CN205182074U - Magnetic damping pulling force fitness equipment - Google Patents
Magnetic damping pulling force fitness equipment Download PDFInfo
- Publication number
- CN205182074U CN205182074U CN201520877550.1U CN201520877550U CN205182074U CN 205182074 U CN205182074 U CN 205182074U CN 201520877550 U CN201520877550 U CN 201520877550U CN 205182074 U CN205182074 U CN 205182074U
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- CN
- China
- Prior art keywords
- rope sheave
- damping
- ratchet
- swiveling wheel
- fixed
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Abstract
The utility model discloses a magnetic damping pulling force fitness equipment, including damping machanism, ratchet and rope sheave mechanism, rope sheave mechanism includes stay cord, rope sheave axle, rope sheave and is located the inside wind spring of rope sheave, wind spring one end is fixed in the rope sheave axle, and the other end is fixed in the rope sheave, ratchet is including fixing inner ratchet, pawl on the second portion, installing the pawl axle on the rope sheave and be used for the reset spring that the pawl resets. The utility model discloses the structure is comparatively simple to adopting eddy current damping to substitute traditional elastic damping, consequently can not taking place to lead to the fact the circumstances of damage to person because of elastic element splits, the while will produce damping effect when exerting when strength makes the second portion rotate, and damping effect stops when stopping to have an effect, also can not take place traditional elastic element and lead to the fact the personal circumstances about damaging because elastic restoring force is wayward.
Description
Technical field
The utility model relates to a kind of magnetic damping chest expander, belongs to exercise and fitness equipment technical field.
Background technology
Power type fitness equipment is primarily of operating mechanism and balance weight mechanism two large divisions composition, and operating mechanism has its corresponding special construction separately according to trained muscle position difference, and balance weight mechanism is mostly substantially identical in series of products.Use elasticity original paper as damping in numerous power type fitness equipment, the elasticity overcoming elasticity original paper by muscle power reaches the object of exercise, and the elasticity of flexible member also can be recovered original state thus can carry out repetition training after muscle strength release simultaneously.But adopt pure elasticity original paper as damper, require higher to the material of flexible member in long-time Reusability on the one hand, even if so also there will be elasticity abatement and hold flimsy situation, the bad control of elasticity of elasticity original paper on the other hand, once flexible member restores to the original state rapidly after unexpected releases its force, easily cause danger.Such as existing tension trainer material, usually uses and has flexible rope, arrange respectively and pull parts and pedal parts, live on pedal parts during use with pedal at the two ends of elastic threads, uses arm strength to pull and pulls parts, thus elastic threads is stretched.Adopt this tension trainer material to train, slip out of the hand, or pedal parts is not pedaled jail if pull parts, huge elastic force makes to pull parts and flies out fast, is easy to wound health.
Utility model content
Therefore, the purpose of this utility model is to overcome defect of the prior art, provides a kind of magnetic damping chest expander not using flexible member, only just can produce damping action power when applying strength to stay cord, and the response force of stay cord is less, danger can not be produced.
To achieve these goals, a kind of magnetic damping chest expander of the present utility model, comprises damping mechanism, ratchet mechanism and rope sheave mechanism; Described damping mechanism comprises the Part I and Part II that mutually fasten, and described Part I and described Part II mutually fasten rear inside and form annular chamber; Described Part I is stationary part, and described Part II is movable part, and described Part II can rotate relative to Part I; In described annular chamber, be provided with multiple installation shaft, each installation shaft is fixed with swiveling wheel and planetary gear; Described installation shaft is installed on described Part I; Described Part II is provided with driving gear, and multiple described planetary gear is around described driving gear and be meshed with described driving gear; The periphery wall of described swiveling wheel is provided with some magnet; Described Part I is metal material; Described rope sheave mechanism comprises stay cord, sheave shaft, rope sheave and is positioned at the wind spring of rope sheave inside, and sheave shaft is fixed in described wind spring one end, and the other end is fixed on rope sheave; Described ratchet mechanism comprises fixing handle ratchet wheel, ratchet on the second portion, is arranged on the pawl axis on rope sheave and the back-moving spring for described ratchet pawl reset.
Roof and the diapire of each described swiveling wheel are provided with some magnet.
Described planetary diameter is less than the diameter of described swiveling wheel.
On swiveling wheel described in, between adjacent magnet, negative electrode and positive electrode is arranged on the contrary.
