Double-X-shaped lifting stretcher

Abstract

The utility model relates to a double-X type lifting stretcher which comprises a base (1), a stretcher support (2) is arranged above the base (1), the base (1) and the stretcher support (2) are connected through a lifting assembly (3), and a stretcher bed body (4) is arranged on the stretcher support (2). The lifting assembly (3) comprises an upper X-shaped support (31) and a lower X-shaped support (32), and an oil cylinder (33) is connected between the upper X-shaped support (31) and the lower X-shaped support (32). According to the double-X-shaped lifting stretcher, the oil cylinder is connected between the upper X-shaped support and the lower X-shaped support, the inclination angle of the oil cylinder in the lifting process is small, the transverse stress of the oil cylinder is reduced, the service life of the oil cylinder is prolonged, the lifting response speed is high, and the lifting efficiency of the stretcher is improved.

Description

Technical Field

[0001] The utility model relates to a double X-shaped lifting stretcher, belonging to the technical field of medical equipment. Background Art

[0002] When a patient is injured, he needs to be carried to an ambulance on a stretcher for timely treatment. With the development of medical care, people have higher and higher requirements for stretchers. The stretcher should not only transport the patient to the ambulance quickly and conveniently, but also ensure that the patient will not be subjected to greater vibration during transportation, so as to avoid greater pain.

[0003] The structure of the currently used stretcher trolley includes: a base with rollers at the bottom, a stretcher frame is arranged above the base, an X-shaped frame formed by two oblique supports hinged in an X shape is arranged between the base and the stretcher frame, the front end of the upper part of the X-shaped frame is hinged to the front part of the stretcher frame and cannot slide forward and backward in the stretcher frame, the rear end of the upper part of the X-shaped frame is hinged to the stretcher frame and can slide forward and backward in the stretcher frame, the front end of the lower part of the X-shaped frame is hinged to the base and cannot slide forward and backward in the base, the rear end of the lower part of the X-shaped frame is hinged to the base and can slide forward and backward in the base, an oil cylinder controlled by a controller is connected between the base and the lifting frame, and a bed for the patient to lie on is arranged on the top of the stretcher frame.

[0004] The above-mentioned stretcher trolley has the following disadvantages: in order to ensure that the stretcher frame has a sufficient height from the ground, the length of the two diagonal braces of the X-shaped frame needs to be very long, resulting in a long base for supporting the X-shaped frame. The length of the base must be greater than the length of the diagonal braces when the X-shaped frame is in a folded state. Since the length of the base is often greater than the width of the elevator, the stretcher trolley is large in size and cannot enter a narrow space such as an elevator, making it inconvenient to turn the injured person in time.

[0005] The utility model patent with application number 201921268103.0 discloses an electric lifting stretcher vehicle, comprising a base with rollers at the bottom, a stretcher frame above the base, a lifting assembly formed by two upper and lower X-shaped frames between the base and the stretcher frame, a buttocks board is horizontally fixed on the stretcher frame, armrests are respectively provided on the left and right sides of the buttocks board, and a backrest board and a leg board are respectively provided on the front and back sides of the buttocks board, the rear end of the backrest board is hinged to the stretcher frame, the backrest board is driven to tilt up or lay flat by the backrest board driving assembly, the front end of the leg board is hinged to the stretcher frame, and the leg board is driven to flip down or lay flat by the leg board driving assembly, when the backrest board, the buttocks board and the leg board are all horizontally arranged on the stretcher frame, the backrest board, the buttocks board and the leg board together form a lying frame for the patient to lie down, and when the backrest board is tilted up and the leg board is flipped down, the backrest board, the buttocks board and the leg board together form a seat for the patient to sit on. The stretcher trolley adopts a lifting frame structure formed by two upper and lower X-shaped frames to adjust the height of the stretcher frame from the ground. Under the condition that the stretcher frame has a sufficient height from the ground, the length of the lifting frame after folding is short, so that the length of the base supporting the lifting frame is also shortened accordingly. The shortened base length is much smaller than the width of the elevator, which greatly reduces the footprint of the stretcher trolley, allowing the stretcher trolley to enter a narrow space such as an elevator, and facilitates the timely rotation of the injured. However, the stretcher trolley still has the following problems:

[0006] The oil cylinder is connected between the base and the upper X-shaped bracket. The oil cylinder has a large inclination angle during lifting and lowering, and the lateral force on the oil cylinder is large, which can easily affect the service life of the oil cylinder. In addition, the lifting response speed is slow, which affects the lifting efficiency of the stretcher.

