KR20070013179A - Blind branch outlet fitting system - Google Patents

Abstract

An apparatus for connecting a socket of a diverging branch pipe is provided to prevent the inner washer from being pulled out by installing the diverging branch pipe hanging a fixing projection shaped like eaves at both sides of the upper surface of the projected pipe. An apparatus for connecting a socket of a diverging branch pipe(200) comprises an inner washer(300) inserted in an inlet hole(650) bored at the side of a pipe(600) and hung at the periphery part of an inner surface(620) of the inlet hole; a branch socket containing a saddle(100), a projected pipe(150) integrally arranged with the saddle, and the diverging branch pipe longitudinally moved in the projected pipe when a connection pipe(700) is fitted at the branch socket; and a packing(70) containing an inner part(73) having a curved surface, a center part(72), a recessed groove(74), a wrinkle(77), and an outer part(71). The upper surface of the saddle projected pipe is screwed through a nut(400) fixed by a male screw(290). An eaves-shaped hanging projection(380) is formed at both sides of the upper surface of the projected pipe, and a section(365) of the divided projected pipe is formed with a V-shaped space(366). A female screw hole of a horizontal surface fixing protrusion is formed between upper and lower diverging branch pipes(201,202).

Description

Branch Branch Outlet Fitting System

1 is an exploded front and partial perspective view of an embodiment of the present invention.

FIG. 2 is a front sectional view of a state in which FIG. 1 is fastened to a pipe;

3 is a side cross-sectional view of a state in which FIG. 1 is fastened to a pipe;

4 is a top plan view of a state in which FIG. 1 is fastened to a pipe;

5A is a cross-sectional view of the saddle

5B is a side cross-sectional view of FIG. 5A

Figure 6A is a cross-sectional view of the branch pipe integral with the packing of the fallopian tube of the present invention

FIG. 6B is a side cross-sectional view of FIG. 6A

6C is a top plan view of FIG. 6A

Figure 7A is a cross-sectional view of the inner washer of the present invention

FIG. 7B is a side cross-sectional view of FIG. 7A

FIG. 7C is a top plan view of FIG. 7A

8A is an exploded perspective view of Korean Utility Model Registration No. 54114

8B is a side view and a partial cross-sectional view showing a fastening state of FIG. 8A.

9A is an exploded perspective view of Republic of Korea Utility Model Registration No. 5712

9B is an assembled cross-sectional view of FIG. 9A

[Explanation of symbols on the main parts of the drawings]

5 bolt (screw) 6: tension wire

70: fallopian tube packing 71: outer surface of the packing

72: center of packing 73: inner part of packing

74: groove in the center of the packing 77: pleat in the center of the packing

100: saddle 120: saddle protrusion inner surface

130: protruding pipe inner surface longitudinal protruding rail 150: saddle protruding pipe

200: branch branch 201: upper branch branch

202: lower branch branch pipe 203: horizontal surface engaging jaw

204: Horizontal surface engaging jaw female thread hole 260: Branch pipe outer surface longitudinal direction groove

284: lower surface of the branching branch 285: lower surface of the branching branch

286: outside of the branch pipe 290: external thread of the branch pipe

300: inner washer 360: inner washer protrusion tube

363: protrusion tube side 365: protrusion tube cross section

366: protruding pipe V-shaped space portion 370: cutting surface

380: locking protrusion of eaves shape 385: bolt hole

400: nut 500: hinge

600: pipe 610: pipe outer surface

620: inner surface of the pipe 650: inlet hole

700: connector 900: auxiliary ring washer

Korean Utility Model Registration No. 54114 (branch socket attachment device), Korea Utility Model Registration No. 5812 (socket attachment device with manned wire) and Japanese Patent Application Laid-Open No. 4-203584 (branch coefficient: On July 24, 1992, the Republic of Korea Utility Model Registration No. 54114 selects an inner washer (split washer) in which the pipe is connected to the inlet (outlet) and the tension line is connected to the inner surface of the inlet. Branch socket attachment device that attaches the bolt to the bolt hole formed in the branch socket inner projection by attaching the packing with the bottom surface of the branch socket having the curved surface facing the pipe outer surface and attaching the branch socket to the tightening part of the inner washer. If the external surface of the pipe is smooth, there is no problem in watertightness, but there is a problem that cannot be used when the external surface of the pipe is irregular, such as a double wall sewer pipe or PVC DC pipe. When dirt passing as a sewage pipe has got a fastening portion for screwing the inner surface of the branch socket protrudes had this problem, because more waste is taken to have a plurality of screw had inconvenience in construction. Korean Utility Model Registration No. 5512 has a problem that the inner washer (cutting washer) has a rectangular shape, so that the inner washer of a completely circular shape cannot be spread over the inner surface of the pipe and there is a packing on the outer surface of the pipe. If the outer surface is irregular shape, there is a problem that can not be used. Japanese Patent Laid-Open Publication No. 4-203584 is a technique of tightening the water pipe by tightening the water pipe by tightening the water pipe in the pipe with a different pipe type (if the pipe thickness is different) and inflow by rotating the inclined portion on the saddle. If the ball size is larger than the standard or drilled obliquely, there is a problem in fastening and watertightness.

