A multifunctional stretcher

Abstract

The present invention discloses a multifunctional stretcher, which belongs to the field of medical equipment and mainly solves the problem of multi-mode switching and reuse of stretchers in different rescue situations. The present invention includes a first shell 31 and a second shell 32. In the two-person carrying mode, the two shells are connected to form a boat shape, and the internal concave compartment can be used for the injured to lie down; when converted to a single-person carrying mode, the two shells can overlap to form a backpack shape, and the injured, the stretcher and the rescuer are fixed by a strap structure, and a detachable seat plate is provided for the injured to transfer to a sitting position; when converted to a sled mode, the two shells are connected to form a boat shape, the bottom can form a sled structure, and the strap structure can form a towing belt, which is convenient for towing on grass, ice, snow, etc. The multifunctional stretcher of the present invention can flexibly adjust the appropriate application mode according to the actual disaster rescue occasions.

Description

Technical Field

[0001] The invention relates to the field of medical instruments, in particular to a multifunctional stretcher. Background Art

[0002] A stretcher is a transport tool used for emergency rescue. Its main purpose is to carry or move patients who have lost their self-control ability due to injury or illness with the help of others, so as to provide timely rescue and medical treatment to patients. Destructive disasters such as mining accidents, earthquakes, and landslides often cause traffic jams and make rescue difficult. Traditional stretchers require two people to carry and transport the injured. Complex terrain conditions such as rubble, gravel, steep slopes, and limited space at the disaster site will increase the difficulty of carrying the injured, reduce the efficiency of carrying, and delay the condition of the injured. In addition, low temperature environments such as snow and ice will cause the road surface to become slippery, and traditional stretchers do not have the ability to slide and drag on snow. Carrying by two people often causes the carryer to fall due to the slippery road surface, causing the stretcher to overturn or tip over, causing secondary injuries to the injured.

[0003] The existing products have the following shortcomings:

[0004] ① When encountering special terrain after a disaster, such as rubble, gravel, steep slopes, etc. The existing stretchers lack the reuse function of ordinary stretchers for double-person carrying and single-person carrying, and cannot flexibly adjust the appropriate application mode according to the actual disaster rescue occasions.

[0005] ② In slippery road environments such as snow and ice, existing stretchers do not have the ability to drag and slide, and the efficiency of stretcher lifting and transfer is low. Summary of the invention

[0006] In view of this, the present invention provides a multifunctional stretcher, which has the multiplexing function of being carried by two persons and being carried by one person as an ordinary stretcher, and can flexibly adjust the appropriate application mode according to the actual disaster relief occasions.

[0007] The technical solution to the above technical problems is: a multifunctional stretcher, comprising a first shell 31 and a second shell 32, and a connecting device 4 for connecting the first shell 31 and the second shell 32; in a two-person carrying mode, the first shell 31 and the second shell 32 are fully unfolded and spliced ​​to form a boat shape, and the connecting device 4 connects and fixes the first shell 31 and the second shell 32 at the waistline in the middle of the boat shape; the boat shape has gripping structures at both ends to facilitate the carrier to grip the stretcher; the boat-shaped concave compartment is used to accommodate the wounded lying down; When the two-person lifting mode is converted to the single-person carrying mode, the connecting device 4 is loosened, and the first shell 31 and the second shell 32 are overlapped to form a backpack with a hollow interior and fixed by a strap structure; a detachable seat plate 11 is inserted into the lower part of the second shell 32 to form a seat; the outer surface of the second shell 32 is close to the back of the carrier, and the second shell 32 and the carrier are fixed by the strap structure; the injured person sits on the detachable seat plate 11, and the outer surface of the first shell 31 is close to the back of the injured person; the first shell 11 and the injured person are fixed by the strap structure.

