JP4198622B2 - Crew protection device - Google Patents

Description

  The present invention relates to an occupant protection device that is provided in a vehicle and protects an occupant.

Among the occupant protection devices that are installed in the vehicle to protect the occupant, a knee bolster that can be moved forward and backward is provided on the instrument panel, and when the occupant is seated in the front seat and the ignition key is turned on, Some have a constant distance from the knee (see, for example, Patent Document 1).
JP 2001-122061 A

  As an occupant protection device different from the occupant protection device described above, there is a seat belt that restrains the occupant to the seat. However, since the seat belt is mounted by the occupant, the vehicle side must be attached to the occupant. There is a need to prompt. For this reason, for example, when the seat belt is not attached to the driver's seat, a warning lamp is turned on on the display unit of the instrument panel. However, there is currently no warning for the passenger seat when the seat belt is not worn.

  Such a warning prompting the user to wear the seat belt is preferably performed as much as possible, and the development of an effective warning method has been desired.

  Therefore, an object of the present invention is to provide an occupant protection device that can issue a warning prompting the user to wear a seat belt.

In order to achieve the above object, the invention according to claim 1 is provided in an instrument panel (for example, the instrument panel 14 in the embodiment) of a vehicle (for example, the vehicle 11 in the embodiment) and a front seat (for example, the embodiment). The front part (for example, the knee bolster body 88 in the embodiment) facing the knee of the passenger seated in the passenger seat 21) (for example, the passenger A in the embodiment), and the forward and backward movement with respect to the passenger seated in the front seat A driving unit (for example, the driving unit 86 in the embodiment), an occupant detection unit (for example, a seating sensor 90 in the embodiment) for detecting the presence or absence of an occupant in the front seat, and a seat belt in the front seat (for example, the embodiment) Seat belt attachment / detachment detecting means (for example, the seat belt in the embodiment) A belt sensor 92), vehicle state detection means (for example, a vehicle state detection device 93 in the embodiment) for detecting whether or not the vehicle is in a travelable state, the occupant detection means, the seat belt attachment / detachment detection means, and the vehicle When it is detected from the detection result of the state detection means that there is an occupant in the front seat and the vehicle is in a travelable state and the seat belt is removed, the driving unit causes the occupant to move the facing portion. Control means (for example, the controller 94 in the embodiment) that moves forward, and a reversibly cushionable cushion portion (for example, the cushion portion 100 in the embodiment) provided in the facing portion, and the cushion portion is inflated. Expansion means (for example, the compressor 105 in the embodiment), and the control means is an occupant side of the facing portion by the driving portion. Is characterized by inflating the cushion portion by said expansion means in conjunction with the forward operation of the.

The invention according to claim 2 is characterized in that, in the invention according to claim 1 , an impact absorbing portion for absorbing an impact input to the facing portion is provided separately from the drive portion.

  According to the first aspect of the present invention, from the detection results of the occupant detection means, the seat belt attachment / detachment detection means, and the vehicle state detection means, the occupant is in the front seat and the vehicle is ready to travel and the seat belt is removed When it is detected that the vehicle is in the state, the control means advances the facing portion toward the occupant side by the drive portion. In this way, by advancing the facing portion from the instrument panel toward the occupant, the occupant is made to recognize the movement and also feels a feeling of pressure and a narrow foot even after the movement. Therefore, after that, when the seat belt attachment / detachment detection means detects that the seat belt is in the mounted state, the control means sets the facing portion to retract, so that the occupant is released from the feeling of pressure and the narrowness of the feet. For this reason, the user is required to wear the seat belt, and as a result, the user can be prompted to wear the seat belt.

Further , from the detection results of the occupant detection means, the seat belt attachment / detachment detection means, and the vehicle state detection means, it is detected that there is an occupant in the front seat and the vehicle is ready to travel and the seat belt is removed. Then, the control means advances the facing portion to the occupant side by the driving portion, and inflates the cushion portion provided at the facing portion by the inflating means in conjunction with this. This allows the occupant to recognize the movement more reliably by advancing the facing part toward the occupant from the instrument panel and inflating the cushion part provided on the facing part, and also the feeling of pressure and the narrowness of the foot after the operation It will make you feel even more. Therefore, the seat belt can be more reliably urged to be attached. In addition, shock absorption can be performed by the cushion portion expanding.

According to the invention of claim 2 , since the drive unit and the shock absorbing unit that absorbs the shock input to the facing unit are provided separately, each structure can be simplified, The reliability design can be easily performed.

