DE2102402A1 - Mixing valve - Google Patents

Description

PATENTANWÄLTE « _i

Pr, ier. mat DIETER LOUlS Z I

Di-l-PJiys. CLAUS PÖHLAU

© ipUnfl.RlANZ LOHRENTZ 11.586

8500 NO RN BE RQ
KESSLERPLATZ i

Aktiebolaget. Varganda Armaturfabrik, Varganda, Sweden

Mixing valve

The invention relates to a mixing valve whose housing " Manufactured in one piece and with a first series of through, threaded holes for assembly Of individual fitting parts that work together in pairs, such as valve bodies with a valve seat designed as an inlet, and at least one second series with a thread provided holes for the connection of an outlet.

Mixing valves have so far been manufactured in many different variants in order to accommodate the most varied of conveying (( ments to be able to meet, 'both with regard to the assembly of the mill valve, e.g. as a wall or Tischmont ^ je, as well as with regard to the connection dee Valve to the pipeline network, with straight connections, upward or downward connections, angled connections, etc. may occur. Besides that · Up to now, a distinction has been made between mixing valves for sinks, wash basins, shower or bath systems, e.g.

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in the form of bath and shower faucets and combined bath and shower faucets. The mixing valves listed are also manufactured in different designs, such as those with valve handles turned up or down, with fixed or rotatable spouts and varying lengths and protrusions of the spout. New fittings are also constantly being brought onto the market, while older ones remain in production, which results in a steady increase in the range, fragmented production, delivery problems, storage difficulties and a poor overview of the selection of goods. The large assortment of fittings specially manufactured for each occurring case results in high production costs, since these fittings are only produced in relatively small series compared to the total number of mixing valves of all categories.

The invention is based on the object of using a limited number of fitting units to meet the needs as far as possible, and to create a mixing valve consisting of one or at most two basic types that is so versatile that it can be used for most applications .

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The above-mentioned disadvantages can thereby be eliminated. The present invention provides a fitting system Proposed according to the modular principle, whereby a more efficient production, less expensive storage and transport and a high quality product is guaranteed at a moderate cost.

To solve this problem, a mixing valve is proposed, which is characterized in that the housing in cross section at least two pairs of opposite and has mutually parallel surfaces, which are arranged in planes lying at an angle to each other and are in Extend the longitudinal direction of the housing, and that the housing 'in the threaded holes opposite Areas of greater wall thickness in preparation for the production of any further ones with a thread distort bores, and that all bores have the same major and the same internal thread.

Some exemplary embodiments of the subject matter of the invention are explained in more detail below with the aid of the drawings. It shows:

FIG. 1 is a perspective view of a mixing valve for table mounting;

FIG. 2 is a diagrammatic view of a mixing valve for wall mounting with an upwardly directed Elbow fittings and forward valve handles;

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Figure 3 is a diagrammatic view of a mixing

valves for wall mounting above a washbasin with a fixed spout and straight, after downward pipe connections;

FIG. 4 shows a mixer valve with a selector for a bathtub

or shower between the swiveling spout and the shower connection;

Figure 5 shows a longitudinal section through the inventive Valve housing;

FIG. 6 shows a section along line VI-VI in FIG. 5;

FIG. 7 shows a section through a similar to FIG. Mixing housing with four alternative openings in the middle of the case;

FIG. 8 shows a section along line VIII-VII in FIGS. 5 and 7;

FIG. 9 shows a section along line IX-IX in FIG. 7;

FIG. 10 shows a section on a larger scale Line X-X in Figure 1;

FIG. 11 shows a section on a larger scale Line XI-XI in figure 2;

FIG. 12 shows, on a larger scale, a section along line XII-XII in FIG. 4 and FIG

FIG. 13 shows a section along line XIII-XIII in FIG

The mixing valve according to the invention consists of a housing 1, which according to the illustrated embodiment has a parallelepiped shape with flat surfaces,

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which are easy to work with and which are easy to manufacture thanks to their simple shape (e.g. by permanent mold casting). The housing expediently has a square cross-section and is significantly greater in length than width, the length of one side of the square being understood by width. In the vicinity of the housing ends, bores 2, 3 which are axially parallel to one another and are provided with internal threads 4 are provided. Halfway along the length of the housing there is at least one - preferably several - bore _- 5, 6, 7 and 8. The number of holes depends on the intended use of the mixing valve and how many different mixing valves are to be combined in a basic housing type. The various bores 2, 3 and / 5 to 8 are provided on the interior of the housing - the mixing chamber 9 * with each other, which extend along the _whole: extending housing. The bores 5 to 8, which correspond in size to the bores 2, 3 in the vicinity of the housing ends, are provided with an internal thread 10 which corresponds to the internal thread 4 of the bores 2, 3, m

In Figure 1 it is shown how the mixer housing is designed for table mounting, the bores 2, 3 being arranged vertically. If the housing according to FIGS. 5 and 6 is used, the bore 5 is also arranged axially parallel to the bores 2 and 3. The holes 2 are provided for receiving in each case a shut-off valve 11, 12 is known per se for formation of cold or warm water.

