CN219000920U - Multipurpose field outdoor transportation rescue stretcher vehicle - Google Patents

Abstract

The utility model discloses a multipurpose field outdoor transportation rescue stretcher vehicle, which comprises a stretcher vehicle and a detachable folding stretcher arranged on the stretcher vehicle, wherein the folding stretcher comprises two stretcher supporting rods and stretcher supporting cloth, two ends of the stretcher vehicle are provided with clamping seat assemblies for supporting the stretcher supporting rods, and two ends of the stretcher vehicle are provided with folding and unfolding support leg assemblies capable of downwards rotating to lift wheels of the stretcher vehicle. The utility model discloses a multipurpose field outdoor transportation rescue stretcher vehicle, which belongs to the technical field of orthopedics medical auxiliary devices, and can stably support a folding stretcher; the folding support leg assembly can be contracted, and the patient on the folding stretcher can be quickly transported by pushing the stretcher to move, so that the folding stretcher is simple to operate, convenient to use and suitable for field emergency work; the foldable stretcher has novel structure, light weight, portability, convenience, reliability and can be used for surgical operation when necessary.

Description

Multipurpose field outdoor transportation rescue stretcher vehicle

Technical Field

The utility model relates to the technical field of orthopedics medical auxiliary equipment, in particular to a multipurpose field outdoor transportation rescue stretcher vehicle.

Background

In emergency rescue such as sudden disasters (such as earthquakes, fires and floods), timely rescue and nursing of wounded persons are very important, current emergency events are more, the requirements of rescue tasks on rescue equipment are higher and higher, after serious disasters such as fires, earthquakes and field operations occur, the wounded persons are more frequently casualty, the rescue equipment is insufficient, the functions are not suitable, and the like, so that the wounded persons are more injured when being transported for a short time, and therefore, higher requirements are put forward on transporting stretcher carriers. The operation is rapid and convenient, the occupied volume is small, the weight is light, and the portable device is easy to carry. In natural disasters and war, road surface conditions are complex, the stretcher is very laborious to lift, if wounded persons need to be transferred from mountains, the stretcher is more difficult, time and labor are consumed, the existing medical rescue stretcher mainly uses indoor or flat road surfaces, and the stretcher vehicle used for the wild is basically not used.

The traditional existing stretcher is basically made of stainless steel or steel pipes, the structure is complex, the structure of a connecting joint is loose, but the stretcher is large and heavy in size and poor in shrink folding storage property, and brings great inconvenience to carrying of rescue workers, so that critical patients are often delayed to be sent to a hospital for treatment due to the fact that the stretcher is not in place; in addition, the existing stretcher does not have a backrest function and is not provided with a stretcher vehicle to support the stretcher, so that the stretcher can not be directly used as a surgical table when necessary.

The stretcher is used for conveying patients and wounded persons, is stable and is the most important point, and the comfort level of the patients and wounded persons should be ensured when the simple functional strength is required to be used.

The novel field operation and outdoor rescue stretcher vehicle is designed in combination with the use habit of medical staff and the problems encountered by patients and wounded in the time use process, has the practical functions of folding, automatically folding legs, unfolding and locking and the like, is designed to have a comfortable damping and buffering system, is comfortable for wounded and patients, and reduces the possibility of secondary injury.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior art, and aims to provide a multifunctional field operation outdoor transportation rescue stretcher vehicle which is foldable and convenient to store and is combined with a stretcher vehicle.

In order to achieve the above purpose, the utility model provides a multipurpose field outdoor transportation rescue stretcher vehicle, which comprises a stretcher vehicle and a detachable folding stretcher arranged on the stretcher vehicle, wherein the folding stretcher comprises two stretcher supporting rods and stretcher supporting cloth, two ends of the stretcher vehicle are provided with clamping seat assemblies for supporting the stretcher supporting rods, and two ends of the stretcher vehicle are provided with folding and unfolding support leg assemblies capable of rotating downwards to lift wheels of the stretcher vehicle.

