CN114366408B

CN114366408B - Ankle foot orthosis

Info

Publication number: CN114366408B
Application number: CN202210055584.7A
Authority: CN
Inventors: 陈晶晶; 胡启龙; 许剑蕾; 金叶林; 赵启荣; 张培培
Original assignee: Shanghai Yanzhi Rehabilitation Hospital Shanghai Sunshine Rehabilitation Center
Current assignee: Shanghai Yanzhi Rehabilitation Hospital Shanghai Sunshine Rehabilitation Center
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2023-11-10
Anticipated expiration: 2042-01-18
Also published as: CN114366408A

Abstract

The invention discloses an ankle foot orthosis, which comprises a foot sleeve, wherein the foot sleeve comprises: the wireless receiving device is used for receiving a plurality of adjustment instructions; the controller is used for generating a driving instruction according to the adjustment instruction; the heel component comprises a first regulating block, a second regulating block and a first driving piece, wherein the first driving piece is used for regulating the distance between the second regulating block and the first regulating block; the arch assembly comprises a third regulating block, a fourth regulating block and a second driving piece, and the second driving piece is used for regulating the distance between the fourth regulating block and the third regulating block; the foot sole assembly comprises a fifth adjusting block, a sixth adjusting block and a third driving piece, wherein the third driving piece is used for adjusting the distance between the sixth adjusting block and the fifth adjusting block; the first adjusting block and the third adjusting block are connected with a fourth driving piece for adjusting the distance between the first adjusting block and the third adjusting block; the third regulating block and the fifth regulating block are connected with a fifth driving piece for regulating the distance between the third regulating block and the fifth regulating block. The invention is used for adjusting the shape of the foot sleeve.

Description

Ankle foot orthosis

Technical Field

The invention relates to the technical field of ankle and foot correction, in particular to an ankle and foot orthosis.

Background

Ankle-foot orthoses, also known as calf orthoses, are orthoses having a structure from the calf to the sole of the foot, which control the movement of the ankle joint, and can be divided into branch-type ankle-foot orthoses, plastic ankle-foot orthoses, patellar ligament-bearing ankle-foot orthoses, etc. At present, the types of the prior ankle-foot orthoses are more, but the shape of the foot sleeve of the prior ankle-foot orthoses is single, but the sizes of feet of different people are different, the shapes of the feet are also different, and the foot sleeve of the ankle-foot orthoses with uniform shapes is not very suitable for being used for special people with feet defect, so that the use experience of the special people is poor. Meanwhile, the existing ankle-foot orthosis cannot adjust the shape of the foot sleeve according to the shape of the bottom surface of the foot of different people, so that the ankle-foot orthosis is inconvenient.

Disclosure of Invention

In view of the shortcomings of the prior art, the present invention aims to provide an ankle-foot orthosis for adjusting the shape of a foot cover.

In order to achieve the above purpose, the present invention provides the following technical solutions: an ankle-foot orthosis comprising a foot cuff and a leg fixing cuff rotatably connected to a tail portion of the foot cuff, the foot cuff comprising:

the wireless receiving device is used for receiving a plurality of externally transmitted adjustment instructions;

the controller is in signal connection with the wireless receiving device and is used for generating corresponding driving instructions according to a plurality of adjustment instructions;

the upper end of the sole is provided with a first placing groove body, a second placing groove body and a third placing groove body;

the heel component is arranged in the first placing groove body and positioned at the tail part of the foot sleeve, the heel component comprises a first adjusting block, a second adjusting block and at least one first driving piece, a first sliding cavity is arranged in the first adjusting block, the first driving piece is fixedly connected with the inner wall of the first sliding cavity, and the driving output end of the first driving piece is connected with the second adjusting block; and is used for adjusting the relative distance between the second adjusting block and the first adjusting block according to the driving instruction;

the foot arch assembly is arranged in the second placing groove body and is positioned in the middle of the foot sleeve, the foot arch assembly comprises a third adjusting block, a fourth adjusting block and at least one second driving piece, a second sliding cavity is arranged in the third adjusting block, the second driving piece is fixedly connected with the inner wall of the second sliding cavity, the driving output end of the second driving piece is connected with the fourth adjusting block, and the second driving piece is in signal connection with the controller and is used for adjusting the relative distance between the fourth adjusting block and the third adjusting block according to the driving instruction;

the foot rest assembly is arranged in the third placing groove body and positioned at the head part of the foot sleeve, the foot rest assembly comprises a fifth adjusting block, a sixth adjusting block and at least one third driving piece, a third sliding cavity is arranged in the fifth adjusting block, the third driving piece is fixedly connected with the inner wall of the third sliding cavity, the driving output end of the third driving piece is connected with the sixth adjusting block, and the third driving piece is in signal connection with the controller and is used for adjusting the relative distance between the sixth adjusting block and the fifth adjusting block according to the driving instruction;

