CN104564407A - Internal combustion machine - Google Patents
Internal combustion machine Download PDFInfo
- Publication number
- CN104564407A CN104564407A CN201410679048.XA CN201410679048A CN104564407A CN 104564407 A CN104564407 A CN 104564407A CN 201410679048 A CN201410679048 A CN 201410679048A CN 104564407 A CN104564407 A CN 104564407A
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- Prior art keywords
- air
- empty
- air inlet
- inlet cylinder
- piston ring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F5/00—Piston rings, e.g. associated with piston crown
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/022—Air cleaners acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls
- F02M35/0223—Air cleaners acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls by centrifugal forces, e.g. cyclones
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/026—Air cleaners acting by guiding the air over or through an oil or other liquid bath, e.g. combined with filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/12—Details
- F16J9/14—Joint-closures
- F16J9/16—Joint-closures obtained by stacking of rings
Abstract
The invention discloses an internal combustion machine. A piston ring of the internal combustion machine is broken, thereby forming two end openings; the two end openings are connected together, thereby forming an enclosed ring; forward protruding parts used for overlapping mutually are arranged on the two end openings respectively; an output shaft and a starting pulling disk assembly are arranged back to back; the output shaft is positioned in front of a diesel engine in a working state; the starting pulling disk assembly is positioned behind the diesel engine in the working state; a cylinder head is positioned at the front end above a machine body; an oil tank and a silencer are positioned on both sides of the back end above the machine body; an air filter is positioned between the oil tank and the silencer, and is connected with an air inlet pipe. The diesel engine can be restarted without losing control on the machine, so that the starting efficiency and the working safety are improved greatly. Through improvement on the piston ring of the internal combustion machine, the working reliability of the engine is improved, and meanwhile a better air filtering effect is achieved.
Description
Technical field
The present invention relates to internal-combustion engine technology to improve, specifically refer to a kind of lawn machine air-cooled diesel engine, belong to general dynamic technical field.
Background technique
Along with the development in city, the input of urban afforestation is increasing.In many cities and small town, often build a large amount of lawn, time lawn growth arrives certain, needed to prune, to keep the beautiful scenery in gardens.In order to repair lawn, prior art devises special small-sized lawn trimmer (abbreviation lawn machine).The power of lawn machine is internal-combustion engine, is generally single-cylinder air-cooled small diesel engine.Because lawn machine is often hand-pushing, power is all smaller, and when cutting the grass on a lawn, as fruit branch leaf is longer, branches and leaves are easily wrapped on cutter, thus cause stopping working, and restarts once flame-out just needs.In existing lawn mower Design Technology for Diesels, all by starting pulling plate hand pull starting-up, and starting the side that pulling plate is generally all located at lawn mower, needing operator to re-start startup around to machine side surface, very inconvenient.Meanwhile, if machine is parked on the lawn of inclination, or grass on lawn is softer, because when people starts, both hands leave handrail, loses the control to machine, therefore may occur the danger that machine is tumbled.In order to avoid this danger, have to machine to be parked in a safer place, but this can affect start-up course again.Meanwhile, existing lawn mower diesel engine constituent elements is arranged comparatively loose, compact not, causes overall machine volume bigger than normal.
In addition, because lawn machine is in the process of weeding, a large amount of brokenly to cut can be produced, dance in the air everywhere, and any motor Dou You admission gear, although carry out clean filtration by air-strainer to air before air inlet, if over-burden for air-strainer, air-strainer filtering effect can be affected equally, finally affect engine life.And the dust being entrained with careless slag that lawn machine work produces just is easy to the filtration affecting air-strainer, causes filter element replacing frequent on the one hand, also damage motor on the other hand.
Except lawn machine, also there is above-mentioned air-filtering and arrange the problems such as startup in the dynamic power machine such as snow breaker, agricultural ploughing machine.
Piston ring is the important parts of motor, and piston ring a kind ofly has the metallic elastic ring expanding outwardly more greatly distortion, and it is mounted in its corresponding circular groove of section.Back and forth and the piston ring of rotary motion, rely on the pressure difference of gas or liquid, seal at ring periphery and cylinder and being formed between ring and a side of annular groove.
