A pre-filter structure with ultrasonic cleaning function

Abstract

The utility model discloses a kind of front filter structure with ultrasonic cleaning function, it is related to water treatment equipment technical field, and it includes: filter bottle;Valve head, fixedly arranged in filter bottle top, the both sides of valve head are equipped with import end and export end, import end and export end are all connected with joint;Filtering assembly, filtering assembly includes the skeleton fixedly arranged in filter bottle and the filter screen of being set and fixed in the skeleton outside;Skeleton side surface is equipped with multiple water holes along axis direction;Ball valve, installed in filter bottle bottom, ball valve is used to control the opening and closing of blow-off channel;Wherein, filter bottle inside and / or outside is equipped with ultrasonic generator, and ultrasonic generator is used to generate ultrasonic vibration to clean filter screen.The above-mentioned front filter structure with ultrasonic cleaning function, when cleaning, open ball valve to blow-off, ultrasonic generator generates ultrasonic vibration to make the impurity of filter screen surface separate, and the impurity of separation is discharged from ball valve with water flow, and cleaning is more thorough, and it is not easy to produce blockage.

Description

Technical Field

[0001] This utility model relates to the field of water treatment equipment technology, and in particular to a pre-filter structure with ultrasonic cleaning function. Background Technology

[0002] As people's requirements for water quality increase, pre-filters are widely used in household water supply systems to filter large particulate impurities in the water and protect downstream water-using equipment. Traditional pre-filters mainly rely on physical filtration through filter screens and discharge wastewater through water pressure flushing, which has problems such as incomplete cleaning, easy clogging, and short filter screen life.

[0003] Therefore, there are still shortcomings and deficiencies in the existing technology. How to provide a pre-filter structure with ultrasonic cleaning function that can improve the cleaning effect and reduce clogging is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] The purpose of this invention is to provide a pre-filter structure with ultrasonic cleaning function, which solves the technical problems of existing traditional pre-filters that mainly rely on filter screens for physical filtration and discharge sewage through water pressure rinsing, resulting in incomplete cleaning, easy clogging, and short filter screen life.

[0005] To achieve the above objectives, this utility model provides a pre-filter structure with ultrasonic cleaning function, comprising:

[0006] Filter flask;

[0007] A valve head is fixedly mounted on the top of the filter bottle. The valve head has an inlet end and an outlet end on both sides, and both the inlet end and the outlet end are connected to a connector.

[0008] A filter assembly, comprising a frame fixedly disposed inside the filter bottle and a filter screen sleeved and fixed outside the frame;

[0009] A ball valve is installed at the bottom of the filter bottle, and the ball valve is used to control the opening and closing of the sewage discharge channel;

[0010] The filter bottle is equipped with an ultrasonic generator inside and / or outside, which is used to generate ultrasonic vibrations to clean the filter screen.

[0011] Preferably, the ultrasonic generator located inside the filter bottle is a built-in structure, and the ultrasonic generator is fixedly located inside the frame.

[0012] Preferably, the ultrasonic generator located outside the filter bottle is an external ring structure, with the ultrasonic generator sleeved and fixed to the outside of the filter bottle.

[0013] Preferably, both the inlet end and the outlet end are threaded with nuts, and the connector is fixedly connected to the inlet end / outlet end through the nuts.

[0014] Preferably, the connector has a first annular step on its exterior, and the nut has a second annular step inside for abutting against the first annular step.

[0015] Preferably, a sealing gasket is provided between the connector and the inlet / outlet end.

[0016] Preferably, the filter bottle has an external thread on the top outer side, and the valve head has an internal thread that matches the external thread, and the valve head is threadedly connected to the filter bottle.

[0017] Preferably, the top of the filter bottle is provided with an annular groove, and a sealing ring is provided in the annular groove.

[0018] Preferably, the bottom of the filter bottle is provided with a sealing element, the sealing element is provided with a plurality of sealing rings, and the sealing element is provided with a water passage hole in the middle.

[0019] Preferably, the ball valve is threaded to the bottom of the seal.

[0020] Compared to the aforementioned background technology, the pre-filter structure with ultrasonic cleaning function provided by this utility model has an ultrasonic generator inside and / or outside the filter bottle. When cleaning, the ball valve is in the open state, and the ultrasonic generator is activated. The ultrasonic generator can generate ultrasonic vibration to remove impurities from the surface of the filter screen. Compared to rinsing with water alone, the dirt can be removed quickly, the filter screen is cleaned more thoroughly, and it is less likely to become clogged. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0022] Figure 1 This is a cross-sectional view of the pre-filter structure with ultrasonic cleaning function provided in an embodiment of the present invention.

