JP2007168620A - Front structure of automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide front structure of an automobile which can enhance support rigidity of a mud guard and an under cover, prevent a tire deflector and an under cover from hanging down and vibrating during traveling, and surely improve aerodynamic performance. <P>SOLUTION: The tire deflector 9 has a mounting part 20 fastened to the side part of a bumper face 7 and a body part 25 extending from the mounting part 20 to downward of the front end side of a tire house 5. The tire deflector 9 is formed with an extension part 30 extending from the mounting part 20 to the inside of the vehicle width direction, and the rear part of the under cover 11 and the front part lower end part of the mud guard 8 are connectingly supported by the extension part 30. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a front structure of an automobile, and in particular, a tire deflector disposed on the front side of a front lower end of a tire house is connected to and supported by a front lower end of a mudguard and a rear end of an undercover. Concerning structure.

  Conventionally, in a front structure of an automobile, a synthetic resin mudguard is attached to a vehicle body member such as a tire house, and the outer periphery of the front wheel in the tire house is covered by the mudguard, and the aerodynamic performance is improved. A structure in which an under cover made of a synthetic resin is provided at the lower part on the front side of the tire house and the outer edge including the front end part of the under cover is attached to the lower end part of the bumper face is known.

  In the front structure of the automobile of Patent Document 1, a vertical flange is integrally formed at the lower end of the front part of the mudguard (fender protector), and the vertical part bent downward from the horizontal plate-like general part at the rear end part of the under cover. These flanges are integrally formed, and are fastened and connected in the vehicle front-rear direction with these two flanges in contact with each other.

  On the other hand, in the front structure of an automobile, a structure is known in which a tire deflector is disposed on the front side of the front lower end of the tire house and is hung on the front side of the front wheel to reduce the air resistance of the front wheel. In the front structure of an automobile disclosed in Patent Document 1, a tire deflector is constituted by both flanges integrally formed with a mudguard and an under cover.

JP-A-10-305784

  In the front structure of the automobile of Patent Document 1, the lower end of the front part of the mud guard made of synthetic resin and the rear end part of the under cover made of synthetic resin are directly connected, and other parts such as a bumper face are connected. Therefore, when only the outer edge including the front end of the under cover is attached to the bumper face, or when only the upper part of the mud guard is connected to a vehicle body member such as a tire house, The connection part and inner edge part of the slab may not be able to obtain the required support rigidity, and may vibrate or vibrate during travel, reducing the aerodynamic performance by the undercover and the ability to protect the engine and accessories. There is.

  In addition, in the front structure of an automobile disclosed in Patent Document 1, a tire deflector is configured by both flanges integrally formed with a mudguard and an undercover. However, due to the above-described problem, the tire deflector also hangs down or vibrates during traveling. Thus, the function of reducing the air resistance of the front wheels by the tire deflector may be reduced. Moreover, since the tire deflector is integrally formed with a hard synthetic resin mudguard and under cover, there is a high possibility of damage due to contact. When replacing a damaged tire deflector, the mud guard and under cover should be replaced. It is necessary and the work load for the replacement is large and the cost is high.

  An object of the present invention is to provide a tire deflector by fastening it to a bumper face, and connect and support the mudguard and the undercover to the tire deflector to increase the support rigidity of the mudguard and the undercover. In order to prevent vibration during driving, to ensure that the functions of the tire deflector and under cover are demonstrated, to improve the assembly of the tire deflector and under cover, and to replace a damaged tire deflector, An object of the present invention is to provide a front structure of an automobile that can reduce the workload and cost for the replacement.

