CN221205926U - Movable stretcher bin and transfer trolley - Google Patents

Abstract

The utility model discloses a movable stretcher bin, which comprises two rails which are arranged on the floor of a transfer trolley carriage in a front-back parallel manner, wherein each rail transversely passes through an up-down station or a transfer positioning station in the transfer trolley carriage when being arranged on the floor of the transfer trolley carriage, at least one slide seat provided with a stretcher bin is arranged on the rails in a sliding manner, each stretcher bin comprises at least one layer of stretcher bin body for placing an up-down stretcher, each layer of stretcher bin body consists of a bin body base, a bin body arranged on the bin body base and a bin surface arranged on the bin body for placing the up-down stretcher, each stretcher bin can translate along the rails in the transfer trolley carriage along the rails through the up-down station or the transfer positioning station, and a translation limiting mechanism capable of locking and limiting the slide seat when the slide seat translates to the up-down station or the transfer positioning station along the rails is arranged between each slide seat and the rails. The utility model has the advantages of convenient operation and use and high use stability.

Description

Movable stretcher bin and transfer trolley

Technical Field

The utility model relates to the technical field of stretcher bins for placing boarding stretchers in a transfer trolley, in particular to a movable stretcher bin and a transfer trolley.

Background

The stretcher bin is an indispensable important rescue tool for a transfer trolley to transfer a patient and is used for placing a stretcher on the trolley. The stretcher bin in the transfer car carriage used at present is fixedly arranged on one side in the transfer car carriage, and the position of the stretcher bin in the transfer car carriage is not only an upper car loading and unloading station when the upper car stretcher is loaded and unloaded, but also a transfer and placement station in the transfer process of the upper car stretcher along with the transfer car.

At present, a novel transfer trolley is provided, and a carriage door of the transfer trolley is arranged at the middle position of the carriage rear carriage wall of the transfer trolley carriage, so that the upper and lower carriage stations of the transfer trolley are correspondingly positioned at the middle position of the transfer trolley carriage, and the transfer placement stations of the transfer trolley are positioned at two sides of the transfer trolley carriage. Therefore, how to design a stretcher chamber which is adapted to the novel transfer trolley, so that the stretcher chamber can move towards the middle of the carriage of the transfer trolley and stably stay at the loading and unloading station when the boarding stretcher is loaded and unloaded, and the stretcher chamber can move towards the two sides in the carriage of the transfer trolley and stably stay at the transfer and placement station after the boarding stretcher is loaded and unloaded is a problem to be solved.

Disclosure of utility model

The first object of the utility model is to provide a movable stretcher chamber which can move towards the middle of a carriage of a transfer trolley and stably stay at an up-down station when a stretcher is loaded and unloaded, and can move towards two sides of the carriage of the transfer trolley and stably stay at a transfer positioning station after the stretcher is loaded and unloaded.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the movable stretcher bin comprises two rails which are arranged on the floor of the transfer trolley carriage in a front-back parallel manner, each rail is arranged on the floor of the transfer trolley carriage and transversely stretches across an upper and lower trolley station or a transfer and placement station in the transfer trolley carriage, at least one slide seat provided with the stretcher bin is slidably arranged on the rails, each stretcher bin comprises at least one layer of stretcher bin body used for placing an upper trolley stretcher, each stretcher bin body consists of a bin body base, a bin body arranged on the bin body base and a bin surface arranged on the bin body and used for placing the upper trolley stretcher, each stretcher bin can translate along the rails in the transfer trolley carriage through the upper and lower trolley station or the transfer and placement station along the rails, and a translation limiting mechanism capable of locking and limiting the slide seats when the slide seats translate to the upper and lower trolley station or the transfer and placement station along the rails is arranged between each slide seat and the rails.

Further, the aforementioned mobile litter bin, wherein: the structure of the translation limiting mechanism comprises: a limiting block is respectively fixed on the opposite inner side walls of the two rails, a left-right running rotating rod is respectively rotatably supported at the front end and the rear end of the bottom of the sliding seat, a strip-shaped limiting clamping plate is fixed on each rotating rod along the length direction of the rotating rod, and an upper and lower station limiting opening and a transfer positioning station limiting opening which are arranged at intervals are arranged at the outer edge of each limiting clamping plate; a connecting lug plate is also fixed on each rotating rod, a transmission rod is arranged between the two rotating rods, two ends of the transmission rod are respectively hinged with the connecting lug plates of the two rotating rods, and a pull handle is also fixed at one side end part of each rotating rod; the two transmission rods always have a tendency of downwards rotating until the corresponding limiting clamping plates always downwards lean against the limiting blocks under the action of the elastic component; when each transmission rod moves along the track along the slide seat to the upper and lower station limiting gap on the corresponding limiting clamping plate or the transfer positioning station limiting gap passes through the corresponding limiting block on the corresponding side track, each limiting clamping plate continuously turns downwards under the action of the elastic component so that the corresponding limiting gap is clamped into the corresponding limiting block, and therefore the slide seat and the stretcher bin are fixed in the upper and lower station or the transfer positioning station in a limiting manner; when external force is applied to the pull handle to drive each rotating rod and the limiting clamping plate to overcome the action of the elastic component and simultaneously rotate upwards until the corresponding limiting notch simultaneously leaves the corresponding limiting block, the sliding seat and the stretcher bin can continue to move along the rail.

Further, the aforementioned mobile litter bin, wherein: the structure of the elastic component comprises: the spring is fixed with first spring reference column on the transfer line, is fixed with the second spring reference column in the bottom of slide, and first spring reference column is connected to the one end of spring, and the second spring reference column is connected to the other end of spring.

