JPS5913554Y2 - Bathtub hot water backflow heat radiation prevention device - Google Patents

Description

[Detailed description of the invention] This invention relates to a device that prevents backflow heat radiation of once boiled bath water in external pot type gas baths. , A heat radiation prevention device for preventing the so-called backflow heat radiation cycle, in which heat flows backwards from two flow paths communicating between the bathtub and the gas stove to the gas stove, is cooled in the gas stove, and then returns to the bathtub. It is related to.

As is well known, a gas bath consists of a bathtub 1 and a gas burner mechanism 2.
These parts are connected to each other by two channels 5 and 6 through a wall surface 4, and by operating a gas cock lever 7 provided on the bathroom side to turn on the extinguishing point. The water in the bathtub enters the gas cooker 3 through the lower flow path 6 of the two flow paths, and enters the radiator section 8.
It operates as a heat engine that heats and raises the temperature in the bathtub and discharges it into the bathtub via the upper flow path 5.

One problem with this type of gas bath system is the backflow heat dissipation circulation of hot water that occurs when the heat engine is not in operation, including gas extinguishing.

The purpose of this invention is to provide a heat radiation prevention device that prevents the above-mentioned backflow heat radiation circulation of hot water.

This invention is distantly related to the above-mentioned purpose, and specifically, in connection with the operation of the ignition gas cock lever provided on the bathtub side, the invention aims to open the bathtub side openings of the two flow paths that communicate between the bathtub and the gas pot. A device for opening and closing operation, which operates according to the operation of the ignition gas cock lever, and is pushed integrally to take the second position when the gas cock lever is ignited, and is moved to the second position when the fire extinguishing operation is performed. an actuation bar that returns to the first position after being held for a certain period of time; a holding mechanism that holds the actuation lever in the second position for a certain period of time during extinguishing operation of the gas cock lever; Back flow heat dissipation of the bathtub groove in which the two flow passage openings on the bathtub side are closed when the bathtub is in the second position, and the position where the passage opening on the bathtub side is closed when the second position is taken is separated from the muddy passage opening opening/closing lid assembly. It is a prevention device.

Hereinafter, the device for preventing backflow heat radiation in a bathtub groove according to this invention will be described in detail based on a specific embodiment shown in the drawings.

The bathtub groove backflow heat radiation prevention device according to this invention includes a passage opening opening/closing lid assembly 10 that directly opens and closes the passage openings 5a, 5a on the bathtub side, and two lid members of this assembly 10 that operate. Therefore, it consists of an operating mechanism 11 formed in association with the gas cock lever 7 for turning on the vanishing point.

The channel opening/closing lid assembly 10 includes two lid members 12.
It is equipped with 13.

The two lid members 12 and 13 are located at both ends 14 of the substrate 14.
a, 14b via hinge members 15, 16.

In the channel opening opening/closing lid assembly 10, each of the lid members 12, 13 is connected to each channel opening 5a, 5 via the substrate 14.
It is attached to the inner wall surface 4a of the bathtub in a manner that corresponds to b.

A pivot shaft 17 is provided in the intermediate portion of the substrate 14, and an arm member 18 is rotatably attached to the shaft 17.

One of the lid members 12 is connected to a first connection point 20 of the arm member 18 via a connection bar 19.

The other lid member 13 is connected to a second connection point 22 of the arm member 18 via a connection bar 21 .

By connecting the arm member 18 and the lid member 12 and the arm member 18 and the lid member 13 by the connecting bars 19 and 21, when the arm member 18 is rotated clockwise from the state shown in FIG. The lid members 12, 13 can each be pivoted about the axis of the hinge 15, 16 in the direction of the arrow shown in FIG.

From the pivot point 23 of the arm member 18 to the first connection point 20
and the distance from the pivot point 23 to the second connection point 22
When the arm member 18 rotates, the distance to
Lid members 12.1 connected via respective connection bars
This determines the rotation amount of No. 3, and is appropriately set together with other factors.

Further, the arm member 18 has one end 24a connected to the substrate 14.
The spring member 24 supported by the arrow F□
Forced forward.

The operating end 18a of the arm member 18 is connected to the connecting means 25.
is connected to the actuating mechanism 11 of the invented device.

The actuation mechanism 11 includes an actuation lever 26 that is provided in conjunction with the gas cock lever 7 for turning off the gas provided on the bathroom wall 4.

The operating lever 26 is the ignition gas cock lever 7.
When operating the gas cock lever to ignite the gas cock lever, that is, when rotating the gas cock lever 7 counterclockwise from the downward position to bring it to the horizontal position, the gas cock lever 7 is moved integrally with the gas cock lever 7 at a fixed angular interval. When the gas cock lever 7 reaches the ignition position, it assumes the second position N.

On the other hand, the operating lever 26 is held at the second position for a certain period of time in connection with the extinguishing operation of the gas cock lever 7, that is, when the gas cock lever 7 is operated clockwise from the ignition position, and then returns to the first position M. do.

A holding mechanism 27 for holding the actuating lever 26 at the second position N for a certain period of time is configured such that the actuating lever 26 is in the second position N.
A latch member 28 that prevents clockwise rotation of the operating lever when the gas cock lever reaches position N; This prevents the air cylinder member 29 from leaving the member 28.

The hook member 28 is rotatably attached around a pivot pin P, and is biased clockwise by a spring S.

