JPH0694907B2 - Pipe fittings for radiator - Google Patents

Description

Description: FIELD OF THE INVENTION The present invention relates to a pipe fitting for a radiator, and more particularly to a housing having a distribution hole and four connecting nipples. The first and second nipples are juxtaposed and connected to the main,
The third and fourth nipples are displaced from each other by 90 °, are connected to a radiator, and further include a hollow cylindrical guide member that is inserted into the distribution hole to fix the flow path, and one end portion of the guide member is provided. Is connected to the first connecting nipple through a first passage, the other end is connected to another connecting nipple through a second passage, and the first peripheral orifice of the distribution hole is , The third peripheral orifice is connected to another connecting nipple through the third passage, and the second peripheral orifice is connected through the fourth passage.
The present invention relates to a radiator pipe joint connected to a fourth connection nipple.

Such a pipe joint is known from West German Laid-Open Publication No. 2330999. In this case, one end of the guide member is connected to the connection nipple on the main pipe side, and the other end is connected to the connection nipple on the radiator side. Therefore, one peripheral orifice of the distribution hole is connected to the connection nipple on the main pipe side, and the other peripheral orifice is connected to the connection nipple on the radiator side. The four connecting nipples are arranged in one plane. The first and second connection nipples project downward or laterally. Depending on the method of attachment, the third connecting nipple attaches a riser pipe to the upper end of the radiator, which is connected via another fitting, and the fourth connecting nipple connects to the lower end of the radiator, or vice versa. The guide member, which cannot be manipulated from the outside, consists of a partition (necessary for a two-tube heating device) which separates the inflowing medium from the outflowing medium. It is also possible to use a guide member having a partition wall with an opening. A portion of the incoming heating medium is passed directly from the first connecting nipple to the second connecting nipple through the opening and only the remaining portion of the heating medium flows through the radiator, which is necessary for single tube heating. That is.

OBJECT OF THE INVENTION The invention comprises a housing with a distribution hole and four connecting nipples, which can be applied in a number of different applications with as few accessories as possible. The first and second nipples of the nipple are juxtaposed and connected to the main pipe, the third and fourth nipples are displaced from each other by 90 °, connected to the radiator, and further inserted into the distribution hole to insert the flow path. Is provided with a hollow cylindrical guide member, one end of the guide member is connected to the first connection nipple through a first passage, and the other end is connected through a second passage. Connected to another connection nipple, the first peripheral orifice of the distribution hole is connected to another connection nipple via a third passage, and the second peripheral orifice is connected to the fourth connection orifice.
It is an object of the present invention to provide a radiator pipe joint connected to a fourth connecting nipple via a passage.

(Structure and Action of the Invention) The object of the present invention is achieved by connecting the second passage to the second connecting nipple and connecting the third passage to the third connecting nipple. .

In this configuration, the end portion of the guide member is connected to the connecting nipple on the main pipe side, and the peripheral orifice is connected to the connecting nipple on the radiator side.

With such a symmetrical configuration, the first or second connection nipple can be selectively connected to the third or fourth connection nipple by selecting or adjusting the guide member. For the particular type of connection to the radiator, it does not matter whether the source is connected via the first connecting nipple or via the second connecting nipple, so that It is no longer necessary to intersect the supply and return conduits. Given the connection to the mains side, it is possible to choose whether the source should reach the radiator via the third connecting nipple or via the fourth connecting nipple. The same applies to the return flow. In a dual system in which the supply or the return is connected to the radiator via separate pipe joints respectively, one connection nipple on the main line is connected to the third or fourth connection nipple and the closure member is attached to the other connection nipple. It is possible to use a guide element which is provided so that the other connecting nipples on the mains side are directly connected to the corresponding fittings of the next radiator.

In the preferred embodiment, the housing includes a valve nipple adjacent an internal chamber for the valve insert, and a third passageway through the internal chamber to a third connecting nipple. If the valve nipple has a closing member, its function is as described above. By the way, if the valve insert is built-in, the fitting can also be used for adjustment purposes. Since the guide elements are connected symmetrically, the valve can be abutted in a desired manner, that is to say in particular on the supply side.

Advantageously, the guide member is rotatable within the distribution hole and, as a result of the rotation, has at least two different functional positions. Their different functions are
It is obtained not by exchanging the guide members, but simply by rotation.

