CN216878359U

CN216878359U - Roots blower filtering device

Info

Publication number: CN216878359U
Application number: CN202220448002.7U
Authority: CN
Inventors: 张永增
Original assignee: Zhangqiu De'an Machinery Manufacturing Co ltd
Current assignee: Zhangqiu De'an Machinery Manufacturing Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-05
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a Roots blower filtering device, belonging to the technical field of Roots blowers; the method comprises the following steps: the main part filter equipment, sweep the dirt device, main part filter equipment prevents that the dust from entering into roots's fan, sweeps the dirt device and prevents that the dust from concreteing on the filter screen surface and plugging up the filter screen, sweeps the dirt device and arranges main part filter equipment top in, main part filter equipment includes casing, end cover, filter screen, the casing is hollow cylinder tube structure, is provided with the through-hole of vertical direction in the casing, and the casing top is arranged in to the end cover spiro union, and the end cover top is the square, and the filter screen is inlayed in the end cover top, and the through-hole of filter screen and casing corresponds the setting, drives the dust that the brush removed the filter screen surface through the motor, prevents that the filter screen from blockking up, can collect the dust, prevents that the dust from spilling out, convenient to use, easy operation.

Description

Roots blower filtering device

Technical Field

The utility model relates to a Roots blower filtering device, and belongs to the technical field of Roots blowers.

Background

The Roots blower belongs to a positive displacement blower, a rotary compressor which compresses and conveys gas by utilizing two leaf-shaped rotors to move relatively in a cylinder is utilized, the existing Roots blower filtering device blocks dust and water vapor through a filter screen, the surface of the filter screen is easy to solidify dust after long-time use, the filter screen is blocked, and the work of the Roots blower is influenced.

The publication number CN211039029U discloses a Roots blower filtering device, which comprises a Roots blower, wherein an air inlet of the Roots blower is connected with an air inlet pipe, a first boss for receiving a filter cartridge is welded on the inner wall of the air inlet pipe, the upper end and the lower end of the filter cartridge are both in an open shape, a bottom cover is in threaded connection with the lower end face of the filter cartridge, two groups of supporting rods are fixedly connected to the upper end of each supporting rod, a supporting block is fixedly connected to the upper end of each supporting rod, a second boss is welded on the inner wall of the filter cartridge, and the air is subjected to twice filtering and once adsorption through a primary filter screen cylinder, a high-efficiency filter screen cylinder and an active carbon filter plate, so that granular impurities in the air can be filtered, peculiar smell pigments in the air are adsorbed, and dust particles in the air are prevented from entering the Roots blower to cause abrasion to internal parts of the Roots blower; the cartridge filter, just imitate filter screen section of thick bamboo, high efficiency filter screen section of thick bamboo and the equal detachable installation of active carbon filter, the later stage clean maintenance of being convenient for, but do not solve the problem that the filter screen surface concreties the dust easily, blocks up the filter screen.

SUMMERY OF THE UTILITY MODEL

The Roots blower filtering device provided by the utility model can solve the problem that dust is easy to solidify on the surface of a filter screen and the filter screen is blocked.

In order to solve the problems, the utility model provides the following technical scheme: a Roots blower filter device comprises: the dust removal device comprises a main body filtering device and a dust sweeping device, wherein the main body filtering device prevents dust from entering the Roots blower, the dust sweeping device prevents the dust from being solidified on the surface of a filter screen to block the filter screen, the dust sweeping device is arranged at the top of the main body filtering device, the main body filtering device comprises a shell, an end cover and the filter screen, the shell is of a hollow cylindrical structure, a through hole in the vertical direction is formed in the shell, the end cover is screwed on the top of the shell, the top of the end cover is square, the filter screen is embedded in the top of the end cover, and the filter screen and the through hole of the shell are correspondingly arranged;

the dust sweeping device comprises a motor, a movable frame, a brush plate, a guide rod and a rotating rod, the bottom of the end cover is provided with a fixed block, the motor is arranged at the bottom of the fixed block, the motor is arranged in the shell, an output shaft of the motor penetrates through the fixed block and the end cover, one end of the rotating rod is rotatably connected and arranged on the output shaft of the motor, the other end of the rotating rod is provided with a sliding block, the sliding block is of a cylindrical structure, two groups of limiting plates are symmetrically arranged on the edge of the top of the end cover, the movable frame is arranged between the two groups of limiting plates, two ends of the movable frame are respectively attached to the inner walls of the limiting plates on two sides to form a sliding structure, the moving frame is provided with a through hole which is a long round hole, the sliding block is inserted in the through hole, the outer diameter of the sliding block is consistent with the inner diameter of the through hole, one end of the guide rod is arranged on the side wall of the moving frame, the guide rod is suspended above the end cover, the other end of the guide rod is provided with a brush plate, the bottom of the brush plate is provided with a brush, and the brush is attached to the top of the end cover;

