CN108578078A - A kind of stretcher that bed board can slide laterally - Google Patents

Abstract

A stretcher trolley whose bed board can slide horizontally, which effectively solves the problem that the existing stretcher may injure the patient when transferring the patient; it includes a support plate, four foldable support legs are connected under the support plate, and the ends of the support legs are Universal wheels are provided for the rotation of the upper part; a bed board is slidably placed on the support board, and the bed board slides along the width direction of the support board; There are two symmetrical guardrails on both sides of the direction, and the bottom of the guardrail is fixedly connected with an auxiliary board. The auxiliary board is parallel to the bed board. There is a second chute on the auxiliary board that is the same as the first chute. The rear second chute is connected to the first chute; a rotating shaft is fixed under the auxiliary plate, and the guardrail rotates on the support plate around the rotating shaft, and the auxiliary plate is provided with a first lock pin and a second lock pin perpendicular to the axis of the rotating shaft , Both ends of the support plate in the length direction are provided with locking mechanisms for fixing the guardrail.

Description

Stretcher trolley with horizontally sliding bed board

technical field

The invention relates to the technical field of medical devices, in particular to a stretcher trolley whose bed board can slide laterally.

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 bed board that can slide horizontally is designed. , the device that the patient can be transferred to the stretcher after turning over slightly 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 with a bed board that can slide horizontally, 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; two symmetrically arranged guardrails are connected to each side of the width direction of the support plate. The bottom of the guardrail is fixedly connected with an auxiliary board. The auxiliary board is parallel to the bed board. The auxiliary board is provided with the same first chute. Two chutes, the second chute is connected to the first chute after the guardrail rotates 90°; a rotating shaft is fixed under the auxiliary plate, and the guardrail rotates on the support plate around the rotating shaft. A lock pin and a second lock pin, the first lock pin is located on the plane where the guardrail is located, the second lock pin is perpendicular to the first lock pin, and the two ends of the support plate in the length direction are provided with a locking mechanism for fixing the guardrail, and the locking mechanism It includes a sliding and telescopic locking rod inside the support plate, and one end of the locking rod located in the support plate is provided with a lock hole, and the lock hole can be set on the first lock pin or the second lock pin to fix the guardrail.

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) the bed board can slide horizontally, and the bed board can be moved laterally when transferring the patient, and the patient Just turn over and lie on a stretcher or bed, avoiding 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 three-dimensional structural schematic view of the guardrail in the present invention.

Fig. 4 is an enlarged view of part A in Fig. 3 of the present invention.

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

Fig. 6 is a three-dimensional structural schematic view of the guardrail locking mechanism in the present invention.

Fig. 7 is a schematic perspective view of the three-dimensional structure of the support plate in the present invention.

Fig. 8 is an enlarged view of part C in Fig. 7 of the present invention.

Fig. 9 is a schematic diagram of the three-dimensional structure of the bed board in the present invention.

Fig. 10 is a schematic perspective view of the three-dimensional structure of the supporting legs in the present invention.

Fig. 11 is a schematic diagram of the folded supporting legs in the present invention.

Fig. 12 is a top view of the guardrail after turning 90° among 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 with a bed board that can slide laterally includes a support board 1, four foldable support legs 2 are connected under the support board 1, and the ends of the support legs 2 are provided with universal Wheel 3, the universal wheel 3 can still slide on the ground after the support leg 2 is folded; the bed board 4 is slid on the support board 1, the bed board 4 slides along the width direction of the support board 1, and the support board 1 is provided with a bed board 4 The sliding 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 bottom of the guardrail 7 is fixedly connected with an auxiliary board 8, the auxiliary board 8 is parallel to the bed board 4, the auxiliary board 8 is provided with a second chute 9 identical to the first chute 5, and the second chute 9 after the guardrail 7 rotates 90° It is connected with the first chute 5; a rotating shaft 10 is fixed below the auxiliary plate 8, and the guardrail 7 rotates on the support plate 1 around the rotating shaft 10. The auxiliary plate 8 is provided with a first lock pin 11 perpendicular to the axis of the rotating shaft 10 and The second locking pin 12, the first locking pin 11 is located at the plane where the guardrail 7 is located, the second locking pin 12 is perpendicular to the first locking pin 11, and the two ends of the supporting plate 1 length direction are provided with a locking mechanism 13 for fixing the guardrail 7, so The locking mechanism 13 includes a locking rod 14 that slides and expands in the support plate 1, and one end of the locking rod 14 is located in the support plate 1. There is a lock hole, and the lock hole can be set on the first lock pin 11 or the second lock pin 12 to fix it. guardrail7.