Thus, the wall of the tube of the guide member can be provided with at least one through hole, which hole overlaps the peripheral orifice in one rotation position and is closed by the wall of the hole in the other rotation position. Due to the configuration of the guide member, the radiator and / or the main are shut off in the closed rotational position. Shutting off the pipes on the mains side is beneficial if they are installed in a heating installation and are accessible to them and can be tested for leaks by pressure testing. This is especially true for soft pipes that will later be hidden in the floor, in the wall or under the floor slat.

The inside of the guide member is divided by a partition into two partial chambers each of which is connected to the end and has at least one through hole in the cylindrical wall, and further, each of the two peripheral orifices is located in one rotation position It is expedient to connect to the first or second partial chamber respectively and in the other rotational position to the second or first partial chamber respectively. This configuration of the guide member makes it possible to change the combination between the main-side connecting nipple and the radiator-side connecting nipple by simple rotation.

This configuration is suitable for double pipe installations if the bulkhead is closed. If the bulkhead has an opening, it is suitable for single pipe installations. In another embodiment, the interior of the guide member is plain, so that only one peripheral orifice communicates with the interior through the opening in the barrel wall. The result is a pipe fitting for dual equipment.

It is also possible to allow the guide member to rotate to at least one intermediate position where the peripheral orifices are partially covered. In this way, a potentially useful adjustable throttle is obtained.

It is advantageous if the rotatable guide member is associated with an operating member that passes at least partially through the wall of the housing. This allows easy rotation from the outside at any time, even after installation.

In a preferred example, the operating member comprises an open peripheral wall with teeth that engage teeth on the ends of the radiator, the peripheral wall having a first and / or a second passage for connecting the peripheral wall. It is arranged in the region of the first and / or second connecting nipple so as to pass therethrough. Due to the opening, the operating member does not interfere with the supply or return through the first and / or the second passage.

In particular, the peripheral wall with openings is such that its teeth can be formed by an axial web. Such an operating member can be easily made by casting, that is, by injection molding.

In another embodiment of the invention, a occludable fifth passage extends between the third and fourth connecting nipples, the fourth passage being on the mouth side of the fifth passage away from the fourth connecting nipple. Has a bore section which is coaxial with the fourth connecting nipple for receiving the tubular spear. If the fifth passage is open and the third connecting nipple is provided with a closure member, the tubular spear can be used to create a feed and return through a single fitting of the radiator. However, if a third or fourth connecting nipple is used to connect the radiator, the fifth passage must be blocked.

In particular, the fifth passage can be closed with an insertable closing member such as a ball or a plug.

It would be particularly advantageous if the fifth passage could be closed with a hollow bush inserted in the fourth passage and covering the mouth of the fifth passage.
In most cases, it is more convenient for the worker to insert the closure member into the fourth passage rather than the fifth passage.

From a structural point of view, it is appropriate for the valve nipple and the fourth connecting nipple to be coaxial on both sides of the valve housing. In this position, the valve to be installed can be easily manipulated without touching the four connecting nipples. Also, since the valve shaft is horizontal in the normal installation position, good adjustment is possible in the case of a thermostatic valve with a built-in sensor.

In one embodiment, a distribution hole is located between the valve nipple and a fourth connecting nipple having an axis perpendicular to its common axis, with two opposing peripheral orifices formed by a hole coaxial with said nipple. Was advantageous. In this way, the first part of the third passage and the entire fourth passage can be directly combined with the hole of the valve nipple and the fourth connecting nipple. Moreover, the height of the housing is reduced.

In a particularly preferred embodiment, all connecting nipples, valves,
The axes of the nipple and the distribution hole lie in a common plane, the distribution hole being arranged on one side between the first two connecting valves and on the other side between the other nipples and the peripheral orifices juxtaposed. . Providing the distribution holes in this position results in a somewhat taller construction, but with a much flatter fitting. Therefore,
It can be installed very close to the wall, and is therefore suitable on the one hand for flat radiators and on the other hand for pipes that emerge at a slight distance from the wall. That is because they are installed under the floor planks. If the housing comprises a lower part having first and second connecting nipples and a distribution hole, a central part having a valve nipple and a fourth connecting nipple, and an upper part having a third connecting nipple, It is easy to make such a flat fitting. If divided in this way, the pipe joint can be assembled according to the block assembly principle. For example, the lower two parts with differently sized connecting nipples or the two central parts with valve nipples adapted to differently configured valve inserts can be stocked and assembled as needed.

