DE689787C - Bodies which are tightly connected to one another by means of restraint at individual points, at least one of which is elastic and in particular consists of pressed material - Google Patents

Bodies which are tightly connected to one another by means of restraint at individual points, at least one of which is elastic and in particular consists of pressed material

Info

Publication number
DE689787C
DE689787C DE1937S0127632 DES0127632D DE689787C DE 689787 C DE689787 C DE 689787C DE 1937S0127632 DE1937S0127632 DE 1937S0127632 DE S0127632 D DES0127632 D DE S0127632D DE 689787 C DE689787 C DE 689787C
Authority
DE
Germany
Prior art keywords
elastic
restraint
bodies
another
tightly connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE1937S0127632
Other languages
German (de)
Inventor
Otto Reichard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Priority to DE1937S0127632 priority Critical patent/DE689787C/en
Application granted granted Critical
Publication of DE689787C publication Critical patent/DE689787C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J13/00Covers or similar closure members for pressure vessels in general

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casings For Electric Apparatus (AREA)

Description

Durch an einzelnen Punkten bewirkte Einspannung dichtend miteinander verbundene Körper, von denen mindestens einer elastisch ist und insbesondere aus Preßstoff besteht Zum Verschluß von Öffnungen dienen in. der Regel dünnwandige plattenförmige Körper, die nur an einzelnen Punkten eingespannt werden. Beispielsweise werden Deckel von elektrischen Garniturenteilen nur an den Eckpunkten durch Schrauben o. dgl. an das Gehäuse angepreßt. Falls nun der Abstand der Einspannungspunkte verhältnismäßig groß ist, macht sich die Erscheinung unangenehm bemerkbar, daß infolge Durchbiegens des D.ekkels zwischen den Einspannpunkten die Abdichtung nicht einwandfrei wird. Diese Erscheinung wird um so störender, je elastischer der Deckel ist. Insbesondere bei Preßstoffgehäusedeckeln ist bei größeren Abmessungen selbst durch Verstärkung des Deckels kaum eine einwandfreie Dichtung zü erzielen. Hier schafft die Erfindung Abhilfe. Die Erfindung ist jedoch nicht auf elektrische Garniturenteile und auch nicht auf Preßstoffgehäuse beschränkt, sondern überall dort anwendbar, wo es sich darum handelt, einen wasserdichten Abschluß mit Hilfe von Deckeln u. dgl. aus verhältnismäßig elastischem Werkstoff zu erzielen.By restraint caused at individual points sealingly with one another connected bodies, at least one of which is elastic and in particular made of There is compression material. Thin-walled plate-shaped panels are generally used to close openings Bodies that are only clamped at individual points. For example, lids of electrical accessories only at the corner points by screws or the like. pressed against the housing. If now the distance between the clamping points is proportionate is large, the phenomenon is uncomfortably noticeable that due to sagging of the cover between the clamping points, the seal is not perfect. This phenomenon becomes more disturbing, the more elastic the lid is. In particular In the case of molded housing lids, larger dimensions are even provided by reinforcement the lid can hardly achieve a perfect seal. This is where the invention creates Remedy. The invention, however, does not apply to electrical accessories either not limited to molded housing, but can be used wherever it is is about a watertight seal with the help of lids and the like to achieve elastic material.

Die Erfindung besteht darin, daß bei durch an einzelnen Punkten bewirkte Einspannung dichtend miteinander verbundenen Körpern, von denen mindestens einer elastisch ist, mindestens an einem Körper die Dichtungsflächen zwischen je zwei Einspannpünkten gewölbt werden.The invention consists in that caused by at individual points Clamping sealingly interconnected bodies, of which at least one is elastic, at least on one body the sealing surfaces between each two Clamping points are arched.

Diese Wölbung erhält vorzugsweisse die Form einer Parabelfläche, deren .Scheitelpunkt in der Mitte zwischen den Einspannpunkten liegt. Die Scheitelhöhe der Parabel ist dabei zweckmäßig so zu wählen, daß der spezifische. Druck des Abdeckkörpers auf die Unterlage über die ganze Länge der Dichtungsflächen gleich oder annähernd gleich wird. Diese Höhe ist dann einerseits abhängig von dem Werkstoff des Abdeckkörpers bzw: dessen Elästizitätswert und andererseits von seiner Dicke und der Entfernung der Einspannpunkte voneinander. Beispielsweise ist bei einem Preßstoffgehäusedeckel von -etwa 5 mm Stärke bei einer Entfernung der Einspannpunkte von 25o mm eine Wölbung der Dichtungsfläche von o; 5 mm erforderlich.This curvature is preferably given the shape of a parabolic surface, whose .The vertex is in the middle between the clamping points. The height of the crown the parabola is expediently to be chosen so that the specific. Pressure of the cover body on the The same pad over the entire length of the sealing surfaces or approximately the same. This height is then on the one hand dependent on the material of the cover body or: its elasticity value and, on the other hand, its thickness and the distance between the clamping points. For example, with one Plastic housing cover of about 5 mm thickness when the clamping points are removed of 25o mm a curvature of the sealing surface of o; 5 mm required.

