DE1921779C - Mixing valve with pressure-independent flow regulation - Google Patents

Description

3 4 ^!

of a water drain valve body and that of the The edge of the opening 25 of the

two water supply valve body formed base, curved curve, the two ^ syui

located Krümmungsrnittelpunktes the Beruh- areas ^aufwe: st, occurring in AERN · - - _{Q &} shape

approximately surfaces around the base of each of these exemplary implementation gleichschenk- in wesenUicne ^Q J _{fae the} corner

ligen triangles are writable. 5 of a rectangle that un w »^. ^^

In the drawing, embodiments of the open and on the sides ües κ.et ^, ^ n is

Subject of the invention represented other symmetrical ^two P ^e "^, JL opening 25

It shows (Figs. 2 and 4). The exact shape aer

FIG. 1 is a mixing valve according to the invention is hereinafter ^nor | ^a " ^tc ^ * ^e L _enac hfollowing

axial section, in a partial representation and in ge ίο In Figs. 5 and 6, aui oie ^ fulcrum of the

closed position. Description refers to is JJ ^^^ gamttßlpunW

Fig. 2 shows the mixing valve according to Fig. 1 in a ball joint21, at 3J απ * \ ^ 34 _de r

sees along the arrows 2-2 the Fi * 1. des. · Ρ «^ κΑ? Α ^ valve« *;

F1 g. 3 the mixing valve according to F1 g. 2, cut

along line 3-3 of FIG. 2, but in closed 15
a position,

F i g. 4 the mixing valve according to FIG. 3 in one.

along the arrows 4-4 of FIG. 3, movement of the «^" ^. F "^

FIGS. 5 and 6 show the mixing valve according to FIG. 1 in the ball joint 21

Fig. 5 and 0 aas Miscnventi. after Mg. 1 im ucb ^> hs ^ »« αΓγ Kneel 17 on a sphanscnc »

axial section, in a partial representation, in a center point 35 of the ball _{(J zw} j _s chen

other scale, under a schematic veranschau- surface, the radius of which is gieicnlu «^ ^ ^ ^ _{& c}

Enhancement of the mode of operation of the mixing valve and the center of curvature points ^^^ ", gieich-

F i g. VerDraufsicht 7 is a mixing valve of the invention in the ball 17 co »a ooer. ^ _F j _g 5, in another embodiment. Timely supports Betracn «i. _{Ku d 17} on

The mixing valve shown in Figs. 1 to 4 as illustrative scheme, in demμ ^ _ersenen that

has a housing 10 which, with four water through the Venülkorper 13 α aDsiu zi, ^ _spherical he

Laufkanälenll, 12, 13, 14 is provided. the to the center. J5 aer_ ivug ^, _nkt32 des drove the hot water, to the supply of the cold area 36 around the ^ΚΓ "^" ^η85 ™ _ηπ ^V Theoretically

Water (Fig. 1), to the drainage of the mixed water ball joint 21 ^ rub ^. ^ _Spheri .

sers in the bathtub and to the drain de; mixed 30 ^the _u ^M * ^tel P ^un * \ ^ _{n whose} curvature

th water for the shower (Fig. 3). These four see area 37 ^ ^sc £ ^ '^ "elpunkt 33 des

Channels open at four symmetrically with respect to the center in ° ^em * ^ru ™ \. _h V _it t line of the areas

at 16 indicated axis of the valve anoidnct valve body «« » ^e | ¹ · “Enrollment of the movement of the

Sitting in a mixing chamber 15. 36, 37 never defines .. ο

To the passage of water through the seats election 35 ^hands, 8 ^{n, FFEs} ^ "..". "" Example to be able to regulate, is in the mixing chamber 15
a valve member arranged in the form of a ball 17, the four valve bodies with a spherical
Head part 11a, 12a, 13a, 14a carries the symmetrical
arranged to the center of the ball on the ball 4
are fixed and which each cooperate with four elastic valve seats which are formed by compressible sealing rings 18 which are shown in
Recesses around the mouth of the channels

11, 12, 13, 14 sit in the mixing chamber 15. < _P ia, - _t , scnen u ^^ 'b— ·

The mixing chamber 15 is covered by a hood 19 Je ^ on dem etoüscnen ^^ mu ^

completed on the housing 10 by means of a seat. ™ ^sacn ''': £ f *

Screw 24 is attached. To operate the mixing wedge of the handle «; 2

valve is a handle 20 connected to a a f ^T / £? ™ * Ls ™ ball joint 21 connected forming dome "t. 50 that the valve body

Between the hood 19 and the housing 10 as well as the ^M 'f «^ _{η wirü U11U} _

between the ball joint 21 and the hood 19 are "™ ^Sl J" ^a ° ^ ™ ° £ ⁿ _bathtub and those of the

Sealing rings 22, 23 arranged, the zui mutual Zeitie through the. . ....._, .—

Serve to seal these organs. The ball joint
21 sits inside the mixing chamber 15, while the 55th
Handle 20 through a central opening 25 of the hood

JXSl ^ A ¹ SA ¹ J !? Ä1 £ sj-H-EST ....

the outer surface of the ball joint 2. eccentric -rbindet wah end d, ^ ^ ^

is arranged. . .. ν "Inkörnir running line 38 arranged s.nd.

The cold and hot water supply lines can valve _bodies ^{«g 8} ^ ™ The diagram shows the

on threaded lugs 28, 29 of the housing 10 attached to ^D * _c U _cn ku5i the S Π around two valve bodies

are screwed, while the mixing valve 6 ₅ Yf ^ * ^ * Jj _a 3 14 «and

Lines leading to the bathtub and shower ⁿ . ^a ^ "^, X ^" 1 "or 12". The M.UcI-

to connecting piece 30, 31 of the housing 10 (F. g. 2 an EmlaßvenUlkorper ^ _{{m g | e} , _ch .

to 4) can be connected. P ^unkt ** ^{suzl uc p}

Lateral triangle, the base of which moves the curved part 25 α to the part 25 b , the warming centers of the two spherical valve water inflow via the seat 11 is increasingly throttled, body connecting the straight line during the cold water inflow over the seat 12 to the ball 17 is pivoted. The spherical surface is opened Referring until the Warmwasserzufluß 36 will now be cut by einefn circuit 39 which is completely cut off at 5, when the handle 20 DIE to the rotation of the center point 35 to the base of the part abuts 25 b and in Fig 6 is described with an isosceles triangle. Who takes the lighter position. If the handle 20 intersects the circle 39 with the surface 36 which is then defined radially to the center point, the seats limiting the angular movement of the handle 20 11, 13 are increasingly closed. About with respect to the center of curvature 32 of the Ku-io guidance of the handle 20 in the top gelgelenkes 21. This limitation is of one of the opening 25, the regulation of the through portions 25 of the opening 25 b formed. Two inward shower associated water drain 14 flowing off projecting parts 25 c of the opening 25 force the water, the water inflow over the seats 11, handle at the transition from the spout in. 12 in the same way as the position assigned to the shower in the position for 15 hang with the drainage of the water into the bathtub the outlet into the bathtub is regulated in a position in which all seats are inevitable closed in F i g. 7 is a modified embodiment. the opening 45 shown in the hood 19, which for

The mode of operation of the mixing valve is determined by a mixing valve that only has a single

reference from Fig. 2 following: has so umpteen water outlet also in this case

If the handle 20 is in the lower part of the ball 17 with four valve bodies 11 α, 12 α, Opening 25 pivoted so that the water 13 a, 14 α is equipped, while the seat 14 of the

outlet 13 in the bathtub is regulated. If the valve body 14 a blind, but also with one

Handle against the surface 25 α of the lower part of the elastic sealing ring 18 is fitted to the

the opening 25 pressed, the ball 17 takes the 35 actuation of the handle 20 in the

S a position illustrated in Fig. 5, 6 shown hatched compression zones

Seat of the channel 14 closed and the seats between the spherical surfaces 36, 37 and the Channels 11, 12 are open, so that through the channel spherical surface 36 and the circle 39

13 Equip one with equal parts of cold and warm.

Water existing mixture flows off. If this is followed by 30 The screw 24 allows the rest of the

the handle 20 to the right, that is to say to compensate for play from the lichenfalls.

For this purpose 2 sheets of drawings

Claims (2)

