DE202013010544U1 - Absperrelnrichtung - Google Patents

Abstract

Shut-off device (1), in particular ball valve, - the shut-off device (1) being installable in a pipeline (R), - the shut-off device (1) being a housing (2), a shut-off means (3, 4), an actuating shaft (5) and a drive means (6, 7), - the shut-off means (3, 4) being mounted in the housing (2), - the actuating shaft (5) through a flange (8) of the housing (2) with the shut-off means (3, 4) is connected in a rotationally fixed manner, - the actuating shaft (5) being connected to the drive means (6, 7), - a flow channel (DFK) between a first connection (9) and a second connection (10) of the housing (2) can be closed and opened by actuating the shut-off means (3, 4), - the actuating shaft (5) comprising a through hole (11), - the through hole (11) the actuating shaft (5) in the direction of its axis of rotation (D5 ) passes through such that it has a lower end (11a) in d en flow channel (DFK) opens and that this opens with an upper end (11b) in an environment (U) of the shut-off device (1) and - the shut-off device (1) comprises a closure means (12) and the through hole (11) through the Closure means (12) is closed, characterized in that - the actuation shaft (5) comprises a first thread (GW1), - wherein the closure means (12) comprises a second thread (GW2) and - wherein the closure means (12) with the actuation shaft (5) is screwed in such a way that the through hole (11) is closed watertight and / or airtight by the closure means (12).

Description

The invention relates to a shut-off device according to the preamble of claim 1.

From the DE 38 15 710 A1 is a ball valve designed as a shut-off device, which is installed in a pipeline, wherein the shut-off device comprises a housing, a shut-off, an actuating shaft and a drive means, wherein the blocking means is mounted in the housing, wherein the actuating shaft through a flange of the housing with the locking means is rotatably connected, wherein the actuating shaft is connected to the drive means, wherein a flow passage between a first port and a second port of the housing by actuation of the shut-off closable and openable, wherein the actuating shaft comprises a through hole, wherein the through hole, the actuating shaft in the direction of its axis of rotation passes through such that it opens into the flow channel with a lower end and that it opens with an upper end in an environment of the shut-off device and wherein the shut-off means u mfasst and the through hole is closed by the closure means. A disadvantage of such a shut-off device is that the shut-off device allows only a limited use of the through hole.

It is an object of the invention to provide a shut-off device, which offers extended possibilities of use with regard to their through-bore.

This object is achieved on the basis of the features of the preamble of claim 1 by the characterizing features of claim 1. In the dependent claims advantageous and expedient developments are given.

In the shut-off device according to the invention, the actuating shaft comprises a first thread, which is arranged in particular in the region of the upper end of the through hole comprises, wherein the closure means comprises a second thread and wherein the closure means is screwed to the actuating shaft such that the through hole through the closure means waterproof and / or hermetically sealed. This makes it possible to separate the closure means without disassembling the shut-off of the actuating shaft for service purposes or exchange for a same or different closure means and to connect the same or other closure means again with the actuating shaft, so that it is sealed. The core of the invention is thus a shut-off device with a closure means that is interchangeable even with built-in shut-off device.

It is further provided that the closure means comprises a screw body on which the second thread is formed and wherein the through hole is closed by the screw body. Such an embodiment of the closure means allows a cost-effective production of the shut-off device, but this allows, despite its cost-effective production, the retrofitting with a higher quality closure means.

Alternatively, it is provided that the closure means comprises a screw body and a sensor of a sensor, wherein the second thread is formed on the screw body, wherein the screw body comprises a channel, wherein the channel is closed by the sensor and wherein the through hole through the screw body and the sensor is closed. By such an embodiment of the closure means a high-quality shut-off device is formed using their use can produce high-quality heating manifold, such shut-off devices have the advantage that the sensor can be removed and installed as needed without disassembly of the shut-off of a Rohrköper the Heizkreisverteilers and z. B. when decommissioning a heating circuit can also replace it against a cost-effective closure means which z. B. is formed by a screw, which closes the through hole.

