CN114225303B - Upper limb exercise fitness equipment and use method - Google Patents

Upper limb exercise fitness equipment and use method Download PDF

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Publication number
CN114225303B
CN114225303B CN202111638068.9A CN202111638068A CN114225303B CN 114225303 B CN114225303 B CN 114225303B CN 202111638068 A CN202111638068 A CN 202111638068A CN 114225303 B CN114225303 B CN 114225303B
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China
Prior art keywords
spring
sliding
groove
sides
tension spring
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CN202111638068.9A
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Chinese (zh)
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CN114225303A (en
Inventor
刘申
杜丽萍
石龙
杜丽娟
孙福才
徐嘉莹
任天一
葛云龙
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Harbin Vocational and Technical College
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Harbin Vocational and Technical College
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Priority to CN202111638068.9A priority Critical patent/CN114225303B/en
Publication of CN114225303A publication Critical patent/CN114225303A/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/023—Wound springs
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A63B23/129—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles for arm wrestling
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
    • A63B2071/0072—Limiting the applied force, torque, movement or speed

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The utility model provides an upper limbs exercise fitness equipment and application method, including slide, compression frame, the carriage, the pulling block, the extension spring head, the groove in the middle of having of slide, both sides have two spouts that the symmetry set up about the groove in the middle of, the slide bottom has two gear shafts that bilateral symmetry set up, the spring holder has in the middle of the slide bottom, spring hole has in the middle of the spring holder, spring hole bottom plate has the logical groove that runs through the slide, logical groove rear side has the extension spring seat, extension spring seat has the extension spring hole in the middle of, extension spring seat upper portion has the straight flute, straight flute middle has the groove of dodging, the straight flute both sides have two curved grooves of symmetry, compression frame lower part inboard has the bottom plate, the guide slot has in the middle of the bottom plate, compression frame upper portion inboard has the rack, the rack inboard has the connecting plate, the connecting plate inboard has the guide arm, the guide arm inboard has the locking cap, the locking cap rear side has the slide bar, the middle guide hole that has of moving the frame, moving frame lower part inboard has the sill bar.

