KR200487144Y1 - Fire piping connecting structure - Google Patents

Abstract

It is a design for connection structure of fire pipe. The fire pipe connection structure of the present invention includes a fire main pipe; A plurality of fire-extinguishing branch pipes branched from the fire main pipe; And a detachable pipe connection unit disposed in an area where the fire main pipe and the fire extinguishing branch pipe are in contact with each other to detachably connect the fire main pipe and the fire extinguishing branch pipe.

Description

FIRE PIPING CONNECTING STRUCTURE

The present invention relates to a fire pipe connection structure, and more specifically, a fire pipe can be connected without a leak by a simple but compact structure. In particular, since the structure is efficient, work convenience can be improved, And also to a fire pipe connection structure which can be conveniently carried out.

An ordinary building must have fire protection facilities based on the Fire Service Act. Accordingly, fire extinguishing facilities including a fire fighting hose for connecting fire fighting and fire fighting are provided outside the building.

In addition, fire-fighting facilities including a fire detection sensor for detecting a fire and a sprinkler operated in conjunction with a fire detection sensor may be provided in case of a fire in the inside of the building. At this time, the sprinkler and the fire detection sensor are generally provided outside the ceiling and protrude outward from the ceiling surface.

Meanwhile, in order to supply water to the fire-fighting equipment, that is, the sprinkler, a plurality of fire-fighting pipes are connected to the sprinkler.

The piping connected to the sprinkler may consist of a main pipe, a secondary pipe branching from the main pipe, and individual pipes branching from the secondary pipe to each sprinkler. Each pipe has a very complicated shape due to the mixing of different diameters to maintain the hydraulic pressure and the use of a number of connectors for branching.

This structure will be briefly described with reference to Korean Patent Application No. 20-2001-0029075 (Prior Art 1).

In the case of the prior art 1, an ordinary fire-extinguishing piping structure is disclosed. Specifically, the pipe connecting member for connecting pipes used in firefighting and construction sites is forged while improving the shape and dimensions in order to reduce material and processing costs, thereby improving tensile strength, compressive strength and airtightness, A main pipe for supplying water at a predetermined diameter and hot-forged with carbon steel to block one end of a branch pipe to be branched by a butt welded tee pipe connecting the main pipe, The outer diameter of the main tube was 73 mm, the thread length was 22.8 mm, the thread thickness was 6.7 mm, the outer diameter was 73 mm, the thread thickness was 6.7 mm, Main pipe length 88mm, tube thickness 4mm excluding the screw part, length 51mm from the center of the main pipe to the branch pipe, 52.8mm in the main pipe diameter, 44mm in the pipe pipe diameter mm and connected to one end of the nipple connected to the tee pipe, and having an outer diameter of 44 mm, a screw portion thickness of 5.3 mm, a screw portion length of 16.2 mm, an inner diameter of 27.2 mm, an outer curved portion thickness of 3 mm, The elbow pipe is formed to have a length of 38 mm from the vertical center to the end of the pipe line. The elbow pipe is connected to the end of the nipple that is connected to the other end of the elbow pipe to connect the sprinkler head. The tube length is 58mm from the tube to the tube tube for easy assembly. The tube diameter is 73mm, the thread thickness is 6.7mm, the thread length is 22.6mm, the inclined tube angle is 50mm and the inclined tube thickness is 5.9mm. mm, a thread length of 16.2 mm, and an inner diameter of 28.9 mm.

In other words, a normal building fire pipe is connected to pipes having different diameters by using connection pipes such as a tube, an elbow pipe, and a condenser, and finally, the water pipe is used to supply water pressure to the sprinkler.

Such a fire pipe connection structure will be described with reference to Fig. Fig. 1 shows the connection structure of the fire-fighting pipe which is piped in the ceiling of the building so that a sprinkler can be connected thereto in more detail.

Referring to FIG. 1, the horizontal portion 11 of the T-joint 10 is connected to two main pipes 1 disposed in the ceiling. To this end, the threaded portion 1a is formed on the outer peripheral surface of the end portion of the main pipe 1, and the first threaded portion 11a screwed to the threaded portion 1a of the main pipe 1 is formed on the inner circumferential surfaces of both ends of the horizontal portion 11 . The vertical portion 12 of the T-joint 10 extends downward from the center of the horizontal portion 11, and a second screw portion 12a is formed on the inner peripheral surface of the lower end thereof.

The first joint 20 is connected to the lower side of the vertical portion 12, and the third screw portion 21 is formed on the upper and lower outer peripheral surfaces, respectively. The upper end of the first joint 20 is screwed to the vertical portion 12 and the lower end of the first joint 20 is connected to a corrugated pipe 40 to be described later by a joint nut 30 to be described later.

The corrugated pipe 40 is a flexible pipe made up of a branch pipe of the main pipe 1. At the upper end of the corrugated pipe 40, a flange 41 is projected in a radial direction. The upper end of the bellows pipe 40 is connected to the first joint 20 by a joint nut 30.

On the other hand, the joint nut 30 has an open top shape. A fourth screw portion 31 is formed on the top inner circumferential surface, and a through hole 32 is formed in the bottom surface.

The joint nut 30 having the above structure is screwed and fixed to the lower end of the first joint 20 in a state where the flange 41 is inserted into the corrugated pipe 40 so as to be positioned above the bottom surface of the joint nut 30 do.

At this time, a first packing 35 is provided on the upper surface of the flange 41 and a lower end of the first joint 20, and a second packing 35 is provided between the lower surface of the flange 41 and the through hole 32 and the corrugated pipe 40 37 are preferably provided.

The second joint 50 is connected to the lower end of the corrugated pipe 40. For this purpose, a fifth screw portion 42 is formed on the lower end inner circumferential surface of the corrugated pipe 40, 6 screw portions 51 are formed. The sprinkler head 60 is screwed to the lower end of the second joint 50. To this end, a seventh screw portion 52 is formed on the inner peripheral surface of the lower end of the second joint 50, An eighth screw portion 61 is formed.

When the various joints and pipes are connected as described above, the water introduced through the main pipe 1 passes through the T-joint 10, the first joint 20, the corrugated pipe 40, and the second joint 50 sequentially And then supplied to the sprinkler head 60. Accordingly, when a fire occurs, the sprinkler head 60 is operated and water can be injected into the room to be extinguished.

However, since the fire pipe connection structure having the above structure requires a plurality of joints, the number of parts is large and the number of assembly parts is very large. As a result, not only does the material cost increase, but also it takes a lot of time to install it, which raises the labor cost.

Particularly, in the case of the conventional art, the connection structure is somewhat complicated or inefficient due to the structural limitations, and thus there is a need for a new concept of a fire pipe connection structure which is not known yet.

(Prior Art 1) Korean Patent Application No. 20-2001-0029075 (Prior Art 2) Korean Patent Office Application No. 10-2004-0023188 (Prior Art 3) Korean Patent Application No. 10-2013-0111839 (Prior Art 4) Korean Patent Application No. 10-2015-0159092

The object of the present invention is to provide a simple but compact structure that can connect the fire-fighting pipe without a leak, and in particular, it can be easily operated due to its efficient structure, Structure.

The above object is achieved by a fire extinguishing main pipe; A plurality of fire-extinguishing branch pipes branched from the fire main pipe; And a detachable pipe connection unit disposed in an area in which the main pipe for fire fighting and the fire fighting branch pipe are in contact with each other to detachably connect the fire main pipe and the fire fighting branch pipe to each other .

Wherein the main pipe for fire fighting is a straight pipe made of steel material, the branch pipe for fire fighting is a non-straight pipe made of CPVC, a main groove is formed at one side of the main pipe for fire fighting to be radially inwardly recessed, At one side of the pipe, a sub-groove may be formed to be recessed radially inward.

