A valve body assembly for a two-position two-way valve with high pressure and large flow and rapid response
A two-position two-way valve, fast response technology, applied in the direction of valve operation/release device, lift valve, slide valve, etc., can solve the problem of large slide valve stroke, etc., to increase the total stroke, solve the response time, and shorten the response the effect of time
Inactive Publication Date: 2014-10-22
DALIAN UNIV OF TECH
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Problems solved by technology
In addition, in order to maintain the tightness, the stroke of the spool valve is large, which is in conflict with the quick response ability
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[0013] The valve side shell 4 in the valve body assembly of a high-pressure, high-flow, quick-response two-position two-way valve of this specific embodiment is connected to the controlled oil circuit of the applied fluid control system in a plug-in manner. In practical applications, according to the requirements of practical applications, the inner valve core 2 can be driven by electromagnetic, mechanical, hydraulic or pneumatic methods; the inner valve core 2 can be reset by mechanical or hydraulic feedback or pneumatic feedback. The valve sleeve 3 can be driven by electromagnetic, mechanical, hydraulic or pneumatic methods; the valve sleeve 3 can be reset by mechanical or hydraulic feedback or pneumatic feedback. The valve-side housing 4 can be connected to the controlled oil circuit of the applied fluid control system by means of plug-in or threaded connection.
[0014] like figure 1 and figure 2 As shown, a valve body assembly of a two-position two-way valve with high ...
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The invention discloses a high-pressure high-flow quick response valve body assembly of a two-position two-way valve and belongs to a valve body assembly in a fluid control system. The valve body assembly comprises an inner valve core, a valve bush, a first stop block, a second stop block, a valve side shell and the like. The first stop block is nested into the inner valve core; the inner valve core and the second stop block are respectively nested into the valve bush from the left end and the right end; and the valve bush is nested into the valve side shell. Moving parts, i.e. the inner valve core and the valve bush, in the valve body assembly are respectively of a fluid pressure balance structure, and thus, the motion of the valve body assembly is not influenced by the pressure of controlled fluid and can be used for controlling high-pressure fluid. During a changeover process, the inner valve core and the valve bush do a synchronous reverse motion, and therefore, the response time of the valve body is shortened, the total travel of the valve body is increased, and the contradiction between shortening the response time and increasing the armature travel of a traditional valve body simultaneously is eliminated. The valve body assembly can be used for fluid control occasions asking for high pressure, high flow and quick response simultaneously.
Description
technical field [0001] The utility model relates to a valve body assembly of a two-position two-way valve with high pressure and large flow rate and rapid response, which belongs to the valve body assembly in a fluid control system. Background technique [0002] Fluid control systems such as hydraulics and pneumatics have been widely used in various sectors of the national economy because of their advantages such as flexible control, large power-to-weight ratio, smooth movement, simple structure, and easy layout. As the main control part of the system, the rapid response capability, flow capacity and high pressure bearing capacity of the valve body assembly are directly related to the further expansion of the application field of the fluid control system. For example, the valve body components used in the fields of vehicle electronic control injection system or variable valve drive system need to meet the response time of milliseconds or lower, the instantaneous flow rate of...
Claims
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IPC IPC(8): F16K13/00F16K1/38F16K1/42F16K3/26F16K31/06
Inventor 崔靖晨田江平隆武强
Owner DALIAN UNIV OF TECH