阅读说明：本技术 车身前部结构 (Vehicle body front structure ) 是由 近藤武宏 于 2018-05-31 设计创作，主要内容包括：车身前部结构具备减震器壳体和横梁。横梁与减震器壳体连接,由此,由横梁及减震器壳体形成了闭合截面。闭合截面架在前部侧方框架及上梁上沿着上下方向延伸。横梁具有第一安装部。在第一安装部安装对车辆的驱动源进行支承的装配构件。横梁形成为在闭合截面中随着从第一安装部趋向下方而横梁距减震器壳体的距离尺寸变小。(Vehicle body front structure has damper shell and crossbeam.Crossbeam is connect with damper shell, forms closed section by crossbeam and damper shell as a result,.Closed section frame extends on toe lateral square bearer and upper beam along up and down direction.Crossbeam has the first mounting portion.The mounting structure supported to the driving source of vehicle is installed in the first mounting portion.Crossbeam shape becomes in closed section with crossbeam the becoming smaller apart from size away from damper shell below the first mounting portion trend.)

1. a kind of vehicle body front structure, has:

Toe lateral square bearer extends along vehicle body front-rear direction；

Upper beam is configured at the position than the toe lateral square bearer on the outside of vehicle width direction, and prolongs along vehicle body front-rear direction It stretches；

Damper shell is configured between the toe lateral square bearer and the upper beam；And

Crossbeam is continuously formed closed section and being connected to the damper shell together with the damper shell, And frame extends on the toe lateral square bearer and the upper beam along up and down direction, wherein

The crossbeam has the mounting portion that the mounting structure to the driving source of bearing vehicle is installed,

The crossbeam shape become in the closed section with below mounting portion trend and the crossbeam subtracts away from described Shake device shell becomes smaller apart from size.

2. vehicle body front structure according to claim 1, wherein

Frame attaching portion of the closed section between the damper shell and the toe lateral square bearer is towards on described Beam is formed.

3. vehicle body front structure according to claim 1 or 2, wherein

The damper shell is configured at the position than the crossbeam on the outside of vehicle width direction, the lower end of the damper shell It is installed on the toe lateral square bearer,

The damper shell has the rib extended along up and down direction in the lower end.

4. vehicle body front structure described in any one of claim 1 to 3, wherein

The vehicle body front structure has damper shell extension, which is set to the damper shell The vehicle front of body, and it is connected to the damper shell,

The crossbeam has the front flange stretched out towards vehicle front,

The front flange is connected to the housing coupling part between the damper shell and the damper shell extension.

5. vehicle body front structure according to claim 4, wherein

The crossbeam has rear flange, which stretches out towards vehicle body rear, and is connected to the damper shell,

A side of the crossbeam in the front flange and the rear flange has swells.

Technical field

The present invention relates to vehicle body front structures.

The application based on 06 month 2017 Japan's Patent filed in 28 days 2017-126300 come CLAIM OF PRIORITY, will Its content is incorporated herein.

Background technique

As vehicle body front structure, it is known to such as flowering structure: being provided with damper between toe lateral square bearer and upper beam Shell is provided with damper pedestal in the upper end of damper shell.The front end of damper shell is provided with crossbeam.Subtracting The upper end for shaking device pedestal mounting shock absorber, in lower end support front wheel.

By the way that crossbeam is arranged in the front end of damper shell, the intensity (rigidity) of damper shell is ensured, can Support damper well using damper pedestal (referring for example to patent document 1).

Citation

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2017-7606 bulletin

Summary of the invention

Subject to be solved by the invention

In vehicle body front structure, there is driving of the position setting for being provided with crossbeam to vehicle in damper shell The vehicle body front structure for the department of assembly that source is supported.As driving source, exist engine and transmission device is integrated dynamic Power unit, motor.

By supporting driving source using department of assembly, so that the load from driving source is via department of assembly to damper shell It is provided with the position input of crossbeam.Specifically, relative to the position for being provided with crossbeam, from vehicle body front-rear direction and be provided with The load of the face at the position of crossbeam the two directions of orthogonal orthogonal direction input driving source.

Therefore, pursuing can be at the position for being provided with crossbeam in damper shell, for what is inputted from both direction The load of driving source ensures intensity to support the functionization of the technology of driving source.

The scheme of the invention is considering such situation and completing, its purpose is to provide can be in damper shell Be provided at the position of crossbeam support driving source vehicle body front structure.

Solution for solving the problem

To solve the above-mentioned problems, present invention employs schemes below.

(1) vehicle body front structure of a scheme of the invention has: toe lateral square bearer prolongs along vehicle body front-rear direction It stretches；Upper beam is configured at the position than the toe lateral square bearer on the outside of vehicle width direction, and prolongs along vehicle body front-rear direction It stretches；Damper shell is configured between the toe lateral square bearer and the upper beam；And crossbeam, by being connected to State damper shell and be continuously formed closed section together with the damper shell, and frame in the toe lateral square bearer and Extend on the upper beam along up and down direction, wherein there is the crossbeam mounting structure of the driving source to bearing vehicle to carry out The mounting portion of installation, the crossbeam shape become in the closed section with the crossbeam below mounting portion trend Away from becoming smaller apart from size for the damper shell.

According to the scheme of above-mentioned (1), under in the closed section of damper shell and crossbeam with tending to from mounting portion The mode that Fang Eryu damper shell distance size becomes smaller forms crossbeam.Thus, with damper shell apart away from At the position to become smaller from size, it can be improved for the load applied along vehicle body front-rear direction (direction intersected with crossbeam) horizontal The intensity of beam.

On the other hand, it at the position become large-sized with damper shell distance, can be directed to towards damper Load that shell applies and improve the intensity of crossbeam.

Thus, it is possible to which mounting structure to be fixedly supported on to the mounting portion of crossbeam.Thereby, it is possible in damper shell It is provided with bearing driving source at the position of crossbeam.

(2) on the basis of the scheme of above-mentioned (1), it is also possible to the closed section from the damper shell and institute The frame attaching portion stated between toe lateral square bearer is formed towards the upper beam.

Here, toe lateral square bearer is the component of the frame member as vehicle body.Thus, toe lateral square bearer be intensity compared with High component.According to the scheme of above-mentioned (2), closed section can be formed from the higher toe lateral square bearer of intensity.As a result, in cross Liang Zhong can will apply along the load that vehicle body front-rear direction (direction intersected with crossbeam) applies, towards damper shell Anteriorly side frame transmits load.

Especially, by making closed section continuously arrive toe lateral square bearer, can reinforce closing using toe lateral square bearer It closes section (i.e., crossbeam).

Thereby, it is possible to for the load applied along vehicle body front-rear direction (direction intersected with crossbeam), towards damper Shell apply load and improve intensity.

(3) on the basis of the scheme of above-mentioned (1) or (2), it is also possible to the damper shell and is configured at than the cross Position of the beam on the outside of vehicle width direction, the lower end of the damper shell is installed on the toe lateral square bearer, the damping Device shell has the rib extended along up and down direction in the lower end.

According to the scheme of above-mentioned (3), the lower end of damper shell is installed on toe lateral square bearer, in damper shell Lower end is formed with the rib extended along up and down direction.Thus, it is possible to support the load of up and down direction using rib.By This, can for up and down direction load and the intensity of damper shell is improved using rib.

In addition, interval can be formed between crossbeam and rib by forming rib in the lower end of damper shell.By This can be such that electro-deposition applies when the inside to the closed section formed by crossbeam and damper shell carries out electrodeposition-coating Expect the inside for entering closed section well from the interval formed between crossbeam and rib.

(4) on the basis of above-mentioned (1) either a program into (3), it is also possible to the vehicle body front structure and has damping Device shell extension, the damper shell extension are set to the vehicle front of the damper shell, and are connected to described subtract Device shell is shaken, the crossbeam has the front flange stretched out towards vehicle front, and the front flange is connected to the damper shell With the housing coupling part between the damper shell extension.

Two structures can be made by the way that damper shell to be connect with damper shell extension according to the scheme of above-mentioned (4) The housing coupling part of part is the higher position of intensity.By the way that the front flange of crossbeam is connected to the higher housing coupling part of intensity, It can be using the housing coupling part of two components come bearing cross beam securely.

Thereby, it is possible to for the load applied along vehicle body front-rear direction (direction intersected with crossbeam), towards damper Load that shell applies and improve the intensity of crossbeam.

(5) in the scheme of above-mentioned (4), it is also possible to the crossbeam and has rear flange, the rear flange is towards vehicle body rear It stretches out, and is connected to the damper shell, a side of the crossbeam in the front flange and the rear flange, which has, to heave Portion.

According to the scheme of above-mentioned (5), the side in front flange and rear flange is formed with swells.Thus, it is possible in drum Rise ensures to be spaced between portion and damper shell.Alternatively, can ensure to be spaced between swells and interconnecting piece.As a result, right When the inside of the closed section formed by crossbeam and damper shell carries out electrodeposition-coating, can make electrocoating paint from really The interval of guarantor enters the inside of closed section well.

In addition, the side in front flange and rear flange is formed with swells.Thus, it is possible to make in front flange and rear flange Another party damper shell or interconnecting piece are connected to continuous state.

Thereby, it is possible to inhibit the flange in a side to form swells by being continuously connected the flange of another party to be drawn The strength reduction risen.

Invention effect

According to the solution of the present invention, in the closed section of damper shell and crossbeam from mounting portion trend below and with The mode that damper shell distance size becomes smaller forms crossbeam.Thereby, it is possible to be provided with cross in damper shell Driving source is supported at the position of beam.

Detailed description of the invention

Fig. 1 is the perspective view for indicating the vehicle body front structure in one embodiment of the present invention.

Fig. 2 is the perspective view shown in by the portion the II amplification of Fig. 1 in one embodiment of the present invention.

