CN104787121A - Vehicle body front-part structure - Google Patents
Vehicle body front-part structure Download PDFInfo
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- CN104787121A CN104787121A CN201410721197.8A CN201410721197A CN104787121A CN 104787121 A CN104787121 A CN 104787121A CN 201410721197 A CN201410721197 A CN 201410721197A CN 104787121 A CN104787121 A CN 104787121A
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- vehicle body
- panel
- lower faceplate
- panel lower
- gauge panel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2018—Floors or bottom sub-units in connection with other superstructure subunits the subunits being front structures
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention provides a vehicle body front-part structure which can fully inhibit vibrations and enable a lower panel of an instrument panel to not vibrate in the panel face direction. The vehicle body front-part structure comprises a lower panel (20) of an instrument panel, a channel part (30) which extends rearward from the lower part of the lower panel of the instrument panel and has a substantially inverted-U-shaped cross section, and a panel reinforcing part (70) reinforcing the lower panel of the instrument panel. The inner part of the channel part is provided with a channel reinforcing part (50) for limiting the channel part to deform towards the vehicle width direction. The panel reinforcing part is part which is substantially L-shaped in the side view, and is composed of a vertical part (71) extending to the up and down directions of a vehicle body (11) and a horizontal part (72) extending from the lower end of the vertical part to the rearward part of the vehicle body. The vertical part is connected with a face of a vehicle compartment side of the lower panel of the instrument panel. The horizontal part is connected with the channel reinforcing part via the channel part.
Description
Technical field
The present invention relates to the vehicle body front structure to improveing around gauge panel lower faceplate.
Background technology
Vehicle body is separated between the engine room of front portion and the car room at rear portion by gauge panel lower faceplate.When being configured in the engine idling operation in this engine room, small vibration (hereinafter referred to as idling vibration) in this driving engine, can be produced.Vibrate by this idling the acoustic pressure caused and be delivered to gauge panel lower faceplate from engine room.Because this gauge panel lower faceplate is the parts of the roughly stringer board shape erected from body bottom section, so the rigidity of panel direction (vehicle body fore-and-aft direction) is smaller.Thus, once produce this gauge panel lower faceplate along panel direction slight vibration phenomenon, namely once produce on this panel direction and small topple over phenomenon, the major cause causing car room noise will be become.In recent years, receive the requirement improving car room traveling comfort, and start to advance the research doing one's utmost to reduce noise, and implementation measure can not vibrate along panel direction to make this gauge panel lower faceplate.The technology of this vehicle body front structure can be learnt by patent documentation 1 ~ 3.
Fig. 7 represents the summary of the vehicle body front structure of patent documentation 1.Fig. 7 (a) is the figure of the front portion of the vehicle body 100 of the patent documentation 1 observed from vehicle front.Fig. 7 (b) is the cutaway view of the vehicle body 100 of b-b line along Fig. 7 (a).
As shown in Fig. 7 (a), (b), the gauge panel lower faceplate 101 of the vehicle body 100 learnt by patent documentation 1 has with the jut 103,103 of the left and right formed towards the mode warpage that engine room 102 is outstanding from front surface 101a.The front side vehicle frame 104,104 of left and right is positioned at the bottom of this gauge panel lower faceplate 101.Jut 103,103 about this extends to the front side vehicle frame 104,104 of left and right along the vertical direction from the upper limb 101b of this gauge panel lower faceplate 101.On the other hand, the rear surface 101c of this gauge panel lower faceplate 101 is equipped with brace panel 106.The closed section portion 107,107 of the left and right overlooked down in closed section shape is formed by this brace panel 106 and the jut 103,103 about this.
But the position in the closed section portion 107,107 of left and right significantly offsets outside overall width direction relative to overall width center 108.Thus, for effectively suppressing this gauge panel lower faceplate 101 along thickness of slab direction slight vibration, the i.e. small generation toppling over phenomenon in the longitudinal direction, also there is improvement space.
Fig. 8 represents the summary of the vehicle body front structure of patent documentation 2.As shown in Figure 8, the channel part 202 in roughly reverse U shape cross section that the vehicle body 200 learnt by patent documentation 2 has gauge panel lower faceplate 201 and rearward extends from the bottom of this gauge panel lower faceplate 201.This channel part 202 is positioned at overall width central authorities.On the face 201a of the side, car room 203 of this gauge panel lower faceplate 201, be provided with abundant strengthening part 204.This strengthening part 204 extends to channel part 202 from the top of this gauge panel lower faceplate 201.The lower end of this strengthening part 204 engages with this channel part 202.
But this channel part 202 likely causes reverse U shape cross section to be opened to overall width direction because of the power from upper effect.Thus, by the situation that the lower end of the strengthening part 204 extended along the vertical direction only engages with channel part 202, for effectively suppressing gauge panel lower faceplate 201 along thickness of slab direction slight vibration, the i.e. small generation toppling over phenomenon in the longitudinal direction, also there is improvement space.And, usually can near the side, car room 203 of this gauge panel lower faceplate 201, i.e. the below configuration interior environment system of gauge panel.On the face 201a of the side, car room 203 of this gauge panel lower faceplate 201 and in the structure of the abundant strengthening part 204 of overall width central authorities configuration, can disturb by interior environment system, the degree of freedom therefore configured is very low.
Fig. 9 represents the summary of the vehicle body front structure of patent documentation 3.As shown in Figure 9, the channel part 304 in roughly reverse U shape cross section that the vehicle body 300 learnt by patent documentation 3 has gauge panel lower faceplate 301, the front panel 302 engaged with the upper end of this gauge panel lower faceplate 301, the crossbeam 303 arranged in the midway of the short transverse of this gauge panel lower faceplate 301 and rearward extends from the bottom of this gauge panel lower faceplate 301.This front panel 302 and this crossbeam 303 extend to overall width direction.The reinforced panel 305 rearward extended from this crossbeam 303 engages with the upper surface 304a of channel part 304.
