CN207161234U - Primary air filter, air filter and walking machine - Google Patents
Primary air filter, air filter and walking machine Download PDFInfo
- Publication number
- CN207161234U CN207161234U CN201721096731.6U CN201721096731U CN207161234U CN 207161234 U CN207161234 U CN 207161234U CN 201721096731 U CN201721096731 U CN 201721096731U CN 207161234 U CN207161234 U CN 207161234U
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- air filter
- filter
- filter core
- seat
- air
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Abstract
The utility model discloses a kind of primary air filter, air filter and walking machine, wherein primary air filter includes filter core, the air filter seat for supporting filter core and the air filter lid for filter core to be pressed in air filter seat, the bottom of the air filter seat is provided with air inlet corresponding with filter core, and air filter lid is provided with gas outlet；Sealing is compressed by using annular convex rib and forms filtration channel with air inlet and gas outlet, it is simple in construction, reduce the skeleton of fixed filter core, reduce for the increased O-ring seal of seal face, good sealing effect, air filter sealing leak is avoided, and is convenient to mount and dismount, cost is cheap, and reduce gas outlet connection screw thread tooth number, increase tooth form, only needing during use to rotate several circles can just assemble in place, improve operation comfort；Further, since gas outlet is higher than air inlet, so rainwater can be avoided directly to rise to air filter lid air inlet from air filter seat bottom and enter subordinate's air filter.
Description
Technical field
It the utility model is related to field of air filtration, and in particular to a kind of primary air filter, air filter and walking machine.
Background technology
The air filter used on mini-tiller or lawn machine is included close to the secondary air filter of engine and away from engine
Primary air filter, multistage filtering carried out to the air for entering engine respectively, ensures that the performance of engine is high, and existing
Primary air filter be primarily present following problem：Can not solve waterproof problem well so that rainwater is easily by one-level
Air filter enters subordinate's air filter；Hidden danger be present in cartridge seal：Because air filter significant portion is all plastic products, the contracting of plastics
Water rate determines that seal face is not very smooth, and hidden danger is left to sealing；Complicated, in order to seal, end face also increases close
Sealing rubber ring；In addition, in order to ensure that foam sponge does not deform, foam sponge skeleton is also add, cost is high.
Therefore, be solve problem above, it is necessary to which a kind of primary air filter, air filter and walking machine, can simplify air filter
The structure of device, while air filter sealing leak is avoided, and be convenient to mount and dismount, cost is cheap.
Utility model content
In view of this, the purpose of this utility model is the defects of overcoming in the prior art, there is provided a kind of primary air filter, sky
Filter and walking machine, can simplify the structure of air filter, while avoid air filter sealing leak, and be convenient to mount and dismount, cost
It is cheap.
Primary air filter of the present utility model, including filter core, the air filter seat for supporting filter core and for by filter core pressure
The air filter lid of air filter seat, the bottom of the air filter seat are tightly provided with air inlet corresponding with filter core, air filter lid is set
It is equipped with gas outlet；And fixed filter core is directly pressed by air filter lid and forms filtration channel, simple in construction, good sealing effect,
Air filter sealing leak is avoided, and is convenient to mount and dismount, cost is cheap, and the air filter lid and air filter seat can use detachable
It is fixedly connected with installation.
Further, the air filter lid inner roof wall is provided with annular convex rib, and annular convex rib sealing is pressed in filter core and made
Filter core is fixed on air filter seat in a manner of corresponding with air inlet；By the setting of annular convex rib, pressure is compressed beneficial to improving, is protected
Demonstrate,prove good sealing effect.
Further, the gas outlet is located on the annular convex rib；Installed beneficial to escape pipe, avoid installing space larger,
Escape pipe is avoided to bend and block simultaneously.
Further, formed with the flase floor for supporting filter core in the middle part of the air filter seat, the air inlet is grate opening；
Installed beneficial to filter core is stable, while the effective area for increasing air inlet ensures that filter efficiency is high.
Further, the air filter, which covers, is further fixedly arranged on for preventing the raised pressing of filter core raised；The pressing
It is raised by multiple and be uniformly distributed in annular convex rib and enclose in region；The lower end for compressing piece presses on the upper surface of filter core,
Ensure filter core fixing-stable, avoid deformation and edge seal is affected.
Further, the side wall of the air filter lid is provided with the outlet nozzle connected with the gas outlet, the outlet nozzle with
The mode fixed jacket at interval is provided with adapter sleeve, the cylindrical of the adapter sleeve is provided with connection screw thread, inner circle
Formation is coated at the small circular conical surface of the cylindrical outer imperial palace in outlet nozzle front end；Formed by the small circular conical surface of outer imperial palace and be locked to ripple
Cylindrical sealing space is managed, ensures the good sealing effect of primary air filter.
The invention also discloses a kind of air filter, including secondary air filter and connected with secondary air filter above-mentioned
Primary air filter.
Further, the secondary air filter is connected with primary air filter by bellows；The primary air filter is provided with
Outlet nozzle, outlet nozzle fixed jacket in a manner of radially with interval are provided with adapter sleeve, and adapter sleeve inner circle forms outer
It is placed on the small circular conical surface of the cylindrical outer imperial palace in outlet nozzle front end；The end of the bellows is inserted outside the circular conical surface and outlet nozzle
Sealing is formed behind reducing space and extruding between circle.
Further, the cylindrical of the adapter sleeve is provided with connection screw thread, and corrugated tube end is provided with collar, a locking nut
Thread jacket is provided with axially promotion collar and makes the throw-out collar of bellows axial compression circular conical surface in adapter sleeve and its outer end.
The invention also discloses a kind of walking machine, the walking machine is provided with engine and for engine
The air filter of air filtering is crossed, the air filter is above-mentioned air filter.
The beneficial effects of the utility model are：A kind of primary air filter, air filter and vehicle with walking machine disclosed in the utility model
Tool, compress sealing by using annular convex rib and form filtration channel with air inlet and gas outlet, it is simple in construction, reduce fixation
The skeleton of filter core, reduce for the increased O-ring seal of seal face, good sealing effect, avoid air filter sealing leak, and
It is convenient to mount and dismount, cost is cheap, and reduces gas outlet connection screw thread tooth number, increases tooth form, only needs to rotate several circles during use
With regard to that can assemble in place, operation comfort is improved.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of air filter seat in the utility model；
Fig. 3 is the attachment structure schematic diagram of bellows and outlet nozzle in the utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, and Fig. 2 is the structural representation of air filter seat in the utility model, Fig. 3
For the attachment structure schematic diagram of bellows in the utility model and outlet nozzle, as illustrated, the primary air filter in the present embodiment
1, including filter core 2, the air filter seat 3 for supporting filter core and the air filter lid 4 for filter core to be pressed in air filter seat, it is described
The bottom of air filter seat is provided with air inlet corresponding with filter core, and air filter lid is provided with gas outlet；Air inlet corresponds to filter core table
Show that air enters primary air filter and by entering next stage air filter by gas outlet again after filter core from air inlet, and pass through sky
Filter cover is directly pressed fixed filter core and forms filtration channel, simple in construction, good sealing effect, avoids air filter sealing leak,
And it is convenient to mount and dismount, cost is cheap, and the air filter lid 4 can be fixedly connected with installation with air filter seat 3 using detachable；Together
When, air inlet is arranged at the bottom of air filter seat, and gas outlet is arranged at air filter and covered, beneficial to by gas outlet be set above into
Gas port, rainwater can be avoided directly to rise to the air inlet of air filter lid from air filter seat bottom and enter subordinate's air filter.
In the present embodiment, the air filter lid inner roof wall is provided with annular convex rib 5, and the annular convex rib 5 sealing is pressed in filter
Core simultaneously makes filter core be fixed on air filter seat in a manner of corresponding with air inlet；By the setting of annular convex rib, compressed beneficial to improving
Pressure, ensure good sealing effect.
In the present embodiment, the gas outlet is located on the annular convex rib；Beneficial to escape pipe install, avoid installing space compared with
Greatly, while escape pipe is avoided to bend and block.
In the present embodiment, the middle part of air filter seat 3 is formed with the flase floor 6 for supporting filter core 2, the air inlet
Grate opening；Installed beneficial to filter core 2 is stable, while the effective area for increasing air inlet ensures that filter efficiency is high.
In the present embodiment, it is further fixedly arranged on the air filter lid 4 for preventing the raised pressing projection 7 of filter core 2；Institute
Pressing projection 7 is stated by multiple and be uniformly distributed in annular convex rib 5 and enclose in region；It is described flatten projection 7 be and air filter lid 4 one
Body formed compression piece, the lower end for compressing piece press on the upper surface of filter core 2, ensure the fixing-stable of filter core 2, avoid deformation
With edge seal is affected.
In the present embodiment, as illustrated, the primary air filter 1 is provided with outlet nozzle 8, the outlet nozzle 8 is with radially
Have spaced mode fixed jacket and be provided with adapter sleeve 9, the inner circle of adapter sleeve 9, which is formed, is coated at cylindrical outer in the front end of outlet nozzle 8
The small circular conical surface of imperial palace；The end of the bellows insert the circular conical surface and outlet nozzle 8 it is cylindrical between reducing space and squeeze
Sealing is formed after pressure；The bellows can be installed on adapter sleeve 9 by existing clamping device, pass through the small circular cone of outer imperial palace
Face forms and is locked to the cylindrical sealing space of bellows, ensures the good sealing effect of primary air filter 1.
