Liquid seal breather valve with good sealing effect

Abstract

The utility model relates to the field of liquid seal breather valves, and discloses a liquid seal breather valve with a good sealing effect, which comprises a base, a valve body is mounted at the top of the base, a sleeve is mounted in the valve body, a through pipe is connected to the center of the base, a positive pressure cavity is arranged between the sleeve and the valve body, and a negative pressure cavity is arranged between the sleeve and the valve body. A negative pressure cavity is formed between the sleeve and the through pipe, the negative pressure cavity and the positive pressure cavity are filled with sealing liquid, the two sides of the top of the valve body are connected with air pipes, the other ends of the air pipes are connected with a filter pipe, a filter element is installed in the filter pipe, and the other end of the filter pipe is connected with a cleaning assembly. According to the air purifier, air entering and exhausting can be filtered through the filter pipe and the filter element, impurities, dust and the like in the outside air are effectively removed, the exhausted air is filtered and purified, the cleaning assembly can clean dust accumulated on the surface of the filter element, and the dust and other impurities are prevented from blocking the filter element.

Description

Technical Field

[0001] The utility model relates to the field of liquid-sealed breathing valves, in particular to a liquid-sealed breathing valve with good sealing effect. Background Art

[0002] A breathing valve is a valve that not only ensures that the storage tank space is isolated from the atmosphere within a certain pressure range, but can also communicate with the atmosphere (breathe) when the pressure exceeds or falls below this range; its function is to prevent the storage tank from being damaged due to overpressure or vacuum, and at the same time reduce the evaporation loss of the stored liquid.

[0003] After searching, Chinese patent announcement number: CN218200152U discloses a detachable liquid-sealed breathing valve, including a mounting plate, a shell is fixed on the top of the mounting plate, a fixed tube is arranged in the inner cavity of the shell, the fixed tube runs through the shell and the mounting plate, a sleeve is arranged on the outer cover of the fixed tube and the sleeve is arranged in the inner cavity of the shell, a plurality of evenly distributed electric heating wires are fixedly installed on the outer wall of the fixed tube, and a temperature sensor is fixedly installed at the bottom of the inner cavity of the shell. The utility model can effectively avoid micro-pressure leakage through breathing pressure balance, and can detect the temperature of the liquid by using a temperature sensor. When the temperature is too low, the electric heating wire can be used to heat the liquid to avoid freezing of the liquid and ensure the fluidity of the liquid, thereby ensuring the use effect of the breathing valve.

[0004] In the above technical solution, although the sealing liquid can be heated, the incoming air cannot be filtered and the exhausted air cannot be purified. Impurities and dust in the outside air can easily pollute the inside of the storage tank, and the toxic substances contained in the exhausted gas can easily pollute the external environment. Therefore, a liquid-sealed breathing valve with good sealing effect is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a liquid-sealed breathing valve with good sealing effect, aiming to improve the problems in the prior art that the incoming air cannot be filtered and the exhausted air cannot be purified, the impurities and dust in the outside air can easily pollute the inside of the storage tank, and the toxic substances contained in the exhausted gas can easily pollute the external environment.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A liquid-sealed breathing valve with good sealing effect, comprising a base, a valve body is installed on the top of the base, a sleeve is installed inside the valve body, a through pipe is connected to the center of the base, the other end of the through pipe extends to the inside of the sleeve, a positive pressure chamber is set between the sleeve and the valve body, a negative pressure chamber is set between the sleeve and the through pipe, the negative pressure chamber and the positive pressure chamber are filled with sealing liquid, air pipes are connected to both sides of the top of the valve body, the other end of the air pipe is connected to a filter tube, a filter element is installed inside the filter tube, and the other end of the filter tube is connected to a cleaning component;

[0008] As a further description of the above technical solution:

[0009] The cleaning assembly comprises a cleaning cover, the interior of the cleaning cover is rotatably connected with a connecting rod, the other end of the connecting rod extends into the interior of the cleaning cover and is connected with a cleaning plate, the other side of the cleaning plate is connected with bristles, and the bottom of the bristles contacts the surface of the filter element;

[0010] As a further description of the above technical solution:

