CN211797578U - Two side reverse motion upper limbs rehabilitation training device of house - Google Patents

Two side reverse motion upper limbs rehabilitation training device of house Download PDF

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Publication number
CN211797578U
CN211797578U CN202020128091.8U CN202020128091U CN211797578U CN 211797578 U CN211797578 U CN 211797578U CN 202020128091 U CN202020128091 U CN 202020128091U CN 211797578 U CN211797578 U CN 211797578U
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China
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rod
shaped
pawl
ratchet
limb
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CN202020128091.8U
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Chinese (zh)
Inventor
汤有才
汪桂琴
付红光
于谦
杜晓旭
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Zhengzhou University
Henan Xiangyu Medical Equipment Co Ltd
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Zhengzhou University
Henan Xiangyu Medical Equipment Co Ltd
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Abstract

The application discloses a household bilateral reverse motion upper limb rehabilitation training device, which comprises an upright post, a left upper limb mechanism and a right upper limb mechanism, wherein the left upper limb mechanism and the right upper limb mechanism are arranged in bilateral symmetry, the right upper limb mechanism comprises a right handle rod, the right handle rod drives a slider-crank mechanism through a parallel four-bar linkage mechanism, a slider in the slider-crank mechanism is in sliding connection with the upright post, a slider in the slider-crank mechanism is horizontally provided with a right horizontal groove along the left-right direction, a right pawl shaft is arranged in the right horizontal groove in a sliding manner, a right pawl is rotatably arranged on the right pawl shaft, the right pawl shaft is fixed at the right end of a middle oscillating bar, the middle oscillating bar is rotatably arranged on a support shaft, the support shaft is fixed on the upright post, the right pawl is meshed with a ratchet on a ratchet rack, the ratchet is in sliding connection, the training interest of the user is improved.

Description

Two side reverse motion upper limbs rehabilitation training device of house
Technical Field
The utility model relates to an upper limbs rehabilitation training device especially relates to a two side reverse motion upper limbs rehabilitation training device of house, belongs to the rehabilitation medical instrument field.
Background
The home training realizes that the exercise function of a user is recovered and is tried out at present, the user with inconvenient action does not need to go to a medical institution to queue for rehabilitation training, the existing upper limb rehabilitation training does not have clear rehabilitation exercise amount, the rehabilitation process is a long process and needs to be recovered repeatedly for many times, and the user has certain requirement on the exercise amount every day if needing to improve the rehabilitation effect.
According to the technical scheme, the upper limb on one side drives the sliding block mechanism through the connecting rod mechanism to realize the left-right swing of the swing rod, so that the opposite gait motion of the upper limbs on the two sides of the user is realized, and the comfort of rehabilitation training is improved; when the swing rod swings, the left side and the right side of the swing rod are both provided with the pawls, so that the pawls alternately drive the ratchet rack to ascend, a user can visually see the ascending height of the ratchet rack, and the rehabilitation interest is improved; the pawl is provided with a handle, and the resetting of the ratchet bar is realized by pulling the handle open, so that the resetting is easy to realize; the distance between the ratchets on the ratchet bar is gradually increased from top to bottom, and the ratchet bar can be driven to ascend only by increasing the swing range of the handle rod, so that the difficulty in the rehabilitation process is improved; the lower end of the ratchet bar is provided with a buffer pad, so that the noise generated when the ratchet bar descends is reduced.
Disclosure of Invention
The utility model aims to provide a: the household bilateral reverse-motion upper limb rehabilitation trainer has the advantages that the upper limb on one side moves through the connecting rod structure and the crank-slider mechanism to drive the swing rod to swing, the swing rod enables the upper limb on the other side to move reversely, and meanwhile, the pawls arranged on the two sides of the swing rod alternately drive the ratchet rack to ascend.