In particular, the upper part can be replaced by a replacement part which does not have a nipple but which has a fifth passage. In most cases, it is desirable to have the housing integrated so that it can be reasonably mass-produced. Also, maintaining inventory should be as easy as possible.

In this case, the housing has one coaxial blind hole respectively on the extension of the opposing valve nipple and the fourth connecting nipple, the distribution holes being drilled parallel to this nipple from one side of the housing, one on each side. Two holes extending over the extension of the first and second connecting nipples, parallel auxiliary holes extending between the nipples and entering the distribution holes, inclined with respect to each other and passing through a virtual extension line of the auxiliary hole. Preferably, the two blind holes are connected to the distribution hole by means of which the distribution hole and the auxiliary hole are provided with a closure member on the outside. Such various holes can be easily made by an automatic punching machine.

Similarly, the coaxial hole provided on the extension of the third connection nipple intersects with the coaxial hole provided on the extension of the fourth connection nipple, and the oblique hole of the hole and the valve nipple coaxial with the third connection nipple. Desirably, it intersects with the coaxial valve chamber provided on the extension and the bevel is provided with a closure member on the outside. These holes can likewise be reasonably made with an automatic drilling machine.

Next, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

(Example) The pipe joint shown in FIGS. 1 and 2 includes a housing 1 having five nipples. The first connecting nipple 2 and the second connecting nipple 3 serve to connect the hot water distribution main to the pipe. The third connecting nipple 4 and the fourth connecting nipple 5 are provided for connecting the pipe joint to a radiator. For this purpose, a screw insert 7 can be inserted into the inner threaded hole 6 of the connecting nipple 4 for fixing the riser pipe. The fourth connecting nipple 5 is a cap connected to a sleeve 10 that can be screwed onto a radiator.
A nut 9 is carried on its outer thread 8. valve·
The nipple 11 has an internal thread 12 into which a valve insert 13 can be screwed. The actuating member, in particular the thermostatic attachment, can be mounted on the outside of this insert. The valve insert projects into an internal chamber 14 within the housing. The closing member 15 is
It can be associated with a valve seat 16 formed in the housing or a valve seat fixed to the valve insert 13.

The valve nipple 11 and the fourth connecting nipple 5 are coaxial. These axes are in a common plane with the axes of the third connecting nipple, which are offset by 90 °. The axis of the distribution hole 17 in the housing 1 which receives the rotatable guide member 18 extends perpendicular to this common plane through the intersection of the axes. Since the guide member has a partition wall 19, the two partial chambers 20,
21 are formed. The partial chamber 20 connects one end 22 of the guide member 18 to a through hole 23 in the peripheral portion. The member chamber 21 has the other end 24 connected to the guide member 18 opposite to the through hole 23. Through holes 23, 25 as shown in FIG.
Can be surrounded by a seal ring 26. The guide member 18 is arranged between the two actuating members 27, 28, which will be explained in more detail in connection with FIGS. Therefore, the members 18, 27, 28 can be pushed into the housing from below and fixed in their final position by the screw ring 29, as can be seen in FIG. Opening in housing 30
Alternatively, the guide member 18 can be turned from the outside through the opening 31 in the screw ring 29.

The first passage 32 connects the first connecting nipple 2 to the end 22 of the guide member 18 via an opening in the actuating member 27. A second passage 33 in the housing connects the second connecting nipple 33 to an end 24 of the guide member 18 via an opening in the actuating member 28. The third passage connects the peripheral orifice 35 of the distribution hole 17 to the third connecting nipple 4. It extends through the internal space 14. The fourth passage 36 connects the peripheral orifice 37 of the distribution hole 17 to the fourth connecting nipple 5. 5th passage 38
Connects the third connection nipple 4 to the fourth connection nipple 5. In the function currently being considered, a closure member 39 such as a ball, which is driven into the passage 38, is provided.

