CN112316390B - Flipper for relieving cramp in swimming - Google Patents
Flipper for relieving cramp in swimming Download PDFInfo
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- CN112316390B CN112316390B CN202011144434.0A CN202011144434A CN112316390B CN 112316390 B CN112316390 B CN 112316390B CN 202011144434 A CN202011144434 A CN 202011144434A CN 112316390 B CN112316390 B CN 112316390B
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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
- A63B31/00—Swimming aids
- A63B31/08—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs
- A63B31/10—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs held by, or attachable to, the hands or feet
- A63B31/11—Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs held by, or attachable to, the hands or feet attachable only to the feet
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The invention relates to a flipper for relieving cramping during swimming, which comprises a shoe body capable of being worn on the sole of a foot and a web sheet fixed at the front end of the shoe body, wherein the shoe body is connected with a leg wrapping piece sleeved outside a shank through a flexible piece, a stretching component capable of stretching the instep to reduce the angle between the instep and the shank is also connected between the leg wrapping piece and the shoe body, and a teaching component capable of correcting the swing of the foot is arranged on the stretching component. The invention can relieve cramp generated during swimming through the stretching assembly, can correct the swing posture of feet during normal swimming through the teaching assembly, and has simple structure and strong practicability.
Description
Technical Field
The invention relates to the field of swimming equipment, in particular to a flipper for relieving swimming cramps.
Background
The flipper provides strong advancing power for swimming and diving, the wide area of the flipper can provide strong power, and hands do not need to be scratched to generate power, so that the hands can be liberated to carry out other work. Big, stiff flippers work quickly, but are prone to fatigue and cramping. When the flippers are used for swimming, if the swing postures of the legs are not right, the physical strength consumption is accelerated, and resistance is caused to the swimming forward. When swimming, after the leg is subjected to primary cramping and is relieved, the probability of secondary cramping is increased, and the generation of multiple cramping needs to be prevented in order to avoid drowning caused by cramping during swimming; the device that has alleviated shank cramp passes through electric power and drives the foot and stretch, and the device is complicated, is not convenient for dress in real time, and needs to open through controller control, and reaction time is longer.
Disclosure of Invention
The invention aims to provide a flipper for relieving cramps during swimming, which is used for relieving cramps of feet during swimming and correcting the swinging posture of the feet during swimming.
The invention aims to realize the technical scheme that the shoe comprises a shoe body capable of being worn on the sole of a foot and a web piece fixed at the front end of the shoe body, wherein the shoe body is connected with a leg wrapping piece sleeved outside a lower leg through a flexible piece, a stretching assembly capable of stretching the instep to reduce the angle between the instep and the lower leg is further connected between the leg wrapping piece and the shoe body, and a teaching assembly capable of correcting the swing of the foot is arranged on the stretching assembly.
Preferably, the stretching assembly comprises: the device comprises a first slide rail, a second slide rail, a first slide groove, a second slide groove, a first slide block, a second slide block, a slide rod, a first spring, a safety stop block, a connecting rod, a supporting block, a bolt, an installation block and an arc-shaped clamping groove;
the first sliding rail is arranged on the shoe body, a first sliding groove is formed in the first sliding rail along the length direction of the sole, and a first sliding block is arranged in the first sliding groove in a sliding mode;
the second sliding rail is arranged on the leg wrapping piece, a second sliding groove is formed in the second sliding rail along the length direction of the leg, a sliding rod is arranged in the second sliding groove, a second sliding block and a first spring are sleeved on the sliding rod, the second sliding block is slidably arranged in the second sliding groove, one end of the first spring is connected with the bottom end face of the second sliding block, and the other end of the first spring is connected with the bottom end face of the second sliding groove;
a safety stop block is further fixed in the second sliding groove, the safety stop block is attached to the top end face of the second sliding block, and the safety stop block is made of a breakable material;
a supporting block is fixed on the first slide rail, one end of the bolt penetrates through the left side wall and the right side wall of the supporting block and is rotatably arranged on the supporting block, one end of the connecting rod can be detachably connected with the bolt, and the other end of the connecting rod is rotatably connected with a second slide block;
and the upper part of the second sliding rail is also fixedly provided with an installation block, the front wall of the installation block is provided with an arc-shaped clamping groove, and the arc-shaped clamping groove can be matched with the connecting rod.
