CN217409232U - Clutch structure of active type double upper limb coordination rehabilitation device - Google Patents

Abstract

The utility model discloses an active two upper limbs coordinate separation and reunion structures of recovered ware, characterized by: the clutch structure comprises a clutch component and a synchronous wheel set; two groups of synchronous wheel assemblies are arranged in the synchronous wheel set; the clutch component comprises a swing arm group, a knob and a linkage rod; the swing arm group is provided with two swing arms for mounting two groups of synchronous wheel assemblies in the same group of synchronous wheel groups; the knob is connected with the swing arm group through the linkage rod, and after the knob rotates, the linkage rod drives the swing arm to swing so as to drive two synchronous gears on the same swing arm group to be meshed or separated. Through the utility model discloses, can switch the passive rehabilitation function of owner of recovered ware and use to in reduce the volume of recovered ware, the patient of being convenient for uses at home.

Description

Clutch structure of active type double upper limb coordination rehabilitation device

Technical Field

The utility model relates to a medical treatment rehabilitation apparatus field especially relates to an active double upper limbs coordinate separation and reunion structure of recovered ware.

Background

The existing rehabilitative apparatus mainly focuses on active and passive rehabilitation of an affected side, the passive rehabilitation is mainly in a CPM mode, and the active rehabilitation mainly applies resistance or damping by a machine or a motor.

At present, passive rehabilitation and active rehabilitation have defects in the using process: the CPM mode of passive rehabilitation is single, has no flexibility or has weak participation, and the possibility of secondary injury is caused because the CPM mode is generally driven by a motor to move; the active rehabilitation is also the single rehabilitation training of the affected side generally, and the whole participation and task authenticity of the affected side are not high. Secondly, most of the existing rehabilitation devices adopt a motor as driving power, and have the problems of complex structure, large volume and high cost, so that the existing rehabilitation devices are difficult to popularize.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a separation and reunion structure of active two upper limbs coordination rehabilitation ware can switch the use with the active passive recovered function of rehabilitation ware to reduce the volume of rehabilitation ware, the patient of being convenient for uses at home.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a clutch structure of an active type double upper limb coordination rehabilitation device is characterized in that: the clutch assembly and the synchronous wheel set are included;

two groups of synchronous wheel assemblies are arranged in the synchronous wheel set;

the clutch component comprises a swing arm group, a knob and a linkage rod;

the swing arm group is provided with two swing arms for mounting two groups of synchronous wheel assemblies in the same group of synchronous wheel groups;

the knob is connected with the swing arm group through the linkage rod, and after the knob rotates, the linkage rod drives the swing arm to swing so as to drive two synchronous gears on the same swing arm group to be meshed or separated.

Preferably, the synchronous wheel set and the swing arm set are both provided with two sets and are respectively positioned on two sides of the knob.

Preferably, the synchronizing wheel assembly comprises a synchronizing gear rotatably connected to the swing arm and a synchronizing wheel fixedly connected with the synchronizing gear.

Preferably, the swing ends of the two swing arms in the same swing arm group are arranged opposite to each other, and sector gears meshed with each other are arranged on the swing ends of the swing arms.

Preferably, an angle sensor is arranged on the swing arm, and an induction end of the angle sensor corresponds to the synchronous gear.

Preferably, a tension spring for pulling the two groups of swing arm sets to swing oppositely is arranged between the two groups of swing arm sets.

Preferably, the head of the knob is provided with a rotation angle indicating line.

The utility model has the advantages that:

1. when the utility model is installed in a rehabilitation device for use, two groups of swing arm mechanisms in the rehabilitation device are connected with two groups of synchronous wheel assemblies in the synchronous wheel assemblies through synchronous belts, and the two groups of synchronous wheel assemblies can realize the meshing and separating functions through clutch assemblies, so that the corresponding rehabilitation device can realize the two-dimensional plane independent motion and the mirror image coupling motion of the swing arm mechanisms at the left side and the right side, and a patient can realize the passive rehabilitation of an affected side by utilizing the mode that the affected side drives the affected side in the mirror image mode; the limbs on both sides of the patient can move independently respectively, so as to realize more flexible and interesting rehabilitation tasks.

2. The utility model discloses when the mirror image is recovered passively, drive through strong side and suffer from the side action, saved driving motor's setting, make the utility model discloses small and exquisite light is convenient for shift, fix on arbitrary desktop plane, and the family of being convenient for makes things convenient for patient's rehabilitation training at home.

Drawings

Fig. 1 is a schematic view of a rehabilitation device for cooperating two upper limbs provided in this embodiment;

FIG. 2 is a schematic diagram of a clutch structure provided in the present embodiment;

FIG. 3 is a schematic diagram of the clutch structure provided in the present embodiment connected to the actuator arm through a timing belt;

FIG. 4 is a schematic view of a synchronizing wheel assembly provided in the present embodiment;

FIG. 5 is a front view of the clutch mechanism of the present embodiment connected to the actuator arm through a timing belt;

fig. 6 is a sectional view of the drive wheel assembly provided in the present embodiment.

Detailed Description

The clutch structure of the active type double upper limb coordination rehabilitation device of the present invention is further explained with reference to fig. 1 to 6.

An active type double upper limb coordination rehabilitation device is characterized in that: comprises a positioning plate 2, a movable arm mechanism 4 and a clutch structure 3. The movable arm mechanisms 4 are provided with two groups and each group comprises a movable arm assembly 41 and a transmission wheel assembly 42, and the two groups of movable arm mechanisms 4 are respectively arranged on the two ends of the positioning plate 2 through the respective transmission wheel assemblies 42. The clutch structure 3 includes a clutch component 31 and a synchronous wheel set 32, two sets of synchronous wheel components 321 are provided in the synchronous wheel set 32, the two sets of synchronous wheel components 321 are respectively connected with the two sets of transmission wheel components 42 through synchronous belts 6, the clutch component 31 is disposed between the positioning plate 2 and the synchronous wheel set 32 to drive the two sets of synchronous wheel components 321 in the same synchronous wheel set 32 to separate or mesh. When the two sets of synchronizing wheel assemblies 321 are disengaged, the two sets of actuators 4 act independently, and when the two sets of synchronizing wheel assemblies 321 are engaged, the two sets of actuators 4 act in mirror image.

Specifically, the movable arm assembly 41 includes a four-bar linkage structure formed by a first link 411, a second link 412, a third link 413 and a fourth link 414, and a handle 415 mounted on the fourth link 414 for a user to hold. The synchronous wheel sets 32 have two groups, and the two groups of synchronous wheel sets 32 are respectively connected with the first connecting rod 411 and the second connecting rod 412 in the two groups of four-bar structures synchronously. Namely, two synchronous wheel assemblies 321 in one group of synchronous wheel sets 32 are linked with the first connecting rods 411 in the two four-bar linkage structures through the synchronous belts 6 respectively, and two synchronous wheel assemblies 321 in the other group of synchronous wheel sets 32 are linked with the second connecting rods 412 in the two four-bar linkage structures through the synchronous belts 6 respectively. Therefore, when the two synchronizing wheel assemblies 321 in the synchronizing wheel set 32 are in a meshed state, in the two-set four-bar linkage structure, the two first links 411 can be synchronously operated, and the two second links 412 can be synchronously operated, so as to achieve the mirror image action of the two sets of actuators 4.

The driving wheel assembly 42 comprises a fixed shaft sleeve 421 fixed on the positioning plate 2 through a bolt, a middle shaft sleeve 422 capable of rotating and sleeved in the fixed shaft sleeve 421 through axial limiting and circumferential limiting of a bearing, a rotating shaft 425 capable of rotating and sleeved in the middle shaft sleeve 422 through axial limiting and circumferential limiting of the bearing, a shaft sleeve belt wheel 423 fixed on the middle shaft sleeve 422 in a circumferential limiting mode and used for connecting the synchronous belt 6, and a shaft belt wheel 424 fixed on the rotating shaft 425 in a circumferential limiting mode and used for connecting the synchronous belt 6. The upper end of the rotating shaft 425 is fixed to the first connecting rod 411 through a bolt, and the upper end of the middle shaft sleeve 422 is fixed to the second connecting rod 412 through a bolt. Furthermore, one end of the second link 412, which is away from the first link 411, is pivotally connected to an end of the third link 413, one end of the third link 413, which is away from the second link 412, is pivotally connected to a middle portion of the fourth link 414, the fourth link 414 is extended, and one end of the fourth link 414, which is away from the handle 415, is pivotally connected to one end of the first link 411, which is away from the rotating shaft 425, so that the first link 411, the second link 412, the third link 413, and the fourth link 414 form a four-link structure. The actuator 4 having a four-bar linkage structure can perform various motions such as rotation, front-back, left-right, etc. of the handle 415 to satisfy various rehabilitation needs of the user.

