CN209569359U - A kind of rotational valve core and without abrasion fluid erosion prevention clutch valve - Google Patents
A kind of rotational valve core and without abrasion fluid erosion prevention clutch valve Download PDFInfo
- Publication number
- CN209569359U CN209569359U CN201920011314.XU CN201920011314U CN209569359U CN 209569359 U CN209569359 U CN 209569359U CN 201920011314 U CN201920011314 U CN 201920011314U CN 209569359 U CN209569359 U CN 209569359U
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- valve
- sealing surface
- opening
- valve rod
- closing
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Abstract
The utility model discloses a kind of rotational valve core and without abrasion fluid erosion prevention clutch valve, rotational valve core includes the opening and closing element for connecting the lifting flashboard and horizontal movement of valve rod, it goes up and down flashboard and is equipped with channel, channel side formation input sealing surface and output sealing surface, input sealing surface or output sealing surface are set as opening and closing element, the lifting flashboard that valve rod connects rotational valve core moves up and down, and lifting flashboard connection opening and closing element stretches out or shrink switching.The utility model provides long service life, ON/OFF torque is small, flow resistance coefficient is small, energy-saving effect is good and manufacture, installation, maintenance are convenient a kind of without abrasion fluid erosion prevention clutch valve, solves the problems, such as the destruction of abrasion (scratch) and the erosion (washing away, cavitation) of valve.
Description
Technical field
The utility model relates to a kind of valves, more specifically more particularly to a kind of rotational valve core and without abrasion fluid erosion prevention
Clutch valve.
Background technique
Service life is valve mass important technology index.It closes secondary (valve body and opening and closing element) closed performance and determines that valve makes
Use the service life.It closes secondary abrasion (scratch) and is the principal mode of destruction closed performance by erosion.Make a general survey of current fluid engineering institute
The stop valve of use not yet finds the valve small without abrasion, fluid erosion prevention, operational torque.
At present valve there are the problem of: 1, the secondary abrasion of closing, current valve are waited such as gate valve, ball valve because closing pair has
Relative motion, inevitably generates abrasion during opening or closing, and serious scratch (even if more small scratch) will
So that valve is lost closed performance, needs replacing or repair.
2, the secondary erosion of closing, valve opening or turn-off transient close secondary formation very little gap, and flow velocity is big at this time, to envelope
It closes by-produced erosion and cavitation to destroy, closure member is directly impacted when especially having grit in High Pressure Difference, fluid or liquid is situated between
Matter partial vaporization and gas-liquid blasting impact generate cavitation.It is more serious rapidly in the case.Such as gate valve and ball valve, it is opening
With the moment of closing, runner becomes smaller, and forms erosion, and it is secondary to destroy closing.
3, operational torque problem, the operational torque of universal valve ON/OFF be all it is very big, sometimes need Lengthened wrench, or
By applied force, such as turbine and worm, pneumatic, electric device.Either gate valve, shut-off valve or ball valve are all such.Thus also accelerate
The secondary destruction of closing.
The approach to solve the above problems designs at present, the service life that the valve products of production are raising valve is mostly to adopt
With mode the following:
1, closing uses expensive (such as chromium base or nickel alloy)；
2, the secondary pairing of the reasonable closing of selection, the intermetallic difference of hardness of pairing or two such as different materials；
3, machining accuracy is improved；
4, make the improvement in some structures；
Suchlike method all fails to solve the problems, such as from basic.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, provides long service life, open/
Close that torque is small, flow resistance coefficient is small, energy-saving effect is good and a kind of convenient rotational valve core and without wearing erosion control of manufacture, installation, maintenance
Clutch valve is lost, solves the problems, such as the destruction of abrasion (scratch) and the erosion (washing away, cavitation) of valve.
A kind of rotational valve core of the utility model, the opening and closing element of lifting flashboard and horizontal movement including connection valve rod, rises
It drops flashboard and is equipped with channel, channel two sides form input sealing surface and output sealing surface, input sealing surface or output sealing surface setting
For opening and closing element, the lifting flashboard that valve rod connects rotational valve core moves up and down, lifting flashboard connection opening and closing element horizontal movement switching.