Preferably, the teaching component comprises a first limiting block, a second spring, a first guide surface, a first pull rod and a third sliding groove;
the utility model discloses a flexible piece, including first spout, first stopper, first slide rail lateral wall, second spout, third spout, first pull rod, first stopper other end, first slide rail lateral wall, be connected with the second spring between first stopper and the third spout lateral wall, the third spout is seted up on the lateral wall of first spout, the direction of third spout and the direction mutually perpendicular of first spout, it is provided with first stopper to slide in the third spout, first stopper one end stretches out the third spout, first pull rod is connected to the first stopper other end, first pull rod other end break-over stretches out first slide rail lateral wall, be connected with the second spring between first stopper and the third spout lateral wall, the second spring housing is established on first pull rod, first stopper is kept away from and is provided with first spigot surface.
Preferably, the flipper further comprises a hot compress component which can carry out hot compress on the legs, and the hot compress component comprises a heating element, a closed heating cavity and a power supply connector;
the leg wrapping piece is provided with a leg heating cavity, the leg heating cavity is internally provided with a heating piece, the heating piece is electrically connected with a power supply connector, and the power supply connector is arranged on the leg wrapping piece.
Preferably, the flipper further comprises a reset locking assembly of the reset stretching assembly, and the reset locking assembly comprises: the locking rod, the locking hole, the second guide surface, the third spring, the fourth chute and the second pull rod are arranged in the groove;
the fourth sliding chute is formed in the side wall of the second sliding chute, the guiding direction of the fourth sliding chute is perpendicular to the guiding direction of the second sliding chute, the locking rod is arranged in the fourth sliding chute in a sliding mode, one end of the locking rod can correspond to the locking hole, the other end of the locking rod is connected with the second pull rod, and the other end of the second pull rod penetrates through the side wall of the second sliding rail and extends out of the side wall of the second sliding rail; the locking hole is formed in the side wall of the second sliding block, a third spring is connected between the locking rod and the side wall of the fourth sliding chute, the third spring is sleeved on the second pull rod, and a second guide surface facilitating the second sliding block to push the locking rod is further arranged on the locking rod;
when the safety block is not broken, the axis of the locking rod and the axis of the locking hole are not coincident.
Preferably, the reset locking assembly further comprises a second limiting block, the second limiting block is arranged in a second sliding groove below the second sliding block, and the minimum distance between the second limiting block and the second sliding block is a;
when the safety stop block is not broken off, the minimum distance between the axis of the locking rod and the axis of the locking hole is b; the a = b.
Due to the adoption of the technical scheme, the invention has the following advantages: 1. when the cramp is taken out during swimming, the connecting rod is used for breaking the safety stop block by exerting force in the direction close to the crus through the sole, and the second sliding block slides upwards under the action of the first spring, so that the connecting rod is driven to stretch the sole, the cramp is relieved, the device is started in a physical triggering mode as required, the energy is saved, the device is simplified, and the starting reaction time is short; 2. according to the swimming device, the first sliding block and the second sliding block are arranged along the first sliding rail and the second sliding rail in a sliding mode, so that the front-back swinging direction of the feet during swimming can be guided, and the left-right swinging of the feet during swimming is avoided; 3. the first limiting block is arranged to limit the swing amplitude of the feet during swimming, so that excessive physical consumption and resistance to swimming advancing caused by excessive swing amplitude of the feet are avoided, and the wrong swing of the feet during swimming is corrected conveniently; 4. the locking rod is matched with the locking hole in the second sliding block, so that the second sliding block can be reset when the cramp of the foot is relieved, and the flipper can swim normally; 5. in order to avoid the occurrence of secondary cramp during swimming, the second sliding block can drive the connecting rod for a plurality of times to stretch the foot to relieve cramp by pulling the pull rod, and the second sliding block is reset for a plurality of times so as to normally swim, so that cramp occurring during swimming can be relieved for a plurality of times.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
The drawings of the present invention are described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention at A;
FIG. 3 is an enlarged view of a portion of the present invention at B;
FIG. 4 is an enlarged view of a portion of the present invention at C;
FIG. 5 is a front view of the present invention;
FIG. 6 is a cross-sectional view taken at D-D of the present invention;
FIG. 7 is an enlarged view of a portion of the present invention at E;
FIG. 8 is a front view of the second slide rail, second slide block and reset lockout assembly of the present invention;
FIG. 9 is a cross-sectional view at F-F of the present invention;
FIG. 10 is a schematic view of the locking lever and second pull rod of the present invention;
FIG. 11 is a top view of the first slide rail and teaching assembly of the present invention;
FIG. 12 is a cross-sectional view taken at G-G of the present invention.
