CN219722298U

CN219722298U - Air filter

Info

Publication number: CN219722298U
Application number: CN202320497685.XU
Authority: CN
Inventors: 蒋上华
Original assignee: Guangdong Minghui Construction Engineering Co ltd
Current assignee: Guangdong Minghui Construction Engineering Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-09-22
Anticipated expiration: 2033-03-14

Abstract

The utility model relates to the technical field of air filters, in particular to an air filter, which comprises a shell, wherein one end of the outer side of the shell is fixedly provided with a suction fan, the inlet end of the suction fan is fixedly provided with an air inlet pipe, the other end of the outer side of the shell is fixedly provided with an air outlet pipe, the inner side of the shell is fixedly provided with a plurality of clamping seats, the clamping seats are distributed at equal intervals along the length direction of the shell, the inner sides of the clamping seats are respectively and slidably provided with a filter element, and the top of the shell is detachably provided with a sealing mechanism for sealing the top end of the filter element. The utility model can seal the top of the shell, and effectively avoid the problem that the sealing cover plate is sent by the action of air pressure.

Description

Air filter

Technical Field

The utility model relates to the technical field of air filters, in particular to an air filter.

Background

The air filter is a device for capturing dust from a gas-solid two-phase flow by the action of a porous filter material and purifying the gas, and is generally used for dust prevention in clean workshops, clean factories, laboratories and clean rooms, or in electronic mechanical communication devices and the like. Along with the development of society, the production is more and more intelligent and safer, and the national index requirements on industrial production are also more and more high, so that an air filter is needed in a dust-free workshop; when the traditional air filter is used, the air can not be sufficiently filtered, the use effect is poor, the filter screen in the air filter is inconvenient to clean, and the filter screen is easy to block after long-term use;

in this regard, chinese patent application No. CN201921180505.5 discloses an air filter for dust-free workshops, which comprises a housing with an upward opening, wherein an air inlet pipe is arranged at a position close to the upper end on one side of the exterior of the housing, an air outlet pipe is arranged at a position close to the bottom on the other side of the exterior of the housing, a connecting plate matched with the housing is arranged at the upper end on the exterior of the housing, a groove is arranged in the middle of the connecting plate, a rectangular through hole I communicated with the housing is arranged in the middle of the groove, a cavity is inserted in the rectangular through hole I, and a cover body matched with the groove is arranged at the upper end of the cavity;

the "lid" of this patent is fixed through two "fixed plates", and two "fixed plates" apply horizontal direction's force to "lid", although can be fixed "lid", after "casing" inside import gas, gas can act on "lid", and "lid" receives ascending effort this moment, and this just makes "lid" can appear becoming flexible to gas leakage, and then leads to gas to discharge without filtering.

Disclosure of Invention

The utility model provides an air filter for solving the defect that a cover body is easy to move in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the design of the air filter comprises a shell, wherein one end of the outer side of the shell is fixedly provided with a suction fan, the inlet end of the suction fan is fixedly provided with an air inlet pipe, the other end of the outer side of the shell is fixedly provided with an air outlet pipe, the inner side of the shell is fixedly provided with a clamping seat, and the inner side of the clamping seat is slidingly provided with a filtering piece; the top of the housing is detachably provided with a sealing mechanism to seal against the top end of the filter element.

Preferably, the filter member includes a filter plate, an activated carbon plate and a fiber plate; the activated carbon plate is fixedly arranged between the filter plate and the fiber board.

Preferably, the sealing mechanism comprises a mounting seat, a sealing cover plate, a handle and two limiting pieces; the mounting seat is fixedly arranged at the top of the shell, the sealing cover plate is slidably arranged on the inner side of the mounting seat, the handle is fixedly arranged at the top of the sealing cover plate, and the two limiting parts are respectively arranged at two ends of the mounting seat so as to limit the sealing cover plate.

Preferably, the limiting piece comprises a sliding rod, a wedge block, a pull block and a spring; the sliding rod penetrates through the side wall of the mounting seat and is in sliding connection with the mounting seat, the wedge-shaped block is fixedly arranged at one end of the sliding rod and can be in contact with the sealing cover plate, the pull block is fixedly arranged at the other end of the sliding rod, and the spring is sleeved on the sliding rod and is located on the inner side of the mounting seat.

Preferably, the inner wall of the mounting seat is provided with a storage groove matched with the wedge block, and the wedge block can slide in the storage groove.

Preferably, a cleaning mechanism is arranged in the shell, and comprises a reciprocating screw, a sliding block, a hairbrush plate and a limiting block; the reciprocating screw is rotatably arranged on the inner side of the shell, the sliding block is arranged on the corresponding reciprocating screw in a threaded manner, the hairbrush plate is fixedly arranged on the sliding block and is in contact with the corresponding filtering piece, and the limiting block is fixedly arranged on the top end of the reciprocating screw.

