Two-position five-way valve

Abstract

The utility model discloses a two-position five-way valve which comprises a first oil inlet, a second oil inlet, an oil return port, a first working oil port, a second working oil port, a first station and a second station. In the first station, the first oil inlet is connected with the second working oil port, and the oil return port, the first working oil port and the second oil inlet are connected; according to the second station, a first oil inlet, a second oil inlet and a first working oil port are connected, an oil return port is connected with a second working oil port, the two-position five-way valve comprises a valve body, a main oil way penetrating through the valve body is arranged in the valve body, the main oil way is communicated with a first oil way, a second oil way, a third oil way, a fourth oil way and a fifth oil way, and the first oil way, the second oil way, the third oil way, the fourth oil way and the fifth oil way are communicated. The first oil duct is connected with the first working oil port, the second oil duct is connected with the second working oil port, the third oil duct is connected with the first oil inlet, the fourth oil duct is connected with the second oil inlet, and the fifth oil duct is connected with the oil return port.

Description

Technical Field

[0001] The utility model relates to a two-position five-way valve. Background Art

[0002] A corn harvester is a type of agricultural machinery specifically designed for harvesting mature corn. It can simultaneously complete multiple tasks, including ear removal, husking, and stalk return, significantly improving the efficiency and quality of corn harvesting. The development of corn harvesters has evolved through several stages, from initial manual ear removal to modern mechanized operations. Technological advances have significantly reduced farmers' labor intensity and increased the economic benefits of corn harvesting.

[0003] When the corn machine's grain auger rotates forward, the grains are lifted into the warehouse, and when it rotates reversely, the grains are unloaded into bags. The existing machine cannot directly reverse after rotating forward, and cannot adapt to current work needs. Utility Model Content

[0004] The purpose of the utility model is to solve the above deficiencies in the prior art and to provide a two-position five-way valve.

[0005] A two-position five-way valve comprises a first oil inlet, a second oil inlet, an oil return port, a first working oil port, and a second working oil port, and the two-position five-way valve comprises a first working position and a second working position;

[0006] First station: the first oil inlet is connected to the second working oil port, and the oil return port, the first working oil port, and the second oil inlet are connected;

[0007] Second workstation: the first oil inlet, the second oil inlet, and the first working oil port are connected, and the oil return port is connected to the second working oil port.

[0008] Preferably, the two-position five-way valve includes a valve body, wherein a main oil passage is provided inside the valve body and passes through the valve body, wherein the main oil passage is connected to a first oil passage, a second oil passage, a third oil passage, a fourth oil passage, and a fifth oil passage, respectively, wherein the first oil passage is connected to a first working oil port, the second oil passage is connected to a second working oil port, the third oil passage is connected to a first oil inlet, the fourth oil passage is connected to a second oil inlet, the fifth oil passage is connected to an oil return port, and the fourth oil passage is connected to the main oil passage via two branches;

[0009] A valve core is movably provided in the main oil channel, and the valve core is used to control the on-off between the various oil channels.

[0010] Preferably, one end of the valve core extends out of the valve body and a baffle is provided on its outer side wall, a spring is sleeved on the part of the valve core extending out of the valve body, one end of the spring rests on the outer wall of the valve body, and the other end of the spring rests on the baffle.

[0011] Preferably, a sealing ring is provided between the valve body and the valve core.

[0012] Beneficial effect: Compared with the prior art, the utility model realizes the forward and reverse conversion through a two-position five-way valve, controls the opening and closing of each oil channel through the valve core, and connects the fourth oil channel to the main oil channel through two branches to realize this function. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a working diagram of a two-position five-way valve in the first position;

[0014] Figure 2 yes Figure 1 Schematic diagram;

[0015] Figure 3 It is a working diagram of a two-position five-way valve in the second position;

[0016] Figure 4 yes Figure 3 Schematic diagram;

[0017] Figure 5 This is a schematic diagram of the principle of the motor not working;

[0018] Figure 6 This is a schematic diagram of the principle of motor forward rotation;

[0019] Figure 7 This is a schematic diagram of the principle of the motor's forward and reverse transformation;

[0020] Figure 8 This is a schematic diagram of the principle of the motor not working and reversing;

[0021] In the figure, 1. valve body, 2. main oil channel, 3. first oil channel, 4. second oil channel, 5. third oil channel, 6. fourth oil channel, 7. fifth oil channel, 8. valve core, 9. spring, 10. baffle, 11. first oil inlet, 12. second oil inlet, 13. oil return port, 14. first working oil port, 15. second working oil port, 16. two-position three-way reversing valve, 17. two-position five-way valve. DETAILED DESCRIPTION

[0022] In order to deepen the understanding of the present invention, the present invention will be further described in detail below with reference to embodiments and drawings. The embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.

