KR20080005767U - Up and down device of connecting pipe of sprinkler - Google Patents

Abstract

The disclosure is to form a double tube connecting pipe to which the fire extinguishing sprinkler is installed in the ceiling of the building, such as apartments, buildings, etc., the ceiling height (vertical height from the slab to the ceiling panel) depending on the construction company of the building About 200-250 mm), the height of the connecting pipe can be easily adjusted and installed.

In the sprinkler connector pipe lifting apparatus according to an embodiment of the present invention, in the sprinkler connector pipe lifting device is installed on the ceiling inside the building and the elbow valve is coupled to the water supply pipe for supplying the digestion water,

A threaded portion is formed on the outer surface to be screwed to the elbow valve, an annular extension portion is formed on the upper portion of the threaded portion, and an outer side pipe formed with a screw hole at a predetermined position on the inner side,

Including an inner tube coupled to the screw hole to be moved in the vertical direction along the rotation direction, the packing is mounted on the outer surface to prevent leakage in close contact with the inner surface of the outer tube,

After screwing the outer pipe to the elbow valve, the height of the inner pipe can be adjusted in the vertical direction according to the rotational direction of the inner pipe with respect to the outer pipe, and the lifting height of the inner pipe can be increased by the length of the extension of the outer pipe. have.

Sprinklers, Connectors, Lifts

Description

{Up and down device of connecting pipe of sprinkler}

1 is a schematic diagram of a sprinkler connector pipe lifting apparatus according to the prior art,

Figure 2 is a cross-sectional view separating the sprinkler connector pipe lifting apparatus according to an embodiment of the present invention,

3 is a cross-sectional view of the lifting device shown in FIG.

4 is a state diagram used in the lifting device shown in FIG.

Figure 5 is a cross-sectional view separating the sprinkler connector pipe lifting apparatus according to another embodiment of the present invention,

6 is a cross-sectional view of the lifting device shown in FIG.

7 is a state diagram used in the lifting device shown in FIG.

8 is a modified example of the inner tube in the lifting device of the embodiment shown in FIG.

9 is a modified example of the inner tube in the elevating device of the embodiment shown in FIG.

* Explanation of symbols used in the main part of the drawing

50; feed pipe

51; Elbow Valve

52; Screw

53; Extension

54; Screwman

55; Outer tube

56; packing

57; Inner tube

58; Screwman

59; plate

60; Lifting control member

61; Sprinkler Head

When the sprinkler for fire extinguishing is installed on a ceiling inside a building such as an apartment or a bill, the present invention forms a double pipe to which a sprinkler head (hereinafter referred to as a "spring sprinkler") is fixed. The present invention relates to a sprinkler connecting pipe elevating device that can easily adjust the height in the vertical direction.

More specifically, a double pipe is used to form a connecting pipe to which a fire extinguishing sprinkler installed on the ceiling inside the building is fixed, and depending on the construction company of the building, the ceiling height (vertical height from slab to ceiling panel, In the case of about 200-250 mm), it is related with a sprinkler connecting tube elevating device which can be installed to easily adjust the height in the vertical direction of the connecting tube.

Recently, apartment houses such as apartments are automatically operated when a temperature set by fire is detected, and sprinklers are installed on the lower floors so that water can be extinguished by extinguishing the fire at high pressure. That is, a plurality of sprinklers installed in each generation are automatically operated when a high temperature due to a fire is detected by a temperature sensor installed at a predetermined position of a ceiling panel, so that water can be sprayed at high pressure to extinguish the fire.

As shown in FIG. 1, the sprinkler connection pipe lifting apparatus according to the prior art is a branch pipe made of a steel pipe which is fixed below the slab 9 and branched to a main water supply pipe (not shown) for supplying digestive water ( 1) and,

A connection pipe 4 connected to the branch pipe 1 and screwed with a sprinkler head 3 fixed to the ceiling panel 2;

A guide plate 5 integrally fixed to an outer surface of the connecting pipe 4,

A bracket 6 fixed to the slab 9 as a fastening member 10, and one end of the bracket 6 is rotatably supported and screwed to the guide plate 5, and the guide plate 5 according to the rotation direction. It is provided with a height adjustment device (8) including a height adjustment rod (7) for adjusting the height of the connecting pipe (4) by raising and lowering in the vertical direction.

Therefore, even if the height of the ceiling height (H) is different according to the construction company of the building, it is possible to adjust the height of the connecting pipe (4) installed in the ceiling panel (2) by the height adjustment device (8).

The elevator apparatus of the prior art is the height adjusting device 8 which adjusts the height of the connecting pipe 4 so that it can be connected to the outlet side of the branch pipe 1 in the state which the inlet side of the branch pipe 1 is connected to the main water supply pipe. There is a problem that the cost of the cost increases due to the increase in the number of parts.

In addition, as the ceiling height is different depending on the construction company of the building, the length of the connector (4) long to the ceiling height must be cut, on the contrary short connector (4) can not be used because it is replaced , The installation time is increased to install the connection pipe 4 has a problem that the work efficiency is lowered.

In the embodiment of the present invention, a double pipe is formed to form a connecting pipe to which a fire extinguishing sprinkler installed on a ceiling inside a building is fixed, and even when the height of the ceiling varies depending on the construction company of the building, It is related to the connector elevating device for sprinkler which can adjust the height easily to improve the working efficiency.

Embodiment of the present invention is related to the sprinkler connector lifting device that can reduce the cost by reducing the number of parts due to the simplified structure of the elevating device for elevating the connector.

In the sprinkler connector pipe lifting apparatus according to an embodiment of the present invention, in the sprinkler connector pipe lifting device is installed on the ceiling inside the building and the elbow valve is coupled to the water supply pipe for supplying the digestion water,

A threaded portion is formed on the outer surface to be screwed to the elbow valve, an annular extension portion is formed on the upper portion of the threaded portion, and an outer side pipe formed with a screw hole at a predetermined position on the inner side,

Including an inner tube coupled to the screw hole to be moved in the vertical direction along the rotation direction, the packing is mounted on the outer surface to prevent leakage in close contact with the inner surface of the outer tube,

After screwing the outer pipe to the elbow valve, the height of the inner pipe can be adjusted in the vertical direction according to the rotational direction of the inner pipe with respect to the outer pipe, and the lifting height of the inner pipe can be increased by the length of the extension of the outer pipe. have.

In the sprinkler connector pipe lifting apparatus according to another embodiment of the present invention, in the sprinkler connector pipe lifting device is installed on the ceiling inside the building and the elbow valve is coupled to the water supply pipe for supplying the digestion water,

A threaded portion is formed on the outer side to be screwed to the elbow valve, an annular extension is formed on the upper end of the threaded portion, and an outer side pipe on which the threaded hole is formed on the outer side;

An inner tube coupled to the outer tube so as to be movable upward and downward, and in which packing is mounted on the outer surface to prevent leakage due to close contact with the inner surface of the outer tube;

Including a lift adjustment member coupled to the screw hole of the plate to adjust the height by lifting the inner pipe relative to the outer pipe in accordance with the rotation direction,

After screwing the outer tube to the elbow valve to adjust the height in the vertical direction of the inner tube in accordance with the rotation direction of the elevating control member, it is possible to increase the height of the inner tube by the length of the extension of the outer tube.

According to a preferred embodiment, the above-described inner tube,

The upper surface of the inner tube may further include an inclined surface formed on the upper end of the inner circumference of the inner tube to prevent foreign matter contained in the tap water accumulates.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, which are intended to describe in detail enough to be easily carried out by those skilled in the art to which the present invention pertains. It does not mean that the technical spirit and scope of the invention is limited.

As shown in Figures 2 to 4, 8, the sprinkler connecting pipe elevating apparatus according to an embodiment of the present invention, the elbow to the water supply pipe 50 of the steel pipe which is installed on the ceiling inside the building and supplies digestive water In the sprinkler connecting pipe lifting device to which the valve 51 is coupled,

The screw portion 52 is formed on the outer surface to be screwed to the elbow valve 51, the annular extension portion 53 is formed on the upper end of the screw portion 52, the screw hole 54 is formed at a predetermined position on the inner surface The outer tube 55,

It is coupled to the screw hole 54 so that it can be moved in the vertical direction in accordance with the rotation direction, at least one annular packing 56 is mounted on the outer surface to prevent the leak close to the inner surface of the outer tube 55 Including the inner tube 57,

After screwing the outer tube 55 to the elbow valve 51, the height in the vertical direction of the inner tube 57 is adjusted in accordance with the rotational direction of the inner tube 57 with respect to the outer tube 55, the outside The lifting height of the inner tube 57 can be increased by the length L of the extension portion 53 of the tube 55.

At this time, as shown in Figure 8, the above-described inner tube 57 is the inner surface so as to prevent the accumulation of suspended matter, foreign matter (say moss, etc.) included in the tap water on the upper surface of the inner tube 57 is deposited. It may further include an inclined surface 57a (for example, rounded or chamfered) formed at an upper end of the inner circumference of the tube 57.

Reference numeral 61 in the drawings is a sprinkler head coupled to the lower end of the inner tube (57).

Hereinafter, with reference to the accompanying drawings an example of the use of the sprinkler connecting pipe lifting apparatus according to an embodiment of the present invention will be described in detail.

3, 4 and 8, after connecting the water supply pipe 50 formed of a steel pipe to the main water supply pipe (not shown) fixed to the slab 62 of the building and then elbow valve to the water supply pipe 50 Join 51.

After coupling the threaded portion 52 of the outer tube 55 to the elbow valve 51, the inner tube 57 is screwed into the screw hole 54 formed on the inner surface of the outer tube 55. For this reason, when rotating the inner side pipe | tube 57 with respect to the outer side pipe | tube 55, the inner side pipe | tube 57 is elevated up and down along the screw hole 54 according to the rotation direction.

Therefore, even if the ceiling height (H) is different according to the construction company of the building, it is possible to easily adjust the height of the connecting pipe (referring to the outer pipe 55 and the inner pipe 57) formed of a double pipe. At this time, the gap between the inner surface of the outer tube 55 and the outer surface of the inner tube 57 by the annular packing 56 mounted on the outer surface of the inner tube 57 is leaked through the gap Can be prevented.

In addition, when adjusting the height of the connecting tube by rotating the inner tube 57 with respect to the outer tube 55, the inner tube by the annular extension 53 formed on the upper end of the screw portion 52 of the outer tube 55 It is possible to increase the lifting height of (57). That is, when the inner tube 57 is rotated and raised with respect to the outer tube 55, the upper end of the inner tube 57 is raised to the extension 53 formed at the upper end of the outer tube 55, so that the inner tube 57 is The length 53 of the extension portion 53 may rise further.

As described above, the sprinkler connecting pipe lifting apparatus according to an embodiment of the present invention, when installing a double pipe connecting pipe to which the fire extinguishing sprinkler is fixed inside the building, the connection pipe according to the ceiling height of the building The cost can be reduced by moving the parts up and down to reduce the number of parts to adjust the height. As the lifting height of the inner pipe 57 is further increased by "L", the height of the connecting pipe can be easily adjusted even when the ceiling height H is different according to the construction company of the building.

5 to 7, as shown in Figure 9, the sprinkler connection pipe lifting apparatus according to another embodiment of the present invention, the elbow to the water supply pipe 50 of the steel pipe which is installed on the ceiling inside the building and supplies the digestive water In the sprinkler connecting pipe lifting device to which the valve 51 is coupled,

The screw portion 52 is formed on the outer surface to be screwed to the elbow valve 51, the annular extension portion 53 is formed on the upper end of the screw portion 52, the plate 59 is formed with a screw hole 58 The outer tube 55 formed on the side,

The inner tube 57 is coupled to the outer tube 55 so as to be movable upward and downward, and the annular packing 56 is mounted on the outer side so as to be in close contact with the inner surface of the outer tube 55 and prevent leakage. ,

Lifting control member 60 (for example, a screw is used) that is coupled to the screw hole 58 of the plate 59 and adjusts the height by raising and lowering the inner tube 57 with respect to the outer tube 55 according to the rotation direction including,

After screwing the outer tube 55 to the elbow valve 51, the height of the inner tube 57 in the vertical direction is adjusted according to the rotational direction of the elevating control member 60, and the extension of the outer tube 55 The lifting height of the inner tube 57 can be increased by the length L of 53.