The invention relates to a mixing valve with a ball joint in the valve housing. Claims: SÄlTViÜ. 88 ^ YES one through the manipulation g - vι c venrilorean the four symmetrical to the center 1. Mixing valve with a by means of a ball 5 ^Ven ^ ° ^ 'arranged, each one spherical joint in the valve housing pivotably mounted des ^ve ° "'"' | _{u carrying} valve bodies with iron, from Operating handle and one through the sight ^ P ^. - _{because there is one} opposite - tätigungshandgriff controlled valve body which ° ^enes. "T ^ asserdurchfliißkanal assigned ELA four symmetrical to the center of curvature of the den, one w «u> _{steer where} ^ ₆ water flow Valve organ arranged, each one sphan io sweet venu _wass ^ _{za u} hr _j the cold water s head part exhibiting valve cam carries, ^fl ^ * "^ -K an outflow of the of which at least three each have an opposite- ^^^^ W di sh pg ^ ^ -K an outflow of "opposite, a Wasserdurchflußkanal to-serve ^the water" ^^ "° SSceit during the mixing of ordered elastic control valve seat of which at least three in each case a counter ^^. ^, ^, where the "^ scnwi g * ^^ ^^ _den ^^ the water flow ^{channels of the hot water supply," 5 warm} _fl ^em _R "" j ^ S discharge of the mixed water of the cold water supply and at least one drainage inflow ^ the Aonun s in particular the flow of the the inflow channels coming without .lfenahme a reu water supply water serve, thereby .gekennzeich- independent of the pressure in the wasserzurunr η et that the valve member (17) spherical and lines to regulate. . . j _{dm Ve} ntilmit congruent contact surfaces (at 26) in * o It is known eir'Mischvenül, be ^ ^'n J ^ent "a hemispherical dome L ball joint (21) organ with halbkugeligendie What * ™ Utfungen and outside of the pivot point (32) of the ball - the water drainage ^ «^ J ^^ Jg '^ j ^Ol joint (21) lying in the valve housing (10) is seen. The ^venule _n ^orß _n ^an _rie ^ ^an v _e SehW ee the center of curvature (35) the calming one piece in one by 'VenOlgj ^ u ^ ge) did bi Bhandgriff ^ ebüdeten the center of curvature point (35) of the base in one piece with one rungsflächen (at 26) is arranged and with the »5 articulated Betaügu ^ handle Coincidence of these two points (32,35) fingers ve; the pivots are in ^ one interconnecting straight lines engages with the axis of the valve member. The "™ P £ (16) d Mihtil ll Sit (11 to 14) by construction then consists ^d f / ™ ^a J ^e interconnecting straight lines with the axis of the Ventig g £ ^^ (16) of the mixing valve all seats (11 to 14) by construction then consists ^d f / ™ ^a J ^e "Λ?""'° T the associated valve body (11 α to 14 a) removing valve member ™ t the end dI «Fingers ^ des are locked and that the pivoting angle of the operating handle is in * ° * ™ ^ ¹ ^ * ™ * ™ * operating handle c (20) with respect to the axis. This means that the setting Jcs (16) of the mixing valve is at least within a valve member, in particular on the d, e side to η h of the stop extending around the axis (16), always with the required level of accuracy, this is limited by the cut and the mode of operation of the valve, which is not always free of the wall when the center of curvature is rotated. tes (35) of the contact surfaces (at 26) around the aim of the invention is to provide a mixing valve of the un- To create the center of curvature (33) of at least one type mentioned above that overcomes this bclwe -.ny- water drainage valve body (13 "to 14a) and, with more precisely regular writing, surface (37) with the Kriim- solubility and simple structure by emc mungsmittclpunkt (35) of the contact surfaces 40 excellent functionality. (at 26) when rotating about the pivot point (32) For this purpose, the mixing valve according to FIG of the ball joint (21) described spherical invention, characterized in that the valve surface (36) as well as through the intersection of these with organ spherical and with conconents surrounding them Center of curvature at the pivot point (32) surfaces in a hemispherical dome of the ball Ball joint lying spherical surface 45 joint with outside the pivot point of the ball (36) with circles (39), which Krumjeweils in the rotation of the joint in the valve housing arranged at the top of an imaginary center point of the contact surfaces leg triangle, with one through the ver and when these two points coincide straight lines connecting the lines of curvature intersection with the acrise (33) the spherical surface of at least one 50 of the mixing valve all seats through the associated Water drain valve body (13o, 14 a) and each valve body are shut off and that the benwenkner of the two water drainage valve bodies (Hfl, angle of the operating handle with respect to the 12 a) formed base, located at least one axis of curvature of the mixing valve center (35) of the contact surfaces (in the case of the abutment plane extending around the axis 26) lies around the base of each of these isosceles 55, which is delimited by the line of intersection of the at Triangles are writable. Rotation of the center of curvature of the 2. Mixing valve according to claim 1, characterized in that it is marked around the center of curvature, that the elastic valve seats (11 described least one water drain valve body to 14) in a mixing chamber (15) of the mixing surface with that of the center of curvature of the valve each open in a plane, the normal 60 contact surfaces when rotating around the turn to a spherical described the pivot point (32) of the ball joint point of the ball joint kes (21) with the center of curvature ('33) of the surface, as well as through the intersection of this with spherical surface of its valve seat each its center of curvature at the pivot point of the shut-off valve body (11 a to 14 λ) ver ball joint lying spherical surface with binding straight line (38) runs. 65 circles, each at the rotation of the Tip of an imaginary isosceles triangle with a straight line connecting the centers of curvature the spherical surface at least