JP2009161141A - Front structure of vehicle body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a front structure of a vehicle body capable of sufficiently securing the stroke of a colliding object in the event of its committing a collision while the appearance of the fender inside is improved. <P>SOLUTION: A hitching part 58 is provided in the lower part of a cover 54 of a fender protector 50, and has a cut 60 in a keyhole shape, through which a projection 36 on the side with an apron upper member 30 is inserted. The upper part of the hitching part 58 is embodied in a changeable structure 62, and when the load input to the fender protector 50 directed to under the vehicle body is at or over the prescribed value, deformation is made by the projection 36 in such a manner that the open side of the cut 60 is pushed wider. This allows the cover 54 to move to under the vehicle body, which releases the condition that the cover 54 is attached to the apron upper member 30. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a vehicle body front structure including a fender protector for concealing a gap between an inner end of a fender panel and an apron upper member.

  In the front part of the vehicle body, a fender panel constituting a side plate is attached to a vehicle body skeleton member (apron upper member) (see, for example, Patent Document 1), and between the inner end of the fender panel and the vehicle body skeleton member ( The gap) may be covered from the inside in the vehicle width direction by the fender protector from the viewpoint of appearance. In such a structure, a form in which one end of the fender protector is attached to the inner end of the fender panel and the other end is attached to the vehicle body frame member is known.

However, in this conventional structure, since the fender protector is supported by the vehicle body frame member, when the collision body collides from the upper side of the vehicle body to the parting part between the fender panel and the hood panel or in the vicinity thereof (when a load is applied by the collision body) ), A reaction force is generated by the fender protector, and the stroke of the collision object may be shortened.
Japanese Utility Model Publication No. 5-37659

  An object of the present invention is to obtain a vehicle body front part structure that can sufficiently ensure the stroke of a collision object at the time of a collision while improving the appearance inside the fender in consideration of the above facts.

  The vehicle body front part structure according to the first aspect of the present invention includes an outer wall portion that constitutes a side surface of the vehicle body front portion, and an inner end portion that is bent at a parting portion with a hood panel; An apron upper member, which is disposed on the inner side in the vehicle width direction of the outer wall portion of the fender panel with the longitudinal direction of the vehicle body as a longitudinal direction, and is spaced apart from the inner edge of the fender panel to the vehicle body lower side, and the fender panel An upper wall portion is attached to an inner end portion, and includes a cover portion that extends from a vehicle width direction inner end portion side of the upper wall portion toward the vehicle body lower side and is attached to the apron upper member. A fender protector for concealing a gap between an inner end of the fender panel and the apron upper member, and a predetermined value or more on the vehicle body lower side with respect to the fender protector. And mounting canceling means for canceling the state of attachment of the apron upper member of the cover part by weight inputs, and having a.

  According to the vehicle body front part structure of the present invention described in claim 1, the upper wall portion of the fender protector is attached to the inner end portion of the fender panel, and the vehicle body extends from the end portion inside the vehicle width direction of the upper wall portion. The cover portion that extends downward and is attached to the apron upper member conceals the inner end of the fender panel and the apron upper member. For example, when the hood is opened, the fender panel The concealed portion between the inner end portion of the cover and the apron upper member is not visually recognized by the user.

  Also, when a load greater than or equal to a predetermined value is input to the fender protector below the vehicle body, the attachment state of the cover portion to the apron upper member is released by the attachment release means. For this reason, for example, when the load is input by collision from the upper side of the vehicle body at or near the parting part between the fender panel and the hood panel, the cover part of the fender protector receives from the apron upper member. While the reaction force is suppressed, the fender panel is provided with a deformation stroke (deformable stroke) corresponding to the distance between the inner end of the fender panel and the apron upper member. As a result, the fender panel is deformed in the load acting direction and absorbs the load, and the collision body strokes to the lower side of the vehicle body with a low load.

  The vehicle body front part structure of the present invention described in claim 2 is the structure according to claim 1, wherein the attachment release means is deformed by a load input of a predetermined value or more to the vehicle body lower side with respect to the fender protector. The movement of the cover part to the vehicle body lower side is allowed, and the attachment state of the cover part to the apron upper member is released.

