JP2020111287A - Vehicular extruding device - Google Patents

Abstract

To provide a vehicular extruding device capable of stably fixing an actuator to a mounting bracket.SOLUTION: A vehicular extruding device includes n actuator 21, a mounting bracket 50 that holds an inner member 25 of the actuator, and a bolt 65 for holding the inner member in the mounting bracket. The bolt has a screw rod portion 66 and a head portion 67. The mounting bracket is equipped with two opposite pieces 52 and 56 opposing across the inner member, as those capable of elastically deforming and being made from a sheet metal. The inner member is equipped with a through-hole 28 in which the screw rod portion can be inserted. Each opposite piece arranges openings 53 and 57 in which the screw rod portion can be inserted. On the opposite piece 52, a screw hole portion 54 capable of fastening the screw rod portion is formed. When the screw rod portion while being inserted in the through-hole is fastened to the screw hole portion, on each opposing opposite piece side, a peripheral edge part of the screw hole portion and a part on the head portion are made to abut on an outer peripheral surface of the inner member to hold the inner member.SELECTED DRAWING: Figure 8

Description

The present invention relates to a vehicle extrusion device that is mounted on a vehicle and that moves an extrusion unit that is extruded to receive a protected object from a standby position to an extrusion position during operation.

2. Description of the Related Art Conventionally, as a vehicle extrusion device, there has been a device that is arranged on the lower surface side at the rear end side of a hood panel and flips up the hood panel during operation (for example, see Patent Document 1). In this vehicle extrusion device, an actuator having a piston rod as an extruding portion that pushes up the hood panel during operation is configured to be attached to the vehicle body side using a mounting bracket, and the mounting bracket is a cylindrical actuator. It has a holding portion having a substantially U-shaped cross section arranged to cover the periphery and holding the actuator, and mounting piece portions extending from both ends of the holding portion. The mounting piece portion is attached to the body side by using bolts. By attaching the actuator, the holding portion holding the actuator is pressed against the body side, and the actuator is attached to the body side.

JP, 2009-179266, A

However, in the conventional vehicle push-out device, since the mounting bracket is configured to hold the actuator by the holding portion having a substantially U-shaped cross section, when an assembly error or the like occurs, the mounting bracket may be placed between the actuator and the holding portion. If a gap is created, the actuator may shake and noise may occur when the vehicle is traveling.

The present invention solves the above-described problems, and an object of the present invention is to provide a vehicle push-out device capable of stably fixing an actuator to a mounting bracket.

The vehicle push-out device according to the present invention is a vehicle push-out device that is mounted on a vehicle and moves an push-out portion pushed out to receive a protection target from a standby position to an push-out position during operation.
A gas generator that generates a working gas during operation, an inner member that houses and holds the gas generator, and a forward movement relative to the inner member that is pressed by the working gas generated from the gas generator and moves away from the inner member. An outer member as a pressing portion for
A mounting bracket that holds the inner member and is attached to the vehicle body side member,
A bolt for holding the inner member on the mounting bracket,
It is configured to include
The bolt has a screw rod portion and a head portion formed by expanding the diameter on the base side of the screw rod portion,
The mounting bracket is made of elastically deformable sheet metal,
A mounting piece that is mounted on the body side member,
Two facing pieces arranged to face each other so as to sandwich the inner member from both sides orthogonal to the moving direction of the outer member,
Is configured to include,
The inner member is provided with a through hole through which the screw rod portion can be inserted so as to be along a direction orthogonal to the moving direction of the outer member,
Each facing piece is configured to have an opening into which a screw rod portion can be inserted, at a position corresponding to the through hole,
On an opening side formed on one of the opposing pieces arranged on the tip side of the screw rod portion, a screw hole portion that allows the screw rod portion to be fastened is formed,
When fastening the threaded rod portion inserted into the through hole to the threaded hole portion, the peripheral edge portion of the threaded hole portion and the head portion side are the outer periphery of the inner member on each opposing one side facing each other. It is characterized in that the inner member is abutted against the surface and holds the inner member.

