JP2010105430A - Vehicle front structure and vehicle front installation method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem with a vehicle front structure in which a hood lock is disposed on a vehicle rear side of a radiator core support and fastened from a vehicle rearward direction, wherein the vehicle rear side of the radiator core support accommodates an engine and the like, so that it allows less space for fastening the hood lock from the vehicle rearward direction, thereby impairing work efficiency. <P>SOLUTION: The hood lock 16 is disposed at a rear wall portion 22 of the radiator core support 20 and a front wall hole 35 is provided in a front wall portion 21 at a position corresponding to a tightening member so that the hood lock 16 can be fastened with the fastening member from a vehicle frontward direction. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a vehicle front structure and a vehicle front assembly method in a hood lock of a vehicle hood.

In the front structure of the vehicle body, a hood lock corresponding to a striker provided on the hood is fastened to the rear surface side of the radiator core support. A structure in which the hood lock is fastened from the rear side of the vehicle is disclosed.
Japanese Patent Laid-Open No. 2003-306168

  However, in the prior art, since the hood lock is arranged on the vehicle rear side of the radiator core support and is fastened from the rear side of the vehicle, there is an engine or the like on the rear side of the radiator core support, and from the rear side of the vehicle The work space for fastening the hood lock is small and the workability is poor.

  In order to solve the above problems, the present invention provides a hood lock on the vehicle rear surface portion of the radiator core support, so that the hood lock can be fastened with a fastening member from the vehicle front side. Fastening work holes were provided at positions corresponding to the fastening members.

  According to the present invention, when the hood lock is disposed on the vehicle rear surface side of the radiator core support, the fastening operation can be performed from the vehicle front side, so that the work space is not deteriorated in the peripheral parts such as the engine, A hood lock can be fastened.

(Example 1)
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.
The configuration of the vehicle front structure in the first embodiment will be described.

  As shown in FIGS. 1 and 2, the engine hood 10 as a hood covers the upper part of the engine room ER and is provided with a hinge mechanism 13 at the rear to be rotatably supported. The engine hood outer 11 and the engine hood inner 12 It is configured. A striker 15 that protrudes downward from the engine hood inner 12 is fixed to the front portion of the engine hood 10 at a position near the center in the vehicle width direction.

  The hood lock 16 is engaged with a striker 15 fixed to the engine hood 10. Further, as shown in FIGS. 2 and 3, a nut 30 as a member to be fastened is fixed to the hood lock 16 by welding or the like, so that a bolt 25 as a fastener can be fastened. The bolt 25 and the nut 30 are fastening members. Furthermore, the hood lock 16 is provided with a hood lock hole 31 that penetrates the surface to which the nut 30 is fixed and the back surface thereof and is formed in a size that allows the shaft portion 27 of the bolt 25 to be inserted. Note that a screw groove may be provided in the hood lock hole 31 without setting the nut 30 so that the bolt 25 can be fastened.

  As shown in FIG. 1, the radiator core support 20 is disposed in the vehicle front portion of the engine room ER and above the radiator R, and extends in the vehicle width direction. Further, as shown in FIG. 2, the radiator core support 20 includes a front wall portion 21 as a vehicle front portion and a rear wall portion 22 as a vehicle rear surface portion spaced apart from each other in the vehicle front-rear direction, and the front wall portion 21. And an upper surface portion 28 connecting the upper ends of the rear wall portion 22 and the rear wall portion 22. With this configuration, the radiator core support 20 is formed in a reverse U-shaped cross section by the front wall portion 21, the rear wall portion 22, and the upper surface portion. Further, as shown in FIG. 1, bumper rubbers 23 that are formed of an elastic body such as rubber and are in contact with the engine hood inner 12 to suppress vibration of the engine hood 10 are provided on both sides of the upper surface portion 28 in the vehicle width direction. Is provided.

