CN109771892A - A kind of combined type pregnant woman amusement with temper all-in-one machine - Google Patents

A kind of combined type pregnant woman amusement with temper all-in-one machine Download PDF

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Publication number
CN109771892A
CN109771892A CN201910216904.0A CN201910216904A CN109771892A CN 109771892 A CN109771892 A CN 109771892A CN 201910216904 A CN201910216904 A CN 201910216904A CN 109771892 A CN109771892 A CN 109771892A
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China
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exercise
pregnant woman
machine
protective
latch
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CN201910216904.0A
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CN109771892B (en
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迟会
高佩红
张静
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Jilin University
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Jilin University
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Publication of CN109771892B publication Critical patent/CN109771892B/en
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Abstract

The present invention relates to a kind of combined type pregnant woman amusements and exercise all-in-one machine, including exercise machine, fixed device, regulating device and protective device, the upper end of the exercise machine is equipped with protective device, regulating device is installed at the rotation of exercise machine upper end, fixed device is installed at the rotation of exercise machine lower end, exercise machine includes bottom plate, the upper surface bilateral symmetry of bottom plate is equipped with swinging chute, swinging chute is arcuate structure, and radian is identical as the swinging track of pedal, is mounted on support rod before and after the middle part of bottom plate upper surface.It is larger that the present invention can solve amplitude of fluctuation existing for existing extension exercise device, it is easy pulled muscle, there is no safeguard procedures, pregnant woman be easy inclination fall down, pregnant woman up and down exercise device when, equipment shaking is easy the problems such as falling down, the function that pregnant woman takes exercise with protects may be implemented, when with exercise device rotational angle, adjustable, exercise device is provided with pregnant woman's special protection and pregnant woman or more exercise device, equipment is capable of fixing motionless advantage.

