CN206526445U - Body-building device with automatic alternately lifting pedal - Google Patents

Abstract

The utility model belongs to body-building apparatus technical field, and in particular to the body-building device with automatic alternately lifting pedal.It is there is provided the technical scheme of use for the big deficiency of strong, noise of vibrating that existing stepping type physical relaxation device is present：Body-building device with automatic alternately lifting pedal, including bottom plate, left and right pedal, driving pedal alternately the Power Component of lifting, pedal is vertically directed guidance set, stand up load bearing spring between bottom plate and pedal, also include standing up the silencing spring for offsetting pedal impact between bottom plate and pedal, silencing spring is higher by load bearing spring, and silencing spring elastic force is much smaller than load bearing spring.Left and right pedal is respectively provided with load bearing spring and silencing spring in the utility model, when pedal is unloaded, when body-building device works, impact is can be without between pedal and silencing spring, avoid simultaneously or reduce impact of the pedal to load bearing spring, therefore can effectively reduce and be impacted between spring and pedal, noise is reduced, comfort level is improved.

Description

Body-building device with automatic alternately lifting pedal

Technical field

The utility model belongs to body-building apparatus technical field, and in particular to a kind of to have automatically the alternately body-building of lifting pedal Device.

Background technology

Authorization Notice No. discloses stepping type physical relaxation device, the device for CN104147758B Chinese invention patent Operation principle be：When Power Component works, driving wheel drives follower rotation by transmission belt, and then drives output shaft certainly Turn, realize the pivoting of cam；When the bottom surface of pedal offsets with the first arc-shaped side, pedal is as the rotation of cam is by first Gradually upward jack-up is to peak for arc-shaped side, and after the first arc-shaped side is left in the bottom surface of pedal, it is straight that pedal makees the movement of falling object Offseted to its bottom surface with the second arc-shaped side, pedal realizes the vertical displacement movement repeated with the pivoting of cam.Pedal is transported Dynamic amplitude peak is ultimate range of the arc-shaped side of cam first away from output shaft and minimum range of second arc-shaped side away from output shaft Range difference.Pedal maximum freely falling body displacement be pedal by pedal bottom during cam top to highest away from load bearing spring upper end away from From.

Said apparatus causes pedal alternately to lift automatically, what the human body stood on pedal can be circulated with pedal The movement of falling object, loosens, but still have the following disadvantages to human body waist and whole body：Although 1. there is provided slow Spring is rushed, but human body head oscillation intensity is still excessive when using, noise is still larger, and comfort level is low；2. lead is consolidated Due on bottom plate, linear bearing is fixed on pedal, and lead can externally protrude out in pedal, not only influences attractive in appearance, and there is safety Hidden danger；3. using V belt translation, have the shortcomings that device volume is larger and wait V belt translation；4. using packing ring adjustment freely falling body position Move, regulation is inconvenient and inaccurate；5. bottom plate is directly contacted with ground, the vibration to ground is big, influences periphery.

It is not enough above to solve, after attempting various structures, it is believed that original structure has improved space.

Utility model content

It is big, comfortable that the utility model vibrates strong, noise for the human body head that existing stepping type physical relaxation device is present The not enough of degree difference has automatically the alternately body-building device of lifting pedal there is provided a kind of, reduces human body head oscillation intensity, reduction is made an uproar Sound, improves motion comfort level.Further, the other deficiencies mentioned in background technology are solved.

To achieve the above object, the utility model is adopted the following technical scheme that：Body-building with automatic alternately lifting pedal Device, including bottom plate, left and right pedal, driving pedal replace the Power Component lifted, the guiding group being vertically directed to pedal Part, stand up load bearing spring between bottom plate and pedal, in addition to stand up being used between bottom plate and pedal and support The silencing spring of the pedal that disappears impact, silencing spring is higher by load bearing spring, and silencing spring elastic force is much smaller than load bearing spring.

