CN204502304U - A kind of Novel body-building chest expander - Google Patents
A kind of Novel body-building chest expander Download PDFInfo
- Publication number
- CN204502304U CN204502304U CN201520166392.9U CN201520166392U CN204502304U CN 204502304 U CN204502304 U CN 204502304U CN 201520166392 U CN201520166392 U CN 201520166392U CN 204502304 U CN204502304 U CN 204502304U
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- magnetic axis
- draw bar
- chest expander
- building
- rotating shaft
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Abstract
The utility model discloses a kind of Novel body-building chest expander, the two ends of cylinder are respectively arranged with the different in nature magnetic axis be made up of magnetic axis I and magnetic axis II, parallel draw bar I and parallel draw bar II is separately fixed at the outer wall of magnetic axis I and magnetic axis II, the casing wall of cylinder is provided with control air valve, the end of parallel draw bar I and parallel draw bar II is provided with rotating shaft, the middle part of rotating shaft is fixed with elastic rib, the end of elastic rib is provided with draw ring I, the inner metal sleeve of handle is fixedly connected with 360 ° of rotating shafts by screw thread, spring housing is arranged on inner metal sleeve, the end of metal-coating is provided with semicircle draw ring II.Attractive between opposite sex magnetic axis, parallel draw bar I and parallel draw bar II near time, physical demands is less, away from time, muscle needs the effect overcoming gravitation, and the air pressure of adjustable cylinder, and applicability is wide, and security is high; Spring housing adds the elasticity of chest expander; Elastic rib is conducive to the muscle of tempering shoulder and waist, adds the variation of body-building.
Description
Technical field
The invention belongs to body-building apparatus technical field, be specifically related to a kind of Novel body-building chest expander.
Background technology
Chest expander is the sports apparatus that people commonly use, existing chest expander, is all by making camber of spring to helical spring compression or stretching, storing the energy of distortion, utilize this performance of spring, be applied in body-building apparatus.People can utilize body-building apparatus to carry out body-building or fat-reducing after work.But the drawback of chest expander is that resistance is non-constant at present, and resistance is along with spring distortion in various degree, and resistance can be multiplied, and this just brings a lot of inconvenience to body builder, decreases the scope of application of body builder, decreases applicable crowd simultaneously.Present chest expander is spring shape, if arm strength just can not draw away not greatly, pulls open the too fast of rear pine and easily hurts oneself, also easily cause pulled muscle.The body building method kind that body-building is reached is few, and diversity is few, recreational reduction.And resistance is done in outdoor body-building equipment frictional damping, the bad adjustment of this type of body-building apparatus drag size, the slightly inadaptable sense of body-building personage for Different age group, different strength type, make body builder can only do shuttle mechanical movement, what cause a lot of body-building personage body building cannot be persevered perseveres.In addition, present chest expander only can temper arm muscles, and a kind of mode can only be adopted to be taken exercise, and have impact on can not train on simultaneously to other positions of health.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of Novel body-building chest expander.
The technical scheme that the present invention takes is:
A kind of Novel body-building chest expander, it is characterized in that, comprise cylinder, magnetic axis I, magnetic axis II, parallel draw bar I, parallel draw bar II, rotating shaft and handle, the two ends of described cylinder are respectively arranged with the different in nature magnetic axis be made up of magnetic axis I and magnetic axis II, parallel draw bar I is fixed on the outer wall of magnetic axis I, parallel draw bar II is fixed on the outer wall of magnetic axis II, casing wall between magnetic axis I and magnetic axis II is provided with control air valve, the end of described parallel draw bar I and parallel draw bar II is provided with rotating shaft, the two ends of rotating shaft are provided with disc barrier plate, the middle part of rotating shaft is fixed with elastic rib, the end of elastic rib is provided with draw ring I, described handle comprises inner metal sleeve and metal-coating, inner metal sleeve is fixedly connected with 360 ° of rotating shafts by screw thread, spring housing is arranged on inner metal sleeve, the end of metal-coating is provided with semicircle draw ring II.
Further, the parallel construction be all made up of two cylinder pull bars of described parallel draw bar I and parallel draw bar II.
Further, the size of cylinder vacuum degree regulates by controlling air valve.
Further, described magnetic axis I and magnetic axis II can be set to any one in cuboid, cylindrical, cone cylinder body shape.
Further, described rotating shaft whole installation is dumbbell shape.
Further, described draw ring I and semicircle draw ring II outer wall are provided with the anti-slip rubber cover of band anti-slip veins.