  According to the vehicle body front part structure of the present invention as set forth in claim 2, the attachment releasing means is deformed by a load input of a predetermined value or more to the vehicle body lower side with respect to the fender protector, so that the cover portion moves to the vehicle body lower side. The cover is attached to the apron upper member and the cover is released. For this reason, for example, when the load input is made by collision from the upper side of the vehicle body at or near the parting portion between the fender panel and the hood panel, the vehicle body of the cover unit is deformed by the deformation of the attachment release means. The downward movement is allowed, and the attachment state of the cover part to the apron upper member is released.

  According to a third aspect of the present invention, there is provided a vehicle body front part structure according to the second aspect of the invention, wherein the front body structure has a protrusion provided on the apron upper member side and protruding toward the cover portion side, and on the cover portion side. Is formed with a notch that opens toward the upper side of the vehicle body and holds the protruding portion in a inserted state, and the attachment releasing means is configured to input a load of a predetermined value or more to the lower side of the vehicle body to the fender protector. The projecting portion is a variable structure that can be deformed so that the opening side of the notch is expanded.

  According to the vehicle body front part structure of the present invention described in claim 3, the notch portion formed on the cover portion side opens toward the vehicle body upper side, and the attachment releasing means is on the vehicle body lower side with respect to the fender protector. Since it has a variable structure that can be deformed so that the opening side of the notch is pushed and widened by the protrusion when a load of a predetermined value or more is input, for example, the colliding body is at or near the parting part between the fender panel and the hood panel. When the load is input due to a collision from the upper side of the vehicle body, the projecting portion on the apron upper member side is deformed so that the opening side of the notched portion is pushed open, and the inserted state of the projecting portion into the notched portion is released. By doing so, the attachment state of the cover part to the apron upper member is released.

  As described above, according to the vehicle body front part structure according to claim 1 of the present invention, it is possible to sufficiently ensure the stroke of the collision body at the time of collision while improving the appearance of the inside of the fender. It has the effect.

  According to the vehicle body front structure according to claim 2, the excellent effect that the stroke of the collision body at the time of the collision can be sufficiently ensured with a relatively simple configuration while improving the appearance of the inside of the fender. Have.

  According to the vehicle body front structure according to claim 3, the fender protector can be stably moved to the vehicle body lower side when the collision body collides while improving the appearance of the inside of the fender. .

(Configuration of the embodiment)
A vehicle body front structure according to an embodiment of the present invention will be described with reference to FIGS. In these drawings, an arrow FR appropriately shown indicates the vehicle front side, an arrow UP indicates the vehicle upper side, and an arrow IN indicates the inner side in the vehicle width direction. In FIG. 3, only the fender protector 50 is shown, but for the sake of convenience, the direction in the attached state of the fender protector 50 is indicated by the arrow UP, the arrow FR, and the arrow IN.

  As shown in FIG. 1, a metal hood 14 that covers the engine room 12 so as to be openable and closable is disposed above the vehicle body of the engine room 12 in the vehicle body front portion 10. The hood 14 includes a hood outer panel 16 that constitutes an outer plate of the hood 14, and a hood inner panel 18 that constitutes an inner plate of the hood 14 by being spaced apart from the hood outer panel 16 toward the hood lower side (see FIG. 5). ) And. The outer periphery of the hood outer panel 16 is coupled to the hood inner panel 18 (see FIG. 5) by hemming.

  On the side of the hood outer panel 16 shown in FIG. 1, an outer wall portion 22 of the front fender panel 20 is disposed to constitute a side surface of the vehicle body front portion 10. The parting portion 26 that becomes the boundary between the hood outer panel 16 that forms the outer plate of the hood 14 and the front fender panel 20 that forms the side surface of the vehicle body front portion 10 is at both ends in the vehicle width direction of the hood 14 (the vehicle body side surface upper end portion). , Extending substantially along the longitudinal direction of the vehicle body.

  As shown in FIG. 5, which is an enlarged cross-sectional view taken along line 5-5 of FIG. 1, the front fender panel 20 covers the upper side of the front wheel 19 (see FIG. 1) and constitutes an outer wall portion 22 constituting a design surface. And an inner wall portion 24 that is suspended from the upper end portion 22A of the outer wall portion 22 at the parting portion 26 with the hood outer panel 16 and is bent substantially downward in the vehicle body. The inner wall portion 24 as an inner end portion of the front fender panel 20 includes an inner vertical wall portion 24A that hangs downward from the upper end portion 22A of the outer wall portion 22 and a lower end portion of the inner vertical wall portion 24A. And a horizontal flange portion 24 </ b> B extending substantially horizontally from the vehicle width direction inside (engine room 12 side). Further, the distal end portion of the horizontal flange portion 24B, that is, the terminal portion 24C inside the front fender panel 20 is formed in a semicircular shape in a sectional view that protrudes upward of the vehicle body.

