CN216382790U

CN216382790U - Oblique butt-clamping butterfly valve

Info

Publication number: CN216382790U
Application number: CN202123126363.4U
Authority: CN
Inventors: 李超超; 杨洁; 叶长华; 孙昌权; 冯栋
Original assignee: Tongyi Valve Co ltd
Current assignee: Tongyi Valve Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-04-26
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to the technical field of butt-clamping butterfly valves and discloses an inclined butt-clamping butterfly valve. This oblique type is to pressing from both sides butterfly valve, when the valve rod rotates the valve plate in needs rotation, the pull rod is held and the mounting panel upwards is drawed, make the grafting round pin of mounting panel bottom break away from spacing piece, can rotate valve rod to corresponding position this moment, loosen the pull rod in-process, lead to the compression of first spring under the cooperation of first spacing ring when carrying the mounting panel, can produce the counterforce and directly drive the mounting panel and move down, make the grafting round pin directly peg graft into spacing downthehole of spacing piece, the valve rod can remain throughout at corresponding position can not become flexible this moment, thereby the problem of the leakproofness to the valve plate and the angle of opening and shutting and cause bad influence has been solved.

Description

Oblique butt-clamping butterfly valve

Technical Field

The utility model relates to the technical field of butt-clamping butterfly valves, in particular to an inclined butt-clamping butterfly valve.

Background

The butterfly plate of the wafer butterfly valve is arranged in the diameter direction of the pipeline. In the cylindrical passageway of butterfly valve body, the disc butterfly plate rotates around the axis, and rotation angle is between 0 ~ 90, can play flow control's effect, and when the butterfly plate rotated to 90, the valve reached maximum aperture. The opposite clamping butterfly valve has simple structure, small volume and light weight, and only consists of a few parts. And the valve can be quickly opened and closed only by rotating 90 degrees, the operation is simple, and meanwhile, the valve has good fluid control characteristics. The opposite clamping butterfly valve has simple structure, small volume and light weight, and only consists of a few parts. And the valve can be quickly opened and closed only by rotating 90 degrees, the operation is simple, and meanwhile, the valve has good fluid control characteristics. When the butterfly valve is in the fully open position, the thickness of the butterfly plate is the only resistance to the flow of media through the valve body, and therefore the pressure drop across the valve is small, and better flow control characteristics are achieved. The butterfly valve has two sealing types of elastic soft sealing and metal sealing. The sealing ring of the elastic soft sealing valve can be embedded on the valve body or attached to the periphery of the butterfly plate.

Current wafer formula butterfly valve passes through spanner and pinion rack cooperation in order to realize that the butterfly valve opens spacingly after the closure, makes the valve rod can not become flexible to cause bad influence to the leakproofness of valve plate and the angle of opening and shutting, simultaneously in long-time use, lead to the valve rod to rotate the effect easily and produce the influence, consequently need improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an inclined butt-clamping butterfly valve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an oblique type butt clamp butterfly valve, includes the butt clamp butterfly valve main part, install the valve rod in the middle of the butt clamp butterfly valve main part, fixedly connected with stop gear in the middle of the butt clamp butterfly valve main part top, stop gear top fixedly connected with valve rod, fixedly connected with sealing mechanism in the middle of the stop gear.

Stop gear is including fixed cover, fixed cover fixed connection is in butt clamp butterfly valve main part top, fixed cover top fixedly connected with mounting panel, mounting panel four corners fixedly connected with slip cap, slip cap middle sliding connection has the slide bar, the first spacing ring of slide bar bottom fixedly connected with, the slide bar has cup jointed first spring at first spacing ring top, the slide bar is at slip cap top fixedly connected with second spacing ring, slide bar top fixedly connected with limiting plate, the valve rod is at the spacing piece of limiting plate bottom fixedly connected with.

Preferably, the through-hole has all been seted up in the middle of mounting panel and the limiting plate, the valve rod passes fixed cover and through-hole and extends to the limiting plate top, and the design of through-hole can not cause any influence to the rotation of valve rod.

Preferably, the equal fixedly connected with pull rod in limiting plate top left side and right side, the equal fixedly connected with in limiting plate bottom left side and right side is pegged graft the round pin, and the pull rod is convenient mentions whole mounting panel to make the spacing hole of grafting round pin and spacing piece break away from, make things convenient for the rotation of valve rod, it can carry on spacingly to the valve rod to peg graft round pin and spacing hole grafting.