Fig. 3 is indicated with the perspective view of the state of the III-III line cutting of Fig. 4 in one embodiment of the present invention.

Fig. 4 is to indicate that slave Fig. 2 of the vehicle body front structure in one embodiment of the present invention eliminates the shape of mounting structure The perspective view of state.

Fig. 5 is to indicate that slave Fig. 4 of the vehicle body front structure in one embodiment of the present invention has decomposed the state of crossbeam Exploded perspective view.

Fig. 6 is indicated with the cross-sectional view of the state of the line VI -- VI cutting of Fig. 4 in one embodiment of the present invention.

Fig. 7 is indicated with the cross-sectional view of the state of the VII-VII line cutting of Fig. 4 in one embodiment of the present invention.

Fig. 8 is indicated with the side view of the state of the IIX-IIX line cutting of Fig. 4 in one embodiment of the present invention.

Fig. 9 is indicated with the cross-sectional view of the state of the IX-IX line cutting of Fig. 8 in one embodiment of the present invention.

Figure 10 is the side view shown in by the portion the X amplification of Fig. 8 in one embodiment of the present invention.

Figure 11 is the XI of Fig. 4 in one embodiment of the present invention to the side view shown depending under.

Figure 12 is illustrated in the vehicle body front structure of one embodiment of the present invention, using crossbeam to defeated from mounting structure The perspective view for the example that the load entered is supported.

Specific embodiment

It is illustrated based on the drawings one embodiment of the present invention.In the accompanying drawings, arrow FR refers to the front of vehicle, arrow UP Refer to the top of vehicle, arrow LH refers to the left side side of vehicle.

It should be noted that vehicle body front structure 12 is substantially symmetrical structure.Thus, to the component parts in left side Same reference numerals are marked with the component parts on right side, the structure in left side are illustrated and are omitted the explanation of the structure on right side.

As shown in Figure 1, vehicle body 10 has the vehicle body front structure 12 for the front for constituting vehicle body 10.Vehicle body front structure 12 has Standby toe lateral square bearer 14, front pillar 16, upper beam 17, front wall lower plate 18, front wall upper plate 19, subtracts spider 15 (also referring to Fig. 3) Shake device housing unit 20, stiffener 22, crossbeam 24 and mounting structure 26.

As shown in Figure 2 and Figure 3, toe lateral square bearer 14 is configured on the left of vehicle width direction, and is prolonged along vehicle body front-rear direction It stretches.Toe lateral square bearer 14 has inner wall 31, outer wall 32, top 33, lower part 34, upper flange 35 and lower flange 36.

Inner wall 31 configures to inside and vertical opposed with engine room 38 in the direction of vehicle width.Top 33 is from the upper end of inner wall 31 Portion is to horizontally bending on the outside of vehicle width direction.Lower part 34 is from the lower end of inner wall 31 to horizontally bending on the outside of vehicle width direction.From The outer end on top 33 is bent with extension 35a on first upwards.It is bent under first downwards from the outer end of lower part 34 Extension 36a.

Extension 35a is connected with extension 35b on the second of outer wall 32 on first.The extension 36a connection under first There is the second lower extension 36b of outer wall 32.Outer wall 32 is configured in the vertical opposed with outside vehicle 39.Toe lateral square bearer 14 passes through Inner wall 31, outer wall 32, top 33 and lower part 34 and the closed section for being formed as rectangular shape.

In addition, connect by extension 35a on first with extension 35b on second, thus be formed with along outer wall 32 to The upper flange 35 that top is stretched out.Similarly, it is connect by the first lower extension 36a with the second lower extension 36b, to be formed with The lower flange 36 stretched out downwards along outer wall 32.

The intensity (rigidity) of toe lateral square bearer 14 is ensured that high as a result,.

Fig. 1 is returned, is linked with the inner end 15a of spider 15 (to right side in the rear end 14b of toe lateral square bearer 14 The inner end 15a of spider 15 illustrated).Before spider 15 extends to lower-edge beam 41 towards vehicle width direction outside End 41a.The outer end 15b of spider 15 and the front end 41a of lower-edge beam 41 link.

Lower-edge beam 41 is set to the left outside side of vehicle width direction and extends along vehicle body front-rear direction.Lower-edge beam 41 is set to vehicle The vehicle width direction left-external side of room 37 and the lower part of car room 37.

The lower end 16a of front pillar 16 is linked in the front 41b of lower-edge beam 41 and the outer end 15b of spider 15.

Front pillar 16 erects upward from the front 41b of lower-edge beam 41 and the outer end 15b of spider 15.

Upper beam 17 is extended with towards vehicle front from the front upper part 16b of front pillar 16.Upper beam 17 is than toe lateral square bearer 14 Position on the outside of vehicle width direction is configured in a manner of extending along vehicle body front-rear direction.

Upper beam 17 has horizontal beam 43 and bent beam 44.Horizontal beam 43 is from the front upper part 16b of front pillar 16 towards vehicle front Substantially horizontally extend to central portion 17a.Bent beam 44 extends curved downward from central portion 17a to coupling member 46。

Coupling member 46 is installed on the front end 14a of toe lateral square bearer 14.

