CN111938935A - A multifunctional sit-to-stand conversion auxiliary device - Google Patents

Abstract

The invention discloses a multifunctional sitting and standing conversion auxiliary device which comprises a bottom frame with an opening at the rear part, a carrier wheel arranged under the bottom frame, two height adjusting mechanisms fixedly arranged at the rear side of the bottom frame, two walking aid baffles and two walking aid handrails fixedly arranged on the height adjusting mechanisms, wherein the walking aid baffles can be disassembled to be changed into the walking aid handrails, an adjustable support frame fixedly arranged at the front side of the bottom frame, a pair of position adjusting mechanisms rotatably arranged on the adjustable support frame, a lifting rocker arm rotatably arranged on the adjustable support frame, a handle frame rotatably arranged on the adjustable support frame, a connecting rod rotatably arranged between the lifting rocker arm and the handle frame, and an electric push rod rotatably arranged between the front side of the bottom frame and the lifting rocker arm. The auxiliary device can realize the gait correction of patients who sit to stand, walk and have hemiplegia, ensure the vitality of the limbs of the user, enhance the muscle strength of the limbs and prevent the muscular atrophy.

Description

A multifunctional sit-to-stand conversion auxiliary device

technical field

The invention relates to the technical field of rehabilitation appliances, in particular to a multifunctional auxiliary device for sitting and standing conversion.

Background technique

For the elderly, people with lower extremity dysfunction, and other patients with limited mobility, the transfer from sitting to standing and walking training are of great significance. First of all, for the elderly, daily exercise can improve the ability of the bone, joint and muscle system of the elderly, delay osteoporosis and the degenerative bone and joint diseases unique to the elderly; Improve their self-care ability, improve their quality of life, and prevent the occurrence of complications such as muscle atrophy and joint stiffness.

However, the existing sit-to-stand conversion devices are relatively single in function and cannot meet the diverse needs of users for life assistance and exercise, and many devices are bulky and not suitable for home use. In terms of adaptability, the existing sit-to-stand conversion auxiliary device is not adaptable enough to users of different heights and weights, and the use experience is not good enough. In addition, some devices are not stable enough, and users are prone to fall during use.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a multifunctional auxiliary device for sit-to-stand conversion in view of the technical defects existing in the prior art.

The technical scheme adopted for realizing the purpose of the present invention is:

A multifunctional sit-to-stand conversion auxiliary device, comprising a bottom frame with an opening at the rear, a carrier wheel arranged under the bottom frame, two height adjustment mechanisms fixedly arranged on the rear side of the bottom frame, two fixedly arranged on the back side of the bottom frame. The walker baffle and two walker armrests on the height adjustment mechanism can be removed and replaced with the walker armrest, and the walker can be fixed on the front side of the bottom frame. Adjusting support frame, a pair of position adjustment mechanisms rotatably arranged on the adjustable support frame, and lifting rocker arms rotatably arranged on the adjustable support frame, rotatably arranged on the The handle frame on the adjustable support frame, the connecting rod rotatably arranged between the lifting rocker arm and the handle frame, is rotatably arranged on the front side of the bottom frame and the Electric push rod between lift rocker arms.

The bottom frame includes a bottom frame front frame and a bottom frame rear frame, the bottom frame rear frame is slidably sleeved on the bottom frame front frame, and the bottom frame front frame is equidistantly provided with A plurality of through holes are provided, and the rear frame of the bottom frame is provided with through holes and first positioning bolts.

The height adjustment structure includes a long column and a height adjustment tube, the long column is fixedly arranged on the bottom frame, the height adjustment tube is slidably sleeved on the long column, the The long column is provided with a plurality of through holes equidistantly, and the height adjustment pipe is provided with a through hole and a second positioning bolt.

