DE1916543C3 - Quick-release connector for an insertion nozzle provided on a pipe bend or a correspondingly bent pipe part for the sealed holding of an insertable pipe - Google Patents

Description

45

The invention relates to a quick-release fastener for an inlet connection provided on a pipe bend or a correspondingly bent pipe part, through which a pipe is sealed into a pipe the straight pipe part adjoining the pipe bend or the bent pipe part can be introduced coaxially to the latter, with an extension having a shoulder Flange element which is inserted into a flange at the outer end of the insertion nozzle and the housing forms a stuffing box through which the pipe is passed in a sealed manner and whose packing gland is printed by a packing gland onto an annular packing seat of the flange element, wherein the gland follower can be tightened by means of gland screws. <> o

There are already quick-release fasteners of the type mentioned according to DT-Gbm 18 75 333 known, in which, however, for loosening the stuffing box and for pulling it out the sealed pipe must be dismantled with tools, which is time-consuming & 5 and causes corresponding business interruptions.

From the DT-PS 90 703 is a stuffing box with three

Klenkig fastened packing box screws known, each of which is assigned a mother can be tightened or loosened by means of a tool. The screws are here without lifting a base sleeve from a receptacle with the same ^ Outsede? The invention is the creation of a rapid transit system that is improved over the prior art. ~ t.i. · «*« of the type mentioned at the beginning, which entails an exchange of the sealed pipe without the aid of tools only by means of handles on the stuffing box screws This is achieved by the fact that e, n pairs of gland screws and associated knurled nuts are diametrically opposite one another is arranged on the flange of the insertion piece so that it can be folded about mutually parallel axes, and that the gland screws in opposite, Radially extending and outwardly open recesses of the flange element and the stuffing box flange run and when the nuts are loosened these recesses can be folded out.

Due to the attachment and hinged mounting of the stuffing box screws provided according to the invention, it is possible just by loosening the two knurled nuts by hand and without additional handles on a component of the stuffing box To fold out the stuffing box screws from the recesses of the flange element and the stuffing box gland, after which the stuffing box is already in the relaxed state and the pipe can be easily pulled out.

A particular field of application of the subject matter of the invention is in the field of water treatment systems in which water is to be sterilized is passed through the pipe elbow and the pipe, which is kept sealed by the stuffing box, is a quartz pipe is designed to accommodate a UV burner. Because of impurities in the to be treated or to After a certain period of time, the sealed quartz tube becomes so clogged to irradiating water that that the sterilizing emerging UV radiation is weakened to a minimum permissible value. To When this state is reached, the pipe, which is kept sealed, must be cleaned or replaced required, it being very essential that the removal and reinsertion of the tube in one The shortest possible period takes place so that the inevitably associated business interruption is kept as low as possible. In this respect, the quick connection according to the invention offers a very important one Improvement over the state of the art.

The invention is explained in more detail below with reference to the drawing. It shows

Fig.! an embodiment of a quick release according to the invention in axial section, wherein a a stuffing box forming a component of the closure is illustrated in the tensioned state,

Fig.2 the Schnellverschluss of Fig. 1, the Stuffing box in a relaxed state for pulling out one kept sealed by this Tube is illustrated in a representation corresponding to FIG. 1, although some secondary components are omitted for the sake of clarity are illustrated.

The quick-release fastener illustrated in the drawing is designed for attachment to a pipe bend (not illustrated) or a correspondingly

The curved pipe part is determined and there has an insertion nozzle 1 for a pipe 4 made of quartz glass on, which is sealed in a straight pipe part adjoining the pipe bend or bent roll-off part (also not illustrated) can be inserted coaxially to this. The tube 4 serves to receive a Not illustrated elongated quartz burner and has a connecting flange 4a at its upper end to accommodate electrical connections that are not illustrated of the quartz burner.

At the outer end of the insertion nozzle 1, a flange la is provided in which a projection 2a having flange element 2 is inserted. The flange element 2 forms the housing of a stuffing box with a stuffing box gland 6 and a stuffing box packing 5 through which the pipe 4 is guided in a sealed manner is. The gland packing 5 is placed on an annular packing seat through the stuffing box gland 6 of the flange element 2 is printed and lies down here against a peripheral region of the tube 4. The flange element 2 is opposite the flange la by means a sealing ring 3 sealed.

A pair of stuffing box screws 7 together with associated knurled nuts Td are arranged diametrically opposite one another on the flange la of the insertion nozzle 1 so that they can be folded about mutually parallel axes Tc . The stuffing box screws 7 extend in the tensioned state of the stuffing box according to FIG. 1 in opposing, radially extending and outwardly open recesses 2b of the flange element 2 or 6a of the gland flange 6.

Both Stopfbüchsenschrauben 7 each have a bearing portion 7a, which is provided with a set of threads Tb and receives pivotable by means of the associated axis Tc the shank of the associated Stopfbüchsenschraube 7 The thread approaches Tb of the two Stopfbüchsenschrauben 7 are in this case in two diametrically opposite threaded holes of the flange la of Insertion socket 1 screwed in

The entire quick-release fastener can be surrounded by a protective hood 8 placed on the flange la, which has ventilation openings 8a

To remove the tube 4 from the quick-release fastener, starting from the position shown in FIG. 1 solved the knurled nuts Td and the two Stopfbüchsenschrauben folded out of the respectively associated recesses 2b, 6a at Td dissolved nuts 7, as shown in F i g. 2 is illustrated. The stuffing box is then in the relaxed state. The tube 4 can now be easily pulled out without having to do any manipulation on other parts of the stuffing box.

1 sheet of drawings

Claims (2)

Patent claims: 1. Quick-release fastener for an inlet connection provided on a pipe bend or a correspondingly bent pipe part, through which a pipe can be inserted in a sealed manner into a straight pipe part connected to the pipe bend and coaxially therewith. with a flange element having a shoulder, which is inserted into a flange at the outer end of the insertion nozzle and forms the housing of a stuffing box through which the tube is passed in a sealed manner and the stuffing box packing is pressed through a stuffing box gland onto an annular packing seat dos flange element, the stuffing box gland can be tightened by means of stuffing box screws, characterized in that a pair of stuffing box screws (7) together with associated knurled nuts (7d) are arranged diametrically opposite one another on the flange (\ a) of the insertion nozzle (1) so that they can be folded about mutually parallel axes (7c) , and that the stuffing box screws run in opposing, radially extending and outwardly open recesses (2b, 6a) of the flange element (2) and the stuffing box flange (6) and when the nuts (Jd) are loosened from these recesses (2b, 6a) can be folded out. " 2. Quick release fastener according to claim 1, characterized in that the two stuffing box screws (7) each have a bearing piece (7a) which is provided with a threaded extension (7b) and the associated shaft of the stuffing box screw (7) is pivotable by means of an axis (7c) receives and that the threaded lugs (7b) of the two stuffing box screws (7) are screwed into two diametrically opposed threaded holes of the flange (\ a) of the inlet connection (1).