Filter element capable of preventing air from overflowing
By designing an air overflow filter element in the air purification system, using the flow control valve and air guide structure to limit the flow of air, and optimizing air flow and impurity cleaning through the diffusion and dust collection structure, the problem of excessive air flow is solved, resulting in reduced filtering effect of the filter element, and more efficient air purification and long life of the filter element are achieved.
Patent Information
- Application Number
- CN202510027964.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-04-25
AI Technical Summary
In existing air purification systems, when the air flow is too large, the filtering effect of the filter element is significantly reduced, which may even lead to damage to the filter element and affect the normal operation of the system.
An anti-air overflow filter element is designed, using a flow control valve and air guide structure, which limits the flow of air inflow through the control valve, and guides air flow through the air guide structure to avoid excessive air inflow. At the same time, a diffusion structure and dust collection structure are set up to ensure that the air diffuses before entering the filter element and to effectively collect impurities inside the filter element.
Effectively prevent excessive air from flowing in, extend the service life of the filter element, improve filtration efficiency, and avoid blockage and damage of the filter element.
Smart Images
Figure CN119869114A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of air purification, and in particular to an air overflow prevention filter element. Background Art
[0002] In the air purification system, the filter element is a key component used to filter impurities such as particulate matter and microorganisms in the air. However, when the air flow is too large, the airflow speed through the filter element is accelerated, which shortens the residence time of particulate matter in the filter element. Some smaller particles may not be captured by the filter element in time and are carried away by the high-speed airflow, thereby reducing the filtration efficiency of the filter element and may even cause damage to the filter element, affecting the normal operation of the air purification system. At the same time, although the large flow of air itself does not necessarily directly cause the filter element to be blocked, due to the reduced filtration efficiency, the particles that are not effectively filtered may gradually accumulate during the subsequent use process, accelerating the clogging process of the filter element. The filter element products currently on the market are insufficient in preventing excessive air flow, which can easily lead to a decrease in filtration effect. Summary of the invention
[0003] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an air flow prevention filter element to solve the problem that when the air flow is too large, the filtering effect of the filter element will be significantly reduced or even cause damage to the filter element in the above technical solution.
[0004] In order to achieve the above-mentioned object, the present invention adopts the following technical scheme: an air flow prevention filter element, comprising a protection tube, an air intake pipe is fixedly connected to the inner wall of the protection tube, one end of the air intake pipe is detachably connected to a flow control valve, one end of the air intake pipe away from the flow control valve is threadedly connected to a filter element body, and one end of the filter element body is provided with a dust collecting structure; The inner wall of the air intake pipe is provided with a diffusion structure; An air guide structure is provided at one end of the flow control valve away from the air inlet pipe; The air guide structure includes an air guide member rotatably connected to the flow control valve, the top of the air guide member is fixedly connected to a rotating rod, the top of the rotating rod is fixedly connected to a push plate, the outer wall of the flow control valve is slidably connected to an arc strip, a side of the arc strip close to the rotating rod is provided with a limiting groove, the outer wall of the flow control valve is fixedly connected to a motor, the rotating shaft of the motor is fixedly connected to a threaded rod, the outer wall of the threaded rod is threadedly connected to a sliding block, the outer wall of the sliding block is fixedly connected to a telescopic plate, the telescopic end of the telescopic plate is hinged to the top of the arc strip, the flow control valve is fixedly connected to a torsion spring through the groove, and one end of the torsion spring is fixedly connected to the outer wall of the rotating rod.
[0005] As a preferred implementation manner, one end of the threaded rod away from the motor is fixedly connected to a limiting ring.
[0006] The beneficial effect of adopting the above further solution is: by providing a limit ring, the slider is blocked to prevent the bending of the telescopic plate from affecting the movement of the arc strip.
[0007] As a preferred embodiment, the diffusion structure includes a support rod fixedly connected to the inner wall of the air inlet pipe, a bearing fixedly connected to the support rod, an inner shaft of the bearing pair fixedly connected to an air expansion blade, one end of the air expansion blade fixedly connected to a connecting rod, a connecting strip fixedly connected to the connecting rod, a cleaning rod rotatably connected to the connecting strip, and the outer wall of the cleaning rod fits with the interior of the filter element body.
