JP2023002360A - Arrangement structure of reserve tank - Google Patents

Abstract

To obtain an arrangement structure of a reserve tank which can secure a supply route of cooling water to the reserve tank even in a vehicle in which an engine compartment cannot be provided at a vehicle front side in a cabin.SOLUTION: Reserve tanks 60, 64 are arranged inside a vehicle width direction rather than a fender panel 80, an upper wall part 86 is arranged at an upper side of the reserve tanks 60, 64, and water supply ports 60A, 64A of the reserve tanks 60, 64 are exposed to an in-cabin 36 side by the upper wall part 86. As above, since the water supply ports 60A, 64A of the reserve tanks 60, 64 are exposed to the in-cabin 36 side, cooling water can be supplied to the reserve tanks 60, 64 from the in-cabin 36 side.SELECTED DRAWING: Figure 1

Description

The present invention relates to an arrangement structure of a reserve tank.

Patent Literature 1 listed below discloses a technique related to a reserve tank mounting structure in which the reserve tank is provided in the engine compartment of a hybrid vehicle. In this prior art, cooling water can be supplied into the reserve tank by opening a hood cover that opens and closes the engine compartment.

JP 2015-133803 A

However, in this prior art, if the engine compartment is not provided on the front side of the vehicle in the vehicle interior, it is difficult to secure a cooling water supply route to the reserve tank.

In consideration of the above facts, the present invention provides a reserve tank arrangement structure that can secure a cooling water supply route to the reserve tank even in a vehicle that does not have an engine compartment on the front side of the vehicle interior. It is.

According to the arrangement structure of the reserve tank according to the first aspect of the invention, the reserve tank is arranged inside in the vehicle width direction from the outer plates provided on the vehicle front portion and the vehicle side portion, and stores cooling water for the radiator. and an upper wall portion that is provided inside the passenger compartment, is arranged on the vehicle upper side of the reserve tank, and exposes the water supply port of the reserve tank to the inside of the passenger compartment.

In the arrangement structure of the reserve tank according to the invention described in claim 1, the reserve tank and the upper wall portion are provided, and the reserve tank extends in the vehicle width direction from the outer plate provided at the vehicle front portion and the vehicle side portion. placed inside. Further, the upper wall portion is provided inside the vehicle compartment and is arranged on the vehicle upper side of the reserve tank, and the upper wall portion exposes the water supply port of the reserve tank to the inside of the vehicle compartment.

For example, when an opening is provided in the upper wall, the water supply port of the reserve tank can be exposed to the interior of the vehicle through the opening. Further, when part or all of the upper wall can be opened and closed, the water supply port of the reserve tank can be exposed to the inside of the vehicle compartment by opening part or all of the upper wall. As described above, in the present invention, since the water supply port of the reserve tank is exposed to the inside of the vehicle compartment, cooling water can be supplied to the reserve tank from the inside of the vehicle compartment.

As described above, in the present invention, even in a vehicle in which an engine compartment is not provided on the vehicle front side in the vehicle interior, the reserve is provided inside the vehicle width direction from the outer plate provided on the vehicle front side and the vehicle side portion. By arranging the tank, it becomes possible to secure the arrangement place of the reserve tank. In addition, cooling water can be supplied to the reserve tank from the inside of the passenger compartment.

The arrangement structure of the reserve tank according to the invention of claim 2 is the arrangement structure of the reserve tank according to the invention of claim 1, wherein the upper wall portion is formed on the upper wall portion, It includes an opening that exposes a water supply port to the inside of the vehicle interior, and an open/close lid that is provided on the upper wall and opens and closes the opening.

In the arrangement structure of the reserve tank according to the invention described in claim 2, the upper wall portion is configured to include the opening and the opening/closing lid, the opening is formed in the upper wall portion, and the reserve tank is supplied through the opening. The water supply port of the tank is exposed inside the passenger compartment. The opening/closing lid is provided on the upper wall and opens and closes the opening.

That is, by opening the opening of the upper wall, the water supply port of the reserve tank is exposed to the interior of the vehicle through the opening. As a result, cooling water can be supplied into the reserve tank from the inside of the passenger compartment.

The arrangement structure of the reserve tank according to the invention of claim 3 is characterized in that, in the arrangement structure of the reserve tank according to the invention of claim 1 or claim 2, the vehicle interior upper side of the upper wall portion has a A trim member that constitutes the interior material of the vehicle is provided.