Further, the aforementioned mobile litter bin, wherein: the outer edges of the limiting clamping plates between the boarding and alighting station limiting openings of each limiting clamping plate and the transferring and arranging station limiting openings are sequentially provided with a plurality of position adjusting openings along the length direction of the limiting clamping plates, and the position adjusting openings of the two limiting clamping plates are in one-to-one correspondence.

Further, the aforementioned mobile litter bin, wherein: the surface of the stretcher bin body is elastically supported on the bin body main body through a steel wire rope shock absorber.

Further, the aforementioned mobile litter bin, wherein: the main body of the stretcher bin body adopts a three-section telescopic bin body consisting of a lower-section bin body, a middle-section bin body and an upper-section bin body.

Further, the aforementioned mobile litter bin, wherein: the stretcher locking mechanism for locking the boarding stretcher placed on the bin surface is arranged on the bin surface of the stretcher bin body, and the structure of the stretcher locking mechanism comprises: two positioning blocks are symmetrically fixed on the front side and the rear side of the upper surface of the bin surface respectively, the two positioning blocks on the front side are symmetrically arranged left and right, the two positioning blocks on the rear side are symmetrically arranged left and right, a positioning notch which penetrates through the corresponding positioning blocks up and down is formed in the front side wall of each positioning block, and when the boarding stretcher is placed on the bin surface, square frame type support legs at four corners of the bottom of the boarding stretcher can be exactly clamped into the positioning notches of the four positioning blocks respectively; the two positioning blocks are arranged on the opposite inner side walls of the front side and the rear side, guide holes which are penetrated inwards to corresponding positioning notches are formed in the opposite inner side walls of the front side and the rear side, mounting seats which correspond to the guide holes are also fixedly arranged on the opposite inner side walls of the front side and the rear side, stepped mounting holes which are penetrated through the mounting seats from left to right and are correspondingly communicated with the guide holes of the positioning blocks are formed in each mounting seat, and a lock pin is penetrated in each corresponding guide hole and each stepped mounting hole; a front-back transmission connecting rod is rotatably supported in the middle of the bin surface of the stretcher bin body, an operation handle is fixed at the front end of the transmission connecting rod, two first connecting plates which are arranged in a front-back mode are fixedly sleeved on the transmission connecting rod, the first connecting plate at the front side is positioned between two positioning blocks at the front side of the bin surface, the first connecting plate at the rear side is positioned between two positioning blocks at the rear side of the bin surface, two ends of the first connecting plate at the front side are respectively connected with two locking pins at the front side through a second connecting plate, and two ends of the first connecting plate at the rear side are respectively connected with two locking pins at the rear side through a third connecting plate; a locking spring is arranged in the stepped mounting hole of each mounting seat, one end of each locking spring is propped against the step surface of the corresponding stepped mounting hole, the other end of each locking spring is propped against a lock pin penetrating into the corresponding stepped mounting hole, and each lock pin always has a trend of inwards extending into a positioning notch of the corresponding positioning block under the action of the locking spring; when square frame type support legs at four corners of the bottom of the boarding stretcher are respectively clamped into the positioning notch of the four positioning blocks on the bin surface, each lock pin can simultaneously inwards extend into the positioning notch of the corresponding positioning block under the action of the locking spring and is inserted into the corresponding square frame type support legs of the boarding stretcher so as to lock the boarding stretcher.

Further, the aforementioned mobile litter bin, wherein: the front end of the bin body base of the stretcher bin body positioned at the lowest layer of the stretcher bin is hinged with the sliding seat, a supporting component is connected between the rear end of the bin body base of the stretcher bin body positioned at the lowest layer of the stretcher bin and the sliding seat, and the supporting component can enable the stretcher bin body positioned at the lowest layer to be in a forward and downward inclined state which is convenient for loading and unloading the stretcher or enable the stretcher bin body positioned at the lowest layer to be in a flat state.

Further, the aforementioned mobile litter bin, wherein: the stretcher bin comprises two layers of stretcher bin bodies which are arranged up and down and can be used for respectively placing a boarding stretcher, the front end of a bin body base of the lowest layer of stretcher bin body is hinged with the sliding seat, a supporting component is connected between the rear end of the bin body base of the lowest layer of stretcher bin body and the sliding seat, and the supporting component can enable the lowest layer of stretcher bin body to be in a forward and downward inclined state which is convenient for the boarding stretcher to get on or off or enable the lowest layer of stretcher bin body to be in a flat state; the bin body base of the upper layer stretcher bin body is arranged on the sliding seat through a four-bar connecting structure, a driving assembly is arranged between the sliding seat and the four-bar connecting structure, and the driving assembly can drive the upper layer stretcher bin body to be in a forward downward inclined state which is convenient for a boarding stretcher to get on or off or enable the upper layer stretcher bin body to be in a flat state.

