RU218019U1 - Cuff sewer for drainage tubes - Google Patents

Abstract

The utility model relates to the field of water supply and can be used in residential and industrial premises for organizing the docking of drainage pipes, hoses of washing machines, dishwashers, etc. with pipes and fittings of internal sewerage systems. The technical problem to be solved by the claimed utility model is to ensure a hermetic connection of drainage pipes of various diameters with the sewer system. Sewer cuff for drainage pipes is made in the form of a cylindrical cup. The outer surface of the cuff is provided with an end collar and ribs. The outer surface of the cuff is made in the form of several cylindrical sections separated by ribs. In the inner part there are several cylindrical protrusions of different diameters, having holes on the end side of the cylindrical cup and ending with a plugged cone. The cones are provided with a mark for cutting off the plugged area, made in the form of a collar. 7 ill.

Description

The utility model relates to the field of sewerage and can be used in residential and industrial premises for organizing the docking of the sewer system with the drainage pipes of air conditioners, boilers (water heaters), reverse osmosis systems, etc.

In most cases, drain pipes from boilers are not connected to the sewer system, but are “thrown” either into the toilet, shower or bath, or substitute a container to collect the released water. It looks, at least, not aesthetically pleasing and requires additional steps to monitor the fullness of the substituted container and drain it.

It is known “Sanitary-hygienic device for draining condensate” (patent No. 191190, 2019, patent holder Kazanin A.V.), in which valves are mounted in a U-shaped housing to drain condensate, made with a stepped transition from the upper part to the lower, located parallel to each other, one of which is displaced lower relative to the other, while the body has a length shorter than the other on one side, in the valve, which is located below, a movable ball is placed with the possibility of closing and unlocking the hole, each valve has a cover, the valve consists of an inlet a hole that is installed in the body, while the valve nozzles have protruding annular elements and are made beveled at the ends, there are also holes of smaller and larger diameters in the valve nozzle, while the smaller one serves as an outlet or inlet for connecting drainage hoses or tubes, and the larger one is closed with a lid , made with the possibility of dismantling it, while through a larger hole, maintenance is performed and the ball is removed. The following disadvantages of the known solution should be noted. This device, due to its large dimensions, requires a specially designated place for installation: free space and a special outlet for sewer pipes for installation. In addition, it does not ensure the tightness of the connection of the drainage tubes with the device itself. By design, it turns out that the drains from the drainage pipes will merge into the sewer only when there is enough volume to reach the ball, and then lift it up. This will cause liquid to accumulate in the U-shaped part, which means that the water standing there will be in the device itself for a long time. Drainage from the drain pipes of the air conditioner, boiler or osmosis system is not constant and "drip", i.e. there is no constant fluid flow, and sometimes no flow at all. It turns out that if a hermetic connection of various types of tube diameters with this device is not provided, then it is simply useless.

There are also known drainage pipes of reverse osmosis systems (https://fastbox.su/item-i4881257542), which require inserting a drain clamp into the sewer system, which requires certain skills and additional equipment and tools.

Drain pipes of air conditioners, if they are discharged into the sewer, also require certain installation skills and additional devices and tools (https://kondicioneri.pro/blog/konditsionery/drenazhnaya-sistema-konditsionera).

In all of the above cases, it is necessary to choose the right connection size for the drain pipes in order to ensure a tight connection to prevent the penetration of sewer odors.

The closest solution, taken as a prototype, is a special cuff for drainage tubes (https://rexfaber.ru/product/item/sifon-g-34-1-2-9#).

The cuff is made in the form of a cylinder of the same diameter, the outer surface of which is equipped with a thrust shoulder and several ribs (7 pieces according to the drawing on the website) on the outer part and several ribs (4 pieces according to the drawing on the website) on the inner part. In the inner part of the cuff, a surface is made that initially has a cone with an inner diameter of 25 mm at 75°, turning into a cylinder with an inner diameter of 16 mm. This surface is equipped with ribs on the inner (5 pieces according to the picture on the website) and outer (3 pieces according to the picture on the website) surfaces.

The disadvantage of this cuff is the ability to install only one size of the drain tube for the air conditioner.

The technical problem to be solved by the claimed utility model is to ensure a hermetic connection of drainage pipes of various diameters with the sewer system.

The problem is solved due to the fact that the sewer cuff for drainage pipes is made in the form of a cylindrical cup, the outer surface of which is provided with an end collar and is made in the form of several cylindrical sections of different diameters, separated by ribs, and in the inner part there are several cylindrical protrusions of different diameters, having there are holes on the end side of the cylindrical cup and ending with a plugged cone, while the cones are provided with a mark for cutting off the plugged area, made in the form of a shoulder.

The technical result is ensured due to the fact that in the claimed design of the cuff, the inner part of the cuff contains several cylindrical protrusions of different diameters, which makes it possible to simultaneously install several different sizes of drainage tubes. Each inner cylindrical protrusion makes it possible to install a tube of different diameters due to the presence of a conical part at the end. It is also possible to install only one or two tubes: for this, it is necessary to select the inner cylindrical surfaces with inner diameters closest in size and cut the plugged conical part along the shoulders located on them. The tightness of the connection in this case is ensured by “sticking” the drainage tube with a cone, which has a thickening in the form of a shoulder at the end, which serves as a mark for cutting off the plugged area and provides additional force for pressing the cone to the drainage tube.

