JP2010001978A - Bedewing prevention device for supporting pipe - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bedewing prevention device for supporting a pipe, for preventing bedewing generated owing to a reduced thickness by means of supplementing heat retaining performance decreasing in a portion reduced in thickness as well as by preventing a thickness reduction of a thermal covering layer as much as possible when supporting a coolant-carrying cladding copper tube equipped with the thermal covering layer. <P>SOLUTION: A supporting body 20 is formed which is mounted between a tube supporting member 10 and the thermal covering layer Q. The supporting body 20 supports the underside of the thermal covering layer Q of a pipe P by utilizing an area wider than a supporting area of the tube supporting member 10. A buffer material 30 with heat-retaining performance is arranged in a supporting surface of the supporting body 20. The buffer material 30 alleviates the thickness reduction 30 of the thermal covering layer Q caused by a load of the pipe P and is provided so as to supplement the heat-retaining performance of the portion of the reduced thickness in the thermal covering layer Q. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an anti-condensation device for supporting a pipe that is suitable for horizontally laying a pipe such as a copper pipe for air conditioning, a water pipe, and a gas cladding pipe using a pipe support fitting, etc. The present invention relates to a dew condensation prevention tool for supporting a pipe, which can prevent the thinning of a part of the heat insulating material and eliminate various inconveniences such as dew condensation caused by the thinning.

  When a pipe such as a coated copper pipe for air conditioning is hung horizontally, a pipe suspension band as shown in Patent Document 1, for example, is used. On the other hand, refrigerant coated copper tubes such as air conditioning coated copper tubes and gas coated tubes are provided with a heat insulating coating layer made of a heat insulating material such as foamed polyethylene or polyurethane on the outside of the piping. For this reason, when the pipe is supported from the outside of the heat insulation coating layer, the load of the pipe is concentrated on the portion where the suspension band for the pipe is in contact, and local compression occurs, so-called compression creep deformation occurs. As a result, the heat insulating coating layer formed to a predetermined thickness is thinned, the effect of the heat insulating material is partially lost, and condensation occurs in the thinned portion.

  In particular, if dew condensation occurs on the thinned part, this condensation may form water droplets in the long-term use process and fall on the back of the ceiling or various equipment, etc., which may corrode the surroundings or generate mold. It was. For this reason, conventionally, it may be necessary to replace a ceiling board that has been damaged by mold or repair corroded equipment.

Therefore, conventionally, attempts to prevent the thinning of the heat insulation coating layer by increasing the contact width of the piping suspension band as much as possible are increasing.
Japanese Patent Laid-Open No. 2005-3014

  However, when the contact width of the piping suspending band is formed wide, for example, even when the width of the piping suspending band of 25 mm width is changed to about three times the 80 mm width, the heat insulation coating layer after two weeks is Experiments have shown that the thickness is reduced to half the thickness.

  If the pipe suspension band is further widened to prevent thinning, the necessary band width is about 100 to 250 mm, and the pipe suspension band becomes extremely large and bulky. As a result, there are inconveniences in transportation, storage, and workability, and there are many inconveniences in practical use, such as an extremely expensive piping suspending band and construction costs rising.

  In addition, even when a wide piping suspension band is used directly for the heat insulation coating layer, or when piping is suspended through a substantially bowl-shaped receiving material, etc., the heat insulation coating layer can be thinned over a long period of use. It is difficult to prevent completely.

  Therefore, the present invention was created to solve the above-mentioned problems, and when supporting a coated copper pipe for refrigerant having a heat insulation coating layer, etc., while preventing the thinning of the heat insulation coating layer as much as possible, By compensating for the heat retention that decreases at the part, piping that can eliminate various inconveniences such as condensation and mold caused by this thinning, or decrease in the heat retention effect, and achieve these effects at low cost The object is to provide a support dew condensation prevention device.

  In order to achieve the above-mentioned object, the first means in the present invention is to prevent dew condensation for pipe support attached to the pipe support 10 that supports the pipe P having the heat insulation coating layer Q provided on the outside together with the heat insulation coating layer Q. A holding body 20 that is mounted between the pipe support 10 and the heat insulation coating layer Q and holds the lower surface of the heat insulation cover layer Q of the pipe P in an area larger than the support area of the pipe support 10. The buffer material 30 having heat retaining properties is arranged on the holding surface of the holding body 20, and the thickness decrease of the heat insulating coating layer Q due to the load of the pipe P is reduced by the buffer material 30, and the wall thickness of the heat insulating coating layer Q is decreased. This is because the cushioning material 30 is provided so as to supplement the heat retaining properties of the portion.

  The holding body 20 of the second means is formed of a synthetic resin plate or a metal plate and has a substantially bowl shape that is curved in a substantially semicircular cross section.

  The cushioning material 30 of the third means is any one of a polyethylene foam material, a urethane foam material, a vinyl chloride foam material, a hard rubber material, a sponge rubber material, a felt material, a resin-based foam cushion material, or a combination of these materials, or A cushioning material 30 in which the material is combined with another material is used.

  As a fourth means, a locking portion 21 that locks the longitudinal side surface of the pipe support 10 is provided on the surface of the holding body 20 that is in contact with the pipe support 10.

  In the fifth means, a pressure-sensitive adhesive or adhesive for fixing the buffer material 30 is disposed on the surface of the holder 20 on which the buffer material 30 is disposed.

  The sixth means is that the holding member 20 is provided with a locking projection 23 for locking the buffer material 30 at an appropriate position on the peripheral edge of the surface on which the buffer material 30 is disposed.

  The seventh means is that the cushioning material 30 is integrally formed on the surface of the holder 20 where the cushioning material 30 is disposed.

  The pipe support 10 of the eighth means is formed of a metal material or a synthetic resin material, and is connected to a suspension member such as a suspension bolt R, and the pipe P is fixed to the connection part 11. Having the holding part 12 to hold is a means for solving the problem.

  According to the first, second, and third aspects of the present invention, the lower surface of the heat insulation coating layer Q of the pipe P is mounted between the pipe support 10 and the heat insulation coating layer Q and has a larger area than the support area of the pipe support 10. By forming the holding body 20 to be held, placing the buffer material 30 having heat retention on the holding surface of the holder 20, and reducing the thickness reduction of the heat insulating coating layer Q due to the load of the pipe P by the buffer material 30 Moreover, it becomes possible to prevent the thinning of the heat insulation coating layer Q as much as possible. In addition, since the buffer material 30 is provided so as to supplement the heat retaining properties of the thickness-reduced portion of the heat-insulating coating layer Q, dew condensation generated from the thickness-decreasing portion of the heat-insulating coating layer Q can be reliably prevented. . As a result, it was possible to eliminate various inconveniences such as generation of mold accompanying dew condensation, replacement of the ceiling board, repair of corroded various equipment, etc., or a decrease in heat retention effect. In addition, these effects can be realized at low cost.

  According to the fourth aspect of the present invention, the locking portion 21 for locking the longitudinal side surface of the pipe support 10 is provided on the surface supported by the pipe support 10, whereby the attachment work of the dew condensation prevention tool of the present invention can be easily performed.

  According to the fifth, sixth, and seventh aspects, since the cushioning material 30 can be stably disposed on the surface on which the cushioning material 30 is disposed, the mounting work of the holding body 20 can be facilitated.

  According to the eighth means, the pipe support 10 used in the present invention can use various pipe supports 10 that are usually used in pipe suspension work, and can be used for an extremely large number of pipe suspension works. Can do.

  Thus, according to the dew condensation prevention device of the present invention, when supporting a coated copper pipe for refrigerant having a heat insulation coating layer, etc., while keeping the heat insulation coating layer thinning as much as possible, the heat retention property that decreases at the thinned portion. By supplementing, various inconveniences such as condensation and mold caused by this thinning are eliminated, and various inconveniences such as a decrease in heat retention effect can be solved, and these effects can be realized at low cost. It plays.

  The best mode of the dew condensation prevention structure of the present invention is mounted between the pipe support 10 and the heat insulation coating layer Q, and holds the lower surface of the heat insulation cover layer Q of the pipe P in an area wider than the support area of the pipe support 10. The holding body 20 is formed. A cushioning material 30 having heat retaining properties is disposed on the holding surface of the holding body 20. The holding body 20 has a substantially half cross section formed of a synthetic resin plate. A locking portion 21 that locks the longitudinal side surface of the pipe support 10 is provided on the surface of the holding body 20 that is supported by the pipe support 10. The pipe support 10 is formed of a metal material, and includes a connection part 11 that is connected to a suspension member such as a suspension bolt R, and a holding part 12 that is fixed to the connection part 11 and holds the pipe P. Achieve the initial objectives.

  An embodiment of the present invention will be described below. The dew condensation prevention tool of the present invention is attached to a pipe support 10 that supports a pipe P such as a refrigerant pipe, for example, and a holding body 20 disposed between the pipe support 10 and the heat insulation coating layer Q of the pipe P, and It is comprised with the heat insulating buffer material 30 (refer FIG. 1).

