CN110917578A - Multi-angle ligament stretching device for leg exercise - Google Patents
Multi-angle ligament stretching device for leg exercise Download PDFInfo
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- CN110917578A CN110917578A CN201911287006.0A CN201911287006A CN110917578A CN 110917578 A CN110917578 A CN 110917578A CN 201911287006 A CN201911287006 A CN 201911287006A CN 110917578 A CN110917578 A CN 110917578A
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- rod
- stretching device
- sides
- protection pad
- bottom end
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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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- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
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Abstract
The invention discloses a multi-angle ligament stretching device for leg exercise, which comprises a grabbing rod, a first protection pad and a second fixing rod, wherein an adjusting box is arranged on the other side of the bottom end of the first protection pad, a bottom plate is arranged at the bottom end of a side vertical plate at the bottom end of the adjusting box, first connecting rods are arranged on two sides of a rod sleeve below a bearing through hinges, the top ends of the first connecting rods are fixedly connected to the inner part of a sliding groove through hinges, the first fixing rod is arranged at the middle position of the bottom end of the first protection pad, and one side of the top end of the first fixing rod extends to one side of the first protection pad. According to the invention, the bearing is arranged on the outer wall of the rod sleeve below the clamping groove, the grabbing rods are arranged on two sides of the bearing through the hinged parts, and the clamping blocks are welded on one side of the top end of the grabbing rod.
Description
Technical Field
The invention relates to the technical field of exercise equipment, in particular to a multi-angle ligament stretching device for leg exercise.
Background
Physical exercise becomes an essential part of mental life of people, and not only can strengthen physical quality, but also can enrich the people. Ligament stretching exercise toughness is a form of warming up, before strenuous activities, in order to prevent sudden acceleration of ligament bearing capacity from being unable to be received, and easy to be injured or broken, ligament stretching is generally used for improving body bending bearing capacity and extending capacity of each limb, and the ligament stretching exercise equipment relates to the exercise of multiple ligaments such as leg ligament and waist ligament;
and the existing leg exercising ligament stretching device has the following defects: the structure is simple, and the use is inconvenient for users; when auxiliary stretching is carried out, the traditional stretching device cannot be well fixed on the ground, and the user is damaged due to toppling; the device occupies a large space and cannot be folded and stored.
Disclosure of Invention
The invention aims to provide a multi-angle ligament stretching device for leg exercise, which aims to solve the problem that a traditional stretching device cannot be well fixed on the ground during auxiliary stretching in the background technology, and the user is injured due to toppling.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-angle ligament stretching device for leg exercise comprises a grabbing rod, a first protection pad and a second fixing rod, wherein a vertical plate is installed on one side of the bottom end of the first protection pad, an adjusting box is installed on the other side of the bottom end of the first protection pad, a bottom plate is installed at the bottom end of the vertical plate on one side of the bottom end of the adjusting box, a lead screw is installed on one side of the inner portion of the adjusting box, the other side of the lead screw is fixedly connected to one side of the vertical plate, a threaded slide block is installed on the outer wall of the lead screw on one side of the adjusting box, a sliding groove is formed in the inner portion of the bottom end of the grabbing rod, first connecting rods are installed on two sides of a rod sleeve below a bearing through hinge pieces, the top ends of the first connecting rods are fixedly connected to the inner portion of the sliding groove through hinge pieces, hollow groove plates are arranged in the inner portions of the two sides of the top, and one side of the top end of the first fixing rod extends to one side of the first protection pad, and one side of the second fixing rod is provided with a second protection pad.
Preferably, a limiting groove is arranged between one side of the vertical plates on one side of the adjusting box, a connecting slide block is arranged inside the limiting groove, and the top end of the connecting slide block is fixedly connected to the bottom end of the threaded slide block.
Preferably, the second connecting rods are installed at the two ends of the threaded sliding blocks, the third protection pads are installed on the other sides of the second connecting rods, and the fourth protection pads are installed at one ends of the third protection pads through connecting pieces.