[0008] The preferred solution is that the connecting device 4 includes: at least four groups of connecting parts uniformly arranged along the longitudinal interval on the outer surface of the first shell 31; the connecting part groups include slender strip-shaped connecting parts and slender strip-shaped hollow containing structures, the containing structures are fixed on the outer surface of the first shell 31, including a first containing structure 611 and a fourth containing structure 614 arranged on the side of the outer surface of the first shell 31, and a second containing structure 612 and a third containing structure 613 arranged in the middle of the outer surface of the first shell 32; and at least four tubular holes corresponding to the connecting parts are arranged on the outer surface of the second shell 32. In the two-person carrying mode, the connecting parts are pulled out of the containing structure, inserted into the corresponding tubular holes, and fixed using a limiting device.

[0009] The preferred solution is: when the connecting piece is inserted into the corresponding tubular hole, the second accommodating structure 612 and its corresponding tubular hole, and the third accommodating structure 613 and its corresponding tubular hole, form two skids 61 and 62 along the longitudinal direction of the bottom of the ship; in the skid mode, the skids 61 and 62 are used to reduce the friction between the bottom of the stretcher and the ground when towing the stretcher.

[0010] The preferred solution is that the strap structure includes a carrier strap and a wounded person strap. In the single-carrying mode, the carrier strap is used to bind the carrier to the backpack-like stretcher, and the wounded person strap is used to bind the wounded to the backpack-like stretcher.

[0011] The preferred solution is: the carrier's strapping belt includes a towing belt 71 and two shoulder straps 91, 92; the towing belt 71 is a Y-shaped connecting belt, consisting of a longitudinal belt 711 and two transverse belts 712, 713; one end of the longitudinal belt 711 is fixed to the top of the first shell 31, and the other end is connected to the two transverse belts 712, 713, and the ends of the two transverse belts 712, 713 have buckles with adjustment components; in the single-person carrying mode, the towing belt 71 is swung back to the outer surface of the second shell 31, and the two transverse belts 712, 713 are reversed from the outer surface of the first shell 31 to the second shell 31. The ends of the two horizontal straps 712 and 713 on the outer surface of the second shell 32 meet and splice laterally in the middle of the outer surface of the second shell 32, forming a lateral holding force for the first shell 31 and the second shell 32 to prevent the shells from separating and fix the shells in a backpack state; the upper parts of the shoulder straps 91 and 92 are respectively wrapped around the two horizontal straps of the towing belt 71, and the lower ends of the shoulder straps 91 and 92 are respectively fixed on both sides of the lower part of the second shell 32; the middle parts of the shoulder straps 91 and 92 have buckles with adjustment components. After splicing, the arms of the wearer pass through the shoulder straps 91 and 92 respectively, forming a backpack shape.

[0012] The preferred embodiment is: the wounded binding belt is composed of a towing belt 72, two shoulder straps 93, 94 and two leg straps 101, 102; the towing belt 72 is a Y-shaped connecting belt, which is composed of a longitudinal belt 721 and two transverse belts 722, 723; one end of the longitudinal belt 721 is fixed to the top of the second shell 32, and the other end is connected to the two transverse belts 722, 723, and the ends of the two transverse belts 722, 723 have buckles with adjustment components; in the single-person carrying mode, the towing belt 72 is swung back to the outer surface of the first shell 31, and the two transverse belts 722, 723 are reversed from the outer surface of the second shell 32 to the outer surface of the first shell 31, and the ends of the two transverse belts 722, 723 meet laterally in the middle of the outer surface of the first shell 31. And spliced ​​to form a lateral holding force of the first shell 31 and the second shell 32 to prevent the shells from separating and fix the shells in a backpack state; one end of the shoulder strap 93 is fixed to the middle and upper part of the left side of the first shell 31, and the other end is fixed to the lower part of the right side of the first shell 31; the shoulder strap 94 is cross-shaped with the shoulder strap 93, one end is fixed to the middle and upper part of the right side of the first shell 31, and the other end is fixed to the lower part of the left side of the first shell 31; the middle part of the shoulder straps 93 and 94 respectively has buckles with adjustment components; the shoulder straps 94 and the shoulder straps 93 are cross-shaped to fix the injured person sitting on the square seat plate 11; the upper ends of the leg straps 101 and 102 are fixedly connected to the middle parts of the shoulder straps 93 and 94 respectively, and the lower ends are connected to the square seat plate 11, and the leg straps have adjustment components for binding the thighs of the injured person.

