JP4096726B2 - Seat belt wearing promotion device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a seat belt wearing promotion device.
[0002]
[Prior art]
Conventionally, when driving without wearing the seat belt, it is common to call attention with the warning light provided on the instrument panel, but this warning light is difficult to check, so wearing the seat belt Attention may be reduced, and as a result, the seat belt wearing rate may deteriorate.
[0003]
Therefore, when the vehicle is run with the seat belt not worn, the passenger is prompted to wear the seat belt by sound or an image (see, for example, Patent Document 1).
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 2002-212357 (page 3, FIG. 1)
[0005]
[Problems to be solved by the invention]
However, in such a conventional seatbelt attachment / detachment confirmation device, when the seatbelt is not worn, it is merely notified by voice or image, so that it does not give a strong recognition of the seatbelt wearing to the occupant, and as a result, the seatbelt It is hard to say that it will greatly contribute to the improvement of the wear rate.
[0006]
Therefore, the present invention provides a seatbelt wear that can improve the seatbelt wear rate by giving a strong recognition of the beltwear to the occupant by half-opening the glove box provided in front of the passenger compartment when the seatbelt is not worn. A facilitating device is provided.
[0007]
[Means for Solving the Problems]
In the seat belt wearing promotion device of the present invention, seat belt wearing detection means for detecting a wearing state of a seat belt of a vehicle occupant or a worn state, and
A glove box opening means for automatically switching the glove box to a half-open state while switching the lock mechanism of the glove box provided in the passenger compartment to the unlocked state,
Control means for operating the glove box opening means when the ignition switch is turned on and the occupant does not wear the seat belt is provided.
[0008]
【The invention's effect】
According to the present invention, when the seated occupant turns on the ignition switch without wearing the seat belt, the glove box opening means is operated by the control means to forcibly open the glove box in a half-open state, and Even if the glove box is to be closed, the lock mechanism is held in the unlocked state and cannot be locked, so that the half-open state is maintained.
[0009]
When the glove box is in the half-open state in this way, the occupant feels a strong discomfort in appearance, and the occupant strongly recognizes wearing the seat belt in order to normally close the glove box in the half-open state. As a result, the wearing rate of the seat belt can be increased.
[0010]
In addition, the glove box that opens when the seat belt is not worn is kept half open, so that the pop-up of stored items in the glove box can be reduced.
[0011]
On the other hand, during emergency evacuation when you have to start the vehicle without wearing a seat belt, the driving function is not hindered except that the glove box is half-opened, so emergency evacuation can be performed without any problems. .
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0013]
1 to 7 show an embodiment of a seat belt wearing promotion device according to the present invention, FIG. 1 is a perspective view of a vehicle seat and a seat belt, FIG. 2 is a system circuit diagram of the seat belt wearing promotion device, and FIG. Is a perspective view of the tongue and buckle of the seat belt incorporating the seat belt wearing detection means, FIG. 4 is a perspective view showing the half-open state of the glove box, FIG. 5 is a side sectional view showing the closed state of the glove box, and FIG. FIG. 7 is an explanatory diagram showing a flowchart for executing control of the seat belt wearing promotion device.
[0014]
The seat belt wearing promotion device 10 of the present embodiment is applied to a seat belt 11 provided on a vehicle seat 1 as shown in FIG.
[0015]
The vehicle seat 1 includes a seat cushion 2 that supports the weight of an unillustrated occupant and a seat back 3 that supports the back of the occupant, and a headrest 4 is mounted on the center of the upper end of the seat back 3. ing.
[0016]
The seat belt 11 includes a webbing 12 for restraining an occupant, a tongue 13 fixed to a predetermined position of the webbing 12, and a buckle 14 for detachably attaching the tongue 13.
[0017]
One end portion (upper end portion in FIG. 1) of the webbing 12 is movably supported on the upper end portion of the pillar 5 located in the vicinity of one side (left side in the drawing) of the seat back 3, and the distal end portion is further further than the support portion. Is inserted into the pillar 5 and wound around a retractor (not shown) housed in the pillar 5. The other end (the lower end in FIG. 1) of the webbing 12 is coupled to the lower end of the pillar 5.
[0018]
Accordingly, the seat belt 11 in the natural state (unweared state) is such that the webbing 12 is wound around the retractor and one end thereof is stored in the pillar 5, and is unwound from the retractor by being pulled during use. By extending the tongue 13 to the buckle 14 provided below the other side (right side in the drawing) of the seat back 3, the occupant is restrained obliquely downward from the shoulder at the upper portion 12a from the tongue 13 of the webbing 12. At the same time, the occupant's waist is constrained from the tongue 13 by the lower portion 12b.
[0019]
Here, in the seat belt wearing promotion device 10 of the present embodiment, as shown in FIGS. 1 and 2, a buckle switch 20 as a seat belt wearing detection means for detecting a wearing state of the seat belt 11 or not worn, and As shown in FIGS. 4 to 6, the glove box opening means for switching and holding the lock mechanism 31 of the glove box 30 provided in the front part of the passenger compartment to the unlocked state and automatically opening the glove box 30 to the half-open state. 32, and a controller 22 as a control means for operating the glove box opening means 32 when the ignition switch is turned on, that is, when the seat belt 11 is not worn while the ignition switch 21 is turned on. Yes.
[0020]
The operation of the glove box opening means 32 by the controller 22 is detected by the parking switch 23 (corresponding to the stop detection means) for detecting braking or release of the parking brake 15, that is, the parking switch 23 is turned on to detect the braking state. To be prohibited.
[0021]
The parking switch 23 outputs an on signal when the parking lever 15a (see FIG. 1) is pulled and brakes, and outputs an off signal when the parking lever 15a is returned and released.
[0022]
As shown in FIGS. 4 to 6, the glove box 30 is fitted into an opening 6a formed in front of the passenger seat of the instrument panel 6 provided in the front part of the passenger compartment. A glove box lid 33 covering the front side, and a box part 34 integrally formed on the back side of the glove box lid 33, and the lower end of the glove box lid 33 is instrumented via the mounting shaft 35. By attaching the glove box lid 33 to the panel 6 so as to be rotatable and opening the glove box lid 33 toward the front side, the box portion 34 is pulled out integrally with the glove box lid 33.
[0023]
The box portion 34 includes a bottom plate 34a extending from the lower end of the glove box lid 33 to the back side, a pair of left and right side plates 34b, 34c rising in a fan shape from both sides in the vehicle width direction of the bottom plate 34a, a bottom plate 34a and a side plate 34b. , 34c and a back plate 34d for closing the back side.
[0024]
In the present embodiment, as shown in FIG. 4, a warning label that warns wearing of the seat belt 11 on a portion of the side plates 34 b and 34 c where the side plate 34 b on the driver's seat side is exposed in a half-open state of the glove box 30. By attaching L, the glove box 30 is half-opened when the seat belt is not worn, and the driver can recognize that the seat belt 11 is worn by the warning label L.
[0025]
The lock mechanism 31 includes a lock claw 31a provided at the center of the upper end of the glove box lid 33, and urged upward so as to freely move up and down, and a lock hole 31b provided at the upper edge of the opening 6a. As shown, by closing the glove box lid 33, the lock claw 31a engages with the lock hole 31b and is locked.
[0026]
Then, the lock mechanism 31 is released by pulling the open lever 31c forward, the lock claw 31a is lowered, and is released from the lock hole 31b, so that the glove box lid 33 can be opened, and the lock mechanism 31 is locked. After being released, the glove box lid 33 is automatically opened.
[0027]
The glove box opening means 32 includes a lock release mechanism 36 of the lock mechanism 31 and a stopper mechanism 37 that keeps the glove box 30 half open and prevents further opening.
[0028]
The unlock mechanism 36 is provided so as to be vertically movable facing the upper side of the lock hole 31b, and a lower end portion of the unlock mechanism 36 can be inserted into the lock hole 31b, and a rack gear 36b formed on the unlock rod 36a. The first motor M1 that rotates the pinion 36c meshed with the first motor M1.
[0029]
The unlocking rod 36a is normally positioned at a predetermined distance above the lock hole 31b. When the seat belt 11 is not attached, the first motor M1 is driven to lower the unlocking rod 36a. Then, it enters the lock hole 31b and pushes the lock claw 31a engaged with the lock hole 31b to release the lock.