  The front structure of an automobile according to claim 1 is made of a synthetic resin in which an upper part is attached to a vehicle body member for forming a tire house so as to cover a bumper face, a tire house, and an outer periphery of a front wheel in the tire house. In a front structure of an automobile provided with a mud guard, a tire deflector having a mounting portion fastened to a side portion of the bumper face, and a main body portion extending downward from the mounting portion on the front end side of the tire house, A synthetic resin under cover provided at a lower portion of the front side of the tire house and having an outer end edge including a front end portion attached to a lower end portion of a bumper face, and the tire deflector from the mounting portion to the inside in the vehicle width direction An extending portion is formed, and a rear end portion of the undercover and a front lower end portion of the mud guard are connected to and supported by the extending portion.

  In this front structure of an automobile, an upper portion of a synthetic resin mudguard is attached to a vehicle body member for forming a tire house, and the outer periphery of the front wheel in the tire house is covered by the mudguard. The tire deflector has a mounting portion and a main body portion, and the mounting portion is fastened to a side portion of the bumper face, and the main body portion extends downward from the mounting portion to the front end side of the tire house, and the air resistance of the front wheel is reduced by the main body portion. Is reduced. About a tire deflector, you may comprise with an elastic member.

  A synthetic resin under cover is provided at the front lower part of the tire house, and the outer edge including the front end of the under cover is attached to the lower end of the bumper face. This under cover rectifies the air flow on the underside of the vehicle. In addition, the engine and accessories are protected. The tire deflector is configured separately from the mudguard and the under cover, and an extension portion extending inward in the vehicle width direction from the mounting portion is formed on the tire deflector. The extension portion has a rear end portion of the under cover and a front portion of the mud guard. The lower end of the part is connected and supported.

  Therefore, the support rigidity of the mud guard and the under cover is increased, the suspension of the tire deflector and the under cover and vibration during running are prevented, the function by the tire deflector and the under cover is surely exhibited, and the mud guard, the tire deflector, If the undercover is damaged, these replacements can be performed individually, reducing the workload and cost for the replacement.

The following configuration can be adopted in the invention of claim 1.
The extension portion of the tire deflector includes a vertical wall-shaped mudguard fastening portion in which the front lower end portion of the mudguard is fastened from the vehicle front-rear direction, and a horizontal wall-like undercover in which the rear end portion of the undercover is fastened from the vertical direction. And a fastening portion (claim 2). The extension portion of the tire deflector is configured such that the under cover fastening portion projects forward from the lower end portion of the mud guard fastening portion, and connects the front surface of the mud guard fastening portion and the upper surface of the under cover fastening portion. It has a plurality of reinforcing ribs arranged at intervals in the width direction.

  A longitudinal slit through which the vicinity of the inner end in the vehicle width direction of the mounting portion of the tire deflector passes is formed at the lower end of the front portion of the mud guard so that the lower end of the mud guard is open. The mounting portion is disposed on the rear side, and the extending portion is disposed on the front side. A lateral wall portion continuously extending from the under cover fastening portion to the vehicle width direction outer side is integrally formed at a boundary portion between the mounting portion of the tire deflector and the main body portion, and a lower surface of the lateral wall portion and a front surface of the main body portion are formed. A plurality of second reinforcing ribs arranged at intervals in the vehicle width direction so as to be connected are formed, and a rear end portion of the undercover is supported by the lateral wall portion.

  According to the front structure of the automobile of claim 1, in particular, the tire deflector includes an attachment portion fastened to a side portion of the bumper face, and a main body portion extending downward from the attachment portion on the front end side of the tire house. The tire deflector is formed with an extending portion extending inward in the vehicle width direction from the mounting portion, and the rear end portion of the undercover and the front lower end portion of the mud guard are connected to and supported by the extending portion. By supporting the under cover with the bumper face via the tire deflector, without providing a separate bracket, the support rigidity of the mud guard and under cover is increased, and the tire deflector and the under cover are prevented from drooping and vibration during running, The functions of the tire deflector and the under cover can be reliably exhibited, and the aerodynamic performance can be reliably improved. In addition, the assembly of the tire deflector and undercover is improved, and if the mudguard, tire deflector and undercover are damaged, they can be replaced individually, and the workload and cost for the replacement Can be reduced.

