CN214287206U

CN214287206U - Prevent silt jam formula butterfly valve

Info

Publication number: CN214287206U
Application number: CN202120149507.9U
Authority: CN
Inventors: 王哲臻
Original assignee: Heli Valve Co ltd
Current assignee: Heli Valve Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-09-28
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a prevent silt jam formula butterfly valve, include valve body, valve rod and valve plate and be used for valve rod pivoted actuating mechanism, the inside both sides that are located the valve plate of valve body all are provided with prevents stifled filter screen, the up end and the lower tip of preventing stifled filter screen all are provided with the guide block, the guide block holding is in the inside of seting up the guide way on the valve body lateral wall. The utility model discloses in, the fluid of valve body is at first flowed through and is prevented stifled filter screen, prevent that the impurity of preventing in the filter screen with the fluid blocks in the outside of preventing stifled filter screen, when not using, the rotating pin is rotated from the outside of valve body, the rotating pin drives initiative awl tooth and rotates, initiative awl tooth drives driven awl tooth and rotates, driven awl tooth drives the screw thread lead screw and rotates, the rotation of screw thread lead screw drives the guide block and slides to both sides in the inside of guide way, the guide block drives prevents stifled filter screen and removes the water inlet position to the valve body, be convenient for clear up and prevent the impurity on the stifled filter screen, prevent that the inside blocking phenomenon that appears of butterfly valve.

Description

Prevent silt jam formula butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a prevent silt jam formula butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

The existing butterfly valve is easy to block after being used for a long time if the sediment in the fluid is more in the use process, so that the normal use of the butterfly valve is influenced, and the use effect of the butterfly valve is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that a butterfly valve is easy to block, the mud and sand blocking prevention type butterfly valve is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a prevent silt jam formula butterfly valve, includes valve body, valve rod and valve plate and is used for valve rod pivoted actuating mechanism, the inside both sides that are located the valve plate of valve body all are provided with prevents stifled filter screen, the up end and the lower tip of preventing stifled filter screen all are provided with the guide block, the guide block holding is in the inside of seting up the guide way on the valve body lateral wall, is located the valve body top the inside of guide way is provided with the screw thread lead screw, the tip cover of screw thread lead screw is equipped with driven awl tooth, it has the rotational pin of vertical direction to run through on the valve body, the bottom cover of rotational pin is equipped with initiative awl tooth.

As a further description of the above technical solution:

the guide block is provided with a threaded hole matched with the threaded lead screw, and the threaded lead screw penetrates through the threaded hole and is connected with the guide block in a screwing mode.

As a further description of the above technical solution:

and an anti-collision convex ring is arranged at the end part of the threaded lead screw.

As a further description of the above technical solution:

the guide block is in sliding fit with the guide groove inside.

As a further description of the above technical solution:

the driving bevel gear is meshed with the driven bevel gear.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, the fluid of valve body is at first flowed through and is prevented stifled filter screen, prevent that the impurity of preventing in the filter screen with the fluid blocks in the outside of preventing stifled filter screen, when not using, the rotating pin is rotated from the outside of valve body, the rotating pin drives initiative awl tooth and rotates, initiative awl tooth drives driven awl tooth and rotates, driven awl tooth drives the screw thread lead screw and rotates, the rotation of screw thread lead screw drives the guide block and slides to both sides in the inside of guide way, the guide block drives prevents stifled filter screen and removes the water inlet position to the valve body, be convenient for clear up and prevent the impurity on the stifled filter screen, prevent that the inside blocking phenomenon that appears of butterfly valve.

Drawings

Fig. 1 shows a schematic view of a main structure of a mud and sand blocking prevention butterfly valve provided by an embodiment of the present invention;

fig. 2 is a schematic side view illustrating an internal structure of a butterfly valve according to an embodiment of the present invention;

fig. 3 shows according to the utility model discloses an enlarged structure schematic diagram of part A in mud and sand jam prevention butterfly valve fig. 2 is provided.