The purpose of the utility model is realized like this: a home bilateral reverse movement upper limb rehabilitation trainer comprises a right upper limb mechanism 2, a base 3, a ratchet lifting mechanism 4 and a left upper limb mechanism 5, wherein the base 3 is in a bilaterally symmetrical structure, and the right upper limb mechanism 2 and the left upper limb mechanism 5 are arranged bilaterally symmetrically about a bilateral symmetry plane of the base 3;
the right upper limb mechanism 2 comprises a right handle rod 201, a right connecting rod 205, a right L-shaped rod 209, a right driving rod 211, a right swinging rod 212, a right lifting rod 213 and a right connecting plate 214, wherein the lower part of the right handle rod 201 is hinged with the rear end of the right connecting rod 205, the lower end of the right handle rod 201 is hinged with the base 3, the right L-shaped rod 209 is L-shaped, one L-shaped side of the right L-shaped rod 209 is arranged along the vertical direction, the other L-shaped side of the right L-shaped rod 209 extends towards the rear side, the front end of the right connecting rod 205 is hinged with the end of one L-shaped side of the right L-shaped rod 209, the L-shaped corner of the right L-shaped rod 209 is hinged with the base 3, the end of the other L-shaped side of the right L-shaped rod 209 is hinged with one end of the right swinging rod 212, the right driving rod 211 is fixed at the other end of the right swinging rod 212, the right driving rod 211 is rotatably arranged at the lower end of the right lifting rod 213, the L-shaped other side of the right connecting plate 214 extends to the right side, and the L-shaped other side of the right connecting plate 214 is provided with a right horizontal groove 2141 which is horizontally arranged along the left-right direction;
the ratchet lifting mechanism 4 comprises a vertical column 401, a ratchet 402, a middle swing rod 405, a support shaft 406, a right pawl 407 and a right pawl shaft 408, the vertical column 401 is arranged along the vertical direction, the lower end of the vertical column 401 is fixed on the base 3, the ratchet 402 is connected with the rear side of the vertical column 401 in a sliding manner along the vertical direction, a guide groove 4021 penetrating along the vertical direction and the front direction is arranged in the middle of the ratchet 402, the front end of the support shaft 406 is fixed on the vertical column 401, the support shaft 406 passes through the guide groove 4021 backwards and is rotatably installed in the middle of the middle swing rod 405, the right end of the middle swing rod 405 is fixed at the rear end of the right pawl shaft 408, the middle of the right pawl shaft 408 is rotatably installed at the lower end of the right pawl 407, the left end and the right end of the ratchet 402 are provided with a plurality of ratchet teeth arranged along the vertical direction, the upper end of the right pawl 407 is engaged with the right ratchet teeth of the, the right pawl 407 and the right pawl shaft 408 are provided with a left pawl and a left pawl shaft symmetrically with respect to the bilateral symmetry plane of the base 3.
The ratchet teeth arranged in the up-down direction arranged at the left and right ends of the ratchet bar 402 gradually increase in pitch from top to bottom along the ratchet bar 402.
The middle of the right connecting rod 205 is of a structure which can be disconnected or fixedly connected, the right connecting rod 205 comprises a rear connecting rod 2051, a front connecting rod 2052, a sliding block 2054 and a butterfly bolt 2055, the rear end of the rear connecting rod 2051 is hinged with the lower part of the right handle rod 201, the left side of the front end of the rear connecting rod 2051 is provided with the sliding block 2054 which extends forwards, the front end of the front connecting rod 2052 is hinged with the end part of the L-shaped side of the right L-shaped rod 209, the right side of the rear end of the front connecting rod 2052 is provided with the sliding groove 2053, the sliding block 2054 is connected with the sliding groove 2053 in a sliding way along the front-back direction, the sliding block 2054 is provided with a pin hole 2057, the right side of the rear end of the front connecting rod 2052 is provided with a cylindrical boss 2056 which extends rightwards, the inner hole of the cylindrical boss 2056 is screwed with the right part of the butterfly bolt 2055 through a screw pair, the left part of the butterfly bolt 2055 is of a cylinder without screw thread, the left part of the, the left portion of the butterfly bolt 2055 corresponds to the position of the pin hole 2057.