One end 28a of the hook member 28 is connected to the piston 31 of the air cylinder member 29 via a connecting means 30, and the other end 28b is connected to the engaging portion 26 of the operating lever 26.
It is designed to mesh with a.

The air cylinder member 29 includes a piston 31, a cylinder 32, and a spring member y stretched between the piston and the cylinder and biased in a direction to compress the piston chamber 33.

35 is a piston withdrawal lever provided integrally with the gas cock lever 7, and is connected to the piston 31 via a connecting means 36.

The operating mode of this invented device is as follows.

As shown in FIGS. 2 and 3, when the gas system is extinguished, the two lid members 1 of the channel opening opening/closing lid assembly 10
2.13 ensures that the respective channel openings 5 a , 5 a are closed by the force of the spring 24 .

From this state, if you operate the gas cock lever 7 to ignite,
The actuating lever 26 is driven counterclockwise, and the arm member 18 is rotated clockwise about its pivot point against the tension of the spring 24 via the connecting means 25, so that the first and second Connecting bar 19 at connecting point 20.22 of 2
．． The two lids 12 and 13 connected via 21 are rotated in the direction of the arrow in FIG. 3 to open the flow path opening.

At this time, as the gas cock lever 7 is operated in the counterclockwise direction, the holding mechanism 27 moves the piston leaving lever 35
Then, the piston 31 is actuated via the connecting means 36 in a direction to expand the piston chamber 33.

On the other hand, the hooking member 28 locks the operating lever 26 by engaging the claw tip 28b with a retaining portion 26a provided on the operating lever 26 after the operating lever 26 has passed due to the action of the spring S. It looks like this.

When the gas cock lever 7 assumes the ignition position, the operating lever 26 is held by a hook member 28.

Next, when operating the gas cock lever 7 to extinguish the fire, only the gas cock lever 7 is first brought to the extinguishing position, and the gas system is extinguished.

Even after the gas fire is extinguished, wait until the hot water in the gas pot is discharged into the bathtub, and then close the flow path opening.

That is, when operating the gas cock lever 7 in a clockwise direction from the state shown in FIG. relieve tension.

On the other hand, the holding mechanism 27 gradually retracts due to the action of its spring 34, 34, displacing the coupling means 30 via the piston 31 into the tensioned state.

As the tension of the connecting means 30 increases, the spring S
The latch member 28 is rotated counterclockwise around the pivot pin P against the tension of , and the locked state between the latch member 28 and the operating lever 26 is released.

The released operating lever 26 returns to the state shown in FIG. 2A by the action of a release spring (not shown) provided therein.

Therefore, by this extinguishing operation, the lid 12.13, which is connected to the actuating lever 26, the connecting means 25, and the arm member 18 via the connecting bar 19 or 21, is activated when a predetermined holding time has elapsed, Channel opening 5a,
5a is formed to close it.

As described above, according to the device for preventing backflow heat radiation of bathtub hot water according to this invention, in connection with the operation of the gas cock lever for extinguishing the fire, it is possible to reliably restart the operation after a certain period of time has elapsed due to the extinguishing operation of the gas system. The two flow passage openings are closed, and during the fire extinguishing period, it is possible to prevent heat from flowing back into the gas boiler once the water has been boiled, making it an advantageous device for saving energy.

[Brief explanation of the drawing]

FIG. 1 is a schematic side sectional view of the gas bath device, and FIG. Figure B is a schematic partial front view showing the ignition state, and Figure 3 is Figure 2A.
1 is a schematic side view of a device corresponding to FIG. 1... Bathtub, 3... Gas kettle, 5 a
, 5 a... Channel opening, 7... Gas cock lever for extinguishing ignition, 10... Channel opening opening/closing lid assembly, 11... Operating mechanism , 12.13...
... Opening/closing lid member, 26... Actuation lever,
27... Holding mechanism, 28... Hook member, M... First position of operating lever, N...
...Second position of the actuation lever.

Claims (1)

[Claims for Utility Model Registration] Ignition gas cock lever 7 and said gas cock lever 7
an actuating lever 26 and a piston exit lever 35 each taking a first position when the piston is at the extinguishing point and a second position when the piston is at the ignition point; an actuation mechanism 11 including a hook member 28 for locking the actuation lever 26; and an actuation mechanism 11 connected to the actuation lever 26 of the actuation mechanism 11;
A passage opening opening/closing lid assembly 10 comprising a pair of lid members 12 and 13 that close the two water boiling passage openings 5 a and 5 a of the bathtub when the gas cock lever 7 is at the extinguishing point and open when the gas cock lever 7 is at the ignition point. and an air cylinder member 29 which is biased in a direction in which the piston chamber is always pressed into contact with the piston chamber, and is connected to the piston exit lever 35 of the actuating mechanism 11 and the hook member 28, and the gas cock lever 7 is During the period from the extinguishing point to the ignition point, the piston chamber is expanded via the piston withdrawal lever 35, and during the period from the ignition point to the extinguishing point, the operating lever 26 is temporarily closed by the hook member 28. Prevention of backflow heat radiation of bathtub water, comprising a holding mechanism 27 that locks and holds the lock and releases the lock between the hook member 28 and the operating lever 26 by means of urging the air cylinder member 29 in the pressure direction after a certain period of time has elapsed. Device.