Automatic sitting and standing conversion mechanism applied to walking aid

Abstract

The utility model discloses an automatic sitting and standing conversion mechanism applied to a walking aid device, and relates to the technical field of electric walking aid, the automatic sitting and standing conversion mechanism comprises a long connecting rod, the side wall of the long connecting rod is connected with a movable rod I, the side wall of the movable rod I is connected with a supporting crutch, and the side wall of the supporting crutch is connected with a seat plate. A long connecting rod, a short connecting rod, a movable rod, a telescopic rod, a control telescopic block and a movable main rod are integrally arranged for main matched movable use, the long connecting rod drives the movable rod I to move when conversion use is needed, the movable rod I drives the seat plate to move, and then up-and-down movement conversion is conducted through a telescopic pipe and the telescopic rod; and finally, the movable main rod is controlled to be matched with the T-shaped connecting block to drive the rear wheel to rise, the whole automatic conversion use can be flexibly driven, the movable rod II is connected to the side face of the seat plate, the movable rod II can move, the whole flexible usability is expanded, people with different weights and sizes can use the mechanism, and the flexibility is high.

Description

Technical Field

[0001] The utility model relates to the technical field of electric walking aids, in particular to an automatic sit-to-stand conversion mechanism applied to a walking aid device. Background Art

[0002] With the development of society and the increasing aging of the population, the number of people with mobility difficulties is gradually increasing. For those who need walking assistance but have difficulty maintaining a standing or walking posture for a long time, there is often a lack of automatic sit-to-stand function. When users feel tired, they need to find a suitable seat to rest, which not only brings inconvenience to users but also limits their range of motion and independence. The use of walking aids is mainly a method of treating lower limb movement disorders. It can not only help postoperative patients support their weak bodies to walk, but also facilitate patients' independent movement. The use of electric walking aids allows patients to engage in outdoor activities on their own, promotes early recovery, and prevents the occurrence of postoperative complications. When tired, they can sit down and improve the lifestyle of people with leg problems. It is an indispensable medical product for improving the quality of life.

[0003] The patent document with publication number CN114681272B in the prior art provides a new type of lower limb exoskeleton robot knee joint sit-to-stand posture transformation mechanism, which includes a pair of lower limb exoskeleton bodies and a knee joint transformation component arranged in the lower limb exoskeleton bodies, the lower limb exoskeleton bodies include a thigh rod and a calf rod movably connected to the thigh rod, and a knee joint transformation component is arranged between the thigh rod and the calf rod; the knee joint transformation component includes a standing posture locking structure, a sitting posture transformation structure and a motor push rod structure, the motor push rod structure is fixedly arranged on the calf rod, the motor push rod structure is provided with a standing posture locking structure, and the sitting posture transformation structure is movably arranged on the thigh rod.

[0004] Although the conversion mechanism has many beneficial effects, the following problems still exist: the mechanism has a single function, and most of them are manual or electric walkers. When the patient is tired of standing or sitting, it is not convenient and smooth to change postures. Ordinary walkers can usually be pushed by caregivers or walk automatically. For example, the elderly or patients who use walkers usually have weakened lower limb muscle strength, and it is difficult to adjust the body posture and stand up; therefore, the transfer process is not convenient, and the walker can only be used in a sitting posture. When it changes to a standing posture, it needs someone to assist, which is very inconvenient. In addition, people of different weights and sizes will be encountered during use, but the mechanism is fixed, which is not convenient to adjust and has low flexibility. Utility Model Content

[0005] The purpose of the present utility model is to provide an automatic sit-to-stand conversion mechanism for use on a walking aid, so as to solve the problem that the mechanism proposed in the above-mentioned background technology has a single function, and most of them are manual walking aids or electric walking aids. When the patient is tired in a standing position, or tired in a sitting position, it is not convenient and smooth to change postures. Ordinary walking aids can generally be pushed by a caregiver to walk or walk automatically. For example, the elderly or patients who use walking aids usually have weakened lower limb muscle strength, and it is difficult to adjust the body posture and stand up; therefore, the transfer process is not convenient, and the walking aid can only be used in a sitting position. When it is changed to a standing position, it needs someone's assistance, which is very inconvenient. In addition, during use, people of different weights and sizes will be encountered, but the mechanism is fixed, which is not convenient to adjust and has low flexibility.

[0006] The utility model is an automatic sit-to-stand conversion mechanism applied to a walking aid device, comprising:

[0007] A long connecting rod, the side wall of the long connecting rod is connected to a movable rod I, the side wall of the movable rod I is connected to a crutch, the side wall of the crutch is connected to a seat plate, the side wall of the seat plate is provided with a movable rod II, the side wall of the crutch is connected to the movable rod II, the side wall of the movable rod II is connected to an electric push rod, the side wall of the electric push rod is connected to a connecting rod, the top of the connecting rod is connected to a movable connecting tube, the side wall of the electric push rod is connected to a connecting small column, the top of the connecting small column is connected to a telescopic rod, the bottom end of the telescopic rod is connected to the bottom end of the telescopic tube, and the side wall of the control telescopic block is connected to a movable main rod, the side wall of the movable main rod is connected to a stabilizing block, the side wall of the movable main rod is penetrated by a main rod square mouth, and the side wall of the movable main rod is connected to a short connecting rod.