  According to the front structure of the automobile of claim 2, the extension portion of the tire deflector includes a vertical guard-shaped mudguard fastening portion in which a front lower end portion of the mudguard is fastened from the vehicle front-rear direction, and a rear end portion of the under cover. Since it has a horizontal wall-shaped undercover fastening part that is fastened from above and below, the mudguard and undercover can be easily and securely connected to the tire deflector without complicating the shape of the mudguard and undercover. Assembling performance of tire deflector and mud guard is improved.

  According to the automobile front structure of claim 3, the extension portion of the tire deflector is configured such that the under cover fastening portion projects forward from the lower end portion of the mud guard fastening portion, and the front surface of the mud guard fastening portion; Since it has a plurality of reinforcing ribs arranged at intervals in the vehicle width direction so as to connect the upper surface of the under cover fastening portion, the mud guard and the under cover are extended to the vicinity of the inner end portion in the vehicle width direction. The support rigidity of the mudguard and undercover can be reliably increased by attaching to the protruding part.

  According to the front structure of the automobile of claim 4, a vertical slit through which the vicinity of the inner end in the vehicle width direction of the mounting portion of the tire deflector passes is formed at the lower end of the front portion of the mud guard so as to release the lower end. Since the mounting portion of the tire deflector is arranged on the rear side and the extending portion is arranged on the front side with respect to the front lower end portion of the tire, the mounting portion and the extending portion of the tire deflector are arranged more than the front lower end portion of the tire deflector. It can be provided so as not to project downward, and space can be saved, and the rear end portion of the undercover and the front lower end portion of the mud guard can be reliably connected to the extended portion.

  According to the front structure of the automobile of claim 5, the lateral wall portion that continuously extends from the under cover fastening portion to the outside in the vehicle width direction is integrally formed at the boundary portion between the attachment portion of the tire deflector and the main body portion, A plurality of second reinforcing ribs arranged at intervals in the vehicle width direction so as to connect the lower surface of the lateral wall portion and the front surface of the main body portion are formed, and the rear end portion of the under cover is supported on the lateral wall portion. Therefore, it is possible to further increase the support rigidity of the undercover while significantly increasing the strength of the attachment portion and the main body portion.

  The front structure of the automobile of the present invention is a mud guard made of a synthetic resin with an upper part attached to a vehicle body member for forming a tire house so as to cover the outer periphery of the front wheel in the tire house. A tire deflector having a mounting portion to be fastened and a main body portion extending downward from the mounting portion to the front end side of the tire house, and an outer edge including a front end portion at a lower end portion of the bumper face provided at a lower portion of the front side of the tire house The tire deflector has an attached synthetic resin under cover, and an extension portion extending inward in the vehicle width direction from the attachment portion is formed on the tire deflector. The extension portion includes a rear end portion of the under cover and a front lower end portion of the mud guard. Is supported.

  As shown in FIGS. 1 to 4 and 11, the front structure 1 of the automobile includes a fender panel 2, an apron panel 3, an apron reinforcement 4, a tire house 5, a tire house inner panel 6, a bumper face 7, and a mudguard. 8, a tire deflector 9, an under panel 10, an under cover 11 and the like. The members 2 to 6, 8, 9, and 11 other than the bumper face 7 and the under panel 10 are provided as a pair on the left and right sides, but are symmetrical with each other, so one (right side) will be described.

  As shown in FIG. 11, an apron panel 3 is disposed below the inner end of the fender panel 2 in the vehicle width direction, and an apron reinforcement 4 having a U-shaped cross section is disposed on the outer side of the apron panel 3 in the vehicle width direction. The apron reinforcement 4 is connected to the upper and lower ends of the apron panel 3 at the upper and lower ends of the apron reinforcement 4 to form a closed cross section. The apron panel 3 has a tire house inner panel at the lower end. The tire house 5 is formed by the tire house inner panel 6 and the mudguard 8.

