CN105055119A - Knee joint rehabilitation trainer - Google Patents
Knee joint rehabilitation trainer Download PDFInfo
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- CN105055119A CN105055119A CN201510390508.1A CN201510390508A CN105055119A CN 105055119 A CN105055119 A CN 105055119A CN 201510390508 A CN201510390508 A CN 201510390508A CN 105055119 A CN105055119 A CN 105055119A
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- knee joint
- mounting seat
- stay cord
- gear shaft
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Abstract
The invention relates to a knee joint rehabilitation trainer comprising a leg support plate, a stay rope, and a knee joint wrapping device; the front side of the top surface of the leg support plate is covered by a panel; a gear set straining device, a locking and releasing device, and a force measuring device are arranged between the panel and the leg support plate; one end of the stay rope is fixedly connected with the gear set straining device so as to strain the stay rope; the other end of the stay rope penetrates the panel and is connected with the knee joint wrapping device; a side face of the leg support plate is provided with a wrench; the wrench drives the gear set straining device to rotate, thus straining the stay rope; the force measuring device measures the force on the stay rope; the locking and releasing device locks and releases the gear set straining device; the rear side of the top surface of the leg support plate is fixedly provided with a slide way having an ankle bearer in a slide manner. The knee joint rehabilitation trainer can realize knee joint bending exercise and knee joint straightening exercise functions, is simple in structure, convenient in usage, easy to carry, and more scientific in usage.
Description
Technical field
The invention relates to a kind of human body medical assistance apparatus, particularly relate to a kind of training device for knee joint rehabilitation.
Background technology
After knee surgery treatment, rehabilitation training apparatus has multiple, but is mostly carry out the exercise of corresponding knee joint bending and the exercise of knee joint straightening for knee joint and relevant muscle group.
Wherein, knee joint bending exercise relies on import or domestic passive type recovery training appliance for recovery, and training device for knee joint rehabilitation tool is the special equipment of knee-joint rehabilitation training in Hospitals at Present, is also the important means of postoperative rehabilitation.This passive type recovery training appliance for recovery is driven by motor, two arm of forces of its motion carry thigh and the shank of patient respectively, during use, leg is equipped on recovery training appliance for recovery by patient completely, and the driven by motor arm of force moves, the flexure operation of movement locus simulation human leg.But, the price of this kind equipment is quite high, function singleness, bulky and very heavy, patient leases use usually within the hospital, general patient is not intended to or unable individual buys, but after patient discharge, kneed rehabilitation training still needs to continue, families of patients is only relied on to help training to bother very much, and the nursing of family members lack of standardization, good training effect can not be played, likely make patient not return to one's perfect health and to leave sequela.
Knee joint straightening is practised, the knee joint straightening exercise mode used in hospital is for after patient legs stretchs out, sandbag or other weights are pressed on knee, medical care when placing sandbag according to the individual physique of patient and recovery, pressure puts the sandbag of varying number and weight, such as: 5kg, 10kg, 15kg.Said process uses foreign compulsion makes the leg of patient stretch, and regularly repeats the exercise of knee joint straightening and can prevent patient's leg after wound recovers from can not stretch.But for this straightening mode, the experience of medical care and patient is unsatisfactory, be embodied in medical care and take sandbag inconvenience, patient can because knee be moved by pain during straightening, sandbag is caused to be shifted or knee is stressed changes, general sandbag weight is within the hospital all uncontrollable, incomplete science, reasonable time on patient knees, institute press the sandbag weight of putting most.
In addition, the exercise of existing knee joint bending and knee joint straightening practise used by apparatus not identical, patient back and forth exchanges and carries out rehabilitation training and bother very much, and apparatus is not easy to carry.
Above-mentioned phenomenon is extensively present in the industry, becomes problem demanding prompt solution.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of training device for knee joint rehabilitation, to overcome the defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind of training device for knee joint rehabilitation, have the function of knee joint bending exercise and the exercise of knee joint straightening simultaneously, energy Non-follow control is applied to the power in knee joint, and structure is simple, easy to use.
Another object of the present invention is to provide a kind of training device for knee joint rehabilitation, the size of the power be applied in knee joint can be shown, use science more.
Another object of the present invention is to provide a kind of training device for knee joint rehabilitation, can fold, be convenient for carrying.
The object of the present invention is achieved like this, a kind of training device for knee joint rehabilitation, described training device for knee joint rehabilitation comprises thigh support board, stay cord and knee joint Wrap device, described thigh support board longitudinal extension along a straight line, is provided with gear train take-up device, locking and releasing device on front side of the upper surface of described thigh support board;
One end of described stay cord is fixedly connected with described gear train take-up device, and described stay cord can tighten up by described gear train take-up device;
The other end of described stay cord stretches out and is connected with described knee joint Wrap device;
The side of described thigh support board is provided with the spanner be connected with described gear train take-up device, and described spanner drives described gear train take-up device to rotate, thus is tightened up by described stay cord;
Described gear train take-up device carries out locking or discharging by described locking and releasing device, thus the power keeping or discharge on described stay cord;
Be fixed with slideway on rear side of the upper surface of described thigh support board, described slideway slides arranges ankle bearing.
