CN115969640A - Old nursing auxiliary device - Google Patents

Abstract

The invention relates to an auxiliary device for elderly care, which comprises a bed frame, bed legs arranged on both sides of the bed frame, and a bed board arranged on the upper side of the bed frame. A nursing exercise mechanism is arranged on the top of the bed board. The back pad, waist pad, thigh pad and calf pad are arranged in sequence, and a movable connection unit is arranged between the back pad, waist pad, thigh pad and calf pad, and the lower end of the bed board is provided with a device for driving the back pad. The lower end of the bed board is also provided with a hip-lifting exercise unit for driving the waist pad and thigh pad; , so that the modified hospital bed can provide the patient with the auxiliary functions of upper body upward, leg bending and hip-lifting exercise, and also enables the modified hospital bed to have massage function and foldable guardrail, thereby improving the efficiency of the existing ordinary hospital bed. applicability.

Description

A device for elderly care

technical field

The invention relates to the field of medical equipment, in particular to an auxiliary device for elderly care.

Background technique

As the age of the elderly increases with time, their immunity will also decline, so the elderly are more likely to get sick, and the phenomenon of long-term bed rest for the elderly is also increasing. During the long-term bed rest, if the elderly Maintaining a posture will cause the elderly to feel uncomfortable on the one hand, and on the other hand, the muscles of the limbs of the elderly will easily atrophy. Furthermore, the areas of the elderly’s body that have been in contact with the bed for a long time are also prone to pressure sores, so nursing for the elderly who have been bedridden for a long time method becomes particularly important.

Therefore those skilled in the art have also carried out a large amount of optimizations to the nursing aspect of the long-term bedridden old man, in order to carry out more accurate contrast, disclose a kind of special nursing bed for bedridden patients as the Chinese patent that publication number is CN103655081B; , through the inflatable bathtub installed on the bed board and the inflatable shampoo pool in the inflatable bathtub, one person can complete the washing and nursing work of bathing and shampooing for bedridden patients. In addition, bathing and hair washing can be selected, which solves the problem that the existing bedridden patients must cooperate with many people to take a bath, which not only brings pain to the patient, but also brings burdens to medical staff and family members. The special nursing bed for bedridden patients can be stored in the storage box when the inflatable bathtub is not used for washing and nursing work, and can be used as an ordinary nursing bed, which reduces the purchase cost and nursing care of hospitals and families to a certain extent.

However, the above-mentioned special nursing bed for bedridden patients still has some deficiencies in the process of actual use: 1. It does not have the function of driving the upper body of the old man upwards, resulting in the need to manually lift up the upper body of the old man. Pillows are placed on the back of the old man for support, so that the upper body of the old man can be lifted up for feeding, which reduces the convenience of feeding the old man.

2. The blood flow rate of the elderly who have been bedridden for a long time is relatively slow. The above reference documents do not have the function of massaging the elderly's body, so they have not played a role in improving the blood circulation of the elderly who are bedridden. Therefore, it is necessary to manually massage the elderly's body The body is massaged, thereby reducing the efficiency of body massage to the bedridden old man.

3. The muscles of the elderly who have been bedridden for a long time are also prone to atrophy. In order to slow down the speed of muscle atrophy of the elderly bedridden, on the one hand, it is necessary to massage the elderly, and on the other hand, it is necessary to drive the elderly to perform simple exercises. Hip-lifting training in the state of the bed can effectively exercise the strength of the lower limbs and prevent muscle atrophy. However, the above-mentioned reference documents do not have the function of driving the bedridden elderly to bend their legs, nor do they have the function of driving the buttocks of the bedridden elderly to perform hip-lifting training. function.

Therefore, under the viewpoint of above-mentioned statement, prior art also has room for improvement to the mode of rehabilitation nursing of the bedridden old man.

Contents of the invention

In order to solve the above problems, the present invention provides an auxiliary device for elderly care, which includes a bed frame, bed legs arranged on both sides of the bed frame, and a bed board arranged on the upper side of the bed frame, and a nursing exercise mechanism is arranged on the top of the bed board.

The nursing exercise mechanism includes a backrest pad, a waist backing board, a thigh backing board and a calf backing board arranged sequentially from the head side of the bed to the rear side of the bed. A movable connection unit is provided, and the lower end of the bed board is provided with a body bending unit for driving the back pad, thigh pad and calf pad, and the lower end of the bed board is also provided with a hip lifting exercise unit for driving the waist pad and thigh pad.

Preferably, the movable connection unit includes a connecting groove, a pin shaft connecting rod, a connecting block, a connecting waist plate and a connecting arc block, the connecting groove is symmetrically set at the end of the backrest board away from the head of the bed, and the waist board is close to the thigh board One end of the thigh pad, the left and right ends of the thigh pad, and the end of the calf pad far away from the end of the bed, the connecting grooves are all rotatably provided with a pin shaft connecting rod, and the outer surface of the pin shaft connecting rod on the backrest pad is rotatably provided with a waist pad. The connecting block with the plate phase fixed, the waist plate and the pin shaft connecting rod on the left side of the thigh plate are rotated to connect the waist plate, and the outer surface of the pin shaft connecting rod on the side of the thigh plate close to the calf plate is rotated. There are connecting arc blocks fixed with the calf pad.

Preferably, it also includes a fixed connection unit for fixing the pin shaft connecting rod on the backrest plate. Pads and anti-slip tooth grooves, the L-shaped clamping connecting plate is sleeved on the outer surface of the pin shaft connecting rod connected with the backrest connecting plate, and the horizontal flange at the lower end of the clamping connecting plate extends to the end close to the inner side of the bed frame. The horizontal flange of the clamping plate is threaded with an adjusting screw, and the lower end of the adjusting screw is fixed with a twist block, and the outer surface of the twist block is evenly provided with anti-slip grooves, and the upper end of the adjusting screw is rotated with a screw for resisting the bed frame. The upper end of the upper end of the clamping plate is equipped with a clamping pad of rubber material, and the upper end of the clamping pad is provided with an anti-slip tooth groove.

