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Integrated brake rocker arm device of engine

A brake rocker, integrated technology, applied in the direction of engine components, machines/engines, valve devices, etc., can solve the problems of bulky structure, low reliability, complex structure, etc., and achieve simple mechanism structure, stable and reliable spring performance, and system The effect of high reliability

Active Publication Date: 2020-09-22
DONGFENG COMML VEHICLE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The current integrated engine brake rocker in the industry has a bulky structure, complex structure, slow response, and low reliability. The bulky structure is not conducive to the realization of lightweight vehicles

Method used

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  • Integrated brake rocker arm device of engine
  • Integrated brake rocker arm device of engine
  • Integrated brake rocker arm device of engine

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Embodiment Construction

[0054]The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0055] refer to figure 1 As shown, the present invention proposes an integrated braking rocker arm device for an engine, which includes a rocker arm body 2, one end of which is in contact with the exhaust cam 39 through a roller mechanism 26 hinged at the end, and an axial through hole at the other end. Exhaust gas foot 29 is arranged, and the axially arranged control chamber on the rocker arm body 2 and the axially arranged brake chamber are respectively provided with a control mechanism 27 and a braking mechanism 28 (i.e., the execution piston). With hydraulic mechanism. The control mechanism 27 includes a spool valve 15, a positioning ring 5, a cup valve 13, and a plug 4 installed in the control chamber in sequence. The spool valve 15 is provided with a ball valve seat 19, a ball valve compression spring 18 set outside the ball valve seat 1...

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Abstract

The invention discloses an integrated brake rocker arm device of an engine, and relates to the technical field of engine brake rocker arms. The integrated brake rocker arm device comprises a control mechanism arranged on a rocker arm body, the control mechanism comprises a slide valve, a positioning ring, a cup-shaped valve and a plug which are sequentially installed in a control cavity, a ball valve seat, a ball valve compression spring arranged outside the ball valve seat in a sleeved mode and a ball valve located on the ball valve seat are arranged in the sliding valve, the ball valve seatis compressed by the ball valve compression spring, a ball valve piston spring is arranged in the cup-shaped valve, the opening end of the cup-shaped valve faces the plug, and a protrusion at the bottom of the other end of the cup-shaped valve abuts against the ball valve. The sliding valve structure is adopted in the control mechanism, the braking response speed is increased, the reliability is high, and the structure is compact.

Description

technical field [0001] The invention relates to the technical field of an engine brake rocker, in particular to an integrated brake rocker device for an engine. Background technique [0002] The commercial vehicle heavy-duty diesel engine rocker brake is an auxiliary braking device integrated on the commercial vehicle engine. Long-distance commercial vehicles need to use brakes frequently on long and gentle slope roads, and commercial vehicles without auxiliary braking devices such as engine brakes need to constantly use wheel brakes with foot brakes to reduce vehicle speed. However, on long and gentle slope roads, using wheel brakes for a long time will cause the temperature of the brake pads to rise too fast, which will cause the temperature of the brake pads to be too high. Potential safety hazards and property losses are also one of the important reasons why major traffic accidents often occur on mountain roads with complex terrain. Therefore, it is necessary to equip c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01L13/06F01L1/18
CPCF01L1/18F01L13/065
Inventor 张芳范雨万虎吴囿霖李庆华赵晨瑞
Owner DONGFENG COMML VEHICLE CO LTD
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