CN112943490B

CN112943490B - Air filter

Info

Publication number: CN112943490B
Application number: CN202110194244.8A
Authority: CN
Inventors: 陶孝澄; 陶明远
Original assignee: Shanghai Haibang Machinery Equipment Mfg Co ltd
Current assignee: Shanghai Haibang Machinery Equipment Mfg Co ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2022-08-09
Anticipated expiration: 2041-02-20
Also published as: CN112943490A

Abstract

The application relates to an air filter, which comprises a filter box communicated with an air inlet pipe and an engine, and a filter element arranged in the filter box and used for filtering air, wherein the filter box is provided with an engine three-way pipe and an air inlet pipe three-way pipe, the engine three-way pipe is communicated with the engine and the filter box, an opening at one end of the engine three-way pipe, which is far away from the engine and the filter box, can be communicated with a positive pressure fan, the air inlet pipe three-way pipe is communicated with the air inlet pipe and the filter box, an opening at one end of the air inlet pipe three-way pipe, which is far away from the air inlet pipe and the filter box, can be communicated with a collecting box, the engine three-way pipe and the air inlet pipe three-way pipe are both provided with three-way valves, and when the internal filter element needs to be cleaned, clean air can be fed into the filter box through the positive pressure fan, so as to send more dust and impurities attached to the filter element into the collecting box from the filter box, thereby cleaning the filter element.

Description

Air filter

Technical Field

The application relates to the technical field of air filtration, in particular to an air filter.

Background

The air filter is generally used in an automobile and is installed in front of an air inlet of an engine to filter air entering the engine through an air inlet pipe, so that sand and dust impurities in the air are not easy to enter the engine, and the normal operation of the engine is not greatly influenced.

The existing air filter needs to disassemble a filter element inside the air filter when the air filter is used to a certain period so as to maintain the filter element, namely, more dust and impurities attached to the filter element are removed.

In view of the above-mentioned related art, the applicant believes that the dust and impurities in the filter element are removed manually, and the defect that the dust and impurities in the filter element are inconvenient to clean exists.

Disclosure of Invention

In order to facilitate the clearance of dust impurity in to the filter core, this application provides an air cleaner.

The application provides an air cleaner adopts following technical scheme:

an air filter comprises a filter box communicated with an air inlet pipe and an engine, and a filter element arranged in the filter box and used for filtering air, wherein the filter box is provided with an engine three-way pipe and an air inlet pipe three-way pipe, the engine three-way pipe is communicated with the engine and the filter box, an opening at one end of the engine three-way pipe, which is far away from the engine and the filter box, can be communicated with a positive pressure fan, the air inlet pipe three-way pipe is communicated with the air inlet pipe and the filter box, an opening at one end of the air inlet pipe three-way pipe, which is far away from the air inlet pipe and the filter box, can be communicated with a collecting box, the engine three-way pipe and the air inlet pipe three-way pipe are both provided with three-way valves, the filter box comprises a fixed box communicated with the engine three-way pipe and the air inlet pipe three-way pipe and a detachable box connected with the opening of the fixed box, the fixed box is fixedly connected with an air inlet inner pipe which can be closely spliced with the filter element and communicated with the air inlet pipe three-way pipe, the filter element comprises an installation block, the installation block is provided with an installation block hole for tightly inserting an air inlet inner pipe, the outer wall of the installation block is provided with a filter paper groove with the same central line as the central line of the installation block hole, the filter paper groove is provided with filter paper capable of finely filtering air, the inner wall of the installation block hole is provided with a plurality of communicating grooves communicated with the filter paper groove, the side surface of the disassembly box facing the installation block hole is fixedly connected with a disassembly box sealing block tightly inserted in the installation block hole, the inner wall of the installation block hole is connected with two sponge ring blocks in a sliding manner, the sponge ring blocks are provided with ring block holes in a penetrating manner, a plurality of ring block rods are fixedly connected between the two sponge ring blocks, a fixed frame plate is fixedly connected between the two adjacent ring block rods, a fixed frame plate is arranged in a penetrating manner, the fixed frame plate is attached with filter sponge, a detachable frame plate is tightly inserted between the two adjacent ring block rods, and the detachable frame plate is tightly abutted against the sponge ring blocks, the detachable frame plate is provided with a detachable frame plate groove in a penetrating way, and the air inlet pipe three-way pipe is fixedly connected to the center of the bottom surface of the filter box.

By adopting the technical scheme, when the filter element needs to be cleaned, the two three-way valves can be rotated to enable the positive pressure fan to be communicated with the interior of the filter box, the collection box is communicated with the interior of the filter box, the positive pressure fan is communicated with an external power supply at the moment, relatively clean air is sent into the filter box by the positive pressure fan, the flow direction of the air sent into the filter box by the positive pressure fan is opposite to that of the air when the filter element is normally filtered, so that dust and impurities attached to the filter element can be cleaned, the filter element does not need to be frequently disassembled and cleaned manually, the disassembly box is conveniently taken down from the fixed box, so that the filter element can be conveniently taken out from the fixed box, meanwhile, the air entering the fixed box from the air inlet pipe can relatively fully pass through the filter element through the air inlet pipe, and the air entering the interior of the engine through the filter box can be relatively fully filtered, make the air that gets into from the inner tube of admitting air flow to the mounting block hole in, because dismantle the box seal piece and the inner tube of admitting air all with the inner wall in mounting block hole looks in close contact with, then make the air enter into to the filter paper groove through the intercommunication groove, and the filtration through filter paper, make most air homoenergetic obtain better filtration, make the air in the mounting hole can carry out a prefiltering through filtering the sponge earlier, filter with some great impurity dust of granule, then carry out a comparatively meticulous filtration by filter paper again, prolong the life of filter paper, promote holistic filter effect.

Optionally, the ring block rod is fixedly connected with a guide rod, the guide rod is inserted into the mounting block, and the fixing frame plate groove and the communicating groove are in one-to-one correspondence.

Through adopting above-mentioned technical scheme, the guide bar corresponds to peg graft in the installation piece and makes the sponge ring piece be difficult to rotate in the installation piece hole, makes then fixed frame board groove and removable frame board groove homoenergetic better align in the intercommunication groove to make the air can comparatively smoothly flow.

Optionally, be close to in the inner tube of admitting air sponge ring piece fixedly connected with lower grafting ring piece, lower grafting ring piece can closely peg graft in the inner tube of admitting air, be close to in the sealed sponge ring piece fixedly connected with who blocks of dismantlement box can closely peg graft in the sealed last grafting ring piece that blocks of dismantlement box.

Through adopting above-mentioned technical scheme for the air is difficult for following the circulation between a sponge ring piece and the sealed piece contact surface of dismantlement box between the sealed piece contact surface of a piece, and the air is also difficult for following another sponge ring piece and the circulation between the sealed piece contact surface of dismantlement box, carries out a prefiltration through filtering the sponge in order to make the air can be comparatively abundant.

Optionally, the engine three-way pipe is communicated with the outer wall of the opening at one end of the positive pressure fan, and the air inlet three-way pipe is communicated with the outer wall of the opening at one end of the collecting box, and is fixedly connected with an external thread pipe.

Through adopting above-mentioned technical scheme, but pipeline visor of threaded connection of outer wall of external screw thread pipe then makes in the car goes, and outside dust is difficult for getting into to the engine three-way pipe and intake pipe three-way pipe in to communicate the engine three-way pipe in negative-pressure air fan again, with the intake pipe three-way pipe communicate when collecting the box, make easily that more dust in the engine three-way pipe gets into to filter the box in, influence the clearance effect of filter core.

Optionally, dismantle box outer wall fixedly connected with internal thread pipe, internal thread intraductal wall threaded connection is in the outer wall of fixed box.

Through adopting above-mentioned technical scheme, will dismantle box and fixed box looks threaded connection to possess better leakproofness between feasible dismantlement box and the fixed box.

Optionally, a lower abutting block which can be abutted against the mounting block is arranged inside the fixing box, the lower abutting block is an elastic body, and an upper abutting block which can be abutted against the mounting block is arranged inside the dismounting box.

Through adopting above-mentioned technical scheme for go up the butt piece and the butt piece can press from both sides the installation piece mutually down, simultaneously, the butt piece can produce certain deformation down, makes the installation piece can not receive too big pressure.