The pipe joint configured as described above can be used as follows. The connecting nipple 2 is connected to the supply conduit of the double pipe installation and the connecting nipple 3 is connected to the return conduit. The third connecting nipple 4 is connected to the upper inlet of the radiator via the rising pipe, and the fifth connecting nipple 5 is connected to the lower inlet of the radiator. The heat transfer medium is provided in the passage 32,
It flows into the radiator through the partial chamber 20, the passage 34 that extends above the built-in space 14, the connecting nipple 4 and the riser pipe, and leaves the radiator through the connecting nipple 5, the passage 36, the partial chamber 21 and the passage 33.

The embodiment of FIG. 3 differs from that of FIG. 1 in that the stopper is
40 is inserted in the inner thread 6 of the third connection nipple 4, and the fifth passage 38 does not have the closing member 39,
Only that the cylindrical spear 41 is inserted into the fourth connecting nipple 5 and into the bore section 42 near the peripheral orifice 37. Therefore, the cylindrical spear 41 divides the fourth passage 36 into an outer section 43 having an annular cross section and an inner section having a circular cross section. The cylindrical spear, as usual, extends through a length of radiator. In this way, a single connection to the radiator is sufficient to supply and return the hot water.

Functionally, this configuration is such that the feed water led to the third connecting nipple 4 is sent to the radiator via the fifth passage 38 and passage section 43 and the peripheral orifice 37 has a cylindrical spear 41.
It differs from FIG. 1 in that the return water is sent via the.

The embodiment of FIG. 4 differs from that of FIG. 3 only in that the guide member 18 does not have the rotational position of FIG. 2 but a position offset by 180 °. The feed water to be sent to the valve can be led through the connection nipple 3 and the return water can be led through the connection nipple 2 without any other modifications. Therefore, it is not necessary to cross the pipes on the main side in order to send hot water to the valve.

FIG. 5 shows again the fitting of FIG. In this view, the guide member 18 is rotated 90 ° with respect to the position of FIG. The two through holes 23, 25 are closed by the wall of the distribution hole 17. Similarly, the peripheral orifices 35, 37 are closed by the peripheral wall of the guide member 18. As a result, the radiator is blocked on the one hand and the tube is blocked on the other.
By fixing the pipe joint to the pipe, it is possible, for example, to perform a pressure test on the equipment before installing the radiator.

The embodiment of FIG. 6 is consistent with that of FIG. 2 except that a modified guide member 118 is used.
The partition wall 119 has an opening 145. Such a pipe joint can be used in a single pipe facility in which a part of the heat transfer medium is always guided through a radiator. By adjusting the size of the opening 145, the amount of heat transfer medium flowing through the bypass can be determined.

The embodiment of FIG. 7 differs from that of FIG. 1 in that a guide member 218 is used that has only one through hole 223 and the interior 220 is not divided by a partition. This embodiment is suitable for a dual installation, in which each radiator comprises two pipe fittings, the supply-side fitting being connected by the first pipe and the return-side fitting being the second. It is connected by a pipe. FIG. 7 shows a supply-side fitting, in which case the through-hole 223 cooperates with the peripheral orifice 35 so that the hot water can be supplied to the third connecting nipple 4.
Since the peripheral orifice 37 is closed by the cylindrical wall of the guide member 218, the fourth connecting orifice 5 is dominant. If the supply water is not sent through the connection nipple 2, the guide member
The interior 220 of 218 is freely traversable so that a connecting pipe leading to the next supply pipe joint can be connected to the connecting nipple 3.

In FIG. 8, since the guide member 218 is rotated 180 °, the through hole 223 cooperates with the peripheral orifice 37 and the peripheral orifice 35 is closed by the guide member 218. The result is a pipe fitting for the return side of a dual facility. In this case, since the valve insert is unnecessary, the valve pipe joint 11 is closed by the stopper 246 screwed to the inner screw thread 12.

The FIG. 9 embodiment shows that a pipe plug for the supply side of the double equipment can also be formed by providing the second pipe joint with the closing plug 40 and removing the closing member 39 from the fifth passage 38. At this time, the connection nipple 5 communicates with the supply side.

FIG. 10 shows the guide member 18 with its through holes 23, 25. The septum 19 has been inserted later for simplicity of manufacture.
The two ends 22, 24 each have four teeth which engage the actuating member 27 shown in FIGS. 11 and 12.