a fourth driving piece is fixedly connected between the first adjusting block and the third adjusting block, is in signal connection with the controller and is used for adjusting the relative distance between the first adjusting block and the third adjusting block according to the driving instruction;

a first telescopic piece is hinged between the second regulating block and the fourth regulating block;

a fifth driving piece is fixedly connected between the third regulating block and the fifth regulating block, and the fifth driving piece is in signal connection with the controller and is used for regulating the relative distance between the third regulating block and the fifth regulating block according to the driving instruction;

a second telescopic piece is hinged between the fourth regulating block and the sixth regulating block;

the heel component, the arch component and the upper end of the sole component are fixedly covered with foot pads, and the foot pads and the soles are made of flexible stretchable materials;

when the heel, arch and ball assemblies are adjusted, the shape of the footpad and sole is stretched or contracted.

Further, the wireless receiving device is wirelessly connected with a three-dimensional laser scanning device, and the three-dimensional laser scanning device is used for carrying out three-dimensional scanning on feet of a user in advance so as to generate a corresponding three-dimensional foot image model, and further generates a plurality of adjustment instructions according to the three-dimensional foot image model and sends the adjustment instructions to the wireless receiving device.

Further, the wireless receiving device is wirelessly connected with an external control terminal, and the external control terminal is used for a user to input a plurality of adjustment parameters, generate corresponding adjustment instructions according to the adjustment parameters, and send the adjustment instructions to the wireless receiving device.

Further, the foot cover further comprises:

the air bag is fixedly arranged at the upper end of the foot pad right above the arch component, the air bag is detachably connected with an air inlet pipe, one end, far away from the air bag, of the air inlet pipe is connected to an external air charging device, the air charging device is in signal connection with the controller, the controller also generates an air charging instruction according to a plurality of adjustment instructions, and the air charging device charges the air bag according to the air charging instruction;

the air pressure detection device is arranged inside the air bag and is connected with the air charging device in a signal mode, and is used for detecting the air pressure in the air bag in real time, when the air pressure in the air bag is larger than a preset air pressure threshold value, an inflation stopping instruction is generated and sent to the air charging device, and the air charging device stops charging the air bag according to the inflation instruction.

Further, the fixed cover of shank includes montant, first fixed subassembly, second fixed subassembly and third fixed subassembly, the montant bottom is provided with bifurcation connecting portion, bifurcation connecting portion rotationally connects the both sides of heel subassembly, first fixed subassembly the second fixed subassembly with the third fixed subassembly is all openable and closable to be connected on the montant, first fixed subassembly the second fixed subassembly with the shape of third fixed subassembly is unanimous, the size of first fixed subassembly is greater than the second fixed subassembly, the size of second fixed subassembly is greater than the third fixed subassembly, first fixed subassembly is located the first distance department of predetermineeing of second fixed subassembly top, second fixed subassembly is located the second distance department of predetermineeing of third fixed subassembly upper end.

Further, the first fixing component comprises a pair of first arc limiting plates which are oppositely arranged, the pair of first arc limiting plates are rotatably connected to the vertical rod, a first arc cavity is arranged in the first arc limiting plates, a first telescopic notch is formed in one end, far away from the vertical rod, of the first arc limiting plates, the first arc cavity is communicated with the first telescopic notch, a first arc connecting plate and a plurality of first elastic stretching pieces are arranged in the first arc cavity, the first elastic stretching pieces are respectively connected with one end, far away from the first telescopic notch, of the first arc connecting plate, and one end, far away from the first elastic stretching pieces, of the first arc connecting plate is provided with at least one buckle and at least one notch;

when the pair of first elastic stretching pieces are stretched to the state that the pair of first arc-shaped connecting plates are mutually attached and abutted, the corresponding notch is buckled, and the pair of first elastic stretching pieces are mutually buckled.

Further, the second fixing assembly comprises a pair of second arc-shaped limiting plates which are oppositely arranged, the pair of second arc-shaped limiting plates are rotatably connected to the vertical rod, a second arc-shaped cavity is arranged in the second arc-shaped limiting plates, a second telescopic notch is formed in one end, far away from the vertical rod, of the second arc-shaped limiting plates, the second arc-shaped cavity is communicated with the second telescopic notch, a second arc-shaped connecting plate and a plurality of second elastic stretching pieces are arranged in the second arc-shaped cavity, the second elastic stretching pieces are respectively connected with one end, far away from the second telescopic notch, of the second arc-shaped cavity, and one end, far away from the second elastic stretching piece, of the second arc-shaped connecting plate is provided with at least one buckle and at least one notch;

when the pair of second elastic stretching pieces are stretched to the state that the pair of second arc-shaped connecting plates are mutually attached and abutted, the corresponding notch is buckled by the buckle, and the pair of second elastic stretching pieces are mutually buckled.