Preferably, the bent leg unit includes a dovetail chute, a dovetail block, a dovetail slider, a mounting groove, a pin shaft brace, an equilateral triangular arc block, a cylinder liner, a lifting cylinder and a connection assembly, and the dovetail chute is provided with At the lower end of the back pad and the thigh pad, a dovetail block is set at the opening of the dovetail chute, a dovetail slider is slid on the side of the dovetail chute close to the waist backing plate, and a mounting groove is opened at the lower end of the dovetail slider. A pin shaft strut is arranged in the installation groove, and a positive triangular arc block is arranged on the outer surface of the pin shaft strut. The fixed end on the lower side of the cylinder passes through the gap on the bed board and is located on the lower side of the bed board, and a connection assembly connected with the bed board is arranged on the outside of the lifting cylinder.

Preferably, the connecting assembly includes a threaded sleeve, a connecting ring, an anti-skid arc groove, an annular connecting plate, a connecting through hole and a connecting rod, the threaded sleeve is fixed on the upper side of the fixed end of the lifting cylinder, and the outer surface of the threaded sleeve is A connecting ring is sleeved by means of thread fit, and an anti-slip arc groove is provided on the outer surface of the connecting ring. An annular connecting plate is arranged on the upper end of the connecting ring, and circularly distributed connecting through holes are evenly opened on the annular connecting plate. Through the connecting through hole, In a detachable manner, a threading connecting rod fixed to the bed board is provided.

Preferably, the hip-lifting exercise unit includes installation connecting slots, supporting connecting rods, inverted triangle arc blocks, cylinder connecting sleeves, telescopic cylinders, cylinder frames, connecting braces, installing through slots, installing connecting rods and washers, and installing connecting rods. The groove is set in the middle of the adjacent side of the thigh pad and the waist pad. A support link is installed in the installation slot, and an inverted triangular arc block is provided for rotation between the support links. The lower end of the inverted triangular arc block is provided with a cylinder sleeve. A telescopic cylinder is arranged on the inner side of the lower end of the cylinder sleeve. The lower side of the telescopic cylinder passes through the gap on the bed board and is provided with a U-shaped cylinder frame located on the lower side of the bed board. The upper end of the cylinder frame is horizontally provided with a connecting brace. The plate is symmetrically provided with an installation through groove, and an installation connecting rod fixed with the bed board is pierced in the installation through groove, and a gasket is sleeved on the outer surface of the installation connecting rod.

Preferably, it also includes a guardrail mechanism arranged on the front and rear sides of the bed frame and used for protection. The guardrail mechanism includes a guardrail splint, a splint groove, a splint strip groove, a clamping screw, a pressing splint and a guardrail folding unit. The guardrail splints of the structure are arranged on the left and right sides of the front and rear ends of the bed frame. The backrest plate is symmetrically provided with splint grooves corresponding to the guardrail splints, and the calf plate is symmetrically provided with splint grooves corresponding to the guardrail splints. The horizontal flange at the lower end of the splint is threaded with a clamping screw, the lower end of the clamping screw is also provided with a twist block, and the outer surface of the twist block is also uniformly provided with anti-slip grooves, and the upper end of the clamping screw is rotated. A clamping pad is arranged on the top of the clamping plate against the clamping plate at the lower end of the bed frame, and anti-skid grooves are also provided on the upper end surface of the clamping pad, and a guardrail folding unit is arranged on the guardrail splint.

Preferably, the guardrail folding unit includes an installation side plate, a horizontal strut, a guardrail frame, a locking screw, a twisting block, a guardrail bar and a connecting cylinder, and the installation side plate is symmetrically arranged on the side of the guardrail splint away from the bed frame, left and right A horizontal strut is installed between the installation side plates on both sides, and a guardrail frame with a 冂-shaped structure is arranged on the outer surface of the horizontal strut. Between, and between the installation side panels on the right side, the lower end of the vertical flange of the guardrail frame is threaded with a locking screw for fixing with the corresponding guardrail splint, and the outer end of the locking screw is provided with a convenient For the twisting block that rotates it, guardrail bars are uniformly arranged at the lower ends of the horizontal folds of the guardrail frame, and connecting cylinders are arranged between the lower ends of the guardrail bars, and the connecting cylinders are sleeved on the outer surfaces of corresponding horizontal struts.

Preferably, it also includes a massage mechanism arranged on the backrest pad, waist pad, thigh pad and calf pad. The massage mechanism includes a mounting circular groove, a rotating motor, a driven disc, an extension plate, a circular Through holes, massage rods, fan-shaped protrusions and groove-sealing round cloth, the installation circular grooves are symmetrically opened on the front and rear sides of the back pad, waist pad, thigh pad and calf pad, and the rotating motor is installed in the installation circular groove , the upper end of the output shaft of the rotating motor is provided with a driven disc, and the outer surface of the driven disc is sequentially provided with extension plates with increasing lengths, and the side of the extension plate away from the driven disc is provided with a circular through hole, and the circular through hole The inner slide is provided with a massage bar, the upper and lower ends of the massage bar are hemispherical structures, the bottom of the installation circular groove is evenly provided with circularly distributed fan-shaped protrusions, and the upper end of the installation circular groove is provided with a groove-sealing circular cloth of elastic material.

Preferably, at least one flexible material mattress is provided on the top of the backrest pad, the waist pad, the thigh pad and the calf pad.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The present invention can lift up the upper body of the old man without manually lifting the old man up through the bent-leg unit, so that it is convenient for the nursing staff to feed the old man, thereby improving the efficiency of feeding the old man. Efficiency also reduces the operational difficulty of the nursing staff in the feeding process.

2. The present invention can massage the body of the elderly through the massage mechanism, thereby effectively improving the blood circulation speed of the bedridden elderly, thereby avoiding the problem of complications caused by poor blood circulation of the bedridden elderly, and also playing a role in slowing down Progression of muscle atrophy in the bedridden elderly.

3. The present invention can also drive the legs of the bedridden old man to bend along the knee through the body bending leg unit, and then through the hip-lifting exercise unit can drive the buttocks of the old man to perform hip-lifting exercises up and down, thereby further playing a role in exercise Lower limb strength, prevent muscle atrophy.

4. The present invention can install foldable guardrails on both sides of an existing common hospital bed that does not have guardrails through the guardrail mechanism, so that the patient can be protected from falling from the bed, and the guardrails can be protected when the patient gets on and off the bed. Folding is carried out to improve the convenience of patients getting on and off the bed.

5. Both the nursing exercise mechanism and the guardrail mechanism of the present invention can be refitted on the basis of the existing common hospital bed, so that the refitted hospital bed can provide the patient with the auxiliary functions of upper body upward, leg bending and subsequent hip lifting exercise On the one hand, it improves the applicability of the existing general hospital beds, and on the other hand, it reduces the waste of resources caused by the scrapping of the existing general hospital beds due to their insufficient functions.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a structural schematic diagram of the present invention (viewed from bottom to top).

Fig. 3 is a schematic structural diagram of the movable connection unit of the present invention.

Fig. 4 is a structural schematic diagram of the supine-body-bending-leg unit of the present invention.

Fig. 5 is a schematic diagram of the structure between the fixed connection unit and the connection assembly of the present invention.

Fig. 6 is a structural schematic diagram of the hip raising exercise unit of the present invention.

Fig. 7 is a schematic structural view of the guardrail mechanism of the present invention.

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

Fig. 9 is a structural schematic diagram of the massage mechanism of the present invention.

In the figure, 10, bed frame; 11, bed leg; 12, bed board;

2. Nursing exercise mechanism; 20. Backrest pad; 21. Waist pad; 22. Thigh pad; 23. Calf pad;

24. Movable connection unit; 240. Connection groove; 241. Pin shaft connecting rod; 242. Connection block; 243. Connection waist plate; 244. Connection arc block;

25. Body bent leg unit; 250. Dovetail chute; 251. Dovetail block; 252. Dovetail slider; 253. Mounting groove; 254. Pin shaft strut; 257. Lifting cylinder;

26. Hip raising exercise unit; 260. Installation connecting slot; 261. Supporting connecting rod; 262. Inverted triangle arc block; 263. Cylinder connecting set; 264. Telescopic cylinder; 265. Cylinder frame; 266. Connecting support plate; 267. Install through groove; 268, install connecting rod; 269, washer;

27. Fixed connection unit; 270. Clamping connecting plate; 271. Adjusting screw; 272. Twist block; 273. Anti-skid groove; 274. Upper splint; 275. Clamping pad;

28. Connecting assembly; 280. Thread sleeve; 281. Connecting ring; 282. Anti-skid arc groove; 283. Ring connecting plate; 284. Connecting through hole; 285. Piercing connecting rod;

3. Guardrail mechanism; 30. Guardrail splint; 31. Splint groove; 32. Splint groove; 33. Clamping screw; 34. Clamping splint;

35. Guardrail folding unit; 350. Installing side panels; 351. Horizontal strut; 352. Guardrail frame; 353. Locking screw; 354. Twisting block; 355. Guardrail bar;

4. Massage mechanism; 40. Installation circular groove; 41. Rotating motor; 42. Driven disc; 43. Extension plate; 44. Circular through hole; 45. Massage bar; 46. Fan-shaped protrusion; 47. Sealing groove Round cloth; 48. Mattress.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings 1-9, but the present invention can be implemented in many different ways defined and covered by the claims.

The embodiment of the present application discloses an auxiliary device for elderly care. It is explained that the auxiliary device for elderly care is mainly used to modify the existing ordinary hospital bed, so that the modified hospital bed can provide the patient with upper body, leg The auxiliary function of bending and hip-lifting exercise, on the one hand, improves the applicability of the existing general hospital bed, and on the other hand, reduces the waste of resources caused by the scrapping of the existing general hospital bed due to its lack of functions; further, The present invention can also install foldable guardrails on both sides of the existing ordinary hospital beds without guardrails, so that the patient can be protected from falling from the bed, and the patient can be folded when getting on and off the bed, thereby improving the guardrail. applicability.

Embodiment one:

Referring to Fig. 1 and shown in Fig. 2, a kind of auxiliary device for elderly care comprises a bed frame 10 and bed legs 11 arranged on both sides of the bed frame 10, and a bed board 12 arranged on the upper side of the bed frame 10; bed board 12, bed frame 10 and bed legs 11 forms the existing common sick bed, in order to refit the existing common sick bed to make it more suitable for the nursing of elderly bedridden patients, a nursing exercise mechanism 2 is set on the upper end of the bed board 12; The back of the patient is lifted up, so that it is convenient to feed the patient, and it is also convenient for the patient to adjust the posture. Through the nursing exercise mechanism 2, the legs of the bedridden patient can be driven to bend, and the buttocks of the patient can be lifted afterwards , in order to exercise the strength of the lower limbs and prevent muscle atrophy.

With reference to Fig. 2 and shown in Fig. 3, namely nursing exercise mechanism 2 among the present application; Concretely, nursing exercise mechanism 2 comprises backrest backing board 20, waist backing board 21, thigh backing board 22, calf backing board 23, movable connection unit 24. Suppressing body bending leg unit 25 and hip lifting exercise unit 26, backrest pad 20, waist pad 21, thigh pad 22 and calf pad 23 arranged in sequence from the head side to the tail side of the bed board 12, back pad Plate 20, waist backing board 21, thigh backing board 22 and calf backing board 23 can support the back, buttocks, thigh and calf of human body respectively; Backrest backing board 20, waist backing board 21, thigh backing board 22 and the calf pad 23 are provided with a flexible connection unit 24, the flexible connection unit 24 can connect the back pad 20, the waist pad 21, the thigh pad 22 and the calf pad 23, and will not affect the back pad 20. The inclination of the waist pad 21 , the thigh pad 22 and the calf pad 23 .

The lower end of the bed board 12 is provided with a bent leg unit 25 for driving the back pad 20, the thigh pad 22 and the shank pad 23. Play the effect of making the upper body of the human body upwards, and the bent leg unit 25 can also drive the adjacent ends of the thigh pad 22 and the calf pad 23 to tilt upwards to play the role of driving the legs of the human body to bend; the bed board The lower end of the 12 is also provided with a hip lifting exercise unit 26 for driving the waist backing plate 21 and the thigh backing plate 22, and the hip lifting exercise unit 26 can drive the adjacent end of the waist backing plate 21 and the thigh backing plate 22 to reciprocate up and down, so that To drive the buttocks of the human body to exercise.

