Volume-variable multi-cavity air spring auxiliary chamber and working method thereof
A technology of air springs and additional air chambers, applied in the direction of springs, springs/shock absorbers, elastic suspensions, etc., can solve problems such as low efficiency, cumbersome operation, and the volume of additional air chambers cannot be changed quickly, so as to improve ride comfort performance, and the effect of improving stability
Inactive Publication Date: 2011-04-06
JIANGSU UNIV
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Problems solved by technology
The additional air chamber of the air spring communicates with the main air chamber through a conduit. If the volume of the additional air chamber needs to be changed, the original additional air chamber must be removed and replaced with a new additional air chamber with a different volume, which results in the volume of the additional air chamber It cannot be changed quickly, the air spring stiffness has a small range of changes, the operation is cumbersome, and the efficiency is low
Method used
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Embodiment Construction
[0011] see figure 1 The additional air chamber of the present invention has a cylindrical sealed cylinder 1, and along the axial direction of the cylinder 1, the inner cavity of the cylinder 1 is divided into a plurality of sealed chambers by a partition, at least two chambers, which The multiple chambers are the first chamber 2, the second chamber 3, the third chamber 4...the nth chamber in sequence. The volumes of multiple chambers are different from each other, and the volume of each chamber increases by 2 times from small to large, that is, the volume of the first chamber 2, the second chamber 3, the third chamber 4...the nth chamber The ratio is: 1:2:4...: .
[0012] figure 1 Taking three chambers as an example, the structure and principle of more than three chambers can be deduced by analogy.
[0013] A plurality of small holes corresponding to the number of the plurality of chambers are provided on the outer wall of the cylinder body 1, and the plurality of small h...
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The invention discloses a volume-variable multi-cavity air spring auxiliary chamber in a vehicle air suspension system and a working method thereof. A plurality of sealed cavities are separated along an axial direction of an inner cavity of a cylinder; the volumes of the plurality of sealed cavities are doubled from small to large in turn; a plurality of small holes of which the centers form a line corresponding to the plurality of cavities are formed on an outer wall of the cylinder and are respectively communicated with corresponding cavities; an identical pipeline is fixedly connected at each small hole respectively; the other end of the pipeline is communicated with a main and auxiliary chamber communicating pipe; a solenoid valve connected with a driving circuit is respectively arranged on each pipeline; the driving circuit controls the opening or closing of each solenoid valve; an air spring main chamber is / is not communicated with each corresponding cavity in the cylinder respectively; and due to the number of the opened solenoid valves, the cylinder correspondingly has different volumes so as to realize variable volume of the auxiliary chamber and stepless adjustment of the rigidity of the air spring.
Description
[0001] technical field [0002] The invention relates to an air suspension system of a vehicle, in particular to an additional air chamber of its air spring. Background technique [0003] At present, when the air spring of a vehicle is in operation, the volume of the additional air chamber is changed by replacing the additional air chambers with different volumes as a whole. The additional air chamber of the air spring communicates with the main air chamber through a conduit. If the volume of the additional air chamber needs to be changed, the original additional air chamber must be removed and replaced with a new additional air chamber with a different volume, which results in the volume of the additional air chamber It cannot be changed quickly, the change range of the air spring stiffness is small, the operation is cumbersome, and the efficiency is low. Contents of the invention [0004] An object of the present invention is to solve the above-mentioned deficiencies in...
Claims
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Login to View More IPC IPC(8): F16F9/02F16F9/32F16F9/43B60G17/048
Inventor 江洪李超王申旭黄定师高明宏
Owner JIANGSU UNIV