CN112316376A - Core strength training device of high security - Google Patents
Core strength training device of high security Download PDFInfo
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- CN112316376A CN112316376A CN202011275654.7A CN202011275654A CN112316376A CN 112316376 A CN112316376 A CN 112316376A CN 202011275654 A CN202011275654 A CN 202011275654A CN 112316376 A CN112316376 A CN 112316376A
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- 230000004224 protection Effects 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims description 43
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 12
- 210000003205 muscle Anatomy 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 210000003489 abdominal muscle Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 206010020772 Hypertension Diseases 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 230000003767 neural control Effects 0.000 description 1
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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
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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
- A63B21/00192—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resistance provided by magnetic means
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Engineering & Computer Science (AREA)
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Abstract
本发明涉及力量训练装置技术领域，尤其涉及一种高安全性的核心力量训练装置，解决了现有技术核心力量训练器材安全性有待提高的问题。一种高安全性的核心力量训练装置，包括底座，底座的顶部设置有支撑外壳，支撑外壳在正视图水平方向上的一端呈开放性，支撑外壳一端的底部固定连接有支撑架，支撑架通过支杆与底座转动连接，支撑外壳远离支撑架的一端底部设置有液压推杆，液压推杆的顶端通过连接板与支撑外壳转动连接且底部与底座转动连接，支撑外壳的内部设置有支撑台。本发明可在使用者训练核心力量的过程中为其提供多方面的保护，提高训练的安全性。
The invention relates to the technical field of strength training devices, in particular to a core strength training device with high safety, which solves the problem that the safety of core strength training equipment in the prior art needs to be improved. A high-safety core strength training device includes a base, a support shell is arranged on the top of the base, one end of the support shell in the horizontal direction of the front view is open, and the bottom of one end of the support shell is fixedly connected with a support frame, the support frame passes through The support rod is rotatably connected with the base, and a hydraulic push rod is arranged at the bottom of one end of the support shell away from the support frame. The present invention can provide multi-faceted protection for users in the process of training their core strength and improve the safety of training.
Description
Technical Field
The invention relates to the technical field of strength training devices, in particular to a high-safety core strength training device.
Background
The concept of core strength was first derived from core stability, which was proposed from spinal stability. Panjabi first proposed the concept of spinal stability in 1985, who thought it to include three systems, passive vertebra, active spinal muscles and a neural control unit; in 1992, core stability was proposed with its inspired spinal stability. Kibler first introduced the concept of core stability into athletic training, which believed that core stability has three functions of producing, transmitting, and controlling strength. The core stability is the result of the core strength, the core strength is the concrete expression form of the core stability, as the core muscles are more, and many are small muscle groups, various exercise methods are needed for the comprehensive balanced development of the muscles, and the exerciser needs to actively change various angles and the positions of the trunk and the limbs and keep the accuracy of the movement to exercise the muscles to be exercised. From the vertical height of truck, the position height that the muscle group that needs the training is located differs from front to back left and right sides, it is difficult to have the equipment that is fit for omnidirectional muscle group position and high training, the training process is difficult to persist in succession, simultaneously, to taking exercise abdominal muscle group, sit up is the motion mode that is used most often, because its action is simple and not influenced by the place, but the action of sit up can bring very big pressure to the vertebra, and then cause the damage of vertebra easily, and the posture of sitting up on back is lying down, make human head be in the position that is slightly less than the truck, therefore, when carrying out sit up, the phenomenon that dizziness and nausea appear because of the head constantly changes the height very easily, especially to the condition that the body is uncomfortable more appears to the hypertension patient. Therefore, the traditional sit-up is not suitable for being used as a main exercise mode for exercising abdominal muscles, on the other hand, the core strength training by using professional equipment is dangerous exercise for people with insufficient core strength, the existing device can not provide various protections for users, and aiming at the problems, a high-safety core strength training device can be provided, so that the practicability of the training device is improved.
Disclosure of Invention
The invention aims to provide a high-safety core strength training device, which solves the problem that the safety of core strength training equipment in the prior art needs to be improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-safety core strength training device comprises a base, wherein a supporting shell is arranged at the top of the base, one end of the supporting shell in the horizontal direction of the front view is open, a supporting frame is fixedly connected to the bottom of one end of the supporting shell, the supporting frame is rotatably connected with the base through a supporting rod, a hydraulic push rod is arranged at the bottom of one end, away from the supporting frame, of the supporting shell, the top end of the hydraulic push rod is rotatably connected with the supporting shell through a connecting plate, the bottom of the hydraulic push rod is rotatably connected with the base, a supporting table is arranged inside the supporting shell, the supporting table is elastically connected with the supporting shell through a second spring fixedly connected with the bottom of the supporting table, a plurality of supporting rods penetrating through the supporting shell are fixedly connected to the two sides of the supporting table, a limiting ring is rotatably connected to, one side fixedly connected with foot stool that the brace table was close to and crosses support housing opening port, two pedal grooves have been seted up to the upper surface of foot stool, first spout and two second spouts that inside is linked together are seted up to the upper surface of brace table, equal two permanent magnet groups of fixedly connected with on two lateral walls of second spout, two permanent magnet groups are vertical distribution and all are located a straight line of all permanent magnets of organizing, two that the permanent magnet is located on different lateral walls all are horizontal symmetrical structure, the inboard of permanent magnet is provided with the metal wheel, the top of brace table is provided with the auxiliary frame, the metal wheel passes through the gyro wheel rotation with the auxiliary frame and is connected, the gyro wheel passes through connecting rod and metal wheel fixed connection with auxiliary frame fixed connection and rotation portion in center department, passageway size between first spout and second spout suits with the gyro wheel
Preferably, the auxiliary frame includes holding rod, montant, horizon bar and antiskid cover, and the horizon bar is located the inside and both ends of first spout all with gyro wheel fixed connection, the top fixedly connected with montant of horizon bar center department, the top fixedly connected with holding rod of montant, all overlap on the both ends outer wall of holding rod and be equipped with the antiskid cover.
Preferably, the metal wheel comprises a slide, a metal sheet, a support ring and a first spring, the inner side of the support ring is fixedly connected with a plurality of slides which are distributed in an array manner, one side of the support ring is provided with the metal sheet, a supporting rod is fixedly connected to the bottom of one end, close to the circle center of the support ring, of the metal sheet and is fixedly connected with the outer ring of the support ring through the first spring, the slide is matched with the supporting rod at the bottom of the metal sheet, the first spring is located on the inner side of the slide, and the connecting rod is fixedly connected with.
Preferably, the top of one end of the support table close to the foot seats is fixedly connected with two symmetrically distributed hydraulic door closers, the inner sides of the two hydraulic door closers are rotatably connected with telescopic rods, and one end of each telescopic rod far away from the support table is rotatably connected with a protection pad through a torsion spring.
Preferably, the equal fixedly connected with protection frame in support housing's both sides, protection frame include supporting seat, backup pad and third spring, and two supporting seat tops all are open structure, and the inside of supporting seat is provided with the backup pad, and the backup pad passes through third spring and supporting seat elastic connection.
Preferably, the support ring is located between two sets of permanent magnets in the vertical direction, and the metal sheet is located between two symmetrical permanent magnets in the horizontal direction when the first spring is compressed to the shortest.
The invention has at least the following beneficial effects:
1. through the cooperation of hydraulic push rod and support frame to and the cooperation of spacing ring and bracing piece, the user can adjust this trainer's form according to the physique and the training target of self.
