CN202015445U - Portable chest expander - Google Patents
Portable chest expander Download PDFInfo
- Publication number
- CN202015445U CN202015445U CN2011200607410U CN201120060741U CN202015445U CN 202015445 U CN202015445 U CN 202015445U CN 2011200607410 U CN2011200607410 U CN 2011200607410U CN 201120060741 U CN201120060741 U CN 201120060741U CN 202015445 U CN202015445 U CN 202015445U
- Authority
- CN
- China
- Prior art keywords
- housing
- portable chest
- scroll spring
- plane scroll
- chest expander
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Rehabilitation Tools (AREA)
Abstract
The utility model discloses a portable chest expander, comprising a hollow casing, a pivot, a pulling band and at least one flat spiral spring, wherein the pivot is arranged in the casing, the pulling band is wound on the pivot, one end of the pulling band protrudes from the casing, and the flat spiral spring is sleeved on the pivot. The portable chest expander has the advantages of small volume, moderate pulling force and convenient use, can be used for whole body exercise, and can be used for all people regardless of age and sex.
Description
Technical field
The utility model relates to a kind of health and fitness facilities, relates in particular to a kind of portable chest expander.
Background technology
The health and fitness facilities that uses in people's daily life, as the mountain-climbing device, exercycle, treadmill etc., according to tempering the purpose difference, structure is different.But these apparatus occupation space are big, generally use in the gymnasium, and are unsuitable for using in average family.
Existing small-sized simple and easy chest expander, general pulling force is all bigger than normal, and safety in utilization is also relatively poor, and exercise goal is single, especially is not suitable for women, old man and child and uses.
The utility model content
Because the above-mentioned defective of prior art, technical problem to be solved in the utility model provides a kind of portable chest expander, and volume is little, and pulling force is moderate, and is easy to use, can carry out whole body exercise, and men and women, old and young is all suitable.
For achieving the above object, the utility model provides a kind of portable chest expander, comprise a hollow housing, a pivot, a pull strap and at least one plane scroll spring, described pivot is located in the described housing, described pull strap is wound on the described pivot and an end of described pull strap stretches out in outside the described housing, described plane scroll spring is sheathed on the described pivot, the interior hook of described plane scroll spring and described pivotally connected, the outer hook of described plane scroll spring is connected with described housing.
Further, described portable chest expander also have one can with the connecting portion of the object interference fit of described hull outside, described connecting portion and described housing are fixed and an end of described connecting portion stretches out outside the described housing.
Further, an end of described pivot is connected with described connecting portion, and the other end of described pivot is connected with described housing.
Replacedly, the two ends of described pivot all are connected with described housing.
Further, described portable chest expander also comprises a spring dead plate of being located in the described housing, and described spring dead plate is provided with at least one fixture, moves to prevent described plane scroll spring.
Preferably, described housing is a cavity that is provided with opening, and described housing also comprises a removable cap, and described lid covers on described opening, makes described housing constitute closed cavity.
Further, described portable chest expander also comprises a handle, is connected with a described end of described pull strap.
Preferably, described handle is by waterproof material, or anti-slip material, or not only waterproof but also anti-skidding material were made.
Preferably, described handle is provided with pattern and/or lines.
Preferably, described handle is provided with a plurality of projectioies.
Further, described handle fits with the hand that grips described handle.
Preferably, described housing is made by metal material or elastomeric material or lint material.
Preferably, described housing is cylindraceous.
Further, the cross section of the inwall of described housing is circular.
Preferably, described housing is provided with the sign of the elastic force of the described plane scroll spring of indication.
The utility model also provides a kind of portable chest expander, comprises a hollow housing; A pivot is located in the described housing, and an end of described pivot is connected with described housing; A pull strap is wound on the described pivot and an end of described pull strap stretches out in outside the described housing; At least one plane scroll spring assembly, described plane scroll spring assembly comprises plane scroll spring and shell, described plane scroll spring comprises plane scroll spring body, outer hook and interior hook, described plane scroll spring body is located in the described shell, described outer hook and described interior hook stretch out described shell, described plane scroll spring assembly is sheathed on the described pivot, described interior hook and described pivotally connected, and described outer hook is connected with described housing; A spring dead plate is located in the described housing, and described spring dead plate is provided with at least one fixture, moves to prevent described plane scroll spring assembly; A connecting portion, can with the object interference fit of described hull outside, described connecting portion and described housing are fixed and an end of described connecting portion stretches out outside the described housing, the other end of described pivot is connected with described connecting portion; A handle is connected with a described end of described pull strap.