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The shut-off valves consist of a handle 13 _f by means of which a valve body 14 (FIG. 10) can be brought to rest on a valve seat 15 via a threaded spindle (not shown). The valve seat 15 is part of an inlet connection 16 screwed into the bore 3, at the end of which is remote from the valve seat 15 an external thread is provided and which has a conical enlargement on the inside for the connection of an inlet pipe 17.

The mixing valve according to Figure 1 is with a pivotable The outlet 18 is provided, which is screwed tightly in the bore 5 of the housing 1 by means of an eyebolt 19 (FIG. 13) can be. The outlet 18 is connected to the housing at its end with a sleeve-shaped extension piece 20 provided, 'whose free end according to the embodiment of Figure 1 in a bore 5a (FIG. 5) of the housing is guided, while in the exemplary embodiment according to FIGS provided recess 21 is achieved, wherein the plug 22 is screwed into the thread of the bore 6 is. Similar plugs22 are in the threaded holes 7 and 8 (Figure 13) screwed in, as these are not used. Should the outlet 18 be in a other, e.g. horizontal, position are desired, only needs the proper plug 22 from the

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Bore 7 removed and the place of the outlet 18 to be exchanged with that of the plug.

In the embodiment according to FIG. 2, the axis of rotation of the shut-off valves 11, 12 is arranged horizontally and the hot and cold water pipes are connected to the mixer housing via angle connections 23 consist of a departure and yoke body 24 (Figure 11), the end 16 is provided according to the connection with a valve seat 25th The connection body 24 is provided with an angular connection 26 which can be pivoted through 360 ° and which rests in a sealing manner on the housing 1 and with a shoulder on the head-shaped end of the connection body 24 in a sealing manner. The angle connection 26 is designed in the same way as the inlet connection 16 with an external thread and an inner conical enlargement for the connection of an inlet pipe 17 or the like. The mixing valve according to FIG. 2 has two in its ™

Central part arranged bores 6 and 8 are provided, of which in the former a pivotable outlet 18 and In the bore 8 there is arranged a mounting plate 27, by means of which the mixing valve, for example, on a wall can be attached.

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The embodiment according to Figure 3 is a mixed ' valve intended for wash basins or the like, the valve being provided with an immovable outlet 18. The outlet does not necessarily have to be screwed into the front hole 7, but can be in the upper one Bore 5 or lower 6 be attached.

In the combined bath and shower mixer illustrated in FIG. 4, as can be seen from FIG. 12, a connection nipple 29 serving as a control element for a valve body 28 is provided in the bore 5. With the aid of a nut 30, a pipe or hose 31 can be connected to this to form a shower head. The valve body 28 is moved in the direction of the connection nipple 29 towards and away from it by an eccentric 33 which can be actuated by means of a rotary handle 32 in a manner known per se. The eccentric is rotatably mounted in a holder 34 which is screwed into the bore 7 of the housing 1. A fastening plate is arranged in the bore 8 in the same way as in the exemplary embodiment according to FIG.

In the exemplary embodiment of FIGS. 4 and 12, the outlet 18 is pivotably arranged. To this end, the Bore 6 a guide sleeve 35 is attached, in which the extension piece 20 of the spout is rotatably mounted is. The part of the guide sleeve 35 that goes into the

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housing 1 is screwed in, forms a bearing surface 36 for the valve body 28, while a shoulder 37 provided directly adjacent to the bearing surface serves as a guide for the end of the extension piece 20 of the outlet 18 is used.

As is apparent from the described and illustrated embodiments, may with a relatively small number of armature items most overall -M occurring residential installations as well as the desired connections to the V / arm- and cold water supply to be performed. By using angled connections, the most practical position for the handles of the shut-off valves can be achieved.

The invention is not limited to the exemplary embodiments described and shown in the drawings, rather, a number of variations are conceivable within the scope of the claims. In particular, the ™ Mixing housings have a different cross-sectional shape than the square one shown (e.g. the shape of a polygon). It is also possible to arrange the shut-off valves 11, 12 in the bores 2 and 5 next to one another and the outlet to be attached in one of the bores 2 and / or 3 at one end of the housing.

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Claims (3)

Claims 1. J mixing valve having a housing made in one piece and having a first series druchgehender, threaded holes for mounting of pairwise cooperating fitting parts, such as valve bodies having trained as an inlet valve seat, and at least a second series of threaded holes for the connection of a Outlet is provided, characterized in that the housing (1) in cross section has at least two pairs of opposite and parallel surfaces, which are arranged in planes at an angle to each other and extend in the longitudinal direction of the housing, and that the housing in the threaded Boreholes opposite areas has greater wall thickness in preparation for the production of any further threaded holes, and that all holes (2, 3, 5, 6, 7, 3) have the same diameter and the same internal thread (10). 2. Mixing valve according to claim 1, characterized in that the housing (1) is square in cross section. 109831/1507 3. Mixing valve according to claim 1 or 2, characterized in that opposite a -: ra connection of an outlet (18) serving bore (5) in the housing (1) a to the bore coaxial blind hole (5a) as a guide for one end of the outlet (18) is provided. 109831/1507 Lee r side