CN211513311U - Forearm rotation rehabilitation exercise training device - Google Patents

Abstract

The utility model discloses a forearm rotation rehabilitation exercise trainer, which comprises a fixed bracket, an adjusting mechanism and a damping mechanism, wherein the fixed bracket comprises a guide rod, the adjusting mechanism comprises a lifting platform which is connected with the guide rod in a sliding way, a fixed bracket and a locking bracket with a locking hole, movably locate the clamp plate between mount and the locking frame, elastic component between mount and the clamp plate is located to the retractable, pull rod and connecting rod, damping mechanism installs on the elevating platform, mount and locking are erect in the elevating platform, the pull rod is articulated with the elevating platform, the connecting rod articulates between pull rod and clamp plate, guide arm slidable ground runs through the mount, clamp plate and locking hole, the lower extreme of clamp plate is installed the deformation piece that is the toper structure in the face of corresponding locking hole, the deformation piece is made by elastic material, the scarce groove has been seted up on the lateral wall of deformation piece, the deformation piece can insert in the locking hole and the cohesion is on the surface of guide arm. The utility model discloses a rotatory recovered motion training ware of forearm has realized the adjustable function of damping mechanism height.

Description

Forearm rotation rehabilitation exercise training device

Technical Field

The utility model relates to a body-building apparatus equipment technical field especially relates to a rotatory recovered motion training ware of forearm.

Background

The forearm rehabilitation exercise training ware mainly used forearm's rehabilitation training, at present, forearm rehabilitation training ware is usually fixed mounting on the wall, and its mounted position height is relatively fixed, consequently, generally can only satisfy the user's that accords with the height requirement user demand, and the use universality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the problems in the prior art, the forearm rotating rehabilitation exercise trainer with adjustable height and good use universality is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a forearm rotation rehabilitation motion training ware, includes fixed bolster, adjustment mechanism and damping mechanism, the fixed bolster includes the guide arm, adjustment mechanism include with guide arm sliding connection's elevating platform, mount, have locking hole locking frame, movably locate the mount with clamp plate between the locking frame, telescopically locate mount with elastomeric element, pull rod and connecting rod between the clamp plate, damping mechanism installs on the elevating platform, the mount with the locking frame is located in the elevating platform, the pull rod with the elevating platform is articulated, the connecting rod articulates between the pull rod with between the clamp plate, guide arm slidable ground runs through mount, clamp plate and locking hole, the lower extreme of clamp plate is in the face of corresponding the locking hole is installed and is the deformation spare that is the toper structure, the deformation spare is made by elastic material, the deformation piece is characterized in that the side wall of the deformation piece is provided with a notch, and the deformation piece can be inserted into the locking hole and clasped on the outer surface of the guide rod.

Further, the deformation piece is the cavity tubular structure that both ends link up, scarce groove is followed the axial setting of deformation piece, it link up to lack the groove the inside wall and the lateral wall of deformation piece.

Furthermore, one end of the connecting rod is hinged to the pull rod, the other end of the connecting rod is hinged to the pressing plate, one end of the pull rod is hinged to the lifting table, and the other end of the pull rod extends out of the lifting table.

Furthermore, an empty groove is formed in the side wall of the lifting platform, one end of the pull rod penetrates through the empty groove and then extends to the outside of the lifting platform, and the pull rod can slide along the length direction of the empty groove.

Furthermore, the elastic part is a spring sleeved outside the guide rod, one end of the elastic part is elastically abutted against the fixing frame, and the other end of the elastic part is elastically abutted against the pressing plate.

Furthermore, the fixing frame is provided with a through hole, the through hole is matched with the guide rod, the aperture of the locking hole is larger than the diameter of the guide rod, and the guide rod movably penetrates through the through hole and the locking hole.

Furthermore, the fixed support also comprises a first support and a second support which are arranged oppositely, the guide rods are connected between the first support and the second support, and the two guide rods are arranged in parallel.

