JPS6026882A - Seal structure of buried type gas connecting section with hose winder - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sealing structure for a buried gas connection with a hose winding device, and more specifically, to prevent gas from leaking due to cracks in the hose inside the hose winding device. The present invention relates to a seal structure that can effectively prevent.

This project allows the hose that communicates between the gas main valve installed on the wall of a building and the gas appliance to be pulled out as much as necessary when in use, and when not in use, to be easily rolled up and stored in a compact and low-bulk manner. Patent applicants have applied for hose winding devices of various configurations. These hose winding devices are configured to wind the hose in a spiral or spiral shape using a winding bar that is rotatable around a fixed winding core, and those that wind the hose in a spiral or spiral manner using a rotating winding core. The hose is configured to be wound in a spiral or spiral shape, and when the gas appliance is not in use, the entire hose is wound up, and even when the gas appliance is in use, by winding up the excess hose, the hose can be stored indoors, etc. We are trying to eliminate the inconvenience of meandering lines.

Using such a hose winding device can reduce the possibility of hose damage, etc.
It is impossible to avoid deterioration of the hose itself due to changes over time, and it will last for a long time! If the hose itself is used under harsh conditions, such as under direct sunlight, it may become brittle, crack, etc., and cause gas leaks. are doing. In particular, when the hose is wound around the core, the hose is located inside the outer case and cannot be seen from the outside, making it impossible to check for cracks, etc., and in the worst case scenario, gas leakage may not be noticed. This was the cause of major accidents involving human life, such as gas explosions.

The present invention solves the above-mentioned drawbacks by providing a sealing structure that can effectively prevent gas leakage from a hose stored in a rolled state in an outer case of a winding device to a living space or the like. With the goal.

In order to achieve this object, the seal structure of the buried type gas connection with a hose winding device of the present invention has a core for winding a hose and a guide means for winding the hose around the core in an aligned state inside an outer case. The hose winding device is buried in a recess of the structure together with a connection part for connecting to a gas pipe buried in the structure, and an airtight lid with a seal is provided at the opening of the recess. .

DESCRIPTION OF THE PREFERRED EMBODIMENTS The seal structure of a buried gas connection with a hose winding device according to the present invention will be described in detail below with reference to the accompanying drawings showing embodiments.

FIG. 1 is a schematic diagram showing the sealing structure of a buried gas connection with a hose winding device.

(11 is a hose winding device, (2) is a gas connection, (3) is a recess, (4) is a sealing lid, and (5) is a gas pipe. The winding device il+ winds the hose (6) spirally or spirally around the winding core, and is connected to the gas connection (2). It is connected to a gas pipe (6) buried in a wall surface etc. (7) and whose end faces the recess (3), and furthermore, a seal ( 8) is pressed against the peripheral edge of the entrance of the recess (3), thereby keeping the inside of the recess (3) airtight.

Therefore, if the hose (6) is completely wound up by the hose winding device fi+ and positioned in the recess (3), and the recess (3) is further closed with the sealing lid (4), the recess (3)
The airtightness between the inside and outside of the hose is perfect, and gas leakage from the wound hose (6) is collected in the recess (3) to prevent it from leaking to the outside, thereby preventing major accidents such as gas explosions. This can be prevented.

FIG. 2 is a vertical sectional view specifically showing each component.

The hose winding device (1) is equipped with a winding core (I2) inside the outer case (river) and a rotatable winding lever (I2), which is formed in the center of the front plate (+4). The hose (6) can be pulled out through the rubber lightning outlet θ, and the hose (6) pulled out backward through the back plate H is connected to the gas connection part (2).

Note that θ is a spring that rotates the take-up bar (+3) in one direction, and (18) is a support that supports the outer case (river).

The sealing lid (4) is made of a flat plate material larger than the opening of the recess (3), and is sealed by pressing a rubber seal (8) provided on the periphery of the side surface against the periphery of the opening of the recess (3). Tokoro (3)
) The interior is kept airtight. The sealing lid (4) is secured to the recess (3) by a crimping and holding mechanism (not shown).
) so as to be fixed to the opening periphery without falling or shifting the position.

Therefore, if the hose (6) is completely wound up by the hose winding device +11 and the sealing lid (4) is held by a crimping and holding mechanism (not shown), the hose (6) will be kept airtight from the outside. Even if gas leaks due to cracks or the like, it will not leak outside from the recess (3), and high safety can be maintained.

On the other hand, by removing the airtight lid (4), pulling out the hose (6) and connecting it to a gas appliance, gas can be supplied to the gas appliance.

In the above embodiment, if the gas leak detection device (7) is installed in the recess (3), the inconvenience of removing the sealing lid (4) without knowing that a gas leak has occurred can be eliminated. This can further improve safety.

FIG. 3 is a longitudinal cross-sectional view showing another embodiment, which differs from the embodiment in FIG. The only difference is that it is wound spirally.

