CN102688581B - Hydraulic swing resistance device capable of adjusting bidirectional resistance - Google Patents
Hydraulic swing resistance device capable of adjusting bidirectional resistance Download PDFInfo
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- CN102688581B CN102688581B CN201210219274.0A CN201210219274A CN102688581B CN 102688581 B CN102688581 B CN 102688581B CN 201210219274 A CN201210219274 A CN 201210219274A CN 102688581 B CN102688581 B CN 102688581B
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Abstract
The invention relates to a variable resistance device, in particular to a hydraulic swing resistance device capable of adjusting bidirectional resistance, which can be widely applied to exercisers. The hydraulic swing resistance device comprises an oil storage cylinder and a resistance cylinder, wherein a rotary shaft is arranged in the center of the interior of the resistance cylinder; the outside diameter of the rotary shaft is smaller than the inside diameter of the resistance cylinder; a fixed block is arranged between the rotary shaft and the inner wall of the resistance cylinder; a movable block is arranged on the rotary shaft; a part between the rotary shaft and the resistance cylinder is divided into two airtight fluid accommodating cavities with variable volumes, namely a first fluid cavity and a second fluid cavity, by the fixed block and the movable block; a first oil return hole is arranged at the bottom of the first fluid cavity; a second oil return hole is arranged at the bottom of the second fluid cavity; two oil return holes are communicated with the oil storage cylinder through a hole channel; and an adjusting valve is arranged on the hole channel. According to the invention, the resistance during forward rotation and reverse rotation of an exerciser rotation mechanism can be respectively adjusted by using a set of hydraulic device, so that the hydraulic swing resistance device is safe, comfortable and noise-free in the use process, compact in structure, long in service life and low in cost.
Description
Technical field
The present invention relates to a kind of variable resistance device, particularly relate to a kind of swing hydraulic pressure drag devices being widely used in the two-way resistance-adjustable of exercising apparatus.
Background technology
Along with the raising day by day of the national economic development and people's living standard, people are increasing for the demand helping the exerciser of strengthening physique.In order to the needs of satisfied exercise, existing exercising apparatus generally all needs to provide a certain amount of resistance, to promote muscle power and toughness.People are in exercise routine, and the state of muscle occurs to change at any time, and therefore, the exercising apparatus of specialty generally all should be able to provide the amount of resistance that can regulate, and can ensure that user can facilitate and regulate amount of resistance easily.Especially for the resistance exercise apparatus that sportsman uses, need to adjust Resistance Value more accurately and conveniently, and repeatedly test training result with this, be also beneficial to and carry out lateral comparison between sportsman.This accurate repeatably amount of resistance Adjustment effect is difficult to, by adopting the exercising apparatus of magnetic resistance or windage to complete, usually adopt flowed friction system.
At present disclosed on sports apparatus the device of adjustable resistance have publication number to be: the Chinese patent " variable resistance device for exercising apparatus " of CN1538860A, this invention devise a primary fluid chamber and therein or near devise an auxiliary chamber, primary fluid chamber is used for providing resistance to rotating mechanism, the Fluid Volume that auxiliary chamber is used in adjustment primary fluid chamber is to regulate the size of resistance, this invention utilizes flowed friction system to provide a set of variable resistance device for exerciser, but the technical scheme that this invention provides can only the adjustment of implement device overall resistance, namely the rotary resistance in a direction can only be provided, monolateral resistance exercise can only be carried out.The program can not meet the requirement that can provide adjustable resistance amount when needs rotating mechanism rotates and reverse in some physical trainings, and therefore, this type of apparatus generally needs outfit two to overlap flowed friction system, use technology is all inconvenient, and floor space is large, cost is higher, is not suitable for promoting.
