Vehicle-mounted double-layer stretcher support and ambulance

Abstract

The vehicle-mounted double-layer stretcher support comprises a supporting assembly, a first telescopic assembly and a second telescopic assembly, the supporting assembly comprises a bottom frame, and a pull rod is arranged at the top of the bottom frame; the first telescopic assembly comprises a first sliding frame, a second sliding frame and a third sliding frame which are sleeved with one another; the second telescopic assembly comprises an electric push rod, a crank, a connecting rod, a fourth sliding frame, a fifth sliding frame and a sixth sliding frame, a first rocker and a second rocker are hinged to the two ends of the bottom of the fourth sliding frame, and the other ends of the first rocker and the second rocker are hinged to the bottom frame; the two ends of the connecting rod are hinged to the first rocker and the crank which is hinged to the pull rod. The telescopic end of the electric push rod is connected with the crank. A double-rocker mechanism is formed by the driving bottom frame, the fourth sliding frame, the first rocker and the second rocker, the connecting rod and the crank which are hinged with each other can enable the fourth sliding seat to extend out of the vehicle and be close to the ground to a greater extent, rescue personnel only need to operate on the ground, and transfer of a patient is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of stretcher bins, in particular to a vehicle-mounted double-layer stretcher bracket and an ambulance. Background Art

[0002] The double-layer stretcher stand is an important equipment for transporting the wounded on the ambulance, and is mainly used to load standard stretchers and carry the wounded. The existing vehicle-mounted double-layer stretcher stands are of two types: one is a fixed type, which requires personnel to carry the stretcher onto the vehicle and place it on the double-layer stretcher stand; the other type has the function of extending the stretcher stand out of the vehicle, and personnel only need to operate it on the ground.

[0003] In the prior art, the vehicle-mounted double-layer stretcher bracket is fixedly installed in the ambulance, which makes it difficult to achieve horizontal movement in the vehicle. In addition, the length of the upper and lower layers of the bracket extending outward is too short, and it is only suitable for situations where the installation plane is small from the ground. People are required to carry the stretcher into the vehicle and place it on the double-layer stretcher bracket. Utility Model Content

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the defect of the double-layer stretcher in the prior art that the telescopic space is limited, resulting in difficulty in transporting patients.

[0005] In order to solve the above technical problems, the utility model provides a vehicle-mounted double-layer stretcher support, which is characterized by comprising:

[0006] A support assembly, the support assembly comprising a base frame, a pull rod being arranged at the top of one end of the base frame;

[0007] a first telescopic assembly, the first telescopic assembly comprising a first slide, a second slide and a third slide, the first slide being arranged on the base frame, the second slide being sleeved on the outside of the first slide, the third slide being buckled on the outside of the second slide, and the second slide being slidably connected to the first slide and the third slide respectively;

[0008] The second telescopic assembly comprises a fourth slide, a fifth slide, a sixth slide, an electric push rod, a crank and a connecting rod, the fifth slide is sleeved on the outside of the fourth slide, the sixth slide is buckled on the outside of the fifth slide, and the fifth slide is slidably connected to the fourth slide and the sixth slide respectively; the two ends of the bottom of the fourth slide are respectively hinged with a first rocker and a second rocker, and the ends of the first rocker and the second rocker away from the fourth slide are respectively hinged to the base frame; the two ends of the connecting rod are respectively hinged to the first rocker and the crank, and the end of the crank away from the connecting rod is hinged to the pull rod; the telescopic end of the electric push rod is connected to the crank.

[0009] In one embodiment of the utility model, first guide grooves are provided on both sides of the first slide, a first roller is provided on the side of the second slide close to the first slide, a first slide groove is provided on the side of the second slide close to the third slide, first slide platforms cooperating with the first slide groove are provided on both sides of the second slide, and a first telescopic rod is provided between the second slide and the third slide.

[0010] In one embodiment of the utility model, second guide grooves are provided on both sides of the fourth slide, a second roller is provided on the side of the fifth slide close to the fourth slide, a second slide groove is provided on the side of the fifth slide close to the sixth slide, second slide platforms cooperating with the second slide groove are provided on both sides of the fifth slide, a second telescopic rod is provided between the fourth slide and the fifth slide, and a third telescopic rod is provided between the fifth slide and the sixth slide.

