CN211059380U

CN211059380U - Good-sealing foreign-matter-prevention butterfly valve

Info

Publication number: CN211059380U
Application number: CN201921945503.0U
Authority: CN
Inventors: 齐砚之
Original assignee: Tianjin Bohai Yongquan Valve Co ltd
Current assignee: Tianjin Bohai Yongquan Valve Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-21
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a good foreign matter butterfly valve of preventing of leakproofness, including the installation pipe, fixed mounting has the disk seat on the installation pipe, movable mounting has the carousel in the disk seat, movable mounting has the valve plate in the installation pipe, the fixed sealing washer that is equipped with on the valve plate lateral wall, install positioner between disk seat and the carousel, be equipped with in the installation pipe and prevent the foreign matter device. Has the advantages that: the utility model discloses fixed being equipped with the sealing washer on the lateral wall of valve plate, strengthening the leakproofness between valve plate and the installation pipe inner wall, secondly installed positioner between carousel and disk seat, utilize gag lever post and a plurality of spacing groove to control carousel pivoted angle, and then the size of the control flow rate, installed the filter screen in the installation pipe, the foreign matter of the valve is flowed through to the symmetry blocks, has avoided the valve to be blockked up by the foreign matter, has prolonged the life of valve.

Description

Good-sealing foreign-matter-prevention butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a foreign matter butterfly valve is prevented to leakproofness is good.

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 leakproofness of current butterfly valve is not good enough, and when carrying water, the foreign matter in the aquatic can block in the valve plate position for the valve is difficult to close, and secondly, current butterfly valve can not control the position angle that the valve opened, has consequently also not controlled the speed of business turn over water.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the poor easy foreign matter of being difficult to of leakproofness is blockked up and can not control the velocity of flow among the prior art, and the good foreign matter butterfly valve of preventing of a leakproofness that provides.

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

the utility model provides a good foreign matter butterfly valve of preventing of leakproofness, includes the installation pipe, fixed mounting has the disk seat on the installation pipe, movable mounting has the carousel in the disk seat, movable mounting has the valve plate in the installation pipe, the fixed sealing washer that is equipped with on the valve plate lateral wall, install positioner between disk seat and the carousel, be equipped with in the installation pipe and prevent the foreign matter device.

In the above foreign matter prevention butterfly valve with good sealing performance, the sealing ring is made of polytetrafluoroethylene material.

In foretell good foreign matter butterfly valve of preventing of leakproofness, positioner includes the fixed plate of fixed mounting on the carousel lateral wall, the carousel is close to fixed mounting on disk seat one side outer wall and has the hinge, movable mounting has the fly leaf on the hinge, fixed mounting has the gag lever post on the outer wall of carousel one side is kept away from to the fly leaf, fixed mounting has the limiting plate on the disk seat lateral wall, the limiting plate is semi-cylindrical, and the equidistance has seted up a plurality of spacing grooves on the limiting plate lateral wall, mutually support between spacing groove and the gag lever post.

In the above foreign matter prevention butterfly valve with good sealing performance, a return spring is fixedly mounted between the movable plate and the outer wall of the side, close to the rotary disc, of the movable plate.

In foretell good foreign matter butterfly valve of preventing of leakproofness, prevent that foreign matter device includes the filter screen of fixed mounting in the installation pipe, fixed mounting has first go-between on the installation inside pipe wall, fixed mounting's second go-between on the filter screen lateral wall, first go-between is close to on second go-between one side outer wall symmetry fixed mounting have two inserted bars, two jacks have been seted up to the symmetry on the second go-between, mutually support between jack and the inserted bar.

In foretell good foreign matter butterfly valve of preventing of leakproofness, two the inserted bar is close to the symmetry on one side outer wall mutually and has seted up two mounting grooves, two the mounting groove is kept away from one side inside mutually and is gone up equal fixed mounting and have a reinforcing spring, two reinforcing spring is close to the equal fixed mounting of one end mutually and has the kelly, and two kellies are close to one end mutually and are the hemisphere.

