JP4760230B2 - Vehicle hood structure - Google Patents

Description

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

Conventionally, as shown in Patent Document 1 below, in a hood and a fixing part of a vehicle body provided at the front part of the vehicle body, the first horizontal axis core of the fixing part of the vehicle body is supported so as to be swingable up and down. A forward-facing link member is provided, and the end of the link member is swingably connected with a second horizontal axis provided on the rear back surface of the hood as a fulcrum, and the link member has the second horizontal axis as a fulcrum. A first blocking portion that blocks a state of swinging in a direction approaching the back surface of the rear portion of the hood, and a state in which the link member swings in a direction away from the back surface of the rear portion of the hood with the second horizontal axis as a fulcrum. A second blocking part, and a hood that can be opened and closed around the first horizontal axis via the link member, and the hood while damaging the second blocking part when the vehicle collides with an obstacle. Forcibly lift the back The Chiage means is provided, the set hood structure for a vehicle is known lower than the strength of the intensity of the second blocking portion first blocking portion.
JP 2005-059799 A

  According to the hood structure of a vehicle disclosed in Patent Document 1, when the hood is opened and closed, the link member and the hood are integrally connected by the second blocking portion of the connection member. Since the hood swings and displaces with the horizontal axis as a fulcrum, the hood can be opened and closed smoothly and the hood can be maintained in a stable closed state. In addition, when the traveling vehicle collides with an obstacle, the second blocking portion of the connecting member is broken according to the urging force of the lifting means, so that the link member has the first horizontal axis as a fulcrum. The upper oscillating displacement is allowed, and the hood is forcibly lifted away from the rear rear surface of the hood according to the oscillating displacement of the link member with the second horizontal axis as a fulcrum. There is an advantage that when the obstacle comes into contact with the upper surface of the hood, a sufficient amount of downward displacement of the hood can be secured to effectively absorb the impact.

  However, when the vehicle collides as described above, the connecting member that integrally connects the link member and the hood is dropped off by breaking the second blocking portion of the connecting member according to the biasing force of the lifting means. Therefore, when the hood is lowered and restarted after the lifting means is actuated, unless the link member and the hood are connected together using a new connecting member, the rear portion of the hood is adjusted according to vibration during traveling. There is a problem that an ups and downs movement is inevitable 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 link member supporting the rear portion of the hood and the hood as necessary, and connects the link member and the hood again. An object of the present invention is to provide a vehicle hood support structure that can be easily operated.

Invention relates to a hood structure for a vehicle Rutotomoni openably supported is disposed in the front part of the vehicle body, the front end portion configured to be locked to the vehicle body, the fulcrum locking portion of the front end according to claim 1 As a push-up drive means for driving the rear part of the hood in the direction of pushing up, a link member pivotally supported with a pivot part provided on the vehicle body as a fulcrum, and connecting the link member to the rear part of the hood A regulating means for regulating the separation of the link member, the regulating means is constituted by a fitting member provided on one of the link member or the hood, and a fitted portion provided on the other, The fitting member includes a fastening portion that is detachably fastened to the fitted portion so as to keep the rear portion of the hood and the link member integrally connected in a normal state. In the event of a collision The by pressing serial releases the coupled state between the link member and the hood detached from the fitting portion by diameter displaced according to the biasing force of the push-up drive means, and the rear elevated hood downward The fastening portion of the fitting member is configured to be reduced in diameter and fastened to the fitted portion .

  The invention according to claim 2 is the vehicle hood structure according to claim 1, wherein one end of the link member is pivotally supported on the vehicle body by the first pivotal support, and the other end of the link member is pivoted to the second pivotal support. The link member is pivotally displaced with the second pivot portion as a fulcrum so as to be separated from the hood by the regulating means.

  According to a third aspect of the present invention, in the hood structure for a vehicle according to the first or second aspect, a tapered surface that is a tapered portion serving as an engagement guide portion for the fitted portion is provided at the distal end portion of the fastening portion. Is.

