WO2022099462A1 - Haltère empêchant des disques d'haltère de tomber - Google Patents

Haltère empêchant des disques d'haltère de tomber Download PDF

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Publication number
WO2022099462A1
WO2022099462A1 PCT/CN2020/127819 CN2020127819W WO2022099462A1 WO 2022099462 A1 WO2022099462 A1 WO 2022099462A1 CN 2020127819 W CN2020127819 W CN 2020127819W WO 2022099462 A1 WO2022099462 A1 WO 2022099462A1
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WO
WIPO (PCT)
Prior art keywords
dumbbell
limiting
fixing
falling
sheet
Prior art date
Application number
PCT/CN2020/127819
Other languages
English (en)
Chinese (zh)
Inventor
张永
Original Assignee
宿迁楚霸体育器械有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宿迁楚霸体育器械有限公司 filed Critical 宿迁楚霸体育器械有限公司
Priority to PCT/CN2020/127819 priority Critical patent/WO2022099462A1/fr
Publication of WO2022099462A1 publication Critical patent/WO2022099462A1/fr

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Classifications

    • 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
    • A63B21/06—User-manipulated weights
    • A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle

Definitions

  • the utility model relates to the field of dumbbells, in particular to a dumbbell for preventing dumbbell pieces from falling off.
  • Dumbbell is a simple equipment used to enhance muscle strength training. Its main material is cast iron, and some are covered with a layer of rubber.
  • Dumbbells can train a single muscle; if you increase the weight, you need the coordination of multiple muscles, and can also be used as a muscle compound exercise training.
  • auxiliary equipment for weightlifting and fitness exercises with fixed weights and adjustable weights; fixed weight dumbbells: cast iron with iron bars in the middle and solid balls at both ends; adjustable dumbbells: similar The reduced barbell is covered with circular iron plates with different weights at both ends of the short iron bar, which can increase or decrease the weight during weightlifting or fitness exercises; regular dumbbell exercises can enhance the muscle strength of various parts of the body.
  • dumbbells there are also wooden or plastic dumbbells; during practice, use the percussion sound of wooden dumbbells or plastic dumbbells to develop the coordination and sense of rhythm of the practitioner, and wooden dumbbells can also be woven into sets gymnastics performance.
  • the prior art has the following deficiencies: the existing dumbbells do not have a good limiting device when the dumbbells are in use, and when the dumbbells are used, the dumbbells collide with each other to generate an interaction force, increasing the drop-off probability of the dumbbells causes the dumbbells to fall off easily. , endangering personal safety.
  • the utility model provides a dumbbell that prevents the dumbbell plate from falling off.
  • Limiting bumps are arranged on the outer walls of both ends of the dumbbell rod, and limit grooves are arranged around the inner wall of the dumbbell piece. Connect the movable limit block, the limit bump is inserted into the limit slot, and the movable limit block is inserted into the limit slot, so as to solve the problem that the dumbbell pieces are easy to fall off and endanger personal safety.
  • a dumbbell for preventing the falling off of the dumbbell plate comprising a dumbbell rod, the dumbbell rods are sleeved with the dumbbell plates at both ends, and the two ends of the dumbbell rod are threadedly connected with a fixing block, the Both ends of the dumbbell bar are provided with limit devices;
  • the limit device includes a limit bump, a limit slot, a movable limit block and a spring, the limit bump is arranged on the outer walls of both ends of the dumbbell rod, and the limit slot is arranged on the inner wall of the dumbbell plate All around, the limit protrusion is clamped to the spring, the upper end of the spring is connected to the movable limit block, the limit protrusion is inserted into the limit slot, and the movable limit block is inserted connected inside the limit groove.
  • an anti-skid layer is provided in the middle of the outer wall of the dumbbell bar, two ends of the anti-skid layer are provided with bumps, and both ends of the dumbbell bar are provided with external threads.
  • rubber pads are bonded around the outside of the protruding block, and the external thread is threadedly connected to the inner wall of the fixing block.
  • an isolation layer is provided around the outer surface of the dumbbell sheet, and an isolation groove is provided around the inner surface of the dumbbell sheet.
  • the isolation layer is inserted inside the isolation groove.
  • the limiting device further comprises a fixing projection, an alignment groove and a fixing slot
  • the fixing projection is arranged at both ends of the dumbbell bar
  • the alignment slot is arranged at both ends of the inner wall of the dumbbell plate
  • the fixing grooves are arranged between the alignment grooves, and the fixing protrusions are clamped inside the fixing grooves.
  • the spring is clamped inside the limit protrusion, the upper end of the spring is connected with the movable limit block, and the limit protrusion is inserted into the limit groove when in use, so that the movable limit block can be extended and retracted under the action of the spring.