Preferably, the cleaning mechanism further comprises a plurality of worm gears, a worm and a motor; the worm wheels are respectively and fixedly arranged at the bottom ends of the corresponding reciprocating screws, the motor is fixedly arranged at the bottom of the shell, the output shaft is fixedly connected with the worm, and the worm wheels are respectively and fixedly arranged at the bottom ends of the corresponding reciprocating screws and meshed with the worm.

The air filter provided by the utility model has the beneficial effects that:

1. the sealing cover plate is limited by the wedge-shaped block, so that the top of the shell can be sealed, and the problem that the sealing cover plate is sent under the action of air pressure is effectively avoided;

2. the worm is enabled to rotate through the starting motor, the worm wheel is enabled to drive the reciprocating screw to rotate, the sliding block is enabled to reciprocate up and down along the reciprocating screw, the hairbrush plate is enabled to slide up and down on the filter, the filter can be cleaned, and the problem that dust particles block the filter is effectively avoided.

Drawings

FIG. 1 is a schematic view of an air filter according to the present utility model;

FIG. 2 is a schematic view showing an internal structure of an air filter according to the present utility model;

FIG. 3 is a schematic structural view of a sealing mechanism of an air filter according to the present utility model;

FIG. 4 is a schematic view of a limiting member of an air filter according to the present utility model;

fig. 5 is a schematic structural view of a cleaning mechanism of an air filter according to the present utility model.

In the figure: the air intake pipe 3, the sealing mechanism 4, the mounting seat 41, the sealing cover plate 42, the handle 43, the limiting piece 44, the sliding rod 441, the wedge block 442, the pull block 443, the spring 444, the accommodating groove 445, the air outlet pipe 5, the clamping seat 6, the filtering piece 7, the filtering plate 71, the activated carbon plate 72, the fiber plate 73, the cleaning mechanism 8, the reciprocating screw 81, the sliding block 82, the brush plate 83, the limiting piece 84, the worm wheel 85, the worm 86 and the motor 87.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1:

referring to fig. 1-4, an air filter comprises a shell 1, wherein a suction fan 2 is fixedly arranged at one end of the outer side of the shell 1, an air inlet pipe 3 is fixedly arranged at the inlet end of the suction fan 2, an air outlet pipe 5 is fixedly arranged at the other end of the outer side of the shell 1, a plurality of clamping seats 6 are fixedly arranged at the inner side of the shell 1, the clamping seats 6 are distributed at equal intervals along the length direction of the shell 1, and filtering pieces 7 are slidably arranged at the inner sides of the clamping seats 6; the top of the housing 1 is detachably provided with a sealing mechanism 4 to seal against the top end of the filter 7; the filter element 7 comprises a filter plate 71, an activated carbon plate 72 and a fibre plate 73; the activated carbon plate 72 is fixedly installed between the filter plate 71 and the fiberboard 73; the filter plate 71 can filter large-volume dust particles, the activated carbon plate 72 can absorb some harmful gases, and the fiber plate 73 can filter small-particle dust; the suction fan 2 is used for sucking workshop dust gas into the shell 1, filtering the workshop dust gas through a plurality of filtering pieces 7 and finally exhausting the workshop dust gas through the air outlet pipe 5, so that dust filtering is completed.

The sealing mechanism 4 comprises a mounting seat 41, a sealing cover plate 42, a handle 43 and two limiting pieces 44; the mounting seat 41 is fixedly arranged at the top of the shell 1, the sealing cover plate 42 is slidably arranged at the inner side of the mounting seat 41, the handle 43 is fixedly arranged at the top of the sealing cover plate 42, and the two limiting pieces 44 are respectively arranged at the two ends of the mounting seat 41 so as to limit the sealing cover plate 42; the sealing cover 42 seals the top of the housing 1, and when the sealing cover 42 is disengaged from the housing 1, all the filter elements 7 can be removed from the top of the housing 1 for replacement or cleaning.

The limiting piece 44 comprises a sliding rod 441, a wedge 442, a pull 443 and a spring 444; the sliding rod 441 penetrates through the side wall of the mounting seat 41 and is in sliding connection with the mounting seat 41, the wedge-shaped block 442 is fixedly arranged at one end of the sliding rod 441 and can be in contact with the sealing cover plate 42, the pull block 443 is fixedly arranged at the other end of the sliding rod 441, and the spring 444 is sleeved on the sliding rod 441 and is positioned at the inner side of the mounting seat 41; the inner wall of the mounting seat 41 is provided with a receiving groove 445 matched with the wedge block 442, and the wedge block 442 can slide in the receiving groove 445.

