CN106730620A - A kind of abdomen-building machine containing guide rail - Google Patents

A kind of abdomen-building machine containing guide rail Download PDF

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Publication number
CN106730620A
CN106730620A CN201611225305.8A CN201611225305A CN106730620A CN 106730620 A CN106730620 A CN 106730620A CN 201611225305 A CN201611225305 A CN 201611225305A CN 106730620 A CN106730620 A CN 106730620A
Authority
CN
China
Prior art keywords
guide rail
abdomen
building machine
machine containing
horizontal support
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.)
Pending
Application number
CN201611225305.8A
Other languages
Chinese (zh)
Inventor
罗向兼
陈世伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Polytechnic Normal University
Original Assignee
Guangdong Polytechnic Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Polytechnic Normal University filed Critical Guangdong Polytechnic Normal University
Priority to CN201611225305.8A priority Critical patent/CN106730620A/en
Publication of CN106730620A publication Critical patent/CN106730620A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/20Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising
    • A63B22/201Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising for moving a support element in reciprocating translation, i.e. for sliding back and forth on a guide track
    • A63B22/203Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising for moving a support element in reciprocating translation, i.e. for sliding back and forth on a guide track in a horizontal plane
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00Exercising apparatus specially adapted for particular parts of the body
    • A63B23/02Exercising 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)
    • A63B23/0205Abdomen

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Pulmonology (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention belongs to field of exercise equipment, essentially disclose a kind of abdomen-building machine containing guide rail, the abdomen-building machine includes cross bar, and rotatably it is set in the rolling member in the middle part of cross bar, the abdomen-building machine also includes Horizontal support, being arranged on support can be to the guide rail of the motion guide of rolling member, and the damper being connected with the rolling member.When using, user tempers posture use using conventional power roller.From unlike existing power roller, the abdomen-building machine is provided with guide rail and rolling member is oriented to, body inclination can be prevented, exercise quality is improved, while the damper for setting can increase resistance to the advance of rolling member, prevent in motion process, user grasps dynamics not enough, out of hand and cause the amplitude of leaning forward excessive, causes waist and belly muscle damage, even face strikes ground, damages.