Description

A kind of combined type pregnant woman amusement with temper all-in-one machine
Technical field
The present invention relates to exercising apparatus field, in particular to a kind of combined type pregnant woman amusement and exercise all-in-one machine.
Background technique
Pregnant woman tempers immunity, the toughness etc. for helping to improve itself in the pregnancy period, helps to give a birth, and pregnant woman's movement is generally done Simple Yoga, stroll, stretching routine etc., wherein stretching routine can effectively temper pregnant woman's toughness, and body is allowed to become more to place Pine is with flexibly, this helps to give a birth, and still, pregnant woman there is a problem of many when doing stretching routine under the conditions of the prior art:
Problem one: for existing exercise device when doing stretching routine, rotational angle is larger, and pregnant woman's control is improper to be easy to cause flesh Meat is pulled;
Problem two: existing exercise device does not have any safeguard procedures, and pregnant woman, which may tilt, when movement falls down, and extremely endangers Danger;
Problem three: for pregnant woman in upper and lower exercise device, equipment cannot consolidate motionless, pregnant woman's easy shaking in upper and lower equipment It falls down.
For above-mentioned listed problem, under the conditions of the prior art, there are no preferable exploration and practice achievements therefore to have very much Necessity does further exploration and practice, above-mentioned listed to solve the problems, such as.
Summary of the invention
To solve the above-mentioned problems, it the present invention provides a kind of combined type pregnant woman amusement and exercise all-in-one machine, can solve Amplitude of fluctuation existing for existing extension exercise device is larger, is easy pulled muscle, does not have safeguard procedures, pregnant woman is easy inclination and falls , above and below pregnant woman when exercise device, equipment shaking is easy the problems such as falling down, and the function that pregnant woman takes exercise with protects may be implemented, and has Have that exercise device rotational angle is adjustable, exercise device is provided with pregnant woman's special protection and pregnant woman up and down exercise device when, equipment energy Enough fixed advantages.
To achieve the goals above, the present invention uses following technical scheme, a kind of combined type pregnant woman amusement with temper one Machine, including exercise machine, fixed device, regulating device and protective device, the upper end of the exercise machine are equipped with protective device, take exercise Regulating device is installed at the rotation of machine upper end, fixed device is installed at the rotation of exercise machine lower end.
The exercise machine includes bottom plate, and the upper surface bilateral symmetry of bottom plate is equipped with swinging chute, and swinging chute is arcuate structure, And radian is identical as the swinging track of pedal, is mounted on support rod, the left and right two of support rod before and after the middle part of bottom plate upper surface Side is symmetrically installed with oscillating rod by bearing, and regulating device, front and back pendulum are equipped between Backside support bar and the upper end of oscillating rod Pedal is equipped with by bearing between lever, fixed device is installed between the lower end of Backside support bar and the rear end of pedal.
It is equipped in the middle part of the pedal upper surface and steps on slot, circular groove is equipped on rear side of pedal upper surface, limit is installed in circular groove and is adjusted Seat is saved, limit rope is connected by metallic channel with limit adjustment seat, and limit adjustment seat middle part of sliding channel is equipped with rotary table, and limit is adjusted Limit spring is installed between the middle part of seat and the upper surface of pedal.
Sliding bar is symmetrically arranged at left and right sides of the pedal, the right end of sliding bar is bonded with rotary table, the left end of sliding bar Latch seat is installed, reset spring is installed between the right end and pedal of latch seat, is equipped on the left and right inner sidewall of swinging chute Fixed latch.
The fixation device includes protective housing, and the rear end of pedal is rotatablely connected by bearing and Backside support bar, bearing Protective housing is installed on the right side of lateral wall, protective housing is hollow structure, and protective housing left inner side wall is uniformly provided with along its circumferential direction The right end of latch, support rod side wall is uniformly provided with lower latch along its circumferential direction, is engaged with limit between upper latch and lower latch Latch, the right end for limiting latch are uniformly provided with telescopic rod along its circumferential direction, adjustable spring are equipped in telescopic rod, telescopic rod Bottom end is mounted on the having on inner sidewall of protective housing, and the right end for limiting latch is equipped with limit rope;When work, fixed device is improved The safety of exercise apparatus above and below pregnant woman.
The regulating device includes fixed ring, is equipped with fixed ring on Backside support bar right end sidewalls, fixed ring it is interior Portion is equipped with sliding slot, is connected with sliding seat by way of being slidably matched in sliding slot, installs between sliding seat and the inner sidewall of sliding slot There is damping spring, Backside support bar is equipped with oscillating rod by bearing, and the upper surface of oscillating rod is equipped with arc adjustment seat.