Summary of the invention
The present invention, mainly for the above-mentioned technical problem existing for prior art, provides a kind of swing hydraulic pressure drag devices of two-way resistance-adjustable of resistance when can rotating mechanism be regulated respectively to rotate and reverse.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of swing hydraulic pressure drag devices of two-way resistance-adjustable, comprise oil storage cylinder and resistance cylinders, described resistance cylinders inside center place is provided with rotating shaft, the external diameter of described rotating shaft is less than the internal diameter of described resistance cylinders, fixed block is provided with between rotating shaft and resistance cylinders inwall, described rotating shaft is provided with movable block, and described fixed block and movable block are by the enclosed fluid accommodating cavity being partitioned into first fluid chamber and second body cavity two variable volume of described rotating shaft and resistance cylinders; Offer the first spill port bottom described first-class body cavity, bottom second body cavity, offer the second spill port, described two between spill port and oil storage cylinder respectively by hole link, described duct is provided with control valve.Fluid cavity in resistance cylinders is arranged in rotating shaft can be isolated into two enclosed fluid chambers with the activity of axis of rotation by a fixed block and one by the present invention, and each chamber arranges a spill port respectively, and the effect that this structure reaches is as follows:
When rotating shaft rotates forward, the movable block in rotating shaft is subject to the resistance of first fluid chamber inner fluid, now, by controlling the control valve that the first spill port duct is arranged, regulates the aperture in corresponding backflow duct, the resistance be subject to when rotating shaft can be regulated to rotate forward;
When rotating shaft is reversed, the movable block in rotating shaft is subject to the resistance of second fluid chamber inner fluid, now, by controlling the control valve that the second spill port duct is arranged, regulates the aperture in corresponding backflow duct, the resistance be subject to when rotating shaft can be regulated to reverse.
Therefore, drag size when the swing hydraulic pressure drag devices of the two-way resistance-adjustable of the present invention uses a set of hydraulic means that exercising apparatus rotating mechanism can be regulated respectively to rotate and reverse, make this type of exercising apparatus when different rotary state for user provides different amount of resistance, the volume being simultaneously this type of exercising apparatus is miniaturized, simple operation, cost is popular provides technical support.
As preferably, described fixed block is fixedly mounted on the sidewall of resistance cylinders by fixed block pin.Fixed block is arranged on resistance cylinders sidewall by fixed block pin, and easy to assembly, intensity is higher.
As preferably, described fixed block is the long strip block in fan-like pattern cross section, and its outside curve is near described resistance cylinders inwall, and inner curve reclines described rotating shaft.The fixed block of this structure can coordinate more closely with resistance cylinders and rotating shaft, reaches good isolation effect, meet the flexible rotating of rotating shaft simultaneously to two fluid cavitys, simple and practical.
As preferably, described movable block is fixedly connected with by movable block pin with rotating shaft.Movable block is arranged in rotating shaft by pin, easy to assembly, and intensity is higher.
As preferably, described movable block is the long strip block in fan-like pattern cross section, and its inner curve is near described rotating shaft, and outside curve reclines described resistance cylinders inwall.The movable block of this structure can coordinate more closely with resistance cylinders and rotating shaft, reaches good isolation effect, meet the flexible rotating of rotating shaft simultaneously to two fluid cavitys, simple and practical.
As preferably, described two spill ports are separately positioned near described fixed block both sides, and near the inwall of described resistance cylinders.Spill port is preferably as far as possible close with fixed block side, while as far as possible close with resistance cylinders inwall, can provide between rotational area large as far as possible for rotating shaft like this, meet its support to significantly physical training action, scientific and reasonable for structure.
As preferably, described control valve comprises regulating wheel, and described regulating wheel is configured with adjusting rod and regulates core, described adjustment core is provided with adjustment hole, described adjustment hole and hole link.Regulating wheel can person easy to use operate control valve, and it also can arrange some decorative patterns, makes operation more accurately easily.Regulate adjustment hole that core is arranged to respectively with corresponding hole link, core is regulated to regulate by regulating wheel control and regulation pole pair, adjustment hole and the aperture that overlaps in duct is made to become large or diminish, make the fluid in this duct by time the pressure that needs become large or diminish, regulate the drag size of axis of rotation with this, structure be simple, compact.
As preferably, described control valve is two, is separately positioned on oil storage cylinder both sides.Two control valves being arranged on oil storage cylinder both sides control the drag size rotated and reverse respectively, operate more convenient.
As preferably, be provided with end sealing shroud and upper sleeve gasket between described resistance cylinders and rotating shaft, sealing shroud of the described end reclines the lower surface of fixed block and movable block respectively, and described upper sleeve gasket reclines the upper surface of fixed block and movable block respectively.The setting of sealing shroud improves the sealing that resistance cylinders has just been put forward, and makes two fluid cavitys obtain better isolation effect.
As preferably, between described oil storage cylinder and resistance cylinders, be provided with Connection Block.Due on different exercisers, the body posture of user is different, the position this exerciser being suitable for user's operation is also different, therefore, the Connection Block of the present invention's design is that oil cylinder provides installation carrier, by the adjustment to Connection Block specification, freely can design the height of oil storage cylinder and control valve thereof, make it can meet the position being applicable to arbitrarily operating on different exercising apparatus and oil storage cylinder and control valve thereof are installed.
