CN106499490B - The muffler of general purpose engine - Google Patents
The muffler of general purpose engine Download PDFInfo
- Publication number
- CN106499490B CN106499490B CN201610705372.3A CN201610705372A CN106499490B CN 106499490 B CN106499490 B CN 106499490B CN 201610705372 A CN201610705372 A CN 201610705372A CN 106499490 B CN106499490 B CN 106499490B
- Authority
- CN
- China
- Prior art keywords
- muffler
- access cover
- conducting element
- discharge
- mask
- 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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Classifications
-
- 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
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
In the muffler body (32) of the muffler (20) of general purpose engine (E), it is protrusively provided the discharge mask (54) of covering outlet (50).The access cover (60) of the outlet end (54a) of covering discharge mask (54) is protrusively provided from outlet end (54a) to discharge direction.The conducting element (69) for changing the direction of exhaust gas (G) is installed on the downstream (60d) of access cover (60).The suction inlet (64) for sucking outside air is formed between discharge mask (54) and the upstream end thereof (60c) of access cover (60).(69 are supported in access cover (60) to conducting element in a manner of detachable and rotate freely.
Description
Technical field
The present invention relates to driving source as small-scale workshops machine as such as grass trimmer come using general purpose engine
Muffler.
Background technique
As the muffler of general purpose engine, propose various constructions (for example, Japanese Patent Publication 01-179117, Japan
Clear No. 56-049221 is opened in fact).In the muffler for the general purpose engine that Japanese Patent Publication 01-179117, in the noise reduction of resin
Device cover is equipped with the conducting element of exhaust in a rotatable manner, can be by the releasing side of exhaust gas by rotating the conducting element
To being changed to desired direction.In addition, in the muffler of Japanese Unexamined Patent Publication 56-049221 general purpose engine, certainly with rotation
Mode such as is provided with curved tail pipe and covers the tail pipe cover of the tail pipe, changes exhaust gas by managing these and cover rotating
Release direction.Moreover, tail pipe cover covers the periphery of tail pipe via insulated space, therefore, by due to effect is inhaled in spray described in
The outside air of insulated space sucking, additionally it is possible to reduce delivery temperature.
However, conducting element is installed in the muffler cover of resin in Japanese Patent Publication 01-179117 muffler,
Therefore, if conducting element is heated due to exhaust, resin is possible to melt.In addition, Japanese Unexamined Patent Publication 56-049221 disappears
In sound device, need to shape the tail pipe and tail pipe cover of curved shape, therefore manufacture difficulty, cost is also got higher.In addition, in order to change
The release direction of exhaust gas and rotate tail pipe and tail pipe cover, therefore construction also becomes complicated.
Summary of the invention
The object of the present invention is to provide a kind of mufflers of general purpose engine, can be inhaled with simply constructing by spray
Effect makes exhaust deflect direction to reduce delivery temperature, and by conducting element.
To achieve the goals above, the muffler of general purpose engine of the invention has: discharge mask, in muffler body
It is protrusively provided, covers outlet；Access cover, cover it is described discharge mask at least outlet end, from the outlet end to
Discharge direction is prominent；And conducting element, it is installed on the downstream of the access cover, changes the direction of exhaust；In the outlet
The suction inlet for sucking outside air is formed between cover and the upstream end thereof of the access cover, the conducting element is to load and unload certainly
And the mode that rotates freely be supported in as described in access cover.
According to this constitution, discharge mask outlet end be provided with access cover, change the conducting element of the direction of exhaust with
Mode that is detachable and rotating freely is supported in the access cover.As a result, only by rotating conducting element, it will be able to change exhaust
Discharge direction.In addition, being formed with the sucking for sucking outside air between discharge mask and the upstream end thereof of access cover
Mouthful, therefore, by can reduce delivery temperature using the air inhaling effect and sucking from the suction inlet is sprayed.Like this, by setting
Access cover is set, effect can be inhaled simply to construct to reduce delivery temperature by spray, and adjust exhaust by conducting element
Discharge direction.