  As shown in FIGS. 1 to 4, the bumper face 7 includes a front face portion 7 a that covers the front of the vehicle, and a pair of left and right side surfaces that cover the sides from the left and right ends of the front face portion 7 a to the pair of left and right tire houses 5. A skirt portion 7c extending downward is formed at the lower end of the front face portion 7a and the pair of side face face portions 7b.

  As shown in FIGS. 1 to 4 and 11, the mud guard 8 is made of synthetic resin, is formed in an arc shape in a side view, and has a width corresponding to the width of the front wheel. The plurality of predetermined parts including the tire house 5 are fastened and attached to the apron reinforcement 4 which is a vehicle body member for forming the tire house 5 and the tire house inner panel 6 by the plurality of fastening members 8a. A peripheral wall is formed, and the outer periphery of the front wheel in the tire house 5 is covered by the mud guard 8.

  A notch 8b through which a suspension tower (not shown) passes is formed near the top of the mudguard 8, and the outer end in the vehicle width direction of the mudguard 8 is inside the arcuate end of the fender panel 2 on the tire house 5 side. And it is engaged from the upper side. The engaging portion is fixed by some fixing means as required.

  As shown in FIGS. 6 to 8, the tire deflector 9 is made of an elastic member made of synthetic resin or rubber, and is attached to a side face portion 7 b of a side portion of the bumper face 7, and this attachment portion. 20 has a main body portion 25 extending downward from the front end side of the tire house 5 and an extending portion 30 extending inward in the vehicle width direction from the mounting portion 20, and the mounting portion 20, the main body portion 25, and the extending portion 30 are integrated. Is formed.

  The tire deflector 9 has the same width in the vehicle width direction as the width in the vehicle width direction of the front lower end of the mudguard 8, and the mounting portion 20 and the main body 25 are provided in the outer half of the vehicle width direction. The extension part 30 is provided without the inner half in the direction.

  The attachment portion 20 is formed in a strip shape elongated in the vehicle width direction, and the main body portion 25 extends downward from the entire attachment portion 20 and is located below the front end side of the tire house 5, and the attachment portion 20 and the main body portion 25. The outer portion in the vehicle width direction is generally curved upward. A fastening hole 20 a is formed in the vehicle width direction outer side end portion of the attachment portion 20, and a fastening hole 21 a is formed in the bracket portion 21 that bulges to the front side of the main body portion 25 at the vehicle width direction center portion of the attachment portion 20.

  The extending portion 30 includes a vertical wall-shaped mudguard fastening portion 31 in which the front lower end portion of the mudguard 8 is fastened from the vehicle front-rear direction, and the rear end of the undercover 11 protruding forward from the lower end portion of the mudguard fastening portion 31. A plurality of (disposed at intervals in the vehicle width direction) connecting the underwall fastening portion 32 having a lateral wall shape, which is fastened in the vertical direction, and the front surface of the mudguard fastening portion 31 and the upper surface of the undercover fastening portion 32. For example, the mudguard fastening portion 31, the undercover fastening portion 32, and the plurality of reinforcing ribs 33 are integrally formed.

  The extending portion 30 is formed by a mud guard fastening portion 31 and an under cover fastening portion 32 in an L-shaped cross section. These fastening portions 31 and 32 are reinforced by a plurality of reinforcing ribs 33, and the mud guard fastening portion 31 and the under cover fastening portion 32 are formed. A plurality of (for example, two) fastening holes 31a and 32a are formed at positions shifted from the plurality of reinforcing ribs 33 in the vehicle width direction.

  A lateral wall portion 35 that continuously extends from the under cover fastening portion 32 to the outside in the vehicle width direction is integrally formed at a boundary portion between the attachment portion 20 and the main body portion 25 so as to project forward. The lateral wall portion 35 is provided in an inner half portion of the mounting portion 20 in the vehicle width direction, and is disposed at a distance in the vehicle width direction so as to connect the lower surface of the lateral wall portion 35 and the front surface of the main body portion 25. A plurality of (for example, three) reinforcing ribs 36 are integrally formed. The bracket portion 21 is formed near the outer side of the lateral wall portion 35 in the vehicle width direction.

