A medical electric transfer bed

Abstract

The present invention relates to the field of transportation tools dedicated to patients, and specifically discloses a medical electric transfer bed, including: a folding guardrail arranged on a bed frame; the folding guardrail includes: a mounting frame fixedly connected to the side of the bed frame; a rotating plate rotatably connected to the mounting frame; a reset spring ① fixedly connected between any rotating plate and the mounting frame; a baffle rotatably connected to the top of all rotating plates; a mounting block fixedly connected to the bed frame; a push handle ① slidably connected to the mounting block, and a slope ① is provided on the push handle ①; a transmission rod slidably connected in the bed frame, and the rear end of the transmission rod is slidably connected to any rotating plate, and a slope ② is provided on the transmission rod, and the slope ① contacts the slope ②. The transfer bed uses a folding guardrail, and when the transfer bed is moved to the bedside, the bedside pushes against the transfer bed to push the folding guardrail to fold and retract, and the transfer bed can use the folding guardrail quickly and conveniently.

Description

Technical Field

[0001] The invention relates to the field of transportation tools dedicated to patients, and in particular discloses a medical electric transfer bed. Background Art

[0002] A transfer bed is a device used to assist in moving patients. It is often used in hospitals, allowing medical staff to more conveniently and stably move patients who are unable to move independently, or prevent secondary damage to patients' injuries, thereby improving comfort.

[0003] Generally, guardrails are arranged around the transfer bed to prevent the patient from falling from the transfer bed and ensure the safety of the transfer bed. At the same time, the medical staff will make the transfer bed close to the hospital bed to avoid large-scale movement of the patient by reducing the moving distance. At this time, the guardrail is located between the transfer bed and the hospital bed and affects the movement of the patient. Therefore, the medical staff needs to first move the transfer bed close to the hospital bed, put down the guardrail, and then continue to move the transfer bed to make it close to the hospital bed. This makes the existing transfer bed troublesome and inconvenient to use. Summary of the invention

[0004] In view of the technical problems raised in the above background technology, the present invention provides a medical electric transfer bed that can provide convenience for medical staff to reduce their workload.

[0005] The invention comprises: a bed frame; a mattress connected to the bed frame; a guard frame fixedly connected to the front and rear sides of the bed frame; a bed foot fixedly connected to the bottom of the bed frame; and wheels connected to the bottom of the bed foot; and further comprises: a foldable guardrail arranged on the bed frame and capable of being folded and retracted; a mobile power assembly arranged on the front wheel; and a rotating power assembly arranged on the rear wheel, wherein the mobile power assembly cooperates with the rotating power assembly to control the automatic movement of the transfer bed;

[0006] The folding guardrail comprises: a mounting frame fixedly connected to the side of the bed frame; a rotating plate rotatably connected to the mounting frame, at least three rotating plates are connected to the mounting frame; a reset spring ① fixedly connected between any rotating plate and the mounting frame; a baffle rotatably connected to the top of all rotating plates, the baffle cooperates with the mounting frame to make all rotating plates rotate synchronously; a mounting block fixedly connected to the bed frame; a push handle ① slidably connected to the mounting block, the push handle ① is provided with an inclined surface ①; a transmission rod slidably connected to the bed frame, the rear end of the transmission rod is slidably connected to any rotating plate, the transmission rod is provided with an inclined surface ②, and the inclined surface ① is in contact with the inclined surface ②.

[0007] More preferably, the folding guardrail further comprises: a push handle ② slidably connected to the mounting frame, the push handle ② being insertable into one of the rotating plates to fix the position of the rotating plate; and a return spring ② fixedly connected between the push handle ② and the bed frame.

[0008] More preferably, when the rotating plate is in the forward and backward rotation states, the push handle ② can be plugged into the rotating plate to fix the forward and backward rotation positions of the rotating plate respectively.

