CN218913785U

CN218913785U - Anti-scouring stop valve

Info

Publication number: CN218913785U
Application number: CN202320073105.4U
Authority: CN
Inventors: 林小强
Original assignee: Fujian Hesheng Valve Co ltd
Current assignee: Fujian Hesheng Valve Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-04-25
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a scour prevention stop valve which comprises a stop valve body, wherein the top of the stop valve body is clamped with a valve cover body, the top of the valve cover body is fixedly connected with a threaded block, the inner cavity of the threaded block is in threaded connection with a threaded rod, and the top of the threaded rod is fixedly connected with a knob. According to the utility model, the first clamping groove, the box body, the fixed plate, the first spring, the movable plate, the first clamping block, the pull rod, the pull plate, the second clamping groove, the second spring, the connecting block, the second clamping block, the sealing ring, the sliding groove and the sliding block are mutually matched, so that the advantage of convenient disassembly and maintenance of the anti-scouring stop valve is achieved, the clamping block can be directly pulled out to take off the valve cover when the anti-scouring stop valve breaks down, the direct maintenance of the anti-scouring stop valve by workers is facilitated, the problem that time and labor are wasted when workers use tools and disassemble a large number of bolts is avoided, and the maintenance difficulty of the anti-scouring stop valve is reduced.

Description

Anti-scouring stop valve

Technical Field

The utility model relates to the technical field of stop valves, in particular to a scour prevention stop valve.

Background

The stop valve is also called a stop valve, and belongs to a forced sealing valve, so that when the valve is closed, pressure is applied to a valve clack to force a sealing surface not to leak, when a medium enters the valve from the lower part of the valve clack, the resistance which needs to be overcome by the operation force is the friction force of a valve rod and a filler and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve, so that the diameter of the valve rod is larger, otherwise, the valve rod is subject to bending fault, and the valve rod is divided into three types according to the connection mode: flange connection, screw thread connection and welding connection.

The current anti-scour stop valve does not have the function of convenient dismantlement maintenance at present, leads to the anti-scour stop valve when breaking down, needs the workman to dismantle a large amount of bolts with the help of the instrument, causes the workman to dismantle the anti-scour stop valve and appears the condition that wastes time and energy easily, has increased the maintenance degree of difficulty of anti-scour stop valve, consequently we provide an anti-scour stop valve to solve above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a scour prevention stop valve, which has the advantage of convenient disassembly and maintenance of the scour prevention stop valve, and solves the problem that when the existing scour prevention stop valve fails, workers need to use tools and disassemble a large number of bolts, so that the labor and time are wasted when the workers disassemble the scour prevention stop valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-scour stop valve, includes the stop valve body, the top joint of stop valve body has the valve gap body, the top fixedly connected with screw thread piece of valve gap body, the inner chamber threaded connection of screw thread piece has the threaded rod, the top fixedly connected with knob of threaded rod, the bottom of threaded rod runs through to the inner chamber of stop valve body and fixedly connected with movable plate, the bottom fixedly connected with sealing flap of movable plate, the surface of movable plate and sealing flap all contacts with the inner wall of stop valve body, first draw-in groove has all been seted up at the top of stop valve body both sides, the equal fixed mounting in both sides of valve gap body has the box, the equal fixedly connected with fixed plate in top and bottom of box inner wall, the inboard fixedly connected with first spring of fixed plate, the inner fixedly connected with fly leaf of first spring, the inner end of first fixture block runs through to the inner chamber of first draw-in groove, the center department fixedly connected with pull rod in the movable plate outside, the outer end of outer box is connected with the second draw-in groove, the bottom fixedly connected with second draw-in groove, the top of second draw-in groove is connected with the second inner wall, the top of second draw-in groove is connected with the second side fixedly connected with top of the second draw-in groove.

As the preferable scheme, the center department bonding of valve gap body inner wall bottom is connected with the sealing washer, the inner wall of sealing washer contacts with the surface of threaded rod, the surface of sealing washer contacts with the inner wall of stop valve body.

As the preferable scheme, the top and the bottom of the inner wall of the box body are both provided with sliding grooves, the inner cavity of each sliding groove is connected with a sliding block in a sliding manner, and the inner side of each sliding block is fixedly connected with the surface of the movable plate.

As the preferable scheme, the top and the bottom of the box body are fixedly connected with mounting blocks, and the outer sides of the mounting blocks are fixedly mounted with the surface of the valve cover body through bolts.

As the preferred scheme, the first through groove has all been seted up to the top and the bottom of valve gap body both sides, the second through groove has all been seted up to the top and the bottom of box inboard, and the diameter of first through groove and second through groove inner chamber all is greater than the diameter of first fixture block.

As the preferable scheme, the outside of box has seted up the third and has run through the groove, and the diameter of the third run through the groove inner chamber is greater than the diameter of pull rod.

As a preferable scheme, a through groove is formed in the top of the box body, and an inner cavity of the through groove is slidably connected with the surface of the second clamping block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the first clamping groove, the box body, the fixed plate, the first spring, the movable plate, the first clamping block, the pull rod, the pull plate, the second clamping groove, the second spring, the connecting block, the second clamping block, the sealing ring, the sliding groove and the sliding block are mutually matched, so that the advantage of convenient disassembly and maintenance of the anti-scouring stop valve is achieved, the clamping block can be directly pulled out to take off the valve cover when the anti-scouring stop valve breaks down, the direct maintenance of the anti-scouring stop valve by workers is facilitated, the problem that time and labor are wasted when workers use tools and disassemble a large number of bolts is avoided, and the maintenance difficulty of the anti-scouring stop valve is reduced.

2. According to the utility model, the sealing ring is arranged to seal the gap among the stop valve body, the valve cover body and the threaded rod, so that the tightness of the inner cavity of the stop valve body is increased, the movable plate is stabilized in moving, the stability of the movable plate in moving is increased, the mounting block and the bolt are arranged to facilitate mounting and dismounting of the box body, the first clamping block is conveniently moved by arranging the first through groove and the second through groove, the pull rod is conveniently moved by arranging the third through groove, and the second clamping block is conveniently moved by arranging the through groove.

Drawings

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

FIG. 2 is a cross-sectional view of the front structure of the present utility model;

FIG. 3 is an enlarged sectional view of the internal structure of the case of the present utility model;

fig. 4 is an enlarged view of a portion of fig. 2 a in accordance with the present utility model.

In the figure: 1. a shutoff valve body; 2. a valve cover body; 3. a screw block; 4. a threaded rod; 5. a knob; 6. a moving plate; 7. a sealing valve flap; 8. a first clamping groove; 9. a case; 10. a fixing plate; 11. a first spring; 12. a movable plate; 13. a first clamping block; 14. a pull rod; 15. pulling a plate; 16. a second clamping groove; 17. a second spring; 18. a connecting block; 19. a second clamping block; 20. a seal ring; 21. a chute; 22. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a scour prevention stop valve comprises a stop valve body 1, a valve cover body 2 is clamped at the top of the stop valve body 1, a threaded block 3 is fixedly connected at the top of the valve cover body 2, a threaded rod 4 is connected in an inner cavity of the threaded block 3 in a threaded manner, a knob 5 is fixedly connected at the top of the threaded rod 4, the bottom of the threaded rod 4 penetrates through the inner cavity of the stop valve body 1 and is fixedly connected with a movable plate 6, a sealing valve clack 7 is fixedly connected at the bottom of the movable plate 6, the surfaces of the movable plate 6 and the sealing valve clack 7 are contacted with the inner wall of the stop valve body 1, first clamping grooves 8 are formed at the tops of two sides of the stop valve body 1, a box 9 is fixedly arranged at the two sides of the valve cover body 2, a fixed plate 10 is fixedly connected at the top and the bottom of the inner wall of the box 9, a first spring 11 is fixedly connected at the inner side of the fixed plate 10, a movable plate 12 is fixedly connected at the inner end of the first spring 11, the top and the bottom of fly leaf 12 inboard all fixedly connected with first fixture block 13, the inner of first fixture block 13 runs through to the inner chamber of first draw-in groove 8, the center department fixedly connected with pull rod 14 in the outside of fly leaf 12, the outer end of pull rod 14 runs through to the outside of box 9 and fixedly connected with pull plate 15, second draw-in groove 16 has all been seted up to the both sides at pull rod 14 top, the top fixedly connected with second spring 17 of box 9 inner wall, the bottom fixedly connected with connecting block 18 of second spring 17, the inboard fixedly connected with second fixture block 19 of connecting block 18, the top of second fixture block 19 runs through to the top of box 9, the bottom of second fixture block 19 runs through to the inner chamber of pull rod 14, through setting up first draw-in groove 8, box 9, fixed plate 10, first spring 11, fly leaf 12, first fixture block 13, pull rod 14, pull plate 15, second draw-in groove 16-, the second spring 17, the connecting block 18, the second clamping block 19, the sealing ring 20, the sliding groove 21 and the sliding block 22 are mutually matched, so that the advantage of convenient disassembly and maintenance of the anti-scouring stop valve is achieved, the clamping block can be directly pulled out to take off the valve cover when the anti-scouring stop valve fails, a worker can conveniently and directly maintain the anti-scouring stop valve, the problem that time and labor are wasted when the worker needs to use tools and disassemble a large number of bolts is avoided, and the maintenance difficulty of the anti-scouring stop valve is reduced.