2. Through the cooperation of auxiliary frame, metal wheel, permanent magnet, first spout and second spout, this device can be in the state of taking off the power at the user, provides certain barrier force under the circumstances of the self velocity of motion surge, slows down or stops user's high-speed motion, reaches the effect of protection user.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic top view of an embodiment of the present invention;
FIG. 2 is a schematic front view of an embodiment of the present invention;
FIG. 3 is a front cross-sectional view of an embodiment of the present invention;
FIG. 4 is a schematic side view of an embodiment of the present invention;
FIG. 5 is a schematic view of the auxiliary frame, the roller and the metal wheel;
FIG. 6 is a schematic front view of a metal wheel;
FIG. 7 is a side view of a metal wheel.
In the figure: 1. a base; 2. a support bar; 3. a support housing; 4. an auxiliary frame; 401. a holding rod; 402. a vertical rod; 403. a horizontal bar; 404. an anti-slip sleeve; 5. a protective pad; 6. a telescopic rod; 7. a limiting ring; 8. a support table; 9. a pedal slot; 10. a foot seat; 11. a hydraulic door closer; 12. a connecting rod; 13. a metal wheel; 1301. a slideway; 1302. a metal sheet; 1303. a support ring; 1304. a first spring; 14. a permanent magnet; 15. a first chute; 16. a second chute; 17. a second spring; 18. a hydraulic push rod; 19. a protective frame; 1901. a supporting seat; 1902. a support plate; 1903. a third spring; 20. a support frame; 21. and a roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
with reference to figures 1-7 of the drawings,
the working process of the embodiment is as follows: a high-safety core strength training device comprises a base 1, wherein a supporting shell 3 is arranged at the top of the base 1, one end of the supporting shell 3 in the horizontal direction of the front view is open, a supporting frame 20 is fixedly connected to the bottom of one end of the supporting shell 3, the supporting frame 20 is rotatably connected with the base 1 through a supporting rod, a hydraulic push rod 18 is arranged at the bottom of one end, away from the supporting frame 20, of the supporting shell 3, the top end of the hydraulic push rod 18 is rotatably connected with the supporting shell 3 through a connecting plate, the bottom of the hydraulic push rod is rotatably connected with the base 1, a supporting table 8 is arranged inside the supporting shell 3, the supporting table 8 is elastically connected with the supporting shell 3 through a second spring 17 fixedly connected with the bottom of the supporting table 8, a plurality of supporting rods 2 penetrating through the supporting shell 3 are fixedly connected to two sides of the, the support platform 8 and the support shell 3 can be fixedly connected through the matching of the support rod 2 and the limit ring 7, one side of the support platform 8 close to the open port of the support shell 3 is fixedly connected with a foot seat 10, the upper surface of the foot seat 10 is provided with two foot grooves 9, the upper surface of the support platform 8 is provided with a first chute 15 and two second chutes 16 which are internally communicated, two side walls of the second chute 16 are fixedly connected with two permanent magnet groups, the two permanent magnet groups are vertically distributed, all the permanent magnets 14 in the groups are positioned on a straight line, two of the permanent magnets 14 positioned on different side walls are in a horizontal symmetrical structure, the inner side of the permanent magnet 14 is provided with a metal wheel 13, the top of the support platform 8 is provided with an auxiliary frame 4, the auxiliary frame 4 comprises a holding rod 401, a vertical rod 402, a horizontal rod 403 and an anti-skid sleeve 404, the horizontal rod 403 is positioned inside the first chute 15, and, the top of the center of the horizontal rod 403 is fixedly connected with a vertical rod 402, the top of the vertical rod 402 is fixedly connected with a holding rod 401, the outer walls of the two ends of the holding rod 401 are respectively sleeved with an anti-skidding sleeve 404, the metal wheel 13 is rotatably connected with the auxiliary frame 4 through a roller 21, the size of a channel between the first chute 15 and the second chute 16 is matched with that of the roller 21, the metal wheel 13 comprises a slideway 1301, a metal sheet 1302, a support ring 1303 and a first spring 1304, the inner side of the support ring 1303 is fixedly connected with a plurality of slideways 1301 distributed in an array manner, one side of the support ring 1303 is provided with the metal sheet 1302, the bottom of one end of the metal sheet 1302 close to the circle center 1303 is fixedly connected with a support rod and is fixedly connected with the outer ring of the support ring 1303 through the first spring 1304, the slideway 1301 is matched with a support rod at the bottom of the metal sheet 1302, the support ring 1303 is vertically positioned between two sets of permanent magnets 14, and the metal sheet 1302 is horizontally positioned between two symmetrical permanent magnets 14 when the first spring 1304 is compressed to the shortest.
