CN220581832U - Tap water anti-freezing valve assembly - Google Patents

Abstract

The application discloses tap water valve assembly that prevents frostbite, including the trunk line, the below of trunk line is connected with ice chamber, ice chamber middle part is equipped with the drainage passageway, works as when ice intracavity freezes the drainage passageway is opened, ice intracavity ice melts the time the drainage passageway is closed, the end of drainage passageway is equipped with water guide assembly, water guide assembly is suitable for with water in the drainage passageway is directed to the outer end in ice chamber. When the application is implemented, through the water draining passage, water is guided to the outer wall of the ice cavity pipe after passing through the water draining passage, the contact area is increased with the outer wall of the ice cavity pipe, so that the heat transfer effect is good, ice formed in the ice cavity pipe is melted more easily, the water draining time is shortened, the time for draining water for freezing prevention can be effectively reduced, water is effectively saved, and the operation is repeated after a period of time, so that freezing can be prevented.

Description

Tap water anti-freezing valve assembly

Technical Field

The application relates to the technical field of valves, in particular to a tap water antifreezing valve assembly.

Background

When the temperature is lower than 0 ℃ in winter, freezing solidification is easy to occur in the pipeline, water pipelines and parts can be frozen and damaged, the common tap water pipeline is pre-buried underground at present, so that the freezing phenomenon is less, however, a valve for domestic water cannot be arranged underground, the phenomenon relates to domestic water, the frozen and damaged valve is easy to waste water resources, and labor and material resources are consumed for maintenance, so that the frozen and damaged tap water pipeline is very troublesome to process, and the quality of life is influenced. The existing antifreezing method is to wrap and wind antifreezing materials, and has good effect on the water pipe, but the valve is difficult to wrap the antifreezing materials.

The valve antifreezing means at present mainly comprises: (1) When the valve stops being used, the water level in the valve is lowered to the position below the ground, so that freezing is prevented; (2) When the valve is just frozen, the water pipe valve is opened to drain water, water flow is generated, so that the freezing is prevented, and when the ice is melted by water flow heat, the water pipe valve is closed, and the water pipe valve is reciprocated to prevent the freezing. The first method needs to perform specific manual operation adjustment on the valve, and is difficult to popularize and use widely in practice; in the second method, the heat of the water flow is low, the contact area between the water and the valve is small, the heat transfer efficiency is low, the melting time is long, and more water resources are wasted in the process. Therefore, under the second method, we propose a tap water antifreeze valve assembly capable of reducing the waste of water resources.

Disclosure of Invention

The utility model aims at providing a tap water antifreeze valve assembly of comparatively economizing on water.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the utility model provides a tap water valve assembly that prevents frostbite, includes the trunk line, the below of trunk line is connected with ice chamber pipe, ice chamber pipe middle part is equipped with the sluicing passageway, works as when icing in the ice chamber pipe the sluicing passageway is opened, ice chamber intraductal ice melts the sluicing passageway is closed, the end of sluicing passageway is equipped with water guide assembly, water guide assembly is suitable for with water in the sluicing passageway is directed to the outer end of ice chamber pipe.

Specifically, the inner chamber top of ice chamber pipe is equipped with the piston, the top of piston is equipped with the valve block, the trunk line corresponds the mounted position of ice chamber pipe is equipped with the valve port, the ice chamber pipe is in the part below the piston forms ice chamber, ice chamber with be provided with the raceway and communicate between the trunk line, make when the water in the ice chamber freezes the piston rise, the valve block moves up and leaves the valve port, so that the trunk line with open the intercommunication between the sluicing passageway, the rivers are opened and are made when the ice in the ice chamber melts, the piston resets and gets into the valve port, the valve block moves down and closes, the sluicing passageway is closed.

Preferably, the water drain passage is set as a water drain pipe, the water guide assembly is arranged at the tail end of the water drain pipe, the water guide assembly is attached to the ice cavity pipe, when the water drain passage is opened, water enters the water guide assembly through the water drain pipe, and the water guide assembly guides the water to transfer heat with the outer wall of the ice cavity pipe.

Further, the water guide assembly comprises a cylindrical heat transfer tube and a water guide part for guiding, and the heat transfer tube comprises an avoidance groove suitable for the water delivery tube.

