CN201731078U

CN201731078U - Rapid stop valve

Info

Publication number: CN201731078U
Application number: CN2009201813329U
Authority: CN
Inventors: 梁敬喜; 梁训水
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-13
Filing date: 2009-11-13
Publication date: 2011-02-02
Anticipated expiration: 2019-11-13

Abstract

An antitheft rapid stop valve is capable of being rapidly opened and closed. The technical scheme of the rapid stop valve includes that a hand wheel (1), a rotary rod (4), a valve stem (9) and a valve clack (10) are sequentially connected. A sealing cover (2) is connected with a valve body (12), and the rotary rod (4) is driven by the hand wheel (1) to lead the valve stem (9) and the valve clack (10) to ascend and descend. The rapid stop valve is characterized in that two symmetric lifting tracks (6) are arranged at a lifting position of the valve body (12), more than three arc flanges (14) arranged above an open-close opening evenly surround the inner wall of the valve body (12), and a mounting opening (15) is arranged on the periphery of an inflow connecting opening above the valve clack (10). A concave locking groove (16) is arranged at the upper end of the rotary rod (4), and a spiral track (18) is arranged at the lower end of the rotary rod (4). A spiral projection (19) is arranged on the inner wall of the valve stem (9), a convex lifting projection (7) is arranged on the outer wall of the valve stem (9), and the spiral projection (19) can be circular or rectangular or of a inner spiral type. The valve clack (10) is provided with more than three convex rotating projections (13) evenly distributed at the outer edge of the valve clack (10). A groove is arranged on the sealing cover (2), a lock bar (21) of an antitheft lock (5) penetrates through a slot (22) in the groove, and the antitheft lock (5) is inserted into the groove. The rapid stop valve effectively improves work efficiency, has the antitheft function, excellent sealing performance and pressure loss resistance, and is prolonged in service life.

Description

Speed controlling valve

Technical field

The utility model is a kind of speed controlling valve, and feature is fast and anti-theft feature without valve bonnet seal, opening and closing speed.

Technical background

Along with valve uses field and environment varied, during as the machinery that uses under petrochemical industry goods, urban sewage, volatile medium, the public environment and the medium that opens and closes important use, should be soon safety again.At present, in stop valve, because structural limitations, flap will seal with valve gap when mounted, and the manufacturing of valve gap and processing need the cost of a part; With the valve rod of thread type lifting, more than will changeing 45 circles at least, medium-sized or above latus rectum could open and close fully, and opening and closing speed is slower, and spended time is long; The flow resistance coefficient of stop valve is bigger, so the build-up of pressure loss; Under the state that no staff keeps an eye on or temporary needs is left, the economic loss that the medium in the valve exists stolen possibility and artificial switching consciously or unconsciously to cause.

In the patent 200810137864.2 that on July 5th, 2008, China announced, a kind of rapid spin valve is disclosed, has rapidly opened and closed function, it is that two tracks that rectangular is smooth that rotate under the vertical curve are set at the valve rod center, both sides, swing arm bottom are provided with cylinder, and the track in the described valve rod is on inwall, and the difficulty of manufacturing and polishing is big, needed cost height is unfavorable for business enterprise expand; Spool in this technology is from stretching in the valve body, and bore and spool equal and opposite in direction open and close mouth and be less than latus rectum.

Summary of the invention

In order to increase work efficiency, reduce manufacture cost, reduce the pressure loss, eliminate safe hidden trouble, the utility model provides a kind of does not need the valve gap installation, opening and closing speed is fast and the speed controlling valve of anti-theft feature.

The utility model is that handwheel, swing arm, valve rod and flap are linked to each other successively, and sealing cover is connected with valve body, drives swing arm by handwheel valve rod, flap lifting are opened and closed, and solves the design that its technical problem adopts:

1. be provided with the fluctuating orbit of two symmetries in valve body lifting place, be protruding or recessed track, be provided with the rotation space that the lifting projection rotates in track end, whole rail cooperates the lifting projection lifting rotation on the valve rod.The arc tongue that is provided with more than 3 above the keying mouth is looped around on the valve interior wall uniformly, the curved strip of this arc tongue, and the below tilts, and true dip direction is corresponding with rotation projection sense of rotation, flap is cooperated be close to sealing layer.On the connection bore that flows into above the flap, mount inlet is set, is laterally zygomorphic protrusion shape, make stretching into the valve body that flap can be vertical from mount inlet.

2. be provided with the spill locked groove in the swing arm upper end, the lower end is provided with the track that spirals, this revolves the rail dish is the projection that spirals that is provided with by valve rod inwall upper end, with the swing arm is axle, the track that inverted position turn formula forward or reverse rises forms the track that spirals, spiral track with spiral projection fluctuating orbit and lifting projection cooperate the extruding under, make the flap fast lifting.

3. be provided with the projection that spirals on the valve rod inwall, outer wall is provided with the lifting projection of protrusion, and the shape that this projection that spirals protrudes is that circle, rectangle or inner disc are rotating.Be evenly distributed on the flap outer at the rotation projection that is provided with protrusion more than 3 on the flap, after flap was reduced to sealing layer, the revolution space of setting can make rotation projection precession arc tongue below,

4. be provided with groove on sealing cover, pass in the slotted eye of lock rod from groove of burglarproof lock and be inserted in the groove, the lock rod of this burglarproof lock is provided with the second lock rod of protrusion.The rotation back second lock rod is transversal at slotted eye, and in sealing cover, needing key will lock excellent rotation could extract the lock rod from locked groove with swivel lever lock.

The utility model is provided with the track that spirals on swing arm, lifting projection and rotation projection are set on the valve rod, under the cooperation of fluctuating orbit flap is opened and closed fast, has improved the efficient of valve working greatly, and track is located on the swing arm manufacturing easily; Flap stretches into valve body from mount inlet, thereby has saved with needed material of valve bonnet seal and manufacture cost, and the keying mouth is the same with the latus rectum size; Burglarproof lock is arranged in the Baltimore groove on the sealing cover, simple and convenient, plug and play is not limited by valve size, burglarproof lock is malfunctioning can't be opened, can unload handwheel,, not influence the normal use of valve according to disconnected lock rod, easy to maintenance, practicability and high safety, and cost is low, provides safer environment to valve; Arc tongue, revolution space are set in valve body, the rotation projection is set on the flap, the arc tongue has been played be close to the function of sealing and compressive resistance, prolonged the working life of valve.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further specified.

Fig. 1 is the sectional view of first kind of mode of execution of the utility model.

Fig. 2 is the stereogram of valve rod and flap among Fig. 1.

Fig. 3 is the schematic representation that the hatching line of I-I shown in Fig. 1 is overlooked revolving grate, valve rod, flap and arc tongue

Fig. 4 is a mount inlet II-II sectional view among Fig. 1.

Fig. 5 is burglarproof lock and a sealing cover structural drawing in the utility model.

Fig. 6 is the sectional view of second kind of mode of execution of the utility model.

Fig. 7 is the stereogram of swing arm in the utility model.

Shown in the figure, 1. handwheel, 2. sealing cover, 3. sealing material, 4. swing arm, 5. burglarproof lock, 6. fluctuating orbit, 7. lifting projection, 8. rotation space, 9. valve rod, 10. flap, 11. sealing layers, 12. valve body, 13. rotation projections, 14. arc tongues, 15. mount inlets, 16. locked groove, 17. retainer rings, 18. tracks that spiral, 19. projections that spiral, 20. the second lock rod, 21. lock rods, 22. slotted eyes.

Embodiment

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 7, handwheel 1, swing arm 4, valve rod 9 and flap 10 link to each other successively, and sealing cover 2 is connected with valve body 12, drive swing arm 4 by handwheel 1 valve rod 9, flap 10 liftings are opened and closed.In valve body 12, be provided with the fluctuating orbit 6 of two protruding or recessed symmetries, this track end is a rotation space 8, valve rod 9 outer walls be provided with in one pair big outside the lifting projection 7 of little protrusion, protruding the surface can be circular arc or rectangle, described lifting projection 7 drives valve rod 9 liftings on fluctuating orbit 6, can rotate to an angle when reducing to the rotation space of track end; The arc tongue 14 that is provided with more than 3 above the keying mouth is looped around on valve body 12 inwalls uniformly, these arc tongue 14 camber strips, and the below tilts, and true dip direction is corresponding with rotation projection 19 sense of rotation.

In Fig. 2, Fig. 3 and Fig. 7, be provided with locked groove 16, retainer ring 17 and the track 18 that spirals on the swing arm 4 extremely down successively, retainer ring 17 is placed on the groove between sealing cover 2 and the valve body 12, the track 18 that spirals under the described retainer ring 17 is the projections 19 that spiral that are provided with by valve rod 9 inwalls upper end, with the swing arm is axle, the track that inverted position turn formula forward or reverse rises forms the track that spirals, the described projection 19 that spirals can spiral up and down in the track 18 that spirals, and it protrudes shape can be that circle, rectangle or inner disc are rotating.