Preferably, the limiting piece is provided with a limiting hole corresponding to the inserting pin, the limiting piece is inserted with the inserting pin through the limiting hole, and the inserting rod and the limiting hole are inserted to limit the valve rod, so that the valve rod is not easy to loosen.

Preferably, sealing mechanism includes the seal cover, seal cover fixed connection is in the mounting panel top, top fixedly connected with sealing ring in the seal cover, seal cover left side bottom fixedly connected with communicating pipe, communicating pipe left end fixedly connected with oil jacket, the clearance fit has the piston in the oil jacket, piston top fixedly connected with stabilizer bar, top fixedly connected with stationary blade in the oil jacket, the stabilizer bar has cup jointed the second spring between stationary blade and piston.

Preferably, the left side of the sealing sleeve is provided with an oil hole corresponding to the communicating pipe, the sealing sleeve and the communicating pipe are communicated with each other through the oil hole, lubricating oil in the oil sleeve is conveyed into the sealing sleeve through the communicating pipe, good sealing performance between the valve rod and the sealing ring is guaranteed, and the rotating effect is not influenced after the valve rod is used for a long time.

Preferably, a sliding hole is formed in the middle of the fixing plate, the fixing plate is connected with the stabilizer bar through the sliding hole in a sliding mode, the rubber block is fixedly connected to the bottom of the back face of the oil sleeve, the sliding bar can conveniently slide smoothly between the stabilizer bar and the fixing plate, and the rubber block can inject lubricating oil into the oil sleeve through the injector.

Compared with the prior art, the utility model provides an inclined oppositely-clamped butterfly valve, which has the following beneficial effects:

1. this oblique type is to pressing from both sides butterfly valve, stop gear through setting up, when the valve rod rotates the valve plate in needs rotation, the pull rod is held and the mounting panel upwards is drawed, make the grafting round pin of mounting panel bottom break away from spacing piece, can rotate valve rod to corresponding position this moment, loosen the pull rod in-process, lead to the compression of first spring under the cooperation of first spacing ring when carrying the mounting panel, can produce the counterforce and directly drive the mounting panel and move down, make the grafting round pin directly peg graft into spacing downthehole of spacing piece, the valve rod can remain throughout at corresponding position can not become flexible this moment, thereby the problem of the leakproofness to the valve plate and the angle of opening and shutting lead to the fact bad influence has been solved.

2. This oblique type is to pressing from both sides butterfly valve, sealing mechanism through setting up, the ripple design of sealing ring inner circle can cooperate with lubricating oil, thereby reach the oil seal to the valve rod, the valve rod has been guaranteed and good sealing performance between the seal cover, thereby make the valve rod anyhow have good rotatory effect after long-time the use, when lubricating oil quantity reduces in the seal cover simultaneously, the second spring drives the piston and moves down, can pass through communicating pipe and oilhole with the lubricating oil in the oil cover and pour into in the seal cover, remain throughout and have sufficient lubricating oil in the seal cover, thereby further reach good sealing performance.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor:

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic front sectional view of the overall structure of the present invention;

FIG. 3 is a schematic front sectional view of the limiting mechanism and the sealing mechanism;

FIG. 4 is a schematic top view of the engagement between the position-limiting plate and the position-limiting hole;

fig. 5 is a schematic front sectional view of the sealing mechanism.

In the figure: 1. a valve stem; 2. a limiting mechanism; 21. a pull rod; 211. a limiting plate; 22. a plug pin; 23. a slide bar; 24. mounting a plate; 241. fixing a sleeve; 25. a first spring; 26. a first limit ring; 27. a limiting sheet; 271. a limiting hole; 28. a second stop collar; 29. a sliding sleeve; 3. oppositely clamping the butterfly valve main body; 4. a sealing mechanism; 41. a stabilizer bar; 42. a fixing sheet; 43. a second spring; 44. a piston; 45. an oil jacket; 46. a rubber block; 47. a communicating pipe; 48. an oil hole; 49. a seal ring; 491. and (5) sealing the sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an oblique type butt clamp butterfly valve, includes butt clamp butterfly valve main part 3, installs valve rod 1 in the middle of the butt clamp butterfly valve main part 3, fixedly connected with stop gear 2 in the middle of the 3 tops of butt clamp butterfly valve main part, 2 top fixedly connected with valve rod 1 of stop gear, fixedly connected with sealing mechanism 4 in the middle of the stop gear 2.

