CN2198002Y - Anti-force device of body building device - Google Patents
Anti-force device of body building device Download PDFInfo
- Publication number
- CN2198002Y CN2198002Y CN 93243685 CN93243685U CN2198002Y CN 2198002 Y CN2198002 Y CN 2198002Y CN 93243685 CN93243685 CN 93243685 CN 93243685 U CN93243685 U CN 93243685U CN 2198002 Y CN2198002 Y CN 2198002Y
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- China
- Prior art keywords
- friction plate
- fitness equipment
- drive drum
- drive
- drag
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- Expired - Fee Related
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Abstract
The utility model relates to an anti-force device of a body building device, a susceptor is fixedly arranged on a body building device machine frame, and the susceptor is provided with stationary friction sheets in a sliding way. A movable friction sheet is arranged between every two stationary friction sheets, and the circumference of the movable friction sheet is convexly provided with a drive sheet. The susceptor is pivoted and sleeved with a drive drum, wherein, the drum part of which is wrapped and sleeved at the circumference of the movable friction sheet. The drum part is provided with a groove which is inserted and contained with the drive sheet of the movable friction sheet. The drive drum is provided with a unidirectional bearing additionally, the unidirectional bearing bears and transfers force application to the drive drum unidirectionally, and the unidirectional bearing generates idle rotation when rotates reversely. The susceptor is sleeved with a pressure spring which is pressed and bunted on the drive drum, and the susceptor is screwed with a rotary knob which presses and bunts the pressure spring. A reset spring is arranged between the machine frame and the bearing part of the unidirectional bearing.
Description
The utility model relates to a kind of fitness equipment drag device, particularly a kind of single effect frictional resistance device, and big drag can take place in it when the application of force, during release then with submissile power return, avoiding the generation of athletic injury, and exempt the generation of bump, noise and vibrations and weight reduction in a large number.
Industrial and commercial society, it is day by day busy to live, and majority's the CRUX time relatively is restricted gradually, can move indoor nearby to the people of outdoor exercises in order to have no time to these, has sports equipment miscellaneous to be developed.
Shown in Figure 1 is a kind of common fitness equipment, respectively is provided with a seat cushion 91,92 and back cushion 93,94 frame 90 forward and backward sides.Frame 90 front upper places be pivoted one can before and after the election mechanism 95 that swings, elect motion to be made for.The frame top is provided with one and draws act bar 96, can draw for staff and lift motion.Seat cushion 91 front ends be pivoted one can before and after pendulum bend and stretch mechanism 97, can do flexion and extension for foot.The frame bottom is established a dragline bar 98 in addition, can do the dragline motion for hand.Frame side after 90s top then is provided with a rotating pressure clamp mechanism 99, presses the folder motion to be made for.Hanging down in the middle of the frame 90 is provided with slide rail 100, is arranged with a plurality of counterweight counterweights 101 on it.Be slidingly equipped with a slide 102 on the slide rail 100 at counterweight 101 tops, its bottom protrudes out a connecting rod 103 through counterweight 101.Connecting rod is provided with several keyholes, can select to plug for a bolt handle 104.The counterweight 101 of bolt handle more than 104 is connected, so as to the size of adjustment movement drag with slide 102.Between the aforementioned movement mechanism 95,96,97,98,99 etc., more be located at fixed pulley 105, cable wire 106 on the frame 90, and movable pulley 107 is connected with slide 102 with array.Therefore as long as the user is operational movement mechanism, can drive slide 102 and predetermined counterweight counterweight 101 is made Slidng flipper, and reaches the purpose of body-building.
Thisly be used as the fitness equipment of drag with counterweight counterweight 101, can produce many shortcomings, that is exactly:
(1) heaviness: only those counterweight 101 gross weights reach 80kg, add upper spider 90 weight, and whole fitness equipment can reach more than the 100kg.Suitable heaviness singlely could move at all! Therefore at aspects such as transportation, stock, carrying, installation, displacements, all quite inconvenient, and uneconomical.
