CN108578077A - A kind of stretcher facilitating transfer patient - Google Patents

Abstract

A kind of the problem of stretcher facilitating transfer patient, the existing stretcher of effective solution when shifting patient may hurt patient；Including support plate, there are four folding support legs, the rotation of support leg end to be provided with universal wheel for connection below the support plate；Sliding is placed with bed board in the support plate, and bed board is slided along support plate width direction, and support plate is equipped with the first sliding groove slided for bed board, and bed board both ends are extended with the sliding block that can be slided in the first sliding groove；Respectively rotation connection is fixed with accessory plate in guardrail, second sliding slot identical with the first sliding groove is offered on accessory plate there are two symmetrically arranged guardrail for the both sides of the support plate width direction；The guardrail is rotatablely connected through shaft and support plate, shaft axis is parallel with support plate length direction, the first lockhole and the second lockhole are offered in shaft, the first lockhole and the second lockhole in the guardrail shaft of homonymy two are oppositely arranged, and the retaining mechanism being located between two shafts is equipped in the bed board.

Description

A kind of stretcher trolley for transferring patients conveniently

technical field

The invention relates to the technical field of medical devices, in particular to a stretcher for conveniently transferring patients.

Background technique

At present, emergency patients need to be carried on a stretcher. The existing stretcher bed is composed of a bed, bed legs, and wheels. If infusion is required, medical staff need to carry an infusion bottle to infuse the patient. The patient has nowhere to put his hands when infusion. Thereby the stretcher bed in the prior art is inconvenient to use, not only increases the workload of the medical staff, but also increases the misery of the patient.

The stretcher is an indispensable and important tool in the medical unit's rescue and treatment of patients. Early stretchers consisted of two wooden rods or iron pipes and a towel connected between the two wooden rods or iron pipes. Later, foldable stretchers appeared for easy portability. Later, a lift-type stretcher cart consisting of a stretcher and a four-wheel cart appeared, wherein the cart consisted of a frame, a main shaft frame fixed on the lower surface of the vehicle frame, a main shaft installed on the main shaft frame, a connecting rod, a ground wheel frame and The ground wheel and the lifting mechanism installed on the vehicle frame are composed of a crank handle, a screw, a screw nut, a horizontal connecting rod connected to the other end of the screw nut, and a connecting rod connected between the horizontal connecting rod and the main shaft. It is composed of a connecting frame, and the stretcher can be lifted and lowered through the crank handle. When in use, the patient is lifted onto the stretcher, and the stretcher is placed on the four-wheel cart.

Whether the above two stretchers are lifted or pushed, the patient must be lifted onto the stretcher. The whole process requires several people and takes a lot of effort to complete. At the same time, it will increase the pain of the patient. Therefore, a convenient transfer of the patient is designed. A stretcher is very necessary.

Contents of the invention

In view of the above situation, in order to overcome the defects of the prior art, the object of the present invention is to provide a stretcher trolley for transferring patients conveniently, which effectively solves the problem that the existing stretcher may injure the patient when transferring the patient.

The technical solution is that the present invention includes a support plate, four foldable support legs are connected under the support plate, universal wheels are installed at the ends of the support legs, and the universal wheels can still be placed on the ground after the support legs are folded. Sliding on the support plate, a bed board is placed on the support board, and the bed board slides along the width direction of the support board. The support board is provided with a first chute for the bed board to slide. Slider; the two sides of the support plate in the width direction are rotated and connected with two symmetrically arranged guardrails. The guardrails are inverted U-shaped structures, and an auxiliary plate is fixed inside the guardrail. Two chutes, the second chute is connected to the first chute after the guardrail rotates 90°; the guardrail is connected to the support plate through the rotation shaft, the axis of the rotation shaft is parallel to the length direction of the support plate, and the first lock hole and the support plate are provided on the rotation shaft The second lock hole, the first lock hole and the second lock hole on the two guardrail rotating shafts on the same side are oppositely arranged, and a locking mechanism between the two rotating shafts is provided in the bed board, and the locking mechanism includes Two locking rods are coaxially slidable with the rotating shaft. The locking rods can slide in the support plate without rotating. The end of the locking rod adjacent to the rotating shaft is provided with a lock pin. The adjacent end of the two locking rods is connected with a push plate. The lower end is connected with a push rod protruding from the lower side of the support plate, and the push rod is pushed to make the lock bar slide in the support plate so that the lock pin cooperates with the first lock hole or the second lock hole to fix the rotating shaft.