[0008] The beneficial effect of adopting the above further solution is: by providing a diffusion structure, diffusion of air is achieved before the air enters the filter element body, thereby avoiding blockage of the filter element body and extending the service life of the filter element body.
[0009] As a preferred embodiment, the dust collecting structure includes a dust box arranged at the bottom of the filter element body, a first connecting plate is fixedly connected to the dust box, a second connecting plate is fixedly connected to the outer wall of the filter element body, a bolt is arranged on the first connecting plate, the bolt passes through the second connecting plate, one end of the bolt passes through the second connecting plate and is threadedly connected with a nut, one side of the nut is fitted with the second connecting plate, and a dust collecting funnel is arranged inside the dust box.
[0010] The beneficial effect of adopting the above further scheme is: by setting up a dust collecting box, a first connecting plate, a second connecting plate, bolts, nuts and a dust collecting funnel, the collection and cleaning of impurities inside the filter element body can be achieved, avoiding affecting the dust collecting box's collection effect on impurities inside the filter element body.
[0011] As a preferred embodiment, a slot is provided at the bottom of the dust collecting funnel, a support plate is fixedly connected to the inner wall of the dust collecting box, a plug rod is fixedly connected to the top of the support plate, and the plug rod is adapted to the slot provided in the dust collecting funnel.
[0012] The beneficial effect of adopting the above further solution is: by providing the slot, the support plate and the insertion rod, the dust collecting funnel can be disassembled, and the impurities inside the dust collecting box can be easily cleaned.
[0013] As a preferred implementation, a protrusion is fixedly connected to the inner bottom of the dust box.
[0014] The beneficial effect of adopting the above further solution is that by providing the protrusion, the impurities that fall into the dust box are moved to the periphery of the dust box, thereby avoiding the clogging of the collection port of the dust collecting funnel.
[0015] As a preferred embodiment, a protective ring is fixedly connected to the interior of the air intake pipe, and one side of the protective ring is in contact with one side of the filter element body.
[0016] The beneficial effect of adopting the above further solution is: by providing a protective ring, the threaded connection between the filter element body and the air intake pipe is sealed, thereby preventing dust inside the air from entering the threaded connection between the filter element body and the air intake pipe.
[0017] As a preferred implementation, one end of the protection pipe away from the air inlet pipe is fixedly connected to an air collecting hood, and one end of the air collecting hood is fixed to one end of the flow control valve.
[0018] The beneficial effect of adopting the above further solution is: by providing an air collecting hood, air can be collected to avoid affecting the overall filtering effect of the device.
[0019] Compared with the prior art, the advantages and positive effects of the present invention are: 1. When the user is using the filtering device, when the air flow is large, the flow control valve and the air guide structure can be controlled by the controller. The flow control valve will reduce the amount of air flowing in by rotating under control, so as to prevent excessive air inflow. At the same time, the motor drives the slider to move, thereby driving the arc bar to push the push plate through the movement of the slider, so that the push plate drives the rotating rod to flip. When the air guide is flipped, it will merge into a more inclined plate, so that the air tends to the flow control valve when flowing, thereby avoiding the strong blowing of the air on the flow control valve. The blocked part of the flow control valve is avoided, thereby avoiding affecting the service life of the flow control valve.
[0020] 2. By setting a diffusion structure, diffusion of air is achieved before it enters the filter element body. When the flow control valve is limiting the air flow, the air flow may be blown to one side of the filter element body. Air only blown to one side of the filter element body may cause accelerated local blockage or uneven filtration, thereby affecting the life of the filter element. At this time, the air expansion fan blades are blown by the air to rotate, so that the air can be diffused, thereby preventing the air from being blown to only one side of the filter element body. At the same time, the air expansion fan blades will cause the cleaning rod to rotate when rotating, and the impurities adhered to the inner wall of the filter element body are cleaned through the cleaning rod, thereby avoiding blockage of the filter element body and extending the service life of the filter element body.