High Temperature High Pressure due to engine chamber determines the severe of piston ring working environment, therefore requires higher to the structure of piston ring and material.During work, piston ring constantly to-and-fro motion, rubs back and forth with cylinder wall, and add the High Temperature High Pressure that firing chamber produces, therefore piston ring self often has very high temperature, and at high temperature, piston ring has the trend of dilatancy.Because piston ring size design is often very accurate with coordinating of peripheral parts (cylinder wall and piston), therefore even less thermal expansion also may bring negative effect to its operation, even affect whole system, particularly motor develops towards high rotary speed direction at present, and the impact of this respect can be more obvious.Given this, on the Material selec-tion of piston ring, just need the impact considering thermal distortion on the one hand, the structure overcoming thermal distortion that design is corresponding is simultaneously just necessary.But existing piston ring structure overcome in thermal distortion not very good.
Summary of the invention
For prior art above shortcomings, the object of the present invention is to provide a kind of internal-combustion engine, this internal-combustion engine by also improving the reliability of engine operation to the improvement of piston ring, simultaneously air-filtering better effects if.
To achieve these goals, the technical solution used in the present invention is such:
Internal-combustion engine, comprise fuel tank, air-strainer, silencing apparatus, valve mechanism cover, cylinder head, cylinder body, piston, piston ring, output shaft, operating grip support, start pulling plate assembly, body and suction tude, wherein air-strainer is connected with suction tude between fuel tank and silencing apparatus; Described piston ring disconnects and forms two-port, two-port is connected to form closed ring-type again, two-port has the protuberance for mutually overlapping outstanding forward respectively, wherein a protuberance and place end interior walls be smooth are given prominence to, another protuberance is smoothly given prominence to along place end outer wall, and the thickness sum of two protuberances is the wall thickness of piston ring; Wherein a protuberance is formed with T font convex tendon on the face of another protuberance, the face that another protuberance is relative is formed with the T-slot for holding T font convex tendon, the height of T font convex tendon is the degree of depth of T-slot, T font convex tendon is positioned at T-slot, wherein the overall size of T-slot is greater than T font convex tendon, forms self-regulation expansion joint to make both;
Described air-strainer is oil bath air cleaner, it mainly comprises sky lower cover, empty upper cover, metal filtering core, sponge filter core, empty case member and center tracheae, metal filtering core and sponge filter core are arranged in sky lower cover by respective fitting seat, and empty upper cover docks with empty lower cover and closes up the closed cylindrical structure of formation one and by bindiny mechanism's stressed joint; Be respectively equipped with a circular hole in the central position of empty upper cover upper end end face and sponge filter core and metal filtering core, center tracheae to be extend in sky lower cover by above-mentioned circular hole successively and is positioned at above the oil bath bottom sky lower cover;
Sky covers and is provided with an air inlet cylinder, air inlet cylinder is provided with some inlet holes; In air inlet cylinder, be provided with closing in conically shaped upward, on the endless belt between conically shaped and center tracheae, equal angles is provided with some coarse filtration blades, and all coarse filtration blades are obliquely installed formation helix structure in the same direction; Connected by annular connecting plate between air inlet cylinder and conically shaped, the inlet hole on air inlet cylinder is positioned under annular connecting plate, and annular connecting plate is provided with dust-discharging mouth; By empty case member end face air inlet cylinder is pressed on sky while empty case member is connected with center tracheae and covers.
Described air inlet cylinder lower end surface is provided with some profile of tooth breach, and this profile of tooth breach forms described inlet hole.
Described empty upper cover and empty lower cover closed position are provided with seal ring; Between sponge filter core and center tracheae, be provided with sealing gasket, seal ring and sealing gasket are rubber material and make.
The Placement of described empty case member and center tracheae is: be diametrically provided with a horizontal stroke side in tracheae upper-end surface, center, horizontal stroke side is arranged the screw rod that is positioned at central gas tubular axis line, empty case member to be enclosed within screw rod and to be pressed on air inlet cylinder by empty case member end face by nut check.
