Disclosure of Invention
The invention aims to provide a prosthesis which is convenient for the disabled to walk so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an artificial limb convenient for the disabled to walk comprises a machine body, wherein an opening cavity with a downward opening is formed in the machine body, a power device convenient for the disabled to move and convenient for the disabled to go upstairs is arranged in the opening cavity, the power device comprises a damping block slidably installed in the opening cavity, a damping spring is connected between the damping block and the opening cavity, a base is fixedly arranged on the bottom surface of the damping block, a power cavity with a downward opening is formed in the base, a power motor is fixedly arranged on the left side wall of the power cavity, a wheel shaft rotatably connected with the right side wall of the power cavity is in power connection in the power motor, wheels used for driving the machine body to move are fixedly arranged on the wheel shaft in a bilateral symmetry mode, a support is fixedly arranged on the top surface of the base, a pull handle is fixedly arranged on the left side surface of the support, and a supporting block used for supporting the armpit is fixedly arranged on, the top surface of organism is equipped with the ascending fixed space of opening, the bottom in fixed space is equipped with the drive chamber, be equipped with drive arrangement in the drive chamber, the right side wall in drive chamber be equipped with the communicating grooving of fixed space, still be equipped with the fixing device of fixed people's leg through drive arrangement control in the fixed space.
On the basis of the technical scheme, drive arrangement includes fixed mounting and is in the driving motor of drive chamber diapire, power connection in the driving motor with the side wall rotates the spline housing of connecting about the drive chamber, spline connection in the spline housing with drive chamber roof with the integral key shaft that the fixed space diapire rotated the connection, the right side wall of integral key shaft is equipped with the opening adjustment tank right, the winding wheel has set firmly on the spline housing, the diapire sliding connection of fixed space have can with adjustment tank sliding connection's fixed block, the fixed block with be connected with the little spring between the fixed space, the fixed block with be connected with the rope between the winding wheel.
On the basis of the technical scheme, the fixing device comprises an installation block which is rotatably installed on the top side of the spline shaft, a connecting spring is connected between the installation block and a fixed space, a rotating cavity is arranged in the installation block, the spline shaft is rotatably connected with the bottom wall of the rotating cavity, a top plate is fixedly arranged on the top surface of the spline shaft, an oval cavity with an upward opening is arranged on the top surface of the top plate, communicating cavities are symmetrically arranged on the left side wall and the right side wall of the rotating cavity, the rotating cavity is communicated between the communicating cavities, a clamping block is slidably connected in the communicating cavity, a clamping block spring is connected between the clamping block and the communicating cavity, a small sliding block which is slidably connected with the oval cavity is fixedly arranged on the bottom surface of the clamping block, a linkage plate is slidably connected in the rotating cavity, a reset spring is connected between the linkage plate and the rotating cavity, and lifting racks which are slidably connected with the top wall of, the top surface of interlock board still set firmly with rotate the chamber roof with installation piece top surface sliding connection's depression bar, the top surface of depression bar has set firmly the kicking block, the leading flank bilateral symmetry of installation piece rotates and is connected with the gear shaft, every the rear side of gear shaft has set firmly splint respectively, a side of splint has set firmly the silica gel pad, the front side of gear shaft set firmly can with the pinion of lifting rack meshing.
On the basis of the technical scheme, the elastic force of the damping spring is slightly larger than the body weight of a person.
On the basis of the technical scheme, one side surface of the clamping block is a trapezoidal surface, and when the linkage plate moves downwards, the clamping block can be pushed towards the left side and the right side.
In conclusion, the beneficial effects of the invention are as follows: this device can be for the disabled person dress artificial limb, compares in traditional artificial limb, and this device can pass through the wheel, and the auxiliary disabled person that drives removes to having saved the disabled person because physical power when going out to walk, this device can make things convenient for people to go upstairs and downstairs simultaneously, and this device can come height-adjusting according to people's height simultaneously, makes the commonality of this device can obtain increasing, and this device fixes people's shank through the rubber cushion simultaneously, makes the travelling comfort of this device can obtain increasing.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features and/or steps are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: a prosthesis convenient for the disabled to walk comprises a body 21, wherein an open cavity 33 with a downward opening is formed in the body 21, a power device 101 convenient for the disabled to move and go upstairs is arranged in the open cavity 33, the power device 101 comprises a damping block 32 slidably mounted in the open cavity 33, a damping spring 34 is connected between the damping block 32 and the open cavity 33, a base 31 is fixedly arranged on the bottom surface of the damping block 32, a power cavity 30 with a downward opening is formed in the base 31, a power motor 27 is fixedly arranged on the left side wall of the power cavity 30, a wheel shaft 28 rotatably connected with the right side wall of the power cavity 30 is dynamically connected in the power motor 27, wheels 29 used for driving the body 21 to move are fixedly arranged on the wheel shaft 28 in a left-right symmetry manner, a support 26 is fixedly arranged on the top surface of the base 31, and a pull handle 25 is fixedly arranged on the left side surface of the support 26, the top surface of the bracket 26 is fixedly provided with a supporting block 24 for supporting the armpit, the top surface of the machine body 21 is provided with a fixing space 23 with an upward opening, the bottom of the fixing space 23 is provided with a driving cavity 61, a driving device 102 is arranged in the driving cavity 61, the right side wall of the driving cavity 61 is provided with a rope groove 59 communicated with the fixing space 23, and the fixing space 23 is also provided with a fixing device 103 for fixing the legs of a person, which is controlled by the driving device 102.
In addition, in one embodiment, the driving device 102 includes a driving motor 35 fixedly installed on the bottom wall of the driving chamber 61, a spline housing 54 rotatably connected to the upper and lower side walls of the driving chamber 61 is power-connected to the driving motor 35, a spline shaft 56 rotatably connected to the top wall of the driving chamber 61 and the bottom wall of the fixing space 23 is spline-connected to the spline housing 54, an adjusting groove 71 with a right opening is formed on the right side wall of the spline shaft 56, a winding wheel 53 is fixedly installed on the spline housing 54, a fixing block 57 slidably connected to the adjusting groove 71 is slidably connected to the bottom wall of the fixing space 23, a small spring 58 is connected between the fixing block 57 and the fixing space 23, and a rope 60 is connected between the fixing block 57 and the winding wheel 53, so as to drive the winding wheel 53, the spline housing 54 to rotate, The spline shaft 56 rotates, so that the fixing block 57 is pulled to the right by the rope 60, so that the fixing block 57 is disengaged from the adjustment groove 71.
In addition, in one embodiment, the fixing device 103 includes an installation block 70 rotatably installed on the top side of the spline shaft 56, a connection spring 55 is connected between the installation block 70 and the fixing space 23, a rotation cavity 49 is provided in the installation block 70, the spline shaft 56 is rotatably connected with the bottom wall of the rotation cavity 49, a top plate 47 is fixedly installed on the top surface of the spline shaft 56, an oval cavity 46 with an upward opening is provided on the top surface of the top plate 47, communication cavities 52 are symmetrically provided on the left and right side walls of the rotation cavity 49, a rotation cavity 51 is communicated between the communication cavities 52, a latch 44 is slidably connected in the communication cavity 52, a latch spring 45 is connected between the latch 44 and the communication cavity 52, a small slider 50 slidably connected with the oval cavity 46 is fixedly installed on the bottom surface of the latch 44, a linkage plate 43 is slidably connected in the rotation cavity 51, and a return spring 48 is connected between the linkage plate 43 and the rotation cavity 51, the top surface of the linkage plate 43 is bilaterally symmetrically and fixedly provided with lifting racks 39 which are in sliding connection with the top wall of the rotating cavity 51, the top surface of the linkage plate 43 is further fixedly provided with pressure levers 41 which are in sliding connection with the top wall of the rotating cavity 51 and the top surface of the mounting block 70, the top surface of the pressure levers 41 is fixedly provided with top blocks 40, the front side surface of the mounting block 70 is bilaterally symmetrically and rotatably connected with gear shafts 38, the rear side of each gear shaft 38 is respectively and fixedly provided with a clamping plate 37, one side surface of each clamping plate 37 is fixedly provided with a silica gel pad 22, the front side of each gear shaft 38 is fixedly provided with a pinion 36 which can be meshed with the lifting racks 39, so that when thighs of disabled people are inserted into the fixing space 23, the top blocks 40 are driven to move downwards, the pressure levers 41, the linkage plate 43 and the lifting racks 39 move downwards, and the gear shafts 38, the pinions, therefore, the thigh part of the disabled is clamped tightly through the silica gel pad 22, and then the interlocking plate 43 drives the clamping block 44 to push towards the left side and the right side, so that the interlocking plate 43 is clamped tightly through the clamping block 44.
In addition, in one embodiment, the damping spring 34 has a spring force slightly greater than the weight of the person.
In addition, in one embodiment, a side surface of the latch 44 is a trapezoidal surface, and when the linking plate 43 moves downward, the latch 44 can be pushed to the left and right sides.
In the initial state, the top block 40 is located at the topmost side.
When the body 21 needs to be worn, the driving motor 35 is turned on reversely, so as to drive the spline housing 54 and the winding wheel 53 to rotate, thereby moving the fixing block 57 to the right, so that the fixing block 57 is separated from the adjusting groove 71, the mounting block 70 is then manually pressed down, thereby causing the mounting block 70 to move down to the appropriate height, then, the driving motor 35 is turned on in the forward direction, so that the fixing block 57 is reset, thereby allowing the fixing block 57 to be re-caught in the adjustment groove 71, then the disabled person inserts the thigh into the fixing space 23, and drives the top block 40 to move downwards, so that the pressing rod 41, the linkage plate 43 and the lifting rack 39 move downwards, thereby driving the gear shaft 38, the pinion 36 and the clamping plate 37 to rotate, thereby clamping the thigh part of the disabled person through the silicone pad 22, then the interlocking plate 43 drives the clamping blocks 44 to push towards the left side and the right side, so that the interlocking plate 43 is clamped through the clamping blocks 44;
when walking is needed, the disabled person grasps the handle 25 by hand, then clamps the supporting block 24 by armpit, opens the power motor 27, drives the wheel shaft 28 and the wheel 29 to rotate, and drives the machine body 21 to move forward and backward, and when going upstairs is needed, closes the power motor 27, and grasps the handle 25 by hand to lift upwards;
when the machine body 21 needs to be taken down, the driving motor 35 is reversely opened, so that the spline housing 54 drives the spline shaft 56 and the top plate 47 to rotate, the oval cavity 46 drives the fixture block 44 to move towards two sides, the linkage plate 43 and the pressure rod 41 reset through the reset spring 48, the lifting rack 39 moves downwards, the pinion 36, the gear shaft 38 and the clamping plate 37 rotate, and the legs can be taken out.
The invention has the beneficial effects that: this device can be for the disabled person dress artificial limb, compares in traditional artificial limb, and this device can pass through the wheel, and the auxiliary disabled person that drives removes to having saved the disabled person because physical power when going out to walk, this device can make things convenient for people to go upstairs and downstairs simultaneously, and this device can come height-adjusting according to people's height simultaneously, makes the commonality of this device can obtain increasing, and this device fixes people's shank through the rubber cushion simultaneously, makes the travelling comfort of this device can obtain increasing.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.