Screw air compressor

Abstract

The utility model relates to the technical field of screw air compressors, and discloses a screw air compressor which comprises a shell, an air compressor body is arranged at the bottom of the inner wall of the shell through supporting legs, an air pipe is connected to one side of the air compressor body, one end of the air pipe extends to the outer side of the shell, and a filter box is arranged at one end of the air pipe. According to the screw air compressor, the push rod is inserted from the right side of the filter box, so that the push rod pushes the filter assembly on the right side in the filter box, and then the filter assembly located in front of the air pipe is pushed out of the filter box to be cleaned; according to the air purifier, the filtering assembly, originally located on the right side, in the filtering box is pushed to the position in front of the air pipe to filter air, the filtering assembly can be rapidly replaced, the air compressor does not need to be stopped when the filtering assembly is replaced, dust in the air can still be effectively blocked in the process of replacing the filtering assembly, and the air purifying efficiency is improved. And the effect of improving the working efficiency of replacing the filtering assembly of the air compressor is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of screw air compressors, in particular to a screw air compressor. BACKGROUND

[0002] The screw air compressor is a compressor of a screw type, air outside is compressed by cooperation of male and female rotors of the compressor and a shell, then lubricating oil is sprayed to cool the compressed air, an oil-gas mixture is formed, oil-gas separation is carried out by an oil-gas separator, and compressed gas is stored, and the screw air compressor has the advantages of high efficiency and high reliability.

[0003] The existing screw air compressor cannot quickly replace the filter assembly in use, needs to stop the work of the air compressor to replace the filter assembly, and the continuity of the work of the air compressor is affected. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the application provides a screw air compressor which can quickly replace the filter assembly, does not need to stop the work of the air compressor when the filter assembly is replaced, can still effectively block dust in the air during replacement of the filter assembly, improves the work efficiency of replacement of the filter assembly of the air compressor, and solves the problem that the existing screw air compressor cannot quickly replace the filter assembly in use, needs to stop the work of the air compressor to replace the filter assembly, and the continuity of the work of the air compressor is affected.

[0005] In order to achieve the above-mentioned purpose that the filter assembly can be quickly replaced, the work of the air compressor does not need to be stopped when the filter assembly is replaced, and dust in the air can still be effectively blocked during replacement of the filter assembly, and the work efficiency of replacement of the filter assembly of the air compressor is improved, the application provides the following technical scheme: a screw air compressor comprising a shell, an air compressor body is arranged at the bottom of the inner wall of the shell through supporting legs, a wind pipe is connected to one side of the air compressor body, one end of the wind pipe extends to the outside of the shell, a filter box is arranged at one end of the wind pipe, two filter assemblies are arranged in the filter box, the filter assembly comprises a filter plate, the filter plate is arranged in the inner part of a frame, one of the two filter assemblies is located in front of one end of the wind pipe, and the other filter assembly is located at the right side in the filter box, two storage racks are arranged at the bottom of the filter box, and a push rod is inserted into the inner wall of the middle part of the storage rack.

[0006] Through the above scheme, by using the push rod to insert from the right side of the filter box, the push rod pushes the filter assembly on the right side in the filter box, and then pushes the filter assembly in front of the air pipe out to the outside of the filter box for cleaning. The filter assembly originally located on the right side in the filter box is pushed to the front of the air pipe to filter the air. The filter assembly can be quickly replaced, the air compressor does not need to be stopped during the replacement of the filter assembly, and the dust in the air can still be effectively blocked during the replacement of the filter assembly, thereby improving the working efficiency of replacing the filter assembly of the air compressor.

[0007] Further, the filter box is provided with two sealing pads on the two sides of the front wall of the air pipe opening.

[0008] Through the above scheme, the sealing pads can increase the sealing performance of the connection between the frame and the inside of the filter box, so that the air entering from the front of the filter box can not enter the air pipe without being filtered by the filter plate.

[0009] Further, one side of the frame is provided with a guide strip, the front surface and the rear surface of one side of the guide strip are symmetrically and obliquely arranged, and the outer surface of the guide strip is slidably connected with the outer surface of the sealing pad.

[0010] Through the above scheme, the oblique arrangement of the front surface and the rear surface of the guide strip can gradually expand the sealing pad, so that the guide strip can smoothly guide the frame to enter between the two sealing pads.

[0011] Further, two chamfers are arranged in the middle of the front surface and the rear surface of the right side of the inner ring of the frame, and the two chamfers are symmetrically arranged, and the outer surface of the chamfer is slidably connected with the outer surface of the sealing pad.

[0012] Through the above scheme, the chamfer can gradually expand the sealing pad, so that the right side of the frame can smoothly enter between the two sealing pads.

