CN100540345C - The engine cover sealing structure of self-propelled vehicle - Google Patents
The engine cover sealing structure of self-propelled vehicle Download PDFInfo
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- CN100540345C CN100540345C CNB2006101534143A CN200610153414A CN100540345C CN 100540345 C CN100540345 C CN 100540345C CN B2006101534143 A CNB2006101534143 A CN B2006101534143A CN 200610153414 A CN200610153414 A CN 200610153414A CN 100540345 C CN100540345 C CN 100540345C
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- sealing
- perisporium
- car bonnet
- protrusion
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Abstract
Get in the engine cover sealing structure of nock face that containment member is crimped on engine room making the car bonnet that is installed on self-propelled vehicle get leading section, when in above-mentioned upper surface protrusion being arranged, the sealing and the protrusion of containment member are not interfered.Lower end at the sealing (42) of the hollow bulb of containment member (4), formation is given prominence to the projection (5) that is crimped on nock face (20) in the positive front position of protrusion (3) to the below of retreading, the perisporium rear face (44) of sealing (42), form the cross section by its first half (44a) and lower part (44b) and roughly be the L font, curve (45) is positioned at the top of above-mentioned jut (3), and formation thin-walled, sealing (42) is pressed when anterior upper surface (20), above-mentioned lower part (44b) is bow action forwards, avoids the interference with above-mentioned protrusion (3).
Description
Technical field
The present invention relates to the gap sealed engine cover sealing structure between the nock face of a kind of leading section of the car bonnet with self-propelled vehicle and engine room.
Background technology
As shown in Figures 3 and 4, between the nock face 20 of the leading section of the car bonnet 1 of self-propelled vehicle and engine room on the other side, antitriptic wind sound when buffering when preventing closed car bonnet 1 and motor-driven vehicle going etc. and the containment member 4 that is provided with.
Shown in Figure 4, and described in the following note patent documentation, containment member 4 is by installing base portion 41 and constituting from the sealing 42 of the outstanding hollow form of its front end, installs below base portion 41 is installed in car bonnet 1 by clip 40 the front end.Containment member 4 normally constitutes integrally formed body by rubber or synthetic resin, base portion 41 is installed is made of hard material, and sealing 42 is soft materials, constitutes with sponge material usually.
The front portion of engine room is formed by radiator grille 21 and head lamp 22, and when closed car bonnet 1, the lower end of the sealing 42 of containment member 4 is crimped on the upper surface 20 of this formation.
Patent documentation 1: the spy opens flat 4-300788 communique
Patent documentation 2: the spy opens flat 4-334668 communique
But the nock face 20 of engine room may not be restricted to tabular surface, and the situation of the various protrusions of design is arranged more.The protrusion 3 of legend is chimeric and card ends the protrusion of the front end edge of the radiator cover body 30 on the radiator of abridged among the figure that is provided with at radiator cover grille 21 rear portions, and is integrally formed with the radiator grille 21 of synthetic resin.
If be provided with such protrusion 3, then when closed car bonnet 1, the lower part of the sealing 42 back sides of containment member 4 is urged on protrusion 3, and the resistance of car bonnet 1 is become big.In addition, forwards push,, diminish the outward appearance of motor vehicle front end so the lower end of sealing 42 front face side is forwards outstanding from the gap between the nock face 20 of the leading section of car bonnet 1 and engine room because the lower part integral body of sealing 42 is highlighted portion 3.
Therefore, if for avoiding the interference of sealing 42 and protrusion 3, and with the front and back width constriction of sealing 42, then sealing 42 can not get necessary crimp force with respect to above-mentioned nock face 20, produces the low problem of leak tightness.
In addition, also be thought of as the interference of avoiding sealing 42 and protrusion 3 and the formation position of protrusion 3 rearward moved the therefore necessary structure that changes the engine room leading section.
Summary of the invention
Problem of the present invention is, do not change the structure of engine room leading section, and the structure of improvement containment member is realized the protrusion mutually noninterfere of the nock face of the sealing of containment member and engine room thus, and brings into play the engine cover sealing structure of the self-propelled vehicle of sufficient leak tightness.
