CN1077203C - Structure of installation parts for shock proof unit of protective hood - Google Patents

Structure of installation parts for shock proof unit of protective hood Download PDF

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Publication number
CN1077203C
CN1077203C CN96102559A CN96102559A CN1077203C CN 1077203 C CN1077203 C CN 1077203C CN 96102559 A CN96102559 A CN 96102559A CN 96102559 A CN96102559 A CN 96102559A CN 1077203 C CN1077203 C CN 1077203C
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CN
China
Prior art keywords
shock
guard shield
resistant member
protruding part
hole
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
Application number
CN96102559A
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Chinese (zh)
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CN1139733A (en
Inventor
塙薰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of CN1139733A publication Critical patent/CN1139733A/en
Application granted granted Critical
Publication of CN1077203C publication Critical patent/CN1077203C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00Component parts, details or accessories, not otherwise provided for
    • F02B77/11Thermal or acoustic insulation
    • F02B77/13Acoustic insulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/02Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

To mount a vibration isolating member easily at low costs, mounting holes 20 are formed through a platelike vibration isolating member 10, and projections 17 integrally projecting from a shroud 9 are forced into the mounting holes 20, thereby temporarily mounting the vibration isolating member 10 on the shroud 9. In this condition, the shroud 9 is mounted to the cylinder head 8, thereby holding the vibration isolating member 10 between the inner surface of the shroud 9 and fins 22 of the cylinder head 8. Many similar vibration isolating members 10 can be continuously formed by punching a belt-shaped stock.

Description

The structure that is used for the mounting portion of the shock-resistant member on the guard shield
The present invention relates to a kind of for the required structure of shock-resistant member is installed on the guard shield on the blower cooled engine that is arranged on 2 wheeled motorcycles.
In fact open the forced air cold engine that clear 59-139514 has introduced 2 wheeled motorcycles that are provided with guard shield, and the structure of seizing shock-resistant member between the inner face of the radiating fin of cylinder head and guard shield on both sides by the arms has been described.
Different therewith, on shock-resistant member, establish projection, and this projection is pressed into the hole that is meshed with this projection that is positioned on the guard shield, in view of the above shock-resistant member is installed on the guard shield, this method also is widely known by the people.
, for the method for in above-mentioned communique, introducing of seizing shock-resistant member on both sides by the arms,, shock-resistant member takes the time very much sometimes for being seized on both sides by the arms in correct position.In addition, as the method that on shock-resistant member, forms protruding part, must allow shock-resistant member and protruding part rely on metal mold to be made of one, thereby cause cost to rise, and, when mounted, take the time very much sometimes because protruding part is an elastomer.
In order to address the above problem, the mounting construction of the shock-resistant member of guard shield of the present invention is made, and is suitable for being provided with at least the guard shield that surrounds cylinder head, seizes the blower cooled engine of the shock-resistant member of being made by elastomer between this guard shield and cylinder head on both sides by the arms.This mounting construction is characterised in that: be provided with the protruding part that is used to mesh at its inner side surface that expands cover, and this protruding part is pressed in the installation usefulness hole that is pre-formed on shock-resistant member, in view of the above shock-resistant member is installed on the guard shield.
Engagement on the guard shield is pressed into the installation that is pre-formed on shock-resistant member with protruding part uses in the hole, just shock-resistant member can be installed on the guard shield.At this moment, engagement becomes one, has reasonable rigidity with protruding part with guard shield, and be formed on the elastomeric shock-resistant member with hole owing to install, be pressed into installation with in the hole, can carry out installation exercise rapidly simply so will mesh easily with protruding part.In addition, shockproof member temporarily can be installed on the guard shield, therefore, shock-resistant member can be installed on correct position.
And, because of the installation on shock-resistant member becomes the opening shape with hole, so, shock-resistant member can be made planar, append to install at the same time or in back one operation and use hole, also can not need as high price forming die existing, that comprise the shaped portion that is used to form protruding part.
The simple declaration of accompanying drawing
Fig. 1 is the expansion sectional view of expression embodiment's major component.
Fig. 2 is the section plan of expression embodiment's swing type power unit.
Fig. 3 is the planimetric map of expression shock-resistant member.
Fig. 4 is the planimetric map of expression guard shield.
Embodiment
Embodiment of accompanying drawings.Fig. 2 is the section plan of the swing type power unit of motor scooter.This swing type power unit has: two stroke engine 1; The V-type conveyor type speed changer 4 that cross crank box 2, is connected with an end of crankshaft 3; Be located at the forced air cooling fan 5 of the other end of crankshaft 3.
Forced air cooling fan 5 is surrounded by band vent lid 6, and the cylinder 7 of two stroke engine 1 and cylinder head 8 are surrounded by guard shield 9.Inner side surface at guard shield 9 is equipped with shock-resistant member 10.
Band vent lid 6 links to each other with guard shield 9, the atmosphere that imports from the vent of band vent lid 6 is by the figure shown in the arrow, by forced air cooling fan 5, be sent to the cylinder 7 of band vent lid 6 and guard shield 9 inboards and cylinder head 8 around, produce forced air cooling thus.
Fig. 1 is the expansion schematic representation of peripheral part of cylinder head 8, and the section of guard shield 9 is 1 one 1 a tangent plane along Fig. 4.Fig. 3 is the planimetric map of shock-resistant member 10, and Fig. 4 is the planimetric map of guard shield 9.
As Fig. 1 and shown in Figure 4, be provided with at the top of guard shield 9 and be used for spark plug that spark plug 11 is passed with hole 12, also be provided with a plurality of bolts on the convex portion 13 that is used for guard shield 9 is installed on cylinder 7 on the guard shield 9 with holes 15 in addition, caulking gum 16 is installed on the bolt 14 in advance, therefore, caulking gum 16 is installed in bolt with on the hole 15.
In addition, around spark plug usefulness hole 12, be the inboard (cylinder head 8 directions) that makes the delivery direction of bolt 14 break-through, be provided with a plurality of (present embodiment is 4) engagement protruding part 17.Guard shield 9 is by suitable synthetic resin cast molding.
As Fig. 1 and shown in Figure 3, shock-resistant member 10 for make by suitable elastic material such as rubber, its size be can coating gas cylinder cap 8 the top, and be flat object, have on it and the corresponding spark plug of guard shield hole 18, bolt hole 19 and installation hole 20.Part shown in the symbol 21 is for being used to allow the breach of bolt break-through.
Each installs with the diameter of hole 20 all little with the diameter of protruding part 17 than engagement, to mesh with protruding part 17 and be pressed into installation with in the hole 20, rely on the resiliently deformable of shock-resistant member 10, the aperture of installing with hole 20 enlarges, simultaneously, the contractile force that relies on the elasticity involution to produce makes engagement can not break away from protruding part 17, thereby shock-resistant member 10 can be temporarily fixed on the inner side surface of guard shield 9.
And, when guard shield 9 is installed on two stroke engine 1 around the time, the shock-resistant member 10 that is temporarily fixed on the inner side surface of guard shield 9 is seized on both sides by the arms between radiating fin 22 and guard shield 9 by a plurality of radiating fin 22.A plurality of radiating fin 22 concurrently, outstanding by cylinder head 8 to guard shield 9 directions.
The following describes the effect of present embodiment.At first shock-resistant member 10 is affixed on the inner side surface of loose guard shield 9, will meshes again with protruding part 17 and be pressed into installation with in the hole 20, so shock-resistant member 10 is temporarily fixed along the inner side surface of guard shield 9 agley.
At this moment, engagement relatively has certain rigid with protruding part 17, and on the other hand, shock-resistant member 10 is elastomers, therefore, engagement easily can be pressed into protruding part 17 and install with in the hole 20.Therefore, compare, be very easy to when being pressed into the existing protruding part of protruding part being made an elastomeric part.
After this, with guard shield 9 be placed on cylinder 7 and cylinder head 8 around, then the inner side surface of shock-resistant member 10 contacts with the upper part of the radiating fin 22 of cylinder head 8, therefore, as use bolt 14 that guard shield 9 is fixed on the cylinder head 8, then shock-resistant member 10 is seized on both sides by the arms between guard shield 9 and radiating fin 22.
For this installation exercise, because shock-resistant member 10 can temporarily be fixed on the guard shield 9 in advance, have good installation, and can correctly locate, therefore, operability is fine.And, install guard shield 9 after, rely on engagement with the engagement of protruding part 17 and the effect of seizing on both sides by the arms of guard shield 9 and spark-plug hole 12, can not produce dislocation, and be fixed.
In addition,, therefore, only adopt the mode of punching can on sheet stock material, produce spark-plug hole 18, bolt hole 19 simultaneously continuously, install, can improve manufacturing efficient with hole 20 and notch part 21 because shock-resistant member 10 is a planar.
Therefore, do not need to existing method like that, adopt special shaping die that protruding part and shock-resistant member are made of one, realize a large amount of productions easily, and can reduce cost.Again, installation also can be processed after punching with hole 20 grades.
In addition, install with hole 20 owing on shock-resistant member 10, be provided with, thereby engagement only be set on guard shield 9 get final product with protruding part 17, can reduce the number of the opening portion on the guard shield 9 thus, can be effectively with force tempering air importing cylinder 7 and cylinder head 8 around.
Because being provided with engagement at the inner side surface of guard shield is provided with protruding part, on shock-resistant member and is used for installation hole that this engagement is pressed into protruding part, therefore, when being installed on shock-resistant member on the guard shield, because engagement is an one with protruding part and guard shield, reasonable rigidity is arranged, and install with hole and be arranged on the shock-resistant member that elastic material makes, therefore, to mesh easily to be pressed into and install, can simply promptly finish the operation that shock-resistant member is installed on guard shield with in the hole and form engagement with protruding part.In addition, because shock-resistant member temporarily can be fixed in guard shield, thereby shock-resistant member can be located exactly.
And, owing to just on shock-resistant member, be provided with to install and use hole, thereby, can make shock-resistant member be planar and form to install in the shock-resistant member forming process or in the one procedure of back and use hole, can not need to use like that the high price forming die of the forming section that comprises protruding part to existing shock-resistant member.

