CN204671802U - Exercise gymnastic device - Google Patents

Abstract

The utility model discloses a kind of exercise gymnastic device, it comprises sliding rail, sliding part, trackslip part and locating part.Sliding part is limited shift reciprocately on sliding rail, and sliding part comprises at least one fixing hole and articulated section.Trackslip part and sliding part interlock.The part that trackslips comprises multiple locating hole, rotating shaft and virtual extension line.Articulated section pivot joint rotating shaft.Virtual extension line is perpendicular to rotating shaft, and a virtual extension line angle crossing with the bearing of trend of sliding rail.Locating part runs through one of them locating hole and fixing hole, and the part that makes to trackslip is located along sliding rail slanted angle.Whereby, utilize locating part to run through locating hole and the fixing hole of ad-hoc location, the part that makes to trackslip can stably sloped position.And freely swung by the part that can make to trackslip that coordinates of arc track and locating part.In addition, the center of gravity of articulated section more presses close to sliding rail, not only stable but also safety.

Description

Exercise gymnastic device

Technical field

The utility model relates to a kind of exercise gymnastic device, and particularly a kind of tiltable is located and the exercise gymnastic device of energy free arc pendulum.

Background technology

Modern lives nervous and busy, all do not have the unnecessary time can arrive outdoor exercises, and just tangible mode of not moving can multiselect sometimes to run into bad weather when usually going back home.Therefore, have on the market and manyly of all kindsly can be used for indoor exercise gymnastic device and develop, it can put in family, fitness center or gymnasium be for user's sport and body-building.

The exercise gymnastic device of Traditional exercise arm, waist and belly comprised sliding rail, sliding part and locating part in the past.It reaches the effect of sport and body-building by the shift reciprocately of single direction.But this kind of exercise gymnastic device can only be taken exercises the muscle group at single position and cannot meet modern Man's Demands.In addition, although some exercise gymnastic device designs larger opereating specification, it is often difficult to operation, and the center of gravity adding this type of exercise gymnastic device is usually too high and optionally cannot adjust the scope of operation, therefore easily athletic injury is caused in use, as pulled, sprain or falling.

From the above, lack a kind of practicality in the market, simple to operate, security is high and the exercise gymnastic device that can freely swing or locate, therefore relevant industries personage is all seeking its solution.

Utility model content

Therefore, the purpose of this utility model is to provide a kind of exercise gymnastic device, thus overcomes some problems existed in prior art.

An embodiment of the present utility model is a kind of exercise gymnastic device, and it comprises sliding rail, sliding part, trackslip part and locating part.Sliding part is limited shift reciprocately on sliding rail, and sliding part comprises fixing hole and articulated section.Trackslip part and sliding part interlock.The part that trackslips comprises puts middle locating hole, multiple sloped position hole, rotating shaft and virtual extension line.Articulated section pivot joint rotating shaft.Virtual extension line is crossing perpendicular to rotating shaft and with putting middle locating hole.One of them sloped position hole is to a line angle crossing with virtual extension line of rotating shaft.Locating part runs through one of them sloped position hole and fixing hole, and the part that makes to trackslip is located along sliding rail slanted angle.

Whereby, exercise gymnastic device of the present utility model utilizes locating part to run through locating hole and the fixing hole of ad-hoc location, and the part that makes to trackslip can stably sloped position, with the muscle group at the single position of train body.

Other embodiments according to aforementioned embodiments are as follows: aforementioned angle can be greater than 0 degree and be less than or equal to 40 degree.Aforementioned sliding rail can comprise two sliding bars.These two sliding bars are arranged in a parallel, and at a distance of a track space.Articulated section can be allowed to force down by the track space of two sliding bar and make its center of gravity more press close to sliding rail, and then impelling sliding part can significantly improve stability and security with the part that trackslips when moving or rotating.In addition, articulated section is located between two sliding bars.Articulated section is hollow cylindrical and the external diameter of articulated section is less than track space.And rotating shaft is cylindric and the external diameter of rotating shaft is less than the internal diameter of articulated section.Moreover aforementioned sliding part can comprise top, two oblique portions, corresponding two protruding pinnas and lug connecting rods.Wherein top connection articulated section and offer fixing hole.Two oblique portions connect the relative both sides at top respectively.Each protruding pinna comprises lug hole, and two protruding pinnas protrude out from two oblique portions respectively.Lug connecting rod runs through lug hole, and cause lug connecting rod, top, two oblique portions and two protruding pinnas around formation opening, two sliding bars are arranged in opening.In addition, aforementioned sliding part can comprise at least two oblique bearings, and at least two oblique bearings are hubbed in two oblique portions respectively.Oblique bearing rolls respectively on two sliding bars, makes sliding part along sliding rail slippage.In addition, aforementioned sliding part can comprise at least two longitudinal bearings.Each longitudinal coaxial bearing is hubbed on lug connecting rod, and longitudinal bearing rolls respectively on two sliding bars, makes sliding part along sliding rail stably slippage.

Another embodiment of the present utility model is a kind of exercise gymnastic device, and it comprises sliding rail, sliding part, trackslip part and locating part.Wherein sliding part limited shift reciprocately on sliding rail, sliding part comprises at least one positioning seat, fixing hole and articulated section, and positioning seat comprises positioning seat fixing hole, and distance between seats is located at a distance of one in positioning seat and articulated section.Moreover trackslip part and sliding part interlock, the part that trackslips comprises puts middle locating hole, multiple sloped position hole, arc track, rotating shaft and virtual extension line.The wherein corresponding rotating shaft of arc track and with rotating shaft at a distance of an arc footpath, positioning seat spacing is identical with arc footpath, makes arc track correspondence positioning seat fixing hole.Articulated section pivot joint rotating shaft, virtual extension line is then crossing perpendicular to rotating shaft and with putting middle locating hole, and one of them sloped position hole is to a line angle crossing with virtual extension line of rotating shaft.Locating part runs through arc track and positioning seat fixing hole, makes the part limited arc pendulum on sliding part that trackslips.

Whereby, exercise gymnastic device of the present utility model utilizes special arc track, coordinates and runs through arc track and the locating part being fixed on positioning seat fixing hole, allow user freely swing the part that trackslips by the strength of waist and the lower part of the body in the process of operation.In addition, arc track can limit the arc swinging of the part that trackslips, can prevent user because of arc swinging excessive and injured.

Other embodiments according to aforementioned embodiments are as follows: aforementioned positioning seat can comprise positioning seat thickness, the degree of depth of the corresponding positioning seat fixing hole of this positioning seat thickness.The aforementioned part that trackslips can arc clockwise pendulum or arc counterclockwise pendulum relative to sliding part.The arc swinging of part of trackslipping is greater than 0 degree and is less than or equal to 80 degree, and angle is greater than 0 degree and be less than or equal to 40 degree.In addition, aforementioned sliding rail can have two sliding bars, and two sliding bars are arranged in a parallel and at a distance of a track space.Articulated section is located between two sliding bars.Articulated section is hollow cylindrical and the external diameter of articulated section is less than track space.Rotating shaft is cylindric and the external diameter of rotating shaft is less than the internal diameter of articulated section.Moreover aforementioned sliding part can comprise top, two oblique portions, corresponding two protruding pinnas and lug connecting rods.Wherein top connection articulated section and offer fixing hole.Two oblique portions connect the relative both sides at top respectively.Each protruding pinna comprises lug hole, and two protruding pinnas protrude out from two oblique portions respectively.Lug connecting rod runs through lug hole, and cause lug connecting rod, top, two oblique portions and two protruding pinnas around formation opening, two sliding bars are arranged in opening.In addition, aforementioned sliding part can comprise at least two oblique bearings, and oblique bearing is hubbed in two oblique portions respectively.Oblique bearing rolls respectively on two sliding bars, makes sliding part along sliding rail slippage.In addition, aforementioned sliding part can comprise at least two longitudinal bearings.Each longitudinal coaxial bearing is hubbed on lug connecting rod, and longitudinal bearing rolls respectively on two sliding bars, makes sliding part along sliding rail stably slippage.

