DE1525775A1 - Pipe connection - Google Patents

Description

PHH.1J.37

DIpL lag. F.-J. COPPER MAN Pafenlanwnk

Applicant: ^. Y. PMHp ₅ 'GIoeifatT.penfabiielcwi Aktehfo. ρ _Ηίί .

Registration from; 30 _# j) _{ez #}

"Rolir advertisement",

The invention relates to an Iiohrverbindun .--, especially Rolirvorbii'.dung between two Suction pipe parts of an i'tau-bsau.cere, with two pipe ends Nit slides can be inserted into one another so that they are rotatable in relation to each other about their axis of rotation, and .wherein an elastic sealing ring is provided is that in at least one axial direction with respect to

_BAD 909830/0624

1S25775

one end of the pipe cannot be moved, I.

The invention has the purpose of providing a solution for the problem that occurs with a pipe connection of this type to create an adequate seal and reduce leakage to a minimum;,. Sine of the resulting difficulties in that measures like the plague pressing or pinching of packing rings and the like e.g. with the help of Nuts can not be used because the rotatability of one pipe part with respect to the other d'inn is impaired,

13s have already made some suggestions for solving this problem, but either achieved, or was, an unsatisfactory result the preserved * design way too expensive.

According to the invention, * becomes a very simple one and cheap solution obtained by making the elastic ring cylindrical or conical has φ part extending freely in the longitudinal direction of a drilling end, the end edge of which is attached to a cylindrical, kugügen or kegliohen wall part of another pipe part can be applied, whereby the seal is established.

The seal is achieved by using the pressure difference that arises between the inner part and the outer part of the ear during use. pushed tube part and thus a better seal results. ₍

The pressure of the binge against 90i8 30/0624

-. * jjiftn inserted -Pipe part- directed almost radially eein and needs the two pipe parts into one another Holding Mecliftnlemue Bomit only manage axial forces in accordance with the instruction.

Preferred embodiments of the invention Binding is characterized by the fact that the calibration is freely

dt $$ ii of the fiineee in the direction of the Einsteckendee Rchrteileß runs in relation to the

Cannot be moved in any axial direction # And that the ring is attached to the inner wall of a piece of furniture and the end edge of the freely extending part of the ring on the outer wall of the other Rchrteilee can be applied while it is further-cheap » if the other pipe part is a beveled or rounded one Has part on which the free end edge of the ring can rest.

Let it be. is a convenient Ausführungsforri »yet gekennaeüchnet characterized that the AbdichtuhgerinG ^rai" t one of Rol-rteile a Ganeee forms. This Rf 1-Advantage can then, for example aue a sufficiently elaslii Eun-chen & Tetoff be made. In dieeem IkIIe ". Therefore, no external winder parts need to be produced for the sealing.

The invention will now be explained in more detail on the basis of the drawing, Ss eeii-eni

FIG. 1 eii.e Ausfüixruiitjsferm the Erfmdu .g, which is a? R hast run FINISH a SaugröhreB a Staubin a Staubeau ^ used erüelriuße bsi,

9098 30/06 24

BATH ORIGINAL

Figures 2 to 6 schematize !! Variants of Embodiments of the invention, the embodiments of FIGS. 2 and 3 being applied to pipes, in which, in relation to the environment, an overdue prevails, while the embodiments of Figures 4, 5 and 6 can be used with pipes in which a negative pressure prevails,.

7 shows an embodiment in which

the sealing ring forms a whole with '"a pipe wall,".' ■■ '·. "· -.- ■ In the embodiment _{shown in FIG. 0} 1, 1 denotes an inserted pipe part which in this case eats the end of a vacuum cleaner hose 2."

This part 1 is in a pipe part 3

inserted, the one © n part of the housing 4 a vacuum cleaner forms. Part 3-. Is with an inwardly protruding edge

5 provided, with a sealing ring at this point

6 is connected to the inner wall of part 3. Of the Ring 6 has a sieve, in the direction of ..,; he Binsteek opening 6 extending conical part 7 on.

The pipe part 1 is provided with an edge 9 which is rounded off towards the outside *. This abfi-.mclete RaM is not always the ¹ grooving, de ^ - Rf-leading 1, but - ^ r aient. -.-. uo'h: ils Anlie _i: efl.-ici.e for the Enö ™ r ^ na 1v / of the kef.iieLen part T Λβε Πίΐι,; - ^ / '6, Vie im iia Sr-hlaucii a ünxi ^ aznok prev; »cLt, v ... ird the Hing 6 £ - against öie surface 9 of the Rchrte-il & a 1 gsupück, whereby the seal is made. v / ird- _a

The Jiraenrohr 1 is riddled with a bolt

• 90983Q / -0624

11 of a known type held in the outer tube 3. It should be clear that this latch is largely is free from the axial force resulting from the sealing "The sealing only makes it very difficult low mass the rotatability of the hose 2 in relation to on the housing 4.