The center department bonding of valve gap body 2 inner wall bottom is connected with sealing washer 20, and the inner wall of sealing washer 20 contacts with the surface of threaded rod 4, and the surface of sealing washer 20 contacts with the inner wall of stop valve body 1.

Through above-mentioned technical scheme, through setting up sealing washer 20, play sealed effect to the gap between stop valve body 1, valve gap body 2 and the threaded rod 4, increased the leakproofness of stop valve body 1 inner chamber.

The top and the bottom of the inner wall of the box body 9 are both provided with a sliding groove 21, the inner cavity of the sliding groove 21 is connected with a sliding block 22 in a sliding way, and the inner side of the sliding block 22 is fixedly connected with the surface of the movable plate 12.

Through above-mentioned technical scheme, through setting up spout 21 and slider 22, play the stable effect when moving to fly leaf 12, increased the stability when moving of fly leaf 12.

The top and the bottom of box 9 all fixedly connected with installation piece, and the outside of installation piece passes through the fixed surface installation of bolt and valve gap body 2.

Through above-mentioned technical scheme, through setting up installation piece and bolt, play the effect of easy to assemble and convenient dismantlement to box 9.

The top and the bottom of valve gap body 2 both sides all have seted up first through groove, and the second through groove has all been seted up to the top and the bottom of box 9 inboard, and the diameter of first through groove and second through groove inner chamber all is greater than the diameter of first fixture block 13.

Through the above technical scheme, through setting up first groove and the second groove of running through, play the effect of convenient removal to first fixture block 13.

A third through groove is formed in the outer side of the box body 9, and the diameter of the inner cavity of the third through groove is larger than that of the pull rod 14.

Through the above technical scheme, through setting up the third and run through the groove, play the effect of convenient removal to pull rod 14.

The top of the box body 9 is provided with a through groove, and the inner cavity of the through groove is in sliding connection with the surface of the second clamping block 19.

Through the above technical scheme, through the arrangement of the through groove, the second clamping block 19 is conveniently moved.

