Emptying valve structure of anti-freezing pipeline

By designing a drain valve structure for the antifreeze pipeline, the water temperature is monitored in real time and the water flow is automatically drained. A heating wire is used to prevent ice blockage, which solves the problems of pipeline cracking due to ice expansion and water corrosion in low-temperature environments, thus achieving pipeline safety and durability.

CN223677588UActive Publication Date: 2025-12-16SHANGHAI SANSHENG METAL PROD
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Patent Information

Application Number
CN202520350911.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2025-12-16
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

In existing technologies, pipelines are prone to cracking or damage due to the expansion of water freezing in low-temperature environments. Furthermore, pipelines that are not used for a long time are prone to water accumulation, corrosion, and bacterial growth, and there is a lack of effective antifreeze and drainage measures.

Method used

A drain valve structure for an antifreeze pipeline was designed, including an inlet pipe, a drain pipe, a connecting pipe, an electromagnetic control valve, a striker, a probe, and a temperature sensor. The valve is automatically controlled by real-time monitoring of the water temperature to drain the water flow in a timely manner and to prevent ice blockage by using a heating wire. Metal materials and insulation measures are used to improve thermal conductivity.

Benefits of technology

It effectively prevents pipes from becoming clogged and cracked due to ice, reduces corrosion and bacterial growth, extends the service life of pipes, and ensures pipe safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of pipeline anti-freezing, and particularly discloses an emptying valve structure of an anti-freezing pipeline. The water flow conveying pipeline is provided with an emptying structure, one end of the water inlet pipe is connected to the water flow conveying pipeline, one end of the water drainage pipe is connected to the water flow conveying pipeline, one end of the connecting pipe is connected to the water flow conveying pipeline, and the interiors of the water inlet pipe, the water drainage pipe and the connecting pipe are all of hollow structures; the water inlet pipe, the drainage pipe and the connecting pipe communicate with the water flow conveying pipeline; the water inlet pipe is sleeved with the electromagnetic control valve A, the water outlet pipe is sleeved with the electromagnetic control valve B, one end of the firing pin is embedded in the connecting pipe, the probe is embedded in the firing pin, one end of the probe is connected to the temperature sensor, the water temperature in the water flow conveying pipeline is monitored in real time through the probe, and once the water temperature is reduced to a threshold value, the electromagnetic control valve A is automatically closed; and the electromagnetic control valve B is continuously opened, and water remaining in the water flow conveying pipeline is drained.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline antifreezing technical field, concretely is a kind of emptying valve structure of antifreezing pipeline. BACKGROUND

[0002] The main role of pipeline emptying in winter is to prevent the water in the pipeline from freezing and expanding, which can cause the pipeline to rupture or be damaged. When the temperature drops below freezing point, the water remaining in the pipeline will freeze and expand in volume, exerting a huge pressure on the pipeline wall, which may cause rupture. By emptying the pipeline, this situation can be effectively avoided, protecting the pipeline system from damage, especially in long-term unattended or exposed to low-temperature environment. In addition, emptying can also reduce corrosion and bacterial growth caused by water accumulation in the pipeline, prolonging the service life of the pipeline. Therefore, emptying the pipeline in winter is an important measure to maintain the safety of the pipeline. SUMMARY

[0003] The utility model aims at providing a kind of emptying valve structure of antifreezing pipeline to solve the above problems.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: an emptying valve structure of antifreezing pipeline, characterized by: comprising;

[0005] Water flow conveying pipeline, water flow conveying pipeline has emptying structure on it, emptying structure includes inlet pipe, drain pipe, connecting pipe, electromagnetic control valve A, electromagnetic control valve B, striker, probe, temperature sensor;

[0006] One end of inlet pipe is connected to water flow conveying pipeline, one end of drain pipe is connected to water flow conveying pipeline, one end of connecting pipe is connected to water flow conveying pipeline, the inside of inlet pipe, drain pipe and connecting pipe is hollow structure, inlet pipe, drain pipe and connecting pipe are communicated with water flow conveying pipeline;

[0007] Electromagnetic control valve A is sleeved on the outside of inlet pipe, electromagnetic control valve B is sleeved on the outside of drain pipe, one end of striker is embedded in the inside of connecting pipe, probe is embedded on striker, one end of probe is connected to temperature sensor.

[0008] Preferably, the inside of connecting pipe has baffle A and baffle B, and there is a gap between baffle A and baffle B, one end of the striker is in abutment with baffle A, the outside of the striker is in abutment with baffle B, the inside of the striker is fixedly connected with the striker, and one end of the striker is sharp. When ice blocks appear at the connection between the connecting pipe and the water flow conveying pipeline, the striker is quickly extruded to hit the ice blocks, preventing blockage.