  As shown in FIGS. 3 to 5, a vertical slit 8 c is formed at the front lower end portion of the mud guard 8 slightly inside the vehicle width direction central portion, of the front lower end portion of the mud guard 8. The inner portion of the slit 8c in the vehicle width direction is located slightly rearward of the outer portion in the vehicle width direction, and the vicinity of the inner end in the vehicle width direction of the mounting portion 20 of the tire deflector 9 passes through the slit 8c. The mounting portion 20 is disposed on the rear side with respect to the lower end portion, the extending portion 30 is disposed on the front side, and the lateral wall portion 35 projects forward from the lower side of the front lower end portion of the mudguard 8.

  As shown in FIG. 1, the under panel 10 is made of a synthetic resin, and is disposed at the lower part on the rear side of the front face portion 7a of the bumper face 7, and is formed in a horizontal plate shape elongated in the vehicle width direction. Are fastened to the lower end portion of the front face portion 7a by a plurality of fastening members 10a, and a pair of left and right under covers 11 are provided on both left and right sides of the under panel 10.

  As shown in FIGS. 1 to 5, the under cover 11 is made of a synthetic resin and is provided at a lower portion on the front side of the tire house 5, and an outer edge including the front end portion of the under cover 11 is a front face of the bumper face 7. It is formed in a shape along the vehicle width direction side end portion of the portion 7a and the side face face portion 7b, and is fastened and attached to the lower end portion of the corresponding bumper face 7 by a plurality of fastening members 11a. It is connected by a fastening member 11b.

  Here, a related connection structure of the bumper face 7, the mud guard 8, the tire deflector 9, and the under cover 11 will be described in detail.

  As shown in FIGS. 6 and 12 and FIG. 13, the bumper face 7 and the tire deflector 9 are connected to a portion slightly above the skirt portion 7c at the rear end portion of the side face portion 7b of the bumper face 7. A connecting plate portion 7d extending inward in the width direction is formed, a fastening hole 7e is formed in the connecting plate portion 7d, and the mounting portion 20 of the tire deflector 9 is brought into contact with the connecting plate portion 7d from the rear side. It is fastened by a fastening member 40 inserted through the holes 7e and 20a.

  A connecting plate portion 7f extending inward in the vehicle width direction is formed at the rear end of the skirt portion 7c of the side face portion 7b of the bumper face 7, and a fastening hole 7g is formed in the connecting plate portion 7f. The bracket portion 21 of the mounting portion 20 of the tire deflector 9 is abutted from the rear side and fastened by a fastening member 41 inserted through both the fastening holes 7g and 21a.

  Next, with regard to the connection between the tire deflector 9 and the mud guard 8, as shown in FIGS. 4, 5, and 12, the mud guard fastening portion 31 of the extending portion 30 of the tire deflector 9 is connected to the lower end of the front portion of the mud guard 8. And a plurality of (for example, two) fastening holes 31a of the mudguard fastening portion 31 and a plurality of (for example, two) fastening holes 8d formed at the front lower end portion of the mudguard 8. The fastening member 42 is fastened.

  Next, regarding the connection between the tire deflector 9 and the under cover 11, as shown in FIGS. 4, 5, and 12, the under cover fastening portion 32 of the extended portion 30 of the tire deflector 9 is connected to the rear cover 11. A plurality (for example, two) (for example, two) of a plurality of (for example, two) fastening holes 11a that are in contact with the end portion from above and are formed in a plurality of fastening holes 32a of the undercover fastening portion 32 and a front end portion of the undercover 11 2) fastening members 43.

  Further, as shown in FIG. 5, a support piece 11 c extending upward is formed at the rear end portion of the under cover 11, and the support piece 11 c is formed on the lateral wall portion 35 of the tire deflector 9 from above. Hung and supported.

The effect of the automobile front structure 1 described above will be described.
In particular, the tire deflector 9 has a mounting portion 20 that is fastened to the side face face portion 7 b of the side portion of the bumper face 7, and a main body portion 25 that extends downward from the mounting portion 20 to the front end side of the tire house 5. The tire deflector 9 is formed with an extending portion 30 extending inward in the vehicle width direction from the attachment portion 20, and the rear end portion of the undercover 11 and the front lower end portion of the mud guard 8 are connected to and supported by the extending portion 30. .

  Therefore, the mud guard 8 and the under cover 11 are supported on the bumper face 7 via the tire deflector 9 and the support rigidity of the mud guard 8 and the under cover 11 is increased without providing a separate bracket, and the under cover 11 of the tire deflector 9 is increased. A function of reducing the air resistance of the front wheels by the tire deflector 9 and a function of rectifying the air flow on the lower surface of the vehicle by the under cover 11. The function of protecting the engine and auxiliary equipment can be reliably exhibited, and the aerodynamic performance can be reliably improved.

  Moreover, when the assemblability of the tire deflector 9 and the under cover 11 is improved, and the mud guard 8, the tire deflector 9 and the under cover 11 are damaged, these replacements can be performed individually. Can reduce the workload and cost.

  The extension part 30 of the tire deflector 9 includes a vertical wall-shaped mudguard fastening part 31 to which the front lower end part of the mudguard 8 is fastened from the vehicle front-rear direction, and a horizontal wall to which the rear end part of the undercover 11 is fastened from the vertical direction. Since the under guard fastening portion 32 is provided, the mud guard 8 and the under cover 11 can be easily and reliably connected to the tire deflector 9 without complicating the shapes of the mud guard 8 and the under cover 11. The assemblability of the deflector 9 and the mudguard 8 is reliably improved.

  The extension part 30 of the tire deflector 9 is configured such that the under cover fastening part 32 projects forward from the lower end part of the mud guard fastening part 31, and the front surface of the mud guard fastening part 31 and the upper surface of the under cover fastening part 32 Since the plurality of reinforcing ribs 33 are arranged at intervals in the vehicle width direction so as to connect the mudguard 8 and the under cover 11, the extending portion 30 having the reinforcing rib 33 to the vicinity of the inner end portion in the vehicle width direction. The support rigidity of the mud guard 8 and the under cover 11 can be reliably increased.

  A longitudinal slit 8c through which the vicinity of the inner end in the vehicle width direction of the mounting portion 20 of the tire deflector 9 passes is formed at the lower end of the front portion of the mud guard 8 so as to be open at the lower end. Since the mounting portion 20 of the tire deflector 9 is disposed on the rear side and the extending portion 30 is disposed on the front side, the mounting portion 20 and the extending portion 30 of the tire deflector 9 are lower than the lower end of the front portion of the tire deflector 9. It can be provided so as not to project to the side, and space can be saved, and the rear end portion of the undercover 11 and the front lower end portion of the mud guard 8 can be reliably connected to the extending portion 30.

  A lateral wall portion 35 that continuously extends outward from the under cover fastening portion 32 in the vehicle width direction is integrally formed at a boundary portion between the mounting portion 20 and the main body portion 25 of the tire deflector 9, and the lower surface of the lateral wall portion 35 and the main body Since the second plurality of reinforcing ribs 36 arranged at intervals in the vehicle width direction so as to connect the front surface of the portion 25 are formed, and the rear end portion of the under cover 11 is supported on the lateral wall portion 36, The support rigidity of the undercover 11 can be further increased while the strength of the mounting portion 20 and the main body portion 25 is significantly increased.

In addition, you may change the said Example as follows.
1] The tire deflector 9 may be made of a hard synthetic resin.
2] The lateral wall portion 35 of the tire deflector 9 may be formed over the entire width of the mounting portion 20.
3] The main body 25 of the tire deflector 9 may also be provided below the extension 30.
4] The rear wall of the tire deflector 9 may be fastened with the rear end of the under cover 11 supported.