[0030]
The stopper mechanism 37 includes a stay 37a protruding inward of the instrument panel 6 along the side plate 34b from the back surface of the glove box lid 33, and is provided on the instrument panel 6 so as to be movable back and forth. A stopper rod 37b that engages and disengages at the half-open position of the glove box 30 and a second motor M2 that rotates a pinion 37d meshed with a rack gear 37c formed on the stopper rod 37b.
[0031]
The stopper rod 37b is normally retracted forward so as not to interfere with the stay 37a. When the seat belt 11 is not attached, the second motor M2 is driven so that the stopper rod 37b protrudes toward the front side. The tip of the stay 37a is locked.
[0032]
The buckle switch 20 is configured as a normally closed switch. As shown in FIG. 3, the buckle switch 20 is turned on when the seat belt 11 is not worn when the tongue 13 of the seat belt 11 is detached from the buckle 14, and the tongue 13 is inserted into the buckle 14. -It is designed to be turned off when the seat belt 11 that is engaged is worn.
[0033]
In the seat belt wearing promotion device 10 of the present embodiment, the seat belt 11A for the driver's seat and the seat belt 11B for the passenger seat as another seat on which the passenger is seated are configured as shown in FIG. Thus, the driver side buckle switch 20A and the passenger side buckle switch 20B are arranged in parallel, and the passenger side buckle switch 20B is for detecting that a passenger is seated in the passenger seat. A seating sensor 24 is connected in series.
[0034]
The seating sensor 24 is configured as a normally open switch, and is turned on when an occupant is seated in the passenger seat and can output a signal from the passenger seat side buckle switch 20B to the controller 22.
[0035]
As shown in FIG. 2, the controller 22 receives ON / OFF signals of an ignition switch 21, a driver side buckle switch 20A, a passenger side buckle switch 20B, a seating switch 24, and a parking switch 21. It is determined whether or not to output drive signals for the first and second motors M1 and M2 based on each input signal.
[0036]
In the present embodiment, when an occupant is seated in the passenger seat and the seating sensor 24 is turned on, at least one of the driver seat side seat belt 11A and the passenger seat side seat belt 11B is not wearing the seat belt, that is, driving When any one of the seat side buckle switch 20A and the passenger seat side buckle switch 20B is ON, a drive signal is output to the first and second motors M1 and M2 so as to operate the glove box opening means 32. It has become.
[0037]
That is, when the drive signal is output to the first motor M1, the lock release rod 36a is lowered to push out the lock claw 31a from the lock hole 31b, the lock mechanism 31 is released, and the glove box 30 is automatically opened. When the drive signal is output to the second motor M2, the stopper rod 37b moves to the near side and engages the stay 37a, so that the glove box 30 is held in a half-open state.
[0038]
The control of the seat belt wearing promotion device 10 by the controller 22 will be described with reference to the flowchart of FIG. 7. First, it is determined in step S1 that the ignition switch 21 is turned on and the engine is started, and in step S2, the parking switch 21 is activated. And when it is determined that the normally closed driver's seat side buckle switch 20A is ON (seat belt not worn) in step S3, In step S4, drive signals are output to the first and second motors M1 and M2.
[0039]
On the other hand, if it is determined in step S3 that the driver's seat side buckle switch 20A is off (seat belt is worn), the process proceeds to step S5 where the seating switch 24 provided in the passenger seat is on (sitting state), and If it is determined in step S6 that the signal from the passenger side buckle switch 20B is ON (seat belt not worn), the process proceeds to step S4.
[0040]
That is, by the control of steps S3 to S6, when either the driver seat or the passenger seat 11 is not worn, a drive signal is output to the first and second motors M1 and M2, and the glove box 30 is opened to a half-open state.
[0041]
By the way, the ignition switch 21 is turned off in step S1, the parking switch 21 is turned on (braking) in step S2, the seating switch 24 is turned off (empty seat) in step S5, and the passenger side buckle switch 20B is turned off in step S6 (seat belt wearing) ) Is returned to step S1, the drive signal output to the first and second motors M1 and M2 executed in step S4 is prohibited, and the locked state of the glove box 30 is maintained. Is done.
[0042]
With the above configuration, in the seat belt wearing promotion device 10 of the present embodiment, at least one of the passengers seated in the driver's seat and the passenger seat throws in the ignition 17 with the seat belt 11 not worn, and parking When the brake 15 is released and the vehicle is ready to start, the controller 22 outputs a drive signal to the first and second motors M1 and M2 to forcibly open the glove box 30 to a half-open state, and Even if the glove box 30 is closed, it cannot be locked, so that the half-open state is maintained.