In FIGS. 2 and 3, designs are shown schematically in which the ring 26 or 36 is connected to the outer wall or the inner wall of the drilling part 21 or 33, for example by gluing. The other drilling part 23 or 31 has an inwardly rounded edge 29 or 3 3, which protrudes freely outward or inward

Ring part 27 or 37 can be applied. These types are suitable for use in pipes in which, with respect to the Environment prevailed overpressure. The mechanisms with which the pipes are held in each other are not shown. ·

The one shown schematically in Pig * 4

Design corresponds to that of Pig. 2, only is in this case the edge 39 of the tubular part 43 bevelled outwards. In this form a good seal is obtained, though there is a negative pressure in the pipe *

This is also achieved with the types according to FIGS. 5 and 6. The ring 56 or 66 is fixed

with the inner wall or outer wall of the tube 53 or 61 connected and extends the free end 57 or 67 ■ ' of the ring 56 or 66 in the direction of the free end of the Tube 53 or 61, the ring rests on the cylindrical

6AD

. ·. "T52S775

• - - -. ■ - '■■■■■ ■■■ ^v "■ ■ ■" T outer or inner wall of the drilling end 51 or, 63 an * j

It should be clear that other variants of the invention are possible, so that the above-mentioned series of examples ni;: hf is to be regarded as complete. : ''^;

Pig. 7 shows an example of a loh: 71, with a sealing ring 77 with this tube Whole forms and lies on the inner wall. Such a Bchrteil can-by an injection molding process e.g. from Polypropylene are made.

9098 30/0624

Claims (2)

PHII. 1337 1, pipe connection, in particular drilling connections between the suction pipe parts of a vacuum cleaner, whereby gwei lohreiids with S; = iel 'are pushed into one another where they can be rotated in relation to one another about their longitudinal axis, and where an elastic seal is provided, , which is not "displaceable" in at least one axial direction, characterized in that the elastic ring has a cylindrical smell or keniccben freely extending in the longitudinal direction of a boring end, the lind edge of which has a by -lj.ndrifcexien, liugligen or conical wall tüil of the other liohrteiJ e "s ■ anJ.ic ;;: * £> n l'runi: ·, whereby the seal i;! - rc · - creates wiivi«, .. ". ■ -'..-. ■■. 2, Kvi.rve ^ biJUiUU ₁ \ n., ^R -L claim 1 _f characterized by the fact that the .si ch freely extending part of the hanging in EI oh ment the E..nßiec]: end of the -.- Tj .. r- . tei ^T it proceeds in _r 'bezu,''~ λϊ η s -er Jlinf * vars not in oilier axial direction; .. iebb-r ict. - .. "..." '' 3, E -.- Lrv-rbiiiuUJtit ii-i. '. Ηκ. ru-? U 1 peer 2, thereby.-refceiinneiefcm-t «y &? ^; ; t'r down _; -...; n ~ '.t: · / Jahehiw ^ ivcl a? '. ΐ -, -''. .- hrtoile.- u ^^ ^ EWC Tt: ii u xmc' of: <'-ν-.ηύ> _1; ε Fiich xr-i -3VC ':. ^ ^v ; endei. ^r iu ^! '' ■. de: l ...:; _t ---. s ai. d & r Λ-εβ ' ⁵ ^ ■ _.-_ '4,; if i.rvi': ^T b '-', ur ^ i; -ch one who ν. "R l.er.ö'r '; .-. S'.riH ■ ■ - ·, · ^Λ <"u'r ^% lx ^ t / * u;:.: - ^r -ici: uet, d: es e 'er. e: _; :. eixe -h-yit - ■] r "rt - i ^ ■." • ■' ■ »ir nj. ^ e round do edge - :, -in oil- ter r ^ ^: a "":. '■' r. * - 'de; Rinrts cai "-. ie. -90 98 3Ό / 0 6 24 ' THERE. 1337 ; -; - ·; - 5. BolirVdrbihdüög according to one of the preceding Aiaspriicheι characterized, that the eXastieche ring with one of the tube parts forms a »-V-;. ''■■;;' .. "". ■ "■■ :.""/. - [, 98307 06 Lee rs e i f e