Load bearing spring is mainly used in buffering impulsive force suffered after human body freely falling body.Silencing spring is mainly used in buffering and stepped on The impulsive force that plate falls, silencing spring elastic force is much smaller than load bearing spring, and more than the pedal impact that pedal whereabouts is produced when unloaded Power.To ensure relaxation effect, pedal has constant weight, in actual operation, and body-building device is often in Light Condition, It is unmanned i.e. on pedal to stand, or when stood on pedal people after, due to user's adjustment posture etc. so that pedal does not stress or hardly Stress.Middle left and right pedal only sets left and right pedal in load bearing spring, the utility model to be respectively provided with load bearing spring compared with prior art And silencing spring, when pedal is unloaded, when body-building device works, only silencing spring is compressed, and load bearing spring is in the raw Or be slightly compressed, because silencing spring elastic force is much smaller than load bearing spring, the vibration between pedal and silencing spring is much smaller than only Vibration when setting load bearing spring between load bearing spring and pedal, can effectively reduce the oscillation intensity between spring and pedal, reduction is made an uproar Sound, improves comfort level, while controlling cost.When pedal alternating lifting speed is accelerated, noise reduction becomes apparent.When by pedal Between silencing spring fixed heel with and it is dynamic, produced between pedal and silencing spring even without impact.

Preferably, setting swingable footing on bottom plate.The footing that can be waved or shake is set, can be reached relatively straight The straight line shock power of human body head is changed into the power of no number curve, significantly reduces human body head and is hit, and improves comfort level.Bottom Pin can be various swingable structures, can be level all directions it is swingable or can only level some or The structure that multiple directions are swung.

Preferably, setting four connecting plates stretched out on bottom plate, footing is installed on connecting plate, on elastic footing End face is higher than bottom plate bottom surface.To cause the swing effect of body-building device more notable, footing it is highly desirable larger, when footing is set When being placed in bottom plate bottom surface, the height of whole body-building device will be increased, the steady of body-building device is influenceed, footing is arranged at bottom plate Outside, the stationarity of body-building device is improved, while the swing effect of body-building device is increased, also avoids whole body-building device high The increase of degree.Footing can be made using the flexible material such as polyurethane, and be further added by footing in normal footing height Height, make footing that there is obvious horizontal hunting function, so that whole body-building device is when in use in each side of level To also having obvious natural oscillating function, motion comfort level and using effect are further improved, while can also reduce to ground Impact and influence to periphery.

Preferably, footing can make cylinder, it may include from bottom to up in cylindrical bottom portion, back taper portion, cylinder The structure such as portion and conical upper, to reach comparatively ideal swing effect.

Preferably, load bearing spring and silencing spring are disposed adjacent in pairs, and relative pedal centre is symmetrical arranged.Load-bearing Spring and silencing spring are disposed adjacent in pairs, rather than load bearing spring and silencing spring are stacked into setting or mutually suit, load-bearing Spring and silencing spring are respective easy to adjust, and manufacture easy to process；Load bearing spring and silencing spring are with respect to pedal centre It is symmetrical arranged, middle load bearing spring is arranged at the same one side of pedal compared with prior art so that pedal force is more uniform, buffer shock-absorbing Effect more preferably, improves comfort level.

Preferably, setting retreating mechanism below silencing spring.When in pedal is unloaded or the human body not work shape such as again During state, retreating mechanism can not produce displacement；When human body is heavier or human body is exerted oneself pedal, set and move back below silencing spring Mechanism, silencing spring is allowed to continue yielding before being fully compressed downwards, load bearing spring can be further compressed, it is to avoid noise reduction bullet Impact when spring compresses completely between pedal and silencing spring, reduces noise；The length of silencing spring can be smaller simultaneously.

When human body not weigh, freely falling body displacement it is little when, retreating mechanism can be not provided with, you can meet noise reduction, height regulation, Stroke etc. is made a concession to require.When user's weight is heavier on pedal or user exerts oneself pedal and retreating mechanism is not provided with, if noise reduction Its length is smaller, after silencing spring is fully compressed, and load bearing spring may still be not reaching to required decrement, now, Load bearing spring is needed to be further compressed, and because silencing spring has been fully compressed, load bearing spring can not be compressed again, pedal Impact sound reduction spring, vibration between pedal and silencing spring is strong, noise is big, and silencing spring is easily deformed, while limiting pedal Whereabouts amplitude, influence using effect.When user's weight is heavier on pedal or user exerts oneself pedal and it is not provided with yielding machine Structure, to obtain enough yielding strokes, silencing spring length is larger, and silencing spring needs relatively long distance to be compressed, and pedal is free Load bearing spring is easily impacted during falling bodies, loud noise is produced.When user's weight is heavier on pedal or user exerts oneself pedal And be not provided with retreating mechanism, to obtain enough yielding strokes, if increase silencing spring elastic force, pedal encounter load bearing spring it Before, silencing spring just produces larger power to pedal, reduces the relaxation effect of human body freely falling body.When be not provided with make a concession During mechanism, the height of silencing spring, elastic force are difficult to meet the actual demand such as noise reduction and amplitude regulation, reduce relaxation effect.

Preferably, retreating mechanism be compression spring mechanism, including with silencing spring elastic force identical compression spring.Make a concession Mechanism can also be cylinder etc., but the structure such as cylinder is complex, and reliability is poor.Retreating mechanism can also use poly- ammonia Ester material elastomeric material, which is provided, makes a concession stroke.Through repetition test, using compression spring mechanism as retreating mechanism, using with disappearing Sound spring force identical spring is as compression spring, and noise reduction and yielding effect are preferable.In holding state, the initial quilt of compression spring The maximum compression strength of silencing spring when compressing force is more than unloaded.If compression spring elastic force be less than silencing spring, when human body not Weight or human body do not exert oneself pedal when compression spring also often compressed, easily produce extra noise；If compression spring elastic force More than silencing spring, when compression spring is not yet fully compressed, silencing spring has been fully compressed, and produces loud noise.Compression Spring is used and silencing spring elastic force identical spring, it is ensured that the degree that both are compressed is identical, can be prevented effectively from complete compression When the noise that produces.

Preferably, compression spring mechanism includes setting in the cylinder of height adjustable and upper end open, cylinder and noise reduction The locating part for compressing compression spring that spring force identical compression spring, cylinder upper end are set.Bullet is compressed in original state Spring is compressed into its spring strength more than the maximum impact force that pedal zero load whereabouts is produced, and locating part can downwards be moved back with compression spring Allow.Adopt the structure and compress compression spring and spacing, it is simple in construction, it is easy to assembly.Cylinder heights are adjustable, can conveniently adjust Silencing spring relative altitude is saved, to adapt to different freely falling body displacements.

Preferably, load bearing spring upper end sets elastic buffer head, pedal bottom surface sets the positioning that can be inserted into silencing spring Part.By setting elastic buffer head in load bearing spring upper end, it is to avoid pedal directly impacts with load bearing spring, can further reduce Impact between pedal and spring, reduces noise；The keeper of silencing spring, silencing spring are can be inserted into by being set in pedal bottom surface Relative displacement is not produced between pedal, it is to avoid the impact between silencing spring and pedal.

Preferably, guidance set is symmetrical arranged with respect to pedal centre, including be arranged on bottom plate linear bearing, set The lead coordinated with linear bearing in pedal bottom surface.One group of guidance set, and left and right pedal are respectively provided with below the pedal of left and right Corresponding two groups of guidance set Central Symmetries.The linear bearing being directed in component is arranged on bottom plate, is directed to post and is arranged at Pedal bottom surface, rather than linear bearing is arranged on pedal, lead motion, linear bearing does not produce vertical motion, improves straight Bobbin holds service life；Lead will not externally protrude out in pedal upper surface, be not take up user and ride space and in the absence of potential safety hazard. Meanwhile, guidance set is symmetrical arranged rather than is arranged at pedal the same side with respect to pedal centre, and linear bearing is difficult, by torsion, to improve Linear bearing service life.

Preferably, Power Component includes the Worm reduction motor of dual output, Worm reduction motor output shaft Upper to set centrosymmetric two cams, output shaft two ends set rolling bearing units.Cam includes an outer flange, and outer flange is apart from defeated The distance of shaft gradually increases.Using the Worm reduction motor for the dual output being directly installed on bottom plate as power packages Part, compact conformation reduces body-building device volume.Although can also be adopted using other structures such as cylinders as Power Component Have the shortcomings that complicated, cost is high, control is complicated with other structures such as cylinders.

