CN217784235U - Anti-freezing type flange metal hard sealing butterfly valve - Google Patents

Abstract

The utility model belongs to the technical field of the flange seal butterfly valve technique and specifically relates to a formula of preventing frostbite flange metal butterfly valve sealed firmly, including valve body and water pipe, the valve body includes connecting pipe and rotary switch, the upper end fixedly connected with casing of connecting pipe, the through-hole has been seted up to the upper portion inboard of casing, the inboard upper position fixedly connected with driving motor of department of rear end face inboard of casing, driving motor's the terminal fixedly connected with carousel of main shaft, the inboard sliding connection of casing has the piston board, the lower terminal surface fixedly connected with of piston board is sealed to fill up, the up end fixedly connected with piston rod of piston board, logical groove has been seted up on the upper portion of connecting pipe, communicate through leading to the groove between the inboard lower part of the inboard of connecting pipe and casing, can utilize the up-and-down motion of piston board and piston rod like this, make the water keep mobility, in order to solve in chilly winter, the condition that the butterfly valve freezes very easily takes place, and can the volume increase because water can make the problem of butterfly valve and pipeline frost crack often take place winter.

Description

Anti-freezing type flange metal hard sealing butterfly valve

Technical Field

The utility model relates to a flange seal butterfly valve technical field specifically is an anti-freeze formula flange metal butterfly valve sealed firmly.

Background

The flange butterfly valve is simple in structure, small in size and light in weight, only comprises a few parts, can be opened and closed quickly only by rotating 90 degrees, is simple to operate, and has good fluid control characteristics, a butterfly plate of the butterfly valve is installed in the diameter direction of a pipeline, the disc-shaped butterfly plate rotates around an axis in a cylindrical channel of a valve body of the butterfly valve, the rotation angle ranges from 0 degree to 90 degrees, when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a full-open state, when the flange butterfly valve is in a fully-open position, the thickness of the butterfly plate is the only resistance when a medium flows through the valve body, therefore, pressure drop generated by the valve is very small, the valve has good flow control characteristics, and in the daily use process of the flange butterfly valve, particularly in cold winter, the condition that the butterfly valve is frozen is very easy to occur, and the volume of water can be increased when the butterfly valve is frozen, so that the conditions that the pipeline is frozen and cracked frequently occur in winter bring certain problems to normal water supply, therefore, the anti-freezing flange butterfly valve is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a formula of preventing frostbite flange metal seals butterfly valve firmly to the solution is in chilly winter, very easily takes place the condition that the butterfly valve freezes, moreover because water can make the volume increase when freezing, so often can take place the problem that butterfly valve and pipeline freeze and split winter, has better spreading value.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a formula of preventing frostbite flange metal butterfly valve sealed firmly, includes valve body and water pipe, the valve body includes connecting pipe and rotary switch, the first ring flange of the equal fixedly connected with in both ends about the connecting pipe, the outside fixedly connected with second ring flange of water pipe, fix through the screwed connection of connecting bolt and nut between first ring flange and the second ring flange, the upper end fixedly connected with casing of connecting pipe, the through-hole has been seted up to the upper portion inboard of casing, the inboard upper position fixedly connected with driving motor that leans on the upper side of the rear end face of casing department, driving motor's the terminal fixedly connected with carousel of main shaft, the inboard sliding connection of casing has the piston plate, the lower terminal surface fixedly connected with of piston plate is sealed, the up end fixedly connected with piston rod of piston plate, logical groove has been seted up on the upper portion of connecting pipe, communicate through leading to the groove between the inboard lower part of connecting pipe and the inboard lower part of casing.

Preferably: the inner side of the shell is fixedly connected with a fixing plate, the lower end face of the fixing plate is fixedly connected with one end of an extension spring, and the other end of the extension spring is fixedly connected with the upper end face of the piston plate.

Preferably, the following components: the inner side of the upper part of the piston rod is embedded with a ball, and the outer side of the ball is connected with the turntable in a sliding manner.

Preferably, the following components: the shape of carousel is oval setting, the length of the oval major axis of carousel is four fifths of distance between the shells inner wall.

Preferably, the following components: the shell, the driving motor, the rotary table, the piston plate, the sealing gasket and the piston rod are respectively provided with two parts, namely the shell, the driving motor, the rotary table, the piston plate, the sealing gasket and the piston rod are symmetrically arranged on the left side and the right side of the central axis of the rotary switch.

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

1. the utility model discloses in, through the driving motor, carousel, piston rod, piston plate and the extension spring who sets up, can utilize the up-and-down motion of piston plate and piston rod, make the water keep mobility to solve in chilly winter, very easily take place the condition that the butterfly valve freezes, because water can make the volume increase when freezing moreover, so often can take place the problem that butterfly valve and pipeline freeze and split winter, have better spreading value.

Drawings

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

FIG. 2 is a schematic view of the structure at the position A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the structure at B of fig. 2 according to the present invention.