In the figure: 101. a shoe body; 102. web sheets; 103. a leg wrap; 104. a flexible member; 201. a first slide rail; 202. a second slide rail; 203. a first chute; 204. a second chute; 205. a first slider; 206. a second slider; 207. a slide bar; 208. a first spring; 209. a safety block; 210. a connecting rod; 211. a support block; 212. a bolt; 213. mounting blocks; 214. an arc-shaped clamping groove; 301. a first stopper; 302. a second spring; 303. a first guide surface; 304. a first pull rod; 305. a third chute; 401. a heat generating member; 402. a closed heating cavity; 403. a power supply connector; 501. a lock lever; 502. a locking hole; 503. a second guide surface; 504. a third spring; 505. a fourth chute; 506. a second pull rod; 601. and a second limiting block.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1 to 12, a flipper for relieving cramping during swimming includes a shoe body 101 capable of being worn on the sole of a foot and a fin sheet 102 fixed at the front end of the shoe body 101, the shoe body 101 is connected with a leg wrapping member 103 covering the lower leg through a flexible member 104, a stretching assembly capable of stretching the instep to reduce the angle between the instep and the lower leg is further connected between the leg wrapping member 103 and the shoe body 101, and a teaching assembly capable of correcting the swing of the foot is arranged on the stretching assembly.
The stretching assembly includes: the device comprises a first slide rail 201, a second slide rail 202, a first slide groove 203, a second slide groove 204, a first slide block 205, a second slide block 206, a slide rod 207, a first spring 208, a safety stop 209, a connecting rod 210, a supporting block 211, a bolt 212, a mounting block 213 and an arc-shaped clamping groove 214; the first slide rail 201 is arranged on the shoe body 101, a first slide groove 203 is formed in the first slide rail 201 along the length direction of the sole of a foot, and a first slide block 205 is arranged in the first slide groove 203 in a sliding manner; the second slide rail 202 is arranged on the leg wrapping piece 103, a second slide groove 204 is formed in the second slide rail 202 along the length direction of the leg, a slide rod 207 is arranged in the second slide groove 204, a second slide block 206 and a first spring 208 are sleeved on the slide rod 207, the second slide block 206 is slidably arranged in the second slide groove 204, one end of the first spring 208 is connected with the bottom end face of the second slide block 206, and the other end of the first spring 208 is connected with the bottom end face of the second slide groove 204; a safety stop 209 is further fixed in the second sliding groove 204, the safety stop 209 is attached to the top end face of the second sliding block 206, and the safety stop 209 is made of a breakable material; a supporting block 211 is fixed on the first slide rail 201, one end of a bolt 212 penetrates through the left and right side walls of the supporting block 211 and is rotatably arranged on the supporting block 211, one end of a connecting rod 210 can be detachably connected with the bolt 212, and the other end of the connecting rod 210 is rotatably connected with a second slide block 206; an installation block 213 is further fixed to the upper portion of the second slide rail 202, an arc-shaped slot 214 is formed in the front wall of the installation block 213, and the arc-shaped slot 214 can be matched with the connecting rod 210.
The teaching component comprises a first limiting block 301, a second spring 302, a first guide surface 303, a first pull rod 304 and a third sliding groove 305; third spout 305 sets up on the lateral wall of first spout 203, the direction of third spout 305 and the direction mutually perpendicular of first spout 203, it is provided with first stopper 301 to slide in the third spout 305, third spout 305 is stretched out to first stopper 301 one end, first pull rod 304 is connected to the first stopper 301 other end, first slide rail 201 lateral wall is stretched out in the break-over of the first pull rod 304 other end, be connected with second spring 302 between first stopper 301 and the third spout 305 lateral wall, second spring 302 cover is established on first pull rod 304, first stopper 301 is provided with first spigot surface 303 on keeping away from the lateral wall of flexible piece 104, first spigot surface 303 can cooperate with first slider 205.