Preferably, the water guiding part is a spiral, which is tightly attached to the inner side wall of the heat transfer tube, the water drain pipe is communicated with the inner cavity of the heat transfer tube, and the communicating part is positioned above one spiral of the spiral water guiding part.

Preferably, the bottom of ice chamber pipe with water guide assembly is equipped with the base, be equipped with the wash port on the base, the bottom slope of wash port sets up downwards.

Further, the diameters of the drain pipe and the water delivery pipe are smaller than the diameter of the main pipeline, and the outer sides of the drain pipe and the water delivery pipe are provided with anti-freezing layers.

Preferably, an elastic piece is arranged between the piston and the top of the main pipeline, and the elastic piece is suitable for propping the valve plate against the valve port at the bottom of the main pipeline.

Preferably, the top of the main pipeline is provided with a detachable fixing part, the bottom of the fixing part is positioned in the inner cavity of the main pipeline, and the top of the elastic piece is fixedly arranged at the bottom of the fixing part.

Preferably, an ice cavity wall is formed in the ice cavity pipe, the bottom of the piston is attached to the ice cavity wall, an O-shaped ring is arranged in the middle of the piston, and interference fit is formed between the O-shaped ring and the ice cavity wall.

Compared with the prior art, the beneficial effect of this application lies in:

the water is guided to the outer wall of the ice cavity pipe after passing through the water draining passage, the contact area is increased with the outer wall of the ice cavity pipe, the heat transfer effect is good, ice formed in the ice cavity pipe is melted more easily, the water draining time is shortened, the time for draining water for freezing prevention can be effectively shortened, water saving is effectively carried out, and freezing can be prevented by repeating the operation after a period of time.

Drawings

Fig. 1 is a schematic diagram of the overall structure.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a side view of the present utility model.

Fig. 4 is a schematic structural view of the heat transfer pipe.

Fig. 5 is a schematic view of the structure of the water guide in the heat transfer pipe.

In the figure: 1. a fixing part; 2. a main pipe; 3. a water pipe; 4. a drain pipe; 5. an ice cavity tube; 6. a heat transfer tube; 61. an avoidance groove; 7. a base; 8. an anti-freezing layer; 9. an elastic member; 10. a valve plate; 11. a water guide part; 12. an ice cavity wall; 13. a piston; 14. an ice cavity; 15. and a drain hole.

Detailed Description

The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

Examples:

the utility model provides a tap water valve assembly that prevents frostbite, including trunk line 2, the below of trunk line 2 is connected with ice chamber pipe 5, ice chamber pipe 5 middle part is equipped with the sluicing passageway, when icing in ice chamber pipe 5 the sluicing passageway open, sluicing passageway is closed when ice in the ice chamber pipe 5 melts, it is the technical means commonly used in the art to open and close the sluicing passageway automatically through temperature control anti-freezing valve, its concrete implementation mode is more, the volume increases in order to make the valve open the sluicing passageway when icing in the ice chamber pipe 5 in this embodiment, the volume resumes when ice in the ice chamber pipe 5 melts, thereby the sluicing passageway closes this means and controls the switching of valve, unlike the prior art, the end of sluicing passageway is equipped with the water guide assembly in this embodiment, the water guide assembly is suitable for guiding the water in the sluicing passageway to the outer end of ice chamber pipe 5, when the sluicing passageway is opened, the tap water pipeline connected with the main pipeline 2 is internally provided with a water discharge passage with a certain temperature (higher than 0 ℃) and can form heat exchange with the ice cavity pipe 5 when passing through until ice formed in the ice cavity pipe 5 is melted, the water discharge passage is always opened in the process before melting, the tap water pipe is continuously discharged, if a water guide component is not arranged to increase the contact area with the ice cavity pipe 5, the heat transfer effect is poor, the melting time is long, so that more water correspondingly used for freezing prevention and lost is wasted, the water is guided to the outer wall of the ice cavity pipe 5 after passing through the water discharge passage, the contact area with the outer wall of the ice cavity pipe 5 is increased, the heat transfer effect is good, the ice formed in the ice cavity pipe 5 is melted more easily, the water discharge time is shortened, the time for discharging water for freezing prevention can be effectively reduced, therefore, water is effectively saved, and the above operation is repeated after a period of time, so that freezing can be prevented. In this embodiment, the outer wall of the main pipe 2 may be provided with a heat insulation layer, while the outer wall of the ice cavity pipe 5 is not provided, so that the residual water in the ice cavity pipe 5 is frozen first, in practice, the main pipe 2 is connected with the tap water pipe, and the ice cavity pipe 5 is connected through the main pipe 2, so that the water in the ice cavity pipe 5 is frozen first than the water in the main pipe 2, and thus, the water drain passage is opened before the main pipe 2 is frozen, and the main pipe 2 is prevented from being frozen. It should be noted that, tap water in the tap water pipe in winter generally goes out of a water supply plant to heat, and the tap water has a certain initial temperature, so that water passing through the water discharge passage can transfer heat to the ice cavity pipe 5.

Specifically, the inner chamber top of ice chamber pipe 5 is equipped with piston 13, the top of piston 13 is equipped with valve block 10, the trunk line 2 is equipped with the valve port corresponding to the mounted position of ice chamber pipe 5, the part of ice chamber pipe 5 below piston 13 forms ice chamber 14, be provided with raceway 3 between ice chamber 14 and the trunk line 2 and communicate, make piston 13 rise when the water in the ice chamber 14 freezes, valve block 10 moves away from the valve port upward, so that open the intercommunication between trunk line 2 and the sluicing passageway, when rivers are opened and make the ice in the ice chamber 14 melt, piston 13 resets and gets into the valve port, valve block 10 moves down and closes, the sluicing passageway is closed.

As shown in fig. 1, the drainage channel of the present embodiment is set as a drainage pipe 4, the water guiding component is set at the end of the drainage pipe 4, the water guiding component is attached to the ice cavity pipe 5, when the drainage channel is opened, water enters the water guiding component through the drainage pipe 4, and the water guiding component guides the water to transfer heat with the outer wall of the ice cavity pipe 5. The water guide assembly comprises a cylindrical heat transfer tube 6 and a water guide part 11 for guiding, wherein the cylindrical heat transfer tube 6 is matched with the ice cavity tube 5, and the heat transfer tube 6 comprises a avoidance groove 61 suitable for the water conveying tube 3. The water guiding part 11 is preferably a spiral type, which is closely attached to the inner side wall of the heat transfer tube 6, the water drain tube 4 is communicated with the inner cavity of the heat transfer tube 6, and the communicating part is positioned above one spiral of the spiral type water guiding part 11. In this embodiment, when the valve plate 10 and the valve port are opened, water passes through the drain pipe 4 to enter the heat transfer pipe 6 of the water guide assembly, and is guided by the spiral water guide portion 11, and water flow is uniformly guided to the inner wall of the heat transfer pipe 6 of the water guide assembly, so that heat of the water flow can be fully conducted between the heat transfer pipe 6 and the ice cavity pipe 5, ice in the ice cavity pipe 5 can be melted more quickly, the drain time of the drain passage is shortened, and a water saving effect is achieved.

In order to facilitate the drainage of the drain pipe 4, the bottoms of the ice cavity pipe 5 and the water guide component are provided with a base 7, the base 7 is provided with a drain hole 15, the bottom of the drain hole 15 is obliquely downwards arranged, and the drain hole 15 which is obliquely downwards designed can prevent residual moisture in the hole, so that the water drain hole 15 is prevented from being blocked by icing to cause faults.

In this embodiment, it is obvious that the diameters of the drain pipe 4 and the water pipe 3 are smaller than the diameter of the main pipe 2, the water pipe 3 is only used for providing liquid in the ice cavity pipe 5, the drain pipe 4 is used for forming water flow and preventing freezing during icing, the diameters of the drain pipe 4 and the water pipe should be smaller for saving water, the diameters of the drain pipe 4 and the water pipe are smaller, the diameters of the drain pipe are smaller, the volume of the water pipe is smaller, and the water pipe is easier to freeze, and then the anti-freezing layers 8 are arranged on the outer sides of the drain pipe 4 and the water pipe 3 and used for preventing icing of the drain pipe and the water pipe, and the anti-freezing layers 8, the heat preservation layers and the like are all prior art in the field.