The occupant protection device of the reference technology will be described below with reference to FIGS.

FIG. 1 is a side view schematically showing a vehicle body front part structure including an occupant protection device according to a reference technique , and an instrument is mounted on the lower side of a front windshield 13 which is inclined forward and downward in a passenger compartment 12 of a vehicle 11. A panel 14 is provided. A steering support member 15 is fixed to the instrument panel 14 along the vehicle width direction, and both ends of the steering support member 15 are fixed to a front pillar (not shown) that is a vehicle body skeleton member.

As shown in FIG. 2, the occupant protection device 20 of the present reference technology is mainly provided on the passenger seat (front seat) 21 side of the instrument panel 14. The illustrated example shows a left-hand drive vehicle, and the passenger seat is on the right side.

  As shown in FIG. 3, the occupant protection device 20 is fixed to the right side position of the steering support member 15 and extends rearward in the longitudinal direction of the vehicle body, that is, toward the passenger seat 21, and the steering support member 15. And a support portion 25 fixed at an intermediate position from the center in the vehicle width direction.

  The support portion 24 has a substantially flat plate shape that extends rearward in the front-rear direction of the vehicle body, that is, toward the passenger seat 21 side, and is formed with an attachment portion 27 that is bent vertically along the vehicle width direction on the upper end of the extension. In addition, attachment holes 28 are formed through the attachment portion 27, respectively.

  The support portion 25 includes an upper extension portion 31 that extends rearward in the vehicle longitudinal direction from the upper portion of the steering support member 15, that is, the passenger seat 21 side, and a lower extension that extends rearward in the vehicle longitudinal direction from the lower portion of the steering support member 15. It has a projecting part 32 and a erection part 33 that connects the extension tips of the upper extension part 31 and the lower extension part 32, and a mounting hole 34 is vertically formed in the erection part 33. .

  Here, the upper extension 31 protrudes along the edge from the bottom plate 36 extending toward the passenger seat 21 in the vehicle width direction and from both end edges in the vehicle width direction of the bottom plate 36. Side plate portion 37 (only one is shown from the perspective direction) and has a substantially U-shaped cross section that opens downward. In addition, a notch 38 (only one is shown from the perspective direction) is formed on the opposite side of the both side plates 37 from the bottom plate 36.

  Similarly, the lower extension part 32 protrudes along the edge part from the bottom plate part 40 extending to the passenger seat 21 side in the vehicle width direction and the both edge parts of the bottom plate part 40 in the vehicle width direction. And has a substantially U-shaped cross section that opens upward. And the notch part 42 is formed in the intermediate part of the both-sides board part 41 on the opposite side to the baseplate part 40. As shown in FIG.

  The erection portion 33 includes a bottom plate portion 44 that extends vertically in a state along the vehicle width direction, and a side plate portion that protrudes forward in the vehicle body longitudinal direction from both end edges in the vehicle width direction of the bottom plate portion 44 to the end edge portion. 45 (only one is shown from the perspective direction) and has a substantially U-shaped cross section opening forward in the longitudinal direction of the vehicle body. The mounting hole 34 is formed in the bottom plate portion 44 of the installation portion 33.

  The occupant protection device 20 has a frame member 49 that is fixed to the support portions 24 and 25 by bolts 47 that are screwed into the mounting holes 28 and 34 described above. The frame member 49 has mounting flange portions 50 formed on both sides in the vehicle width direction, and through holes 51 are formed in the mounting flange portions 50 in the vertical direction. The frame member 49 is fixed to the support portions 24 and 25 at the mounting flange portion 50 by screwing the bolts 47 inserted into the through holes 51 into the mounting holes 28 and 34 of the support portions 24 and 25. Further, the side wall portions 55 on both sides in the vehicle width direction of the frame member 49 are formed with attachment holes 56 on the upper side and attachment holes 57 on the lower side along the vehicle width direction. Further, the lower wall portion 59 of the frame member 49 is formed with a mounting base portion 60 extending rearward on one side in the vehicle width direction. The mounting base portion 60 has a plurality of, specifically, four locations. Mounting holes 61 (only three are shown from the perspective) are formed.

  The occupant protection device 20 includes an electric motor 64 that is fixed to the mounting base 60 with a bolt 63 that is screwed into the mounting hole 61. The electric motor 64 has mounting flange portions 66 formed on both sides in the vehicle width direction, and through holes 66 are formed in the mounting flange portions 66 in the front-rear direction (only one is shown from the perspective direction). The electric motor 64 is fixed to the mounting base 60 at the mounting flange 65 by screwing the bolt 63 inserted into the through hole 66 into the mounting hole 61 of the mounting base 60. A worm gear 68 is attached to the electric motor 64 so as to extend toward the passenger seat 21 in a state of being attached to the attachment base 60, and the electric motor 64 rotates the worm gear 68.

  The occupant protection device 20 includes a support shaft 70 rotatably supported in the lower mounting hole 57 of the frame member 49, pinion gears 71 fixed to both ends of the support shaft 70, and the support shaft 70. A drive transmission member 73 having an input gear 72 fixed at a position between the pinion gears 71 is provided. The drive transmission member 73 is supported by the mounting hole 57 of the frame member 49 on the support shaft 70, and the worm gear 68 described above is engaged with the upper portion of the input gear 72 in this state.

  The occupant protection device 20 has a base member 76 that is rotatably supported via a support pin 75 in an attachment hole 56 on the upper side of the frame member 49. The base member 76 has a corrugated plate-shaped main portion 77 formed with a plurality of beads extending along the vehicle width direction, and extends forward in the vehicle longitudinal direction from the upper portions of both sides of the main portion 77 in the vehicle width direction. An attachment portion 78 and an arc-shaped rack gear 79 (only one is shown from a perspective direction) extending forward from the lower part of both sides of the main portion 77 in the vehicle width direction in the vehicle front-rear direction. A mounting hole 81 extending in the vehicle width direction is formed in the mounting portion 78, and the base member 76 is a frame member in the mounting portion 78 by a support pin 75 inserted through the mounting hole 81 and the mounting hole 56 of the frame member 49. The upper part of 49 is rotatably supported. Thus, the rack gears 79 on both sides of the base member 76 mesh with the pinion gears 71 on both sides of the drive transmission member 73 while being supported by the frame member 49.

  The occupant protection device 20 includes a cover 84 that is attached to the occupant A side of the base member 76 so as to cover the base member 76 and forms a design surface on the occupant A side. The cover 84 is provided on the passenger seat 21 side of the instrument panel 14 and faces the knee of the passenger A seated in the passenger seat 21.

  As described above, when the electric motor 64 rotates in the forward direction, the occupant protection device 20 rotates the worm gear 68 and the input gear 72, that is, the drive transmission member 73 that meshes with the worm gear 68, thereby rotating the pinion gears on both sides. The rack gear 79 meshing with 71 moves forward to the occupant A side, and the base member 76 and the cover 84 attached thereto rotate around the support pin 75 to advance or push the lower part thereof toward the occupant A side. (State shown in FIG. 5). Further, when the electric motor 64 reverses from this state, the lower portion of the cover 84 moves backward with respect to the occupant A (the state shown in FIG. 4), contrary to the above.

  Here, the base member 76 and the cover 84 fixed integrally form a knee bolster main body (opposing portion) 88 that moves forward and backward with respect to the occupant A's knee.

  Further, the electric motor 64 and the drive transmission member 73 constitute a drive unit 86 that moves the knee bolster body 88 forward and backward with respect to the passenger A seated in the passenger seat 21.

  Furthermore, when the impact is input from the occupant A side to the knee bolster body 88, the upper extension portion 31 and the lower extension portion 32 of the support portion 25 are easily bent from the position of the notch portion 38 to absorb the impact. Thus, an impact absorbing portion 87 that absorbs the impact input to the knee bolster body 88 is configured. As a result, the shock absorbing portion 87 is provided separately from the driving portion 86 described above.

  As shown in FIG. 6, the occupant protection device 20 further includes a seating sensor (occupant detection means) 90 that detects the presence or absence of the occupant A in the passenger seat 21 and a seat that detects the attachment / detachment state of the seat belt 91 in the passenger seat 21. A belt sensor (seat belt attachment / detachment detection means) 92, a vehicle state detection device (vehicle state detection means) 93 for detecting whether or not the vehicle is in a travelable state, a seating sensor 90, a seat belt sensor 92, and a vehicle state A controller (control means) 94 that controls the electric motor 64 of the drive unit 86 based on the detection result of the detection device 93 is included.