The walking baffle includes a baffle connecting inner pipe, a baffle connecting an outer pipe and a baffle, the baffle connecting the inner pipe being fixedly arranged on the top of the height adjustment mechanism, and the baffle connecting the outer pipe. It is fixedly arranged on the back of the baffle, the baffle connecting outer pipe is slidably sleeved on the baffle connecting inner pipe, and the baffle connecting inner pipe is equidistantly provided with a plurality of passages. A through hole and a third positioning bolt are arranged on the baffle connecting outer tube.

The walker handrail comprises a handrail connecting inner pipe, a handrail connecting an outer pipe and a handrail, the handrail connecting inner pipe is fixedly arranged on the top of the height adjustment mechanism, and the handrail connecting outer pipe is fixedly arranged on the said handrail. On the handrail, the handrail connection outer pipe is slidably sleeved on the handrail connection inner pipe, the handrail connection inner pipe is provided with a plurality of through holes equidistantly, and the handrail connection outer pipe is A through hole and a fourth positioning bolt are provided.

The adjustable support frame includes two short risers on the left and right, two short support tubes on the left and right, two long support tubes on the left and right, Four connecting rods, a high support rod and a low support plate, the connecting rods are arranged in parallel and rotatably between the short support pipe and the long support pipe, and are located in the adjustable support frame The parallelogram mechanisms on the left and right sides are respectively composed of the short support pipe on the side, the long support pipe and two connecting rods, and the short support pipe is slidably sleeved on the short standpipe, The short standpipe is provided with a plurality of through holes equidistantly, the short support pipe is provided with a through hole and a fifth positioning bolt, and a high-level support rod is fixedly arranged between the two long support pipes with low support plate.

The position adjustment mechanism is composed of a cylindrical inner tube and a cylindrical outer tube, the cylindrical outer tube is slidably sleeved on the cylindrical inner tube, and a plurality of cylindrical inner tubes are equidistantly arranged on the cylindrical inner tube. A through hole, the cylindrical outer tube is provided with a through hole and a sixth positioning bolt.

The lifting rocker arm includes a seat frame, a seat and two long rockers, and the two long rockers are arranged between the seat frame and the adjustable support frame in parallel and rotatable. The two long rockers, the seat frame and the adjustable support frame form a parallelogram mechanism, and the seat is fixedly arranged on the seat frame.

The handle frame includes a handle, a handle support frame and a lifting ring, the handle is fixedly arranged on the handle support frame, and a through hole is provided on the rear side of the handle support frame, and the handle The lifting ring is fixedly arranged on the handle support frame through threaded connection.

The connecting rod includes an inner square tube and an outer square tube, the outer square tube is slidably sleeved on the inner square tube, and the inner square tube is provided with a plurality of through holes equidistantly. The outer square tube is provided with a through hole and a seventh positioning bolt.

Compared with the prior art, the beneficial effects of the present invention are:

The sitting-to-stand conversion auxiliary device of the present invention has a simple structure and good stability. For the elderly, people with lower extremity dysfunction and other patients with mobility problems, the multifunctional sit-to-stand conversion auxiliary device of the present invention can help them to complete the transfer from sitting to standing and walking training, thereby reducing the number of nursing staff. The height adjustment mechanism, the adjustable support frame and the retractable structure of the connecting rod make the sit-to-stand conversion device highly adaptable, and are suitable for the elderly with different heights and weights, lower limb dysfunction and other patients with limited mobility; chest protection The design of the belt ensures the safety of the user during the entire exercise process; the grip can maintain the stability of the user during the transition from sitting to standing and exercise the user's upper body muscles; the seat can help the user complete the transition from sitting to standing. The action of standing allows the user to rest during the walking training interval; the walker handrail adopts a detachable structure, and the user with abnormal hemiplegic gait can be replaced with a walker baffle to help them correct the abnormal gait and resume normal walking. . Therefore, the multifunctional sitting-to-stand conversion auxiliary device of the present invention can allow the user to complete the conversion from sitting to standing and walking training more conveniently and safely, ensure the vitality of the user's limbs and enhance the muscle strength, and prevent muscle atrophy, thereby effectively effectively Do rehabilitation training.

