DE1674252U

DE1674252U - CUFF WITH ELASTIC SUPPORT RING.

Info

Publication number: DE1674252U
Application number: DEA5003U
Authority: DE
Original assignee: Merkel Asbest & Gummiwerke
Current assignee: Merkel Asbest & Gummiwerke
Priority date: 1954-01-08
Filing date: 1954-01-08
Publication date: 1954-03-25

Description

PA.0109frPA.0109fr

ASBEST- UND GUMMIWERKE MARTIN MERKEL K. G.ASBESTOS AND RUBBER WORKS MARTIN MERKEL K. G.

HAMBURG-WILHELMSBURG 1HAMBURG-WILHELMSBURG 1 Cuff with elastic support ring

Die Erfindung besieht 3ich. auf Uapf-bzw. Hut-Manschetten, bei weichen das Stützelement aus einem elastischen Werkstoff besteht.The invention sees itself. on Uapf or. Hat cuffs, at soft the support element consists of an elastic material.

Bekannt ist bei ITapf- bzw. Hut-Manschetten, daas der Manschetten-Schenkel die Gleitfläche und der Mansehettenbodan die ruhende flache abdichten. Der Hauptnachteil, weshalb Uapf-bzw. Hut-Manschetten trotz ihrer einfachen Herstellung und des einfachen Sinbaus verhält— ni3mäs3ig wenig und statt deseen U-Manschetten verwendet werden, besteht darin, dass der Manschettenboden, vor allen, ^eixa. er sehr 3chmal Z3t, oft au fest angesogen wird. Hierdurch weicht der Boden— werkstoff in radialer Richtung aus und drückt gegen lie (!leitflächen, was zur Folge hat, rlaas die Manschette im unteren Bereich des Schenkels au stark an lie Gleitfläche angedruckt und dadurch evt. im oberen 3eraich von ier Gleitfläche abgehoben wird. Έϋηβ weitere Auswirkung besteht darin, dass die Manschette stark reibt, aber trotzdem unzuverlässig dichtet.It is known in ITapf or hat cuffs that the cuff leg seal the sliding surface and the Mansehettenbodan seal the resting flat surface. The main disadvantage, which is why Uapf or. Hat-cuffs in spite of their simple production and the simple construction relatively little, and instead of the U-cuffs used, is that the cuff base, above all, is . it is sucked in very sometimes, often too tightly. As a result, the floor material gives way in the radial direction and presses against the guide surfaces, which has the consequence that the sleeve in the lower area of the leg is pressed against the sliding surface and possibly lifted off the sliding surface in the upper area. Another effect is that the cuff rubs heavily, but still seals unreliably.

Damit die dichtende Spitze des Manschettenschenkels zuverlässig und elastisch an die Gleitfläche angedrückt wird, was bei hartem Manschettenwerkstoff besonders wichtig ist, verwendet man Stützringe aus einem elastischen Werkstoff, beispielsweise Gummi.So that the sealing tip of the cuff leg is reliable and is pressed elastically against the sliding surface, which is particularly important with hard sleeve material, support rings are used made of an elastic material, for example rubber.

Der Srfindungsgedanke geht davon aus, Uapf-hzw« Hut-Manschetten ähnlich wie TJ-Manschetten arbeiten zu laasen» Hierbei ergeben sich gegenüber U-Manschetten bei Terwendung eines elastischen Stützringes, der gleichzeitig bei Hut-Manschetten auf dem Aussenunf mg und bei BTap flanschet ten entsprechend auf dem inneren Umfang dichtet, folgend« Torteile:The Srfindungsgedanke expects Uapf-HZW "hat cuffs similar to TJ cuffs work to Laasen" This result against U-cuffs at Terwendung an elastic support ring, the mg at the same time at Hut cuffs on the Aussenunf and flanschet at BTAP th seals accordingly on the inner circumference, following «gate parts:

1. Dadurch, dass die Sapf-bzw. Hut-Manschetten nur einen Schenkel haben, kann der elastische Stütaring breiter ausgeführt werden als bei IT-Manschetten.1. The fact that the Sapf or. Hat-cuffs only one leg the elastic support ring can be made wider than with IT cuffs.

2. Tlenn raan bei Hut-Manschetten den Aussen-0 de3 Bodens etwas kleiner als den otopfbuchsenraum-^, dentaprechend bei Sfapf-Manschetten den Innen-0 des Bodens etwas grosser als den2. Tlenn raan outdoor-0 at Hut cuffs en3 soil at Sfapf cuffs indoor 0 of the soil somewhat larger than slightly smaller than the otopfbuchsenraum- ^, the dentaprechend

Claims

ASBESTOS AND RUBBER WORKS ~ -. /

MARTIN MERKEL fCG. - £ -. .

HAMBURG-WILHELMSBURG 1HAMBURG-WILHELMSBURG 1

as well as towards the ground. is conically tapered - which is easily possible according to the concept of the invention, is because the elastic, arbitrarily shaped support ring on the » corresponding circumferential surfaces, - then can that Insert and remove the sleeve more easily during assembly * This is important, for example, with fluid pumps from which the cuffs are removed daily for cleaning *

3. The cuff can be moved radially to a certain extent. This is why it adjusts itself accordingly when the plunger or solenoid is slightly offset or, for example, with long trumpet tube strokes, it follows the changing axis shift that would otherwise occur. heavy running surface wear *

The cuff arrangement, as it corresponds, for example, to the Urfin & ung _r is shown in the attached drawing. There is play (6) on the stuffing box wall (5). The elastic support ring (7) seals against the stuffing box wall by tensioning the gland (8) and additionally by the hydraulic pressure, which also acts on the sealing leg of the sleeve at the same time. To make the axial tension of the support ring even more elastic, for example, cup springs (9) * which act on the elastic support ring with the interposition of a hinge (10): (T) »can be provided.

T.) Seal _T consisting of a ^ apf or. Hut-Hans married t-te made of little or non-elastic material and a support ring made of an elastic, non-compressible material, characterized in that the support ring is at the same time a sealing ring and the seal on the leg of the Sapf or. Hat-cuff lying over the top in a two-cylinder area.

2.) Seal according to claim 1), characterized in that the Cuff base with play in the outer 0 of the stuffing box housing