CN218151692U - Front-mounted filtering device - Google Patents

Abstract

The utility model discloses a pre-filter device, which relates to the technical field of air suspension fans, and comprises an air suspension fan. The top of the air suspension fan is fixedly connected with a front filter box, and the top of the front filter box is installed with a front The filter plate is placed inside the front filter box, and the positioning assembly used in conjunction with the front filter plate is installed inside the utility model. The protective effect prolongs the service life of the whole. It is equipped with a pre-filter assembly. By installing the chute, the first filter and the second filter, it realizes multi-stage gas filtration treatment. It runs through the vibration motor to reduce frequent manual maintenance. The number of times, it is equipped with dust collection box, dust collection tank, scraper placement box and scraper, when it is necessary to clean the surface of the pre-filter plate, and at the same time reduce the need to disassemble the whole during maintenance, which reduces the labor intensity and the overall The structure is simple and easy to operate.

Description

A pre-filter device

technical field

The utility model relates to the technical field of air suspension fans, in particular to a pre-filter device.

Background technique

The existing air-suspended centrifugal blower reduces the noise source generated by its mechanical operation by covering it with a box outside. An air inlet is arranged on its casing, and the air inlet is usually provided with a filter screen.

Chinese patent announcement number CN 213392894 U discloses a filter device for the air intake of an air suspension blower, including a box body, a box door is hinged at the front end of the box body, and an air inlet is opened at the front end of the box door, and the air inlet runs through the front and rear ends of the box door. In addition, a filter screen is installed in the air inlet, and a detection frame is fixedly installed at the rear end of the box door. There is a through groove on the detection frame, which runs through the front and rear ends of the detection frame, and the through groove is connected with the air inlet. The detection mechanism has an indicator light fixed on the top of the box body, and a control system is installed in the box door. The control system is located above the air inlet, and the control system is electrically connected to the detection mechanism and the indicator light. The utility model detects whether the filter screen is blocked by the detection mechanism. When the filter screen is blocked, the detection mechanism cannot detect the flow of air and cannot send a signal to the control system. When the control system does not receive the signal, the indicator light cannot be turned on, thereby Remind the operator that the filter needs to be replaced.

The above solution still has the following problems: multiple filtration operations are not performed, so that the quality of the discharged gas cannot meet the requirements, it is more cumbersome when the filter plate needs to be disassembled, and it is inconvenient to perform preliminary cleaning on the surface, which increases manual cleaning Maintenance is labor-intensive, so it is necessary to design a pre-filter device to solve the above-mentioned problems.

Contents of the invention

The purpose of this utility model is to provide a pre-filtering device to solve the problem that multiple filtering operations are not performed in the above-mentioned background technology, so that the quality of the discharged gas cannot meet the requirements, and it is cumbersome when the filter plate needs to be disassembled. At the same time, it is inconvenient to carry out preliminary cleaning on the surface, which increases the labor intensity of manual cleaning and maintenance.

In order to achieve the above purpose, the utility model provides the following technical solutions: a pre-filter device, including an air suspension fan, the top of the air suspension fan is fixedly connected with a pre-filter box, and the top of the pre-filter box is installed with The pre-filter plate, the inside of the pre-filter box is equipped with a positioning assembly for use with the pre-filter plate, the positioning assembly includes positioning bolts and support rods, the bottom of the pre-filter plate is fixedly connected with symmetrically distributed and The support bar extending to the inside of the pre-filter box, the inside of the pre-filter box and the lower part of the support bar are fixedly connected with a positioning plate, and symmetrically distributed positioning bolts are installed on both sides of the pre-filter box, One end of the positioning bolts all extends to the inside of the pre-filter box and is threadedly connected with the support rod. The inside of the pre-filter box is fixedly connected with the pre-filter chamber between the two support rods. The pre-filter The interior of the warehouse is equipped with a pre-filter assembly, the pre-filter assembly includes a first filter net and a second filter net, the inside of the pre-filter warehouse is fixedly connected with a first filter net, and the first filter net A second filter net is fixedly connected to the bottom, and vibrating motors are fixedly connected to the bottoms of the first filter net and the second filter net.

Preferably, the top of the pre-filter box is provided with a chute for placing the pre-filter plate, and the bottom of the pre-filter bin is fixedly connected with conveying pipes distributed equidistantly and extending to the inside of the air suspension fan.