Wherein the detachable pipe connecting unit comprises a hemispherical first hemispherical housing which is arranged to surround a half region of the main fire pipe and the branch pipe for fire in a region where the main fire pipe for fire and the first branch for the fire are in contact with each other, A first unit connecting member having a first flange extending in opposite directions from both sides of the housing, the first flange being formed on the plate surface with a first through hole; A second hemispherical housing arranged to surround the remaining half area of the main fire pipe and the second main branch pipe in an area where the fire main pipe and the fire extinguishing branch pipe are in contact with each other, A second unit connecting member having a second flange extending from the first unit connecting member and having a second through-hole formed in a surface thereof; A fastening bolt inserted into the first through hole of the first unit connecting member and the second through hole of the second unit connecting member; And a fastening nut fastened to the fastening bolt on the opposite side of the fastening bolt.

The first unit connecting member and the second unit connecting member are provided with main ribs and sub ribs fitted to the main grooves and the sub grooves, and a plurality of side packings are formed outside the main ribs and the sub ribs .

According to the present invention, it is possible to connect the fire-fighting pipe without leakage by a simple but compact structure, and in particular, it is possible to facilitate the operation convenience due to the efficient structure, and also to carry out maintenance in the future conveniently.

1 is a cross-sectional view illustrating a fire pipe connection structure according to the related art.
2 is a schematic system structure in which a fire pipe connection structure according to the first embodiment of the present invention is installed.
3 is a perspective view of a fire pipe connection structure.
4 is an exploded perspective view of FIG.
5 is an enlarged perspective view of the detachable pipe connecting unit.
FIG. 6 is an exploded perspective view of FIG. 5. FIG.
7 is a front view of Fig.
8 is a cross-sectional view taken along line AA in Fig.
9 is a partial cross-sectional structural view of a detachable pipe connection unit applied to a fire pipe connection structure according to a second embodiment of the present invention.
10 is a partial cross-sectional structural view of a detachable pipe connecting unit applied to a fire pipe connection structure according to a third embodiment of the present invention.
11 is an operation diagram of Fig.
12 is a perspective view of a detachable pipe connection unit applied to a fire pipe connection structure according to a fourth embodiment of the present invention.
FIG. 13 is an exemplary view of a CPVC groove connector of a fire pipe connection structure according to a fifth embodiment of the present invention. FIG.
FIG. 14 is an exemplary view of a CPVC groove connector of a fire pipe connection structure according to a sixth embodiment of the present invention. FIG.
15 is an exemplary view of a CPVC groove connector of a fire pipe connection structure according to a seventh embodiment of the present invention.
16 is an exemplary view of a CPVC groove connector of a fire pipe connection structure according to an eighth embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention.

However, since the description of the present invention is merely an example for structural or functional explanation, the scope of the present invention should not be construed as being limited by the embodiments described in the text.

For example, since the embodiments are susceptible to various modifications and various forms, the scope of the present invention should be construed as including equivalents capable of realizing technical ideas.

Also, the purpose or effect of the present invention should not be construed as being limited thereby, as it does not mean that a particular embodiment must include all such effects or merely include such effects.

In this specification, the present embodiment is provided so that the disclosure of the present invention is complete, and that those skilled in the art will fully understand the scope of the present invention. And this invention is only defined by the scope of the claims.

Thus, in some embodiments, well known components, well known operations, and well-known techniques are not specifically described to avoid an undesirable interpretation of the present invention.

Meanwhile, the meaning of a term described in the present invention is not limited to a lexical meaning, and should be understood as follows.

It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected to the other element, but there may be other elements in between. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

It should be understood that the singular " include "or" have "are to be construed as including a stated feature, number, step, operation, component, It is to be understood that the combination is intended to specify that it does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined.

Commonly used predefined terms should be interpreted to be consistent with the meanings in the context of the relevant art and can not be interpreted as having ideal or overly formal meaning unless explicitly defined in the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the description of the embodiments, the same components are denoted by the same reference numerals, and explanations of the same reference numerals will be omitted in some cases.

(Embodiment 1)

FIG. 3 is a perspective view of the fire pipe connection structure, FIG. 4 is an exploded perspective view of FIG. 3, and FIG. 5 is a perspective view of the detachable pipe connection unit. Fig. 6 is an exploded perspective view of Fig. 5, Fig. 7 is a front view of Fig. 5, and Fig. 8 is a sectional view taken along line AA of Fig.

Referring to these drawings, the fire-fighting pipe connection structure 100 according to the present embodiment can be applied to the system as shown in FIG. 2, and it is possible to connect the fire-fighting pipes 110 and 120 with a simple but compact structure without leakage, The structure can be made convenient for the work, and the maintenance can be performed conveniently.

The fire pipe connection structure 100 according to the present embodiment capable of performing this role may include a fire main pipe 110, a fire branch pipe 120, and a detachable pipe connection unit 130.

The fire main pipe 110 refers to a main pipe that is supplied from the outside. Although one fire-extinguishing main pipe 110 is shown in the drawing, a plurality of main pipes 110 for fire-fighting may also be applied.

The fire main pipe 110 is applied as a straight pipe made of steel. A main groove 111 is formed at one side of the fire main pipe 110 so as to be recessed radially inward.

The fire-fighting branch piping 120 is a plurality of pipes branched from the fire main piping 110. For example, the fire-fighting branch piping 120 may be installed branchwise for each sprinkler position.

Unlike the main piping 110 for fire fighting, the fire-fighting branch piping 120 is applied as a non-linear pipe made of CPVC. A sub-groove 121 is formed at one side of the fire-extinguishing branch pipe 120 so as to be recessed radially inward.

The detachable pipe connection unit 130 is disposed in a region where the main fire pipe 110 and the fire branch pipe 120 are in contact with each other to detachably connect the main fire pipe 110 and the fire branch pipe 120 do.

Particularly, since the detachable pipe connection unit 130 connects the fire main pipe 110 and the fire main pipe 120 with the detachable structure, the installation, that is, the ease of installation and the maintenance, can be facilitated.

The detachable pipe connection unit 130 includes fastening bolts B for fastening the first unit connecting member 140, the second unit connecting member 150, and the first and second unit connecting members 140 and 150, And a fastening nut (N).

The first unit connecting member 140 and the second unit connecting member 150 have a symmetrical structure. The first unit connecting member 140 includes a first unit connecting member 140 and a second unit connecting member 140. The first unit connecting member 140 includes a first unit connecting member 140 and a second unit connecting member 140. The first unit connecting member 140 includes a main pipe 110, A hemispherical first hemispherical housing 141 disposed to surround a half area of the first hemispherical housing 120 and a first through hole 143 extending in opposite directions on both sides of the first hemispherical housing 141, And includes a first flange 142.

The second unit connecting member 150 is connected to the remaining half area of the main fire pipe 110 and the branch pipe 120 for fire in the area where the main fire pipe 110 and the fire branch pipe 120 are in contact with each other And a second flange 152 extending in opposite directions on both sides of the second hemispherical housing 151 and having a second through hole 153 formed in the surface of the second hemispherical housing 151 .

In this structure, the first unit connecting member 140 and the second unit connecting member 150 are provided with the main ribs 161 and the sub ribs 162 fitted to the main grooves 111 and the sub grooves 121 do.

Since the main ribs 161 and the sub ribs 162 are provided and fitted to the main grooves 111 and the sub grooves 121, the main fire pipe 110, the branch pipe for fire extinguishing 120, and the detachable pipe connecting unit 130 can be very precise.

A side packing 163 is provided on the outer side of the main rib 161 and the sub rib 162. The side packing 163 serves to prevent leakage.

The fastening bolt B is a member inserted into the first through hole 143 of the first unit connecting member 140 and the second through hole 153 of the second unit connecting member 150. The fastening nut (N) is a member fastened to the fastening bolt (B) on the opposite side of the fastening bolt (B).

As shown in FIG. 3, after the first unit connecting member 140 and the second unit connecting member 150 are separated from each other as shown in FIG. 6, the main unit pipe 110 and the branch pipe 120 for fire fighting So that the fire-extinguishing pipe connection structure 100 can be easily realized by fastening the fastening bolts B and the fastening nuts N.

According to the present embodiment having the structure and function as described above, it is possible to connect the fire-fighting pipes 110 and 120 with a simple but compact structure without leakage. Particularly, Maintenance can also be performed conveniently.

(Second Embodiment)

9 is a partial cross-sectional structural view of a detachable pipe connection unit applied to a fire pipe connection structure according to a second embodiment of the present invention.