Compared with the prior art, the present invention has the following beneficial effects: 1) the height is adjustable, and it can still slide on the ground behind the supporting legs; 2) it is convenient to transfer patients, and the bed board can slide horizontally, and the bed board can be moved when transferring patients Lateral movement, the patient can lie on the stretcher or bed after turning over, so as to avoid injury to the patient when moving the patient.

Description of drawings

Fig. 1 is a front view of the present invention.

Figure 2 is a side view of the present invention.

Fig. 3 is a schematic diagram of the three-dimensional structure of the front of the support plate in the present invention.

Fig. 4 is a schematic diagram of the three-dimensional structure of the bottom surface of the support plate in the present invention.

Fig. 5 is an enlarged view of part A in Fig. 3 of the present invention.

Fig. 6 is a schematic diagram of the three-dimensional structure of the bed board in the present invention.

Fig. 7 is a schematic diagram of the three-dimensional structure of the supporting legs in the present invention.

Fig. 8 is a schematic diagram of the folded supporting legs in the present invention.

Fig. 9 is a schematic perspective view of the three-dimensional structure of the guardrail in the present invention.

Fig. 10 is an enlarged view of part B in Fig. 9 of the present invention.

Fig. 11 is a structural schematic diagram of the guardrail locking mechanism in the present invention.

Fig. 12 is a sectional view of C-C in Fig. 11 of the present invention.

Fig. 13 is a front view of the folded supporting legs of the present invention.

Fig. 14 is a side view of the folded supporting legs of the present invention.

Detailed ways

The specific embodiment of the present invention will be described in further detail below in conjunction with accompanying drawings 1-14.

Example:

It can be seen from Fig. 1 to Fig. 14 that a stretcher trolley for transferring patients conveniently includes a support plate 1, four foldable support legs 2 are connected under the support plate 1, and universal wheels are provided on the ends of the support legs 2 to rotate. 3. After the support legs 2 are folded, the universal wheels 3 can still slide on the ground; the bed board 4 is slid on the support board 1, and the bed board 4 slides along the width direction of the support board 1. The first chute 5 of the first chute 5, the two ends of the bed board 4 protrude from the slider 6 that can slide in the first chute 5; the two sides of the width direction of the support plate 1 are respectively connected with two symmetrically arranged guardrails 7, The guardrail 7 is an inverted U-shaped structure, and an auxiliary plate 8 is fixed inside the guardrail 7. The auxiliary plate 8 is provided with a second chute 9 identical to the first chute 5. After the guardrail 7 rotates 90°, the second chute 9 and the first chute A chute 5 is connected through; the guardrail 7 is rotatably connected with the support plate 1 through the rotating shaft 10, the axis of the rotating shaft 10 is parallel to the length direction of the supporting plate 1, and the rotating shaft 10 is provided with a first lock hole 11 and a second lock hole 12. The first locking hole 11 and the second locking hole 12 on the two rotating shafts 10 of the guardrail 7 are arranged opposite to each other. The bed board 4 is provided with a locking mechanism between the two rotating shafts 10. The locking mechanism includes Two locking rods 13 are coaxially slidable with the rotating shaft 10. The locking rods 13 can slide in the support plate 1 without rotating. The end of the locking rod 13 adjacent to the rotating shaft 10 is provided with a locking pin 14. The two locking rods 13 are adjacent to each other. One end is connected with a push plate 15, the lower end of the push plate 15 is connected with a push rod 16 stretching out from the underside of the support plate 1, and the push rod 16 is pushed to make the lock bar 13 slide in the support plate 1 so that the lock pin 14 is in contact with the first lock hole 11 or The second locking hole 12 cooperates to fix the rotating shaft 10 .

The support leg 2 includes a first leg 17 that is rotatably connected to the bottom of the support plate 1, a second leg 18 slides and expands inside the first leg 17, and the universal wheel 3 is fixed at the end of the second leg 18. The middle end of the first leg 17 is hinged with a first connecting rod 19, and the end of the first connecting rod 19 is hinged with a second connecting rod 20. There is a gas strut 21 , and the end of the gas strut 21 is hinged on the second connecting rod 20 .