Furthermore, it is provided to form the sensor in such a way and to arrange in the channel that the sensor extends in particular straight from the environment through the channel and into the through hole of the actuating shaft and from there into the flow channel. As a result, assembly and disassembly of the probe with minimal effort are possible.

It is also provided to equip the screw body with a ring encircling its channel sealing space and a ring seal, wherein the ring seal is arranged in the seal chamber and engages around the probe and wherein the sensor comprises in particular an annular groove in which the ring seal is arranged. As a result, a reliable seal between the screw body and the sensor is ensured.

It is also provided that the closure means comprises a screw body and a plug, wherein the second thread is formed on the screw body and wherein the screw body comprises a channel and wherein the channel is closed by the plug and wherein the through hole is closed by the screw body and the plug. This makes it possible, without disassembly of the screw body replace the plug against another component and in particular against a sensor.

In particular, it is provided to plug a probe from the environment through the channel and into the through hole of the actuating shaft and from there into the flow channel after disassembly of the plug. This allows the shut-off device to be quickly converted to operation with a sensor.

Furthermore, it is envisaged to provide the closure means with a channel circumferentially encircling sealing space and a ring seal, wherein the ring seal is disposed in the seal space and wherein the plug is passed through the ring seal or wherein the sensor is guided by the ring seal. As a result, a reliable seal between the screw body and the stopper is ensured or safely produced between the screw body and the probe.

Finally, it is provided to provide the closure means with a further sealing means, wherein the sealing means is in particular formed as a further sealing ring, wherein the sealing means is clamped between the closure means and the actuating shaft and wherein the sealing means in particular also surrounds the sensor or the plug. In this way, in particular a reliable sealing of a screw thread formed by the thread of the actuating shaft and by the thread of the closure means is ensured.

Further details of the invention will be described in the drawing with reference to schematically illustrated embodiments.

Hereby shows:

1 : A plan view of a shut-off device according to the invention with the shut-off device open;

2 : a view of the in the 1 Shut-off device shown from an arrow direction II;

3 : a cut through in the 1 Shut-off device shown according to a section line III-III;

4 : a detailed view from the representation of the 3 ;

5 a perspective view of a closed screw body;

6 : a perspective view of the in the 3 and 4 shown screw body;

7 a perspective view of another screw body and

8th : a perspective view of a plug for in the 7 shown screw body.

In the 1 is a shut-off device according to the invention 1 , which is designed as a ball valve, shown in plan view. The 2 shows a view of the shut-off device 1 in the in the 1 indicated arrow direction II and the 3 showed a section through the shut-off device 1 correspond to in the 1 indicated section line III-III. The 4 shows in addition a detail view from the 3 , The shut-off device 1 is installed in a schematically indicated with dashed lines pipe R, which only in the 1 is shown. The shut-off device 1 includes a housing 2 , a barrier 3 (please refer 2 . 3 and 4 ), which as shut-off 4 is formed, an actuating shaft 5 (please refer 3 . 4 ) and a drive means 6 which as a handle 7 is trained. According to unillustrated embodiments, it is also provided to form the drive means as a lever or form the drive means as an electric actuator. Here is the shut-off 3 in the case 2 stored. The actuating shaft 5 is through a flange 8th (please refer 3 . 4 ) of the housing 2 through with the shut-off 3 rotatably connected. The actuating shaft 5 is also with the drive means 6 or the handle 7 rotatably connected. In the 1 to 3 is the handle 7 and therefore also the shut-off device connected to it 3 in an open position in which a medium from a first pipe section R1 in a second pipe section R2 of the tube R can flow. One in the case 2 trained flow channel DFK, which between a first port 9 and a second port 10 of the housing 2 runs, is by a 90 ° rotation of the shut-off 3 from the into the 1 to 3 closed position shown closed. The blocking means is designed in the manner of a ball of a ball valve. The actuating shaft 5 includes a through hole 11 , This through hole 11 goes through the actuating shaft 5 in the direction of its axis of rotation D5, wherein the through hole 11 with a lower end 11a flows into the flow channel DFK and wherein the through hole 11 with an upper end 11b in an environment U of the shut-off device 1 empties. The shut-off device 1 includes a closure means 12 through which the through hole 11 is closed. For connecting the closure means 12 with the actuating shaft 5 or for closing the through hole 11 the actuating shaft 5 is the closing agent 12 With the actuating shaft 5 screwed. Here, the actuating shaft includes 5 in the area of the upper end 11a their through hole 11 a first thread GW1. In this case, the closure means comprises 12 a second thread GW2. The closure means 12 is with the actuating shaft 5 bolted so that the through hole 11 through the closure means 12 waterproof and / or hermetically sealed. For sealing a gland V formed by the two threads GW1 and GW2, the closure means comprises 12 a sealant 13 , which as a sealing ring 14 is trained. Here is the sealant 13 between the closure means 12 and the actuating shaft 5 trapped. The through hole 11 the actuating shaft 5 in which the sealant 13 is arranged, this has a paragraph 15 on, against which the sealant 13 from an end face 16 (please refer. 6 ) of the closure means 12 is pressed.

