Gas blocking valve for ventilating duct
A technology of ventilation pipes and air lock valves, which is applied in the field of air lock valves, and can solve problems such as workpiece damage, excessive output gas pressure, and insufficient output gas discharge.
Active Publication Date: 2022-01-07
江西科霖环保装备有限公司
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Problems solved by technology
[0004] Aiming at the deficiencies in the use of the existing air-lock valve proposed in the background technology, the present invention provides an air-lock valve for ventilation pipelines, which is equipped with low-pressure gas piston pressurization, high-pressure gas pushes the piston to break the circuit and open The advantages of signal lights, maintaining the output volume of the output gas, and accelerating the discharge speed of the output gas by the piston solve the problems in the above-mentioned background technology that the discharge of the output gas is insufficient, the pulse of the output gas is large, the pressure of the output gas is too large, the workpiece is damaged, and the pressure of the output gas is too high. Minor technical issues that prevent follow-up actions from being completed
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[0024] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] see Figure 1-Figure 4 , an air lock valve for ventilation pipelines, including a valve seat 1, a valve cavity located in the valve seat 1, and an intake pipe 2 located at the bottom of one end of the valve seat 1, so that when the output gas enters the valve seat 1 from the intake pipe 2 , can only enter the space formed by the valve leaf 6 at the bottom of the valve cavity, avoiding the output gas entering the space formed by the valve leaf 6 at the t...
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The invention relates to the technical field of gas circuit valve industry, and discloses a gas blocking valve for a ventilating duct. The valve comprises a valve seat, a valve cavity located in the valve seat, a gas inlet pipe located at the bottom of one end of the valve seat, a gas outlet pipe located at the top end of one side of the valve cavity, a motor located in the center of one end of the valve seat, and an output rod fixedly connected with the output end of the motor, wherein one end of the output rod is fixedly connected with a center roller, the center roller is fixedly connected with valve blades which are evenly distributed, and a pressure adjusting piston is movably connected between every two adjacent valve blades in a sleeved mode. By designing a reset rod, a variable-diameter cavity, a positioning rod, a spring I and a pressure adjusting piston, when the pressure of input gas is too low, the input gas enters the space between the valve blades from the gas inlet pipe, the two adjacent valve blades rotate to form a closed space with the valve cavity, and at the moment, the reset rod enters a movable cavity, so that the pressure adjusting piston can compress low-pressure gas through the spring I to enable the gas pressure to reach the standard and then discharge the gas from the gas outlet pipe, and the situation that follow-up workpiece operation fails due to the fact that the gas pressure of the output gas is too low is avoided.
Description
technical field [0001] The invention relates to the technical field of the gas path valve industry, in particular to an air lock valve used in ventilation pipes. Background technique [0002] When the existing ventilation pipeline transports gas, it is necessary to use the air lock valve to open and close the ventilation pipeline to ensure that the gas transmission can meet the actual production needs. In the space formed by two adjacent valve leaves, the gas is then transported to the docking pipe during the rotation of the valve leaves, so that the gas is delivered. When the motor is turned off, the valve leaves stop rotating, and the air lock valve is sealed at this time. This causes the gas delivery to be disconnected. [0003] The existing air lock valve still has the following problems in the ventilation pipeline. In actual production and manufacturing, there are specific air pressure requirements for the delivered gas. When the air pressure of the output gas is too h...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F16K1/22F16K31/122F16K37/00F24F13/10
CPCF16K1/223F16K1/221F16K31/122F16K37/00F24F13/10
Inventor 曾广文
Owner 江西科霖环保装备有限公司