Continuing to refer to Fig. 3, that is, the movable connection unit 24 in the present application; specifically, the movable connection unit 24 includes a connecting groove 240, a pin shaft connecting rod 241, a connecting block 242, a connecting waist plate 243 and a connecting arc block 244, and the connecting groove 240 front and rear symmetry are provided at the end of the backrest pad 20 away from the head of the bed, the end of the waist pad 21 close to the thigh pad 22, the left and right ends of the thigh pad 22 and the end of the calf pad 23 away from the end of the bed, in the connection groove 240 All rotations are provided with a pin shaft connecting rod 241, and the pin shaft connecting rod 241 on the backrest pad 20 is rotated on the outer surface to be provided with a connecting block 242 fixed with the waist pad 21; When fixed, the end of the backrest pad 20 near the head of the bed can be inclined upward along the corresponding pin shaft connecting rod 241 under the drive of the bent leg unit 25 .

Between the pin shaft connecting rod 241 on the left side of the waist pad 21 and the thigh pad 22, a waist pad 243 is rotated and connected, and the bent leg unit 25 can fix the left end of the back pad 20 and the waist pad 21; On the plate 22, on the outer surface of the pin shaft connecting rod 241 on one side of the shank backing plate 23, the rotation is provided with a connecting arc block 244 fixed with the shank backing plate 23, and the curved leg unit 25 can drive the right end of the thigh backing plate 22. And the left end of the calf pad 23 moves upwards, and then the hip lifting exercise unit 26 can drive the right end of the waist pad 21 and the left end of the thigh pad 22 to reciprocate up and down.

Referring to Fig. 4, that is, the bent leg unit 25 in the present application; specifically, the bent leg unit 25 includes a dovetail chute 250, a dovetail block 251, a dovetail slider 252, a mounting groove 253, and a pin support Rod 254, positive triangular arc block 255, cylinder liner 256, lifting cylinder 257 and connection assembly 28, dovetail chute 250 is provided at the lower end of backrest pad 20 and thigh pad 22, and dovetail block is arranged at the opening of dovetail chute 250 251, in the dovetail chute 250, a side close to the backing plate 21 of the waist is provided with a dovetail slider 252 for sliding; the dovetail block 251 can block the opening of the dovetail chute 250 to prevent the dovetail slider 252 from breaking away from the dovetail slide Slot 250.

The lower end of the dovetail slider 252 is provided with a mounting groove 253, and a pin shaft strut 254 is arranged in the mounting groove 253, and a positive triangular arc block 255 is arranged on the outer surface of the pin shaft strut rod 254, and a cylinder liner is disposed at the lower end of the positive triangular arc block 255. 256, the inner side of the lower end of the cylinder liner 256 is provided with a lifting cylinder 257 in a detachable manner, and the lifting cylinder 257 is conveniently connected to the corresponding equilateral triangular arc block 255 through the cylinder liner 256; the fixed end of the lower side of the lifting cylinder 257 passes through the bed board 12 The upper gap is located at the lower side of the bed board 12, and the outside of the lifting cylinder 257 is provided with a connection assembly 28 connected with the bed board 12.

The connecting assembly 28 can fix the fixed end of the lifting cylinder 257 to the bed board 12. The lifting cylinder 257 can drive the dovetail slider 252 to move upward along the dovetail chute 250 through the positive triangular arc block 255 and the pin shaft support rod 254. At this time, the dovetail chute 250 can limit and guide the moving track of dovetail slider 252, while equilateral triangular arc block 255 can rotate outside the pin shaft strut 254, and when dovetail slider 252 moves upwards, it can drive the corresponding backrest pad 20, Thigh pad 22 is upwardly inclined, and when the right end of thigh pad 22 is inclined upward, the left end of calf pad 23 can also be driven to tilt upward by connecting arc block 244 and corresponding pin shaft connecting rod 241, so as to realize driving the human body to perform bending of legs. action.

Referring to Fig. 4 and Fig. 5, that is, the connecting assembly 28 used to fix the fixed end of the lifting cylinder 257 to the bed board 12 in this application; specifically, the connecting assembly 28 includes a threaded sleeve 280, a connecting ring 281, and an anti-slip arc groove 282, annular connecting plate 283, connecting through hole 284 and piercing connecting rod 285, threaded sleeve 280 is fixedly sleeved on the upper side of the fixed end of lifting cylinder 257, and the outer surface of threaded sleeve 280 is sleeved with connecting ring 281 by means of thread fit , the outer surface of the connecting ring 281 is provided with an anti-skid arc groove 282, which is convenient to drive the connecting ring 281 to rotate through the anti-skid arc groove 282, and the upper end of the connecting ring 281 is provided with an annular connecting plate 283, which can rotate together with the connecting ring 281; The annular connecting plate 283 is evenly opened with circularly distributed connecting through holes 284, and the connecting through holes 284 are detachably provided with a piercing connecting rod 285 fixed to the bed board 12; in this embodiment, the piercing connecting rod 285 Be screw, and bed board 12 is wood.

In the process of installing the annular connecting plate 283, it is necessary to first pass the lifting cylinder 257 with the threaded sleeve 280 from the lower end of the bed board 12, upwardly through the gap of the bed board 12 and connect with the corresponding cylinder liner 256, and then connect the lifting cylinder 257 with the ring connecting The connecting ring 281 of the plate 283 is installed on the outside of the corresponding threaded sleeve 280 by means of screw fit, and then the ring connecting plate 283 is driven to rotate by the connecting ring 281, and the upper end of the ring connecting plate 283 can be pressed against the lower end of the bed board 12. At the same time, the annular connecting plate 283 can cooperate with the backrest plate 20 to clamp the bed board 12, so as to temporarily fix the position of the annular connecting plate 283, so as to facilitate subsequent fixing of the annular connecting plate 283. Install the piercing connecting rod 285 in the connecting through hole 284 that overlaps with the bed board 12, and allow the upper end of the piercing connecting rod 285 to penetrate into the bed board 12, thereby completing the installation of the fixed end of the lifting cylinder 257. The connecting through hole 284 is more likely to coincide with the bed board 12, so as to facilitate the installation of the connecting rod 285.

