CN216077514U

CN216077514U - Novel air pre-filter for air compressor

Info

Publication number: CN216077514U
Application number: CN202121922771.8U
Authority: CN
Inventors: 程鑫
Original assignee: Shandong Sangba Energy Technology Co ltd
Current assignee: Shandong Sangba Energy Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-18
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a novel air prefilter for an air compressor, which comprises a machine body and a filtering device arranged on the machine body, wherein an air inlet pipe is arranged at one side of the machine body, an air inlet channel is fixedly sleeved on the outer surface of the air inlet pipe, the filtering device comprises a filtering frame, a filtering net is fixedly arranged at one end of the filtering frame through a screw, a built-in net is arranged at the other end of the filtering frame, a cleaning assembly is fixedly arranged between the built-in net and the filtering net, the cleaning assembly comprises two screw rods, and through the matched use of a scraper, the filtering net, movable carbon and the like, the thread blocks moving in opposite directions drive the scraper to scrape the surface of the filtering net so as to achieve the effect of cleaning the surface of the filtering net, the built-in net is clamped in the air inlet pipe through a connecting block, the dust in the cleaning process can be conveniently treated by the activated carbon in the built-in net, and the pre-adsorption of the impurities remained in the air can be conveniently carried out, the processing effect of the device is improved.

Description

Novel air pre-filter for air compressor

Technical Field

The utility model relates to the technical field of measuring devices, in particular to a novel air prefilter for an air compressor.

Background

All will pass through the filtration before gaseous entering into the air compressor machine, the entrance of air compressor machine all is provided with air cleaner and filters the gas that enters into the air compressor machine. The filter element of the air filter is usually carbon fiber filter paper, and due to the requirement of the air compressor on the gas quality and the limit of the dust containing amount of the filter paper, the filter element of the filter needs to be frequently replaced, so that the cost is high, and particularly in the heavily polluted environment with much dust, the filter element replacement frequency is higher, and the cost is higher. Therefore, in many air compressors, an air pre-filter is added in front of an air filter to pre-filter air entering the air filter, so as to filter large-particle impurities in the air, reduce the frequency of replacing filter elements in the air filter and reduce the use cost.

The existing air pre-filter is not convenient to clean the interior of the air pre-filter, the air pre-treatment effect is poor, dust and dirt on the surface of a filter screen cannot be effectively cleaned, the air pre-filter is difficult to disassemble, and therefore the novel air pre-filter for the air compressor is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel air pre-filter for an air compressor, and aims to solve the technical problems that the air pre-filter has poor pretreatment effect and cannot effectively clean dust and dirt on the surface of a filter screen in the background.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel air prefilter for an air compressor comprises a machine body and a filtering device arranged on the machine body, wherein an air inlet pipe is arranged on one side of the machine body, an air inlet channel is fixedly sleeved on the outer surface of the air inlet pipe, the filtering device comprises a filtering frame, a filter screen is fixedly arranged at one end of the filtering frame through screws, a built-in screen is arranged at the other end of the filtering frame, a cleaning assembly is fixedly arranged between the built-in screen and the filter screen and comprises two screw rods, the two screw rods are rotatably arranged on the filtering frame, the thread directions of the outer surfaces at two axial sides of the two screw rods are opposite, thread blocks are sleeved on the outer sides of two ends of the two screw rods in a threaded manner, two mutually parallel scraping plates are vertically arranged between the two screw rods, and two ends of each scraping plate are respectively fixed on block bodies of the two thread blocks which are positioned on the two screw rods and have flush heights, one side of scraper blade with the relative one side in close contact with of filter screen, the both sides of crossing the filter stand are equipped with sliding assembly, sliding assembly is used for will crossing the filter stand locking and fixing on the organism.

Preferably, the two ends of the built-in net are fixedly provided with L-shaped connecting blocks, the two connecting blocks are fixedly connected with the corresponding inner walls of the filter frame, and the built-in net is internally provided with activated carbon.

Preferably, the sliding assembly comprises a pushing block, block grooves in sliding fit with the pushing block are formed in two sides of the filter frame, a rectangular frame is fixedly arranged in each block groove, an elastic rod is arranged in each rectangular frame, one end, far away from each rectangular frame, of each elastic rod is elastically connected with one corresponding end of the corresponding pushing block, and grooves clamped with the pushing block are formed in two corresponding sides of the air inlet channel respectively.

Preferably, the bottom end of the filter frame is provided with a slot parallel to the scraper, a collection box is slidably mounted in the slot, and the collection box is located under the filter screen.

Preferably, the top end of the screw rod penetrates through the filter frame and is fixedly connected with the rotating rod, a limiting block is further fixedly arranged on the rod shaft surface of the screw rod, and the limiting block is located in the middle of the screw rod.

Preferably, the specific shape of the push block is Z-shaped, one end of the push block is slidably inserted into the concave part of the groove, and a stop block is fixedly arranged on the surface of the other end of the push block.