The timing wheel assembly 321 includes a timing gear 3211 rotatably connected to the clutch assembly 31 via a bearing 3214, and a timing wheel 3212 connected to the timing gear 3211 and rotating synchronously and connected to a timing belt 6. That is, the synchronizing gear 3211 has a connecting shaft 3213 coaxial with the synchronizing gear 3211, and the synchronizing gear 3212 and the bearing 3214 are fixed to the connecting shaft 3213.

To facilitate the arrangement of the timing belt, the timing wheel assemblies 321 in the two sets of timing wheels 32 are arranged in opposite directions. That is, in the synchronizing wheel assembly 321 in one of the synchronizing wheel sets 32, the synchronizing wheel 3212 is located above the synchronizing gear 3211, and in the synchronizing wheel assembly in the other synchronizing wheel set, the synchronizing wheel is located below the synchronizing gear.

The clutch assembly 31 includes a swing arm set 312, a knob 311 and a linkage 313. The swing arm set 312 has two sets for assembling two sets of synchronous wheel sets 32, and each set of swing arm set 312 has two swing arms 3121 for installing two synchronous gears 3211 in the same set of synchronous wheel sets 32 through a bearing 3214. Namely, four sets of synchronizing wheel assemblies 321 in the two sets of synchronizing wheel assemblies 32 are respectively mounted on the four swing arms 3121 of the two sets of swing arm assemblies 312. One end of the swing arm 3121 is connected to the lower surface of the positioning plate 2 through the adjusting shaft 33, the other end can swing to form a swing end, and the ends of the swing arms 3121 of the two swing arms 3121 in the same swing arm group 312 are arranged in opposite directions. The knob 311 is rotatably mounted on the positioning plate 2 and located between the two sets of swing arm sets 312, and the knob 311 is connected to the swing arm sets 312 through a linkage 313. When the knob 311 rotates, the linkage 313 drives the swing arms 3121 of the two swing arm sets 312 to swing, so as to drive the two synchronizing gears 3211 of the same swing arm set 312 to engage or disengage. Specifically, the knob 311 is provided with a knob plate 3111, and two ends of the linkage 313 are respectively connected to the knob plate 3111 and the swing arm 3121 through a connecting pin or a connecting nail, so as to push or pull the swing arm 3121 to swing. Further, the swing arm 3121 is provided with a linkage groove into which the end of the linkage rod extends, and a connection hole into which a connection pin of the linkage rod is inserted is provided in the linkage groove, thereby realizing connection.

The oscillating ends of the two oscillating arms 3121 in the same oscillating arm group 312 are provided with sector gears 31212 that can mesh with each other. The sector gear 31212 can realize synchronous rotation of the two swing arms 3121 in the same swing arm group 312, so that the number of linkage bars can be reduced. That is, only two linkage levers need to be provided, one is connected to the knob tray 3111 and one of the swing arms 3121 in one of the swing arm sets 312, and the other linkage lever is connected to the knob tray 3111 and one of the swing arms 3121 in the other swing arm set 312, so that after the knob 311 is rotated, the two swing arm sets 312 can be driven to synchronously swing.

An angle sensor 5 is arranged on the oscillating arm 3121, and a sensing end of the angle sensor 5 corresponds to the synchronous gear 3211. Through angle sensor 5, can real-time induction synchromesh 3211's turned angle to calculate the plane position of two side handles 415 in real time, through wireless transmitter, can send position signal to computer, intelligent TV end, the recovered recreation that the drive corresponds realizes the virtual visualization, recreation and the datamation of recovered process.

A tension spring 34 is provided between the two sets of swing arms 312 to pull the two sets of swing arms to swing oppositely, so as to pull the two sets of synchronizing wheel assemblies 321 in the same synchronizing wheel set 32 to a meshed state.

The head of the knob 311 is provided with a rotation angle indicating line 3113. By means of the indicator line, the user can know whether the clutch mechanism 3 is in the engaged state.

The rehabilitation device also comprises a workbench 1, wherein the bottom surface of the workbench 1 is provided with supporting legs 11, and the table top of the workbench 1 is provided with a mounting hole. The positioning plate 2 is fixed on the workbench 1 through bolts, and the clutch structure 3 and the transmission wheel assembly 42 extend to the lower side of the workbench 1 through the mounting opening.

When the device is used specifically, the two-dimensional plane independent motion and mirror image coupling motion of the movable arm mechanisms 4 on the left side and the right side are realized through the clutch structure 3 and the synchronous belt 6, and a patient can realize passive rehabilitation of the affected side by utilizing a mode that the healthy side drives the affected side in a mirror image mode; the limbs on both sides of the patient can move independently respectively, so as to realize more flexible and interesting rehabilitation tasks.

Specifically, when two sets of movable arm mechanisms 4 need mirror image action, the knob 311 drives the two synchronizing gears 3211 in each set of synchronizing wheel set 32 to mesh, so that the two synchronizing gears 3211 in the same set of synchronizing wheel set 32 can rotate synchronously, the first connecting rods 411 in the two sets of movable arm mechanisms 4 are connected through the two sets of synchronizing wheel sets 321 in one set of synchronizing wheel set 32, and the second connecting rods 412 are connected through the two sets of synchronizing wheel sets 321 in the other set of synchronizing wheel set 32, therefore, after the two synchronizing gears 3211 in each set of synchronizing wheel set 32 mesh, the two first connecting rods 411 in the two sets of movable arm mechanisms 4 can be driven to rotate synchronously, and the two second connecting rods 412 can rotate synchronously, so as to achieve the function of mirror image action; when the two sets of movable arm mechanisms 4 need to independently act, the knob 311 is rotated, and the knob 311 pushes the swing arms 3121 of the two sets of swing arm groups 312 to swing outwards through the knob tray 3111 and the linkage rod, so that the two synchronizing gears 3211 of each set of synchronizing wheels 32 are separated, and thus the independent action of the movable arm mechanisms 4 can be realized. The multifunctional table has the advantages of convenience in operation, small and light structure, convenience in transferring and fixing on any table top plane, convenience in family and convenience in home rehabilitation training of patients.

Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly in the present disclosure and encompass, for example, either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A clutch structure of an active type double upper limb coordination rehabilitation device is characterized in that: the clutch assembly and the synchronous wheel set are included;

two groups of synchronous wheel assemblies are arranged in the synchronous wheel set;

the clutch component comprises a swing arm group, a knob and a linkage rod;

the swing arm group is provided with two swing arms for mounting two groups of synchronous wheel assemblies in the same group of synchronous wheel groups;

the knob is connected with the swing arm group through the linkage rod, and after the knob rotates, the linkage rod drives the swing arm to swing so as to drive two synchronous gears on the same swing arm group to be meshed or separated.

2. The active double upper limb coordination rehabilitation device clutch structure according to claim 1, characterized in that: the synchronous wheel set and the swing arm set are both provided with two sets and are respectively positioned on two sides of the knob.

3. The active type double upper limb coordination rehabilitation device clutch structure according to claim 2, characterized in that: the synchronizing wheel subassembly includes that the rotary type is connected in synchronizing gear on the swing arm and with synchronizing gear fixed connection's synchronizing wheel.

4. The active double upper limb coordination rehabilitation device clutch structure according to claim 3, characterized in that: the swing ends of the two swing arms in the same swing arm group are oppositely arranged, and sector gears which are meshed with each other are arranged on the swing ends of the swing arms.

5. The active double upper limb coordination rehabilitation device clutch structure according to claim 4, characterized in that: an angle sensor is arranged on the swing arm, and an induction end of the angle sensor corresponds to the synchronous gear.

6. The active double upper limb coordination rehabilitation device clutch structure according to claim 5, characterized in that: a tension spring for pulling the two groups of swing arm groups to swing oppositely is arranged between the two groups of swing arm groups.

7. The active double upper limb coordination rehabilitation device clutch structure according to claim 6, characterized in that: the head of the knob is provided with a rotation angle indicating line.

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