The face 301a of the side, car room 306 of this gauge panel lower faceplate 301 is provided with the strut member (brace) 307 vertically extended.This strut member 307 is only located in the one party in the first half of this gauge panel lower faceplate 301 and the latter half.That is, an end 307a of this strut member 307 is positioned at this front panel 302 with on the middle position 308 of this crossbeam 303, and engages with this gauge panel lower faceplate 301.The other end 307b of this strut member 307 engages with this front panel 302 or this crossbeam 303.
But as mentioned above, this strut member 307 is only located in the one party in the first half of this gauge panel lower faceplate 301 and the latter half.Therefore, for effectively suppressing gauge panel lower faceplate 301 along thickness of slab direction slight vibration, the i.e. small generation toppling over phenomenon in the longitudinal direction, also there is improvement space.
Prior art document
Patent documentation 1: Japanese Patent Publication 7-22374 publication
Patent documentation 2: Japanese Patent Publication 4-28178 publication
Patent documentation 3: Japanese invention patent No. 4152162 publication
Summary of the invention
The present invention can suppress vibration fully to provide one, and the technology that gauge panel lower faceplate is not vibrated along panel direction is problem.
According to the invention of technical scheme 1, a kind of vehicle body front structure is provided, comprises: the gauge panel lower faceplate forming the roughly stringer board shape of the antetheca of car room, the channel part in roughly reverse U shape cross section viewed from front rearward extended from the bottom of this gauge panel lower faceplate, with the one or more panel strengthening parts strengthening described gauge panel lower faceplate, the leading section of backplane channel is bonded in the rearward end of described channel part, the feature of this vehicle body front structure is, in the inside of described channel part, be provided with for limiting this channel part at least to the passage strengthening part of overall width Direction distortion, described panel strengthening part is the parts in roughly L-shaped under side-looking, by along described gauge panel lower faceplate to the vertical component effect that the above-below direction of vehicle body extends, form with the horizontal part extended to vehicle body rear from the lower end of this vertical component effect along described channel part, described vertical component effect engages with the face of the passenger compartment side of described gauge panel lower faceplate, described horizontal part engages with described passage strengthening part via described channel part, be bearing in thus on described passage strengthening part.
As as described in technical scheme 2, be preferably, described panel strengthening part is the parts in the roughly U-shaped cross section being formed as having in described passenger compartment side bottom surface, the side plate comprising left and right and the base plate will linked between the side of left and right, turning between side plate in described left and right and described base plate has the crest line of left and right, from the face of the described passenger compartment side of described gauge panel lower faceplate or the upper surface of described channel part to the degree of depth of the described bottom surface of described panel strengthening part, the degree of depth of the corner part of described vertical component effect and described horizontal part is maximum, and the degree of depth towards described vertical component effect upper end and diminish gradually, and towards described horizontal part rear end and diminish gradually.
As described in technical scheme 3, be preferably, on described gauge panel lower faceplate, be provided with and be positioned at a high position and the crossbeam extended along overall width direction compared with described channel part, the crest line of the described left and right in described horizontal part tilts forward towards described crossbeam with rising.
As described in technical scheme 4, be preferably, the side plate that described channel part comprises left and right and the top board will closed between the upper end of the side plate about this, side plate about this and the turning between this top board have the crest line of the left and right of described channel part, multiple described panel strengthening part is positioned at two parts along on the position of overall width direction separation, and the crest line outside the overall width direction in the crest line of the respective described left and right of these two panel strengthening parts is positioned on the crest line of the left and right of described channel part.
As described in technical scheme 5, be preferably, the described bottom surface of described panel strengthening part is formed as approximately towards the dip plane that tilts, rear decline ground from the upper end of described vertical component effect to the rear end of described horizontal part, described panel strengthening part is by the bottom surface of described inclination, the substantially vertical face engaged with described gauge panel lower faceplate and the approximate horizontal face engaged with described channel part and described passage strengthening part, and shape triangular in shape under being formed as side-looking.
As described in technical scheme 6, be preferably, be formed with the flange extended to vehicle body rear at the upper limb of described gauge panel lower faceplate, the upper end of described vertical component effect engages with described flange.
As described in technical scheme 7, be preferably, described passage strengthening part is the parts extended along overall width direction, and be formed as in the cross section of being roughly inverted cap shape under upper end has the side-looking of front flange and rear flange, described horizontal part engages with the described front flange in described passage strengthening part.
As described in technical scheme 8, be preferably, there is below further that be positioned at described gauge panel lower faceplate and along the front side vehicle frame of the left and right that vehicle body fore-and-aft direction extends, described passage strengthening part between the front side vehicle frame of described left and right, and is linked by the connecting member of left and right relative to the front side vehicle frame about this.
As described in technical scheme 9, be preferably, described channel part is individual components relative to described gauge panel lower faceplate, is made up of high tension steel.
Invention effect
In the invention of technical scheme 1, the channel part being roughly reverse U shape cross section viewed from front rearward extends from the bottom of gauge panel lower faceplate.Be provided with in the inside of this channel part for limiting this channel part at least to the passage strengthening part of overall width Direction distortion.The rigidity of this channel part and intensity are strengthened by this passage strengthening part, are improved thus.That is, can be undertaken limiting U-shaped cross section is not opened to overall width direction by the power of above-below direction.
Further, in the invention of technical scheme 1, the vertical component effect under being formed as side-looking being the roughly panel strengthening part of L-shaped engages with the face of the passenger compartment side of gauge panel lower faceplate.The horizontal part of this panel strengthening part engages with passage strengthening part via channel part, is bearing in thus on this passage strengthening part.That is, this passage strengthening part can via the support instrument dial plate lower faceplate fully on panel direction (vehicle body fore-and-aft direction) of the panel strengthening part in roughly L-shaped under side-looking.Thereby, it is possible to suppress this gauge panel lower faceplate along the vibration of panel direction, the small generation toppling over phenomenon namely on this panel direction fully.
And horizontal part extends from the lower end of vertical component effect along channel part to vehicle body rear.That is, the lower end of this vertical component effect is positioned at this channel part.This vertical component effect extends from the position this channel part upward along gauge panel lower faceplate, and engages with the face of the passenger compartment side of this gauge panel lower faceplate.Therefore, it is possible to fully improve the face rigidity of this gauge panel lower faceplate.Consequently, the microvibration produced on panel surface can be suppressed fully.
Like this, in the invention of technical scheme 1, by make gauge panel lower faceplate not suppress fully along the mode of panel direction vibration, the noise of car indoor can be reduced, and improve the traveling comfort of this car room.
In the invention of technical scheme 2, panel strengthening part is the parts in the roughly U-shaped cross section being formed as having in passenger compartment side bottom surface.The face of the passenger compartment side from gauge panel lower faceplate or the upper surface of channel part to the degree of depth of bottom surface is called recess depths.In this recess depths, the degree of depth of the corner part (sweep) of vertical component effect and horizontal part is maximum.And, this recess depths along with from this corner part vertically portion upper end and diminish gradually, and to diminish gradually along with from this corner part towards the rear end of horizontal part.Thereby, it is possible to vertical component effect in the roughly panel strengthening part of L-shaped under reduction side-looking and horizontal part near the passenger compartment side of gauge panel lower faceplate, overhang that namely below of gauge panel is outstanding.Therefore, owing to the interior environment system being configured in under-dash easily can be configured not disturb the mode of this panel strengthening part, so the degree of freedom of configuration can be improved.
And, because the recess depths of the corner part of vertical component effect and horizontal part is maximum, so the bending stiffness of panel strengthening part can be guaranteed fully.Thus, by this panel strengthening part, can support fully in the mode making this gauge panel lower faceplate not topple over to panel direction.
In the invention of technical scheme 3, gauge panel lower faceplate is provided with is positioned at high-order crossbeam compared with channel part.The crest line of the left and right in horizontal part tilts forward towards crossbeam with rising.Thus, by this panel strengthening part, can support fully in the mode making this gauge panel lower faceplate not topple over to panel direction.
In the invention of technical scheme 4, the crest line outside the respective overall width direction of two panel strengthening parts is positioned on the crest line of the left and right of channel part.Thus, by the crest line of the left and right of the crest line outside the overall width direction of each panel strengthening part and channel part, the tilting load that this gauge panel lower faceplate is toppled over to panel direction can be supported fully.
In the invention of technical scheme 5, roughly the bottom surface of the panel strengthening part in U-shaped cross section is formed as from the upper end of vertical component effect to the rear end of horizontal part approximately towards the dip plane that tilts, rear decline ground.Thus, owing to being general triangular under this panel strengthening part side-looking, so bending stiffness is very large.Thus, by this panel strengthening part, can support fully in the mode making this gauge panel lower faceplate not topple over to panel direction.
In the invention of technical scheme 6, the upper end of vertical component effect engages with the approximate horizontal flange of the upper limb of gauge panel lower faceplate.Thereby, it is possible to effectively suppress in the mode making this gauge panel lower faceplate not topple over to panel direction.
In the invention of technical scheme 7, passage strengthening part is the parts extended along overall width direction, is formed as under upper end has the side-looking of front flange and rear flange in the cross section of being roughly inverted cap shape.Horizontal part engages with the front flange in passage strengthening part.Thereby, it is possible to transmitted expeditiously from horizontal part to passage strengthening part by the tilting load making this gauge panel lower faceplate topple over to panel direction, consequently, this tilting load can be born fully.
In the invention of technical scheme 8, passage strengthening part between the front side vehicle frame of left and right, and is linked by the connecting member of left and right relative to the front side vehicle frame about this.Thereby, it is possible to carry out further limiting to make U-shaped cross section not open to overall width direction by the power of above-below direction.Therefore, by this passage strengthening part, can support fully in the mode making this gauge panel lower faceplate not topple over to panel direction.
In the invention of technical scheme 9, channel part is individual components relative to gauge panel lower faceplate, is made up of high tension steel.When having acted on collision load from front to vehicle body, this collision load can from the bottom of gauge panel lower faceplate to channel part transmission.To this, because channel part is made by high tension steel, so can there is not compressive deformation or diastrophic mode is guaranteed enough intensity and maintains shape.Therefore, it is possible to protect the occupant of car indoor fully.And, due to the thickness of slab suppressing channel part can be done one's utmost, so the lightweight of vehicle body can be sought.
Accompanying drawing explanation
Fig. 1 is the block diagram of the body forward structure of the present invention observed from back upper place.
Fig. 2 is the cutaway view of the 2-2 line along Fig. 1.
Fig. 3 is the block diagram of the body forward structure shown in Fig. 1 observed from front lower place.
Fig. 4 is the exploded drawings of the body forward structure shown in Fig. 1.
Fig. 5 is the block diagram of the latter half of the body forward structure shown in Fig. 1.