The supporting leg 2 includes a first supporting leg 15 which is rotatably connected to the bottom of the supporting plate 1, and a second supporting leg 16 slides and expands inside the first supporting leg 15, and the universal wheel 3 is fixed at the end of the second supporting leg 16. The middle end of the first leg 15 is hinged with a first connecting rod 17, and the end of the first connecting rod 17 is hinged with a second connecting rod 18. There is an air strut 19 , and the end of the air strut 19 is hinged on the second connecting rod 18 .

The bottom of the support plate 1 is provided with a groove for fixing the support leg 2, the first leg 15 is fixed in the groove through the first connecting block 20, the first connecting block 20 is rotatably connected with the first leg 15, the second The two connecting rods 18 are fixed in the groove through the second connecting block 21, the second connecting block 21 is rotationally connected with the second connecting rod 18, the gas strut 19 is fixed in the groove through the third connecting block 22, and the third connecting block 22 is rotationally connected with gas strut 19.

A block 23 is provided in the middle section of the first chute 5 , and there are two sliders 6 located on both sides of the block 23 .

The support plate 1 is provided with a locking lever 24 for locking the movable plate, the locking lever 24 slides in the length direction of the support plate 1, the locking lever 24 can extend outside the grille 23 towards the end of the bed plate 4, and the other end of the locking lever 24 is fixed An operating rod 25 that exposes the upper edge of the support plate 1 is connected.

The locking lever 24 is connected with a first spring, and the first spring pushes the locking lever 24 toward the bed board 4 .

The side of the bed board 4 is provided with a positioning hole 26 located in the middle of the slider 6, and the locking rod 24 extends into the positioning hole 26 to fix the position of the bed board 4 .

The support plate 1 is clamped with a relief groove 27, and the auxiliary plate 8 can be hidden in the relief groove 27 after the guardrail 7 rotates.

The end of the second chute 9 away from the rotating shaft 10 is provided with a plug 28 .

The locking bar 14 is sleeved with a second spring 29 , and the second spring 29 pushes the locking bar 14 toward the bed board 4 .

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 can be parallel to or perpendicular to the length direction of the bed board 4: when the present invention is transporting patients, the guard rail 7 is parallel to the length direction of the bed board 4. At this time, the first locking pin 11 is inserted into the lock hole to fix the position of the guard rail 7 so that The guardrail 7 remains parallel to the length direction of the bed board 4; when the patient is transferred in the present invention, the guard rail 7 is perpendicular to the length direction of the bed board 4. At this time, the second locking pin 12 is inserted into the lock hole, so that the guard rail 7 is kept at the same length as the bed board 4 The state in which the direction is vertical.

When the guardrail 7 is switched between the states parallel to or perpendicular to the length direction of the bed board 4, the lock bar 14 is pulled outwards so that the first lock pin 11 or the second lock pin 12 breaks away from the lock hole. At this moment, the guardrail 7 is in a free state and can Rotate arbitrarily, after guardrail 7 is rotated to required position, unclamp lock bar 14, and lock bar 14 is under the effect of second spring 29, and lock hole is enclosed within on the first lock pin 11 or the second lock pin 12, will Guardrail 7 is fixed.

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

When the guardrail 7 was in parallel state with the length direction of the bed board 4 , the auxiliary board 8 was hidden in the give way groove 27 inside the support board 1 , the bed board 4 was above the give way groove 27 , and the auxiliary board 8 could assist the bed board 4 .

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 23, 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 25 is pushed to insert the locking rod 24 into the positioning hole 26 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 15 to the vertical position, and now the first connecting rod 17 and the second connecting rod 18 are on the same straight line, because the first connecting rod 17 and the second connecting rod 18 are on the same straight line, and the gas strut 19 pushes the second connecting rod 18 obliquely downward, so the force exerted by the second leg 16 or the first leg 15 on the first connecting rod 17 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 18 upwards. Due to the direction of the force, only a very small force can be used to rotate the second connecting rod 18, so that the gas strut 19 can be retracted. , then rotate the first leg 15 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 16 in the first supporting leg 15, and then fix it. The first supporting leg 15 and the second supporting leg 16 adopt Common telescopic legs will do.

When the supporting leg 2 is in the stretcher board state, the second outrigger 16 must be retracted into the inside of the first outrigger 15, so that a plurality of 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 15 is fixed in the groove through the first connecting block 20, the first connecting block 20 is connected to the first leg 15 in rotation, and the second connecting rod 18 is connected through the second connecting block 21 fixed in the groove, the second connecting block 21 is connected with the second connecting rod 18 in rotation, the gas strut 19 is fixed in the groove through the third connecting block 22, and the third connecting block 22 is connected with the gas strut 19 in rotation, supporting 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) the bed board can slide horizontally, and the bed board can be moved laterally when transferring the patient, and the patient Just turn over and lie on a stretcher or bed, avoiding injury to the patient when moving the patient.

