CN113925692B - A kind of ambulance first-aid bed that avoids secondary injury - Google Patents

Abstract

The invention belongs to the field of medical equipment in emergency departments, and relates to an ambulance emergency cot capable of avoiding secondary injury, which comprises a cot body, wherein the upper end of the cot body is provided with a cot board, a patient transferring device is arranged in the cot board and is used for transferring a patient without causing secondary injury, a transmission cavity is arranged in the cot body, and a lifting device is arranged in the transmission cavity and is used for adjusting an angle when transferring the patient. When the ambulance is used for transporting the sick and wounded, the probability of secondary injury to the sick and wounded in the transportation process is reduced by the way of lifting the inflatable cushion and translating the bracket, and meanwhile, the buffer device can be used for relieving physiological discomfort symptoms of the sick and wounded caused by vibration of the ambulance, and can be fixed in the ambulance to prevent displacement of equipment in the ambulance when the ambulance starts or brakes.

Description

A kind of ambulance first-aid bed that avoids secondary injury

technical field

The invention belongs to the field of emergency medical equipment, in particular to an ambulance emergency bed for avoiding secondary injuries.

Background technique

The emergency bed equipped on the ambulance is a university equipment that transfers the wounded and sick from the injury scene to the hospital. However, in the existing emergency beds, there are generally only simple functions of moving, raising and lowering the bed, and letting the patient lie down. In the process of lifting the patient onto the emergency bed, because the force cannot be uniformly applied to the injured patient, it may cause the injured patient to receive secondary injuries, which is very unfavorable to the treatment of the patient, and the ambulance due to the special tasks performed Usually, the driving speed is fast, and it is easy to cause the movement of the emergency bed when the ambulance starts or decelerates, and the bumps caused during the driving process will directly affect the patient because there is no buffer device.

Contents of the invention

The purpose of the present invention is to solve the above-mentioned problems in the existing technology, and propose an ambulance emergency bed that avoids secondary injuries. Chance of damage occurring.

The object of the present invention can be achieved through the following technical solutions: an ambulance emergency bed for avoiding secondary injuries, comprising a bed body, a bed board is provided at the upper end of the bed body, a patient transfer device is arranged in the bed board, and the patient transfer device It is used to transfer the patient without causing secondary injury. The bed body is provided with a transmission chamber, and a lifting device is provided in the transmission chamber. The lifting device is used for adjusting the angle when transferring the patient. The lower end of the bed body is provided with There is a mobile device, which is used to quickly transfer the patient and reduce the impact to protect the patient when the ambulance encounters bumps. The two ends of the bed are equipped with transfer protection devices, which are used to protect the patient while the ambulance is driving.

Preferably, the patient transfer device includes a bed board arranged on the upper end of the bed body, the bed board is fixedly provided with bed board lifting lugs, the bed board lifting lugs are rotatably connected with the bed body, an air cushion accommodation cavity is provided inside the bed board, and the An elastic metal sheet is slid in the air cushion storage cavity, and an air pump is fixed on the left end of the elastic metal sheet, and a rubber air cushion is fixed on the upper end of the elastic metal sheet, and the rubber air cushion is connected with the air pump by a trachea. A bracket push rod cavity is arranged in the bed board, and a steel pipe bracket is slid in the bracket push rod cavity.

Preferably, the lower part of the steel pipe support is a long block, the upper part of the steel pipe support is a steel pipe arranged in a comb shape, and the upper end of the steel pipe support is fixed with a leather shell sponge strip, and the width of the leather shell sponge strip is smaller than that of the steel pipe support diameter, the length of the cortical shell sponge strip is less than the length of the steel pipe support, the first handle is fixed on the outside of the front and rear ends of the bed board, and the bed board is provided with a second roller when rotating at the right end of the steel pipe support. The lower end of the bed board is rotatably provided with a support rod.

