CN204420274U - Ultrafast opening stop valve - Google Patents
Ultrafast opening stop valve Download PDFInfo
- Publication number
- CN204420274U CN204420274U CN201520030526.4U CN201520030526U CN204420274U CN 204420274 U CN204420274 U CN 204420274U CN 201520030526 U CN201520030526 U CN 201520030526U CN 204420274 U CN204420274 U CN 204420274U
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- Prior art keywords
- valve
- valve rod
- flap
- rod
- oil cylinder
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- Withdrawn - After Issue
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Abstract
The utility model relates to a kind of ultrafast opening stop valve, solve stop valve unlatching moment excessive, open the problem of length consuming time, it comprises valve body, valve gap, flap and valve rod, flap is arranged with in valve body, valve gap is placed in valve body upper-end surface, valve rod runs through valve gap, be connected with flap, and the axis forming valve rod and flap is linked, also comprise power mechanism, oil cylinder mechanism, position-limit mechanism and trigger mechanism, when opening stop valve, power mechanism band ovable valve stem, flap rises fast, and cylinder component can not action, the quantity of moving member when reducing valve opening with this, the fluid of low in and high out simultaneously helps frictional force when overcoming valve opening, both combine and are reducing the requirement to electromagnetic force, under the electromagnetic force > 200N of power mechanism can ensure the prerequisite of breakdown action, make opening time≤0.15 second, utilize electrical signal simultaneously, trigger oil cylinder mechanism action, drive position-limit mechanism to carry out spacing to valve rod, realize the fixing of valve rod.
Description
Technical field
The utility model relates to a kind of valve, particularly the ultrafast opening stop valve of one.
Background technique
The open-shut device of stop valve is the flap of stopper, and in plane or the conical surface above sealing, flap is along the center line moving linearly of valve seat.The forms of motion of valve rod, there are lifting bar and rotation and lifting bar, can be used for the flowing controlling all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium, therefore, such stop valve valve that dams is suitable as and cuts off or regulate and throttling use very much.Valve rod due to such valve open or shutoff stroke relatively short, and there is cutting function very reliably, again due to the change of valve seat port and the stroke direct proportionality of flap, be very suitable for the adjustment to flow.
The empty stop valve of the anti-suction of Chinese patent 20131068809.5(oil hydraulic pump) describe a kind of stop valve, steel ball and valve open detection switch and steel ball and valve is utilized to close the location of detecting switch, realize the automatic location of valve rod, but the realization of above-mentioned functions, the friction between inevitable steel ball and positioning block, because steel ball is connected with tensioner spring, so the frictional force at place is very large, in valve rod uphill process, need the frictional force overcome herein, increase electromagnetic force, otherwise increase is opened consuming time.
Model utility content
In order to overcome the deficiency of background technique, the utility model provides a kind of ultrafast opening stop valve.
The technological scheme that the utility model adopts is: a kind of ultrafast opening stop valve, it comprises valve body, valve gap, flap and valve rod, be arranged with flap in valve body, valve gap is placed in valve body upper-end surface, and valve rod runs through valve gap, be connected with flap, and the axis forming valve rod and flap is linked, described valve body is provided with a runner, the position at described runner two ends is provided with opening, also comprising power mechanism, axially moving for being with ovable valve stem; Oil cylinder mechanism, for driving position-limit mechanism to axially move, it comprises oil cylinder, piston, piston rod and solenoid valve, and described piston rod runs through and is socketed in outside valve rod, and piston rod and valve rod can be movable relatively; Position-limit mechanism, for inlay card valve rod, axially move with fixing valve rod or band ovable valve stem, it is arranged on piston rod upper end, forms axially be linked with piston rod; Trigger mechanism, for sending electrical signal, triggers oil cylinder mechanism action or position-limit mechanism action.
Described position-limit mechanism comprise start key, metal screens key and drive screens key to carry out the electromagnetic assembly of transverse movement, valve rod is provided with the screens groove suitable with screens key.
