CN102688581A - Hydraulic swing resistance device capable of adjusting bidirectional resistance - Google Patents

Hydraulic swing resistance device capable of adjusting bidirectional resistance Download PDF

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Publication number
CN102688581A
CN102688581A CN2012102192740A CN201210219274A CN102688581A CN 102688581 A CN102688581 A CN 102688581A CN 2012102192740 A CN2012102192740 A CN 2012102192740A CN 201210219274 A CN201210219274 A CN 201210219274A CN 102688581 A CN102688581 A CN 102688581A
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resistance
rotating shaft
adjustable
fixed block
hydraulic pressure
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CN2012102192740A
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CN102688581B (en
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杨红春
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Zhejiang Research Institute of Sports Science
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杨红春
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Priority to CN201210219274.0A priority Critical patent/CN102688581B/en
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Publication of CN102688581B publication Critical patent/CN102688581B/en
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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

The hydraulic pressure swing drag devices that a kind of two-way resistance is adjustable
Technical field
The present invention relates to a kind of variable resistance device, particularly relate to a kind of adjustable hydraulic pressure swing drag devices of two-way resistance that is widely used in 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 that helps the exerciser of strengthening physique.In order to satisfy the needs of taking exercise, existing exercising apparatus generally all need provide a certain amount of resistance, so that promote muscle power and toughness.People are in the exercise process, and the state of muscle is taking place 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 guarantee that the user can make things convenient for and regulate amount of resistance easily.Especially the resistance exercise apparatus that uses for the sportsman needs to adjust Resistance Value more accurately and conveniently, and tests training result repeatedly with this, also is beneficial to carrying out lateral comparison between the sportsman.This accurate repeatably amount of resistance adjustment effect is difficult to adopt the flowed friction system usually through adopting the exercising apparatus completion of magnetic resistance or windage.
At present disclosedly be used for that the device of adjustable resistance has publication number to be on the sports apparatus: the Chinese patent of CN1538860A " variable resistance device that is used for exercising apparatus "; This invention designed a main fluid chamber and within it near portion or designed an auxiliary chamber; The main fluid chamber is used for resistance to rotating mechanism being provided; Auxiliary chamber is used for regulating the interior Fluid Volume of main fluid chamber to regulate the size of resistance; This invention utilizes the flowed friction system to provide a cover donor to educate the variable resistance device that exercising apparatus uses; But the adjusting that the technical scheme that this invention provides can only the implement device overall resistance promptly can only provide the rotary resistance of a direction, can only carry out monolateral resistance exercise.This scheme can not satisfy the requirement that the adjustable resistance amount can both be provided when the needs rotating mechanism rotates and reverse in some physical trainings, and therefore, this type of apparatus generally need be equipped with two cover flowed friction systems; Use and keep in repair all inconveniences; And floor space is big, and cost is higher, is not suitable for promoting.
Summary of the invention
The present invention mainly is to the above-mentioned technical problem of existing in prior technology, and a kind of adjustable hydraulic pressure swing drag devices of two-way resistance of the resistance can regulate rotating mechanism respectively and rotate and reverse the time is provided.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals: the hydraulic pressure swing drag devices that a kind of two-way resistance is adjustable; Comprise oil storage cylinder and resistance cylinders; Said resistance cylinders inside center place is provided with rotating shaft; The external diameter of said rotating shaft is less than the internal diameter of said resistance cylinders; Be provided with fixed block between rotating shaft and the resistance cylinders inwall, said rotating shaft is provided with movable block, and said fixed block and movable block are with the airtight fluid containing cavity that is divided into first-class body cavity and two variable volume of second fluid cavity between said rotating shaft and the resistance cylinders; Said first-class body cavity bottom offers first spill port, and second fluid cavity bottom offers second spill port, between said two spill ports and the oil storage cylinder respectively passing hole channel be communicated with, said duct is provided with control valve.The present invention is arranged on the fluid cavity in the resistance cylinders in the rotating shaft and can be isolated into two airtight fluid chamber with the activity that rotating shaft is rotated through a fixed block and one, and each chamber is provided with a spill port respectively, and the effect that this structure reaches is following:
When rotating shaft was just changeed, the movable block in the rotating shaft received the resistance of first fluid chamber inner fluid, at this moment, through controlling the control valve that is provided with on the first spill port duct, regulated the aperture in corresponding backflow duct, i.e. the resistance that scalable rotating shaft is receiving when just changeing;
When rotating shaft was reversed, the movable block in the rotating shaft received the resistance of second fluid chamber's inner fluid, at this moment, through controlling the control valve that is provided with on the second spill port duct, regulated the aperture in corresponding backflow duct, i.e. the resistance that receives during scalable rotating shaft counter-rotating.
Therefore; Resistance size when hydraulic pressure that the two-way resistance of the present invention is adjustable swing drag devices uses a cover hydraulic means can regulate the exercising apparatus rotating mechanism respectively to rotate and reverse; Make this type of exercising apparatus when the different rotary state, different amount of resistance is provided for the user; Be the volume miniaturization of this type of exercising apparatus simultaneously, simple to operateization, cost is popular to provide technical support.
As preferably, said fixed block is fixedly mounted on the sidewall of resistance cylinders through the fixed block pin.Fixed block is installed on the resistance cylinders sidewall through the fixed block pin, and easy to assembly, intensity is higher.
As preferably, said fixed block is rectangular of fan-like pattern cross section, and its outer N-Side surf is near said resistance cylinders inwall, the inner curve said rotating shaft that reclines.The fixed block of this structure can cooperate with resistance cylinders and rotating shaft more closely, and two fluid cavitys are reached isolation effect preferably, satisfies the flexible rotation of rotating shaft simultaneously, and is simple and practical.
As preferably, said movable block is fixedly connected through the movable block pin with rotating shaft.Movable block is installed in the rotating shaft through pin, and is easy to assembly, and intensity is higher.
As preferably, said movable block is rectangular of fan-like pattern cross section, and its inner curve is near said rotating shaft, the outer N-Side surf said resistance cylinders inwall that reclines.The movable block of this structure can cooperate with resistance cylinders and rotating shaft more closely, and two fluid cavitys are reached isolation effect preferably, satisfies the flexible rotation of rotating shaft simultaneously, and is simple and practical.
As preferably, said two spill ports are separately positioned near the said fixed block both sides, and near the inwall of said resistance cylinders.Spill port preferably with the fixed block side as far as possible near, simultaneously with the resistance cylinders inwall as far as possible near, like this can be for rotating shaft provides between big as far as possible rotational area, satisfy it to the support that physical training is significantly moved, scientific and reasonable for structure.
As preferably, said control valve comprises regulating wheel, and said regulating wheel disposes adjusting rod and regulates core, and said adjusting core is provided with adjustment hole, said adjustment hole and oil return hole link.Regulating wheel can make things convenient for the user that control valve is operated, and also some decorative patterns can be set on it, makes operation more accurately easily.Regulate the adjustment hole that is provided with on the core with respectively with corresponding oil return hole link; Regulating core through regulating wheel control and regulation pole pair regulates; Make the aperture that overlaps in adjustment hole and oil return duct become big or diminish; The fluid that makes this oil return duct through the time pressure that needs become big or diminish, regulate resistance size that rotating shaft is rotated, simple in structure, advantages of small volume with this.
As preferably, said control valve is two, is separately positioned on the oil storage cylinder both sides.Two control valves that are arranged on the oil storage cylinder both sides are controlled the resistance size that rotates and reverse respectively, operate more convenient.
As preferably, be provided with end sealing shroud and upper sleeve gasket between said resistance cylinders and the rotating shaft, sealing shroud of the said end lower surface of fixed block and movable block that reclines respectively, recline the respectively upper surface of fixed block and movable block of said upper sleeve gasket.Being provided with of sealing shroud improved the sealing that resistance cylinders has just been put forward, and makes two fluid cavitys obtain better isolation effect.
