DE1234551B - Brake valve in compressed air brake systems for vehicles, in particular motor vehicles - Google Patents
Brake valve in compressed air brake systems for vehicles, in particular motor vehiclesInfo
- Publication number
- DE1234551B DE1234551B DEF30256A DEF0030256A DE1234551B DE 1234551 B DE1234551 B DE 1234551B DE F30256 A DEF30256 A DE F30256A DE F0030256 A DEF0030256 A DE F0030256A DE 1234551 B DE1234551 B DE 1234551B
- Authority
- DE
- Germany
- Prior art keywords
- brake
- vehicles
- valve
- compressed air
- stop
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0525—Height adjusting or levelling valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/04—Driver's valves
- B60T15/043—Driver's valves controlling service pressure brakes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Description
Bremsventil in Druckluftbremsanlagen für Fahrzeuge, insbesondere Kraftfahrzeuge Die Erfindung betrifft ein Bremsventil in Druckluftbremsanlagen für Fahrzeuge, insbesondere Kraftfahrzeuge, mit einem das Ein- und Auslaßventil betätigenden, vom Bremszylinderdruck beaufschlagten Rückführkolben, auf den die Betätigungskraft über eine Feder übertragen wird, die zwischen dem Rückführkolben und einer im Gehäuse des Bremsventils geführten Büchse angeordnet ist, die über ein mechanisches Gestänge mit dem Bremspedal verbunden ist und deren Hub zur Begrenzung des Bremszylinderdruckes durch einen Anschlag begrenzt ist.Brake valve in compressed air brake systems for vehicles, in particular motor vehicles The invention relates to a brake valve in compressed air brake systems for vehicles, in particular Motor vehicles with an inlet and outlet valve actuating the brake cylinder pressure loaded return piston to which the actuating force is transmitted via a spring is guided between the return piston and one in the housing of the brake valve Bushing is arranged, which is connected to the brake pedal via a mechanical linkage and its stroke to limit the brake cylinder pressure is limited by a stop is.
Bei einem bekannten derartigen Bremsventil (USA.-Patentschrift 1721349) wird der Hub durch einen Anschlag begrenzt, der auf das Bremsventilgehäuse aufgeschraubt ist. Die Büchse bildet mit einem als Betätigungsglied dienenden Stempel einen Bauteil. Die Herstellung des bekannten Bremsventils ist teuer, weil die Einzelteile in zeitraubenden Verfahren bearbeitet werden müssen. Wenn man davon ausgeht, daß zur Betätigung des Antriebsorgans, die durch den Fuß erfolgt, von der durch die Auflage der Ferse bedingten, auf einem Kreisbogen erfolgenden Bewegung des Fußballens nicht abgegangen werden darf, was jedoch bei dieser bekannten Vorrichtung der Fall ist, so treten senkrecht zur axialen Bewegungsrichtung des Stempels Kräfte auf, die ein Verklemmen desselben mit sich bringen können, besonders wenn Schmutz an den Stempel gelangt. Dies würde einen Ausfall der Bremsanlage zur Folge haben, so daß die Sicherheit des Fahrzeuges nicht mehr gegeben ist.In a known such a brake valve (USA. Patent 1 721 349) the stroke is limited by a stop, which is screwed to the brake valve housing. The bushing forms a component with a punch serving as an actuating member. The production of the known brake valve is expensive because the individual parts have to be processed in time-consuming processes. If one assumes that to actuate the drive member, which takes place through the foot, the movement of the ball of the foot caused by the support of the heel and taking place on an arc of a circle must not be departed from, which is the case with this known device, so step perpendicular to the axial direction of movement of the punch forces that can jam the same with it, especially if dirt gets to the punch. This would lead to a failure of the brake system, so that the safety of the vehicle is no longer given.
Aufgabe der Erfindung ist es, alle diese Nachteile zu vermeiden und ein Bremsventil zu schaffen, bei dem eine gute Führung der beweglichen Teile im Gehäuse gewährleistet ist, und das im Aufbau einfach, sowie leicht montierbar ist.The object of the invention is to avoid all these disadvantages and to create a brake valve in which a good guidance of the moving parts in the Housing is guaranteed, and the structure is simple and easy to assemble.