Preferably, the lifting device includes a fixed lifting lug fixed in the transmission cavity, a transmission shaft is rotated on the fixed lifting lug, a hand wheel is fixed at the left end of the transmission shaft, and the hand wheel A third handle is provided for rotation, a worm is fixed at the right end of the transmission shaft, a worm wheel is rotated at the rear side of the worm, and a gear is fixed on the worm wheel. A chute is provided at the lower end of the cavity, and a rack installation block is slid in the chute, four fourth rollers are rotated at the lower end of the rack installation block, and a rack is fixed at the upper end of the rack installation block. The rack is meshed with the gear, the right end of the rack is rotatably connected to the pole, the right end of the bed body is provided with a storage chamber, and the storage chamber is provided with a support auxiliary rod.

Preferably, the moving device includes two first lifting lugs fixed on the lower end of the bed body, a second handle is fixed on each of the two first lifting lugs, and two steel wire ropes are fixed on the second handle , the lower end of the bed is fixed with two second lifting lugs, the bed is fixed with a fourth lifting lug on the front side of the two second lifting lugs, and the two second lifting lugs rotate A first connecting rod is provided, and the wire rope is fixedly connected to the first connecting rod by bypassing the fourth lifting eye. There are four third lifting lugs, each of the four third lifting lugs is provided with a support rod, and the lower end of the support rod is rotated to be provided with a rotating table, and the rotating table is provided with a fifth roller, and the second The lower end of the connecting rod is rotatably connected with the support rod.

Preferably, the transfer protection device includes a first shock absorber fixed on both sides of the bed body, the lower end of the first shock absorber is rotated with a first roller, and the front end of the bed body is rotated with a second shock absorber. shock absorber, the two sides of the front end of the bed body are rotated with suspension blocks, the suspension blocks are rotatably connected with the second shock absorber, the suspension blocks are rotated with a third roller, and the lower side of the suspension blocks is rotated A brake strut is provided, a return spring is connected between the brake strut and the suspension block, the other end of the brake strut is rotated with a brake block, and the middle part of the brake strut is fixed with a As for the lever, six safety belt lugs are fixedly arranged on both sides of the bed body.

When the patient needs to be transferred to the hospital, the emergency bed is moved to the side of the patient, the second handle is pulled by hand, the wire rope pulls the first connecting rod and rotates counterclockwise to retract the support rod, and the height of the bed body is lowered to the first roller and the third roller In contact with the ground, turn the third handle out of the hand wheel, and use the third handle to make the hand wheel rotate quickly. The transmission shaft rotates with the hand wheel in the fixed lug, and the worm follows the hand wheel. Make the worm wheel rotate, the coaxial rotation of the gear and the worm wheel makes the rack move to the right, the bed board is lifted by the support rod and rotates clockwise around the bed board lifting lug at a certain angle, pushes the elastic metal sheet to the right and under the patient, and the air pump inflates the rubber air cushion Support the patient's body, push the steel pipe bracket to the right under the patient through the first handle, install the bracket auxiliary rod on the other side of the steel pipe bracket, and the transmission chamber draws air from the rubber air cushion to separate the rubber air cushion from the patient's body. Directly contact the sponge strip of the leather shell, retract the elastic metal sheet into the air cushion storage chamber, use the first handle to retract the steel pipe bracket and the sponge strip of the leather shell into the bed board, turn the third handle in the opposite direction to return the bed board to a horizontal state, and remove the bracket auxiliary rod Put it into the storage chamber, install the safety belt on the safety belt lug and bind the patient, lift the bed upwards, the support rod rotates counterclockwise to the vertical position with the ground under the action of gravity, the first connecting rod and the second The connecting rod supports the support rod in a straight line, push the bed to the ambulance, pull the second handle to retract the support rod, push the bed into the ambulance through the rolling of the first roller and the third roller, and use your feet to move down. Understand the lever to rotate the brake strut counterclockwise to the vertical position with the horizontal plane, the brake block contacts the floor of the carriage to support the third roller, and the anti-skid structure on the surface of the brake block prevents the bed body from shifting in the carriage. During the running of the vehicle, the second shock absorber and the first shock absorber play a role in reducing impact and slowing down the discomfort caused by road conditions during the transfer of the patient.

Compared with the prior art, the ambulance emergency bed for avoiding secondary injury has the following advantages:

1. Evenly apply force to the wounded and sick when transferring the wounded and sick from the injury scene to the emergency bed, effectively reducing the possibility of secondary injury to the wounded and sick when moving the wounded and sick.

2. With brake anti-skid function, it can avoid secondary injury to the patient caused by the movement of the emergency bed when the ambulance starts or decelerates.

3. It can buffer the vibration and avoid the physical discomfort of the wounded and sick caused by the vibration during the driving of the ambulance.

Description of drawings

Fig. 1 is the structure schematic diagram of the ambulance first-aid cot which avoids secondary injury.

Fig. 2 is a sectional view along A-A direction in Fig. 1 .

Fig. 3 is a partially enlarged sectional view along B-B direction in Fig. 2 .

Fig. 4 is a partial enlarged sectional view along C-C direction in Fig. 3 .

Fig. 5 is a partial top view of the support structure.

Figure 6 is a partial front view of the support structure.

Fig. 7 is a structural diagram of the support auxiliary rod.

Figure 8 is an enlarged view of the structure at D in Figure 1

In the figure, 10, bed body; 11, bed board; 12, first handle; 13, first lifting lug; 14, second handle; 15, steel wire rope; 16, second lifting lug; 17, first connecting rod; 18 , the first shock absorber; 19, the first roller; 20, the second connecting rod; 21, the third lug; 22, the support rod; 23, the bed lug; 24, the rubber air cushion; 25, the elastic metal sheet; 26 , Seat belt lug; 27, Second roller; 28, Steel pipe bracket; 29, Sponge bar of leather shell; 30, Support auxiliary rod; 31, Second shock absorber; 32, Suspension block; 33, Third roller; 34 , brake strut; 35, air pump; 36, transmission chamber; 37, hand wheel; 38, third handle; 39, transmission shaft; 40, fixed lug; 41, worm; 42, worm gear; 43, Gear; 44, rack; 45, rack mounting block; 46, fourth roller; 47, chute; 48, storage chamber; 49, bracket push rod chamber; 50, air cushion accommodation chamber; 51, pole; 52 , return spring; 53, brake block; 54, driving lever; 55, turntable; 56, the fifth roller; 57, the fourth lug.

Detailed ways

The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

As shown in Figures 1 and 2, an ambulance emergency bed for avoiding secondary injuries includes a bed body 10, a bed board 11 is provided at the upper end of the bed body 10, and a patient transfer device is arranged inside the bed board 11, and the patient transfer device is used to The patient is transferred without causing secondary injury. A transmission chamber 36 is provided in the bed body 10. A lifting device is provided in the transmission chamber 36. The lifting device is used to adjust the angle when transferring the patient. The lower end of the bed body 10 is provided with a moving device. The mobile device is used to quickly transfer the patient and protect the patient by cushioning the impact when the ambulance runs into bumps. The two ends of the bed body 10 are provided with transfer protection devices, which are used to protect the patient while the ambulance is driving.

As shown in Figures 1 and 2, the patient transfer device includes a bed board 11 arranged on the upper end of the bed body 10, the bed board 11 is fixedly provided with bed board lifting lugs 23, the bed board lifting lugs 23 are rotatably connected with the bed body 10, and the bed board 11 is provided with an air cushion The storage cavity 50, the air cushion storage cavity 50 is slidingly provided with an elastic metal sheet 25, the left end of the elastic metal sheet 25 is fixed with an air pump 35, the upper end of the elastic metal sheet 25 is fixed with a rubber air cushion 24, and the rubber air cushion 24 and the air pump 35 have a trachea Connect, be provided with support push rod cavity 49 in bed board 11, be provided with steel pipe support 28 slidingly in support push rod cavity 49.

