CN216742885U

CN216742885U - Butterfly plate with good stability for handle butterfly valve

Info

Publication number: CN216742885U
Application number: CN202122679645.0U
Authority: CN
Inventors: 曹宏
Original assignee: Adinod Machinery Jiangsu Co ltd
Current assignee: Adinod Machinery Jiangsu Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-06-14
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a butterfly plate with good stability for a handle butterfly valve, relates to the technical field of butterfly valves, and aims to solve the problems that the valve plate of the existing butterfly valve in the prior art is controlled by adopting a connecting rod, and the connecting rod structure is abraded in the long-term rotation process, so that the valve plate is dislocated, and the normal opening and closing function of the valve plate is finally influenced. The both sides of metal butterfly plate all are provided with the center pin, and the center pin sets up to integral type structure with the metal butterfly plate, the one end of center pin is provided with the handle member, and the other end of center pin is provided with the valve body member, handle member and valve body member and center pin fixed connection, the other end of handle member is provided with the spacing lantern ring, and the spacing lantern ring rotates with the handle member to be connected, the other end of valve body member is provided with the maintenance bottom shaft, and the valve body member rotates with the maintenance bottom shaft to be connected.

Description

Butterfly plate with good stability for handle butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly plate with good stability for a handle butterfly valve.

Background

The butterfly valve is a regulating valve with simple structure, can be used for the butterfly plate of the on-off control of the low-pressure pipeline medium, is a disc mostly, and can rotate around the valve shaft to achieve the opening and closing of a valve, according to the comparison document (patent name: a butterfly valve plate, the grant publication number is CN202971969U), the butterfly valve plate realizes the corrosion prevention and wear resistance functions of the valve plate by changing the casting material, but the existing butterfly valve plate mostly adopts the connecting rod to realize the control, and the connecting rod structure can generate the wear in the long-term rotation process, thereby causing the valve plate to be misplaced, and finally influencing the normal opening and closing functions of the valve plate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a butterfly plate with good stability for a handle butterfly valve, which aims to solve the problems that the prior butterfly valve plate in the background art is mostly controlled by a connecting rod, and the connecting rod structure is abraded in the long-term rotation process, so that the valve plate is dislocated, and the normal opening and closing function of the valve plate is finally influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a butterfly plate for handle butterfly valve stability is good, includes the metal butterfly plate, the both sides of metal butterfly plate all are provided with the center pin, and center pin and metal butterfly plate set up to the integral type structure, the one end of center pin is provided with the handle member, and the other end of center pin is provided with the valve body member, handle member and valve body member and center pin fixed connection, the other end of handle member is provided with the spacing lantern ring, and the spacing lantern ring rotates with the handle member to be connected, the other end of valve body member is provided with the maintenance bottom shaft, and the valve body member rotates with the maintenance bottom shaft to be connected.

Preferably, the handle member includes an extension rod and an end shaft, and the extension rod is disposed outside the end shaft, and the valve body member includes a switching shaft and a contact end, and the contact end is disposed outside the switching shaft.

Preferably, the outer surfaces of the handle rod piece and the valve body rod piece are respectively provided with a rubber seal ring, and the rubber seal rings are connected with the switching shaft lever and the end shaft in a fitting manner.

Preferably, the retention bottom shaft comprises a bottom groove, a lubricating rotary groove and a sealing ring groove, the sealing ring groove is arranged above the lubricating rotary groove, and the lubricating rotary groove is arranged above the bottom groove.

Preferably, the inside of lubricated rotating groove is provided with the graphite paster, and the graphite paster has three, the graphite paster is connected with lubricated rotating groove and the laminating of switching axostylus axostyle.

Preferably, the rubber seal ring is connected with the seal ring groove in a combined mode, and the abutting end is connected with the bottom groove in a rotating mode.

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

1. the metal butterfly plate is fixed in the retention bottom shaft by means of a valve body rod piece at the bottom and rotates by taking the retention bottom shaft as a center, the retention bottom shaft comprises a bottom groove, a lubricating rotary groove and a sealing ring groove, a graphite patch is arranged in the lubricating rotary groove, and the combination of an abutting end and the bottom groove is used as a support part of the butterfly plate, so that the pressure can be prevented from acting on the graphite patch, the graphite patch is arranged between the switching shaft rod and the lubricating rotary groove, the friction resistance of the butterfly plate during rotation can be reduced, and the graphite patch can be filled to limit and fix the whole valve body rod piece in the switching shaft rod area under the condition that the abutting end is worn, so that the valve body rod piece is prevented from relatively serious deviation.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic view of the rubber seal ring structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the retention base shaft of the present invention;

fig. 4 is a schematic structural diagram of the graphite patch of the present invention.

In the figure: 1. a metal butterfly plate; 2. a central shaft; 3. a handle bar; 4. a valve body rod member; 5. a limiting lantern ring; 6. a fixed bottom shaft; 7. a switching shaft lever; 8. abutting the end head; 9. a rubber seal ring; 10. an extension rod; 11. an end shaft; 12. sticking graphite sheets; 13. a bottom groove; 14. lubricating the rotary groove; 15. and a sealing ring groove.

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.

Referring to fig. 1, an embodiment of the present invention: a butterfly plate used for a handle butterfly valve and having good stability comprises a metal butterfly plate 1, wherein two sides of the metal butterfly plate 1 are respectively provided with a central shaft 2, the central shaft 2 and the metal butterfly plate 1 are arranged into an integrated structure, one end of the central shaft 2 is provided with a handle rod piece 3, the other end of the central shaft 2 is provided with a valve body rod piece 4, the handle rod piece 3 and the valve body rod piece 4 are fixedly connected with the central shaft 2, the other end of the handle rod piece 3 is provided with a limiting sleeve ring 5, the limiting sleeve ring 5 is rotatably connected with the handle rod piece 3, the other end of the valve body rod piece 4 is provided with a fixing bottom shaft 6, the valve body rod piece 4 is rotatably connected with the fixing bottom shaft 6, the fixing bottom shaft 6 is arranged inside the butterfly valve and is positioned below the butterfly plate, the metal butterfly plate 1 is fixed inside the fixing bottom shaft 6 by means of the valve body rod piece 4 at the bottom and rotates by taking the fixing bottom shaft 6 as the center, the handle rod piece 3 above the metal butterfly plate 1 is fixedly connected with an external control handle, thus, the butterfly plate can be controlled to rotate by rotating the handle.

Referring to fig. 2, the handle rod 3 includes an extension rod 10 and an end shaft 11, the extension rod 10 is disposed outside the end shaft 11, the valve body rod 4 includes an adapting shaft 7 and an abutting end 8, the abutting end 8 is disposed outside the adapting shaft 7, rubber seal rings 9 are disposed on outer surfaces of the handle rod 3 and the valve body rod 4, the rubber seal rings 9 are attached to the adapting shaft 7 and the end shaft 11, and the rubber seal rings 9 can prevent a conveyed medium from entering the interior of the fixing bottom shaft 6 or from leaking along a connecting rod of the handle.

Referring to fig. 3-4, the retention bottom shaft 6 includes a bottom groove 13, a lubrication rotating groove 14 and three sealing ring grooves 15, the sealing ring grooves 15 are disposed above the lubrication rotating groove 14, the lubrication rotating groove 14 is disposed above the bottom groove 13, the lubrication rotating groove 14 is internally provided with graphite patches 12, the graphite patches 12 are three, the graphite patches 12 are attached to the lubrication rotating groove 14 and the adapting shaft rod 7, the rubber seal ring 9 is connected to the sealing ring grooves 15 in a combined manner, the abutting end 8 is connected to the bottom groove 13 in a rotating manner, the combination of the abutting end 8 and the bottom groove 13 is used as a support member of the butterfly plate, so as to prevent pressure from acting on the graphite patches 12, the graphite patches 12 are disposed between the adapting shaft rod 7 and the lubrication rotating groove 14, so as to reduce friction resistance when the butterfly plate rotates, and the graphite patches 12 can be filled in the area of the adapting shaft rod 7 to limit and fix the whole valve body rod 4 under the condition that the abutting end 8 is worn, preventing it from shifting more seriously.