The lifting mechanism 4 further comprises a right return spring 409 and a right handle 410, the right return spring 409 is arranged between the lower end of the right pawl 407 and the right end of the middle swing rod 405, the right return spring 409 is used for enabling the upper end of the right pawl 407 to be attached to a ratchet arranged on the right side of the ratchet rack 402, the right handle 410 is fixed in the middle of the right pawl 407, and the right return spring 409 and the right handle 410 are symmetrically provided with a left return spring and a left handle relative to the bilateral symmetry plane of the base 3.
The structure that one L-shaped side of the right connecting plate 214 is connected with the upright column 401 in a sliding manner along the vertical direction is as follows: the left side of one L-shaped side of the right connecting plate 214 is fixed on a right sliding block 215, the right side of one L-shaped side of the right connecting plate 214 is fixed at the upper end of a right lifting rod 213, the right sliding block 215 is installed on a right guide rail 216, and the right guide rail 216 is vertically arranged along the vertical direction.
The structure that the ratchet bar 402 is connected with the rear side of the upright column 401 in a sliding manner along the vertical direction is as follows: two guide blocks 404 are fixed on the upper portion of the rear side of the upright column 401, the guide blocks 404 are vertically arranged along the vertical direction, the guide groove 4021 is in sliding connection with the two guide blocks 404 along the vertical direction, the front ends of the guide blocks 404 are both fixed with the baffle 403, the length of the baffle 403 along the left-right direction is larger than the width of the guide groove 4021 along the left-right direction, so as to prevent the ratchet rack 402 from falling off, and the support shaft 406 is positioned between the two guide blocks 404.
A buffer pad 411 is arranged right below the ratchet bar 402 and used for buffering when the ratchet bar 402 falls, and the buffer pad 411 is fixed on the base 3.
The right handle rod 201, the right connecting rod 205, the right L-shaped rod 209 and the base 3 form a parallel four-bar linkage.
The ratchet teeth arranged in the up-down direction and arranged at the left end and the right end of the ratchet bar 402 are arranged at equal intervals.
The bilateral reverse motion upper limb rehabilitation training device for the home comprises a seat 1, wherein the lower end of the seat 1 is fixed on a base 3, and the seat 1 is positioned between a right handle rod 201 and a left handle rod in a left upper limb mechanism 5.
Compared with the prior art, the utility model has the advantages of as follows:
according to the technical scheme, the upper limb on one side drives the sliding block mechanism through the connecting rod mechanism to realize the left-right swing of the swing rod, so that the opposite gait motion of the upper limbs on the two sides of the user is realized, and the comfort of rehabilitation training is improved; when the swing rod swings, the left side and the right side of the swing rod are both provided with the pawls, so that the pawls alternately drive the ratchet rack to ascend, a user can visually see the ascending height of the ratchet rack, and the rehabilitation interest is improved; the pawl is provided with a handle, and the resetting of the ratchet bar is realized by pulling the handle open, so that the resetting is easy to realize; the distance between the ratchets on the ratchet bar is gradually increased from top to bottom, and the ratchet bar can be driven to ascend only by increasing the swing range of the handle rod, so that the difficulty in the rehabilitation process is improved; the lower end of the ratchet bar is provided with a buffer pad, so that the noise generated when the ratchet bar descends is reduced.
Drawings
Fig. 1 is a general structure diagram of a home bilateral reverse movement upper limb rehabilitation training device.
Fig. 2 is a schematic view of the right upper limb structure.
Fig. 3 is a schematic view of the structure of the front part of the right upper limb.
Fig. 4 is a schematic structural view of the connection part of the right upper limb mechanism and the ratchet lifting mechanism.
Fig. 5 is a schematic structural view of a ratchet elevating portion.
Fig. 6 is a structural view of the intermediate breakable and fixable connection portion of the right link.
