Heat exchange device, and electrically operated valve thereof

Abstract

The invention discloses an electrically operated valve. The electrically operated valve comprises a sleeve (4) and a valve plug base (1); a nut (8) is arranged in the sleeve (4) and a spring guide rail (7) is arranged outside the nut (8); the spring guide rail (7) is provided with an upper stopping part (71) and a lower stopping part (72); the lower end part of the sleeve (4) is connected with the upper end part of the valve plug base (1) and the circumferential side wall of the upper end part of the sleeve (4) is provided with a protruded part (41); and at least one of the bottom of the protruded part (41) and the top of the corresponding valve plug base (1) is provided with a depressed part (41a), and correspondingly, the upper stopping part (71) or the lower stopping part (72) is arranged in the depressed part (41a). The structural design of the electrically operated valve ensures that the assembly processes between the spring guide rail (7) and the sleeve (4) are few, so that the assembly cost can be reduced further. Moreover, the invention also discloses a heat exchange device comprising the electrically operated valve.

Description

technical field [0001] The invention relates to the technical field of flow control components, in particular to an electric valve. In addition, the present invention also relates to a heat exchange device comprising the above electric valve. Background technique [0002] In the field of refrigeration technology, the electric valve is the refrigerant flow control part of the refrigeration equipment. Its working process is generally: the electric valve is opened or closed in the refrigeration equipment system such as air conditioners, so as to control the circulation and interruption of the refrigerant, and can also adjust the flow of the refrigerant. size. Of course, the scope of application of the electric valve is not limited to the above-mentioned refrigeration technology field, for example, it is also widely used in the hydraulic field. [0003] Please refer to figure 1 , figure 1 It is a structural schematic diagram of a typical electric valve in the prior art. [...

AI Technical Summary

Problems solved by technology

[0008] It can be seen from the above assembly process that a separate fixing process is required to fix the relative position between the sleeve 4' and the spring guide rail 7' in the axial direction, and when fixing the lower stopper 7'2 in the positioning hole, a separate fixing process is required. Connection methods such as welding or riveting, it can be seen that there are many assembly processes between the spring guide rail 7' and the sleeve 4', resulting in high assembly costs; The positioning reliability of the assembly is not high. After a period of use, the spring guide rail 7' is prone to loosening

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