CN106246781B - A kind of extension spring mechanism suitable for sports equipment - Google Patents
A kind of extension spring mechanism suitable for sports equipment Download PDFInfo
- Publication number
- CN106246781B CN106246781B CN201610688649.6A CN201610688649A CN106246781B CN 106246781 B CN106246781 B CN 106246781B CN 201610688649 A CN201610688649 A CN 201610688649A CN 106246781 B CN106246781 B CN 106246781B
- Authority
- CN
- China
- Prior art keywords
- spring
- rotating ballhead
- inner spring
- sports equipment
- cable wire
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
- F16F3/04—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs
-
- 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
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/05—Linearly-compressed elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Springs (AREA)
Abstract
A kind of extension spring mechanism suitable for sports equipment of the present invention, including the first rotating ballhead, cable wire, the second rotating ballhead, inner spring, third rotating ballhead, outer spring.The inner spring connects the first rotating ballhead by cable wire, and the other end connects the third rotating ballhead, can replace the spring of required limit of stretch according to demand.Outer spring is arranged with outside the inner spring, outer spring both ends carry out necking processing so that during spring elongation, outer spring always encases inner spring.The limit of stretch of extension spring structure can be significantly increased in the design of dual spring.What inner spring was in contact with outer spring is provided at both ends with plastic cement block, it is possible to reduce the noise that inner spring is generated with outer spring by friction can also reduce the loss that inner spring is generated with outer spring by friction.The maximum pull that outer spring is born is more than the maximum pull that inner spring is born, and avoids pulling force is excessive outer spring is caused to be broken suddenly, causes danger.
Description
Technical field
The present invention relates to a kind of spring mechanisms, relate in particular to a kind of extension spring mechanism suitable for sports equipment.
Background technology
Spring be it is a kind of using elasticity come work machine components, be generally made of spring steel, to control the fortune of parts
Size etc. that is dynamic, mitigating impact or vibrations, storage or saving energy, measuring force, is widely used in machine, instrument, sports equipment.Common circle
Various types can be made due to being simple to manufacture in column spring according to loading conditions, simple in structure, therefore most widely used, the system of spring
In general producing material material should have high elastic limit, fatigue limit, impact flexibility and good heat treatment performance etc., commonly
There are carbon spring steel, alloy spring steel, rustproof spring steel and copper alloy, nickel alloy and rubber etc..It is the elastic limit of spring, tired
The labor limit is related with the diameter of spring wire, and wire diameter is bigger, and the elastic limit that it is born is also bigger.
In the prior art, it all has higher requirements in the length and width size of the spring of some sports equipment application scenarios,
Because exercisor strength is different, Single spring structure cannot be satisfied the requirement of tensile strength.Meanwhile it moving in the prior art
The extension spring of instrument includes integrated spring body and the first hook and the second hook set on spring body both ends, the bullet
Spring ontology crimps superposition by metal wire rod and forms hollow cylinder, and the hollow cylinder includes inner circle, when being attached, it is necessary to
Less with the connection type of exterior part by the hook at its both ends, connection is also not sufficiently stable.In motion process, sports apparatus
The frictional noise sent out can also be such that person taking exercise generates unhappy.
Invention content
For this purpose, technical problem to be solved by the present invention lies in the extension spring mechanisms for being suitable for sports equipment in the prior art
Single spring construction tensile strength it is insufficient and single with external connection mode, connective stability is poor, while easy ting produce and rubbing
Wipe noise.
In order to solve the above technical problems, the used technical solution of the present invention：
A kind of extension spring mechanism suitable for sports equipment, including：
First rotating ballhead is provided with through-hole at bulb；
Cable wire, one end connect one end of first rotating ballhead, and the other end connects the second rotating ballhead；
Second rotating ballhead, one end connect the cable wire, and the other end connects inner spring；
Inner spring, one end connect second rotating ballhead, and the other end connects third rotating ballhead；
Third rotating ballhead is provided with through-hole at bulb；
Outer spring is set in outside the inner spring, and the outer spring both ends carry out necking processing so that internal diameter is less than described
The outer diameter of inner spring；
The length for being shorter in length than the inner spring of the cable wire；
What the inner spring was in contact with the outer spring is provided at both ends with plastic cement block；
The maximum pull that the outer spring is born is more than the maximum pull that the inner spring is born.
