CN218118628U

CN218118628U - Stainless steel butterfly valve for hot water supply system

Info

Publication number: CN218118628U
Application number: CN202221680809.XU
Authority: CN
Inventors: 吕晓茹
Original assignee: Tianjin Lugong Valve Group Co ltd
Current assignee: Tianjin Lugong Valve Group Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-12-23
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a stainless steel butterfly valve for hot water supply system, the valve comprises a valve body, the inboard middle part upper end of valve body is provided with first rotation pole through the bearing activity, the fixed butterfly plate that is provided with of first rotation pole lower extreme, butterfly plate outside fixed surface is provided with annular gasbag, the fixed function storehouse that is provided with in middle part on the valve body, first rotation pole alternates inside extending to the function storehouse through the valve body, the fixed gear that is provided with in the first rotation pole outside, the fixed cylinder that is provided with in inside one side in function storehouse, first rotation pole is hollow pole, first rotation pole inside switches on each other with the butterfly plate is inside, the fixed first solenoid valve that is provided with in first rotation pole upper end. The utility model discloses excellent in use effect can freely adjust the inflation volume and the inflation dynamics of annular gasbag to can improve the sealed effect of device.

Description

Stainless steel butterfly valve for hot water supply system

Technical Field

The utility model relates to a butterfly valve technical field specifically is a stainless steel butterfly valve for hot water supply system.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.

The 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 main functions of cutting off and throttling are realized on the pipeline. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

And present butterfly valve when using especially when using in the regional great hot water supply system of temperature change, because expend with heat and contract with cold principle, and the sealing ring thickness of present butterfly valve plate outside surface is unchangeable, if it makes comparatively inconvenient to close the valve butterfly plate when the temperature is higher with the thick of sealing ring design, and when thinner with the sealing ring design, lead to the condition emergence of sealed effect inefficacy when the temperature is lower easily, and lack a seal structure that can adjust seal structure thickness and can adjust sealing pressure as required at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stainless steel butterfly valve for hot water supply system to solve the problem that provides among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a stainless steel butterfly valve for hot water supply system, includes the valve body, the inboard middle part upper end of valve body is provided with first rotation pole through the bearing activity, the fixed butterfly plate that is provided with of first rotation pole lower extreme, butterfly plate outside fixed surface is provided with annular gasbag, the fixed function storehouse that is provided with in valve body upper end middle part, first rotation pole alternates inside extending to the function storehouse through the valve body, the fixed gear that is provided with in first rotation pole outside, the fixed cylinder that is provided with in inside one side of function storehouse, first rotation pole is hollow pole, the inside and the inside mutual conduction of butterfly plate of first rotation pole, the fixed first solenoid valve that is provided with in first rotation pole upper end, the fixed first breather pipe that is provided with in first solenoid valve upper end, the fixed second solenoid valve that is provided with in cylinder surface one side, the fixed second breather pipe that is provided with in second solenoid valve surface one side.

Preferably, the movable end of cylinder is fixed and is provided with the rack, intermeshing between rack and the gear can conveniently drive the gear rotation through the rack to can conveniently drive the butterfly plate and open and shut or close.

Preferably, the inside lower extreme of valve body is provided with the second dwang through the bearing interaction, the inside cavity of second dwang, the second dwang alternates to extend to valve body lower extreme through the valve body, the fixed manometer that is provided with of second dwang lower extreme can learn butterfly plate and annular gasbag internal pressure in real time through the manometer.

Preferably, a plurality of logical grooves have evenly been seted up at the inboard middle part of butterfly plate, the butterfly plate is inside to communicate each other through leading to the groove with annular gasbag, can conveniently enter into annular gasbag through leading to the groove through the inside gas of butterfly plate inside.

Preferably, both sides of the surface of the valve body are fixedly provided with connecting flanges, and the valve body can be conveniently connected with other pipelines externally through the connecting flanges.

Preferably, the first vent pipe and the second vent pipe are made of connecting hose materials, and the butterfly plate can be conveniently rotated through the first vent pipe and the second vent pipe hose materials.

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

1. the utility model discloses a first coupling hose lets in high-pressure gas to first pivot pole is inside, so can make gas enter into hollow butterfly inboard inside, inside rethread logical groove entered into annular gasbag afterwards, then make annular gasbag inflation get up, so can play sealed effect through annular gasbag, so can be according to the thickness of temperature automatic control seal structure, can also adjust annular gasbag's sealing pressure as required simultaneously, so can improve the result of use of device.

The utility model discloses can learn butterfly plate and annular gasbag internal pressure in real time through the manometer during the use to can the accurate annular gasbag sealing pressure of adjusting.

Drawings

FIG. 1 is a schematic view of the overall structure of a stainless steel butterfly valve for a hot water supply system according to the present invention;

FIG. 2 is a view of the internal structure of a stainless steel butterfly valve functional bin for a hot water supply system according to the present invention;

fig. 3 is an installation view of the stainless steel butterfly valve butterfly plate and the annular air bag for the hot water supply system of the present invention.

