Three-dimensional onboard stretcher support device

Abstract

The utility model belongs to the technical field of aviation medical post-delivery equipment, and particularly relates to a three-dimensional airborne stretcher support device which comprises a hanging belt unit, a central supporting unit, a side supporting unit and a horizontal supporting unit. The central supporting unit comprises a central supporting rod; the upper end of the central supporting rod is connected with the horizontal supporting unit, the lower end of the central supporting rod is connected with a cabin bottom plate, and a plurality of bidirectional supports are arranged in the middle; the side supporting units comprise side supporting rods, the upper ends of the side supporting rods are connected with the horizontal supporting units, the lower ends of the side supporting rods are connected with a cabin bottom plate, and a plurality of one-way supports are arranged in the middles. The upper ends of the hanging belt units are connected with the horizontal supporting unit, the lower ends of the hanging belt units are connected with a cabin bottom plate, and a plurality of hanging belts are arranged in the middle of each bearing hanging belt. Precious space on the aircraft can be fully utilized, so that more transfer quotas can be provided, and the requirements of current aviation medical post-delivery can be met in the aspects of stability, light weight, convenient disassembly and assembly and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of aviation medical evacuation equipment, especially relates to a three-dimensional airborne stretcher support device. BACKGROUND

[0002] At present, the aviation medical evacuation adopts the independent stretcher to carry the wounded and sick. The independent stretcher can only be placed on the aircraft bottom plate, occupies a lot of space, and cannot transport a plurality of wounded and sick at one time due to the space limitation on the aircraft. There are also products in the prior art that use a multi-layer support structure to support more stretchers, but these products still need to be improved in stability, lightweight, convenient disassembly and the like, and still cannot meet the requirements of aviation medical evacuation.

[0003] Therefore, a stretcher support device is needed, which can make full use of the valuable space on the aircraft to provide more transport seats, and meet the requirements of current aviation medical evacuation in stability, lightweight, convenient disassembly and the like. UTILITY MODEL CONTENTS

[0004] The utility model provides a three-dimensional airborne stretcher support device, is provided with multilayer stretcher support structure, can satisfy aviation medical evacuation to the stability, firmness requirement's foundation, can make full use of the space on the aircraft and has lightweight and convenient disassembly and the like characteristics. Specific content is as follows:

[0005] A three-dimensional airborne stretcher support device, comprising a hanging belt unit, and a pair of central support units, side support units and horizontal support units arranged oppositely;

[0006] The horizontal support unit comprises a horizontal connecting rod; the horizontal connecting rod is sequentially provided with a first interface, a second interface, a third interface, a fourth interface and a fifth interface from one end to the other end;

[0007] The central support unit comprises a central support rod; the central support rod is provided with a seventh interface at the upper end, which is connected with the fourth interface, and a first connecting part at the lower end, which is connected with the original interface of the cabin bottom plate; a plurality of bidirectional supports are arranged from top to bottom in the middle part of the central support rod;

[0008] The side support unit comprises a side support rod; the side support rod is provided with a sixth interface at the upper end, which is connected with the first interface, and a second connecting part at the lower end, which is connected with the original interface of the cabin bottom plate; a plurality of unidirectional supports are arranged from top to bottom in the middle part of the side support rod, and the number of unidirectional supports is the same as that of bidirectional supports;

[0009] The hanging belt unit comprises a plurality of load-bearing hanging belts, each of which is provided at the upper end with an eighth interface matched with the second, third or fifth interface, and at the lower end with a third connecting part matched with the original interface of the cabin bottom plate, and each of which is provided at the middle part from top to bottom with a number of hanging belts equal to that of the bidirectional supports.

[0010] Further, each of the load-bearing hanging belts is provided at the middle part from top to bottom with a number of support rings equal to that of the hanging belts; each of the bidirectional supports, unidirectional supports and support rings has the same installation height; and each of the hanging belts is installed above each of the support rings one by one.

[0011] Each of the support rings corresponds to the placement of a handle of a stretcher and fixes the handle of the stretcher at the position of the support ring.

[0012] Each of the hanging belts passes through the support rod of the stretcher and forms an inclined upward supporting force on the stretcher.

[0013] Further, the lengths of the support rings and hanging belts are adjustable.

[0014] Further, each of the central support rods and the side support rods is provided with a stretcher lock for locking the stretcher, and the stretcher lock is arranged on both sides of each of the bidirectional supports and on one side of the unidirectional support.

[0015] Further, the stretcher lock comprises a stretcher lock positioning mechanism connected with the central support rod or side support rod; the stretcher lock positioning mechanism comprises a shaft pin; the main body of the stretcher lock is movably sleeved on the shaft pin; the upper and lower ends of the shaft pin are fixedly connected with the central support rod or side support rod, the middle part of the shaft pin is sleeved with an elastic compression part, and the lower end of the shaft pin is fixedly connected with a positioning seat; the lower end surface of the main body of the stretcher lock at the connection position with the shaft pin is provided with an elastic positioning part which can be elastically contracted in the vertical direction; the elastic compression part compresses the main body of the stretcher lock and the elastic positioning part on the positioning seat; the upper end surface of the positioning seat is provided with a plurality of grooves in the circumferential direction; and the elastic positioning part falls into the grooves under the pressure of the elastic compression part, so as to implement the circumferential positioning of the main body of the stretcher lock.

[0016] Further, the stretcher lock further comprises a locking ring and a locking handle for locking the stretcher; the locking ring is in a circular arc structure, one end of which is hingedly connected with the main body of the stretcher lock, and the other end of which is provided with a first locking portion; the locking handle has a middle portion hingedly connected with the main body of the stretcher lock, one end of which extends out of the main body of the stretcher lock to form a handle, and the other end of which is provided with a second locking portion matched with the first locking portion; an elastic tensioning portion is arranged between the locking ring and the locking handle; in the matched connection state of the first locking portion and the second locking portion, the elastic tensioning portion tightens and positions the locking ring and the locking handle.

[0017] Further, the bidirectional support comprises a movable support and a main support frame connected with the central support rod; the movable support is installed on both sides of the main support frame through a support positioning mechanism;

[0018] The unidirectional support comprises the movable support and the main support frame connected with the side support rod; the movable support is installed on one side of the main support frame through the support positioning mechanism.

[0019] Further, the support device further comprises an inclined support rod; the inclined support rod is in a double-link structure, comprising a first link and a second link; one end of the first link and one end of the second link are hingedly connected, and the hinged connection point is provided with a fourth connection portion matched with the original interface of the cabin bottom plate; the other end of the first link and the other end of the second link are correspondingly hingedly connected with the middle portions of the two oppositely arranged central support rods.

[0020] Further, the stretcher support device is further provided with an alarm lamp and an alarm lamp trigger.

[0021] Further, the horizontal link, the central support rod, the side support rod, the bidirectional support and the unidirectional support are all made of aviation aluminum material; the load-bearing sling, the hanging belt and the support ring are all made of flexible fabric material.

[0022] The stretcher support device has the advantages that:

[0023] 1. The hanging belt unit, the central support unit, the side support unit and the horizontal support unit are arranged, and the stretcher support device is built by combining various rod members, so that lightweight and convenient disassembly and assembly can be realized;

[0024] 2. The hanging belt unit, the central support unit and the side support unit can be matched with the original interface on the aircraft for connection, so that the existing conditions can be fully utilized, the structure is more simple, and the disassembly and assembly are more convenient;

[0025] 3、Setting has one-way support, two-way support and hanging belt unit, can be fixed from multiple angles to the stretcher, in the process of making the process more convenient and fast, but also can provide better stability, in order to adapt to the various complex situations in the air transfer process. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be simply introduced below, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other embodiments can also be obtained according to these drawings without creating labor.