The beneficial effects of the utility model are: utilize locating part to run through locating hole and the fixing hole of ad-hoc location, and the part that makes to trackslip can stably sloped position, with the muscle group at the single position of train body.Another object of the present utility model is, by special arc track, coordinates and runs through arc track and the locating part being fixed on positioning seat fixing hole, allow user freely swing the part that trackslips by the strength of waist and the lower part of the body in the process of operation.In addition, arc track can limit the arc swinging of the part that trackslips, can prevent user because of arc swinging excessive and injured.In addition, articulated section can be allowed to force down by the track space of two sliding bar and make its center of gravity more press close to sliding rail, and then impelling sliding part can significantly improve stability and security with the part that trackslips when moving or rotating.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of the exercise gymnastic device of the utility model one embodiment.

Fig. 2 A is the combination schematic diagram of the sliding rail of the exercise gymnastic device of Fig. 1, sliding part and the part that trackslips.

Fig. 2 B is the explosive view of the sliding rail of Fig. 2 A, sliding part and the part that trackslips.

Fig. 3 is the top view being positioned sliding part during the part that trackslips of Fig. 1 is put.

Fig. 4 is the sectional view of the hatching line 4-4 of Fig. 3.

Fig. 5 is the schematic diagram of the part sloped position of trackslipping of Fig. 1.

Fig. 6 is the schematic diagram of the part arc pendulum that trackslips of Fig. 1.

Fig. 7 is the sliding part of another embodiment of the utility model and the schematic diagram of the part that trackslips.

Fig. 8 is the sliding part of another embodiment of the utility model and the schematic diagram of the part that trackslips.

Detailed description of the invention

The following drawings illustrate multiple embodiment of the present utility model.As clearly stated, many concrete details will be explained in the following description.But should be appreciated that, these concrete details are not applied to limit the utility model.That is, in the utility model section Example, these concrete details are non-essential.In addition, for simplifying for the purpose of accompanying drawing, some existing usual structures and element represent in the mode simply illustrated in the accompanying drawings; And the element repeated may use identical numbering to represent.

See also Fig. 1 ~ 4.Fig. 1 is the schematic perspective view of the exercise gymnastic device 100 of the utility model one embodiment.Fig. 2 A is the combination schematic diagram of the sliding rail 200 of the exercise gymnastic device 100 of Fig. 1, sliding part 300 and the part 400 that trackslips.Fig. 2 B is the explosive view of the sliding rail 200 of Fig. 2 A, sliding part 300 and the part 400 that trackslips.Fig. 3 is the top view being positioned sliding part 300 during the part 400 that trackslips of Fig. 1 is put.Fig. 4 is the sectional view of the hatching line 4-4 of Fig. 3.As shown in the figure, exercise gymnastic device 100 comprise sliding rail 200, sliding part 300, the part 400 that trackslips, locating part 500 and support body 600.

Sliding rail 200 comprises two sliding bar 210a, 210b, two upper stop part 220a, 220b and two lower stop part 230a, 230b.Wherein two sliding bars 210a, 210b are arranged in a parallel and at a distance of a track space D1.Moreover two upper stop part 220a, 220b are located at the upper end of two sliding bars 210a, 210b respectively and are positioned at the below of two sliding bars 210a, 210b.Two upper stop part 220a, 220b in order to backstop sliding part 300 to top offset, in other words, the highest position that can only be displaced to stop part 220a, 220b of sliding part 300, and the height on two upper stop part 220a, 220b distance ground are identical.Relatively, two lower stop part 230a, 230b are located at the lower end of two sliding bars 210a, 210b respectively and are positioned at the top of two sliding bars 210a, 210b.Two lower stop part 230a, 230b in order to backstop sliding part 300 to bottom offset, that is the minimum position that can only be displaced to lower stop part 230a, 230b of sliding part 300, and the height on two lower stop part 230a, 230b distance ground is also identical.From the above, sliding part 300 can at upper stop part 220a, 220b and lower shift reciprocately between stop part 230a, 230b, and its inactive state (unused state) is for sliding part 300 is against lower stop part 230a, 230b.

