EP-4737772-A1 - FLUID CONTROL VALVE CAPABLE OF BEING USED FOR IRRIGATION

EP4737772A1EP 4737772 A1EP4737772 A1EP 4737772A1EP-4737772-A1

Abstract

Disclosed is a fluid control valve usable for irrigation. The fluid control valve includes: a valve body having at least one input port, at least one output port and a valve seat body which is provided therein with a straight flow channel, wherein the input port and the output port are respectively arranged at two ends of the straight flow channel and communicate with each other by means of the straight flow channel; and a valve core assembly located in the straight flow channel of the valve seat body and configured to control the straight flow channel to connect the input port and the output port or close the input port and the output port. The fluid control valve usable for irrigation can effectively reduce water resistance by means of the straight flow channel.

Inventors

WU, XIAORONG
YUAN, Hailin
WU, Xianshui
WU, Zhaoyu
Wang, Zhenkun
LI, Shuangquan
NI, Xielang

Assignees

Wenzhou Runxin Manufacturing Machine Co., Ltd.

Dates

Publication Date: 20260506
Application Date: 20250819

Claims (20)

A fluid control valve usable for irrigation, comprising: a valve body (1) having at least one input port (2), at least one output port (3) and a valve seat body (4) which is provided therein with a straight flow channel, wherein the input port (2) and the output port (3) are respectively arranged at two ends of the straight flow channel and communicate with each other by means of the straight flow channel; and a valve core assembly (5) arranged in the valve seat body (4) and located in the straight flow channel to control the straight flow channel to connect the input port (2) and the output port (3) or close the input port (2) and the output port (3).
The fluid control valve usable for irrigation according to claim 1, wherein the valve core assembly (5) comprises: a fixed valve plate (51) fixedly mounted in the valve seat body (4), located in the straight flow channel, and at least provided with a through hole; and a movable valve plate (52) rotatably arranged on the fixed valve plate (51) and at least provided with a flow guide hole, the movable valve plate (52) rotating in a manner of fitting closely against the fixed valve plate (51) to control the straight flow channel to connect the input port and the output port when the flow guide hole aligns with the through hole in the fixed valve plate, or to disconnect the input port from the output port when the flow guide hole does not align with the through hole in the fixed valve plate.
The fluid control valve usable for irrigation according to claim 2, wherein the movable valve plate (52) is located at an end, facing the input port (2), of the fixed valve plate (51).
The fluid control valve usable for irrigation according to claim 2 or 3, wherein the fixed valve plate (51) is further provided with a blind hole, and closing of the straight flow channel is controlled by alignment of the blind hole with the flow guide hole.
The fluid control valve usable for irrigation according to claim 4, wherein the blind hole is formed by a blind hole structure directly formed on the fixed valve plate (51), or is a combination of a through hole formed in the fixed valve plate (51) and a closed cavity (6) formed in the valve seat body (4).
The fluid control valve usable for irrigation according to claim 2 or 3, wherein the output port (3) is arranged at an upper end of the valve seat body (4), the input port (2) is arranged at a lower end of the valve seat body (4), and a lower end of a control valve stem is inserted into the valve seat body (4) from top to bottom, and extends through the fixed valve plate (51) to be connected to the movable valve plate (52).
The fluid control valve usable for irrigation according to claim 2 or 3, wherein the input port (2) comprises a first input port (21), the output port (3) comprises a first output port (31), the fixed valve plate (51) is provided with a first through hole (511) and a second blind hole (1512), the first through hole (511) communicates with the first output port (31), the movable valve plate (52) is provided with a first flow guide hole (521) which communicates with the first input port (21), and the fixed valve plate (51) and the movable valve plate (52) have the following cooperation relationship: the first flow guide hole (521) aligns with the first through hole (511) and then communicates with the first through hole (511); or, the first flow guide hole (521) aligns with the second blind hole (1512) and then is closed by the second blind hole (1512); or, the first flow guide hole (521) partially aligns with the first through hole (511) and then communicates with the first through hole (511).
The fluid control valve usable for irrigation according to claim 7, wherein the second blind hole (1512) is formed by a blind hole structure directly formed on the fixed valve plate (51), or is a combination of a through hole formed in the fixed valve plate (51) and a closed cavity (6) formed in the valve seat body (4).
The fluid control valve usable for irrigation according to claim 2 or 3, wherein the input port (2) comprises a first input port (21), the output ports (3) comprise a first output port (31) and a second output port (32), the fixed valve plate (51) is provided with a first through hole (511), a second through hole (512) and a third blind hole (1513), the first through hole (511) and the second through hole (512) respectively communicate with the first output port (31) and the second output port (32), the movable valve plate (52) is provided with a first flow guide hole (521) which communicates with the first input port (21), and the fixed valve plate (51) and the movable valve plate (52) have the following cooperation relationship: the first flow guide hole (521) aligns with the first through hole (511) and then communicates with the first through hole (511); or, the first flow guide hole (521) partially aligns with the first through hole (511) and the third blind hole (1513) and then communicates with the first through hole (511); or, the first flow guide hole (521) aligns with the second through hole (512) and then communicates with the second through hole (521); or, the first flow guide hole (521) partially aligns with the second through hole (512) and the third blind hole (1513) and then communicates with the second through hole (512); or, the first flow guide hole (521) aligns with the third blind hole (1513) and then is closed by the third blind hole (1513).
