CN216046185U

CN216046185U - Ice expansion prevention device for water supply pipeline

Info

Publication number: CN216046185U
Application number: CN202122726452.6U
Authority: CN
Inventors: 付博; 单安阳; 于权; 张浩浩; 孙可
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-03-15
Anticipated expiration: 2031-11-09

Abstract

The utility model relates to the technical field of pipeline connecting pieces, in particular to an anti-icing-swelling device for a water supply pipeline, which comprises a T-shaped tee joint and a connecting pipe, wherein the T-shaped tee joint comprises a main pipeline and branch pipelines, wherein the main pipeline is provided with internal threads at two ends, and the branch pipelines are vertical to and communicated with the main pipeline; the connecting pipe is detachably connected with the branch pipeline, the upper end of the connecting pipe is communicated with a miniature inflator pump, and the lower end of the connecting pipe is communicated with a slender inflation and deflation device capable of inflating and expanding; the length of the air charging and discharging device is at least three times of the length of the main pipeline, and the width of the air charging and discharging device is not higher than one third of the diameter of the main pipeline; the utility model fills gas into the air charging and discharging device through the micro inflator pump, so that the volume of the air charging and discharging device is expanded; when the water inside the water pipe freezes and expands, the air inflation and deflation device is extruded, so that the water pipe is provided with a certain compensation space for water expansion, and water pipe breakage or water seepage at the joint caused by the ice expansion effect is prevented.

Description

Ice expansion prevention device for water supply pipeline

Technical Field

The utility model relates to the technical field of pipeline connecting pieces, in particular to an anti-icing and anti-swelling device for a water supply pipeline.

Background

In water conservancy projects, water supply pipelines are responsible for the delivery and distribution of water flow. In severe cold weather, the inside of the water supply pipeline is easy to freeze, and due to the ice expansion effect, the water reserved in the water pipe is easy to freeze and expand, so that the water pipe is broken or the water seepage at the joint is caused, and the ice expansion problem cannot be effectively prevented by the existing water supply pipeline.

SUMMERY OF THE UTILITY MODEL

First, technical problem to be solved

The utility model aims to provide an anti-icing-swelling device for a water supply pipeline, which can effectively reduce the influence of an icing-swelling effect on the water pipe in cold weather.

Second, technical scheme

The utility model is realized by the following technical scheme: the utility model provides an anti-icing-swelling device for a water supply pipeline, which comprises a T-shaped tee joint and a connecting pipe, wherein the T-shaped tee joint comprises a main pipeline with internal threads at two ends and a branch pipeline which is vertical to and communicated with the main pipeline; the connecting pipe is detachably connected with the branch pipeline, the upper end of the connecting pipe is communicated with a miniature inflator pump, and the lower end of the connecting pipe is communicated with a long inflation and deflation device capable of inflating and expanding; the length of the air charging and discharging device is at least three times of the length of the main pipeline, and the width of the air charging and discharging device is not higher than one third of the diameter of the main pipeline.

Furthermore, the inflation and deflation device comprises an arc-shaped upper shell plate, semicircular sealing ends connected to two ends of the arc-shaped upper shell plate and an elastic film completely covering and surrounding the lower surface of the arc-shaped upper shell plate, the arc-shaped upper shell, the semicircular sealing ends and the elastic film surround a sealed cavity with variable volume, and a communicating inner pipe connected with the lower end of the connecting pipe in an inserting and closing manner is arranged in the center of the upper surface of the arc-shaped upper shell.

Further, the lower end of the micro inflator is provided with a joint pipe which is in threaded fit with the connecting pipe.

Further, the outer wall of the connecting pipe and the inner wall of the branch pipeline are respectively provided with an external thread and an internal thread which are in threaded fit with each other.

Further, an electric heating plate is fixed on the inner wall of the arc-shaped upper shell, the upper end of the connecting pipe is higher than the branch pipeline, a through hole is formed in the outer side of the connecting pipe, and a wiring of the electric heating plate penetrates through the through hole to be externally connected with a power supply; the arc-shaped upper shell is made of metal material with better heat conductivity.