Illustration of the drawings:

1. a valve body; 2. a valve stem; 3. a valve plate; 4. a drive mechanism; 5. anti-blocking filter screens; 6. a guide block; 7. a guide groove; 8. a threaded lead screw; 9. driven bevel gears; 10. an anti-collision convex ring; 11. driving bevel gears; 12. and rotating the pin.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a prevent silt jam formula butterfly valve, including valve body 1, valve rod 2 and valve plate 3 and be used for 2 pivoted actuating mechanism 4 of valve rod, actuating mechanism 4 can drive valve rod 2 and rotate, valve rod 2 drives valve plate 3 and rotates, the opening and closing of control valve body 1, the inside both sides that are located valve plate 3 of valve body 1 all are provided with prevents stifled filter screen 5, filter the fluid, avoid silt to get into the inside of valve body 1, cause the jam of valve body 1, the up end that prevents stifled filter screen 5 all is provided with guide block 6 with lower tip, guide block 6 holding sets up the inside of guide way 7 on 1 lateral wall of valve body, the inside that is located guide way 7 at 1 top of valve body is provided with screw lead screw 8, screw lead screw 8's tip cover is equipped with driven awl tooth 9, run through the rotational pin 12 that has vertical direction on the valve body 1, the bottom cover of rotational pin 12 is equipped with initiative awl tooth 11.

Specifically, as shown in fig. 2, the guide block 6 has a threaded hole adapted to the threaded lead screw 8, the threaded lead screw 8 penetrates through the threaded hole and is screwed with the guide block 6, and the guide block 6 is driven to move in the horizontal direction by the rotation of the threaded lead screw 8.

Specifically, as shown in fig. 3, the end of the threaded screw 8 is provided with a bump guard 10, and the bump guard 10 can prevent the guide block 6 from colliding with the driven bevel gear 9 during horizontal movement, so as to prevent the driven bevel gear 9 from being damaged.

Specifically, as shown in fig. 2, the guide block 6 is in sliding fit with the guide groove 7 inside the guide groove, and the guide groove 7 plays a limiting role in the guide block 6, so that the guide block 6 is ensured to move only in the horizontal direction under the action of external force.

Specifically, as shown in fig. 3, the driving bevel gear 11 is engaged with the driven bevel gear 9, and the driving bevel gear 11 drives the driven bevel gear 9 to rotate through the engagement of the driving bevel gear and the driven bevel gear.

The working principle is as follows: during the use, the fluid of valve body 1 at first flows through and prevents stifled filter screen 5, prevent stifled filter screen 5 and block the outside at preventing stifled filter screen 5 with the impurity in the fluid, when not using, from the outside rotation rotating pin 12 of valve body 1, rotating pin 12 drives initiative awl tooth 11 and rotates, initiative awl tooth 11 drives driven awl tooth 9 and rotates, driven awl tooth 9 drives screw lead screw 8 and rotates, screw lead screw 8's rotation drives guide block 6 and slides to both sides in the inside of guide way 7, guide block 6 drives prevents stifled filter screen 5 and removes the water inlet position to valve body 1, be convenient for clear up and prevent the impurity on the stifled filter screen 5, prevent that the inside jam phenomenon that appears of butterfly valve.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a prevent silt stifled formula butterfly valve, includes valve body (1), valve rod (2) and valve plate (3) and is used for valve rod (2) pivoted actuating mechanism (4), its characterized in that, the inside both sides that are located valve plate (3) of valve body (1) all are provided with prevents stifled filter screen (5), the up end and the lower tip of preventing stifled filter screen (5) all are provided with guide block (6), guide block (6) holding is in the inside of seting up guide way (7) on valve body (1) lateral wall, is located valve body (1) top the inside of guide way (7) is provided with screw lead screw (8), the tip cover of screw lead screw (8) is equipped with driven awl tooth (9), running through rotating pin (12) that have vertical direction on valve body (1), the bottom cover of rotating pin (12) is equipped with initiative awl tooth (11).

2. A mud and sand blocking preventing butterfly valve according to claim 1, wherein the guide block (6) is provided with a threaded hole adapted to the threaded lead screw (8), and the threaded lead screw (8) is screwed with the guide block (6) through the threaded hole.

3. A mud and sand jam prevention butterfly valve as claimed in claim 1, characterised in that the end of the threaded lead screw (8) is provided with a crash ring (10).

4. A silt-jam prevention butterfly valve according to claim 1, in which the guide block (6) is a sliding fit within the guide slot (7).

5. A silt blockage prevention butterfly valve according to claim 1, characterised in that the driving conical teeth (11) are in meshing connection with the driven conical teeth (9).