A kind of ankle joint rehabilitation training device
Technical field
The utility model relates to training type rehabilitation appliances technical fields, and in particular to a kind of ankle joint rehabilitation training device.
Background technique
Human body has numerous joints, such as hip joint, knee joint, ankle-joint and wrist joint, and wherein ankle-joint is people and ground
Identity distance carries the body wt of almost entire people from nearest joint, especially when people is jumping, running and body weight bearing
When, ankle-joint subjects huge impact and load, and sprained ankle is caused to become disease incidence highest in general joint damage
One kind.Anatomy and medical science of recovery therapy identification, when spring, running and climb and fall, ankle-joint is easiest to that motility occurs
Damage.Theory of medicine and clinical medicine all prove that the patient of this kind of joint injury/limb injury is in addition to needing to carry out early stage drug
Outside treatment and operative treatment, it there is a need to carry out scientific, accurate, appropriate rehabilitation training.Currently, the ankle having had in the market closes
Section convalescence device function is simple, volume is big, weight is heavy, rehabilitation training mode is single, expensive, and patient needs in profession
Rehabilitation training can be just carried out under the guidance of personage, therefore is generally all applied inside hospital or clinic, and the marketization is unfavorable for.
For example, Chinese patent literature CN103190972B discloses a kind of ankle-joint recovering aid dress with sphere-pin pair
It sets, including upper mounting plate and lower platform, upper mounting plate and lower platform are equipped with dorsiflex/plantar flexion driving device, inversion/eversion driving dress so far
It sets and ankle device, dorsiflex/plantar flexion driving device is connect with upper mounting plate and lower platform respectively by sphere-pin pair, inversion/eversion
Driving device is connect with upper mounting plate and lower platform respectively by sphere-pin pair.The device can be realized other turns in addition to rotation
It is dynamic, different motor drive modes can be selected according to Rehabilitation demand.But the device only can be realized two freedom degrees
Rotation, can not achieve ankle-joint free rehabilitation training entirely, and structure is complicated, cost is high.
Chinese patent literature CN205339468U discloses a kind of three-degree of freedom ankle joint device for healing and training, including outer
Shell, ankle-joint turning unit, ankle-joint dorsiflexion plantar flexion unit, ankle-joint varus turn up unit, it can be achieved that ankle-joint is all basic
The rehabilitation training of movement.Although the device can be realized the rehabilitation training of ankle-joint Three Degree Of Freedom, but due to three of them revolution
Axis is fixed, therefore the freedom degree rotated is limited, is not the rotation of full freedom degree;Simultaneously when the ankle-joint of patient returns
Shaft axis cannot with the axis of rotation of device for healing and training completely to it is corresponding when the ankle motion of patient will be caused to involve
Sense;In addition, the device volume is big, structure is complicated, higher cost.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome ankle joint rehabilitation training device knot in the prior art
The technical issues of structure is complicated, volume is big, cost is high and rehabilitation training insufficiency face, to provide, a kind of structure is simple, body
Long-pending small, low cost and the ankle joint rehabilitation training device for the rehabilitation training that can be realized full freedom degree.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows:
A kind of ankle joint rehabilitation training device, comprising:
Foot pedal;
Globe joint structure is fixed on the lower surface of the foot pedal;
Ball-joint support, has the accommodating space for accommodating the globe joint structure, and the globe joint structure is placed in institute
It states in accommodating space, and the centre of sphere of the globe joint structure is arranged not higher than the highest point of the accommodating space, so that described
Globe joint structure is freely rotated in the accommodating space under external force.
It further include a support construction in above-mentioned ankle joint rehabilitation training device, the support construction is set in the ball and closes
In section structure, for the globe joint structure to be suspended limit in the accommodating space.
In above-mentioned ankle joint rehabilitation training device, the support construction includes being respectively sleeved at the globe joint structure top
The first drag ring, lower part the second drag ring and be arranged on first drag ring for by the globe joint structure
Activity is limited to the locating part in the accommodating space.
It further include a slide construction in above-mentioned ankle joint rehabilitation training device, the slide construction is arranged in the support
The lower section of structure, for pushing the support construction to move up or move down along the axial direction of the accommodating space under external force.
In above-mentioned ankle joint rehabilitation training device, the slide construction includes the locking that upper and lower surfaces are spherical surface
Block, and set up the first sliding shoe and the second sliding shoe in the upper and lower surfaces of the latch segment separately, first sliding
Block and the second sliding shoe are spherical surface sliding contact with the upper and lower surfaces of the corresponding latch segment, and external force is in institute
Stating moves it along the axial reciprocating perpendicular to the accommodating space, so that first sliding shoe is described in
The axial direction of accommodating space is moved up or is moved down.