The flipper also comprises a hot compress component which can carry out hot compress on the legs, and the hot compress component comprises a heating element 401, a closed heating cavity 402 and a power supply connector 403; the closed heating cavity 402 is arranged in the leg wrapping piece 103, a heating piece 401 is arranged in the closed heating cavity 402, the heating piece 401 is electrically connected with a power supply connector 403, and the power supply connector 403 is arranged on the leg wrapping piece 103.
The fin is still including the locking subassembly that resets of tensile subassembly that resets, the locking subassembly that resets includes: a locking rod 501, a locking hole 502, a second guide surface 503, a third spring 504, a fourth sliding chute 505 and a second pull rod 506; the fourth sliding chute 505 is arranged on a side wall of the second sliding chute 204, a guiding direction of the fourth sliding chute 505 is perpendicular to a guiding direction of the second sliding chute 204, the locking rod 501 is slidably arranged in the fourth sliding chute 505, one end of the locking rod 501 can correspond to the locking hole 502, the other end of the locking rod 501 is connected with a second pull rod 506, and the other end of the second pull rod 506 penetrates through and extends out of a side wall of the second sliding rail 202; the locking hole 502 is arranged on the side wall of the second slider 206, a third spring 504 is connected between the side wall of the locking rod 501 and the side wall of the fourth sliding chute 505, the third spring 504 is sleeved on the second pull rod 506, and the locking rod 501 is further provided with a second guide surface 503 which is convenient for the second slider 206 to push the locking rod 501; when the safety block 209 is not broken, the locking rod 501 is not aligned with the axis of the locking hole 502.
The reset locking assembly further comprises a second limiting block 601, the second limiting block 601 is arranged in the second sliding groove 204 below the second sliding block 206, and the minimum distance between the second limiting block 601 and the second sliding block 206 is a; when the safety block 209 is not broken, the minimum distance between the axis of the locking rod 501 and the axis of the locking hole 502 is b; the a = b; after relieving the cramp, the second limiting block 601 will limit the downward sliding stroke of the second slider 206, so that the locking rod 501 just matches with the locking hole 502 to lock the sliding of the second slider 206, and the position of the second slider 206 can be quickly reset.
According to the working principle of the embodiment, when the cramp is relieved when swimming is not needed, the bolt 212 is used for detaching the connecting rod 210, and the connecting rod 210 is upwards rotated and clamped into the arc-shaped clamping groove 214, so that the connecting rod 210 can be prevented from influencing a skilled diver to dive;
when normal swimming is needed, the safety block 209 blocks the second sliding block 206 from sliding upwards, and the normal function of paddling the flippers can be realized by the front-back sliding of the first sliding block 205 in the first sliding groove 203;
when the first slider 205 slides in the first sliding groove 203, the first slider 205 is matched with the first guide surface 303 on the first limiting block 301, the first limiting block 301 can be pushed to slide along the third sliding groove 305 and compress the second spring 302, when the first slider 205 slides over the first limiting block 301, the first limiting block 301 extends out of the third sliding groove 305 again under the action of the elastic force of the second spring 302, and the first slider 205 can limit the front-back sliding distance of the first slider 205 due to the position limitation of the first limiting block 301, so that the rotating angle of the foot and the calf is limited; when the foot is cramped, the first pull rod 304 is pulled to pull the first limit block 301 into the third sliding groove 305 again, the first sliding block 205 can slide and abut against the front end position of the first sliding groove 203, the instep is forced upwards again, when the second sliding block 206 applies force to the safety stop 209, the safety stop 209 is broken, the second sliding block 206 slides upwards under the action of the elastic force of the first spring 208, the instep can be stretched through the connecting rod 210, and therefore the angle between the instep and the lower leg is reduced, and therefore the cramp is relieved; after the cramp is relieved, the second slider 206 slides downwards, the second slider 206 is matched with the second guide surface 503, the locking rod 501 is pushed into the fourth sliding chute 505, the third spring 504 is compressed, and when the second slider 206 slides downwards again, the third spring 504 pushes the locking rod 501 to be matched with the locking hole 502, so that the second slider 206 is locked and cannot slide upwards; when cramping occurs again during swimming, the second pull rod 506 is pulled to drive the locking rod 501 to be disengaged from the locking hole 502 again, the second sliding block 206 slides upwards again under the action of the first spring 208, and cramping is relieved again; during cramping, still can supply power to heating member 401 and generate heat through power connector 403 external power source, heating member 401 generates heat and can carry out the hot compress to the shank, alleviates cramp simultaneously.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (4)