In a better embodiment of the present invention, cover on front side of the upper surface of thigh support board and be provided with panel, be installed with mounting seat between the upper surface of described panel and described thigh support board, described gear train take-up device is arranged in described mounting seat;
Described gear train take-up device comprises:
First gear shaft, the axis horizontal of described first gear shaft and rotate and be arranged in described mounting seat, at least one end of described first gear shaft is exposed in the side of described thigh support board, and is connected with described spanner, is driven rotate by described spanner;
First gear, described first gear be coaxially fixed on described first gear shaft with described first gear shaft synchronous axial system;
Second gear, described second gear is coaxially arranged on the second gear shaft, the axis vertical of described second gear shaft and be arranged in described mounting seat;
First reel, described first reel is coaxially fixedly connected with described second gear, and rotates with described second gear synchronous;
3rd gear shaft, described 3rd gear shaft between described first gear shaft and the second gear shaft, the axis vertical of described 3rd gear shaft and be arranged in described mounting seat; Described 3rd gear shaft is coaxially arranged with the 3rd gear and the 4th gear, described 3rd gear and described 4th gear synchronous rotate, and described 3rd gear and described first gears meshing, described 4th gear and described second gears meshing;
5th gear, described 5th gear is coaxially arranged on the 4th gear shaft, the axis vertical of described 4th gear shaft and be arranged in described mounting seat; Described 5th gear and described second gears meshing;
Second reel, described second reel is coaxially fixedly connected with described 5th gear, and rotates with described 5th gear synchronous.
In a better embodiment of the present invention, cover on front side of the upper surface of thigh support board and be provided with panel, be installed with mounting seat between the upper surface of described panel and described thigh support board, described gear train take-up device is arranged in described mounting seat;
Described gear train take-up device comprises:
First gear shaft, the axis horizontal of described first gear shaft and rotate and be arranged in described mounting seat, at least one end of described first gear shaft is exposed in the side of described thigh support board, and is connected with described spanner, is driven rotate by described spanner;
First gear, described first gear be coaxially fixed on described first gear shaft with described first gear shaft synchronous axial system;
Second gear, described second gear is coaxially arranged on the second gear shaft, the axis vertical of described second gear shaft and be arranged in described mounting seat; Described second gear and described first gears meshing;
First reel, described first reel is coaxially fixedly connected with described second gear, and rotates with described second gear synchronous;
5th gear, described 5th gear is coaxially arranged on the 4th gear shaft, the axis vertical of described 4th gear shaft and be arranged in described mounting seat; Described 5th gear and described second gears meshing;
Second reel, described second reel is coaxially fixedly connected with described 5th gear, and rotates with described 5th gear synchronous.
In a better embodiment of the present invention, locking and releasing device are arranged in described mounting seat;
Described locking and releasing device comprise:
Ratchet, described ratchet rotates and is arranged on pawl axis, the axis vertical of described pawl axis and be fixed in described mounting seat; Described ratchet has first end and the second end, and described first end is provided with claw, and described pawl axis is between the first end and the second end of described ratchet;
Torsion spring, described torsion spring set is located on torsion axis, the axis vertical of described torsion axis and be fixed in described mounting seat; Described torsion spring has the first external part and the second external part, and described first external part is pressed on the first end of described ratchet, the claw of described first end is fastened between the gear teeth of any one gear in described gear train take-up device, prevents this gear from reversing; Described second external part is pressed on fixed axis, the axis vertical of described fixed axis and be fixed in described mounting seat;
Release rotating shaft, the axis horizontal of described release rotating shaft and rotate and be arranged in described mounting seat, at least one end of described release rotating shaft is exposed in the side of described thigh support board, and is fixedly connected with release lever, is driven rotate by described release lever; Described release rotating shaft is fixed with the arc bump protruding from axial plane, and the position of described arc bump is corresponding with the second end of described ratchet; Described arc bump rotates with described release rotating shaft and compresses the second end of described ratchet gradually, and make described ratchet overcome the pressure rotary of described torsion spring, the claw of described ratchet is separated with engaged gear.
In a better embodiment of the present invention, stay cord comprises the first stay cord and the second stay cord; Described thigh support board upper surface is respectively equipped with the first leading block and the second leading block, and the pivot center of described first leading block and described second leading block is horizontally disposed with;
One end of described first stay cord is fixed on described first reel, and the other end walks around that described first leading block is backward outer passed described panel and be connected with described knee joint Wrap device;
One end of described second stay cord is fixed on described second reel, and the other end walks around that described second leading block is backward outer passed described panel and be connected with described knee joint Wrap device.
In a better embodiment of the present invention, between the upper surface of panel and described thigh support board, be also provided with device for measuring force; Described stay cord is also wrapped on described device for measuring force, and described device for measuring force measures the power on stay cord; Described device for measuring force is arranged on the rear side of described mounting seat; Described device for measuring force comprises:
At least one spring conductor rod, described spring conductor rod is horizontally disposed with, and its one end is fixed in described mounting seat, and the other end extends to the rear side of described mounting seat; The other end of described spring conductor rod is provided with stop part;
Dynamometry slide block, described dynamometry skid is set on described spring conductor rod, and described dynamometry slide block backstop is on the stop part of the described spring conductor rod other end; At least side of described dynamometry slide block is fixed with pointer, and the side of described thigh support board is provided with dynamometry groove, the other scale being provided with instruction power size of described dynamometry groove, and described pointer slides in described dynamometry groove;
At least one dynamometer spring, described dynamometer spring is set on described spring conductor rod, and one end of described dynamometer spring is pressed in described mounting seat, and the other end is pressed on described dynamometry slide block.
In a better embodiment of the present invention, mounting seat is provided with the first fixed pulley and the second fixed pulley, and the pivot center of described first fixed pulley and the second fixed pulley is vertically arranged;
The position of described first fixed pulley is corresponding with the position of described first reel, and the position of described second fixed pulley is corresponding with the position of described second reel;
Described dynamometry slide block is provided with the 3rd fixed pulley and the 4th fixed pulley, and the pivot center of described 3rd fixed pulley and the 4th fixed pulley is vertically arranged;
The position of described 3rd fixed pulley is corresponding with the position of described first fixed pulley, and the position of described 4th fixed pulley is corresponding with the position of described second fixed pulley;
Described thigh support board upper surface on rear side of described dynamometry slide block, the position corresponding with described 3rd fixed pulley and the 4th fixed pulley is respectively equipped with the first leading block and the second leading block, and the pivot center of described first leading block and described second leading block is horizontally disposed with.