It is equipped with regulating tank inside the arc adjustment seat, is connected with adjusting rod by way of being slidably matched in regulating tank, Ball is equipped between adjusting rod and the inner sidewall of regulating tank, the top of adjusting rod is equipped with resilient cushion, the upper end installation of resilient cushion There is a pointer, the left side of arc adjustment seat is equipped with graduation apparatus, adjustment spring is equipped between resilient cushion and regulating tank, in regulating tank Portion is equipped with adjustment axis by bearing, and adjustment disk is threaded on the side wall of adjustment axis, and adjustment disk is arc-shaped structure, and adjusts Section disk gradually broadens from left to right, and the side wall of adjustment disk is in contact with the bottom end of adjusting rod, and turntable is equipped on the right side of adjustment axis; When work, person taking exercise can adjust amplitude of fluctuation according to their needs.
The protective device includes fender rod, is equipped with fender rod by bearing on the support rod of front side, after fender rod End snaps fit onto placement plate, and placement plate is mounted on Backside support bar, and placement plate front center is equipped with handrail, after fender rod Protective plate is installed on the wall of end side.
It is equipped with protective pad in the middle part of the protective plate, protection spring, protective plate lower end are installed between protective pad and protective plate Protective air-bag is installed by pin shaft, the front end of protective air-bag is socketed with soft rubber cushion, between the upper end and protective plate of protective air-bag Support spring is installed;When work, protective device can protect well pregnant woman.
The beneficial effects of the present invention are:
One, the present invention is provided with fixed device, fixed device can guarantee pregnant woman in upper and lower exercise device, exercise device Be able to maintain it is fixed, improve pregnant woman up and down exercise device safety;
Two, the present invention is provided with regulating device, and regulating device can adjust the pendulum of exercise device according to the needs of person taking exercise Dynamic amplitude;
Three, the present invention is provided with protective device, and protective device can prevent from pregnant woman from tilting in exercise routine falling down, and energy The belly of enough protection pregnant woman well, avoids that accident occurs.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is partially enlarged schematic view of fig. 1 in a direction a of the present invention;
Fig. 3 is the structural schematic diagram between support rod of the invention, oscillating rod and regulating device part;
Fig. 4 is the structural schematic diagram between adjustment axis of the invention, adjustment disk and turntable;
Fig. 5 is the structural schematic diagram between oscillating rod of the invention, pedal and fixed device part;
Fig. 6 is the structural schematic diagram between bottom plate of the invention, pedal and fixed device part;
Fig. 7 be protective device of the invention (except fender rod, placement plate and handrail) in addition to structural schematic diagram.
Specific embodiment
Below with reference to the accompanying drawings the embodiment of the present invention is illustrated.In the process, for ensure illustrate definition and Convenience, we may the width to lines in diagram or constituent element the mark exaggerated of size.
In addition, term hereinafter is defined based on the function in the present invention, it can be according to the intention of user, fortune user Or convention and difference.Therefore, these terms are defined based on the full content of this specification.
As shown in Figures 1 to 7, a kind of combined type pregnant woman amusement with temper all-in-one machine, including exercise machine 1, fixed device 2, Regulating device 3 and protective device 4, the upper end of the exercise machine 1 are equipped with protective device 4, are equipped at 1 upper end rotation of exercise machine Regulating device 3 is equipped with fixed device 2 at 1 lower end rotation of exercise machine.
The exercise machine 1 includes bottom plate 11, and the upper surface bilateral symmetry of bottom plate 11 is equipped with swinging chute, and swinging chute is arc Structure, and radian is identical as the swinging track of pedal 14, is mounted on support rod 12 before and after the middle part of 11 upper surface of bottom plate, supports The left and right sides of bar 12 is symmetrically installed with oscillating rod 13 by bearing, installs between Backside support bar 12 and the upper end of oscillating rod 13 There is a regulating device 3, pedal 14 is equipped with by bearing between swing bar 13, the lower end of Backside support bar 12 and pedal 14 Fixed device 2 is installed between rear end.
It is equipped in the middle part of 14 upper surface of pedal and steps on slot, circular groove is equipped on rear side of 14 upper surface of pedal, installation is limited in circular groove Position adjustment seat 27, limit rope 26 are connected by metallic channel with limit adjustment seat 27, and limit 27 middle part of sliding channel of adjustment seat is equipped with Rotary table 28 limits and is equipped with limit spring 29 between the middle part of adjustment seat 27 and the upper surface of pedal 14.
The left and right sides of the pedal 14 is symmetrically arranged with sliding bar 210, and the right end of sliding bar 210 is bonded with rotary table 28, sliding The left end of lever 210 is equipped with latch seat 211, is equipped with reset spring 212 between the right end and pedal 14 of latch seat 211, pendulum Fixed latch 213 is equipped on the left and right inner sidewall of dynamic slot.