Description

A kind of abdomen-building machine containing guide rail
Technical field
The invention belongs to field of exercise equipment, specifically, a kind of abdomen-building machine containing guide rail is designed.
Background technology
At present, people more pay attention to healthy, more positive to taking exercises.Wherein, the exercise of belly is particularly weighed Will.The existing fitness product for belly mainly has board for lying on back, the strong abdomen of the action of forward lean by sit-ups action Wheel etc., wherein power roller is a kind of high-order energy exercising apparatus, can effective excercising muscle at abdominal part.
Power roller generally comprises two ends and sets handled cross bar and the wheel being rotatably set on cross bar.Strong abdomen The application method of wheel is that power roller is placed on into ground, and user is held using the modes such as kneeling position or stance, forward lean, both hands Firmly the handle of power roller releases forward power roller, and then power roller is pulled back to body direction by the strength of belly again, weight Multiple this action.It should be evident that in ground push-and-pull, wheel easily wanders off, cause body inclination so as to influence train on, its Secondary, new hand grasps bad power, easily out of control to cause the amplitude of leaning forward excessive, and then causes waist muscle to be damaged.Work as forward lean Angle is excessive, more ground proximity when, it is necessary to power of waist belly it is bigger, it is easy to it is out of hand and face is bumped against bottom surface and cause Injury.
The content of the invention
It is an object of the invention to overcome the shortcomings of the shortcoming existing for existing body-building apparatus, particularly power roller, there is provided One kind uses reliable, safety, the abdomen-building machine of easy left-hand seat.
Used as improvement of the invention, the technical problem that the present invention is further solved is to provide one kind can allow beginner to be known from The abdomen-building machine of oneself action difficulty.
A kind of abdomen-building machine containing guide rail is provided, the abdomen-building machine comprising Horizontal support, can be rolled on Horizontal support Tourelle, the guide rail being oriented to the motion of tourelle is arranged on support, and by transmission mechanism and the rolling The damper of dynamic device connection.
Further, the abdomen-building machine also includes that one is inclined at the pedal on Horizontal support, and the pedal is arranged on One end of Horizontal support, is provided with anti-skid structure on the pedal, the pedal angle of inclination is between 20-60 °.
Further, the end of the guide rail is provided with the locating part for limiting tourelle motion.
Further, two setter plates are provided with the guide rail, the setter plate is respectively arranged at the two of the guide rail Side.
Further, it is provided with measurement structure on the abdomen-building machine.
Further, the bottom of the Horizontal support is provided with anti-skid structure.
Further, the tourelle includes that both sides set handled scroll wheel.
Further, the guide rail includes two guide rods for being respectively provided with directed cavity, and the directed cavity is used to accommodate the rolling The handle of driving wheel, described two guide rods are arranged side by side, and the guide rail being arranged side by side is used to accommodate the scroll wheel, the guide rod with it is sleeping The direction of formula guide rail is identical.
Further, the transmission mechanism includes that one is fixed on pillar inside Horizontal support, and rotated around pillar Drive, the scroll wheel is connected by connecting rope with the drive, and the drive is connected with the damper, scroll wheel The diameter with diameter greater than drive, be 1.8:1-6:1 is interval interior.
Further, the damper is arranged on the inside of horizontal guide rail, and the damper includes hollow with end cap Cylinder body and the connecting rod through cylinder body, connecting rod middle part are provided with keeper, and connecting rod is divided into the by the locating rod One connecting rod and the second connecting rod, are cased with a compression of metals spring on the head rod, one end of compression of metals spring connects The end cap of cylinder body one end is connect, the other end is connected to the side of keeper, and described compression of metals spring is cylindrical screw compression bullet Spring.
Relative to prior art, the beneficial effects of the present invention are, there is provided a kind of abdomen-building machine containing guide rail, due to setting Guide rail is equipped with, wheel movement locus is defined, so that body remains straight line posture, it is ensured that can allow forging while safe Refining position more accurate and effective.The drawbacks of overcoming traditional power roller and easily wander off.Meanwhile, when body kinematics lean forward amplitude increase When, the built-in damper of this abdomen-building machine can work, and increase the resistance for advancing, it is not easy to act out of control, it is ensured that temper safety, The drawbacks of overcoming traditional power roller and be difficult to control to dynamics.
Further beneficial effect of the invention is that guide rail end is provided with locating part, is approached when preventing body from excessively leaning forward Ground bumps against face, it is to avoid the injury that power roller is caused when out of control.And disclose the connection machine of damper and tourelle Structure, the innovation and creation small volume, low cost, compact conformation.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is the structural representation at another visual angle of the invention;
Fig. 3 is the side view of structural representation of the invention;
Fig. 4 is the structural representation that damper of the present invention is connected with tourelle by transmission mechanism;
Fig. 5 is the structural representation of damping of the invention.
Have in Fig. 1-Fig. 5:
1- Horizontal supports;101- rubber blankets;11- pedals;12- setter plates;13- guide rails;131- top guide bars;Led under 132- Bar;14- tourelles;141- handles;142- scroll wheels;15- locating parts;2- transmission mechanisms;21- drives;22- pillars;23- Connecting rope;3- dampers;301- cylinder bodies;302- end caps;303- head rods;The connecting rods of 304- second;305- compression of metals Spring;306- cavitys;307- keepers.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can be with It is directly to another element or may be simultaneously present centering elements.
In addition, also, it should be noted that the orientation term such as left and right, upper and lower in the embodiment of the present invention, only relative each other Concept or to treat that the normal operating condition of punching part is reference, and should not be regarded as restrictive.Hereinafter tie Specific embodiment is closed to be described in detail realization of the invention.
The present invention provides a kind of abdomen-building machine containing guide rail 13, and the abdomen-building machine includes Horizontal support 1, can be in Horizontal support On 1 roll tourelle 14, be arranged on support the guide rail 13 being oriented to the motion of tourelle 14, and by biography The damper 3 that motivation structure 2 is connected with the tourelle 14.Due to being provided with guide rail 13, wheel movement locus is defined, so that So that body remains straight line posture, it is ensured that can be allowed while safe and temper position more accurate and effective.Overcome tradition strong The drawbacks of abdomen wheel easily wanders off.Meanwhile, when body kinematics leans forward amplitude increase, the built-in damper 3 of this abdomen-building machine can be acted as With, increasing the resistance for advancing, it is out of control that user is not easy action, it is ensured that safety during exercise, overcomes traditional power roller The drawbacks of being difficult to control to dynamics.