In a better embodiment of the present invention, stay cord comprises the first stay cord and the second stay cord;
One end of described first stay cord is fixed on described first reel, unroll to described first fixed pulley to front side after the other end walks around described 3rd fixed pulley, to walk around after described first fixed pulley to rear side around to described first leading block, walk around that described first leading block is backward to be passed described panel and be connected with described knee joint Wrap device outward;
One end of described second stay cord is fixed on described second reel, unroll to described second fixed pulley to front side after the other end walks around described 4th fixed pulley, to walk around after described second fixed pulley to rear side around to described second leading block, walk around that described second leading block is backward to be passed described panel and be connected with described knee joint Wrap device outward.
In a better embodiment of the present invention, slideway base is fixed with on rear side of the upper surface of thigh support board, described slideway base is provided with slideway mounting groove, described slideway mounting groove internal fixtion is provided with slideway backing plate, described slideway backing plate upper surface is fixedly connected with described slideway, and described slideway is provided with chute;
The lower end of described ankle bearing is fixedly connected with slide block, and the both sides of described slide block are provided with tongue, and described tongue slides and embeds in described chute, and described skid is connected in described slideway.
In a better embodiment of the present invention, thigh support board comprises the first gripper shoe of front side and the second gripper shoe of rear side, and described second gripper shoe is hinged on the rear side of described first gripper shoe;
Between described first gripper shoe and the second gripper shoe, there is the using state be located along the same line, and the upper surface of the described first gripper shoe collapsed state that fasten relative to the upper surface of the second gripper shoe;
Described panel covers the upper surface being arranged on described first gripper shoe, between the upper surface that described mounting seat is fixedly installed on described first gripper shoe and described panel; Described dynamometry groove is located at the side of described first gripper shoe, and described first leading block and the second leading block are arranged on described first support plate upper surface;
Described slideway base is fixedly installed on the upper surface of described second gripper shoe;
Described panel is provided with near the position of the first gripper shoe and the second gripper shoe articulated section the through hole holding described ankle bearing.
In a better embodiment of the present invention, mounting seat is fixedly installed at least one bearing block along the axis direction of described first gear shaft, described first gear shaft is rotatably installed in described bearing block; Described mounting seat is also provided with base cover plate.
In a better embodiment of the present invention, spanner is ratchet spanner, and described ratchet spanner and described first gear shaft removably connect.
In a better embodiment of the present invention, the claw of ratchet first end is fastened between the gear teeth of described second gear.
In a better embodiment of the present invention, stay cord comprises the first stay cord and the second stay cord; Described thigh support board upper surface is respectively equipped with the first leading block and the second leading block, and the pivot center of described first leading block and described second leading block is horizontally disposed with;
One end of described first stay cord is fixed on described first reel, and the other end walks around that described first leading block is backward outer passed described panel and be connected with described knee joint Wrap device;
One end of described second stay cord is fixed on described second reel, and the other end walks around that described second leading block is backward outer passed described panel and be connected with described knee joint Wrap device.
From the above mentioned, training device for knee joint rehabilitation of the present invention is provided with gear train take-up device, and slideway slides arranges ankle bearing, the function of knee joint bending exercise and the exercise of knee joint straightening can be realized simultaneously, can be applied to power in knee joint by Non-follow control, structure is simple, easy to use.By arranging device for measuring force, the size of the power be applied in knee joint can be shown, use science more.Thigh support board is designed to first gripper shoe that can relatively fold and the second gripper shoe, is convenient for carrying.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1: be the explosive decomposition figure of training device for knee joint rehabilitation of the present invention.
Fig. 2: be the part-structure schematic perspective view of training device for knee joint rehabilitation of the present invention.
Fig. 3: be the integral outer schematic perspective view of training device for knee joint rehabilitation of the present invention.
Fig. 4: be the part-structure top view of training device for knee joint rehabilitation of the present invention.
Fig. 5: be the sectional view in A-A cross section in Fig. 4.
Fig. 6: be the schematic perspective view of ankle bearing and slideway in training device for knee joint rehabilitation of the present invention.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described.
As shown in Figure 1, Figure 2 and Figure 3, the invention provides a kind of training device for knee joint rehabilitation, this training device for knee joint rehabilitation comprises thigh support board, stay cord 103 and knee joint Wrap device, thigh support board is longitudinal extension along a straight line, see the instruction coordinate in Fig. 1, thigh support board is longitudinal extension along the x-axis direction, and y-axis direction passes perpendicularly through the both sides of thigh support board, and the direction of z-axis arrow indication is the upside of thigh support board.During use, the leg of trainer is placed in this thigh support board, and in the present embodiment, the side of thigh support board being placed thigh is front side, and the side of placing shank is rear side.Gear train take-up device, locking and releasing device are set on front side of the upper surface of thigh support board.In order to attractive in appearance and comfortable leg-supporting, installation one panel 106 on front side of the upper surface of thigh support board, can be covered, form a cavity between this panel 106 and upper surface of thigh support board, in cavity, be provided with gear train take-up device, locking and releasing device.Stay cord 103 can adopt steel wire rope, and one end of stay cord 103 is fixedly connected with gear train take-up device, and stay cord 103 can tighten up by gear train take-up device.The other end of stay cord 103 outwards passes panel 106 and is connected with knee joint Wrap device.If do not arrange panel 106, the other end of stay cord 103 stretches out and to be connected with knee joint Wrap device.Concrete, the other end of stay cord 103 is fixedly attached on the junction button 1081 in knee joint Wrap device, and junction button 1081 is also connected with adhesive tape 1082, and adhesive tape 1082 can stick in knee joint wrap 1083.Knee joint Wrap device is wrapped in the knee joint of trainer, the spanner 104 be connected with gear train take-up device is provided with in the side of thigh support board, spanner 104 driven gear group take-up device rotates, thus is tightened up by stay cord 103, and energy Non-follow control is applied to the power in knee joint; Stay cord 103 pulls knee joint Wrap device and the knee joint of trainer is compressed, and carries out the training of knee joint straightening.Locking and releasing device gear train take-up device is carried out locking or discharging, stopping power being applied to spanner 104 in, by lock and releasing device keep or release stay cord 103 on power.Be fixed with a slideway 1023 on rear side of the upper surface of thigh support board, slideway 1023 slides arranges an ankle bearing 107.Ankle is placed on ankle bearing 107 by trainer, and firmly bend knee gently, ankle bearing 107 slides on slideway 1023, carries out bending training to knee.