Preferably, described housing is a cavity that is provided with opening, and described housing also comprises a removable cap, and described lid covers on described opening, makes described housing constitute closed cavity; A described end of described pivot is connected with described lid.
Further, described fixture is a block, an inwall place that is located at described shell in the described block.
The beneficial effect of portable chest expander of the present utility model is:
Portable chest expander of the present utility model has plane scroll spring, produces pulling force by plane scroll spring, and these are significantly different with existing chest expander.In addition, the elastic force that the plane scroll spring prestretched brings makes the moment of torsion of spring reach maximization, and maximized moment of torsion continues to spread on the whole steel band of spring.Therefore, compare with traditional power spring, the energy storage capability of plane scroll spring is stronger.In addition, because the number of turns of plane scroll spring is more, the elastic force that a plurality of power springs can provide is general only to need a plane scroll spring to realize.
Portable chest expander volume of the present utility model is little, is easy to carry.In addition, portable chest expander is simple in structure, is easy to make.
Portable chest expander of the present utility model has connecting portion, can with the object of outside, for example shaft such as rod, rod interference fit.For example shaft such as rod, rod is inserted the connecting portion of portable chest expander, can fix this portable chest expander easily, the stretching pull strap is to perform physical exercise.
Portable chest expander of the present utility model also comprises a removable cap, adds, reduces plane scroll spring to make things convenient for the user, thereby changes the required pulling force of pull strap of the portable chest expander of pulling.
Portable chest expander of the present utility model also comprises a handle, makes things convenient for the stretching pull strap.
The handle of portable chest expander of the present utility model can be made by the water-proof skid-proof material, prevents that staff breaks away from handle.
The handle of portable chest expander of the present utility model can have pattern and lines, to increase usability and comfortableness.
The handle of portable chest expander of the present utility model can have projection, to reach the health-care effect at massage hand acupoint.
The profile of the handle of portable chest expander of the present utility model is the curve design when holding according to hand, fits fully with hand, reaches the effect of protection hand, avoids occurring unnecessary strain.
The housing of portable chest expander of the present utility model can adopt different materials according to customer demand, and the metal material of texture is for example arranged, and touches the better elastomeric material of sense, or the lint material liked of children and youth etc.
Portable chest expander of the present utility model for example can be made into casper that children and women like etc. to the profile of housing without limits, makes portable chest expander of the present utility model have amusement and decoration function concurrently.
The housing of portable chest expander of the present utility model is provided with the sign of indication spring tension, can clearly indicate the elastic force of plane scroll spring representative.
Be described further below with reference to the technique effect of accompanying drawing, to understand the purpose of this utility model, feature and effect fully design of the present utility model, concrete structure and generation.
Description of drawings
Fig. 1 is the stereogram of a preferred embodiment of portable chest expander of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to cut-away view;
Fig. 3 is the stereogram of another preferred embodiment of portable chest expander of the present utility model;
Fig. 4 is that the B-B of Fig. 3 is to cut-away view.
The specific embodiment
Fig. 1 and Fig. 2 provide an embodiment of portable chest expander.Portable chest expander has the cylinder shell 5 of a hollow, a pivot 6, a pull strap 4 and at least one plane scroll spring 2, pivot 6 is located in the housing 5, pull strap 4 is wound on the pivot 6 and an end of pull strap 4 stretches out in outside the housing 5, plane scroll spring 2 is sheathed on the pivot 6, and the interior hook of plane scroll spring 2 is connected with pivot 6, and the outer hook of plane scroll spring 2 is connected with housing 5.
Plane scroll spring 2 before inserting housing 5, several circles of first pretension, the elastic force that brings of prestretched makes the moment of torsion of spring reach maximization thus.Maximized moment of torsion continues to spread on the whole steel band of spring.Therefore, compare with traditional power spring, the energy storage capability of plane scroll spring 2 is stronger.In addition, because the number of turns of plane scroll spring 2 more (for example, can for 40 circles etc.), 2 elastic force that can provide of a plane scroll spring may need a plurality of power springs to realize.
Staff pulling pull strap 4 drives pivot 6 and rotates, and plane scroll spring 2 is compressed distortion, produces elastic force.The pulling force of staff overcomes the elastic force that plane scroll spring 2 is produced, thereby can make pull strap 4 elongations.Otherwise staff loosens pull strap 4, and plane scroll spring 2 is compressed elastic force drive pivot 6 backward rotation that distortion produces, and pull strap 4 is shortened, and also is that pull strap 4 is wound on the pivot 6 again.