Further, the abdomen-building machine also includes that one is inclined at the pedal 11 on Horizontal support 1, and the pedal 11 sets Put and anti-skid structure be provided with one end of Horizontal support 1, the pedal 11, the angle of inclination of the pedal 11 20-60 ° it Between.Both feet are trampled on pedal 11 when using, forward lean, both hands hold tourelle 14 and make tourelle 14 forward along The direction of guide rail 13 is moved, and pedal 11 provides settlement and thrust for the both feet of user, and when using, user's body is above the waist With the lower part of the body in the same horizontal line, the standard of specification motion, 20-60 ° of angle design is that more suitable user foot puts The angle put, meets body mechanics.Meanwhile, pedal 11 is also additionally arranged anti-skid structure, and the anti-skid structure includes but is not limited to horizontal stroke Line or sags and crests, are used to strengthen the security of motion.In other embodiments, pedal 11 can also change into it is horizontal step on post or Person other can place user both feet structure.
Further, the end of the guide rail 13 is provided with the locating part 15 for limiting the motion of tourelle 14. In the present embodiment, the locating part 15 is the crossbeam for being arranged on the end of guide rail 13.When tourelle 14 is moved at crossbeam, quilt Crossbeam is limited, it is impossible to promoted forward again.In other embodiments, the locating part 15 can also be other structures, even Can adjust the structure of the position on Horizontal support 1.So that the invention can adapt to the exercise of different crowd, body is prevented Face is bumped against close to ground, it is to avoid the user wound for causing the over-travel of tourelle 14 and causing out of control when excessively leaning forward Evil.
Further, two setter plates 12 are provided with the guide rail 13, the setter plate 12 is respectively arranged at described leading The both sides of rail 13.Setter plate 12 is used to place the knee of user, increased the comfortableness of motion.In the particular embodiment, Setter plate 12 can adjust the position on Horizontal support 1.So as to suitable different crowd or different motion stages.
Further, it is provided with measurement structure on the abdomen-building machine.In the present embodiment, the measurement structure is to be arranged on Gauge table on guide rail 13, gage surface is to user, when promotion tourelle 14, the meeting of tourelle 14 edge in gauge table The direction for user movement moves back and forth, and in the production phase, difficulty and the displacement that tourelle 14 is taken exercise is gone out by experimental calculation Relation between point, enter carries out indicating the exercise intensity that diverse location is represented on the surface of gauge table.Which can be directly perceived Allow user to observe the exercise degree-of-difficulty factor at itself existing place, so as to adjust the exercise intensity of itself.
Further, the bottom of the Horizontal support 1 is provided with anti-skid structure.Anti-skid structure include but is not limited to band or The raised rubber blanket 101 of person, is used to prevent the skew during exercise of whole abdomen-building machine, and simple structure can also strengthen the peace of motion Quan Xing.
Further, the tourelle 14 is provided with the scroll wheel 142 of handle 141 including both sides.Handle 141 is mainly Comfortableness and fixing that user holds tourelle 14 are improved, prevents from slipping out of the hand.
Further, the guide rail 13 includes two guide rods for being respectively provided with directed cavity, and the directed cavity is described for accommodating The handle 141 of scroll wheel 142, described two guide rods are arranged side by side, and the guide rail 13 being arranged side by side is used to accommodate the scroll wheel 142, the guide rod is identical with the direction of horizontal guide rail 13.The directed cavity is that have the lower guide rod by top guide bar 131 and inverse u shape The cavity of 132 compositions.The design structure is compact, it is easy to produce.
Further, the transmission mechanism 2 includes that one is fixed on the pillar 22 inside Horizontal support 1, and around pillar 22 The drive 21 of rotation, the tourelle 14 is connected by connecting rope 23 with the drive 21, the drive 21 and institute Damper 3 is stated to connect.In a particular embodiment, the diameter with diameter greater than drive 21 of scroll wheel 142, it is therefore preferable to 1.8:1-6:1.Pillar 22 is fixed on inside Horizontal support 1, and drive 21 rotates on pillar 22, and user promotes scroll wheel 142 roll when, because scroll wheel 142 is relatively large in diameter, thus scroll wheel 142 with larger stroke motion when, drive 21 rotates Stroke it is shorter so that the movement length of the damper 3 required for reducing, the damper 3 of short stroke can be also applied in the present invention In so that compact conformation of the present invention, required Horizontal support 1 is substantially reduced, and saves steel and exercise space.
Further, the damper 3 is arranged on the inside of horizontal guide rail 13, and the damper 3 includes carrying end cap 302 Hollow cylinder 301 and the connecting rod through cylinder body 301, connecting rod middle part is provided with keeper 307, the locating rod Connecting rod is divided into the connecting rod 304 of head rod 303 and second, a compression of metals bullet is cased with the head rod 303 Spring 305, the end cap 302 of one end connection cylinder body 301 one end of compression of metals spring 305, the other end is connected to the one of keeper 307 Side, described compression of metals spring 305 is cylindroid helical-coil compression spring.Hollow cylinder 301 has a cavity 306, the He of keeper 307 Compression of metals spring 305 is placed in the cavity 306 of cylinder body 301, one end point of the connecting rod 304 of head rod 303 and second The not homonymy of cylinder body 301 is not stretched out, head rod 303 is fixedly connected in Horizontal support 1, the connection of the second connecting rod 304 is passed Driving wheel 21.When user promotes scroll wheel 142, scroll wheel 142 drives drive 21 to rotate by connecting rope 23, so as to pull The displacement of second connecting rod 304, compression of metals spring 305 is compressed, and produces resistance.The simple structure of damper 3 of the present embodiment, no The phenomenon of leakage is had, this vertical pull weights can be allowed to be applied to public health-care facilities field, increased the service life, reduce corrupted and dimension Repair rate.Certainly, in other embodiments, it is then that its is close during viscous medium can also pour into the cavity 306306 of cylinder body 301 Envelope, increases the resistance of damper 3.
Embodiment described above, the only specific embodiment of the invention, but protection scope of the present invention is not limited thereto, Any one skilled in the art the invention discloses technical scope in, various equivalent repairing can be readily occurred in Change, replace and improve etc., these modifications, replacement and improvement should all be included within the scope of the present invention.Therefore, this hair Bright protection domain should be defined by scope of the claims.