Further, fix a mounting seat 201 on front side of the upper surface of thigh support board, mounting seat 201 is between panel 106 and the upper surface of thigh support board, and gear train take-up device is arranged in mounting seat 201.Concrete, as shown in Figure 2 and Figure 5, gear train take-up device comprises one first gear shaft 2015, the axis horizontal of the first gear shaft 2015 and rotate and be arranged in mounting seat 201, the side in thigh support board is exposed at least one end of first gear shaft 2015, and be connected with spanner 104, driven by spanner 104 and rotate; Spanner 104 can be back-up wrench, also can be ratchet spanner, and present embodiment adopts ratchet spanner, and spanner 104 and the first gear shaft 2015 removably connect.First gear 20151 be coaxially fixed on the first gear shaft 2015 with the first gear shaft 2015 synchronous axial system.Second gear 20111 is coaxially fixed on one second gear shaft 2011, and the axis vertical of the second gear shaft 2011 and rotating is arranged in mounting seat 201.First reel 20141 is coaxially fixedly connected with the second gear 20111, with the second gear 20111 synchronous axial system.3rd gear shaft 2012 is between the first gear shaft 2015 and the second gear shaft 2011, and the axis vertical of the 3rd gear shaft 2012 and rotating is arranged in mounting seat 201.3rd gear shaft 2012 is coaxially fixed with one the 3rd gear 20121 and one the 4th gear the 20122, three gear 20121 engages with the first gear 20151, the 4th gear 20122 engages with the second gear 20111.5th gear 20131 is coaxially fixed on one the 4th gear shaft 2013, and the axis vertical of the 4th gear shaft 2013 and rotating is arranged in mounting seat 201.5th gear 20131 engages with the second gear 20111.Second reel 20142 is coaxially fixedly connected with the 5th gear 20131, with the 5th gear 20131 synchronous axial system.Or in another enforceable mounting means, the second gear 20111 coaxial rotation is set on the second gear shaft 2011, the axis vertical of the second gear shaft 2011 and being fixedly installed in mounting seat 201.The axis vertical of the 3rd gear shaft 2012 and be fixedly installed in mounting seat 201, sheathed 3rd gear 20121 of coaxial rotation and make both synchronous axial system by being fixedly connected with measure between the 4th gear the 20122, three gear 20121 and the 4th gear 20122 on 3rd gear shaft 2012.5th gear 20131 coaxial rotation is set on the 4th gear shaft 2013, the axis vertical of the 4th gear shaft 2013 and being fixedly installed in mounting seat 201.Wherein, the axial location of the second gear 20111 on the second gear shaft 2011,3rd gear 20121 and the axial location of the 4th gear 20122 on the 3rd gear shaft 2012, and the axial location of the 5th gear 20131 on the 4th gear shaft 2013, the conventional measures such as the shaft shoulder, sleeve, packing ring can be adopted.Above two kinds of different embodiments are in order to each gear and the mounting means of gear shaft in mounting seat 201 are described; and non-limiting protection scope of the present invention; the mounting means of gear and gear shaft is the technological means that this area is commonly used, even if adopt other mounting means also to fall into protection scope of the present invention.Wherein the first gear 20151 and the 3rd gear 20121 are helical gear, and the second gear 20111, the 4th gear 20122 and the 5th gear 20131 can adopt spur gear.
Spanner 104 drives the first gear shaft 2015 and the first gear 20151 synchronous axial system, the 3rd gear 20121 engaged with the first gear 20151 rotates, drive the 4th coaxial gear 20122 synchronous axial system simultaneously, 4th gear 20122 drives the second gear 20111 to rotate, and the 5th gear 20131 engaged with the second gear 20111 and the second gear 20111 relatively rotate.The first reel 20141 be fixedly connected with the 5th gear 20131 with the second gear 20111 respectively and the second reel 20142 relatively rotate.
In an alternative embodiment, can remove plaing the 3rd gear shaft 2012 of intermediate transmission effect and upper co-axially fixed 3rd gear 20121 and the 4th gear 20122 thereof, first gear 20151 directly engages with the second gear 20111, the second gear 20111 and the first reel 20141 is driven to rotate, second gear 20111 drives the 5th gear 20131 engaged with it to relatively rotate, thus the first reel 20141 and the second reel 20142 relatively rotate.Wherein, the first gear 20151, second gear 20111 and the 5th gear 20131 all adopt helical gear.Each gear and the mounting means of gear shaft in mounting seat 201 identical with embodiment above, do not repeat them here.
Further, mounting seat 201 is fixedly installed at least one bearing block 2016, first gear shaft 2015 along the axis direction of the first gear shaft 2015 to be rotatably installed in bearing block 2016.Mounting seat 201 is also provided with base cover plate 202, part in mounting seat 201 shelters from by base cover plate 202, base cover plate 202 can also play the effect of axial location gear, and the gear that namely pivot center is vertically arranged is clipped between mounting seat 201 and base cover plate 202 and carries out axial location.