As the power source, the pulling force that personnel selection pulls moving pull strap 4 overcomes the resistance that plane scroll spring 2 is produced to portable chest expander of the present utility model by plane scroll spring 2, thus the purpose that realization is taken exercises.Spring in the existing chest expander generally only is used for pull strap is regained, and not as power source (otherwise produce resistance, for example magnet etc.).
In addition, portable chest expander also have one can with the connecting portion 8 of the object interference fit of housing 5 outsides, connecting portion 8 stretches out outside the housing 5 with housing 5 ends fixing and connecting portion 8.For example, will insert the opening of the connecting portion 8 of portable chest expander such as the shaft of rod, rod etc., and can fix this portable chest expander easily, stretching pull strap 4 is to perform physical exercise.As depicted in figs. 1 and 2, connecting portion 8 is the cylinder of a hollow, and an end of connecting portion 8 and is connected with pivot 6 in housing 5; The other end of connecting portion 8 stretches out outside the housing 5.Shaft inserts the opening of connecting portion 8, and enters connecting portion 8 inside, with connecting portion 8 interference fit.
Portable chest expander also comprises a spring dead plate 7 of being located in the housing 5, and spring dead plate 7 is provided with at least one fixture (not shown), moves to prevent plane scroll spring 2.In the present embodiment, fixture is a block, and plane scroll spring 2 is sheathed on the pivot 6, and block is located between the circle steel band and another circle steel band of plane scroll spring 2, moves to prevent plane scroll spring 2.Block can make the fixed effect of plane scroll spring 2 better for a plurality of.Certainly, fixture is not limited to block, can prevent the fixture that plane scroll spring 2 moves for other, and for example hook-shaped card base is hooked on the steel band of plane scroll spring 2.
In the present embodiment, housing 5 is a cavity that is provided with opening, and housing 5 also comprises a removable cap 1, and lid 1 covers on opening, makes housing 5 constitute closed cavity.Lid 1 can have the partial fixing of opening by card base and housing 5.The utility model does not limit the fixed form that lid 1 and housing 5 have the part of opening, also can for be threaded, riveted joint etc.After lid 1 took off, the user can add or reduce the quantity of plane scroll spring 2, to change the pulling force of portable chest expander according to the needs of individual's exercise.Because plane scroll spring 2 is the power source, then increases plane scroll spring 2, the pulling force that the user spurs pull strap 4 need increase.Otherwise, reduce plane scroll spring 2, just can reduce the user and spur the required pulling force of pull strap 4.
Certainly, housing 5 also can be the cavity of closure, and does not have lid 1.That is to say the fixed amount of the plane scroll spring 2 in the portable chest expander, the user can't regulate the pulling force of portable chest expander.
Portable chest expander also comprises a handle 3, is connected with an end of pull strap 4.Staff grips the handle 3 of stopping, by pulling handle 3 or release handle 3, and elongation pull strap 4 or shortening pull strap 4.
Preferably, handle 3 is by waterproof material, or anti-slip material, or not only waterproof but also anti-skidding material were made, and broke away from handle 3 to prevent staff.For example, handle 3 can be made by PVC (polyvinyl chloride), ABS (acrylonitrile-styrene-butadiene copolymer), PP (polypropylene) etc. not only waterproof but also anti-skidding material.In addition, frosted processing etc. can be carried out in the surface of handle 3, with the non-skid property of lifting handle 3.
Further, can be provided with pattern and/or lines on the handle 3, to increase user's usability and comfortableness.
Further, can be provided with a plurality of projectioies on the handle 3.The user can massage the acupoint of hand when using portable chest expander body-building.Each acupoint correspondence of hand each vitals of human body, after one's own heart, lung, liver, reproductive system etc., therefore, often massage these acupoints, can reach the effect of health care.
Further, handle 3 fits with the hand of gripping handle 3.The profile of handle 3 is the curve designs when holding according to hand, fits with hand fully, reaches the effect of protecting hand, avoids occurring unnecessary strain.
Certainly, portable chest expander of the present utility model also can not comprise handle 3, and staff direct pull or loosen pull strap 4 also can reach elongation pull strap 4 or shorten the purpose of pull strap 4.
Portable chest expander of the present utility model to the material of housing 5 without limits, can use texture metal material, touch lint material that the better elastomeric material of sense or children and youth like etc.
Portable chest expander of the present utility model for example can be made into casper that children and women like etc. to the profile of housing 5 without limits, makes portable chest expander of the present utility model have amusement and decoration function concurrently.In the present embodiment, housing 5 is cylindraceous.Consider plane scroll spring 2 for discoid, the cross section of the inwall of housing 5 is preferably circular, with the installation that makes things convenient for plane scroll spring 2 and fixing.