[0011] A connecting shaft is installed inside the cleaning cover, the connecting rod is rotatably connected inside the connecting shaft, and one end of the connecting rod located outside the cleaning cover is connected to a fan blade;

[0012] As a further description of the above technical solution:

[0013] A liquid level sensor is installed at the bottom end of the valve body, a temperature sensor is installed at the bottom of the valve body, and a plurality of groups of electric heating wires are installed on the top of the base located on the outer wall surface of the through pipe;

[0014] As a further description of the above technical solution:

[0015] A liquid storage tank is installed on the top of the valve body, one side of the liquid storage tank is connected to a connecting pipe, and the other end of the connecting pipe extends to the inside of the valve body and is connected to the positive pressure chamber;

[0016] As a further description of the above technical solution:

[0017] The top of the liquid storage tank is connected with a liquid inlet, and a solenoid valve is installed inside the connecting pipe;

[0018] As a further description of the above technical solution:

[0019] A control panel is installed on one side of the liquid storage tank, and the control panel is electrically connected to the liquid level sensor, the temperature sensor, the electric heating wire and the solenoid valve;

[0020] As a further description of the above technical solution:

[0021] A sealing ring is installed at the bottom of the base, a sealing gasket is installed on the surface of the through pipe located inside the base, and a plurality of groups of mounting holes are evenly distributed on the surface of the base located outside the valve body.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, by using the valve body, air pipe, sleeve, negative pressure chamber, positive pressure chamber and cleaning cover in coordination, the through pipe can be effectively sealed to achieve the balance of the internal pressure of the storage tank and prevent the storage tank from leaking.

[0024] 2. In the utility model, the incoming and outgoing air can be filtered through the filter tube and the filter element, and impurities and dust in the outside air can be effectively removed to prevent pollution inside the storage tank. The exhausted air can be filtered and purified to prevent harmful substances in the air inside the storage tank from polluting the external environment, thereby improving the environmental protection effect. The cleaning component can clean the dust accumulated on the surface of the filter element to prevent dust and other impurities from clogging the filter element, thereby improving the filtering and purification effects of the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional schematic diagram of a liquid-sealed breathing valve with good sealing effect proposed by the utility model;

[0026] Figure 2 This is a schematic diagram of the sleeve cross-sectional structure of a liquid-sealed breathing valve with good sealing effect proposed by the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of a cleaning component of a liquid-sealed breathing valve with good sealing effect proposed by the utility model;

[0028] Figure 4 The utility model provides a schematic diagram of the structure of a liquid storage tank of a liquid-sealed breathing valve with good sealing effect.

[0029] Legend:

[0030] 1. Base; 101. Sealing ring; 102. Mounting hole; 2. Valve body; 201. Liquid level sensor; 202. Temperature sensor; 203. Electric heating wire; 3. Air pipe; 301. Filter tube; 302. Filter element; 4. Liquid storage tank; 401. Liquid inlet; 402. Solenoid valve; 403. Connecting pipe; 404. Control panel; 5. Through pipe; 501. Sealing pad; 6. Sleeve; 601. Negative pressure chamber; 602. Positive pressure chamber; 7. Cleaning cover; 701. Fan blade; 702. Connecting rod; 703. Connecting shaft; 704. Cleaning plate; 705. Brush; 8. Sealing liquid. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-3 , the utility model provides an embodiment: a liquid-sealed breathing valve with good sealing effect, including a base 1, a valve body 2 is installed on the top of the base 1, a sleeve 6 is installed inside the valve body 2, a through pipe 5 is connected to the central part of the base 1, and the other end of the through pipe 5 extends to the inside of the sleeve 6, a positive pressure chamber 602 is set between the sleeve 6 and the valve body 2, a negative pressure chamber 601 is set between the sleeve 6 and the through pipe 5, and the negative pressure chamber 601 and the positive pressure chamber 602 are filled with sealing liquid 8, and air pipes 3 are connected to both sides of the top of the valve body 2. Through the valve body 2, the air pipe 3, the sleeve 6, the negative pressure chamber 601, the positive pressure chamber 602 and the cleaning cover 7, the through pipe 5 can be effectively sealed to achieve the balance of the internal pressure of the storage tank and prevent the storage tank from leaking; the other end of the air pipe 3 is connected to the filter tube 301, the filter element 302 is installed inside the filter tube 301, and the other end of the filter tube 301 is connected to the cleaning assembly, and the filter tube 301 and the filter element 3 02 can filter the incoming and outgoing air, effectively remove impurities and dust in the outside air, prevent pollution inside the storage tank, filter and purify the exhausted air, prevent harmful substances in the air inside the storage tank from polluting the external environment, and improve the environmental protection effect. The cleaning component can clean the dust accumulated on the surface of the filter element 302, prevent dust and other impurities from clogging the filter element 302, and improve the filtering and purification effect of the filter element 302; a liquid level sensor 201 is installed at the bottom end of the valve body 2, a temperature sensor 202 is installed at the bottom of the valve body 2, and multiple groups of electric heating wires 203 are installed on the top of the base 1 on the outer wall surface of the through pipe 5. The liquid level sensor 201 can detect the capacity of the cleaning cover 7 inside the valve body 2, the temperature sensor 202 can detect the temperature of the cleaning cover 7, and the electric heating wire 203 can perform a dummy on the cleaning cover 7 to prevent the cleaning cover 7 from freezing.