Third, beneficial effect

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

1. when the anti-icing and anti-swelling device for the water supply pipeline is used, the connecting pipe and the branch pipeline are fixedly connected, the miniature inflating pump is connected and installed above the connecting pipe, the inflating and deflating device is communicated below the connecting pipe, then the two sections of water supply pipelines are respectively connected to two ends of a main pipeline of the T-shaped tee joint, and gas is filled into the inflating and deflating device through the miniature inflating pump, so that the volume of the inflating and deflating device is expanded; when the water inside the water pipe freezes and expands, the air inflation and deflation device is extruded, so that the water pipe is provided with a certain compensation space for water expansion, and water pipe breakage or water seepage at the joint caused by the ice expansion effect is prevented.

2. The utility model has simple structure and is easy to popularize and use.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the tee of FIG. 1 with the tee removed;

fig. 3 is a partial sectional view of the inflation/deflation device.

1-T-shaped tee joint; 11-a main pipeline; 12-a branch conduit; 2-connecting pipe; 3-a miniature inflator pump; 4-an air charging and discharging device; 41-arc upper shell plate; 42-semi-circular sealed end; 43-an elastic film; 44-communicating the inner tube; 5-a connector pipe; 6-electric heating plate; 7-a through hole; 8-wiring.

Detailed Description

The water supply pipe can lead to the water pipe to break or the junction infiltration because the ice bloated effect takes place for inside water when cold weather, through the internal collapsible space of reserving out of water pipe compensation because of the ice is frozen and is occupied water pipe internal volume more that the effect produced that expands, can reduce the pressure of water to water supply pipe and pipe connection department. Based on the device, the utility model provides the anti-icing-swelling device for the water supply pipeline.

Referring to fig. 1-2, the device is improved on the basis of a common T-shaped tee 1, the T-shaped tee 1 is composed of a main pipe 11 and branch pipes 12, wherein the main pipe 11 is a hollow straight pipe with internal threads at two ends, and the branch pipes 12 are vertically arranged in the middle of the main pipe 11 and communicated with the main pipe 11. The branch pipeline 12 is detachably connected with a connecting pipe 2, the upper end of the connecting pipe 2 is provided with a micro inflator pump 3 communicated with the connecting pipe, the lower end of the connecting pipe 2 is communicated with an inflation and deflation device 4, and the inflation and deflation device 4 can inflate and expand through the micro inflator pump 3. This fill and discharge device 4 is long and thin form, and it occupies longer distance so that can stretch into to the water pipe in length direction longer length, and occupies shorter distance on vertical to reduce the influence to the flow area of water supply pipe, prevent to block rivers and flow, specifically, fill and discharge device 4's length is at least three times of trunk line 11 length, and the width is not higher than the third of trunk line 11 diameter.

When the device is used, a connecting pipe 2 and a branch pipeline 12 are fixedly connected, a micro inflator pump 3 and an inflation and deflation device 4 are respectively arranged at the upper end and the lower end of the connecting pipe 2, and two ends of a main pipeline 11 of a T-shaped tee joint 1 are respectively connected with two sections of water supply pipelines which need to be communicated; filling gas into the gas charging and discharging device 4 through the micro inflator pump 3 to ensure that the volume of the gas charging and discharging device 4 is expanded; when the water of water pipe inside freezes the inflation, the extrusion is filled air bleeder 4 and is made to fill air bleeder 4 shrink and diminish, and the water pipe inner space that the inflation of compensation water freezes and occupy more to prevent to break or the junction infiltration because of the water pipe that the effect of ice bloated leads to.