As shown in Figure 1, Figure 2, Figure 5 and Figure 6, the lower part of the steel pipe support 28 is a long block, the upper part of the steel pipe support 28 is a steel pipe arranged in a comb shape, and the upper end of the steel pipe support 28 is fixed with a leather shell sponge strip 29, the leather shell The width of sponge bar 29 is less than the diameter of steel pipe support 28, and the length of cortical shell sponge bar 29 is less than the length of steel pipe support 28. The roller 27 is provided with a pole 51 for rotation at the lower end of the bed board 11 .

As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 7, the lifting device includes a fixed lug 40 fixed in the transmission cavity 36, a transmission shaft 39 is arranged on the fixed lug 40, and a transmission shaft 39 is fixed on the left end of the transmission shaft. The hand-operated runner 37 is provided with a third handle 38 for rotation of the hand-operated runner 37, and the right end of the transmission shaft 39 is fixedly provided with a worm screw 41. Gear 43, bed body 10 is provided with chute 47 at the inner lower end of transmission cavity 36, is provided with rack mounting block 45 slidingly in chute 47, and the lower end of rack mounting block 45 is rotated and is provided with four fourth rollers 46, and rack is installed The upper end of the block 45 is fixed with a rack 44, the rack 44 meshes with the gear 43, the right end of the rack 44 is rotatably connected with the pole 51, the right end of the bed body 10 is provided with a storage chamber 48, and the storage chamber 48 is provided with a support to assist Rod 30.

As shown in Figures 1 and 8, the mobile device includes two first lifting lugs 13 fixed on the lower end of the bed body 10, and a second handle 14 is respectively rotated on the two first lifting lugs 13, and a second handle 14 is fixed on the second handle 14. Two steel wire ropes 15 are provided, and two second lifting lugs 16 are fixedly arranged at the lower end of the bed body 10. The bed body 10 is respectively fixed with a fourth lifting lug 57 on the front side of the two second lifting lugs 16. Each ear 16 is rotated to be provided with a first connecting rod 17, and the steel wire rope 15 is fixedly connected with the first connecting rod 17 around the fourth lifting ear 57. Four third lifting lugs 21 are fixedly arranged, each of the four third lifting lugs 21 is rotated to be provided with a support rod 22, and the lower end of the support rod 22 is rotated to be provided with a turntable 55, and the turntable 55 is rotated to be provided with a fourth roller 56. The lower end of the connecting rod 20 is rotatably connected with the support rod 22 .

As shown in Figure 1, the transfer protection device includes a first shock absorber 18 fixed on both sides of the bed body 10, a first roller 19 is provided for rotation at the lower end of the first shock absorber 18, and a first roller 19 is provided for rotation at both sides of the front end of the bed body 10. Two shock absorbers 31, the two sides of the front end of the bed body 10 are rotated to be provided with a suspension block 32, the suspension block 32 is rotatably connected with the second shock absorber 31, the suspension block 32 is rotated to be provided with a third roller 33, and the bottom side of the suspension block 32 is rotated A brake strut 34 is provided, and a return spring 52 is connected between the brake strut 34 and the suspension block 32. The other end of the brake strut 34 is rotated to be provided with a brake block 53, and the middle part of the brake strut 34 is fixed with a dial The rod 54 is fixed with six safety belt lugs 26 on both sides of the bed body 10 .

When the patient needs to be transferred to the hospital, the emergency bed is moved to the side of the patient, the second handle 14 is pulled by hand, the wire rope 15 pulls the first connecting rod 17 and rotates counterclockwise to retract the support rod 22, and the height of the bed body 10 is lowered to the first The roller 19 and the third roller 33 are in contact with the ground, and the third handle 38 is turned out from the hand wheel 37, and the hand wheel 37 is rotated rapidly through the third handle 38, and the transmission shaft 39 follows in the fixed lug 40 The hand wheel 37 rotates, the worm 41 rotates with the hand wheel 37 to make the worm wheel 42 turn, the gear 43 and the worm wheel 42 rotate coaxially to make the rack 44 move to the right, and the bed board 11 is lifted by the support rod 51 to wrap around the bed board lug 23 Turn clockwise at a certain angle, push the elastic metal sheet 25 to the right under the patient, the air pump 35 inflates the rubber air cushion 24 to support the patient's body, and push the steel pipe bracket 28 to the right under the patient through the first handle 12, Install the bracket auxiliary rod 30 on the other side of the steel pipe bracket 28, the transmission chamber 36 draws air from the rubber air cushion 24 to separate the rubber air cushion 24 from the patient's body, the patient directly contacts the cortical shell sponge strip 29, and retracts the elastic metal sheet 25 to the air cushion In the storage chamber 50, use the first handle 12 to retract the steel pipe bracket 28 and the cortical shell sponge strip 29 to the bed board 11, reversely turn the third handle 38 to return the bed board 11 to a horizontal state, remove the bracket auxiliary rod 30 and put it into the storage chamber In 48, the safety belt is installed on the safety belt lug 26 and the bed body 10 is lifted up after binding the patient, the support rod 22 is rotated counterclockwise to the vertical position with the ground under the action of gravity, the first connecting rod 17 and the second connecting rod The rod 20 supports the support rod 22 in a straight line, pushes the bed body 10 to the ambulance, pulls the second handle 14 to retract the support rod 22, and pushes the bed body 10 into the ambulance through the rolling of the first roller 19 and the third roller 33 Inside, use the pin to move down the lever 54 so that the brake strut 34 rotates counterclockwise to a vertical position with the horizontal plane, the brake block 53 is in contact with the compartment floor to support the third roller 33, and the anti-skid structure on the surface of the brake block 53 The bed body 10 is no longer displaced in the compartment, and the second shock absorber 31 and the first shock absorber 18 play the role of buffering the impact during the ambulance running, so as to alleviate the patient's discomfort caused by the road conditions during the transfer.

The above description is only an embodiment of the present invention, and does not limit the scope of patent protection of the present invention. Any equivalent structure or equivalent process transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related All technical fields are equally included in the scope of patent protection of the present invention.

Claims (1)