Further, the aforementioned mobile litter bin, wherein: the structure of the support component comprises: two guide blocks which are arranged left and right are arranged on the upper surface of the sliding seat below the rear end of the lowermost stretcher bin body, a strip-shaped guide groove which runs forwards and backwards is respectively arranged on the opposite inner walls of the two guide blocks, and the guide grooves of the two guide blocks correspond to each other; the rear end of the cabin body of the lowermost stretcher cabin body is provided with a supporting guide frame positioned between the two guide blocks, the upper end of the supporting guide frame is hinged to the rear end of the bottom of the cabin body base of the lowermost stretcher cabin body through an upper connecting shaft, the lower end of the supporting guide frame is provided with a lower connecting shaft, and the left end and the right end of the lower connecting shaft respectively extend into the guide grooves of the guide blocks at the two sides; a gas spring is connected between the rear end of the lowest stretcher bin body and the sliding seat; the rear end of the sliding seat is supported with a left-right rear rotating shaft, a rear handle extending out of the sliding seat backwards is fixed on the rear rotating shaft, a locking frame extending forwards below the supporting guide frame is also fixed on the rear rotating shaft, a locking bulge is arranged at the top of the locking frame, a torsion spring is sleeved on the rear rotating shaft, two ends of the torsion spring are respectively connected with the sliding seat and the locking frame, and the torsion spring enables the locking frame to always have a trend of turning upwards; when the rear end of the stretcher bin body at the lowest layer is lifted upwards, the supporting guide frame moves backwards along the guide groove along with the lifting of the rear end of the stretcher at the lowest layer and gradually erects the rear end of the stretcher bin body at the lowest layer until the two ends of the lower connecting shaft at the lower end of the supporting guide frame are propped against the rear end groove wall of the corresponding side guide groove backwards, at the moment, the locking frame can be overturned upwards under the action of the torsion spring until the locking bulge of the locking frame just clamps and fixes the lower connecting shaft of the supporting guide frame at the rear end of the guide groove, so that the supporting guide frame keeps an erecting supporting state of erecting the rear end of the stretcher bin body at the lowest layer, and the stretcher bin body at the lowest layer is in a forward and downward inclined state which is convenient for boarding and disembarking; when external force is applied to the rear handle to drive the rear rotating shaft and the locking frame to overturn downwards until the locking protrusion does not prevent the lower connecting shaft of the supporting guide frame from moving forwards along the guide groove, the lower end of the supporting guide frame can move forwards along the guide groove under the action of the weight of the lowest stretcher bin body and be gradually flattened, so that the rear end of the lowest stretcher bin body is flattened on the sliding seat again, and the weight of the lowest stretcher bin body is in a flattened state again.

The second object of the utility model is to provide a transfer trolley in which a stretcher bin can move towards the middle of a carriage of the transfer trolley and stably stay at an up-down station when a boarding stretcher gets on or off, and the stretcher bin can move towards two sides in the carriage of the transfer trolley and stably stay at a transfer positioning station after the boarding stretcher gets on or off.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a transfer car, comprising: install transfer car body in transfer car carriage, wherein: the middle part of the rear compartment wall of the transfer car carriage is provided with a middle compartment door 1, a movable stretcher compartment is arranged in the transfer car carriage, and a track of the movable stretcher compartment transversely spans an upper car-unloading station or a transfer arrangement station in the transfer car carriage, so that each sliding seat and the stretcher compartment in the movable stretcher compartment can translate to the upper car-unloading station corresponding to the middle compartment door or translate to the transfer arrangement station to two sides along the track in the transfer car carriage.

Through implementation of the technical scheme, the utility model has the beneficial effects that: the operation and use are convenient, the use stability and the use safety are high, the stretcher bin can move towards the middle of the carriage of the transfer trolley and stably stay at the loading and unloading station when the boarding stretcher is loaded and unloaded, and the stretcher bin can move towards the two sides of the carriage of the transfer trolley and stably stay at the transfer and placement station after the boarding stretcher is loaded and unloaded.

Drawings

Fig. 1 is a schematic structural view of one view angle of an upper layer stretcher chamber body and a lower layer stretcher chamber body in a flat state in the movable stretcher chamber.

Fig. 2 is a schematic structural view of another view angle when both the upper and lower layers of the stretcher chamber body in the movable stretcher chamber are in a flat state.

Fig. 3 is an enlarged schematic view of the a portion shown in fig. 2.

Fig. 4 is a schematic diagram of the mutual positional relationship of the rotating rod, the limiting clamping plate, the boarding and disembarking limiting notch and the transferring and positioning station limiting notch.

Fig. 5 is a schematic structural view of one view angle of the upper layer stretcher chamber body in the movable stretcher chamber in the utility model when the upper layer stretcher chamber body is in a flat state and the lower layer stretcher chamber body is in an inclined state.

Fig. 6 is an enlarged schematic view of the B site shown in fig. 5.

Fig. 7 is a schematic view of a structural state of another view angle when the upper layer stretcher chamber bodies in the movable stretcher chamber are in a flat state and the lower layer stretcher chamber bodies are in an inclined state.

Fig. 8 is an enlarged schematic view of the C portion shown in fig. 7.

Fig. 9 is a schematic structural view of the movable stretcher chamber with the boarding stretcher removed.

Fig. 10 is an enlarged schematic view of the portion D shown in fig. 9.

Fig. 11 is a schematic structural view of the boarding stretcher.

Fig. 12 is a schematic structural view of the stretcher locking mechanism.

Fig. 13 is a schematic view of the structure of the mobile stretcher chamber with only one slide and the stretcher chamber in the transfer station when the slide and the stretcher chamber are mounted in the transfer car.

Fig. 14 is a schematic view of the structure of the mobile stretcher chamber with only one slide and stretcher chamber in the loading and unloading station when the mobile stretcher chamber is mounted in the transfer car.