Reference numerals: 1-seat, 2-right upper limb mechanism, 3-base, 4-ratchet lifting mechanism, 5-left upper limb mechanism, 201-right handle rod, 202-right pin shaft I, 203-right pin shaft II, 204-right hinged seat I, 205-right connecting rod, 206-right pin shaft III, 207-right hinged seat II, 208-right pin shaft IV, 209-right L-shaped rod, 210-right pin shaft V, 211-right driving rod, 212-right swinging rod, 213-right lifting rod, 214-right connecting plate, 215-right sliding block, 216-right guide rail, 401-upright post, 402-ratchet, 403-baffle, 404-guide block, 405-middle swinging rod, 406-supporting shaft, 407-right pawl, 408-right pawl shaft, 409-right reset spring, 410-right handle, 411-cushion, 2051-rear connecting rod, 2052-front connecting rod, 2053-sliding groove, 2054-sliding block, 2055-butterfly bolt, 2056-cylindrical boss, 2057-pin hole, 2141-right horizontal groove and 4021-guide groove.
Detailed Description
Combine fig. 1 ~ 6, the utility model discloses a two side reverse motion upper limbs rehabilitation training device of house, include: the seat 1, the right upper limb mechanism 2, the base 3, the ratchet elevating mechanism 4, and the left upper limb mechanism 5 define the up-down, left-right, and front-back directions of the present application in the up-down, left-right, and front-back directions of the user, so as to describe the present application. The base 3 is of a bilateral symmetry structure, and the right upper limb mechanism 2 and the left upper limb mechanism 5 are arranged in bilateral symmetry about the bilateral symmetry plane of the base 3.
The right upper limb mechanism 2 comprises a right handle rod 201, a right pin shaft 202, a right pin shaft 203, a right hinge seat 204, a right connecting rod 205, a right pin shaft 206, a right hinge seat 207, a right pin shaft 208, a right L-shaped rod 209, a right pin shaft five 210, a right driving rod 211, a right swinging rod 212, a right lifting rod 213, a right connecting plate 214, a right sliding block 215 and a right guide rail 216, wherein the lower part of the right handle rod 201 is hinged with the rear end of the right connecting rod 205 through the right pin shaft 202, the lower end of the right handle rod 201 is hinged with the right hinge seat 204 through the right pin shaft 203, the right hinge seat 204 is fixed on the base 3, the right L-shaped rod 209 is L-shaped, one L-shaped side of the right L-shaped rod 209 is arranged along the vertical direction, the other L-shaped side of the right L-shaped rod 209 extends towards the rear side, the front end of the right connecting rod 205 is hinged with the end of one L-shaped side of the right L-shaped rod 209 through the right pin shaft five 210, the L-shaped corner 209, the second right hinged seat 207 is fixed on the base 3, the end part of the other L-shaped edge of the right L-shaped rod 209 is hinged to one end of the right swinging rod 212 through the third right pin shaft 206, the other end of the right swinging rod 212 is fixed at the right end of the right driving rod 211, the left end of the right driving rod 211 is rotatably provided with the lower end of the right lifting rod 213, the right connecting plate 214 is L-shaped, the left side of the one L-shaped edge of the right connecting plate 214 is fixed on the right sliding block 215, the upper end of the right lifting rod 213 is fixed at the right side of the one L-shaped edge of the right connecting plate 214, the right sliding block 215 is arranged on the right guide rail 216, the right guide rail 216 is vertically arranged along the up-down direction, the other L-shaped edge of the right connecting plate 214 extends out to the right side, the other L-.