Description of drawings

Fig. 1 shows the front side view of the multifunctional sit-to-stand conversion auxiliary device of the present invention;

Figure 2 shows a schematic diagram of the connecting rod;

Figure 3 shows a schematic diagram of an adjustable support frame;

Figure 4 shows a schematic diagram of the position adjustment mechanism;

Figure 5 shows a schematic diagram of the lifting rocker arm;

Figure 6 shows a schematic diagram of the handle frame;

Figure 7 shows a schematic diagram of the bottom frame;

Figure 8 is a schematic diagram of a walker baffle;

FIG. 9 is a schematic diagram of the initial state of the multifunctional sit-to-stand conversion auxiliary device;

FIG. 10 is a schematic diagram of a walking assist state of the multi-functional sit-to-stand conversion auxiliary device;

Fig. 11 is a schematic diagram showing the gait correction of the multifunctional sitting-to-stand conversion assisting device.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

As shown in Fig. 1, Fig. 9 and Fig. 11, the multifunctional sitting-to-stand conversion auxiliary device of the present invention includes a bottom frame 1 with an opening at the rear, a carrier wheel arranged under the bottom frame, and two fixedly arranged on the bottom frame. The height adjustment mechanism 2 on the rear side of the bottom frame, the two walker baffles 3 and the two walker handrails 4 are fixedly arranged on the height adjustment mechanism, wherein the walker baffle can be removed and replaced. In order to adapt to the different rehabilitation stages of the user, an adjustable support frame 5 is fixedly arranged on the front side of the bottom frame, and a pair of adjustable support frames are rotatably arranged on the adjustable support frame. The adjustment mechanism 6, the lifting rocker arm 7 rotatably arranged on the adjustable support frame, the handle frame 8 rotatably arranged on the adjustable support frame, rotatably arranged on the The connecting rod 9 between the lifting rocker arm and the handle frame, and the electric push rod 10 rotatably arranged between the front side of the bottom frame and the lifting rocker arm. The device can help the elderly, people with lower extremity dysfunction and other patients with mobility problems to complete the transition from sitting to standing.

Specifically, in order to realize the transition from sitting to standing, as shown in Figure 1, Figure 6 and Figure 9, the nursing staff pushes the sit-to-stand conversion assisting device in the initial position to the front of the user's bed or wheelchair, allowing the user to Sitting on the seat 71 of the device, the patient's hand is placed on the handle 81, the electric push rod 10 is driven to extend, the lifting rocker arm 7 drives the seat 71 to rise, and the connecting rod 9 drives the handle frame 8 to lift together. High, so that the user's hips and hands are raised at the same time, so as to complete the transition from sitting to standing.

Further, in order to improve the adjustability and thus improve the comfort during use, the multifunctional sit-to-stand conversion auxiliary device of the present invention can be adapted to users with different upper body lengths by adjusting the length of the connecting rod 9, as shown in FIGS. 1 and 2 . As shown, the connecting rod 9 includes an inner square tube 91 and an outer square tube 92, the outer square tube 92 is slidably sleeved on the inner square tube 91, and the inner square tube 91 is provided with a plurality of through holes , the outer tube 92 is provided with a through hole and a seventh positioning bolt 93 . When adjusting, loosen the seventh positioning bolt 93, slide and adjust the relative position of the inner square tube 91 and the outer square tube 92, and then tighten the seventh positioning bolt 93 to fix the connecting rod 9, thereby changing the length of the connecting rod 9 to adapt to different upper bodies. user of length. At the same time, the present invention can adjust the position of the seat 71 when the device is in the initial state through the adjustable support frame 5 and the position adjustment mechanism 6, so as to adapt to users with different leg lengths, as shown in Figure 1, Figure 3, Figure 4, Figure 7 and As shown in FIG. 9 , the position adjustment mechanism 6 is arranged on the diagonal line of the parallelogram mechanism, including a cylindrical inner tube 61 and a cylindrical outer tube 62. According to the length of the user's thigh, loosen the sixth positioning bolt 63, and slide the adjustment The relative position of the cylindrical inner tube 61 and the cylindrical outer tube 62, change the length of the diagonal line of the parallelogram mechanism, and then tighten the sixth positioning bolt 63 to fix the adjustable support frame 5, and adjust the front and rear positions of the seat 71; The adjusting support frame 5 includes a short stand pipe 51 , a short support pipe 52 , a connecting rod 53 , a long support pipe 54 , a high support rod 55 and a low support plate 56 , and the short stand pipe 51 is fixedly arranged on the front side of the bottom frame 1 , the short support pipe 52, the long support pipe 54 and the two connecting rods 53 form a parallelogram mechanism, and the parallelogram mechanism can be slidably sleeved on the short stand pipe 51, according to the user's buttocks in the sitting position position, loosen the fifth positioning bolt 57, slide to adjust the relative position of the short riser 51 and the short support tube 52, and then tighten the fifth positioning bolt 57 to fix it, thereby adjusting the height of the seat 71. The adjustable support frame 5 and the position adjustment mechanism 6 can change the front, rear and height positions of the seat 71 to make it suitable for users with different leg lengths, thereby improving the use experience.

