CN116492153A

CN116492153A - Floating stable ambulance bed and ambulance

Info

Publication number: CN116492153A
Application number: CN202310777576.8A
Authority: CN
Inventors: 吴永杰; 马丽霜; 王莹
Original assignee: AFFILIATED CHILDREN'S HOSPITAL OF CAPITAL INSTITUTE OF PEDIATRICS
Current assignee: AFFILIATED CHILDREN'S HOSPITAL OF CAPITAL INSTITUTE OF PEDIATRICS
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-07-28
Anticipated expiration: 2043-06-29
Also published as: CN116492153B

Abstract

The invention discloses a floating stable ambulance bed and an ambulance, and relates to the field of rescue equipment. According to the invention, the buckling clamping piece is arranged, when the bed board moves, the clamping block limits the swinging direction of the supporting rod, the thrust borne by the supporting rod acts on the supporting and guiding frame through the clamping block in the moving process of the bed board, so that the stability of the supporting rod is improved, when the supporting rod is folded, the guiding and guiding rod is pulled, the moving and pulling plate moves towards the direction close to the central line of the bed board, in the process, the straight tooth connecting plate drives the rotating shaft to drive the supporting and guiding frame to swing through stirring the shifting straight gear, the clamping block is separated from the supporting rod, so that the clamping block swings towards the direction close to the central line of the bed board, and the supporting rod loses the limit of the clamping block, so that the supporting rod can be folded.

Description

Floating stable ambulance bed and ambulance

Technical Field

The invention relates to the field of rescue equipment, in particular to a floating stable ambulance and an ambulance.

Background

The ambulance is a vehicle for rescuing patients, and consists of a vehicle body, ambulance equipment and an ambulance bed, when the ambulance reaches a designated position, the ambulance bed can be taken out of the ambulance and pushed to the side of the patients, and after the ambulance is connected with the patients, the patients are moved into the ambulance for rescuing by pushing the ambulance bed.

The folding leg structure in ambulance bottom that is equipped with is comparatively complicated, wherein supports folding leg through the bayonet lock, just so can lead to the gravity that the ambulance bed born directly to act on the bayonet lock, so very easily lead to equipment to receive the damage when using, influence the life of equipment, still can influence the stability of ambulance bed simultaneously.

Disclosure of Invention

The invention aims at: in order to solve the problem of poor stability of an ambulance equipped with the ambulance, a floating stable ambulance bed and an ambulance are provided.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a floating stable rescue bed, includes the bed board, the both ends of bed board are provided with the die-pin, the both sides of bed board are fixed with the side stay piece, the bottom of side stay piece is provided with the pulley, the top of side stay piece is fixed with the rail guard, the bottom of bed board is connected with the bracing piece through the pivot rotation, the bottom of bracing piece is provided with the universal wheel, the bottom of bed board is fixed with the fixedly even piece, and the fixedly even piece is located one side of bracing piece, the one end grafting of fixedly even piece has the draw-bar, and the one end of draw-bar runs through to the one end that fixedly even piece kept away from the bed board central line, the one end that draws the draw-bar to be close to the bed board central line is provided with the knot position fastener that links to each other with the bracing piece, the one end that the draw-bar kept away from the bed board central line is provided with the anticreep and catches the ware.

As still further aspects of the invention: the utility model provides a buckle position fastener, including rotating the position axle of rotating in the bed board bottom through the pivot, the position axle is located one side of bracing piece soon, the both ends of position axle are fixed with and prop and draw the frame, prop the top of drawing the frame and laminate mutually with the bottom of bed board, prop the bottom of drawing the frame and be provided with the screens piece, screens piece joint is in the outside of bracing piece, the outside of position axle is fixed with the position straight-tooth wheel of dialling, and the position straight-tooth wheel of dialling is located the support frame at position axle both ends soon in the middle of, the top grafting of bed board has and moves the pulling plate, moves the below that the pulling plate is located the position axle soon, move the one end that the pulling plate is close to the bracing piece and be fixed with the straight-tooth link plate, straight-tooth link plate meshes with dialling the straight-tooth wheel, move the one end top that the pulling plate kept away from the bracing piece is fixed with and draw the round pin, the outside of drawing the round pin has cup jointed the diagonal rail, the both sides of drawing the pull rod, the bottom of bed board is fixed with and links the position plate, the outside of position axle is provided with the correction unit that links to each other with the bracing piece.