In the figure: 1-valve body, 101-connecting pipe, 102-rotary switch, 103-through groove, 2-water pipe, 3-first flange, 4-second flange, 5-connecting bolt, 6-nut, 7-shell, 8-through hole, 9-driving motor, 10-rotary table, 11-piston plate, 12-sealing gasket, 13-piston rod, 14-extension spring, 15-ball and 16-fixing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

Referring to fig. 1-3, the present invention provides a technical solution:

an anti-freezing type flange metal hard seal butterfly valve comprises a valve body 1 and a water pipe 2, wherein the valve body 1 comprises a connecting pipe 101 and a rotary switch 102, the left end and the right end of the connecting pipe 101 are fixedly connected with a first flange 3, the outer side of the water pipe 2 is fixedly connected with a second flange 4, the first flange 3 and the second flange 4 are fixed through the screw connection of a connecting bolt 5 and a nut 6, the upper end of the connecting pipe 101 is fixedly connected with a shell 7, the inner side of the upper part of the shell 7 is provided with a through hole 8, a driving motor 9 is fixedly connected to the upper position of the inner side of the rear end face of the shell 7, a turntable 10 is fixedly connected to the end of a main shaft of the driving motor 9, a piston plate 11 is slidably connected to the inner side of the shell 7, a sealing gasket 12 is fixedly connected to the lower end face of the piston plate 11, a piston rod 13 is fixedly connected to the upper end face of the piston plate 11, a through groove 103 is formed in the upper portion of the connecting pipe 101, the inner side of the connecting pipe 101 is communicated with the lower portion of the inner side of the shell 7 through the through groove 103, the inner side of the shell 7 is fixedly connected with a fixed plate 16, the lower end surface of the fixed plate 16 is fixedly connected with one end of an extension spring 14, the other end of the extension spring 14 is fixedly connected with the upper end surface of a piston plate 11, the up-and-down reciprocating motion of the piston plate 11 and a piston rod 13 can be utilized to keep the water body in fluidity, so that the problem that the butterfly valve is very easy to freeze in cold winter is solved, the volume of water is increased when freezing, the problem that the butterfly valve and a pipeline are frequently cracked due to frost in winter is solved, the popularization value is good, the inner side of the upper part of the piston rod 13 is embedded with a ball 15, the outer side of the ball 15 is connected with a rotary table 10 in a sliding manner, so that the friction force between the piston rod 13 and the rotary table 10 can be reduced, the rotary table 10 is in an oval shape, and the length of the oval major axis of the rotary table 10 is four fifths of the distance between the inner walls of the shell 7, the two shells 7, the two driving motors 9, the two turntables 10, the two piston plates 11, the two sealing gaskets 12 and the two piston rods 13 are symmetrically arranged on the left side and the right side of the central axis of the rotary switch 102, so that the whole device is more reasonable.

The working process comprises the following steps: when the valve body 1 needs to be used, the first flange plate 3 and the second flange plate 4 are fixedly connected through the connecting bolt 5 and the nut 6, when the temperature of the valve body 1 is low in the using process, the driving motor 9 is started, the driving motor 9 drives the rotary table 10 to rotate, the piston rod 11 and the piston plate 13 are driven to move up and down under the elastic potential energy of the tension spring 14, and then water inside the connecting pipe 101 flows between the lower portion of the shell 7 and the connecting pipe 101, so that water flow keeps flowing, and freezing of a water body is prevented.

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

Claims (5)

1. The utility model provides a formula of preventing frostbite flange metal butterfly valve sealed firmly, includes valve body (1) and water pipe (2), its characterized in that: valve body (1) includes connecting pipe (101) and rotary switch (102), the equal fixedly connected with first ring flange (3) in both ends about connecting pipe (101), outside fixedly connected with second ring flange (4) of water pipe (2), fix through the screwed connection of connecting bolt (5) and nut (6) between first ring flange (3) and second ring flange (4), upper end fixedly connected with casing (7) of connecting pipe (101), through-hole (8) have been seted up to the upper portion inboard of casing (7), the rear end inboard upper position department fixedly connected with driving motor (9) of rear end face of casing (7), the terminal fixedly connected with carousel (10) of main shaft of driving motor (9), the inboard sliding connection of casing (7) has piston plate (11), the lower terminal surface fixedly connected with of piston plate (11) fills up sealed (12), the up terminal surface fixedly connected with piston rod (13) of piston plate (11), logical groove (103) have been seted up on the upper portion of connecting pipe (101), communicate through groove (103) between the inboard of connecting pipe (101) and the inboard lower part of casing (7).

2. The antifreeze flange metal hard seal butterfly valve of claim 1, wherein: the inner side of the shell (7) is fixedly connected with a fixing plate (16), the lower end face of the fixing plate (16) is fixedly connected with one end of an extension spring (14), and the other end of the extension spring (14) is fixedly connected with the upper end face of the piston plate (11).

3. The antifreeze flange metal hard seal butterfly valve of claim 1, wherein: the inner side of the upper part of the piston rod (13) is embedded with a ball (15), and the outer side of the ball (15) is connected with the rotary table (10) in a sliding manner.

4. The antifreeze flange metal hard seal butterfly valve of claim 1, wherein: the shape of carousel (10) is oval setting, the length of the oval major axis of carousel (10) is four fifths of distance between casing (7) inner wall.

5. The antifreeze flange metal hard seal butterfly valve of claim 1, wherein: the shell (7), the driving motor (9), the rotary table (10), the piston plate (11), the sealing gasket (12) and the piston rod (13) are two, and the shell (7), the driving motor (9), the rotary table (10), the piston plate (11), the sealing gasket (12) and the piston rod (13) are symmetrically arranged on the left side and the right side of the central axis of the rotary switch (102).

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