A self-cleaning filter and method of use thereof

By employing vibration and rotary airflow cleaning technology, the self-cleaning filter solves the problem of filter clogging, achieving self-cleaning of the filter and extending its service life, thus ensuring smooth and efficient liquid filtration.

CN116531842BActive Publication Date: 2026-01-06JIANGSU XINFENG FLUID MASCH TECH CO LTD
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Patent Information

Application Number
CN202310646238.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-02
Publication Date
2026-01-06
Estimated Expiration
2043-06-02

AI Technical Summary

Technical Problem

During use, the filter screen of existing filters is easily clogged by insoluble impurities, resulting in poor filtration and shortened service life.

Method used

A self-cleaning filter is used, which uses a vibration device to loosen impurities by vibrating the filter screen, and a cleaning device to spray a rotating airflow and a vacuum pump to extract the impurities. Combined with an ion filter, soluble impurities are filtered out.

Benefits of technology

It effectively cleans impurities from the filter screen, extends the service life of the filter, ensures smooth liquid filtration, and improves filtration efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a self-cleaning filter and a use method thereof. The self-cleaning filter comprises a support, a machine box fixedly installed on the support, an air suction pump arranged on the machine box, a filter device arranged in the machine box, a filter screen for filtering non-soluble impurities in liquid entering the machine box, a vibrating device arranged in the machine box and used for reciprocally pushing the filter screen and vibrating the filter screen, a transmission device connected with the vibrating device and a cleaning device connected with the transmission device. The self-cleaning filter sprays a rotary airflow to the filter screen by the cleaning device, the non-soluble impurities in the filter screen holes are suspended in the air by the airflow, the air suction pump sucks the air containing the impurities, the cleaning device and the air suction pump jointly act on the filter screen to clean the impurities on the filter screen, the filter screen is prevented from being blocked, and the service life of the filter is prolonged. During the liquid filtering process, the vibrating device reciprocally pushes the filter screen, the filter screen is continuously vibrated, the non-soluble impurities instantaneously blocked on the filter screen are loosened, and the liquid filtering is smooth.
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Description

Technical Field

[0001] This invention relates to the field of filter technology, and in particular to a self-cleaning filter and its usage method. Background Technology

[0002] A filter is a device that uses porous filters to achieve solid-liquid separation. It is a new type of filtration system with novel structure, small size, simple and flexible operation, high efficiency, and closed operation. It is a versatile filtration device with strong applicability and is used in chemical, petroleum, pharmaceutical, light industry, food, mineral processing, coal and water treatment industries.

[0003] During the use of a filter, insoluble impurities in the liquid to be filtered continuously accumulate on the filter screen inside the filter. After long-term use, excessive accumulation of impurities can easily clog the filter screen pores, causing poor filtration and shortening the service life of the filter. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a self-cleaning filter and its usage method.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a self-cleaning filter, including a bracket, a housing fixedly installed on the bracket, an air pump installed on the housing, a filtration device installed inside the housing, the filtration device including a filter screen, the filter screen being used to filter insoluble impurities in the liquid entering the housing.

[0006] As a further description of the above technical solution: a vibration device is provided inside the chassis to reciprocate and push the filter screen, and the vibration device is used to vibrate the filter screen.

[0007] As a further description of the above technical solution: the vibration device is connected to the transmission device, the transmission device is connected to the cleaning device, and the cleaning device is used to spray a rotating airflow onto the filter screen.

[0008] As a further description of the above technical solution: an ion filter is provided on the bracket, an outlet is provided on one side of the ion filter, an inlet is provided on the top of the chassis, and an outlet is provided on the bottom of the chassis. The outlet is connected to the ion filter through a pipe.

[0009] As a further description of the above technical solution: the filtration device includes a lifting groove, which is formed in the inner wall of the housing. The lifting groove is slidably connected to the filter screen. A fixing column is fixedly installed on the lifting groove, and the fixing column passes through the filter screen. A first spring is sleeved on the fixing column, and the two ends of the first spring are connected to the filter screen and the lifting groove.

[0010] As a further description of the above technical solution: the vibration device includes a motor protective sleeve, which is fixedly installed inside the housing. A motor is installed inside the motor protective sleeve, and a main shaft is fixedly installed at the output end of the motor. A round rod is fixedly installed on the main shaft, and an inclined plate is slidably connected to the round rod. A push rod is fixedly installed on the inclined plate, and the push rod contacts the top of the filter screen.

[0011] As a further description of the above technical solution: a fixing plate is provided below the inclined plate, the fixing plate is fixedly installed in the chassis, a limit post is fixedly installed on the fixing plate, the limit post passes through the inclined plate, a second spring is sleeved on the limit post, and the two ends of the second spring connect the inclined plate and the fixing plate.

[0012] As a further description of the above technical solution: the transmission device includes a drive wheel, which is fixedly mounted on the main rotating shaft. The drive wheel and the driven wheel are connected by a belt drive. The belt passes through one side of the chassis. A first auxiliary rotating shaft is fixedly mounted on the inner wall of the driven wheel. One end of the first auxiliary rotating shaft is rotatably connected to a support plate through a bearing. The support plate is fixedly mounted on the chassis.

[0013] As a further description of the above technical solution: the cleaning device includes a first bevel gear, which is fixedly mounted on a first auxiliary rotating shaft. The first bevel gear meshes with a second bevel gear. A second auxiliary rotating shaft is fixedly mounted on the inner wall of the second bevel gear. The second auxiliary rotating shaft is rotatably connected to the housing via a bearing. A third bevel gear is fixedly mounted on the second auxiliary rotating shaft. The third bevel gear meshes with a fourth bevel gear. A third auxiliary rotating shaft is fixedly mounted on the inner wall of the fourth bevel gear. A fixed rod is rotatably connected to the third auxiliary rotating shaft via a bearing. The fixed rod is fixedly mounted on the inner wall of the housing. A high-pressure nozzle is fixedly mounted at one end of the third auxiliary rotating shaft.

[0014] A method of using a self-cleaning filter employing any of the aforementioned solutions includes:

[0015] S1: Pour the liquid to be filtered into the inlet, and the filter device filters out insoluble impurities in the liquid;

[0016] S2: Turn on the vibration device. The vibration device is linked with the filter device. The filter screen vibrates under the reciprocating push of the vibration device. The non-soluble impurities blocking the filter screen holes are loosened by the vibration.

[0017] S3: The liquid after filtering out insoluble impurities flows out of the outlet through the ion filter. The ion filter filters out soluble impurities in the liquid. After the liquid is filtered, the ion filter is turned off.

[0018] S4: Turn on the air pump, and the vibration device will work in conjunction with the cleaning device. The cleaning device will spray air upwards from the bottom of the filter screen in a rotating manner. The vibration of the filter screen will loosen the insoluble impurities and make them easier to be blown and suspended in the casing by the airflow. The air pump will then extract the impurities suspended in the air along with the air, thus achieving self-cleaning of the filter screen.

[0019] The above technical solution has the following advantages or beneficial effects:

[0020] 1. The cleaning device sprays a rotating airflow onto the filter screen. The airflow suspends insoluble impurities in the filter screen pores in the air. The air pump then extracts the air containing the impurities. The cleaning device and the air pump work together to clean the impurities on the filter screen, alleviate filter screen clogging, and extend the service life of the filter.

[0021] 2. During the liquid filtration process, the vibrating device pushes the filter screen back and forth, causing the filter screen to vibrate continuously. This loosens the insoluble impurities that are clogging the filter screen, which is conducive to smooth liquid filtration. Attached Figure Description

[0022] Figure 1 This is a perspective view of a self-cleaning filter proposed in this invention;

[0023] Figure 2 This is a left-side view of a self-cleaning filter proposed in this invention;

[0024] Figure 3 For the present invention Figure 1 Cross-sectional view of the middle chassis;

[0025] Figure 4 For the present invention Figure 3 Top view of the middle belt;

[0026] Figure 5 For the present invention Figure 3 Enlarged diagram of point A in the diagram;

[0027] Figure 6 For the present invention Figure 5 Right side view of the inclined plate;

[0028] Figure 7 For the present invention Figure 3 Enlarged diagram of point B in the image.

[0029] Legend:

[0030] 1. Bracket; 2. Ion filter; 3. Outlet; 4. Chassis; 5. Inlet; 6. Outlet; 7. Filtration device; 71. Lifting trough; 72. Fixing column; 73. Filter screen; 74. First spring; 8. Vibration device; 81. Motor protective sleeve; 82. Main shaft; 83. Round rod; 84. Inclined plate; 85. Push rod; 86. Fixing plate; 87. Limiting column; 88. Second spring; 9. Transmission device; 91. Driving wheel; 92. Driven wheel; 93. Belt; 94. First auxiliary shaft; 95. Support plate; 10. Cleaning device; 101. First bevel gear; 102. Second bevel gear; 103. Second auxiliary shaft; 104. Third bevel gear; 105. Fourth bevel gear; 106. Third auxiliary shaft; 107. Fixing rod; 108. High-pressure nozzle; 11. Air pump. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Reference Figures 1-3 An embodiment of the present invention provides a self-cleaning filter, comprising a support 1, an ion filter 2 mounted on the support 1, the ion filter 2 being used to filter soluble impurities in a liquid, an outlet 3 on one side of the ion filter 2, through which the liquid after filtering insoluble and soluble impurities flows out; an inlet 5 on the top of a casing 4, and an outlet 6 on the bottom of the casing 4, the liquid entering the casing 4 through the inlet 5, filtering insoluble impurities, and then entering the ion filter 2 through the outlet 6, the outlet 6 being connected to the ion filter 2 via a pipe; a casing 4 is fixedly mounted on the support 1, a vacuum pump 11 is mounted on the casing 4, and a filtration device 7 is installed inside the casing 4, the filtration device 7 including a filter screen 73, the filter screen 73 being used to filter insoluble impurities in the liquid entering the casing 4.

[0033] Reference Figure 3 , Figure 5 , Figure 6 The housing 4 is equipped with a vibration device 8 that reciprocates to push the filter screen 73. The vibration device 8 is used to vibrate the filter screen 73.

[0034] The vibration device 8 includes a motor protective sleeve 81, which is fixedly installed inside the housing 4. A motor is installed inside the motor protective sleeve 81, and a main shaft 82 is fixedly installed at the output end of the motor. A round rod 83 is fixedly installed on the main shaft 82, and a slidably connected inclined plate 84 is connected to the round rod 83. A push rod 85 is fixedly installed on the inclined plate 84, and the push rod 85 contacts the top of the filter screen 73. A fixing plate 86 is set below the inclined plate 84 and is fixedly installed inside the housing 4. A limit post 87 is fixedly installed on the fixing plate 86, and the limit post 87 passes through the inclined plate 84. A second spring 88 is sleeved on the limit post 87, and the two ends of the second spring 88 are connected to the inclined plate 84 and the fixing plate 86. When the motor is started, the motor drives the main shaft 82 to rotate, and the main shaft 82 drives the round rod 83 to rotate. The round rod 83 reciprocates in contact with the inclined plate 84. When the round rod 83 slides on the inclined plate 84, the inclined plate 84 is pressed and slides downward on the limit post 87. At this time, the push rod 85 pushes the filter screen 73.

