JP4839732B2 - Vehicle hood structure - Google Patents

Description

  The present invention relates to a hood structure for a vehicle that is disposed at a front portion of a vehicle body and is supported so as to be opened and closed.

Conventionally, as shown in Patent Document 1 below, a first link supported swingably on a first support shaft provided on the vehicle body side and a second support shaft provided on a hood as a fulcrum The urging force of the urging means for urging the rear end of the hood upward when the vehicle collides with an obstacle by locking the second link supported so as to be swingable with a shear pin. Accordingly, there is known a vehicle hood structure in which the shear pin is broken and the first and second links are extended to hold the rear end portion of the hood in the lifted position.
European Patent Application No. 1078826

  According to the vehicle hood structure disclosed in Patent Document 1, when the hood is opened or closed, the first and second links are integrally connected by the share pin to prevent rattling of both members. In this state, the hood can be opened and closed smoothly, and the hood can be maintained in a stable closed state when the vehicle is traveling. In addition, if an accident such as a traveling vehicle colliding with an obstacle occurs, the first link and the second link may be extended by breaking the shear pin according to the urging force of the urging means. Since the rear part of the hood is forcibly lifted up, there is an advantage that when the obstacle collides with the upper surface of the hood, a sufficient amount of downward displacement of the hood can be secured to effectively absorb the collision load. .

  However, when it is configured to allow the first and second links to be in an extended state by breaking the shear pin according to the urging force of the urging means at the time of a vehicle collision as described above, When the rear end of the hood is lowered after the urging means is actuated and re-traveled, unless the first link and the second link are connected together using a new shear pin, the vibration during travel There is a problem that the rear part of the hood moves up and down, and abnormal noise is generated.

  The present invention has been made in view of the above-described problems, and releases the connection state between the hood and the link member when necessary, and easily performs an operation of connecting the link member and the hood again. It aims at providing the hood structure of the vehicle which can do.

The invention according to claim 1 is provided at the front portion of the vehicle body so as to be openable and closable, and the front end portion is configured to be lockable to the vehicle body, and the rear portion of the hood with the front end lock portion as a fulcrum. a push-up drive means for driving in the direction for pushing up, swingably and a pivoted link member as a fulcrum pivot portion provided in the vehicle body, pivotally to one end of the link member to the vehicle body by a first pivot portion The other end of the link member is pivotally supported on the hood by the second pivotal support, and the link member is pivotally displaced about the second pivotal support to be separated from the hood by the regulating means. configuration was a hood structure for a vehicle, the above link member, the guide groove extending in the front lower side of the vehicle body are provided, the second pivot portion composed of a connecting pin provided on the hood side to the guide groove Sliding along Capable supported, the regulating means, the locking to be engaged with the guide portion extending to the rear lower side of the vehicle body is provided on one of the hood or the link member, provided on the other of the hood or the link member to the guide portion The link member and the rear end portion of the hood are maintained in an integrally connected state by locking the locking member at a restricting position provided in the guide portion at the normal time. The locking member is displaced from the restriction position of the guide portion to the restriction release position according to the urging force of the push-up drive means when a collision accident occurs, and the link member and the hood are released from the connected state, and the push-up position The link member is returned to a state integrally connected to the rear portion of the hood by displacing the locking member to the restriction position of the guide portion in accordance with an operation of pressing the rear portion of the hood downward. It is those that are configured.

  According to a second aspect of the present invention, in the vehicle hood structure according to the first aspect, one end of the guide portion is opened, and the locking member is engaged and disengaged in the guide portion through the open end. Is.

  According to a third aspect of the present invention, in the hood structure for a vehicle according to the second aspect, the guide width of the guide portion is configured to increase toward the opening side end portion.

According to a fourth aspect of the present invention, in the hood structure for a vehicle according to any one of the first to third aspects, a guide portion or a locking member provided on the hood is provided with a protruding portion that protrudes downward. A stopper member for restricting the rearward displacement of the protruding portion is provided on the vehicle body side.

According to the first aspect of the present invention, when a collision accident occurs in which the front end of the vehicle body comes into contact with an obstacle, the rear end of the hood or the like is biased upward according to the driving force of the push-up driving means. The second pivot portion is slid along the guide groove portion to swing the hood with the front end portion as a fulcrum to raise the rear end portion of the hood, and the link member with the first pivot portion as a fulcrum. The front end of the hood is smoothly pushed upward to move the locking member to the rear lower part of the vehicle body or the upper part of the front part along the guide part to properly release the connection state between the link member and the rear end of the hood. Since the rear part of the hood can be raised, a sufficient amount of hood to be lowered when the obstacle falls over the hood, etc., and an impact load that acts on the obstacle by deforming the hood, etc. Effectively relieve You bet you can. Then, after the occurrence of a collision accident, when shifting lowers the rear portion of the hood from the raised position to the initial state, the restriction of the guide portion the locking member to press the rear part of the full over de downward By displacing from the release position to the restricting position, it is possible to easily and reliably return to the original state without requiring complicated work such as connecting the link member and the hood using a new connecting member. it can.

  According to the invention of claim 2, the locking member is moved from the locking position of the guide portion to the outside of the guide portion while preventing an increase in size of the hood side bracket or the link member on which the guide portion is formed. There is an advantage that it is possible to easily shift to the restriction release position.

  According to the third aspect of the invention, the locking member is slid to the restricting position of the guide portion to prevent rattling of the locking member and stably lock the link member to the hood. In addition, there is an advantage that the locking member can be smoothly introduced into the guide portion when the locking member is shifted from the restriction release position to the restriction position.

According to the fourth aspect of the present invention, when the hood is pushed to the rear side of the vehicle body in response to an impact load that is applied when a front collision occurs when the vehicle body collides with a front obstacle, the protrusion of the protrusion is retracted. Therefore, the occurrence of a situation in which the hood moves backward and damages the windshield can be effectively prevented with a simple configuration.

  1 to 6 show an embodiment of a vehicle hood structure according to the present invention. The hood structure of the vehicle is fixed by, for example, bolting a hood 1 disposed so as to cover the upper surface of the engine room and supported to be opened and closed, and a rear upper surface of the front fender 2 which is a vehicle body member. The hinge bracket 3, the link member 5 whose base end portion is pivotally supported by a first pivotal support portion 4 made of a hinge pin or the like provided on the hinge bracket 3, and a pair of front and rear mounting bolts 6, specifically, the hood 1. Has a hood side bracket 7 fixed to the lower surface of the rear portion of the hood inner panel 1a, and the hood side bracket 7 is provided with a locking member 8 comprising an engagement pin constituting a restricting means described later. .

  The hood side bracket 7 has a pair of left and right side plates 9 and an upper surface plate 10 that connects the upper end portions thereof, and has a U-shaped cross section whose lower surface is opened by bending a highly rigid body such as a steel plate material. It is formed in a shape. The top plate 10 of the hood side bracket 7 is formed with a notch groove 11 and an insertion hole 12 that serve as an insertion portion for the mounting bolt 6. Further, the side plate 9 of the hood side bracket 7 is formed with an insertion hole 14 of a second pivotal support portion 13 composed of a connecting pin pivotally supporting the tip end portion of the link member 5 at the front end portion, and the lower end portion is outward. A widened portion 15 that is widened to the side is formed at a central portion in the front-rear direction (see FIG. 5).

  And the guide part 16 which consists of a notch groove extended toward the rear part lower side of a vehicle body is formed in the rear-end part of the said side plate 9. As shown in FIG. The guide portion 16 is formed so as to be widened so that the rear end portion thereof is opened and the guide width formed by the groove width increases toward the opening end portion (rear end portion) side. Further, a protruding portion 17 that protrudes downward from the vehicle body is formed on the opening end side of the guide portion 16, and a locking piece 18 that protrudes toward the rear of the vehicle body protrudes at the lower end portion thereof. It is installed.

  The link member 5 is formed in a U-shaped cross section having a lower surface opened by a pair of left and right side plates 20 made of a steel plate material and an upper surface plate 21 connecting upper ends of both side plates 20. Then, the base end portion of the side plate 20, that is, the rear side portion of the vehicle body is pivotally supported by the hinge bracket 3 via the first pivotal support portion 4, whereby the link member 5 is attached to the vehicle body via the hinge bracket 3. In addition to being connected, the first pivotal support 4 is supported as a fulcrum so as to be swingable.

  The upper surface plate 21 of the link member 5 has a width dimension set to a value smaller than that of the upper surface plate 10 of the hood side bracket 7, thereby linking between a pair of left and right side plates 9 provided on the hood side bracket 7. The member 5 is configured to be inserted. In addition, when the link member 5 is inserted into the upper surface plate 21 of the link member 5 along the lower surface of the hood side bracket 7, the mounting bolt 6 is prevented from interfering with the link member 5 and is lightweight. A hole 23 is formed for the purpose of achieving the above.

  The side plate 20 of the link member 5 is formed with a guide groove portion 22 formed of a long hole inclined at the front end portion so as to extend to the lower side of the front portion of the vehicle body. The guide groove portion 22 includes a second pivotal support portion formed of the connecting pin. By inserting 13, the distal end portion of the link member 5 and the front end portion of the hood side bracket 7 are rotatably connected via the second pivotal support portion 13. Further, a locking hole 19 for locking a locking member 8 made of an engaging pin extending in the vehicle width direction is formed in the center portion in the front-rear direction of the side plate 20, and the side plate is interposed via the locking hole 19. The locking member 8 supported by 20 is detachably locked to the guide portion 16 of the hood side bracket 7.

  The hinge bracket 3 has an attachment board 24 attached to the front fender 2 and an upright plate 25 erected on the inner side of the attachment board 24. The upright plate 25 extends in the vehicle width direction. A mounting hole 26 of the first pivotal support portion 4 made of a hinge pin or the like is formed. A stopper member 27 facing the rear surface of the protrusion 17 provided on the side plate 9 of the hood side bracket 7 is provided on the upper surface of the front end portion of the mounting substrate 24 together with the mounting substrate 24 by a mounting bolt (not shown). It is fixed to the vehicle body side member (front fender 2), and is configured such that rearward displacement of the protrusion 17 provided on the hood side bracket 7 is restricted by the stopper member 27.

  Usually, the locking member 8 provided at the center of the link member 5 is locked at the front end position (regulation position) of the guide portion 16 provided at the hood side bracket 7. While the intermediate portion of the link member 5 and the rear portion of the hood 1 are integrally connected, the front end portion of the link member 5 and the front end portion of the hood side bracket 7 are integrally connected by the second pivotal support portion 13. The opening / closing operation of the hood 1 is performed with the first pivotal support 4 provided on the hinge bracket 3 as a fulcrum.

  That is, it is provided at the front end of the hood 1 in a state in which the link member 5 is separated from the hood 1 with the second pivotal support portion 13 as a fulcrum by the restricting means including the locking member 8 and the guide portion 16. After releasing the locked state of the hood 1 by a lock mechanism (not shown), the front end portion of the hood 1 in the closed position shown in FIGS. 1 and 7 is pushed upward, as shown in FIG. The hood 1 can be shifted to the open state by swinging and displacing the tip of the link member 5 in the direction of raising the support member 4 as a fulcrum. In addition, the rear portion of the hood 1 is moved up and down when the vehicle is running by locking the hood 1 at the restriction position in a state where the rear portion of the hood 1 and the link member 5 are integrally connected via the restriction means. By restricting, the hood 1 can be locked in a stable locked state.

Further, when it is detected by a sensor (not shown) that the front end of the vehicle body is in contact with an obstacle when the vehicle is running, as shown in FIG. 9, the push-up drive disposed below the link member 5 The inflator or the like of the means 31 is actuated so that the telescopic pushing portion 32 is in an extended state, and the upper surface plate 21 of the link member 5 is biased upward, so that the link member 5 has the first pivot portion 4 as a fulcrum. The front end portion is pushed upward, and the rear portion of the hood 1 is pushed upward with the lock portion at the front end as a fulcrum. As a result, the locking member 8 provided on the link member 5 slides and displaces along the guide portion 16 of the hood side bracket 7 toward the opening end side (rear side of the vehicle body), so that the locking member 8 is moved. The link member 5 is allowed to oscillate and displace in the direction away from the hood 1 with the second pivotal support portion 13 as a fulcrum.

  While the front end of the hood 1 is locked at the closed position by the locking means as described above, the link member 5 swings and displaces with the first pivotal support 4 as a fulcrum according to the urging force of the push-up drive 31. 9 and FIG. 10, the rear portion of the hood 1 is pushed up, and the second pivotal support portion 13 is located on the front side of the vehicle body along the guide groove portion 22 formed of a long hole of the link member 5. As the link member 5 swings and displaces with the first pivotal support 4 as a fulcrum while being slid, the distal end of the link rises to a predetermined position.

  Next, when the rear portion of the hood 1 pushed up by the push-up driving means 31 is pressed downward, the front end portion of the hood side bracket 7 and the tip end portion of the link member 5 are connected via the second pivotal support portion 13. The link member 5 moves downward while the rear portion of the hood 1 is supported, and the link member 5 swings and displaces with the first pivotal support portion 4 as a fulcrum corresponding thereto. The tip end portion is lowered to the initial position shown in FIG. When the hood 1 and the link member 5 are respectively lowered to the initial position in this way, the locking member 8 extending in the vehicle width direction is introduced into the guide portion 16 from the opening end portion of the guide portion 16 and is located above the front portion of the vehicle body. By being guided to the side, the link member 5 returns to a state in which the link member 5 is integrally connected to the rear portion of the hood 1 via the restricting means including the locking member 8 and the guide portion 16.

  The hood 1 disposed at the front of the vehicle body as described above and supported so as to be opened and closed, and the link member 5 pivotally supported by the first pivotal support portion 4 provided on the vehicle body as a fulcrum, The restricting means including the locking member 8 provided on the link member 5 and the guide portion 16 provided on the hood side bracket 7 restricts the link member 5 from swinging and moving in a direction away from the hood 1. Therefore, in a normal state, the hood 1 can be opened and closed smoothly with the first pivotal support 4 provided on the hinge bracket 3 as a fulcrum while the rear portion of the hood 1 is connected to the link member 5. At the same time, when the vehicle is running, there is an advantage that the rear portion of the hood 1 can be prevented from moving up and down to keep the hood 1 in a stable locked state.

  When a collision accident occurs in which the front end portion of the vehicle body comes into contact with an obstacle, the push-up drive means 31 is operated to urge the link member 5 upward, whereby the locking member 8 is guided to the guide portion. The connection state between the link member 5 and the hood 1 can be released by detaching from the link 16. Therefore, as shown in FIGS. 9 and 10, the hood 1 is lowered when the obstacle falls on the hood 1 by raising the rear portion of the hood 1 in accordance with the urging force of the push-up driving means 31. There is an advantage that a sufficient amount can be secured and the impact load or the like acting on the obstacle can be effectively reduced by deforming the hood 1.

  In addition, after the occurrence of the collision accident, the rear portion of the hood 1 raised as described above is pressed downward to lower the hood side bracket 7 and the link member 5 to the initial position, thereby guiding the locking member 8. Since it can be slid to the front upper side of the vehicle body along the portion 16, that is, can be locked by being displaced to the restriction position, the link member 5 and the hood side bracket 7 are connected using a new connecting member, etc. It is possible to easily return to the original state without requiring complicated work. Therefore, the push-up drive means 31 is activated when the collision accident occurs, or a malfunction occurs in the push-up drive means 31 so that the hood 1 with the rear end raised is returned to the original state, and then the vehicle is When the vehicle is traveling, the rear portion of the hood 1 is moved up and down by the regulating means, and the hood 1 is held in a stable locked state. There is an advantage that it can be effectively prevented with a simple configuration.

  Moreover, in the said embodiment, since it comprised so that the locking member 8 might be engaged / disengaged in the guide part 16 via this opening end while opening the end of the guide part 16, it is the said latching by simple and compact structure. Advantage that the link member 5 can be easily displaced between a state where the link member 5 swings and displaces in a direction away from the hood 1 and a state where the restriction is released by the restricting means including the member 8 and the guide portion 16. There is.

  That is, a guide portion comprising a long hole extending from the restriction position of the locking member 8 shown in FIG. 1 to the restriction release position shown in FIG. 9 is provided, and the locking member 8 is slid along the guide portion (long hole). By displacing, the link member 5 can be configured to be displaced between a state in which the link member 5 is rocked and displaced in a direction away from the hood 1 and a state in which the restriction is released. In the case of the configuration, it is inevitable that the size of the hood side bracket 7 in which the guide portion composed of the long hole is formed is increased. On the other hand, when the one end of the guide portion 16 is opened as described above and the locking member 8 is engaged and disengaged in the guide portion 16 via the opening end, the guide portion 16 is While preventing the formed hood side bracket 7 from increasing in size, it easily shifts from the position where the locking member 8 is locked to the upper end of the front portion of the guide portion 16 to the restriction release position outside the guide portion 16. Can be made. In place of the guide portion 16 formed of the notch groove, a concave groove is provided to be recessed on the outer side of the vehicle body, and the side end portion of the locking member 8 formed of the engagement pin extending in the vehicle width direction is provided as described above. You may make it latch in a recessed groove so that engagement / disengagement is possible.

  Further, as shown in the above embodiment, when the guide width (groove width) of the guide portion 16 is configured to increase toward the opening side end portion, the locking member 8 is connected to the guide portion 16. By sliding and displacing to the restricting position (upper front position of the vehicle body), rattling of the locking member 8 can be prevented and the link member 5 can be stably locked to the rear portion of the hood side bracket 7. In addition, there is an advantage that the locking member 8 can be smoothly introduced into the guide portion 16 when the locking member 8 is moved from the restriction release position shown in FIG. 9 to the restriction position shown in FIG. is there.

  In the above embodiment, one end portion (base end portion) of the link member 5 is pivotally supported on the vehicle body by the first pivotal support portion 4, and the other end portion (tip end portion) of the link member 5 is pivoted by the second pivotal support portion 13. The hood 1 (specifically, the hood side bracket 7) is pivotally supported, and the second pivotal support portion 13 is used as a fulcrum so that the link member 5 swings and displaces away from the hood 1 by the restriction means. Since it comprised, when the said collision accident generate | occur | produced, while the connection state of the intermediate part of the link member 5 and the rear-end part of the hood side bracket 7 can be cancelled | released appropriately, the intermediate part of the link member 5 used as the connection cancellation | release state And the rear end of the hood side bracket 7 can be easily returned to the original state.

  That is, the second pivot portion 13 is omitted, and the link member 5 is attached to the hood by, for example, press-fitting a protrusion provided on the side surface of the front end portion of the hood side bracket 7 into a recess portion provided on the side surface of the front end portion of the link member 5. It is also possible to configure to displace the link member 5 and the hood side bracket 7 from being completely separated from each other by connecting to the side bracket 7 and restricting the separation of the link member 5 from the hood 1. However, in the case of such a configuration, it is necessary to provide a wire member or the like for preventing the hood 1 separated from the link member 5 from jumping up, and the link member 5 and the hood side which are in the disconnected state are provided. While positioning the bracket 7, a complicated operation of connecting the two together is necessary.

  On the other hand, when the distal end portion of the link member 5 is pivotally supported on the hood side bracket 7 by the second pivotal support portion 13 as described above, the hood side bracket 7 is swung around the second pivotal support portion 13 as a fulcrum. By displacing and biasing in a direction away from the link member 5, the locking member 8 can be smoothly detached from the guide portion 16, and the hood 1 and the hood side bracket 7 can be separated by the second pivotal support portion 13. There is an advantage that the hood 1 can be prevented from jumping up by maintaining the connection state between the hood 1 and the link member 5.

  Further, in the above-described embodiment, the link member 5 is provided with the guide groove portion 22 formed of a long hole extending to the lower front side of the vehicle body, and the second pivot formed of the connecting pin provided in the vehicle width direction provided on the hood 1 side. Since the support portion 13 is configured to be slidably supported along the guide groove portion 22, when the rear end portion of the hood 1 is raised in accordance with the urging force of the push-up drive means 31, the second pivot support portion 13. Is slid along the guide groove 22 to oscillate and displace the hood 1 with the front end as a fulcrum, and raise the rear end of the hood 1, and the link member 5 with the first pivot 4 as a fulcrum. The operation of swinging and displacing the tip of the link member 5 can be smoothly performed. Moreover, when the rear end portion of the hood 1 is lowered from the raised position and shifted to the initial state, the movement locus of the locking member 8 is stabilized and the locking member 8 is reliably introduced into the guide portion 16. There is an advantage that you can.

  Further, in the above embodiment, the guide portion 16 provided on the hood side bracket 7 is provided with the protruding portion 17 protruding downward, and the stopper member 27 for restricting the rearward displacement of the protruding portion 17 is provided on the vehicle body side. When the hood 1 is pushed to the rear side of the vehicle body according to the impact load that acts when the front collision accident occurs, the backward movement of the hood 1 is restricted when the protrusion 17 contacts the stopper member 27. be able to. Therefore, there is an advantage that it is possible to effectively prevent the occurrence of a situation in which the hood 1 comes into contact with the windshield and the windshield is damaged when the front collision occurs. In particular, as shown in the above embodiment, when the locking piece 18 that protrudes toward the rear of the vehicle body is provided at the lower end of the protruding portion 17, it protrudes by the stopper member 27 when the front collision accident occurs. By restricting the upward movement of the portion 17, there is an advantage that it is possible to reliably prevent the occurrence of a situation in which the rear end portion of the hood 1 is lifted.

  Instead of the above-described embodiment in which the link member 5 is urged upward by the push-up drive means 31 provided on the vehicle body and the rear portion of the hood 1 is forcibly pushed up, the impact acting at the time of the collision is replaced. The rear portion of the hood 1 can be automatically raised according to the reaction force of the load so that the locking member 8 is separated from the restricting position of the guide portion 16. However, when a collision accident occurs such that the front end of the vehicle body abuts on an obstacle as in the above-described embodiment, the above-described locking is performed by operating the push-up driving means 31 to urge the link member 5 upward. When the member 8 is configured to be separated from the restriction position of the guide portion 16, there is an advantage that the connected state between the link member 5 and the hood side bracket 7 can be easily and appropriately released.

  Further, as shown in FIG. 11, the rear lower side of the vehicle body formed on the locking member 8 a formed of an engaging pin or the like provided in the hood side bracket 7 extending in the vehicle width direction, the side plate 20 of the link member 5, and the like. A restricting means for restricting the link member 5 from being separated from the hood 1 may be constituted by a guide portion 16a formed of a notch groove or the like extending in the direction. In this case, it is preferable that the locking member 8 a is provided with a protruding portion that protrudes downward, and the rearward displacement of the protruding portion is restricted by the stopper member 27.

It is side surface sectional drawing which shows embodiment of the hood structure of the vehicle which concerns on this invention. It is a disassembled perspective view which shows the structure of the support mechanism which supports the rear part of hood. It is a top view which shows the structure of the support mechanism which supports the rear part of hood. FIG. 4 is a sectional view taken along line AA in FIG. FIG. 4 is a sectional view taken along line BB in FIG. 3. It is CC sectional view taken on the line of FIG. It is a whole perspective view which shows the closed state of a hood. FIG. 2 is a view corresponding to FIG. FIG. 2 is a view corresponding to FIG. 1 showing a state where the rear portion of the hood is raised. It is a whole perspective view which shows the state which raised the rear part of food | hood. FIG. 10 is a view corresponding to FIG. 9 showing another embodiment of the hood structure for a vehicle according to the present invention.

1 Hood 2 Car body side member (front fender)
4 first pivot (pivot)
DESCRIPTION OF SYMBOLS 5 Link member 7 Hood side bracket 8 Locking member 13 2nd pivotal support part 16 Guide part 22 Guide groove part 31 Push-up drive means

Claims (4)

A hood which is disposed at the front of the vehicle body and is supported to be openable and closable, and whose front end is configured to be lockable to the vehicle body, and a push-up driving means for driving the rear part of the hood upward with the front end lock as a fulcrum When, and a swingably pivoted link member pivot portion provided on the vehicle body as a fulcrum, as well as pivotally supported on a vehicle body by one end of the link member first pivot portion, the other link member A vehicle hood structure in which an end portion is pivotally supported on a hood by a second pivotal support, and the second pivotal support is used as a fulcrum to restrict the link member from swinging and moving away from the hood. In addition, the link member is provided with a guide groove portion that extends to the lower side of the front portion of the vehicle body, and a second pivotal support portion that includes a connecting pin provided on the hood side is slidably supported along the guide groove portion. , the above-mentioned The control means includes a guide portion provided on one side of the hood or link member and extending to the rear lower side of the vehicle body, and a locking member provided on the other side of the hood or link member and locked to the guide portion, During normal operation, the locking member is locked at a restriction position provided in the guide portion, so that the link member and the rear end of the hood are maintained in an integrally connected state, and when a collision accident occurs. The locking member is displaced from the restriction position of the guide portion to the restriction release position according to the urging force of the push-up driving means to release the connection state between the link member and the hood, and the rear portion of the hood at the push-up position is The link member is configured to return to a state where it is integrally connected to the rear portion of the hood by displacing the locking member to a restriction position of the guide portion in accordance with an operation of pressing downward. Hood structure of the vehicle.   The vehicle hood structure according to claim 1, wherein one end of the guide portion is opened, and the locking member is engaged and disengaged in the guide portion through the opening end.   The vehicle hood structure according to claim 2, wherein the guide width of the guide portion is configured to increase toward the opening side end portion. The guide portion or the locking member provided on the hood is provided with a protruding portion that protrudes downward, and a stopper member that restricts rearward displacement of the protruding portion is provided on the vehicle body side. The hood structure for a vehicle according to any one of the above.

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