CN203176030U - Multi-control variable damping double-freedom-degree valve core rotary four-way reversing valve - Google Patents
Multi-control variable damping double-freedom-degree valve core rotary four-way reversing valve Download PDFInfo
- Publication number
- CN203176030U CN203176030U CN 201320031221 CN201320031221U CN203176030U CN 203176030 U CN203176030 U CN 203176030U CN 201320031221 CN201320031221 CN 201320031221 CN 201320031221 U CN201320031221 U CN 201320031221U CN 203176030 U CN203176030 U CN 203176030U
- Authority
- CN
- China
- Prior art keywords
- boss
- spool
- chamber
- groove
- valve pocket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000013016 damping Methods 0.000 title claims abstract description 25
- 239000012530 fluid Substances 0.000 claims description 42
- 230000003044 adaptive effect Effects 0.000 claims description 19
- 239000000945 filler Substances 0.000 claims description 12
- 239000002828 fuel tank Substances 0.000 claims description 12
- 230000009977 dual effect Effects 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 description 12
- 239000003921 oil Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Landscapes
- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a multi-control variable damping double-freedom-degree valve core rotary four-way reversing valve. A valve core is composed of a first valve core body and a second valve core body. A first boss is arranged on the first valve core body, a second boss, a third boss, a fourth boss, a fifth boss and a sixth boss are arranged on the second valve core body, the first boss, the second boss, the third boss, the fourth boss, the fifth boss and the sixth boss are arranged in the direction from a first end cover to a second end cover in sequence, a corresponding cavity is formed between each two adjacent bosses, a valve body wall where the corresponding cavities are located and a valve body wall where the bosses are located are provided with corresponding oil ports and/or flow channels, grooves formed at the end face of the third boss and the end face of the fourth boss, a spring is arranged inside the cavity formed between the first boss and the second boss, four axial flow channels are arranged on the sixth boss, and the axial flow channels respectively form cavity flow with the fifth boss and the sixth boss. The multi-control variable damping double-freedom-degree valve core rotary four-way reversing valve has two freedom degrees of valve core rotation and valve core axial motion, independent control is conducted on work frequency and amplitude displacement of an executing mechanism through multiple control methods.
Description
Technical field
The utility model relates to a kind of hydraulicdirectional control valve, is mainly used in realizing in the frequency of okperation of actuator and the field of engineering technology that displacement amplitude can independently be controlled.
Background technique
Rotary valve refers to realize by the rotation of spool the valve of oil circuit break-make and commutation.Existing rotary valve only has the rotary freedom of a spool basically, cause rotary valve that the frequency of okperation of actuator and the control of displacement amplitude are coupled, namely can only control frequency of okperation and the amplitude displacement of actuator by the spool rotary freedom simultaneously, yet require in many field of engineering technology independent control is carried out in frequency of okperation and the amplitude displacement of actuator.
The model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of applicable to the high-pressure high-flow occasion, independent control and multi-control type adaptive damping dual free dimension spool rotary type four-way selector valve that can the damping of regulator solution pressing system are carried out in the frequency of okperation of actuator and amplitude displacement.
