CN217108242U

CN217108242U - Butterfly valve with fluorine-lined convex lug

Info

Publication number: CN217108242U
Application number: CN202220302321.7U
Authority: CN
Inventors: 尤红东
Original assignee: Suzhou Bojin Self Control Valve Industry Co ltd
Current assignee: Suzhou Bojin Self Control Valve Industry Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-08-02
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses a lining fluorine lug butterfly valve relates to butterfly valve technical field, for solving current lug butterfly valve, the control of self is opened the valve structure and is automized inadequately, makes the problem that uses and has certain limitation. The improved butterfly valve is characterized in that a lug butterfly valve component is arranged on the lug butterfly valve component, a pneumatic actuator is arranged at one end of the lug butterfly valve component, an upper valve body component is arranged on the lug butterfly valve component, a lower valve body component is arranged at the lower end of the upper valve body component, valve flange fixing structures are arranged on the outer walls of the upper valve body component and the lower valve body component, bushings are arranged on the inner walls of the upper valve body component and the lower valve body component, a valve seat is arranged on the bushings, a lug butterfly valve flange connecting block is arranged at the upper end of the upper valve body component, a base is arranged at the lower end of the lower valve body component, and a butterfly valve is arranged on the valve seat.

Description

Butterfly valve with fluorine-lined convex lug

Technical Field

The utility model relates to a butterfly valve technical field specifically is a lining fluorine lug butterfly valve.

Background

In conventional devices, as in application No.: 201620556856.1, respectively; the name is as follows: a butterfly valve with fluorine lining. The device includes: valve body, valve rod and butterfly plate, the valve rod is connected in the butterfly plate, the valve body is connected with and is used for driving valve rod pivoted actuating mechanism, the outside extension in butterfly plate side is equipped with the installation department, be equipped with fixed part between installation department and the valve rod, the valve rod can be dismantled through fixed part and connect in the butterfly plate. The utility model discloses an installation is simple, can dismantle it and valve rod after its butterfly plate deformation damages, changes the butterfly plate that a size is the same to be favorable to the leakproofness between butterfly plate and the valve body good.

However, the self-control valve opening structure of the lug butterfly valve is not automatic enough, so that the use has a certain limitation; thus, the present need is not met, and a fluorine-lined lug butterfly valve has been proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lining fluorine lug butterfly valve to solve the current lug butterfly valve that proposes in the above-mentioned background art, the control of self is opened the valve structure and is automized inadequately, makes the use have the problem of certain limitation.

In order to achieve the above object, the utility model provides a following technical scheme: a fluorine-lined lug butterfly valve comprises a lug butterfly valve component, wherein a lug butterfly valve member is arranged on the lug butterfly valve component, a pneumatic actuator is arranged at one end of the lug butterfly valve member and is connected with one end of the lug butterfly valve member through a flange, an upper valve body member is arranged on the lug butterfly valve member, a lower valve body member is arranged at the lower end of the upper valve body member, valve flange fixing structures are arranged on the outer walls of the upper valve body member and the lower valve body member respectively, the valve flange fixing structures are connected with the outer walls of the upper valve body member and the lower valve body member in a welding manner, fixed connecting structures are arranged at the two ends of the upper valve body member and the lower valve body member respectively and are connected with the two ends of the upper valve body member and the two ends of the lower valve body member in a welding manner, connecting bolts are arranged on the fixed connecting structures and are connected with the fixed connecting structures in a penetrating manner, the inner walls of the upper valve body component and the lower valve body component are respectively provided with a bushing, the bushings are fixedly connected with the inner walls of the upper valve body component and the lower valve body component, a valve seat is arranged on the bushings, the valve seat is connected with the bushings in an embedded mode, the upper end of the upper valve body component is provided with a lug butterfly valve flange connecting block, the lug butterfly valve flange connecting block is connected with the upper end of the upper valve body component in a welded mode, the lower end of the lower valve body component is provided with a base, and a butterfly valve is arranged on the valve seat.

Preferably, an air compression pump is arranged at the upper end of the pneumatic actuator, and the air compression pump is connected with the upper end flange of the pneumatic actuator.

Preferably, the end faces of the upper valve body component and the lower valve body component are both provided with a sealing structure block, the sealing structure blocks are fixedly connected with the end faces of the upper valve body component and the lower valve body component, a groove is formed in each sealing structure block, and a convex block is arranged beside the groove.

