CN208281528U - One kind opening sealed stop valve fastly - Google Patents

Abstract

The utility model discloses one kind to open sealed stop valve, including valve seat, spool, valve deck and valve rod fastly, which is characterized in that is the conical surface at the valve seat and the liquid outlet of spool cooperation, the outer surface of spool is the tapered surface with cone match；The valve seat offers annular groove at the liquid outlet conical surface, and the sealing ring for being in contact with it cooperation is equipped in annular groove, and sealing ring upper surface is inverted cone surface, and lower end and bottom portion of groove are equipped with multiple compressed springs；The valve deck upper end is fixed with sealing device outside valve rod；The sealing device includes the cylinder being fixed on valve deck, is equipped with sealing ring in cylinder, and sealing ring is engaged with valve stem seal；The sealing ring outer surface is up-small and down-big tapered surface.The utility model is conducive to promote and apply.

Description

One kind opening sealed stop valve fastly

Technical field

The utility model relates to shut-off valve technical fields, open sealed stop valve fastly in particular to one kind.

Background technique

Sealed stop valve is opened fastly is widely used in the industry neck such as petroleum, chemical industry, power generation, papermaking, atomic energy, aviation, rocket In domain and daily life, for existing shut-off valve since long term wear leads to not be fully sealed, shut-off valve will lose control The effect shut off is made, unnecessary economy and property loss will be caused, or even cause unnecessary safety accident.

Utility model content

The purpose of this utility model is to provide one kind to open sealed stop valve fastly, so as to solve the deficiencies in the prior art.

To realize the utility model aim, the technical solution of use are as follows: one kind opens sealed stop valve, including valve seat, valve fastly Core, valve deck and valve rod, which is characterized in that be the conical surface at the valve seat and the liquid outlet of spool cooperation, the outer surface of spool be with The tapered surface of cone match；The valve seat offers annular groove at the liquid outlet conical surface, is equipped with and is in contact with it in annular groove The sealing ring of cooperation, sealing ring upper surface are inverted cone surface, and lower end and bottom portion of groove are equipped with multiple compressed springs；On the valve deck End is fixed with sealing device outside valve rod；The sealing device includes the cylinder being fixed on valve deck, is equipped with sealing in cylinder Circle, and sealing ring is engaged with valve stem seal；The sealing ring outer surface is up-small and down-big tapered surface；It is set in the cylinder There is throw-out collar, the periphery of throw-out collar and the inner headed face of cylinder are engaged, and the inner surface of throw-out collar is to match with the tapered surface of sealing ring The conical surface of conjunction；The cylinder upper end is equipped with lid；Spring is equipped between the external lid of the valve rod and throw-out collar；The valve deck upper end Sleeve is fixed with outside sealing device；The valve rod side is fixed with sliding block；The sleeve offers and sliding block cooperation Longitudinal chute；High-order sliding slot and the low level sliding slot below high-order sliding slot are offered on the sleeve；It is described a high position sliding slot and Low level sliding slot is communicated with longitudinal chute respectively.

Further, the cylinder and lid are detachably connected by screw.

Further, the cylinder is arranged in sleeve.

Further, the sliding block is slidably cooperatively connected with high-order sliding slot and low level sliding slot respectively.

Further, the valve rod is detachably connected with spool.

Further, the valve rod and spool are detachably connected by screw.

Further, the valve deck and valve seat are detachably connected by bolt.

Further, the sliding block and valve rod weld.

Further, the plane that the high-order sliding slot is formed is vertical with longitudinal chute.

Further, the plane that the low level sliding slot is formed is vertical with longitudinal chute.

Further, the valve rod upper end is equipped with handle.

It is had the advantages that using the utility model

The utility model first rotates to sliding block in longitudinal chute when needing opening stop valve, then by valve rod to Pull-up, valve rod band movable slider are moved upwards up at high-order sliding slot, rotate to sliding block in high-order sliding slot, to realize spool Move up opening shut-off valve.When needing to close shut-off valve, sliding block is rotated in longitudinal chute first, then by valve rod to Under push away, valve rod band movable slider be moved down at low level sliding slot, rotate to sliding block in low level sliding slot, realize spool it is downward Movement simultaneously seals cooperation with valve seat liquid outlet, to close shut-off valve.The utility model can fast implement shut-off valve opening or It closes.

The utility model pushes throw-out collar by spring, due to throw-out collar and sealing ring cone match, to make upper seal pressure Tight upper valve rod avoids the medium in valve seat from revealing along upper valve rod direction, it can be achieved that automatic compensation sealing.

The utility model acts in compressed spring, can make on annular ring when the liquid outlet of valve seat is engaged with spool The inverted cone surface at end is tightly attached on spool, to realize preferable sealing effect.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that one kind provided by the utility model opens sealed stop valve fastly；

Fig. 2 is the structural schematic diagram of sleeve；

Fig. 3 is the cooperation schematic diagram of valve seat and spool.

Specific embodiment

The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.