Sliding part 300 is limited shift reciprocately on two sliding bars 210a, 210b.Sliding part 300 comprises 310, two, top oblique portion 320a, 320b, four oblique bearing 322a, 322b, 322c, 322d, four protruding pinna 330a, 330b, 330c, 330d, two lug connecting rod 340a, 340b, four longitudinal bearing 342a, 342b, 342c, 342d, two fixing hole 350a, 350b, articulated section 360 and positioning seats 370.Wherein top 310 is tabular and has upper and lower two planes, and the bearing of trend of these two planes is parallel with the bearing of trend of sliding bar 210a, 210b.Top 310 connects articulated section 360 and positioning seat 370, and offers two fixing holes 350a, 350b, and these two fixing holes 350a, 350b are all through two planes up and down at top 310.Moreover two oblique portions 320a, 320b connect relative two sides at top 310 respectively, and downward-sloping and formed trapezoidal along top 310 side.And oblique bearing 322a, 322b are hubbed on two oblique portions 320a, 320b respectively, and two oblique bearing 322a, 322b roll respectively obliquely on two sliding bars 210a, 210b, cause sliding part 300 along sliding rail 200 slippage.

In addition, the edge of oblique portion 320a protrudes out two protruding pinnas 330a, 330c, and the edge of oblique portion 320b protrudes out two protruding pinnas 330b, 330d.Protruding pinna 330a, 330b are corresponding each other, and protruding pinna 330c, 330d are corresponding each other.Protruding pinna 330a, 330b, 330c, 330d have lug hole 332a, 332b, 332c, 332d respectively.In addition, lug connecting rod 340a runs through two lug holes 332a, 332b, cause lug connecting rod 340a, 310, two, top oblique portion 320a, 320b and two protruding pinna 330a, 330b around formation opening, two sliding bars 210a, 210b are arranged in opening.In like manner, lug connecting rod 340b also runs through two lug holes 332c, 332d.In addition, two longitudinal bearing 342a, 342b are all coaxially hubbed on lug connecting rod 340a, and another two longitudinal bearing 342c, 342d are then coaxially hubbed on lug connecting rod 340b.And two longitudinal bearing 342a, 342c and two longitudinal bearing 342b, 342d are respectively at the scrolls beneath of two sliding bars 210a, 210b, this structure can allow sliding part 300 along sliding rail 200 stably slippage.Moreover articulated section 360 is located between two sliding bars 210a, 210b, and articulated section 360 is in hollow cylindrical.The external diameter of articulated section 360 is less than track space D1, therefore articulated section 360 can penetrate between two sliding bars 210a, 210b, make the center of gravity of articulated section 360 more press close to sliding rail 200, and then make sliding part 300 can significantly improve stability and security with the part 400 that trackslips when moving or rotating.In addition, positioning seat 370 comprises positioning seat fixing hole 372 and positioning seat thickness T.Positioning seat 370 is hollow cylindrical and protrudes out from top 310, and it has the effect of positioning limit part 500.And the degree of depth of positioning seat fixing hole 372 corresponding positioning seat thickness T, positioning seat thickness T can be greater than 0.5 centimeter and be less than 5 centimeters, and the positioning seat thickness of the present embodiment is 3 centimeters.In addition, distance between seats D2 is located at a distance of one in positioning seat 370 center and center, articulated section 360, and this positioning seat space D 2 is greater than the distance at fixing hole 350b center to center, articulated section 360.

The part 400 that trackslips comprises the body 410 that trackslips, rotating shaft 420, puts middle locating hole 430a, two sloped position hole 430b, 430c, virtual extension line 440, arc track 450 and butting sections 460.The affixed rotating shaft 420 of the body 410 that trackslips and for cuboid.Put locating hole 430a, two sloped position hole 430b, 430c and arc track 450 to be all located on the body 410 that trackslips and to run through the body 410 that trackslips.Virtual extension line 440 is rotating shaft 420 center and the line putting middle locating hole 430a center, and virtual extension line 440 is orthogonal with rotating shaft 420.In addition, rotating shaft 420 connects articulated section 360 pivotly, and makes by this pin-jointed structure trackslip part 400 and sliding part 300 interlock.Rotating shaft 420 is in cylindric, and the external diameter of rotating shaft 420 is less than the internal diameter of articulated section 360, rotating shaft 420 is penetrated group connect or extract out and separate articulated section 360 with person easy to use.Moreover sloped position hole 430b, 430c lay respectively at the relative both sides of virtual extension line 440.The wherein line at sloped position hole 430b center to a rotating shaft 420 center angle Θ crossing with virtual extension line 440; Similarly, the line at sloped position hole 430c center to rotating shaft 420 center and a virtual extension line 440 also crossing angle Θ.This angle Θ is greater than 0 degree and is less than or equal to 40 degree, and the angle Θ of the present embodiment is 21 degree.In addition, the corresponding rotating shaft 420 of arc track 450 and with rotating shaft 420 at a distance of an arc footpath D3, this arc footpath D3 is identical with the positioning seat space D 2 of sliding part 300, causes arc track 450 and positioning seat fixing hole 372 in correspondence with each other.In addition, knee can be supported butting section 460 by user, and forces in butting section 460 by the muscle strength of hand, waist and leg, and then link drives the trackslip rotation of part 400 and the slip of sliding part 300.

Locating part 500 has gag lever post and Handheld Division, and locating part 500 can be latch or T-piece.Wherein gag lever post is microscler round bar, and Handheld Division is spheroid.Because the CONSTRUCTED SPECIFICATION of locating part 500 is existing technology, therefore repeat no more.

Support body 600 comprises bracing frame 610, elbow butting section 620, handle 630 and electronic processors 640.Wherein bracing frame 610 support and connection sliding rail 200.Elbow butting section 620 connects the top of sliding rail 200, and handle 630 connects elbow butting section 620.Electronic processors 640 is electrically connected sliding part 300 and trackslips part 400.Because the joint detail of each parts of support body 600 and the Signal transmissions of electronic processors 640 control to be all existing technology, therefore repeat no more.

Fig. 5 is the schematic diagram of part 400 sloped position of trackslipping of Fig. 1.When locating part 500 runs through sloped position hole 430b and fixing hole 350b, the part 400 that trackslips can along sliding rail 200 counterclockwise slanted angle Θ and locating.On the contrary, when locating part 500 runs through sloped position hole 430c and fixing hole 350b, the part 400 that trackslips can along sliding rail 200 slanted angle Θ and locating toward the clockwise direction.By the location of above-mentioned two kinds of different directions, user can be allowed according to personal like to determine the body part that will train.

Fig. 6 is the schematic diagram of the part 400 arc pendulum that trackslips of Fig. 1.When locating part 500 runs through arc track 450 and positioning seat fixing hole 372, trackslip part 400 limited arc pendulum on sliding part 300, and the arc swinging of the part 400 that trackslips is the radian of the corresponding rotating shaft 420 of arc track 450.This arc swinging can be greater than 0 degree and be less than or equal to 80 degree, and it is the twice of angle Θ size.In addition, the part 400 that trackslips can clockwise or arc counterclockwise pendulum relative to sliding part 300, and user utilizes the strength of health can to control to trackslip the direction of part 400 arc pendulum, reaches the effect of sport and body-building whereby.

See also Fig. 2 B and Fig. 7.Fig. 7 is the sliding part 300a of another embodiment of the utility model and the schematic diagram of the part 400a that trackslips.Sliding part 300a comprises a fixing hole 350a, an articulated section 360 and three positioning seats 370a, 370b, 370c.The part 400a that trackslips then comprises the body 410 that trackslips, rotating shaft 420, puts middle locating hole 430a, two sloped position hole 430d, 430e, virtual extension line 440, three arc tracks 450a, 450b, 450c and butting sections 460.Wherein three positioning seat 370a, 370b, 370c corresponding three arc tracks 450a, 450b, 450c respectively, and three positioning seats 370a, 370b, 370c all have respective positioning seat fixing hole (not being shown in figure).Moreover, sloped position hole 430d, 430e are all identical with the size shape of sloped position hole 430b, 430c, just its position on sliding part 300a is different, sloped position hole 430b, 430c are positioned at the relative both sides of rotating shaft 420 with putting middle locating hole 430a, sloped position hole 430d, 430e then with the same side of putting middle locating hole 430a and be positioned at rotating shaft 420.It is worth mentioning that, the arc footpath (not being shown in figure) of three arc track 450a, 450b, 450c distances rotating shaft 420 is different, user can switch different arc track 450a, 450b, 450c via selection and allow arc swinging change, and then realizes the sport and body-building effect of varying strength.

