CN212775642U

CN212775642U - Titanium and titanium alloy double-eccentric butterfly valve

Info

Publication number: CN212775642U
Application number: CN202021293282.6U
Authority: CN
Inventors: 叶国梁; 唐家权; 吕统烈
Original assignee: Naisen Valve Industry Co ltd
Current assignee: Naisen Valve Industry Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-23
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a two eccentric butterfly valves of titanium and titanium alloy relates to eccentric butterfly valve technical field, including built-in clamp plate, evenly distributed's circular hole is seted up to the top surface and the bottom surface of built-in clamp plate, the hole threaded connection of built-in clamp plate top surface and bottom surface has fixation nut No. one, the outside swing joint of built-in clamp plate has external clamp plate. This titanium and titanium alloy double-eccentric butterfly valve, through setting up double-eccentric butterfly valve, the rotation that utilizes the rotation axostylus axostyle drives the closing plate and takes place angular migration, the inboard of having guaranteed closing plate and built-in clamp plate carries out stable closure and opens, utilize the rotation axostylus axostyle to be located the inboard the central axis position of built-in clamp plate to avoid the frictional resistance between closing plate and the built-in clamp plate to fall to minimumly simultaneously, thereby the effectual sealing performance who realizes this double-eccentric butterfly valve, and utilize the effectual life who guarantees the device of centrifugation.

Description

Titanium and titanium alloy double-eccentric butterfly valve

Technical Field

The utility model relates to an eccentric butterfly valve technical field specifically is a titanium and two eccentric butterfly valves of titanium alloy.

Background

With the gradual improvement and erection of water flow systems in social towns, people need to use valve equipment for controlling water flow for different water flows of water sources, particularly for controlling a series of water flow source drainage pipelines such as sewers and tap water pipelines in some towns, and therefore people need a titanium and titanium alloy double-offset centrifugal butterfly valve.

There are valve port controlgear of a lot of pipelines on the market at present, the rotation of closing plate is driven through the rotation of axis of rotation to usual single butterfly valve during operation, make the valve plate of closing plate extrude the closing plate base gradually, and then play sealed effect, but very strong frictional resistance produces between this type of butterfly valve can and the closing plate base, still can lead to the problem that the valve seals up when using rusty for a long time simultaneously, some butterfly valve devices have only set up unidirectional connector, this type of butterfly valve often only is fit for horizontal or fore-and-aft pipe connection port, and the commonality of this type of butterfly valve device is not very high, we have proposed a titanium and two eccentric butterfly valve of titanium alloy for this reason.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, the utility model provides a titanium and titanium alloy double-eccentric butterfly valve has solved the problem that proposes in the above-mentioned background art, for purpose more than realizing, the utility model discloses a following technical scheme realizes: a titanium and titanium alloy double-eccentric butterfly valve comprises an internal pressing plate, wherein the top surface and the bottom surface of the internal pressing plate are provided with uniformly distributed circular holes, the holes on the top surface and the bottom surface of the internal pressing plate are in threaded connection with a first fixing nut, the external part of the internal pressing plate is movably connected with an external pressing plate, the external part of the external pressing plate is provided with symmetrically distributed circular grooves, the circular grooves on the external part of the external pressing plate are in threaded connection with a second fixing nut which are symmetrically distributed, one end of the second fixing nut penetrates through and extends to the inner side of the external pressing plate, the central position inside the internal pressing plate is fixedly connected with an air cushion frame, the inner side of the internal pressing plate is movably connected with a sealing plate, the internal part of the internal pressing plate is fixedly connected with a stabilizing clamping block, the external part of the air cushion frame is fixedly connected, the fixture comprises a fixing block and a stabilizing clamping block, and is characterized in that an exhaust pipe is fixedly connected to the other side of the interior of the stabilizing clamping block, a hollow fixing pipe is fixedly connected to the interior of the stabilizing clamping block, a hollow groove is formed in the hollow fixing pipe, a rotating shaft rod is movably connected to the hollow groove in the hollow fixing pipe, an installation box is fixedly connected to the exterior of the hollow fixing pipe, an air inlet pipe and the exhaust pipe penetrate through and extend to the exterior of the installation box, a sealing plate is fixedly connected to one end of the rotating shaft rod, and the sealing plate is.

