CN109011374B - Sit-up auxiliary device - Google Patents
Sit-up auxiliary device Download PDFInfo
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- CN109011374B CN109011374B CN201810779435.9A CN201810779435A CN109011374B CN 109011374 B CN109011374 B CN 109011374B CN 201810779435 A CN201810779435 A CN 201810779435A CN 109011374 B CN109011374 B CN 109011374B
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- bottom plate
- roller
- sit
- pressing mechanism
- winding
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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
- A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
- A63B23/0205—Abdomen
- A63B23/0211—Abdomen moving torso with immobilized lower limbs
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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
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/045—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters having torsion or bending or flexion element
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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
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention belongs to the technical field of sports equipment, and particularly relates to a sit-up assisting device which comprises a bottom plate, an elastic cushion and a leg pressing mechanism, wherein a cavity is formed in the bottom plate; a winding roller is arranged in the inner cavity of the bottom plate, one side, close to the leg pressing mechanism, of the elastic cushion penetrates through the strip row holes formed in the bottom plate and is wound on the winding roller, and the driving unit drives the winding roller and winds the elastic cushion to adjust the distance between a user and the leg pressing mechanism; the leg pressing mechanism comprises a baffle arranged on the bottom plate, the baffle is provided with a supporting roller and an upper pressing roller which are parallel to the upper plate surface of the bottom plate and are sequentially arranged towards the direction far away from the bottom plate, and the baffle is provided with a telescopic fixing unit for adjusting the distance between the upper pressing roller and the supporting roller; according to the sit-up assisting device, the elastic cushion is matched with the winding roller arranged in the inner cavity of the bottom plate to adjust the distance between a user and the leg pressing mechanism, so that the sit-up assisting device can be conveniently and quickly adjusted to a comfortable exercise position according to users with different body types.
Description
Technical Field
The invention belongs to the technical field of sports equipment, and particularly relates to a sit-up assisting device.
Background
The sit-up is an effective exercise mode for training abdominal muscles, so that the elasticity of the abdominal muscles can be improved, and the effects of protecting the back and improving the posture can be achieved; in addition, the sit-up is not influenced by the field environment, and is a simple exercise mode which is quite suitable for the public. The sit-up is performed continuously by laying on the back, closing the legs, lifting the hands, contracting the abdominal muscles, swinging the arms forward to quickly set a sitting posture, continuously bending the upper body forward, touching the foot surface with the hands, lowering the head, and returning to the sitting posture. Many people need the assistance of others when doing sit-ups to help press the feet, otherwise, the people cannot get up; or, the existing sit-up assisting device cannot be adjusted according to users with different body types, and meanwhile, the training mode is single, so that the arm strength training cannot be carried out while sit-up is carried out; in addition, the quick fixed that is used for the shank can't be realized to current sit up auxiliary device, and can't adjust clamping force to satisfy the user and train under comparatively comfortable device is supplementary.
Disclosure of Invention
In view of the problems in the prior art, an object of the present invention is to provide a sit-up assisting device, which facilitates the fixation of the legs of the user and satisfies the requirement of the user to perform training in a more comfortable assisting environment.
In order to achieve the purpose, the invention adopts the following technical scheme:
an auxiliary device for sit-up comprises a bottom plate with a cavity inside, an elastic pad and a leg pressing mechanism, wherein the elastic pad and the leg pressing mechanism are arranged on the bottom plate;
a winding roller is arranged in the inner cavity of the bottom plate, one side, close to the leg pressing mechanism, of the elastic cushion penetrates through the strip row holes formed in the bottom plate and is wound on the winding roller, and the driving unit drives the winding roller and winds the elastic cushion to adjust the distance between a user and the leg pressing mechanism;
the leg pressing mechanism comprises a baffle arranged on the bottom plate, a supporting roller and an upper pressing roller are arranged on the baffle in sequence in a direction away from the bottom plate, and the baffle is provided with a telescopic fixing unit used for adjusting the distance between the upper pressing roller and the supporting roller.
