阅读说明：本技术 一种救护车用救护床 (Ambulance cot for ambulance ) 是由 刘鹏程 于 2020-07-02 设计创作，主要内容包括：本发明涉及救护床技术领域,公开了一种救护车用救护床,包括床体、用于锁紧固定所述床体的夹持机构及用于带动所述夹持机构移动的驱动机构,所述夹持机构包括两相对设置的夹爪及用于带动所述夹爪相对运动或者相背运动的第一气缸,所述第一气缸固定于安装座上,所述安装座通过固定座安装于驱动机构上；所述驱动机构包括安装于救护车车内的轨道、滑动设置于所述轨道上的滑座及用于带动所述滑座沿所述轨道长度方向移动的驱动电机；所述轮支撑架与所述床面支架间还设有拉伸驱动机构,用于调节所述轮支撑架与所述床面支架间的角度；该救护床在放置于救护车内时能够锁定,防止救护床发生晃动或者移动的情况,提高救护床使用过程中的安全性。(The invention relates to the technical field of ambulance beds, and discloses an ambulance bed for an ambulance, which comprises a bed body, a clamping mechanism and a driving mechanism, wherein the clamping mechanism is used for locking and fixing the bed body, the driving mechanism is used for driving the clamping mechanism to move, the clamping mechanism comprises two clamping jaws which are oppositely arranged, and a first air cylinder which is used for driving the clamping jaws to move relatively or back to back, the first air cylinder is fixed on a mounting seat, and the mounting seat is mounted on the driving mechanism through a fixing seat; the driving mechanism comprises a track arranged in the ambulance, a sliding seat arranged on the track in a sliding manner and a driving motor used for driving the sliding seat to move along the length direction of the track; a stretching driving mechanism is further arranged between the wheel supporting frame and the bed surface support and is used for adjusting the angle between the wheel supporting frame and the bed surface support; the ambulance cot can be locked when being placed in an ambulance, so that the ambulance cot is prevented from shaking or moving, and the safety of the ambulance cot in the using process is improved.)

1. An ambulance cot for an ambulance comprises a bed body (10), and is characterized by further comprising a clamping mechanism (20) for locking and fixing the bed body (10) and a driving mechanism (30) for driving the clamping mechanism (20) to move, wherein the clamping mechanism (20) comprises two clamping jaws (21) arranged oppositely and a first air cylinder (22) for driving the clamping jaws (21) to move relatively or oppositely, the first air cylinder (22) is fixed on a mounting seat (23), and the mounting seat (23) is mounted on the driving mechanism (30) through a fixing seat (24); the driving mechanism (30) comprises a track (31) arranged in the ambulance, a sliding seat (32) arranged on the track (31) in a sliding manner and a driving motor (33) used for driving the sliding seat (32) to move along the length direction of the track (31);

the bed body (10) comprises a bed surface support (11) and moving wheels (12), the moving wheels (12) are rotatably connected with the bed surface support (11) through wheel support frames (13), and stretching driving mechanisms (40) are further arranged between the wheel support frames (13) and the bed surface support (11) and used for adjusting angles between the wheel support frames (13) and the bed surface support (11).

2. The ambulance cot according to claim 1, wherein said stretching driving mechanism (40) comprises two second cylinders (41) rotatably connected to said bed-plate holder (11), respectively, one of said second cylinders (41) being rotatably connected to the other of said second cylinders (41) and enclosing a triangle with said bed-plate holder (11), and said second cylinder (41) being connected to said wheel support frame (13) by a stretching rod (42).

3. An ambulance cot according to claim 2, wherein links (14) are provided between the wheel supports (13) at both ends of said bed support (11), and each of said links (14) is provided with at least one set of said stretching driving mechanism (40).

4. The ambulance cot according to claim 1, wherein said bed body (10) is provided with a fixing bracket (15) equipped with two said clamping jaws (21), a pressure sensor is further provided between two said clamping jaws (21), when said fixing bracket (15) presses said pressure sensor, said pressure sensor transmits a signal sensed by said pressure sensor to a controller, said controller controls a first cylinder (22) electrically connected thereto to operate so as to clamp said fixing bracket (15) and fix said bed body (10).

5. The ambulance cot according to claim 4, wherein the fixing base (24) is further provided with a guide rail, the mounting base (23) is slidably inserted into the guide rail, and a lifting cylinder (25) is further disposed between the mounting base (23) and the fixing base (24), wherein the lifting cylinder (25) is used for driving the mounting base (23) to move up and down relative to the fixing base (24).

6. The ambulance cot according to claim 1, wherein said track (31) comprises a driving track and a sliding track, wherein a lead screw is connected to an output end of said driving motor (33), said lead screw is mounted in said driving track through a bearing, and said slide carriage (32) is threadedly connected to said lead screw; and the sliding seat (32) is provided with a pulley at the position corresponding to the sliding rail so as to reduce the friction force between the sliding seat (32) and the rail (31).

7. The ambulance cot according to claim 8, wherein said track (31) is further provided with a position-limiting guide track on both sides thereof, and said carriage (32) is provided with a groove on both ends thereof for matching with said position-limiting guide track.

8. The ambulance cot according to claim 1, wherein said deck bracket (11) comprises a fixed surface bracket (111) and a backrest surface bracket (112) rotatably connected to said fixed surface bracket (111).

9. The ambulance cot according to claim 8, wherein a rotary jacking mechanism (50) for adjusting a rotation angle of said back support (112) is further provided between said back support (112) and said fixed support (111).

10. The ambulance cot according to claim 9, wherein said rotary jacking mechanism (50) comprises a support rod (51) rotatably connected to said backrest support (112) and said fixed-surface support (111), respectively, and a rotary jacking cylinder (52) for supporting said support rod (51), said rotary jacking cylinder (52) being rotatably connected to said support rod (51) and said fixed-surface support (111), respectively.

Technical Field

The invention relates to the technical field of ambulance cots, in particular to an ambulance cot for an ambulance.

Background

Ambulances are equipped with ambulance cots which are usually provided with moving wheels for moving convenience, and when the ambulances are placed in the ambulances, devices for fixing the ambulances are usually not provided, so that the ambulances are easy to shake when encountering bumpy roads during driving. Particularly, medical staff are required to support the ambulance cot at the moment of driving the ambulance door, otherwise, the ambulance cot can slide out of the ambulance, which is very dangerous.

Meanwhile, the height of the carriage of the existing ambulance from the ground is 30-40cm, at least two medical personnel are required to lift the ambulance in order to put the ambulance into the carriage of the ambulance, the ambulance lifting and putting difficulty of the medical personnel is higher when moving and transferring obese patients, and particularly in the process of moving the ambulance bed out of the ambulance, the situation that the ambulance bed slides too fast and the medical personnel does not support and stabilize the ambulance bed often occurs, so that the ambulance shakes violently, and the patient with wounds is damaged greatly.

Disclosure of Invention

In view of the disadvantages of the prior art, an object of the present invention is to provide an ambulance cot for an ambulance, which can be locked when being placed in the ambulance, thereby preventing the ambulance cot from shaking or moving during the driving of the ambulance or at the moment when the ambulance is driven, protecting a patient, and improving the safety of the ambulance cot during the use.

In order to achieve the above purpose, the invention provides the following technical scheme:

an ambulance cot for an ambulance comprises a cot body, a clamping mechanism and a driving mechanism, wherein the clamping mechanism is used for locking and fixing the cot body, the driving mechanism is used for driving the clamping mechanism to move, the clamping mechanism comprises two clamping jaws which are oppositely arranged, and a first air cylinder is used for driving the clamping jaws to move relatively or oppositely, the first air cylinder is fixed on a mounting seat, and the mounting seat is mounted on the driving mechanism through a fixing seat; the driving mechanism comprises a track arranged in the ambulance, a sliding seat arranged on the track in a sliding manner and a driving motor used for driving the sliding seat to move along the length direction of the track;

the bed body comprises a bed surface support and a movable wheel, the movable wheel is rotatably connected with the bed surface support through a wheel support frame, and a stretching driving mechanism is further arranged between the wheel support frame and the bed surface support and used for adjusting the angle between the wheel support frame and the bed surface support.

In the invention, preferably, the stretching driving mechanism includes two second cylinders respectively rotatably connected to the bed surface support, one of the second cylinders is rotatably connected to the other of the second cylinders, and forms a triangle with the bed surface support, and the second cylinder is connected to the wheel support through a stretching rod.

In the invention, preferably, a connecting rod is arranged between the wheel supporting frames positioned at the two ends of the bed surface bracket, and each connecting rod is at least provided with one group of stretching driving mechanisms.

In the invention, preferably, the bed body is provided with a fixed support matched with the two clamping jaws, a pressure sensor is further arranged between the two clamping jaws, when the fixed support extrudes the pressure sensor, the pressure sensor transmits a signal sensed by the pressure sensor to the controller, and the controller controls a first air cylinder electrically connected with the controller to operate so as to clamp the fixed support and fix the bed body.

In the invention, preferably, the fixing seat is further provided with a guide rail, the mounting seat is inserted into the guide rail in a sliding manner, and a lifting cylinder is further arranged between the mounting seat and the fixing seat and is used for driving the mounting seat to move up and down relative to the fixing seat.

In the invention, preferably, the rail comprises a driving rail and a sliding rail, an output end of the driving motor is connected with a screw rod, the screw rod is installed in the driving rail through a bearing, and the sliding seat is in threaded connection with the screw rod; and the sliding seat is provided with a pulley at the position corresponding to the sliding rail so as to reduce the friction force between the sliding seat and the rail.

In the invention, preferably, two sides of the rail are also provided with a limiting guide rail, and two ends of the sliding seat are provided with grooves matched with the limiting guide rails.

In the present invention, preferably, the bed surface support includes a fixed surface support and a backrest surface support rotatably connected to the fixed surface support.

In the present invention, preferably, a rotary jacking mechanism for adjusting a rotation angle of the backrest face bracket is further provided between the backrest face bracket and the fixed face bracket.

In the present invention, preferably, the rotary jacking mechanism includes a support rod rotatably connected to the backrest support and the fixed support, and a rotary jacking cylinder for supporting the support rod, and the rotary jacking cylinder is rotatably connected to the support rod and the fixed support.

Compared with the prior art, the invention has the beneficial effects that:

the clamping mechanism arranged on the ambulance cot locks the ambulance cot when the ambulance cot is placed in an ambulance, prevents the ambulance cot from shaking or moving in the driving process of the ambulance or at the moment when the ambulance drives a door, plays a role in protecting a patient, and improves the safety of the ambulance cot in the using process;

meanwhile, the driving mechanism arranged on the ambulance cot can control the speed of the ambulance cot moving out of the ambulance, and prevent the ambulance cot from sliding too fast and medical staff from not holding the ambulance cot stably.

Drawings

FIG. 1 is a schematic view of an ambulance cot for an ambulance.

Fig. 2 is a top view of an ambulance cot of fig. 1.

Fig. 3 is a rear view of an ambulance cot of fig. 1.

Fig. 4 is a side view of an ambulance cot of fig. 1.

FIG. 5 is a schematic view of the ambulance cot used in this ambulance controlling the height of the bed and the angle of the backrest.

FIG. 6 is a schematic view of an ambulance cot used in an ambulance from another perspective.

FIG. 7 is a schematic view of a clamping mechanism and a driving mechanism in an ambulance cot used in an ambulance.

FIG. 8 is a schematic view of a clamp mechanism in an ambulance cot for an ambulance.

In the drawings: 10-a bed body, 11-a bed surface bracket, 111-a fixed surface bracket, 112-a backrest surface bracket, 12-a movable wheel, 13-a wheel support frame, 14-a connecting rod, 15-a fixed bracket, 20-a clamping mechanism, 21-a clamping jaw, 22-a first cylinder, 23-a mounting seat, 24-a fixed seat, 25-a lifting cylinder, 30-a driving mechanism, 31-a track, 32-a sliding seat, 33-a driving motor, 40-a drawing driving mechanism, 41-a second cylinder, 42-a drawing rod, 50-a rotating jacking mechanism, 51-a supporting rod and 52-a rotating jacking cylinder.

Detailed Description

Referring to fig. 1 to 8, a preferred embodiment of the present invention provides an ambulance cot for an ambulance, which includes a bed body 10, a clamping mechanism 20 for locking and fixing the bed body 10, and a driving mechanism 30 for driving the clamping mechanism 20 to move, wherein the clamping mechanism 20 includes two clamping jaws 21 disposed opposite to each other and a first cylinder 22 for driving the clamping jaws 21 to move relatively or back to back, the first cylinder 22 is fixed on a mounting seat 23, and the mounting seat 23 is mounted on the driving mechanism 30 through a fixing seat 24; the driving mechanism 30 comprises a rail 31 installed in the ambulance, a sliding seat 32 slidably arranged on the rail 31, and a driving motor 33 for driving the sliding seat 32 to move along the length direction of the rail 31; the clamping mechanism 20 locks the ambulance cot positioned in the ambulance, prevents the ambulance cot from shaking or moving during the driving process of the ambulance or at the moment when the ambulance opens the door, protects a patient, and improves the safety of the ambulance cot during the use process.

Further, the rail 31 includes a driving rail and a sliding rail, an output end of the driving motor 33 is connected with a lead screw, the lead screw is installed in the driving rail through a bearing, the sliding seat 32 is in threaded connection with the lead screw, and the driving motor 33 operates to drive the lead screw to rotate, so as to drive the sliding seat 32 to move along the driving rail; pulleys are arranged at the positions of the sliding seat 32 corresponding to the sliding rails, so that the friction force between the sliding seat 32 and the rails 31 is reduced; the two sides of the track 31 are also provided with limiting guide tracks, the two ends of the slide seat 32 are provided with grooves matched with the limiting guide tracks, and the sliding direction of the slide seat 32 can be controlled.

