CN214946432U

CN214946432U - Dismantle convenient eccentric formula butterfly valve

Info

Publication number: CN214946432U
Application number: CN202023324820.6U
Authority: CN
Inventors: 沈杰; 徐雪勤; 时玉财; 周学三
Original assignee: Anhui Xuhui Pump Valve Co ltd
Current assignee: Anhui Xuhui Pump Valve Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-30
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a dismantle convenient eccentric formula butterfly valve, including the under bracing seat, go up fixing base, valve body, butterfly plate, the under bracing seat upper surface is equipped with driven bevel gear, the last dwang of installing of driven bevel gear, the lower part side surface of dwang is equipped with the cross bar, power intracavity is equipped with manual bevel gear and electricity and drives bevel gear, one side surface mounting of going up the fixing base has the motor cover, install servo motor in the motor cover, install movable gear on servo motor's the actuating lever, the inner wall of valve body is equipped with anticorrosive inert material layer, install the butterfly plate in the valve body, butterfly plate central symmetry dislocation design, the left lamella lower surface and the right lamella upper surface of butterfly plate all are equipped with the powerful magnetic sheet of semicircle, powerful magnetic sheet corresponds with the steel ring. The utility model discloses with the two lamella dislocation designs of butterfly plate, improve the stability of butterfly plate, adopt manual and electric drive dual control, the life of valve body is further improved in the duplicate speed reduction.

Description

Dismantle convenient eccentric formula butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a dismantle convenient eccentric formula butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline fluid, and is a valve in which a butterfly plate is a disk, and rotates around a valve rod to make the butterfly plate rotate back and forth by about 90 degrees to open, close or regulate the fluid flow. The butterfly valve is simple in structure, small in size, light in weight, low in material consumption, small in installation size, small in driving moment, simple and convenient to operate and rapid, and can have a good flow regulation function and a sealing closing characteristic at the same time, the butterfly valve is one of the fastest valve varieties developed in recent ten years, the existing butterfly valve is more enhanced to be simply disassembled and convenient to install, however, a butterfly plate of the butterfly valve is generally straight, the pressure of a fluid pipeline received when the valve body is closed is too large, the butterfly plate is not stable enough, and the service life of the butterfly valve is shortened. Therefore, the utility model provides a dismantle convenient eccentric formula butterfly valve to solve the problem that proposes among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dismantle convenient eccentric formula butterfly valve to solve 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:

an eccentric butterfly valve convenient to disassemble comprises a lower supporting seat, an upper fixing seat, a valve body and a butterfly plate, wherein a driven bevel gear is arranged on the upper surface of the lower supporting seat, a rotating rod is installed on the driven bevel gear, a cross strip is arranged on the side surface of the lower part of the rotating rod, the cross strip and the rotating rod are integrally designed, a power cavity is formed in the lower surface of the upper fixing seat, a manual bevel gear and an electric bevel gear are arranged in the power cavity, a rotating shaft is installed at the right end of the electric bevel gear, a driven gear is sleeved on the rotating shaft, the rotating shaft is rotatably connected with the upper fixing seat, a motor sleeve is installed on the surface of one side of the upper fixing seat, a servo motor is installed in the motor sleeve, a remote control switch is connected onto the servo motor, a driving gear is installed on a driving rod of the servo motor, the driving gear is meshed with the driven gear, and the electric bevel gear is meshed with the driven bevel gear;

the integrative design of opposite side of valve body has thin footpath body, and the internal diameter of thin footpath body is less than the internal diameter of valve body, and the inner wall of valve body is equipped with anticorrosive inert material layer, and the inner wall of valve body is seted up flutedly with the central symmetry of butterfly plate, and the steel ring is installed to the embedded formula in the recess, installs the butterfly plate in the valve body, and the central symmetry dislocation design of butterfly plate, the cross jack has been seted up at the center of butterfly plate, and the cross jack is connected with the dwang plug-in card of taking the cross strip, and the left lamella lower surface and the right lamella upper surface of butterfly plate all are equipped with the strong magnetic sheet of semicircle, and strong magnetic sheet corresponds with the steel ring.