[0013] The preferred solution is that in the two-person carrying mode or the sled mode, the shoulder straps 91, 92, 93, 94 are used to fix the injured person inside the boat-shaped concave compartment.

[0014] The preferred solution is that in the two-person carrying mode, the towing straps 71, 72 are connected above the boat-shaped recessed compartment to suspend the stretcher.

[0015] The preferred solution is: in the sled mode, the two transverse straps 712 and 713 of the towing strap 71 are spliced, and the two transverse straps 722 and 723 of the towing strap 72 are spliced ​​to form rope loops at both ends of the stretcher that can be worn on the shoulders or waist for towing the stretcher.

[0016] By means of the above technical solution, the beneficial effects provided by the present invention are as follows:

[0017] ① It can be adjusted to the appropriate stretcher state according to different rescue environments, increasing the flexibility of emergency rescue. When encountering special terrain after a disaster, such as rubble, gravel, and steep slopes, the ordinary two-person stretcher can be adjusted to a single-person carrying state, achieving efficient carrying on complex off-road roads and meeting the transportation requirements in a small space;

[0018] ② In usage scenarios such as snow, ice or slippery roads, it can also be adjusted to a sliding and dragging mode to reduce the risk of lifters falling and causing secondary injuries to the injured.

[0019] ③ In special circumstances, such as when transferring the wounded from a deep trench, it can support lifting.

[0020] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented according to the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0022] Figure 1 It is a structural schematic diagram of a multifunctional stretcher of the present invention unfolded into a two-person carrying mode;

[0023] Figure 2 It is a schematic structural diagram of a multifunctional stretcher of the present invention when it is folded into a single-person carrying mode;

[0024] Figure 3It is a schematic diagram of the bottom structure of a multifunctional stretcher according to the present invention when it is unfolded into a sled mode;

[0025] Figure 4 This is a schematic structural diagram of the connection portion of two shells in a multifunctional stretcher according to the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of a detachable seat plate in a multifunctional stretcher according to the present invention;

[0027] Figure 6 It is a schematic diagram of the strapping belt for the bearer when the multifunctional stretcher of the present invention is folded into a single-person carrying mode;

[0028] Figure 7 The present invention is a schematic diagram of a wounded person binding belt when the multifunctional stretcher is folded into a single-person carrying mode. DETAILED DESCRIPTION

[0029] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0030] The present invention will be further described below in conjunction with the accompanying drawings:

[0031] Example 1

[0032] Figure 1 This is a structural schematic diagram of a multifunctional stretcher in this embodiment when it is unfolded into a two-person carrying mode;

[0033] Figure 2 This is a schematic structural diagram of a multifunctional stretcher according to the present embodiment when it is folded into a single-person carrying mode;

[0034] The multifunctional stretcher of this embodiment can be adjusted to the appropriate stretcher state according to different rescue environments, reducing the load of rescue work, greatly increasing the flexibility of emergency rescue, and facilitating rapid rescue. When encountering special terrain such as rubble, gravel, and steep slopes after a disaster, the ordinary two-person stretcher can be adjusted to a single-person carrying state, achieving efficient carrying on complex off-road roads and meeting the transportation requirements in a small space.

[0035] The following specifically describes various working modes of this embodiment to make the specific structure of this embodiment clearer.

[0036] 1: Two-person lifting mode.

[0037] like Figure 1As shown, the multifunctional stretcher described in this embodiment has a shell 3, including a first shell 31 and a second shell 32, and a connecting device 4 for connecting the first shell 31 and the second shell 32.

[0038] In the two-person lifting mode, the first shell 31 and the second shell 32 are fully unfolded, and the outer surface of the first shell 31 is evenly spaced along the longitudinal direction. Four slender strip-shaped connecting members 41 are respectively accommodated in four slender strip-shaped hollow accommodating structures, which are fixed on the outer surface of the first shell 31 and include a first accommodating structure 611, a first accommodating structure 612, a third accommodating structure 613, and a fourth accommodating structure 614 in sequence; when in use, the four connecting members 41 are respectively pulled out from the accommodating structure and locked with a spring pin; the outer surface of the second shell 32 is provided with four tubular holes 42 corresponding to the connecting members 41, and the four connecting members 41 are correspondingly inserted into the four tubular holes 42, so that the first shell 31 and the second shell 32 are connected. In order to make the connection between the first shell 31 and the second shell 32 more stable, two quick-release pins are used to insert them into the fixing holes set on the left and right edges to complete the locking.