Preferably, first springs are installed on one sides of the bottom ends of the third protection pads, and universal wheels are installed at the bottom ends of the first springs through connecting pieces.
Preferably, the internally mounted of lead screw outer wall regulating box has the second gear, and the bull stick is installed to one side of the first protection pad in regulating box top to the bottom of bull stick extends to the inside of regulating box, the bottom welding of lead screw top bull stick has first gear, and the top of bull stick installs the regulation carousel, and the rod cover is installed to the top of regulation carousel bottom bull stick outer wall regulating box.
Preferably, the draw-in groove is all installed to the both sides of adjusting carousel bottom rod cover, and the inside on rod cover both sides top all is provided with the fixed plate to all install the baffle between the both sides inner wall of fixed plate, the third spring is all installed to the inside bottom of baffle below fixed plate, and the equal fixedly connected with T type slider in top of third spring, the top of T type slider all extends to the top of baffle, and one side of rod cover one side T type slider all installs the plectrum through the connecting piece.
Preferably, the outer wall of the rod sleeve below the clamping groove is provided with a bearing, the two sides of the bearing are provided with the grabbing rod through the hinged pieces, and the clamping blocks are welded on one side of the top end of the grabbing rod.
Preferably, the bracing piece is all installed through the articulated elements in the both sides of bottom plate, and the top of bracing piece one side all extends to the inside of empty frid to the slipmat is all installed to the bottom of bracing piece, one side of bottom plate bottom all is provided with the second spring, and the equal fixed connection in one side of bracing piece in one side of second spring.
Preferably, a second fixing rod is installed at the top end of the first fixing rod, a shifting rod is installed on one side of the first fixing rod on one side of the second fixing rod through an articulated element, and a kit is installed at the bottom end of the outer wall of the second fixing rod.
Compared with the prior art, the invention has the beneficial effects that:
(1) by installing the anti-skid pad, the bottom plate, the supporting rod and the hollow groove plate, the device is firstly placed on a flat ground, the anti-skid pad is in contact with the ground, the bottom end of the supporting rod is opened towards two sides by taking the hinged piece on the side wall of the bottom plate as a fulcrum, the top end of one side of the supporting rod can be inserted into the hollow groove plate, a three-leg support structure is formed, the device is more stable on the ground, and the structure increases the stabilizing function of the device;
(2) by installing the shifting piece, the T-shaped sliding block, the fixing plate, the third spring, the clamping block, the sliding groove and the first connecting rod, when a user stretches, the T-shaped sliding block extrudes the third spring in the fixing plate by shifting the shifting piece, so that the T-shaped sliding block is separated from the groove of the clamping block, then the user can open the grabbing rod through the sliding groove and the first connecting rod, and then the grabbing rod can be held by the user for auxiliary stretching, so that the structure provides an auxiliary stretching function for the user;
(3) through installing the external member, the driving lever, first dead lever, grab the pole, the carousel draw-in groove, the fixture block, second protection pad and first protection pad, finish when using, rotate the external member, dial first dead lever one side with the driving lever through the articulated elements, can carry out folding each other with second protection pad and first protection pad, it is fixed in the middle of inserting the draw-in groove at the fixture block that will grab pole one side after that, rotate the regulation carousel again, make the screw thread slider slide to the one side of keeping away from the regulating box, thereby make the third protection pad fold each other, this structure is convenient for fold the device, convenient storage is deposited.
Drawings
FIG. 1 is a side cross-sectional structural schematic view of the apparatus of the present invention;
FIG. 2 is a schematic front view of the apparatus of the present invention;
FIG. 3 is a schematic top view of the apparatus of the present invention;
FIG. 4 is an enlarged schematic view of the apparatus A of the present invention;
FIG. 5 is an enlarged view of the apparatus of the present invention at position B;
FIG. 6 is an enlarged view of the apparatus C of the present invention;
FIG. 7 is an enlarged view of the apparatus D of the present invention;
in the figure: 1. adjusting the turntable; 2. a grab bar; 3. a rod sleeve; 4. a rotating rod; 5. a first gear; 6. an adjusting box; 7. a base plate; 8. a second gear; 9. a screw rod; 10. connecting the sliding block; 11. a threaded slider; 12. a limiting groove; 13. a vertical plate; 14. a first pad; 15. a first fixing lever; 16. a second fixing bar; 17. a second pad; 18. a universal wheel; 19. a first spring; 20. a third pad; 21. a fourth pad; 22. a non-slip mat; 23. a second spring; 24. a support bar; 25. a clamping block; 26. a bearing; 27. a first link; 28. a second link; 29. a hollow groove plate; 30. a chute; 31. a kit; 32. a deflector rod; 33. a shifting sheet; 34. a fixing plate; 35. a third spring; 36. a T-shaped slider; 37. a baffle plate; 38. a card slot; 39. and a fourth spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, an embodiment of the present invention is shown: a multi-angle ligament stretching device for leg exercise comprises a grabbing rod 2, a first protection pad 14 and a second fixing rod 16, wherein a vertical plate 13 is installed on one side of the bottom end of the first protection pad 14, an adjusting box 6 is installed on the other side of the bottom end of the first protection pad 14, a bottom plate 7 is installed at the bottom end of the vertical plate 13 on one side of the bottom end of the adjusting box 6, a lead screw 9 is installed on one side inside the adjusting box 6, the other side of the lead screw 9 is fixedly connected to one side of the vertical plate 13, and a threaded sliding block 11 is installed on the outer wall of the lead screw 9;
a limiting groove 12 is arranged between one sides of vertical plates 13 on one side of the adjusting box 6, connecting sliding blocks 10 are arranged inside the limiting groove 12, and the top ends of the connecting sliding blocks 10 are fixedly connected to the bottom ends of threaded sliding blocks 11;
the screw rod 9 rotates, the threaded sliding block 11 moves under the matching of the connecting sliding block 10 and the limiting groove 12, and the opening degree between the third protection pads 20 can be adjusted under the matching of the universal wheel 18;
both ends of the threaded sliding block 11 are provided with second connecting rods 28, the other sides of the second connecting rods 28 are provided with third pads 20, and one ends of the third pads 20 are provided with fourth pads 21 through connecting pieces;
the user sits on the first pad 14, leans against the second pad 17, and places both legs in the right angle between the third pad 20 and the fourth pad 21;
a first spring 19 is mounted on one side of the bottom end of the third pad 20, and universal wheels 18 are mounted on the bottom ends of the first springs 19 through connecting pieces;
a second gear 8 is arranged in an adjusting box 6 on the outer wall of a screw rod 9, a rotating rod 4 is arranged on one side of a first protection pad 14 at the top end of the adjusting box 6, the bottom end of the rotating rod 4 extends into the adjusting box 6, a first gear 5 is welded at the bottom end of the rotating rod 4 above the screw rod 9, an adjusting rotary table 1 is arranged at the top end of the rotating rod 4, and a rod sleeve 3 is arranged above the adjusting box 6 on the outer wall of the rotating rod 4 at the bottom end of the adjusting rotary table 1;
the adjusting turntable 1 is manually rotated, the rotating rod 4 is rotated, the first gear 5 is rotated, the second gear 8 is driven, and the structure can adjust the movement of the threaded sliding block 11;
clamping grooves 38 are respectively arranged on two sides of a rod sleeve 3 at the bottom end of the adjusting turntable 1, fixing plates 34 are respectively arranged inside the top ends of the two sides of the rod sleeve 3, baffles 37 are respectively arranged between the inner walls of the two sides of each fixing plate 34, third springs 35 are respectively arranged at the bottom ends of the fixing plates 34 below the baffles 37, T-shaped sliding blocks 36 are respectively and fixedly connected to the top ends of the third springs 35, the top ends of the T-shaped sliding blocks 36 extend to the upper side of the baffles 37, and shifting pieces 33 are respectively arranged on one side of the T-shaped sliding blocks 36 on one side of the rod sleeve 3 through;
when the plectrum 33 is pulled, the T-shaped sliding block 36 extrudes the third spring 35 in the fixing plate 34, so that the T-shaped sliding block 36 is separated from the groove of the clamping block 25, and then the user can open the grabbing rod 2 through the sliding groove 30 and the first connecting rod 27;
a bearing 26 is arranged on the outer wall of the rod sleeve 3 below the clamping groove 38, the two sides of the bearing 26 are provided with the grabbing rod 2 through hinged parts, and one side of the top end of the grabbing rod 2 is welded with a clamping block 25;
the user can open the grab bar 2, and then the user can assist in stretching by holding the grab bar 2;
the inside of the bottom end of the grabbing rod 2 is provided with a sliding chute 30, the two sides of the rod sleeve 3 below the bearing 26 are provided with first connecting rods 27 through hinge parts, the top ends of the first connecting rods 27 are fixedly connected to the inside of the sliding chute 30 through the hinge parts, the insides of the two sides of the vertical plate 13 at the top end of the bottom plate 7 are provided with empty groove plates 29, and one side inside the empty groove plates 29 is provided with a fourth spring 39;
the two sides of the bottom plate 7 are respectively provided with a support rod 24 through a hinge, the top end of one side of each support rod 24 extends into the hollow groove plate 29, the bottom ends of the support rods 24 are respectively provided with an anti-skid pad 22, one side of the bottom end of the bottom plate 7 is respectively provided with a second spring 23, and one side of each second spring 23 is fixedly connected to one side of the support rod 24;
the device is placed on a flat ground, the anti-skid pad 22 is contacted with the ground, the bottom end of the supporting rod 24 is opened towards two sides by taking the hinge piece on the side wall of the bottom plate 7 as a pivot, and the top end of one side is inserted into the hollow groove plate 29, so that a three-leg support structure is formed, and the device is more stable on the ground;
a first fixing rod 15 is installed at the middle position of the bottom end of the first protection pad 14, and one side of the top end of the first fixing rod 15 extends to one side of the first protection pad 14;
a second fixing rod 16 is installed at the top end of the first fixing rod 15, a shifting lever 32 is installed at one side of the first fixing rod 15 on one side of the second fixing rod 16 through a hinge, and a sleeve 31 is installed at the bottom end of the outer wall of the second fixing rod 16;
a rotating sleeve 31 for folding the second pad 17 and the first pad 14 with each other by moving the lever 32 to the side of the first fixing rod 15 through the hinge;
a second pad 17 is installed at one side of the second fixing bar 16.
The working principle is as follows: when the device is used, the device is placed on a flat ground, the anti-skid pad 22 contacts the ground, the hinged pieces on the side walls of the bottom plate 7 are taken as pivots, the bottom end of the supporting rod 24 is opened towards two sides, the top end of one side is inserted into the hollow groove plate 29 to form a three-leg support structure, the device is more stable on the ground, a user sits on the first protection pad 14 and leans against the second protection pad 17, two legs are placed in a right-angle included angle between the third protection pad 20 and the fourth protection pad 21, the adjusting turntable 1 is manually rotated, the rotating rod 4 rotates, the first gear 5 rotates, the second gear 8 is driven to drive the screw rod 9 to rotate, the threaded slide block 11 moves under the matching of the connecting slide block 10 and the limiting groove 12, the opening degree between the third protection pad 20 can be adjusted under the matching of the universal wheel 18, the stretching movement of the legs of the user is realized, when the user stretches, the poking piece 33 is poked, the T-shaped slider 36 presses the third spring 35 inside the fixing plate 34, so that the T-shaped slider 36 is separated from the groove of the clamping block 25, and then the user can open the grabbing bar 2 through the sliding groove 30 and the first connecting rod 27, then the user can assist in stretching the grabbing bar 2 by holding, after use, the sleeve 31 is rotated, the shift lever 32 is shifted to one side of the first fixing rod 15 through the hinge, the second pad 17 and the first pad 14 can be folded with each other, then the clamping block 25 on one side of the grabbing bar 2 is inserted into the clamping groove 38 and fixed, and then the adjusting turntable 1 is rotated, so that the threaded slider 11 slides to one side far away from the adjusting box 6, and the third pad 20 is folded with each other.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a ligament stretching device is used in leg exercise of multi-angle, includes grab bar (2), first protection pad (14) and second dead lever (16), its characterized in that: a vertical plate (13) is installed on one side of the bottom end of the first protection pad (14), an adjusting box (6) is installed on the other side of the bottom end of the first protection pad (14), a bottom plate (7) is installed on the bottom end of the vertical plate (13) on one side of the bottom end of the adjusting box (6), a lead screw (9) is installed on one side of the interior of the adjusting box (6), the other side of the lead screw (9) is fixedly connected to one side of the vertical plate (13), a threaded sliding block (11) is installed on the outer wall of the lead screw (9) on one side of the adjusting box (6), sliding grooves (30) are formed in the interior of the bottom end of the grabbing rod (2), first connecting rods (27) are installed on two sides of a rod sleeve (3) below a bearing (26) through hinge pieces, the top ends of the first connecting rods (27) are fixedly connected to the interior of the sliding grooves (30) through hinge pieces, empty groove, and a fourth spring (39) is installed on one side of the inside of the empty groove plate (29), a first fixing rod (15) is installed at the middle position of the bottom end of the first protection pad (14), one side of the top end of the first fixing rod (15) extends to one side of the first protection pad (14), and a second protection pad (17) is installed on one side of the second fixing rod (16).
2. The ligament stretching device for leg exercise of claim 1, wherein: install spacing groove (12) between one side of regulating box (6) one side riser (13), and the inside of spacing groove (12) all is provided with link block (10) to the equal fixed connection in the bottom of screw slider (11) in top of link block (10).
3. The ligament stretching device for leg exercise of claim 1, wherein: second connecting rods (28) are installed at two ends of the threaded sliding blocks (11), third protection pads (20) are installed on the other sides of the second connecting rods (28), and fourth protection pads (21) are installed at one ends of the third protection pads (20) through connecting pieces.
4. The ligament stretching device for leg exercise of claim 1, wherein: first springs (19) are installed on one sides of the bottom ends of the third protection pads (20), and universal wheels (18) are installed at the bottom ends of the first springs (19) through connecting pieces.
5. The ligament stretching device for leg exercise of claim 1, wherein: the internally mounted of lead screw (9) outer wall regulating box (6) has second gear (8), and the bull stick (4) is installed to one side of the first protection pad (14) in regulating box (6) top to the bottom of bull stick (4) extends to the inside of regulating box (6), the bottom welding of lead screw (9) top bull stick (4) has first gear (5), and the top of bull stick (4) installs regulation carousel (1), and adjusts carousel (1) bottom bull stick (4) outer wall regulating box (6) top and install rod cover (3).
6. The ligament stretching device for leg exercise of claim 1, wherein: draw-in groove (38) are all installed to the both sides of adjusting carousel (1) bottom rod cover (3), and the inside on rod cover (3) both sides top all is provided with fixed plate (34) to all install baffle (37) between the both sides inner wall of fixed plate (34), third spring (35) are all installed to the bottom of baffle (37) below fixed plate (34) inside, and the equal fixedly connected with T type slider (36) in top of third spring (35), the top of T type slider (36) all extends to the top of baffle (37), and one side of rod cover (3) one side T type slider (36) all installs plectrum (33) through the connecting piece.
7. The ligament stretching device for leg exercise of claim 1, wherein: the outer wall of the rod sleeve (3) below the clamping groove (38) is provided with a bearing (26), the two sides of the bearing (26) are provided with the grabbing rod (2) through the hinged pieces, and the clamping block (25) is welded on one side of the top end of the grabbing rod (2).
8. The ligament stretching device for leg exercise of claim 1, wherein: bracing piece (24) are all installed through the articulated elements to the both sides of bottom plate (7), and the top of bracing piece (24) one side all extends to the inside of empty frid (29) to slipmat (22) are all installed to the bottom of bracing piece (24), one side of bottom plate (7) bottom all is provided with second spring (23), and the equal fixed connection in one side of bracing piece (24) in one side of second spring (23).
9. The ligament stretching device for leg exercise of claim 1, wherein: the top end of the first fixing rod (15) is provided with a second fixing rod (16), one side of the first fixing rod (15) on one side of the second fixing rod (16) is provided with a shifting lever (32) through a hinge, and the bottom end of the outer wall of the second fixing rod (16) is provided with a sleeve piece (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287006.0A CN110917578A (en) | 2019-12-14 | 2019-12-14 | Multi-angle ligament stretching device for leg exercise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287006.0A CN110917578A (en) | 2019-12-14 | 2019-12-14 | Multi-angle ligament stretching device for leg exercise |
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| Publication Number | Publication Date |
|---|---|
| CN110917578A true CN110917578A (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911287006.0A Pending CN110917578A (en) | 2019-12-14 | 2019-12-14 | Multi-angle ligament stretching device for leg exercise |
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| Country | Link |
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| CN (1) | CN110917578A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370731A (en) * | 2020-12-05 | 2021-02-19 | 盐城盐西幸福产业发展有限公司 | Special stretching equipment of avoiding pulling of old person |
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| US6179752B1 (en) * | 1999-06-23 | 2001-01-30 | Shao-Tuan Chang | Linkage device for a stepping and swinging exerciser |
| CN103170104A (en) * | 2013-04-08 | 2013-06-26 | 周欢东 | Leg stretching fitness device |
| CN206198581U (en) * | 2016-11-30 | 2017-05-31 | 许昌学院 | A kind of leg pliability trainer |
| WO2018009489A1 (en) * | 2016-07-03 | 2018-01-11 | Ayoub Victor R | Adjustable tension device for use with a resistance band exercise apparatus |
| CN207203373U (en) * | 2017-09-18 | 2018-04-10 | 沧州师范学院 | A kind of dancing soft training device |
| CN108031070A (en) * | 2017-12-13 | 2018-05-15 | 郑州赫恩电子信息技术有限公司 | A kind of wealthy leg device of physical fitness |
| CN108905074A (en) * | 2018-07-19 | 2018-11-30 | 卢乐 | Leg ligament tensioner |
| CN208959264U (en) * | 2018-08-07 | 2019-06-11 | 新昌县思创设计咨询有限公司 | A kind of novel dancing ligament training device |
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2019
- 2019-12-14 CN CN201911287006.0A patent/CN110917578A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6179752B1 (en) * | 1999-06-23 | 2001-01-30 | Shao-Tuan Chang | Linkage device for a stepping and swinging exerciser |
| CN103170104A (en) * | 2013-04-08 | 2013-06-26 | 周欢东 | Leg stretching fitness device |
| WO2018009489A1 (en) * | 2016-07-03 | 2018-01-11 | Ayoub Victor R | Adjustable tension device for use with a resistance band exercise apparatus |
| CN206198581U (en) * | 2016-11-30 | 2017-05-31 | 许昌学院 | A kind of leg pliability trainer |
| CN207203373U (en) * | 2017-09-18 | 2018-04-10 | 沧州师范学院 | A kind of dancing soft training device |
| CN108031070A (en) * | 2017-12-13 | 2018-05-15 | 郑州赫恩电子信息技术有限公司 | A kind of wealthy leg device of physical fitness |
| CN108905074A (en) * | 2018-07-19 | 2018-11-30 | 卢乐 | Leg ligament tensioner |
| CN208959264U (en) * | 2018-08-07 | 2019-06-11 | 新昌县思创设计咨询有限公司 | A kind of novel dancing ligament training device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112370731A (en) * | 2020-12-05 | 2021-02-19 | 盐城盐西幸福产业发展有限公司 | Special stretching equipment of avoiding pulling of old person |
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Application publication date: 20200327 |
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