Claims (10)

1. a kind of abdomen-building machine containing guide rail, it is characterised in that:The abdomen-building machine includes Horizontal support, can be rolled on Horizontal support Dynamic tourelle, the guide rail being oriented to the motion of tourelle is arranged on support, and by transmission mechanism and institute State the damper of tourelle connection.
2. a kind of abdomen-building machine containing guide rail according to claim 1, it is characterised in that:The abdomen-building machine also inclines including one The pedal on Horizontal support is tiltedly arranged on, the pedal is arranged on one end of Horizontal support, anti-Slipped Clove Hitch is provided with the pedal Structure, the pedal angle of inclination is between 20-60 °.
3. a kind of abdomen-building machine containing guide rail according to claim 1, it is characterised in that:The end of the guide rail is set There is the locating part for limiting tourelle motion.
4. a kind of abdomen-building machine containing guide rail according to claim 1, it is characterised in that:Two are provided with the guide rail Setter plate, the setter plate is respectively arranged at the both sides of the guide rail.
5. a kind of abdomen-building machine containing guide rail according to claim 1, it is characterised in that:Meter is provided with the abdomen-building machine Amount structure.
6. a kind of abdomen-building machine containing guide rail according to claim 1, it is characterised in that:The bottom of the Horizontal support sets It is equipped with anti-skid structure.
7. a kind of abdomen-building machine containing guide rail according to claim 1, it is characterised in that:The tourelle includes both sides Handled scroll wheel is set.
8. a kind of abdomen-building machine containing guide rail according to claim 7, it is characterised in that:The guide rail has including two There is the guide rod of directed cavity, the directed cavity is used to accommodate the handle of the scroll wheel, and described two guide rods are arranged side by side, set side by side The guide rail put is used to accommodate the scroll wheel, and the guide rod is identical with the direction of horizontal guide rail.
9. according to a kind of any described abdomen-building machine containing guide rail of claim 8, it is characterised in that:The transmission mechanism includes One is fixed on the pillar inside Horizontal support, and the drive rotated around pillar, the scroll wheel by connecting rope with it is described Drive is connected, and the drive is connected with the damper, and the diameter with diameter greater than drive of scroll wheel, is 1.8:1-6: 1 is interval interior.
10. according to a kind of any described abdomen-building machines containing guide rail of claim 1-8, it is characterised in that:The damper sets Put in the inside of horizontal guide rail, the damper includes the hollow cylinder with end cap and the connecting rod through cylinder body, described Connecting rod middle part is provided with keeper, and connecting rod is divided into head rod and the second connecting rod, described first by the locating rod A compression of metals spring is cased with connecting rod, the end cap of one end connection cylinder body one end of compression of metals spring, the other end is connected to The side of keeper, described compression of metals spring is cylindroid helical-coil compression spring.
CN201611225305.8A 2016-12-27 2016-12-27 A kind of abdomen-building machine containing guide rail Pending CN106730620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611225305.8A CN106730620A (en) 2016-12-27 2016-12-27 A kind of abdomen-building machine containing guide rail