[0043]
Thus, when the glove box 30 is in the half-open state, the occupant feels a strong sense of discomfort in appearance, and the occupant strongly recognizes the wearing of the seat belt 11 in order to close the glove box 30 in the half-open state normally. As a result, since the occupant wears the seat belt 11, the wearing rate of the seat belt 11 can be increased.
[0044]
At this time, the wearing effect of the seatbelt 11 can be further enhanced by using a warning by sound or image together.
[0045]
Further, since the glove box 30 that is opened when the seat belt 11 is not worn is in a half-open state without being fully opened, it is possible to reduce the pop-up of the stored items in the glove box 30.
[0046]
By the way, at the time of emergency evacuation for starting the vehicle urgently, there is no time to wear the seat belt 11 and the glove box 30 is in a half-open state. However, the driving function is inhibited except that the glove box 30 is half-open. Therefore, emergency evacuation can be performed without problems.
[0047]
By the way, in this embodiment, in addition to the above-described effects, the operation of the glove box opening means 32 by the controller 22 is prohibited when the parking switch 23 is turned on and a stop state is detected. For example, when the engine is idling and resting in the vehicle, the parking brake 15 is kept in a braking state so that the glove box 30 is half-opened even when the seat belt 11 is not worn. Can be prevented.
[0048]
In the present embodiment, the stop state is detected by the braking of the parking brake 15. However, the present invention is not limited to this, and the vehicle speed may be detected and it may be determined that the vehicle is stopped when the vehicle speed is zero. it can.
[0049]
Further, when the passenger is seated in the passenger seat, the controller 22 operates the glove box opening means 32 when at least one of the driver seat and the passenger seat is not wearing the seat belt. It is possible to effectively promote the wearing of the seat belt 11 of the passenger on the passenger seat.
[0050]
By the way, although the seatbelt wearing promotion apparatus 10 of the present invention has been described by taking the above embodiment as an example, the present invention is not limited to this embodiment, and various embodiments can be adopted without departing from the gist of the present invention. The present invention may be applied only to the seat belt 11 in the driver's seat, and the present invention can be applied to the seat belt in the rear seat without being limited to the passenger seat.
[Brief description of the drawings]
FIG. 1 is a perspective view of a vehicle seat and a seat belt according to an embodiment of the present invention.
FIG. 2 is a system circuit diagram of the seat belt wearing promotion device according to the embodiment of the present invention.
FIG. 3 is a perspective view of a tongue and buckle of a seat belt incorporating a seat belt wearing detection means according to an embodiment of the present invention.
FIG. 4 is a perspective view showing a half-open state of a glove box in one embodiment of the present invention.
FIG. 5 is a side cross-sectional view showing a closed state of a glove box in one embodiment of the present invention.
FIG. 6 is a side sectional view showing a half-open state of a glove box in one embodiment of the present invention.
FIG. 7 is an explanatory diagram showing a flowchart for executing control of the seat belt wearing promotion device according to the embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Seat belt wearing promotion apparatus 11 Seat belt 11A Driver's seat seat belt 11B Passenger seat belt 15 Parking brake 20 Buckle switch (seat belt wearing detection means)
20A Driver side buckle switch 20B Passenger side buckle switch 21 Ignition switch 22 Controller (control means)
23 Parking switch (stop detection means)
24 Seat sensor 30 Glove box 31 Lock mechanism 32 Glove box opening means 33 Glove box lid

Claims (3)

Seat belt wearing detection means for detecting whether the vehicle occupant is wearing or not wearing a seat belt; and
A glove box opening means for automatically switching the glove box to a half-open state while switching the lock mechanism of the glove box provided in the passenger compartment to the unlocked state,
And a control means for activating the glove box opening means when the ignition switch is turned on and the occupant is not wearing the seat belt. The vehicle is further provided with a stop detection means for detecting that the vehicle is in a stop state, and when the stop state is detected by the stop detection means, the control means prohibits the operation of the glove box opening means. The seat belt wearing promotion device according to claim 1. 3. The seat according to claim 1, wherein the control means operates the glove box opening means when at least one of the driver's seat and the other seats on which the occupant is seated is not wearing a belt. Belt wear promoting device.

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