In the vehicle push-out device of the present invention, the mounting bracket mounted to the body-side member of the vehicle has a screw rod portion of a bolt that penetrates the inner member in a state where the inner member of the actuator is arranged between the two facing pieces. Is fastened to the screw hole portion formed on one of the facing pieces to hold the inner member. At this time, the peripheral portion of the screw hole portion and the portion on the head side are brought into contact with the outer peripheral surface of the inner member while elastically deforming the opposing piece as the screw rod portion is fastened to the screw hole portion. Since the inner member is sandwiched, the inner member can be stably held by the mounting bracket while suppressing rattling.

Therefore, in the vehicle extrusion device of the present invention, the actuator can be stably fixed to the bracket.

In addition, in the vehicle extrusion device of the present invention, if two through holes are arranged side by side on the inner member on the side along the moving direction of the outer member, the through hole to the screw hole portion At the time of fastening work, relative rotation of the inner member can be suppressed, and the fastening work becomes easy, which is preferable.

As the screw hole portion, a nut formed separately from the facing piece may be arranged, or may be formed integrally with the facing piece. Further, when the through holes are provided at two positions along the axial direction, it is possible to use, as the screw hole portion, a two-hole nut formed separately from the facing piece.

FIG. 1 is a schematic perspective view of a vehicle showing a mounted state of a hood flip-up device that is an embodiment of the present invention. It is a schematic longitudinal cross-sectional view of a vehicle equipped with a hood flip-up device. FIG. 7 is a schematic vertical cross-sectional view of the vehicle showing the operation of the hood flip-up device. It is a schematic disassembled perspective view which shows the hood flip-up apparatus of embodiment. FIG. 6 is a vertical cross-sectional view of an actuator used in the hood flip-up device on the side along the left-right direction. FIG. 6 is a vertical cross-sectional view showing the operating state of the actuator of FIG. 5 on the side along the left-right direction. FIG. 6 is a vertical cross-sectional view of the actuator of FIG. 5 taken along the front-rear direction. FIG. 6 is a vertical cross-sectional view showing the operating state of the actuator of FIG. 5 on the direction side along the front-rear direction. In the hood flip-up device of the embodiment, it is a schematic vertical sectional view showing a holding state of the actuator by the mounting bracket. In the hood flip-up device of the embodiment, it is a schematic cross-sectional view showing a holding state of the actuator by the mounting bracket. In the hood flip-up device of the embodiment, it is a schematic enlarged cross-sectional view showing fastening of a bolt to a two-hole nut of a mounting bracket. It is a partial expanded longitudinal cross-sectional view which shows the mounting bracket of another form.

An embodiment of the present invention will be described below with reference to the drawings. In the embodiment, the hood flip-up device U (hereinafter, simply referred to as “bounce-up device”) arranged on the lower surface side of the rear end 10c side of the hood panel 10 of the vehicle V is taken as an example of the vehicle push-out device. Explain and explain. When the flip-up device U is activated, the flip-up device U flips up the rear end 10c side of the hood panel 10 as the push-out portion (moves from the standby position to the push-out position) in order to receive the head of a pedestrian as a protection target. The composition. Specifically, as shown in FIG. 1, the flip-up device U of the embodiment is arranged near the left edge 10d and the right edge 10e on the rear end 10c side of the hood panel 10 of the vehicle V. , The mounting bracket 50 for mounting the actuator 21, the inner member 25 of the actuator 21 to the mounting seat 2b provided on the hood ridge reinforcement hose 2 as the body side member 1 of the vehicle V, and for holding the inner member 25 on the mounting bracket 50 And a bolt 65 of.