Further, locking and releasing device are arranged in mounting seat 201, concrete, and locking and releasing device comprise a ratchet 20171, and ratchet 20171 rotates and is arranged on a pawl axis 2017, the axis vertical of pawl axis 2017 and being fixed in mounting seat 201.Ratchet 20171 has first end and the second end, and first end is provided with claw, and pawl axis 2017 is between the first end and the second end of ratchet 20171.Torsion spring 20172 is set in a torsion axis (not shown), the axis vertical of torsion axis and being fixed in mounting seat 201.Torsion spring 20172 has the first external part 20173 and the second external part 20174, as shown in Figure 4, first external part 20173 is pressed on the first end of ratchet 20171, and the claw of first end is fastened between the gear teeth of any one gear in gear train take-up device, prevents this gear from reversing.Second external part 20174 is pressed on a fixed axis 20175, the axis vertical of fixed axis 20175 and being fixed in described mounting seat.In the present embodiment, the claw of ratchet 20171 first end is fastened between the gear teeth of the second gear 20111, prevents the second gear 20111 from producing reversion.
The axis horizontal of release rotating shaft 20181 and rotate and be arranged in mounting seat 201, side in thigh support board is exposed at least one end of release rotating shaft 20181, and is fixedly connected with a release lever 2018, is driven rotate by release lever 2018.Release rotating shaft 20181 is fixed with the arc bump 20182 protruding from axial plane, the position of arc bump 20182 is corresponding with the second end of ratchet 20171, rotate release lever 2018, release rotating shaft 20181 is driven to rotate, arc bump 20182 rotates with release rotating shaft 20181 and compresses the second end of ratchet 20171 gradually, due to leverage, ratchet 20171 is made to overcome the pressure rotary of torsion spring 20172, the claw of ratchet 20171 is separated with engaged gear, thus release gear train take-up device.
Further, stay cord 103 comprises the first stay cord and the second stay cord.Do not arranging in the embodiment of device for measuring force, the pivot center that thigh support board upper surface is provided with the first leading block 10121 and the second leading block 10122, two leading blocks respectively by bearing is horizontally disposed with.One end of first stay cord is fixed on the first reel 20141, and the other end walks around that the first leading block 10121 is backward outer passed panel 106 and be connected with knee joint Wrap device.One end of second stay cord is fixed on the second reel 20142, and the other end walks around that the second leading block 10122 is backward outer passed panel 106 and be connected with knee joint Wrap device.First stay cord, the second stay cord and the first leading block 10121 and the second leading block 10122 are symmetricly set in thigh support board, first stay cord, the second stay cord are under the first reel 20141 and the second reel 20142 drive in relative rotation, be wrapped on the first reel 20141 and the second reel 20142 respectively, strain knee joint Wrap device simultaneously and carry out straightening training.By rotating the power release that release lever 2018 will apply after training terminates.
Further, a device for measuring force is also provided with in the cavity between panel 106 and the upper surface of thigh support board; Stay cord 103 is also wrapped on device for measuring force, is measured and shows the power that stay cord 103 applies, use science more by device for measuring force.Device for measuring force is arranged on the rear side of mounting seat 201, concrete, device for measuring force comprises at least one spring conductor rod 1053, spring conductor rod 1053 is horizontally disposed with, its one end is fixed in mounting seat 201, the other end longitudinally extending to the rear side of mounting seat 201 along thigh support board, the other end of spring conductor rod 1053 is provided with a stop part, and such as fixed cover is located at the stop tab of spring conductor rod 1053 other end.Dynamometry slide block 1051 is slidably located on spring conductor rod 1053, and dynamometry slide block 1051 is by the other end of stop tab backstop at spring conductor rod 1053.Dynamometry slide block 1051 is the slide block of cuboid, along the horizontally set of thigh support board, the at least side of dynamometry slide block 1051 is fixed with a pointer 1055, pointer 1055 extends to the side of thigh support board, the side of thigh support board is provided with dynamometry groove 1011, the other scale being provided with instruction power size of dynamometry groove 1011, pointer 1055 slides in dynamometry groove 1011, the size of instruction power.At least one dynamometer spring 1054 is set on spring conductor rod 1053, and one end of dynamometer spring 1054 is pressed in mounting seat 201, and the other end is pressed on dynamometry slide block 1051.In the present embodiment, spring conductor rod 1053 and dynamometer spring 1054 are 3, and spring parameter is: 7 circles, number of active coils 5, pitch 8.5mm, string diameter 1.2mm, diameter 10mm, overall length 60.7mm, the maximum load of single dynamometer spring 1054 is 176.67N, the full payload of three dynamometer springs 1054 is 530N, the scope measured is very large, can meet user demand, and the strength of gradual change all can show, strength according to the user demand of oneself, can be adjusted to the best by patient.
Further, in the embodiment being provided with device for measuring force, the pivot center that mounting seat 201 is provided with the first fixed pulley 10521 and the second fixed pulley 10522, first fixed pulley 10521 and the second fixed pulley 10522 is vertically arranged.The position of the first fixed pulley 10521 is corresponding with the position of the first reel 20141, and the position of the second fixed pulley 10522 is corresponding with the position of the second reel 20142.The pivot center that dynamometry slide block 1051 is provided with the 3rd fixed pulley 10511 and the 4th fixed pulley the 10512, three fixed pulley and the 4th fixed pulley is vertically arranged.The position of the 3rd fixed pulley 10511 is corresponding with the position of the first fixed pulley 10521, and the position of the 4th fixed pulley 10512 is corresponding with the position of the second fixed pulley 10522.
