Expansion valve components, one-way expansion valve and two-way circulation expansion valve
A technology for expansion valves and components, which is applied in the fields of expansion valve components, one-way expansion valves, two-way flow expansion valves, and mechanical automatic expansion valves. It can solve problems such as increasing energy consumption of air conditioners, increasing refrigerant resistance, and reducing service life. Effect of improving service life, reducing wear and improving life
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[0048] Example 1
[0049] like figure 1 As shown, the present expansion valve assembly includes a valve body 1a having an inlet 1a3 and an outlet 1a1, a valve seat 1b fixed in the valve body 1a, a valve core 1c, and a spring 1d that causes the valve core 1c to move toward the valve seat 1b. The valve core 1c has a conical head 1c1, the valve seat 1b is provided with a conical hole matching the head 1c1 of the valve core 1c, and between the valve core 1c and the valve seat 1b there is a buffer which can buffer the valve core 1c. Damping structure.
[0050] Specifically, as figure 2 , image 3 , Figure 4 As shown, the valve body 1a is in the shape of a straight cylinder, the inlet 1a3 is located at the port of the straight cylinder valve body 1a, the outlet 1a1 is opened on the side wall of the valve body 1a, and the valve core 1c also has a cylindrical shape connected to the head 1c1 of the valve core 1c. The tail of 1c2. The head 1c1 of the valve core 1c has a front cy...
Example Embodiment
[0053] Embodiment 2
[0054] The structure and principle of the second embodiment are basically similar to those of the first embodiment, such as Figure 5 As shown, the difference from the first embodiment is the damping structure. The damping structure of the second embodiment includes a three-way channel 1c3 opened in the valve core 1c. The outlet 1a1 of the expansion valve assembly 1 is communicated with, and the other end can be communicated with the inner cavity 1a2 of the valve body 1a. Compared with the first embodiment, the setting of the orifice 1b2 is canceled.
Example Embodiment
[0055] Embodiment 3
[0056] The structure and principle of the third embodiment are basically similar to those of the second embodiment, such as Image 6 As shown, the difference from the second embodiment lies in the damping structure. The damping structure of the third embodiment includes a two-way channel 1c4 opened in the valve core 1c. One end can communicate with the inner cavity 1a2 of the valve body 1a. Compared with the second embodiment, the third embodiment cancels the transmission relationship of the refrigerant between the inside of the valve core 1c and the outlet 1a1, and directly flows through the gap between the two.
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