Fig. 6 is the block diagram of upper end relative to the connected structure of the upper end of the gauge panel lower faceplate shown in Fig. 1 of panel strengthening part.
Fig. 7 is the instruction diagram of the summary of the vehicle body front structure representing patent documentation 1.
Fig. 8 is the instruction diagram of the summary of the vehicle body front structure representing patent documentation 2.
Fig. 9 is the instruction diagram of the summary of the vehicle body front structure representing patent documentation 3.
Description of reference numerals
10-vehicle, 11-vehicle body, 13-car room, 20-gauge panel lower faceplate, 20a-upper limb, the face of 20b-passenger compartment side, 21-flange (panel flange), 30-channel part, 31-side plate, 32-top board, 32a-upper surface (upper surface of channel part), 33-crest line, 35-bottom panel, 39-backplane channel, vehicle frame on front side of 41-, 50-passage strengthening part, 51-front flange, flange after 52-, 61-connecting member, 62-crossbeam, 70-panel strengthening part, 71-vertical component effect, 71a-upper end, 72-horizontal part, 72a-rear end, 75-corner part, 81-side plate, 82-base plate, 84-crest line, 85-bottom surface, the substantially vertical face that 86-and gauge panel lower faceplate engage, the approximate horizontal face that 87-engages with channel part and passage strengthening part, 91-interior environment system, Ar-panel direction, Dp-recess depths.
Detailed description of the invention
Below, be described for implementing mode of the present invention with reference to the accompanying drawings.In addition, "front", "rear", "left", "right", " on ", D score according to from the angle views of chaufeur to direction, Fr represents front side, and Rr represents rear side, and Le represents left side, and Ri represents right side, and CL represents overall width center.
[embodiment]
Vehicle body front structure in embodiment is described.As shown in Figures 1 and 2, vehicle 10 is such as manned vehicle, the car room 13 in the engine room 12 being formed with front portion in the inner side of vehicle body 11 and the dead aft being positioned at this engine room 12.Not shown driving engine is configured with in this engine room 12.
As shown in FIG. 1 to 3, this vehicle body 11 is made up of self-supporting body (monocoque body), relative to the overall width direction from vehicle 10 center by and along vehicle fore-and-aft direction extend overall width centre line C L and be formed as symmetrical shape.The front portion of this vehicle body 11 comprises the front side vehicle frame 41,41 of gauge panel lower faceplate 20, channel part 30, bottom panel 35, backplane channel 39 and left and right.
As shown in Figures 1 and 2, this gauge panel lower faceplate 20 is by the partition wall of the stringer board shape separated between engine room 12 and car room 13.That is, gauge panel lower faceplate 20 is the parts of the antetheca forming car room 13.The upper limb 20a of this gauge panel lower faceplate 20 is formed the flange 21 extended to vehicle body rear.That is, this flange 21 is the approximate horizontal parts from the upper limb 20a of gauge panel lower faceplate 20 to vehicle body rear warpage.
As shown in Figure 1, Figure 2 and shown in Fig. 4, this channel part 30 is the parts in roughly reverse U shape cross section viewed from front rearward extended from the bottom of gauge panel lower faceplate 20, and is positioned at overall width central authorities.The side plate 31,31 that this channel part comprises left and right and the top board 32 will closed between the upper end of the side plate 31,31 about this.Side plate 31,31 about this and the turning between this top board 32, have the crest line 33,33 of the left and right of channel part 30.Crest line 33,33 about this extends along vehicle body fore-and-aft direction.The lower end of the side plate 31,31 about this, has the lower flange 36,36 of the left and right for engaging with bottom panel 35.
This channel part 30 is individual components relative to gauge panel lower faceplate 20, is made up of high tension steel.Specifically, this channel part 30 has front flange 37 at leading section.This front flange 37 is by engaging with the face 20b (rear surface 20b) of the passenger compartment side in gauge panel lower faceplate 20, and integrated with this gauge panel lower faceplate 20.
When having acted on collision load from front to vehicle body 11, this collision load has transmitted from the bottom of gauge panel lower faceplate 20 to channel part 30.To this, because channel part 30 is made by high tension steel, so can there is not compressive deformation or diastrophic mode is guaranteed enough intensity and maintains shape.Therefore, it is possible to protect the occupant in car room 13 fully.And, due to the thickness of slab suppressing channel part 30 can be done one's utmost, so the lightweight of vehicle body 11 can be sought.
This backplane channel 39 is the parts in roughly reverse U shape cross section viewed from front, is positioned at overall width central authorities.The leading section of this backplane channel 39 engages with the rearward end of this channel part 30.
As shown in Figure 3, the front side vehicle frame 41,41 about this is positioned at the below of gauge panel lower faceplate 20 and extends along vehicle body fore-and-aft direction.That is, the front side vehicle frame 41,41 about this extends from the bottom of gauge panel lower faceplate 20 to body forward structure.
In the rearward end of the front side vehicle frame 41,41 about this, be bonded to the front portion of the bottom vehicle frame 42,42 of the left and right extended to vehicle body rear.Bottom vehicle frame 42,42 about this supports this bottom panel 35.Further, in the rearward end of the front side vehicle frame 41,41 about this, be connected with the side outrigger 43,43 of the left and right that the outside to overall width direction extends.On the end in the outside of the side outrigger 43,43 about this, be bonded to the leading section of the lower longeron 44,44 of the left and right extended to vehicle body rear.
As shown in Figures 1 and 3, this bottom panel 35 be layed in car room 13 left and right lower longeron 44,44 between flat parts, engage with this channel part 30 and this backplane channel 39.