The invention provides a kind of engine cover sealing structure of self-propelled vehicle, with the leading section of car bonnet be provided with clearance seal between the nock face of engine room of protrusion, to have by hard material and make the installation base portion, with containment member from the sealing of the outstanding downwards hollow form that constitutes by soft material of the front end of this installation base portion, be installed in by above-mentioned installation base portion below the front end of car bonnet, and the perisporium lower end that makes the sealing perisporium when car bonnet is closed is crimped on the nock face of engine room in the positive front position of above-mentioned protrusion, wherein, form in above-mentioned perisporium lower end outstanding below retreading and front end be crimped on the projection of above-mentioned nock face, the perisporium rear face of above-mentioned sealing perisporium is extended out from above-mentioned installation base portion, under the state of car bonnet closure, it is roughly L shaped to form rearward outstanding section by the first half of the top position that becomes above-mentioned protrusion and the lower part that is connected this first half and above-mentioned projection, and the thin-walled that the curve of above-mentioned perisporium rear face forms thinlyyer than the other parts of above-mentioned sealing perisporium, flexural deformation easily, when making above-mentioned projection be crimped on above-mentioned nock face, the curved shape (first aspect) of above-mentioned lower part flexure deformation for forwards stretching out.When car bonnet is closed, the projected front ends of sealing perisporium lower end contacts with the nock face of engine room, when further signature fashionable, the perisporium lower end forwards tilts as fulcrum and projection together with projected front ends, simultaneously, the curve bending of the perisporium rear face of sealing and quilt are given as security downwards, so, the forwards arciform bending of lower part and the protrusion of the perisporium rear face relative with the front of protrusion do not disturb mutually.
Among the present invention, above-mentioned projection has the roughly the same thickness of perisporium of bottom and above-mentioned sealing, and it forms taper shape (second aspect).When closed car bonnet, if projected front ends is crimped on above-mentioned nock face, then projection and perisporium lower end integral body turn forward, and curve forms groove and bending easily at inner face, therefore, the forwards arciform reliably flexure deformation of the lower part of the perisporium rear face of sealing.
In addition, in the present invention, the first half of above-mentioned perisporium rear face is formed on the direction of tilt that extends below retreading with respect to the direction of the sealing extruding of car bonnet front end (third aspect).And, among the present invention,, make the above-mentioned first half fascinate easily (fourth aspect) at the outside, bottom of the upper end of above-mentioned perisporium rear face and the connecting portion formation otch below the above-mentioned installation base portion.Thus, the curve of the perisporium rear face of sealing just can accurately fold with very little load when car bonnet is closed.
Description of drawings
Fig. 1 be expression engine cover sealing structure of the present invention, along the section-drawing of the position of the A-A line of Fig. 3;
Fig. 2 be expression engine cover sealing structure of the present invention, the section-drawing along the car bonnet of the position of the A-A line of Fig. 3 when closed;
Fig. 3 uses the front perspective view of the self-propelled vehicle of engine cover sealing structure of the present invention.
Fig. 4 be expression available engine cover hermetically-sealed construction, the section-drawing along the car bonnet of the position of the A-A line of Fig. 3 when closed.
Among the figure: 1 car bonnet, 20 nock faces, 21 radiator shells, 22 head lamps, 3 protrusions, 4 containment members, 41 are installed base portion, 42 sealings, 43 perisporium front faces, 44 perisporium rear faces, the 44a first half, 44b lower part, 45 curves, 451 grooves, 46 otch, 5 projections.
The specific embodiment
According to Fig. 1, Fig. 2 and Fig. 3 embodiments of the present invention are described.As Fig. 1 and shown in Figure 3, the front portion that opens and closes the car bonnet 1 of engine room is made of engine hood outer panel 11 and bonnet inner panel 12, and they are in front end combination by crimping processing.Binding end engine hood outer panel 11 and bonnet inner panel 12 covers with sealing member 13.On the other hand, the front portion of engine room is made of the head lamp 22 of radiator grille 21 and its left and right sides, and these upper surface 20 is to banded whole extension of overall width direction.And when car bonnet 1 closure, the gap that the front end of above-mentioned nock face 20 and car bonnet 1 exists is relative up and down.
Be provided with not shown radiator in radiator grille 21 rear positions, its top covers with radiator cover body 30.Radiator grille 21 be by plastic, end face 20 is formed with chimeric and card ends the protrusion 3 of the front end edge of radiator cover body 30 thereon.