The present invention is to solve the problems of the prior art described above, the packing is not in the pipe outer surface, but the pipe surface is smooth pipe surface, as well as a branch that is watertight even if the outer surface of the pipe, such as double-wall sewer pipe or PVC DC pipe uneven shape. The technical development and other technical problems of the branch socket attachment device are cylindrical inner surface and inflow of the pipe at the same time by eliminating the screw tightening perpendicular to the inner pipe of the inner washer hanging on the inner part of the branch pipe and the inner pipe of the inner washer hanging on the inner surface of the branch pipe. It is a task to develop a technology that prevents the inner washer projecting pipe inserted into the branch pipe inside the ball from being drilled small. Another task is to have the same pipe inner diameter but different thickness according to the pipe type. Even if only one part is replaced, Providing is a technical problem to be achieved by the present invention.

The inner washer 300 is inserted into the inlet hole at one side of the inlet hole 650 drilled on the side of the pipe 600, and the inner washer 300 is caught in the periphery of the inner surface 620 of the inlet hole 650 and the outer surface of the pipe inlet hole 610. Attach the branch socket to the inner washer on the inner side of the pipe by attaching the branch socket with the curved surface on the periphery to the inner part of the branch socket and the screw and tightening part of the inner washer on the inner surface of the inlet hole. Then, when the connector 700 is plugged into the branch socket, the branch socket has a curved saddle 100 and a protruding tube 150 integral with the lower surface of the branch socket, and the branch pipe 200 moves up and down in the protruding tube. The packing for watertightness includes a packing inner surface 73 having a curved surface in close contact with the entire periphery of the pipe inlet hole inner surface 620 and a tubular packing central portion 72 in the form of a pipe inlet hole. Grooves on the inside and outside of the body packing (74 ) Or a pleat (77), which is a fallopian tube-shaped packing (70) consisting of a packing outer surface (71), which is the upper end of the packing in the same direction, and moves up and down through the center of the saddle. And a branching pipe in which the packing outer surface 71 which is the upper end of the packing 70 in the fallopian tube is integrally formed, the inner surface of the packing in the form of a fallopian tube interposed between the inner periphery of the pipe inlet hole 620 and the inner washer 300. The part 73 is screwed with the inner side of the branch pipe or the protrusion tube 360 which is integrated with the inner washer is caught and the pipe thickness is different so that the height of the branch pipe is branched from the outer surface of the saddle protrusion tube 150 to the pipe thickness. Tighten with the nut 400 fastened to the male screw 290 on the outer surface of the branch pipe to pressurize only the inner surface of the fallopian tube-shaped packing 73 between the periphery of the inner surface 620 of the pipe inlet 650 and the inner washer 300. Minutes using watertight method In the branch pipe attachment device, the branch pipe 200 is a horizontal plane by expanding the lower branch pipe 202 is inserted into the inlet hole 650 at the same time is inserted into the protruding pipe 360 integral with the inner washer (300). A branching pipe is formed to integrally form the upper branching pipe 201 into which the hooking jaw 203 is formed and the connection pipe 700 is inserted in the same direction as the lower branching pipe 202. Inserting the protruding tube 150 integral with the saddle 100 to the male screw 290 formed therein and tightening the nut 400 to the male screw 290, protruding into the protruding tube integral with the bisected inner washer 300. On both sides of the upper surface of the tube (eaves) -shaped locking protrusion 380 is formed, the protruding tube 360, the cross-section 365 of the V-shaped space portion 366 to form a hinge (500) of the inner washer divided When the V-shaped space portion 366 abuts, the awning-shaped locking protrusion 380 formed on the upper surface of the protruding tube is formed in the lower branch pipe 202. When the projecting pipe section 365 of the inner washer is formed in the V-shaped space portion 366, the protruding pipe of the inner washer inserted into the inner surface of the lower branch pipe is inserted into the surface. The side 363 is in close contact with the inner surface of the pipe, and the locking protrusion 380 of the protruding pipe upper awning shape is caught by the horizontal locking jaw 203 formed between the upper branch pipe 201 and the lower branch pipe 202 so that the lower branch branches. When the inner washer protruding tube inserted into the inner pipe can not be pulled out below the lower branch pipe and press the upper surface of the saddle protruding pipe 150 by rotating the nut 400 fastened to the external thread 290 of the upper branch pipe 201 The pipe inner surface 620 is a branch pipe socket attaching device for pressurizing and sealing the inner surface 73 of the packing 70 in the form of a fallopian tube between the inner washer 300. At this time, a bolt (screw) hole 385 is formed in the vertical direction in the eaves-shaped engaging protrusion 380 formed on the upper surface of the protruding pipe 360 integrated with the inner washer 300 and the upper branch pipe 201 Tighten the bolt (screw; 5) to the female threaded hole 204 of the horizontal engaging jaw 203 formed between the lower branch pipe 202 and the lower branch pipe 202, thereby integrating the branch pipe and the inner washer. 