It further include a locking mechanism in above-mentioned ankle joint rehabilitation training device, the locking mechanism passes through the ball-joint
The side wall of support is connected on the latch segment.
In above-mentioned ankle joint rehabilitation training device, the locking mechanism includes locking knob and is molded over the ball-joint
The threaded block being adapted to the locking knob on support, the locking knob is under external force along empty perpendicular to the accommodating
Between axial reciprocating it is mobile.
It further include the limit rotated along the horizontal plane for limiting the globe joint structure in above-mentioned ankle joint rehabilitation training device
Bit architecture, the position limiting structure are arranged on the globe joint structure and ball-joint support.
In above-mentioned ankle joint rehabilitation training device, the position limiting structure includes the warp being molded on the globe joint structure
Slot is mounted on the stop plunger through in wire casing and is molded on the ball-joint support, leads to described through wire casing is corresponding
Hole.
It further include being arranged on the foot pedal to be used to detect the ball-joint in above-mentioned ankle joint rehabilitation training device
The angular transducer of the movement angle of structure.
The technical solution of the utility model compared with prior art, has the advantages that
1. ankle joint rehabilitation training device provided by the utility model, comprising: foot pedal;Globe joint structure is fixed on institute
State the lower surface of foot pedal;Ball-joint support has the accommodating space for accommodating the globe joint structure, the ball-joint knot
It sets up in the accommodating space, and the centre of sphere of the globe joint structure is arranged not higher than the highest point of the accommodating space, with
So that the globe joint structure is freely rotated in the accommodating space under external force.Such design is existed due to ball-joint
Being placed under the action of the both feet on foot pedal can be freely rotated in ball-joint support, therefore can be realized patient's ankle-joint back
/ plantar flexion, turn up/varus and the complete free rehabilitation training of outward turning/inward turning three degree of freedom are bent, the various demands of patient are met,
And its structure is simple, small in size, therefore the raw material that use are few and easy to process when industrially manufacturing, so making cost phase
The reduction answered, it is more conducively market-oriented.
2. ankle joint rehabilitation training device provided by the utility model further includes a support construction, the support construction set
It is located on the globe joint structure, for the globe joint structure to be suspended limit in the accommodating space.The support knot
Structure includes being respectively sleeved at first drag ring on the globe joint structure top, the second drag ring of lower part and being arranged described
Locating part on first drag ring for being limited to the activity of the globe joint structure in the accommodating space.Such design
Enable globe joint structure to suspend to be fixed in accommodating space, it then can be by increaseing or decreasing the first drag ring, the second friction
Ring adjusts the frictional force between the first drag ring, the second drag ring and globe joint structure to the pressure of globe joint structure, in turn
The different degrees of impedance training of patient's unrestricted choice is realized, to enhance patient when using ankle joint rehabilitation training device
Flexibility and independence.
3. further including a slide construction, the slide construction in ankle joint rehabilitation training device provided by the utility model
The lower section of the support construction is set, for pushing the support construction along the axial direction of the accommodating space under external force
It moves up or moves down.Such design can be moved up by support construction along the axial direction of accommodating space or lower in-migration increaseds or decreases pair
The pressure of second drag ring, and then the second drag ring is made to move up or move down along the axial direction of accommodating space, to increased or decrease
The frictional force of globe joint structure during exercise, such structure design operation are simple and easy for installation.
4. in ankle joint rehabilitation training device provided by the utility model, the slide construction includes upper and lower surfaces
It is the latch segment of spherical surface, and sets up separately and slided in the first sliding shoe of the upper and lower surfaces of the latch segment and second
Block, first sliding shoe and the second sliding shoe are that spherical surface sliding connects with the upper and lower surfaces of the corresponding latch segment
Touching, external force moves it along the axial reciprocating perpendicular to the accommodating space, so that described
First sliding shoe is moved up or is moved down along the axial direction of the accommodating space.Latch segment and the first sliding shoe and the second sliding shoe it is upper,
Lower surface is spherical surface sliding contact, changes the first sliding shoe and the second sliding shoe and locking using the radian of spherical structure itself
The contact position of block, and then change the axial height of slide construction, to exert a force to support construction, such structure design is reaching
The external force applied while to effect same to slide construction reduces accordingly, i.e., different degrees of impedance is needed in patient
It trains used strength when the size for carrying out regulating friction force to reduce, is being used to enhance ankle joint rehabilitation training device
When convenience.
