DE607898C - Inner shoe brake, especially for motor vehicles - Google Patents
Inner shoe brake, especially for motor vehiclesInfo
- Publication number
- DE607898C DE607898C DEP64095D DEP0064095D DE607898C DE 607898 C DE607898 C DE 607898C DE P64095 D DEP64095 D DE P64095D DE P0064095 D DEP0064095 D DE P0064095D DE 607898 C DE607898 C DE 607898C
- Authority
- DE
- Germany
- Prior art keywords
- brake
- shoe
- piece
- brake shoe
- shoes
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/46—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action
- F16D51/48—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with two linked or directly-interacting brake shoes
- F16D51/50—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with two linked or directly-interacting brake shoes mechanically actuated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Description
Die Erfindung betrifft Bremsen, insbesondere für Kraftfahrzeuge, und ist besonders zur Anwendung auf schwebende Bremsen geeignet, die durch die Drehung der Bremstrommel mitgenommen werden.The invention relates to brakes, particularly for automobiles, and is particular Suitable for use on floating brakes caused by the rotation of the brake drum get picked up.
Der Zweck der Erfindung besteht darin, eine einfache Bremse zu schaffen, welche es ermöglicht, daß sich das verankerte Ende der Bremsbacken gegenüber der Bremstrommel leicht in radialer Richtung verschiebt, um Ungleichheiten in der Herstellung und die exzentrische Beanspruchung der Trommel auszugleichen.The purpose of the invention is to create a simple brake that does it allows the anchored end of the brake shoes to be opposite the brake drum Slightly shifts in the radial direction to inequalities in manufacture and the to compensate for eccentric stress on the drum.
Bei einer bekannten Bremse ist diese radiale Beweglichkeit dadurch möglich, daß an den Enden der Bremsbacken zylindrische Lagerflächen vorgesehen sind, die sich an einen zylindrischen Widerlagerbolzen anlegen. Infolge der beträchtlichen Reibung, insbesondere bei starker Bremswirkung, kann jedoch bei dieser Bremsausführung ein Festfressen an den zylindrischen Lagerflächen erfolgen.In a known brake, this radial mobility is possible in that the Ends of the brake shoes cylindrical bearing surfaces are provided, which are attached to a Position the cylindrical abutment bolt. As a result of considerable friction, in particular if the braking effect is strong, this type of brake can, however, seize take place on the cylindrical bearing surfaces.
Die in radialer Richtung wirkende Reibkraft vergrößert, besonders unter dem starkenThe frictional force acting in the radial direction increases, especially under the strong one
a5 Druck, mit dem die Bremsbacke von der sich drehenden Trommel gegen die Lagerfläche gepreßt wird, bei einer anderen bekannten Bremsausführung beim Anziehen der Bremse den Bewegungswiderstand in radialer Richtung der mit glatten Enden versehenen gegeni eine Verankerung sich abstützenden Bremsbacken. a 5 pressure with which the brake shoe is pressed by the rotating drum against the bearing surface, in another known brake design when the brake is applied, the resistance to movement in the radial direction of the brake shoes provided with smooth ends against an anchoring supporting themselves.
Erfindungsgemäß wird diese radiale Beweglichkeit der Bremsbackenenden dadurch verbessert, daß ein Schwingstück zwischen den Bremsbackenenden und dem Widerlagerzapfen eingeschaltet ist, wodurch die beim Anziehen der Bremse zwischen den Widerlagerbolzen und Bremsbackenenden entstehende, in radialer Richtung wirkende Reibkraft in Lagerzapfenreibung umgewandelt und gegebenenfalls auch in rollende Lagerzapfenreibung umgewandelt werden kann.According to the invention, this radial mobility of the brake shoe ends is thereby achieved improved that a swing piece between the brake shoe ends and the abutment pin is switched on, which means that when the brake is applied between the abutment bolts and brake shoe ends, the frictional force acting in the radial direction is converted into bearing journal friction and, if necessary, can also be converted into rolling journal friction.
Bei dem nachfolgend beschriebenen Ausführungsbeispiel der Erfindung ist das Schwingstück als Raute mit abgerundeten Ecken ausgebildet. Dieses Schwingstück kann auch aus drei Teilen gebildet werden, von denen der mittlere kleiner ist als die äußeren, go wodurch in an sich bekannter Weise eine Nut zur Führung der Bremsbackenstege gebildet wird.In the embodiment of the invention described below, this is Swing piece designed as a rhombus with rounded corners. This rocker can can also be formed from three parts, of which the middle one is smaller than the outer one, go whereby a groove for guiding the brake shoe webs is formed in a manner known per se will.
Ein bevorzugtes Ausführungsbeispiel der Erfindung ist auf der beiliegenden Zeichnung veranschaulicht.A preferred embodiment of the invention is shown in the accompanying drawing illustrated.
Fig. ι zeigt einen lotrechten Querschnitt durch die Bremse, und zwar innerhalb der Bremstrommel, wobei die Bremsbacken in Seitenansicht dargestellt sind.Fig. Ι shows a vertical cross section through the brake, within the Brake drum, the brake shoes are shown in side view.
Claims (4)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US607898XA | 1930-10-22 | 1930-10-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE607898C true DE607898C (en) | 1935-01-09 |
Family
ID=22031765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEP64095D Expired DE607898C (en) | 1930-10-22 | 1931-10-21 | Inner shoe brake, especially for motor vehicles |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE607898C (en) |
-
1931
- 1931-10-21 DE DEP64095D patent/DE607898C/en not_active Expired
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