[0033] Reference Figure 3The cleaning assembly includes a cleaning cover 7, the interior of the cleaning cover 7 is rotatably connected to a connecting rod 702, the other end of the connecting rod 702 extends to the interior of the cleaning cover 7 and is connected to a cleaning plate 704, the other side of the cleaning plate 704 is connected to a brush 705, the bottom of the brush 705 is in contact with the surface of the filter element 302, a connecting shaft 703 is installed inside the cleaning cover 7, the connecting rod 702 is rotatably connected to the interior of the connecting shaft 703, and one end of the connecting rod 702 located on the outside of the cleaning cover 7 is connected to a fan blade 701; when the inside of the storage tank When the pressure changes, the air flow will enter or be discharged through the air pipe 3 and the filter tube 301. When the air flow flows, it will drive the fan blades 701 to rotate. After the fan blades 701 rotate, they will drive the connecting rod 702 and the cleaning plate 704 to rotate under the action of the connecting shaft 703, and the bristles 705 can clean the surface of the filter element 302, effectively remove the dust and other impurities accumulated on the surface of the filter element 302, avoid the situation where the air flow cannot pass through the filter element 302, and improve the filtering and purification effect of the filter element 302.

[0034] Reference Figure 4 A liquid storage tank 4 is installed on the top of the valve body 2, and a connecting pipe 403 is connected to one side of the liquid storage tank 4, and the other end of the connecting pipe 403 extends to the interior of the valve body 2 and is connected to the positive pressure chamber 602; a liquid inlet 401 is connected to the top of the liquid storage tank 4, and a solenoid valve 402 is installed inside the connecting pipe 403; a control panel 404 is installed on one side of the liquid storage tank 4, and the control panel 404 is electrically connected to the liquid level sensor 201, the temperature sensor 202, the electric heating wire 203 and the solenoid valve 402. When the liquid level sensor 201 detects that the capacity of the cleaning cover 7 becomes smaller, the control panel 404 opens the solenoid valve 402, and the sealing liquid 8 inside the liquid storage tank 4 can be transported to the interior of the valve body 2 through the connecting pipe 403, which can effectively avoid the situation where the cleaning cover 7 has a low capacity and causes a poor sealing effect, thereby improving the stability of the tank seal.

[0035] Reference Figure 2 A sealing ring 101 is installed at the bottom of the base 1, a sealing gasket 501 is installed on the surface of the through pipe 5 located inside the base 1, and a plurality of groups of mounting holes 102 are evenly distributed on the surface of the base 1 located outside the valve body 2; the sealing ring 101 can improve the sealing performance of the connection between the base 1 and the storage tank, and the sealing gasket 501 can improve the sealing performance of the connection between the through pipe 5 and the base 1, thereby improving the sealing performance of the entire device, and the plurality of groups of mounting holes 102 are convenient for the staff to connect and install the base 1 and the storage tank.