[0027] Figure 1 It is the whole structure schematic diagram of three-dimensional airborne stretcher support device;

[0028] Figure 2 It is the hidden stretcher and hanging belt unit structure schematic diagram of three-dimensional airborne stretcher support device;

[0029] Figure 3 It is the horizontal support unit structure schematic diagram of three-dimensional airborne stretcher support device;

[0030] Figure 4 It is the central support unit structure schematic diagram of three-dimensional airborne stretcher support device;

[0031] Figure 5 It is the side support unit structure schematic diagram of three-dimensional airborne stretcher support device;

[0032] Figure 6 It is the hanging belt unit structure schematic diagram of three-dimensional airborne stretcher support device;

[0033] Figure 7 It is the hanging belt unit structure schematic diagram of three-dimensional airborne stretcher support device with motor;

[0034] Figure 8 It is the stretcher lock internal structure schematic diagram of three-dimensional airborne stretcher support device;

[0035] Figure 9 It is the two-way support structure schematic diagram of three-dimensional airborne stretcher support device;

[0036] Figure 10 It is the one-way support structure schematic diagram of three-dimensional airborne stretcher support device;

[0037] Figure 11 It is the inclined support rod structure schematic diagram of three-dimensional airborne stretcher support device;

[0038] In the figure: 1. Hanging belt unit; 101. Load-bearing sling; 102. Eighth interface; 103. Third connecting part; 104. Hanging belt; 105. Support ring; 106. Buckle; 107. Tightening motor; 2. Central support unit; 201. Central support rod; 202. Seventh interface; 203. First connecting part; 204. Bidirectional support; 205. Movable support; 206. Main support; 207. Support positioning mechanism; 3. Side support unit; 301. Side support rod; 302. Sixth interface; 303. Second connecting part; 304. Unidirectional support; 4. Horizontal support unit; 401. Horizontal connecting rod; 402. First interface; 403. Second interface; 404. Third interface; 405. Fourth interface; 406. Fifth interface; 5. Stretcher lock; 501. Stretcher lock positioning mechanism; 502. Shaft pin; 503. Main body of stretcher lock; 504. Elastic compression part; 505. Positioning seat; 506. Elastic positioning part; 507. Locking ring; 508. Locking handle; 509. First locking part; 510. Second locking part; 511. Elastic tensioning part; 512. Limiting block; 6. Inclined support rod; 601. First connecting rod; 602. Second connecting rod; 603. Fourth connecting part; 7. Alarm light; 8. Alarm light trigger. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0040] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0041] It should be noted that when an element is referred to as "fixed to", "provided with", "provided with", "provided with", "provided with", "arranged with" or "connected with" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element.

[0042] It should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0043] Please refer to the drawings in the specification Figures 1-11 In order to better understand the specific embodiment of the utility model. A three-dimensional airborne stretcher support device, as shown in Figure 1 、 Figure 2 , including hanging belt unit 1, and a pair of and opposite arrangement of central support unit 2, side support unit 3 and horizontal support unit 4;

[0044] The horizontal support unit 4, as shown in Figure 3 , including horizontal connecting rod 401;The horizontal connecting rod 401, from one end to the other end, is sequentially provided with first interface 402, second interface 403, third interface 404, fourth interface 405 and fifth interface 406;

[0045] As shown in Figure 4 , the central support unit 2 includes a central support rod 201;The central support rod 201, the upper end is provided with the seventh interface 202 matched with the fourth interface 405, the lower end is provided with the first connecting part 203 matched with the original interface of the cabin bottom plate, and the middle part is provided with a plurality of bidirectional supports 204 from top to bottom;

[0046] As shown in Figure 5 , the side support unit 3 includes a side support rod 301;The side support rod 301, the upper end is provided with the sixth interface 302 matched with the first interface 402, the lower end is provided with the second connecting part 303 matched with the original interface of the cabin bottom plate, and the middle part is provided with the same number of unidirectional supports 304 as the bidirectional supports 204 from top to bottom;

[0047] As shown in Figure 6 , the hanging belt unit 1, including a plurality of load-bearing lifting belts 101;Each of the load-bearing lifting belts 101, the upper end is provided with the eighth interface 102 matched with the second interface 403, the third interface 404 or the fifth interface 406, and the lower end is provided with the third connecting part 103 matched with the original interface of the cabin bottom plate, and each of the load-bearing lifting belts 101 is provided with the same number of hanging belts 104 as the bidirectional supports 204 from top to bottom.

[0048] It should be noted that the number of central support units 2, side support units 3 and horizontal support units 4 is 2 and is arranged oppositely; the two opposite central support units 2 and the four hanging belt units 1 on both sides cooperate to carry two rows of stretchers; the two opposite side support units 3 and the two hanging belt units 1 on one side cooperate to carry one row of stretchers.

[0049] It should be noted that the first interface 402, the second interface 403, the third interface 404, the fourth interface 405 and the fifth interface 406 are preferably fixed with the horizontal connecting rod 401 by welding; the first interface 402 and the fourth interface 405 are the same in structure, both are connecting blocks with through holes, and are hingedly connected with the seventh interface 202 and the sixth interface 302 on the upper end of the central support rod 201 and the side support rod 301 through pins; the seventh interface 202 and the sixth interface 302 are the same in structure, both are triangular connecting blocks with through holes, can be hingedly connected with the first interface 402 and the fourth interface 405 through pins, and are preferably fixed on the upper end of the central support rod 201 and the side support rod 301 by welding.

[0050] It should be noted that the second interface 403, the third interface 404 and the fifth interface 406 are the same in structure, all are triangular connecting blocks with through holes, and are preferably hingedly connected by penetrating the through holes with pins and penetrating the eighth interface 102 on the upper end of the load-bearing sling 101; the eighth interface 102 of the load-bearing sling 101 is preferably a through hole structure formed by bending and sewing a flexible fabric sling, and can be hingedly connected with the second interface 403, the third interface 404 or the fifth interface 406 through pins.

[0051] It should be noted that the first connecting part 203 is preferably a screw structure, is fixed with a threaded hole (i.e. an original interface) at a corresponding position of the cabin bottom plate, and is hingedly connected with the lower end of the central support rod 201, so that the central support rod 201 can be finely adjusted.

[0052] It should be noted that the central support rod 201 is provided with a plurality of bidirectional supports 204 from top to bottom, and preferably four bidirectional supports 204.

[0053] It should be noted that the second connecting part 303 is preferably a hinge structure (which can finely adjust the side support rod 301), and the second connecting part 303 of the side support rod 301 is fixed on the screw hole (i.e. the original interface) at the corresponding position of the cabin bottom plate through a screw.

[0054] It should be noted that the side support rod 301 is provided with a plurality of unidirectional supports 304 from top to bottom, and preferably four unidirectional supports 304.

[0055] It should be noted that the third connecting part 103 is preferably in the form of a hook, and a long circular hole is formed in the upper end of the third connecting part 103, through which the lower end of the load-bearing sling 101 is fixed; the hook-shaped structure at the lower end of the third connecting part 103 cooperates with the fixing ring (i.e., the original interface) at the corresponding position of the cabin floor to fix the lower end of the load-bearing sling 101, and a section of the lower end of the load-bearing sling 101 is provided in the form of an adjustable telescopic structure, so as to facilitate adjustment of the tension of the load-bearing sling 101.

[0056] It should be noted that the hanging belt 104 is preferably fixed by sewing on the load-bearing sling 101.

[0057] In specific implementation, the stretcher support device is built by combining the hanging belt unit 1, the central support unit 2, the side support unit 3, and the horizontal support unit 4, which can achieve lightweight and convenient disassembly and assembly; the hanging belt unit 1, the central support unit 2, and the side support unit 3 can be connected with the original interface on the aircraft, which can make full use of existing conditions, so that the structure is more simple and convenient to disassemble and assemble; the one-way support 304, the two-way support 204, and the hanging belt unit 1 can fix the stretcher from multiple angles, which can make the process of loading the stretcher more convenient and fast, and also provide better stability to adapt to various complex situations in the air transfer process.

[0058] In the embodiments of the utility model, as shown in Figure 6 Each of the load-bearing slings 101 is provided with the same number of support rings 105 from top to bottom; each of the two-way supports 204, the one-way supports 304, and the support rings 105 has the same installation height.

[0059] It should be noted that the support rings 105 are preferably fixed in the corresponding positions of the load-bearing slings 101 by sewing.

[0060] It should be noted that the two-way supports 204, the one-way supports 304, and the support rings 105 arranged from top to bottom have the same installation positions; that is, the first two-way support 204, the first one-way support 304, and the first support ring 105 have the same installation positions and the same height, and so on.