In the arrangement structure of the reserve tank according to the third aspect of the invention, the interior design of the vehicle interior is improved by providing the trim member constituting the interior material of the vehicle interior on the vehicle upper side of the upper wall portion.

According to a fourth aspect of the present invention, there is provided a reserve tank arrangement structure according to the third aspect of the present invention, wherein the trim member includes a fixed portion fixed to the inside of the vehicle interior, and the fixed portion. a movable part provided movably with respect to the part and exposing the upper wall part in a movable state.

In the reserve tank arrangement structure according to the fourth aspect of the invention, the trim member includes a fixed portion and a movable portion, the fixed portion is fixed to the inside of the vehicle interior, and the movable portion is attached to the fixed portion It is provided so as to be movable relative to. That is, the movement of the movable portion exposes the upper wall portion.

Therefore, in the present invention, the movable portion of the trim member is normally not moved, and the upper wall portion is shielded by the movable portion of the trim member. On the other hand, when cooling water is supplied to the reserve tank, the movable portion is moved. By moving the movable portion in this manner, the upper wall portion is exposed, and the water inlet of the reserve tank can be exposed. That is, in the present invention, it is not necessary to remove all the trim members when supplying water to the reserve tank.

As described above, according to the arrangement structure of the reserve tank according to claim 1, even in a vehicle in which an engine compartment is not provided on the front side of the vehicle in the vehicle interior, a cooling water supply path to the reserve tank is ensured. can do.

According to the arrangement structure of the reserve tank described in claim 2, when the open/close lid provided on the upper wall is closed, the opening is closed, and when the open/close lid is opened, the water supply port of the reserve tank is opened through the opening. can be exposed inside the vehicle.

According to the arrangement structure of the reserve tank according to claim 3, it is possible to improve the appearance of the interior of the vehicle.

According to the arrangement structure of the reserve tank according to claim 4, it is not necessary to remove all the trim members when water is supplied to the reserve tank, and the work can be simplified.

1 is a side sectional view showing a front portion of a vehicle to which a reserve tank arrangement structure according to the present embodiment is applied; FIG. 1 is an enlarged side cross-sectional view of a main portion of a front portion of a vehicle to which a reserve tank arrangement structure according to the present embodiment is applied; FIG. 1 is a plan view showing a front portion of a vehicle to which a reserve tank arrangement structure according to the present embodiment is applied; FIG. FIG. 3 is an enlarged cross-sectional view showing a reserve tank, a housing portion, and a trim that constitute a part of the arrangement structure of the reserve tank according to the present embodiment;

Hereinafter, a reserve tank arrangement structure 10 according to an embodiment of the present invention will be described with reference to the drawings. It should be noted that some reference numerals may be omitted in each drawing for the purpose of making the drawings easier to see. An arrow FR, an arrow LH, and an arrow UP shown in each figure indicate the front of the vehicle (traveling direction), the left of the vehicle, and the top of the vehicle, respectively. In the following description, when simply using front-rear, left-right, and up-down directions, front-rear in the vehicle front-rear direction, left and right in the vehicle left-right direction (vehicle width direction), and up and down in the vehicle vertical direction will be indicated unless otherwise specified. .

(Car body configuration)
As shown in FIGS. 1 to 3, a vehicle 12 to which the reserve tank arrangement structure 10 according to the present embodiment is applied has a frame structure in which a body 16 having a cabin is fixed above a ladder frame 14. , and an example is a ride-sharing vehicle such as a bus. Although not shown, the body 16 of the vehicle 12 has a substantially rectangular parallelepiped outer shape. This vehicle 12 is an electric vehicle as an example. First, an outline of the frame structure of the vehicle 12 will be described.

The ladder frame 14 described above includes a pair of left and right side frames 18 and a plurality of cross members 20 and 22 . The left and right side frames 18 extend in the front-rear direction on both sides of the vehicle 12 in the vehicle width direction. The plurality of cross members 20 and 22 are spaced apart in the longitudinal direction and extend in the vehicle width direction. In addition, left and right side frames 18 are connected in the vehicle width direction by a plurality of cross members 20 and 22 .

The left and right side frames 18 are composed of left and right front side frames 24, left and right center side frames 26, and left and right rear side frames (not shown). The left and right front side frames 24 extend in the front-rear direction on both sides in the vehicle width direction of the front portion of the vehicle 12 . The left and right central side frames 26 extend in the front-rear direction on both sides in the vehicle width direction of the central portion in the front-rear direction of the vehicle 12 . The left and right rear side frames extend in the front-rear direction on both sides in the vehicle width direction of the rear portion of the vehicle 12 .