(2) lack experience and easily cause athletic injury: as the motion drag, in the action of the application of force and release, drag is all same big, therefore for the people who lacks experience or be short of physical strength, very easily causes pulled muscle with the gravity of counterweight 101.
(3) easily give birth to vibrations and noise: heavy counterweight 101 can produce bump when discharging, and noise and vibrations take place.Because shaking force is not little, makes it be unsuitable for being placed on the building,, and get off to make the floor be full of cracks to destroy for a long time because of meeting has a strong impact on neighbours' life!
(4) drag is regulated inconvenience: bolt handle 104 must be extracted during adjusting, be inserted in again in the keyhole of connecting rod 103, and inconvenient, and can't make stepless and regulate.
This counter weight type drag device no doubt has above-mentioned shortcoming, but owing to be the mechanical type design, compared with oil pressure drag device, has simple structure, and is durable, and therefore non-damageable advantage still has its practical value at present.If can innovative design go out a kind of shortcoming of eliminating counter weight type drag device, take into account the drag device of its simple structure, advantage such as durable simultaneously, be the design of better practicality naturally.For reaching this practical target, frictional resistance is that the utility model is considered the technology that adopts, and the frictional resistance principle no doubt is a prior art, but innovation ground with its concrete practicability be combined on the fitness equipment, be characteristics of the present utility model.
Main purpose of the present utility model is providing a kind of fitness equipment drag device, and its structure makes every effort to simple and practical, can submissile power return when releasing back, reducing the generation of athletic injury, and avoid bump, noise, vibrations, and weight reduction greatly.
Another purpose of the present utility model is to provide a kind of frictional resistance device of fitness equipment, and the retardance jitter when it can effectively subdue low speed friction makes and moves more steady and smooth, and can make friction regulate small quantization, and increases the service life.
Principal character of the present utility model is: set firmly a pedestal on the fitness equipment frame, be slidingly equipped with several on the pedestal and decide friction plate, decide to be pivoted with between friction plate movable friction plate in twos, the movable friction plate periphery convexes with driving chip, on the pedestal again pivot overlap a drive drum, the tympanic part of drive drum fits over the movable friction plate periphery, tympanic part offers groove, the driving chip that holds movable friction plate with embedding, establish unilateral bearing on the drive drum in addition, bear and transmit the application of force to drive drum with unidirectional, reversely then produce idle running, be arranged with the compression spring that is pressed against drive drum on the support, and spiral shell is provided with a knob that is pressed against compression spring, it is fixed to be pressed against with the adjusting compression spring, contact pressure between movable friction plate and drive drum, and between the load portion of frame and unilateral bearing, be provided with a back-moving spring.Whereby, the application of force can drive drive drum and movable friction plate through unilateral bearing, makes it produce drag with deciding the friction plate friction, and the pulling back-moving spring, and produces predetermined big drag, for the exercise health.When discharging the application of force, can borrow the elastic force of back-moving spring, with the unilateral bearing refoulement location of dallying, do not produce frictional resistance.
Another feature of the present utility model exists: it more is provided with a transport sector, mainly be on unilateral bearing, to be provided with a sprocket wheel, a drive sprocket is pivoted on frame, link with chain between drive sprocket and sprocket wheel, and coaxially on drive sprocket be provided with first, two cable pulleys, first cable pulley is connected with each motion of cable wire and fitness equipment, second cable pulley then with the back-moving spring interlock, and first cable pulley is set as little than drive sprocket, is transferred to the operator, the friction slip speed when improving running simultaneously so that frictional resistance is amplified, to subdue the retardance jitter that friction is at a slow speed produced, make to operate more steady and smooth, and can make friction regulate small quantization, and increase the service life.
Below by most preferred embodiment and accompanying drawing fitness equipment drag device of the present utility model is elaborated.In the accompanying drawing, Fig. 1 is a kind of existing counter weight type multi-gym structural map; Fig. 2 is the schematic diagram that the utility model embodiment is incorporated into fitness equipment; Fig. 3 is the stereogram of the utility model embodiment; Fig. 4 is the three-dimensional exploded view of the utility model embodiment.Fig. 5 is the assembled sectional view of the utility model embodiment; Fig. 6 is that the utility model embodiment transfers structural scheme of mechanism.
At first, see also Fig. 2.The fitness equipment of the utility model embodiment institute combination is haply with similar (being not limited to this pattern certainly) in the past.Be provided with seat cushion 91,92, back cushion 93,94 on the frame 90 equally, and elect mechanism 95, draw and lift bar 96, bend and stretch mechanism 97, dragline bar 98, press motion such as clamp mechanism 99.Motion 95,96,97,98,99 also is connected with drag device of the present utility model with array fixed pulley 105, cable wire 106 and movable pulley 107, makes when operational movement mechanism, also can produce drag, reaches the purpose of body-building.
Please cooperate and consult shown in Fig. 3～5, the drag device 10 of present embodiment, it by a: pedestal 1, several decide friction plate 2, several movable friction plates 3, a drive drum 4, a unilateral bearing 5, a governor motion 6, a drag transport sector 7 and a back-moving spring 8 and are formed.Pedestal 1 is provided with an affixed plate 11, and it is fixedly arranged on the center pillar 901 of fitness equipment frame 90 by bolt.Be horizontally set with a polygonal column jacket seat 12(on the fishplate bar 11 and be illustrated as hexagon prism), block set 12 front ends protrude out a fulcrum 13, and fulcrum 13 front ends form screw thread 14.
But then produce the bearing parts of idle running during unilateral bearing 5 to be a kind of forward transferring power reverse revolution.In order to reduce cost, avoid the overlapping investment manufacturing, the utility model is to adopt commercially available and inexpensive unidirectional flywheel (promptly being used in the One-way chain wheel on the bicycle) to replace.Be provided with a sprocket wheel 51 on the bearing 5 in addition, and cover is fixed on the embedding axle 43 of drive drum 4, to give drive drum 4 and movable friction plate 3 application of force unidirectional delivery of operation.
Governor motion 6 mainly comprises: one is sheathed on pedestal 1 fulcrum 13 and overlays and is sheathed on the compression spring 63, that spring base 62, on the thrust bearing 61 is sheathed on the spring base 62 in the thrust bearing 61, of drive drum 4 and is sheathed on compression spring 63 base 64 of end in addition, and a spiral shell is located on the fulcrum 13 outer end screw threads 14 and is pressed against knob 65 on the base 64.As long as rotation knob 65, can change the contact pressure that compression spring 63 is pressed against 4 of fixed, movable friction plate 2,3 and drive drums, thereby can regulate the size of frictional resistance.
Transfer mechanism 7, mainly be to be fixedly arranged on pivot seat 71, on frame 90 center pillars 901 by one to be hubbed at drive sprocket 72 on the pivot seat 71, a bridle joint chain 73 on 51 on drive sprocket 72 and sprocket wheel, and coaxial 74,75 formations of first and second cable pulley that are fixedly arranged on drive sprocket 72 1 sides.Winding one interlock is in the main cable 741 of each motion 95,96,97,98,99 of fitness equipment on first cable pulley 74, therefore during the actuating motion, get final product first and second cable pulley 74,75 of interlock, drive sprocket 72, chain 73, sprocket wheel 51, unilateral bearing 5, drive drum 4 and movable friction plate 3, and produce the friction effect of elastic resistance.
See also shown in Figure 6, first cable pulley 74 specially is designed to than drive sprocket 72 little (illustrating about 1:2), so can make 4 frictional resistances that produced of friction plate 2,3 and drive drum, be transferred to the operator through amplification, friction velocity when improving running simultaneously operates more steady and smooth to subdue the retardance jitter that friction is at a slow speed produced, to make, and can make friction regulate small quantization and increase the service life.Now illustrate with numerical example:
If the operator needs the drag of 50kg, amplification by drive sprocket 72 and 74 2:1 of cable pulley, as long as the drag device accesses the drag of 25kg, promptly meet demand, need not heighten 50kg, therefore can reduce the operating load of friction plate 2,3, thereby but life-saving, and make friction regulate small quantization.And after the coupling, the friction of movable friction plate 3 and drive drum 4 running stroke will double like this, and this makes friction slip speed also improve 2 times, and therefore the retardance jitter that rubs and produced at a slow speed can be eliminated, naturally so its superior practical value is arranged.