Preferably, an actuator housing is arranged on the pneumatic actuator, a left cover member is arranged at the left end of the actuator housing, a right cover member is arranged at the right end of the actuator housing, fastening screws are arranged at four corners of the left cover member and the right cover member, and the fastening screws are connected with the four corners of the left cover member and the right cover member in a penetrating manner.

Preferably, the upper end of the actuator shell is provided with an installation connecting seat, the installation connecting seat is connected with the upper end of the actuator shell in a welding mode, the middle of the upper end of the actuator shell is provided with a guard ring structure, the middle of the guard ring structure is connected with the upper end of the actuator shell in a welding mode, a shaft body rod is arranged in the guard ring structure, one end of the shaft body rod is provided with a connecting component, and an inner octagonal groove is formed in the connecting component.

Preferably, the front end face of the pneumatic actuator is provided with a first air inlet, and a second air inlet is arranged beside the first air inlet.

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

1. the utility model discloses an executor casing, left side closing cap component, right side closing cap component, fastening screw, retaining ring structure, shaft body pole, connecting element, interior eight square grooves, an air inlet, No. two air inlets set up, the executor casing is used for the installation of pneumatic actuator part, left side closing cap component, right side closing cap component are used for the sealing at pneumatic actuator both ends, fastening screw is used for fastening connection, improve sealed effect, the retaining ring structure plays the protection shaft body pole, the interior eight square grooves of connecting element are used for being connected with the connection structure of the butterfly valve one end of lug butterfly valve component, when having connected pneumatic actuator with lug butterfly valve component, it is opening the butterfly valve to advance compressed air from an air inlet, and it is closing butterfly valve 13 to advance compressed air from No. two air inlets, can solve current lug butterfly valve under the combination of above-mentioned part, self control valve opening structure is not enough automatic, the use has certain limitation.

2. Through the sealing structure piece, the recess, the setting of lug, seal structure in traditional lug butterfly valve, often only sheathe the round rubber circle on the butterfly valve, although the rubber circle has utilized the characteristic of rubber deformation, when the butterfly valve is closed and is coincide with the disk seat, let rubber circle deformation extend through the extrusion, plug up the gap and reach sealed effect, nevertheless rubber soaks in liquid for a long time, can receive the erosion and lead to sealed effect poor, and the utility model discloses an added corrosion-resistant metal in the sealing structure piece, its surface also is handled simultaneously, lets it support and block the erosion, makes life extension, recess and lug that set up in addition on the sealing structure piece can prevent the butterfly valve lug infiltration.

Drawings

FIG. 1 is a schematic view of the overall structure of the lug butterfly valve of the present invention;

FIG. 2 is a schematic structural view of a lower valve body member of the lug butterfly valve of the present invention;

FIG. 3 is a schematic structural view of the novel pneumatic actuator of the lug butterfly valve of the present invention;

FIG. 4 is a schematic view of a connecting member of the lug butterfly valve according to the present invention;