The fixation device 2 includes protective housing 21, and the rear end of pedal 14 is connected by bearing and the rotation of Backside support bar 12 It connects, protective housing 21 is installed on the right side of bearing lateral wall, protective housing 21 is hollow structure, and 21 left inner side wall of protective housing is along its circumferential direction side To upper latch 22 is uniformly provided with, the right end of 12 side wall of support rod is uniformly provided with lower latch 23, upper 22 He of latch along its circumferential direction Limit latch 24 is engaged between lower latch 23, the right end of limit latch 24 is uniformly provided with telescopic rod 25 along its circumferential direction, stretches Adjustable spring is installed, the bottom end of telescopic rod 25 is mounted on the having on inner sidewall of protective housing 21, limit latch 24 in contracting bar 25 Right end is equipped with limit rope 26;When work, limit adjustment seat 27 is stepped on downwards, and limit adjustment seat 27 drives limit rope 26 to moving up Dynamic, limit latch 24 and upper latch 22 and lower latch 23 at this time is intermeshed, meanwhile, under the action of limit spring 29, circle Platform 28 ejects sliding bar 210 outward, so that latch seat 211 is engaged with fixed latch 213, thus by 14 fixation of pedal, Step on again limit adjustment seat 27, under the action of reset spring 212 and limit spring 29, drive limit latch 24 with upper card Tooth 22 and the separation of lower latch 23, while latch seat 211 is separated with fixed latch 213, pedal 14 at this time can be swung.
The regulating device 3 includes fixed ring 31, is equipped with fixed ring 31 on 12 right end sidewalls of Backside support bar, fixed The inside of ring 31 is equipped with sliding slot, sliding seat 32 is connected with by way of being slidably matched in sliding slot, sliding seat 32 is interior with sliding slot Damping spring 33 is installed, Backside support bar 12 is equipped with oscillating rod 13, the upper surface of oscillating rod 13 by bearing between side wall Arc adjustment seat 34 is installed.
It is equipped with regulating tank inside the arc adjustment seat 34, is connected with adjusting rod by way of being slidably matched in regulating tank 341, ball 342 is equipped between adjusting rod 341 and the inner sidewall of regulating tank, the top of adjusting rod 341 is equipped with resilient cushion 343, The upper end of resilient cushion 343 is equipped with pointer 348, and the left side of arc adjustment seat 34 is equipped with graduation apparatus 349, resilient cushion 343 and adjusting Adjustment spring 344 is installed, the middle part of regulating tank is equipped with adjustment axis 345 by bearing, on the side wall of adjustment axis 345 between slot It is threaded with adjustment disk 346, adjustment disk 346 is arc-shaped structure, and adjustment disk 346 gradually broadens from left to right, adjustment disk 346 side wall is in contact with the bottom end of adjusting rod 341, and the right side of adjustment axis 345 is equipped with turntable 347;When work, according to exercise The needs of person itself rotate turntable 347, drive adjustment disk 346 to move left and right under the action of adjustment axis 345,346 band of adjustment disk Dynamic adjusting rod 341 is flexible, observes pointer 348 and graduation apparatus 349 at this time, determines suitable amplitude of fluctuation, when swinging, subtracts Shake pad 343 and damping spring 33 can play good cushioning effect.
The protective device 4 includes fender rod 41, is equipped with fender rod 41 by bearing on front side support rod 12, protection The rear end of bar 41 snaps fit onto placement plate 42, and placement plate 42 is mounted on Backside support bar 12, the installation of 42 front center of placement plate There is handrail 43, protective plate 44 is installed on the rear end side wall of fender rod 41.
It is equipped with protective pad 45 in the middle part of the protective plate 44, protection spring 46 is installed between protective pad 45 and protective plate 44, 44 lower end of protective plate is equipped with protective air-bag 48 by pin shaft 47, and the front end of protective air-bag 48 is socketed with soft rubber cushion 49, protects gas Support spring 410 is installed between the upper end and protective plate 44 of capsule 48;When work, fender rod 41 can prevent person taking exercise's lateral tilting Tiltedly, protective pad 45 and protection spring 46 are installed on protective plate 44, when person taking exercise tilts backwards, protective pad 45 and protection spring 46 can play good support, meanwhile, soft rubber cushion 49 and protective air-bag 48 can be good at protecting the belly of pregnant woman again.
Pedal 14 is fixed: stepping on limit adjustment seat 27 downwards, limit adjustment seat 27 drives limit rope 26 to move up, at this time Limit latch 24 and upper latch 22 and lower latch 23 be intermeshed, meanwhile, under the action of limit spring 29, rotary table 28 will be slided Lever 210 ejects outward, so that latch seat 211 is engaged with fixed latch 213, thus by 14 fixation of pedal;
Amplitude of fluctuation is adjusted: according to the needs of person taking exercise itself, being rotated turntable 347, is driven under the action of adjustment axis 345 Adjustment disk 346 moves left and right, and adjustment disk 346 drives adjusting rod 341 flexible, observes pointer 348 and graduation apparatus 349 at this time, determines Suitable amplitude of fluctuation;
Pedal 14 is swung: stepping on limit adjustment seat 27, under the action of reset spring 212 and limit spring 29, band again Dynamic limit latch 24 is separated with upper latch 22 and lower latch 23, while latch seat 211 is separated with fixed latch 213, at this time Pedal 14 can be swung, and when swinging, resilient cushion 343 and damping spring 33 can play good cushioning effect;
Protection: fender rod 41 can prevent person taking exercise from tilting, and protective pad 45 and protection bullet are equipped on protective plate 44 Spring 46, when person taking exercise tilts backwards, protective pad 45 and protection spring 46 can play good support, meanwhile, soft rubber cushion 49 It can be good at protecting the belly of pregnant woman again with protective air-bag 48.
Workflow in summary realizes the function that pregnant woman takes exercise with protects, and solves existing extension exercise device and deposits Amplitude of fluctuation it is larger, be easy pulled muscle, do not have safeguard procedures, pregnant woman be easy inclination fall down, pregnant woman up and down exercise device When, equipment shaking is easy the problems such as falling down, and has reached purpose.
The embodiment that the present invention only refers to drawing illustration is illustrated, it is believed that has related fields basic The personnel of knowledge can carry out the other embodiments of diversified deformation and peer-level based on this.