Thigh support board upper surface on rear side of dynamometry slide block 1051, the pivot center that the position corresponding with the 3rd fixed pulley 10511 and the 4th fixed pulley 10512 is respectively equipped with the first leading block 10121 and the second leading block 10122, two leading blocks is horizontally disposed with.One end of first stay cord is fixed on the first reel 20141, unroll to front side to the first fixed pulley 10521 after the other end walks around the 3rd fixed pulley 10511, to walk around after the first fixed pulley 10521 to rear side around to the first leading block 10121, walk around that the first leading block 10121 is backward to be passed panel 106 and be connected with knee joint Wrap device outward.One end of second stay cord is fixed on the second reel 20142, unroll to front side to the second fixed pulley 10522 after the other end walks around the 4th fixed pulley 10512, to walk around after the second fixed pulley 10522 to rear side around to the second leading block 10122, walk around that the second leading block 10122 is backward to be passed panel 106 and be connected with knee joint Wrap device outward.The power be applied on the first stay cord and the second stay cord is delivered on dynamometry slide block 1051 by four fixed pulleys, and the power making dynamometry slide block 1051 overcome dynamometer spring 1054 moves to mounting seat 201, is shown the size of power by pointer 1055.After rotation release lever 2018, the restoring force of dynamometer spring 1054 makes dynamometry slide block 1051 be returned to initial position, by the power release on stay cord.
Further, as shown in figures 1 to 6, a slideway base 1021 is fixed with on rear side of the upper surface of thigh support board, slideway base 1021 is provided with a slideway mounting groove 10211, slideway mounting groove 10211 internal fixtion is provided with a slideway backing plate 1022, the bottom of slideway mounting groove 10211 is penetrating, and slideway backing plate 1022 is directly fixed on rear side of the upper surface of thigh support board by screw; Or the bottom of slideway mounting groove 10211 is not penetrating, and slideway backing plate 1022 is fixed by screws in the bottom of slideway mounting groove 10211.Slideway backing plate 1022 upper surface is fixedly connected with slideway 1023 by screw, and slideway 1023 is provided with a chute.The lower end of ankle bearing 107 is fixedly connected with a slide block 1024, and the both sides of slide block 1024 are provided with tongue 10241, and tongue 10241 slides and embeds in chute, and slide block 1024 is slidably connected in slideway 1023.
Further, thigh support board is provided with the rear side that the first gripper shoe 101 of front side and the second gripper shoe 102, second gripper shoe 102 of rear side are hinged on the first gripper shoe 101.Panel 106 covers the upper surface being arranged on the first gripper shoe 101, between first gripper shoe 101 and the second gripper shoe 102, there is the using state be located along the same line, and the upper surface of the first gripper shoe 101 collapsed state that fasten relative to the upper surface of the second gripper shoe 102.Between the upper surface that mounting seat 201 is fixed by screws in the first gripper shoe 101 and panel 106; Dynamometry groove 1011 is located at the side of the first gripper shoe 101, and the first leading block 10121 and the second leading block 10122 are arranged on the first gripper shoe 101 upper surface.Slideway base 1021 is fixedly installed on the upper surface of the second gripper shoe 102, or slideway backing plate 1022 is directly fixed on the second gripper shoe 102 upper surface by screw.On panel 106, the position of close first gripper shoe 101 and the second gripper shoe 102 articulated section is provided with the through hole 1061 of an accommodation ankle bearing 107.In collapsed state, parts are wherein fastened between the two by the first gripper shoe 101 and the second gripper shoe 102, and ankle bearing 107 extend in the through hole 1061 on panel 106, convenient for collecting and carrying.
When patient uses, thigh is positioned in the first gripper shoe 101, and shank is positioned in the second gripper shoe 102, is wrapped on knee by knee joint wrap 1083, and rotating ratchet spanner 104 can pull knee joint wrap 1083 vertically downward, completes the training of knee joint straightening.Rotating release lever 2018 can drive release rotating shaft 20181 to rotate, release rotating shaft 20181 drives arc bump 20182 to press the second end of ratchet 20171, the elastic force making ratchet 20171 overcome torsion spring 20172 rotates around pawl axis 2017, and then ratchet 20171 is separated with the second gear 20111.Now dynamometer spring 1054 restores to the original state automatically, and drive all gears all to reverse, steel wire rope 103 no longer executes pulling force to knee joint wrap 1083 simultaneously, and the training of knee joint straightening terminates.When carrying out bending training, thigh is positioned in the first gripper shoe 101, and ankle is equipped on ankle bearing 107, exerts oneself gently, and ankle can be made to move along slideway 1023, and then completes kneed bending training.
From the above mentioned, build of the present invention is light, is easy to carry, with low cost, and more use selection for patient brings, function is more, easy to use.Only can complete all items in rehabilitation training by patient people, decrease the burden of household, use rear rehabilitation action more specification, science, can prevent patient from leaving sequela.
The foregoing is only the schematic detailed description of the invention of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present invention and principle and amendment, all should belong to the scope of protection of the invention.
Claims (14)
1. a training device for knee joint rehabilitation, described training device for knee joint rehabilitation comprises thigh support board, stay cord and knee joint Wrap device, described thigh support board longitudinal extension along a straight line, it is characterized in that, on front side of the upper surface of described thigh support board, be provided with gear train take-up device, locking and releasing device;
One end of described stay cord is fixedly connected with described gear train take-up device, and described stay cord can tighten up by described gear train take-up device;
The other end of described stay cord stretches out and is connected with described knee joint Wrap device;
The side of described thigh support board is provided with the spanner be connected with described gear train take-up device, and described spanner drives described gear train take-up device to rotate, thus is tightened up by described stay cord;
Described gear train take-up device carries out locking or discharging by described locking and releasing device, thus the power keeping or discharge on described stay cord;
Be fixed with slideway on rear side of the upper surface of described thigh support board, described slideway slides arranges ankle bearing.
