JP4933366B2 - Sprinkler head and piping connection - Google Patents

Description

  The present invention relates to a sprinkler head and pipe connection tool, which can be installed in a compact manner and firmly in a ceiling space.

  For example, as shown in FIG. 3, the sprinkler head 1 is generally connected downward to the water supply pipe 2 via the connector 3, and is installed near the ceiling so that heat can be quickly detected and discharged in the event of a fire. Yes.

  In addition, most of the water pipe 2 and the connecting tool 3 are housed in the ceiling space 4 so that the entire body does not significantly protrude into the room and the aesthetic appearance is impaired, and only the tip part of the sprinkler head 1 protrudes into the room.

  However, the conventional connector 3 is formed in a vertically long shape as shown in the drawing, and the upper end side thereof is connected to the water supply pipe 2 and the sprinkler head 1 is connected to the lower end side. For this reason, if most of the water supply pipe 2, the connector 3, and the sprinkler head 1 are accommodated in the ceiling space, it is necessary to make the ceiling space considerably large, and the ceiling height of the separation room is limited, and the required ceiling height is reduced. In order to secure it, it was necessary to raise the floor height and raise the whole building accordingly.

  On the other hand, Patent Document 1 also describes an example in which the sprinkler head 1 is connected downward to the water supply pipe 2 (branch pipe 18) via the connector 3 (box body 24).

JP-A-10-295844

  However, since the sprinkler head 1 is attached to the water supply pipe 2 along with the connector 3 so as to extend downward for a predetermined length, the sprinkler head 1 may vibrate due to the high water pressure at the time of water discharge, which may interfere with water discharge. It was.

  In particular, the device disclosed in Patent Document 1 does not have a flat shape so that it can be accommodated in a narrow ceiling space, so that it is necessary to enlarge the ceiling space in order to attach the sprinkler head. Moreover, since the sprinkler head and the connection tool are not fixed to the surrounding structures, there is a possibility that the vibration at the time of water discharge is large and hinders water discharge.

  The present invention has been made in order to solve the above-described problems, and includes a sprinkler head and a pipe that can be stored compactly in a ceiling space and can be firmly installed so as not to vibrate due to high water pressure during water discharge. The object is to provide a connector.

Fitting of the sprinkler head according to claim 1, wherein the pipe is connected to the pipe connection portion which opens laterally into the rear end portion of the connection tool body, and the sprinkler head connection portion opens downward in the vicinity of the distal end portion, and a tip portion possess a fin-like fitting part for indirectly fixing the jig body for a structure, the connecting device main body, the upper surface is horizontal and width constant, vertically from the pipe connection portion to the sprinkler head connecting portion width becomes gradually narrower, in which the vertical width of the sprinkler head connection unit is characterized that you have smaller than in the vertical direction of the width of the pipe connection portion.

  The present invention enables the connection tool main body and the sprinkler head to be indirectly fixed to the structure through the mounting portion, and effectively suppresses the vibration in the vicinity of the sprinkler head and the connection portion caused by high-pressure water discharge from the sprinkler head. It is what I did.

  The shape of the attachment portion is not particularly limited, but it can be easily processed and compactly formed by forming it in a fin shape. The attachment portion may be formed integrally with the connection tool main body, or may be formed separately from the connection tool main body and retrofitted by screwing or the like.

  In addition, here, the structure is a slab, a beam, etc. Even when a sprinkler head is mounted under a beam having a large beam formation (beam height), a high ceiling height can be secured by using the present invention. Can do.

Moreover, fitting of the sprinkler head and the pipe of the present invention is substantially the upper surface horizontal, it is characterized in that the width of the vertical direction is smaller than the vertical width in the pipe connecting portions in the sprinkler head connecting portion .

  Even if the ceiling height is extremely small, the present invention has a flat overall shape of the connection tool and a shape that can absorb part of the height of the sprinkler head at the height of the connection tool. The water pipe and sprinkler head can be connected to each other, and the floor height of the building can be suppressed while securing the necessary ceiling height.

Moreover, fitting of the sprinkler head and the pipe of the present invention, it is characterized in that the width of the front Symbol vertically from the pipe connecting portion to the sprinkler head connecting portion is gradually narrowed.

  The sprinkler head and pipe connector according to claim 4 is the sprinkler head and pipe connector according to claim 1, 2, or 3, wherein the attachment portion is formed integrally with the connector body. To do.

  In the present invention, it is possible to reduce the manufacturing cost by integrally forming the attachment portion with the connector main body.

Incidentally, fitting of the sprinkler head and the pipe of the present invention may be a mounting portion for attaching stop preparative attaching portion to the fixing bracket or a fixing member raised or falling was suspended in the ceiling. In this case, as the fixing bracket or the fixing member, for example, an angle member that can be easily obtained by bending a steel plate or the like can be used.

Further, sprinkler head, said claims 1, 3 or 4 connector and sprinkler head described can be made integrally formed.

By integrally forming the connector and the sprinkler head of the present invention reduces the number of parts of the sprinkler, Ru Hakare simplification of parts management and construction.

  In the present invention, the overall shape of the connection tool is flat, and a part of the height of the sprinkler head can be absorbed at the height of the connection tool. Is possible. In addition, the floor height of the building can be reduced by that amount, which is economical.

  In addition, since the connector is fixed in the vicinity of the sprinkler head via the attachment portion at the tip of the connector, it effectively suppresses the vibration in the vicinity of the sprinkler head and the connection caused by high-pressure water discharge from the sprinkler head. Can do.

  1 and 2 show an example of the present invention, in which a sprinkler head 1 and a water supply pipe 2 are connected via a connector 3. Further, most of the sprinkler head 1, the water supply pipe 2 and the connector 3 are accommodated in the ceiling space 4, and only the tip portion 1 a of the sprinkler head 1 slightly protrudes from the ceiling surface.

  A pipe connecting portion 3a that opens laterally is provided at the rear end of the connector main body, and the water supply pipe 2 is connected to the pipe connecting portion 3a. Moreover, the sprinkler head connection part 3b opened downward is provided in the vicinity of the front-end | tip part of a connector main body, and the sprinkler head 1 is connected to the said sprinkler head connection part 3b.

  Furthermore, a fin-like attachment portion 3c is provided at the tip of the connector main body, and the connector 3 is sprinklered by screwing the fin-like attachment portion 3c to the horizontal surface of the structure 5 such as a slab via a fixing bracket 6. It is indirectly fixed to the structure 5 together with the head 1.

  In this case, the fin-like attachment portion 3c is provided symmetrically at the tip of the connector main body as shown in FIGS. 2 (a), 2 (b), and 2 (c), for example. Further, the fin-like attachment portions 3c, 3c are formed integrally with the connector main body. Then, by connecting the fin mounting portions 3c, 3c to a fixing bracket 6 suspended from the structure 5 such as a slab, the connection tool 3 is indirectly fixed to the structure 5 together with the sprinkler head 1. Yes.

  The fin-like attachment portion 3c may be retrofitted by a method such as screwing to the distal end portion of the connector main body.

  As described above, the connection tool 3 and the sprinkler head 1 are indirectly fixed to the structure 5 via the fin-like attachment portion 3 c, so that the sprinkler head 1 and the connection portion generated by high-pressure water discharge from the sprinkler head 1. The vibration in the vicinity can be effectively suppressed.

  The upper end surface 3d of the connector 3 is formed substantially horizontally, and the vertical width W1 of the sprinkler head connecting portion 3b is smaller than the vertical width W2 of the pipe connecting portion 3a. The vertical width is gradually reduced from 3a to the sprinkler head connecting portion 3b.

  By being formed in this way, the overall shape of the connection tool 3 is flat, and a part of the height of the sprinkler head 1 can be absorbed by the height of the connection tool 3, so that the ceiling height is extremely high. Even if it is very small, the water supply pipe 2 and the sprinkler head 1 can be connected to each other, and the floor height of the building can be suppressed while securing the necessary ceiling height, which is highly economical.

It is a longitudinal cross-sectional view in a ceiling place which shows the arrangement | positioning state of a sprinkler head, a water supply pipe, and a connection tool. The inside of the ceiling place which shows the arrangement | positioning state of a sprinkler head, a water supply pipe, and a connection tool is shown, (a) is a longitudinal cross-sectional view, (b) is a cross-sectional view, (c) is a partial end view of a connection tool. It is a longitudinal cross-sectional view in the ceiling place which shows the prior art example of the state of arrangement | positioning of a sprinkler head, a water supply pipe, and a connection tool.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sprinkler head 2 Water supply pipe 3 Connection tool 3a Piping connection part 3b Sprinkler head connection part 3c Fin-like attachment part (attachment part)
3d Upper end surface of connecting tool 4 Ceiling space 5 Structure

Claims (4)

A connecting device for connecting a sprinkler head and a water supply pipe disposed in a ceiling, a pipe connecting portion that opens laterally at a rear end portion of the connecting device main body, and a sprinkler that opens downward near a tip portion possess a head connecting portion, and a fitting body for a structure on the tip portion and a fin-shaped mounting portion for indirectly fixed, the connecting device main body, the upper surface is horizontal and width constant, the pipe connection wherein the parts are subjected sprinkler head connecting portion is vertical width gradually narrower, vertical width of the sprinkler head connection unit is characterized that you have smaller than in the vertical direction of the width of the pipe connection portion Sprinkler head and piping connector. The cross-sectional area of the flow path of the water flowing in from the pipe connection part gradually decreases from the pipe connection part to the sprinkler head connection part, and the cross-sectional area in the sprinkler head connection part is the cross-sectional area in the pipe connection part. The sprinkler head / piping connector according to claim 1, wherein the sprinkler head is smaller than the sprinkler head. The path width in the sprinkler head connection part in the vertical path width of the flow path of water flowing in from the pipe connection part is less than or equal to ½ of the path width in the pipe connection part. Item 3. A sprinkler head and piping connector according to item 1 or 2.   4. The sprinkler head and piping connector according to claim 1, wherein the attachment portion is integrally formed with the connector main body.

Images