JP6482133B2 - Water stop device - Google Patents

Description

  The present invention can secure a water stoppage between a tubular body and a wall when the tubular body is passed through a wall, and even when the tubular body has a protruding portion. The water stop device can be easily and quickly installed.

  For example, Patent Document 1 discloses an example of a water stop device for securing water stoppage between a tubular body and a wall when a tubular body in which cables, conduits, pipes, or the like are passed through a wall of a building. Has been. Hereinafter, this water stop device is referred to as a conventional water stop device and will be described with reference to the drawings.

  3 is a perspective view showing a conventional water stop device main body and a sleeve into which the conventional water stop device main body is inserted, and FIG. 4 is a perspective view showing a module housed in the conventional water stop device main body.

  The conventional water stop device includes a conventional water stop device main body 21 as shown in FIG. 3 and a module 22 as shown in FIG.

  The conventional water stop device main body 21 is made of an elastic material, and includes a cylindrical sealing body 24 in which a module housing portion 23 having a rectangular cross-section in which a prismatic module 22 is housed, and a sealing body 24. The pressure plate 25 is configured to be compressed from both sides to elastically deform the sealing body 24, and the tightening means 26 including bolts and nuts for applying pressure to the pressure plate 25.

  The module 22 is made of an elastic material, and is divided into a module 22a and a module 22b. The modules 22a and 22b include a tubular body housing portion 28a having a semicircular cross section in which a tubular body 27 (see FIG. 4) is housed. 28b is formed.

  In order to pass the tubular body 27 through the wall using the conventional water stop device, the following is performed.

  First, the tubular body 27 is accommodated in the tubular body accommodating portions 28a and 28b of the modules 22a and 22b, the module 22 is attached to the tubular body 27, and then the module 22 is accommodated in the module accommodating portion 23 of the sealing body 24. .

  Next, the sealing body 24 of the conventional water stop main body 21 containing the module 22 is inserted into a cylindrical sleeve 29 (see FIG. 3) fixed through the wall.

  Then, pressure is applied to the sealing body 24 via the pressure plate 25 by the tightening means 26. As a result, the outer portion of the sealing body 24 is elastically deformed and expands, so that the gap between the sealing body 24 and the sleeve 29 is closed. On the other hand, as a result of the inner portion of the sealing body 24 being elastically deformed and contracted, the gap between the module housing portion 23 and the module 22 and the gap between the module 22 and the tubular body 27 are closed.

  As described above, according to the conventional water stop device, when the tubular body 27 in which cables, conduits, pipes, or the like are passed through the wall of the building, the water stoppage between the tubular body 27 and the wall is reliably ensured. can do.

Special table 2009-519700 gazette

  As described above, according to the conventional water stop device, when the tubular body 27 containing cables, conduits, pipes, or the like is passed through the wall of the building, the water stoppage between the tubular body 27 and the wall is ensured. Although it can be secured, there are the following problems.

  When the tubular body 27 has a protruding portion larger than the outer diameter of the hose, such as a fire hose, for example, the hose with the module 22 attached to the module housing portion 23 of the sealing body 25 as it is. It cannot be accommodated in this state. In addition, as a protrusion part of a fire hose, there exist a nozzle | cap | die for water discharge attached to the front-end | tip of a hose, a nozzle | cap | die for a connection attached in the middle of the hose, etc. (refer FIG. 2).

  As a countermeasure, after removing the base from the hose and attaching the module to the hose, the module 22 is accommodated in the module accommodating portion 23, and then the water supply base is attached to the hose. It takes time and is not in time for an emergency.

  In addition, when replacing the water stop device due to deterioration over time, the base is once removed from the hose, and after removing the hose from the water stop device, it will be replaced with a new water stop device. It takes time and effort.

  Accordingly, an object of the present invention is to ensure water-stopping between the tubular body and the wall when the tubular body is passed through the wall, and to make the tubular body easy even if the tubular body has a protruding portion. And it is providing the water stop apparatus which can be attached in a short time.

  The present invention has been made to achieve the above object, and is characterized by the following.

The invention according to claim 1 is a water stop device used when a tubular body having a protruding portion is passed through a wall, and a water stop device body made of an elastic material and a module made of an elastic material attached to the tubular body. The water-stop device main body includes a sealing body in which a module housing portion in which the module is housed is formed, and pressure that compresses the sealing body from both sides to elastically deform the sealing body. The water stop device main body and the module are divided into two parts by dividing the thinnest part of the water stop device main body and the module with the thinnest part in the radial direction. It is divided and it has the characteristic in the division position of the said water stop apparatus main body, and the division position of the said module not wrapping .

The invention described in claim 2 is characterized in that, in the invention described in claim 1, a groove into which a packing is fitted is formed in the sealing body .

The invention described in claim 3 is characterized in that, in the invention described in claim 1 or 2, the tubular body comprises a fire hose having a base as the protruding portion .

  According to this invention, by dividing the water stop device main body, even if the tubular body has a protruding portion, it can be easily and quickly attached to the tubular body without removing the protruding portion from the tubular body.

  Moreover, according to this invention, the possibility of water leakage from the divided portion can be further reduced by dividing the water stop device main body at the thinnest portion.

  Moreover, according to this invention, a water stop effect can be improved more by attaching a packing to a sealing body.

It is a disassembled perspective view which shows the water stop apparatus of this invention. It is a perspective view which shows the attachment state of the water stop apparatus of this invention. It is a perspective view which shows the conventional water stop apparatus main body and the sleeve in which the conventional water stop apparatus main body is inserted. It is a perspective view which shows the module accommodated in the conventional water stop apparatus main body.

  One embodiment of the water stop device of the present invention will be described with reference to the drawings.

