CN217988288U - Shank length adjusting mechanism for rehabilitation lower limb trainer - Google Patents
Shank length adjusting mechanism for rehabilitation lower limb trainer Download PDFInfo
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- CN217988288U CN217988288U CN202222101453.6U CN202222101453U CN217988288U CN 217988288 U CN217988288 U CN 217988288U CN 202222101453 U CN202222101453 U CN 202222101453U CN 217988288 U CN217988288 U CN 217988288U
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- slide rail
- trapezoidal
- lead screw
- screw rod
- rehabilitation
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Abstract
The utility model discloses a shank length adjusting mechanism for a rehabilitation lower limb trainer, which comprises a shank rolling pad and a slide rail, wherein the upper end of the slide rail is hinged on a knee joint point of a main body of the rehabilitation lower limb trainer, and the lower part of the slide rail is provided with an adjusting component for adjusting the height of the shank rolling pad; the adjusting part is provided with a trapezoidal screw rod arranged in parallel with the slide rail, the two ends of the trapezoidal screw rod are fixed on the slide rail through a bearing and a bearing seat, the trapezoidal screw rod is provided with a trapezoidal nut matched with the trapezoidal screw rod, the two sides of the slide rail are provided with leg rolling pad mounting frames, the leg rolling pad mounting frames are connected with the trapezoidal nut, the lower end of the trapezoidal screw rod is provided with a handle used for rotating the trapezoidal screw rod, and the upper end of the trapezoidal screw rod is provided with an end cover used for limiting the bearing and the bearing seat. The utility model discloses a wave the handle and drive trapezoidal lead screw and rotate to make trapezoidal nut slide from top to bottom, reach the lift adjustment leg and roll the pad purpose, reduced the complexity of adjusting, trapezoidal lead screw is infinitely variable control simultaneously, and has self-locking function.
Description
Technical Field
The utility model relates to a medical appliance, in particular to a shank length adjusting mechanism for a rehabilitation lower limb trainer.
Background
In recent decades, the high importance of medical instruments and the urgent need of people for rehabilitation medical services in China have led to rapid development of rehabilitation medical equipment. The lower limb trainer is used as rehabilitation muscle strength training equipment, can effectively improve the muscle function of people with muscle injury, and achieves the purpose of muscle strength rehabilitation. For people with different heights/leg lengths, the adjustment of the leg length is necessary. The traditional shank length adjustment mostly adopts a bolt type, on one hand, after the bolt is pulled out, the leg pad is manually moved up and down and then locked, and the adjustment process is complicated; on the other hand, the adjusting position is limited by the bolt hole position.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the utility model is not enough for the prior art, and provides a shank length adjustment mechanism for rehabilitation type lower limb training device with reasonable design and convenient use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a shank length regulating mechanism for a rehabilitation lower limb trainer is characterized by comprising a shank rolling pad and a slide rail, wherein the upper end of the slide rail is hinged on a knee joint point of a rehabilitation lower limb trainer body, and the lower part of the slide rail is provided with a regulating component for regulating the height of the shank rolling pad;
the adjusting part is provided with a trapezoidal screw rod arranged in parallel with the slide rail, the two ends of the trapezoidal screw rod are fixed on the slide rail through a bearing and a bearing seat, the trapezoidal screw rod is provided with a trapezoidal nut matched with the trapezoidal screw rod, the two sides of the slide rail are provided with leg rolling pad mounting frames, the leg rolling pad mounting frames are fixedly connected with the trapezoidal nut through fasteners, the lower end of the trapezoidal screw rod is provided with a handle used for rotating the trapezoidal screw rod, and the upper end of the trapezoidal screw rod is provided with an end cover used for limiting the bearing and the bearing seat.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the leg rolls the pad mounting bracket including the outer post of cover on the slide rail, and the leg rolls the pad and fixes on the outer post, and the outer post inboard is installed with slide rail complex slider.
The utility model aims to solve the technical problem can also be realized through following technical scheme, the slide rail is the cavity setting, and trapezoidal lead screw is installed in the cavity slide rail, has seted up on the cavity slide rail and has supplied the leg to roll and fill up gliding direction spout about the mounting bracket, and slide rail outer post, slider pass through the fastener like the fix with screw, and the pole outside slides in the slide rail.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the elongated hole that the direction spout set up for the axis direction along trapezoidal lead screw.
Compared with the prior art, the utility model discloses an establish trapezoidal lead screw and trapezoidal nut, drive trapezoidal lead screw through waveing the handle and rotate to make trapezoidal nut slide from top to bottom, reach the lift adjustment leg and roll the pad purpose, reduced the complexity of regulation, trapezoidal lead screw is infinitely variable control simultaneously, and has self-locking function.
Drawings
FIG. 1 is a structural diagram of the shank length adjustment mechanism of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1-a trapezoidal lead screw; 2-trapezoidal nut; 3-bearing and bearing seat; 4-a handle; 5-a slide rail; 6-sliding rail outer column; 7-a slide block; 8-screw end cap; 9-leg roll pad; 10-knee joint point; 100-rehabilitation type lower limb trainer body.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1 and 2, a shank length adjusting mechanism for a rehabilitation type lower limb trainer comprises a shank rolling pad 9 and a slide rail 5, wherein the upper end of the slide rail 5 is hinged on a knee joint point 10 of a rehabilitation type lower limb trainer body 100, and an adjusting component for adjusting the height of the shank rolling pad 9 is arranged at the lower part of the slide rail 5;
the adjusting part is equipped with trapezoidal lead screw 1 with 5 parallel arrangement of slide rail, 1 both ends of trapezoidal lead screw are fixed on slide rail 5 through bearing and bearing frame 3, install trapezoidal nut 2 rather than the complex on the trapezoidal lead screw 1, 5 both sides of slide rail are equipped with the leg and roll the pad mounting bracket, the leg rolls the pad mounting bracket and passes through fastener and trapezoidal nut 2 fixed meeting, handle 4 that is used for rotating trapezoidal lead screw 1 is installed to 1 lower extreme of trapezoidal lead screw, install and be used for spacing end cover 8 to bearing and bearing frame on the trapezoidal lead screw, through at trapezoidal lead screw head installation end cover, at trapezoidal lead screw afterbody installation handle, be used for spacing the bearing frame.
The leg rolls pad mounting bracket including the postel 6 of cover on slide rail 5, and the leg rolls pad 9 and fixes on postel 6, and 6 inboard installations of postel have with slide rail 5 complex slider 7, slide rail 5 is the cavity setting, and trapezoidal lead screw 1 is installed in cavity slide rail 5, is equipped with the direction spout that supplies the fastener to pass on the cavity slide rail 5, and slide rail postel 6, slider 7 pass through the fastener like the fix with screw, and the pole outside slides in slide rail 5, the rectangular shape hole that the axis direction of direction spout for following trapezoidal lead screw set up, and the height that the length in rectangular shape hole was adjusted as required sets up, and the width in rectangular shape hole rolls the shape, the width of the connecting piece that fills up between the pad mounting bracket according to trapezoidal nut and leg and sets for.
A leg rolling pad 9 is arranged on the outer column 6 of the slide rail 5, and one end of the inner rod in the slide rail 5 is fixed to a knee joint point; the handle 4 rotates to drive the trapezoidal screw rod 1 to rotate, so that the trapezoidal nut 2 drives the outer column 6 of the sliding rail 5 to slide up and down, the distance between the leg rolling pad 9 and a knee joint point is adjusted, and the purpose of lifting adjustment is achieved. The utility model discloses a lift adjustment structure is done to trapezoidal lead screw, through waveing the handle, makes trapezoidal screw nut drive shank structure oscilaltion, has reduced the complexity of adjusting. Meanwhile, the trapezoidal lead screw is in stepless regulation and has a self-locking function.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A shank length adjusting mechanism for a rehabilitation lower limb trainer is characterized by comprising a shank rolling pad and a slide rail, wherein the upper end of the slide rail is hinged on a knee joint point of a main body of the rehabilitation lower limb trainer, and the lower part of the slide rail is provided with an adjusting component for adjusting the height of the shank rolling pad;
the adjusting component is provided with a trapezoidal lead screw arranged in parallel with the slide rail, the two ends of the trapezoidal lead screw are fixed on the slide rail through a bearing and a bearing seat, the trapezoidal lead screw is provided with a trapezoidal nut matched with the trapezoidal lead screw in an installing mode, the two sides of the slide rail are provided with leg rolling pad installing frames, the leg rolling pad installing frames are fixedly connected with the trapezoidal nut, the lower end of the trapezoidal lead screw is provided with a handle used for rotating the trapezoidal lead screw, and the upper end of the trapezoidal lead screw is provided with an end cover used for limiting the bearing and the bearing seat.
2. The shank length adjusting mechanism for rehabilitation lower limb trainers according to claim 1, wherein the leg rolling pad mounting frame comprises an outer column sleeved on the slide rail, the leg rolling pad is fixed on the outer column, and a slide block matched with the slide rail is arranged on the inner side of the outer column.
3. The shank length adjusting mechanism for the rehabilitation lower limb trainer according to claim 1 or 2, characterized in that the slide rail is hollow, the trapezoidal lead screw is installed in the hollow slide rail, and a guide chute for the leg rolling pad installation frame to slide up and down is arranged on the hollow slide rail.
4. The shank length adjustment mechanism for rehabilitation training device of lower limbs according to claim 3, wherein said guide chute is an elongated hole formed along the axial direction of a trapezoidal screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222101453.6U CN217988288U (en) | 2022-08-11 | 2022-08-11 | Shank length adjusting mechanism for rehabilitation lower limb trainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222101453.6U CN217988288U (en) | 2022-08-11 | 2022-08-11 | Shank length adjusting mechanism for rehabilitation lower limb trainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217988288U true CN217988288U (en) | 2022-12-09 |
Family
ID=84319925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222101453.6U Active CN217988288U (en) | 2022-08-11 | 2022-08-11 | Shank length adjusting mechanism for rehabilitation lower limb trainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217988288U (en) |
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2022
- 2022-08-11 CN CN202222101453.6U patent/CN217988288U/en active Active
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