Further, the third fixing assembly comprises a pair of third arc-shaped limiting plates which are oppositely arranged, the pair of third arc-shaped limiting plates are rotatably connected to the vertical rod, a third arc-shaped cavity is arranged in the third arc-shaped limiting plates, a third telescopic notch is formed in one end, far away from the vertical rod, of the third arc-shaped limiting plates, the third arc-shaped cavity is communicated with the third telescopic notch, a third arc-shaped connecting plate and a plurality of third elastic stretching pieces are arranged in the third arc-shaped cavity, the third elastic stretching pieces are respectively connected with one end, far away from the third telescopic notch, of the third arc-shaped cavity, and one end, far away from the third elastic stretching piece, of the third arc-shaped connecting plate is provided with at least one buckle and at least one notch;

when the pair of third elastic stretching pieces are stretched to the state that the pair of third arc-shaped connecting plates are mutually attached and abutted, the corresponding notch is buckled, and the pair of third elastic stretching pieces are mutually buckled.

Further, flexible buffer pads are respectively attached to the inner sides of the first arc-shaped limiting plate, the second arc-shaped limiting plate and the third arc-shaped limiting plate;

the first arc limiting plate, the second arc limiting plate and the third arc limiting plate are all penetrated and provided with first ventilation holes, the flexible buffer cushion is penetrated and provided with corresponding second ventilation holes, and the first ventilation holes are abutted to the corresponding second ventilation holes.

Further, the upper end of the foot pad is provided with a plurality of elastic limiting pieces for limiting the feet of the user.

The invention has the beneficial effects that:

according to the invention, the shape structure of the foot cover is improved, the wireless receiving device receives the externally transmitted adjusting instruction, the controller generates the driving instruction according to the adjusting instruction and transmits the driving instruction to each driving piece, and then the relative distance between each adjusting block is adjusted through each driving piece, so that the shape of the foot pad is adjusted, the shape of the foot cover can be adjusted according to the shapes of the bottom surfaces of feet of different users, the wearing comfort of the users is effectively improved, and the foot cover is efficient and convenient.

Drawings

FIG. 1 is a schematic general construction of the present invention;

figure 2 is a schematic exterior view of the heel, arch and ball assemblies of the present invention;

FIG. 3 is a schematic view showing the internal structures of the first, third and fifth adjusting blocks according to the present invention;

fig. 4 is a control schematic of the present invention.

Reference numerals: 1. foot sleeves; 11. a wireless receiving device; 12. a controller; 13. sole of foot; 14. a heel assembly; 141. a first adjustment block; 142. a second adjustment block; 143. a first driving member; 15. an arch assembly; 151. a third adjustment block; 152. a fourth adjustment block; 153. a second driving member; 154. a fourth driving member; 155. a first telescopic member; 16. a ball assembly; 161. a fifth adjustment block; 162. a sixth adjustment block; 163. a third driving member; 164. a fifth driving member; 165. a second telescopic member; 17. a foot pad; 18. an air bag; 19. an air pressure detecting device; 2. leg fixing sleeves; 21. a vertical rod; 211. a bifurcated connection; 22. a first fixing assembly; 221. a first arc-shaped limiting plate; 222. a first arc-shaped connecting plate; 23. a second fixing assembly; 231. the second arc limiting plate; 232. a second arc-shaped connecting plate; 24. a third fixed assembly; 241. a third arc-shaped limiting plate; 242. a third arc-shaped connecting plate; 3. a three-dimensional laser scanning device; 4. an external control terminal; 5. an inflator; 6. and an elastic limiting piece.

Detailed Description

The invention will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 4, an ankle-foot orthosis of the present embodiment includes:

including foot cover 1 and shank fixed cover 2, shank fixed cover 2 rotationally connect foot cover 1's afterbody, its characterized in that, foot cover 1 includes:

a wireless receiving device 11 for receiving a plurality of adjustment instructions sent from the outside;

the controller 12 is in signal connection with the wireless receiving device 11 and is used for generating corresponding driving instructions according to a plurality of adjustment instructions;

the upper end of the sole 13 is provided with a first placing groove body, a second placing groove body and a third placing groove body;

the heel component 14 is arranged in the first placing groove body and positioned at the tail part of the foot sleeve 1, the heel component 14 comprises a first regulating block 141, a second regulating block 142 and at least one first driving piece 143, a first sliding cavity is arranged in the first regulating block 141, the driving output end of the first driving piece 143 is connected with the second regulating block 142, and the other end is fixedly connected with the inner wall of the first sliding cavity; the first driving piece 143 is in signal connection with the controller 12 and is used for adjusting the relative distance between the second adjusting block 142 and the first adjusting block 141 according to the driving instruction;

the arch component 15 is arranged in the second placing groove body and is positioned in the middle of the foot sleeve 1, the arch component 15 comprises a third adjusting block 151, a fourth adjusting block 152 and at least one second driving piece 153, a second sliding cavity is arranged in the third adjusting block 151, the driving output end of the second driving piece 153 is connected with the fourth adjusting block 152, the other end of the second driving piece 153 is fixedly connected with the inner wall of the second sliding cavity, and the second driving piece 153 is in signal connection with the controller 12 and is used for adjusting the relative distance between the fourth adjusting block 152 and the third adjusting block 151 according to a driving instruction;

the sole component is arranged in the third placing groove body and positioned at the head of the foot sleeve 1, and comprises a fifth adjusting block 161, a sixth adjusting block 162 and at least one third driving piece 163, wherein a third sliding cavity is arranged in the fifth adjusting block 161, the driving output end of the third driving piece 163 is connected with the sixth adjusting block 162, the other end of the third driving piece 163 is fixedly connected with the inner wall of the third sliding cavity, and the third driving piece 163 is in signal connection with the controller 12 and is used for adjusting the relative distance between the sixth adjusting block 162 and the fifth adjusting block 161 according to a driving instruction;

a fourth driving piece 154 is fixedly connected between the first adjusting block 141 and the third adjusting block 151, and the fourth driving piece 154 is in signal connection with the controller 12 and is used for adjusting the relative distance between the first adjusting block 141 and the third adjusting block 151 according to a driving instruction;

a first telescopic member 155 is transversely hinged between the second regulating block 142 and the fourth regulating block 152, and the first telescopic member 155 is arranged, so that the second regulating block 142 and the fourth regulating block 152 are positioned on the same horizontal plane when moving, and the structural stability of the technical scheme is improved;

a fifth driving piece 164 is fixedly connected between the third adjusting block 151 and the fifth adjusting block 161, and the fifth driving piece 164 is in signal connection with the controller 12 and is used for adjusting the relative distance between the third adjusting block 151 and the fifth adjusting block 161 according to a driving instruction;

a second telescopic piece 165 is transversely hinged between the fourth regulating block 152 and the sixth regulating block 162, and the second telescopic piece 165 is arranged, so that the fourth regulating block 152 and the sixth regulating block 162 are positioned on the same horizontal plane when moving, and the structural stability of the technical scheme is improved;

the heel component 14, the arch component 15 and the upper end of the sole component are fixedly covered with a foot pad 17, and the foot pad 17 and the sole 13 are made of flexible stretchable materials;

after the heel assembly 14, arch assembly 15, and ball assembly are adjusted, the shape of the foot pad 17 and sole 13 are stretched or contracted.

Specifically, in the present embodiment, the first driving member 143, the second driving member 153, the third driving member 163, the fourth driving member 154, and the fifth driving member 164 are all micro-hydraulic cylinders. The foot pad 17 is made of medical silica gel material, the sole 13 is made of rubber material, and the first telescopic rod and the second telescopic rod can be telescopic rods. After receiving the plurality of adjustment instructions, the wireless receiving device 11 sends the plurality of adjustment instructions to the controller 12, the controller 12 generates corresponding driving instructions according to the plurality of adjustment instructions, and sends the driving instructions to the first driving piece 143, the second driving piece 153, the third driving piece 163, the fourth driving piece 154 and the fifth driving piece 164, so that the first driving piece 143 adjusts the relative distance between the second adjusting piece 142 and the first adjusting piece 141 according to the driving instructions, the second driving piece 153 adjusts the relative distance between the fourth adjusting piece 152 and the third adjusting piece 151 according to the driving instructions, the third driving piece 163 adjusts the relative distance between the sixth adjusting piece 162 and the fifth adjusting piece 161 according to the driving instructions, the fourth driving piece 154 adjusts the relative distance between the first adjusting piece 141 and the third adjusting piece 151 according to the driving instructions, the first telescopic piece 155 synchronously adjusts the relative distance between the second adjusting piece 142 and the fourth adjusting piece 152 under the action of the fourth driving piece 154, and the fifth driving piece 164 synchronously adjusts the relative distance between the third adjusting piece 151 and the fifth adjusting piece 161 under the action of the fifth telescopic piece 165. Under the adjustment of the distance between the adjusting blocks, the foot pad 17 positioned at the upper ends of the heel component 14, the arch component 15 and the sole component stretches or contracts the shapes of the foot pad 17 and the sole 13 until the shapes of the foot pad are consistent with the shapes of the bottom surfaces of the feet of the user, so that the foot pad 17 is completely attached to the feet of the user, and the experience of the user is effectively improved.

According to the technical scheme, the shape and structure of the foot cover 1 are improved, the wireless receiving device 11 receives an externally sent adjusting instruction, the controller 12 generates a driving instruction according to the adjusting instruction and sends the driving instruction to each driving piece, and then the relative distance between each adjusting block is adjusted through each driving piece, so that the shape of the foot pad 17 is adjusted, the shape of the foot pad 17 can be adjusted according to the shape of the bottom surface of the foot of different users, wearing comfort of the users is effectively improved, and the foot cover is efficient and convenient.

Preferably, the wireless receiving device 11 is wirelessly connected with a three-dimensional laser scanning device 3, and the three-dimensional laser scanning device 3 is used for performing three-dimensional scanning on the feet of the user in advance to generate a corresponding three-dimensional foot image model, and further generates a plurality of adjustment instructions according to the three-dimensional foot image model and sends the adjustment instructions to the wireless receiving device 11.

Preferably, the wireless receiving device 11 is wirelessly connected to an external control terminal 4, and the external control terminal 4 is configured to allow a user to input a plurality of adjustment parameters, generate corresponding adjustment instructions according to the plurality of adjustment parameters, and send the adjustment instructions to the wireless receiving device 11.

Specifically, in this embodiment, the external control terminal 4 may be a mobile phone, a tablet computer, or an intelligent control device such as an intelligent bracelet. The user can directly input the adjustment parameters to the external control terminal 4, and the external control terminal 4 generates a corresponding adjustment instruction according to the adjustment parameters input by the user and transmits the adjustment instruction to the wireless receiving device 11.

Preferably, the foot cover 1 further comprises:

the air bag 18 is fixedly arranged at the upper end of the foot pad 17 right above the arch assembly 15, the air bag 18 is detachably connected with an air inlet pipe, one end of the air inlet pipe, which is far away from the air bag 18, is connected to an external air charging device 5, the air charging device 5 is in signal connection with the controller 12, the controller 12 also generates an air charging instruction according to a plurality of adjusting instructions, and the air charging device 5 charges the air bag 18 according to the air charging instruction;

the air pressure detection device 19 is arranged inside the air bag 18 and is connected with the air charging device 5 through a signal, the air pressure detection device 19 is used for detecting the air pressure in the air bag 18 in real time, and when the air pressure in the air bag 18 is greater than a preset air pressure threshold value, an inflation stopping instruction is generated and sent to the air charging device 5, and the air charging device 5 stops charging the air bag 18 according to the inflation instruction.

Specifically, in the present embodiment, the air pressure detecting device 19 may be an air pressure sensor. When a user stands on the foot pad 17, the air bag 18 is propped against the arch of the user, the air pressure detection device 19 detects the air pressure in the air bag 18 in real time, the air pressure in the air bag 18 exceeds the air pressure threshold value, the air pressure in the air bag 18 is prevented from exceeding the air pressure threshold value and being dangerous, and the safety of the technical scheme is effectively improved.

Preferably, the leg fixing sleeve 2 comprises a vertical rod 21, a first fixing component 22, a second fixing component 23 and a third fixing component 24, a bifurcation connecting part 211 is arranged at the bottom end of the vertical rod 21, the bifurcation connecting part 211 is rotatably connected with two sides of the heel component 14, the first fixing component 22, the second fixing component 23 and the third fixing component 24 are all connected on the vertical rod 21 in an openable mode, the shapes of the first fixing component 22, the second fixing component 23 and the third fixing component 24 are consistent, the body size of the first fixing component 22 is larger than that of the second fixing component 23, the body size of the second fixing component 23 is larger than that of the third fixing component 24, the first fixing component 22 is located at a first preset distance above the second fixing component 23, and the second fixing component 23 is located at a second preset distance above the third fixing component 24.

Specifically, in this embodiment, the first preset distance may be 5cm, and the second preset distance may be 6cm. The first fixing component 22 is used for fixing the leg of the user in a detachable manner, the third fixing component 24 is used for fixing the ankle of the user in a detachable manner, and the second fixing component 23 is used for fixing the position between the leg of the user and the ankle in a detachable manner.

Preferably, the first fixing component 22 includes a pair of first arc limiting plates 221 that are oppositely disposed, the pair of first arc limiting plates 221 are both rotatably connected to the vertical rod 21, a first arc cavity is disposed in the first arc limiting plates 221, a first telescopic notch is formed at one end of the first arc limiting plates 221 far away from the vertical rod 21, the first arc cavity is communicated with the first telescopic notch, a first arc connecting plate 222 and a plurality of first elastic stretching members are disposed in the first arc cavity, each first elastic stretching member is respectively connected with one end of the first arc cavity far away from the first telescopic notch and the first arc connecting plate 222, and at least one buckle and at least one notch are disposed at one end of the first arc connecting plate 222 far away from the first elastic stretching member;

when the pair of first elastic stretching members are stretched to the pair of first arc-shaped connecting plates 222 to be mutually attached and abutted, the corresponding notches are buckled, and the pair of first elastic stretching members are mutually buckled.

Specifically, in this embodiment, the first elastic stretching member may be a elastic cord.

Preferably, the second fixing component 23 comprises a pair of second arc limiting plates 231 which are oppositely arranged, the pair of second arc limiting plates 231 are both rotatably connected to the vertical rod 21, a second arc cavity is arranged in the second arc limiting plates 231, a second telescopic notch is formed in one end, far away from the vertical rod 21, of the second arc limiting plates 231, the second arc cavity is communicated with the second telescopic notch, a second arc connecting plate 232 and a plurality of second elastic stretching pieces are arranged in the second arc cavity, each second elastic stretching piece is respectively connected with one end, far away from the second telescopic notch, of the second arc cavity and the second arc connecting plate 232, and one end, far away from the second elastic stretching piece, of the second arc connecting plate 232 is provided with at least one buckle and at least one notch;

when the pair of second elastic stretching members are stretched to the position where the pair of second arc-shaped connecting plates 232 are mutually attached and abutted, the corresponding notches are buckled, and the pair of second elastic stretching members are mutually buckled.

In particular, in this embodiment, the second elastic stretching member may be a bungee cord.

Preferably, the third fixing component 24 includes a pair of third arc limiting plates 241 which are oppositely arranged, the pair of third arc limiting plates 241 are both rotatably connected to the vertical rod 21, a third arc cavity is arranged in the third arc limiting plates 241, a third telescopic notch is formed at one end of the third arc limiting plates 241 far away from the vertical rod 21, the third arc cavity is communicated with the third telescopic notch, a third arc connecting plate 242 and a plurality of third elastic stretching members are arranged in the third arc cavity, each third elastic stretching member is respectively connected with one end of the third arc cavity far away from the third telescopic notch and the third arc connecting plate 242, and at least one buckle and at least one notch are formed at one end of the third arc connecting plate 242 far away from the third elastic stretching member;

when the pair of third elastic stretching members are stretched to the position where the pair of third arc-shaped connecting plates 242 are mutually attached and abutted, the corresponding notch is buckled, and the pair of third elastic stretching members are mutually buckled.

Specifically, in this embodiment, the third elastic stretching member may be a bungee cord.

Preferably, flexible buffer pads are attached to the inner sides of the first arc-shaped limiting plate 221, the second arc-shaped limiting plate 231 and the third arc-shaped limiting plate 241;

the first arc limiting plate 221, the second arc limiting plate 231 and the third arc limiting plate 241 are all provided with first ventilation holes in a penetrating mode, the flexible buffer cushion is provided with corresponding second ventilation holes in a penetrating mode, and the first ventilation holes are abutted to the corresponding second ventilation holes.

Specifically, in this embodiment, the flexible buffer pad can be made by silica gel, sets up the flexible buffer pad through laminating in first arc limiting plate 221, second arc limiting plate 231 and third arc limiting plate 241 inboard, has promoted the comfort level when user and first arc limiting plate 221, second arc limiting plate 231 and third arc limiting plate 241 contact, and then has promoted user's use experience.

Preferably, the upper end of the foot pad 17 is provided with a plurality of elastic stoppers 6 for stopping the foot of the user.

Specifically, in this embodiment, the elastic limiting member 6 may be an elastic band.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims

1. An ankle-foot orthosis, comprising a foot sleeve (1) and a leg fixing sleeve (2), the leg fixing sleeve (2) being rotatably connected to the tail of the foot sleeve (1), characterized in that the foot sleeve (1) comprises:

a wireless receiving device (11) for receiving a plurality of externally transmitted adjustment instructions;

the controller (12) is in signal connection with the wireless receiving device (11) and is used for generating corresponding driving instructions according to a plurality of adjustment instructions;

the upper end of the sole (13) is provided with a first placing groove body, a second placing groove body and a third placing groove body;

the heel component (14) is arranged in the first placing groove body and positioned at the tail part of the foot sleeve (1), the heel component (14) comprises a first adjusting block (141), a second adjusting block (142) and at least one first driving piece (143), a first sliding cavity is arranged in the first adjusting block (141), the first driving piece (143) is fixedly connected with the inner wall of the first sliding cavity, and the driving output end of the first driving piece (143) is connected with the second adjusting block (142); the first driving piece (143) is in signal connection with the controller (12) and is used for adjusting the relative distance between the second adjusting block (142) and the first adjusting block (141) according to the driving instruction;

the arch assembly (15) is arranged in the second placing groove body and is positioned in the middle of the foot sleeve (1), the arch assembly (15) comprises a third adjusting block (151), a fourth adjusting block (152) and at least one second driving piece (153), a second sliding cavity is arranged in the third adjusting block (151), the second driving piece (153) is fixedly connected with the inner wall of the second sliding cavity, the driving output end of the second driving piece (153) is connected with the fourth adjusting block (152), the second driving piece (153) is in signal connection with the controller (12), and the relative distance between the fourth adjusting block (152) and the third adjusting block (151) is adjusted according to the driving instruction;

the foot sole assembly (16) is arranged in the third placing groove body and is positioned at the head of the foot sleeve (1), the foot sole assembly (16) comprises a fifth adjusting block (161), a sixth adjusting block (162) and at least one third driving piece (163), a third sliding cavity is arranged in the fifth adjusting block (161), the third driving piece (163) is fixedly connected with the inner wall of the third sliding cavity, the driving output end of the third driving piece (163) is connected with the sixth adjusting block (162), the third driving piece (163) is in signal connection with the controller (12), and the foot sole assembly is used for adjusting the relative distance between the sixth adjusting block (162) and the fifth adjusting block (161) according to the driving instruction;

a fourth driving piece (154) is fixedly connected between the first adjusting block (141) and the third adjusting block (151), and the fourth driving piece (154) is in signal connection with the controller (12) and is used for adjusting the relative distance between the first adjusting block (141) and the third adjusting block (151) according to the driving instruction;

a first telescopic piece (155) is hinged between the second regulating block (142) and the fourth regulating block (152);

a fifth driving piece (164) is fixedly connected between the third adjusting block (151) and the fifth adjusting block (161), and the fifth driving piece (164) is in signal connection with the controller (12) and is used for adjusting the relative distance between the third adjusting block (151) and the fifth adjusting block (161) according to the driving instruction;

a second telescopic piece (165) is hinged between the fourth regulating block (152) and the sixth regulating block (162);

the heel component (14), the arch component (15) and the upper end of the sole component (16) are fixedly covered with a foot pad (17), and the foot pad (17) and the sole (13) are made of flexible stretchable materials;

when the heel assembly (14), the arch assembly (15) and the ball assembly (16) are adjusted, the shape of the foot pad (17) and the sole (13) are stretched or contracted;

the wireless receiving device (11) is wirelessly connected with a three-dimensional laser scanning device (3), the three-dimensional laser scanning device (3) is used for carrying out three-dimensional scanning on feet of a user in advance to generate a corresponding three-dimensional foot image model, and then a plurality of adjustment instructions are generated according to the three-dimensional foot image model and sent to the wireless receiving device (11);

the wireless receiving device (11) is wirelessly connected with an external control terminal (4), and the external control terminal (4) is used for a user to input a plurality of adjustment parameters, generate corresponding adjustment instructions according to the adjustment parameters and send the adjustment instructions to the wireless receiving device (11).

2. An ankle-foot orthosis according to claim 1, characterized in that: the foot cover (1) further comprises:

the air bag (18), the air bag (18) is fixedly arranged at the upper end of the foot pad (17) right above the arch component (15), the air bag (18) is detachably connected with an air inlet pipe, one end of the air inlet pipe, which is far away from the air bag (18), is connected to an external air charging device (5), the air charging device (5) is in signal connection with the controller (12), the controller (12) also generates an air charging instruction according to a plurality of adjustment instructions, and the air charging device (5) charges the air bag (18) according to the air charging instruction;

the air pressure detection device (19) is arranged inside the air bag (18) and is connected with the air charging device (5) in a signal mode, the air pressure detection device (19) is used for detecting the air pressure in the air bag (18) in real time, when the air pressure in the air bag (18) is larger than a preset air pressure threshold value, an inflation stopping instruction is generated and sent to the air charging device (5), and the air charging device (5) stops charging the air bag (18) according to the inflation instruction.