Preferably, a dust collection box is fixedly connected to one side of the front filter box and located below the positioning bolt, and a dust collection groove is opened inside the dust collection box, and the dust collection box is far away from a side of the front filter box. The side is fixedly connected with a scraper placement box, and a scraper is placed inside the scraper placement box.

Preferably, the material of the first filter net is foam air filter material, and the material of the second filter net is natural fiber synthetic material.

Preferably, equidistant springs are fixedly connected to the top of the positioning plate and located directly below the support rod, and damping shock absorbers are installed inside the springs.

Preferably, an indicator light is fixedly connected to the outside of the air suspension fan, and two symmetrically distributed support bases are fixedly connected to the bottom of the air suspension fan.

Preferably, a wireless signal transceiver is fixedly connected to the outside of the air suspension fan and the side away from the indicator light, the inside of the wireless signal transceiver is fixedly connected to a main control board, and the outside of the main control board is fixedly connected to a The control chip, the air suspension fan, the wireless signal transceiver, the indicator light and the vibration motor are all electrically connected with the control chip.

Compared with the prior art, the beneficial effect of the utility model is: a positioning assembly is provided, and when the pre-filter plate needs to be disassembled, the positioning bolt is unscrewed, and the support rod is no longer limited, and the spring and the The damping shock absorber cooperates to slowly push the support rod upwards to assist in the disassembly of the pre-filter plate. At the same time, the spring and the damping shock absorber play a buffering and protective effect during installation, prolonging the overall service life. There is a pre-filter The component, through the installation of the pre-filter plate, the first filter net and the second filter net, realizes the multi-stage gas filtration treatment, and through the operation of the vibration motor, the surface vibration operation is performed on the first filter net and the second filter net to reduce the occurrence of In the case of blockage, reduce the number of frequent manual maintenance. It is equipped with a dust collection box, a dust collection tank, a scraper placement box and a scraper. , scrape the surface of the front filter plate from the side far away from the dust collection box to the dust collection box, and the dust particles are collected through the scraper placement box, which is convenient for later cleaning, and at the same time reduces the need for overall disassembly during maintenance, reducing manual labor Strength, the overall structure is simple and easy to operate.

Description of drawings

Fig. 1 is a three-dimensional view of the overall structure of the utility model;

Fig. 2 is the internal diagram of the structure of the front filter box of the present invention

Figure 3 is an enlarged view of the structure of the positioning assembly of the present invention;

Fig. 4 is an enlarged view of the structure of the pre-filter assembly of the present invention.