The actuating member 27 has four axial webs 48 which connect a septum 50 with an inner hexagon 49 to a ring 51 with teeth 52 and gaps 53 on the inside. When axially coupled, the teeth 47 engage the gap 53, thus forming a rotary fitting. Actuating member through engagement within inner hexagon 49
When 27 is rotated, the guide member 18 is also moved accordingly.

FIG. 13 In the embodiment, the corresponding components are shown in FIG.
Reference numbers are added to FIG. 2 by adding 300. In this configuration, the four connecting nipples 302, 303,
The axes of all 304, 305 and the valve nipple 311 are in one plane. The reason this is possible is that the distribution holes 317
It is located between the connecting nipples 302, 303 on the one hand and between the other connecting nipples on the other hand. The course of the passage matches that of the first example. Thus, the first passage 332 connects the first connection nipple 302 to the guide member 31.
8 is connected to the end 322 and the second passage 333 is connected to the second connection nipple 3
03 is connected to the end 324 of the guide member 318. Furthermore, the third passage
334 leads from the peripheral orifice 335 to the third connecting nipple 304 via the built-in space 314. The fourth passage 336 is the fourth
Connect the connection nipple 305 to the peripheral orifice 337. A first passage 338, which can be closed by a hollow bush 357, connects the third connecting nipple 304 to the fourth connecting nipple 305. Bushing 357 is press fit into passage 336 and bore section 342, thus closing the mouth of fifth passage 338. In the illustrated embodiment, the valve nipple 311 is plugged with a plug 346 which directs the feed water from the first connecting nipple 302 to the third connecting nipple 307 and returns water to the fourth connecting nipple. The nipple 305 is guided to the second connection nipple 303.

The third passage 334 consists of a bevel hole 358, a blind hole 359 coaxial with the valve nipple, an internal space 314, another bevel hole 360, and a section of a hole 361 coaxial with the third connecting nipple 305. The fifth passage 338 is formed by the last-mentioned hole 361. The fourth passage 336 has a blind hole 362 and an oblique hole 363 extending from the blind hole 362 on the extension of the fourth connection nipple 305. These two blind holes 359 and 362 are for the valve nipple 311.
Alternatively, it can be made when cutting and forming the fourth connection nipple 305. An oblique hole 360 can be drilled from one side of the housing 301 so that the hole 361 and the built-in space 314 are connected. The plug 366 makes it possible to make two beveled holes 358, 363, which block this hole from the outside, so that an auxiliary hole 364, which is later closed by the plug 365, is created between the two connecting nipples 302, 303. To be The axis of the auxiliary hole is parallel to the axes of the two connecting nipples 302 and 303. Two oblique holes 35
8 and 363 can be drilled through this auxiliary hole.
This housing can be reasonably made, as all cutting steps can be done with an automatic punch.

14 and 15 are a horizontal cross-sectional view and a vertical cross-sectional view of the guide member 318, which are made in the vicinity of the peripheral orifice 337 as indicated by the arrow. Three rotational positions are shown, but they are 90 ° apart from each other. Position b corresponds to the closed position in FIG. Guide member 31
When 8 is turned to the position a, the peripheral orifice 337 and the first connecting nipple 302 communicate with each other, while the peripheral orifice 335 is connected to the connecting nipple 303. When rotated to position c,
The connection state shown in FIG. 13 is obtained.

FIG. 16 shows a partially modified guide member 418 for a single pipe installation, in which case an opening 445 is provided in the partition 419.

FIG. 17 shows a guide member 518 having only two through holes on both sides so that the through holes 525 can be seen. The interior 520 extends from one side to the other. This is intended for dual systems.

In the example of FIG. 18, corresponding components are given numbers with 100 added. The housing 601 has three parts: a lower part 601a including first and second connecting nipples 602, 603 and a guiding part 618, a central part 601b including a valve nipple 611 and a fourth connecting nipple 605, and a third part. And an upper portion 601c including a connecting nipple 604.
The first passage 632 and the second passage 633 are completely arranged in the lower portion 601a. The third passage 634 includes a hole section 676 in the lower portion 601a, two hole sections 677 and a receptacle 614 in the central portion 601a, and a passage section 6 in the upper portion 601c.
It consists of 79 and. The fourth passage 636 comprises a central section of the hole sections 680, 681 and a lower section of the hole section 682. The three components are superposed on each other with a sealing disc 683 or 684 interposed therebetween and held together by a fixing screw (not shown).

