CN214743477U

CN214743477U - High-sealing spherical stop valve capable of preventing misoperation

Info

Publication number: CN214743477U
Application number: CN202120904343.6U
Authority: CN
Inventors: 景根兴; 陈燕
Original assignee: Yangzhou Hantai Machinery Co ltd
Current assignee: Yangzhou Hantai Machinery Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-16
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a prevent high sealed globe stop valve of maloperation, which comprises a valve body, swing joint has spherical case in the valve body, spherical case outside fixedly connected with rubber pad, upside swing joint has the valve rod in the valve body, up install first sealing washer and gland in proper order down in the valve rod outside, valve rod upper end outside fixedly connected with twist grip, the preceding screw hole has been seted up to valve body upper end front side, twist grip upper end swing joint has the detachable handle, bilateral symmetry's second sealing washer is installed to the valve body inboard, the limbers that link up around seting up on the spherical case. The utility model provides a current spherical stop valve have the sealing washer easy wear, the leakproofness variation, and the handle is easy by the maloperation to required power is great when the handle rotates, operates inconvenient problem, should prevent the high sealed spherical stop valve of maloperation, possesses the high advantage with difficult maloperation of leakproofness, has improved the practicality of stop valve.

Description

High-sealing spherical stop valve capable of preventing misoperation

Technical Field

The utility model relates to a stop valve technical field specifically is a prevent high sealed spherical stop valve of maloperation.

Background

The stop valve is a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak, the opening and closing part of the stop valve is a plug-shaped valve clack, and the full opening position of the stop valve is determined by the stroke of the valve clack.

The stop valve is one of the most widely used valves, which is popular because of the small friction between sealing surfaces in the opening and closing process, the durability, the small opening height, the easy manufacture, the convenient maintenance, the suitability for middle and low pressure, and the suitability for high pressure, but the existing spherical stop valve has the defects that the sealing ring is easy to wear, the sealing performance is deteriorated along with the time advance, the functions of conveying, stopping, adjusting and the like of a medium cannot be ensured, the handle is easy to be operated by mistake, the normal use of the stop valve is influenced, the force required when the handle rotates is large, and the operation is inconvenient, and the practicability of the stop valve is reduced.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model aims to provide a prevent high sealed spherical stop valve of maloperation possesses the high and difficult advantage of maloperation of leakproofness, has solved the easy wearing and tearing of current stop valve sealing washer, can't guarantee the medium carry, function such as end, regulation, and the handle is the problem of maloperation easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent high sealed spherical stop valve of maloperation, includes the valve body, swing joint has spherical case in the valve body, spherical case outside fixedly connected with rubber pad, upside swing joint has the valve rod in the valve body, install first sealing washer and gland from up down in proper order in the valve rod outside, valve rod upper end outside fixedly connected with twist grip, screw hole before valve body upper end front side is opened and is equipped with, side screw hole has been seted up on valve body upper end right side, twist grip upper end swing joint has the detachable handle, bilateral symmetry's second sealing washer is installed to the valve body inboard, the limbers that link up around seting up on the spherical case.

As the utility model discloses preferred, the valve rod lower extreme links to each other with spherical case upper end, the second sealing washer is connected with the rubber pad block, and rubber pad and the laminating of valve body inner wall, the rubber pad surface is smooth level and smooth.

As the utility model discloses it is preferred, positioning channel groove has all been seted up to the twist grip left and right sides, can dismantle handle lower extreme fixedly connected with bilateral symmetry's positioning fixture block, positioning fixture block is square structure, and positioning fixture block's the thickness that highly is greater than twist grip.

As the utility model discloses it is preferred, the fault-tolerant touch panel is prevented to twist grip lower extreme fixedly connected with, set up the location screw hole on the fault-tolerant touch panel, location screw hole and side screw hole female connection have the hand to twist the bolt.

As the utility model discloses it is preferred, the equal fixedly connected with business turn over liquid mouth in both ends about the valve body, flange is installed in the business turn over liquid mouth outside, the last mounting hole of offering annular equidistance and distributing of flange.

As the utility model discloses preferred, side screw hole and preceding screw hole are the same specification, and the contained angle between side screw hole and preceding screw hole is 90 degrees.

Preferably, the inner diameter of the second sealing ring, the inner diameter of the liquid inlet and outlet and the diameter of the water through hole are equal.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the valve body, spherical case, the rubber pad, the valve rod, first sealing washer, the gland, twist grip, preceding screw hole, the side screw hole, can dismantle the handle, second sealing washer and limbers, it has the sealing washer to wear and tear to have solved current spherical stop valve, along with the propulsion of time, the leakproofness variation, can't guarantee the transport of medium, stop, adjust the isofunction, and the handle is easily by the maloperation, influence the normal use of stop valve, and required power is great when the handle rotates, the inconvenient problem of operation, this prevent the high sealed spherical stop valve of maloperation, possess the high advantage of and difficult maloperation of leakproofness, the practicality of stop valve has been improved.

