CN114177583A - Adjustable physical exercise arm strength training device with anti-skidding structure - Google Patents

Adjustable physical exercise arm strength training device with anti-skidding structure Download PDF

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Publication number
CN114177583A
CN114177583A CN202111550415.2A CN202111550415A CN114177583A CN 114177583 A CN114177583 A CN 114177583A CN 202111550415 A CN202111550415 A CN 202111550415A CN 114177583 A CN114177583 A CN 114177583A
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CN
China
Prior art keywords
arm strength
weight
training device
strength training
exercise arm
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Pending
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CN202111550415.2A
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Chinese (zh)
Inventor
张振中
解术军
刘迪
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Shandong Vocational Animal Science and Veterinary College
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Shandong Vocational Animal Science and Veterinary College
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Priority to CN202111550415.2A priority Critical patent/CN114177583A/en
Publication of CN114177583A publication Critical patent/CN114177583A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/03516For both arms together or both legs together; Aspects related to the co-ordination between right and left side limbs of a user
    • A63B23/03525Supports for both feet or both hands performing simultaneously the same movement, e.g. single pedal or single handle
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06User-manipulated weights
    • A63B21/062User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces
    • A63B21/0626User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means
    • A63B21/0628User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means for vertical array of weights
    • A63B21/0632User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means for vertical array of weights the weights being lifted by rigid means
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12Exercising 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
    • A63B23/1209Involving a bending of elbow and shoulder joints simultaneously
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N11/00Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Physical Education & Sports Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The invention relates to the technical field of fitness equipment, in particular to an adjustable arm strength training device with an anti-skidding structure for physical training. The technical scheme comprises the following steps: pulley assembly, support, counter weight component and lubricated subassembly, the roof is installed at the top of support, and pulley assembly is installed to the bottom of roof, installs the fixed plate in the pulley assembly, and two sets of installation belts are installed to bottom one side of fixed plate, and elasticity gasbag is installed to the bottom in installation belt, and lubricated subassembly is installed to the bottom of fixed plate, installs lubricated case in the lubricated subassembly, and the roller is installed to lubricated case's inside both sides. According to the invention, the rotating roller is arranged in the lubricating box, and can be driven to rotate by the contact of the steel cable and the rotating roller, so that the rotating roller can rotate and simultaneously smear the lubricating oil in the lubricating box on the bottom of the steel cable, the friction force between the steel cable and the pulley block can be reduced, and the purpose of reducing the abrasion of the device is achieved.

Description

Adjustable physical exercise arm strength training device with anti-skidding structure
Technical Field
The invention relates to the technical field of fitness equipment, in particular to an adjustable arm strength training device with an anti-skidding structure for physical training.
Background
Arm strength exerciser is a mechanical device that is used for arm muscle tensile to take exercise, connects the balancing weight of arm and different weight through the cable wire to make the user adjust the exercise intensity of arm according to the exercise intensity of self, consequently, for the convenience of the user to carry out tensile exercise to double arm muscle, we propose an adjustable physical training and use arm strength trainer with anti-skidding structure.
Through retrieval, patent publication No. CN202070091U discloses an arm strength exerciser, wherein adjustable belt bodies are respectively arranged at two ends of a rear cushion, fixing rods are respectively arranged inside two ends of the rear cushion, the upper end of each fixing rod is exposed out of the rear cushion, the diameter of each fixing rod is matched with the pore diameter of a plurality of fixing holes longitudinally arranged on a shoulder rod, and the lower ends of two shoulder rods are connected through a plurality of springs; the upper end of the shoulder rod is connected with the handle through a rotating shaft; the lower part of the back cushion is provided with a safety belt.
The existing arm strength training device for physical training has the defects that:
1. when the existing arm strength training device for physical training is stretched, the steel cable pulls the counterweight block, and the gravity borne by the steel cable completely acts on the top of the pulley block, so that after the steel cable is rubbed with the pulley block for a long time, the steel cable and the surface of the pulley block are abraded to a certain degree, the structural strength and the tensile resistance of the steel cable are further reduced, and the device has certain potential safety hazards;
2. present physical training is with arm strength trainer is taking exercise the in-process, when the user releases the cable wire in the twinkling of an eye, because the cable wire receives the balancing weight pulling, the pull ring of cable wire one end can rise rapidly to can make cable wire and pull ring random whipping, not only can lead to the fact the collision to the assembly pulley at device top, still can cause the damage to people around, reduced the durability and the security of device.
Disclosure of Invention
The invention aims to provide an adjustable physical training arm strength training device with an anti-skid structure, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an arm strength trainer for physical training with adjustable antiskid structure, includes loose pulley assembly, support, counter weight subassembly and lubricated subassembly, the base is installed to the bottom of support, the roof is installed at the top of support, the supporting seat is installed to top one side of base, the counter weight subassembly is installed to top one side of base, install the weight box in the counter weight subassembly, loose pulley assembly is installed to the bottom of roof, install the fixed plate in the loose pulley assembly, two sets of installation zones are installed to bottom one side of fixed plate, the elasticity gasbag is installed to the bottom of installation zone, the cable wire is installed to the below of fixed plate, lubricated subassembly is installed to the bottom of fixed plate, install lubricated case in the lubricated subassembly, the roller is installed to lubricated case's inside both sides.
Use among this technical scheme during an adjustable physical training is with arm strength trainer with anti-skidding structure, support the user through cushion and cushion, through counter weight pole and inserting groove block, be connected the cable wire with the balancing weight, the pulling link stimulates the cable wire, the effort that makes the balancing weight acts on the both arms of user and stretches the exercise, it rotates to drive the commentaries on classics roller through the cable wire, make the commentaries on classics roller paint lubricating oil to the cable wire and lubricate, reduce the wearing and tearing of gyro wheel between the cable wire, carry on spacingly through the one end of spacing ring to the cable wire, simultaneously elasticity gasbag carries out elastic support to two sets of spacing rings, and then cushion the impact force of pull ring transmission.
Preferably, the shaft bracket is installed on the two sides of the bottom of the fixing plate, the roller is installed on one side of the shaft bracket, and the limiting rings are installed at the two ends of the elastic air bag. The pedestal can carry on spacingly to the gyro wheel, and the gyro wheel can rotate, and then carries on spacingly to the cable wire, has increased the stability of cable wire, and the spacing ring can carry on spacingly to the cable wire, and then avoids the cable wire to whip.
Preferably, the fixed disk is installed to the inboard of support, and one side of fixed disk installs the storing groove. The fixed disc can provide the position of installation to the storing groove, and the storing groove can provide the position of depositing to user's personal article.
Preferably, two sets of foot pads are installed to the bottom both sides of base, and the bottom of foot pad installs the rubber pad. The callus on the sole can support the bottom of base, and then has increased the stability of device.
Preferably, the top of supporting seat is installed the cushion, and one side of supporting seat installs the bracing piece, and the cushion is installed to the outside of bracing piece. The cushion can provide the support for the user, and then can guarantee that the user tempers the stability of in-process, and the bracing piece can support the cushion, and the cushion can support user's back to user's back stability has been increased, the crooked muscle tensile damage that causes other positions of attitude when preventing that the user from taking exercise.
Preferably, the two sides of the balancing weight are provided with inserting grooves, and one side inside the balancing weight is provided with a rubber sleeve. The inserting groove can be connected with balancing weight and cable wire with the balancing weight cooperation, and then is convenient for adjust the exercise intensity of device, and the rubber sleeve can produce the friction with the gag lever post, and then can avoid the balancing weight too fast mutual collision when vertical lift.
Preferably, the weight box is internally provided with a counter weight, the bottom of the weight box is provided with a mounting plate, one side of the weight box is provided with a through groove, and one side of the inside of the weight box is provided with a limiting rod. The pulling force can be applyed to the balancing weight to the cable wire, and then temper user's both arms, and the mounting panel can be with weight box and base fixed connection, and then has increased the installation stability of weight box, leads to the groove and can provide the position of installation and removal for the counterweight rod, and then can make the counterweight rod drive balancing weight vertical migration, and the gag lever post can be in the balancing weight block, and then can make the balancing weight in the inside vertical lift of weight box.
Preferably, the sleeve pipe is installed in the outside of changeing the roller, and the sponge strip is installed to sheathed tube outside equidistance, and the sealing plug is installed to the bottom of lubricated case, and the both sides of lubricated case are equipped with the through wires hole. The sleeve pipe can with the cable wire contact, drive through the cable wire and rotate, and then drive the sponge strip and rotate, and the sponge strip can absorb lubricating oil, and then lubricate the cable wire when contacting with the cable wire, and the sealing plug can seal the opening of lubricated bottom of the case portion, and then conveniently carries out the replenishment of lubricating oil to the inside of lubricated case, and the through wires hole can provide the position of installation and removal for the cable wire.
Preferably, the pull ring is installed to the one end of cable wire, and the one end that the pull ring was kept away from to the cable wire installs the connecting seat, and the weight lever is installed to the bottom of connecting seat. The pull ring can provide the position of gripping to the one end of cable wire, and then the person of being convenient for grip the cable wire, and the connecting seat can be with cable wire and weight lever fixed connection, and the inside of inserting the inserting groove can be inserted to the weight lever, and then carries out the counter weight with cable wire and balancing weight fixed connection to the cable wire to temper user's both arms.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the rotating roller is arranged in the lubricating box, and can be driven to rotate by the contact of the steel cable and the rotating roller, so that the rotating roller can rotate and simultaneously smear the lubricating oil in the lubricating box on the bottom of the steel cable, the friction force between the steel cable and the pulley block can be reduced, and the purpose of reducing the abrasion of the device is achieved.
2. According to the invention, the elastic air bags are arranged at the bottom of the mounting belt, so that two groups of limiting rings can be elastically supported by the elastic air bags, and further, when the limiting rings are subjected to impact force exerted by the pull ring, the impact force transmitted by the pull ring is buffered, the pull ring is prevented from colliding with components at the bottom of the top plate to be damaged, the steel cable can be limited, and the steel cable is prevented from driving the pull ring to swing to damage people around.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a front external view of the present invention;
fig. 4 is a partial schematic view of the sheave assembly of the present invention;
FIG. 5 is a schematic view of a portion of the counterweight assembly of the present invention;
fig. 6 is a partial structural schematic view of the lubricating assembly of the present invention.
In the figure: 1. a sheave assembly; 101. a fixing plate; 102. a pedestal; 103. a roller; 104. mounting a belt; 105. an elastic air bag; 106. a limiting ring; 2. a support; 201. a top plate; 202. a storage tank; 203. a base; 204. fixing the disc; 205. a foot pad; 3. a supporting seat; 301. back cushion; 302. a support bar; 303. a cushion; 4. a counterweight assembly; 401. a weight box; 402. a through groove; 403. a balancing weight; 404. inserting grooves; 405. mounting a plate; 406. a rubber sleeve; 407. a limiting rod; 5. a lubrication assembly; 501. a lubrication box; 502. threading holes; 503. rotating the roller; 504. a sealing plug; 505. a sponge strip; 506. a sleeve; 6. a steel cord; 601. a pull ring; 602. a weight lever; 603. a connecting seat.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1 to 6, the adjustable exercise arm strength training device with anti-slip structure according to the present invention comprises a pulley assembly 1, a support frame 2, counterweight assembly 4 and lubricated subassembly 5, base 203 is installed to the bottom of support 2, roof 201 is installed at the top of support 2, supporting seat 3 is installed to top one side of base 203, counterweight assembly 4 is installed to top one side of base 203, install weight box 401 in counterweight assembly 4, loose pulley assembly 1 is installed to the bottom of roof 201, install fixed plate 101 in the loose pulley assembly 1, two sets of mounting bands 104 are installed to bottom one side of fixed plate 101, elastic air bag 105 is installed to the bottom of mounting band 104, cable wire 6 is installed to the below of fixed plate 101, lubricated subassembly 5 is installed to the bottom of fixed plate 101, install lubricated case 501 in the lubricated subassembly 5, change roller 503 is installed to the inside both sides of lubricated case 501.
Based on the first embodiment, the working principle of the adjustable physical training device with the anti-skid structure is as follows: support the user through cushion 303 and cushion 301, block through balance weight pole 602 and inserting groove 404, be connected cable wire 6 and balancing weight 403, pulling pull ring 601 stimulates cable wire 6, make the effort of balancing weight 403 act on and stretch the exercise on user's both arms, it rotates to rotate roller 503 to drive through cable wire 6, it is lubricated to paint lubricating oil to cable wire 6 to make to rotate roller 503, reduce the wearing and tearing between gyro wheel 103 and the cable wire 6, carry on spacingly to the one end of cable wire 6 through spacing ring 106, elastic airbag 105 carries out elastic support to two sets of spacing rings 106 simultaneously, and then cushion the impact force of pull ring 601 transmission.
Example two
As shown in fig. 1 to 6, compared with the first embodiment, the adjustable exercise training device with an anti-slip structure of the present invention further includes: the two sides of the bottom of the fixing plate 101 are provided with the shaft bracket 102, one side of the shaft bracket 102 is provided with the roller 103, two ends of the elastic air bag 105 are provided with the limit rings 106, the inner side of the bracket 2 is provided with the fixed disc 204, one side of the fixed disc 204 is provided with the storage groove 202, two groups of foot pads 205 are arranged on two sides of the bottom of the base 203, the bottom of the foot pads 205 is provided with the rubber pad, the top of the supporting seat 3 is provided with the cushion 303, one side of the supporting seat 3 is provided with the supporting rod 302, the outer side of the supporting rod 302 is provided with the back cushion 301, two sides of the counterweight block 403 are provided with the inserting grooves 404, one side of the inner part of the counterweight block 403 is provided with the rubber sleeve 406, the counterweight block 403 is arranged in the counterweight box 401, the bottom of the counterweight box 401 is provided with the mounting plate 405, one side of the counterweight box 401 is provided with the through groove 402, one side of the inner part of the counterweight box 401 is provided with the limit rod 407, the outer side of the rotating roller 503 is provided with the sleeve 506, and the sponge strip 505 is installed to the outside equidistance of sleeve pipe 506, and the sealing plug 504 is installed to the bottom of lubrication box 501, and the both sides of lubrication box 501 are equipped with through wires hole 502, and pull ring 601 is installed to the one end of cable wire 6, and the one end of cable wire 6 keeping away from pull ring 601 installs connecting seat 603, and the bottom of connecting seat 603 is installed the weight lever 602.
In this embodiment, the shaft bracket 102 can limit the roller 103, the roller 103 can rotate to limit the cable 6, thereby increasing the stability of the cable 6, the limit ring 106 can limit the cable 6, thereby avoiding the cable 6 from swinging, the fixing disc 204 can provide an installation position for the storage groove 202, the storage groove 202 can provide a storage position for personal articles of a user, the foot pad 205 can support the bottom of the base 203, thereby increasing the stability of the device, the cushion 303 can provide a support for the user, thereby ensuring the stability of the user in the exercise process, the support rod 302 can support the back cushion 301, the back cushion 301 can support the back of the user, thereby increasing the stability of the back of the user, preventing the posture of the user from being inclined to cause the tensile damage of muscles at other positions during the exercise, the insertion groove 404 can be matched with the weight lever 602 to connect the weight block 403 with the cable 6, further, the exercise intensity of the device can be conveniently adjusted, the rubber sleeve 406 can generate friction with the limiting rod 407, so that the situation that the counterweight block 403 collides too fast when the counterweight block is lifted vertically can be avoided, the counterweight block 403 can exert pulling force on the steel cable 6, so that the user exercises the two arms of the user, the counterweight box 401 can be fixedly connected with the base 203 through the mounting plate 405, so that the mounting stability of the counterweight box 401 is improved, the through groove 402 can provide a mounting and moving position for the counterweight rod 602, so that the counterweight rod 602 can drive the counterweight block 403 to move vertically, the limiting rod 407 can be clamped with the counterweight block 403, so that the counterweight block 403 can be lifted vertically in the counterweight box 401, the sleeve 506 can be in contact with the steel cable 6 and driven to rotate through the steel cable 6, so as to drive the sponge strip 505 to rotate, the sponge strip 505 can absorb lubricating oil, so as to lubricate the steel cable 6 when in contact with the steel cable 6, sealing plug 504 can seal the opening of lubricated case 501 bottom, and then conveniently carry out the replenishment of lubricating oil to lubricated case 501's inside, threading hole 502 can provide the position of installation and removal for cable wire 6, pull ring 601 can provide the position of gripping to the one end of cable wire 6, and then convenient to use person grips cable wire 6, connecting seat 603 can be with cable wire 6 and weight lever 602 fixed connection, the inside of inserting groove 404 can be inserted to weight lever 602, and then carry out the counter weight with cable wire 6 and balancing weight 403 fixed connection to cable wire 6, so that temper user's both arms.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims (9)

1. The utility model provides an arm strength trainer for physical training with adjustable antiskid structure, includes loose pulley assembly (1), support (2), counter weight subassembly (4) and lubricated subassembly (5), its characterized in that: a base (203) is arranged at the bottom of the support (2), a top plate (201) is arranged at the top of the support (2), a supporting seat (3) is arranged on one side of the top of the base (203), a counterweight component (4) is arranged on one side of the top of the base (203), a weight box (401) is arranged in the weight component (4), a pulley component (1) is arranged at the bottom of the top plate (201), a fixed plate (101) is arranged in the pulley component (1), two groups of mounting belts (104) are arranged on one side of the bottom of the fixed plate (101), an elastic air bag (105) is arranged at the bottom of the mounting belt (104), a steel cable (6) is arranged below the fixing plate (101), lubricating component (5) are installed to the bottom of fixed plate (101), install lubricated case (501) in lubricating component (5), the inside both sides of lubricated case (501) are installed and are changeed roller (503).
