Heating and ventilation control valve with filtering structure

Abstract

The heating and ventilation control valve with the filtering structure comprises a water inlet control valve, a three-way filtering shell, a water outlet control valve, a flushing valve and a columnar filtering net, the three-way filtering shell is installed at one end of the water inlet control valve in a threaded mode, and the water outlet control valve is connected to one end of the three-way filtering shell in a threaded mode. A flushing valve is installed on the outer surface of the water outlet control valve in a penetrating mode, and a filter screen clamping ring is fixedly installed at one end of the columnar filter screen. According to the heating and ventilation control valve with the filtering structure, after the heating and ventilation control valve with the filtering structure is used for a period of time, a part of impurities in heating water can be deposited in the columnar filter screen, and at the moment, tap water can pass through the columnar filter screen and drive blades to rotate only by closing the water inlet control valve and the water outlet control valve and opening the flushing valve and the blow-down valve; the sheet-shaped brush cleans the columnar filter screen, and water is discharged into a sewer through the soft leather hose.

Description

Technical Field

[0001] The utility model relates to the technical field of HVAC, in particular to a HVAC control valve with a filtering structure. Background Art

[0002] With the advancement of the times and technology, people's heating methods are no longer single. Instead of using charcoal fire for heating as before, they have begun to use centralized heating. HVAC equipment is widely used in industrial and civil buildings, providing heating for buildings, increasing indoor temperature, keeping the indoor temperature at a suitable level, and making people feel warm and comfortable. However, when indoor heating is used, the water in the heating pipes will carry more impurities. When the heating water enters the community, the water flow rate will slow down, and the impurities in the water will settle, eventually causing HVAC blockage and affecting heating.

[0003] Existing water heating entering the house generally installs a filtering structure at the entrance to prevent the heating equipment from being blocked. It is generally fixed to the heating pipe by a nut and needs to be disassembled and cleaned at regular intervals, which is inconvenient to clean. The filter may also be deformed during installation and disassembly, resulting in poor filtering effect. If it is not cleaned for a long time, impurities in the water will accumulate in the filter, which will seriously affect the flow of heating water, reduce the heat exchange of heating components, and seriously affect the quality of heating. Utility Model Content

[0004] The utility model aims to provide a HVAC control valve with a filtering structure to solve the problem in the background technology that the HVAC filter is inconvenient to clean.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a HVAC control valve with a filtering structure, comprising an inlet control valve, a three-pass filter housing, an outlet control valve, a flushing valve and a columnar filter, wherein one end of the inlet control valve is threadedly mounted with a three-pass filter housing, and one end of the three-pass filter housing is threadedly connected with a water outlet control valve, a flushing valve is installed through the outer surface of the water outlet control valve, a columnar filter is arranged inside the three-pass filter housing, and a filter rotating handle is fixedly mounted on one end of the columnar filter, a filter buckle ring is fixedly mounted on one end of the columnar filter, and the filter A paddle is rotatably mounted on the outer surface of the snap ring, and a block-shaped protrusion is provided on the side surface of the filter snap ring, the outer surface of the paddle passes through the filter rotating handle, a sheet brush is fixedly mounted on the outer surface of the paddle, a transverse support rod is connected between the filter rotating handle and the filter snap ring, a sewage inspection port is provided on the outer surface of the three-pass filter housing, and a sewage cover is threadedly mounted on the lower end of the sewage inspection port, a sewage valve is penetrated and installed on the outer surface of the sewage cover, and a copper mouth is penetrated and installed on the outer surface of the sewage valve, the outer surface of the copper mouth is evenly provided with wedge-shaped protrusions, and the side surface of the copper mouth fits with the inner surface of the soft leather tube.

[0006] Preferably, the water inlet control valve is threadedly connected to the three-pass filter housing, and the water inlet control valve is installed at one end of the three-pass filter housing away from the columnar filter screen.

[0007] By adopting the above technical solution, the water circuit can be shut off by the water inlet control valve, which is convenient for subsequent backwashing.

[0008] Preferably, the water outlet control valve is threadedly mounted on one end of the three-pass filter housing close to the filter screen rotating handle, and the flushing valve is provided between the columnar filter screen and the water outlet control valve.

[0009] By adopting the above technical solution, when HVAC water passes through the three-pass filter housing, the columnar filter can filter the passing water.

[0010] Preferably, the columnar filter screen is supported by a filter screen snap ring and a transverse support rod, and the filter screen snap ring is fixedly mounted on an end of the columnar filter screen away from the water outlet control valve.

[0011] By adopting the above technical solution, the transverse support rod can support the columnar filter screen to prevent the columnar filter screen from deformation.

[0012] Preferably, the filter screen rotating handle is rotatably connected to the paddle, and the paddle is rotatably connected to the filter screen snap ring, and the paddle is concentrically designed with the three-pass filter housing.

[0013] By adopting the above technical solution, when the paddle rotates, the paddle can drive the sheet-like brush to rotate, and the columnar filter screen is scrubbed by the rotation of the sheet-like brush to prevent scale from clogging the columnar filter screen.

[0014] Preferably, the mesh buckle ring is snap-fitted to the three-pass filter housing, and two grooves are provided on the inner surface of the three-pass filter housing.

[0015] By adopting the above technical solution, the net card buckle ring can be inserted into the three-pass filter housing, and the three-pass filter housing can be rotated to clamp the three-pass filter housing into the three-pass filter housing to prevent the columnar filter from moving.

[0016] Preferably, the sewage inspection port is threadedly connected to the sewage cover, and the sewage cover is threadedly connected to the sewage valve.

[0017] By adopting the above technical solution, the drain cover can be easily removed to remove the large scale that cannot be removed by the drain valve.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the HVAC control valve with a filtering structure:

[0019] 1. After a period of use, some impurities in the heating water will accumulate inside the columnar filter. At this time, you only need to close the water inlet control valve and the water outlet control valve, and open the flushing valve and the sewage valve. The tap water will pass through the columnar filter, and at the same time drive the blades to rotate, so that the sheet brush cleans the columnar filter and discharges it into the sewer through the soft hose, which is convenient for cleaning the columnar filter;

[0020] 2. When the water inlet control valve and the water outlet control valve are opened, the heating water will be filtered through the columnar filter, and the water flow will impulse the paddles, causing the paddles to drive the sheet brushes to rotate and continuously scrub the columnar filter to prevent impurities in the water from adhering to the columnar filter and clogging the columnar filter, affecting the flow of heating water and causing a decrease in the heat conversion of heating;

[0021] 3. When a large amount of impurities accumulate inside the three-pass filter housing after being used for a long time, and the drain valve cannot remove them when discharging sewage, causing blockage, the drain cover can be opened, and then the flushing valve can be opened to flush out large impurities from the sewage inspection port, preventing the drain valve from being blocked and expanding the diameter of the sewage port. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the cross-sectional structure of the three-pass filter housing of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the position relationship between the filter screen buckle ring and the blade of the utility model;

[0025] Figure 4 It is a side view structural diagram of the three-pass filter housing and the columnar filter screen of the utility model;

[0026] Figure 5 For this utility model Figure 1 Schematic diagram of the cross-section structure at point A in the middle;

[0027] Figure 6 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at point B in the middle.

[0028] In the figure: 1. Water inlet control valve; 2. Three-pass filter housing; 3. Water outlet control valve; 4. Flushing valve; 5. Columnar filter screen; 6. Filter screen rotating handle; 7. Sheet brush; 8. Filter screen snap ring; 9. Horizontal support rod; 10. Paddle; 11. Sewage inspection port; 12. Sewage cover; 13. Sewage valve; 14. Copper nozzle; 15. Soft leather hose. DETAILED DESCRIPTION

[0029] 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.

