CN111265375A - Household multifunctional bed with adjustable posture for old people - Google Patents

Abstract

The invention discloses a multifunctional elderly bed with adjustable posture for family use, which comprises an integral bed frame, a lifting mechanism, a rotating mechanism, a back support mechanism, a leg bending mechanism and a controller; the lifting mechanism includes a fixed support, two guide rails I, Lifting motor, scissor arm, lifting table, screw I, slider and two connecting rods I; the overall bed frame includes a back board, a hip board, a leg board, a support platform, two support side boards and a support frame; a rotating mechanism Including rotating motor, bevel gear I, bevel gear II and main shaft; back support mechanism includes drive motor I, back support rod mechanism, support back slider, two guide rails III and screw II; leg bending mechanism includes two guide rails IV, The screw III, two leg bending rods, the driving motor II and the leg bending slider; the controller is respectively connected to the lifting motor, the rotating motor, the driving motor I and the driving motor II; the invention has strong adaptability and wide application range, and can be used in household , hospitals, nursing homes and other occasions.

Description

A family-use posture-adjustable multifunctional elderly bed

technical field

The invention belongs to the field of home care beds, and in particular relates to a family-use posture-adjustable multifunctional bed for the elderly.

Background technique

my country's "low birthrate" crisis is imminent, the number of elderly people is increasing, and the number of young people is decreasing, and the problem of old-age care is becoming more and more serious. At present, there are nearly 100 million empty-nest and single-living elderly people in my country, and the weakened family pension function urgently needs to be supplemented by the social pension system.

At present, the resources of social pension and institutional pension are already in short supply. If the elderly can take care of themselves at home, complete some daily life independently, and take care of others by their relatives, it will be the best solution for the current pension problem.

Some nursing beds on the market are often expensive and have complex functions, which are not suitable for ordinary families. This requires a multifunctional bed for the elderly, which can assist the elderly to complete their daily life in view of the weakness of the legs and feet of the elderly.

SUMMARY OF THE INVENTION

The technical solution adopted to achieve the purpose of the present invention is as follows, a family-use posture-adjustable multi-functional bed for the elderly, including an integral bed frame, a lifting mechanism, a rotating mechanism, a back support mechanism, a leg bending mechanism and a controller.

The lifting mechanism includes a fixed support, two guide rails I, a lifting motor, a scissor arm, a lifting platform, a screw rod I, a sliding block and two connecting rods I.

The fixed support is fixed on the ground. The two said guide rails I are symmetrically installed on both sides of the fixed support.

The lift motor is mounted on the fixed support and located between the two guide rails I. The lead screw I is connected with the output end of the lift motor. The slider is connected with the screw rod I, and the rotation of the screw rod I drives the slider to slide in the direction of the screw rod I.

Both ends of the two connecting rods I are slidably connected in the two guide rails I. The two connecting rods I are arranged in parallel, wherein one connecting rod is located in the direction of the output end of the lifting motor, and the other connecting rod is located in the direction of the fan end of the lifting motor, wherein the connecting rod I located in the direction of the output end of the lifting motor is fixed to the slider connect.

Two parallel guide rails II are installed on both sides of the lifting platform. Two connecting rods II are slidably connected in the two guide rails II.

The lower end of the scissor arm is connected with two connecting rods I, and the upper end is connected with two connecting rods II.

The integral bed frame includes a back panel, a hip panel, a leg panel, a supporting platform, two supporting side panels and a supporting frame.

The supporting platform is installed on the lifting platform.

The support frame is placed on the upper surface of the support platform. The support frame is provided with a support column.

The two supporting side plates are symmetrically installed on both sides of the supporting frame.

The hip plate is mounted on the two supporting side plates and the supporting column, and the hip plate is parallel to the supporting platform. One end of the hip panel is hinged with the back panel, and the other end is hinged with the leg panel.

The rotating mechanism includes a rotating motor, a bevel gear I, a bevel gear II and a main shaft.

The rotating motor is fixed on the lifting platform. The bevel gear I is fixed on the output shaft of the rotating electrical machine.

The upper end of the main shaft is fixed on the support frame, and the lower end is connected to the bevel gear II. The bevel gear II meshes with the bevel gear I. When the rotating motor runs, the main shaft rotates, and the main shaft drives the support frame to rotate.

The back support mechanism includes a drive motor I, a back support rod mechanism, a back support slider, two guide rails III and a lead screw II.