The bottom of the support plate 1 is provided with a groove for fixing the support leg 2, the first leg 17 is fixed in the groove through the first connecting block 22, the first connecting block 22 is rotationally connected with the first leg 17, the second The two connecting rods 20 are fixed in the groove through the second connecting block 23, the second connecting block 23 is rotationally connected with the second connecting rod 20, the gas strut 21 is fixed in the groove through the third connecting block 24, and the third connecting block 24 is rotationally connected with gas strut 21.

The middle section of the first chute 5 is provided with a block 25 , and there are two sliders 6 located on both sides of the block 25 .

The support plate 1 is provided with a locking lever 26 for locking the movable plate, the locking lever 26 slides in the length direction of the supporting plate 1, the locking lever 26 can extend outside the grille 25 towards the end of the bed plate 4, and the other end of the locking lever 26 is fixed An operating rod 27 that exposes the upper edge of the support plate 1 is connected.

The locking lever 26 is connected with a first spring, and the first spring pushes the locking lever 26 toward the bed board 4 .

The side of the bed board 4 is provided with a positioning hole 28 located in the middle of the slider 6, and the locking rod 26 extends into the positioning hole 28 to fix the position of the bed board 4 .

Both sides of the push plate 15 are wedge-shaped, and the push plate 15 is provided with an inclined oblong hole 29 , and the end of the locking rod 13 is fixed with a latch 30 inserted into the oblong hole 29 .

The push rod 16 is sleeved with a second spring 31 , and the second spring 31 pushes the push rod 16 into the support plate 1 .

The support plate 1 is provided with a fixed block 32, and the locking bar 13 is connected to the fixing block 32 via a key 33, forming a structure in which the locking bar 13 can only slide and cannot rotate.

When the present invention is used specifically,

Open the support leg 2, adjust the height of the support leg 2, so that the height of the support board 1 is at the same height as the bed on which the emergency patient lies, and then turn the guardrail 7 so that the auxiliary board 8 is attached to the patient's bed, and the bed board 4 is pulled to the patient On the bed, the patient only needs to turn over and lie on the bed board 4, then push the bed board 4 back to the support board 1 for fixing, and then retract the guardrail 7.

The present invention is mainly used when going out to the emergency room. Since the conditions of the communities where the patients are located are not the same, the stretcher for receiving patients needs to be able to adapt to different conditions, and needs to be able to adjust various size parameters, and it is also necessary to transfer the patient from the bed to the stretcher. Certain restrictions, some patients are not suitable for moving, so the traditional stretcher can not be applied, the present invention does not need to move the patient when transferring the patient, the patient only needs to turn over, and then stretch the bed board 4 to the patient's rear, and the patient turns over again That is, the patient only needs to turn over without moving, and the range of motion is greatly reduced, which is beneficial to protect the patient from the pain of moving or pulling the wound.

The guardrail 7 has two different states: vertical and horizontal: 1) When the present invention is transporting patients, the guardrail 7 is in a vertical state. At this time, the lock pin 14 is inserted into the first lock hole 11 of the guardrail 7, and the guardrail 7. The position is fixed to keep it in a vertical state; 2) When the present invention transfers the patient, the guardrail 7 is in a horizontal state. At this time, the lock pin 14 is inserted into the second lock hole 12 of the guardrail 7 to keep the guardrail 7 horizontal state.

When the guardrail 7 is switched between the vertical and horizontal states, the push rod 16 is pulled outward, and the push plate 15 drives the lock rod 13 to move closer to the middle, so that the lock pin 14 is separated from the first lock hole 11 or the second lock hole 12. At this time, the guardrail 7 is in a free state and can be rotated arbitrarily. After turning the guardrail 7 to the desired position, release the push rod 16. The push rod 16 is pushed inward under the action of the second spring 31, driving the lock pin 14 Insert it into the first lock hole 11 or the second lock hole 12 to fix the guardrail 7 .

When the guardrail 7 is in a horizontal state, the second chute 9 on the auxiliary plate 8 is docked with the first chute 5 on the support plate 1, so that the bed board 4 protruding outward can be supported, and the bed board 4 can be ensured when the patient is transferred. 4 support strength to prevent patients from falling.