[0036] Working principle: When in use, first connect the base 1 to the storage tank, insert the bottom of the through pipe 5 into the interior of the storage tank, when the pressure inside the storage tank is too high, the gas inside the storage tank is discharged through the through pipe 5, the gas pushes the cleaning cover 7 inside the negative pressure chamber 601 down, and makes the cleaning cover 7 inside the positive pressure chamber 602 rise, the gas passes through the cleaning cover 7 and then is discharged through the air pipe 3 and the filter tube 301, when the internal pressure of the storage tank is negative, the storage tank conveys the external gas into the storage tank through the through pipe 5, at this time, the external air passes through the filter tube 301 and the air pipe 3 and then enters the positive pressure chamber 602. Inside the pressure chamber 602, the gas pushes the positive pressure chamber 602 down, while the cleaning cover 7 inside the negative pressure chamber 601 rises, and the gas passes through the cleaning cover 7 and enters the inside of the through pipe 5, so that the internal pressure of the storage tank remains balanced; the filter element 302 inside the filter tube 301 can filter and purify the incoming and outgoing gas. When the gas enters or is discharged, the airflow drives the fan blades 701, the connecting rod 702, the cleaning plate 704 and the bristles 705 to rotate, and the bristles 705 clean the surface of the filter element 302 to prevent dust from accumulating on the surface of the filter element 302.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A liquid-sealed breathing valve with good sealing effect, comprising a base (1), characterized in that: A valve body (2) is installed on the top of the base (1), a sleeve (6) is installed inside the valve body (2), a through pipe (5) is connected to the center of the base (1), the other end of the through pipe (5) extends to the inside of the sleeve (6), a positive pressure chamber (602) is arranged between the sleeve (6) and the valve body (2), a negative pressure chamber (601) is arranged between the sleeve (6) and the through pipe (5), the negative pressure chamber (601) and the positive pressure chamber (602) are filled with sealing liquid (8), air pipes (3) are connected to both sides of the top of the valve body (2), the other end of the air pipe (3) is connected to a filter tube (301), a filter element (302) is installed inside the filter tube (301), and the other end of the filter tube (301) is connected to a cleaning component.

2. A liquid-sealed breathing valve with good sealing effect according to claim 1, characterized in that: The cleaning assembly comprises a cleaning cover (7), the interior of the cleaning cover (7) is rotatably connected to a connecting rod (702), the other end of the connecting rod (702) extends to the interior of the cleaning cover (7) and is connected to a cleaning plate (704), the other side of the cleaning plate (704) is connected to bristles (705), and the bottom of the bristles (705) is in contact with the surface of the filter element (302).

3. A liquid-sealed breathing valve with good sealing effect according to claim 2, characterized in that: A connecting shaft (703) is installed inside the cleaning cover (7), and the connecting rod (702) is rotatably connected inside the connecting shaft (703). One end of the connecting rod (702) located outside the cleaning cover (7) is connected to a fan blade (701).

4. A liquid-sealed breathing valve with good sealing effect according to claim 1, characterized in that: A liquid level sensor (201) is installed at the bottom end of the valve body (2), a temperature sensor (202) is installed at the bottom of the valve body (2), and a plurality of groups of electric heating wires (203) are installed at the top of the base (1) on the outer wall surface of the through pipe (5).

5. A liquid-sealed breathing valve with good sealing effect according to claim 4, characterized in that: A liquid storage tank (4) is installed on the top of the valve body (2), one side of the liquid storage tank (4) is connected to a connecting pipe (403), and the other end of the connecting pipe (403) extends into the interior of the valve body (2) and is connected to the positive pressure chamber (602).

6. A liquid-sealed breathing valve with good sealing effect according to claim 5, characterized in that: The top of the liquid storage tank (4) is connected to a liquid inlet (401), and a solenoid valve (402) is installed inside the connecting pipe (403).

7. A liquid-sealed breathing valve with good sealing effect according to claim 6, characterized in that: A control panel (404) is installed on one side of the liquid storage tank (4), and the control panel (404) is electrically connected to the liquid level sensor (201), the temperature sensor (202), the electric heating wire (203) and the solenoid valve (402).

8. A liquid-sealed breathing valve with good sealing effect according to claim 1, characterized in that: A sealing ring (101) is installed at the bottom of the base (1), a sealing gasket (501) is installed on the surface of the through pipe (5) located inside the base (1), and a plurality of groups of mounting holes (102) are evenly distributed on the surface of the base (1) located outside the valve body (2).

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