DE578178C - Spreader for brakes, especially for motor vehicles - Google Patents
Spreader for brakes, especially for motor vehiclesInfo
- Publication number
- DE578178C DE578178C DENDAT578178D DE578178DD DE578178C DE 578178 C DE578178 C DE 578178C DE NDAT578178 D DENDAT578178 D DE NDAT578178D DE 578178D D DE578178D D DE 578178DD DE 578178 C DE578178 C DE 578178C
- Authority
- DE
- Germany
- Prior art keywords
- brake shoe
- spreader
- brakes
- motor vehicles
- brake
- 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
- F16D51/54—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with three or more brake-shoes, at least two of them being linked or directly interacting
- F16D51/56—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with three or more brake-shoes, at least two of them being linked or directly interacting mechanically actuated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Description
Es ist bekannt, auf Bremsbacken, insbesondere solche für Kraftfahrzeuge, mittels eines Spreizgliedes einzuwirken, das zur seitlichen Führung der Backen mit Rippen versehen ist und auf die Bremsbackenenden vermittels Rollen einwirkt.It is known to brake shoes, especially those for motor vehicles, by means of a Acting expansion link, which is provided with ribs for the lateral guidance of the jaws and acts on the brake shoe ends by means of rollers.
Bei diesen bekannten Einrichtungen sind die führenden Rippen für das Spreizglied außerhalb der Mittellinie der Bremsbacken angeordnet, sie nehmen somit infolge ihrer doppelten Anordnung einen recht beträchtlichen Raum in der Querrichtung der Bremseinrichtung ein.In these known devices, the leading ribs are for the spreader member arranged outside the center line of the brake shoes, they thus take as a result of their double arrangement quite a considerable space in the transverse direction of the braking device a.
Es ist gleichfalls bekannt, den Spreiznocken mit einer Mittelrippe zu versehen. In diesem Falle wird die Querverschiebung des Spreiznockens durch Führungsrippen vermieden, die an den Seiten der Backen angeordnet sind.It is also known to provide the expansion cam with a central rib. In this Case, the transverse displacement of the expansion cam is avoided by guide ribs, which are arranged on the sides of the jaws.
Vorliegende Erfindung hat ein Spreizglied zum Gegenstande, das mit einer Mittelrippe versehen ist, welche zwischen je zwei zu beiden Seiten des Bremsbackensteges angeordnete Rollen greift.The present invention is directed to an expansion member having a central rib is provided, which are arranged between two on both sides of the brake shoe web Roles takes effect.
Erfindungsgemäß vereinigt man die Vorteile der an sich bekannten symmetrischen Bremskraftverteiluiig auf die Backen mit denen einer einfachen und wenig umfangreichen Führungseinrichtung für das Spreiz-3a glied.According to the invention, the advantages of the symmetrical ones known per se are combined Bremskraftverteiluiig on the jaws with those of a simple and little extensive Guide device for the spreader 3a member.
Auf der Zeichnung ist ein Ausführungsbeispiel des Erfindungsgegenstandes dargestellt. An exemplary embodiment of the subject matter of the invention is shown in the drawing.
Abb. ι zeigt einen senkrechten Schnitt durch die Bremse.Fig. Ι shows a vertical section through the brake.
Abb. 2 zeigt einen teilweisen Schnitt nach Linie 2-2 der Abb. 1.Fig. 2 shows a partial section along line 2-2 of Fig. 1.
Eine Bremstrommel 1 o, die sich mit einemA brake drum 1 o that deals with a
nicht dargestellten Rad dreht, wird durch den Bremsbackenträger 12 abgeschlossen.Rotates wheel, not shown, is completed by the brake shoe carrier 12.
Die Bremsbacke 18 ist um einen Zapfen 20 verschwenkbar, die zweite Bremsbacke 16, die um einen am Bremsbackenträger 12 sitzenden Zapfen 22 geschwenkt werden kann, ist mit einer dritten Bremsbacke 14 durch einen Bolzen 24 gelenkig verbunden. Die Bremsbacken sind aus zwei Preßstücken zusammengesetzt, die sich Rücken an Rücken aneinander legen und einen Reibbelag tragen. Die Federn 26 und 28 suchen die Bremsbacke in ihre Ruhestellung zu bringen.The brake shoe 18 is pivotable about a pin 20, the second brake shoe 16, the can be pivoted about a pin 22 seated on the brake shoe carrier 12 is with a third brake shoe 14 articulated by a bolt 24. The brake shoes are composed of two pressed pieces, which are back to back against each other place and wear a friction lining. The springs 26 and 28 seek to bring the brake shoe into its rest position.
Die Bremsbacken 14 und 18 tragen jede an ihrem Ende einen Bolzen 38, der in der Verstärkungsrippe der Bremsbacke, die aus den beiden aneinanderliegenden Preßstücken gebildet ist, sitzt. Auf diesem Bolzen sind Rollen 40, 42 angeordnet, die mittels Scheiben 44 gehalten werden. Die Scheiben sind durch. Nieten, Anstauchungen oder ein Hohlstück 46 0. dgl., das an dem Ende des Bolzens 3 8 sitzt, gehalten.The brake shoes 14 and 18 each carry at its end a bolt 38, which is in the reinforcing rib of the brake shoe, which is made the two adjacent pressed pieces is formed, sits. On this bolt are Rollers 40, 42 are arranged, which are held by means of discs 44. The discs are by. Rivets, upsets or a hollow piece 46 0. Like. That at the end of the Bolt 3 8 is seated, held.
Ein Spreiznocken 48 ist mit einer mittleren Rippe 50 versehen, die sich zwischen die Rollen der Bremsbacken legt. Durch diesen Spreiznocken werden die Rollen 40 und 42 auseinandergedrückt und damit die Bremsbacken 14 und 18 zürn Anziehen 'der Bremse gegen die Bremstrommel gedrückt.An expansion cam 48 is provided with a central rib 50 which extends between the Rolls the brake shoes sets. The rollers 40 and 42 pressed apart and thus the brake shoes 14 and 18 to tighten 'the brake pressed against the brake drum.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE578178T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE578178C true DE578178C (en) | 1933-06-10 |
Family
ID=6570370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT578178D Expired DE578178C (en) | Spreader for brakes, especially for motor vehicles |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE578178C (en) |
-
0
- DE DENDAT578178D patent/DE578178C/en not_active Expired
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