In addition, plane scroll spring 2 also can be sealed in the shell of a hollow cylindrical (integral body is called the plane scroll spring assembly), to prevent plane scroll spring 2 under the bigger situation of pulling force, lid 1 is flicked and injures human body.Can include only a plane scroll spring 2 in the plane scroll spring assembly, also can comprise a plurality of plane scroll springs 2.
Fixture on the spring dead plate 7 can prevent that the plane scroll spring assembly from moving.For example, a block respectively is set, the plane scroll spring assembly is not moved at the inwall place and the outer wall place of this shell.
After lid 1 took off, the user can add or reduce the quantity of plane scroll spring assembly, to change the pulling force of portable chest expander according to the needs of individual's exercise.Because plane scroll spring 2 is the power source, then increases the plane scroll spring assembly, the pulling force that the user spurs pull strap 4 need increase.Otherwise, reduce the plane scroll spring assembly, just can reduce the user and spur the required pulling force of pull strap 4.
Further, on the shell of plane scroll spring assembly, can be provided with the sign of the elastic force of indication plane scroll spring 2, identification when user-friendly and installation.
Fig. 3 and Fig. 4 provide another embodiment of portable chest expander.Present embodiment is with the difference of the embodiment of Fig. 1 and Fig. 2: the two ends of pivot 6 are connected with housing 5 respectively.Connecting portion 8 stretches out housing 5 from the sidewall of cylinder shell 5.Certainly, the direction of stretching out of connecting portion 8 is not limited thereto, and 8 need one ends of connecting portion and housing 5 are fixing, and the other end stretches out from the optional position of housing 5 and gets final product.
Portable chest expander of the present utility model can be safely and is reached easily and take exercise and the effect of health care.After fixing portable chest expander, the user can take to sit, crouch, stands, squats and other various postures perform physical exercise, and changes abundant.For example, the user both can single-handed exercise, also can use two portable chest expander both hands to take exercise simultaneously simultaneously.No matter be singlehanded take exercise or both hands are taken exercise, the user can take different postures, to reach the effect of taking exercises other positions such as chest, arm, waist, abdomen, leg, stern.
In addition, portable chest expander volume of the present utility model is little, light weight, be easy to carry, and can take open air and other place easily to, is fit to whole family the old and the young's daily physical exercise.In idle, it is convenient to place, and it is little to take up space.
In addition, the moulding that the individual character of portable chest expander is various also can play decoration function.
Further, portable chest expander of the present utility model is by the source of plane scroll spring as pulling force, and these are significantly different with existing chest expander.
More than describe preferred embodiment of the present utility model in detail.The ordinary skill that should be appreciated that this area need not creative work and just can make many modifications and variations according to design of the present utility model.Therefore, all technical staff in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection domain by claims.
Claims (18)
1. portable chest expander, it is characterized in that, comprise a hollow housing, a pivot, a pull strap and at least one plane scroll spring, described pivot is located in the described housing, described pull strap is wound on the described pivot and an end of described pull strap stretches out in outside the described housing, described plane scroll spring is sheathed on the described pivot, the interior hook of described plane scroll spring and described pivotally connected, and the outer hook of described plane scroll spring is connected with described housing.
2. portable chest expander as claimed in claim 1, wherein, described portable chest expander also have one can with the connecting portion of the object interference fit of described hull outside, described connecting portion and described housing are fixed and an end of described connecting portion stretches out outside the described housing.
3. portable chest expander as claimed in claim 2, wherein, an end of described pivot is connected with described connecting portion, and the other end of described pivot is connected with described housing.
4. portable chest expander as claimed in claim 1 or 2, wherein, the two ends of described pivot all are connected with described housing.
5. as claim 1 or 2 or 3 described portable chest expanders, wherein, described portable chest expander also comprises a spring dead plate of being located in the described housing, and described spring dead plate is provided with at least one fixture, moves to prevent described plane scroll spring.
6. portable chest expander as claimed in claim 5, wherein, described housing is a cavity that is provided with opening, and described housing also comprises a removable cap, and described lid covers on described opening, makes described housing constitute closed cavity.
7. portable chest expander as claimed in claim 5, wherein, described plane scroll spring is sealed in the shell.
8. as claim 1 or 2 or 3 described portable chest expanders, wherein, described portable chest expander also comprises a handle, is connected with a described end of described pull strap.
9. portable chest expander as claimed in claim 8, wherein, described handle is by waterproof material, or anti-slip material, or not only waterproof but also anti-skidding material were made.
10. portable chest expander as claimed in claim 9, wherein, described handle is provided with pattern and/or lines.