5. further including a locking mechanism, the locking mechanism in ankle joint rehabilitation training device provided by the utility model
Side wall across the ball-joint support is connected on the latch segment.The locking mechanism includes locking knob and is molded over
The threaded block being adapted to the locking knob on the ball-joint support, the locking knob under external force along perpendicular to
The axial reciprocating of the accommodating space is mobile.The design of the structure of locking knob and the threaded block being adapted to locking knob, not only just
In applying external force to slide construction, slide construction is pushed to move up or move down along the axial direction of accommodating space, moreover it is possible on slide construction
Play the role of fixed support after lower movement, slide construction is limited to current position, in order to avoid globe joint structure, support construction
And slide construction move up under gravity after continue to move down, to enhance the knot of ankle joint rehabilitation training device
Structure stability.
6. further including for limiting the globe joint structure edge in ankle joint rehabilitation training device provided by the utility model
The position limiting structure of horizontal plane rotation, the position-limit mechanism are arranged on the globe joint structure and ball-joint support.The limit
Structure include be molded on the globe joint structure through wire casing, be mounted on the stop plunger through in wire casing and be molded over institute
State on ball-joint support, with described through the corresponding through-hole of wire casing.Need to only carry out ankle dorsal flexion/plantar flexion or turning up in patient/interior
When the rehabilitation training turned over, stop plunger can be mounted on by through-hole through carrying out list certainly to limit globe joint structure in wire casing
It is moved by degree, avoiding is influenced by the movement of other freedom degrees, is only needed when patient needs to carry out the rehabilitation training of outward turning/inward turning
Stop plunger is removed, to enhance flexibility when ankle joint rehabilitation training device uses.
7. further including being arranged on the foot pedal to be used in ankle joint rehabilitation training device provided by the utility model
Detect the angular transducer of the movement angle of the globe joint structure.Angular transducer be used to detect dorsiflex/plantar flexion, turn up/it is interior
Turn over outward turning/inward turning three degree of freedom movement angle, to increase the diversity of ankle joint rehabilitation training device function.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic perspective view of ankle joint rehabilitation training device provided by the utility model;
Fig. 2 is the explosive view of ankle joint rehabilitation training device shown in FIG. 1;
Fig. 3 is the cross-sectional view of latch segment shown in Fig. 1-2;
Fig. 4 is the partial sectional view of globe joint structure shown in Fig. 1-2;
Fig. 5 is the main view of globe joint structure shown in Fig. 1-2;
Fig. 6 is the distribution schematic diagram of angular transducer shown in FIG. 1 on the footrests;
Fig. 7 is that the patient of the ankle joint rehabilitation training device preferred embodiment of the utility model uses schematic diagram;
Fig. 8 is that the patient of the ankle joint rehabilitation training device alternative embodiments of the utility model uses schematic diagram;
Description of symbols:
01- foot pedal;02- connector;03- globe joint structure;The first drag ring of 04-;05- locating part;06- ball-joint branch
Seat;07- pedestal;08- stop plunger;The second drag ring of 09-;10- the second sliding shoe;11- latch segment;The first sliding shoe of 12-;
13- locking knob;14- angular transducer;15- threaded block;16- shoes support
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
It as shown in figs. 1-7, is a kind of specific embodiment of ankle joint rehabilitation training device involved in the utility model,
It include: foot pedal 01;Globe joint structure 03 is fixed on the lower surface of the foot pedal 01;Ball-joint support 06 has for holding
Receive the accommodating space of the globe joint structure 03, the globe joint structure 03 is placed in the accommodating space, and the ball-joint
The centre of sphere of structure 03 is arranged not higher than the highest point of the accommodating space, so that the globe joint structure 03 is under external force
It is freely rotated in the accommodating space.The ankle joint rehabilitation training device can be realized dorsiflex/plantar flexion, turn up/varus and
The complete free rehabilitation training of outward turning/inward turning three degree of freedom, can satisfy the various demands of patient, and its structure it is simple,
Small in size, low cost, the raw material that use are few and easy to process when industrially manufacturing.
In this embodiment, the section of the foot pedal 01 is circle.Further, on the foot pedal 01 also removably
It is provided with shoes support 16.Further, the quantity of the shoes support 16 is one.
In the present embodiment, the globe joint structure 03 includes an orbicule and designs with the spherical body by integral forming
Column, column is molded over the surface of orbicule, convenient for the connection with foot pedal 01.Further, the column
For cylinder.