Die Erfindung wird durch die Zeichnung näher erläutert.The invention is explained in more detail by the drawing.

Fig. i zeigt einen gemäß der Erfindung ausgeführten Preßstoffgehäusiedeckel von der Unterseite. Der Deckel i wird durch Schrauben, die durch in den Ecken angeordnete Löcher 2 in das abzuschließende Gehäuse geschraubt werden, festgespannt. Die Dichtungsflächen 3 besitzen eine Wölbung in Form einer Parabelfläche.Fig. I shows a molded according to the invention designed housing cover from the bottom. The cover i is secured by screws placed in the corners Holes 2 are screwed into the housing to be locked, tightened. The sealing surfaces 3 have a curvature in the form of a parabolic surface.

Fig. 2 zeigt ein Gehäuse 5, das mit einem Preßstoffdeckel6 abgedeckt ist. Der Deckel ist in dem in der Zeichnung gezeigten Zustand nur auf das Gehäuse aufgelegt; aber noch nicht festgespannt. Hierzu sollen in den Ecken angeordnete Schrauben 7 dienen. In diesem Ausführungsbeispiel sind nicht die Dichtungsflächen -des Deckels, 'sondern- die des Gehäuses gewölbt.Fig. 2 shows a housing 5, which is covered with a Preßstoffdeckel6 is. In the state shown in the drawing, the cover is only on the housing hung up; but not yet tightened. This should be arranged in the corners Screws 7 are used. In this embodiment, the sealing surfaces are not - of the lid, but - that of the housing is arched.

Man kann aber auch die erforderliche Wölbung auf die Dichtungskanten des Gehäuses und des Deckels aufteilen und beide mit entsprechend geringeren Wölbungen versehen. Falls der Deckel nicht unmittelbar auf das Gehäuse aufgesetzt, sondern eine Dichtung z. B. in Form eines Weichgummibandes oder Ringes zwischengelegt wird, können sowohl das Gehäuse als auch der Deckel mit ebenen Flächen versehen und die erforderliche Wölbung dadurch erzielt werden, daß die Dichtungseinlage mit gegen die Mitte zwischen den Einspannungspunkten zunehmendem Querschnitt ausgeführt wird.But you can also apply the required curvature to the sealing edges divide the housing and the cover and both with correspondingly smaller curvatures Mistake. If the cover is not placed directly on the housing, but a seal z. B. is inserted in the form of a soft rubber band or ring, can provide both the housing and the cover with flat surfaces and the required curvature can be achieved that the sealing insert with against the middle between the clamping points is executed with increasing cross-section.

Claims (2)

PATENTANSPRÜCHE i. Durch an einzelnen Punkten bewirkte Einspannung dichtend miteinander verbundene Körper; von denen mindestens einer elastisch ist und insbesondere aus Preßstöff besteht, z. B. Gehäuse mit Verschlußdeckel für elektrische Garnituren, dadurch gekennzeichnet, daß mindestens bei einem Körper die Dichtungsflächen zwischen je zwei Einspannpunkten gewölbt sind; insbesondere in Form einer Parabelfläche; deren Scheitelpunkt in der Mitte zwischen den Einspannpunkten liegt. PATENT CLAIMS i. By means of restraint at individual points that are tightly connected to one another; at least one of which is elastic and in particular consists of Preßstöff, z. B. Housing with cover for electrical accessories, characterized in that at least one body, the sealing surfaces are arched between two clamping points; especially in the form of a parabolic surface; whose vertex lies in the middle between the clamping points. 2. Körper nach Anspruch i, dadurch gekennzeichnet; daß die Parabelfläche eine derartige Scheitelhöhe hat, daß der spezifische Druck des Abdeckkörpers auf die Unterlage über die ganze Länge der Dichtungsflächen gleich öder annähernd gleich ist.2. Body after Claim i, characterized; that the parabolic surface has such a vertex height has that the specific pressure of the cover on the substrate over the whole Length of the sealing surfaces is the same or approximately the same.
DE1937S0127632 1937-06-17 1937-06-17 Bodies which are tightly connected to one another by means of restraint at individual points, at least one of which is elastic and in particular consists of pressed material Expired DE689787C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1937S0127632 DE689787C (en) 1937-06-17 1937-06-17 Bodies which are tightly connected to one another by means of restraint at individual points, at least one of which is elastic and in particular consists of pressed material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1937S0127632 DE689787C (en) 1937-06-17 1937-06-17 Bodies which are tightly connected to one another by means of restraint at individual points, at least one of which is elastic and in particular consists of pressed material

Publications (1)

Publication Number Publication Date
DE689787C true DE689787C (en) 1940-04-02

Family

ID=7537540

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1937S0127632 Expired DE689787C (en) 1937-06-17 1937-06-17 Bodies which are tightly connected to one another by means of restraint at individual points, at least one of which is elastic and in particular consists of pressed material

Country Status (1)

Country Link
DE (1) DE689787C (en)

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