Shank stretching fitness equipment
[technical field]
The utility model relates to the technical field of body-building apparatus, particularly the technical field of shank stretching fitness equipment.
[background technology]
Now a lot of people have the worry of O type leg, X type leg, in body development malnutrition in period, long-term faulty posture, all can cause O type leg, X type leg to the incorrect firmly custom of shank etc.; Raising along with nationwide fitness programs consciousness, the kind of body-building apparatus is various day by day, as arm strength extension spring, dumbbell, pedal etc., but the equipment that shank is continued stretching is rarely found, rare especially at the equipment that O type leg and X type leg perform physical exercise, and a lot of shank stretching equipment lack simple and effective human body fixed structure, are difficult to shank is carried out the stretching of continuous and effective.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, a kind of shank stretching fitness equipment is proposed, be applicable to that foot stretches, by foot's fixed mechanism and fixedly waistband the people is fixed on foot's stretcher, prevent the people because the draw of shank stretcher and to front slide, be convenient to stretching that shank is continued, be conducive to improve the situation of shank O type leg and X type leg.
For achieving the above object, the utility model proposes a kind of shank stretching fitness equipment, comprise the shank drawing mechanism, foot's fixed mechanism, fixing waistband, some feets, some pin connect cover, backrest and some backrest connecting plates, the end of described shank drawing mechanism is equipped with foot's fixed mechanism, described fixedly waistband is installed in the both sides of shank drawing mechanism, be connected by the backrest connecting plate between described shank drawing mechanism and the backrest, fixedly mount between shank drawing mechanism and the backrest connecting plate, the rotatable installation between backrest and the backrest connecting plate, on the lower surface of described shank drawing mechanism feet is installed, connecing cover by pin between feet and the shank drawing mechanism is connected, pin connects between cover and the shank drawing mechanism and fixedly mounts, feet and pin connect rotatable installation the between the cover, and described feet and pin connect cover all four.
As preferably, described shank drawing mechanism comprises framework, operating portion, screw rod, roller and transmission mechanism, described screw rod is positioned on the framework, one end of described screw rod is provided with operating portion, described transmission mechanism is positioned at inside of frame, described transmission mechanism comprises first connecting rod, second connecting rod and roller bearing, the upper end of described first connecting rod is connected by first bearing pin with the upper end of second connecting rod, the lower end of described first connecting rod and the lower end of second connecting rod can be dynamically connected by roller bearing and screw rod respectively, the two ends of described roller bearing are installed with roller, described screw surface is provided with first screw thread and second screw thread, and the direction of the direction of described first screw thread and second screw thread is opposite.
As preferably, the other end of described screw rod is provided with quick operating portion, operating portion comprises rack, pinion, gear wheel and adjusting dwang fast, the other end of described pinion and screw rod is fixedly sleeved, rack 8 is fixedly mounted on the outside of framework, gear wheel is sleeved on the rack, fixedly connected adjusting dwang on the gear wheel, and engagement is installed between pinion and the gear wheel.
As preferably, described shank drawing mechanism also comprises and connects expansion link and be connected flexible interior bar, bar was set in and connects expansion link inside in described connection was flexible, offer some installing holes on the bar in described connection is flexible, offer installing hole on the described connection expansion link, bar was fixedlyed connected with second bearing pin by installing hole with being connected between the expansion link in described connection was flexible.
As preferably, described roller bearing is cylinder with threaded hole.
As preferably, fit and install in the base of described roller and framework.
As preferably, described fixedly waistband comprises adjusts band, two connecting bands, at least one adjusting button, junction button, two slip rings, one end of described two connecting bands is with to adjusting by the slip ring cross-under respectively, article two, the other end of connecting band carries out snapping by junction button or opens, and described adjustment is with being provided with the adjusting button that at least one can regulate the length of adjusting band.
As preferably, described foot fixed mechanism comprises some foot's fixed covers of going up, some foot's fixed covers down, some sleeves, fixed gear plate, fixed bar, fixing loop bar, pedal, kelly, regulating handle, connecting axle and spring, described pedal is fixedly mounted on the end that connects flexible interior bar, be installed with sleeve on the described fixedly loop bar, last foot fixed cover is sleeved on the sleeve, bar was installed with sleeve in described connection was flexible, following foot fixed cover is sleeved on the sleeve, described fixed gear plate is installed in the end that connects flexible interior bar, fixedly rotatable installation between loop bar and the fixed gear plate, fixed bar is sleeved on the fixedly inside of loop bar, regulating handle is installed in the upper end of fixed bar, one end of described kelly and the lower end of fixed bar are rotatable installs, the other end of kelly is stuck in the teeth groove of fluted disc, described connecting axle passes the middle part of kelly, the two ends of connecting axle are separately fixed on the outer wall of fixing loop bar, described spring is positioned at fixedly loop bar inside, one end of spring is connected with fixed bar, and the other end is connected with the fixing inwall of loop bar.
As preferably, also comprise the backrest adjuster, described backrest adjuster cooperates installation with backrest.
As preferably, described connection expansion link is connected with second connecting rod with first connecting rod.
The beneficial effects of the utility model: the utility model use fixedly waistband is fixing on the seat with human body, by adjusting button fixedly waistband be adjusted to suitable length, and with fixer for feet part foot is fixed, prevent that the people is to front slide, and by rotating operation portion, stretching and the contraction of transmission mechanism controlled in the rotation that drives screw rod, foot's fixed mechanism can be moved back and forth front and back, be applicable to the stretching that shank is continued, easy to use, the circulation and the bone growth that are conducive to blood between the shank bone are effectively corrected O type leg and X type leg.
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is the structural representation of the utility model shank stretching fitness equipment;
Fig. 2 is the fixedly waistband schematic diagram of the utility model shank stretching fitness equipment;
Fig. 3 is the shank drawing mechanism schematic diagram of the utility model shank stretching fitness equipment;
Fig. 4 is foot's fixed mechanism schematic diagram of the utility model shank stretching fitness equipment;
Fig. 5 is the A portion enlarged drawing of Fig. 4.
[specific embodiment]
Consult Fig. 1, Fig. 2, Fig. 4, Fig. 5, the utility model shank stretching fitness equipment, comprise the shank drawing mechanism, foot's fixed mechanism, fixedly waistband 16, some feets 20, some pin connect cover 21, backrest 22 and some backrest connecting plates 17, the end of described shank drawing mechanism is equipped with foot's fixed mechanism, described fixedly waistband 16 is installed in the both sides of shank drawing mechanism, be connected by backrest connecting plate 17 between described shank drawing mechanism and the backrest 22, fixed installation between shank drawing mechanism and the backrest connecting plate 17, the rotatable installation between backrest 22 and the backrest connecting plate 17, feet 20 is installed on the lower surface of described shank drawing mechanism, connecing cover 21 by pin between feet 20 and the shank drawing mechanism is connected, pin connects between cover 21 and the shank drawing mechanism and fixedly mounts, feet 20 and pin connect rotatable installation the between the cover 21, described feet 20 and pin connect cover 21 all four, described fixedly waistband 16 comprises adjusting is with 12, article two, connecting band 14, at least one adjusting button 11, junction button 15, two slip rings 13, one end of described two connecting bands 14 is with 12 by slip ring 13 cross-under to adjusting respectively, article two, the other end of connecting band 14 carries out snapping by junction button 15 or opens, described adjustment is provided with at least one with 12 can regulate the adjusting button of adjusting with 12 length 11, described foot fixed mechanism comprises some foot's fixed covers 81 of going up, some foot's fixed covers 82 down, some sleeves 83, fixed gear plate 84, fixed bar 85, fixedly loop bar 90, pedal 91, kelly 92 and regulating handle 93, described pedal 91 is fixedly mounted on the end that connects flexible interior bar 87, be installed with sleeve 83 on the described fixedly loop bar 90, last foot fixed cover 81 is sleeved on the sleeve 83, bar 87 was installed with sleeve 83 in described connection was flexible, following foot fixed cover 82 is sleeved on the sleeve 83, described fixed gear plate 84 is installed in the end that connects flexible interior bar 87, fixedly rotatable installation between loop bar 90 and the fixed gear plate 84, fixed bar 85 is sleeved on the fixedly inside of loop bar 90, regulating handle 93 is installed in the upper end of fixed bar 85, one end of described kelly 92 and the lower end of fixed bar 85 are rotatable installs, the other end of kelly 92 is stuck in the teeth groove of fluted disc 84, described connecting axle 94 passes the middle part of kelly 92, the two ends of connecting axle 94 are separately fixed on the outer wall of fixing loop bar 90, described spring 95 is positioned at fixedly loop bar 90 inside, one end of spring 95 is connected with fixed bar 85, the other end is connected with the fixing inwall of loop bar 90, also comprise backrest adjuster 23, described backrest adjuster 23 cooperates installation with backrest 22.