Referring to fig. 2, the inflation/deflation device 4 comprises an arc-shaped upper shell plate, a semi-circular sealing end 42 and an elastic membrane 43. The two ends of the arc-shaped upper shell 41 are respectively sealed by a semicircular sealing end 42, and the opening at the lower end formed by the arc-shaped upper shell 41 and the semicircular sealing end 42 is covered by an elastic film 43 completely surrounding the lower surface of the arc-shaped upper shell 41. At this time, the arc-shaped upper shell 41, the semicircular sealing end 42 and the elastic film 43 enclose a sealed cavity with variable volume, and during inflation and deflation, the elastic film 43 expands and contracts to change the volume of the whole body; a communicating inner pipe 44 is arranged at the center of the upper surface of the arc-shaped upper shell 41, the communicating inner pipe 44 is inserted and connected with the lower end of the connecting pipe 2, when the inflation and deflation device 4 is connected with the connecting pipe 2, the inflation and deflation device 4 is inserted from the main pipe 11 of the T-shaped tee joint 1, and the communicating inner pipe 44 is inserted and connected with the connecting pipe 2 in a butt joint mode.

In this embodiment, a connector pipe 5 which is in threaded fit with the connecting pipe 2 is arranged at the lower end of the micro inflator 3.

In this embodiment, the outer wall of the connection pipe 2 and the inner wall of the branch pipe 12 are respectively provided with an external thread and an internal thread which are in threaded fit with each other. In addition, the connection pipe 2 and the branch pipe 12 may be detachably connected by a snap connection or an insertion connection.

Referring to fig. 2-3, an electric heating plate 6 is fixed on the inner wall of the arc-shaped upper shell 41, the arc-shaped upper shell 41 is made of a metal material with good thermal conductivity, and the electric heating plate is electrified to heat, so that the temperature of water flow around the device is increased, water is prevented from freezing, and the ice expansion phenomenon can be further prevented. The upper end of the connecting pipe 2 in this embodiment is higher than the branch pipe 12, a through hole 7 is arranged outside the connecting pipe 2, and the wiring 8 of the electric heating plate 6 passes through the through hole 7 and is externally connected with a power supply.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. An anti-icing-swelling device for a water supply pipeline comprises a T-shaped tee joint, wherein the T-shaped tee joint comprises a main pipeline and branch pipelines, wherein the main pipeline is provided with internal threads at two ends of the main pipeline, and the branch pipelines are perpendicular to and communicated with the main pipeline; the device is characterized by also comprising a connecting pipe, wherein the connecting pipe is detachably connected with the branch pipeline, the upper end of the connecting pipe is communicated with a miniature inflator pump, and the lower end of the connecting pipe is communicated with a long inflation and deflation device which can be inflated and expanded; the length of the air charging and discharging device is at least three times of the length of the main pipeline, and the width of the air charging and discharging device is not higher than one third of the diameter of the main pipeline.

2. The anti-icing device for the water supply pipeline according to claim 1, wherein: the inflation and deflation device comprises an arc-shaped upper shell plate, semicircular sealing ends connected to two ends of the arc-shaped upper shell plate and an elastic film which completely covers and surrounds the lower surface of the arc-shaped upper shell plate, the arc-shaped upper shell, the semicircular sealing ends and the elastic film surround a sealed cavity with variable volume, and a communicating inner tube which is connected with the lower end of the connecting tube in an inserting and closing manner is arranged in the center of the upper surface of the arc-shaped upper shell.

3. The anti-icing device for the water supply pipeline according to claim 1, wherein: the lower end of the miniature inflator pump is provided with a joint pipe which is in threaded fit with the connecting pipe.

4. The anti-icing device for the water supply pipeline according to claim 1, wherein: and the outer wall of the connecting pipe and the inner wall of the branch pipeline are respectively provided with an external thread and an internal thread which are in threaded fit with each other.

5. The anti-icing device for the water supply pipeline according to claim 2, wherein: an electric heating plate is fixed on the inner wall of the arc-shaped upper shell, the upper end of the connecting pipe is higher than the branch pipeline, a through hole is formed in the outer side of the connecting pipe, and a wiring of the electric heating plate penetrates through the through hole to be externally connected with a power supply; the arc-shaped upper shell is made of metal material with better heat conductivity.