The front side frame 24, the central side frame 26, and the rear side frame are made of steel, for example, in the shape of a rectangular tube, and have a rectangular closed cross-section when viewed from the front-rear direction. A plurality of cross members (not shown) are also provided between the left and right central side frames 26 and between the left and right rear side frames.

The front portions 24F of the left and right front side frames 24 extend linearly in the front-rear direction, and front-rear intermediate portions of the respective front portions 24F are connected in the vehicle width direction by a cross member 22 . Suspension towers 28 are fixed to the vehicle width direction outer surface of each front portion 24F.

A motor 32 for driving the vehicle 12 is arranged between the left and right front side frames 24 . The motor 32 is supported by the left and right front side frames 24 via cross members 20 and 22 and supporting members (not shown). An electronic unit 34 that controls the power supplied to the motor 32 is arranged above the motor 32 . The electronic unit 34 is supported by the left and right front side frames 24 via a support frame 35 , and the motor 32 and the electronic unit 34 constitute the power unit 30 .

The body 16 supported from below by the ladder frame 14 configured as described above has a floor panel 38 that constitutes the floor of the passenger compartment 36 . The floor panel 38 includes a front floor panel 40 forming a front floor portion of the vehicle interior 36, a central floor panel 42 forming an intermediate floor portion of the vehicle interior 36 in the longitudinal direction, and a rear portion of the vehicle interior 36. and a rear floor panel (not shown) forming a floor. The front floor panel 40, the central floor panel 42, and the rear floor panel are made of steel, for example.

A front portion of the front floor panel 40 serves as a driver's seat floor portion 40F extending in the longitudinal direction and the vehicle width direction. A rear portion of the front floor panel 40 is formed as an inclined portion 40R that is inclined downward toward the rear side of the vehicle.

The driver's seat floor portion 40F is arranged above the front portions 24F of the left and right front side frames 24, and the inclined portion 40R is arranged above the rear portions 24R of the left and right front side frames 24. are spaced apart. The above-described electronic unit 34 is arranged below the driver's seat floor portion 40F.

The front end of the central floor panel 42 is coupled to the rear end of the inclined portion 40R. The central floor panel 42 extends in the longitudinal direction and the vehicle width direction. Under the central floor panel 42, a battery (not shown) that stores electric power for supplying the motor 32 is arranged.

A drop is provided between the driver's seat floor portion 40F and the central floor panel 42, and the driver's seat floor portion 40F is positioned above the central floor panel 42. - 特許庁Therefore, a step portion 44 is provided between the driver's seat floor portion 40F and the central floor panel 42 and is composed of a plurality of stepped portions 44A.

The front floor panel 40 is supported by the left and right front side frames 24 via a pair of left and right front side members 48 . The left and right front side members 48 extend in the front-rear direction above and outside the left and right front side frames 24 in the vehicle width direction. The left and right front side members 48 are manufactured, for example, by pressing a steel plate, are joined to the lower surface of the front floor panel 40 by means of welding or the like, and extend in the vehicle front-rear direction between the front floor panel 40 and the front side members 48 . It is formed so as to constitute a closed cross section.

Front portions 48</b>F of the left and right front side members 48 extend linearly in the front-rear direction and are joined to the lower surface of the driver's seat floor portion 40</b>F of the front floor panel 40 . Rear portions 48R of the left and right front side members 48 are so-called kick portions that slope downward toward the vehicle rear side, and are joined to the lower surface of the slope portion 40R of the front floor panel 40. As shown in FIG. In the following description, the rear portion 48R of the front side member 48 will be referred to as the "kick portion 48R".

Radiator support upper members 50 extending in the vehicle width direction are arranged at the front ends of the left and right front side members 48 . The radiator support upper member 50 is made of, for example, a steel plate, and has a hat-shaped cross section that opens forward when viewed in the vehicle width direction. The front ends of the left and right front side members 48 are provided with flanges that overlap, for example, the rear surface of the radiator support upper member 50, and the flanges are attached to the rear surface of the radiator support upper member 50 by means of bolting or the like. Fixed. As a result, the front ends of the left and right front side members 48 are connected in the vehicle width direction by the radiator support upper member 50 .