  The seating sensor 90 is, for example, a pressure sensor laid inside the passenger seat 21 and detects the seating and leaving of the occupant A based on a pressure change. When the seating of the occupant A is detected, an on signal is output to the controller 94, and when the seating of the occupant A is detected, the output of the on signal to the controller 94 is stopped.

  The seat belt sensor 92 is provided, for example, on the buckle 96 and detects attachment / detachment of the tongue plate 97 to / from the buckle 96. When the tongue plate 97 is attached to the buckle 96, an ON signal is output to the controller 94, and when the tongue plate 97 is removed from the buckle 96, the output of the ON signal to the controller 94 is stopped.

  The vehicle state detection device 93 includes, for example, an ignition switch, a vehicle speed sensor, a gear position sensor, and the like. For example, in the case of an ignition switch, when the ignition switch is in the on position, it indicates that the vehicle is in a travelable state, and when it is outside the on position, it indicates that the vehicle is not in a travelable state. In the case of a vehicle speed sensor, if the vehicle speed is not 0, it indicates that the vehicle is in a travelable state, and if the vehicle speed is 0, it indicates that the vehicle is not in a travelable state. Further, in the case of a gear position sensor provided in the automatic transmission, it indicates that the vehicle is in a travelable state if it is in a position other than the parking position, and indicates that it is not in a travelable state if it is in the parking position. In addition, you may combine these suitably. The vehicle state detection device 93 outputs an ON signal to the controller 94 when the vehicle is in a travelable state, and stops outputting the ON signal to the controller 94 when the vehicle is not in a travelable state.

  The knee bolster body 88 is normally in the initial position retracted from the occupant A side, and the controller 94 advances and retracts the knee bolster body 88 based on the conditions shown in FIG. That is, for example, when the ignition switch is turned on, the controller 94 monitors signals from the seating sensor 90, the vehicle state detection device 93, and the seat belt sensor 92, and the seating sensor 90 moves to the passenger seat 21. An on signal indicating that the vehicle is in motion, the vehicle state detection device 93 outputs an on signal indicating that the vehicle is in a travelable state, and the seat belt sensor 92 is in a state where the seat belt 91 is mounted. When the three conditions of stopping the ON signal shown (that is, indicating that the seat belt sensor 92 is in a state in which the seat belt 91 is removed) are satisfied, the drive unit 86 slowly moves the knee bolster body 88 toward the occupant A by a predetermined amount. And move forward to stop at a predetermined squeeze position. That is, when the vehicle is ready to travel, if the occupant A is seated on the passenger seat 21 and the seat belt 91 of the passenger seat 21 is not attached, the knee bolster body 88 is moved to the occupant A side. It will come out.

  From this state, the seating sensor 90 outputs an ON signal indicating that the passenger A is present in the passenger seat 21, and the vehicle state detection device 93 outputs an ON signal indicating that the vehicle is in a travelable state. When at least one of the three conditions for stopping the ON signal indicating that the seat belt 91 is in the state where the seat belt 91 is attached is not satisfied, the controller 94 is moved to the protruding position by the drive unit 86. The existing knee bolster body 88 is moved backward by a predetermined amount with respect to the occupant A, returned to the initial position, and stopped. That is, for example, when the seat belt 91 of the passenger seat 21 is attached, the knee bolster main body 88 moves backward.

  Further, if the above three conditions are not satisfied from signals from the seating sensor 90, the vehicle state detection device 93, and the seat belt sensor 92, the knee bolster body 88 is all positioned at the initial position.

  Here, when an impact is applied to the knee bolster main body 88 from the passenger A in the passenger seat 21 at the time of a vehicle collision, the impact absorbing portion 87 is mainly deformed to absorb the impact.

According to the occupant protection device 20 of the reference technique described above, the occupant A is present in the passenger seat 21 and the vehicle is ready to travel based on the detection results of the seating sensor 90, the seat belt sensor 92, and the vehicle state detection device 93. When it is detected that the seat belt 91 is removed, the controller 94 advances the knee bolster body 88 to the occupant A side by the drive unit 86. In this manner, the knee bolster body 88 is slowly advanced from the instrument panel 14 toward the occupant A, so that the occupant A recognizes the movement and also feels a feeling of pressure and a narrow foot even after the movement. Therefore, after that, when the seat belt sensor 92 detects that the seat belt 91 is in the mounted state, the controller 94 moves the knee bolster body 88 backward with respect to the occupant A, so that the occupant A in the passenger seat 21 The seat belt 91 is to be worn in order to release from the narrowness of the foot, and as a result, the wearing of the seat belt 91 can be urged.

