KR20090036391A

KR20090036391A - Rotatory connector for branch line and water supply device with it

Info

Publication number: KR20090036391A
Application number: KR1020070101557A
Authority: KR
Inventors: 이장욱
Original assignee: 이장욱
Priority date: 2007-10-09
Filing date: 2007-10-09
Publication date: 2009-04-14

Abstract

The present invention relates to a rotary branch pipe connector and a toilet water supply device equipped with the same, and more particularly, to a toilet water supply device provided with a water supply pipe and a discharge pipe and operated by a lever, for cleaning water introduced through the water supply pipe. A branch pipe connector for separating and discharging a portion, comprising: a connection cap having a hollow shape penetrated therein and detachably connected to an upper end of the water supply pipe, and having a water supply hole through which a part of the washing water flowing from the water supply pipe passes; A branch water supply pipe rotatably connected through the upper outer circumferential surface of the connection cap and having a water supply groove communicating with the water supply hole, and a discharge hole for discharging the washing water delivered through the water supply groove; And a flow control valve connected to penetrate the inside of the connection cap to adjust the amount of washing water flowing from the water supply pipe. The rotary branch pipe connector may be connected to an upper end of the water supply pipe of the toilet water supply device. It is characterized in that the toilet water supply device provided in the toilet can be easily attached and detached to the existing toilet water supply valve device can be rotated irrespective of the washing water supply direction can be easily supplied by separating the washing water.

Description

ROTATORY CONNECTOR FOR BRANCH LINE AND WATER SUPPLY DEVICE WITH IT}

The present invention relates to a rotary branch pipe connector and a toilet water supply device having a toilet, and more particularly, is installed in the toilet water supply device for supplying the washing water to the toilet to clean the water for bidet or other purposes. The present invention relates to a rotary branch pipe connector that can be supplied separately and a toilet water supply device provided therewith.

The toilet water supply device is a device for washing the toilet by receiving the washing water from the outside and draining the washing water into the toilet by lever operation.

By the way, bidet is widely supplied and used with the toilet these days, the bidet is often installed in addition to the existing toilet.

Therefore, when the bidet is installed, the washing water to be supplied to the bidet is generally used separately from the washing water supplied from a separate water supply pipe or supplied to the toilet bowl water supply device.

However, in order to be supplied from a separate water supply pipe, new construction such as drilling a hole in the wall and installing additional pipes is required, which is very difficult. Therefore, a method of separating and using a part of the cleaning water supplied to the toilet water supply device is necessary. Is preferred.

Therefore, there is a need for a pipe connecting the toilet bowl water supply device and the bidet, there have been various attempts.

The present applicant has also been registered and filed for branch purposes in the Republic of Korea Patent No. 10-0729601 "branch pipe connector" (hereinafter "prior art") for the purpose.

1 is a perspective view showing the prior art.

The toilet water supply device is composed of a first housing (1) and a second housing (6) connected by the first housing (1) and a connecting pipe (5), and the first housing (1) has a water supply on one side. There is an operating lever (2) for manipulating the discharge pipe 3 for discharging the washing water to the toilet at the bottom and the first flow control valve (4) for adjusting the flow rate of the washing water is provided in the upper, The second housing 6 includes a water supply pipe 7 through which washing water is supplied to one side, and a second flow control valve 8 at an upper portion thereof.

The branch pipe connector is installed on the outer circumferential surface of the connecting pipe 5 connecting the first housing 1 and the second housing 6 as shown, and the detailed structure is as shown in an enlarged view.

The branch pipe connector is formed integrally with the clamp (9a) and branch pipe (9b) for clamping the pipe 5 of the pipe shape, the branch pipe (9b) has a hollow shape through the center, The female and male threads are formed on the inner and outer circumferential surfaces, respectively, and holes are formed on the connecting pipe 5 so that the washing water flowing through the connecting pipe is discharged through the branch pipe 9b.

However, in the prior art as described above, a hole must be newly drilled on the connecting pipe 5 and the hollow portion of the branch pipe 9b is aligned with the hole on the connecting pipe 5 to fix the clamp 9a. Cumbersome and inconvenient

In addition, since the water supply direction of the branch pipe 9b is fixed, when the external hose is connected to the branch pipe 9b and connected to the bidet, the branch pipe 9b does not actively cope with the position of the bidet, and thus the washing water is not. Supply is not smooth.