The ratchet lifting mechanism 4 comprises a vertical column 401, a ratchet 402, a baffle 403, a guide block 404, a middle swing rod 405, a support shaft 406, a left pawl, a right pawl 407, a left pawl shaft, a right pawl shaft 408, a left return spring, a right return spring 409, a left handle and a right handle 410, wherein the vertical column 401 is arranged along the vertical direction, the lower end of the vertical column 401 is fixed at the middle position of the front end of the base 3, two guide blocks 404 are fixed at the upper part of the rear side of the vertical column 401, the guide blocks 404 are vertically arranged along the vertical direction, the ratchet 402 is arranged along the vertical direction, a guide groove 4021 penetrating along the upper and lower and the front and back is arranged at the middle position of the ratchet 402, the guide groove 4021 is connected with the two guide blocks 404 in a sliding manner along the upper and lower direction, the baffle 403 is fixed at the front end of each guide block 404, the length of the baffle 403 along the left and, the ratchet rack is used for preventing the ratchet rack 402 from falling off, the front end of the supporting shaft 406 is fixed at the rear side of the upright column 401, the supporting shaft 406 penetrates through the guide groove 4021 backwards, the middle part of the middle swing rod 405 is rotatably installed, the middle swing rod 405 is arranged along the left-right direction, the right end of the middle swing rod 405 is fixed at the rear end of the right pawl shaft 408, the middle part of the right pawl shaft 408 is rotatably installed at the lower end of the right pawl 407, a right reset spring 409 is arranged between the lower end of the right pawl 407 and the right end of the middle swing rod 405, and the right reset spring 409 is used for enabling the upper end of the. The left end and the right end of the ratchet rack 402 are provided with a plurality of ratchets which are arranged along the up-down direction, the upper end of a right pawl 407 is meshed with the right ratchets of the ratchet rack 402, the supporting shaft 406 is positioned between two guide blocks 404, and the middle part of the right pawl 407 is fixed with a right handle 410.
A buffer pad 411 is arranged right below the ratchet bar 402 and used for buffering when the ratchet bar 402 falls, and the buffer pad 411 is fixed on the base 3.
The front end of the right pawl shaft 408 slides in the right horizontal groove 2141.
The left pawl, the left pawl shaft, the left return spring and the left handle are symmetrically provided with a right pawl 407, a right pawl shaft 408, a right return spring 409 and a right handle 410 about the bilateral symmetry plane of the base 3.
The middle of the right connecting rod 205 is of a structure which can be disconnected or fixedly connected, the right connecting rod 205 comprises a rear connecting rod 2051, a front connecting rod 2052, a sliding block 2054 and a butterfly bolt 2055, the rear end of the rear connecting rod 2051 is hinged with the lower part of the right handle rod 201 through a right pin shaft I202, the left side of the front end of the rear connecting rod 2051 is provided with the sliding block 2054 which extends forwards, the front end of the front connecting rod 2052 is hinged with the L-shaped end part of the right L-shaped rod 209 through a right pin shaft I210, the right side of the rear end of the front connecting rod 2052 is provided with the sliding groove 2053, the sliding block 2054 is connected with the sliding block 2053 in the front-back direction in a sliding manner, the pin hole 2057 is arranged on the front connecting rod 2054, the right side of the rear end of the front connecting rod 2052 is provided with a cylindrical boss 2056 which extends rightwards, the inner hole of the cylindrical boss 2056 is rotatably engaged with the right part of the spiral bolt, the left part of the butterfly bolt 2055 is matched with the position of the pin hole 2057, the left part of the butterfly bolt 2055 is a cylindrical unthreaded part, the diameter of which is smaller than that of the threaded part of the butterfly bolt 2055, so as to prevent the cylindrical unthreaded part of the butterfly bolt 2055 from damaging the internal thread of the cylindrical boss 2056, the left cylindrical part of the butterfly bolt 2055 is inserted into the pin hole 2057 by rotating the butterfly bolt 2055, so as to realize the fixed connection of the rear connecting rod 2051 and the front connecting rod 2052, the left cylindrical part of the butterfly bolt 2055 moves right by reversely rotating the butterfly bolt 2055, is separated from the pin hole 2057, so as to realize the disconnection between the rear connecting rod 2051 and the front connecting rod 2052, and a user can conveniently stand on the base 3 and sit on the seat 1.
The lower end of the seat 1 is fixed on the base 3, and the seat 1 is positioned between the right handle rod 201 and the left handle rod in the left upper limb mechanism 5.