In the present invention preferably, access cover described in the access cover cuts from cylinder and is formed.According to this constitution, can
Access cover is constituted with simple construction.
In the case where access cover is cut from cylinder to be formed, preferably, in the access cover and the conducting element
A side be formed with circumferential slot, threaded hole is formed in another party, by the way that threaded body is inserted the threaded hole and the week
To slot, the conducting element is installed in the access cover in a manner of it can be relatively rotated along the circumferential slot.According to
This composition can be constituted the rotating mechanism of conducting element with simple construction.
In the present invention preferably, the outlet is provide with the outside with cylinder opposite side for being placed in the muffler body
Face.According to this composition, it is suppressed that the high temperature of cylinder because of caused by the radiant heat of the high-temperature portion from exhaust cover.The situation
Under, if being arranged to cover the substantially whole of discharge mask with access cover, it is able to suppress because of the high-temperature portion from discharge mask
Radiant heat and cause cover muffler shield high temperature.
In the case where outlet is provide with and is placed in the lateral surface with cylinder opposite side, preferably, the discharge mask will be arranged
Gas is discharged forwards, and the access cover is welded in the side wall and antetheca of the muffler body.According to this constitution, access cover quilt
It is firmly engaged at muffler body.Moreover it is preferred that the discharge mask is integrally formed at the noise reduction and cutting
The side wall of device main body.According to this constitution, being able to easily form discharge mask.
In the present invention preferably, it is also equipped with arc arrester, which is installed on institute by loading and unloading freely
Muffler body is stated, the outlet is covered.According to this constitution, arc arrester is installed on muffler body, therefore spark is put out
Go out device installation be easy.
Any combination that at least two disclosed in claim and/or specification and/or attached drawing is constituted is also contained in this hair
In bright.In particular, 2 or more any combination of each claim is also included in the present invention.
Detailed description of the invention
Illustrate preferred embodiment below by referring to accompanying drawing, better understood when the present invention.But embodiment party
Formula and attached drawing are used only for illustrating and illustrate, should not be used to construe the scope of the present invention.The scope of the present invention is by claim
It determines.In the accompanying drawings, the same part number in multiple attached drawings indicates same or considerable part.
Fig. 1 is the grass trimmer for indicating the general purpose engine equipped with the muffler for having first embodiment of the invention
Perspective view.
Fig. 2 is the front cross-sectional view for indicating the general purpose engine.
Fig. 3 is the main view for indicating the muffler.
Fig. 4 is the side view for indicating the muffler.
Fig. 5 is the top view for indicating the muffler.
Fig. 6 is the sectional view along the line VI -- VI of Fig. 4.
Fig. 7 is the top view of the access cover of the muffler.
Fig. 8 is the side view for indicating the conducting element of the muffler.
Fig. 9 is the bottom view for indicating the conducting element.
(A) of Figure 10~(C) is the top view for indicating the rotating mechanism of the conducting element.
The explanation of appended drawing reference
10a cylinder；20 mufflers；32 muffler bodies；The side wall of 36a muffler body；Before 36b muffler body
Wall；50 outlets；54 discharge masks；The outlet end of 54a discharge mask；56 arc arresters；60 access covers；60c access cover
Upstream end thereof；The downstream of 60d access cover；62 threaded holes；64 suction inlets；69 conducting elements；75 circumferential slots；80 threaded bodies；E is logical
Use engine
Specific embodiment
Hereinafter, referring to attached drawing, the preferred embodiment of the present invention will be described.
Fig. 1 shows the general purpose engine E equipped with the muffler for having an embodiment of the invention, as portable
A kind of grass trimmer 1 of formula working rig.Grass trimmer 1, which is for example equipped in the base end part of elongated supervisor 2 made of aluminum alloy, to be started
Machine E is equipped with the rotary cutting knife 3 as power tool in front end.In the inside of supervisor 2, insert has the drive shaft of iron series
(not shown), the base end part of drive shaft are linked to engine E, and front end is linked to rotary cutting knife 3.On supervisor 2, starting
Position is equipped with the handle 7 of the band 4 for being suspended on shoulder and U-shaped near machine E.Band 4 is suspended on shoulder to keep by operator
Grass trimmer 1, the handle 8 that hold the both ends of handle 7 carries out operation, as a result, with the cutter 3 driven by engine E by weeds etc.