[0013] Further, a sliding groove is arranged at the bottom of the inner wall of the filter box, the inner wall of the sliding groove is slidably connected with the outer surface of the middle of the two sliding strips, and the two sliding strips are arranged below the two frames respectively.

[0014] Through the above scheme, the sliding of the sliding strip in the sliding groove can fix the moving track of the frame, thereby improving the stability of the movement of the filter assembly in the filter box.

[0015] Further, a telescopic rod is arranged on the top of the filter box through a fixing frame, one end of the telescopic inner rod of the telescopic rod extends to the inside of the filter box, the outer surface of the middle of the telescopic inner rod of the telescopic rod is slidably connected with the inner wall of the top of the filter box, one end of the telescopic inner rod of the telescopic rod is provided with a positioning block, and a spring is arranged in the telescopic rod.

[0016] Through the above scheme, the telescopic rod can be quickly reset by the spring, and the positioning block can be quickly inserted into the positioning frame to fix the position of the frame.

[0017] Further, the top of the frame is provided with a guide block, the top outer surface of the guide block is inclined, the guide block is arranged on the right side of the positioning frame, the positioning frame is arranged on the top of the frame, and the middle inner wall of the positioning frame is inserted with the middle outer surface of the positioning block.

[0018] Through the above scheme, the positioning block can be pushed by the inclined surface of the top of the guide block when the filter assembly moves to the left, the height of the positioning block is increased, the positioning frame can be smoothly moved below the positioning block, and then the positioning block can be smoothly inserted into the positioning frame to position the frame.

[0019] Further, the two sides of the inner wall of the two ends of the filter box are symmetrically provided with dustproof brushes.

[0020] Through the above scheme, the dustproof brushes are arranged to prevent dust from entering from the openings at both ends of the filter box, and the filter assembly can expand the dustproof brushes, so that the filter assembly can smoothly enter and push out of the filter box.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The screw air compressor uses the push rod to insert from the right side of the filter box, pushes the filter assembly on the right side in the filter box, and then pushes the filter assembly in front of the air pipe to the outside of the filter box for cleaning. The filter assembly originally located on the right side in the filter box is pushed to the front of the air pipe to filter the air. The filter assembly can be quickly replaced, the air compressor does not need to be stopped during replacement of the filter assembly, and the dust in the air can still be effectively blocked during replacement of the filter assembly, thereby improving the working efficiency of replacing the filter assembly of the air compressor. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0024] Figure 2 It is a front structure schematic diagram of the present application;

[0025] Figure 3 It is a right side sectional structure schematic diagram of the present application;

[0026] Figure 4 It is a front sectional structure schematic diagram of the present application;

[0027] Figure 5 It is a schematic view of the top sectional structure of the present application.

[0028] In the figure:

[0029] 1, shell; 2, air compressor body; 3, air pipe; 4, filter box; 5, filter assembly; 501, filter plate; 502, frame; 6, guide strip; 7, chamfer; 8, slide; 9, sliding groove; 10, guide block; 11, positioning frame; 12, positioning block; 13, telescopic rod; 14, spring; 15, dustproof brush; 16, sealing gasket; 17, storage rack; 18, push rod. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] Please refer to Figure 3 , Figure 4 and Figure 5 , the screw air compressor in the embodiment includes a shell 1, an air compressor body 2 is arranged on the bottom of the inner wall of the shell 1 through supporting feet, an air pipe 3 is connected to one side of the air compressor body 2, one end of the air pipe 3 extends to the outside of the shell 1, a filter box 4 is arranged at one end of the air pipe 3, two filter assemblies 5 are arranged inside the filter box 4, the filter assembly 5 includes a filter plate 501, the filter plate 501 is arranged inside a frame 502, one of the two filter assemblies 5 is located in front of one end of the air pipe 3, and the other filter assembly 5 is located on the right side inside the filter box 4, two storage racks 17 are arranged at the bottom of the filter box 4, and a push rod 18 is inserted into the middle inner wall of the storage rack 17.

[0032] Please refer to Figure 3 and Figure 5 , two sealing gaskets 16 are arranged on the two sides of the front inner wall of the air pipe 3, the two sealing gaskets 16 are in sliding connection with the outer surfaces of the two sides of the frame 502, the sealing gaskets 16 can increase the sealing performance of the connection between the frame 502 and the filter box 4, and can prevent the air entering from the front of the filter box 4 from entering the air pipe 3 without being filtered by the filter plate 501.

