KR102488395B1 - Stretcher - Google Patents

Abstract

A stretcher is initiated. In the stretcher according to an embodiment of the present invention, the upper plate elements and the lower plate are connected to the middle plate elements by sliding rails so as to move in the direction of the inside or outside of the accommodation space provided in the middle plate elements along the longitudinal direction. The elements, folding or unfolding, by pivoting about a hinge located therebetween, include intermediate plate elements, upper plate elements and lower plate elements, and separate wheels connected or separated via one or more connecting means.

Description

Stretcher {STRETCHER}

The present invention relates to a stretcher.

Since Korea's mountainous area accounts for about 70% of the country's land, there is a risk of injury during military operations and general hiking. In the case of injuries that make it difficult to walk in the mountains, emergency rescue through mountain rescue teams and helicopters is required.

However, most existing stretchers are bulky and difficult to carry, and have problems in that they are difficult to use outside of flat areas due to their small wheels.

The present invention aims to address the aforementioned needs and/or problems.

In addition, an object of the present invention is to implement a stretcher in which the location of the stretcher can be changed to minimize the volume of the stretcher, such as separating or folding parts constituting the stretcher so as to be portable.

In addition, the present invention is provided with wheels that can be moved adaptively even in rough terrain such as mountainous terrain where the ground is not uniform, so it is easy to move even in rough terrain, and the shock transmitted from the ground during movement is not transmitted to the patient as it is Realization of a stretcher aims to do

In the stretcher according to an embodiment of the present invention, the upper plate elements and the lower plate are connected to the middle plate elements by sliding rails so as to move in the direction of the inside or outside of the accommodation space provided in the middle plate elements along the longitudinal direction. elements; Intermediate plate elements that are folded or unfolded by rotating about the hinge part located therebetween; and detachable wheels connected or separated from the upper plate elements and the lower plate elements via one or more connecting means.

In one embodiment, at least two intermediate plate elements are provided, and the at least two intermediate plate elements may be folded or unfolded by pivoting about a hinge part installed at a boundary edge.

In one embodiment, the one or more connecting means may include installable connecting means provided on the upper plate elements and lower plate elements, and detachable connecting means connected to the installable connecting means and detachable wheels.

In one embodiment, the connecting means may include installable connecting means installed directly on the upper plate elements and lower plate elements, and separable connecting means connected between the installable connecting means and separable wheels.

In one embodiment, the installation type connection means may include a first link element having a first bar rotating inward or outward of the upper plate elements around an axis installed at one edge of the upper plate elements, and a first link element of the upper plate elements. A second link element having a second bar rotating inward or outward of the upper plate elements around an axis installed on the other edge facing one edge and a third bar rotating inward or outward of the middle plate element, of the lower plate elements A third link element having a fourth bar rotating inward or outward of the lower plate elements around an axis installed at one edge thereof may be included.

In one embodiment, the separable connecting means includes a fourth link element connected to the front separable wheels and a fifth link element connected to the rear separable wheels, the fourth link element comprising first and second link elements. The fifth link element may be connected to the third and fourth bars provided in the second and third link elements.

In one embodiment, the fourth link elements may be provided in a number equal to the number of split wheels in the front.

In one embodiment, the fifth link element is designed in a bar-like shape penetrating the rear detachable wheels, and the third and fourth link elements are formed through connection holes perpendicular to the longitudinal direction of the fifth link element. Can be connected to a bar.

In one embodiment, the detachable wheel includes (i) a rotatable rotation shaft connected to the fourth and fifth link elements, and (ii) a connection portion coupled to the rotation shaft and extending in a radial direction about the rotation shaft, and an end of the connection portion. It may include a plurality of wheel blades coupled together and including an arc-shaped distal end.

In one embodiment, the bent distal ends of the plurality of wheel blades may have a predetermined curvature such that the combination of the plurality of wheel blades exhibits the shape of a non-continuous circle.

In one embodiment, the connection part may include an inelastic part directly connected to the distal end, and an elastic part capable of being stretched or compressed.