The distance from the first right pin 202 to the second right pin 203 is equal to the distance from the fourth right pin 208 to the fifth right pin 210, and the right connecting rod 205 is parallel to the base 3, i.e., the right handle bar 201, the right connecting rod 205, the right L-shaped bar 209 and the base 3 form a parallel four-bar linkage.
The upper ends of the left handle rods in the right handle rod 201 and the left upper limb mechanism 5 are provided with binding bands for fixing the hands of users.
The ratchets arranged in the vertical direction and arranged at the left end and the right end of the ratchet bar 402 are arranged at equal intervals, the interval between the ratchets arranged along the ratchet bar 402 towards the lower part can be gradually increased, the interval between the ratchets arranged at the upper end of the ratchet bar 402 is the interval between the front end and the rear end of the handle rod, and when a user trains, the ratchet bar 402 can be lifted only by continuously increasing the forward and backward swinging range of the left handle rod in the left upper limb mechanism 5 of the right handle rod 201, so that the training difficulty of the user is improved.
When a user trains, if the user has poor motion function and is difficult to move from the right side of the base to the base 3, the left cylindrical part of the butterfly bolt 2055 moves rightwards to be separated from the pin hole 2057 by rotating the butterfly bolt 2055, the right handle 201 is moved backwards to enable the sliding block 2054 to move backwards to be separated from the sliding groove 2053, the rear connecting rod 2051 is disconnected from the front connecting rod 2052, the front end of the rear connecting rod 2051 is turned over towards the upper part of the rear side, the user can conveniently stand on the base 3, the user sits on the seat 1, the left hand and the right hand are respectively tightly bound at the upper end of the right handle rod 201 and the upper end of the sliding block rod of the left hand, the butterfly bolt 2054 is inserted into the sliding groove 2053, the left cylindrical part of the butterfly bolt 2055 is inserted into the pin hole 2057 by rotating the butterfly bolt 2055, and the fixed connection of the rear connecting rod 2051 and the front connecting rod 2052 is realized.
If the motion function of the right upper limb of the user is better than that of the left upper limb, the right upper limb moves forwards and backwards, the right handle rod 201 is pushed to drive the right connecting rod 205 to move forwards and backwards, the right L-shaped rod 209 swings around the right pin shaft IV 208, the right swinging rod 212 drives the right driving rod 211 to move, the right lifting rod 213 drives the right connecting plate 214 to move up and down along the right sliding block 215 and the right guide rail 216, the right pawl shaft 408 rotates and slides in the right horizontal groove 2141 to drive the middle swinging rod 405 to rotate around the supporting shaft 406, meanwhile, the left end of the middle swinging rod 405 drives the left pawl shaft to drive the left upper limb mechanism to realize the opposite forward and backward motion directions of the left handle rod and the right handle rod 201, the right end of the middle swinging rod 405 swings upwards, the right end of the middle swinging rod 405 swings downwards, the right pawl 407 arranged at the right end of the middle swinging rod 405 drives the ratchet rack 402, the left end swings upwards, the left pawl arranged at the left end of the middle swing rod 405 drives the ratchet rack 402 to ascend, the right pawl 407 is disengaged from the right ratchet of the ratchet rack 402 and moves downwards, in the swinging process of the middle swing rod 405, the right pawl 407 and the left pawl alternately drive the ratchet rack 402 to ascend, when the ratchet rack 402 ascends to the upper end or reaches a preset ascending height, the preset movement amount is reached, the right hand of a user grasps the right handle 410 and grasps the left handle by the left hand, the right hand exerts force by the left hand and the right hand, the right pawl and the left pawl are disengaged from the ratchet rack on the ratchet rack 402, the ratchet rack 402 slides downwards under the action of gravity, the lower end falls on the buffer pad 411, and the resetting of the ratchet rack 402 is realized. The user can use the home bilateral reverse movement upper limb rehabilitation training device with the same bilateral movement function.