1. An ambulance emergency bed for avoiding secondary injuries, comprising a bed body (10), characterized in that, the upper end of the bed body (10) is provided with a bed board (11), and the bed board (11) is provided with a patient Transfer device, the patient transfer device is used to transfer the patient without causing secondary injury, the bed body (10) is provided with a transmission chamber (36), and the transmission chamber (36) is provided with a lifting device to lift The device is used to adjust the angle when transferring the patient. The lower end of the bed body (10) is provided with a moving device. The moving device is used to quickly transfer the patient and cushion the impact to protect the patient when the ambulance encounters bumps. The bed body (10) There are transfer protection devices at both ends, and the transfer protection devices are used for the protection of patients during the driving of the ambulance; The patient transfer device includes a bed board lifting ear (23) fixedly arranged on the bed board (11), the bed board lifting ear (23) is rotatably connected with the bed body (10), and the bed board (11) is provided with an air cushion to accommodate cavity (50), the elastic metal sheet (25) is slidably arranged in the air cushion accommodation cavity (50), the left end of the elastic metal sheet (25) is fixed with an air pump (35), and the elastic metal sheet (25) The upper end is fixedly provided with a rubber air cushion (24), and the rubber air cushion (24) is connected with the air pump (35) by a trachea. A steel pipe support (28) is slidingly provided in the rod cavity (49); The lower part of the steel pipe support (28) is a long block, the upper part of the steel pipe support (28) is a steel pipe arranged in a comb shape, and the upper end of the steel pipe support (28) is fixed with a cortical shell sponge strip (29), and the cortical shell The width of the shell sponge strip (29) is smaller than the diameter of the steel pipe support (28), and the length of the leather shell sponge strip (29) is less than the length of the steel pipe support (28). There is a first handle (12), the bed board (11) is provided with a second roller (27) when rotating at the right end of the steel pipe bracket (28), and a support rod (51) is provided for rotating the lower end of the bed board (11); The lifting device includes a fixed lug (40) fixed in the transmission cavity (36), a transmission shaft (39) is rotated on the fixed lug (40), and the left end of the transmission shaft (39) is fixed. Hand wheel (37) is arranged, and described hand wheel (37) is rotated and is provided with the 3rd handle (38), and described transmission shaft (39) right end is fixedly provided with worm (41), and described bed body (10 ) is located at the rear side of the worm (41) and rotates with a worm wheel (42), the worm wheel (42) is fixed with a gear (43), and the bed body (10) is in the transmission chamber (36) The lower end is provided with a chute (47), and a rack mounting block (45) is slidably provided in the chute (47), and four fourth rollers (46) are provided for rotation at the lower end of the rack mounting block (45). The upper end of the rack mounting block (45) is fixedly provided with a rack (44), the rack (44) meshes with the gear (43), and the right end of the rack (44) is engaged with the pole (51 ) is rotationally connected, the right end of the bed body (10) is provided with a storage cavity (48), and the storage cavity (48) is provided with a support auxiliary rod (30); The moving device includes two first lifting lugs (13) fixed on the lower end of the bed body (10), and a second handle (14) is respectively rotated on the two first lifting lugs (13). The two handles (14) are fixedly provided with two steel wire ropes (15), and the lower end of the bed body (10) is fixedly provided with two second lifting lugs (16). Each of the front sides of the two lifting lugs (16) is fixed with a fourth lifting lug (57), and each of the two second lifting lugs (16) is rotated with a first connecting rod (17), and the steel wire rope (15) is wound around The fourth lifting eye (57) is fixedly connected with the first connecting rod (17), and the other end of the first connecting rod (17) is rotated to be provided with a second connecting rod (20), and the bed body ( 10) The lower end is fixed with four third lifting lugs (21), each of the four third lifting lugs (21) is provided with a support rod (22) for rotation, and the lower end of the support rod (22) is provided with a rotary table (55), the rotating table (55) is provided with a fifth roller (56), and the lower end of the second connecting rod (20) is rotationally connected with the support rod (22); The transfer protection device includes first shock absorbers (18) fixed on both sides of the bed body (10), the lower end of the first shock absorber (18) is provided with first rollers (19) for rotation, and the bed body (10) A second shock absorber (31) is provided for rotation on both sides of the front end, and a suspension block (32) is provided for rotation on both sides of the front end of the bed body (10), and the suspension block (32) and the second shock absorber The vibrator (31) is rotatably connected, and a third roller (33) is rotated on the suspension block (32), and a brake strut (34) is rotated on the lower side of the suspension block (32). A return spring (52) is connected between the strut (34) and the suspension block (32), and the other end of the brake strut (34) is rotated to be provided with a brake block (53). (34) The middle part is fixedly provided with a shift lever (54), and the two sides of the bed body (10) are fixedly provided with six safety belt lugs (26); The bed board (11) is jacked up by the support rod (51) and rotates clockwise at a certain angle around the bed board lug (23), and the elastic metal sheet (25) is pushed out to the right under the patient, and the air pump (35) supplies the rubber air cushion (24 ) is inflated to support the patient’s body, the steel pipe support (28) is pushed out to the right under the patient’s body through the first handle (12), the support auxiliary rod (30) is installed on the other side of the steel pipe support (28), and the transmission chamber ( 36) Extract air from the rubber air cushion (24) to separate the rubber air cushion (24) from the patient's body.