Automatic drainage exhaust valve

The automatic drain and vent valve's timed drainage and heating mechanism solves the problem of water accumulation and freezing in low-temperature environments, ensuring the normal operation of the vent valve and preventing 'air blockage'.

CN223725608UActive Publication Date: 2025-12-26TONGLING TIANHAI FLUID CONTROL CO LTD
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Patent Information

Application Number
CN202423288367.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-26
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing exhaust valves are prone to accumulating water and freezing in low-temperature environments, affecting their performance and preventing gas from being discharged in a timely manner, thus causing an 'air blockage' problem.

Method used

An automatic drain and vent valve was designed, equipped with a controller, temperature sensor and heating mechanism. It prevents water from freezing by timed drainage and heating mechanism. It includes a small water pump, drain pipe, solenoid valve and heating wire to ensure that the water in the vent valve body is discharged in time and maintains normal operation.

Benefits of technology

It effectively prevents water from accumulating and freezing inside the exhaust valve body, ensuring the exhaust valve operates normally in low-temperature environments and avoiding the occurrence of 'air blockage'.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223725608U_ABST
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Abstract

The utility model is suitable for the technical field of exhaust valves, and provides an automatic drainage exhaust valve which comprises an exhaust valve body, and an air inlet is formed in the exhaust valve body. The exhaust valve body is fixedly sleeved with the shell, a cavity is formed in the shell, and a plurality of through holes are formed in the inner wall of the top of the cavity; the two water drain pipes are fixedly installed at the bottoms of the two sides of the exhaust valve body respectively, and the ends, close to each other, of the two water drain pipes extend into the air inlet; the drainage mechanism is assembled on the shell and is used for draining water; and the heating mechanism is arranged on the shell and is used for preventing freezing. According to the automatic drainage exhaust valve provided by the scheme, the problem that due to the fact that part of water is easily accumulated at the bottom of an existing exhaust valve, the use effect is affected due to freezing in a low-temperature environment is solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to exhaust valve technical field, especially, relate to an automatic water drainage exhaust valve. BACKGROUND

[0002] Exhaust valve, also known as air release valve or air release valve, its main function is to remove the gas in the pipeline or equipment, prevent the " air block " phenomenon caused by gas accumulation. In the pipeline system, the gas may be caused by air intake when the water pump starts, gas generated by water quality change or gas formed during system operation. Exhaust valve removes these gases in time to ensure smooth water flow in the pipeline, prevent the pipeline and equipment from being damaged due to gas accumulation.

[0003] At present, the exhaust valve existing in the market, such as double ball type air release valve, although it can effectively remove the gas in the pipeline to a certain extent, but there are still some deficiencies in the design, especially, the bottom of these exhaust valves is prone to accumulate some water, which is easy to freeze in low temperature environment, once frozen, the use effect of the exhaust valve will be seriously affected, which may cause the gas to be discharged in time, and further cause the " air block " problem, affect the normal operation of the pipeline system.

[0004] Therefore, it is necessary to provide an automatic water drainage exhaust valve to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model provides an automatic water drainage exhaust valve, which aims at solving the problem of the bottom of the existing exhaust valve being prone to accumulate some water, thereby affecting the use effect due to freezing in low temperature environment.

[0006] To solve the above problems, the utility model is realized in this way, an automatic water drainage exhaust valve, comprising: an exhaust valve body, a gas inlet is arranged at the bottom center of the exhaust valve body; a shell is fixedly arranged at the bottom of the exhaust valve body, two cavities are symmetrically arranged at the bottom of the shell about the gas inlet, a plurality of through holes are arranged on the top inner wall of the cavity and communicated with the inside of the shell; two water drainage pipes are fixedly installed at the bottom of the exhaust valve body on both sides respectively, and the ends of the two water drainage pipes close to each other are extended to the inside of the gas inlet; a water drainage mechanism is assembled on the shell for water drainage; a heating mechanism is installed on the shell for anti-freezing.

[0007] Preferably, the water drainage mechanism comprises: a small water pump is fixedly installed on the inner wall of the bottom of the shell, a discharge pipe is fixedly installed on the water drainage end of the small water pump, and one end of the discharge pipe is extended to the outside of the shell; a water suction pipe is fixedly installed on the water suction end of the small water pump, and one end of the water suction pipe is extended to the inside of the gas inlet.

[0008] Preferably, the heating mechanism comprises: a box body fixedly installed on one side of the shell, a plurality of exhaust holes are formed in one side of the box body, a fan is fixedly installed on the inner wall of the bottom of the box body, a through pipe is fixedly installed on the exhaust end of the fan, and a wind scooper is fixedly installed on one end of the through pipe; a suction pipe is fixedly installed on the air inlet end of the fan, one end of the suction pipe extends out of the box body and extends to the inside of the cavity from the bottom of the cavity; and a plurality of heating wires are arranged in the box body close to the wind scooper.

[0009] Preferably, a partition plate is fixedly sleeved on the through pipe, and the partition plate is fixedly connected with the inner wall of the box body.

[0010] Preferably, a mounting shell is fixedly installed on the top of the box body, and a controller is fixedly installed on the inner wall of the mounting shell.

[0011] Preferably, a temperature sensor is fixedly installed on one side of the shell, and a detection probe of the temperature sensor extends to the inside of the shell.

[0012] Preferably, two electromagnetic valves are arranged on the two drain pipes, and the two drain pipes are arranged in an inclined manner.

[0013] Compared with the related art, the automatic drain and exhaust valve has the following beneficial effects:

[0014] Compared with the prior art, the automatic drain and exhaust valve provided by the scheme can automatically control the opening of the drain mechanism and the electromagnetic valves on the two drain pipes under the setting of the controller. Under the setting of the controller, the drain mechanism will be started once, and the electromagnetic valves on the two drain pipes will also be opened once, so that the two drain pipes can drain the accumulated water at the bottom of the two sides of the exhaust valve body into the air inlet, and then the accumulated water in the air inlet will be further drained by the drain mechanism. This timing drainage mechanism can effectively prevent the accumulation and icing of water in the inside of the exhaust valve body. Under the use of the temperature sensor, the gas in the shell can be continuously detected. When the temperature in the shell is low, the controller will start the heating mechanism to continuously heat the gas in the shell, so that the shell can heat the part of the exhaust valve body where the water may be accumulated by using the heat of the gas. This heating mechanism can further prevent the icing of the bottom of the exhaust valve body, thereby ensuring that the use effect of the exhaust valve body is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a sectional view of the automatic drain and exhaust valve provided by the utility model;

[0016] Figure 2 is a schematic view of the external structure of the utility model;

[0017] Figure 3 As shown in part A of Figure 1 , an enlarged structural schematic view of part B shown in

[0018] Figure 4 As shown in part A of Figure 1 , an enlarged structural schematic view of part B shown in

[0019] Fig. 1, exhaust valve body; 2, air inlet; 3, shell; 4, cavity; 5, drain pipe; 6, small water pump; 7, discharge pipe; 8, water suction pipe; 9, box; 10, fan; 11, through pipe; 12, partition; 13, air suction pipe; 14, heating wire; 15, controller; 16, temperature sensor; 17, through hole. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the description and claims of this application as well as the above discussion of the related art are intended to be illustrative only and not intended to be limiting of the application; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising," "comprises" and "including," "includes" as used herein, are meant to be equivalent to the term "containing" or "contains," and thus should be interpreted as specifying the presence of stated features or components rather than precluding the presence or addition of further features or components; the terms "first," "second," and "third" and the like, as used herein do not denote any order, quantity, or importance, but rather are used to denote one object from another; the terms "inner," "outer," "left," "right," "front," "rear," "up," "down," "clockwise," "counter clockwise," "top," "bottom," "over," "under," and the like as used herein are used for description only and do not indicate or imply any

[0021] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. It is expressly understood that any of the herein described embodiments can be combined with any of the other embodiments.

[0022] The utility model embodiment provides a kind of automatic drain exhaust valve, as shown in Figures 1-4 , automatic drain exhaust valve includes: exhaust valve body 1, the bottom center of the exhaust valve body 1 is provided with air inlet 2;

[0023] A shell 3 is fixedly arranged at the bottom of the exhaust valve body 1, the bottom of the shell 3 is symmetrically provided with two cavities 4 with respect to the air inlet, a plurality of through holes 17 are formed in the top inner wall of the cavity 4 and communicate with the inside of the shell, two drain pipes 5 are respectively fixedly arranged at the bottom of the two sides of the exhaust valve body 1, and the two drain pipes 5 are extended to the inside of the air inlet 2 at the close end, a drainage mechanism is assembled on the shell 3 for draining water, and a heating mechanism is arranged on the shell 3 for preventing freezing.

