CN108245841B - A kind of dancing practice pressing-leg device - Google Patents

Abstract

A kind of dancing practice pressing-leg device, including pedestal, pedestal two sides are respectively articulated with installation activity plate, base top surface rear end opens up the first guide groove, every piece of movable plate top surface rear end opens up the second guide groove, second guide groove is communicated with inside the first guide groove respectively, vertical the first elevating lever with motor is fixedly mounted in bottom end inner wall in the middle part of first guide groove, horizontal sleeve is fixedly mounted in first elevating lever top, cooperation is equipped with two pieces of guide pads in first guide groove, and two pieces of guide pads are located at the two sides of the first elevating lever.It can be adjusted through the invention according to different dancing practitioner heights, meet different height dancing practitioner's use demands, the identical dancing practitioner of several heights is also able to satisfy simultaneously to be used in conjunction with, and the identical dancing practitioner of several heights can be made when in use, supporting leg can be defined, keep supporting leg perpendicular to the ground, supporting leg keeps straight configuration, to keep its leg pressing practice effect more preferable.

Description

A kind of dancing practice pressing-leg device

Technical field

The invention belongs to dancing exercise device field, pressing-leg device is practiced in specifically a kind of dancing.

Background technique

Currently, dancing practitioner, when leg pressing is practiced, wall side is usually fixedly mounted in leg pressing rod and height is fixed, and Dancing practitioner's height is all different, and when carrying out leg pressing practice, practitioner lower for height will be placed into pressure by leg pressing On leg bar, damage is easily caused, the health of practitioner is impacted, thus more inconvenient in use.

Summary of the invention

The present invention provides a kind of dancing practice pressing-leg device, to solve defect in the prior art.

The present invention is achieved by the following technical programs:

A kind of dancing practice pressing-leg device, including pedestal, pedestal two sides are respectively articulated with installation activity plate, base top surface rear end Open up the first guide groove, every piece of movable plate top surface rear end opens up the second guide groove, the second guide groove respectively with the first guide groove Inside communicates, and vertical the first elevating lever with motor, the first elevating lever is fixedly mounted in bottom end inner wall in the middle part of the first guide groove Horizontal sleeve is fixedly mounted in top, and cooperation is equipped with two pieces of guide pads in the first guide groove, and two pieces of guide pads are located at first The second vertical elevating lever, the fixed peace in every second elevating lever top is fixedly mounted in the two sides of elevating lever, every piece of guide pad top Horizontal inserted link is filled, one end of every root cutting bar can be inserted into sleeve, vertical by bearing activity installation in the middle part of base top surface The first screw rod with motor, the first screw rod is located at the front of the first elevating lever, and the first screw rod bottom end is fixedly mounted horizontal First sprocket wheel, the second horizontal sprocket wheel of activity installation, two the second sprocket wheels are located at the first sprocket wheel respectively for base top surface two sides Two sides, the first sprocket wheel is flexibly connected with the second sprocket wheel by a chain, and cooperation is equipped with nut on the first screw rod, the two of nut Side is hingedly connected one end of connecting rod, and the other end of every connecting rod and the loop bar top of second elevating lever hingedly connect It connects, the first horizontal helical gear is fixedly mounted in the rotary shaft top of each second sprocket wheel, and base top surface two sides are fixedly mounted respectively Riser, two pieces of risers are located in front of the first screw rod, the opposite face of two pieces of risers respectively by bearing activity installation it is horizontal the Two screw rods, the second screw rod are located at the bottom of riser, and the second screw rod is mutually perpendicular to the first screw rod, the rear end of every second screw rod The second vertical helical gear is fixedly mounted, each second helical gear can be engaged with corresponding first helical gear to be cooperated, and two pieces Horizontal guide rod is fixedly mounted in the opposite face of riser respectively, and guide rod is parallel to each other with the second screw rod, and guide rod is located at second The top of screw rod is equipped with vertical connecting plate between two pieces of risers, and connecting plate forward top two sides open up first through hole respectively, often Root guide rod can pass through a corresponding first through hole, and connecting plate front bottom two sides open up the first screw hole respectively, and every second Screw rod can pass through corresponding first screw hole and be threadedly engaged with the first screw hole, and quadrangle is fixedly mounted respectively before connecting plate Horizontal support rod, support rod are mutually perpendicular to connecting plate, pass through a water between every two support rods of same level Flat bar is fixedly connected, and horizon bar is located at the front of support rod, and two horizon bars are arranged above and below and are parallel to each other, and is set in front of connecting plate There is the long strip block that several piece is vertical, the side upper and lower ends of every piece of long strip block open up the second through-hole respectively, and every horizon bar can be worn Several second through-holes positioned at same level are crossed, strip grooves are opened up before long strip block, front of chassis opens up cavity, cavity rear end Horizontal slide bar is fixedly mounted in inner wall two sides respectively, and every slide bar front end is equipped with horizontal hollow motion bar, slide bar front end energy It is inserted into motion bar, telescopic rod is fixedly mounted in every motion bar front end, and telescopic rod is mutually perpendicular to motion bar, every telescopic rod Loop bar front passes through the third screw rod that bearing activity installation has motor respectively, and third screw rod is parallel to each other with telescopic rod, and every The both sides up and down of the loop bar other end of telescopic rod are hingedly connected one end of support plate, are articulated and connected with same root telescopic rod The opposite faces of two pieces of support plates open up sliding slot respectively, cooperation is equipped with sliding block in every sliding slot, passes through between every two pieces of sliding blocks A piece hinge bar articulated connection, a middle side part of every hinge bar open up the second screw hole, and every third screw rod can pass through corresponding Second screw hole.