It cuts off.The revolving speed of cutter 3 is adjusted by the operation of the throttling rod 9 of the near one end setting in handle.
Fig. 2 is the part section main view of the engine E from 2 sides of supervisor.Engine E is 2 Stroke Engines, is had
The cylinder block 10 being integrally formed by cylinder 10a and cylinder head 10b, the cylinder block 10 are linked to crank box 11 and are formed and mobilize owner
Body EB.Spark plug 20 is installed to cylinder head 10b and being screwed into and is formed by threaded hole (not shown).In the air-breathing of cylinder 10a
Port 12, is linked with gasifier 14 via heat-insulated insulator 13, is linked with air cleaning in the upstream side of the gasifier 14
Device 17.Muffler 20 is connected in the exhaust port 18 of cylinder 10a.Fuel tank 24 is installed in the lower part of crank box 11.
Piston 15 is sliding freely accommodated in the cylinder barrel of the cylinder 10a of cylinder block 10.Piston 15 and it is supported in crank
The crank axle 21 of case 11 links.In the one end (front end) of the crank axle 21, via centrifugal clutch 23 shown in FIG. 1, even
It is knotted the drive shaft of grass trimmer 1.
As shown in Fig. 2, spark plug 20, cylinder block 10 and muffler 20 are covered by the shield 30 of resin.Shield 30 is
What main cover portion 30a and pair cover portion 30b was integrally formed, crank box 11 is fixed on by bolt (not shown).Cylinder block 10 is by main cover portion
30a covering, and muffler 20 is covered by secondary cover portion 30b.
On the other hand, the filter house of gasifier 14 and air purifier 17 is by the air purifier lid 28 seperated with shield 30
Covering.In addition, in the embodiment, main cover portion 30a and secondary cover portion 30b are integrally provided in shield 30, but be also possible to by
Shield is formed as just corresponding to the shape of main cover portion 30a and the muffler cover being provided separately with the shield being attached to shield
Construction.
Fig. 3 is the main view of muffler 20, and Fig. 4 is from the side view of the left side of Fig. 1 viewing muffler 20, and Fig. 5 is noise reduction
The top view of device 20, Fig. 6 are the sectional views along the line VI -- VI of Fig. 4.In addition, for ease of description, being omitted in Fig. 3,5,6
Aftermentioned conducting element.Muffler 20 is the box-shaped of the substantially steel of cube, as shown in figure 3, inside have be provided with it is swollen
The muffler body 32 of swollen room 31.Muffler body 32 has the inside half shell 34 and cylinder 10 of 10 side of cylinder (inside)
Opposite side (outside) outside half shell 36, by by this 2 half shell 34,36 in conjunction with and constitute the muffler body 32.
As shown in figure 4, the up and down direction middle part of half shell 36 on the outside, be formed with side by side along front-rear direction towards
2 the first mounting holes 38 of left and right directions.As shown in figure 5, in inside half shell 34 and the first mounting hole 38,38 corresponding positions
It sets, is formed with the second mounting hole 40,40.First and second mounting hole 38,40 is connected to via cylindrical tube 42 shown in fig. 6.
In first and second mounting hole 38,40, from the outside of muffler body 32, insert has 2 bolts 35, by by the bolt 35
It is screwed into threaded hole 29 set by cylinder 10, muffler body 32 is supported on cylinder 10.
The medial surface on the top of inside half shell 34 shown in Fig. 3 is formed with the stream being connected to exhaust port 18 (Fig. 2)
Entrance 45.On the other hand, the lateral surface on the top of half shell 36 on the outside, is formed with and the external outlet 50 being connected to.