Fig. 15 is a schematic view of the structure of a mobile litter bin having two slides and litter bins therein, each slide and litter bin being located at a transfer station when the mobile litter bin is mounted in a transfer car.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, fig. 14, fig. 15, the movable stretcher bin comprises two rails 3 which are arranged on the carriage floor 2 of the transfer trolley 1 in parallel, each rail 3 is arranged on the carriage floor 2 of the transfer trolley and transversely extends to pass through an up-down trolley station or a transfer positioning station in the carriage of the transfer trolley 1, at least one slide seat 4 provided with a stretcher bin is slidably arranged on the rails 3, each stretcher bin comprises at least one layer of stretcher bin body 5 for placing an up-trolley, each stretcher bin body 5 is composed of a bin body base 51, a bin body 52 arranged on the bin body base 51 and a bin surface 53 arranged on the bin body 52 for placing the up-trolley stretcher, each stretcher bin can translate along the rails 3 in the transfer trolley carriage and passes through the up-down trolley station or the transfer positioning station, and can translate and position limit mechanisms can be locked between each slide seat 4 and the rail 3 and the slide seat 4;

In this embodiment, the structure of the translation limiting mechanism includes: a limiting block 6 is respectively fixed on the opposite inner side walls of the two rails 3, a left-right running rotating rod 7 is respectively rotatably supported at the front end and the rear end of the bottom of the sliding seat 4, a strip-shaped limiting clamping plate 8 is fixed on each rotating rod 7 along the length direction of the rotating rod, and a boarding and alighting station limiting opening 9 and a transferring and arranging station limiting opening 10 which are arranged at intervals are arranged at the left side and the right side are arranged at the outer edge of each limiting clamping plate 8; a connecting lug plate 11 is also fixed on each rotating rod 7, a transmission rod 12 is arranged between the two rotating rods 7, two ends of the transmission rod 12 are respectively hinged with the connecting lug plates 11 of the two rotating rods 7, and a handle 13 is also fixed at one side end part of each rotating rod 7; the two transfer lines 7 have the trend of rotating downwards all the time to make its corresponding spacing cardboard 8 all the time downwards to lean on stopper 6 under the effect of elastic component, in this embodiment, elastic component's structure includes: a spring 14, a first spring positioning column 15 is fixed on the transmission rod 12, a second spring positioning column 16 is fixed at the bottom of the sliding seat 4, one end of the spring 14 is connected with the first spring positioning column 15, and the other end of the spring 14 is connected with the second spring positioning column 16; when each driving rod 7 moves along the rail 3 along the slide carriage 4 to the upper and lower vehicle station limiting notch 9 or the transfer positioning station limiting notch 10 on the corresponding limiting clamping plate 8 passes through the corresponding limiting block 6 of the corresponding side rail 3, each limiting clamping plate 8 continuously turns downwards under the action of the spring 14 so that the corresponding limiting notch is clamped into the corresponding limiting block 6, and therefore the slide carriage 4 and the stretcher bin are fixed in a limiting manner at the upper and lower vehicle station or the transfer positioning station; when external force is applied to the handle 13 to drive the rotating rods and the limiting clamping plates to overcome the elastic force of the springs 14 and simultaneously rotate upwards until the corresponding limiting openings simultaneously leave the corresponding limiting blocks 6, the sliding seat 4 and the stretcher bin can continue to move along the track 3; the translation limiting mechanism is safe and reliable and is convenient to operate; in this embodiment, a plurality of position adjustment openings 31 are sequentially arranged along the length direction of the outer edges of the limiting clamping plates between the upper and lower vehicle station limiting openings 9 and the transfer and placement station limiting openings 10 of each limiting clamping plate 8, and the position adjustment openings 31 of the two limiting clamping plates 8 are in one-to-one correspondence;

In the embodiment, the bin surface 53 of the stretcher bin body is elastically supported on the bin body main body 52 through the steel wire rope damper 17, so that the use safety can be improved; in the embodiment, the cabin body 52 of the stretcher cabin body 5 adopts a three-section telescopic cabin body consisting of a lower section cabin body, a middle section cabin body and an upper section cabin body, so that the loading and unloading of the stretcher can be more conveniently completed, and the stretcher is more convenient to use;

In this embodiment, a stretcher locking mechanism for locking the boarding stretcher 33 placed on the bin surface 53 is provided on the bin surface 53 of the stretcher bin body, and the structure of the stretcher locking mechanism includes: two positioning blocks 34 are symmetrically fixed on the front side and the rear side of the upper surface of the bin surface 53 respectively, the two positioning blocks 34 on the front side are symmetrically arranged left and right, the two positioning blocks 34 on the rear side are symmetrically arranged left and right, a positioning notch 35 which penetrates through the corresponding positioning block 34 up and down is arranged on the front side wall of each positioning block 34, and when the boarding stretcher 33 is placed on the bin surface 53, square frame type support legs 331 at four corners of the bottom of the boarding stretcher 33 can be exactly clamped into the positioning notches 35 of the four positioning blocks 34 respectively; the two positioning blocks 34 on the front side are respectively provided with a guide hole penetrating inwards to a corresponding positioning notch 35 on the opposite inner side walls of the two positioning blocks 34 on the rear side, the two positioning blocks 34 on the front side are respectively provided with a mounting seat 36 corresponding to the guide hole on the opposite inner side walls of the two positioning blocks 34 on the rear side, each mounting seat 36 is provided with a stepped mounting hole which penetrates through the mounting seat 36 from left to right and is correspondingly communicated with the guide hole of the positioning block on which the positioning pin is positioned, and each corresponding guide hole and the stepped mounting hole are respectively provided with a locking pin 37 in a penetrating way; a front-back transmission connecting rod 38 is rotatably supported in the middle of a bin surface 53 of the stretcher bin body 5, an operation handle 39 is fixed at the front end of the transmission connecting rod 38, two front-back first connecting plates 40 are fixedly sleeved on the transmission connecting rod 38, the front-side first connecting plates 40 are positioned between two positioning blocks 34 at the front side of the bin surface 53, the rear-side first connecting plates 40 are positioned between two positioning blocks 34 at the rear side of the bin surface 53, two ends of the front-side first connecting plates 40 are respectively connected with two locking pins 37 at the front side through second connecting plates 41, and two ends of the rear-side first connecting plates 40 are respectively connected with two locking pins 37 at the rear side through third connecting plates 42; a locking spring 43 is arranged in the stepped mounting hole of each mounting seat 36, one end of each locking spring 43 is propped against the step surface of the corresponding stepped mounting hole, the other end is propped against the locking pin 37 penetrating into the corresponding stepped mounting hole, and each locking pin 37 always has a trend of inwards extending into the positioning notch 35 of the corresponding positioning block 34 under the action of the locking spring 43; when the square support legs 331 at the four corners of the bottom of the boarding stretcher 33 are respectively clamped into the positioning notches 35 of the four positioning blocks 34 on the warehouse surface 53, each lock pin 37 simultaneously stretches inwards into the positioning notch 35 of the corresponding positioning block 34 under the action of the locking spring 43 and is inserted into the corresponding square support leg 331 of the boarding stretcher 33 to lock the boarding stretcher 33; when the boarding stretcher 33 needs to be unlocked, the operating handle 39 is only required to be rotated by external force, and the operating handle 39 drives the locking pins 37 to retract into the guide holes of the corresponding positioning blocks 34 simultaneously through the first connecting plates 40, the second connecting plates 41 and the third connecting plates 42 so as to unlock the boarding stretcher 33;

In the embodiment, the stretcher bin comprises two layers of stretcher bin bodies which are arranged up and down and can be used for respectively placing a boarding stretcher, the front end of a bin body base 51 of the lowest layer of stretcher bin body is hinged with the sliding seat 4, a supporting component is connected between the rear end of the bin body base 51 of the lowest layer of stretcher bin body and the sliding seat 4, and the supporting component can enable the lowest layer of stretcher bin body to be in a forward and downward inclined state which is convenient for the boarding stretcher to get on or off or enable the lowest layer of stretcher bin body to be in a flat state; the bin base 51 of the upper layer stretcher bin body is arranged on the sliding seat 4 through the four-bar connecting structure 18, a driving component 19 is arranged between the sliding seat 4 and the four-bar connecting structure 18, and the driving component 19 can drive the upper layer stretcher bin body to be in a forward and downward inclined state which is convenient for getting on and off a stretcher or to be in a flat state through the four-bar connecting structure 18;

In this embodiment, the structure of the support assembly includes: two guide blocks 20 which are arranged left and right are arranged on the upper surface of the sliding seat 4 below the rear end of the lowermost stretcher bin body, a strip-shaped guide groove 21 which runs forwards and backwards is respectively arranged on the opposite inner walls of the two guide blocks 20, and the guide grooves 21 of the two guide blocks 20 correspond to each other; the bottom of the rear end of the lowest stretcher bin body is provided with a supporting guide frame 22 positioned between two guide blocks, the upper end of the supporting guide frame 22 is hinged to the rear end of the bottom of a bin body base 51 of the lowest stretcher bin body through an upper connecting shaft 23, the lower end of the supporting guide frame 22 is provided with a lower connecting shaft 24, and the left end and the right end of the lower connecting shaft 24 respectively extend into guide grooves 21 of the guide blocks 20 at two sides; a gas spring 32 is connected between the rear end of the lowermost stretcher bin body and the sliding seat 4, a left-right rear rotating shaft 25 is supported at the rear end of the sliding seat 4, a rear handle 26 extending out of the sliding seat 4 backwards is fixed on the rear rotating shaft 25, a locking frame 27 extending forwards below the supporting guide frame 22 is also fixed on the rear rotating shaft 25, a locking protrusion 28 is arranged at the top of the locking frame 27, a torsion spring 29 is sleeved on the rear rotating shaft 25, and two ends of the torsion spring 29 are respectively connected with the sliding seat 4 and the locking frame 27, so that the locking frame 27 always has an upward overturning trend due to the torsion spring 29; when the rear end of the lowermost stretcher bin body is lifted upwards, the supporting guide frame 22 moves backwards along the guide groove 21 along with the lifting of the rear end of the lowermost stretcher and gradually erects to support the rear end of the lowermost stretcher bin body until the two ends of the lower connecting shaft 24 at the lower end of the supporting guide frame 22 are propped against the rear end groove wall of the corresponding side guide groove 21 backwards, at the moment, the locking frame 27 can be overturned upwards under the action of the torsion spring 29 until the locking bulge 28 of the locking frame just clamps and fixes the lower connecting shaft 24 of the supporting guide frame 22 at the rear end of the guide groove 21, so that the supporting guide frame 22 keeps an erecting supporting state for erecting the rear end of the lowermost stretcher bin body, and the lowermost stretcher bin body is in a forward and downward inclined state for facilitating the boarding and disembarking of the stretcher; when external force is applied to the rear handle 26 to drive the rear rotating shaft 25 and the locking frame 27 to overturn downwards until the locking protrusion 28 does not prevent the lower connecting shaft 24 of the supporting guide frame 22 from moving forwards along the guide groove 21, the lower end of the supporting guide frame 22 moves forwards along the guide groove 21 under the action of the weight of the lowermost stretcher bin body and is gradually flattened, so that the rear end of the lowermost stretcher bin body is flattened on the sliding seat 4 again, and the lowermost stretcher bin body is in a flattened state again; when the medical staff carelessly steps down on the rear handle, the locking frame only can tightly clamp and fix the lower connecting shaft 24 of the supporting guide frame 22 at the rear end of the guide groove 21, so that the lowest stretcher bin body cannot be unlocked and falls down due to the careless downward stepping of the rear handle by the medical staff, the situation that the medical staff is injured by the lowest stretcher bin body due to misoperation is avoided, and the use safety is high;

The embodiment also includes a transfer cart including: the transfer car body of transfer car carriage is installed, be provided with middle carriage door 30 at the middle part of the back carriage wall of transfer car carriage, be provided with movable stretcher storehouse in the transfer car carriage, the track of movable stretcher storehouse is spaned about and is passed through the upper and lower car station in the transfer car carriage or transport and settle the station, so that every slide and stretcher storehouse in movable stretcher storehouse can translate to the upper and lower car station that corresponds middle carriage door or translate to transport and settle the station to both sides along the track in the transfer car carriage to the middle of the transfer car carriage.