Thus, the bent beam 44 of upper beam 17 links via the front end 14a of coupling member 46 and toe lateral square bearer 14.

In the rear end 14b frame of the toe lateral square bearer 14 of the rear end 14b and right side of the toe lateral square bearer 14 in left side Equipped with front beam 48.

Front wall lower plate 18 and front wall upper plate 19 are provided in the front pillar 16 in left side and the front pillar 16 on right side.

The lower end 18a of front wall lower plate 18 is connect with front beam 48.Front wall lower plate 18 has car wheel cover rear portion in left part 52。

Car wheel cover rear portion 52 is the position to form the rear portion of car wheel cover 54, to be in the side of bending recess towards 37 side of car room Formula is formed.Car wheel cover 54 is by car wheel cover rear portion 52, damper housing unit 20, damper shell extension (car wheel cover front) 61 Deng formation.Car wheel cover 54 is by 39 side wall separated outside engine room 38 and vehicle.By car wheel cover 54 by front-wheel from engine room 38 Separate.

As shown in Figure 4, Figure 5, damper shell is installed between toe lateral square bearer 14 and the horizontal beam 43 of upper beam 17 Unit 20.Damper housing unit 20 has damper shell 56 and damper pedestal 58.Damper shell 56 is with to vehicle width side The mode of outside side opening is formed as overlooking as substantially U-shaped.

That is, damper shell 56 is configured between toe lateral square bearer 14 and upper beam 17.In addition, damper shell 56 configures In the position than crossbeam 24 on the outside of vehicle width direction.The lower end 56a of damper shell 56 is installed on toe lateral square bearer 14 Upper flange 35.Specifically, the lower end 56a for being installed on upper flange 35 is installed on front via the underbeam flange 87 of crossbeam 24 The upper flange 35 of side frame 14.

Damper shell 56 has rib 112 in lower end 56a.Rib 112 extends along up and down direction, and lower end 112a is open.

In addition, the vehicle front in damper shell 56 is provided with damper shell extension 61.Damper shell extends The trailing edge potion 61a in portion 61 is connected to the leading edge potion 56b of damper shell 56 on the outside of vehicle width direction.

By the connection between the leading edge potion 56b of damper shell 56 and the trailing edge potion 61a of damper shell extension 61, To be formed with housing coupling part 63 in leading edge potion 56b and trailing edge potion 61a.By using leading edge potion 56b and trailing edge potion 61a this two A component forms housing coupling part 63, so that housing coupling part 63 is formed as the higher position of intensity.

The trailing edge potion 56c of damper shell 56 and front wall upper plate 19, front wall lower plate 18 car wheel cover rear portion 52 (in Fig. 1 only The car wheel cover rear portion 52 on right side is shown) connection.The preceding outer edge 56d of damper shell 56 and the inner wall part 43a of horizontal beam 43 connect It connects.

The opening portion 65 of the substantially U-shaped of oriented vehicle width direction outer openings is formed in the upper end of damper shell 56. Damper pedestal 58 is connected in opening portion 65.The outer edge 58a of damper pedestal 58 and the inner wall part 43a of horizontal beam 43 connect It connects.

The upper end of damper is installed in damper pedestal 58, has wheel in shock absorber.

Stiffener 22 is connected on the inside of the vehicle width direction of damper shell 56.Stiffener 22 has reinforced sidewall 71, reinforce antetheca 72, reinforce rear wall 73, preceding flange connector 74, rear flange connector 75, upper flange connector 76 and lower flange connector 77 (referring to Fig. 2).

From damper shell 56 to vehicle width direction, inside configures reinforced sidewall 71 at spaced intervals.Before reinforced sidewall 71 Reinforce antetheca 72 while being extended with towards damper shell 56.In addition, being stretched from the back of reinforced sidewall 71 towards damper shell 56 Have out and reinforces rear wall 73.Thus, stiffener 22 is formed as cutting by reinforced sidewall 71, reinforcement antetheca 72 and reinforcement rear wall 73 Face U-shaped.

From the outer end of antetheca 72 is reinforced along the top 33 of damper shell 56 and toe lateral square bearer 14 towards before vehicle body Flange connector 74 before side is extended with.Preceding flange connector 74 is connected to the top 33 of damper shell 56 and toe lateral square bearer 14.

From the outer end of rear wall 73 is reinforced along the top 33 of damper shell 56 and toe lateral square bearer 14 towards after vehicle body Side is extended with rear flange connector 75.Flange connector 75 is connected to the top 33 of damper shell 56 and toe lateral square bearer 14 afterwards.

Upper flange connector 76 is extended with from the upper end of reinforced sidewall 71 along damper pedestal 58.Upper flange connector 76 connects In damper pedestal 58.

Lower 77 (reference figure of flange connector is extended with from the lower end of reinforced sidewall 71 along the inner wall 31 of toe lateral square bearer 14 2).Lower flange connector 77 is connected to the inner wall 31 of toe lateral square bearer 14.

Thus, stiffener 22 is connected to damper shell 56, damper pedestal 58 and toe lateral square bearer 14.As a result, Damper shell 56, toe lateral square bearer 14 are reinforced by stiffener 22.

The leading edge potion 56b of damper shell 56 is connect with the trailing edge potion 61a of damper shell extension 61.Before connecting Edge 56b and trailing edge potion 61a are formed with housing coupling part 63.Crossbeam 24 is connected to housing coupling part 63 on the inside of vehicle width direction.

As shown in Figure 5, Figure 6, crossbeam 24 has beam side wall 81, Liang Qianbi 82, Liang Houbi 83, front-axle beam flange (front flange) 84, back rest flange (rear flange) 85, upper beam flange 86 and underbeam flange 87.

From damper shell 56 to vehicle width direction, inside configures beam side wall 81 at spaced intervals.From the front court of beam side wall 81 Beam antetheca 82 is extended with to the leading edge potion 56b of damper shell 56.In addition, from the back of beam side wall 81 towards damper shell 56 It is extended with beam rear wall 83.Thus, crossbeam 24 is formed as section U-shaped by beam side wall 81, Liang Qianbi 82 and beam rear wall 83.

From the outer end of beam antetheca 82 along the leading edge potion 56b (i.e. housing coupling part 63) of damper shell 56 and towards vehicle body Front is extended with front-axle beam flange 84.Front-axle beam flange 84 is connected to the leading edge potion 56b of damper shell 56 (i.e. on the inside of vehicle width direction Housing coupling part 63).

Specifically, being vertically alternatively formed multiple first along front-axle beam flange 84 in front-axle beam flange 84 Interconnecting piece 88 and multiple first swells (swells) 89.Multiple first connecting portions 88 are for example connected to shell by spot welding and connect Socket part 63.

On the other hand, leading edge potion 56b (i.e. housing coupling part of multiple first swells 89 relative to damper shell 56 63) configuration of 107 ground of the first interval is separated.

Back rest flange 85 is extended with towards vehicle body rear from the outer end of beam rear wall 83 along damper shell 56.Back rest flange 85 are connected to damper shell 56.

It is convex that along the inner wall part 43a of upper beam 17 (specifically, horizontal beam 43) upper beam is extended with from the upper end of beam side wall 81 Edge 86.Upper beam flange 86 is connected to the inner wall part 43a of upper beam 17.

As shown in Figure 5, Figure 7, underbeam flange 87 is from the lower end of beam side wall 81, front-axle beam flange 84 and back rest flange 85 under Side is stretched out.In underbeam flange 87, multiple second connecting portions have been alternatively formed to vehicle body front-rear direction along underbeam flange 87 111 and multiple second swells 113.Multiple second connecting portions 111 are for example connected under damper shell 56 by spot welding End 56a.

On the other hand, multiple second swells 113 are for example connected to the upper flange of toe lateral square bearer 14 by spot welding 35 outer surface.

As shown in Figure 8, Figure 9, from the lower end of the lower end of beam side wall 81, the lower end of front-axle beam flange 84 and back rest flange 85 ( Referring to Fig. 5) it is extended with underbeam flange 87 downward.Underbeam flange 87 along the upper flange 35 of toe lateral square bearer 14 appearance It is stretched out facing towards lower section.The lower end 56a of damper shell 56 outside vehicle 39 side contacts in the second connecting portion of underbeam flange 87 111 (referring to Fig. 7).

In this state, multiple second swells 113 39 sides outside vehicle are connected to the upper flange 35 of toe lateral square bearer 14 Outer surface.In addition, 39 sides outside vehicle the lower end 56a of damper shell 56 are connected to multiple second connecting portions 111.

That is, 39 sides outside vehicle the lower end 56a of underbeam flange 87 and damper shell 56 are connected to toe lateral square bearer 14 Upper flange 35.Hereinafter, by the upper flange of underbeam flange 87, the lower end 56a of damper shell 56 and toe lateral square bearer 14 The position of 35 connections is referred to as frame attaching portion 115.

Return Fig. 4, Fig. 6, crossbeam 24 be connected to damper shell 56, housing coupling part 63, upper beam 17 inner wall part 43a and The upper flange 35 of toe lateral square bearer 14.In this state, 24 frame of the crossbeam toe lateral square bearer 14 and upper beam different in height Extend in the up-down direction on 17 (horizontal beams 43), and extends in the vehicle width direction along the shape of damper shell 56.Separately Outside, closed section is formed by crossbeam 24 (specifically, beam side wall 81, Liang Qianbi 82 and beam rear wall 83) and damper shell 56.

As shown in figure 7 and figure 10, the second swells 113 separates the second interval relative to the lower end 56a of damper shell 56 The configuration of 114 ground.Thus, by the lower end 56a of damper shell 56 and the second swells 113 of crossbeam 24 also in frame attaching portion 115 are formed as closed section.The closed section formed as a result, by crossbeam 24 and damper shell 56 from frame attaching portion 115 to The inner wall part 43a of upper beam 17 and be formed continuously.