  An apron upper member 30 constituting a part of the vehicle body side structural body is disposed on the vehicle body lower side of the horizontal flange portion 24B of the front fender panel 20. The apron upper member 30 includes an apron upper member outer 32 disposed on the outer side in the vehicle width direction, and an apron upper member inner 34 disposed on the inner side in the vehicle width direction and constituting a closed cross section with the apron upper member outer 32. ing. The apron upper member outer 32 and the apron upper member inner 34 each having a substantially L-shaped cross section are aligned in the vertical direction, and are formed into a closed cross-section structure by spot welding the overlapped terminal flange portions. Has been.

  As shown in FIG. 2, which is a schematic perspective view of a half section at a side portion in the engine room 12 in a state where the hood 14 is opened, the apron upper member 30 is formed in the vehicle width direction of the outer wall portion 22 of the front fender panel 20. It is a vehicle body skeleton member that is disposed on the inner side with the longitudinal direction of the vehicle body as a longitudinal direction, and is spaced apart from the inner wall portion 24 of the front fender panel 20 to the vehicle body lower side. In other words, the outer wall portion 22 of the front fender panel 20 is disposed outside the apron upper member outer 32 of the apron upper member 30 in the vehicle width direction, and the inner wall portion 24 of the front fender panel 20 is formed of the apron upper member. 30 is spaced apart from the upper side of the vehicle body. The constant gap between the inner wall portion 24 of the front fender panel 20 and the apron upper member 30 forms a deformable space of the front fender panel 20 at the time of a collision, and a gap for ensuring the required performance for pedestrian protection. It has become.

  The horizontal flange portion 24B of the inner wall portion 24 and the apron upper member 30 of the front fender panel 20 are substantially arranged at predetermined intervals in a part of the vehicle body in the front-rear direction, with shock absorbing brackets 40 (“fender bracket”, “energy absorbing bracket”). In a broad sense, it is an element grasped as an “impact absorbing member”) (in FIG. 2, only the shock absorbing bracket 40 on the front side of the vehicle body is shown). Thus, the inner wall portion 24 of the front fender panel 20 is supported on the apron upper member 30 side via the shock absorbing bracket 40.

  The shock absorbing bracket 40 has a substantially hat shape when viewed from the side of the vehicle body. The shock absorbing bracket 40 is arranged in parallel with the top wall portion 34A of the apron upper member inner 34, and the bracket top portion to which the horizontal flange portion 24B of the front fender panel 20 is fixed. A wall 42, a pair of front and rear mounting bases 44 that are placed in surface contact with the top wall 34A of the apron upper member inner 34 and fixed to the top wall 34A by spot welding or the like, and a flat bracket top It comprises a pair of front and rear support legs 46 that connect the wall portion 42 and the flat mounting base 44 in the vertical direction of the vehicle body and can be deformed in a direction that can be crushed by a load action from above the vehicle body. That is, the shock absorbing bracket 40 connects the inner wall portion 24 of the front fender panel 20 and the apron upper member 30 and can be deformed in a direction to be crushed by a load action from above the vehicle body.

  A bolt insertion hole (not shown) is formed through the bracket top wall portion 42 of the shock absorbing bracket 40, and a weld nut (not shown) is welded to the back side thereof in advance. With the horizontal flange portion 24B of the front fender panel 20 placed on the upper surface of the bracket top wall portion 42 of the shock absorbing bracket 40, a bolt 48 is inserted from above the horizontal flange portion 24B, and the weld nut ( The horizontal flange portion 24 </ b> B of the front fender panel 20 is attached to the top wall portion 34 </ b> A of the apron upper member 30 via the shock absorbing bracket 40.

  A fender protector 50 (also referred to as “fender cover” or “fender curtain”) that extends continuously in the front-rear direction of the vehicle body is attached to the upper surface of the horizontal flange portion 24B of the front fender panel 20. The fender protector 50 is integrally formed by molding using a resin material (for example, PP (polypropylene)). In the present embodiment, the fender protector 50 is set to have higher rigidity than rubber. The fender protector 50 is arranged in many types of vehicles such as a vehicle classified as a luxury vehicle from the viewpoint of appearance.

