CN113318379A - Flywheel for fitness equipment and production process thereof - Google Patents
Flywheel for fitness equipment and production process thereof Download PDFInfo
- Publication number
- CN113318379A CN113318379A CN202110381020.8A CN202110381020A CN113318379A CN 113318379 A CN113318379 A CN 113318379A CN 202110381020 A CN202110381020 A CN 202110381020A CN 113318379 A CN113318379 A CN 113318379A
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- hub body
- main hub
- flywheel
- fixed
- mounting
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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
- A63B21/22—Resisting devices with rotary bodies
- A63B21/225—Resisting devices with rotary bodies with flywheels
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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
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
- A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a flywheel for fitness equipment and a production process thereof, and relates to the technical field of fitness equipment. According to the invention, the rotating clamping rod is rotated at the top of the fixed cylinder through the anti-slip paste, then the alloy weight wheel is arranged on the front side and the back side of the main hub body through the fit relation between the fit lug and the fit groove, then the rotating clamping rod is rotated, and the alloy weight wheel is fixed through the fixing mechanism, so that the weight increasing function of the invention is completed, the problem that a user needs to buy flywheels with different weights for replacement when the weight of the flywheels needs to be changed is solved, and the purchase cost of the fitness equipment formed by the invention is reduced.
Description
Technical Field
The invention relates to a flywheel for fitness equipment, relates to the technical field of fitness equipment, and particularly relates to a flywheel for the fitness equipment and a production process thereof.
Background
With the continuous improvement of living standard of people and the increasing emphasis on the requirements of health, various body-building exercises are developed vigorously, and various body-building apparatuses are produced. The following problems exist in the prior art:
1. the existing flywheel for fitness equipment does not have the function of counterweight, and when a user needs to change the weight of the flywheel, the user needs to purchase flywheels with different weights for replacement, so that the user is prompted to cause excessive economic loss;
2. the existing flywheel for the fitness equipment does not have the function of emergency braking, and if the flywheel is impacted by external force, the flywheel cannot stop rotating rapidly, so that the safety of a user can be threatened, and improvement is needed.
Disclosure of Invention
The invention provides a flywheel for fitness equipment and a production process thereof, wherein one purpose is to have a counterweight function and solve the problem that a user needs to buy flywheels with different weights to replace when needing to change the weight of the flywheels; the other purpose is to solve the problem that the existing flywheel for the fitness equipment does not have the function of emergency braking, so that the safety of the invention is improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
in a first aspect, the invention provides a flywheel for fitness equipment, which comprises a main hub body, wherein a lightening hole is formed in the front face of the main hub body, a bearing mounting hole is formed in the center of the front face of the main hub body, a bearing seat is arranged in an inner cavity of the bearing mounting hole, a fitting convex block is fixedly welded on the front face of the main hub body, a counterweight mounting mechanism is arranged on the front face of the main hub body, and an emergency braking mechanism is arranged on the front face of the main hub body.
The counter weight installation mechanism comprises a fixed cylinder which is fixedly installed on the front of the main hub body, the front of the fixed cylinder is in threaded connection with a rotary clamping rod, and the top of the rotary clamping rod is fixedly connected with an anti-slip sticker.
The emergency braking mechanism comprises a fixed base, the fixed base is fixedly installed on the front face of the main hub body, a collision sensor is fixedly installed on the front face of the fixed base, and a braking box is fixedly installed on the front face of the collision sensor.
The technical scheme of the invention is further improved as follows: the front and the back of the main hub body are both movably connected with alloy balance weight wheels, and one surface of each alloy balance weight wheel, which is close to the main hub body, is provided with a conjunction groove.
The technical scheme of the invention is further improved as follows: the back fixed mounting of antiskid subsides has elastic component, elastic component's the back is provided with fixed establishment, fixed establishment includes the fixed plate, fixed plate fixed mounting is at elastic component's back.
