating portion). When the gas container is turned by aligning the notch with one of the locking receiving portions and bringing the entire locking projection of the gas container into contact with the bottom plate (rotating portion), the stopper claw is formed at the edge of the notch. , The container is rotated to the stop position of the rotating unit, the locking projections of the container are locked by the both locking receiving portions, and the container is mounted on the device.

[0010]

Next, an embodiment of the present invention will be described. The gas container A to which the embodiment is applied is a generally adopted form, has a gas discharge port b of a central needle type at the front end of the pressure vessel part a, and has a locking projection at the container neck around the gas discharge port b. A notch d is formed in a part of the locking protrusion c while the portion c is provided in the periphery. Especially the locking projection c
Has an inner wall, a ring-shaped top surface, and an outer wall receding from the outer periphery of the top surface, and the cutout d is obtained by cutting out a part of the outer wall and the top surface.

The gas appliance B shown in the embodiment is provided with a predetermined combustion mechanism (in the example shown in the figure, a torch), and is provided with an insertion port C which is a mounting position of the gas container A in the appliance.
A mounting surface D is provided around the insertion port C, and a pin hole E is provided in the mounting surface D.

[0012] The mounting structure of the present invention comprises:
The fixed part 1 includes a rotating part 2 and a mounting pin 3.
It is fixed on the mounting surface D by the pin 3 and has a flat, flat pan shape. The bottom plate 11, the through hole 12, the peripheral wall 13, the locking receiving portions 14, 15, and the pin holes 16 is provided. The bottom plate portion 11 has a size corresponding to the outer edge of the locking protrusion c, and has a through hole 12 at the center where the insertion port C protrudes, and a pin hole 16 at a position corresponding to the pin hole E. Become. The peripheral wall portion 13 is sized to fit the outer edge of the locking projection c. The lock receiving portions 14 and 15 are provided at appropriate locations facing the peripheral wall portion 13, and protrude in the center direction so that the locking protrusion c can be fitted to the bottom plate portion 11. Has a width corresponding to the notch d.

The rotating part 2 has a shape corresponding to the bottom plate part 11 of the fixed part 1, a through hole 22 is formed in the center of a circular plate main body 21, and a part corresponding to the pin hole 16 is formed in an arc shape. When the pin mounting described later is performed,
At a position corresponding to the locking receiving portion 14 when the pin 3 is located at one end edge of the elongated hole 23, a stopper claw 24 that stands upright at a position slightly closer to the center than the outer edge is provided. The apparatus main body (mounting surface D), the fixed part 1 and the rotating part 2 are integrated with each other by means such as inserting the pin 3 and caulking over the bottom plate part 11.

Thus, in order to mount the gas container A to the device having the mounting structure, a part of the locking projection c is inserted into the back side of the locking receiving portion 15 and the notch is formed as before. d
Is aligned with the position of the locking receiving portion 14, the entire top surface of the locking projection c is brought into contact with the main body 21 of the rotating portion 1, and the entire pressure container portion a is twisted by hand. The locking projection c is fitted on each of the back surfaces of the holes 14 and 15, and the rotation of the container A is allowed within the allowable range of movement of the pin 3 of the elongated hole 23, that is, the pin 3 is moved from one end of the elongated hole 23. It is moved to the other end.
Therefore, if the long hole 23 is a quarter-circle arc as shown in the above-described embodiment, a 90-degree rotation is performed.

Therefore, in the above-described embodiment, the mounting of the container A is maintained at the position where the gas container A is rotated by 90 degrees from the attachment / detachment position. The rotation angle is large as compared with the mounting structure of the above, and the effect of preventing accidental detachment is remarkably improved. Of course, as shown in the above embodiment, the rotation angle is not limited to 90 degrees, and the rotatable structure of the rotating plate is not limited to the combination of the pin and the long hole. Any structure can be adopted as long as it has the required functions.

[0016]

As described above, the present invention comprises a bottom plate portion and a peripheral wall portion, and a locking receiving portion which is capable of fitting the locking projection of the gas container with the bottom plate portion at a position opposed to the peripheral wall portion. A fixing portion that locks the locking projection of the gas container, and a rotatably provided at a predetermined angle on the bottom plate portion of the fixing portion, and a notch portion below the locking receiving portion corresponding to the notch portion of the gas container. In a gas container mounting structure of a gas appliance composed of a rotating part formed by protruding a stopper claw on the front side with which an edge collides, the locking position of the locking protrusion of the gas container is set at the time of attachment / detachment. This is a position that is fully separated from the device, preventing accidental detachment and improving safety when using gas appliances.

[Brief description of the drawings]

FIG. 1 is an overall explanatory diagram of an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the same.

3A and 3B are explanatory views of the operation of the rotary plate, wherein FIG. 3A shows a position when a gas container is attached and detached, and FIG.

FIG. 4 is an overall explanatory diagram of a conventional example.

FIG. 5 is an explanatory view of a locking portion of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fixed part 11 Bottom plate part 12 Through hole 13 Peripheral wall part 14, 15 Locking receiving part 16 Pin hole 2 Rotating part 21 Main body 22 Through hole 23 Long hole 24 Stopper claw 3 Pin

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F24C 3/14 F17C 13/00 301 F23K 5/00 301 F23K 5/00 307

Claims (1)

(57) [Claims] 1. A needle-shaped gas discharge port is provided at the center of the distal end, a locking projection is provided around the container neck around the gas discharge port, and a cutout is formed in a part of the locking projection. In a gas appliance having an insertion port for connecting a gas discharge port in a gas container, the insertion device is provided with a bottom plate portion and a peripheral wall portion corresponding to a locking projection of the gas container, and A fixing portion having a locking projection that can be fitted with the bottom plate portion and at least one of which has a width corresponding to the cutout portion and has a locking receiving portion protruding in the center direction; and a bottom plate portion of the fixing portion. A rotatable part provided rotatably at a predetermined angle and a stopper claw projecting from the front side of the notch corresponding to the notch below the locking receiving part. Gas container mounting structure of the gas appliance to be used.