2. The adjustable exercise arm strength training device with anti-slip structure as claimed in claim 1, wherein: shaft brackets (102) are installed on two sides of the bottom of the fixing plate (101), rollers (103) are installed on one sides of the shaft brackets (102), and limiting rings (106) are installed at two ends of the elastic air bags (105).
3. The adjustable exercise arm strength training device with anti-slip structure as claimed in claim 1, wherein: fixed disk (204) is installed to the inboard of support (2), and storing groove (202) are installed to one side of fixed disk (204).
4. The adjustable exercise arm strength training device with anti-slip structure as claimed in claim 1, wherein: two sets of callus on the sole (205) are installed to the bottom both sides of base (203), and the rubber pad is installed to the bottom of callus on the sole (205).
5. The adjustable exercise arm strength training device with anti-slip structure as claimed in claim 1, wherein: cushion (303) are installed at the top of supporting seat (3), and bracing piece (302) are installed to one side of supporting seat (3), and cushion (301) are installed in the outside of bracing piece (302).
6. The adjustable exercise arm strength training device with anti-slip structure as claimed in claim 1, wherein: the two sides of the balancing weight (403) are provided with inserting grooves (404), and one side inside the balancing weight (403) is provided with a rubber sleeve (406).
7. The adjustable exercise arm strength training device with anti-slip structure as claimed in claim 1, wherein: the utility model discloses a counter weight, including weight box (401), mounting panel (405), one side of weight box (401) is equipped with logical groove (402), and inside one side of weight box (401) installs gag lever post (407), and the internally mounted of weight box (401) has balancing weight (403), and mounting panel (405) is installed to the bottom of weight box (401).
8. The adjustable exercise arm strength training device with anti-slip structure as claimed in claim 1, wherein: sleeve pipe (506) are installed in the outside of changeing roller (503), and sponge strip (505) are installed to the outside equidistance of sleeve pipe (506), and sealing plug (504) are installed to the bottom of lubricated case (501), and the both sides of lubricated case (501) are equipped with through wires hole (502).
9. The adjustable exercise arm strength training device with anti-slip structure as claimed in claim 1, wherein: a pull ring (601) is installed at one end of the steel cable (6), a connecting seat (603) is installed at one end, far away from the pull ring (601), of the steel cable (6), and a weight rod (602) is installed at the bottom of the connecting seat (603).
CN202111550415.2A 2021-12-17 2021-12-17 Adjustable physical exercise arm strength training device with anti-skidding structure Pending CN114177583A (en)

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CN112370741A (en) * 2020-10-26 2021-02-19 德清圣悦传媒科技有限公司 Adjustable arm power machine training device and training method
CN112426654A (en) * 2020-11-24 2021-03-02 许昌学院 Sports arm strength training structure and training device thereof
CN112642099A (en) * 2020-11-30 2021-04-13 郑州大学体育学院 Physical training device for track and field athletes
CN214410873U (en) * 2021-04-26 2021-10-15 湖州聚诚电子有限公司 Enameled wire surface lubricating oil coating device

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Application publication date: 20220315