Diese Aufgabe wurde bei dem Bremsventil der eingangs genannten Art nach der Erfindung dadurch gelöst, daß die Büchse aus einem hohlzylindrischen Teil und einem über den genannten Teil greifenden Deckel besteht, der einen als Anschlag ausgebildeten Rand aufweist, der mit einem am Gehäuse ausgebildeten Anschlag zusammenwirkt.This task was carried out with the brake valve of the type mentioned at the beginning solved according to the invention in that the sleeve consists of a hollow cylindrical part and a cover that extends over said part and acts as a stop has formed edge which cooperates with a stop formed on the housing.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Das Ventil A wird durch eine Feder B gegen seinen Sitz gedrückt. Es steuert den Durchfluß der Preßluft zwischen den Rohranschlüssen C 1 und C 2, die mit dem nicht dargestellten Preßluftbehälter bzw. mit den ebenfalls nicht dargestellten Bremszylindem in Verbindung stehen. Das Ventil A wird durch Bewegen des mit dem Kolben F verbundenen hohlen Teiles D entgegen der Kraft der Feder B von seinem Sitz abgehoben. Der Kolben F ist mit der Büchse H über eine Feder G verbunden. Durch Bewegen des Hebels K wird die Büchse H und mit ihr der Kolben F nach unten geführt. Hierbei gleitet die Büchse H in einer Führung des Körpers L des Bremsventils.An exemplary embodiment of the invention is shown in the drawing. The valve A is pressed against its seat by a spring B. It controls the flow of compressed air between the pipe connections C 1 and C 2, which are connected to the compressed air tank, not shown, or to the brake cylinders, also not shown. The valve A is lifted from its seat by moving the hollow part D connected to the piston F against the force of the spring B. The piston F is connected to the sleeve H via a spring G. By moving the lever K, the bushing H and with it the piston F are guided downwards. Here, the sleeve H slides in a guide of the body L of the brake valve.
Die Büchse H ist mit einem Deckel 2 versehen, der einen umgebogenen Rand 2" aufweist. Der Ab- stand zwischen dem Rand 2' und der Kante 3' des Bremsventilkörpers L ist so gewählt, daß die Spannung der Feder G es dem Rückführkolben F ermöglicht, in die Ventilschließstellung zurückzugehen, wenn der Druck im Anschluß C 2 die Höhe des Druckes im Anschluß C 1 noch nicht erreicht hat. Der Druck in dem Anschluß C 2 kann also niedriger gehalten werden als der Druck in dem Anschluß C 1. The sleeve H is provided with a cover 2 which has a bent edge 2 ". The distance between the edge 2 'and the edge 3' of the brake valve body L is selected so that the tension of the spring G enables the return piston F to do so to return to the valve closing position when the pressure in port C 2 has not yet reached the level of the pressure in port C 1. The pressure in port C 2 can therefore be kept lower than the pressure in port C 1.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1234551X | 1959-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1234551B true DE1234551B (en) | 1967-02-16 |
Family
ID=11433932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEF30256A Pending DE1234551B (en) | 1959-01-12 | 1960-01-09 | Brake valve in compressed air brake systems for vehicles, in particular motor vehicles |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1234551B (en) |
| FR (1) | FR1245143A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2851290A1 (en) * | 1978-11-27 | 1980-06-26 | Wabco Fahrzeugbremsen Gmbh | PRESSURE PIECE IN PNEUMATIC AND HYDRAULIC VALVES |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR485401A (en) * | 1916-04-12 | 1918-01-09 | Theodore Douglas | New valve |