  As shown in FIGS. 1, 4, and 5, a plurality of rear wall holes 36 as vehicle rear surface holes are provided in the vehicle vertical direction substantially central part of the rear wall part 22 of the radiator core support 20 in the vehicle vertical direction. It has been. Further, the rear wall hole 36 is formed as a long hole having a vehicle width direction as a short axis and a vehicle vertical direction as a long axis so that the shaft portion 27 of the bolt 25 can be inserted. The short axis is substantially equal to the width of the shaft portion 27, and the long axis is formed longer than the width of the shaft portion 27.

  As shown in FIGS. 1 and 2, the front wall hole 35 as a fastening work hole allows the tool 60 to be inserted from the vehicle vertical direction substantially central portion of the front wall portion 21 of the radiator core support 20 in the vicinity of the vehicle vertical direction central portion. As described above, a plurality of bullet-shaped elongated holes extending in the vehicle vertical direction are arranged in the vehicle width direction. As shown in FIG. 5, the front wall holes 35 are formed larger than the rear wall holes 36 so as to include the rear wall holes 36 in the front view, and are provided in the same number as the rear wall holes 36.

  As shown in FIGS. 2 and 4, the radiator core support lower 40 is formed in an inverted U-shaped cross-section so as to close the lower portion thereof, and the rear wall hole 36 is disposed above the radiator core support lower 40. The end faces 43 in the vehicle front-rear direction are fixed to the back surfaces of the front wall portion 21 and the rear wall portion 22 of the radiator core support 20 by welding or the like. The lower end of the inverted U-shaped end surface 43 of the radiator core support lower 40 substantially coincides with the lower ends of the front wall portion 21 and the rear wall portion 22.

  In addition, as shown in FIGS. 4 and 5, the radiator core support lower 40 has a radiator core support lower recess 42 as a recess between the front wall hole 35 and the rear wall hole 36, and toward the front wall hole 35. A downward inclined surface 41 is provided as an inclined portion inclined downward with respect to the vehicle width direction.

  The radiator core support lower 40 has the upper surface of the radiator core support lower 40 substantially coincided with the lower end of the bullet-like long hole of the front wall hole 35, as shown in FIGS. Note that, as shown in FIG. 4, even if the step G has occurred, this step G is also substantially the same as long as the bolt 25 on the radiator core support lower 40 can be removed with a finger. I reckon.

  As shown in FIG. 6, the position adjustment device 70 as the hood lock adjustment device includes a main body member 73, a movable member 77, a rotation lever 72, a spring 76, a spring pressing member 78, and a pin 81. Yes.

  As shown in FIG. 6, the main body member 73 has a fixing lever 71 fixed to the upper part of the main body member side surface 85 by fastening or welding. Further, a pair of body member flanges 84 protruding from the body member side surface 85 and provided with body member pin insertion holes 83 are provided below the body member side surface 85 to which the fixing lever 71 is fixed.

  Further, the main body member 73 has an upper pressing portion 74 that can come into contact with the engine hood outer 11 fixed to the upper portion of the front surface 86 of the main body member by fastening or welding.

  Further, the main body member 73 is provided with a rod-shaped member insertion hole 89 that penetrates the main body member upper surface 87 and the main body member lower surface 88. Further, a rotation lever insertion hole 91 is provided between the main body member flanges 84 on the main body member side surface 85 and is connected to the rod-shaped member insertion hole 89.

  The rotation lever 72 is provided with a tip end portion 95 capable of contacting the main body member 73 and a rotation lever pin insertion hole 82 through which the pin 81 can be inserted. Further, the rotation lever 72 is disposed between the body member flanges 84 and is passed through the rotation lever insertion hole 91 so that the tip 95 can be brought into contact with the inner surface of the rotation lever locking hole 80. The main body member pin insertion hole 83 and the rotation lever pin insertion hole 82 are pivotally supported by a pin 81 that passes through the body member pin insertion hole 83 and the rotation lever pin insertion hole 82.

