KR-20260066753-A - Electronic valve and method of assembling the same

KR20260066753AKR 20260066753 AKR20260066753 AKR 20260066753AKR-20260066753-A

Abstract

An electronic valve (10) is disclosed, which includes a valve body assembly (100). A valve cavity (140) and a main valve port (121) are installed in the valve body assembly (100). The electronic valve (10) further includes a first iron core (400), a second iron core (500), a valve core assembly (200), and a piston assembly (300) installed within the valve cavity (140). A pilot valve port (311) is installed at one end of the piston assembly (300). The valve core assembly (200) includes a sealing portion (210) and a valve stem portion (220). The valve core assembly (200) is sealed to move with the pilot valve port (311) through the sealing portion (210). One end of the valve stem portion (220) is inserted into the first cavity (410) and may stop within the first cavity (410). The other end of the valve stem portion (220) passes through the second cavity (510) and is connected to the seal portion (210). Additionally, the seal portion (210) may be stopped outside the second cavity (510). This is advantageous for improving the assembly precision of the electronic valve and improving the assembly efficiency of the electronic valve. A method for assembling the electronic valve is further disclosed.

Inventors

차이, 페이위
진, 쥐
진, 용
왕, 사오보

Assignees

제지앙 둔안 아트피셜 인바이런먼트 컴퍼니 리미티드

Dates

Publication Date: 20260512
Application Date: 20240926
Priority Date: 20230928

Claims (15)