366) can be inserted into the wedge separately, but even if there is no wedge can prevent the protruding tube 360 of the inner washer to pinch. The above branch pipe socket attaching device has the same internal diameter and has a smooth surface according to the pipe type, or when the outer surface of the pipe is uneven in shape, such as a double wall sewer pipe, and the pipe thickness is different, the saddle 100 which is in close contact with the outer pipe of the upper branch pipe ( 201) the height is adjusted up and down the outer surface and tightening it with a nut 400 becomes a branch pipe socket attachment device commonly used. Of course, according to the watertight method of the branch pipe socket attaching device using the branch pipe pipe 200 integrally with the packing 70 of the fallopian tube shape, the hinge 500 having a hinge 500 on the cross-section of the bisected inner washer and integrally projected pipe 360 The inner inner washer 300 having a cutout surface 370 having a narrower inner washer width in the 90 ° direction than the inner washer width having the hinge 500 in the inner washer 300 having the inner diameter of the inner washer 300, and the inner surface of the pipe (620) the curvature of the auxiliary ring washer (900) is provided with a separate auxiliary ring washer (900) having a bend or hinge (500) and a curvature in the bisected section of the bisected inner washer having the same curvature as the curvature. Replace only the auxiliary ring washer 900 formed with the same curvature according to the inner surface curvature of the pipe, and pull the auxiliary ring washer 900 into the protruding pipe 360 of the inner washer, the width of the inner washer connected to the tension line 6 is different. Upper branch pipe 202 having a fallopian tube-shaped packing 70 In the case where the locking projection 380 formed on the upper surface of the protruding tube of the inner washer is caught by the horizontal surface engaging jaw 203 formed between the branch pipes 201 and the inner washer only has the same curvature as the inner curvature of the pipe. If one branch pipe socket attaching device is used, even if the inner diameter is different, only the auxiliary ring washer 900 has the same curvature as the inner surface curvature of the pipe to be a branch pipe socket attaching device commonly used. At this time, the central portion 72 of the fallopian tube-shaped packing 70 rotates the groove 74 or the pleat 77 rotated 360 ° in parallel with the lower surface of the branch pipe in addition to the tubular packing. It is formed by two or more rotations, and the height of the pipe is adjusted by bending in the grooves 74 or the pleats 77 at any part of 360 ° so that the curvature of the pipe inner surface is different curvature and the curvature on the inner washer to be in close contact with it is the same as the curvature of the pipe inner surface. When the curvature of the auxiliary ring washer is the same curvature as the inner surface of the pipe, the inner surface of the fallopian tube-shaped packing 73 on the inner washer is press-tightly sealed between the inner surface of the pipe and the inner washer, and the packing center portion 72 of the fallopian tube is formed. The height of the bent in the recess 74 or pleat 77 is variable to become watertight. In addition, when the branch pipe socket attachment device is inclined (60 °, 75 °, etc.) to the pipe outer surface 610, the protruding pipe 150 integral with the saddle 100 is inclined with the main pipe according to the above-described watertight method. The upper surface is a form in which the protruding pipe is vertically cut, and the bottom of the branching pipe branched to the saddle protruding pipe 150 is the lower surface (285) having the same curvature or unspecified curvature with respect to the inclined surface or the inner surface curvature of the pipe, and is made in the form of a fallopian tube The protruding tube 150 integral with the saddle which is placed on the pipe outer surface 610 when the outer surface portion 71 and the center portion 72 of the 70 are in close contact with the inner surface portion 620 of the packing 70. The lower inner and outer surfaces 284 and 286 or the lower surface 285 and the packing outer surface 71 of the branch pipe are formed integrally so that the angle of inclination of the branch pipe is increased, and the upper surface of the protruding pipe 360 of the inner washer 300 is perpendicular to the inner surface of the branch pipe. Packing form of the fallopian tube of the branch pipe formed into the saddle protrusion pipe 150 formed on the outer surface of the pipe 610 Inserting the inner washer 300 into the pipe inlet hole and pulling the tension line 6 from the inner surface of the branch pipe to make the protrusion tube of the inner washer the V-shaped space portion 366, the shape of the eaves of the upper surface of the protrusion tube The locking protrusion 380 of the hook is caught by the horizontal locking jaw 203 formed between the upper and lower branch pipes 201 and 202, and the protrusion pipe integral with the saddle by rotating the nut 400 tightened to the male screw 290 of the branch pipe outer surface. Tightening the upper surface with a nut has an inclination angle (60 °, 75 °, etc.) for pressing and sealing the inner surface portion 73 of the fallopian tube-shaped packing 70 between the pipe inner surface 620 and the inner washer 300. It can be used as a branch pipe socket attachment device.