3. An ankle-foot orthosis according to claim 1, characterized in that: the leg fixing sleeve (2) comprises a vertical rod (21), a first fixing component (22), a second fixing component (23) and a third fixing component (24), a bifurcation connecting part (211) is arranged at the bottom end of the vertical rod (21), the bifurcation connecting part (211) is rotatably connected with two sides of the heel component (14), the first fixing component (22), the second fixing component (23) and the third fixing component (24) are all connected to the vertical rod (21) in an openable mode, the first fixing component (22), the second fixing component (23) and the third fixing component (24) are identical in shape, the body size of the first fixing component (22) is larger than that of the second fixing component (23), the body size of the second fixing component (23) is larger than that of the third fixing component (24), the first fixing component (22) is located at a first preset distance above the second fixing component (23), and the second fixing component (23) is located at a second preset distance above the third fixing component (24).

4. An ankle foot orthosis according to claim 3, characterized in that: the first fixing assembly (22) comprises a pair of first arc limiting plates (221) which are oppositely arranged, the pair of first arc limiting plates (221) are rotatably connected to the vertical rods (21), first arc cavities are formed in the first arc limiting plates (221), first telescopic notches are formed in the ends, away from the vertical rods (21), of the first arc limiting plates (221), the first arc cavities are communicated with the first telescopic notches, a first arc connecting plate (222) and a plurality of first elastic stretching pieces are arranged in the first arc cavities, the first arc connecting plates are respectively connected with one ends, away from the first telescopic notches, of the first arc connecting plates (222), and at least one buckle and one notch are formed in one ends, away from the first elastic stretching pieces, of the first arc connecting plates (222);

when the pair of first elastic stretching pieces are stretched to the position that the pair of first arc-shaped connecting plates (222) are mutually attached and abutted, the corresponding notch is buckled by the buckle, and the pair of first elastic stretching pieces are mutually buckled.

5. An ankle-foot orthosis according to claim 4, characterized in that: the second fixing assembly (23) comprises a pair of second arc limiting plates (231) which are oppositely arranged, the pair of second arc limiting plates (231) are rotatably connected to the vertical rods (21), second arc cavities are formed in the second arc limiting plates (231), second telescopic notches are formed in the ends, away from the vertical rods (21), of the second arc limiting plates (231), the second arc cavities are communicated with the second telescopic notches, a second arc connecting plate (232) and a plurality of second elastic stretching pieces are arranged in the second arc cavities, the second arc connecting plates are respectively connected with one ends, away from the second telescopic notches, of the second arc connecting plates (232), and one ends, away from the second elastic stretching pieces, of the second arc connecting plates (232) are provided with at least one buckle and at least one notch;

when the pair of second elastic stretching pieces are stretched to the position that the pair of second arc-shaped connecting plates (232) are mutually attached and abutted, the corresponding notch is buckled by the buckle, and the pair of second elastic stretching pieces are mutually buckled.

6. An ankle-foot orthosis according to claim 5, characterized in that: the third fixing assembly (24) comprises a pair of third arc limiting plates (241) which are oppositely arranged, the pair of third arc limiting plates (241) are rotatably connected to the vertical rods (21), third arc cavities are formed in the third arc limiting plates (241), one ends, far away from the vertical rods (21), of the third arc limiting plates (241) are provided with third telescopic notches, the third arc cavities are communicated with the third telescopic notches, a third arc connecting plate (242) and a plurality of third elastic stretching pieces are arranged in the third arc cavities, the third arc connecting plates are respectively connected with one ends, far away from the third telescopic notches, of the third arc connecting plates (242), and one ends, far away from the third elastic stretching pieces, of the third arc connecting plates (242) are provided with at least one buckle and at least one notch;

when the pair of third elastic stretching pieces are stretched to the position that the pair of third arc-shaped connecting plates (242) are mutually attached and abutted, the corresponding notch is buckled by the buckle, and the pair of third elastic stretching pieces are mutually buckled.

7. An ankle-foot orthosis according to claim 6, characterized in that: the inner sides of the first arc-shaped limiting plate (221), the second arc-shaped limiting plate (231) and the third arc-shaped limiting plate (241) are respectively provided with a flexible buffer pad in a fitting manner;

the flexible cushion pad is characterized in that the first arc-shaped limiting plate (221), the second arc-shaped limiting plate (231) and the third arc-shaped limiting plate (241) are all provided with first ventilation holes in a penetrating mode, the flexible cushion pad is provided with corresponding second ventilation holes in a penetrating mode, and the first ventilation holes are abutted to the corresponding second ventilation holes.

8. An ankle-foot orthosis according to claim 1, characterized in that: the upper end of the foot pad (17) is provided with a plurality of elastic limiting pieces (6) for limiting the feet of a user.