The inside of muffler body 32 shown in fig. 6 is divided into first expanding chamber 46 and the downside of upside by demarcation plate 44
Second expanding chamber 48.First expanding chamber 46 capacity compared with the second expanding chamber 48 is bigger.Multiple companies are formed on demarcation plate 44
Through-hole 44a is connected to the first expanding chamber 46 with the second expanding chamber 48 via intercommunicating pore 44a.
In the inside of muffler body 32, it is formed with the exhaust passageway 49 for being connected to the second expanding chamber 48 with outlet 50.
Exhaust passageway 49 be the access being made of plate is formed component 52 by weld be fixed on outside half shell 36 inner face and
It is formed.
After the exhaust gas G for flowing into the inside of muffler body 32 from inflow entrance 45 expands in the first expanding chamber 46, pass through
Intercommunicating pore 44a and enter the second expanding chamber 48.Exhaust gas G is after the expansion of the second expanding chamber 48, by exhaust passageway 49 to discharge
50 outside discharge of mouth.
The lateral surface on the top of half shell 36 on the outside is provided with the discharge mask 54 of covering outlet 50.That is,
Discharge mask 54 is set to the lateral surface with 10 opposite side of cylinder of muffler body 32.Mask 54 is discharged from muffler body 32
It is arranged with protruding outward.In detail, discharge mask 54 pass through will constitute on the outside of half shell 36 lateral surface side wall 36a to
Outside cut forming and be integrally formed in muffler body 32.As shown in figure 5, discharge mask 54 by exhaust gas G forwards
Discharge.
The outlet 50 of half shell 36 on the outside is provided with the arc arrester for inhibiting that spark is discharged from muffler 20
(spark arrester)56.Arc arrester 56 is for example made of metal mesh.Arc arrester 56 is to cover outlet 50
Mode configures, in the present embodiment, before the outlet 50 to outside half shell 36 of the lateral surface of outside half shell 36
And it configures.Arc arrester 56 is installed on muffler body 32 by threaded body 58 by loading and unloading freely.But it is also possible to
It is not provided with arc arrester 56.
Covering discharge mask 54 outlet end 54a access cover 60 with from outlet end 54a to discharge direction (in this reality
Apply in mode as front) mode outstanding is arranged.As shown in fig. 7, access cover 60 is by a part of CT of the cylindrical tube RP of steel
It cuts and constitutes.In detail, front is slightly closer to from the rear end in the axial direction of cylindrical tube RP to than front-rear direction middle part
Part and from the central part radially of cylindrical tube RP to the part of inside (cylinder side) be removed.As a result, in access cover 60
Form the first notch 60a towards inside (cylinder side) and the second notch 60b towards rear.
That is, access cover 60 has the semicircle canister portion 66 for being formed with the first notch 60a and is formed with the second notch
The cylindrical portion 68 of portion 60b.In the cylindrical portion 68 of access cover 60, it is formed through the threaded hole 62 towards up and down direction.
As shown in figure 5, side wall 36a and antetheca 36b that access cover 60 is formed in muffler body 32 by welding WL.In detail
It carefully says, the first notch 60a of access cover 60 and the side wall 36a of outside half shell 36 are soldered, and the second of access cover 60 cuts
Oral area 60b and the antetheca 36b of outside half shell 36 are soldered.In this way, arc arrester 56 is discharged mask 54 and access cover 60
It is covered from outside.
The suction inlet for sucking outside air is formed between discharge mask 54 and the upstream end thereof 60c of access cover 60
64.In detail, between suction inlet 64 is formed between the upstream end thereof 60c of access cover 60 and the outer peripheral surface of discharge mask 54
Gap.In addition, as shown in figure 3, being formed between the inner peripheral surface of the semicircle canister portion 66 of access cover 60 and the outer peripheral surface of discharge mask 54
There is the insulated space 65 of semicircular.Insulated space 65 is connected in rear end with suction inlet 64 (Fig. 5), in front end and cylindrical portion 68
Portion's connection.