The present invention has been made to solve the problems as described above, the object of the present invention can be easily detachable to the toilet water supply device for rotation and rotation is easy to connect with the external hose rotatable branch connector and lice It is to provide a toilet water supply device provided.

The present invention for achieving the above object is provided in the branch pipe connector having a water supply pipe and a discharge pipe and is mounted on the toilet bowl water supply device operated by a lever to separate and discharge a portion of the cleaning water introduced through the water supply pipe, A connection cap having a hollow shape through which the water supply pipe is detachably connected, and a water supply hole through which a part of the washing water flowing from the water supply pipe passes; A branch water supply pipe rotatably connected through the upper outer circumferential surface of the connection cap and having a water supply groove communicating with the water supply hole, and a discharge hole for discharging the washing water delivered through the water supply groove; And a flow rate control valve connected to penetrate the connection cap to adjust the amount of washing water flowing from the water supply pipe.

Preferably, the connection cap 10 has a lower thread is formed on the outer circumferential surface and the screw is coupled to the upper end of the water supply pipe is formed on the inner circumferential surface, the upper portion is a thread formed on the outer circumferential surface is coupled to the branch water supply pipe; And a plurality of water supply holes extending in a rib shape on a center side outer circumferential surface of the body and communicating with the water supply groove, spaced apart at regular intervals and penetrating up and down, and formed along the outside of the water supply hole. It is in close contact with the lower side of the branch water supply pipe sleeve is formed to maintain a closed; characterized in that consisting of.

Preferably, the branch water supply pipe has a fastening hole formed in the center, the rotator is provided with a water supply groove communicating with the water supply hole in the lower portion; And a branch pipe extending from the rotator and having a discharge hole formed therein, wherein the upper portion of the body is rotatably closed by a nut through the fastening hole.

Preferably, the washers of the synthetic resin material is further provided between the rotator and the nut so that the rotator is easily rotated.

Preferably, the branch pipe end is characterized in that the screw thread formed on the inner circumferential surface and the outer circumferential surface to be detachably screwed with the flexible hose.

Preferably, a valve body for finely adjusting the flow rate is further coupled to the inner circumferential surface of the branch pipe, and the valve body is formed with a screw thread to screw the inner circumferential surface of the branch pipe on an outer circumferential surface thereof, and has a sealing ring at the end thereof to extend the lengthwise direction. Accordingly, an outlet passage is provided to block the sealing ring side and the branch pipe end side forms an open flow passage, and an inflow passage is formed to communicate with each other while perpendicular to the formation direction of the outlet passage. do.

Preferably, the packing is further provided along the outside of the finishing jaw to improve the sealing between the sleeve and the rotator lower side.

In another aspect, the present invention and the water supply pipe for washing water; A rotatable branch pipe connector connected to the upper end of the water supply pipe so as to adjust the amount of cleaning water flowing from the water supply pipe and to separate and discharge a part of the water; A discharge pipe discharging the washing water supplied through the water supply pipe to the toilet bowl; And a connecting pipe connecting the water supply pipe and the discharge pipe.

Preferably, the rotatable branch pipe connector has a hollow shape penetrates inside and is detachably connected to the upper end of the water supply pipe, and a connection cap having a water supply hole through which a part of the washing water flowing from the water supply pipe passes; A branch water supply pipe rotatably connected through the upper outer circumferential surface of the connection cap and having a water supply groove communicating with the water supply hole, and a discharge hole for discharging the washing water delivered through the water supply groove; And a flow rate control valve connected to penetrate the connection cap to adjust the amount of washing water flowing from the water supply pipe.

Preferably, the connection cap has a lower thread is formed on the outer peripheral surface is screwed to the upper end of the water supply pipe with a screw thread formed on the inner peripheral surface, the upper portion is a thread formed on the outer peripheral surface is coupled to the branch water supply pipe; And a plurality of water supply holes extending in a rib shape on a central side outer circumferential surface of the body and communicating with the water supply groove, spaced apart at regular intervals to penetrate up and down, and formed along an outer side of the water supply hole. It is in close contact with the lower side of the water supply pipe sleeve is formed to maintain a closed; characterized in that consisting of.