As still further aspects of the invention: one end of the clamping block is of an arc-shaped structure, and the inner side of the clamping block is attached to the supporting rod.

As still further aspects of the invention: the correcting unit comprises an L-shaped locating plate fixed at the bottom of the bed plate, the L-shaped locating plate is located at two sides of the moving pulling plate, one side of the L-shaped locating plate is rotatably connected with a secondary rotating gear through a rotating shaft, the secondary rotating gear is located below the rotating shaft, one end of the secondary rotating gear is fixed with a shifting block, the shifting block is located at two sides of the supporting rod, a primary rotating gear is fixed at the outer side of the rotating shaft and located between the shifting straight gear and the supporting frame, and the primary rotating gear is meshed with the secondary rotating gear.

As still further aspects of the invention: the diameter of the secondary rotating gear is larger than that of the primary rotating gear.

As still further aspects of the invention: the anti-drop position-locking device comprises a position-locking post fixed at one end of a connecting block, wherein the position-locking post is positioned below a guide pull rod, a position-locking plate is fixed at the bottom of the bed plate, the central line of the position-locking plate is in an aligned state with the central line of the bed plate, a connecting plate is fixed at one end, close to the position-locking plate, of the guide pull rod, a reset spring connected with the position-locking plate is arranged at one side of the connecting plate, a rotating connecting disc is rotatably connected with one end, far away from the connecting plate, of the guide pull rod through a rotating shaft, a locking pin is fixed at the bottom of the rotating connecting disc, a first L-shaped clamping groove is formed at one side, far away from the connecting block, of the position-locking post, and a second L-shaped clamping groove is formed at the outer side of the position-locking post and positioned between the connecting block and the first L-shaped clamping groove.

As still further aspects of the invention: the width of the inner side of the first L-shaped clamping groove is equal to the diameter of the locking pin, and the distance between the first L-shaped clamping groove and the second L-shaped clamping groove is equal to the farthest distance of the movable pull rod.

The utility model provides an ambulance including unsteady stable ambulance bed, still includes the automobile body, U type card frame is installed to the inboard of automobile body, the inner wall both sides of U type card frame are fixed with and lead and link the piece, the one end that the bed board was kept away from to U type card frame is fixed with the screens frame, L type commentaries on classics piece has been cup jointed at the top of screens frame, the junction of L type commentaries on classics piece and screens frame has second torsion spring through the draw-in groove joint, the one end that L type commentaries on classics piece is close to U type card frame is fixed with one-way stopper, the one end that U type card frame was kept away from to L type commentaries on classics piece is fixed with the pressing plate, the one end rotation that the pressing plate was kept away from to L type commentaries on classics piece is connected with the jam baffle, the top and the junction joint of L type commentaries on classics piece one end have first torsion spring, the jam baffle is located one side that the one side support piece was kept away from the bed board of one side that the unilateral stopper was close to the screens frame.

As still further aspects of the invention: one end of the one-way limiting block is attached to one end of the locking baffle, and the transverse central axis of the locking baffle is on the same plane with the transverse central axis of the U-shaped clamping frame.