Described screens key be wedge shape to key point, described electromagnetic assembly comprises the first coil, the first static iron core, the first dynamic iron core and spring, and the first dynamic iron core is integrally formed key point with wedge shape.
Described power mechanism is connected by connecting sleeve with between valve rod, is connected between power mechanism with oil cylinder mechanism by upper bracket.
Described trigger mechanism comprises the first signal trigger mechanism and secondary signal trigger mechanism.
Described first signal trigger mechanism comprises the first electronic proximity switch be located on upper bracket inwall and the first position limit switch baffle plate be arranged on connecting sleeve.
Described secondary signal trigger mechanism comprises the second electronic proximity switch be located on upper bracket inwall and the second position limit switch baffle plate be arranged on position-limit mechanism.
Described first electronic proximity switch is identical to the distance of the second position limit switch baffle plate with described second electronic proximity switch to the distance of the first position limit switch baffle plate.
The beneficial effects of the utility model are: the utility model is when opening stop valve, power mechanism band ovable valve stem, flap rise fast, and cylinder component can not action, the quantity of moving member when reducing valve opening with this, the fluid of low in and high out simultaneously helps frictional force when overcoming valve opening, both combine and are reducing requirement to electromagnetic force, under the electromagnetic force > 200N of power mechanism can ensure the prerequisite of breakdown action, make opening time≤0.15 second; After valve opening, utilize electrical signal, trigger oil cylinder mechanism action, drive position-limit mechanism to carry out spacing to valve rod, realize the fixing of valve rod, valve rod is fixed on enable possition; When throttle down, utilize the inlay card of position-limit mechanism and valve rod to coordinate, oil cylinder mechanism drives position-limit mechanism to do axial descending motion, to be with ovable valve stem to drop to throttle down, valve rod is fixed on closed position simultaneously.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the enlarged diagram at A place in Fig. 1.
Fig. 3 is the sectional view of Fig. 2 along C-C face, and namely wedge shape inserts the schematic diagram of valve rod wedge slot to key point.
Fig. 4 is the schematic diagram after wedge shape is extracted in valve rod wedge slot key point.
Fig. 5 is the enlarged diagram at B place in Fig. 1.
1-valve body, 11-flowing into pipeline, 12-outflow conduit, 2-valve gap, 3-flap, 4-valve rod, 41-wedge slot, 42-connecting sleeve, 51-second coil, 52-second static iron core, 53-second moves iron core, 54-upper bracket, 55-lower support frame, 61-oil cylinder, 62-piston, 63-piston rod, 64-oil cylinder cover, 65-oil cylinder seat, 71-wedge shape is to key point, 72-first coil, 73-first static iron core, 74-first moves iron core, 75-spring, 81-filler seat, 82-Gland, 83-filler pressure cap, 84-spacer ring, 85-grease pouring valve, 91-first electronic proximity switch, 92-first position limit switch baffle plate, 93-second electronic proximity switch, 94-second position limit switch baffle plate.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
As shown in Figure 1, a kind of ultrafast opening stop valve, it comprises valve body 1, valve gap 2, flap 3, valve rod 4, start key and close key, start key is used for the breakdown action of opening stop valve, close key is used for the closing motion of opening stop valve, flap 3 is arranged with in valve body 1, valve gap 2 is placed in valve body 1 upper-end surface, valve rod 4 runs through valve gap 2, be connected with flap 3, and the axis forming valve rod 4 and flap 3 is linked, described valve body 1 is provided with a runner, the position at described runner two ends is provided with opening, this opening is connected with flowing into pipeline 11 and outflow conduit 12 respectively, wherein flowing into pipeline 11 is positioned at below, outflow conduit 12 is positioned at top, the two forms phase difference, make