As preferably, be provided with Connection Block between said oil storage cylinder and the resistance cylinders.Because on different exercisers; User's body posture has nothing in common with each other, and the position that is suitable for user's operation on this exerciser also has nothing in common with each other, therefore; The Connection Block of the present invention's design is that oil cylinder provides the installation carrier; Through adjustment to the Connection Block specification, can freely design the height of oil storage cylinder and control valve thereof, make it can satisfy the position that on different exercising apparatus, is fit to operation arbitrarily oil storage cylinder and control valve thereof are installed.
Resistance size when the present invention uses a cover hydraulic means can regulate the exercising apparatus rotating mechanism respectively and rotate and reverse makes this type of exercising apparatus when the different rotary state, for the user different amount of resistance is provided, and is the volume miniaturization of this type of exercising apparatus simultaneously; Simple to operateization, cost is popular to provide technical support, and the resistance that provides is flexible resistance; In use safety and comfort, noiselessness; Compact conformation, long service life, with low cost.
Description of drawings
Accompanying drawing 1 is the adjustable hydraulic pressure swing drag devices structural representation of a kind of two-way resistance of the present invention.
Accompanying drawing 2 is resistance cylinders cross-sectional view of the present invention.
Accompanying drawing 3 is resistance cylinders vertical view of the present invention.
Accompanying drawing 4 is movable block cutaway view of the present invention.
Accompanying drawing 5 is rotating shaft cutaway view of the present invention.
Accompanying drawing 6 is control valve cross-sectional view of the present invention.
Among the 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 blocks pin; 15 first-class body cavitys; 16 first spill ports; 17 second fluid cavitys; 18 second spill ports; 19 installing holes; 20 movable block pin-and-holes; 21 movable blocks pin; 22 install pin-and-hole; 23 rotating shaft dowel holes; 24 ducts; 25 regulate the core core print seat; 26 regulate core; 27 adjustment holes; 28 adjusting rods; 29 master reset springs; 30 spring-assisted reductions; Alignment pin 31.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, further bright specifically to technical scheme work of the present invention, obviously, described embodiment only is part embodiment of the present invention.
Embodiment 1:
Referring to accompanying drawing 1~6; The hydraulic pressure swing drag devices that a kind of two-way resistance of the present invention is adjustable comprises the oil storage cylinder 1 and resistance cylinders 3 that connects through Connection Block 2; Resistance cylinders 3 is provided with cylinder cap 7; Cylinder cap 7 is installed in through cylinder cap steady pin 12 on the sidewall of resistance cylinders 3, also is provided with 6 installing holes 19 on resistance cylinders 3 sidewalls and is used to install top cover.Cylinder cap 7 connects rotating shaft 6; Its connected mode is that rotating shaft 6 bottoms are provided with rotating shaft dowel hole 23, and cylinder cap 7 centers are 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 can freely rotate in resistance cylinders 3 less than the internal diameter of resistance cylinders 3.
Be provided with fixed block 8 between rotating shaft 6 and resistance cylinders 3 inwalls, fixed block 8 is fixedly mounted on the sidewall of resistance cylinders 3 through fixed block pin 14; Rotating shaft 6 is provided with movable block 11, and movable block 11 is provided with movable block pin-and-hole 20, and is fixedly connected through movable block pin 21 with installation pin-and-hole 22 in the rotating shaft 6.Fixed block 8 is rectangular of fan-like pattern cross section, and its outer N-Side surf is near said resistance cylinders 3 inwalls, the inner curve rotating shaft 6 that reclines, and movable block 11 is rectangular of fan-like pattern cross section, its inner curve is near said rotating shaft 6, outer N-Side surf said resistance cylinders 3 inwalls that recline.Fixed block 8 and movable block 11 are with the airtight fluid containing cavity that is divided into first- class body cavity 15 and 17 two variable volume of second fluid cavity between rotating shaft 6 and the resistance cylinders 3.
First-class body cavity 15 bottoms offer first spill port 16; Second fluid cavity, 17 bottoms offer second spill port 18; Between two spill ports and the oil storage cylinder 1 respectively passing hole channel 24 be communicated with, duct 24 is respectively arranged with 5, two control valves 5 of control valve and is separately positioned on the oil storage cylinder two ends.Control valve 5 is equipped with regulating wheel 4 through alignment pin 31; Regulating wheel 4 disposes adjusting rod 28 and regulates core 26; Regulate core 26 and be provided with adjustment hole 27, adjustment hole 27 is communicated with oil return duct 24, regulates core 26 1 ends and is connected with adjusting core core print seat 25 elasticity through spring-assisted reduction 30; The other end is connected with adjusting rod 28 elasticity through master reset spring 29; Adjusting rod 28 cooperates with regulating wheel 4 contact jaw surface helix, and adjustment hole 27 can be regulated core 26 through regulating wheel 4 28 pairs on control and regulation bars with the registration in oil return duct 24 and regulate, and makes the aperture that overlaps in adjustment hole 27 and oil return duct 24 become greatly or diminish; And then the fluid that makes this oil return duct through the time pressure that needs become big or diminish, regulate resistance size that rotating shaft is rotated with this.
Be provided with end sealing shroud 9 and upper sleeve gasket 10 between resistance cylinders 3 and the rotating shaft 6, recline the respectively lower surface of fixed block 8 and movable block 11 of end sealing shroud 9, recline the respectively upper surface of fixed block 8 and movable block 11 of upper sleeve gasket 10.Two sealing shrouds have improved the sealing that resistance cylinders has just been put forward, and make two fluid cavitys obtain better isolation effect.
In the use, when rotating shaft was just changeed, the movable block in the rotating shaft received the resistance of first fluid chamber inner fluid; At this moment; Through controlling the control valve that is provided with on the first spill port duct, regulate the aperture in corresponding backflow duct, i.e. the resistance that scalable rotating shaft is receiving when just changeing; When rotating shaft was reversed, the movable block in the rotating shaft received the resistance of second fluid chamber's inner fluid, at this moment, through controlling the control valve that is provided with on the second spill port duct, regulated the aperture in corresponding backflow duct, i.e. the resistance that receives during scalable rotating shaft counter-rotating.
Therefore; Resistance size when hydraulic pressure that the two-way resistance of the present invention is adjustable swing drag devices uses a cover hydraulic means can regulate the exercising apparatus rotating mechanism respectively to rotate and reverse; Make this type of exercising apparatus when the different rotary state, different amount of resistance is provided for the user; Be the volume miniaturization of this type of exercising apparatus simultaneously, simple to operateization, cost is popular to provide technical support.
Should be understood that the foregoing description only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.

Claims (10)

1. the adjustable hydraulic pressure of two-way resistance is swung drag devices; Comprise oil storage cylinder (1) and resistance cylinders (3); It is characterized in that: said resistance cylinders (3) inside center place is provided with rotating shaft (6); The external diameter of said rotating shaft (6) is less than the internal diameter of said resistance cylinders (3); Be provided with fixed block (8) between rotating shaft (6) and resistance cylinders (3) inwall, said rotating shaft (6) is provided with movable block (11), and said fixed block (8) and movable block (11) are with the airtight fluid containing cavity that is divided into first-class body cavity (15) and (17) two variable volume of second fluid cavity between said rotating shaft (6) and the resistance cylinders (3); Said first-class body cavity (15) bottom offers first spill port (16); Second fluid cavity bottom offers second spill port (18); Between said two spill ports and the oil storage cylinder (1) respectively passing hole channel (24) be communicated with, said duct (24) are provided with control valve (5).