[0009] More preferably, the mobile power assembly includes: a mounting plate fixedly connected to the lower part of the bed foot on the front side, two wheels rotatably connected to the left and right sides of the lower part of the mounting plate respectively; a connecting shaft fixedly connected between the two wheels, the connecting shaft makes the two wheels coaxially fixed and rotate synchronously; a control screen connected to the guardrail on the front side; a grab handle fixedly connected to the bottom of the control screen; a motor ① fixedly connected to the mounting plate, the motor ① is electrically connected to the control screen; and a conveyor belt group connected between the motor ① and the connecting shaft.

[0010] More preferably, the rotating power assembly includes: a movable plate rotatably connected to the lower parts of the two rear bed feet; a motor ② fixedly connected to any one of the rear bed feet, the motor ② being connected to the control panel electrical signal; a worm rotatably connected between the two rear bed feet; worm wheels respectively fixedly connected to the rotating shafts of the two movable plates, the two worm wheels respectively meshing with the two ends of the worm; bevel gears respectively fixedly connected to the output end of the motor ② and the worm body, the bevel gears meshing with each other.

[0011] More preferably, the control screen is rotatably connected to the guardrail, and further comprises: a brake assembly arranged on the front wheel;

[0012] The brake assembly includes: a clamping ring slidably connected to the bottom of the front side guard frame, and the handle can be clamped with the clamping ring; a brake rod slidably connected to the mounting plate; a connecting rod rotatably connected between the clamping ring and the brake rod; a gear ring fixedly connected to the connecting shaft, and the brake rod can be clamped between the teeth of the gear ring to limit the rotation of the gear ring and even the connecting shaft; a return spring ③ mounted on the brake rod, and the two ends of the return spring ③ are respectively fixed on the mounting plate and the brake rod; a card block slidably connected to the front side guard frame, and a card slot is provided on the control screen, and the card block can slide into the card slot to limit the position of the control screen; a return spring ④ fixedly connected between the card block and the guard frame.

[0013] More preferably, the bed foot is composed of a sub-column and a main column, and the sub-column and the main column are slidably connected; and further comprises: a height adjustment component arranged between the bed foot;

[0014] The height adjustment component includes: a bidirectional screw rotatably connected between the mother columns of two adjacent bed feet, wherein two bidirectional screws are provided; a moving ring ① threadedly connected to the bidirectional screw; an X-frame connected between the bed frame and the moving ring ①, wherein the upper end of the X-frame slides and is rotatably connected to the bottom of the bed frame, and the lower end of the X-frame is rotatably connected to the moving ring ①; a motor ③ fixedly connected to the mother column of the bed foot, wherein the motor ③ is connected to the control panel by electrical signals; and flat gears fixedly connected to the output end of the motor ③ and the rod body of the bidirectional screw, respectively, wherein the flat gears are meshed with each other, and the motor ③ controls the rotation of the bidirectional screw through the transmission of the flat gears.

[0015] More preferably, the mattress is composed of a fixed pad and a lifting pad, the fixed pad is fixedly connected to the bed frame, and the lifting pad is rotatably connected to the fixed pad, and further comprises: a backrest adjustment component arranged at the bottom of the mattress;

[0016] The cushion back adjustment assembly comprises: a one-way screw rotatably connected to the bottom of the bed frame; a moving ring ② threadedly connected to the thread of the one-way screw; and a connecting plate rotatably connected between the moving ring ② and the bottom of the lifting cushion.

[0017] Beneficial effect: the transfer bed uses a foldable guardrail. When the transfer bed is moved to the bedside, the force of the bedside against the transfer bed is used to push the foldable guardrail to be folded and stowed. Therefore, medical staff do not need to repeat the manual operation of the foldable guardrail and move the transfer bed again. Similarly, the unfolding of the foldable guardrail will also be able to be automatically achieved after the transfer bed is moved away. Therefore, the transfer bed can use the foldable guardrail quickly and conveniently. In addition, the use of a mobile power component and a rotating power component can make the transfer bed move automatically through the cooperation of the two, thereby reducing the pressure on medical staff to move patients.