Claims (10)

1. The utility model provides a two side reverse motion upper limbs rehabilitation training device of house which characterized in that: the ratchet-rack lifting mechanism comprises a right upper limb mechanism (2), a base (3), a ratchet-rack lifting mechanism (4) and a left upper limb mechanism (5), wherein the base (3) is of a bilaterally symmetrical structure, and the right upper limb mechanism (2) and the left upper limb mechanism (5) are arranged bilaterally symmetrically with respect to a bilateral symmetry plane of the base (3);
the right upper limb mechanism (2) comprises a right handle rod (201), a right connecting rod (205), a right L-shaped rod (209), a right driving rod (211), a right swinging rod (212), a right lifting rod (213) and a right connecting plate (214), the lower part of the right handle rod (201) is hinged with the rear end of the right connecting rod (205), the lower end of the right handle rod (201) is hinged with the base (3), the right L-shaped rod (209) is L-shaped, one L-shaped side of the right L-shaped rod (209) is arranged along the vertical direction, the other L-shaped side of the right L-shaped rod (209) extends towards the rear side, the front end of the right connecting rod (205) is hinged with the end part of one L-shaped side of the right L-shaped rod (209), the corner of the L-shaped of the right L-shaped rod (209) is hinged with the base (3), the end part of the other L-shaped side of the right L-shaped rod (209) is hinged with one end of the right swinging rod (212), and the other end of the, the right driving rod (211) is rotatably arranged at the lower end of the right lifting rod (213), the right connecting plate (214) is L-shaped, one L-shaped side of the right connecting plate (214) is connected with the upright column (401) in a sliding manner along the vertical direction, the other L-shaped side of the right connecting plate (214) extends towards the right side, and the other L-shaped side of the right connecting plate (214) is provided with a right horizontal groove (2141) which is horizontally arranged along the left-right direction;
the ratchet lifting mechanism (4) comprises an upright post (401), a ratchet bar (402), a middle swing rod (405), a support shaft (406), a right pawl (407) and a right pawl shaft (408), the upright post (401) is arranged along the vertical direction, the lower end of the upright post (401) is fixed on the base (3), the ratchet bar (402) is in sliding connection with the rear side of the upright post (401) along the vertical direction, a guide groove (4021) which penetrates through the upper part, the lower part and the front part of the ratchet bar (402) is arranged at the middle position of the ratchet bar (402), the front end of the support shaft (406) is fixed on the upright post (401), the support shaft (406) is rotatably installed in the middle of the middle swing rod (405) after passing through the guide groove (4021) backwards, the right end of the right pawl shaft (408) is fixed at the right end of the middle swing rod (405), the lower end of the right pawl (407) is rotatably installed in the middle of, The right end of the base is provided with a plurality of ratchets which are arranged along the vertical direction, the upper end of a right pawl (407) is meshed with the right ratchets of the ratchet rack (402), the front end of a right pawl shaft (408) slides in a right horizontal groove (2141), and the right pawl (407) and the right pawl shaft (408) are symmetrically provided with a left pawl and a left pawl shaft relative to the bilateral symmetry plane of the base (3).
2. The home bilateral reverse-movement upper limb rehabilitation trainer according to claim 1, which is characterized in that: the ratchet teeth arranged in the vertical direction and arranged at the left end and the right end of the ratchet bar (402) are gradually increased along the ratchet bar (402) from top to bottom.