Referring to Fig. 6, that is, the buttocks lifting exercise unit 26 used in this application to drive the human body's buttocks to carry out the hip lifting exercise after completing the leg bending action of the human body; specifically, the hip lifting exercise unit 26 includes a connecting groove 260 , support connecting rod 261, inverted triangular arc block 262, cylinder connecting sleeve 263, telescopic cylinder 264, cylinder frame 265, connecting support plate 266, installation through groove 267, installation connecting rod 268 and gasket 269, installation connection groove 260 is opened on the thigh Backing plate 22 and waist backing plate 21 adjoin one side middle part, are provided with support link 261 in the installation connecting groove 260, and the rotation between support link 261 is provided with inverted triangular arc block 262, and the lower end of inverted triangular arc block 262 is provided with Cylinder connects cover 263, and the inner side of cylinder connects cover 263 lower end is provided with telescopic cylinder 264, is convenient to the fixed end of telescopic cylinder 264 and the lower end of inverted triangular arc block 262 fixedly connected by cylinder connecting cover 263.

The lower side of the telescopic cylinder 264 passes through the gap on the bed board 12 and is provided with a cylinder frame 265 which is located at the lower side of the bed board 12 and is a U-shaped structure. There is an installation through groove 267, and the installation through groove 267 is provided with an installation connecting rod 268 fixed to the bed board 12, and a gasket 269 is set on the outer surface of the installation connecting rod 268; After the slit of the bed board 12 is fixed with the cylinder connecting sleeve 263, the cylinder frame 265 with the connecting support plate 266 is installed on the lower end of the telescopic cylinder 264, and then the installation connecting rod 268 sleeved with the washer 269 is inserted into the installation through groove 267, the installation link 268 is a screw in this embodiment, and then the upper end of the installation link 268 is inserted into the bed board 12 through an external electric drill instrument, so as to realize the fixing of the connection support plate 266. At this time, the washer 269 can effectively The stability after the installation of the connecting rod 268 is improved, and the shape of the installation through groove 267 can be adapted to different types of bed boards 12 , thereby improving the applicability of the connecting brace 266 .

Embodiment two:

Looking back at Figure 5, on the basis of Embodiment 1, in order to further improve the right end of the backrest pad 20 and the left end of the waist pad 21, to improve the stability of the backrest pad 20 installed on the bed board 12 , the fixed connection unit 27 for fixing the pin shaft connecting rod 241 on the back pad 20 is provided; specifically, the fixed connection unit 27 includes a clamping connecting plate 270, an adjusting screw 271, a twist block 272, and an anti-slip groove 273, the upper clamping plate 274, the clamping pad 275 and the anti-slip tooth groove 276, the clamping connecting plate 270 of the L-shaped structure is sleeved on the outer surface of the pin shaft connecting rod 241 connected with the backrest connecting plate, and the clamping connecting plate The horizontal flanging at the lower end of 270 extends toward the end close to the inner side of the bed frame 10; the horizontal flanging of the clamping connecting plate 270 is threaded with an adjusting screw 271, and the lower end of the adjusting screw 271 is fixedly provided with a twisting block 272. The block 272 is convenient to drive the adjusting screw rod 271 to rotate, and the adjusting screw rod 271 can move up or down when rotating.

Anti-slip grooves 273 are evenly provided on the outer surface of the twist block 272, and the anti-slip grooves 273 can improve the stability when the twist block 272 is grasped by hand; When the upper clamping plate 274 moves up against the lower end of the bed frame 10 under the drive of the adjusting screw 271, it can cooperate with the corresponding pin shaft connecting rod 241 to clamp the bed frame 10, and then play a role in supporting the right end of the backrest pad 20, The left end of the waist backing plate 21 is used for fixing; the clamping pad 275 of rubber material is installed on the upper end of the clamping plate 274, and the clamping pad 275 is used to improve the stability of clamping the bed frame 10 by the clamping plate 274. The clamping pad 275 The upper end is provided with an anti-slip tooth groove 276, which can effectively increase the friction between the clamping pad 275 and the bed frame 10, thereby further improving the stability of the connection between the upper clamping plate 274 and the bed frame 10.

Embodiment three:

Referring to Fig. 7 and Fig. 8, on the basis of Embodiment 2; if there are no guardrails on both sides of the existing common bed, the patient may fall from the bed; if there are guardrails on both sides of the bed, it is inconvenient for the patient to carry out Get on and off the bed, so, in order to prevent the patient from falling from the bed, and in order to prevent the guardrail from hindering the patient from getting on and off the bed, a guardrail mechanism 3 for protection and easy to fold is provided on the front and rear sides of the bed frame 10; specifically, the guardrail mechanism 3 It includes a guardrail splint 30 , a splint groove 31 , a splint strip groove 32 , a clamping screw 33 , a pressing splint 34 and a guardrail folding unit 35 .

The guardrail splint 30 of the U-shaped structure is arranged on the left and right sides of the front and rear ends of the bed frame 10, and the back support plate 20 is symmetrically provided with splint grooves 31 corresponding to the guardrail splint 30, so that the back support plate 20 will not be in contact with the corresponding guardrail splint. 30 causes interference; calf pad 23 is symmetrically provided with plywood strip grooves 32 corresponding to guardrail splint 30, so that calf pad 23 will not interfere with corresponding guardrail splint 30; The clamping screw 33 is threaded through in a threaded manner, and the lower end of the clamping screw 33 is also provided with a twist block 272, and the outer surface of the twist block 272 is evenly provided with an anti-slip groove 273, so that the twist block 272 at the lower end of the clamping screw 33 is in contact with the clamping screw 33. The twist block 272 at the lower end of the adjusting screw rod 271 has versatility.

The upper ends of the clamping screw 33 are rotated to be provided with a clamping plate 34 for pressing against the lower end of the bed frame 10, and the clamping screw 33 can be driven by the twisting block 272 to cooperate with the horizontal folding of the upper end of the guardrail clamping plate 30 to carry out the bed frame 10. Clamping is fixed; the upper end of clamping plate 34 is also provided with clamping pad 275, and the upper end surface of clamping pad 275 is also provided with anti-slip tooth groove 276, and the clamping pad 275 and anti-slip tooth groove 276 on the clamping plate 34 have improved the resistance Stability when clamping plate 34 cooperates with guardrail splint 30 to clamp bed frame 10, and guardrail splint 30 is provided with guardrail folding unit 35, and guardrail folding unit 35 can decide whether to unfold or fold according to usage requirements.