For achieving the above object, the technological scheme that the utility model is taked is: the utility model multi-control type adaptive damping dual free dimension spool rotary type four-way selector valve, comprise valve body, valve pocket, spool, first end cap and second end cap, it is characterized in that: described spool is made of first spool and second spool; Be provided with first boss at first spool, be provided with second boss, the 3rd boss, the 4th boss, the 5th boss and the 6th boss at second spool, first boss, second boss, the 3rd boss, the 4th boss, the 5th boss, the 6th boss are arranged to the direction of second end cap successively along first end cap;
First end of first spool runs through and stretches out first end cap, first end of described first spool or be connected with the main shaft of stepper motor by coupling, and perhaps the rotor with the rotation proportion electro-magnet is connected; Second end of first spool is relative with first end of second spool and form first chamber between first boss and second boss, has the drain tap that first chamber is communicated with fuel tank on the valve body wall at place, first chamber; Be provided with a spring in first chamber, second end of first spool and first end of second spool all stretch in the described spring, and an end of described spring is fixedlyed connected with second spool, and the other end of described spring is fixedlyed connected with first spool;
Second end cap is provided with the 4th hydraulic fluid port, first shaft orientation flowing channel and axial hole radially, described the 4th hydraulic fluid port and first shaft orientation flowing channel are communicated with, described the 4th hydraulic fluid port and described axial hole are communicated with, and second end of second spool stretches in the described axial hole and closely cooperates mutually;
The exterior edge face of the 6th boss closely contacts with second end cap, described the 6th boss is provided with second shaft orientation flowing channel, the 3rd shaft orientation flowing channel, four-axial runner and the 5th shaft orientation flowing channel, between the 5th boss and the 6th boss, form the 5th chamber, second shaft orientation flowing channel, the 3rd shaft orientation flowing channel, four-axial runner, the 5th shaft orientation flowing channel are communicated with the 5th chamber respectively, have on the valve body wall at place, the 5th chamber to make the 3rd hydraulic fluid port that the 5th chamber is communicated with oil supply system and the 6th shaft orientation flowing channel that the 5th chamber is communicated with first shaft orientation flowing channel;
Between second boss and the 3rd boss, form second chamber, have on the valve body wall at place, second chamber and can make first return opening that second chamber is communicated with fuel tank and the 7th shaft orientation flowing channel that second chamber is communicated with first chamber, at described the 7th shaft orientation flowing channel internal thread adaptive damping is installed; Between the 3rd boss and the 4th boss, form the 3rd chamber, have the P filler opening that the 3rd chamber is communicated with oil supply system on the valve body wall at place, the 3rd chamber; Between the 4th boss and the 5th boss, form the 4th chamber, have second return opening that the 4th chamber is communicated with fuel tank on the valve body wall at place, the 4th chamber;
Valve body wall at the 3rd boss place has the A hydraulic fluid port for control actuator, and the valve body wall at the 4th boss place has the B hydraulic fluid port for control actuator;
Along the circumferential direction the compartment of terrain has first groove that first return opening is communicated with the A hydraulic fluid port on a side end face of the 3rd boss, and along the circumferential direction the compartment of terrain has second groove that the P filler opening is communicated with the A hydraulic fluid port on the opposite side end face of the 3rd boss; Along the circumferential direction the compartment of terrain has the 3rd groove that the P filler opening is communicated with the B hydraulic fluid port on a side end face of the 4th boss, and along the circumferential direction the compartment of terrain has the 4th groove that second return opening is communicated with the B hydraulic fluid port on the opposite side end face of the 4th boss; First groove is overlapped with the corresponding projection of second groove on the projection plane vertical with the medial axis of second spool, the 3rd groove is overlapped with the corresponding projection of the 4th groove on the projection plane vertical with the medial axis of second spool, and second groove along the circumferential direction alternately is staggeredly arranged with the projection of the 3rd groove on the projection plane vertical with the medial axis of second spool;
Described valve pocket is at first groove, second groove, the position at the 3rd groove and the 4th groove place has the corresponding first valve pocket window, the second valve pocket window, the 3rd valve pocket window and the 4th valve pocket window, the first valve pocket window is overlapped with the corresponding projection of the 4th valve pocket window on the projection plane vertical with the medial axis of second spool, the described second valve pocket window is overlapped with the corresponding projection of the 3rd valve pocket window on the projection plane vertical with the medial axis of second spool, and the projection on the projection plane vertical with the medial axis of second spool along the circumferential direction alternately is staggeredly arranged the described first valve pocket window with the second valve pocket window.
Further, first groove described in the utility model and second groove are along evenly distributing on the circumferencial direction of the end face of described the 3rd boss, and the 3rd groove and the 4th groove are along evenly distributing on the circumferencial direction of the end face of described the 4th boss.
Further, the first valve pocket window described in the utility model, the second valve pocket window, the 3rd valve pocket window and the 4th valve pocket window are separately respectively along evenly distributing on the circumferencial direction of described valve pocket.
Compared with prior art, the beneficial effects of the utility model are: power is big, and flow is big, and high frequency performance is good, and workload-adaptability is strong, and antifouling property is good; Have spool rotation and spool and move axially two degrees of freedom, can carry out independent control to frequency of okperation and the amplitude displacement of actuator, that is: stepper motor drives the spool rotation, and then the frequency of okperation of control actuator, the comprehensive function control valve mandrel of active hydraulic coupling and spring preset power is to movement, and then the amplitude displacement of control actuator.The axial displacement of control spool has multiple control modes, and adaptability for working condition is strong, can pass through adaptive damping regulating system damping ratio, regulating system service behaviour.