First rotating ballhead is with the cable wire using the connection type of riveting.
Second rotating ballhead one end is with the cable wire using the connection type of riveting；The other end be provided with screw thread with it is interior
The screw thread being arranged in spring corresponds to, and the two is connected by spiral.
One end of the third rotating ballhead is provided with screw thread, and corresponding with the screw thread being arranged in inner spring, the two passes through
Spiral connects.
The material of first rotating ballhead is stainless steel.
The material of second rotating ballhead is stainless steel.
The material of the third rotating ballhead is stainless steel.
The above technical solution of the present invention has the following advantages over the prior art.
1. a kind of extension spring mechanism suitable for sports equipment of the present invention, including the first rotating ballhead, cable wire, the second rotation
Turn bulb, inner spring, third rotating ballhead, outer spring.The inner spring connects the first rotating ballhead by cable wire, and the other end connects
The third rotating ballhead is connect, the spring of required limit of stretch can be replaced according to demand.It is arranged with outer bullet outside the inner spring
Spring, outer spring both ends carry out necking processing so that during spring elongation, outer spring always encases inner spring.Dual spring
Design the limit of stretch of extension spring structure can be significantly increased.What inner spring was in contact with outer spring is provided at both ends with plastic cement
Block, it is possible to reduce the noise that inner spring is generated with outer spring by friction can also reduce inner spring with outer spring because friction generates
Loss.The maximum pull that outer spring is born is more than the maximum pull that inner spring is born, and avoids pulling force is excessive from causing outer bullet
Spring is broken suddenly, is caused danger.
2. a kind of the first rotating ballhead of extension spring mechanism suitable for sports equipment of the present invention is with cable wire using riveting
Process equipment needed for connection type is simple, has antidetonation, stretch-proof, and solid and reliable advantage.
3. a kind of one end of the third rotating ballhead of extension spring mechanism suitable for sports equipment of the present invention is provided with spiral shell
Line, corresponding with the screw thread being arranged in inner spring, the two is connected by spiral, and connection type is easy, has the advantages that stretch-proof.
Description of the drawings
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Structural schematic diagram when Fig. 1 is a kind of extension spring mechanism tensional state suitable for sports equipment of the present invention；
Fig. 2 is structural schematic diagram when a kind of extension spring mechanism suitable for sports equipment of the present invention removes outer spring；
Structural schematic diagram when Fig. 3 is a kind of extension spring mechanism stationary state suitable for sports equipment of the present invention；
Fig. 4 is a kind of structural schematic diagram of the first rotating ballhead of extension spring mechanism suitable for sports equipment of the invention；
Fig. 5 is a kind of structural schematic diagram of the second rotating ballhead of extension spring mechanism suitable for sports equipment of the invention；
Fig. 6 is a kind of structural schematic diagram of the third rotating ballhead of extension spring mechanism suitable for sports equipment of the invention；
Fig. 7 is a kind of structural schematic diagram of the plastic cement block of extension spring mechanism suitable for sports equipment of the invention.
Reference numeral is expressed as in figure：The first rotating ballheads of 1-；2- cable wires；The second rotating ballheads of 3-；4- inner springs；Outside 5-
Spring；6- third rotating ballheads；7- plastic cement blocks.
Specific implementation mode
A kind of extension spring mechanism suitable for sports equipment, as shown in figs. 1-7, including：
First rotating ballhead 1 is provided with through-hole at bulb.Through-hole can connect other connectors, such as hook, screw.
Cable wire 2, one end connect the second rotating ballhead 3 by connecting one end of first rotating ballhead 1, the other end.Steel
Rope can be that several iron wires are wound.
Second rotating ballhead 3, one end connect the cable wire 2, and the other end connects inner spring 4.