As still further aspects of the invention: the U-shaped clamping frame and the vehicle body are detachably mounted through bolts, and the vehicle body and the transverse central axis of the U-shaped clamping frame are positioned at the same horizontal position.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up the knot position fastener, the screens piece can carry out spacingly to the direction of oscillation of bracing piece when the bed board moves, the thrust that the bracing piece received just can be through screens piece action on propping the frame of leading in the in-process that the bed board moved, thereby increase the stability of bracing piece, when folding up the bracing piece, pull the pull rod, make move the pulling plate and move towards the direction that is close to the bed board central line, in this process straight tooth link plate makes the rotation position axle drive and prop the frame of leading and swing through stirring the straight gear of dialling, make screens piece and bracing piece separation, thereby make screens piece swing towards the direction that is close to the bed board central line, the bracing piece loses the spacingly of screens piece at this moment, so alright fold up the bracing piece;

2. by arranging the anti-drop position locker, the lock connecting pin is pulled before the pull rod is pulled, so that one end of the lock connecting pin, which is far away from the center of the locking position post, of the second L-shaped clamping groove is aligned, the pull rod drives the reset spring to stretch for a short distance through the connecting plate in the process, then the lock connecting pin is pulled to rotate relative to the pull rod, so that the lock connecting pin is separated from the second L-shaped clamping groove, the pull rod is pulled, the lock connecting pin is aligned with one end, which is far away from the center of the locking position post, of the first L-shaped clamping groove, then the lock connecting pin can be pulled to enable the lock connecting pin to be buckled into the inner side of the first L-shaped clamping groove, the lock connecting pin is loosened, and the reset spring can shrink for a certain distance, so that the lock connecting pin is buckled into one end, which is close to the center of the locking position post, of the lock connecting pin is pulled, so that the lock connecting pin is limited, the pull rod is prevented from moving relative to the fixed connecting block due to error in the moving process, the stability of the pull rod is improved, and the safety of the device is also used;

3. through setting up the correction unit, when the screens piece separates with the bracing piece, the main gear that rotates just drives under the rotation of revolve the position axle and follows the gear and rotate, so alright make the screens piece keep away from the one end of follow the gear and upwards swing, thereby prevent that the screens piece from causing the hindrance to the folding of bracing piece, when the screens piece rotates towards the bracing piece, the main gear that rotates just can drive under the effect of revolve the position axle and follow the gear and carry out the reverse rotation, so make the one end of screens piece swing downwards, make the one end of screens piece press the bracing piece and bed board junction, make the bracing piece be in the vertical state relative to the bed board, so can make the accurate knot of screens piece in the outside of bracing piece, this structure has abandoned traditional ambulance bed and has utilized the spring to reset the bracing piece, so prevent that the spring from influencing the accuracy that the bracing piece resets because of appearing elastic fatigue after long-time use;

4. through setting up parts such as U type card frame, screens frame, when moving into the automobile body with the bed board, first with the one end and the U type card frame alignment of bed board, afterwards make the bracing piece lose spacingly through the cooperation of knot position fastener with anticreep stopper, the pulling die-pin makes the bracing piece receive the hindrance and take place the swing relative to the bed board, so alright move the bed board to the inboard of U type card frame, the side stay piece detains in the outside of leading even piece this moment, make the one end of die-pin collide with the baffle of locking with the removal of bed board, thereby make the baffle of locking to swing towards the direction of keeping away from one-way stopper, when baffle of locking and die-pin separation, the baffle of locking just can recover under the effect of first torsion spring, so alright make the baffle of locking move the inboard of die-pin, thereby spacing to the bed board, can carry out spacing to the upper and lower swing of bed board through the cooperation of leading even piece and side stay piece, so as to make the stability that increase the bed board, prevent that the jolt of automobile body from taking place to move when moving, thereby increased the stability of placing for the patient's relief, the convenience has been provided for the personnel to the patient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic diagram showing the connection of the U-shaped clamping frame and the bed board;

FIG. 3 is a schematic diagram of a U-shaped card rack according to the present invention;

FIG. 4 is a schematic diagram showing the connection between the clamping frame and the L-shaped rotating block;

FIG. 5 is a schematic view of the ambulance cot according to the present invention;

FIG. 6 is a schematic view of the bottom structure of the ambulance cot of the present invention;

FIG. 7 is a schematic view of a latch according to the present invention;

FIG. 8 is a schematic diagram showing the connection of the positioning unit and the support rod according to the present invention;

fig. 9 is a schematic structural view of the anti-disengagement latch of the present invention.

