CN217162564U

CN217162564U - Wrist joint training device

Info

Publication number: CN217162564U
Application number: CN202122018495.9U
Authority: CN
Inventors: 田野
Original assignee: Hebei Daai Intelligent Technology Co ltd
Current assignee: Hebei Daai Intelligent Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-08-12
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a wrist joint training ware, this wrist joint training ware is through adopting the base, and the forearm mount of the fixed subassembly of forearm is connected in the base, and the forearm mount is located to the forearm fixed band, is fixed in the forearm mount with patient's forearm, and the linking bridge connection of the fixed subassembly of palm portion is in the base, and palm portion fixed plate rotates to be connected in linking bridge, and palm portion fixed plate is located to palm portion fixed band, is fixed in palm portion fixed plate with patient's palm portion. The wrist joint training ware in this application can be fine adaptation palm's position change, can not cause the oppression to palm position promptly, also can be fine laminate mutually with the palm, so great degree has alleviated the uncomfortable sense of patient when carrying out rehabilitation training, improves wrist joint rehabilitation training's effect.

Description

Wrist joint training device

Technical Field

The utility model relates to a rehabilitation apparatus technical field, in particular to wrist joint training ware.

Background

At present, the wrist joint needs to be fixed to limit the movement of the wrist joint due to trauma or after operation, so as to facilitate the rapid repair of soft tissues. Various contractures and adhesions can occur in the process of repair, so that after the wrist joint fixing device is removed, patients can suffer from wrist joint dysfunction in different degrees, and the wrist joint dysfunction is very common clinically. The daily life of the patient is greatly affected by the dysfunction of the wrist joint, particularly the flexion and extension dysfunction of the wrist joint, so that the rehabilitation training of the wrist joint of the patient is a necessary and important thing.

Among the correlation technique, the training needs that the training apparatus for carrying out wrist joint carries out the rehabilitation training can not be fine adaptation patient, and when rehabilitation apparatus pulled wrist joint luffing motion, patient's palm part can be along with the swing slightly protrusion forward or shrink backward, because current bracket is fixed setting usually, consequently can oppress the palm when carrying out the traction training or can not be fine laminating in the palm to influence recovered effect.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a wrist joint training device, aiming at improving the rehabilitation effect of the wrist joint.

In order to achieve the above object, the utility model provides a wrist joint training ware, include:

a base;

the forearm fixing component comprises a forearm fixing frame and a forearm fixing belt arranged on the forearm fixing frame, and the forearm fixing frame is connected to the base; and

the fixed subassembly of palm portion, the fixed subassembly of palm portion includes palm portion fixed plate, linking bridge and palm portion fixed band, the linking bridge connect in the base, and can for the base rotates, palm portion fixed plate rotate connect in linking bridge, palm portion fixed band is located palm portion fixed plate.

Optionally, two opposite sides of the palm fixing plate are convexly provided with a connecting protrusion, two opposite sides of the connecting bracket are provided with first connecting holes, and the connecting protrusion is sleeved in one of the first connecting holes.

Optionally, the first connection hole extends along a length direction of the connection bracket.

Optionally, the connecting bracket includes a bracket body and a tilting tail connected to the bracket body, the bracket body is rotatably connected to the base and is provided with the first connecting hole, and the forearm fixing frame is slidably connected to the base and is connected to the tilting tail;

the support body rotates relative to the base, and the tilting tail drives the forearm fixing frame to slide relative to the base.

Optionally, the forearm fixing frame includes a forearm frame body and a sliding seat, the sliding seat is slidably connected to the base, the forearm frame body is rotatably connected to the sliding seat and is provided with a second connecting hole, the tilting tail is provided with a mounting hole, and a connecting piece is inserted through the mounting hole and the second connecting hole to connect the tilting tail and the forearm frame body;

the tail raising drives the front arm frame body to rotate relative to the sliding seat and drives the sliding seat to slide relative to the base.

Optionally, the palm fixing component further comprises an angle measuring piece, and the angle measuring piece is arranged on the palm fixing plate and used for measuring the rotation angle between the palm fixing plate and the support body.

Optionally, the angle measuring piece includes calibrated scale and pointer, the calibrated scale connect in connect the arch, the pointer is seted up and is run through its relative two surfaces hole of stepping down, connect protruding rotatable the wearing to locate hole of stepping down.

Optionally, the wrist joint training device further comprises a driving assembly, the driving assembly is arranged on the base and is in transmission connection with the connecting support, and the driving assembly drives the connecting support to rotate relative to the base.

Optionally, the driving assembly includes a transmission worm, a transmission worm wheel and a transmission shaft, the transmission shaft is connected to the connecting bracket, the transmission worm wheel is sleeved on the transmission shaft, and the transmission worm is engaged with the transmission worm wheel.

Optionally, the driving assembly further includes an adjusting knob, and the adjusting knob is sleeved on an end of the transmission worm.

The utility model discloses technical scheme is through adopting the base, and the forearm mount of the fixed subassembly of forearm is connected in the base, and the forearm mount is located to the forearm fixed band, is fixed in the forearm mount with patient's forearm, and the linking bridge connection of the fixed subassembly of palm portion is in the base, and palm portion fixed plate rotates to be connected in linking bridge, and palm portion fixed plate is located to palm portion fixed band, is fixed in palm portion fixed plate with patient's palm portion. In this application, linking bridge rotates for the forearm mount, and then pulls patient's wrist joint and carries out the rehabilitation training, at this in-process, because palm portion fixed plate suspends in linking bridge, and can rotate for linking bridge under the effect of external force, therefore when patient's palm upwards perhaps bows down, the position change of adaptation palm portion fixed plate that can be fine, can not cause the oppression to palm center position promptly, also can be fine laminate mutually with the palm, the uncomfortable sense of patient when carrying out the rehabilitation training has been alleviated to so great degree, improve wrist joint rehabilitation training's effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of the wrist joint training device of the present invention;

FIG. 2 is an exploded view of the wrist trainer of FIG. 1;

FIG. 3 is a schematic diagram of a portion of the wrist trainer of FIG. 1;

FIG. 4 is an exploded view of the wrist trainer of FIG. 4;

fig. 5 is a schematic view of the wrist training device shown in fig. 1 in practical use.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a wrist training device 100.

Specifically, in the embodiment of the present invention, the wrist training device 100 includes a base 10, the base 10 can be integrally formed by machining metal or injection molding plastic material, and the base 10 is used for installing and fixing various components of the wrist training device 100.

The forearm fixing component 20 comprises a forearm fixing frame 21 and a forearm fixing strap 22 arranged on the forearm fixing frame 21, the whole forearm fixing frame 21 is arranged in a circular arc shape and is adaptive to the radian of the forearm of a human body, the forearm of a patient is rotatably placed on the forearm fixing frame 21, and the forearm fixing strap 22 fixes the forearm on the forearm fixing frame 21.

The palm fixing component 30 comprises a palm fixing plate 31, a connecting support 32 and a palm fixing belt 33, wherein the connecting support 32 is connected to the base 10 and can rotate relative to the base 10 under the action of external force, a switch of the palm fixing plate 31 is matched with the shape of a palm, the middle of the palm fixing plate 31 is rotatably connected to the connecting support 32, and the palm fixing belt 33 is arranged on the palm fixing plate 31 and used for limiting the palm of a patient on the palm fixing plate 31.

In this application, linking bridge 32 rotates for forearm mount 21, and then pull patient's wrist and carry out rehabilitation training, in this process, because palm portion fixed plate 31 suspends in linking bridge 32, and can rotate for linking bridge 32 under the effect of external force, therefore when patient's palm upwards perhaps downwarping, the position change of adaptation palm portion fixed plate 31 palm that can be fine, can not cause the oppression to palm center position promptly, also can be fine laminate mutually with the palm, the uncomfortable sense of patient when carrying out rehabilitation training has been alleviated to so great degree, improve wrist rehabilitation training's effect.

Referring to fig. 3 and 4, in an embodiment of the present invention, the two opposite sides of the palm fixing plate 31 are protruded to form a connecting protrusion 311, the two opposite sides of the connecting bracket 32 are opened with a first connecting hole 32a, and the connecting protrusion 311 is sleeved in the first connecting hole 32 a.

Particularly, linking bridge 32 is including two support bodies 321 of relative setting in this application, support body 321 is formed through processes such as die-cut, buckle by metal sheet metal material, the through-hole has been seted up on support body 321, transmission shaft 43 wears to locate two through-holes, connect two support bodies 321, and two support bodies 321 are relative setting, the relative both sides shaping of palm portion fixed plate 31 has two connection protrusion 311, the diameter of connection protrusion 311 is slightly less than the diameter of first connecting hole 32a, and distance between them slightly is greater than the distance between two support bodies 321, a connection protrusion 311 overlaps in locating a first connecting hole 32a, make two support bodies 321 cooperation centre gripping palm portion fixed plate 31, and palm portion fixed plate 31 can rotate for support body 321 under the effect of external force. Pass through in the first connecting hole 32a through the connecting protrusion 311 and rotate palm portion fixed plate 31 and linking bridge 32 and connect in this application, simple structure to the dismouting of being convenient for.

Further, because the shape of different patients is different, the length of forearm and wrist is different promptly, consequently for making wrist joint training ware 100 can have better compatibility, in an embodiment of this application, first connecting hole 32a extends the setting along the length direction of linking bridge 32, first connecting hole 32a is waist shape hole promptly, so connect protruding 311 can slide in first connecting hole 32a, and then change the distance between palm portion fixed plate 31 and forearm mount 21, make the different crowd's of adaptation needs that distance between the two can be fine, and then improve wrist joint training ware 100's comfort performance.

It can be understood that when the wrist is twisted, the forearm is also extended forward or retracted backward along with the palm bending upward or downward, and in this application, the forearm is fixed to the forearm fixing frame 21 by the forearm fixing band 22, so as to avoid discomfort caused by friction between the forearm fixing band 22, the forearm fixing frame 21 and the forearm, in an embodiment of the present invention, the palm fixing plate 31 rotates up and down relative to the base 10, and the forearm fixing frame 21 can slide forward or backward relative to the base 10.

Specifically, the forearm fixing frame 21 includes a forearm support body 211, a sliding seat 212 and a sliding rail 213, the sliding rail 213 is fixedly connected to the base 10 and extends toward one side of the palm fixing plate 31, a sliding hole is formed in the sliding seat 212, the sliding rail 213 penetrates through the sliding hole, the sliding seat 212 is slidably connected to the sliding rail 213, a second shaft hole 212a is formed in one side of the sliding seat 212 departing from the base 10, a first shaft hole 211b is correspondingly formed in the forearm support body 211, and a connecting shaft 344 penetrates through the first shaft hole 211b and the second shaft hole 212a to rotatably connect the sliding seat 212 and the forearm support body 211. Connecting bracket 32 includes the tail 322 that sticks of the support body 321 that integrated into one piece set up, support body 321 rotates with base 10 through transmission shaft 43 and is connected, it is located forearm support body 211's below to stick the tail 322, and extend towards forearm support body 211 one side tilt up, stick up and seted up mounting hole 322a on the tail 322, forearm support body 211 is close to and has seted up second connecting hole 211a on one side of sticking up tail 322, connecting pieces such as screw or pin are worn to locate mounting hole 322a and second connecting hole 211a, it is connected to rotate with forearm mount 21 to stick up tail 322.

Referring to fig. 3 and 5, in order to more clearly describe the working principle of the present invention, in the first state, the second state and the third state, the distances between the sliding seat 212 and the edge of the housing cover 45 are defined as H1, H2 and H3, the included angles between the forearm frame body 211 and the base 10 are defined as a1, a2 and A3, and the extended state of the wrist joint of the patient in the second state is defined as the initial state. When the palm of the patient is bent upward, that is, the state is changed from the second state to the first state, the support body 321 rotates upward relative to the base 10, the support body 321 drives the tilting tail 322 to rotate downward relative to the base 10, the tilting tail 322 pushes the forearm support body 211 to slide toward the side far away from the palm fixing plate 31 relative to the base 10, and the forearm support body 211 rotates downward relative to the base 10, at this time, H1 > H2 is obtained, a1 is a straight angle, and a2 is an acute angle. When the palm of the patient bends downward, that is, when the state changes from the second state to the third state, the support body 321 rotates downward relative to the base 10, the support body 321 drives the tilting tail 322 to rotate upward relative to the base 10, the tilting tail 322 pulls the forearm support body 211 to slide toward one side of the palm fixing plate 31 relative to the base 10, and the forearm support body 211 rotates upward relative to the base 10, so that H3 is greater than H2, and a2 is greater than a 1.

It can be seen from the above process that the support body 321 and the tail 322 connected to each other in the application drive the forearm support body 211 to move together with the palm fixing plate 31, so that the structure of the wrist joint training device 100 better conforms to the human engineering, and when the discomfort caused by the friction generated between the forearm fixing band 22, the forearm fixing frame 21 and the forearm during the rehabilitation training is avoided, the effect of the wrist joint rehabilitation training is further improved.

Furthermore, in an embodiment of the present invention, the palm fixing component 30 further includes an angle measuring component 34, the angle measuring component 34 is disposed on the palm fixing plate 31 for measuring the rotation angle between the palm fixing plate 31 and the bracket body 321.

Referring to fig. 2, 4 and 5 again, specifically, the angle measuring device 34 includes a dial 341, a pointer 342, a protective cover 343 and a connecting shaft 344, wherein the connecting protrusion 311 is provided with an insertion hole, when the support body 321 is sleeved on the connecting protrusion 311 through the first connecting hole 32a, the connecting shaft 344 is inserted into the insertion hole and abuts against the outer side surface of the connecting support 32 to limit the palm fixing plate 31 between the two support bodies 321, the dial 341 is provided with a through hole, the pointer 342 is provided with a yielding hole 342a, wherein the size of the through hole is slightly smaller than the diameter of the connecting shaft 344, the size of the yielding hole 342a is slightly larger than the diameter of the connecting shaft 344, the connecting shaft 344 penetrates through the through hole and the yielding hole 342a, and the dial 341 and the pointer 342 are sequentially connected. It should be noted that, in the present application, when the palm fixing plate 31 rotates relative to the support body 321, the connecting shaft 344 drives the dial 341 to rotate, and because the diameter of the yielding hole 342a is larger than that of the rotating shaft, under the action of gravity of the pointer 342, the connecting shaft 344 rotates in the yielding hole 342a, that is, the pointer 342 always points to the direction of gravity, and the dial 341 rotates along with the palm fixing plate 31, so that the pointer 342 indicates the angle between the palm fixing plate and the support body 321, that is, the angle of the palm of the user relative to the bending is displayed.

It should be noted that, in the present application, the protective cover 343 covers the outer side of the dial 341 and seals the dial therein to prevent dust from contaminating the dial, so as to affect the use, it can be understood that the protective cover 343 is made of a transparent material, such as a transparent plastic material, acrylic or glass, so that the sealing performance is ensured and the angle on the dial 341 can be conveniently read by the patient.

In an embodiment of the present invention, the wrist training device 100 further includes a driving component 40, the driving component 40 is disposed on the base 10 and is in transmission connection with the connecting bracket 32, and the driving component 40 drives the connecting bracket 32 to rotate relative to the base 10.

Referring to fig. 2 again, specifically, the driving assembly 40 includes a housing cover 45, a transmission worm 41, a transmission worm wheel 42, and a transmission shaft 43, wherein the base 10 is provided with a positioning hole, and the transmission shaft 43 is disposed through the through holes of the two bracket bodies 321 and the positioning hole of the base 10. The two bracket bodies 321 are rotatably connected with the base 10, the transmission worm wheel 42 is sleeved on the end of the transmission shaft 43, and the transmission worm 41 is meshed with the transmission worm wheel 42 and extends along the vertical direction of the wrist joint. The transmission worm 41 is rotated to drive the transmission worm gear 42 to rotate, so that the transmission shaft 43 drives the two support bodies 321 to swing up and down relative to the base 10, and the wrist joints of the patient are pulled to perform rehabilitation training. Drive structure through transmission worm 41, transmission worm wheel 42 in this application drives palm portion fixed plate 31 and rotates for forearm support body 211, and on the one hand wrist joint training ware 100's structure is more compact, and on the other hand also more adapts to human body's the custom of exerting oneself for wrist joint training ware 100's angle modulation is more laborsaving.

Further, in order to facilitate a user to rotate the transmission worm 41, in this application, the driving assembly 40 further includes an adjusting knob 44, wherein a bearing 47 is disposed between the transmission worm 41 and the housing cover 45, two opposite ends of the transmission worm 41 are further provided with connecting sleeves 46, and the connecting sleeves 46 limit the bearing 47 at the two opposite ends of the transmission worm 41. The adjusting knobs 44 are sleeved at two ends of the transmission worm 41 through connecting sleeves 46. The operation of rotating the transmission worm 41 by the user is labor-saving by arranging the adjusting knob 44, and the transmission efficiency of the driving assembly 40 is high by arranging the bearing 47 between the shell cover 45 and the transmission worm 41.

It can be understood that the rotation of the palm fixing plate 31 relative to the base 10 can also be driven automatically, that is, in the above scheme, the driving worm 41 is in transmission connection with the output shaft of the driving motor, and the driving motor drives the driving worm 41 to rotate, so as to pull the wrist joint of the patient to perform rehabilitation training.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A wrist training device, comprising:

a base;

the forearm fixing assembly comprises a forearm fixing frame and a forearm fixing band arranged on the forearm fixing frame, and the forearm fixing frame is connected to the base; and

2. The wrist joint training device according to claim 1, wherein the palm fixing plate has connecting protrusions formed on opposite sides thereof, the connecting bracket has first connecting holes formed on opposite sides thereof, and one of the connecting protrusions is fitted in one of the first connecting holes.

3. The wrist joint exercising apparatus according to claim 2, wherein the first coupling hole is formed to extend along a length direction of the coupling bracket.

4. The wrist joint training device according to claim 2, wherein the connecting bracket comprises a bracket body and a tilting tail connected to the bracket body, the bracket body is rotatably connected to the base and has the first connecting hole, and the forearm fixing frame is slidably connected to the base and is connected to the tilting tail;

5. The wrist joint training device according to claim 4, wherein the forearm fixing frame comprises a forearm frame body and a sliding seat, the sliding seat is slidably connected to the base, the forearm frame body is rotatably connected to the sliding seat and is provided with a second connecting hole, the tilting tail is provided with a mounting hole, and a connecting piece is arranged through the mounting hole and the second connecting hole to connect the tilting tail and the forearm frame body;

6. The wrist joint training device according to claim 4, wherein the palm fixing component further comprises an angle measuring member, and the angle measuring member is disposed on the palm fixing plate and is used for measuring the rotation angle between the palm fixing plate and the support body.

7. The wrist joint training device according to claim 6, wherein the angle measuring member includes a dial and a pointer, the dial is connected to the connecting protrusion, the pointer is provided with a hole for abdicating through two opposite surfaces thereof, and the connecting protrusion is rotatably inserted through the hole for abdicating.

8. The wrist training aid of any one of claims 1-7, further comprising a drive assembly disposed on the base and drivingly connected to the connecting bracket, the drive assembly driving the connecting bracket to rotate relative to the base.

9. The wrist joint training device according to claim 8, wherein the driving assembly includes a driving worm, a driving worm wheel, and a driving shaft, the driving shaft is connected to the connecting bracket, the driving worm wheel is sleeved on the driving shaft, and the driving worm is engaged with the driving worm wheel.

10. The wrist training device according to claim 9, wherein the driving assembly further comprises an adjusting knob, and the adjusting knob is sleeved on an end of the transmission worm.