  FIG. 1 is an exploded perspective view showing a water stop device of the present invention, and FIG. 2 is a perspective view showing an attached state of the water stop device of the present invention.

  In FIG. 1 and FIG. 2, 1 is a water stop apparatus main body which consists of elastic substances, and 2 is a module which consists of elastic substances. The module 2 has a prismatic shape, and is divided into a module 2a and a module 2b with a thinnest portion as a boundary. The modules 2a and 2b include a tubular body 3 having a protrusion 11 such as a fire hose (see FIG. 2), the tubular body accommodating portions 4a and 4b having a semicircular cross section are formed. By dividing the module 2 with the thinnest part as a boundary, the possibility of water leakage from the divided part can be further reduced.

  The water stop main body 1 is divided into two parts, a water stop main body 1a and a water stop main body 1b, with the thinnest part as a boundary. The water stopping device main body 1 is formed by compressing the sealing bodies 6a and 6b formed with module housing portions 5a and 5b in which the module 2 is housed, and the sealing bodies 6a and 6b from both sides thereof. Are constituted by a plurality of pressure plates 7 for elastically deforming and a fastening means 8 comprising a plurality of bolts and nuts for applying pressure to the pressure plate 7. By dividing the water stop device main body 1 with the thinnest portion as a boundary, the possibility of water leakage from the divided portion can be further reduced. The shape after the sealing bodies 6a and 6b are combined has a cylindrical shape, and the shape after the module housing portions 5a and 5b are combined has a rectangular cross section.

  In addition, by forming the groove 9 (see FIG. 1) on the outer peripheral surfaces of the sealing bodies 6a and 6b and fitting the packing 10 (see FIG. 2) into the groove 9, the waterstop is further improved. At this time, the packing 10 is not in a ring shape, but in a string shape, or a joint portion between the packings 10 is wrapped, or a plurality of grooves 9 (two in this example) are formed as illustrated, If the position of the joint portion of the packing 10 fitted in each groove 9 is shifted, water leakage from the joint portion of the packing 10 can be reliably prevented. Liquid packing may be used, or both of these packings may be used in combination.

  In order to pass the tubular body 3 such as a fire hose through the wall using the water stop device of the present invention described above, the following is performed.

  First, the tubular body 3 having the protruding portion 11 is passed through a cylindrical sleeve 12 (see FIG. 2) fixed through the wall.

  Next, the tubular body 3 is accommodated in the tubular body accommodating portions 4a and 4b of the modules 2a and 2b, and the module 2 is attached to the tubular body 3. Thereafter, the module 2 is attached to the module accommodating portions 5a and 6b of the sealing bodies 6a and 6b. 5b.

  Next, the sealing bodies 6 a and 6 b of the water stop main body 1 containing the module 2 are inserted into the sleeve 12.

  Then, pressure is applied to the sealing bodies 6 a and 6 b through the pressure plate 7 by the tightening means 8. As a result, the outer portions of the sealing bodies 6a and 6b are elastically deformed and expanded, so that the gap between the sealing bodies 6a and 6b and the sleeve 12 is closed. On the other hand, as a result of the inner portions of the sealing bodies 6a and 6b being elastically deformed and contracted, the gap between the module housing portions 5a and 5b and the module 2 and the gap between the module 2 and the tubular body 3 are blocked. It is.

  Thus, according to the water stop device of the present invention, when the tubular body 3 is passed through the wall of the building, even if the tubular body 3 is a fire hose or the like having the protruding portion 11, the tubular body 3 and the wall It is possible to ensure the water-stopping property between them and to attach the protruding portion 11 to the tubular body 3 easily and in a short time without removing the protruding portion 11 from the tubular body 3.

  In addition, when the water stop device is replaced due to deterioration over time, it is not necessary to remove the protrusion 11 from the tubular body 3 once, so that the water stop device can be replaced easily and in a short time.

  Moreover, according to this invention, the possibility of water leakage from the divided portion can be further reduced by dividing the water stop main body 1 with the thinnest portion as a boundary.

  Further, according to the present invention, the water stopping device main body 1 is divided at the thinnest portion so that the dividing position does not wrap with the dividing position of the module 2. The possibility of water leakage can be further reduced.

  Moreover, according to this invention, the water stop effect can be improved more by attaching the packing 10 to the sealing bodies 6a and 6b.

DESCRIPTION OF SYMBOLS 1, 1a, 1b: Water stop apparatus main body 2, 2a, 2b: Module 3: Tubular body 4a, 4b: Tubular body accommodating part 5a, 5b: Module accommodating part 6a, 6b: Sealing body 7: Pressure plate 8: Tightening Attachment means 9: Groove 10: Packing 11: Protruding part 12: Sleeve 21: Conventional water-stop device main body 22, 22a, 22b: Module 23: Module housing part 24: Sealing body 25: Pressure plate 26: Tightening means 27 : Tubular body 28a, 28b: Tubular body accommodating part 29: Sleeve

Claims (3)

In a water stop device used when a tubular body having a protrusion is passed through a wall,
A water blocking device main body made of an elastic material and a module made of an elastic material attached to the tubular body, and the water blocking device main body is a sealed body in which a module housing portion for housing the module is formed. And a pressure plate that elastically deforms the sealing body by compressing the sealing body from both sides thereof, and a tightening means including a bolt and a nut that applies pressure to the pressure plate, and the water stop device main body Each of the modules is divided into two parts by dividing the thinnest part in the radial direction, and the division position of the water stop device main body and the division position of the module are not overlapped. Water stop device. The water stop device according to claim 1, wherein a groove into which a packing is fitted is formed in the sealing body . The water stop device according to claim 1 , wherein the tubular body includes a fire hose having a base as the protruding portion .

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