CN210978578U - Piston type electric valve with bidirectional flow regulation - Google Patents
Piston type electric valve with bidirectional flow regulation Download PDFInfo
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- CN210978578U CN210978578U CN201921756464.XU CN201921756464U CN210978578U CN 210978578 U CN210978578 U CN 210978578U CN 201921756464 U CN201921756464 U CN 201921756464U CN 210978578 U CN210978578 U CN 210978578U
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Abstract
The utility model discloses a piston type electric valve with bidirectional flow regulation, which comprises an electric valve body and a valve cover, wherein the valve body is provided with a motor, a first flow passage and a second flow passage, the motor drives a piston to move up and down through a screw rod, and the piston has the valve core function of flow regulation and regulates the flow of media flowing through the first flow passage and the second flow passage in a bidirectional way; the outer diameter of the piston is matched with a valve port positioned in the valve body, a flow hole is arranged on the piston wall of the piston, and the up-down position relation between the flow hole and the valve port controls the medium flow. The utility model discloses a piston outer wall and flow hole cooperation are located the inside valve port of valve body, realize having flow control's case function, reach two-way flow control's technical purpose.
Description
Technical Field
The utility model relates to a piston motorised valve, specific two-way flow control's piston motorised valve that says so.
Background
The electric valve is a control device commonly used in the field of flow passages of gas, liquid and the like, the existing piston type electric valve generally controls the opening and closing of a valve body through a piston, the flow control of the piston type electric valve is unidirectional control and cannot be controlled in two directions, the problem of how to solve the problem of bidirectional flow passage control of the piston type electric valve is always the object of research of a person skilled in the art, the existing piston valve controls the up-and-down movement of the piston to limit the rotation movement of the piston to realize the guiding accuracy of the piston movement, and the problem of how to realize the up-and-down movement of the piston and have high coaxial rotation guiding performance is also the technical problem required to be solved by the person skilled in the.
Disclosure of Invention
The utility model provides a simple structure, piston coaxial direction is accurate, the accurate two-way flow control's of flow control piston motorised valve.
A piston type electric valve with bidirectional flow regulation comprises an electric valve body and a valve cover, wherein a motor, a first flow port and a second flow port are arranged on the valve body, the motor drives a piston to move up and down through a screw rod and simultaneously rotate, the piston has the function of a valve core for flow regulation, and the piston regulates the flow of media flowing through the first flow port and the second flow port in a bidirectional mode; the outer diameter of the piston is matched with a valve port positioned in the valve body, a flow hole is arranged on the piston wall of the piston, and the up-down position relation between the flow hole and the valve port controls the medium flow. The piston type electric valve realizes the valve core function with flow regulation by utilizing the flow hole on the piston to be matched with the valve port positioned in the valve body, thereby achieving the technical purpose of bidirectional flow regulation.
The piston is divided into a main body part and a flow control part, and the main body part and the flow control part are of an integrated structure or of a closed connection structure.
The top of the main body part is connected with the screw rod through a screw hole, the periphery of the main body part is of a circular structure and is matched with an extension section on the connecting valve cover, and the inner diameter of the extension section is of a circular ring structure.
The sealing connection structure comprises a convex part positioned on the outer side of the lower edge of the main body part, a sealing ring is embedded in the inner side of the convex part, the inner side of the sealing ring is hermetically connected with the outer edge of the top of the flow control part, and the inner edge of the top of the flow control part is matched with an outward flanging on the inner side of the lower edge of the main body part; the bottom of the outer side of the sealing ring is matched with the valve port.
The flow control part is of a circular ring structure, an annular step groove is formed in the top of the circular ring, the outer diameter of the circular ring body is matched with the valve port, and the circular ring body is provided with spaced flow holes. The flow holes are one or more of square, oval, round and the like. The shape of the flow hole realizes different linear adjusting functions according to different medium flow adjustment, and the application field of the valve body is enriched.
The flow control part is of a circular ring structure, an annular step groove is formed in the top of the circular ring, the outer diameter of the circular ring body is matched with the valve port, a circular arc-shaped flow adjusting groove with an upward opening is formed in the bottom of the circular ring body, and the adjusting groove structure has circular arc-shaped flow linear adjusting capacity relative to the flow hole for flow adjustment.
The valve port is surrounded by a first valve wall and a second valve wall, wherein the first valve wall is located on the lower side face of the valve body and extends upwards, the second valve wall extends downwards on the upper side face of the valve body, the first valve wall and the second valve wall are integrally cast and formed with the valve body, the first flow channel and the second flow channel are separated in the valve body through the structure, and finally the flow regulation performance of the outer wall of the piston matched with the valve port is achieved.
The utility model discloses a piston outer wall and flow hole cooperation are located the inside valve port of valve body, realize having flow control's case function, reach two-way flow control's technical purpose.
Drawings
Fig. 1 is a schematic structural view of a two-way flow-regulating piston-type electric valve of the present invention;
FIG. 2 is a schematic structural view of a flow control portion of the present invention;
FIG. 3 is a schematic structural view of another flow control part of the present invention;
FIG. 4 is a schematic structural view of another flow control part of the present invention;
fig. 5 is an enlarged structural diagram of a in fig. 1.
Detailed Description
Referring to fig. 1-5, a bidirectional flow-regulating piston-type electric valve includes an electric valve body 14, a valve cover 2, a motor 1 mounted on the valve body 14, and a first flow port 5 and a second flow port 12, the motor 1 drives a piston 15 to move up and down through a screw rod 16, and at the same time, the piston 15 has a valve core function of flow regulation, and the piston regulates flow bidirectionally for media flowing through the first flow port 5 and the second flow port 12.
