KR20000011865U - Automotive shut-off device for gas supply check valve - Google Patents

Abstract

The present invention attaches a timer device to a manual check valve of LPG or propane gas supplied to a general household, so that the check valve is automatically closed when a predetermined time elapses after the supply of gas such as food or cooking is performed. As a highly improved stability of

Conventional gas supply device is attached to the ball valve type check valve that can be opened and closed manually to the main gas supply line, that is, the main gas supply pipe is opened immediately before using a gas appliance such as a stove, and then the gas is used. After the use of the gas, the valve handle of the gas appliance is closed and the main valve is rotated again by hand to achieve final safety. The present invention, unlike such a configuration, is designed on the side of a conventional check valve (2). The timer 3 and the drive lever 10 operated by the drive handle 9 are arranged with a pin shaft 8, and a spring 5 is attached to the drive handle 4 of the check valve 2 to drive the drive handle 4. It is possible to switch to this closed position and the drive lever 10 is one finger on the spring 12 so that the locking jaw (10a) is in contact with the drive handle (4) of the check valve (2) check valve ( 2) the automatic closing operation A base to a rock.

Description

Automotive shut-off device for gas supply check valve

The present invention attaches a timer device to a manual check valve of LPG or propane gas supplied to a general household, so that the check valve is automatically closed when a predetermined time elapses after the supply of gas such as food or cooking is performed. It is highly improved the stability.

Conventional gas supply device is equipped with a ball valve type check valve that can be opened and closed manually in the final gas use place, that is, the main gas supply pipe, and then open it just before using a gas appliance such as a stove, and then use the gas. After use, the valve handles of these gas appliances were closed and the main valve was turned by hand again for final safety.

However, such a conventional manual retractable main valve is always followed by carelessness of the user, and in some cases, even though the use of gas appliances is finished, the main valve is left open to cause safety accidents such as various fires. In particular, in case of a fire accident in a general household, the main cause is the inadvertent operation of the main valve.

The present invention connects and connects the operation lever operated by a separate timer to the handle side of the main valve so that the gas can be supplied with a predetermined cooking time when the gas appliance is used. Even if a case of forgetting the closing of the main valve occurs, the above problems are solved by allowing the main valve to operate automatically when the reservation time set in the timer arrives.

The main check valve of the gas appliance has a structure in which gas is closed and shut off by turning the handle at an angle of 90 degrees.

The invention devises a drive lever of a lever object connected to a tape type timer (which has the same structure as a fan timer) on one side of the drive handle of the check valve so that the gas is supplied by turning the drive handle of the check valve to 90 ° when using the gas appliance. After a period of time, a predetermined time is set in the timer so that the gas is supplied only for a predetermined time, and when the set time has elapsed, the driving lever can switch the driving handle of the check valve to a 90 ° angle, that is, a closed state.

In order to achieve this problem, an automatic return spring should be installed on the drive handle of the check valve and an interlock system capable of mutually sliding on the lever lever drive connected to the timer should be provided.

The present invention solves the above problems as an extremely simple configuration device without resorting to a complicated mechanism.

1 is a perspective view showing an embodiment of the present invention

2 is a front view of the present invention

3 is an operating state of FIG.

☞ Explanation of symbols used in the main part of the drawing ☜

1: fixed panel

2: Check valve 2a: Base plate

3: timer

4: driving handle 4a: driving portion 4b: sliding portion

5: spring

6,7: Gas supply hose 8: pin shaft

9: drive handle 9a: drive unit

10: driving lever 10a: locking jaw

11: Stopper 12: spring

1 is a perspective view showing an embodiment of the present invention, Figure 2 is a front view of the present invention, Figure 3 is a view showing the operating state of Figure 2 respectively.

According to the present invention, a check valve 2 of a normal ball valve type connected to a gas supply hose 6 and 7 vertically is fixed to one side of the fixed panel 1 by a base plate 2a. It is formed long so that the spring or coil spring 5 is elastically installed on its spindle so that the driving part 4a stays in the horizontal state, i.e., the closed state (A direction) of the valve.