Left and right pedal is respectively provided with load bearing spring and silencing spring in the utility model, and when pedal is unloaded, body-building device works When, only silencing spring is compressed, and load bearing spring in the raw or is slightly compressed, because silencing spring elastic force is far small It can be close to follow and move between load bearing spring, and pedal and silencing spring, punching is can be without between pedal and silencing spring Hit, while avoiding or reducing impact of the pedal to load bearing spring, therefore can effectively reduce and be impacted between spring and pedal, reduction is made an uproar Sound, improves comfort level.When pedal lifting speed is accelerated, noise reduction becomes apparent.

Further, after each technical characteristic is combined, also have the advantages that：1. silencing spring, fixation are additionally set In pedal bottom surface and insert the keeper of silencing spring, be fixed on the buffer head of load bearing spring upper end, suffered by reduction human body head Impact, reduces noise, improves comfort level；2. four swingable elastic footing are set, by relatively straight up to the straight of human body head Line impulsive force is changed into the power of curve, significantly reduces human body head and is hit, while reduction is to the impact on ground and to periphery Influence；3. using the Worm reduction motor for the dual output being directly installed on bottom plate as Power Component, structure is tight Gather, reduce body-building device volume；4. freely falling body displacement is adjusted using screw rod, it is easy to adjust and can accurate adjustment；5. it will lead Linear bearing into component is arranged on bottom plate, is directed to post and is arranged at pedal bottom surface, linear bearing does not produce vertical motion, Improve linear bearing service life；Lead will not externally protrude out in pedal upper surface, be not take up user and ride space and in the absence of peace Full hidden danger；6. setting compression spring retreating mechanism below silencing spring, the demand of noise reduction and amplitude regulation is met.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment 1；

Fig. 2 be the utility model embodiment 1 without pedal when structural representation；

Fig. 3 is the structural representation of the bottom plate of the utility model embodiment 1；

Fig. 4 is the structural representation of the cam of the utility model embodiment 1；

Fig. 5 is the structural representation of the pedal of the utility model embodiment 1；

Fig. 6 is the structural representation of the footing of the utility model embodiment 1；

Fig. 7 is the decomposition texture schematic diagram of the load-bearing cushion component of the utility model embodiment 1；

Fig. 8 is the decomposition texture schematic diagram of the noise reduction Buffer Unit of the utility model embodiment 1；

Fig. 9 is the load-bearing cushion component of the utility model embodiment 2 and the structural representation of silencing spring；

Figure 10 is the load-bearing cushion component of the utility model embodiment 3 and the structural representation of silencing spring；

In figure, 1- bottom plates；

2- pedals；

3- Power Components；31- Worm reduction motors；32- output shafts；33- cams；34- rolling bearing units；35- metals Part；

4- guidance sets；41- linear bearings；42- leads；

5- load-bearing cushion components；51- load bearing springs；52- elastic buffer heads；

6- noise reduction Buffer Units；61- silencing springs；62- compression springs；63- cylinders；64- locating parts；65- keepers； 631- elongated holes；641- screwed holes；642- upper convex portions；Convex portion under 643-；

7- footing；71- cylindrical bottom portions；72- back tapers portion；73- cylindrical central parts；74- conical uppers；75- holes；

8 connecting plates；

9- rolling assemblies；91- mounting seats；92- installation axles；93- position-limited wheels；94- needle bearings.

Embodiment

With reference to the accompanying drawing of the utility model embodiment, the technical scheme to the utility model embodiment explain and Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the embodiment in embodiment, The other embodiment that those skilled in the art are obtained on the premise of creative work is not made, belongs to the utility model Protection domain.

