CN214910002U - Rehabilitation device for treating ankle injury by cam-ejector rod structure - Google Patents
Rehabilitation device for treating ankle injury by cam-ejector rod structure Download PDFInfo
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- CN214910002U CN214910002U CN202023082812.5U CN202023082812U CN214910002U CN 214910002 U CN214910002 U CN 214910002U CN 202023082812 U CN202023082812 U CN 202023082812U CN 214910002 U CN214910002 U CN 214910002U
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Abstract
The utility model provides a rehabilitation device for treating ankle injury by a cam-ejector rod structure, which comprises: the device comprises a motor driving part, a crank connecting rod mechanism, a cam-ejector rod mechanism, a four-corner damper supporting structure, a foot supporting plate and a fixed-angle rotating mechanism buffered by a spring; the motor driving part comprises a first motor connected with a crank of the crank-link mechanism, and a second motor and a third motor connected with cams of the two cam-mandril mechanisms; one end of a connecting rod of the crank connecting rod mechanism is connected with one end of a crank, and the other end of the connecting rod of the crank connecting rod mechanism is connected to the front plate through a universal joint; one end of the ejector rod in the cam-ejector rod mechanism, which is far away from the cam, is connected with the left side or the right side of the bottom of the foot supporting plate; the cam drives the mandril to lift or fall back when rotating; the four-corner damper support structure is connected to four corners of the foot support plate; the fixed angle rotating mechanism buffered by the spring is connected with the foot supporting plate in a linkage manner so as to drive the foot supporting plate to rotate within a certain angle range.
Description
Technical Field
The utility model relates to a rehabilitation device especially relates to foot rehabilitation device
Background
The ankle joint is an important load bearing joint of the human body and plays an indispensable role when the human body completes actions such as standing, walking, bouncing and the like, so that the ankle joint also bears huge pressure. When a human body moves, the motion range of the ankle joint exceeds the limit motion range of the ankle joint due to uneven ground, incorrect posture or excessive external force, and the like, so that the joint capsule, ligament, tendon and other tissues around the joint are seriously damaged, and the joint is called as joint sprain in medical science. Ankle sprain is one of the most common skeletal trauma in orthopedics clinic.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem that will solve is to ankle joint damage design a mechanical device, and the artifical rehabilitation training means of simulation doctor has the recovered relevant actions such as upset, rotation, tensile, reaches rehabilitation's purpose.
In order to solve the above technical problem, the present invention provides a rehabilitation device for treating ankle injury with a cam-ejector pin structure, comprising: the device comprises a motor driving part, a crank connecting rod mechanism, a cam-ejector rod mechanism, a four-corner damper supporting structure, a foot supporting plate and a fixed-angle rotating mechanism buffered by a spring;
the motor driving part comprises a first motor connected with a crank of the crank-link mechanism, and a second motor and a third motor connected with cams of the two cam-mandril mechanisms;
one end of a connecting rod of the crank connecting rod mechanism is connected with one end of a crank, and the other end of the connecting rod of the crank connecting rod mechanism is connected to the front plate through a universal joint;
one end of the ejector rod in the cam-ejector rod mechanism, which is far away from the cam, is connected with the left side or the right side of the bottom of the foot supporting plate; the cam drives the ejector rod to lift or fall back when rotating;
the four-corner damper support structure is connected to four corners of the foot support plate;
the spring-buffered fixed-angle rotating mechanism is connected with the foot supporting plate in a linkage manner so as to drive the foot supporting plate to rotate within a certain angle range.
In a preferred embodiment: the foot supporting plate comprises a horizontal plate and an inclined plate forming an acute included angle with the horizontal plate; the horizontal plate is used for connecting the four-corner damper supporting structure, the ejector rod and the fixed-angle rotating mechanism buffered by the spring, and the inclined plate is used for placing feet.
In a preferred embodiment: one end of the front plate is rotatably connected with the horizontal plate, and the other end of the front plate is connected with the universal joint and movably abutted against the lower part of the inclined plate.
In a preferred embodiment: the lower part of the inclined plate is provided with a slide rail, and the other end of the front plate is connected with the slide rail in a sliding manner.
In a preferred embodiment: and springs are arranged in the four-corner damper supporting structure along the height direction.
In a preferred embodiment: the spring-buffered fixed-angle rotating mechanism comprises a semicircular rotating pair and a semicircular spring; the semicircular rotary pair and the semicircular spring are arranged in a circular groove, and the rotary pair is connected with the foot supporting plate through a rotating shaft.
Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:
the utility model provides a with the recovery device of cam-ejector pin structure treatment ankle damage, refer to the training action among the ankle injury patient treatment scheme and carry out the mechanism design, there are 3 kinds of motion schemes during the operation, but the perfect match socially most ankle injured's condition, all can find solution. Firstly, simulating the training of dorsal extension and plantar flexion: the front motor is started, the crank connecting rod device starts to work, the universal joint connected with the connecting rod drives the front plate to be connected in a multi-angle mode, the front plate rotates relative to the horizontal plate, the inclined plate is provided with a slide rail, the front plate is limited in the slide rail during rotation and moves along the slide rail, the inclined plate can be driven to rise or fall, a sole limited on the inclined plate is adjusted to rise, and the purpose of massaging the ankle is achieved. Secondly, simulating a manual auxiliary ankle inward and outward turning training process, lifting one side of a horizontal plate by a cam ejector rod mechanism, realizing the stability of return after displacement by utilizing a four-corner buffer, preventing oscillation and ensuring that the device is more stable and safer; and finally, the left and right plane rotation motion is simulated, after the feet are limited, the motor at the bottom drives the output shaft to rotate, the semicircular fixed-angle rotating mechanism connected to the shaft can realize rotation at a certain angle under the control of the motor, and a spring buffer structure is matched to achieve stable transition reversing and prevent secondary ankle injury.
Drawings
Fig. 1 is a perspective view of a preferred embodiment of the present invention.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.
Referring to fig. 1, the present embodiment provides a rehabilitation device for treating ankle injury in a cam-ejector structure, including: the device comprises a motor driving part, a crank connecting rod mechanism, a cam-ejector rod mechanism, a four-corner damper supporting structure 9, a foot supporting plate and a fixed-angle rotating mechanism 10 buffered by a spring;
the motor driving part comprises a first motor 2 connected with a crank 1 of the crank-link mechanism, a second motor 4 and a third motor 5 which are connected with cams 3 of the two cam-mandril mechanisms;
one end of a connecting rod 6 of the crank 1 connecting rod mechanism is connected with one end of the crank 1, and the other end of the connecting rod is connected to a front plate 7 through a universal joint;
one end of the mandril 8 in the cam-mandril mechanism, which is far away from the cam 3, is connected with the left side or the right side of the bottom of the foot supporting plate; the cam 3 drives the mandril 8 to lift or fall back when rotating;
the four-corner damper support structure 9 is connected to four corners of the foot support plate;
the spring-buffered fixed-angle rotating mechanism 10 is connected with the foot supporting plate in a linkage manner so as to drive the foot supporting plate to rotate within a certain angle range.
Specifically, the foot supporting plate comprises a horizontal plate 11 and a sloping plate 12 forming an acute included angle with the horizontal plate 11; the horizontal plate 11 is used for connecting the four-corner damper supporting structure 9, the ejector rod 8 and the fixed-angle rotating mechanism 10 buffered by the spring, and the inclined plate 12 is used for placing feet.
One end of the front plate 7 is rotatably connected with the horizontal plate 11, and the other end is connected with the universal joint and movably abutted against the lower part of the inclined plate 12.
In order to realize the movable contact between the front plate 7 and the inclined plate 12, a slide rail is arranged at the lower part of the inclined plate 12, and the other end of the front plate 7 is connected with the slide rail in a sliding way.
Because the cam-ejector rod 8 mechanism drives the horizontal plate 11 to incline, the four-corner damper support structure 9 can deform, and in order to enable the four-corner damper support structure 9 to have certain deformation resistance, springs are arranged in the four-corner damper support structure 9 along the height direction.
The spring-buffered fixed-angle rotating mechanism 10 comprises a semicircular rotating pair and a semicircular spring; the semicircular rotary pair and the semicircular spring are arranged in a circular groove, and the rotary pair is connected with the foot supporting plate through a rotating shaft.
The rehabilitation device for treating ankle injury by using the cam-ejector rod structure is designed by referring to training actions in a treatment scheme of a patient with ankle injury, has 3 motion schemes during operation, can perfectly match the situation that most of ankles are injured in the society, and can find a solution.
Firstly, simulating the training of dorsal extension and plantar flexion: the front motor is started, the crank 1 and the connecting rod 6 device start to work, the universal joint connected with the connecting rod 6 drives the front plate 7 to be connected in a multi-angle mode, the front plate 7 rotates relative to the horizontal plate 11, the inclined plate 12 is provided with a slide rail, the front plate 7 is limited in the slide rail when rotating, and can move along the slide rail to drive the inclined plate 12 to rise or fall, so that the sole limited on the inclined plate 12 is lifted, and the purpose of massaging the ankle is achieved.