Pressing-leg device is practiced in a kind of dancing as described above, and l-shaped rod, movable plate is fixedly mounted in the other end of the inserted link The other side link is fixedly mounted, l-shaped rod can pass through link.

Pressing-leg device is practiced in a kind of dancing as described above, and spongy layer is fixedly mounted in the telescopic rod other end.

A kind of dancing practice pressing-leg device as described above, the movable rod rear end outer wall fixed installation ball bearing, two It is fixedly connected between a ball bearing by fixed link, third screw hole is opened up in the middle part of fixed link front, is lived in the middle part of the inner wall of cavity rear end The 4th screw rod of dynamic installation, the 4th screw rod can pass through third screw hole and be threadedly engaged with third screw hole.

Pressing-leg device is practiced in a kind of dancing as described above, two pieces of risers respectively Gu Dinganzhuan number to side Root tilting bar, the other end of tilting bar are fixedly connected with the top surface of pedestal.

The invention has the advantages that dancing practitioner stretches the first elevating lever according to the height of practitioner when leg pressing is practiced Exhibition is shunk, and the height of sleeve is adjusted, and so that being placed on sleeve by leg pressing for practitioner is carried out leg pressing practice, height is identical Several dancing practitioners pass through nut by the first screw rod and cooperate with nut thread when leg pressing is practiced, nut and second liter It drops and is articulated and connected between bar by connecting rod, two elevating levers are located at the two sides of the first elevating lever, and the rotation of the first screw rod makes Nut is moved up along the first screw rod, and then two second elevating levers can be pushed mobile to pedestal two sides respectively, moves inserted link Sleeve out can satisfy more dancing practitioners and use, and the first screw rod is fixed with the first sprocket wheel to extend using length Connection, is flexibly connected between the first sprocket wheel and the second sprocket wheel by chain, and the rotation of the first screw rod drives the rotation of the first sprocket wheel, and leads to The connection for crossing chain drives the rotation of the second sprocket wheel, and the rotary shaft top of the second sprocket wheel is fixedly connected with the first helical gear, Jin Er The rotation of two sprocket wheels rotates the first helical gear, and the first helical gear engages cooperation with the second helical gear, and the second helical gear and the Two screw rods are fixedly connected, to finally drive the rotation of the second screw rod, and the second screw rod pass through the first screw hole and with the first screw hole It is threadedly engaged, guide rod passes through first through hole, and the rotation of the second screw rod can be such that connecting plate moves forward, and support rod and company Fishplate bar is fixedly connected, and support rod is fixedly connected with horizon bar, and it is several second logical to be placed through same level for every horizon bar Hole can be such that long strip block slides along horizon bar level, and open up strip grooves before long strip block, and the supporting leg of dancing practitioner can To be placed into strip grooves, while the knee of supporting leg also is located in strip grooves, and then can make the supporting leg of dancing practitioner It is perpendicular to the ground, supporting leg is stretched, auxiliary is provided to dancing practitioner, to make dancing practitioner's leg pressing practice effect more It is good, and slide bar is fixedly connected with cavity rear end inner wall, and slide bar is inserted into motion bar, and motion bar is fixedly connected with telescopic rod, When in use, telescopic rod is pulled out, is then turned down to vertical state, third screw rod passes through the second screw hole, the rotation of third screw rod Turn, hinge bar can be made to move up, overturn two pieces of support plates with hinge joint respectively, and form triangular structure, dancing is practiced Habit person can pin telescopic rod top end, so that dancing practitioner is stood in leg pressing more steady, avoid falling down, to make dancing practitioner It keeps stablizing in leg pressing practice, keeps it safer.It can be adjusted through the invention according to different dancing practitioner heights It is whole, meet different height dancing practitioner's use demands, while being also able to satisfy the identical dancing practitioner of several heights to make jointly With, and the identical dancing practitioner of several heights can be made when in use, supporting leg can be defined, make supporting leg and ground Face is vertical, and supporting leg keeps straight configuration, to keep its leg pressing practice effect more preferable, and draws telescopic rod in leg pressing practice Out and telescopic rod is made to keep vertical state, dancing practitioner buttresses telescopic rod, and dancing practitioner is made to keep steady in leg pressing practice It is fixed, dancing practitioner's tumble injury is prevented, the safety is improved to make it.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is structural schematic diagram of the invention；Fig. 2 is the direction view of the A of Fig. 1；Fig. 3 is the amplification of the direction view of the B of Fig. 1 Figure；Fig. 4 is the direction view of the C of Fig. 1.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.