Drag size when the present invention uses a set of hydraulic means that exercising apparatus rotating mechanism can be regulated respectively to rotate and reverse, make this type of exercising apparatus when different rotary state for user provides different amount of resistance, the volume being simultaneously this type of exercising apparatus is miniaturized, simple operation, cost is popular provides technical support, and the resistance provided is flexible resistance, in use safety and comfort, noiselessness, compact conformation, long service life, with low cost.
Accompanying drawing explanation
Accompanying drawing 1 is the swing hydraulic pressure drag devices structural representation of a kind of two-way resistance-adjustable of the present invention.
Accompanying drawing 2 is resistance cylinders cross-sectional view of the present invention.
Accompanying drawing 3 is resistance cylinders top view of the present invention.
Accompanying drawing 4 is movable block sectional view of the present invention.
Accompanying drawing 5 is rotating shaft sectional view of the present invention.
Accompanying drawing 6 is control valve cross-sectional view of the present invention.
In figure: 1 oil storage cylinder; 2 Connection Blocks; 3 resistance cylinders; 4 regulating wheels; 5 control valves; 6 rotating shafts; 7 cylinder caps; 8 fixed blocks; 9 end sealing shrouds; 10 upper sleeve gaskets; 11 movable blocks; 12 cylinder cap steady pins; 13 rotating shaft alignment pins; 14 fixed block pins; 15 first-class body cavitys; 16 first spill ports; 17 second body cavitys; 18 second spill ports; 19 installing holes; 20 movable block pin-and-holes; 21 movable block pins; 22 install pin-and-hole; 23 rotating shaft dowel holes; 24 ducts; 25 regulate core core print seat; 26 regulate core; 27 adjustment holes; 28 adjusting rods; 29 master reset springs; 30 spring-assisted reductions; Alignment pin 31
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, be described in further detail technical scheme of the present invention, obviously, described embodiment is only section Example of the present invention.
Embodiment 1:
See accompanying drawing 1 ~ 6, the swing hydraulic pressure drag devices of a kind of two-way resistance-adjustable of the present invention comprises the oil storage cylinder 1 and resistance cylinders 3 that are connected by Connection Block 2, resistance cylinders 3 is provided with cylinder cap 7, cylinder cap 7 is arranged on the sidewall of resistance cylinders 3 by cylinder cap steady pin 12, resistance cylinders 3 sidewall is also provided with 6 installing holes 19 for installing top cover.Cylinder cap 7 connection rotating shaft 6, its connected mode is be provided with rotating shaft dowel hole 23 bottom rotating shaft 6, and cylinder cap 7 center is provided with rotating shaft alignment pin 13, and rotating shaft alignment pin 13 just in time inserts rotating shaft dowel hole 23, the external diameter of rotating shaft 6 is less than the internal diameter of resistance cylinders 3, freely can rotate in resistance cylinders 3.
Be provided with fixed block 8 between rotating shaft 6 and resistance cylinders 3 inwall, fixed block 8 is fixedly mounted on the sidewall of resistance cylinders 3 by fixed block pin 14; Rotating shaft 6 is provided with movable block 11, movable block 11 is provided with movable block pin-and-hole 20, and is fixedly connected with by movable block pin 21 with the installation pin-and-hole 22 in rotating shaft 6.Fixed block 8 is the long strip block in fan-like pattern cross section, and its outside curve is near described resistance cylinders 3 inwall, and inner curve reclines rotating shaft 6, and movable block 11 is the long strip block in fan-like pattern cross section, and its inner curve is near described rotating shaft 6, and outside curve reclines described resistance cylinders 3 inwall.Fixed block 8 and movable block 11 are by the enclosed fluid accommodating cavity that be partitioned into first fluid chamber 15 and second body cavity 17 two variable volume of rotating shaft 6 with resistance cylinders 3.
The first spill port 16 is offered bottom first-class body cavity 15, the second spill port 18 is offered bottom second body cavity 17, two spill ports are communicated with respectively by duct 24 with between oil storage cylinder 1, and duct 24 is respectively arranged with control valve 5, and two control valves 5 are separately positioned on oil storage cylinder two ends.Control valve 5 is provided with regulating wheel 4 by alignment pin 31, regulating wheel 4 is configured with adjusting rod 28 and regulates core 26, regulate on core 26 and be provided with adjustment hole 27, adjustment hole 27 is communicated with duct 24, core 26 one end is regulated to be connected with adjustment core core print seat 25 elasticity by spring-assisted reduction 30, the other end is connected with adjusting rod 28 elasticity by master reset spring 29, adjusting rod 28 coordinates with regulating wheel 4 contact jaw surface helix, adjustment hole 27 can control to adjust bar 28 by regulating wheel 4 with the registration in duct 24 and regulate regulating core 26, adjustment hole 27 and the aperture that overlaps in duct 24 is made to become large or diminish, and then make the fluid in this duct by time the pressure that needs become large or diminish, the drag size of axis of rotation is regulated with this.
Be provided with end sealing shroud 9 and upper sleeve gasket 10 between resistance cylinders 3 and rotating shaft 6, end sealing shroud 9 reclines the lower surface of fixed block 8 and movable block 11 respectively, and upper sleeve gasket 10 reclines the upper surface of fixed block 8 and movable block 11 respectively.Two sealing shrouds improve the sealing that resistance cylinders has just been put forward, and make two fluid cavitys obtain better isolation effect.
In use procedure, when rotating shaft rotates forward, the movable block in rotating shaft is subject to the resistance of first fluid chamber inner fluid, now, by controlling the control valve that the first spill port duct is arranged, regulate the aperture in corresponding backflow duct, the resistance be subject to when rotating shaft can be regulated to rotate forward; When rotating shaft is reversed, the movable block in rotating shaft is subject to the resistance of second fluid chamber inner fluid, now, by controlling the control valve that the second spill port duct is arranged, regulates the aperture in corresponding backflow duct, the resistance be subject to when rotating shaft can be regulated to reverse.
Therefore, drag size when the swing hydraulic pressure drag devices of the two-way resistance-adjustable of the present invention uses a set of hydraulic means that exercising apparatus rotating mechanism can be regulated respectively to rotate and reverse, make this type of exercising apparatus when different rotary state for user provides different amount of resistance, the volume being simultaneously this type of exercising apparatus is miniaturized, simple operation, cost is popular provides technical support.
Should be understood that above-described embodiment is only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Claims (10)
1. the swing hydraulic pressure drag devices of a two-way resistance-adjustable, comprise oil storage cylinder (1) and resistance cylinders (3), it is characterized in that: described resistance cylinders (3) inside center place is provided with rotating shaft (6), the external diameter of described rotating shaft (6) is less than the internal diameter of described resistance cylinders (3), fixed block (8) is provided with between rotating shaft (6) and resistance cylinders (3) inwall, described rotating shaft (6) is provided with movable block (11), described fixed block (8) and movable block (11) are by the enclosed fluid accommodating cavity that be partitioned into first fluid chamber (15) and second body cavity (17) two variable volume of described rotating shaft (6) with resistance cylinders (3), described first-class body cavity (15) bottom offers the first spill port (16), the second spill port (18) is offered bottom second body cavity, described two spill ports are communicated with respectively by duct (24) with between oil storage cylinder (1), and described duct (24) are provided with control valve (5).
2. the swing hydraulic pressure drag devices of two-way resistance-adjustable according to claim 1, is characterized in that: described fixed block (8) is fixedly mounted on the sidewall of resistance cylinders (3) by fixed block pin (14).
3. the swing hydraulic pressure drag devices of two-way resistance-adjustable according to claim 2, it is characterized in that: the long strip block that described fixed block (8) is fan-like pattern cross section, its outside curve is near described resistance cylinders (3) inwall, and inner curve reclines described rotating shaft (6).
4. the swing hydraulic pressure drag devices of two-way resistance-adjustable according to claim 1, is characterized in that: described movable block (11) is fixedly connected with by movable block pin (21) with rotating shaft (6).
5. the swing hydraulic pressure drag devices of two-way resistance-adjustable according to claim 4, it is characterized in that: the long strip block that described movable block (11) is fan-like pattern cross section, its inner curve is near described rotating shaft (6), and outside curve reclines described resistance cylinders (3) inwall.
6. the swing hydraulic pressure drag devices of two-way resistance-adjustable according to claim 1, is characterized in that: described two spill ports are separately positioned near described fixed block (8) both sides, and the inwall of close described resistance cylinders (3).
7. the swing hydraulic pressure drag devices of two-way resistance-adjustable according to claim 1, it is characterized in that: described control valve (5) comprises regulating wheel (4), described regulating wheel (4) is configured with adjusting rod (28) and regulates core (26), described adjustment core (26) is provided with adjustment hole (27), and described adjustment hole (27) is communicated with duct (24).