Description

Upper limb exercising and body-building equipment and using method
Technical Field
The invention relates to the field of upper limb exercise, in particular to upper limb exercise fitness equipment and a using method thereof.
Background
In the upper limb exercise process, the arm strength device is often used for training the deltoid, biceps brachii and triceps brachii, the traditional spring arm strength device has the problems of too small strength at the initial compression stage of a spring, too large pressure at the later compression stage of the spring and too fast elastic change, the training can only be performed in one direction, the training effect is poor, and the problem needs to be solved by an upper limb body-building device.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the upper limb exercising and body-building equipment with quick elasticity increase, smooth elasticity transition and bidirectional training.
The purpose of the invention is realized by the following technical scheme:
the utility model provides an upper limbs exercise fitness equipment, which comprises a slide, the compression frame, remove the frame, pull the piece, the extension spring head, the middle groove has in the middle of the slide, both sides have two spouts that the symmetry set up about the middle groove, the slide bottom has two gear shafts that bilateral symmetry set up, the spring holder has in the middle of the slide bottom, the spring hole has in the middle of the spring holder, spring hole bottom plate has the logical groove that runs through the slide, logical groove rear side has the extension spring seat, extension spring seat has the extension spring hole in the middle of the extension spring seat, extension spring seat upper portion has the straight flute, the straight flute has in the middle of the straight flute and dodges the groove, the straight flute both sides have two curved grooves of symmetry, compression frame lower part inboard has the bottom plate, the bottom plate has the guide slot in the middle of the bottom plate, compression frame upper portion inboard has the rack, the rack inboard has the connecting plate, the connecting plate inboard has the guide arm, the guide arm inboard has the locking cap, locking cap rear side has the slide bar, the middle guide hole that has of removing the frame, it has the sill bar inboard, it has the rack to remove frame upper portion inboard and has the baffle.
Every gear shaft outside is rotated and is connected a gear, every gear rotates around the gear shaft, spout left and right sides upper portion is sliding connection rack respectively, every compression frame slides on spout left and right sides upper portion, gear and rack intermeshing, spout left and right sides upper portion is sliding connection baffle respectively, every carriage slides on spout left and right sides upper portion, spout left and right sides lower part is sliding connection sill bar respectively, every carriage slides in spout both sides lower part simultaneously, every side carriage sets up in the compression frame inboard, the sill bar front side is inside the sliding connection guide slot simultaneously, the carriage slides in the guide slot simultaneously, gear and carriage rack intermeshing.
A second spring is sleeved on the outer side of the guide rod, one side of the second spring abuts against the inner side of the connecting plate, the other side of the second spring abuts against the inner side of the guide hole, a first spring is placed in the inner side of the spring hole, the guide rods on the two sides penetrate through the guide hole, and the fixing caps on the two sides abut against the two sides of the first spring.
The middle of the pulling block is provided with a square hole, the front side of the pulling block is provided with a straight surface, the outer side of the straight surface is provided with an inclined surface, the upper part of the pulling block is provided with a cam rod, one side of the tension spring head is provided with a fixed shaft, the other side of the tension spring head is provided with a conical surface, each slide rod penetrates through the through groove, the outer side of each slide rod is slidably connected with one square hole, each pulling block slides along the slide rod, the outer side of each slide rod is sleeved with a third spring, the inner side of the third spring abuts against the tail end of the slide rod, the outer side of the third spring abuts against the inner side of the pulling block, each cam rod sequentially slides in the straight groove, the bent groove and the avoiding groove, the two sides of the tension spring are respectively provided with one tension spring head, the fixed shafts at the two sides of the tension spring are respectively sleeved with the two sides of the tension spring, the two tension spring heads are respectively and fixedly connected with the same-side fixed shaft, and the two tension spring heads and the tension springs simultaneously slide in the tension spring holes.
Has the advantages that:
when the invention is used, the elasticity is rapidly increased in the initial stage of use, the elasticity is smoothly transited in the whole process, a trainer can be trained in two directions, when the compression frame is pushed, the compression frame and the moving frame are driven by the gear to generate opposite movement, so that the second spring is compressed twice the stroke of the compression frame, the second spring is compressed rapidly, if k is the stiffness coefficient of the spring, Δ x is the expansion and contraction amount of the spring, and F is the force applied to the spring, F = k × Δ x, Δ x is twice the stroke of the compression frame, the elasticity of the spring can be rapidly increased, the phenomenon that the pressure is too small when the exercise is started to influence the exercise effect is avoided, and because the two second springs and the first spring are used in series, the stress of the three springs is the same, and after the three springs are connected in series, the total stiffness coefficient is reduced, therefore, when the spring is stressed, the spring force is transited smoothly, the phenomenon that personnel are injured due to severe change of the spring force in the exercise process and the exercise effect is influenced or the injury is brought to an exerciser is avoided, the bottom rod and the guide plate respectively slide in the sliding groove, the sliding stability of the movable frame is increased, the deflection and the blocking of the movable frame are prevented, the exercise effect is influenced, the upper side of the rack slides in the sliding groove, the guide grooves are clamped at the two sides of the bottom rod, the sliding stability of the compression frame is increased, the deflection and the blocking of the compression frame are prevented, a space is provided for the relative motion of the compression frame and the movable frame, the parts are mutually matched smoothly, the blocking is prevented, the stress is balanced, the balance is good, and the stiffness coefficient of the tension spring is larger than that of other springs, so that when the training device returns, the tension spring can absorb the elasticity of other springs, and the trainer can pull the tension spring open only by pulling, thereby not only enabling the trainer to exercise reversely, but also preventing the resilience force from causing injury to the trainer.
Drawings
Fig. 1 is a schematic structural view of the upper limb exercise and fitness equipment according to the present invention when compressed.
Fig. 2 is a schematic view of the rear side structure of the upper limb exercise and fitness device according to the present invention during compression.
Fig. 3 is a schematic view of the internal structure of the upper limb exercise device of the present invention during compression.
Fig. 4 is a schematic structural view of the upper limb exercise and fitness equipment of the invention when being pulled reversely.
Fig. 5 is a schematic diagram of the rear side structure of the upper limb exercise and fitness device of the present invention when it is pulled back.
Fig. 6 is a schematic diagram of the internal structure of the upper limb exercise and fitness equipment of the invention when being pulled reversely.
Fig. 7 is a schematic structural view of the pulling block and the tension spring head after unhooking.
Fig. 8 is a schematic structural view of the rear side of the puller after the tension spring head is unhooked.
Fig. 9 is a schematic view of the internal structure of the pulling block and the tension spring head after unhooking.
Fig. 10 is a schematic structural diagram of a slider according to the present invention.
Fig. 11 is a rear side structural view of the slider according to the present invention.
Fig. 12 is a schematic cross-sectional view of a slider according to the present invention.
Fig. 13 is a schematic view of a compressor according to the present invention.
Fig. 14 is a schematic structural view of the moving frame according to the present invention.
Fig. 15 is a schematic view of a pulling block according to the present invention.
Fig. 16 is a schematic view of a tension spring head structure according to the present invention.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
an upper limb exercising and body-building device comprises a sliding seat 110, a compression frame 120, a moving frame 130, a pulling block 170 and a tension spring head 180, wherein a middle groove 111 is arranged in the middle of the sliding seat 110, two sliding grooves 112 symmetrically arranged on the upper side and the lower side of the middle groove 111 are arranged, two gear shafts 113 symmetrically arranged on the left side and the right side are arranged at the bottom of the sliding seat 110, a spring seat 114 is arranged in the middle of the bottom of the sliding seat 110, a spring hole 115 is arranged in the middle of the spring seat 114, a through groove 116 penetrating through the sliding seat 110 is arranged on the bottom plate of the spring hole 115, a tension spring seat 117 is arranged on the rear side of the through groove 116, a tension spring hole 118 is arranged in the middle of the tension spring seat 117, a straight groove 1171 is arranged at the upper part of the tension spring seat 117, the straight groove 1171 is provided with an escape groove 1173 in the middle, two symmetrical bent grooves 1172 are arranged on two sides of the straight groove 1171, the bottom plate 121 is arranged on the inner side of the lower part of the compression frame 120, the guide groove 122 is arranged in the middle of the bottom plate 121, the rack 123 is arranged on the inner side of the upper part of the compression frame 120, the connecting plate 124 is arranged on the inner side of the connecting plate 124, the fixing cap 126 is arranged on the inner side of the guide rod 125, the sliding rod 127 is arranged on the rear side of the fixing cap 126, the guide hole 131 is arranged in the middle of the moving frame 130, the bottom rod 132 is arranged on the inner side of the lower part of the moving frame 130, the moving frame rack 133 is arranged on the inner side of the bottom rod 132, and the guide plate 134 is arranged on the inner side of the upper part of the moving frame 130.