Compared with the prior art, the utility model has the beneficial effects that:

1. the scraper blade that uses through the cooperation of the scraper blade that sets up, filter screen and activity charcoal etc. the screw thread piece that moves in opposite directions drives the scraper blade and scribbles the scraping to the surface of filter screen, reaches the effect to filter screen surface clearance, through linking up the piece with built-in net block in the air intake pipe, the activated carbon in the convenient built-in net is handled the dust of clearance in-process, is convenient for carry out the pre-absorption to remaining impurity in the air, has improved the treatment effect of device.

2. The push block is used with the cooperation of elastic rod, can make the one end fixed clamping of push block in the recess, is convenient for be in the same place filter frame is whole fixed with inlet channel, collects the box and is used for collecting the dust after the clearance.

Drawings

Fig. 1 is a schematic structural diagram of a novel air pre-filter for an air compressor according to the present invention.

Fig. 2 is an exploded view of the novel air pre-filter for an air compressor.

Fig. 3 is a partially cut-away view of the filter frame from another perspective.

In the figure: 1. a body; 12. an air intake passage; 121. a groove; 13. an air inlet pipe; 2. a filtration device; 21. a filter frame; 22. a collection box; 23. a slot; 24. filtering with a screen; 25. cleaning the assembly; 251. a rotating rod; 252. a thread block; 253. a squeegee; 254. a screw; 255. a limiting block; 26. activated carbon; 27. a joining block; 3. a sliding assembly; 31. a push block; 32. blocking; 33. a rectangular frame; 34. an elastic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel air prefilter for an air compressor comprises a machine body 1 and a filtering device 2 installed on the machine body 1, wherein an air inlet pipe 13 is arranged on one side of the machine body 1, an air inlet channel 12 is fixedly sleeved on the outer surface of the air inlet pipe 13, the filtering device 2 comprises a filtering frame 21, a filtering screen 24 is fixedly installed at one end of the filtering frame 21 through screws, a built-in screen is installed at the other end of the filtering frame 21, a cleaning component 25 is fixedly installed between the built-in screen and the filtering screen 24, the cleaning component 25 comprises two screws 254, the two screws 254 are rotatably installed on the filtering frame 21, the thread turning directions of the outer surfaces at the two axial sides of the two screws 254 are opposite, thread blocks 252 are sleeved on the outer sides of the two ends of the two screws 254 in a threaded manner, two mutually parallel scraping plates 253 are vertically arranged between the two screws 254, the two ends of each scraping plate 253 are respectively fixed on the block bodies of the two thread blocks 252 which are positioned on the two screws 254 and are flush in height, one side of scraper 253 and filter screen 24's relative one side in close contact with, the both sides of filtering frame 21 are equipped with sliding assembly 3, sliding assembly 3 is used for fixing filtering frame 21 locking on organism 1, set up filter screen 24 and built-in net through the both ends at filtering frame 21, be convenient for carry out double-deck filtration to the air, drive screw 254 rotates, thereby two screw blocks 252 that drive screw 254 surface screw thread cup joint rotate, because the screw thread of screw 254 axial both sides surface revolves to opposite, so two screw blocks 252 synchronous phase shift, the screw block 252 of removal and then drive scraper 253 synchronous shift, make scraper 253 scribble the surface of filter screen 24 and scrape, reach the effect to filter screen 24 surface clearance.

Built-in both ends fixed mounting that nets has the linking piece 27 that is the L shape, and two link up the corresponding inner wall fixed connection that the piece 27 all with crosses filter stand 21, and install active carbon 26 in the built-in net, built-in net can slidable mounting be in intake pipe 13, the convenience is filtered the slight impurity that enters into in intake pipe 13, under active carbon 26's use, is convenient for adsorb the air after filtering, guarantees that leading-in air is pure.

The sliding assembly 3 comprises a pushing block 31, block grooves matched with the pushing block 31 in a sliding mode are formed in two sides of the filter frame 21, a rectangular frame 33 is fixedly arranged in the block grooves, an elastic rod 34 is arranged in the rectangular frame 33, one end, far away from the rectangular frame 33, of the elastic rod 34 is elastically connected with the corresponding end of the pushing block 31, grooves 121 clamped with the pushing block 31 are formed in two corresponding sides of the air inlet channel 12 respectively, through the sliding pushing block 31, under the action of the elastic rod 34, one end of the pushing block 31 can be fixedly clamped in the grooves 121, and the filter frame 21 is conveniently fixed together with the air inlet channel 12.

The bottom end of the filter frame 21 is provided with a slot 23 parallel to the scraper 253, a collecting box 22 is slidably mounted in the slot 23, the collecting box 22 is located under the filter screen 24, the collecting box 22 is used for collecting the cleaned dust, and the collecting box 22 is pulled by force to slide out of the slot 23 so as to be taken out of the collected dust conveniently.

The top end of the screw 254 penetrates through the filter frame 21 and is fixedly connected with the rotating rod 251, the rod shaft surface of the screw 254 is further fixedly provided with a limiting block 255, the limiting block 255 is located in the middle of the screw 254, the rotating rod 251 is rotated through adjustment, the fixedly connected screw 254 is driven to rotate, power can be provided for cleaning equipment, excessive movement of the limiting block 255 is limited, and mutual collision between the two scraping plates 253 is prevented.

