CN2558410Y - Feet exercising device - Google Patents

Abstract

The utility model discloses a foot exercises device comprising a base, a control mechanism and a spin mechanism. The control mechanism has a positioning box arranged on the base, a rack which can be in back and forth sliding in the positioning box, a ratchet wheel arranged in the positioning box and correspondingly meshed with the rack, and a controlling handle which can be pivotally linked to control the gradual positioning rotation of the ratchet wheel. The spin mechanism has two geared toggle rods and two rotation rods. The geared toggle rods are respectively arranged on both sides of the rack, and each rotation rod fixed with the geared toggle rod is pivoted on the base. When in use, the operator sits on the base and both legs are disposed on two rotation rods. The controlling handle is pulled, thus the ratchet wheel is driven to rotate, so that the rack is correspondingly meshed and moved to be in back and forth sliding and the geared toggle rods can be in interrelated linkage. Therefore, the pivoted part is taken as a centre and two rotation rods can be in opposite spin, open and shutting.

Description

Expand the pin device

Technical field

The utility model relates to a kind of expansion pin device, particularly relates to a kind of exercise that is used for assisting both legs opening and closing lacing wire.

Background technology

As shown in Figures 1 and 2, expansion pin device 1 in the past comprises: two pivot connecting plates, 11,12, one solid pull bar 13 and two turn bars 14,15.This two pivots connecting plate 11,12 is upper and lower two every the right plate in Kongxiang.Should be installed in 11,12 of these pivot connecting plates by solid pull bar 13, and have the connecting end 131 that is bound up between these pivot connecting plate 11,12 central authorities, and hold 132 in contrast to the control of drawing of this connecting end 131.These turn bars the 14, the 15th are with respect to being journaled into to pull bar 13 swings 11,12 of two pivot connecting plates admittedly, be positioned at two opposition sides of this solid pull bar 13 placed in the middle respectively obliquely relatively, each turn bar 14,15 has one respectively and is journaled into 11,12 of these pivot connecting plates and is positioned at the pivot end 141,151 in these connecting end 131 outsides, and one support foot 142,152 in contrast to pivot end 141,151, the length of each turn bar 14,15 pull bar 13 admittedly is length, and with respect to solid pull bar 13 forks one angle.

In use, one operator sits to put being intended for and draws control end 132 and support foot 142, a front side of 152, and the instep of operator's both legs is resisted against these turn bars 14 respectively, 15 two support foot 142, an outer side edges of 152, jackknife and draw the control of drawing of solid pull bar 13 to hold 132 to hold, when the operator should be solid pull bar 13 further towards oneself, shorten these pivot connecting plates 11,12 with respect to the operator apart from the time, will these turn bars 14 of interlock, 15 with these pivot ends 141,151 open for the outside swing in center, make these support foot 142,152 push outer the opening of drive both legs in the lump struts, in order to the lacing wire campaign.

Though, above-mentioned expansion pin device 1 in the past, can be used to auxiliary both legs opening and closing lacing wire, yet but have following shortcoming in the use: the structure that expands pin device 1 is comparatively simple and crude, descend pivot connecting plate 12 in use, draw control end 132 and two to support each end points such as foot 142,152, all on-fixed strong points, and operator are sat the place of putting to ground is not had fixing point yet, therefore when using operation, be shifted easily and influence movement effects.In addition, expand the pin device and in the tension action, be not provided with the clip detent mechanism, thus when the operator because of both legs lacing wire pain or pull the application of force to cross serious offense of a specified duration when tingle, will consolidate pull bar 13 easily and decontrol, be difficult to reach the lacing wire effect, so expansion pin device still has shortcoming in the use.

The utility model content

Main purpose of the present utility model is to be to provide a kind of expansion pin device that can firmly accurately assist both legs opening and closing lacing wire.

A kind of expansion pin device of the present utility model comprises a pedestal, a controlling organization and two cycloidal mechanisms.This controlling organization have one be fixed in positioning box on the pedestal, front and back to pass positioning box and can a end face at pedestal on before and after the tooth bar, of slippage be installed in the positioning box and relatively bridle joint in the ratchet, of tooth bar be journaled in the positioning box and the locating piece of butted relatively ratchet, one can before and after pivot pendulum ground cover be held in positioning box outside the corresponding control that connects ratchet, one be installed in control and relatively hook to the ratchet of ratchet.This cycloidal mechanism is installed between controlling organization and pedestal, have two interlock toggle links and two turn bars, this two interlocks toggle link is installed in respectively on two opposition sides of this tooth bar, each interlock toggle link has one and is fixed in first section of this tooth bar, and one be articulated in first section second section, each turn bar have one and second section affixed and be articulated in termination section on this pedestal, an and swing section of extending forward from the termination section.Can draw control control handle during use, borrow ratchet to drive ratchet and rotate,, make the interlock of cycloidal mechanism, make the swing opening and closing relatively of these turn bars because of engagement plate and these interlock toggle links with slip before and after the relative bridle joint mobile rack.

Description of drawings

Below by most preferred embodiment and accompanying drawing expansion pin device of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the three-dimensional exploded view that in the past expanded the pin device.

Fig. 2 is the schematic top plan view that in the past expanded the pin device, illustrates that an operator sits the front side put expanding the pin device, concerns position and actuating state with respect to what expand the pin device.

Fig. 3 is the face upwarding stereogram of the utility model one possible embodiments.

Fig. 4 is the incomplete stereogram of the utility model one possible embodiments, and a tooth bar of a controlling organization on the pedestal and the relative position of a cycloidal mechanism are described.

Fig. 5 is a three-dimensional exploded view of the utility model one possible embodiments, and the controlling organization of this preferred embodiment is described.

Fig. 6 is a side cross-sectional schematic of the utility model one possible embodiments, and the controlling organization of this preferred embodiment is described.

Fig. 7 is the view that is similar to Fig. 6, and this controlling organization action relationships between each member when the control handle pushes away before fully is described.

Fig. 8 is a schematic top plan view of the utility model one possible embodiments, and operator's user mode is described.

The specific embodiment

For convenience of description, following embodiment, identical assembly is represented with identical label.

As shown in Figures 3 and 4, a preferred embodiment of the utility model expansion pin device is to comprise a pedestal 2, a controlling organization 3, a cycloidal mechanism 4 and a pad assembly 5.

This pedestal 2 is to be formed by a plurality of hack lever windings, and has up and down on sky opposed a hack lever 21, hack lever 22, and a plurality of upright supports once strut 23 21,22 of upper and lower hack levers.

As Fig. 5 and shown in Figure 6, this controlling organization 3 has a positioning box 31 that is fixed on following hack lever 22 leading portions of pedestal 2, one front and back to pass positioning box 31 and can a end face at hack lever 22 down on before and after the tooth bar 32 of slippage, one is installed in positioning box 31 interior and relative bridle joints in the ratchet 33 of tooth bar 32, one is journaled into the locating piece 34 that also fastens ratchet 33 in the positioning box 31 relatively, the elastic parts 35 of one contact between a front end of inwall of positioning box 31 and locating piece 34, one cover is held in the control of outer two sides corresponding to ratchet 33 of positioning box 31 36, one connect control 36 and ratchet 33 with the pivot 37 of synchronous actuating, one is journaled into control the ratchet 38 that supports in 36 and with respect to ratchet 33 hooks, and a corresponding cover is against ratchet 38 and controls torque spring 39 36.This positioning box 31 has front and back can be held room 311, a pair of two lateral margins from room 311 tops that tooth bar 32 wears slippage and upwards prolongs protruding lug 312 to connecting, reach one and prolong the antetheca 313 of a leading edge that is connected in these lugs 312, this has a location division 314 that is positioned at the place ahead to lug 312, and a pivot card division 315 that is positioned at these 314 rears, location division.This tooth bar 32 is formed with a plurality of equidistant double wedges 321 towards a upside of last hack lever 21.This ratchet 33 borrows pivot 37 encapsulations in this pivot card division 315 to 312 of lugs, these ratchet 33 circumferential surface have a plurality of latches 331 that are engaged in the double wedge 321 of tooth bar 32 relatively, can drive tooth bar 32 backwards when rotating relatively moves forward, ratchet 33 is then fastened by this locating piece 34 and does not rotate when rotating forward, so do not nibble transmission carry-over bar 32.This locating piece 34 is to borrow a locating shaft 341 to be journaled into this to 314 of location divisions, is positioned at ratchet 33 the place aheads, in the draw-in groove 342 that is connected in a latch 331 of ratchet 33 towards the rear end formation one of ratchet 33.These elastic parts 35 contacts are 34 of antetheca 313 and locating pieces, and contact makes locating piece 34 perseverances fasten to ratchet 33 correspondences.This control has the attachment 362 of a hand grip portion 361 and a fork branch to 36, and this hand grip portion 361 can be held for the operator and control, and attachment 362 then is installed in pivot 37.This ratchet 38 has one and borrows a sour jujube axle 383 to be articulated in the articulated section of controlling 36 381, reach a relative grab 382 that supports towards latch 331 hooks of ratchet 33, and this grab 382 has predetermined shape, can when moving down, push latch 331 downwards, make ratchet 33 rotations, when last moving, then cooperate to slide and skip these latches 331, and do not activate ratchet 33.This torque spring 39 is turned round relatively when control is waved 36 and is pressed ratchet 38 to support urgent ratchet 33.

As shown in Figures 3 and 4, this cycloidal mechanism 4 is installed in 2 of controlling organization 3 and pedestals respectively, and has an engagement plate 41, two interlock toggle links 42, two turn bars 43, and two fulcrums 44.This engagement plate 41 is installed in a stage casing of tooth bar 31, has two installing departments 411 that lay respectively at two sides of tooth bar 31.These interlock toggle links 42 are installed in respectively on two installing departments 411 of engagement plate 41, each interlock toggle link 42 has one and is articulated in first section 421 of installing department 411, and one be articulated in first section 421 and away from second section 422 of this installing department 411, the bending that can be pivoted relative to each other of this first and second section 421,422.These turn bars 43 all are elongate posts of extending forward, each turn bar 43 have one with second section 422 affixed termination section 431 of this interlock toggle link 42, an and swing section 432 of extending forward from a tail end of this termination section 431.Stretched through respectively this termination section 431 and being fixed on this pedestal 2 of these fulcrums 44, make these turn bars 43 can be respectively be center and swing with fulcrum 44.

As shown in Figure 3, this pad assembly 5 includes a cushion 51 and two foots pad 52.This cushion 51 is installed in a back segment of the last hack lever 21 of this pedestal 2, and the control that is positioned at this controlling organization 3 relatively can be sat 36 rear for the operator and put.52 of this two foots pad are installed in respectively on the swing section 432 of this cycloidal mechanism 4, can stride fork by putting for operator's both legs branch.Wherein, also can be respectively equipped with a guiding mechanism at this pedestal 2 and this cushion 51,52 of two foots pad, so as to adjust this cushion 51, two foots pad 52 are installed in the position on the pedestal 2, use to meet the long operator of different heights, pin.

As Fig. 4 and shown in Figure 8, when activating use, the operator can sit and put on this cushion 51, and both legs are bridged respectively to be positioned on two foots pad 52 of pedestal 2 two sides at this, and grip this control that is positioned at pedestal 2 central authorities 36 with hand, wave this control of push-and-pull back and forth 36 simultaneously.As Fig. 4 and shown in Figure 6, when drawing control that this control is put 36 after operator's direction, can drive this ratchet 38 is center back and swing downwards with this sour jujube axle 383, make this grab 382 these ratchet 33 pairing latches 331 of pushing and pressing downwards, is center rotation backwards clockwise and drive this ratchet 33 with this pivot 37,34 of this locating pieces are pushed away on the ratchet 33 and are that the center pushes back swing by this elastic parts 35 with this locating shaft 341, simultaneously this ratchet 33 also this tooth bar 32 of bridle joint to front slide, make this engagement plate 41 move forward, and these interlock toggle link 42 swings of interlock, make this first, two section 421,422 revolve in opposite directions and move, the swing section 432 of these turn bars 43 is the center with this fulcrum 44 respectively also simultaneously, swing relatively outwardly struts, and makes operator's both legs open lacing wire so as to band, as shown in Figure 8.Shown in the imaginary line among Fig. 6, when pushing away control when making this control, these locating piece 34 fastening ratchets 33 36 backswing forward, and ratchet 38 moves on driving, and grab 382 is slided and skipped these latches 331 at this moment, does not activate ratchet 33, and ratchet 33 piece 34 that is positioned fastens and does not rotate, so unlikely carry-over bar 32.Therefore back and forth repeat above-mentioned steps, can stablize the effect that the control both legs open lacing wire.