Both ends of the radiator support upper member 50 in the vehicle width direction are supported by the front end portions 24F1 of the left and right front side frames 24 via the left and right front pillar members 52 . The left and right front pillar members 52 are formed, for example, by press-molding a steel plate, and have a box shape with an open front side and an upper side. Each front pillar member 52 has, for example, a flange portion (not shown) formed at the upper end thereof fixed to the radiator support upper member 50 by means of welding, bolting, or the like. A lower end portion of each front pillar member 52 is fixed to the front side frame 24 via a bracket 54 by welding or the like. Each front pillar member 52 is mounted on the upper surface of each bracket 54 and is fixed to each bracket 54 by means such as bolting.

A radiator support lower member 56 extending in the vehicle width direction is arranged on the front end portion 24F1 of the front side frame 24 below the radiator support upper member 50 . The radiator support lower member 56 is made of, for example, a steel plate. The radiator 58 is fixed to the radiator support lower member 56, the radiator support upper member 50, and the left and right front pillar members 52 so that the radiator 58 is fixed to the radiator support lower member 56, the radiator support upper member 50, and the left and right front pillar members 52. Supported.

The radiator 58 is for cooling the power unit 30, and is connected to a reserve tank 60 in which cooling water for the radiator 58 is stored via a pipe (not shown). The reserve tank 60 adjusts the amount of cooling water circulating in the radiator 58 according to the temperature change of the cooling water and adjusts the pressure in the radiator 58 .

Further, although not shown, the vehicle 12 in this embodiment can be equipped with an automatic driving unit (hereinafter referred to as "AKD") that controls automatic driving. A radiator 62 is separately provided as a part of the AKD. The radiator 62 is supported by the radiator support lower member 56, the radiator support upper member 50, and the left and right front pillar members 52 by being fixed to the radiator support lower member 56 and the left and right front pillar members 52, for example. be.

The radiator 62 is provided for cooling the AKD, and like the reserve tank 60, the radiator 62 is connected to a reserve tank 64 that stores cooling water for the radiator 62 via a pipe (not shown). The reserve tank 64 adjusts the amount of cooling water circulating in the radiator 62 according to the temperature change of the cooling water, thereby adjusting the pressure in the radiator 62 .

The front ends of the kick portions 48R of the left and right front side members 48 are supported by the left and right front side frames 24 via left and right rear pillar members 66, respectively. The left and right rear pillar members 66 are formed, for example, by press-molding a steel plate, and have a box shape with an open center side and an upper side in the vehicle width direction.

Each rear pillar member 66 has, for example, a flange formed at its upper end fixed to the front end of each kick portion 48R by means of welding or the like. A lower end portion of each rear pillar member 66 is fixed to the front side frame 24 via a bracket 68 by welding or the like. Each rear pillar member 66 is mounted on the upper surface of each bracket 68 and is fixed to each bracket 68 by means such as bolting.

The left and right front side members 48 are supported from below by the left and right front side frames 24 via the radiator support upper member 50, the front pillar member 52, the bracket 54, the rear pillar member 66 and the bracket 68. The front floor panel 40 is supported from below by left and right front side members 48 .

A dashboard 70 is provided at the front end of the front floor panel 40 , and an instrument panel 74 is provided at the upper end 70A of the dashboard 70 in front of the driver's seat 72 . A vertical wall portion 75 that separates the front floor panel 40 and the central floor panel 42 is provided on the rear side of the driver's seat 72 along the width direction of the vehicle except for the step portion 44 .

A central floor panel 42 is provided on the rear side of the vertical wall portion 75 , and a plurality of audience seats 76 are arranged on the upper side of the central floor panel 42 . Although the audience seats 76 are fixed to the vertical wall portion 75 via the brackets 76A in FIG. 1, the present invention is not limited to this. For example, although not shown, the audience seats may be fixed to the central floor panel 42 via brackets.

(Composition of arrangement structure of reserve tank)
Here, the configuration of the reserve tank arrangement structure 10 according to the present embodiment will be described.

As shown in FIG. 3, on the left side of the driver's seat floor portion 40F in the passenger compartment 36 and on the lower side of the front side glass (not shown), there is a box-shaped storage portion extending from the front side of the step portion 44 to the dashboard 70. 78 are provided.