The present invention of the above configuration can be easily attached to the upper end of the water supply pipe of the toilet bowl cleaning water supply can not only significantly reduce the working time, but also rotatable, regardless of the installation position of the bidet and the rotary branch pipe connection outside It is effective to provide a smooth water supply by connecting by a hose.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment according to the present invention.

Figure 2 is a perspective view of a rotary branch pipe connector according to an embodiment of the present invention, Figure 3 is a perspective view showing a toilet water supply device having a rotary branch pipe connector shown in Figure 2 according to an embodiment of the present invention. 4 is an exploded perspective view of the rotary branch connector shown in FIG.

Rotating branch pipe connector of the present invention is largely composed of a connecting cap 10 and the branch water supply pipe (20).

First, the connection cap 10 will be described. The body 12 and the sleeve 15 are formed on the outer circumferential surface of the body.

The body 12 has a cylindrical shape as shown in the figure and forms a hollow tube shape with both ends penetrated therein, and a flow control valve 16 is installed inside the hollow.

That is, as in the function of the flow control valve installed in the existing toilet water supply device for the flow rate control valve 16 that can adjust the flow rate is installed in the connection cap 10, the connection cap 10 is on the inner peripheral surface Since a female thread is formed to screw together with the flow control valve 16 having a male thread formed on an outer circumferential surface thereof, and is exposed to the upper portion of the body, the flow rate can be adjusted by operating using a tool such as a screwdriver.

Since the principle of flow control is a well-known technique, description thereof is omitted.

Therefore, the washing water introduced from the water supply pipe 42 does not penetrate the inside of the connection cap 10 and flows only to the water supply hole 12a.

A male screw thread is formed at the lower portion of the body 10 to be screwed to the upper end of the water supply pipe 42.

More specifically, the conventional toilet cleaning water supply device is coupled to the flow control valve 16 for controlling the amount of cleaning water on the top of the water supply pipe 42, the cleaning water flows from the outside, and the connection pipe connected to the discharge pipe 34 on the side 50 is coupled so that the washing water introduced into the water supply pipe 42 flows to the discharge pipe 34 through the connecting pipe 50.

However, the present invention intends to couple the rotary branch pipe connector 40 of the present invention to a portion to which the existing flow control valve 16 is coupled without drilling a new hole on the connection pipe 50.

Thus, the lower portion of the body 12 of the connection cap 10 in which the male thread is formed is screwed to be detachably attached to the upper end of the water supply pipe 42 in which the female thread is formed on the inner circumferential surface, and at the same time, functions as a branch connector. Will be in charge.

A thread is also formed on the outer circumferential surface of the upper portion of the body 12 so that the branch water supply pipe 20 and the nut 18 are rotatably coupled to each other.

Figure 5 shows a cross-sectional view of the connecting cap shown in FIG.

The connection cap 10 will be described in more detail with reference to FIGS. 4 and 5.

The sleeve 15 extending in the radial direction on the central outer circumferential surface of the body 12 has a shape of a circular flat plate. On the sleeve 15, a plurality of water supply holes 12a are formed to penetrate up and down while forming a circle at regular angular intervals with respect to the center, and a part of the washing water introduced through the water supply pipe 42 is the water supply hole ( 12a).

Preferably, the three water supply holes 12a are formed to form 120 ° to each other.

Here, the closing jaw 13 of a predetermined height is formed on the outside of the water supply hole (12a) formed on the sleeve 15, which is in close contact with the rotator 22 of the branch water supply pipe 20 to be described later Thus, the washing water passing through the water supply hole 12a is prevented from leaking to the side.

Preferably, the packing 17 which surrounds the finishing jaw 13 at a height slightly higher than the finishing jaw 13 may be installed. In this way, the lower part of the rotator 22 and the packing 17 may be closely attached to each other. Improves hermeticity

Next, the branch water supply pipe 20 will be described.

The branch water supply pipe 20 is composed of a rotator 22 and a branch pipe 24. The rotator 22 is rotatably coupled to an upper portion of the body 12 having a male thread formed on an outer circumferential surface thereof.

In detail, the rotator 22 has a circular fastening hole 22a formed at the center thereof, and the upper part of the body 12 is inserted therein, and then the fastening finish is finished with a nut 18. The upper and lower parts are curved without bending. Flat

As described above, when the nut 18 is fastened, the lower side of the rotator 22 is brought into close contact with the finishing jaw 13 and the packing 17 of the upper portion of the sleeve 15.

