CN211535473U

CN211535473U - Foot drop walking aid

Info

Publication number: CN211535473U
Application number: CN201920923223.3U
Authority: CN
Inventors: 蔡碎女; 吴健; 张超杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-09-22
Anticipated expiration: 2029-06-19

Abstract

The utility model relates to the field of medical equipment. A foot drop walking aid device comprises a foot fixing sleeve, a connecting plate, a first fixing plate, a second fixing plate, a first rotating shaft, a second rotating shaft, a driving assembly, a steel wire and a spring; the connecting plate is fixedly arranged at the front part of the foot fixing sleeve, and the first fixing plate and the second fixing plate are both vertically arranged at the left side of the connecting plate; the first rotating shaft and the second rotating shaft are respectively arranged between the first fixing plate and the second fixing plate, the driving assembly is connected with the first rotating shaft through a coupler, and the driving assembly drives the first rotating shaft to rotate; a steel wire through hole for a steel wire to pass through is formed in the first rotating shaft, the upper end of the steel wire is inserted into the steel wire through hole around the second rotating shaft, and the steel wire is fixed on the first rotating shaft; the upper end of the spring is connected with the lower end of the steel wire, and the lower end of the spring is connected with a foot sleeve through the lower steel wire. The technical effect of this patent is that realize lightweight structural design, weight reduction, reduce cost prevents to drop, convenient operation and excellent in use effect.

Description

Foot drop walking aid

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a drop foot helps capable device.

Background

The spinal cord injury causes the patients with the full paralysis or the incomplete paralysis, the sciatic nerve injury, the peroneal nerve injury, the lower limb fracture or traction, the achilles tendon contracture and the coma and is easy to have the foot drop, thereby seriously affecting the foot function, not only causing the inconvenient body movement, but also causing the mental activities of the patients to be low, bringing great trouble and pain to the patients and seriously affecting the life quality of the patients. At present, the existing foot drop helps outfit, for example, the chinese utility model patent that publication number CN205107989U announces that day is 2016.03.30 discloses a foot drop rehabilitation correction massage shoe, by the leg hold in the palm, the foot holds in the palm, the round pin axle, leg frenulum, foot frenulum constitute, the lower extreme that the leg held in the palm is connected at the back of foot support with the round pin axle, establish leg frenulum and foot frenulum on leg support and foot support respectively, its characterized in that establishes the opening boots in the leg holds in the palm, establish the woollen goods knot on the opening boots, establish massage device in, the connecting seat is established to semicircular adjusting plate one end, the connecting plate on the leg frenulum is connected with the regulation hole through semicircular adjusting plate with the butterfly bolt to the other. Compared with the existing correction exercise method, the foot drop rehabilitation correction massage has the advantages of simple fixation, time and labor saving, patient pain reduction, correction and massage effects, good correction effect, blood circulation improvement and early rehabilitation of the limbs of the patient.

The existing foot drop walking aid device has the following problems: the mechanism on the existing device is too complex, the cost is too high, and the whole device is too heavy, so that the whole use experience is poor; the carrier is fixed on the shank through magic adhesion, and when the carrier walks, the carrier often slides down due to shank muscle movement and vibration, so that the carrier is inconvenient to use; most of the existing carriers are woven bandages which are made of flannelette, are not breathable, and are prone to sweat in hot seasons, so that the overall use experience is poor.

In conclusion, the existing foot drop walking aid device has the problems of too complex mechanism, too large weight, too high cost, loose fixation, easy gliding and poor air permeability.

Disclosure of Invention

The utility model aims to solve the problems of the prior foot drop walking aid device and provide a lightweight structure design by replacing a plate with a steel wire rope to reduce the weight; replace the magic through the podotheca and paste, accomplish the effect that prevents the gliding in the use promptly and increase the gas permeability, simultaneously easy operation and excellent in use effect's drop foot helps capable device.

For the purpose of the utility model, the following technical scheme is adopted to realize:

a foot drop walking aid device comprises a foot fixing sleeve, a connecting plate, a first fixing plate, a second fixing plate, a first rotating shaft, a second rotating shaft, a driving assembly, a steel wire and a spring; the connecting plate is fixedly arranged at the front part of the foot fixing sleeve, and the first fixing plate and the second fixing plate are vertically arranged at the left side of the connecting plate; the first rotating shaft and the second rotating shaft are respectively arranged between the first fixing plate and the second fixing plate, the driving assembly is connected with the first rotating shaft through a coupler, and the driving assembly drives the first rotating shaft to rotate; a steel wire through hole for a steel wire to pass through is formed in the first rotating shaft, the upper end of the steel wire is inserted into the steel wire through hole by bypassing the second rotating shaft, and the steel wire is fixed on the first rotating shaft; the upper end of the spring is connected with the lower end of the steel wire, and the lower end of the spring is connected with the foot cover through the lower steel wire. The device reduces cost and facilitates use through lightweight design.