Claims (10)

1. A stretcher trolley whose bed board can slide horizontally, including 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) The universal wheel (3) is arranged on the upper part of the rotation, and the universal wheel (3) can still slide on the ground after the support leg (2) is folded; the bed board (4) is placed slidingly on the support board (1), and the bed board (4 ) to 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 plate (4). 5) The sliding block (6) that slides inside; two symmetrically arranged guardrails (7) are connected to each side of the support plate (1) in the width direction, and the bottom of the guardrail (7) is fixedly connected to an auxiliary plate (8) , the auxiliary board (8) is parallel to the bed board (4), the auxiliary board (8) is provided with the second chute (9) which is the same as the first chute (5), and the second chute after the guardrail (7) rotates 90° The groove (9) is connected to the first chute (5); the rotating shaft (10) is fixed under the auxiliary plate (8), and the guardrail (7) rotates on the support plate (1) around the rotating shaft (10), and the auxiliary plate (8) is provided with a first lock pin (11) and a second lock pin (12) perpendicular to the axis of the rotating shaft (10). The first lock pin (11) is located on the plane where the guardrail (7) is located, and the second lock pin ( 12) Perpendicular to the first lock pin (11), the two ends of the support plate (1) in the length direction are provided with a locking mechanism (13) for fixing the guardrail (7), and the locking mechanism (13) is included in the support plate ( 1) The locking rod (14) is sliding and telescopic inside. The locking rod (14) is located at the inner end of the support plate (1) and has a locking hole. The locking hole can be set on the first locking pin (11) or the second locking pin (12) Fix the guardrail (7) on. 2. A stretcher trolley with a horizontally slidable bed board according to claim 1, characterized in that, the support leg (2) includes a first leg (15) rotatably connected under the support board (1), There is a second leg (16) that slides and expands in the first leg (15), the universal wheel (3) is fixed on the end of the second leg (16), and the middle end of the first leg (15) is hinged with a first Connecting rod (17), the end of the first connecting rod (17) is hinged with the second connecting rod (18), the end of the second connecting rod (18) is hinged at the bottom of the support plate (1), and the support plate (1) rotates downward A gas strut (19) is connected, and the end of the gas strut (19) is hinged on the second connecting rod (18). 3. A stretcher trolley with a horizontally slidable bed board 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 ( 15) Fix in the groove through the first connecting block (20), the first connecting block (20) is connected with the first leg (15) in rotation, and the second connecting rod (18) is fixed through the second connecting block (21) In the groove, the second connecting block (21) is rotationally connected with the second connecting rod (18), and the gas strut (19) is fixed in the groove through the third connecting block (22), and the third connecting block (22) It is rotatably connected with the gas strut (19). 4. A stretcher trolley with a bed board that can slide laterally according to claim 1, characterized in that, the middle section of the first chute (5) is provided with a block (23), and there are two sliders (6) And be positioned at block (23) both sides respectively. 5. A stretcher trolley with a horizontally slidable bed board according to claim 1, characterized in that the support board (1) is provided with a locking lever (24) for locking the movable panel, and the locking lever (24) Slide in the length direction of the support plate (1), the end of the locking rod (24) facing the bed board (4) can extend out of the grille (23), and the other end of the locking rod (24) is fixedly connected to the upper edge of the support plate (1). Joystick (25). 6. A stretcher trolley with a bed board that can slide laterally according to claim 1, characterized in that the locking lever (24) is connected with a first spring, and the first spring pushes the locking rod (24) closer to the bed board ( 4) Push in the direction. 7. A stretcher trolley with a bed board that can slide laterally according to claim 1, characterized in that, the side of the bed board (4) is provided with a positioning hole (26) in the middle of the slider (6), and the locking lever (24) Extend into the positioning hole (26) to fix the position of the bed board (4). 8. A stretcher trolley with a bed board that can slide laterally according to claim 1, characterized in that there is a relief groove (27) on the support plate (1), and the auxiliary plate after the guardrail (7) is rotated (8) can be hidden in the step-off slot (27). 9 . The stretcher trolley with a laterally slidable bed board according to claim 1 , wherein a plug ( 28 ) is provided at the end of the second chute ( 9 ) away from the rotating shaft ( 10 ). 10. A stretcher trolley with a bed board that can slide laterally according to claim 1, characterized in that a second spring (29) is sleeved on the locking lever (14), and the second spring (29) locks the The rod (14) is pushed inward to the bed board (4).