Preferably, the two sides of the bottom plate are provided with stretching units, each stretching unit comprises a winding box, a rotating shaft is arranged in each winding box, and the axial length direction of each rotating shaft is perpendicular to the length direction of the bottom plate; a winding wheel is fixed on the shaft body of the rotating shaft, an elastic rope is wound on the winding wheel, and the elastic rope penetrates through the winding box and extends towards the direction far away from the leg pressing mechanism; a volute spiral spring is arranged between the rotating shaft and the winding box, a user pulls the elastic rope and drives the rotating shaft to rotate, and the elastic force of the volute spiral spring drives the elastic rope to be wound on the winding wheel again.
Preferably, the baffle plate is provided with a concave cavity penetrating through the baffle plate along the length direction vertical to the bottom plate, the upper compression roller is inserted into the concave cavity, the upper side wall of the concave cavity is provided with a sleeve, the opening of the sleeve faces downwards, a telescopic rod is inserted into the sleeve, a spring is arranged between the upper end of the telescopic rod and the bottom of the sleeve, and the lower end of the telescopic rod is fixedly connected with the upper compression roller; threaded holes are formed in the side wall of the sleeve for allowing bolts to be screwed to fix the telescopic rod.
Preferably, the two ends of the upper press roll are provided with dovetail grooves extending along the roll length direction of the upper press roll, and the dovetail grooves are arranged at intervals along the circumferential direction of the upper press roll and are in sliding fit with dovetail sliding blocks arranged at intervals on the inner annular surface of the sponge sleeve.
Preferably, the two sides of the bottom plate are provided with grooves, the notches of the grooves point outwards, the winding boxes extend inwards to the grooves to form connecting shafts, the overhanging end parts of the connecting shafts are fixedly provided with gears, and the gears are meshed with racks arranged on the lower side walls of the grooves.
Preferably, the overhanging end of the elastic rope is provided with a pull ring for being held by a user.
Preferably, the upper plate surface of the bottom plate is provided with a plurality of guide grooves, the groove length direction of the guide grooves is consistent with the length direction of the bottom plate, the lower side of the elastic pad is provided with a guide rubber strip, and the guide rubber strip is assembled in the guide grooves and moves in a reciprocating mode along the direction limited by the guide grooves.
Preferably, a guide roller is arranged on the wall of the hole opposite to the row of holes, and the elastic pad is attached to the guide roller and fixedly connected with a winding roller arranged in the cavity of the bottom plate.
Preferably, the driving unit comprises a driving motor arranged in the cavity of the bottom plate, the driving motor is respectively connected with the driving switch and the external power supply through connecting wires, and the driving motor, the driving switch and the external power supply form a complete closed loop; the driving switch is arranged on the end face of one side of the bottom plate far away from the leg pressing mechanism.
Compared with the prior art, the invention has the following technical effects:
1. according to the sit-up auxiliary device provided by the invention, the elastic cushion is matched with the winding roller arranged in the inner cavity of the bottom plate to adjust the distance between a user and the leg pressing mechanism, so that the sit-up auxiliary device can be conveniently and quickly adjusted to a comfortable exercise position according to users with different body types;
2. according to the leg pressing mechanism, the leg of a user can be fixed quickly, and the tightness can be adjusted quickly according to the requirements of the user.