Hereinafter, described with reference to the accompanying drawings the present invention.

1 is an exploded front view and a partial perspective view of an embodiment of the present invention, the protruding pipe 150 is formed as a saddle 100 integrally formed on the top and the branch pipe 200 is a protruding pipe integral with the inner washer 300 It is inserted into the (360) and at the same time is inserted into the inlet hole (650) and the lower branching pipe by forming a fallopian tube-shaped packing (70) outer surface portion 71 integrally and by expanding the lower branching pipe (202) horizontal surface locking jaw (203) ) And the upper branching pipe 201 into which the connection pipe 700 is inserted in the same direction as the lower branching pipe 202 is integrally formed, and a male screw 290 is formed on the outer surface of the upper branching pipe 201. Saddle protruding pipe 150 is plugged and nut 400 is tightened to the male screw 290 of the upper branch pipe 201, the inner washer 300 forms a protruding pipe 360 on the top to nutrient and nutrient The inner washer is connected to the bent portion or the hinge 500 and the cross section 365 of the protruding pipe 360 is V-shaped Eaves formed on both sides of the upper surface of the protruding tube when the portion 366 is formed and an engaging protrusion 380 having an eaves shape is formed on both sides of the upper surface of the protruding tube so that the end faces of the protruding tube do not have a V-shaped space. A bifurcated branch socket attachment device is formed so that the distance between both sides of the locking protrusion 380 in the shape is narrowed so as to vertically enter the inner surface of the lower branch pipe, and the tension line 6 can be formed in the protruding pipe as necessary. The pipe 600 shows a state in which the lower branch pipe 202 is drilled on the side surface of the inlet hole 650.