In the figure: 1. Air suspension fan; 2. Support seat; 3. Wireless signal transceiver; 4. Indicator light; 5. Pre-filter box; 6. Chute; 7. Pre-filter plate; 8. Pre-filter warehouse; 9. conveying pipeline; 10. positioning assembly; 11. positioning bolt; 12. positioning plate; 13. support rod; 14. spring; 15. damping shock absorber; 16. pre-filter assembly; 18, the second filter screen; 19, the vibration motor; 20, the dust box; 21, the dust tank; 22, the scraper placement box.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1, Figure 2, Figure 3 and Figure 4, the utility model provides a technical solution: a pre-filter device, including an air suspension fan 1, the top of the air suspension fan 1 is fixedly connected with a pre-filter box 5 , the top of the pre-filter box 5 is equipped with a pre-filter plate 7, and the inside of the pre-filter box 5 is equipped with a positioning assembly 10 used in conjunction with the pre-filter plate 7 for normal installation. The positioning assembly 10 includes a positioning bolt 11 and a support Rod 13, the bottom of the pre-filter plate 7 is fixedly connected with a support rod 13 that is symmetrically distributed and extends to the inside of the pre-filter box 5, and the inside of the pre-filter box 5 is fixedly connected with a positioning plate 12 below the support bar 13 , both sides of the front filter box 5 are equipped with symmetrically distributed positioning bolts 11 for positioning, one end of the positioning bolts 11 extends to the inside of the front filter box 5 and is threaded with the support rod 13, the front filter box 5 Inside and between the two support rods 13, there is a pre-filter chamber 8 fixedly connected to cooperate with normal filtration. The interior of the pre-filter chamber 8 is equipped with a pre-filter assembly 16, and the pre-filter assembly 16 includes a first filter screen 17 And the second filter screen 18, carry out multiple filtration, the interior of pre-filter storehouse 8 is fixedly connected with first filter screen 17, the bottom of first filter screen 17 is fixedly connected with second filter screen 18, first filter screen 17 and the first filter screen 17 The bottoms of the two filter screens 18 are fixedly connected with a vibrating motor 19. When in use, when the pre-filter plate 7 needs to be disassembled, the positioning bolt 11 is unscrewed, and the support rod 13 is no longer limited. The spring 14 and the damping shock absorber 15 cooperate to slowly push the support rod 13 upwards to assist in dismantling the pre-filter plate 7. At the same time, the spring 14 and the damping shock absorber 15 play a buffering and protective effect during installation, prolonging the overall life. Service life, by installing the pre-filter plate 7, the first filter screen 17 and the second filter screen 18, the multi-stage gas filtration process is realized, and the first filter screen 17 and the second filter screen 18 are operated by the vibrating motor 19. Perform surface vibration operation to reduce clogging and reduce the number of frequent manual maintenance. When the surface of the pre-filter plate 7 needs to be cleaned, the scraper is taken out from the inside of the scraper placement box 22 and removed from a place far away from the dust box 20. The side dust collecting box 20 scrapes the surface of the pre-filter plate 7, and the dust particles are collected by the scraper placement box 22, which is convenient for later cleaning, and at the same time reduces the need for overall disassembly during maintenance, reduces labor intensity, and the overall structure is simple easy to operate.

Further, the top of the pre-filter box 5 is provided with a chute 6 for the placement of the pre-filter plate 7, and the bottom of the pre-filter chamber 8 is fixedly connected with conveying pipes distributed equidistantly and extending to the inside of the air suspension fan 1 9. Cooperate with normal use.

Further, one side of the pre-filter box 5 is fixedly connected with a dust box 20 below the positioning bolt 11, and the inside of the dust box 20 is provided with a dust collection groove 21, and the dust box 20 is far away from the front filter box 5. One side is fixedly connected with a scraper placement box 22, and a scraper is placed inside the scraper placement box 22. When the surface of the pre-filter plate 7 needs to be cleaned, the scraper is taken out from the scraper placement box 22, and the One side of the dust collection box 20 scrapes the surface of the pre-filter plate 7 toward the dust collection box 20, and the dust particles are collected by the scraper placement box 22, which is convenient for later cleaning, and at the same time reduces the need for overall disassembly during maintenance, reducing labor costs. Labor intensity, the overall structure is simple and easy to operate.

Further, the material of the first filter screen 17 is a foam air filter material, and the material of the second filter screen 18 is a natural fiber synthetic material. By installing the pre-filter plate 7, the first filter screen 17 and the second filter screen 18, Realized multi-stage gas filtration treatment.

Further, the top of the positioning plate 12 is fixedly connected with equidistantly distributed springs 14 directly below the support rod 13, and damping shock absorbers 15 are installed inside the springs 14. The buffer protection effect during installation prolongs the overall service life.

Further, an indicator light 4 is fixedly connected to the outside of the air suspension fan 1, and two symmetrically distributed support bases 2 are fixedly connected to the bottom of the air suspension fan 1 for normal use.

Further, a wireless signal transceiver 3 is fixedly connected to the outside of the air suspension fan 1 and the side away from the indicator light 4, the inside of the wireless signal transceiver 3 is fixedly connected to a main control board, and the outside of the main control board is fixedly connected to a control chip , the air suspension fan 1, the wireless signal transceiver 3, the indicator light 4 and the vibrating motor 19 are all electrically connected with the control chip, realizing the normal operation of the whole.