  In addition, since the drive unit 86 and the shock absorbing unit 87 are provided separately and share functions, it is possible to simplify each structure and to easily design each reliability. it can.

Next, the occupant protection device according to the first embodiment of the present invention will be described below mainly with reference to FIGS. In addition, the same code | symbol is attached | subjected about the part similar to a reference technique, and the description is abbreviate | omitted.

The occupant protection device 20 of the first embodiment is provided with a cushion portion 100 that can be inflated and contracted on the occupant A side of the knee bolster body 88 of the reference technique .

  The cushion portion 100 has a cover 101 provided so as to cover the occupant A side of the knee bolster main body 88, and the upper end portion of the cover 101 is rotatably engaged with the upper end portion of the knee bolster main body 88. .

  The cushion portion 100 includes a spring 102 that is provided between the lower end portion of the cover 101 and the lower end portion of the knee bolster body 88 and biases the cover 101 in a direction close to the knee bolster body 88, that is, in front of the vehicle body. .

  Further, the cushion portion 100 includes an elastic bag 104 provided between the cover 101 and the knee bolster main body 88, a compressor (expansion means) 105 provided in the knee bolster main body 88 for introducing air into the elastic bag 104, and an elastic bag. The valve mechanism 106 shown in FIG.

  When the compressor 105 is driven with the valve mechanism 106 closed, the air is introduced into the expansion / contraction bag 104, so that the expansion / contraction bag 104 is inflated and the cover 101 is advanced to the passenger A side of the passenger seat 21. . That is, the cushion part 100 swells to the passenger A side of the passenger seat 21. When the compressor 105 is stopped and the valve mechanism 106 is opened, the air in the expansion and contraction bag 104 is extracted by the urging force of the spring 102, the expansion and contraction bag 104 contracts, and the cover 101 is urged by the urging force of the spring 102. Retreat from Crew A side. That is, the cushion part 100 contracts to the opposite side with respect to the passenger A of the passenger seat 21.

  Here, since the compressor 105 is used, the cushion part 100 is slowly expanded and contracted.

In the first embodiment, the controller 94 causes the compressor 105 to inflate the cushion portion 100 in conjunction with the advance operation of the knee bolster main body 88 toward the occupant A by the drive portion 86 described above.

  That is, as shown in FIG. 8, the cushion portion 100 is normally in the contracted initial state, and the knee bolster body 88 is normally in the initial position retracted from the occupant A side as described above. For example, when the ignition switch is turned on, the controller 94 monitors signals from the seating sensor 90, the vehicle state detection device 93, and the seat belt sensor 92, and the seating sensor 90 is placed on the passenger seat 21. An on signal indicating that the vehicle is on, the vehicle state detection device 93 outputs an on signal indicating that the vehicle is in a travelable state, and the seat belt sensor 92 is in a state where the seat belt is mounted. 9 is stopped (that is, the seat belt sensor 92 indicates that the seat belt has been removed), the drive unit 86 causes the knee bolster body 88 to be moved as shown in FIG. Advancing slowly to the occupant A side by a predetermined amount and stopping at a predetermined squeezing position, and in conjunction with this, the compressor 05 Slow forward cover 101 to inflate the cushion portion 100 drives the. That is, when the vehicle is ready to travel, if the occupant A is seated on the passenger seat 21 and the seat belt of the passenger seat 21 is not attached, the knee bolster body 88 approaches the occupant A side. At the same time, the cushion portion 100 swells toward the occupant A.

  From this state, the seating sensor 90 outputs an ON signal indicating that the passenger A is present in the passenger seat 21, and the vehicle state detection device 93 outputs an ON signal indicating that the vehicle is in a travelable state. When at least one of the three conditions for stopping the ON signal indicating that the seat belt 92 is in the state where the seat belt is attached is not satisfied, the controller 94, as shown in FIG. Thus, the knee bolster body 88 that has been in the protruding position is retracted by a predetermined amount to the opposite side with respect to the occupant A, returned to the initial position, and stopped, and in conjunction with this, the valve mechanism 106 is opened to bias the spring 102 With this, the cushion part 100 is contracted. That is, for example, when the seat belt 91 of the passenger seat 21 is attached, the knee bolster main body 88 moves backward and the cushion portion 100 contracts and moves backward.