[0021] 3. By setting a dust box, a first connecting plate, a second connecting plate, bolts, nuts and a dust funnel, the impurities inside the filter element body can be collected and cleaned. When the impurities inside the filter element body fall after being cleaned by the cleaning rod, the impurities can be collected by the dust funnel so that the impurities fall into the dust box. After the filter has been used for a period of time, the user can disassemble the dust box by removing the bolts and nuts to clean the impurities inside the dust box, thereby avoiding affecting the dust box's collection effect on the impurities inside the filter element body. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic diagram of the overall structure of an air flow prevention filter element of the present invention; Figure 2 This is a schematic structural diagram of an air inlet pipe of an air-through filter element and its related parts of the present invention; Figure 3 This is a schematic structural diagram of an air-through filter element air guide and its related parts according to the present invention; Figure 4 This is a schematic diagram of the structure of an air-through filter motor and its related parts according to the present invention; Figure 5 This is a schematic diagram of a diffusion structure of an air flow prevention filter element of the present invention; Figure 6 This is a schematic diagram of the structure of an air-through filter dust box and its related parts of the present invention; Figure 7 This is a schematic diagram of the structure of an air-through filter dust collecting funnel and its related parts of the present invention; Figure 8 The present invention is a schematic structural diagram of an air-through-flow filter protection ring and its related parts.
[0023] Description of reference numerals: 1. Protective tube; 2. Air intake pipe; 3. Filter element body; 4. Flow control valve; 5. air guide structure; 501. air guide member; 502. rotating rod; 503. push plate; 504. arc strip; 505. limit groove; 506. motor; 507. threaded rod; 508. slider; 509. telescopic plate; 510. torsion spring; 511. limit ring; 6. diffusion structure; 601. support rod; 602. bearing; 603. air expansion fan blade; 604. connecting rod; 605. connecting strip; 606. cleaning rod; 7. Dust collecting structure; 701. Dust collecting box; 702. First connecting plate; 703. Second connecting plate; 704. Bolt; 705. Nut; 706. Dust collecting funnel; 707. Slot; 708. Support plate; 709. Insert rod; 710. Bump; 8. Protective ring; 9. Gas collecting hood. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example
[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the present invention provides a technical solution: an air flow prevention filter element, comprising a protection tube 1, an air intake pipe 2 is fixedly connected to the inner wall of the protection tube 1, one end of the air intake pipe 2 is detachably connected to a flow control valve 4, the flow control valve 4 is set as a ball valve, when the flow needs to be controlled, the ball will be rotated to block part of the channel of the valve body, so as to achieve the effect of flow control, the flow control valve 4 is controlled by a controller, the flow control valve 4 is used to control the gas entering the air intake pipe 2, one end of the air intake pipe 2 away from the flow control valve 4 is threadedly connected to a filter element body 3, the filter element body 3 is used to filter the air, and a dust collecting structure 7 is set at one end of the filter element body 3; The dust collecting structure 7 is used to collect impurities to avoid the accumulation of impurities inside the filter element body 3 to cause blockage, thereby avoiding affecting the use effect of the filter element body 3. The inner wall of the air inlet pipe 2 is provided with a diffusion structure 6; the diffusion structure 6 is used to diffuse the gas entering the filter element body 3 to avoid the air from deviating to one side of the filter element body 3 when entering the filter element body 3, thereby avoiding local blockage acceleration or uneven filtering. The end of the flow control valve 4 away from the air inlet pipe 2 is provided with an air guide structure 5; the air guide structure 5 includes an air guide member 501 rotatably connected to the flow control valve 4, and the air guide member 50 1 is used to guide the air, and by guiding the air guide, the air is prevented from blowing to the side of the flow control valve 4 where the air cannot flow, thereby avoiding affecting the service life of the flow control valve 4. The top of the air guide member 501 is fixedly connected with a rotating rod 502, and the top of the rotating rod 502 is fixedly connected with a push plate 503. The push of the push plate 503 can make the rotating rod 