CN219432456U

CN219432456U - Electric hard sealing butterfly valve

Info

Publication number: CN219432456U
Application number: CN202223027616.7U
Authority: CN
Inventors: 金焱
Original assignee: Shanghai Guanchuan Fluid Technology Co ltd
Current assignee: Shanghai Guanchuan Fluid Technology Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-07-28
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses an electric hard sealing butterfly valve, which comprises a valve body, wherein mounting grooves are formed in the upper end and the lower end of the inner side of the valve body, an upper valve rod and a lower valve rod are movably mounted in the inner side of the mounting grooves through bearings respectively, the upper valve rod and the lower valve rod are positioned on the same central axis, a valve plate is mounted between the upper valve rod and the lower valve rod, fixing holes are formed in the opposite ends of the upper valve rod and the lower valve rod, the valve plate is mounted on the two sides of the upper valve rod and the lower valve plate, mounting holes matched with the fixing holes are formed in the two ends of the valve plate, fastening pieces are mounted in the inner sides of the mounting holes and the fixing holes respectively, and fastening blocks are movably mounted between the fastening pieces and the valve plate through threads. According to the utility model, the packing is arranged between the valve body and the valve rod, so that the tightness between the valve body and the valve rod is ensured, and meanwhile, the gasket is arranged below the bottom cover, so that the tightness between the bottom cover and the valve body is improved, the sealing performance of the whole butterfly valve is improved on the whole, and the whole sealing performance is ensured.

Description

Electric hard sealing butterfly valve

Technical Field

The utility model relates to the technical field of electric valves, in particular to an electric hard sealing butterfly valve.

Background

With the continuous development of society, the sealing butterfly valve industry is vigorously developed, a hard sealing butterfly valve is one type of valve, is of a metal sealing structure, is sealed in a metal-to-metal mode, and is widely applied to industrial pipelines such as metallurgy, electric power, petrochemical industry, water supply and drainage, municipal construction and the like, and the hard sealing butterfly valve is used for adjusting flow and cutting off fluid. When the traditional hard sealing butterfly valve is used, the integral sealing performance of the butterfly valve has a certain defect, the butterfly valve cannot achieve the effect of comprehensive sealing on sealing of different places, and the existing butterfly valve is complex in structure, large in size and inconvenient to install and overhaul.

Disclosure of Invention

The present utility model is directed to an electric hard seal butterfly valve that solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electronic hard seal butterfly valve, includes the valve body, the mounting groove has been seted up at both ends about the inboard of valve body, upper valve rod, lower valve rod are installed through bearing movable mounting respectively to the inboard of mounting groove, upper valve rod and lower valve rod are in on the same axis, install the valve plate between upper valve rod and the lower valve rod, the fixed orifices has been seted up to the relative one end of upper valve rod, lower valve rod, the both sides at upper valve rod, lower valve plate are installed to the valve plate, the mounting hole that matches with the fixed orifices has been seted up at the both ends of valve plate, the fastener is installed to the inboard of mounting hole, the mounting hole, install the fastener through screw movable mounting between fastener and the valve plate, the apron is installed to one side that is close to the fastening piece, the lower gland is installed through the screw to the lower extreme of valve body, mounting washer between lower gland and the lower valve rod, mounting groove and seal groove have been seted up respectively to the one end that the inboard lower extreme of connecting piece of valve body, sealing filler is installed to the inboard of seal groove, the inboard of sealing filler is installed in the outside at the mounting groove, the gland is installed on the actuating mechanism of the handle on the side of installing on the valve rod.

Preferably, a fixed slot is formed in one side, close to the cover plate, of the upper valve rod and the lower valve rod, a connecting ring is mounted on one side, close to the valve plate, of the cover plate, and the connecting ring is connected with the fixed slot in a matched mode.

Preferably, the valve plate is formed by a first sealing plate and a second sealing plate, the fastener is fixedly connected with the second sealing plate, a connecting groove is formed in one side, close to the cover plate, of the first sealing plate, a connecting block is arranged in one side, close to the connecting groove, of the cover plate, and the connecting block is connected with the connecting groove in a matched mode.

Preferably, the flange is installed to the upper end of valve body, mounting flange is all installed at both ends about the connecting piece, through bolt fixed connection between flange and the mounting flange, flange is installed to actuating mechanism's lower extreme, flange passes through bolt fixed connection with mounting flange.

Preferably, the surface of the first sealing plate is provided with a fixing groove, and the fastening block is arranged on the inner side of the fixing groove.