Optionally, the shape of the built-in pressure plate is H-shaped, the first fixing nuts in threaded connection with the top surface and the bottom surface of the built-in pressure plate are annularly distributed, the number of the first fixing nuts is eight, and the first fixing nuts are fixedly connected with six-sided nuts relative to one end of the inner side of the built-in pressure plate.

Optionally, the ring shape notch has been seted up to the inboard of air cushion frame, the ring shape notch fixedly connected with air cushion ring of air cushion frame inboard, and the material of air cushion ring is made for rubber, two interfaces have been seted up to the outside of air cushion ring, the interface of the inside air cushion ring of air cushion frame and the port mutual adaptation of intake pipe and blast pipe, the appearance of intake pipe and blast pipe is L shape, and intake pipe and blast pipe are the symmetric distribution.

Optionally, a circular valve plate is fixedly connected to the bottom surface of the sealing plate, the circular valve plate at the bottom of the sealing plate is matched with an annular opening on the inner side of the built-in pressure plate, the center of the rotating shaft lever deviates from the center of the sealing plate, the center of the rotating shaft lever also deviates from the center of the double butterfly valve device, and a thread is formed at the other end of the rotating shaft lever.

Optionally, the whole size of No. two fixation nut is twice the whole size of a fixation nut, No. two fixation nut is two-way screw thread post, and No. two fixation nut's outside threaded connection has the nut.

The utility model provides a two eccentric butterfly valves of titanium and titanium alloy possesses following beneficial effect:

1. this titanium and titanium alloy double-eccentric butterfly valve, through setting up double-eccentric butterfly valve, the rotation that utilizes the rotation axostylus axostyle drives the closing plate and takes place angular migration, the inboard of having guaranteed closing plate and built-in clamp plate carries out stable closure and opens, utilize the rotation axostylus axostyle to be located the inboard the central axis position of built-in clamp plate to avoid the frictional resistance between closing plate and the built-in clamp plate to fall to minimumly simultaneously, thereby the effectual sealing performance who realizes this double-eccentric butterfly valve, and utilize the effectual life who guarantees the device of centrifugation.

2. This titanium and two eccentric butterfly valves of titanium alloy through the top surface at built-in clamp plate and a fixation nut of bottom surface fixed connection evenly distributed, simultaneously at No. two fixation nuts of the relative distribution of outside threaded connection of external clamp plate, utilize two kinds of fixation nuts to guarantee that the device can carry out fixed connection to different open-ended pipelines to effectual double-port's that has realized this two butterfly valves the purpose, great increase this two butterfly valves's commonality ability.

Drawings

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

fig. 2 is a schematic view of the eccentric butterfly valve according to the present invention;

fig. 3 is a schematic view of the dispersing structure of the eccentric butterfly valve of the present invention.

In the figure: 1. a pressing plate is arranged inside; 2. a first fixing nut; 3. an air cushion frame; 4. a sealing plate; 5. stabilizing the fixture block; 6. a hollow fixed tube; 7. rotating the shaft lever; 8. an air inlet pipe; 9. an exhaust pipe; 10. installing a box; 11. an external pressing plate; 12. and a second fixing nut.