The housing portion 78 has a substantially rectangular parallelepiped shape elongated along the vehicle front-rear direction in a plan view. It is formed along a fender panel (outer plate) 80 that is formed. Note that the outer wall portion 78A may be configured by a fender panel 80. As shown in FIG. An inner wall portion 78B forming the inner side of the housing portion 78 in the vehicle width direction is set to have a larger curvature than the outer wall portion 78A. The width dimension of the accommodating portion 78 decreases toward the rear wall portion 78D that constitutes the end.

A front wall portion 78</b>C of the housing portion 78 is formed to match the shape of the dashboard 70 to avoid interference with the dashboard 70 . For this reason, the front wall portion 78C of the housing portion 78 includes an inclined portion 78C1 that inclines toward the rear side of the vehicle as it goes from the outside in the vehicle width direction toward the inside, and the inclined portion 78C1 that is continuous with the inclined portion 78C1 and extends along the vehicle width direction. and a formed lateral wall portion 78C2. A rear wall portion 78</b>D of the housing portion 78 is formed along the width direction of the vehicle on the front side of the step portion 44 .

On the other hand, as shown in FIG. 2, a partition wall 78E is provided at the center of the housing portion 78 in the longitudinal direction to divide the interior of the housing portion 78 into a front portion 78F and a rear portion 78R. A reserve tank 60 and a reserve tank 64 are arranged on the front portion 78</b>F side of the housing portion 78 . Note that the reserve tank 60 is arranged on the front side in the vehicle front-rear direction and on the inner side in the vehicle width direction than the reserve tank 64 .

The reserve tanks 60, 64 are provided with brackets 82, 84, respectively. The brackets 82 and 84 are fixed to the inner wall portion 78B of the housing portion 78, for example, and the reserve tanks 60 and 64 are fixed to the inner wall portion 78B via the brackets 82 and 84, respectively. In this way, with the reserve tanks 60 and 64 housed on the front portion 78F side of the housing portion 78, the water supply ports 60A and 64A of the reserve tanks 60 and 64 are arranged to face upward.

A plate-like upper wall portion 86 is provided on the front portion 78F side of the housing portion 78 formed by the front wall portion 78C, the outer wall portion 78A, the inner wall portion 78B, and the partition wall 78E of the housing portion 78 . The upper wall portion 86 is fixed to the front wall portion 78C, the outer wall portion 78A, the inner wall portion 78B, and the partition wall 78E by welding, bolts, or the like, for example, and the front portion 78F of the housing portion 78 is closed by the upper wall portion 86. be.

Here, as shown in FIG. 3, an opening 86A is formed in the upper wall portion 86, and the opening 86A can be opened and closed by an opening/closing lid 88. As shown in FIG. For example, a flange portion 86B protrudes toward the inside of the opening portion 86A from the inner edge portion of the opening portion 86A.

A fastening hole (not shown) is formed in the flange portion 86B, and a fastening hole communicating with the fastening hole is formed in the peripheral portion 88A of the opening/closing lid 88. As shown in FIG. Bolts can be inserted into these communication holes, and the opening/closing lid 88 is connected to the peripheral portion of the opening portion 86A, that is, the upper wall portion via the bolts and nuts provided on the back side of the flange portion 86B. 86. Therefore, by removing the opening/closing lid 88, the water supply ports 60A and 64A of the reserve tanks 60 and 64 are exposed through the opening 86A.

Further, on the rear portion 78R side of the housing portion 78 formed by the partition wall 78E, the outer wall portion 78A, the inner wall portion 78B, and the rear wall portion 78D of the housing portion 78, similarly to the front portion 78F side of the housing portion 78, a plate-shaped An upper wall portion 94 is provided. The upper wall portion 94 is fixed to the front wall portion 78C, the outer wall portion 78A, the inner wall portion 78B, and the partition wall 78E by welding, bolts, or the like, for example, and the rear portion 78R of the housing portion 78 is closed by the upper wall portion 94. .

On the other hand, the surface of the housing portion 78 is covered with a trim (trim member) 90 . A clip 92 is provided on the back side of the trim 90 , and the trim 90 is fixed to the surface of the housing portion 78 via the clip 92 . Specifically, the upper wall portion 86 provided on the front portion 78F side of the housing portion 78, the upper wall portion 94 provided on the rear portion 78R side of the housing portion 78, the inner wall portion 78B, and the rear wall portion 78D are A hole is formed in which the clip 92 can be locked, and the trim 90 is attached to the housing portion 78 by locking the clip 92 to the peripheral edge of the hole.

