Rocker arm support oil applying lubricating structure of variable valve exhaust brake
A technology of internal brake and rocker arm seat, which is applied to the parts of the brake, the lubrication of the engine, the type of the brake, etc. It can solve the problems of the drop of oil pressure on the brake and the poor lubrication of the rocker bushing, so as to ensure the lubrication requirements and avoid the oil pressure. The effect of reducing oil pressure and reducing oil shortage
Active Publication Date: 2016-02-24
GUANGXI YUCHAI MASCH CO LTD
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Problems solved by technology
[0003] This oiling method diverts part of the lubricating oil flowing through the rocker arm bushing, and there are risks such as insufficient oiling of the brake in the cylinder, poor lubrication of the rocker arm bushing, and a drop in brake oiling pressure.
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[0014] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
[0015] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.
[0016] Such as figure 1 and figure 2 As shown, the specific structure of the oil lubricating structure of the rocker arm seat of the in-cylinder brake according to the specific embodiment of the present invention includes: the rocker arm seat 1, and the oil passage hole 2 opened in the rocker arm seat 1, the bush oiling Holes 3 and bolt holes 4, wherein one end of the oil channel hole 2 communicates with the oil hole 3 o...
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The invention discloses a rocker arm support oil applying lubricating structure of a variable valve exhaust brake. The rocker arm support oil applying lubricating structure comprises a rocker arm support, an oil passage hole and a bushing oil applying hole, wherein the rocker arm support is used for supporting a rocker arm shaft and drives the rocker arm shaft to rotate in a rocker arm shaft bushing; the oil passage hole is formed in one side of the rocker arm support and always communicated with a main oil passage of engine lubricating oil; the first oil outlet end of the oil passage hole is communicated with a lubricating oil pipe; and one end of the bushing oil applying hole is communicated with the second oil outlet end of the oil passage hole, and the other end of the bushing oil applying hole is communicated to the rocker arm shaft bushing. The rocker arm support oil applying lubricating structure of the variable valve exhaust brake is bifurcated at the initial position of the oil applying passage of the rocker arm support, and an oil applying hole for the variable valve exhaust brake is separated from the bushing oil applying hole, so that oil for lubricating the rocker arm shaft bushing does not need to be shunt from oil for lubricating the variable valve exhaust brake, the lubricating requirements of the rocker arm shaft bushing are ensured, insufficient oil application for the variable valve exhaust brake can also be reduced, and the risk that the oil applying pressure of the brake declines is avoided.
Description
technical field [0001] The invention relates to the field of brakes, in particular to an oil lubrication structure for a rocker arm seat of an in-cylinder brake. Background technique [0002] The lubrication of the brake in the cylinder is generally lubricated by engine lubricating oil. The lubricating oil is led from the main oil passage to the rocker shaft. After passing through the rocker shaft bushing, it enters the lubricating oil pipe through the oil hole on the rocker arm seat. transported to the in-cylinder brake. [0003] This oiling method diverts a part of the lubricating oil flowing through the rocker arm bushing, and there are risks such as insufficient oiling of the brake in the cylinder, poor lubrication of the rocker arm bushing, and a drop in brake oiling pressure. [0004] The information disclosed in this Background section is only for enhancing the understanding of the general background of the present invention and should not be taken as an acknowledgme...
Claims
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IPC IPC(8): F16D65/00F16N1/00
CPCF16D65/00F16N1/00
Inventor 刘显宏朱荣苏怀林吴定勇余锦海
Owner GUANGXI YUCHAI MASCH CO LTD