2. the hydraulic pressure swing drag devices that two-way resistance according to claim 1 is adjustable, it is characterized in that: said fixed block (8) is fixedly mounted on the sidewall of resistance cylinders (3) through fixed block pin (14).
3. the hydraulic pressure swing drag devices that two-way resistance according to claim 2 is adjustable; It is characterized in that: said fixed block (8) is rectangular of the fan-like pattern cross section; Its outer N-Side surf is near said resistance cylinders (3) inwall, the inner curve said rotating shaft (6) that reclines.
4. the hydraulic pressure swing drag devices that two-way resistance according to claim 1 is adjustable, it is characterized in that: said movable block (11) is fixedly connected through movable block pin (21) with rotating shaft (6).
5. the hydraulic pressure swing drag devices that two-way resistance according to claim 4 is adjustable; It is characterized in that: said movable block (11) is rectangular of the fan-like pattern cross section; Its inner curve is near said rotating shaft (6), outer N-Side surf said resistance cylinders (3) inwall that reclines.
6. hydraulic pressure that two-way resistance according to claim 1 is adjustable swing drag devices, it is characterized in that: said two spill ports are separately positioned near said fixed block (8) both sides, and near the inwall of said resistance cylinders (3).
7. the hydraulic pressure swing drag devices that two-way resistance according to claim 1 is adjustable; It is characterized in that: said control valve (5) comprises regulating wheel (4); Said regulating wheel (4) disposes adjusting rod (28) and regulates core (26); Said adjusting core (26) is provided with adjustment hole (27), and said adjustment hole (27) is communicated with oil return duct (24).
8. according to claim 1 or the adjustable hydraulic pressure swing drag devices of 7 described two-way resistances, it is characterized in that: said control valve (5) is two, is separately positioned on oil storage cylinder (1) both sides.
9. the hydraulic pressure swing drag devices that two-way resistance according to claim 1 is adjustable; It is characterized in that: be provided with end sealing shroud (9) and upper sleeve gasket (10) between said resistance cylinders (3) and the rotating shaft (6); Recline the respectively upper surface of fixed block (8) and movable block (11) of recline the respectively lower surface of fixed block (8) and movable block (11) of sealing shroud of the said end, said upper sleeve gasket (10).
10. the hydraulic pressure swing drag devices that two-way resistance according to claim 1 is adjustable is characterized in that: be provided with Connection Block (2) between said oil storage cylinder (1) and the resistance cylinders (3).
CN201210219274.0A 2012-06-29 2012-06-29 Hydraulic swing resistance device capable of adjusting bidirectional resistance Expired - Fee Related CN102688581B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105315263A (en) * 2014-07-30 2016-02-10 正大天晴药业集团股份有限公司 Synthetic method for afatinib intermediate
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
CN106823250A (en) * 2017-02-20 2017-06-13 浙江工业大学 Climb training aids
CN114917541A (en) * 2022-06-21 2022-08-19 李国有 Achilles tendon rehabilitation training device with dynamics regulatory function
CN115382152A (en) * 2022-08-19 2022-11-25 南通铁人运动用品有限公司 Vertical water resistance tank 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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0355227A1 (en) * 1987-03-03 1990-02-28 Titan Fitness Products Pty. Ltd. Exercise means
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0355227A1 (en) * 1987-03-03 1990-02-28 Titan Fitness Products Pty. Ltd. Exercise means
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

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105315263A (en) * 2014-07-30 2016-02-10 正大天晴药业集团股份有限公司 Synthetic method for afatinib intermediate
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
CN114917541A (en) * 2022-06-21 2022-08-19 李国有 Achilles tendon rehabilitation training device with dynamics regulatory function
CN114917541B (en) * 2022-06-21 2023-08-25 李国有 Achilles tendon rehabilitation training device with dynamics regulatory function
CN115382152A (en) * 2022-08-19 2022-11-25 南通铁人运动用品有限公司 Vertical water resistance tank and water resistance type sports equipment with same
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

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