fluid low in and high out, buffer fluid is to the impact force of valve body 1, the fluid of low in and high out simultaneously has the upward pressure acted on flap 3, help frictional force when overcoming valve opening, also comprise power mechanism, axially move for being with ovable valve stem 4, it comprises the second coil 51, second static iron core 52 and the second dynamic iron core 53, obtain electric by the second coil 51, produce electromagnetic force, second dynamic iron core 53 is with ovable valve stem 4 under the driving of electromagnetic force, flap 3 moves upward vertically and closes with the second static iron core 52, valve is opened thus, flowing into pipeline 11, outflow conduit 12, runner UNICOM, oil cylinder mechanism, axially move for driving position-limit mechanism, it comprises oil cylinder 61, piston 62, piston rod 63 and solenoid valve, described piston rod 63 runs through and is socketed in outside valve rod 4, and piston rod 63 and valve rod 4 can be movable relatively, when namely valve rod 4 axially rises, piston rod 63 is motionless, but the two, by position-limit mechanism, can form and be linked, namely piston rod 63 is axially declined by position-limit mechanism band ovable valve stem 4, position-limit mechanism, for inlay card valve rod 4, when cylinder component is failure to actuate, valve rod 4 is fixed on unlatching or closed position by position-limit mechanism, during cylinder component action, position-limit mechanism band ovable valve stem 4 does axial descending motion, and this position-limit mechanism is arranged on piston rod 63 upper end, forms axially be linked with piston rod 63, trigger mechanism, for sending electrical signal, triggers oil cylinder mechanism action or position-limit mechanism action, when opening stop valve, power mechanism band ovable valve stem 4, flap 3 rise fast, and cylinder component can not action, the quantity of moving member when reducing valve opening with this, the fluid of low in and high out simultaneously helps frictional force when overcoming valve opening, both combine and are reducing requirement to electromagnetic force, under the electromagnetic force > 200N of power mechanism can ensure the prerequisite of breakdown action, make opening time≤0.15 second, after valve opening, utilize electrical signal, trigger oil cylinder mechanism action, drive position-limit mechanism to carry out spacing to valve rod 4, realize the fixing of valve rod 4, valve rod 4 is fixed on enable possition, when throttle down, utilize the inlay card of position-limit mechanism and valve rod 4 to coordinate, oil cylinder mechanism drives position-limit mechanism to do axial descending motion, to be with ovable valve stem 4 to drop to throttle down, valve rod 4 is fixed on closed position simultaneously.
Described position-limit mechanism comprises screens key and drives screens key to carry out the electromagnetic assembly of transverse movement, valve rod 4 is provided with the screens groove suitable with screens key, original state, after screens key inserts screens groove, screens key inlay card lives valve rod 4, valve rod 4 and position-limit mechanism are formed under the effect of oil cylinder mechanism axially link, no longer relative limit mechanism axially moves; Electromagnetic assembly obtains electric, pulls screens key, makes it to extract from screens groove, thus removes spacing to valve rod 4 of screens key, and valve rod 4 can relative limit mechanism be axially moved.
As Fig. 2, shown in Fig. 3 and Fig. 4, described screens key is that wedge shape is to key point 71, described screens groove is wedge slot 41, wedge shape is to the inlay card of key point 71 and wedge slot 41, what can coordinate is better, inlay card more firm, wedge shape can symmetrical inlay card wedge slot 41 to key point 71, compared with one-sided inlay card, more stable, and in valve closing process, position-limit mechanism and valve rod 4 axially link, symmetrical inlay card can make moving axially of valve rod 4 more steady, do not rock, described electromagnetic assembly comprises the first coil 72, first static iron core 73, first dynamic iron core 74 and spring 75, first dynamic iron core 74 is formed key point 71 one with wedge shape.