[0033] Please refer to Figure 4 and Figure 5, the side of the frame 502 is provided with a guide edge 6, the front surface and the rear surface of one side of the guide edge 6 are symmetrically and obliquely arranged, the outer surface of the guide edge 6 is in sliding connection with the outer surface of the sealing gasket 16, and the guide edge 6 can smoothly guide the frame 502 to enter between the two sealing gaskets 16 through the oblique arrangement of the front surface and the rear surface of the guide edge 6.

[0034] Please refer to Figure 4 and Figure 5 , the middle part of the front surface and the rear surface of the right side of the inner ring of the frame 502 is provided with two chamfers 7, the two chamfers 7 are symmetrically arranged, the outer surface of the chamfer 7 is in sliding connection with the outer surface of the sealing gasket 16, and the chamfer 7 can gradually expand the sealing gasket 16, so that the right side frame of the frame 502 can smoothly enter between the two sealing gaskets 16.

[0035] Please refer to Figure 3 and Figure 4 , the bottom of the inner wall of the filter box 4 is provided with a sliding groove 9, the inner wall of the sliding groove 9 is in sliding connection with the outer surface of the middle part of the two sliding bars 8, and the two sliding bars 8 are arranged below the two frames 502. The sliding bar 8 can fix the movement track of the frame 502 by sliding in the sliding groove 9, thereby improving the stability of the filter assembly 5 moving in the filter box 4.

[0036] Please refer to Figure 2 , Figure 3 and Figure 4 , the top of the filter box 4 is provided with a telescopic rod 13 through a fixing frame, one end of the telescopic inner rod of the telescopic rod 13 extends to the inside of the filter box 4, the outer surface of the middle part of the telescopic inner rod of the telescopic rod 13 is in sliding connection with the inner wall of the top of the filter box 4, one end of the telescopic inner rod of the telescopic rod 13 is provided with a positioning block 12, and the inside of the telescopic rod 13 is provided with a spring 14. The spring 14 can push the telescopic rod 13 to reset quickly, so that the telescopic rod 13 can push the positioning block 12 to quickly insert into the positioning frame 11 to fix the position of the frame 502.

[0037] Please refer to Figure 3 and Figure 4 , the top of the frame 502 is provided with a guide block 10, the top outer surface of the guide block 10 is obliquely arranged, the guide block 10 is arranged on the right side of the positioning frame 11, the positioning frame 11 is arranged on the top of the frame 502, the middle inner wall of the positioning frame 11 is in insertion with the middle outer surface of the positioning block 12. Through the arrangement of the guide block 10, the positioning block 12 can be pushed by the inclined surface of the top of the guide block 10 when the filter assembly 5 moves to the left, the height of the positioning block 12 is increased, the positioning frame 11 can smoothly move below the positioning block 12, and then the positioning block 12 can smoothly insert into the positioning frame 11 to position the frame 502.

[0038] Please refer toFigure 3 、 Figure 4 and Figure 5 The two sides of the inner wall of the two ends of the filter box 4 are symmetrically provided with dustproof brushes 15. The dustproof brushes 15 can prevent dust from entering from the openings of the two ends of the filter box 4. The filter assembly 5 can expand the dustproof brushes 15, so that the filter assembly 5 can be smoothly pushed into and out of the filter box 4.

[0039] In this embodiment, the screw air compressor is inserted from the right side of the filter box 4 by using the push rod 18, the push rod 18 pushes the filter assembly 5 on the right side in the filter box 4, and then pushes the filter assembly 5 in front of the air pipe 3 out to the outside of the filter box 4 for cleaning. The filter assembly 5 originally located on the right side in the filter box 4 is pushed to the front of the air pipe 3 to filter the air. The filter assembly 5 can be quickly replaced, the work of the air compressor does not need to be stopped during the replacement of the filter assembly 5, and the dust in the air can still be effectively blocked during the replacement of the filter assembly 5. The working efficiency of replacing the filter assembly 5 of the air compressor is improved.

[0040] The working principle of the above embodiment is as follows: When the filter plate 501 of the filter assembly 5 working in front of the air duct 3 is dirty and affects the amount of air entering the air compressor body 2 through the air duct 3, the handle on one side of the telescopic inner rod of the telescopic rod 13 is pulled upward, so that the positioning block 12 is pulled out from the positioning frame 11, and the push rod 18 is pulled out from the storage rack 17. One end of the push rod 18 is passed through the dustproof brush 15 on the right side of the filter box 4, so that the push rod 18 is inserted into the filter box 4 from the right side. Pushing the push rod 18 pushes the frame 502 of the filter assembly 5 located on the right side. The filter assembly 5 on the right side will push the filter assembly 5 in front of the air duct 3, so that the filter assembly 5 in front of the air duct 3 is gradually pushed out from the filter box 4 to the left side of the filter box 4. When the guide strip 6 on one side of the frame 502 of the right side contacts the sealing gasket 16, it will gradually expand the two sealing gaskets 16, so that the frame 502 of the filter assembly 5 on the right side can smoothly enter between the two sealing gaskets 16. Continue pushing the filter assembly 5 on the right side. When the chamfer 7 of the right side frame 502 contacts the sealing gasket 16, it will gradually expand the two sealing gaskets 16, allowing the right side frame of the frame 502 to smoothly enter between the two sealing gaskets 16. When the guide block 10 at the top of the right side frame 502 contacts the positioning block 12, it will push the positioning block 12 to move upward, causing the telescopic rod 13 to retract and compress the spring 14 until the filter assembly 5, which was originally located on the right side inside the filter box 4, moves to the front of the air duct 3. At the same time, the corresponding positioning frame 11 moves to the bottom of the positioning block 12. The spring 14 releases and pushes the telescopic rod 13 to extend, pushing the positioning block 12 to insert into the positioning frame 11, positioning the corresponding filter assembly 5. The filter assembly 5 pushed out from the left side of the filter box 4 is taken out for cleaning. After cleaning, the filter assembly 5 is inserted into the filter box 4 from the right side, so that the filter assembly 5 is located on the right side inside the filter box 4, making it convenient for the next replacement of the filter assembly 5.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0042] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary and that changes can be made in detail without departing from the principles and spirit of the application. The scope of the application is therefore defined by the appended claims and their equivalents.

Claims

1. A screw air compressor comprising a housing (1), characterized in that: The bottom of the inner wall of the shell (1) is provided with an air compressor body (2) through a supporting leg, one side of the air compressor body (2) is connected with an air pipe (3), one end of the air pipe (3) extends to the outside of the shell (1), one end of the air pipe (3) is provided with a filter box (4), two filter assemblies (5) are arranged in the filter box (4), the filter assembly (5) comprises a filter plate (501), the filter plate (501) is arranged in the inner frame (502), one of the two filter assemblies (5) is located in front of one end of the air pipe (3), and the other filter assembly (5) is located on the right side in the filter box (4), two storage racks (17) are arranged on the bottom of the filter box (4), and the push rod (18) is inserted into the inner wall of the middle part of the storage rack (17).

2. A screw air compressor as claimed in claim 1, wherein: Two sealing pads (16) are arranged on the two sides of the front inner wall of the air pipe (3), and the two sealing pads (16) are in sliding connection with the outer surfaces of the two sides of the inner frame (502).

3. A screw air compressor as claimed in claim 1, wherein: The guiding edge (6) is arranged on one side of the inner frame (502), the front surface and the rear surface of one side of the guiding edge (6) are symmetrically and obliquely arranged, and the outer surface of the guiding edge (6) is in sliding connection with the outer surface of the sealing pad (16).

4. A screw air compressor as claimed in claim 1, wherein: Two chamfers (7) are arranged on the right side of the front surface and the rear surface of the inner ring of the inner frame (502), the two chamfers (7) are symmetrically arranged, and the outer surface of the chamfer (7) is in sliding connection with the outer surface of the sealing pad (16).

5. A screw air compressor as claimed in claim 1, wherein: A sliding groove (9) is arranged on the bottom of the inner wall of the filter box (4), the inner wall of the sliding groove (9) is in sliding connection with the outer surfaces of the middle parts of the two sliding rods (8), and the two sliding rods (8) are arranged below the two inner frames (502).

6. A screw air compressor as claimed in claim 1, wherein: A telescopic rod (13) is arranged on the top of the filter box (4) through a fixing frame, one end of the telescopic inner rod of the telescopic rod (13) extends into the filter box (4), the outer surface of the middle part of the telescopic inner rod of the telescopic rod (13) is in sliding connection with the inner wall of the top of the filter box (4), one end of the telescopic inner rod of the telescopic rod (13) is provided with a positioning block (12), and the inside of the telescopic rod (13) is provided with a spring (14).

7. A screw air compressor as claimed in claim 1, wherein: A guide block (10) is arranged on the top of the inner frame (502), the top outer surface of the guide block (10) is obliquely arranged, the guide block (10) is arranged on the right side of the positioning frame (11), the positioning frame (11) is arranged on the top of the inner frame (502), and the inner wall of the middle part of the positioning frame (11) is in insertion connection with the outer surface of the middle part of the positioning block (12).

8. A screw air compressor as set forth in claim 1 wherein: Dustproof brushes (15) are symmetrically arranged on the two sides of the inner wall of the two ends of the filter box (4).

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