In order to facilitate the valve plate 10 to seal the valve port after freezing and deicing and in a normal state, an elastic piece 9 is arranged between the piston 13 and the top of the main pipeline 2, and the elastic piece 9 is suitable for propping the valve plate 10 against the valve port at the bottom of the main pipeline 2. Further, the top of the main pipeline 2 is provided with a detachable fixing part 1, the bottom of the fixing part 1 is positioned in the inner cavity of the main pipeline 2, the elastic piece 9 is a spring, and the top of the spring is fixedly arranged at the bottom of the fixing part 1. The detachable fixing part 1 enables easy maintenance of this part.

In order to ensure that the piston 13 can normally move and prevent the piston 13 from being frozen, an ice cavity wall 12 is formed in the ice cavity pipe 5, the bottom of the piston 13 is attached to the ice cavity wall 12, an O-shaped ring is arranged in the middle of the piston 13, interference fit is formed between the O-shaped ring and the ice cavity wall 12, the top of the ice cavity wall 12 is flush with the water drain pipe 4, so that water at the top of the ice cavity wall 12 can be completely discharged, and the bottom of the piston 13 is blocked by the O-shaped ring, so that the situation that the piston 13 is frozen is difficult to occur.

The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.

Claims (10)

1. The tap water antifreezing valve assembly comprises a main pipeline, and is characterized in that an ice cavity pipe is connected below the main pipeline, a water draining passage is arranged in the middle of the ice cavity pipe, the water draining passage is opened when ice is frozen in the ice cavity pipe, the water draining passage is closed when ice is melted in the ice cavity pipe,

the tail end of the water draining passage is provided with a water guiding assembly, and the water guiding assembly is suitable for guiding water in the water draining passage to the outer end of the ice cavity tube.

2. The tap water antifreeze valve assembly of claim 1, wherein a piston is arranged at the top of the inner cavity of the ice cavity pipe, a valve plate is arranged at the top of the piston, a valve port is arranged at the installation position of the main pipeline corresponding to the ice cavity pipe, the ice cavity pipe forms an ice cavity at the part below the piston, a water pipe is arranged between the ice cavity and the main pipeline for communication,

when water in the ice cavity is frozen, the piston rises, the valve plate moves upwards to leave the valve port, so that communication is opened between the main pipeline and the water draining passage, when water flow is opened, and ice in the ice cavity is melted, the piston resets to enter the valve port, the valve plate moves downwards to be closed, and the water draining passage is closed.

3. The tap water antifreeze valve assembly of claim 2, wherein said drain passage is configured as a drain pipe, said water guide assembly is disposed at a distal end of said drain pipe, said water guide assembly is attached to said ice cavity pipe,

when the water drain passage is opened, water enters the water guide assembly through the water drain pipe, and the water guide assembly guides the water to conduct heat transfer with the outer wall of the ice cavity pipe.

4. A tap water antifreeze valve assembly as defined in claim 3, wherein said water guide assembly includes a cylindrical heat transfer tube and a water guide for guiding, said heat transfer tube including a relief groove adapted to said water conduit.

5. The tap water antifreeze valve assembly of claim 4, wherein said water guide is helical and is disposed in close proximity to an inner sidewall of said heat transfer tube, said drain tube is in communication with an interior cavity of said heat transfer tube, and said communication portion is disposed above one of said screws of said helical water guide.

6. The tap water antifreeze valve assembly of claim 5, wherein said ice chamber tube and said water guide assembly have bases at their bottoms, said bases having drain holes, said drain holes having bottoms disposed obliquely downward.

7. The tap water antifreeze valve assembly of claim 3, wherein said drain pipe and said conduit are smaller in diameter than said main pipe, and wherein said drain pipe and said conduit are provided with antifreeze layers on the outside thereof.

8. The tap water antifreeze valve assembly of claim 2, wherein an elastic member is disposed between said piston and the top of said main conduit, said elastic member being adapted to urge said valve plate against the valve port at the bottom of said main conduit.

9. The tap water antifreeze valve assembly of claim 8, wherein a removable fixture is provided on the top of said main conduit, the bottom of said fixture is located in the interior cavity of said main conduit, and the top of said resilient member is fixedly mounted to the bottom of said fixture.

10. The tap water antifreeze valve assembly of claim 9, wherein an ice cavity wall is formed in said ice cavity tube, the bottom of said piston is in contact with said ice cavity wall, an O-ring is disposed in the middle of said piston, and an interference fit is formed between said O-ring and said ice cavity wall.