CN218761464U

CN218761464U - Silt-proof butterfly valve

Info

Publication number: CN218761464U
Application number: CN202222967988.1U
Authority: CN
Inventors: 徐贤允; 王运胜; 吴成文
Original assignee: SHANGHAI TEYI VALVE MANUFACTURING CO LTD
Current assignee: SHANGHAI TEYI VALVE MANUFACTURING CO LTD
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-28
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses a prevent silt butterfly valve, including the valve body, one side fixedly connected with lantern ring of valve body, the inner wall of the lantern ring is the square for the cross-section, and inner wall one side fixedly connected with filter mantle of the lantern ring, one side sliding connection of filter mantle have the scraper blade, and the bottom fixedly connected with of scraper blade wears the pole, and it has the loop bar to wear the pole to slide to alternate, and the bottom contact of loop bar has the dog, and the dog passes through the draw-in groove that joint structure joint was seted up in the valve body, and a small amount of screw thread has all been seted up to the bottom outer wall of wearing the pole and the top inner wall of loop bar, the beneficial effects of the utility model are that: through letting the dog leave the draw-in groove, can be so that wear the pole and slide in the loop bar, through the pulling loop bar downwards to rotate the loop bar, make and wear pole and loop bar threaded connection, the pulling loop bar can let the scraper blade remove from top to bottom this moment, thereby clear up the silt on the filter mantle, and silt is discharged from the draw-in groove, can prevent like this that silt from piling up and leading to filter screen blocking.

Description

Silt-proof butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a prevent silt butterfly valve.

Background

The butterfly valve is also called as a flap valve, is a regulating valve with simple structure, rotates around a valve shaft to open and close, is simple in structure and widely used, and can cause untight closing of a valve plate if silt enters the butterfly valve.

For example, chinese patent document discloses a butterfly valve for preventing silt, application No.: 201821524551.8, it mainly through filter screen and handle, utilizes the filter screen to block silt, prevents that silt from influencing the closing of valve plate, but it can not clear up the filter screen, and silt is piled up and probably is led to the filter screen jam, influences the circulation of butterfly valve interior material.

Therefore, the silt-proof butterfly valve is designed and produced so as to solve the problem that the filter screen cannot be cleaned.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves: the filter screen can not be cleaned, so that the silt-proof butterfly valve is provided.

The utility model provides a technical scheme that technical problem adopted is: the utility model provides a prevent silt butterfly valve, includes the valve body, one side fixedly connected with lantern ring of valve body, the inner wall of the lantern ring is the square for the cross-section, inner wall one side fixedly connected with filter mantle of the lantern ring, one side sliding connection of filter mantle has the scraper blade, the bottom fixedly connected with of scraper blade wears the pole, it has the loop bar to wear the pole slip to alternate, the bottom contact of loop bar has the dog, the dog passes through the draw-in groove that joint structure joint was seted up in the valve body, and a small amount of screw thread has all been seted up to the bottom outer wall of wearing the pole and the top inner wall of loop bar, through letting the dog leave the draw-in groove, can make wearing the pole slide in the loop bar, through pulling the loop bar downwards to rotate the loop bar, make wearing pole and loop bar threaded connection, the pulling loop bar can let the scraper blade remove about this moment, thereby clear up silt on the filter mantle, and discharge silt from the draw-in groove.

Preferably, the joint structure includes the card frame, the card frame rotates to be connected in the valve body, card frame threaded connection has the screw rod, threaded hole is seted up to the bottom of dog, through rotating the card frame, can be so that the screw rod aims at the screw hole, rotates the screw rod and can be with the dog joint on the draw-in groove.

Preferably, the top end of the loop bar is fixedly connected with a spring, the top end of the spring is in contact with the inner wall of the loop bar, and the loop bar moves downwards when the stop dog leaves the clamping groove under the elastic action of the spring.

Preferably, both ends fixedly connected with baffle is close to the bottom at the bottom of the inner wall top of the lantern ring the baffle is seted up flutedly, another baffle sliding connection has the platelet, the top fixedly connected with hydraulic stem of platelet, hydraulic stem fixed connection is in the top of valve body, and through the flexible of the output of hydraulic stem, the platelet removal can be controlled, goes into the recess and when closing the valve when the platelet card, can prevent that the material in the valve from circulating, can take out the dog and clear up silt this moment, and the material in the valve body spills over when preventing to clear up.

Preferably, fixedly connected with rubber waterstop between platelet and the baffle that is close to the top, the removal that can not influence the platelet of setting up the rubber waterstop of broad to have sealed effect.

Compared with the prior art, the beneficial effects of the utility model are that: through letting the dog leave the draw-in groove, can be so that wear the pole and slide in the loop bar, through the pulling loop bar downwards to rotate the loop bar, make and wear pole and loop bar threaded connection, the pulling loop bar can let the scraper blade remove from top to bottom this moment, thereby clear up silt on the filter mantle, and silt is discharged from the draw-in groove, can prevent like this that silt from piling up and leading to the filter screen blocking.

Drawings

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

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

fig. 3 is a schematic view of the local structure of the penetrating rod of the present invention.