[0009] Preferably, the outer side of the striker is sleeved with a sealing ring, one end of the sealing ring is integrally provided with a sealing ring, the sealing ring is attached to the outer wall of the partition A, and the internal water flow of the water flow conveying pipeline will impact the sealing ring in a continuous flow state, so that the sealing ring is tightly adsorbed on the outer wall of the partition A, and the sealing effect is achieved.

[0010] Preferably, the outer side of the water flow conveying pipeline is sleeved with a heating wire, the heating wire is attached to the outer wall of the water flow conveying pipeline, the water flow conveying pipeline, the water inlet pipe, the drain pipe and the connecting pipe are all made of metal material, the metal material has better heat conductivity, and heat will be transferred to each position when the heating wire is heated.

[0011] Preferably, the heating wire is flat, the flat heating wire can be attached to a wider area of the water flow conveying pipeline, the heating speed is improved, and the internal ice of the water flow conveying pipeline is avoided.

[0012] Preferably, the outer side of the heating wire is sleeved with a heat preservation pipe, the heat preservation pipe can be used for heat preservation of the heating wire, and the internal water flow of the water flow conveying pipeline can be heat preserved when the heating wire is not used, so that the speed of external temperature influence is reduced.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The probe is used for real-time monitoring of the water temperature in the water flow conveying pipeline, the electromagnetic control valve A is automatically closed once the water temperature is reduced to the threshold value, the electromagnetic control valve B is continuously opened, and the residual water in the water flow conveying pipeline is drained;

[0015] 2. If the connection between the water flow conveying pipeline and the connecting pipe is blocked due to ice, one end of the striker is sharp, the striker is quickly extruded to make the striker hit the ice block, and the blockage is prevented;

[0016] 3. The probe and the temperature sensor are used for real-time monitoring of the temperature in the water flow conveying pipeline, the heating wire is started to heat the water flow conveying pipeline when the temperature is reduced to below zero, the water flow conveying pipeline, the water inlet pipe, the drain pipe and the connecting pipe are all made of metal material, the metal material has better heat conductivity, heat will be transferred to each position when the heating wire is heated, and the ice block in the water flow conveying pipeline is melted. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model;

[0018] Fig. 2 It is a local structure section schematic diagram of the utility model;

[0019] Fig. 3 It is an explosion structure schematic diagram of the utility model.

[0020] In the figure: 100, water flow conveying pipeline; 101, water inlet pipe; 102, drain pipe; 103, connecting pipe; 104, partition A; 105, partition B; 200, heating wire; 201, heat preservation pipe; 300, electromagnetic control valve A; 301, electromagnetic control valve B; 400, striker; 401, probe; 402, temperature sensor; 403, sealing ring; 404, sealing ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative efforts fall within the protection scope of the utility model.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "vertical", "upper", "lower", "horizontal" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0023] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Please refer to Figs. 1-3 The utility model provides a technical scheme: a kind of emptying valve structure of anti-freezing pipeline, comprising;

[0025] Water flow conveying pipeline 100, water flow conveying pipeline 100 has emptying structure on it, and emptying structure includes water inlet pipe 101, drain pipe 102, connecting pipe 103, electromagnetic control valve A 300, electromagnetic control valve B 301, striker 400, probe 401, temperature sensor 402;

[0026] One end of the water inlet pipe 101 is connected to the water flow conveying pipe 100, one end of the drain pipe 102 is connected to the water flow conveying pipe 100, one end of the connecting pipe 103 is connected to the water flow conveying pipe 100, the interiors of the water inlet pipe 101, the drain pipe 102 and the connecting pipe 103 are hollow structures, and the water inlet pipe 101, the drain pipe 102 and the connecting pipe 103 are in communication with the water flow conveying pipe 100;

[0027] The electromagnetic control valve A300 is sleeved on the outside of the water inlet pipe 101, the electromagnetic control valve B301 is sleeved on the outside of the drain pipe 102, one end of the striker 400 is embedded in the interior of the connecting pipe 103, the probe 401 is embedded on the striker 400, and one end of the probe 401 is connected to the temperature sensor 402.

[0028] Further, the interior of the connecting pipe 103 has the partition plate A104 and the partition plate B105, and there is a spacing between the partition plate A104 and the partition plate B105, and there are 302 and 303 between the partition plate A104 and the partition plate B105, one end of 302 abuts against the partition plate A104, the outside of 303 abuts against the partition plate B105, the inside of 303 is fixedly connected with the striker 400, and one end of the striker 400 is sharp, when ice blocks appear at the connection between the connecting pipe 103 and the water flow conveying pipe 100, the striker 400 is quickly extruded to make the striker 400 hit the ice blocks, thereby preventing blockage.