  According to a fourth aspect of the present invention, in the vehicle hood structure according to the third aspect of the present invention, the engagement is provided at a proximal end side portion of the engagement guide portion formed of a tapered surface provided at the distal end portion of the fastening portion. The guide holding portion is provided with an engagement holding portion having a tapered surface inclined in the opposite direction.

  According to a fifth aspect of the present invention, in the vehicle hood structure according to the fourth aspect, the inclination angle of the tapered surface constituting the engagement guide portion of the fitting member is set to the inclination angle of the tapered surface constituting the engagement holding portion. The value is set smaller than the angle.

  The invention according to claim 6 is the vehicle hood structure according to any one of claims 1 to 5, wherein the fitting member includes a core material having a smaller diameter than the fitted portion, and the core material. It is comprised by the fastening part which consists of an elastic body to coat | cover.

  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 fastening portion of the fitting member is fitted by urging the link member upward or the like. Since the link member and the hood can be released from the joint by releasing from the joint, raising the rear part of the hood ensures a sufficient amount of hood lowering when the obstacle falls on the hood. It can effectively relieve impact load etc. acting on obstacles, and after the occurrence of a collision accident, by reducing the diameter of the fastening part of the fitting member and fastening it to the fitted part, It is possible to easily return to the original state without requiring a complicated operation such as connecting the link member and the hood using a new connecting member.

  According to the invention of claim 2, when a collision accident occurs, the hood is oscillated and displaced with the second pivot portion as a fulcrum, and the rear end portion is separated from the link member, thereby stopping the fitting member. There is an advantage that the wearing portion can be smoothly detached from the fitted portion, and the second fulcrum can maintain the connected state of the hood and the link member to prevent the hood from jumping up during traveling. Further, by pressing the rear portion of the hood downward, the hood is swung and displaced with the second pivot portion as a fulcrum, the rear end portion is lowered, and the link member is swung and displaced with the first pivot portion as a fulcrum. Since the link member can be automatically displaced to the initial position, the link member is connected to the rear portion of the hood with the link member in the disconnected state positioned. In addition, there is an advantage that the link member and the hood side member can be integrally connected by pressing the rear portion of the hood downward and fixing the fixing portion to the fitted portion.

  According to the invention of claim 3, the engagement guide portion is configured when the fastening portion is reduced in diameter and pressed into the fitted portion in response to an operation of pressing the rear portion of the hood downward. By using the tapered surface as the guide surface, there is an advantage that the press-fitting operation of the fastening portion can be easily and appropriately performed.

  According to the fourth aspect of the present invention, when the fastening portion secured to the fitted portion is detached from the fitted portion and the connection state between the rear portion of the hood and the link member is released, the engagement is performed. By using the tapered surface constituting the mating holding portion as the guide surface, the fastening portion can be easily and appropriately detached from the fitted portion.

  According to the invention which concerns on Claim 5, the inclination angle of the taper surface which comprises the engagement guide part provided in the fastening part of a fitting member is smaller than the inclination angle of the taper surface which comprises an engagement holding part By setting the value, the engagement guide part is formed in a sharper tapered shape than the engagement holding part, so the rear part of the hood is pressed downward to press-fit the fastening part into the fitting part. In doing so, the guide function of the tapered surface constituting the engagement guide portion can be sufficiently exerted, so that the fastening portion of the fitting member can be smoothly fastened to the fitted portion. In addition, by setting the inclination angle of the taper surface constituting the engagement holding portion to a value larger than the inclination angle of the taper surface constituting the engagement guide portion of the fitting member, the fastening portion is fitted. While maintaining the guide function when being detached from the mating part, it is possible to effectively prevent the fastening part from detaching from the fitted part and keep the fitting member stably in the mating position in normal times. Can be made.

  According to the invention of claim 6, the fitting member is constituted by the core material made of a highly rigid body and the fastening portion made of an elastic body covering the core material, and the shaft diameter of the core material is covered. Since the diameter is set smaller than the hole diameter of the fitting portion, the fitting member can be stably fixed to the fitted portion, and the fastening portion is detached from the fitted portion and linked to the rear portion of the hood. When the connection state with the member is released, the fitting member is greatly deformed by preventing the fitting member from being greatly deformed by the core material even when a bending force or a twisting force is applied. Therefore, it is possible to stop the fitting portion from the fitting portion as necessary without causing the fastening portion to be detached from the fitting portion or causing the damage to the fastening portion. There is an advantage that the wearing part can be properly detached.

  1 to 4 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 member 7 fixed to the lower surface of the rear portion of the hood inner panel 1a, and the front end portion of the link member 5 is pivotally supported by the hood side member 7.

  The hood side member 7 is formed in a U-shaped cross section having a pair of left and right side plates 8 and an attachment substrate 9 that connects upper end portions thereof. The mounting substrate 9 is formed with a notch groove 10 and an insertion hole 11 that serve as an insertion portion for the attachment bolt 6, and is fitted into a fitting portion 12 that is a through hole provided in the link member 5. The fitting member 13 is attached to a protrusion 14 provided on the rear side of the vehicle body. Further, the side plate 8 of the hood side member 7 is formed with an insertion hole 16 of a second pivotal support portion 15 composed of a connecting pin or the like that pivotally supports the distal end portion of the link member 5 at the front end portion, as shown in FIG. As described above, an expanded portion 17 whose lower end portion is expanded outward is formed at a rear portion of the vehicle body.

  As shown in FIG. 6, the fitting member 13 includes a core material 18 made of a highly rigid body such as a steel material and an elastic body such as a synthetic rubber material installed so as to cover the lower end portion of the core material 18. It is comprised by the fastening part 19 which becomes. The core member 18 of the fitting member 13 is formed of a shaft body whose shaft diameter is smaller than the hole diameter of the fitted portion 12 made of the through hole, and a caulking portion 21 is formed at the upper end portion thereof. Is attached to the protrusion 14 of the hood side member 7. The protrusion 14 of the hood side member 7 is formed with a recessed portion 22 recessed downward, and an insertion hole 20 through which the core member 18 of the fitting member 13 is inserted is formed in the recessed portion 22 ( (See FIG. 2).

  The fastening portion 19 of the fitting member 13 is formed with a tapered surface that becomes the engagement guide portion 23 with respect to the fitted portion 12 at the distal end portion (lower end portion), and its proximal end portion. An engagement holding portion 24 having a tapered surface inclined in the opposite direction to the engagement guide portion 23 is formed on the side portion. Then, the engagement holding portion 24 is fitted by inserting the engagement guide portion 23 downward from above the fitted portion 12 by reducing the diameter of the fastening portion 19 of the fitting member 13. The fastening part 19 of the fitting member 13 is fastened to the fitted part 12 in a detachable manner while being pressed against the lower surface of the peripheral edge of the part 12. The inclination angle θ1 with respect to the axis of the tapered surface constituting the engagement guide portion 23 of the fastening portion 19 is set to a smaller value than the inclination angle θ2 with respect to the axis of the taper surface constituting the engagement holding portion 24. As a result, the engagement guide portion 23 is formed in a sharpened tapered shape as compared with the engagement holding portion 24.

  The link member 5 is connected to the side plate 25 and a link body 27 having a U-shaped cross section composed of a pair of left and right side plates 25 made of a steel plate and the like, and an upper surface plate 26 connecting the upper ends of the side plates 25. A link base portion 28 extending to the rear side of the vehicle body, and the rear end of the link base portion 28 is pivotally supported by the hinge bracket 3 via the first pivotal support portion 4. And is supported so as to be swingable with the first pivotal support 4 as a fulcrum.

  Further, the upper surface plate 26 of the link member 5 is set to have a width dimension smaller than that of the mounting substrate 9 of the hood side member 7, so that the space between the pair of left and right side plates 8 provided on the hood side member 7 is set. The link main body 27 is configured to be inserted. Further, the side plate 25 of the link member 5 is formed with a long hole 29 inclined forward and downward, and the second pivotal support portion 15 made of the connecting pin or the like is inserted into the long hole 29, whereby the second hole 29 is inserted. Via the pivot part 15, the front-end | tip part of the link member 5 and the front-end part of the food | hood side member 7 are connected so that rotation is possible.

  When the link body 27 is inserted into the upper surface plate 26 of the link member 5 along the lower surface of the hood side member 7, the mounting bolt 6 is prevented from interfering with the link member 5, and the weight is reduced. A through hole 30 for the purpose of forming and a through hole through which the fastening portion 19 of the fitting member 13 is inserted is formed at a predetermined position, and the fitted portion 12 is configured by this through hole. And normally, the fastening part 19 of the fitting member 13 provided at the rear end part of the hood side member 7 is fastened to the fitted part 12 provided in the link member 5, The intermediate portion of the link member 5 and the rear end portion of the hood side member 7 are integrally connected, and the front end portion of the link member 5 and the front end portion of the hood side member 7 are integrally connected by the second pivot portion 15. In this state, the hood 1 is opened and closed with the first pivot 4 provided on the hinge bracket 3 as a fulcrum.

  That is, by a lock mechanism (not shown) provided at the front end portion of the hood 1 in a state where the link member 5 is separated from the hood 1 by the restriction means including the fitting member 13 and the fitted portion 12. After releasing the locked state of the hood 1, by pushing up the front end portion of the hood 1 in the closed position shown in FIGS. 1 and 7, as shown in FIG. The hood 1 can be shifted to the open state by swinging and displacing the tip of the member 5 and the hood side member 7 in the direction of raising. In addition, by locking the hood 1 at the lock position in a state where the link member 5 and the hood side member 7 are integrally connected, the rear portion of the hood 1 is restricted from moving up and down when the vehicle is running. 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 When the inflator or the like of the means 31 is activated and the upper surface plate 26 of the link member 5 is biased upward, the tip end portion of the link member 5 is pushed upward with the first pivotal support portion 4 as a fulcrum. The rear portion of the hood 1 is pushed upward with the front end lock portion as a fulcrum. As a result, the fastening portion 19 of the fitting member 13 is detached from the fitted portion 12, the connection state between the link member 5 and the hood side member 7 is released, and the link member with the second pivot portion 15 as a fulcrum. 5 is allowed to swing and displace in a direction away from the hood 1.

  While the front end portion of the hood 1 is locked at the closed position by the lock means as described above, the hood side member 7 is oscillated and displaced with the second pivotal support portion 15 as a fulcrum according to the urging force of the push-up drive means 31. 9 and 10, the telescopic pushing portion 32 of the push-up driving means 31 is in the extended state, the rear portion of the hood 1 is pushed up, and the second pivot portion 15 is linked. While slidably moving along the elongated hole 29 of the member 5 toward the front side of the vehicle body, the link member 5 swings and displaces with the first pivotal support portion 4 as a fulcrum, so that the tip portion thereof rises.

  Next, when the rear part of the hood 1 pushed up by the push-up drive means 31 is pressed downward, the rear part of the hood 1 is supported by the link member 5 connected to the hood side member 7 via the second pivotal support part 15. In addition to moving downward, the link member 5 swings and displaces with the first pivotal support 4 as a fulcrum, so that the tip of the link member 5 is lowered to the initial position as shown in FIG. When the hood 1, the hood side member 7, and the link member 5 are respectively lowered to the initial position in this way, the fastening portion 19 of the fitting member 13 is pressed against the fitted portion 12, so that the fastening portion 19 Is reduced in diameter and fastened to the fitted part 12, whereby the link member 5 and the hood side member 7 are integrally connected to return to the original state.

  In the hood structure of the vehicle that is disposed at the front portion of the vehicle body and supported to be opened and closed as described above, the link member 5 that is pivotably supported by the first pivotal support portion 4 provided on the vehicle body is provided. The link member 5 is connected to the rear portion of the hood 1 by a restricting means including a fitting member 13 provided in the rear portion of the hood 1 and a fitted portion 12 provided in the link member 5. Since the link member 5 is restricted from being separated from the hood 1, the hood 1 is normally used with the first pivotal support 4 provided on the hinge bracket 3 as a fulcrum in a state where the rear portion of the hood 1 is connected to the link member 5. The opening / closing operation of the hood 1 can be performed smoothly, and when the vehicle is running, the rear portion of the hood 1 can be prevented from moving up and down to maintain the hood 1 in a stable locked state.

  Since the fastening portion 19 provided on the fitting member 13 is reduced in diameter and is detachably fastened to the fitted portion 12, the front end of the vehicle body collides with an obstacle. When an accident occurs, the push-up driving means 31 is operated to urge the upper surface plate 26 of the link member 5 upward, so that the fastening portion 19 of the fitting member 13 is detached from the fitted portion 12. Thus, the connection state between the link member 5 and the hood side member 7 can be released. 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 that has been lifted as described above is pressed downward to lower the hood side member 7 and the link member 5 to the initial position, thereby stopping the fitting member 13. Since the diameter of the attachment portion 19 can be reduced and fixed to the fitted portion 12, a complicated operation such as connecting the link member 5 and the hood side member 7 using a new connection member can be performed. It can be easily restored to its original state without any need. Therefore, when the hood 1 whose rear end has been raised due to the occurrence of the accident or the malfunction of the push-up drive means 31 is returned to the original state and the vehicle is run, the rear portion of the hood 1 is moved up and down. By restricting the movement and holding the hood 1 in a stable locked state, there is an advantage that the rattling of the hood 1 can be effectively prevented with a simple configuration when the vehicle is traveling.

  In the above embodiment, the base end portion of the link member 5 is pivotally supported on the vehicle body by the first pivotal support portion 4, and the distal end portion of the link member 5 is pivoted by the second pivotal support portion 15 (specifically, the hood 1 It is pivotally supported by the hood side member 7) attached to the lower surface of the rear part, and the link member 5 swings and displaces from the hood 1 with the second pivotal support 15 as a fulcrum. Since it is configured to be regulated by the regulation means including the fitting portion 12, the connection state between the intermediate portion of the link member 5 and the rear end portion of the hood side member 7 can be properly released when the collision accident occurs. Thus, it is possible to easily perform the operation of returning the intermediate portion of the link member 5 in the disconnected state and the rear end portion of the hood side member 7 to the original state.

  That is, the second pivotal support portion 15 is omitted, and a protrusion provided on the side surface of the front end of the hood side member 7 is press-fitted into a recess provided on the side surface of the link member 5 or a pair of front and rear fitting members. The link member 5 is connected to the hood side member 7 by providing the link member 5 and the fitted portion 12, and the link member 5 and the hood side member 7 are restricted from being separated from the hood 1. Although it is possible to make a configuration such that the hood 1 is separated from the link member 5, a wire member or the like for limiting the jumping amount of the hood 1 separated from the link member 5 can be used. In addition to providing the link member 5 and the hood side member 7 in a disconnected state, it is necessary to perform a complicated operation of connecting the two together.

  On the other hand, when the distal end portion of the link member 5 is pivotally supported on the hood side member 7 by the second pivotal support portion 15 as described above, the hood side member 7 is swung around the second pivotal support portion 15 as a fulcrum. By displacing and urging in a direction away from the link member 5, the fastening portion 19 of the fitting member 13 can be smoothly detached from the fitted portion 12, and the second pivot 15 is used. There is an advantage that the hood 1 and the hood side member 7 and the link member 5 can be kept connected to prevent the hood 1 from jumping up.

  Further, by pressing the rear portion of the hood 1 in the raised position shown in FIGS. 9 and 10 downward, the hood-side member 7 is swung and displaced about the second pivot 15 as a fulcrum, and the first The link member 5 can be oscillated and displaced with the one pivotal support 4 as a fulcrum, and the tip of the link member 5 can be automatically displaced to the initial position shown in FIG. Therefore, the above-mentioned stoppage can be achieved by simply pressing the rear portion of the hood 1 downward without requiring the complicated operation of gripping and positioning the link member 5 and the hood side member 7 that have been disconnected as described above. There is an advantage that the link part 5 and the hood side member 7 can be integrally connected by fixing the wearing part 19 to the fitted part 12.

  Moreover, in the said embodiment, since the taper surface of the taper used as the engagement guide part 23 with respect to the to-be-fitted part 12 was provided in the front-end | tip part of the fastening part 19, according to operation which presses the rear part of the food | hood 1 below. When the fastening part 19 is displaced in diameter and press-fitted into the fitted part 12, the taper surface constituting the engagement guide part 23 is used as a guide surface, so that the fastening part 19 is press-fitted. There is an advantage that the work can be performed easily and appropriately.

  Further, as shown in the above-described embodiment, a base end side portion of the engagement guide portion 23 formed of a tapered surface provided at the distal end portion of the fitting member 13 is inclined in a direction opposite to the engagement guide portion 23. When the engagement holding portion 24 having a tapered surface is provided, when the fastening portion 19 fastened to the fitted portion 12 is reduced in diameter and removed from the fitted portion 12, By using the tapered surface constituting the engagement holding portion 24 as a guide surface, the fastening portion 19 can be easily and properly detached from the fitted portion 12 to connect the rear portion of the hood 1 and the link member 5. Can be released.

  In particular, as shown in the above embodiment, the inclination angle θ1 of the taper surface constituting the engagement guide portion 23 of the fitting member 13 is set to a value smaller than the inclination angle θ2 of the taper surface constituting the engagement holding portion 24. By setting, when the engagement guide part 23 is formed in an acutely tapered shape as compared with the engagement holding part 24, the rear part of the hood 1 is pressed downward to fit the fastening part 19 When press-fitting into the joint portion 12, the fastening portion 19 can be smoothly fastened to the fitted portion 12 by sufficiently exerting the guide function of the tapered surface constituting the engagement guide portion 23. Moreover, the inclination angle θ2 of the tapered surface constituting the engagement holding portion 24 is set to a value larger than the inclination angle θ1 of the tapered surface constituting the engagement guide portion 23 of the fitting member 13, whereby While maintaining the guide function when detaching the fastening part 19 from the fitted part 12, it is possible to prevent the fastening part 19 from detaching from the fitted part 12 during normal operation and It can be stably held at the fitting position.

  Further, in the above embodiment, the fitting member 13 is constituted by the core material 18 made of a highly rigid body and the fastening portion 19 made of an elastic body covering the core material 18, and the shaft diameter of the core material 18. Is set to be smaller than the hole diameter of the fitted portion 12, the fitting member 13 can be stably fixed to the fitted portion 12, and the fastening portion 19 is detached from the fitted portion 12. Thus, when the connection between the rear portion of the hood 1 and the link member 5 is released, even when a predetermined bending force or torsional force is applied, the core member 18 is greatly deformed by the fitting member 13. Can be prevented. Therefore, without causing the situation that the fastening part 19 cannot be detached from the fitted part 12 due to the deformation of the fitting member 13 or the fastening part 19 is damaged, There is an advantage that the fastening portion 19 can be appropriately detached from the fitted portion 12 as necessary.

  Moreover, in the said embodiment, as shown in FIG. 5, in the rear side part of the vehicle body in the side plate 8 of the hood side member 7, since the expansion part 17 whose lower end part expanded outward is formed, FIG. As shown in FIG. 1, when the link member 5 that is separated from the lower surface of the hood side member 7 is oscillated and displaced into the hood side member 7 as shown in FIG. By reducing the contact area between 8 and the side plate 25 of the link member 5, there is an advantage that the link member 5 can be smoothly swung and displaced.

  In the above embodiment, the example in which the fitting member 13 is provided on the hood side member 7 attached to the hood 1 and the fitted portion 12 is provided on the link member 5 has been described. May be provided on the hood 1 side, and the fitting member 13 may be provided on the link member 5 side. Further, the link member 5 is urged upward by the expansion / contraction pushing portion 32 of the push-up driving means 31 disposed below the link member 5 so that the fastening portion 19 of the fitting member 13 is fitted. In place of the above-described embodiment configured to be disengaged from 12, the attachment portion 9 of the hood-side member 7 or the hood 1 is pushed upward so that the fastening portion 19 of the fitting member 13 is fitted. You may comprise so that it may detach | leave from 12.

  Further, in place of the push-up drive means 31 provided with the expansion / contraction pusher portion 32 that is extended when the inflator is operated, the first pivotal support portion 4 that urges the tip end portion of the link member 5 upward is provided. A push-up drive means is constituted by a spiral spring, or the rear portion of the hood 1 is automatically raised in accordance with the reaction force of an impact load acting at the time of collision, and the fastening portion 19 of the fitting member 13 is fitted. You may comprise so that it may detach | leave from 12.

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. 3. 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.

Explanation of symbols

1 Hood 2 Car body side member (front fender)
4 First pivot 5 Link member 7 Hood side member (rear part of hood)
DESCRIPTION OF SYMBOLS 12 Fit part 13 Fitting member 15 2nd pivot part 18 Core material 19 Fastening part 23 Engagement guide part 24 Engagement holding part

Claims (6)

Is openably supported is disposed in the front part of the vehicle body Rutotomoni, a hood structure for a vehicle front end portion configured to be locked to the vehicle body, in a direction to push up the rear portion of the hood lock portion of the front end as a fulcrum A push-up drive means for driving, a link member pivotally supported with a pivot provided on the vehicle body as a fulcrum, and the link member is connected to the rear part of the hood to restrict the link member from being separated from the hood. and a restricting means for, this regulating means includes a fitting member provided on one of said link members or hood, is composed of a fitted portion provided on the other, the fitting member, the object to be It is provided with a fastening part that keeps the rear part of the hood and the link member integrally connected during normal operation by being detachably fastened to the fitting part. Energizing push-up drive means Secured portion of the fitting member by disengaged from the fitted portion to release the coupled state between the link member and the hood, and pushes the rear portion of the elevated hood downward by diameter displaced according to A hood structure for a vehicle, wherein the hood is configured to be reduced in diameter and fixed to a fitted portion .   One end of the link member is pivotally supported on the vehicle body by the first pivot, and the other end of the link member is pivotally supported by the hood by the second pivot, and the link member swings and displaces with the second pivot as a fulcrum. 2. The vehicle hood structure according to claim 1, wherein the hood structure is configured to be regulated by a regulating means.   The hood structure for a vehicle according to claim 1 or 2, wherein a tapered surface which is a constriction serving as an engagement guide portion for the fitted portion is provided at a distal end portion of the fastening portion.   An engagement holding portion made of a tapered surface inclined in a direction opposite to the engagement guide portion is provided at a base end side portion of the engagement guide portion made of a tapered surface provided at the distal end portion of the fastening portion. The hood structure for a vehicle according to claim 3.   5. The vehicle according to claim 4, wherein the inclination angle of the taper surface constituting the engagement guide portion of the fitting member is set to a value smaller than the inclination angle of the taper surface constituting the engagement holding portion. Hood structure.   6. The fitting member according to any one of claims 1 to 5, wherein the fitting member is constituted by a core material having a smaller diameter than the fitted portion and a fastening portion made of an elastic body covering the core material. The vehicle hood structure described in 1.

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