As depicted in figs. 1 and 2, embodiment 1 of the present utility model, the body-building device with automatic alternately lifting pedal, bag Include bottom plate 1, left and right pedal 2, the Power Component 3 being arranged between bottom plate 1 and pedal 2, be arranged between bottom plate 1 and pedal 2 Guidance set 4, the load-bearing cushion component 5 being arranged on bottom plate 1 and noise reduction Buffer Unit 6, the connector stretched out from bottom plate 1 8th, the footing 7 set on connector 8.Power Component 3 includes the Worm reduction motor for being arranged at the dual output in the middle of bottom plate 1 31, centrosymmetric two cams 33 are set on Worm reduction motor output shaft 32, and the two ends of output shaft 32 set axle of usheing to seat Hold 34.Cam 33 is located at immediately below the center of pedal 2.Guidance set 4 is set with respect to the Central Symmetry of pedal 2, including is arranged at bottom Two linear bearings 41 on plate 1, the lead 42 coordinated with linear bearing 41 for being arranged at the bottom surface of pedal 2.Load-bearing cushion group Part 5 and noise reduction Buffer Unit 6 are adjacent, and the relative Central Symmetry of pedal 2 is set.Connector 8 be arranged on four angles of bottom plate 1 and Stretch out from the long side of bottom plate 1.The upper surface of footing 7 is higher than the bottom surface of bottom plate 1.

As shown in figure 3, the bottom plate of the utility model embodiment 1, bottom plate 1 is a rectangular slab, its four rounding of angle angles.Bottom plate Bearing block mounting hole, Worm reduction motor mounting hole, the mounting hole of linear bearing 71, load-bearing cushion component 5 is opened up on 1 to install Hole, the mounting hole of noise reduction Buffer Unit 63, the rectangular channel passed through for cam 33 and the mounting hole of connecting plate 10.Only denoted in figure straight Bobbin holds 71 mounting holes and the rectangular channel passed through for cam 33.

As shown in figure 4, the cam of the utility model embodiment 1, cam 33 is the cam that polyurethane material is made, cam 33 Also open up the axis hole for cam being fixed on output shaft 32, evagination on outer flange and interior concave edge including arc, cam 33 Side gradually increases to the distance of axis hole.Cam 33 and output shaft 32 are fixed by key.A metallic plate 35 is fixed in the inner side of cam 33, gold Category plate 35 outline is less than the outline of cam 33 and matched with the outline of cam 33.By setting metallic plate 35 so that cam 33 are unlikely to deform.There is a small arc-shaped changeover portion outer flange farthest with interior concave edge junction.

As shown in figure 5, the pedal of the utility model embodiment 1, pedal 2 is a rectangle pedal, four rounding of angle angles, and its is right The axis of linea angulata intersection point and output shaft 32 is located at same vertical plane.The bottom surface of pedal 2 sets two leads 42, two leads 42 Line passes through the diagonal intersection point of pedal 2.Lead 42 and pedal 2 can be fixed by the mode such as welding or being threadedly coupled. Two keepers 65 are also fixed in the bottom surface of pedal 2, and the line of two keepers 65 passes through the diagonal intersection point of pedal 2.Keeper 65 Insert in silencing spring 61 so that silencing spring 61 is positioned with pedal 2 by keeper 65, does not produce relative displacement.The bottom of pedal 2 Face also sets up the rolling assembly 9 that can coordinate with the outer flange of cam 33, and rolling assembly 9 includes mounting seat 91, fixing axle 92, position-limited wheel 93 and needle bearing 94.It 91 is symmetrical two mounting seats that mounting seat, which is, and position-limited wheel 93 is symmetrical two position-limited wheels, position-limited wheel 93 external diameters are more than the thickness that distance between the external diameter of needle bearing 94, two position-limited wheels 93 is more than cam 33.Mounting seat 91 is led to pedal 2 Cross threaded connection, or other fixed forms such as welding.Needle bearing 94 is arranged at the center of pedal 2, the phase of pedal 2 It is symmetrical to needle bearing 94.

Pedal 2 has constant weight, and body-building effect is not only influenceed when pedal 2 kicks the beam, and pedal 2 is by the jack-up of cam 33 Shi Rongyi bounces, and produces noise.The maximum freely falling body displacement of pedal 2 is that pedal 2 is pushed up to the bottom of pedal during highest 2 by cam 33 The distance of elastic buffer first 52 of the portion away from the upper end of load bearing spring 51.

As shown in fig. 6, the footing of the utility model embodiment 1, footing 7 is the footing 7 that polyurethane material is made, from it is lower to It is upper to include cylindrical bottom portion 71, back taper portion 72, cylindrical central part 73 and conical upper 74.Footing 7 can increase body-building device Horizontal jitter, reduce to the impulsive force on ground.The upper end of footing 7 opens up the hole 75 for being connected with connector 8, and the aperture of hole 75 is small In connection footing 7 and the screw diameter of connector 10.When the outer flange of cam 33 pushes up pedal 2 to highest, pedal 2 declines, and steps on Plate 2 has of short duration contact, the rotation direction instantaneous variation of needle bearing 94, if being not provided with elasticity with the arc transition section of cam 33 Footing 7, the power that instantaneous variation is produced directly can produce impact to the gear of worm-gear speed reducer, increase gear wear, pass through Footing 7 is set, row buffering can be entered to the power that gear is subject to, gear wear is reduced, increase Worm reduction motor 31 is used In the life-span, while reducing noise, improve comfort level.

As shown in fig. 7, the load-bearing cushion component of the utility model embodiment 1, load-bearing cushion component 5 includes screwing in bottom plate spiral shell Fixed spring base, the load bearing spring 51 being sleeved on spring base, peace on the nut that is set on the screw rod of pit, screw rod, screw rod Cone shaped elastic buffer head 52 loaded on the upper end of load bearing spring 51.Cone shaped elastic buffer head 52 is made up of polyurethane material, including one Lower convex portion, lower convex portion size is slightly larger than in the hollow bulb size of load bearing spring 52, lower convex portion insertion load bearing spring 51 so that Conical Projectile Property buffer head 52 is fixed with load bearing spring 51.Freely falling body displacement can be adjusted by adjusting screw rod.The length thrum spring of spring Free height, the distance of the height thrum spring opposed bottom of spring.

As shown in figure 8, the noise reduction Buffer Unit of the utility model embodiment 1, noise reduction Buffer Unit 6 includes screwing in bottom plate 1 Upper screwed hole and the screw rod fixed with the lower end of cylinder 63, screw rod are fixed with bottom plate 1 by nut.It can be adjusted by adjusting screw rod The height of cylinder 63.Compression spring 62 is installed, the locating part 64 that compression spring 62 is arranged at its upper end compresses in cylinder 63.Limit Screwed hole 641 is opened up on the part 64 of position, the side wall of cylinder 63 opens up vertical elongated hole 631, locating part 64 is by through elongated hole 631 and revolving The screw for entering screwed hole 641 is spacing.Locating part 64 includes upper convex portion 642 and lower convex portion 643.The upper surface of locating part 64 and cylinder 63 Upper surface is flushed, and the annular groove formed between upper convex portion 642 and cylinder 63 is used to install silencing spring 61.Compression spring 62 be with The elastic force identical spring of silencing spring 61, it can be enclosed on lower convex portion 643.Keeper 65 is fixed and the bottom surface of pedal 2, it is to avoid step on Plate 2 collides with keeper 65 or silencing spring 61, can reduce noise.

There is the people that stood on load i.e. pedal on pedal, when body-building device works, output shaft 32 rotates with moving cam 33, works as pedal When 2 bottom surface offsets with arc-shaped side, gradually upward jack-up is to peak by the arc-shaped side of cam 33 by pedal 2 and people, when pedal 2 Bottom surface is left after arc-shaped side, and pedal 2 makees the movement of falling object (power for ignoring the offer of silencing spring 61 compares human body weight) with people, Terminate freely falling body when load bearing spring 51 is encountered in the bottom surface of pedal 2, it continues to decline until load bearing spring 51 is compressed to necessarily Degree or pedal 2 are minimized after contradicting the interior concave edge 52 of cam 33, and pedal 2 realizes that what is repeated hangs down with the rotation of cam 33 Straight elevating movement.This section of whereabouts phase for encountering load bearing spring 51 to cause pedal 2 to be pushed up by cam 33 to peak to pedal 2 is basic Make the movement of falling object, the elastic force needs of silencing spring 61 are smaller；For ensure relaxation effect, pedal 2 (including install thereon its Its part) weight can not be too small, causes silencing spring 61 to need certain elastic force again；When pedal 2 is pushed up to highest by cam 33, Silencing spring 61 should not depart from pedal 2；To ensure to load on pedal when larger (human body is heavier or people exerts oneself pedal), hold Weight spring 51 can be by compression long enough so that the stroke of silencing spring 61 is longer；In summary Multiple factors and material, technique Deng noise reduction Buffer Unit 63 being set to the structure of the present embodiment, effect is preferable.