Using the above structure, when opening valve, valve rod drives lifting flashboard to move upwards to the utility model, goes up and down flashboard
Opening and closing element level is driven to shrink, then valve rod is driving rotational valve core, lifting flashboard, opening and closing element to rotate in valve body, opening and closing element
During rotation not with the by-produced friction of the closing of input port and/delivery outlet；When closing valve, valve rod rotation drives rotation valve
Core, lifting flashboard, opening and closing element rotate backward in valve body, and opening and closing element is in contraction state, the radius of gyration and input port and/output
Mouthful closing pair have gap so that in opening and closing element rotation process, not with the by-produced friction of the closing of input port and/delivery outlet, so
Valve rod drives lifting flashboard decline afterwards, and lifting flashboard decline drives opening and closing element to stretch out the closing pair for being close to input port and/delivery outlet
Until reaching closing；During the entire process of opening and closing, between opening and closing element and input port and the closing pair of/delivery outlet only
By the normal pressure of vertical sealing surface, without frictionally damage.
A kind of above-mentioned rotational valve core, lifting flashboard be equipped with gradient dovetail, opening and closing element be equipped with dovetail groove, dovetail with
Dovetail groove, which matches, to be slidably connected.When Open valve, valve rod drives lifting flashboard to rise, and lifting flashboard is by dovetail along dovetail
Slot rises, and dovetail groove is gradient, and dovetail matches with dovetail groove, and opening and closing element is gradually moved to lifting flashboard when lifting flashboard rises
It is dynamic, realize the purpose that opening and closing element is shunk, valve rod is rotatably connected rotational valve core, and rotational valve core, lifting flashboard, opening and closing element is driven to exist
90 ° are rotated in valve body to channel all-pass, opening and closing element does not close generation friction with primary seal during rotation；When closing valve, valve rod
Rotation drives rotational valve core, lifting flashboard, opening and closing element to rotate backward 90 ° in valve body, and opening and closing element is in contraction state, revolution half
Diameter and master are closed with gap, so that during opening and closing element rotates 90 °, whole no and valve body contact does not generate friction, then valve
Bar drives lifting flashboard to decline, and lifting flashboard decline drives opening and closing element to stretch out abutting primary seal and closes until reaching closing.
A kind of above-mentioned rotational valve core, dovetail and dovetail groove upper end are inclined outwardly setting.When realizing that lifting flashboard rises
Opening and closing element is gradually moved horizontally to lifting flashboard, the purpose that opening and closing element is shunk；Realize that lifting flashboard decline drives opening and closing element to stretch out
It is close to main closed purpose；During the entire process of avoiding valve opening and closing, opening and closing element is closed with primary seal and/pair closing is generated and rubbed
It wipes.
It is a kind of that without abrasion fluid erosion prevention clutch valve, including valve body, rotational valve core, valve rod, valve body is equipped with input port and delivery outlet,
Including the rotational valve core.
Above-mentioned is a kind of without abrasion fluid erosion prevention clutch valve, and rotational valve core is equipped with channel, and channel two sides form input sealing surface
With output sealing surface, valve rod connects rotational valve core rotation switching, inputs sealing surface and output sealing surface sequence envelope when rotated
Close/open input port and delivery outlet.
The utility model using the above structure, due to input sealing surface and output sealing surface between formed it is non-concurrent open/
It is closed to rotarily open or closed error angle (differential seat angle of opening and closing of fault), it is first to pass through the rotary shifted angle formed when rotation
Misplace closing/unlatching input port and delivery outlet afterwards.Due to forming non-concurrent unlatching/envelope between input sealing surface and output sealing surface
The angular displacement of the rotary opening and closing closed, i.e. input closing face closure/unlatching input port and output closing face closure/unlatching export the degree of lip-rounding
It is opened or traling at non-concurrent rotation, forms the opening angle of dislocation therebetween.When Open valve, output sealing surface first opens delivery outlet,
Input port is opened after input sealing surface, when closing valve, input sealing surface first closes input port, output sealing surface rear enclosed output
Mouthful.Valve rod connects rotational valve core, and when opening or closing valve, valve rod drives rotational valve core rotation switching.When setting opening angle
When less than 20 °, when the opening angle of rotational valve core is less than 20 °, exports the gap for having very little between sealing surface and delivery outlet and lead to
Road connection, input sealing surface and input port closing connect.When the opening angle of rotational valve core be greater than 20 ° when, input sealing surface with
There is small―gap suture to be connected to channel between input port, the circulation area exported between sealing surface and delivery outlet is very big, and velocity of medium is small,
The secondary destruction of closing to delivery outlet reduces, and realizes anti-wear and erosion purpose.
Above-mentioned is a kind of without abrasion fluid erosion prevention clutch valve, and delivery outlet is closed equipped with primary seal, and input port is equipped with secondary closing, input envelope
It closes face and exports secondary close in sealing surface elder generation rear enclosed/unlatching input port and closed with the primary seal of delivery outlet.When Open valve, output envelope
It closes face and first opens the primary seal of delivery outlet and close, input after sealing surface and open the secondary closing of input port；When closing valve, sealing surface is inputted
The secondary closing of input port is first closed, the primary seal of output sealing surface rear enclosed delivery outlet is closed.
Above-mentioned is a kind of without abrasion fluid erosion prevention clutch valve, input sealing surface and output sealing surface rotary opening and closing angle sequence 5
~35 degree.
Above-mentioned is a kind of without abrasion fluid erosion prevention clutch valve, and valve body is equipped with valve rod base, and valve rod is threaded through the interspersed of valve rod base
Kong Zhong, the inserting hole of valve rod base are equipped with valve stem nut, and valve rod is connect by valve stem nut with valve rod base, intert hole wall and are equipped with phase
Logical horizontal guide grooves and vertical guide slot, valve rod are equipped with rolling bearing, and valve rod can drive rolling bearing to lead along horizontal guide grooves, vertically
Trough roller is dynamic.When valve rod is gone up and down, rolling bearing is driven to roll in vertical guide slot, is gone up and down along vertical guide slot；When valve rod rotates, roll
Bearing is rolled to horizontal guide grooves from vertical guide slot, and rolling bearing is driven to roll in horizontal guide grooves, rotates along horizontal guide grooves.
Above-mentioned is a kind of without fluid erosion prevention clutch valve is worn, and valve rod and rotational valve core pass through rotating card block and be rotatablely connected.Valve rod
It is equipped with rotating card block, realizes that valve rod drives the purpose of rotational valve core rotation.
Above-mentioned is a kind of without abrasion fluid erosion prevention clutch valve, and lifting flashboard is equipped with T-slot, and valve rod lower end matches with T-slot
Connection.Realize the purpose of valve rod connection lifting flashboard.
Above-mentioned is a kind of without abrasion fluid erosion prevention clutch valve, and channel is rectangle or circle, and aisle spare is greater than or equal to pipeline
Flow area.Flow resistance coefficient is small, and energy-saving effect is good.
Above-mentioned is a kind of without abrasion fluid erosion prevention clutch valve, and horizontal guide grooves are arranged above vertical guide slot.
Above-mentioned is a kind of without abrasion fluid erosion prevention clutch valve, and valve rod base is connected with valve body by bolt.It is not needed when maintenance
Valve body is removed from pipeline and can be repaired, and influence of the pipe stress to valve performance is avoided.
Above-mentioned is a kind of without abrasion fluid erosion prevention clutch valve, and valve rod upper end is equipped with handwheel.By the lifting of handwheel band ovable valve stem, turn
It is dynamic.
The utility model has the beneficial effects that
1, reliable closing is realized and without abrasion:
The inclined-plane that lifting flashboard matches with opening and closing element (flap) setting two sides, when closing is required, valve rod drives lifting
Flashboard moves downward.The horizontal component of section compresses valve body, and sealing surface is made to reach enough closings than pressure, to reach reliable
Closing.It is now in closed state.Closing is secondary to be only squeezed, it is well known that metal material can bear very big ratio pressure and
It does not destroy.