Described output shaft and startup pulling plate assembly are arranged dorsad, and wherein output shaft is positioned at the dead ahead of diesel engine working state, starts the dead astern that pulling plate assembly is positioned at diesel engine working state; Cylinder head is positioned at front end above body, and fuel tank and silencing apparatus are positioned at both sides, rear end above body; Wherein fuel tank is positioned on the left of body, and silencing apparatus is positioned on the right side of body, and air-strainer is between fuel tank and silencing apparatus and be connected with suction tude.
Compared to existing technology, the present invention has following beneficial effect:
1, this internal-combustion engine piston ring two ends lap position adopts T font convex tendon to be positioned at T-slot design, and both form self-regulation expansion joint, even if therefore there is larger thermal distortion, this expansion joint also can be good at self adaption.Therefore this piston ring impact that thermal distortion can be avoided to bring from structure, thus improve the functional reliability of internal-combustion engine.
2, air is by the preliminary filtration of coarse filtration blade and conically shaped, and in air, the dust of more than 80% is centrifuged power and gets rid of in the laying dust groove between air inlet cylinder and conically shaped, then is discharged by dust removal port.Tentatively filtered by this, significantly reduce the filtering burden of follow-up filtering section, improve the overall smoothing effect of air filter, extend maintenance period.
Although 3 air inlets and dedusting all will by the suction ports on air inlet cylinder, this product on intake resistance without impact, with improve before the intake resistance of air-strainer consistent.
4, by after carrying out above-mentioned improvement to air-strainer, this diesel engine combusts is more abundant, and engine operation is more reliable.
5, output shaft is positioned at the dead ahead of diesel engine working state by this internal-combustion engine, start the dead astern that pulling plate assembly is positioned at diesel engine working state, easily arrange trimming tool on the one hand, start pulling plate assembly on the other hand and be positioned at machine rear, even if need again to start, also a manual control handrail can be lived, only needing to vacate another hand to carry out starting, need not, as existing structure, needing around arriving machine side surface, therefore more convenient, efficiency is higher.Simultaneously because operator does not depart from the control to machine, so start-up course is safer.
6, this tank for internal combustion engine is positioned on the left of body, silencing apparatus is positioned on the right side of body, air-strainer is between fuel tank and silencing apparatus, when so both solving oiling, because silencing apparatus may the potential safety hazard (because both leave comparatively far away, fuel oil is not easy to drip and is spread across on silencing apparatus) come of temperature higher band, the air that the high temperature produced during silencing apparatus work simultaneously also enters side air-strainer has suitable pre-heat effect, be more conducive to again start, oil inflame is more abundant.
Accompanying drawing explanation
Fig. 1-whole internal-combustion engine of the present invention arranges schematic diagram.
Fig. 2-Fig. 1 rear view.
Fig. 3-air filtering device structure schematic diagram of the present invention.
The B-B sectional view of Fig. 4-Fig. 3.
Fig. 5-inventive piston central port is schematic diagram completely separately.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
See Fig. 1 and Fig. 2, upper as can be seen from figure, internal-combustion engine of the present invention, comprise fuel tank 31, air-strainer 32, silencing apparatus 33, valve mechanism cover 34, cylinder head 35, output shaft 36, operating grip support 37, start pulling plate assembly 38, body 39 and suction tude 40, wherein air-strainer 32 is connected with suction tude 40 between fuel tank 31 and silencing apparatus 33.Described output shaft 36 and startup pulling plate assembly 38 are arranged dorsad, and wherein output shaft 36 is positioned at the dead ahead of diesel engine working state, starts the dead astern that pulling plate assembly 38 is positioned at diesel engine working state; Cylinder head 35 is positioned at front end above body 39, and fuel tank 31 and silencing apparatus 33 are positioned at both sides, rear end above body 39.Particularly, described fuel tank 31 is positioned on the left of body 39, and silencing apparatus 33 is positioned on the right side of body 39, and air-strainer 32 is between fuel tank 31 and silencing apparatus 33 and be connected with suction tude 40.