  The fender protector 50 includes an upper wall portion 52 attached to the horizontal flange portion 24B of the inner wall portion 24 of the front fender panel 20 from the upper surface side and extends substantially in the longitudinal direction of the vehicle body. A cover portion 54 that is bent from the end portion side and extends toward the lower side of the vehicle body extends substantially in the longitudinal direction of the vehicle body, and the inner wall portion 24 (horizontal flange portion 24B) of the front fender panel 20 and the apron upper member 30 The gap (gap space) is hidden.

  On the lower surface side of the upper wall portion 52 of the fender protector 50, a plurality of attachment claws 56 (clip portions) are formed at predetermined positions in the longitudinal direction of the vehicle body. As shown in FIG. 5, the mounting claw 56 is inserted and locked to the mounting hole 124 </ b> B formed at a predetermined position of the horizontal flange portion 24 </ b> B of the front fender panel 20 from the vehicle body upper side. A seal material (not shown) is disposed on the upper surface side of the upper wall portion 52 of the fender protector 50 on the inner side in the vehicle width direction of the inner vertical wall portion 24A of the front fender panel 20. It is configured to be pressed against the terminal portion in the width direction in an elastically deformed state.

  As shown in FIG. 3 which shows a part of the fender protector 50 in a perspective view, the cover 54 is attached to the apron upper member 30 (see FIG. 2) side at the lower end portion on the outer side in the vehicle width direction. A locking portion 58 (an element grasped as a part of the “holding means” in a broad sense) is provided. As shown in FIG. 5, the locking portion 58 of the cover portion 54 is locked to a projection 36 that is provided on the apron upper member 30 side and protrudes toward the cover portion 54 side. It is attached (fixed) to the upper member 30. The reason why the cover portion 54 is fixed (fastened) to the apron upper member 30 is to prevent the fender protector 50 from shaking with the patter when the user touches the fender protector 50, and the fender protector 50. This is to suppress the generation of abnormal noise between the upper member 30 and the apron upper member 30.

  More specifically, as shown in FIGS. 3 and 4, the locking portion 58 is formed in a box shape that protrudes from the general surface on the outer side in the vehicle width direction of the cover portion 54 and is opened on the upper side as a whole. The wall portion 58A on the outer side in the vehicle width direction of the locking portion 58 has a keyhole-shaped cutout portion 60 (opening toward the vehicle body upper side, which is an element constituting a part of the detaching structure in a broad sense). .) Is formed. As shown in FIG. 4, the notch 60 has a hole 60 </ b> A having a diameter that is slightly larger than the shaft diameter of the pin 36 </ b> A (shaft) of the protrusion 36 and the pin 36 </ b> A of the protrusion 36 can pass therethrough. The groove portion 60B is narrower than the shaft diameter of the pin 36A of the portion 36 (narrower than the diameter dimension of the hole portion 60A) and is opened at the upper edge of the wall portion 58A. The notch 60 holds the pin 36A of the protrusion 36 in a state where the pin 36A is inserted through the hole 60A. In consideration of the installation error of the front fender panel 20 (see FIG. 2), the diameter dimension of the hole 60A is set to a dimension that is slightly larger than the shaft diameter of the pin 36A of the protrusion 36 and has a margin. Is preferred.

  Further, as shown in FIG. 5, in this embodiment, the projecting portion 36 is fixed to the inner vertical wall portion 34 </ b> B of the apron upper member inner 34 (the caulking, A fixed portion by fastening or the like) is integrated, and a head portion 36B for preventing slipping is provided at the tip end portion of the pin 36A, which has a diameter larger than the shaft diameter of the pin 36A. The pin 36 </ b> A is inserted (inserted) into the hole 60 </ b> A (see FIG. 4) in the locking portion 58, and the head 36 </ b> B is disposed inside the box-shaped portion in the locking portion 58. Thus, the cover portion 54 is attached to the apron upper member 30 side.