  • the movable limit block is inserted into the limit slot to play the role of limit and fixation, so as to increase the fixation of the dumbbell piece and prevent the dumbbell piece from falling off;
  • the fixing bump In use, by inserting the fixing bump into the slot, the fixing bump is inserted into the fixing slot, and then by rotating the dumbbell sheet, the fixing slot and the fixing bump are dislocated, so as to limit and fix the position. Under the action of the fixing block, the dumbbell sheet is squeezed, so as to increase the limit and fixity of the fixing groove, and achieve the effect of the dumbbell sheet falling off.
  • Fig. 1 is the overall structure schematic diagram of embodiment 1 provided by the utility model
  • FIG. 2 is a schematic cross-sectional structural diagram of the limiting device according to Embodiment 1 provided by the present invention.
  • FIG. 3 is a schematic cross-sectional structural diagram of the limiting device according to Embodiment 2 provided by the present invention.
  • FIG. 4 is a schematic diagram of a front cross-sectional structure of the limiting device according to Embodiment 2 provided by the present invention.
  • dumbbell bar 1 anti-skid layer 11, bump 12, rubber pad 121, external thread 13, dumbbell sheet 2, isolation layer 21, isolation groove 22, fixing block 3, limit device 4, limit bump 41, Limiting slot 411 , movable limiting block 412 , spring 413 , fixing bump 42 , alignment slot 421 , fixing slot 422 .
  • Embodiment 1 referring to Figures 1 to 2, the present utility model provides a dumbbell for preventing dumbbell pieces from falling off, including a dumbbell bar 1, a dumbbell piece 2, a fixing block 3 and a limiting device 4;
  • both ends of the dumbbell bar 1 are sleeved with dumbbell sheets 2, and the dumbbell bar 1 includes an anti-skid layer 11, a bump 12, a rubber pad 121 and an external thread 13.
  • an anti-skid layer 11 is provided in the middle of the outer wall of the dumbbell bar 1. Both ends of 11 are provided with bumps 12, the outer sides of the bumps 12 are bonded with rubber pads 121, both ends of the dumbbell bar 1 are provided with external threads 13, and the rubber pads 121 are set to cis-butadiene rubber, which is butadiene polymerized by solution.
  • the obtained butadiene rubber has particularly excellent cold resistance, wear resistance and elasticity, and also has good aging resistance.
  • a non-slip layer 11 is arranged in the middle of the outer wall of the dumbbell bar 1, and the anti-slip layer 11 is arranged as a rough convex surface.
  • the two ends of the anti-slip layer 11 are provided with bumps 12, and then the dumbbell plates 2 are sleeved on both ends of the dumbbell bar 1.
  • the bump 12 plays a limiting role to prevent the dumbbell sheet 2 from slipping to the middle and increases the safety of use. It can reduce the force of the dumbbell plate 2 on the bump, reduce the collision force, and prevent the dumbbell plate 2 from sliding inward due to excessive collision, thereby achieving the effect of increasing safety.
  • dumbbell sheet 2 is sleeved on both ends of the outer wall of dumbbell bar 1, dumbbell sheet 2 includes isolation layer 21 and isolation groove 22, specifically, dumbbell sheet 2 outer surface is provided with isolation layer 21 around, and dumbbell sheet 2 inner surface is provided around There is an isolation groove 22, and the isolation layer 21 is set to cis-butadiene rubber, which is obtained by solution polymerization of butadiene, and cis-butadiene rubber has particularly excellent cold resistance, wear resistance and elasticity, and also has good resistance.
  • the aging performance is provided with an isolation layer 21 around the outer surface of the dumbbell sheet 2, and an isolation groove 22 is provided around the inner surface of the dumbbell sheet 2, and then inserted into the isolation groove 22 through the isolation layer 21.
  • the dumbbell sheets 2 are mutually Collision, under the action of the isolation layer 21 and the isolation groove 22, reduces the mutual collision strength of the dumbbell pieces 2, achieves the effect of preventing the dumbbell pieces 2 from sliding off due to excessive collision, and reduces the noise caused by the collision of the dumbbell pieces 2. Effect;
  • the limiting device 4 is arranged on the outer walls of both ends of the dumbbell bar 1 , and the limiting device 4 includes a limiting protrusion 41 , a limiting groove 411 , a movable limiting block 412 and a spring 413 .
  • the limiting protrusion 41 is provided with On the outer walls of the two ends of the dumbbell bar 1, the limit grooves 411 are arranged around the inner wall of the dumbbell plate 2, the limit bumps 41 are internally clamped to the springs 413, and the upper ends of the springs 413 are connected to the movable limit blocks 412, which are arranged on the dumbbells through the limit bumps 41.
  • the outer walls of the two ends of the rod 1, the limit grooves 411 are arranged around the inner wall of the dumbbell piece 2, the spring 413 is clamped inside the limit bump 41, and the upper end of the spring 413 is connected to the movable limit block 412, which is inserted through the limit bump 41 during use.
  • the fixation of sheet 2 prevents the dumbbell sheet from falling off.
  • the use process of the utility model is as follows: a person skilled in the art is provided with an anti-skid layer 11 in the middle of the outer wall of the dumbbell bar 1, and the anti-skid layer 11 is set as a rough convex surface, which plays an anti-slip effect, increases friction, and prevents the use of dumbbells.
  • the two ends of the anti-skid layer 11 are provided with bumps 12, and then the dumbbell plate 2 is sleeved on the two ends of the dumbbell bar 1. Under the action of the bumps 12, it plays a limiting role to prevent The dumbbell sheet 2 slides to the middle, which increases the effect of safety in use. Then, the rubber pads 121 are bonded around the outside of the bump 12.
  • the two ends of the dumbbell bar 1 are provided with external threads 13.
  • the inner wall of the fixing block 3 is threadedly connected by the external thread 13, so that the fixing block 3 clamps the dumbbell piece 2, and plays the role of fixing the dumbbell piece 2, so as to achieve the effect of preventing the dumbbell piece 2 from falling off.
  • an isolation layer 21 is provided around the inner surface of the dumbbell sheet 2, and then inserted into the isolation groove 22 through the isolation layer 21.
  • the dumbbell sheets 2 collide with each other, and the isolation layer 21 and the isolation groove 22 Under the effect of the impact of the dumbbell pieces 2, it can reduce the mutual collision strength of the dumbbell pieces 2, achieve the effect of preventing the dumbbell pieces 2 from sliding off due to excessive collision, and achieve the effect of reducing the sound of the dumbbell pieces 2 due to collision.
  • the outer walls of the two ends of the dumbbell bar 1, the limit grooves 411 are arranged around the inner wall of the dumbbell plate 2, the spring 413 is clamped inside the limit bump 41, and the upper end of the spring 413 is connected to the movable limit block 412, which passes through the limit bump 41 when in use. It is inserted into the limit slot 411, so that the movable limit block 412 can expand and contract under the action of the spring 413, so that the movable limit block 412 is inserted into the limit slot 411, which plays the role of limit and fixation, so as to increase the The fixation of the dumbbell plate 2 prevents the dumbbell plate from falling off.
  • the present invention provides a dumbbell that prevents the dumbbell sheet from falling off, including a limiting device 4;
  • the limiting device 4 is arranged on the outer walls of both ends of the dumbbell bar 1 , and the limiting device 4 further includes a fixing bump 42 , an alignment slot 421 and a fixing slot 422 , specifically, the fixing bump 42 is arranged at both ends of the dumbbell bar 1 .
  • the alignment grooves 421 are arranged at both ends of the inner wall of the dumbbell plate 2, and the fixing grooves 422 are arranged between the alignment grooves 421. Since the fixing bumps 42 are arranged at both ends of the dumbbell bar 1, the alignment grooves 421 are arranged on the two inner walls of the dumbbell plate 2.
  • a fixed groove 422 is provided between the alignment grooves 421.
  • the fixed protrusion 42 is inserted into the fixed groove 422, and then by rotating the dumbbell plate 2,
  • the fixed groove 422 and the fixed protrusion 42 are dislocated to play the role of limiting and fixing, and then under the action of the fixing block 3, the dumbbell plate 2 is squeezed, thereby increasing the limit and the fixedness of the fixing groove 422, so as to achieve The effect of the dumbbell pieces falling off;
  • the use process of the utility model is as follows: a person skilled in the art is provided with an anti-skid layer 11 in the middle of the outer wall of the dumbbell bar 1, and the anti-skid layer 11 is set as a rough convex surface, which plays an anti-slip effect, increases friction, and prevents the use of dumbbells.
  • the two ends of the anti-skid layer 11 are provided with bumps 12, and then the dumbbell plate 2 is sleeved on the two ends of the dumbbell bar 1. Under the action of the bumps 12, it plays a limiting role to prevent The dumbbell sheet 2 slides to the middle, which increases the effect of safety in use. Then, the rubber pads 121 are bonded around the outside of the bump 12.
  • the two ends of the dumbbell bar 1 are provided with external threads 13.
  • the inner wall of the fixing block 3 is threadedly connected by the external thread 13, so that the fixing block 3 clamps the dumbbell piece 2, and plays the role of fixing the dumbbell piece 2, so as to achieve the effect of preventing the dumbbell piece 2 from falling off.
  • an isolation groove 22 is provided around the inner surface of the dumbbell sheet 2, and then inserted into the isolation groove 22 through the isolation layer 21.
  • the dumbbell sheets 2 collide with each other, and the isolation layer 21 and the isolation groove 22 Under the effect of the impact of the dumbbell pieces 2, it can reduce the mutual collision strength of the dumbbell pieces 2, achieve the effect of preventing the dumbbell pieces 2 from sliding off due to excessive collision, and achieve the effect of reducing the sound of the dumbbell pieces 2 due to collision.
  • the alignment grooves 421 are arranged on both ends of the inner wall of the dumbbell sheet 2, and a fixing groove 422 is arranged between the alignment grooves 421.

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

Abstract

L'invention concerne un haltère qui empêche des disques d'haltère de tomber, comprenant une barre d'haltère (1). Les deux extrémités de la barre d'haltère (1) sont emmanchées et reliées à des disques d'haltère (2). Les deux extrémités de la barre d'haltère (1) sont reliées par filetage à des blocs de fixation (3). Les deux extrémités de la barre d'haltère (1) comportent des dispositifs de limitation (4). Chaque dispositif de limitation (4) comprend des saillies de limitation (41), des fentes de limitation (411), des blocs de limitation mobiles (412) et des ressorts (413). Les saillies de limitation (41) sont disposées aux parois externes des deux extrémités de la barre d'haltère (1). Les fentes de limitation (411) sont disposées à la périphérie de la paroi interne de chaque disque d'haltère (2). Chaque ressort (413) est inséré à l'intérieur d'une saillie de limitation (41). Chaque bloc de limitation mobile (412) est relié à la partie supérieure d'un ressort (413). Chaque saillie de limitation (41) est insérée et reliée à l'intérieur d'une fente de limitation (411). Chaque bloc de limitation mobile (412) est inséré et relié à l'intérieur d'une fente de limitation (411). Une couche antidérapante (11) est disposée au milieu de la paroi externe de la barre d'haltère (1). Des saillies (12) sont disposées aux deux extrémités de la couche antidérapante (11). Dans la présente invention, les capacités de limitation et de fixation des fentes de fixation (422) sont améliorées, de façon à obtenir l'effet consistant à empêcher les disques d'haltère de tomber.
PCT/CN2020/127819 2020-11-10 2020-11-10 Haltère empêchant des disques d'haltère de tomber WO2022099462A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/127819 WO2022099462A1 (fr) 2020-11-10 2020-11-10 Haltère empêchant des disques d'haltère de tomber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/127819 WO2022099462A1 (fr) 2020-11-10 2020-11-10 Haltère empêchant des disques d'haltère de tomber

Publications (1)

Publication Number Publication Date
WO2022099462A1 true WO2022099462A1 (fr) 2022-05-19

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PCT/CN2020/127819 WO2022099462A1 (fr) 2020-11-10 2020-11-10 Haltère empêchant des disques d'haltère de tomber

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115069983A (zh) * 2022-07-06 2022-09-20 马鞍山鑫诺新金属材料有限公司 一种哑铃片铸造用模具

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2920314Y (zh) * 2006-05-10 2007-07-11 曹国方 一种有防松脱装置的固定式哑铃
CN201855525U (zh) * 2010-11-15 2011-06-08 王立华 可转式防松脱组合哑铃
CN110327584A (zh) * 2019-08-20 2019-10-15 黄利敏 哑铃
US20200129802A1 (en) * 2014-06-13 2020-04-30 Nautilus, Inc. Adjustable dumbbell system
CN210904809U (zh) * 2019-10-26 2020-07-03 王敏娜 一种便于组装的哑铃及其限位装置和调节装置
CN210992777U (zh) * 2019-10-28 2020-07-14 宿迁楚霸体育器械有限公司 一种新型连接紧密组合哑铃
CN211245342U (zh) * 2019-09-20 2020-08-14 李昂轩 一种体育锻炼用杠铃杆保护装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2920314Y (zh) * 2006-05-10 2007-07-11 曹国方 一种有防松脱装置的固定式哑铃
CN201855525U (zh) * 2010-11-15 2011-06-08 王立华 可转式防松脱组合哑铃
US20200129802A1 (en) * 2014-06-13 2020-04-30 Nautilus, Inc. Adjustable dumbbell system
CN110327584A (zh) * 2019-08-20 2019-10-15 黄利敏 哑铃
CN211245342U (zh) * 2019-09-20 2020-08-14 李昂轩 一种体育锻炼用杠铃杆保护装置
CN210904809U (zh) * 2019-10-26 2020-07-03 王敏娜 一种便于组装的哑铃及其限位装置和调节装置
CN210992777U (zh) * 2019-10-28 2020-07-14 宿迁楚霸体育器械有限公司 一种新型连接紧密组合哑铃

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115069983A (zh) * 2022-07-06 2022-09-20 马鞍山鑫诺新金属材料有限公司 一种哑铃片铸造用模具

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