Consult Fig. 3, the shank drawing mechanism of the utility model shank stretching fitness equipment, comprise framework 4, operating portion 1, screw rod 5, roller 2 and transmission mechanism, described screw rod 5 is positioned on the framework 4, one end of described screw rod 5 is provided with operating portion 1, described transmission mechanism is positioned at the inside of framework 4, described transmission mechanism comprises first connecting rod 3, second connecting rod 10 and roller bearing 6, the upper end of described first connecting rod 3 is connected by first bearing pin 7 with the upper end of second connecting rod 10, the lower end of the lower end of described first connecting rod 3 and second connecting rod 10 can be dynamically connected by roller bearing 6 and screw rod 5 respectively, the two ends of described roller bearing 6 are installed with roller 2, described screw rod 5 surfaces are provided with first screw thread 51 and second screw thread 52, the direction of the direction of described first screw thread 51 and second screw thread 52 is opposite, the other end of described screw rod 5 is provided with quick operating portion, operating portion comprises rack 8 fast, pinion 9, gear wheel 18 and adjusting dwang 19, described pinion 9 is fixedly sleeved with the other end of screw rod 5, rack 8 is fixedly mounted on the outside of framework 4, gear wheel 18 is sleeved on the rack 8, fixedly connected adjusting dwang 19 on the gear wheel 18, engagement is installed between pinion 9 and the gear wheel 18, also comprise and connect expansion link 86 and be connected flexible interior bar 87, bar 87 was set in and connects expansion link 86 inside in described connection was flexible, offer some installing holes 88 on the bar 87 in described connection is flexible, offer installing hole 88 on the described connection expansion link 86, bar 87 passed through installing hole 88 and fixedlys connected with second bearing pin 89 with being connected in described connection was flexible between the expansion link 86, described roller bearing 6 is cylinder with threaded hole, described roller 2 is fitted with the base of framework 4 and is installed, and described connection expansion link 86 is connected with second connecting rod 10 with first connecting rod 3.
The utility model shank stretching fitness equipment in the course of the work, need fixedly waistband 16, the shank drawing mechanism, the shank fixed mechanism three use that cooperatively interacts, the user sits on the shank stretching fitness equipment, by regulating backrest adjuster 23, make backrest 22 be adjusted to comfortable position, both feet are stepped on the foot pedal 91, it is past drop-down with it to hold regulating handle 93, kelly 92 can be along the teeth groove of fluted disc 84 to lower slider when drop-down regulating handle 93, when pulling down to suitable position, stop drop-down regulating handle 93, kelly 92 will be fixed in the teeth groove of fluted disc 84 this moment, make foot's fixed mechanism that foot is fixed, the user is seated against backrest 22, buckle the junction button 15 on the fixing waistband 16, adjust the length of accommodation zone 12 by adjusting button 11, make that fixedly waistband 16 is fixed on the human body waist on the seat, the user just operates quick operating portion by the 1(of operating operation portion if need to regulate significantly then), driving screw rod 5 rotates, thereby drive roller bearing 6 transmissions, realize stretching or the contraction of operation transmission mechanism 17, thereby drive seesawing of foot's fixed mechanism, realize the effect of shank stretching, and O type leg and X type leg adjusted, after the user takes exercise and finishes, untie the junction button 15 on the fixing waistband 16, then regulating handle 93 is pressed down, an end that makes kelly 92 be connected with fixed bar 85 under the leverage of connecting axle 94 moves down, make the other end of kelly 92 leave teeth groove, thereby foot's fixed mechanism is unclamped, unclamp regulating handle 93 then, make regulating handle under the effect of spring 95, return to original position.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any scheme after the utility model simple transformation is all belonged to protection domain of the present utility model.