Description of drawings
Fig. 1 is the internal structure schematic representation of the utility model multi-control type adaptive damping dual free dimension spool rotary type four-way selector valve, and wherein valve body, valve pocket and end cap partly are longitudinal section, center sectional views;
Fig. 2 is the three-dimensional structure schematic representation that the valve body of the utility model multi-control type adaptive damping dual free dimension spool rotary type four-way selector valve is cut open along the longitudinal section, center of valve body;
Fig. 3 is the three-dimensional structure schematic representation of valve pocket 2;
Fig. 4 is the three-dimensional structure schematic representation of first spool 3;
Fig. 5 is the three-dimensional structure schematic representation of second spool 4;
Fig. 6 is the enlarged view of A portion when the utility model multi-control type adaptive damping dual free dimension spool rotary type four-way selector valve is in P → B working state (i.e. first working state) among Fig. 1;
Fig. 7 is the enlarged view of A portion when the utility model selector valve is in P → A working state (i.e. second working state) among Fig. 1;
Fig. 8 is second groove and the projection position distribution relation schematic representation of the 3rd groove on the projection plane vertical with the medial axis of second spool;
Fig. 9 is that wherein valve body, valve pocket and end cap partly are longitudinal section, center sectional views with the internal structure schematic representation of the utility model selector valve behind the second end cap Rotate 180 °.
Among the figure, 1-valve body; 2-valve pocket; 3-the first spool; 4-the second spool; 5-the first end cap; 6-the second end cap; 7-the first boss; 8-the second boss; 9-the three boss; 10-the four boss; 11-the five boss; 12-the six boss; First end of 13-the first spool; Second end of 14-the first spool; First end of 15-the second spool; Second end of 16-the second spool; 17-spring; One end of 18-spring; The other end of 19-spring; 20-the first chamber; 21-the second chamber; 22-the three chamber; 23-the four chamber; 24-the five chamber; 25-axial hole; 26-the first shaft orientation flowing channel; 27-the second shaft orientation flowing channel; 28-the three shaft orientation flowing channel; 29-the four-axial runner; 30-the five shaft orientation flowing channel; 31-the six shaft orientation flowing channel; 32-the seven shaft orientation flowing channel; 33-adaptive damping; 34-the four hydraulic fluid port; 35-the three hydraulic fluid port; 36-return opening; 37-P filler opening; 38-return opening; 39-A hydraulic fluid port; 40-B hydraulic fluid port; 41-the first groove; 42-the second groove; 43-the three groove; 44-the four groove; 45-the first valve pocket window; 46-the second valve pocket window; 47-the three valve pocket window; 48-the four valve pocket window; 49-drain tap.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
To shown in Figure 5, the utility model multi-control type adaptive damping dual free dimension spool rotary type four-way selector valve mainly comprises valve body 1, valve pocket 2, first spool 3, second spool 4, first end cap 5 and second end cap 6 as Fig. 1.First spool 3 and second spool 4 place in the chamber of valve body 1, and first end cap 5 and second end cap 6 are installed together at end and the valve body 1 at the two ends of valve body 1 respectively.As Fig. 1, Fig. 4 and shown in Figure 5, be provided with first boss 7 at first spool 3, be provided with second boss 8, the 3rd boss 9, the 4th boss 10, the 5th boss 11 and the 6th boss 12 at second spool 4, and first boss 7, second boss 8, the 3rd boss 9, the 4th boss 10, the 5th boss 11 and the 6th boss 12 are arranged successively on from first end cap 5 to the direction of second end cap 6.First end 13 of first spool runs through and stretches out first end cap 5, first end 13 of first spool can be connected with the stepper motor main shaft by coupling, drive spool and realize rotatablely moving of spool by the stepper motor main shaft, form open-loop control system, simple in structure, easy to operate, high frequency performance is good, and antifouling property is good.As another kind of mode of execution of the present utility model, first end 13 of first spool also can be connected by the rotor of coupling with the rotation proportion electro-magnet, by the rotation proportion electro-magnet the rotor banding movable valve plug and realize rotatablely moving of spool, and the feedback control of adding the angular displacement of angle transducer realization spool, form closed loop control system, workload-adaptability is strong, improves control accuracy and stability.