Preferably, the driving assembly comprises a driving box, a driving motor, a driving worm wheel and a driving rotating shaft; the driving box is arranged at the right part of the connecting plate through a U-shaped connecting plate; the driving motor is arranged at the bottom of the U-shaped connecting plate; the lower end of the driving worm penetrates through the driving box and is connected with the driving motor; the upper end of the driving worm is arranged at the top of the driving box through a bearing seat; the driving worm wheel is meshed with the driving worm, one end of the driving rotating shaft is matched and connected with the center of the driving worm wheel, and the other end of the driving rotating shaft penetrates through the driving box and is connected with the first rotating shaft through the coupler. Better rotational control is facilitated by the drive assembly.

Preferably, the second rotating shaft is located at the front side of the first rotating shaft, and the center line of the second rotating shaft is on the same horizontal line with the center line of the first rotating shaft. The steel wire can be conveniently rotated better, and the fluency is improved.

Preferably, the diameter of the second rotating shaft is smaller than that of the first rotating shaft. The steel wire drawing height can be controlled better.

Preferably, the foot cover comprises a vertical rectangular steel wire and a horizontal U-shaped steel wire, the vertical rectangular steel wire is positioned on the front side of the horizontal U-shaped steel wire, and the lower steel wire is connected to the center of the top of the vertical rectangular steel wire; two open ends of the horizontal U-shaped steel wire are respectively fixed in the middle of the left side and the right side of the vertical rectangular steel wire. The weight is reduced, and simultaneously, the feet can be conveniently put into the foot sleeve.

Preferably, the rear part of the driving box is provided with a driving controller. Better control is facilitated by the drive controller.

Preferably, two ends of the second rotating shaft and two ends of the first rotating shaft are respectively arranged on the first fixing plate and the second fixing plate through bearings. The transmission efficiency is improved through the bearing.

A use method of a foot drop walking aid device sequentially comprises the following steps:

fixing the legs: the front part of the foot is inserted into the vertical rectangular steel wire, the rear part of the foot is placed in the horizontal U-shaped steel wire, and then the foot fixing sleeve is fixed on the upper part of the shank;

(II) steel wire fixation: the steel wire penetrates through the steel wire through hole and then is wound on the first rotating shaft to be fixed;

and (III) the operation of the device: the driving worm is driven to rotate by the driving motor in the driving assembly, the driving worm drives the driving worm wheel to rotate, so that the driving rotating shaft drives the first rotating shaft to rotate, the steel wire rotates along with the first rotating shaft, and finally the steel wire drives the foot sleeve to be lifted upwards through the spring to enable a foot-drop patient to finish walking.

According to the foot drop walking aid device adopting the technical scheme, the steel wire is replaced by the conventional plate, so that the weight is reduced, the cost is saved, and the foot drop walking aid device is convenient to carry and operate by a user; the steel wire is effectively transmitted through the matching between the first rotating shaft and the second rotating shaft, so that the transmission efficiency is improved, the smoothness in the transmission process is ensured, the transmission speed is conveniently and better controlled, and the device is more effectively suitable for different patients; through the cooperation between the worm gear among the drive assembly, be convenient for better control rotational speed, prevent the phenomenon that the speed is too fast or speed is too slow from appearing.

To sum up, the technical effect of this patent is that realize lightweight structural design, weight reduction, reduce cost prevents to drop, convenient operation and excellent in use effect.

Drawings

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

Fig. 2 is an exploded view of the present invention.

The labels in the figures are: the foot fixing sleeve 1, the connecting plate 2, the first fixing plate 3, the second fixing plate 4, the first rotating shaft 5, the steel wire through hole 51, the second rotating shaft 6, the driving assembly 7, the coupler 70, the driving box 71, the U-shaped connecting plate 711, the driving motor 72, the driving worm 73, the driving worm wheel 74, the driving rotating shaft 75, the driving controller 76, the steel wire 8, the spring 9, the lower steel wire 91, the foot sleeve 10, the vertical rectangular steel wire 101 and the horizontal U-shaped steel wire 102.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, and not all of the embodiments.