A kind of dancing practice pressing-leg device, as shown, including pedestal 1,1 two sides of pedestal are respectively articulated with installation activity plate 2, 1 top surface rear end of pedestal opens up the first guide groove 3, and every piece of 2 top surface rear end of movable plate opens up the second guide groove 4, the second guide groove 4 It is communicated respectively with inside the first guide groove 3, first vertical with motor is fixedly mounted in 3 middle part bottom end inner wall of the first guide groove Horizontal sleeve 6 is fixedly mounted in elevating lever 5,5 top of the first elevating lever, and cooperation is equipped with two pieces of guide pads 7 in the first guide groove 3, Two pieces of guide pads 7 are located at the two sides of the first elevating lever 5, and the second vertical elevating lever is fixedly mounted in every piece of 7 top of guide pad 8, horizontal inserted link 9 is fixedly mounted in every second elevating lever, 8 top, and one end of every root cutting bar 9 can be inserted into sleeve 6, the One elevating lever 5 is fixedly connected with sleeve 6, and two root cutting bars 9 can be inserted into respectively in sleeve 6, and inserted link 9 and the second elevating lever 8 are fixed Connection, the stretching, extension of the first elevating lever 5 can make sleeve 6 and two root cutting bars 9 synchronize be raised above, and then according to the dancing of different heights Practitioner carries out height adjustment, enables preferably being placed on sleeve 6 by leg pressing for dancing practitioner, so as to meet difference The height demand of dancing practitioner, 1 top surface of pedestal middle part first screw rod 10 with motor vertical by bearing activity installation, First screw rod 10 is located at the front of the first elevating lever 5, and the first horizontal sprocket wheel 11, pedestal 1 is fixedly mounted in 10 bottom end of the first screw rod The second horizontal sprocket wheel 12 of activity installation, two the second sprocket wheels 12 are located at the two sides of the first sprocket wheel 11 respectively for top surface two sides, First sprocket wheel 11 is flexibly connected with the second sprocket wheel 12 by a chain, and cooperation is equipped with nut 13, nut 13 on the first screw rod 10 Two sides be hingedly connected one end of connecting rod 14, the other end of every connecting rod 14 and the loop bar of second elevating lever 8 Top articulated connection, the first screw rod 10 pass through nut 13 and are threadedly engaged with nut 13, lead between nut 13 and the second elevating lever 8 The articulated connection of connecting rod 14 is crossed, two elevating levers 8 are located at the two sides of the first elevating lever 5, and the rotation of the first screw rod 10 makes nut 13 move up along the first screw rod 10, and then two second elevating levers 8 can be pushed mobile to 1 two sides of pedestal respectively, make inserted link 9 Sleeve 6 is removed, to extend using length, meets more dancing practitioners and uses, the rotary shaft top of each second sprocket wheel 12 The first horizontal helical gear 15 is fixedly mounted, riser 16 is fixedly mounted in 1 top surface two sides of pedestal respectively, and two pieces of risers 16 are located at first 10 front of screw rod, the opposite face of two pieces of risers 16 pass through the second screw rod 17 of bearing activity installation level, the second screw rod respectively 17 are located at the bottom of riser 16, and the second screw rod 17 is mutually perpendicular to the first screw rod 10, the fixed peace in the rear end of every second screw rod 17 The second vertical helical gear 18 of dress, each second helical gear 18 can be engaged with corresponding first helical gear 15 to be cooperated, and first Screw rod 10 is fixedly connected with the first sprocket wheel 11, is flexibly connected between the first sprocket wheel 11 and the second sprocket wheel 12 by chain, the first spiral shell The rotation of bar 10 drives the rotation of the first sprocket wheel 11, and drives the rotation of the second sprocket wheel 12, the rotation of the second sprocket wheel 12 by the connection of chain Shaft top is fixedly connected with the first helical gear 15, and then the rotation of the second sprocket wheel 12 rotates the first helical gear 15, and first tiltedly Gear 15 engages cooperation with the second helical gear 18, and the second helical gear 18 is