[0018] The transfer bed is provided with a brake assembly to lock the rotation of the wheels, so that the transfer bed can be stably stopped, thereby preventing the transfer bed from being unstable during the process of transferring the patient between the transfer bed and the hospital bed, thereby improving the safety of the transfer bed; a height adjustment assembly is provided to enable the height of the transfer bed to be adjusted according to usage requirements, thereby optimizing the use of the transfer bed; a backrest adjustment assembly is provided to enable the patient's body parts to be raised according to the patient's physical condition without the need for external objects, thereby improving the use effect of the transfer bed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 It is a schematic diagram of the structure of the present invention from the bottom perspective.

[0021] Figure 3 It is a schematic diagram of the position structure of the foldable guardrail in the present invention.

[0022] Figure 4 It is a schematic diagram of the structure of the foldable guardrail after folding in the present invention.

[0023] Figure 5 It is a schematic diagram of the structural separation of the foldable guardrail in the present invention.

[0024] Figure 6 It is a schematic diagram of the position structure of the rotating plate and the push handle ② in the present invention.

[0025] Figure 7 It is a schematic diagram of the connection structure of the mobile power component in the present invention.

[0026] Figure 8 It is a schematic diagram of the connection structure of the rotating power component in the present invention.

[0027] Fig. 9 It is a schematic diagram of the connection structure of the brake assembly in the present invention.

[0028] Fig.10 This is a structural separation diagram of the block and the guard frame in the present invention.

[0029] Fig.11 It is a schematic diagram of the connection structure of the height adjustment component in the present invention.

[0030] Fig.12 It is a schematic diagram of the connection structure of the backrest assembly in the present invention.

[0031] The markings in the accompanying drawings are: 1-bed frame, 2-blocking plate, 21-mounting frame, 21a-mounting slot, 22-rotating plate, 22a-control slot, 22b-fixing slot, 23-reset spring ①, 24-mounting block, 25-push handle ①, 25a-inclined surface ①, 26-transmission rod, 26a-guide rod, 26b-inclined surface ②, 27-push handle ②, 27a-bump, 27b-block, 28-reset spring ②, 3-mattress, 3a-fixing pad, 3b-lifting pad, 4-blocking frame, 5-bed foot, 5a-sub-column, 5b-mother column, 6-wheel, 61-mounting plate, 62-connecting shaft, 63-movable plate, 7-operation Control screen, 7a-operation key, 7b-card slot, 71-grip handle, 72-motor ①, 73-conveyor belt set, 81-motor ②, 82-bevel gear, 83-worm gear, 84-worm, 91-clamp ring, 92-brake rod, 92a-claw, 93-connecting rod, 94-gear ring, 95-reset spring ③, 96-block, 97-shift lever, 98-reset spring ④, 101-bidirectional screw, 102-moving ring ①, 103-X-frame, 104-motor ③, 105-flat gear, 111-mounting ring, 112-unidirectional screw, 113-moving ring ②, 114-connecting plate, 115-rocker. DETAILED DESCRIPTION

[0032] It should be noted that the technical solution of the present invention will be described in detail and completely below in combination with the drawings provided by the present invention and the marks in the drawings, corresponding to the technical solution of the present invention. However, the described content must only be one of the embodiments presented by the technical solution of the present invention, and cannot cover all the contents of the present invention. They are only embodiments of devices and methods consistent with some aspects of the present invention as detailed in the attached claims. Therefore, based on the embodiments listed in the present invention, any embodiments derived from the embodiments obtained by those skilled in the art without substantial creation shall fall within the scope of protection of the present invention.

[0033] Example 1: Figure 1 and Figure 2 As shown, it comprises: a bed frame 1; a mattress 3 arranged on the bed frame 1 for the patient to lie comfortably; a guardrail 4 fixedly installed on the front and rear sides of the bed frame 1; a folding guardrail arranged on the left and right sides of the bed frame 1, which can be conveniently operated and folded on both sides of the bed frame 1, so that medical staff can better move the patient; a bed foot 5 fixedly installed at the bottom of the bed frame 1, as shown in FIG. Fig.11 As shown, the bed foot 5 is composed of a sub-column 5a and a main column 5b, the sub-column 5a is fixedly installed at the bottom of the bed frame 1, and the sub-column 5a and the main column 5b are slidably installed; a wheel 6 is arranged at the bottom of the main column 5b of the bed foot 5; a moving power component is arranged on the front wheel 6, and the moving power component provides moving power for the transfer bed; a rotating power component is arranged on the rear wheel 6, and the rotating power component provides rotating power for the transfer bed. The moving power component is used in conjunction with the rotating power component to enable the transfer bed to move automatically, thereby reducing the burden on medical staff using the transfer bed and enabling the medical staff to better buy time for patients.