At the front end of car bonnet 1, the front end edge along car bonnet 1 below bonnet inner panel 12 is equipped with containment member 4 in the overall width direction.Containment member 4 adopts rubber or synthetic resin, has the base portion 41 of installation and sealing 42.It is dull and stereotyped band shape that base portion 41 is installed, by hard material for example the EPDM solid rubber make.The cross section of sealing 42 roughly is oblong hollow form, and is roughly outstanding downwards from the front end that base portion 41 is installed.The general portion of sealing 42 perisporiums by sponge material for example the EPDM expanded cellular rubber make, the bottom of front and back is made of two sections hard material before and after being divided into from the front end that base portion 41 is installed.Containment member 4 its install base portions 41 with the interval of regulation by clip 40 be fixed on bonnet inner panel 12 below.Containment member 4 is by extrusion molding and integrally formed.
Lower end at sealing 42 perisporiums is formed with projection 5.Projection 5 bottoms and sealing 42 perisporiums have roughly same thickness, constitute the shape of taper, and are outstanding to the below of retreading.Projection 5 is when car bonnet 1 closure, and front end is crimped on the nock face 20 of engine room in the position, dead ahead of above-mentioned protrusion 3.
As shown in Figure 1, the perisporium front face 43 from the bottom of front side to the sealing 42 of projection 5 constitutes to the mild curved shape that stretches out previously.Roughly L shaped at first half 44a and its cross section formation of lower part 44b from the bottom of rear side to the perisporium rear face 44 of projection 5.The above-mentioned first half 44a that comprises hard bottom be crushed on because of the front end of car bonnet 1 with respect to sealing 42 when car bonnet 1 is done closed action on the above-mentioned nock face 20 of engine room roughly to the direction of extrusion (diagram arrow Y direction) of vertical lower, forming than its direction of tilt that below retreading, extends slightly, setting rearward outstanding mild L shaped curve 45 and make its projection 3 lean on the top position than above-mentioned nock face 20.
Connecting the above-mentioned curve 45 of perisporium rear face 44 of sealing 42 and the lower part 44b that is positioned at the above-mentioned jut 5 of its below, front side is part relative with the front of above-mentioned protrusion 3 when car bonnet 1 closure, the lower end is connected with the bottom of jut 5, is formed on the forwards outstanding roughly L shaped shape of lower end and jut 5.
When car bonnet 1 closed procedure, at first the jut 5 of sealing 42 lower ends joins at the anterior position and the above-mentioned nock face 20 of protrusion 3, as shown in Figure 2, when upward giving as security sealing 42 certainly, jut 5 and periphery thereof are inclined to the place ahead with the front end of jut 5 as fulcrum.On the other hand, the first half 44a of the perisporium rear face 44 of sealing 42 is owing to be subjected to be given as security from the load of car bonnet 1, warpage is also mobile downwards more as thin-wall curve 45, the lower part 44b of perisporium rear face 44 is similar with the portion that leans forward of the perisporium lower end of sealing 42, forwards lean out and be arciform bending, from the bottom of the upper end of perisporium rear face 44 towards the front end of jut 5, the whole S word shape that forms.Therefore, the lower part 44b of perisporium rear face 44 and protrusion 3 do not disturb mutually.At this moment, because be formed with otch 46 in the bottom of the upper end of perisporium rear face 44, so, fascinate to the direction of toppling over easily with respect to load from the top, make perisporium rear face 44 to the distortion of S word shape stabilization more.
But, when car bonnet 1 closure, when the nock face 20 that sealing 42 is urged to engine room, because the forwards arciform bending of lower part 44b of the perisporium rear face 44 of the sealing 42 relative with the protrusion 3 of nock face 20, so, perisporium rear face 44 and protrusion 3 do not disturb mutually, and the thrust pressure of sealing 42 acts on the nock face 20 expeditiously, and the performance good sealing property.In addition, because sealing 42 and protrusion 3 do not disturb mutually, so the resistance when car bonnet 1 is closed does not increase yet.In addition, when sealing 42 is pushed on the nock face 20, because topple over forwards the bottom that contains jut 5, some thereby the bottom integral body of the perisporium front face 43 of sealing 42 forwards moves, but not outstanding from the gap of 20 in the front end of car bonnet 1 and nock face.