The bed body 10 comprises a bed surface support 11 and a moving wheel 12, the moving wheel 12 is rotatably connected with the bed surface support 11 through a wheel support frame 13, and a stretching driving mechanism 40 is further arranged between the wheel support frame 13 and the bed surface support 11 and used for adjusting the angle between the wheel support frame 13 and the bed surface support 11 to realize height adjustment of the bed surface support 11.

In this embodiment, the stretching driving mechanism 40 includes two second cylinders 41 respectively rotatably connected to the bed surface support 11, one of the second cylinders 41 is rotatably connected to the other second cylinder 41 and forms a triangle with the bed surface support 11, the second cylinder 41 is connected to the wheel support 13 through a stretching rod 42, and the stretching rod 42 is an existing hydraulic rod capable of stretching and restoring to an original length under pressure; connecting rods 14 are arranged between the wheel supporting frames 13 positioned at the two ends of the bed surface bracket 11, and each connecting rod 14 is provided with two groups of stretching driving mechanisms 40 in the embodiment.

In this embodiment, the bed body 10 is provided with a fixing support 15 equipped with two clamping jaws 21, a pressure sensor is further arranged between the two clamping jaws 21, when the fixing support 15 presses the pressure sensor, the pressure sensor transmits a signal sensed by the pressure sensor to a controller, and the controller controls a first air cylinder 22 electrically connected with the controller to operate so as to clamp the fixing support 15 and fix the bed body 10, so that the operation is simpler and more convenient, and automatic clamping can be realized.

In this embodiment, the fixing seat 24 is further provided with a guide rail, the mounting seat 23 is inserted into the guide rail in a sliding manner, a lifting cylinder 25 is further disposed between the mounting seat 23 and the fixing seat 24, and the lifting cylinder 25 is used for driving the mounting seat 23 to move up and down relative to the fixing seat 24, so as to control the positions of the two clamping jaws 21, and is suitable for the ambulance cot with different positions of the fixing bracket 15.

Further, the bed surface support 11 includes a fixed surface support 111 and a backrest surface support 112 rotatably connected to the fixed surface support 111, and a rotary jacking mechanism 50 for adjusting a rotation angle of the backrest surface support 112 is further disposed between the backrest surface support 112 and the fixed surface support 111; the rotating jacking mechanism 50 comprises a supporting rod 51 and a rotating jacking cylinder 52, the supporting rod 51 is rotatably connected with the backrest face support 112 and the fixed face support 111 respectively, the rotating jacking cylinder 52 is rotatably connected with the supporting rod 51 and the fixed face support 111 respectively, the angle of the backrest face support 112 is adjusted through the rotating jacking mechanism 50, and a patient can conveniently lie on his back or sit on his back.

The working principle is as follows:

when the ambulance cot is put into the carriage, the second cylinder 41 connected with the stretching rod 42 is contracted, and the second cylinder 41 not connected with the stretching rod 42 is extended, so that the wheel support frame 13 rotates towards the bed surface bracket 11, and the bed surface is adjusted to be lowered relative to the carriage surface; meanwhile, the lifting cylinder 25 works to drive the mounting seat 23 to ascend relative to the fixing seat 24, so that the fixing support 15 is positioned between the two clamping jaws 21;

when the ambulance cot moves into the carriage to cause the fixed support 15 to touch the pressure sensor, the pressure sensor transmits a signal sensed by the pressure sensor to the controller, the controller controls the first cylinder 22 to operate, and the two clamping jaws 21 move relatively to clamp the fixed support 15, so that the bed body 10 is fixed;

when the ambulance cot needs to be moved out of the carriage, the driving motor 33 works to drive the screw rod to rotate, so as to drive the slide carriage 32 to move along the driving track; when the moving wheels 12 positioned on the front side of the bed body 10 move out of the carriage or in the moving process, the controller controls the second air cylinder 41 connected with the stretching rod 42 to extend, and the second air cylinder 41 not connected with the stretching rod 42 contracts, so that the wheel support frame 13 rotates towards the other direction of the bed surface support 11, the moving wheels 12 on the front side of the bed body 10 touch the ground first, and the unstable situation of the wheels in the moving process of the ambulance cot is reduced; then, the moving wheels 12 positioned at the rear side of the bed body 10 repeat the operation until the front and rear groups of moving wheels 12 touch the ground, and at the moment, the ambulance cot is basically stable; at this time, the driving motor 33 stops working, and the first cylinder 22 is operated, so that the two clamping jaws 21 move back and forth to loosen the fixed support 15, namely, loosen the bed body 10; the ambulance cot prevents the ambulance cot from shaking or moving in the driving process of an ambulance or at the moment of driving the ambulance, plays a role in protecting a patient, and improves the safety of the ambulance cot in the using process; the speed of the ambulance cot moving out of the ambulance is also controlled to prevent the ambulance cot from sliding too fast and medical personnel from not holding the ambulance cot steady.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.