Further, in order to maintain the stability of the user when completing the sit-to-stand transfer, as shown in FIG. 3 and FIG. 5 , the seat frame 72 and the two long rockers 73 of the lift rocker arm 7 are connected to the low-level support plate. 56 together form a parallelogram mechanism, the seat 71 is vertically fixed on the seat frame 72, this mechanism can ensure that the seat 71 is always kept horizontal during the transfer from sitting to standing, and at the same time improve the load-bearing capacity of the lifting rocker arm 7, allowing the body weight. Larger users can also use the device for rehabilitation training.

Preferably, in order to improve the safety of the multifunctional sit-to-stand conversion auxiliary device of the present invention, as shown in FIG. 6 and FIG. 9 , the handle support frame 81 is fixedly provided with a handle 82 , and the user finishes the transition from sitting to When the station is transferred, the hand can be placed on the handle 82 to maintain balance. The rear side of the handle support frame is fixedly provided with a lifting ring 83, and the lifting ring 83 can be connected with the chest protection belt 85 through the lifting strap 84, and the user can sit on the seat. After the child 71 is put on, the chest protection belt 85 is used to wrap the user's chest, and the chest protection belt 85 can prevent the user from leaning back during the transition from sitting to standing, thus playing a protective role.

In order to allow the user to exercise the leg muscles and prevent muscle atrophy, as shown in Figure 10, the user can put their hands on the walker armrest 4 after completing the transfer from sitting to standing, and use the walker armrest 4 to maintain balance, and the hips Get out of seat 71 and perform walking rehabilitation training.

Further, in order to adapt to the positions of different users during walking training, and to adapt to the height and front and rear positions of the hands of users of different heights in the standing state, the walker armrests 4 can be adjusted respectively by adjusting the bottom frame 1 and the height adjustment mechanism 2. As shown in Figure 1, Figure 7, Figure 9 and Figure 10, the walking handrail 4 is fixedly arranged on the height adjustment mechanism 2, and the height adjustment mechanism 2 includes a long column 21 and a height adjustment rod 22. The height adjustment The rod 22 is slidably sleeved on the long column 21. When adjusting, loosen the second positioning bolt 23. According to the user's height and arm length, slide and adjust the relative position of the long column 21 and the height adjustment rod 22, and then tighten it again. The second positioning bolt 23 fixes the height adjustment mechanism 2, thereby adjusting the height of the walking aid armrest 4; the bottom frame 1 includes a bottom frame front frame 11 and a bottom frame rear frame 12, and the bottom frame rear frame 12 is slidably sleeved in front of the bottom frame On the frame 11, the height adjustment mechanism 2 is fixedly arranged on the rear frame 12 of the bottom frame. When adjusting, loosen the first positioning bolt 13, and slide the adjustment between the front frame 11 of the bottom frame and the rear frame 12 of the bottom frame according to the standing position of the user. Then, tighten the first positioning bolt 13 to fix the bottom frame 1, so as to adjust the front and rear positions of the walker armrest, and improve the adaptability and use experience of the device.