Of course, since water leakage may occur between the fastening hole 22a and the upper portion of the body 12, it is preferable to insert an O-ring made of rubber on the outer peripheral surface of the upper portion of the body 12.

In this case, since the rotator 22 should be rotatable, the rotator 22 can be easily rotated while keeping the seal with the packing 17 without fastening with a general nut 18 fastening strength. It is preferable that the washer 19 is further provided between the nut 18 and the rotator 22. It is preferable that the washer 19 is made of a synthetic resin having a smooth surface. In this way, the rotation is smoothed, and the rotation is easy.

To add, the fixing pin 18a is inserted into one side of the nut 18 so that the nut 18 is not loosened.

FIG. 6 is a sectional view of the branch water supply pipe shown in FIG. 4.

A water supply groove 22b is formed below the rotator 22 and the water supply groove 22b is positioned to correspond to the water supply hole 12a. Even though the rotator 22 rotates, the water supply holes 12a are provided. Since the washing water introduced through the sealant is sealed by the finishing jaw 13 and the packing 17, the structure may flow into the water supply groove 22b regardless of the position of the water supply groove 22b of the rotator 22. to be.

Subsequently, the washing water introduced through the water supply groove 22b is discharged through the discharge hole 24a inside the branch pipe 24 connected to the rotator 22. The water supply groove 22b and the discharge hole 24a are discharged. Are connected to each other as shown.

Figure 7 (a) is a cross-sectional view showing a state in which a large diameter hose is connected to the branch water supply pipe shown in Figure 6, Figure 7 (b) is a cross-sectional view showing a state in which a small diameter hose is connected to the branch water supply pipe shown in FIG. .

As shown, the branch pipe 24 has a male screw thread formed on the outer circumferential surface and a female screw thread formed on the inner circumferential surface so as to be connected to the external hoses 60 and 60 ', and the large diameter hose 60 shown in FIG. Both small diameter hoses 60 'shown in 7 (b) are connectable, and each of the hoses 60, 60' is generally a flexible hose 60, 60 '. At this time, the hose (60, 60 ') is connected so that the wash water is supplied to the bidet or other applications.

By the way, it is preferable that a valve body 26 is provided inside the branch pipe 24 to adjust the flow rate of the washing water more finely.

4 and 6, the valve body 26 has a male thread formed on an outer circumferential surface thereof, and a sealing ring 25 is wound around a tip outer circumferential surface thereof and penetrates to the side adjacent to the rear end of the sealing ring 25. Inflow hole 26a is formed to pass through the washing water. In addition, an outlet hole 26b leading to the inlet hole 26a and the flow path is formed at a rear end thereof, and the washing water introduced into the inlet hole 26a flows out. In other words, the inlet hole (26a) and the outlet hole (26b) forms a 'T' shaped flow path.

At this time, when the valve body 26 is completely inserted, the sealing ring 25 closes the branch pipe 24. Therefore, the flow rate can be adjusted according to the insertion degree of the valve body 26, and the insertion method of the valve body 26 can be mounted and detached using a tool in the groove formed at the rear end of the valve body 26. .

The valve body is inserted into both types of hose as shown in Figure 7 to adjust the flow rate can also be used after removal.

Another embodiment of the present invention is a toilet water supply device having a rotary branch pipe connector 40 is composed of a water supply pipe 42, a rotary branch pipe connector 40, a discharge pipe 34, the connection pipe 50.

As shown in FIG. 3, the water supply pipe 42 is a pipe to which washing water is supplied from the outside and is generally inserted into and fixed to a wall. It consists of a round hollow tube, usually made of steel.

The discharge pipe 34 is also a circular hollow tube made of steel and is connected to the toilet to function to discharge the washing water introduced from the water supply pipe 42 to the toilet. The lever 32 is installed on the side to control the discharge and blocking of the washing water by the valve type operation.

The connection pipe 50 connects the water supply pipe 42 and the discharge pipe 34 and flows in the washing water.

The rotatable branch pipe connector 40 has a structure as described above, and detachably coupled to the top of the water supply pipe 42 and rotatable at the same time to adjust the flow rate of the washing water.

Next, the process of installing the rotary branch pipe connector 40 of the present invention in a toilet water supply device will be briefly described.

First, the washing water flowing through the water supply pipe 42 is blocked.