| US1721349A (en) * | 1928-03-16 | 1929-07-16 | Robert E Mitton | Fluid valve |
| FR779377A (en) * | 1933-12-28 | 1935-04-03 | Freins Jourdain Monneret | Fluid direct brake and automatic brake timing valve |
| DE681461C (en) * | 1937-07-01 | 1939-09-23 | Bosch Gmbh Robert | Control device for pressure medium brakes in trucks |
| CH219037A (en) * | 1939-05-26 | 1942-01-15 | Teves Maschinen & Armaturenfab | Pressure medium braking device with several line networks. |
| GB557764A (en) * | 1942-07-06 | 1943-12-03 | Albert Lance Ogden | New or improved pressure-regulating means for controlling the flow of fluids |
| FR903013A (en) * | 1944-03-24 | 1945-09-21 | Avions Caudron Sa Des | Fluid valve-regulator |
| DE1617976U (en) * | 1950-11-04 | 1950-12-21 | Westinghouse Bremsen Gmbh | BRAKE VALVE FOR THE COMPRESSED AIR BRAKE OF LOADS. |
| FR1119994A (en) * | 1954-12-21 | 1956-06-27 | Magneti Marelli Spa | Co-axial distributor of compressed fluid for controlling the brakes on two-axle vehicles |
| DE948297C (en) * | 1952-07-08 | 1956-08-30 | Herm Sander & Soehne | Acetylene pressure reducer with working pressure adjustment lock |
| DE1024766B (en) * | 1953-12-10 | 1958-02-20 | Westinghouse Bremsen Gmbh | Force-dependent control valve, especially brake valve |
| GB803334A (en) * | 1955-07-29 | 1958-10-22 | Georges Clesse Sa Des Ets | Improvements in or relating to combined pressure-reducing and shut-off valve devices |
| DE1110030B (en) | 1957-02-09 | 1961-06-29 | Bosch Gmbh Robert | Multi-circuit brake valve for hydraulic brake systems in motor vehicles |
-
1959
- 1959-12-22 FR FR40014A patent/FR1245143A/en not_active Expired
-
1960
- 1960-01-09 DE DEF30256A patent/DE1234551B/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR485401A (en) * | 1916-04-12 | 1918-01-09 | Theodore Douglas | New valve |
| US1721349A (en) * | 1928-03-16 | 1929-07-16 | Robert E Mitton | Fluid valve |
| FR779377A (en) * | 1933-12-28 | 1935-04-03 | Freins Jourdain Monneret | Fluid direct brake and automatic brake timing valve |
| DE681461C (en) * | 1937-07-01 | 1939-09-23 | Bosch Gmbh Robert | Control device for pressure medium brakes in trucks |
| CH219037A (en) * | 1939-05-26 | 1942-01-15 | Teves Maschinen & Armaturenfab | Pressure medium braking device with several line networks. |
| GB557764A (en) * | 1942-07-06 | 1943-12-03 | Albert Lance Ogden | New or improved pressure-regulating means for controlling the flow of fluids |
| FR903013A (en) * | 1944-03-24 | 1945-09-21 | Avions Caudron Sa Des | Fluid valve-regulator |
| DE1617976U (en) * | 1950-11-04 | 1950-12-21 | Westinghouse Bremsen Gmbh | BRAKE VALVE FOR THE COMPRESSED AIR BRAKE OF LOADS. |
| DE948297C (en) * | 1952-07-08 | 1956-08-30 | Herm Sander & Soehne | Acetylene pressure reducer with working pressure adjustment lock |
| DE1024766B (en) * | 1953-12-10 | 1958-02-20 | Westinghouse Bremsen Gmbh | Force-dependent control valve, especially brake valve |
| FR1119994A (en) * | 1954-12-21 | 1956-06-27 | Magneti Marelli Spa | Co-axial distributor of compressed fluid for controlling the brakes on two-axle vehicles |
| GB803334A (en) * | 1955-07-29 | 1958-10-22 | Georges Clesse Sa Des Ets | Improvements in or relating to combined pressure-reducing and shut-off valve devices |
| DE1110030B (en) | 1957-02-09 | 1961-06-29 | Bosch Gmbh Robert | Multi-circuit brake valve for hydraulic brake systems in motor vehicles |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2851290A1 (en) * | 1978-11-27 | 1980-06-26 | Wabco Fahrzeugbremsen Gmbh | PRESSURE PIECE IN PNEUMATIC AND HYDRAULIC VALVES |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1245143A (en) | 1960-09-26 |
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