JPH04136401U - Gas cylinder misloading prevention device - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent accidents caused by incorrect loading of gas cylinders, and to prevent damage or deformation of various parts due to incorrect handling. [Structure] A storage chamber 2 is provided in the main body of a gas appliance that uses gas cylinders B, a posture regulating means 3 for regulating the posture of the gas cylinder in a constant manner is provided at the front of the storage chamber 2, and a gas cylinder is installed at the rear of the storage chamber 2. locking end 5 for pushing forward the bottom b of the
a rear guide member 6 integral with the locking end 5;
A front guide member 8 located in front of the front guide member 8 is attached to a frame member 4 provided on the main body so as to be movable back and forth, and the front guide member 8 can be moved forward and backward by a detachable lever 9 operated from outside the main body. A device for preventing erroneous loading of a gas cylinder B, in which the member 8 and the rear guide member 6 are connected by a second spring 11, and a first spring 7 for biasing the rear guide member 6 rearward is provided.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is designed to prevent malfunctions caused by incorrect loading of gas cylinders in gas appliances that use gas cylinders. This invention relates to a device that prevents the occurrence of such accidents.

0002

[Conventional technology]

This type of gas cylinder has an internal siphon tube that blows vaporized gas out of the nozzle. If the nozzle is pushed in without the gas cylinder being set correctly, the liquid will come out. A notch is installed in the flange of the gas cylinder to prevent gas from leaking and causing an accident. so that it can be used in the correct set state by providing a It has become.

0003 However, it is often used without paying attention to the above, or without even being aware of it. Sometimes I try. For example, the mounting mechanism of conventional gas cylinders is There is a model with a structure in which the detachable lever moves back and forth, as shown in No. 2479. In some systems, even if the gas cylinder is not set correctly, if you force it, the set lever will move. This is because it allows However, since the operation was difficult, the cylinder was locked at the rear end. This may cause problems such as parts being deformed and damaged.

0004

[Problem that the idea aims to solve]

This invention was devised in view of the above points, and its problem is that of gas cylinders. to prevent accidents by preventing gas or liquid gas from ejecting unless it is set correctly. This prevents damage to the operating parts or the The purpose is to prevent the instrument from being deformed or damaged.

[0005]

[Means to solve the problem]

The problem is to place the gas cylinder B in the gas cylinder B storage chamber 2 provided in the main body 1. A frame member along the front and rear direction of the gas cylinder B is provided with posture regulating means 3 that locks the gas cylinder B in a fixed posture. 4 is provided on one side of the storage chamber 2 and is movable in the front and back direction, and the gas cylinder B A rear guide member 6 having a locking end 5 that locks on the bottom b of the frame member 4 is provided at the rear of the frame member 4, The first spring 7 urges the rear guide member 6 rearward to move the gas cylinder B in the front-rear direction. Operation of providing a movable front guide member 8 at the front of the frame member 4 and protruding it to the outside of the main body 1 The attachment/detachment lever 9 having an end is rotatably supported, and the front The attachment/detachment lever 9 and the front guide member are connected via a cam 10 that moves the front guide member 8 forward and backward. 8, and the rear guide member 6 and front guide member 8 are connected by a second spring 11. The solution is to do this.

[0006]

【Example】

This will be explained below with reference to the drawings. Figure 1 shows the overall diagram of a gas stove. A storage chamber 2 for a vertically long cylindrical gas cylinder B is provided on one side of the device main body 1 in the front-rear direction. It is. 12 is a governor located at the front end of the storage chamber 2, and is connected to the tip nozzle of the gas cylinder B. It has a connection port into which the cable is inserted.

[0007] The posture regulating means 3 positions the gas cylinder B in such a position that the siphon tube inside it faces upward. It defines the notch 3a formed in the flange at the tip of the gas cylinder. , and an engaging element 3b provided at a fixed position on the side of the governor 12. The notch 3a and the engaging element 3b must be engaged in the correct set state. It is designed so that it does not engage.

[0008] The frame member 4 is arranged to partition the storage chamber 2 and the burner 13 side, and is 1 and has sufficient strength to attach each member described below. Made of molded metal material. The frame material 4 is constructed by assembling each member described later on the longitudinal axis. It has a rear window 14, a middle window 15 and a front window 16 for attachment.

[0009] The rear window 14 is used for attaching the rear guide member 6 and is arranged on the burner 13 side. The rear guide member 6 is movable back and forth integrally with the locking end 5 disposed on the storage chamber 2 side. I attend Noh. The locking end 5 is a member that locks on the bottom b of the gas cylinder B, and is It is provided in an L-shape at the rear end of the internal member 6.

0010 The front window 16 has a long hole shape extending in the front-rear direction, and is attached to the front end of the front guide member 8. A cam pin 10a is passed through to support the front guide member 8. Front guide member 8 and the front of the rear guide member 6 are provided with hook pieces 17 and 18, respectively. These are locked to the central part window 15.

[0011] The first spring 7 connects the rear locking portion 19 of the frame member 4 and the front locking portion 20 of the rear guide member 6. and a second spring 11 is provided between the front guide member 8 and the rear guide member 8. The member 6 is connected with the hooking pieces 17 and 18. Therefore, the front guide member 8 When the rear guide member 6 is pulled toward the front, the rear guide member 6 is pulled forward via the second spring 11. The first spring 7 opposes this.