In this specification, unless otherwise specified, the front-rear direction, the up-down direction, and the left-right direction correspond to the front-rear direction, the up-down direction, and the left-right direction of the vehicle V (see FIG. 1), respectively. In the embodiment, the flip-up device U arranged on the right side will be described. Since the flip-up device U arranged on the left side is only symmetrically arranged with the flip-up device U on the right side, detailed description thereof will be omitted.

As shown in FIG. 1, the front bumper 5 of the vehicle V is provided with a sensor 6 capable of detecting or predicting a collision with a pedestrian. Then, when a control circuit (not shown) which inputs a signal from the sensor 6 detects a collision between the vehicle V and a pedestrian based on the signal from the sensor 6, the gas generator 23 in the actuator 21 is not shown. By igniting the explosive and generating the actuation gas G, the actuator 21 is actuated to actuate the flip-up device U as shown in FIG.

As shown in FIG. 1, the hood panel 10 is arranged so as to cover the upper part of the engine room of the vehicle V, and is a hinge arranged near the rear end 10c on the left edge 10d side and the right edge 10e side. The mechanism 11 is connected to the vehicle body (body-side member 1) side of the vehicle V so as to be openable and closable in a front opening. The hood panel 10 is made of a sheet metal made of an aluminum alloy or the like, and includes an outer panel 10a on the upper surface side and an inner panel 10b on the lower surface side (see FIG. 2). The hood panel 10 is configured to be plastically deformed and capable of absorbing the kinetic energy of the pedestrian when receiving the pedestrian. Then, in the embodiment, when the actuator 21 is operated during the collision between the vehicle V and the pedestrian, the rear end 10c of the hood panel 10 is pushed up so as to move from the standby position to the pushing position. As shown in FIG. 3, the deformation space S can be formed between the rear end 10c of the hood panel 10 that has moved (moved up) to the extrusion position and the engine room. Therefore, the actuation of the actuator 21 can increase the amount of plastic deformation during bending plastic deformation of the hood panel 10, and the hood panel 10 as the pushing portion absorbs a large amount of kinetic energy of a pedestrian as a protection target. It is possible to smoothly receive a pedestrian as an object to be protected.

The hinge mechanism 11 is disposed on the left edge 10d and the right edge 10e on the rear end 10c side of the hood panel 10 (see FIG. 1), and as shown in FIG. The hinge base 12 is fixed to the mounting seat 2a connected to the hose 2, and the hinge arm 14 is fixed to the hood panel 10 side. Each hinge arm 14 is formed in a shape in which an angle member made of sheet metal is curved in a substantially semi-circular shape so as to project downward. Then, in the hinge arm 14, the base end 14 a on the hinge base 12 side is rotatably connected to the hinge base 12 using the support shaft 13. Further, each hinge arm 14 is provided with a connecting plate portion 15 that extends substantially along the front-rear direction from the front end 14b on the side of the front end 14b away from the base end 14a, and the connecting plate portion 15 is the rear end of the hood panel 10. It is joined to the lower surface side of 10c by welding or the like. In the embodiment, the connecting plate portion 15 has the lower surface on the front side as the receiving seat 16 with which the push-up head portion 42 at the upper end of the outer member 40 at the time of ascending contacts.

Each of the support shafts 13 is arranged so that the axial direction thereof is along the left-right direction (vehicle width direction) of the vehicle V. The support shaft 13 serves as a center of rotation when the hood panel 10 is opened by opening it forward. When the front end 10f of the hood panel 10 is moved upward during this front opening, the tip 14b side of the hinge arm 14 is also moved upward. Further, the hinge arm 14 allows the rear end 10c of the hood panel 10 to move upward when the actuator 21 is actuated by plastically deforming a portion around the cutout recess 14c formed near the tip 14b. A known hood lock mechanism (not shown) is disposed on the front end 10f side of the hood panel 10, and this hood lock mechanism allows the front end of the hood panel 10 to be moved even when the rear end 10c of the hood panel 10 is moved upward. 10f is configured not to come off from the body side.