On the side of the check valve 2, the drive lever 10 is arranged on the pin shaft 8 as a lever, so that the spring 12 is unilaterally supported by the stopper 11, and the stopper 11 allows the movement angle to be limited to a certain angle.

On the side of the drive lever 10, a spring-type timer 3 is installed to form the drive handle 9 of the timer 3 so that one side drive unit 9a is slightly longer, so that the drive unit 9a slides below the drive lever 10, thereby driving the drive handle of the check valve 2. 4 and the locking step 10a of the driving lever 10 are configured to slide each other.

Of the above configuration, the manual winding timer 3 can be used in the present invention as a lower cost if the same configuration as that of the manual operation manual winding timer built in the electric fan spread in a general household is dedicated.

Referring to the effect of the present invention made as described above are as follows.

The gas valve shutoff device of the present invention is set by attaching a safety device that is shut off by a timer device to a check valve fixed to a wall near a gas stove of a general household, and replacing it with an existing check valve or a new building. To be used as the main gas valve.

The driving handle 4 of the check valve 2 has a structure in which the gas supply is cut off when it is turned perpendicular to the gas supply hoses 6 and 7, i.

The driving handle 4 of the check valve 2 is limited to the direction in which the valve is closed by the spring 5 (A direction). When the latching jaw 10a of the driving lever 10 is normally released, the driving handle is driven by the spring 5. 4 is rotated in the A direction to cut off the gas supply.

When using gas appliances such as cooking, turn the drive handle 4 in the B direction to keep the check valve 2 open, and gas supply starts. At this time, the drive lever 10 is supported by the spring 12 and the locking step 10a around the pin shaft 8 In the rising state, the sliding portion 4b of the driving handle 4 is caught by the locking jaw 10a of the driving lever 10 so that the open state of the check valve 2 is continuously maintained so that the cooking appliance can be operated.

At this time, turn the drive handle 9 of timer 3 in one direction, that is, in the direction of Fig. 2, and set enough cooking time such as 30 minutes and 1 hour, so that the end of the drive handle 9 until the reservation time arrives. Since the side has no influence on the drive lever 10, a normal gas supply is achieved.

When the set time arrives, the driving handle 9 rotates in the D direction and lifts up the outer end of the driving lever 10 as shown in FIG. 3, so that the opposite engaging jaw 10a is lowered from the driving handle 4 around the pin shaft 8 to lower the elasticity of the spring 5. The gas supply is automatically cut off because the drive handle 4 of the check valve 2 is switched from the B position, the open position, to the A position, or the closed position.

Therefore, even if a case of forgetting the rotation operation of the drive handle 4 which closes the check valve 2 inadvertently after cooking using the cooking utensils, it is switched to the closed position by itself to ensure safety.

If you want to shut off the check valve 2 continuously without the need for timer 3 operation, just switch the drive handle 9 to the continuous position D position like a timer for an electric fan, and the drive handle 4 will open continuously as shown in FIG. Gas can be supplied for a long time regardless of reservation time.

As described above, the present invention is provided with a timer device on the existing gas supply check valve as a mutual decoupling device of the driving lever 10 and the driving handle 4 to arbitrarily adjust the gas supply time, and automatically shuts off the check valve 2 after the set time has elapsed. Therefore, it is effective to improve the efficiency of gas safety devices such as prevention of various fire accidents caused by gas leakage accidents.

Claims (1)

On the side of the normal check valve 2, a timer 3 and a drive lever 10 operated by the drive handle 9 are arranged with a pin shaft 8, and a spring 5 is attached to the drive handle 4 of the check valve 2 so that the drive handle 4 can be switched to the closed position. The driving lever 10 is a single stop on the spring 12 so that the locking jaw 10a of the check valve 2 is in contact with the drive handle 4 of the check valve 2 so that the automatic closing operation of the check valve 2 is carried out.