[0023] like Figure 1-8 As shown, valve body 1, main oil channel 2, first oil channel 3, second oil channel 4, third oil channel 5, fourth oil channel 6, fifth oil channel 7, valve core 8, spring 9, baffle 10, first oil inlet 11, second oil inlet 12, oil return port 13, first working oil port 14, second working oil port 15, two-position three-way reversing valve 16, two-position five-way valve 17;

[0024] A two-position five-way valve, comprising a first oil inlet 11, a second oil inlet 12, an oil return port 13, a first working oil port 14, and a second working oil port 15, wherein the two-position five-way valve 17 comprises a first working position and a second working position;

[0025] First station: the first oil inlet 11 is connected to the second working oil port 15, and the oil return port 13, the first working oil port 14, and the second oil inlet 12 are connected;

[0026] Second workstation: the first oil inlet 11 , the second oil inlet 12 , and the first working oil port 14 are connected, and the oil return port 13 is connected to the second working oil port 15 .

[0027] In this embodiment, the two-position five-way valve 17 includes a valve body 1. A main oil passage 2 is provided inside the valve body 1 and passes through the valve body 1. The main oil passage 2 is connected to a first oil passage 3, a second oil passage 4, a third oil passage 5, a fourth oil passage 6, and a fifth oil passage 7, respectively. The first oil passage 3 is connected to a first working oil port 14, the second oil passage 4 is connected to a second working oil port 15, the third oil passage 5 is connected to a first oil inlet 11, the fourth oil passage 6 is connected to a second oil inlet 12, the fifth oil passage 7 is connected to an oil return port 13, and the fourth oil passage 6 is connected to the main oil passage 2 via two branches.

[0028] A valve core 8 is movably provided in the main oil channel 2, and the valve core 8 is used to control the flow between the various oil channels.

[0029] In this embodiment, one end of the valve core 8 extends out of the valve body 1 and a baffle 10 is provided on its outer wall. A spring 9 is sleeved on the part of the valve core 8 extending out of the valve body 1. One end of the spring 9 rests on the outer wall of the valve body 1, and the other end of the spring 9 rests on the baffle 10.

[0030] In this embodiment, a sealing ring is provided between the valve body 1 and the valve core 8 .

[0031] Instructions for use: Connect this two-position five-way valve 17 to the oil circuit system and use it in conjunction with a two-position three-way reversing valve 16. The two-position three-way reversing valve 16 includes an oil inlet, a first oil outlet, and a second oil outlet. The two-position three-way reversing valve 16 includes a first position and a second position; in the first position, the oil inlet is connected to the second oil outlet, and the first oil outlet is closed; in the second position, the oil inlet is connected to the first oil outlet, and the second oil outlet is closed;

[0032] The oil inlet of the two-position three-way reversing valve 16 is connected to other hydraulic systems, the second working oil port 15 of the two-position two-way reversing valve is connected to the first oil inlet 11 of the two-position five-way valve 17, the first working oil port 14 of the two-position three-way reversing valve 16 is connected to the second oil inlet 12 of the two-position five-way valve 17, the oil return port 13 of the two-position five-way valve 17 is connected to the oil return tank, and the first working oil port 14 and the second working oil port 15 of the two-position five-way valve 17 are respectively connected to one end of the motor;

[0033] When the two-position three-way reversing valve 16 is in the first position, the two-position five-way valve 17 switches to the first position. At this time, the motor does not work. The two-position five-way valve 17 switches to the second position and the motor directly reverses.

[0034] When the two-position three-way reversing valve 16 is in the second position, the two-position five-way valve 17 is switched to the first position, and the motor rotates forward. When the two-position five-way valve 17 is switched to the second position, the motor directly reverses.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A two-position five-way valve, characterized in that: It includes a first oil inlet, a second oil inlet, an oil return port, a first working oil port, a second working oil port, and the two-position five-way valve includes a first working position and a second working position; First station: the first oil inlet is connected to the second working oil port, and the oil return port, the first working oil port, and the second oil inlet are connected; Second workstation: the first oil inlet, the second oil inlet, and the first working oil port are connected, and the oil return port is connected to the second working oil port.

2. A two-position five-way valve according to claim 1, characterized in that: The two-position five-way valve includes a valve body, wherein a main oil passage is provided inside the valve body and passes through the valve body. The main oil passage is connected to a first oil passage, a second oil passage, a third oil passage, a fourth oil passage, and a fifth oil passage, respectively. The first oil passage is connected to a first working oil port, the second oil passage is connected to a second working oil port, the third oil passage is connected to a first oil inlet, the fourth oil passage is connected to a second oil inlet, the fifth oil passage is connected to an oil return port, and the fourth oil passage is connected to the main oil passage via two branches. A valve core is movably provided in the main oil channel, and the valve core is used to control the on-off between the various oil channels.

3. A two-position five-way valve according to claim 2, characterized in that: One end of the valve core extends out of the valve body and a baffle is provided on its outer wall. A spring is sleeved on the part of the valve core extending out of the valve body. One end of the spring abuts against the outer wall of the valve body and the other end of the spring abuts against the baffle.

4. A two-position five-way valve according to claim 2, characterized in that: A sealing ring is provided between the valve body and the valve core.

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