Back-moving spring 8 one ends are fixedly arranged on frame 90 tops, and end is connected on second cable pulley 75 of aforementioned transport sector 7 with a movable pulley 81 and cable wire 82 in addition.When operating the motion of fitness equipment, but interlock second cable pulley 75 stretching back-moving springs 8, then can borrow the elastic force of back-moving spring 8 that second, one cable pulley 75,74 and motion are retracted the location when releasing power, unilateral bearing 5 generation idle running this moment are not so produce frictional resistance.8 of second cable pulley 75 and back-moving springs are connected with movable pulley 81, can shorten the stretching travel of spring 8, the chance of avoiding fatigue rupture to produce.
See also shown in Fig. 2,3,5, the effect situation of the drag device of the utility model embodiment is: when user's operational movement mechanism 95 or 96,97,98,99, connection by cable wire 106, can drive main cable 741, first and second cable pulley 74,75, drive sprocket 72, chain 73, sprocket wheel 51, unilateral bearing 5, drive drum 4 and movable friction plate 3 successively, produce the friction drag and make drive drum 4, movable friction plate 3 and decide friction plate 2.Second cable pulley, 75 pulling back-moving springs 8 produce elastic resistance, therefore can produce predetermined big drag, with the exercise health.Need only simple rotation knob 65, can change the size of frictional resistance.And when the operator discharges the application of force, then can borrow the elastic force of back-moving spring 8, second, one cable pulley 75,74 and motion are retracted the location, unilateral bearing 5 generation idle running this moment, therefore do not produce frictional resistance, only, be short of physical strength or the issuable pulled muscle problem of lacking experience so can reduce, and close practicality with the submissile playback.
By above explanation as can be known, the utlity model has following advantage:
(1) in light weight: it is heavy that the utility model drag device can not surpass 8kg, alleviates weight more than 10 times! Therefore at aspects such as transportation, stock, carrying, installation, displacements, all more convenient, economical. The utility model can singlely be raised the other end to divide a word with a hyphen at the end of a line and move as long as add wheel 9 at frame 90 bottoms one end. Fitness equipment in the past can not have this advantage fully because of overweight.
(2) cause the possibility of athletic injury to reduce in a large number because lacking experience. Therefore drag device of the present utility model can produce predetermined big drag when the application of force, then with submissile power automatic homing, cause the situation of the athletic injury such as pulled muscle during release, can minimize.
(3) because friction produces drag, almost not vibrations and noise pollution, and because of in light weight, use so be highly advantageous to be placed on the building.
(4) drag is easy to adjust, and the rotation knob can the section of nothing be regulated drag size, more convenient practicality.
(5) because the retardance jitter when rubbing at a slow speed can be effectively subdued in the design of transport sector, make to operate more steady and smooth, and can make friction regulate small quantization, and increase the service life.
(6) belong to the mechanical type design, simple structure so fault rate is low, the life-span is long, does not have the shortcoming of hydraulic type with meeting leakage of oil for a long time.
In sum, fitness equipment drag device provided by the utility model on the kenel of structure space, is unprecedented innovation in the like product really, and can reaches its intended purposes.
Claims (4)
1, a kind of fitness equipment drag device, it is installed on the frame of fitness equipment, and with the motion interlock of fitness equipment, it is characterized in that: which comprises at least:
One is fixedly arranged on the pedestal on the fitness equipment frame, which is provided with block set, and the block set front end is convexly equipped with fulcrum, and the fulcrum front end forms screw thread;
A plurality ofly decide friction plate, they can move axially and slide on the block set un-rotatably;
A plurality of movable friction plates, its periphery convexes with driving chip at interval, is interval in rotationally to decide in twos between friction plate and pivot is enclosed within on the block set;
One drive drum, it is hubbed on the pedestal fulcrum, and the tympanic part of drive drum is sheathed on fixed, movable friction plate periphery, and the drive drum inner face overlays in deciding on the friction plate, offers groove on the tympanic part, and the driving chip with embedding appearance movable friction plate sends the application of force to movable friction plate;
One cover is fixed in the unilateral bearing on the drive drum, and it can unidirectionally bear and transmit the application of force to drive drum and movable friction plate, and to produce frictional resistance, reverse then the generation dallied, and frictional resistance does not take place; And
One governor motion, it is sheathed on the pedestal fulcrum by one and overlays compression spring in drive drum, reach the knob composition that a spiral shell is located on the screw thread of fulcrum outer end and is pressed against compression spring, the rotation knob can change compression spring and be pressed against contact pressure between fixed, movable friction plate and drive drum, thereby can be used to regulate the size of frictional resistance;
One back-moving spring, the one end is fixedly arranged on the frame, the other end then interlock in the load portion of unilateral bearing;
When operating the motion of fitness equipment, drive drive drum and movable friction plate through unilateral bearing, make with deciding the friction plate friction and produce drag, and spur back-moving spring, and produce predetermined big drag; When discharging the application of force, borrow the elastic force of back-moving spring, motion is retracted the location, and unilateral bearing idle running, do not produce frictional resistance.
2, according to the described fitness equipment drag of claim 1 device, it is characterized in that: the block set of pedestal is set as polygonal column type body, deciding friction plate is the rub resistance material formation that sets firmly great friction coefficient on the steel disk strengthening, a polygonal holes is offered at the friction plate center, supply orienting cover on block set, movable friction plate is that the steel disk by abrasion performance constitutes, and its center offers axis hole and pivot is placed on the block set.
3, according to the described fitness equipment drag of claim 1 device, it is characterized in that: governor motion is provided with thrust bearing and spring base between drive drum and compression spring, and is provided with a base between compression spring and knob.
4, according to the described fitness equipment drag of claim 1 device, it is characterized in that: described fitness equipment drag device more is provided with a transport sector, mainly be on unilateral bearing, to be provided with a sprocket wheel, a drive sprocket is pivoted on frame, link with chain between drive sprocket and sprocket wheel, and on drive sprocket coaxial first and second cable pulley that is provided with, first cable pulley is with each motion binding of cable wire and fitness equipment, second cable pulley then with the back-moving spring interlock, first cable pulley is little than drive sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93243685 CN2198002Y (en) | 1993-10-30 | 1993-10-30 | Anti-force device of body building device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93243685 CN2198002Y (en) | 1993-10-30 | 1993-10-30 | Anti-force device of body building device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2198002Y true CN2198002Y (en) | 1995-05-24 |
Family
ID=33817085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93243685 Expired - Fee Related CN2198002Y (en) | 1993-10-30 | 1993-10-30 | Anti-force device of body building device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2198002Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029045B (en) * | 2009-09-29 | 2012-02-22 | 上海理工大学 | Squatting and standing evaluation training bed |
| CN102028475B (en) * | 2009-09-28 | 2012-06-20 | 上海理工大学 | Squat-stand type lower limb function evaluating and exercising system |
| CN110038252A (en) * | 2019-03-26 | 2019-07-23 | 宁波凯普电子有限公司 | Portable body-building equipment |
-
1993
- 1993-10-30 CN CN 93243685 patent/CN2198002Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102028475B (en) * | 2009-09-28 | 2012-06-20 | 上海理工大学 | Squat-stand type lower limb function evaluating and exercising system |
| CN102029045B (en) * | 2009-09-29 | 2012-02-22 | 上海理工大学 | Squatting and standing evaluation training bed |
| CN110038252A (en) * | 2019-03-26 | 2019-07-23 | 宁波凯普电子有限公司 | Portable body-building equipment |
| CN110038252B (en) * | 2019-03-26 | 2024-04-09 | 宁波凯普电子有限公司 | Portable body-building equipment |
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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 |