11. as claim 9 or 10 described portable chest expanders, wherein, described handle is provided with a plurality of projectioies.
12. portable chest expander as claimed in claim 8, wherein, described handle fits with the hand that grips described handle.
13. as claim 1 or 2 or 3 described portable chest expanders, wherein, described housing is made by metal material or elastomeric material or lint material.
14. as claim 1 or 2 or 3 described portable chest expanders, wherein, described housing is cylindraceous.
15. as claim 1 or 2 or 3 described portable chest expanders, wherein, the cross section of the inwall of described housing is circular.
16. a portable chest expander is characterized in that, comprising:
A hollow housing;
A pivot is located in the described housing, and an end of described pivot is connected with described housing;
A pull strap is wound on the described pivot and an end of described pull strap stretches out in outside the described housing;
At least one plane scroll spring assembly, described plane scroll spring assembly comprises plane scroll spring and shell, described plane scroll spring comprises plane scroll spring body, outer hook and interior hook, described plane scroll spring body is located in the described shell, described outer hook and described interior hook stretch out described shell, described plane scroll spring assembly is sheathed on the described pivot, described interior hook and described pivotally connected, and described outer hook is connected with described housing;
A spring dead plate is located in the described housing, and described spring dead plate is provided with at least one fixture, moves to prevent described plane scroll spring assembly;
A connecting portion, can with the object interference fit of described hull outside, described connecting portion and described housing are fixed and an end of described connecting portion stretches out outside the described housing, the other end of described pivot is connected with described connecting portion;
A handle is connected with a described end of described pull strap.
17. portable chest expander as claimed in claim 16, wherein, described housing is a cavity that is provided with opening, and described housing also comprises a removable cap, and described lid covers on described opening, makes described housing constitute closed cavity; A described end of described pivot is connected with described lid.
18. as claim 16 or 17 described portable chest expanders, wherein, described fixture is a block, an inwall place that is located at described shell in the described block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200607410U CN202015445U (en) | 2011-03-09 | 2011-03-09 | Portable chest expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200607410U CN202015445U (en) | 2011-03-09 | 2011-03-09 | Portable chest expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202015445U true CN202015445U (en) | 2011-10-26 |
Family
ID=44809127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200607410U Expired - Lifetime CN202015445U (en) | 2011-03-09 | 2011-03-09 | Portable chest expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202015445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI571284B (en) * | 2014-12-16 | 2017-02-21 | Global Win Technology Co Ltd | Damping device |
| CN106422163A (en) * | 2016-10-25 | 2017-02-22 | 郑运长 | Multifunctional exercise equipment |
-
2011
- 2011-03-09 CN CN2011200607410U patent/CN202015445U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI571284B (en) * | 2014-12-16 | 2017-02-21 | Global Win Technology Co Ltd | Damping device |
| CN106422163A (en) * | 2016-10-25 | 2017-02-22 | 郑运长 | Multifunctional exercise equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2010504802A (en) | Multipurpose exercise equipment | |
| CN204434982U (en) | The Boating type body-building washing machine that a kind of clockwork spring drives | |
| WO2022089439A1 (en) | Multifunctional rowing exercise machine | |
| CN202015445U (en) | Portable chest expander | |
| CN203539986U (en) | Double-pull-cord multifunctional sit-up board | |
| US20160051855A1 (en) | Liquid fillable portable exercise apparatus | |
| US7211031B1 (en) | Portable exercise system | |
| CN209270730U (en) | A kind of sport physical training device | |
| CN203710600U (en) | Novel portable multifunctional household fitness equipment | |
| CN203556091U (en) | Multifunctional sit-up bench | |
| CN209155007U (en) | A kind of physical education pulling force dorsal muscles training device | |
| CN205850089U (en) | A kind of callisthenics exercise multifunctional dumbbell | |
| CN202336174U (en) | One-handed body-building spring exerciser | |
| CN206896670U (en) | A kind of elastic force trainer | |
| CN206597247U (en) | A kind of stretcher for body building tool | |
| CN201558460U (en) | Composite sports apparatus | |
| CN201049169Y (en) | Portable dual-bow shape body-building device | |
| CN214319002U (en) | Abdominal muscle exerciser | |
| CN214319021U (en) | Portable bench press thick stick | |
| CN203264155U (en) | Bone dumbbell | |
| CN212998171U (en) | Water bag | |
| CN213220726U (en) | Portable multifunctional strength trainer | |
| CN212998172U (en) | Water bag | |
| CN201719741U (en) | Arm force exerciser with double springs | |
| CN201719743U (en) | Arm muscle training device with elastic rubber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |
|
| CX01 | Expiry of patent term |