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 to 3, the present invention provides a technical solution: a titanium and titanium alloy double eccentric butterfly valve comprises an internal pressure plate 1, wherein round holes are uniformly distributed on the top surface and the bottom surface of the internal pressure plate 1, the holes on the top surface and the bottom surface of the internal pressure plate 1 are in threaded connection with a first fixing nut 2, the appearance of the internal pressure plate 1 is H-shaped, the first fixing nuts 2 in threaded connection on the top surface and the bottom surface of the internal pressure plate 1 are in annular distribution, the number of the first fixing nuts 2 is eight, a six-side nut is fixedly connected to one end of the first fixing nut 2 opposite to the inner side of the internal pressure plate 1, through the arrangement of the first fixing nuts 2, different pipelines can be tightly attached to annular valve ports on two sides of the internal pressure plate 1 by utilizing the threaded connection capacity of the multiple groups of the first fixing nuts 2, so that the problem that the double butterfly valve leaks when treating water flow is effectively prevented, and further the phenomenon that the pipeline device fails due to water, the external pressing plate 1 is movably connected with the external pressing plate 11, circular grooves are symmetrically distributed on the external of the external pressing plate 11, the circular grooves on the external of the external pressing plate 11 are in threaded connection with second fixing nuts 12 which are symmetrically distributed, the overall size of the second fixing nuts 12 is twice that of the first fixing nuts 2, the second fixing nuts 12 are two-way threaded columns, nuts are connected to the external threads of the second fixing nuts 12, one ends of the second fixing nuts 12 penetrate through and extend to the inner side of the external pressing plate 11, the second fixing nuts 12 which are oppositely distributed are also arranged on the external of the external pressing plate 11, the capacity of two-way threaded connection of the second fixing nuts 12 is utilized, the external pressing plate 11 is effectively and tightly clamped in a ring on the external of the internal pressing plate 1, and meanwhile, the quick connection of the double butterfly valve to some transverse devices can be effectively realized by utilizing the reverse threaded connection of the second fixing nuts 12, further ensuring the multifunctional practicability of the double butterfly valve, an air cushion frame 3 is fixedly connected at the central position inside the built-in pressure plate 1, a sealing plate 4 is movably connected at the inner side of the built-in pressure plate 1, a stable clamping block 5 is fixedly connected inside the built-in pressure plate 1, the outer part of the air cushion frame 3 is fixedly connected at one side of the stable clamping block 5, an air inlet pipe 8 is fixedly connected at one side inside the stable clamping block 5, an exhaust pipe 9 is fixedly connected at the other side inside the stable clamping block 5, a circular ring-shaped notch is formed in the inner side of the air cushion frame 3, an air cushion ring is fixedly connected at the circular ring-shaped notch in the inner side of the air cushion frame 3, the air cushion ring inside the air cushion frame 3 is made of rubber, and can be rapidly expanded and extruded towards the inside of the built-in pressure plate 1 by utilizing the air inlet and exhaust capacities of the air inlet pipe 8, and further the air tightness of the double butterfly valve can be further ensured by utilizing the extrusion of the air cushion ring, two interfaces are arranged outside the air cushion ring, the interface of the air cushion ring inside the air cushion frame 3 is mutually matched with the ports of the air inlet pipe 8 and the air outlet pipe 9, the air inlet pipe 8 and the air outlet pipe 9 are in L shapes, the air inlet pipe 8 and the air outlet pipe 9 are symmetrically distributed, the air inlet pipe 8 and the air outlet pipe 9 are arranged as the air inlet and air outlet ports of the air cushion ring inside the air cushion frame 3, so that the rapid air tightness pressing of the double butterfly valve can be effectively realized by a user by utilizing the air inlet pipe 8 and the air outlet pipe 9, the hollow fixing pipe 6 is fixedly connected inside the stabilizing fixture block 5, the hollow groove is arranged inside the hollow fixing pipe 6, the hollow groove inside the hollow fixing pipe 6 is movably connected with a rotating shaft lever 7, the circular valve plate at the bottom of the sealing plate 4 is matched with the annular opening on the inner side of the built-in pressure plate 1, the center of the rotating shaft rod 7 deviates from the center of the sealing plate 4, the center of the rotating shaft rod 7 also deviates from the center of the double butterfly valve device, the other end of the rotating shaft rod 7 is provided with threads, the outer part of the hollow fixed pipe 6 is fixedly connected with an installation box 10, an air inlet pipe 8 and an air outlet pipe 9 penetrate through and extend to the outer part of the installation box 10, one end of the rotating shaft rod 7 is fixedly connected with the sealing plate 4, the sealing plate 4 is positioned on the inner side of the built-in pressure plate 1, the sealing plate 4 is driven to generate angular deviation by utilizing the rotation of the rotating shaft rod 7, the stable closing and opening of the sealing plate 4 and the inner side of the built-in pressure plate 1 are ensured, and meanwhile, the friction resistance between the, and then the center of the rotating shaft lever 7 deviates from the center of the sealing plate 4, and the center of the rotating shaft lever 7 also deviates from the center of the double butterfly valve device, so that the friction resistance on the inner side of the valve is effectively reduced, and the service life of the double butterfly valve is further prolonged.

