A six-way directional valve (100), an outdoor unit (1000) having the same and an air conditioner are provided. The six-way directional valve (100) includes: a valve body (1), defining a valve cavity (5) therein, the valve cavity (5) having a first side wall (11) and a second side wall (12) disposed
A six-way directional valve (100), an outdoor unit (1000) having the same and an air conditioner are provided. The six-way directional valve (100) includes: a valve body (1), defining a valve cavity (5) therein, the valve cavity (5) having a first side wall (11) and a second side wall (12) disposed oppositely to each other, the valve body (1) being provided with a first connecting pipe (A) to a sixth connecting pipe (F); a valve spool (2), movably disposed in the valve cavity (5), a first chamber (21) being defined between the valve spool (2) and the first side wall (11), a second chamber (22) being defined between the valve spool (2) and the second side wall (12), and a third chamber (23) being defined between the valve spool (2), the first side wall (11) and the second side wall (12); and a pilot valve assembly (4).
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1. A six-way directional valve comprising: a valve body, defining a valve cavity therein, the valve cavity having a first side wall and a second side wall disposed oppositely to each other, and the valve body being provided with a first connecting pipe, a second connecting pipe, a third connecting p
1. A six-way directional valve comprising: a valve body, defining a valve cavity therein, the valve cavity having a first side wall and a second side wall disposed oppositely to each other, and the valve body being provided with a first connecting pipe, a second connecting pipe, a third connecting pipe, a fourth connecting pipe, a fifth connecting pipe and a sixth connecting pipe;a valve spool, movably disposed in the valve cavity, wherein two valve chambers being defined between two moving ends of the valve spool and an inner circumferential wall of the valve cavity, so that the valve spool is driven to move by a pressure difference between the two valve chambers, a first chamber is defined between the valve spool and a first side wall, a second chamber is defined between the valve spool and a second side wall, a third chamber is defined between the valve spool, the first side wall and the second side wall, the first connecting pipe is normally communicated with the first chamber, the second connecting pipe is normally communicated with the second chamber, the valve spool moves so that one of the third connecting pipe and the fourth connecting pipe is communicated with the first chamber and the other one is communicated with the third chamber, and one of the fifth connecting pipe and the sixth connecting pipe is communicated with the second chamber and the other one is communicated with the third chamber; anda pilot valve assembly, communicated with the two valve chambers, so as to switch pressures in the two valve chambers. 2. The six-way directional valve according to claim 1, wherein the first connecting pipe, the third connecting pipe and the fourth connecting pipe are disposed to the first side wall, and the second connecting pipe, the fifth connecting pipe and the sixth connecting pipe are disposed to the second side wall. 3. The six-way directional valve according to claim 1, wherein the valve spool comprises: two barrier blocks spaced apart from each other, the two valve chambers being defined between the two barrier blocks and the inner circumferential wall of the valve cavity respectively; anda sliding block, disposed between the two barrier blocks and connected to the two barrier blocks through a connecting rod, the first chamber being defined between the sliding block and the first side wall, the second chamber being defined between the sliding block and the second side wall, and the third chamber being defined between the sliding block, two connecting rods, the two barrier blocks and the inner circumferential wall of the valve cavity. 4. The six-way directional valve according to claim 3, wherein the two barrier blocks, the sliding block and the two connecting rods are configured as an integrally formed member. 5. The six-way directional valve according to claim 1, wherein the valve body has a circular cross section. 6. The six-way directional valve according to claim 2, wherein the valve spool comprises: two barrier blocks spaced apart from each other, the two valve chambers being defined between the two barrier blocks and the inner circumferential wall of the valve cavity respectively; anda sliding block, disposed between the two barrier blocks and connected to the two barrier blocks through two connecting rods, the first chamber being defined between the sliding block and the first side wall, the second chamber being defined between the sliding block and the second side wall, and the third chamber being defined between the sliding block, the two connecting rods, the two barrier blocks and the inner circumferential wall of the valve cavity. 7. The six-way directional valve according to claim 6, wherein the two barrier blocks, the sliding block and the two connecting rods are configured as an integrally formed member. 8. The six-way directional valve according to claim 2, wherein the valve body has a circular cross section. 9. The six-way directional valve according to claim 3, wherein the valve body has a circular cross section. 10. The six-way directional valve according to claim 4, wherein the valve body has a circular cross section. 11. The six-way directional valve according to claim 6, wherein the valve body has a circular cross section. 12. The six-way directional valve according to claim 7, wherein the valve body has a circular cross section. 