Adopt technique scheme, tension training device of the present utility model, Part I is fixed, and pulls stay cord by muscle strength, thus rope sheave rotates forward under the effect of stay cord, and wind spring forms tension force simultaneously; Owing to passing through ratchet mechanism transmission between rope sheave and Part II, thus rope sheave rotation can drive Part II to rotate, thus driving gear drives each planetary gear High Rotation Speed, because planetary gear and swiveling wheel are fixed on the mounting shaft, therefore installation shaft and swiveling wheel high-speed rotation in the lump, magnet high-speed rotation on swiveling wheel forms fast-changing magnetic field, forms eddy current damping effect between the Part I of metal material and magnet, makes muscle produce train on; When unclamping stay cord, under the tension force effect of wind spring, rope sheave rotates backward to be regained stretching, owing to passing through ratchet mechanism transmission between rope sheave and Part II, therefore when rope sheave rotates backward, Part II can not rotate, and the withdrawal of stay cord is only realized by the tension force of wind spring, and the tension force of wind spring is less, therefore, it is possible to also larger restoring force can not be produced while being regained by stay cord, even if thus stay cord slip out of the hand and also can not hurt health.The utility model structure is comparatively simple, and adopt eddy current damping to substitute traditional elastic damping, therefore can not occur to cause the situation of damage to person because flexible member ruptures, simultaneously when applying will produce damping effect when strength makes Part II rotate, when stopping having an effect, damping effect stops, also can not occurring traditional flexible member due to elastic-restoring force wayward and cause the situation of personal injury.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of damping mechanism in the utility model
Fig. 3 is the cross-sectional schematic of damping mechanism in the utility model.
Detailed description of the invention
Below by way of the drawings and specific embodiments, the utility model is described in further detail.
As shown in the figure, the present embodiment provides a kind of tension training device, comprises damping mechanism 9, ratchet mechanism 8 and rope sheave mechanism 7.
Described damping mechanism 9 comprises the Part I 91 and Part II 92 that mutually fasten, and described Part I 91 is inner after fastening with described Part II 92 is mutual forms annular chamber 93; Described Part I 91 is stationary part, and described Part II 92 is movable part, and described Part II 92 can rotate relative to Part I 91; In described annular chamber 93, be provided with multiple installation shaft 94, each installation shaft 94 is fixed with swiveling wheel 95 and planetary gear 96; Described installation shaft 94 is installed on described Part I 91; Described Part II 92 is provided with driving gear 97, and multiple described planetary gear 96 is around described driving gear 97 and be meshed with described driving gear 97; The periphery wall of described swiveling wheel 95 is provided with some magnet 98; Described Part I 91 is metal material.
Described rope sheave mechanism 7 comprises stay cord 71, sheave shaft 72, rope sheave 73 and is positioned at the wind spring 74 of rope sheave 73 inside, and sheave shaft 72 is fixed in described wind spring 74 one end, and the other end is fixed on rope sheave 73.
Described ratchet mechanism 8 comprises the handle ratchet wheel 81 be fixed on Part II 92, ratchet 82, is arranged on the pawl axis 83 on rope sheave 73 and the back-moving spring 84 for described ratchet 82 reset.
The roof of each described swiveling wheel 95 and diapire are arranged also some magnet.
The diameter of described planetary gear 96 is less than the diameter of described swiveling wheel 95, and the diameter of planetary gear 96 is less, and its rotational velocity is faster; The diameter of swiveling wheel 95 is larger, and when planetary gear 96 rotates a circle, swiveling wheel 95 also rotates a circle, thus the path length that on swiveling wheel lateral wall, any point moves is comparatively large, can produce larger changes of magnetic field, thus eddy current damping is effective.
On swiveling wheel described in, between adjacent magnet, negative electrode and positive electrode is arranged on the contrary, be equally also to form larger changes of magnetic field in rotation, thus eddy current damping is effective.
Adopt technique scheme, tension training device of the present utility model, Part I is fixed, and pulls stay cord by muscle strength, thus rope sheave rotates forward under the effect of stay cord, and wind spring forms tension force simultaneously; Owing to passing through ratchet mechanism transmission between rope sheave and Part II, thus rope sheave rotation can drive Part II to rotate, thus driving gear drives each planetary gear High Rotation Speed, because planetary gear and swiveling wheel are fixed on the mounting shaft, therefore installation shaft and swiveling wheel high-speed rotation in the lump, magnet high-speed rotation on swiveling wheel forms fast-changing magnetic field, forms eddy current damping effect between the Part I of metal material and magnet, makes muscle produce train on; When unclamping stay cord, under the tension force effect of wind spring, rope sheave rotates backward to be regained stretching, owing to passing through ratchet mechanism transmission between rope sheave and Part II, therefore when rope sheave rotates backward, Part II can not rotate, and the withdrawal of stay cord is only realized by the tension force of wind spring, and the tension force of wind spring is less, therefore, it is possible to also larger restoring force can not be produced while being regained by stay cord, even if thus stay cord slip out of the hand and also can not hurt health.