[0023] Figure 2 for Figure 1 A magnified view of a section at point A in the middle;

[0024] Figure 3 This is a schematic diagram of the ultrasonic generator in the pre-filter structure with ultrasonic cleaning function provided in an embodiment of the present invention.

[0025] Figures 1 to 3 Chinese reference numerals: 1. Connector; 101. First annular step; 2. Nut; 201. Second annular step; 3. Valve head; 4. Ultrasonic generator; 401. Lead wire; 5. Filter bottle; 6. Seal; 7. Ball valve; 8. Lower cover; 9. Frame; 10. Filter screen. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] This utility model provides a pre-filter structure with ultrasonic cleaning function. The ultrasonic generator 4 can generate ultrasonic vibration to clean the filter screen 10, which is more thorough and less prone to clogging.

[0029] Please refer to this as well. Figures 1 to 3 The pre-filter structure with ultrasonic cleaning function provided by this utility model includes:

[0030] Filter bottle 5;

[0031] The valve head 3 is fixedly installed on the top of the filter bottle 5. The valve head 3 has an inlet end and an outlet end on both sides, and the inlet end and the outlet end are connected to the connector 1.

[0032] The filter assembly includes a frame 9 fixedly disposed inside the filter bottle 5 and a filter screen 10 sleeved and fixed outside the frame 9; the frame 9 has multiple water holes along the axial direction on its side.

[0033] Ball valve 7 is installed at the bottom of filter bottle 5. Ball valve 7 is used to control the opening and closing of the sewage discharge channel.

[0034] The filter bottle 5 is equipped with an ultrasonic generator 4 inside and / or outside, which is used to generate ultrasonic vibrations to clean the filter screen 10.

[0035] The inlet and outlet of valve head 3 are the inlet and outlet of the liquid to be filtered by the pre-filter, which can be water or other mixtures or other liquids that need to be filtered. In addition, both the inlet and outlet are connected to pipelines, such as water supply pipelines and water delivery pipelines, through connectors 1.

[0036] During filtration, ball valve 7 is closed, and water enters filter bottle 5 from the inlet end of valve head 3. After being filtered by filter screen 10, the water enters the interior of frame 9 through multiple water holes on the side of frame 9, and then flows out from the outlet end. During cleaning, ball valve 7 is opened to drain the wastewater, and ultrasonic generator 4 is activated. Ultrasonic generator 4 generates ultrasonic vibrations that cause impurities on the surface of filter screen 10 to detach. The detached impurities are discharged from ball valve 7 with the water flow.

[0037] With this configuration, the ultrasonic generator 4 can generate ultrasonic vibrations to clean the filter screen 10. Compared to rinsing with water alone, the filter screen 10 is cleaned more thoroughly and is less prone to clogging.

[0038] The ultrasonic generator 4 can be installed only inside the filter bottle 5, only outside the filter bottle 5, or both inside and outside the filter bottle 5 to ensure the cleaning effect.

[0039] In some embodiments, please refer to Figure 1 The ultrasonic generator 4 located inside the filter bottle 5 is a built-in structure, and the ultrasonic generator 4 is fixedly installed inside the frame 9.

[0040] When the ultrasonic generator 4 is installed inside the filter bottle 5, it has a built-in structure and is specifically fixed inside the frame 9. The ultrasonic generator 4 is equipped with a lead wire 401, which is electrically connected to the control board. During cleaning, the ultrasonic generator 4 is immersed in the water in the filter bottle 5. The vibration it generates during operation will directly radiate ultrasonic waves into the surrounding water. The ultrasonic waves propagate in the water and generate a strong acoustic stream, which impacts the surface of the filter screen 10, causing dirt to peel off.

[0041] In some embodiments, please refer to Figure 1 The ultrasonic generator 4, located outside the filter bottle 5, is an external ring structure. The ultrasonic generator is sleeved and fixed outside the filter bottle 5.