When the device is used, two hands hold the two side compression frames, the two hands simultaneously exert force towards the inner side of the sliding seat, the compression frames slide towards the inner side of the sliding seat along the sliding grooves, the compression frames slide towards the inner side of the sliding seat to drive the gears to rotate, the gears rotate to drive the moving frame to move towards the outer side of the sliding seat along the sliding grooves, the compression frames and the moving frame move oppositely, the second springs are compressed, the two side compression frames simultaneously slide towards the inner side of the sliding seat, the first springs are compressed, a user simultaneously overcomes the elastic force of the second springs and the first springs to compress the two side compression frames towards the inner side, the two arms of the user are exercised, the compression frames drive the pulling blocks to slide towards the inner side together when moving towards the inner side, the cam rods slide towards the inner side along the straight grooves, when the inclined surfaces touch the conical surfaces, the pulling blocks push the front side to move under the action of the conical surface of the tension spring head, the cam rods slide to the avoiding grooves from the straight surfaces to the inclined surfaces, then the pulling blocks are reset to the inner sides of the two side straight surfaces and the two sides of the tension heads are opposite to the extension springs when the compression frames move towards the outer sides, the two sides, the extension springs, the extension spring heads and the extension springs are pulled to the extension spring hooks are pulled to pull the two sides of the two sides, and the two sides of the extension spring heads to pull the extension spring heads.
Each gear 140 is rotatably connected to the outer side of each gear shaft 113, each gear 140 rotates around the gear shaft 113, a rack 123 is respectively slidably connected to the upper portions of the left and right sides of the sliding chute 112, each compression rack 120 slides on the upper portions of the left and right sides of the sliding chute 112, the gear 140 and the rack 123 are meshed with each other, a guide plate 134 is respectively slidably connected to the upper portions of the left and right sides of the sliding chute 112, each movable rack 130 slides on the lower portions of the left and right sides of the sliding chute 112, each movable rack 130 is arranged on the inner side of the compression rack 120, the front side of each bottom rod 132 is simultaneously slidably connected to the inside of the corresponding guide groove 122, the movable racks 130 simultaneously slide in the corresponding guide grooves 122, and the gear 140 and the movable rack 133 are meshed with each other.
A second spring 150 is sleeved on the outer side of the guide rod 125, one side of the second spring 150 abuts against the inner side of the connecting plate 124, the other side of the second spring 150 abuts against the inner side of the guide hole 131, a first spring 160 is placed in the inner side of the spring hole 115, the guide rods 125 on the two sides penetrate through the guide hole 131, and the fixing caps 126 on the two sides abut against the two sides of the first spring 160.
The middle of the pulling block 170 is provided with a square hole 171, the front side of the pulling block 170 is provided with a straight surface 173, the outer side of the straight surface 173 is provided with a slope 174, the upper part of the pulling block 170 is provided with a cam rod 172, one side of the tension spring head 180 is provided with a fixed shaft 181, the other side of the tension spring head 180 is provided with a conical surface 182, each sliding rod 127 passes through the through groove 116, the outer side of each sliding rod 127 is slidably connected with one square hole 171, each pulling block 170 slides along the sliding rod 127, the outer side of each sliding rod 127 is sleeved with one third spring 210, the inner side of the third spring 210 is abutted against the tail end of the sliding rod 127, the outer side of the third spring 210 is abutted against the inner side of the pulling block 170, each cam rod 172 sequentially slides in the straight groove 1171, the curved groove 1172 and the avoiding groove 1173, two sides of the tension spring 190 are respectively provided with one tension spring head 180, the two side fixed shafts 181 are respectively sleeved on two sides of the tension spring 190, two sides of the tension spring 190 are respectively fixedly connected with the same side fixed shaft 181, the two tension spring heads 180 are simultaneously slidably connected with the tension spring hole 118, and the two tension spring heads 180 and the tension spring 190 simultaneously slide in the tension spring hole 118.
When the present invention is used, two hands hold the two side compression frames 120, the two hands simultaneously apply force to the inner side of the sliding base 110, the compression frames 120 slide along the sliding slots 112 to the inner side of the sliding base 110, the compression frames 120 slide inward to drive the gears 140 to rotate, the gears 140 rotate to drive the moving frame 130 to move along the sliding slots 112 to the outer side of the sliding base 110, the compression frames 120 and the moving frame 130 move in opposite directions, the second spring 150 is compressed, the two side compression frames 120 slide inward to the inner side of the sliding base 110 simultaneously, the first spring 160 is compressed, the user simultaneously overcomes the elastic forces of the second spring 150 and the first spring 160 to compress the two side compression frames 120 inward, the user exercises both arms, the compression frames 120 slide inward to drive the pull block 170 to slide inward together, the cam rod 172 slides inward along the straight slot 1171, when the inclined plane 174 touches the conical plane 182, the pulling block 170 moves forward under the pushing of the tension spring head 180, the cam rod 172 slides from the straight groove 1171 to the avoiding groove 1173, the inclined plane 174 slides over the surface of the conical surface 182, the pulling block 170 is reset under the action of the third spring 210, the straight surfaces 173 on the two sides are opposite to the inner side of the tension spring head 180, when the compression frame 120 moves to