1. A flipper for relieving cramps during swimming comprises a shoe body (101) capable of being worn on the sole of a foot and a fin sheet (102) fixed at the front end of the shoe body (101), and is characterized in that the shoe body (101) is connected with a leg wrapping piece (103) sleeved outside a lower leg through a flexible piece (104), a stretching assembly capable of stretching the instep to reduce the angle between the instep and the lower leg is further connected between the leg wrapping piece (103) and the shoe body (101), and a teaching assembly capable of correcting the swing of the foot is arranged on the stretching assembly;
the stretching assembly includes: the device comprises a first slide rail (201), a second slide rail (202), a first slide groove (203), a second slide groove (204), a first slide block (205), a second slide block (206), a slide rod (207), a first spring (208), a safety stop block (209), a connecting rod (210), a supporting block (211), a bolt (212), a mounting block (213) and an arc-shaped clamping groove (214);
the first sliding rail (201) is arranged on the shoe body (101), a first sliding groove (203) is formed in the first sliding rail (201) along the length direction of the sole of a foot, and a first sliding block (205) is arranged in the first sliding groove (203) in a sliding manner;
the second sliding rail (202) is arranged on the leg wrapping piece (103), a second sliding groove (204) is formed in the second sliding rail (202) along the length direction of the leg, a sliding rod (207) is arranged in the second sliding groove (204), a second sliding block (206) and a first spring (208) are sleeved on the sliding rod (207), the second sliding block (206) is arranged in the second sliding groove (204) in a sliding mode, one end of the first spring (208) is connected with the bottom end face of the second sliding block (206), and the other end of the first spring (208) is connected with the bottom end face of the second sliding groove (204);
a safety stop (209) is further fixed in the second sliding groove (204), the safety stop (209) is attached to the top end face of the second sliding block (206), and the safety stop (209) is made of a breakable material;
a supporting block (211) is fixed on the first sliding rail (201), one end of a bolt (212) penetrates through the left side wall and the right side wall of the supporting block (211) and is rotatably arranged on the supporting block (211), one end of a connecting rod (210) can be detachably connected with the bolt (212), and the other end of the connecting rod (210) is rotatably connected with a second sliding block (206);
an installation block (213) is further fixed to the upper portion of the second slide rail (202), an arc-shaped clamping groove (214) is formed in the front wall of the installation block (213), and the arc-shaped clamping groove (214) can be matched with the connecting rod (210);
the teaching component comprises a first limiting block (301), a second spring (302), a first guide surface (303), a first pull rod (304) and a third sliding groove (305);
the third sliding chute (305) is arranged on the side wall of the first sliding chute (203), the guiding direction of the third sliding chute (305) is vertical to the guiding direction of the first sliding chute (203), a first limit block (301) is arranged in the third sliding groove (305) in a sliding manner, one end of the first limit block (301) extends out of the third sliding groove (305), the other end of the first limiting block (301) is connected with a first pull rod (304), the other end of the first pull rod (304) penetrates through and extends out of the side wall of the first sliding rail (201), a second spring (302) is connected between the first limiting block (301) and the side wall of the third sliding groove (305), the second spring (302) is sleeved on the first pull rod (304), a first guide surface (303) is arranged on the side wall, away from the flexible part (104), of the first limiting block (301), and the first guide surface (303) can be matched with the first sliding block (205).
2. A fin for relieving cramps during swimming according to claim 1, wherein the fin further comprises a heat pack for applying heat to the legs, the heat pack comprises a heat generating member (401), a closed heat generating chamber (402), and a power connector (403);
the leg heating device is characterized in that the closed heating cavity (402) is formed in the leg wrapping piece (103), a heating piece (401) is arranged in the closed heating cavity (402), the heating piece (401) is electrically connected with the power connector (403), and the power connector (403) is arranged on the leg wrapping piece (103).