The specific structure is that the outer diameter of a piston 15 is matched with a valve port 10 positioned in the valve body, a flow hole is arranged on the piston wall of the piston, and the up-down position relation between the flow hole and the valve port 10 controls the medium flow.
The piston 15 is divided into a main body portion and a flow control portion 9, and the main body portion and the flow control portion 9 are of an integral structure or of a hermetically connected structure. The airtight connection structure comprises a bulge part 4 located on the outer side of the lower edge of the main body part, a sealing ring 8 is embedded in the inner side of the bulge part 4, the inner side of the sealing ring 8 is hermetically connected with the outer edge of the top of a flow control part 9, and the inner edge of the top of the flow control part is matched with an outward flange 13 on the inner side of the lower edge of the main body part. The bottom of the outer side of the sealing ring 8 is matched with the valve port, in particular to the end surface of the valve port. The valve port 10 is surrounded by a first valve wall 11 extending upward on the lower side of the valve body and a second valve wall 6 extending downward on the upper side of the valve body, and the first valve wall and the second valve wall are integrally cast with the valve body.
As a preferable driving flow adjusting structure, the top of the main body part is connected with a screw rod 16 through a screw hole, the periphery of the main body part is of a circular structure and is matched with an extension section 3 on the valve cover, and the inner diameter of the extension section 3 is of a circular structure.
The utility model discloses a realize above-mentioned function and optimized following three kinds of flow control partial structures, this of course is the test example only, the utility model discloses a scope of protection is not limited to following three kinds of structures:
a flow control part 9 is of a ring structure, an annular step groove is formed in the top of a ring, the outer diameter of a ring body of the ring is matched with a valve port, and flow holes 7 are arranged on the ring body at intervals. The flow orifice 7 is of a square configuration.
The other flow control part 18 is of a ring structure, an annular step groove is formed in the top of the ring, the outer diameter of the ring body is matched with the valve port, and spaced flow holes are formed in the ring body. The flow orifice is a partially elliptical structure.
The other flow control part 19 is of a circular ring structure, the top of the circular ring is provided with an annular step groove, the outer diameter of the circular ring body is matched with the valve port, and the bottom of the circular ring body is provided with a circular arc-shaped flow regulation groove 20 with an upward opening.
Claims (8)
1. The utility model provides a two-way flow control's piston motorised valve, includes motorised valve body, valve gap, installs the motor on the valve body to and first flow path mouth and second flow path mouth, its characterized in that: the motor drives the piston to move up and down through the screw rod and rotate at the same time, the piston has the function of a valve core for flow regulation, and the piston regulates the flow of media flowing through the first flow passage and the second flow passage in two directions; the outer diameter of the piston is matched with a valve port positioned in the valve body, a flow hole is arranged on the piston wall of the piston, and the up-down position relation between the flow hole and the valve port controls the medium flow.
2. The bi-directional flow regulated piston-type electrically operated valve of claim 1, wherein: the piston is divided into a main body part and a flow control part, and the main body part and the flow control part are of an integrated structure or of a closed connection structure.
3. The bi-directional flow regulated piston-type electrically operated valve of claim 2, wherein: the top of the main body part is connected with the screw rod through a screw hole, the periphery of the main body part is of a circular structure and is matched with an extension section on the connecting valve cover, and the inner diameter of the extension section is of a circular ring structure.
4. The bi-directional flow regulated piston-type electrically operated valve of claim 2, wherein: the sealing connection structure comprises a convex part positioned on the outer side of the lower edge of the main body part, a sealing ring is embedded in the inner side of the convex part, the inner side of the sealing ring is hermetically connected with the outer edge of the top of the flow control part, and the inner edge of the top of the flow control part is matched with an outward flanging on the inner side of the lower edge of the main body part; the bottom of the outer side of the sealing ring is matched with the valve port.
5. The bi-directional flow regulated piston-type electrically operated valve of claim 2, wherein: the flow control part is of a circular ring structure, an annular step groove is formed in the top of the circular ring, the outer diameter of the circular ring body is matched with the valve port, and the circular ring body is provided with spaced flow holes.
6. The bi-directional flow regulated piston-type electrically operated valve of claim 5, wherein: the flow holes are one or more of square, oval and round.
7. The bi-directional flow regulated piston-type electrically operated valve of claim 2, wherein: the flow control part is of a circular ring structure, an annular step groove is formed in the top of the circular ring, the outer diameter of the circular ring body is matched with the valve port, and a circular arc-shaped flow adjusting groove with an upward opening is formed in the bottom of the circular ring body.
8. The bi-directional flow regulated piston-type electrically operated valve of claim 1, wherein: the valve port is surrounded by the first valve wall that is located the valve body downside and extends upwards and the second valve wall that the valve body upside down extended, and first valve wall and second valve wall and valve body integrated into one piece cast forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921756464.XU CN210978578U (en) | 2019-10-19 | 2019-10-19 | Piston type electric valve with bidirectional flow regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921756464.XU CN210978578U (en) | 2019-10-19 | 2019-10-19 | Piston type electric valve with bidirectional flow regulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210978578U true CN210978578U (en) | 2020-07-10 |
Family
ID=71418193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921756464.XU Active CN210978578U (en) | 2019-10-19 | 2019-10-19 | Piston type electric valve with bidirectional flow regulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210978578U (en) |
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2019
- 2019-10-19 CN CN201921756464.XU patent/CN210978578U/en active Active
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