CN2500333Y - Safety pulling force apparatus for body-building - Google Patents
Safety pulling force apparatus for body-building Download PDFInfo
- Publication number
- CN2500333Y CN2500333Y CN 01265404 CN01265404U CN2500333Y CN 2500333 Y CN2500333 Y CN 2500333Y CN 01265404 CN01265404 CN 01265404 CN 01265404 U CN01265404 U CN 01265404U CN 2500333 Y CN2500333 Y CN 2500333Y
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- CN
- China
- Prior art keywords
- rubber
- spring
- chest expander
- utility
- handles
- 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 - Fee Related
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Abstract
The utility model belongs to the body-building appliance field, in particular relates to a safe chest expander. The chest expander in the utility model comprises two handles, rubber pipes, connecting shackles and protective jackets. A plurality of the rubber pipes are connected by the movable connecting shackles between the two handles. The rubber pipe jackets are sleeved by the protective jackets. Two round or oval extension balls are filled inside the two ends of each rubber pipe which pass through the shackle ring of the connecting shackle and are overlapped and fixed. The safe chest expander does not injure people while being extending because the steel wire spring is changed into a rubber spring, the extension balls are inserted into the ends of rubber pipes, which are sleeved and fixedly connected with the movable connecting shackles by using the spring nature of rubber with the very firm joints and cannot loosen. In addition, in order to prevent the crack of spring from injuring people, the protection jacket is provided on the spring for safety. As the chest expander is completely made of plastic or rubber materials, the utility model has the advantages of less weight, portability, simple structure, easy processing and installation, low cost, easy generalization and utilization.
Description
Technical field:
The utility model belongs to field of exercise, particularly a kind of safe body-building chest developer.
Figure viewed from behind technology:
At present, chest expander as health and fitness facilities has various, mostly with the steel wire of electroplating surface as spring, this chest expander in use crushes the people easily, concerning the people that chesk hair is arranged, when doing chest expanding exercise, be a kind of unsafe health and fitness facilities especially, in addition, because with the passing of time electrodeposited coating gets rusty to come off very easily thrusts skin and jeopardize personal safety.Shortcoming according to this chest expander existence; its deficiency is improved; for example patent 95211661.8 nylon tension spring tension devices, patent 88204318.8 chest-developer etc. that has a protective sleeve has guaranteed the security of using to a certain extent; but its structure is complicated; processing is installed convenient inadequately; in addition, because spring adopts method commonly used with being connected of handle, the installation and removal extension spring is wasted time and energy.
Summary of the invention:
The purpose of this utility model is that the wire spring chest expander security that exists at prior art is relatively poor and structure is complicated; remove and install inconvenient shortcoming; provide a kind of employing rubber tube (bar) to make spring, increased the sheath of insuring, and the safe body-building chest developer of easy installing/dismounting.
For achieving the above object, chest expander of the present utility model comprises two handles, rubber tube (bar), junction button and protective sleeve, links by flexible connection between two handles and connects several rubber tubes (bar), the outer protective sleeve that is with of described rubber tube (bar).This protective sleeve is suitable for guiding principle silk steel strand exerciser too.
As improvement of the present utility model, respectively be plugged with an expansion ball in two ends of described rubber tube, it is nestable fixing that the latch closure of junction button is passed in the end.
As further improvement of the utility model, described expansion ball is circular or oval.
This safe body-building chest developer owing to make habitual wire spring into rubber spring, by utilizing the elasticity of rubber itself, is filled in the expansion ball and is buckled nestable fixedlying connected with dismountable flexible connection again in the end, make connecting portion very firm, can not get loose.In addition, jeopardize the person, outside rubber tube, add protective sleeve, guaranteed security in order to prevent the rubber tube fracture.Because the whole members of this chest expander all adopt plastics or elastomeric material, it is in light weight, is convenient for carrying, and is simple in structure, processes easy for installationly, and cost is low, easily promotes the use of.
Description of drawings:
Fig. 1 is the utility model structural representation.
The specific embodiment:
Chest expander of the present utility model as shown in Figure 1; comprise two handles 1, rubber tube 2, junction button 3 and protective sleeve 4; two handles 1 adopt the plastics manufacturing; between two handles 1, connect rubber tube 2 by flexibly connecting button 3; wherein junction button 3 adopts plastic processing to form; this junction button 3 is provided with latch closure 6, is used to connect rubber tube 2, and junction button 3 also is provided with opening hook and is connected with handle 1.Push opening part, installing/dismounting is convenient to the increase or the minimizing of rubber tube 2 radicals at any time.Rubber tube 2 adopts the high elastic rubber pipe, utilizes the elasticity of rubber tube itself, respectively fills in the diameter expansion ball 5 bigger slightly than rubber tube 2 internal diameters in two end, two ends is passed the latch closure 6 of junction button 3 respectively again, and is nestable fixing.Because the aging fracture of the rubber tube 2 and bullet wound people is with a protective sleeve 4 in the outside of rubber rubber 2, this protective sleeve 4 adopts rubber foams to make, and also can adopt other flexible material processing and manufacturings in order to prevent, its shape can be processed into rectangle tubular or cylindric etc.The quantity of rubber tube 2 can be provided with the 1-5 bar according to body builder's needs.
Claims (4)
1, a kind of safe body-building chest developer comprises two handles, rubber tube, junction button and protective sleeves, connects several rubber tubes (2) by flexibly connecting button (3) between two handles (1), it is characterized in that: the outer protective sleeve (4) that is with of described rubber tube (2)
2, according to the described safe body-building chest developer of claim 1, it is characterized in that: respectively be plugged with an expansion ball (5) in two ends of rubber tube (2), it is nestable fixing that the latch closure (6) of junction button (3) is passed in the end.
3, according to the described safe body-building chest developer of claim 2, it is characterized in that: described expansion ball (5) is for circular.
4, according to the described safe body-building chest developer of claim 2, it is characterized in that: described expansion ball (5) is for oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01265404 CN2500333Y (en) | 2001-09-18 | 2001-09-18 | Safety pulling force apparatus for body-building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01265404 CN2500333Y (en) | 2001-09-18 | 2001-09-18 | Safety pulling force apparatus for body-building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2500333Y true CN2500333Y (en) | 2002-07-17 |
Family
ID=33672317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01265404 Expired - Fee Related CN2500333Y (en) | 2001-09-18 | 2001-09-18 | Safety pulling force apparatus for body-building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2500333Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823295A (en) * | 2017-03-31 | 2017-06-13 | 丽水学院 | A kind of steel strand exerciser |
| CN110025923A (en) * | 2019-04-30 | 2019-07-19 | 泉州经济技术开发区富鑫运动器材有限公司 | Suspension type trains with handles and suspension type training band |
-
2001
- 2001-09-18 CN CN 01265404 patent/CN2500333Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823295A (en) * | 2017-03-31 | 2017-06-13 | 丽水学院 | A kind of steel strand exerciser |
| CN106823295B (en) * | 2017-03-31 | 2018-10-19 | 丽水学院 | A kind of steel strand exerciser |
| CN110025923A (en) * | 2019-04-30 | 2019-07-19 | 泉州经济技术开发区富鑫运动器材有限公司 | Suspension type trains with handles and suspension type training band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |