JP2008121325A - Down pipe joint - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a down pipe joint which efficiently treats the drain from an air conditioner together with rainwater, makes neat the appearance of a building, and, even after a down pipe is already installed, is easily installable on a cut and removed portion of the down pipe. <P>SOLUTION: This down pipe joint comprises: a lower side connection pipe part 1 inserted and fitted into the upper end opening of the lower down pipe A1 and an upper side connecting; and receiving pipe part 2 which is arranged continuously with the upper end of the lower side connection pipe part 1 and into which the lower end opening of the upper down pipe A2 is inserted and fitted. An inflow port 4 is opened in the peripheral wall 3 of the upper side connecting and receiving pipe part 2 near the lower end. A hose connection part 5 which is cylindrically formed, opened to the upper side, and into which a drain hole B is inserted and connected, is formed from the inflow port 4 along the outer side of the peripheral wall 3 of the upper side connecting and receiving pipe part 2. The upper side connecting and receiving pipe part 2 is extended longer above the hose connection part 5. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The invention of the present application has a lower connecting tube portion to which a rod is connected and an upper connection receiving tube portion, in which a hose connecting portion into which a drain hose from an air conditioner is inserted and connected is formed It is about.

  Conventionally, in general, a drain hose from an air conditioner or the like is independently constructed separately from a drainage route of rainwater. For example, when an outdoor unit of an air conditioning facility is installed on a veranda, the drain hose is derived from the outdoor unit. The drain hose was provided in a state of hanging from the veranda, and was sometimes drained down to the downstairs. In this case, the appearance of the building was hindered, and there was a problem in terms of drainage.

  In view of this, a gutter joint that can connect a drain hose from an air conditioner or the like has been proposed (Patent Document 1). As shown in FIG. 4, the flange joint is connected to the lower connection cylinder portion 1 that is inserted and fitted into the upper end opening of the lower flange A <b> 1 and the upper end of the lower connection cylinder portion 1. An upper connection receiving tube portion 2 into which the lower end opening of the upper flange A2 is inserted and fitted, and a drain hose B from an air conditioner or the like is inserted and connected to a peripheral wall portion of the upper connection receiving tube portion 2. A hose connection portion 5 is formed.

  In this saddle joint, a part of the peripheral wall portion of the upper connection receiving tube portion 2 is bent and protruded so as to bulge outward to form the hose connection portion 5, and the upper side connection on the opposite side facing this A stopper 10 is provided in the vicinity of the lower end in the receiving tube portion 2. In this case, when the lower end opening portion of the upper collar A2 is inserted and fitted into the upper connection receiving cylinder portion 2, and the opening end of the collar A2 is stopped against the stopper 10, the lower end opening portion of the same collar A2 A gap opening 11 that communicates with the hose connection portion 5 is formed.

Therefore, in this saddle joint, the drain hose B can be inserted and connected to the hose connection portion 5 in a state where both the flanges A2 and A1 are fitted and connected to each other, and the drainage from the air conditioner or the like can be drained. It can be introduced into the inside from the hose B through the hose connection part 5 and the gap opening 11 and can be treated efficiently together with rainwater. As a result, the appearance of the building fits nicely and the drainage problem is solved.
Japanese Patent Laid-Open No. 2001-40840

  However, in the above conventional example, when constructing the tack, it is necessary to attach the tack joint in advance, and in the state after the tack is constructed, a part of the tack is cut and removed. It was difficult to attach a heel joint to the lever.

  That is, since the hose connection portion 5 is formed by bending and projecting a part of the peripheral wall portion of the upper connection tube portion 2 so as to bulge outward, the drain hose B inserted and connected to the hose connection portion 5 is formed. Is securely inserted and the gap opening 11 is formed on the lower side thereof, the lower end opening of the upper flange A2 is inserted and fitted deeply enough to be stopped by the stopper 10 in the upper connection receiving cylinder 2 It is necessary to let

  Therefore, it is necessary that the lower end opening of the upper ridge A2 and the upper end opening of the lower ridge A1 are in close proximity to each other. It is impossible to secure a large interval for mounting. If the distance between the lower end opening of the upper ridge A2 and the upper end opening of the lower ridge A1 is small, the lower end opening of the upper ridge A2 is inserted and fitted into the upper connection receiving cylinder portion 2 and the same. The connecting operation for inserting and fitting the lower connecting cylinder portion 1 into the upper end opening of the lower rod A1, that is, the fitting operation for moving the rod joint up and down becomes difficult.

  The present invention has been made in view of the above-mentioned background art, and the problem is that wastewater from an air conditioner or the like can be efficiently treated together with rainwater, and the appearance of the building fits well and has already been damaged. It is to provide a gutter joint that can be easily attached to this part by cutting and removing a part of the same type even after it has been applied.

  In order to solve the above-mentioned problem, the invention according to claim 1 of the present application is provided continuously with a lower connection cylinder portion inserted and fitted into an upper end opening of a lower collar, and an upper end of the lower connection cylinder portion. And an upper connection receiving cylinder portion into which the lower end opening of the upper flange is inserted and fitted, and an inflow opening is formed in the peripheral wall near the lower end of the upper connection receiving cylinder portion. To form a hose connection part into which the drain hose is inserted and connected to the upper side of the peripheral connection outer wall of the upper connection receiving cylinder part, and the upper connection receiving cylinder part is located above the hose connection part. Long extension.

  The invention according to claim 2 of the present application is characterized in that, in the flange joint according to claim 1, a convex piece projecting in a bowl shape along the upper edge of the inflow port is formed on the inner surface of the peripheral wall of the upper connection tube portion. To do.

  The invention according to claim 3 of the present application is characterized in that, in the flange joint according to claim 1 or 2, the inner peripheral shape of the hose connection portion is formed in a tapered shape so as to become narrower downward.

  The invention according to claim 4 of the present application is the saddle joint according to any one of claims 1 to 3, wherein the upper connection tube portion and the hose connection portion are partitioned by the peripheral wall of the upper connection tube portion. It is characterized by being.

  In the saddle joint that is the invention according to claim 1 of the present application, an inflow opening is formed in the peripheral wall near the lower end of the upper connection receiving cylinder portion, and the cylindrical shape extends from the inflow port along the outer peripheral wall of the upper connection receiving cylinder portion. Since the hose connection part is formed to open upward and the drain hose is inserted and connected, it is possible to smoothly insert and connect the drain hose to the hose connection part from above along the outer peripheral wall of the upper connection tube part. Drainage from the air conditioner, etc. can be introduced from the drain hose through the hose connection and inlet to the inside of the upper connection tube, and then flow down from here to the lower connection tube and the lower tub. They can be processed efficiently together, and the appearance of the building is not complicated and fits nicely.

  In addition, since the upper connection tube portion extends longer than the hose connection portion, a large space is ensured between the lower end opening of the upper heel and the upper end opening of the lower heel. The lower end opening of the upper collar is shifted to the side and inserted into and fitted into the upper connection tube, and the lower connection tube and the upper connection tube are slid upward in this state. After that, return the lower end opening of the upper heel to the original position from the side, and slide the lower connecting cylinder part downward and insert it into the upper end opening of the lower heel. can do.

  Therefore, even after the scissors have already been constructed, when cutting and removing a part of the scissors and attaching the scissors joint to this part, the lower end opening of the upper scissors and the upper end of the lower scissors It can be cut and removed so that the gap with the opening becomes large, and a large gap for attaching the same joint can be ensured. Easy to install.

  In the saddle joint that is the invention according to claim 2 of the present application, in particular, a convex piece that protrudes in a bowl shape along the upper edge of the inflow port is formed on the inner surface of the peripheral wall of the upper connection receiving cylinder portion. Rainwater flowing down from the ridge is guided along the upper surface of the same convex protrusion, making it difficult to flow into the hose connection from the inlet of the upper connection tube, and from the hose connection to the outside. Can be prevented from leaking out.

  In the saddle joint that is the invention according to claim 3 of the present application, in particular, since the inner peripheral shape of the hose connection portion is formed in a tapered shape so as to become narrower downward, Also, it is clamped so as to be strongly tightened by being deeply inserted into the lower part of the hose connection part, and can be reliably inserted and connected.

  In the saddle joint that is the invention according to claim 4 of the present application, in particular, since the upper connection tube portion and the hose connection portion are partitioned by the peripheral wall of the upper connection tube portion, the drain is connected to the hose connection portion. The hose can be inserted and connected more smoothly by sliding along the outer peripheral wall of the upper connection tube from above, and the wall that partitions the upper connection tube and hose connection is shared and compact. The storage material is also reduced.

  1 to 3 show an embodiment corresponding to all of claims 1 to 4 of the present application. The saddle joint of this embodiment includes a lower connecting cylinder portion 1 that is inserted and fitted into the upper end opening of the lower flange A1, and an upper flange connected to the upper end of the lower connecting cylinder portion 1. It has the upper connection receiving cylinder part 2 by which the lower end opening part of A2 is inserted and fitted. In the saddle joint of this embodiment, an inflow port 4 is opened in the peripheral wall 3 near the lower end of the upper connection receiving tube portion 2, and the tubular shape extends from the inflow port 4 along the outer side of the peripheral wall 3 of the upper connection receiving tube portion 2. The hose connection portion 5 is formed to open upward and the drain hose B is inserted and connected, and the upper connection receiving tube portion 2 extends longer than the hose connection portion 5.

  In addition, in the saddle joint of this embodiment, a convex piece 6 protruding in a hook shape along the upper edge of the inflow port 4 is formed on the inner surface of the peripheral wall 3 of the upper connection tube portion 2, and further, the hose connection portion 5 is formed in a taper shape so as to become narrower downward, and the upper connection tube portion 2 and the hose connection portion 5 are partitioned by the peripheral wall 3 of the upper connection tube portion 2. Is.

  Hereinafter, the flange joint of this embodiment will be described in more detail. The rivet joint of this embodiment is integrally injection-molded with synthetic resin. The upper connection receiving cylinder part 2 and the lower connection cylinder part 1 are both cylindrical and are arranged concentrically up and down. The upper connection cylinder part 2 is formed to have a larger diameter than the lower connection cylinder part 1, and the upper flange A2 and the lower flange A1 have the same diameter, and the inner diameter of the upper connection cylinder 2 is smaller. The outer diameters of the flanges A2 and A1 are set substantially equal to each other, and the outer diameter of the lower connecting cylinder portion 1 is set to be approximately equal to the inner diameters of the flanges A2 and A1. The saddle joint here connects a round rod, but the saddle joint of the present invention may connect a square rod.

  The upper connection tube portion 2 preferably has a vertical length dimension that is at least twice that of the lower connection tube portion 1. In the flange joint of this embodiment, the vertical connection dimension is about three times as large. is doing. A cover piece 7 which is cylindrical and has the same diameter as that of the upper connection receiving cylinder portion 2 is provided on the lower end portion of the upper connection receiving cylinder portion 2 so as to extend from the lower connection cylinder portion 1. The drooping dimension is shorter than the vertical dimension of the lower connecting cylinder 1. In this case, the upper end opening edge of the lower flange A1 fitted to the outside of the lower connection cylinder part 1 is inserted and fitted into the gap between the lower connection cylinder part 1 and the cover piece 7. .

  A step portion 8 is formed on the inner periphery of the connecting portion of the upper connection receiving tube portion 2 and the lower connection tube portion 1, and the peripheral wall 3 of the upper connection receiving tube portion 2 on the upper side along the step portion 8. A horizontally long rectangular inlet 4 is opened. The inner surface of the peripheral wall 3 of the upper connection tube portion 2 along the upper edge of the inflow port 4 protrudes inward with a slight downward slope and has a substantially L-shaped cross section with its tip bent downward. The convex piece 6 is projected in a bowl shape. In this case, the rainwater that travels along the inner surface of the upper connection tube portion 2 is guided down along the upper surface of the bowl-shaped convex piece 6, does not bounce off at the stepped portion 8, and does not leak out from the inlet 4.

  A cylindrical hose connection portion 5 is formed on the outer side of the peripheral wall 3 of the upper connection receiving tube portion 2 so as to open upward from the inflow port 4 to the outside. In this case, the upper connection receiving cylinder portion 2 extends longer than the hose connection portion 5, and the hose connection portion 5 has a vertical dimension that is approximately half that of the upper connection receiving cylinder portion 2. Further, the upper connection tube portion 2 and the hose connection portion 5 are partitioned only by the peripheral wall 3 of the upper connection tube portion 2, and the hose connection portion 5 protrudes from the peripheral wall 3 in a substantially semicircular arc shape, The inner peripheral shape is formed in a taper shape that becomes narrower downward.

  The drain hose B from an air conditioner or the like is generally formed in a round pipe shape with a flexible synthetic resin, but the diameter is slightly different depending on the manufacturer, and is inserted into the hose connection portion 5 from its upper opening. Insert connected. At that time, the drain hose B is inserted deeply inwardly and downwardly of the hose connection portion 5, so that the drain hose B is firmly inserted and connected so as to be strongly tightened by a taper action. Further, the inner bottom surface 9 of the hose connection portion 5 is inclined downward toward the inflow port 4 and is continuous with the upper surface of the step portion 8. In this case, the drainage drained from the drain hose B into the hose connection portion 5 is guided and guided from the inner bottom surface 9 of the inclined hose connection portion 5 to the upper surface of the step portion 8 and smoothly introduced and flowed down.

  In addition, when a part of the same scissors is cut and removed after the scissors have already been constructed and a scissor joint is attached to this part, the lower end opening of the upper scissors A2 and the upper end opening of the lower scissors A1 Since a large space is ensured between the upper and lower portions, the lower end opening of the upper ridge A2 does not hit the protruding piece 6 protruding in the shape of the ridge. When the upper flange A2 and the lower flange A1 are connected using the above-described flange joint, the upper flange A2 may be deeply inserted and fitted into the upper connection tube portion 2. In this case, the lower end opening edge of the upper ridge A2 is not abutted by the protruding piece 6 protruding in the shape of the ridge and does not block the inflow port 4, and the protruding piece 6 serves as a stopper and is connected to the upper side. The communication state between the receiving tube part 2 and the hose connection part 5 is ensured.

  Therefore, in the saddle joint of this embodiment, the inflow port 4 is opened in the peripheral wall 3 near the lower end of the upper connection receiving tube portion 2, and extends from the inflow port 4 along the outer side of the peripheral wall 3 of the upper connection receiving tube portion 2. Since the hose connection portion 5 is formed in a cylindrical shape and opens upward, the drain hose B can be smoothly inserted and connected to the hose connection portion 5 along the outside of the peripheral wall 3 of the upper connection receiving tube portion 2 from above. The drainage drainage from the air conditioner or the like is introduced from the drain hose B through the hose connection portion 5 and the inflow port 4 into the upper connection tube portion 2, and from here the lower connection tube portion 1 and the lower rod A1 It can flow down and be treated efficiently with rainwater, and the appearance of the building is not complicated and fits nicely.

  In addition, since the upper connection tube portion 2 extends longer than the hose connection portion 5, the distance between the lower end opening of the upper heel A2 and the upper end opening of the lower heel A1 is increased. It can be secured greatly. That is, the lower end opening portion of the upper collar A2 is shifted to the side and inserted and fitted into the upper connection tube portion 2, and the lower connection tube portion 1 together with the upper connection tube portion 2 in this state. , And the lower end opening of the upper collar A2 is returned to the original position from the side, and the lower connecting cylinder 1 is slid slightly downward to lower the lower collar. It can be inserted and fitted into the upper end opening of the collar A1.

  Therefore, even after the scissors have already been constructed, when a part of the scissors is cut and removed and a scissor joint is attached to this part, the lower end opening of the upper scissors A2 and the lower scissors A1 It is possible to cut and remove with sufficient margin so that the gap with the upper end opening of the pipe becomes large, and to secure a large gap for attaching the same joint. It can be connected and easily attached.

  Moreover, in the flange joint of this embodiment, since the convex piece 6 which protrudes in a hook shape along the upper edge of the inflow port 4 is formed in the surrounding wall 3 inner surface of the upper connection receiving cylinder part 2, a high rank hook Rainwater flowing down from the ridge A2 is guided along the upper surface of the ridge-shaped convex piece 6, and it is difficult for the rainwater to flow into the hose connection portion 5 from the inlet 4 of the upper connection tube portion 2, and the rainwater hose connection Leakage from the portion 5 to the outside can be prevented.

  Further, in the saddle joint of this embodiment, since the inner peripheral shape of the hose connecting portion 5 is formed in a tapered shape so as to become narrower downward, the drain hose B having a different diameter is the same. By being deeply inserted into the lower part of the hose connection part 5, the hose connection part 5 is clamped so as to be strongly tightened and can be reliably inserted and connected.

  Moreover, in the saddle joint of this embodiment, since the upper connection receiving tube portion 2 and the hose connection portion 5 are partitioned by the peripheral wall 3 of the upper connection tube receiving portion 2, a drain is formed in the hose connection portion 5. The hose B can be inserted and connected more smoothly by sliding along the outer surface of the peripheral wall 3 of the upper connection receiving tube portion 2 from above, and a wall that partitions the upper connection receiving tube portion 2 and the hose connection portion 5 is provided. It is shared by the peripheral wall 3 and fits compactly, and the material is reduced.

It is sectional drawing which shows the construction state of the gutter joint which is one Embodiment of this invention. It is a top view which shows the same joint. It is a cross-sectional perspective view which shows the same joint. It is sectional drawing which shows the construction state of the gutter joint which is a prior art example.

Explanation of symbols

A1 Lower collar A2 Upper collar B Drain hose 1 Lower connection cylinder 2 Upper connection cylinder 3 Peripheral wall 4 Inlet 5 Hose connection 6 Inlet 7 Cover piece 8 Step 9 Inner bottom

Claims (4)

  Lower connection cylinder part inserted into and fitted into the upper end opening of the lower collar, and upper connection connected to the upper end of the lower connection cylinder part and inserted into the lower end opening of the upper collar A gutter joint having a receiving tube portion, in which an inlet is formed in a peripheral wall near the lower end of the upper connection receiving cylinder portion, and a cylindrical shape extending along the outer peripheral wall of the upper connection receiving cylinder portion from the inlet A gutter joint formed by forming a hose connection part into which a drain hose is inserted and connected, and extending the upper connection receiving cylinder part longer than the hose connection part.   The flange joint according to claim 1, wherein a convex piece protruding in a bowl shape along the upper edge of the inflow port is formed on the inner surface of the peripheral wall of the upper connection receiving cylinder portion.   The flange joint according to claim 1 or 2, wherein the inner peripheral shape of the hose connection portion is formed in a tapered shape so as to become narrower downward.   The gutter joint according to any one of claims 1 to 3, wherein the upper connection tube portion and the hose connection portion are partitioned by a peripheral wall of the upper connection tube portion.

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