Further, the lifting platform comprises a rear cover and a front cover detachably mounted on the rear cover, the guide rod slidably penetrates through the rear cover, and the damping mechanism is mounted on the rear cover.

Further, the deformation member is made of plastic.

Further, a counter is arranged on the lifting platform.

The utility model has the advantages that: the utility model provides a rotatory recovered motion training ware of forearm through the pulling pull rod, can drive the clamp plate and make progress or rebound, and then make the deformation piece loosen or hold the guide arm tightly to realize the activity or the fixed relation between adjustment mechanism and the guide arm, realized damping mechanism height-adjustable's function, satisfied different users' user demand, it is good to use the extensive nature, easy operation, convenient to popularize and use.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a forearm rotation rehabilitation exercise training device of the present invention;

FIG. 2 is a left side view of the forearm rotation rehabilitation exercise trainer of FIG. 1;

FIG. 3 is a top view of the forearm rotation rehabilitation exercise trainer of FIG. 1;

FIG. 4 is a cross-sectional view of the forearm rotating rehabilitation exercise trainer of FIG. 2 taken along C-C;

FIG. 5 is a perspective view of a deformation element in the forearm rotation rehabilitation exercise trainer of FIG. 1;

FIG. 6 is a perspective view from another perspective of the deformable member shown in FIG. 1;

FIG. 7 is a cross-sectional view A-A of the damping mechanism of the forearm rotating rehabilitation exercise trainer of FIG. 3;

FIG. 8 is an enlarged fragmentary view at B of the damping mechanism shown in FIG. 7;

FIG. 9 is a cross-sectional view of the moveable sleeve of the damping mechanism of FIG. 7;

fig. 10 is a schematic structural view of a connecting sleeve in the damping mechanism shown in fig. 7.

In the figure: 10. a housing, 11, a housing, 12, a base, 111, a connecting sleeve, 112, a snap-fit protrusion, 20, a rotating shaft, 21, an infrared emitter, 22, an infrared receiver, 23, a rotating wheel, 30, an adjusting device, 31, a hoop, 32, an adjusting piece, 33, an elastic piece, 301, a threaded hole, 302, a through hole, 311, a clasping section, 312, a first connecting section, 313, a second connecting section, 314, a clasping protrusion, 321, a butting edge, 40, a counter, 41, a movable sleeve, 42, a clasping piece, 411, a sliding groove, 412, a guide groove, 413, a clamping groove, 70, a damping mechanism, 50, a fixing frame, 51, a first support, 52, a second support, 53, a guide rod, 60, an adjusting mechanism, 61, a lifting platform, 611, a rear cover, 612, a front cover, 613, a hollow groove, 62, a fixing frame, 621, a perforation, 63, a locking frame, 631, a pressing plate, a locking hole, 64, 65, an elastic component, 66, a pull rod, 67. connecting rod, 68, deformation piece, 681 and notch.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Referring to fig. 1-3, the present invention provides a forearm rotation rehabilitation exercise training device for upper limb rehabilitation training, specifically forearm rehabilitation training. The forearm rotation rehabilitation exercise trainer comprises a fixing support 50, an adjusting mechanism 60 which is slidably arranged on the fixing support 50 and a damping mechanism 70 which is arranged on the adjusting mechanism 60, wherein the height of the damping mechanism 70 is adjusted through the adjusting mechanism 60 during use, so that the forearm rotation rehabilitation exercise trainer meets the use requirements of users with different heights and has good use universality.

The fixed bracket 50 includes a first bracket 51 and a second bracket 52 which are oppositely arranged, and a guide rod 53 connected between the first bracket 51 and the second bracket 52, the first bracket 51 and the second bracket 52 are fixedly mounted on the wall, the guide rod 53 has two and two guide rods 53 which are arranged in parallel, wherein the first bracket 51 is located above the second bracket 52. In the present embodiment, the guide 53 has a circular cross section. In the present embodiment, the first bracket 51 and the second bracket 52 are mounted on the wall by bolts.

Referring to fig. 4, the adjusting mechanism 60 includes a lifting platform 61, a fixing frame 62, a locking frame 63, a pressing plate 64, an elastic component 65, a pull rod 66 and a connecting rod 67, the lifting platform 61 is slidably mounted on the guide rod 53, the fixing frame 62 and the locking frame 63 are relatively and fixedly mounted in the lifting platform 61, the pressing plate 64 is movably mounted between the fixing frame 61 and the locking frame 63, the elastic component 65 is telescopically disposed between the fixing frame 62 and the pressing plate 64, one end of the pull rod 66 is hinged to the lifting platform 61, the connecting rod 67 is hinged between the pull rod 66 and the pressing plate 64, that is, one end of the connecting rod 67 is hinged to the pull rod 66, the other end of the connecting rod 67 is hinged to the pressing plate 64, and the guide rod 53 slidably penetrates through the fixing frame 62, the pressing.

In one specific embodiment, the lift table 61 includes a rear cover 611 and a front cover 612, the rear cover 611 is substantially in the form of a middle box structure having an opening at one end, and the front cover 612 is detachably mounted at the open end of the rear cover 611. The damping mechanism 70 is installed in the rear cover 611, and the guide rods 53 slidably penetrate the top and bottom walls of the rear cover 611.

The fixing frame 62 and the locking frame 63 are both fixedly installed on the rear cover 61, and the fixing frame 62 is located above the locking frame 63. The fixing frame 62 is provided with a through hole 621, the locking frame 63 is provided with a locking hole 631 corresponding to the through hole 621, wherein the through hole 621 is matched with the guide rod 53, the aperture of the locking hole 631 is larger than the diameter of the guide rod 53, and the guide rod 53 movably penetrates through the through hole 621 and the locking hole 631.

Referring to fig. 5 and 6, the deformation member 68 is installed at the lower end surface of the pressing plate 64 corresponding to the locking hole 631, the deformation member 68 is made of an elastic material, the deformation member 68 is approximately in a hollow cylindrical structure with two through ends, the deformation member 68 is in a conical structure, the guide rod 53 slidably penetrates through the deformation member 68 along the axial direction of the deformation member 68, a notch 681 is formed in the side wall of the deformation member 68 along the axial direction of the deformation member 68, the notch 681 penetrates through the inner side wall and the outer side wall of the deformation member 68, and deformation of the deformation member 68 is facilitated by the notch 681. It is understood that the connection between the deformation element 68 and the pressure plate 64 may be a bolt connection, a snap connection, or the like.

When the damping mechanism is used, when the pressure plate 64 moves upwards relative to the locking frame 63, the deformation piece 68 is separated from the locking hole 631, at the moment, the lower end of the deformation piece 68 is opened outwards, a gap is formed between the deformation piece 68 and the guide rod 53, the deformation piece 68 can slide relative to the guide rod 53, at the moment, the adjusting mechanism 60 can slide relative to the guide rod 53, and then the height of the damping mechanism 70 is adjusted; when the pressing plate 64 moves downwards relative to the locking frame 63, the deformation piece 68 is inserted into the locking hole 631, at the moment, the deformation piece 68 is limited by the locking hole 631, the inclined surface of the deformation piece 68 is extruded, so that the deformation piece 68 deforms, and thus, the lower end of the deformation piece 68 tightly embraces the outer surface of the guide rod 53 due to inward tightening, so that the deformation piece 68 and the guide rod 53 are relatively fixed, at the moment, the deformation piece 68 cannot slide relative to the guide rod 53, so that the adjusting mechanism 60 cannot slide relative to the guide rod 53, and the height of the damping mechanism 70 is fixed. In the present embodiment, the deforming member 68 is made of plastic.

The upper end of the elastic component 65 elastically abuts against the fixing frame 62, and the lower end of the elastic component 65 elastically abuts against the pressing plate 64, so that when the pressing plate 64 moves upwards under external force, the elastic action of the elastic component 65 needs to be overcome, and when the external force applied to the pressing plate 64 is released, the pressing plate 64 automatically moves downwards under the elastic action of the elastic component 65, so that the deformation piece 68 is inserted into the locking hole 631, and the deformation piece 68 is further fixed with the guide rod 53.

In the present embodiment, the elastic member 65 is a spring sleeved outside the guide rod 53, and it is understood that the elastic member 65 may also be an elastic and rigid element such as a stainless steel elastic sheet or a copper elastic sheet, which is not limited herein.

The pull rod 66 is arranged between the fixed frame 62 and the locking frame 63, and when the pull rod 66 is pulled upwards in work, the pressure plate 64 is driven by the connecting rod 67 to move upwards, so that the deformation piece 68 is pulled out of the locking hole 631; when the pull rod 66 is released, the pressing plate 64 automatically moves downwards under the elastic force of the elastic member 65, so that the deformation member 68 is inserted into the locking hole 631.

In addition, one end of the pull rod 66 extends to the outside of the lifting table 61 for the convenience of the user. In a specific embodiment, a hollow groove 613 is formed on a side wall of the rear cover 611, one end of the pull rod 66 passes through the hollow groove 613 and extends to the outside of the rear cover 611, and when the pull rod 66 is pulled, the pull rod 66 can slide along the length direction of the hollow groove 613.

Referring to fig. 1, 2 and 7, the damping mechanism 70 includes a housing 10, a rotating shaft 20 rotatably inserted in the housing 10, an adjusting device 30 mounted on the rotating shaft 20, and a counter 40 connected to the outside of the housing 10. When the rehabilitation training device is used, a user grasps the rotating shaft 20, the rotating shaft 20 is driven to rotate by rotating the forearm, the rehabilitation training effect is achieved, the adjusting device 30 is used for adjusting arm strength required when the rotating shaft 20 rotates, and the counter 40 is used for recording the number of rotation turns of the rotating shaft 20 and displaying the number of the rotation turns to the user.

In one embodiment, a rotating wheel 23 is mounted at one end of the rotating shaft 20, and the rotating wheel 23 has a hollow ring structure, so that the user can conveniently grip the rotating wheel and operate the rotating wheel.

In a specific embodiment, the housing 10 includes a casing 11 and a base 12 connected to each other, the casing 11 is a hollow box-shaped structure having an opening at a lower end, the base 12 is a flat plate-shaped structure, and the base 12 is detachably disposed at the lower end of the casing 11. The rotating shaft 20 is a rod-shaped structure with a circular cross section, the rotating shaft 20 is rotatably inserted in the housing 11, and in order to ensure smooth rotation between the rotating shaft 20 and the housing 11, a bearing (not shown) is installed between the rotating shaft 20 and the housing 11, specifically, an outer ring of the bearing is in interference fit with the housing 11, and the rotating shaft 20 is in interference fit with an inner ring of the bearing. It is understood that the housing 11 and the base 12 can be connected by clamping, bolting, etc.

In addition, the base 12 and the front cover 612 are detachably connected to each other, so as to achieve a connection relationship between the damping mechanism 70 and the adjusting mechanism 60, and it can be understood that the base 12 and the front cover 612 can be connected by clamping, bolting, and the like.

Referring to fig. 8, the adjusting device 30 includes an anchor ear 31 sleeved outside the rotating shaft 20, an adjusting member 32 penetrating through two ends of the anchor ear 31, and an elastic member 33 telescopically disposed at two ends of the anchor ear 31.

The hoop 31 is substantially in an annular structure with an opening at one side, a threaded hole 301 is formed in one end of the hoop 31, a through hole 302 is formed in the other end of the hoop 31, the adjusting piece 32 penetrates through the through hole 302 and then is in threaded connection with the threaded hole 301, and the through hole 302 is in clearance fit with the adjusting piece 32, so that the end, provided with the through hole 302, of the hoop 31 can move relative to the adjusting piece 32. In a specific embodiment, an abutting edge 321 is convexly disposed on a side wall of the adjusting element 32, the abutting edge 321 is located on a side of the through hole 302 away from the threaded hole 301, and the abutting edge 321 abuts against an end of the hoop 31 with the through hole 302. The elastic member 33 is located at the side of the adjusting member 32, and one end of the elastic member 33 elastically abuts against one end of the hoop 31, and the other end of the elastic member 33 elastically abuts against the other end of the hoop 31, so that the end of the hoop 31 having the through hole 302 can always abut against the abutting edge 321 under the elastic force of the elastic member 33, and the influence on the adjusting stability due to the fact that the end of the hoop 31 having the through hole 302 does not abut against the abutting edge 321 is avoided.

When the adjustable clamp is used, the adjusting piece 32 is rotated, one end of the hoop 31 moves towards the direction close to the other end of the hoop 31 under the action of threaded fit, so that the hoop 31 is gradually tightened to be extruded on the outer peripheral surface of the rotating shaft 20, the cohesive force of the hoop 31 on the rotating shaft 20 is increased, and at the moment, a user needs to use larger arm force to rotate the rotating shaft 20; the reverse rotation regulating part 32, the reverse movement of the other end of staple bolt 31 is kept away from to the one end of staple bolt 31 under screw-thread fit's effect, and like this, staple bolt 31 loosens gradually, and the cohesion of pivot 20 receiving staple bolt 31 reduces, and at this moment, the user only need use less arm power alright rotate pivot 20. In the present embodiment, the adjuster 32 is a screw.

In a specific embodiment, the anchor ear 31 includes a clasping section 311, and a first connecting section 312 and a second connecting section 313 connected to two opposite ends of the clasping section 311, where the first connecting section 312 and the second connecting section 313 are oppositely disposed, where the clasping section 311 is sleeved on the outside of the rotating shaft 20, the clasping section 311 is in an arc-shaped plate structure, the first connecting section 312 and the second connecting section 313 are both in a plate structure, the threaded hole 301 is opened on the first connecting section 312, the through hole 302 is opened on the second connecting section 313, the abutting edge 321 abuts against the second connecting section 313 under the action of the elastic member 33, the elastic member 33 is telescopically disposed between the first connecting section 312 and the second connecting section 313, one end of the elastic member 33 elastically abuts against the first connecting section 312, and the other end of the elastic member 33 elastically abuts against the second connecting section 313.

In this embodiment, the hoop 31 is made of a plastic material, and the plastic has a certain plastic deformation property, so that the hoop 31 can be deformed when receiving an external force and can be reset when the external force is removed. It will be appreciated that in other embodiments not shown, the anchor ear 31 may also be made of stainless steel material.

In one embodiment, the elastic member 33 is a spring fitted around the adjusting member 32. It is understood that in other embodiments not shown, the elastic member 33 may also be an elastic and rigid element such as a stainless steel elastic sheet or a copper elastic sheet, which is not limited herein.

The central axis of the adjusting member 32 is perpendicular to the central axis of the rotating shaft 20. In one embodiment, the adjusting member 32 is a screw, and one end of the adjusting member 32 passes through the housing 11 and extends to the outside of the casing 10, so that the user can rotate the adjusting member 32 conveniently.

In addition, the surfaces of the first connection section 312 and the second connection section 313, which are opposite to each other and close to the rotating shaft 20, are convexly provided with the clasping protrusions 314, and the clasping protrusions 314 are obliquely arranged. When the cohesion force of staple bolt 31 to pivot 20 needs to be increased, rotate pivot 20, first linkage segment 312 is close to each other and takes place certain deformation with second linkage segment 313 for cohesion arch 314 sticiss on the surface of pivot 20, provides certain extrusion force for staple bolt 31 cohesion pivot 20, thereby reducible staple bolt 31's deflection has effectively avoided staple bolt 31 to take place to damage, and the cohesion dynamics is big.

In a specific embodiment, a rubber ring is fixedly sleeved on the outer peripheral surface of the rotating shaft 20, and the anchor ear 31 is sleeved on the rubber ring, so that the rubber ring can increase friction force and prevent the rotating shaft 20 and the anchor ear 31 from slipping.

In addition, referring to fig. 1, fig. 2, fig. 9 and fig. 10, a connecting sleeve 111 is fixedly connected to an outer wall of the housing 11, a movable sleeve 41 is fixedly connected to the counter 40, the connecting sleeve 111 and the movable sleeve 41 are both cylindrical, an upper end opening of the connecting sleeve 111 is provided, a lower end opening of the movable sleeve 41 is provided, and the movable sleeve 41 is movably sleeved outside the connecting sleeve 111. In this embodiment, the inner wall of the movable sleeve 41 is convexly provided with the engaging protrusion 112, the outer wall of the connecting sleeve 111 is provided with the sliding slot 411, and the engaging protrusion 112 can slide along the sliding slot 411 and be engaged into the sliding slot 411. Specifically, the sliding groove 411 includes a guide groove 412 and a clamping groove 413 which are communicated with each other, the guide groove 412 is arranged along the axial direction of the connecting sleeve 111, the clamping groove 413 is arranged along the circumferential direction of the connecting sleeve 111 and is communicated with the lower end of the guide groove 412, and the upper end of the guide groove 412 penetrates through the upper end surface of the connecting sleeve 111. When the clamping device is used, the clamping protrusion 112 corresponds to the upper port of the guide groove 412, the movable sleeve 41 is slidably sleeved on the connecting sleeve 111, when the clamping protrusion 112 moves to one end of the clamping groove 413 along the guide groove 412, the movable sleeve 41 is rotated, and the clamping protrusion 112 is clamped into the clamping groove 413, so that the clamping device is simple to operate, and the movable sleeve 41 can be effectively prevented from being separated from the connecting sleeve 111.

In this embodiment, there are two engaging protrusions 112, the two engaging protrusions 112 are disposed oppositely, the two sliding slots 411 are disposed symmetrically with respect to the central axis of the movable sleeve 41, and one engaging protrusion 112 corresponds to one sliding slot 411.

Referring to fig. 7, in a specific embodiment, a reset member 42 is installed in the connection sleeve 111, the reset member 42 is made of an elastic material, one end of the reset member 42 elastically abuts against the bottom wall of the connection sleeve 111, the other end of the reset member 42 elastically abuts against the top wall of the movable sleeve 41, when the engaging protrusion 112 is engaged into the engaging groove 413, the reset member 42 is compressed, and the engaging protrusion 112 abuts against the groove wall of the engaging groove 413 under the elastic force of the reset member 42, so that the movable sleeve 41 can be effectively prevented from being disengaged from the connection sleeve 111. In the present embodiment, the return member 42 is a spring.

It is understood that in other embodiments, not shown, the counter 40 may also be mounted on the lifting platform 61, in which case the connection sleeve 111 is connected to the outer surface of the lifting platform 61, and the counter 40 is connected to the lifting platform 61 through the matching relationship between the movable sleeve 41 and the connection sleeve 111.

In addition, referring to fig. 1, an infrared emitter 21 is installed on an outer wall of the rotating shaft 20, an infrared receiver 22 is installed on an outer surface of the shell 11 of the casing 10, the infrared receiver 22 corresponds to the infrared emitter 21, and the infrared receiver 22 is electrically connected to the counter 40. When the rotating shaft 20 rotates until the infrared ray emitted by the infrared generator 21 is received by the infrared receiver 22, the infrared receiver 22 transmits the transmitted signal to the counter 40, and the value displayed by the counter 40 is increased by 1. It will be appreciated that the counter 40 displays a value of 1 increment for each revolution of the shaft 20.

When the damping mechanism 70 is used, the adjusting piece 32 is rotated, so that the hoop 31 can tightly hold or loosen the rotating shaft 20, and further the rotation resistance of the rotating shaft 20 is adjusted, the structure is simple, and the operation is convenient. In addition, through setting up the extrusion of embracing protruding 314 and pivot 20, the staple bolt 31 embraces the pivot 20 and provides certain extrusion force to reducible staple bolt 31's deflection has effectively avoided staple bolt 31 to take place to damage. And, through setting up counter 40, can effectively take notes pivot 20 pivoted number of turns, make things convenient for doctor or user to know the degree of training at every turn, be favorable to the forearm recovered.

The utility model provides a rotatory recovered motion training ware of forearm through pulling pull rod 66, can drive clamp plate 64 upwards or rebound, and then makes the deformation 68 loosen or hold guide arm 53 tightly to realize the activity or the fixed relation between adjustment mechanism 60 and the guide arm 53, realized the function of damping mechanism 70 height-adjustable, satisfied different users' user demand, it is good to use the universality, easy operation, convenient to popularize and use.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. The utility model provides a forearm rotation rehabilitation motion training ware which characterized in that: comprises a fixed support, an adjusting mechanism and a damping mechanism, wherein the fixed support comprises a guide rod, the adjusting mechanism comprises a lifting platform, a fixed frame, a locking frame with locking holes, a pressing plate movably arranged between the fixed frame and the locking frame, and an elastic component, a pull rod and a connecting rod telescopically arranged between the fixed frame and the pressing plate, the damping mechanism is arranged on the lifting platform, the fixed frame and the locking frame are arranged in the lifting platform, the pull rod is hinged with the lifting platform, the connecting rod is hinged between the pull rod and the pressing plate, the guide rod slidably penetrates through the fixed frame, the pressing plate and the locking holes, the lower end of the pressing plate is provided with a deformation piece in a conical structure corresponding to the locking holes, the deformation piece is made of an elastic material, and the side wall of the deformation piece is provided with a notch, the deformation piece can be inserted into the locking hole and clasped on the outer surface of the guide rod.

2. The forearm rotation rehabilitation exercise trainer as claimed in claim 1, wherein: the deformation piece is the cavity tubular structure that both ends link up, it follows to lack the groove the axial setting of deformation piece, it link up to lack the groove the inside wall and the lateral wall of deformation piece.

3. The forearm rotation rehabilitation exercise trainer as claimed in claim 1, wherein: one end of the connecting rod is hinged to the pull rod, the other end of the connecting rod is hinged to the pressing plate, one end of the pull rod is hinged to the lifting platform, and the other end of the pull rod extends out of the lifting platform.

4. The forearm rotation rehabilitation exercise trainer as claimed in claim 3, wherein: the side wall of the lifting platform is provided with a hollow groove, one end of the pull rod penetrates through the hollow groove and then extends to the outside of the lifting platform, and the pull rod can slide along the length direction of the hollow groove.

5. The forearm rotation rehabilitation exercise trainer as claimed in claim 1, wherein: the elastic part is a spring sleeved outside the guide rod, one end of the elastic part is elastically abutted against the fixing frame, and the other end of the elastic part is elastically abutted against the pressing plate.

6. The forearm rotation rehabilitation exercise trainer as claimed in claim 1, wherein: the fixed frame is provided with a through hole, the through hole is matched with the guide rod, the aperture of the locking hole is larger than the diameter of the guide rod, and the guide rod movably penetrates through the through hole and the locking hole.

7. The forearm rotation rehabilitation exercise trainer as claimed in claim 1, wherein: the fixed support further comprises a first support and a second support which are arranged oppositely, the guide rods are connected between the first support and the second support, and the two guide rods are arranged in parallel.

8. The forearm rotation rehabilitation exercise trainer as claimed in claim 7, wherein: the lifting platform comprises a rear cover and a front cover detachably mounted on the rear cover, the guide rod slidably penetrates through the rear cover, and the damping mechanism is mounted on the rear cover.

9. The forearm rotation rehabilitation exercise trainer of any one of claims 1 to 8, wherein: the deformation element is made of plastic.

10. The forearm rotation rehabilitation exercise trainer as claimed in claim 1, wherein: and a counter is arranged on the lifting platform.

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