In the figure: 1. a valve body; 2. a collar; 3. a filter housing; 4. a squeegee; 5. penetrating a rod; 6. a loop bar; 7. a stopper; 8. a clamping structure; 9. a spring; 10. a baffle plate; 11. a platelet; 12. a hydraulic lever; 13. a rubber waterstop; 81. a clamping frame; 82. a screw.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Example 1

Please refer to fig. 1-3, this embodiment provides a silt-proof butterfly valve, which comprises a valve body 1, one side fixedly connected with lantern ring 2 of valve body 1, the inner wall of lantern ring 2 is square, inner wall one side fixedly connected with filter mantle 3 of lantern ring 2, one side sliding connection of filter mantle 3 has scraper blade 4, bottom fixedly connected with penetrating rod 5 of scraper blade 4, penetrating rod 5 slides to be inserted with loop bar 6, the bottom contact of loop bar 6 has dog 7, dog 7 passes through the draw-in groove that clamping structure 8 joint was seted up in valve body 1, a small amount of screw thread has all been seted up to the bottom outer wall of penetrating rod 5 and the top inner wall of loop bar 6, through letting dog 7 leave the draw-in groove, can make penetrating rod 5 slide in loop bar 6, through pulling loop bar 6 downwards, and rotating loop bar 6, make penetrating rod 5 and loop bar 6 threaded connection, this moment, pulling loop bar 6 can let scraper blade 4 move from top to clear up silt on filter mantle 3, silt discharges from the draw-in groove, thus can prevent piling up and lead to filter screen blocking.

The clamping structure 8 comprises a clamping frame 81, the valve body 1 is connected with the clamping frame 81 in a rotating mode, a screw rod 82 is connected to the clamping frame 81 in a threaded mode, a threaded hole is formed in the bottom end of the stop block 7, the screw rod 82 can be aligned to the threaded hole through rotating the clamping frame 81, the stop block 7 can be connected to the clamping groove in a clamped mode through rotating the screw rod 82, and the stop block 7 is prevented from falling to cause overflowing of materials in the valve body 1.

Spring 9 fixed connection is on the top of loop bar 6, and the inner wall of lantern ring 2 is contacting the top of spring 9, and under spring 9's elastic force effect, when dog 7 left the draw-in groove, loop bar 6 moved down, is convenient for hand loop bar 6.

Example 2

Referring to fig. 1-3, a further improvement is made on the basis of embodiment 1:

baffle 10 fixed connection is at the inner wall top bottom both ends of lantern ring 2, the recess is seted up and is being close to

bottom baffle

10, 11 sliding connection of platelet is on another

baffle

10, 12 fixed connection on the top of platelet 11 of hydraulic stem, hydraulic stem 12 is being connected to the top fixed connection of valve body 1, flexible through the output of hydraulic stem 12, can control platelet 11 and remove, go into the recess and when closing the valve when platelet 11 card, can prevent that material from circulating in the valve body 1, can take out dog 7 at this moment and clear up silt, material in the valve body 1 overflows when preventing to clear up.

The rubber water stop 13 is fixedly connected between the small plate 11 and the baffle 10 close to the top end, the wide rubber water stop 13 is arranged, the movement of the small plate 11 can not be influenced, the sealing effect is achieved, and materials are prevented from overflowing between the baffle 10 and the small plate 11.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a prevent silt butterfly valve, includes valve body (1), its characterized in that: the utility model discloses a valve body, including valve body (1), the one side fixedly connected with lantern ring (2) of valve body (1), the inner wall of the lantern ring (2) is the square for the cross-section, inner wall one side fixedly connected with filter mantle (3) of the lantern ring (2), one side sliding connection of filter mantle (3) has scraper blade (4), pole (5) are worn to the bottom fixedly connected with of scraper blade (4), it has loop bar (6) to wear pole (5) slip to alternate, the bottom contact of loop bar (6) has dog (7), dog (7) are through joint structure (8) joint draw-in groove of seting up in valve body (1), wear the bottom outer wall of pole (5) and the top inner wall of loop bar (6) and all seted up a small amount of screw thread.

2. The silt-proof butterfly valve of claim 1, wherein: joint structure (8) are including card frame (81), card frame (81) rotate to be connected in valve body (1), card frame (81) threaded connection has screw rod (82), the threaded hole has been seted up to the bottom of dog (7).

3. The mud-proof butterfly valve of claim 1, wherein: the top end of the loop bar (6) is fixedly connected with a spring (9), and the top end of the spring (9) is in contact with the inner wall of the loop bar (2).

4. The silt-proof butterfly valve of claim 1, wherein: both ends fixedly connected with baffle (10) are close to the bottom at the bottom of the inner wall top of the lantern ring (2) baffle (10) are seted up flutedly, another baffle (10) sliding connection has platelet (11), the top fixedly connected with hydraulic stem (12) of platelet (11), hydraulic stem (12) fixed connection is in the top of valve body (1).

5. The silt-proof butterfly valve according to claim 4, wherein: and a rubber water stop (13) is fixedly connected between the small plate (11) and the baffle (10) close to the top end.