As a further proposal of the utility model, the upper surface of the lower supporting seat is provided with an upper fixing seat, and a sealing ring is clamped between the upper fixing seat and the lower supporting seat.

As the utility model discloses scheme further again, it has the bolt to go up the interior symmetry of fixing base and under bracing seat and run through, goes up the fixing base and passes through the bolt-up installation with the under bracing seat.

As the utility model discloses scheme further again, install manual pin on the manual bevel gear, the left end of manual pin runs through the fixing base, and manual pin rotates with last fixing base to be connected, and the hand wheel is installed to the right-hand member of manual pin.

As the utility model discloses scheme further again, valve body one side is equipped with the clamping ring, and clamping ring and the integrative design of valve body have run through a plurality of mounting hole in the clamping ring, through mounting hole with valve body and outside drainage matter pipeline fixed connection.

As the utility model discloses scheme further again, a plurality of mounting hole has been seted up to the lower surface of thin footpath body, and the lower surface mounting of thin footpath body has the sealing washer, advances fluid pipe fixed connection with thin footpath body and outside pipeline through the mounting hole.

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

1. the utility model discloses with the two lamella dislocation design of butterfly plate to with the inner wall joint of valve body, make the butterfly plate receive half of pressure can be undertaken by the valve body, improve the stability of butterfly plate, promote the life of valve body, be equipped with powerful magnetism in the junction of butterfly plate and valve body simultaneously and inhale piece and steel ring, further strengthen stability when making butterfly plate and valve body closed.

2. This use is novel to adopt manual and electric drive dual control, realizes long-range and direct control, adopts the minor diameter design at the gear of motor and bevel gear simultaneously, through the dual speed reduction, reduces the harm that the gear starts quick break-in an instant and produces, further improves the life of valve body.

Drawings

Fig. 1 is a schematic structural view of an eccentric butterfly valve which is convenient to disassemble.

Fig. 2 is a schematic structural view of a butterfly plate in an eccentric butterfly valve convenient to disassemble.

Fig. 3 is a side view of an electrically driven bevel gear in an eccentric butterfly valve that is easy to disassemble.

In the figure: 1. a driven bevel gear; 2. electrically driven bevel gears; 3. a manual bevel gear; 4. a manual driving lever; 5. a hand wheel; 6. a layer of corrosion-resistant inert material; 8. rotating the rod; 9. a butterfly plate; 10. a valve body; 11. a lower support seat; 12. a seal ring; 13. a power cavity; 14. an upper fixed seat; 15. a bolt; 16. a connecting ring; 17. a small-diameter pipe body; 18. mounting holes; 19. steel rings; 20. a strong magnetic sheet; 21. a cross jack; 22. a motor cover; 23. a slave gear; 24. a servo motor; 25. and a moving gear.

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.