The downstream 60d of access cover 60 described in Fig. 4 is equipped with the conducting element 69 for changing the direction of exhaust gas G.It leads
Stream part 69 is embedded in the inner peripheral surface of the cylindrical portion 68 of access cover 60, by aftermentioned rotating mechanism 70, around the axis of cylindrical portion 68
Heart C1, around the mode of the axis rotation of the downstream 60d of access cover 60 freely detachably it is supported in access cover 60.
Fig. 8 is the side view of conducting element 69, and Fig. 9 is the bottom view of conducting element 69.As shown in figure 8, conducting element 69 by pair
Sheet metal carries out Bending Processing and constitutes, and has the deflection direction portion 74 of substantially cylindric mounting portion 72 and half-circle-arc shape.Partially
The axle center C2 for turning direction portion 74 obliquely extends towards front (discharge direction) to radially inner side (lower section of Fig. 4).
In the mounting portion 72 of conducting element 69, it is formed through circumferential slot 75 circumferentially.In the present embodiment, all
About 180 ° of formation are bridgeed across in the circumferential to slot 75, form the week of the circumferential range of circumferential slot 75 and the semi arch in deflection direction portion 74
It is almost consistent to range.
As shown in figure 9, the mounting portion 72 of conducting element 69 is not complete cylinder.That is, mounting portion 72 is by by plate
Material Bending Processing is constituted at cylindrical shape, and two circumferential ora terminalis 76,76 are opposed across gap 78.
As shown in figure 4, the mounting portion 72 of conducting element 69 is embedded in the inner peripheral surface of the cylindrical portion 68 of access cover 60.Mounting portion 72
It is formed with gap 78 (Fig. 9) in circumferential a part, there is elasticity in the circumferential, therefore, be not only able to conducting element easily
69 are installed to access cover 60, and can be stably supported on access cover 60.
In turn, in axial direction (front-rear direction) position one of the circumferential slot 75 for making conducting element 69 and the threaded hole 62 of access cover 60
In the state of cause, threaded body 80 is screwed togather to from top and run through threaded hole 62, is inserted in circumferential slot 75.Pass through above such structure
At conducting element 69 is can be installed on access cover 60 in a manner of circumferentially slot 75 relatively rotates.That is, passing through threaded hole
62, threaded body 80 and circumferential slot 75 constitute the rotating mechanism 70 of the conducting element 69.
Using Figure 10, the movement of the rotating mechanism 70 of conducting element 69 is illustrated.Figure 10 is rotating machine viewed from above
The top view of structure 70, (A) show the state for making exhaust gas G towards outside (opposite side of cylinder), and (C), which is shown, makes exhaust gas G court
The state of (cylinder side) inwardly, (B) show the intermediate state of the two.(B) it in, is released via access cover 60 towards front
Exhaust gas G deflects downwards direction by the deflection direction portion 74 of conducting element 69 (referring to Fig. 4).
In the case where wanting makes exhaust gas G deflect direction outward, threaded body 80 is loosened, makes conducting element 69 from (B) to D1
Direction rotation.Circumferentially slot 75 rotates conducting element 69 as a result, becomes the state outwardly of (A).(A) in, via access cover
60 deflect direction by the deflection direction portion 74 of conducting element 69 towards the exhaust gas G that front releases outward.
In the case where wanting makes exhaust gas G deflect direction inwardly, threaded body 80 is loosened, makes conducting element 69 from (B) to D2
Direction rotation.Circumferentially slot 75 rotates conducting element 69 as a result, becomes the state inwardly of (C).(C) in, via access cover
60 deflect direction by the deflection direction portion 74 of conducting element 69 towards the exhaust gas G that front releases inwardly.
According to the present embodiment, threaded body 80 is only loosened in this way and rotates conducting element 69, it will be able to change exhaust gas G's
Discharge direction.Thereby, it is possible to prevent body and clothes of the exhaust gas G of high temperature towards operating personnel.Also, only in conducting element 69
It forms circumferential slot 75, threaded hole 62 is set in access cover 60, therefore the composition of rotating mechanism 70 is also simple.
In addition, being formed between discharge mask 54 and the upstream end thereof 60c of access cover 60 shown in Fig. 4 outer for sucking
The suction inlet 64 of portion's air.Therefore, it if exhaust gas G is discharged, is sprayed by it and inhales effect, insulated space 65 becomes negative pressure, from suction
Entrance 64 sucks outside air AR, and delivery temperature reduces.Like this, by the way that access cover 60 is arranged, can be led to simply constructing
It crosses spray and inhales effect to reduce delivery temperature, and adjust the discharge direction of exhaust gas G by conducting element 69.
The cylinder RP shown in Fig. 7 of access cover 60 cuts and formed, and therefore, can be constituted access with simple construction
Cover 60.In addition, discharge mask 54 shown in Fig. 3 is set to the lateral surface with 10 opposite side of cylinder of muffler body 32, so
Inhibit the high temperature of cylinder 10 caused by the radiant heat because of the high-temperature portion from exhaust cover 54.
As shown in figure 5, exhaust gas G is discharged discharge mask 54 forwards, access cover 60 is engaged in noise reduction by welding WL
The side wall 36a and antetheca 36b of device main body 32.Access cover 60 is linked to muffler body 32 securely as a result,.In addition, such as Fig. 6
Shown, discharge mask 54 is integrally formed at the side wall 36a of muffler body 32 and cutting.Therefore, outlet easy to form
Cover 54.
The arc arrester 56 of covering outlet 50 is installed on by loading and unloading freely by threaded body 58 shown in fig. 5
Muffler body 32, therefore the installation of arc arrester 56 is easy.
As shown in the double dot dash line 60A of Fig. 4 and 5, the substantially entirety for being also possible to be discharged mask 54 is covered by access cover 60
Lid.Thereby, it is possible to inhibit to cause because of the radiant heat of the high-temperature portion from discharge mask 54 the secondary cover portion of the shield 30 of resin
30b high temperature.
The present invention is not limited to above embodiments, can carry out without departing from the scope of spirit of the present invention various
Additional, change is deleted.For example, in the above-described embodiment, circumferential slot 75 is formed in conducting element 69, in the formation of access cover 60
Threaded hole 62, but be also possible to form circumferential slot 75 in access cover 60, threaded hole 62 is formed in conducting element 69.Above-mentioned implementation
In mode, discharge mask 54 is integrally formed at muffler body and cutting, but the construction that mask is discharged is without being limited thereto, example
Such as it is also possible to seperated pipe component being installed on muffler body by welding.
In above embodiment, access cover 60 only covers the outlet end 54a of discharge mask 54, as long as but access cover 60
At least outlet end 54a of covering discharge mask 54, can also cover the entirety of discharge mask 54.In addition, engine E can
To be 4 Stroke Engines, and it is seperated for being also possible to cylinder with cylinder head.In addition, muffler of the invention can also be applied
The engine of working rig other than the grass trimmers such as generator, pump, air blower, lawn mower.Therefore, such situation is also wrapped
Containing within the scope of the invention.
Claims (7)
1. a kind of muffler of general purpose engine, has:
Mask is discharged, is protrusively provided in muffler body, covers outlet；
Access cover covers at least outlet end of the discharge mask, prominent from the outlet end to discharge direction；And
Conducting element is installed on the downstream of the access cover, changes the direction of exhaust；
The suction inlet for sucking outside air is formed between the discharge mask and the upstream end thereof of the access cover,
The conducting element is supported in the access cover in a manner of detachable and rotate freely,
The access cover is to cut and formed from cylinder.
2. such as the muffler that claim 1 is recorded,
A side in the access cover and the conducting element is formed with circumferential slot, is formed with threaded hole in another party,
By the way that threaded body is inserted the threaded hole and the circumferential slot, the conducting element with can along the circumferential slot into
The mode that row relatively rotates is installed in the access cover.