502 rotate, and the rotation of the rotating rod 502 can drive the air guide member 501 to flip, so as to avoid the air guide member 501 affecting the flow of air when the flow control valve 4 does not control the air flow. The outer wall is slidably connected with an arc strip 504, and the arc strip 504 is used to push the push plate 503. A limit groove 505 is provided on a side of the arc strip 504 close to the rotating rod 502, and the limit groove 505 is used to place the push plate 503. The outer wall of the flow control valve 4 is fixedly connected with a motor 506, and the motor 506 is controlled by a controller. The rotating shaft of the motor 506 is fixedly connected with a threaded rod 507, and the motor 506 is used to realize the rotation of the threaded rod 507. The outer wall of the threaded rod 507 is threadedly connected with a slider 508, and the rotation of the threaded rod 507 can drive the slider 508 Movement, the outer wall of the slider 508 is fixedly connected with a telescopic plate 509, and the movement of the telescopic plate 509 can drive the arc bar 504 to move, so that the movement of the arc bar 504 pushes the push plate 503, and the telescopic end of the telescopic plate 509 is hinged to the top of the arc bar 504, and the flow control valve 4 is fixedly connected with a torsion spring 510 through the opened groove, and one end of the torsion spring 510 is fixedly connected to the outer wall of the bottom of the push plate 503, and the torsion spring 510 is used for the arc bar 504 to restore the push plate 503 to its original position when the push plate 503 is not pushed, so as to avoid affecting the use.
[0026] Reference Figure 3 and Figure 4 The end of the threaded rod 507 away from the motor 506 is fixedly connected to a limit ring 511, and the limit ring 511 is used to block the slider 508 to prevent the slider 508 from driving the telescopic plate 509 to move, and the telescopic plate 509 from colliding strongly with the flow control valve 4, thereby preventing the telescopic end of the telescopic plate 509 from bending, thereby preventing the bending of the telescopic plate 509 from affecting the movement of the arc strip 504.
[0027] Reference Figure 5The diffusion structure 6 includes a support rod 601 fixedly connected to the inner wall of the air inlet pipe 2, and a bearing 602 is fixedly connected to the support rod 601. The support rod 601 is used to fix the bearing 602. The inner shaft of the bearing 602 is fixedly connected to an air expansion blade 603. The bearing 602 is used to realize the rotation of the air expansion blade 603. The rotation of the air expansion blade 603 can diffuse the air, thereby preventing the air from blowing only to one side of the filter element body 3. One end of the air expansion blade 603 is fixedly connected to a connecting rod 604. The rotation of the air expansion blade 603 is used to Drive the rotation of the connecting rod 604, and the connecting bar 605 is fixedly connected to the connecting rod 604. The rotation of the connecting rod 604 is used to drive the rotation of the connecting bar 605. The connecting bar 605 is rotatably connected to a cleaning rod 606. The outer wall of the cleaning rod 606 fits the interior of the filter element body 3. The rotation of the connecting bar 605 can drive the rotation of the cleaning rod 606. The rotation of the cleaning rod 606 can clean the impurities adhered to the inner wall of the filter element body 3, so as to avoid clogging of the filter element body 3 and extend the service life of the filter element body 3.
[0028] Reference Figure 1 and Figure 6 The dust collecting structure 7 includes a dust collecting box 701 arranged at the bottom of the filter element body 3, and the dust collecting box 701 is used to collect impurities. A first connecting plate 702 is fixedly connected to the dust collecting box 701, and a second connecting plate 703 is fixedly connected to the outer wall of the filter element body 3. A bolt 704 is arranged on the first connecting plate 702, and the bolt 704 is used to connect the second connecting plate 703 and the first connecting plate 702 together. The bolt 704 passes through the second connecting plate 703, and one end of the bolt 704 passing through the second connecting plate 703 is threadedly connected with a nut 705. The nut 705 cooperates with the second connecting plate 703 and the first connecting plate 702 through the cooperation with the bolt 704, so as to realize the disassembly of the dust collecting box 701, and one side of the nut 705 is fitted with the second connecting plate 703. A dust collecting funnel 706 is arranged inside the dust collecting box 701, and the dust collecting funnel 706 is used to collect impurities so that the impurities fall into the interior of the dust collecting box 701.