That is, improving the intensity (rigidity) of crossbeam 24.Damper shell 56 and damper shell extension 61 are horizontal as a result, Beam 24 is reinforced.

About the shape of the closed section formed by crossbeam 24 and damper shell 56, it is described in detail later.

As shown in Figure 2, Figure 4 shows, crossbeam 24 has the first mounting portion (mounting portion) 92.Toe lateral square bearer 14 is in crossbeam 24 Vehicle front side has the second mounting portion 93, has third mounting portion 94 in the vehicle body rear side of crossbeam 24.

Mounting structure 26 is installed on the first mounting portion 92, the second mounting portion 93 and third by bolt 96 and nut and installs Portion 94.Mounting structure 26 is the component supported to driving source 98.That is, driving source 98 is supported on assembly structure by bolt 99 Part 26.The driving source 98 for being supported on mounting structure 26 is configured at engine room 38.

As driving source 98, can enumerate engine and the integrated power unit of transmission device, motor.

By like this by mounting structure 26 support driving source 98, the load from driving source 98 via mounting structure 26 to The crossbeam 24 (specifically, first mounting portion 92) of damper shell 56 inputs.Specifically, the first installation for crossbeam 24 Portion 92, from vehicle body front-rear direction input load F1, F2, the direction orthogonal from face (the beam side wall 81) with the first mounting portion 92 is inputted Load F3.

Therefore, it in order to support driving source 98 at crossbeam 24, needs to be directed to from vehicle body front-rear direction and the first mounting portion 92 The orthogonal direction of beam side wall 81 both direction input load F1~F3 and ensure intensity.

As shown in Figure 3, Figure 4, the beam side wall 81 of crossbeam 24 is formed as and 56 phase of damper shell at the first mounting portion 92 Away from become larger apart from size L1.In addition, beam side wall 81 be formed as with from the first mounting portion 92 tend to lower section and with damper shell 56 distance size L2 of body becomes smaller.

Specifically, damper shell 56 has damper rake 102 and damper vertical portion 103.Damper inclination Portion 102 tends to vehicle width from the horizontal beam 43 (inner wall part 43a) of upper beam 17 to the top of the upper flange 35 of toe lateral square bearer 14 Direction is medially formed as the skewed of descending grade.Damper vertical portion 103 is formed as the inner end from damper rake 102 Portion 102a slightly tends to vehicle width direction medially relative to substantially vertical to the top of the upper flange 35 of toe lateral square bearer 14 In the inclined state of descending grade.

The beam side wall 81 of crossbeam 24 has beam rake 105 and beam vertical portion 106.Beam rake 105 is relative to damper Rake 102 configures to size L1 separated by a distance.Beam rake 105 is along damper rake 102 from the horizontal beam of upper beam 17 43 to the first mounting portion 92 and tend to vehicle width direction and be medially formed as the skewed of descending grade.First mounting portion 92 is formed in The lower part of beam rake 105, and it is configured at the top of the upper flange 35 of toe lateral square bearer 14.

Beam vertical portion 106 configures to size L2 separated by a distance relative to damper vertical portion 103.Along damper vertical portion 103 upper flange 35 from the first mounting portion 92 to toe lateral square bearer 14 and be shaped generally as vertical.

Here, damper vertical portion 103 be formed as the upper flange 35 from the first mounting portion 92 to toe lateral square bearer 14 and Slightly tend on the outside of vehicle width direction be in the inclined state of descending grade relative to substantially vertical.Thus, beam vertical portion 106 is formed To become smaller with lower section is tended to from the first mounting portion 92 with 56 distance size L2 of damper shell.

As a result, in the beam vertical portion 106 to become smaller with 56 distance size L2 of damper shell, for along vehicle body Load F1, F2 (referring to Fig. 2) of front-rear direction input improves the intensity of crossbeam 24.

On the other hand, beam rake 105 be formed as especially at the first mounting portion 92 with damper shell 56 apart away from Become larger from size L1.By beam rake 105, size L1 becomes larger at a distance from the first mounting portion 92, can be for along with first The load F3 for the direction input that the face (beam side wall 81) of mounting portion 92 intersects improves the intensity of crossbeam 24.

Thus, it is possible to which mounting structure 26 (referring to Fig. 2) to be supported on to the first mounting portion 92 of crossbeam 24 securely.As a result, Driving source 98 can be supported well via mounting structure 26 at the position for being provided with crossbeam 24 in damper shell 56.

In addition, foring closed section by crossbeam 24 and damper shell 56 (referring to Fig. 6).By crossbeam 24 and damper shell The closed section that body 56 is formed forms the inner wall part to upper beam 17 (horizontal beam 43) from the upper flange 35 of front side frame 14 43a。

Here, toe lateral square bearer 14 and upper beam 17 are the component of the closed section of the frame member as vehicle body 10.Cause And toe lateral square bearer 14 is the high component of intensity (rigidity).In addition, upper beam 17 is again formed as the closed section of rectangular shape, It is the high component of intensity (rigidity).

