Stretcher device and rescue vehicle

Abstract

The utility model relates to the technical field of medical special vehicles, in particular to a stretcher device and a rescue vehicle, the stretcher device comprises a compartment body, a stretcher assembly is arranged in the compartment body, and a stretcher height adjusting mechanism is arranged on the stretcher assembly. The stretcher height adjusting mechanism comprises a front swing rod, a rear swing rod, a secondary supporting platform, a primary supporting platform, a front driving electric push rod, a telescopic driving motor, a front belt wheel, a rear belt wheel and a belt, the stretcher assembly comprises a stretcher platform and a stretcher, the primary supporting platform is hinged to the front swing rod, the front swing rod is driven by the front driving electric push rod, and the secondary supporting platform is hinged to the rear swing rod. A telescopic driving motor is arranged on the second-stage supporting platform, a front belt wheel and a rear belt wheel are arranged on the second-stage supporting platform, the front belt wheel is connected with the rear belt wheel through a belt, the front belt wheel is driven by the telescopic driving motor, one side of the belt is fixedly connected with the first-stage supporting platform, and the other side of the belt is fixedly connected with the stretcher platform. The stretcher extends out of the carriage and is close to the ground, so that the wounded can get on and off the carriage conveniently and sit and lie down.

Description

Technical Field

[0001] The utility model relates to the technical field of special medical vehicles, in particular to a stretcher device and a rescue vehicle. Background Art

[0002] With the rapid development of modern industry, ambulances and stretchers are important equipment for medical emergency, which provide convenience for medical assistance to personnel and save precious rescue time. After searching, Chinese patent CN103349593A discloses an invention patent named automatic boarding stretcher system. The stretcher system described in the patent is arranged in the carriage, including a stretcher assembly, a connecting rod mechanism and a control system; the stretcher assembly includes a stretcher platform, a guide platform, and a stretcher. The stretcher is detachably mounted on the guide platform. A guide rail is arranged on the stretcher platform. The guide platform is driven by a motor and can move forward and backward along the guide rail on the stretcher platform; the connecting rod mechanism includes a front rocker bottom The front rocker arm, the rear rocker arm, the rear rocker arm base, and the front rocker arm base, the front rocker arm, the stretcher platform, the rear rocker arm, and the rear rocker arm base are connected by hinges in sequence. The front rocker arm is fixed with a cylinder front support, and the cylinder front support, the cylinder, and the cylinder rear support are connected by hinges in sequence. The rear rocker arm is fixed with a gas spring front support, and the gas spring front support, the gas spring, and the gas spring rear support are hinged in sequence. The front rocker arm base, the cylinder rear support, the rear rocker arm base, and the gas spring rear support are all fixed in the car. The cylinder extension can drive the front rocker arm to swing and drive the stretcher platform to rotate around the rocker arm base, so that the stretcher assembly can be raised and lowered and extended or retracted into the car. The control system includes The invention comprises an air storage tank, a solenoid valve, a proximity switch, a motor, a programmable controller (PLC) and an operating button. The air storage tank provides a power source for the cylinder, the solenoid valve controls the on-off of the air circuit, the proximity switch is used to monitor the position of the guide platform and the telescopic position of the cylinder, the PLC can receive monitoring information and set and run the control program, and the operating button sends an operating instruction. Through the operating button and the PLC, the working state of the solenoid valve and the motor can be controlled, thereby controlling the rotation of the stretcher platform or the forward and backward movement of the guide platform. The shortcomings of the above patents are: first, the chassis of existing vehicles is usually high above the ground. Although the stretcher assembly in the above patents can extend out of the car, Combined with the attached drawings, it can be seen that the stretcher assembly is higher from the ground after extending out of the car, which causes the stretcher to be high from the ground, making it very difficult for the wounded to get on and off the car, increasing the difficulty of rescue and delaying the treatment time; secondly, the above patent can only be used to transport lying wounded, and the transportation quantity is limited. For the wounded who cannot lie down, it is impossible to transport them in time; thirdly, in the above patent, the stretcher is installed by setting slots and holes. When the stretcher is installed, the crossbeam at the front end of the stretcher must be aligned with the slot of the front fixer, and the rear end of the stretcher cannot cover the hole of the rear fixer. It may be necessary to adjust the position of the stretcher multiple times and insert the column into the hole. The operation is delicate, time-consuming and labor-intensive. Summary of the invention

