KR101647971B1

KR101647971B1 - Sprinkler for firefighting

Info

Publication number: KR101647971B1
Application number: KR1020150085731A
Authority: KR
Inventors: 김재학
Original assignee: 김선학
Priority date: 2015-06-17
Filing date: 2015-06-17
Publication date: 2016-08-19

Abstract

The present invention relates to a sprinkler for firefighting. The present invention comprises: a fixing bracket including a horizontal bracket fixed to a ceiling, a vertical bracket vertically connected to the horizontal bracket, and a bolt support part curved from the vertical bracket in a direction of a reducer; the reducer protruding from a reducer body part, in which the sprinkler is installed, including a bracket combination part combined with the vertical bracket of the fixing bracket, and supported to move up and down along the vertical bracket; and a height control bolt combined between the reducer body and the vertical bracket of the fixing bracket to penetrate the bolt support part and the bracket combination part to control the height of the reducer. Since the fixing bracket is divided into the horizontal bracket and the vertical bracket, the sprinkler is able to be assembled at a horizontally controlled angle. The sprinkler is provided as the first invention.

Description

SPRINKLER FOR FIREFIGHTING

Disclosure relates to a sprinkler installed in a building and used for fire fighting.

Herein, the background art relating to the present invention is provided, and they are not necessarily referred to as known arts.

Sprinkler, which is one of the fire suppression devices in the building, is installed on the ceiling of the room, and it is a device that can suppress the fire by spraying high pressure fire water in case of fire.

FIG. 1 is a schematic view illustrating an installation structure of a sprinkler. The sprinkler is installed in a space between a ceiling slab 1 of a building and a ceiling finishing material 5.

The sprinkler is constructed such that a reducer 15 is connected to a water supply pipe 10 for supplying water in a space between the ceiling slab 1 and the ceiling finishing material 5 and the sprinkler head 20 is installed in the reducer 15 .

The water supply pipe 10 uses a PVC pipe and the sprinkler head 20 is installed so as to be exposed to the room through the hole 5a of the ceiling finishing material 5. [

Particularly, the reducer 15 is supported on the ceiling slab 1 by using the fixing bracket 30, and the portion where the fixing bracket and the reducer are mutually connected is configured to be able to adjust the height of the reducer 15 .

The height adjustment structure of the reducer 15 includes a bracket coupling portion 16 protruding to penetrate the fixing bracket 30. At this time, the bracket coupling portion 16 is configured to penetrate the inside of a guide hole (not shown) of the fixing bracket 30.

The fixing bracket 30 is formed in a diagonal structure so that the horizontal portion 31 is fixed to the ceiling slab 1 by the anchor bolts 32 and the vertical portion 33 vertically connected to the horizontal portion 31 A guide hole (not shown) is formed to allow the bracket coupling portion 16 of the reducer 15 to move up and down. A bolt support portion 35 bent in a direction opposite to a side where the reducer 15 is located is formed at a lower end portion of the vertical portion 33.

A bolt 40 for height adjustment is coupled to the reducer 15 and the fixing bracket 30 such that the height adjusting bolt 40 is rotatably coupled to the bolt support 35 of the fixing bracket 30 And screwed to the bracket coupling portion 16 of the reducer 15. A washer 45 for restricting upward and downward movement is fitted to the height adjusting bolt 40 on the side of the bolt supporting portion 35 of the fixing bracket 30 so that the height adjusting bolt 40 is rotated by the bolt supporting portion 35 However, the relative movement in the longitudinal direction is configured to be limited.

Therefore, when the height adjusting bolt 40 is rotated, the bracket engaging portion 16 fastened to the bolt 40 is moved up and down by a ball screw action. At this time, the reducer 15 and the sprinkler head 20 The height of the sprinkler head 20 can be appropriately adjusted by simultaneously moving up and down.

However, as described above, since the fixing bracket 30 is formed integrally as described above, it is inevitably necessary to install the water supply pipe 10 in a straight line with the installation direction. Therefore, it is difficult to install the water supply pipe 10 in a straight line There is a problem that it is difficult to cope with the installation environment more actively depending on the installation environment, for example, the fixing bracket 30 must be manufactured separately in accordance with the installation environment, or the water supply pipe 10 must be bent and connected.