[0008] Preferably, the bottom end of the movable main rod is connected to a T-shaped connecting block, and the bottom end of the T-shaped connecting block is provided with a plug-in column.

[0009] Preferably, a front wheel rotating column is provided on the side wall of the long connecting rod, and the top end of the front wheel rotating column is connected to the front wheel.

[0010] Preferably, the side wall of the T-shaped connecting block is connected to a rear wheel rotating column, and the top end of the rear wheel rotating column is connected to the rear wheel.

[0011] Preferably, the side wall of the long connecting rod is provided with a supporting pedal and a triangular plate.

[0012] The beneficial effects of the present invention are as follows: Compared with the prior art, the advantages of the present invention are:

[0013] The utility model is provided with a sit-stand conversion mechanism which can be driven electrically and can be operated by buttons or remote controls. The electric drive method is usually more convenient and labor-saving. A long connecting rod, a short connecting rod, a movable rod, a telescopic rod, a control telescopic block and a movable main rod are arranged as a whole for mainly coordinated use. When it is necessary to change the use, the long connecting rod drives the movable rod I to move, and the movable rod I drives the seat plate to move, and then the telescopic tube and the telescopic rod are used to move up and down, and finally the movable main rod is controlled to cooperate with the T-shaped connecting block to drive the rear wheel to rise, so that the overall automatic conversion can be flexibly driven.

[0014] Secondly, a movable rod II is connected to the side of the seat plate. The movable rod II can move, and the movement drives the electric push rod, the short connecting rod and the telescopic rod. This can expand the overall flexible use and enable people of different weights and sizes to use this mechanism with high flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the overall front view of the utility model;

[0018] Figure 4 It is a schematic diagram of the overall back side of the utility model;

[0019] Explanation of the numbers in the figure: 1 long connecting rod; 2 short connecting rod; 3 movable rod I; 4 crutch; 5 electric push rod; 6 telescopic tube; 7 front wheel; 8 rear wheel; 9 plug-in column; 10 stabilizing block; 11 T-shaped connecting block; 12 supporting pedal; 13 telescopic rod; 14 control telescopic block; 15 movable connecting tube; 16 connecting rod; 17 movable rod II; 18 movable main rod; 19 main rod square mouth; 20 triangular plate; 21 seat plate; 22 rear wheel rotating column; 23 connecting small column; 24 front wheel rotating column. DETAILED DESCRIPTION

[0020] As shown in the figure, the present invention is provided with a sit-stand conversion mechanism which can be driven electrically and can be operated by buttons or remote controls. The electric drive method is usually more convenient and labor-saving. A long connecting rod, a short connecting rod, a movable rod, a telescopic rod, a control telescopic block and a movable main rod are arranged as a whole for mainly coordinated use. When it is necessary to change use, the long connecting rod drives the movable rod I to move, and the movable rod I drives the seat plate to move, and then the telescopic tube and the telescopic rod are used to move up and down. Finally, the movable main rod is controlled to cooperate with the T-shaped connecting block to drive the rear wheel to rise, so that the overall automatic conversion can be flexibly driven. Secondly, the movable rod II is connected to the side of the seat plate. The movable rod II can move, and the movement drives the electric push rod, the short connecting rod and the telescopic rod. This can expand the overall flexible use, so that people of different weights and sizes can use this mechanism, which is highly flexible.

[0021] An automatic sit-to-stand conversion mechanism used in a walking aid device, comprising:

[0022] The side wall of the long connecting rod 1 is connected to the movable rod I3, the side wall of the movable rod I3 is connected to the crutch 4, the side wall of the crutch 4 is connected to the seat plate 21, the side wall of the seat plate 21 is provided with a movable rod II17, the side wall of the crutch 4 is connected to the movable rod II17, the side wall of the movable rod II17 is connected to the electric push rod 5, the side wall of the electric push rod 5 is connected to the connecting rod 16, the top of the connecting rod 16 is connected to the movable connecting tube 15, the side wall of the electric push rod 5 is connected to the connecting column 23, the top of the connecting column 23 is connected The telescopic rod 13, the bottom end of the telescopic rod 13 is connected to the bottom end of the telescopic tube 6, the bottom end of the telescopic control block 14 is connected to the side wall of the telescopic control block 14, the side wall of the telescopic control block 14 is connected to the active main rod 18, the side wall of the active main rod 18 is connected to the stabilizing block 10, the side wall of the active main rod 18 is penetrated by the main rod square opening 19, the side wall of the active main rod 18 is connected to the short connecting rod 2, and the long connecting rod 1, the short connecting rod 2, the active rod 13, the telescopic rod 13, the control telescopic block 14 and the active main rod 18 are mainly used in conjunction with each other.