2. The utility model discloses a cooperation of rubber pad and second sealing washer is used, carries out double seal, effectively delays the wear rate of rubber pad and second sealing washer, effectively improves the durability of stop valve, effectively guarantees the normal use of stop valve, reduces the frequency of maintenance or change, reduce cost.

3. The utility model discloses a prevent mistake touch panel, positioning screw hole, hand and twist bolt, preceding screw hole and side screw hole's cooperation and use, the position of pairing rotation handle is fixed, prevents the condition of maloperation, and the practicality is stronger, and the detachable handle who sets up, and the pairing rotation handle of being convenient for prolongs, and the switch of the stop valve of being convenient for is more laborsaving.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a valve body; 2. a spherical valve core; 3. a rubber pad; 4. a valve stem; 5. a first seal ring; 6. a gland; 7. rotating the handle; 8. a front threaded hole; 9. a side threaded bore; 10. a detachable handle; 11. a second seal ring; 12. a water through hole; 13. positioning the clamping groove; 14. positioning a fixture block; 15. a false touch prevention plate; 16. positioning the threaded hole; 17. screwing the bolt by hand; 18. a liquid inlet and outlet; 19. a connecting flange; 20. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the utility model provides a pair of prevent high sealed spherical stop valve of maloperation, including valve body 1, swing joint has spherical case 2 in the

valve body

1, 2 outside fixedly connected with rubber pads 3 of spherical case, upside swing joint has valve rod 4 in the valve body 1, install first sealing washer 5 and gland 6 from up in proper order down in the valve rod 4 outside, 4 upper end outside fixedly connected with twist grip 7 of valve rod, screw hole 8 before the division is equipped with in 1 upper end front side of valve body, side screw hole 9 has been seted up on 1 upper end right side of valve body, twist grip 7 upper end swing joint has detachable handle 10, bilateral symmetry's second sealing washer 11 is installed to 1 inboard of valve body, spherical case 2 is last to set up the limbers 12 that link up from beginning to end.

Referring to fig. 3, the lower end of the valve rod 4 is connected with the upper end of the spherical valve core 2, the second sealing ring 11 is connected with the rubber pad 3 in a clamping manner, the rubber pad 3 is attached to the inner wall of the valve body 1, and the surface of the rubber pad 3 is smooth and flat.

As a technical optimization scheme of the utility model, through setting up rubber pad 3, strengthen the leakproofness in the stop valve, improve spherical case 2's wearability.

Referring to fig. 1, the left side and the right side of the rotating handle 7 are both provided with positioning clamping grooves 13, the lower end of the detachable handle 10 is fixedly connected with positioning clamping blocks 14 which are bilaterally symmetrical, the positioning clamping blocks 14 are of a square structure, and the height of the positioning clamping blocks 14 is greater than the thickness of the rotating handle 7.

As a technical optimization scheme of the utility model, use through the cooperation of positioning fixture block 14 and positioning groove 13, be convenient for extend to twist grip 7, the operation of being convenient for, and ensure twist grip 7 and can dismantle the fastness of connecting between handle 10.

Referring to fig. 4, the lower end of the rotating handle 7 is fixedly connected with an anti-misoperation touch plate 15, a positioning threaded hole 16 is formed in the anti-misoperation touch plate 15, and a hand-screwed bolt 17 is connected with the positioning threaded hole 16 and the side threaded hole 9 in an internal thread manner.

As a technical optimization scheme of the utility model, the cooperation of screwing bolt 17 and location screw hole 16 through the hand is used, fixes twist grip 7 to avoid the maloperation, improve the security of using.

Referring to fig. 1, both ends are all fixedly connected with business turn over liquid mouth 18 about valve body 1, and business turn over liquid mouth 18 outside is installed and is connected flange 19, and the last mounting hole 20 of seting up annular equidistance and distributing of connecting flange 19.

As a technical optimization scheme of the utility model, through setting up flange 19, the erection joint of the stop valve of being convenient for.

Referring to fig. 1, the side screw hole 9 and the front screw hole 8 have the same specification, and an included angle between the side screw hole 9 and the front screw hole 8 is 90 degrees.

As the utility model discloses a technical optimization scheme, through the design of side screw hole 9 and preceding screw hole 8, be convenient for fix at different positions swivelling handle 7, the protectiveness is more comprehensive.

Referring to fig. 2, the inner diameter of the second packing 11, the inner diameter of the liquid inlet/outlet 18, and the diameter of the water passage hole 12 are equal.

As a technical optimization scheme of the utility model, use through the cooperation of second sealing washer 11, business turn over liquid mouth 18 and limbers 12, ensure that the stop valve realizes carrying, functions such as ending, regulation, and the pipeline when just carrying is more unobstructed.

The utility model discloses a theory of operation and use flow: when in use, the valve body 1 is connected with corresponding pipelines through the connecting flange 19 and the mounting hole 20, when the conveying is needed, the hand-screwed bolts 17 in the side threaded holes 9 and the positioning threaded holes 16 are loosened, then the rotating handle 7 is rotated by 90 degrees, when the rotating handle 7 is not rotated, the detachable handle 10 is taken down, the positioning fixture block 14 is moved out of the positioning fixture groove 13, the positioning fixture block 14 at the left end of the detachable handle 10 is inserted into the positioning fixture groove 13 at the right side of the rotating handle 7, then the detachable handle 10 is rotated, the valve rod 4 drives the spherical valve core 2 and the rubber pad 3 to rotate, the water through hole 12 is aligned with the liquid inlet and outlet 18, the medium is discharged from the liquid inlet and outlet 18 at one side through the water through hole 12 and then from the liquid inlet and outlet 18 at the other side, then, the hand-screwed bolt 17 is screwed into the front threaded hole 8, so that the position of the rotary handle 7 is ensured to be unchanged, and the condition of misoperation is avoided, and the normal use of the stop valve is prevented from being influenced.

In summary, the following steps: this prevent high sealed spherical stop valve of maloperation, through setting up valve body 1, spherical case 2, rubber pad 3, valve rod 4, first sealing washer 5, gland 6, twist grip 7, preceding screw hole 8, side screw hole 9, can dismantle handle 10, second sealing washer 11 and limbers 12, it has the sealing washer easy wearing and tearing to have solved current spherical stop valve, along with the propulsion of time, the leakproofness worsens, can't guarantee the transport of medium, stop, functions such as regulation, and the handle is easy by the maloperation, influence the normal use of stop valve, and required power is great when the handle rotates, the inconvenient problem of operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent spherical stop valve of high seal of maloperation, includes the valve body, its characterized in that: the improved valve is characterized in that a spherical valve core is movably connected in the valve body, a rubber pad is fixedly connected to the outer side of the spherical valve core, a valve rod is movably connected to the inner upper side of the valve body, a first sealing ring and a gland are sequentially installed on the outer side of the valve rod from bottom to top, a rotating handle is fixedly connected to the outer side of the upper end of the valve rod, a front threaded hole is formed in the front side of the upper end of the valve body, a side threaded hole is formed in the right side of the upper end of the valve body, a detachable handle is movably connected to the upper end of the rotating handle, a second sealing ring which is symmetrical in the left and right is installed on the inner side of the valve body, and a water through hole which is communicated with the front portion and the rear portion is formed in the spherical valve core.

2. The high-sealing spherical stop valve capable of preventing misoperation according to claim 1, is characterized in that: the lower end of the valve rod is connected with the upper end of the spherical valve core, the second sealing ring is connected with the rubber pad in a clamping mode, the rubber pad is attached to the inner wall of the valve body, and the surface of the rubber pad is smooth and flat.

3. The high-sealing spherical stop valve capable of preventing misoperation according to claim 1, is characterized in that: positioning clamping grooves are formed in the left side and the right side of the rotating handle, positioning clamping blocks which are symmetrical left and right are fixedly connected to the lower end of the detachable handle, the positioning clamping blocks are of square structures, and the height of each positioning clamping block is larger than the thickness of the rotating handle.

4. The high-sealing spherical stop valve capable of preventing misoperation according to claim 1, is characterized in that: the anti-misoperation device is characterized in that an anti-misoperation touch plate is fixedly connected to the lower end of the rotating handle, a positioning threaded hole is formed in the anti-misoperation touch plate, and a hand-screwed bolt is connected to the positioning threaded hole and the side threaded hole in an internal thread manner.

5. The high-sealing spherical stop valve capable of preventing misoperation according to claim 1, is characterized in that: the equal fixedly connected with business turn over liquid mouth in both ends about the valve body, flange is installed in the business turn over liquid mouth outside, flange is last to set up the mounting hole that annular equidistance distributes.

6. The high-sealing spherical stop valve capable of preventing misoperation according to claim 1, is characterized in that: the side threaded hole and the front threaded hole are in the same specification, and an included angle between the side threaded hole and the front threaded hole is 90 degrees.

7. The high-sealing spherical stop valve capable of preventing misoperation according to claim 5, wherein: the inner diameter of the second sealing ring, the inner diameter of the liquid inlet and outlet and the diameter of the water through hole are equal.