Drawings
Fig. 1 is a schematic view of a sit-up assist device provided by the present invention;
fig. 2 is a sectional view of the sit-up assisting apparatus in the present invention;
FIG. 3 is a schematic cross-sectional view of the leg press mechanism;
FIG. 4 is a cross-sectional end view of the upper roll;
FIG. 5 is a schematic view of a stretching unit;
the reference numbers in the figures illustrate: 10-bottom plate, 11-winding roller, 12-row hole, 121-guide roller, 13-baffle, 131-concave cavity, 132-sleeve, 133-telescopic rod, 134-spring, 135-bolt, 14-groove, 141-rack, 15-guide groove, 20-elastic pad, 21-guide adhesive tape, 30-support roller, 40-upper press roller, 41-dovetail groove, 42-sponge sleeve, 421-dovetail slide block, 50-winding box, 51-rotating shaft, 52-winding wheel, 53-elastic rope, 531-pull ring, 55-connecting shaft and 551-gear.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the specific drawings.
Referring to fig. 1 and 2, the present invention provides a sit-up assisting device, which includes a bottom plate 10 having a cavity therein, and an elastic pad 20 and a leg pressing mechanism disposed on the bottom plate 10;
a winding roller 11 is arranged in an inner cavity of the bottom plate 10, one side, close to the leg pressing mechanism, of the elastic cushion 20 penetrates through the strip row holes 12 formed in the bottom plate 10 and is wound on the winding roller 11, and the driving unit drives the winding roller 11 and winds the elastic cushion 20 to adjust the distance between a user and the leg pressing mechanism;
the leg pressing mechanism comprises a baffle 13 arranged on the bottom plate 10, a supporting roller 30 and an upper pressing roller 40 which are parallel to the upper plate surface of the bottom plate 10 and are sequentially arranged in the direction far away from the bottom plate 10 are arranged on the baffle 13, and a telescopic fixing unit is arranged on the baffle 13 and used for adjusting the distance between the upper pressing roller 40 and the supporting roller 30.
The working principle of the sit-up assisting device is that a user sits on the elastic cushion 20, the winding roller 11 is driven by the driving unit to wind the elastic cushion 20 to enable the legs of the elastic cushion to be abutted against the supporting roller 30 at a proper distance, then the upper compression roller 40 is put down, the legs of the user are fixed by the telescopic fixing unit, and then sit-up training can be carried out; in the invention, the cooperation of the elastic cushion 20 and the winding roller 11 facilitates the user to adjust the distance between the elastic cushion and the leg pressing mechanism, and different from the traditional leg fixing device for sit-up, the user sits on the elastic cushion 20 and needs to move the buttocks and sit straight or lie down to experience whether the user is in a proper and comfortable training position.
Furthermore, in the present invention, the two sides of the bottom plate 10 are provided with stretching units, each stretching unit includes a rolling box 50, a rotating shaft 51 is arranged in the rolling box 50, and the axial length direction of the rotating shaft 51 is perpendicular to the length direction of the bottom plate 10; a winding wheel 52 is fixed on the shaft body of the rotating shaft 51, an elastic rope 53 is wound on the winding wheel 52, and the elastic rope 53 penetrates through the winding box 50 and extends towards the direction far away from the leg pressing mechanism; a spiral spring is arranged between the rotating shaft 51 and the winding box 50, a user pulls the elastic rope 53 and drives the rotating shaft 51 to rotate, and the elastic force of the spiral spring drives the elastic rope 53 to be wound on the winding wheel 52 again.
The spiral spring is used for connecting the rotating shaft 51 and the winding box 50, when a user performs sit-up training, the elastic rope 53 can be pulled, the pulling rope 53 drives the winding wheel 52 to rotate, so that the spiral spring is driven to rotate and accumulate torque, and when the user lies on the back again, the torque of the spiral spring is released and the elastic rope 53 is wound on the winding wheel 52 again. In the invention, the stretching units are symmetrically arranged on two sides of the bottom plate 10, so that a user can exercise the muscle of the arm while doing sit-up training, thereby enriching the functions of the traditional sit-up assisting device.