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

according to the butterfly valve, the sealing gaskets are arranged in a plurality of layers, the sealing gaskets are arranged at intervals, the compensation space is arranged between the pressing plate and the butterfly plate, a movable space is provided for the sealing gaskets and the butterfly plate, and the self-sealing is realized by utilizing the stopping acting force, so that the reverse sealing is more reliable, the sealing performance is better, the sealing performance between the valve body and the valve rod is ensured by arranging the filler between the valve body and the valve rod, and meanwhile, the gasket is arranged under the bottom cover, so that the sealing performance between the bottom cover and the valve body is improved, and the sealing performance of the whole butterfly valve is improved as a whole, and the integral sealing performance is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an electric hard seal butterfly valve;

FIG. 2 is a side view of the electrically operated hard seal butterfly valve of the utility model.

In the figure: valve body 1, mounting groove 2, upper valve rod 3, lower valve rod 4, valve plate 5, first closing plate 51, second closing plate 52, fixed orifices 6, mounting hole 7, fastener 8, fastening block 9, apron 10, lower gland 11, sealing washer 12, connecting piece 13, fitting groove 14, seal groove 15, sealing packing 16, upper gland 17, actuator 18, turning handle 19, fixed slot 20, go-between 21, go-between 22, connecting block 23, connecting flange 24, mounting flange 25, fixing flange 26, fixing groove 27.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the electric hard sealing butterfly valve comprises a valve body 1, mounting grooves 2 are formed at the upper end and the lower end of the inner side of the valve body 1, an upper valve rod 3 and a lower valve rod 4 are movably mounted at the inner side of the mounting grooves 2 through bearings respectively, the upper valve rod 3 and the lower valve rod 4 are positioned on the same central axis, a valve plate 5 is mounted between the upper valve rod 3 and the lower valve rod 4, a fixing hole 6 is formed at one end of the upper valve rod 3 opposite to the lower valve rod 4, the valve plate 5 is mounted at two sides of the upper valve rod 3 and the lower valve plate 5, mounting holes 7 matched with the fixing hole 6 are formed at two ends of the valve plate 5, a fastening piece 8 is mounted at the inner sides of the mounting holes 7 and the fixing hole 6, a fastening piece 9 is movably mounted between the fastening piece 8 and the valve plate 5 through threads, the apron 10 is installed to the side that valve plate 5 is close to fastening piece 9, lower gland 11 is installed through the screw to the lower extreme of valve body 1, install sealing washer 12 between lower gland 11 and the lower valve rod 4, connecting piece 13 is installed to the upper end of valve body 1, assembly groove 14 and seal groove 15 have been seted up respectively to the one end that the upper end of connecting piece 13 is close to the inboard lower extreme valve body 1 of connecting piece 13, sealing filler 16 is installed to the inboard of seal groove 15, sealing filler 16 installs the outside at upper valve rod 3, upper gland 17 is installed to the inboard of assembly groove 14, upper gland 17 is installed in the outside at the upper end upper valve rod 3 of sealing filler 16, actuating mechanism 18 is installed to the upper end of connecting piece 13, twist grip 19 is installed to one side of actuating mechanism 18.

In the utility model, a fixed groove 20 is formed on one side of an upper valve rod 3 and a lower valve rod 4, which is close to a cover plate 10, a connecting ring 21 is arranged on one side of the cover plate 10, which is close to a valve plate 5, and the connecting ring 21 is connected with the fixed groove 20 in a matching way.

The valve plate 5 is composed of a first sealing plate 51 and a second sealing plate 52, the fastener 8 is fixedly connected with the second sealing plate 52, a connecting groove 22 is formed in one side, close to the cover plate 10, of the first sealing plate 51, a connecting block 23 is arranged in one side, close to the connecting groove 22, of the cover plate 10, and the connecting block 23 is connected with the connecting groove 22 in a matched mode.

In the utility model, the upper end of the valve body 1 is provided with a connecting flange 24, the upper end and the lower end of the connecting piece 13 are respectively provided with a mounting flange 25, the connecting flange 24 is fixedly connected with the mounting flange 25 through bolts, the lower end of the actuating mechanism 18 is provided with a fixing flange 26, and the fixing flange 26 is fixedly connected with the mounting flange 25 through bolts.

In the present utility model, the surface of the first sealing plate 51 is provided with a fixing groove 27, and the fastening block 9 is installed inside the fixing groove 27.