[0034] like Figure 3-Figure 6As shown, taking the folding guardrail position on the left side as an example, the folding guardrail includes: a mounting frame 21 fixedly mounted on the left side of the bed frame 1, and five mounting parts are arranged on the upper part of the mounting frame 21; rotating plates 22 rotatably mounted on the mounting parts of the mounting frame 21, that is, the mounting frame 21 is correspondingly connected with five rotating plates 22, and a control groove 22a is provided on the rotating plate 22 on the rear side; a reset spring ① 23 fixedly mounted between the rotating plate 22 on the rear side and the mounting frame 21; a baffle 2 rotatably mounted on the top of all the rotating plates 22, and the baffle 2 cooperates with the mounting frame 21 to make the five rotating plates 22 rotate synchronously, and the change law between the rotating plate 22 and the baffle 2 is similar to the change law of a parallelogram; fixedly mounted on the bed frame 1; a push handle ①25 slidably mounted on the mounting block 24, and a contact portion is provided on the push handle ①25, and the contact portion is provided with an inclined surface ①25a; a transmission rod 26 slidably mounted in the bed frame 1, the transmission rod 26 slides back and forth, and a guide rod 26a is provided on the rear side of the transmission rod 26, and the guide rod 26a is slidably mounted in the control groove 22a on the rotating plate 22, and an inclined surface ②26b is provided on the front side of the transmission rod 26, and the inclined surface ①25a contacts the inclined surface ②26b; a mounting groove 21a is provided on the mounting portion on the rear side of the mounting frame 21, and a push handle ②27 is slidably mounted in the mounting groove 21a, and two fixing grooves 22b are provided at the lower end of the rotating plate 22 on the rear side, with the rotation center of the rotating plate 22 as the center of the circle, and the inclined surface ①25a contacts the inclined surface ②26b. Figure 5 Taking the orientation as an example, the lower fixed groove 22b can overlap with the other fixed groove 22b after rotating 90 degrees counterclockwise. A protrusion 27a is installed on the top of the push handle ②27, and the protrusion 27a of the push handle ②27 can be inserted into the two fixed grooves 22b respectively. When the protrusions 27a of the push handle ②27 are respectively engaged in the two fixed grooves 22b, the position of the rotating plate 22 before and after folding will be fixed accordingly; a reset spring ②28 is fixedly installed between the push handle ②27 and the bed frame 1, and the reset spring ②28 is used to push the push handle ②27 to move to the left and reset. A stop block 27b is installed on the rear side of the push handle ②27, and the stop block 27b is located on the right side of the mounting frame 21. The stop block 27b limits the position of the push handle ②27 moving to the left, preventing the push handle ②27 from being detached from the fixed groove 22b after being reset by the reset spring ②28 and failing to fix the rotating plate 22. Similarly, the positional relationship of the various components in the folding guardrail on the right side will be symmetrical with the folding guardrail on the left side, and the remaining connection relationships are consistent.