The fifth passage 638 is blocked by the closing member 639. The closure member can be press fit into the fifth passage or otherwise fixed to the housing. However, by partitioning the housing 601, it is possible to make the closure member 639 integral with the upper portion 601c. In operation, with a cylindrical spear, the upper part is removed and replaced with a replacement part, which does not have a nipple and connects the third passage 634 to the fifth passage 638 as indicated by the dashed line at 601d. .

The housing is usually made of metal such as brass. The guide member and the associated actuating member can be made of plastic material.

[Brief description of drawings]

1, 3, 5, 7, and 9 are vertical cross-sectional views of the pipe joint of the present invention at different functions. 2, 4, 6, and 8 are partial cross-sectional plan views of the same pipe joint with different functions. FIG. 10 is a vertical sectional view of an embodiment of the rotatable guide member. FIG. 11 is a vertical sectional view of an attached actuating member. FIG. 12 is a rear view of the actuating member of FIG. FIG. 13 is a vertical sectional view of another embodiment of the pipe joint. FIG. 14 is a cross-sectional view of an auxiliary guide member for operating a double pipe at various rotational positions. FIG. 15 is a longitudinal sectional view of the guide member at various rotational positions. FIG. 16 is a longitudinal sectional view of a guide member for operating a single pipe. FIG. 17 is a vertical sectional view of a guide member for double operation. FIG. 18 is a vertical sectional view of a third embodiment of the pipe joint.

Claims (21)