Further, described rotating shaft is Demountable, is set to screw thread installation form.
Further, one end of described spring housing is fixedly connected with 360 ° of rotating shafts, and the other end is connected with metal-coating.
Beneficial effect of the present invention is:
Novel body-building chest expander novel structure of the present invention, the two ends of cylinder are respectively arranged with the different in nature magnetic axis be made up of magnetic axis I and magnetic axis II, attractive between opposite sex magnetic axis, while maintenance inner pressure of air cylinder is certain, draw ring is pulled to carry out body-building, parallel draw bar I and parallel draw bar II is pushed in cylinder, when the two is close, the gravitation of magnetic axis makes physical demands less, when parallel draw bar I and parallel draw bar II is stretched to cylinder head portions, the two away from time, muscle needs the effect overcoming gravitation, be conducive to the exercise of arm strength muscle, excite the interest that body-building personage takes exercise simultaneously.
The casing wall of chest expander of the present invention between magnetic axis I and magnetic axis II is provided with control air valve, the size of cylinder vacuum degree regulates by controlling air valve, targeted design can be carried out to chest expander according to self-condition, no matter strength size can use this chest expander to perform physical exercise very easily, and can not pulled muscle be caused, there is constant resisting force, and adjustable resistance, security advantages of higher.
Handle of the present invention comprises inner metal sleeve and metal-coating, spring housing is arranged on inner metal sleeve, one end of spring housing is fixedly connected with 360 ° of rotating shafts, the other end is connected with metal-coating, when body-building, the Sports band of pull bar moves spring housing and moves along inner metal sleeve, adds the elasticity of chest expander, has widened the scope of body-building dynamics.
The present invention is provided with rotating shaft in the end of parallel draw bar I and parallel draw bar II, the two ends of rotating shaft are provided with disc barrier plate, and the middle part of rotating shaft is fixed with elastic rib, when body-building, chest expander is fixed on ground or the above position of head, the draw ring I established by pulling the end of elastic rib, is conducive to the muscle of tempering shoulder and waist, easy to use, when can make body builder's body-building, body-building route is not fixed, thus adds the variation of body-building, makes the recreational enhancing of body-building.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of rotating shaft in the present invention.
Fig. 3 is the structural representation of handle in the present invention.
Wherein, 1, handle; 2, rotating shaft; 3, parallel draw bar I; 4, magnetic axis I; 5, cylinder; 6, air valve is controlled; 7, magnetic axis II; 8, parallel draw bar II; 9, elastic rib; 10, disc barrier plate; 11, draw ring I; 12, inner metal sleeve; 13, spring housing; 14, metal-coating; 15,360 ° of rotating shafts; 16, semicircle draw ring II.
Detailed description of the invention
The present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of Novel body-building chest expander, it is characterized in that, comprise cylinder, magnetic axis I, magnetic axis II, parallel draw bar I, parallel draw bar II, rotating shaft and handle, the parallel construction be all made up of two cylinder pull bars of described parallel draw bar I and parallel draw bar II, described magnetic axis I and magnetic axis II can be set to cuboid, cylindrical, any one in cone cylinder body shape, the two ends of described cylinder are respectively arranged with the different in nature magnetic axis be made up of magnetic axis I and magnetic axis II, parallel draw bar I is fixed on the outer wall of magnetic axis I, parallel draw bar II is fixed on the outer wall of magnetic axis II, attractive between different in nature magnetic axis in use, while maintenance inner pressure of air cylinder is certain, draw ring is pulled to carry out body-building, parallel draw bar I and parallel draw bar II is pushed in cylinder, when the two is close, the gravitation of magnetic axis makes physical demands less, when parallel draw bar I and parallel draw bar II is stretched to cylinder head portions, the two away from time, muscle needs the effect overcoming gravitation, be conducive to the exercise of arm strength muscle, excite the interest that body-building personage takes exercise simultaneously.
Casing wall between magnetic axis I and magnetic axis II is provided with control air valve, the size of cylinder vacuum degree regulates by controlling air valve, the size of cylinder vacuum degree regulates by controlling air valve, targeted design can be carried out to chest expander according to self-condition, no matter strength size can use this chest expander to perform physical exercise very easily, and can not cause pulled muscle.