[0035] Assuming that when the transfer bed is used to move the patient to the hospital bed, the moving power assembly and the rotating power assembly are first operated to move the transfer bed to the right side of the hospital bed. The bedside of the hospital bed will contact the folding guardrail on the left side of the transfer bed, and the bedside of the hospital bed pushes the push handle ①25 and the push handle ②27 to slide to the right at the same time. The push handle ②27 moves to the right, which will cause the protrusion 27a to disengage from the fixed groove 22b, releasing the restriction on the rotating plate 22, and the return spring ②28 is compressed. The push handle ①25 moves to the right, which will push the transmission rod 26 to move backward through the cooperation of the inclined surface ①25a and the inclined surface ②26b. The transmission rod 26 controls the lower end of the rotating plate 22 on the rear side to move backward through the guiding effect of the control groove 22a, so that the rotating plate 22 rotates. Under the action of the baffle plate 2, all the rotating plates 22 rotate. According to the change law of the parallelogram, the baffle plate 2 moves down, so that the entire folding bed can be folded. The guardrail is folded and retracted to the height of the bed frame 1, so the patient can easily move from the transfer bed to the hospital bed; after the transfer is completed, the transfer bed is moved away from the bedside, the return spring ①23 controls the rotating plate 22 to rotate back, the baffle plate 2 moves up and resets, the transmission rod 26 pushes the push handle ①25 to reset, the return spring ②28 pushes the push handle ②27 to reset, the protrusion 27a is snapped back into the fixed groove 22b, and the position of the rotating plate 22 is fixed again, the folding guardrail is stabilized, and the folding guardrail can play a protective role; when it is necessary to use the transfer bed independently and keep the folding guardrail in a folded state, first slide the push handle ②27 to release the lock on the rotating plate 22, and then press the baffle plate 2 downward to rotate the rotating plate 22, the transmission rod 26 and the push handle ①25 follow the movement, at this time release the push handle ②27, the protrusion 27a is snapped into another fixed groove 22b, and the folding guardrail can be kept folded.

[0036] like Figure 7 As shown, the mobile power assembly includes: a mounting plate 61 fixedly mounted at the bottom of the mother column 5b of the bed foot 5 on the front side, and a wheel 6 rotatably mounted on the lower part of the mounting plate 61; a connecting shaft 62 fixedly mounted between the two wheels 6, and the connecting shaft 62 makes the two wheels 6 coaxially fixed and rotate synchronously; a control screen 7 rotatably mounted on the front side guard frame 4; an operation key 7a fixedly mounted on the control screen 7 for controlling the use of the control screen 7; a gripping handle 71 fixedly mounted at the bottom of the control screen 7, and the gripping handle 71 can be used to control the rotation of the control screen 7; a motor ①72 fixedly mounted on the mounting plate 61; a conveyor belt group 73 mounted between the motor ①72 and the connecting shaft 62, and the two conveyor wheels of the conveyor belt group 73 are respectively mounted on the output shaft of the motor ①72 and the connecting shaft 62, and the conveyor belt of the conveyor belt group 73 is wound between the two conveyor wheels, so that the motor ①72 controls the rotation of the connecting shaft 62 through the conveyor belt group 73.

[0037] like Figure 8As shown, the rotating power assembly: a movable plate 63 is rotatably mounted at the bottom of the mother column 5b of the two rear bed legs 5; a motor ②81 is fixedly mounted on the mother column 5b of the left rear bed leg 5; a worm 84 is rotatably mounted between the mother columns 5b of the two bed legs 5; a worm wheel 83 is fixedly mounted on the rotating shafts of the two movable plates 63, and the two worm wheels 83 are respectively meshed with the two ends of the worm 84, and the rotation of the worm 84 is driven by the worm wheel 83 to control the synchronous change of angle of the wheels 6 on the two movable plates 63; bevel gears 82 are respectively fixedly mounted on the output end of the motor ②81 and on the rod body of the worm 84, and the two bevel gears 82 are meshed.

[0038] When the transfer bed needs to be moved, the medical staff uses the handle 71 to rotate the control screen 7 to a viewing angle suitable for the individual, and then uses the control screen 7 to start the motor ①72, and the connecting shaft 62 and the conveyor belt group 73 drive the front wheel 6 to rotate, so that the transfer bed moves automatically; the motor ①72 is controlled to reverse, and the transfer bed can be controlled to move backward; the motor ②81 is controlled to rotate forward and reverse through the control screen 7, and the bevel gear 82, the worm 84 and the worm wheel 83 are driven to rotate the movable plate 63 and the wheel 6 on the rear side, and the movement direction of the transfer bed is controlled by rotating the specified angle.