Shown in Fig. 1, first chamber 20 is the cavity that forms between first boss 7 and second boss 8, have the drain tap 49 that first chamber 20 is communicated with fuel tank on the wall of the valve body 1 at 20 places, first chamber, the leakage oil that enters into first chamber 20 can flow back to fuel tank by drain tap 49.Spring 17 is positioned at first chamber 20, second end 14 of first spool and first end 15 of second spool stretch in the spring 17, and second end 14 of first spool is relative with first end 15 of second spool, one end 18 of spring is fixedlyed connected with second spool 4, and the other end 18 of spring is fixedlyed connected with first spool 3.Second end cap 6 is provided with the 4th hydraulic fluid port 34, first shaft orientation flowing channel 26 and axial hole 25 radially.The 4th hydraulic fluid port 34 and first shaft orientation flowing channel 26 are communicated with, and the 4th hydraulic fluid port 34 and axial hole 25 are communicated with.Second end 16 of second spool stretches in the axial hole 25, forms with axial hole 25 to closely cooperate.Compare the 6th boss 12 the most close second end caps 6 with other boss.The exterior edge face of the 6th boss 12 closely contacts with second end cap 6; In conjunction with Fig. 1 and Fig. 5 as can be known, the 6th boss 12 is provided with second shaft orientation flowing channel 27, the 3rd shaft orientation flowing channel 28, four-axial runner 29 and the 5th shaft orientation flowing channel 30, the second shaft orientation flowing channels 27, the 3rd shaft orientation flowing channel 28, four-axial runner 29, the 5th shaft orientation flowing channel 30 and is communicated with the 5th chamber 24 respectively.Second chamber 21 is the cavity that forms between second boss 8 and the 3rd boss 9, have the return opening 36 that second chamber 21 is communicated with fuel tank on the wall of the valve body 1 at 21 places, second chamber, have the 7th shaft orientation flowing channel 32 that second chamber 21 is communicated with first chamber 20 on the wall of the valve body 1 between return opening 36 and the drain tap 49; At the 7th shaft orientation flowing channel 32 internal threads removable adaptive damping 33 is installed.The 3rd chamber 22 is the cavity that forms between the 3rd boss 9 and the 4th boss 10, has the P filler opening 37 that the 3rd chamber 22 is communicated with oil supply system on the wall of the valve body 1 at 22 places, the 3rd chamber.The 4th chamber 23 is the cavity that forms between the 4th boss 10 and the 5th boss 11, has the return opening 38 that the 4th chamber 23 is communicated with fuel tank on the wall of the valve body 1 at 23 places, the 4th chamber.The 5th chamber 24 is the cavity that forms between the 5th boss 11 and the 6th boss 12, have on the wall of the valve body 1 at 24 places, the 5th chamber on the wall that makes the 3rd hydraulic fluid port 35, the three hydraulic fluid ports 35 that the 5th chamber 24 is communicated with oil supply system and the valve body 1 between second end cap 6 and have the 6th shaft orientation flowing channel 31 that the 5th chamber 24 is communicated with first shaft orientation flowing channel 26.
As Fig. 1, Fig. 2 and shown in Figure 5, have A hydraulic fluid port 39 for control actuator at the wall of the valve body 1 at the 3rd boss 9 places, have B hydraulic fluid port 40 for control actuator at the wall of the valve body 1 of the 4th boss 10.Along the circumferential direction the compartment of terrain has first groove 41 that return opening 36 is communicated with A hydraulic fluid port 39 on a side end face of the 3rd boss 9, and along the circumferential direction the compartment of terrain has second groove 42 that P filler opening 37 is communicated with A hydraulic fluid port 39 on the opposite side end face of the 3rd boss 9.Along the circumferential direction the compartment of terrain has the 3rd groove 43 that P filler opening 37 is communicated with B hydraulic fluid port 40 on a side end face of the 4th boss 10, and along the circumferential direction the compartment of terrain has the 4th groove 44 that return opening 38 is communicated with B hydraulic fluid port 40 on the opposite side end face of the 4th boss 10.
