JPS6214852Y2 - - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to a patient transport vehicle.

Conventionally, as shown in Fig. 1, patient carriers used to carry patients in hospitals, etc., have a stretcher member b held and fixed in a horizontal position by four supporting legs a, and cannot be folded when not in use. This has disadvantages in that it takes up a lot of space and is bulky and inconvenient to carry when moving to another location or packing.

The present invention solves these drawbacks and provides a convenient patient carrier that can be folded up when not in use, saves space, makes effective use of indoor space, is easily portable, and can be easily and quickly deployed when in use. The purpose is to Therefore, the features of the present invention include a swinging arm whose other end is pivotally connected to one of a pair of support frame members that are pivotally connected so as to be foldable in an intersecting manner; a swinging arm pivotally connected to one end of the swinging arm and having the other end pivotally connected to the other support frame member; a regulating portion penetrating through the pivoting portion of the swinging arm; a regulating member that is inserted into the insertion hole to hold the swinging arm in a horizontal position, and whose regulation member is inserted into and removed from the insertion hole to enable the swinging arm to be folded; a stretcher member that is pivotably pivoted to the upper side of one of the support frame members and removably fixed to the upper side of the other support frame member in the expanded state of the member; The point is that the swinging arm is held horizontally.

Hereinafter, the present invention will be explained in detail based on the illustrated embodiments.

In FIGS. 2 to 5, reference numerals 1 and 2 denote a pair of support frame members made of pipe material bent into a rectangular shape, and the center portions of the left and right sides of the support frame members 1 and 2, respectively. are pivotally connected by support shafts 3, 3, and can be freely folded into a cross shape.

4 are casters rotatably attached near both ends of the lower sides of the support frame members 1 and 2, and some of the casters 4a are equipped with locking devices 5 as shown in the figure.
is attached, and its rotation can be regulated.

Reference numeral 6 denotes a stretcher member for carrying a patient such as a wounded or sick person, and the frame member 7 is made of, for example, pipe material and bent into a rectangular shape, and a cloth body 8 such as a canvas is stretched over the frame member 7 to cover the frame member 7. The stretcher member 6 is swingably pivoted to the upper side of one of the support frame members 1 to constitute a patient transport vehicle. Although not shown, it is also preferable to horizontally suspend a reinforcing plate member on the frame member 7 to make the stretcher member 6 robust. Further, the corner portions of the cloth body 8 are cut out as shown in the figure, and the bent corner portions 9 of the frame member 7 are exposed to the outside. Then, the patient transport vehicle is moved by placing a hand on the corner portions 9 and pulling or pushing them.

Reference numerals 10 and 10 denote a pair of connecting rods fixed to the upper ends of the left and right sides of the support frame member 1 with connecting members 11 such as bolts and nuts.
The frame member 7 is attached to the short cylindrical portion 12 integrally formed at the upper end of the
By inserting one long side 7a of the stretcher member 6
is pivotally attached to the support frame member 1.

Further, the other long side 7b of the frame member 7 constituting the stretcher member 6 has recesses 1 fitted into predetermined portions near both ends thereof.
3 and 13 are recessed, and fitting protrusions 14 and 14 are provided protrudingly on the upper side of the other support frame member 2 to correspond to the fitting recesses 13 and 13, and the stretcher member 6 is
By swinging in the direction of arrow A in the figure, the fitting protrusion 1
4 and 14 are fitted into the fitting recesses 13 and 13, and in the unfolded state, this stretcher member 6 is fixed to the upper side of the other support frame member 2, so that the stretcher member 6 can be held horizontally as shown in the imaginary line. do.

In addition, as a means for fixing the stretcher member 6 to the upper side of the other support frame member 2, as shown in FIG. 7b, and the fitting recess 1
3 and 13 may be recessed in the upper side of the support frame member 2, and the fitting protrusions 14 and 14 may be fitted into the fitting recesses 13 and 13.

Further, as shown in FIG. 8, a locking member 16 having a curved concave surface portion 15 is fixed to the long side 7b of the frame member 7,
It is also preferable that the curved concave surface portion 15 is brought into contact with the upper side of the support frame member 2 so that the upper side half portion of the support frame member 2 is fitted into the locking member 16 and locked.

Reference numeral 17 denotes a lock mechanism for regulating the swing range of the support frame members 1 and 2, that is, the unfolding cross angle, and for maintaining a predetermined swing state (deployed state).The lock mechanism 17 is shown in FIG. As shown, a pair of swinging arms 18 and 19 are pivotally connected to each other, and a regulating member 20 that restricts the swinging of the swinging arms 18 and 19.
, an elastic member 21 such as a coil spring that elastically biases the regulating member 20; and pivot connecting portions 22, 23 formed at one ends of the swing arms 18, 19 with which one end of the elastic member 21 comes into contact; Regulation part 2 of regulation member 20
4 and a cover body 25 that accommodates the elastic member 21 as an internal structure.

Thus, the other end of one swinging arm 18 is pivotally connected to the other end of the swinging arm 18 so as to be swingable, using the connecting tool 11 in common.
The other end of the other swinging arm 19 is pivotally connected to the upper end of the side of the support frame member 2 by a connector 11, and the swinging arms 18, 19 are connected to each other as shown by imaginary lines in FIGS. 4 and 5. By swinging the support frame members 1 and 2 toward each other, the support frame members 1 and 2 can be folded into a flat shape as shown in FIG.

Specifically, the pivoting portions 22 of the swinging arms 18, 19,
The reference numeral 23 is formed into a disk shape having approximately the same shape, and three insertion holes 26 are provided through each of the insertion holes 26 at predetermined intervals in the diametrical direction.
When 2 and 23 are overlapped, the swing arms 18 and 19 become straight as shown in FIG. 27 is one pivot joint 22
is a pivoting tube portion protruding from the outer edge of the center insertion hole 26d of the other pivoting portion 22, and by inserting and connecting the tube portion 27 to the center insertion hole 26d of the other pivoting portion 22, the swinging arm 18,1
9 is pivoted.

The regulating member 20 has a three-pronged regulating portion 24 that is inserted into and removably inserted into the insertion hole 26 at one end, and an annular gripping portion 28 on which a finger is hung is formed at the other end. The resilient member 21 is fitted between the portion 24 and the grip portion 28 in an externally fitted manner.

The cover body 25 has a central hole 29 through which the grip portion 28 of the regulating member 20 is inserted so as to project outward, and holes 30, 30 are formed oppositely on both sides of the central hole 29. Cover half 25a
Similarly, a central hole 31 into which the central regulating part 24a of the regulating member 20 is inserted and removed is opened corresponding to the central insertion hole 26a of the pivoting parts 22 and 23, and opposing holes are provided on both sides of the central hole 31. and a cover half 25b in which holes 32, 32 are opened. Then, the cover halves 25a and 25b are butted against each other, and the pivoting parts 22 and 23, the regulating part 24, and
The resilient members 21 are housed in the cover body 25, respectively, and the pivoting parts 23 are arranged to correspond to the holes 30, 30.
Nut 3 having female threaded portions 33, 33 protruding from
Fixing tools such as screws (not shown) are screwed into the holes 32 and 34, and nuts 36 and 36 are fixed to the nuts 36 and 36, which have female screw portions 35 and 35 that protrude from the pivot portion 22 to correspond to the holes 32 and 32, respectively. The cover body 25 is attached by screwing a tool (not shown).

Therefore, in order to fold the support frame members 1 and 2 in the unfolded state as shown in FIGS. 2, 4, and 5 into the flat shape shown in FIG. If you pull against the force as shown by arrow B,
The regulating portions 24b, 24c are removed from the holes 31, 26, . . . and the swinging arms 18, 19 are made swingable, and can be folded by swinging as shown in the imaginary line. At this time, the central regulating part 24a is set to be slightly longer than the regulating parts 24b, 24c on both sides thereof, and when the regulating member 20 is pulled, the regulating member 20 is prevented from coming off from the holes 26.

Further, the swinging range of the swinging arms 18 and 19 is such that the swinging arm 18 collides with the swinging timing protrusion 37 provided protrudingly from the outer periphery of the pivoting portion 23 of one swinging arm 19. regulated by. That is, in the unfolded state as shown in FIG. 5, the swinging arms 18 and 19 are in a straight line, and the swinging arms 18 collide with the protrusion 37 so that they do not swing downward even if a pressing force is applied from above. The protrusion 37
Its swing is regulated by

In order to change from the folded state shown in FIG. 3 to the unfolded state shown in FIG. 13 and the fitting protrusion 14, the stretcher member 6 is held horizontally on the upper sides of the support frame members 1 and 2.

The present invention has effectively achieved the intended purpose with the configuration detailed above. That is, in this patient carrier, if the swinging arms 18 and 19 are set horizontally, the unfolding and intersecting angles of the support frame members 1 and 2 are regulated. Since it is fixed, assembly work is extremely easy, and
The swinging arms 18 and 19 are held horizontally;
Since the stretcher member 6 is fixed to the upper side of the support frame members 1 and 2, even if a large pressing force is applied to the stretcher member 6 from above, the expanded state of the support frame members 1 and 2 is reliably maintained. , the patient placed on the stretcher member 6 can be safely moved. In addition, the swinging arm 1
By inserting and removing the regulating portions 24 of the regulating member 20 inserted into the insertion holes 26 of the pivoting portions 22 and 23 of 8 and 19 from the insertion holes 26 and folding the swinging arms 18 and 19, it is easy and quick. The support frame members 1 and 2 can be folded. Therefore, when not in use, it can be folded into a flat shape and does not take up much space, making it possible to effectively utilize indoor space.It is also convenient to carry as it does not take up much space when moving or packing it to another location, and it can be used for a large number of patients at once. Transport vehicles can be moved.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing a conventional example, Fig. 2 is a perspective view showing an embodiment of the present invention in an unfolded state, Fig. 3 is a perspective view in a folded state, and Fig. 4 is an enlarged perspective view of main parts.
FIG. 5 is a side view, FIG. 6 is an exploded perspective view of the main part of the locking mechanism, and FIGS. 7 and 8 are side views of the main part of different embodiments, respectively, illustrating the means for fixing the stretcher member. 1, 2... Support frame member, 6... Stretcher member, 1
8, 19... Swinging arm, 20... Regulating member, 22,
23... Pivotal connection part, 24... Regulation part, 26... Insertion hole.

Claims (1)

[Claims for Utility Model Registration] A swinging arm 18, the other end of which is pivotally connected to one of the support frame members 1 of a pair of support frame members 1 and 2, which are pivotally connected so as to be foldable in an intersecting manner; , a swinging arm 19 pivotally connected to one end of the swinging arm 18 and having the other end pivotally connected to the other support frame member 2; 19 through the insertion holes 26... provided through the pivoting parts 22, 23 to hold the swinging arms 18, 19 horizontally, and the regulating part 24 is inserted into and removed from the insertion holes 26... a regulating member 2 that allows the swinging arms 18 and 19 to be folded;
0, and in the expanded state of the support frame members 1 and 2, one support frame member 1 of the support frame members 1 and 2 is provided.
A stretcher member 6 that is pivotally pivoted to the upper side of the other supporting frame member 2 and detachably fixed to the upper side of the other support frame member 2, and the swinging arms 18, 1 of the regulating member 20.
9. A patient transport vehicle characterized in that the patient transport vehicle 9 is held horizontally.