Inner spring 4 is helical spring, and one end connects second rotating ballhead 3, and the other end connects third rotating ballhead
6。
Third rotating ballhead 6 is provided with through-hole at bulb.Through-hole can connect other connectors, such as hook, screw.
Outer spring 5 is helical spring, is set in outside the inner spring that the outer spring both ends carry out necking processing, make
Obtain the outer diameter that internal diameter is less than the inner spring.So that during spring elongation, outer spring 5 always encases inner spring 4, is drawing
The stretching of outer spring is driven when stretching inner spring.The limit of stretch of extension spring structure can be significantly increased in the design of dual spring.
The length for being shorter in length than the inner spring 4 of the cable wire 2.The effect of cable wire is to ensure that inner spring and outer spring have
Certain stretching space.Cable wire is shorter than the length of the inner spring so that inner spring will not tensile deformation it is excessive, avoid causing to anticipate
Outer fracture or expendable deformation.
What the inner spring 4 was in contact with the outer spring 5 is provided at both ends with plastic cement block 7.Can reduce inner spring with
The noise that outer spring is generated by friction can also reduce the loss that inner spring 4 is generated with outer spring 5 by friction.
The maximum pull that the outer spring 5 is born is more than the maximum pull that the inner spring 4 is born.Avoid pulling force mistake
It causes outer spring to be broken suddenly greatly, causes danger.
First rotating ballhead 1 is with the cable wire 2 using the connection type of riveting.Required process equipment is simple, tool
There are antidetonation, stretch-proof, and solid and reliable advantage, avoids rotating ballhead in drawing process from being detached suddenly with cable wire, cause danger.
Described second rotating ballhead, 3 one end is with the cable wire 2 using the connection type of riveting；The other end be provided with screw thread with
The screw thread being arranged in inner spring 4 corresponds to, and the two is connected by spiral.Connection type is easy, has the advantages that stretch-proof.
One end of the third rotating ballhead 6 is provided with screw thread, and corresponding with the screw thread being arranged in inner spring, the two passes through
Spiral connects.Connection type is easy, has the advantages that stretch-proof.The third rotating ballhead uses flat design at bulb,
Conveniently grip part（Such as intermediate plate and screw）Connect, fix.
The material of first rotating ballhead 1 is stainless steel.Other metal materials can also be used, such as copper, galvanized steel, aluminium
Alloy etc..Plastic cement material can also be used.
The material of second rotating ballhead 3 is stainless steel.Other metal materials can also be used, such as copper, galvanized steel, aluminium
Alloy etc..Plastic cement material can also be used.
The material of the third rotating ballhead 6 is stainless steel.Other metal materials can also be used, such as copper, galvanized steel, aluminium
Alloy etc..Plastic cement material can also be used.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (6)
1. a kind of extension spring mechanism suitable for sports equipment, which is characterized in that include：
First rotating ballhead is provided with through-hole at bulb；
Cable wire, one end connect one end of first rotating ballhead, and the other end connects the second rotating ballhead；
Second rotating ballhead, one end connect the cable wire, and the other end connects inner spring；
Inner spring, one end connect second rotating ballhead, and the other end connects third rotating ballhead；
Third rotating ballhead is provided with through-hole at bulb；
Outer spring is set in outside the inner spring, and the outer spring both ends carry out necking processing so that internal diameter is less than the interior bullet
The outer diameter of spring；
The length for being shorter in length than the inner spring of the cable wire；
What the inner spring was in contact with the outer spring is provided at both ends with plastic cement block；
The maximum pull that the outer spring is born is more than the maximum pull that the inner spring is born；First rotating ballhead
With the cable wire using the connection type of riveting.
2. a kind of extension spring mechanism suitable for sports equipment according to claim 1, which is characterized in that second rotation
Turn connection type of the bulb one end with the cable wire using riveting；The other end is provided with the screw thread pair of screw thread and setting in inner spring
It answers, the two is connected by spiral.