Further, as shown in fig. 3, in the present invention, a concave cavity 131 penetrating through the baffle 13 along the length direction of the vertical base plate 10 is formed on the baffle 13, the upper pressing roller 40 is inserted into the concave cavity 131, a sleeve 132 is arranged on the upper side wall of the concave cavity 131, a telescopic rod 133 is inserted into the sleeve 132 with a downward opening of the sleeve 132, a spring 134 is arranged between the upper end of the telescopic rod 133 and the bottom of the sleeve 132, and the lower end of the telescopic rod 133 is fixedly connected with the upper pressing roller 40; the side wall of the sleeve 132 is provided with a threaded hole for the bolt 135 to screw and fix the telescopic rod 133. Before fixing the user's leg, the bolt 135 is in a loosened state, the upper press roller 40 is lifted upwards, the spring 134 is compressed, and at this time, the user moves in a direction close to the leg pressing mechanism by the elastic pad 20 to adjust to a proper distance, then puts down the upper press roller 40, and then tightens the bolt 135 to fix the relative position of the upper press roller 40 and the support roller 30.
In the invention, the leg of the user is firmly fixed by clamping and matching the supporting roller 30 and the upper press roller 40, so that the user can smoothly perform sit-up training; furthermore, the support rollers 30 may also maintain the user's legs at a more comfortable height.
Referring to fig. 4, in order to further improve the comfort of the user during training and avoid crushing the legs of the user, the two ends of the upper pressing roller 40 are provided with dovetail grooves 41 extending along the roller length direction of the upper pressing roller, and the dovetail grooves 41 are arranged at intervals along the circumferential direction of the upper pressing roller 40 and are in sliding fit with dovetail sliding blocks 421 arranged at intervals on the inner annular surface of the sponge sleeve 42. In a specific assembling process, the dovetail block 421 of the sponge case 42 is opposite to the dovetail groove 41 of the upper pressure roller 40, and then pushed toward the inner side of the upper pressure roller 40 to complete the sheathing of the sponge case 42.
In the present invention, as shown in fig. 5, in order to ensure the stability of the reciprocating motion of the stretching unit, grooves 14 are formed at both sides of the base plate 10, the notches of the grooves 14 point outward, a connecting shaft 55 extends into the grooves 14 from the winding box 50, a gear 551 is fixed at the overhanging end of the connecting shaft 55, and the gear 551 is engaged with a rack 141 disposed at the lower side wall of the grooves 14. In the process of reciprocating movement of the stretching unit, one side of the winding box 50 is matched with the rack 141 arranged on the lower side wall of the groove 14, so that the reciprocating movement stability of the stretching unit is improved.
Further, according to the present invention, the hanging end of the elastic cord 53 is provided with a pull ring 531 to be held by a user.
In the invention, a plurality of guide grooves 15 are arranged on the upper plate surface of the bottom plate 10, the groove length direction of the guide grooves 15 is consistent with the length direction of the bottom plate 10, a guide rubber strip 21 is arranged on the lower side of the elastic pad 20, and the guide rubber strip 21 is assembled in the guide grooves 15 and moves back and forth along the direction limited by the guide grooves 15. The problem of dislocation and displacement of the elastic cushion 20 is prevented by the limit matching of the guide groove 15 and the guide rubber strip 21 arranged on the lower side of the elastic cushion 20.
Further, in order to ensure the stability of the movement of the elastic pad 20, a guide roller 121 is disposed on the opposite hole wall of the row of holes 12, and the elastic pad 20 abuts against the guide roller 121 and is fixedly connected with the wind-up roller 11 disposed in the cavity of the bottom plate 10.
In the invention, the driving unit comprises a driving motor arranged in the cavity of the bottom plate 10, the driving motor is respectively connected with a driving switch and an external power supply through connecting wires, and the driving motor, the driving switch and the external power supply form a complete closed loop; the driving switch is installed on the end face of one side of the bottom plate 10 far away from the leg pressing mechanism.
The sit-up assisting device provided by the invention is simple in structure, enriches the functions of the existing sit-up assisting device, and can exercise the abdominal muscles and the arm muscles; moreover, compared with a single sit-up exercise mode, the exercise mode of adding arm force and abdomen force is easier, and the exercise mode is suitable for assisting a beginner or a user who is too fat in the early stage and cannot continue sit-up training at once.