In one embodiment, the elastic part may be disposed between the inelastic part and the rotating shaft so that the inelastic part is compressed or expanded by external pressure.

The effect of the stretcher according to an embodiment of the present invention will be described as follows.

In the present invention, the location of the stretcher can be changed to minimize the volume of the stretcher by separating or folding parts constituting the stretcher so as to be portable.

In addition, according to the present invention, wheels capable of being adaptively movable even in rough terrain such as mountainous terrain where the ground is not uniform are provided, so that it is easy to move even in the rough terrain, and shock transmitted from the ground during movement can be prevented from being transmitted to the patient as it is.

The effects obtainable in the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below. .

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included as part of the detailed description to aid understanding of the present invention, provide examples of the present invention and, together with the detailed description, describe the technical features of the present invention.
1 is a schematic diagram of a state in which a stretcher is assembled according to an embodiment of the present invention;
Figure 2 is a schematic diagram of a state in which the stretcher is disassembled according to an embodiment of the present invention,
3a to 3f are schematic diagrams of a mobile process of a stretcher according to an embodiment of the present invention;
4 is a diagram for explaining link elements of a stretcher;
5 is a view for explaining a detachable wheel of a stretcher,
6 is a schematic diagram of the state change of the detachable wheel of the stretcher,
7 is a view for explaining the sliding rail of the stretcher.

Hereinafter, the embodiments disclosed in the present invention will be described in detail with reference to the accompanying drawings, but the same or similar components are given the same reference numerals regardless of reference numerals, and redundant description thereof will be omitted. The suffixes "module" and "unit" for components used in the following description are given or used together in consideration of ease of writing the specification, and do not have meanings or roles that are distinct from each other by themselves. In addition, in describing the embodiments disclosed in the present invention, if it is determined that a detailed description of related known technologies may obscure the gist of the embodiments disclosed in the present invention, the detailed description will be omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in the present invention, the technical idea disclosed in the present invention is not limited by the accompanying drawings, and all changes included in the spirit and technical scope of the present invention , it should be understood to include equivalents or substitutes.

Terms including ordinal numbers, such as first and second, may be used to describe various components, but the components are not limited by the terms. These terms are only used for the purpose of distinguishing one component from another.

It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle.

Singular expressions include plural expressions unless the context clearly dictates otherwise.

In this application, terms such as "comprise" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

1 is a schematic diagram of a state in which a stretcher 100 according to an embodiment of the present invention is assembled,

Referring to FIG. 1 , a stretcher 100 according to an embodiment of the present invention may include an upper plate element 110, a lower plate element 130, a middle plate element 120, and a detachable wheel 160. can

The upper plate element 110 and the lower plate element 130 are connected to the middle plate element 120 by a sliding rail so as to be moved inward or outward of the accommodation space provided in the middle plate element 120 along the longitudinal direction. The upper plate element 110 and the lower plate element 130 are formed to have shorter lengths than the middle plate element 120 in the longitudinal direction. Accordingly, the upper plate element 110 and the lower plate element 130 inserted into the middle plate element 120 may be arranged not to be exposed outside the area of the middle plate element 120 .

The sliding rail is installed on the middle plate element 120 in its longitudinal direction to support the easy sliding movement of the upper plate element 110 and the lower plate element 130 . The sliding rail can be adjusted to a locked or unlocked state according to a user's manipulation. A detailed description of the sliding rail refers to FIG. 6 .

Middle plate element 120 is disposed between upper plate element 110 and lower plate element 130 . At least two intermediate plate elements 120 are provided, and a hinge is installed between the at least two intermediate plate elements 120 . The middle plate elements 120 rotate about the hinges installed therebetween, and as a result, they can be folded or unfolded.

Since the middle plate element 120 is longer than the upper plate element 110 and the lower plate element 130, the upper plate element 110 and the lower plate element 130 form an accommodation space for the middle plate element 120. After being inserted into, the upper plate element 110 and the lower plate element 130 may be folded or unfolded together according to the folding or unfolding of the middle plate element 120. As a result, the upper, lower and middle plate elements 120 can be portable with the area of one middle plate element 120 .