Claims (8)

1. a kind of combined type pregnant woman amusement with temper all-in-one machine, including exercise machine (1), fixed device (2), regulating device (3) and Protective device (4), it is characterised in that: the upper end of the exercise machine (1) is equipped with protective device (4), the rotation of exercise machine (1) upper end Place is equipped with regulating device (3), is equipped with fixed device (2) at exercise machine (1) lower end rotation;Wherein:
The exercise machine (1) includes bottom plate (11), and the upper surface bilateral symmetry of bottom plate (11) is equipped with swinging chute, on bottom plate (11) It is mounted on support rod (12) before and after the middle part of end face, the left and right sides of support rod (12) is symmetrically installed with oscillating rod by bearing (13), it is equipped between Backside support bar (12) and the upper end of oscillating rod (13) regulating device (3), between swing bar (13) It is equipped with pedal (14) by bearing, fixed device is installed between the lower end of Backside support bar (12) and the rear end of pedal (14) (2);
The fixation device (2) includes protective housing (21), and the rear end of pedal (14) is turned by bearing and Backside support bar (12) Dynamic connection, bearing lateral wall right side are equipped with protective housing (21), and protective housing (21) is hollow structure, protective housing (21) left inner side wall It is uniformly provided with upper latch (22) along its circumferential direction, the right end of support rod (12) side wall is uniformly provided with lower latch along its circumferential direction (23), it is engaged with limit latch (24) between upper latch (22) and lower latch (23), limits the right end of latch (24) along its circumferential direction Direction is uniformly provided with telescopic rod (25), is equipped with adjustable spring in telescopic rod (25), the bottom end of telescopic rod (25) is mounted on protection Case (21) have on inner sidewall, and the right end of limit latch (24) is equipped with limit rope (26);
The regulating device (3) includes fixed ring (31), is equipped with fixed ring (31) on Backside support bar (12) right end sidewalls, The inside of fixed ring (31) is equipped with sliding slot, is connected with by way of being slidably matched sliding seat (32) in sliding slot, sliding seat (32) It being equipped between the inner sidewall of sliding slot damping spring (33), Backside support bar (12) is equipped with oscillating rod (13) by bearing, The upper surface of oscillating rod (13) is equipped with arc adjustment seat (34);
The protective device (4) includes fender rod (41), is equipped with fender rod (41) by bearing on front side support rod (12), The rear end of fender rod (41) snaps fit onto placement plate (42), and placement plate (42) is mounted on Backside support bar (12), placement plate (42) front center is equipped with handrail (43), and protective plate (44) are equipped on the rear end side wall of fender rod (41).
2. a kind of combined type pregnant woman amusement according to claim 1 and exercise all-in-one machine, it is characterised in that: the arc tune It saves and is equipped with regulating tank inside seat (34), be connected with adjusting rod (341), adjusting rod by way of being slidably matched in regulating tank (341) ball (342) are equipped between the inner sidewall of regulating tank, the top of adjusting rod (341) is equipped with resilient cushion (343), subtracts Adjustment spring (344) are installed between shake pad (343) and regulating tank, the middle part of regulating tank is equipped with adjustment axis by bearing (345), it is threaded with adjustment disk (346) on the side wall of adjustment axis (345), the side wall of adjustment disk (346) and adjusting rod (341) Bottom end be in contact, turntable (347) are installed on the right side of adjustment axis (345).
3. a kind of combined type pregnant woman amusement according to claim 1 and exercise all-in-one machine, it is characterised in that: the protective plate (44) middle part is equipped with protective pad (45), and protection spring (46), protective plate are equipped between protective pad (45) and protective plate (44) (44) lower end is equipped with protective air-bag (48) by pin shaft (47), and the front end of protective air-bag (48) is socketed with soft rubber cushion (49), is prevented It protects between the upper end and protective plate (44) of air bag (48) and support spring (410) is installed.
4. a kind of combined type pregnant woman amusement according to claim 1 and exercise all-in-one machine, it is characterised in that: the pedal (14) it is equipped in the middle part of upper surface and steps on slot, circular groove is equipped on rear side of pedal (14) upper surface, limit adjustment seat (27) is installed in circular groove, Limit rope (26) is connected by metallic channel with limit adjustment seat (27), and limit adjustment seat (27) middle part of sliding channel is equipped with rotary table (28), it limits between the middle part of adjustment seat (27) and the upper surface of pedal (14) and limit spring (29) is installed.
5. a kind of combined type pregnant woman amusement according to claim 1 and exercise all-in-one machine, it is characterised in that: the pedal (14) it is symmetrically arranged at left and right sides of sliding bar (210), the right end of sliding bar (210) is bonded with rotary table (28), sliding bar (210) Left end be equipped with latch seat (211), be equipped with reset spring (212) between the right end and pedal (14) of latch seat (211), put Fixed latch (213) are equipped on the left and right inner sidewall of dynamic slot.
6. a kind of combined type pregnant woman amusement according to claim 2 and exercise all-in-one machine, it is characterised in that: the resilient cushion (343) upper end is equipped with pointer (348), and the left side of arc adjustment seat (34) is equipped with graduation apparatus (349).
7. a kind of combined type pregnant woman amusement according to claim 2 and exercise all-in-one machine, it is characterised in that: the adjustment disk It (346) is arc-shaped structure, and adjustment disk (346) gradually broadens from left to right.
8. a kind of combined type pregnant woman amusement according to claim 1 and exercise all-in-one machine, it is characterised in that: the swinging chute For arcuate structure, and radian is identical as the swinging track of pedal (14).
CN201910216904.0A 2019-03-21 2019-03-21 Combined pregnant woman entertainment and exercise integrated machine Expired - Fee Related CN109771892B (en)