The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An auxiliary device for sit-up, characterized in that: comprises a bottom plate (10) with a cavity inside, an elastic pad (20) arranged on the bottom plate (10) and a leg pressing mechanism;
a winding roller (11) is arranged in an inner cavity of the bottom plate (10), one side, close to the leg pressing mechanism, of the elastic pad (20) penetrates through a strip line hole (12) formed in the bottom plate (10) and is wound on the winding roller (11), and the driving unit drives the winding roller (11) and winds the elastic pad (20) to adjust the distance between a user and the leg pressing mechanism;
leg pressing mechanism including setting up baffle (13) on bottom plate (10), be equipped with backup roll (30) and last compression roller (40) that the last face of parallel bottom plate (10) and the direction of keeping away from bottom plate (10) arranged in proper order on baffle (13), be equipped with flexible fixed unit on baffle (13) and be used for adjusting the interval between last compression roller (40) and backup roll (30).
2. A sit-up assist device according to claim 1, wherein: the two sides of the bottom plate (10) are provided with stretching units, each stretching unit comprises a winding box (50), a rotating shaft (51) is arranged in each winding box (50), and the axial length direction of each rotating shaft (51) is perpendicular to the length direction of the bottom plate (10); a winding wheel (52) is fixed on the shaft body of the rotating shaft (51), an elastic rope (53) is wound on the winding wheel (52), and the elastic rope (53) penetrates through the winding box (50) and extends towards the direction far away from the leg pressing mechanism; a volute spiral spring is arranged between the rotating shaft (51) and the winding box (50), a user pulls the elastic rope (53) and drives the rotating shaft (51) to rotate, and the elastic force of the volute spiral spring drives the elastic rope (53) to be wound on the winding wheel (52) again.
3. A sit-up assist device according to claim 1, wherein: the baffle (13) is provided with a concave cavity (131) penetrating through the baffle (13) along the length direction of the vertical bottom plate (10), the upper press roller (40) is inserted into the concave cavity (131), the upper side wall of the concave cavity (131) is provided with a sleeve (132), the opening of the sleeve (132) faces downwards, a telescopic rod (133) is inserted into the sleeve (132), a spring (134) is arranged between the upper end of the telescopic rod (133) and the bottom of the sleeve (132), and the lower end of the telescopic rod (133) is fixedly connected with the upper press roller (40); threaded holes are formed in the side wall of the sleeve (132) for bolts (135) to screw and fix the telescopic rod (133).
4. A sit-up assist device according to claim 1, wherein: the two ends of the upper pressing roller (40) are provided with dovetail grooves (41) extending along the roller length direction of the upper pressing roller, and the dovetail grooves (41) are arranged at intervals along the circumferential direction of the upper pressing roller (40) and are in sliding fit with dovetail slide blocks (421) arranged at intervals on the inner annular surface of the sponge sleeve (42).
5. A sit-up assist device according to claim 2, wherein: the two sides of the bottom plate (10) are provided with grooves (14), the notches of the grooves (14) point outwards, the winding box (50) extends into the grooves (14) to form a connecting shaft (55), the overhanging end part of the connecting shaft (55) is fixed with a gear (551), and the gear (551) is meshed with a rack (141) arranged on the lower side wall of the groove (14).
6. A sit-up assist device according to claim 2, wherein: the overhanging end part of the elastic rope (53) is provided with a pull ring (531) for being held by a user.
7. A sit-up assist device according to claim 1, wherein: the upper plate surface of the bottom plate (10) is provided with a plurality of guide grooves (15), the groove length direction of the guide grooves (15) is consistent with the length direction of the bottom plate (10), the lower side of the elastic pad (20) is provided with a guide rubber strip (21), and the guide rubber strip (21) is assembled in the guide grooves (15) and moves back and forth along the direction limited by the guide grooves (15).