  In the present embodiment, the notch 60 into which the pin 36A of the protrusion 36 is inserted is formed into a keyhole shape because the locking portion 58 is disengaged from the protrusion 36 in a normal state (that is, in a case other than a collision). When a load of a predetermined value or more on the lower side of the vehicle body acts on the cover portion 54, the pin 36A shown in FIG. 4 shows the upper periphery of the hole 60A in the notch 60 and the groove 60B. By deforming the periphery (see FIG. 7 (A)), the locking portion 58 is removed (removed) from the protruding portion 36, and the locking portion 58 (cover portion 54) is removed from the apron upper member 30 (see FIG. 5) side. It is for letting it detach.

  That is, the upper side of the locking portion 58 can be deformed so that the opening side of the cutout portion 60 is pushed and widened by the protruding portion 36 when a load of a predetermined value or more is applied to the fender protector 50 below the vehicle body (so-called expansion is possible). It is a variable structure 62 as a proper attachment releasing means. The variable structure 62 on the upper side of the locking portion 58 is deformed by a load input of a predetermined value or more to the vehicle body lower side with respect to the fender protector 50, thereby allowing the cover portion 54 to move to the vehicle body lower side and the cover portion 54. The apron upper member 30 (see FIG. 5) is released from the attached state (fender protector pedestrian protection support structure).

  In the present embodiment, a predetermined empty space 64 is formed on the vehicle body lower side of the cover portion 54 of the fender protector 50 shown in FIG. Has been.

(Operation and effect of the embodiment)
Next, the operation and effect of the above embodiment will be described.

  As shown in FIG. 2, the upper wall portion 52 of the fender protector 50 is attached to the inner wall portion 24 (horizontal flange portion 24 </ b> B) of the front fender panel 20, and from the end side on the inner side in the vehicle width direction of the upper wall portion 52. The cover portion 54 extending downward from the vehicle body conceals the gap space between the inner wall portion 24 of the front fender panel 20 and the apron upper member 30. For example, the hood 14 (see FIG. 1) is opened. At this time, the concealed portion between the inner wall portion 24 of the front fender panel 20 and the apron upper member 30 is not visually recognized by the user.

  Further, as shown in FIG. 4, a notch 60 formed in the locking portion 58 of the cover portion 54 opens toward the vehicle body upper side, and the upper side of the locking portion 58 is connected to the variable structure 62. Therefore, for example, the collision body 70 (impactor) shown in FIG. 5 collides with the fender protector 50 by colliding with the parting portion 26 between the front fender panel 20 and the hood outer panel 16 or the vicinity thereof from the upper side of the vehicle body. When a load F of a predetermined value or more is input to the lower side of the vehicle body, as shown in FIG. 7A, the opening side of the notch 60 is pushed and widened by the protrusion 36 on the apron upper member 30 side. Deform.

  By this deformation, the movement of the cover portion 54 to the lower side of the vehicle body is allowed, and the insertion state of the protruding portion 36 into the cutout portion 60 is released (disengaged) as shown in FIG. As shown in FIG. 6, the attachment state of the cover portion 54 to the apron upper member 30 is released. For this reason, the fender protector 50 moves stably to the lower side of the vehicle body with a low load while the reaction force received by the cover 54 of the fender protector 50 from the apron upper member 30 is suppressed, and the front fender panel 20 A deformation stroke (deformable stroke) corresponding to the distance between the horizontal flange portion 24B of the front fender panel 20 and the apron upper member 30 is provided. As a result, while the front fender panel 20 is deformed so as to crush the shock absorbing bracket 40 (see FIG. 2), the front fender panel 20 is deformed in the load acting direction and absorbs the load. Stroke.

  Supplementally, for example, in a comparison structure in which the cover of the fender protector is fixed to the apron upper member and cannot be removed, the colliding body collides with the parting part between the front fender panel and the hood outer panel or the vicinity thereof from the upper side of the vehicle body. Thus, when a load of a predetermined value or more is input to the fender protector on the lower side of the vehicle body, the cover portion of the fender protector receives a reaction force from the apron upper member. Here, for example, if a part of the cover part is sandwiched between the front fender panel and the apron upper member, the reaction force increases and the deformation stroke of the front fender panel also shortens. Looking at the GS diagram of the collision object in such a case (a graph showing the relationship between the collision object generation deceleration and the stroke when the collision object collides with the hood), the G increases and the stroke also increases in the second half. Shorter. On the other hand, in the vehicle body front part structure of the present embodiment, a good GS diagram can be obtained.

  As described above, according to the vehicle body front structure according to the present embodiment, the stroke of the collision body 70 at the time of collision can be sufficiently increased with a relatively simple configuration while improving the appearance of the front fender panel 20. Can be secured (improvement of pedestrian protection).