The fluid control valve usable for irrigation according to claim 9, wherein the third blind hole (1513) is formed by a blind hole structure directly formed on the fixed valve plate (51), or is a combination of a through hole formed in the fixed valve plate (51) and a closed cavity (6) formed in the valve seat body (4).
The fluid control valve usable for irrigation according to claim 2 or 3, wherein the input port (2) comprises a first input port (21), the output ports (3) comprise a first output port (31) and a second output port (32), the fixed valve plate (51) is provided with a first through hole (511), a second through hole (511) and a third blind hole (1513), the first through hole (511) and the second through hole (512) respectively communicate with the first output port (31) and the second output port (32), the movable valve plate (52) is provided with a first flow guide hole (521) and a second flow guide hole (522) which communicate with the first input port (21), and the fixed valve plate (51) and the movable valve plate (52) have the following cooperation relationship: the first flow guide hole (521) aligns with the first through hole (511) and then communicates with the first through hole (511), and the second flow guide hole (522) aligns with the second through hole (512) and then communicates with the second through hole (512); or, the first flow guide hole (521) aligns with the second through hole (512) and then communicates with the second through hole (512), and the second flow guide hole (522) aligns with the third blind hole (1513) and then is closed by the third blind hole (1513); or, the first flow guide hole (521) aligns with the third blind hole (1513) and then is closed by the third blind hole (1513), and the second flow guide hole (522) aligns with the first through hole (511) and then communicates with the first through hole (511).
The fluid control valve usable for irrigation according to claim 11, wherein the third blind hole (1513) is formed by a blind hole structure directly formed on the fixed valve plate (51), or is a combination of a through hole formed in the fixed valve plate (51) and a closed cavity (6) formed in the valve seat body (4).
The fluid control valve usable for irrigation according to claim 2 or 3, wherein the input port (2) comprises a first input port (21), the output ports (3) comprise a first output port (31), a second output port (32) and a third output port (33), the fixed valve plate (51) is provided with a first through hole (511), a second through hole (512) and a third through hole (513) which respectively communicate with the first output port (31), the second output port (32) and the third output port (33), the movable valve plate (52) is provided with a first flow guide hole (521) which communicates with the first input port (21), and the fixed valve plate (51) and the movable valve plate (52) have the following cooperation relationship: the first flow guide hole (521) aligns with the first through hole (511) and then communicates with the first through hole (511); or, the first flow guide hole (521) aligns with the second through hole (512) and then communicates with the second through hole (512); or, the first flow guide hole (521) aligns with the third through hole (513) and then communicates with the third through hole (513).
The fluid control valve usable for irrigation according to claim 13, wherein the input port (2) comprises a first input port (21), the output port (3) comprises a first output port (31), the fixed valve plate (51) is provided with a first through hole (511), a second through hole (512), a third blind hole (1513) and a fourth blind hole (1514), the first through hole (511) and the second through hole (512) communicate with the first output port (31), the movable valve plate (52) is provided with a first flow guide hole (521) and a second flow guide hole (522) which communicate with the first input port (21), and the fixed valve plate (51) and the movable valve plate (52) have the following cooperation relationship: the first flow guide hole (521) aligns with the first through hole (511) and then communicate with the first through hole (511), and the second flow guide hole (522) aligns with the second through hole (512) and then communicates with the second through hole (512); or, the first flow guide hole (521) aligns with the third blind hole (1513) and then is closed by the third blind hole (1513), and the second flow guide hole (522) aligns with the fourth blind hole (1514) and then is closed by the fourth blind hole (1514); or, the first flow guide hole (521) partially aligns with the first through hole (511) and the third blind hole (1513) and then communicates with the first through hole (511), and the second flow guide hole (522) partially aligns with the second through hole (512) and the fourth blind hole (1514) and then communicates with the second through hole (512).