3. A fin to alleviate cramping during swimming according to claim 1, characterized in that the fin further comprises a reset lock assembly with a reset tension assembly, the reset lock assembly comprising: the locking device comprises a locking rod (501), a locking hole (502), a second guide surface (503), a third spring (504), a fourth sliding chute (505) and a second pull rod (506);
the fourth sliding chute (505) is formed in the side wall of the second sliding chute (204), the guiding direction of the fourth sliding chute (505) is perpendicular to the guiding direction of the second sliding chute (204), the locking rod (501) is arranged in the fourth sliding chute (505) in a sliding mode, one end of the locking rod (501) can correspond to the locking hole (502), the other end of the locking rod is connected with the second pull rod (506), and the other end of the second pull rod (506) penetrates through and extends out of the side wall of the second sliding rail (202); the locking hole (502) is formed in the side wall of the second sliding block (206), a third spring (504) is connected between the locking rod (501) and the side wall of the fourth sliding chute (505), the third spring (504) is sleeved on the second pull rod (506), and a second guide surface (503) which is convenient for the second sliding block (206) to push the locking rod (501) is further arranged on the locking rod (501);
when the safety block (209) is not broken, the axis of the locking rod (501) and the axis of the locking hole (502) are not coincident.
4. A fin for alleviating swimming cramps according to claim 3, characterized in that the reset locking component further comprises a second limiting block (601), the second limiting block (601) is arranged in the second sliding groove (204) under the second sliding block (206), and the minimum distance from the second limiting block (601) to the second sliding block (206) is a;
when the safety block (209) is not broken, the minimum distance between the axis of the locking rod (501) and the axis of the locking hole (502) is b; the a = b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144434.0A CN112316390B (en) | 2020-10-23 | 2020-10-23 | Flipper for relieving cramp in swimming |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144434.0A CN112316390B (en) | 2020-10-23 | 2020-10-23 | Flipper for relieving cramp in swimming |
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| Publication Number | Publication Date |
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| CN112316390A CN112316390A (en) | 2021-02-05 |
| CN112316390B true CN112316390B (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011144434.0A Active CN112316390B (en) | 2020-10-23 | 2020-10-23 | Flipper for relieving cramp in swimming |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113084780A (en) * | 2021-03-29 | 2021-07-09 | 新疆大学 | Lower limb assistance exoskeleton seat capable of being adjusted at multiple angles |
| CN114712821B (en) * | 2022-04-20 | 2023-05-09 | 西昌学院 | Swimming training device for physical education |
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| CN1065407A (en) * | 1991-04-02 | 1992-10-21 | 林锡伟 | Swimming shoes with webs |
| CN2096390U (en) * | 1991-07-20 | 1992-02-19 | 杜庆军 | Fin |
| JP2000503216A (en) * | 1996-01-11 | 2000-03-21 | マッカーシィ，ピーター，トマス | Highly efficient hydrofoil and swim fin design |
| US6881113B2 (en) * | 2002-12-06 | 2005-04-19 | R. Evan Smith | Propulsion device for use with swimmers |
| CN1739824A (en) * | 2004-08-23 | 2006-03-01 | 李欣 | Swimming aid |
| CN101454053A (en) * | 2006-05-16 | 2009-06-10 | 泰克尼萨布公开有限公司 | Flipper |
| WO2015089568A1 (en) * | 2013-12-19 | 2015-06-25 | Hogben Ian | A swim fin |
| CN206007942U (en) * | 2016-08-19 | 2017-03-15 | 广州市宏来鞋业有限公司 | A kind of modified model frog footwear |
| CN206730381U (en) * | 2017-03-10 | 2017-12-12 | 邯郸学院 | A kind of anti-swimming preheating device that knots of safety |
| CN207153011U (en) * | 2017-05-10 | 2018-03-30 | 朱光 | A kind of balance force application apparatus for being used to swim |
| CN207153009U (en) * | 2017-07-13 | 2018-03-30 | 朱光 | A kind of intelligent alterable tail fin equipment for being used to swim |
| CN107866044A (en) * | 2017-11-26 | 2018-04-03 | 防城港市蓝瀚达科技有限公司 | A kind of people disorderly pedals the bathing shoes for producing buoyancy after drowned |
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