When the boarding stretcher gets on or off the car, the medical staff holds and pulls the handle 13 backwards and upwards, when the handle 13 rotates backwards and upwards, the rotating rods 7 and the limiting clamping plates 8 can be driven to simultaneously rotate upwards against the elasticity of the springs 14 until the limiting openings simultaneously leave the corresponding limiting blocks 6, and at the moment, the sliding seat 4 and the stretcher bin can move along the track 3; then the sliding seat 4 and the stretcher bin are pushed to move towards the middle of the carriage of the transfer trolley along the rail 3 until the up-and-down vehicle station limiting notch 9 on the corresponding limiting clamping plate 8 of each transmission rod 7 is opposite to the corresponding limiting block 6 of the corresponding side rail 3, then the external force applied to the handle 13 is removed, at the moment, each limiting clamping plate 8 continuously turns downwards under the action of the spring 14 so that the up-and-down vehicle station limiting notch 9 is clamped into the corresponding limiting block 6, and therefore the sliding seat 4 and the stretcher bin are stably limited and fixed at the up-and-down vehicle station, and at the moment, the sliding seat 4 and the stretcher bin are opposite to the middle carriage door 30 of the rear carriage wall of the carriage of the transfer trolley;

When the boarding stretcher gets on or off, the stretcher bin bodies on the sliding seat 4 can be in a forward and downward inclined state which is convenient for the boarding stretcher to get on or off; wherein, the operation of making the lowest layer stretcher bin body on the slide seat 4 in a forward and downward inclined state is as follows: the medical staff manually lifts the rear end of the lowest layer stretcher bin body upwards, in the process of lifting the rear end of the lowest layer stretcher bin body upwards, the gas spring 32 can assist the medical staff to lift the rear end of the lowest layer stretcher bin body upwards, when the rear end of the lowest layer stretcher bin body is lifted upwards, the supporting guide frame 22 can move backwards along the guide groove 21 along with the lifting of the rear end of the lowest layer stretcher and gradually erects to support the rear end of the lowest layer stretcher bin body until the two ends of the lower connecting shaft 24 at the lower end of the supporting guide frame 22 backwards lean against the rear end groove walls of the corresponding side guide grooves 21, and the position is the maximum inclination angle of the lowest layer stretcher bin body; at this time, the locking frame 27 can be turned upwards under the action of the torsion spring 29 until the locking protrusion 28 just clamps and fixes the lower connecting shaft 24 of the supporting guide frame 22 at the rear end of the guide groove 21, so that the supporting guide frame 22 keeps a standing supporting state of standing and supporting the rear end of the lowest stretcher bin body, and the lowest stretcher bin body is in a forward and downward inclined state which is convenient for getting on and off the stretcher; wherein, the operation of putting the lowest stretcher bin on the sliding seat 4 again is as follows: the medical staff holds and pulls the rear handle 26 upwards, the rear handle 26 drives the rear rotating shaft 25 and the locking frame 27 to overturn downwards until the locking protrusion 28 does not prevent the lower connecting shaft 24 of the supporting guide frame 22 from moving forwards along the guide groove 21, at the moment, the lower end of the supporting guide frame 22 can move forwards along the guide groove 21 under the action of the weight of the lowest stretcher bin body and is gradually flattened, so that the rear end of the lowest stretcher bin body is flattened on the sliding seat 4 again, and when the rear end of the lowest stretcher bin body is flattened downwards, the gas spring 32 can slowly flatten the lowest stretcher bin body until the weight of the lowest stretcher bin body is flattened again; wherein, the operation of making the upper stretcher chamber body on the slide seat 4 in a forward downward inclined state or a flat state is as follows: the driving assembly can drive the upper layer stretcher bin body to be in a forward downward inclined state which is convenient for the boarding stretcher to get on or off or to be in a flat state through the four-bar connecting structure 18.

When the boarding stretcher gets on or off, medical staff holds and pulls the handle 13 backwards and upwards, and when the handle 13 rotates backwards and upwards, the rotating rods 7 and the limiting clamping plates 8 can be driven to simultaneously rotate upwards against the elasticity of the springs 14 until the limiting openings simultaneously leave the corresponding limiting blocks 6, and at the moment, the sliding seat 4 and the stretcher bin can move along the track 3; then the slide seat 4 and the stretcher bin are pushed to move towards two sides of the carriage of the transfer trolley along the rail 3 until the transfer positioning station limiting notch 10 on the corresponding limiting clamping plate 8 of each transmission rod 7 faces the corresponding limiting block 6 of the corresponding side rail 3, then the external force applied to the pull handle 13 is removed, and at the moment, each limiting clamping plate 8 continuously turns downwards under the action of the spring 14 so that the transfer positioning station limiting notch 10 is clamped into the corresponding limiting block 6, and therefore the slide seat 4 and the stretcher bin are stably limited and fixed at the transfer positioning station.

The utility model has the advantages that: the operation and use are convenient, the use stability and the use safety are high, the stretcher bin can move towards the middle of the carriage of the transfer trolley and stably stay at the loading and unloading station when the boarding stretcher is loaded and unloaded, and the stretcher bin can move towards the two sides of the carriage of the transfer trolley and stably stay at the transfer and placement station after the boarding stretcher is loaded and unloaded.

The above description is only of the preferred embodiment of the present utility model, and is not intended to limit the present utility model in any other way, but any modifications or equivalent variations according to the technical spirit of the present utility model are still included in the scope of the present utility model.

Claims (10)

1. The movable stretcher bin is characterized in that: the stretcher comprises two rails which are arranged on the floor of a transfer trolley carriage in a front-back parallel manner, each rail is arranged on the floor of the transfer trolley carriage and transversely stretches across an boarding and alighting station or a transferring and arranging station in the transfer trolley carriage, at least one slide seat provided with a stretcher cabin is arranged on the rails in a sliding manner, each stretcher cabin comprises at least one layer of stretcher cabin body used for placing a boarding stretcher, each layer of stretcher cabin body consists of a cabin body base, a cabin body arranged on the cabin body base and a cabin surface arranged on the cabin body and used for placing the boarding stretcher, each stretcher cabin can translate along the rails in the transfer trolley carriage along with the corresponding slide seat to pass through the boarding and alighting station or the transferring and arranging station, and a translation limiting mechanism capable of locking and limiting the slide seat when the slide seat translates to the boarding and alighting station or the transferring and arranging station along the rails is arranged between each slide seat and the rails.

2. The mobile litter compartment of claim 1 wherein: the structure of the translation limiting mechanism comprises: a limiting block is respectively fixed on the opposite inner side walls of the two rails, a left-right running rotating rod is respectively rotatably supported at the front end and the rear end of the bottom of the sliding seat, a strip-shaped limiting clamping plate is fixed on each rotating rod along the length direction of the rotating rod, and an upper and lower station limiting opening and a transfer positioning station limiting opening which are arranged at intervals are arranged at the outer edge of each limiting clamping plate; a connecting lug plate is also fixed on each rotating rod, a transmission rod is arranged between the two rotating rods, two ends of the transmission rod are respectively hinged with the connecting lug plates of the two rotating rods, and a pull handle is also fixed at one side end part of each rotating rod; the two transmission rods always have a tendency of downwards rotating until the corresponding limiting clamping plates always downwards lean against the limiting blocks under the action of the elastic component; when each transmission rod moves along the track along the slide seat to the upper and lower station limiting gap on the corresponding limiting clamping plate or the transfer positioning station limiting gap passes through the corresponding limiting block on the corresponding side track, each limiting clamping plate continuously turns downwards under the action of the elastic component so that the corresponding limiting gap is clamped into the corresponding limiting block, and therefore the slide seat and the stretcher bin are fixed in the upper and lower station or the transfer positioning station in a limiting manner; when external force is applied to the pull handle to drive each rotating rod and the limiting clamping plate to overcome the action of the elastic component and simultaneously rotate upwards until the corresponding limiting notch simultaneously leaves the corresponding limiting block, the sliding seat and the stretcher bin can continue to move along the rail.

3. The mobile litter compartment of claim 2 wherein: the outer edges of the limiting clamping plates between the boarding and alighting station limiting openings of each limiting clamping plate and the transferring and arranging station limiting openings are sequentially provided with a plurality of position adjusting openings along the length direction of the limiting clamping plates, and the position adjusting openings of the two limiting clamping plates are in one-to-one correspondence.

4. The mobile litter compartment of claim 1 wherein: the surface of the stretcher bin body is elastically supported on the bin body main body through a steel wire rope shock absorber.

5. The mobile litter compartment of claim 1 wherein: the main body of the stretcher bin body adopts a three-section telescopic bin body consisting of a lower-section bin body, a middle-section bin body and an upper-section bin body.

6. The mobile litter compartment of claim 1 wherein: the stretcher locking mechanism for locking the boarding stretcher placed on the bin surface is arranged on the bin surface of the stretcher bin body, and the structure of the stretcher locking mechanism comprises: two positioning blocks are symmetrically fixed on the front side and the rear side of the upper surface of the bin surface respectively, the two positioning blocks on the front side are symmetrically arranged left and right, the two positioning blocks on the rear side are symmetrically arranged left and right, a positioning notch which penetrates through the corresponding positioning blocks up and down is formed in the front side wall of each positioning block, and when the boarding stretcher is placed on the bin surface, square frame type support legs at four corners of the bottom of the boarding stretcher can be exactly clamped into the positioning notches of the four positioning blocks respectively; the two positioning blocks are arranged on the opposite inner side walls of the front side and the rear side, guide holes which are penetrated inwards to corresponding positioning notches are formed in the opposite inner side walls of the front side and the rear side, mounting seats which correspond to the guide holes are also fixedly arranged on the opposite inner side walls of the front side and the rear side, stepped mounting holes which are penetrated through the mounting seats from left to right and are correspondingly communicated with the guide holes of the positioning blocks are formed in each mounting seat, and a lock pin is penetrated in each corresponding guide hole and each stepped mounting hole; a front-back transmission connecting rod is rotatably supported in the middle of the bin surface of the stretcher bin body, an operation handle is fixed at the front end of the transmission connecting rod, two first connecting plates which are arranged in a front-back mode are fixedly sleeved on the transmission connecting rod, the first connecting plate at the front side is positioned between two positioning blocks at the front side of the bin surface, the first connecting plate at the rear side is positioned between two positioning blocks at the rear side of the bin surface, two ends of the first connecting plate at the front side are respectively connected with two locking pins at the front side through a second connecting plate, and two ends of the first connecting plate at the rear side are respectively connected with two locking pins at the rear side through a third connecting plate; a locking spring is arranged in the stepped mounting hole of each mounting seat, one end of each locking spring is propped against the step surface of the corresponding stepped mounting hole, the other end of each locking spring is propped against a lock pin penetrating into the corresponding stepped mounting hole, and each lock pin always has a trend of inwards extending into a positioning notch of the corresponding positioning block under the action of the locking spring; when square frame type support legs at four corners of the bottom of the boarding stretcher are respectively clamped into the positioning notch of the four positioning blocks on the bin surface, each lock pin can simultaneously inwards extend into the positioning notch of the corresponding positioning block under the action of the locking spring and is inserted into the corresponding square frame type support legs of the boarding stretcher so as to lock the boarding stretcher.

7. The mobile litter compartment of claim 1 wherein: the front end of the bin body base of the stretcher bin body positioned at the lowest layer of the stretcher bin is hinged with the sliding seat, a supporting component is connected between the rear end of the bin body base of the stretcher bin body positioned at the lowest layer of the stretcher bin and the sliding seat, and the supporting component can enable the stretcher bin body positioned at the lowest layer to be in a forward and downward inclined state which is convenient for loading and unloading the stretcher or enable the stretcher bin body positioned at the lowest layer to be in a flat state.

8. The mobile litter compartment of claim 1 wherein: the stretcher bin comprises two layers of stretcher bin bodies which are arranged up and down and can be used for respectively placing a boarding stretcher, the front end of a bin body base of the lowest layer of stretcher bin body is hinged with the sliding seat, a supporting component is connected between the rear end of the bin body base of the lowest layer of stretcher bin body and the sliding seat, and the supporting component can enable the lowest layer of stretcher bin body to be in a forward and downward inclined state which is convenient for the boarding stretcher to get on or off or enable the lowest layer of stretcher bin body to be in a flat state; the bin body base of the upper layer stretcher bin body is arranged on the sliding seat through a four-bar connecting structure, a driving assembly is arranged between the sliding seat and the four-bar connecting structure, and the driving assembly can drive the upper layer stretcher bin body to be in a forward downward inclined state which is convenient for a boarding stretcher to get on or off or enable the upper layer stretcher bin body to be in a flat state.

9. The mobile litter compartment of claim 7 or 8 wherein: the structure of the support component comprises: two guide blocks which are arranged left and right are arranged on the upper surface of the sliding seat below the rear end of the lowermost stretcher bin body, a strip-shaped guide groove which runs forwards and backwards is respectively arranged on the opposite inner walls of the two guide blocks, and the guide grooves of the two guide blocks correspond to each other; the rear end of the cabin body of the lowermost stretcher cabin body is provided with a supporting guide frame positioned between the two guide blocks, the upper end of the supporting guide frame is hinged to the rear end of the bottom of the cabin body base of the lowermost stretcher cabin body through an upper connecting shaft, the lower end of the supporting guide frame is provided with a lower connecting shaft, and the left end and the right end of the lower connecting shaft respectively extend into the guide grooves of the guide blocks at the two sides; a gas spring is connected between the rear end of the lowermost stretcher bin body and the sliding seat, a left-right rear rotating shaft is supported at the rear end of the sliding seat, a rear handle extending backwards out of the sliding seat is fixed on the rear rotating shaft, a locking frame extending forwards below the supporting guide frame is also fixed on the rear rotating shaft, a locking bulge is arranged at the top of the locking frame, a torsion spring is sleeved on the rear rotating shaft, two ends of the torsion spring are respectively connected with the sliding seat and the locking frame, and the torsion spring enables the locking frame to always have a trend of upwards overturning; when the rear end of the stretcher bin body at the lowest layer is lifted upwards, the supporting guide frame moves backwards along the guide groove along with the lifting of the rear end of the stretcher at the lowest layer and gradually erects the rear end of the stretcher bin body at the lowest layer until the two ends of the lower connecting shaft at the lower end of the supporting guide frame are propped against the rear end groove wall of the corresponding side guide groove backwards, at the moment, the locking frame can be overturned upwards under the action of the torsion spring until the locking bulge of the locking frame just clamps and fixes the lower connecting shaft of the supporting guide frame at the rear end of the guide groove, so that the supporting guide frame keeps an erecting supporting state of erecting the rear end of the stretcher bin body at the lowest layer, and the stretcher bin body at the lowest layer is in a forward and downward inclined state which is convenient for boarding and disembarking; when external force is applied to the rear handle to drive the rear rotating shaft and the locking frame to overturn downwards until the locking protrusion does not prevent the lower connecting shaft of the supporting guide frame from moving forwards along the guide groove, the lower end of the supporting guide frame can move forwards along the guide groove under the action of the weight of the lowest stretcher bin body and be gradually flattened, so that the rear end of the lowest stretcher bin body is flattened on the sliding seat again, and the weight of the lowest stretcher bin body is in a flattened state again.

10. A transfer car, comprising: install transfer car (buggy) automobile body in transfer car carriage, its characterized in that: a middle compartment door is arranged in the middle of the rear compartment wall of a transfer car compartment, a movable stretcher compartment as claimed in any one of claims 1-9 is arranged in the transfer car compartment, and a track of the movable stretcher compartment spans across an upper and lower car station or a transfer arrangement station in the transfer car compartment, so that each slide seat and the stretcher compartment in the movable stretcher compartment can translate along the track in the transfer car compartment to the middle of the transfer car compartment to the upper and lower car station corresponding to the middle compartment door or translate to two sides to the transfer arrangement station.