KR102080916B1 - Chair type foldable stretcher - Google Patents

Abstract

Embodiment of the present invention is a back frame, the seat back seat is arranged, the seat seat hinged to the back frame, hinged to the lower portion of the back frame and the first frame to support the load of the patient. The second frame is hinged to the back frame and the seat seat, respectively, the front wheel is coupled to the lower frame, the handle frame is coupled to the upper portion of the back frame, the endless track is coupled to the side of the first frame extending in the longitudinal direction of the first frame, And a rear wheel portion coupled to the lower portion of the first frame. Since the first frame can be pivoted with the back frame and can be inclined with each other, the endless track can be arranged in correspondence with the inclination of the stairs so that it can move in orbit, so that the chair-type folding stretcher can stably transport patients on the stairs. It is about.

Description

Chair type folding stretcher {CHAIR TYPE FOLDABLE STRETCHER}

The present invention relates to a stretcher for patient transport, and more particularly, to a stretcher that is foldable and capable of stably transporting a patient to a staircase.

When an emergency patient occurs as a result of an accident, stretchers are used to safely transport the patient. Currently, various types of stretchers, such as stretchers that can be transformed into wheelchairs and portable folding stretchers, are used.

In modern society, there are many skyscrapers in the city and it is increasing. When a patient is upstairs in a building, rescue workers may need to transport the patient up the stairs if the elevator is not available. In this case, the general stretcher is equipped with wheels, so that the patient can be transported quickly on a flat surface. However, it is difficult to transport the wheels on the stairs, so the rescuers must lift the trucks. Therefore, there is a problem that the physical strength of the rescuer is severe, and the speed of patient transportation is slowed down.

Republic of Korea Patent Publication 10-2011-0007665

The chair-type folding stretcher according to the embodiment of the present invention is intended to be able to transport the patient stably and quickly without lifting the stretcher when transporting the patient on the stairs to solve the above-mentioned problems.

Chair-type folding stretcher for transporting the patient according to an embodiment of the present invention, the seat frame is hinged to the back frame, the seat frame is hinged to the back frame, the hinge is coupled to the lower portion of the back frame, the bearing supporting the patient One frame, hinged to the back frame and the seat seat, respectively, the second frame is coupled to the front wheel at the bottom, the handle frame is coupled to the top of the back frame, coupled to the side of the first frame, in the longitudinal direction of the first frame And a rear wheel portion which is coupled to the extended caterpillar and the lower portion of the first frame. The first frame is rotatable with the back frame and can be inclined with each other to provide a chair-type folding stretcher that can move in orbit by having an endless track disposed corresponding to the inclination of the stairs.

In the present embodiment, the rear wheel portion includes a plurality of driving wheels radially spaced apart from each other based on the base and the center of the base rotatably coupled to the first frame, the rear wheel portion a plurality of driving the base when overcoming obstacles Any of the wheels can be rotated using the rotation axis.

Chair-type folding stretcher according to the present embodiment, the first coupling portion and the handle frame for coupling the back frame and the second frame can be adjusted to adjust the angle formed by the second frame to each other and the second coupling coupled to the back frame frame height adjustable It may include at least one of the parts.

In this embodiment, the caterpillar is disposed behind the rear wheel portion, the first frame is inclined with respect to the back frame, and the caterpillar is in contact with the step edge when moving the stairs, the rear wheel portion may not contact.

In the present embodiment, the maximum width of the rear wheel portion formed by coupling a plurality of driving wheels to each other may be smaller than the width of the caterpillar.

The chair-type folding stretcher according to the present embodiment may include a fixing part capable of fixing a form in which the first frame and the backrest frame are inclined to each other.

The chair-type foldable stretcher according to the embodiment of the present invention includes an endless track and the endless track contacts the edges of the stairs so that the patient can be transported while moving in orbit, and thus the patient transportation to the stairs can be made stable. In addition, it can be folded to be easy to store and carry.

1 is a perspective view showing a chair-type folding stretcher according to an embodiment of the present invention.
Figure 2 is a perspective view showing a modified form of the chair-type folding stretcher according to the embodiment of the present invention.
Figure 3 is a view showing a view from behind the chair-type folding stretcher according to an embodiment of the present invention.
Figure 4 is a perspective view showing a folded state of the chair-type folding stretcher according to the embodiment of the present invention.

The invention will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various forms, and only the present embodiments make the disclosure of the present invention complete, and those of ordinary skill in the art to which the present invention belongs. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Meanwhile, the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and / or “comprising” refers to the presence of one or more other components, steps, operations and / or elements. Or does not exclude additions. Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are only used to distinguish one component from another.

Hereinafter, with reference to the accompanying drawings will be described embodiments of the present invention;

1 is a perspective view showing a chair-type folding stretcher according to an embodiment of the present invention. Figure 2 is a perspective view showing a modified form of the chair-type folding stretcher according to the embodiment of the present invention. Figure 3 is a view showing a view from behind the chair-type folding stretcher according to an embodiment of the present invention.

1 to 3, the chair-type foldable stretcher 1000 according to the embodiment of the present invention is for carrying a patient. Specifically, the patient is to transport the patient stably even when evacuating through the stairs in a crisis situation. The stretcher 1000 includes a back frame 1100, a back seat 1200, a seat seat 1300, a first frame 1400 to which the rear wheel part 1420 is coupled, and a second frame 1500 to which the front wheel 1510 is coupled. ), The handle frame 1600, the crawler 1410 and the rear wheel unit 1420 may include.

The back frame 1100 may be a portion to which the back seat sheet 1200 supporting the back of the patient is coupled. The backrest seat 1200 may be hinged to the backrest frame 1100 to be tilted.

The seat seat 1300 may be hinged to the lower portion of the backrest frame 1100. The seat seat 1300 may be a portion supporting the buttocks of the patient.

The first frame 1400 may be hinged to the lower portion of the back frame 1100. The first frame 1400 may be a portion that supports the load of the patient. The first frame 1400 may be hinged to the back frame 1100 to be pivotable. In addition, the first frame 1400 and the backrest frame 1100 may be inclined to each other. The first fixing part 1700 may be disposed below the backrest frame 1100. The first fixing part 1700 may fix a form in which the first frame 1400 and the backrest frame 1100 are inclined to each other. For example, the first fixing part 1700 may include a gear 1710 and a lever 1720. The gear 1710 may be disposed on a portion of the first frame 1400 positioned at a portion hinged to the back frame 1100 and rotate in conjunction with the rotation of the first frame 1400. The lever 1720 may be disposed at one side of the backrest frame 1100 located close to the portion where the gear 1710 is disposed. One end of the lever 1720 may be a shape that can be engaged with the teeth of the gear 1710, the other end may be a handle shape. The patient or the stretcher 1000 operator may insert one end of the lever 1720 into the gear 1710 to fix the arrangement of the first frame 1400 and the back frame 1100.

In addition, a spring-shaped elastic member 1810 may be coupled along the outer circumferential surface of the hinge shaft 1800 to the hinge shaft 1800 that forms a hinge coupling between the back frame 1100 and the first frame 1400. One end of the elastic member 1810 has a ring shape, it may be coupled to the first frame 1400 by hooking. Therefore, as the inclination angles formed from the parallel state of the first frame 1400 and the back frame 1100 increase, the restoring force of the elastic member 1810 acts to support the weight of the stretcher 1000 user and to support the first frame. An arrangement structure of the 1400 and the backrest frame 1100 may be maintained.

The caterpillar 1410 may be coupled to the side of the first frame 1400. It may be provided in a pair of caterpillar 1410, it may be connected to each other by a connecting shaft 1411 may be coupled to the first frame (1400). The caterpillar 1410 may be formed to extend in the longitudinal direction of the first frame 1400. As the first frame 1400 can form an inclination with respect to the backrest frame 1100, the endless track 1410 is disposed in correspondence with the inclination of the stairs, so that the first frame 1400 is in contact with the edges of the stairs to make the track movement. The patient can be transported.

The rear wheel unit 1420 may be coupled to a lower portion of the first frame 1400. The rear wheel unit 1420 may include a base 1421 and a plurality of driving wheels 1422. The base 1421 may be rotatably coupled to a lower side of the first frame 1400. A bearing may be disposed between the first frame 1400 and the base 1421 so that the rotation of the base 1421 may be smoothly performed. The driving wheels 1422 may be provided in plurality, and may be radially spaced apart from each other based on the center of the base 1421, and may be coupled to the base 1421. For example, the base 1421 may be shaped like a triangle, and three driving wheels 1422 may be provided to correspond to each vertex portion of the base 1421. When the flat land is moved, two driving wheels 1422 may be in contact with the ground and rotate. When overcoming obstacles such as stairs, the base 1421 may be rotated using any one of the driving wheels 1422 as the rotation axis. Therefore, the base 1421 is rotated when the stairs are up and down, and thus the driving wheel 1422 may be stably contacted with the stairs, thereby enabling smooth movement.

The caterpillar 1410 is disposed behind the rear wheel unit 1420 so that the caterpillar 1410 contacts the edge of the stairs when moving the stairs while the first frame 1400 is inclined with respect to the back frame 1100. Since the rear wheel part 1420 is not in contact, it can be stably moved. The maximum width of the rear wheel unit 1420 formed by coupling the plurality of driving wheels 1422 may be smaller than the width of the crawler 1410. Therefore, only the caterpillar 1410 may move in contact with the edge of the stairs when moving the stairs. In addition, when the first frame 1400 and the back frame 1100 is in parallel when the flat wheels 1420 protrudes further downward than the caterpillar 1410, only the driving wheel 1422 on the ground Can be moved in contact.

Figure 4 is a perspective view showing a folded state of the chair-type folding stretcher according to the embodiment of the present invention.

Referring to FIG. 4, the second frame 1500 may be hinged to the backrest frame 1100 and the seat seat 1300, respectively. The front wheel 1510 may be coupled to a lower portion of the second frame 1500. The second frame 1500 and the back frame may be folded. Accordingly, when carrying the stretcher 1000, the second frame 1500 may be folded and transported toward the back frame 1100. In addition, the volume of the stretcher 1000 can be reduced during storage. The second fixing unit 1520 may be a portion that couples the back frame 1100 and the second frame 1500 to each other. The second fixing unit 1520 may be a pin-shaped member. The second fixing unit 1520 may be coupled to adjust the angle formed by the back frame 1100 and the second frame 1500 to each other. A plurality of holes may be formed along the longitudinal direction of the back frame frame 1100 and the second frame 1500. Then, the backrest frame 1100 and the second frame 1500 are easily disposed in the movement of the stretcher 1000, and the holes formed in the backrest frame 1100 and the holes formed in the second frame 1500 are matched. The shape can be fixed by penetrating the three fixing portions 1610.

The handle frame 1600 may be coupled to an upper portion of the backrest frame 1100. For example, the backrest frame 1100 may be a pipe-shaped member having a hollow in the longitudinal direction, and the handle frame 1600 is a pipe-shaped member having a smaller diameter than the backrest frame 1100, and the hollow of the backrest frame 1100. Can be inserted in The third fixing unit 1610 may couple the handle frame 1600 to the backrest frame 1100 so that the height can be adjusted vertically. The third fixing part 1610 may be disposed at the side of the back frame 1100 and may be inserted into the hollow through the back frame 1100. The handle frame 1600 and the backrest frame 1100 may be arranged to form an appropriate height to facilitate the transportation of the patient, and the third fixing part 1610 may be inserted into and fixed to the side of the backrest frame 1100. . The third fixing unit 1610 may fix the arrangement form of each member by compressing an outer portion of the handle frame 1600. In addition, a plurality of holes may be formed on the side of the handle frame 1600, and the arrangement form of each member may be fixed by inserting the third fixing part 1610 into the holes.

In conclusion, the chair-type foldable stretcher 1000 according to the embodiment of the present invention includes an endless track 1410 and the endless track 1410 contacts the edges of the stairs so that the patient can be transported while orbiting the stairs. Patient transport to and from can be made stable. In addition, the arrangement between the backrest frame 1100 and the handle frame 1600 or the second frame 1500 may be adjusted to facilitate patient transportation. In addition, it can be folded to be easy to store and carry.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it is possible to make various modifications or variations without departing from the spirit and scope of the invention. Accordingly, the appended claims will include such modifications and variations as long as they fall within the spirit of the invention.

1000: stretcher 1100: back frame
1200: seat back 1300: seat
1400: first frame 1410: infinite track
1411: connecting shaft 1420: rear wheel
1421: base 1422: driving wheel
1500: second frame 1510: front wheel
1520: Second Fixation 1600: Handle Frame
1610: Third Government 1700: First Government
1710: gear 1720: lever
1800: hinge axis 1810: elastic member

Claims (6)

For chair folding folders to transport patients,
A backrest frame on which the backrest sheet is disposed;
Seat seat hinged to the back frame;
A first frame hinged to a lower portion of the back frame and supporting a load of a patient;
A second frame hinged to the backrest frame and the seat seat, and a front wheel coupled to the bottom;
A handle frame coupled to an upper portion of the backrest frame;
An endless track coupled to the side of the first frame and extending in the longitudinal direction of the first frame; And
And a rear wheel unit coupled to a lower portion of the first frame.
Since the first frame is rotatable with the back frame and may be inclined with each other, the endless track may be arranged to correspond to the inclination of the stairs to orbit.
The rear wheel part includes a base rotatably coupled to the first frame, and a plurality of driving wheels radially spaced apart from each other based on the center of the base,
When moving the stairs, the caterpillar is in contact with the edge of the stairs and the orbital movement, the base is rotated to any one of the plurality of wheels to rotate the axis of rotation so that the rest of the plurality of wheels in contact with the step surface Mold folding stretcher. The method of claim 1,
When the obstacle is overcome, the base rotates using any one of the plurality of driving wheels as the rotation axis,
A chair-type folding stretcher in which two of the plurality of driving wheels rotate in contact with the ground when the flat surface moves. The method of claim 1,
The caterpillar is disposed behind the rear wheel portion, when moving the stairway, the endless track is in contact with the edge of the stairs and the rear wheel portion of the chair-type folding stretcher does not contact the edge of the stairs. The method of claim 3,
The maximum width of the rear wheel portion formed by coupling the plurality of driving wheels with each other is a chair-type folding stretcher smaller than the width of the caterpillar. The method of claim 1,
A chair-type folding stretcher including a first fixing part capable of fixing a shape in which the first frame and the backrest frame are inclined to each other. The method of claim 1,
A first fixing part configured to fix and fix an angle formed between the back frame and the second frame; And
A second fixing part fixed to the back frame by adjusting the handle frame up and down; A foldable stretcher comprising at least one of the following.

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