When needing to open, lifting flashboard is moved upwards, and drives opening and closing element to move horizontally by another inclined-plane, closing it is secondary with
Opening and closing element does not contact, and there is gap appropriate always, and 90 ° of energy reaches standard-sized sheet when reaching horizontal guide grooves.Then opposite direction is closed to revolve
Turn.Because closing is secondary to have gap with opening and closing element during this ON/OFF, closing pair can not generate scratch phenomenon, open/
The torque for closing rotation is also very little, and here it is reasons without abrasion.
2, erosion is prevented
Erosion have more now switches on moment or close end moment, gap is small at this time, and flow velocity is big, closing pair be easy to by
It is destroyed to water impact, current universal valve is the generation that not can avoid this phenomenon, and the utility model can prevent from rushing well
Lose phenomenon.
When ON/OFF is rotated less than 20 °, delivery outlet and primary seal close between only very little gap, belong to labyrinth sealing, be situated between
Mass flow is dynamic slowly, and closing destruction to primary seal is very little, when rotation is greater than 20 °, has small―gap suture between input port and secondary closing, but
Delivery outlet and primary seal close between circulation area it is very big, flow velocity is small, and the destruction secondary to closing reduces.
3, operational torque is small
The small torque of ON/OFF process is always obvious.Closing load and the operating force for unclamping flap are larger, but size
In gate valve, ball valve is especially less than closed firmly.The reason is that the utility model is monocline face through load, and two closings of gate valve are secondary all
It is inclined-plane, two-sided sealing effect is kept then to increase axial force.
Detailed description of the invention
Below in conjunction with the embodiment in attached drawing, the utility model is described in further detail, but does not constitute to this
Any restrictions of utility model.
Fig. 1 is the schematic perspective view of the utility model valve closed state；
Fig. 2 is the structural schematic diagram of the utility model valve closed state；
Fig. 3 is the A-A the schematic diagram of the section structure of Fig. 2；
Fig. 4 is the B-B the schematic diagram of the section structure of Fig. 2；
Fig. 5 is the schematic perspective view of the utility model valve open state；
Fig. 6 is the structural schematic diagram of the utility model valve open state；
Fig. 7 is the C-C the schematic diagram of the section structure of Fig. 6；
Fig. 8 is the D-D the schematic diagram of the section structure of Fig. 6；
Fig. 9 is the schematic perspective view of the utility model lifting flashboard；
Figure 10 is the schematic perspective view of the utility model opening and closing element；
Figure 11 is the schematic perspective view of the utility model valve rod base；
Figure 12 is the top cross-sectional view of the utility model valve closed state；
Figure 13 is 20 ° of the utility model valve opening angle of top cross-sectional view；
Figure 14 is 25 ° of the utility model valve opening angle of top cross-sectional view；
Figure 15 is 45 ° of the utility model valve opening angle of top cross-sectional view；
Figure 16 is the top cross-sectional view that the utility model valve is all turned on state.
Specific embodiment
Refering to fig. 1 to shown in Figure 16, a kind of rotational valve core of the utility model, 4 He of lifting flashboard including connecting valve rod 3
The opening and closing element 5 of horizontal movement, lifting flashboard 4 are equipped with channel 21, and 21 side of channel forms input sealing surface 22 and the other side is formed
Sealing surface 23 is exported, sealing surface 22 is inputted or output sealing surface 23 is set as opening and closing element 5, valve rod 3 connects the lifting of rotational valve core
Flashboard 4 moves up and down, and lifting flashboard 4 connects opening and closing element 5 and moves horizontally switching (stretching out or shrink switching).
The dovetail 41 that flashboard 4 is equipped with gradient is gone up and down, opening and closing element 5 is equipped with dovetail groove 51, dovetail 41 and 51 phase of dovetail groove
It is slidably connected with suitable.
Dovetail 41 and 51 upper end of dovetail groove are inclined outwardly setting.