In the case of electronic valves, The solenoid valve comprises a valve body assembly, wherein the valve body assembly is provided with a valve cavity and a main valve port that can communicate with the valve cavity, and the solenoid valve further comprises a first iron core, a second iron core, a valve core assembly, and a piston assembly installed within the valve cavity, wherein a first cavity is installed in the first iron core and a second cavity is installed in the second iron core, and the piston assembly is used to open or close the main valve port, and a pilot valve port is installed at one end of the piston assembly far from the main valve port. The above valve core assembly comprises a seal portion and a valve stem portion, wherein the valve core assembly is sealed to move with the pilot valve port through the seal portion, one end of the valve stem portion is inserted and installed to move in the first cavity and can stop within the first cavity, and the other end of the valve stem portion penetrates the second cavity and is connected to the seal portion, and the seal portion can stop outside the second cavity.
In paragraph 1, An electronic valve further comprising a coil, wherein both the first iron core and the second iron core can be movably installed within the valve cavity, and the height value of the first iron core protruding from the coil is always greater than or equal to 0.
In paragraph 1, The solenoid valve is characterized in that the valve core assembly further comprises a position limiting member, a position limiting projection is installed on the inner wall of the first cavity in correspondence with the position limiting member, the position limiting member is connected to the outer side of the valve stem member, the position limiting member is movably fitted with the inner wall of the first cavity, and can be stopped at one end of the position limiting projection far from the main valve port.
In paragraph 1, The above sealing portion includes a connecting head and a sealing head, wherein the connecting head is fixedly connected to the valve stem portion, the connecting head can be stopped at one end facing away from the first iron core of the second iron core, and the sealing head is mounted on the connecting head and is sealed to move with the pilot valve port, characterized in that it is an electronic valve.
In paragraph 1, An electronic valve characterized in that a sealing guide hole installed coaxially with itself is installed on the inner wall of the second core, the inner diameter of the sealing guide hole is larger than the inner diameter of the second cavity, a stop step is formed between the sealing guide hole and the second cavity, the sealing part is guide-fitted with the inner wall of the sealing guide hole, and the sealing part stops at the stop step.
In paragraph 1, The piston assembly comprises a plug, a sealing ring, and an extension, wherein the extension is fixedly installed at one end of the plug adjacent to the main valve port, and the sealing ring is installed to be fitted over the outer side of the extension and is sealed to move with the main valve port. An electronic valve characterized in that the vertical distance between the end face far from the pilot valve port of the extension and the pilot valve port is defined as p , the vertical distance between the main valve port and the pilot valve port is defined as q , and the vertical distance p between the end face far from the pilot valve port of the extension and the pilot valve port and the vertical distance q between the main valve port and the pilot valve port satisfy p > q .
In paragraph 1, An electronic valve further comprising a push rod and a first elastic member, wherein one end of the push rod is butt-supported against an inner wall far from the main valve port of the valve body assembly, the other end extends into the first cavity and is guide-fitted against the inner wall of the first cavity, the other end of the push rod is position-limited within the first cavity, the first elastic member is located within the first cavity, and both ends of the first elastic member are butt-supported against the push rod and the valve stem, respectively.
In paragraph 1, An electronic valve further comprising a push rod and a first elastic member, wherein the push rod comprises a rod body and an outer protrusion, the outer protrusion is fixedly connected to the outside of the rod body or is integrally formed and installed with the rod body, and one end of the first elastic member far from the valve core assembly is stopped at the outer protrusion.
In paragraph 1, The solenoid valve is characterized in that the sealing portion includes a connecting head and a sealing head, a locking hole is installed at one end of the connecting head facing the pilot valve port, and the sealing head is fixedly installed within the locking hole.
In paragraph 1, The apparatus further comprises a second elastic member, wherein the second iron core has a mounting hole facing the first iron core, at least a portion of the second elastic member is located within the mounting hole, the first iron core has a projection, one end of the second elastic member is supported by abutting against the second iron core, and the other end is supported by abutting against the projection. An electronic valve characterized in that, when the electronic valve is in a closed state, at least a portion of the projection is located within the mounting hole.
In Paragraph 10, The electronic valve is characterized in that the mounting hole is installed at one end of the second cavity adjacent to the first iron core, and the diameter of the mounting hole is larger than the diameter of the second cavity so as to form a first position-limiting step between the mounting hole and the second cavity, and one end of the second elastic member is supported by butt-fitting against the first position-limiting step.
In Paragraph 10, The above mounting hole includes a first hole section and a second hole section, the first hole section is in communication with the second cavity, the second hole section is an expansion hole, the second hole section is installed at one end adjacent to the first iron core of the mounting hole, the diameter of the second hole section is larger than the diameter of the first hole section so as to form a second positional limiting step between the first hole section and the second hole section, the projection is movably fitted with the second hole section, and when the power to the coil of the electronic valve is cut off, at least a part of the projection is located within the second hole section, characterized in that the electronic valve is an electronic valve.
In paragraph 1, The above valve assembly includes a valve sleeve, a main body, and a valve cover, and the valve sleeve is connected to the main body through the valve cover. The solenoid valve is characterized in that the valve sleeve comprises a main body section, a large diameter section, and a diameter change section connecting the main body section and the large diameter section, wherein the diameter of the large diameter section is larger than the diameter of the main body section, the valve sleeve is provided with an inclined section that matches the diameter change section, and the distance between the diameter change section and the inclined section is greater than or equal to 0.
In the assembly method of an electronic valve, Used for mounting an electronic valve according to any one of claims 1 to 13, and the assembly method, A step of including a second elastic member and installing the second elastic member between the first iron core and the second iron core; A step of sequentially inserting and installing a valve stem portion into the first cavity and the second cavity starting from one end far from the second iron core of the first cavity, and aligning the end of the valve stem portion installed in the first cavity with the first cavity so as to prevent the valve stem portion from being disengaged from the lower part of the first iron core; and A method for assembling an electronic valve, characterized by including the step of mounting a seal portion on one end of a valve stem portion penetrating a second cavity, and stopping the seal portion outside the second cavity so that the seal portion cannot be disengaged from the second core through the second cavity.
In Paragraph 14, The above valve assembly includes a valve sleeve, a main body, and a valve cover, and The above electronic valve further includes a push rod and a first elastic member, and The above piston assembly is mounted in the internal cavity of the main body, and Connect the above valve sleeve and the above valve cover, The first elastic member is placed in the first cavity, and One end of the push rod is inserted into the first cavity so that both ends of the first elastic member are supported by butting with the valve stem portion and the push rod, respectively, and one end of the push rod is positionally aligned with the first iron core so that the one end of the push rod cannot be disengaged from the upper part of the first iron core. The second elastic member, the first iron core, the second iron core, the sealing part, the valve stem part, the first elastic member, and the push rod are placed together within the valve sleeve so that the other end of the push rod comes into contact with the valve sleeve. A method for assembling an electronic valve, characterized by connecting the valve cover and the main body.