Compared with the prior art, the utility model discloses the advantage lies in:

the utility model 1 is characterized in that a sealing ring is fixed on the side wall of the valve plate to enhance the sealing performance between the valve plate and the inner wall of the mounting pipe, a positioning device is arranged between the turntable and the valve seat, and the rotating angle of the turntable is controlled by utilizing a limiting rod and a plurality of limiting grooves to further control the flow velocity;

2 the utility model discloses installed the filter screen in the installation pipe, the foreign matter of valve is flowed through to the symmetry stops, has avoided the valve to be blockked up by the foreign matter, has prolonged the life of valve.

Drawings

Fig. 1 is a front partial cross-sectional view of a good-sealing foreign-body-preventing butterfly valve of the present invention;

fig. 2 is a side sectional view of the butterfly valve for preventing foreign matters with good sealing performance;

fig. 3 is an enlarged view of a portion a of the structure of the foreign-body-proof butterfly valve with good sealing performance;

fig. 4 is an enlarged view of the structure of the part B of the foreign-body-proof butterfly valve with good sealing performance.

In the figure: the device comprises a mounting pipe 1, a valve seat 2, a rotary table 3, a valve plate 4, a sealing ring 5, a fixing plate 6, a movable plate 7, a limiting plate 8, a limiting groove 9, a return spring 10, a hinge 11, a limiting rod 12, a filter screen 13, a first connecting ring 14, a second connecting ring 15, an inserted rod 16, a mounting groove 17, a reinforcing spring 18 and a clamping rod 19.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a good-sealing foreign-body-proof butterfly valve comprises a mounting tube 1, a valve seat 2 is fixedly mounted on the mounting tube 1, a rotary disc 3 is movably mounted in the valve seat 2, a valve plate 4 is movably mounted in the mounting tube 1, a sealing ring 5 is fixedly arranged on the side wall of the valve plate 4, the sealing ring 5 is made of polytetrafluoroethylene, a positioning device is mounted between the valve seat 2 and the rotary disc 3, the positioning device comprises a fixed plate 6 fixedly mounted on the side wall of the rotary disc 3, a hinge 11 is fixedly mounted on the outer wall of the side of the rotary disc 3 close to the valve seat 2, a movable plate 7 is movably mounted on the hinge 11, a limiting rod 12 is fixedly mounted on the outer wall of the side of the movable plate 7 far away from the rotary disc 3, a limiting plate 8 is fixedly mounted on the side wall of the valve seat 2, the, fly leaf 7 and carousel 3 are close to common fixed mounting between one side outer wall mutually and have reset spring 10, and it is worth noting that, fixed being equipped with sealing washer 5 on the lateral wall of valve plate 4, strengthen the leakproofness between valve plate 4 and the installation pipe 1 inner wall, utilize gag lever post 12 and a plurality of spacing groove 9 to mutually support and control carousel 3 pivoted angle, and then the size of the control velocity of flow.

The installation pipe 1 is provided with a foreign matter preventing device, the foreign matter preventing device comprises a filter screen 13 fixedly installed in the installation pipe 1, a first connecting ring 14 is fixedly installed on the inner wall of the installation pipe 1, a second connecting ring 15 is fixedly installed on the side wall of the filter screen 13, two inserting rods 16 are symmetrically and fixedly installed on the outer wall of one side, close to the second connecting ring 15, of the first connecting ring 14, two inserting holes are symmetrically formed in the second connecting ring 15, the inserting holes and the inserting rods 16 are matched with each other, two installing grooves 17 are symmetrically formed on the outer wall of one side, close to the side, of the two inserting rods 16, reinforcing springs 18 are fixedly installed on the inner portion of the side, far away from the two installing grooves 17, clamping rods 19 are fixedly installed at one ends, close to the two clamping rods 19, and are hemispherical at one ends, the filter screen 13 is installed in the installation pipe 1, and foreign matters, the valve is prevented from being blocked by foreign matters, the service life of the valve is prolonged, the filter screen 13 is very convenient to mount and dismount, and deposits are conveniently cleaned.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The utility model discloses the theory of operation: pulling the movable plate 7, enabling the movable plate 7 to lean against the fixed plate 6, enabling the movable plate 7 to drive the limiting rod 12 to leave the limiting groove 9 on the limiting plate 8, enabling the rotary table 3 to lose the limiting effect of the limiting rod 12 at the moment, rotating the rotary table 3, and after the rotary table is rotated to a required angle, releasing the movable plate 7, enabling the limiting rod 12 to be pulled into the limiting groove 9 under the elastic action of the reset spring 10, and enabling the rotating angle of the rotary table 3 to be fixed at the moment to achieve the purpose of controlling the flow rate.

When the filter screen 13 is installed, the two insertion rods 16 are inserted into the insertion holes, the clamping rods 19 are hemispherical, so that the second connecting ring 15 cannot be clamped, only the limiting device is provided, and the direction of the insertion rods 16 is opposite to the direction of water flow, so that the filter screen 13 is pressed on the first connecting ring 14 by the water flow and cannot fall off.

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.

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 good foreign matter butterfly valve of preventing of leakproofness, includes installation pipe (1), its characterized in that, fixed mounting has disk seat (2) on installation pipe (1), movable mounting has carousel (3) in disk seat (2), movable mounting has valve plate (4) in installation pipe (1), fixed sealing washer (5) that are equipped with on valve plate (4) lateral wall, install positioner between disk seat (2) and carousel (3), be equipped with in installation pipe (1) and prevent the foreign matter device.

2. The butterfly valve with good sealing performance for preventing foreign matters according to claim 1, wherein the sealing ring (5) is made of polytetrafluoroethylene.

3. The good foreign matter butterfly valve that prevents of leakproofness of claim 1, characterized in that, positioner includes fixed plate (6) of fixed mounting on carousel (3) lateral wall, fixed mounting has hinge (11) on carousel (3) is close to disk seat (2) one side outer wall, movable mounting has fly leaf (7) on hinge (11), fixed mounting has gag lever post (12) on carousel (3) one side outer wall is kept away from in fly leaf (7), fixed mounting has limiting plate (8) on disk seat (2) lateral wall, limiting plate (8) are semi-cylindrical, and a plurality of spacing grooves (9) have been seted up to equidistance on limiting plate (8) lateral wall, mutually support between spacing groove (9) and gag lever post (12).

4. The butterfly valve with good sealing performance for preventing foreign matters according to claim 3, wherein a return spring (10) is fixedly mounted between the outer walls of the movable plate (7) and the rotary disc (3) close to one side.

5. The butterfly valve with the good sealing performance for preventing foreign matters according to claim 1, wherein the butterfly valve with the good sealing performance comprises a filter screen (13) fixedly installed in the installation pipe (1), a first connection ring (14) is fixedly installed on the inner wall of the installation pipe (1), a second connection ring (15) is fixedly installed on the side wall of the filter screen (13), two insertion rods (16) are symmetrically and fixedly installed on the outer wall of the first connection ring (14) close to one side of the second connection ring (15), two insertion holes are symmetrically formed in the second connection ring (15), and the insertion holes and the insertion rods (16) are matched with each other.

6. The good-sealing foreign-matter-prevention butterfly valve according to claim 5, wherein two installation grooves (17) are symmetrically formed in the outer wall of the side, close to the two insertion rods (16), the inner part of the side, far away from the two installation grooves (17), is fixedly provided with a reinforcing spring (18), one end, close to the two reinforcing springs (18), is fixedly provided with a clamping rod (19), and the other end, close to the two clamping rods (19), is hemispherical.