JP2012030641A - Hood-lock striker mounting structure in vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hood-lock striker mounting structure in a vehicle capable of enhancing the safety of the vehicle while reducing the number of components.SOLUTION: The hood-lock striker 9 includes a reinforcement 10 welded and fixed to an inner panel 6, and a striker body 11 fixed to the reinforcement 10. One or a plurality of engaging pieces 12 for engaging the reinforcement 10 with the inner panel 6 when welding the reinforcement 10 to the inner panel 6 are formed on the inner panel 6 or the reinforcement 10. A longitudinal wall 12a for preventing any movement of the reinforcement 10 backward of the vehicle is formed in at least one engaging piece 12.

Description

  The present invention relates to a mounting structure of a hood lock striker in a vehicle, and more particularly to an improvement of a mounting structure that can improve safety while reducing the number of parts.

  An engine hood that covers the engine room of the vehicle is provided with a hood lock device for locking the engine hood to the vehicle body when the engine hood is closed. This hood lock device includes a latch provided on the vehicle body side, a reinforcement that is welded and fixed to an inner panel of the engine hood, and a striker body that is fixed to the reinforcement and engages and disengages with the latch. .

  However, in the conventional hood lock device, the reinforcement may be detached from the inner panel due to an impact at the time of a vehicle collision, and the engine hood may be opened. If the engine hood is opened, it will not be able to fully exhibit the shock absorbing function to absorb the impact force from the front while absorbing it, and a shock absorber for protecting pedestrians will be disposed in the engine hood. However, there was a problem that the effect could not be fully exhibited.

  Thus, as a structure that can reliably prevent the engine hood from opening even when the welded portion between the reinforcement and the inner panel is broken, there is a conventional structure disclosed in Patent Document 1, for example.

  In this conventional structure, the reinforcement and the hood frame are fastened by fastening at least a part of their fastening portions with bolts and nuts.

JP 2003-212154 A

  However, the hood lock striker mounting structure of Patent Document 1 has a problem in that the number of parts increases, the weight and cost increase, and the number of assembling steps increases as bolts and nuts are required.

  The present invention has been made in view of the above-described conventional situation, and can reduce the number of parts while preventing the drop of the reinforcement, thereby transmitting the impact force from the front to the rear and improving the safety of the vehicle. It is an object to provide a mounting structure for a hood lock striker in a vehicle.

  According to a first aspect of the present invention, there is provided a hood lock striker mounting structure for a vehicle, comprising an outer panel and an inner panel, wherein a hood lock striker of a hood lock device is attached to an inner surface of a front end portion of an engine hood that opens and closes an engine room. Includes a reinforcement that is welded and fixed to the inner panel, and a striker body that is fixed to the reinforcement, and the inner panel or the reinforcement has a reinforcement at the time of welding the reinforcement to the inner panel, One or a plurality of engagement pieces for engaging the reinforcement and the inner panel are formed, and at least one of the engagement pieces is formed with a vertical wall that prevents the movement of the reinforcement toward the rear of the vehicle. It is characterized by It is.

  According to invention of Claim 1, the engagement piece which engages both to the said inner panel or the said reinforcement is set, and also the vertical wall which prevents the backward movement of a reinforcement is set to at least one said engagement piece did. For this reason, even if the welded portion of the reinforcement breaks due to an impact at the time of a vehicle collision or due to aged deterioration, the reinforcement is prevented from falling off by the engagement piece and is moved rearward by the vertical wall. Therefore, the opening of the engine hood due to the displacement of the hood lock striker can be suppressed. As a result, the impact force from the front of the vehicle can be reliably transmitted to the rear, and the safety of the vehicle can be improved.

  Further, at the time of welding the reinforcement to the inner panel, the engagement piece can be used as a temporary stop of the reinforcement, and the vertical wall can be used for positioning the reinforcement in the vehicle front-rear direction. Assembly work is easy and productivity can be improved accordingly. In addition, the number of parts can be reduced and the increase in weight and cost can be suppressed by eliminating the need for separate members such as bolts and nuts.

It is a top view which shows the attachment structure of the food lock striker which concerns on Example 1 of this invention. It is sectional drawing (II-II sectional view taken on the line of FIG. 1) which shows the attachment structure of the said food lock striker. It is a perspective view which shows the procedure which engages a reinforcement with an engagement piece. It is a perspective view which shows the procedure which engages the said reinforcement with the said engagement piece. It is a perspective view which shows the state which welded and fixed the said reinforcement to the said engagement piece. It is a perspective view which shows the attachment structure of the food lock striker which concerns on Example 2 of this invention. It is a perspective view which shows the modification of the attachment structure of the hood lock striker which concerns on the said Example 2. FIG. It is a perspective view which shows the attachment structure of the food lock striker which concerns on Example 3 of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  1 to 5 are views for explaining a hood lock striker mounting structure in a vehicle according to a first embodiment of the present invention. In the present embodiment, left and right mean left and right when viewed from the front of the vehicle.

  In the figure, reference numeral 1 denotes a vehicle front portion. The vehicle front portion 1 includes an engine hood 4 that covers an upper opening of an engine room 3 formed at the front portion of the vehicle body 2.

  The engine hood 4 includes an outer panel 5 that forms an outer appearance surface, and an inner panel 6 that is disposed inside the outer panel 5 and supports the outer panel 5, and is disposed on the rear end side of the engine hood 4. The engine room 3 is supported by a hinge mechanism (not shown) so as to be opened and closed.

  The outer panel 5 and the inner panel 6 have a peripheral edge 4a of the engine hood 4 caulked by hemming, and are joined by an adhesive 7 or the like at appropriate places.

  A hood lock striker 9 constituting a hood side part of the hood lock device 8 is attached to the inner surface 4 b of the front end portion of the engine hood 4. The hood lock striker 9 includes a reinforcement 10 welded and fixed to the inner panel 6, and a striker body 11 fixed to the reinforcement 10.

  The striker body 11 is formed by bending a round bar into a substantially U shape, and both leg portions 11a and 11a are fixed to the reinforcement 10 by welding or caulking, and the lateral side portion 11b is suspended downward. is doing. The engine hood 4 is locked in a closed state by engaging the latch 19a of the lock body 19b constituting the vehicle body side part 19 of the hood lock device 8 with the lateral side portion 11b of the striker body 11. Yes.

  The reinforcement 10 is formed of a plate material thicker than the outer panel 5 and the inner panel 6 and is bent so as to have a plurality of bent portions in a side view (see FIG. 2), thereby the striker body 11 Is firmly held.

  The inner panel 6 is formed with engagement pieces 12 and 12 before and after the reinforcement 10 is engaged with the inner panel 6 when the reinforcement 10 is welded to the inner panel 6. The engaging pieces 12, 12 are arranged on a diagonal line connecting the engaging portions 10a, 10b before and after the reinforcement 10 (see FIG. 1).

  The front and rear engagement pieces 12 are formed by a so-called cut-and-raise process in which the inner panel 6 is notched in a bowl shape and protrudes downward, and the front and rear vertical walls 12a, 12a and , Left and right vertical walls 12d, 12d, a lower wall 12c, and an opening 12b.

  When welding the reinforcement 10 to the inner panel 6, first, the left and right side surfaces 10 c and 10 d of the reinforcement 10 are inserted into the openings 12 b and 12 b of the front and rear engagement pieces 12 and 12. However, the reinforcement 10 is moved in the direction of arrow A until the left and right side surfaces 10c and 10d abut on the left and right vertical walls 12d and 12d of the front and rear engagement pieces 12 and 12, respectively. Rotate to Thus, the reinforcement 10 is positioned in the width direction by the left and right vertical walls 12d and 12d, is positioned in the vehicle front-rear direction by the front and rear vertical walls 12a and 12a, and is further vertically moved by the lower wall 12c. Supported in the direction. The front and rear engaging portions 10a and 10b of the reinforcement 10 are welded and fixed to the lower walls 12c and 12c of the engaging piece 12, and the corner portions 10e and 10e of the reinforcement 10 are fixed to the inner panel 6 by welding. Is done.