Description

Electronic valve and method of assembling the same The present application claims priority to the Chinese patent application for the invention "Solar valve and method of assembling the same" filed on September 28, 2023, application number 202311276497.5, which is incorporated herein in its entirety by reference. This application relates to the field of electronic valve technology, and more specifically to an electronic valve and a method for assembling the same. The solenoid valve of the related technology has a relatively large number of parts constituting the valve core assembly. When assembling the solenoid valve, since multiple parts must be installed one by one within the valve sleeve, the error in the assembly of the entire solenoid valve may increase. This affects the assembly precision of the solenoid valve and reduces the assembly efficiency of the solenoid valve. Based on this, there is a need to solve the problem of low assembly precision and low assembly efficiency of the solenoid valve by providing an electronic valve and a method for assembling the same. The solenoid valve provided in this application comprises a valve body assembly. The valve body assembly is provided with a valve cavity and a main valve port that can communicate with the valve cavity. The solenoid valve further comprises a first iron core, a second iron core, a valve core assembly, and a piston assembly installed within the valve cavity. A first cavity is installed in the first iron core. A second cavity is installed in the second iron core. The piston assembly is used to open or close the main valve port. A pilot valve port is installed at one end of the piston assembly that is far from the main valve port. The valve core assembly comprises a seal and a valve stem. The valve core assembly is sealed to move with the pilot valve port through the seal. One end of the valve stem is inserted and installed to move in the first cavity and may stop within the first cavity. The other end of the valve stem passes through the second cavity and is connected to the seal. Additionally, the seal may stop outside the second cavity. In one embodiment, the solenoid valve further includes a coil. Both the first iron core and the second iron core can be movably installed within the valve cavity. The height value of the first iron core protruding from the coil is always greater than or equal to 0. In one embodiment, the valve core assembly further includes a position limiting member. A position limiting projection is installed on the inner wall of the first cavity in correspondence with the position limiting member. The position limiting member is connected to the outer side of the valve stem portion. Additionally, the position limiting member is movably fitted with the inner wall of the first cavity and can be stopped at one end of the position limiting projection that is far from the main valve port. In one embodiment, the sealing portion includes a connecting head and a sealing head. The connecting head is fixedly connected to the valve stem portion. Additionally, the connecting head may be stopped at one end facing away from the first core of the second core. The sealing head is mounted on the connecting head and is seal-fitted to move with the pilot valve port. In one embodiment, a sealing guide hole is installed in the inner wall of the iron core, coaxial with itself. The inner diameter of the sealing guide hole is larger than the inner diameter of the second cavity. Additionally, a stop step is formed between the sealing guide hole and the second cavity. The sealing portion is guide-fitted with the inner wall of the sealing guide hole. Additionally, the sealing portion is stopped at the stop step. In one embodiment, the piston assembly includes a plug, a sealing ring, and an extension. The extension is fixedly installed at one end of the plug adjacent to the main valve port. The sealing ring is installed to be fitted over the outer side of the extension and is seal-fitted to move with the main valve port. The vertical distance between the end face of the extension far from the pilot valve port and the pilot valve port is defined as p . The vertical distance between the main valve port and the pilot valve port is defined as q . The vertical distance p between the end face of the extension far from the pilot valve port and the pilot valve port and the vertical distance q between the main valve port and the pilot valve port satisfy p > q . In one embodiment, the electronic valve further comprises a push rod and a first elastic member. One end of the push rod is butt-supported against an inner wall far from the main valve port of the valve body assembly. The other end extends into a first cavity and is guide-fitted against an inner wall of the first cavity. The other end of the push rod is position-limited within the first cavity. The first elastic member is located within the first cavity. Both ends of the first elastic member are butt-supp