[0011] In one embodiment of the utility model, a connecting beam is provided between the fourth slide and the first rocker arm and the second rocker arm, one side of the connecting beam is hinged to the first rocker arm and the second rocker arm, one end of the fourth slide in the width direction is hinged to the connecting beam, and a folding support rod is provided between the other end of the fourth slide in the width direction and the connecting beam.

[0012] In one embodiment of the utility model, a horizontal adjustment component is further included, and the horizontal adjustment component includes a sliding seat, the base frame is arranged on the sliding seat, a guide rail is arranged at the bottom of the sliding seat, and a slider is arranged between the sliding seat and the guide rail.

[0013] In one embodiment of the utility model, the horizontal adjustment assembly also includes a driving source, a rotating shaft and a rack, the rack is arranged at the bottom of the sliding seat, a rotating shaft is arranged on one side of the sliding seat, a gear and a sprocket are sleeved on the rotating shaft, the gear is meshed with the rack, the driving source is arranged at the top of the sliding seat, and the output end of the driving source is connected to the sprocket by a chain.

[0014] In one embodiment of the present invention, a buffer is provided between the sliding seat and the base frame.

[0015] In one embodiment of the utility model, a limiting column is provided on the base frame, a limiting groove is provided at the end of the limiting column, and the first rocker rotates to abut against the limiting groove.

[0016] In an embodiment of the present invention, a handle is disposed at one end of the third sliding bracket and the sixth sliding bracket.

[0017] An ambulance comprises the vehicle-mounted double-layer stretcher support.

[0018] The above technical solution of the utility model has the following advantages compared with the prior art:

[0019] The utility model discloses a vehicle-mounted double-layer stretcher support and an ambulance, which are powered by an electric push rod to drive a base frame, a fourth slide, a first rocker and a second rocker to form a double rocker mechanism, and mutually hinged connecting rods and cranks can make the fourth slide extend out of the vehicle and close to the ground to a greater extent. Rescue personnel only need to operate on the ground, which is convenient for the transportation of patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein

[0021] Figure 1 This is a schematic diagram of the overall structure of the utility model in a folded state;

[0022] Figure 2 for Figure 1 A schematic diagram of the structure of the middle support assembly and the horizontal adjustment assembly;

[0023] Figure 3 This is a schematic diagram of the unfolding structure of the first telescopic component in the utility model;

[0024] Figure 4 for Figure 3 A schematic diagram of the enlarged local structure at point A in the middle;

[0025] Figure 5 This is a schematic diagram of the unfolded structure of the second telescopic component in the utility model;

[0026] Figure 6 for Figure 5 A magnified schematic diagram of the Jeb structure at B in the middle;

[0027] Figure 7 This is a schematic diagram of the folding structure of the first telescopic component in the utility model;

[0028] Figure 8 It is the telescopic range envelope diagram of the second telescopic component in the utility model;

[0029] Description of the accompanying drawings: 1. Support assembly; 2. First telescopic assembly; 3. Second telescopic assembly; 4. Horizontal adjustment assembly; 11. Base frame; 12. Pull rod; 13. Limit rod; 14. Limit groove; 21. First slide; 22. Second slide; 23. Third slide; 24. Handle; 31. Fourth slide; 32. Fifth slide; 33. Sixth slide; 34. Electric push rod; 35. Crank; 36. Connecting rod; 37. First rocker; 38. Second rocker; 39. Connecting beam ; 41. sliding seat; 42. guide rail; 43. driving source; 44. rotating shaft; 45. rack; 46. sprocket; 47. chain; 48. buffer; 211. first guide groove; 212. first roller; 213. first slide groove; 214. first slide; 215. first telescopic rod; 311. second guide groove; 312. second roller; 313. second slide groove; 314. second slide; 315. second telescopic rod; 316. third telescopic rod; 317. folding support rod. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0031] Embodiment 1

[0032] Reference Figure 1-Figure 7 As shown, the utility model discloses a vehicle-mounted double-layer stretcher bracket, comprising:

[0033] A support assembly 1, the support assembly 1 comprising a base frame 11, a pull rod 12 is provided at the top of one end of the base frame 11;

[0034] A first telescopic assembly 2, the first telescopic assembly 2 comprising a first slide 21, a second slide 22 and a third slide 23, the first slide 21 being arranged on the base frame 11, the second slide 22 being sleeved on the outside of the first slide 21, the third slide 23 being buckled on the outside of the second slide 22, and the second slide 22 being slidably connected to the first slide 21 and the third slide 23 respectively;

[0035] The second telescopic assembly 3 comprises a fourth slide 31, a fifth slide 32, a sixth slide 33, an electric push rod 34, a crank 35 and a connecting rod 36. The fifth slide 32 is sleeved on the outer side of the fourth slide 31, and the sixth slide 33 is buckled on the outer side of the fifth slide 32. The fifth slide 32 is slidably connected to the fourth slide 31 and the sixth slide 33 respectively; the first rocker arm 37 and the second rocker arm 38 are hinged at both ends of the bottom of the fourth slide 31, and the ends of the first rocker arm 37 and the second rocker arm 38 away from the fourth slide 31 are hinged to the base frame 11 respectively; the two ends of the connecting rod 36 are hinged to the first rocker arm 37 and the crank 35 respectively, and the end of the crank 35 away from the connecting rod 36 is hinged to the pull rod 12; the telescopic end of the electric push rod 34 is connected to the crank 35.

[0036] It can be imagined that the base frame 11 in the utility model is used to install the first telescopic component 2 and the second telescopic component 3, wherein the first telescopic component 2 is arranged on the top of the base frame 11 as a bottom stretcher. Specifically, the first telescopic component 2 includes a three-layer slide, a first slide 21 is arranged at the bottom and fixedly connected to the base frame 11, the second slide 22 is buckled on the outer side of the first slide 21, and can slide on the first slide 21, and the third slide 23 is buckled on the outer side of the second slide 22 and slides along the axial direction of the second slide 22. During use, the three-layer slide is pulled out of the vehicle to smoothly transport the patient from outside the vehicle to inside the vehicle; the second telescopic component 3 is used as a stretcher at the top, and its main structure is the same as that of the first telescopic component 2, and it is extended to the outside of the vehicle through three mutually fitted slides; the difference is that in addition to being able to retract the top stretcher, the electric push rod 34 extends to drive the crank 35 to move, the crank 35 rotates around the top of the pull rod 12, and then drives the connecting rod 36 to move. The connecting rod 36 is hinged to the first rocker 37 provided at the bottom of the fourth slide 31, and then the first rocker 37 and the second rocker 38 rotate synchronously to drive the fourth slide 31 to tilt out of the vehicle. It should be noted that in order to ensure the horizontality of the fourth slide 31 to a greater extent, the first rocker 37 is a bent rod and the second rocker 38 is a support rod, which can make the slope of the fourth slide 31 gentler after extension, so as to facilitate the transportation of patients.

[0037] In the utility model, power is provided by an electric push rod 34 to drive the base frame 11, the fourth slide 31, the first rocker 37 and the second rocker 38 to form a double rocker mechanism, and the connecting rod 36 and the crank 35 are hinged to each other, so that the fourth slide can be extended out of the vehicle and close to the ground to a greater extent. The rescue personnel only need to operate on the ground, which is convenient for the transportation of patients.

[0038] Furthermore, first guide grooves 211 are provided on both sides of the first slide 21, a first roller 212 is provided on the side of the second slide 22 close to the first slide 21, a first slide groove 213 is provided on the side of the second slide 22 close to the third slide 23, first slide platforms 214 cooperating with the first slide groove 213 are provided on both sides of the second slide 22, and a first telescopic rod 215 is provided between the second slide 22 and the third slide 23.

[0039] Specifically, during use, the first slide 21 is fixedly connected to the base frame 11, a roller inside the second slide 22 slides in the first guide groove 211, and the first slide groove 213 inside the third slide 23 slides along the first slide 214. As a preferred solution of the utility model, both sides of the first slide 21 are further provided with limit grooves 14, and the second slide 22 is provided with limit wheels, and a pin is passed through the limit wheels, and the pin is connected to the second slide 22. When the second slide 22 slides to the end of the first slide 21, it is fixed by the limit wheel clamped in the limit groove 14, and the second slide 22 is rotated and tilted with a pin as a hinge point. The second slide 22 and the third slide 23 are connected by a first telescopic rod 215 to limit their maximum stretching length.

[0040] Furthermore, second guide grooves 311 are provided on both sides of the fourth slide 31, a second roller 312 is provided on the side of the fifth slide 32 close to the fourth slide 31, a second slide groove 313 is provided on the side of the fifth slide 32 close to the sixth slide 33, second slides 314 cooperating with the second slide groove 313 are provided on both sides of the fifth slide 32, a second telescopic rod 315 is provided between the fourth slide 31 and the fifth slide 32, and a third telescopic rod 316 is provided between the fifth slide 32 and the sixth slide 33.

[0041] Specifically, the stretching method of the upper stretcher is the same as that of the lower stretcher, which will not be described in detail here. During use, the entire upper stretcher is tilted as a whole, and when each slide is connected, there is no need to consider tilting and fixing. The fourth slide 31 is connected to the fifth slide 32 through the second telescopic rod 315, and the sixth slide 33 is connected to the fifth slide 32 through the third telescopic rod 316.

[0042] A connecting beam 39 is provided between the fourth slide 31 and the first rocker arm 37 and the second rocker arm 38. One side of the connecting beam 39 is hinged to the first rocker arm 37 and the second rocker arm 38. One end of the fourth slide 31 in the width direction is hinged to the connecting beam 39. A folding support rod 317 is provided between the other end of the fourth slide 31 in the width direction and the connecting beam 39.

[0043] Specifically, the connecting beam 39 serves as a transition between the first rocker 37, the second rocker 38 and the fourth slide 31. One side of the connecting beam 39 is hinged to the first rocker 37 and the second rocker 38 for rotation when tilting. The other side is folded and connected to the fourth slide 31. Specifically, when the upper stretcher is not in use, the entire top stretcher can be flipped up by folding the support rod 317. When a person sits on the bottom stretcher, there is enough space for the person at the bottom to sit upright, thereby improving the riding comfort of the person at the bottom.

[0044] Furthermore, it also includes a horizontal adjustment component 4, which includes a sliding seat 41. The base frame 11 is arranged on the sliding seat 41. A guide rail 42 is arranged at the bottom of the sliding seat 41. A slider is arranged between the sliding seat 41 and the guide rail 42.

[0045] The double-layer stretcher in the utility model is installed in the vehicle. During use, the guide rails 42 at the bottom can be used to move the double-layer stretcher. Specifically, the guide rails 42 at the bottom are arranged along the width direction of the vehicle compartment to achieve left and right sliding inside the vehicle compartment.

[0046] Furthermore, the horizontal adjustment component 4 also includes a driving source 43, a rotating shaft 44 and a rack 45. The rack 45 is arranged at the bottom of the sliding seat 41. A rotating shaft 44 is arranged on one side of the sliding seat 41. A gear and a sprocket 46 are sleeved on the rotating shaft 44. The gear is meshed with the rack 45. The driving source 43 is arranged at the top of the sliding seat 41, and the output end of the driving source 43 is connected to the sprocket 46 through a chain 47.

[0047] Specifically, the rack 45 at the bottom of the base frame 11 is in the same direction as the guide rail 42, the driving source 43 rotates to drive the shaft 44 to rotate, and the gear on the shaft 44 meshes with the bottom rack 45 to achieve automatic movement of the entire double-layer stretcher.

[0048] Furthermore, a buffer 48 is provided between the sliding seat 41 and the base frame 11 .

[0049] Specifically, during use, the buffer 48 can reduce the vibration of the patient during transportation and improve the comfort during the transfer.

[0050] Furthermore, a limiting column is provided on the base frame 11 , and a limiting groove 14 is provided at the end of the limiting column, and the first rocker 37 rotates to abut against the limiting groove 14 .

[0051] Specifically, the limiting rod 13 is installed at one end close to the pull rod 12, and the first rocker 37 abuts against the limiting groove 14 during the resetting process, fixing the first rocker 37 to ensure the stability of the entire upper stretcher after resetting.

[0052] Furthermore, a handle 24 is disposed at one end of the third slide 23 and the sixth slide 33 ; specifically, the handle 24 is disposed at an end away from the pull rod 12 , and the multi-layer slide is stretched by pulling the handle 24 during use.

[0053] Embodiment 2

[0054] An ambulance comprises the vehicle-mounted double-layer stretcher support described in embodiment 1.

[0055] In summary, the utility model introduces a vehicle-mounted double-layer stretcher stand and an ambulance. In the utility model, power is provided by an electric push rod 34 to drive the base frame 11, the fourth slide 31, the first rocker 37 and the second rocker 38 to form a double rocker mechanism, and the connecting rod 36 and the crank 35 are hinged to each other, so that the fourth slide can be extended out of the vehicle to a greater extent and close to the ground. The rescue personnel only need to operate on the ground, which is convenient for the transportation of patients.

[0056] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A vehicle-mounted double-layer stretcher support, characterized in that: include: A support assembly, the support assembly comprising a base frame, a pull rod being arranged at the top of one end of the base frame; a first telescopic assembly, the first telescopic assembly comprising a first slide, a second slide and a third slide, the first slide being arranged on the base frame, the second slide being sleeved on the outside of the first slide, the third slide being buckled on the outside of the second slide, and the second slide being slidably connected to the first slide and the third slide respectively; The second telescopic assembly comprises a fourth slide, a fifth slide, a sixth slide, an electric push rod, a crank and a connecting rod, the fifth slide is sleeved on the outside of the fourth slide, the sixth slide is buckled on the outside of the fifth slide, and the fifth slide is slidably connected to the fourth slide and the sixth slide respectively; the two ends of the bottom of the fourth slide are respectively hinged with a first rocker and a second rocker, and the ends of the first rocker and the second rocker away from the fourth slide are respectively hinged to the base frame; the two ends of the connecting rod are respectively hinged to the first rocker and the crank, and the end of the crank away from the connecting rod is hinged to the pull rod; the telescopic end of the electric push rod is connected to the crank.

2. The vehicle-mounted double-layer stretcher support according to claim 1, characterized in that: First guide grooves are arranged on both sides of the first slide, a first roller is arranged on the side of the second slide close to the first slide, a first slide groove is arranged on the side of the second slide close to the third slide, first slide platforms cooperating with the first slide groove are arranged on both sides of the second slide, and a first telescopic rod is arranged between the second slide and the third slide.

3. The vehicle-mounted double-layer stretcher support according to claim 1, characterized in that: Second guide grooves are provided on both sides of the fourth slide, second rollers are provided on the side of the fifth slide close to the fourth slide, second slide grooves are provided on the side of the fifth slide close to the sixth slide, second slide platforms cooperating with the second slide grooves are provided on both sides of the fifth slide, a second telescopic rod is provided between the fourth slide and the fifth slide, and a third telescopic rod is provided between the fifth slide and the sixth slide.

4. The vehicle-mounted double-layer stretcher support according to claim 1, characterized in that: A connecting beam is provided between the fourth slide and the first rocker and the second rocker, one side of the connecting beam is hinged to the first rocker and the second rocker, one end of the fourth slide in the width direction is hinged to the connecting beam, and a folding support rod is provided between the other end of the fourth slide in the width direction and the connecting beam.

5. The vehicle-mounted double-layer stretcher support according to claim 1, characterized in that: It also includes a horizontal adjustment component, which includes a sliding seat. The base frame is arranged on the sliding seat. A guide rail is arranged at the bottom of the sliding seat. The sliding seat is slidably connected to the guide rail.

6. The vehicle-mounted double-layer stretcher support according to claim 5, characterized in that: The horizontal adjustment assembly also includes a driving source, a rotating shaft and a rack. The rack is arranged at the bottom of the sliding seat. A rotating shaft is arranged on one side of the sliding seat. A gear and a sprocket are sleeved on the rotating shaft. The gear is meshed with the rack. The driving source is arranged on the top of the sliding seat. The output end of the driving source is connected to the sprocket through a chain.

7. The vehicle-mounted double-layer stretcher support according to claim 5, characterized in that: A buffer is arranged between the sliding seat and the base frame.

8. The vehicle-mounted double-layer stretcher support according to claim 1, characterized in that: A limiting column is arranged on the base frame, a limiting groove is arranged at the end of the limiting column, and the first rocker is rotated to abut against the limiting groove.

9. The vehicle-mounted double-layer stretcher support according to claim 1, characterized in that: A handle is provided at one end of the third sliding frame and the sixth sliding frame.

10. An ambulance, characterized in that: It comprises a vehicle-mounted double-layer stretcher bracket as described in any one of claims 1-9.

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