To sum up, when the titanium and titanium alloy double-eccentric butterfly valve is used, a user needs to sleeve the external pressing plate 11 outside the internal pressing plate 1, then the evenly distributed second fixing nuts 12 are screwed into the second fixing nuts 12, then two different fixing nuts of the double-eccentric butterfly valve are butt-jointed into different pipelines and equipment in a targeted manner, then the rotation of the rotating shaft rod 7 is controlled to drive the sealing plate 4 to deviate in an angle, so that the valve is in a closed state and an open state, then when the sealing plate 4 is in the closed state, the user firstly limits and fixes the rotating shaft rod 7, then the air is inflated into the air inlet pipe 8, so that the air bag inside the air cushion frame 3 is rapidly bulged, the interior of the valve is more tightly prevented from flowing of a water source, and when the valve needs to be opened to drain water, the air outlet pipe 9 is opened to exhaust air bag inside the air cushion frame 3, the exhaust pipe 9 is then closed and the turning shaft 7 is turned, so that it is completed.

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 two eccentric butterfly valves of titanium and titanium alloy, includes built-in clamp plate (1), its characterized in that: the top surface and the bottom surface of the built-in pressing plate (1) are provided with uniformly distributed circular holes, the holes on the top surface and the bottom surface of the built-in pressing plate (1) are in threaded connection with first fixing nuts (2), the external part of the built-in pressing plate (1) is movably connected with an external pressing plate (11), the external part of the external pressing plate (11) is provided with symmetrically distributed circular grooves, the circular grooves on the external part of the external pressing plate (11) are in threaded connection with second fixing nuts (12) which are symmetrically distributed, one end of each second fixing nut (12) penetrates through and extends to the inner side of the external pressing plate (11), the central position inside the built-in pressing plate (1) is fixedly connected with an air cushion frame (3), the inner side of the built-in pressing plate (1) is movably connected with a sealing plate (4), the inside of the built-in pressing plate (1) is fixedly connected with a stabilizing clamping block (5), and the outside, stabilize inside one side fixedly connected with intake pipe (8) of fixture block (5), stabilize inside opposite side fixedly connected with blast pipe (9) of fixture block (5), the hollow fixed pipe (6) of the inside fixedly connected with of fixture block (5), the cavity recess has been seted up to the inside of hollow fixed pipe (6), the cavity recess swing joint inside hollow fixed pipe (6) has rotating shaft pole (7), the outside fixedly connected with install bin (10) of hollow fixed pipe (6), and intake pipe (8) and blast pipe (9) pass and extend to the outside of install bin (10), the one end fixedly connected with closing plate (4) of rotating shaft pole (7), closing plate (4) are located the inboard of built-in clamp plate (1).

2. The titanium and titanium alloy double eccentric butterfly valve according to claim 1, characterized in that: the appearance of the built-in pressing plate (1) presents H shape, No. one fixation nut (2) of built-in pressing plate (1) top surface and bottom surface threaded connection is the annular and distributes, the quantity of No. one fixation nut (2) is eight groups, No. one fixation nut (2) is six face nut for the inboard one end fixedly connected with of built-in pressing plate (1).

3. The titanium and titanium alloy double eccentric butterfly valve according to claim 1, characterized in that: the ring shape notch has been seted up to the inboard of air cushion frame (3), the inboard ring shape notch fixedly connected with air cushion ring of air cushion frame (3), and the material of air cushion ring is made for rubber, two interfaces have been seted up to the outside of air cushion ring, the interface of the inside air cushion ring of air cushion frame (3) and the port mutual adaptation of intake pipe (8) and blast pipe (9), the appearance of intake pipe (8) and blast pipe (9) is L shape, and intake pipe (8) and blast pipe (9) are the symmetric distribution.

4. The titanium and titanium alloy double eccentric butterfly valve according to claim 1, characterized in that: the double butterfly valve device is characterized in that a circular valve plate is fixedly connected to the bottom surface of the sealing plate (4), the circular valve plate at the bottom of the sealing plate (4) is matched with an annular opening in the inner side of the built-in pressure plate (1), the center of the rotating shaft rod (7) deviates from the center of the sealing plate (4), the center of the rotating shaft rod (7) also deviates from the center of the double butterfly valve device, and threads are formed in the other end of the rotating shaft rod (7).

5. The titanium and titanium alloy double eccentric butterfly valve according to claim 1, characterized in that: the whole size of No. two fixation nut (12) is the twice of the whole size of a fixation nut (2), No. two fixation nut (12) are two-way screw thread post, and the outside threaded connection of No. two fixation nut (12) has the nut.