FIG. 2 is a front sectional view of the state in which FIG. 1 is fastened to a pipe, and the fastening process is a state in which a tension line 6 is caught on an inner surface of a branch pipe in an inlet hole 650 drilled on a side of a pipe 600 (when there is a tensile line). Fold the hinge 500 of the inner washer 300 divided into two into the inlet hole, and the packing inner surface 73 so that the packing 70 of the fallopian tube type integrated with the branch pipe 200 can enter the inlet hole. The inner surface portion 73 of the packing 70 in the form of a fallopian tube is narrowly inserted into the inner surface of the inner surface of the inlet pipe in the same direction as the curvature of the inner surface of the pipe, and a portion of the lower branch pipe 202 is inserted into the inlet hole. The tension line 6 is pulled into the protruding tube end face 365 integrated with the inner washer inserted into the inlet hole, and the inner washer 300 has the same curvature as the inner curvature of the pipe, while the lower branch pipe 202 is inside the inner branch. The inner washer stone was inserted so that the end face of the protruding tube Cross section of the inner washer protruding tube 360 is formed on the horizontal locking jaw 203 formed at the boundary between the lower branch pipe 202 and the upper branch pipe 201 with an eaves-shaped locking protrusion 380 formed on both upper surfaces of the outlet. The 365 is formed with a V-shaped space portion 366, the saddle-shaped locking protrusions 380 of both sides of the protrusion tube upper surface (eaves) is caught, and the saddle (150) integral with the protrusion pipe 150 attached to the upper branch pipe (201) ( 100) If the curvature is the same curvature of the outer surface of the pipe and the upper branch pipe outer thread 290 by rotating the nut 400 to press the upper surface of the saddle protrusion tube 150 to the pipe inner surface 620 and the inner washer 300 Only the inner surface portion 73 of the fallopian tube-shaped packing 70 interposed therebetween is pressurized and sealed to block the outflow of the pipe outside inflow, the pipe inner surface and the branch pipe inner surface outflow sewage. At this time, if the grooves 74 or the pleats 77 are formed in the packing center portion 72 in the fallopian tube shape, the curvature of the inner washer 300 having the same curvature or the separate auxiliary ring washer has the same curvature when the inner curvature of the pipe is different. By replacing the auxiliary ring washer with the same curvature, it becomes a common branch socket attachment device. Of course, when the thickness of the pipe 600 is different, the saddle 100 plugged into the upper branch pipe is adjusted to the height becomes a branch pipe socket attachment device commonly used.

3 is a side cross-sectional view of the state in which FIG. 1 is fastened to the pipe, and the lower branch pipe is inserted into the inlet hole, and the packing central portion integral with the lower surface is in the form of a protruding pipe parallel to the lower branch pipe in the inlet hole. 74) or when the corrugation 77 is formed, when the inner tube portion 73 in the form of a fallopian tube is press-sealed between the inner surface of the pipe 620 and the inner washer 300, the height is adjusted at any part of 360 ° to ensure water tightness. It can be seen that. In addition, an inner washer is formed on the upper surface of the branch branch pipe 202 is caught in the horizontal engaging projection formed between the upper branch pipe 201 and the lower branch pipe 202 formed on the upper surface of the inner washer projecting pipe. Do not let go down.

4 is a top plan view of the state in which FIG. 1 is fastened to a pipe, and the sunshade formed on the upper surface of the inner washer protruding pipe 360 on the horizontal surface engaging jaw 203 formed between the upper branch pipe 201 and the lower branch pipe 202. It can be seen that the locking protrusion 380 of the (eaves) shape prevents the inner washer protruding tube from being pulled downward from the branch pipe, and at this time, the bolt (screw) is formed in the bolt hole formed in the locking protrusion of the two side eaves shape. Tightening to 5) prevents the space 366 formed in the cross section of the protruding tube from narrowing and at the same time preventing the inner washer 300 inserted into the lower branch pipe 202 from rising upward.

5A is a front cross-sectional view of the saddle, FIG. 5B is a side cross-sectional view of FIG. 5A, and a curved surface is formed to be in close contact with the pipe outer surface 610, and the upper surface of the protruding pipe 150 integral with the pipe is flat to pressurize the nut 400. The saddle protrusion tube inner surface 120 may be formed with a longitudinal protrusion rail 130 to be vertically engaged with the longitudinal groove 260 of the upper branch pipe outer surface.

Figure 6A is a cross-sectional view of the branch pipe integrated with the fallopian tube-shaped packing of the present invention, Figure 6B is a side cross-sectional view of Figure 6A, Figure 6C is a top plan view of Figure 6A, the branch pipe 200 is the upper branch pipe 201 The horizontal branching jaw 203 is formed at the boundary surface with the lower branch pipe 202 and the longitudinal grooves are formed on the outer surface of the upper branch pipe with the male screw 290 and the longitudinal protruding rail 130 formed on the inner surface of the saddle protruding pipe. 260 is formed in the lower branch pipe, the packing outer surface portion 71 is integrally formed with the lower branch pipe 202 at the upper end integral with the central portion 72 of the fallopian tube-shaped packing 70, and the packing 70 The inner surface portion 73 of the) has a curved surface and the groove portion 74 or the pleat 77 may be formed in the central portion 72 of the packing 70 as necessary. In addition, the horizontal locking projection 203 may be formed with a hole or a female screw to tighten the bolt (screw) 5.

