DE3808538C2 - Treatment device for a pressurized gaseous medium such as compressed air - Google Patents

Description

The invention relates to a processing device for a pressurized gaseous medium such as compressed air, comprising several right, modular, qua deriform building blocks that münnen on two opposite sides the passage for the medium and threaded, with the passage channel connected to two more against have openings located on opposite sides of the module, and functional components that can be screwed to the openings of the blocks.

When it comes to the technical use of compressed air, it is generally mean necessary, the air from condensate present in the compressed air system to clean sat and impurities with a filter. For an op To ensure the filter is functioning properly, the filter must be present the pressure can be readjusted, because of increasing contamination of the fil terelements the outlet pressure subsides.

DE 36 06 953 A1 describes a treatment device for gas shaped media such as compressed air of the type mentioned, including meh rere modular functional groups with building blocks, known, whereby the individual blocks on opposite sides of the connection surfaces corresponding to each other in a recess arranged half cones and half nuts inserted within the half cones have, the recesses each receiving a connector men, which with its inner cone encompasses two adjacent half cones and via a through the connector and with the two half nut formed nut presses screwed screw together. This How the blocks are connected is, however, relatively complicated and necessary manufactures specially manufactured parts, namely the half nuts and connectors pieces.

The object of the present invention is a preparation create device according to the preamble of claim, the Includes building blocks, their connection easier and without special parts is designed.

This object is achieved in that the building blocks in each case are provided with through holes for connecting screws, which on the front ends at which the passage channel opens out point and through slots for the rotationally secure reception of nuts for the extending through a building block into the slots Guide connecting screws.

An embodiment of the invention is described with reference to FIGS. 1 and 2.

Fig. 1 shows a side view of a processing device,

Fig. 2 shows a section through the processing device.

The processing device shown includes a construction stone 4 , through its cubic design in connection with other cubic functional units 3 , 5 in series a tight fit is guaranteed. The hidden in Fig. 1, on each side of the block 4 existing through holes are used to accommodate Ver connecting elements, z. B. screws to connect the processing device with other functional units or the functional units 3 , 5 with each other via these connecting elements.

On two sides of the block 4 through the through holes 24 leading four slots are available. These take a Ver connection or control element, for. B. a nut, and secure it at the same time against twisting, so that they do not have to be secured during assembly when connecting several functional units 3 , 5 against turning when screwing the connecting element and only the connecting screws are actuated. Since the connection or Kon terelement is only inserted into slots 22 , the assembly when assembling several modules 4 or functional units 3 , 5 is much easier and simplified.

All through holes 24 are provided on both sides with Senkun gene 23 to avoid protruding screw heads, thereby avoiding the risk of injury and the sides of the block 4 are smooth and flush.

When assembling several functional units 3 , 5 , the connection surfaces do not need to be connected in an especially pressure-tight manner, since when they are joined together with the connecting elements on the smooth surfaces and a contact pressure generated on the flat seal inserted into the annular groove of the pressure connection is sufficient to ensure an airtight connection.

On two sides of the block 4 connecting elements 11 , z. B. threaded inserts, which serve to connect to the compressed air system.

Two of the sides of the block 4 have a conical thread 25 . This is for the assembly of additional units, e.g. B. pressure gauge, see and is conical to automatically seal itself when installing plugs or an additional unit. This eliminates the need for subsequent sealing, e.g. B. using glue.

At the top of the block 4 , a hood 3 is screwed, which is sealed airtight against each other by a sealing element 15 .

A control element 18 , preferably a piston, which is also sealed on its flanks by a sealing element 17 , is guided in the hood 3 .

The hood 3 is screwed into the module 4 and has surfaces 26 , preferably a hexagon, at its lower end in order to facilitate clamping.

The thread above the hexagon serves the simplified Mounting on a holder, since the functional unit is only through the Holder must be inserted with the thread and with a connecting element ment, e.g. B. a nut, is screwed onto the thread and thereby secured and held.

The control button 2 sits on the hood 3 . A hood cover 1 is fastened in the control knob and is connected to a spindle 20 by a press fit. A thread is attached to the lower shaft of the spindle 20 in order to guide a screwed-on nut 21 in the vertical direction and to tension an underlying spring 19 .

This spring 19 exerts pressure on the control element 18 , which actuates a pin 13 on its underside with an intermediate seal 16 .

The pin 13 is in one piece because the sealing ring visible on it, which consists of a polymeric material, is sprayed on. A spring 12 sits on the underside of this sealing ring for fastening and holding the pin 13 .

The lower part of the block 4 is connected to a filter bell 5 with an air-sealing element 10 in between. A separating cap 7 is supported on the filter bell 5 .

A filter element 9 is clamped between the separating cap 7 and a filter holder 8 . The filter holder 8 is designed to be latchable at its shaft end, so that the separating cap 7 only has to be plugged on during assembly.

Due to the latchable design of the filter holder 8 , length tolerance of the filter element can be compensated.

Another advantage is that the filter holder 8 is formed on its flanks with helical wings 28 which are integrated on its flanks in the filter holder 8 made of a polymeric material.

Due to the predominant use of plastic at Her position of the components of the processing device finds an essential raw material saving and weight reduction instead.

Another advantage of the module 4 is the possibility, instead of the filter bell 5 on the lower side or the controller on the upper side of the module 4, by inserting a cover, to enable optional use as a controller without a filter or as a filter without a controller.

The filter bell 5 is provided on its lower side with a circuit to which a drain screw 6 is attached. Instead of the drain screw 6 , it is also possible to attach a semi-automatic condensate drainage device, since the connection is made uniform.

Reference list

1

Hood cover

2nd

Control knob

3rd

Hood

4th

Module (threaded housing)

5

Filter bell

6

Drain plug

7

Separation cap

8th

Filter holder

9

Filter element

10th

Sealing element (O-ring)

11

Threaded insert (compressed air connection), (connecting ducts)

12th

Tensioning element (spring)

13

pen

14

support

15

Sealing element (flat gasket)

16

Sealing element (flat gasket)

17th

Sealing element (O-ring)

18th

Control element (piston)

19th

Tensioning element (spring)

20th

spindle

21

Connecting element (nut)

22

slot

23

Lowering

24th

Through hole

25th

conical thread

26

Surfaces (hexagon)

27

Shaft end of the filter holder (clickable)

28

helical blades

29

Sealing ring

Claims (1)

Processing device for a pressurized gaseous medium such as compressed air, comprising a plurality of modular cuboidal modules ( 4 ) which can be connected to one another by connecting screws and which have a passage channel for the medium opening on two opposite sides and a thread provided with the passage channel in Ver Binding, on two further opposite sides of the block ( 4 ) have openings, and with the openings of the blocks ( 4 ) screwable functional components ( 3 , 5 ), characterized in that the blocks ( 4 ) each with through holes ( 24 ) are provided for connecting screws, which have a countersink ( 23 ) on the end faces at which the passage channel opens and through slots ( 22 ) for the rotationally secure reception of nuts for which through a block ( 4 ) into the slots ( 22 ) extending connecting screws.