For hemiplegic patients, in order to correct their abnormal hemiplegic gait, the multi-functional sit-to-stand conversion auxiliary device of the present invention can disassemble the walking aid armrest 4 and replace it with a walking aid baffle 3, which blocks the user through the walking aid baffle. The hemiplegic side pelvis makes the left and right legs of the patient symmetrical, and corrects the abnormal gait of the user's walking. As shown in Figure 8, Figure 9 and Figure 11, the walking aid baffle 3 is fixed on the height adjustment mechanism 2 through threaded connection , during use, the distance between the two walking baffles 3 can be adjusted according to the user's body shape. When adjusting, loosen the third positioning bolt 31, and slide and adjust the baffle to connect the inner tube 32 and the baffle according to the user's body shape. Connect the relative position of the outer tube 33, and then tighten the third positioning bolt 31 to fix the position of the baffle 34, so that the walking baffle blocks the pelvis on the side of the user's hemiplegia, so that the patient's left and right legs are symmetrical, and then use the chest protection belt 85. When used together, the abnormal gait of the user's walking can be corrected.

The sitting-to-stand conversion auxiliary device of the present invention has a simple structure and good stability. For the elderly, people with lower extremity dysfunction and other patients with mobility problems, the multifunctional sit-to-stand conversion auxiliary device of the present invention can help them complete the training from sitting to standing and walking, thereby reducing the number of nursing staff. The height adjustment mechanism, the adjustable support frame and the retractable structure of the connecting rod make the sit-to-stand conversion device highly adaptable, and are suitable for the elderly with different heights and weights, lower limb dysfunction and other patients with limited mobility; chest protection The design of the belt ensures the safety of the user during the entire exercise process; the grip can maintain the stability of the user during the transition from sitting to standing and exercise the user's upper body muscles; the seat can help the user complete the transition from sitting to standing. The action of standing allows the user to rest during the walking training interval; the walker handrail adopts a detachable structure, and can be replaced with a walker baffle for users with abnormal hemiplegic gait to help them correct abnormal gait and resume normal walking. . Therefore, the multifunctional sit-to-stand conversion auxiliary device of the present invention can allow the user to more conveniently and safely complete the conversion from sitting to standing and the training of walking, ensure the relative vitality of the user's limbs, enhance the muscle strength of the upper and lower limbs, and prevent muscle atrophy , so as to effectively carry out rehabilitation training.

The above are only the preferred embodiments of the present invention. It should be noted that, for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. These improvements and Retouching should also be regarded as the protection scope of the present invention.

Claims (10)

1. A multifunctional sitting and standing conversion auxiliary device is characterized by comprising a bottom frame with an opening at the rear part, a carrying wheel arranged under the bottom frame, two height adjusting mechanisms fixedly arranged at the rear side of the bottom frame, two walking aid baffles fixedly arranged on the height adjusting mechanisms and two walking aid handrails, the walking aid baffle can be disassembled and replaced by the walking aid handrail, the adjustable support frame is fixedly arranged at the front side of the bottom frame, the pair of position adjusting mechanisms are rotatably arranged on the adjustable support frame, a lifting rocker arm which is rotatablely arranged on the adjustable supporting frame, a handle frame which is rotatablely arranged on the adjustable supporting frame, a connecting rod which is rotatably arranged between the lifting rocker arm and the handle frame, and an electric push rod which is rotatably arranged between the front side of the bottom frame and the lifting rocker arm.

2. The multifunctional sitting and standing conversion auxiliary device as claimed in claim 1, wherein the bottom frame comprises a bottom frame front frame and a bottom frame rear frame, the bottom frame rear frame is slidably sleeved on the bottom frame front frame, a plurality of through holes are equidistantly arranged on the bottom frame front frame, and the bottom frame rear frame is provided with the through holes and the first positioning bolts.