The fluid control valve usable for irrigation according to claim 2 or 3, wherein the input port (2) comprises a first input port (21), the output ports (3) comprise a first output port (31) and a second output port (32), the fixed valve plate (51) is provided with a first through hole (511), a second through hole (512), a third blind hole (1513) and a fourth blind hole (1514), the first through hole (511) and the second through hole (512) respectively communicate with the first output port (31) and the second output port (32), the movable valve plate (51) is provided with a first flow guide hole (521) which communicates with the first input port (21), and the fixed valve plate (51) and the movable valve plate have (51) the following cooperation relationship: the first flow guide hole (521) aligns with the fourth blind hole (1514) and then is closed by the fourth blind hole (1514); or, the first flow guide hole (521) partially aligns with the first through hole (511) and the fourth blind hole (1514) and then communicates with the first through hole (511); or, the first flow guide hole (521) aligns with the first through hole (511) and then communicates with the first through hole (511); or, the first flow guide hole (521) aligns with the third blind hole (1513) and then is closed by the third blind hole (1513); or, the first flow guide hole (521) partially aligns with the second through hole (512) and the third blind hole (1513) and then communicates with the second through hole (512); or, the first flow guide hole (521) aligns with the second through hole (512) and then communicates with the second through hole (512).
The fluid control valve usable for irrigation according to claim 15, wherein the third blind hole (1513) and the fourth blind hole (1514) are each formed by a blind hole structure directly formed on the fixed valve plate (51), or are each a combination of a through hole formed in the fixed valve plate (51) and a closed cavity (6) formed in the valve seat body (4).
The fluid control valve usable for irrigation according to claim 2 or 3, wherein the input port (2) comprises a first input port (21), the output ports (3) comprise a first output port (31) and a second output port (32), the fixed valve plate (51) is provided with a first through hole (511), a second through hole (512), a third blind hole (1513) and a fourth blind hole (1514), the first through hole (511) and the second through hole (512) respectively communicate with the first output port (31) and the second output port (32), the movable valve plate (51) is provided with a first flow guide hole (521) and a second flow guide hole (522) which communicate with the first input port (21), and the fixed valve plate (51) and the movable valve plate (51) have the following cooperation relationship: the first flow guide hole (521) aligns with the fourth blind hole (1514) and then is closed by the fourth blind hole (1514), and the second flow guide (522) hole aligns with the third blind hole (1513) and then is closed by the third blind hole (1513); or, the first flow guide hole (521) partially aligns with the first through hole (511) and the fourth blind hole (1514) and then communicates with the first through hole (511), and the second flow guide hole (521) partially aligns with the third blind hole (1513) and the second through hole (512) and then communicates with the second through hole (521); or, the first flow guide hole (521) aligns with the first through hole (511) and then communicates with the first through hole (511), and the second flow guide hole (522) aligns with the second through hole (512) and then communicates with the second through hole (512).
The fluid control valve usable for irrigation according to claim 17, wherein the third blind hole (1513) and the fourth blind hole (1514) are each formed by a blind hole structure directly formed on the fixed valve plate (51), or are each a combination of a through hole formed in the fixed valve plate (51) and a closed cavity (6) formed in the valve seat body (4).
The fluid control valve usable for irrigation according to claim 2 or 3, wherein the input port (2) comprises a first input port (21), the output ports (3) comprise a first output port (31) and a second output port (32), the fixed valve plate (51) is provided with a first through hole (511), a second through hole (512), a third blind hole (1513), a fourth blind hole (1514) and a fifth blind hole (1515), the first through hole (511) and the second through hole (512) respectively communicate with the first output port (31) and the second output port (32), the movable valve plate (51) is provided with a first flow guide hole (521) which communicates with the first input port (21), and the fixed valve plate (51) and the movable valve plate (51) have the following cooperation relationship: the first flow guide hole (521) partially aligns with the first through hole (511) and the fifth blind hole (1515) and then communicates with the first through hole (511); or, the first flow guide hole (521) aligns with the first through hole (511) and then communicates with the first through hole (511); or, the first flow guide hole (521) aligns with the fifth blind hole (1515) and then is closed by the fifth blind hole (1515); or, the first flow guide hole (521) partially aligns with the second through hole (512) and the fifth blind hole (1515) and then communicates with the second through hole (512); or, the first flow guide hole (521) aligns with the second through hole (512) and then communicates with the second through hole (512).
The fluid control valve usable for irrigation according to claim 19, wherein the third blind hole (1513), the fourth blind hole (1514) and the fifth blind hole (1515) are each formed by a blind hole structure directly formed on the fixed valve plate (51); alternatively, the third blind hole (1513) and the fourth blind hole (1514) are each formed by a blind hole structure directly formed on the fixed valve plate (51), and the fifth blind hole (1515) is a combination of a through hole formed in the fixed valve plate (51) and a closed cavity (6) formed in the valve seat body (4).