The claimed solution is illustrated by graphic materials, where

in fig. 1 shows an end view of the cuff;

in fig. 2 shows a side view of the cuff;

in fig. 3 shows a rear view of the cuff;

in fig. 4 shows a section of the cuff A-A (along the axes of the first and second internal cylindrical projections);

in fig. 5 shows a section of the cuff B-B (along the axis of the third internal cylindrical protrusion);

in fig. 6 shows a general view of the cuff;

in fig. 7 shows a cuff assembly with a pipe and drainage tubes.

The cuff is made in the form of a cylindrical cup and contains a thrust shoulder 1 in the outer part, outer ribs 2-4. In the inner part of the cuff, there are internal cylindrical protrusions 5-7, which are provided with cones 8-10 and have muffled parts 11-13. Beads 14-16 are made on the cones, which show the boundary of the cut. The drawing shows the cuff 17, stuffing box seal 18, the socket of the pipe or fitting 19, the groove groove 20, the drain tube 21.

Sewer cuff 17 is made in the form of a cylindrical glass of elastic elastic material. In the end part of the cuff 17, a thrust shoulder 1 is made. The outer surface of the cuff is made in the form of several cylindrical sections of different diameters, separated by ribs 2-4, while the diameter of each next cylindrical section is less than the diameter of the previous one, only the second and third sections have the same diameter. In the inner part of the cylindrical cup, there are internal cylindrical protrusions 5-7, which have holes on the end side of the cylindrical cup.

The drawings show the following symbols:

d1 - diameter of thrust shoulder 1,

d2 - diameter of the outer rib 2,

d3 - diameter of outer rib 3 and rib 4,

d4 - diameter of the location of the outer rib 2,

d5 - diameter of the location of the outer rib 3 and 4,

d6 - outer diameter of the end part of the socket of the sewer pipe,

D1 - diameter of the inner cylindrical section of the cuff,

D2 - diameter of the inner cylindrical protrusion 5,

D3 - diameter of the inner cylindrical protrusion 6,

D4 - diameter of the inner cylindrical ledge 7,

h1 - thickness of the thrust shoulder 1,

h2 - thickness of outer rib 2,

h3 - thickness of outer rib 3 and rib 4,

h4 - distance between thrust shoulder 1 and outer rib 2

h5 - distance between outer rib 2 and outer rib 3,

h6 - distance between outer rib 3 and outer rib 4.

On the end part of the outer surface of the cuff, a thrust shoulder 1 is made, the thickness h1 of the thrust shoulder 1 is from 2 to 10 mm, the diameter of the shoulder exceeds the diameter of the first rib 2, and the diameter of the first rib 2 exceeds the diameter of the subsequent ribs 3 and 4. In this case, the distance h4 between the shoulder 1 and the first rib 2 is 4 to 10 mm, and the distance h5 between the first and second ribs is 4 to 11 mm, the distance h6 between the second and third ribs is 3 to 11 mm. The thickness of the first rib h2 is from 1.5 to 8 mm, the thickness of the second rib h3 is from 1.5 to 8 mm, the thickness of the third rib h3 is from 1.5 to 8 mm.

The cuff 17 is installed in the socket of the pipe or fitting 19, which has a groove 20 in itself with the gland seal 18 (hereinafter referred to as the gland) located in it. The connection of the outer rib 4 with the inner diameter of the pipe socket is carried out with an increased interference, but due to its thickness h4(3) and its location on the diameter d3, which in turn creates increased plasticity, the effect of "sticking" of the socket wall occurs and the use of brute physical force is not required and/or additional tool. The outer rib 3 is installed in a similar way, but has a different geometry, as it is located on the diameter d5, which in turn provides a tighter fit on the rib of the groove 20 by a small "bend" of the outer rib. The cuff diameter d5 ensures a low interference fit into the stuffing box 18, which will not allow it (the stuffing box) to be “squeezed out” from the groove 20. The distance h6 is made taking into account the width of the groove 20 and the thickness of the stuffing box 18, which ensures maximum tightness by “clamping” the stuffing box 18 between the outer ribs 2 and 3. The outer rib 2 has an increased (relative to the previous two) diameter d2 and thickness h2, and is also located on the diameter d4, which provides the tightest fit into the pipe socket. Distance h5 and diameter d2 provide a "click-in" effect in the final installation. Thus, the connection is tight even in the absence of the gland 18 in the groove 20. The thrust collar 1, relative to the outer diameter of the sockets d6, has an increased outer diameter d1 and thickness h1 - this will not allow the cuff to “push through” when installed in the socket and when installed in hose cuff.

Next, the installation of the drainage(s) tube(s) 21 is performed. The inner part of the cuff contains several cylindrical protrusions 5-7, which makes it possible to simultaneously install several different sizes of drainage tubes. Each inner cylindrical protrusion makes it possible to install a tube of different diameters due to the presence of a conical part at the end. It is also possible to install only one or two tubes: for this, it is necessary to select the inner cylindrical protrusions 5-7 with inner diameters D1-D3 closest in size and cut off the plugged part 11-13 along the shoulders 14-16 located on the cones. The tightness of the connection in this case is ensured by "sticking" the drainage tube with a cone, which has a thickening in the form of a shoulder at the end.

Claims (1)

Sewer cuff for drainage pipes, the outer surface of which is provided with an end collar and ribs, characterized in that it is made in the form of a cylindrical glass, the outer surface of which is made in the form of several cylindrical sections separated by ribs, and in the inner part there are several cylindrical protrusions of different diameters, having holes on the end side of the cylindrical cup and ending with a plugged cone, while the cones are provided with a mark for cutting off the plugged area, made in the form of a shoulder.

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