Referring to fig. 1 to 3, in the embodiment of the present invention, an eccentric butterfly valve with convenient disassembly includes a lower support base 11, an upper fixing base 14, a valve body 10, and a butterfly plate 9, wherein a driven bevel gear 1 is disposed on an upper surface of the lower support base 11, a rotation rod 8 is mounted on the driven bevel gear 1, a cross bar is disposed on a lower side surface of the rotation rod 8, the cross bar and the rotation rod 8 are integrally designed, an upper fixing base 14 is mounted on an upper surface of the lower support base 11, a seal ring 12 is sandwiched between the upper fixing base 14 and the lower support base 11, bolts 15 symmetrically penetrate through the upper fixing base 14 and the lower support base 11, the upper fixing base 14 and the lower support base 11 are fastened and mounted by bolts 15, a power cavity 13 is disposed on a lower surface of the upper fixing base 14, a manual bevel gear 3 and an electric drive bevel gear 2 are disposed in the power cavity 13, a manual drive rod 4 is mounted on the manual bevel gear 3, a left end of the manual drive rod 4 penetrates through the upper fixing base 14, the manual driving rod 4 is rotatably connected with the upper fixing seat 14, the hand wheel 5 is mounted at the right end of the manual driving rod 4, the rotating shaft is mounted at the right end of the electrically-driven bevel gear 2, the driven gear 23 is sleeved on the rotating shaft, the rotating shaft is rotatably connected with the upper fixing seat 14, the motor sleeve 22 is mounted on the surface of one side of the upper fixing seat 14, the servo motor 24 is mounted in the motor sleeve 22, the servo motor 24 is connected with a remote control switch, the driving rod of the servo motor 24 is provided with the moving gear 25, the moving gear 25 is meshed with the driven gear 23, and the electrically-driven bevel gear 2 is meshed with the driven bevel gear 1;

a connecting ring 16 is arranged on one side of the valve body 10, the connecting ring 16 and the valve body 10 are designed integrally, a plurality of mounting holes 18 penetrate through the connecting ring 16, the valve body 10 is fixedly connected with an external fluid discharge pipeline through the mounting holes 18, a thin-diameter pipe body 17 is designed integrally on the other side of the valve body 10, the inner diameter of the thin-diameter pipe body 17 is smaller than that of the valve body 10, a plurality of mounting holes 18 are formed in the lower surface of the thin-diameter pipe body 17, a sealing ring 12 is mounted on the lower surface of the thin-diameter pipe body 17, the thin-diameter pipe body 17 is fixedly connected with the external pipeline fluid inlet pipe through the mounting holes 18, an anticorrosive inert material layer 6 is arranged on the inner wall of the valve body 10, grooves are symmetrically formed in the center of the butterfly plate 9 in the inner wall of the valve body 10, steel rings 19 are embedded in the grooves, the butterfly plate 9 is mounted in the valve body 10, the butterfly plate 9 is designed in a centrally symmetrical manner, a cross-shaped jack 21 is formed in the center of the butterfly plate 9, and the cross jack 21 is connected with a rotating rod 8 with a cross-shaped rotating rod in a plug-in a manner, the lower surface of the left flap and the upper surface of the right flap of the butterfly plate 9 are both provided with a half circle of strong magnetic sheets 20, and the strong magnetic sheets 20 correspond to the steel ring 19.

The utility model discloses a theory of operation is: by pushing the hand wheel 5, the hand bevel gear 3 is meshed with the driven bevel gear 1, then the hand wheel 5 is rotated, the driven bevel gear 1 drives the butterfly plate 9 to rotate through the rotating rod 8, the interior of the valve body 10 is closed or communicated, the hand wheel 5 is pulled open, the hand bevel gear 3 is separated from the driven bevel gear 1, the servo motor 24 is controlled to start through the remote control switch, the driven gear 23 is driven to rotate by the moving gear 25 because the moving gear 25 is smaller than the driven gear 23, the first step of speed reduction is realized, the driven gear 23 drives the electric bevel gear 2 to rotate through the rotating shaft, the electric bevel gear 2 drives the rotating rod 8 to rotate through the driven bevel gear 1, the diameter of the electric bevel gear 2 is smaller than that of the driven bevel gear 1, the second step of speed reduction is realized, the damage caused by the running-in of the quick start of the gear is reduced, the double control function of the remote electric drive control and the manual control is realized, the dislocation design of the butterfly plate 9, when the valve body 10 is closed, half of pressure borne by the butterfly plate 9 is borne by the valve body 10, toggle abrasion of the butterfly plate 9 is reduced, meanwhile, the stability of the butterfly plate 9 when the butterfly plate is closed is further enhanced through magnetic attraction of the strong magnetic sheet 20 and the steel ring 19, the thin-path pipe body 17 is connected with a fluid inlet pipeline, fluid enters the large cavity through the small cavity, part of potential energy is reduced, and impact on the butterfly plate 9 is reduced.