In the present embodiment, the cylindrical of the adapter sleeve 9 is provided with connection screw thread, and corrugated tube end is provided with collar 10, and one
Locking nut thread jacket is provided with adapter sleeve 9 and its outer end and axially promotes collar 10 to make bellows axial compression circular conical surface
Throw-out collar；Easy for installation, sealing is stable.
In the present embodiment, the bottom of the air filter seat 3 is provided with the mounting assembly for installing primary air filter 1, institute
Stating mounting assembly includes plain washer and the fastening being connected through plain washer and with being arranged at the installation screwed hole of the bottom of air filter seat 3
Bolt；The air filter seat 3 is bolted with air filter lid 4, and the stud for being used to fix air filter lid 4 is fixed on sky
Filter seat 3；Simple in construction, installation is stable, easy to operate.
The present embodiment also discloses a kind of air filter, including secondary air filter and connected with secondary air filter it is above-mentioned just
Level air filter 1；The secondary air filter is connected with primary air filter 1 by bellows 11；And the both ends of bellows 11 can adopt
With above-mentioned connection sealing structure, sealing is stable, and the cylindrical connection screw thread of adapter sleeve 9 can be coarse-pitch thread, and guarantee is easy to process,
And service life is grown, can lack turnning circle during operation can fix.
The present embodiment also discloses a kind of walking machine, and the walking machine is provided with engine and for giving engine mistake
The air filter of air filtering, the air filter are above-mentioned air filter；The walking machine can be mini-tiller or lawn machine etc..
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (10)
- A kind of 1. primary air filter, it is characterised in that：Air filter seat including filter core, for supporting filter core and for by filter core pressure The air filter lid of air filter seat, the bottom of the air filter seat are tightly provided with air inlet corresponding with filter core, air filter lid is set It is equipped with gas outlet.
- 2. primary air filter according to claim 1, it is characterised in that：The air filter lid inner roof wall is provided with convex annular Muscle, annular convex rib sealing are pressed in filter core and filter core is fixed on air filter seat in a manner of corresponding with air inlet.
- 3. primary air filter according to claim 2, it is characterised in that：The gas outlet is located on the annular convex rib.
- 4. primary air filter according to claim 1, it is characterised in that：Formed with for supporting in the middle part of the air filter seat The flase floor of filter core, the air inlet are grate opening.
- 5. primary air filter according to claim 2, it is characterised in that：The air filter, which covers to be further fixedly arranged on, to be used for Prevent that the raised pressing of filter core is raised；It is described flatten it is raised by multiple and be uniformly distributed in annular convex rib and enclose in region.
- 6. primary air filter according to claim 1, it is characterised in that：Also include the outlet connected with the gas outlet Mouth, outlet nozzle fixed jacket in a manner of radially with interval are provided with adapter sleeve, the cylindrical setting of the adapter sleeve There is connection screw thread, inner circle forms and is coated at the small circular conical surface of the cylindrical outer imperial palace in outlet nozzle front end.
- A kind of 7. air filter, it is characterised in that：Connected including secondary air filter and with secondary air filter as claim 1-6 appoints Primary air filter described in one claim.
- 8. air filter according to claim 7, it is characterised in that：The secondary air filter passes through ripple with primary air filter Pipe connects；The primary air filter is provided with outlet nozzle, and outlet nozzle fixed jacket in a manner of radially with interval is set Adapter sleeve is equipped with, adapter sleeve inner circle forms and is coated at the small circular conical surface of the cylindrical outer imperial palace in outlet nozzle front end；The bellows Formed and sealed behind reducing space and extruding between the end insertion circular conical surface and outlet nozzle are cylindrical.
- 9. air filter according to claim 8, it is characterised in that：The cylindrical of the adapter sleeve is provided with connection screw thread, ripple Line tube end is provided with collar, and a locking nut thread jacket is provided with adapter sleeve and its outer end and axially promotes collar to make ripple The throw-out collar of pipe axial compression circular conical surface.
- 10. a kind of walking machine, the walking machine is provided with engine and the air filter for crossing air filtering to engine, its It is characterised by：The air filter is the air filter described in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721096731.6U CN207161234U (en) | 2017-08-29 | 2017-08-29 | Primary air filter, air filter and walking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721096731.6U CN207161234U (en) | 2017-08-29 | 2017-08-29 | Primary air filter, air filter and walking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161234U true CN207161234U (en) | 2018-03-30 |
Family
ID=61719595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721096731.6U Active CN207161234U (en) | 2017-08-29 | 2017-08-29 | Primary air filter, air filter and walking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161234U (en) |
-
2017
- 2017-08-29 CN CN201721096731.6U patent/CN207161234U/en active Active
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