the inner side, the compression frame 120 is pulled reversely, the straight surfaces 173 on the two sides can hook the inner side of the tension spring head 180, the tension spring head 180 is driven by the pulling block 170 on the two sides to move to the outer side, the tension spring 190 is stretched, the purpose of bidirectional exercise of a trainer is achieved, a user is prevented from being injured by spring rebounding, the use is safer, when the tension spring head 180 is driven by the pulling block 170 to the outer side, the cam rod 172 slides from the straight groove 1171 to the curved groove 1172, the straight surfaces 173 and the inner side of the tension spring head 180 are unhooked, and the tension spring heads 180 on the two sides reset under the action of the tension spring 190; the parts are smooth in interaction and matching, balanced in stress, safer to use and better in exercise effect.
When the invention is used, the initial elastic force is used for rapidly increasing, the elastic force in the whole process is in smooth transition, a trainer can train in two directions, when the compression frame 120 is pushed, the compression frame 120 and the moving frame 130 are driven by the gear 140 to move oppositely, so that the compression distance of the second spring 150 is twice of the stroke of the compression frame 120, the second spring 150 is rapidly compressed, if K is the stiffness coefficient of the spring, delta x is the expansion and contraction quantity of the spring, and F is the force borne by the spring, F = K delta x, and delta x is equal to twice of the stroke of the compression frame 120, so that the elastic force of the spring can rapidly increase, the exercise effect is avoided being influenced due to the undersize pressure when the exercise starts, and because the two second springs 150 and the first spring 160 are used in series, the three springs are stressed in the same way, if F is the stiffness coefficients of the three springs are respectively K1, K2 and K3, the total stiffness coefficient is K, the expansion and contraction quantities of the three springs are respectively delta x1, delta x2 and delta x3, and the stress x3, and the three springs are respectively:
F=K1*△x1
F=K2*△x2
F=K3*△x3
F=K(△x1+△x2+△x3)=K(F/k1+F/k2+F/k3) K= 1/k1+1/k2+1/k3
after the three springs are connected in series, the total stiffness coefficient is reduced, so that when the elastic force-bearing training device is stressed, the elastic force is transited smoothly, the phenomenon that the elastic force changes violently in the training process to affect the training effect or hurt an exerciser is avoided, the bottom rod 132 and the guide plate 134 slide in the sliding groove 112 respectively, the sliding stability of the movable frame 130 is improved, the deflection and the blocking of the movable frame 130 are prevented, the training effect is influenced, the upper side of the rack 123 slides in the sliding groove 112, the guide groove 122 is blocked at two sides of the bottom rod 132, the sliding stability of the compression frame 120 is improved, the deflection and the blocking of the compression frame 120 are prevented, a space is provided for the relative movement of the compression frame 120 and the movable frame 130, the stiffness coefficient of the tension spring 190 is larger than that of other springs, the tension spring 190 can absorb the elastic force of other springs in the return stroke, the trainer can pull the tension spring 190 by pulling, the trainer can reversely train, and the injury to the trainer caused by overlarge resilience force is prevented.
The use method of the upper limb exercising and body-building equipment is characterized by comprising the following steps: when the invention is used, firstly, the two sides of the compression rack 120 are held, and the compression rack is compressed towards the inner side of the sliding seat 110, and secondly, the compression rack 120 is reversely pulled after being compressed in place, and the compression and the stretching are repeated, so that the trainer can do bidirectional exercise. When the device is used, two hands hold the two side compression frames, the two hands simultaneously exert force towards the inner side of the sliding seat, the compression frames slide towards the inner side of the sliding seat along the sliding grooves, the compression frames slide towards the inner side of the sliding seat to drive the gears to rotate, the gears rotate to drive the moving frame to move towards the outer side of the sliding seat along the sliding grooves, the compression frames and the moving frame move oppositely, the second springs are compressed, the two side compression frames simultaneously slide towards the inner side of the sliding seat, the first springs are compressed, a user simultaneously overcomes the elastic force of the second springs and the first springs to compress the two side compression frames towards the inner side, the two arms of the user are exercised, the compression frames drive the pulling blocks to slide towards the inner side together when moving towards the inner side, the cam rods slide towards the inner side along the straight grooves, when the inclined surfaces touch the conical surfaces, the pulling blocks push the front side to move under the action of the conical surface of the tension spring head, the cam rods slide to the avoiding grooves from the straight surfaces to the inclined surfaces, then the pulling blocks are reset to the inner sides of the two side straight surfaces and the two sides of the tension heads are opposite to the extension springs when the compression frames move towards the outer sides, the two sides, the extension springs, the extension spring heads and the extension springs are pulled to the extension spring hooks are pulled to pull the two sides of the two sides, and the two sides of the extension spring heads to pull the extension spring heads.

