Achilles tendon rehabilitation device

Abstract

The application discloses a kind of Achilles tendon rehabilitation devices, belong to the technical field of medical devices, solve the problem of inconvenient adjustment and poor precision and cannot adapt to walking, including upper shoe body, lower shoe body and ankle adjusting assembly, bottom plate rear end is equipped with the foot bottom adjusting assembly of supporting in the heel rear end of lower shoe body, fixed buckle inner limit is equipped with the lock catch that can be rotated by key driving, lock catch can be locked with locking hole by key rotation, to limit positioning boss on corresponding concave tooth groove, compared with prior art, the structure of ankle adjusting assembly is innovatively designed, by limiting lock catch installation on fixed buckle, ankle angle can be quickly and conveniently adjusted according to demand, with the advantages of good stability, simple structure, by concave tooth groove, the angle between upper shoe body and lower shoe body is adjusted, to adjust the angle in small range, meet the different needs of users;Meanwhile, through the structure of foot bottom adjusting assembly, it is convenient for user to walk.

Description

[0001] The present application relates to the technical field of medical devices, in particular to a tendon rehabilitation device.

[0002] When people's ankles are injured or tendons are broken, a brace needs to be fixed in the later recovery period to prevent re-injury and secondary tendon rupture. In the recovery period after tendon surgery, the tendon needs to be loosened first. Generally, the ankle joint is first plantarflexed with the toes pointing downward, at which time the angle between the toes and the lower leg is greater than 90 degrees. The initial angle between the toes and the lower leg is about 120°, and then the appropriate angle is increased every time, until it is adjusted to 90°.

[0003] Traditional rehabilitation braces are integrally formed and do not have an angle adjustment structure, but use a heel pad to place the heel. When using this brace, the lower leg and sole of the tendon injury patient cannot be completely fitted with the brace, the comfort and stability are poor, it cannot be applied to different tendon patients, and the recovery effect is poor.

[0004] The utility model patent with patent number ZL201620277507.6 discloses a walking boot with an angle adjustable structure for fixing and protecting the ankle joint. The angle between the toes and the lower leg is adjusted by the adjusting device on the back side of the ankle. The structure is complex, the stability is poor, and the minimum adjustment scale is too large, which cannot meet the recovery needs of different patients. At the same time, after the angle is adjusted, the sole surface and the lower leg have an angle, which makes the injured sole of the user only land on the toes and cannot walk normally.

[0005] The purpose of the present application is to solve the problems in the prior art and provide a rehabilitation fixing boot that has good stability, a simple structure, can quickly and conveniently adjust the angle of the ankle according to needs, and can facilitate the user to walk.

[0006] To achieve the above purpose, the present application provides a tendon rehabilitation device, which comprises:

[0007] an upper shoe body having a cavity for placing and fixing the user's lower leg;

[0008] a lower shoe body for fixing the user's foot, the upper shoe body and the lower shoe body being pivotally connected at the ankle, and the lower shoe body being able to swing relative to the upper shoe body;

[0009] and an ankle adjusting assembly, the rear ends of the upper shoe body and the lower shoe body being connected by the ankle adjusting assembly, the ankle adjusting assembly being able to adjust the angle between the upper shoe body and the lower shoe body and lock them;

[0010] ​​​The bottom of the lower shoe body is provided with a bottom plate, the front end of the bottom plate is swing-connected with the lower shoe body, and the rear end of the bottom plate is provided with a foot bottom adjusting assembly supported on the rear end of the heel of the lower shoe body, the foot bottom adjusting assembly can adjust the relative height of the heel of the lower shoe body and the bottom plate and is locked.

[0011] The ankle adjusting assembly comprises a plurality of concave tooth grooves arranged along the height direction of the rear end of the upper shoe body and a fixed rod with one end pivoted to the rear end of the heel of the lower shoe body, the concave tooth grooves are provided with locking holes, and the other end of the fixed rod is provided with a fixed buckle, the fixed buckle is provided with a positioning boss for cooperating with the concave tooth grooves.

