JP4220136B2 - Stretcher fixing device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a stretcher fixing device that fixes a stretcher, which is a movable bed in a vehicle such as an ambulance or a care vehicle, in a vehicle interior.
[0002]
[Prior art]
As a conventional stretcher fixing device, for example, as shown in FIG. 5, a round bar-shaped holder 03 is extended and fixed to a vehicle side wall by front and rear brackets 01 and 02, and a front end portion of the holder 03 is fixed. It is known that a bowl-shaped front catcher 04 is attached to the holder, and a holder catcher 05 is attached to the rear end of the holder 03. Although detailed description is omitted, the holder catcher 05 includes a first claw fixed to the holder 03 and a second claw that can move relative to the first claw in the axial direction, and can open and close both claws. The relative movement of the second claw is configured to be operated by a holder handle 06 provided coaxially at the rear end of the holder 03.
The conventional stretcher fixing device is installed at a predetermined height corresponding to the height of the stretcher. When in use, the front catcher 04 is first engaged with a predetermined portion of the stretcher frame and moved forward and left and right. After the state is not set, a predetermined portion of the frame of the stretcher is held by the holder catcher 05 and fixed so that the stretcher does not move back and forth and right and left in the vehicle interior.
[0003]
[Problems to be solved by the invention]
However, in the above-described prior art, the holder handle 03 always protrudes from the side wall of the vehicle, so that there is a problem that the effective compartment space is narrowed when the stretcher is not fixed.
[0004]
The present invention has been made paying attention to the above-mentioned problems, and aims to expand the effective vehicle compartment space when the stretcher is not fixed, and further increases the capacity by expanding the effective vehicle compartment space. The purpose is that.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention includes a holder extending in the front-rear direction, a front catcher provided at the front of the holder and engaged with the stretcher, and a stretcher provided at the rear of the holder. in stretcher fixing apparatus provided with a holder catcher capable of holding the, provided with an arm for supporting the holder relative to the vehicle body, rotatably attached to the arm in the storage position and the use position with respect to the vehicle body, The arm is arranged such that the holder is arranged at a position lower than the use position at the storage position, and a fixing means for fixing the holder to the use position and the storage position is provided on the arm, Folding sheets are installed in overlapping positions, and the folding sheet and holder interfere with the folding sheet in use when the holder is in the used position, but in the folded state Not interfere with the folding sheets, the holder storage position, characterized by being installed in a relationship does not interfere with the folding sheet use state and folded state.
[0008]
Operation and effect of the invention
In the present invention, the holder for fixing the stretcher is rotated between the use position and the storage position by the arm. Therefore, in the storage position, the vehicle compartment can be effectively used by being arranged at a position that does not interfere with the vehicle compartment.
[0009]
Further , the vehicle compartment can be effectively used by disposing the storage position at a position lower than the use position. Further, since the arm is fixed by the fixing means at the use position and the storage position, generation of noise or the like can be prevented.
[0010]
Moreover , when fixing a stretcher, a folding sheet | seat is made into a folding state, a holder is arrange | positioned in a use position, and a stretcher is fixed. Further, when the stretcher is not fixed, the holder is placed in the storage position, and in this state, the folding seat can be used and can be seated. In this way, it is possible to install the folding seat at a position where the holder cannot be installed if the holder is fixed as in the conventional case, and it is possible to effectively use the vehicle without restricting the vehicle interior space. It becomes.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
In describing the stretcher fixing device SR of the present embodiment, first, the configuration of the stretcher S to be fixed will be described.
FIG. 4 is a perspective view showing an example of the stretcher S. This stretcher S is very general, and a mat 2 is supported on the frame 1, and four wheels 3 are attached to the lower end of the frame 1. Each wheel 3 has a so-called caster structure in which the rotation center axis can be swung around a vertical axis, and a lock lever 4 is provided for restricting the swivel rotation. .
The frame 1 is provided with a front vertical frame 1f and a rear vertical frame 1r.
[0012]
Next, the stretcher fixing device SR of the embodiment will be described.
FIG. 1 is a perspective view of the stretcher fixing device SR of the embodiment, and FIG. 2 is a front view of the stretcher fixing device SR of the embodiment.
The stretcher fixing device SR is attached to the round bar-shaped holder 11 extending in the front-rear direction, the front catcher 12 attached to the front end of the holder 11, and the rear end of the holder 11 as in the prior art. A holder catcher 13 is provided.
The front catcher 12 is formed in a bowl shape with the tip bent rearward. On the other hand, the holder catcher 13 includes a rear claw 13r with the tip bent forward and a front claw 13f with the tip bent rearward. It is provided facing. The rear claw 13r is fixed to the holder 11, but the front claw 13f is movable in the axial direction (front-rear direction) by a holder handle 14 provided at the rear end of the holder 11.
[0013]
A front arm 21 and a rear arm 22 are fixed to the holder 11 at the front and rear, and these arms 21 and 22 are supported so as to be rotatable up and down around a rotation shaft 23 fixed to the vehicle body. .
[0014]
Here, the vehicle structure of the part where the stretcher fixing device SR of the embodiment is provided will be described. This vehicle has a one-box structure such as an ambulance or a care vehicle, and the stretcher fixing device SR of the embodiment is It is provided in the vicinity of the side wall 31 at the rear end of the vehicle. Moreover, the folding sheet | seat 40 is installed in the front-end part of the stretcher fixing device SR of embodiment.
The folding sheet 40 includes a metal bracket 41 fixed to the floor F, an arm 42 extending from the bracket 41 toward the center of the vehicle, and extending upward from the tip thereof, and pivoting to the tip of the arm 42. A seat cushion 43 supported so as to be able to be supported, and a seat back 44 that can be folded by being rotated relative to the seat cushion 43 are provided. Therefore, in the folded state, as shown by the solid line in FIG. 2, the folding seat 40 has the back surface of the seat back 44 facing the side wall 31 and the back surface of the seat cushion 43 facing the vehicle central side in the vicinity of the side wall 31. In the use state, as shown by an imaginary line in FIG. 2, the back surface of the seat cushion 43 is disposed to face the floor F.
[0015]
The rotation shaft 23 of the stretcher fixing device SR of the present embodiment is supported on the folding seat 40 at a position slightly below the back surface of the seat cushion 43 in use. The front end portion of 23 is fixed to the bracket 41 of the folding sheet 40 via the arm 25, and the rear end portion of the rotating shaft 23 is fixed to the floor F by the bracket 24. The bracket 24 may be fixed to the side wall 31.
Further, as shown in the perspective view of FIG. 3, a bracket 26 extending vertically is fixed to the fixed shaft 23 in the vicinity of the rear arm 22, and concentric stoppers are respectively provided on the upper end portion and the lower end portion of the bracket 26. Holes 26a and 26b are opened. On the other hand, a plunger 27 is fixed to the rear arm 22 at a position where the shaft center overlaps the concentric circles of the stopper holes 26a and 26b. The plunger 27 includes a rod 27a which can be inserted into and pulled out from the stopper holes 26a and 26b. When the rod 27a is inserted into the stopper holes 26a and 26b, the front and rear arms 21 and 22 and the holder 11 with respect to the rotating shaft 23 are provided. The positions where the rotation is restricted by the stopper holes 26a and 26b are the use position indicated by the solid line in FIGS. 1 and 2 and the storage position indicated by the imaginary line in FIG. is there.
[0016]
In the present embodiment, when the stretcher fixing device SR is used, first, the folding sheet 40 is folded, the rod 27a of the plunger 27 is pulled out from the stopper hole 26b, and the holder 11 is used. It is rotated upward to a use position above the seat cushion 43, and at this position, the rod 27a of the plunger 27 is inserted into the stopper hole 26a to fix the rear arm 22 and the holder 11.
The stretcher S is fixed by the stretcher fixing device SR, and the fixing procedure is the same as in the prior art. First, the front vertical frame 1f of the stretcher S is hooked on the front catcher 12, and then the rear part of the stretcher S is attached. The rear vertical frame 1r is rotated so as to approach the side wall 31 and is disposed at the position of the holder catcher 13. At this time, when the holder handle 14 is operated to separate the front claw 13f of the holder catcher 13 from the rear claw 13r once and the rear vertical frame 1r is arranged immediately before the rear claw 13r, the holder handle 14 is operated. The front claw 13f is slid rearward, the rear vertical frame 1r is held by both claws 13f and 13r, and the stretcher S is fixed.
[0017]
Next, when the stretcher fixing device SR is not used, the rod 27a of the plunger 27 is pulled out from the stopper hole 26b, the rotation restriction of the rear arm 22 is released, and the holder 11 is rotated downward to the retracted position. 27 rods 27a are inserted into the stopper holes 26b and fixed in this retracted position.
In this retracted state, the holder 11 and the front and rear arms 21 and 22 are disposed below the position of the seat cushion 43 of the folded seat 40 in use, so that the folded seat 40 can be used. .
[0018]
As described above, in the present embodiment, since the holder 11 is rotated up and down between the use position and the storage position, the effective space of the vehicle compartment can be expanded when the stretcher S is not fixed. Thus, the folding seat 40 that cannot be installed with the holder 11 fixed as in the prior art can be installed, so that the number of passengers on the vehicle can be increased and the vehicle utilization efficiency can be improved.
[0019]
As explained above, in this embodiment,
As mentioned above, although embodiment was described with drawing, this invention is not limited to this embodiment.
For example, in the embodiment, the folding sheet 40 is provided at a position overlapping the stretcher fixing device SR, but the folding sheet 40 is not essential.
Further, in the embodiment, the arms 21 and 22 are supported by the single rotation shaft 23. However, each of the arms 21 and 22 may have a separate rotation shaft. You may make it support in a different site | part.
In the embodiment, the holder 11 is rotatably supported by two arms, but the number of arms may be one or three or more.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a stretcher fixing device according to an embodiment.
FIG. 2 is a front view showing the stretcher fixing device of the embodiment.
FIG. 3 is a perspective view showing a main part of the stretcher fixing device according to the embodiment.
FIG. 4 is a perspective view showing a stretcher to be fixed.
FIG. 5 is a perspective view showing a conventional technique.
[Explanation of symbols]
1 frame 1f front vertical frame 1r rear vertical frame 2 mat 3 wheel 4 lock lever 11 holder 12 front catcher 13 holder catcher 13f front claw 13r rear claw 14 holder handle 21 front arm 22 rear arm 23 rotating shaft 24 bracket 25 Arm 26 Bracket 26a Stopper hole 26b Stopper hole 27 Plunger 27a Rod 31 Side wall 40 Folding seat 41 Bracket 42 Arm 43 Seat cushion 44 Seat back S Stretcher SR Stretcher fixing device

Claims (1)

A holder extending in the front-rear direction;
A front catcher provided at the front of the holder and engaged with the stretcher;
A holder catcher provided at the rear of the holder and capable of holding a stretcher ;
In the stretcher fixing device with
An arm for supporting the holder with respect to the vehicle body is provided, and the arm is attached to the vehicle body so as to be rotatable between a use position and a storage position ,
The arm is arranged such that the holder is arranged at a position lower than the use position in the storage position, and the arm is provided with a fixing means for fixing the holder to the use position and the storage position.
A folding sheet is installed at a position overlapping with the holder of the vehicle body in the vertical direction, and the folding sheet and the holder interfere with the folding sheet in use when the holder is in the use position, but the folding sheet in the folded state Stretcher fixing device , wherein the holder is installed in a relationship that does not interfere with the folded sheet in the used state and the folded state when the holder is in the retracted position .

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