[0003] The utility model aims to solve the deficiencies of the prior art and to provide a stretcher device and a rescue vehicle with an ingenious structure, a stretcher extending out of the carriage close to the ground, convenient for the wounded to get on and off the vehicle, timely rescue, the wounded can sit or lie, and the stretcher is easy to disassemble and assemble.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A stretcher device comprises a body, wherein a stretcher assembly is arranged in the body, and the feature is that: a stretcher height adjustment mechanism is arranged on the stretcher assembly, and the stretcher assembly is connected to the body via the stretcher height adjustment mechanism, and the stretcher height adjustment mechanism comprises a front swing rod, a rear swing rod, a secondary support platform, a primary support platform, a front drive electric push rod, a telescopic drive motor, a front pulley, a rear pulley, and a belt; the stretcher assembly comprises a stretcher platform and a stretcher, front swing rods are arranged on both sides of the front part below the stretcher platform, and rear swing rods are arranged on both sides of the rear part below the stretcher platform, a secondary support platform is arranged at the lower end of the stretcher platform, and a primary support platform is arranged at the lower end of the secondary support platform, the upper end of the front swing rod is hinged to the primary support platform, and the lower end is hinged to the bottom plate of the body, the front swing rod is driven by the front drive electric push rod, and the upper end of the rear swing rod is hinged to the primary support platform The platform is hinged, and the lower end is hinged with the bottom plate of the compartment body. The primary support platform is slidably connected with the secondary support platform, and the secondary support platform is slidably connected with the stretcher platform. A telescopic driving motor is arranged on the secondary support platform. Front pulleys are arranged on both sides of the front of the secondary support platform, and rear pulleys are arranged on both sides of the rear. The front pulleys correspond to the rear pulleys one by one. The front pulley is connected to the rear pulley through a belt transmission. The front pulley and the rear pulley are respectively fixedly connected to the secondary support platform through axles and bearings. The front pulley or the rear pulley is driven by the telescopic driving motor, and the belt is fixedly connected to the primary support platform on one side along the sliding direction, and is fixedly connected to the stretcher platform on the other side, so as to facilitate the front driving electric push rod and the telescopic driving motor to make the stretcher platform tilt outward and extend, thereby reducing the height of the stretcher platform and facilitating the wounded to get on and off the stretcher.

[0006] The front swing arm of the utility model comprises a front swing arm upper section and a front swing arm lower section, the front swing arm upper section and the front swing arm lower section are L-shaped, the lower end of the front swing arm upper section is fixedly connected to the upper end of the front swing arm lower section, the primary support platform is hinged to the front swing arm upper section via a hinge, the telescopic rod of the front drive electric push rod is hinged to the front swing arm lower section, the front drive electric push rod is inclined, the machine base of the front drive electric push rod is hinged to the bottom plate of the compartment, the front swing arm lower section is provided with a front swing support, the front swing support is fixedly connected to the bottom plate of the compartment, and drives the front swing arm upper section, the front swing arm lower section and the hinge point of the front swing arm lower section and the front swing support through the front drive electric push rod to swing backwards as the center, so as to extend the stretcher backwards and downwards.

[0007] The rear swing rod of the utility model is curved, and a rear swing support is provided at the lower end of the rear swing rod. The secondary support platform is hinged to the upper end of the rear swing rod via a hinge, and the lower end of the rear swing rod is hinged to the rear swing support. The rear swing support is fixedly connected to the bottom plate of the compartment body, so that when the stretcher platform is extended backward, the rear swing rod swings backward with the hinge point between the rear swing rod and the rear swing support as the center, thereby driving the secondary support platform to extend backward and downward.

[0008] The stretcher of the utility model is detachably connected to the stretcher platform, so as to facilitate the disassembly and assembly of the stretcher.

[0009] The utility model provides stretcher guide grooves on both sides of the stretcher platform, legs are fixed on both sides of the lower end of the stretcher, the legs cooperate with the stretcher guide grooves, the legs are plugged and fixed with the stretcher guide grooves, so as to facilitate the stretcher to be plugged and pulled out through the stretcher guide grooves and the legs, and realize the rapid disassembly and assembly of the stretcher.

[0010] The utility model provides a limit pin hole on the stretcher guide groove, and a latching slot on the support leg. The support leg is connected to the stretcher platform via a locking pin, the limit pin hole and the latching slot, so that the support leg is further limited by the locking pin, so that the stretcher is more stable after installation.

[0011] The utility model discloses a stretcher platform provided with a locking pin driving assembly, the locking pin driving assembly comprising a support plate, a driving pull rod, a limit block, a driving handle, a connecting rod, a spring, a spring limit platform, and a hinged rod. The stretcher platform is provided with support plates at intervals from front to back, and the left and right ends of the support plates are respectively fixedly connected to the stretcher platform. The support plate is provided with guide through holes, a driving pull rod is provided between two stretcher guide grooves, a limit block is provided at the left end of the driving pull rod, and a driving handle is provided at the right end through the guide through holes in sequence. The driving pull rod is slidably connected to the support plate, and the driving pull rod is provided with at least one connecting rod from front to back, and a spring is sleeved on the driving pull rod. A spring limit platform is provided on the outer wall of the driving pull rod, and the spring limit platform is fixedly connected to the driving pull rod, one end of the spring is against the spring limit platform, and the other end is against the support plate, the limit block is fixedly connected to the left end of the driving pull rod, the driving handle is hinged to the driving pull rod, the driving handle is slidingly connected to the stretcher platform, the connecting rod is fixedly connected to the driving pull rod, and hinged rods are respectively provided at both ends of the connecting rod, one end of the hinged rod is hinged to the connecting rod, and the other end is hinged to the locking pin, so that by pulling the driving handle, the driving handle drives the driving pull rod to move left and right, the driving pull rod pulls the connecting rod, and the connecting rod moves telescopically through the hinged rod pulling the locking pin.

[0012] The locking pin of the utility model is a spring pin, the pin seat of the locking pin is fixedly connected to the stretcher platform, and the pin shaft of the locking pin is hinged to the hinge rod.

[0013] The utility model provides a slide groove on the stretcher platform, and the driving handle is connected to the slide groove by sliding left and right through a slider, so as to facilitate pulling the driving handle, and the driving handle is connected to the stretcher platform by sliding through the slider and the slide groove.

[0014] The utility model discloses a rescue seat is provided in the compartment, and the rescue seat is provided with a seat connecting mechanism, and the seat connecting mechanism includes a seat support rod, a fixing seat, and a locking pin. A seat support rod is provided on one side of the rescue seat, and a positioning hole is provided on the side of the seat plate of the rescue seat. One end of the seat support rod is fixedly connected to the rescue seat, and the other end is rotatably connected to the inner wall of the compartment. The seat plate of the rescue seat abuts against the stretcher platform. A fixing seat is provided on the inner wall of the compartment, and the fixing seat is fixedly connected to the inner wall of the compartment. A locking hole is provided on the fixing seat, and the locking pin passes through the locking hole and extends into the positioning hole to limit and fix the rescue seat on the inner wall of the compartment, so that when in use, the locking pin is pulled out, the seat plate of the rescue seat is lowered to a horizontal state, and the seat plate is placed on the stretcher platform for people to sit on. When not in use, the seat plate of the rescue seat is flipped over so that the seat plate is in a vertical state, and the locking pin is inserted.

[0015] The rescue chair of the utility model comprises a seat plate and a backrest, wherein the backrest is hinged with the seat plate, so that when in use, the seat plate and the backrest are turned down, and the backrest and the seat plate are opened, so that the rescue chair is convenient for use by a sitting injured person.

[0016] The locking pin of the utility model is a spring pin, and the pin seat of the locking pin is fixedly connected to the fixing seat, so that when it is used conveniently, there is no need to pull out the locking pin, and the pin shaft of the locking pin can be directly pulled to drive the pin shaft to move, thereby limiting or releasing the limit of the rescue seat.

[0017] The other end of the seat support rod of the utility model is provided with a flip support, the flip support is fixedly connected to the inner wall of the compartment, and the seat support rod is hinged to the flip support, so as to facilitate the installation of the seat support rod through the flip support.

[0018] The stretcher assembly of the utility model comprises an upper stretcher assembly and a lower stretcher assembly, wherein the upper stretcher assembly is located above the lower stretcher assembly, the stretcher platform of the upper stretcher assembly is connected to the carriage via a stretcher height adjustment mechanism, and the stretcher platform of the lower stretcher assembly is connected to the carriage via a stretcher height adjustment mechanism, so that both the upper stretcher assembly and the lower stretcher assembly can be used to transport the wounded, thereby improving the utilization rate of the carriage.

[0019] The rescue seat of the utility model is located between the upper stretcher assembly and the lower stretcher assembly, the seat plate of the rescue seat is abutted against the stretcher platform of the lower stretcher assembly, one end of the primary support platform of the upper stretcher assembly is hinged to the front swing rod on one side of it, the other end of the primary support platform of the upper stretcher assembly is detachably connected to the front swing rod on the other side, one end of the secondary support platform of the upper stretcher assembly is hinged to the rear swing rod on one side of it, the other end of the secondary support platform of the upper stretcher assembly is detachably connected to the rear swing rod on the other side, so as to facilitate the upper stretcher platform to be flipped to one side when the seat is used, leaving space required for the injured to sit or stand.

[0020] A rescue vehicle comprises a chassis, characterized in that the chassis is provided with the above-mentioned stretcher device, and the vehicle body is fixedly connected to the chassis.

[0021] The utility model has the advantages of ingenious structure, the stretcher is extended out of the carriage close to the ground, the wounded are convenient to get on and off the carriage, the rescue is timely, the wounded can sit or lie, and the stretcher is convenient to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the stretcher device of the utility model.

[0023] Figure 2 It is a schematic diagram of the utility model rescue seat being put down.

[0024] Figure 3 This utility model Figure 1 Schematic diagram of the middle and lower stretcher assemblies extending out of the compartment.

[0025] Figure 4 This utility model Figure 1 Schematic diagram of the middle and upper stretcher assembly extending out of the compartment.

[0026] Figure 5 It is an enlarged schematic diagram of the connection of the telescopic drive motor, belt, primary support platform, secondary support platform and stretcher platform in the utility model.

[0027] Figure 6 It is an enlarged schematic diagram of the locking pin drive assembly in the utility model.

[0028] Figure 7 It is an enlarged schematic diagram of the rescue seat in the utility model being unfolded.

[0029] Figure 8 It is an enlarged schematic diagram of the rescue seat in the utility model being folded.

[0030] Figure numerals: stretcher assembly 1, stretcher height adjustment mechanism 2, front swing arm 3, rear swing arm 4, secondary support platform 5, primary support platform 6, front drive electric push rod 7, telescopic drive motor 8, belt 9, stretcher platform 10, stretcher 11, front swing arm upper section 12, front swing arm lower section 13, front swing support 14, rear swing support 15, stretcher guide groove 16, support leg 17, locking pin 19, locking pin drive assembly 20, support plate 21, drive pull rod 22, limit block 23, drive handle 24, connecting rod 25, spring 26, spring limit platform 27, hinged rod 28, rescue seat 29, seat connecting mechanism 30, seat support rod 31, fixed seat 32, locking pin 33, seat board 34, backrest 35, flip support 36, upper stretcher assembly 37, lower stretcher assembly 38. DETAILED DESCRIPTION

[0031] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0032] A stretcher device comprises a box body, wherein a stretcher assembly 1 is arranged in the box body, and the feature is that a stretcher height adjustment mechanism 2 is arranged on the stretcher assembly 1.

[0033] The stretcher height adjustment mechanism 2 includes a front swing rod 3, a rear swing rod 4, a secondary support platform 5, a primary support platform 6, a front drive electric push rod 7, a telescopic drive motor 8, a front pulley, a rear pulley, and a belt 9. The stretcher assembly 1 includes a stretcher platform 10 and a stretcher 11. Front swing rods 3 are provided on both sides of the front part of the lower front of the stretcher platform 10, and rear swing rods 4 are provided on both sides of the rear part of the lower rear of the stretcher platform 10. A secondary support platform 5 is provided at the lower end of the stretcher platform 10, and a primary support platform 6 is provided at the lower end of the secondary support platform 5. The upper end of the front swing rod 3 is hinged to the primary support platform 6, and the lower end is hinged to the bottom plate of the compartment. The front swing rod 3 is driven by the front drive electric push rod 7. The upper end of the rear swing rod 4 is hinged to the primary support platform 6, and the lower end is hinged to the bottom plate of the compartment. The primary support platform 6 is hinged to the secondary support platform 5. The supporting platform 5 is slidably connected, and the secondary supporting platform 5 is slidably connected to the stretcher platform 10. A telescopic driving motor 8 is provided on the secondary supporting platform 5. Front pulleys are provided on both sides of the front of the secondary supporting platform 5, and rear pulleys are provided on both sides of the rear. The front pulleys correspond to the rear pulleys one by one. The front pulley is transmission-connected to the rear pulley via a belt 9. The front pulley and the rear pulley are fixedly connected to the secondary supporting platform 5 via axles and bearings respectively. The front pulley or the rear pulley is driven by the telescopic driving motor 8. The belt 9 is fixedly connected to the primary supporting platform 6 on one side along the sliding direction, and is fixedly connected to the stretcher platform 10 on the other side, so as to facilitate the front driving electric push rod and the telescopic driving motor to make the stretcher platform tilt outward and extend, thereby reducing the height of the stretcher platform and making it convenient for the wounded to get on and off the stretcher.

[0034] The front swing arm 3 of the utility model comprises a front swing arm upper section 12 and a front swing arm lower section 13, the front swing arm upper section 12 and the front swing arm lower section 13 are L-shaped, the lower end of the front swing arm upper section 12 is fixedly connected to the upper end of the front swing arm lower section 13, the primary support platform 6 is hinged to the front swing arm upper section 12 via a hinge, the telescopic rod of the front driving electric push rod 7 is hinged to the front swing arm lower section 13, the front driving electric push rod 7 is inclined, the base of the front driving electric push rod 7 is hinged to the bottom plate of the compartment, the front swing arm lower section 13 is provided with a front swing support 14, the front swing support 14 is fixedly connected to the bottom plate of the compartment, and the front swing support is driven by the front driving electric push rod to swing backwards as the center of the hinge point between the front swing arm lower section and the front swing support, so as to extend the stretcher backwards and downwards.

[0035] The rear swing rod 4 of the utility model is curved, and a rear swing support 15 is provided at the lower end of the rear swing rod 4. The secondary support platform 5 is hinged to the upper end of the rear swing rod 4 via a hinge, and the lower end of the rear swing rod 4 is hinged to the rear swing support 15. The rear swing support 15 is fixedly connected to the bottom plate of the compartment body, so that when the stretcher platform is extended backward, the rear swing rod swings backward with the hinge point between the rear swing rod and the rear swing support as the center, thereby driving the secondary support platform to extend backward and downward.

[0036] The stretcher 11 of the utility model is detachably connected to the stretcher platform 10 to facilitate disassembly and assembly of the stretcher 11 .

[0037] Stretcher guide grooves 16 are provided on both sides of the stretcher platform 10 of the utility model, and legs 17 are fixed on both sides of the lower end of the stretcher 11, and the legs 17 cooperate with the stretcher guide grooves 16, and the legs 17 are plugged and fixed with the stretcher guide grooves 16, so as to facilitate the insertion and removal of the stretcher through the stretcher guide grooves and the legs, thereby realizing rapid disassembly and assembly of the stretcher.

[0038] The stretcher guide groove 16 of the utility model is provided with a limit pin hole, and the support leg 17 is provided with a latching slot. The support leg 17 is connected to the stretcher platform 10 via a locking pin 19, a limit pin hole and a latching slot, so that the support leg is further limited by the locking pin, so that the stretcher is more stable after installation.

[0039] The utility model provides a locking pin driving assembly 20 on the stretcher platform 10, and the locking pin driving assembly 20 includes a support plate 21, a driving rod 22, a limit block 23, a driving handle 24, a connecting rod 25, a spring 26, a spring limit platform 27, and a hinge rod 28. The stretcher platform 10 is provided with support plates 21 from front to back, and the left and right ends of the support plates 21 are respectively fixedly connected to the stretcher platform 10. The support plate 21 is provided with a guide through hole, and a driving rod 22 is provided between the two stretcher guide grooves 16. The left end of the driving rod 22 is provided with a limit block 23, and the right end is provided with a driving handle 24 through the guide through hole in sequence. The driving rod 22 is slidably connected to the support plate 21, and the driving rod 22 is provided with at least one connecting rod 25 from front to back. The driving rod 22 is sleeved with Spring 26, a spring limit platform 27 is provided on the outer wall of the driving rod 22, the spring limit platform 27 is fixedly connected to the driving rod 22, one end of the spring 26 is against the spring limit platform 27, and the other end is against the support plate 21, the limit block 23 is fixedly connected to the left end of the driving rod 22, the driving handle 24 is hinged to the driving rod 22, the driving handle 24 is slidingly connected to the stretcher platform 10, the connecting rod 25 is fixedly connected to the driving rod 22, and hinged rods 28 are respectively provided at both ends of the connecting rod 25, one end of the hinged rod 28 is hinged to the connecting rod 25, and the other end is hinged to the locking pin 19, so as to facilitate pulling the driving handle, the driving handle drives the driving rod to move left and right, the driving rod pulls the connecting rod, and the connecting rod pulls the locking pin to move telescopically through the hinged rod.

[0040] The locking pin 19 of the utility model is a spring pin, the pin seat of the locking pin 19 is fixedly connected to the stretcher platform 10 , and the pin shaft of the locking pin 19 is hinged to the hinge rod 28 .

[0041] The stretcher platform 10 of the utility model is provided with a slide groove, and the driving handle 24 is slidably connected to the slide groove left and right through a slider to facilitate pulling the driving handle, and the driving handle is slidably connected to the stretcher platform 10 through the slider and the slide groove.

[0042] The utility model provides a rescue seat 29 in the compartment, and a seat connection mechanism 30 is provided on the rescue seat 29. The seat connection mechanism 30 includes a seat support rod 31, a fixing seat 32, and a locking pin 33. A seat support rod 31 is provided on one side of the rescue seat 29, and a positioning hole is provided on the side of the seat plate 34 of the rescue seat 29. One end of the seat support rod 31 is fixedly connected to the rescue seat 29, and the other end is rotatably connected to the inner wall of the compartment. The seat plate 34 of the rescue seat 29 is connected to the stretcher platform. 10 abuts against each other, the inner wall of the compartment is provided with a fixing seat 32, the fixing seat 32 is fixedly connected to the inner wall of the compartment, a locking hole is provided on the fixing seat 32, the locking pin 33 passes through the locking hole and extends into the positioning hole to limit and fix the rescue seat 29 on the inner wall of the compartment, so that when in use, the locking pin is pulled out, the seat plate of the rescue seat is lowered to a horizontal state, the seat plate is placed on the stretcher platform, and people can sit on it. When not in use, the seat plate of the rescue seat is flipped over so that the seat plate is in a vertical state, and the locking pin is inserted.

[0043] The rescue seat 29 of the utility model comprises a seat plate 34 and a backrest 35, wherein the backrest 35 is hinged to the seat plate 34, so that when in use, the seat plate and the backrest are flipped down, and the backrest and the seat plate are opened, so as to facilitate use by a sitting injured person.

[0044] The locking pin 33 of the utility model is a spring pin, and the pin seat of the locking pin 33 is fixedly connected to the fixing seat 32, so that when it is used conveniently, there is no need to pull out the locking pin, and the pin shaft of the locking pin can be directly pulled to drive the pin shaft to move, thereby limiting or releasing the limit of the rescue seat.

[0045] The other end of the seat support rod 31 of the utility model is provided with a flip support 36, and the flip support 36 is fixedly connected to the inner wall of the compartment. The seat support rod 31 is hinged to the flip support 36 to facilitate the installation of the seat support rod through the flip support.

[0046] The stretcher assembly 1 of the utility model comprises an upper stretcher assembly 37 and a lower stretcher assembly 38, wherein the upper stretcher assembly 37 is located above the lower stretcher assembly 38, the stretcher platform of the upper stretcher assembly 37 is connected to the carriage via a stretcher height adjustment mechanism, and the stretcher platform of the lower stretcher assembly 38 is connected to the carriage via a stretcher height adjustment mechanism, so that both the upper stretcher assembly and the lower stretcher assembly can be used to transport the wounded, thereby improving the utilization rate of the carriage.

[0047] The rescue seat 29 of the utility model is located between the upper stretcher assembly 37 and the lower stretcher assembly 38, and the seat plate 34 of the rescue seat 29 is abutted against the stretcher platform of the lower stretcher assembly 38. One end of the primary support platform of the upper stretcher assembly 37 is hinged to the front swing rod on one side thereof, and the other end of the primary support platform of the upper stretcher assembly 37 is detachably connected to the front swing rod on the other side thereof, and one end of the secondary support platform of the upper stretcher assembly 37 is hinged to the rear swing rod on one side thereof, and the other end of the secondary support platform of the upper stretcher assembly 37 is detachably connected to the rear swing rod on the other side thereof, so as to facilitate the upper stretcher platform to be flipped to one side when the seat is used, leaving space required for the injured to sit or stand.

[0048] A rescue vehicle comprises a chassis, characterized in that: the chassis is provided with the above-mentioned stretcher device, and the compartment is fixedly connected to the chassis.

[0049] As attached Figure 1 -Attached Figure 8 The compartment of the utility model is a compartment of a rescue vehicle in the prior art. A plurality of stretcher assemblies 1 can be arranged in the compartment according to space requirements. The stretcher assemblies 1 can be arranged side by side or in a group, such as the attached Figure 1 and attached Figure 2 As shown, multiple groups are set up according to the space of the compartment. The utility model can be set with a control system, such as a PLC control system. The front drive electric push rod 7 and the telescopic drive motor 8 are all controlled by the control system. The control system can be connected to the on-board control system of the rescue vehicle to facilitate control by the operator. In this embodiment, an upper stretcher assembly 37 and a lower stretcher assembly 38 are set up. The upper stretcher assembly 37 and the lower stretcher assembly 38 constitute a group of rescue stretchers. Two groups can be set up in one compartment to facilitate the treatment of multiple people at one time. The structure of the upper stretcher assembly 37 is the same as that of the lower stretcher assembly 38, and the driving mode of the upper stretcher assembly 37 and the lower stretcher assembly 38 extending out of the compartment is also the same. The difference is that the upper stretcher assembly 37 can be flipped to the side to make room for the injured to sit on the seat board 34. When in use, when the rescue vehicle arrives at the rescue site, depending on the condition of the injured, whether he needs to sit or lie down, if he lies down, for the convenience of description, the attached Figure 1 The stretcher is arranged front and back, and extends out of the carriage backward.

[0050] Take the stretching of the lower stretcher assembly 38 as an example to illustrate. Figure 1 , Attachment Figure 3 and attached Figure 5, start the front driving electric push rod 7, the telescopic rod of the front driving electric push rod 7 retracts, drives the front swing rod 3 and the rear swing rod 4 to swing, the front swing rod 3 swings upward and backward with the hinge point of the front swing rod lower section 13 and the front swing support 14 as the center, and the rear swing rod 4 swings backward with the hinge point of the rear swing rod 4 and the rear swing support 15 as the center, and then starts the telescopic driving motor 8. The telescopic driving motor 8 drives the belt 9 to rotate. The left and right sides of the belt 9 are fixed with the primary support platform 6 on one side and the stretcher platform 10 on the other side. In this way, the rotation of the belt 9 can make the primary support platform 6, the secondary support platform 5, and the stretcher platform 10 synchronously extend and retract, driving the stretcher platform 10 to extend downward to the outside of the car, and the stretcher platform 10 is close to the ground. At this time, if the attached Figure 6 , one operator holds the driving handle 24 and pulls it backward to drive the pin shaft of the locking pin 19 to exit the pin slot, and another operator takes the stretcher 11 out of the stretcher platform 10. After the injured person is fixed on the stretcher 11, the injured person and the stretcher 11 are placed on the stretcher platform 10. Another operator holds the driving handle 24 and pulls it backward to drive the pin shaft of the locking pin 19 to exit the stretcher guide slot 16. Then the rescuer fixes the stretcher 11 and the injured person on the stretcher platform 10, that is, the stretcher 11 The legs 17 at the lower end of the stretcher are inserted into the stretcher guide groove 16, and then the driving handle 24 is released to start the telescopic driving motor 8, so that the stretcher platform 10, the primary supporting platform 6, and the secondary supporting platform 5 are retracted synchronously, and the front driving electric push rod 7 is started, and the telescopic rod of the front driving electric push rod 7 is extended, and the front swing rod 3 and the rear swing rod 4 swing in the opposite direction, driving the stretcher 11 and the injured person back into the compartment, and then the other stretcher assemblies in the compartment are extended out of the compartment, and the injured person is fixed on the stretcher and then retracted into the compartment, and the rescue vehicle is started to send the injured person to the rescue vehicle;

[0051] If the injured cannot lie down or do not need to lie down, if the stretcher assembly is set up with two layers, as shown in the attached Figure 2 , the lower end of the upper stretcher assembly is disassembled from the front swing arm and the rear swing arm, and then flipped to the left or right side to free up the space above the lower stretcher assembly, and then the stretcher of the lower stretcher assembly is removed, the locking pin 33 is pulled out, and the seat plate 34 is flipped downward so that the seat plate 34 is placed on the stretcher platform 10 of the lower stretcher assembly 1;

[0052] The utility model has an ingenious structure and can transport sitting wounded persons or lying wounded persons, or both sitting and lying wounded persons at the same time. It can be adjusted according to the situation at the rescue site. The operation steps are as above. The utility model drives the secondary support platform 5, the primary support platform 6, and the stretcher platform 10 through a swing rod, so that the stretcher platform 10 is low from the ground, which is convenient for the wounded to get on and off the stretcher. The stretcher 11 and the stretcher platform 10 are easy and quick to disassemble and assemble, which indirectly shortens the time for transporting the wounded, so that the wounded can receive timely treatment.

[0053] The utility model has the advantages of ingenious structure, the stretcher is extended out of the carriage close to the ground, the wounded are convenient to get on and off the carriage, the rescue is timely, the wounded can sit or lie, and the stretcher is convenient to disassemble and assemble.

Claims

1. A stretcher device, comprising a box, wherein a stretcher assembly (1) is arranged in the box, characterized in that: The stretcher assembly (1) is provided with a stretcher height adjustment mechanism (2), and the stretcher assembly (1) is connected to the compartment body via the stretcher height adjustment mechanism (2).

2. A stretcher device according to claim 1, characterized in that: The stretcher height adjustment mechanism (2) comprises a front swing rod (3), a rear swing rod (4), a secondary support platform (5), a primary support platform (6), a front drive electric push rod (7), a telescopic drive motor (8), a front pulley, a rear pulley, and a belt (9); the stretcher assembly (1) comprises a stretcher platform (10) and a stretcher (11); front swing rods (3) are provided on both sides of the front portion of the lower portion of the stretcher platform (10); rear swing rods (4) are provided on both sides of the rear portion of the lower portion of the stretcher platform (10); a secondary support platform (5) is provided at the lower end of the stretcher platform (10); a primary support platform (6) is provided at the lower end of the secondary support platform (5); the upper end of the front swing rod (3) is hinged to the primary support platform (6), and the lower end is hinged to the bottom plate of the box body; the front swing rod (3) is driven by the front drive electric push rod (7), and the upper end of the rear swing rod (4) is hinged to the bottom plate of the box body; The first end of the first support platform (6) is hinged to the first support platform (6), and the lower end is hinged to the bottom plate of the box body. The first support platform (6) is slidably connected to the second support platform (5), and the second support platform (5) is slidably connected to the stretcher platform (10). The second support platform (5) is provided with a telescopic drive motor (8). Front pulleys are provided on both sides of the front of the second support platform (5), and rear pulleys are provided on both sides of the rear. The front pulleys correspond to the rear pulleys one by one. The front pulleys are connected to the rear pulleys through a belt (9). The front pulleys and the rear pulleys are fixedly connected to the second support platform (5) through a wheel shaft and a bearing respectively. The front pulleys or the rear pulleys are driven by the telescopic drive motor (8). One side of the belt (9) along the sliding direction is fixedly connected to the first support platform (6), and the other side is fixedly connected to the stretcher platform (10).

3. A stretcher device according to claim 2, characterized in that: The front swing arm (3) comprises a front swing arm upper section (12) and a front swing arm lower section (13); the front swing arm upper section (12) and the front swing arm lower section (13) are L-shaped; the lower end of the front swing arm upper section (12) is fixedly connected to the upper end of the front swing arm lower section (13); the primary support platform (6) is hinged to the front swing arm upper section (12); the telescopic rod of the front drive electric push rod (7) is hinged to the front swing arm lower section (13); and the base of the front drive electric push rod (7) is hinged to the bottom plate of the vehicle body.

4. A stretcher device according to claim 2 or 3, characterized in that: The stretcher (11) is detachably connected to the stretcher platform (10).

5. A stretcher device according to claim 4, characterized in that: Stretcher guide grooves (16) are provided on both sides of the stretcher platform (10), and legs (17) are fixed on both sides of the lower end of the stretcher (11), and the legs (17) cooperate with the stretcher guide grooves (16), and the legs (17) and the stretcher guide grooves (16) are plugged and fixed.

6. A stretcher device according to claim 5, characterized in that: The stretcher guide groove (16) is provided with a limit pin hole, and the support leg (17) is connected to the stretcher platform (10) in a limit manner via a locking pin (19).

7. A stretcher device according to claim 6, characterized in that: The stretcher platform (10) is provided with a locking pin driving assembly (20), and the locking pin driving assembly (20) comprises a support plate (21), a driving rod (22), a driving handle (24), a connecting rod (25), and a hinge rod (28). The stretcher platform (10) is provided with support plates (21) at intervals from front to back, and the left and right ends of the support plates (21) are respectively fixedly connected to the stretcher platform (10). The support plate (21) is provided with guide holes, and a driving rod (22) is provided between the two stretcher guide grooves (16). The driving rod (22) passes through the guide holes in sequence. A driving handle (24) is provided in the through hole, the driving rod (22) is slidably connected to the support plate (21), the driving rod (22) is provided with at least one connecting rod (25) from front to back, the driving handle (24) is hinged to the driving rod (22), the driving handle (24) is slidably connected to the stretcher platform (10), the connecting rod (25) is fixedly connected to the driving rod (22), and hinge rods (28) are respectively provided at both ends of the connecting rod (25), one end of the hinge rod (28) is hinged to the connecting rod (25), and the other end is hinged to the locking pin (19).

8. A stretcher device according to claim 7, characterized in that: The driving rod (22) is sleeved with a spring (26), and the outer wall of the driving rod (22) is provided with a spring limit platform (27). The spring limit platform (27) is fixedly connected to the driving rod (22), and one end of the spring (26) abuts against the spring limit platform (27), and the other end abuts against the support plate (21).

9. A stretcher device according to claim 6, 7 or 8, characterized in that: The locking pin (19) is a spring pin.

10. A stretcher device according to claim 2 or 3 or 5 or 6 or 7 or 8, characterized in that: A rescue seat (29) is provided in the compartment, and a seat connection mechanism (30) is provided on the rescue seat (29). The seat connection mechanism (30) comprises a seat support rod (31), a fixing seat (32), and a locking pin (33). A seat support rod (31) is provided on one side of the rescue seat (29), and a positioning hole is provided on the side of a seat plate (34) of the rescue seat (29). One end of the seat support rod (31) is fixedly connected to the rescue seat (29), and the other end is rotatably connected to the inner wall of the compartment. The seat plate (34) of the rescue seat (29) abuts against the stretcher platform (10). A fixing seat (32) is provided on the inner wall of the compartment, and the fixing seat (32) is fixedly connected to the inner wall of the compartment. A locking hole is provided on the fixing seat (32), and the locking pin (33) passes through the locking hole and the positioning hole to limit and fix the rescue seat (29) on the inner wall of the compartment.

11. A stretcher device according to claim 1 or 2 or 3 or 5 or 6 or 7 or 8, characterized in that: The stretcher assembly (1) comprises an upper stretcher assembly (37) and a lower stretcher assembly (38); the upper stretcher assembly (37) is located above the lower stretcher assembly (38); the stretcher platform of the upper stretcher assembly (37) is connected to the box body via a stretcher height adjustment mechanism; and the stretcher platform of the lower stretcher assembly (38) is connected to the box body via the stretcher height adjustment mechanism.

12. A stretcher device according to claim 2 or 3 or 5 or 6 or 7 or 8, characterized in that: The stretcher assembly (1) comprises an upper stretcher assembly (37) and a lower stretcher assembly (38); the stretcher platform of the upper stretcher assembly (37) is connected to the box body via a stretcher height adjustment mechanism; one end of the primary support platform of the upper stretcher assembly (37) is hinged to a front swing rod on one side thereof; the other end of the primary support platform of the upper stretcher assembly (37) is detachably connected to the front swing rod on the other side thereof; one end of the secondary support platform of the upper stretcher assembly (37) is hinged to a rear swing rod on one side thereof; the other end of the secondary support platform of the upper stretcher assembly (37) is detachably connected to the rear swing rod on the other side thereof.

13. A rescue vehicle, comprising a chassis, characterized in that: The chassis is provided with the stretcher device according to any one of claims 1 to 12, and the compartment is fixedly connected to the chassis.

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