The two said guide rails III are symmetrically mounted on the support frame and are located under the back panel.

The drive motor I is mounted on the support frame and is located between the two guide rails III.

The lead screw II is connected to the output end of the drive motor I. The middle part of the support back slider is connected with the lead screw II, the two ends of the support back slide block are slidably connected in two guide rails III respectively, and the screw rod II rotates and drives the support back slide block to slide along the guide rail III.

The back support rod mechanism includes two first support rods and two second support rods.

One end of the two first support rods is rotatably connected to the support frame, and the other end is rotatably connected to the back panel.

One end of the two second support rods is rotatably connected to the support back slider, and the other ends are hinged to the middle of the two first support rods respectively.

The leg bending mechanism includes two guide rails IV, a screw rod III, two leg bending rods, a driving motor II and a leg bending slider.

The two said guide rails IV are mounted symmetrically on the support frame and are located below the hip plate.

The drive motor II is mounted on the support frame and located between the two guide rails IV.

The lead screw III is connected to the output end of the drive motor II. The middle part of the leg-flexing slider is connected with the screw rod III, the two ends of the leg-flexing slider are slidably connected in the two guide rails IV, and the rotation of the screw rod III drives the leg-flexing slider to slide along the guide rail IV.

One end of the two leg-bending rods is rotatably connected to the leg-bending slider, and the other ends are both rotatably connected to the leg plate.

The controller is respectively connected to the lifting motor, the rotating motor, the driving motor I and the driving motor II.

Further, during operation, the controller outputs a control signal to control the operation of the drive motor I, and the drive motor I drives the screw II to rotate. The lead screw II rotates to drive the back support slider to slide along the guide rail III, the back support rod mechanism pushes the back plate to flip up to a specified angle, and the controller outputs a control signal to control the drive motor I to stop.

The controller outputs a control signal to control the operation of the drive motor II, and the drive motor II drives the lead screw III to rotate. The rotation of the screw rod III drives the leg bending slider to slide along the guide rail IV, the two leg bending rods push the leg plate to turn down to a specified angle, and the controller outputs a control signal to control the drive motor II to stop.

The controller outputs a control signal to control the operation of the rotary motor, and the rotary motor drives the main shaft to rotate. The main shaft drives the support frame to rotate to a specified angle, and the controller outputs a control signal to control the rotating motor to stop.

The controller outputs a control signal to control the operation of the lift motor, and the lift motor drives the screw rod I to rotate. The rotation of the screw rod I drives the slider to slide in the direction of the screw rod I, and the two connecting rods I slide along the guide rail I, which drives the scissor arm to open to make the support platform drop to a specified height, and the controller outputs a control signal to control the operation of the lifting motor. downtime.

Further, the integral bed frame further includes a tail board, a head board and a foot board.

The headboard and the footboard are respectively installed on both ends of the support platform. The tail board is fixed above the support platform through the bracket, and is located between the foot board and the leg board.

Further, an anti-skid pad is installed at the bottom of the fixed support.

Further, a limit assembly for limiting the sliding distance of the connecting rod I is installed on the two guide rails I.

Further, the lifting motor, the rotating motor, the driving motor I and the driving motor II are all geared motors. The reduction gears of the elevating motor, the rotating motor, the driving motor I and the driving motor II contain a worm gear reduction mechanism.

Further, the rotating mechanism further includes a limiting mechanism. The limiting mechanism is fixed on the lifting platform. The output shaft of the rotating electrical machine penetrates into the limiting mechanism.

The technical effect of the present invention is beyond doubt, has the following advantages:

1) It has strong adaptability and wide application range, and can be used in various occasions such as families, hospitals, nursing homes, etc.;

2) The structure of the mechanical device is free and flexible, and the elderly do not need to add artificial assistance to get in and out of bed; the control system is easy to operate, and the movement trajectory is set in advance according to the needs of the elderly, and the remote control makes the whole device move according to the established trajectory, which can ensure the safety and comfort of the elderly. Under the premise, it can quickly realize the change of bed and chair, and life is more convenient;

3) The overall height can be adjusted through the lifting mechanism to adapt to people of different heights and shapes;

4) Relying on the mechanical limit mechanism to ensure the safety and accuracy of the action; and the strength and durability of the entire device are sufficient, and there are no delicate and fragile parts.

Description of drawings

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

Fig. 2 is the three-dimensional structure schematic diagram of the present invention;

Fig. 3 is the three-dimensional structural schematic diagram of the lifting mechanism of the present invention;

Fig. 4 is the three-dimensional structural representation of the integral bed frame of the present invention, the back support mechanism and the leg bending mechanism;

5 is a schematic diagram of a rotating mechanism of the present invention;

FIG. 6 is a working flow chart of the present invention.

In the figure: overall bed frame 1, back board 101, hip board 102, leg board 103, tail board 104, support platform 105, support side board 106, support frame 107, support column 1071, head board 108, bed tail board 109, Lifting mechanism 2, fixed support 201, guide rail I202, lift motor 203, scissor arm 204, lift table 205, guide rail II2051, connecting rod II2052, screw rod I206, slider 207, connecting rod I208, limit assembly 209, rotation Mechanism 3, rotating motor 301, limit mechanism 302, bevel gear I303, bevel gear II304, main shaft 305, back support mechanism 4, drive motor I401, back support rod mechanism 402, first support rod 4021, second support rod 4022, Back support slider 403 , guide rail III404 , lead screw II405 , leg bending mechanism 5 , guide rail IV501 , lead screw III502 , bending leg rod 503 , drive motor II504 and bending leg slider 505 .

Detailed ways

The present invention will be further described below in conjunction with the examples, but should not be construed as the above-mentioned subject scope of the present invention is limited to the following examples. Without departing from the above-mentioned technical idea of the present invention, according to common technical knowledge and customary means in the field, various replacements and changes are made, all of which should be included in the protection scope of the present invention.

Example 1:

This embodiment discloses a multifunctional elderly bed with adjustable posture for family use, see Fig. 1 , which includes an integral bed frame 1, a lifting mechanism 2, a rotating mechanism 3, a back support mechanism 4, a leg bending mechanism 5 and a controller.

2 and 3, the lifting mechanism 2 includes a fixed support 201, two guide rails I202, a lifting motor 203, a scissor arm 204, a lifting platform 205, a screw rod I206, a slider 207 and two connecting rods I208.

The fixed support 201 is fixed on the ground, and the bottom of the fixed support 201 is provided with a non-slip pad. The two guide rails I202 are symmetrically fixed on both sides of the fixed support 201 .

The lift motor 203 is fixed on the fixed support 201 and is located between the two guide rails I202. The lead screw I206 is connected with the output shaft of the lift motor 203 through a coupling. The slider 207 is connected with the screw rod I206, and the rotation of the screw rod I206 drives the slider 207 to slide in the direction of the screw rod I206.

Both ends of the two connecting rods I208 are slidably connected in the two guide rails I202. The two connecting rods I208 are arranged in parallel, one of the connecting rods 280 is located in the direction of the output shaft of the lifting motor 203, and the other connecting rod 280 is located in the direction of the fan end of the lifting motor 203, wherein the connecting rod located in the direction of the output shaft of the lifting motor 203 The I208 is fixedly connected with the slider 207 .

Two parallel guide rails II2051 are fixed on both sides of the lifting platform 205, and the two guide rails II2051 and the two guide rails I202 correspond to each other. Two connecting rods II2052 are slidably connected to the two guide rails II2051.

The lower end of the scissor arm 204 is rotatably connected with two connecting rods I208, and the upper end is rotatably connected with two connecting rods II2052. The elevating motor 203 controls the extension state of the scissor arm 204 through the screw rod I206 and the slider 207 mechanism. Limiting components 209 for limiting the sliding distance of the connecting rods I208 are fixed on the two guide rails I202. In this embodiment, the limiting components 209 are limiting blocks.

The integrated bed frame 1 includes a back panel 101, a hip panel 102, a leg panel 103, a tail panel 104, a supporting platform 105, two supporting side panels 106, a supporting frame 107, a headboard 108 and a footboard 109.

The supporting platform 105 is fixedly connected to the lifting platform 205 .

The support frame 107 is placed on the upper surface of the support platform 105 . Referring to Fig. 4, a support column 1071 is protruded upward from the support frame 107.

The two supporting side plates 106 are symmetrically fixed on both sides of the supporting frame 107 by screws.

The hip plate 102 is fixed on the two supporting side plates 106 and the supporting column 1071, and the hip plate 102 is parallel to the supporting platform 105. One end of the hip panel 102 is hinged with the back panel 101, and the other end is hinged with the leg panel 103.

The headboard 108 and the footboard 109 are respectively installed on both ends of the support platform 105 . The tail board 104 is fixed above the support platform 105 through a bracket, and is located between the bed tail board 109 and the leg board 103 .

Referring to FIG. 5 , the rotating mechanism 3 includes a rotating motor 301 , a limit mechanism 302 , a bevel gear I303 , a bevel gear II 304 and a main shaft 305 .

The rotating motor 301 is fixed on the lifting platform 205 . The bevel gear I303 is fixed on the output shaft of the rotating electrical machine 301.

The upper end of the main shaft 305 is fixed on the support frame 107, and the lower end is connected to the bevel gear II 304. The bevel gear II304 meshes with the bevel gear I303. The limiting mechanism 302 is fixed on the lifting platform 205 . The output shaft of the rotating electrical machine 301 is inserted into the limiting mechanism 302, and the rotating electrical machine 301 and the bevel gear I303 are further fixed by the limiting mechanism 302. When the rotary motor 301 operates, the main shaft 305 rotates, and the main shaft 305 drives the support frame 107 to rotate.

The back support mechanism 4 includes a drive motor I401, a back support rod mechanism 402, a back support slider 403, two guide rails III404 and a lead screw II405.

The two guide rails III404 are symmetrically fixed on the support frame 107, and are located below the back panel 101.

The drive motor I401 is fixed on the support frame 107 and is located between the two guide rails III404.

The lead screw II405 is connected with the output shaft of the drive motor I401. The middle of the support back slider 403 is connected with the lead screw II405, the two ends of the support back slide block 403 are respectively slidably connected in the two guide rails III404, and the lead screw II405 rotates to drive the support back slide block 403 to slide along the guide rail III404.

The back support rod mechanism 402 includes two first support rods 4021 and two second support rods 4022.

One end of the two first support rods 4021 is rotatably connected to the support frame 107 through the shaft hole, and the other end is rotatably connected to the back panel 101 through the shaft hole.

One end of the two second support rods 4022 is rotatably connected to the support back slider 403 through the shaft hole, and the other end is hinged to the middle of the two first support rods 4021 respectively.

The leg bending mechanism 5 includes two guide rails IV501, a screw rod III502, two leg bending rods 503, a driving motor II504 and a leg bending slider 505.

The two guide rails IV501 are symmetrically fixed on the support frame 107, and are located below the hip plate 102.

The drive motor II504 is fixed on the support frame 107 and is located between the two guide rails IV501.

The lead screw III502 is connected to the output shaft of the drive motor II504. The middle part of the leg bending slider 505 is connected with the screw rod III502, and the two ends of the bending leg slider 505 are slidably connected in two guide rails IV501, and the screw rod III502 rotates and drives the bending leg slider 505 to slide along the guide rail IV501.

One end of the two described leg bending rods 503 is rotatably connected to the leg bending slider 505 through the shaft hole, and the other end is rotatably connected to the leg plate 103 through the shaft hole.

The controller is respectively connected to the lift motor 203, the rotation motor 301, the drive motor I401 and the drive motor II504.

Further, the elevating motor 203, the rotating motor 301, the driving motor I401 and the driving motor II504 are all geared motors. The reduction gears of the elevating motor 203, the rotating motor 301, the driving motor I401 and the driving motor II504 include a worm gear reduction mechanism.

Referring to Fig. 6, when working, the controller is turned on through a button or wireless remote control, and the drive motor I401 is controlled to run by the controller outputting a control signal, and the drive motor I401 drives the screw II405 to rotate. The screw II405 rotates to drive the back support slider 403 to slide along the guide rail III404, and the second support rod 4022 of the support back rod mechanism 402 follows the support back slide block 403 to do translation, and generates a rotational movement around the axis, the first support rod 4021 rotates around the fixed point of the support frame 107, pushes the back panel 101 to flip up to a specified angle, and the controller outputs a control signal to control the drive motor I401 to stop.

The controller outputs a control signal to control the operation of the driving motor II504, and the driving motor II504 drives the screw III502 to rotate. The rotation of the screw rod III502 drives the leg bending slider 505 to slide along the guide rail IV501. One end of the two leg bending rods 503 follows the bending leg slider 505 to perform translational motion, and generates a rotational movement around the axis, and the other end directly pushes the leg plate 103 Flip down to a specified angle, the controller outputs a control signal to control the drive motor II504 to stop.

The controller outputs a control signal to control the operation of the rotary motor 301 , and the rotary motor 301 drives the main shaft 305 to rotate. The main shaft 305 drives the support frame 107 to rotate to a specified angle, and the controller outputs a control signal to control the rotary motor 301 to stop.

The controller outputs a control signal to control the operation of the lift motor 203, and the lift motor 203 drives the lead screw I206 to rotate. The rotation of the screw rod I206 drives the slider 207 to slide in the direction of the screw rod I206, and the two connecting rods I208 slide along the guide rail I202 to drive the scissor arm 204 to open to make the support platform 105 drop to a specified height, and the controller outputs a control signal to control When the lift motor 203 runs and stops, the old man can get out of bed.

The bed for the elderly disclosed in this embodiment has strong adaptability and a wide range of applications, and can be used in various occasions such as families, hospitals, nursing homes, etc.; the mechanical device structure is free and flexible, and the elderly do not need external artificial assistance to get into and out of bed; the control system is easy to operate, The movement trajectory is set according to the needs of the elderly in advance, and the remote control makes the whole device move according to the established trajectory. Under the premise of ensuring the safety and comfort of the elderly, the bed and chair can be changed quickly, making life more convenient; the overall height can be adjusted through the lifting mechanism to adapt to People of different heights and shapes; rely on the mechanical limit mechanism to ensure the safety and accuracy of the action; and the strength and durability of the entire device are sufficient, and there are no delicate and fragile parts.

Example 2:

This embodiment provides a relatively basic implementation, a home-use posture-adjustable multifunctional elderly bed, see FIG. 1 , including an integral bed frame 1 , a lifting mechanism 2 , a rotating mechanism 3 , a back support mechanism 4 , and a leg bending mechanism 5 and the controller.

2 and 3, the lifting mechanism 2 includes a fixed support 201, two guide rails I202, a lifting motor 203, a scissor arm 204, a lifting platform 205, a screw rod I206, a slider 207 and two connecting rods I208.

The fixed support 201 is fixed on the ground. The two guide rails I202 are symmetrically fixed on both sides of the fixed support 201.

The lift motor 203 is fixed on the fixed support 201 and is located between the two guide rails I202. The lead screw I206 is connected with the output shaft of the lift motor 203 through a coupling. The slider 207 is connected with the screw rod I206, and the rotation of the screw rod I206 drives the slider 207 to slide in the direction of the screw rod I206.

Both ends of the two connecting rods I208 are slidably connected in the two guide rails I202. The two connecting rods I208 are arranged in parallel, one of the connecting rods 280 is located in the direction of the output shaft of the lifting motor 203, and the other connecting rod 280 is located in the direction of the fan end of the lifting motor 203, wherein the connecting rod located in the direction of the output shaft of the lifting motor 203 The I208 is fixedly connected with the slider 207 .

Two parallel guide rails II2051 are fixed on both sides of the lifting platform 205, and the two guide rails II2051 and the two guide rails I202 correspond to each other. Two connecting rods II2052 are slidably connected to the two guide rails II2051.

The lower end of the scissor arm 204 is rotatably connected with two connecting rods I208, and the upper end is rotatably connected with two connecting rods II2052. The elevating motor 203 controls the extension state of the scissor arm 204 through the screw rod I206 and the slider 207 mechanism.

The integral bed frame 1 includes a back panel 101, a hip panel 102, a leg panel 103, a supporting platform 105, two supporting side panels 106 and a supporting frame 107.

The supporting platform 105 is fixedly connected to the lifting platform 205 .

The support frame 107 is placed on the upper surface of the support platform 105 . Referring to Fig. 4, a support column 1071 is protruded upward from the support frame 107.

The two supporting side plates 106 are symmetrically fixed on both sides of the supporting frame 107 by screws.

The hip plate 102 is fixed on the two supporting side plates 106 and the supporting column 1071, and the hip plate 102 is parallel to the supporting platform 105. One end of the hip panel 102 is hinged with the back panel 101, and the other end is hinged with the leg panel 103.

Referring to FIG. 5 , the rotating mechanism 3 includes a rotating motor 301, a bevel gear I303, a bevel gear II 304, and a main shaft 305.

The rotating motor 301 is fixed on the lifting platform 205 . The bevel gear I303 is fixed on the output shaft of the rotating electrical machine 301.

The upper end of the main shaft 305 is fixed on the support frame 107, and the lower end is connected to the bevel gear II 304. The bevel gear II304 meshes with the bevel gear I303. When the rotating motor 301 operates, the main shaft 305 rotates, and the main shaft 305 drives the support frame 107 to rotate.

The back support mechanism 4 includes a drive motor I401, a back support rod mechanism 402, a back support slider 403, two guide rails III404 and a lead screw II405.

The two guide rails III404 are symmetrically fixed on the support frame 107 and are located below the back panel 101.

The drive motor I401 is fixed on the support frame 107 and is located between the two guide rails III404.

The lead screw II405 is connected with the output shaft of the drive motor I401. The middle of the support back slider 403 is connected with the lead screw II405, the two ends of the support back slide block 403 are respectively slidably connected in the two guide rails III404, and the lead screw II405 rotates to drive the support back slide block 403 to slide along the guide rail III404.

The back support rod mechanism 402 includes two first support rods 4021 and two second support rods 4022.

One end of the two first support rods 4021 is rotatably connected to the support frame 107 through the shaft hole, and the other end is rotatably connected to the back plate 101 through the shaft hole.

One end of the two second support rods 4022 is rotatably connected to the support back slider 403 through the shaft hole, and the other end is hinged to the middle of the two first support rods 4021 respectively.

The leg bending mechanism 5 includes two guide rails IV501, a screw rod III502, two leg bending rods 503, a driving motor II504 and a leg bending slider 505.

The two guide rails IV501 are symmetrically fixed on the support frame 107, and are located below the hip plate 102.

The drive motor II504 is fixed on the support frame 107 and is located between the two guide rails IV501.

The lead screw III502 is connected to the output shaft of the drive motor II504. The middle part of the leg bending slider 505 is connected with the screw rod III502, and the two ends of the bending leg slider 505 are slidably connected in two guide rails IV501, and the screw rod III502 rotates and drives the bending leg slider 505 to slide along the guide rail IV501.

One end of the two described leg bending rods 503 is rotatably connected to the leg bending slider 505 through the shaft hole, and the other end is rotatably connected to the leg plate 103 through the shaft hole.

The controller is respectively connected to the lift motor 203, the rotary motor 301, the drive motor I401 and the drive motor II 504, and the controller controls the operation and stop of the lift motor 203, the rotary motor 301, the drive motor I401 and the drive motor II 504 respectively.

Example 3:

The main structure of this embodiment is the same as that of Embodiment 2. Further, referring to FIG. 6 , during operation, the controller is turned on through a button or wireless remote control, and the controller outputs a control signal to control the operation of the driving motor I401, and the driving motor I401 drives the screw II405 to rotate . The screw II405 rotates to drive the back support slider 403 to slide along the guide rail III404, and the second support rod 4022 of the support back rod mechanism 402 follows the support back slider 403 to perform translational motion, and generates a rotational motion around the axis, the first support rod The 4021 rotates around the fixed point of the support frame 107, pushes the back panel 101 to flip up to a specified angle, and the controller outputs a control signal to control the drive motor I401 to stop.

The controller outputs a control signal to control the operation of the driving motor II504, and the driving motor II504 drives the screw III502 to rotate. The rotation of the screw rod III502 drives the leg bending slider 505 to slide along the guide rail IV501. One end of the two leg bending rods 503 translates with the leg bending slider 505, and generates a rotational movement around the axis, and the other end directly pushes the leg plate 103 Flip down to a specified angle, the controller outputs a control signal to control the drive motor II504 to stop.

The controller outputs a control signal to control the operation of the rotary motor 301 , and the rotary motor 301 drives the main shaft 305 to rotate. The main shaft 305 drives the support frame 107 to rotate to a specified angle, and the controller outputs a control signal to control the rotary motor 301 to stop.

The controller outputs a control signal to control the operation of the lift motor 203, and the lift motor 203 drives the lead screw I206 to rotate. The rotation of the screw rod I206 drives the slider 207 to slide in the direction of the screw rod I206, and the two connecting rods I208 slide along the guide rail I202 to drive the scissor arm 204 to open to make the support platform 105 drop to a specified height, and the controller outputs a control signal to control When the lift motor 203 runs and stops, the old man can get out of bed.

Example 4:

The main structure of this embodiment is the same as that of the second embodiment. Further, the integral bed frame 1 further includes a tail board 104, a head board 108 and a tail board 109.

The headboard 108 and the footboard 109 are respectively fixed on both ends of the support platform 105 . The tail board 104 is fixed above the support platform 105 through a bracket, and is located between the bed tail board 109 and the leg board 103 .

Example 5:

The main structure of this embodiment is the same as that of Embodiment 2, and further, an anti-skid pad is installed at the bottom of the fixed support 201, which plays a role of anti-skid.

Example 6:

The main structure of this embodiment is the same as that of Embodiment 2. Further, a limit assembly 209 for limiting the sliding distance of the connecting rod I208 is fixed on the two guide rails I202. In this embodiment, the limit assembly 209 is a limit block. The limiting assembly 209 ensures the safety of the entire bed.

Example 7:

The main structure of this embodiment is the same as that of Embodiment 2, and further, the lifting motor 203, the rotating motor 301, the driving motor I401 and the driving motor II504 are all geared motors. The reduction gears of the elevating motor 203, the rotating motor 301, the driving motor I401 and the driving motor II504 include a worm gear reduction mechanism.

Example 8:

The main structure of this embodiment is the same as that of Embodiment 2. Further, the rotating mechanism 3 further includes a limiting mechanism 302. The limiting mechanism 302 is fixed on the lifting platform 205 . The output shaft of the rotating electrical machine 301 is inserted into the limiting mechanism 302, and the rotating electrical machine 301 and the bevel gear I303 are further fixed by the limiting mechanism 302.

Claims (7)

1. A multifunctional bed for the elderly with adjustable posture for family use, characterized in that: comprising the integral bed frame (1), a lifting mechanism (2), a rotating mechanism (3), a back support mechanism (4), a leg bending mechanism (5) and the controller; The lifting mechanism (2) includes a fixed support (201), two guide rails I (202), a lifting motor (203), a scissor arm (204), a lifting platform (205), a screw rod I (206), a sliding block (207) and two connecting rods I (208); The fixed support (201) is fixed on the ground; the two guide rails I (202) are symmetrically installed on both sides of the fixed support (201); The lift motor (203) is mounted on the fixed support (201) and is located between the two guide rails I (202); the lead screw I (206) is connected to the output end of the lift motor (203); the The slider (207) is connected with the screw rod I (206), and the rotation of the screw rod I (206) drives the slider (207) to slide in the direction of the screw rod I (206); Both ends of the two connecting rods I (208) are slidably connected in the two guide rails I (202); the two connecting rods I (208) are arranged in parallel, and one of the connecting rods (280) is located at the lifting motor (203) In the direction of the output end, the other connecting rod (280) is located in the direction of the fan end of the lifting motor (203), wherein the connecting rod I (208) in the direction of the output end of the lifting motor (203) is fixed to the slider (207) connect; Two parallel guide rails II (2051) are installed on both sides of the lifting platform (205); two connecting rods II (2052) are slidably connected to the two guide rails II (2051); The lower end of the scissor arm (204) is connected with two connecting rods I (208), and the upper end is connected with two connecting rods II (2052); The integral bed frame (1) comprises a back panel (101), a hip panel (102), a leg panel (103), a supporting platform (105), two supporting side panels (106) and a supporting frame (107); The supporting platform (105) is mounted on the lifting platform (205); The support frame (107) is placed on the upper surface of the support platform (105); the support frame (107) is provided with a support column (1071); The two supporting side plates (106) are symmetrically installed on both sides of the supporting frame (107); The buttock plate (102) is mounted on the two support side plates (106) and the support column (1071), and the buttock plate (102) is parallel to the support platform (105); The back panel (101) is hinged, and the other end is hinged with the leg panel (103); The rotating mechanism (3) includes a rotating motor (301), a bevel gear I (303), a bevel gear II (304) and a main shaft (305); The rotary motor (301) is fixed on the lifting platform (205); the bevel gear I (303) is fixed on the output shaft of the rotary motor (301); The upper end of the main shaft (305) is fixed on the support frame (107), and the lower end is connected to the bevel gear II (304); the bevel gear II (304) meshes with the bevel gear I (303); when the rotating motor (301) During operation, the main shaft (305) rotates, and the main shaft (305) drives the support frame (107) to rotate; The back support mechanism (4) includes a drive motor I (401), a back support rod mechanism (402), a back support slider (403), two guide rails III (404) and a lead screw II (405); The two guide rails III (404) are symmetrically mounted on the support frame (107) and are located below the back plate (101); The drive motor I (401) is mounted on the support frame (107) and is located between the two guide rails III (404); The lead screw II (405) is connected with the output end of the drive motor I (401); the middle part of the support back slider (403) is connected with the lead screw II (405), and the two ends of the support back slide (403) are respectively The two guide rails III (404) are slidably connected, and the screw II (405) rotates to drive the support back slider (403) to slide along the guide rails III (404); The back support rod mechanism (402) includes two first support rods (4021) and two second support rods (4022). One end of the two first support rods (4021) are both rotatably connected to the support frame (107), and the other ends are both rotatably connected to the back panel (101); One end of the two second support rods (4022) is rotatably connected to the support back slider (403), and the other end is hinged to the middle of the two first support rods (4021) respectively; The leg bending mechanism (5) includes two guide rails IV (501), a lead screw III (502), two leg bending rods (503), a driving motor II (504) and a leg bending slider (505); The two guide rails IV (501) are symmetrically mounted on the support frame (107), and are located below the hip plate (102); The drive motor II (504) is mounted on the support frame (107) and is located between the two guide rails IV (501); The lead screw III (502) is connected with the output end of the drive motor II (504); the middle part of the leg bending slider (505) is connected with the lead screw III (502), and the two ends of the leg bending slider (505) are respectively It is slidably connected in the two guide rails IV (501), and the rotation of the lead screw III (502) drives the bending leg slider (505) to slide along the guide rails IV (501); One end of the two leg bending rods (503) is rotatably connected to the leg bending slider (505), and the other ends are both rotatably connected to the leg plate (103); The controller is respectively connected to the lift motor (203), the rotation motor (301), the drive motor I (401) and the drive motor II (504). 2. a kind of household posture adjustable multifunctional elderly bed according to claim 2, is characterized in that: when working, described controller outputs control signal to control drive motor I (401) to run, drive motor I (401) Drive the screw II (405) to rotate; the rotation of the screw II (405) drives the back support slider (403) to slide along the guide rail III (404), and the back support rod mechanism (402) pushes the back plate (101) to flip up to the When the angle is specified, the controller outputs a control signal to control the drive motor I (401) to stop; The controller outputs a control signal to control the operation of the drive motor II (504), and the drive motor II (504) drives the lead screw III (502) to rotate; the lead screw III (502) rotates to drive the leg bending slider (505) along the guide rail IV (501) slides, two leg bending rods (503) push the leg plate (103) to flip down to a specified angle, and the controller outputs a control signal to control the drive motor II (504) to stop; The controller outputs a control signal to control the operation of the rotary motor (301), the rotary motor (301) drives the main shaft (305) to rotate; the main shaft (305) drives the support frame (107) to rotate to a specified angle, and the controller outputs the control signal to control the rotary motor (301) shutdown; The controller outputs a control signal to control the operation of the elevating motor (203), and the elevating motor (203) drives the lead screw I (206) to rotate; ) direction, the two connecting rods I (208) slide along the guide rail I (202) to drive the scissor arm (204) to open to make the support platform (105) drop to a specified height, and the controller outputs a control signal to control the lift motor ( 203) Running shutdown. 3 . The multifunctional bed for the elderly with adjustable posture for family use according to claim 1 , wherein the integral bed frame ( 1 ) further comprises a tail board ( 104 ), a head board ( 108 ) and a foot board. 4 . (109); The headboard (108) and the footboard (109) are respectively installed on both ends of the support platform (105); the tailboard (104) is fixed above the support platform (105) by a bracket and is located at the footboard (109) ) and the leg plate (103). 4 . The multifunctional bed for the elderly with adjustable posture for family use according to claim 1 , wherein a non-slip pad is installed at the bottom of the fixed support ( 201 ). 5 . 5. The multifunctional bed for the elderly with adjustable posture for family use according to claim 1, characterized in that: two described guide rails I (202) are equipped with a limiter that limits the sliding distance of the connecting rod I (208). Components (209). 6. The multifunctional elderly bed with adjustable posture for household use according to claim 1, characterized in that: the lift motor (203), the rotary motor (301), the drive motor I (401) and the drive motor II ( 504) are all reduction motors; the reduction gears of the lift motor (203), the rotary motor (301), the drive motor I (401) and the drive motor II (504) contain a worm gear reduction mechanism. 7 . The multifunctional bed for the elderly with adjustable posture for household use according to claim 1 , wherein the rotating mechanism (3) further comprises a limiting mechanism (302); the limiting mechanism (302) is fixed. 8 . On the lifting platform (205); the output shaft of the rotating motor (301) penetrates into the limiting mechanism (302).

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