fixedly connected with the second screw rod 17, to finally drive Horizontal guide rod 19, guide rod 19 and second is fixedly mounted in the rotation of second screw rod 17, the opposite face of two pieces of risers 16 respectively Screw rod 17 is parallel to each other, and guide rod 19 is located at the top of the second screw rod 17, is equipped with vertical connecting plate 20 between two pieces of risers 16, 20 forward top two sides of connecting plate open up first through hole 21 respectively, and every guide rod 19 can pass through a corresponding first through hole 21,20 front bottom two sides of connecting plate open up the first screw hole 22 respectively, and every second screw rod 17 can pass through corresponding one first Screw hole 22 is simultaneously threadedly engaged with the first screw hole 22, and the second screw rod 17 passes through the first screw hole 22 and is threadedly engaged with the first screw hole 22, Guide rod 19 passes through first through hole 21, and the rotation of the second screw rod 17 can be such that connecting plate 20 moves forward, and drive other component It moves forward, horizontal support rod 21 is fixedly mounted in 20 front quadrangle of connecting plate respectively, and support rod 21 and connecting plate 20 are mutual Vertically, it is fixedly connected between every two support rods 21 of same level by a horizon bar 23, horizon bar 23 is located at branch The front of strut 21, two horizon bars 23 are arranged above and below and are parallel to each other, and the vertical long strip block of several piece is equipped in front of connecting plate 20 24, the side upper and lower ends of every piece of long strip block 24 open up the second through-hole 25 respectively, and every horizon bar 23 can be placed through same Several second through-holes 25 of horizontal plane open up strip grooves 26 before long strip block 24, and support rod 21 is fixedly connected with connecting plate 20, branch Strut 21 is fixedly connected with horizon bar 23, and every horizon bar 23 is placed through several second through-holes 25 of same level, can be with Make long strip block 24 along the horizontal sliding of horizon bar 23, and opens up strip grooves 26 before long strip block 24, the supporting leg of dancing practitioner It can be moved in strip grooves 26, be located at the knee of supporting leg in strip grooves 26, so that vertical long strip block 24 can be to dance The supporting leg for stepping practitioner is defined, and supporting leg is made to be in straight configuration always, and to dancing, practitioner is assisted, to reach The training effect practiced to leg pressing, cavity 27 is opened up before pedestal 1, and level is fixedly mounted in 27 rear end inner wall two sides of cavity respectively Slide bar 28, every 28 front end of slide bar are equipped with horizontal hollow motion bar 29, and 28 front end of slide bar can be inserted into motion bar 29, and every Telescopic rod 30 is fixedly mounted in 29 front end of motion bar, and telescopic rod 30 is mutually perpendicular to motion bar 29, before the loop bar of every telescopic rod 30 Side passes through the third screw rod 32 that bearing activity installation has motor respectively, and third screw rod 32 is parallel to each other with telescopic rod 30, and every The both sides up and down of the loop bar other end of telescopic rod 30 are hingedly connected one end of support plate 31, cut with scissors with same root telescopic rod 30 The opposite face of the two pieces of support plates 31 connect in succession opens up sliding slot 33 respectively, cooperates in every sliding slot 33 and is equipped with sliding block 34, and every two It is articulated and connected between block sliding block 34 by a hinge bar 35, a middle side part of every hinge bar 35 opens up the second screw hole 36, often Root third screw rod 32 can pass through corresponding second screw hole 36, and slide bar 28 is fixedly connected with 27 rear end inner wall of cavity, and slide bar 28 is inserted into To motion bar 29, motion bar 29 is fixedly connected with telescopic rod 30, when in use, telescopic rod 30 is pulled out, is then turned down To vertical state, third screw rod 32 passes through the second screw hole 36, and third screw rod 32 rotates, hinge bar 35 can be made to move up, made Two pieces of support plates 31 are overturn respectively with hinge joint, and form triangular structure, and dancing practitioner