5] The bracket portion 21 of the mounting portion 20 of the tire deflector 9 may be omitted, and the bumper face 7 may be directly connected to the upper side of the main body portion 25.
6] As the various connecting members, various members such as bolts / nuts, fastener members, and pin members can be adopted.
7] In addition, various modifications other than the above-described disclosure can be added without departing from the spirit of the present invention, and the present invention can be applied to various front structures of automobiles.

It is a perspective view from the back slanting lower side of the front part structure of a car. It is a perspective view from the front lower side of the front part structure of a car. It is a perspective view from the back diagonal upper side of the front part structure of a car. It is a perspective view from the back slanting lower side of the front part structure of a car. It is a perspective view from the front diagonal upper side of the principal part of the front part structure of a car. It is a perspective view from the front lower side of the principal part of the front part structure of a car. It is a perspective view from the front diagonal upper side of a tire deflector. It is a perspective view from the front diagonal lower side of a tire deflector. It is a front view of a tire deflector. It is a top view of a tire deflector. It is a longitudinal cross-sectional view of the front part structure of a motor vehicle. It is a transverse cross section of the important section of the front part structure of a car. It is a longitudinal cross-sectional view of the principal part of the front part structure of a motor vehicle.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Automobile front structure 5 Tire house 7 Bumper face 8 Mudguard 8c Slit 9 Tire deflector 11 Undercover 20 Attachment part 25 Main part 30 Extension part 31 Mudguard fastening part 32 Undercover fastening part 33 Reinforcement rib 35 Horizontal wall part 36 2nd Reinforcement ribs

Claims (5)

In a front structure of an automobile comprising a bumper face, a tire house, and a synthetic resin mud guard having an upper part attached to a vehicle body member for forming the tire house so as to cover the outer periphery of the front wheel in the tire house ,
A tire deflector having a mounting portion fastened to a side portion of the bumper face and a main body extending downward from the mounting portion on the front end side of the tire house;
An under cover made of a synthetic resin provided at a lower portion on the front side of the tire house and having an outer end edge including a front end portion attached to a lower end portion of a bumper face;
The tire deflector is formed with an extending portion extending inward in the vehicle width direction from the mounting portion, and a rear end portion of the under cover and a front lower end portion of the mud guard are connected and supported by the extending portion. The front structure of the car.   The extension portion of the tire deflector includes a vertical wall-shaped mudguard fastening portion in which the front lower end portion of the mudguard is fastened from the vehicle front-rear direction, and a horizontal wall-like undercover in which the rear end portion of the undercover is fastened from the vertical direction. The front part structure of the automobile according to claim 1, further comprising a fastening part.   The extension portion of the tire deflector is configured such that the under cover fastening portion projects forward from the lower end portion of the mud guard fastening portion, and connects the front surface of the mud guard fastening portion and the upper surface of the under cover fastening portion. The front structure of an automobile according to claim 2, further comprising a plurality of reinforcing ribs arranged at intervals in the width direction.   A longitudinal slit through which the vicinity of the inner end in the vehicle width direction of the mounting portion of the tire deflector passes is formed at the lower end of the front portion of the mud guard so that the lower end of the mud guard is open. 4. The front structure of an automobile according to claim 3, wherein the mounting portion is disposed on the rear side and the extending portion is disposed on the front side.   A lateral wall portion continuously extending from the under cover fastening portion to the vehicle width direction outer side is integrally formed at a boundary portion between the mounting portion of the tire deflector and the main body portion, and a lower surface of the lateral wall portion and a front surface of the main body portion are formed. The second plurality of reinforcing ribs arranged at intervals in the vehicle width direction so as to be connected to each other are formed, and the rear end portion of the under cover is supported by the lateral wall portion. Vehicle front structure as described.

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