At this time, as shown in Figure 9, the above-described inner tube 57 is the inner surface so as to prevent the accumulation of suspended matter, foreign matter (referred to moss, etc.) included in the tap water on the upper surface of the inner tube 57 is deposited. It may further include an inclined surface 57a (for example, a curved surface or a chamfer may be formed) formed at an upper end of the inner circumference of the tube 57.

Hereinafter, with reference to the accompanying drawings an example of the use of the sprinkler connecting pipe lifting apparatus according to another embodiment of the present invention will be described in detail.

6, 7 and 9, after screwing the outer tube 55 to the elbow valve 51 coupled to the water supply pipe 50, the plate formed on the outer surface of the outer tube 55 ( Screwing the elevating control member 60 formed on the outer surface of the inner tube 57 with respect to the screw hole 58 of 59. At this time, the inner tube 57 is coupled to the outer tube 55 to be elevated.

Therefore, when rotating the elevating control member 60 by the operator, as the inner tube 57 is moved up and down with respect to the outer tube 55 according to the rotation direction of the connecting tube (outer tube 55 and the inner side) Height of the tube 57) can be adjusted.

At this time, the configuration except for the elevating control member 60 for adjusting the height in the vertical direction of the connecting pipe by elevating the inner pipe 57 with respect to the outer pipe 55 according to the rotation direction, in one embodiment of the present invention Since they are applied substantially the same as those described, detailed description thereof will be omitted and overlapping reference numerals will be denoted the same.

On the other hand, as shown in Figure 9, as the inclined surface (57a) is formed on the inner circumferential upper surface of the above-described inner tube 57, the floating matter, foreign matter (say moss, etc.) included in the tap water is accumulated and deposited You can prevent it. For this reason, the discharge port of the sprinkler head 61 can be prevented from being blocked by foreign substances.

As described above, the sprinkler connector pipe lifting apparatus according to an embodiment of the present invention has the following advantages.

The double tube is used to form the connecting pipe to which the fire extinguishing sprinkler installed on the ceiling inside the building is fixed, and the height of the connecting pipe can be easily adjusted in the vertical direction even when the ceiling height is different according to the construction company of the building. Can improve work efficiency.

In addition, it is possible to secure the maximum height (stroke) that the connector can move in the vertical direction to have a high reliability can be adjusted regardless of the construction company of the building.

In addition, due to the simplified structure of the elevating device for elevating the connector can reduce the cost of the corresponding parts.

Claims (3)

In the sprinkler connecting pipe elevating device installed on the ceiling inside the building and the elbow valve is coupled to the water supply pipe for supplying the digestive water: An outer tube having a threaded portion formed on an outer side surface to be screwed to the elbow valve, an annular extension portion formed on an upper end of the threaded portion, and a threaded hole formed at a predetermined position on the inner side surface; And Including an inner tube coupled to the screw hole to be moved in the vertical direction along the rotation direction, the packing is mounted on the outer side to prevent leakage in close contact with the inner surface of the outer tube, After screwing the outer tube to the elbow valve, the height in the vertical direction of the inner tube is adjusted according to the rotational direction of the inner tube with respect to the outer tube, and the elevating height of the inner tube by the length of the extension of the outer tube. Connector lifting device for sprinkler, characterized in that it can increase. In the sprinkler connecting pipe elevating device installed on the ceiling inside the building and the elbow valve is coupled to the water supply pipe for supplying the digestive water: An outer tube having a threaded portion formed on an outer side surface to be screwed to the elbow valve, an annular extension portion formed on an upper end of the threaded portion, and a plate having a screw hole formed on the outer side surface thereof; An inner tube coupled to the outer tube so as to be movable in a vertical direction, the packing being mounted on the outer surface to prevent leakage due to close contact with the inner surface of the outer tube; And Including a lift adjustment member coupled to the screw hole of the plate to adjust the height by elevating the inner tube relative to the outer tube according to the rotation direction, After screwing the outer tube to the elbow valve and adjust the height in the vertical direction of the inner tube in accordance with the rotational direction of the elevating control member, it is possible to increase the elevating height of the inner tube by the length of the extension of the outer tube Connector lifting device for the sprinkler characterized in that. The method according to claim 1 or 2, wherein the inner tube, And an inclined surface formed on an upper end of the inner circumference of the inner tube to prevent accumulation of foreign matter included in the tap water on the upper surface of the inner tube.

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