[0039] Embodiment 2: Based on embodiment 1, Fig. 9 and Fig.10 As shown, it also includes: a brake assembly for braking the transfer bed, which is arranged on the front wheel 6. The brake assembly includes: a snap ring 91 slidably mounted on the bottom of the front frame 4, and the gripping handle 71 can be engaged with the snap ring 91; a brake rod 92 slidably mounted on the mounting plate 61, and a gripping claw 92a is provided at the bottom of the brake rod 92; a connecting rod 93 rotatably mounted between the snap ring 91 and the brake rod 92; a gear ring 94 fixedly mounted on the connecting shaft 62, and the gripping claw 92a of the brake rod 92 can be engaged between the teeth of the gear ring 94 to limit the rotation of the gear ring 94 and even the connecting shaft 62; a return spring ③9 sleeved on the brake rod 92 5. Both ends of the return spring ③95 are fixed on the mounting plate 61 and the brake rod 92 respectively; a block 96 is slidably mounted on the front side of the guard frame 4, the block 96 is located on the left side of the control screen 7, and a slot 7b is provided on the control screen 7. The block 96 can slide into the slot 7b to limit the position of the control screen 7. A lever 97 is provided on the block 96 to facilitate the control of the sliding block 96; a return spring ④98 is fixedly mounted between the block 96 and the guard frame 4, and the return spring ④98 clamps the block 96 in the slot 7b.

[0040] When it is necessary to move the transfer bed, the block 96 is first slid out of the slot 7b by the lever 97, the gripping handle 71 is disengaged from the snap ring 91, and then the gripping handle 71 is gripped to operate the control screen 7 while controlling the transfer bed, and the control screen 7 is used to move the transfer bed; when it is necessary to stop moving the transfer bed, the moving power assembly is first turned off by the control screen 7, the control screen 7 is turned back, the block 96 is slid into the slot 7b, and the position of the control screen 7 is fixed. At this time, the gripping handle 71 is engaged in the snap ring 91 and pushes the snap ring 91 to move backward. Through the transmission of the connecting rod 93, the brake rod 92 is moved downward so that its gripping claw 92a is inserted into the gear ring 94, thereby restricting the movement of the connecting shaft 62 and even the front wheel 6; when the gripping handle 71 is disengaged from the snap ring 91, the reset spring ④ 98 moves the brake rod 92 upward to reset, the gripping claw 92a is disengaged from the gear ring 94 to release the restriction on the gear ring 94, and the brake rod 92 moves upward and moves the snap ring 91 forward through the connecting rod 93 to reset.

[0041] like Fig.11 As shown, it also includes: a height adjustment component arranged between the bed legs 5 for adjusting the height of the transfer bed. The height adjustment component includes: a bidirectional screw 101 rotatably installed between the female columns 5b of the two bed legs 5 on the front and rear sides, and two bidirectional screws 101 are provided; a moving ring ①102 threadedly installed on the bidirectional screw 101, and a moving ring ①102 is threadedly installed on different threads on each bidirectional screw 101, that is, four moving rings ①102 are provided; an X-shaped frame 103 installed between the bed frame 1 and the moving ring ①102, the upper end of the X-shaped frame 103 is slidably and rotatably installed at the bottom of the bed frame 1, and the lower end of the X-shaped frame 103 is rotatably installed with each moving ring ①102; a motor ③104 installed on the female columns 5b of the two bed legs 5 on the front side; and flat gears 105 fixedly installed on the output end of the motor ③104 and the front ends of the two bidirectional screws 101, respectively, and the two flat gears 105 on the motor ③104 and the bidirectional screw 101 are meshed.

[0042] The motor ③104 is started by controlling the control panel 7, and the bidirectional screw 101 is rotated by the transmission control of the flat gear 105. The angle of the X-frame 103 can be changed by moving the ring ①102, thereby changing the height of the X-frame 103, and the mother column 5b and the child column 5a slide relative to each other, changing the length of the bed foot 5, and realizing the height adjustment of the transfer bed.

[0043] like Fig.12As shown, the mattress 3 is composed of a fixed pad 3a and a lifting pad 3b, wherein the fixed pad 3a is fixedly mounted on the bed frame 1, and the lifting pad 3b is rotatably mounted on the rear side of the fixed pad 3a; and also includes: a backrest adjustment assembly arranged at the bottom of the mattress 3. The backrest adjustment assembly comprises: a mounting ring 111 fixedly mounted on the front and rear sides of the bed frame 1; a one-way screw 112 rotatably mounted between the two mounting rings 111, and a rocker 115 is provided at the front end of the one-way screw 112; a moving ring ② 113 threadedly mounted on the thread of the one-way screw 112; and a connecting plate 114 rotatably mounted between the moving ring ② 113 and the bottom of the lifting pad 3b.

[0044] Use the rocker 115 to rotate the one-way screw 112 to control the movable ring ②113 to move forward and backward, so that the connecting plate 114 can be rotated, and the height of the upper end of the connecting plate 114 can be changed, thereby supporting and changing the height of the lifting pad 3b, and making the lifting pad 3b rotate relative to the fixed pad 3a, that is, the part of the patient on the lifting pad 3b can be raised according to the actual situation of the patient.

[0045] The above-mentioned embodiments only express the preferred implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person skilled in the art, several modifications, improvements and substitutions can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the attached claims.

Claims

1. A medical electric transfer bed, comprising: A bed frame (1); a mattress (3) connected to the bed frame (1) for a patient to lie on; A guardrail (4) fixedly connected to the front and rear sides of the bed frame (1); a bed foot (5) fixedly connected to the bottom of the bed frame (1); and a wheel (6) connected to the bottom of the bed foot (5); characterized in that it also includes: a foldable guardrail arranged on the bed frame (1) and capable of being folded and retracted; a mobile power assembly arranged on the front wheel (6) for providing mobile power for the transfer bed; a rotating power assembly arranged on the rear wheel (6) for providing rotating power for the transfer bed, the mobile power assembly being used in conjunction with the rotating power assembly to control the automatic movement of the transfer bed; The folding guardrail comprises: a mounting frame (21) fixedly connected to the side of the bed frame (1); a rotating plate (22) rotatably connected to the mounting frame (21), wherein at least three rotating plates (22) are connected to the mounting frame (21); a return spring (23) fixedly connected between any rotating plate (22) and the mounting frame (21); a baffle (2) rotatably connected to the top of all the rotating plates (22), wherein the baffle (2) cooperates with the mounting frame (21) so that all the rotating plates (22) can be folded. (22) synchronously rotates; a mounting block (24) fixedly connected to the bed frame (1); a push handle ① (25) slidably connected to the mounting block (24), and a slope ① (25a) is provided on the push handle ① (25); a transmission rod (26) slidably connected to the bed frame (1), and the rear end of the transmission rod (26) is slidably connected to any rotating plate (22), and a slope ② (26b) is provided on the transmission rod (26), and the slope ① (25a) contacts the slope ② (26b).

2. The medical electric transfer bed according to claim 1, characterized in that: The foldable guardrail further comprises: a push handle ② (27) slidably connected to the mounting frame (21), the push handle ② (27) being capable of being inserted into one of the rotating plates (22) to fix the position of the rotating plate (22); and a return spring ② (28) fixedly connected between the push handle ② (27) and the bed frame (1).

3. The medical electric transfer bed according to claim 2, characterized in that: When the rotating plate (22) is in the forward and backward rotation states respectively, the push handle ② (27) can be plugged into the rotating plate (22) to fix the forward and backward rotation positions of the rotating plate (22) respectively.

4. The medical electric transfer bed according to claim 3, characterized in that: The mobile power assembly comprises: a mounting plate (61) fixedly connected to the lower part of the bed foot (5) at the front side, two wheels (6) rotatably connected to the left and right sides of the lower part of the mounting plate (61); a connecting shaft (62) fixedly connected between the two wheels (6), the connecting shaft (62) makes the two wheels (6) coaxially fixed and synchronously rotate; a control screen (7) connected to the guardrail (4) at the front side; a gripping handle (71) fixedly connected to the bottom of the control screen (7); a motor (72) fixedly connected to the mounting plate (61), the motor (72) being connected to the control screen (7) by electrical signals; and a conveyor belt group (73) connected between the motor (72) and the connecting shaft (62).

5. The medical electric transfer bed according to claim 4, characterized in that: The rotating power assembly comprises: a movable plate (63) rotatably connected to the lower part of the two bed legs (5) at the rear side; a motor (81) fixedly connected to any one of the bed legs (5) at the rear side, the motor (81) being connected to the control screen (7) by electrical signals; a worm (84) rotatably connected between the two bed legs (5) at the rear side; worm wheels (83) respectively fixedly connected to the rotating shafts of the two movable plates (63), the two worm wheels (83) respectively meshing with the two ends of the worm (84); and bevel gears (82) respectively fixedly connected to the output end of the motor (81) and the shaft of the worm (84), the bevel gears (82) meshing with each other.

6. The medical electric transfer bed according to claim 5, characterized in that: The control panel (7) is rotatably connected to the guardrail (4), and further comprises: a brake assembly arranged on the front wheel (6) for braking the transfer bed; The brake assembly comprises: a snap ring (91) slidably connected to the bottom of the front side guard frame (4), and the gripping handle (71) can be snapped with the snap ring (91); a brake rod (92) slidably connected to the mounting plate (61); a connecting rod (93) rotatably connected between the snap ring (91) and the brake rod (92); a gear ring (94) fixedly connected to the connecting shaft (62), and the brake rod (92) can be snapped between the teeth of the gear ring (94) to limit the rotation of the gear ring (94) and even the connecting shaft (62). The brake lever (92) is movable; a return spring ③ (95) is sleeved on the brake lever (92), and the two ends of the return spring ③ (95) are respectively fixed on the mounting plate (61) and the brake lever (92); a clamping block (96) is slidably connected to the front side of the blocking frame (4), and a clamping groove (7b) is provided on the control panel (7), and the clamping block (96) can slide into the clamping groove (7b) to limit the position of the control panel (7); a return spring ④ (98) is fixedly connected between the clamping block (96) and the blocking frame (4).

7. The medical electric transfer bed according to claim 6, characterized in that: The bed foot (5) is composed of a sub-column (5a) and a main column (5b), and the sub-column (5a) and the main column (5b) are slidably connected; and further comprises: a height adjustment component arranged between the bed foot (5) for adjusting the height of the transfer bed; The height adjustment component comprises: a bidirectional screw rod (101) rotatably connected between the female columns (5b) of two adjacent bed legs (5), wherein two bidirectional screw rods (101) are provided; a moving ring ① (102) threadedly connected to the bidirectional screw rod (101); an X-shaped frame (103) connected between the bed frame (1) and the moving ring ① (102), wherein the upper end of the X-shaped frame (103) is slidably and rotatably connected to the bottom of the bed frame (1), and the lower end of the X-shaped frame (103) is connected to the bed frame (1). The movable ring ① (102) is rotatably connected; a motor ③ (104) is fixedly connected to the female column (5b) of the bed foot (5), and the motor ③ (104) is electrically connected to the control panel (7); a flat gear (105) is respectively fixedly connected to the output end of the motor ③ (104) and the rod body of the bidirectional screw (101), and the flat gears (105) are meshed with each other, and the motor ③ (104) controls the bidirectional screw (101) to rotate through the transmission of the flat gear (105).

8. The medical electric transfer bed according to claim 7, characterized in that: The mattress (3) is composed of a fixed pad (3a) and a lifting pad (3b), wherein the fixed pad (3a) is fixedly connected to the bed frame (1), and the lifting pad (3b) is rotatably connected to the fixed pad (3a), and further comprises: a backrest adjustment component arranged at the bottom of the mattress (3); The backrest adjustment assembly comprises: a one-way screw (112) rotatably connected to the bottom of the bed frame (1); a moving ring ② (113) threadedly connected to the thread of the one-way screw (112); and a connecting plate (114) rotatably connected between the moving ring ② (113) and the bottom of the lifting cushion (3b).

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