Further, two one ends of the stretcher supporting rods are provided with two back supporting rods, an angle adjusting mechanism is arranged between the back supporting rods and the stretcher supporting rods, two side folding joints are arranged on the stretcher supporting rods and the two back supporting rods, the end parts of the stretcher supporting rods are provided with heightening seats, a first side overturning joint is arranged between the heightening seats and the stretcher supporting rods, two heightening seats and two back supporting rods which are positioned at the same end are provided with folding beam assemblies, and two ends of each folding beam assembly and two back supporting rods are provided with second side overturning joints.

Further, the folding beam assembly comprises two connecting rods and a connecting buckle hinged with the two connecting rods, and a horizontal hinging seat is arranged between the heightening seat and the connecting rods.

Furthermore, the connecting buckle is provided with a clamping groove which is matched with the upper surface and the lower surface of the connecting rod.

As a further improvement, the first lateral overturning joint comprises a first overturning seat arranged at the top of the heightening seat and a second overturning seat arranged on the stretcher supporting rod, the first overturning seat is hinged with the second overturning seat, a first limiting block is arranged on the inner side of the top end of the first overturning seat, a second limiting block which is adaptive to the first limiting block is arranged on the inner side of the bottom end of the second overturning seat, and a abdicating chamfer structure is arranged on the outer side of the first limiting block.

Further, the second lateral turning joint comprises a third turning seat arranged on the back support rod and a fourth turning seat arranged on the horizontal hinging seat and hinged with the third turning seat.

As a further improvement, the angle adjusting mechanism comprises a pipe clamp fixing seat connected with the stretcher supporting rod, and a ratchet assembly connected with the back supporting rod is arranged on the pipe clamp fixing seat.

Furthermore, the ratchet wheel component is provided with a hexagonal column which can rotate, and the end part of the back support rod is axially extended and provided with a positioning hole which is matched with the hexagonal column.

As a further improvement, the lateral folding joint comprises a front folding joint and a rear folding joint which are mutually hinged, the end part of the front folding joint is provided with a guide groove, the end part of the rear folding joint is provided with a guide plate matched with the guide groove in a protruding mode, two side faces of the guide plate are provided with sliding grooves, and the front folding joint is provided with a rotating pin matched with the sliding grooves.

As a further improvement, the stretcher comprises a V-shaped frame, two independent suspensions are arranged on two sides of the bottom of the V-shaped frame, and two wheels of the stretcher are detachably arranged on the independent suspensions; the folding leg assembly comprises two rotating shafts arranged at two ends of the top of the V-shaped frame, legs are arranged on the rotating shafts, torsion springs are arranged between the rotating shafts and the legs, and a cross rod at the bottom of each leg is sleeved with a folding rod hinged with the bottom of the V-shaped frame; the clamping seat assembly comprises a sliding rail and two sliding seats, wherein the sliding rails are arranged at the two ends of the top of the V-shaped frame, the two sliding seats are arranged at the two ends of the sliding rail in an adjustable position mode, and clamping blocks are arranged on the outer sides of the sliding seats.

Furthermore, a positioning screw rod for connecting the two sliding seats is arranged between the two sliding seats, and a shock pad and a supporting block arranged above the shock pad are arranged at the top of the sliding seat; the folding rod comprises a sleeve sleeved with a cross rod at the bottom of the supporting leg, a first rotating rod hinged with the V-shaped frame and a second rotating rod hinged with the first rotating rod, wherein the second rotating rod is arranged on the sleeve.

Further, the independent suspension comprises suspension brackets arranged on two sides of the V-shaped frame and two independent connecting rods which are arranged up and down and are hinged to the outer sides of the suspension brackets, bearing seats are arranged on the outer sides of the two independent connecting rods, the bearing seats are hinged to the two independent connecting rods, and a shock absorber hinged to one of the independent connecting rods is hinged to the suspension bracket; the wheel is provided with a wheel shaft matched with the bearing seat, and the wheel shaft is provided with spring beads matched with the inner side surface of the bearing seat.

Advantageous effects

Compared with the prior art, the multipurpose field outdoor transportation rescue stretcher vehicle has the following advantages:

(1) The multipurpose field outdoor transportation rescue stretcher vehicle can stably support the folding stretcher; the folding stretcher can also be contracted by the folding leg assemblies, and patients on the folding stretcher can be transported rapidly by pushing the stretcher to move, so that the folding stretcher is simple to operate, convenient to use and suitable for field emergency work.

(2) The multipurpose field outdoor transportation rescue stretcher vehicle has novel structure, light weight, portability, convenience, reliability and foldable stretcher which can be used for surgical operation when necessary;

(3) The multipurpose field outdoor transportation rescue stretcher vehicle has the advantages that the stretcher support rods can be folded into 4 sections, the joints are connected in a meshed mode, the back of the stretcher support rods are supported by the folding cross beam assembly, the stretcher support vehicle can be integrally stored, the length of the stretcher support vehicle can be shortened, the size of the stretcher support vehicle is smaller, and the stretcher support vehicle is suitable for being carried by a single soldier in a carrying mode;

(4) The multifunctional field outdoor transportation rescue stretcher vehicle has the functions of folding the detachable backrest, the backrest can be automatically adjusted in inclination angle, different angles can be adjusted, the requirement of surgical operation when necessary is met, the backrest is combined with the stretcher, the backrest function is added in the stretcher, and the multifunctional field outdoor transportation rescue stretcher vehicle can be used as a leisure backrest chair for rest at ordinary times, is foldable and can be stored.

Drawings

FIG. 1 is a structural perspective view of the multipurpose field outdoor transportation rescue stretcher vehicle of the present utility model;

FIG. 2 is a structural perspective view of the folding stretcher of the present utility model;

FIG. 3 is a perspective view of the structure of the folding stretcher of the present utility model with the back stay retracted;

FIG. 4 is a front elevational view of the folding stretcher of the present utility model;

FIG. 5 is a top plan view of the structure of the folding stretcher of the present utility model;

FIG. 6 is a bottom view of the structure of the folding stretcher of the present utility model;

FIG. 7 is an enlarged schematic view of the structure at A in FIG. 6;

FIG. 8 is an enlarged schematic view of the structure of the booster seat and folding beam assembly of the present utility model with the first side flip joint;

FIG. 9 is an enlarged schematic view of the structure at D in FIG. 4;

FIG. 10 is an enlarged schematic view of the lateral folding joint of the present utility model;

FIG. 11 is an enlarged schematic view of the front folding joint of the present utility model;

FIG. 12 is an enlarged schematic view of the structure of the rear folding joint of the present utility model;

FIG. 13 is a perspective view of the front structure of the stretcher of the present utility model;

FIG. 14 is a rear perspective view of the stretcher of the present utility model;

FIG. 15 is a front elevational view of the configuration of the stretcher of the present utility model;

FIG. 16 is a top plan view of the structure of the stretcher of the present utility model;

FIG. 17 is a cross-sectional view of the structure of the stretcher of the present utility model;

FIG. 18 is a side view of the structure of the stretcher of the present utility model;

FIG. 19 is an enlarged front view of an independently suspended structure of the present utility model;

FIG. 20 is an enlarged cross-sectional view of the structure of the independent suspension of the present utility model;

FIG. 21 is an enlarged side view of an independently suspended structure of the present utility model;

FIG. 22 is an enlarged cross-sectional view of the structure of the handlebar of the present utility model;

fig. 23 is an enlarged schematic view of the structure at E in fig. 17.

In the figure: 1. a stretcher support rod; 2. stretcher supporting cloth; 3. a back brace; 4. an angle adjusting mechanism; 5. a lateral folding joint; 6. a heightening seat; 7. a first lateral flip joint; 8. folding the beam assembly; 9. a second lateral flip joint; 10. a connecting rod; 11. a connecting buckle; 12. a horizontal hinging seat; 14. a first flip seat; 15. a second flip seat; 16. a first limiting block; 17. a second limiting block; 18. a relief chamfer structure; 19. a third flip seat; 20. a fourth flip seat; 21. pipe clamp fixing seat; 22. a ratchet assembly; 24. a front folding joint; 25. a rear folding joint; 26. a guide groove; 27. a guide plate; 28. a chute; 29. a rotation pin; 30. a handle; 31. stretcher vehicle; 32. a holder assembly; 33. a wheel; 34. retracting the support leg assembly; 35. a V-shaped frame; 36. independent suspension; 37. a rotating shaft; 38. a support leg; 39. a torsion spring; 40. a folding bar; 41. a slide rail; 42. a slide; 43. clamping blocks; 44. a positioning screw; 45. a shock pad; 46. a support block; 47. a sleeve; 48. a first rotating lever; 49. a second rotating rod; 50. a guide rod; 51. rotating a hand wheel; 52. a clamping hole; 53. a pedal; 54. a hanging bracket; 55. an independent connecting rod; 56. a bearing seat; 57. a damper; 58. a limit rod; 59. a handlebar; 60. square flat position; 61. a square sleeve; 62. a girder; 63. a diagonal brace; 64. square steel.

Detailed Description

The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.

Embodiments of the present utility model are as follows: as shown in fig. 1-23, a multipurpose field outdoor transportation rescue stretcher vehicle comprises a stretcher vehicle 31 and a detachable folding stretcher arranged on the stretcher vehicle 31, wherein the folding stretcher comprises two stretcher supporting rods 1 and stretcher supporting cloth 2, two ends of the stretcher vehicle 31 are provided with clamping seat assemblies 32 for supporting the stretcher supporting rods 1, and two ends of the stretcher vehicle 31 are provided with folding and unfolding support leg assemblies 34 capable of downwards rotating to lift wheels 33 of the stretcher vehicle 31.

In the multipurpose field outdoor transportation rescue stretcher, the two retractable leg assemblies 34 can retract inwards to enable the wheels 33 of the stretcher 31 to land, then the folding stretcher is placed on the clamping seat assembly 32 for positioning, and then the stretcher is pushed to walk, so that a patient can be transported; the folding leg assemblies 34 rotate outwards to contact the ground, and the wheels 33 are lifted, so that the stretcher can be positioned, the folding stretcher can be stably supported, and the stable support is provided for the operation work of medical staff.

In this outdoor transportation rescue stretcher of multipurpose field operations, the both ends of stretcher bracing piece 1 are equipped with handle 30, the one end of two stretcher bracing pieces 1 is equipped with two back-ups pole 3, be equipped with stretcher support cloth 2 on two back-ups pole 3, be equipped with angle adjustment mechanism 4 between back-up pole 3 and the stretcher bracing piece 1, be equipped with lateral folding joint 5 on two stretcher bracing pieces 1 and two back-ups pole 3, the tip of two stretcher bracing pieces 1 is equipped with increases seat 6, it is equipped with first lateral upset joint 7 to increase between seat 6 and the stretcher bracing piece 1, be located and all be equipped with folding beam assembly 8 between two back-ups pole 3 between two increasing seat 6 of same one end, be equipped with second lateral upset joint 9 between folding beam assembly 8's both ends and two back-ups pole 3. The stretcher support rod 1 is provided with an infusion support hole for inserting an infusion support, thereby being convenient for medical staff to rescue wounded.

In the multipurpose field outdoor transportation rescue stretcher vehicle, the heightening seat 6 can rotate around the stretcher support rods 1 by the arrangement of the first lateral overturning joint 7, the two stretcher support rods 1 are close together after the folding cross beam assembly 8 is folded, the two stretcher support rods 1 can rotate around the two heightening seats 6 to opposite sides, the lateral folding joint 5 on the two stretcher support rods 1 rotates in the direction, the rotation direction of the lateral folding joint 5 is changed from the original horizontal rotation to the up-down rotation, and the two stretcher support rods 1 can be folded up and down in the rotation direction; similarly, the two back support rods 3 can be folded; the two stretcher support rods 1 and the two back support rods 3 can not be folded up and down due to the supporting effect of the lateral folding joints 5 when in use, and can bear certain weight; when the stretcher is required to be stored, the two stretcher support rods 1 and the two back support rods 3 can be folded through the folding cross beam assembly 8, the first lateral overturning joint 7, the second lateral overturning joint 9 and the lateral folding joint 5.

The stretcher support rod 1 in the multipurpose field outdoor transportation rescue stretcher vehicle is of a carbon fiber structure, so that the rigidity of the joint connection structure is enhanced, and meanwhile, the stretcher is lighter.

In this outdoor transportation rescue stretcher of multipurpose field operations, the both sides of stretcher are furnished with two hasp formula bandages, ensure safety and stability when transporting the wounded, provide the advantage for wounded settling firmly and the wound position is fixed.

The multipurpose field outdoor transportation rescue stretcher vehicle has a multipurpose function, can reduce rescue time, reduce the use limitation of the stretcher and improve the efficiency of rescuing wounded persons; the multi-section is in meshed connection with the mortise and tenon structure of the folding joint, the folding joint is turned over, the rigidity is good, the structure is ingenious, and the practicability and the reliability are strong; the joint parts of the support rods of the stretcher are respectively provided with an infusion support jack, so that the infusion support jack is convenient for the wounded to use in infusion; the oxford material adopted by the stretcher is firm, wear-resistant and easy to clean; carbon fiber materials are adopted as the stretcher supporting rods, so that the weight is light, the rigidity strength is high, and the performance of the stretcher is ensured.

In this embodiment, the folding beam assembly 8 includes two connecting rods 10 and a connecting buckle 11 hinged with the two connecting rods 10, the connecting buckle 11 is provided with a clamping groove adapted to the upper and lower surfaces of the connecting rods 10, a clamping bump for clamping the connecting rods 10 is arranged between the clamping groove and the connecting rods 10, and a horizontal hinging seat 12 is arranged between the heightening seat 6 and the connecting rods 10. The connecting buckle 11 and the horizontal hinging seat 12 can support and limit the two connecting rods 10 in the vertical direction.

In this embodiment, the first lateral flip joint 7 includes a first flip seat 14 disposed at the top of the heightening seat 6 and a second flip seat 15 disposed on the stretcher supporting rod 1, the first flip seat 14 is hinged to the second flip seat 15, a first limiting block 16 is disposed on the inner side of the top end of the first flip seat 14, a second limiting block 17 adapted to the first limiting block 16 is disposed on the inner side of the bottom end of the second flip seat 15, and a relief chamfer structure 18 is disposed on the outer side of the first limiting block 16. The first and second stoppers 16 and 17 can limit the rotation angles of the first and second turning bases 14 and 15, and the setting of the chamfer structure 18 prevents the rotation from interfering and locking.

In this embodiment, the second turning seat 15 is provided with a pipe clamp structure connected to the stretcher support bar 1.

In this embodiment, the second lateral flip joint 9 includes a third flip seat 19 disposed on the back support 3 and a fourth flip seat 20 disposed on the horizontal hinge seat 12 and hinged to the third flip seat 19, and the rotation directions of the third flip seat 19 and the fourth flip seat 20 are perpendicular to the rotation directions of the connecting buckle 11, the horizontal hinge seat 12 and the connecting rod 10.

In this embodiment, the angle adjusting mechanism 4 includes a pipe clamp fixing seat 21 connected to the stretcher support bar 1, and a ratchet assembly 22 connected to the back support bar 3 is provided on the pipe clamp fixing seat 21, and the ratchet assembly 22 is a conventional ratchet mechanism.

In this embodiment, the ratchet assembly 22 is provided with a rotatable hexagonal column, and the end of the back support rod 3 is provided with a positioning hole adapted to the hexagonal column in an axial extending manner.

In this embodiment, the lateral folding joint 5 includes a front folding joint 24 and a rear folding joint 25 hinged to each other, a guide groove 26 is provided at an end of the front folding joint 24, a guide plate 27 adapted to the guide groove 26 is provided at a protruding end of the rear folding joint 25, sliding grooves 28 are provided on both sides of the guide plate 27, and a rotation pin 29 adapted to the sliding grooves 28 is provided on the front folding joint 24. When the stretcher support bar 1 or the back support bar 3 is folded, the rotating pin 29 can slide along the sliding groove 28, so that the locking is prevented.

In this embodiment, the rotation plane formed by the relative rotation of the stretcher support bar 1 and the back support bar 3 is coplanar with the central axis of the stretcher support bar 1, and the rotation plane formed by the relative rotation of the stretcher support bar 1 and the height increasing seat 6 is coplanar with the cross section of the stretcher support bar 1.

