Low-resistance high-efficiency air filter

Abstract

The utility model discloses a low-resistance high-efficiency air filter in the field of high-efficiency air filters, which comprises a shell, barrier strips, a filter element, a cover plate, a cleaning mechanism and a connecting mechanism, the barrier strips are fixedly connected to the rear parts of the left side and the right side of an inner cavity of the shell, the filter element is movably connected to the front part of the inner cavity of the shell, and the cover plate is fixedly connected to the front part of the inner cavity of the shell. The cover plate is fixedly connected to the front side of the shell through the connecting mechanism, and the cleaning mechanism is fixedly connected to the rear portion between the left side and the right side of an inner cavity of the shell. According to the low-resistance efficient air filter, a reciprocating lead screw is driven to rotate through starting of a driving motor, and a sliding block reciprocates through limitation of a limiting rod; the cleaning brush is driven to reciprocate to clean the filter element, so that dust accumulation at an inlet is avoided, influence on air passing efficiency is avoided, air resistance is reduced, the filtering effect is improved, swept dust enters the collecting box, and centralized collection and treatment are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of high-efficiency air filters, in particular to a low-resistance high-efficiency air filter. Background Art

[0002] High-efficiency air filters are mainly used to capture dust particles larger than 0.5um and various suspended matter. Air purifiers are mainly composed of filter elements and shells. The basic requirements are high filtration efficiency, low flow resistance, and continuous use for a long time to reduce the cost of later consumables. Low-resistance high-efficiency air filters use imported low-resistance filter materials. Compared with ordinary high-efficiency filters, they have the advantages of low resistance, high efficiency, and light weight. They are suitable for purifying ambient air under normal temperature and pressure conditions.

[0003] After long-term use, the current low-resistance high-efficiency air filter will cause a lot of dust to accumulate at the air inlet of the filter, thereby reducing the efficiency of air passage, increasing air resistance, and reducing the filtering effect. For this reason, we propose a low-resistance high-efficiency air filter. Utility Model Content

[0004] The utility model aims to provide a low-resistance high-efficiency air filter to solve the problem raised in the above background technology that after long-term use, the current low-resistance high-efficiency air filter will accumulate a lot of dust at the air inlet, increase the air resistance and reduce the filtering effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-resistance high-efficiency air filter, comprising a shell, a baffle, a filter element, a cover plate, a cleaning mechanism and a connecting mechanism, wherein the baffle is fixedly connected to the rear of the left and right sides of the inner cavity of the shell, the filter element is movably connected to the front of the inner cavity of the shell, the cover plate is fixedly connected to the front side of the shell through the connecting mechanism, the cleaning mechanism is fixedly connected to the rear between the left and right sides of the inner cavity of the shell, the cleaning mechanism comprises a reciprocating screw, a limit rod, a slider, a cleaning brush, a driving motor, a discharge port, a T-slot, a T-block and a collection box, the shell A reciprocating screw rod is rotatably connected to the middle part of the rear between the left and right sides of the inner cavity of the shell through a sealed bearing, the top and bottom of the rear between the left and right sides of the inner cavity of the shell are fixedly connected to a limiting rod, the outer side of the reciprocating screw rod is slidably connected to a slider through a screw rod seat, the left and right parts of the front side of the slider are fixedly connected to a cleaning brush, the middle part of the right rear part of the shell is fixedly connected to a driving motor, a discharge port is penetrated through the bottom rear part of the shell, a T-slot is provided in the middle of the front and rear sides of the discharge port, a T-block is slidably connected to the inside of the T-slot, and a collection box is fixedly connected between the opposite sides of the T-blocks at the front and rear.

[0006] As a further description of the above technical solution:

[0007] The front side of the cleaning brush is tightly fitted with the rear side of the filter element, and the sliding block is slidably connected to the outer side wall of the limiting rod.

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

[0009] The input end of the driving motor is electrically connected to the output end of the external power supply, and the output shaft end of the driving motor is fixedly connected to the right end of the reciprocating screw rod.

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

[0011] A sealing rubber pad is fixedly connected to the top of the collection box, and the outer side wall of the T-shaped block is fitted with the inner side wall of the T-shaped groove.

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

[0013] The connecting mechanism includes an L-shaped plate, a slot, an installation cavity, a return spring, a connecting plate and a block. The left and right parts of the front side of the shell are fixedly connected with the L-shaped plate, the middle part of the opposite sides of the L-shaped plate is penetrated with a slot, the middle part of the left and right parts inside the cover plate is provided with an installation cavity, the middle part of the mutually close sides of the installation cavities of the left and right parts is fixedly connected with a return spring, the mutually distant ends of the return springs of the left and right parts are fixedly connected with a connecting plate, and the middle part of the mutually distant sides of the connecting plates of the left and right parts is fixedly connected with a block.

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

[0015] The connecting plate is slidably engaged with the interior of the installation cavity, and the outer side wall of the connecting plate is in contact with the inner side wall of the installation cavity.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The low-resistance high-efficiency air filter starts the driving motor to drive the reciprocating screw to rotate, and uses the limit rod to limit the slider to move back and forth, driving the cleaning brush to move back and forth to clean the filter element, thereby avoiding dust accumulation at the entrance, avoiding affecting the efficiency of air passage, reducing air resistance, and improving the filtering effect. The swept dust enters the collection box for convenient centralized collection and treatment.

[0018] 2. When the filter element of the low-resistance high-efficiency air filter needs to be replaced, the card block is pressed to make the card block exit the card slot, the cover plate is pulled to move the cover plate out from between the L-shaped plates, the filter element is removed, and then a new one is installed, the card block is pressed again to shrink the card block in the installation cavity, the reset spring is squeezed, and the cover plate is placed between the L-shaped plates. When the card block is aligned with the card slot, the card block is reset by the reset spring to be embedded in the card slot, and the cover plate is fixed to complete the replacement, thereby making the replacement simpler and more convenient, saving time and effort, improving the replacement efficiency, and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a low-resistance high-efficiency air filter proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the installation structure of a cleaning brush for a low-resistance high-efficiency air filter proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of a discharge port of a low-resistance high-efficiency air filter proposed by the utility model;

[0022] Figure 4 The utility model provides a schematic diagram of the connection mechanism of a low-resistance high-efficiency air filter.

[0023] In the figure: 100, housing; 200, baffle; 300, filter element; 400, cover plate; 500, cleaning mechanism; 510, reciprocating screw; 520, limit rod; 530, slider; 540, cleaning brush; 550, drive motor; 560, discharge port; 570, T-slot; 580, T-block; 590, collecting box; 600, connecting mechanism; 610, L-plate; 620, slot; 630, mounting cavity; 640, reset spring; 650, connecting plate; 660, block. DETAILED DESCRIPTION

[0024] 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.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a low-resistance high-efficiency air filter to avoid dust accumulation at the entrance, avoid affecting the efficiency of air passing, reduce air resistance, improve filtering effect, and the swept dust enters the collection box for convenient centralized collection and treatment. Please refer to Figure 1-4 , including a housing 100, a baffle 200, a filter element 300, a cover plate 400, a cleaning mechanism 500 and a connecting mechanism 600;

[0028] Please refer again Figure 1 , the housing 100 is used to install the baffle 200, the filter element 300, the cover plate 400, the cleaning mechanism 500 and the connecting mechanism 600;

[0029] Please refer again Figure 1 The blocking bar 200 is fixedly connected to the rear of the left and right sides of the inner cavity of the housing 100 to limit the filter element 300. The filter element 300 is movably connected to the front of the inner cavity of the housing 100. The cover plate 400 is fixedly connected to the front side of the housing 100 through the connecting mechanism 600 to protect and block the filter element 300. The cleaning mechanism 500 is fixedly connected to the rear between the left and right sides of the inner cavity of the housing 100.