It is a kind of without abrasion fluid erosion prevention clutch valve, including valve body 1, rotational valve core 2, valve rod when the utility model is embodied
3, valve body 1 is equipped with input port 11 and delivery outlet 12, and rotational valve core 2 is equipped with channel 21, and 21 side of channel forms input sealing surface 22
Output sealing surface 23 is formed with the other side, valve rod 3 connects the rotation switching of rotational valve core 2, in which: input sealing surface 22 and output envelope
Close between face 23 formed it is non-concurrent open/closed rotary opening and closing angle R2, when rotation, successively misplaces closing/11 He of unlatching input port
Delivery outlet 12.
Lifting flashboard 4 is equipped in rotational valve core 2, input sealing surface 22 and/output sealing surface 23 are equipped with opening for horizontal movement
Closing member 5, the connection lifting up and down motion connection opening and closing element 5 of flashboard 4 of valve rod 3 stretch out or shrink switching.
Delivery outlet 12 is equipped with primary seal and closes 13, and input port 11 is equipped with secondary closing 14, input sealing surface 22 and output sealing surface 23
The primary seal of the secondary closing 14 in first rear enclosed/unlatching input port 11 and delivery outlet 12 closes 13.
Input sealing surface 22 and output 23 5~35 degree of rotary opening and closing angle sequence of sealing surface.
Valve body 1 is equipped with valve rod base 6, and valve rod 3 is threaded through in the inserting hole of valve rod base 6, and the inserting hole of valve rod base 6 is equipped with
Valve stem nut 63, valve rod 3 are connect by valve stem nut 63 with valve rod base 6, and interspersed hole wall is equipped with the horizontal guide grooves 61 communicated and hangs down
Straight guide groove 62, valve rod 3 are equipped with rolling bearing 52, and valve rod 3 can drive rolling bearing 52 to roll along horizontal guide grooves 61, vertical guide slot 62
It is dynamic.
Valve rod 3 and rotational valve core 2 are rotatablely connected by rotating card block 31.
Channel 21 is rectangle or circle, and 21 area of channel is greater than or equal to pipeline flow area.
It goes up and down flashboard 4 and is equipped with T-slot 42,3 lower end of valve rod matches with T-slot 42 to be connect.
The dovetail 41 that flashboard 4 is equipped with gradient is gone up and down, opening and closing element 5 is equipped with dovetail groove 51, dovetail 41 and 51 phase of dovetail groove
It is slidably connected with suitable.
Dovetail 41 and 51 upper end of dovetail groove are inclined outwardly setting.
Horizontal guide grooves 61 are arranged above vertical guide slot 62.
Valve rod base 6 is connected with valve body 1 by bolt.
3 upper end of valve rod is equipped with handwheel 7.
When the utility model is specifically used, opens or closes in input sealing surface 22 and to export sealing surface 23 non-adjacent close
Switch between edge sealing, forms error angle R2.Wherein when opening, exports and form dislocation between sealing surface 23 and delivery outlet sealing edge
Angle R2, and input between sealing surface and the sealing edge of input port in (critical state of unlatching) when closed state, pass through mistake therebetween
Parallactic angle constitutes delivery outlet and the successive of input port opens or closes.It is then reversed with unlatching phase when closing.
When setting the error angle R2 of rotary opening and closing as 12 °.When the opening angle R1 of rotational valve core is less than 20 °, output closing
The gap (i.e. 8 °) for having very little between face 23 and delivery outlet 12 is connected to channel, and input sealing surface 22 and the closing of input port 11 connect
Connect state.It is 20 ° of valve opening angle of the present invention as shown in figure 13, wherein output sealing surface 22 first opens delivery outlet 12, and
Sealing surface 22 and input port 11 are inputted still in closed state (being in critical open state).It is valve of the present invention as shown in figure 14
Input sealing surface 22 is just gradually opened with input port 11 when state at 25 ° of opening angle, i.e. opening angle are from 20 ° to 25 °,
Between constitute open gap (i.e. 5 °).Corresponding output sealing surface 22 and delivery outlet 12 open synchronize continue to increase and open, therebetween
Gap (i.e. 13 °) is connected to channel.State when such as Figure 15 being 45 ° of valve opening angle of the present invention, i.e. opening angle from 25 ° to
Sealing surface 22 and input port 11 are inputted at 45 °, output sealing surface 23 and delivery outlet 12 open synchronize continue to increase unlatching；
When Open valve, output sealing surface 22 first opens delivery outlet 11, opens input port 12 after inputting sealing surface 23, closes
When valve, input sealing surface 22 first closes input port 11, exports 23 rear enclosed delivery outlet 12 of sealing surface.The connection rotation valve of valve rod 3
Core 2, when opening or closing valve, valve rod 3 drives the rotation switching of rotational valve core 2.When setting opening angle less than 20 °, rotation
When the opening angle of spool is less than 20 °, exporting between sealing surface and delivery outlet has the gap of very little to be connected to channel, input closing
Face and input port closing connect.When the opening angle of rotational valve core is greater than 20 °, input between sealing surface and input port have it is small between
Gap is connected to channel, and the circulation area exported between sealing surface and delivery outlet is very big, and velocity of medium is small, to the closing pair of delivery outlet
Destruction reduce, realize the purpose of anti-wear and erosion.
It is that valve of the present invention is all turned on state as shown in figure 16.When being all turned on valve, valve rod 3 drives rolling bearing 52
It rolls in vertical guide slot 62, rises along vertical guide slot 62, lifting flashboard 4 is driven to rise, lifting flashboard 4 passes through 41 edge of dovetail
Dovetail groove 51 rise, dovetail groove 51 is gradient, and dovetail 41 matches with dovetail groove 51, lifting flashboard 4 rising when opening and closing element 5 by
It is gradually mobile to lifting flashboard 4, shrink opening and closing element 5；Valve rod 3 drives rolling bearing 52 to roll in horizontal guide grooves 61, along level
Guide groove 61 rotates, and rotational valve core 2, lifting flashboard 4, opening and closing element 5 is driven to rotate in valve body 1, rotational valve core 2, lifting flashboard 4,
Opening and closing element 5 rotates 90 ° to channel all-pass, valve opening in valve body 1.
Figure 12 is valve completely closed state of the present invention.When completely closing valve, valve rod 3 drives rolling bearing 52 in level
It rolls in guide groove 61, is rotated backward along horizontal guide grooves 61, drive rotational valve core 2, lifting flashboard 4, opening and closing element 5 anti-in valve body 1
To 90 ° of rotation, opening and closing element 5 be in contraction state, the radius of gyration and primary seal close 13 and/pair close 14 and have gap so that opening and closing element 5
During 90 ° of rotation, whole process do not closed with primary seal 13 and/secondary closing 14 contact, do not generate friction, then the drive of valve rod 3 rolling
Bearing 52 rolls in vertical guide slot 62, declines along vertical guide slot 62, and lifting flashboard 4 is driven to decline, and the lifting decline of flashboard 4 drives
Opening and closing element 5 stretches out abutting primary seal and closes 13 until reaching closing.
In conclusion the utility model is made actual sample and test is used for multiple times such as specification and diagramatic content,
Judging from the effect of using the test, provable the utility model can reach its desired purpose, and practical value is unquestionable.
Embodiment provided above is only used to facilitate illustration the utility model, not makees limit in any form to the utility model
System, any those of ordinary skill in the art, if in the range of not departing from the utility model mentioned technical characteristic,
Using the equivalent embodiment for locally changing or modifying made by the utility model disclosed technology content, and it is practical without departing from this
Novel technical feature content, in the range of still falling within the utility model technical characteristic.
Claims (10)
1. a kind of rotational valve core, it is characterised in that: the opening and closing element including connecting lifting flashboard (4) and horizontal movement of valve rod (3)
(5), lifting flashboard (4) is equipped with channel (21), and channel (21) two sides form input sealing surface (22) and output sealing surface (23), defeated
Enter sealing surface (22) or output sealing surface (23) is set as opening and closing element (5), valve rod (3) connects the lifting flashboard (4) of rotational valve core
It moves up and down, lifting flashboard (4) connection opening and closing element (5) moves horizontally switching.
