JP3186683U - Mounting structure of air respirator in emergency dispatch vehicle - Google Patents

Abstract

A structure for mounting an air respirator in an emergency dispatch vehicle capable of easily and instantaneously attaching and detaching the air respirator with respect to a housing recess of a seat back of a seat is provided.
An accommodation recess 15 is formed in a seat back 11 having a headrest 20 that moves up and down of a seat 10 in an emergency dispatch vehicle, and a back-loaded air respirator 40 is accommodated in the accommodation recess 15. In the emergency breathing vehicle mounting structure in which the opening 15a of the housing recess 15 that houses 40 is covered with a seat back cushion, the air respirator 40 housed in the housing recess 15 is lowered in the headrest 20 Then, it is configured to be fixed on the back side of the headrest 20 and to release the fixation of the air respirator 40 by the headrest 20 with the headrest 20 raised.
[Selection] Figure 2

Description

  The present invention relates to an air respirator mounting structure in an emergency dispatch vehicle such as a fire engine, a rescue work vehicle, and a police car.

  As an air respirator mounting structure in this kind of emergency dispatch vehicle, one applied to the rear seat of a fire engine shown in FIG. 6 is known (see, for example, Patent Document 1).

  As shown in FIG. 6, in the structure for mounting an air respirator in a fire engine, a body rear wall 2 is formed behind the seat cushion of the rear seat 1 of the fire engine, and a step 2 a below the body rear wall 2 is formed. An accommodation recess 3 is formed between the upper step 2b. On the lower step portion 2a in the housing recess 3, a back-fitted type air respirator 4 is detachably installed with the back abutment portion 4a as the front, and the air respirator 4 is used as a seat back of the rear seat. It is functioning.

  That is, the central rear surface of the cylinder 4c of the air respirator 4 is brought into contact with the bracket 5 fixed to the accommodating recess 3, and the upper portion of the cylinder 4c is fixed to the accommodating recess 3 via the attachment belt 6 that can be attached and detached by one-touch operation. At the same time, the lower end 4b of the backrest portion 4a of the air respirator 4 can be fixed to the lower step portion 2a via a mounting bracket 7 that can be attached and detached by one-touch operation, and the air respirator 4 can be attached to and detached from the lower step portion 2a. It functions as a seat back for the rear seat 1.

  A headrest 9 is fixed to a step 2b above the rear wall 2 of the body via a stay 8, and the head Pa of the occupant (firefighter) P is protected by the headrest 9.

Japanese Utility Model Publication No. 6-3632 (FIG. 1) No. 6-3631 (Fig. 1) Japanese Utility Model Publication 5-39713 (Fig. 1)

  However, in the conventional structure for mounting the air respirator 4 in a fire engine, when the air respirator 4 is attached to and detached from the housing recess 3 formed at the rear of the seat cushion, two mounting devices, a mounting belt 6 and a mounting bracket 7 are attached. If each of these was not operated, the air respirator 4 could not be detached from the housing recess 3 at the rear of the seat cushion, resulting in lack of quickness.

  Accordingly, the present invention has been made to solve the above-described problems, and is provided with a structure for mounting an air respirator in an emergency dispatch vehicle capable of easily and instantaneously attaching and detaching the air respirator to a recess in the seat back of the seat. The purpose is to provide.

  According to the first aspect of the present invention, a housing recess is formed in a seat back provided with a headrest that moves up and down the seat in a fire truck, a back-loaded air respirator is housed in the housing recess, and the air respirator is housed. In an emergency breathing vehicle mounting structure in which the opening of the housing recess is covered with a seat back cushion, the air breather housed in the housing recess is lowered on the back side of the headrest with the headrest lowered. The air respirator is fixed and released by the headrest while the headrest is raised.

  The invention of claim 2 is an air respirator mounting structure in the emergency dispatch vehicle according to claim 1, wherein a link mechanism for moving the headrest up and down is attached to the back surface of the headrest, and a support shaft of the link mechanism, The air respirator cylinder can be freely pressed when the headrest is lowered, and the support shaft of the link mechanism can be separated from the air respirator cylinder when the headrest is raised.

  As described above, according to the invention of claim 1, the state where the air respirator accommodated in the accommodation recess of the seat back of the seat is fixed on the back side of the headrest with the headrest lowered, and the headrest is raised With this configuration, the air respirator can be easily and instantaneously detached from the seat recess of the seat back by a simple operation of raising and lowering the headrest. .

  According to the invention of claim 2, the support shaft of the link mechanism attached to the back of the headrest allows the air respirator cylinder to be freely pressed when the headrest is lowered, and from the air respirator cylinder when the headrest is raised. Since the support shaft of the link mechanism can be separated, the support shaft of the link mechanism that moves the headrest up and down can also be used as a fixture to fix the cylinder of the air respirator, thereby reducing the number of parts. Therefore, the overall structure can be simplified and the cost can be further reduced.

1 is a perspective view of an air respirator-embedded sheet to which an air respirator mounting structure according to an embodiment of the present invention is applied. It is a perspective view which shows the state which removed the seat back cushion of the said sheet | seat. It is a perspective view of the principal part which shows the state which fixed the cylinder of the air respirator with the headrest of the said sheet | seat. It is a perspective view of the principal part which shows the state which lifted the said headrest and cancel | released fixation of the cylinder. (A) is a side view of the main part showing a state in which the cylinder is fixed by the support shaft of the link mechanism attached to the back surface of the headrest, (b) is a side view of the main part showing a state in the middle of lifting the headrest, (C) is the side view of the principal part which shows the state which lifted the headrest and canceled fixation of the cylinder. It is a side view which shows roughly the attachment structure of the conventional air respirator.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  1 is a perspective view of an air respirator-embedded seat to which an air respirator mounting structure according to an embodiment of the present invention is applied, FIG. 2 is a perspective view showing a state in which a seat back cushion of the seat is removed, and FIG. FIG. 4 is a perspective view of the main part showing a state in which the air respirator cylinder is fixed by the headrest of the seat, FIG. 4 is a perspective view of the main part showing a state in which the headrest is lifted and the cylinder is released, and FIG. FIG. 5B is a side view of the main part showing a state in which the cylinder is fixed by the support shaft of the link mechanism attached to the back surface of the headrest. FIG. 5B is a side view of the main part showing a state in the middle of lifting the headrest. (C) is the side view of the principal part which shows the state which lifted the headrest and canceled fixation of the cylinder.

  FIG. 1 and FIG. 2 show an air respirator-embedded sheet 10 in which an air respirator 40 mounting structure is applied to a passenger seat of a fire engine as an emergency dispatch vehicle. In other words, the air breathing apparatus embedded seat 10 is a seat that has a backrest portion (seat back) 11 based on a passenger seat of a chassis standard and can accommodate a backpack type air breathing apparatus 40. The air respirator 40 can be quickly attached and detached, and the space in the vehicle can be used effectively.

  As shown in FIGS. 1 and 2, the air respirator-embedded sheet 10 includes a seat back 11 including a headrest 20 that moves up and down. The seat back 11 is attached so as to be parallel to both sides 12b and 12b of the frame body 12 along a substantially square frame-shaped frame body 12 made of pipes and a bottom U-shaped frame 12a of the frame body 12. The formed rear plate 13, side bodies 14 and 14 attached to both side portions 12 b and 12 b of the frame body 12, and the frame body 12, the rear plate 13, and the pair of side bodies 14 and 14 are formed in a concave shape. The seat back cushion 16 covers the opening 15a of the housing recess 15 that houses the back-type air respirator 40.

  As shown in FIGS. 3 to 5, a pair of holding fittings 17 </ b> A and 17 </ b> A that hold both sides of the cylinder 41 of the air respirator 40 are screwed to the rear plate 13 of the seat back 11. Further, on the bottom U-shaped frame 12 a of the frame body 12, a mounting plate 17 </ b> B for mounting the protective metal fitting 45 of the air respirator 40 is attached.

  As shown in FIGS. 2 to 5, a pair of parallel link mechanisms 30 and 30 for moving the headrest 20 up and down are attached to the back surface 21 of the headrest 20. The pair of parallel link mechanisms 30 includes upper links 31 and 31 that are pivotally supported by a pair of brackets 18 and 18 attached at one end to the upper portion 12c of the frame body 12, and the pair of upper links 31 and 31. The rod-shaped first support shaft 32 spanned between the other end portions of the first and second ends of each of the pair of upper links 31, 31 is pivotally supported by the first support shaft 32. The link 33, 33, the rod-like second support shaft 34 spanned between the other end portions of the pair of middle links 33, 33, and the other end portion of the pair of middle links 33, 33 have one end portion Lower links 35 and 35 pivotally supported by a pair of brackets 19 and 19 that are pivotally supported via two support shafts 34 and whose other end portions are fixed to the rear plate 13 of the seat back 11. It is configured. Cylindrical holding cylinders 36 are fixed inside the pair of upper links 31, 31. The headrest 20 is attached to the pair of upper links 31 and 31 by inserting and fixing a pair of mounting rods 22 and 22 protruding downward from the back side of the headrest 20 to the pair of holding cylinders 36 and 36.

  3 and 5A, when the headrest 20 is lowered through the pair of parallel link mechanisms 30 and 30, the second support shaft 34 of the pair of parallel link mechanisms 30 and 30 is fully closed. However, the upper part of the cylinder 41 of the air respirator 40 accommodated in the accommodating recess 15 of the seat back 11 is pressed to fix the cylinder 41 of the air respirator 40. Further, as shown in FIG. 5B, when the headrest 20 is slightly raised through the pair of parallel link mechanisms 30 and 30, the second support shaft 34 of the pair of parallel link mechanisms 30 and 30 is an air respirator. As shown in FIGS. 4 and 5 (c), when the headrest 20 is fully raised, the air respirator 40 is moved by the second support shaft 34 of the pair of parallel link mechanisms 30, 30. The fixation is released.

  As shown in FIG. 2, the shoulder-type air respirator 40 includes a cylinder 41 for high-pressure air, a backrest body 42 having a shoulder / waist belt for carrying the cylinder 41, and a cylinder through an air supply hole 43. 41, a mask 44 connected to 41, a protective metal fitting 45 attached to the lower end of the backrest 42, and the like.

  Then, as shown in FIGS. 5A to 5C, the cylinder 41 is attached to the lower end portion of the spine body 42 that bears the cylinder 41 while being pressed against the rear plate 13 of the seat back 11. It is placed on the mounting plate 17B on the bottom side U-shaped frame 12a of the frame 12 of the seat back 11 through the protective metal fitting 45. At this time, as shown in FIGS. 1 and 2, the mask 44 connected to the cylinder 41 via the air supply hole 43 is placed on the shelf 13 a provided at the upper end of the rear plate 13. It has become.

  According to the mounting structure of the air respirator 40 in the fire engine of the above embodiment, as shown in FIGS. 3 and 5A, the air respiration accommodated in the accommodating recess 15 of the seat back 11 of the air respirator embedded sheet 10. The cylinder 41 of the container 40 is fixed by the second support shaft 34 between the pair of parallel link mechanisms 30 and 30 that move the headrest 20 up and down in the fully closed state in which the headrest 20 is lowered.

  Then, when the seat back cushion 16 covering the opening 15a of the housing recess 15 of the seat back 11 is removed from the opening 15a and the headrest 20 is raised by hand as shown in FIGS. By a simple operation, the headrest 20 is fully opened, and the first between the pair of parallel link mechanisms 30 and 30 holding the cylinder 41 of the air respirator 40 housed in the housing recess 15 of the seat back 11 is pressed. The two support shafts 34 are lifted in conjunction with the headrest 20, the fixation is released, and the air respirator 40 can be easily and instantaneously taken out from the accommodation recess 15 of the seat back 11. As a result, it is possible to prepare for the installation of the air respirator 40 before arriving at the fire site, and activities can be performed quickly.

  Thus, the cylinder 41 of the air respirator 40 accommodated in the accommodating recess 15 of the seat back 11 of the air respirator embedded sheet 10 is fixed on the back side of the headrest 20 in the fully closed state with the headrest 20 lowered, Since the cylinder 41 of the air respirator 40 by the back side of the headrest 20 is released in the fully opened state where the headrest 20 is raised, the air respirator-embedded sheet can be easily operated by raising and lowering the headrest 20 by hand. The air respirator 40 can be easily and instantaneously detached from the accommodating recesses 15 of the ten seat backs 11. Furthermore, since it is fixed by the back side of the headrest 20, there is no jump out of the air respirator 40 due to sudden braking or the like when the fire truck travels, and it is safe.

  Further, the second support shaft 34 between the pair of parallel link mechanisms 30 and 30 for moving the headrest 20 up and down can also be used as a fixture for fixing the cylinder 41 of the air respirator 40, and a separate fixture such as a holder is required. Therefore, the number of parts can be reduced correspondingly, and the simplification and cost reduction of the entire structure of the air respirator-embedded sheet 10 can be further achieved.

  In addition, according to the said embodiment, although the attachment structure of the air respirator of the front passenger seat which is a front seat in a fire engine was demonstrated, it is needless to say that it can apply to a rear seat. Further, the target vehicle is not limited to a fire truck, and may be an emergency dispatch vehicle such as a rescue work vehicle.

  Further, according to the embodiment, the link mechanism is attached to the back surface of the headrest provided in the seat back of the seat, and the cylinder of the air respirator is fixed by the support shaft of the link mechanism, but the headrest is moved up and down. The mechanism is not limited to the link mechanism, and the cylinder of the air respirator may be fixed directly on the back surface of the headrest.

10 Air Respiratory Embedded Seat (Seat)
DESCRIPTION OF SYMBOLS 11 Seat back 15 Accommodation recessed part 15a Opening part 16 Seat back cushion 20 Headrest 21 Back surface 30 Parallel link mechanism (link mechanism)
34 Second spindle (support axis)
40 Air Respirator 41 Cylinder

Claims (2)

An accommodation recess is formed in a seat back provided with a headrest that moves up and down on a seat in an emergency dispatch vehicle, a back-loaded air respirator is accommodated in the accommodation recess, and an opening of the accommodation recess that accommodates the air respirator is formed. In the mounting structure of the air breather in the emergency dispatch vehicle that is covered with the seat back cushion,
The air respirator housed in the housing recess is fixed on the back side of the headrest with the headrest lowered, and the air respirator is unfixed by the headrest with the headrest raised. An air respirator mounting structure in an emergency dispatch vehicle characterized by that. A structure for mounting an air respirator in an emergency dispatch vehicle according to claim 1,
A link mechanism for moving the headrest up and down is attached to the back surface of the headrest, and a support shaft of the link mechanism allows the air respirator cylinder to be freely pressed when the headrest is lowered, and when the headrest is raised, An attachment structure for an air respirator in an emergency dispatching vehicle, wherein a support shaft of the link mechanism is configured to be separated from a cylinder of the air respirator.

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