In the embodiment, the stretcher 31 comprises a V-shaped frame 35, two independent suspensions 36 are arranged at two sides of the bottom of the V-shaped frame 35, and two wheels 33 of the stretcher 31 are detachably arranged on the independent suspensions 36; the retractable support leg assembly 34 comprises two rotating shafts 37 arranged at two ends of the top of the V-shaped frame 35, support legs 38 are arranged on the rotating shafts 37, torsion springs 39 are arranged between the rotating shafts 37 and the support legs 38, and a cross bar at the bottom of the support legs 38 is sleeved with a folding rod 40 hinged with the bottom of the V-shaped frame 35; the clamping seat assembly 32 comprises a sliding rail 41 arranged at two ends of the top of the V-shaped frame 35 and two sliding seats 42 which are arranged at two ends of the sliding rail 41 in an adjustable position, and clamping blocks 43 are arranged on the outer sides of the sliding seats 42.

A positioning screw 44 for connecting the two sliding seats 42 is arranged between the two sliding seats 42, and a shock pad 45 and a supporting block 46 arranged above the shock pad 45 are arranged at the top of the sliding seat 42; the folding bar 40 comprises a sleeve 47 which is sleeved with a cross bar at the bottom of the support leg 38, a first rotating bar 48 hinged with the V-shaped frame 35 and a second rotating bar 49 which is arranged on the sleeve 47 and is hinged with the first rotating bar 48.

The retractable leg assemblies 34 can rotate inwards to be abutted against two side surfaces of the V-shaped frame 35 and then fixed with the V-shaped frame 35, so that the whole frame is in a V shape, the structure is compact, the occupied space is small, and the carrying is convenient; the retractable leg assembly 34 rotates outwards under the torsion of the torsion spring 39 through the leg 38, the leg 38 is kept vertical, the bottom of the leg 38 is supported when the folding rod 40 straightens, the leg 38 is placed to rotate inwards, and the stable support of the leg 38 to the V-shaped frame 35 is ensured; when the legs 38 need to be folded, the two legs 38 are close to both sides of the V-shaped frame 35 by folding the folding bar 40, and at this time, the first and second rotating bars 48 and 49 of the folding bar 40 are in a folded state, and the torsion of the torsion spring 39 cannot twist the legs 38 outward, so that the legs 38 can be positioned at both sides of the V-shaped frame 35.

The rotation of the positioning screw 44 can drive the two sliding seats 42 to slide relatively or reversely, and the distance between the two clamping blocks 43 is adjusted so as to be matched with stretchers with different widths; the shock pad 45 has a cushioning effect to reduce secondary injury to the patient on the stretcher caused by movement of the stretcher.

The shock pad 45 and the supporting block 46 form a rubber vibration isolator, and the rubber vibration isolator is arranged on the sliding seat 42 and connected with the stretcher to form soft connection, so that the shock absorption and buffering effects are achieved. The adoption of the damping design enables the stretcher to reduce jolt on uneven road surfaces, secondary injury is avoided, the design has a comfortable damping and buffering system, wounded persons and patients are comfortable, and the possibility of secondary injury is reduced.

The lateral part of first bull stick 48 is equipped with the bolt of being connected with second bull stick 49, and clamp splice 43 suits with the outside of supporting shoe 46, and the bolt can further carry out the pinning to first bull stick 48 and second bull stick 49.

The bottoms of the two sliding seats 42 are provided with guide rods 50 which are matched with the sliding rails 41, the two ends of the positioning screw 44 are respectively provided with positive external threads and negative external threads, and the guide rods 50 of the two sliding seats 42 are respectively provided with positive internal threads and negative internal threads which are matched with the two ends of the positioning screw 44; one end of the positioning screw 44 is provided with a turning hand wheel 51.

In this embodiment, a guiding through groove matched with the guiding rod 50 is provided in the sliding rail 41, a spring bead is provided on a side wall of the guiding rod 50, a plurality of clamping holes 52 matched with the spring bead are provided on a wall of the guiding through groove, and the spring bead ejects out to be clamped with the clamping holes 52 to lock the guiding rod 50.

In this embodiment, a pedal 53 is provided on the end of the folding bar 40 near the cross bar at the bottom of the leg 38, the pedal 53 is provided on the sleeve 47, and pressing down on the pedal 53 causes the folding bar 40 to fold.

In this embodiment, the independent suspension 36 includes suspension brackets 54 disposed on both sides of the V-shaped frame 35 and two independent links 55 disposed vertically and hinged on the outer sides of the suspension brackets 54, bearing seats 56 are disposed on the outer sides of the two independent links 55, the bearing seats 56 are hinged to the two independent links 55, a damper 57 hinged to one of the independent links 55 is hinged to the suspension brackets 54, and the damper 57 passes through the independent link 55 above and is hinged to the independent link 55 below. The wheel 33 is provided with a wheel axle which is matched with the bearing seat 56, and the wheel axle is provided with spring beads which are matched with the inner side surface of the bearing seat 56. The V-shaped frame 35 can swing up and down relative to the wheels 33, and the shock absorber 57 and the independent connecting rod 55 have shock absorbing effect, so that the stretcher is prevented from being jolted greatly.

In this embodiment, the V-shaped frame 35 includes a girder 62 at the bottom and inclined struts 63 extending obliquely upward and provided at both sides of the girder 62, the independent suspension 36 and the folding bar 40 are mounted on the girder, the top of the inclined struts is bent upward and provided with a vertical section, the clamping seat assembly 32 and the retractable leg assembly 34 are mounted on the vertical section of the inclined struts, and the bottom of the inclined struts is provided with a limit bar 58 corresponding to the bottom of the legs 38 of the retractable leg assembly 34.

The top of diagonal brace is equipped with the square steel that the level was arranged, and the square steel is slided and is equipped with handlebar 59, and the narrowing of the inner end of handlebar 59 is equipped with square flat 60, is equipped with in the square steel 64 with square flat 60 looks adaptation square cover 61, be equipped with in the square steel with square flat 60 end connection's extension spring 62 and with extension spring 62 connection draw spacing piece 63. The handle 59 is L-shaped, the handle 59 can be pulled out outwards and then rotated for 90 degrees, and then a certain distance is inserted inwards to enable the square flat 60 at the inner end of the handle 59 to be clamped with the square sleeve 61, so that the handle 59 is fixed, and at the moment, the outer end of the handle 59 is positioned at a horizontal section, so that an operator can conveniently grasp the handle 59 to push the stretcher to move; when not in use, the handle 59 can be pulled outwards and then reversely rotated for 90 degrees, then the handle is released, and the square flat 60 at the inner end of the handle 59 is clamped with the square sleeve 61 under the action of the tension spring 62, so that the handle can not rotate.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims (9)

1. The utility model provides a multi-purpose field operations outdoor transportation rescue stretcher, its characterized in that includes stretcher (31) and detachable folding stretcher of locating on stretcher (31), folding stretcher includes two stretcher bracing pieces (1) and stretcher supporting cloth (2), the both ends of stretcher (31) are equipped with support stretcher bracing piece (1) holder subassembly (32), the both ends of stretcher (31) are equipped with can rotate downwards with receive and release stabilizer blade subassembly (34) that wheel (33) of stretcher (31) rise; two one end of stretcher bracing piece (1) is equipped with two back-up levers (3), back-up lever (3) with be equipped with angle adjustment mechanism (4) between stretcher bracing piece (1), two be equipped with side direction folding joint (5) on stretcher bracing piece (1) and two the tip of stretcher bracing piece (1) is equipped with increases seat (6), increase and be equipped with first side direction upset joint (7) between seat (6) and the stretcher bracing piece (1), be located two of same one end increase between seat (6) and two all be equipped with folding beam assembly (8) between back-up lever (3), the both ends of folding beam assembly (8) and two be equipped with second side direction upset joint (9) between back-up lever (3).

2. The multipurpose field outdoor transportation rescue stretcher vehicle according to claim 1, characterized in that the folding beam assembly (8) comprises two connecting rods (10) and a connecting buckle (11) hinged with the two connecting rods (10), and a horizontal hinging seat (12) is arranged between the heightening seat (6) and the connecting rods (10).

3. The outdoor transportation rescue stretcher vehicle of claim 2, wherein the first lateral overturning joint (7) comprises a first overturning seat (14) arranged at the top of the heightening seat (6) and a second overturning seat (15) arranged on the stretcher supporting rod (1), the first overturning seat (14) is hinged with the second overturning seat (15), a first limiting block (16) is arranged on the inner side of the top end of the first overturning seat (14), a second limiting block (17) which is adaptive to the first limiting block (16) is arranged on the inner side of the bottom end of the second overturning seat (15), and a yielding chamfer structure (18) is arranged on the outer side of the first limiting block (16).

4. A multi-purpose field outdoor transportation rescue stretcher vehicle as claimed in claim 3, characterized in that the second lateral tilting joint (9) comprises a third tilting seat (19) arranged on the back stay (3) and a fourth tilting seat (20) hinged with the third tilting seat (19) and arranged on the horizontal hinging seat (12).

5. A multi-purpose field outdoor transportation rescue stretcher vehicle according to any one of claims 1 to 4, characterized in that the angle adjusting mechanism (4) comprises a pipe clamp fixing seat (21) connected with the stretcher supporting rod (1), and a ratchet assembly (22) connected with the back supporting rod (3) is arranged on the pipe clamp fixing seat (21).

6. The outdoor transportation rescue stretcher vehicle of claim 5, wherein the lateral folding joint (5) comprises a front folding joint (24) and a rear folding joint (25) which are hinged with each other, a guide groove (26) is formed in the end portion of the front folding joint (24), a guide plate (27) matched with the guide groove (26) is arranged on the end portion of the rear folding joint (25) in a protruding mode, sliding grooves (28) are formed in two side faces of the guide plate (27), and a rotating pin (29) matched with the sliding grooves (28) is arranged on the front folding joint (24).

7. The multipurpose field outdoor transportation rescue stretcher vehicle according to claim 5, characterized in that the stretcher vehicle (31) comprises a V-shaped frame (35), two independent suspensions (36) are arranged on two sides of the bottom of the V-shaped frame (35), and two wheels of the stretcher vehicle (31) are detachably arranged on the independent suspensions (36); the retractable support leg assembly (34) comprises two rotating shafts (37) arranged at two ends of the top of the V-shaped frame (35), support legs (38) are arranged on the rotating shafts (37), torsion springs (39) are arranged between the rotating shafts (37) and the support legs (38), and a folding rod (40) hinged with the bottom of the V-shaped frame (35) is sleeved on a cross rod at the bottom of the support legs (38); the clamping seat assembly (32) comprises a sliding rail (41) arranged at two ends of the top of the V-shaped frame (35) and two sliding seats (42) which are arranged at two ends of the sliding rail (41) in an adjustable position, and clamping blocks (43) are arranged on the outer sides of the sliding seats (42).

8. The multipurpose field outdoor transportation rescue stretcher vehicle according to claim 7, characterized in that a positioning screw (44) for connecting the two sliding seats (42) is arranged between the two sliding seats (42), and a shock pad (45) and a supporting block (46) arranged above the shock pad (45) are arranged at the top of the sliding seat (42); the folding rod (40) comprises a sleeve (47) sleeved with a cross rod at the bottom of the supporting leg (38), a first rotating rod (48) hinged with the V-shaped frame (35) and a second rotating rod (49) hinged with the first rotating rod (48) and arranged on the sleeve (47).

9. The multipurpose field outdoor transportation rescue stretcher vehicle according to claim 8, characterized in that the independent suspension (36) comprises suspension brackets (54) arranged on two sides of the V-shaped frame (35) and two independent connecting rods (55) which are arranged up and down and are hinged on the outer sides of the suspension brackets (54), bearing seats (56) are arranged on the outer sides of the two independent connecting rods (55), the bearing seats (56) are hinged with the two independent connecting rods (55), and shock absorbers (57) hinged with one independent connecting rod (55) are hinged on the suspension brackets (54); the wheel (33) is provided with a wheel shaft matched with the bearing seat (56), and the wheel shaft is provided with spring beads matched with the inner side surface of the bearing seat (56).

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