  In addition, when the above three conditions are not satisfied from the signals from the seating sensor 90, the vehicle state detection device 93, and the seat belt sensor 92, the knee bolster body 88 is positioned at the initial position and the cushion portion 100 is contracted. It will be in a state.

According to the occupant protection device of the first embodiment described above, from the detection results of the seating sensor 90, the seat belt sensor 92, and the vehicle state detection device 93, there is an occupant A in the passenger seat 21, and the vehicle is ready to travel. When it is detected that the seat belt 91 has been removed, the controller 94 advances the knee bolster body 88 toward the occupant A by the drive unit 86, and in conjunction with this, the compressor 105 moves the knee bolster body 88 to the knee bolster body 88. The provided cushion part 100 is inflated. As a result, the knee bolster body 88 is moved forward from the instrument panel 14 toward the occupant A, and the cushion portion 100 provided on the knee bolster body 88 is inflated, so that the occupant A can recognize the operation more reliably and is compressed even after the operation. It will make you feel the feeling and the narrowness of your feet. Therefore, the seat belt 91 can be more reliably urged to be attached. In addition, shock absorption at the time of a vehicle collision can also be performed by the cushion part 100 expanding.

As a reference technique, the knee bolster main body 88 and the drive unit 86 may not be provided, and only the cushion unit 100 may be provided and expanded and contracted under the same conditions as described above. In this case, the cover 101 of the cushion part 100 is provided on the instrument panel 14 of the vehicle and becomes a facing part facing the knee of the occupant A seated on the passenger seat 21, and the compressor 105 and the valve mechanism 106 of the cushion part 100 are covered by this cover. It becomes a drive part which makes the passenger | crew A who seated 101 to the passenger seat 21 move forward / backward.

In addition, the occupant protection device 20 according to the first embodiment has been described as an example in which the occupant protection device 20 is provided on the passenger seat side 21;

It is a side view which shows roughly the front part of the vehicle in which the passenger protection device of reference technology was applied. It is a perspective view which shows the instrument panel etc. which contain the passenger | crew protection apparatus of a reference technique . It is a disassembled perspective view which shows the passenger protection device of reference technology . It is a sectional side view which shows the passenger protection device of reference technology , Comprising: The state which has a knee bolster main body in an initial position is shown. It is a sectional side view which shows the passenger protection device of reference technology , Comprising: The state which has a knee bolster main body in the protruding position is shown. It is a control system block diagram of the passenger protection device of reference technology . It is a chart which shows the operating conditions of the passenger protection device of reference technology . BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side sectional view showing an occupant protection device according to a first embodiment of the present invention, showing a state where a knee bolster body is in an initial position and a cushion portion is in an initial state. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side sectional view showing an occupant protection device according to a first embodiment of the present invention, and shows a state in which a knee bolster body is in a protruding position and a cushion portion is inflated. It is a control system block diagram of a crew member protection device of a 1st embodiment of the present invention.

Explanation of symbols

11 Vehicle 14 Instrument panel 21 Passenger seat (front seat)
86 Drive unit 87 Shock absorption unit 88 Knee bolster body (opposite part)
90 Seat sensor (occupant detection means)
91 seat belt 92 seat belt sensor (seat belt attaching / detaching detecting means)
93 Vehicle state detection device (vehicle state detection means)
94 Controller (control means)
100 Cushion part 105 Compressor (expansion means)
A Crew

Claims (2)

A facing portion that is provided on the instrument panel of the vehicle and faces the knees of a passenger seated in the front seat;
A drive unit for advancing and retracting the facing portion to the occupant seated in the front seat;
Occupant detection means for detecting the presence or absence of an occupant in the front seat;
Seat belt attachment / detachment detection means for detecting the attachment / detachment state of the seat belt in the front seat;
Vehicle state detection means for detecting whether or not the vehicle is in a travelable state;
From the detection results of the occupant detection means, the seat belt attachment / detachment detection means, and the vehicle state detection means, there is an occupant in the front seat, the vehicle is ready to travel, and the seat belt is in a removed state. When detected, control means for advancing the facing portion to the occupant side by the drive unit;
Equipped with a,
A reversibly inflatable and inflatable cushion portion provided in the facing portion; and an inflating means for inflating the cushion portion; and the control means is configured to advance the occupant side of the facing portion by the driving portion. The occupant protection device is characterized in that the cushion portion is inflated in conjunction with the inflating means . Apart from the drive unit, the occupant protection device according to claim 1, wherein the impact absorbing portion which absorbs an impact which is input to the opposing portion.

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