  The piping support 10 is a member formed of a metal material or a synthetic resin material, and supports the piping P by suspending the piping P together with the covering layer Q on a suspension bolt R or the like (see FIG. 1). The pipe support 10 may have a connecting part 11 connected to a suspension member such as a suspension bolt R and a holding part 12 fixed to the connecting part 11 and holding the pipe P (FIG. 7). reference). Therefore, the pipe support 10 can use a metal pipe support 10 already used in piping work or a belt-like pipe support 10 made of synthetic resin (see FIG. 8). In the case of this figure, as for the connection part 11, a part of connection hole opened many along the belt-like longitudinal direction is suitably selected and used as the connection part 11. FIG. Further, in the belt-like pipe support 10 in which the connection hole is not opened, a portion that is substantially fixed to the suspension bolt R, the wall surface, or the like becomes the connection portion 11 (not shown). However, it is also possible to separately provide a pipe support 10 suitable for mounting a holding body 20 described later. For example, a locking projection 23 is provided on the outer surface of the holding body 20 (see FIG. 6), and a locking groove (not shown) that engages with the locking projection 22 is formed in a part of the holding portion 12. It is like the pipe support 10 which opened.

  The pipe P supported by the pipe support 10 is an air-conditioning coated copper pipe mainly having a heat insulation coating layer Q such as foamed polyethylene or foam polyurethane on the outside of the copper pipe. It may be a pipe P such as a water pipe or a gas cladding pipe provided. In the case of a coated copper pipe for air conditioning, it is used as a gas pipe or a liquid pipe, and two heat-insulated coated copper pipes are used as a set. In this case, when two pipes P having different diameters are supported on the receiving plate member 20 to be described below, the heat insulating coating layers Q provided on the upper and lower pipes P are in contact with each other. Deformation can be prevented (see FIG. 7).

  The receiving plate member 20 is a member having a holding area wider than the width of the holding portion 12 of the pipe support 10 and is mounted inside the holding portion 12 of the pipe support 10 (see FIG. 1). The receiving plate material 20 is formed of a synthetic resin material or a metal material, and has a substantially bowl shape curved in a substantially semicircular cross section in the illustrated example. In addition, the shape of the holding body 20 is not limited to the illustrated example. In addition, the holding body 20 has a shape that can hold the pipe P, such as a plate having elasticity or a substantially circular cross section surrounding the heat insulation coating layer Q of the pipe P. I need it. And when the upper surface and side surface of the heat insulation coating layer Q contact the holding | maintenance part 12, the holding body 20 may be extended to this contact part and the buffer material 30 mentioned later may be distribute | arranged.

  The holding body 20 shown in FIG. 2 and FIG. 3 is provided with a locking portion 21 that locks the longitudinal side surface of the pipe support 10 on the surface with which the pipe support 10 contacts. The locking portion 21 in FIG. 2 is a locking portion 21 that is bent into a substantially U-shaped side surface to form an adhesive piece 21A and a locking piece 21B. According to the locking part 21, the adhesive piece 21A is bonded to the outside of the holding body 20, and the holding part 12 of the pipe support 10 is locked between the pair of locking pieces 21B.

  The locking part 21 shown in FIG. 3 shows the locking part 21 obtained by partially cutting and raising the board surface of the holding body 20. In this locking part 21, the holding part 12 of the pipe support 10 is locked between the pair of cut and raised pieces 21C.

  The holding body 20 shown in FIGS. 4 and 5 is provided with a locking projection 22 for locking the cushioning material 30 at an appropriate position on the peripheral edge of the surface on which the cushioning material 30 is disposed. The locking projection 22 shown in FIG. 4 is formed by bending the longitudinal side edge of the holding body 20 toward the cushioning material 30 side. On the other hand, the locking protrusion 22 shown in FIG. 5 is formed by bending the side edge of the longitudinal end portion of the holding body 20 toward the buffer material 30 to form the locking protrusion 22. By providing the locking protrusion 22 in this way, it is possible to prevent the buffer material 30 from shifting when the dew condensation prevention tool of the present invention is mounted. Although not shown in the drawing, the buffer material 30 can be prevented from being displaced by arranging an adhesive or an adhesive for fixing the buffer material 30 on the surface of the holding body 20 on which the buffer material 30 is disposed.

  The buffer material 30 is disposed on the holding surface of the holding body 20 and has a buffer property or elasticity that prevents the heat insulation coating layer Q from being thinned as much as possible. Further, a material that has a heat retaining effect on the buffer material 30 itself and supplements a decrease in heat retaining property that occurs in the thinned portion is selected. For example, polyethylene foam material, urethane foam material, PVC foam material, hard rubber material, sponge rubber material, felt material, resin-based foam cushion material, a combination of these materials, or a combination of these materials with other materials The buffer material 30 is suitable.

  In addition, any material other than these materials can be used as the cushioning material 30 as long as the material has buffering properties or elasticity and thermal insulation properties that can ease the thinning of the thermal insulation coating layer Q. Further, for example, a soft synthetic resin material cushioning material 30 is formed in two layers on the hard synthetic resin material retaining body 20, and the retaining body 20 and the cushioning material 30 are integrally molded, whereby the retaining body 20 and the cushioning material 30 are formed. Can be integrated with each other (not shown). The cushioning material 30 in FIG. 1 is provided on the lower surface of the heat insulation coating layer Q, but is not limited to the illustrated example, and may be provided at any position where the heat insulation coating layer Q is in pressure contact. In addition, the shape of the holding body 20 can be appropriately changed depending on the position where the cushioning material 30 is disposed.

  In addition, the present invention is not limited to the illustrated example, the design change such as the dimensions and shape of the pipe support 10, the holding body 20, and the cushioning material 30, and the change of the material can be arbitrarily performed. The embodiment can be freely changed without changing the gist of the present invention.

It is a perspective view which shows the mounting state of this invention. It is a perspective view which shows the other Example of the holding body of this invention. It is a perspective view which shows the other Example of the holding body of this invention. It is a perspective view which shows the other Example of the holding body of this invention. It is a perspective view which shows the other Example of the holding body of this invention. It is a perspective view which shows the other Example of the holding body of this invention. It is a perspective view which shows the state with which the other piping support tool was mounted | worn. It is a perspective view which shows the state with which the other piping support tool was mounted | worn.

Explanation of symbols

P Piping Q Covering layer R Hanging bolt 10 Piping support 11 Connecting portion 12 Holding portion 20 Holding body 21 Locking portion 21A Adhesive piece 21B Locking piece 21C Cut and raised piece 22 Locking protrusion 23 Locking protrusion 30 Buffer material

Claims (8)

  An anti-condensation device for supporting a pipe that is mounted on a pipe support that supports a pipe having a heat insulation coating layer on the outside together with the heat insulation coating layer, and is installed between the pipe support and the heat insulation coating layer. A holding body that holds the lower surface of the heat insulating coating layer of the pipe in a larger area than the support area of the support is formed, and a buffer material having heat insulating properties is arranged on the holding surface of the holding body, and the heat insulating coating layer by the load of the pipe is arranged. A dew prevention tool for supporting a pipe, characterized in that the buffer material is provided so that the buffer material can relieve the decrease in wall thickness with a buffer material, and the buffer material supplements the heat retaining property of the reduced thickness portion of the heat insulating coating layer.   The dew prevention tool for pipe support according to claim 1, wherein the holding body is formed of a synthetic resin material or a metal material and has a substantially bowl shape curved in a semicircular cross section.   The cushioning material is a polyethylene foam material, a urethane foam material, a vinyl chloride foam material, a hard rubber material, a sponge rubber material, a felt material, a resin-based foam cushion material, a combination of the materials, or another material for the material. The dew condensation prevention tool for pipe support according to claim 1, wherein a cushioning material in combination is used.   The dew prevention tool for pipe support according to claim 1 or 2, wherein a locking portion for locking the pipe support is provided on a surface of the holding body that is in contact with the pipe support.   The dew prevention tool for pipe support according to claim 1 or 2, wherein a pressure-sensitive adhesive or an adhesive for fixing the buffer material is disposed on a surface on which the buffer material is disposed in the holding body.   The pipe support dew prevention device according to claim 1 or 2, wherein a locking projection for locking the buffer material is provided at an appropriate position on a peripheral edge of a surface on which the buffer material is disposed in the holding body.   The dew prevention tool for pipe support according to claim 1 or 2, wherein the buffer material is integrally formed on a surface of the holding body on which the buffer material is disposed.   The said piping support tool is formed with a metal material or a synthetic resin material, and has a connection part connected with suspension members, such as a suspension bolt, and a holding part fixed to this connection part and holding the said piping. Dew prevention tool for supporting pipes as described.

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