Output shaft 36 is positioned at the dead ahead of diesel engine working state by this Structure of Internal-Combustion Engine, start the dead astern that pulling plate assembly 38 is positioned at diesel engine working state, output shaft easily can arrange trimming tool by fairly simple structure on the one hand, start pulling plate assembly 38 on the other hand and be positioned at machine rear, even if need again to start, also a manual control handrail can be lived, only need to vacate another hand to carry out starting, need not as existing structure, need around arriving machine side surface, therefore more convenient, efficiency is higher.Simultaneously because operator does not depart from the control to machine, so start-up course is safer.
In order to realize more reasonably arranging, this tank for internal combustion engine 31 is positioned on the left of body 39, silencing apparatus 33 is positioned on the right side of body 39, air-strainer 32 is between fuel tank 31 and silencing apparatus 33, when so both solving oiling, the potential safety hazard come due to silencing apparatus possibility temperature higher band (is left far away because of both, fuel oil is not easy to drip and is spread across on silencing apparatus), the air that the high temperature produced during silencing apparatus work simultaneously also enters side air-strainer has suitable pre-heat effect, be more conducive to again start, oil inflame is more abundant.
Described air-strainer 32 is oil bath air cleaner, and in order to alleviate the burden of air-strainer 32, this internal-combustion engine improves it simultaneously.Specifically see Fig. 3 and Fig. 4, upper as can be seen from figure, it mainly comprises sky lower cover 1, empty upper cover 2, metal filtering core 3, sponge filter core 4, empty case member 5 and center tracheae 6, metal filtering core 3 and sponge filter core 4 are arranged in sky lower cover 1 by respective fitting seat, and empty upper cover 2 and empty lower cover 1 are docked and close up the closed cylindrical structure of formation one and be connected by bindiny mechanism's tight (clip 7).Be respectively equipped with a circular hole in the central position of empty upper cover upper end end face and sponge filter core and metal filtering core, center tracheae 6 to be extend in sky lower cover 1 by above-mentioned circular hole successively and is positioned at above the oil bath 8 bottom sky lower cover.Form oil bath for splendid attire machine oil bottom empty lower cover, be provided with the oiling scale 9 of a ring-type in bottom centre, in order to show that machine oil can not exceed the height of ring-type oiling scale.Scale 9 wall that refuels is provided with some through holes 10, and to make oiling scale internal-external machine oil phase lead to, object is oil bath center also organic oil when ensureing machine tip, is unlikely to all to flow to.
Before air enters oil bath, arrange one coarse filtration link to alleviate follow-up filtering burden, concrete structure is: on empty upper cover 1, be provided with an air inlet cylinder 11, and air inlet cylinder 11 is provided with some inlet holes 12.In air inlet cylinder 11, be provided with closing in conically shaped 13 upward, on the endless belt between conically shaped 13 and center tracheae 6, equal angles is provided with some coarse filtration blades 14, and all coarse filtration blades are obliquely installed formation helix structure in the same direction.Connected by annular connecting plate 15 between air inlet cylinder 11 and conically shaped 13, the inlet hole 12 on air inlet cylinder is positioned under annular connecting plate 15, and annular connecting plate 15 is provided with dust-discharging mouth 16.By empty case member 5 end face, air inlet cylinder 11 is pressed on sky upper cover 1 while empty case member 5 is connected with center tracheae 6.Add man-hour actual, air inlet cylinder 11, conically shaped 13 and annular connecting plate 15 adopt transparent plastic material one-body molded.
Described air inlet cylinder 11 lower end surface is provided with some profile of tooth breach, and this profile of tooth breach forms described inlet hole 12.Dust directly can skid off suction port along empty upper cover upper surface, is more conducive to the thorough discharge of dust like this.
Described empty upper cover 2 is provided with seal ring 17 with empty lower cover 1 closed position, produces leakage to avoid air in closed position.Sealing gasket 18 is provided with, to guarantee that air can all be filtered by sponge filter core between sponge filter core 4 and center tracheae 6.Seal ring and sealing gasket are rubber material and make.
As a kind of Placement, empty case member with concrete connection of center tracheae is: be diametrically provided with a horizontal stroke side 19 in center tracheae 6 upper-end surface, horizontal stroke side 19 is arranged the screw rod 20 that is positioned at central gas tubular axis line, empty case member 5 is enclosed within to lock on screw rod 20 and by nut 21 and is pressed on air inlet cylinder 11 by empty case member 5 end face.