can pin 30 top of telescopic rod, So that dancing practitioner is stood in leg pressing more steady, avoids falling down.Dancing practitioner is when leg pressing is practiced, according to the height of practitioner So that the first elevating lever 5 is stretched or is shunk, adjusts the height of sleeve 6, being placed on sleeve 6 by leg pressing for practitioner is enable to press Leg practice, the identical several dancing practitioners of height pass through nut 13 and and nut when leg pressing is practiced, through the first screw rod 10 13 are threadedly engaged, and are articulated and connected between nut 13 and the second elevating lever 8 by connecting rod 14, and two elevating levers 8 are located at the The two sides of one elevating lever 5, the first screw rod 10 rotation, move up nut 13 along the first screw rod 10, and then can push two Second elevating lever 8 is mobile to 1 two sides of pedestal respectively, and inserted link 9 is made to remove sleeve 6, to extend using length, can satisfy more Dancing practitioner uses, and the first screw rod 10 is fixedly connected with the first sprocket wheel 11, between the first sprocket wheel 11 and the second sprocket wheel 12 It is flexibly connected by chain, the rotation of the first screw rod 10 drives the rotation of the first sprocket wheel 11, and drives the second chain by the connection of chain 12 rotation of wheel, the rotary shaft top of the second sprocket wheel 12 is fixedly connected with the first helical gear 15, and then the rotation of the second sprocket wheel 12 makes The rotation of first helical gear 15, the first helical gear 15 engage cooperation, and the second helical gear 18 and the second screw rod with the second helical gear 18 17 are fixedly connected, to finally drive the rotation of the second screw rod 17, and the second screw rod 17 pass through the first screw hole 22 and with the first spiral shell Hole 22 is threadedly engaged, and guide rod 19 passes through first through hole 21, and the rotation of the second screw rod 17 can be such that connecting plate 20 moves forward, and And support rod 21 is fixedly connected with connecting plate 20, support rod 21 is fixedly connected with horizon bar 23, and every horizon bar 23 is placed through Several second through-holes 25 of same level can make long strip block 24 along the horizontal sliding of horizon bar 23, and before long strip block 24 Strip grooves 26 are opened up, the supporting leg of dancing practitioner can be placed into strip grooves 26, while the knee of supporting leg also is located at length In bar groove 26, and then the supporting leg of dancing practitioner can be made perpendicular to the ground, stretch supporting leg, provided to dancing practitioner Auxiliary, thus make dancing practitioner's leg pressing practice effect more preferably, and slide bar 28 is fixedly connected with 27 rear end inner wall of cavity, slide bar 28 are inserted into motion bar 29, and motion bar 29 is fixedly connected with telescopic rod 30, when in use, telescopic rod 30 are pulled out, so After turn down to vertical state, third screw rod 32 passes through the second screw hole 36, and third screw rod 32 rotates, and hinge bar 35 can be made to moving up It is dynamic, overturn two pieces of support plates 31 with hinge joint respectively, and form triangular structure, dancing practitioner can pin telescopic rod 30 Top makes dancing practitioner stand in leg pressing more steady, avoids falling down, so that dancing practitioner be made to keep steady in leg pressing practice It is fixed, keep it safer.It can be adjusted through the invention according to different dancing practitioner heights, meet different height dancings Practitioner's use demand, while being also able to satisfy the identical dancing practitioner of several heights and being used in conjunction with, and several heights can be made Identical dancing practitioner when in use, can be defined supporting leg, keep supporting leg perpendicular to the ground, and supporting leg holding is stretched Telescopic rod 30 to keep its leg pressing practice effect more preferable, and is pulled out in leg pressing practice and protects telescopic rod 30 by straight state Vertical state is held, dancing practitioner buttresses telescopic rod 30, makes dancing practitioner keep stablizing in leg pressing practice, prevents dancing from practicing Habit person's tumble injury, to make it, the safety is improved.

Specifically, l-shaped rod 37 is fixedly mounted in the other end of inserted link 9 described in the present embodiment, the other side of movable plate 2 is solid Dingan County fills link 38, and l-shaped rod 37 can pass through link 38.When not in use, to vertical state, l-shaped rod 37 passes through the fold of movable plate 2 Link 38 is simultaneously engaged with link 38, so that movable plate 2 is kept vertical state, and then can reduce occupied space, improves space Utilization rate.

Specifically, spongy layer is fixedly mounted in 30 other end of telescopic rod described in the present embodiment.Telescopic rod 30 is located when in use In vertical state, dancing practitioner pins spongy layer, carries out auxiliary help to dancing practitioner, practice dancing in practice Person's standing when leg pressing is practiced is more steady, avoids dancing practitioner's astasia fixed and tumble injury.

Further, ball bearing is fixedly mounted in 29 rear end outer wall of motion bar described in the present embodiment, between two ball bearings It is fixedly connected by fixed link 39, third screw hole 40, activity peace in the middle part of 27 rear end inner wall of cavity is opened up in the middle part of 39 front of fixed link The 4th screw rod 41 is filled, the 4th screw rod 41 can pass through third screw hole 40 and be threadedly engaged with third screw hole 40.The rear end of motion bar 29 Outer wall installs ball bearing, and two ball bearing heads are done a fixed links 39 and are fixedly connected, the 4th screw rod 40 pass through third screw hole 40 and with Third screw hole 40 is threadedly engaged, and rotates the 4th screw rod 40, and fixed link 39 can move forward, and then drives motion bar 29 to Forward It is dynamic, so that telescopic rod 30 is stretched out cavity 27, it is more convenient in use so as to release two telescopic rods 30 jointly.

Further, several tilting bars are not fixedly mounted respectively to side in two pieces of risers 16 described in the present embodiment 42, the other end of tilting bar 42 is fixedly connected with the top surface of pedestal 1.Connect between riser 16 and pedestal 1 by the way that tilting bar 42 is fixed It connects, can make to connect stronger, structure is more stable.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features； And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and Range.

Claims (5)