3. such as the muffler that claims 1 or 2 is recorded,
The outlet is provide with the lateral surface with cylinder opposite side for being placed in the muffler body.
4. such as the muffler that claim 3 is recorded,
The access cover covers the substantially whole of the discharge mask.
5. such as the muffler that claim 3 is recorded,
Exhaust is discharged the discharge mask forwards,
The access cover is welded in the side wall and antetheca of the muffler body.
6. such as the muffler that claim 3 is recorded,
The discharge mask is integrally formed in the side wall of the muffler body and cutting.
7. such as the muffler that claims 1 or 2 is recorded,
It is also equipped with arc arrester, which is installed on the muffler body by loading and unloading freely, covers institute
State outlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-175517 | 2015-09-07 | ||
| JP2015175517A JP6498086B2 (en) | 2015-09-07 | 2015-09-07 | General-purpose engine muffler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106499490A CN106499490A (en) | 2017-03-15 |
| CN106499490B true CN106499490B (en) | 2019-05-07 |
Family
ID=58291260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610705372.3A Expired - Fee Related CN106499490B (en) | 2015-09-07 | 2016-08-23 | The muffler of general purpose engine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6498086B2 (en) |
| CN (1) | CN106499490B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6767711B2 (en) * | 2017-06-09 | 2020-10-14 | Smc株式会社 | Silencer and ejector using silencer |
| CN110805484B (en) | 2018-03-30 | 2022-02-08 | 本田技研工业株式会社 | Universal engine |
| PE20210609A1 (en) | 2018-03-30 | 2021-03-23 | Honda Motor Co Ltd | GENERAL USE ENGINE |
| ES2918148T3 (en) | 2018-03-30 | 2022-07-14 | Honda Motor Co Ltd | general purpose engine |
| WO2020044498A1 (en) | 2018-08-30 | 2020-03-05 | 本田技研工業株式会社 | General-purpose engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4142607A (en) * | 1976-09-25 | 1979-03-06 | Firma Andreas Stihl | Silencer, especially for portable motor chain saws |
| CN101473114A (en) * | 2006-06-21 | 2009-07-01 | 富世华智诺株式会社 | Muffler |
| CN202348400U (en) * | 2011-11-24 | 2012-07-25 | 常州东仕豪机械制造有限公司 | Simple silencer |
| CN104153863A (en) * | 2014-06-24 | 2014-11-19 | 浙江亚特电器有限公司 | Catalytic agent silencer capable of lowering exhaust temperature |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5650112Y2 (en) * | 1976-07-16 | 1981-11-24 | ||
| JPS6113688Y2 (en) * | 1980-09-29 | 1986-04-28 | ||
| JPH0544511Y2 (en) * | 1988-06-09 | 1993-11-11 | ||
| JPH07663Y2 (en) * | 1989-04-12 | 1995-01-11 | 富士ロビン株式会社 | Exhaust elbow mounting structure for backpack mowers |
| US7156202B2 (en) * | 2004-04-05 | 2007-01-02 | Mtd Products Inc | Method and apparatus for venting exhaust gas from an engine |
-
2015
- 2015-09-07 JP JP2015175517A patent/JP6498086B2/en active Active
-
2016
- 2016-08-23 CN CN201610705372.3A patent/CN106499490B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4142607A (en) * | 1976-09-25 | 1979-03-06 | Firma Andreas Stihl | Silencer, especially for portable motor chain saws |
| CN101473114A (en) * | 2006-06-21 | 2009-07-01 | 富世华智诺株式会社 | Muffler |
| CN202348400U (en) * | 2011-11-24 | 2012-07-25 | 常州东仕豪机械制造有限公司 | Simple silencer |
| CN104153863A (en) * | 2014-06-24 | 2014-11-19 | 浙江亚特电器有限公司 | Catalytic agent silencer capable of lowering exhaust temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106499490A (en) | 2017-03-15 |
| JP2017053233A (en) | 2017-03-16 |
| JP6498086B2 (en) | 2019-04-10 |
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