The two sides of the push plate 15 are wedge-shaped, and when the push plate 15 slides under the action of the push rod 16, it can drive the lock bar 13 to slide left and right in the support plate 1, thereby controlling the locking pin 14 and the first lock hole 11 or the second lock hole 12 cooperation, that is, to control whether the guardrail 7 can rotate, the inclination angle of the oblong hole 29 is between 15°-30°, so that the push plate 15 can better control the sliding of the lock pin 14 and the lock pin 14 cannot push the push plate 15 to move , to prevent the guardrail 7 from breaking away from the fixation and causing the patient to fall.

When the bed board 4 slides in the support board 1, the slider 6 cooperates with the first chute 5, so that the bed board 4 can slide, and the two sliders 6 are respectively located on both sides of the block 25, so as to ensure that the bed board 4 will not come off when sliding Support plate 1, to protect the patient from falling out of the stretcher.

When the bed board 4 needs to be fixed, the bed board 4 is moved to the middle of the support board 1, and the operating lever 27 is pushed to insert the locking rod 26 into the positioning hole 28 on the bed board 4, and the bed board 4 is fixed on the support board 1.

The supporting legs 2 have the following two states of use: the supporting legs 2 are in an open state, at this time, the present invention is in a stretcher state, and the height of the supporting legs 2 can be adjusted; the supporting legs 2 are in a folded recovery state, at this time, the present invention can be used as When using the stretcher board, when the patient is transferred to the ambulance, the support legs 2 are withdrawn to lower the height of the patient and make the patient more comfortable. At this time, the universal wheels 3 can still slide on the ground to play the role of support and sliding. Function, if you need to adjust the position of the stretcher at this time, just push the stretcher directly, which is very fast and convenient.

When the stretcher board is converted to the stretcher cart, just rotate the first leg 17 to the vertical position, and now the first connecting rod 19 and the second connecting rod 20 are on the same straight line, because the first connecting rod 19 and the second connecting rod 20 are on the same straight line, and the gas strut 21 pushes the second connecting rod 20 obliquely downward, so the force exerted by the second leg 18 or the first leg 17 on the first connecting rod 19 cannot cause the supporting leg 2 to fold, The supporting legs 2 can be kept open to ensure the stability of the patient on the stretcher. When the stretcher cart is converted to the stretcher board, it is only necessary to push the second connecting rod 20 upwards. Due to the force direction, only a very small force can be used to rotate the second connecting rod 20, so that the gas strut 21 can be retracted. , then rotate the first leg 17 to make it folded under the bed board 4 and get final product.

When the supporting leg 2 is in the state of a stretcher, adjust the height of the supporting leg 2, expand and contract the second supporting leg 18 in the first supporting leg 17, and then fix it. The first supporting leg 17 and the second supporting leg 18 adopt Common telescopic legs will do.

When the supporting leg 2 is in the stretcher board state, the second outrigger 18 must retract to the inside of the first outrigger 17, so that multiple universal wheels 3 can support the bed board 4, thereby driving the bed board 4 to slide smoothly on the ground .

There is a groove under the support plate 1, the first leg 17 is fixed in the groove through the first connecting block 22, the first connecting block 22 is connected to the first leg 17 in rotation, and the second connecting rod 20 is connected through the second connecting block 23 fixed in the groove, the second connection block 23 is connected in rotation with the second connecting rod 20, the gas strut 21 is fixed in the groove through the third connection block 24, and the third connection block 24 is rotatably connected with the gas strut 21 to support After the legs 2 are folded, they can be hidden in the groove without hindering the movement of the universal wheel 3 .

Compared with the prior art, the present invention has the following beneficial effects: 1) the height is adjustable, and it can still slide on the ground behind the supporting legs; 2) it is convenient to transfer patients, and the bed board can slide horizontally, and the bed board can be moved when transferring patients Lateral movement, the patient can lie on the stretcher or bed after turning over, so as to avoid injury to the patient when moving the patient.

Claims (10)