[0061] In specific implementation, the hanging belt 104 can support the stretcher, but the situation of the aircraft is complex during the transfer process, and the stretcher is easy to jump upward, so the support ring 105 is provided to fix the other side of the stretcher on the load-bearing sling 101, so as to prevent the stretcher from jumping upward, thereby providing more reliable safety protection for the transfer of the wounded.

[0062] In one embodiment, as shown in Figure 6As shown, the length of the support ring 105 and the sling 104 can be adjusted.

[0063] It should be noted that the support ring 105 and the sling 104 are provided with a structure similar to the buckle 106 on the backpack strap, and the length thereof can be adjusted.

[0064] In a specific implementation, the support ring 105 and the sling 104 are of a telescopic structure, which can make the stretcher more firmly fixed and stable, and provide more reliable safety guarantee for the transfer of the wounded.

[0065] In an embodiment of the present application, as shown in Figure 7 The buckle 106 tightening structure is not used, but one end of the support ring 105 is fixed to one side (fixed end) of the load sling 101, the other end extends to the other side of the load sling 101 through the through hole provided on the load sling 101, and is bound (tightening end) with the output shaft of the micro tightening motor 107 fixed (preferably fixed by rivet) on the side; the side of the load sling 101 away from the micro tightening motor 107 and located at the position of the fixed end of the support ring 105 is provided with a touch type motor switch (connected with the tightening motor 107 through a cable), when the handle end of the stretcher is inserted into the support ring 105 and touches the motor switch, the tightening motor 107 can be operated in the forward direction, the tightening end of the support ring 105 can be wound on the output shaft, and the stretcher handle can be tightened; the tightening motor 107 has a self-locking function, when the tightening motor 107 is wound with the support ring 105 and has a certain resistance (i.e. after the support ring 105 tightens the stretcher handle), it automatically stops rotating and can be locked in the tightening state without loosening; the tightening motor 107 is provided with an unlocking button, and the tightening motor 107 can be reversed by pressing the unlocking button, at this time, the support ring 105 can be pulled to loosen the stretcher handle, and the stretcher can be unloaded.

[0066] In a specific implementation, by providing the tightening motor 107, the automatic binding and tightening of one end of the stretcher can be realized, which facilitates the staff to fix the stretcher more quickly; especially in the case of carrying the wounded, the staff can reduce the physical loss.

[0067] In an embodiment of the present application, as shown in Figure 8As shown, each of the central support rods 201 and the side support rods 301 is provided with a stretcher lock 5 for locking the stretcher, and the stretcher lock 5 is arranged on both sides of each of the bidirectional stretchers 204 and on one side of the unidirectional stretcher 304; the stretcher lock 5 comprises a stretcher lock positioning mechanism 501 connected with the central support rod 201 or the side support rod 301; the stretcher lock positioning mechanism 501 comprises a shaft pin 502; a main body 503 of the stretcher lock is movably sleeved on the shaft pin 502; the shaft pin 502 is fixedly connected with the central support rod 201 or the side support rod 301 at both upper and lower ends, and a resilient compression part 504 is sleeved on the middle part of the shaft pin 502; a positioning seat 505 is fixedly connected with the lower end of the shaft pin 502; an elastic positioning part 506 which can be elastically contracted in the vertical direction is arranged on the lower end surface of the main body 503 of the stretcher lock in the position connected with the shaft pin 502; the main body 503 of the stretcher lock and the elastic positioning part 506 are compressed on the positioning seat 505 by the resilient compression part 504; a plurality of grooves are formed on the upper end surface of the positioning seat 505 in the circumferential direction; the elastic positioning part 506 falls into the grooves under the pressure of the resilient compression part 504, so as to implement the circumferential positioning of the main body 503 of the stretcher lock. The stretcher lock 5 further comprises a locking ring 507 and a locking handle 508 for locking the stretcher; the locking ring 507 is in the shape of a circular arc, one end of which is hingedly connected with the main body 503 of the stretcher lock, and the other end of which is provided with a first locking part 509; the locking handle 508 is hingedly connected with the main body 503 of the stretcher lock in the middle part, one end of which extends out of the main body 503 of the stretcher lock to form a handle, and the other end of which is provided with a second locking part 501 which is connected with the first locking part 509; an elastic tensioning part 511 is arranged between the locking ring 507 and the locking handle 508; in the state that the first locking part 509 and the second locking part 501 are connected with each other, the elastic tensioning part 511 tightly positions the locking ring 507 and the locking handle 508.

[0068] It should be noted that the stretcher lock 5 is arranged on both sides of the central support rod 201 and on one side of the side support rod 301, and is located at the same height of each of the bidirectional stretchers 204 or the unidirectional stretcher 304.

[0069] It should be noted that the upper end of the shaft pin 502 penetrates through a connecting block fixedly welded on the central support rod 201 or the side support rod 301 to be fixed with the central support rod 201 or the side support rod 301; the lower end penetrates through the positioning seat 505 fixedly welded on the central support rod 201 or the side support rod 301 to be fixed with the central support rod 201 or the side support rod 301.

[0070] It should be noted that the body 503 of the stretcher lock is provided with upper and lower through holes, and can be sleeved on the shaft pin 502; the elastic compression part 504 is sleeved on the shaft pin 502 between the upper and lower through holes, and is preferably in a columnar helical spring structure; the upper end of the elastic compression part 504 is provided with a limiting piece fixed on the shaft pin 502, so that the elastic compression part 504 has a downward compression force; the lower end of the elastic compression part 504 is pressed on the upper end face of the lower through hole of the body 503 of the stretcher lock; the lower end face of the lower through hole is provided with an elastic positioning part 506, which is preferably a spring sheet that can be compressed up and down, and one end of the spring sheet is welded on the lower end face of the lower through hole; the elastic compression part 504 compresses the body 503 of the stretcher lock and the elastic positioning part 506 together on the positioning seat 505; the upper end face of the positioning seat 505 is provided with a groove, and the elastic positioning part 506 is compressed in the groove to realize positioning of the stretcher lock 5; preferably, three grooves are arranged at intervals of 90°, so that the stretcher lock 5 can be positioned in three different directions; when the positioning direction needs to be changed, the stretcher lock 5 is manually pushed to make the elastic positioning part 506 pass over the limit of the groove, so that the stretcher lock 5 can be rotated, and when the elastic positioning part 506 falls into another groove, the stretcher lock 5 is repositioned.

[0071] In an embodiment different from the above structure, the elastic positioning part 506 structure can be removed, the lower end face of the lower through hole is provided with a wavy curved surface structure, and the upper end face of the positioning seat 505 is provided with a wavy curved surface structure matched with the lower end face of the lower through hole; the two curved surfaces are engaged with each other to realize positioning.

[0072] It should be noted that the first locking part 509 is a hook-shaped part provided with two-stage notches, which can realize two-stage locking of the locking ring 507; the second locking part 501 is a hook-shaped part, which can be hooked with the two-stage notches of the first locking part 509 to realize two-stage locking of the locking ring 507, so as to adapt to different thicknesses of the stretcher handle.

[0073] It should be noted that the elastic tensioning part 511 is preferably a tension spring structure, one end of which is hooked on the end of the locking ring 507 away from the first locking part 509, and the other end is hooked on the end of the locking handle 508 away from the second locking part 501; through the lever principle, the locking ring 507 and the locking handle 508 can be pulled tightly with each other.

[0074] It should be noted that when the stretcher handle needs to be locked, first, the locking handle 508 is moved away from the body of the stretcher lock 5, so that the second locking part 501 is separated from the first locking part 509; secondly, the locking ring 507 is lifted and the stretcher handle is inserted into the stretcher lock 5; finally, the locking ring 507 is pressed down, so that the second locking part 501 is hooked with the first locking part 509; the steps of disassembling the stretcher are reversed.

[0075] It should be noted that the body 503 of the stretcher lock is provided with a limiting block 512 close to the second locking part 501, which can prevent the locking handle 508 from rotating too large.

[0076] In the embodiment, the stretcher lock 5 is arranged to fix one side handle of the stretcher and limit the up-down and left-right movement of the stretcher, thereby further providing protection for the transfer of the wounded or sick person.

[0077] In one embodiment, as shown in Figure 9 The bidirectional support 204 comprises the movable support 205 and the main support frame 206 connected with the central support rod 201, and the movable support 205 is installed on both sides of the main support frame 206 through the support positioning mechanism 207.

[0078] The unidirectional support 304, as shown in Figure 10 The unidirectional support 304, as shown in

[0079] It should be noted that the main support frame 206 is preferably fixed on the central support rod 201 or the side support rod 301 by welding; the support positioning mechanism 207 is basically the same as the above-mentioned stretcher lock positioning mechanism 501, except that two grooves spaced 90° apart are arranged to realize the positioning of the two positions of the movable support 205 in the unfolded and folded states; and the stretcher handle is placed on the unfolded movable support 205 during installation.

[0080] In the embodiment, the bidirectional support 204 and the unidirectional support 304 provide stable support force for one end of the stretcher, which is beneficial to the safety guarantee during the transfer of the wounded or sick person; and the unfolding and folding function of the movable support 205 can be used to fold the movable support 205 to be parallel to the main support frame 206 when the stretcher is not loaded, thereby saving space.

[0081] In the embodiment, as shown in Figure 11 The support device further comprises an inclined support rod 6; the inclined support rod 6 is a double-link structure comprising a first link 601 and a second link 602; one end of the first link 601 and one end of the second link 602 are hingedly connected, and the hinged connection point is provided with a fourth connection part 603 connected with the original interface of the cabin bottom plate; the other end of the first link 601 and the other end of the second link 602 are hingedly connected with the middle parts of the two oppositely arranged central support rods 201.

[0082] It should be noted that each connecting point of the inclined support rod 6 is connected through a triangular hinge structure fixed by welding; the fourth connecting part 603 has the same structure as the first connecting part 203.

[0083] In specific implementation, the inclined support rod 6 is connected between the two oppositely arranged central support rods 201, and plays a lateral support role to provide better safety guarantee for the transfer of the wounded.

[0084] In one embodiment, as shown in Figure 1 The stretcher support device is also provided with an alarm lamp 7 and an alarm lamp trigger 8.

[0085] It should be noted that the alarm lamp 7 is fixed on the load sling 101 (preferably adhesively fixed); the alarm lamp trigger 8 extends from the load sling 101 to the side of the stretcher; the alarm lamp 7 and the alarm lamp trigger 8 are connected through a cable and are connected with the on-board power interface through the cable, and the above-mentioned tightening motor 107 is also connected with the on-board power interface through a cable.

[0086] In specific implementation, the wounded can trigger the alarm lamp 7 to call medical personnel through the alarm lamp trigger 8 in an emergency, thereby providing a reliable transfer environment for the wounded.

[0087] In the embodiments of the utility model, the horizontal connecting rod 401, the central support rod 201, the side support rod 301, the bidirectional support 204 and the unidirectional support 304 are all made of aviation aluminum material; the load sling 101, the hanging belt 104 and the support ring 105 are all made of flexible fabric material.

[0088] It should be noted that the flexible fabric is preferably a canvas belt material.

[0089] In specific implementation, aviation aluminum and flexible fabric have the characteristics of light weight and solid structure, so that the overall quality of the support device is more light and portable.

[0090] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0091] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A stereoscopic in-flight stretcher support device, characterized by, The hanging belt unit, and the pair of and oppositely arranged central support unit, side support unit and horizontal support unit; The horizontal support unit comprises a horizontal connecting rod; the horizontal connecting rod is sequentially provided with a first interface, a second interface, a third interface, a fourth interface and a fifth interface from one end to the other end; The central support unit comprises a central support rod; the central support rod is provided with a seventh interface at the upper end for matched connection with the fourth interface, a first connecting part at the lower end for matched connection with the original interface of the cabin bottom plate, and a plurality of bidirectional supports arranged from top to bottom in the middle part; The side support unit comprises a side support rod; the side support rod is provided with a sixth interface at the upper end for matched connection with the first interface, a second connecting part at the lower end for matched connection with the original interface of the cabin bottom plate, and a plurality of unidirectional supports arranged from top to bottom in the middle part, the number of the unidirectional supports being the same as that of the bidirectional supports; The hanging belt unit comprises a plurality of load-bearing hanging belts; each load-bearing hanging belt is provided with an eighth interface at the upper end for matched connection with the second interface, the third interface or the fifth interface, and a third connecting part at the lower end for matched connection with the original interface of the cabin bottom plate; each load-bearing hanging belt is provided with a plurality of hanging belts arranged from top to bottom in the middle part, the number of the hanging belts being the same as that of the bidirectional supports.

2. The stereoscopic in-car stretcher support device according to claim 1, characterized by, Each load-bearing hanging belt is provided with a plurality of support rings arranged from top to bottom in the middle part, the number of the support rings being the same as that of the hanging belts; each bidirectional support, unidirectional support and support ring has the same installation height in one-to-one correspondence; each hanging belt is installed above each support ring in one-to-one correspondence; Each support ring corresponds to the placement of a handle of a stretcher and fixes the handle of the stretcher at the position of the support ring; Each hanging belt passes through the support rod of the stretcher and forms an inclined upward supporting force on the stretcher.

3. The stereoscopic telestration on-board litter support device of claim 2, wherein, The length of each support ring and hanging belt can be adjusted.

4. The stereoscopic telestration on-board litter support device of claim 1, wherein, Each central support rod and side support rod is provided with a stretcher lock for locking the stretcher, and the stretcher lock is arranged on both sides of each bidirectional support and one side of the unidirectional support.

5. The stereoscopic in-car stretcher support device according to claim 4, characterized by, The stretcher lock comprises a stretcher lock positioning mechanism connected with the central support rod or side support rod; the stretcher lock positioning mechanism comprises a shaft pin; the main body of the stretcher lock is movably sleeved on the shaft pin; the upper and lower ends of the shaft pin are fixedly connected with the central support rod or side support rod, the middle part is sleeved with an elastic compression part, and the lower end is fixedly connected with a positioning seat; the lower end surface of the main body of the stretcher lock at the connection position with the shaft pin is provided with an elastic positioning part which can be elastically contracted in the vertical direction; the elastic compression part compresses the main body of the stretcher lock and the elastic positioning part on the positioning seat; the upper end surface of the positioning seat is provided with a plurality of grooves in the circumferential direction; the elastic positioning part falls into the grooves under the pressure of the elastic compression part, so as to implement the circumferential positioning of the main body of the stretcher lock.

6. The stereoscopic telestration on-board litter support device of claim 4, wherein, The stretcher lock further comprises a locking ring and a locking handle for locking the stretcher; the locking ring is in a circular arc structure, one end of which is hingedly connected to the main body of the stretcher lock, and the other end of which is provided with a first locking portion; the locking handle has a middle part hingedly connected to the main body of the stretcher lock, one end of which extends out of the main body of the stretcher lock to form a handle, and the other end of which is provided with a second locking portion matched with the first locking portion; an elastic tensioning portion is arranged between the locking ring and the locking handle; in the matched connection state of the first locking portion and the second locking portion, the elastic tensioning portion tightens and positions the locking ring and the locking handle.

7. The stereoscopic in-car stretcher support device according to claim 1, wherein The bidirectional support comprises a movable support and a main support frame connected with the central support rod; the movable support is installed on both sides of the main support frame through a support positioning mechanism; The unidirectional support comprises the movable support and the main support frame connected with the side support rod; the movable support is installed on one side of the main support frame through the support positioning mechanism.

8. The stereoscopic telestration on-board litter support device of claim 1, wherein, The support device further comprises an inclined support rod; the inclined support rod is in a double-link structure, comprising a first link and a second link; one end of the first link and one end of the second link are hingedly connected, and the hinged connection point is provided with a fourth connection portion matched with the original interface of the cabin bottom plate; the other end of the first link and the other end of the second link are hingedly connected to the middle part of the two oppositely arranged central support rods correspondingly.

9. The stereoscopic in-car stretcher support device according to claim 1, wherein, The stretcher support device is further provided with an alarm light and an alarm light trigger.

10. The stereoscopic telepresence stroller support device of any one of claims 1-9, wherein, The horizontal link, the central support rod, the side support rod, the bidirectional support and the unidirectional support are all made of aviation aluminum material; the load-bearing sling, the hanging belt and the support ring are all made of flexible fabric material.

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