  The movable member 77 includes a lower pressing portion 75 and a rod-shaped member 79. A pair of lower pressing portions 75 are fixed to the lower portion of the rod-shaped member 79 with a pair of claw portions 90 spaced apart in the width direction so that the lower portion of the radiator core support 20 can be pressed. As shown in FIGS. 6, 8, and 9, the rod-shaped member 79 has a rotation lever locking hole 80 so that the tip end portion 95 of the rotation lever 72 that rotates can be locked. The movable member 77 is inserted through the rod-shaped member 79 from the body member lower surface 88 side of the rod-shaped member insertion hole 89 of the body member 73, and the upper portion of the rod-shaped member 79 is protruded from the body member upper surface 87. A spring 76 is arranged on the outer peripheral side of the protruding rod-shaped member 79, and a spring pressing member 78 is fixed to the upper end of the rod-shaped member 79 by fastening or welding so as to come into contact with the upper end of the spring 76.

  Next, a vehicle front assembly method for fastening the hood lock 16 to the radiator core support 20 in the first embodiment will be described.

  The hood lock 16 is disposed on the rear wall portion 22 of the radiator core support 20, and the rear wall hole 36 provided in the rear wall portion 22 is aligned with the hood lock hole 31 of the hood lock 16.

  From the front side of the vehicle, with the bolt 25 attached to the tip of the tool 60, insert the tool 60 with the bolt 25 attached through the front wall hole 35 provided in the front wall portion 21 of the radiator core support 20, The shaft portion 27 is passed through the rear wall hole 36 and the hood lock hole 31, and the hood lock 16 and the rear wall portion 22 are temporarily fastened by the bolt 25 and the nut 30. The temporary fastening refers to a loose fitting state in which the bolt 25 and the nut 30 are not completely tightened, and refers to a state in which the hood lock 16 can be moved by applying an external force to the hood lock 16.

  Next, the engine hood 10 is closed and the striker 15 and the hood lock 16 are brought into a fitted state. Then, with the engine hood 10 closed, the hood fitted with the striker 15 provided at the front of the engine hood 10 by pushing the upper surface of the engine hood outer 11 downward and moving the engine hood 10 downward. By moving the lock 16 downward, it is possible to adjust the clearance and surface difference between the engine hood 10 and peripheral parts such as a headlamp (not shown), the amount of crushing of the bumper rubber 23, and the like.

  The means for moving the engine hood 10 downward and moving the hood lock 16 downward can also be performed using a position adjusting device 70 as a hood lock adjusting device.

  The position adjustment device 70 holds the fixed lever 71 and the rotation lever 72 from the stationary state shown in FIG. 8, and rotates the rotation lever 72 in the X direction as shown in FIG. The tip 95 is moved in the Y direction. By moving the distal end portion 95 of the rotation lever 72 in the Y direction, the rotation lever 72 contacts the rod-shaped member 79, and the movable member 77 integrated with the rod-shaped member 79 is moved in the Z direction. As the movable member 77 moves in the Z direction, the spring pressing member 78 integrated with the movable member 77 also moves in the Z direction. Increase the distance C between the lower retainers 75. With the distance C between the upper pressing portion 74 and the lower pressing portion 75 widened, as shown in FIG. 2, the upper pressing portion 74 of the position adjusting device 70 is placed at the front of the engine hood outer 11 and the lower pressing portion 75 is The claw 90 is aligned with the lower end of the front wall 21 of the radiator core support 20 and the movable lever 72 is released.

  By releasing the rotating lever 72, the spring 76 pushes up the spring pressing member 78 by the urging force that returns the spring 76 to a stationary state, and the entire movable member 77 is moved in the direction opposite to the Z direction. By reducing the distance C between the holding parts 75, the closed engine hood 10 and the lower part of the radiator support 20 are clamped, and the hood lock 16 can be moved downward by moving the engine hood outer 11 downward. it can.

  Next, the tool 60 is inserted from the front wall hole 35 toward the bolt 25 temporarily fastening the hood lock 16 from the front wall hole 35, the tip of the tool 60 is applied to the head 26 of the bolt 25, and the tool 60 Then, the bolt 25 is tightened, and the hood lock 16 and the rear wall portion 22 are finally fastened by the bolt 25 and the nut 30.

(Example 2)
Next, the configuration of the vehicle front structure in the second embodiment of the present invention will be described.
Note that the same components as those in the first embodiment are denoted by the same reference numerals, and redundant description is omitted.

  As shown in FIG. 10, the radiator core support 120 is configured by a front wall portion 121 provided with a front wall hole 135 with respect to the aforementioned radiator core support 20.

  As shown in FIG. 10, the front wall hole 135 is provided in the front wall portion 121 so that the tool 60 for tightening the bolt 25 can be inserted. The size of the front wall hole 135 is set so that a clearance can be secured with the tool 60 applied directly to the head 26 of the bolt 25, and the tool 60 can access the bolt 25 of the rear wall portion 22. .

  The lower end of the front wall hole 135 is set downward with respect to the upper surface of the radiator core support lower 40 as shown in FIG.

  Since the vehicle front assembly method for fastening the hood lock 16 to the radiator core support 120 in the second embodiment is the same as that in the first embodiment, a description thereof will be omitted.

(Example 3)
Next, the configuration of the vehicle front structure according to the third embodiment of the present invention will be described.
Note that the same components as those in the first and second embodiments are denoted by the same reference numerals, and redundant description is omitted.

  As shown in FIG. 11, the radiator core support 220 is configured by a front wall portion 221 provided with a front wall hole 235 and a rear wall portion 222 provided with a rear wall hole 236 with respect to the aforementioned radiator core support 20. The

  As shown in FIG. 11, a bolt 225 as a member to be fastened is fixed to the hood lock 216 by welding or the like, so that a nut 230 as a fastener can be fastened. In addition, a hood lock hole 231 is formed which penetrates the back surface of the hood lock 216 to which the head portion 226 of the bolt 225 is fixed and has a size capable of inserting the shaft portion 227 of the bolt 225.

Since the operation for fastening the hood lock 216 to the radiator core support 220 in the third embodiment is the same as that in the first embodiment, a description thereof will be omitted.
Next, the effect in this invention is demonstrated.

  According to the present invention, when the hood lock 16 is disposed on the rear wall portion 22 of the radiator core support 20, the front wall portion 21 is provided with the front wall hole 35. Therefore, the front wall hole 35 on the vehicle front side is provided. Fastening work can be performed, and the hood lock 16 can be fastened to peripheral parts such as an engine without deteriorating the work space.

  In addition, the hood lock 16 is arranged on the rear wall portion 22 of the radiator core support 20, the position of the hood lock 16 can be adjusted with the engine hood 10 closed, and the bolt 25 can be tightened from the front side of the vehicle. Is easy.

  Since the front wall hole 35 is formed as a long hole and has a size that secures a gap with respect to the tool 60, the temporarily tightened hood lock 16 and bolt 25 are moved downward by adjusting the position. Alternatively, the tool 60 can be inserted from the front wall hole 35 and the head portion 26 of the bolt 25 on the rear surface portion 22 can be tightened.

  Since the radiator core support lower 40 is disposed so as to close the lower side of the radiator core support 20, the area of the closed cross section closed by the radiator core support 20 and the radiator core support lower 40 can be increased. The strength and rigidity of the support 20 can be increased.

  Since the lower end of the front wall hole 35 is provided so as to substantially coincide with the upper surface of the radiator core support lower 40, it is easier to take out the bolt 25 that has been accidentally dropped on the radiator core support lower 40 from the front wall hole 35. Can do. Furthermore, when the radiator core support 20 and the radiator core support lower 40 are integrally electrodeposited, the coating solution can be easily discharged from the front wall hole 35, and water that has entered the front wall hole 35 during running can be removed. It can be made easier to discharge from the front wall hole 35.