[0035] The filter device 7 includes a lifting groove 71, which is formed on the inner wall of the housing 4. The lifting groove 71 is slidably connected to the filter screen 73. A fixing post 72 is fixedly installed on the lifting groove 71, and the fixing post 72 passes through the filter screen 73. A first spring 74 is sleeved on the fixing post 72, and the two ends of the first spring 74 are connected to the filter screen 73 and the lifting groove 71. When the filter screen 73 is pushed by the push rod 85, the filter screen 73 slides downward in the lifting groove 71. When the push rod 83 leaves the inclined plate 84, the second spring 88 rebounds, and the inclined plate 84... 4. The push rod 85 moves upward, at which point the push rod 85 leaves the filter screen 73 and springs back to above the lifting groove 71. The filter screen 73 is acted upon by the first spring 74, and slides upward, generating vibration. Since the mass of the inclined plate 84 is much smaller than the mass of the filter screen 73, the rebound speed of the inclined plate 84 is higher than that of the filter screen 73. Therefore, the vibration of the filter screen 73 is established. The vibration of the filter screen 73 loosens the impurities attached to the surface of the filter screen 73 and those blocked in the holes, making liquid filtration smoother and enhancing the immediate filtration efficiency of the liquid.

[0036] Reference Figure 3 , Figure 4 , Figure 7 The vibration device 8 is connected to the transmission device 9, the transmission device 9 is connected to the cleaning device 10, and the cleaning device 10 is used to spray a rotating airflow onto the filter screen 73.

[0037] The transmission device 9 includes a drive wheel 91, which is fixedly mounted on the main shaft 82. The drive wheel 91 and the driven wheel 92 are connected by a belt 93, which passes through one side of the housing 4. A first auxiliary shaft 94 is fixedly mounted on the inner wall of the driven wheel 92. One end of the first auxiliary shaft 94 is rotatably connected to a support plate 95 through a bearing. The support plate 95 is fixedly mounted on the housing 4. The rotation of the main shaft 82 drives the drive wheel 91 to rotate. The drive wheel 91 drives the driven wheel 92 and the first auxiliary shaft 94 to rotate through the belt 93.

[0038] The cleaning device 10 includes a first bevel gear 101, which is fixedly mounted on a first auxiliary shaft 94. The first bevel gear 101 meshes with a second bevel gear 102. A second auxiliary shaft 103 is fixedly mounted on the inner wall of the second bevel gear 102. The second auxiliary shaft 103 is rotatably connected to the housing 4 via a bearing. A third bevel gear 104 is fixedly mounted on the second auxiliary shaft 103, which meshes with a fourth bevel gear 105. A third auxiliary shaft 106 is fixedly mounted on the inner wall of the fourth bevel gear 105. A fixing rod 107 is rotatably connected to the third auxiliary shaft 106 via a bearing. The fixing rod 107 is fixedly mounted on the inner wall of the housing 4. One end of the third auxiliary shaft 106 is fixedly mounted with... There is a high-pressure nozzle 108. The rotation of the first auxiliary shaft 94 drives the first bevel gear 101 to rotate. The first bevel gear 101 drives the second bevel gear 102 and the second auxiliary shaft 103 to rotate. The second auxiliary shaft 103 drives the third bevel gear 104 and the fourth bevel gear 105 to rotate. The fourth bevel gear 105 drives the third auxiliary shaft 106 and the high-pressure nozzle 108 to rotate. The high-pressure nozzle 108 rotates continuously during the jet spraying process, forming a rotating airflow. The airflow suspends the insoluble impurities in the filter screen 73 in the air. The air pump 11 is turned on, and the air pump 11 extracts the air containing impurities. The impurities on the filter screen 73 are cleaned, relieving the clogging of the filter screen 73 and extending the service life of the filter.

[0039] A method of using a self-cleaning filter includes:

[0040] S1: Pour the liquid to be filtered into the inlet 5, and the filter device 7 filters out the insoluble impurities in the liquid.