As shown in FIGS. 2 and 3, behind the hood panel 10, there are a cowl panel 7a having high rigidity, which is the body side member 1, and a cowl louver 7b made of synthetic resin, which is arranged above the cowl panel 7a. A cowl 7 is provided. The cowl louver 7b is arranged so that the rear end side is connected to the lower portion 3a of the front windshield 3. As shown in FIG. 1, front pillars 4 and 4 are arranged on the left and right of the front windshield 3.

As shown in FIGS. 5 to 8, the actuator 21 includes a gas generator 23 that generates a working gas during operation, a substantially cylindrical inner member 25 that houses and holds the gas generator 23, and a gas generator 23. And an outer member 40 as a pressing portion that is relatively moved forward (moved upward in the case of the embodiment) so as to be separated from the inner member 25 by being pressed by the working gas generated from the outer member 40. The outer member 40 is configured to move forward (ascend) along the axial direction of the inner member 25.

As the gas generator 23, a squib for generating a working gas G by igniting a predetermined explosive (not shown) at the time of operation and by burning the explosive itself or further by burning a gas generant which ignites the explosive A micro gas generator or the like is used. In the gas generator 23, a lead wire 23c for inputting an ignition electric signal from a control circuit (not shown) is connected to the base portion 23b side away from the tip 23a for discharging the working gas. Further, the gas generator 23 is integrally molded with a resin portion 37 made of a synthetic resin such as a polyamide resin in a state where the lead wire 23c is projected, and the resin portion 37 together with the inner case 26 described later. It is configured to be stored inside. An insertion hole 37a through which the screw rod portion 66 of the bolt 65 can be inserted is formed at a position corresponding to the through hole 28 formed in the inner case 26 on the end portion side of the resin portion 37 (FIG. 5). , 7, 9, 10).

The inner member 25 includes a metal inner case 26 made of substantially cylindrical steel or the like, and the above-mentioned resin portion 37 for holding the gas generator 23. The inner case 26 has a circular opening (opening end 27) on the tip end 26a side for letting out the working gas, and accommodates and holds the gas generator 23 in a region from the opening end 27 to the base portion 26b side. In addition to the above configuration, the base portion 26b side is attached to the attachment seat 2b of the hood ridge rein hose 2 which is the vehicle body side member 1 using the attachment bracket 50. A through hole 28, through which a screw rod portion 66 of a bolt 65 for holding the inner member 25 on the mounting bracket 50, can be inserted is formed on the base portion 26b side of the inner case 26. The through hole 28 is formed by penetrating the inner case 26 substantially in the front-rear direction so as to be substantially orthogonal to the axial direction of the inner case 26 (to be along the direction orthogonal to the moving direction of the outer member 40). In the case of the embodiment, as shown in FIGS. 7 to 9, on the axial (vertical direction) side of the inner case 26 (the side along the moving direction of the outer member 40), Two are installed side by side. The inner diameter of the through hole 28 is set so that only the threaded rod portion 66 of the bolt 65 can be inserted therein and a small diameter portion 69 of a head 67 (described later) of the bolt 65 cannot be inserted therethrough.

A projecting portion 30 that projects outward is formed on the outer peripheral surface side of the inner case 26 on the open end 27 side. A concave portion 30a that is recessed in a groove shape from the outer peripheral side is formed over the entire circumference of the projecting portion 30, and a rubber annular ring for ensuring gas sealability during forward movement of the outer member 40 is formed in the concave portion 30a. The sealing material 31 of 1 is fitted. Further, between the inner peripheral surface of the inner case 26 and the resin portion 37, a rubber annular packing 32 for ensuring airtightness on the gas generator 23 side is arranged. Furthermore, the outer peripheral surface of the inner case 26 is pressed against the inner periphery of the end edge of the outer member 40 on the side of the tip 40a, and has a ring-shaped rubber for waterproofing the inside of the outer member 40 and preventing dust from entering. A packing 33 made of metal is provided.

Further, on the outer peripheral surface of the inner case 26 near the base portion 26b of the inner member 25, a locking portion 35 for preventing extension of the actuator 21 when not in operation is fixed. The locking portion 35 is made of a plastically deformable sheet metal, and is locked to the outer member 40 side when the actuator 21 is inactive, and is pressed and plastically deformed by the outer member 40 when the gas generator 23 is activated. The unlocked state is released, and the forward movement of the outer member 40 is allowed (see FIGS. 5 and 6).

As shown in FIGS. 5 to 8, the outer member 40 as a push-out portion is made of metal such as steel, and includes a ceiling wall portion 41 that covers the opening end 27 of the inner member 25 (inner case 26) on the side of the tip 26a, and a ceiling. And a substantially cylindrical peripheral wall portion 44 extending from the outer peripheral edge of the wall portion 41 so as to cover the outer peripheral side of the inner member 25. The peripheral wall portion 44 is configured so as to cover the outer peripheral side of the inner case 26 (inner member 25) up to the vicinity of the through hole 28 beyond the position where the gas generator 23 is disposed. The ceiling wall portion 41, which is the upper end side of the outer member 40, is brought into contact with the receiving seat 16 arranged on the lower surface side of the hood panel 10 when moving upward, and is capable of pushing up the rear end side of the hood panel 10. The head 42 is formed so that the outer shape is a substantially columnar shape. In the peripheral wall portion 44, a lock member 46 is formed on the inner peripheral surface side of the tip portion 44 a (lower end side) separated from the ceiling wall portion 41. The inner peripheral surface of the peripheral wall portion 44 is slidable with the seal member 31 provided on the outer peripheral surface side of the inner member 25 (inner case 26) so that the outer member 40 can move forward while ensuring the gas sealing property. Is configured.

The lock member 46 is a substantially cylindrical member made of metal such as steel that is plastically deformable, and is configured such that the tip end portion 46a on the side of the ceiling wall portion 41 has a tapered shape (see FIGS. 5 and 7). .. After the forward movement of the outer member 40, the locking member 46 brings the tip end portion 46 a into contact with the protruding portion 30 formed in the vicinity of the open end 27 of the inner case 26 to plastically deform the outer member 40. By restricting the rise, and by locking the tip end portion 46a after plastic deformation into the annular groove 34 formed so as to slightly recess the outer peripheral surface of the inner case 26 on the base side of the protruding portion 30, The outer member 40 is also configured to regulate the backward movement (see FIGS. 6 and 8).

The mounting bracket 50 is made of elastically deformable sheet metal, and as shown in FIG. 4, a holding portion 51 that holds the inner member 25, and a mounting seat 2 b that extends from the holding portion 51 and serves as the body-side member 1. And a mounting piece portion 60 (60F, 60R) attached to the.

The holding portion 51 is arranged so as to surround the periphery of the outer peripheral side of the inner member 25 on the end side of the inner portion, and more specifically, to the right when viewed from the vertical direction side (axial direction side of the inner member 25). It has a substantially U-shape with the side opened (see FIGS. 4 and 10). Then, in the holding portion 51, the front wall portion 52 and the rear wall portion 56, which are arranged to face each other in the front-rear direction, sandwich the inner member 25 from both front and rear sides orthogonal to the moving direction (vertical direction) of the outer member 40. And two opposing pieces arranged to face each other. An opening 57 into which the screw rod portion 66 of the bolt 65 can be inserted is formed in the rear wall portion 56 at a position corresponding to the through hole 28 formed in the inner member 25 (inner case 26). The openings 57 are formed at two positions on the vertical direction side, corresponding to the through holes 28. In the case of the embodiment, the opening 57 is configured so that the small diameter portion 69 of the head 67 of the bolt 65 can be inserted, and has a diameter slightly larger than the through hole 28 formed in the inner case 26 ( (See FIGS. 9 and 10). More specifically, the opening 57 is set to a size such that a large diameter portion 68 of the head 67, which will be described later, cannot be inserted therethrough. A two-hole nut 54, which is separate from the front wall portion 52, is provided as a screw hole portion for fastening the screw rod portion 66 in the front wall portion 52 arranged on the tip end 66a side of the screw rod portion 66. .. In the case of the embodiment, as shown in FIGS. 4 and 9, the two-hole nut 54 is arranged such that the two screw holes 54 a and 54 a are arranged in parallel in the vertical direction corresponding to the through holes 28. A flange portion 54b is provided on the front edge side so as to project outward over the entire circumference. Then, the two-hole nut 54 as the screw hole portion is configured such that the flange portion 54b is brought into contact with the peripheral edge of the opening 53 formed in the front wall portion 52, so that the opening 53 is formed in the front wall portion 52. In the inserted state, it is fixed to the peripheral edge of the opening 53 by welding. The two-hole nut 54 is arranged so as to project rearward from the front wall portion 52.

The front wall portion 52 and the rear wall portion 56 as the facing pieces are separated from each other by a distance so that the bolt 65 is inserted into the opening 57 and the through hole 28 of the inner case 26 (insertion hole 37a of the resin portion 37). When fastening to the screw hole 54a of 54, the peripheral edge portion 53a of the opening 53 in the front wall portion 52 and the peripheral edge portion 57a of the opening 57 in the rear wall portion 56 are elastically deformable, and at the time of this elastic deformation, The rear surface 54c of the two-hole nut 54 and the front end side surface 69a (the surface on the screw rod portion 66 side) of the small diameter portion 69 of the head 67, which will be described later, of the bolt 65 are attached to the outer peripheral surface of the peripheral edge of the through hole 28 in the inner case 26. The dimensions are set so that they can come into contact with each other (see B in FIG. 11). Further, the separation distance between the front wall portion 52 and the rear wall portion 56 is set such that the inner member 25 (inner case 26) can be smoothly connected to the two-hole nut 54 and the rear hole 54 when the actuator 21 is mounted on the mounting bracket 50. The size is set so that it can be inserted into the wall portion 56.

The mounting piece portions 60 (60F, 60R) are formed to extend along the front-rear direction from the right end sides of the front wall portion 52 and the rear wall portion 56, respectively, so as to be separated from each other (FIGS. 4, 7). , 8). Each of the mounting piece portions 60F and 60R is configured as a plate shape that is arranged substantially along the front-rear direction so as to be along the mounting seat 2b as the body side member, and is mounted on the front side. Has mounting holes 60a through which bolts 72 for fixing to the mounting seat 2b can be inserted at three positions, and a mounting piece portion 60R disposed on the rear side is mounted to the mounting seat 2b. The mounting holes 60a into which the bolts 72 can be inserted are formed at two locations (see FIGS. 4 and 7).

As shown in FIGS. 4, 9 and 10, the bolt 65 for holding the inner member 25 on the mounting bracket 50 is formed with a threaded rod portion 66 and an enlarged diameter on the side of the base portion 66 a of the threaded rod portion 66. And a head 67. In the case of the embodiment, the head portion 67 is formed so as to have a small diameter portion 69 on the side of the screw rod portion 66 and a large diameter portion 68 on the end portion end side, and to have a step. The bolt 65 causes the tip side surface 69 a of the small diameter portion 69 to abut on the peripheral edge of the through hole 28 in the inner case 26, and the tip side surface 68 a of the large diameter portion 68 to the peripheral edge of the opening 57 formed in the rear wall portion 56. The screw rod portion 66 is fastened to the screw hole 54a of the two-hole nut 54 fixed to the front wall portion 52 so as to be brought into contact with the portion 57a (see FIGS. 9 and 10).

In the flip-up device U of the embodiment, the gas generator 23 of the actuator 21 is activated when an operating circuit (not shown) detects or predicts a collision between the vehicle V and a pedestrian by a signal from the sensor 6. Therefore, the generated working gas G pushes up the outer member 40 as the pushing portion. The push-up head portion 42 disposed on the upper end side of the outer member 40 makes its upper surface abut against the receiving seat 16 constituted by the connecting plate portion 15 of the hinge arm 14, and as shown in FIG. The rear end 10c of the hood panel 10 is lifted so as to widen the gap (deformation space S) between the hood panel 10 and the engine room.

Further, in the flip-up device U of the embodiment, the mounting bracket 50 mounted on the mounting seat 2b serving as the body side member of the vehicle V includes the front wall portion 52 and the rear wall including the inner member 25 of the actuator 21 as two facing pieces. By arranging the threaded rod portion 66 of the bolt 65 which penetrates the inner member 25 in a state of being arranged between the portion 56 and the two-hole nut 54 as a screw hole portion formed in the front wall portion 52, The inner member 25 is held. At this time, the peripheral portion of the screw hole portion (in the embodiment, the rear surface 54c of the two-hole nut 54) and the head portion (in the embodiment, the tip side surface 69a of the small diameter portion 69) are shown in FIG. As indicated by B, the outer wall surface 26c of the inner case 26 of the inner member 25 (through-hole) is elastically deformed while the front wall portion 52 and the rear wall portion 56 are elastically deformed as the screw rod portion 66 is fastened to the two-hole nut 54. Since the inner member 25 is sandwiched by being abutted against the peripheral portion of the hole 28), the front wall portion 52 and the rear wall portion 56 are used like washers, so that the inner member 25 is not rattled. It is possible to suppress the generation and stably hold the mounting bracket 50.

Therefore, in the flip-up device U of the embodiment, the actuator 21 can be stably fixed to the mounting bracket 50.

Further, in the flip-up device U of the embodiment, the through hole 28 through which the threaded rod portion 66 of the bolt 65 can be inserted is provided on the inner member 25 on the side along the moving direction of the outer member 40 (vertical direction side). Since the two rods are arranged side by side, relative rotation of the inner member 25 (rotation along the facing surfaces of the front wall portion 52 and the rear wall portion 56) at the time of fastening the screw rod portion 66 to the two-hole nut 54. ) Can be suppressed, and the fastening work is easy. If such a point is not considered, only one through hole may be provided.

In addition, in the embodiment, as the screw hole portion, the two-hole nut 54 formed separately from the front wall portion 52 of the mounting bracket 50 is fixed to the front wall portion 52 by welding. Like the mounting bracket 50A, the screw hole portion 75 may be integrally formed in the front wall portion 52A by burring or the like.

More specifically, in the flip-up device U of the embodiment, a stepped bolt having a step on the head 67 is used as the bolt 65 for holding the inner member 25 on the mounting bracket 50. The opening 57 formed in the rear wall portion 50 of the 50 is configured so that the small diameter portion 69 of the head portion 67 can be inserted therein. In the flip-up device U of the embodiment, when the screw rod portion 66 is fastened to the two-hole nut 54, the peripheral wall portion 53a of the opening 53 to which the two-hole nut 54 is fixed in the front wall portion 52 and the rear wall portion. In FIG. 11, the peripheral portion 57a of the opening 57 through which the small diameter portion 69 is inserted is elastically deformed as shown in FIG. 11, so that the rear surface 54c of the two-hole nut 54 and the tip side surface of the small diameter portion 69. 69a is in contact with the peripheral portion of the through hole 28 on the outer peripheral surface of the inner case 26, and the two-hole nut 54 and the small-diameter portion 69 (the head 67) of the bolt 65 fastened to the two-hole nut 54. As a result, the inner member 25 (inner case 26) is sandwiched. Therefore, the inner member 25 can be firmly held by the mounting bracket 50. The contact portion of the inner member 25 with the outer peripheral surface is not limited to that of the embodiment, and the elastically deformed facing pieces (front wall portion, rear wall portion) themselves are brought into contact with the outer peripheral surface of the inner member. It may be configured as follows. Of course, in order to stably hold the inner member, it is desirable to hold the inner member by the head portion of the bolt and the screw hole portion as in the embodiment.