8. the swing hydraulic pressure drag devices of the two-way resistance-adjustable according to claim 1 or 7, is characterized in that: described control valve (5) is two, is separately positioned on oil storage cylinder (1) both sides.
9. the swing hydraulic pressure drag devices of two-way resistance-adjustable according to claim 1, it is characterized in that: between described resistance cylinders (3) and rotating shaft (6), be provided with end sealing shroud (9) and upper sleeve gasket (10), sealing shroud of the described end reclines the lower surface of fixed block (8) and movable block (11) respectively, and described upper sleeve gasket (10) reclines the upper surface of fixed block (8) and movable block (11) respectively.
10. the swing hydraulic pressure drag devices of two-way resistance-adjustable according to claim 1, is characterized in that: be provided with Connection Block (2) between described oil storage cylinder (1) and resistance cylinders (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210219274.0A CN102688581B (en) | 2012-06-29 | 2012-06-29 | Hydraulic swing resistance device capable of adjusting bidirectional resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210219274.0A CN102688581B (en) | 2012-06-29 | 2012-06-29 | Hydraulic swing resistance device capable of adjusting bidirectional resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102688581A CN102688581A (en) | 2012-09-26 |
| CN102688581B true CN102688581B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210219274.0A Expired - Fee Related CN102688581B (en) | 2012-06-29 | 2012-06-29 | Hydraulic swing resistance device capable of adjusting bidirectional resistance |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105315263B (en) * | 2014-07-30 | 2018-11-27 | 正大天晴药业集团股份有限公司 | The synthetic method of afatinib intermediate |
| CN106823250A (en) * | 2017-02-20 | 2017-06-13 | 浙江工业大学 | Climb training aids |
| CN106693274A (en) * | 2017-03-22 | 2017-05-24 | 杭州杭韵电器有限公司 | Swing-type damping device and fitness trainer |
| CN114917541B (en) * | 2022-06-21 | 2023-08-25 | 李国有 | Achilles tendon rehabilitation training device with dynamics regulatory function |
| CN115382152B (en) * | 2022-08-19 | 2023-06-02 | 南通铁人运动用品有限公司 | Vertical water resistance box and water resistance type sports equipment with same |
| WO2024067842A1 (en) * | 2022-09-29 | 2024-04-04 | 万勋科技(深圳)有限公司 | Damping mechanism providing resistance for exercise system, and exercise system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63315075A (en) * | 1987-03-03 | 1988-12-22 | タイタン フィットネス プロダクツ ピーティーワイ．リミテッド | Hydraulic apparatus for training |
| US5370592A (en) * | 1994-01-10 | 1994-12-06 | Cheng-Shiung Chang | Modified mechanism for the adjusting valve on the hydraulic cylinder of a stepper |
| CN2526037Y (en) * | 2002-02-26 | 2002-12-18 | 陈永财 | Oil resistance type resistance device |
| CN2562794Y (en) * | 2002-07-22 | 2003-07-30 | 赖铭宗 | Reciprocating movement device with back force function |
| CN202682652U (en) * | 2012-06-29 | 2013-01-23 | 杨红春 | Bidirectional resistance-adjustable hydraulic swing resistance device |
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2012
- 2012-06-29 CN CN201210219274.0A patent/CN102688581B/en not_active Expired - Fee Related
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| CN102688581A (en) | 2012-09-26 |
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Owner name: YANG HONGCHUN Effective date: 20141126 Owner name: ZHEJIANG INSTITUTE OF SPORTS SCIENCE Free format text: FORMER OWNER: YANG HONGCHUN Effective date: 20141126 |
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Effective date of registration: 20141126 Address after: 1006 room 212, sports building, 310000 Stadium Road, Hangzhou, Zhejiang Applicant after: Zhejiang Research Institute of Sports Science Applicant after: Yang Hongchun Address before: 1008 room 212, Sports Bureau 310000, Stadium Road, Xiacheng District, Hangzhou, Zhejiang Applicant before: Yang Hongchun |
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Effective date of registration: 20151218 Address after: 1006 room 212, sports building, 310000 Stadium Road, Hangzhou, Zhejiang Patentee after: Zhejiang Research Institute of Sports Science Address before: 1006 room 212, sports building, 310000 Stadium Road, Hangzhou, Zhejiang Patentee before: Zhejiang Research Institute of Sports Science Patentee before: Yang Hongchun |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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