According to a second embodiment, the closure means is different from that in the 1 to 4 shown closure means 12 - like in the 5 shown - as a means of closure 112 educated. This closure means 112 includes a screw body 150 with a second thread GW2. Furthermore, the closure means comprises 112 another not shown sealant, which comparable to that in the 4 shown sealing ring is formed and in the assembled state of an end face 116 of the screw body 150 against in the 4 shown paragraph 15 the actuating shaft 5 is pressed. Through the closure means 112 becomes the through hole 11 the actuating shaft 5 completely closed, so that the shut-off device 1 can be used in a conventional manner as a pure shut-off without additional function. The screw body 150 is executed without drilling.

According to the in the 1 to 4 the first embodiment shown comprises the closure means 12 a screw body 50 (see also 6 ) and a feeler 51 a sensor 52 , In the 6 is this screw body 50 shown in isolation in a perspective view. The screw body 50 has the mentioned second thread GW2, wherein the screw body 50 also a channel 53 includes. The channel 53 , which the screw body 50 along the axis of rotation D5 of the actuating shaft 5 goes through is through the feeler 51 of the sensor 52 closed (see 3 . 4 ). The closure means 12 also includes the aforementioned sealant 13 , The feeler 51 is formed and in the channel 53 arranged that the feeler 51 out of the environment U through the channel 53 through into the through hole 11 the actuating shaft 5 and from there into the flow channel DFK extends (see 4 ). For further sealing of the canal 53 includes the closure means 12 a ring seal 54 (please refer 4 ). For receiving this ring seal 54 is the channel 53 through an annular peripheral sealing space 55 extended, in which the ring seal 54 safe to move, which is the feeler 51 encompasses (see 4 ). So that the ring seal 54 also on the feeler 51 is held displaceable, the sensor points 51 an annular groove 56 on, in which the ring seal 54 is embedded. The seal room 55 is in a head 57 of the screw body 50 arranged above the thread GW2. The above-mentioned sealant 14 is by screwing in the screw body 50 of the closure means 12 not only between the screw body 14 and the actuating shaft 5 clamped, but also to the axis of rotation D5 of the actuating shaft 5 towards the feeler 51 of the sensor 52 pressed. Thus, the sealant is used 13 not only the sealing of the screw V against the flow channel DFZ, but also the sealing of a through the channel 53 formed implementation 58 for the feeler 51 (please refer 4 ). This implementation 58 is still through the ring seal 54 sealed. By unscrewing the screw body 50 From the thread GW1 it is possible to use the closure means 12 which is the feeler 51 includes, from the shut-off device 1 to separate, without these must be separated from the pipe R. This is an exchange of the probe 51 and / or replacement of the seals 13 . 34 possible with minimal effort.