Crossbeam 24 is linked to toe lateral square bearer 14 and upper beam 17.Thus, it is possible to crossbeam will be inputted from vehicle body front-rear direction The load F3 that 24 load F1, F2 (referring to Fig. 2), the direction intersected from the face with the first mounting portion 92 input anteriorly side frame Frame 14, upper beam 17 transmit.

Especially, the closed section formed by crossbeam 24 and damper shell 56 is continuously to toe lateral square bearer 14.Thus, Closed section (i.e. crossbeam 24) is strengthened by toe lateral square bearer 14.

As a result, for from vehicle body front-rear direction input crossbeam 24 load F1, F2, from the face (beam with the first mounting portion 92 Side wall 81) intersect direction input load F3, improve the intensity of crossbeam 24.

As shown in Fig. 2, Fig. 5, front-axle beam flange 84 is connected to the leading edge potion 56b of damper shell 56 on the inside of vehicle width direction (i.e. housing coupling part 63).Housing coupling part 63 passes through the leading edge potion 56b and damper shell extension 61 of damper shell 56 Trailing edge potion 61a and be formed as the higher position of intensity.

Be connected to the higher housing coupling part 63 of intensity by front-axle beam flange 84, crossbeam 24 by housing coupling part 63 securely Bearing.As a result, for from vehicle body front-rear direction input crossbeam 24 load F1, F2, intersect from the face with the first mounting portion 92 The load F3 of direction input and improve the intensity of crossbeam 24.

As shown in Figure 6, Figure 7, leading edge potion 56b of multiple first swells 89 of crossbeam 24 relative to damper shell 56 (housing coupling part 63) is configured at the leading edge potion 56b (housing coupling part 63) of damper shell 56 at spaced intervals.That is, first Ensure there is the first interval 107 between swells 89 and housing coupling part 63.

Subtract in addition, multiple second swells 113 are configured at spaced intervals relative to the lower end 56a of damper shell 56 Shake the lower end of device shell 56.

Electrodeposition-coating is carried out in the inside 108 to the closed section formed by crossbeam 24 and damper shell 56 as a result, When, electrocoating paint can be made to enter in closed section well from first the 107, second swells 113 of interval ensured Portion 108.

As shown in figure 4, being only formed in front-axle beam flange 84 multiple in the front-axle beam flange 84 and back rest flange 85 of crossbeam 24 First swells 89.Thus, the back rest flange 85 of crossbeam 24 is connected to damper shell 56 with continuous state.Thereby, it is possible to By back rest flange 85 carried out to damper shell 56 it is continuous connection come inhibit front-axle beam flange 84 formed it is multiple first drum Play strength reduction caused by portion 89.

In addition, front-axle beam flange 84 is connected to the higher housing coupling part 63 of intensity (also referring to Fig. 5).Even if as a result, preceding Beam flange 84 is formed with multiple first swells 89, and front-axle beam flange 84 is also firmly connected to housing coupling part 63.

As shown in Figure 10, Figure 11, the lower end 56a of damper shell 56 is installed on via the underbeam flange 87 of crossbeam 24 The upper flange 35 of toe lateral square bearer 14.Damper shell 56 has rib 112 in lower end 56a.Rib 112 is along upper and lower The mode that direction extends is formed, and lower end 112a is open.

In this way, being formed with the rib 112 extended along up and down direction in the lower end 56a of damper shell 56.Rib 112 It is heaved on the outside of towards vehicle width direction.Thus, it is possible to support the load F4 of up and down direction by rib 112.Thereby, it is possible to for up and down The load F4 in direction and utilize rib 112 to improve the intensity of damper shell 56.

The lower end 56a of damper shell 56 is formed with multiple first recess portions 116 being recessed upwards.First recess portion 116 Top 116a be configured at the position more against the top than the upper flange 35 of toe lateral square bearer 14.Thus, the of vehicle body rear side The first space 118 is formed between one recess portion 116 and the upper end of upper flange 35.113 (ginseng of first space 118 and the second swells According to Fig. 7) connection.

In addition, the trailing edge potion 61a of damper shell extension 61 is formed with the second recess portion 121 in lower end.Second recess portion 121 are formed as being recessed upwards.The top 121a of second recess portion 121 is configured to identical with the top 116a of the first recess portion 116 Highly.Second space 124 is formed between the second recess portion 121 and the upper end of the upper flange 35 of toe lateral square bearer 14.Second Space 124 is connected to the second swells 113 (referring to Fig. 7).

Here, the first recess portion 116 and the second recess portion 121 are formed in the comparable position of the second swells 113 with crossbeam 24. Second interval 114 is formd by the first recess portion 116 and the second swells 113.Similarly, it is heaved by the second recess portion 121 and second Portion 113 forms the second interval 114.Thus, the inside 108 of the closed section formed by crossbeam 24 and damper shell 56 via Second is spaced 114 and is connected to outside.

Moreover, the second interval 114 of vehicle front side is connected to second space 124.In addition, between the second of vehicle body rear side It is connected to every 114 with the first space 118.

In addition, the rib 112 of the lower end 56a of damper shell 56 is formed in and the comparable position of the first recess portion 116. I.e., rib 112 is formed in the comparable position of the second swells 113 with crossbeam 24.In addition, rib 112 is formed as along upper and lower Direction extends, and lower end is opened to 113 side of the second swells.Moreover, rib 112 is heaved towards vehicle width direction outside.Thus, The inside 108 of the closed section formed by crossbeam 24 and damper shell 56 is connected to via rib 112 with outside well.

Electrodeposition-coating is carried out in the inside 108 to the closed section formed by crossbeam 24 and damper shell 56 as a result, When, electrocoating paint can be made to enter the inside 108 of closed section well from the first space 118, second space 124.

Then, illustrate to be input to the of crossbeam 24 via mounting structure 26 in the load from driving source 98 based on Figure 12 When one mounting portion 92, the example of inputted load is supported using crossbeam 24.

As shown in figure 12, closed section is formd by crossbeam 24 and damper shell 56.Mounting structure 26 by bolt 96, Nut and the first mounting portion 92 for being installed on crossbeam 24.Driving source 98 is supported in mounting structure 26.

Thus, the load from driving source 98 via mounting structure 26, bolt 96, nut and input damper shell 56 Crossbeam 24.Specifically, load F1, F2 input first is installed from vehicle body front-rear direction (direction arrow A) relative to crossbeam 24 Portion 92.Moreover, from the orthogonal direction input load F3 of face (the beam side wall 81) with the first mounting portion 92.

Beam vertical portion 106 be formed as with from the first mounting portion 92 tend to lower section and with 56 distance of damper shell Size L2 (referring to Fig. 3) becomes smaller.Thus, at the beam vertical portion 106 to become smaller with 56 distance size L2 of damper shell, The intensity of crossbeam 24 is improved relative to load F1, F2.

On the other hand, beam rake 105 especially at the first mounting portion 92 with 56 distance size of damper shell L1 (referring to Fig. 3) becomes larger.By beam rake 105, size L1 becomes larger at a distance from the first mounting portion 92, can for along with The load F3 for the direction input that the face of first mounting portion 92 intersects improves the intensity of crossbeam 24.

Thus, it is possible to which mounting structure 26 to be fixedly supported on to the first mounting portion 92 of crossbeam 24.

Thereby, it is possible to support driving source 98 well at the position for being provided with crossbeam 24 in damper shell 56.

Moreover, crossbeam 24 is linked to toe lateral square bearer 14 and upper beam 17.Thus, it is possible to will be inputted from vehicle body front-rear direction Load F1, F2 of crossbeam 24, the direction intersected from the face with the first mounting portion 92 input load F3 anteriorly side frame 14, Upper beam 17 transmits.

Pacify as a result, for load F1, F2 of the first mounting portion 92 from vehicle body front-rear direction input crossbeam 24, from first The load F3 for the direction input that the face (beam side wall 81) in dress portion 92 intersects, improves the intensity of crossbeam 24.

In addition, front-axle beam flange 84 is connected to leading edge potion 56b (the i.e. shell connection of damper shell 56 on the inside of vehicle width direction Portion 63).Housing coupling part 63 passes through the leading edge potion 56b of damper shell 56 and the trailing edge potion 61a of damper shell extension 61 (referring to Fig. 5) and be formed as the higher position of intensity.

Thus, crossbeam 24 is supported securely by housing coupling part 63.Pacify as a result, for from vehicle body front-rear direction input first The load F1, F2 in dress portion 92, the direction intersected from the face (beam side wall 81) with the first mounting portion 92 input load F3 and improve The intensity of crossbeam 24.

It should be noted that technical scope of the invention is not limited to above-mentioned embodiment, the present invention is not being departed from Purport in the range of can apply various changes.

For example, in said embodiment, illustrate to be formed with the example of multiple first swells 89 in front-axle beam flange 84, But not limited thereto.As other examples, multiple first swells 89 can also be formed in back rest flange 85.In this case, Ensure to be spaced between the first swells 89 and damper shell 56.

Description of symbols:

10 ... vehicle bodies

12 ... vehicle body front structures

14 ... toe lateral square bearers

17 ... upper beams

20 ... damper housing units

24 ... crossbeams

26 ... mounting structures

56 ... damper shells

The lower end of 56a ... damper shell

The leading edge potion of 56b ... damper shell

61 ... damper shell extensions

The trailing edge potion of 61a ... damper shell extension

63 ... housing coupling parts

84 ... front-axle beam flanges (front flange)

85 ... back rest flanges (rear flange)

The underbeam flange of 87 ... crossbeams

89 ... first swells (swells)

92 ... first mounting portions (mounting portion)

98 ... driving sources

112 ... ribs

115 ... frame attaching portions

L1 ... is apart from size.