The utility model structure is comparatively simple, and adopt eddy current damping to substitute traditional elastic damping, therefore can not occur to cause the situation of damage to person because flexible member ruptures, simultaneously when applying will produce damping effect when strength makes Part II rotate, when stopping having an effect, damping effect stops, also can not occurring traditional flexible member due to elastic-restoring force wayward and cause the situation of personal injury.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (4)
1. a magnetic damping chest expander, is characterized in that: comprise damping mechanism, ratchet mechanism and rope sheave mechanism; Described damping mechanism comprises the Part I and Part II that mutually fasten, and described Part I and described Part II mutually fasten rear inside and form annular chamber; Described Part I is stationary part, and described Part II is movable part, and described Part II can rotate relative to Part I; In described annular chamber, be provided with multiple installation shaft, each installation shaft is fixed with swiveling wheel and planetary gear; Described installation shaft is installed on described Part I; Described Part II is provided with driving gear, and multiple described planetary gear is around described driving gear and be meshed with described driving gear; The periphery wall of described swiveling wheel is provided with some magnet; Described Part I is metal material; Described rope sheave mechanism comprises stay cord, sheave shaft, rope sheave and is positioned at the wind spring of rope sheave inside, and sheave shaft is fixed in described wind spring one end, and the other end is fixed on rope sheave; Described ratchet mechanism comprises fixing handle ratchet wheel, ratchet on the second portion, is arranged on the pawl axis on rope sheave and the back-moving spring for described ratchet pawl reset.
2. magnetic damping chest expander according to claim 1, is characterized in that: roof and the diapire of each described swiveling wheel are provided with some magnet.
3. magnetic damping chest expander according to claim 2, is characterized in that: described planetary diameter is less than the diameter of described swiveling wheel.
4. magnetic damping chest expander according to claim 3, it is characterized in that: on swiveling wheel described in, between adjacent magnet, negative electrode and positive electrode is arranged on the contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877550.1U CN205182074U (en) | 2015-11-06 | 2015-11-06 | Magnetic damping pulling force fitness equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877550.1U CN205182074U (en) | 2015-11-06 | 2015-11-06 | Magnetic damping pulling force fitness equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205182074U true CN205182074U (en) | 2016-04-27 |
Family
ID=55775114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520877550.1U Expired - Fee Related CN205182074U (en) | 2015-11-06 | 2015-11-06 | Magnetic damping pulling force fitness equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205182074U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267769A (en) * | 2016-07-29 | 2017-01-04 | 深圳市好家庭体育用品连锁经营有限公司 | A kind of swimming training machine and damping stretcher thereof |
| CN108105303A (en) * | 2017-12-19 | 2018-06-01 | 同济大学 | Drag-line rotates eddy current damper |
| CN111960308A (en) * | 2020-08-25 | 2020-11-20 | 广州视源电子科技股份有限公司 | Rope control method and device, force instrument equipment and storage medium |
| CN115531798A (en) * | 2022-09-29 | 2022-12-30 | 湖州积微电子科技有限公司 | Tension control device for comprehensive training instrument |
-
2015
- 2015-11-06 CN CN201520877550.1U patent/CN205182074U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267769A (en) * | 2016-07-29 | 2017-01-04 | 深圳市好家庭体育用品连锁经营有限公司 | A kind of swimming training machine and damping stretcher thereof |
| CN108105303A (en) * | 2017-12-19 | 2018-06-01 | 同济大学 | Drag-line rotates eddy current damper |
| CN108105303B (en) * | 2017-12-19 | 2024-02-02 | 同济大学 | Stay rope type rotary eddy current damper |
| CN111960308A (en) * | 2020-08-25 | 2020-11-20 | 广州视源电子科技股份有限公司 | Rope control method and device, force instrument equipment and storage medium |
| CN115531798A (en) * | 2022-09-29 | 2022-12-30 | 湖州积微电子科技有限公司 | Tension control device for comprehensive training instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20161106 |