Figure 7A is a cross-sectional view of the inner washer of the present invention, Figure 7B is a side cross-sectional view of Figure 7A, Figure 7C is a top plan view of Figure 7A, the inner washer 300 has a pipe inner curvature and the protruding pipe 360 is on the top The integral and bisected cross section is connected with the hinge 500, and the protruding tube 360 has a cross section 365 having a V-shaped space portion 366 formed therein, and an eaves-shaped locking protrusion 380 on both upper surfaces of the protruding tube. ) Is formed, and when the projecting pipe cross section does not have a V-shaped space of the protruding pipe, the locking projections 380 of both upper and lower sides are narrowed and inserted into the lower branch pipe inner surface, and the inner side of the lower branch pipe. When the washer protruding tube is fully inserted, the V-shaped space is circularly formed on the end of the inner washer protruding tube, and the horizontal protrusion formed between the upper branch pipe 201 and the lower branch pipe 202 is formed by the locking protrusions 380 having both sunshade shapes. Caught in the jaw (203) Bolts (screws 5) may be formed in the engaging protrusions of both shapes, and the tension line 6 may be connected to the inner washer protrusion tube.

8A is an exploded perspective view of Korean Utility Model Registration No. 54114, which consists of a branch socket and a split washer (inner washer). The branch socket is curved to be in close contact with the outer surface of the pipe, and a protrusion (tightening part) is formed on the inner surface of the branch socket. The drawing hole through which the tightening hole and the tension line pass is drilled to penetrate the tension line. The split washer (inner washer) is paired so as to be in close contact with the entire inner surface of the periphery of the outflow hole (inlet hole) of the pipe, and there is an integral cylindrical tube-shaped locking jaw to separate the washer from the outlet hole (inlet hole). Do not let it. In addition, a protrusion is formed on the locking jaw and the tightening part and the tension line are connected to penetrate the outlet hole of the branch socket. The split washer (inner washer) has the same curved surface as the piping inner surface.

FIG. 8B is a side view and a partial cross-sectional view showing the fastening state of FIG. 8A. A female screw part is formed at the tightening part of the split washer and used as a nut, and a bolt is inserted into the tightening hole of the branch socket, and the branch socket is packed with the outer surface of the pipe. The tightening part is protruded on the inner side of the branch socket or the split washer, and the sewage of sewage pipe is caught and the packing for watertightness is on the outer surface of the pipe. If there is, it can be seen that it cannot be watertight.

9A is an exploded perspective view of the Republic of Korea Utility Model Registration No. 5512, the internal fixing washer inserted into the inside of the hole of the pipe-shaped structure is a rectangular shape it can be seen that the entire inner periphery of the pipe can not be wrapped around the pipe-shaped This is because both sides of the cutout can be inserted into holes drilled into the structure.

Fig. 9B is a cross sectional view of the assembled state of Fig. 9A, showing that the rectangular washer is elongated in the pipe longitudinal direction on the inner surface of the pipe hole.

Branch pipe sockets that can be used in common for these pipe materials may have uneven or smooth surface shape depending on the type of sewage pipe among existing new sewage pipes or previously installed sewage pipes, and have the same pipe inner diameter but different pipe thicknesses and different pipe inner diameters. There was a problem with the watertightness of the attachment device.

In the present invention, by incorporating the upper end portion of the fallopian tube-type packing with the branch pipe lower, to develop a branch pipe socket attachment device to block the inflow of water from the pipe outer surface and the outflow of the pipe inner surface and branch pipe inner surface even if the water pipe is watertight at only one inner surface of the pipe. Branching pipe which has a life-surface locking jaw that extends branching pipes to catch the eaves-shaped locking protrusions on both sides of the upper part of the protruding pipe integrated with the inner washer hanging on the inner surface of the pipe without screwing the inner pipe and the inner washer. The invention prevents the inner washer from being pulled out of the branch pipe.

In the present invention, there is no screwing portion on the inner surface of the protruding pipe of the inner washer inserted into the branch pipe, so that the thickness of the protruding pipe can be minimized and at the same time, the pipe inlet can be drilled relatively small, and the inner washer cannot be pulled out from the inner surface of the branch pipe. It has the advantage of easy installation and water tightness by not screwing, and by replacing only one auxiliary ring washer even if the pipe surface shape is different or the pipe diameter is the same and the pipe thickness is different and the pipe inner diameter is different. It is a very useful invention that it becomes a branch pipe socket attachment apparatus which can be commonly used in these.