As shown in Figure 8, second groove 42 on the 3rd boss 9 along the circumferential direction alternately is staggeredly arranged with the projection of the 3rd groove 43 on the projection plane vertical with the medial axis of second spool 4 on the 4th boss 10.First groove 41 on the 3rd boss 9 is overlapped with the corresponding projection of second groove 42 on the projection plane vertical with the medial axis of second spool 4, and the 3rd groove 43 on the 4th boss 10 is overlapped with the corresponding projection of the 4th groove 44 on the projection plane vertical with the medial axis of second spool 4.
As preferred version of the present utility model, first groove 41 on the 3rd boss 9 evenly distributes along the circumferencial direction of the end face of the 3rd boss 9, and second groove 42 on the 3rd boss 9 evenly distributes along the circumferencial direction of the end face of the 3rd boss 9; The 3rd groove 43 on the 4th boss 10 evenly distributes along the circumferencial direction of the end face of the 4th boss 10, and the 4th groove 44 on the 4th boss 10 is along evenly distributing on the circumferencial direction of the 4th boss 10.
As shown in figures 1 and 3, valve pocket 2 has the corresponding first valve pocket window 45 in the position at first groove, 41 places, valve pocket 2 has the corresponding second valve pocket window 46 in the position at second groove, 42 places, valve pocket 2 has corresponding the 3rd valve pocket window 47 in the position at the 3rd groove 43 places, and valve pocket 2 has corresponding the 4th valve pocket window 48 in the position at the 4th groove 44 places.The first valve pocket window 45 on the valve pocket 2 is overlapped with the corresponding projection of the 4th valve pocket window 48 on the projection plane vertical with the medial axis of second spool 4, the second valve pocket window 46 on the valve pocket 2 is overlapped with the corresponding projection of the 3rd valve pocket window 47 on the projection plane vertical with the medial axis of second spool 4, and the first valve pocket window 45 on the valve pocket 2 along the circumferential direction alternately is staggeredly arranged with the corresponding projection of the second valve pocket window 46 on the projection plane vertical with the medial axis of second spool 4.
As preferred version of the present utility model, the first valve pocket window 45 on the valve pocket 2 is along evenly distributing on the circumferencial direction of valve pocket 2, the second valve pocket window 46 on the valve pocket 2 is along evenly distributing on the circumferencial direction of valve pocket 2, the 3rd valve pocket window 47 on the valve pocket 2 is along evenly distributing on the circumferencial direction of valve pocket 2, and the 4th valve pocket window 48 on the valve pocket 2 is along evenly distributing on the circumferencial direction of valve pocket 2.
The commutation working procedure of the utility model multi-control type adaptive damping dual free dimension spool rotary type four-way selector valve is: during 3 rotations of first spool, drive 4 rotations of second spool by spring 17.When second spool 4 rotated to as shown in Figure 6 position, the utility model selector valve was in P → B working state (i.e. first working state).At this moment, first groove 41 is communicated with the first valve pocket window 45, and the 3rd groove is communicated with the 3rd valve pocket window 47 simultaneously.Flow to three groove 43 and the three valve pocket window 47 of hydraulic oil by being on state in the 3rd chamber 22 by P filler opening 37, enter actuator through B hydraulic fluid port 40; Simultaneously, the hydraulic oil that flows out from the actuator A hydraulic fluid port 39 of flowing through, the hydraulic oil that first groove 41 by being on state and the first valve pocket window 45 flow in 21, the second chambeies 21, second chamber flows back to fuel tank through return opening 36.When second spool 4 rotated to as shown in Figure 7 position, the utility model selector valve was in P → A working state (i.e. second working state).At this moment, second groove 42 is communicated with the second valve pocket window 46, and the 4th groove 44 is communicated with the 4th valve pocket window 48 simultaneously.Flow to second groove 42 and the second valve pocket window 46 of hydraulic oil by being on state in the 3rd chamber 22 by P filler opening 37, enter actuator through A hydraulic fluid port 39; Simultaneously, the hydraulic oil that flows out from the actuator B hydraulic fluid port 40 of flowing through, the hydraulic oil that the 4th groove 44 by being on state and the 4th valve pocket window 48 flow in 23, the four chambeies 23, the 4th chamber flows back to fuel tank through return opening 38.Rotation along with first spool 3 and second spool 4, the utility model selector valve periodically alternately is in first working state and second working state, thereby the utility model four-way change-over valve area of passage is according to---little---greatly big mode generating period variation, valve port opening is changed continuously, realize the commutation function of the utility model selector valve.
In first spool 3 and 4 rotations of second spool, can realize the axial displacement of second spool 4 by following several control modes.As shown in Figure 1, when the 6th shaft orientation flowing channel 31 and the 26 maintenance connections of first shaft orientation flowing channel, if the 4th hydraulic fluid port 34 is blocked, the hydraulic oil that oil supply system provides enters and is divided into two-way behind the 3rd hydraulic fluid port 35: wherein one the tunnel enter 24 backs, the 5th chamber by second shaft orientation flowing channel 27, the 3rd shaft orientation flowing channel 28, four-axial runner 29 and the 5th shaft orientation flowing channels 30, act at last on the bottom surface of second end cap 6 and produce the power of surging; Another road enters axial hole 25 through the 6th shaft orientation flowing channel 31, first shaft orientation flowing channel 26, produces the power of surging thereby act directly on the end face of second end 16 of second spool.At this moment, if the adaptive damping 33 of the zero lap of adopting is with 32 blocking-up of the 7th shaft orientation flowing channel, and make the power of surging that produces on the end face of second end 16 that acts on second spool greater than the preset power of spring 17, so, 4 beginnings of second spool are to the direction generation axial displacement at the first spool place; If drain tap 49 is blocked, can adopt the adaptive damping 33 of permanent opening simultaneously, so, the hydraulic oil in second chamber 21 enters first chamber 20 by the 7th shaft orientation flowing channel 32; If make the power of surging that produces on the end face of second end 16 that acts on second spool greater than the comprehensive function power of the power of surging of hydraulic oil in the preset power of spring 17 and first chamber 20, so, 4 beginnings of second spool are to the direction generation axial displacement at the first spool place.As shown in Figure 9, if with second end cap, 6 Rotate 180 degree, the 6th shaft orientation flowing channel 31 and first shaft orientation flowing channel 26 no longer keep being communicated with, when the 6th shaft orientation flowing channel 31 and first shaft orientation flowing channel 26 no longer keep being communicated with, external control hydraulic oil enters the 4th hydraulic fluid port 34, acts directly on by axial hole 25 on the end face of second end 16 of second spool and produces the power of surging.At this moment, if adopt the adaptive damping 33 of zero lap with 32 blocking-up of the 7th shaft orientation flowing channel, and make the power of surging that produces on the end face of second end 16 that acts on second spool greater than the preset power of spring 17, then 4 beginnings of second spool are to the direction generation axial displacement at the first spool place; If drain tap 49 is blocked, adopt the adaptive damping 33 of permanent opening simultaneously, so, the hydraulic oil in second chamber 21 enters first chamber 20 by the 7th shaft orientation flowing channel 32; If make the power of surging that produces on the end face of second end 16 that acts on second spool greater than the comprehensive function power of the power of surging of hydraulic oil in the preset power of spring 17 and first chamber 20, so, 4 beginnings of second spool are to the direction generation axial displacement at the first spool place.
The content that this specification implements to state is enumerating the way of realization of model utility design; concrete mode shown in protection domain of the present utility model should not be regarded as being confined to implement, and should be involved in those skilled in the art according to the utility model design the equivalent technologies mode that can think deeply.
Claims (3)
1. a multi-control type adaptive damping dual free dimension spool rotary type four-way selector valve comprises valve body, valve pocket, spool, first end cap and second end cap, and it is characterized in that: described spool is made of first spool and second spool; Be provided with first boss at first spool, be provided with second boss, the 3rd boss, the 4th boss, the 5th boss and the 6th boss at second spool, first boss, second boss, the 3rd boss, the 4th boss, the 5th boss, the 6th boss are arranged to the direction of second end cap successively along first end cap;
First end of first spool runs through and stretches out first end cap, first end of described first spool or be connected with the main shaft of stepper motor by coupling, and perhaps the rotor with the rotation proportion electro-magnet is connected; Second end of first spool is relative with first end of second spool and form first chamber between first boss and second boss, has the drain tap that first chamber is communicated with fuel tank on the valve body wall at place, first chamber; Be provided with a spring in first chamber, second end of first spool and first end of second spool all stretch in the described spring, and an end of described spring is fixedlyed connected with second spool, and the other end of described spring is fixedlyed connected with first spool;
Second end cap is provided with the 4th hydraulic fluid port, first shaft orientation flowing channel and axial hole radially, described the 4th hydraulic fluid port and first shaft orientation flowing channel are communicated with, described the 4th hydraulic fluid port and described axial hole are communicated with, and second end of second spool stretches in the described axial hole and closely cooperates mutually;
The exterior edge face of the 6th boss closely contacts with second end cap, described the 6th boss is provided with second shaft orientation flowing channel, the 3rd shaft orientation flowing channel, four-axial runner and the 5th shaft orientation flowing channel, between the 5th boss and the 6th boss, form the 5th chamber, second shaft orientation flowing channel, the 3rd shaft orientation flowing channel, four-axial runner, the 5th shaft orientation flowing channel are communicated with the 5th chamber respectively, have on the valve body wall at place, the 5th chamber to make the 3rd hydraulic fluid port that the 5th chamber is communicated with oil supply system and the 6th shaft orientation flowing channel that the 5th chamber is communicated with first shaft orientation flowing channel;
Between second boss and the 3rd boss, form second chamber, have on the valve body wall at place, second chamber and can make first return opening that second chamber is communicated with fuel tank and the 7th shaft orientation flowing channel that second chamber is communicated with first chamber, at described the 7th shaft orientation flowing channel internal thread adaptive damping is installed; Between the 3rd boss and the 4th boss, form the 3rd chamber, have the P filler opening that the 3rd chamber is communicated with oil supply system on the valve body wall at place, the 3rd chamber; Between the 4th boss and the 5th boss, form the 4th chamber, have second return opening that the 4th chamber is communicated with fuel tank on the valve body wall at place, the 4th chamber;
Valve body wall at the 3rd boss place has the A hydraulic fluid port for control actuator, and the valve body wall at the 4th boss place has the B hydraulic fluid port for control actuator;
Along the circumferential direction the compartment of terrain has first groove that first return opening is communicated with the A hydraulic fluid port on a side end face of the 3rd boss, and along the circumferential direction the compartment of terrain has second groove that the P filler opening is communicated with the A hydraulic fluid port on the opposite side end face of the 3rd boss; Along the circumferential direction the compartment of terrain has the 3rd groove that the P filler opening is communicated with the B hydraulic fluid port on a side end face of the 4th boss, and along the circumferential direction the compartment of terrain has the 4th groove that second return opening is communicated with the B hydraulic fluid port on the opposite side end face of the 4th boss; First groove is overlapped with the corresponding projection of second groove on the projection plane vertical with the medial axis of second spool, the 3rd groove is overlapped with the corresponding projection of the 4th groove on the projection plane vertical with the medial axis of second spool, and second groove along the circumferential direction alternately is staggeredly arranged with the projection of the 3rd groove on the projection plane vertical with the medial axis of second spool;
Described valve pocket is at first groove, second groove, the position at the 3rd groove and the 4th groove place has the corresponding first valve pocket window, the second valve pocket window, the 3rd valve pocket window and the 4th valve pocket window, the first valve pocket window is overlapped with the corresponding projection of the 4th valve pocket window on the projection plane vertical with the medial axis of second spool, the described second valve pocket window is overlapped with the corresponding projection of the 3rd valve pocket window on the projection plane vertical with the medial axis of second spool, and the projection on the projection plane vertical with the medial axis of second spool along the circumferential direction alternately is staggeredly arranged the described first valve pocket window with the second valve pocket window.
2. multi-control type adaptive damping dual free dimension spool rotary type four-way selector valve according to claim 1, it is characterized in that: described first groove and second groove are along evenly distributing on the circumferencial direction of the end face of described the 3rd boss, and the 3rd groove and the 4th groove are along evenly distributing on the circumferencial direction of the end face of described the 4th boss.
3. multi-control type adaptive damping dual free dimension spool rotary type four-way selector valve according to claim 1 and 2 is characterized in that: the described first valve pocket window, the second valve pocket window, the 3rd valve pocket window and the 4th valve pocket window are separately respectively along evenly distributing on the circumferencial direction of described valve pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031221 CN203176030U (en) | 2013-01-22 | 2013-01-22 | Multi-control variable damping double-freedom-degree valve core rotary four-way reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031221 CN203176030U (en) | 2013-01-22 | 2013-01-22 | Multi-control variable damping double-freedom-degree valve core rotary four-way reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203176030U true CN203176030U (en) | 2013-09-04 |
Family
ID=49072733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320031221 Expired - Lifetime CN203176030U (en) | 2013-01-22 | 2013-01-22 | Multi-control variable damping double-freedom-degree valve core rotary four-way reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203176030U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089733A (en) * | 2013-01-22 | 2013-05-08 | 浙江大学 | Multi-control type variable damping double-freedom-degree valve core rotation type four-way reversing valve |
| CN107368629A (en) * | 2017-06-22 | 2017-11-21 | 北京理工大学 | A kind of pressure-reducing valve solid liquid interation parameter identification method |
| CN110319238A (en) * | 2019-08-05 | 2019-10-11 | 安徽理工大学 | A kind of big flow electric-hydraulic proportion commutation exciting dual-purpose valve |
| CN110608298A (en) * | 2019-09-25 | 2019-12-24 | 昆山海芯机电科技有限公司 | Manual reversing valve with enhanced sealing |
-
2013
- 2013-01-22 CN CN 201320031221 patent/CN203176030U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089733A (en) * | 2013-01-22 | 2013-05-08 | 浙江大学 | Multi-control type variable damping double-freedom-degree valve core rotation type four-way reversing valve |
| CN107368629A (en) * | 2017-06-22 | 2017-11-21 | 北京理工大学 | A kind of pressure-reducing valve solid liquid interation parameter identification method |
| CN110319238A (en) * | 2019-08-05 | 2019-10-11 | 安徽理工大学 | A kind of big flow electric-hydraulic proportion commutation exciting dual-purpose valve |
| CN110319238B (en) * | 2019-08-05 | 2024-03-22 | 安徽理工大学 | High-flow electrohydraulic proportional reversing excitation dual-purpose valve |
| CN110608298A (en) * | 2019-09-25 | 2019-12-24 | 昆山海芯机电科技有限公司 | Manual reversing valve with enhanced sealing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103089733B (en) | Multi-control type variable damping double-freedom-degree valve core rotation type four-way reversing valve | |
| CN103104568B (en) | Internally piloting type two-freedom-degree valve core rotation type four-way reversing valve | |
| CN203176030U (en) | Multi-control variable damping double-freedom-degree valve core rotary four-way reversing valve | |
| CN103075381B (en) | Dual-control type four-way reversing valve | |
| CN103291962B (en) | Rotary valve device capable of automatically eliminating hydraulic cylinder piston offset | |
| CN104344017A (en) | Plane sealing type reversing valve | |
| CN104196790B (en) | Double freedom Spool rotating internal control type high frequency direction changing ratio valve | |
| CN102072217B (en) | Double-acting automatic pressure increasing valve | |
| CN202579414U (en) | Hydraulic combined valve | |
| CN108005983A (en) | A kind of big flow Solenoid ball valve | |
| CN208534882U (en) | A kind of plunger type reversal valve with middle position oil return function | |
| CN203685737U (en) | Automatic reversing slide valve | |
| CN108005982A (en) | The big flow Solenoid ball valve of crossover position No leakage | |
| CN109764018B (en) | Multi-way valve with unloading and oil return logic functions in working piece | |
| CN203892659U (en) | Over-flow protection mechanism of ball valve | |
| CN103775410A (en) | Automatic reversing slide valve | |
| CN203176029U (en) | Double-control four-way reversing valve | |
| CN203176031U (en) | Internal-control type valve core rotating type four-way reversing valve with two degrees of freedom | |
| CN202746314U (en) | Reversing valve two-way hydraulic lock | |
| CN108071818B (en) | Four-way valve | |
| CN203384420U (en) | Rotary valve device capable of automatically eliminating hydraulic cylinder piston offset | |
| CN203051283U (en) | Introcontrol type four-way reversing valve | |
| CN103015473A (en) | Priority control method of excavator and movable arm to rotation and priority valve | |
| CN105240569A (en) | Duplex synchronous automatic compensation type switching valve | |
| CN108561361A (en) | A kind of switching circuit of two-way Cartridge valve and guiding valve composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20150311 |
|
| RGAV | Abandon patent right to avoid regrant |