The technical scheme of the invention is further improved as follows: the back fixed mounting of fixed plate has the non slipping spur, the equal fixed mounting in both sides of fixed plate has the arc.
The technical scheme of the invention is further improved as follows: the back of the inner cavity of the brake box is fixedly provided with a gas generator, and the front of the gas generator is fixedly connected with an air bag.
The technical scheme of the invention is further improved as follows: the front of the air bag is fixedly provided with a brake bar, and the outer wall of the brake bar is fixedly provided with a friction block.
The technical scheme of the invention is further improved as follows: the front of the brake box is provided with a through groove, and a limiting block positioned on the brake box is fixedly arranged in an inner cavity of the through groove.
In a second aspect, the present invention further provides a process for producing a flywheel for fitness equipment, comprising the following steps:
firstly, processing blank pieces of a main hub body and an alloy balance weight wheel, punching a lightening hole and a bearing mounting hole on the front surface of the main hub body by using a lathe, welding a fitting lug on the front surface of the main hub body by using a welding tool, and forming a fitting groove on the front surface of the alloy balance weight wheel by using the lathe;
step two, mounting the bearing seat, namely fixedly mounting the main hub body on a stamping device, and mounting the bearing seat in an inner cavity of the bearing mounting hole by using the stamping device;
thirdly, mounting the counterweight mounting mechanism and the emergency braking mechanism, and welding the counterweight mounting mechanism and the emergency braking mechanism on the front surface of the main hub body through a welding device;
and step four, maintaining the main hub body, polishing the surface of the main hub body by using polishing equipment, then coating anti-rust oil on the outer wall of the main hub body, and finally coating decorative paint on the surface of the main hub body.
Preferably: the first step further comprises the following steps:
a. after the fit bumps are welded, fixing the main hub body on a lathe, driving the main hub body to rotate through the lathe, polishing the outer ring of the main hub body by using a scribing knife, and then performing sanding treatment on the inner ring of the main hub body by using abrasive paper;
b. and after the opening of the fit groove is finished, polishing the surface of the alloy counterweight wheel, and then maintaining the surface of the alloy counterweight wheel.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a flywheel for fitness equipment and a production process thereof, wherein a rotary clamping rod, an anti-slip paste and a fixing mechanism are combined, when the weight of the flywheel needs to be increased, the rotary clamping rod is rotated at the top of a fixing cylinder through the anti-slip paste, then an alloy weight wheel is arranged on the front side and the back side of a main hub body through the fit relation of a fit lug and a fit groove, then the rotary clamping rod is rotated, and the alloy weight wheel is fixed through the fixing mechanism, so that the weight increasing function of the flywheel is completed, the problem that a user needs to buy flywheels with different weights for replacement when the weight of the flywheel needs to be changed is solved, and the purchase cost of the fitness equipment formed by the flywheel is reduced.
2. The invention provides a flywheel for fitness equipment and a production process thereof, wherein a collision sensor, a gas generator and an air bag are combined, if the flywheel is impacted by external force, the external force is detected by the collision sensor, then the gas generator is controlled to operate, the air bag is rapidly inflated to enable the air bag to drive a brake rod to extend out of an inner cavity of a brake box, and the brake rod is contacted with a cross rod on a fitness equipment body, so that the function of emergency braking of the flywheel is realized, the problem that the flywheel cannot be rapidly stopped rotating and possibly threatens the safety of a user is avoided, and the safety of the flywheel is improved.
3. The invention provides a flywheel for fitness equipment and a production process thereof, wherein the surface of the flywheel is polished by using polishing equipment, the condition that the flywheel is uneven is reduced, the aesthetic degree of the flywheel is increased, the problem that the flywheel rusts when contacting water is avoided by coating anti-rust oil on the outer wall of the flywheel, the service life of the flywheel is prolonged, and the surface of the flywheel is coated with decorative paint, so that the flywheel can better accord with the aesthetic feeling of consumers, and the joyfulness of the use of the flywheel by the consumers is increased.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the alloy weight wheel structure of the present invention;
FIG. 3 is a schematic structural view of a counterweight mounting mechanism according to the present invention;
FIG. 4 is a schematic structural view of a fixing mechanism of the present invention;
FIG. 5 is a schematic view of the emergency braking mechanism of the present invention;
fig. 6 is a schematic sectional structure view of the brake cartridge of the present invention.