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CN201910216904.0A CN109771892B (en) 2019-03-21 2019-03-21 Combined pregnant woman entertainment and exercise integrated machine

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CN109771892B CN109771892B (en) 2020-03-27

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1847300B1 (en) * 2006-04-19 2010-07-21 Leao Wang Treadle assembly of an exercise equipment
CN203886108U (en) * 2014-05-12 2014-10-22 鼎固健康科技股份有限公司 Motion trajectory travel adjusting structure of elliptical orbit machine
CN204798715U (en) * 2015-04-25 2015-11-25 王丽娜 Sports fitness treadmill
CN205586438U (en) * 2016-03-01 2016-09-21 赵丽 Recovered leg portion training ware of using of medical treatment
CN108144263A (en) * 2018-03-16 2018-06-12 温州捷高科技有限公司 A kind of automatic deep-knee-bend of gynemetrics pregnant woman and the safety movement device of climbing
CN108309611A (en) * 2018-04-19 2018-07-24 王爱 Postoperative self-service Restoring nursing bed
CN208319816U (en) * 2018-06-25 2019-01-04 吴红军 A kind of leg orthopedic rehabilitation device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1847300B1 (en) * 2006-04-19 2010-07-21 Leao Wang Treadle assembly of an exercise equipment
CN203886108U (en) * 2014-05-12 2014-10-22 鼎固健康科技股份有限公司 Motion trajectory travel adjusting structure of elliptical orbit machine
CN204798715U (en) * 2015-04-25 2015-11-25 王丽娜 Sports fitness treadmill
CN205586438U (en) * 2016-03-01 2016-09-21 赵丽 Recovered leg portion training ware of using of medical treatment
CN108144263A (en) * 2018-03-16 2018-06-12 温州捷高科技有限公司 A kind of automatic deep-knee-bend of gynemetrics pregnant woman and the safety movement device of climbing
CN108309611A (en) * 2018-04-19 2018-07-24 王爱 Postoperative self-service Restoring nursing bed
CN208319816U (en) * 2018-06-25 2019-01-04 吴红军 A kind of leg orthopedic rehabilitation device

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