Claims (2)

1. An upper limb exercise fitness device is characterized by comprising a sliding seat, a compression frame, a moving frame, a pulling block and a pulling spring head, wherein a middle groove is formed in the middle of the sliding seat, two sliding grooves are symmetrically formed in the upper side and the lower side of the middle groove, two gear shafts are symmetrically arranged at the left side and the right side of the sliding seat, a spring seat is arranged in the middle of the bottom of the sliding seat, a spring hole is formed in the middle of the spring seat, a through groove penetrating through the sliding seat is formed in the bottom plate of the spring hole, a pulling spring seat is arranged on the rear side of the through groove, a pulling spring hole is formed in the middle of the pulling spring seat, a straight groove is formed in the upper portion of the pulling spring seat, an avoiding groove is formed in the middle of the straight groove, two bent grooves are symmetrically formed in the two sides of the straight groove, a bottom plate is arranged on the inner side of the lower portion of the compression frame, a guide groove is formed in the middle of the bottom plate, a rack is arranged on the inner side of the upper portion of the compression frame, a connecting plate is provided with a fixing cap, a sliding rod is provided with a sliding rod on the rear side of the fixing cap, a guide hole is formed in the middle of the moving frame, a bottom rod, a moving frame is provided with a bottom rod, a moving frame rack on the inner side, a moving frame is provided with a moving frame rack on the inner side of the bottom rod, and a guide plate is provided with a guide plate; the outer side of each gear shaft is rotatably connected with a gear, each gear rotates around the gear shaft, the upper parts of the left side and the right side of the sliding chute are respectively connected with a rack in a sliding manner, each compression frame slides on the upper parts of the left side and the right side of the sliding chute, the gear and the rack are mutually meshed, the upper parts of the left side and the right side of the sliding chute are respectively connected with a guide plate in a sliding manner, each moving frame slides on the upper parts of the left side and the right side of the sliding chute, the lower parts of the left side and the right side of the sliding chute are respectively connected with a bottom rod in a sliding manner, each moving frame simultaneously slides on the lower parts of the two sides of the sliding chute, each moving frame is arranged on the inner side of the compression frame, the front sides of the bottom rods are simultaneously connected with the inside of the guide grooves in a sliding manner, and the gears and the racks of the moving frames are mutually meshed; a second spring is sleeved outside the guide rod, one side of the second spring abuts against the inner side of the connecting plate, the other side of the second spring abuts against the inner side of the guide hole, a first spring is placed inside the spring hole, the guide rods on the two sides penetrate through the guide hole, and the fixing caps on the two sides abut against the two sides of the first spring; the middle of the pulling block is provided with a square hole, the front side of the pulling block is provided with a straight surface, the outer side of the straight surface is provided with an inclined surface, the upper part of the pulling block is provided with a cam rod, one side of the tension spring head is provided with a fixed shaft, the other side of the tension spring head is provided with a conical surface, each sliding rod penetrates through the through groove, the outer side of each sliding rod is connected with one square hole in a sliding manner, each pulling block slides along the sliding rod, the outer side of each sliding rod is sleeved with a third spring, the inner side of the third spring abuts against the tail end of the sliding rod, the outer side of the third spring abuts against the inner side of the pulling block, and each cam rod sequentially slides in the straight groove, the bent groove and the avoidance groove; the two sides of the tension spring are respectively provided with a tension spring head, the fixing shafts on the two sides are respectively sleeved on the two sides of the tension spring, the two sides of the tension spring are respectively fixedly connected with the fixing shafts on the same side, the two tension spring heads are simultaneously in sliding connection with the tension spring holes, and the two tension spring heads and the tension spring slide in the tension spring holes simultaneously.
2. The method of using the upper limb exercise and fitness device of claim 1, comprising the steps of: when the upper limb exercise fitness equipment is used, the two sides of the compression frame are firstly held, the compression frame is compressed towards the inner side of the sliding seat, and the compression frame is reversely pulled after being compressed in place in the second step, so that the compression and the stretching are repeated, and a trainer can do bidirectional exercise.
CN202111638068.9A 2021-12-30 2021-12-30 Upper limb exercise fitness equipment and use method Active CN114225303B (en)

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Application Number Priority Date Filing Date Title
CN202111638068.9A CN114225303B (en) 2021-12-30 2021-12-30 Upper limb exercise fitness equipment and use method

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Application Number Priority Date Filing Date Title
CN202111638068.9A CN114225303B (en) 2021-12-30 2021-12-30 Upper limb exercise fitness equipment and use method

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CN114225303B true CN114225303B (en) 2022-10-25

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3071812C (en) * 2012-07-17 2020-10-06 Guy Murray Compressible barbell adapter
KR101292937B1 (en) * 2013-02-15 2013-08-02 이영철 Grip expander
CN210674126U (en) * 2019-08-21 2020-06-05 天津卿程自行车有限公司 Chest expander with safeguard function

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