[0030] See also Figure 1-6 The utility model provides a technical solution: a HVAC control valve with a filtering structure, including a water inlet control valve 1, a three-pass filter housing 2, a water outlet control valve 3, a flushing valve 4, a columnar filter 5, a filter rotating handle 6, a sheet brush 7, a filter snap ring 8, a transverse support rod 9, a paddle 10, a sewage inspection port 11, a sewage cover 12, a sewage valve 13, a copper nozzle 14 and a soft leather hose 15, one end of the water inlet control valve 1 is threadedly installed with a three-pass filter housing 2, and one end of the three-pass filter housing 2 is threadedly connected with an outlet Water control valve 3, a flushing valve 4 is installed through the outer surface of the water outlet control valve 3, the water inlet control valve 1 is threadedly connected to the three-pass filter housing 2, and the water inlet control valve 1 is installed at the end of the three-pass filter housing 2 away from the columnar filter 5, the water inlet control valve 1 is installed at the household end of the heating water pipe, and the water outlet control valve 3 is installed at one end of the three-pass filter housing 2, and the water outlet control valve 3 is connected to the input end of the indoor heating equipment, and the flushing valve 4 is connected to the indoor tap water to complete the installation of the HVAC control valve.

[0031] A columnar filter 5 is arranged inside the three-pass filter housing 2, and a filter rotating handle 6 is fixedly installed at one end of the columnar filter 5, the water outlet control valve 3 is threadedly installed at one end of the three-pass filter housing 2 close to the filter rotating handle 6, and the flushing valve 4 is opened between the columnar filter 5 and the water outlet control valve 3. When the water inlet control valve 1 and the water outlet control valve 3 are opened, the heating water will pass through the columnar filter 5, and the impurities inside the heating water will be filtered and intercepted in the columnar filter 5, thereby ensuring that the water entering the heating component is clean.

[0032] A filter snap ring 8 is fixedly installed at one end of the columnar filter screen 5, and a paddle 10 is rotatably installed on the outer surface of the filter snap ring 8, and a block-shaped protrusion is provided on the side surface of the filter snap ring 8. The columnar filter screen 5 is supported by the filter snap ring 8 and the transverse support rod 9, and the filter snap ring 8 is fixedly installed at one end of the columnar filter screen 5 away from the water outlet control valve 3. The filter snap ring 8 is snap-connected with the three-way filter shell 2, and two grooves are provided on the inner surface of the three-way filter shell 2. When the heating water flows through the columnar filter screen 5, the paddle 10 will rotate to drive the sheet brush 7 to brush the columnar filter screen 5 to prevent impurities in the water from accumulating on the columnar filter screen 5, causing the filter screen to be blocked and affecting the water flow, resulting in poor heating effect of the heating component.

[0033] The outer surface of the paddle 10 passes through the filter rotating handle 6, and a sheet brush 7 is fixedly installed on the outer surface of the paddle 10. A transverse support rod 9 is connected between the filter rotating handle 6 and the filter snap ring 8. The filter rotating handle 6 and the paddle 10 are rotatably connected, and the paddle 10 and the filter snap ring 8 are rotatably connected, and the paddle 10 and the three-pass filter housing 2 are concentrically designed, and the side wall of the columnar filter 5 is supported by the transverse support rod 9 to prevent the columnar filter 5 from being deformed when the columnar filter 5 is installed, disassembled and replaced. When the worn columnar filter 5 needs to be replaced, it is only necessary to grasp the filter rotating handle 6, insert the filter snap ring 8 into the three-pass filter housing 2 and rotate it, so that the columnar filter 5 can be fixed inside the three-pass filter housing 2 to prevent the columnar filter 5 from moving and causing gaps, which leads to poor filtering effect.