As shown in Figure 1, be connected by connecting sleeve 42 between described power mechanism with valve rod 4, described oil cylinder mechanism comprises oil cylinder cover 64 and oil cylinder seat 65, power mechanism is connected with oil cylinder cover 64 upper-end surface by upper bracket 54, valve gap 2 is connected with oil cylinder seat 65 lower end surface by lower support frame 55, oil cylinder cover 64 and oil cylinder seat 65 are fastened by bolts, and are equipped with seal ring at piston rod 63 and oil cylinder cover 64 contacting point, piston rod 63 with oil cylinder seat 65 contacting point, oil cylinder 61 with oil cylinder cover 64 contacting point, oil cylinder 61 with oil cylinder seat 65 contacting point, piston 62 with oil cylinder 61 contacting point five place.
As shown in Figure 5, be provided with filler assembly at valve gap 2 and the contacting point of valve rod 4, it comprises the filler seat 81, Gland 82 and the filler pressure cap 83 that set gradually, wherein in filler seat 81, is provided with spacer ring 84, be provided with grease pouring valve 85 at valve gap 2 side, give spacer ring 84 greasing by grease pouring valve 85.
As shown in Figure 1, described trigger mechanism comprises the first signal trigger mechanism and secondary signal trigger mechanism, and described first signal trigger mechanism comprises the first electronic proximity switch 91 be located on upper bracket 54 inwall and the first position limit switch baffle plate 92 be arranged on connecting sleeve 42; The second position limit switch baffle plate 94 that described secondary signal trigger mechanism comprises start key, is located at the second electronic proximity switch 93 on upper bracket 54 inwall and is arranged on position-limit mechanism.
The distance of described first electronic proximity switch 91 to the first position limit switch baffle plate 92 is identical with the distance of described second electronic proximity switch 93 to the second position limit switch baffle plate 94, ensure that position-limit mechanism is identical with the axial displacement of valve rod 4, no matter position-limit mechanism is at valve and opens still closed condition and can carry out spacing to valve rod 4.
A method for opening and closing for ultrafast opening stop valve, the steps include:
Valve opening:
1) press start key, electromagnetic assembly obtains electric generation electromagnetic force, drives screens key to away from valve rod 4 direction transverse shifting, removes spacing to valve rod 4 of screens key;
2) power mechanism obtains electric generation electromagnetic force, and band ovable valve stem 4, flap 3, connecting sleeve 42 rise vertically, are triggered to the first signal trigger mechanism, send electrical signal to the solenoid valve controlling oil cylinder mechanism work;
3) oil pressure in oil cylinder mechanism promotes piston 62 and rises vertically, drives piston rod 63 and position-limit mechanism to rise to secondary signal trigger mechanism vertically and is triggered, send electrical signal to position-limit mechanism;
4) electromagnetic assembly dead electricity, screens key inserts in valve rod 4 screens groove, and again carry out spacing to valve rod 4, valve rod is fixed on enable possition.
Valve closing:
Press close key, electromagnetic valve work, raise the oil pressure in oil cylinder mechanism, piston 62 declines along axle, and drive piston rod 63 and position-limit mechanism to decline along axle, position-limit mechanism band ovable valve stem declines along axle, to valve closing.
In opening process, oil cylinder mechanism, not with valve rod axial motion, decreases the quantity of moving member during valve opening, accelerates opening speed; In closing process, drive valve rod axial motion by the change of oil cylinder mechanism oil pressure; Position-limit mechanism not only can carry out spacing to valve rod, makes it to be fixed on enable possition, makes valve be in opening state, ovable valve stem also can be with to link, carry out throttle down, realizes the quick opening and closing of valve.
First position limit switch baffle plate 92 touches the first electronic proximity switch 91, and described first signal trigger mechanism sends electrical signal; Second position limit switch baffle plate 94 touches the second electronic proximity switch 93, and described secondary signal trigger mechanism sends electrical signal.
Below described by reference to the accompanying drawings embodiment is only preferred implementation of the present utility model, and the restriction not to protection domain of the present utility model, and any improvement done based on the utility model spirit all ought within the utility model protection domain.
Claims (8)
1. a ultrafast opening stop valve, it comprises valve body (1), valve gap (2), flap (3) and valve rod (4), flap (3) is arranged with in valve body (1), valve gap (2) is placed in valve body (1) upper-end surface, and valve rod (4) runs through valve gap (2), is connected with flap (3), and the axis forming valve rod (4) and flap (3) is linked, described valve body (1) is provided with a runner, and the position at described runner two ends is provided with opening, it is characterized in that: also comprise
Power mechanism, axially moves for being with ovable valve stem (4);
Position-limit mechanism, for inlay card valve rod (4), axially moves with fixing valve rod (4) or band ovable valve stem (4);
Oil cylinder mechanism, axially move for driving position-limit mechanism, it comprises oil cylinder (61), piston (62), piston rod (63) and solenoid valve, and described piston rod (63) runs through and is socketed in valve rod (4) outward, and piston rod (63) and valve rod (4) can be movable relatively; Described position-limit mechanism is arranged on piston rod (63) upper end, forms axially be linked with piston rod (63);
Trigger mechanism, for sending electrical signal, triggers oil cylinder mechanism action or position-limit mechanism action.
2. ultrafast opening stop valve according to claim 1, is characterized in that: described position-limit mechanism comprises screens key and drives screens key to carry out the electromagnetic assembly of transverse movement, and valve rod (4) is provided with the screens groove suitable with screens key.
3. ultrafast opening stop valve according to claim 2, it is characterized in that: described screens key is that wedge shape is to key point (71), described screens groove is wedge slot (41), described electromagnetic assembly comprises the first coil (72), the first static iron core (73), the first dynamic iron core (74) and spring (75), and the first dynamic iron core (74) is formed key point (71) one with wedge shape.
4. ultrafast opening stop valve according to claim 1, is characterized in that: be connected by connecting sleeve (42) between described power mechanism with valve rod (4), is connected between power mechanism with oil cylinder mechanism by upper bracket (54).
5. ultrafast opening stop valve according to claim 1, is characterized in that: described trigger mechanism comprises the first signal trigger mechanism and secondary signal trigger mechanism.
6. ultrafast opening stop valve according to claim 5, is characterized in that: described first signal trigger mechanism comprises the first electronic proximity switch (91) be located on upper bracket (54) inwall and the first position limit switch baffle plate (92) be arranged on connecting sleeve (42).
7. ultrafast opening stop valve according to claim 6, is characterized in that: described secondary signal trigger mechanism comprises the second electronic proximity switch (93) be located on upper bracket (54) inwall and the second position limit switch baffle plate (94) be arranged on position-limit mechanism.
8. ultrafast opening stop valve according to claim 7, is characterized in that: described first electronic proximity switch (91) is identical to the distance of the second position limit switch baffle plate (94) with described second electronic proximity switch (93) to the distance of the first position limit switch baffle plate (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520030526.4U CN204420274U (en) | 2015-01-16 | 2015-01-16 | Ultrafast opening stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520030526.4U CN204420274U (en) | 2015-01-16 | 2015-01-16 | Ultrafast opening stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204420274U true CN204420274U (en) | 2015-06-24 |
Family
ID=53470645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520030526.4U Withdrawn - After Issue CN204420274U (en) | 2015-01-16 | 2015-01-16 | Ultrafast opening stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204420274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595556A (en) * | 2015-01-16 | 2015-05-06 | 浙江石化阀门有限公司 | Ultrafast-opening stop valve and method for opening and closing stop valve |
| CN109854766A (en) * | 2018-12-28 | 2019-06-07 | 天津市天飞海泰阀门有限公司 | A kind of flow control valve that can be closed with moment |
-
2015
- 2015-01-16 CN CN201520030526.4U patent/CN204420274U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595556A (en) * | 2015-01-16 | 2015-05-06 | 浙江石化阀门有限公司 | Ultrafast-opening stop valve and method for opening and closing stop valve |
| CN109854766A (en) * | 2018-12-28 | 2019-06-07 | 天津市天飞海泰阀门有限公司 | A kind of flow control valve that can be closed with moment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150624 Effective date of abandoning: 20170426 |