2. a kind of rotational valve core according to claim 1, it is characterised in that: lifting flashboard (4) is equipped with the dovetail of gradient
(41), opening and closing element (5) is equipped with dovetail groove (51), and dovetail (41) matches with dovetail groove (51) and is slidably connected.
3. a kind of rotational valve core according to claim 2, it is characterised in that: dovetail (41) and dovetail groove (51) upper end to
Outer incline setting.
4. a kind of rotational valve core according to claim 1 or 2, it is characterised in that: lifting flashboard (4) is equipped with T-slot (42),
Valve rod (3) lower end matches with T-slot (42) and connect.
5. a kind of without abrasion fluid erosion prevention clutch valve, including valve body (1), rotational valve core (2), valve rod (3), valve body (1) is equipped with input
Mouth (11) and delivery outlet (12), it is characterised in that: including any rotational valve core of Claims 1-4.
6. according to claim 5 a kind of without abrasion fluid erosion prevention clutch valve, it is characterised in that: rotational valve core (2) is equipped with logical
Road (21), channel (21) two sides form input sealing surface (22) and output sealing surface (23), and valve rod (3) connects rotational valve core (2)
Rotation switching inputs sealing surface (22) when rotated and exports sealing surface (23) sequence and closes/open input port (11) and defeated
It exports (12).
7. according to claim 5 or 6 a kind of without abrasion fluid erosion prevention clutch valve, it is characterised in that: delivery outlet (12) is equipped with
Primary seal is closed (13), and input port (11) are equipped with secondary closing (14), and input sealing surface (22) and output sealing surface (23) elder generation rear enclosed/open
The primary seal of the secondary closing (14) and delivery outlet (12) of opening input port (11) closes (13).
8. according to claim 6 a kind of without abrasion fluid erosion prevention clutch valve, it is characterised in that: input is sealing surface (22) and defeated
5~35 degree of sequence of sealing surface (23) rotary opening and closing angle out.
9. according to claim 5 or 6 a kind of without abrasion fluid erosion prevention clutch valve, it is characterised in that: valve body (1) is equipped with valve
Pole socket (6), valve rod (3) are threaded through in the inserting hole of valve rod base (6), and the inserting hole of valve rod base (6) is equipped with valve stem nut (63),
Valve rod (3) is connect by valve stem nut (63) with valve rod base (6), and interspersed hole wall is equipped with the horizontal guide grooves (61) communicated and vertically leads
Slot (62), valve rod (3) are equipped with rolling bearing (52), and valve rod (3) can drive rolling bearing (52) along horizontal guide grooves (61), vertically
Guide groove (62) rolls.
10. according to claim 5 or 6 a kind of without abrasion fluid erosion prevention clutch valve, it is characterised in that: valve rod (3) and rotation
Spool (2) is rotatablely connected by rotating card block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011314.XU CN209569359U (en) | 2019-01-01 | 2019-01-01 | A kind of rotational valve core and without abrasion fluid erosion prevention clutch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011314.XU CN209569359U (en) | 2019-01-01 | 2019-01-01 | A kind of rotational valve core and without abrasion fluid erosion prevention clutch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209569359U true CN209569359U (en) | 2019-11-01 |
Family
ID=68331555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920011314.XU Expired - Fee Related CN209569359U (en) | 2019-01-01 | 2019-01-01 | A kind of rotational valve core and without abrasion fluid erosion prevention clutch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209569359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488780A (en) * | 2019-01-01 | 2019-03-19 | 广州市昊封流体工程技术有限公司 | It is a kind of without abrasion fluid erosion prevention clutch valve |
-
2019
- 2019-01-01 CN CN201920011314.XU patent/CN209569359U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488780A (en) * | 2019-01-01 | 2019-03-19 | 广州市昊封流体工程技术有限公司 | It is a kind of without abrasion fluid erosion prevention clutch valve |
| CN109488780B (en) * | 2019-01-01 | 2023-11-07 | 广州市昊封流体工程技术有限公司 | Abrasion-free anti-erosion clutch valve |
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