[0030] Please refer again Figure 2-3The cleaning mechanism 500 includes a reciprocating screw rod 510, a limiting rod 520, a slider 530, a cleaning brush 540, a driving motor 550, a discharge port 560, a T-slot 570, a T-block 580 and a collection box 590;

[0031] Please refer again Figure 2 A reciprocating screw 510 is rotatably connected to the middle of the rear part between the left and right sides of the inner cavity of the housing 100 through a sealed bearing, and a limit rod 520 is fixedly connected to the top and bottom of the rear part between the left and right sides of the inner cavity of the housing 100. A slider 530 is slidably connected to the outer side of the reciprocating screw 510 through a screw seat, and a cleaning brush 540 is fixedly connected to the left and right parts of the front side of the slider 530. A driving motor 550 is fixedly connected to the middle of the right rear part of the housing 100;

[0032] Please refer again Figure 3 A discharge port 560 is provided through the rear bottom of the housing 100, a T-slot 570 is provided in the middle of the front and rear sides of the discharge port 560, a T-block 580 is slidably connected inside the T-slot 570, and a collection box 590 is fixedly connected between the opposite sides of the front and rear T-blocks 580.

[0033] To summarize, by starting the drive motor 550, the reciprocating screw 510 is driven to rotate, and the limit rod 520 is utilized to limit the slider 530 to move back and forth, driving the cleaning brush 540 to move back and forth to clean the filter element 300, thereby avoiding dust accumulation at the entrance, avoiding affecting the efficiency of air passage, reducing air resistance, and improving the filtering effect. The swept dust enters the collection box 590 for convenient centralized collection and processing.

[0034] Please refer again Figure 2 The front side of the cleaning brush 540 is tightly fitted with the rear side of the filter element 300 , and the slider 530 is slidably connected to the outer wall of the limiting rod 520 .

[0035] Please refer again Figure 2 The input end of the driving motor 550 is electrically connected to the output end of the external power supply, and the output shaft end of the driving motor 550 is fixedly connected to the right end of the reciprocating screw rod 510.

[0036] Please refer again Figure 3 A sealing rubber pad is fixedly connected to the top of the collection box 590 , and the outer wall of the T-block 580 fits with the inner wall of the T-slot 570 .

[0037] Please refer again Figure 4The connecting mechanism 600 includes an L-shaped plate 610, a slot 620, an installation cavity 630, a return spring 640, a connecting plate 650 and a block 660. The left and right parts of the front side of the housing 100 are fixedly connected with the L-shaped plate 610, and the middle part of the opposite sides of the L-shaped plate 610 is penetrated by a slot 620. The middle part of the left and right parts of the inner part of the cover plate 400 is provided with an installation cavity 630. The middle part of the mutually close sides of the installation cavities 630 of the left and right parts is fixedly connected with a return spring 640. The ends of the return springs 640 of the left and right parts are fixedly connected with a connecting plate 650, and the middle part of the mutually distant sides of the connecting plates 650 of the left and right parts is fixedly connected with a block 660.

[0038] Please refer again Figure 4 The connecting plate 650 is slidably engaged with the interior of the mounting cavity 630 , and the outer wall of the connecting plate 650 is in contact with the inner wall of the mounting cavity 630 .

[0039] To summarize, when the filter element 300 needs to be replaced, press the block 660 to make the block 660 withdraw from the slot 620, pull the cover plate 400 to move the cover plate 400 out from between the L-shaped plates 610, disassemble the filter element 300, and then install a new one, press the block 660 again to shrink the block 660 in the installation cavity 630, squeeze the reset spring 640, and place the cover plate 400 between the L-shaped plates 610. When the block 660 is aligned with the slot 620, the reset spring 640 resets the block 660 to be embedded in the slot 620, fix the cover plate 400, and complete the replacement, thereby making the replacement simpler and more convenient, saving time and effort, improving the replacement efficiency, and improving the practicality of the device.