Claims (2)

The inner washer 300 is inserted into the inlet hole at one side of the inlet hole 650 drilled on the side of the pipe 600, and the inner washer 300 is caught in the periphery of the inner surface 620 of the inlet hole 650 and the outer surface of the pipe inlet hole 610. Attach the branch socket to the inner washer on the inner side of the pipe by attaching the branch socket with the curved surface on the periphery to the inner part of the branch socket and the screw and tightening part of the inner washer on the inner surface of the inlet hole. Then, when the connector 700 is plugged into the branch socket, the branch socket has a curved saddle 100 and a protruding tube 150 integral with the lower surface of the branch socket, and the branch pipe 200 moves up and down in the protruding tube. The packing for watertightness includes a packing inner surface 73 having a curved surface in close contact with the entire periphery of the pipe inlet hole inner surface 620 and a tubular packing central portion 72 in the form of a pipe inlet hole. Groove in and out of body packing (74) Or an inner tube or bottom surface of the lower portion of the branch pipe, which forms a corrugation 77 and forms a fallopian tube-shaped packing 70 having a packing outer surface 71 which is the upper end of the packing in the same direction, and moves up and down through the center of the saddle. By forming a branching pipe in which the packing outer surface 71, which is the upper end of the packing 70 in the fallopian tube, is integrated, the inner surface of the packing in the form of a fallopian tube interposed between the inner periphery of the pipe inlet hole 620 and the inner washer 300. (73) is screwed to the inner surface of the branch pipe or the projection pipe 360 integral with the inner washer is caught and the pipe thickness is different so that the branch pipe to the height of the saddle protrusion pipe 150 from the outer surface of the branch pipe branch branch pipe Tighten with the nut 400 fastened to the male screw 290 of the outer surface to pressurize only the inner surface of the fallopian tube-shaped packing 73 between the periphery of the inner surface 620 of the pipe inlet 650 and the inner washer 300, and watertightness is achieved. Minute using watertight method In the branch pipe attachment device, the branch pipe 200 is a horizontal plane by expanding the lower branch pipe 202 is inserted into the inlet hole 650 at the same time is inserted into the protruding pipe 360 integral with the inner washer (300). A branching pipe is formed to integrally form the upper branching pipe 201 into which the hooking jaw 203 is formed and the connection pipe 700 is inserted in the same direction as the lower branching pipe 202. Inserting the protruding tube 150 integral with the saddle 100 to the male screw 290 formed therein and tightening the nut 400 to the male screw 290, protruding into the protruding tube integral with the bisected inner washer 300. On both sides of the upper surface of the pipe (eaves) -shaped locking protrusions (380) to form a V-shaped spaced projection (360) cross-section (365) of the cross section of the hinge (500) of the divided inner washer When the V-shaped space portion 366 abuts, the eruption-shaped locking protrusion 380 formed on the upper surface of the protruding tube is the lower branch pipe 20. 2) Protrusion tube of inner washer inserted into inner branch of lower branch pipe that is inserted into inlet hole from inner surface of pipe inlet hole is protruded when projecting tube section 365 forms V-shaped space portion 366. The pipe side 363 is in close contact with the inner surface of the pipe and the locking protrusion 380 of the protruding pipe upper awning shape is caught by the horizontal locking jaw 203 formed between the upper branch pipe 201 and the lower branch pipe 202, The inner washer protruding tube inserted into the branch pipe inner surface is prevented from being pulled out below the lower branch pipe, and the nut 400 fastened to the external thread 290 of the upper branch pipe 201 is pressed to pressurize the upper surface of the saddle protrusion pipe 150. Branch pipe socket attachment device, characterized in that the inner surface 620 of the lower surface of the pipe between the inner washer (300) press sealing the inner surface portion 73 of the form of the fallopian tube. According to claim 1, A bolt (screw) hole 385 in the vertical direction is formed in the eaves-shaped locking protrusion 380 formed on the upper surface of the protruding pipe 360 integral with the inner washer 300 and A branching pipe socket attaching device, characterized in that the bolts (screws) are fastened to the female threaded holes 204 of the horizontal surface engaging jaw 203 formed between the branching pipe 201 and the lower branching pipe 202 with a bolt.

Images