The limiting mechanism 2 comprises a fixing sleeve 241, the fixing sleeve 241 is fixedly connected to the top of the butt clamp butterfly valve main body 3, the top of the fixing sleeve 241 is fixedly connected with a mounting plate 24, four corners of the mounting plate 24 are fixedly connected with sliding sleeves 29, the middle of the sliding sleeve 29 is slidably connected with a sliding rod 23, the bottom end of the sliding rod 23 is fixedly connected with a first limiting ring 26, the sliding rod 23 is sleeved with a first spring 25 at the top of the first limiting ring 26, the sliding rod 23 is fixedly connected with a second limiting ring 28 at the top of the sliding sleeve 29, the top end of the sliding rod 23 is fixedly connected with a limiting plate 211, through holes are formed in the middle of the mounting plate 24 and the limiting plate 211, the valve rod 1 passes through the fixing sleeve 241 and the through holes and extends to the top of the limiting plate 211, the left side and the right side of the top of the limiting plate 211 are fixedly connected with pull rods 21, the left side and the right side of the bottom of the limiting plate 211 are fixedly connected with inserting pins 22, and the valve rod 1 is fixedly connected with a limiting plate 27 at the bottom of the limiting plate 211, spacing piece 27 corresponds grafting round pin 22 and has seted up spacing hole 271, spacing piece 27 has the grafting round pin 22 through spacing hole 271 grafting, stop gear 2 through setting up, when valve rod 1 rotates the valve plate in needs, it upwards draws mounting panel 24 to grip pull rod 21, make the grafting round pin 22 of mounting panel 24 bottom break away from spacing piece 27, can rotate valve rod 1 to corresponding position this moment, loosen pull rod 21 in-process, lead to the compression of first spring 25 under the cooperation of first spacing ring 26 when carrying and drawing mounting panel 24, can produce the counterforce and directly drive mounting panel 24 and move down, make the direct grafting of grafting round pin 22 advance spacing hole 271 of spacing piece 27, valve rod 1 can remain throughout at corresponding position can not become flexible this moment, thereby solved the leakproofness to the valve plate and opened and shut the problem that the angle caused bad influence.

The sealing mechanism 4 comprises a sealing sleeve 491, the sealing sleeve 491 is fixedly connected to the top of the mounting plate 24, a sealing ring 49 is fixedly connected to the top of the sealing sleeve 491, a communicating pipe 47 is fixedly connected to the bottom of the left side of the sealing sleeve 491, an oil hole 48 is formed in the left side of the sealing sleeve 491 corresponding to the communicating pipe 47, the sealing sleeve 491 and the communicating pipe 47 are mutually communicated through the oil hole 48, an oil jacket 45 is fixedly connected to the left end of the communicating pipe 47, a piston 44 is in clearance fit in the oil jacket 45, a stabilizer bar 41 is fixedly connected to the top of the piston 44, a fixing plate 42 is fixedly connected to the top of the oil jacket 45, a second spring 43 is sleeved between the fixing plate 42 and the piston 44 by the stabilizer bar 41, a sliding hole is formed in the middle of the fixing plate 42, the fixing plate 42 is slidably connected to the stabilizer bar 41 through the sliding hole, a rubber block 46 is fixedly connected to the bottom of the back of the oil jacket 45, and the sealing mechanism 4 is arranged, the corrugated design of the sealing ring 49 can be matched with lubricating oil, therefore, the oil sealing of the valve rod 1 is achieved, the good sealing performance between the valve rod 1 and the sealing sleeve 491 is guaranteed, the valve rod 1 can have a good rotating effect after being used for a long time, meanwhile, when the quantity of lubricating oil in the sealing sleeve 491 is reduced, the second spring 43 drives the piston 44 to move downwards, the lubricating oil in the oil sleeve 45 can be injected into the sealing sleeve 491 through the communicating pipe 47 and the oil hole 48, sufficient lubricating oil in the sealing sleeve 491 is always kept, and the good sealing performance is further achieved.

In the practical operation process, when the device is used, the valve rod 1 needs to be rotated to rotate the valve plate, the mounting plate 24 is upwards extracted by holding the pull rod 21, so that the inserting pin 22 at the bottom of the mounting plate 24 is separated from the limiting sheet 27, at the moment, the valve rod 1 can be rotated to the corresponding position, in the process of loosening the pull rod 21, the first limiting ring 26 is matched to compress the first spring 25 when the mounting plate 24 is lifted, a reverse force can be generated to directly drive the mounting plate 24 to move downwards, so that the inserting pin 22 is directly inserted into the limiting hole 271 of the limiting sheet 27, at the moment, the valve rod 1 can be always kept at the corresponding position and cannot be loosened, the problem of bad influence on the sealing performance and the opening and closing angle of the valve plate is solved, the corrugated design of the inner ring of the sealing ring 49 can be matched with lubricating oil, the oil sealing performance on the valve rod 1 is achieved, and the good sealing performance between the valve rod 1 and the sealing sleeve 491 is ensured, therefore, the valve rod 1 has a good rotating effect after being used for a long time, and meanwhile, when the quantity of the lubricating oil in the sealing sleeve 491 is reduced, the second spring 43 drives the piston 44 to move downwards, the lubricating oil in the oil sleeve 45 can be injected into the sealing sleeve 491 through the communicating pipe 47 and the oil hole 48, sufficient lubricating oil is always kept in the sealing sleeve 491, and good sealing performance is further achieved.

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 term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an inclined type butt clamp butterfly valve, includes butt clamp butterfly valve main part (3), its characterized in that: a valve rod (1) is installed in the middle of the butt-clamping butterfly valve main body (3), a limiting mechanism (2) is fixedly connected in the middle of the top of the butt-clamping butterfly valve main body (3), the valve rod (1) is fixedly connected at the top of the limiting mechanism (2), and a sealing mechanism (4) is fixedly connected in the middle of the limiting mechanism (2); stop gear (2) are including fixed cover (241), fixed cover (241) fixed connection is in butt clamp butterfly valve main part (3) top, fixed cover (241) top fixedly connected with mounting panel (24), mounting panel (24) four corners fixedly connected with slip cap (29), sliding connection has slide bar (23) in the middle of slip cap (29), first spacing ring (26) of slide bar (23) bottom fixedly connected with, first spring (25) have been cup jointed at first spacing ring (26) top in slide bar (23), slide bar (23) are at slip cap (29) top fixedly connected with second spacing ring (28), slide bar (23) top fixedly connected with limiting plate (211), valve rod (1) is at limiting plate (211) bottom fixedly connected with spacing piece (27).

2. The oblique type butt-clamping butterfly valve according to claim 1, characterized in that: the through-hole has all been seted up in the middle of mounting panel (24) and limiting plate (211), valve rod (1) passes fixed cover (241) and through-hole and extends to limiting plate (211) top.

3. The oblique type butt-clamping butterfly valve according to claim 1, characterized in that: the equal fixedly connected with pull rod (21) in limiting plate (211) top left side and right side, the equal fixedly connected with grafting round pin (22) in limiting plate (211) bottom left side and right side.

4. The oblique type butt-clamping butterfly valve according to claim 1, characterized in that: the limiting sheet (27) is provided with a limiting hole (271) corresponding to the plug pin (22), and the limiting sheet (27) is plugged with the plug pin (22) through the limiting hole (271).

5. The oblique type butt-clamping butterfly valve according to claim 1, characterized in that: the sealing mechanism (4) comprises a sealing sleeve (491), the sealing sleeve (491) is fixedly connected to the top of the mounting plate (24), a sealing ring (49) is fixedly connected to the top of the sealing sleeve (491), a communicating pipe (47) is fixedly connected to the bottom of the left side of the sealing sleeve (491), an oil sleeve (45) is fixedly connected to the left end of the communicating pipe (47), a piston (44) is in clearance fit in the oil sleeve (45), a stabilizing rod (41) is fixedly connected to the top of the piston (44), a fixing piece (42) is fixedly connected to the top of the oil sleeve (45), and a second spring (43) is sleeved between the fixing piece (42) and the piston (44) by the stabilizing rod (41).

6. The oblique type butt-clamping butterfly valve according to claim 5, wherein: the left side of the sealing sleeve (491) is provided with an oil hole (48) corresponding to the communicating pipe (47), and the sealing sleeve (491) and the communicating pipe (47) are communicated with each other through the oil hole (48).

7. The oblique type butt-clamping butterfly valve according to claim 5, wherein: the middle of the fixing piece (42) is provided with a sliding hole, the fixing piece (42) is connected with a stabilizer bar (41) through the sliding hole in a sliding mode, and the bottom of the back face of the oil sleeve (45) is fixedly connected with a rubber block (46).