Fig. 1-3 is shown provided by the utility model opens sealed stop valve, including valve seat 1, spool 11, valve deck 2 and valve fastly Bar 5；It is the conical surface at the liquid outlet 101 that the valve seat 1 cooperates with spool 11, the outer surface of spool 11 is the taper with cone match Face；The valve seat 1 offers annular groove at the liquid outlet conical surface, is equipped with the sealing ring for being in contact with it cooperation in annular groove 13,13 upper surface of sealing ring is inverted cone surface, and lower end and bottom portion of groove are equipped with multiple compressed springs 12；2 upper end of valve deck exists Sealing device is fixed with outside valve rod 5；The sealing device includes the cylinder 3 being fixed on valve deck 2, is equipped with sealing in cylinder 3 Circle 16, and sealing ring 16 and the cooperation in sealing contact of valve rod 5；16 outer surface of sealing ring is up-small and down-big tapered surface；It is described Throw-out collar 9 is equipped in cylinder, the inner headed face of the periphery and cylinder 3 of throw-out collar 9 is engaged, and the inner surface of throw-out collar 9 is and sealing ring The conical surface that 16 tapered surface matches；3 upper end of cylinder is equipped with lid 4；It is set between the external lid 4 of the valve rod 5 and throw-out collar 9 There is spring 8；2 upper end of valve deck is fixed with sleeve 10 outside sealing device；5 side of valve rod is fixed with sliding block 7；Institute It states sleeve 10 and offers the longitudinal chute 6 cooperated with sliding block 7；High-order sliding slot 15 is offered on the sleeve 10 and is located at high-order sliding The low level sliding slot 14 of 15 lower section of slot；The high position sliding slot 15 and low level sliding slot 14 are communicated with longitudinal chute 6 respectively.

Cylinder 3 is detachably connected with lid 4 by screw；The cylinder 3 is arranged in sleeve 10；The sliding block 7 is distinguished It is slidably cooperatively connected with high-order sliding slot 15 and low level sliding slot 14；The valve rod 5 is detachably connected with spool 11；The valve rod 5 It is detachably connected with spool 11 by screw；The valve deck 2 is detachably connected with valve seat 1 by bolt；The sliding block 7 and valve rod 5 welding；The plane that the high position sliding slot 15 is formed is vertical with longitudinal chute 6；The plane and longitudinal direction that the low level sliding slot 14 is formed Sliding slot 6 is vertical；5 upper end of valve rod is equipped with handle.

The utility model first rotates to sliding block 7 in longitudinal chute 14 when needing opening stop valve, then by valve rod 5 pull up, and valve rod 5 is moved upwards up at high-order sliding slot 15 with movable slider 7, rotate to sliding block 7 in high-order sliding slot 15, from And it realizes spool 11 and moves up opening shut-off valve.When needing to close shut-off valve, sliding block 7 is rotated into longitudinal chute 6 first It is interior, then valve rod 5 is pushed down on, valve rod 5 is moved down at low level sliding slot 14 with movable slider 7, finally rotates to sliding block 7 low In the sliding slot 14 of position, realizes that spool 11 is moved down and sealed with valve seat liquid outlet 101 and cooperate, to close shut-off valve.This is practical It is novel to fast implement opening or closing for shut-off valve.

The utility model pushes throw-out collar 9 by spring 8, due to throw-out collar 9 and 16 cone match of sealing ring, to make sealing ring 16 compress upper valve rod 5, it can be achieved that automatic compensation sealing, avoids the medium in valve seat 1 from revealing along 5 direction of upper valve rod.

The utility model acts in compressed spring 12 when the liquid outlet 101 of valve seat is engaged with spool 11, can make ring The inverted cone surface of 13 upper end of shape sealing ring is tightly attached on spool 11, to realize preferable sealing effect.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. one kind opens sealed stop valve, including valve seat, spool, valve deck and valve rod fastly, which is characterized in that the valve seat is matched with spool It is the conical surface at the liquid outlet of conjunction, the outer surface of spool is the tapered surface with cone match；The valve seat is opened at the liquid outlet conical surface Equipped with annular groove, be equipped with the sealing ring for being in contact with it cooperation in annular groove, sealing ring upper surface is inverted cone surface, lower end with Bottom portion of groove is equipped with multiple compressed springs；The valve deck upper end is fixed with sealing device outside valve rod；The sealing device packet The cylinder being fixed on valve deck is included, is equipped with sealing ring in cylinder, and sealing ring is engaged with valve stem seal；Outside the sealing ring Surface is up-small and down-big tapered surface；Throw-out collar is equipped in the cylinder, the periphery of throw-out collar and the inner headed face of cylinder are engaged, The inner surface of throw-out collar is the conical surface matched with the tapered surface of sealing ring；The cylinder upper end is equipped with lid；The valve rod is external Spring is equipped between lid and throw-out collar；The valve deck upper end is fixed with sleeve outside sealing device；The valve rod side is fixed Equipped with sliding block；The sleeve offers the longitudinal chute with sliding block cooperation；High-order sliding slot is offered on the sleeve and is located at height Low level sliding slot below the sliding slot of position；The high position sliding slot and low level sliding slot are communicated with longitudinal chute respectively.

2. according to claim 1 open sealed stop valve fastly, it is characterised in that: the cylinder is removable by screw with lid Unload connection.

3. according to claim 1 open sealed stop valve fastly, it is characterised in that: the cylinder is arranged in sleeve.

4. according to claim 1 open sealed stop valve fastly, it is characterised in that: the sliding block respectively with high-order sliding slot and low Position sliding slot is slidably cooperatively connected.

5. according to claim 1 open sealed stop valve fastly, it is characterised in that: the valve rod is detachably connected with spool.

6. according to claim 1 open sealed stop valve fastly, it is characterised in that: the valve deck is removable by bolt with valve seat Unload connection.

7. according to claim 1 open sealed stop valve fastly, it is characterised in that: the sliding block and valve rod weld.

8. according to claim 1 open sealed stop valve fastly, it is characterised in that: the plane and indulge that the high position sliding slot is formed It is vertical to sliding slot.

9. according to claim 1 open sealed stop valve fastly, it is characterised in that: the plane and indulge that the low level sliding slot is formed It is vertical to sliding slot.

10. according to claim 1 open sealed stop valve fastly, it is characterised in that: the valve rod upper end is equipped with handle.