Claims (1)

1. the structure of the mounting portion of a shock-resistant member that is used for guard shield, it is suitable for being provided with at least encirclement cylinder head guard shield on every side and the blower cooled engine that the shock-resistant member of being made by elastic material is installed between this guard shield and cylinder head, it is characterized in that, inner side surface at guard shield is provided with the engagement protruding part, and will mesh with protruding part and be pressed into the installation that is pre-formed on shock-resistant member with in the hole, in view of the above, shock-resistant member is installed on the guard shield, the diameter of wherein said protruding part is bigger than the diameter of described hole, and described shock-resistant member is flexible and is planar.
CN96102559A 1995-02-28 1996-02-27 Structure of installation parts for shock proof unit of protective hood Expired - Fee Related CN1077203C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP04083495A JP3531692B2 (en) 1995-02-28 1995-02-28 Attachment structure of vibration isolator to shroud
JP040834/1995 1995-02-28
JP040834/95 1995-02-28

Publications (2)

Publication Number Publication Date
CN1139733A CN1139733A (en) 1997-01-08
CN1077203C true CN1077203C (en) 2002-01-02

Family

ID=12591670

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96102559A Expired - Fee Related CN1077203C (en) 1995-02-28 1996-02-27 Structure of installation parts for shock proof unit of protective hood

Country Status (8)

Country Link
EP (1) EP0730087B1 (en)
JP (1) JP3531692B2 (en)
CN (1) CN1077203C (en)
DE (1) DE69602783T2 (en)
ES (1) ES2134521T3 (en)
FR (1) FR2731046B1 (en)
IT (1) IT1284356B1 (en)
TW (1) TW345129U (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5857439A (en) * 1997-05-22 1999-01-12 Kioritz Corporation Controlled noise portable power unit for operating a tool
JP3754579B2 (en) * 1999-07-12 2006-03-15 本田技研工業株式会社 Engine working machine
JP4549240B2 (en) * 2005-06-27 2010-09-22 本田技研工業株式会社 Small vehicle internal combustion engine
CN113858937A (en) * 2021-11-24 2021-12-31 奇瑞商用车(安徽)有限公司 Shock-absorbing mounting structure of automobile cooling fan

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3241205A1 (en) * 1982-11-08 1984-05-10 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Cylinder head cover of an internal combustion engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1064749B (en) * 1958-07-26 1959-09-03 Heinrich Lanz Ag Device for noise dampening for single or multi-cylinder internal combustion engines
JPS59139514U (en) * 1983-03-07 1984-09-18 本田技研工業株式会社 forced air cooled engine
JP3021166B2 (en) * 1992-01-30 2000-03-15 本田技研工業株式会社 Engine cover

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3241205A1 (en) * 1982-11-08 1984-05-10 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Cylinder head cover of an internal combustion engine

Also Published As

Publication number Publication date
ITTO960059A1 (en) 1997-07-30
DE69602783D1 (en) 1999-07-15
TW345129U (en) 1998-11-11
DE69602783T2 (en) 1999-10-07
EP0730087A1 (en) 1996-09-04
IT1284356B1 (en) 1998-05-18
CN1139733A (en) 1997-01-08
ITTO960059A0 (en) 1996-01-30
FR2731046A1 (en) 1996-08-30
JPH08232656A (en) 1996-09-10
EP0730087B1 (en) 1999-06-09
JP3531692B2 (en) 2004-05-31
ES2134521T3 (en) 1999-10-01
FR2731046B1 (en) 1997-05-09

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