After air of the present invention enters air inlet cylinder 11, helix structure due to coarse filtration blade 14 produces eddy current when making air enter conically shaped by coarse filtration blade, add the cone structure of conically shaped 13, thus generation centrifugal force makes the most of dust separation in air and air, dust because centrifugal force is thrown out of in the laying dust groove between air inlet cylinder and conically shaped, and is discharged from this air-strainer by the dust-discharging mouth 16 on annular connecting plate and the suction port 12 on air inlet cylinder.Air then back enters center tracheae 6 and enters oil bath 8 by residual part dust adsorption, again successively by the filtering dust that metal filtering core 3 and sponge filter core 4 will remain in air, thus the air of going out from flange 22 is made to be cleaner air after repeatedly processing.
The present invention improves piston ring simultaneously, see Fig. 5, piston ring disconnects and forms two-port, two-port is connected to form closed ring-type again, two-port has the protuberance 51 for mutually overlapping outstanding forward respectively, wherein a protuberance 51 is given prominence to place end interior walls be smooth, and another protuberance 51 is smoothly given prominence to along place end outer wall, and the thickness sum of two protuberances is the wall thickness of piston ring.Wherein a protuberance is formed with T font convex tendon on the face of another protuberance, the face that another protuberance is relative is formed with the T-slot 52 for holding T font convex tendon, the height of T font convex tendon is the degree of depth of T-slot 52, T font convex tendon is positioned at T-slot 52, wherein the overall size of T-slot 52 is greater than T font convex tendon, forms self-regulation expansion joint to make both.
Described T-slot 52 and the width of that section of piston ring axis being parallel are 1.5-2.0 times of the corresponding section width of T font convex tendon.The width being equivalent to expansion joint is 0.5-1 times of size of the outstanding corresponding section width of T font structure, can ensure that both have enough thermal distortion spaces after combining like this.
The degree of depth of described T-slot is the 1/3-2/3 of place end protuberance thickness.Such Thickness Design, both ensure that wall thickness, in turn ensure that join strength.
The material of described piston ring is Martensitic Stain Less Steel, and hardness HRC is 38-44, and Young's modulus is 18000-20000 ㎏/mm
2.The thermostability of piston ring, mechanical strength and wear resistance is further ensured by material.
The present invention adopts T font convex tendon to be positioned at T-slot design due to piston ring two ends lap position, and both form self-regulation expansion joint, even if therefore there is larger thermal distortion, this expansion joint also can be good at self adaption.If when thermal distortion is larger, two-port part overlaps, and part when overlapping, piston ring inside and outside wall all has overlapping the slot, but due to overlapping the slot less, so do not affect the function of piston ring.When overlapping completely, overlapping part smooth connection on piston ring inside and outside wall.Therefore this piston ring impact that thermal distortion can be avoided to bring from structural design, thus improve the functional reliability of internal-combustion engine.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (5)
1. internal-combustion engine, comprise fuel tank, air-strainer, silencing apparatus, valve mechanism cover, cylinder head, cylinder body, piston, piston ring, output shaft, operating grip support, start pulling plate assembly, body and suction tude, wherein air-strainer is connected with suction tude between fuel tank and silencing apparatus; It is characterized in that: described piston ring disconnects and forms two-port, two-port is connected to form closed ring-type again, two-port has the protuberance for mutually overlapping outstanding forward respectively, wherein a protuberance and place end interior walls be smooth are given prominence to, another protuberance is smoothly given prominence to along place end outer wall, and the thickness sum of two protuberances is the wall thickness of piston ring; Wherein a protuberance is formed with T font convex tendon on the face of another protuberance, the face that another protuberance is relative is formed with the T-slot for holding T font convex tendon, the height of T font convex tendon is the degree of depth of T-slot, T font convex tendon is positioned at T-slot, wherein the overall size of T-slot is greater than T font convex tendon, forms self-regulation expansion joint to make both;
Described air-strainer is oil bath air cleaner, it mainly comprises sky lower cover, empty upper cover, metal filtering core, sponge filter core, empty case member and center tracheae, metal filtering core and sponge filter core are arranged in sky lower cover by respective fitting seat, and empty upper cover docks with empty lower cover and closes up the closed cylindrical structure of formation one and by bindiny mechanism's stressed joint; Be respectively equipped with a circular hole in the central position of empty upper cover upper end end face and sponge filter core and metal filtering core, center tracheae to be extend in sky lower cover by above-mentioned circular hole successively and is positioned at above the oil bath bottom sky lower cover;
Sky covers and is provided with an air inlet cylinder, air inlet cylinder is provided with some inlet holes; In air inlet cylinder, be provided with closing in conically shaped upward, on the endless belt between conically shaped and center tracheae, equal angles is provided with some coarse filtration blades, and all coarse filtration blades are obliquely installed formation helix structure in the same direction; Connected by annular connecting plate between air inlet cylinder and conically shaped, the inlet hole on air inlet cylinder is positioned under annular connecting plate, and annular connecting plate is provided with dust-discharging mouth; By empty case member end face air inlet cylinder is pressed on sky while empty case member is connected with center tracheae and covers.