[0029] Reference Figure 6 and Figure 7 A slot 707 is provided at the bottom of the dust collecting funnel 706, and a support plate 708 is fixedly connected to the inner wall of the dust collecting box 701. A plug rod 709 is fixedly connected to the top of the support plate 708, and the plug rod 709 is adapted to the slot 707 provided on the dust collecting funnel 706. The coordinated use of the slot 707, the support plate 708 and the plug rod 709 can realize the disassembly of the dust collecting funnel 706. When the user needs to clean the impurities inside the dust collecting box 701, the dust collecting funnel 706 can be disassembled to make the discharge port above the dust collecting box 701 leak out, thereby facilitating the cleaning of the impurities inside the dust collecting box 701.
[0030] Reference Figure 7 A protrusion 710 is fixedly connected to the inner bottom of the dust box 701, and the protrusion 710 is used to move impurities that fall into the dust box 701 to the periphery of the dust box 701. The movement of impurities to the periphery of the dust box 701 can avoid excessive accumulation of the device, thereby avoiding blockage of the collection port of the dust collecting funnel 706.
[0031] Reference Figure 2 and Figure 8 A protective ring 8 is fixedly connected to the inside of the air intake pipe 2, and one side of the protective ring 8 is in contact with one side of the filter element body 3. The protective ring 8 is used to seal the threaded connection between the filter element body 3 and the air intake pipe 2 to prevent dust inside the air from entering the threaded connection between the filter element body 3 and the air intake pipe 2, thereby preventing the entry of dust from affecting the disassembly of the filter element body 3, thereby avoiding affecting the cleaning and maintenance of the device.
[0032] Reference Figure 2 One end of the protective tube 1 away from the air inlet pipe 2 is fixedly connected to an air collecting hood 9, one end of the air collecting hood 9 is fixed to one end of the flow control valve 4, and the air collecting hood 9 is used to collect air to prevent the air from entering the flow control valve 4 too slowly, thereby avoiding affecting the overall filtering effect of the device.
[0033] Working principle: like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the anti-air overflow filter element, when the user uses the filtering device, if the flow rate controlled during use is large, the controller controls the flow control valve 4 and the air guide structure 5, and the flow control valve 4 will reduce the inflow of air after rotation, so as to prevent excessive inflow of air. At the same time, the controller will control the motor 506 to drive the threaded rod 507 to rotate, and the rotation of the threaded rod 507 will drive the slider 508 and the telescopic plate 509 to move. The movement of the telescopic plate 509 will cause the arc strip 504 to push and flip the push plate 503, and the rotation of the push plate 503 will drive the rotating rod 502 and the air guide member 501 to flip, so that the air guide member 501 forms a relatively inclined plate after flipping, so that when the air passes through the flow control valve 4, the inclined plate formed by the air guide member 501 will further block the blocking part of the ball to the valve body channel. At this time, the air flows along the inclined plate through the channel leaked by the ball and flows into the next stage, thereby preventing the air from blocking the flow control valve 4. The air diffuser 603 rotates under the push of the air, and the rotation of the air diffuser 603 diffuses the air, thereby preventing the air from blowing only to one side of the filter element body 3. At the same time, the air diffuser 603 causes the cleaning rod 606 to rotate when rotating, and the impurities adhered to the inner wall of the filter element body 3 are cleaned by the cleaning rod 606, thereby preventing the filter element body 3 from being blocked and extending the service life of the filter element body 3. The impurities cleaned by the cleaning rod 606 will fall into the dust box 701 through the dust collecting funnel 706. After the filter has been used for a period of time, the user can disassemble the dust box 701 by disassembling the bolts 704 and the nuts 705, so as to clean the impurities inside the dust box 701, thereby avoiding affecting the collection effect of the dust box 701 on the impurities inside the filter element body 3.
[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. An air flow prevention filter element, comprising a protection tube (1), characterized in that: The inner wall of the protection tube (1) is fixedly connected to an air intake pipe (2), one end of the air intake pipe (2) is detachably connected to a flow control valve (4), one end of the air intake pipe (2) away from the flow control valve (4) is threadedly connected to a filter element body (3), and one end of the filter element body (3) is provided with a dust collecting structure (7); The inner wall of the air intake pipe (2) is provided with a diffusion structure (6); An air guide structure (5) is provided at one end of the flow control valve (4) away from the air inlet pipe (2); The air guide structure (5) comprises an air guide member (501) rotatably connected to the flow control valve (4), the top of the air guide member (501) being fixedly connected to a rotating rod (502), the top of the rotating rod (502) being fixedly connected to a push plate (503), an outer wall of the flow control valve (4) being slidably connected to an arc strip (504), a side of the arc strip (504) close to the rotating rod (502) being provided with a limiting groove (505), and the outer wall of the flow control valve (4) being fixedly connected to a motor (5 06), the rotating shaft of the motor (506) is fixedly connected to a threaded rod (507), the outer wall of the threaded rod (507) is threadedly connected to a slider (508), the outer wall of the slider (508) is fixedly connected to a telescopic plate (509), the telescopic end of the telescopic plate (509) is hinged to the top of the arc strip (504), the flow control valve (4) is fixedly connected to a torsion spring (510) via a groove, and one end of the torsion spring (510) is fixedly connected to the outer wall of the rotating rod (502).
2. The air flow prevention filter element according to claim 1, characterized in that: One end of the threaded rod (507) away from the motor (506) is fixedly connected to a limit ring (511).
3. The air flow prevention filter element according to claim 1, characterized in that: The diffusion structure (6) comprises a support rod (601) fixedly connected to the inner wall of the air inlet pipe (2), the support rod (601) being fixedly connected to a bearing (602), the inner shaft of the bearing (602) being fixedly connected to an air diffuser blade (603), one end of the air diffuser blade (603) being fixedly connected to a connecting rod (604), the connecting rod (604) being fixedly connected to a connecting strip (605), the connecting strip (605) being rotatably connected to a cleaning rod (606), the outer wall of the cleaning rod (606) being in contact with the interior of the filter element body (3).
4. The air flow prevention filter element according to claim 1, characterized in that: The dust collecting structure (7) comprises a dust collecting box (701) arranged at the bottom of the filter element body (3); a first connecting plate (702) is fixedly connected to the dust collecting box (701); a second connecting plate (703) is fixedly connected to the outer wall of the filter element body (3); a bolt (704) is arranged on the first connecting plate (702); the bolt (704) passes through the second connecting plate (703); one end of the bolt (704) passing through the second connecting plate (703) is threadedly connected to a nut (705); one side of the nut (705) is in contact with the second connecting plate (703); and a dust collecting funnel (706) is arranged inside the dust collecting box (701).
5. The air flow prevention filter element according to claim 4, characterized in that: A slot (707) is provided at the bottom of the dust collecting funnel (706); a support plate (708) is fixedly connected to the inner wall of the dust collecting box (701); an insertion rod (709) is fixedly connected to the top of the support plate (708); the insertion rod (709) is adapted to fit the slot (707) provided in the dust collecting funnel (706).
6. The air flow prevention filter element according to claim 4, characterized in that: A protrusion (710) is fixedly connected to the inner bottom of the dust collecting box (701).
7. The air flow prevention filter element according to claim 1, characterized in that: A protective ring (8) is fixedly connected to the interior of the air intake pipe (2), and one side of the protective ring (8) is in contact with one side of the filter element body (3).
8. The air flow prevention filter element according to claim 1, characterized in that: One end of the protection pipe (1) away from the air inlet pipe (2) is fixedly connected to an air collecting hood (9), and one end of the air collecting hood (9) is fixed to one end of the flow control valve (4).