13. An outdoor unit for an air conditioner, having an outdoor unit output port and an outdoor unit input port, wherein the outdoor unit comprises: a compressor, having an air exhaust port and an air return port;a six-way directional valve comprising:a valve body, defining a valve cavity therein, the valve cavity having a first side wall and a second side wall disposed oppositely to each other, and the valve body being provided with a first connecting pipe, a second connecting pipe, a third connecting pipe, a fourth connecting pipe, a fifth connecting pipe and a sixth connecting pipe,a valve spool, movably disposed in the valve cavity, wherein two valve chambers being defined between two moving ends of the valve spool and an inner circumferential wall of the valve cavity, so that the valve spool is driven to move by a pressure difference between the two valve chambers, a first chamber is defined between the valve spool and a first side wall, a second chamber is defined between the valve spool and a second side wall, a third chamber is defined between the valve spool, the first side wall and the second side wall, the first connecting pipe is normally communicated with the first chamber, the second connecting pipe is normally communicated with the second chamber, the valve spool moves so that one of the third connecting pipe and the fourth connecting pipe is communicated with the first chamber and the other one is communicated with the third chamber, and one of the fifth connecting pipe and the sixth connecting pipe is communicated with the second chamber and the other one is communicated with the third chamber, anda pilot valve assembly, communicated with the two valve chambers, so as to switch pressures in the two valve chambers, the first connecting pipe being connected to the air exhaust port, the second connecting pipe being connected to the air return port, the third connecting pipe being connected to the outdoor unit output port, and the fifth connecting pipe being connected to the outdoor unit input port; andan outdoor heat exchanger, having two ends connected to the fourth connecting pipe and the sixth connecting pipe respectively. 14. The outdoor unit according to claim 13, wherein the first connecting pipe, the third connecting pipe and the fourth connecting pipe are disposed to the first side wall, and the second connecting pipe, the fifth connecting pipe and the sixth connecting pipe are disposed to the second side wall. 15. The outdoor unit according to claim 13, wherein the valve spool comprises: two barrier blocks spaced apart from each other, the two valve chambers being defined between the two barrier blocks and the inner circumferential wall of the valve cavity respectively; anda sliding block, disposed between the two barrier blocks and connected to the two barrier blocks through two connecting rods, the first chamber being defined between the sliding block and the first side wall, the second chamber being defined between the sliding block and the second side wall, and the third chamber being defined between the sliding block, the two connecting rods, the two barrier blocks and the inner circumferential wall of the valve cavity. 16. The outdoor unit according to claim 15, wherein the two barrier blocks, the sliding block and the two connecting rods are configured as an integrally formed member. 17. The outdoor unit according to claim 14, wherein the valve spool comprises: two barrier blocks spaced apart from each other, the two valve chambers being defined between the two barrier blocks and the inner circumferential wall of the valve cavity respectively; anda sliding block, disposed between the two barrier blocks and connected to the two barrier blocks through two connecting rods, the first chamber being defined between the sliding block and the first side wall, the second chamber being defined between the sliding block and the second side wall, and the third chamber being defined between the sliding block, the two connecting rods, the two barrier blocks and the inner circumferential wall of the valve cavity. 18. The outdoor unit according to claim 17, wherein the two barrier blocks, the sliding block and the two connecting rods are configured as an integrally formed member. 19. The outdoor unit according to claim 13, wherein the valve body has a circular cross section. 20. An air conditioner comprising an outdoor unit having an outdoor unit output port and an outdoor unit input port, wherein the outdoor unit comprises: a compressor, having an air exhaust port and an air return port;a six-way directional valve comprising:a valve body, defining a valve cavity therein, the valve cavity having a first side wall and a second side wall disposed oppositely to each other, and the valve body being provided with a first connecting pipe, a second connecting pipe, a third connecting pipe, a fourth connecting pipe, a fifth connecting pipe and a sixth connecting pipe,a valve spool, movably disposed in the valve cavity, wherein two valve chambers being defined between two moving ends of the valve spool and an inner circumferential wall of the valve cavity, so that the valve spool is driven to move by a pressure difference between the two valve chambers, a first chamber is defined between the valve spool and a first side wall, a second chamber is defined between the valve spool and a second side wall, a third chamber is defined between the valve spool, the first side wall and the second side wall, the first connecting pipe is normally communicated with the first chamber, the second connecting pipe is normally communicated with the second chamber, the valve spool moves so that one of the third connecting pipe and the fourth connecting pipe is communicated with the first chamber and the other one is communicated with the third chamber, and one of the fifth connecting pipe and the sixth connecting pipe is communicated with the second chamber and the other one is communicated with the third chamber, anda pilot valve assembly, communicated with the two valve chambers, so as to switch pressures in the two valve chambers, the first connecting pipe being connected to the air exhaust port, the second connecting pipe being connected to the air return port, the third connecting pipe being connected to the outdoor unit output port, and the fifth connecting pipe being connected to the outdoor unit input port; andan outdoor heat exchanger, having two ends connected to the fourth connecting pipe and the sixth connecting pipe respectively.
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Buttner Peter,DEX ; Stellwagen Armin,DEX, Hydraulic control device.
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