The utility model embodiment 1 is divided into three kinds of different courses of work.

The course of work one:When non-loaded on pedal 2, when body-building device works, output shaft 32 rotates with moving cam 33, when When the bottom surface of pedal 2 offsets with arc-shaped side, gradually upward jack-up is to peak by the arc-shaped side of cam 33 for pedal 2, when pedal 2 Bottom surface is left after arc-shaped side, and pedal 2 makees the movement of falling object until silencing spring 61 is compressed into certain value, and pedal 2 is with convex The vertical displacement movement repeated is realized in the rotation of wheel 33, in the process, load bearing spring 51 in the raw, only noise reduction bullet Spring 61 is compressed and length change.Disappear when being initially more than unloaded by compressing force due to compression spring 62 during 2 freely falling body of pedal The maximum compression strength of sound spring 61, it is therefore, unloaded in pedal 2, when body-building device works, compression spring 62 by compression degree not Become.

The course of work two:When having load on pedal 2 and human body is lighter, when body-building device works, output shaft 32 drives convex Wheel 33 rotates, when bottom surface and the arc-shaped side of pedal 2 offset, pedal 2 by the arc-shaped side of cam 33 gradually upward jack-up to highest Point, after arc-shaped side is left in the bottom surface of pedal 2, pedal 2 and human body make the movement of falling object until the bottom surface of pedal 2 is encountered load-bearing and delayed The cone shaped elastic buffer head 52 rushed on component 5, pedal 2 and human body continue to decline, and load bearing spring 51 is compressed into certain value, now Compression spring 2 does not continue compression, and pedal 2 does not encounter the interior concave edge of cam 33 yet, and pedal 2 is minimized, and pedal 2 is with cam The vertical displacement movement repeated is realized in 33 rotation.In the course of work two, compression spring 2 also can again be pressed with respect to original state Contracting certain value, but effect is not continued with respect to it and compresses weaker.

The course of work three:When having load on pedal 2 and human body is heavier or during firmly pedal 2, body-building device work When, output shaft 32 rotates with moving cam 33, when bottom surface and the arc-shaped side of pedal 2 offset, pedal 2 by the arc-shaped side of cam 33 by Gradually upward jack-up is to peak, after arc-shaped side is left in the bottom surface of pedal 2, and pedal 2 and human body make the movement of falling object until stepping on The cone shaped elastic buffer head 52 on load-bearing cushion component 5 is encountered in the bottom surface of plate 2, and pedal 2 and human body continue to decline, load bearing spring 51, Silencing spring 61, compression spring 62 are compressed, and pedal 2 is minimized.Pedal 2 realizes that what is repeated hangs down with the rotation of cam 33 Straight elevating movement.If during human body very weight or pedal 2 of exerting oneself very much, pedal 2 and human body decline, in load bearing spring 51, disappearing Before sound spring 61, compression spring 62 are fully compressed, when the needle bearing 64 of the bottom surface of pedal 2 encounters the interior concave edge of cam 33, Pedal 2 and human body drop to minimum, it is to avoid rigid shock produces loud noise when spring is fully compressed.

As shown in figure 9, the load-bearing cushion component and silencing spring of the utility model embodiment 2, the load-bearing cushion of embodiment 2 Component 5 is included in load bearing spring 51, the insertion load bearing spring 51 of silencing spring 61.Keeper 62 can be still set in the bottom surface of pedal 2, but It is that load-bearing cushion component 5 can not set elastic buffer first 61.Although embodiment 2 can also be by setting supernumerary structure to adjust respectively The height of load bearing spring 51 and silencing spring 61 is adjusted, but adjustment structure is more complicated, cost is higher, and regulation inconvenience.If Spring heights need not be adjusted, directly can be welded load bearing spring 51 and on bottom plate 1, load-bearing cushion component only includes load bearing spring 51.The noise reduction of embodiment 2 is not so good as embodiment 1.