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611225305.8A CN106730620A (en) 2016-12-27 2016-12-27 A kind of abdomen-building machine containing guide rail

Publications (1)

Publication Number Publication Date
CN106730620A true CN106730620A (en) 2017-05-31

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107626080A (en) * 2017-11-13 2018-01-26 天津工业大学 A kind of Novel body building apparatus of the skid compound motion containing swing
CN108992984A (en) * 2018-09-12 2018-12-14 佛山市金凯地过滤设备有限公司 A kind of turnover panel adjustment structure and the filter press using it
CN109833601A (en) * 2019-03-07 2019-06-04 吉林大学 A kind of women abdomen weight reducing exercise assisting apparatus
CN113018778A (en) * 2021-03-11 2021-06-25 驻马店职业技术学院 Multifunctional and multi-fixed mode comprehensive training device
CN113521644A (en) * 2021-07-30 2021-10-22 四川省医学科学院·四川省人民医院 A rehabilitation training device for osteoporosis patient
CN114949751A (en) * 2022-06-21 2022-08-30 福建船政交通职业学院 Indoor body-building apparatus of educating

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Publication number Priority date Publication date Assignee Title
CN2393571Y (en) * 1999-06-28 2000-08-30 曾钟霆 Multifunctional household sport apparatus
JP3428042B2 (en) * 1992-09-04 2003-07-22 株式会社日立製作所 Elevator anti-vibration device
KR20080024352A (en) * 2006-09-13 2008-03-18 이광희 Descending device
CN202173722U (en) * 2011-07-08 2012-03-28 厦门群鑫机械工业有限公司 Roller resistance system of a belly fitness advice
CN202320369U (en) * 2011-11-24 2012-07-11 常州格林电力机械制造有限公司 Locomotive rail damper
CN103949036A (en) * 2014-05-21 2014-07-30 湖南师范大学 Abdominal muscle exercise device
CN204092932U (en) * 2014-07-03 2015-01-14 胡涛 A kind of safe abdominal muscle exerciser with dumbbell function
CN206454190U (en) * 2016-12-27 2017-09-01 广东技术师范学院 A kind of abdomen-building machine containing guide rail

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3428042B2 (en) * 1992-09-04 2003-07-22 株式会社日立製作所 Elevator anti-vibration device
CN2393571Y (en) * 1999-06-28 2000-08-30 曾钟霆 Multifunctional household sport apparatus
KR20080024352A (en) * 2006-09-13 2008-03-18 이광희 Descending device
CN202173722U (en) * 2011-07-08 2012-03-28 厦门群鑫机械工业有限公司 Roller resistance system of a belly fitness advice
CN202320369U (en) * 2011-11-24 2012-07-11 常州格林电力机械制造有限公司 Locomotive rail damper
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107626080A (en) * 2017-11-13 2018-01-26 天津工业大学 A kind of Novel body building apparatus of the skid compound motion containing swing
CN107626080B (en) * 2017-11-13 2022-06-14 天津工业大学 Novel fitness equipment with swinging-rolling composite motion
CN108992984A (en) * 2018-09-12 2018-12-14 佛山市金凯地过滤设备有限公司 A kind of turnover panel adjustment structure and the filter press using it
CN108992984B (en) * 2018-09-12 2024-04-12 广东省金凯地过滤设备有限公司 Turning plate adjusting structure and filter press using same
CN109833601A (en) * 2019-03-07 2019-06-04 吉林大学 A kind of women abdomen weight reducing exercise assisting apparatus
CN113018778A (en) * 2021-03-11 2021-06-25 驻马店职业技术学院 Multifunctional and multi-fixed mode comprehensive training device
CN113521644A (en) * 2021-07-30 2021-10-22 四川省医学科学院·四川省人民医院 A rehabilitation training device for osteoporosis patient
CN114949751A (en) * 2022-06-21 2022-08-30 福建船政交通职业学院 Indoor body-building apparatus of educating
CN114949751B (en) * 2022-06-21 2023-04-14 福建船政交通职业学院 Indoor body-building apparatus of educating

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Application publication date: 20170531