CN211059382U

CN211059382U - Pneumatic high-performance zero-leakage hard seal butterfly valve

Info

Publication number: CN211059382U
Application number: CN201922191254.7U
Authority: CN
Inventors: 许龙
Original assignee: Shanghai Jingang Automatic Control Valve Co ltd
Current assignee: Shanghai Jingang Automatic Control Valve Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-21
Anticipated expiration: 2029-12-03

Abstract

The utility model belongs to the technical field of valve body equipment, in particular to a pneumatic high-performance zero-leakage hard sealing butterfly valve, which comprises a valve body, wherein the bottom end of the valve body is fixed with a lower cover plate through an inner hexagon screw, a valve rod penetrates through the valve body, an axle sleeve is arranged at the joint of the valve rod and the valve body, a disc plate is arranged on the valve rod through a cylindrical pin, a pressing plate ring is arranged on the disc plate through the inner hexagon screw, a sealing ring is arranged between the pressing plate ring and the disc plate, the upper end of the valve body is provided with a bolt, the support is installed to spring washer and flat pad, is provided with pneumatic actuator on the support, valve rod and pneumatic actuator fixed connection, and valve body one side is provided with filter equipment, and filter equipment includes filter screen, cleaning device and storage device, and the filter screen passes through the water inlet that installation device fixed at the valve body, and the filter screen upper end is provided with cleaning device, and the filter screen bottom is provided with storage device. The utility model discloses the leakproofness is high, can automatic control, can cross automatically and filter clearance impurity, and the practicality is strong.

Description

Pneumatic high-performance zero-leakage hard seal butterfly valve

Technical Field

The utility model relates to a pneumatic high performance zero leaks butterfly valve sealed firmly belongs to valve body equipment technical field.

Background

Most do not set up filter equipment for current sealed butterfly valve, get off for a long time and lead to impurity to pile up and make sealed butterfly valve block up, influence its normal work, it is more troublesome to maintain the cleaning work simultaneously, and current sealed butterfly valve is mostly manual to be opened and shut, and above-mentioned problem is solved to the pneumatic high performance zero leakage hard seal butterfly valve of present design.

Disclosure of Invention

An object of the utility model is to provide a pneumatic high performance zero leaks butterfly valve sealed firmly solves the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pneumatic high performance zero leakage butterfly valve sealed firmly, includes the valve body, and the valve body bottom has lower apron through hexagon socket head cap screw fixation, and the valve rod runs through the valve body setting, and the valve rod is provided with the axle sleeve with the valve body junction, be provided with the dish board through the cylindric lock on the valve rod, be provided with the clamp plate circle through hexagon socket head cap screw on the dish board, be provided with the sealing washer between clamp plate circle and the dish board, the support is installed through bolt, nut, spring washer and flat pad to the valve body upper end, be provided with pneumatic actuator on the support, valve rod and pneumatic actuator fixed connection, valve body one side is provided with filter equipment, filter equipment includes filter screen, cleaning device and storage device, the filter screen passes through the water inlet that installation device fixed at the valve body, the filter screen upper end is provided.

Preferably, the mounting device comprises a mounting block, a clamping groove is formed in the mounting block, a clamping block is arranged on the filter screen, the clamping block and the clamping groove are mutually matched, a magnet is fixedly arranged on the clamping block, and the magnet and the clamping groove are mutually attracted.

Preferably, the cleaning device comprises a push rod motor, a push rod and a cleaning strip, the push rod motor is arranged at the upper end of the valve body, the cleaning strip is arranged on the push rod of the push rod motor, and the cleaning strip is arranged in the valve body.

Preferably, the cleaning strip has elasticity, the cleaning strip is the same as the inner diameter of the valve body when in a straight state, and the push rod is connected with the valve body in a sliding and sealing mode.

Preferably, the storage device comprises a storage tank, the storage tank is arranged at the bottom end of the valve body, the top end of the storage tank is symmetrically provided with a cover plate through an elastic rotating shaft, the middle of the cover plate is symmetrically provided with through holes matched with the push rods, and the bottom end of the storage tank is provided with a sealing bottom plate.