Claims (4)
1, a kind of engine cover sealing structure of self-propelled vehicle, with the leading section of car bonnet be provided with clearance seal between the nock face of engine room of protrusion, to have by hard material and make the installation base portion, with containment member from the sealing of the outstanding downwards hollow form that constitutes by soft material of the front end of this installation base portion, be installed in by above-mentioned installation base portion below the front end of car bonnet, and the perisporium lower end that makes the sealing perisporium when car bonnet is closed is crimped on the nock face of engine room in the positive front position of above-mentioned protrusion, it is characterized in that
Form in above-mentioned perisporium lower end outstanding below retreading and front end be crimped on the projection of above-mentioned nock face, the perisporium rear face of above-mentioned sealing perisporium is extended out from above-mentioned installation base portion, under the state of car bonnet closure, form rearward outstanding section by the first half of the top position that becomes above-mentioned protrusion and the lower part that is connected this first half and above-mentioned projection and roughly be the L font, and the curve of above-mentioned perisporium rear face forms the thin-walled thinner than the other parts of above-mentioned sealing perisporium, flexural deformation easily, when making above-mentioned projection be crimped on above-mentioned nock face, the curved shape of above-mentioned lower part flexure deformation for forwards stretching out.
2, the engine cover sealing structure of self-propelled vehicle as claimed in claim 1 is characterized in that, the perisporium of its bottom of above-mentioned projection and above-mentioned sealing has roughly the same thickness, forms the taper shape.
As the engine cover sealing structure of each described self-propelled vehicle in claim 1 and 2, it is characterized in that 3, the first half of above-mentioned perisporium rear face is formed on the direction of tilt that extends with respect to the sealing direction of extrusion of car bonnet front end below retreading.
4, the engine cover sealing structure of self-propelled vehicle as claimed in claim 3 is characterized in that, at the outside, bottom of the upper end of above-mentioned perisporium rear face and the connecting part formation otch below the above-mentioned installation base portion, the above-mentioned first half is fascinated easily.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005276362A JP2007083916A (en) | 2005-09-22 | 2005-09-22 | Automobile hood seal structure |
| JP2005276362 | 2005-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1935548A CN1935548A (en) | 2007-03-28 |
| CN100540345C true CN100540345C (en) | 2009-09-16 |
Family
ID=37953344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101534143A Expired - Fee Related CN100540345C (en) | 2005-09-22 | 2006-09-14 | The engine cover sealing structure of self-propelled vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2007083916A (en) |
| CN (1) | CN100540345C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5184387B2 (en) * | 2009-01-09 | 2013-04-17 | ヤンマー株式会社 | Bonnet structure |
| CN102576072B (en) * | 2009-10-19 | 2014-10-08 | 三菱电机株式会社 | Airborne ultrasonic sensor |
| CN103847655A (en) * | 2012-11-28 | 2014-06-11 | 重庆长安汽车股份有限公司 | Passenger car front cover sealing structure |
| CN105015628A (en) * | 2015-07-23 | 2015-11-04 | 广西柳工机械股份有限公司 | Engine cover sealing device |
| JP6801633B2 (en) * | 2017-11-10 | 2020-12-16 | トヨタ車体株式会社 | Vehicle sealing material mounting structure and sealing material |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4839796A (en) * | 1987-07-16 | 1989-06-13 | Icon International, Inc. | Static frame digital memory |
| JPH0452950A (en) * | 1990-06-20 | 1992-02-20 | Ricoh Co Ltd | Operation manual preparing device |
| JPH0713666A (en) * | 1993-06-24 | 1995-01-17 | Matsushita Electric Ind Co Ltd | Data processor |
| JPH09123845A (en) * | 1995-11-02 | 1997-05-13 | Kinugawa Rubber Ind Co Ltd | Draining clip of weather strip |
| JP3161451B2 (en) * | 1999-04-02 | 2001-04-25 | トヨタ車体株式会社 | Automotive hood seal structure |
-
2005
- 2005-09-22 JP JP2005276362A patent/JP2007083916A/en not_active Withdrawn
-
2006
- 2006-09-14 CN CNB2006101534143A patent/CN100540345C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1935548A (en) | 2007-03-28 |
| JP2007083916A (en) | 2007-04-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20110914 |