In the figure: 1. a vehicle body; 2. a U-shaped clamping frame; 3. a bed board; 401. a supporting rod; 402. a guard rail; 403. a support rod; 404. a universal wheel; 405. a clamping frame; 406. a locking baffle; 407. pressing the plate; 408. an L-shaped rotating block; 409. a one-way limiting block; 410. a guide connection block; 411. a first torsion spring; 412. a second torsion spring; 413. a clamping guide groove; 414. a capture post; 415. side support blocks; 416. a pulley; 417. a clamping block; 418. a support and guide frame; 419. a return spring; 420. a pull rod; 421. a fixed connection block; 422. a rotary position shaft; 423. an L-shaped fixed plate; 424. a first L-shaped clamping groove; 425. a connecting plate; 426. moving the pulling plate; 427. an inclined guide rail; 428. a pull pin; 429. a straight tooth connecting plate; 430. a connecting plate; 431. a setting block; 432. a secondary rotation gear; 433. a main rotation gear; 434. a shifting spur gear; 435. a spin-on disc; 436. a locking pin; 437. and the second L-shaped clamping groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.

Referring to fig. 1-9, in the embodiment of the invention, a floating stable ambulance cot comprises a bed board 3, wherein support rods 401 are arranged at two ends of the bed board 3, side support blocks 415 are fixed at two sides of the bed board 3, pulleys 416 are arranged at the bottom ends of the side support blocks 415, a protective fence 402 is fixed at the top of the side support blocks 415, a support rod 403 is rotatably connected to the bottom of the bed board 3 through a rotating shaft, universal wheels 404 are arranged at the bottom of the support rod 403, a fixed connection block 421 is fixed at the bottom of the bed board 3, the fixed connection block 421 is positioned at one side of the support rod 403, a pull rod 420 is inserted at one end of the fixed connection block 421, one end of the pull rod 420 penetrates through one end of the fixed connection block 421 away from the central line of the bed board 3, a buckling clamp connected with the support rod 403 is arranged at one end of the pull rod 420 close to the central line of the bed board 3, and an anti-falling clamp is arranged at one end of the pull rod 420 away from the central line of the bed board 3.

In this embodiment, when moving the patient to the top of bed board 3, protect the patient on the bed board 3 through rail guard 402, afterwards make bed board 3 remove under the effect of bracing piece 403, universal wheel 404 through pulling trailing bar 401, support bracing piece 403 through the cooperation between knot position fastener and the anticreep stopper in this in-process, thereby increase the stability of bracing piece 403, thereby improved the stability that bed board 3 carried the patient removal, the cooperation between the position fastener and the anticreep stopper is just like the accessible is folded bracing piece 403.

Referring to fig. 1, 5, 6, 7 and 8 again, the buckling part comprises a rotating shaft 422 rotatably connected to the bottom of the bed board 3 through a rotating shaft, the rotating shaft 422 is located at one side of the supporting rod 403, two ends of the rotating shaft 422 are fixed with supporting frames 418, the top of the supporting frames 418 is attached to the bottom of the bed board 3, the bottom of the supporting frames 418 is provided with a clamping block 417, the clamping block 417 is clamped on the outer side of the supporting rod 403, a shifting spur gear 434 is fixed on the outer side of the rotating shaft 422, the shifting spur gear 434 is located in the middle of the supporting frames 418 at two ends of the rotating shaft 422, a shifting pulling plate 426 is inserted at the top of the bed board 3, the shifting pulling plate 426 is located below the rotating shaft 422, one end of the shifting pulling plate 426 close to the supporting rod 403 is fixed with a straight tooth connecting plate 429, the straight tooth connecting plate 429 is meshed with the shifting spur gear 434, one end top of the shifting pulling plate 426 far away from the supporting rod 403 is fixed with a pulling pin 428, the outer side of the pulling pin 428 is sleeved with an inclined guide rail 427, the inclined guide rails 427 are fixed on the two sides of the supporting rod 420, the bottom of the shifting plate 422 is fixed with the bottom of the supporting rod 403, and the shifting plate 422 is connected with a leveling unit 425.

In this embodiment, when the bed board 3 moves, the clamping block 417 limits the swinging direction of the support bar 403, so as to fix the support bar 403, in the moving process of the bed board 3, the thrust force borne by the support bar 403 acts on the supporting frame 418 through the clamping block 417, so as to increase the stability of the support bar 403, when the support bar 403 is folded, the guiding rod 420 is pulled, so that the inclined guide rail 427 moves in a direction far from the central line of the bed board 3, the inclined guide rail 427 guides the guiding pin 428, so that the moving pulling plate 426 moves in a direction near to the central line of the bed board 3, in this process, the spur gear 429 drives the supporting frame 418 to swing by stirring the position-pulling spur gear 434, so that the clamping block 417 is separated from the support bar 403, and the supporting bar 403 swings in a direction near to the central line of the bed board 3, at this time, the support bar 403 loses the limiting of the clamping block 417, so that the support bar 403 is folded.

Referring to fig. 5 and 8, one end of the clamping block 417 has an arc structure, and the inner side of the clamping block 417 is attached to the supporting rod 403.

In this embodiment, the clamping block 417 guides the support rod 403 through the arc end thereof when being buckled outside the support rod 403, so that the support rod 403 is accurately buckled inside the clamping block 417, thereby improving the accuracy of buckling the support rod 403 and the clamping block 417.

Referring to fig. 6, 7 and 8, the aligning unit includes an L-shaped fixing plate 423 fixed at the bottom of the bed board 3, the L-shaped fixing plate 423 is located at two sides of the moving plate 426, one side of the L-shaped fixing plate 423 is rotatably connected with a driven gear 432 through a rotating shaft, the driven gear 432 is located below the rotating shaft 422, one end of the driven gear 432 is fixed with an aligning block 431, the aligning block 431 is located at two sides of the supporting rod 403, a main rotating gear 433 is fixed at the outer side of the rotating shaft 422, the main rotating gear 433 is located between the aligning spur gear 434 and the supporting frame 418, and the main rotating gear 433 is meshed with the driven gear 432.

In this embodiment, when the positioning block 417 is separated from the support bar 403, the main rotating gear 433 drives the auxiliary rotating gear 432 to rotate under the rotation of the rotating shaft 422, so that the positioning block 431 can swing upwards away from one end of the auxiliary rotating gear 432, thereby preventing the positioning block 431 from obstructing the folding of the support bar 403, when the positioning block 417 rotates towards the support bar 403, the main rotating gear 433 drives the auxiliary rotating gear 432 to reversely rotate under the action of the rotating shaft 422, so that one end of the positioning block 431 swings downwards, so that one end of the positioning block 431 presses the joint of the support bar 403 and the bed board 3, and the support bar 403 is in a vertical state relative to the bed board 3, so that the positioning block 417 can be accurately buckled on the outer side of the support bar 403.

Referring to FIG. 8, the diameter of the secondary turning gear 432 is larger than that of the primary turning gear 433.

In the present embodiment, by setting the structure to make the main rotation gear 433 rotate the dial 431 by less than ninety degrees after ninety degrees of rotation, the dial 431 is prevented from colliding with the rotation shaft 422 during rotation, and the service life of the dial 431 is increased.

Referring to fig. 6, 7 and 9, the anti-disengaging latch comprises a latch post 414 fixed at one end of a fixed connecting block 421, the latch post 414 is located below a guide pull rod 420, a connecting plate 425 is fixed at the bottom of the bed plate 3, the center line of the connecting plate 425 is aligned with the center line of the bed plate 3, a connecting plate 430 is fixed at one end of the guide pull rod 420 close to the connecting plate 425, a reset spring 419 connected with the connecting plate 425 is arranged at one side of the connecting plate 430, a rotating connection disc 435 is rotatably connected at one end of the guide pull rod 420 far away from the connecting plate 430 through a rotating shaft, a latch 436 is fixed at the bottom of the rotating connection disc 435, a first L-shaped clamping groove 424 is formed at one side of the latch post 414 far away from the fixed connecting block 421, a second L-shaped clamping groove 437 is formed at the outer side of the latch post 414, and the second L-shaped clamping groove 437 is located between the fixed connecting block 421 and the first L-shaped clamping groove 424.

In this embodiment, before the pull rod 420 is pulled, the lock link pin 436 is pulled first to align the lock link pin 436 with one end of the second L-shaped clamping groove 437 away from the center of the locking post 414, in this process, the pull rod 420 drives the return spring 419 to stretch for a short distance through the connecting plate 430, then the lock link pin 436 is pulled to rotate relative to the pull rod 420, so that the lock link pin 436 is separated from the second L-shaped clamping groove 437, the pull rod 420 is pulled, the lock link pin 436 is aligned with one end of the first L-shaped clamping groove 424 away from the center of the locking post 414, then the lock link pin 436 is pulled to enable the lock link pin 436 to be buckled inside the first L-shaped clamping groove 424, the return spring 419 is loosened to recover a certain distance, in this process, the lock link pin 436 is buckled inside one end of the first L-shaped clamping groove 424 close to the center of the locking post 414, in this way, the pull rod 420 is limited, the pull rod 420 is prevented from moving relative to the pull rod 420 due to the fact that the pull rod 420 is blocked, and the safety of the pull rod 420 is prevented from moving is improved, and the safety is improved.

Referring to fig. 9, the width of the inner side of the first L-shaped slot 424 is equal to the diameter of the locking pin 436, and the distance between the first L-shaped slot 424 and the second L-shaped slot 437 is equal to the farthest distance that the pull rod 420 can move.

In this embodiment, the structure is provided to improve the stability of the second L-shaped locking groove 437 and the first L-shaped locking groove 424 for limiting the locking pin 436, and prevent the moving distance of the locking block 421 from being too long or too small to affect the turning angle of the locking block 417.

Referring to fig. 1-4, an ambulance with a floating stable ambulance bed further comprises a vehicle body 1, wherein a U-shaped clamping frame 2 is installed on the inner side of the vehicle body 1, two sides of the inner wall of the U-shaped clamping frame 2 are fixedly provided with locking baffle plates 410, one end of the U-shaped clamping frame 2 far away from the bed board 3 is fixedly provided with a clamping frame 405, the top of the clamping frame 405 is sleeved with an L-shaped rotating block 408, the connection part of the L-shaped rotating block 408 and the clamping frame 405 is clamped with a second torsion spring 412 through a clamping groove, one end of the L-shaped rotating block 408 close to the U-shaped clamping frame 2 is fixedly provided with a one-way limiting block 409, one end of the L-shaped rotating block 408 far away from the U-shaped clamping frame 2 is fixedly provided with a pressing plate 407, one end of the L-shaped rotating block 408 far away from the pressing plate 407 is rotatably connected with a locking baffle plate 406, the connection part of the top of the locking baffle plates 406 and one end of the L-shaped rotating block is clamped with a first torsion spring 411, the locking baffle plates 406 are positioned on one side of the one-way limiting block 409 close to the clamping frame 405, and one side of the side supporting block 415 far away from 3 is provided with a locking guide groove 413.

In this embodiment, when moving the bed board 3 into the car body 1, one end of the bed board 3 is aligned with the U-shaped clamping frame 2, then the supporting rod 403 loses limit through the cooperation of the buckling clamp and the anti-falling positioner, the supporting rod 401 is pulled to enable the supporting rod 403 to be blocked and swing relative to the bed board 3, so that the bed board 3 can be moved to the inner side of the U-shaped clamping frame 2, at the moment, the side supporting block 415 is buckled on the outer side of the guide connecting block 410, one end of the supporting rod 401 collides with the locking baffle 406 along with the movement of the bed board 3, so that the locking baffle 406 swings in a direction far away from the unidirectional limiting block 409, when the locking baffle 406 is separated from the supporting rod 401, the locking baffle 406 can be restored under the action of the first torsion spring 411, so that the locking baffle 406 moves to the inner side of the supporting rod 401, and limit the bed board 3, and simultaneously, the upper and lower swing of the bed board 3 can be limited through the cooperation of the guide connecting block 410 and the side supporting block 415, so that the stability of the bed board 3 is increased, the car body 1 is prevented from moving, the bed board 3 is prevented from being moved to the direction away from the unidirectional limiting block 409, and the bed board 3 is removed from the bed board 3, and the patient can be lifted from the bed board 3, and the bed board 3 is conveniently being removed from the bed board 3 by the patient.

Referring to fig. 3 and 4, one end of the unidirectional limiting block 409 is attached to one end of the locking baffle 406, and the transverse central axis of the locking baffle 406 is in the same plane with the transverse central axis of the U-shaped clamping frame 2.

In this embodiment, the unidirectional limiting block 409 is arranged to limit the locking baffle 406, so that the locking baffle 406 is prevented from swinging towards a direction away from the clamping frame 405, and the stability of the locking baffle 406 in limiting the bed plate 3 is improved.

Referring to fig. 1 and 3, the U-shaped clamping frame 2 and the vehicle body 1 are detachably mounted by bolts, and the transverse central axes of the vehicle body 1 and the U-shaped clamping frame 2 are positioned at the same horizontal position.

In this embodiment, the U-shaped clamping frame 2 is arranged in a state of being installed in the middle relative to the vehicle body 1 by the arrangement of the structure, so that the space reserved at two sides of the U-shaped clamping frame 2 is ensured to be equal, and convenience is provided for walking of staff.

The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides a unsteady stable ambulance cot, includes bed board (3), its characterized in that, the both ends of bed board (3) are provided with riding bar (401), the both sides of bed board (3) are fixed with side stay (415), the bottom of side stay (415) is provided with pulley (416), the top of side stay (415) is fixed with rail guard (402), the bottom of bed board (3) is connected with bracing piece (403) through the pivot rotation, the bottom of bracing piece (403) is provided with universal wheel (404), the bottom of bed board (3) is fixed with and links piece (421), and link piece (421) are located one side of bracing piece (403), link piece (421) one end grafting has draw bar (420), and draw the one end that link piece (420) runs through to link piece (421) and keep away from the one end of bed board (3) central line, draw the one end that draw bar (420) is close to bed board (3) central line is provided with the position fastener that links to each other with bracing piece (403), draw the one end that draw bar (420) is kept away from (3) central line is provided with the anti-disengaging device.

2. The floating stable ambulance cot according to claim 1, wherein the locking clamp comprises a rotating shaft (422) rotatably connected to the bottom of the couch board (3) through a rotating shaft, the rotating shaft (422) is positioned at one side of the support rod (403), two ends of the rotating shaft (422) are fixed with supporting frames (418), the top of the supporting frames (418) is attached to the bottom of the couch board (3), the bottom of the supporting frames (418) is provided with a clamping block (417), the clamping block (417) is clamped on the outer side of the support rod (403), a pulling straight gear (434) is fixed on the outer side of the rotating shaft (422), the pulling straight gear (434) is positioned in the middle of the supporting frames (418) at two ends of the rotating shaft (422), a moving pulling plate (426) is inserted at the top of the couch board (3), one end of the moving pulling plate (426) close to the support rod (403) is fixed with a tooth connecting plate (429), the tooth connecting plate (428) is meshed with the pulling straight gear (428) at two sides of the guide rail (427), and the pulling pin (427) is meshed with the pulling pins (427) at two sides of the guide rails (427), the bottom of the bed board (3) is fixedly provided with a connecting plate (425), and the outer side of the rotary position shaft (422) is provided with a position correcting unit connected with the supporting rod (403).

3. The floating stable ambulance cot according to claim 2, wherein one end of the clamping block (417) is in an arc structure, and the inner side of the clamping block (417) is attached to the supporting rod (403).

4. The floating stable ambulance cot according to claim 2, wherein the position correcting unit comprises an L-shaped fixed plate (423) fixed at the bottom of the couch board (3), the L-shaped fixed plate (423) is positioned at two sides of the moving and pulling plate (426), one side of the L-shaped fixed plate (423) is rotatably connected with a secondary rotating gear (432) through a rotating shaft, the secondary rotating gear (432) is positioned below the rotating shaft (422), one end of the secondary rotating gear (432) is fixedly provided with a shifting block (431), the shifting block (431) is positioned at two sides of the supporting rod (403), a main rotating gear (433) is fixed at the outer side of the rotating shaft (422), the main rotating gear (433) is positioned between the shifting straight gear (434) and the supporting frame (418), and the main rotating gear (433) is meshed with the secondary rotating gear (432).

5. A floating stable ambulance cot according to claim 4, wherein the diameter of said secondary turning gear (432) is larger than the diameter of the primary turning gear (433).

6. The floating stable ambulance cot according to claim 4, wherein the anti-drop locking device comprises a locking post (414) fixed at one end of the connecting block (421), the locking post (414) is located below the guiding pull rod (420), a connecting plate (425) is fixed at the bottom of the bedplate (3), the central line of the connecting plate (425) is aligned with the central line of the bedplate (3), a connecting plate (430) is fixed at one end of the guiding pull rod (420) close to the connecting plate (425), a reset spring (419) connected with the connecting plate (425) is arranged at one side of the connecting plate (430), a rotating connection disc (435) is connected at one end of the guiding pull rod (420) far away from the connecting plate (430) through a rotating shaft, a locking pin (436) is fixed at the bottom of the rotating connection disc (435), a first L-shaped clamping groove (424) is formed at one side of the locking post (414) far from the connecting block (421), a second L-shaped clamping groove (437) is formed at the outer side of the locking post (414), and the second L-shaped clamping groove (437) is located between the second L-shaped clamping plate (437).

7. The floating stable ambulance cot according to claim 6, wherein the width of the inner side of the first L-shaped detent (424) is equal to the diameter of the locking pin (436), and the distance between the first L-shaped detent (424) and the second L-shaped detent (437) is equal to the farthest distance that the pull rod (420) can move.

8. The utility model provides a floating stabilization formula ambulance, includes any one of claims 1-7 a floating stabilization formula ambulance, its characterized in that still includes automobile body (1), U type card frame (2) are installed to the inboard of automobile body (1), the inner wall both sides of U type card frame (2) are fixed with and lead and link piece (410), the one end that bed board (3) was kept away from to U type card frame (2) is fixed with screens frame (405), L type commentaries on classics piece (408) have been cup jointed at the top of screens frame (405), the junction of L type commentaries on classics piece (408) and screens frame (405) has second torsion spring (412) through the draw-in groove joint, the one end that L type commentaries on classics piece (408) is close to U type card frame (2) is fixed with one-way stopper (409), the one end that U type card frame (2) was kept away from to L type commentaries on classics piece (408) is fixed with pressing plate (407), the one end rotation that keeps away from pressing plate (407) is connected with screens plate (406), the one side of screens piece (405) is kept away from one side of a boss (411) is located one side of a stopper (411) that is close to one side of screens piece (405).

9. The floating stable ambulance according to claim 8, wherein one end of the unidirectional limiting block (409) is attached to one end of the locking baffle (406), and a transverse central axis of the locking baffle (406) is in the same plane with a transverse central axis of the U-shaped clamping frame (2).

10. The floating stable ambulance according to claim 9, wherein the U-shaped clamping frame (2) is detachably mounted with the vehicle body (1) through bolts, and the vehicle body (1) and the transverse central axis of the U-shaped clamping frame (2) are positioned at the same horizontal position.