DE202008003570U1 - Distributor valve with integrated flow measuring device - Google Patents

Abstract

distribution valve (1) with integrated flow measuring device (2), in particular for hot water heating systems, for use on a conduit (3), wherein in the distribution valve a lockable Valve seat (55) and for this purpose an axially movable closure part (6) provided are, wherein a portion of the closure member (6) in a fastener (4) is held and managed, which (4) from the outside at an opening (31) is disposed in the conduit (3) and said section of the closure part has a grip element, characterized that the closure part (6) and / or the leading fastener (4) one with the opening of the Distribution valve (1) associated axial displacement of the closure part (6) limiting stroke limiter (7, 7 ') is assigned.

Description

The The invention relates to a distribution valve with a flow meter especially for hot water systems.

Out The prior art is combined with a flow meter Distributor valves for Hot water heating systems known, for use in a main line and / or several thereof branching off connecting lines. In the distribution valve, a closable valve seat is provided and a flow meter with a display.

The Display that is longitudinal an axis in a radially projecting into the conduit connecting pipe of the distributor valve, consists of a through the flow in the Connecting pipe deflectable flow part, its respective position in the connecting pipe to indicate a flow rate the medium through the connecting pipe, the outside of the flow meter is readable.

By means of a closure part, an outlet opening provided in the connecting pipe, the valve seat, is opened or closed by rotation on an adjusting element for adjusting the flow rate of the medium. Such a distribution valve is z. B. from the EP 1 734 346 A2 known.

These Distributor valves are used to balance the individual lines, for the prevention of power losses, as well as for hydraulic Compensation in the hot water heating system.

adversely with these inventions is that for a precise regulation of the required Flow rate, depending on version, more or less instinct and responsibility the operator is required during adjustment.

outgoing From this prior art, the object of the invention is to a generic distribution valve to improve with a flow measuring device such that a set position of the valve body with respect to a flow rate multiple times successively - reproducible is.

Is solved this task by a distribution valve with the features of the claim 1. The subordinate claims Figures 2 to 10 disclose further embodiments of the invention.

core the invention is that a distribution valve with flow measuring device, a the stroke of the valve body to open the distribution valve, limiting presetting assigned is.

A particularly preferred embodiment is seen in that the closure part and / or the leading Fastener as presetting a stroke limiter is associated with the opening the distribution valve associated axial displacement of the closure part limited.

A advantageous variant is also seen in that of the closure part and / or the leading one Attachment associated stroke limiter of an axially movable Setting member and a fuse element is formed.

The Adjusting member is according to one embodiment, an intermediate part, which concentric with the axis of movement of the valve between a portion of the valve Fastening element and a portion of the closure member arranged is.

Preferably the intermediate part is a cylinder body, the upper side one Has collar and from the lower side in the axial direction a body continuous internal thread and an external thread are provided wherein from the upper side in the direction of internal thread a recess is provided, in which a stop member is arranged.

A further advantageous variant of a first embodiment is also seen therein that the securing element is a locking member, wherein the locking member with his cylindrical body concentric around the outside Section of the fastener disposed axially displaceable and the locking member form-fitting is connected to the intermediate part of each of its possible axial positions.

Prefers indicates the cylindrical body the locking member from its upper end face in the direction of his lower face a through-hole with longitudinal grooves, a central bore and a front bore, wherein the lower face near body area formed as a flange and from the lower end face a hexagonal-shaped Recess is provided.

To a second embodiment is provided that the axially movable adjusting member for the stroke limiter from a barrier cap and a cooperating with the latter stop sleeve and the securing element is formed by a retaining ring which is on the outer jacket of the Locking cap detachable and is arranged lockable.

It is preferably provided that the locking cap has a sleeve part, one end has an inner collar and the inner surface of the sleeve part is formed as an internal thread. The stop sleeve has an inner flange at one end and an outer flange at the other end. The inner surface of the stop sleeve is equipped with longitudinal grooves. When installed, the outer flange of the stop sleeve engages with fully open valve body to the inner collar of the locking cap. The inner flange of the stop sleeve is hinged to the end of the valve body. If the valve body is moved axially outward to open the distributor valve, the stroke is limited when the outer flange abuts the inner collar of the barrier cap. By the circlip, the locking cap is locked against axial movement in longitudinal grooves of the external thread of the fastener with the setting of the stroke limit.

functionality a first embodiment of the new distribution valve is set forth below. First is to release the lock from the locking member, by pulling it selbigem until the inner hexagon is free and the locking member at the same time with the upper portion of the valve body Form fit receives. Now, by turning the locking member of the valve body in shifted axially outwards, the valve seat opened and the desired one Flow adjusted. This movement becomes synchronous to the shift of the adjusting member in the axial direction of the valve body in the same direction moves without its position / position relative to the Upper range of the setting element is changed. Subsequently, will the locking member pressed down again until its inner hexagon on the outside hexagon is deferred. Now that's about the desired Flow rate axially positioned adjustment against displacement secured. Thereafter, by actuation of the valve body by Grasping a provided at the upper portion of the valve body handle element the valve body from his opened by making the default Position moved to a closed position. At a subsequent (To open again of the manifold valve by moving the valve body, the latter can only until be moved to the predetermined maximum position, this corresponds the desired flow rate.

By the default setting along with locked position of the setting becomes a reproducibility of the preset flow rate guaranteed.

following is still the operation of the second embodiment described set forth the new distribution valve.

The Securing element, the retaining ring, is out of its locked position solved. Part of the adjusting element, the locking cap, is screwed up. Thereafter, the valve body twisted on its handwheel until the required flow rate is regulated is.

thereupon the locking cap is rotated against the stop sleeve belonging to the adjusting member, so that stop sleeve and locking cap together for a reproducible adjustment of the flow rate required Limit maximum lift.

Then will be in the outer jacket the locking cap held circlip locked again and the Setting member secured against rotation.

Now If necessary, the distribution valve can be closed. By the Locked position of the locking cap is when opening the distribution valve a Reproducibility of the preset flow rate guaranteed.

The Invention is described below with reference to schematically in drawings illustrated preferred embodiments closer and closer explained in details.

It demonstrate:

1 in a cross section a novel distribution valve according to the invention, screwed into a conduit, in a basic position "closed";

2 the new distribution valve 1 in a first operating phase regarding the setting of the default setting;

3 the new distribution valve 1 in a second operating phase;

4 the new distribution valve 1 in a third operating phase, completion of the presetting, valve open;

5 the new distribution valve 1 with preset setting, valve closed;

6a and 6b Details of the new distribution valve 1 , with closed and opened valve;

7 in a half section, a second variant of a distribution valve with means for presetting, valve closed, and

8th the distribution valve after 6 , Valve open.

In the 1 is the new distribution valve 1 with integrated flow measuring device 2 in a first embodiment in cross-sectional representation shown schematically. The distribution valve 1 consists of an upper group 1a and a lower group pe 1b , The upper group 1a is with one to the distribution valve 1 belonging Befestigungselemtent 4 in an upper opening 31 in the conduit 3 established. Opposite is lying in the conduit 3 one under opening 32 provided, passing through these two openings 31 . 32 mentally laid longitudinal axes, which are not shown for clarity, aligned with each other. At the bottom opening 32 are components of the lower group 1b of the distribution valve 1 specified and here in a special design a connection pipe 5 , The valve body 6 of the valve 1 is in the fastener 4 guided longitudinally displaceable.

The distribution valve 1 is now in a new and inventive execution of a stroke limiter 7 assigned. This stroke limiter is preferred 7 at the upper group 1a of the distribution valve 1 integrated. In special execution according to the 1 to 6b is this stroke limiter 7 on an outside section 41 of the fastening element 4 arranged and variably adjustable.

In a preferred embodiment, this stroke limiter 7 from an adjusting member, an intermediate part 8th and a securing element, here the locking member 9 ,

The intermediate part 8th is effective with the locking member 9 , the valve body 6 and the valve body 6 leading fastener 4 in connection. Concerning further technical details at the new distributor valve becomes in the following on the 2 to 6b Referenced.

The intermediate part 8th is concentric about the longitudinal axis of the distribution valve 1 , here in special execution, in an outer section 41 of the fastening element 4 provided internally threaded bore. For this purpose, the cylinder body 81 of the intermediate part 8th with an external thread 86 fitted. In addition, on the cylinder body 81 a continuous internal thread 85 intended. This internal thread 85 accesses one in the upper area 61 of the valve body 6 provided external thread 69 one. One on the upper side 82 the intermediate part provided federal government 83 is with the locking member 9 at least positively connected, wherein the locking member 9 concerning the intermediate part 8th is axially displaceable without losing the positive connection.

The locking member 9 is with his cylindrical body 91 concentric around the outside section 41 arranged axially displaceable of the fastening element. From the lower end face 93 out is in the locking member 9 a recess 94 intended. So that the cylindrical body 91 slim and thin-walled can be kept, is the lower end face 93 near area as a flange 95 educated.

This flange 95 overlaps the hexagonal collar 42 of the fastening element 4 and the recess 94 engages positively over this hexagonal collar 42 over, so that in this position, the locking member 9 and thus also with the locking member rotatably connected intermediate part 8th are releasably locked.

The pipe 3 has - seen in cross section - an upper opening 31 and a lower opening 32 which are both arranged in alignment with respect to an imaginary joint, passing through the cross-section axis.

The fastener 4 has a respect to the conduit 3 outboard section 41 with an internally threaded bore and an axially inwardly directed, radially lying hexagonal collar 42 , Starting from the one end side and extending to the other end side is in the fastener 4 a through hole 44 provided, which is a guide for the valve body mentioned below 6 is. In addition, on the fastener 4 another internal section 43 provided, which is equipped with an external thread. With this external thread is the fastener 4 in the upper opening 31 of the conduit 3 established. The fastener 4 is with this inside section 43 screwed in until the hexagonal collar 42 on the outer wall of the conduit 3 firm and liquid-tight.

In the lower opening 32 of the conduit 3 this is the lower group 1b the distributor valve associated connection pipe 5 established.

This connection pipe 5 has a cylinder body 51 whose from the federal government 52 stepped threaded pin in the lower opening 32 is screwed in until the collar is tight and liquid-tight on the outside surface of the conduit 3 is applied. The connection pipe 5 also has a through hole 53 with an outlet opening pointing downwards in the figures 54 , In the near area to the outlet 54 is in the through hole 53 the valve seat 55 of the distribution valve 1 arranged. On the valve seat 55 , that is lying on its outer circumferential surface and partly in an annular groove provided there is a seal 56 , preferably an O-ring, provided.

The flow measuring device 2 consists of a housing 21 (partly transparent), a pestle 22 with inflow, an energy storage 23 (Spring) and a display part 24 ,

The valve body 6 this distribution valve 1 is schematically shown in an upper area for illustrative presentation 61 , in a middle area 62 and a lower area 63 subdivided. At or in the upper front side 64 is the case 21 the flow meter 2 arranged. This is in the upper front side 64 provided a blind hole. The valve body 6 also has a through hole 65 in which the pestle 22 the flow measuring device is mounted so that in one piece with the plunger 22 connected inflow member - in its basic position - in the middle area 62 lies. The through hole 65 is towards the lower end 68 of the valve body 6 sectionally enlarged in diameter and has below, at the lower end 68 , the largest inside diameter in terms of amount. In the middle area 62 is also at least one through hole 67 provided through which the fluid supplied in the conduit flows to the valve seat and in the open position in the branch 11 arrives.

In the 6a and 6b is the location of here as an intermediate part 8th trained adjusting member of the stroke limiter shown in its normal position. The locking member 9 is in the 6a pushed axially upwards and now form-fitting with the intermediate part 8th and the upper area 61 of the valve body 6 positively connected. The intermediate part 8th lies with its lower end face still on the reference surface 45 of the fastening element 4 at. The position of the stopper 10 with respect to the reference surface 45 is here marked with the distance L1. By rotational movement of the locking member 9 in which synchronously the valve body 6 is also moved axially, this moves in the intermediate part 8th held stop part 10 to a position whose distance from the reference surface 45 with the distance 12 is marked, this 6b , The difference between the distance L1 and the distance 12 is in these two opposing figures with the distance 13 designated. This position change, the distance 13 , corresponds to a certain flow rate. After pushing down the locking member 9 is the setting member, here the intermediate part 8th , fixed and locked in position, as the locking member 9 , as already described above, on the fastener 4 is held against rotation. To close the distributor valve 1 becomes the valve body 6 turned in until the lower end 68 or at this provided Innenkonen on the valve seat 55 is applied. To open the distribution valve 1 becomes the valve body 6 moved out in the opposite axial direction by rotational movement until the external thread 69 at the stop part 10 abuts, ie the preset position, which corresponds to a certain flow rate, is set. The closing and opening can be repeated several times and each time when opening a reproducible open position can be produced.

Between the end of the external thread 69 and the stopper part 10 can, if necessary, still be arranged an attenuator, so that the outer thread of the external thread 69 not damaged.

A second embodiment of the new distribution valve with integrated flow measuring device is in the 7 and 8th shown. Here is a stroke limiter 7 ' used, in which the adjusting member is in two parts and a locking cap 14 and a stop sleeve 15 consists. In addition, here is the securing element by a locking ring 145 formed, which on the outer jacket 144 the locking cap 14 is arranged. In these figures, the same components with the same body portions as in the first embodiment described above are designated by the same reference numerals. This with the reference number 12 provided fastener is at its outer portion 121 also provided with an internally threaded hole, which is also designed here as a blind hole. To the outside section 121 also belongs a covenant 122 with which the fastener 12 on the outer surface of the conduit 3 firm and liquid-tight. Above this covenant 122 is, preferably about half the body length, on the outer diameter of this outer portion 121 a threaded ring 124 plugged and locked, the 124 an external thread 125 having. In this external thread 125 are several longitudinal grooves 126 incorporated.

The valve body is in this embodiment with 13 designated. Its lower section 63 and its middle section 62 are identical to the valve body 6 the first embodiment described above. The upper area of this valve body 13 here bears the reference number 131 , In this upper area 131 is a male threaded section 132 provided, which axially outwardly directed by a stop collar 133 is limited. On the outermost outer end portion of the valve body 13 is a stop sleeve 15 , directed axially towards the body, fitted, which is described further down in detail and function.

The locking cap 14 consists of a sleeve part 141 with an inner waistband at one end 142 has and inside to the other end face towards an internal thread 143 , The outer jacket 144 is equipped with several handle parts. In addition, in this outer jacket 144 in the area of - in the drawing - the lower end provided an annular groove in which the retaining ring 145 is mounted rotatably. In addition, pass through, not shown in the drawing, through holes the outer jacket, through the portions of the retaining ring 145 with corresponding position of the same 145 through and in at least one longitudinal groove 126 engage and thus the locking cap 14 Lock against axial displacement by a rotation was created.

The in this second embodiment together with the locking cap 14 the adjusting member forming stop sleeve 15 is one end with an inner flange 151 and at the other end with an outer flange 152 fitted. From the one, in the drawing of the lower end face inwards to the inner flange 151 reaching inner lateral surface is with longitudinal grooves 153 fitted. This stop sleeve 15 is over the end outer diameter of the valve body 13 pushed. Form fit is created by the knurling of this outer diameter of the valve body 13 and the inner longitudinal grooves 153 the stop sleeve 15 , The axially outwardly directed end face of the stop sleeve 15 closes with the end face of the valve body 13 essentially flush. The end portion of the outer diameter of the valve body 13 is also designed so that the inner flange 151 to a correspondingly formed paragraph in the outer diameter of the valve body 13 is applied.

The Although several features identified above have been identified preferred embodiments, however, other embodiments of the invention will be as discussed mentioned, considered. This disclosure provides illustrative embodiments of the invention as examples and not as limitations. The expert can Numerous other modifications and embodiments are devised fall within the scope and spirit of the principles of the invention.

The new distributor valve can be used on manifold valves with integrated Flow meter used in a variety of designs become independent how the valve seat and / or valve body are molded and depending on their location.

1, 1'

distribution valve

1a

upper group of pos. 1

1b

lower group of pos. 1

2

Flow meter

 21

Housing (partly transparent)

 22

Pestle with inflow element

23

power storage (Feather)

24

display part

3

Pipeline

31

upper opening in Pipeline

32

lower opening in Pipeline

4

fastener

41

outside Threaded hole section

 42

Allen-Bund

43

Inside lying section with external thread

 44

Through hole (guide for pos. 6 )

45

reference surface

5

connecting pipe

51

cylinder body

52

Federation with remote threaded stem

53

Through Hole

54

outlet opening

55

valve seat

56

Seal (O-ring on lateral surface pos. 55 in ring groove)

6

Valve body (tubular element)

61

upper range of pos. 6

62

middle range of pos. 6

63

lower range of pos. 6

64

upper front

65

Through Hole

66

outer jacket surface

67

Through Hole

68

lower front

69

external thread

7, 7 '

stroke limiter

8th

intermediate part

81

cylinder body

82

upper page

83

Federation

84

lower page

85

inner thread

86

external thread

87

Recess for pos. 10

9

locking member

91

cylindrical body

92

upper face

93

lower face

94

recess (Hexagon shaped)

95

flange

96

Through Hole with longitudinal grooves

97

middle drilling

98

front drilling

10

Stop part (eg snap ring) in pos. 8th

11

diversion (Pipe)

12

fastener

121

outboard Threaded hole section

122

Federation

123

face

124

threaded ring

125

external thread

126

Longitudinal grooves in pos. 124

13

valve body

131

upper range of pos. 13

132

Externally threaded section

133

stop collar

134

handwheel

14

Guard cap

141

sleeve part

142

inner collar

143

inner thread

144

outer sheath with handle parts

145

circlip

15

stop sleeve

151

inner flange

152

outer flange

153

longitudinal grooves

L1

Distance from pos. 10 with respect to a reference surface

L2

Distance from pos. 10 in a second position with respect to the same reference surface

L3

difference between the distance L1 and the distance L2

Claims (10)

Distributor valve ( 1 ) with integrated flow measuring device ( 2 ), in particular for hot water heating systems, for use on a conduit ( 3 ), wherein in the distribution valve, a closable valve seat ( 55 ) and this an axially movable closure part ( 6 ) are provided, wherein a portion of the closure part ( 6 ) in a fastener ( 4 ) is kept and run, which ( 4 ) from the outside at an opening ( 31 ) in the conduit ( 3 ) is arranged and said portion of the closure part has a handle element, characterized in that the closure part ( 6 ) and / or the leading fastener ( 4 ) with the opening of the distribution valve ( 1 ) associated axial displacement of the closure part ( 6 ) limiting stroke limiter ( 7 ; 7 ' ) assigned. Distributor valve ( 1 ) according to claim 1, characterized in that the stroke limiter ( 7 ; 7 ' ) of an axially movable adjusting member ( 8th ; 14 . 15 ) and a fuse element ( 9 ; 145 ) is formed. Distributor valve ( 1 ) according to claim 2, characterized in that the adjusting member is an intermediate part ( 8th ), wherein the intermediate part ( 8th ) concentric with the axis of movement of the valve ( 1 ) between a portion of the fastener ( 4 ) and a portion of the closure part ( 6 ) is arranged. Distributor valve ( 1 ) according to claim 3, characterized in that the intermediate part ( 8th ) a cylinder body ( 81 ) whose upper side ( 82 ) a covenant ( 83 ) and from its lower side ( 84 ) from inside the body a continuous internal thread ( 85 ) and a body-directed external thread ( 86 ) are provided, wherein from the upper side ( 82 ) out in the direction of the internal thread ( 85 ) a recess ( 87 ) is arranged, in which a stop member ( 10 ) is arranged. Distributor valve according to claim 2, characterized in that the securing element is a locking member ( 9 ), wherein the blocking member ( 9 ) with its cylindrical body ( 91 ) concentrically around the outer portion ( 41 ) of the fastening element ( 4 ) is arranged axially displaceable and the locking member ( 9 ) with the intermediate part ( 8th ) is connected to each of its possible axial positions. Distributor valve according to claim 5, characterized in that the cylindrical body ( 91 ) of the locking member ( 9 ) from its upper end face ( 92 ) from in the direction of its lower end face ( 93 ) a through hole ( 96 ) with longitudinal grooves, a central bore ( 97 ) and a front hole ( 98 ), wherein the lower end face ( 93 ) near the body area as a flange ( 95 ) is formed and from the lower end face ( 93 ) of a hexagonal recess ( 94 ) is provided. Distributor valve according to claim 2, characterized in that the adjusting member of a locking cap ( 14 ) and a stop sleeve ( 15 ) is formed. Distributor valve according to claim 7, characterized in that the stop sleeve ( 15 ) with its inner flange ( 151 ) engages the top of the closure part and with the provided at its other end outer flange ( 152 ) with an inner collar ( 142 ) of the locking cap ( 14 ) cooperates. Distributor valve according to claim 7, characterized in that the blocking cap ( 14 ) an internal thread ( 143 ) with which it ( 14 ) for the purpose of axial displacement rotatable on an external thread ( 125 ) of the fastening element ( 12 ) is rotatably arranged. Distributor valve according to claim 2, characterized in that the securing element is a retaining ring ( 145 ), which in the outer jacket ( 144 ) a locking cap ( 14 ) is arranged releasably and lockable.