Referring to this figure, in the case of this embodiment, the detachable pipe connecting unit 230 has a structure in which the first unit connecting member 240 and the second unit connecting member 250 are assembled and connected.

The main ribs 261 and the sub ribs 262 are formed in the first unit connecting member 240 and the second unit connecting member 250. At this time, The cross-sectional shape of the trapezoid is gradually narrowed.

When the main ribs 261 and the sub ribs 262 have such a structure, there is an advantage that they can be more easily fitted into the main grooves 111 and the sub grooves 121.

Even though the present embodiment is applied, it is possible to connect the fire-fighting pipes 110 and 120 with a simple but compact structure without leakage. Particularly, since the structure is efficient, the convenience of operation can be improved.

(Third Embodiment)

10 is a partial cross-sectional structural view of a detachable pipe connection unit applied to a fire pipe connection structure according to a third embodiment of the present invention, and Fig. 11 is an operation diagram of Fig.

Referring to this figure, in the case of this embodiment, the detachable pipe connecting unit 330 has a structure in which the first unit connecting member 140 and the second unit connecting member 150 are assembled and connected, The main ribs 161 and the sub ribs 162 are also provided in the first and second hemispherical housings 141 and 151 of the first unit connecting member 140 and the second unit connecting member 150. [

In this structure, a plurality of position variable grooves 365 are formed on the wall surfaces of the first and second hemispherical housings 141 and 151. The main ribs 161 and the sub ribs 162 are formed of a plurality of position variable grooves 365 It can be selectively inserted into one. When such a structure is applied, the convenience of assembly can be further improved and there is an advantage that it can be applied to various types of piping.

Even though the present embodiment is applied, it is possible to connect the fire-fighting pipes 110 and 120 with a simple but compact structure without leakage. Particularly, since the structure is efficient, the convenience of operation can be improved.

(Fourth Embodiment)

12 is a perspective view of a detachable pipe connection unit applied to a fire pipe connection structure according to a fourth embodiment of the present invention.

Referring to this figure, in the case of the present embodiment, the detachable pipe connecting unit 430 is provided with the first unit connecting member 140, the second unit connecting member 150, and the first and second unit connecting members 140 and 150 And includes fastening bolts (B) for fastening and fastening nuts (N).

In this structure, the first and second unit connecting members 140 and 150 are formed with an inner observation hole 477 for observing the inside. When the inner observation hole 477 is formed, it is possible to work while confirming the assembled state, so that the convenience of the operation can be improved.

Even though the present embodiment is applied, it is possible to connect the fire-fighting pipes 110 and 120 with a simple but compact structure without leakage. Particularly, since the structure is efficient, the convenience of operation can be improved.

(Fifth Embodiment)

FIG. 13 is an exemplary view of a CPVC groove connector of a fire pipe connection structure according to a fifth embodiment of the present invention. FIG.

The conventional connection structure is mainly composed of flange bonding or screw bonding, but in the case of this embodiment, a groove connecting structure as shown in FIG. 13 can be achieved. That is, the projections 531 of the detachable pipe connecting unit 530 of the CPVC are coupled to the grooves 551 of the steel member 550, thereby realizing an assembly structure that is far superior to the conventional flange bonding or screw bonding. . At this time, the size of the product can be variously changed in consideration of productivity.

Even though the present embodiment is applied, it is possible to connect the fire-fighting pipes 110 and 120 with a simple but compact structure without leakage. Particularly, since the structure is efficient, the convenience of operation can be improved.

(Sixth Embodiment)

FIG. 14 is an exemplary view of a CPVC groove connector of a fire pipe connection structure according to a sixth embodiment of the present invention. FIG.

The conventional connection structure mainly consists of flange bonding and screw bonding, but in the case of this embodiment, a groove connecting structure as shown in Fig. 14 can be achieved. That is, since the steel member is assembled in such a manner that the projection 531a of the detachable pipe connecting unit 530a is engaged, an assembling structure much superior to the conventional flange bonding or screw bonding can be realized. At this time, the size of the product can be variously changed in consideration of productivity.