[0034] The outer surface of the three-pass filter housing 2 is provided with a sewage inspection port 11, and the lower end of the sewage inspection port 11 is threadedly installed with a sewage cover 12, the outer surface of the sewage cover 12 is penetrated with a sewage valve 13, and the outer surface of the sewage valve 13 is penetrated with a copper nozzle 14, the outer surface of the copper nozzle 14 is evenly provided with wedge-shaped protrusions, and the side surface of the copper nozzle 14 is in contact with the inner surface of the soft leather tube 15, the sewage inspection port 11 is threadedly connected with the sewage cover 12, and the sewage cover 12 is threadedly connected with the sewage valve 13. When cleaning the columnar filter 5, it is only necessary to close the water inlet control valve 1 and the water outlet control valve 3, and open the flushing valve 4 connected to the tap water. At this time, the sewage valve 13 is opened, and the tap water impulse paddle 10 drives the sheet brush 7 to rotate to brush the columnar filter 5. At the same time, impurities will follow the water flow into the sewage inspection port 11, and the impurities will be flushed out through the copper nozzle 14 and passed into the sewer along the soft leather tube 15. Large impurities can be flushed by opening the sewage cover 12, so that the impurities can be conveniently cleaned.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A HVAC control valve with a filtering structure, comprising a water inlet control valve (1), a three-pass filter housing (2), a water outlet control valve (3), a flushing valve (4) and a columnar filter (5), characterized in that: A three-pass filter housing (2) is threadedly mounted on one end of the water inlet control valve (1), and a water outlet control valve (3) is threadedly connected to one end of the three-pass filter housing (2). A flushing valve (4) is installed through the outer surface of the water outlet control valve (3). A columnar filter screen (5) is arranged inside the three-pass filter housing (2), and a filter screen rotating handle (6) is fixedly mounted on one end of the columnar filter screen (5). A filter screen buckle ring (8) is fixedly mounted on one end of the columnar filter screen (5), and a paddle (10) is rotatably mounted on the outer surface of the filter screen buckle ring (8), and a block-shaped protrusion is arranged on the side surface of the filter screen buckle ring (8). The outer surface of the paddle (10) A filter screen rotating handle (6) is passed through, a sheet-shaped brush (7) is fixedly installed on the outer surface of the paddle (10), a transverse support rod (9) is connected between the filter screen rotating handle (6) and the filter screen buckle ring (8), a sewage inspection port (11) is arranged on the outer surface of the three-pass filter housing (2), and a sewage cover (12) is threadedly installed at the lower end of the sewage inspection port (11), a sewage valve (13) is passed through the outer surface of the sewage cover (12), and a copper nozzle (14) is passed through the outer surface of the sewage valve (13), and the outer surface of the copper nozzle (14) is evenly provided with wedge-shaped protrusions, and the side surface of the copper nozzle (14) is in contact with the inner surface of the soft leather tube (15).

2. A HVAC control valve with a filtering structure according to claim 1, characterized in that: The water inlet control valve (1) is threadedly connected to the three-pass filter housing (2), and the water inlet control valve (1) is installed at one end of the three-pass filter housing (2) away from the columnar filter screen (5).

3. The HVAC control valve with a filtering structure according to claim 1, characterized in that: The water outlet control valve (3) is threadedly mounted on one end of the three-pass filter housing (2) close to the filter screen rotating handle (6), and the flushing valve (4) is arranged between the columnar filter screen (5) and the water outlet control valve (3).

4. The HVAC control valve with a filtering structure according to claim 1, characterized in that: The columnar filter screen (5) is supported by a filter screen buckle ring (8) and a transverse support rod (9), and the filter screen buckle ring (8) is fixedly mounted on an end of the columnar filter screen (5) away from the water outlet control valve (3).

5. The HVAC control valve with a filtering structure according to claim 1, characterized in that: The filter screen rotating handle (6) is rotatably connected to the paddle (10), and the paddle (10) is rotatably connected to the filter screen buckle ring (8), and the paddle (10) and the three-pass filter housing (2) are concentrically designed.

6. The HVAC control valve with a filtering structure according to claim 1, characterized in that: The filter screen buckle ring (8) is snap-fitted to the three-pass filter housing (2), and two grooves are provided on the inner surface of the three-pass filter housing (2).

7. The HVAC control valve with a filtering structure according to claim 1, characterized in that: The sewage inspection port (11) is threadedly connected to the sewage cover (12), and the sewage cover (12) is threadedly connected to the sewage valve (13).

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