2. training device for knee joint rehabilitation as claimed in claim 1, it is characterized in that, cover on front side of the upper surface of described thigh support board and panel is installed, be installed with mounting seat between the upper surface of described panel and described thigh support board, described gear train take-up device is arranged in described mounting seat;
Described gear train take-up device comprises:
First gear shaft, the axis horizontal of described first gear shaft and rotate and be arranged in described mounting seat, at least one end of described first gear shaft is exposed in the side of described thigh support board, and is connected with described spanner, is driven rotate by described spanner;
First gear, described first gear be coaxially fixed on described first gear shaft with described first gear shaft synchronous axial system;
Second gear, described second gear is coaxially arranged on the second gear shaft, the axis vertical of described second gear shaft and be arranged in described mounting seat;
First reel, described first reel is coaxially fixedly connected with described second gear, and rotates with described second gear synchronous;
3rd gear shaft, described 3rd gear shaft between described first gear shaft and the second gear shaft, the axis vertical of described 3rd gear shaft and be arranged in described mounting seat; Described 3rd gear shaft is coaxially arranged with the 3rd gear and the 4th gear, described 3rd gear and described 4th gear synchronous rotate, and described 3rd gear and described first gears meshing, described 4th gear and described second gears meshing;
5th gear, described 5th gear is coaxially arranged on the 4th gear shaft, the axis vertical of described 4th gear shaft and be arranged in described mounting seat; Described 5th gear and described second gears meshing;
Second reel, described second reel is coaxially fixedly connected with described 5th gear, and rotates with described 5th gear synchronous.
3. training device for knee joint rehabilitation as claimed in claim 1, it is characterized in that, cover on front side of the upper surface of described thigh support board and panel is installed, be installed with mounting seat between the upper surface of described panel and described thigh support board, described gear train take-up device is arranged in described mounting seat;
Described gear train take-up device comprises:
First gear shaft, the axis horizontal of described first gear shaft and rotate and be arranged in described mounting seat, at least one end of described first gear shaft is exposed in the side of described thigh support board, and is connected with described spanner, is driven rotate by described spanner;
First gear, described first gear be coaxially fixed on described first gear shaft with described first gear shaft synchronous axial system;
Second gear, described second gear is coaxially arranged on the second gear shaft, the axis vertical of described second gear shaft and be arranged in described mounting seat; Described second gear and described first gears meshing;
First reel, described first reel is coaxially fixedly connected with described second gear, and rotates with described second gear synchronous;
5th gear, described 5th gear is coaxially arranged on the 4th gear shaft, the axis vertical of described 4th gear shaft and be arranged in described mounting seat; Described 5th gear and described second gears meshing;
Second reel, described second reel is coaxially fixedly connected with described 5th gear, and rotates with described 5th gear synchronous.
4. training device for knee joint rehabilitation as claimed in claim 2 or claim 3, it is characterized in that, described locking and releasing device are arranged in described mounting seat;
Described locking and releasing device comprise:
Ratchet, described ratchet rotates and is arranged on pawl axis, the axis vertical of described pawl axis and be fixed in described mounting seat; Described ratchet has first end and the second end, and described first end is provided with claw, and described pawl axis is between the first end and the second end of described ratchet;
Torsion spring, described torsion spring set is located on torsion axis, the axis vertical of described torsion axis and be fixed in described mounting seat; Described torsion spring has the first external part and the second external part, and described first external part is pressed on the first end of described ratchet, the claw of described first end is fastened between the gear teeth of any one gear in described gear train take-up device, prevents this gear from reversing; Described second external part is pressed on fixed axis, the axis vertical of described fixed axis and be fixed in described mounting seat;
Release rotating shaft, the axis horizontal of described release rotating shaft and rotate and be arranged in described mounting seat, at least one end of described release rotating shaft is exposed in the side of described thigh support board, and is fixedly connected with release lever, is driven rotate by described release lever; Described release rotating shaft is fixed with the arc bump protruding from axial plane, and the position of described arc bump is corresponding with the second end of described ratchet; Described arc bump rotates with described release rotating shaft and compresses the second end of described ratchet gradually, and make described ratchet overcome the pressure rotary of described torsion spring, the claw of described ratchet is separated with engaged gear.
5. training device for knee joint rehabilitation as claimed in claim 4, it is characterized in that, described stay cord comprises the first stay cord and the second stay cord; Described thigh support board upper surface is respectively equipped with the first leading block and the second leading block, and the pivot center of described first leading block and described second leading block is horizontally disposed with;
One end of described first stay cord is fixed on described first reel, and the other end walks around that described first leading block is backward outer passed described panel and be connected with described knee joint Wrap device;
One end of described second stay cord is fixed on described second reel, and the other end walks around that described second leading block is backward outer passed described panel and be connected with described knee joint Wrap device.
6. training device for knee joint rehabilitation as claimed in claim 4, is characterized in that, be also provided with device for measuring force between the upper surface of described panel and described thigh support board; Described stay cord is also wrapped on described device for measuring force, and described device for measuring force measures the power on stay cord; Described device for measuring force is arranged on the rear side of described mounting seat; Described device for measuring force comprises:
At least one spring conductor rod, described spring conductor rod is horizontally disposed with, and its one end is fixed in described mounting seat, and the other end extends to the rear side of described mounting seat; The other end of described spring conductor rod is provided with stop part;
Dynamometry slide block, described dynamometry skid is set on described spring conductor rod, and described dynamometry slide block backstop is on the stop part of the described spring conductor rod other end; At least side of described dynamometry slide block is fixed with pointer, and the side of described thigh support board is provided with dynamometry groove, the other scale being provided with instruction power size of described dynamometry groove, and described pointer slides in described dynamometry groove;
At least one dynamometer spring, described dynamometer spring is set on described spring conductor rod, and one end of described dynamometer spring is pressed in described mounting seat, and the other end is pressed on described dynamometry slide block.
