Electric reversing three-channel liquid flow valve
A three-channel, liquid flow technology, used in multi-way valves, valve details, valve devices, etc., can solve the problems of large valve body and poor sealing of each valve, and achieve the effect of good sealing effect and small space occupation.
Inactive Publication Date: 2017-05-03
QIQIHAR MEDICAL UNIVERSITY
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- Claims
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Problems solved by technology
[0003] In order to overcome the above-mentioned technical deficiencies, the present invention provides an electric direction-changing three-channel liquid flow valve, which effectively solves the problem that the existing valves are not tightly sealed and the rubber hose elasticity disappears to block the passage of liquid. And the problem of the large volume of the valve body, the solution direction is changed quickly and conveniently
Method used
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Embodiment Construction
[0010] Such as Figure 1-Figure 2 As shown, the structure of the electric reversing three-channel liquid flow valve is as follows: the motor 2 is installed on the upper end of the bracket 1, the motor shaft 3 is arranged on one side of the motor 2, and the motor 2 shell bolts on the end side of the motor shaft 3 are connected to a cylinder with a central hole. Shaped valve seat 4, one end of the rotor core 10 is provided with a bar-shaped groove, the other end is provided with a rotor core rod 12, a limit ring is provided in the middle, an axial rack is provided on the other side of the limit ring, and a radial rack is provided in the middle of the rack. There are pin holes 11; the strip groove of the rotor core 10 is installed on the bump of the motor shaft 3, and the right pressure bearing 9 and the right spring 8 are installed on the right side of the limit ring; the valve core 13 is installed on the rotor core rod 12, and the valve The right end of the core 13 is radially ...
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The invention discloses an electric reverse three-channel fluid valve, and belongs to the technical field of analytical chemical apparatuses and instruments. The electric reverse three-channel fluid valve is characterized in that a cylindrical valve seat is connected with a motor shell, a strip-shaped groove is formed in one end of a rotor core, a rotor core rod is arranged at the other end of the rotor core, a limiting ring is arranged in the middle of the rotor core, and an axial rack is arranged on the other side of the limiting ring; the strip-shaped groove of the rotor core is mounted on a lug of a motor shaft, and a right pressure bearing and a right spring are arranged on the right side of the limiting ring; a torque pin hole is radially formed in the right end of a valve spool, three equal fluid flow channel grooves are formed in the circumference of a ring at the right end of the valve spool, a torque pin penetrates the torque pin hole in the end of the valve spool, and the valve spool is connected with the rotor core by a pin hole in the rotor core; a valve sleeves the outer side of the valve spool, nine liquor holes are uniformly formed in the same circumference of the valve, are divided into three groups and are matched with the fluid flow channel grooves, the middle liquor hole of each group of liquor holes is a fluid inlet hole, the other two holes of each group of liquor holes are fluid outlet holes, and the fluid inlet hole of each group of liquor holes constantly keeps being communicated with one of the other two liquor holes of the group of liquor holes when the corresponding fluid flow channel groove angularly rotates.
Description
technical field [0001] The invention relates to an electric direction-changing three-channel liquid flow valve, which belongs to the technical field of analytical chemical instruments. Background technique [0002] At present, known solution control switches include check valves, electromagnetic valves and program-controlled valves. The check valve has poor pressure resistance and poor sealing. The solenoid valve needs to be powered for a long time during use, which will cause heat to cause the on-off hose to lose its elasticity and lose the solution on-off control function. The popular program-controlled valve adopts a flat design. When used for multi-channel control, the valve body takes up a lot of space, and the space for the top wire leading out of the solution is too large. Contents of the invention [0003] In order to overcome the above-mentioned technical deficiencies, the present invention provides an electric direction-changing three-channel liquid flow valve,...
Claims
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IPC IPC(8): F16K11/02F16K31/04
CPCF16K11/02F16K31/04
Inventor 潘虹张榕董巍马晓星刘畅
Owner QIQIHAR MEDICAL UNIVERSITY