Even though the present embodiment is applied, it is possible to connect the fire-fighting pipes 110 and 120 with a simple but compact structure without leakage. Particularly, since the structure is efficient, the convenience of operation can be improved.

(Seventh Embodiment)

15 is an exemplary view of a CPVC groove connector of a fire pipe connection structure according to a seventh embodiment of the present invention.

The conventional connection structure mainly includes flange bonding and screw bonding, but in the case of this embodiment, a groove connecting structure as shown in FIG. 15 can be achieved. That is, since the steel member is assembled in such a manner that the projection 531a of the detachable pipe connecting unit 530a is engaged, an assembling structure much superior to the conventional flange bonding or screw bonding can be realized. At this time, the size of the product can be variously changed in consideration of productivity.

Even though the present embodiment is applied, it is possible to connect the fire-fighting pipes 110 and 120 with a simple but compact structure without leakage. Particularly, since the structure is efficient, the convenience of operation can be improved.

(Eighth Embodiment)

16 is an exemplary view of a CPVC groove connector of a fire pipe connection structure according to an eighth embodiment of the present invention.

Referring to this figure, in the case of this embodiment, the detachable pipe connecting unit 630 can be used to connect the first and second members 610 and 620, that is, between the main pipe for fire or the branch pipe or between similar pipes have.

Even though the present embodiment is applied, it is possible to connect the fire-fighting pipes 110 and 120 with a simple but compact structure without leakage. Particularly, since the structure is efficient, the convenience of operation can be improved.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined in the appended claims. Accordingly, such modifications or variations are intended to fall within the scope of the appended claims.

100: Fire pipe connection structure 110: Fire main pipe
111: main groove 120: branch pipe for fire protection
121: Sub-groove 130: Detachable pipe connecting unit
140: first unit connecting member 141: first hemispherical housing
142: first flange 143: first through hole
150: second unit connecting member 151: second hemispherical housing
152: second flange 153: second through hole
161: Main rib 162: Sub rib
163: Side packing

Claims (4)

A main pipe 110 for a fire main body, which is a straight pipe made of steel material and is provided with a main groove 111 which is recessed radially inward;
A plurality of fire-extinguishing branch pipes 120 formed by a non-linear pipe of a CPVC material and having a sub-groove 121 recessed radially inwardly at one side thereof and branching from the main fire pipe 110; And
And a detachable pipe connection unit 130 disposed in a region where the fire main pipe 110 and the fire extinguishing branch pipe 120 are in contact with each other and detachably connecting the main fire pipe 110 and the fire extinguishing branch pipe 120,
The detachable pipe connection unit (130)
A hemispherical first hemispherical housing 141 disposed in a region where the fire main pipe 110 and the fire main branch pipe 120 are in contact with each other to surround a half area of the main fire pipe 110 and the fire main pipe 120, A first unit connecting member 140 having a first flange 142 extending in opposite directions on both sides of the first hemispherical housing 141 and having a first through hole 143 formed in a plate surface, respectively;
A hemispherical second hemispherical housing 151 which surrounds the remaining half area of the fire main pipe 110 and the fire main branch pipe 120 in the area where the fire main pipe 110 and the fire main branch pipe 120 are in contact with each other, And a second flange (152) extending in opposite directions on both sides of the second hemispherical housing (151) and having a second through hole (153) formed on the plate surface, respectively;
A fastening bolt B inserted into the first through hole 143 of the first unit connecting member 140 and the second through hole 153 of the second unit connecting member 150; And
And a fastening nut (N) fastened to the fastening bolt (B) on the opposite side of the fastening bolt (B)
The first unit connecting member 140 and the second unit connecting member 150 are connected to the main groove 111 of the fire main pipe 110 and the sub grooves 121 of the fire main branch pipe 120, Ribs 161 and sub ribs 162 are provided,
A plurality of side packings 163 are provided on the outer sides of the main ribs 161 and the sub ribs 162,
And a plurality of position variable grooves 365 formed on the wall surfaces of the first and second hemispherical housings 141 and 151 so as to selectively insert the positions of the main ribs 161 and the sub ribs 162,
Wherein the first and second unit connecting members (140, 150) include an internal observation hole (477) formed so as to observe the inside thereof.
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