In the figure: 1. a valve body; 2. a first rotating lever; 3. a butterfly plate; 4. an annular air bag; 5. a functional bin; 6. a gear; 7. a cylinder; 8. a first solenoid valve; 9. a first breather pipe; 10. a second solenoid valve; 11. a second vent pipe; 12. a rack; 13. a second rotating rod; 14. a pressure gauge; 15. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a stainless steel butterfly valve for hot water supply system, includes

valve body

1, 1 inboard middle part upper end of valve body is provided with first pivot pole 2 through the bearing activity, the fixed butterfly plate 3 that is provided with of 2 lower extremes of first pivot pole, 3 outside fixed surfaces of butterfly plate are provided with

annular gasbag

4, 1 upper end middle part of valve body is fixed and is provided with

function storehouse

5, 2 interlude of first pivot pole extend to inside 5 of function storehouse through

valve body

1, 2 outside fixed gears 6 that are provided with of first pivot pole, the fixed cylinder 7 that is provided with in 5 inside one side of function storehouse, first pivot pole 2 is hollow pole, 2 inside and 3 inside mutual breakthroughs of butterfly plate of first pivot pole, 2 fixed first solenoid valves 8 that are provided with in upper end of first solenoid valve 8, the fixed first breather pipe 9 that is provided with in 8 upper ends of first solenoid valves, 7 fixed second solenoid valves 10 that are provided with in surface one side of cylinder, the fixed second solenoid valve 10 that is provided with in surface one side is provided with second breather pipe 11.

The movable end of the cylinder 7 is fixedly provided with a rack 12, the rack 12 is meshed with the gear 6, and the gear 6 can be conveniently driven to rotate through the rack 12, so that the butterfly plate 3 can be conveniently driven to open or close.

The inside lower extreme of valve body 1 is provided with second dwang 13 through the bearing interaction, the inside cavity of second dwang 13, second dwang 13 alternates and extends to 1 lower extreme of valve body through valve body 1, the fixed manometer 14 that is provided with of second dwang 13 lower extreme can learn

butterfly plate

3 and 4 internal pressure of annular gasbag in real time through manometer 14.

A plurality of through grooves 15 are evenly formed in the middle of the inner side of the butterfly plate 3, the butterfly plate 3 is communicated with the inside of the annular air bag 4 through the through grooves 15, and the gas inside the butterfly plate 3 can conveniently enter the annular air bag 4 through the through grooves 15.

All fixed flange that is provided with in 1 surperficial both sides of valve body, can conveniently be with external other pipelines of valve body 1 through flange.

The first vent pipe 9 and the second vent pipe 11 are made of connecting hose materials, and the butterfly plate 3 can be conveniently rotated through the first vent pipe 9 and the second vent pipe 11.

The working principle is as follows: when the device is used, the butterfly plate 3 is used for playing a role of valve switch, the butterfly plate 3 can be controlled to be in a telescopic link through the second vent pipe 11, high-pressure air flow is introduced into the telescopic link, so that the expansion of the air cylinder 7 can be controlled, then the butterfly plate 3 can be driven to rotate through the rack 12 and the gear 6, the sealing effect of the device is realized, high-pressure air can be introduced into the first rotating rod 2 through the first connecting hose, so that air can enter the hollow butterfly plate 3, then the air enters the annular air bag 4 through the through groove 15, then the annular air bag 4 is expanded, so that the sealing effect can be realized through the annular air bag 4, so that the thickness of the sealing structure can be automatically controlled according to the temperature, meanwhile, the sealing pressure of the annular air bag 4 can be adjusted as required, so that the sealing use effect of the device in the face of ultrahigh-pressure fluid can be improved, and the internal pressure of the butterfly plate 3 and the annular air bag 4 can be known in real time through the pressure gauge 14 when the device is used, so that the sealing pressure of the annular air bag 4 can be accurately adjusted, and the working principle of the stainless steel butterfly plate 3 and stainless steel butterfly valve for a hot water supply system is adopted.

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.

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

1. The utility model provides a stainless steel butterfly valve for hot water supply system, includes valve body (1), its characterized in that: the improved valve is characterized in that a first rotating rod (2) is arranged at the upper end of the middle of the inner side of a valve body (1) through a bearing in a movable mode, a butterfly plate (3) is fixedly arranged at the lower end of the first rotating rod (2), an annular air bag (4) is fixedly arranged on the surface of the outer side of the butterfly plate (3), a function bin (5) is fixedly arranged at the middle of the upper end of the valve body (1), the first rotating rod (2) penetrates through the valve body (1) and extends to the inside of the function bin (5), a gear (6) is fixedly arranged on the outer side of the first rotating rod (2), an air cylinder (7) is fixedly arranged on one side of the inside of the function bin (5), the first rotating rod (2) is an hollow rod, the inside of the first rotating rod (2) and the butterfly plate (3) are mutually communicated, a first electromagnetic valve (8) is fixedly arranged on the upper end of the first electromagnetic valve (8), a first air vent pipe (9) is fixedly arranged on one side of the surface of the air cylinder (7), and a second electromagnetic valve (10) is fixedly arranged on one side of the surface.

2. A stainless steel butterfly valve for a hot water supply system according to claim 1, wherein: the movable end of the air cylinder (7) is fixedly provided with a rack (12), and the rack (12) is meshed with the gear (6).

3. A stainless steel butterfly valve for a hot water supply system according to claim 1, wherein: the valve body (1) inside lower extreme is provided with second dwang (13) through the bearing interaction, the inside cavity of second dwang (13), second dwang (13) alternate and extend to valve body (1) lower extreme through valve body (1), second dwang (13) lower extreme is fixed and is provided with manometer (14).

4. A stainless steel butterfly valve for a hot water supply system according to claim 1, wherein: a plurality of through grooves (15) are uniformly formed in the middle of the inner side of the butterfly plate (3), and the butterfly plate (3) is communicated with the inside of the annular air bag (4) through the through grooves (15).

5. A stainless steel butterfly valve for a hot water supply system according to claim 1, wherein: and connecting flanges are fixedly arranged on two sides of the surface of the valve body (1).

6. A stainless steel butterfly valve for a hot water supply system according to claim 1, wherein: the first vent pipe (9) and the second vent pipe (11) are made of connecting hose materials.