The actuating shaft 5 (please refer 3 and 4 ) is designed as a spindle and is by seals 70 . 71 opposite the flange 8th sealed, with the flange 8th a rotary feedthrough for the actuating shaft 5 forms. The handle 7 includes a zinc die-cast sleeve 72 and a plastic grip body 73 through which the sleeve 72 rotatably and positively encapsulated. The sleeve 72 is about a circlip 74 , which as a slotted wire ring 75 is executed, on the actuating shaft 5 secured and acts with this form of non-visible contact surfaces in such a form-fitting manner that a torque about the axis of rotation D5 is transferable. The head 57 of the screw body 50 is designed as a hexagon head, so that the screw body 50 under the aid of a tool with a predetermined torque in the thread GW1 is screwed.

According to a third embodiment, the closure means is different from that in the 1 to 4 shown closure means 12 and in the 5 shown closure means 112 - as in the 7 and 8th shown - as a means of closure 212 educated. In this case, the closure means comprises 212 one in the 7 shown screw body 250 , which is identical to the screw body 50 the first embodiment (see 1 to 4 and 6 ), and a stopper 260 (please refer 8th ). Here is a second thread GW2 on the screw body 250 educated. The Schaubkörper 250 includes a channel 253 , which according to the channel 53 of the screw body 50 is trained. The channel 253 is in the assembled state of the closure means 212 through the stopper 260 locked. If the closure means 212 instead of the closure means 12 in the in the 3 and 4 Shut-off device shown 1 is screwed, is the through hole 11 (please refer 4 ) through the screw body 250 and the stopper 260 locked. This third embodiment of the closure means makes it possible, after disassembly of the plug 260 , a feeler - like this one in the 1 to 4 is shown - from the environment through the channel 253 and to plug into the through hole of the actuating shaft and from there into the flow channel and thus to convert the shut-off device from a shut-off device without sensor in a Absperreichrichtung with sensor. Here, the screw body 250 and the two seals used with this are reused and it just has to be the plug 260 be replaced by a feeler.

LIST OF REFERENCE NUMBERS

1

shut-off

2

casing

3

shutoff

4

shut-off

5

actuating shaft

6

drive means

7

Handle

8th

flange

9

first connection

10

second connection

11

Through Hole

11a

lower end of 11

11b

upper end of 11

12

closure means

13

sealant

14

sealing ring

15

paragraph

16

Face of 12

50

screw body

51

sensor

52

sensor

53

Channel in 50

54

ring seal

55

seal chamber

56

annular groove

57

Head of 50

58

execution

70, 71

poetry

72

Die-cast zinc sleeve

73

Plastic handle body

74

circlip

75

slotted wire ring

112

closure means

116

face

150

screw body

211

Through Hole

212

closure means

250

screw body

253

channel 2

260

Plug

D5

Rotation axis of 5

DFK

Flow channel

LV1

first thread, thread of 11

GW2

second thread, thread of 12

R

pipeline

R1

first pipe section of R

R2

second pipe section of R

U

Surroundings

V

Screw connection from GW1 and GW2

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 3815710 A1 [0002]

Claims (9)