in the figure: 1. a lug butterfly valve assembly; 2. a lug butterfly valve member; 3. a pneumatic actuator; 4. an upper valve body member; 5. a lower valve body member; 6. a valve flange fixing structure; 7. a fixed connection structure; 8. a connecting bolt; 9. a bushing; 10. a valve seat; 11. a lug butterfly valve flange connecting block; 12. a base; 13. a butterfly valve; 14. an air compression pump; 15. sealing the structure block; 16. a groove; 17. a bump; 18. an actuator housing; 19. a left side cover member; 20. a right side cover member; 21. fastening screws; 22. mounting a connecting seat; 23. a grommet structure; 24. a shaft body rod; 25. a connecting member; 26. a first air inlet; 27. a second air inlet; 28. an inner octagonal groove.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a fluorine-lined convex lug butterfly valve comprises a convex lug butterfly valve component 1, a convex lug butterfly valve component 2 is arranged on the convex lug butterfly valve component 1, a pneumatic actuator 3 is arranged at one end of the convex lug butterfly valve component 2, the pneumatic actuator 3 is connected with one end of the convex lug butterfly valve component 2 through a flange, an upper valve body component 4 is arranged on the convex lug butterfly valve component 2, a lower valve body component 5 is arranged at the lower end of the upper valve body component 4, valve flange fixing structures 6 are arranged on the outer walls of the upper valve body component 4 and the lower valve body component 5, the valve flange fixing structures 6 are connected with the outer walls of the upper valve body component 4 and the lower valve body component 5 through welding, fixed connecting structures 7 are arranged at the two ends of the upper valve body component 4 and the lower valve body component 5, the fixed connecting structures 7 are connected with the two ends of the upper valve body component 4 and the lower valve body component 5 through welding, connecting bolts 8 are arranged on the fixed connecting structures 7, the inner walls of the upper valve body component 4 and the lower valve body component 5 are respectively provided with a bushing 9, the bushings 9 are fixedly connected with the inner walls of the upper valve body component 4 and the lower valve body component 5, a valve seat 10 is arranged on the bushings 9, the valve seat 10 is connected with the bushings 9 in a nested mode, the upper end of the upper valve body component 4 is provided with a lug butterfly valve flange connecting block 11, the lug butterfly valve flange connecting block 11 is connected with the upper end of the upper valve body component 4 in a welded mode, the lower end of the lower valve body component 5 is provided with a base 12, and a butterfly valve 13 is arranged on the valve seat 10.

Further, an air compression pump 14 is arranged at the upper end of the pneumatic actuator 3, the air compression pump 14 is connected with the upper end flange of the pneumatic actuator 3, and the air compression pump 14 is used for providing a movable support for the pneumatic actuator 3.

Furthermore, the end surfaces of the upper valve body component 4 and the lower valve body component 5 are respectively provided with a sealing structure block 15, the sealing structure blocks 15 are fixedly connected with the end surfaces of the upper valve body component 4 and the lower valve body component 5, a groove 16 is arranged on each sealing structure block 15, a bump 17 is arranged beside each groove 16, the sealing structure blocks 15 play a role in sealing, and the grooves 16 and the bumps 17 on the upper valve body component 4 and the lower valve body component 5 are mutually meshed, so that the sealing performance is further improved, and the possibility of water seepage is reduced.

Furthermore, the pneumatic actuator 3 is provided with an actuator housing 18, the left end of the actuator housing 18 is provided with a left side cover member 19, the right end of the actuator housing 18 is provided with a right side cover member 20, four corners of the left side cover member 19 and the right side cover member 20 are provided with fastening screws 21, the fastening screws 21 are connected with the four corners of the left side cover member 19 and the right side cover member 20 in a penetrating manner, the actuator housing 18 is used for installing the pneumatic actuator 3 components, the left side cover member 19 and the right side cover member 20 both play a role in protection and sealing, and the fastening screws 21 are used for fixing the left side cover member 19 and the right side cover member 20 at two ends of the actuator housing 18 so as to play a role in protection.

Further, the upper end of the actuator housing 18 is provided with an installation and connection seat 22, the installation and connection seat 22 is welded to the upper end of the actuator housing 18, a retaining ring structure 23 is arranged in the middle of the upper end of the actuator housing 18, the retaining ring structure 23 is welded to the middle of the upper end of the actuator housing 18, a shaft rod 24 is arranged in the retaining ring structure 23, a connecting member 25 is arranged at one end of the shaft rod 24, an inner octagonal groove 28 is formed in the connecting member 25, the installation and connection seat 22 is used for installing and connecting the air compression pump 14, the retaining ring structure 23 plays a role in protecting and limiting the shaft rod 24, and the inner octagonal groove 28 in the connecting member 25 can be connected to one end of the butterfly valve 13.

Further, the front end face of the pneumatic actuator 3 is provided with a first air inlet 26, a second air inlet 27 is arranged beside the first air inlet 26, the butterfly valve 13 is opened when compressed air is fed from the first air inlet 26, and the butterfly valve 13 is closed when compressed air is fed from the second air inlet 27.