1. Patent Document 0001) KR Patent Registration No. 10-0822946 2. Patent document 0002) KR registration room 20-0350019

Disclosure of the Invention The present disclosure aims to solve the problems of the conventional sprinkler installation structure and is to provide a fire-extinguishing sprinkler which can easily adjust the sprinkler by minimizing the constraint according to the installation environment by configuring the angle of the fixing bracket Provide for the purpose of providing.

The present invention is not intended to be exhaustive or to limit the scope of the present invention to the full scope of the present invention. of its features).

In order to solve the above-described problems, the present disclosure provides a horizontal bracket for fixing to a ceiling, a vertical bracket vertically connected to the horizontal bracket, and a bolt support A stationary bracket to which the stationary bracket is attached; A reducer having a bracket coupling portion protruding from a reducer main body portion in which a sprinkler is installed and coupled to a vertical bracket of the fixing bracket so as to be movable up and down along the vertical bracket; And a height adjustment bolt which is coupled to the vertical bracket of the fixing bracket so as to penetrate the bolt support portion and the bracket coupling portion between the vertical bracket and the reducer main body so as to adjust the height of the reducer, The present invention provides a fire-fighting sprinkler configured to be assembled in a state in which a vertical bracket is divided so that its angle is adjusted in a horizontal direction.

Further, in order to solve the above-mentioned problems, the present disclosure relates to a fixing bracket comprising a horizontal bracket so as to be fixed to a ceiling, and a vertical bracket vertically connected to the horizontal bracket; A redistributor supported so as to be movable up and down along the vertical bracket; And a height adjustment bolt coupled to the vertical bracket of the fixing bracket and the height adjuster coupled to the reducer so as to adjust a height of the reducer, wherein the fixing bracket has a structure in which a horizontal bracket and a vertical bracket are divided, To a fire extinguishing sprinkler which can be assembled in a state in which the installation angle is adjusted by the second aspect of the present invention.

According to the present invention, in the fire fighting sprinkler according to the first invention or the second invention, the vertical bracket is provided with an engaging portion bent in the horizontal direction at an upper end thereof, and in a state where the engaging portion is in tight contact with the bottom face of the horizontal bracket And a fire-fighting sprinkler configured to be assembled to the horizontal bracket as a fastening means.

According to a third aspect of the present invention, there is provided a fire suppression sprinkler according to the third aspect of the present invention, wherein the engaging portion of the vertical bracket has a fitting protrusion formed on an upper portion thereof, and the horizontal bracket has a fitting hole A sprinkler is provided as the fourth invention.

According to a fourth aspect of the present invention, in the fire fighting sprinkler according to the fourth aspect of the present invention, the engaging portion of the vertical bracket and the horizontal bracket to which the engaging portion is assembled are formed with fastening holes to be assembled by fastening means, And a fire-extinguishing sprinkler formed at regular intervals in a circumferential direction around the fastening hole as a fifth invention.

According to a sixth aspect of the present invention, there is provided a fire suppression sprinkler according to the first or second aspect of the present invention, wherein the reducer is formed of the same material as the water supply pipe.

According to a seventh aspect of the present invention, there is provided a fire suppression sprinkler according to the sixth aspect of the present invention, wherein the reducer and the water supply pipe are made of CPVC (Chlorinated Polyvinyl Chloride) material.

According to the present invention, in the fire suppression sprinkler according to the first or second aspect of the present invention, the reducing chamber is formed with a long coupling groove in the vertical direction at one side thereof, and a coupling body coupled to the coupling groove is formed in the vertical bracket A fire-fighting sprinkler is provided in the eighth invention.

According to the present disclosure, since the angle of the fixing bracket can be adjusted, the restriction on the sprinkler installation environment can be minimized, and the sprinkler installation operation can be made easier.

In addition, according to the present disclosure, a coupling groove is formed in the vertical direction at the rear of the body portion of the reducer, and a coupling body coupled to the coupling groove is formed in the vertical bracket, so that the reducher can be supported more stably do.

1 is a side view showing a sprinkler installation structure of the prior art.
2 is a perspective view showing a fire-fighting sprinkler according to an embodiment of the present invention.
3 is an exploded perspective view showing a fire-fighting sprinkler according to an embodiment of the present invention.
4 is an exploded side view showing a fire-fighting sprinkler according to an embodiment of the present invention.
5 and 6 are views for explaining a state of use of a fire-fighting sprinkler according to an embodiment of the present invention.
7 is an exploded side view of a fire-fighting sprinkler according to another embodiment of the present invention.
8 is a cross-sectional view taken along line AA in Fig.