In the present embodiment, the accommodating space is cylindrical accommodating space.Further, the cylindrical accommodating space
Area of section it is identical as the maximum cross-section area of the orbicule so that globe joint structure 03 can in accommodating space from
By rotating, while accommodating space will not be skidded off.
It in the present embodiment, further include a support construction, the support construction is set on the globe joint structure 03, is used
It is limited in the accommodating space in the globe joint structure 03 suspends.Further, the support construction includes covering respectively
First drag ring 04 on 03 top of globe joint structure, the second friction bad 09 of lower part and setting is located to rub described first
Wipe the locating part 05 on ring 04 for being limited to the activity of the globe joint structure 03 in the accommodating space.Further,
The locating part 05 is annular, and the inner circle area of the annular is less than the area of the outer circle of first drag ring 04, so that
Locating part 05 is compressed on the top of the first drag ring 04 always, prevents globe joint structure 03 from skidding off accommodating space.Further, institute
The first drag ring 04, the second drag ring 09 are stated as circular ring shape, the globe joint structure 03 rubs with first drag ring 04, second
Wiping ring 09 is sphere-contact.Further, the area of the top inner circle of second friction bad 09 is greater than the area of bottom end inner circle,
It is i.e. internal to form a up big and down small taper type through-hole.Further, the globe joint structure 03 rubs by described second
Bad 09 limit is suspended in the accommodating space.Further, by increaseing or decreasing first drag ring 04, second rubbing
The pressure of 09 pair of globe joint structure 03 is spoilt to adjust the friction of the first drag ring 04, second bad 09 and the ball-joint
Frictional force between structure 03, and then to realize the different degrees of impedance training of patient.
It in this embodiment further include a slide construction, the slide construction is arranged in the lower section of the support construction, is used for
The support construction is pushed to move up or move down along the axial direction of the accommodating space under external force.Further, the sliding
Structure includes the latch segment 11 that upper and lower surfaces are spherical surface, and sets up the upper surface in the latch segment 11 and following table separately
First sliding shoe 12 and the second sliding shoe 10 in face, first sliding shoe 12 and the second sliding shoe 10 and the corresponding locking
The upper and lower surfaces of block 11 are spherical surface sliding contact, and external force makes it along perpendicular to described on the latch segment 11
The axial reciprocating of accommodating space is mobile, makes the up/down spherical of the latch segment 11 respectively along 12 He of the first sliding shoe
The spherical of the second sliding shoe 10 slides, and the axis of such first sliding shoe 12 and the second sliding shoe 10 can deviate from or close to lock
The axis of tight block 11, so that the whole height for the slide construction that the first sliding shoe 12, latch segment 11 and the second sliding shoe 10 are formed
It increases or reduces, that is, realizes first sliding shoe 12 and move up or move down along the axial direction of the accommodating space, it is corresponding described
The pressure increase or reduction that first sliding shoe 12 applies second friction bad 09 so that second friction bad 09 to
It moves up or to moving down, has increasedd or decreased the globe joint structure 03 and first drag ring 04 and second friction bad 09
Between pressure, and then increase rubbing between globe joint structure 03 and first drag ring 04 and second friction bad 09
Power is wiped, and then patient realizes different degrees of rehabilitation training by the size of regulating friction force.
It in this embodiment further include a locking mechanism, the side wall that the locking mechanism passes through the ball-joint support 06 abuts
On the latch segment 11.Further, the locking mechanism includes locking knob 13 and is molded over the ball-joint support
The threaded block 15 being adapted to the locking knob 13 on 06, threaded block 15 is arranged close to the lower section of ball-joint support 06, described
Locking knob 13 is moved along the axial reciprocating perpendicular to the accommodating space under external force.Further, the locking rotating
External screw thread is provided on button 13, the threaded block 15 is equipped with the internal screw thread being adapted to the external screw thread.Such structure design, no
Only facilitate and external force applied to the slide construction, the slide construction is pushed to move up or move down along the axial direction of the accommodating space,
It can also play the role of fixed support after the slide construction moves up and down, in order to avoid the globe joint structure 03, support construction
And slide construction move up and down under gravity after continue to move down.
It in the present embodiment further include the position limiting structure rotated along the horizontal plane for limiting the globe joint structure 03, it is described
Position limiting structure is arranged on the globe joint structure 03 and ball-joint support 06.Further, the position limiting structure includes molding
On the globe joint structure 03 through wire casing, be mounted on the stop plunger 08 through in wire casing and be molded over the ball-joint
Through the corresponding through-hole of wire casing on support 06, with described.Further, the insertion of stop plunger 08 is arranged through one end in wire casing
There is telescopic rod.Further, the stop plunger 08 is removably mounted on described through in wire casing by telescopic rod.Suffering from
Person need to only carry out ankle dorsal flexion/plantar flexion or turning up/rehabilitation training of varus when, can be by the telescopic rod of the stop plunger 08
It is mounted on by the through-hole described through carrying out corresponding ankle-joint back by adjusting the direction of the shoes support 16 in wire casing
/ the rehabilitation training of varus is bent/plantar flexion or turns up, it only need to be by the limit when patient needs to carry out the rehabilitation training of outward turning/inward turning
Position plunger 08 removes.
It in the present embodiment, further include the fortune for being used to detect the globe joint structure 03 being arranged on the foot pedal 01
The angular transducer 14 of dynamic angle.Further, the angular transducer 14 is arranged on the lower end surface of the foot pedal 01.Into
One step, the quantity of the angular transducer 14 is 3, is evenly distributed on the periphery of 01 lower end surface of foot pedal.The angle passes
Sensor is used to detect that dorsiflex/plantar flexion, turn up/varus and outward turning/inward turning three degree of freedom movement angle.
It in the present embodiment, further include pedestal 07, the pedestal 07 is fixedly connected with the bottom of the ball-joint support 06
Together, the pedestal 07 is used to support entire ankle joint rehabilitation training device, in case ankle joint rehabilitation training device is in patient
The run-off the straight due to unbalance under external force, the ankle-joint of injured patient.
As a kind of alternative embodiment, the foot pedal 01 and the globe joint structure 03 can also pass through connector
02 links together, so that connection is stronger.
As a kind of alternative embodiment, the accommodating space can also be square column space, the square column
The cross section in space is square, and the side length of the square is not less than the maximum cross-section diameter of a circle of the orbicule.
As a kind of alternative embodiment, the area of section of the cylinder accommodating space can also be greater than described spherical
The maximum cross-section area of body.
As a kind of alternative embodiment, the ball-joint support 06 can also be support Design, and the bracket is by setting
It sets the ring support held on the bracket and is formed perpendicular to three vertical support frames of ring support setting.
As a kind of alternative embodiment, the bottom surface of the ball-joint support 06 can also be arranged in the locking mechanism
On, the slide construction is latch segment, and the upper and lower of the latch segment is planar design, and the locking mechanism applies the latch segment
Add upward external force, the latch segment is enable to move up and down along the axis of the accommodating space.
As a kind of alternative embodiment, the column of the globe joint structure 03 can also be square column body.
As a kind of alternative embodiment, the quantity of the shoes support 16 can also be two.
As a kind of alternative embodiment, the shoes support 16 can also unremovably be fixed at the foot pedal
On 01.
As alternative embodiment, the section of the foot pedal 01 can also be rectangular, rectangle or other shapes.
As alternative embodiment, the quantity of the angular transducer 14 can also for one, two or more.
The course of work of the ankle joint rehabilitation training device are as follows:
(1) as shown in figure 8, driving the movement of illness side ankle-joint by the movement of patient health side ankle-joint: existing first
Two shoes supports 16 are installed, the foot of oneself is fixed on inside the shoes support 16 by patient on the foot pedal 01;Then lead to
It crosses and rotates the locking knob 13 to adjust kinetic damping, to be suitble to the rehabilitation degree of patient;Then patient utilizes the strong of oneself
The movement of health side ankle-joint drives illness side ankle-joint to carry out rehabilitation training.
(2) as shown in fig. 7, only realizing the movement of ankle-joint by the movement of the illness side ankle-joint of patient: first in institute
One shoes support 16 of installation, patient on foot pedal 01 is stated the foot of oneself is fixed on inside the shoes support 16, is then passed through
The locking knob 13 is rotated to adjust kinetic damping, to be suitble to the rehabilitation degree of patient;Then patient is closed by illness side ankle
The rehabilitation training of ankle-joint is realized in the movement of section.
When patient needs to carry out dorsiflex/plantar flexion of ankle-joint or to turn up/rehabilitation training of varus when, can be by the limit
The telescopic rod of plunger 08 is mounted on described through carrying out phase by adjusting the direction of the shoes support 16 in wire casing by the through-hole
It ankle dorsal flexion/plantar flexion for answering or turns up the/rehabilitation training of varus.
The ankle joint rehabilitation training device is suitable for drawing because of nervous centralis, peripheral nerve, spinal cord, muscle or skeletal diseases
The patient of the upper limb disorder or function limitation that rise, can allow the different rehabilitation stage, different symptoms, different building shape trouble
Person carries out rehabilitation training of upper limbs.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.