[0023] It is worth noting that in order to make the movable main rod 18 more stable during operation, specifically, the bottom end of the movable main rod 18 is connected to a T-shaped connecting block 11, and the bottom end of the T-shaped connecting block 11 is provided with a plug-in column 9. The setting of the T-shaped connecting block 11 can make the movable main rod 18 more stable during operation.

[0024] It is worth noting that, in order to facilitate the movement of the whole, specifically, a front wheel rotating column 24 is provided on the side wall of the long connecting rod 1, and the top end of the front wheel rotating column 24 is connected to the front wheel 7, and the front wheel 7 can cooperate with the rear wheel 8 to move as a whole.

[0025] It is worth noting that in order to make the whole body move flexibly, specifically, the side wall of the T-shaped connecting block 11 is connected to a rear wheel rotating column 22, and the top of the rear wheel rotating column 22 is connected to the rear wheel 8, and the rear wheel 8 cooperates with the rear wheel rotating column 22 to move flexibly.

[0026] In addition, in order to facilitate support and use, specifically, the side wall of the long connecting rod 1 is provided with a supporting pedal 12 and a triangular plate 20. The supporting pedal 12 allows the user to place his feet and the triangular plate 20 provides better support.

[0027] Working Principle: When the long connecting rod 1 is retracted, the seat plate is in a horizontal position, allowing the patient to remain seated. When the long connecting rod 1 is extended, it pushes the crutches 4 to move, which in turn pushes the movable main rod 18, causing the seat plate 21 to flip down and become upright. The patient can then stand or walk with the crutches. When the patient is tired, the electric push rod 5 can be retracted by a button or remote control to reset the seat plate. The overall structure is equipped with a long connecting rod 1, a short connecting rod 2, an active rod I3, a telescopic rod 13, a control telescopic block 14 and a active main rod 18 for main coordinated use. When it is necessary to change the use, the long connecting rod 1 drives the active rod I3 to move, and the active rod I3 drives the seat plate 21 to move, and then the telescopic tube 6 and the telescopic rod 13 are used to move up and down, and finally the active main rod 18 is controlled to cooperate with the T-shaped connecting block 11 to drive the rear wheel to rise, so that the overall automatic change of use can be flexibly driven. An active rod II17 is connected to the side of the seat plate 21, and the active rod II17 can move, and the movement drives the electric push rod 5, the short connecting rod 2 and the telescopic rod 13 to expand the overall flexible use.

[0028] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic sit-to-stand conversion mechanism for use in a walking aid, characterized in that: include: A long connecting rod (1), the side wall of the long connecting rod (1) is connected to a movable rod I (3), the side wall of the movable rod I (3) is connected to a crutch (4), the side wall of the crutch (4) is connected to a seat plate (21), the side wall of the seat plate (21) is provided with a movable rod II (17), the side wall of the crutch (4) is connected to the movable rod II (17), the side wall of the movable rod II (17) is connected to an electric push rod (5), the side wall of the electric push rod (5) is connected to a connecting rod (16), the top of the connecting rod (16) is connected to a movable connecting pipe ( 15), the side wall of the electric push rod (5) is connected to a connecting column (23), the top end of the connecting column (23) is connected to a telescopic rod (13), the bottom end of the telescopic rod (13) is connected to a telescopic tube (6), the bottom end of which is connected to a control telescopic block (14), the side wall of the control telescopic block (14) is connected to a movable main rod (18), the side wall of the movable main rod (18) is connected to a stabilizing block (10), the side wall of the movable main rod (18) is penetrated by a main rod square opening (19), and the side wall of the movable main rod (18) is connected to a short connecting rod (2).

2. The automatic sit-to-stand transition mechanism for a walking aid according to claim 1, characterized in that: The bottom end of the movable main rod (18) is connected to a T-shaped connecting block (11), and the bottom end of the T-shaped connecting block (11) is provided with a plug-in column (9).

3. The automatic sit-to-stand transition mechanism for use in a walking aid according to claim 2, characterized in that: A front wheel rotating column (24) is provided on the side wall of the long connecting rod (1), and the top end of the front wheel rotating column (24) is connected to the front wheel (7).

4. The automatic sit-to-stand transition mechanism for use in a walking aid according to claim 3, characterized in that: The side wall of the T-shaped connecting block (11) is connected to a rear wheel rotating column (22), and the top end of the rear wheel rotating column (22) is connected to a rear wheel (8).

5. The automatic sit-to-stand transition mechanism for use in a walking aid according to claim 4, characterized in that: The side wall of the long connecting rod (1) is provided with a supporting pedal (12) and a triangular plate (20).

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