As shown in Figure 10, the load-bearing cushion component and silencing spring of the utility model embodiment 3, the load-bearing of embodiment 2 is delayed Rushing component 5 includes load bearing spring 51, and silencing spring 61 is installed on the upper end of load bearing spring 51, and silencing spring 61 is volute spring.Still Keeper 62 can be set in the bottom surface of pedal 2, but load-bearing cushion component 5 is difficult to set elastic buffer first 61.Embodiment 2 can not divide The height of load bearing spring 51 and silencing spring 61 Tiao Zheng not adjusted.The noise reduction of embodiment 3 is not so good as embodiment 1.

In other embodiments, the noise reduction Buffer Unit 6 of 2 times settings of left and right pedal can not be set with respect to the Central Symmetry of pedal 2 Put, one group of noise reduction Buffer Unit 6 can be only set under left and right pedal 2, the scheme of other embodiments also has certain noise reduction.

More than, embodiment only of the present utility model, but protection domain of the present utility model is not limited thereto, It is familiar with the those skilled in the art and should be understood that the utility model includes but is not limited in accompanying drawing and above embodiment The content of description.Any modification without departing from function and structure principle of the present utility model is intended to be included in the model of claims In enclosing.

Claims (10)

1. the body-building device with automatic alternately lifting pedal, including bottom plate (1), left and right pedal (2), driving pedal (2) are alternately The Power Component (3) of lifting, the guidance set (4) being vertically directed to pedal (2), stand up bottom plate (1) and pedal (2) load bearing spring (51) between, it is characterised in that also supported including standing up being used between bottom plate (1) and pedal (2) The silencing spring (61) of the pedal (2) that disappears impact, the silencing spring (61) is higher by load bearing spring (51), the silencing spring (61) Elastic force is much smaller than load bearing spring (51).

2. as claimed in claim 1 have automatically the alternately body-building device of lifting pedal, it is characterised in that the bottom plate (1) It is upper that swingable footing (7) is set.

3. as claimed in claim 2 have automatically the alternately body-building device of lifting pedal, it is characterised in that the bottom plate (1) Set and set on four connecting plates (8) stretched out, the connecting plate (8) on elastic footing (7), the elastic footing (7) End face is higher than bottom plate (1) bottom surface.

4. the body-building device with automatic alternately lifting pedal as described in claims 1 to 3 is any, it is characterised in that described Load bearing spring (51) and silencing spring (61) are disposed adjacent in pairs, and relative pedal (2) Central Symmetry is set.

5. as claimed in claim 4 have automatically the alternately body-building device of lifting pedal, it is characterised in that the silencing spring (61) lower section sets retreating mechanism.

6. as claimed in claim 5 have automatically the alternately body-building device of lifting pedal, it is characterised in that the retreating mechanism For compression spring mechanism, including with silencing spring (61) elastic force identical compression spring (62).

7. as claimed in claim 6 have automatically the alternately body-building device of lifting pedal, it is characterised in that the compression spring Mechanism include setting in the cylinder (63) of height adjustable and upper end open, cylinder (63) with silencing spring (61) elastic force identical The locating part (64) for compressing compression spring (62) that compression spring (62), cylinder (63) upper end are set.

8. the body-building device with automatic alternately lifting pedal as described in claims 1 to 3 is any, it is characterised in that described Load bearing spring (51) upper end sets elastic buffer head (52), and pedal (2) bottom surface, which is set, can be inserted into determining for silencing spring (61) Position part (65).

9. the body-building device with automatic alternately lifting pedal as described in claims 1 to 3 is any, it is characterised in that described Guidance set (4) with respect to pedal (2) Central Symmetry set, including be arranged on bottom plate (1) two linear bearings (41), set The lead (42) coordinated with linear bearing (41) in pedal (2) bottom surface.

10. the body-building device with automatic alternately lifting pedal as described in claims 1 to 3 is any, it is characterised in that described Power Component (3) is arranged on bottom plate (1), includes the Worm reduction motor (31) of dual output, and the worm and gear slows down Centrosymmetric two cams (33) are set on motor output shaft (32), and output shaft (32) two ends set rolling bearing units (34)。