1. pressing-leg device is practiced in a kind of dancing, it is characterised in that: including pedestal (1), pedestal (1) two sides are respectively articulated with installation activity Plate (2), pedestal (1) top surface rear end open up the first guide groove (3), and every piece of movable plate (2) top surface rear end opens up the second guide groove (4), the second guide groove (4) is communicated with the first guide groove (3) inside respectively, inner wall fixed peace in bottom end in the middle part of the first guide groove (3) Horizontal sleeve (6) is fixedly mounted in vertical the first elevating lever (5) with motor of dress, the first elevating lever (5) top, and first leads Two pieces of guide pads (7) are equipped with to cooperation in slot (3), two pieces of guide pads (7) are located at the two sides of the first elevating lever (5), and every piece Vertical the second elevating lever (8) is fixedly mounted in guide pad (7) top, and every second elevating lever (8) top is fixedly mounted horizontal Inserted link (9), one end of every root cutting bar (9) can be inserted into sleeve (6), be installed in the middle part of pedestal (1) top surface by bearing activity Vertical the first screw rod (10) with motor, the first screw rod (10) are located at the front of the first elevating lever (5), the first screw rod (10) Horizontal the first sprocket wheel (11) is fixedly mounted in bottom end, and horizontal the second sprocket wheel (12) is installed in activity respectively for pedestal (1) top surface two sides, Two the second sprocket wheels (12) are located at the two sides of the first sprocket wheel (11), and the first sprocket wheel (11) and the second sprocket wheel (12) pass through one Chain is flexibly connected, and cooperation is equipped with nut (13) on the first screw rod (10), and the two sides of nut (13) are hingedly connected connecting rod (14) the loop bar top of one end, the other end of every connecting rod (14) and second elevating lever (8) is articulated and connected, Mei Ge Horizontal the first helical gear (15) is fixedly mounted in the rotary shaft top of two sprocket wheels (12), and pedestal (1) top surface two sides are fixed respectively to pacify It fills riser (16), two pieces of risers (16) are located in front of the first screw rod (10), and the opposite face of two pieces of risers (16) passes through axis respectively Hold the second screw rod (17) of movable installation level, the second screw rod (17) is located at the bottom of riser (16), the second screw rod (17) and the One screw rod (10) is mutually perpendicular to, and vertical the second helical gear (18), Mei Ge is fixedly mounted in the rear end of every second screw rod (17) Two helical gears (18) can be engaged with corresponding first helical gear (15) to be cooperated, and the opposite face of two pieces of risers (16) is fixed respectively Horizontal guide rod (19) is installed, guide rod (19) is parallel to each other with the second screw rod (17), and guide rod (19) is located at the second screw rod (17) top is equipped with vertical connecting plate (20) between two pieces of risers (16), and connecting plate (20) forward top two sides are opened respectively If first through hole (21), every guide rod (19) can pass through a corresponding first through hole (21), connecting plate (20) front bottom Two sides open up the first screw hole (22) respectively, and every second screw rod (17) can pass through corresponding first screw hole (22) and with first Screw hole (22) is threadedly engaged, and quadrangle is fixedly mounted horizontal support rod (21) respectively before connecting plate (20), support rod (21) It is mutually perpendicular to connecting plate (20), it is fixed by a horizon bar (23) between every two support rods (21) of same level Connection, horizon bar (23) are located at the front of support rod (21), and two horizon bars (23) are arranged above and below and are parallel to each other, connecting plate (20) front is equipped with the vertical long strip block (24) of several piece, and it is logical that the side upper and lower ends of every piece of long strip block (24) open up second respectively Hole (25), every horizon bar (23) can be placed through several second through-holes (25) of same level, open before long strip block (24) If strip grooves (26), opened up cavity (27) before pedestal (1), horizontal cunning is fixedly mounted in cavity (27) rear end inner wall two sides respectively Bar (28), every slide bar (28) front end are equipped with horizontal hollow motion bar (29), and slide bar (28) front end can be inserted into motion bar (29) in, telescopic rod (30) are fixedly mounted in every motion bar (29) front end, and telescopic rod (30) is mutually perpendicular to motion bar (29), often The loop bar front of root telescopic rod (30) passes through the third screw rod (32) that bearing activity installation has motor, third screw rod (32) respectively It is parallel to each other with telescopic rod (30), the both sides up and down of the loop bar other end of every telescopic rod (30) are hingedly connected support plate (31) one end opens up sliding slot with the opposite face of two pieces of support plates (31) of same root telescopic rod (30) articulated connection respectively (33), cooperation is equipped with sliding block (34) in every sliding slot (33), hinged by a hinge bar (35) between every two pieces of sliding blocks (34) Connection, a middle side part of every hinge bar (35) opens up the second screw hole (36), and every third screw rod (32) can be across corresponding the Two screw holes (36).

2. pressing-leg device is practiced in a kind of dancing according to claim 1, it is characterised in that: the inserted link (9) it is another L-shaped rod (37) are fixedly mounted in end, and link (38) are fixedly mounted in the other side of movable plate (2), and l-shaped rod (37) can pass through link (38).

3. pressing-leg device is practiced in a kind of dancing according to claim 1, it is characterised in that: the telescopic rod (30) is another Spongy layer is fixedly mounted in end.

4. pressing-leg device is practiced in a kind of dancing according to claim 1, it is characterised in that: described motion bar (29) rear end Ball bearing is fixedly mounted in outer wall, is fixedly connected between two ball bearings by fixed link (39), is opened in the middle part of fixed link (39) front If third screw hole (40), the 4th screw rod (41) of activity installation in the middle part of the inner wall of cavity (27) rear end, the 4th screw rod (41) can be across the Three screw holes (40) are simultaneously threadedly engaged with third screw hole (40).

5. pressing-leg device is practiced in a kind of dancing according to claim 1, it is characterised in that: two pieces of risers (16) Side is not fixedly mounted respectively several tilting bars (42), the other end of tilting bar (42) is fixedly connected with the top surface of pedestal (1).