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. An eccentric butterfly valve convenient to disassemble comprises a lower supporting seat (11), an upper fixing seat (14), a valve body (10) and a butterfly plate (9) and is characterized in that a driven bevel gear (1) is arranged on the upper surface of the lower supporting seat (11), a rotating rod (8) is installed on the driven bevel gear (1), a cross-shaped strip is arranged on the side surface of the lower part of the rotating rod (8), the cross-shaped strip and the rotating rod (8) are integrally designed, a power cavity (13) is formed in the lower surface of the upper fixing seat (14), a manual bevel gear (3) and an electric drive bevel gear (2) are arranged in the power cavity (13), a rotating shaft is installed at the right end of the electric drive bevel gear (2), a driven gear (23) is sleeved on the rotating shaft, the rotating shaft is rotatably connected with the upper fixing seat (14), a motor sleeve (22) is installed on the surface of one side of the upper fixing seat (14), and a servo motor (24) is installed in the motor sleeve (22), a remote control switch is connected to the servo motor (24), a driving rod of the servo motor (24) is provided with a moving gear (25), the moving gear (25) is meshed with the driven gear (23), and the electrically driven bevel gear (2) is meshed with the driven bevel gear (1);

the utility model discloses a valve body, including valve body (10), the other side of valve body (10) is integrative to be designed there is thin footpath body (17), the internal diameter of thin footpath body (17) is less than the internal diameter of valve body (10), the inner wall of valve body (10) is equipped with anticorrosive inert material layer (6), the inner wall of valve body (10) is seted up flutedly with the central symmetry of butterfly plate (9), steel ring (19) are installed to the embedded formula in the recess, install butterfly plate (9) in valve body (10), butterfly plate (9) central symmetry dislocation design, cross jack (21) have been seted up at the center of butterfly plate (9), cross jack (21) are connected with dwang (8) plug-in card of taking the cross strip, the left lamella lower surface and the right lamella upper surface of butterfly plate (9) all are equipped with semicircle powerful magnetic sheet (20), powerful magnetic sheet (20) correspond with steel ring (19).

2. An eccentric butterfly valve easy to disassemble as claimed in claim 1, wherein the upper fixed seat (14) is installed on the upper surface of the lower support seat (11), and a sealing ring (12) is clamped between the upper fixed seat (14) and the lower support seat (11).

3. An eccentric butterfly valve convenient to disassemble according to claim 1, wherein bolts (15) symmetrically penetrate through the upper fixing seat (14) and the lower supporting seat (11), and the upper fixing seat (14) and the lower supporting seat (11) are fixedly installed through the bolts (15).

4. An eccentric butterfly valve convenient to disassemble according to claim 1, wherein a manual driving rod (4) is installed on the manual bevel gear (3), the left end of the manual driving rod (4) penetrates through the upper fixing seat (14), the manual driving rod (4) is rotatably connected with the upper fixing seat (14), and a hand wheel (5) is installed at the right end of the manual driving rod (4).

5. An eccentric butterfly valve with convenient disassembly according to claim 1, characterized in that a connecting ring (16) is arranged on one side of the valve body (10), the connecting ring (16) is designed integrally with the valve body (10), a plurality of mounting holes (18) penetrate through the connecting ring (16), and the valve body (10) is fixedly connected with an external fluid discharge pipeline through the mounting holes (18).

6. The eccentric butterfly valve convenient to disassemble as claimed in claim 1, wherein a plurality of mounting holes (18) are formed in the lower surface of the small-diameter pipe body (17), the sealing ring (12) is mounted on the lower surface of the small-diameter pipe body (17), and the small-diameter pipe body (17) is fixedly connected with an external pipeline inflow pipe through the mounting holes (18).