3. a kind of extension spring mechanism suitable for sports equipment according to claim 1 or 2, which is characterized in that described
One end of three rotating ballheads is provided with screw thread, and corresponding with the screw thread being arranged in inner spring, the two is connected by spiral.
4. a kind of extension spring mechanism suitable for sports equipment according to claim 3, which is characterized in that first rotation
The material for turning bulb is stainless steel.
5. a kind of extension spring mechanism suitable for sports equipment according to claim 4, which is characterized in that second rotation
The material for turning bulb is stainless steel.
6. a kind of extension spring mechanism suitable for sports equipment according to claim 5, which is characterized in that the third rotation
The material for turning bulb is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688649.6A CN106246781B (en) | 2016-08-18 | 2016-08-18 | A kind of extension spring mechanism suitable for sports equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688649.6A CN106246781B (en) | 2016-08-18 | 2016-08-18 | A kind of extension spring mechanism suitable for sports equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246781A CN106246781A (en) | 2016-12-21 |
| CN106246781B true CN106246781B (en) | 2018-09-11 |
Family
ID=57591835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610688649.6A Expired - Fee Related CN106246781B (en) | 2016-08-18 | 2016-08-18 | A kind of extension spring mechanism suitable for sports equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246781B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101875452B1 (en) * | 2017-12-28 | 2018-07-06 | 김영길 | Spring structure for healthcare |
| CN108980241B (en) * | 2018-10-09 | 2023-11-10 | 扬州飞天弹簧有限公司 | Spring resistant to plastic deformation and manufacturing method thereof |
| KR200496540Y1 (en) * | 2022-09-28 | 2023-02-21 | 김영길 | Cover ring of spring on health care for noisy protection and cushion |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB526253A (en) * | 1939-03-10 | 1940-09-13 | Richard James Vaughan | Improvements in hand exercising apparatus |
| CN201214389Y (en) * | 2008-06-13 | 2009-04-01 | 魏洪刚 | Vehicle width alarming sign |
| CN201719741U (en) * | 2010-07-30 | 2011-01-26 | 励盼攀 | Arm force exerciser with double springs |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3631233A1 (en) * | 1986-09-13 | 1988-03-24 | Daimler Benz Ag | Dynamically stressed helical tension spring |
| US6752747B2 (en) * | 2002-01-17 | 2004-06-22 | Ya-Chu Hsiao | Multi-directional swivel body builder |
| US9360073B2 (en) * | 2010-02-23 | 2016-06-07 | Renton Coil Spring Company | Tension spring mount with friction-resistant coating |
| US8506461B2 (en) * | 2010-11-29 | 2013-08-13 | Ming-Hsiung Huang | Multifunction dumbbell |
| DE102011108852A1 (en) * | 2011-07-28 | 2013-01-31 | Liebherr-Aerospace Lindenberg Gmbh | Spring system for an aircraft |
| CN202761981U (en) * | 2012-09-21 | 2013-03-06 | 吕美娇 | Spring dumbbell |
| CN203670572U (en) * | 2013-11-22 | 2014-06-25 | 松阳县勇翔弹簧有限公司 | Anti-clamping compression spring |
| CN203899022U (en) * | 2014-06-03 | 2014-10-29 | 朱旭杰 | Arm and wrist strength training device |
| CN104930095A (en) * | 2015-06-18 | 2015-09-23 | 无锡众扬金属制品有限公司 | Extension spring |
-
2016
- 2016-08-18 CN CN201610688649.6A patent/CN106246781B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB526253A (en) * | 1939-03-10 | 1940-09-13 | Richard James Vaughan | Improvements in hand exercising apparatus |
| CN201214389Y (en) * | 2008-06-13 | 2009-04-01 | 魏洪刚 | Vehicle width alarming sign |
| CN201719741U (en) * | 2010-07-30 | 2011-01-26 | 励盼攀 | Arm force exerciser with double springs |
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| Publication number | Publication date |
|---|---|
| CN106246781A (en) | 2016-12-21 |
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Granted publication date: 20180911 Termination date: 20190818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |