CN215979643U - Split air filter for automobile engine - Google Patents
Split air filter for automobile engine Download PDFInfo
- Publication number
- CN215979643U CN215979643U CN202122119143.2U CN202122119143U CN215979643U CN 215979643 U CN215979643 U CN 215979643U CN 202122119143 U CN202122119143 U CN 202122119143U CN 215979643 U CN215979643 U CN 215979643U
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- CN
- China
- Prior art keywords
- dust
- dust collecting
- casing
- air cleaner
- automobile engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000428 dust Substances 0.000 claims abstract description 94
- 239000004033 plastic Substances 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 238000007667 floating Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a split type air filter for an automobile engine, which adopts the technical scheme that: the dust collector comprises an upper shell, wherein a lower shell is arranged at the bottom of the upper shell, a vibration mechanism is arranged in the upper shell, and a dust collection mechanism is arranged in the lower shell; the vibration mechanism comprises a reciprocating screw rod, the top of the reciprocating screw rod is connected with the top of the upper shell through a bearing, and a bearing seat is sleeved outside the reciprocating screw rod, so that the vibration mechanism has the beneficial effects that: through the billet production in vibration mechanism and the collection dirt mechanism and last vibrations, shake from the filter core surface with adnexed dust on the filter core, receive the wind-force influence that lasts simultaneously and blow the dust to the dust collecting tank top for the dust is concentrated and is floated in the top of dust collecting tank, when the engine stops the air admission, first spring shrink drives the plastic slab and slides along the notch, makes the dust collecting tank top open, and inside the dust collecting tank was descended to levitate, the centralized processing of being convenient for.
Description
Technical Field
The utility model relates to the field of filters, in particular to a split type air filter for an automobile engine.
Background
The engine sucks a large amount of air in the working process, if the air is not filtered, dust suspended in the air is sucked into the cylinder, the abrasion of a piston group and the cylinder is accelerated, larger particles enter between the piston and the cylinder, and a serious cylinder pulling phenomenon is caused, which is particularly serious in a dry and sandy working environment.
The prior art has the following defects: the inside filter core surface of current automobile engine's air cleaner can adsorb a large amount of dusts after using for a long time, and the dust adheres to on the filter core and can make filter core air inlet effect receive the hindrance, influences the intake to the engine, increases the car energy consumption, needs regularly renew cartridge for the unable permanent use of filter core has increased car owner's maintenance cost.
Therefore, there is a need for a split air cleaner for an automotive engine.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a split type air filter for an automobile engine, which solves the problem that the air inlet effect of a filter element is hindered due to the attachment of dust on the filter element through a vibration mechanism and a dust collection mechanism, the air inlet amount of the engine is influenced, and the filter element cannot be used for a long time.
In order to achieve the above purpose, the utility model provides the following technical scheme: a split type air filter for an automobile engine comprises an upper shell, wherein a lower shell is arranged at the bottom of the upper shell, a vibration mechanism is arranged in the upper shell, and a dust collection mechanism is arranged in the lower shell;
the vibration mechanism comprises a reciprocating screw rod, the top of the reciprocating screw rod is connected with the top of an upper shell through a bearing, a bearing seat is sleeved outside the reciprocating screw rod, fixed plates are arranged on two sides of the reciprocating screw rod, the tops of the two fixed plates are fixedly connected with the top of the upper shell, a limiting column is fixedly arranged on one side of the two fixed plates, a fixed block is fixedly arranged at the bottom of the bearing seat, hooks are arranged on two sides of the fixed block, the fixed block and the two hooks are movably connected through a rotating shaft, second springs are arranged on two sides inside the bearing seat, one ends of the two second springs are connected with the bearing seat through hinges, the other ends of the two second springs are respectively connected with the two hooks through hinges, a vibration assembly is arranged at the bottom of the fixed block and comprises an upper clamping block and a movable block, the upper clamping block is fixedly connected with the upper shell, go up the inside vibrations unit that is equipped with of clamp splice, the vibrations unit includes the billet, the billet both ends all with last clamp splice fixed connection, billet top and movable block bottom fixed connection.
Preferably, the vibration unit comprises a cross steel bar, four ends of the cross steel bar are fixedly connected with the upper clamping block, and the top of the cross steel bar is fixedly connected with the bottom of the movable block.
Preferably, dust collecting mechanism includes the dust collecting tank, the dust collecting tank is located the casing bottom down, the dust collecting tank top is equipped with the plastic slab, the fixed plastic shell that is equipped with in plastic slab top, dust collecting tank one side is equipped with the handle, handle one side is equipped with sealing door, sealing door one side is equipped with the rubber buffer, the dust collecting tank opposite side is equipped with the dog, dog and casing bottom fixed connection down, plastic slab one side is equipped with first spring, first spring both ends pass through hinged joint with plastic slab and casing down respectively, the plastic slab bottom is equipped with two lugs, the dust collecting tank top is equipped with two recesses, the lug extend into inside and with recess sliding connection of recess.
Preferably, the bearing seat is connected with the reciprocating screw rod through a ball nut pair, sliding grooves are formed in two sides of the bearing seat, and one ends of the two limiting columns extend into the two sliding grooves respectively and are in sliding connection with the sliding grooves.
Preferably, both sides of the lower shell are provided with notches, and both sides of the plastic plate extend into the notches and are in sliding connection with the notches.
Preferably, the inside fixed protective housing that is equipped with of last casing, the inside fixed motor that is equipped with of protective housing, the fixed connecting axle that is equipped with of motor output, the connecting axle top passes through the bearing with last casing top and is connected.
Preferably, the connecting shaft and the outside all fixed cover of reciprocal lead screw are equipped with the belt pulley, two the outside cover of belt pulley is equipped with the belt, the belt runs through the protective housing.
Preferably, go up the casing and all seted up the seal groove with casing inside down, the inside annular rubber buffer that is equipped with of seal groove, go up the fixed air outlet that is equipped with in casing one side, the fixed air intake that is equipped with in casing one side down, the inside fixed clamp splice that is equipped with down of casing down, go up the clamp splice and be equipped with the filter core down between the clamp splice.
Preferably, the sealing door is connected with the lower shell through a bolt fastener.
Preferably, the upper housing and the lower housing are connected by a bolt fastener.
The utility model has the beneficial effects that:
1. when the engine stops air intake, the first spring contracts to drive the plastic plate to slide along the notch, so that the top of the dust collecting groove is opened, and the floating dust falls into the dust collecting groove, thereby facilitating centralized treatment;
2. the movable block is hooked by the hook and separated from the movable block, so that the steel bar generates continuous vibration to shake off dust attached to the filter element from the surface of the filter element, the shaken off dust is blown to the upper part of the dust collecting groove under the influence of continuous wind, and the filter element is influenced by the steel bar to continuously vibrate and blow the dust to the right direction under the influence of wind, so that the dust is concentrated and floats above the dust collecting groove.
Drawings
FIG. 1 is a perspective view provided by the present invention;
FIG. 2 is a perspective view of a lower housing provided by the present invention;
FIG. 3 is a perspective view of the dust collection mechanism provided by the present invention;
FIG. 4 is a front cross-sectional view provided by the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 4 according to the present invention;
FIG. 6 is an enlarged view at B of FIG. 4 according to the present invention;
FIG. 7 is an enlarged view at C of FIG. 5 in accordance with the present invention;
FIG. 8 is a perspective view of a shock assembly provided in the present invention;
fig. 9 is a schematic structural diagram of embodiment 2 provided by the present invention.
In the figure: 1 go up casing, 2 casing down, 3 belt pulleys, 4 connecting axles, 5 annular rubber plugs, 6 go up the clamp splice, 7 clamp splices down, 8 movable block, 9 filter cores, 10 billet, 11 protective housing, 12 motors, 13 belts, 14 reciprocal lead screws, 15 fixed plates, 16 sealing door, 17 plastic slab, 18 dust collecting tank, 19 plastic housing, 20 notches, 21 first spring, 22 bearing frame, 23 spacing post, 24 couples, 25 fixed blocks, 26 second spring, 27 cross billet.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
the vibration mechanism comprises a reciprocating screw rod 14, the top of the reciprocating screw rod 14 is connected with the top of an upper shell 1 through a bearing, a bearing seat 22 is sleeved outside the reciprocating screw rod 14, fixing plates 15 are arranged on two sides of the reciprocating screw rod 14, the tops of the fixing plates 15 are fixedly connected with the top of the upper shell 1, a limiting column 23 is fixedly arranged on one side of each fixing plate 15, a fixing block 25 is fixedly arranged at the bottom of the bearing seat 22, hooks 24 are arranged on two sides of the fixing block 25, the fixing block 25 and the two hooks 24 are movably connected through a rotating shaft, second springs 26 are arranged on two sides inside the bearing seat 22, one ends of the second springs 26 are hinged with the bearing seat 22, the other ends of the second springs 26 are hinged with the two hooks 24 respectively, a vibration assembly is arranged at the bottom of the fixing block 25 and comprises an upper clamping block 6 and a movable block 8, the upper clamping block 6 is fixedly connected with the upper shell 1, a vibration unit is arranged inside the upper clamping block 6 and comprises a steel bar 10, two ends of the steel bar 10 are fixedly connected with the upper clamping block 6, the top of the steel bar 10 is fixedly connected with the bottom of the movable block 8, the movable block 8 is hooked by a hook 24 and separated from the movable block 8, so that the steel bar 10 generates continuous vibration to shake off dust attached to the filter element 9 from the surface of the filter element 9, and the shaken dust is blown to the upper side of the dust collecting groove 18 under the influence of continuous wind power, and the filter element 9 is influenced by the steel bar 10 to continuously shake and blow the dust to the right side under the influence of wind power so that the dust is concentrated and floats above the dust collecting groove 18;
further, the dust collection mechanism comprises a dust collection groove 18, the dust collection groove 18 is arranged at the bottom of the lower shell 2, a plastic plate 17 is arranged at the top of the dust collection groove 18, a plastic shell 19 is fixedly arranged at the top of the plastic plate 17, a handle is arranged on one side of the dust collection groove 18, a sealing door 16 is arranged on one side of the handle, a rubber plug is arranged on one side of the sealing door 16, a stopper is arranged on the other side of the dust collection groove 18 and fixedly connected with the bottom of the lower shell 2, a first spring 21 is arranged on one side of the plastic plate 17, two ends of the first spring 21 are respectively connected with the plastic plate 17 and the lower shell 2 through hinges, two convex blocks are arranged at the bottom of the plastic plate 17, two grooves are arranged at the top of the dust collection groove 18, the convex blocks extend into the grooves and are in sliding connection with the grooves, when the engine blows the air, the plastic shell 19 to move by wind force, so that the plastic plate 17 slides along the groove opening 20, the plastic plate 17 moves to block the opening of the dust collecting groove 18, so that when the air enters the engine, dust in the dust collecting groove 18 is prevented from floating out, when the air enters the engine, the first spring 21 contracts to drive the plastic plate 17 to slide along the notch 20, so that the top of the dust collecting groove 18 is opened, the floating dust falls into the dust collecting groove 18, and the dust is prevented from attaching to the surface of the filter element 9;
furthermore, the bearing seat 22 is connected with the reciprocating screw rod 14 through a ball nut pair, sliding grooves are formed in both sides of the bearing seat 22, and one ends of the two limiting columns 23 extend into the two sliding grooves respectively and are connected with the sliding grooves in a sliding manner;
furthermore, two sides of the lower shell 2 are both provided with notches 20, and two sides of the plastic plate 17 extend into the notches 20 and are in sliding connection with the notches 20;
further, a protective shell 11 is fixedly arranged inside the upper shell 1, a motor 12 is fixedly arranged inside the protective shell 11, a connecting shaft 4 is fixedly arranged at the output end of the motor 12, and the top of the connecting shaft 4 is connected with the top of the upper shell 1 through a bearing;
furthermore, belt pulleys 3 are fixedly sleeved outside the connecting shaft 4 and the reciprocating screw rod 14, belts 13 are sleeved outside the two belt pulleys 3, and the belts 13 penetrate through the protective shell 11;
furthermore, sealing grooves are formed in the upper shell 1 and the lower shell 2, an annular rubber plug 5 is arranged in each sealing groove, an air outlet is fixedly formed in one side of the upper shell 1, an air inlet is fixedly formed in one side of the lower shell 2, a lower clamping block 7 is fixedly arranged in the lower shell 2, a filter element 9 is arranged between the upper clamping block 6 and the lower clamping block 7, and the annular rubber plug 5 has an air leakage prevention effect;
further, the sealing door 16 is connected with the lower shell 2 through a bolt fastener;
further, go up casing 1 and be connected through bolt fastening spare with lower casing 2, bolt fastening spare has the effect of the dismouting of being convenient for.
The using process of the utility model is as follows: when the utility model is used, the novel connecting device is used for connecting an external power supply, when an engine enters air, wind power flows into the lower shell 2 through an air inlet, the plastic shell 19 is blown by the wind power to move the plastic shell 19, the plastic shell 19 moves to drive the plastic plate 17 to slide along the notch 20, the plastic plate 17 moves to extend the first spring 21, the plastic plate 17 moves to block the opening of the dust collecting groove 18, when the engine enters the air, dust in the dust collecting groove 18 is prevented from floating out, the wind power carries the dust into the lower shell 2, the dust is blocked by the filter element 9, the dust is filtered by the filter element 9, the wind power enters the upper shell 1 and is discharged into the engine through an air outlet, the motor 12 is started, the motor 12 rotates to drive the belt pulley 4 to rotate, the connecting shaft 4 rotates to drive the belt pulley 3 to rotate, the belt pulley 3 rotates to drive the belt 13 to rotate, so that the reciprocating screw rod 14 rotates to drive the bearing seat 22 to move upwards, the bearing seat 22 moves to drive the fixed block 25 to move, the fixed block 25 moves to drive the hook 24 to move, the hook 24 moves to drive the movable block 8 to move, the movable block 8 moves to enable the steel bar 10 to swell, meanwhile, when the hook 24 moves to be in contact with the fixed plate 15, the hook 24 is influenced by the fixed plate 15 to incline, the second spring 26 contracts, the bottom of the hook 24 is separated from the movable block 8, the movable block 8 loses traction, the steel bar 10 drives the movable block 8 to rebound under the influence of the elasticity of the steel bar 10, the steel bar 10 vibrates the filter element 9, when the bearing seat 22 returns along the reciprocating screw rod 14, the bottom of the hook 24 is in contact with the top of the movable block 8 and is influenced by the inclined plane, the hook 24 hooks the movable block 8 when falling to the bottom, the steel bar 10 generates continuous vibration, dust attached to the filter element 9 shakes off from the surface of the filter element 9, and simultaneously, the shaken off dust is blown off to the upper part of the dust collection groove 18 under the influence of continuous wind force, the filter element 9 is influenced by the steel bar 10 to continuously vibrate and wind power blows dust to move rightwards, so that the dust is intensively floated above the dust collecting groove 18, when an engine stops air inlet, the plastic shell 19 loses wind power to blow, the first spring 21 contracts to reset, the first spring 21 contracts to drive the plastic plate 17 to slide along the notch 20, the plastic plate 17 slides on the dust collecting groove 18, so that the top of the dust collecting groove 18 is opened, the floated dust falls into the dust collecting groove 18, the dust is prevented from being attached to the surface of the filter element 9, the ventilation effect of the filter element 9 is better, the air inlet amount of the engine is increased, the energy consumption of an automobile is reduced, the service time of the filter element is longer, the maintenance cost is reduced, the sealing door 16 is opened through a bolt fastener, the dust collecting groove 18 is taken out of the lower shell 2 through a handle, the effect of being convenient for centralized cleaning is achieved, and after the cleaning is finished, the groove at the top of the dust collecting groove 18 is matched with the lug at the bottom of the plastic plate 17, the dust collecting groove 18 is placed in the lower shell 2, the sealing door 16 is mounted on the lower shell 2 through a bolt fastener, and the rubber stopper on the surface of the sealing door 16 is matched to prevent the air leakage phenomenon.
In embodiment 2, referring to fig. 9, the split air cleaner for the automobile engine provided by the utility model, the vibration unit includes a cross steel bar 27, four ends of the cross steel bar 27 are all fixedly connected with the upper clamping block 6, the top of the cross steel bar 27 is fixedly connected with the bottom of the movable block 8, the vibration range of the cross steel bar 27 is wider when the cross steel bar 27 generates vibration, and the effect of preventing dust from attaching is better.
The using process of the utility model is as follows: when the dust collecting device is used, the cross steel bar 27 generates continuous vibration, so that dust attached to the filter element 9 is shaken off from the surface of the filter element 9, meanwhile, the shaken dust is blown to the upper part of the dust collecting groove 18 under the influence of continuous wind, the filter element 9 is continuously vibrated and blown by the wind under the influence of the cross steel bar 27 to move rightwards, so that the dust is concentrated and floats on the upper part of the dust collecting groove 18, when an engine stops air inlet, the plastic shell 19 loses the wind blowing, the first spring 21 contracts and resets, the first spring 21 contracts to drive the plastic plate 17 to slide along the notch 20, so that the plastic plate 17 slides on the dust collecting groove 18, the top of the dust collecting groove 18 is opened, the floating dust is fallen into the dust collecting groove 18, the dust is prevented from being attached to the surface of the filter element 9, the ventilation effect of the filter element 9 is better, the air inlet amount of the engine is increased, the energy consumption of an automobile is reduced, and the service life of the filter element is longer, the maintenance cost is reduced, the vibration range of the cross steel bar 27 is wider when vibration is generated, and the effect of preventing dust adhesion is better.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. A split type air cleaner for an automobile engine, comprising an upper case (1), characterized in that: a lower shell (2) is arranged at the bottom of the upper shell (1), a vibration mechanism is arranged in the upper shell (1), and a dust collection mechanism is arranged in the lower shell (2);
the vibration mechanism comprises a reciprocating screw rod (14), the top of the reciprocating screw rod (14) is connected with the top of an upper shell (1) through a bearing, a bearing seat (22) is sleeved outside the reciprocating screw rod (14), fixing plates (15) are arranged on two sides of the reciprocating screw rod (14), the tops of the fixing plates (15) are fixedly connected with the top of the upper shell (1), a limiting column (23) is fixedly arranged on one side of each of the fixing plates (15), a fixing block (25) is fixedly arranged on the bottom of the bearing seat (22), hooks (24) are arranged on two sides of the fixing block (25), the fixing block (25) is movably connected with the two hooks (24) through a rotating shaft, second springs (26) are arranged on two sides inside the bearing seat (22), one ends of the second springs (26) are hinged with the bearing seat (22), and the other ends of the second springs (26) are hinged with the two hooks (24) respectively, fixed block (25) bottom is equipped with the vibrations subassembly, the vibrations subassembly includes clamp splice (6) and movable block (8), go up clamp splice (6) and last casing (1) fixed connection, it is equipped with vibrations unit to go up clamp splice (6) inside, vibrations unit includes billet (10), billet (10) both ends all with last clamp splice (6) fixed connection, billet (10) top and movable block (8) bottom fixed connection.
2. The split type air cleaner for an automobile engine according to claim 1, characterized in that: the vibration unit comprises a cross steel bar (27), four ends of the cross steel bar (27) are fixedly connected with the upper clamping block (6), and the top of the cross steel bar (27) is fixedly connected with the bottom of the movable block (8).
3. The split type air cleaner for an automobile engine according to claim 1, characterized in that: the dust collecting mechanism comprises a dust collecting groove (18), the dust collecting groove (18) is arranged at the bottom of the lower shell (2), a plastic plate (17) is arranged at the top of the dust collecting groove (18), a plastic shell (19) is fixedly arranged at the top of the plastic plate (17), a handle is arranged at one side of the dust collecting groove (18), a sealing door (16) is arranged at one side of the handle, a rubber plug is arranged on one side of the sealing door (16), a stop block is arranged on the other side of the dust collecting groove (18), the stop block is fixedly connected with the bottom of the lower shell (2), one side of the plastic plate (17) is provided with a first spring (21), the two ends of the first spring (21) are respectively connected with the plastic plate (17) and the lower shell (2) through hinges, the bottom of the plastic plate (17) is provided with two projections, the top of the dust collection groove (18) is provided with two grooves, and the projections extend into the grooves and are in sliding connection with the grooves.
4. The split type air cleaner for an automobile engine according to claim 1, characterized in that: the bearing seat (22) is connected with the reciprocating screw rod (14) through a ball nut pair, sliding grooves are formed in two sides of the bearing seat (22), and one ends of the two limiting columns (23) extend into the two sliding grooves respectively and are connected with the sliding grooves in a sliding mode.
5. A split air cleaner for an automotive engine according to claim 3, wherein: lower casing (2) both sides all are equipped with notch (20), plastic slab (17) both sides all extend into inside and with notch (20) sliding connection of notch (20).
6. The split type air cleaner for an automobile engine according to claim 1, characterized in that: go up casing (1) inside fixed protective housing (11) that is equipped with, protective housing (11) inside fixed motor (12) that is equipped with, motor (12) output end is fixed and is equipped with connecting axle (4), connecting axle (4) top is passed through the bearing with last casing (1) top and is connected.
7. The split type air cleaner for an automobile engine according to claim 6, wherein: connecting axle (4) and reciprocal lead screw (14) outside all fixed cover are equipped with belt pulley (3), two belt pulley (3) outside cover is equipped with belt (13), protective housing (11) is run through in belt (13).
8. The split type air cleaner for an automobile engine according to claim 1, characterized in that: go up casing (1) and casing (2) inside seal groove of all having seted up down, seal groove inside is equipped with annular rubber buffer (5), go up casing (1) one side and fixedly be equipped with the air outlet, casing (2) one side is fixed down and is equipped with the air intake, casing (2) inside is fixed down and is equipped with clamp splice (7) down, go up clamp splice (6) and be equipped with between clamp splice (7) filter core (9) down.
9. A split air cleaner for an automotive engine according to claim 3, wherein: the sealing door (16) is connected with the lower shell (2) through a bolt fastener.
10. The split type air cleaner for an automobile engine according to claim 1, characterized in that: the upper shell (1) is connected with the lower shell (2) through a bolt fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122119143.2U CN215979643U (en) | 2021-09-03 | 2021-09-03 | Split air filter for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122119143.2U CN215979643U (en) | 2021-09-03 | 2021-09-03 | Split air filter for automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215979643U true CN215979643U (en) | 2022-03-08 |
Family
ID=80521639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122119143.2U Expired - Fee Related CN215979643U (en) | 2021-09-03 | 2021-09-03 | Split air filter for automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215979643U (en) |
-
2021
- 2021-09-03 CN CN202122119143.2U patent/CN215979643U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |