CN112791357A - Flat belt for outdoor exercise - Google Patents
Flat belt for outdoor exercise Download PDFInfo
- Publication number
- CN112791357A CN112791357A CN202110117299.9A CN202110117299A CN112791357A CN 112791357 A CN112791357 A CN 112791357A CN 202110117299 A CN202110117299 A CN 202110117299A CN 112791357 A CN112791357 A CN 112791357A
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- China
- Prior art keywords
- shaped rod
- rod
- flat belt
- hanging
- hanging buckles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 241000282693 Cercopithecidae Species 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 241000282326 Felis catus Species 0.000 claims description 3
- 210000003781 tooth socket Anatomy 0.000 claims description 2
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B26/00—Exercising apparatus not covered by groups A63B1/00 - A63B25/00
Abstract
The invention discloses a flat belt for outdoor exercise, which comprises a flat belt body, wherein a plurality of connecting buckle assemblies are detachably arranged on the flat belt body; the connecting buckle assembly comprises a U-shaped rod I, a U-shaped rod II and an arc rod, the U-shaped rod I and the U-shaped rod II are symmetrically arranged, the arc rod is arranged between the U-shaped rod I and the U-shaped rod II, and the U-shaped rod I, the U-shaped rod II and the arc rod are of an integrally formed structure; hanging buckles I are correspondingly arranged below the connecting buckle assemblies respectively, and one end of the flat belt body sequentially penetrates through the U-shaped rods I, the hanging buckles I and the U-shaped rods II; the connecting rope assembly is connected between the two adjacent hanging buckles I, the included angle between the U-shaped rod I and the U-shaped rod II and the plane where the top of the arc rod is located is 10-15 degrees, the connecting rope assembly comprises two hanging buckles II, the two hanging buckles II are respectively arranged on the two adjacent hanging buckles I in a penetrating mode, and the two hanging buckles II are respectively connected with the mounting column.
Description
Technical Field
The invention relates to the technical field of flat belts, in particular to a flat belt for outdoor exercise.
Background
The flat belt is a novel flat belt product formed by one or more groups of yarns and warps in a circulating and intersecting manner, and is different from a flat belt product of a shuttleless machine. The flat belt sport is one of common outdoor exercises, and through fixing the both ends of flat belt on the fixture, the fixture can be including dead lever, wall body etc. installs the annular knot that is used for hanging equipment such as rings, swing simultaneously on the flat belt. After the existing flat belt is provided with the annular buckles, the distance between the annular buckles is inconvenient to change; meanwhile, the existing annular buckle and the flat belt have poor self-locking effect and lower safety performance.
Disclosure of Invention
The invention aims to provide a flat belt for outdoor exercise, which has good safety performance, is convenient for hanging sports devices and is convenient for adapting to exercise requirements of different users.
In order to solve the technical problems, the invention provides the following technical scheme: a flat belt for outdoor exercise comprises a flat belt body, wherein a plurality of connecting buckle assemblies are detachably arranged on the flat belt body; the connecting buckle assembly comprises a U-shaped rod I, a U-shaped rod II and an arc rod, the U-shaped rod I and the U-shaped rod II are symmetrically arranged, the arc rod is arranged between the U-shaped rod I and the U-shaped rod II, and the U-shaped rod I, the U-shaped rod II and the arc rod are of an integrally formed structure; hanging buckles I are correspondingly arranged below the connecting buckle assemblies respectively, and one end of the flat belt body sequentially penetrates through the U-shaped rods I, the hanging buckles I and the U-shaped rods II; and a connecting rope assembly is connected between the two adjacent hanging buckles I.
Furthermore, an included angle between the U-shaped rod I and the U-shaped rod II and a plane where the tops of the arc rods are located is 10-15 degrees.
Furthermore, the connecting rope assembly comprises two hanging buckles II, the two hanging buckles II penetrate through the two adjacent hanging buckles I respectively, the two hanging buckles II are connected with mounting columns respectively, the bottom ends of the two mounting columns are provided with connecting holes respectively, and the two hanging buckles II penetrate through the two connecting holes respectively; the two mounting columns are respectively provided with a mounting hole, a connecting rope is connected between the two mounting columns, the connecting rope penetrates through the corresponding mounting holes in the two mounting columns, two ends of the connecting rope are respectively provided with a rope knot, and the middle of the connecting rope is connected with an adjusting device.
Furthermore, the adjusting device comprises a limiting seat, one end of the limiting seat is provided with an end cover, an adjusting rod is arranged inside the limiting seat, one end of the adjusting rod is connected in a threaded hole in the limiting seat in a threaded fit mode, and the other end of the adjusting rod penetrates through the end cover and is fixed with an adjusting knob; the two sides of the limiting seat are correspondingly provided with rope threading holes, and the connecting rope penetrates through the two corresponding threaded holes and is wound outside the adjusting rod in a multi-layer mode.
Furthermore, tooth sockets are evenly distributed on the outer wall of the adjusting knob in the circumferential direction.
Further, hang knot I and be used for hanging the motion device, the motion device is rings, jib, swing, monkey pole, monkey fist, cat ladder, climb the net.
Furthermore, the hanging buckle I and the hanging buckle II are both annular buckles.
Compared with the prior art, the invention has the following beneficial effects:
1. the connecting buckle assembly is matched with the hanging buckle 1 for use, consists of a U-shaped rod I, a U-shaped rod II and an arc rod, is arranged behind the flat belt body, forms a self-locking structure with the hanging buckle I, and can be firmly arranged on the flat belt body;
2. the installation position of the connecting buckle component on the flat belt body can be changed, so that the distance between two adjacent hanging buckles is changed, and the flat belt is convenient to adapt to the exercise of different users;
3. be equipped with between two adjacent buckles I and connect the rope subassembly, be convenient for improve the security performance, through the adjustable looseness of connecting the rope of adjusting device simultaneously, when the distance changes between two adjacent buckles I, also can keep connecting the straight state of rope.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the flat belt body, the connecting buckle assembly and the hanging buckle I of the present invention;
FIG. 3 is a schematic view of the connecting rope assembly of the present invention;
FIG. 4 is a schematic view of the mounting post structure of the present invention;
FIG. 5 is a schematic view of the structure of the adjusting device of the present invention;
FIG. 6 is a schematic view of the combination of a hanging buckle I, a hanging buckle II and a mounting post;
FIG. 7 is a schematic view of a connector buckle assembly of the present invention;
FIG. 8 is a schematic position diagram of the U-shaped rod I, the U-shaped rod II and the arc rod of the invention;
in the figure: 1. a flat belt body; 2. a connecting buckle assembly; 21. a U-shaped rod I; 22. a U-shaped rod II; 23. an arc rod; 3. a hanging buckle I; 4. a connecting rope assembly; 41. hanging a buckle II; 42. mounting a column; 421. mounting holes; 422. a safety rope fixing hole; 423. connecting holes; 43. connecting ropes; 431. knotting; 44. a limiting seat; 441. a stringing hole; 442. a threaded hole; 45. adjusting a rod; 46. an end cap; 47. a knob.
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. 1-8, the present invention provides the following technical solutions: a flat belt for outdoor exercise comprises a flat belt body 1, wherein a plurality of connecting buckle assemblies 2 are detachably arranged on the flat belt body 1; the connecting buckle assembly 2 comprises a U-shaped rod I21, a U-shaped rod II 22 and an arc rod 23, the U-shaped rod I21 and the U-shaped rod II 22 are symmetrically arranged, the arc rod 23 is arranged between the U-shaped rod I21 and the U-shaped rod II 22, and the U-shaped rod I21, the U-shaped rod II 22 and the arc rod 23 are of an integrally formed structure; hanging buckles I3 are correspondingly arranged below the connecting buckle components 2 respectively, and one end of the flat belt body 1 sequentially penetrates through the insides of the U-shaped rod I21, the hanging buckles I3 and the U-shaped rod II 22; a connecting rope component 4 is connected between the two adjacent hanging buckles I3.
The included angle between the U-shaped rod I21 and the U-shaped rod II 22 and the plane where the top of the arc rod 23 is located is marked as an angle theta, the angle theta is 10-15 degrees, a certain angle is arranged between the U-shaped rod I21 and the U-shaped rod II 22, the flat belt body 1 can penetrate conveniently, and meanwhile when the flat belt body 1 is under the action of downward pulling force, the connection buckle assembly 2 and the flat belt body 1 can be connected stably. U type I21 and U type II 22 open ends of pole are connected respectively to arc pole 23 both ends, pull down to hang and detain I3, and connector link subassembly 2 can follow bandlet body 1 and shift out to be convenient for connector link subassembly 2 and install in different positions.
The connecting rope assembly 4 comprises two hanging buckles II 41, the two hanging buckles II 41 are respectively arranged on the two adjacent hanging buckles I3 in a penetrating mode, the two hanging buckles II 41 are respectively connected with an installation column 42, the bottom ends of the two installation columns 42 are respectively provided with a connecting hole 423, the number of the connecting holes 423 is 1-3, and the two hanging buckles II 41 respectively penetrate through the two connecting holes 423; be equipped with mounting hole 421 on two erection columns 42 respectively, be connected with between two erection columns 42 and connect rope 43, the number of connecting rope 43 also is 1-3, connect rope 43 and pass corresponding mounting hole 421 on two erection columns 42, the both ends of connecting rope 43 are equipped with a knot 431 respectively, the radius of knot 431 is greater than the radius of connecting hole 423, and knot 431 is located the outside of two erection columns 42, it can shift out from erection column 42 to prevent to connect rope 43, the middle part of connecting rope 43 is connected with an adjusting device, adjusting device is used for adjusting the looseness of connecting rope 43 between two spliced poles, make to connect rope 43 and be in comparatively straight state.
The mounting post 42 is further provided with a safety rope fixing hole 422, and the safety rope fixing hole 422 is used for the safety rope to pass through and lock. When the flat belt is installed, the installing columns 42 positioned at the leftmost side and the rightmost side are connected with the safety rope, the safety rope is fixed on an external fixture, and the two ends of the flat belt body 1 are tied on the external fixture.
The adjusting device comprises a limiting seat 44, an end cover 46 is arranged at one end of the limiting seat 44, the end cover 46 and the limiting seat 44 can be fixedly connected through screws, an adjusting rod 45 is arranged inside the limiting seat 44, external threads are arranged at one end of the adjusting rod 45, the adjusting rod 45 is connected into a threaded hole in the limiting seat 44 through threaded fit, and an adjusting knob 47 is fixed at the other end of the adjusting rod 45 and penetrates through a through hole in the end cover 46; the two sides of the limiting seat 44 are correspondingly provided with threading holes 441, the connecting rope 43 passes through the two corresponding threaded holes 442 and is wound on the outside of the adjusting rod 45 in multiple layers, the adjusting device is used for adjusting the looseness of the connecting rope 43, the adjusting rod 45 is driven to rotate by rotating the adjusting knob 47 during adjustment, further winding of the connection cord 43 or unwinding of a portion of the connection cord 43 is achieved by controlling the direction of rotation, when the position between the mounting posts 42 at both ends of the connecting string 43 is adjusted, the connecting string 43 can be adjusted to maintain the straight state again, meanwhile, the distance between the two mounting columns 42 can be increased, and the adjusting device can be suitable for being connected with the two adjacent hanging buckles I3 when the position of the two adjacent hanging buckles I3 is adjusted, and one end of the adjusting rod 45 is connected to the limiting seat 44 through thread fit, so that the self-locking of the adjusting rod 45 can be realized after the adjusting rod 45 rotates, and the position of the adjusting rod 45 after adjustment is convenient to fix.
Tooth grooves are uniformly distributed on the outer wall of the adjusting knob 47 in the circumferential direction, and the adjusting knob 47 is convenient to apply torque due to the tooth grooves, so that the adjusting rod 45 can be adjusted conveniently.
Hang and detain I3 and be used for hanging the motion device, the motion device is rings, jib, swing, monkey pole, monkey fist, cat ladder, climbs and climb, climbs the net etc. hang and detain I3 and hang and detain II 41 and be the annular knot, can adopt detachable mountain-climbing to detain, lifting hook and outdoor string to detain etc. the motion device can be followed and detained I3 and dismantle, ann hangs and detains II 41 and can follow to hang and detain I3 and dismantle.
When the flat belt is used, the flat belt is hung on the hanging buckles I3 through two moving devices, the moving devices are connected, meanwhile, the positions of the hanging buckles I3 on the flat belt body 1 can be adjusted, firstly, the looseness of the connecting rope 43 is adjusted through the adjusting device, when the distance between two adjacent hanging buckles I3 connected by the adjusting device needs to be increased, the connecting rope 43 is adjusted to be loosened through the rotating adjusting rod 45, when the distance needs to be reduced, the adjusting rod 45 does not need to be adjusted at the moment, when the positions of the hanging buckles I3 are adjusted, the connecting buckle components 2 corresponding to the hanging buckles I3 need to be moved simultaneously, after the positions are adjusted, the connecting rope 43 keeps a straight state again through adjusting the adjusting rod 45, the connecting rope components 4 are connected to the two adjacent hanging buckles I3, the safety performance of the whole flat belt is convenient to improve, when the flat belt body 1 is accidentally broken, because the hanging buckles I3 connect the connecting rope components 4, at this moment, the hanging buckle I3 can not fall off, and the safety performance of the whole flat belt is further ensured through the connecting rope component 4.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an outdoor exercise is with bandlet which characterized in that: the flat belt comprises a flat belt body (1), wherein a plurality of connecting buckle assemblies (2) are detachably arranged on the flat belt body (1); the connecting buckle assembly (2) is composed of a U-shaped rod I (21), a U-shaped rod II (22) and an arc rod (23), the U-shaped rod I (21) and the U-shaped rod II (22) are symmetrically arranged, the arc rod (23) is arranged between the U-shaped rod I (21) and the U-shaped rod II (22), and the U-shaped rod I (21), the U-shaped rod II (22) and the arc rod (23) are of an integrally formed structure; a hanging buckle I (3) is correspondingly arranged below each connecting buckle component (2), and one end of the flat belt body (1) sequentially penetrates through the insides of the U-shaped rod I (21), the hanging buckle I (3) and the U-shaped rod II (22); and a connecting rope assembly (4) is connected between the two adjacent hanging buckles I (3).
2. The outdoor exercise bandlet of claim 1, wherein: the included angle between the U-shaped rod I (21) and the U-shaped rod II (22) and the plane where the top of the arc rod (23) is located is 10-15 degrees.
3. The outdoor exercise bandlet of claim 1, wherein: the connecting rope assembly (4) comprises two hanging buckles II (41), the two hanging buckles II (41) are respectively arranged on the two adjacent hanging buckles I (3) in a penetrating mode, the two hanging buckles II (41) are respectively connected with an installation column (42), the bottom ends of the two installation columns (42) are respectively provided with a connecting hole (423), and the two hanging buckles II (41) respectively penetrate through the two connecting holes (423); be equipped with mounting hole (421) on two erection columns (42) respectively, be connected with between two erection columns (42) and connect rope (43), connect rope (43) and pass on two erection columns (42) corresponding mounting hole (421), the both ends of connecting rope (43) are equipped with knot (431) respectively, and the middle part of connecting rope (43) is connected with an adjusting device.
4. The outdoor exercise bandlet of claim 3, wherein: the adjusting device comprises a limiting seat (44), an end cover (46) is arranged at one end of the limiting seat (44), an adjusting rod (45) is arranged inside the limiting seat (44), one end of the adjusting rod (45) is connected into a threaded hole (442) in the limiting seat (44) in a threaded fit mode, and the other end of the adjusting rod penetrates through the end cover (46) and is fixedly provided with an adjusting knob (47); the two sides of the limiting seat (44) are correspondingly provided with rope threading holes (441), and the connecting rope (43) penetrates through the two corresponding threaded holes (442) and is wound on the outer portion of the adjusting rod (45) in a multi-layer mode.
5. The outdoor exercise bandlet of claim 4, wherein: tooth sockets are uniformly distributed on the outer wall of the adjusting knob (47) in the circumferential direction.
6. The outdoor exercise bandlet of claim 1, wherein: hang knot I (3) and be used for hanging the motion device, the motion device is rings, jib, swing, monkey pole, monkey fist, cat ladder, climbs the net.
7. The outdoor exercise bandlet of claim 1, wherein: the hanging buckle I (3) and the hanging buckle II (41) are both annular buckles.
Priority Applications (1)
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CN202110117299.9A CN112791357B (en) | 2021-01-28 | 2021-01-28 | Flat belt for outdoor exercise |
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CN202110117299.9A CN112791357B (en) | 2021-01-28 | 2021-01-28 | Flat belt for outdoor exercise |
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CN112791357B CN112791357B (en) | 2024-04-09 |
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Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1408355A (en) * | 1973-01-31 | 1975-10-01 | Jolly Jumper Prod Of America | Baby exerciser |
GB1536655A (en) * | 1975-11-12 | 1978-12-20 | Ashley Ltd F | Exercising device |
FR2461146A1 (en) * | 1979-07-12 | 1981-01-30 | Simond & Fils Ets Claudius | D=shaped snap hook for climber - has self-locking recoil sprung pivot gate with recoil sprung rotating locking sleeve which latches when gate is open |
CA2048111A1 (en) * | 1991-06-18 | 1992-12-19 | Patricio M. Gonzales | Adjustable leg exercising device |
US5209712A (en) * | 1991-06-24 | 1993-05-11 | Frederic Ferri | Proprioceptive exercise, training and therapy apparatus |
CN2199367Y (en) * | 1994-06-07 | 1995-05-31 | 董春楼 | Wire pulling non-return fastener |
JP2003325700A (en) * | 2002-05-15 | 2003-11-18 | Kiyoma Hamazaki | Forward and backward bending and stretching exercises assist tool for foot fingers |
CN2589782Y (en) * | 2002-12-31 | 2003-12-03 | 李韬鹏 | Fast connecting buckle for pressure-bearing heat collector |
DE202009002873U1 (en) * | 2009-03-03 | 2009-06-18 | Bänfer GmbH | Device for fixing a balancier belt |
CN102068767A (en) * | 2011-01-26 | 2011-05-25 | 金来兴 | Multifunctional swinging and bodybuilding high-rise escaping device |
US20120238421A1 (en) * | 2010-11-18 | 2012-09-20 | Klopman James E | Slackline apparatus and training method |
CN104791419A (en) * | 2015-04-28 | 2015-07-22 | 赵燕京 | Un-disconnected sliding lock for outward-bound training and safety equipment provided with sliding lock |
WO2016037203A1 (en) * | 2014-09-08 | 2016-03-17 | Weymayer Hubert | Dismantlable and portable device for supporting and holding slacklines |
CN107620780A (en) * | 2017-10-14 | 2018-01-23 | 江苏亚星锚链股份有限公司 | A kind of high intensity expanded letter shackle |
CN207071203U (en) * | 2017-08-22 | 2018-03-06 | 东华理工大学 | A kind of suspension type arm strength stretching device |
CN208436342U (en) * | 2018-08-03 | 2019-01-29 | 史长标 | Arm strength expands exerciser |
CN209809390U (en) * | 2019-03-21 | 2019-12-20 | 肇庆学院 | Adjustable rings gymnastics thick stick |
CN214714162U (en) * | 2021-01-28 | 2021-11-16 | 江苏沃克安防科技有限公司 | Flat belt for outdoor exercise |
-
2021
- 2021-01-28 CN CN202110117299.9A patent/CN112791357B/en active Active
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1408355A (en) * | 1973-01-31 | 1975-10-01 | Jolly Jumper Prod Of America | Baby exerciser |
GB1536655A (en) * | 1975-11-12 | 1978-12-20 | Ashley Ltd F | Exercising device |
FR2461146A1 (en) * | 1979-07-12 | 1981-01-30 | Simond & Fils Ets Claudius | D=shaped snap hook for climber - has self-locking recoil sprung pivot gate with recoil sprung rotating locking sleeve which latches when gate is open |
CA2048111A1 (en) * | 1991-06-18 | 1992-12-19 | Patricio M. Gonzales | Adjustable leg exercising device |
US5209712A (en) * | 1991-06-24 | 1993-05-11 | Frederic Ferri | Proprioceptive exercise, training and therapy apparatus |
CN2199367Y (en) * | 1994-06-07 | 1995-05-31 | 董春楼 | Wire pulling non-return fastener |
JP2003325700A (en) * | 2002-05-15 | 2003-11-18 | Kiyoma Hamazaki | Forward and backward bending and stretching exercises assist tool for foot fingers |
CN2589782Y (en) * | 2002-12-31 | 2003-12-03 | 李韬鹏 | Fast connecting buckle for pressure-bearing heat collector |
DE202009002873U1 (en) * | 2009-03-03 | 2009-06-18 | Bänfer GmbH | Device for fixing a balancier belt |
US20120238421A1 (en) * | 2010-11-18 | 2012-09-20 | Klopman James E | Slackline apparatus and training method |
CN102068767A (en) * | 2011-01-26 | 2011-05-25 | 金来兴 | Multifunctional swinging and bodybuilding high-rise escaping device |
WO2016037203A1 (en) * | 2014-09-08 | 2016-03-17 | Weymayer Hubert | Dismantlable and portable device for supporting and holding slacklines |
CN104791419A (en) * | 2015-04-28 | 2015-07-22 | 赵燕京 | Un-disconnected sliding lock for outward-bound training and safety equipment provided with sliding lock |
CN207071203U (en) * | 2017-08-22 | 2018-03-06 | 东华理工大学 | A kind of suspension type arm strength stretching device |
CN107620780A (en) * | 2017-10-14 | 2018-01-23 | 江苏亚星锚链股份有限公司 | A kind of high intensity expanded letter shackle |
CN208436342U (en) * | 2018-08-03 | 2019-01-29 | 史长标 | Arm strength expands exerciser |
CN209809390U (en) * | 2019-03-21 | 2019-12-20 | 肇庆学院 | Adjustable rings gymnastics thick stick |
CN214714162U (en) * | 2021-01-28 | 2021-11-16 | 江苏沃克安防科技有限公司 | Flat belt for outdoor exercise |
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