the side wall of the end cover is provided with a dust collecting box, the dust collecting box is obliquely arranged on the inner wall of one side, which is attached to the side wall of the end cover, the other side of the dust collecting box is of an arc-shaped structure and is bent to the upper part of the end cover, the top of the dust collecting box is provided with an opening, and the bottom of the opening is coplanar with the top of the end cover;

the length of the rotating rod is smaller than that of the guide rod, and the top of the rotating rod and the bottom of the guide rod are coplanar;

the brush plate is a strip-shaped plate, and two ends of the brush plate are respectively attached to the limiting plates on two sides to form a sliding structure;

the motor is externally connected with a timing switch;

the length of the through hole is twice that of the rotary rod;

the direction of the limiting plate is consistent with that of the guide rod.

The utility model has the beneficial effects that:

firstly, a motor drives a brush to sweep away dust on the surface of a filter screen, so that the filter screen is prevented from being blocked;

secondly, dust can be collected, and the dust is prevented from scattering;

thirdly, the use is convenient and the operation is simple.

Drawings

FIG. 1 is a schematic structural diagram of a Roots blower filtering device according to the utility model.

FIG. 2 is a top view of a Roots blower filter assembly of the present invention.

1. Moving the frame; 2. rotating the rod; 3. a fixed block; 4. an end cap; 5. a motor; 6. a housing; 7. a dust collecting box; 8. a brush; 9. brushing the board; 10. a guide bar; 11. filtering with a screen; 12. a limiting plate; 13. a through hole; 14. a slide block.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in fig. 1, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

According to the illustrations of FIGS. 1-2: the utility model provides a Roots blower filtering device, which comprises: the dust sweeping device is arranged at the top of the main body filtering device and comprises a shell, an end cover 4 and a filter screen 11, wherein the shell is of a hollow cylindrical structure, a through hole 13 in the vertical direction is formed in the shell, the end cover 4 is in threaded connection with the top of the shell, the top of the end cover 4 is square, the filter screen 11 is embedded at the top of the end cover 4, and the filter screen 11 and the through hole 13 of the shell are correspondingly arranged;

the dust sweeping device comprises a motor 5, a moving frame 1, a brush plate 9, a guide rod 10 and a rotary rod 2, wherein a fixed block 3 is arranged at the bottom of an end cover 4, the motor 5 is arranged at the bottom of the fixed block 3, the motor 5 is arranged in a shell, an output shaft of the motor 5 penetrates through the fixed block 3 and the end cover 4, one end of the rotary rod 2 is rotatably connected to the output shaft of the motor 5, a slider 14 is arranged at the other end of the rotary rod 2, the slider 14 is of a cylinder structure, two groups of limiting plates 12 are symmetrically arranged at the top edge of the end cover 4, the moving frame 1 is arranged between the two groups of limiting plates 12, the two ends of the moving frame 1 are respectively attached to the inner walls of the limiting plates 12 at the two sides to form a sliding structure, the moving frame 1 is provided with a through hole 13, the through hole 13 is a long round hole, the slider 14 is inserted in the through hole 13, the outer diameter of the slider 14 is consistent with the inner diameter of the through hole 13, one end of the guide rod 10 is arranged on the side wall of the moving frame 1, the guide rod 10 is suspended above the end cover 4, the other end of the guide rod 10 is provided with a brush plate 9, the bottom of the brush plate 9 is provided with a brush 8, and the brush 8 is attached to the top of the end cover 4;

the side wall of the end cover 4 is provided with a dust collecting box 7, the dust collecting box 7 is obliquely arranged by being attached to the inner wall of one side of the side wall of the end cover 4, the other side of the dust collecting box 7 is of an arc-shaped structure and is bent to the upper part of the end cover 4, the top of the dust collecting box 7 is provided with an opening, and the bottom of the opening is coplanar with the top of the end cover 4, so that dust is convenient to collect;

the length of the rotating rod 2 is smaller than that of the guide rod 10, the top of the rotating rod 2 and the bottom of the guide rod 10 are coplanar, and when the guide rod 10 moves to the rotating rod 2, the rotating rod 2 is prevented from being influenced by the brush 8 and being incapable of rotating;

the brush plate 9 is a strip-shaped plate, two ends of the brush plate 9 are respectively attached to the limiting plates 12 on two sides to form a sliding structure, and the influence of the brush plate 9 on air flow is reduced;

the motor 5 is externally connected with a timing switch, so that the motor 5 is prevented from being rotated all the time to influence the work of the Roots blower;

the length of the through hole 13 is twice that of the rotating rod 2, so that the sliding block 14 is always attached to the inner wall of the through hole 13;

the direction of the limiting plate 12 is consistent with that of the guide rod 10, so that the guide rod 10 is prevented from deviating.