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

the utility model belongs to the technical field of valve body equipment, specifically disclose a pneumatic high performance zero leakage butterfly valve sealed firmly, the switch of butterfly valve can be controlled through the pneumatic actuator who sets up, and the filter equipment of setting can prevent that impurity in the fluid from causing the jam of butterfly valve, and is provided with cleaning device and carries out automatic clearance to the filter screen, and the impurity that can temporarily preserve the clearance is hidden in the storage of setting, makes things convenient for cleaing away of impurity, the utility model discloses simple structure, convenient operation, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cleaning device of the present invention;

FIG. 3 is a schematic view of the mounting device of the present invention;

in the figure: 1. a valve body; 2. a socket head cap screw; 3. a lower cover plate; 4. a valve stem; 5. a shaft sleeve; 6. a cylindrical pin; 7. a plate; 8. a platen ring; 9. a seal ring; 10. a bolt; 11. a nut; 12. a spring washer; 13. flattening the cushion; 14. a support; 15. a pneumatic actuator; 16. a filtration device; 17. a filter screen; 18. a cleaning device; 19. a storage device; 20. a mounting device; 21. mounting blocks; 22. a card slot; 23. a clamping block; 24. a magnet; 25. a push rod motor; 26. a push rod; 27. cleaning strips; 28. a storage tank; 29. an elastic rotating shaft; 30. a cover plate; 31. a through hole; 32. and sealing the bottom plate.

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

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a pneumatic high-performance zero-leakage hard seal butterfly valve comprises a valve body 1, a lower cover plate 3 is fixed at the bottom end of the valve body 1 through an inner hexagonal screw 2, a valve rod 4 penetrates through the valve body 1, an axle sleeve 5 is arranged at the joint of the valve rod 4 and the valve body 1, a disc plate 7 is arranged on the valve rod 4 through a cylindrical pin 6, a pressing plate ring 8 is arranged on the disc plate 7 through the inner hexagonal screw 2, a sealing ring 9 is arranged between the pressing plate ring 8 and the disc plate 7, a support 14 is arranged at the upper end of the valve body 1 through a bolt 10, a nut 11, a spring washer 12 and a flat gasket 13, a pneumatic actuator 15 is arranged on the support 14, the valve rod 4 is fixedly connected with the pneumatic actuator 15, a filter device 16 is arranged at one side of the valve body 1, the filter device 16 comprises a filter screen 17, a cleaning device 18 and a storage device 19, the upper end of the filter screen 17 is provided with a cleaning device 18, and the bottom end of the filter screen 17 is provided with a storage device 19.

Further, the mounting device 20 includes a mounting block 21, a clamping groove 22 is provided on the mounting block 21, a clamping block 23 is provided on the filter screen 17, the clamping block 23 and the clamping groove 22 are fitted with each other, a magnet 24 is fixedly provided on the clamping block 23, and the magnet 24 and the clamping groove 22 attract each other.

Further, the cleaning device 18 comprises a push rod motor 25, a push rod 26 and a cleaning strip 27, wherein the push rod motor 25 is arranged at the upper end of the valve body 1, the cleaning strip 27 is arranged on the push rod 26 of the push rod motor 25, and the cleaning strip 27 is arranged in the valve body 1.

Further, the cleaning strip 27 has elasticity, the diameter of the cleaning strip 27 is the same as the inner diameter of the valve body 1 when the cleaning strip 27 is in a straight state, and the push rod 26 is connected with the valve body 1 in a sliding and sealing mode.

Further, the storage device 19 includes a storage groove 28, the storage groove 28 is disposed at the bottom end of the valve body 1, a cover plate 30 is symmetrically disposed at the top end of the storage groove 28 through an elastic rotating shaft 29, through holes 31 matched with the push rods 26 are symmetrically disposed at the middle of the cover plate 30, and a sealing bottom plate 32 is disposed at the bottom end of the storage groove 28.

