CN216867530U

CN216867530U - Novel two-way switch formula butterfly valve

Info

Publication number: CN216867530U
Application number: CN202220363317.1U
Authority: CN
Inventors: 张友科; 李兵凡; 杜冰莹
Original assignee: Zhejiang Shanying Paper Industry Co Ltd
Current assignee: Zhejiang Shanying Paper Industry Co Ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-07-01
Anticipated expiration: 2032-02-22

Abstract

The utility model provides a novel bidirectional switch type butterfly valve, and belongs to the technical field of valve accessories. It has solved the current butterfly valve moment of torsion scheduling problem that can not adjust. This novel two way switch formula butterfly valve, including the valve body, be equipped with the valve rod on transversely opening the valve way and wearing to locate the valve body on the valve body, the valve rod sets up with the valve way is mutually perpendicular, and the upper end and the lower extreme of valve rod are all worn out outside the valve body, and the upper end of valve rod is connected with the first rotating-structure who links mutually with the valve rod, and the lower extreme of valve rod is connected with the second rotating-structure with valve rod matched with, is provided with the dish board subassembly that is used for intercommunication or closed valve way with the valve rod linkage mutually on the valve rod. The utility model has the advantages of large torque and convenient operation.

Description

Novel two-way switch formula butterfly valve

Technical Field

The utility model belongs to the technical field of valve accessories, and relates to a novel bidirectional switch type butterfly valve.

Background

The butterfly valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and is driven by a driving device at one side of the valve body axis, so that the disc plate rotates around the axis of the disc plate in the valve body, and the opening and closing or adjusting purpose is achieved.

In the conventional technology, the opening and closing of the valve are driven to rotate by a driving device arranged on one side of the valve, and when the valve body is enlarged, the corresponding driving force is required to be added to achieve the purpose of normal opening and closing. However, when the valve is closed, a small amount of deposition will form on both sides of the disk, resulting in the torque required for opening the disk exceeding the design value and failure of opening.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a novel bidirectional switch type butterfly valve which is large in torque and convenient to operate.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a novel two way switch formula butterfly valve, includes the valve body, the valve body on be equipped with the valve rod on transversely opening the valve way and wearing to locate the valve body, its characterized in that, valve rod and valve way set up perpendicularly mutually, the upper end and the lower extreme of valve rod are all worn out outside the valve body, and the upper end of valve rod is connected with the first rotating-structure who links mutually with the valve rod, the lower extreme of valve rod is connected with the second rotating-structure with valve rod matched with, the valve rod on be provided with and be used for intercommunication or closed valve dish board subassembly of saying mutually with the valve rod.

In the novel bidirectional switch type butterfly valve, a sealing platform which is matched with the disc plate assembly and used for abutting the disc plate assembly is arranged on the inner surface of the valve channel, and the sealing platform protrudes from the inner surface of the valve channel to one side of the center of the valve channel.

In the novel bidirectional switch butterfly valve, the disc plate assembly comprises a sealing disc plate, and the sealing disc plate is sleeved on the valve rod and fixedly connected with the valve rod through bolts.

In the above-mentioned novel two-way switch formula butterfly valve, the surface that the sealed dish board is used for with the sealing platform matched with is the toper face, is equipped with on the toper face to be used for sealed dish board and sealing platform looks butt sealed sealing member.

In foretell a novel two way switch formula butterfly valve, first revolution mechanic include first handle and the handle locking piece of rotating, first handle of rotating link firmly in the upper end of last valve rod and be used for driving the valve rod rotation, handle locking piece one end connect on the valve body, the other end of handle locking piece is rotatable penetrate to first handle of rotating inside and first handle looks joint of rotating.

In foretell a novel two way switch formula butterfly valve, the handle locking piece set up on the up end of valve body, and the one end of handle locking piece passes through the hinge with the valve body side surface and articulates, the other end of handle locking piece is equipped with spacing round platform, first rotation handle on offer the draw-in groove that supplies handle locking piece and spacing round platform card to go into.

In the above-mentioned novel two-way switch formula butterfly valve, second revolution mechanic include that the second rotates the handle, second rotate and be equipped with the joint subassembly that is used for second rotation handle and valve rod switching between handle and the valve rod.

In foretell a novel two way switch formula butterfly valve, the joint subassembly include joint crown plate and annular cap, the internal surface cover of joint crown plate is located on the valve rod, the surface joint and the second of joint crown plate rotate in the handle, the annular cap is connected on the valve rod, and the border department of annular cap presses and locates joint crown plate and second and rotate on the handle.

In foretell a novel two way switch formula butterfly valve, the valve rod rotates the connecting segment with annular cap and joint ring plate matched with on the handle matched with tip with the second, be equipped with the external screw thread that is used for the annular cap to connect on the surface of connecting segment, the connecting segment on be equipped with two symmetric distribution's horizontal joint face, the inboard surface joint of joint ring plate is on with horizontal joint face.

In the novel bidirectional switch type butterfly valve, the second rotating handle is internally provided with an inner ring matched with the outer surface of the clamping ring plate, and the width of the inner ring is larger than the diameter of the valve rod.

Compared with the prior art, the utility model has the advantages that:

1. the upper end and the lower end of the valve rod penetrate out of the valve body, the upper end of the valve rod is connected with a first rotating structure which is linked with the valve rod, the lower end of the valve rod is connected with a second rotating structure which is matched with the valve rod, the torque is increased by the aid of the second rotating structure and the first rotating structure, and the butterfly valve is convenient to open.

2. The inner surface of the valve way is provided with a sealing platform which is matched with the disc plate component and used for abutting the disc plate component, and the sealing platform protrudes from the inner surface of the valve way to one side of the center of the valve way so as to improve the sealing property of the connection between the sealing disc plate and the valve way.

3. The inner ring matched with the outer surface of the clamping ring plate is arranged in the second rotating handle, the width of the inner ring is larger than the diameter of the valve rod, when the clamping ring plate is taken down, the valve rod can rotate relative to the second rotating handle, and at the moment, the valve rod can be rotated only through the first rotating structure, so that the operation of a single driving structure of the butterfly valve is facilitated.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic view of this structure of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic structural view of a first rotating structure in the present invention.

Fig. 4 is a schematic structural view of a second rotating structure in the present invention.

In the figure, 1, a valve body; 2. a valve way; 3. a valve stem; 4. a first rotating structure; 5. a second rotating structure; 6. a disk plate assembly; 7. a sealing table; 8. sealing the disc plate; 9. a seal member; 10. a first rotating handle; 11. a handle locking member; 12. a limiting round table; 13. a hinge; 14. a card slot; 15. a second rotating handle; 16. a clamping assembly; 17. clamping a ring plate; 18. an annular cap; 19. a connecting section; 20. a horizontal snap surface; 21. an inner ring.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a novel two-way switch formula butterfly valve, including valve body 1, be equipped with the valve track 2 that transversely opens on the valve body 1 and wear to locate valve rod 3 on the valve body 1, valve rod 3 sets up with valve track 2 mutually perpendicular, the upper end and the lower extreme of valve rod 3 are all worn out outside the valve body 1, and the upper end of valve rod 3 is connected with the first rotating-structure 4 of linking mutually with valve rod 3, the lower extreme of valve rod 3 is connected with the second rotating-structure 5 with valve rod 3 matched with, be provided with on the valve rod 3 and be used for intercommunication or closed valve track 2's dish board subassembly 6 with valve rod 3 linkage mutually.

In this embodiment, the tip of valve body 1 is worn out at the both ends of butterfly valve rod 3, and be provided with first rotating-structure 4 and second rotating-structure 5 respectively at the both ends of valve rod 3, first rotating-structure 4 directly links with valve rod 3, drive first rotating-structure 4 and can directly drive valve rod 3 and rotate, and then the clearance size between adjustment dish board subassembly 6 and the valve way 2, second rotating-structure 5 can be connected or the disconnection with valve rod 3, when being connected with valve rod 3, first rotating-structure 4 cooperatees with second rotating-structure 5 and is used for increasing the moment of torsion of valve rod 3, avoid opening and close the failure because of the not enough valve that causes of moment of torsion.

In this embodiment, be provided with on the internal surface of valve way 2 and be used for supplying the sealed platform 7 of dish board subassembly 6 butt with dish board subassembly 6 matched with, sealed platform 7 is protruding to valve way 2 center one side from the internal surface of valve way 2, and simultaneously, sealed dish 8 is used for being the conical surface with sealed platform 7 matched with surface, is equipped with on the conical surface to be used for sealed dish 8 and the sealed sealing member 9 of sealed platform 7 butt. Thereby improving the sealing performance of the connection between the sealing disc plate 8 and the valve passage 2. The sealing element 9 can be a rubber sealing ring and is made of the existing material.

In this embodiment, the disc assembly 6 includes a sealing disc 8, and the sealing disc 8 is sleeved on the valve rod 3 and fixedly connected with the valve rod 3 through a bolt between the side surface of the sealing disc 8 and the valve rod 3. In order to maintain the forgiveness of the sealing plate 8 and the valve rod 3, the sealing plate 8 is integrally sleeved on the valve rod 3 when being installed, and then the sealing plate 8 enters the valve rod 3 from the side by using a bolt to fix the sealing plate and the valve rod.

In this embodiment, first revolution mechanic 4 includes first turning handle 10 and handle locking piece 11, and first turning handle 10 links firmly the upper end that is used for driving valve rod 3 in last valve rod 3 and rotates, and 11 one ends of handle locking piece are connected on valve body 1, and the other end of handle locking piece 11 is rotatable to penetrate to first turning handle 10 inside and first turning handle 10 looks joint.

When sealed dish 8 transversely is located the valve way 2 in and dams, first handle 10 that rotates carries out spacing fixed through handle locking piece 11, when the first handle 10 that rotates need rotate, with first handle 10 that rotates release can from handle locking piece 11.

Specifically, the handle locking piece 11 sets up on the up end of valve body 1, and the one end of handle locking piece 11 is articulated through hinge 13 with 1 side surface of valve body, and the other end of handle locking piece 11 is equipped with spacing round platform 12, offers the draw-in groove 14 that supplies handle locking piece 11 and spacing round platform 12 card to go into on the first handle 10 of rotating.

In this embodiment, the second rotating structure 5 includes the second and rotates handle 15, be equipped with between second rotation handle 15 and the valve rod 3 and be used for the second to rotate the joint subassembly 16 of handle 15 and valve rod 3 switching, specifically, joint subassembly 16 includes joint crown plate 17 and annular cap 18, the internal surface cover of joint crown plate 17 is located on the valve rod 3, in the surface joint of joint crown plate 17 and the second rotation handle 15, annular cap 18 is connected on the valve rod 3, and the border department of annular cap 18 presses and locates on joint crown plate 17 and the second rotation handle 15.

Clamping ring board 17 dismantled and assembled sets up between second rotation handle 15 and valve rod 3, forms spacingly each other, and when rotating second rotation handle 15, second rotation handle 15 passes through clamping ring board 17 and drives valve rod 3 and rotate in the lump, and simultaneously, annular cap 18 is connected on valve rod 3, and the border department of annular cap 18 presses and locates clamping ring board 17 and second rotation handle 15 and rotate with this realization second and rotate the spacing of handle 15 fixed.

In this embodiment, the end of the valve rod 3, which is matched with the second rotating handle 15, is provided with a connecting section 19 matched with the annular cap 18 and the clamping ring plate 17, the outer surface of the connecting section 19 is provided with an external thread for connecting the annular cap 18, the annular cap 18 is screwed with the external thread of the connecting section 19 through a thread, the connecting section 19 is provided with two symmetrically distributed horizontal clamping surfaces 20, and the inner side surface of the clamping ring plate 17 is clamped with the horizontal clamping surfaces 20.

In this embodiment, an inner ring 21 is formed in the second rotating handle 15 and fits with the outer surface of the snap ring plate 17, and the width of the inner ring 21 is larger than the diameter of the valve rod 3. The joint ring plate 17 is detachably connected between the second rotating handle 15 and the valve rod 3, when the joint ring plate 17 is detached, only the annular cap 18 carries out limiting fixation on the second rotating handle 15 through the thread and the external thread of the connecting section 19, the valve rod 3 is not linked with the second rotating handle 15, and when the valve rod 3 rotates, the second rotating handle 15 cannot rotate.

The working principle of the utility model is as follows: the tip of valve body 1 is worn out at the both ends of butterfly valve rod 3, and be provided with first rotating-structure 4 and second rotating-structure 5 respectively at the both ends of valve rod 3, first rotating-structure 4 directly links with valve rod 3, drive first rotating-structure 4 and can directly drive valve rod 3 and rotate, and then the clearance size between adjustment dish board subassembly 6 and the valve way 2, second rotating-structure 5 can be connected or the disconnection with valve rod 3, when being connected with valve rod 3, first rotating-structure 4 cooperatees the moment of torsion that is used for increasing valve rod 3 with second rotating-structure 5, avoid opening and close the failure because of the not enough valve that causes of moment of torsion.

Specifically, handle locking piece 11 sets up on the up end of valve body 1, and the one end of handle locking piece 11 is articulated through hinge 13 with 1 side surface of valve body, the other end of handle locking piece 11 is equipped with spacing round platform 12, offer the draw-in groove 14 that supplies handle locking piece 11 and spacing round platform 12 card to go into on the first handle 10 of rotating, when sealed dish 8 transversely is located the valve way 2 and dams, spacing round platform 12 card makes first handle 10 of rotating carry out spacing fixed through handle locking piece 11 to the draw-in groove 14 in, when first handle 10 of rotating is rotated to needs, it can to release first handle 10 of rotating from handle locking piece 11.

When needs second rotation handle 15 and first rotation handle 10 cooperation, rotate the joint ring board 17 with the second and set up between handle 15 and valve rod 3, it is spacing to form each other, rotate handle 15 with the second and drive valve rod 3 through joint ring board 17 and rotate in the lump, simultaneously, annular cap 18 is connected on valve rod 3, and the border department of annular cap 18 presses and locates joint ring board 17 and second rotation handle 15 and rotate the spacing fixed of handle 15 with this realization second.

When the second rotating handle 15 is not required to be matched with the first rotating handle 10, and the clamping ring plate 17 is removed, the annular cap 18 is only used for limiting and fixing the second rotating handle 15 through the thread and the external thread of the connecting section 19, the valve rod 3 and the second rotating handle 15 are not linked, and the second rotating handle 15 cannot rotate when the valve rod 3 rotates.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms valve body 1, valve channel 2, valve stem 3, first rotary structure 4, second rotary structure 5, disk assembly 6, sealing table 7, sealing disk 8, sealing element 9, first rotary handle 10, handle lock 11, stop disk 12, hinge 13, slot 14, second rotary handle 15, snap-fit assembly 16, snap-fit ring plate 17, ring cap 18, connecting section 19, horizontal snap-fit surface 20, inner ring 21, etc. are used more extensively herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation in keeping with the spirit of the present invention.

Claims

1. The utility model provides a novel two way switch formula butterfly valve, includes valve body (1), valve body (1) on be equipped with transversely open valve way (2) and wear to locate valve rod (3) on valve body (1), its characterized in that, valve rod (3) and valve way (2) set up perpendicularly mutually, the upper end and the lower extreme of valve rod (3) are all worn out outside valve body (1), and the upper end of valve rod (3) is connected with first rotating-structure (4) that link mutually with valve rod (3), the lower extreme of valve rod (3) is connected with second rotating-structure (5) with valve rod (3) matched with, valve rod (3) on be provided with and be used for intercommunication or closed valve way (2) dish board subassembly (6) with valve rod (3) linkage mutually.

2. A novel two-way switch type butterfly valve according to claim 1, characterized in that a sealing platform (7) matched with the disc plate assembly (6) and used for abutting against the disc plate assembly (6) is arranged on the inner surface of the valve channel (2), and the sealing platform (7) protrudes from the inner surface of the valve channel (2) to one side of the center of the valve channel (2).

3. The novel bidirectional switch type butterfly valve according to claim 2, wherein the disc assembly (6) comprises a sealing disc (8), the sealing disc (8) is sleeved on the valve rod (3) and the side surface of the sealing disc (8) is fixedly connected with the valve rod (3) through a bolt.

4. A novel two-way switch type butterfly valve according to claim 3, characterized in that the surface of the sealing plate (8) for matching with the sealing platform (7) is a conical surface, and a sealing element (9) for abutting and sealing the sealing plate (8) and the sealing platform (7) is arranged on the conical surface.

5. A novel two-way switch formula butterfly valve of claim 1, characterized in that, first revolution mechanic (4) include first turning handle (10) and handle locking piece (11), first turning handle (10) link firmly in the upper end of last valve rod (3) and be used for driving valve rod (3) to rotate, handle locking piece (11) one end connect on valve body (1), the other end of handle locking piece (11) is rotatable to penetrate to first turning handle (10) inside with first turning handle (10) looks joint.

6. The novel bidirectional switch butterfly valve according to claim 5, wherein the handle locking member (11) is disposed on the upper end surface of the valve body (1), one end of the handle locking member (11) is hinged to the side surface of the valve body (1) through a hinge (13), the other end of the handle locking member (11) is provided with a limiting circular truncated cone (12), and the first rotating handle (10) is provided with a slot (14) for the handle locking member (11) and the limiting circular truncated cone (12) to be clamped in.

7. A novel two-way switch type butterfly valve according to claim 1, characterized in that the second rotary structure (5) comprises a second rotary handle (15), and a clamping assembly (16) for switching the second rotary handle (15) and the valve rod (3) is arranged between the second rotary handle (15) and the valve rod (3).

8. The novel bidirectional switch type butterfly valve according to claim 7, wherein the clamping assembly (16) includes a clamping ring plate (17) and a ring cap (18), an inner surface of the clamping ring plate (17) is sleeved on the valve rod (3), an outer surface of the clamping ring plate (17) is clamped in the second rotating handle (15), the ring cap (18) is connected to the valve rod (3), and an edge of the ring cap (18) is pressed on the clamping ring plate (17) and the second rotating handle (15).

9. A novel two-way switch type butterfly valve according to claim 8, characterized in that the end of the valve rod (3) which is matched with the second rotary handle (15) is provided with a connecting section (19) which is matched with the annular cap (18) and the clamping ring plate (17), the outer surface of the connecting section (19) is provided with an external thread which is used for connecting the annular cap (18), the connecting section (19) is provided with two symmetrically distributed horizontal clamping surfaces (20), and the inner side surface of the clamping ring plate (17) is clamped with the horizontal clamping surfaces (20).

10. A novel two-way switch type butterfly valve according to claim 8, characterized in that an inner ring (21) matched with the outer surface of the clamping ring plate (17) is arranged in the second rotary handle (15), and the width of the inner ring (21) is larger than the diameter of the valve rod (3).