[0040] In specific use, when the air output of the filter is reduced, the technical personnel in this field start the drive motor 550, and by starting the drive motor 550, the reciprocating screw rod 510 is driven to rotate, and the slider 530 is restricted by the limit rod 520 to move back and forth, driving the cleaning brush 540 to move back and forth, and the filter element 300 is cleaned, and the swept dust enters the collection box 590, and then the collection box 590 is pulled to pour out the dust, and the T-block 580 is aligned with the T-slot 570, and the collection box 590 is pushed to install it. When replacing, press the block 660 to make the block 660 withdraw from the slot 620, pull the cover 400 to move the cover 400 out from between the L-shaped plates 610, disassemble the filter element 300, and then install the new one, press the block 660 again to shrink the block 660 in the installation cavity 630, squeeze the reset spring 640, place the cover 400 between the L-shaped plates 610, and when the block 660 is aligned with the slot 620, the reset spring 640 resets the block 660 to embed it in the slot 620, fix the cover 400, and complete the replacement.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A low resistance high efficiency air filter, characterized in that: The invention comprises a housing (100), a stop bar (200), a filter element (300), a cover plate (400), a cleaning mechanism (500) and a connecting mechanism (600), wherein the stop bar (200) is fixedly connected to the rear part of the left and right sides of the inner cavity of the housing (100), the filter element (300) is movably connected to the front part of the inner cavity of the housing (100), the cover plate (400) is fixedly connected to the front side of the outer cavity (100) through the connecting mechanism (600), the cleaning mechanism (500) is fixedly connected to the rear part between the left and right sides of the inner cavity of the housing (100), the cleaning mechanism (500) comprises a reciprocating screw rod (510), a limiting rod (520), a sliding block (530), a cleaning brush (540), a driving motor (550), a discharge port (560), a T-shaped slot (570), a T-shaped block (580) and a collecting box (590), and the housing A reciprocating screw (510) is rotatably connected to the middle of the rear part between the left and right sides of the inner cavity of the housing (100) through a sealed bearing, a limiting rod (520) is fixedly connected to the top and bottom of the rear part between the left and right sides of the inner cavity of the housing (100), a slider (530) is slidably connected to the outer side of the reciprocating screw (510) through a screw seat, a cleaning brush (540) is fixedly connected to the left and right parts of the front side of the slider (530), a driving motor (550) is fixedly connected to the middle of the right rear part of the housing (100), a discharge port (560) is opened through the bottom rear part of the housing (100), a T-slot (570) is opened in the middle of the front and rear sides of the discharge port (560), a T-block (580) is slidably connected to the inside of the T-slot (570), and a collection box (590) is fixedly connected between the opposite sides of the T-block (580) at the front and rear parts.

2. A low resistance high efficiency air filter according to claim 1, characterized in that: The front side of the cleaning brush (540) is tightly fitted to the rear side of the filter element (300), and the sliding block (530) is slidably connected to the outer side wall of the limiting rod (520).

3. A low resistance high efficiency air filter according to claim 1, characterized in that: The input end of the driving motor (550) is electrically connected to the output end of the external power supply, and the output shaft end of the driving motor (550) is fixedly connected to the right end of the reciprocating screw rod (510).

4. A low resistance high efficiency air filter according to claim 1, characterized in that: A sealing rubber pad is fixedly connected to the top of the collection box (590), and the outer side wall of the T-shaped block (580) is in contact with the inner side wall of the T-shaped slot (570).

5. A low resistance high efficiency air filter according to claim 1, characterized in that: The connecting mechanism (600) comprises an L-shaped plate (610), a slot (620), a mounting cavity (630), a return spring (640), a connecting plate (650) and a block (660); the left and right parts of the front side of the housing (100) are fixedly connected with the L-shaped plate (610); the middle part of the opposite sides of the L-shaped plate (610) is provided with a slot (620); the middle part of the left and right parts of the cover plate (400) is provided with a mounting cavity (630); the middle part of the mutually approaching sides of the mounting cavities (630) of the left and right parts is fixedly connected with the return spring (640); the mutually distant ends of the return spring (640) of the left and right parts are fixedly connected with the connecting plate (650); and the middle part of the mutually distant sides of the connecting plates (650) of the left and right parts is fixedly connected with the block (660).

6. A low resistance high efficiency air filter according to claim 5, characterized in that: The connecting plate (650) is slidably engaged with the interior of the installation cavity (630), and the outer wall of the connecting plate (650) is in contact with the inner wall of the installation cavity (630).

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