[0012] A lock buckle capable of being rotated by the key is arranged in the fixed buckle, the lock buckle is locked with the locking hole by rotating the lock buckle through the key, and the positioning boss is limited on the corresponding concave tooth groove.

[0013] As preferred, an installation groove for limiting the installation of the lock buckle is arranged in the middle of the fixed buckle, the lock buckle is rotatably installed in the installation groove, the positioning boss is arranged at the bottom of the fixed buckle, and the outside of the fixed buckle is provided with a clamping portion for clamping the fixed rod.

[0014] As preferred, a plurality of circular arc grooves are arranged around the installation groove, the lock buckle is a rotary body, a first key groove for inserting the key is arranged in the middle of the lock buckle, the upper end of the lock buckle is a circular arc portion arranged in the installation groove, an elastic arm for cooperating with the circular arc groove is arranged on the circular arc portion, and a first locking portion for cooperating with the locking hole is arranged on the lower end of the lock buckle and extends from the side of the first key groove.

[0015] As preferred, the fixed rod is in a U shape, a connecting shaft for pivoting with the lower shoe body is arranged at the opening end of the fixed rod, and a cylinder for connecting the fixed buckle is arranged at the other end of the fixed rod; and the clamping portion of the fixed buckle is clamped on the cylinder of the fixed rod and can rotate.

[0016] As preferred, the key can control the foot bottom adjusting assembly to lock the relative position of the lower shoe body and the shoe sole after the adjustment.

[0017] As preferred, the foot bottom adjusting assembly comprises a fixing hole arranged at the rear end of the heel of the lower shoe body, a supporting rod pivoted with the rear end of the shoe sole, and a lock buckle capable of being rotated by the key, a plurality of through holes for cooperating with the fixing hole are arranged on the supporting rod along the length direction of the supporting rod, the lock buckle is arranged in the coaxial fixing hole and the through hole, and the lock buckle is limited and fixed in the fixing hole and the through hole by rotating the lock buckle through the key.

[0018] As preferred, the fixing hole is arranged on a sliding column at the rear end of the heel of the lower shoe body, the supporting rod is provided with a strip-shaped sliding groove matched with the sliding column and allowing the sliding column to slide in the strip-shaped sliding groove, and the sliding of the supporting rod can align one of the through holes with the fixing hole.

[0019] As preferred, the locking buckle is a rotary body, the center of which is provided with a second key slot, the bottom of the locking buckle is provided with a second locking part, the key is provided with a first key part corresponding to the key slot and a second key part corresponding to the second key slot.

[0020] As preferred, the front end of the lower shoe body is provided with a plurality of clamping grooves, the front end of the lower shoe body is detachably connected with a toe protection frame through the clamping grooves, and the toe protection frame is provided with a protruding part on both sides for disassembly.

[0021] As preferred, the lower shoe body and the upper shoe body are covered with a guard plate assembly through a strap, the guard plate assembly comprises an upper guard plate, a lower guard plate and an ankle protection frame, one end of the upper guard plate is fixedly connected with one end of the lower guard plate through a buckle, and the ankle protection frame is detachably fixed on the lower guard plate close to one side of the upper guard plate.

[0022] The present application has the advantages that compared with the prior art, the structure of the ankle adjusting assembly is innovatively designed, the locking buckle is installed on the fixing buckle, the angle of the ankle can be quickly and conveniently adjusted according to the needs, the ankle is prevented from falling off the shoe body during the adjustment and locking process, the structure is simple and has the advantages of good stability, the angle between the upper shoe body and the lower shoe body is adjusted through the concave tooth groove, the angle is adjusted in a small range, and the different needs of users are met; and the structure of the foot bottom adjusting assembly is used to adjust the height of the heel of the lower shoe body, and the user is facilitated to walk.