Description

TECHNICAL FIELD The present disclosure relates to a valve and, in more particular, to a fluid control valve usable for irrigation. BACKGROUND In the technical field of agricultural irrigation, a single valve is usually used to control opening and closing of one flow channel, which requires a high-cost pipeline system accompanied by the defect of inconvenient operation. For irrigation over a large area of farmland, in some cases, two or four branch pipes are led out from an irrigation output stub, and each branch pipe is provided with a valve for control. In some cases, a three-way or five-way valve is used to control each branch pipe. During irrigation, water intake pipes are generally located underground, while the water spray nozzles are located above ground. For this reason, most of the existing multi-way valves such as three-way valves, four-way valves, and five-way valves have a structure of a single input port and multiple output ports. A valve core assembly is arranged between the single input port and multiple output ports, and paths are switched by connecting the single input port to one of the multiple output ports. The existing valve core assembly design mainly uses a valve core assembly to switch a water channel by changing the direction of a water channel. When water passes through the channel of the valve core assembly, the change in the water channel direction causes the problem of large water resistance. SUMMARY In view of the shortcomings in the prior art, an objective of the present disclosure is to provide a fluid control valve usable for irrigation, which causes a small water resistance. To achieve the above objective, the present disclosure provides the following technical solutions: A fluid control valve usable for irrigation includes: a valve body having at least one input port, at least one output port and a valve seat body which is provided therein with a straight flow channel, where the input port and the output port are respectively arranged at two ends of the straight flow channel and communicate with each other by means of the straight flow channel; anda valve core assembly arranged in the valve seat body and located in the straight flow channel to control the straight flow channel to connect the input port and the output port or close the input port and the output port. As a further improvement of the present disclosure, the valve core assembly includes: a fixed valve plate fixedly mounted in the valve seat body, located in the straight flow channel, and at least provided with a through hole; anda movable valve plate rotatably arranged on the fixed valve plate and at least provided with a flow guide hole, the movable valve plate rotating in a manner of fitting closely against the fixed valve plate to control the straight flow channel to connect the input port and the output port when the flow guide hole aligns with the through hole in the fixed valve plate, or to disconnect the input port from the output port when the flow guide hole does not the through hole in the fixed valve plate. As a further improvement of the present disclosure, the movable valve plate is located at an end, facing the input port, of the fixed valve plate. As a further improvement of the present disclosure, the fixed valve plate is further provided with a blind hole, and closing of the straight flow channel is controlled by alignment of the blind hole with the flow guide hole. As a further improvement of the present disclosure, the blind hole is formed by a blind hole structure directly formed on the fixed valve plate, or is a combination of a through hole formed in the fixed valve plate and a closed cavity formed in the valve seat body. As a further improvement of the present disclosure, the output port is arranged at an upper end of the valve seat body, the input port is arranged at a lower end of the valve seat body, and a lower end of a control valve stem penetrates into the valve seat body from top to bottom, and extends through the fixed valve plate to be connected to the movable valve plate. As a further improvement of the present disclosure, the input port includes a first input port, the output port includes a first output port, the fixed valve plate is provided with a first through hole and a second blind hole, the first through hole communicates with the first output port, the movable valve plate is provided with a first flow guide hole which communicates with the first input port, and the fixed valve plate and the movable valve plate have the following cooperation relationship: the first flow guide hole aligns with the first through hole and then communicates with the first through hole; or, the first flow guide hole aligns with the second blind hole and then is closed by the second blind hole; or, the first flow guide hole partially aligns with the first through hole and then communicates with the first through hole. As a further improvement of the present disclosure, the second blind hole is