2. internal-combustion engine according to claim 1, is characterized in that: described air inlet cylinder lower end surface is provided with some profile of tooth breach, and this profile of tooth breach forms described inlet hole.
3. internal-combustion engine according to claim 1, is characterized in that: described empty upper cover and empty lower cover closed position are provided with seal ring; Between sponge filter core and center tracheae, be provided with sealing gasket, seal ring and sealing gasket are rubber material and make.
4. internal-combustion engine according to claim 1, it is characterized in that: the Placement of described empty case member and center tracheae is: be diametrically provided with a horizontal stroke side in tracheae upper-end surface, center, horizontal stroke side is arranged the screw rod that is positioned at central gas tubular axis line, empty case member to be enclosed within screw rod and to be pressed on air inlet cylinder by empty case member end face by nut check.
5. internal-combustion engine according to claim 1, is characterized in that: described output shaft and startup pulling plate assembly are arranged dorsad, and wherein output shaft is positioned at the dead ahead of diesel engine working state, starts the dead astern that pulling plate assembly is positioned at diesel engine working state; Cylinder head is positioned at front end above body, and fuel tank and silencing apparatus are positioned at both sides, rear end above body; Wherein fuel tank is positioned on the left of body, and silencing apparatus is positioned on the right side of body, and air-strainer is between fuel tank and silencing apparatus and be connected with suction tude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410679048.XA CN104564407A (en) | 2014-11-24 | 2014-11-24 | Internal combustion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410679048.XA CN104564407A (en) | 2014-11-24 | 2014-11-24 | Internal combustion machine |
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| CN104564407A true CN104564407A (en) | 2015-04-29 |
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| CN201410679048.XA Pending CN104564407A (en) | 2014-11-24 | 2014-11-24 | Internal combustion machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979909A (en) * | 2018-08-13 | 2018-12-11 | 刘万斌 | Multistage filtering Split type air filter |
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| NL7313023A (en) * | 1973-09-21 | 1975-03-25 | Philips Nv | Piston ring with overlapping ends - has one end engaging in other to limit radial expansion |
| KR20080006984A (en) * | 2006-07-14 | 2008-01-17 | 현대자동차주식회사 | Piston ring of engine |
| CN101560916A (en) * | 2009-05-12 | 2009-10-21 | 无锡华源凯马发动机有限公司 | Vertical output single cylinder diesel engine |
| CN201620940U (en) * | 2010-01-28 | 2010-11-03 | 无锡开普动力有限公司 | Engine structure with muffler shield |
| CN201635816U (en) * | 2010-02-26 | 2010-11-17 | 富士重工业株式会社 | General-purpose engine |
| CN202690271U (en) * | 2012-08-21 | 2013-01-23 | 陈恳 | Oil bath type air filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108979909A (en) * | 2018-08-13 | 2018-12-11 | 刘万斌 | Multistage filtering Split type air filter |
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Application publication date: 20150429 |