The working principle is as follows: one end of the metal butterfly plate 1 is provided with a handle rod 3, the other end is provided with a valve body rod 4, the metal butterfly plate 1 is fixed inside the retention bottom shaft 6 by the valve body rod 4 at the bottom and rotates by taking the retention bottom shaft 6 as the center, the retention bottom shaft 6 comprises a bottom groove 13, a lubricating rotary groove 14 and a sealing ring groove 15, wherein a graphite patch 12 is arranged inside the lubricating rotary groove 14, the combination of the abutting end 8 and the bottom groove 13 is used as a support part of the butterfly plate, so that the pressure action on the graphite patch 12 can be avoided, the graphite patch 12 is arranged between the switching shaft lever 7 and the lubricating rotary groove 14, the friction resistance when the butterfly plate rotates can be reduced, the graphite patch 12 can limit and fix the whole valve body rod 4 in the area of the switching shaft lever 7 under the condition that the abutting end 8 is worn, the serious deviation is prevented, and the handle rod 3 above the metal butterfly plate 1 is connected and fixed with an external control handle, therefore, the butterfly plate can be controlled to rotate by rotating the handle, and finally, the rubber sealing rings 9 are arranged on the outer surfaces of the handle rod piece 3 and the valve body rod piece 4, and the rubber sealing rings 9 can prevent a conveyed medium from entering the inside of the retention bottom shaft 6 or from leaking along a connecting rod of the handle.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a butterfly plate for handle butterfly valve stability is good, includes metal butterfly plate (1), its characterized in that: the both sides of metal butterfly plate (1) all are provided with center pin (2), and center pin (2) set up to integral type structure with metal butterfly plate (1), the one end of center pin (2) is provided with handle member (3), and the other end of center pin (2) is provided with valve body member (4), handle member (3) and valve body member (4) and center pin (2) fixed connection, the other end of handle member (3) is provided with spacing lantern ring (5), and just spacing lantern ring (5) rotate with handle member (3) and be connected, the other end of valve body member (4) is provided with maintenance bottom shaft (6), and valve body member (4) rotate with maintenance bottom shaft (6) and be connected.

2. The butterfly plate for the handle butterfly valve with good stability of claim 1, wherein: the handle rod piece (3) comprises an extension rod (10) and an end shaft (11), the extension rod (10) is arranged on the outer side of the end shaft (11), the valve body rod piece (4) comprises a switching shaft rod (7) and an attaching end (8), and the attaching end (8) is arranged on the outer side of the switching shaft rod (7).

3. The butterfly plate for the handle butterfly valve with good stability of claim 2, wherein: the outer surfaces of the handle rod piece (3) and the valve body rod piece (4) are respectively provided with a rubber seal ring (9), and the rubber seal rings (9) are attached to the switching shaft rod (7) and the end shaft (11).

4. A butterfly plate for a handle butterfly valve with good stability according to claim 3, wherein: the retention bottom shaft (6) comprises a bottom groove (13), a lubricating rotary groove (14) and a sealing ring groove (15), the sealing ring groove (15) is arranged above the lubricating rotary groove (14), and the lubricating rotary groove (14) is arranged above the bottom groove (13).

5. The butterfly plate for the handle butterfly valve with good stability of claim 4, wherein: the interior of lubricated rotating groove (14) is provided with graphite paster (12), and graphite paster (12) have three, graphite paster (12) are connected with lubricated rotating groove (14) and switching axostylus axostyle (7) laminating.

6. The butterfly plate for the handle butterfly valve with good stability of claim 4, wherein: the rubber seal ring (9) is connected with the seal ring groove (15) in a combined mode, and the abutting end (8) is connected with the bottom groove (13) in a rotating mode.