Optionally, the guide bar is inserted into the upper abutting block, the upper abutting block is rotatably connected to the dismounting box, and the upper abutting block is fixedly connected with the mounting positioning block which can be inserted into the mounting block.

Through adopting above-mentioned technical scheme for when butt joint piece was pegged graft to the guide bar, when rotating the dismantlement box and installing and dismantling, the installation piece was difficult to rotate in the lump, also was convenient for take out the guide bar, so that take out sponge ring piece and filter sponge from the installation piece hole, cleared up.

In summary, the present application includes at least one of the following beneficial technical effects:

when the filter element needs to be cleaned, the two three-way valves can be rotated, so that the positive pressure fan is communicated with the interior of the filter box, the collection box is communicated with the interior of the filter box, the positive pressure fan is communicated with an external power supply, relatively clean air is sent into the filter box by the positive pressure fan, the flow direction of the air sent into the filter box by the positive pressure fan is opposite to that of the air when the filter element is normally filtered, so that dust and impurities attached to the filter element can be cleaned, and the filter element does not need to be frequently disassembled manually for cleaning, so that convenience is realized;

when the guide bar is inserted with the butt joint block, the rotating disassembly box is assembled and disassembled, the assembly block is not easy to rotate together, the guide bar is convenient to take out, and the sponge ring block and the filter sponge are taken out from the assembly block hole to be cleaned.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present application;

FIG. 2 is a schematic, partly vertical, side sectional view of the filter cassette to show the filter cassette and the interior of the filter cartridge;

FIG. 3 is a schematic view with a filter paper removed to provide a vertical side partial cutaway of the filter cartridge and mounting block to more clearly show the interior of the mounting block aperture;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is an enlarged view at B in FIG. 3;

fig. 6 is a schematic view showing the structure of the fixed frame plate and the detachable frame plate between two sponge ring blocks, with the installation block removed and a filter sponge removed.

In the figure, 1, a filter cartridge; 2. a filter element; 21. installing a positioning block; 22. an upper abutment block hole; 3. an engine three-way pipe; 31. a guide bar; 32. a lower inserting ring block; 33. inserting a ring block; 34. an externally threaded tube; 35. an internally threaded tube; 36. a lower abutment block; 37. an upper abutment block; 38. a guide bar slot; 39. a ring block hole; 4. a three-way pipe of an air inlet pipe; 41. disassembling the box sealing block; 42. a communicating groove; 43. a sponge ring block; 44. a ring block rod; 45. fixing the frame plate; 46. fixing the panel slot; 47. filtering the sponge; 48. a frame plate is detachable; 49. a frame plate groove can be disassembled; 5. a positive pressure fan; 51. a collection box; 52. a three-way valve; 53. a fixing box; 54. disassembling the box; 55. an air inlet inner pipe; 56. mounting blocks; 57. mounting block holes; 58. a filter paper groove; 59. and (5) filter paper.

Detailed Description

The present application will now be described in further detail with reference to the accompanying drawings.

The embodiment of the application discloses an air filter, refer to fig. 1 and 2, including being vertical filter cartridge 1, filter cartridge 1 is the cylinder, filter cartridge 1 internally mounted has filter core 2 that can filter the air, filter cartridge 1 bottom surface center fixedly connected with intake pipe three-way pipe 4, intake pipe three-way pipe 4 can communicate in filter cartridge 1 inside and intake pipe, the one end opening that intake pipe three-way pipe 4 kept away from intake pipe and filter cartridge 1 can communicate with and collect box 51, filter cartridge 1 vertical circumference side fixedly connected with engine three-way pipe 3, engine three-way pipe 3 can communicate in filter cartridge 1 inside and engine, the one end opening that engine three-way pipe 3 kept away from engine and filter cartridge 1 can communicate with positive pressure fan 5, intake pipe three-way pipe 4 and engine three-way pipe 3 all install three-way valve 52, rotate two three-way valves 52 simultaneously, make at positive pressure fan 5, The filter box 1 and the collection box 51 are communicated with an air inlet pipe, the filter box 1 and the engine are communicated with each other, the engine three-way pipe 3 is communicated with the outer wall of the circumference of one end opening of the positive pressure fan 5, the air inlet pipe three-way pipe 4 is communicated with the outer wall of the circumference of one end opening of the collection box 51, and the outer threaded pipe 34 is coaxially and fixedly connected with the outer threaded pipe 34, the outer threaded pipe 34 can be in threaded connection with a pipeline protective cover, so that when the positive pressure fan 5 and the collection box 51 are not connected, external dust is not easy to enter the air inlet pipe three-way pipe 4 and the engine three-way pipe 3, the positive pressure fan 5 is not required to be communicated with the engine three-way pipe 3 all the time, the collection box 51 is communicated with the air inlet pipe three-way pipe 4 all the time, and only when the filter element needs to be cleaned, the positive pressure fan 5 is communicated with the collection box 51.

Referring to fig. 1 and 2, the filter box 1 comprises a fixing box 53 communicated with an air inlet pipe three-way pipe 4 and an engine three-way pipe 3, the fixing box 53 is vertical, an opening is formed in the upper portion of the fixing box 53 to enable the filter element 2 to be placed in the vertical direction, a dismounting box 54 is installed above the fixing box 53, the horizontal bottom surface of the dismounting box 54 abuts against the horizontal upper surface of the fixing box 53, an internal thread pipe 35 is coaxially and fixedly connected to the circumferential outer surface of the bottom of the dismounting box 54, and the inner wall of the internal thread pipe 35 is in threaded connection with the circumferential outer wall of the dismounting box 54.

Referring to fig. 3 and 4, dismantle the inside coaxial fixedly connected with of horizontal bottom surface inner tube 55 of box 54, inner tube 55 of admitting air communicates in intake pipe three-way pipe 4, dismantle the inside coaxial fixedly connected with of horizontal bottom surface of box 54 and closely cup joint in the lower butt piece 36 of the inside circumference outer wall of inner tube 55 of admitting air, lower butt piece 36 is the block rubber, combine shown in fig. 5, dismantle the inside coaxial fixedly connected with of horizontal upper surface of box 54 and dismantle box seal 41, dismantle the inside coaxial rotation of horizontal upper surface of box 54 and be connected with butt piece 37, go up the coaxial run-through of butt piece 37 lower surface and seted up butt piece hole 22, there is slight interval on the circumference inner wall of last butt piece hole 22 and the dismantlement box seal 41 circumference outer wall.

Referring to fig. 3 and 4, the filter element 2 includes an installation block 56 having an upper surface abutting against the upper abutting block 37 and a lower surface abutting against the lower abutting block 36, the horizontal cross section of the installation block 56 is circular, the upper surface of the lower abutting block 36 is fixedly connected with a vertical installation positioning block 21, the installation positioning block 21 is inserted into the bottom surface of the installation block 56 along the vertical direction, the upper surface of the installation block 56 is coaxially penetrated and provided with a vertical installation block hole 57, the circumferential outer wall of the air inlet inner tube 55 is tightly inserted into the circumferential inner wall of the bottom of the installation block hole 57 along the vertical direction, the circumferential outer wall of the disassembly box sealing block 41 is tightly inserted into the circumferential inner wall of the upper part of the installation block hole 57 along the vertical direction, the circumferential inner wall of the installation block hole 57 is slidably connected with two horizontal sponge ring blocks 43 along the vertical direction, the upper surfaces of the two sponge ring blocks 43 are coaxially penetrated and provided with a vertical ring block hole 39, the diameter of the ring block hole 39 is the same as the inner diameter of the air inlet inner tube 55, referring to fig. 5, the upper surface of the sponge ring block 43 with a high position is coaxially and fixedly connected with an upper inserting ring block 33, the upper inserting ring block 33 is tightly inserted into the lower surface of the seal block 41 of the disassembling box along the vertical direction, the lower surface of the sponge ring block 43 with a low position is coaxially and fixedly connected with a lower inserting ring block 32, and the lower inserting ring block 32 is tightly inserted into the upper surface of the air inlet inner tube 55 along the vertical direction.

Referring to fig. 3 and 4, be vertical ring piece pole 44 around the even fixedly connected with number of installation piece hole 57 axis between two sponge ring pieces 43, installation piece 56 upper surface runs through and has been seted up and be vertical guide bar groove 38, guide bar groove 38 communicates in installation piece hole 57, two sponge ring piece 43 circumference outer wall fixedly connected with are vertical guide bar 31 with the same root, guide bar 31 fixed connection is in the vertical side of a ring piece pole 44, guide bar 31 is along vertical direction sliding connection in guide bar groove 38, the sponge ring piece 43 lower surface that guide bar 31 bottom and position are low flushes mutually, combine shown in fig. 5, the upper end of guide bar 31 is highly higher than the upper surface height of the high sponge ring piece 43 in position, the upper end of guide bar 31 is along vertical direction pegging graft in the lower surface of last butt piece 37.

Referring to fig. 5, a vertical fixed frame plate 45 is fixedly connected between two adjacent ring block rods 44, the fixed frame plate 45 is perpendicular to the radial direction of the mounting block hole 57, a fixed frame plate groove 46 is formed through the vertical surface of the fixed frame plate 45 perpendicular to the radial direction of the mounting block hole 57, the upper surface and the lower surface of the fixed frame plate 45 are respectively fixedly connected to the horizontal planes close to the two sponge ring blocks 43, the fixed frame plate 45 is close to the ring block hole 39, a plurality of vertical detachable frame plates 48 are radially and closely slidably connected between the two sponge ring blocks 43 along the mounting block hole 57, each detachable frame plate 48 corresponds to one fixed frame plate 45, each detachable frame plate 48 is closely and slidably connected to the two adjacent ring block rods 44, a detachable frame plate groove 49 is formed through the vertical side surface of each detachable frame plate 48, the detachable frame plate groove 49 of each detachable frame plate 48 corresponds to the fixed frame plate groove 46 of one close fixed frame plate 45, the side of the detachable frame plate 48 departing from the fixed frame plate 45 is connected to the inner wall of the circumference of the mounting block hole 57 in a sliding manner along the vertical direction, and a filtering sponge 47 is clamped between each detachable frame plate 48 and the corresponding fixed frame plate 45.

Referring to fig. 2 and 3, the inner wall of the circumference of the mounting block hole 57 is provided with a plurality of communicating grooves 42 corresponding to each detachable frame plate groove 49 one by one around the axis, the communicating grooves 42 are vertical, the outer wall of the circumference of the mounting block 56 is coaxially provided with a filter paper groove 58, each communicating groove 42 is communicated with the filter paper groove 58, the horizontal bottom surface of the filter paper groove 58 is fixedly connected with a filter paper 59 which is vertical and can finely filter air, and the vertical outer wall of the filter paper 59 is folded.

The air filter of the embodiment of the application has the following implementation principle: when the filter paper 59 and the filter sponge 47 need to be cleaned, the positive pressure fan 5 can be communicated with the air inlet pipe three-way pipe 4, the collection box 51 is communicated with the air inlet pipe three-way pipe 4, then the positive pressure fan 5 is communicated with an external power supply, so that the positive pressure fan 5 sends air into the fixed box 53 and the disassembly box 54, the air blows the blocked fine impurities on the filter paper 59 and the blocked large dust impurities on the filter sponge 47 into the air inlet pipe three-way pipe 4, and finally enters the collection box 51 for cleaning, meanwhile, when the filter element 2 needs to be replaced, the disassembly box 54 can be rotated to separate the internal thread pipe 35 from the fixed box 53, then one end of the guide rod 31 is held to take the two sponge ring blocks 43 and the filter sponge 47 out of the mounting block hole 57, then the mounting block 56 is taken out, so that the air inlet inner pipe 55 is separated from the mounting block 56, a new mounting block 56 is sleeved on the air inlet inner pipe 55, the mounting and positioning block 21 is inserted into the mounting block 56, the cleaned filter sponge 47 is inserted into the mounting block hole 57, the guide rod 31 is inserted into the guide rod groove 38, and the removal box 54 is screwed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an air cleaner, includes filter cartridge (1) that communicates in intake pipe and engine, locates filter cartridge (1) inside and carry out filterable filter core (2) to the air, its characterized in that: the filter box (1) is provided with an engine three-way pipe (3) and an air inlet pipe three-way pipe (4), the engine three-way pipe (3) is communicated with the inside of the engine and the filter box (1), an opening at one end, far away from the engine and the filter box (1), of the engine three-way pipe (3) can be communicated with a positive pressure fan (5), the air inlet pipe three-way pipe (4) is communicated with the inside of the air inlet pipe and the filter box (1), an opening at one end, far away from the air inlet pipe and the filter box (1), of the air inlet pipe three-way pipe (4) can be communicated with a collecting box (51), the engine three-way pipe (3) and the air inlet pipe three-way pipe (4) are respectively provided with a three-way valve (52), the filter box (1) comprises a fixing box (53) communicated with the engine three-way pipe (3) and the air inlet pipe three-way pipe (4) and a disassembling box (54) detachably connected with an opening of the fixing box (53), and the fixing box (53) is fixedly connected with an air inlet pipe inner pipe (3) which can be closely connected with the filter element (2) and is communicated with the air inlet pipe three-way pipe (4) 55) The filter element (2) comprises a mounting block (56), the mounting block (56) is provided with a mounting block hole (57) through which an air inlet inner tube (55) is tightly inserted, the outer wall of the mounting block (56) is provided with a filter paper groove (58) with the same central line as the central line of the mounting block hole (57), the filter paper groove (58) is provided with filter paper (59) capable of finely filtering air, the inner wall of the mounting block hole (57) is provided with a plurality of communicating grooves (42) communicated with the filter paper groove (58), the side surface of the dismounting box (54) facing the mounting block hole (57) is fixedly connected with a dismounting box sealing block (41) tightly inserted in the mounting block hole (57), the inner wall of the mounting block hole (57) is slidably connected with two sponge ring blocks (43), the sponge ring blocks (43) are provided with ring block holes (39) through, and a plurality of ring block rods (44) are fixedly connected between the two sponge ring blocks (43), fixed deckle board (45) of equal fixedly connected with between two adjacent ring piece poles (44), fixed deckle board (45) are run through and have been seted up fixed deckle board groove (46), fixed deckle board (45) laminating has filtering sponge (47), closely peg graft between two adjacent ring piece poles (44) and have removable deckle board (48), removable deckle board (48) are supported tightly in two sponge ring pieces (43), removable deckle board (48) are run through and have been seted up removable deckle board groove (49), intake pipe three-way pipe (4) fixed connection is located in filter box (1) bottom surface center.

2. An air cleaner according to claim 1 wherein: the ring block rod (44) is fixedly connected with a guide rod (31), the guide rod (31) is inserted into the mounting block (56), and the fixing frame plate grooves (46) and the communication grooves (42) are in one-to-one correspondence.

3. An air cleaner according to claim 1 wherein: close to in the inner tube of admitting air (55) sponge ring piece (43) fixedly connected with lower grafting ring piece (32), lower grafting ring piece (32) can closely peg graft in inner tube of admitting air (55), close to sponge ring piece (43) fixedly connected with of dismantling box seal block (41) can closely peg graft in the last grafting ring piece (33) of dismantling box seal block (41).

4. An air cleaner according to claim 1 wherein: the engine three-way pipe (3) is communicated with the outer wall of an opening at one end of the positive pressure fan (5) and the air inlet pipe three-way pipe (4) is communicated with the outer wall of an opening at one end of the collecting box (51) and is fixedly connected with an external thread pipe (34).

5. An air cleaner according to claim 1 wherein: dismantle box (54) outer wall fixedly connected with internal thread pipe (35), internal thread pipe (35) inner wall threaded connection is in the outer wall of fixed box (53).

6. An air cleaner according to claim 4 wherein: the fixed box (53) is internally provided with a lower abutting block (36) which can abut against the installation block (56), the lower abutting block (36) is an elastic body, and the disassembly box (54) is internally provided with an upper abutting block (37) which can abut against the installation block (56).

7. An air cleaner according to claim 6 wherein: the guide rod (31) is inserted into the upper abutting block (37), the upper abutting block (37) is rotatably connected to the dismounting box (54), and the upper abutting block (37) is fixedly connected with an installation positioning block (21) which can be inserted into the installation block (56).