Here, in this embodiment, for example, the trim 90 includes a fixed portion 90A and a movable portion 90B. A portion of the trim 90 that is attached to the upper wall portion 86 that is fixed to the front portion 78F side of the housing portion 78 is a movable portion 90B. The movable portion 90B is movable with respect to the fixed portion 90A, and the upper side of the partition wall 78E that partitions the front portion 78F and the rear portion 78R of the accommodating portion 78 is defined as a boundary portion 90C, and the movable portion 90B is moved around the boundary portion 90C. It is rotatable.

That is, when the movable portion 90B is moved about the boundary portion 90C by removing the clip 92 on the movable portion 90B side, the upper wall portion 86 is exposed. Note that the boundary portion 90C may be set in advance, or may be set as appropriate by the user when the upper wall portion 86 is exposed. .

For example, an inspection opening 96 is provided in the fender panel 80, and when the inspection opening 96 is opened, the reserve tanks 60 and 64 can be exposed. A side wall of the reserve tanks 60, 64 is provided with a memory for checking the amount of cooling water stored in the reserve tanks 60, 64. It is possible to determine whether or not the amount of cooling water supplied is appropriate. Of course, on the side of the vehicle 12, the remaining amount of cooling water in the reserve tanks 60, 64 is detected by a level sensor, and if the amount of cooling water is inappropriate, an indicator lamp provided on the instrument panel 74 lights or blinks. may be set to

(Actions and Effects of Arrangement Structure of Reserve Tank)
Next, the operation and effects of the reserve tank arrangement structure 10 according to the present embodiment will be described.

As shown in FIGS. 2 and 3 , in the reserve tank arrangement structure 10 according to the present embodiment, the reserve tanks 60 and 64 are positioned closer to the vehicle width direction than the fender panels 80 provided at the front and side portions of the vehicle 12 . is placed inside the That is, in the present embodiment, even in a vehicle 12 in which an engine compartment is not provided on the vehicle front side of the vehicle interior 36, by arranging the reserve tanks 60 and 64 inside the fender panel 80 in the vehicle width direction, It becomes possible to secure the arrangement place of the reserve tanks 60 and 64 .

An upper wall portion 86 provided on the vehicle interior 36 side is arranged above the reserve tanks 60 and 64, and the upper wall portion 86 serves as water supply ports 60A and 64A of the reserve tanks 60 and 64. It is exposed to the vehicle interior 36 side. Thus, in this embodiment, the water supply ports 60A and 64A of the reserve tanks 60 and 64 are exposed to the vehicle interior 36 side, so that cooling water is supplied to the reserve tanks 60 and 64 from the vehicle interior 36 side. becomes possible. In other words, in this embodiment, cooling water can be supplied into the reserve tanks 60 and 64 without going outside the vehicle 98 .

Specifically, the upper wall portion 86 includes an opening portion 86A and an opening/closing lid 88 in this embodiment. An opening 86A is formed in the upper wall 86, and the water supply ports 60A and 64A of the reserve tanks 60 and 64 are exposed to the vehicle interior 36 through the opening 86A. An opening/closing lid 88 is provided on the upper wall portion 86 and opens and closes the opening portion 86A.

That is, by opening the opening 86A of the upper wall portion 86, the water supply ports 60A and 64A of the reserve tanks 60 and 64 are exposed to the vehicle interior 36 through the opening 86A. As a result, cooling water can be supplied to the reserve tanks 60 and 64 from the vehicle interior 36 side.

In particular, the vehicle 12 in this embodiment is a so-called frame vehicle, and is applied to a ride-sharing vehicle such as a bus as an example. In this embodiment, no engine compartment is provided on the vehicle front side of the vehicle interior 36, and the power unit 30 is provided below the driver's seat floor portion 40F. The reserve tanks 60 and 64 are provided above the power unit 30 and arranged inside the fender panel 80 in the vehicle width direction.

For this reason, the locations of the reserve tanks 60 and 64 in the present embodiment are, as a comparative example, not shown, a vehicle in which an engine compartment is provided on the front side of the vehicle interior, and a reserve tank is provided in the engine compartment. It will be placed in a higher position than if it were stowed. Therefore, when cooling water is supplied to the reserve tanks 60 and 64 from the vehicle exterior 98 side, the location of the reserve tanks 60 and 64 is too high to supply water.