1. A stretcher trolley for transferring patients conveniently, comprising a support board (1), characterized in that four foldable support legs (2) are connected under the support board (1), and the ends of the support legs (2) Universal wheels (3) are provided for rotation, and the universal wheels (3) can still slide on the ground after the support legs (2) are folded; a bed board (4) is placed slidingly on the support board (1), and the bed board (4) Slide along the width direction of the support plate (1). The support plate (1) is provided with the first chute (5) for the sliding of the bed board (4). ) sliding block (6); two sides of the support plate (1) in the width direction are rotated and connected with two symmetrical guardrails (7), the guardrails (7) are inverted U-shaped structures, and the guardrails (7) An auxiliary plate (8) is fixed inside, and a second chute (9) identical to the first chute (5) is opened on the auxiliary plate (8), and the second chute (9) after the guardrail (7) rotates 90° It is connected with the first chute (5); the guardrail (7) is rotationally connected with the support plate (1) via the rotating shaft (10), the axis of the rotating shaft (10) is parallel to the length direction of the supporting plate (1), and the rotating shaft (10) The first lock hole (11) and the second lock hole (12) are opened on the top, and the first lock hole (11) and the second lock hole (12) on the two guardrails (7) rotating shafts (10) on the same side Arranged facing each other, the bed board (4) is provided with a locking mechanism between the two rotating shafts (10), the locking mechanism includes two locking rods (13) coaxially slidable with the rotating shafts (10), The lock bar (13) can slide in the support plate (1) without turning, the end of the lock bar (13) adjacent to the rotating shaft (10) is provided with a lock pin (14), and the adjacent ends of the two lock bars (13) are connected There is a push plate (15), the lower end of the push plate (15) is connected with a push rod (16) stretching out from the underside of the support plate (1), and the push rod (16) is pushed to make the lock bar (13) in the support plate (1) Slide so that the lock pin (14) cooperates with the first lock hole (11) or the second lock hole (12) to fix the rotating shaft (10). 2. A stretcher trolley for conveniently transferring patients according to claim 1, characterized in that, the support leg (2) includes a first leg (17) rotatably connected under the support plate (1), the second There is a second leg (18) for sliding and telescopic movement in one leg (17), the universal wheel (3) is fixed on the end of the second leg (18), and the middle end of the first leg (17) is hinged with a first connecting Rod (19), the end of the first connecting rod (19) is hinged with the second connecting rod (20), the end of the second connecting rod (20) is hinged at the bottom of the support plate (1), and the support plate (1) is connected under rotation There is a gas strut (21), and the end of the gas strut (21) is hinged on the second connecting rod (20). 3. A stretcher trolley for conveniently transferring patients according to claim 1, characterized in that, the bottom of the support plate (1) is provided with a groove for fixing the support leg (2), and the first leg (17 ) is fixed in the groove through the first connecting block (22), the first connecting block (22) is rotationally connected with the first leg (17), and the second connecting rod (20) is fixed in the groove through the second connecting block (23). In the groove, the second connecting block (23) is rotationally connected with the second connecting rod (20), the gas strut (21) is fixed in the groove through the third connecting block (24), and the third connecting block (24) and The gas strut (21) is rotatably connected. 4. A stretcher trolley convenient for transferring patients according to claim 1, characterized in that, the middle section of the first chute (5) is provided with a block (25), and there are two sliders (6) and They are respectively located on both sides of the block (25). 5. A stretcher trolley for conveniently transferring patients according to claim 1, characterized in that, the support plate (1) is provided with a locking lever (26) for locking the movable plate, and the locking lever (26) is The support plate (1) slides inward in the length direction, one end of the locking rod (26) facing the bed board (4) can extend out of the barrier (25), and the other end of the locking rod (26) is fixedly connected to expose the upper edge of the support plate (1) Rod (27). 6. A stretcher trolley for conveniently transferring patients according to claim 1, characterized in that, the locking lever (26) is connected with a first spring, and the first spring pushes the locking lever (26) closer to the bed board (4 ) direction to push. 7. A stretcher trolley convenient for transferring patients according to claim 1, characterized in that, the side of the bed board (4) is provided with a positioning hole (28) located in the middle of the slider (6), and the locking lever ( 26) Extend into the positioning hole (28) to fix the position of the bed board (4). 8. A stretcher trolley for conveniently transferring patients according to claim 1, characterized in that, both sides of the push plate (15) are wedge-shaped structures, and an oblique oblong hole (29) is opened on the push plate (15). ), the end of the lock bar (13) is fixed with a latch (30) inserted into the oblong hole (29). 9. A stretcher trolley for conveniently transferring patients according to claim 1, characterized in that, the push rod (16) is sleeved with a second spring (31), and the second spring (31) pushes the push rod (16) Push into the support plate (1). 10. A stretcher trolley for conveniently transferring patients according to claim 1, characterized in that, the support plate (1) is provided with a fixed block (32), and the locking bar (13) is connected via a key (33) On the fixed block (32), constitute the structure that the lock bar (13) can only slide and cannot rotate.