Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of automobile air filter, it is using following technical side
Case is realized.
In the description of the present invention it should be noted that the indicating positions such as term "inner", "outside", "upper", "lower" or position
Set relationship be orientation based on the figure or positional relationship or the invention product using when the orientation usually put or
Person's positional relationship, it is only for convenient for the description present invention and simplify description, rather than the equipment or member of indication or suggestion meaning
Part must have a particular orientation, be constructed or be operated with specific orientation, therefore be not considered as limiting the invention.This
Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
A kind of automobile air filter, it is characterised in that: it include cylinder A, cylinder B, cylinder C, flight, cyclone pipe, cylinder D, collect set A,
It collects set B, centering block, sectorial block, elastic mantle, collect set C, thread bush, wherein the outer cylinder of cylinder C is staged cylindrical surface, cylinder C
Pass through male cone (strobilus masculinus) transition and linkage between the outer cylinder of upper section major diameter part and the outer cylinder of cylinder C lower section small diameter portion;Cylinder B set
On cylinder C, and the central axis of cylinder C is overlapped with the central axis of cylinder B;The upper section major diameter part of cylinder C is mounted on top in a B
In circular groove at portion center;Cylinder D is fixed in a B by four along the circumferentially equally distributed four fixed plate C of cylinder B inner wall, and
The central axis of cylinder D is overlapped with the central axis of cylinder B;Cylinder C is located in cylinder D;Outside transition on the inner conical surface A and cylinder C of the upper end cylinder D
The conical surface is contour and taper is equal, and the top of inner conical surface A and the top of the transition male cone (strobilus masculinus) on cylinder C are contour, guarantees from air inlet
Mouth enters the air in cylinder B before in the range of downward spiral is moved into inner conical surface B on a D, the unit quantity moved downward
Space size occupied by air does not change, and the air pressure of air will not change because of the volume change of accommodation space.
Inner conical surface B on cylinder D is opposite with several straight hole B uniformly densely covered on cylinder C lower section minor diameter cylinder, so that cylinder D is blocked in a B
The gravel of the larger size of wall rebound, which will not enter in cylinder D, forms secondary pollution to the air in cylinder D, and air secondary is avoided to pollute
And enter in a C through several straight hole B on cylinder C.Straight hole B is located at the aperture height on cylinder C inner wall and is located at outside cylinder C greater than straight hole B
The height in the aperture on cylinder, the gravel or dust for avoiding the inner conical surface B through cylinder D inner wall from rebounding enter straight hole B and through straight hole B into
Enter in a C and secondary pollution is formed to the air in cylinder C.It is mounted at the aperture straight hole B on cylinder C inner wall along cylinder C inner wall wall surface
Curved spiral shape cyclone pipe passes through straight hole B and flows through guidance of the air through cyclone pipe that corresponding cyclone pipe enters in a C again
It forms local eddy flow and obtains certain centrifugal force again, under the action of the centrifugal force, the smaller gravel carried into the air in cylinder C
Or dust is separated again and the reflection through cylinder C inner wall is fallen into the collection set A of lower section, completes to will enter dry type air filter
The filtering again of air.The spiral of 1.5 circles is installed on the major diameter part outer cylinder of cylinder C upper section along cylinder C central axis spiral
Piece, flight, which is guided from the air inlet of the upper end cylinder B side wall, enters the formation eddy flow of the air in a B, enters in a B through air inlet
After the spiral guidance of the flight of 1.5 circles, the gravel or dust carried in air can obtain to be sufficiently separated in air air
Centrifugal force.The spiral outer rim and cylinder B inner wall of flight are connected;If uniformly gathering on inner wall in the middle part of the outer cylinder and cylinder B of cylinder D
Dry straight hole A is opposite.
The lower thread of cylinder C is combined with collection set A;Collecting set B is upper coarse and lower fine stepped cylinder, collects the upper of set B
Transition is connected by back taper cylinder between section major diameter part and its lower section small diameter portion, is conducive to after being separated in air
Gravel or dust quickly fall within collection set the bottom B.The lower thread of the upper section major diameter part and cylinder B of collecting set B cooperates, and receives
Several centering blocks are circumferentially hinged on the bottom end face of collection set B;The scroll spring resetted to it is mounted on each centering block;
The lower end inside of each centering block is mounted on sectorial block;The cylindrical body for several sectorial block formation rules closed up simultaneously covers B to collecting
The opening of lower end blocks completely;The tubular elasticity mantle of one layer of performance sealing function is covered on the medial surface of several centering blocks.
An A is set with outside cylinder B;The central axis of cylinder A is overlapped with the central axis of cylinder B;The upper portion for collecting set C is circle
Cylindricality, the lower section are back taper, are conducive to the gravel to rebound through cylinder B inner wall or dust and quickly fall into collection set C.It collects
The threaded hole for covering the bottom C is threadedly engaged with the lower section column part for collecting set B, under the upper section column part and cylinder A of collecting set C
End is threadedly engaged;It collects and is threadedly engaged the thread bush for driving several centering block synchronous huntings, and thread bush position on set B lower section cylinder
It is covered below C in collecting.
As the further improvement of this technology, above-mentioned straight hole A is located at the aperture height on cylinder B inner wall and is located at greater than straight hole A
The height in the aperture on cylinder B outer cylinder guarantees to be less than straight hole A ruler in centrifugation and the oblique size moved downward of gravity collective effect
Very little gravel or dust smoothly can enter the space between cylinder B and cylinder A through straight hole A obliquely, between cylinder B and cylinder A
Gravel or dust reflect under effect of inertia through cylinder A inner wall, and gravel or dust through the reflection of cylinder A inner wall are sputtered on a B outer wall
When, since straight hole A is located at the height that the aperture height on cylinder B inner wall is greater than the aperture that straight hole A is located on cylinder B outer cylinder, so
The gravel or dust of sputtering will not be redirected back into a B through straight hole A again pollutes air.
As the further improvement of this technology, air inlet on the side wall of the upper end above-mentioned cylinder B is spiral shape, and the spiral shell of air inlet
Revolve direction it is identical as the hand of spiral of flight, when hand of spiral air inlet identical with the flight hand of spiral make air with
The hand of spiral identical with flight enters a B, and the air of screw can preferably continue to accelerate spiral fortune along flight
Higher centrifugal speed is moved and obtained, is conducive to efficiently separating for air and gravel or dust, improves air filter efficiency.
As the further improvement of this technology, the lower section small diameter portion of above-mentioned cylinder C passes through circumferential equally distributed four
Fixed plate B is fixed in a B.
As the further improvement of this technology, above-mentioned centering block is arc;Several centering blocks of vertical state crowd around formation rule
Cylindrical barrel, more preferable sealing is formed to the outlet for collecting the set lower end B, so that several centering blocks and several sectorial blocks cover B to collecting
The change of the air inflow of the outlet of lower end is more efficient.Elastic mantle is installed on the inside inner concave arc surface of several centering blocks, effectively
The thread bush damage for protecting elastic mantle not moved.
As the further improvement of this technology, connection dry-type air cleaner is installed at the upper end opening of above-mentioned cylinder C
Escape pipe.
As the further improvement of this technology, the lower end inside of above-mentioned thread bush is smooth annular outer cambered surface, evagination
Circle diameter in cambered surface is gradually reduced with the cross-sectional curve of outer convex globoidal from bottom to top, when thread bush acts on several centering blocks
When, centering block is progressively closed off or is beaten to the outlet for collecting the set lower end B under the action of the annular outer cambered surface of thread bush lower end
It opens, so that several centering blocks and several sectorial blocks can according to need the air inflow for the outlet for collecting the set lower end B and carry out different journeys
The change of degree.
As the further improvement of this technology, the lower end surface of above-mentioned collection set B is circumferentially uniformly equipped with several trunnions, if
Heavenly Stems and Earthly Branches ear passes through pin respectively and several centering blocks are hinged;It is circumferentially provided on each trunnion on the pin hole inner wall of respective pins rotatable engagement
Annular groove;The scroll spring resetted to corresponding centering block is nested in respective pins and in the annular groove being located on corresponding trunnion;Scrollwork
Spring one end and corresponding pin connection, the other end are connect with corresponding annular groove inner wall.Annular groove provides accommodation space for corresponding scroll spring,
Reduce scroll spring outside the centering block occupied by space so that device structure is more compact.
It is equally distributed solid by four circumferential directions at its lower end on above-mentioned cylinder B as the further improvement of this technology
Fixed board A is fixed in an A.
As the further improvement of this technology, suction ventilator is installed at above-mentioned air inlet.The effect of blower is so that more
Gas enter in air inlet, and then by filtering enter in engine, prevent the air-breathing for only relying on engine from can not inhale
Enter excessive gas, in addition guarantee to be greater than ambient pressure in the interior pressure for the opening for collecting the set lower end B, prevents from collecting under set B
The opening air inlet at end influences to store up dirt effect.
