CN111135534B - A leg ligament stretching exerciser - Google Patents
A leg ligament stretching exerciser Download PDFInfo
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- CN111135534B CN111135534B CN202010086524.2A CN202010086524A CN111135534B CN 111135534 B CN111135534 B CN 111135534B CN 202010086524 A CN202010086524 A CN 202010086524A CN 111135534 B CN111135534 B CN 111135534B
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
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Abstract
本发明涉及一种锻炼器，尤其涉及一种腿部韧带拉伸锻炼器。因此，本发明的技术问题是：提供一种能够对脚进行固定，避免脚出现移动导致受伤，并且还能调节压腿的高度，比较方便的腿部韧带拉伸锻炼器。技术方案是：一种腿部韧带拉伸锻炼器，包括有支撑架、第一卡块、第一卡杆、固定机构、连接板、放置块等；两个支撑架前侧面上部都设有第一卡块，左右两侧第一卡块之间活动式设有第一卡杆，第一卡杆前侧面中部左右两侧都设有固定机构。本发明通过将脚放在放置块上，因第一弹簧的作用，移动块将人的脚固定，人们即可开始进行压腿，使得韧带拉伸，无需在高处的物体上进行压腿，避免了脚出现移动导致受伤。
The invention relates to an exercise device, in particular to a leg ligament stretching exercise device. Therefore, the technical problem of the present invention is to provide a more convenient leg ligament stretching exerciser that can fix the foot to avoid injury due to movement of the foot, and can also adjust the height of the presser leg. The technical scheme is: a leg ligament stretching exerciser, comprising a support frame, a first clamping block, a first clamping rod, a fixing mechanism, a connecting plate, a placing block, etc.; A clamping block, a first clamping rod is movably provided between the first clamping blocks on the left and right sides, and a fixing mechanism is provided on the left and right sides of the middle part of the front side of the first clamping rod. In the present invention, by placing the foot on the placing block, due to the action of the first spring, the moving block fixes the person's foot, and the person can start to press the leg, so that the ligament is stretched, and there is no need to press the leg on a high object. Avoid foot movement and injury.
Description
Technical Field
The invention relates to an exerciser, in particular to a leg ligament stretching exerciser.
Background
In the sports, there is a large amount of sports that need by a wide margin, avoid the leg injury in the motion, people all can heat up the motion before the motion, the tensile then one of them of shank ligament, people all put the foot on the object and carry out the ligament tensile usually, because the leg pressing carries out when the ligament is tensile, the foot appears removing and leads to the injury easily, and when needing to carry out the leg pressing of co-altitude, need look for the object of co-altitude, relatively troublesome, so people can lay the sponge on the object, so the sponge easily drops and influences the placing of foot, and then influence the ligament tensile.
Disclosure of Invention
In order to overcome the defects that when the ligament of the leg pressing is stretched, the foot is easy to be injured due to movement, and when the leg pressing with different heights is needed, objects with different heights need to be found, which is troublesome, the technical problem of the invention is as follows: the utility model provides a can fix the foot, avoid the foot to appear removing and lead to the injury to can also adjust the height of leg pressing, the tensile exerciser of convenient shank ligament of comparison.
The technical scheme is as follows: the utility model provides a tensile exerciser of leg ligament, including the support frame, first fixture block, first kelly, fixed establishment, the connecting plate, place the piece, first spring and movable block, two support frame leading flank upper portions all are equipped with first fixture block, the movable first kelly that is equipped with between the first fixture block of left and right sides, first kelly leading flank middle part left and right sides all is equipped with fixed establishment, be equipped with the connecting plate between the left and right sides fixed establishment, the piece is placed in being equipped with of bilateral symmetry formula about the connecting plate leading flank, it all opens the recess to place piece left and right sides face middle part, be equipped with first spring in the recess, be connected with the movable block between two first spring tail ends in left side, also be connected with the movable block between two first spring tail ends in right side, the movable block medial surface with place a lateral surface contact.
Further explaining, the fixing mechanism comprises a handle, a second clamping block, a second clamping rod and clamping plates, clamping grooves are symmetrically formed in the left side and the right side of the front side of the first clamping rod, the clamping grooves are cross-shaped, the second clamping rod is arranged in the clamping grooves, the clamping plates are symmetrically arranged in the left side and the right side of the front side of the first clamping rod, the second clamping block is arranged in the middle of the rear side of the clamping plates, the second clamping block is located in the clamping grooves and matched with the second clamping rod, the handle is arranged at the top and the bottom of each clamping plate on the left side and the right side, and the inner ends of the second clamping rods on the left side and the right side are fixedly connected with the middle of the left side and the right side of the connecting plate.
Further explaining, still including arc piece, connection rope and bolt, the first kelly bottom left and right sides symmetry formula is equipped with the arc piece, is connected with the connection rope on the arc piece, connects rope trailing end connection and has the bolt, and even spaced division has a plurality of first screw holes on the left and right sides support frame, and the first kelly left and right sides is also evenly spaced division has first screw hole, the first screw hole cooperation of front and back both sides, bolt and first screw hole cooperation.
Further explaining, the device also comprises a swing rod, a second spring, a return spring, universal wheels, a rotating rod and a grinding stone block, wherein the swing rod is rotatably connected to the lower parts of the front side surfaces of the left and right side supporting frames, the second spring is connected between the swing rod and the inner wall of the lower part of the supporting frame, the bottom ends of the left and right side supporting frames are symmetrically connected with the two universal wheels, the rotating rod is rotatably connected to the middle of the lower part of the supporting frame, the grinding stone block is arranged at the bottom end of the rotating rod, and the return spring is connected to the middle of the top of the rotating rod and the lower part of the supporting frame.
Further, the clamping device comprises a screw rod and a pressing block, second threaded holes are formed in the upper side and the lower side of the left portion of the first clamping block on the left side and the upper side and the lower side of the right portion of the first clamping block on the right side, the screw rod is arranged in the second threaded holes in the upper side and the lower side, the inner ends of the screw rods on the upper side and the lower side are connected with the pressing block, and the inner side of the pressing block is in contact with the first clamping rod.
Has the advantages that: according to the invention, the feet are placed on the placing block, the moving block fixes the feet of people under the action of the first spring, people can start to press the legs, so that ligaments are stretched, the legs do not need to be pressed on high objects, the injury caused by the movement of the feet is avoided, the position of the first clamping rod can be adjusted through the matching of the bolt and the first threaded hole, the height of the legs is adjusted to the required height, the device is convenient, and the device can move more conveniently under the action of the universal wheel.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is an enlarged schematic view of part a of the present invention.
Fig. 3 is an enlarged view of part B of the present invention.
In the above drawings: 1 … support frame, 2 … first fixture block, 3 … first fixture rod, 4 … fixing mechanism, 401 … clamping groove, 402 … handle, 403 … second fixture block, 404 … second fixture rod, 405 … clamping plate, 5 … connecting plate, 6 … placing block, 7 … groove, 8 … first spring, 9 … moving block, 10 … first threaded hole, 11 … arc block, 12 … connecting rope, 13 … bolt, 14 … swinging rod, 15 … second spring, 16 … return spring, 17 … universal wheel, 18 … rotating rod, 19 … grinding block, 20 … second threaded hole, 21 … screw rod and 22 … pressing block.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.
Example 1
A leg ligament stretching exerciser is shown in figure 1-2 and comprises support frames 1, first fixture blocks 2, first fixture rods 3, fixing mechanisms 4, connecting plates 5, placing blocks 6, first springs 8 and moving blocks 9, wherein the first fixture blocks 2 are arranged on the upper portions of the front side surfaces of the two support frames 1, the support frames 1 are connected with the first fixture blocks 2 in a welding connection mode, the first fixture rods 3 are movably arranged between the first fixture blocks 2 on the left side and the right side, the fixing mechanisms 4 are arranged on the left side and the right side of the middle portion of the front side surface of the first fixture rod 3, the connecting plates 5 are arranged between the fixing mechanisms 4 on the left side and the right side, the placing blocks 6 are symmetrically arranged on the upper side and the lower side of the front side surface of the connecting plates 5, the connecting plates 5 are connected with the placing blocks 6 in a welding connection mode, grooves 7 are formed in the middle portions of the left side surface and the right side surface of the placing blocks 6, the first springs 8 are arranged in the grooves 7, and the moving blocks 9 are connected between the tail ends of the two first springs 8 on the left side, a moving block 9 is also connected between the tail ends of the two first springs 8 on the right side, the first springs 8 are connected with the moving block 9 in a welding connection mode, and the inner side face of the moving block 9 is in contact with the outer side face of the placing block 6.
Example 2
A leg ligament stretching exerciser, as shown in figures 1-2, comprising a support frame 1, a first clamping block 2, a first clamping rod 3 and a fixing mechanism 4, connecting plate 5, place piece 6, first spring 8 and movable block 9, 1 leading flank upper portion of two support frames all is equipped with first fixture block 2, the movable first kelly 3 that is equipped with between the first fixture block 2 of left and right sides, 3 leading flank middle part left and right sides of first kelly all are equipped with fixed establishment 4, be equipped with connecting plate 5 between the fixed establishment 4 of left and right sides, 5 leading flank upper and lower bilateral symmetry formula of connecting plate are equipped with places piece 6, place 6 left and right sides face middle parts of piece and all open recess 7, be equipped with first spring 8 in the recess 7, be connected with movable block 9 between two first spring 8 tails in the left side, also be connected with movable block 9 between two first spring 8 tails in the right side, movable block 9 medial surface with place 6 lateral surface contacts of piece.
The fixing mechanism 4 comprises a handle 402, a second clamping block 403, a second clamping rod 404 and a clamping plate 405, the clamping groove 401 is symmetrically formed in the left side and the right side of the front side face of the first clamping rod 3, the clamping groove 401 is cross-shaped, the second clamping rod 404 is arranged in the clamping groove 401, the clamping plates 405 are symmetrically formed in the left side and the right side of the front side face of the first clamping rod 3, the second clamping block 403 is arranged in the middle of the rear side face of the clamping plate 405, the clamping plate 405 is connected with the second clamping block 403 in a welding connection mode, the second clamping block 403 is located in the clamping groove 401 and matched with the second clamping rod 404, the handles 402 are arranged at the top and the bottom of the clamping plates 405 on the left side and the right side, the clamping plate 405 is connected with the handles 402 in a welding connection mode, the inner ends of the second clamping rods 404 on the left side and the right side are fixedly connected with the left middle of the connecting plate 5, and the second clamping rods 404 are connected with the connecting plate 5 in a welding connection mode.
Example 3
A leg ligament stretching exerciser, as shown in figures 1-2, comprising a support frame 1, a first clamping block 2, a first clamping rod 3 and a fixing mechanism 4, connecting plate 5, place piece 6, first spring 8 and movable block 9, 1 leading flank upper portion of two support frames all is equipped with first fixture block 2, the movable first kelly 3 that is equipped with between the first fixture block 2 of left and right sides, 3 leading flank middle part left and right sides of first kelly all are equipped with fixed establishment 4, be equipped with connecting plate 5 between the fixed establishment 4 of left and right sides, 5 leading flank upper and lower bilateral symmetry formula of connecting plate are equipped with places piece 6, place 6 left and right sides face middle parts of piece and all open recess 7, be equipped with first spring 8 in the recess 7, be connected with movable block 9 between two first spring 8 tails in the left side, also be connected with movable block 9 between two first spring 8 tails in the right side, movable block 9 medial surface with place 6 lateral surface contacts of piece.
Fixing mechanism 4 is including handle 402, second fixture block 403, second kelly 404 and cardboard 405, 3 leading flank left and right sides of first kelly symmetry formula are opened there is draw-in groove 401, draw-in groove 401 is the cross, be equipped with second kelly 404 in the draw-in groove 401, 3 leading flank left and right sides symmetry formula of first kelly are equipped with cardboard 405, cardboard 405 trailing flank middle part is equipped with second fixture block 403, second fixture block 403 is located draw-in groove 401 and cooperates with second kelly 404, left and right sides cardboard 405 top all is equipped with handle 402 with the bottom, left and right sides second kelly 404 inner and 5 left and right sides face middle part fixed connection of connecting plate.
Still including arc piece 11, connect rope 12 and bolt 13, 3 bottom left and right sides symmetry formulas of first card pole are equipped with arc piece 11, first card pole 3 is connected with arc piece 11 through welded connection's mode, be connected with on the arc piece 11 and connect rope 12, connect 12 trailing end connection of rope and have bolt 13, even spaced division has a plurality of first screw holes 10 on the left and right sides support frame 1, the also even spaced division of 3 left and right sides of first card pole has first screw hole 10, the first screw hole 10 cooperation of the front and back both sides, bolt 13 and the cooperation of first screw hole 10.
Example 4
A leg ligament stretching exerciser, as shown in figures 1-2, comprising a support frame 1, a first clamping block 2, a first clamping rod 3 and a fixing mechanism 4, connecting plate 5, place piece 6, first spring 8 and movable block 9, 1 leading flank upper portion of two support frames all is equipped with first fixture block 2, the movable first kelly 3 that is equipped with between the first fixture block 2 of left and right sides, 3 leading flank middle part left and right sides of first kelly all are equipped with fixed establishment 4, be equipped with connecting plate 5 between the fixed establishment 4 of left and right sides, 5 leading flank upper and lower bilateral symmetry formula of connecting plate are equipped with places piece 6, place 6 left and right sides face middle parts of piece and all open recess 7, be equipped with first spring 8 in the recess 7, be connected with movable block 9 between two first spring 8 tails in the left side, also be connected with movable block 9 between two first spring 8 tails in the right side, movable block 9 medial surface with place 6 lateral surface contacts of piece.
Fixing mechanism 4 is including handle 402, second fixture block 403, second kelly 404 and cardboard 405, 3 leading flank left and right sides of first kelly symmetry formula are opened there is draw-in groove 401, draw-in groove 401 is the cross, be equipped with second kelly 404 in the draw-in groove 401, 3 leading flank left and right sides symmetry formula of first kelly are equipped with cardboard 405, cardboard 405 trailing flank middle part is equipped with second fixture block 403, second fixture block 403 is located draw-in groove 401 and cooperates with second kelly 404, left and right sides cardboard 405 top all is equipped with handle 402 with the bottom, left and right sides second kelly 404 inner and 5 left and right sides face middle part fixed connection of connecting plate.
Still including arc piece 11, connect rope 12 and bolt 13, 3 bottom left and right sides symmetry formulas of first kelly are equipped with arc piece 11, are connected with on the arc piece 11 and connect rope 12, connect 12 trailing end connections of rope and have bolt 13, and even spaced division has a plurality of first screw holes 10 on the left and right sides support frame 1, and the also even spaced division of the 3 left and right sides of first kelly has first screw hole 10, the first screw hole 10 cooperation of front and back both sides, bolt 13 and the cooperation of first screw hole 10.
Still including pendulum rod 14, second spring 15, return spring 16, universal wheel 17, bull stick 18 and grindstone piece 19, the equal rotary type in 1 leading flank lower part of left and right sides support frame is connected with pendulum rod 14, be connected with second spring 15 between pendulum rod 14 and the support frame 1 lower part inner wall, pendulum rod 14 and support frame 1 all are connected with second spring 15 through welded connection's mode, 1 bottom of left and right sides support frame all symmetrical type is connected with two universal wheel 17, support frame 1 is connected with universal wheel 17 through bolted connection's mode, the rotary type is connected with bull stick 18 in the middle of the support frame 1 lower part, bull stick 18 bottom is equipped with grindstone piece 19, bull stick 18 passes through bolted connection's mode and is connected with grindstone piece 19, there is return spring 16 at bull stick 18 top and the middle of support frame 1 lower part.
Example 5
A leg ligament stretching exerciser, as shown in figures 1-3, comprising a support frame 1, a first clamping block 2, a first clamping rod 3 and a fixing mechanism 4, connecting plate 5, place piece 6, first spring 8 and movable block 9, 1 leading flank upper portion of two support frames all is equipped with first fixture block 2, the movable first kelly 3 that is equipped with between the first fixture block 2 of left and right sides, 3 leading flank middle part left and right sides of first kelly all are equipped with fixed establishment 4, be equipped with connecting plate 5 between the fixed establishment 4 of left and right sides, 5 leading flank upper and lower bilateral symmetry formula of connecting plate are equipped with places piece 6, place 6 left and right sides face middle parts of piece and all open recess 7, be equipped with first spring 8 in the recess 7, be connected with movable block 9 between two first spring 8 tails in the left side, also be connected with movable block 9 between two first spring 8 tails in the right side, movable block 9 medial surface with place 6 lateral surface contacts of piece.
Fixing mechanism 4 is including handle 402, second fixture block 403, second kelly 404 and cardboard 405, 3 leading flank left and right sides of first kelly symmetry formula are opened there is draw-in groove 401, draw-in groove 401 is the cross, be equipped with second kelly 404 in the draw-in groove 401, 3 leading flank left and right sides symmetry formula of first kelly are equipped with cardboard 405, cardboard 405 trailing flank middle part is equipped with second fixture block 403, second fixture block 403 is located draw-in groove 401 and cooperates with second kelly 404, left and right sides cardboard 405 top all is equipped with handle 402 with the bottom, left and right sides second kelly 404 inner and 5 left and right sides face middle part fixed connection of connecting plate.
Still including arc piece 11, connect rope 12 and bolt 13, 3 bottom left and right sides symmetry formulas of first kelly are equipped with arc piece 11, are connected with on the arc piece 11 and connect rope 12, connect 12 trailing end connections of rope and have bolt 13, and even spaced division has a plurality of first screw holes 10 on the left and right sides support frame 1, and the also even spaced division of the 3 left and right sides of first kelly has first screw hole 10, the first screw hole 10 cooperation of front and back both sides, bolt 13 and the cooperation of first screw hole 10.
Still including pendulum rod 14, second spring 15, return spring 16, universal wheel 17, bull stick 18 and grindstone piece 19, the equal rotary type in 1 leading flank lower part of left and right sides support frame is connected with pendulum rod 14, be connected with second spring 15 between pendulum rod 14 and the support frame 1 lower part inner wall, 1 bottom of left and right sides support frame all the symmetric type is connected with two universal wheels 17, the rotary type is connected with bull stick 18 in the middle of the support frame 1 lower part, bull stick 18 bottom is equipped with grindstone piece 19, 18 tops of bull stick and the support frame 1 lower part intermediate junction have return spring 16.
The clamping device is characterized by further comprising a screw 21 and a pressing block 22, wherein second threaded holes 20 are formed in the upper side and the lower side of the left portion of the first clamping block 2 on the left side and the upper side and the lower side of the right portion of the first clamping block 2 on the right side, the screw 21 is arranged in the second threaded holes 20 on the upper side and the lower side, the pressing block 22 is connected to the inner ends of the screw 21 on the upper side and the lower side, the screw 21 is connected with the pressing block 22 in a welding connection mode, and the inner side of the pressing block 22 is in contact with the first clamping rod 3.
When the ligament needs to be stretched by the user, the device can be used, firstly, the user pulls the moving block 9 to move outwards, the first spring 8 is stretched, the moving block 9 moves outwards to a proper position, namely, the foot can be placed on the placing block 6, the moving block 9 is loosened, due to the action of the first spring 8, the moving block 9 moves inwards to be in contact with the foot to fix the moving block, the ligament can be stretched, in the stretching process of the ligament, the user enables the connecting plate 5 to swing back and forth, and the fixing mechanism 4 can prevent the connecting plate 5 from falling off. When the ligament of the user is stretched, the foot is taken out, the first spring 8 is reset, and then the moving block 9 is driven to move inwards to reset. When connecting plate 5 is taken off to needs, can take off connecting plate 5 through fixed establishment 4 and clean, after 5 clean completions of connecting plate, rethread fixed establishment 4 is fixed connecting plate 5 to the normal position.
When a user stretches the ligament, the connecting plate 5 swings back and forth to drive the second clamping rod 404 to rotate in a positive and negative alternating manner, and the second clamping block 403 can limit the second clamping rod 404, so that the connecting plate 5 is prevented from falling off. When the connecting plate 5 needs to be taken down for cleaning, the handle 402 can be pulled to move forwards, the handle 402 moves forwards to drive the clamping plate 405 to move forwards, the clamping plate 405 moves forwards to drive the second clamping block 403 to move forwards, the second clamping block 403 moves forwards to be separated from the clamping groove 401, the second clamping rod 404 is loosened, the connecting plate 5 can be pulled to move forwards to enable the second clamping rod 404 to be separated from the clamping groove 401, and then the connecting plate 5 is cleaned. After the connection plate 5 is cleaned, the connection plate 5 is put back to the original position, the second clamping rod 404 moves into the clamping groove 401, and then the second clamping block 403 moves backwards to fix the second clamping rod 404.
When the user need not put the foot on placing piece 6 so high, can stimulate left and right sides support frame 1 outwards to remove, support frame 1 outwards removes and drives first fixture block 2 outwards to remove, first fixture block 2 outwards removes and breaks away from with first kelly 3, make support frame 1 remove to suitable position again, can remove first kelly 3 and make when placing piece 6 downwards removal to suitable position, the user puts bolt 13 on the first screw hole 10 of front side, wrench movement bolt 13 corotation, bolt 13 corotation is through first screw hole 10 inwards moving, when bolt 13 inwards moves to the first screw hole 10 of rear side, bolt 13 is fixed with first kelly 3 with first screw hole 10 cooperation, stop wrench movement bolt 13, the user can begin the ligament and stretch. When first kelly 3 is removed once more to needs, can twist bolt 13 and reverse, bolt 13 reverses and outwards removes through first screw hole 10, when bolt 13 outwards removes and breaks away from with first screw hole 10, bolt 13 can not drop on the ground under the effect of arc piece 11 and connection rope 12, and the user can remove first kelly 3 and make and place piece 6 and remove, when placing piece 6 and removing suitable position, according to above-mentioned operation, can be fixed with first kelly 3. Thus, the height of the placing block 6 can be adjusted according to the requirements of the user.
When a user needs to move the equipment, the user firstly pulls the swing rod 14 to move upwards, the second spring 15 is stretched, then pulls the rotating rod 18 to swing upwards, the return spring 16 is compressed, the rotating rod 18 swings upwards to drive the grindstone block 19 to swing upwards, the grindstone block 19 is not contacted with the ground, the universal wheel 17 is also contacted with the ground, when the rotating rod 18 swings upwards to the rear part of the swing rod 14, the swing rod 14 is loosened, the second spring 15 resets, further the swing rod 14 is driven to move downwards to reset, the swing rod 14 moves downwards to return to the original position, the swing rod 14 blocks the rotating rod 18 to prevent the grindstone block from swinging downwards, at the moment, the support frame 1 can be pushed to move through the universal wheel 17, when the rotating rod 18 moves to a proper position, the user stops pushing the support frame 1, pulls the swing rod 14 to move upwards again, the second spring 15 is stretched, the rotating rod 18 swings downwards to reset through the return spring 16, further drives the grindstone block to swing downwards to reset, the grinding stone block 19 can then act as a fixing for the device so that it cannot move with ease, after which the pendulum 14 is released and the pendulum 14 is reset by the second spring 15. Therefore, the device is more convenient for the user to move.
When a user puts feet on the placing block 6 to stretch the ligament, the first clamping rod 3 may move left and right, at this time, the screws 21 on the left and right sides may be twisted to rotate forward in the second threaded holes 20, the screws 21 rotate forward and move inward to drive the pressing block 22 to move inward, and the pressing block 22 moves inward to press and fix the first clamping rod 3. When the first clamping rod 3 needs to be moved, the twisting screw 21 rotates reversely and moves outwards, so that the pressing block 22 moves outwards to loosen the first clamping rod 3, the twisting screw 21 is stopped, and the first clamping rod 3 can be moved. Therefore, the first clamping rod 3 can be prevented from moving left and right to influence the ligament stretching of the user.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
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| CN202010086524.2A CN111135534B (en) | 2020-02-11 | 2020-02-11 | A leg ligament stretching exerciser |
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| CN202010086524.2A CN111135534B (en) | 2020-02-11 | 2020-02-11 | A leg ligament stretching exerciser |
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| CN111135534A CN111135534A (en) | 2020-05-12 |
| CN111135534B true CN111135534B (en) | 2021-08-03 |
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| CN111135534A (en) | 2020-05-12 |
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