[Claims] 1. A housing comprising a distribution hole and four connecting nipples, first and second nipples of which are juxtaposed and connected to a main pipe, and third and fourth of which are connected to each other. The nipples are displaced from each other by 90 °, connected to a radiator, and further provided with a hollow cylindrical guide member that is inserted into the distribution hole to fix the flow path, and one end of the guide member has a first passage. Via the second passage, the other end is connected to another connection nipple, and the first peripheral orifice of the distribution hole is through the third passage. The second peripheral orifice is connected to the other connecting nipple, and the second peripheral orifice is connected to the fourth connecting nipple through the fourth passage. In the radiator pipe joint, the second passage (33,333,633) is connected to the second connecting nipple. Connect to the connection nipple (3,303,603) Is, the third passage (34, 33
4,634) is a pipe fitting for a radiator, which is connected to the third connection nipple (4, 304, 604). 2. A housing (1; 301; 601) comprising a valve nipple (11; 311; 611) adjacent to a built-in space (14; 314; 614) for a valve insert (13; 613). The radiator pipe joint according to claim 1, wherein the third passage (34; 334; 634) communicates with the third connection nipple (4; 304; 604) through the built-in space. 3. The hollow tubular guide member (18; 118; 218; 318; 4).
18; 518; 618) is rotatable in the distribution hole and has a shape such that it can assume at least two different functional positions as a result of the rotation. Pipe fitting for radiator as described. 4. The hollow tubular guide member (18; 118; 218; 318; 4).
18; 518; 618) cylindrical wall has at least one through hole (2
3,25,223; 323,323a, 325,325a; 423,425a; 525), the through-hole overlapping one peripheral orifice (35,37; 335,337) in one rotation position and the wall of the hole in the other rotation position. The radiator pipe joint according to claim 3, wherein the pipe joint is closed by a radiator. 5. The hollow cylindrical guide member (18; 118; 318; 418)
However, due to the partition wall (19; 119; 319; 419), the ends (22,24; 322,
324; 422,424) and is divided into two partial chambers (20,21; 320,321) each with at least one through hole (23,25; 323,323a, 325,325a; 423,425) and two perimeters 5. The orifice according to claim 3, wherein each of the orifices is connected to the first or second partial chamber in the one rotational position and to the second or first partial chamber in the other rotational position. Pipe fitting for radiator as described. 6. The pipe fitting for a radiator according to claim 5, wherein the partition wall (119) has an opening (45). 7. The hollow tubular guide member (218; 518) has a through hole inside (220,520) and one through hole (223; 523).
Radiator pipe joint according to claim 3 or 4, characterized in that each has only one peripheral orifice (35) communicating with the interior. 8. The hollow cylindrical guide member (18; 118; 218; 318; 4).
18,518,618) can rotate to at least one intermediate position at which the peripheral orifices (35,37; 335,
337) is partly covered, Radiator pipe joint according to any one of claims 3 to 7. 9. The rotatable hollow cylindrical guide member (18; 11).
8; 218; 318; 618) is fitted with an actuating member (27,28; 327; 627) passing through at least part of the wall of the housing. The pipe fitting for the radiator according to the item. 10. An actuating member (27, 28; 327, 627) has a peripheral wall with an opening having teeth that mesh with the teeth (47) at the end of the guide member (18; 318; 618), The peripheral wall is provided with first and / or second passages (32,33; 332,333; 632,633) such that the first and / or second connecting nipples (2,3; 30) pass through the peripheral wall.
2, 303; 602, 603). The radiator pipe joint according to claim 9, wherein the pipe joint is for a radiator. 11. The peripheral wall with openings is formed by an axial web (48).
Radiator pipe fitting described in. 12. A fifth passage (38; 338; 638) which can be closed,
It extends between the third and fourth connecting nipples (4,5; 304,305; 604,605) and away from the fourth connecting nipple (5; 305; 605) of the fourth passage (36; 336; 636). 12. A hole section (42; 342) for receiving a cylindrical spear (41) coaxial with the fourth connecting nipple is provided on the mouth side of the fifth passage, and the hole section (42; 342) is provided. The pipe fitting for the radiator according to the item. 13. The radiator pipe joint according to claim 12, wherein the fifth passage (38) can be closed by a closing member (39) which can be inserted therein. 14. The fifth passage (338) can be closed by a hollow bush (357) which is inserted into the fourth passage (336) and covers the mouth of the (338) of the fifth passage. 1
The radiator pipe fitting described in 2. 15. A valve nipple (11; 311; 611) and a fourth.
15. The connection nipple (5; 305; 605) is arranged on a common axis on both sides of the valve housing (1; 301; 601) according to any one of the preceding claims. Pipe fittings for radiators of. 16. A valve nipple (11) having a distribution hole (17).
And a fourth connecting nipple (5) having an axis perpendicular to its common axis, two opposing peripheral orifices (35, 37) being formed by a hole coaxial with said nipple. 16. The radiator pipe joint according to claim 15, wherein: 17. All connection nipples (302,303,304,305;
602,603,604,605), valve nipple (11; 311; 61
1) and the axis of the distribution hole (17; 317; 617) lies in a common plane, the distribution hole being arranged on the one hand between the first two connecting nipples and on the other hand between the other nipples 16. The radiator pipe joint according to claim 1, wherein the peripheral orifices (335, 337; 635, 637) are juxtaposed. 18. A lower portion (601a) of the housing (601) having first and second connecting nipples (602, 603) and distribution holes (617), a valve nipple (611) and a fourth connecting nipple (601). 605) with a central portion (601b),
Pipe fitting for radiator according to claim 17, characterized in that it comprises an upper part (601c) with a third connecting nipple (604). 19. Radiator pipe joint according to claim 18, characterized in that the upper part (601c) can be replaced by a replacement member (601d) without a nipple but with a fifth passage. . 20. A coaxial blind hole (359,362) is provided on the extension of the opposing valve nipple (611) and the fourth connecting nipple (605) in the housing (301), respectively, and is distributed parallel to this nipple. A hole (317) is drilled from one side of the housing, and there are holes on the extensions of the first and second connection nipples (302, 303) respectively, and a parallel auxiliary hole (364) is provided in the distribution hole between the nipples. The two blind holes are connected to the distribution hole through the oblique holes (358,363) inclined in opposite directions, and the virtual extension line of the oblique hole passes through the auxiliary hole and A blocking member (32
The pipe fitting for a radiator according to claim 17, characterized in that the pipe fitting for a radiator is provided. 21. A coaxial hole (361) provided on the extension of the third connecting nipple (304) intersects with a coaxial hole (336) provided on the extension of the fourth connecting nipple (305), Hole (36
0) is the third connection nipple and valve nipple (311)
13. A closing member (366) is provided on the outer side of the oblique hole, which intersects with the valve chamber (314) provided on the extension of the valve and coaxial with the valve nipple (311). 21. The radiator pipe joint according to any one of claims 20 to 20.