[0039] It should be noted that the number of the connecting members 41 and the accommodating structures thereof can be increased as required, so as to realize the functions of the multifunctional stretcher described in this embodiment.

[0040] The middle part of the shell body 3 formed after unfolding and connecting is a boat-shaped concave warehouse with a flat bottom for accommodating the wounded. The shell body 3 is surrounded by a circle of retaining edges of a certain height.

[0041] Figure 4 FIG. 1 is a schematic diagram of the structure of the connection part of two shells in a multifunctional stretcher of this embodiment. Figure 4 As shown, a receiving slot is provided at the bottom of the boat-shaped recessed warehouse. In the two-person lifting mode, the detachable seat plate 1 is placed flat on the bottom of the boat-shaped recessed warehouse and fixed by the receiving slot. Handles 51 and 52 are provided on both sides of the upper part of the first shell 31, and handles 53 and 54 are provided on both sides of the upper part of the second shell 32 to form a gripping structure. When unfolded to the two-person lifting mode, the four handles are located exactly on both sides of the head and the tail of the boat-shaped recessed warehouse, which is convenient for gripping during lifting.

[0042] The connecting member 41 includes a first connecting member 411 and a fourth connecting member 414 arranged on both sides of the retaining edge of the first shell 31; and a second connecting member 412 and a third connecting member 413 arranged on the outer surface of the ship-shaped bottom of the first shell 31. Correspondingly, the tubular hole 42 includes a first tubular hole 421 and a fourth tubular hole 424 arranged on both sides of the retaining edge; and a second tubular hole 422 and a third tubular hole 423 arranged on the bottom of the ship-shaped recessed bin.

[0043] 2: Single-person carrying mode.

[0044] The multifunctional stretcher described in this embodiment is provided with a detachable seat plate 1. When it is suitable to transfer the wounded by dragging or carrying, the detachable seat plate 1 is placed in the stretcher and fixed by the accommodating slot; when encountering special terrain after a disaster, such as rubble, gravel, steep slopes, etc., which are not convenient for carrying and carrying, the stretcher can be folded and the detachable seat plate 1 can be inserted into the tubular hole 42 at the bottom of the folded stretcher. In this state, the wounded can be transferred by carrying on the back.

[0045] When the multifunctional stretcher is converted from the two-person carrying mode to the single-person carrying mode, the connecting device 4 of the shell body 3 is loosened, and the first shell 31 and the second shell 32 are buckled together to form a backpack with a hollow interior, which can be carried by one person; when carried by one person, the outer surface of the second shell 32 is close to the back of the bearer, and the outer surface of the first shell 31 is close to the back of the injured person. The detachable seat plate 1 is inserted into the second tubular hole 422 and the third tubular hole 423 to form a seat in the single-person carrying mode.

[0046] Figure 5 Schematic diagram of the structure of the detachable seat plate 1. Figure 5 As shown, the detachable seat plate 1 is composed of a square seat plate 11 and two back-bearing plug-ins 12, and the back-bearing plug-ins 12 are fixed on the square seat plate 11 and can rotate. In the two-person lifting mode and the sled dragging mode, the square seat plate 11 is stuck in the accommodating slot of the shell 3 and fixed to the bottom of the boat-shaped recessed bin. The back-bearing plug-in 12 is rotated to be on the same plane with the square seat plate 11, parallel and close to the retaining edge of the boat-shaped recessed bin, and does not affect the patient lying inside the stretcher. In the single-person carrying mode, the back-bearing plug-in 12 can be rotated to a state perpendicular to the square seat plate 11. When the main body of the rear shell 3 is overlapped to form a backpack with a hollow interior, the two back-bearing plug-ins 12 of the detachable seat plate 1 are inserted into the second tubular hole 422 and the third tubular hole 423 of the second shell 32, and a quick-release pin is used to lock the square seat plate 11 horizontally to form a seat in the single-person carrying mode.

[0047] In single-person carrying mode, the carrier needs to secure the stretcher to himself or herself using the carrier's straps, and the injured person sitting on the seat also needs to be secured to the stretcher using the injured person's straps.

[0048] Figure 6 This is a schematic diagram of the carrier strapping belt in single-carrying mode. Figure 6 As shown, the outer surface of the second shell 32 is close to the back of the wearer, and the wearer's strapping belt is composed of a towing belt 71, two fixing belts 81, 82 and two shoulder straps 91, 92.

[0049] The towing belt 71 is a Y-shaped connecting belt, which is composed of a longitudinal belt 711 located at the lower part of the Y-shape and two transverse belts 712 and 713 located at the upper part of the Y-shape. The top of the longitudinal belt is connected to the two transverse belts, and the bottom of the longitudinal belt is fixed to the top of the first shell 31. In the two-person carrying mode, the towing belt 71 is stored inside the first shell 31 to fix the wounded. In the single-person carrying mode, the towing belt 71 is thrown back to the outer surface of the second shell 32, and the two transverse belts 712 and 713 are reversed from the outer surface of the first shell 31 to the outer surface of the second shell 32. The ends of the two transverse belts meet horizontally in the middle of the outer surface of the second shell 32 and fasten the buckle, forming a lateral holding force between the first shell 31 and the second shell 32 to prevent the shells from separating and fix the shells in the backpack state.

[0050] The upper parts of the shoulder straps 91 and 92 are respectively wrapped around the two horizontal straps 712 and 713 of the towing belt 71, and the fixed connectors below the shoulder straps 91 and 92 are respectively bound to the lower sides of the second shell 32; the buckles of the shoulder straps 91 and 92 are fastened to form two shoulder straps, and the arms of the rescuer pass through the shoulder straps, so that the rescuer can easily carry the stretcher and the wounded; one end of the fixed belt 81 is connected to the upper middle part of the shoulder strap 91, and the other end is connected to the upper middle part of the shoulder strap 92. The middle part of the fixed belt 81 has a connecting device, which can be a buckle combination with an adjustment device, which is used to pull the shoulder strap horizontally, similar to the shoulder strap of a mountaineering bag. One end of the fixed belt 82 is connected to the lower middle part of the shoulder strap 91, and the other end is connected to the lower middle part of the shoulder strap 92. The middle part of the fixed belt 82 is provided with a connecting device, which can be a buckle combination with an adjustment device, which is used to pull the waist strap horizontally, similar to the waist fixing belt of a mountaineering bag. After the buckles of the fixing belts 81 and 82 are fastened, the stretcher and the wearer can be fixed more securely, becoming a force point for rescuers to prevent excessive shaking during running from affecting the stability of the injured.

[0051] Figure 7 This is a schematic diagram of the wounded strapping belt in the single-person carrying mode. Figure 7 As shown, the casualty strapping belt is composed of a towing strap 72 , two shoulder straps 93 , 94 and two leg straps 101 , 102 .

[0052] The towing belt 72 is a Y-shaped connecting belt, which is composed of a longitudinal belt 721 located at the lower part of the Y-shape and two transverse belts 722 and 723 located at the upper part of the Y-shape. The top of the longitudinal belt is connected to the two transverse belts, and the bottom of the longitudinal belt is fixed to the top of the second shell 32. In the two-person carrying mode, the towing belt 72 is stored inside the second shell 32 to fix the wounded. In the single-person carrying mode, the towing belt 72 is thrown back to the outer surface of the first shell 31, and the two transverse belts are reversed from the outer surface of the second shell 32 to the outer surface of the first shell 31. The ends of the two transverse belts meet horizontally in the middle of the outer surface of the first shell 31 and fasten the buckle, forming a lateral holding force between the first shell 31 and the second shell 32 to prevent the shells from separating and fix the shells in the backpack state.

[0053] like Figure 7 As shown, one end of the shoulder strap 93 is fixed to the middle and upper part of the left side of the first shell 31, and the other end is fixed to the lower part of the right side of the first shell 31; the shoulder strap 94 is in a cross shape with the shoulder strap 93, one end is fixed to the middle and upper part of the right side of the first shell 31, and the other end is fixed to the lower part of the left side of the first shell 31. The middle of the shoulder straps 93 and 94 are respectively provided with a connecting device, which can be, for example, a buckle assembly with an adjusting device. The shoulder strap 94 is in a cross shape with the shoulder strap 93 to fix the injured person sitting on the square seat plate 11, to prevent the injured person from falling off the seat plate in a harsh environment to avoid secondary injury, and can also assist in supporting the weight of the injured person.

[0054] The upper ends of the leg straps 101 and 102 are fixedly connected to the middle parts of the shoulder straps 93 and 94 respectively, and the lower ends are connected to the square seat plate 11. The leg straps have a device for adjusting the length. After the leg straps are connected to the seat plate, they become a fixing device for the legs of the injured person, allowing the injured person to sit on the seat plate as firmly as possible to prevent falling.

[0055] The square seat plate 11 has connecting devices on both sides respectively connected to the leg straps 101 and 102. The connecting devices may be, for example, connecting holes. One end of the leg straps 101 and 102 may have, for example, hooks matching the connecting holes.

[0056] In the two-person lifting mode, the straps for the carrier and the wounded are stored inside the boat-shaped concave compartment, where the shoulder straps 91, 92, 93, and 94 can be flexibly connected to each other using buckles to fix the wounded. The towing straps 71 and 72 are connected inside the boat-shaped concave compartment. Specifically, the horizontal strap 722 is connected to the horizontal strap 713 through a buckle, and the horizontal strap 723 is connected to the horizontal strap 712 through a buckle to form two longitudinal long straps, which can suspend the stretcher. If necessary, the wounded can be transported by helicopter or hung at a high place to avoid moisture on the ground or damage by wild animals. When connecting, you can first tie a cross knot and then plug in the buckle to make the connection more stable.

[0057] Example 2

[0058] The second embodiment of the multifunctional stretcher of the present invention has a shell 3, including a first shell 31 and a second shell 32, and a connecting device 4 for connecting the first shell 31 and the second shell 32. It has a two-person carrying mode and a single-person carrying mode, and the difference from the first embodiment lies in the external structure of the connecting device 4.

[0059] Three: Sled mode.

[0060] In usage scenarios such as snow and slippery roads, the sliding and dragging method can reduce the chances of lifters falling and causing secondary injuries to the injured.

[0061] like Figure 3 As shown, the bottom structure of a multifunctional stretcher in this embodiment when unfolded into a sliding mode can be seen.

[0062] In the sled mode, two sleds 61 and 62 are formed longitudinally along the bottom of the housing 3. The sleds 61 and 62 are slender hollow structures, and their lengths are consistent with or slightly shorter than the longitudinal direction of the ship-shaped recess. The sled 61 is composed of a second accommodating structure 612 located in the first housing 31 and a second tubular hole 422 located in the second housing 32. The second accommodating structure 612 is used to accommodate the second connecting member 412. The sled 62 is composed of a third accommodating structure 613 located in the first housing 31 and a third tubular hole 423 located in the second housing 32. The third accommodating structure 613 is used to accommodate the third connecting member 413.

[0063] When the sled mode is used, the stretcher is changed into a two-person carrying mode and placed on snow, ice or grass. The rescuer uses the towing belt 7 to assist in towing and transferring the wounded. When towing the stretcher, the sleds 61 and 62 can reduce the friction between the bottom of the stretcher and the ground, reducing the rescue load and facilitating the safe transfer of the wounded.

[0064] In the sled mode, the two horizontal straps 712 and 713 of the towing belt 71 are spliced, and the two horizontal straps 722 and 723 of the towing belt 72 are spliced ​​to form rope loops at both ends of the stretcher that can be put on the rescuer's shoulder or waist for towing the stretcher, and the towing direction can be flexibly changed.

[0065] Furthermore, the shell 3 can be made of carbon fiber T300 material, which has high strength and light weight. The towing belt, fixing belt, waist belt, and leg belt can be made of polypropylene PP, which has high strength, good elasticity, wear resistance, corrosion resistance, and light weight. The use of the above materials can further improve the usability of the multifunctional stretcher of this embodiment.

[0066] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0067] It is understandable that the related features in the above methods and devices can be referenced to each other. In addition, the "first", "second" and the like in the above embodiments are used to distinguish the embodiments, but do not represent the advantages and disadvantages of the embodiments.

[0068] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0069] Similarly, it should be understood that in order to streamline the present invention and aid in understanding one or more of the various inventive aspects, in the above description of exemplary embodiments of the present invention, the various features of the present invention are sometimes grouped together into a single embodiment, figure, or description thereof. However, this disclosed method should not be interpreted as reflecting the following intention: that the claimed invention requires more features than the features explicitly recited in each claim. More specifically, as reflected in the claims below, inventive aspects lie in less than all the features of the individual embodiments disclosed above. Therefore, the claims that follow the specific embodiment are hereby expressly incorporated into the specific embodiment, with each claim itself serving as a separate embodiment of the present invention.

[0070] In addition, those skilled in the art will appreciate that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims below, any one of the claimed embodiments may be used in any combination.

Claims

1. A multifunctional stretcher, characterized in that: include: It comprises a first shell (31) and a second shell (32), and a connecting device (4) for connecting the first shell (31) and the second shell (32); In the two-person carrying mode, the first shell (31) and the second shell (32) are fully unfolded and spliced ​​to form a boat shape, and the connecting device (4) connects and fixes the first shell (31) and the second shell (32) at the waistline in the middle of the boat shape; the boat shape has gripping structures at both ends to facilitate the carrier to grip the stretcher; the boat shape concave compartment is used to accommodate the injured person lying down; When switching from the two-person lifting mode to the single-person carrying mode, the connecting device (4) is loosened, and the first shell (31) and the second shell (32) are overlapped to form a backpack with a hollow interior, which is fixed by a strap structure; a detachable seat plate (11) is inserted into the lower part of the second shell (32) to form a seat; the outer surface of the second shell (32) is close to the back of the carrier, and the second shell (32) and the carrier are fixed by a strap structure; the injured person sits on the detachable seat plate (11), and the outer surface of the first shell (31) is close to the back of the injured person; The first shell (31) and the injured person are fixed by the binding structure; The connecting device (4) comprises: At least four groups of connecting members are evenly spaced longitudinally on the outer surface of the first shell (31); The connecting member group comprises a slender strip-shaped connecting member and a slender strip-shaped hollow containing structure, wherein the containing structure is fixed to the outer surface of the first shell (31), and comprises a first containing structure (611) and a fourth containing structure (614) arranged on the side of the outer surface of the first shell (31), and a second containing structure (612) and a third containing structure (613) arranged in the middle of the outer surface of the first shell (31); and at least four tubular holes corresponding to the connecting piece arranged on the outer surface of the second shell (32); in a two-person carrying mode, the connecting piece is pulled out of the accommodating structure, inserted into the corresponding tubular holes, and fixed using a limiting device; When the connecting member is inserted into the corresponding tubular hole, the second accommodating structure (612) and the corresponding tubular hole, and the third accommodating structure (613) and the corresponding tubular hole form a first skid (61) and a second skid (62) along the longitudinal direction of the bottom of the ship; in the skid mode, the first skid (61) and the second skid (62) are used to reduce the friction between the bottom of the stretcher and the ground when the stretcher is towed; The strap structure includes a strapping strap for the carrier and a strapping strap for the injured. In a single-carrying mode, the strapping strap for the carrier is used to bind the carrier to the backpack-like stretcher, and the strapping strap for the injured is used to bind the injured to the backpack-like stretcher. The carrier strapping belt comprises a first towing belt (71) and a first shoulder strap (91) and a second shoulder strap (92); The first towing belt (71) is a Y-shaped connecting belt, which is composed of a longitudinal belt (711) and a first transverse belt (712) and a second transverse belt (713); one end of the first longitudinal belt (711) is fixed to the top of the first shell (31), and the other end is connected to the first transverse belt (712) and the second transverse belt (713); the ends of the first transverse belt (712) and the second transverse belt (713) are provided with buckles with adjustment components; in a single-person carrying mode, the first towing belt (71) is swung in the opposite direction to the outer surface of the second shell (32), the first transverse belt (712) and the second transverse belt (713) are reversely wound from the outer surface of the first shell (31) to the outer surface of the second shell (32), the ends of the first transverse belt (712) and the second transverse belt (713) meet and splice in the middle of the outer surface of the second shell (32) to form a transverse holding force of the first shell (31) and the second shell (32), thereby preventing the shells from being separated and fixing the shells in a backpack state; The upper parts of the first shoulder strap (91) and the second shoulder strap (92) are respectively wound around the two horizontal straps of the first towing strap (71), and the lower ends of the first shoulder strap (91) and the second shoulder strap (92) are respectively fixed to the two sides of the lower part of the second shell (32); the middle parts of the first shoulder strap (91) and the second shoulder strap (92) are provided with buckles with adjustment components, and after splicing, the arms of the wearer on both sides pass through the first shoulder strap (91) and the second shoulder strap (92) respectively, forming a backpack shape; The wounded binding belt is composed of a second towing belt (72), a third shoulder belt (93), a fourth shoulder belt (94), a first leg belt (101), and a second leg belt (102); The towing belt (72) is a Y-shaped connecting belt, which is composed of a second longitudinal belt (721), a third transverse belt (722) and a fourth transverse belt (723); one end of the second longitudinal belt (721) is fixed to the top of the second shell (32), and the other end is connected to the third transverse belt (722) and the fourth transverse belt (723); the ends of the third transverse belt (722) and the fourth transverse belt (723) have buckles with adjustment components; in a single-person carrying mode, the second towing belt (72) is swung back to the outer surface of the first shell (31), and the third transverse belt (722) and the fourth transverse belt (723) are reversely wound from the outer surface of the second shell (32) to the outer surface of the first shell (31), and the ends of the third transverse belt (722) and the fourth transverse belt (723) meet and splice in the middle of the outer surface of the first shell (31) to form a transverse holding force of the first shell (31) and the second shell (32), thereby preventing the shells from separating and fixing the shell backpack state; One end of the shoulder strap (93) is fixed to the middle upper part of the left side of the first shell (31), and the other end is fixed to the lower part of the right side of the first shell (31); the fourth shoulder strap (94) is in a cross shape with the third shoulder strap (93), one end is fixed to the middle upper part of the right side of the first shell (31), and the other end is fixed to the lower part of the left side of the first shell (31); the middle parts of the third shoulder strap (93) and the fourth shoulder strap (94) are respectively provided with buckles with adjustment components; the fourth shoulder strap (94) and the third shoulder strap (93) are in a cross shape to fix the injured person sitting on the detachable seat plate (11); The upper ends of the first leg strap (101) and the second leg strap (102) are respectively fixedly connected to the middle parts of the third shoulder strap (93) and the fourth shoulder strap (94), and the lower ends are connected to the detachable seat plate (11). The leg straps have adjustment components for binding the thighs of the injured person; In the two-person carrying mode or the sled mode, the first shoulder strap (91), the second shoulder strap (92), the third shoulder strap (93), and the fourth shoulder strap (94) are used to fix the injured person inside the boat-shaped concave compartment; In the two-person carrying mode, the first towing belt (71) and the second towing belt (72) are connected above the ship-shaped concave warehouse to suspend the stretcher; In the sled mode, the first transverse strap (712) and the second transverse strap (713) of the first towing strap (71) are spliced, and the third transverse strap (722) and the fourth transverse strap (723) of the second towing strap (72) are spliced ​​to form rope loops at both ends of the stretcher that can be worn around the shoulders or waist for towing the stretcher.

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