On the other hand, in the present embodiment, the reserve tanks 60 and 64 are arranged at a higher position than when the reserve tanks are housed in the engine compartment of the vehicle as the comparative example, but the vehicle interior 36 side can be viewed from the vehicle interior 36 side. Since it is possible to supply cooling water to the reserve tanks 60 and 64, there is no need to go out of the vehicle 98, workability is good, and water supply is easy.

Further, in this embodiment, the surface of the housing portion 78 is covered with a trim 90 . As a result, although not shown, the design of the vehicle interior 36 is improved compared to the case where the upper wall portion 86 and the like of the housing portion 78 are exposed in the vehicle interior 36 .

Here, in this embodiment, the trim 90 includes a fixed portion 90A and a movable portion 90B. It is provided movably. That is, the upper wall portion 86 is exposed by the movement of the movable portion 90B.

As a result, normally, the movable portion 90B of the trim 90 is not moved, and the upper wall portion 86 is shielded by the movable portion 90B. It will be. By moving the movable portion 90B in this way, the upper wall portion 86 is exposed and the water supply ports 60A and 64A of the reserve tanks 60 and 64 can be exposed. Therefore, in this embodiment, it is not necessary to remove all the trims 90 when supplying water to the reserve tanks 60, 64, and the work can be simplified.

In this embodiment, an inspection hole 96 is provided in the fender panel 80, and a memory for checking the amount of cooling water stored in the reserve tanks 60 and 64 can be checked through the inspection hole 96. However, it is not limited to the inspection port 96 when checking the memory. For example, although not shown, it may be set so that the memory can be checked when the charging lid is opened.

Further, in this embodiment, an opening 86A is formed in the upper wall portion 86 forming the upper end portion of the housing portion 78, and the opening/closing lid 88 can be placed on a flange portion 86B formed in the inner edge portion of the opening 86A. The opening 86A can be opened and closed by pressing the opening 86A. is not limited to

For example, top wall 86 does not necessarily need opening 86A. In this case, for example, although not shown, a hinge portion is provided on the upper wall portion 86, and a portion of the upper wall portion 86 rotates about the hinge portion with respect to the other portion to rotate the water supply port 60A of the reserve tanks 60 and 64. , 64A may be set to be exposed.

Also, a part of the upper wall part 86 is slidable with respect to the other part, and a part of the upper wall part 86 slides and overlaps with the other part, so that the water supply ports 60A, 64A of the reserve tanks 60, 64 can be exposed. and may be set as follows.

Further, the reserve tanks 60, 64 may be set so that the water inlets 60A, 64A of either one of the reserve tanks 60, 64 can be exposed.

Further, in this embodiment, a reserve tank 60 for the radiator 58 and a reserve tank 64 for the radiator 62 are provided, but the radiator 62 can be separately mounted as an option. In other words, the radiator 62 may not be provided in the vehicle 12, in which case the reserve tank 64 is not required.

In addition, the present invention can be implemented with various modifications without departing from the scope of the invention. In addition, it goes without saying that the scope of rights of the present invention is not limited to the above embodiments.

10 Reserve tank arrangement structure 12 Vehicle 36 Vehicle interior 58 Radiator 60 Reserve tank 60A Water inlet 62 Radiator 64 Reserve tank 64A Water inlet 80 Fender panel (outer panel)
86 upper wall portion 86A opening portion 88 opening/closing lid 90 trim (trim member)
90A fixed part 90B movable part

Claims (4)

a reserve tank disposed inside in the vehicle width direction of outer plates provided on the front portion and the vehicle side portion of the vehicle and storing cooling water for the radiator;
an upper wall portion that is provided inside the vehicle interior, is disposed on the vehicle upper side of the reserve tank, and exposes a water supply port of the reserve tank to the interior of the vehicle;
Arrangement structure of the reserve tank. The upper wall portion
an opening that is formed in the upper wall and exposes a water supply port of the reserve tank to the interior of the vehicle;
an opening/closing lid provided on the upper wall for opening and closing the opening;
The arrangement structure of the reserve tank according to claim 1, comprising: 3. The arrangement structure of the reserve tank according to claim 1, wherein a trim member constituting an interior material of the vehicle interior is provided on the vehicle upper side of the upper wall portion. The trim member is
a fixing portion fixed to the interior of the vehicle;
a movable part provided movably with respect to the fixed part and exposing the upper wall part in a movable state;
4. The arrangement structure of the reserve tank according to claim 3, comprising:

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