Continue to refer to Fig. 7 and Fig. 8, that is, the guardrail folding unit 35 in the present application; specifically, the guardrail folding unit 35 includes an installation side plate 350, a horizontal strut 351, a guardrail frame 352, a locking screw 353, and a twisting block 354 , guardrail bar 355 and connecting cylinder 356, the installation side plate 350 is symmetrically arranged on the side surface of the guardrail splint 30 away from the bed frame 10, and a horizontal strut 351 is installed between the installation side plates 350 on the left and right sides. The guardrail frame 352 of X-shaped structure is arranged on the side, and the vertical flange lower ends of the left and right sides of the guardrail frame 352 are respectively located between the installation side panels 350 on the left side and between the installation side panels 350 on the right side, so that the installation sides The plate 350 can limit the guardrail frame 352 .

The lower end of the vertical flanging of the guardrail frame 352 is threaded with a locking screw 353 for fixing with the corresponding guardrail splint 30, and the outer end of the locking screw 353 is provided with a twisting block to facilitate its rotation 354, when the guardrail frame 352 is in the "Xing" shape state, it is the unfolded position. At this time, the twisting block 354 drives the locking screw to rotate, so that one end of the locking screw can be inserted into the corresponding guardrail splint 30, thereby playing a role The guardrail frame 352 is fixed, and the guardrail frame 352 has played the effect that the both sides of sick bed are protected; When the guardrail frame 352 in the unfolded position needs to be folded, the twisting block 354 drives the corresponding locking screw 353 to rotate so that the locking screw 353 is separated from the corresponding guardrail splint 30 .

The horizontal fold lower end of guardrail frame 352 is evenly provided with guardrail bar 355, and guardrail bar 355 can effectively improve the protective effect of guardrail bar 352, is provided with connecting tube 356 between the lower ends of guardrail bar 355, and connecting tube 356 can improve guardrail bar 355. For the degree of firmness installed, the connecting tube 356 is sleeved on the outer surface of the corresponding horizontal strut 351, so that the guardrail bar 355 and the connecting tube 356 can rotate together with the guardrail frame 352. When the guardrail frame 352 is in the folded position, the guardrail bar 355 also can be in the folded state.

Embodiment four:

With reference to shown in Fig. 9, on the basis of embodiment three, because the muscle of long-term bedridden patient is easy to atrophy, so just need to massage patient regularly, in order to massage patient, just backrest pad 20, waist pad 21. A massage mechanism 4 is provided on the thigh pad 22 and the calf pad 23; specifically, the massage mechanism 4 includes a circular groove 40 for installation, a rotating motor 41, a driven disc 42, an extension plate 43, a circular through hole 44, Massage bar 45, fan-shaped protrusion 46 and sealing groove round cloth 47, install circular groove 40 symmetrically and offer at the front and rear sides of backrest backing plate 20, waist backing plate 21, thigh backing plate 22 and shank backing plate 23 upper ends, thereby can not Interference with the dovetail chute 250.

A rotating motor 41 is installed in the installation circular groove 40, a driven disk 42 is arranged on the upper end of the output shaft of the rotating motor 41, and an extension plate 43 with increasing length is successively arranged on the outer surface of the driven disk 42, and the extension plate 43 is away from the driven circle. One side of the disc 42 is provided with a circular through hole 44, and a massage bar 45 is slidingly arranged in the circular through hole 44. When the output shaft of the rotating motor 41 rotates, the driven disc 42 can drive the extension plate 43 and the massage bar 45 to rotate. The upper and lower ends of the massage bar 45 are hemispherical structures, and the bottom of the circular groove 40 is evenly provided with circularly distributed fan-shaped protrusions 46. 40 Friction between the inner walls of the bottom.

When the massage bar 45 rotates to the upper end of the fan-shaped protrusion 46, it will move upwards under the extrusion of the fan-shaped protrusion 46, and after moving upwards, it will rotate an appropriate amount along the output shaft of the rotating motor 41. In the process, the upper end of the massage bar 45 The hemispherical structure can play the role of massaging the human body, and because the distance between the massage bar 45 and the driven disc 42 is different, the massage bar 45 at different positions can massage different positions of the human body, thereby improving the massage effect. The massage effect of the rod 45; the upper end of the installation circular groove 40 is provided with a groove sealing circular cloth 47 of elastic material, and the groove sealing circular cloth 47 can seal the upper end of the installation circular groove 40 to prevent other objects from falling into the installation circular groove 40 Inside, it interferes with the moving track of the massage bar 45.

Looking back at shown in Figure 1, in order to improve the comfort of the human body lying on the back pad 20, the waist pad 21, the thigh pad 22 and the calf pad 23 upper ends, the back pad 20, the waist pad 21, the thigh Backing plate 22 and calf backing plate 23 upper ends are jointly provided with at least one mattress 48 of flexible material, and mattress 48 should not be too thick, in order to avoid mattress 48 to reduce the massage effect of massage bar 45.

During work: the first step, the dovetail slide block 252 that has bearing pin strut bar 254, equilateral triangular arc block 255 and cylinder liner 256 is installed in the dovetail chute 250 on backrest pad 20 and thigh pad 22, then Install the dovetail block 251 at the opening of the dovetail chute 250, and then pass the support connecting rod 261 on both sides of the inverted triangle arc block 262 with the cylinder connecting sleeve 263, and then install the support connecting rod 261 in the corresponding installation connecting groove within 260.

Second step: place the back pad 20, the waist pad 21, the thigh pad 22 and the calf pad 23 connected by the movable connection unit 24 on the bed board 12, and then connect the right end of the back pad 20 through the fixed connection unit 27 The pin shaft connecting rod 241 is fixed, and then the bent leg unit 25 is installed on the lower end of the bed board 12 and connected with the corresponding cylinder liner 256, and then the hip lifting exercise unit 26 is installed on the lower end of the bed board 12 and connected with the cylinder 263 connection.

Step 3: If there is no guardrail on both sides of the existing common sick bed, then the guardrail mechanism 3 is installed on the front and rear sides of the bed frame 10, and finally the mattress 48 is laid on the backrest pad 20, the waist pad 21, and the thigh pad 22 and shank pad 23, thereby finished the step that the present invention is installed on existing common hospital bed.

The fourth step: on the basis of the above-mentioned third step, the lifting cylinder 257 near the head of the bed can indirectly drive the end of the back pad 20 to tilt upwards near the head of the bed, thereby driving the upper body of the human body to lift upwards. Compared with manually lifting a bedridden patient, the process reduces the instability and physical strength required for manually lifting the patient, and on the other hand improves the comfort level of the bedridden patient during the process of raising the upper body. It is convenient for patients to feed them.

The fifth step: on the basis of the above-mentioned third step, the right end of the thigh pad 22 and the left end of the calf pad 23 can be indirectly driven to tilt upward by the lifting cylinder 257 near the end of the bed, thereby driving the legs of the human body to perform After bending, the right end of the waist backing plate 21 and the left end of the thigh backing plate 22 can be indirectly driven by the telescopic cylinder 264 to carry out the hip-lifting exercise up and down. It reduces the work intensity of the nursing staff, and on the other hand improves the comfort level of the patient during the exercise; by lifting the patient's buttocks up and down reciprocatingly, it can exercise the strength of the lower limbs and prevent muscle atrophy.

Step 6: When the bedridden patient needs to get on and off the bed, the twisting block 354 drives the corresponding locking screw 353 to rotate, so that the locking screw 353 is separated from the corresponding guardrail splint 30, and then the guardrail frame 352 and the guardrail bar 355 are turned down Folding, so that the bedridden patient can get on and off the bed with the help of outsiders; when the patient does not need to get on and off the bed, turn the guardrail frame 352 and the guardrail bar 355 upwards to unfold, and then drive the corresponding locking screw 353 through the twisting block 354 Turn and insert the locking screw 353 into the corresponding guardrail splint 30 to complete the fixing of the guardrail frame 352 and the guardrail bar 355 again.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (10)

1. The utility model provides an old nursing auxiliary device, includes bed frame (10) and sets up in footpost (11) of bed frame (10) both sides and sets up in bed board (12) of bed frame (10) upside, its characterized in that: bed board (12) upper end be provided with nursing exercise mechanism (2), wherein:

nursing exercise mechanism (2) including back backing plate (20), waist backing plate (21), thigh backing plate (22) and shank backing plate (23) that set gradually from head of a bed side toward the tailstock side, be provided with swing joint unit (24) between back backing plate (20), waist backing plate (21), thigh backing plate (22) and shank backing plate (23), bed board (12) lower extreme is provided with the leg unit (25) of bending upward that is used for ordering about back backing plate (20), thigh backing plate (22) and shank backing plate (23), bed board (12) lower extreme still is provided with and is used for ordering about hip exercise unit (26) of lifting of waist backing plate (21) and thigh backing plate (22).

2. An assistive device for nursing aged according to claim 1, characterized in that: the movable connection unit (24) comprises a connection groove (240), pin shaft connecting rods (241), connection blocks (242), a connection waist plate (243) and connection arc blocks (244), the connection groove (240) is symmetrically arranged at the front end and the rear end of the back cushion plate (20) far away from a bed head, the waist cushion plate (21) is close to one end of the thigh cushion plate (22), the left end and the right end of the thigh cushion plate (22) and one end of the shank cushion plate (23) far away from a bed tail, the pin shaft connecting rods (241) are rotatably arranged in the connection groove (240), the connection blocks (242) fixed with the waist cushion plate (21) are rotatably arranged on the outer side surface of the pin shaft connecting rods (241) on the back cushion plate (20), the connection waist plate (243) is rotatably arranged between the waist cushion plate (21) and the pin shaft connecting rods (241) on the left side of the thigh cushion plate (22), and the connection arc blocks (244) fixed with the shank cushion plate (23) are rotatably arranged on the outer side surface of the pin shaft connecting rods (241) close to one side of the shank cushion plate (23) on the thigh cushion plate (22).

3. The nursing assistant device for old people according to claim 1, further comprising a fixing connection unit (27) for fixing the pin link (241) on the back rest pad (20), characterized in that: the fixed connection unit (27) comprises a clamping connecting plate (270), an adjusting screw (271), a twisting block (272), an anti-skidding groove (273), an upper supporting clamping plate (274), a clamping pad (275) and an anti-skidding tooth slot (276), the clamping connecting plate (270) of an L-shaped structure is sleeved on the outer side face of a pin shaft connecting rod (241) connected with the backrest connecting plate, a horizontal folded edge at the lower end of the clamping connecting plate (270) extends towards one end close to the inner side of a bed frame (10), the adjusting screw (271) penetrates through the horizontal folded edge of the clamping connecting plate (270) in a thread fit mode, the lower end of the adjusting screw (271) is fixedly provided with the twisting block (272), the anti-skidding groove (273) is uniformly formed in the outer side face of the twisting block (272), the upper end of the adjusting screw (271) is rotatably provided with the upper supporting clamping plate (274) used for supporting and supporting the lower end of the bed frame (10), the clamping pad (275) made of rubber is installed at the upper end of the upper supporting clamping plate (274), and the anti-skidding tooth slot (276) is formed in the upper end of the clamping pad (275).

4. An assistive device for nursing aged according to claim 1, characterized in that: the bending leg unit (25) comprises a dovetail sliding groove (250), dovetail blocks (251), dovetail sliding blocks (252), a mounting groove (253), a pin shaft supporting rod (254), a regular triangle arc block (255), a cylinder sleeve (256), a lifting cylinder (257) and a connecting assembly (28), wherein the dovetail sliding groove (250) is arranged at the lower ends of a backrest base plate (20) and a thigh base plate (22), the dovetail blocks (251) are arranged at an opening of the dovetail sliding groove (250), one side of the dovetail sliding groove (250), which is close to a waist base plate (21), is provided with the dovetail sliding blocks (252) in a sliding mode, the mounting groove (253) is formed at the lower end of the dovetail sliding blocks (252), the pin shaft supporting rod (254) is arranged in the mounting groove (253), the regular triangle arc block (255) is arranged on the outer side face of the pin shaft supporting rod (254) in a rotating mode, the lower end of the cylinder sleeve (255) is provided with the lifting cylinder (257) which is arranged at the inner side of the lower end of the cylinder sleeve (256), the fixed end of the lower end of the lifting cylinder (257) penetrates through a gap in the bed plate (12) and is located at the lower side of the bed plate (12), and the connecting assembly (28) connected with the bed plate (12) is arranged at the outer side of the lifting cylinder (257).