See also Fig. 2 B and Fig. 8.Fig. 8 is the sliding part 300b of another embodiment of the utility model and the schematic diagram of the part 400b that trackslips.Sliding part 300b comprises fixing hole 350a, articulated section 360 and positioning seat 370.The part 400a that trackslips comprises the body 410 that trackslips, rotating shaft 420, puts middle locating hole 430a, two sloped position hole 430d, 430e, arc track 450 and butting sections 460.Wherein the corresponding arc track of positioning seat 370 450, two butting sections 460 are connected to the relative both sides of the body 410 that trackslips.The benefit of this kind of structure is that manufacturer can design hole more how miscellaneous or track on the body 410 that trackslips of formed objects, makes exercise gymnastic device 100 have abundant and changeable adjustment and selects.Moreover when butting section 460 is positioned at the relative both sides of the body 410 that trackslips, the centre of body weight of user when operating will more press close to sliding rail 200, can further improve stability and the security of exercise gymnastic device 100.It is worth mentioning that, butting section 460 and the syndeton of the body 410 that trackslips of Fig. 1 ~ 7 can be arranged to the butting section 460 of Fig. 8 and the syndeton of the body 410 that trackslips, and this kind of butting section 460 and the syndeton of the body 410 that trackslips can allow user at stable and sport and body-building under the situation of safety.

From above-mentioned embodiment, the utility model has following advantages: one, utilizes locating part to run through locating hole and the fixing hole of ad-hoc location, and the part that makes to trackslip can stably sloped position, with the muscle group at the single position of train body.Its two, by special arc track, coordinate and run through arc track and be fixed on the locating part of positioning seat fixing hole, allow user freely swing the part that trackslips by the strength of waist and the lower part of the body in the process of operation.Its three, arc track can limit the arc swinging of the part that trackslips, can prevent user because of arc swinging excessive and injured.Its four, articulated section can be allowed to force down by the track space of two sliding bar and make its center of gravity more press close to sliding rail, so impel sliding part with trackslip part mobile or rotate time can significantly improve stability and security.

Although the utility model with embodiment openly as above; so itself and be not used to limit the utility model; any those skilled in the art; not departing from spirit and scope of the present utility model; when doing various variation and retouching, therefore protection domain of the present utility model is when being as the criterion depending on the claim person of defining.

Claims (13)

1. an exercise gymnastic device, is characterized in that, described exercise gymnastic device comprises:

Sliding rail;

Sliding part, it is limited shift reciprocately on described sliding rail, and described sliding part comprises at least one fixing hole and articulated section;

Trackslip part, itself and described sliding part interlock, the described part that trackslips comprises puts middle locating hole, multiple sloped position hole, rotating shaft and virtual extension line, rotating shaft described in the pivot joint of described articulated section, described virtual extension line is perpendicular to described rotating shaft and with described to put middle locating hole crossing, sloped position hole described in one of them is to a line angle crossing with described virtual extension line of described rotating shaft; And

Locating part, it runs through sloped position hole described in one of them and described fixing hole, and the part that trackslips described in making to tilt described angle and locating along described sliding rail.

2. exercise gymnastic device as claimed in claim 1, it is characterized in that, described angle is greater than 0 degree and is less than or equal to 40 degree.

3. exercise gymnastic device as claimed in claim 1, it is characterized in that, described sliding rail comprises two sliding bars, described two sliding bars are arranged in a parallel and at a distance of a track space, described articulated section is located between described two sliding bars, described articulated section is hollow cylindrical and the external diameter of described articulated section is less than described track space, and described rotating shaft is the internal diameter that the external diameter of cylindric and described rotating shaft is less than described articulated section.