[0041] S2: Turn on the vibration device 8, which is linked to the filter device 7. Start the motor, which drives the main shaft 82 to rotate. The main shaft 82 drives the round rod 83 to rotate. The round rod 83 reciprocates in contact with the inclined plate 84. When the round rod 83 slides on the inclined plate 84, the inclined plate 84 is pressed and slides downward on the limit post 87. At this time, the push rod 85 pushes the filter screen 73. The filter screen 73 slides downward in the lifting groove 71. When the round rod 83 leaves the inclined plate 84, the second spring 88 rebounds. The inclined plate 84 drives the push rod 85 to move upward. At this time, the push rod 85 leaves the filter screen 73 and rebounds to above the lifting groove 71. The filter screen 73 is acted upon by the first spring 74 and slides upward. The filter screen 73 vibrates under the reciprocating push of the vibration device 8. The non-soluble impurities blocking the holes of the filter screen 73 are loosened under the vibration, making the liquid filter smooth immediately.

[0042] S3: The liquid after filtering out insoluble impurities flows out from the outlet 3 through the ion filter 2. The ion filter 2 filters out soluble impurities in the liquid. After the liquid is filtered, the ion filter 2 is turned off.

[0043] S4: Turn on the air pump 11, the vibration device 8 is linked with the cleaning device 10, the main shaft 82 rotates and drives the drive wheel 91 to rotate, the drive wheel 91 drives the driven wheel 92 and the first auxiliary shaft 94 to rotate through the belt 93, the first auxiliary shaft 94 rotates and drives the first bevel gear 101 to rotate, the first bevel gear 101 drives the second bevel gear 102 and the second auxiliary shaft 103 to rotate, the second auxiliary shaft 103 drives the third bevel gear 104 and the fourth bevel gear 105 to rotate, the fourth bevel gear 105 drives the third auxiliary shaft 106 and the high-pressure nozzle 108 to rotate, the high-pressure nozzle 108 rotates continuously during the air spray process, forming a rotating airflow, the cleaning device 10 sprays air upwards from the bottom of the filter screen 73 in a rotating manner, the vibration of the filter screen 73 makes the insoluble impurities loosen and more easily blown by the airflow and suspended in the casing 4, the air pump 11 extracts the impurities suspended in the air together with the air, realizing the self-cleaning of the filter screen 73.

[0044] Working principle: The motor starts, driving the main shaft 82 to rotate. The main shaft 82 drives the round rod 83 to rotate, reciprocating in contact with the inclined plate 84. When the round rod 83 slides on the inclined plate 84, the inclined plate 84 is pressed and slides downwards on the limiting post 87. At this time, the push rod 85 pushes the filter screen 73, which slides downwards in the lifting groove 71. When the round rod 83 leaves the inclined plate 84, the second spring 88 rebounds, and the inclined plate 84 drives the push rod 85 to move upwards. At this time, the push rod 85 leaves the filter screen 73 and rebounds to above the lifting groove 71. The filter screen 73, under the action of the first spring 74, slides upwards, creating vibration. This vibration loosens impurities attached to the surface of the filter screen 73 and those blocked in the pores, making liquid filtration smoother and enhancing the immediate filtration efficiency. After liquid filtration is complete, the ion exchange is closed. In filter 2, the main shaft 82 rotates, driving the drive wheel 91 to rotate. The drive wheel 91 drives the driven wheel 92 and the first auxiliary shaft 94 to rotate via the belt 93. The rotation of the first auxiliary shaft 94 drives the first bevel gear 101 to rotate. The first bevel gear 101 drives the second bevel gear 102 and the second auxiliary shaft 103 to rotate. The second auxiliary shaft 103 drives the third bevel gear 104 and the fourth bevel gear 105 to rotate. The fourth bevel gear 105 drives the third auxiliary shaft 106 and the high-pressure nozzle 108 to rotate. The high-pressure nozzle 108 rotates continuously during the jet spraying process, forming a rotating airflow. The airflow suspends the insoluble impurities in the filter screen 73 in the air. The air pump 11 is turned on, and the air pump 11 extracts the air containing impurities. The impurities on the filter screen 73 are cleaned, relieving the clogging of the filter screen 73 and extending the service life of the filter.