When the sealing cover plate 42 is in operation, the sealing cover plate 42 is placed on the inner side of the mounting seat 41, so that the sealing cover plate 42 acts on the wedge block 442 to be accommodated in the accommodating groove 445, at the moment, the spring 444 is extruded to accumulate elastic potential energy, and when the sealing cover plate 42 is positioned at the bottom of the wedge block 442, the spring 444 releases the potential energy, so that the wedge block 442 can limit the sealing cover plate 42, the top of the shell 1 can be sealed, and the problem that the sealing cover plate 42 is sent under the action of air pressure is effectively avoided;

when the sealing cover plate 42 needs to be removed, the sliding rod 441 drives the wedge block 442 to move into the accommodating groove 445 by acting on the pull block 443 outwards, so that the wedge block 442 is completely separated from the sealing cover plate 42, the sealing cover plate 42 is released from the restriction, the sealing cover plate 42 can be directly taken out through the handle 43, and the filter element 7 can be conveniently taken out for replacement or cleaning.

Example 2:

referring to fig. 5, as another preferred embodiment of the present utility model, a cleaning mechanism 8 is installed in a housing 1, the cleaning mechanism 8 including a reciprocating screw 81, a slider 82, a brush plate 83, a worm 86 and a stopper 84; the reciprocating screw 81 is rotatably installed inside the casing 1, two ends of the brush plate 83 are respectively in lifting sliding connection with the inner wall of the casing 1, the sliding block 82 is arranged on the reciprocating screw 81 in a threaded manner, the brush plate 83 is fixedly arranged on the sliding block 82 and is in contact with the filter element 7, and the limiting block 84 is fixedly arranged at the top end of the reciprocating screw 81; the motor 87 is fixedly installed at the bottom of the casing 1, the output shaft is fixedly connected with the worm 86, the worm wheel 85 is fixedly installed at the bottom end of the corresponding reciprocating screw 81 and meshed with the worm 86, and the worm 86 is rotatably arranged at the bottom of the casing 1.

The worm 86 is enabled to rotate by the starting motor 87, the worm wheel 85 drives the reciprocating screw 81 to rotate, the brush plate 83 is limited to rotate without following, the sliding block 82 moves up and down along the reciprocating screw 81 in a reciprocating manner, the brush plate 83 slides up and down on the filter element 7, the filter element 7 can be cleaned, and the problem that dust particles block the filter element 7 is effectively avoided.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The air filter comprises a shell (1) and is characterized in that one end of the outer side of the shell (1) is fixedly provided with a suction fan (2), the inlet end of the suction fan (2) is fixedly provided with an air inlet pipe (3), the other end of the outer side of the shell (1) is fixedly provided with an air outlet pipe (5), the inner side of the shell (1) is fixedly provided with a clamping seat (6), and the inner side of the clamping seat (6) is slidably provided with a filtering piece (7); the top of the shell (1) is detachably provided with a sealing mechanism (4) for sealing the top end of the filter element (7).

2. An air filter according to claim 1, characterized in that the filter element (7) comprises a filter plate (71), an activated carbon plate (72) and a fibre plate (73); the activated carbon plate (72) is fixedly arranged between the filter plate (71) and the fiber plate (73).

3. An air filter according to claim 2, wherein the sealing mechanism (4) comprises a mounting seat (41), a sealing cover plate (42), a handle (43) and two limiting members (44); the mounting seat (41) is fixedly mounted at the top of the shell (1), the sealing cover plate (42) is slidably mounted at the inner side of the mounting seat (41), the handle (43) is fixedly mounted at the top of the sealing cover plate (42), and the two limiting pieces (44) are mounted at two ends of the mounting seat (41) respectively to limit the sealing cover plate (42).

4. An air filter according to claim 3, wherein the limit piece (44) comprises a slide bar (441), a wedge block (442), a pull block (443) and a spring (444); the sliding rod (441) penetrates through the side wall of the mounting seat (41) and is in sliding connection with the mounting seat (41), the wedge-shaped block (442) is fixedly arranged at one end of the sliding rod (441) and can be in contact with the sealing cover plate (42), the pull block (443) is fixedly arranged at the other end of the sliding rod (441), and the spring (444) is sleeved on the sliding rod (441) and is located at the inner side of the mounting seat (41).

5. An air filter according to claim 4, wherein the inner wall of the mounting seat (41) is provided with a receiving groove (445) matched with the wedge-shaped block (442), and the wedge-shaped block (442) can slide in the receiving groove (445).

6. An air filter according to claim 4 or 5, characterized in that a cleaning mechanism (8) is installed in the housing (1), the cleaning mechanism (8) comprising a reciprocating screw (81), a slider (82), a brush plate (83) and a stopper (84); the reciprocating screw (81) is rotatably arranged on the inner side of the shell (1), the sliding block (82) is arranged on the reciprocating screw (81) in a threaded mode, the brush plate (83) is fixedly arranged on the sliding block (82) and is in contact with the filtering piece (7), and the limiting block (84) is fixedly arranged on the top end of the reciprocating screw (81).

7. The air filter according to claim 6, wherein the cleaning mechanism (8) further comprises a worm wheel (85), a worm (86) and a motor (87); the motor (87) is fixedly arranged at the bottom of the shell (1), the output shaft is fixedly connected with the worm (86), and the worm wheel (85) is fixedly arranged at the bottom end of the reciprocating screw (81) and meshed with the worm (86).