As shown in Figures 2 and 3, in the inside of channel part 30, be provided with for limiting this channel part 30 at least to the passage strengthening part 50 of overall width Direction distortion.That is, this passage strengthening part 50 extends along overall width direction, and is linked each other by the side plate 31,31 of the left and right of this channel part 30.Consequently, this passage strengthening part 50 can play the effect to the so-called strut member that the side plate 31,31 about this supports each other.
Further, this passage strengthening part 50 is overlapping with the inside face of the top board 32 of channel part 30 and engage.Consequently, this passage strengthening part 50 by strengthening this top board 32, and improves the bending stiffness on the above-below direction of this channel part 30.
Further, this passage strengthening part 50 extends downwards from the top board 32 of channel part 30 along the inside face of the side plate 31,31 of left and right, and each bottom 50a, 50a engage with the connecting member 61,61 of left and right.At the connecting member 61,61 of rear explanation about this.Consequently, this passage strengthening part 50 strengthens the side plate 31,31 of left and right.
Like this, the global shape of this passage strengthening part 50 is formed as being roughly reverse U shape viewed from front in the mode overlapped with the inside face in roughly this channel part 30 in reverse U shape cross section viewed from front.This passage strengthening part 50 engages with the inside face of this channel part 30.Consequently, by this passage strengthening part 50, entirety is strengthened this channel part 30, and therefore, bending stiffness and torsional rigid improve.
The cross sectional shape of this passage strengthening part 50 is the cross section that is formed as in cap shape under the side-looking opened to the inner surface side of this top board 32 relative to the top board 32 of channel part 30, and relative to left and right side plate 31,31 and be formed as respectively to the overlooking that the inner surface side of the side plate 31,31 about this is open lower be the cross section of cap shape.That is, this passage strengthening part 50 is the parts extended along overall width direction, is formed as under upper end (open end) has the side-looking of front flange 51 and rear flange 52 in the cross section of being roughly inverted cap shape.This front flange 51 is positioned at the front portion of this passage strengthening part 50.This rear flange 52 is positioned at the rear portion of this passage strengthening part 50.More particularly, this passage strengthening part 50 by front and back sidepiece 53,53, the top plate portion 54 by connected to each other for one end of the sidepiece 53,53 before and after this, the front flange 51 extended forward from the open end of this front side portion 53 and the rear flange 52 that extends back from the open end of this rear lateral portion 53 form.
This passage strengthening part 50 between the front side vehicle frame 41,41 of left and right, and is linked by the connecting member 61,61 of left and right relative to the front side vehicle frame 41,41 about this.That is, bottom 50a, 50a of the left and right of this passage strengthening part 50 are linked with front side vehicle frame 41,41 one of left and right by the connecting member 61,61 of left and right.Connecting member 61,61 about this to be formed as under side-looking, in the parts in cross section being roughly inverted cap shape, being positioned on straight line along overall width direction relative to the side outrigger 43,43 of left and right.
As shown in Figures 1 and 2, gauge panel lower faceplate 20 is provided with and is positioned at a high position and the crossbeam 62 extended along overall width direction compared with channel part 30.Be the shape of roughly cap shape under the side-looking that face 20c (front surface 20c) side that this crossbeam 62 is formed as the engine room side to gauge panel lower faceplate 20 opens, engage with the face 20c of this engine room side.
As shown in Figure 1, this gauge panel lower faceplate 20 is strengthened by one or more panel strengthening part 70.Such as in the present embodiment, this gauge panel lower faceplate 20 is strengthened by being positioned at along two the panel strengthening parts 70,70 on the position of overall width direction separation.These two panel strengthening parts 70,70 are formed as symmetrical shape relative to overall width centre line C L.
Then, left panel strengthening part 70 is illustrated.Due to right panel strengthening part 70 relative to left panel strengthening part 70 except being symmetrical shape, be same structure, so mark same reference numerals omitting the description.
As shown in Figure 1, Figure 2 and shown in Fig. 4, this left panel strengthening part 70 is the parts in roughly L-shaped under side-looking, is made up of the vertical component effect 71 extended along gauge panel lower faceplate 20 to the above-below direction of vehicle body 11 and the horizontal part 72 extended to vehicle body rear from the lower end of this vertical component effect 71 along channel part 30.
As shown in Figures 1 and 5, this panel strengthening part 70 is formed as making this vertical component effect 71 and these horizontal part 72 both sides all have the parts in the roughly U-shaped cross section of bottom surface 85 in side, car room 13, the side plate 81,81 comprising left and right and the base plate 82 will linked between the side plate 81,81 about this.That is, this vertical component effect 71 is formed as the roughly U-shaped cross section that opens to the 20b side, face of the passenger compartment side of gauge panel lower faceplate 20.The roughly U-shaped cross section that this horizontal part 72 is formed as making upper surface 32a (the upper surface 32a of the top board 32) side of channel part 30 open.In the open end of this panel strengthening part 70, and the two ends of side plate 81,81 about this are formed with the flange 83,83 of left and right.Side plate 81,81 about this and the turning between this base plate 82 have the crest line 84,84 of left and right.
This vertical component effect 71 engages with the face 20b of the passenger compartment side of gauge panel lower faceplate 20.That is, this vertical component effect 71 makes the flange 83,83 of left and right overlapping with the face 20b of the passenger compartment side of gauge panel lower faceplate 20 and engages.
As shown in Figure 6, the upper end 71a of this vertical component effect 71 engages with the flange 21 (panel flange 21) of gauge panel lower faceplate 20.The flange 73 (vertical component effect flange 73) extended to vehicle body rear is formed at the upper end 71a of this vertical component effect 71.That is, this vertical component effect flange 73 is the approximate horizontal parts from the upper end 71a of this vertical component effect 71 to vehicle body rear warpage.This vertical component effect flange 73 is overlapping with the panel flange 21 of gauge panel lower faceplate 20 from below and engage.
As shown in FIG. 1 to 3, this horizontal part 72 engages with passage strengthening part 50 via channel part 30, is bearing in thus on this passage strengthening part 50.That is, this horizontal part 72 makes the flange 83,83 of left and right overlapping with channel part 30 and engage from top.
Further, as shown in Figures 1 and 2, this horizontal part 72 has the flange 74 (rear flange 74) that the upper surface (upper surface of top board 32) from rear end 72a along channel part 30 rearward extends.This horizontal part 72 also engages with the front flange 51 in passage strengthening part 50.That is, the rear flange 74 of this horizontal part 72 is overlapping with the upper surface of channel part 30 from top, and engages with the front flange 51 in passage strengthening part 50 together with top board 32.
As shown in Figures 1 and 5, the crest line 84 outside the overall width direction in the crest line 84,84 of this two panel strengthening parts 70,70 respective left and right is positioned on the crest line 33,33 of the left and right of channel part 30.
As shown in Figure 1, the crest line 84,84 of the left and right in this horizontal part 72 tilts forward towards crossbeam 62 with rising.
As shown in Figure 2, the bottom surface 85 of this panel strengthening part 70 is formed as approximately towards the dip plane that tilts, rear decline ground from the upper end 71a of vertical component effect 71 to the rear end 72a of horizontal part 72.This panel strengthening part 70 is the shape of general triangular under being formed as side-looking by the bottom surface 85 that tilts, the substantially vertical face 86 (flange surface 86 of the flange 83 of vertical component effect 71) engaged with gauge panel lower faceplate 20 and the approximate horizontal face 87 (flange surface 87 of the flange 83 of horizontal part 72) that engages with channel part 30 and passage strengthening part 50.
As shown in Figure 2, the upper surface 32a (the upper surface 32a of top board 32) of the face 20b of the passenger compartment side from gauge panel lower faceplate 20 or channel part 30 to the degree of depth Dp of bottom surface 85 is called recess depths Dp.In this recess depths Dp, vertical component effect 71 is maximum with the degree of depth of the corner part 75 of horizontal part 72.Further, this recess depths Dp be set as from this corner part 75 vertically portion 71 upper end 71a and diminish gradually, and to diminish gradually from this corner part 75 towards the rear end 72a of horizontal part 72.
More than illustrate and be summarized as follows.As shown in Figures 2 and 3, be provided with in the inside of this channel part 30 for limiting this channel part 30 at least to the passage strengthening part 50 of overall width Direction distortion.The rigidity of this channel part 30 and intensity are by being strengthened by this passage strengthening part 50 and improving.That is, can be limited in the mode making U-shaped cross section and do not open to overall width direction by the power of above-below direction.
Further, the vertical component effect 71 of this panel strengthening part 70 engages with the face 20b of the passenger compartment side of gauge panel lower faceplate 20.The horizontal part 72 of this panel strengthening part 70 engages with passage strengthening part 50 via channel part 30, is bearing in thus on this passage strengthening part 50.That is, this passage strengthening part 50 can via the panel strengthening part 70 in roughly L-shaped under side-looking on the panel direction Ar (vehicle body fore-and-aft direction) shown in Fig. 2 bearing meter dish lower faceplate 20 fully.Thereby, it is possible to suppress that this gauge panel lower faceplate 20 vibrates along panel direction Ar, the small generation toppling over phenomenon namely on the Ar of this panel direction fully.
And horizontal part 72 extends from the lower end of vertical component effect 71 along channel part 30 to vehicle body rear.That is, the lower end of this vertical component effect 71 is positioned at this channel part 30.This vertical component effect 71 extends from the position this channel part 30 upward along gauge panel lower faceplate 20, and engages with the face 20b of the passenger compartment side of this gauge panel lower faceplate 20.Therefore, it is possible to fully improve the face rigidity of this gauge panel lower faceplate 20.Consequently, the microvibration produced on panel surface 20b, 20c can be suppressed fully.
Like this, by make gauge panel lower faceplate 20 can not suppress fully along the mode of panel surface 20b, 20c direction vibration, the noise in car room 13 can be reduced, and improve the traveling comfort of this car room 13.
As shown in Figure 2, in this recess depths Dp, vertical component effect 71 is maximum with the degree of depth of the corner part 75 (sweep 75) of horizontal part 72.And, this recess depths Dp along with from this corner part 75 vertically portion 71 upper end 71a and diminish gradually, and to diminish gradually along with from this corner part 75 towards the rear end 72a of horizontal part 72.Thereby, it is possible to vertical component effect 71 in the roughly panel strengthening part 70 of L-shaped under reduction side-looking and horizontal part 72 near the side, car room 13 of gauge panel lower faceplate 20, overhang that namely below of gauge panel (not shown) is outstanding.Therefore, owing to easily can be configured the interior environment system 91 being configured in under-dash, so the degree of freedom of configuration can be improved in the mode do not disturbed with this panel strengthening part 70.
And, because vertical component effect 71 is maximum with the recess depths Dp of the corner part 75 of horizontal part 72, so the bending stiffness of panel strengthening part 70 can be guaranteed fully.Thus, by this panel strengthening part 70, can support fully in the mode making this gauge panel lower faceplate 20 not topple over to panel direction Ar.
As shown in Figures 1 and 2, gauge panel lower faceplate 20 is provided with and is positioned at high-order crossbeam 62 compared with channel part 30.The crest line 84,84 of the left and right in horizontal part 72 tilts forward towards crossbeam 62 with rising.Thus, by this panel strengthening part 70,70, can support fully in the mode making this gauge panel lower faceplate 20 not topple over to panel direction Ar.
As shown in Figure 1, the crest line 84,84 outside each overall width direction of two panel strengthening parts 70,70 is positioned on the crest line 33,33 of the left and right of channel part 30.Thus, by the crest line 33,33 of the left and right of the crest line 84,84 outside the overall width direction of each panel strengthening part 70,70 and channel part 30, the tilting load that this gauge panel lower faceplate 20 is toppled over to panel direction Ar (with reference to Fig. 2) can be supported fully.
As shown in Figure 2, roughly the bottom surface 85 of the panel strengthening part 70 in U-shaped cross section is formed as approximately towards the dip plane that tilts, rear decline ground from the upper end 71a of vertical component effect 71 to the rear end 72a of horizontal part 72.Thus, owing to being general triangular under this panel strengthening part 70 side-looking, so bending stiffness is very large.Therefore, by this panel strengthening part 70, can support fully in the mode making this gauge panel lower faceplate 20 not topple over to panel direction Ar.
As shown in Figure 2, the upper end 71a of vertical component effect 71 engages with the approximate horizontal flange 21 of the upper limb 20a of gauge panel lower faceplate 20.Thereby, it is possible to effectively suppress in the mode making this gauge panel lower faceplate 20 not topple over to panel direction Ar.
As shown in Figure 2, horizontal part 72 engages with the front flange 51 in passage strengthening part 50.Thereby, it is possible to transmitted expeditiously from horizontal part 72 to passage strengthening part 50 by the tilting load making this gauge panel lower faceplate 20 topple over to panel direction Ar, consequently, this tilting load can be born fully.
As shown in Figure 3, passage strengthening part 50 between the front side vehicle frame 41,41 of left and right, and is linked by the connecting member 61,61 of left and right relative to the front side vehicle frame 41,41 about this.Thereby, it is possible to carry out further limiting to make U-shaped cross section not open to overall width direction by the power of above-below direction.Therefore, by this passage strengthening part 50, can support fully in the mode making this gauge panel lower faceplate 20 not topple over to panel direction Ar.
Industrial applicibility
Vehicle body front structure of the present invention is preferably used in the manned vehicle in vehicle body 11 front portion with engine room 12.
Claims (9)
1. a vehicle body front structure, comprising: the gauge panel lower faceplate forming the roughly stringer board shape of the antetheca of car room; The channel part in roughly reverse U shape cross section viewed from front rearward extended from the bottom of this gauge panel lower faceplate; With the one or more panel strengthening parts strengthening described gauge panel lower faceplate, be bonded to the leading section of backplane channel in the rearward end of described channel part, the feature of this vehicle body front structure is,
In the inside of described channel part, be provided with for limiting this channel part at least to the passage strengthening part of overall width Direction distortion,
Described panel strengthening part is the parts in roughly L-shaped under side-looking, is made up of the vertical component effect extended along described gauge panel lower faceplate to the above-below direction of vehicle body and the horizontal part extended to vehicle body rear from the lower end of this vertical component effect along described channel part,
Described vertical component effect engages with the face of the passenger compartment side of described gauge panel lower faceplate,
Described horizontal part engages with described passage strengthening part via described channel part, is bearing in thus on described passage strengthening part.
2. vehicle body front structure according to claim 1, is characterized in that, described panel strengthening part is the parts in the roughly U-shaped cross section being formed as having in described passenger compartment side bottom surface, the side plate comprising left and right and the base plate will linked between the side plate of left and right,
Turning between side plate in described left and right and described base plate has the crest line of left and right,
From the face of the described passenger compartment side of described gauge panel lower faceplate or the upper surface of described channel part to the degree of depth of the described bottom surface of described panel strengthening part, the degree of depth of the corner part of described vertical component effect and described horizontal part is maximum, and the degree of depth towards described vertical component effect upper end and diminish gradually, and towards described horizontal part rear end and diminish gradually.
3. vehicle body front structure according to claim 2, is characterized in that, on described gauge panel lower faceplate, is provided with and is positioned at a high position and the crossbeam extended along overall width direction compared with described channel part,
The crest line of the described left and right in described horizontal part tilts forward towards described crossbeam with rising.
4. the vehicle body front structure according to Claims 2 or 3, is characterized in that, the side plate that described channel part comprises left and right and the top board will closed between the upper end of the side plate about this,
Side plate about this and the turning between this top board have the crest line of the left and right of described channel part,
Described multiple panel strengthening part is positioned at two parts along on the position of overall width direction separation,
Crest line outside overall width direction in the crest line of the respective described left and right of these two panel strengthening parts is positioned on the crest line of the left and right of described channel part.
5. the vehicle body front structure according to any one of claim 2 ~ 4, is characterized in that, the described bottom surface of described panel strengthening part is formed as approximately towards the dip plane that tilts, rear decline ground from the upper end of described vertical component effect to the rear end of described horizontal part,
Described panel strengthening part is by the bottom surface of described inclination, the substantially vertical face engaged with described gauge panel lower faceplate and the approximate horizontal face engaged with described channel part and described passage strengthening part, and shape triangular in shape under being formed as side-looking.
6. the vehicle body front structure according to any one of Claims 1 to 5, is characterized in that, is formed with the flange extended to vehicle body rear at the upper limb of described gauge panel lower faceplate,
The upper end of described vertical component effect engages with described flange.
7. the vehicle body front structure according to any one of claim 1 ~ 6, is characterized in that, described passage strengthening part is the parts extended along overall width direction, is formed as in the cross section of being roughly inverted cap shape under upper end has the side-looking of front flange and rear flange,
Described horizontal part engages with the described front flange in described passage strengthening part.
8. the vehicle body front structure according to any one of claim 1 ~ 7, is characterized in that, also has the below that is positioned at described gauge panel lower faceplate and along the front side vehicle frame of the left and right that vehicle body fore-and-aft direction extends,
Described passage strengthening part between the front side vehicle frame of described left and right, and is linked by the connecting member of left and right relative to the front side vehicle frame about this.
9. the vehicle body front structure according to any one of claim 1 ~ 8, is characterized in that, described channel part is individual components relative to described gauge panel lower faceplate, is made up of high tension steel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-008914 | 2014-01-21 | ||
| JP2014008914A JP2015136988A (en) | 2014-01-21 | 2014-01-21 | Vehicle body front part structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104787121A true CN104787121A (en) | 2015-07-22 |
| CN104787121B CN104787121B (en) | 2017-04-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410721197.8A Active CN104787121B (en) | 2014-01-21 | 2014-12-02 | Vehicle body front-part structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2015136988A (en) |
| CN (1) | CN104787121B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423073A (en) * | 2018-04-25 | 2018-08-21 | 北京汽车集团有限公司 | Front panel reinforcing plate and vehicle |
| CN108454705A (en) * | 2018-03-26 | 2018-08-28 | 力帆实业(集团)股份有限公司 | Automobile dash board assembly |
| CN112249171A (en) * | 2020-10-30 | 2021-01-22 | 安徽江淮汽车集团股份有限公司 | Passageway structure and car in floor before automobile body |
| CN112441125A (en) * | 2019-09-04 | 2021-03-05 | 本田技研工业株式会社 | Vehicle body front structure |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101816378B1 (en) | 2016-01-29 | 2018-01-08 | 현대자동차주식회사 | A structure of panel assembly for preventing column dive |
| JP6596354B2 (en) * | 2016-02-19 | 2019-10-23 | 本田技研工業株式会社 | Auto body structure |
| JP6519565B2 (en) * | 2016-10-11 | 2019-05-29 | トヨタ自動車株式会社 | Floor panel |
| JP6547772B2 (en) * | 2017-01-24 | 2019-07-24 | トヨタ自動車株式会社 | Vehicle floor structure |
| CN107264644A (en) * | 2017-07-27 | 2017-10-20 | 东风小康汽车有限公司重庆分公司 | A kind of body of a motor car driving cabin assembly structure |
| JP7197254B2 (en) * | 2019-06-11 | 2022-12-27 | ダイハツ工業株式会社 | vehicle structure |
| JP7221328B2 (en) * | 2021-04-30 | 2023-02-13 | 本田技研工業株式会社 | Underbody structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59186779A (en) * | 1983-03-15 | 1984-10-23 | Mazda Motor Corp | Front body structure of automobile |
| CN101219680A (en) * | 2007-01-09 | 2008-07-16 | 马自达汽车株式会社 | Front vehicle body structure |
| CN102947169A (en) * | 2010-06-24 | 2013-02-27 | 本田技研工业株式会社 | Structure of front section of vehicle |
| US8388048B2 (en) * | 2010-05-07 | 2013-03-05 | Suzuki Motor Corporation | Reinforcing structure for vehicle body front part |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60117224U (en) * | 1984-01-19 | 1985-08-08 | 三菱自動車工業株式会社 | Automobile roll stopper support structure |
| JPH0428178U (en) * | 1990-06-29 | 1992-03-05 | ||
| JP4297152B2 (en) * | 2006-10-06 | 2009-07-15 | トヨタ自動車株式会社 | Vehicle front structure |
-
2014
- 2014-01-21 JP JP2014008914A patent/JP2015136988A/en not_active Withdrawn
- 2014-12-02 CN CN201410721197.8A patent/CN104787121B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59186779A (en) * | 1983-03-15 | 1984-10-23 | Mazda Motor Corp | Front body structure of automobile |
| CN101219680A (en) * | 2007-01-09 | 2008-07-16 | 马自达汽车株式会社 | Front vehicle body structure |
| US8388048B2 (en) * | 2010-05-07 | 2013-03-05 | Suzuki Motor Corporation | Reinforcing structure for vehicle body front part |
| CN102233904B (en) * | 2010-05-07 | 2013-05-29 | 铃木株式会社 | Reinforcing structure for vehicle body front part |
| CN102947169A (en) * | 2010-06-24 | 2013-02-27 | 本田技研工业株式会社 | Structure of front section of vehicle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454705A (en) * | 2018-03-26 | 2018-08-28 | 力帆实业(集团)股份有限公司 | Automobile dash board assembly |
| CN108423073A (en) * | 2018-04-25 | 2018-08-21 | 北京汽车集团有限公司 | Front panel reinforcing plate and vehicle |
| CN112441125A (en) * | 2019-09-04 | 2021-03-05 | 本田技研工业株式会社 | Vehicle body front structure |
| CN112441125B (en) * | 2019-09-04 | 2022-09-27 | 本田技研工业株式会社 | Vehicle body front structure |
| CN112249171A (en) * | 2020-10-30 | 2021-01-22 | 安徽江淮汽车集团股份有限公司 | Passageway structure and car in floor before automobile body |
| CN112249171B (en) * | 2020-10-30 | 2022-02-15 | 安徽江淮汽车集团股份有限公司 | Passageway structure and car in floor before automobile body |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015136988A (en) | 2015-07-30 |
| CN104787121B (en) | 2017-04-12 |
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