  As described above, according to the first embodiment, the engagement pieces 12 and 12 are set before and after the reinforcement 10 is engaged with the inner panel 6, and the rearward movement of the reinforcement 10 is performed on the rear engagement piece 12. The vertical wall 12a after blocking was set. Therefore, even if the welded portion of the reinforcement 10 breaks due to an impact at the time of a vehicle collision or due to aged deterioration, the reinforcement 10 is prevented from dropping downward by the lower walls 12c and 12c of the engagement piece 12. In addition, since the rear vertical wall 12a prevents the rearward movement of the vehicle, the opening of the engine hood 4 due to the displacement of the hood lock striker 9 can be prevented. As a result, the impact force from the front of the vehicle can be reliably transmitted to the rear, and the collision safety of the vehicle can be improved.

  When the reinforcement 10 is welded to the inner panel 6, the reinforcement 10 can be temporarily fixed vertically by the lower walls 12c, 12c of the engagement pieces 12, 12, and the left, right Can be positioned in the vehicle width direction by the vertical walls 12d, 12d, and can be positioned in the front-rear direction by the front and rear vertical walls 12a, 12a, so that the welding assembly work of the reinforcement 10 to the inner panel 6 is easy. Productivity can be improved accordingly.

  Furthermore, bolts, nuts, and the like, which are separate members, are unnecessary, and accordingly, the number of parts can be reduced and an increase in weight and cost can be suppressed.

  6 and 7 are views for explaining a hood lock striker mounting structure in a vehicle according to a second embodiment of the present invention. In the figure, the same reference numerals as those in FIGS. 1 to 5 denote the same or corresponding parts. In the present embodiment, left and right mean left and right when viewed from the front of the vehicle.

  The hood lock striker 9 of the second embodiment includes a reinforcement 14 welded and fixed to the inner panel 6 and a striker body 11 fixed to the reinforcement 14. The inner panel 6 has left and right engaging pieces 13, 13 for engaging the reinforcement 14 with the inner panel 6 when the reinforcement 14 is welded to the inner panel 6. It is formed by cutting and raising.

  The left and right engagement pieces 13 and 13 are openings through which the vertical wall 13a for preventing the movement of the reinforcement 14 to the rear of the vehicle and the left and right engagement portions 14a and 14b of the reinforcement 14 are inserted. It has a portion 13b, lower walls 13c, 13c for supporting the left and right engaging portions 14a, 14b from below, and left and right vertical walls 13d, 13d for positioning in the vehicle width direction.

  When the reinforcement 14 is fixed to the inner panel 6 by welding, first, the left and right engaging portions 14a and 14b of the reinforcement 14 are inserted into the openings 13b and 13b of the left and right engaging pieces 13 and 13, respectively. Inserted in the direction of arrow B, the rear end surface 14e is brought into contact with the vertical walls 13a, 13a of the left and right engaging pieces 13, 13. Accordingly, the reinforcement 14 is positioned by the vertical walls 13a and 13a behind the left and right engaging pieces 13 and 13 and the left and right vertical walls 13d and 13d, and in this state, the left side of the reinforcement 14 is left. The right engaging portions 14a and 14b and the lower walls 13c and 13c of the left and right engaging pieces 13 and 13 are welded and fixed, and the front corner portions 14c and 14d are fixed to the inner panel 6 by welding. .

  According to the present embodiment, since the left and right engaging pieces 13 and 13 are formed on the inner panel 6, even when the welded portion is broken due to an impact at the time of a frontal collision, the hood lock striker 9 is dropped and Backward movement can be prevented, and the same effect as in the first embodiment can be obtained.