(Supplementary explanation of the embodiment)
In the above embodiment, the upper side of the locking portion 58 has a variable structure 62 as an attachment releasing means. However, the attachment releasing means is provided, for example, at an attachment portion of the cover portion to the apron upper member, Such as a fragile structure that allows the cover to move to the lower side of the vehicle body and breaks the attachment state of the cover part to the apron upper member by breaking when a load greater than a predetermined value is applied to the lower side of the vehicle body to the fender protector Other attachment release means may be used.

  As another example of the attachment releasing means, for example, it is provided at the attachment portion of the cover portion to the apron upper member, and the switch is turned on when the load is input to the fender protector below the predetermined value with respect to the vehicle body. It may be an attachment release mechanism that releases the attachment state of the cover portion to the apron upper member by actuating the cover.

  Further, for example, it has a protruding portion provided on the cover portion side and protruding toward the apron upper member side, and the apron upper member side is opened toward the vehicle body lower side and held in a state where the protruding portion is inserted. In other vehicle body front structures in which a cutout portion is formed, the attachment release means is pushed by the projection when the load input to the fender protector is below a predetermined value on the vehicle lower side, and the opening side (vehicle body lower side) of the cutout portion is pushed by the protrusion. The structure may be deformable so as to be spread.

1 is a perspective view showing a vehicle to which a vehicle body front structure according to an embodiment of the present invention is applied. 1 is a schematic perspective view of a half cross section showing a main part of a vehicle body front structure according to an embodiment of the present invention. It is a perspective view which shows the principal part of the fender protector of the vehicle body front part structure which concerns on one Embodiment of this invention. It is a perspective view which shows the state by which the latching | locking part of the fender protector was attached to the protrusion part by the side of the apron upper member. FIG. 5 is an enlarged sectional view taken along line 5-5 in FIG. 1 (the portion excluding the hood corresponds to an enlarged section taken along line 5A-5A in FIG. 2). It is sectional drawing which shows the state which the collision body collided (it shows with the same cut surface as FIG. 5). It is a perspective view which shows the state change when the latching | locking part of a fender protector remove | deviates from the protrusion part by the side of an apron upper member. FIG. 7A shows a state in which the opening side of the notch is pushed and widened by the protruding portion. FIG. 7B shows a state in which the locking portion of the fender protector is disengaged from the protruding portion on the apron upper member side.

Explanation of symbols

10 Car body front 16 Hood outer panel (hood panel)
20 Front fender panel 22 Outer side wall 24 Inner side wall (inner end)
26 parting part 30 apron upper member 36 projecting part 50 fender protector 52 upper wall part 54 cover part 60 notch part 62 variable structure (mounting release means)

Claims (3)

A fender panel provided with an outer wall portion constituting the side surface of the front portion of the vehicle body and an inner end portion bent at a parting portion with the hood panel;
An apron upper member which is disposed on the inner side in the vehicle width direction of the outer wall portion of the fender panel with the longitudinal direction of the vehicle body as a longitudinal direction, and is spaced apart from the inner end of the fender panel on the vehicle body lower side;
An upper wall portion is attached to an inner end portion of the fender panel, and includes a cover portion that extends from the end portion of the upper wall portion in the vehicle width direction to the vehicle body lower side and is attached to the apron upper member. A fender protector for concealing the cover portion between the inner end of the fender panel and the apron upper member;
An attachment release means for releasing the attachment state of the cover part to the apron upper member by a load input of a predetermined value or more to the vehicle body lower side with respect to the fender protector
The vehicle body front part structure characterized by having.   The attachment releasing means is deformed by a load input of a predetermined value or more to the vehicle body lower side with respect to the fender protector, thereby allowing the cover portion to move to the vehicle body lower side and allowing the cover portion to move to the apron upper member. The vehicle body front part structure according to claim 1, wherein the mounting state is released. While having a protruding portion provided on the apron upper member side and protruding toward the cover portion side,
On the cover part side, a notch part is formed that opens toward the upper side of the vehicle body and holds the protruding part in a inserted state.
The mounting release means has a variable structure that can be deformed so that the opening side of the notch is pushed and widened by the protrusion when a load of a predetermined value or more to the lower side of the vehicle body is input to the fender protector. Item 2. The vehicle body front structure according to Item 2.

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