Hereinafter, various embodiments in which the fire-fighting sprinkler according to the present disclosure is implemented will be described with reference to the drawings.

It should be understood, however, that there is no intention to limit the scope of the present disclosure to the embodiments described below, and that those skilled in the art, having the benefit of the teachings of this disclosure, 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 or scope of the invention.

In addition, the terms used below are selected for convenience of explanation. Therefore, in order to grasp the technical contents of the present disclosure, they should be interpreted appropriately in accordance with the technical idea of the present disclosure without being limited to the prior meaning.

2 to 4 are views showing a fire-fighting sprinkler according to an embodiment of the present invention, FIG. 2 is a perspective view of a sprinkler, FIG. 3 is an exploded perspective view, and FIG. 4 is an exploded side view.

As described above with reference to FIG. 1, the fire-fighting sprinkler according to an embodiment of the present invention includes a space between a ceiling slab 1 of a building and a ceiling finishing material 5 made of a gypsum board or the like Respectively.

2 to 4, the fire fighting sprinkler according to an embodiment of the present invention includes a fixing bracket 70 fixed to a ceiling slab to support a reducer 60, A height adjuster bolt 60 which is disposed between the fixing bracket 70 and the reducer 60 so as to adjust the height of the reducer 60, (80).

Each of the constitutions of the present invention will be described in detail.

First, the fixing bracket 70 is formed in a memory structure as a whole. The horizontal bracket 71 and the vertical bracket 75 are divided to be assembled in a state in which the angle is adjusted in the horizontal direction.

The horizontal bracket 71 is fixed to the ceiling slab (1 in Fig. 1). The horizontal bracket 71 is formed with an elongated slot 71a for engaging the anchor bolts for ceiling fixation. 71b are formed.

Particularly, in the horizontal bracket 71, a fastening hole 73b is formed in the fastening portion 73 to be engaged with the vertical bracket 75, and a fitting hole 73a is formed at a predetermined interval in the circumferential direction around the fastening hole 73b Is formed. The engaging portion 73 of the horizontal bracket 71 will be described below again.

The vertical bracket 75 is vertically connected to the horizontal bracket 71. The vertical bracket 75 has a fitting hole 75a for vertically adjusting the height of the bracket coupling portion 63 of the reducer 60, And bent portions 75b are formed on both sides for reinforcing the rigidity.

A bolt support 77 for height adjustment is formed at the lower end of the vertical bracket 75 in the direction of the reducer 60.

The bolt support portion 77 is bent in the horizontal direction, that is, in the direction of the reducer 60, at the lower end of the vertical bracket 75. The overall length and width of the bolt support portion 77 may be appropriately adjusted so long as the height adjustment bolt 80 can be supported. And a bolt hole 77a into which a height adjusting bolt 80 is inserted is formed in the middle portion.

Particularly, the vertical bracket 75 has an engaging portion 76 bent in the horizontal direction at an upper end thereof. The engaging portion 76 is in close contact with the bottom of the engaging portion 73 of the horizontal bracket 71 So that it can be assembled to the horizontal bracket 71 by the fastening means.

A fastening hole 76b is formed in the engaging portion 76 of the vertical bracket 75 so as to be assembled with the fastening means at a position which is integrated with the fastening hole 73b formed in the fastening portion 73 of the horizontal bracket 71 do. Fixed projections 76a are formed on both sides of the fastening holes 76b so as to be inserted into the fitting holes 73a of the horizontal bracket 71 to be seated.

The engaging portion 76 of the vertical bracket 75 is formed to protrude upward and the engaging portion 73 of the horizontal bracket 71 is formed with a fitting hole 76a into which the fitting projection 76a is inserted. (73a) are formed. The fitting projections 76a and the fitting holes 73a are formed at regular intervals in the circumferential direction around the fastening holes 76b and 73b. In the drawing, two alignment protrusions 76a are formed, and a plurality of alignment holes 73a are formed. This will be described in detail below with reference to FIGS. 5 and 6. FIG.

Although the fitting hole 73a formed in the coupling portion 73 of the horizontal bracket 71 is formed in a hole structure in the above example, the groove 73a may be inserted into the fitting protrusion 76a, The present invention is not limited thereto. Alternatively, the horizontal bracket 71 may be provided with a fitting projection projecting downward, and a fitting hole or fitting groove into which the fitting projection is inserted may be formed on the vertical bracket 75 side.

The fastening means assembled to the fastening holes 76b and 73b may be composed of the bolts 78 and the nuts 79 as illustrated in the figure. The bolts 78 can be fastened to the inner surface of the fastening hole 73b or the fastening holes 76b and 73b without forming the nut 79. [ This is to prevent the horizontal bracket 71 from being spaced from the ceiling due to the nut 79.

For the same reason, it is also possible to assemble the horizontal bracket 71 and the vertical bracket 75 using other well-known fastening methods such as a riveting method depending on the conditions of execution, without being limited thereto.

Next, a water supply pipe (50) for supplying water for fire extinguishing is connected to one end of the reducer (60), and a sprinkler head is assembled to the lower end of the other end.

In the drawing, reference numeral 66 denotes a nipple coupled to the lower end of the reducer 60. The sprinkler head can be engaged with the nipple 66 or the sprinkler head can be engaged with the nipple removed.

The reducer 60 is provided with a bracket engaging portion 63 protruding horizontally from the body portion 61 to be engaged with the vertical bracket 75 of the fixing bracket 70, As shown in FIG.

At this time, a guide groove 64 is formed at the end of the bracket coupling part 63 so as to be fitted into the coupling hole 75a of the vertical bracket 75. It is preferable that the guide groove 64 is properly formed to have a depth capable of moving up and down in a state of being coupled to the vertical bracket 75.

The bracket coupling portion 63 is formed with a fastening hole 65 for fastening the height adjusting bolt 80. The fastening hole 65 is formed at a position It is preferable that it is made of a female screw so that the height can be changed.

The height adjusting bolt 80 is inserted between the vertical bracket 75 and the body portion 61 of the reducer so as to penetrate the bolt supporting portion 77 and the bracket coupling portion 65, And the height of the light emitting diode.

The height adjusting bolt 80 is rotatably coupled to the bolt supporting portion 77 of the vertical bracket 75 in a state where the upward and downward movement is limited and is screwed to the bracket connecting portion 63 of the reducer 60 Structure.

For this purpose, it is preferable that the bolt 80 for height adjustment has a structure in which a male screw is not formed at a portion to be inserted into the bolt support portion 77, and the vertical movement restricting washer 82 is preferably coupled to this portion.

Therefore, when the height adjusting bolt 80 is rotated, the reducer 60 coupled to the bolt is moved in the vertical direction, whereby the height of the sprinkler head can be appropriately adjusted.

Preferably, the reducer 60 is formed of the same material as the water supply pipe 50.

In the case where the water supply pipe 50 is formed of CPVC (chlorinated polyvinyl chloride) material, the reducer 60 is formed of CPVC which is the same material as the water supply pipe 50. The CPVC material is a material that improves the physical properties by causing chlorination reaction of PVC. It is a synthetic resin which is superior in heat resistance, pressure resistance, mechanical strength and chemical properties compared with general PVC and is a material suitable for fire fighting equipment.

If the reducer 60 is formed of the same material as the water supply pipe 50, there is a possibility that the gap between the shrinkage and expansion due to the difference in materials may cause a gap or damage due to excessive pressure. It is possible to drastically reduce leakage or breakage, thereby reducing unnecessary maintenance costs, making it possible to provide a more economical and stable firefighting facility, and to reduce the installation cost by eliminating the need for additional components such as connection pipes have.

5 and 6 are views for explaining a state of use of a fire-fighting sprinkler according to an embodiment of the present invention.

5 and 6). In the case where it is difficult to install the fixing bracket 70 and the water supply pipe 50 in a conventional manner, the fixing bracket 70 and the water supply pipe 50 are formed to be substantially straight Or a method of bending and connecting the water supply pipe 50 is used.

However, since the horizontal bracket 71 and the vertical bracket 75 are configured to be rotatable relative to each other, the fixing bracket 70 of the present invention can change the angles appropriately as shown in FIGS. 5 and 6 according to the sprinkler installation environment, Can be installed.

Since the vertical bracket 75 and the horizontal bracket 71 are provided with the fitting protrusions 76a and the fitting holes 73a into which the fitting protrusions 76a are inserted, it is easy to adjust the angle and the bolts 78 are fastened The assembly angle is not changed after being fastened to the screw tab formed in the groove 73b or fastened to the nut 79 as shown in the figure, so that the initial installation state can be maintained for a long time.

FIGS. 7 and 8 are exploded side views showing a fire-fighting sprinkler according to another embodiment of the present invention, and cross-sectional views taken along line A-A of FIG.

For reference, the same reference numerals are assigned to the same constituent parts as those of the above-described embodiment of the present invention, and repeated description thereof will be omitted.

The fire suppression sprinkler according to another embodiment of the present invention is constructed such that the bolt support portion 77 is coupled to the reducer main body portion 61 so that the vertical bracket 75 can be more stably engaged without being shaken by the reducer 60, .

The coupling groove 62 is formed on the rear surface of the body 61. The bolt support 77 is formed with the coupling groove 62 at the entrance of the bolt hole 77a, The coupling body 77b formed of the projecting portion and the groove portion is formed so as to move up and down along the coupling groove. Referring to the cross section shown in FIG. 8, a coupling groove 62 is formed while protruding in a 'T' shape from the reducer main body portion 61, and a 'T' shaped structure is inserted from the vertical bracket 75 The couplings 77b are formed and configured to be mutually coupled.

The bracket coupling portion 63 is coupled to the coupling hole 75a of the vertical bracket 75 and the lower portion of the lower bracket 75 is coupled to the vertical bracket 75 via the coupling groove 62. [ In a state where the bolt 80 is coupled to the coupling body 77b, the bolt 80 can be stably moved up and down without any shaking when rotating the height adjusting bolt 80, and a stable installation state can be maintained even after the installation of the sprinkler is completed.

Other configurations can be configured to be the same or similar to the configuration of the above-described embodiment of the present invention, and therefore repeated description thereof will be omitted.

50: Water supply pipe 60: Reducer
61: body portion 62: engaging groove
63: Bracket coupling portion
64: guide groove 65: fastening hole
70: Fixing bracket 71: Horizontal bracket
71a: Slot 71b:
73: engaging portion 73a: fitting hole
73b: fastening hole 75: vertical bracket
75a: coupling hole 75b:
76: engaging portion 76a: fitting projection
76b: fastening hole 77: bolt support
77a: Bolt hole 77b: Coupling
78: bolt 79: nut
80: Height adjusting bolt 82: Washer

Claims

A fixing bracket having a horizontal bracket to be fixed to the ceiling, a vertical bracket connected to the horizontal bracket in the vertical direction, and a bolt support portion bent in the direction of the reducer in the vertical bracket; A reducer having a bracket coupling portion protruding from a reducer main body portion in which a sprinkler is installed and coupled to a vertical bracket of the fixing bracket so as to be movable up and down along the vertical bracket; And a height adjusting bolt inserted through the bolt support portion and the bracket coupling portion between the vertical bracket of the fixing bracket and the reducer main body so as to adjust the height of the reducer,
The fixing bracket has a structure in which a horizontal bracket and a vertical bracket are divided so that the fixing bracket can be assembled in a state in which the angle is adjusted in the horizontal direction,
The vertical bracket is configured to be coupled to the horizontal bracket by fastening means in a state where the horizontal bracket is in tight contact with the bottom of the horizontal bracket,
The fitting portion of the vertical bracket has a fitting protrusion formed on the upper portion thereof, and a fitting hole or a fitting groove into which the fitting protrusion is inserted is formed in the horizontal bracket,
A coupling part of the vertical bracket and a horizontal bracket to which the coupling part is assembled are formed with coupling holes to be assembled by coupling means,
Wherein the fitting protrusions and the fitting holes are formed at regular intervals in a circumferential direction around the fastening holes.

delete

The method according to claim 1,
Wherein the reducer is formed of the same material as the water supply pipe.

The method of claim 6,
Wherein the reducer and the water supply pipe are made of CPVC (Chlorinated Polyvinyl Chloride) material.

The method according to claim 1,
The radial shafts are formed with coupling grooves on one side in the vertical direction,
Wherein the vertical bracket is formed with a coupling member coupled to the coupling groove.