  Further, the reinforcement 14 can be positioned simply by moving the reinforcement 14 backward and engaging the left and right engaging pieces 13 and 13, and the assembly workability can be further improved.

  In the second embodiment, the left and right engaging pieces 13 and 13 are formed. However, in the present invention, as shown in FIG. Only one may be provided. In this case, the engagement piece 15 has a rear vertical wall 15a, an opening 15b, and a lower wall 15c.

  Further, the left and right engagement pieces 13 and 13 and the engagement piece 15 may be combined, and the engagement pieces may be arranged at three locations.

  FIG. 8 is a view for explaining a hood lock striker mounting structure in a vehicle according to Embodiment 3 of the present invention. In the figure, the same reference numerals as those in FIGS. 1 to 7 denote the same or corresponding parts. In the present embodiment, the terms “up”, “down”, “left”, and “right” mean “up”, “down”, “left”, and “right” when viewed from the front of the vehicle.

  The hood lock striker 9 of this embodiment includes a reinforcement 16 welded and fixed to the inner panel 6 and a striker body 11 fixed to the reinforcement 16. Further, the inner panel 6 is formed with a slit portion 18 having a length in the vehicle width direction and a length in the front-rear direction in which the reinforcement 16 can be inserted, and extending in the vehicle width direction.

  An engagement piece 17 that engages the reinforcement 16 with the inner panel 6 when the reinforcement 16 is welded to the inner panel 6 is formed at the vehicle rear end of the reinforcement 16.

  The engagement piece 17 has a vertical wall 16a and an insertion wall 16b formed to be bent on the rear side of the vehicle, and has an L shape in a side view.

  When the reinforcement 16 is fixed to the inner panel 6 by welding, first, the insertion wall 16b of the engagement piece 17 is inserted into the slit portion 18 in the direction of arrow C, and the vertical wall 16a is inserted into the rear portion of the slit portion 18. It is made to contact | abut to the edge part 18a.

  Thereby, the insertion wall 16b of the engaging piece 17 is supported in the vertical direction by the rear edge portion 18a of the slit portion 18, and the reinforcement 16 is positioned in the front-rear direction by the vertical wall 16a. In this state, the insertion wall 16b of the engagement piece 17 and the vicinity of the rear edge 18a of the inner panel 6 are fixed by welding.

  According to the present embodiment, the engagement piece 17 of the reinforcement 16 is engaged with the slit portion 18 of the inner panel 6, the insertion wall 16b is supported in the vertical direction, and the vertical wall 16a is brought into contact with the rear edge portion 18a. Since the rearward movement is prevented, the hood lock striker 9 can be prevented from falling off and moving backward even if the welded portion is broken due to an impact at the time of a frontal collision, and the same effects as those of the above embodiments can be obtained. It is done.

  In addition, it is only necessary to insert the engagement piece 17 formed on the reinforcement 10 into the slit portion 18 formed on the inner panel 6, and the structure is simple.

3 Engine room 4 Engine hood 4b Front end inner surface 5 Outer panel 6 Inner panel 8 Hood lock device 9 Hood lock striker 10, 14, 16 Reinforcement 11 Striker body 12, 13, 15, 17 Engagement pieces 12a, 13a, 15a, 16a Vertical wall

Claims (1)

In the mounting structure of the hood lock striker in the vehicle, which is composed of an outer panel and an inner panel and attaches the hood lock striker of the hood lock device to the inner surface of the front end portion of the engine hood that opens and closes the engine room.
The hood lock striker has a reinforcement that is welded and fixed to the inner panel, and a striker body that is fixed to the reinforcement, and the inner panel or the reinforcement includes the reinforcement panel to the inner panel of the reinforcement. At the time of welding, one or more engagement pieces for engaging the reinforcement and the inner panel are formed,
A mounting structure for a hood lock striker in a vehicle, wherein at least one of the engagement pieces is formed with a vertical wall that prevents movement of the reinforcement toward the rear of the vehicle.

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