The end of described parallel draw bar I and parallel draw bar II is provided with rotating shaft (as shown in Figure 2), described rotating shaft is Demountable, be set to screw thread installation form, described rotating shaft whole installation is dumbbell shape, the two ends of rotating shaft are provided with disc barrier plate, the middle part of rotating shaft is fixed with elastic rib, the end of elastic rib is provided with draw ring I, when body-building, chest expander is fixed on ground or the above position of head, the draw ring I established by pulling the end of elastic rib, be conducive to the muscle of tempering shoulder and waist, easy to use, when can make body builder's body-building, body-building route is not fixed, thus add the variation of body-building, make the recreational enhancing of body-building.
Described handle comprises inner metal sleeve and metal-coating (as shown in Figure 3), inner metal sleeve is fixedly connected with 360 ° of rotating shafts by screw thread, spring housing is arranged on inner metal sleeve, one end of described spring housing is fixedly connected with 360 ° of rotating shafts, the other end is connected with metal-coating, the end of metal-coating is provided with semicircle draw ring II, described draw ring I and semicircle draw ring II outer wall are provided with the anti-slip rubber cover of band anti-slip veins, when body-building, the Sports band of pull bar moves spring housing and moves along inner metal sleeve, add the elasticity of chest expander, widen the scope of body-building dynamics.
The above is not limitation of the present invention; be noted that for those skilled in the art; under the prerequisite not departing from essential scope of the present invention; can also make some changes, remodeling, interpolation or replacement, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a Novel body-building chest expander, it is characterized in that, comprise cylinder, magnetic axis I, magnetic axis II, parallel draw bar I, parallel draw bar II, rotating shaft and handle, the two ends of described cylinder are respectively arranged with the different in nature magnetic axis be made up of magnetic axis I and magnetic axis II, parallel draw bar I is fixed on the outer wall of magnetic axis I, parallel draw bar II is fixed on the outer wall of magnetic axis II, casing wall between magnetic axis I and magnetic axis II is provided with control air valve, the end of described parallel draw bar I and parallel draw bar II is provided with rotating shaft, the two ends of rotating shaft are provided with disc barrier plate, the middle part of rotating shaft is fixed with elastic rib, the end of elastic rib is provided with draw ring I, described handle comprises inner metal sleeve and metal-coating, inner metal sleeve is fixedly connected with 360 ° of rotating shafts by screw thread, spring housing is arranged on inner metal sleeve, the end of metal-coating is provided with semicircle draw ring II.
2. a kind of Novel body-building chest expander according to claim 1, is characterized in that, the parallel construction be all made up of two cylinder pull bars of described parallel draw bar I and parallel draw bar II.
3. a kind of Novel body-building chest expander according to claim 1, is characterized in that, the size of cylinder vacuum degree regulates by controlling air valve.
4. a kind of Novel body-building chest expander according to claim 1, is characterized in that, described magnetic axis I and magnetic axis II can be set in cuboid, cylindrical, cone cylinder body shape any one.
5. a kind of Novel body-building chest expander according to claim 1, it is characterized in that, described rotating shaft whole installation is dumbbell shape.
6. a kind of Novel body-building chest expander according to claim 1, is characterized in that, described draw ring I and semicircle draw ring II outer wall are provided with the anti-slip rubber cover of band anti-slip veins.
7. a kind of Novel body-building chest expander according to claim 1, it is characterized in that, described rotating shaft is Demountable, is set to screw thread installation form.
8. a kind of Novel body-building chest expander according to claim 1, it is characterized in that, one end of described spring housing is fixedly connected with 360 ° of rotating shafts, and the other end is connected with metal-coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166392.9U CN204502304U (en) | 2015-03-24 | 2015-03-24 | A kind of Novel body-building chest expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166392.9U CN204502304U (en) | 2015-03-24 | 2015-03-24 | A kind of Novel body-building chest expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204502304U true CN204502304U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520166392.9U Expired - Fee Related CN204502304U (en) | 2015-03-24 | 2015-03-24 | A kind of Novel body-building chest expander |
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| CN (1) | CN204502304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994225A (en) * | 2017-02-07 | 2017-08-01 | 张子牛 | A kind of vacuum spring-tube type chest expander |
| CN113018778A (en) * | 2021-03-11 | 2021-06-25 | 驻马店职业技术学院 | Multifunctional and multi-fixed mode comprehensive training device |
-
2015
- 2015-03-24 CN CN201520166392.9U patent/CN204502304U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994225A (en) * | 2017-02-07 | 2017-08-01 | 张子牛 | A kind of vacuum spring-tube type chest expander |
| CN113018778A (en) * | 2021-03-11 | 2021-06-25 | 驻马店职业技术学院 | Multifunctional and multi-fixed mode comprehensive training device |
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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: 20150729 Termination date: 20180324 |