Thermal expansion valve with unidirectional control function
A thermal expansion valve and one-way control technology, applied in the field of thermal expansion valves, can solve problems such as product reliability decline, expansion valve leakage, complex structure, etc., and achieve the effects of simple and reliable installation, convenient structure processing, and lift valve function
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[0028] Example 1:
[0029] See figure 2 with image 3 ,among them, figure 2 It is a structural diagram of the thermal expansion valve with one-way control function according to the first embodiment, image 3 Yes figure 2 Schematic diagram of the valve body structure of the thermal expansion valve described in.
[0030] Such as figure 2 with image 3 Shown. In this embodiment, the thermal expansion valve includes a valve body 1, on which an inlet channel 11 and an outlet channel 12 are provided, and an inner cavity 13 communicating with the inlet channel 11 and the outlet channel 12 is processed in the valve body 1. The temperature sensing component 2 is placed at one end of the valve body 1. The inner cavity 13 of the valve body 1 also includes a vertical through hole 17 communicating with the temperature sensing component 2, and the lower part of the hole 17 intersects the inner cavity 13 to form a first valve port 14.
[0031] The first valve core member 4 penetrates and is p...
Example Embodiment
[0045] Example 2:
[0046] Compared with the first embodiment, this embodiment has the same main body composition and connection relationship. The difference is that this solution is provided with a further positioning function for the inner end of the limit pin 55.
[0047] See also Image 6 with Figure 7 ,among them, Image 6 It is a schematic structural diagram of the thermal expansion valve with one-way control function according to the second embodiment; Figure 7 Yes Image 6 The valve body structure diagram of the thermal expansion valve shown in. In order to clearly show the difference between the present solution and the first embodiment, components and structures with the same function are marked with the same reference numerals.
[0048] Such as Image 6 with Figure 7 As shown, opposite to the guide hole 191 axially, the other side wall of the receiving portion 16 is provided with a positioning blind hole 192, and the inner end of the limiting pin 55 is placed in the...
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