0012 An attachment/detachment lever 9 is pivotally supported on the front part of the frame member 4 by a horizontal shaft 21, and an operating end at one end thereof A reference numeral 22 projects outside the main body to rotate the attachment/detachment lever 9 up and down. other An arcuate cam hole 10b intersecting with the aforementioned front window 16 is formed at one end. Since the aforementioned cam pin 10a passes through it, pin 1 is moved in response to the lever operation. 0a is moved forward or backward of the arcuate cam hole 10b. Cam pin 10a , the arcuate cam hole 10b and the front window 16 constitute the cam 10. 10c is the hole end It is engaged with the pin 10a in the retaining groove to fix the attachment/detachment lever 9 in the set state.

[0013] In the above configuration, the first and second springs 7, 11 are opposite to the front and rear guide members 8, 6. They are arranged on the side and serve as members for attaching the mating member to the frame member 4. It has also become. 23 and 24 are leg pieces for attaching the frame material 4 to the main body 1, and the strength is It is provided near the necessary front cam and rear locking part.

[0014] In each figure, 25 is a locking part at the front end of the locking end 5, and 26 is after the locking part 25 is locked. A stop in the opening 14 defines the forward limit of the locking end 5. 27 is the appliance stopper 28 indicates an opening/closing cover that covers the storage chamber 2.

[0015] In addition, in relation to the front guide member 8, there is a detachment locking part 29 that protrudes toward the storage chamber 2. is formed. The locking portion 29 pushes the upper shoulder c of the gas cylinder B backward. In the embodiment shown in FIGS. 2 and 3, the upper front portion of the front guide member 8 Gas cylinder B is automatically removed by lever operation.

[0016] The detachment locking part 29 is a pin 10 that attaches the front guide member 8 to the frame member 4 so as to be movable back and forth. It can be provided using a. An example is shown in Figure 4, where the second Since the spring 11 is connected to the front guide member 8 via the pin 10, the front guide member 8 can be made smaller. 5 and 6 show the miniaturized front guide member 8 shown in FIGS. 2 and 3. A release locking portion 29 similar to the above is provided, and the locking portion 29 is used to release the second spring 11. An example in which the hook portion 30 is integrally formed is shown.

[0017] Therefore, when loading a gas cylinder, pull up the attachment/detachment lever 9 and move the locking end 5 backward. position, lay the gas cylinder B there, and engage the posture regulating means 3 at the tip of the cylinder. and connect the valve nozzle N to the governor 12. Then push down the attachment/detachment lever 9. Then, the locking end 5 pushes the bottom b of the cylinder B by the cam 10, and the setting is completed. However, if the lever is operated without the posture regulating means 3 being engaged, the bottom part b will move accordingly. Since it protrudes rearward, the movement stroke of the locking end 5 increases and unreasonable force is exerted. the Therefore, in the past, deformation of the locking end portion 5 could occur, but according to the present invention, the operating force is reduced. Since the second spring 11 is only stretched, it is absorbed by this and deformation etc. Problems are prevented. Of course, liquid gas does not leak out either.

[0018]

[Effect of the idea]

Since the present invention is constructed and operates as described above, gas cylinder B can be Even if you attempt to set the machine when it is not set correctly, do not change the operating or operating parts. without being deformed or damaged, and without emitting gas or liquid gas. Therefore, it is possible to prevent problems from occurring due to incorrect loading.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a gas appliance incorporating a device according to the present invention.

FIG. 2 is a side view showing an embodiment of the device according to the present invention.

FIG. 3 is a plan view of the same as above.

FIG. 4 is a partial plan view showing a modification of the release locking part.

FIG. 5 is a partial plan view showing a modification of the front guide member.

FIG. 6 is a partial side view showing a modification of the front guide member.

[Explanation of symbols]

1 Main body 2 Containment room 3 Posture regulation means 4 Framing material 5 Locking end 6 Rear guide member 7 First spring 8 Front guide member 9 Detachment lever 10 cam 11 Second spring

Claims (3)

[Scope of utility model registration request] Claim 1: A housing chamber 2 for the gas cylinder B provided in the main body 1 is provided with posture regulating means 3 for locking the gas cylinder B in a fixed posture, and a frame member 4 along the front-rear direction of the gas cylinder B is placed in the housing chamber 2. It is installed on one side and can be moved in the front and back direction.
A rear guide member 6 having a locking end 5 that locks on the bottom b of the gas cylinder B is provided at the rear of the frame member 4, and a first spring 7
A detachable lever includes a front guide member 8 which urges the rear guide member 6 rearward and is movable in the front-rear direction of the gas cylinder B at the front of the frame member 4, and has an operating end protruding to the outside of the main body 1. The attachment/detachment lever 9 and the front guide member 8 are linked via a cam 10 which rotatably supports the attachment/detachment lever 9 and moves the front guide member 8 forward and backward by rotational operation of the attachment/detachment lever 9. 6 and a front guide member 8 are connected by a second spring 11. 2. The frame member 4 has a rear window 14 in which a rear guide member 6 is provided at the rear, a front window 16 in which a front guide member 8 is provided in the front, and a detachable lever 9 at the front end. The device for preventing incorrect loading of a gas cylinder according to claim 1, further comprising a shaft support. 3. The cam 10 includes a cam pin 10a that connects the front guide member 8 and the detachable lever 9, a front window 16 through which the cam pin 10a is movably inserted, and a rotational operation of the detachable lever 9 to remove the cam pin 10a. 2. The device for preventing incorrect loading of a gas cylinder according to claim 1, further comprising an arcuate cam hole (10b) for moving the gas cylinder in the longitudinal direction of the front window (16).