The concrete shape of ejector pad 31 is the zigzag, and the one end of ejector pad 31 slides and inserts the concave part department of establishing at recess 121, and the other end fixed surface of ejector pad 31 is provided with block 32, and ejector pad 31 uses with the cooperation of recess 121, can effectively prevent the removal of filter frame 21, and block 32 is convenient for people's effective slip, makes things convenient for people to promote ejector pad 31 fast.

The working principle is as follows: when the air pre-filter is used, when an operator simply cleans an installed air pre-filter, the screw rod 254 is driven to rotate by adjusting the rotating rod 251, so that the two thread blocks 252 sleeved on the surface of the screw rod 254 are driven to rotate, because the thread rotating directions of the outer surfaces of the two axial sides of the screw rod 254 are opposite, the two thread blocks 252 synchronously move towards each other, the moved thread blocks 252 further drive the scraping plate 253 to synchronously move, the scraping plate 253 scrapes the surface of the filter screen 24, the effect of cleaning the surface of the filter screen 24 is achieved, the collecting box 22 is used for collecting cleaned dust, then the collecting box 22 is pulled by force to slide out of the slot 23, the collected dust is convenient to take out, some dust possibly enters the air inlet pipe 13 in the cleaning process, the built-in net installed at the other end of the filter frame 21 is convenient to filter fine impurities entering the air inlet pipe 13, under activated carbon 26's use, be convenient for adsorb the air after filtering, the air purity in the leading-in air compressor that advances has been guaranteed, when needs are cleared up air prefilter is whole, through the ejector pad 31 that upwards slides, under the effect of elastic rod 34, the ejector pad 31 that makes the removal drives the synchronous rebound of elastic rod 34, can make in the recess 121 of the one end roll-off block of ejector pad 31, be convenient for with the whole separation with inlet channel 12 of filter rack 21, and finally, horizontal migration filter rack 21, make its surface roll-off along inlet channel 12, be convenient for clear up air prefilter is inside, the result of use of device has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The novel air prefilter for the air compressor is characterized by comprising a machine body (1) and a filtering device (2) installed on the machine body (1), wherein an air inlet pipe (13) is arranged on one side of the machine body (1), an air inlet channel (12) is sleeved on the outer surface of the air inlet pipe (13), the filtering device (2) comprises a filtering frame (21), a filter screen (24) is fixedly installed at one end of the filtering frame (21) through a screw, a built-in net is installed at the other end of the filtering frame (21), a cleaning assembly (25) is fixedly installed between the built-in net and the filter screen (24), the cleaning assembly (25) comprises two screw rods (254), the two screw rods (254) are rotatably installed on the filtering frame (21), the thread turning directions of the outer surfaces on the two axial sides of the two screw rods (254) are opposite, and thread blocks (252) are sleeved on the outer sides of the two ends of the two screw rods (254), two perpendicular scraper blade (253) that are parallel to each other that are provided with between screw rod (254), every the both ends of scraper blade (253) are fixed respectively and are located two on screw rod (254) and the block of high two screw thread blocks (252) that flush mutually, one side of scraper blade (253) with the relative one side in close contact with of filter screen (24), the both sides of filtering frame (21) are equipped with sliding assembly (3), sliding assembly (3) are used for fixing filtering frame (21) locking on organism (1).

2. The novel air pre-filter for air compressor of claim 1, characterized in that: the both ends fixed mounting of built-in net has the piece (27) that links up that is L shape, two link up piece (27) all with the corresponding inner wall fixed connection of filter rack (21), just install active carbon (26) in the built-in net.

3. The novel air pre-filter for air compressor of claim 1, characterized in that: the sliding assembly (3) comprises a pushing block (31), two sides of the filter frame (21) are provided with block grooves matched with the pushing block (31) in a sliding mode, a rectangular frame (33) is fixedly arranged in the block grooves, elastic rods (34) are arranged in the rectangular frame (33), one ends of the elastic rods (34) far away from the rectangular frame (33) are elastically connected with corresponding ends of the pushing block (31), and grooves (121) clamped with the pushing block (31) are respectively formed in the corresponding two sides of the air inlet channel (12).

4. The novel air pre-filter for air compressor of claim 1, characterized in that: the bottom end of the filter frame (21) is provided with a slot (23) parallel to the scraper (253), a collection box (22) is arranged in the slot (23) in a sliding manner, and the collection box (22) is positioned under the filter screen (24).

5. The novel air pre-filter for air compressor of claim 1, characterized in that: the top end of the screw rod (254) penetrates through the filter frame (21) and is fixedly connected with a rotating rod (251), a limiting block (255) is further fixedly arranged on the rod shaft surface of the screw rod (254), and the limiting block (255) is located in the middle of the screw rod (254).

6. The novel air pre-filter for air compressor of claim 3, characterized in that: the specific shape of the push block (31) is Z-shaped, one end of the push block (31) is slidably inserted into the concave part of the groove (121), and a stop block (32) is fixedly arranged on the surface of the other end of the push block (31).