Periphery has circumferentially distributed venthole downward from inside to outside on the downside of above-mentioned cylinder A, downward from inside to outside to set
Meter is intended to that extraneous particle is avoided easier to enter in an A;The purpose for designing venthole is that a part of air-flow can enter
It goes out in cylinder A and from venthole, forms air-flow, can preferably drive biggish particle to enter in an A from straight hole A in this way.
Relative to traditional whizzer filter, the flight in the present invention is the sky come in from the air inlet on cylinder B
Air lift is guided for spiral, so that obtaining enough centrifugal speeds into the air in cylinder B, the gravel or dust carried in air is obtained
Biggish centrifugal force is obtained, biggish gravel or dust in the air of enough centrifugal speeds is obtained and partially reaches under the action of the centrifugal force
Cylinder B inner wall and the space entered between a B and cylinder A through straight hole A simultaneously drop down onto collection set C, and portion size is greater than straight hole A size
Gravel or dust are finally discharged or are retained to receipts through collecting the outlet of the set lower end B with the rebound that replaces of cylinder D outer wall through cylinder B inner wall
In collection set B;There are also partial airs to carry gravel or dust along the inner conical surface B that the inner conical surface A of cylinder D reaches cylinder D, with eddy flow state
Air movement gravel or dust under the influence of centrifugal force with the inner conical surface B of cylinder D collide and launched obliquely to cylinder C's
In outside wall surface and finally the volume opening of the collection set lower end B between cylinder D and cylinder C under reciprocating ejection through lower section is discharged or retains
It is covered in B in collecting.Enter on the lower end cylinder C minor diameter cylinder and cylinder D between inner conical surface A and male cone (strobilus masculinus) of the partial air through cylinder D
Inner conical surface B between and continue in downward spiral motion process, between the inner conical surface B on the lower end cylinder C minor diameter cylinder and cylinder D
With air, gradually downward spiral moves and increases for air pressure;The high pressure between inner conical surface B on cylinder C lower end minor diameter cylinder and cylinder D
On the one hand air prevents the larger gravel sputtered between cylinder D outer wall and cylinder B inner wall from entering on the lower end a C minor diameter cylinder and cylinder D
Inner conical surface B between, prevent between the inner conical surface B on tin lower end a C minor diameter cylinder and cylinder D by filtered air by dirty again
Dye;On the other hand, the pressure-air between the inner conical surface B on the lower end cylinder C minor diameter cylinder and cylinder D is quickly through several on cylinder C
Several cyclone pipes on straight hole B and cylinder C inner wall enter in a C, into the air in cylinder C because caused by engine suction negative pressure pass through
The opening of the upper end cylinder C is quickly moved to dry type air filter.Into the air in cylinder C in the guidance through corresponding cyclone pipe again in cylinder C
Interior formation local helical moves and generates centrifugal action, into cylinder C air carry smaller gravel or dust part from
It is sputtered on the inner conical surface of a C and is quickly fallen into diagonally downward under the reflection of inner conical surface in collection set A under heart effect, and then is complete
In pairs into the filtering again of the air in cylinder C, to improve whole equipment to the filter efficiency of air so that from cylinder C into
The air entered in dry type air filter more cleans, and reduces the filtering burden of dry type air filter, fundamentally reduces the replacement of dry type air filter
The frequency extends the service life of dry type air filter, reduces the maintenance cost of vehicle in wind sand environment;The configuration of the present invention is simple has
Preferable using effect.
Detailed description of the invention
Fig. 1 is air filter entirety and its diagrammatic cross-section.
Fig. 2 is a C and cylinder D cooperation diagrammatic cross-section.
Fig. 3 is an A, cylinder B, cylinder C and cylinder D mutual cooperation diagrammatic cross-section.
Fig. 4 is to collect set C, trunnion, centering block, sectorial block and thread bush cooperation diagrammatic cross-section.
Fig. 5 is a C and flight cooperation and its diagrammatic cross-section.
Fig. 6 is a D and its diagrammatic cross-section.
Fig. 7 is a B and its diagrammatic cross-section.
Fig. 8 is to collect set B and trunnion cooperation and its diagrammatic cross-section.
Fig. 9 is centering block, sectorial block and elastic mantle cooperation schematic diagram.
Figure 10 is centering block and sectorial block cooperation schematic diagram.
Figure 11 is thread bush and its diagrammatic cross-section.
Figure 12 is to collect set C diagrammatic cross-section.
Figure 13 is the airflow direction schematic diagram in a C and cylinder D
Figure label title: 1, cylinder A;2, cylinder B;3, straight hole A;4, air inlet;5, cylinder C;6, straight hole B;7, flight;8, eddy flow
Pipe;9, cylinder D;10, inner conical surface A;11, inner conical surface B;12, male cone (strobilus masculinus);13, fixed plate C;14, fixed plate B;15, fixed plate A;16,
Collect set A;17, set B is collected;18, trunnion;19, annular groove;20, scroll spring;21, centering block;22, sectorial block;23, elastic mantle;
24, set C is collected;25, thread bush;26, outer convex globoidal;27, escape pipe;28, threaded hole;29, gravel;30, venthole.
Specific embodiment
Attached drawing is the schematic diagram that the present invention is implemented, in order to understand structure operation logic.Specific product structure and ratio
Size is determined according to use environment combination routine techniques.
As shown in Figure 1, 2, 3, it includes cylinder A1, cylinder B2, cylinder C5, flight 7, cyclone pipe 8, cylinder D9, collects set A16, receives
Collection set B17, centering block 21, sectorial block 22, elastic mantle 23, set C24, thread bush 25 are collected, wherein as shown in Fig. 1,2,5, cylinder C5
Outer cylinder be staged cylindrical surface, the outer cylinder of the outer cylinder of cylinder C5 upper section major diameter part and cylinder C5 lower section small diameter portion
Between pass through 12 transition and linkage of male cone (strobilus masculinus);As shown in Figure 1, cylinder B2 is sleeved on a C5, and the central axis of cylinder C5 is with cylinder B2's
Central axis is overlapped;The upper section major diameter part of cylinder C5 is mounted in the circular groove at a B2 inner top center;As shown in Figure 1,3,
Cylinder D9 is fixed in a B2 by four along the circumferentially equally distributed four fixed plate C13 of cylinder B2 inner wall, and the central axis of cylinder D9
Line is overlapped with the central axis of cylinder B2;Cylinder C5 is located in cylinder D9;As shown in Fig. 1,2,6, the inner conical surface A10 and cylinder C5 of the upper end cylinder D9
On transition male cone (strobilus masculinus) 12 it is contour and taper is equal, the top of inner conical surface A10 is most upper with the transition male cone (strobilus masculinus) 12 on cylinder C5
Hold it is contour, guarantee from air inlet 4 enter cylinder B2 in air in the range of downward spiral is moved into inner conical surface B11 on a D9
Before, space size occupied by the unit quantity air moved downward does not change, and the air pressure of air will not be because of accommodation space
Volume change and change.As shown in Fig. 2,5,6, on the inner conical surface B11 and cylinder C5 lower section minor diameter cylinder on cylinder D9
Even densely covered several straight hole B6 are opposite, so that cylinder D9, which blocks the gravel 29 of the larger size of B2 inner wall rebound, will not enter cylinder
Secondary pollution is formed to the air in cylinder D9 in D9, air secondary is avoided to pollute and enters a C5 through several straight hole B6 on cylinder C5
In.As shown in Fig. 2, straight hole B6 is located at the aperture that the aperture height on cylinder C5 inner wall is located on cylinder C5 outer cylinder greater than straight hole B6
Highly, the gravel 29 or dust for avoiding the inner conical surface B11 through cylinder D9 inner wall from rebounding enter straight hole B6 and enter a C5 through straight hole B6
In in cylinder C5 air formed secondary pollution.It is mounted at the aperture straight hole B6 on cylinder C5 inner wall curved along cylinder C5 inner wall wall surface
Bent spiral shape cyclone pipe 8 passes through straight hole B6 and flows through guidance of the air through cyclone pipe 8 that corresponding cyclone pipe 8 enters in cylinder C5
Form local eddy flow again and obtain certain centrifugal force again, under the action of the centrifugal force, into air carrying in cylinder C5 compared with
Small gravel 29 or dust are separated again and the reflection through cylinder C5 inner wall is fallen into the collection set A16 of lower section, are completed to will be into
Enter the filtering again of the air of dry type air filter.As shown in Figure 1,5, along the center cylinder C5 on the major diameter part outer cylinder of cylinder C5 upper section
Axis spiral is equipped with the flight 7 of 1.5 circles, and flight 7 guides the sky entered in cylinder B2 from the air inlet 4 of the upper end cylinder B2 side wall
Gas forms eddy flow, enters the air in cylinder B2 after the spiral guidance of the flight 7 of 1.5 circles through air inlet 4, carries in air
Gravel 29 or dust can obtain the centrifugal force being sufficiently separated in air.The spiral outer rim and cylinder B2 inner wall of flight 7 are connected;Such as
Shown in Fig. 2,3,7, the outer cylinder of cylinder D9 is opposite with several straight hole A3 uniformly densely covered on inner wall in the middle part of cylinder B2.
As shown in Figure 1, the lower thread of cylinder C5 is combined with collection set A16;As shown in Fig. 3,8, collect set B17 be it is upper it is thick under
Thin stepped cylinder is collected and is held in the mouth between the upper section major diameter part and its lower section small diameter portion of set B17 by back taper cylinder
It takes over and crosses, be conducive to the gravel 29 after being separated in air or dust quickly falls within the collection set bottom B17.As shown in Figure 3,4,
The lower thread of the upper section major diameter part and cylinder B2 of collecting set B17 cooperates, and collects and circumferentially cuts with scissors on the bottom end face of set B17
It is connected to several centering blocks 21;As shown in figure 4, being mounted on the scroll spring 20 resetted to it on each centering block 21;Such as Fig. 9,10 institutes
Show, the lower end inside of each centering block 21 is mounted on sectorial block 22;The cylindrical body for 22 formation rule of several sectorial blocks closed up is simultaneously
The opening for collecting the set lower end B17 is blocked completely;It is close that one layer of performance is covered as shown in Fig. 4,9, on the medial surface of several centering blocks 21
The tubular elasticity mantle 23 of envelope effect.
As shown in Figure 1, being set with an A1 outside cylinder B2;The central axis of cylinder A1 is overlapped with the central axis of cylinder B2;As Fig. 3,
Shown in 12, the upper portion of collection set C24 is cylinder, and the lower section is back taper, is conducive to through the rebound of cylinder B2 inner wall
Gravel 29 or dust are quickly fallen into collection set C24.As shown in Fig. 1,3,4, collects the threaded hole 28 of the set bottom C24 and collect set
The lower section column part of B17 is threadedly engaged, and the lower thread of the upper section column part and cylinder A1 of collecting set C24 cooperates;Collect set
The thread bush 25 for driving several 21 synchronous huntings of centering block is threadedly engaged on B17 lower section cylinder, and thread bush 25 is located at collection set
Below C24.
As shown in Fig. 2, above-mentioned straight hole A3, which is located at the aperture height on cylinder B2 inner wall, is located at cylinder B2 outer cylinder greater than straight hole A3
On aperture height, guarantee centrifugation and the oblique size moved downward of gravity collective effect be less than straight hole A3 size gravel
29 or dust smoothly can enter the space between cylinder B2 and cylinder A1 obliquely through straight hole A3, the sand between cylinder B2 and cylinder A1
Gravel 29 or dust reflect under effect of inertia through cylinder A1 inner wall, and gravel 29 or dust through the reflection of cylinder A1 inner wall are sputtered onto outside a B2
When on wall, since straight hole A3 is located at the height that the aperture height on cylinder B2 inner wall is greater than the aperture that straight hole A3 is located on cylinder B2 outer cylinder
Degree, so the gravel 29 or dust of sputtering will not be redirected back into a B2 again through straight hole A3 and pollute air.
As shown in fig. 7, air inlet 4 on the side wall of the upper end above-mentioned cylinder B2 is spiral shape, and the hand of spiral and spiral shell of air inlet 4
The hand of spiral of blade 7 is identical, when hand of spiral air inlet 4 identical with 7 hand of spiral of flight make air with spiral
The identical hand of spiral of piece 7 enters a B2, and the air of screw can preferably continue to accelerate screw simultaneously along flight 7
Higher centrifugal speed is obtained, is conducive to efficiently separating for air and gravel 29 or dust, improves air filter efficiency.
As shown in figure 3, the lower section small diameter portion of above-mentioned cylinder C5 is fixed by circumferential equally distributed four fixed plate B14
In cylinder B2.
As shown in Fig. 4,9, above-mentioned centering block 21 is arc;Several centering blocks 21 of vertical state crowd around the cylindricality circle of formation rule
Cylinder forms more preferable sealing to the outlet for collecting the set lower end B17, so that the 22 pairs of collections of several centering blocks 21 and several sectorial blocks cover B17
The change of the air inflow of the outlet of lower end is more efficient.Elastic mantle 23 is installed on the inside inner concave arc surface of several centering blocks 21,
The thread bush 25 that effective protection elasticity mantle 23 is not moved damages.
As shown in Figure 1, being equipped with the escape pipe 27 of connection dry-type air cleaner at the upper end opening of above-mentioned cylinder C5.
As shown in Figure 4 and 11, the lower end inside of above-mentioned thread bush 25 is smooth annular outer cambered surface 26, outer convex globoidal 26
On circle diameter be gradually reduced from bottom to top with the cross-sectional curve of outer convex globoidal 26, when thread bush 25 acts on several centering blocks 21
When, centering block 21 carries out gradually the outlet for collecting the set lower end B17 under the action of the annular outer cambered surface 26 of 25 lower end of thread bush
Close or open, allow several centering blocks 21 and 22 pairs of several sectorial blocks collect the air inflow of the outlet of the set lower end B17 according to
It needs to carry out different degrees of change.