And separate the existing flow control valve coupled to the top of the water supply pipe 42 and insert the lower portion of the connection cap 10 of the rotary branch pipe connector is coupled to the top of the water supply pipe (42).

Thereafter, one side of the branch pipe 24 and the external hoses 60 and 60 'of the rotary branch pipe connector is connected and the other side is connected to the bidet, and then the water supply pipe 42 is opened to supply the washing water.

In addition, the flow rate control valve 16 may be manipulated to adjust the flow rate or finely control or stop the flow rate supplied to the bidet using the valve body 26.

As described above, the present invention can be seen that the basic technical concept of a rotary branch pipe connector that can be easily detached and rotated to an existing toilet cleaning water supply device and a toilet cleaning water supply device having the same. As those skilled in the art can make various modifications and combinations, such modifications and combinations are included in the scope of the present invention.

1 is a perspective view showing a conventional branch pipe connector.

Figure 2 is a perspective view of a rotary branch pipe connector according to an embodiment of the present invention.

Figure 3 is a perspective view showing a toilet water supply device having a rotary branch pipe connector shown in Figure 2 according to an embodiment of the present invention.

4 is an exploded perspective view of the rotary branch connector shown in FIG.

5 is a cross-sectional view of the connection cap shown in FIG.

6 is a cross-sectional view of the branch water supply pipe shown in FIG.

Figure 7 (a) is a cross-sectional view showing a state in which a large diameter hose is connected to the branch water supply pipe shown in FIG.

Figure 7 (b) is a cross-sectional view showing a state in which a small diameter hose is connected to the branch water supply pipe shown in FIG.

<< Explanation of symbols for main part of drawing >>

10: connection cap 12: body

12a: water supply 13: closing jaw

15 sleeve 16 flow control valve

17 packing 18 nut

18a: fixed pin 19: washer

20: branch water supply pipe 22: rotator

22a: tightening hole 22b: water supply groove

24: branch pipe 24a: discharge hole

25 sealing ring 26 valve body

26a: inlet hole 26b: outlet hole

32: lever 34: discharge pipe

40: rotary branch pipe connector 42: water supply pipe

50: connector 60: large diameter hose

60 ': small diameter hose

Claims

In the branch pipe connector having a water supply pipe 42 and a discharge pipe 34 and attached to the toilet cleaning water supply device operated by the lever 32 to separate and discharge a part of the washing water introduced through the water supply pipe 42,

A connection cap 10 having a hollow shape through which the water supply pipe 42 is detachably connected to an upper end of the water supply pipe 42 and having a water supply hole 12a through which a part of the washing water flowing from the water supply pipe 42 passes;

The water supply groove 22b connected to the water supply hole 12a in a rotatable manner through an upper outer circumferential surface of the connection cap 10, and a discharge hole for discharging the washing water delivered through the water supply groove 22b ( A branch water supply pipe 20 provided with 24a);

Rotating branch pipe connector, characterized in that consisting of; flow capping valve (16) connected to penetrate through the connection cap 10 to adjust the amount of washing water flowing from the water supply pipe.

The method of claim 1,

The connection cap 10,

A lower portion of the body 12 having a screw thread formed on an outer circumferential surface thereof and screwing to an upper end of the water supply pipe 42 having a screw thread formed on an inner circumferential surface thereof, and an upper portion of the body having a screw thread formed on an outer circumferential surface thereof to engage with the branch water supply pipe 20; And a plurality of water supply holes 12a extending in a rib shape on a central side outer circumferential surface of the body 12 and communicating with the water supply groove 22b, spaced apart at regular intervals and penetrating up and down. Rotating branch pipe connector, characterized in that consisting of; (15a) formed along the outside of the water supply hole (12a) is formed in close contact with the lower side of the branch water supply pipe (20) to maintain a closed jaw (13).

The method of claim 2,

The branch water supply pipe 20,

A rotator 22 having a fastening hole 22a formed at a center thereof and having a water supply groove 22b communicating with the water supply hole 12a at a lower portion thereof; And a branch pipe 24 extending from the rotator 22 and having the discharge hole 24a formed therein.

Rotating branch pipe connector, characterized in that the rotatable by being coupled to the upper portion of the body 12 through the fastening hole (22a) with a nut (18).

The method of claim 3, wherein

Between the rotator 22 and the nut 18,

Rotating branch connector, characterized in that the rotator 22 is further provided with a washer (19) made of synthetic resin material.

The method of claim 3, wherein

At the end of the branch pipe 24,

Rotating branch connector, characterized in that the thread formed on the inner peripheral surface and the outer peripheral surface, respectively, and detachably screwed with the flexible hose (60, 60 ').

The method of claim 3, wherein

In the inner circumferential surface of the branch pipe 24 is further coupled to the valve body 26 for finely controlling the flow rate,

The valve body 26 has a screw thread formed on the outer circumferential surface so as to be screwed with the inner circumferential surface of the branch pipe 24, and has a sealing ring 25 at a distal end thereof to block the sealing ring side along the longitudinal direction, and the branch pipe 24. The end side is provided with an outflow passage 26b which forms an open flow path, and is provided with an inflow passage 26a which is in communication with each other while being perpendicular to the formation direction of the outflow passage 26b and is formed through the tip. Rotary branch connector.

The method according to any one of claims 4 to 6,

Rotating branch connector, characterized in that the packing (17) is further provided along the outside of the finishing jaw (13) to improve the sealing between the sleeve (15) and the lower side of the rotator (22).

A water supply pipe 42 into which the washing water flows;

A rotatable branch pipe connector (40) connected to the upper end of the water supply pipe (42) so as to adjust the amount of washing water flowing from the water supply pipe (42) and to separate and discharge a part of the washing water;

A discharge pipe 34 discharging the washing water supplied through the water supply pipe 42 to the toilet bowl; And

The connection pipe 50 for connecting the water supply pipe 42 and the discharge pipe 34; Toilet bowl water supply device having a rotary branch pipe connector, characterized in that consisting of.

The method of claim 8,

The rotary branch pipe connector 40,

The connection cap 10 is connected to penetrate the inside of the flow rate control valve for adjusting the amount of washing water flowing from the water supply pipe; connected to the rotary branch pipe connector having a toilet, characterized in that consisting of.

The method of claim 9,

The connection cap 10,

A lower portion of the body 12 having a screw thread formed on an outer circumferential surface thereof and screwed to an upper end of the water supply pipe 42 having a screw thread formed on an inner circumferential surface thereof, and an upper portion of the body having a screw thread formed on an outer circumferential surface thereof to engage with the branch water supply pipe 20; And a plurality of water supply holes 12a extending in a rib shape on a central side outer circumferential surface of the body 12 and communicating with the water supply groove 22b, spaced apart at regular intervals and penetrating up and down. Rotating branch pipe connector, characterized in that consisting of; the sleeve 15 is formed along the outer side of the water supply hole (12a) is formed in close contact with the lower side of the branch water supply pipe 20, the closing jaw 13 to maintain a closed Toilet bowl water supply.

The method of claim 10,

The branch water supply pipe 20,

The upper portion of the body (12) through the fastening hole (22a) is closed by the nut (18) is rotatable toilet water supply device equipped with a rotary branch connector characterized in that it can be rotated.

The method of claim 11,

Between the rotator 22 and the nut 18,

The water supply device for toilet bowl cleaning provided with a rotary branch pipe connector, characterized in that the rotator 22 is easily provided with a washer (19) of synthetic resin material.

The method of claim 11,

At the end of the branch pipe 24,

A toilet cleaning water supply device having a rotary branch pipe connection, characterized in that the thread is formed on the inner circumferential surface and the outer circumferential surface to be detachably screwed with the flexible hose (60, 60 ').

The method of claim 11,

The valve body 26 has a screw thread formed on the outer circumferential surface so as to be screwed with the inner circumferential surface of the branch pipe 24, and has a sealing ring 25 at a distal end thereof to block the sealing ring side along the longitudinal direction, and the branch pipe 24. The end side is provided with an outflow passage 26b which forms an open flow path, and is provided with an inflow passage 26a which is in communication with each other while being perpendicular to the formation direction of the outflow passage 26b and is formed through the tip. Toilet bowl water supply device equipped with a rotary branch pipe connector.

The method according to any one of claims 12 to 14,

For cleaning the toilet with a rotary branch pipe connector characterized in that the packing 17 is further provided along the outside of the finishing jaw 13 to improve the sealing between the sleeve 15 and the lower side of the rotator 22. Water supply.