[0029] Further, the outside of the striker 400 is sleeved with the sealing ring 403, one end of the sealing ring 403 has the sealing ring 404 fixedly integrated, the sealing ring 404 is attached to the outer wall of the partition plate A104, and the water flow in the interior of the water flow conveying pipe 100 will impact the sealing ring 404 in a continuous flowing state, so that the sealing ring 404 is tightly adsorbed on the outer wall of the partition plate A104, thereby achieving a sealing effect.

[0030] Further, the outside of the water flow conveying pipe 100 is sleeved with the heating wire 200, the heating wire 200 is attached to the outer wall of the water flow conveying pipe 100, the water flow conveying pipe 100, the water inlet pipe 101, the drain pipe 102 and the connecting pipe 103 are all metal materials, the metal materials have better heat conductivity, and heat will be transferred to each position when the heating wire 200 is heated.

[0031] Further, the heating wire 200 is flat, the flat heating wire 200 makes the attachment area with the water flow conveying pipe 100 more extensive, the heating speed is improved, and the interior of the water flow conveying pipe 100 is prevented from icing.

[0032] Further, the outer side of the heating wire 200 is sleeved with the heat preservation pipe 201, the heating wire 200 can be heat preserved through the outer heat preservation pipe 201, and the water flow in the water flow conveying pipe 100 can be heat preserved when the heating wire 200 is not used, so that the speed of external temperature influence is reduced.

[0033] Working principle: the probe 401 is used for monitoring the water temperature in the water flow conveying pipe 100 in real time, once the water temperature is reduced to a threshold value, the electromagnetic control valve A 300 is automatically closed, the electromagnetic control valve B 301 is continuously opened, the residual water in the water flow conveying pipe 100 is drained, if the connection between the water flow conveying pipe 100 and the connecting pipe 103 is blocked due to ice, one end of the striker 400 is sharp, the striker 400 is rapidly extruded to make the striker 400 hit the ice, so that the blockage is prevented, the probe 401 and the temperature sensor 402 are used for monitoring the temperature in the water flow conveying pipe 100 in real time, when the temperature is reduced to below zero, the heating wire 200 is started to heat the water flow conveying pipe 100, and the water flow conveying pipe 100, the water inlet pipe 101, the drain pipe 102 and the connecting pipe 103 are all made of metal, the metal has better heat conductivity, when the heating wire 200 is heated, heat is transmitted to each position, so that the ice in the water flow conveying pipe 100 is melted.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A freeze-proof pipe evacuation valve structure, characterized by: Include; Water flow conveying pipeline (100), the water flow conveying pipeline (100) has emptying structure on it, the emptying structure includes inlet pipe (101), drain pipe (102), connecting pipe (103), electromagnetic control valve A (300), electromagnetic control valve B (301), striker (400), probe (401), temperature sensor (402); One end of the inlet pipe (101) is connected to the water flow conveying pipeline (100), one end of the drain pipe (102) is connected to the water flow conveying pipeline (100), one end of the connecting pipe (103) is connected to the water flow conveying pipeline (100), the inside of the inlet pipe (101), the drain pipe (102) and the connecting pipe (103) is hollow structure, the inlet pipe (101), the drain pipe (102) and the connecting pipe (103) are communicated with the water flow conveying pipeline (100); The electromagnetic control valve A (300) is sleeved on the outside of the inlet pipe (101), the electromagnetic control valve B (301) is sleeved on the outside of the drain pipe (102), one end of the striker (400) is embedded in the inside of the connecting pipe (103), the probe (401) is embedded on the striker (400), one end of the probe (401) is connected to the temperature sensor (402).

2. The drain valve structure for a freeze-proof pipe according to claim 1, characterized by: The inside of the connecting pipe (103) has the partition A (104) and the partition B (105), and the partition A (104) and the partition B (105) have a spacing, the partition A (104) and the partition B (105) have (302) and (303), one end of (302) abuts against the partition A (104), the outside of (303) abuts against the partition B (105), the inside of (303) is fixedly connected with the striker (400), one end of the striker (400) is sharp.

3. The drain valve structure for a freeze-proof pipe according to claim 1, wherein: The outside of the striker (400) is sleeved with the sealing ring (403), one end of the sealing ring (403) has the sealing ring (404) fixed integrally, the sealing ring (404) is attached to the outer wall of the partition A (104).

4. The drain valve structure for a freeze-proof pipe according to claim 1, wherein: The outside of the water flow conveying pipeline (100) is sleeved with the heating wire (200), the heating wire (200) is attached to the outer wall of the water flow conveying pipeline (100), and the water flow conveying pipeline (100), the inlet pipe (101), the drain pipe (102) and the connecting pipe (103) are metal materials.

5. The drain valve structure for a freeze-proof pipe according to claim 4, wherein: The heating wire (200) is flat.

6. The drain valve structure for a freeze-proof pipe according to claim 4, wherein: The outside of the heating wire (200) is sleeved with the heat preservation pipe (201).