[0042] When the ultrasonic generator 4 is installed outside the filter bottle 5, the ultrasonic generator 4 is an external ring structure. The ultrasonic generator 4 is specifically fitted and fixed on the outer wall of the filter bottle 5. During cleaning, the high-frequency vibration generated by the ultrasonic generator 4 is first transmitted to the outer wall of the filter bottle 5, causing the bottle wall to vibrate. Then, the vibration is transmitted from the bottle wall to the water and filter screen 10 inside. This not only removes impurities from the filter screen 10, but also helps to shake off dirt adhering to the inner wall of the filter bottle 5.

[0043] Optionally, scale-inhibiting filter media is provided inside the skeleton 9 to prevent scale buildup.

[0044] In some embodiments, please refer to the following: Figures 1 to 2Both the inlet and outlet ends are threaded with nuts 2, and the connector 1 is fixedly connected to the inlet / outlet end through nuts 2.

[0045] Both the inlet and outlet ends are equipped with external threads. Nut 2 is connected to the inlet / outlet end through the external threads, and connector 1 is connected to the inlet / outlet end through nut 2. This not only ensures reliable connection but also facilitates subsequent maintenance and replacement.

[0046] In some embodiments, please refer to the following: Figures 1 to 2 The connector 1 has a first annular step 101 on its outside, and the nut 2 has a second annular step 201 inside for abutting against the first annular step 101.

[0047] The following explanation uses the connection between connector 1 and the inlet end as an example. When fixing connector 1 to the inlet end, first put nut 2 on the outside of connector 1, and then connect nut 2 to the inlet end through the external thread of the inlet end. Tighten nut 2 so that the first annular step 101 on the outside of connector 1 abuts against the second annular step 201 of nut 2, thereby pressing and fixing connector 1 to the interface end.

[0048] In some embodiments, please refer to the following: Figures 1 to 2 A sealing gasket is provided between connector 1 and the inlet / outlet end.

[0049] By setting a sealing gasket, after connector 1 is connected to the inlet / outlet end, a relative seal is formed between connector 1 and the inlet / outlet end, preventing liquid from flowing out from the gap between them, avoiding leakage, and ensuring the sealing effect.

[0050] In some embodiments, please refer to Figure 1 The filter bottle 5 has an external thread on the top outer side, and the valve head 3 has an internal thread that matches the external thread. The valve head 3 is threadedly connected to the filter bottle 5.

[0051] The filter bottle 5 is connected to the valve head 3 by the engagement of the external thread and the internal thread. The threaded connection not only ensures a reliable connection, but also makes the installation and disassembly of the filter bottle 5 and the valve head 3 simple and convenient for subsequent maintenance and replacement.

[0052] In some embodiments, please refer to Figure 1 The top of filter bottle 5 is provided with an annular groove, and a sealing ring is provided inside the annular groove.

[0053] The annular groove at the top of the filter bottle 5 is located above the external thread at the top of the filter bottle 5. After the filter bottle 5 is threadedly connected to the valve head 3, the sealing ring set in the annular groove makes the filter bottle 5 and the valve head 3 form a relative seal, preventing liquid from flowing out from the gap between the two, avoiding leakage, and ensuring the sealing effect.

[0054] In some embodiments, please refer to Figure 1The bottom of the filter bottle 5 is provided with a sealing element 6, and several sealing rings are provided on the outside of the sealing element 6. A water passage hole is provided in the middle of the sealing element 6.

[0055] The sealing element 6 is provided with several annular mounting grooves, and the sealing ring is placed in the above-mentioned annular mounting grooves. This arrangement makes the filter bottle 5 and the sealing element 6 form a relative seal, preventing liquid from flowing out from the gap between the two, avoiding leakage, and ensuring the sealing effect.

[0056] In this embodiment, there are two annular mounting grooves, that is, two sealing rings are provided outside the sealing element 6. In other embodiments, the number of sealing rings can be set according to actual needs, and there is no specific limitation.

[0057] Optionally, a three-proof block can be installed on the top of the seal 6. The three-proof block is made of soft elastic material (such as silicone or rubber) to prevent water hammer, bursting and freezing. It absorbs the instantaneous pressure generated by water hammer through deformation, avoiding damage to the internal structure of the pre-filter. The three-proof block further deforms under high pressure to buffer the internal pressure of the pre-filter and prevent the filter bottle 5, connector 1 and other components from bursting due to overpressure. The elastic space of the three-proof block can accommodate a certain volume of ice expansion, avoiding the rigid structure from directly bearing the expansion pressure and reducing the risk of freezing and cracking.