4. exercise gymnastic device as claimed in claim 3, it is characterized in that, described sliding part also comprises:

Top, it connects described articulated section, and described fixing hole is opened in described top;

Two oblique portions, it connects the relative both sides at described top respectively;

Two corresponding protruding pinnas, each described protruding pinna comprises lug hole, and described two protruding pinnas protrude out from described two oblique portions respectively; And

Lug connecting rod, it runs through described lug hole, and cause described lug connecting rod, described top, described two oblique portions and described two protruding pinnas around formation opening, described two sliding bars are arranged in described opening.

5. exercise gymnastic device as claimed in claim 4, it is characterized in that, described sliding part also comprises:

At least two oblique bearings, it is hubbed in described two oblique portions respectively, and described oblique bearing rolls respectively on described two sliding bars, makes described sliding part along described sliding rail slippage.

6. exercise gymnastic device as claimed in claim 4, it is characterized in that, described sliding part also comprises:

At least two longitudinal bearings, each described longitudinal coaxial bearing is hubbed on described lug connecting rod, and described longitudinal bearing rolls respectively on described two sliding bars, makes described sliding part along the stably slippage of described sliding rail.

7. an exercise gymnastic device, is characterized in that, described exercise gymnastic device comprises:

Sliding rail;

Sliding part, it is limited shift reciprocately on described sliding rail, and described sliding part comprises positioning seat, fixing hole and articulated section, and described positioning seat comprises positioning seat fixing hole, and distance between seats is located at a distance of one in described positioning seat and described articulated section;

Trackslip part, itself and described sliding part interlock, the described part that trackslips comprises puts middle locating hole, multiple sloped position hole, arc track, rotating shaft and virtual extension line, the corresponding described rotating shaft of described arc track and with described rotating shaft at a distance of an arc footpath, described arc footpath is identical with described positioning seat spacing, make the corresponding described positioning seat fixing hole of described arc track, rotating shaft described in the pivot joint of described articulated section, described virtual extension line is perpendicular to described rotating shaft and with described to put middle locating hole crossing, sloped position hole described in one of them is to a line angle crossing with described virtual extension line of described rotating shaft, and

Locating part, it runs through described arc track and described positioning seat fixing hole, and trackslip described in making part limited arc pendulum on described sliding part.

8. exercise gymnastic device as claimed in claim 7, it is characterized in that, described positioning seat also comprises positioning seat thickness, the degree of depth of the corresponding described positioning seat fixing hole of described positioning seat thickness.

9. exercise gymnastic device as claimed in claim 7, it is characterized in that, the described part that trackslips relative to described sliding part arc clockwise pendulum or arc counterclockwise pendulum, described in the trackslip arc swinging of part be greater than 0 degree and be less than or equal to 80 degree, described angle is greater than 0 degree and is less than or equal to 40 degree.

10. exercise gymnastic device as claimed in claim 7, it is characterized in that, described sliding rail has two sliding bars, described two sliding bars are arranged in a parallel and at a distance of a track space, described articulated section is located between described two sliding bars, described articulated section is hollow cylindrical and the external diameter of described articulated section is less than described track space, and described rotating shaft is the internal diameter that the external diameter of cylindric and described rotating shaft is less than described articulated section.

11. exercise gymnastic devices as claimed in claim 10, it is characterized in that, described sliding part also comprises:

Top, it connects described articulated section, and described fixing hole is opened in described top;

Two oblique portions, it connects the relative both sides at described top respectively;

Two corresponding protruding pinnas, each described protruding pinna comprises lug hole, and described two protruding pinnas protrude out from described two oblique portions respectively; And

Lug connecting rod, it runs through described lug hole, and cause described lug connecting rod, described top, described two oblique portions and described two protruding pinnas around formation opening, described two sliding bars are arranged in described opening.

12. exercise gymnastic devices as claimed in claim 11, it is characterized in that, described sliding part also comprises:

At least two oblique bearings, it is hubbed in described two oblique portions respectively, and described oblique bearing rolls respectively on described two sliding bars, makes described sliding part along described sliding rail slippage.

13. exercise gymnastic devices as claimed in claim 11, it is characterized in that, described sliding part also comprises:

At least two longitudinal bearings, each described longitudinal coaxial bearing is hubbed on described lug connecting rod, and described longitudinal bearing rolls respectively on described two sliding bars, makes described sliding part along the stably slippage of described sliding rail.