Vehicle

1. A vehicle comprising:

a seat for a passenger to sit in;

an upper frame located over the seat when the vehicle is seen from a side, the upper frame extending in a vehicle front-rear direction;

a door located under the upper frame and to a side of the seat, the door including an inner wall facing the seat and an outer wall located on an opposite side from the inner wall;

an opening provided between the upper frame and the door when the vehicle is seen from the side;

a hinge attached to a front end portion of the door, the hinge supporting the door so that the door pivots in a vehicle left-right direction;

a latch attached to the door and releasable only from an inner wall side of the door;

a lever pivotally attached to a portion of the inner wall of the door that is located above a middle position of the door in an up-down direction and forward of the latch; and

an interlocking shaft extending in the vehicle front-rear direction and including a first link portion linked to the lever and a second link portion linked to the latch; wherein

the interlocking shaft is configured to move in the vehicle front-rear direction when the lever is pivoted to interlock the latch;

the first link portion and the second link portion are located at opposite ends of the interlocking shaft; and

the outer wall of the door does not include a lever that releases the latch.

2. The vehicle according to claim 1 , wherein the door includes a first upper edge and a second upper edge extending, at an angle with respect to the first upper edge, continuously from a rear end of the first upper edge; and

at least a portion of the lever is located under the second upper edge.

3. The vehicle according to claim 1 , wherein the lever includes a lever body linked to the first link portion of the interlocking shaft, and a support shaft extending in a vertical direction to pivotally support the lever body.

4. The vehicle according to claim 3 , wherein the lever body includes a handle extending forward of the support shaft.

5. The vehicle according to claim 1 , wherein the lever includes a lever body linked to the first link portion of the interlocking shaft, and a support shaft extending in a vehicle width direction to pivotally support the lever body.

6. The vehicle according to claim 1 , wherein the door includes an inner wall member including the inner wall, and an outer wall member including the outer wall; and

the inner wall member and the outer wall member are assembled together.

7. The vehicle according to claim 6 , wherein the interlocking shaft is located between the inner wall member and the outer wall member.

8. The vehicle according to claim 7 , wherein the inner wall member includes an opposing wall opposing the outer wall member;

the opposing wall includes a depressed portion; and

the interlocking shaft is located in the depressed portion of the opposing wall.

9. The vehicle according to claim 6 , wherein the inner wall member and the outer wall member are each made of a resin material.

10. The vehicle according to claim 6 , wherein the inner wall member and the outer wall member are made of different kinds of resin materials.

11. A vehicle comprising:

a seat for a passenger to sit in;

an upper frame located over the seat when the vehicle is seen from a side, the upper frame extending in a vehicle front-rear direction;

a door located under the upper frame and to a side of the seat, the door including an inner wall facing the seat and an outer wall located on an opposite side from the inner wall;

an opening provided between the upper frame and the door when the vehicle is seen from the side;

a hinge attached to a front end portion of the door, the hinge supporting the door so that the door pivots in a vehicle left-right direction;

a latch attached to the door;

a lever pivotally attached to a portion of the inner wall of the door that is located above a middle position of the door in an up-down direction and forward of the latch; and

an interlocking shaft extending in the vehicle front-rear direction and including a first link portion linked to the lever and a second link portion linked to the latch; wherein

the interlocking shaft is configured to move in the vehicle front-rear direction when the lever is pivoted to interlock the latch;

the inner wall of the door includes a depressed portion;

the lever is attached to the depressed portion; and

the lever is located closer to the outer wall of the door than a peripheral portion of the depressed portion of the inner wall of the door.

12. A vehicle comprising:

a seat for a passenger to sit in;

an upper frame located over the seat when the vehicle is seen from a side, the upper frame extending in a vehicle front-rear direction;

a door located under the upper frame and to a side of the seat, the door including an inner wall facing the seat and an outer wall located on an opposite side from the inner wall;

an opening provided between the upper frame and the door when the vehicle is seen from the side;

a hinge attached to a front end portion of the door, the hinge supporting the door so that the door pivots in a vehicle left-right direction;

a latch attached to the door;

a lever pivotally attached to a portion of the inner wall of the door that is located above a middle position of the door in an up-down direction and forward of the latch; and

an interlocking shaft extending in the vehicle front-rear direction and including a first link portion linked to the lever and a second link portion linked to the latch; wherein

the interlocking shaft is configured to move in the vehicle front-rear direction when the lever is pivoted to interlock the latch; and

when the door is closed, a front end of the lever is located rearward of a front end of the seat and forward of a middle position of the seat in the vehicle front-rear direction.