To explain in more detail, the hose winding device 10 includes a winding core 02) provided inside the outer case (11).
A spiral groove θψ is formed on the outer peripheral surface of the winding core (12), and a winding nozzle is provided that penetrates the spiral groove tJ (support) and projects to the outside of the winding core (12). And the outer case (ll)
A rubber tube outlet (21) is formed at a predetermined position. The spring is a spring that rotates the take-up bar θ.

In addition, the gas connection part (2) has an inverted truncated cone-shaped cavity at a predetermined position, and the gas pipe (5) is connected to the outside of the cavity.
A valve box (company) having a gas supply path (property) communicating with the
It is rotatably fitted into the cavity (23) and the gas supply path (
It has a gas passageway (e) that selectively communicates with the gas passageway (e), and a gas discharge passageway (valve body (c) having two forces) that communicates with the gas passageway head and extends upward. .

Then, by connecting the outer case (11) and the valve stem (29) formed continuously to the valve body (C) with a connector 00), the outer case (ll) and the valve body (C) are connected. A hose (6) drawn out rearward through the back plate (16) of the outer case (11) is communicated with the gas discharge path (27).

Therefore, in this embodiment as well, as in the case of the above embodiment, the hose (6) can be stored in the recess (3) while maintaining an airtight state in a wound state, and the hose ( Of course, gas can be supplied to gas appliances by pulling out the gas connection part (6), and the gas connection part (2) can be opened and closed just by operating the rising case (0), and the gas connection part (2) can be opened and closed by simply operating the rising case (0). ) can be easily opened and closed.

In each of the above embodiments, the hose winding device (1)
An example has been described in which the hose is fixed in the recess (3) and only the hose (6) can be pulled out by removing the sealing lid (4). Insert the hose (6) through the airtight lid (4) while
If it is pulled out, the trouble of attaching and detaching the airtight lid (4) can be saved and it is more convenient to use. In addition, the hose winding device (
1) In addition to being able to take out the hose itself from the recess (3), the configuration of the hose winding device il+ includes:
By rotating the winding core, or by fixing the winding core and rotating the winding bar, the hose can be wound in a spiral or spiral shape, and the gas connection (
As for the configuration 2), it is possible to have a configuration that does not have any opening/closing mechanism or a configuration that has an opening/closing mechanism that moves the valve body toward and away from the valve seat, without otherwise changing the gist of this invention. Various design changes can be made within the scope.

As described above, the sealing structure of the buried type gas connection with a hose winding device of the present invention provides a hose that has a winding core around which the hose is wound and a guide means for winding the hose around the winding core in an aligned state inside the outer case. The winding device is characterized in that the winding device is buried in a recess of the structure together with a connection part that connects to a gas pipe buried in the structure, and a sealing lid is provided at the opening of the recess. Gas leakage from the hose stored in a coiled state inside the outer case is confined to the recess of the structure, effectively preventing gas from leaking to the outside, significantly increasing safety. It has a unique effect.

[Brief explanation of the drawing]

Fig. 1 is a simplified longitudinal cross-sectional view showing the seal structure of a buried gas connection with a hose winding device, Fig. 2 is a longitudinal cross-sectional view showing a more specific example of the same as above, and Fig. 3 shows another embodiment of the same. FIG. +11... Hose winding device, (2)... Gas connection, (3)... Recess, (4)... Airtight lid, (6)
Hose, (8)... Seal, (12)... Winding core, (
Scene 1... Take-up bar! 19)...Spiral groove, (
B)...Valve box that makes up the opening/closing mechanism, and valve body...Valve body that makes up the opening/closing mechanism. Figure 1 'Dl Figure 2 18 'M3 Figure

Claims (1)

[Claims] 1. A hose winding device having a core around which a hose is wound and a guide means for winding the hose around the core in an aligned state inside an outer case is connected to a gas pipe buried in a structure. 1. A seal structure for a buried gas connection with a hose winding device, characterized in that the connection is buried in a recess of a structure, and a sealing lid with a seal is provided at the opening of the recess. 2. A sealing structure for a buried gas connection with a hose winding device according to claim 1, wherein the hose winding device winds the hose in a spiral shape. 3. A sealing structure for a buried gas connection with a hose winding device according to claim 1, wherein the hose winding device winds the hose in a spiral shape. 4. A sealing structure for a buried gas connection with a hose winding device according to claim 2 or 3, wherein the guide means is a winding bar rotatably provided with respect to the winding core. 5. A sealing structure for a buried gas connection with a hose winding device according to claim 3, wherein the guide means is a spiral spiral formed on the outer peripheral surface of the winding core. 6. A sealing structure for a buried gas connection with a hose winding device according to claim 2 or 3, wherein the connection has a closing mechanism. 7. A seal for a buried gas connection with a hose winding device according to claim 6, wherein the closing mechanism is connected to a hose winding device, and the closing mechanism is actuated by the hose winding device. structure. 8. A seal structure for an embedded type gas connection with a hose winding device according to claim 1, wherein the seal is a rubber seal. 9. A sealing structure for a buried gas connection with a hose winding device according to claim 1, wherein a gas leak sensing device is provided in the recess.