The working principle is as follows: the utility model relates to a pneumatic high performance zero leakage hard seal butterfly valve, during the use, can use valve body 1 installation, drive valve rod 4 through pneumatic actuator 15 work and rotate thereby control opening and closing of butterfly valve, when fluid passes through the butterfly valve, at first filter the impurity in the fluid through filter screen 17 in filter equipment 16, the adhesion is on filter screen 17 under the impact of fluid after the impurity filters, push rod motor 25 work drives push rod 26 descends and makes cleaning strip 27 on push rod 26 move downwards, cleaning strip 27 breaks away from the compression of valve body 1 gradually in the process of moving, make cleaning strip 27 both ends straighten gradually and make cleaning strip 27 clean filter screen 17 comprehensively, cleaning strip 27 is the same with the internal diameter of butterfly valve when straight state, consequently can effectively clean filter screen 17, along with the decline of push rod 26, cleaning strip 27 pushes impurity to the storage tank 28 of below, the cleaning strip 27 is pressed to the cover plate 30 at the top end of the storage tank 28, so that the cover plate 30 moves downwards, the cleaning strip 27 pushes impurities into the storage tank 28, then the push rod motor 25 drives the push rod 26 to ascend, so that the push rod 26 drives the cleaning strip 27 to ascend, the cover plate 30 returns to the original position under the action of the elastic rotating shaft 29 to cover the storage tank 28, so that the impurities are stored in the storage tank 28, the cleaning strip 27 returns to the top of the valve body 1 under the drive of the push rod 26, and a worker periodically opens the sealing bottom plate 32 at the bottom end of the storage tank 28 to clean the storage tank 28.

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

Claims

1. The utility model provides a pneumatic high performance zero leaks butterfly valve sealed firmly which characterized in that: the valve comprises a valve body (1), wherein a lower cover plate (3) is fixed at the bottom end of the valve body (1) through an inner hexagonal screw (2), a valve rod (4) penetrates through the valve body (1) to be arranged, a shaft sleeve (5) is arranged at the joint of the valve rod (4) and the valve body (1), a disc plate (7) is arranged on the valve rod (4) through a cylindrical pin (6), a pressing plate ring (8) is arranged on the disc plate (7) through the inner hexagonal screw (2), a sealing ring (9) is arranged between the pressing plate ring (8) and the disc plate (7), a support (14) is installed at the upper end of the valve body (1) through a bolt (10), a nut (11), a spring washer (12) and a flat gasket (13), a pneumatic actuator (15) is arranged on the support (14), the valve rod (4) is fixedly connected with the pneumatic actuator (15), a filtering device (16) is arranged on one side of the valve body (1, Cleaning device (18) and storage device (19), filter screen (17) are fixed at the water inlet of valve body (1) through installation device (20), filter screen (17) upper end is provided with cleaning device (18), filter screen (17) bottom is provided with storage device (19).

2. The pneumatic high performance zero leakage hard seal butterfly valve of claim 1, wherein: the mounting device (20) comprises a mounting block (21), a clamping groove (22) is formed in the mounting block (21), a clamping block (23) is arranged on the filter screen (17), the clamping block (23) is matched with the clamping groove (22) mutually, a magnet (24) is fixedly arranged on the clamping block (23), and the magnet (24) and the clamping groove (22) are mutually attracted.

3. The pneumatic high performance zero leakage hard seal butterfly valve of claim 1, wherein: cleaning device (18) include push rod motor (25), push rod (26) and cleaning strip (27), push rod motor (25) set up in valve body (1) upper end, be provided with cleaning strip (27) on push rod (26) of push rod motor (25), cleaning strip (27) set up in valve body (1).

4. A pneumatic high performance zero leakage hard seal butterfly valve according to claim 3, wherein: the cleaning strip (27) has elasticity, the cleaning strip (27) is the same as the inner diameter of the valve body (1) in a straight state, and the push rod (26) is connected with the valve body (1) in a sliding and sealing mode.

5. The pneumatic high performance zero leakage hard seal butterfly valve of claim 1, wherein: the storage device (19) comprises a storage groove (28), the storage groove (28) is arranged at the bottom end of the valve body (1), cover plates (30) are symmetrically arranged at the top end of the storage groove (28) through elastic rotating shafts (29), through holes (31) matched with the push rods (26) are symmetrically formed in the middle of the cover plates (30), and a sealing bottom plate (32) is arranged at the bottom end of the storage groove (28).