As shown in Fig. 4,8, the lower end surface of above-mentioned collection set B17 is circumferentially uniformly equipped with several trunnions 18, several trunnions
18 is hinged by pin and several centering blocks 21 respectively;As shown in figure 8, on each trunnion 18 with the pin hole inner wall of respective pins rotatable engagement
Upper circumferential direction is provided with annular groove 19;As shown in figure 4, the scroll spring 20 resetted to corresponding centering block 21 is nested in respective pins and position
In in the annular groove 19 on corresponding trunnion 18;20 one end of scroll spring and corresponding pin connection, the other end and corresponding 19 inner wall of annular groove connect
It connects.Annular groove 19 is that corresponding scroll spring 20 provides accommodation space, reduces the space occupied by 21 outside of centering block of scroll spring 20,
So that device structure is more compact.
As shown in figure 3, being fixed at its lower end by the equally distributed fixed plate A15 of four circumferential directions on above-mentioned cylinder B2
In cylinder A1.
The screw pitch that the helical length of flight 7 of the present invention is 1.5 times is highly 1.5 times of screw pitch by largely testing verifying
Flight 7 to after the guidance of the spiral for the air that the air inlet 4 on cylinder B2 is threaded into a B2, the incremental spiral speed of air
Degree and centrifugal force just make the gravel 29 carried in air under the action of the centrifugal with air separation.
Suction ventilator is installed at above-mentioned air inlet.The effect of blower be so that more gas enters in air inlet, into
And entered in engine by filtering, it prevents the air-breathing for only relying on engine from can not suck excessive gas, in addition guarantees
The interior pressure for collecting the opening of the set lower end B is greater than ambient pressure, prevents the opening air inlet for collecting the set lower end B, influences Chu Chenxiao
Fruit.
Periphery has circumferentially distributed venthole 30 downward from inside to outside on the downside of above-mentioned cylinder A, downward from inside to outside
Design is intended to that extraneous particle is avoided easier to enter in an A;The purpose of design venthole is that a part of air-flow can be into
Enter in an A and go out from venthole, forms air-flow, can preferably drive biggish particle to enter in an A from straight hole A in this way.
Tubular elasticity mantle 23 of the invention can effectively guide air to collect set certainly while playing sealing function
B17 lower ending opening enters in collection set B17.
Workflow of the invention: in original state, the outer convex globoidal 26 of the internal screw thread of thread bush 25 and several centering blocks 21
Contact, several centering blocks 21 are in a vertical state, and several centering blocks 21 crowd around to form complete cylindrical shape, and several scroll springs 20 are pressed
It contracts energy storage;Several sectorial blocks 22 are opened not form the outlet for collecting the set lower end B17 around and be blocked.
When the vehicle engine is running, a large amount of air-breathings of engine, so that the extraneous air for carrying a large amount of gravels 29 or dust
Lead screw through the spirally inlet air mouth 4 on cylinder B2 enters in a B2, into the rotational flow air in cylinder B2 along the hand of spiral therewith
Identical flight 7 moves and obtains biggish centrifugal force by the guidance of the flight 7 of 1.5 circles;Obtain larger centrifugal force
When the air downward spiral of carrying gravel 29 or dust reaches cylinder D9, most of gravel 29 or dust reach and are provided with straight hole on cylinder B2
The inner wall of A3, reach cylinder B2 inner wall gravel 29 or dust a part through the straight hole A3 on cylinder B2 inner wall enter a B2 and cylinder A1 it
Between space, another part size greater than straight hole A3 gravel 29 or dust through cylinder B2 inner wall rebound directive cylinder D9 outer wall,
The sand that cylinder D9 reflects to the gravel 29 or dust that sputter thereon again, and launches tube B2 and cylinder D9 repeatedly
Gravel 29 or dust are collected the outlet below set B17 and are discharged or are stranded in the collection set bottom B17, and cylinder D9 outer wall is to larger gravel 29
Or the blocking of dust avoids the larger gravel 29 or dust being separated from leading due to being mixed again with the air in cylinder D9
The air in cylinder D9 is caused to be polluted again.
It is small that the air part passed through out of cylinder D9 inner conical surface A10 after flight 7d 1.5 encloses spiral carries small part
Gravel 29 or dust enter in inner conical surface B11 through inner conical surface A10, into inner conical surface A10 small part gravel 29 or dust exist
It is launched repeatedly under centrifugal action with the inner conical surface A10 on male cone (strobilus masculinus) 12 and cylinder D9 on the inner conical surface A10 of cylinder D9 collision and tube C5
The outlet of the set lower end B17 is quickly collected obliquely is discharged or is stranded in the collection set bottom B17.Under the action of the centrifugal force, into
Enter the reciprocal of the lower section cylinder of the gravel 29 carried in the rotational flow air in inner conical surface B11 or dust through inner conical surface B11 and cylinder C5
The final outlet of the set lower end B17 of quickly being collected of ejection is discharged or is stranded in the collection set bottom B17;Due to inner conical surface B11 and
Inner conical surface A10 is obliquely, so accelerating the gravel reflected to the reflection direction of the gravel 29 or dust that sputter thereon
29 or dust falling speed, effectively improve the efficiency of air filtration.
As shown in figure 13, the air that larger centrifugal force is obtained after 1.5 circle spirals of flight 7 is reached in downward spiral
When in the inner conical surface A10 of cylinder D9 between cylinder D9 outer wall and cylinder B2 inner wall, due to cylinder D9 outer cylinder, inner conical surface A10 and inner conical surface
The special construction of B11, space size occupied by air does not change, so the air pressure of air does not change.Work as inner cone
When moving in inner conical surface B11 after the air centrifugal filtration in the A10 of face through inner conical surface A10 continuation downward spiral, in inner conical surface B11
Space be gradually increased downwards, into space moment occupied by unit quantity air therebetween increase, into inner conical surface B11
The air pressure of air is gradually incremented by vertically downwards;And there is no changing since it takes up space for the air outside cylinder D9
Become, outside cylinder D9 and continues the sky that the air pressure for the air that downward spiral moves remains unchanged and is less than in cylinder D9 inner conical surface B11
The average gas pressure of gas;On the one hand pressure-air in inner conical surface B11 prevents to sputter between cylinder D9 outer wall and cylinder B2 inner wall larger
Gravel 29 enters in cylinder D9, prevents from being polluted again in the inner conical surface B11 of a D9 by filtered air;On the other hand, on cylinder D9
Inner conical surface B11 in pressure-air can be quickly through several cyclone pipes 8 on several straight hole B6 and cylinder C5 inner wall on cylinder C5
Into in cylinder C5, in final cylinder B2 the air through centrifugal filtration successively through on cylinder C5 several straight hole B6 and several cyclone pipes 8 into
Enter in a C5, into the air in cylinder C5 because caused by engine suction opening of the negative pressure through the upper end cylinder C5 quickly to dry type air filter
Movement.
When the gravel 29 or dust that reflect through cylinder D9 inner conical surface B11 are sputtered on a C5 lower section minor diameter cylinder, due to
Straight hole B6 is located at the height in the aperture that the aperture height on cylinder C5 inner wall is located on cylinder C5 outer cylinder greater than straight hole B6, so by splashing
The gravel 29 or dust penetrated, which will not enter through straight hole B6 in C5, forms secondary pollution to the air in cylinder C5;Pass through several straight holes
B6 and the air for flowing through several cyclone pipes 8 form local eddy flow again through the guidance of cyclone pipe 8 and obtain certain centrifugal force again
Into in cylinder C5;Under second centrifugation, from cyclone pipe 8 come out and enter cylinder C5 in air carry smaller gravel 29 or
Dust is separated again and the reflection through cylinder C5 inner wall is quickly fallen into the collection set A16 of lower section, is completed to will enter dry type
The filtering again of the air of air filter, the filtering to air for effectively reducing dry type air filter are born.
After use after a period of time, vehicle is safeguarded, successively unscrewing thread set 25, collection set C24, collection
It covers B17 and collects set A16, then cleaning collects set A16, collects set B17 and collects the gravel 29 or dust in set C24;It is due-in
After collection set A16 is cleaned out with the gravel 29 collected in set C24 or dust, then it will successively collect set A16, collection set B17, collect
Set C24 and thread bush 25 screw on.