[0023] The features and advantages of the present application will be described in detail with reference to the embodiments and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present application;

[0025] Figure 2 It is a structural schematic diagram of the lower shoe body in the present application;

[0026] Figure 3 It is a structural schematic diagram of the upper shoe body in the present application;

[0027] Figure 4 It is a combined schematic diagram of the guard plate assembly in the present application;

[0028] Figure 5 It is a reference diagram of the use state of the present application after omitting the guard plate assembly and the strap;

[0029] Figure 6 It is a combined schematic diagram of the ankle adjusting assembly in the present application;

[0030] Figure 7 It is a structural schematic diagram of the fixing buckle in the present application;

[0031] Figure 8 Structure diagram of the lock of the present application;

[0032] Figure 9 Structure diagram of the fixed rod of the present application;

[0033] Figure 10 Combined structure diagram of the foot bottom adjusting assembly of the present application;

[0034] Figure 11 Structure diagram of the support rod of the present application;

[0035] Figure 12 Structure diagram of the lock of the present application;

[0036] Figure 13 Structure diagram of the toe protection frame of the present application;

[0037] Figure 14 Structure diagram of the usage state of the strap of the present application;

[0038] Figure 15 Structure diagram of the key of the present application;

[0039] Figure 16 Usage state diagram of the foot bottom adjusting assembly of the present application;

[0040] Figure 17 Second combined structure diagram in Example 2;

[0041] In the figure: lower shoe body 1, rotating hole 11, fixed hole 12, sliding column 13, first strap buckle 14, anti-skid lines 15, upper shoe body 2, rectangular hole 21, concave tooth groove 22, second strap buckle 23, calf plate 24, connecting column 25, key fixing groove 26, strap hole 27, guard plate assembly 3, upper guard plate 31, lower guard plate 32, ankle protection frame 33, ankle adjusting assembly 4, fixed buckle 41, positioning boss 411, clamping part 412, mounting groove 413, circular arc groove 414, lock 42, circular arc part 421, first key groove 422, first locking part 423, fixed rod 43, cylindrical column 431, connecting shaft 432, foot bottom adjusting assembly 5, support rod 51, through hole 511, sliding groove 512, lock 52, second key groove 521, second locking part 522, 53-bottom plate, 54-sole, toe protection frame 6, protruding part 61, strap 7, magic strap 71, D-shaped ring 72, first connecting buckle 73, second connecting buckle 74, key 8, first key part 81, second key part 82, rotating shaft 9.

DETAILED DESCRIPTION

[0042] Example 1

[0043] Referring to Figures 1 to 16 , the present example comprises:

[0044] The upper shoe body 2 has a cavity for the user's calf to be placed in and fixed, the upper shoe body 2 is a semi-cylindrical body, the second upper body 2 is provided with a second upper body 23 on both sides, and the second upper body 2 is provided with a calf plate 24 at the rear end, the calf plate 24 is fixed below the upper shoe body 2, and the two sides are connected through connecting columns 25, the connecting columns 25 are provided with a binding hole 27 above, the calf plate can be elastically deformed after the connecting column is cut off, the calf is tightly bound by the binding belt around the binding hole, and the purpose is to be suitable for users with relatively thick or thin calves; a rectangular hole 21 is arranged at the rear end of the ankle side, and a plurality of concave tooth grooves 22 are arranged on both sides of the rectangular hole 21;

[0045] The lower shoe body 1 is used for fixing the user's foot, the upper shoe body 2 and the lower shoe body 1 are pivoted at the ankle, and the lower shoe body 1 can swing relative to the upper shoe body 2; the top of the lower shoe body 1 is fully open, a rotating hole 11 is arranged at the ankle position, a first binding buckle 14 is arranged on both sides of the forefoot, and an anti-skid pattern 15 is arranged on the inner bottom surface for angle adjustment and to prevent the foot from slipping after adjustment; the ankle sides of the upper shoe body 2 and the lower shoe body 1 are connected together through the rotating shaft 9 cooperating with the rotating hole 11;

[0046] The ankle adjusting assembly 4 is arranged at the rear end of the upper shoe body 2 and the lower shoe body 1, and the ankle adjusting assembly 4 can adjust the angle between the upper shoe body 2 and the lower shoe body 1 and lock;

[0047] The bottom of the lower shoe body 1 is provided with a bottom plate 53, the bottom plate 53 is swing-connected with the lower shoe body 1 at the front end, and the rear end of the bottom plate 53 is provided with a foot bottom adjusting assembly 5 supported on the rear end of the heel of the lower shoe body 1, the foot bottom adjusting assembly 5 can adjust the relative height of the heel of the lower shoe body 1 and the bottom plate 53 and lock; a shoe sole 54 is sleeved on the bottom plate 53, the shoe sole 54 is made of soft EVA foam material, and the comfort of walking is improved.

[0048] The ankle adjusting assembly 4 includes a plurality of concave tooth grooves 22 arranged at the rear end of the upper shoe body 2 and along the height direction thereof, and a fixed rod 43 pivoted at one end to the rear end of the heel of the lower shoe body 1, the concave tooth grooves 22 are provided with a locking hole 21, the locking hole 21 is a rectangular hole, the concave tooth grooves 22 are distributed on both sides of the locking hole 21, the other end of the fixed rod 43 is provided with a fixed buckle 41, the fixed buckle 41 and the fixed rod 43 are always connected together during adjustment, and the fixed buckle 41 is provided with a positioning boss 411 for cooperating with the concave tooth groove 22; by selecting a certain height of the concave tooth groove 22 through the positioning boss 411, the angle between the upper shoe body 2 and the lower shoe body 1 is selected;

[0049] The fixed buckle 41 is provided with a lock buckle 2 which can be rotated by the key 8, and the lock buckle 42 can be locked with the lock hole 21 by rotating the key 8, so as to limit the positioning boss 411 on the corresponding concave tooth groove 22.

[0050] The ankle adjusting assembly 4 uses the following principle: when the Achilles tendon injured patient uses it for the first time, the ankle joint needs to be plantar flexed (the toe points downward, and the angle between the toe and the lower leg is greater than 90 degrees at this time, generally 120 degrees). The minimum scale is adjusted once every period of recovery, and the operation is as follows: the key 8 is inserted into the lock buckle 42 and rotated, the lock buckle 42 and the fixed buckle 41 are moved outward together, the positioning boss 411 is separated from the concave tooth groove 22, the upper shoe body 2 is rotated to make the angle between the upper shoe body 2 and the lower shoe body 1 reach the specified angle, then the positioning boss 411 on the fixed buckle 41 is clamped in the next scale concave tooth groove 22 of the upper shoe body 2, the key 8 is used to control the rotation of the lock buckle 42 again, so that the lock buckle 42 is clamped on both sides of the lock hole 21, and the key is taken out, that is, the adjustment of the ankle angle is completed.

[0051] Specifically, the fixed buckle 41 is provided with a mounting groove 413 for limiting the installation of the lock buckle 42, the lock buckle 42 is rotatably installed in the mounting groove 413, the positioning boss 411 is arranged at the bottom of the fixed buckle 41, and the fixed buckle 41 is provided with a clamping portion 412 which is clamped with the fixed rod 43. The clamping portion 412 is in a C shape. The fixed buckle 41 is clamped with the fixed rod 43 by the clamping portion 412, and the lock buckle 42 is limited to be installed in the mounting groove 413, so that the lock buckle 42 is always located in the mounting groove 413 and cannot be separated from the fixed buckle 41 during use, so that the operation is more convenient.

[0052] In order to prevent the lock buckle 42 from rotating automatically and separating from the fixed buckle 41, a plurality of circular arc grooves 414 are arranged around the mounting groove 413, the lock buckle 42 is a rotary body, a first key groove 422 is arranged in the middle for inserting the key 8, and a circular arc portion 421 is arranged at the upper end of the lock buckle 42 and arranged in the mounting groove 413. An elastic arm is arranged on the circular arc portion 421 and matched with the circular arc groove 414, a first locking portion 423 is arranged at the lower end of the lock buckle 42 and extends from the first key groove 422 and is matched with the lock hole 21, and the first locking portion 423 is used to be clamped on both sides of the lock hole 21.

[0053] Specifically, the fixed rod 43 is in a U shape, the opening end is provided with a connecting shaft 432 for pivoting with the lower shoe body 1, and the other end is provided with a cylinder 431 for connecting the fixed buckle 41; and the clamping portion 412 of the fixed buckle 41 is clamped on the cylinder 431 of the fixed rod 43 and can rotate.

[0054] Specifically, the key 8 can control the foot bottom adjusting assembly 5 to lock the relative position of the lower shoe body 1 and the bottom plate 53 after adjustment. The same key 8 is used to achieve the locking control of the ankle adjusting assembly 4 and the foot bottom adjusting assembly 5.

[0055] Specifically, the foot bottom adjusting assembly 5 includes a fixed hole 12 arranged at the rear end of the heel of the lower shoe body 1, a support rod 51 pivotally connected to the rear end of the bottom plate 53, and a rotatable locking buckle 52 actuated by the key 8. A plurality of through holes 511 for cooperating with the fixed hole 12 are distributed along the length of the support rod 51. The locking buckle 52 is used to insert the coaxial fixed hole 12 and the through hole 511. The locking buckle 52 can be fixed in the fixed hole 12 and the through hole 511 by rotating the locking buckle 52 through the key 8.

[0056] The use principle of the foot bottom adjusting assembly 5 is as follows: insert the key 8 into the locking buckle 52, rotate the locking buckle 52, remove the locking buckle 52, adjust the through hole 511 corresponding to the specified height of the fixed hole 12 in the lower shoe body 1, and when the two are aligned, insert the locking buckle 52 into the fixed hole 12 and the through hole 511, and rotate the locking buckle 52 with the key 8. Once the angle adjustment is completed.

[0057] In order to facilitate the quick alignment of the fixed hole 12 and the through hole 511 and facilitate operation, the fixed hole 12 is arranged on the extension column at the rear end of the heel of the lower shoe body 1. The fixed hole 12 is arranged beside the sliding column 13. The support rod 51 is provided with a strip-shaped sliding groove 512 matched with the sliding column 13 and allowing the sliding column 13 to slide therein. Sliding the support rod 51 can align one of the through holes 511 with the fixed hole 12.

[0058] Specifically, the locking buckle 52 is a rotary body with a second key groove 521 at its center. The bottom of the locking buckle 52 is provided with a second locking portion 522. The key 8 is provided with a first key portion 81 corresponding to the first key groove 422 and a second key portion 82 corresponding to the second key groove 521. The key fixing groove 26 is arranged in the middle of the calf plate 24 to prevent the key from being lost.

[0059] In order to be suitable for users with different foot lengths, the front end of the lower shoe body 1 is provided with a plurality of clamping grooves. The front end of the lower shoe body 1 is detachably connected to the toe protection frame 6 through the clamping grooves. The toe protection frame 6 is provided with a protruding portion 61 on both sides for disassembly. The protruding portion 61 is designed to facilitate disassembly.

[0060] Specifically, the lower shoe body 1 and the upper shoe body 2 are covered by the guard plate assembly 3, the guard plate assembly 3 comprises an L-shaped upper guard plate 31, a lower guard plate 32 and an ankle protection frame 33, one end of the upper guard plate 31 is fixedly connected with one end of the lower guard plate 32 through a buckle, and the ankle protection frame 33 is detachably fixed on the lower guard plate 32 close to one side of the upper guard plate 31. The upper guard plate 31 and the lower guard plate 32 are made of a certain strength of flexible material, and the ankle protection frame 33 is made of hard material, so as to prevent the ankle from being damaged by too much force; the guard plate assembly 3 is covered on the upper side of the lower shoe body and the opening of the upper shoe body through the binding belt 7; wherein the binding belt 7 comprises a magic tape 71 with a D-shaped ring 72, the magic tape 71 is fixedly connected with a first connecting buckle 73 and a second connecting buckle 74, and the end of the first connecting buckle 73 and the second connecting buckle 74 is provided with a circular hole which can be sleeved on the rotating shaft 9.

[0061] Embodiment 2

[0062] Refer to the attached drawings Figure 17 The difference between the embodiment and the embodiment 1 is only that the number of the fixing buckles 41 clamped on the fixing rod 43 is different, and the fixing buckles 41 in the embodiment are two, which are connected together through the clamping part 412 located in the middle and clamped in the cylinder 431 of the fixing rod 43.

[0063] The above embodiments are descriptions of the present application, not limitations of the present application, and any simple transformation of the present application belongs to the protection scope of the present application.

Claims

1. An Achilles tendon rehabilitation device, comprising: an upper shoe body (2) having a cavity for a user's lower leg to be placed in and fixed; a lower shoe body (1) for fixing a user's foot, the upper shoe body (2) and the lower shoe body (1) being pivotally connected at the ankle, the lower shoe body (1) being able to swing relative to the upper shoe body (2); and an ankle adjusting assembly (4) connecting the rear ends of the upper shoe body (2) and the lower shoe body (1), the ankle adjusting assembly (4) being able to adjust the angle between the upper shoe body (2) and the lower shoe body (1) and lock; characterized in that: the bottom of the lower shoe body (1) is provided with a bottom plate (53), the front end of the bottom plate (53) being swingably connected with the lower shoe body (1), and the rear end of the bottom plate (53) being provided with a sole adjusting assembly (5) supported on the rear end of the heel of the lower shoe body (1), the sole adjusting assembly (5) being able to adjust the relative height of the heel of the lower shoe body (1) and the bottom plate (53) and lock; the ankle adjusting assembly (4) comprises a plurality of concave tooth grooves (22) arranged along the height direction of the rear end of the upper shoe body (2) and a fixed rod (43) having one end pivotally connected to the rear end of the heel of the lower shoe body (1), the concave tooth grooves (22) being provided with locking holes (21), the other end of the fixed rod (43) being provided with a fixed buckle (41), the fixed buckle (41) being provided with a positioning boss (411) for cooperating with the concave tooth grooves (22); the sole adjusting assembly comprises a fixed hole provided at the rear end of the heel of the lower shoe body, a support rod pivotally connected with the rear end of the sole, and a locking buckle rotatable by the key, the support rod being provided with a plurality of through holes along the length of the support rod for cooperating with the fixed hole, the locking buckle being used for being inserted into the coaxial fixed hole and through hole, and the locking buckle being able to be limited and fixed in the fixed hole and the through hole by rotating the locking buckle by the key; the fixed buckle (41) is provided with a locking buckle (42) rotatable by the key (8) at the inner limit position, and the locking buckle (42) is able to be locked with the locking hole (21) by rotating the locking buckle (42) by the key (8) to limit the positioning boss (411) on the corresponding concave tooth groove (22); the fixed hole (12) is provided on the extension column at the rear end of the heel of the lower shoe body (1), the fixed hole (12) being provided with a sliding column (13) beside it, the support rod (51) being provided with a strip-shaped sliding groove (512) cooperating with the sliding column (13) and allowing the sliding column (13) to slide therein, and the sliding of the support rod (51) being able to align one of the through holes (511) with the fixed hole (12); the locking buckle (52) is a rotary body, the center of the locking buckle (52) being provided with a second key groove (521), the bottom of the locking buckle (52) being provided with a second locking portion (522), the key (8) being provided with a first key portion (81) corresponding to the key groove (422) and a second key portion (82) corresponding to the second key groove (521).

2. The Achilles tendon rehabilitation device according to claim 1, characterized in that: the bottom plate (53) is provided with a plurality of concave tooth grooves (23) arranged along the length direction of the bottom plate (53), the concave tooth grooves (23) being provided with locking holes (24) corresponding to the locking holes (21) of the fixed buckle (41), and the concave tooth grooves (23) being provided with positioning bosses (231) corresponding to the positioning bosses (411) of the fixed buckle (41).

3. The Achilles tendon rehabilitation device according to claim 1, characterized in that: the fixed hole (12) is provided with a plurality of through holes (511) along the length direction of the fixed hole (12), the through holes (511) being provided with positioning bosses (5111) corresponding to the positioning bosses (411) of the fixed buckle (41).

4. The Achilles tendon rehabilitation device according to claim 1, characterized in that: the locking buckle (52) is provided with a plurality of through holes (5211) along the length direction of the locking buckle (52), the through holes (5211) being provided with positioning bosses (5211) corresponding to the positioning bosses (411) of the fixed buckle (41).

5. The Achilles tendon rehabilitation device according to claim 1, characterized in that: the bottom plate (53) is provided with a plurality of concave tooth grooves (23) arranged along the length direction of the bottom plate (53), the concave tooth grooves (23) being provided with locking holes (24) corresponding to the locking holes (21) of the fixed buckle (41), and the concave tooth grooves (23) being provided with positioning bosses (231) corresponding to the positioning bosses (411) of the fixed buckle (41).

6. The Achilles tendon rehabilitation device according to claim 1, characterized in that: the fixed hole (12) is provided with a plurality of through holes (511) along the length direction of the fixed hole (12), the through holes (511) being provided with positioning bosses (5111) corresponding to the positioning bosses (411) of the fixed buckle (41).

7. The Achilles tendon rehabilitation device according to claim 1, characterized in that: the locking buckle (52) is provided with a plurality of through holes (5211) along the length direction of the locking buckle (52), the through holes (5211) being provided with positioning bosses (5211) corresponding to the positioning bosses (411) of the fixed buckle (41).

2. An Achilles rehabilitation device according to claim 1, wherein: The fixing buckle (41) is provided with an installation slot (413) for limiting installation of a lock buckle (42) in the middle, the lock buckle (42) is rotatably installed in the installation slot (413), the positioning boss (411) is arranged at the bottom of the fixing buckle (41), and the fixing buckle (41) is provided with a clamping portion (412) clamped with the fixing rod (43) on the outside.

3. An Achilles tendon rehabilitation device according to claim 2, wherein: The installation slot (413) is provided with a plurality of circular arc grooves (414) around, the lock buckle (42) is a rotary body, the middle is provided with a first key slot (422) for placing a key (8), the upper end is a circular arc portion (421) arranged in the installation slot (413), the circular arc portion (421) is provided with an elastic arm for cooperating with the circular arc groove (414), and the lower end of the lock buckle (42) is provided with a first locking portion (423) extending from the side of the first key slot (422) and cooperating with the locking hole (21).

4. An Achilles rehabilitation device according to any one of claims 1 to 3, wherein: The fixing rod (43) is U-shaped, the opening one end is provided with a connecting shaft (432) for pivoting with the lower shoe body (1), and the other end is provided with a cylinder (431) for connecting the fixing buckle (41); the clamping portion (412) of the fixing buckle (41) is clamped on the cylinder (431) of the fixing rod (43) and can rotate.

5. An Achilles tendon rehabilitation device according to claim 1, characterized in that: The lower shoe body (1) is provided with a plurality of clamping grooves at the front end, the toe protection frame (6) is detachably connected to the front end of the lower shoe body (1) through the clamping grooves, and the toe protection frame (6) is provided with a protruding portion (61) on both sides for disassembly.

6. An Achilles tendon rehabilitation device according to claim 1, characterized in that: The lower shoe body (1) and the upper shoe body (2) are covered with a guard plate assembly (3) through a binding belt (7), the guard plate assembly (3) comprises an upper guard plate (31), a lower guard plate (32) and an ankle protection frame (33), one end of the upper guard plate (31) is fixedly connected with one end of the lower guard plate (32) through a buckle, and the ankle protection frame (33) is detachably fixed on the lower guard plate (32) close to one side of the upper guard plate (31).

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