3. The multifunctional sitting and standing conversion auxiliary device as claimed in claim 1, wherein the height adjusting structure comprises a long upright post and a height adjusting pipe, the long upright post is fixedly arranged on the bottom frame, the height adjusting pipe is slidably sleeved on the long upright post, a plurality of through holes are equidistantly arranged on the long upright post, and the height adjusting pipe is provided with a through hole and a second positioning bolt.

4. The multifunctional sitting and standing conversion auxiliary device as claimed in claim 1, wherein the walking aid baffle comprises a baffle connecting inner tube, a baffle connecting outer tube and a baffle, the baffle connecting inner tube is fixedly arranged at the top of the height adjusting mechanism, the baffle connecting outer tube is fixedly arranged at the back of the baffle, the baffle connecting outer tube is slidably sleeved on the baffle connecting inner tube, a plurality of through holes are equidistantly arranged on the baffle connecting inner tube, and a through hole and a third positioning bolt are arranged on the baffle connecting outer tube.

5. The multifunctional sitting and standing conversion auxiliary device as claimed in claim 1, wherein the walking aid handrail comprises a handrail connecting inner tube, a handrail connecting outer tube and a handrail, the handrail connecting inner tube is fixedly arranged at the top of the height adjustment mechanism, the handrail connecting outer tube is fixedly arranged on the handrail, the handrail connecting outer tube is slidably sleeved on the handrail connecting inner tube, a plurality of through holes are equidistantly arranged on the handrail connecting inner tube, and a through hole and a fourth positioning bolt are arranged on the handrail connecting outer tube.

6. The multifunctional sitting and standing conversion auxiliary device as claimed in claim 1, wherein the adjustable supporting frame comprises two short vertical pipes respectively located at the left and right sides, two short supporting pipes respectively located at the left and right sides, two long supporting pipes respectively located at the left and right sides, four side links, a high supporting rod and a low supporting plate, the side link rods are parallelly and rotatably arranged between the short supporting tube and the long supporting tube, the parallelogram mechanisms positioned at the left side and the right side of the adjustable supporting frame respectively consist of the short supporting tube, the long supporting tube and the two side link rods at the side, the short supporting pipe can be sheathed on the short vertical pipe in a sliding way, a plurality of through holes are equidistantly arranged on the short vertical pipe, the short supporting pipes are provided with through holes and fifth positioning bolts, and a high-position supporting rod and a low-position supporting plate are fixedly arranged between the two long supporting pipes.

7. The multifunctional sitting and standing conversion auxiliary device as claimed in claim 1, wherein the position adjusting mechanism is composed of an inner cylindrical tube and an outer cylindrical tube, the outer cylindrical tube is slidably sleeved on the inner cylindrical tube, a plurality of through holes are equidistantly arranged on the inner cylindrical tube, and a through hole and a sixth positioning bolt are arranged on the outer cylindrical tube.

8. The multifunctional sit-stand conversion aid as claimed in claim 1, wherein the lifting rocker arm comprises a seat frame, a seat and two long rockers, the two long rockers are rotatably arranged between the seat frame and the adjustable support frame in parallel, the two long rockers, the seat frame and the adjustable support frame form a parallelogram mechanism, and the seat is fixedly arranged on the seat frame.

9. The multifunctional sit-stand conversion auxiliary device as claimed in claim 1, wherein the handle frame comprises a handle, a handle support frame and a hanging ring, the handle is fixedly arranged on the handle support frame, a through hole is arranged at the rear side of the handle support frame, and the hanging ring is fixedly arranged on the handle support frame through threaded connection.

10. The multifunctional sitting and standing conversion auxiliary device as claimed in claim 1, wherein the connecting rod comprises an inner square tube and an outer square tube, the outer square tube is slidably sleeved on the inner square tube, a plurality of through holes are equidistantly arranged on the inner square tube, and a through hole and a seventh positioning bolt are arranged on the outer square tube.

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