Specifically, the wireless signal transceiver 3 is connected to the external terminal. The model of the wireless signal transceiver 3 is 18M88WI2000R, and the model of the control chip is M88WI6032D. When the plate 7 is disassembled, by unscrewing the positioning bolt 11, the support rod 13 is no longer limited, and the spring 14 and the damping shock absorber 15 are used to slowly push the support rod 13 upwards to assist in the disassembly of the pre-filter plate 7. At the same time, the spring 14 and the damping shock absorber 15 play a buffering and protective effect during installation, which prolongs the overall service life. By installing the pre-filter plate 7, the first filter screen 17 and the second filter screen 18, the The multi-stage gas filtration treatment is carried out, and the surface vibration operation is performed on the first filter screen 17 and the second filter screen 18 through the operation of the vibration motor 19, so as to reduce the occurrence of clogging and reduce the number of frequent manual maintenance. When the surface is cleaned, the scraper is taken out from the scraper placement box 22, and the surface of the pre-filter plate 7 is scraped toward the dust collection box 20 from the side away from the dust collection box 20, and the dust particles are collected by the scraper placement box 22 , It is convenient for post-cleaning, and at the same time, it reduces the need to disassemble the whole during maintenance, reduces the labor intensity, and the overall structure is simple and easy to operate.

In the description of the present utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "central", "both ends" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the 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 should not be construed as limiting the utility model.

In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the number of indicated technical features, Thus, a feature defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

In this utility model, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation" and "rotation" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A pre-filter device, comprising an air suspension fan (1), characterized in that: the top of the air suspension fan (1) is fixedly connected with a pre-filter box (5), and the pre-filter box (5) ) is equipped with a pre-filter plate (7), and the interior of the pre-filter box (5) is equipped with a positioning assembly (10) used in conjunction with the pre-filter plate (7), and the positioning assembly (10) includes Positioning bolts (11) and support rods (13), the bottom of the pre-filter plate (7) is fixedly connected with support rods (13) that are symmetrically distributed and extend to the inside of the pre-filter box (5), the pre-filter The interior of the filter box (5) and the lower part of the support rod (13) are fixedly connected with a positioning plate (12), and both sides of the front filter box (5) are equipped with symmetrically distributed positioning bolts (11), One end of the positioning bolt (11) extends to the inside of the pre-filter box (5) and is threadedly connected to the support rod (13), and the inside of the pre-filter box (5) is located on the two support rods (13) A pre-filter chamber (8) is fixedly connected between them, and a pre-filter assembly (16) is installed inside the pre-filter chamber (8), and the pre-filter assembly (16) includes a first filter net (17 ) and the second filter screen (18), the inside of the pre-filter chamber (8) is fixedly connected with the first filter screen (17), and the bottom of the first filter screen (17) is fixedly connected with the second filter screen (18), the bottoms of the first filter screen (17) and the second filter screen (18) are fixedly connected with vibration motors (19). 2. A pre-filter device according to claim 1, characterized in that: the top of the pre-filter box (5) is provided with a chute (6) for placing the pre-filter plate (7), The bottoms of the pre-filter chambers (8) are fixedly connected with conveying pipes (9) distributed equidistantly and extending to the inside of the air suspension fan (1). 3. A pre-filter device according to claim 1, characterized in that a dust collection box (20) is fixedly connected to one side of the pre-filter box (5) and located below the positioning bolt (11) , the inside of the dust collection box (20) is provided with a dust collection groove (21), and the side of the dust collection box (20) away from the front filter box (5) is fixedly connected with a scraper placement box (22), A scraper is placed inside the scraper placement box (22). 4. A pre-filter device according to claim 1, characterized in that: the material of the first filter (17) is foam air filter material, and the material of the second filter (18) is natural Fiber synthetic material. 5. A pre-filter device according to claim 1, characterized in that: the top of the positioning plate (12) and directly below the support rod (13) are fixedly connected with equidistant springs (14) , the inside of the spring (14) is equipped with a damping shock absorber (15). 6. A pre-filter device according to claim 1, characterized in that: an indicator light (4) is fixedly connected to the outside of the air suspension fan (1), and the bottom of the air suspension fan (1) is fixed Two symmetrically distributed support seats (2) are connected. 7. A pre-filter device according to claim 6, characterized in that a wireless signal transceiver (3) is fixedly connected to the outside of the air suspension fan (1) and the side away from the indicator light (4) , the inside of the wireless signal transceiver (3) is fixedly connected to a main control board, and the outside of the main control board is fixedly connected to a control chip, the air suspension fan (1), wireless signal transceiver (3), indication Both the lamp (4) and the vibrating motor (19) are electrically connected to the control chip.

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