The principle of the utility model is as follows: during the use, overlap the casing on roots's fan's tuber pipe, roots's fan work, external air enters into in the casing through filter screen 11, filter screen 11 filters the dust, the dust is piled up at filter screen 11 top, motor 5 is regularly worked, motor 5 drives rotary rod 2 and rotates, slider 14 removes in through-hole 13, it slides on limiting plate 12 to drive removal frame 1, make guide arm 10 drive brush 8 sweep the ash to filter screen 11 surface, rotary rod 2 is rotatory around motor 5 output shaft this moment, guide arm 10 is along limiting plate 12's direction rectilinear movement, and push away the dust in dust collection box 7, dust collection box 7 collects the dust, prevent the dust effluvium, thereby reach and sweep the dust on filter screen 11 surface, prevent the mesh of filter screen 11 jam.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a roots's fan filter equipment which characterized in that: the dust sweeping device is arranged at the top of the main body filtering device, the main body filtering device comprises a shell, an end cover (4) and a filter screen (11), the shell is of a hollow cylindrical structure, a through hole (13) in the vertical direction is formed in the shell, the end cover (4) is in threaded connection with the top of the shell, the top of the end cover (4) is square, the filter screen (11) is embedded at the top of the end cover (4), and the filter screen (11) and the through hole (13) of the shell are correspondingly arranged;

the dust sweeping device comprises a motor (5), a moving frame (1), a brush plate (9), a guide rod (10) and a rotary rod (2), wherein a fixed block (3) is arranged at the bottom of an end cover (4), the motor (5) is arranged at the bottom of the fixed block (3), the motor (5) is arranged in a shell, an output shaft of the motor (5) penetrates through the fixed block (3) and the end cover (4), one end of the rotary rod (2) is rotatably connected to an output shaft of the motor (5), a sliding block (14) is arranged at the other end of the rotary rod (2), the sliding block (14) is of a cylindrical structure, two groups of limiting plates (12) are symmetrically arranged at the top edge of the end cover (4), the moving frame (1) is arranged between the two groups of limiting plates (12), the two ends of the moving frame (1) are respectively attached to the inner walls of the limiting plates (12) at the two sides, a sliding structure is formed, a through hole (13) is formed in the moving frame (1), the through hole (13) is a long round hole, the sliding block (14) is inserted into the through hole (13), the outer diameter of the sliding block (14) is consistent with the inner diameter of the through hole (13), one end of the guide rod (10) is arranged on the side wall of the movable frame (1), the guide rod (10) is suspended above the end cover (4), the other end of the guide rod (10) is provided with the brush plate (9), the bottom of the brush plate (9) is provided with the brush (8), and the brush (8) is attached to the top of the end cover (4).

2. The roots blower filter device according to claim 1, wherein: the dust collection box (7) is arranged on the side wall of the end cover (4), the dust collection box (7) is attached to the inner wall of one side of the side wall of the end cover (4) in an inclined mode, the other side of the dust collection box (7) is of an arc-shaped structure and is bent to the position above the end cover (4), an opening is formed in the top of the dust collection box (7), and the bottom of the opening is coplanar with the top of the end cover (4).

3. The roots blower filter device according to claim 1, wherein: the length of the rotating rod (2) is smaller than that of the guide rod (10), and the top of the rotating rod (2) and the bottom of the guide rod (10) are coplanar.

4. The roots blower filter device according to claim 1, wherein: the brush plate (9) is a strip-shaped plate, and the two ends of the brush plate (9) are respectively attached to the limiting plates (12) on the two sides to form a sliding structure.

5. The roots blower filter device according to claim 1, wherein: the motor (5) is externally connected with a timing switch.

6. The roots blower filter device according to claim 1, wherein: the length of the through hole (13) is twice that of the rotating rod (2).

7. The roots blower filter device according to claim 1, wherein: the direction of the limiting plate (12) is consistent with that of the guide rod (10).