7. training device for knee joint rehabilitation as claimed in claim 6, it is characterized in that, described mounting seat is provided with the first fixed pulley and the second fixed pulley, and the pivot center of described first fixed pulley and the second fixed pulley is vertically arranged;
The position of described first fixed pulley is corresponding with the position of described first reel, and the position of described second fixed pulley is corresponding with the position of described second reel;
Described dynamometry slide block is provided with the 3rd fixed pulley and the 4th fixed pulley, and the pivot center of described 3rd fixed pulley and the 4th fixed pulley is vertically arranged;
The position of described 3rd fixed pulley is corresponding with the position of described first fixed pulley, and the position of described 4th fixed pulley is corresponding with the position of described second fixed pulley;
Described thigh support board upper surface on rear side of described dynamometry slide block, the position corresponding with described 3rd fixed pulley and the 4th fixed pulley is respectively equipped with the first leading block and the second leading block, and the pivot center of described first leading block and described second leading block is horizontally disposed with.
8. training device for knee joint rehabilitation as claimed in claim 7, it is characterized in that, described stay cord comprises the first stay cord and the second stay cord;
One end of described first stay cord is fixed on described first reel, unroll to described first fixed pulley to front side after the other end walks around described 3rd fixed pulley, to walk around after described first fixed pulley to rear side around to described first leading block, walk around that described first leading block is backward to be passed described panel and be connected with described knee joint Wrap device outward;
One end of described second stay cord is fixed on described second reel, unroll to described second fixed pulley to front side after the other end walks around described 4th fixed pulley, to walk around after described second fixed pulley to rear side around to described second leading block, walk around that described second leading block is backward to be passed described panel and be connected with described knee joint Wrap device outward.
9. training device for knee joint rehabilitation as claimed in claim 8, it is characterized in that, slideway base is fixed with on rear side of the upper surface of described thigh support board, described slideway base is provided with slideway mounting groove, described slideway mounting groove internal fixtion is provided with slideway backing plate, described slideway backing plate upper surface is fixedly connected with described slideway, and described slideway is provided with chute;
The lower end of described ankle bearing is fixedly connected with slide block, and the both sides of described slide block are provided with tongue, and described tongue slides and embeds in described chute, and described skid is connected in described slideway.
10. training device for knee joint rehabilitation as claimed in claim 9, is characterized in that, described thigh support board comprises the first gripper shoe of front side and the second gripper shoe of rear side, and described second gripper shoe is hinged on the rear side of described first gripper shoe;
Between described first gripper shoe and the second gripper shoe, there is the using state be located along the same line, and the upper surface of the described first gripper shoe collapsed state that fasten relative to the upper surface of the second gripper shoe;
Described panel covers the upper surface being arranged on described first gripper shoe, between the upper surface that described mounting seat is fixedly installed on described first gripper shoe and described panel; Described dynamometry groove is located at the side of described first gripper shoe, and described first leading block and the second leading block are arranged on described first support plate upper surface;
Described slideway base is fixedly installed on the upper surface of described second gripper shoe;
Described panel is provided with near the position of the first gripper shoe and the second gripper shoe articulated section the through hole holding described ankle bearing.
11. training device for knee joint rehabilitations as claimed in claim 10, is characterized in that, described mounting seat is fixedly installed at least one bearing block along the axis direction of described first gear shaft, and described first gear shaft is rotatably installed in described bearing block; Described mounting seat is also provided with base cover plate.
12. training device for knee joint rehabilitations as claimed in claim 11, it is characterized in that, described spanner is ratchet spanner, and described ratchet spanner and described first gear shaft removably connect.
13. training device for knee joint rehabilitations as claimed in claim 4, is characterized in that, the claw of described ratchet first end is fastened between the gear teeth of described second gear.
14. training device for knee joint rehabilitations as claimed in claim 13, it is characterized in that, described stay cord comprises the first stay cord and the second stay cord; Described thigh support board upper surface is respectively equipped with the first leading block and the second leading block, and the pivot center of described first leading block and described second leading block is horizontally disposed with;
One end of described first stay cord is fixed on described first reel, and the other end walks around that described first leading block is backward outer passed described panel and be connected with described knee joint Wrap device;
One end of described second stay cord is fixed on described second reel, and the other end walks around that described second leading block is backward outer passed described panel and be connected with described knee joint Wrap device.
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| CN201510390508.1A CN105055119B (en) | 2015-07-06 | 2015-07-06 | Knee joint rehabilitation trainer |
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| CN201510390508.1A CN105055119B (en) | 2015-07-06 | 2015-07-06 | Knee joint rehabilitation trainer |
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| CN105748136A (en) * | 2016-04-12 | 2016-07-13 | 王建庆 | Patient-selectable arthroplasty device |
| CN105796284A (en) * | 2016-04-27 | 2016-07-27 | 东莞市旭特机器人股份有限公司 | Intelligent knee joint training instrument |
| CN107126348A (en) * | 2017-03-31 | 2017-09-05 | 清华大学 | A kind of accurate passive knee ankle-joint coupling lower limb exoskeleton and its control method |
| CN107951677A (en) * | 2017-12-18 | 2018-04-24 | 深圳市人民医院 | A kind of knee-joint rehabilitation training device |
| CN109091349A (en) * | 2018-06-08 | 2018-12-28 | 沈义琪 | A kind of leg knee endoprosthesis recovery exercising apparatus |
| CN111449928A (en) * | 2020-04-01 | 2020-07-28 | 吴思昆 | Electric massager |
| CN113230046A (en) * | 2021-03-23 | 2021-08-10 | 安徽医科大学第一附属医院 | Knee joint rehabilitation training device |
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| CN105055119B (en) | 2017-03-22 |
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