The working principle is as follows: when the lug butterfly valve component 1 is used, the lug butterfly valve component 1 is installed with a pipeline, after installation is finished, when the butterfly valve 13 needs to be opened to allow flowing liquid in the pipeline to flow, firstly, a controller on a control console sends an operation instruction to an air compression pump 14, the air compression pump 14 starts to compress air after receiving instruction control, then the controller sends an air transmission instruction to the air compression pump 14, when compressed air enters a pneumatic actuator 3 from a first air inlet 26, the air pushes double pistons to linearly move towards two ends, a gear on a toothed belt moving shaft rod 24 on the piston rotates ninety degrees in the anticlockwise direction, the butterfly valve 13 is opened, air at two ends of the pneumatic actuator 3 is discharged along with a second air inlet 27, on the contrary, when the compressed air enters the two ends of the pneumatic actuator 3 from the second air inlet 27, the air pushes the double plugs to linearly move towards the middle, the gear on the toothed belt moving shaft rod 24 on the piston rotates ninety degrees in the clockwise direction, the butterfly valve is closed and the gas in the middle of the pneumatic actuator 3 is exhausted with the first inlet port 26.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A fluorine-lined lug butterfly valve comprising a lug butterfly valve assembly (1), characterized in that: be provided with lug butterfly valve component (2) on lug butterfly valve subassembly (1), the one end of lug butterfly valve component (2) is provided with pneumatic actuator (3), and pneumatic actuator (3) and the one end flange joint of lug butterfly valve component (2), be provided with valve body component (4) on lug butterfly valve component (2), the lower extreme of going up valve body component (4) is provided with down valve body component (5), all be provided with valve flange fixed knot on the outer wall of going up valve body component (4), lower valve body component (5) constructs (6), and valve flange fixed knot constructs (6) and the outer wall welded connection of last valve body component (4), lower valve body component (5), the both ends of going up valve body component (4), lower valve body component (5) all are provided with fixed connection structure (7), and fixed connection structure (7) and last valve body component (4), Two ends of the lower valve body component (5) are welded and connected, a connecting bolt (8) is arranged on the fixed connecting structure (7), the connecting bolt (8) is connected with the fixed connecting structure (7) in a penetrating way, the inner walls of the upper valve body component (4) and the lower valve body component (5) are both provided with a lining (9), and a bushing (9) is fixedly connected with the inner walls of the upper valve body component (4) and the lower valve body component (5), a valve seat (10) is arranged on the bushing (9), the valve seat (10) is nested with the bush (9), the upper end of the upper valve body component (4) is provided with a lug butterfly valve flange connecting block (11), and the lug butterfly valve flange connecting block (11) is welded and connected with the upper end of the upper valve body component (4), the lower end of the lower valve body component (5) is provided with a base (12), and a butterfly valve (13) is arranged on the valve seat (10).

2. The fluorine-lined lug butterfly valve of claim 1, wherein: an air compression pump (14) is arranged at the upper end of the pneumatic actuator (3), and the air compression pump (14) is connected with the upper end flange of the pneumatic actuator (3).

3. The fluorine-lined lug butterfly valve of claim 1, wherein: the end faces of the upper valve body component (4) and the lower valve body component (5) are provided with sealing structure blocks (15), the sealing structure blocks (15) are fixedly connected with the end faces of the upper valve body component (4) and the lower valve body component (5), a groove (16) is formed in each sealing structure block (15), and a convex block (17) is arranged beside the groove (16).

4. The fluorine-lined lug butterfly valve of claim 1, wherein: the pneumatic actuator (3) is provided with an actuator shell (18), the left end of the actuator shell (18) is provided with a left sealing component (19), the right end of the actuator shell (18) is provided with a right sealing component (20), four corners of the left sealing component (19) and the right sealing component (20) are provided with fastening screws (21), and the fastening screws (21) are connected with the four corners of the left sealing component (19) and the right sealing component (20) in a penetrating manner.

5. The fluorine-lined lug butterfly valve of claim 4, wherein: the upper end of executor casing (18) is provided with erection joint seat (22), and the upper end welded connection of erection joint seat (22) and executor casing (18), be provided with in the middle of executor casing (18) upper end and protect ring structure (23), and in the middle of protect ring structure (23) and executor casing (18) upper end welded connection, be provided with axle body pole (24) in the protect ring structure (23), the one end of axle body pole (24) is provided with connecting elements (25), be provided with interior octagon groove (28) on connecting elements (25).

6. The fluorine-lined lug butterfly valve of claim 1, wherein: the front end face of the pneumatic actuator (3) is provided with a first air inlet (26), and a second air inlet (27) is arranged beside the first air inlet (26).