8. A sit-up assist device according to claim 1, wherein: a guide roller (121) is arranged on the wall of the opposite hole of the strip row hole (12), and an elastic pad (20) is attached to the guide roller (121) and fixedly connected with a winding roller (11) arranged in the cavity of the bottom plate (10).
9. A sit-up assist device according to claim 1, wherein: the driving unit comprises a driving motor arranged in the cavity of the bottom plate (10), the driving motor is respectively connected with the driving switch and an external power supply through connecting wires, and the driving motor, the driving switch and the external power supply form a complete closed loop; the driving switch is arranged on the end face of one side of the bottom plate (10) far away from the leg pressing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810779435.9A CN109011374B (en) | 2018-07-16 | 2018-07-16 | Sit-up auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810779435.9A CN109011374B (en) | 2018-07-16 | 2018-07-16 | Sit-up auxiliary device |
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| CN109011374A CN109011374A (en) | 2018-12-18 |
| CN109011374B true CN109011374B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810779435.9A Active CN109011374B (en) | 2018-07-16 | 2018-07-16 | Sit-up auxiliary device |
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| CN (1) | CN109011374B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109925663A (en) * | 2019-04-17 | 2019-06-25 | 湖南文理学院 | Sports equipment is used in a kind of exercise of abdominal muscles |
| CN110354455B (en) * | 2019-07-26 | 2020-12-22 | 贵州理工学院 | A auxiliary device for sports training |
| CN111346341A (en) * | 2020-03-13 | 2020-06-30 | 山东劳动职业技术学院（山东劳动技师学院） | A multi-functional training sports apparatus for rolling up abdomen squats deeply |
| CN111569361B (en) * | 2020-05-26 | 2021-05-25 | 中国人民解放军空军军医大学 | Orthopedic vertebra stretching training bed |
| CN112006892A (en) * | 2020-09-10 | 2020-12-01 | 韩慧敏 | Spinal surgery nursing rehabilitation exerciser |
| CN112843608B (en) * | 2021-01-04 | 2022-07-01 | 山东京奥体育器材有限公司 | Sit-up training device for sports |
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| CN206543359U (en) * | 2017-03-04 | 2017-10-10 | 程孟琦 | A kind of sit-ups servicing unit |
| CN206604095U (en) * | 2017-04-07 | 2017-11-03 | 漯河职业技术学院 | A kind of physical culture sit-ups exercise apparatus |
| CN206965023U (en) * | 2017-05-24 | 2018-02-06 | 浙江俊峰健身器材有限公司 | A kind of abdominal boards of convenient use |
| CN207371053U (en) * | 2017-11-01 | 2018-05-18 | 王瑞东 | A kind of athletic training Multifunctional situp frame |
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| US9370679B2 (en) * | 2013-08-26 | 2016-06-21 | Spx Fitness, Inc. | Multi-axis adjustable exercise machine |
| US20150367168A1 (en) * | 2014-05-23 | 2015-12-24 | Coulter Ventures, Llc, D/B/A Rogue Fitness | Rack-mounted glute-ham developer and method for making the same |
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|---|---|---|---|---|
| CN206543359U (en) * | 2017-03-04 | 2017-10-10 | 程孟琦 | A kind of sit-ups servicing unit |
| CN206604095U (en) * | 2017-04-07 | 2017-11-03 | 漯河职业技术学院 | A kind of physical culture sit-ups exercise apparatus |
| CN206965023U (en) * | 2017-05-24 | 2018-02-06 | 浙江俊峰健身器材有限公司 | A kind of abdominal boards of convenient use |
| CN207371053U (en) * | 2017-11-01 | 2018-05-18 | 王瑞东 | A kind of athletic training Multifunctional situp frame |
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| CN109011374A (en) | 2018-12-18 |
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