According to the working process, the following steps are known: when the user uses the training device, firstly, the inclination angle of the device can be adjusted through the hydraulic push rod 18 according to the self ability, meanwhile, the exercise requirement for maintaining balance can be increased or eliminated by changing the relative position of the support rod 2 and the limiting ring 7, through the two modes, the training device can be debugged to be suitable for the user with different physical qualities, in the safe training process, the rotating speed of the metal wheel 13 is low and stable, at the moment, the position of the metal sheet 1302 is staggered with most of the magnetic induction lines, the generated resistance can be ignored, when the user takes off the force, the rotating speed of the metal wheel 13 can be increased, at the moment, the metal sheet 1302 can extend out to the periphery of the support ring 1303 under the action of centrifugal force, so that most of the magnetic induction lines are cut, the counter force for preventing the metal wheel 13 from moving is generated, and the counter force can be increased along with the increase of the speed of the metal wheel 13, thereby achieving the effect of buffering or decelerating the body of the user and protecting the safety of the user to a certain extent.
Example two:
with reference to figures 1-7 of the drawings,
the working process of the embodiment is as follows: a high-safety core strength training device comprises a base 1, wherein a supporting shell 3 is arranged at the top of the base 1, one end of the supporting shell 3 in the horizontal direction of the front view is open, a supporting frame 20 is fixedly connected to the bottom of one end of the supporting shell 3, the supporting frame 20 is rotatably connected with the base 1 through a supporting rod, a hydraulic push rod 18 is arranged at the bottom of one end, away from the supporting frame 20, of the supporting shell 3, the top end of the hydraulic push rod 18 is rotatably connected with the supporting shell 3 through a connecting plate, the bottom of the hydraulic push rod is rotatably connected with the base 1, a supporting table 8 is arranged inside the supporting shell 3, the supporting table 8 is elastically connected with the supporting shell 3 through a second spring 17 fixedly connected with the bottom of the supporting table 8, a plurality of supporting rods 2 penetrating through the supporting shell 3 are fixedly connected to two sides of the, the support table 8 and the support shell 3 can be fixedly connected through the matching of the support rod 2 and the limit ring 7, one side of the support table 8 close to the open port of the support shell 3 is fixedly connected with a foot seat 10, the upper surface of the foot seat 10 is provided with two foot grooves 9, the upper surface of the support table 8 is provided with a first chute 15 and two second chutes 16 which are internally communicated, two side walls of the second chute 16 are fixedly connected with two permanent magnet groups, the two permanent magnet groups are vertically distributed, all the permanent magnets 14 in the groups are positioned on a straight line, two permanent magnets 14 positioned on different side walls are in a horizontal symmetrical structure, the inner side of the permanent magnet 14 is provided with a metal wheel 13, the top of the support table 8 is provided with an auxiliary frame 4, the metal wheel 13 is rotatably connected with the auxiliary frame 4 through a roller 21, the roller 21 is fixedly connected with the auxiliary frame 4 at the center, and the rotating part is fixedly connected with the, the size of a channel between the first sliding groove 15 and the second sliding groove 16 is matched with the roller 21, the top of one end, close to the foot seat 10, of the supporting table 8 is fixedly connected with two symmetrically distributed hydraulic door closers 11, the inner sides of the two hydraulic door closers 11 are rotatably connected with the telescopic rod 6, and one end, far away from the supporting table 8, of the telescopic rod 6 is rotatably connected with the protection pad 5 through the torsion spring.
According to the working process, the following steps are known: the user can adjust and lock the length of telescopic link 6 according to self height before beginning the motion, make protection pad 5 just paste the position of oneself chest, then at the user exercise in-process, under the restriction of hydraulic pressure door closer 11, telescopic link 6 remains throughout at a stable slow speed rotation and suits with user's rate of motion, when the user breaks away from when accelerating, the rotational resistance of telescopic link 6 can reduce user's rate of motion to a certain extent, play the effect of the chest position safety of protection use.
Example three:
with reference to figures 1-7 of the drawings,
the working process of the embodiment is as follows: a high-safety core strength training device comprises a base 1, wherein a supporting shell 3 is arranged at the top of the base 1, one end of the supporting shell 3 in the horizontal direction of the front view is open, a supporting frame 20 is fixedly connected to the bottom of one end of the supporting shell 3, the supporting frame 20 is rotatably connected with the base 1 through a supporting rod, a hydraulic push rod 18 is arranged at the bottom of one end, away from the supporting frame 20, of the supporting shell 3, the top end of the hydraulic push rod 18 is rotatably connected with the supporting shell 3 through a connecting plate, the bottom of the hydraulic push rod is rotatably connected with the base 1, a supporting table 8 is arranged inside the supporting shell 3, the supporting table 8 is elastically connected with the supporting shell 3 through a second spring 17 fixedly connected with the bottom of the supporting table 8, a plurality of supporting rods 2 penetrating through the supporting shell 3 are fixedly connected to two sides of the, the support table 8 and the support shell 3 can be fixedly connected through the matching of the support rod 2 and the limit ring 7, one side of the support table 8 close to the open port of the support shell 3 is fixedly connected with a foot seat 10, the upper surface of the foot seat 10 is provided with two foot grooves 9, the upper surface of the support table 8 is provided with a first chute 15 and two second chutes 16 which are internally communicated, two side walls of the second chute 16 are fixedly connected with two permanent magnet groups, the two permanent magnet groups are vertically distributed, all the permanent magnets 14 in the groups are positioned on a straight line, two permanent magnets 14 positioned on different side walls are in a horizontal symmetrical structure, the inner side of the permanent magnet 14 is provided with a metal wheel 13, the top of the support table 8 is provided with an auxiliary frame 4, the metal wheel 13 is rotatably connected with the auxiliary frame 4 through a roller 21, the roller 21 is fixedly connected with the auxiliary frame 4 at the center, and the rotating part is fixedly connected with the, the channel size between the first sliding chute 15 and the second sliding chute 16 is adapted to the roller 21, the protection frame 19 is fixedly connected to both sides of the support housing 3, the protection frame 19 comprises a support seat 1901, a support plate 1902 and a third spring 1903, the tops of the two support seats 1901 are both in an open structure, the support plate 1902 is arranged inside the support seat 1901, and the support plate 1902 is elastically connected with the support seat 1901 through the third spring 1903.
According to the working process, the following steps are known: this trainer's training process similar use the motion process of abdominal muscle wheel volume, the unbalanced condition very easily appears in the user motion process, especially after removing the fixed relation of brace table 8 and support housing 3 through rotating spacing ring 7, one side health can contact the protection frame 19 that corresponds the side promptly when the user unbalance back, the elastic connection relation of establishing through third spring 1903 can provide certain degree buffer function for user's health between supporting seat 1901 and backup pad 1902 this moment, the hard contact on user's health and apparatus or ground has been avoided, play the guard action.
The foregoing shows and describes the general principles, essential features, and advantages of the 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 merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the 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 (6)
1. The utility model provides a core strength training device of high security, includes base (1), its characterized in that: the top of the base (1) is provided with a supporting shell (3), one end of the supporting shell (3) in the horizontal direction of the front view is open, the bottom of one end of the supporting shell (3) is fixedly connected with a supporting frame (20), the supporting frame (20) is rotatably connected with the base (1) through a supporting rod, the bottom of one end, far away from the supporting frame (20), of the supporting shell (3) is provided with a hydraulic push rod (18), the top end of the hydraulic push rod (18) is rotatably connected with the supporting shell (3) through a connecting plate, the bottom of the hydraulic push rod is rotatably connected with the base (1), a supporting table (8) is arranged inside the supporting shell (3), the supporting table (8) is elastically connected with the supporting shell (3) through a second spring (17) fixedly connected with the bottom, a plurality of supporting rods (2) penetrating through the supporting shell (3) are fixedly connected with the, the outer side of the support shell (3) is rotatably connected with a limiting ring (7) at a position matched with the support rod (2), the support table (8) and the support shell (3) can be fixedly connected through the support rod (2) and the limiting ring (7) in a matched manner, one side of the support table (8) close to an open port of the support shell (3) is fixedly connected with a foot base (10), the upper surface of the foot base (10) is provided with two foot treading grooves (9), the upper surface of the support table (8) is provided with a first sliding groove (15) and two second sliding grooves (16) which are internally communicated, two permanent magnet groups are fixedly connected on two side walls of the second sliding grooves (16), the two permanent magnet groups are vertically distributed, all permanent magnets (14) in the groups are positioned on a straight line, and the two permanent magnets (14) positioned on different side walls are in a horizontal symmetrical structure, the inboard of permanent magnet (14) is provided with metal wheel (13), the top of brace table (8) is provided with auxiliary frame (4), metal wheel (13) are connected through gyro wheel (21) rotation with auxiliary frame (4), gyro wheel (21) are in center department and auxiliary frame (4) fixed connection and rotation portion pass through connecting rod (12) and metal wheel (13) fixed connection, the passage size between first spout (15) and second spout (16) suits with gyro wheel (21).
2. The core strength training device of claim 1, wherein: auxiliary frame (4) are including holding rod (401), montant (402), horizon bar (403) and antiskid cover (404), inside and both ends that horizon bar (403) are located first spout (15) all with gyro wheel (21) fixed connection, top fixedly connected with montant (402) of horizon bar (403) center department, top fixedly connected with holding rod (401) of montant (402), all the cover is equipped with antiskid cover (404) on the both ends outer wall of holding rod (401).
3. The core strength training device of claim 1, wherein: the metal wheel (13) comprises a slide way (1301), a metal sheet (1302), a support ring (1303) and a first spring (1304), wherein a plurality of slide ways (1301) are distributed in an array mode are fixedly connected to the inner side of the support ring (1303), the metal sheet (1302) is arranged on one side of the support ring (1303), one end bottom of the metal sheet (1302) close to the circle center of the support ring (1303) is fixedly connected with a supporting rod, the end bottom of the metal sheet (1302) is fixedly connected with the supporting rod, the supporting rod is fixedly connected with the outer ring of the support ring (1303), the slide way (1301) is matched with the supporting rod at the bottom of the metal sheet (1302), the first spring (1304) is located on the inner side of the slide way (1301), and the connecting rod (12) is fixedly connected.
4. The core strength training device of claim 1, wherein: the supporting table (8) is close to the hydraulic door closer (11) with two symmetrical distributions at the top of one end of the foot base (10), the inner side of the hydraulic door closer (11) is rotatably connected with a telescopic rod (6), and one end, far away from the supporting table (8), of the telescopic rod (6) is rotatably connected with a protective pad (5) through a torsion spring.
5. The core strength training device of claim 1, wherein: the equal fixedly connected with in both sides of support housing (3) protects frame (19), protection frame (19) are including supporting seat (1901), backup pad (1902) and third spring (1903), two supporting seat (1901) top all is open structure, the inside of supporting seat (1901) is provided with backup pad (1902), backup pad (1902) are through third spring (1903) and supporting seat (1901) elastic connection.
6. A high safety core strength training device according to claim 3 wherein: the support ring (1303) is located between two groups of permanent magnets (14) in the vertical direction, and the metal sheet (1302) is located between two symmetrical permanent magnets (14) in the horizontal direction when the first spring (1304) is compressed to the shortest.
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