In the description, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the drawings, are used for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting.

As shown in figures 1 and 2, the foot drop walking aid device comprises a foot fixing sleeve 1, a connecting plate 2, a first fixing plate 3, a second fixing plate 4, a first rotating shaft 5, a second rotating shaft 6, a driving assembly 7, a steel wire 8 and a spring 9; the connecting plate 2 is fixedly arranged at the front part of the foot fixing sleeve 1, the first fixing plate 3 and the second fixing plate 4 are vertically arranged at the left side of the connecting plate 2, and the first fixing plate 3 and the second fixing plate 4 are arranged in parallel and aligned, so that a first rotating shaft 5 and a second rotating shaft 6 can be better installed; first pivot 5 and second pivot 6 set up respectively between first fixed plate 3 and second fixed plate 4, and the bearing setting is passed through respectively on first fixed plate 3 and second fixed plate 4 at the both ends of second pivot 6 and first pivot 5, improves transmission efficiency through the bearing, promotes life when reducing the resistance. The second rotating shaft 6 is positioned at the front side of the first rotating shaft 5, and the central line of the second rotating shaft 6 and the central line of the first rotating shaft 5 are on the same horizontal line, so that the steel wires on the rotating shafts can be smoothly conveyed, and the transmission efficiency is improved. The diameter of second pivot 6 is less than the diameter of first pivot 5, is convenient for better control transmission speed through the difference of two pivot diameters to more effective messenger patient carries out normal walking, prevents that speed is too fast or slow. The driving component 7 is connected with the first rotating shaft 5 through a coupler 70, and the driving component 7 drives the first rotating shaft 5 to rotate; be provided with the steel wire through-hole 51 that is used for the steel wire to pass on the first pivot 5, the upper end of steel wire 8 around second pivot 6 insert to steel wire through-hole 51 on, and steel wire 8 fixes on first pivot 5. The upper end of the spring 9 is connected with the lower end of the steel wire 8, so that the walking aid effect is further improved through the spring 9, and the resilience force is provided, so that the reciprocating motion can be better realized. The lower end of the spring 9 is connected with a foot sleeve 10 through a lower steel wire 91, the foot sleeve 10 comprises a vertical rectangular steel wire 101 and a horizontal U-shaped steel wire 102, the vertical rectangular steel wire 101 is positioned on the front side of the horizontal U-shaped steel wire 102, and the lower steel wire 91 is connected to the center of the top of the vertical rectangular steel wire 101; the two open ends of horizontal U type steel wire 102 are fixed respectively in the left and right sides middle part of vertical rectangle steel wire 101, replace common backup pad through the steel wire, also save the cost when lightening weight to the steel wire can effectively drive the foot and lift up and walk.

As shown in fig. 2, the driving assembly 7 includes a driving box 71, a driving motor 72, a driving worm 73, a driving worm wheel 74, and a driving rotation shaft 75; the driving box 71 is arranged at the right part of the connecting plate 2 through a U-shaped connecting plate 711; the driving motor 72 is arranged at the bottom of the U-shaped connecting plate 711; the lower end of the driving worm 73 penetrates through the driving box 71 and is connected with a driving motor 72; the upper end of the driving worm 73 is arranged at the top of the driving box 71 through a bearing seat; the driving worm wheel 74 is meshed with the driving worm 73, one end of the driving rotating shaft 75 is connected with the center of the driving worm wheel 74 in a matching manner, and the other end of the driving rotating shaft 75 penetrates through the driving box 71 and is connected with the first rotating shaft 5 through the coupler 70. The rear part of the driving box 71 is provided with a driving controller 76.

When the driving assembly 7 is operated, the driving motor 72 drives the driving worm 73 to rotate, the driving worm 73 drives the driving worm wheel 74 to rotate, so that the driving rotating shaft 75 drives the first rotating shaft 5 to rotate, and the driving controller 76 controls the rotating speed, so that the patient can use the optimal rotating speed to walk. The assembly is matched with a worm gear and a worm, so that the rotating speed can be controlled better, and the phenomenon that the speed is too fast or too slow can be prevented.

fixing the legs: the front part of the foot is inserted into the vertical rectangular steel wire 101, the rear part of the foot is placed in the horizontal U-shaped steel wire 102, and then the foot fixing sleeve 1 is fixed on the upper part of the lower leg;

(II) steel wire fixation: the steel wire 8 is fixed on the first rotating shaft 5 after passing through the steel wire through hole 51;

and (III) the operation of the device: the driving worm 73 is driven to rotate by the driving motor 72 in the driving assembly 7, the driving worm 73 drives the driving worm wheel 74 to rotate, so that the driving rotating shaft 75 drives the first rotating shaft 5 to rotate, the steel wire 8 rotates along with the first rotating shaft 5, and finally the steel wire 8 drives the foot cover 10 to be lifted upwards through the spring 9, so that the patient with foot drop finishes walking.