[0045] Finally, it should be noted that the above description 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 foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A self-cleaning filter machine characterized by: The utility model provides a filter device, including support, fixed mounting has machine case on support, be provided with suction pump on machine case, be provided with filter device inside machine case, filter device includes filter screen, filter screen is used for filtering the non - soluble impurity in the liquid that enters machine case, The machine case is provided with a vibration device reciprocatingly pushing the filter screen, and the vibration device is used for vibrating the filter screen; The vibration device is connected with a transmission device, the transmission device is connected with a cleaning device, and the cleaning device is used for spraying a rotating airflow to the filter screen; The support is provided with an ion filter, one side of the ion filter is provided with a liquid outlet, the top of the machine case is provided with a water inlet, and the bottom of the machine case is provided with a water outlet. The filter device comprises a lifting groove, the lifting groove is formed in the inner wall of the machine case, the lifting groove is slidably connected with the filter screen, a fixing column is fixedly installed on the lifting groove, the fixing column penetrates through the filter screen, a first spring is sleeved on the fixing column, and the two ends of the first spring are connected with the filter screen and the lifting groove. The vibration device comprises a motor protection sleeve, the motor protection sleeve is fixedly installed in the machine case, a motor is arranged in the motor protection sleeve, a main rotating shaft is fixedly installed at the output end of the motor, a circular rod is fixedly installed on the main rotating shaft, an inclined plate is slidably connected with the circular rod, a push rod is fixedly installed on the inclined plate, and the push rod is in contact with the top of the filter screen. A fixed plate is arranged below the inclined plate, the fixed plate is fixedly installed in the machine case, a limiting column is fixedly installed on the fixed plate, the limiting column penetrates through the inclined plate, a second spring is sleeved on the limiting column, and the two ends of the second spring are connected with the inclined plate and the fixed plate. The transmission device comprises a driving wheel, the driving wheel is fixedly installed on the main rotating shaft, the driving wheel is connected with a driven wheel through a belt transmission, the belt penetrates through one side of the machine case, a first auxiliary rotating shaft is fixedly installed on the inner wall of the driven wheel, a supporting plate is rotatably connected with one end of the first auxiliary rotating shaft through a bearing, and the supporting plate is fixedly installed on the machine case. The cleaning device comprises a first bevel gear, the first bevel gear is fixedly installed on the first auxiliary rotating shaft, the first bevel gear is engaged with a second bevel gear, a second auxiliary rotating shaft is fixedly installed on the inner wall of the second bevel gear, the second auxiliary rotating shaft is rotatably connected with the machine case through a bearing, a third bevel gear is fixedly installed on the second auxiliary rotating shaft, the third bevel gear is engaged with a fourth bevel gear, a third auxiliary rotating shaft is fixedly installed on the inner wall of the fourth bevel gear, a fixed rod is rotatably connected with the third auxiliary rotating shaft through a bearing, the fixed rod is fixedly installed on the inner wall of the machine case, and a high-pressure nozzle is fixedly installed at one end of the third auxiliary rotating shaft.

2. A method of using the self-cleaning filter of claim 1, characterized by: The utility model discloses a filter device, including support, fixed mounting has machine case on support, be provided with suction pump on machine case, be provided with filter device inside machine case, filter device includes filter screen, filter screen is used for filtering the non - soluble impurity in the liquid that enters machine case, S1: pour the liquid to be filtered into the water inlet, and the filter device filters the non-soluble impurities in the liquid; S2: start the vibration device, the vibration device drives the filter device, the filter screen vibrates under the reciprocating pushing of the vibration device, and the non-soluble impurities blocked in the filter screen holes are loosened under the vibration; S3: the liquid after filtering the non-soluble impurities flows out from the liquid outlet through the ion filter, the ion filter filters the soluble impurities in the liquid, and the ion filter is closed after the liquid is filtered; S4: the air pump is opened, the vibration device is linked with the cleaning device, the cleaning device rotates upwardly from the bottom of the filter screen to spray air, the vibration of the filter screen makes the non-soluble impurities loose and more easily suspended in the cabinet by the air flow, and the air pump extracts the impurities suspended in the air together with the air, so that the filter screen is self-cleaned.

Citation Information

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