  Since the lower end of the front wall hole 135 is provided below the radiator core support 40, the positional accuracy in the vehicle vertical direction in which the radiator core support lower 40 is attached to the radiator core support 120 can be relaxed.

  Since the radiator core support lower 40 is provided with the downward inclined surface 41 that is inclined downward toward the front wall hole 35, the bolt 25 is prevented from moving in the vehicle width direction, and the radiator core support lower 40 is dropped on the radiator core support lower 40. The bolt 25 is moved to the front wall hole 35 by the action of gravity, and the dropped bolt 25 can be easily taken out from the front wall hole 35. In addition, the above-described coating solution and intruded water can be easily discharged by the action of gravity.

  Since the rear wall hole 36 is arranged above the radiator core support lower 40, even if the bolt 25 falls downward when attempting to insert the bolt 25 toward the rear wall hole 36, the bolt 25 remains in the radiator core. The trouble of falling on the support lower 40 and searching for the dropped bolt 25 can be saved.

  Since the rear wall hole 36 is formed as a long hole, when the position of the hood lock 16 is adjusted, the hood lock 16 and the bolt 25 that are temporarily tightened together are integrated with each other and the hood lock 16 is temporarily tightened. Can be moved to.

  Since the front wall hole 35 is formed larger than the rear wall hole 36 so as to include the rear wall hole 36, even if the hood lock 16 is moved by position adjustment, the tool 60 is inserted from the front wall hole 35, The tool 60 can be applied straight to the head 26 of the bolt 25 and tightened.

  Since the radiator core support lower recess 42 is provided between the front wall hole 35 and the rear wall hole 36 of the radiator core support lower 40, the tool 60 with the bolt 25 attached to the tip is moved from the front wall hole 35 to the rear wall hole. Even if the bolt 25 is detached and dropped while moving to 36, it is possible to save the trouble of searching for the dropped bolt 25 by retaining the bolt 25 in the radiator core support lower recess 42.

  Since the nut 30 is provided on the hood lock 16, when inserting the shaft portion 27 of the bolt 25 into the hood lock hole 31, the hood lock 16 can be moved along with the rear wall hole 36 while holding the hood lock 16 by hand. Work can be facilitated.

  When the hood lock 16 is disposed on the rear wall 22, the hood lock 16 is fastened from the rear side of the vehicle with the engine hood 10 opened, so the hood lock 16 temporarily tightened with the engine hood 10 closed. Thus, the bolt 25 was tightened from the front side of the vehicle with the engine hood 10 closed, and the main fastening could not be performed. However, the front wall portion 21 is provided with a front wall hole 35, and the fastening operation of the hood lock 16 is performed through the front wall hole, so that the temporarily tightened hood lock 16 is closed with the engine hood 10 closed. The position can be adjusted to enable final fastening from the front side of the vehicle.

  Since the position adjustment device 70 holds the front portion of the engine hood outer 11 and the lower portion of the radiator core support 20, the size of the device can be reduced, and the labor required to carry the position adjustment device 70 for setting the work position can be reduced. Can be reduced.

  Note that the embodiment of the present invention is not limited to the above, and other various aspects can be adopted. For example, the first embodiment and the second embodiment may be combined, or the first embodiment A combination of the first embodiment and the third embodiment, or a combination of the second embodiment and the third embodiment may be used.