The device reduces the weight and saves the cost by replacing the conventional plate with the steel wire 8, and is convenient for a user to carry and operate; the steel wire 8 is effectively transmitted through the matching between the first rotating shaft 5 and the second rotating shaft 6, so that the transmission efficiency is improved, the smoothness in the transmission process is ensured, the transmission speed is conveniently and better controlled, and the device is more effectively suitable for different patients; through the cooperation between the worm gear among the drive assembly 7, be convenient for better control rotational speed, prevent the phenomenon that the speed is too fast or speed is too slow. To sum up, the technical effect of this patent is that realize lightweight structural design, weight reduction, reduce cost prevents to drop, convenient operation and excellent in use effect.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art. The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A foot drop walking aid device is characterized by comprising a foot fixing sleeve (1), a connecting plate (2), a first fixing plate (3), a second fixing plate (4), a first rotating shaft (5), a second rotating shaft (6), a driving assembly (7), a steel wire (8) and a spring (9); the connecting plate (2) is fixedly arranged at the front part of the foot fixing sleeve (1), and the first fixing plate (3) and the second fixing plate (4) are vertically arranged at the left side of the connecting plate (2); the first rotating shaft (5) and the second rotating shaft (6) are respectively arranged between the first fixing plate (3) and the second fixing plate (4), the driving assembly (7) is connected with the first rotating shaft (5) through a coupler (70), and the driving assembly (7) drives the first rotating shaft (5) to rotate; a steel wire through hole (51) for a steel wire to pass through is formed in the first rotating shaft (5), the upper end of the steel wire (8) bypasses the second rotating shaft (6) and is inserted into the steel wire through hole (51), and the steel wire (8) is fixed on the first rotating shaft (5); the upper end of the spring (9) is connected with the lower end of the steel wire (8), and the lower end of the spring (9) is connected with a foot sleeve (10) through a lower steel wire (91).

2. The foot drop walking aid device according to claim 1, wherein the driving assembly (7) comprises a driving box (71), a driving motor (72), a driving worm (73), a driving worm wheel (74) and a driving rotating shaft (75); the driving box (71) is arranged at the right part of the connecting plate (2) through a U-shaped connecting plate (711); the driving motor (72) is arranged at the bottom of the U-shaped connecting plate (711); the lower end of the driving worm (73) penetrates through the driving box (71) to be connected with the driving motor (72); the upper end of the driving worm (73) is arranged at the top of the driving box (71) through a bearing seat; the driving worm wheel (74) is meshed with the driving worm (73), one end of the driving rotating shaft (75) is matched and connected with the center of the driving worm wheel (74), and the other end of the driving rotating shaft (75) penetrates through the driving box (71) to be connected with the first rotating shaft (5) through the coupler (70).

3. A drop foot walker device according to claim 1, wherein the second shaft (6) is located in front of the first shaft (5) and the centre line of the second shaft (6) is level with the centre line of the first shaft (5).

4. A drop foot walker device according to claim 1, wherein the diameter of the second shaft (6) is smaller than the diameter of the first shaft (5).

5. The foot drop walking aid device according to claim 1, wherein the foot sleeve (10) comprises a vertical rectangular steel wire (101) and a horizontal U-shaped steel wire (102), the vertical rectangular steel wire (101) is positioned at the front side of the horizontal U-shaped steel wire (102), and the lower steel wire (91) is connected to the top center of the vertical rectangular steel wire (101); two open ends of the horizontal U-shaped steel wire (102) are respectively fixed in the middle of the left side and the right side of the vertical rectangular steel wire (101).

6. A drop foot walker device according to claim 2 wherein the rear of said drive housing (71) is provided with a drive control (76).

7. The foot drop walking aid device according to claim 1, wherein the two ends of the second rotating shaft (6) and the first rotating shaft (5) are respectively arranged on the first fixing plate (3) and the second fixing plate (4) through bearings.