The working principle of the utility model is as follows: during disassembly and maintenance, the second clamping block 19 is pulled firstly, the second clamping block 19 moves to leave the inner cavity of the second clamping groove 16, meanwhile, the second clamping block 19 moves to drive the connecting block 18 to be extruded towards the second spring 17, then the pull plate 15 is pulled, the pull plate 15 moves to drive the pull rod 14 to start moving, the pull rod 14 moves to drive the movable plate 12 to be extruded towards the first spring 11, the movable plate 12 moves to drive the sliding block 22 to slide in the inner cavity of the sliding groove 21, meanwhile, the movable plate 12 moves to drive the first clamping block 13 to leave the inner cavity of the first clamping groove 8, then the knob 5 is pulled upwards, the knob 5 moves to drive the threaded rod 4 to start moving, the threaded rod 4 moves to drive the movable plate 6 and the sealing valve clack 7 to leave the inner cavity of the stop valve body 1, meanwhile, the threaded block 3 leaves the top of the stop valve body 1, the sealing ring 20 leaves the inner cavity of the stop valve body 1, then workers directly maintain the movable plate 6 and the sealing valve clack 7, the clamping block can be pulled out directly to take down, the valve cover is convenient for workers to directly maintain the stop flushing valve by means of tools and a large amount of bolts, the workers are avoided, the problem of time and labor is solved, the difficulty in maintaining the stop valve is reduced, and the stop valve is convenient to disassemble and stop valve is convenient.

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

Claims

1. The utility model provides a scour prevention stop valve, includes stop valve body (1), its characterized in that: the top joint of stop valve body (1) has valve gap body (2), the top fixedly connected with screw thread piece (3) of valve gap body (2), the inner chamber threaded connection of screw thread piece (3) has threaded rod (4), the top fixedly connected with knob (5) of threaded rod (4), the bottom of threaded rod (4) runs through to the inner chamber of stop valve body (1) and fixedly connected with movable plate (6), the bottom fixedly connected with sealing valve clack (7) of movable plate (6), the surface of movable plate (6) and sealing valve clack (7) all contacts with the inner wall of stop valve body (1), first draw-in groove (8) have all been seted up at the top of stop valve body (1) both sides, the equal fixedly connected with box (9) in both sides of valve gap body (2), the top and the equal fixedly connected with fixed plate (10) in bottom of box (9) inner wall, the inboard fixedly connected with first spring (11) of fixed plate (10), the inner end fixedly connected with sealing valve clack (12) of first spring (6), the inner end fixedly connected with movable plate (12) and the inner end (12) of a draw-in groove (13) of first clamping rod (13) are located in a fixed connection, the outer end of pull rod (14) runs through to the outside of box (9) and fixedly connected with arm-tie (15), second draw-in groove (16) have all been seted up to the both sides at pull rod (14) top, the top fixedly connected with second spring (17) of box (9) inner wall, the bottom fixedly connected with connecting block (18) of second spring (17), the inboard fixedly connected with second fixture block (19) of connecting block (18), the top of second fixture block (19) runs through to the top of box (9), the bottom of second fixture block (19) runs through to the inner chamber of pull rod (14).

2. A scour prevention shutoff valve as claimed in claim 1, wherein: the sealing device is characterized in that a sealing ring (20) is bonded and connected to the center of the bottom of the inner wall of the valve cover body (2), the inner wall of the sealing ring (20) is in contact with the surface of the threaded rod (4), and the surface of the sealing ring (20) is in contact with the inner wall of the stop valve body (1).

3. A scour prevention shutoff valve as claimed in claim 1, wherein: the top and the bottom of the inner wall of the box body (9) are both provided with sliding grooves (21), the inner cavity of each sliding groove (21) is connected with a sliding block (22) in a sliding mode, and the inner side of each sliding block (22) is fixedly connected with the surface of the movable plate (12).

4. A scour prevention shutoff valve as claimed in claim 1, wherein: the top and the bottom of box (9) are all fixedly connected with the installation piece, and the outside of installation piece passes through the fixed surface installation of bolt and valve gap body (2).

5. A scour prevention shutoff valve as claimed in claim 1, wherein: the top and the bottom of valve gap body (2) both sides have all seted up first through groove, the second through groove has all been seted up to the top and the bottom of box (9) inboard, and the diameter in first through groove and second through groove inner chamber all is greater than the diameter of first fixture block (13).

6. A scour prevention shutoff valve as claimed in claim 1, wherein: the outside of box (9) has seted up the third and has run through the groove, and the diameter of third run through the groove inner chamber is greater than the diameter of pull rod (14).

7. A scour prevention shutoff valve as claimed in claim 1, wherein: the top of the box body (9) is provided with a through groove, and the inner cavity of the through groove is in sliding connection with the surface of the second clamping block (19).