If the thread bush 25 in the present invention can be adjusted according to dust storm size in vehicle use process;Turn spiral shell
Line set 25 makes it along collecting the lower section of set B17 straight up or moving downward, so that thread bush 25 gradually releases or further adds
By force to the limitation of several centering blocks 21;If dust storm is big, the air entered from air inlet 4 is more containing particle, it is contemplated that air filter is not easy
When filtering is clean or exceeds filter capacity, turn thread bush 25 moves upwards and releases the limitation to centering block 21, if intervening
Under the action of the scroll spring 20 of compression, several centering blocks 21 drive several sectorial blocks 22 to swing around simultaneously respectively, collect set
The opening size of the lower end B17 is bigger, and the air in cylinder B2 is most of to be collected set B17 lower ending opening discharge for particle, and from out
The gas that port is gone out will be seldom containing grain amount, but under this measure, the air inflow of engine can be reduced, the work function of engine
Rate decline, automobile is powerless, can only slowly walk, but ensure that the safety of engine, if dust storm is very big, that is not so good as directly to stop
It gets off.If dust storm is small, turn thread bush 25 is moved downward, if the annular outer cambered surface 26 under thread bush 25 further acts on
Dry centering block 21 so that several centering blocks 21 drive 22 pairs of several sectorial blocks collect set B17 lower ending openings carry out certain closure or
It is tuned into osculum, to reduce the air in cylinder B2 through collecting the amount of set B17 lower ending opening discharge, to guarantee the enough suctions of engine
Tolerance.
It modulates the turn amplitude of thread bush 25 according to the dust storm size of engine, and then adjusts several centering blocks 21 and several
22 pairs of sectorial block are collected the opening amplitude for covering B17 lower ending opening;If dust storm is small, the opening amplitude of sectorial block 22 is smaller;If
Dust storm is big, and the opening amplitude of sectorial block 22 is bigger.
In conclusion beneficial effects of the present invention: the flight 7 in the present invention is to come in from the air inlet 4 on cylinder B2
Air provides spiral guidance so that obtain enough centrifugal speeds into the air in cylinder B2, the gravel 29 carried in air or
Dust obtains biggish centrifugal force, obtains in the air of enough centrifugal speeds biggish gravel 29 or dust under the action of the centrifugal force
Part arrival cylinder B2 inner wall and the space entered between a B2 and cylinder A1 through straight hole A3 simultaneously drop down onto collection set C24, portion size
Gravel 29 or dust greater than straight hole A3 size finally cover the lower end B17 through collecting with the rebound that replaces of cylinder D9 outer wall through cylinder B2 inner wall
Outlet be discharged or retain to collect set B17 in;There are also partial airs to carry gravel 29 or dust along the inner conical surface A10 of cylinder D9
Reach cylinder D9 inner conical surface B11 in, with the air movement of eddy flow state gravel 29 or dust under the influence of centrifugal force with cylinder
The inner conical surface B11 of D9 is collided and is launched obliquely in the outside wall surface of the cylinder C5 and finally reciprocating ejection between cylinder D9 and cylinder C5
The volume opening of the lower collection set lower end B17 through lower section is discharged or is resided in collection set B17.In partial air through in cylinder D9
Between the inner conical surface B11 entered on the lower end cylinder C5 minor diameter cylinder and cylinder D9 between conical surface A10 and male cone (strobilus masculinus) 12 and continue spiral
During moving downward, the air pressure between inner conical surface B11 on the lower end cylinder C5 minor diameter cylinder and cylinder D9 is with air gradually spiral
It moves downward and increases;On the one hand the pressure-air between inner conical surface B11 on cylinder C5 lower end minor diameter cylinder and cylinder D9 prevents
The larger gravel 29 sputtered between cylinder D9 outer wall and cylinder B2 inner wall enters the inner conical surface on the lower end cylinder C5 minor diameter cylinder and cylinder D9
Between B11, prevent from being polluted again between the inner conical surface B11 on tin lower end a C5 minor diameter cylinder and cylinder D9 by filtered air;
On the other hand, if pressure-air between inner conical surface B11 on the lower end cylinder C5 minor diameter cylinder and cylinder D9 is quickly through on cylinder C5
Several cyclone pipes 8 on dry straight hole B6 and cylinder C5 inner wall enter in cylinder C5, into the air in cylinder C5 because of engine suction caused by
Opening of the negative pressure through the upper end cylinder C5 quickly moved to dry type air filter.Into the air in cylinder C5 in drawing through corresponding cyclone pipe 8
Lead again in cylinder C5 formed local helical move and generates centrifugal action, into cylinder C5 air carrying smaller gravel 29
Or dust be sputtered onto a C5 under partial eccentric effect inner conical surface on and quickly fall into diagonally downward under the reflection of inner conical surface
It collects in set A16, and then completes the filtering again to the air entered in cylinder C5, to improve whole equipment to the mistake of air
Efficiency is filtered, so that the air entered in dry type air filter from cylinder C5 more cleans, reduces the filtering burden of dry type air filter, fundamentally
The replacement frequency of dry type air filter is reduced, the service life of dry type air filter is extended, reduces the maintenance cost of vehicle in wind sand environment.