During valve closing, rotate swing arm 4 by handwheel 1, swing arm 4 drives valve rod 9, valve rod 9 is subjected to stopping of both sides fluctuating orbit 6 and the track 18 of spiraling is downward spiral extruding and to decline, flap 10 also downwards will together, after flap 10 is reduced to sealing layer 11, lifting projection 7 on the valve rod 9 is also reduced to rotation space 8 fully, this moment, swing arm 4 drive valve rods 9 and flap 10 rotated, and flap 10 is provided with rotation projection 13, also will change arc tongue 14 belows over to, under the effect of tilting, flap 10 is also all the more tight with sealing layer 11, during unlatching, handwheel 1 opposite spin is after flap 10 produces arc tongue 14, the extruding of spiraling that lifting projection 7 is subjected to stopping of fluctuating orbit 6 and the track 18 that spirals makes progress, flap 10 rises and opens.

Installation process of the present utility model is: stretch into swing arm 4 in the valve body 12 from the groove of lifting pipeline, valve rod 9 15 stretches into valve body 12 from mount inlet, the projection 19 that spirals on valve rod 9 inwalls docks with the track 18 that spirals of swing arm 4 lower ends enters the orbit, fluctuating orbit 6 in lifting projection 7 on valve rod 9 outer walls and the valve body 12 docks enters the orbit, valve rod 9 is gone up half, flap 10 stretches into from mount inlet 15, flap 10 aligns with valve rod 9 and is threaded, connect from the side tightly with screw again, then sealing material being filled out 3 goes in the sealing cover 2, it is tight with valve body 12 bolts to pass swing arm 4, the surface of contact washer sealing, and last handwheel 1 is tight with swing arm 4 bolts.When burglarproof lock 5 uses, be inserted in the groove of sealing cover 2, pass in the slotted eye 22 of circular lock rod 21 from groove, in the spill locked groove, on lock rod 21, be provided with the second lock rod 20 of protrusion, behind the key rotation lock rod 21 on the insertion swing arm 4, lock rod 21 on the burglarproof lock 5 has just pinned swing arm 4, when unblanking, the reversing key is extracted burglarproof lock 5 and is got final product.

In Fig. 4, above-mentioned mount inlet 15 is laterally zygomorphic protrusion shape, and what flap 10 can be vertical stretches in the valve body 12 from mount inlet 15.

Fig. 6's is the sectional view of second kind of mode of execution of the present utility model, distinguishes with first kind of mode to be: do not establish revolution space 8 and arc tongue 14 in the valve body 12, flap 10 is not provided with

rotation projection

13, and 4 of swing arms drive valve rod 9 and flap 10 liftings open and close.

Flap 10 in two kinds of mode of executions of the present utility model can be made with metallic material, also can serve as a contrast the last layer jelly from the teeth outwards, makes the line with rubber flap.

Claims

1. speed controlling valve, it is that handwheel (1), swing arm (4), valve rod (9), flap (10) are linked in sequence, sealing cover (2) is connected with valve body (12), drive swing arm (4) by handwheel (1) and make valve rod (9), flap (10) lifting, it is characterized in that: described valve body (12) is provided with the fluctuating orbit (6) of two symmetries in lifting place, the arc tongue (14) that is provided with more than 3 above the keying mouth is looped around on valve body (12) inwall uniformly, on the connection bore of flap (10) top inflow mount inlet (15) is set; Described swing arm (4) upper end is provided with spill locked groove (16), and the lower end is provided with the track that spirals (18); Described valve rod (9) inwall is provided with the projection that spirals (19), and outer wall is provided with the lifting projection (7) of protrusion, and the shape that this projection that spirals (19) protrudes is that circle, rectangle or inner disc are rotating; Described flap (10) has the rotation projection (13) that protrudes more than 3 to be evenly distributed on flap (10) outer; Described sealing cover (2) is provided with groove, passes in the slotted eye (22) of the lock rod (21) of burglarproof lock (5) from groove, and burglarproof lock (5) is inserted in the groove.

2. according to the described speed controlling valve of claim 1, it is characterized in that: described fluctuating orbit (6) is protruding or recessed track, be provided with the rotation space (8) that lifting projection (7) rotates in track end, whole rail cooperates lifting projection (7) the lifting rotation on the valve rod (9).

3. according to the described speed controlling valve of claim 1, it is characterized in that: described arc tongue (14) camber strip, the below tilts, and true dip direction is corresponding with rotation projection (19) sense of rotation.

4. according to the described speed controlling valve of claim 1, it is characterized in that: the described rail dish (8) that spirals is the projection that spirals (19) that is provided with by valve rod (9) inwall upper end, is axle with swing arm (4), and the track that inverted position turn formula forward or reverse rises forms the track that spirals.

5. according to the described speed controlling valve of claim 1, it is characterized in that: described mount inlet (15) is laterally zygomorphic protrusion shape, and what flap (10) can be vertical stretches into the valve body (12) from mount inlet (15).

6. according to the described speed controlling valve of claim 1, it is characterized in that: described burglarproof lock (5) is provided with the second lock rod (20) of protrusion on lock rod (21).