The separable wheel 160 may be connected to or separated from the upper plate element 110 and the lower plate element 130 through one or more connecting means. The one or more connection means includes installation type connection means provided on the upper plate element 110 and the lower plate element 130 and separable connection means connected to the installation type connection means and the detachable wheel 160 .

The installation type connection means is a first link element 141 having a first bar 141-1 (bar) rotating inward or outward of the upper plate element 110 around an axis installed at one edge of the upper plate element 110 ) may be included.

In addition, the installation-type connecting means is a second bar 142 that rotates the upper plate element 110 inward or outward around an axis installed on the other edge of the upper plate element 110 to face one edge of the upper plate element 110. -1), and a second link element 142 having a third bar 142-2 pivoting inwardly or outwardly of the intermediate plate element 120.

In addition, the installation type connection means is a third link element 143 having a fourth bar 143-1 rotating inward or outward of the lower plate element 130 around an axis installed at one edge of the lower plate element 130 ) may further include. One edge of the lower plate element 130 is the outermost edge of the lower plate element 130 , away from the center of the stretcher 100 in the longitudinal direction.

The separable connecting means may include a fourth link element 151 connected to the front separable wheel 160 and a fifth link element 152 connected to the rear separable wheel 160 . The fourth link element 151 is connected to the first and second bars 141-1 and 142-1 provided on the first and second link elements 141 and 142, and the fifth link element 152 is It may be connected to the third and fourth bars 142-2 and 143-1 provided on the second and third link elements 142 and 143.

The fourth link element 151 may be provided in the same number as the number of the front detachable wheels 160 . For example, when there are two front detachable wheels 160, a total of two fourth link elements 151 may be provided, one for each wheel. The fourth link element 151 may be independently coupled for each wheel. Accordingly, the front detachable wheel 160 independently rotates left or right, and the direction of the stretcher 100 can be changed according to such rotation.

The fifth link element 152 is composed of a single bar penetrating the rear detachable wheel 160 . The fifth link element 152 may be connected to the third and fourth bars 143-1 through connection holes formed in the body, and the connection holes are formed perpendicular to the longitudinal direction of the fifth link element 152. do. As such, the rear detachable wheels 160 are connected by one bar penetrating them, and the fifth link element 152 rotates left and right by the third and fourth bars 142-2 and 143-1 connected thereto. Since it cannot be done, the rear detachable wheel 160 prevents the front detachable wheel 160 from interfering with direction control.

Figure 2 is a schematic diagram of a state in which the stretcher is disassembled according to an embodiment of the present invention.

Referring to FIG. 2, the plate elements 110, 120, and 130, the link elements 141, 142, 143, 151, and 152, and the detachable wheel 160 included in the stretcher 100 may be separated from each other. can

The first to third link elements 141, 142, and 143 and the fourth and fifth link elements 151 and 152 may be separated from each other, and the first to third coupled to the upper and lower plate elements 130. The link elements 141, 142, and 143 are coupled to the upper and lower plate elements 110 and 130 and are not separated from each other. Instead, the first to third link elements 141, 142, and 143 are the upper, lower, and middle plate elements 110, 120, and 130 such that the plate elements 110, 120, and 130 are folded into a portable state. ) is rotated in the direction of the lower surface of the plate and can be aligned side by side with the corresponding plate elements.

For example, the first bar 141-1 and the second bar 142-1 are rotated inwardly of the upper plate element 110 and arranged side by side with the lower surface of the upper plate element 110, and the third bar ( 142-2) and the fourth bar 143-1 are rotated inwardly of the lower plate element 130 and are aligned with the lower surface of the lower plate element 130. In particular, the third bar 142-2 and the fourth bar 143-1 are designed to have a relatively longer length compared to the first bar 141-1 and the second bar 142-1, but the diameter It is provided as an assembly of two different cylinders, so that one cylinder can be inserted into the other cylinder by an external force. Accordingly, the third and fourth bars 142-2 and 143-1 are adjusted to the same or similar lengths as the first and second bars 141-1 and 142-1, so that the plates are formed on the lower surfaces of the plate elements. elements can be aligned side-by-side.

As such, the stretcher 100 according to the present invention is separated from the plate elements except for the first, second, and third link elements 141, 142, and 143, and the first, second, and third Since the link elements 141, 142, and 143 are aligned with the plate elements, then the upper and lower plate elements 110, 120, and 130 are moved into the accommodation space of the middle plate element 120 Stretcher 100 The volume is significantly reduced, making it easy to carry.

Figures 3a to 3f is a schematic diagram of a mobile process of the stretcher according to an embodiment of the present invention. The stretcher 100 may be portable in the order of FIGS. 3A to 3F. Referring to FIG. 3A , the stretcher 100 includes first, second, and third link elements 143 on lower surfaces of the plate elements. The first, second and third link elements 143 are coupled at different positions. The first link element 141 has a first bar 141-1 extending away from the radial direction of the first link element 141, and the second link element 142 is the second link element 142 It has second and third bars 142-1 and 142-2 extending away from each other in the radial direction of the coupling shaft to be coupled with the plate element, and the third link element 143 is the third link element 143 is the plate It has a fourth bar (143-1) extending away from the radial direction of the coupling shaft to be coupled with the element. The third and fourth bars 142-2 and 143-1 are composed of at least two partial bars so that the total length can be extended as needed. For this length extension, the at least two partial bars constituting the third and fourth bars 142-2 and 143-1 have different radii and are farther from the second and third link elements 142 and 143. It is configured to have a smaller radius as it increases.

Referring to FIG. 3B , the first to third bars 142 - 2 are accommodated in the receiving space located on the lower surface of the upper plate element 110 . The first bar 141-1 is rotated to the lower surface of the upper plate element 110 based on the connection axis of the first link element 141, and the second bar 142-1 and the third bar 142-2 is rotated to the lower surface of the upper plate element 110 based on the connection axis of the second link element 142 .

In addition, the fourth bar 143-1 is accommodated in an accommodation space located on the lower surface of the lower plate element 130 based on the connection axis of the third link element 143. The fourth bar 143-1 is accommodated to the lower surface of the lower plate element 130 based on the coupling axis of the third link element 143.

Here, the rotation direction of the first bar 141-1 and the rotation direction of the second and third bars 142-1 and 142-2 may be opposite. All of the first to third bars 141-1, 142-1, and 142-2 are accommodated on the lower surface of the intermediate plate element 120 or are not rotated. The lower surface of the intermediate plate element 120 is a space in which the upper and lower plate elements 130 will be moved later, and the first to third bars 141-1, 142-1, and 142-2 are only the upper and lower plates. It rotates only on the underside of element 130. When all of the first to third bars 142-2 are rotated, they are organized as shown in FIG. 3C.

Referring to FIG. 3D , the upper plate element 110 and the lower plate element 130 may be moved to an accommodation space formed on a lower surface of the middle plate element 120 . The movement may be sliding. When there are two or more upper and lower plate elements 110 and 130, the upper and lower plate elements 130 may be individually moved to the receiving space on the lower surface of the associated middle plate element 120. When the upper and lower plate elements 130 are moved, they are arranged as shown in FIG. 3E.

After that, the stretcher 100 is folded so that the lower surfaces of the two intermediate plate elements 120 face each other, as shown in FIG.

4 is a diagram for explaining link elements of a stretcher.

Referring to FIG. 4 , the fourth link element 151 may be provided in two connectable configurations as shown in FIG. 1 or integrally combined with them. In FIG. 4 , only one of the two components of the fourth link element 151 is shown, but is not limited thereto. Hereinafter, it will be described on the premise that the two components are connected or combined. The fourth link element 151 connects the first and second link elements 141 and 142 and the separable wheel 160 to each other. The fourth link element 151 is formed with a connection part for connecting to the first and second link elements 141 and 142 and the separable wheel 160, respectively. Accordingly, the fourth link element 151 is connected to the first bar 141-1 of the first link element 141 and the second bar 142-1 of the second link element 142, and is a separable wheel. 160, it provides a structure connected to the first and second link elements 141 and 142 and the detachable wheel 160 via the fourth link element 151. In order to easily couple the plurality of moving components, at least one of each of the connecting parts to be connected to the first and second link elements 141 and 142 is configured to be rotatable.

The fifth link element 152 connects the second and third link elements 142 and 143 and the separable wheel 160 to each other. Connection parts for connection with the second and third link elements 142 and 143 and the separable wheel 160 are respectively formed on the fifth link element 152 . Accordingly, the fifth link element 152 is connected to the third bar 142-2 of the second link element 142 and the fourth bar 143-1 of the third link element 143, and is a separable wheel. 160, it provides a structure in which the second and third link elements 142 and 143 and the separable wheel 160 are connected via the fifth link element 152. Meanwhile, unlike the fourth link element 151, the fifth link element 152 is not provided for each of the separable wheels 160, but is provided in the form of a single bar connected to both of the two separable wheels 160.

The fourth link element 151 is connected to the front detachable wheel 160, and the fifth link element 152 is connected to the rear detachable wheel 160. The fourth link element 151 is provided for each of the detachable wheels 160 positioned at the front, and one fifth link element 152 is provided regardless of the number of detachable wheels 160 positioned at the rear. This is because, as described above, the rear detachable wheels 160 are all connected by one fifth link element 152.

5 is a view for explaining a detachable wheel of a stretcher.

Referring to FIG. 5 , a rotating shaft 162 and a plurality of wheel blades 161 are included.

The rotational shaft 162 is connected to any one of the plurality of fourth or fifth link elements 152 and is rotatably provided. The rotating shaft 162 may be connected to any one of the fourth and fifth link elements 152 through an opening formed in the center. The same number of grooves as the number of wheel blades 161 are formed on the rotating shaft 162 so that the plurality of wheel blades 161 are inserted into each.

The wheel blade 161 is coupled to the rotating shaft 162 and has a connecting portion 161b extending radially around the rotating shaft 162 and a distal end 161a bent in an arc shape coupled to the end of the connecting portion 161b. include The bent end portions 161a of the plurality of wheel blades 161 have a predetermined curvature so that the plurality of wheel blades 161 exhibit a shape of a discontinuous circle as a whole.

The connecting portion 161b may include an inelastic portion 161c directly connected to the distal portion 161a and an elastic portion 161c capable of being stretched or compressed. The elastic part 161c is disposed between the non-elastic part 161c and the rotating shaft 162 . The inelastic portion 161c directly connected to the distal portion 161a may or may not change in length by an external force. The elastic part 161c is a spring part in contact with one end of the non-elastic part 161c, and may be configured as a cage including a spring. At least a part of the inelastic part 161c may be moved inside the cage, and a spring contacting one end of the inelastic part 161c may be compressed or expanded according to the movement of the inelastic part 161c. Accordingly, the elastic part 161c may cause the non-elastic part 161c to be compressed by external pressure or expanded when the external pressure is released. The cage of the non-elastic part 161c and the elastic part 161c may be made of the same or different materials, and may be made of wood, metal, plastic, or alloy, but is not limited thereto.

Figure 6 is a schematic diagram of the state change of the detachable wheel of the stretcher.

Referring to FIG. 6 , the detachable wheel 160 is illustrated as having six wheel blades 161 for overcoming rough terrain. The plurality of wheel blades 161 can be stretched or compressed, respectively, so that even when moving on rough terrain or an obstacle, the shock caused by the obstacle can be alleviated and the movement of the stretcher 100 can be facilitated.

7 is a view for explaining the sliding rail of the stretcher.

As a sliding rail attached to the upper plate element 110, the sliding rail has a locking function. The sliding rail includes at least two locking buttons 172 and 172', a moving rail 171, and a cover rail 173 covering the moving rail 171. The cover rail 173 includes a plurality of openings, and at least two locking buttons 172 and 172' may be exposed to the outside through the plurality of openings formed on the cover rail 173. One end of at least two locking buttons 172 and 172' exposed to the outside protrudes and is exposed on the cover rail 173.

Two locking buttons 172 and 172' adjacent to each other may be located in one area of the moving rail 171. Rocking button (172, 172 ') can be switched in two opposite directions. One end of the locking button (172, 172') has a higher height than the other end opposite to the one end. One end of the locking buttons 172 and 172' has a height value greater than that of the cover rail 173, and the other end has a height value smaller than that of the cover rail 173. Accordingly, since the movement of one end having a larger height value is restricted by the cover rail 173, the upper or lower plate element 130 cannot slide in the direction of one end having a larger height value, whereas, Since the movement of the other end having the smaller height value is not restricted by the cover rail 173, the upper or lower plate element 130 can slide in the direction of the other end having the smaller height value.

In this way, the user can manipulate the moving direction of the upper or lower plate element 130 moved along the moving rail 171 by manipulating the direction of the locking buttons 172 and 172' having different heights at both ends. . For example, when one end formed at a low height of the locking button (172, 172') faces the left side, the associated plate element may slide to the left, and when facing the right side, the associated plate element may slide to the right side. there is.

The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

Claims (12)

upper plate elements and lower plate elements connected to the middle plate elements by sliding rails so as to be moved in a direction inward or outward of an accommodation space provided in the middle plate elements along the longitudinal direction;
Intermediate plate elements that are folded or unfolded by rotating about the hinge part located therebetween; and
upper plate elements and lower plate elements and separate wheels connected or separated via one or more connecting means;
connecting means,
Includes installable connecting means installed directly on the upper plate elements and lower plate elements and separable connecting means connected between the installable connecting means and detachable wheels,
Installation type connection means,
A first link element having a first bar rotating inward or outward of the upper plate elements around an axis installed at one edge of the upper plate elements;
A second link element having a second bar rotating inward or outward of the upper plate elements and a third bar rotating inward or outward of the middle plate element around an axis installed at the other edge facing one edge of the upper plate elements,
A third link element having a fourth bar rotating inward or outward of the lower plate elements around an axis installed at one edge of the lower plate elements;
Including, stretcher.
According to claim 1,
The intermediate plate elements are provided in at least two,
At least two intermediate plate elements are folded or unfolded by rotating about a hinge part installed at a boundary edge, a stretcher.
delete delete delete According to claim 1,
The separable connecting means includes a fourth link element connected to the front separable wheels and a fifth link element connected to the rear separable wheels,
The fourth link element is connected to the first and second bars provided in the first and second link elements,
The fifth link element is connected to the third and fourth bars of the second and third link elements, the stretcher.
According to claim 6,
The stretcher, wherein the fourth link element is provided in the same number as the number of the front separable wheels and is connected to each of the front separable wheels.
According to claim 6,
The fifth link element is designed in a bar-like shape penetrating the rear detachable wheels and is connected to the third and fourth bars through connection holes formed perpendicular to the longitudinal direction of the fifth link element. Letcher.
According to claim 6,
detachable wheels,
(i) a rotatable shaft connected to the fourth and fifth link elements, and
(ii) a plurality of wheel blades coupled to the rotating shaft and including a connecting portion extending in a radial direction around the rotating shaft and a distal end coupled to an end of the connecting portion and bent in an arc shape
Including, stretcher.
According to claim 9,
The stretcher, wherein the bent distal ends of the plurality of wheel blades have a predetermined curvature such that the combination of the plurality of wheel blades exhibits the shape of a discontinuous circle.
According to claim 9,
connection part,
A stretcher comprising an inelastic part directly connected to the distal end and an elastic part capable of being stretched or compressed.
According to claim 11,
elastic part,
A stretcher disposed between the inelastic portion and a rotating shaft so that the inelastic portion is compressed or expanded by external pressure.

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