Buffer type pneumatic actuator
A technology of pneumatic actuators and air chambers, applied in the direction of engine components, fluid pressure actuation devices, fluid pressure actuation system components, etc., can solve the problem of lack of cushioning, affecting the service life and reliability of valve pneumatic actuators, and valve opening problems such as fast closing speed and so on, so as to avoid the effect of service life and reliability
Inactive Publication Date: 2021-02-23
江苏汇朗机械科技有限公司
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Problems solved by technology
[0002] Pneumatic actuator is an actuator that uses air pressure to drive the opening and closing or regulating valve. It is also called pneumatic actuator or pneumatic device, but it is generally called pneumatic head. Pneumatic actuators are sometimes equipped with certain auxiliary devices. Traditional While the advanced pneumatic actuator has the functions of quick opening and quick closing, the opening and closing speed of the valve is also accelerated, which makes the impact on the valve seat, valve core, valve stem, seal and other parts obvious, so there is no It has the function of buffering, which seriously affects the service life and reliability of valves and pneumatic actuators. Therefore, we propose a buffering pneumatic actuator to solve the above problems
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[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0023] refer to Figure 1-4 , a buffer type pneumatic actuator, including a cylinder block 1, the first piston 2 and the second piston 3 are slidably connected to the left and right sides of the inner cavity of the cylinder block 1, and the front and back of the inner cavity of the cylinder block 1 are rotatably connected by bearings There is an output shaft 4, the outer surface of the output shaft 4 is sleeved with a gear 5, the top of the right side of the first piston 2 is fixedly connected with a first tooth plate 6, the first tooth plate 6 meshes with the gear 5, and the second piston 3 The bottom on the left side is fixedly connected with the second tooth plate...
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The invention relates to the technical field of pneumatic actuators, in particular to a buffer type pneumatic actuator, and aims to overcome the defects in the prior art. The buffer type pneumatic actuator comprises an air cylinder body, a first piston and a second piston are slidably connected to the left side and the right side of an inner cavity of the air cylinder body correspondingly, and anoutput rotating shaft is rotatably connected to the front face and the back face of the inner cavity of the air cylinder body through bearings; and the outer surface of the output rotating shaft is connected with a gear in a sleeving manner, the air cylinder body, the first piston, the second piston, the output rotating shaft, the gear, a first toothed plate and a second toothed plate are arrangedto jointly form the pneumatic actuator, the first piston and the second piston can be buffered by arranging a fixing plate, a sliding groove, a first compressed spring and a second compressed spring,and through arranging the structures, the pneumatic actuator has the advantage of being capable of buffering when used, the problem that an original pneumatic actuator cannot achieve buffering when used is solved, and therefore the service life and reliability of a valve and the pneumatic actuator are prevented from being affected.
Description
technical field [0001] The invention relates to the technical field of pneumatic actuators, in particular to a buffer type pneumatic actuator. Background technique [0002] Pneumatic actuator is an actuator that uses air pressure to drive the opening and closing or regulating valve. It is also called pneumatic actuator or pneumatic device, but it is generally called pneumatic head. Pneumatic actuators are sometimes equipped with certain auxiliary devices. Traditional While the advanced pneumatic actuator has the functions of quick opening and quick closing, the opening and closing speed of the valve is also accelerated, which makes the impact on the valve seat, valve core, valve stem, seal and other parts obvious, so there is no It has the function of buffering, which seriously affects the service life and reliability of valves and pneumatic actuators. Therefore, we propose a buffering pneumatic actuator to solve the above problems. Contents of the invention [0003] The ...
Claims
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IPC IPC(8): F16K31/122F15B15/22F15B15/14F15B21/048
CPCF15B15/1414F15B15/226F15B21/048F16K31/1221F16K31/1225
Inventor 李平平王毅徐天同
Owner 江苏汇朗机械科技有限公司