As shown in Figure 7, when folding, the operator need only will be controlled 36 forward swings to compressing locating piece 34, making locating piece 34 is the center with locating shaft 341, is suppressed on this antetheca 313 by swing forward, makes draw-in groove 342 leave the latch 331 of ratchet 33, make ratchet 33 freely pivot, this moment, the operator just can pass tooth bar 31 backward, and tooth bar 31 and relevant cycloidal mechanism 4 are resetted, and used so that restart.

Take a broad view of above-mentioned, structural feature of the present utility model, a kind of expansion pin device of practicality really can be provided, be meant a kind of exercise that is used for assisting both legs opening and closing lacing wire especially, the utility model is compared with expansion pin device 1 in the past, its advantage is: the control of controlling organization 3 on this pedestal 2, this two cycloidal mechanism 4 is supported to preposition relatively with angle ground synchronously, mechanism action is comparatively clear and definite, and the operator sits and puts a little and these foot pad 52 opening angles all have the location when using, in addition, the utility model supports the lacing wire better effects if by progressively fastening of mechanical type in operation.

Claims (6)

1. one kind is expanded the pin device, it is characterized in that comprising:

One pedestal;

One controlling organization, have one be fixed in positioning box on the pedestal, front and back to pass positioning box and can a end face at pedestal on before and after the tooth bar, of slippage be installed in the positioning box and relatively bridle joint in the ratchet, of tooth bar be journaled in the positioning box and the locating piece of butted relatively ratchet, one can before and after pivot pendulum ground cover be held in positioning box outside the corresponding control that connects ratchet, one be installed in control and relatively hook to the ratchet of ratchet; And

One cycloidal mechanism, it is installed between controlling organization and pedestal, have two interlock toggle links and two turn bars, this two interlocks toggle link is installed in respectively on two opposition sides of this tooth bar, each interlock toggle link has one and is fixed in first section of this tooth bar, and one be articulated in first section second section, each turn bar have one and second section affixed and be articulated in termination section on this pedestal, reach a swing section of extending forward from the termination section.

2. expansion pin device as claimed in claim 1 is characterized in that: this controlling organization also has one and is positioned at the elastic parts that this locating piece perseverance of this positioning box pushing tow fastens ratchet.

3. expansion pin device as claimed in claim 1 is characterized in that: this controlling organization also has a corresponding torque spring that is against between ratchet and control handle that overlaps.

4. expansion pin device as claimed in claim 1, it is characterized in that: each cycloidal mechanism also has one and is installed in the engagement plate that is positioned at the positioning box rear on the tooth bar, this engagement plate has two installing departments that lay respectively at two sides of tooth bar, and this two interlocks toggle link is journaled on the installing department respectively.

5. expansion pin device as claimed in claim 1 is characterized in that: this pedestal is formed by the winding of number hack lever, has hack lever, hack lever, and the strut of several upright supports between this upper and lower hack lever once on sky opposed up and down.

6. expansion pin device as claimed in claim 1, it is characterized in that: this expansion pin device also includes a pad assembly, the pad assembly has one and can sit the cushion put, and two can stride the foot pad of fork by putting for operator's both legs branch for an operator, this cushion is installed on the back segment of this pedestal, is positioned at the rear of the control handle of this controlling organization relatively; This two foot pad is installed in respectively on the two swing sections of this cycloidal mechanism.

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