[0007] The stretcher bed (including the backrest board, hip board and leg board) is fixedly connected to the stretcher frame and cannot be replaced, and cannot be used in different rescue situations;

[0008] The bottom of the stretcher usually adopts a set of fixed wheels and a set of universal wheels, which makes the stretcher unable to rotate flexibly in a small range (such as in an elevator), affecting the use range of the stretcher. Summary of the invention

[0009] The technical problem to be solved by the utility model is to provide a double X-shaped lifting stretcher in view of the above-mentioned prior art, wherein the oil cylinder is connected and arranged between the upper X-shaped bracket and the lower X-shaped bracket. The inclination angle of the oil cylinder is small during the lifting process, which reduces the lateral force of the oil cylinder, prolongs the service life of the oil cylinder, and has a fast lifting response speed, thereby improving the lifting efficiency of the stretcher.

[0010] The technical solution adopted by the utility model to solve the above-mentioned problem is: a double X-shaped lifting stretcher, which includes a base, a stretcher bracket is arranged above the base, the base and the stretcher bracket are connected by a lifting component, and a stretcher bed is arranged on the stretcher bracket; the lifting component includes an upper X-shaped bracket and a lower X-shaped bracket, and an oil cylinder is connected and arranged between the upper X-shaped bracket and the lower X-shaped bracket.

[0011] Optionally, the lower front end of the upper X-shaped bracket is hinged to the upper front end of the lower X-shaped bracket through a first hinge axis, the lower rear end of the upper X-shaped bracket is hinged to the upper rear end of the lower X-shaped bracket through a second hinge axis, the upper front end of the upper X-shaped bracket is hinged to the stretcher bracket through a third hinge axis and cannot slide back and forth in the stretcher bracket, the upper rear end of the upper X-shaped bracket is hinged to the stretcher bracket through a fourth hinge axis and can slide back and forth in the stretcher bracket, the lower front end of the lower X-shaped bracket is hinged to the base through a fifth hinge axis and cannot slide back and forth in the base, the lower rear end of the lower X-shaped bracket is hinged to the base through a sixth hinge axis and can slide back and forth in the base, a connecting frame is provided on the upper front side of the lower X-shaped bracket, a support shaft is provided on the connecting frame, and the oil cylinder is connected between the support shaft and the fourth hinge axis.

[0012] Optionally, electromagnetic locks are provided on the left and right sides of the stretcher bracket, and locking plate racks are provided on the left and right sides of the stretcher bed, and the electromagnetic locks cooperate with the locking plate racks.

[0013] Optionally, two electromagnetic locks are provided on the left and right sides of the stretcher support, and the two electromagnetic locks are arranged front to back, and the number and positions of the lock plate racks correspond to the number and positions of the electromagnetic locks.

[0014] Optionally, a group of front rollers and a group of rear rollers are respectively arranged on the front and rear sides of the bottom of the base, and the rear rollers are universal wheels. An unlocking mechanism is arranged on the base, and the unlocking mechanism is connected to the front rollers. The front rollers can be converted between fixed wheels and universal wheels through the unlocking mechanism.

[0015] Optionally, the unlocking mechanism includes a fixed seat and a latch seat, the fixed seat is arranged on the rear side of the base, the latch seat is arranged behind the front roller, a wire roller shaft is hingedly arranged on the fixed seat through a pin shaft, a pedal is arranged at the bottom of the wire roller shaft, a latch is arranged in the latch seat, and the latch and the wire roller shaft are connected by a wire rope.

[0016] Optionally, an outer sleeve is provided outside the steel wire rope, and the outer sleeve is arranged along the outer frame of the base.

[0017] Optionally, a latch slot is provided on the rear side of the front roller, and the latch pin cooperates with the latch slot.

[0018] Optionally, a latch resetting element is provided in the latch seat.

[0019] Optionally, a charging plug is provided at the bottom of the fixing base.

[0020] Compared with the prior art, the advantages of the utility model are:

[0021] The utility model provides an oil cylinder connected between the upper X-shaped bracket and the lower X-shaped bracket. The oil cylinder has a small inclination angle during lifting, which reduces the lateral force on the oil cylinder, prolongs the service life of the oil cylinder, and has a fast lifting response speed, thereby improving the lifting efficiency of the stretcher.

[0022] The stretcher bed of the utility model is connected with the stretcher frame by an electromagnetic lock. When necessary, the electromagnetic lock can be unlocked to separate the stretcher bed from the stretcher frame, so that the stretcher bed can be used or replaced separately and can be used in different rescue occasions.

[0023] The bottom of the stretcher of the utility model is provided with a group of fixed wheels and a group of universal wheels, and the fixed wheels can be transformed into universal wheels through an unlocking mechanism, so that the stretcher can be flexibly rotated in a small range, thereby expanding the use range of the stretcher. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The utility model is a three-dimensional structural schematic diagram of a double X-shaped lifting stretcher.

[0025] Figure 2 The utility model is a schematic diagram of a double X-shaped lifting stretcher in the highest state.

[0026] Figure 3 The utility model is a schematic diagram of a double X-shaped lifting stretcher in the lowest state.

[0027] Figure 4 The utility model is a schematic diagram of a double X-shaped lifting stretcher entering an elevator state.

[0028] Figure 5 for Figure 1 Schematic diagram of the unlocking mechanism.

[0029] Figure 6 for Figure 1 Schematic diagram of the middle backrest panel in the lifted state.

[0030] Figure 7 for Figure 1 Schematic diagram of the mid-leg panel in the folded state.

[0031] in:

[0032] Base 1

[0033] Stretcher support 2

[0034] Lifting assembly 3

[0035] Upper X-shaped bracket 31

[0036] Lower X-shaped bracket 32

[0037] Cylinder 33

[0038] First articulated axis 34

[0039] Second articulated axis 35

[0040] The third articulated axis 36

[0041] Fourth hinge axis 37

[0042] Fifth articulated axis 38

[0043] Sixth articulated axis 39

[0044] Connecting frame 310

[0045] Support shaft 311

[0046] Stretcher bed 4

[0047] Bed frame 41

[0048] Hip plate 42

[0049] Backrest board 43

[0050] Leg plate 44

[0051] Gas spring 45

[0052] Telescopic cylinder 46

[0053] Electromagnetic lock 5

[0054] Lock plate rack 6

[0055] Front roller 7

[0056] Rear roller 8

[0057] Unlocking mechanism 9

[0058] Fixed seat 91

[0059] Latch seat 92

[0060] Pin 93

[0061] Wire roller 94

[0062] Pedal 95

[0063] Latch 96

[0064] Wire Rope 97

[0065] Outer sleeve 98

[0066] Latch slot 10

[0067] Charging plug 11

[0068] Front telescopic rod 12

[0069] Rear telescopic rod 13

[0070] Handrail tube 14. DETAILED DESCRIPTION

[0071] like Figure 1 to Figure 7 As shown, a double X-shaped lifting stretcher in this embodiment includes a base 1, a stretcher frame 2 is arranged above the base 1, the base 1 and the stretcher frame 2 are connected through a lifting assembly 3, and a stretcher bed 4 is arranged on the stretcher frame 2; the lifting assembly 3 includes an upper X-shaped frame 31 and a lower X-shaped frame 32, and an oil cylinder 33 is connected between the upper X-shaped frame 31 and the lower X-shaped frame 32;

[0072] The lower front end of the upper X-shaped bracket 31 is hinged to the upper front end of the lower X-shaped bracket 32 ​​through a first hinge shaft 34, the lower rear end of the upper X-shaped bracket 31 is hinged to the upper rear end of the lower X-shaped bracket 32 ​​through a second hinge shaft 35, the upper front end of the upper X-shaped bracket 31 is hinged to the stretcher bracket 2 through a third hinge shaft 36 and cannot slide forward and backward in the stretcher bracket 2, and the upper rear end of the upper X-shaped bracket 31 is hinged to the stretcher bracket 2 through a fourth hinge shaft 37 and can be moved forward and backward in the stretcher. The lower front end of the lower X-shaped bracket 32 ​​is hinged to the base 1 through the fifth hinge shaft 38 and cannot slide forward and backward in the base 1. The lower rear end of the lower X-shaped bracket 32 ​​is hinged to the base 1 through the sixth hinge shaft 39 and can slide forward and backward in the base 1. A connecting frame 310 is provided on the upper front side of the lower X-shaped bracket 32. A support shaft 311 is provided on the connecting frame 310. The oil cylinder 33 is connected and arranged between the support shaft 311 and the fourth hinge shaft 37.

[0073] Electromagnetic locks 5 are provided on the left and right sides of the stretcher support 2, and locking plate racks 6 are provided on the left and right sides of the stretcher bed 4, and the electromagnetic locks 5 cooperate with the locking plate racks 6;

[0074] Two electromagnetic locks 5 are provided on both sides of the stretcher support 2. The two electromagnetic locks 5 are arranged front and back. The number and position of the lock plate racks 6 correspond to the number and position of the electromagnetic locks 5.

[0075] A group of front rollers 7 and a group of rear rollers 8 are respectively arranged on the front and rear sides of the bottom of the base 1, and the rear rollers 8 are universal wheels. An unlocking mechanism 9 is arranged on the base 1, and the unlocking mechanism 9 is connected to the front rollers 7. The front rollers 7 can be switched between fixed wheels and universal wheels through the unlocking mechanism 9;

[0076] The unlocking mechanism 9 includes a fixing seat 91 and a latch seat 92. The fixing seat 91 is arranged at the rear side of the base 1, and the latch seat 92 is arranged behind the front roller 7. A wire roller shaft 94 is hingedly arranged on the fixing seat 91 through a pin shaft 93. A pedal 95 is arranged at the bottom of the wire roller shaft 94. A latch 96 is arranged in the latch seat 92. The latch 96 is connected to the wire roller shaft 94 through a wire rope 97.

[0077] One end of the steel wire rope 97 is wound around the steel wire roller shaft 94, and the other end is connected to the latch pin 96;

[0078] The steel wire rope 97 is provided with an outer sleeve 98, and the outer sleeve 98 is arranged along the outer frame of the base 1;

[0079] A latch slot 10 is provided at the rear side of the front roller 7, and the latch pin 96 matches with the latch slot 10;

[0080] The latch seat 92 is provided with a latch resetting element;

[0081] A charging plug 11 is provided at the bottom of the fixing seat 91;

[0082] The stretcher bed 4 comprises a bed frame 41, on which a buttocks board 42 is provided, and a backrest board 43 and a leg board 44 are respectively hingedly provided at the front and rear sides of the buttocks board 42;

[0083] The backrest plate 43 is connected to the bed frame 41 via a gas spring 45;

[0084] The leg plate 44 is connected to the bed frame 41 via a telescopic cylinder 46;

[0085] The telescopic cylinder 46 is provided with a plurality of telescopic gears;

[0086] The front and rear sides of the bed frame 41 are respectively provided with a front telescopic rod 12 and a rear telescopic rod 13, and the front telescopic rod 12 and the rear telescopic rod 13 are inserted into the bed frame 41;

[0087] There are two front telescopic rods 12 and two rear telescopic rods 13, and the two front telescopic rods 12 and the two rear telescopic rods 13 are arranged left and right;

[0088] A handrail tube 14 is connected between the front ends of the left and right front telescopic rods 12;

[0089] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. A double X-shaped lifting stretcher, characterized in that: The invention comprises a base (1), a stretcher support (2) is arranged above the base (1), the base (1) and the stretcher support (2) are connected via a lifting assembly (3), a stretcher bed (4) is arranged on the stretcher support (2); the lifting assembly (3) comprises an upper X-shaped support (31) and a lower X-shaped support (32), and an oil cylinder (33) is arranged between the upper X-shaped support (31) and the lower X-shaped support (32).

2. The double X-shaped lifting stretcher according to claim 1, characterized in that: The lower front end of the upper X-shaped bracket (31) is hinged to the upper front end of the lower X-shaped bracket (32) via a first hinge shaft (34); the lower rear end of the upper X-shaped bracket (31) is hinged to the upper rear end of the lower X-shaped bracket (32) via a second hinge shaft (35); the upper front end of the upper X-shaped bracket (31) is hinged to the stretcher bracket (2) via a third hinge shaft (36) and cannot slide forward and backward in the stretcher bracket (2); the upper rear end of the upper X-shaped bracket (31) is hinged to the stretcher bracket (2) via a fourth hinge shaft (37) and can slide forward and backward in the stretcher bracket (2); The lower front end of the lower X-shaped bracket (32) is hinged to the base (1) via a fifth hinge shaft (38) and cannot slide forward and backward in the base (1); the lower rear end of the lower X-shaped bracket (32) is hinged to the base (1) via a sixth hinge shaft (39) and can slide forward and backward in the base (1); a connecting frame (310) is provided on the upper front side of the lower X-shaped bracket (32); a supporting shaft (311) is provided on the connecting frame (310); and the oil cylinder (33) is connected and provided between the supporting shaft (311) and the fourth hinge shaft (37).

3. The double X-shaped lifting stretcher according to claim 1, characterized in that: Electromagnetic locks (5) are provided on the left and right sides of the stretcher support (2), and locking plate racks (6) are provided on the left and right sides of the stretcher bed (4), and the electromagnetic locks (5) cooperate with the locking plate racks (6).

4. The double X-shaped lifting stretcher according to claim 3, characterized in that: Two electromagnetic locks (5) are provided on both left and right sides of the stretcher support (2), and the two electromagnetic locks (5) are arranged front and back, and the number and position of the lock plate racks (6) correspond to the number and position of the electromagnetic locks (5).

5. The double X-shaped lifting stretcher according to claim 1, characterized in that: A group of front rollers (7) and a group of rear rollers (8) are respectively arranged on the front and rear sides of the bottom of the base (1); the rear rollers (8) are universal wheels; an unlocking mechanism (9) is arranged on the base (1); the unlocking mechanism (9) is connected to the front rollers (7); and the front rollers (7) can be switched between fixed wheels and universal wheels through the unlocking mechanism (9).

6. The double X-shaped lifting stretcher according to claim 5, characterized in that: The unlocking mechanism (9) comprises a fixing seat (91) and a latch seat (92), wherein the fixing seat (91) is arranged at the rear side of the base (1), and the latch seat (92) is arranged behind the front roller (7). A steel wire roller shaft (94) is hingedly arranged on the fixing seat (91) via a pin shaft (93), a pedal (95) is arranged at the bottom of the steel wire roller shaft (94), and a latch (96) is arranged in the latch seat (92), and the latch (96) and the steel wire roller shaft (94) are connected via a steel wire rope (97).

7. The double X-shaped lifting stretcher according to claim 6, characterized in that: An outer sleeve (98) is provided outside the steel wire rope (97), and the outer sleeve (98) is arranged along the outer frame of the base (1).

8. The double X-shaped lifting stretcher according to claim 6, characterized in that: A latching slot (10) is provided on the rear side of the front roller (7), and the latching pin (96) matches the latching slot (10).

9. The double X-shaped lifting stretcher according to claim 6, characterized in that: A latch resetting element is arranged in the latch seat (92).

10. The double X-shaped lifting stretcher according to claim 6, characterized in that: A charging plug (11) is provided at the bottom of the fixing seat (91).

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