3. The home bilateral reverse-movement upper limb rehabilitation trainer according to claim 1, which is characterized in that: the middle of the right connecting rod (205) is of a structure which can be disconnected or fixedly connected, the right connecting rod (205) comprises a rear connecting rod (2051), a front connecting rod (2052), a sliding block (2054) and a butterfly bolt (2055), the rear end of the rear connecting rod (2051) is hinged with the lower part of the right handle rod (201), the left side of the front end of the rear connecting rod (2051) is provided with the sliding block (2054) which extends forwards, the front end of the front connecting rod (2052) is hinged with the end part of the L-shaped side of the right L-shaped rod (209), the right side of the rear end of the front connecting rod (2052) is provided with the sliding groove (2053), the sliding block (2054) is connected with the sliding groove (2053) in the front-back direction, the sliding block (2054) is provided with a pin hole (2057), the right side of the rear end of the front connecting rod (2052) is provided with a cylindrical boss (2056) which extends rightwards, and the inner hole of the butterfly bolt (2055) is rotatably combined by a screw, the left part of the butterfly bolt (2055) is in a cylindrical shape without threads, the diameter of the left part of the butterfly bolt (2055) in the cylindrical shape without threads is smaller than that of the threaded part of the butterfly bolt (2055), and the left part of the butterfly bolt (2055) is matched with the position of the pin hole (2057).
4. The home bilateral reverse-movement upper limb rehabilitation trainer according to claim 1, which is characterized in that: the lifting mechanism (4) further comprises a right reset spring (409) and a right handle (410), the right reset spring (409) is arranged between the lower end of the right pawl (407) and the right end of the middle swing rod (405), the right reset spring (409) is used for fitting the upper end of the right pawl (407) with a ratchet arranged on the right side of the ratchet rack (402), the right handle (410) is fixed in the middle of the right pawl (407), and the right reset spring (409) and the right handle (410) are symmetrically arranged on the left and right symmetric surfaces of the base (3) through the left reset spring and the left handle.
5. The home bilateral reverse-movement upper limb rehabilitation trainer according to claim 1, which is characterized in that: the structure that the L-shaped side of the right connecting plate (214) is connected with the upright column (401) in a sliding mode along the vertical direction is as follows: the left side of one L-shaped side of the right connecting plate (214) is fixed on a right sliding block (215), the right side of one L-shaped side of the right connecting plate (214) is fixed at the upper end of a right lifting rod (213), the right sliding block (215) is installed on a right guide rail (216), and the right guide rail (216) is vertically arranged along the vertical direction.
6. The home bilateral reverse-movement upper limb rehabilitation trainer according to claim 1, which is characterized in that: the structure that the ratchet bar (402) is connected with the rear side of the upright post (401) in a sliding way along the vertical direction is as follows: two guide blocks (404) are fixed on the upper portion of the rear side of the upright column (401), the guide blocks (404) are vertically arranged along the vertical direction, the guide groove (4021) is in sliding connection with the two guide blocks (404) along the vertical direction, the front ends of the guide blocks (404) are respectively fixed with a baffle (403), the length of the baffle (403) along the left-right direction is larger than the width of the guide groove (4021) along the left-right direction so as to prevent the ratchet rack (402) from falling off, and the support shaft (406) is located between the two guide blocks (404).
7. The home bilateral reverse-movement upper limb rehabilitation trainer according to any one of claims 1 to 6, which is characterized in that: a buffer pad (411) is arranged right below the ratchet bar (402) and used for buffering when the ratchet bar (402) falls down, and the buffer pad (411) is fixed on the base (3).
8. The home bilateral reverse-movement upper limb rehabilitation trainer according to any one of claims 1 to 6, which is characterized in that: the right handle rod (201), the right connecting rod (205), the right L-shaped rod (209) and the base (3) form a parallel four-bar linkage.
9. The home bilateral reverse-movement upper limb rehabilitation trainer according to any one of claims 1 to 6, which is characterized in that: the ratchets arranged in the vertical direction and arranged at the left end and the right end of the ratchet bar (402) are arranged at equal intervals.
10. The home bilateral reverse-movement upper limb rehabilitation trainer according to any one of claims 1 to 6, which is characterized in that: still include seat (1), seat (1) lower extreme fix on base (3), seat (1) are located between the left handle pole in right handle pole (201) and left side upper limbs mechanism (5).
CN202020128091.8U 2020-01-20 2020-01-20 Two side reverse motion upper limbs rehabilitation training device of house Active CN211797578U (en)

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Application Number Priority Date Filing Date Title
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CN211797578U true CN211797578U (en) 2020-10-30

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