In the figure: 1. a main hub body; 11. fitting the bump; 12. lightening holes; 13. a bearing mounting hole; 14. a bearing seat; 2. an alloy weight wheel; 21. a fitting groove;
3. a counterweight mounting mechanism; 31. a fixed cylinder; 32. rotating the clamping rod; 33. anti-slip paste; 34. an elastic member; 35. a fixing mechanism; 351. a fixing plate; 352. anti-skid blocks; 353. an arc-shaped plate;
4. an emergency braking mechanism; 41. a fixed base; 42. a collision sensor; 43. a brake box; 44. a gas generator; 45. an air bag; 46. a brake bar; 47. a friction block; 48. a through groove; 49. and a limiting block.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
In a first aspect, as shown in fig. 1 to 6, the present invention provides a flywheel for fitness equipment, including a main hub body 1, a lightening hole 12 is formed on the front surface of the main hub body 1, a bearing mounting hole 13 is formed in the center of the front surface of the main hub body 1, a bearing seat 14 is arranged in the inner cavity of the bearing mounting hole 13, a fitting projection 11 is fixedly welded on the front surface of the main hub body 1, a counterweight mounting mechanism 3 is arranged on the front surface of the main hub body 1, and an emergency braking mechanism 4 is arranged on the front surface of the main hub body 1.
The counterweight installation mechanism 3 comprises a fixed cylinder 31, the fixed cylinder 31 is fixedly installed on the front surface of the main hub body 1, the front surface of the fixed cylinder 31 is in threaded connection with a rotary clamping rod 32, and the top of the rotary clamping rod 32 is fixedly connected with an anti-slip sticker 33.
The emergency brake mechanism 4 includes a fixing base 41, the fixing base 41 is fixedly installed on the front surface of the main hub body 1, a collision sensor 42 is fixedly installed on the front surface of the fixing base 41, and a brake box 43 is fixedly installed on the front surface of the collision sensor 42.
In the embodiment, the weight of the whole rotary clamping rod 32 is reduced and the aesthetic property of the rotary clamping rod is improved by arranging the lightening holes 12, and the friction force when the rotary clamping rod 32 is rotated is improved by arranging the anti-slip paste 33, so that the rotary clamping rod is convenient to use.
Example 2
As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the alloy balance weight wheel 2 is movably connected to the front side and the back side of the main hub body 1, the engagement groove 21 is formed in one side, close to the main hub body 1, of the alloy balance weight wheel 2, the elastic piece 34 is fixedly mounted on the back side of the anti-slip sticker 33, the fixing mechanism 35 is arranged on the back side of the elastic piece 34 and comprises a fixing plate 351, the fixing plate 351 is fixedly mounted on the back side of the elastic piece 34, the anti-slip block 352 is fixedly mounted on the back side of the fixing plate 351, and the arc-shaped plates 353 are fixedly mounted on the two sides of the fixing plate 351.
In this embodiment, by combining the rotating clamping rod 32, the anti-slip paste 33 and the fixing mechanism 35, when the weight of the present invention needs to be increased, the rotating clamping rod 32 is rotated on the top of the fixing cylinder 31 through the anti-slip paste 33, then the alloy weight wheel 2 is installed on the front and back of the main hub body 1 through the engagement relationship between the engagement protrusion 11 and the engagement groove 21, and then the rotating clamping rod 32 is rotated, and the alloy weight wheel 2 is fixed through the fixing mechanism 35, so that the weight increasing function of the present invention is completed, the problem that a user needs to purchase flywheels with different weights for replacement when the weight of the flywheels needs to be changed is solved, and the purchase cost of the fitness equipment composed of the present invention is reduced.
Example 3
As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the gas generator 44 is fixedly mounted on the back surface of the inner cavity of the brake box 43, the airbag 45 is fixedly connected to the front surface of the gas generator 44, the brake bar 46 is fixedly mounted on the front surface of the airbag 45, the friction block 47 is fixedly mounted on the outer wall of the brake bar 46, the through groove 48 is formed in the front surface of the brake box 43, and the limit block 49 located on the brake box 43 is fixedly mounted in the inner cavity of the through groove 48.
In the embodiment, the combination of the collision sensor 42, the gas generator 44 and the air bag 45 is adopted, if the external force impacts the invention, the external force is detected by the collision sensor 42, then the gas generator 44 is controlled to operate, the air bag 45 is rapidly inflated, the air bag 45 drives the brake rod 46 to extend out of the inner cavity of the brake box 43, and the brake rod 46 is contacted with the cross bar on the body-building equipment body, so that the function of emergency braking of the invention is realized, the problem that the invention cannot rapidly stop rotating and possibly threatens the safety of a user is avoided, and the safety of the invention is improved.
In a second aspect, the present invention further provides a process for producing a flywheel for fitness equipment, comprising the following steps:
firstly, processing blank pieces of a main hub body 1 and an alloy balance weight wheel 2, punching a lightening hole 12 and a bearing mounting hole 13 on the front surface of the main hub body 1 by using a lathe, welding a fitting lug 11 on the front surface of the main hub body 1 by using a welding tool, and forming a fitting groove 21 on the front surface of the alloy balance weight wheel 2 by using the lathe;
step two, mounting the bearing seat 14, namely fixedly mounting the main hub body 1 on a stamping device, and mounting the bearing seat 14 in an inner cavity of the bearing mounting hole 13 by using the stamping device;
thirdly, mounting the counterweight mounting mechanism 3 and the emergency braking mechanism 4, and welding the counterweight mounting mechanism 3 and the emergency braking mechanism 4 on the front surface of the main hub body 1 through a welding device;
step four, the main hub body 1 is maintained, the surface of the main hub body 1 is polished by using polishing equipment, then anti-rust oil is smeared on the outer wall of the main hub body 1, finally decorative painting is smeared on the surface of the main hub body 1, the surface of the invention is polished by using the polishing equipment, the condition that the invention shows unevenness is reduced, the aesthetic degree of the invention is increased, the problem that the invention rusts due to contact with water is avoided by smearing the anti-rust oil on the outer wall of the invention, the service life of the invention is prolonged, and the invention can better accord with the aesthetic sense of consumers and increase the pleasure degree of the consumers using the invention by smearing the decorative painting on the surface of the invention.
Wherein the first step further comprises the following steps:
a. after the fit bumps 11 are welded, the main hub body 1 is fixed on a lathe, the main hub body 1 is driven to rotate by the lathe, an outer ring of the main hub body 1 is polished by a scriber, and then an inner ring of the main hub body 1 is polished by abrasive paper;
b. after the opening of the engagement groove 21 is completed, the surface of the alloy balance weight wheel 2 is polished, and then the surface of the alloy balance weight wheel 2 is subjected to maintenance treatment.
The working principle of the flywheel for fitness equipment and the production process thereof is described in detail below.
As shown in figures 1-6, before using the invention, the invention is installed on the rotating shaft of the body-building equipment body through the bearing seat 14, when the invention needs to be weighted, the rotating clamping rod 32 is rotated on the top of the fixed cylinder 31 through the anti-slip paste 33, then the alloy weight wheel 2 is installed on the front and back of the main hub body 1 through the matching relationship of the matching lug 11 and the matching groove 21, then the rotating clamping rod 32 is rotated, the alloy weight wheel 2 is fixed through the fixing mechanism 35, thus completing the weighting function of the invention, if external force impacts the invention, the external force is detected through the impact sensor 42, then the gas generator 44 is controlled to operate, the gas bag 45 is rapidly inflated, the gas bag 45 is promoted to drive the braking rod 46 to extend out from the inner cavity of the braking box 43, the braking rod 46 is contacted with the cross bar on the body-building equipment body, the function of emergency braking of the invention is realized.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (9)
1. The utility model provides a flywheel for fitness equipment, includes main wheel hub body (1), lightening hole (12) have been seted up in the front of main wheel hub body (1), bearing mounting hole (13) have been seted up in the positive center department of main wheel hub body (1), be provided with bearing frame (14) in the inner chamber of bearing mounting hole (13), its characterized in that: the front surface of the main hub body (1) is fixedly welded with a fitting lug (11), the front surface of the main hub body (1) is provided with a counterweight installation mechanism (3), and the front surface of the main hub body (1) is provided with an emergency braking mechanism (4);
the counterweight mounting mechanism (3) comprises a fixed cylinder (31), the fixed cylinder (31) is fixedly mounted on the front surface of the main hub body (1), the front surface of the fixed cylinder (31) is in threaded connection with a rotary clamping rod (32), and the top of the rotary clamping rod (32) is fixedly connected with an anti-slip sticker (33);
emergency braking mechanism (4) are including fixed baseplate (41), fixed baseplate (41) fixed mounting is in the front of main wheel hub body (1), the positive fixed mounting of fixed baseplate (41) has collision sensor (42), the positive fixed mounting of collision sensor (42) has braking box (43).
2. The flywheel for exercise equipment according to claim 1, wherein: the front and the back of the main hub body (1) are both movably connected with alloy balance weight wheels (2), and one surfaces, close to the main hub body (1), of the alloy balance weight wheels (2) are provided with engagement grooves (21).
3. The flywheel for exercise equipment according to claim 1, wherein: the back fixed mounting of antiskid subsides (33) has elastic component (34), the back of elastic component (34) is provided with fixed establishment (35), fixed establishment (35) are including fixed plate (351), fixed plate (351) fixed mounting is at the back of elastic component (34).
4. The flywheel for exercise equipment according to claim 3, wherein: the back fixed mounting of fixed plate (351) has non slipping spur (352), the equal fixed mounting in both sides of fixed plate (351) has arc (353).
5. The flywheel for exercise equipment according to claim 1, wherein: the back of the inner cavity of the brake box (43) is fixedly provided with a gas generator (44), and the front of the gas generator (44) is fixedly connected with an air bag (45).
6. The flywheel for exercise equipment according to claim 5, wherein: the front surface of the air bag (45) is fixedly provided with a brake rod (46), and the outer wall of the brake rod (46) is fixedly provided with a friction block (47).
7. The flywheel for exercise equipment according to claim 1, wherein: a through groove (48) is formed in the front face of the brake box (43), and a limiting block (49) located on the brake box (43) is fixedly mounted in an inner cavity of the through groove (48).
8. A production process of a flywheel for fitness equipment is characterized in that: the production process of the flywheel for the fitness equipment comprises the following steps:
firstly, machining blank pieces of a main hub body (1) and an alloy balance weight wheel (2), punching a lightening hole (12) and a bearing mounting hole (13) on the front surface of the main hub body (1) by using a lathe, welding a fitting lug (11) on the front surface of the main hub body (1) by using a welding tool, and forming a fitting groove (21) on the front surface of the alloy balance weight wheel (2) by using the lathe;
step two, mounting the bearing seat (14), namely fixedly mounting the main hub body (1) on a stamping device, and mounting the bearing seat (14) in an inner cavity of the bearing mounting hole (13) by using the stamping device;
thirdly, mounting the counterweight mounting mechanism (3) and the emergency braking mechanism (4), and welding the counterweight mounting mechanism (3) and the emergency braking mechanism (4) on the front surface of the main hub body (1) through a welding device;
and step four, maintaining the main hub body (1), polishing the surface of the main hub body (1) by using polishing equipment, then coating anti-rust oil on the outer wall of the main hub body (1), and finally coating decorative paint on the surface of the main hub body (1).
9. The process for producing a flywheel for fitness equipment according to claim 8, wherein: the first step further comprises the following steps:
a. after the fit bumps (11) are welded, the main hub body (1) is fixed on a lathe, the lathe drives the main hub body (1) to rotate, an outer ring of the main hub body (1) is polished by a scriber, and then an inner ring of the main hub body (1) is polished by abrasive paper;
b. after the opening of the conjunction groove (21) is finished, the surface of the alloy balance weight wheel (2) is polished, and then the surface of the alloy balance weight wheel (2) is maintained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110381020.8A CN113318379A (en) | 2021-04-09 | 2021-04-09 | Flywheel for fitness equipment and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110381020.8A CN113318379A (en) | 2021-04-09 | 2021-04-09 | Flywheel for fitness equipment and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113318379A true CN113318379A (en) | 2021-08-31 |
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ID=77414630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110381020.8A Pending CN113318379A (en) | 2021-04-09 | 2021-04-09 | Flywheel for fitness equipment and production process thereof |
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| Country | Link |
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| CN (1) | CN113318379A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM286689U (en) * | 2005-08-26 | 2006-02-01 | J K Long Entpr Co Ltd | Structure of magnetically controlled flywheel |
| CN202315094U (en) * | 2011-11-07 | 2012-07-11 | 重庆工商大学 | Rotary type chest developer with adjustable balance weight |
| CN107874985A (en) * | 2017-12-26 | 2018-04-06 | 宫青宝 | A kind of rehabilitation Walking equipment for preventing children's tumble injury |
| CN208756954U (en) * | 2018-12-25 | 2019-04-19 | 北京实宝来游乐设备有限公司 | Double dragon brake gears |
| CN208990131U (en) * | 2018-08-30 | 2019-06-18 | 柯赛 | A kind of free wheel for body-building cycle structure |
| CN211901452U (en) * | 2020-01-19 | 2020-11-10 | 河北金隅鼎鑫水泥有限公司 | Combined flywheel transmission device |
| CN212235788U (en) * | 2020-05-29 | 2020-12-29 | 华弘(杭州)印刷技术有限公司 | Dumbbell with conveniently replaced balance weight |
| CN112316362A (en) * | 2020-11-16 | 2021-02-05 | 聊城市耀科机械配件有限公司 | Flywheel for fitness equipment and production process thereof |
-
2021
- 2021-04-09 CN CN202110381020.8A patent/CN113318379A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM286689U (en) * | 2005-08-26 | 2006-02-01 | J K Long Entpr Co Ltd | Structure of magnetically controlled flywheel |
| CN202315094U (en) * | 2011-11-07 | 2012-07-11 | 重庆工商大学 | Rotary type chest developer with adjustable balance weight |
| CN107874985A (en) * | 2017-12-26 | 2018-04-06 | 宫青宝 | A kind of rehabilitation Walking equipment for preventing children's tumble injury |
| CN208990131U (en) * | 2018-08-30 | 2019-06-18 | 柯赛 | A kind of free wheel for body-building cycle structure |
| CN208756954U (en) * | 2018-12-25 | 2019-04-19 | 北京实宝来游乐设备有限公司 | Double dragon brake gears |
| CN211901452U (en) * | 2020-01-19 | 2020-11-10 | 河北金隅鼎鑫水泥有限公司 | Combined flywheel transmission device |
| CN212235788U (en) * | 2020-05-29 | 2020-12-29 | 华弘(杭州)印刷技术有限公司 | Dumbbell with conveniently replaced balance weight |
| CN112316362A (en) * | 2020-11-16 | 2021-02-05 | 聊城市耀科机械配件有限公司 | Flywheel for fitness equipment and production process thereof |
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Application publication date: 20210831 |
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