1 is a perspective view showing a vehicle front structure according to a first embodiment of the present invention. 1 is a side view showing a vehicle front structure and a vehicle front assembly method according to a first embodiment of the present invention. (Cross section I-I) 1 is a plan view showing a hood lock according to a first embodiment of the present invention. 1 is a side view showing a vehicle front structure and a vehicle front assembly method according to a first embodiment of the present invention. 1 is a front view showing a radiator core support according to a first embodiment of the present invention. (Cross section II-II) 1 is a perspective view showing a hood lock position adjusting device according to a first embodiment of the present invention. 1 is a perspective view showing a hood lock position adjusting device according to a first embodiment of the present invention. 1 is a side view showing a hood lock position adjusting device according to a first embodiment of the present invention. (Cross section III-III) 1 is a side view showing a hood lock position adjusting device according to a first embodiment of the present invention. (Cross section III-III) The side view which shows the vehicle body front part structure in the 2nd Example of this invention. The side view which shows the vehicle front part structure in the 3rd Example of this invention, and the vehicle front assembly | attachment method.

Explanation of symbols

15 striker
16 Food lock
20 Radiator core support
21 Front wall
22 Rear wall
31 Hood lock hole
35 Front wall hole
36 Rear wall hole
40 Radiator core support lower
70 Positioning device

Claims (13)

A striker provided at the front of the openable hood;
In the vehicle body front part structure corresponding to the striker and having a hood lock arranged on the radiator core support,
The radiator core support has a vehicle front surface portion and a vehicle rear surface portion that extend in the vehicle width direction and are separated from each other in the vehicle front-rear direction.
Fastening the hood lock with a fastening member on the rear surface of the vehicle,
The vehicle front structure, wherein the vehicle front portion has a fastening work hole at a position corresponding to the fastening member so that the fastening member can be fastened from the front side of the vehicle. 2. The vehicle front structure according to claim 1, wherein the fastening work hole is formed by a long hole in a vehicle vertical direction. 3. The vehicle front structure according to claim 1, further comprising a radiator core support lower so as to close a lower portion of the radiator core support below the vehicle. 4. The vehicle front structure according to claim 3, wherein a lower end of the fastening work hole substantially coincides with an upper surface of the radiator core support lower. 4. The vehicle front structure according to claim 3, wherein a lower end of the fastening work hole is located below an upper surface of the radiator core support lower. 6. The vehicle front structure according to claim 3, wherein an upper surface of the radiator core support lower is formed to be inclined downward with respect to a vehicle width direction toward the fastening work hole. The vehicle rear surface portion of the radiator core support is provided with a vehicle rear surface hole, the vehicle rear surface hole is disposed above the radiator core support lower, and the fastening member is fastened through the vehicle rear surface hole. The vehicle front structure according to 3 to 6. 8. The vehicle front structure according to claim 7, wherein the vehicle rear surface hole is formed by a long hole in a vehicle vertical direction. 9. The front of the vehicle according to claim 7, wherein the size of the fastening work hole is larger than the size of the vehicle rear surface hole so as to include the vehicle rear surface hole in a front view of the vehicle. Part structure. 10. The vehicle front structure according to claim 7, wherein the radiator core support lower has a recess between the fastening work hole and the vehicle rear surface hole. 2. The vehicle front part structure according to claim 1, wherein the fastening member includes a fastened member and a fastener, and the hood lock has a fastened part. A striker provided at the front of the openable hood;
A food lock corresponding to the striker;
A radiator core support having a vehicle front surface portion and a vehicle rear surface portion spaced apart from each other in the vehicle longitudinal direction,
A vehicle front assembly method for assembling the hood lock to the radiator core support,
Temporarily fastening the hood lock to the vehicle rear surface with a fastening member;
By pushing down the closed hood and moving the hood lock temporarily fastened to the rear surface of the vehicle, the position of the hood lock is adjusted,
A vehicle front part assembling method characterized in that the fastening member temporarily fastened from the front side of the vehicle is finally fastened through a fastening work hole provided in the vehicle front part. 13. The vehicle front assembly according to claim 12, wherein the position of the hood lock is adjusted using a hood lock adjusting device that sandwiches the closed front portion of the hood and the lower portion of the radiator core support. Method.