Shut-off device ( 1 ), in particular ball valve, - wherein the shut-off device ( 1 ) in a pipeline (R) can be installed, - wherein the shut-off device ( 1 ) a housing ( 2 ), a shut-off device ( 3 . 4 ), an actuating shaft ( 5 ) and a drive means ( 6 . 7 ), wherein the blocking means ( 3 . 4 ) in the housing ( 2 ), wherein the actuating shaft ( 5 ) by a flange ( 8th ) of the housing ( 2 ) through with the blocking means ( 3 . 4 ) is rotatably connected, - wherein the actuating shaft ( 5 ) with the drive means ( 6 . 7 ), wherein a flow channel (DFK) between a first port ( 9 ) and a second connection ( 10 ) of the housing ( 2 ) by an actuation of the shut-off ( 3 . 4 ) is closable and openable, - wherein the actuating shaft ( 5 ) a through hole ( 11 ), wherein the through-bore ( 11 ) the actuating shaft ( 5 ) in the direction of its axis of rotation (D5) passes through in such a way that this with a lower end ( 11a ) flows into the flow channel (DFK) and that this with an upper end ( 11b ) in an environment (U) of the shut-off device ( 1 ) and - the shut-off device ( 1 ) a closure means ( 12 ) and the through-bore ( 11 ) by the closure means ( 12 ), characterized in that - the actuating shaft ( 5 ) comprises a first thread (GW1), - wherein the closure means ( 12 ) comprises a second thread (GW2) and - wherein the closure means ( 12 ) with the actuating shaft ( 5 ) is screwed in such a way that the through-bore ( 11 ) by the closure means ( 12 ) is watertight and / or hermetically sealed. Shut-off device according to claim 1, characterized in that the closure means ( 112 ) a screw body ( 150 ), on which the second thread (GW2) is formed, wherein the through-bore ( 11 ) through the screw body ( 150 ) is closed. Shut-off device according to claim 1, characterized in that the closure means ( 12 ) a screw body ( 50 ) and a feeler ( 51 ) of a sensor ( 52 ), wherein the second thread (GW2) on the screw body ( 50 ) is formed, wherein the screw body ( 50 ) a channel ( 53 ), wherein the channel ( 53 ) through the feeler ( 51 ) is closed and wherein the through-bore ( 11 ) through the screw body ( 50 ) and the feeler ( 51 ) is closed. Shut-off device according to claim 3, characterized in that the sensor ( 51 ) and in the channel ( 53 ) is arranged that the sensor ( 51 ) from the environment (U) through the channel ( 53 ) and in the through hole ( 11 ) of the actuating shaft ( 5 ) and from there into the flow channel (DFK) extends. Shut-off device according to claim 3 or 4, characterized in that the screw body ( 50 ) one its channel ( 53 ) annular sealing space ( 55 ) and a ring seal ( 54 ), wherein the ring seal ( 54 ) in the sealing space ( 55 ) and the sensor ( 51 ) and the sensor ( 51 ), in particular an annular groove ( 56 ), in which the ring seal ( 54 ) is arranged. Shut-off device according to claim 1, characterized in that the closure means ( 12 ) a screw body ( 250 ) and a stopper ( 260 ), wherein the second thread (GW2) on the screw body ( 250 ) is formed, wherein the Schaubkörper ( 250 ) a channel ( 253 ), wherein the channel ( 253 ) through the plug ( 260 ) is closed and wherein the through-bore ( 211 ) through the screw body ( 250 ) and the plug ( 260 ) is closed. Shut-off device according to claim 6, characterized in that after disassembly of the plug ( 260 ) a probe from the environment (U) through the channel ( 253 ) and in the through hole ( 11 ) of the actuating shaft ( 5 ) and from there into the flow channel (DFK) can be plugged. Shut-off device according to at least one of claims 3 to 7, characterized in that the closure means ( 12 ; 212 ) one its channel ( 53 ; 253 ) annular sealing space ( 55 ) and a ring seal ( 54 ), wherein the ring seal ( 54 ) in the sealing space ( 55 ) and wherein the plug ( 260 ) through the ring seal ( 54 ) or the sensor ( 51 ) through the ring seal ( 54 ) is guided. Shut-off device according to one of the preceding claims, characterized in that the closure means ( 12 ; 112 ; 212 ) comprises a further sealant, wherein the sealant ( 13 ) in particular as a further sealing ring ( 14 ), wherein the sealant ( 13 ) between the closure means ( 12 ; 112 ; 212 ) and the actuating shaft ( 5 ) and wherein the sealant ( 13 ) in particular also the feeler ( 51 ) or the plug ( 260 ) encloses.

Images