CN112773611A

CN112773611A - Rescue stretcher vehicle is transported in multipurpose field operations open air

Info

Publication number: CN112773611A
Application number: CN202011612771.8A
Authority: CN
Inventors: 张建国; 郑汉; 文飞
Original assignee: Hotborn Medical Equipment Co ltd
Current assignee: Hotborn Medical Equipment Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-05-11

Abstract

The invention discloses a multipurpose field operation outdoor transfer 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 retractable supporting leg assemblies capable of rotating downwards to lift wheels of the stretcher vehicle. The invention discloses a multipurpose field operation outdoor transferring and rescuing stretcher vehicle, which belongs to the technical field of orthopedic medical auxiliary instruments, and can stably support a folding stretcher; the folding stretcher can also be retracted, and the stretcher cart is pushed to move to rapidly transport the patient on the folding stretcher, so that the folding stretcher is simple to operate, convenient to use and suitable for field emergency work; the folding stretcher has novel, light, portable, convenient and reliable structure and can be used for surgical operation when necessary.

Description

Rescue stretcher vehicle is transported in multipurpose field operations open air

Technical Field

The invention relates to the technology of orthopedic medical auxiliary instruments, in particular to a multipurpose field operation outdoor transferring and rescuing stretcher vehicle.

Background

In emergency rescue such as an emergency disaster (e.g., an earthquake, a fire, a flood disaster), timely rescue and nursing of wounded persons are very important, the number of current emergency events is large, the rescue task has higher and higher requirements on the functions of rescue instruments, and after a serious disaster such as a fire disaster, an earthquake, a field operation and the like occurs, the situations of a large number of casualties, insufficient rescue instruments, inadaptable functions and the like often occur, so that the wounded persons are not timely transported to be more injured, and therefore higher requirements are provided for transporting stretcher carriers. The operation is fast and convenient, the occupied volume is small, the weight is light, and the carrying is easy. In natural disasters and wars, the condition of a road surface is complex, the stretcher is very difficult to lift, if a wounded person is transferred from a mountain, the stretcher is more difficult, time-consuming and labor-consuming, and the existing stretcher for medical aid is mainly applied to indoor or flat road surfaces and is basically not used for outdoor stretchers.

The traditional 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 huge and heavy in volume and poor in folding and storage performance, so that the stretcher brings inconvenience to rescue workers to carry, and critical patients are 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 the function of backrest and is not provided with a stretcher vehicle to support the stretcher, so that the stretcher can not be directly used as a surgical operating table when necessary.

How to adopt simpler mechanical structure to realize the whole functions of ambulance stretcher, when lightening automobile body weight, adopt a shock attenuation design to let stretcher reduce jolting in unevenness's road surface, avoid the secondary scar, this is a difficult problem that faces at present, and the stretcher is used for transporting patient and wounded, and is steady one of the most important, when requiring to use simple functional strength, more should guarantee patient and wounded's comfort level.

Combine medical personnel's use custom and the problem that patient and wounded met in the time use, design a new field operations, outdoor rescue stretcher, this car should be able to realize folding, receive the leg automatically, practical function such as expansion locking has comfortable shock attenuation buffer system moreover in the design, lets wounded and patient comfortable a lot, has reduced the possibility of secondary injury.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art, and aims to provide a foldable multifunctional stretcher and stretcher vehicle combined multipurpose field outdoor transferring and rescuing stretcher vehicle.

In order to achieve the purpose, the invention provides a multipurpose field operation outdoor transferring and rescuing stretcher vehicle which comprises a stretcher vehicle and a detachable folding stretcher arranged on the stretcher vehicle, wherein the folding stretcher comprises two stretcher support rods and stretcher support cloth, two ends of the stretcher vehicle are provided with clamping seat assemblies for supporting the stretcher support rods, and two ends of the stretcher vehicle are provided with retractable support leg assemblies capable of rotating downwards to lift wheels of the stretcher vehicle.

Further, two the one end of stretcher bracing piece is equipped with two back of the body vaulting poles, be equipped with angle adjustment mechanism between back of the body vaulting pole and the stretcher bracing piece, two the stretcher bracing piece and two be equipped with the folding joint of side direction on the back of the body vaulting pole, two the tip of stretcher bracing piece is equipped with the seat of increaseing, it is equipped with first side upset joint to increase between seat and the stretcher bracing piece, is located two of same end increase between the seat and two all be equipped with folding beam assembly between the back of the body vaulting pole, be equipped with second side upset joint between folding beam assembly's both ends and two the back of the body vaulting poles.

Furthermore, the folding beam assembly comprises two connecting rods and connecting buckles hinged with the two connecting rods, and a horizontal hinged 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, first side direction upset joint is including locating the first upset seat that increases the seat top and locating the second upset seat on the stretcher bracing piece, first upset seat is articulated with second upset seat, the inboard on first upset seat top is equipped with first stopper, the inboard of second upset seat bottom be equipped with the second stopper that first stopper suited, the outside of first stopper is equipped with the chamfer structure of stepping down.

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

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

Furthermore, a hexagonal column capable of rotating is arranged on the ratchet wheel assembly, and a positioning hole matched with the hexagonal column is formed in the end portion of the back supporting rod in an axially extending mode.

As a further improvement, the lateral folding joint comprises a front folding joint and a rear folding joint which are hinged with each other, a guide groove is formed in the end portion of the front folding joint, a guide plate matched with the guide groove is arranged on the end portion of the rear folding joint in a protruding mode, sliding grooves are formed in two side faces of the guide plate, and a rotating pin matched with the sliding grooves is arranged on the front folding joint.

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, supporting legs are arranged on the rotating shafts, torsion springs are arranged between the rotating shafts and the supporting legs, and folding rods hinged with the bottom of the V-shaped frame are sleeved on cross rods at the bottoms of the supporting legs; the clamping seat assembly comprises a slide rail arranged at two ends of the top of the V-shaped frame and two slide seats which can be positioned at two ends of the slide rail, and clamping blocks are arranged on the outer sides of the slide seats.

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

Furthermore, 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 hinged on the outer sides of the suspension brackets, bearing seats are arranged on the outer sides of the two independent connecting rods and hinged with the two independent connecting rods, and a shock absorber hinged with one independent connecting rod is hinged on the suspension bracket; and the wheel is provided with a wheel shaft matched with the bearing seat, and the wheel shaft is provided with spring balls matched with the inner side surface of the bearing seat.

Advantageous effects

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

(1) according to the multipurpose field operation outdoor transferring rescue stretcher vehicle, the stretcher vehicle can stably support a folding stretcher; also can contract receiving and releasing the stabilizer blade subassembly, move the patient of transshipment folding stretcher fast through promoting the stretcher, easy operation, convenient to use is fit for open-air first aid work.

(2) The multipurpose field operation outdoor transferring and rescuing stretcher vehicle is novel, light, portable, convenient and reliable in structure, and can be used as a foldable stretcher for surgical operation when necessary;

(3) according to the multipurpose field outdoor transferring and rescuing stretcher vehicle, the stretcher supporting rods can be folded into 4 sections, the joints are connected in an occlusion mode, the back surfaces of the stretcher supporting rods are supported by the folding cross beam assembly, the stretcher vehicle can be integrally stored, the length can be shortened, the size is small, and the multipurpose field outdoor transferring and rescuing stretcher vehicle is suitable for being carried on the back of an individual soldier;

(4) this rescue stretcher is transported in multipurpose field operations open air has dismantled and assembled back folding function, but the back has self-modulation inclination, but the angle of adjustment difference satisfies the needs of surgery operation when necessary, backs and the stretcher combines, adds the function of backing up in the stretcher, can supply the rest to use as the leisure chair that backs at ordinary times, and is collapsible, can accomodate.

Drawings

FIG. 1 is a perspective view of the structure of the multi-purpose field outdoor transport rescue stretcher of the present invention;

fig. 2 is a structural perspective view of the folding stretcher of the invention;

fig. 3 is a perspective view of the structure of the folding stretcher of the invention with the back stay retracted;

fig. 4 is a front view of the structure of the folding stretcher of the invention;

fig. 5 is a structural plan view of the folding stretcher of the invention;

fig. 6 is a bottom view of the structure of the folding stretcher of the invention;

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

FIG. 8 is an enlarged view of the construction of the step-up base in connection with the folding beam assembly and the first lateral tilt joint of the present invention;

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

FIG. 10 is an enlarged view of the structure of the lateral folding joint of the present invention;

FIG. 11 is an enlarged schematic view of the construction of the front folding joint of the present invention;

FIG. 12 is an enlarged schematic view of the construction of the rear folding joint of the present invention;

fig. 13 is a front perspective view of the present invention stretcher;

fig. 14 is a rear perspective view of the present invention stretcher;

fig. 15 is a front view of the structure of the present invention stretcher;

fig. 16 is a top view of the structure of the present invention stretcher;

fig. 17 is a structural sectional view of the present invention stretcher;

fig. 18 is a side view of the structure of the present invention stretcher;

FIG. 19 is an enlarged front view of the structure of the independent suspension of the present invention;

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

FIG. 21 is an enlarged side view of the structure of the independent suspension of the present invention;

FIG. 22 is an enlarged cross-sectional view of the structure of the handlebar in accordance with the present invention;

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

In the figure: 1. a stretcher supporting rod; 2. a stretcher supporting cloth; 3. a back stay; 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. connecting a buckle; 12. a horizontal hinged seat; 14. a first overturning seat; 15. a second overturning seat; 16. a first stopper; 17. a second limiting block; 18. a yielding chamfer structure; 19. A third overturning seat; 20. a fourth overturning seat; 21. a pipe clamp fixing seat; 22. a ratchet assembly; 24. a front folding joint; 25. folding the joint afterwards; 26. a guide groove; 27. a guide plate; 28. a chute; 29. a rotating pin; 30. a handle; 31. a stretcher vehicle; 32. a holder assembly; 33. a wheel; 34. retracting and releasing the supporting leg assembly; 35. A V-shaped frame; 36. independently hanging; 37. a rotating shaft; 38. a support leg; 39. a torsion spring; 40. a folding bar; 41. a slide rail; 42. a slide base; 43. a clamping block; 44. adjusting the position of the screw rod; 45. a shock pad; 46. a support block; 47. a sleeve; 48. a first rotating lever; 49. a second rotating rod; 50. a guide bar; 51. rotating a hand wheel; 52. A clamping hole; 53. a pedal; 54. a suspension bracket; 55. an independent connecting rod; 56. a bearing seat; 57. a shock absorber; 58. a limiting rod; 59. a handlebar; 60. a square flat position; 61. a square sleeve; 62. a girder; 63. a diagonal brace; 64. and (4) square steel.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Embodiments of the invention are such that: as shown in fig. 1 to 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 support rods 1 and stretcher support cloth 2, two ends of the stretcher vehicle 31 are provided with holder assemblies 32 for supporting the stretcher support rods 1, and two ends of the stretcher vehicle 31 are provided with retractable leg assemblies 34 capable of rotating downwards to lift wheels 33 of the stretcher vehicle 31.

In the multipurpose field operation outdoor transferring and rescuing stretcher vehicle, the two retractable leg assemblies 34 can be retracted inwards to enable the wheels 33 of the stretcher vehicle 31 to land on the ground, then the folding stretcher is placed on the holder assembly 32 for positioning, and then the stretcher vehicle is pushed to walk, so that a patient can be carried; the retractable leg assembly 34 rotates outwards to contact with the ground, and the wheels 33 are lifted, so that the stretcher can be positioned, the folding stretcher is stably supported conveniently, and stable support is provided for the operation work of medical staff.

In this rescue stretcher vehicle is transported in multipurpose field operations open air, 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 of the body vaulting pole 3, be equipped with stretcher supporting cloth 2 on two back of the body vaulting pole 3, be equipped with angle adjustment mechanism 4 between back of the body vaulting pole 3 and the stretcher bracing piece 1, be equipped with the folding joint of side direction 5 on two stretcher bracing pieces 1 and two back of the body vaulting pole 3, the tip of two stretcher bracing pieces 1 is equipped with the seat of increaseing 6, it is equipped with first side direction upset joint 7 to increase between seat 6 and the stretcher bracing piece 1, it all is equipped with folding beam assembly 8 to be located between two seats of increaseing 6 of same end and between two back of the body vaulting poles 3, be equipped with second side direction upset joint 9. The stretcher supporting rod 1 is provided with an infusion support hole for inserting an infusion support, so that medical personnel can conveniently cure the wounded.

In the multipurpose field operation outdoor transferring and rescuing stretcher vehicle, the first lateral overturning joint 7 is arranged to enable the heightening seat 6 to rotate around the stretcher supporting rods 1, the folding cross beam assembly 8 is folded to enable the two stretcher supporting rods 1 to be closed together, the two stretcher supporting rods 1 can rotate around the two heightening seats 6 to opposite sides, the lateral folding joints 5 on the two stretcher supporting rods 1 rotate, the rotation direction of the lateral folding joints 5 is changed from the original horizontal rotation to the up-down rotation, and the two stretcher supporting rods 1 can be folded up in an up-down rotating manner; similarly, the two back stay bars 3 can also be folded; when in use, the two stretcher supporting rods 1 and the two back supporting rods 3 cannot be folded up and down due to the supporting action of the lateral folding joints 5, and can bear certain weight; when needs accomodate this stretcher, can fold two stretcher bracing pieces 1 and two back of the body vaulting pole 3 through folding crossbeam subassembly 8, first side upset joint 7, second side upset joint 9 and side direction folding joint 5.

This stretcher bracing piece 1 is carbon fiber's structure in the outdoor rescue stretcher of transporting of multipurpose field operations for when joint connection structure rigidity reinforcing, the stretcher is also lighter-weighted more.

In this rescue stretcher is transported in multipurpose field operations open air, the both sides of stretcher are furnished with two hasp formula bandages, ensure safety and stability when transporting the wounded, provide the profitable condition for the wounded stabilizes to settle and the injured position is fixed.

The multifunctional field operation outdoor transferring and rescuing stretcher vehicle has a multifunctional function, can reduce rescuing time, reduce the use limitation of the stretcher and improve the efficiency of rescuing wounded; the folding joints are in mortise and tenon joint structure occlusion connection in multiple sections, and the folding joint is turnover-type and folding, and has the advantages of good rigidity, ingenious structure, strong practicability and reliability; the joints of the support rods of the stretcher at the two sides of the stretcher are provided with infusion support jacks, so that the transfusion is convenient for the wounded to use; the oxford cloth material adopted by the stretcher is firm, wear-resistant and easy to clean; the carbon fiber material is adopted as the stretcher supporting rod, so that the weight is light, the rigidity and the strength are 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 to the two connecting rods 10, a clamping groove adapted to the upper and lower surfaces of the connecting rod 10 is formed in the connecting buckle 11, a clamping protrusion for clamping the connecting rod 10 is formed between the clamping groove and the connecting rod 10, and a horizontal hinged seat 12 is formed between the height increasing seat 6 and the connecting rod 10. The connecting buckle 11 and the horizontal hinged seat 12 can support and limit the two connecting rods 10 in the vertical direction.

In this embodiment, the first lateral turning joint 7 includes a first turning seat 14 disposed at the top of the heightening seat 6 and a second turning seat 15 disposed on the stretcher supporting rod 1, the first turning seat 14 is hinged to the second turning seat 15, a first limiting block 16 is disposed on the inner side of the top end of the first turning 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 turning seat 15, and a yielding chamfer structure 18 is disposed on the outer side of the first limiting block 16. The first limiting block 16 and the second limiting block 17 can limit the rotation angles of the first overturning seat 14 and the second overturning seat 15, and the arrangement of the abdicating chamfer structure 18 prevents the rotation from interfering and being blocked.

In this embodiment, the second flipping base 15 is provided with a pipe clamp structure connected to the stretcher supporting rod 1.

In this embodiment, the second lateral overturning joint 9 includes a third overturning seat 19 disposed on the back brace 3 and a fourth overturning seat 20 disposed on the horizontal hinged seat 12 and hinged to the third overturning seat 19, and the rotation directions of the third overturning seat 19 and the fourth overturning seat 20 are perpendicular to the rotation directions of the connecting buckle 11, the horizontal hinged 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 supporting rod 1, a ratchet assembly 22 connected to the back supporting rod 3 is disposed on the pipe clamp fixing seat 21, and the ratchet assembly 22 is a conventional ratchet mechanism.

In this embodiment, a rotatable hexagonal column is provided on the ratchet assembly 22, and a positioning hole adapted to the hexagonal column is provided on the end of the back-stay 3 extending axially.

In this embodiment, the lateral folding joint 5 includes a front folding joint 24 and a rear folding joint 25 hinged to each other, the end of the front folding joint 24 is provided with a guide slot 26, the end of the rear folding joint 25 is provided with a guide plate 27 protruding and matching with the guide slot 26, two side surfaces of the guide plate 27 are provided with sliding slots 28, and the front folding joint 24 is provided with a rotation pin 29 matching with the sliding slots 28. When the stretcher supporting rod 1 or the back supporting rod 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 supporting rod 1 and the back supporting rod 3 is coplanar with the central axis of the stretcher supporting rod 1, and the rotation plane formed by the relative rotation of the stretcher supporting rod 1 and the heightening seat 6 is coplanar with the cross section of the stretcher supporting rod 1.

In this embodiment, the stretcher 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 33 of the stretcher 31 are detachably arranged on the independent suspensions 36; the foot folding and unfolding assembly 34 comprises two rotating shafts 37 arranged at two ends of the top of the V-shaped frame 35, a foot 38 is arranged on each rotating shaft 37, a torsion spring 39 is arranged between each rotating shaft 37 and each foot 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 each foot 38; the clamping seat assembly 32 comprises a slide rail 41 arranged at two ends of the top of the V-shaped frame 35 and two slide seats 42 which can be adjusted and arranged at two ends of the slide rail 41, and a clamping block 43 is arranged at the outer side of each slide seat 42.

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

The retractable support leg assembly 34 can rotate inwards to abut against two side faces of the V-shaped frame 35 and then is fixed with the V-shaped frame 35, so that the whole frame is V-shaped, compact in structure, small in occupied space and convenient to carry; the retractable leg assembly 34 is rotated outwards by the leg 38 under the torsion force of the torsion spring 39 to keep the leg 38 vertical, the folding rod 40 supports the bottom of the leg 38 when being straightened, and the leg 38 is placed to rotate inwards to ensure the leg 38 to stably support the V-shaped frame 35; when the legs 38 are required to be folded, the folding rods 40 are folded to enable the two legs 38 to be close to the two sides of the V-shaped frame 35, and the first rotating rod 48 and the second rotating rod 49 of the folding rods 40 are folded, so that the legs 38 cannot be twisted outwards by the torsion force of the torsion springs 39, and the legs 38 can be positioned on the two sides of the V-shaped frame 35.

The positioning screw 44 rotates to drive the two sliding seats 42 to slide relatively or oppositely, and the distance between the two clamping blocks 43 is adjusted, so that the stretcher positioning device is matched with stretchers with different widths; the shock pad 45 has a buffering effect, and reduces secondary damage to a patient on the stretcher caused by stretcher movement.

The shock absorption 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. Adopt this shock attenuation design to let the stretcher reduce in unevenness's road surface and jolt, avoid the secondary scar, the design has comfortable shock attenuation buffer system, lets wounded and patient comfortable a lot of, has reduced the possibility of secondary injury.

The side of the first rotating rod 48 is provided with a bolt connected with the second rotating rod 49, the clamping block 43 is adapted to the outer side of the supporting block 46, and the bolt can further lock the first rotating rod 48 and the second rotating rod 49.

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

In this embodiment, be equipped with the direction logical groove with guide bar 50 looks adaptation in the slide rail 41, be equipped with the spring pearl on the lateral wall of guide bar 50, be equipped with a plurality of card holes 52 with spring pearl looks adaptation on the cell wall that leads to the groove, the spring pearl pops out and blocks hole 52 block, carries out the lock position to guide bar 50.

In this embodiment, a pedal 53 is disposed on the end of the folding rod 40 near the cross bar at the bottom of the leg 38, the pedal 53 is disposed on the sleeve 47, and the folding rod 40 can be folded by pressing down the pedal 53.

In the embodiment, the independent suspension 36 includes a suspension bracket 54 disposed on both sides of the V-shaped frame 35 and two independent links 55 disposed up and down and hinged on the outer side of the suspension bracket 54, a bearing seat 56 is disposed on the outer side of the two independent links 55, the bearing seat 56 is hinged with the two independent links 55, a shock absorber 57 hinged with one of the independent links 55 is hinged on the suspension bracket 54, and the shock absorber 57 is hinged with the lower independent link 55 through the upper independent link 55. The wheel 33 is provided with a wheel shaft matched with the bearing seat 56, and the wheel shaft is provided with a spring ball 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 a shock absorption effect, so that the stretcher is prevented from generating large jolts.

In this embodiment, the V-shaped frame 35 includes a girder 62 located at the bottom and diagonal rods 63 extending upward and obliquely and provided at both sides of the girder 62, the independent suspension 36 and the folding rod 40 are installed on the girder, the top of the diagonal rod is bent upward to form a vertical section, the holder assembly 32 and the retractable leg assembly 34 are installed on the vertical section of the diagonal rod, and the bottom of the diagonal rod is provided with a limiting rod 58 adapted to the bottom of the leg 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 slides and is equipped with handlebar 59, and the inner end narrowing of handlebar 59 is equipped with square flat position 60, is equipped with the square cover 61 with square flat position 60 looks adaptation in the square steel 64, is equipped with the extension spring 62 with the end connection of square flat position 60 in the square steel and draws spacing piece 63 with the extension spring 62 is connected. The handlebar 59 is L-shaped, the handlebar 59 can be pulled out outwards and then rotated 90 degrees, and then inserted inwards for a certain distance, so that the inner end square flat position 60 of the handlebar 59 is clamped with the square sleeve 61, the handlebar 59 is fixed, and the outer end of the handlebar 59 is positioned at a horizontal section, so that an operator can conveniently grab the handlebar 59 to push the stretcher vehicle to move; when the bicycle handlebar 59 is not used, the bicycle handlebar 59 can be pulled out and then reversely rotated by 90 degrees and then loosened, and under the action of the tensile force of the extension spring 62, the square flat position 60 at the inner end of the bicycle handlebar 59 is clamped with the square sleeve 61 and cannot be rotated.

The above is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that several variations and modifications can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. The utility model provides a rescue stretcher is transported in multipurpose field operations open air which characterized in that includes stretcher (31) and detachable locates the folding stretcher 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 the support holder subassembly (32) of stretcher bracing piece (1), the both ends of stretcher (31) are equipped with can rotate downwards will the wheel (33) of stretcher (31) rise receive and release stabilizer blade subassembly (34).

2. The multipurpose outdoor transportation and rescue stretcher vehicle for field operations as claimed in claim 1, wherein one end of the two stretcher supporting rods (1) is provided with two back supporting rods (3), an angle adjusting mechanism (4) is arranged between the back supporting rod (3) and the stretcher supporting rods (1), lateral folding joints (5) are arranged on the two stretcher supporting rods (1) and the two back supporting rods (3), a heightening seat (6) is arranged at the end part of the two stretcher supporting rods (1), a first lateral overturning joint (7) is arranged between the heightening seat (6) and the stretcher supporting rod (1), a folding beam component (8) is arranged between the two heightening seats (6) at the same end and between the two back supporting rods (3), and a second lateral overturning joint (9) is arranged between the two ends of the folding beam assembly (8) and the two back support rods (3).

3. A multipurpose field outdoor transfer rescue stretcher vehicle as claimed in claim 2, characterized in that the folding cross beam assembly (8) comprises two connecting rods (10) and connecting buckles (11) hinged with the two connecting rods (10), and a horizontal hinged seat (12) is arranged between the heightening seat (6) and the connecting rods (10).

4. The multipurpose outdoor transportation rescue stretcher vehicle for field operations as claimed in claim 3, wherein the first lateral turning joint (7) comprises a first turning seat (14) arranged at the top of the heightening seat (6) and a second turning seat (15) arranged on the stretcher supporting rod (1), the first turning seat (14) is hinged to the second turning seat (15), a first limit block (16) is arranged on the inner side of the top end of the first turning seat (14), a second limit block (17) adapted to the first limit block (16) is arranged on the inner side of the bottom end of the second turning seat (15), and a yielding chamfer structure (18) is arranged on the outer side of the first limit block (16).

5. A multipurpose field outdoor transfer rescue stretcher vehicle as claimed in claim 4 characterized in that the second lateral turning joint (9) comprises a third turning seat (19) on the back stay (3) and a fourth turning seat (20) on the horizontal hinged seat (12) hinged to the third turning seat (19).

6. A multipurpose outdoor transportation and rescue stretcher vehicle as claimed in any one of claims 2 to 5, 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 wheel component (22) connected with the back supporting rod (3) is arranged on the pipe clamp fixing seat (21).

7. A multipurpose field outdoor transfer rescue stretcher vehicle as claimed in claim 6, characterized in that the lateral folding joints (5) comprise a front folding joint (24) and a rear folding joint (25) which are hinged to each other, a guide groove (26) is arranged at the end of the front folding joint (24), a guide plate (27) matched with the guide groove (26) is arranged at the end of the rear folding joint (25) in a protruding manner, sliding grooves (28) are arranged on two side surfaces of the guide plate (27), and a rotating pin (29) matched with the sliding grooves (28) is arranged on the front folding joint (24).

8. The multipurpose field outdoor transportation rescue stretcher vehicle as claimed in claim 6, characterized in that the stretcher vehicle (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 of the stretcher vehicle (31) are detachably arranged on the independent suspensions (36); the folding leg assembly (34) comprises two rotating shafts (37) arranged at two ends of the top of the V-shaped frame (35), a leg (38) is arranged on each rotating shaft (37), a torsion spring (39) is arranged between each rotating shaft (37) and each leg (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 each leg (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 can be positioned at two ends of the sliding rail (41), and clamping blocks (43) are arranged on the outer sides of the sliding seats (42).

9. The multipurpose field outdoor transferring and rescuing stretcher vehicle as claimed in claim 8, wherein a positioning screw (44) is provided between the two sliding seats (42) for connecting the two sliding seats, and the top of the sliding seat (42) is provided with a shock pad (45) and a supporting block (46) provided above the shock pad (45); 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).

10. A multipurpose field outdoor transfer rescue stretcher vehicle as claimed in claim 8 or 9, characterized in that the independent suspension (36) comprises suspension brackets (54) arranged at both sides of the V-shaped frame (35) and two independent connecting rods (55) arranged up and down and hinged at the outer side of the suspension brackets (54), a bearing seat (56) is arranged at the outer side of the two independent connecting rods (55), the bearing seat (56) is hinged with the two independent connecting rods (55), and a shock absorber (57) hinged with one independent connecting rod (55) is hinged on the suspension bracket (54); the wheel (33) is provided with a wheel shaft matched with the bearing seat (56), and the wheel shaft is provided with spring balls matched with the inner side surface of the bearing seat (56).