Secondly, simulating a manual auxiliary ankle inward and outward turning training process, lifting one side of a horizontal plate by a cam-ejector rod mechanism, realizing the stability of return after displacement by utilizing a four-corner buffer, preventing oscillation and ensuring that the device is more stable and safer;
and finally, the left and right plane rotation motion is simulated, after the feet are limited, the motor at the bottom drives the output shaft to rotate, the semicircular fixed-angle rotating mechanism connected to the shaft can realize rotation at a certain angle under the control of the motor, and the spring buffer structure is matched to achieve stable transition reversing and prevent secondary ankle injury.
The whole device has good safety performance, perfect functions and simple design, reduces the mechanical structure with excessive complexity, can reduce the failure rate of the device and the development cost, and simultaneously improves the safety and the durability of the device.
The above, only be the preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, and any skilled person familiar with the technical field is in the technical scope disclosed in the present invention, and it is right to utilize this concept to perform insubstantial changes to the present invention, all belong to the act of infringing the protection scope of the present invention.
Claims (6)
1. With cam-ejector pin structure treatment ankle injury's rehabilitation device which characterized in that includes: the device comprises a motor driving part, a crank connecting rod mechanism, a cam-ejector rod mechanism, a four-corner damper supporting structure, a foot supporting plate and a fixed-angle rotating mechanism buffered by a spring;
the motor driving part comprises a first motor connected with a crank of the crank-link mechanism, and a second motor and a third motor connected with cams of the two cam-mandril mechanisms;
one end of a connecting rod of the crank connecting rod mechanism is connected with one end of a crank, and the other end of the connecting rod of the crank connecting rod mechanism is connected to the front plate through a universal joint;
one end of the ejector rod in the cam-ejector rod mechanism, which is far away from the cam, is connected with the left side or the right side of the bottom of the foot supporting plate; the cam drives the ejector rod to lift or fall back when rotating;
the four-corner damper support structure is connected to four corners of the foot support plate;
the spring-buffered fixed-angle rotating mechanism is connected with the foot supporting plate in a linkage manner so as to drive the foot supporting plate to rotate within a certain angle range.
2. The rehabilitation device for treating ankle injuries with a cam-ejector pin structure according to claim 1, wherein: the foot supporting plate comprises a horizontal plate and an inclined plate forming an acute included angle with the horizontal plate; the horizontal plate is used for connecting the four-corner damper supporting structure, the ejector rod and the fixed-angle rotating mechanism buffered by the spring, and the inclined plate is used for placing feet.
3. The rehabilitation device for treating ankle injuries with a cam-ejector pin structure according to claim 2, wherein: one end of the front plate is rotatably connected with the horizontal plate, and the other end of the front plate is connected with the universal joint and movably abutted against the lower part of the inclined plate.
4. The rehabilitation device for treating ankle injuries with a cam-ejector pin structure according to claim 3, wherein: the lower part of the inclined plate is provided with a slide rail, and the other end of the front plate is connected with the slide rail in a sliding manner.
5. The rehabilitation device for treating ankle injuries with a cam-ejector pin structure according to claim 1, wherein: and springs are arranged in the four-corner damper supporting structure along the height direction.
6. The rehabilitation device for treating ankle injuries with a cam-ejector pin structure according to claim 1, wherein: the spring-buffered fixed-angle rotating mechanism comprises a semicircular rotating pair and a semicircular spring; the semicircular rotary pair and the semicircular spring are arranged in a circular groove, and the rotary pair is connected with the foot supporting plate through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082812.5U CN214910002U (en) | 2020-12-18 | 2020-12-18 | Rehabilitation device for treating ankle injury by cam-ejector rod structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082812.5U CN214910002U (en) | 2020-12-18 | 2020-12-18 | Rehabilitation device for treating ankle injury by cam-ejector rod structure |
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| CN214910002U true CN214910002U (en) | 2021-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112603757A (en) * | 2020-12-18 | 2021-04-06 | 华侨大学 | Rehabilitation device for treating ankle injury by cam-ejector rod structure |
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- 2020-12-18 CN CN202023082812.5U patent/CN214910002U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112603757A (en) * | 2020-12-18 | 2021-04-06 | 华侨大学 | Rehabilitation device for treating ankle injury by cam-ejector rod structure |
| CN112603757B (en) * | 2020-12-18 | 2024-05-17 | 华侨大学 | Rehabilitation device for treating ankle injury by cam-ejector rod structure |
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