In the embodiment, the flip-up device U for flipping up the rear end 10c side of the hood panel 10 as the push-out portion is described as an example, but the vehicle push-out device of the present invention is not limited to the flip-up device of the embodiment. It is not limited. For example, the present invention may be applied to a flip-up device arranged at four corners of the hood panel so as to push up not only the rear end of the hood panel but also the four corners of the hood panel. The present invention is also applicable to an extruding device for pushing out the knee receiving panel arranged in front of the occupant's knee toward the occupant's knee, an extruding device for pushing out the headrest stored in the headrest of the seat, and the like. Applicable.

DESCRIPTION OF SYMBOLS 1... Body side member, 2... Hood ridge rein hose, 2b... Mounting seat, 10... Hood panel (extrusion part), 21... Actuator, 23... Gas generator, 25... Inner member, 28... Through hole, 40... Outer Member (pressing part), 50, 50A... Mounting bracket, 52, 52A... Front wall part (opposing piece), 53... Opening, 53a... Peripheral part, 54... Two-hole nut (screw hole part), 54c... ... rear wall portion (opposing piece), 57... opening, 57a... peripheral portion, 60 (60F, 60R)... mounting piece portion, 65... bolt, 66... screw rod portion, 67... head portion, 68... large diameter portion, 68a... Tip side surface, 69... Small diameter portion, 69a... Tip side surface, 72... Bolt, 75... Screw hole portion, G... Operating gas, V... Vehicle, U... Hood jumping device (vehicle pushing device).

Claims (6)

A push-out device for a vehicle, which is mounted on a vehicle and moves an push-out portion pushed out to receive an object to be protected from a standby position to an push-out position when operating,
A gas generator that generates a working gas at the time of operation, an inner member that houses and holds the gas generator, and a relative member that is pressed by the working gas generated from the gas generator and separated from the inner member. An actuator having an outer member as the pressing portion that moves forward to
A mounting bracket that holds the inner member and is attached to a body-side member of the vehicle,
A bolt for holding the inner member on the mounting bracket,
It is configured to include
The bolt has a threaded rod portion and a head formed by expanding the diameter on the base side of the threaded rod portion,
The mounting bracket is made of elastically deformable sheet metal,
An attachment piece portion attached to the body side member,
Two facing pieces arranged to face each other so as to sandwich the inner member from both sides orthogonal to the moving direction of the outer member,
Is configured to include,
The inner member includes a through hole through which the screw rod portion can be inserted so as to be along a direction orthogonal to the moving direction of the outer member,
Each of the facing pieces is configured to have an opening into which the screw rod portion can be inserted, at a position corresponding to the through hole.
On the opening side formed in one of the facing pieces arranged on the tip side of the screw rod portion, a screw hole portion that enables the screw rod portion to be fastened is formed,
The screw rod portion in a state of being inserted into the through hole, when being fastened to the screw hole portion, on each of the facing one side facing each other, a peripheral portion of the screw hole portion, and a portion on the head side, Is configured to be in contact with the outer peripheral surface of the inner member so as to sandwich the inner member. The vehicle push-out device according to claim 1, wherein two through-holes are juxtaposed to the inner member on a side along a moving direction of the outer member. The vehicle push-out device according to claim 1, wherein the screw hole portion is configured by disposing a nut formed separately from the facing piece. The vehicle push-out device according to claim 2, wherein the screw hole portion is configured by disposing a two-hole nut formed separately from the facing piece. At the time of fastening the screw rod portion to the screw hole portion, the two-hole nut and the head portion of the bolt are in contact with the outer peripheral surface of the inner member to sandwich the inner member. The vehicle extrusion device according to claim 4. The vehicle push-out device according to claim 1, wherein the screw hole portion is formed integrally with one of the facing pieces.

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