5. An assistive device for nursing aged according to claim 4, characterized in that: the connecting assembly (28) comprises a threaded sleeve (280), a connecting ring (281), an anti-skidding arc groove (282), an annular connecting plate (283), a connecting through hole (284) and a penetrating connecting rod (285), wherein the threaded sleeve (280) is fixedly sleeved on the upper side of the fixed end of the lifting cylinder (257), the connecting ring (281) is sleeved on the outer side surface of the threaded sleeve (280) in a thread fit mode, the anti-skidding arc groove (282) is formed in the outer side surface of the connecting ring (281), the annular connecting plate (283) is arranged at the upper end of the connecting ring (281), the annular connecting plate (283) is uniformly provided with the connecting through hole (284) in annular distribution, and the penetrating connecting rod (285) fixed with the bed plate (12) is arranged in the connecting through hole (284) in a detachable mode.

6. An assistive device for nursing aged according to claim 1, characterized in that: the hip lifting exercise unit (26) comprises an installation connecting groove (260), a support connecting rod (261), an inverted triangle arc block (262), a cylinder connecting sleeve (263), a telescopic cylinder (264), a cylinder frame (265), a connecting supporting plate (266), an installation through groove (267), an installation connecting rod (268) and a gasket (269), the installation connecting groove (260) is formed in the middle of one side, adjacent to a thigh backing plate (22) and a waist backing plate (21), the support connecting rod (261) is arranged in the installation connecting groove (260), the inverted triangle arc block (262) is rotatably arranged between the support connecting rods (261), the lower end of the inverted triangle arc block (262) is provided with the cylinder connecting sleeve (263), the inner side of the lower end of the cylinder connecting sleeve (263) is provided with the telescopic cylinder (264), the lower side of the telescopic cylinder (264) penetrates through a gap in the bed plate (12) and is provided with the cylinder frame (265) which is in a U-shaped structure, the upper end of the cylinder frame (265) is horizontally provided with the connecting supporting plate (266), the installation connecting rod (268) is symmetrically formed in the installation through groove (267), and the outer side of the bed plate (268) is sleeved with the fixed connecting rod (269), and the connecting rod (269).

7. The nursing assistant device for old people according to claim 3, further comprising guard rail mechanisms (3) disposed at the front and rear sides of the bed frame (10) for protection, characterized in that: the guardrail mechanism (3) comprises guardrail clamping plates (30), clamping plate grooves (31), clamping plate strip grooves (32), clamping screws (33), a clamping plate (34) and guardrail folding units (35), 21274, the guardrail clamping plates (30) of the shape structure are arranged on the left side and the right side of the front end and the rear end of the bed frame (10), the clamping plate grooves (31) corresponding to the guardrail clamping plates (30) are symmetrically formed in the backrest cushion plate (20), the clamping plate strip grooves (32) corresponding to the guardrail clamping plates (30) are symmetrically formed in the shank cushion plate (23), the clamping screw rods (33) penetrate through the horizontal folded edges of the lower ends of the guardrail clamping plates (30) in a thread fit mode, twisting blocks (272) are also arranged at the lower ends of the clamping screw rods (33), anti-skidding grooves (273) are also uniformly formed in the outer side faces of the twisting blocks (272), the clamping screw rods (33) are all rotatably arranged at the upper ends of the clamping screw rods (33), the clamping plate (34) are also provided with clamping pads (275), anti-skidding grooves (276) for tightly abutting against the lower ends of the bed frame (10), and the guardrail folding units (35) are arranged on the upper end faces of the clamping plates (275).

8. The nursing aid for old people according to claim 7, characterized in that: the guardrail folding unit (35) comprises mounting side plates (350), horizontal support rods (351), guardrail frames (352), locking screw rods (353), twisting blocks (354), guardrail rods (355) and connecting cylinders (356), wherein the mounting side plates (350) are symmetrically arranged on one side face, far away from the bed frame (10), of the guardrail clamping plate (30), the horizontal support rods (351) are rotatably arranged between the mounting side plates (350) on the left side and the right side, the guardrail frames (352) of 20866shape structures are arranged on the outer side faces of the horizontal support rods (351), the lower ends of the vertical folding edges of the left side and the right side of the guardrail frames (352) are respectively located between the mounting side plates (350) on the left side and between the mounting side plates (350) on the right side, the lower ends of the vertical folding edges of the guardrail frames (352) are penetratingly arranged in a threaded fit mode and used for fixing the locking screw rods (353) corresponding to the guardrail clamping plate (30), the outer end heads of the locking screw rods (353) are provided with the guardrail twisting blocks (354) convenient for rotating the guardrail twisting blocks (354), the horizontal folding edges of the guardrail frames (352) are uniformly arranged at the lower ends of the guardrail rods (355), and the connecting cylinders (356) are arranged between the outer side faces of the guardrail clamping plate (351), and the guardrail connecting cylinders (356) corresponding to be sleeved on the horizontal support rods (356).

9. The nursing aid for old people according to claim 1, further comprising a massage mechanism (4) provided on the back pad (20), the waist pad (21), the thigh pad (22) and the calf pad (23), characterized in that: the massage mechanism (4) comprises an installation circular groove (40), a rotating motor (41), a driven disc (42), an extension plate (43), a circular through hole (44), a massage rod (45), fan-shaped protrusions (46) and a groove sealing circular cloth (47), wherein the installation circular groove (40) is symmetrically arranged on the front side and the rear side of the upper end of a backrest cushion plate (20), a waist cushion plate (21), a thigh cushion plate (22) and a shank cushion plate (23), the rotating motor (41) is installed in the installation circular groove (40), the driven disc (42) is arranged at the upper end of an output shaft of the rotating motor (41), the extension plate (43) with gradually increased length is sequentially arranged on the outer side surface of the driven disc (42), the circular through hole (44) is formed in one side, away from the driven disc (42), the massage rod (45) is slidably arranged in the circular through hole (44), the upper end and the lower end of the massage rod (45) are of a hemispherical structure, the fan-shaped protrusions (46) which are annularly distributed are uniformly arranged at the bottom of the installation circular groove (40), and the upper end of the installation circular groove sealing circular groove (40) is provided with the elastic groove sealing circular cloth (47).

10. An assistive device for nursing aged according to claim 1, characterized in that: the upper ends of the backrest cushion plate (20), the waist cushion plate (21), the thigh cushion plate (22) and the shank cushion plate (23) are provided with at least one mattress (48) made of flexible materials.

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