[0058] By incorporating three-proof blocks, it effectively addresses three common extreme conditions: water hammer, high-pressure explosion, and low-temperature freezing, significantly improving the safety and lifespan of the pre-filter. It is especially suitable for areas with complex water quality or fluctuating ambient temperatures.

[0059] In some embodiments, please refer to Figure 1 The ball valve 7 is threaded to the bottom of the seal 6.

[0060] Specifically, the ball valve 7 has an external thread, and the sealing element 6 has an internal thread that matches the external thread. During filtration, the ball valve 7 is in the closed state. During cleaning, the ball valve 7 is opened to drain the wastewater, and the ultrasonic generator 4 is activated. The ultrasonic generator 4 generates ultrasonic vibrations that cause impurities on the surface of the filter screen 10 to detach. The detached impurities are carried by the water flow from inside the filter bottle 5 through the water passage on the sealing element 6 into the ball valve 7, and finally discharged from the ball valve 7.

[0061] In some implementation methods, please refer to Figure 1 The bottom of the frame 9 is fixedly provided with a lower cover 8, which can support the filter screen 10 and ensure structural stability.

[0062] Optionally, a pressure gauge is provided on the outside of the valve head 3. The pressure inside the pre-filter can be monitored by setting the pressure gauge, and the user can make adjustments when the pressure is too high.

[0063] The pre-filter structure with ultrasonic cleaning function provided by this utility model can generate ultrasonic vibration to clean the filter screen 10 through the ultrasonic generator 4. Compared with the conventional method of relying on water pressure to achieve rinsing, dirt can be quickly removed, the filter screen 10 is cleaned more thoroughly, and it is not easy to get clogged.

[0064] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0065] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of this utility model.

Claims

1. A pre-filter structure with ultrasonic cleaning function, characterized in that, include: Filter flask (5); A valve head (3) is fixedly installed on the top of the filter bottle (5). The valve head (3) has an inlet end and an outlet end on both sides. Both the inlet end and the outlet end are connected to a connector (1). The filter assembly includes a frame (9) fixedly disposed inside the filter bottle (5) and a filter screen (10) sleeved and fixed outside the frame (9); A ball valve (7) is installed at the bottom of the filter bottle (5). The ball valve (7) is used to control the opening and closing of the sewage discharge channel. The filter bottle (5) is provided with an ultrasonic generator (4) inside and / or outside, and the ultrasonic generator (4) is used to generate ultrasonic vibrations to clean the filter screen (10).

2. The pre-filter structure with ultrasonic cleaning function according to claim 1, characterized in that, The ultrasonic generator (4) located inside the filter bottle (5) is a built-in structure, and the ultrasonic generator (4) is fixed inside the frame (9).

3. The pre-filter structure with ultrasonic cleaning function according to claim 1, characterized in that, The ultrasonic generator (4) located outside the filter bottle (5) is an external ring structure, with the ultrasonic generator sleeved and fixed outside the filter bottle (5).

4. The pre-filter structure with ultrasonic cleaning function according to claim 1, characterized in that, Both the inlet end and the outlet end are threaded with nuts (2), and the connector (1) is fixedly connected to the inlet end / outlet end through the nuts (2).

5. The pre-filter structure with ultrasonic cleaning function according to claim 4, characterized in that, The connector (1) has a first annular step (101) on its outside, and the nut (2) has a second annular step (201) inside for abutting against the first annular step (101).

6. The pre-filter structure with ultrasonic cleaning function according to claim 5, characterized in that, A sealing gasket is provided between the connector (1) and the inlet / outlet end.

7. The pre-filter structure with ultrasonic cleaning function according to claim 1, characterized in that, The filter bottle (5) has an external thread on the top outer side, and the valve head (3) has an internal thread that matches the external thread. The valve head (3) is threadedly connected to the filter bottle (5).

8. The pre-filter structure with ultrasonic cleaning function according to claim 7, characterized in that, The top of the filter bottle (5) is provided with an annular groove, and a sealing ring is provided in the annular groove.

9. The pre-filter structure with ultrasonic cleaning function according to claim 1, characterized in that, The bottom of the filter bottle (5) is provided with a sealing element (6), and the sealing element (6) is provided with several sealing rings. The sealing element (6) is provided with a water passage hole in the middle.

10. The pre-filter structure with ultrasonic cleaning function according to claim 9, characterized in that, The ball valve (7) is threaded to the bottom of the seal (6).

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