[0024] In the embodiment, in use, the core component of the automatic water-draining exhaust valve is the exhaust valve body 1, the air inlet 2 arranged on the exhaust valve body 1 is specially used for receiving and discharging the gas in the pipeline system, so that the gas in the pipeline can be smoothly discharged, and the occurrence of the "air blockage" phenomenon is effectively prevented, and it is worth noting that the exhaust valve body 1 is a double-ball type air release valve in the prior art, and the specific structure and principle will not be described in detail here, the automatic water-draining exhaust valve is provided with a controller 15 for timing control of the opening of the drainage mechanism and the electromagnetic valves on the two drain pipes 5, under the setting of the controller 15, the drainage mechanism is started once in a time, and the electromagnetic valves on the two drain pipes 5 are also opened once in a time, so that the two drain pipes 5 can drain the water accumulated at the bottom of the two sides of the exhaust valve body 1 into the air inlet 2, then the water accumulated in the air inlet 2 is further discharged by the drainage mechanism, and after the discharge is completed, the controller 15 automatically closes the drainage mechanism and the electromagnetic valves on the two drain pipes 5, and starts again after a period of time, the timing drainage mechanism can effectively prevent the water from accumulating and freezing in the inside of the exhaust valve body 1, and in addition, the exhaust valve is also provided with a temperature sensor 16 and a heating mechanism, when the temperature sensor 16 detects that the temperature in the shell 3 is low, the controller 15 automatically starts the heating mechanism according to the setting, and after the heating mechanism is started, the gas in the shell 3 is continuously heated, so that the shell 3 can heat the parts with possible water accumulation in the exhaust valve body 1 by using the heat of the gas, and the heating mechanism can further prevent the bottom of the exhaust valve body 1 from freezing, so as to ensure that the use effect of the exhaust valve body 1 is not affected.

[0025] In the further preferred embodiment of the utility model, the drainage mechanism comprises: a small water pump 6 fixedly arranged on the inner wall of the bottom of the shell 3, a discharge pipe 7 is fixedly arranged on the drainage end of the small water pump 6, and one end of the discharge pipe 7 is extended to the outside of the shell 3; a water suction pipe 8 is fixedly arranged on the water suction end of the small water pump 6, and one end of the water suction pipe 8 is extended to the inside of the air inlet 2.

[0026] In the embodiment, the drainage mechanism is used for draining water, when draining water, the small water pump 6 will transport the water in the air inlet 2 to the discharge pipe 7 through the water suction pipe 8, and finally discharge from the discharge pipe 7, thereby effectively discharging the water accumulated at the bottom of the exhaust valve body 1 to the outside, so as to prevent the water from freezing in the inside of the exhaust valve body 1.

[0027] In further preferable embodiments of the utility model, the heating mechanism comprises: a box body 9 fixedly installed on one side of the shell 3, a plurality of exhaust holes are formed on one side of the box body 9, a fan 10 is fixedly installed on the inner wall of the bottom of the box body 9, a through pipe 11 is fixedly installed on the exhaust end of the fan 10, and a wind scooper is fixedly installed on one end of the through pipe 11.

[0028] In the embodiment, the heating mechanism is used for preventing freezing, when in use, the fan 10 and the heating wire 14 are started, the fan 10 will blow gas to the surface of the heating wire 14 through the through pipe 11 and the wind scooper, after the gas contacts the heating wire 14, the temperature of the gas will be increased, the gas with increased temperature will enter the shell 3 from the plurality of exhaust holes, then enter the cavity 4 from the plurality of through holes 17, then the gas is transmitted to the air suction pipe 13 by the cavity 4, then the air suction pipe 13 will deliver the gas to the through pipe 11 and the wind scooper again by the fan 10, so that the wind scooper blows the gas to the surface of the heating wire 14 again, in this way, the temperature in the shell 3 can be gradually increased until the set temperature is reached, then the fan 10 and the heating wire 14 will stop running, in this way, the gas in the shell 3 can heat the part where water may be accumulated in the exhaust valve body 1 by heat, and the bottom of the exhaust valve body 1 can be further prevented from freezing, so that the use effect of the exhaust valve body 1 is not affected.

[0029] In further preferable embodiments of the utility model, the through pipe 11 is fixedly sleeved with a partition plate 12, and the partition plate 12 is fixedly connected with the inner wall of the box body 9.

[0030] In the embodiment, the use of the partition plate 12 can support the through pipe 11 well, so that the through pipe 11 and the wind scooper can maintain good stability in use.

[0031] In further preferable embodiments of the utility model, a mounting shell is fixedly installed on the top of the box body 9, and a controller 15 is fixedly installed on the inner wall of the mounting shell.

[0032] In the embodiment, the use of the controller 15 can make the electrical equipment on the automatic water drainage exhaust valve run automatically according to the set requirements.

[0033] Further preferably, the temperature sensor 16 is fixedly installed on one side of the shell 3, and a detection probe of the temperature sensor 16 extends into the shell 3.

[0034] In the embodiment, the temperature sensor 16 is used to detect the temperature in the shell 3, and when the temperature in the shell 3 is low, the controller 15 automatically starts the heating mechanism to heat the gas in the shell 3, so that the shell 3 can heat the part where water may be accumulated in the exhaust valve body 1 by using the heat of the gas to prevent icing.

[0035] Further preferably, two electromagnetic valves are arranged on each of the two drain pipes 5, and the two drain pipes 5 are arranged obliquely.

[0036] In the embodiment, the opening of the multiple electromagnetic valves can make the two drain pipes 5 discharge the water accumulated at the bottom of the two sides of the exhaust valve body 1 into the air inlet 2, so that the water at the bottom of the exhaust valve body 1 can be effectively discharged by the drainage mechanism.

[0037] In summary, compared with the related art, the use of the controller 15 can make the automatic water drainage exhaust valve automatically control the opening of the drainage mechanism and the electromagnetic valves on the two drain pipes 5 under the set action, the drainage mechanism will be started once and the electromagnetic valves on the two drain pipes 5 will be opened once under the setting of the controller 15, so that the two drain pipes 5 can discharge the water accumulated at the bottom of the two sides of the exhaust valve body 1 into the air inlet 2, and then the water in the air inlet 2 will be further discharged by the drainage mechanism, which can effectively prevent the water from accumulating and icing in the exhaust valve body 1, and the use of the temperature sensor 16 can continuously detect the gas in the shell 3, and when the temperature in the shell 3 is low, the controller 15 will start the heating mechanism to continuously heat the gas in the shell 3, so that the shell 3 can heat the part where water may be accumulated in the exhaust valve body 1 by using the heat of the gas, which can further prevent the bottom of the exhaust valve body 1 from icing, thereby ensuring that the use effect of the exhaust valve body 1 is not affected.

[0038] In several embodiments provided in the present application, it should be understood that the disclosed device can be implemented in other ways.

[0039] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, not all the embodiments. Based on these examples, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above examples, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence, and these technical solutions also fall within the scope of the present application.

Claims

1. An automatic drain vent valve characterized by, The utility model relates to a kind of exhaust valve, including: exhaust valve body (1), the bottom center of the exhaust valve body (1) is provided with air inlet (2);Fixedly sleeved in the shell (3) of the bottom of the exhaust valve body (1), the bottom of the shell (3) is symmetrically provided with two cavities (4) about air inlet, a plurality of through holes (17) are opened in the top inner wall of the cavity (4) and are communicated with shell interior;Two drain pipes (5) are respectively fixedly installed in the bottom of the exhaust valve body (1) two sides, and the end of the two drain pipes (5) close to each other both extend to the inside of the air inlet (2);Drainage mechanism for draining is assembled on the shell (3);Heating mechanism for anti-freezing is installed on the shell (3). The drainage mechanism includes: small water pump (6) is fixedly installed on the inner wall of the bottom of the shell (3), the drainage end of the small water pump (6) is fixedly installed with discharge pipe (7), and one end of the discharge pipe (7) extends to the outside of the shell (3);Suction pipe (8) is fixedly installed on the water pumping end of the small water pump (6), and one end of the suction pipe (8) extends to the inside of the air inlet (2).

2. The automatic drain vent valve of claim 1, wherein, The heating mechanism includes: box (9) is fixedly installed on one side of the shell (3), a plurality of exhaust holes are formed in one side of the box (9), fan (10) is fixedly installed on the bottom inner wall of the box (9), through pipe (11) is fixedly installed on the exhaust end of the fan (10), one end of the through pipe (11) is fixedly installed with air diffuser cover, suction pipe (13) is fixedly installed on the air inlet end of the fan (10), one end of the suction pipe (13) extends to the inside of the cavity (4) from the bottom of the cavity of the box extending out of the box, a plurality of heating wires (14) are arranged in the box (9) close to the air diffuser cover.

3. The automatic drain vent valve of claim 1, wherein, The through pipe (11) is fixedly sleeved with partition (12), and the partition (12) is fixedly connected with the inner wall of the box (9).

4. The automatic drain vent valve of claim 3, wherein The top of the box (9) is fixedly installed with mounting shell, and the inner wall of the mounting shell is fixedly installed with controller (15).

5. The automatic drain vent valve of claim 3, wherein Temperature sensor (16) is fixedly installed on one side of the shell (3), and the detection probe of the temperature sensor (16) extends to the inside of the shell (3).

6. The automatic drain vent valve of claim 1, wherein, Two electromagnetic valves are arranged on the two drain pipes (5), and the two drain pipes (5) are inclined.

7. The automatic drain vent valve of claim 1, wherein ​