Working principle: when the device is used, the upper valve rod 3 is driven to rotate through the rotating handle 19, the valve plate 5 consisting of the first sealing plate 51 and the second sealing plate 52 is driven to rotate, so that quick opening and closing are realized, meanwhile, the cover plate 10 is installed on one side of the fixing surface of the valve plate 5, firstly, micro-class is used for avoiding that fluid on the inner side of the pipeline corrodes the fastening piece 8 and the fastening block 9, so that the valve plate 5 is not convenient to detach, the upper valve rod 3 and the lower valve rod 4 are cured and locked, secondly, the sealing performance is not convenient to detach, the three-dimensional sealing gasket 12 is prevented from flowing out through a connecting gap, a plurality of layers of sealing gaskets 12 are arranged, a space is formed between the sealing gaskets 12 and a butterfly plate, a compensation space is formed between the pressing plate and the butterfly plate, self-sealing is realized by utilizing a stop acting force, so that the reverse sealing is more reliable, the sealing performance is better, the sealing performance is ensured by arranging a filler between the valve body 1 and the valve rod, the sealing performance between the valve body 1 and the valve rod is ensured, meanwhile, the gasket is arranged under the bottom cover 1, the sealing performance is improved, so that the whole sealing performance is improved, and the whole sealing performance is ensured.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Electric hard seal butterfly valve, including valve body (1), its characterized in that: the utility model discloses a valve body, including valve body (1), valve plate (1), mounting groove (2) have been seted up at both ends about the inboard of valve body (1), mounting groove (2) inboard has upper valve rod (3), lower valve rod (4) through bearing movable mounting respectively, upper valve rod (3) are in on same axis with lower valve rod (4), install valve plate (5) between upper valve rod (3) and lower valve rod (4), fixed orifices (6) have been seted up to upper valve rod (3), lower valve rod (4) relative one end, valve plate (5) are installed in both sides at upper valve rod (3), lower valve plate (5), mounting hole (7) with fixed orifices (6) matching have been seted up at the both ends of valve plate (5), fastener (8) are installed to the inboard of mounting hole (7), fixed orifices (6), install fastening piece (9) through screw movable mounting between fastener (8) and the valve plate (5), one side that valve plate (5) are close to fastening piece (9) is installed apron (10), the lower end of valve plate (1) is through installing lower (11), install sealing washer (12) between valve body (1) and lower valve rod (4), the sealing device is characterized in that an assembly groove (14) and a sealing groove (15) are respectively formed in the upper end, close to the connecting piece (13), of the valve body (1) at the lower end of the inner side of the connecting piece (13), sealing filler (16) is arranged on the inner side of the sealing groove (15), an upper gland (17) is arranged on the inner side of the assembly groove (14), the upper gland (17) is arranged on the outer side of the upper valve rod (3) at the upper end of the sealing filler (16), an actuating mechanism (18) is arranged at the upper end of the connecting piece (13), and a rotating handle (19) is arranged on one side of the actuating mechanism (18).

2. The electrically operated hard seal butterfly valve of claim 1, wherein: the valve is characterized in that a fixed groove (20) is formed in one side, close to the cover plate (10), of the upper valve rod (3) and the lower valve rod (4), a connecting ring (21) is installed on one side, close to the valve plate (5), of the cover plate (10), and the connecting ring (21) is connected with the fixed groove (20) in a matched mode.

3. The electrically operated hard seal butterfly valve of claim 1, wherein: the valve plate (5) is formed by a first sealing plate (51) and a second sealing plate (52), the fastener (8) is fixedly connected with the second sealing plate (52), a connecting groove (22) is formed in one side, close to the cover plate (10), of the first sealing plate (51), a connecting block (23) is arranged in one side, close to the connecting groove (22), of the cover plate (10), and the connecting block (23) is connected with the connecting groove (22) in a matched mode.

4. The electrically operated hard seal butterfly valve of claim 1, wherein: the upper end of valve body (1) is installed flange (24), mounting flange (25) are all installed at both ends about connecting piece (13), pass through bolt fixed connection between flange (24) and mounting flange (25), fixed flange (26) are installed to the lower extreme of actuating mechanism (18), fixed flange (26) pass through bolt fixed connection with mounting flange (25).

5. The electrically operated hard seal butterfly valve of claim 3, wherein: the surface of the first sealing plate (51) is provided with a fixing groove (27), and the fastening block (9) is arranged on the inner side of the fixing groove (27).