JPH0539713Y2 - - Google Patents

Description

[Detailed explanation of the invention] [Purpose of the invention] (Field of industrial application) This invention is for use in the passenger seats of emergency dispatch vehicles such as pump trucks, special rescue vehicles, chemical fire engines, and police cars handled by fire departments. The present invention relates to a seat device, and particularly to a seat device equipped with an air respirator.

(Prior Art) Conventionally, in the seat device of this type of emergency dispatch vehicle, as shown in FIG. At the same time, a seat bag 84 is fixed to the front surface of the box body 82, and the seat bag 84 is fixed to the front surface of the box body 82.
A structure was adopted in which a cylinder 87 to which a backpack 86 of an air respirator 85 was fixed was placed on top and detachably held by a band 88 or the like.

(Problem to be solved by the invention) However, in the above conventional structure, the cylinder 8
7 is located above the back of a seated member, i.e., a seated person 39, so in the event of an emergency dispatch, it is impossible to carry the backpack 86 carrying the cylinder 87 while sitting, and the ceiling 83a inside the vehicle body 83 is generally Of course, it's so low that I can't even stand up inside the car and carry the backpack 86 on my back. Therefore, after getting off the vehicle at the accident scene, the team members must take down the cylinder 87 from the box 82 and carry it on their backs.
There was a problem that it took a lot of time and effort to put it on. That is, in conventional seat systems, the air respirator 85 was simply carried. In addition, since the cylinder 87 directly faces the head of the seated person 39, the seated person 39 may not wear the helmet 90.
During normal driving without wearing a helmet, there was a problem in which the seated person 39 could be hit directly on the head by a gas cylinder 87 or the like.

This invention aims to solve these problems, and it is possible to ensure the safety of the team members during normal driving, as well as to securely hold the air breathing apparatus, and in the event of an emergency, the team members can It is an object of the present invention to provide a seat device for an emergency dispatch vehicle that allows an air respirator to be quickly attached.

[Structure of the idea]

(Means for Solving the Problems) The seat device for an emergency dispatch vehicle of the present invention has a base fixed to the vehicle body located above the rear of the seat, and an air respirator cylinder is mounted on the lower front side of the base. A support base is provided on which the backpack carrier is placed, and a locking portion is provided on the support base to which the backpack carrier is detachably engaged from the upper rear side,
A seat back is movably supported on the base body from a position in front of the cylinder that hits the back of the seated person to a position above the cylinder, and a seat bag is also supported on the base body so as to move from a position that hits the back of the seated person's head in front of the cylinder to a position above the cylinder. A head tilting restraining device is supported movably to a position, and the head tilting restraining device is provided with a presser portion that presses the cylinder against the base body when the head tilting restraining device is in a position where it hits the back of the head. It is.

(Function) In the emergency dispatch vehicle seat system of the present invention, during normal times or during training, the seat bag is lowered and moved to a position where it hits the back of the crew member, i.e., the seated person, and the head tilt restraint device is lowered to prevent the seated person from moving back. Move it to the position where it hits the back of your head. At this time, a backpack fixed to the cylinder of the air breathing apparatus is placed on the support base of the base, and this backpack is engaged with the locking part of the support from the rear and upper side, and the backpack is attached to the back of the head. The cylinder is firmly held on the base fixed to the vehicle body by the holding portion of the tilt restraining device pressing the cylinder against the base. On the other hand, in case of emergency dispatch, the seat back and the head tilt restraint device are raised and moved to a position above the cylinder. In this state, the cylinder is not held down by the holding part of the head tilt restraint device, and the backpack can be removed from the locking part simply by lifting it upwards, so the team member can quickly remove the backpack that is fixed to the cylinder. You can carry it on your back.

(Embodiment) Hereinafter, the configuration of an embodiment of the seat device for an emergency dispatch vehicle of the present invention will be described based on FIGS. 1 to 4.

Seat base 1 fixed to the bottom inside the vehicle body 11
A seat 14 is provided on the seat 2. The vehicle body 1 is located behind and above the seat 14.
A base body 16 is fixed to 1. This base 16
In this structure, a plurality of pairs of vertical frame members 18 extending in the vertical direction and arranged in the left-right direction are fixed to the front surface of a plurality of horizontal frame members 17 extending in the left-right direction and arranged in the vertical direction.

Air respirators 21 are installed on the front side between the paired vertical frames 18, and each air respirator 21 is equipped with a valve provided at the lower end of a cylinder 22 having a substantially cylindrical shape. A mask 25 is connected to 23 via a hose 24.
Further, a backpack carrier 26 is fixed to the front side of the cylinder 22, and a pair of straps 27 are provided on the backpack carrier 26. Furthermore, the backpack carrier 2
The lower part of the cylinder 6 is a substantially U-shaped frame portion 28 that protrudes downward from the cylinder 22, and the side surface of this frame portion 28 is bent into a substantially L-shape.

Further, at the lower end of the pair of vertical frame members 18,
A support base 31 on which the backpack carrier 26 is placed protrudes forward and is fixed, and on this support base 31, the rear end of the frame 28 of the backpack carrier 26 is detachably attached to the rear side from above. A locking portion 32 to be engaged is provided in a protruding manner. Furthermore, a buffer material 33 is fixed to the upper and middle portions of the pair of vertical frame members 18, with which the cylinder 22 comes into contact from the front.

Furthermore, brackets 34 are fixed to the upper ends of the pair of vertical frame members 18 so as to protrude forward, respectively. The front end portions of a pair of left and right arm portions 37 of a frame member 36 of a head tilting restraining device 35 are respectively supported by these brackets 34 so as to be vertically movable by support shafts 38. The device 35 is located in front of the cylinder 22 and in front of the seat 1.
It is movable from a position corresponding to the rear end of the seated person 39 sitting on the seat 4 to a position behind the seated person 39 and above the cylinder 22. The vehicle main body 11 is provided with a head tilt restraint device stopper 40 that restricts rearward movement of the head tilt restraint device 35. Further, the upper end of a link rod 42 is connected to the rear end of an upper link arm 41 whose front end is fixed to a support shaft 38 to which the head tilt restraint device 35 is fixed, and the upper end of a link rod 42 is connected to the shaft via a free end joint 43 having a large degree of freedom. It is worn. On the other hand, the lower end of the link rod 42 is attached to a free end joint 46 with a large degree of freedom at the rear end of a lower link arm 45 whose front end is fixed to a support shaft 44 rotatably supported on the side surface of the support base 31. It is attached via the shaft. Further, a lever 47 is provided at the front end of the lower link arm 45.
is fixed and protrudes forward, and this lever 4
7 and the rear side of the support base 31, a spring 48 is provided between
is being strung up. The spring 48 is positioned below or above the support shaft 44 at both ends of the rotational range of the lever 47 to urge the lever 47 downward or upward.

Furthermore, the frame member 36 of the head tilting restraining device 35
On the rear side, when this head backward tilt restraining device 35 is in a position where it hits the back of the head of the seated person 39, it comes into contact with the cylinder 22 from the front in a direction substantially orthogonal to the central axis of the cylinder 22. A pair of presser parts 5 having balls 49 that press the
0 is set.

Brackets 51 are fixed to both ends of the upper horizontal frame member 17, and the rear end of the arm body 52 is attached to the support shaft 5.
3, each of which is rotatably supported. The front end of the arm body 52 is attached to the support shaft 5 in a groove 56 formed in the frame member 55 of the seat bag 54.
The seat bag 54 is rotatably and slidably engaged via the cylinder 7, and the seat bag 54 is located from a position in front of the cylinder 22 and against the back of the seated person 39 to a position behind the seated person 39 and above the cylinder 22. It is now possible to move up to Note that the vehicle body 11 is provided with a seat back stopper 58 that restricts rearward movement of the seat back 54. The rotation radius of the seat back 54 is set to be large enough not to interfere with the rotation of the head tilt restraint device 35. Further, a spring 59 is stretched between the intermediate part of the arm body 52 and the rear part of the bracket 51.
9 is positioned below or above the support shaft 53 at both ends of the rotation range of the seat bag 54. Furthermore, the seat bag 5
A ring body (not shown) is fixed to the frame member 55 of the seat bag 54, and a distal end portion of the ring body is removably engaged with the base body 16, so that the seat bag 54 can be attached to the seated person 39. A holding rod 60 is rotatably provided to hold the holding rod in a position against the back of the user.

Further, seat belts 71 are provided on the base body 16 in correspondence with the pair of vertical frame members 18, respectively. Further, a grip bar 72 extending in the left-right direction is provided in front of and above the seat 14.

Next, the operation of the above embodiment will be explained.

During normal times or training, Figure 3 and Figure 1
As shown by the solid line in the figure, the seat bag 54 is lowered and moved to a position that corresponds to the back of the member, ie, the seated person 39, and the tip of the holding rod 60 is engaged with the ring body of the frame member 55 of the seat bag 54. At this time, the front end of the arm body 52 is located at the upper end of the groove 56 of the frame member 55. Also, seat back 5
4 is the support shaft 53 of the arm body 52.
By positioning it lower, the seat back 5
4 is held firmly in the lowered position.

At the same time, the head backward tilt restraining device 35 is lowered and moved to a position where it hits the back of the head of the seated person 39. At this time, the presser part 50 provided on the head backward tilt restraining device 35 comes into contact with the upper part of the outer peripheral surface of the cylinder 22 from the front, and the cylinder 22 is pressed against the base body 16, and the head backward tilt restraining device 35 is pressed against the cylinder 22 from the front. Downward rotation is restricted. In addition, the head tilting prevention device 35
Since the spring 48 that biases the lower link arm 45 that is interlocked with the lower link arm 45 is located below the support shaft 44, as shown by the solid line in FIG. 2, the head tilt restraining device 35 is firmly held in the lowered position. Ru. As described above, the upper part of the cylinder 22 is held down by the presser part 50, and the support stand 31 is engaged with the rear end of the frame part 28 of the backpack 26 which is fixed to the cylinder 22 and placed on the support stand 31. Since the stop portion 32 is engaged from the front, the cylinder 22 is firmly held on the base body 16.

Further, in normal times, the seated person 39 fastens the seat belt 71 and grasps the grip bar 72. The seat back 54 and the head tilt restraint device 35 are connected to the seated person 3.
The seated person 3 wearing the soft cap 73 is located at the position corresponding to the back and the back of the head of the person 9.
Particularly, the head of the vehicle 9 is reliably protected from hitting the cylinder 22, etc., and safety during driving is improved.

On the other hand, in the event of an emergency, the frame member 55 of the seat bag 54 is
The holding rod 60 is removed from the ring body, and the seat back 54 is raised to a position above the cylinder 22. At this time, the front end of the arm body 52 is attached to the frame member 5.
5, and the frame member 55 abuts against the seat back stopper 58. Further, a spring 59 that biases the seat back 54 is attached to the arm body 52.
By being located above the support shaft 53, the seat back 54 is firmly held in the raised position.

Next, the seated person 39 who sat on the seat 14
Rotate the lever 47 upward as shown by the chain line in the figure. Then, the rotation is transmitted to the head backward tilt restraining device 35 via the lower link arm 45, link rod 42, and upper link arm 41, and the head backward tilt restraining device 35 rises and moves above the cylinder 22. It comes into contact with the head tilt restraint device stopper 40. In addition, since the spring 49 that biases the lower link arm 45 is located above the support shaft 44, the head tilt restraining device 35 is firmly held in the raised position.

In this state, the presser part 5 of the head tilting restraint device 35
0 is released from holding the cylinder 22 from the front. Then, the seated person 39 carries the backpack 26 fixed to the cylinder 22 on his back, puts on the mask 25, and puts on the helmet 74. In this way, seat bag 5
4 and the head tilt restraint device 35, the seated person 39 can quickly put on the air breathing apparatus 21. Furthermore, the head tilt restraining device 35 can be easily moved by simply operating a lever 47 located near the seat 14. Then, from the state shown in FIG. 4, the seated person 3
9 stands up, the locking portion 3 of the support stand 31
The frame portion 2 of the backpack carrier 26 is engaged with the backpack carrier 26 from above.
The rear end portion of the cylinder 22 is removed from the locking portion 32 without any problem, and the cylinder 22 is separated from the base body 16 without any problem.

In addition, in the above embodiment, the head tilting prevention device 35
Although the lever 47, which is a switching operation section, is interlocked with the lever 47 via the rod 42 or the like, they may be interlocked via a wire or the like. Further, the switching operation section of the head tilt restraining device 35 is connected to the ceiling inside the vehicle main body 11, the seated person 3
It may be provided at an appropriate position other than the support base 31, such as at a position near the support base 31 or near the grip bar 72. For example, by connecting a wire to the front end of the link arm 45, the position of the switching operation section can be changed freely.

(Effects of the invention) According to the invention, the seat back and the head tilt restraint device are each movably supported on the fixed base located at the rear and upper part of the seat, and the support provided on the front side of the lower part of the base is movably supported. A locking part is provided on the table to which a backpack fixed to the cylinder of the air breathing apparatus is engaged, and a presser part is installed in the head backward tilting restraining device to hold the cylinder when the head tilting restraining device is in a position that hits the back of the head. By moving the seat back and the head tilt restraint device to the position where they hit the back and the back of the head during normal times or during training, it is possible to firmly hold the cylinder that is not worn by the seated person on the base body. The occupant's head, in particular, is reliably protected, improving safety while driving, and by moving the seat back and head tilt restraint device to a position above the cylinder, the cylinder can be quickly accessed. The user can now carry a fixed backpack on his back, and can quickly prepare for emergency dispatch.

[Brief explanation of the drawing]

Fig. 1 is a side view showing an embodiment of the seat device for an emergency dispatch vehicle according to the present invention, Fig. 2 is a side view showing the interlocking relationship between the head tilt restraining device and the lever, and Fig. 3 is the normal FIG. 4 is a perspective view showing the state at the time of emergency dispatch, and FIG. 5 is a side view showing an example of a conventional seat device for an emergency dispatch vehicle. 11... Vehicle body, 14... Seat, 16... Base, 21... Air breathing apparatus, 22... Cylinder, 26
...Backpack, 31...Support stand, 32...Locking part,
35... Head tilt restraint device, 39... Seated person, 5
0... Presser section, 54... Seat back.

Claims (1)

[Scope of Claim for Utility Model Registration] A base body located at the rear and upper part of the seat and fixed to the vehicle body, and a backpack carrier for an air breathing apparatus mounted on the lower front side of the base body, and this backpack carrier is mounted on the lower front side of the base body. a support base provided with a locking portion that is removably engaged from the rear upper side; a seat bag movably supported by the base body from a position in front of the cylinder that touches the back of a seated person to a position above the cylinder; , a head backward tilt restraining device supported on the base body so as to be movable from a position touching the back of the head of the seated person in front of the cylinder to a position above the cylinder; 1. A seat device for an emergency dispatch vehicle, comprising: a presser portion that presses the cylinder against the base body when the head backward tilt restraining device is in a position that touches the back of the head.