CN106975201A - A kind of back seat plate of leg split trainer - Google Patents

Abstract

A rear seat board of a leg split training device, relating to a physical training device, a backrest (1) is arranged on the rear upper part of the seat board (5), and axle seats ( 4), the sheaves (3) are respectively arranged on the two shaft seats (4), and the inner ends of the two rotating plates (12) are respectively hingedly connected to the two sides of the front part of the seat plate (5); the present invention utilizes the lower surface of the seat plate to The set of raised blocks makes the two rotating plates form a hinged connection, and the two legs restricted by the two painted cover plates are separated by the pull rope, which obtains the appeal of practicing the splits independently.

Description

Rear seat board of a leg split training device

【Technical field】

The invention relates to a physical training device, in particular to a rear seat board of a leg split training device.

【Background technique】

It is known that body training is a relatively graceful and elegant fitness program, mainly through stretching and beautiful dance basic exercises (based on ballet), combined with classical dance, body rhyme, and folk dance for comprehensive training, it can shape people's graceful Improve your posture, cultivate an elegant temperament, and correct incorrect postures in life. It can be said that it is the basis of all sports. Physical training scientifically trains your waist, legs, buttocks, chest and other key parts; through the early physical training, you can obtain the flexibility of the body and the display characteristics of continuity, coordination, speed and strength when doing various movements, so He said that regular participation in physical training can help the body to be coordinated and stable in martial arts, gymnastics, yoga, and dance. When contacting the splits, many people's lacquer parts are easy to bend, especially when the legs are separated. Either the opening angle is not enough, or The legs are opened but the two legs are bent, it is difficult to quickly achieve the desired effect; the method in various dance, yoga, pole dancing or martial arts training classes is; when the practitioner is doing the splits, someone needs to be assisted to press, that is, practice The patient leans his back against the wall, and two people are responsible for pushing one leg against the wall. When pushing, they use their hands to control the paint cover not to bend. It cannot be practiced.

【Content of invention】

In order to overcome the deficiencies in the background technology, the present invention discloses a rear seat board of a leg split training device, using a raised block provided on the lower surface of the seat board to form a hinged connection between the two rotating boards, and using a pull cord to restrict the rear seat board to the two paint covers. The two legs of the press plate are separated to obtain the appeal of practicing the splits independently.

In order to realize the above-mentioned purpose of the invention, the present invention adopts following technical scheme:

A rear seat board of a leg split training device includes a seat board, a backrest, a shaft seat, a sheave and a rotating board, the backrest is arranged at the rear upper part of the seat board, and the two ends of the front surface of the backrest are respectively provided with shaft seats. The two shaft seats are respectively provided with sheaves, and the inner ends of the two rotating plates are respectively hingedly connected to both sides of the front part of the seat plate.

In the rear seat board of the leg split training device, the upper middle part of the backrest is provided with a raised part, and a cushion is provided on the front surface of the backrest.

In the rear seat board of the leg split training device, the middle part of the front face of the seat board is connected to the inner end of the anti-tilt bar, and the two rotating plates are on both sides of the anti-tilt bar, that is, the two rotating plates are divided into one side For the rotating plate and the rotating plate on the other side, a “┓”-shaped paint cover pressure plate is provided in the middle of one rotating plate close to the other rotating plate; There is a "┏"-shaped paint cover press plate, that is, the paint cover press plate on one side of the rotating plate and the paint cover press plate on the other side of the rotating plate are arranged in a "┓" shape and a "┏" shape.

The rear seat plate of the described leg split training device is provided with a raised block near the other side rotating plate at the middle part of the rotating plate on one side, and two screw holes are arranged at intervals on the upper end surface of the raised block. The one-side paint cover pressure plate set in the middle of one side rotating plate has a "┓" shape structure, that is, a vertical plate is provided at the lower part of one side of the one-side paint cover pressure plate, and the end of the one-side paint cover pressure plate is provided with side protrusions. Out of the plate, there are light holes corresponding to the screw holes of the raised block on the side protruding plate; two height adjustment screws pass through the light holes of the side protruding plate in turn, and the outer threads of the lower ends of the two height adjustment screws behind the spring respectively Connect the screw hole of the protruding block, and the two springs are respectively set on the polished rods in the middle of the two height adjustment screws; there is a protruding block in the middle of the rotating plate on the other side close to the rotating plate on one side, and on the upper end surface of the protruding block There are two screw holes at intervals, and the other side of the paint cover pressure plate set in the middle of the other side of the rotating plate is a "┏" shape structure, that is, a vertical plate is provided at the lower part of the other side of the paint cover pressure plate, so The end of the paint cover pressure plate on the other side is provided with a side protruding plate, and a light hole corresponding to the screw hole of the protruding block is provided on the side protruding plate; two height adjustment screws respectively pass through the light holes of the side protruding plate in turn. Connect the screw hole of the raised block behind the hole and the spring.

The rear seat board of the leg split training device is provided with a "┓" shaped sponge on the concave surface of the paint cover pressing plate on one side of the "┓" shaped structure, and a flexible wrapping layer is wrapped on the "┓" shaped sponge.

In the rear seat board of the leg split training device, a "┏"-shaped sponge is provided on the concave surface of the paint cover pressing plate on the other side of the "┏"-shaped structure, and a flexible wrapping layer is wrapped on the "┏"-shaped sponge.

The rear seat board of the described leg split training device is respectively provided with wheels at the outer ends of the two rotating boards.

The rear seat plate of the leg split training device is provided with arc surfaces respectively from the outer edges on both sides of the anti-tilt bar on the front surface of the seat plate to the rear, and an interval is provided between the two arc surfaces of the seat plate and the ground. , the lower surface of the seat plate is provided with a lower circular protrusion near both sides, and the two circular arc surfaces are respectively arranged along the radial direction of the two lower circular protrusions; an arc concave surface is provided at the inner end of one rotating plate , the lower part of the circular arc concave surface of the rotating plate on one side is provided with an inserting plate, and a round hole is arranged on the inserting plate. There is a circular concave arc surface, and an inserting plate is provided at the lower part of the circular concave arc surface of the rotating plate on the other side, and a round hole is arranged on the inserting plate, and the circular hole of the inserting plate is set on the lower circular protrusion on the other side to form a hinge. connect.

In the rear seat board of the leg split training device, the middle or outer ends of one side rotating board and the other side rotating board are respectively connected with one end of two stay ropes, and the middle parts of the two stay ropes are respectively located in the grooves at both ends of the backrest On the wheel, the other ends of the two stay ropes are respectively provided with traction handles.

The rear seat board of the described leg split training device is provided with a bottom protrusion at the lower end of the backrest, and the lower surface of the bottom protrusion is equal to the lower surface of the anti-tilt bar, and the bottom protrusion and the anti-tilt The lower face of the bar forms a "T" shaped bottom support.

Due to the adoption of the above-mentioned technical scheme, the present invention has the following beneficial effects:

The rear seat board of the leg split training device according to the present invention obtains the hinged connection of the two rotating boards by setting the lower circular protrusion at the bottom of the board, and the two pull ropes respectively pull the two rotating boards by the traction handle. The two rotating plates connected by the plates make the two legs separate, and the two cover pressing plates prevent bending when the legs are separated, and the leg cover parts will not bend when practicing the splits independently, especially when used independently without the assistance of others; the present invention The utility model has the advantages of simple structure and convenient use, which is beneficial to teaching or used alone at home.

【Description of drawings】

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is a schematic view of the bottom structure of the present invention;

Fig. 3 is a schematic diagram of the use state of the present invention;

Fig. 4 is a schematic diagram of the three-dimensional structure of the rotating plate that cooperates with the present invention;

Fig. 5 is the A direction view of Fig. 4;

In the figure: 1. Backrest; 2. Cushion; 3. Sheave; 4. Shaft seat; 5. Seat plate; 6. Arc surface; 7. Interval; 10. Bottom round protrusion; 11. Bottom protrusion; 12. Rotating plate; 13. Paint cover pressure plate; 14. Height adjustment screw; 15. Side protruding plate; 16. Drawstring; 17. Arc concave surface; 18. Traction handle; 19, spring; 20, raised block; 21, vertical plate; 22, inserting plate; 23, round hole; 24, polished rod; 25, external thread; 26, light hole; 27, sponge; 28, flexible package layer; 29, screw holes; 30, wheels.

【detailed description】

The present invention can be explained in more detail by the following examples, and the purpose of disclosing the present invention is intended to protect all changes and improvements within the scope of the present invention, and the present invention is not limited to the following examples;

The rear seat plate of the leg split training device described in conjunction with accompanying drawings 1 to 5 includes a seat plate 5, a backrest 1, an axle seat 4, a sheave 3 and a rotating plate 12, and the upper middle part of the backrest 1 is provided with a raised portion 8 , a cushion 2 is provided on the front surface of the backrest 1, the backrest 1 is arranged on the rear upper part of the seat plate 5, and axle seats 4 are respectively arranged at both ends of the front surface of the backrest 1, and on the two axle seats 4 respectively A sheave 3 is provided, and the inner ends of the two rotating plates 12 are respectively hingedly connected to both sides of the front part of the seat plate 5 , and wheels 30 are respectively arranged at the outer ends of the two rotating plates 12 .

In conjunction with accompanying drawings 1, 2, 3, 4 and 5, the middle part of the front face of the seat plate 5 is connected with the inner end of the anti-tilt bar 9, and a bottom protrusion 11 is provided at the lower end of the backrest 1, and the bottom protrusion 11 The lower surface of the lower part of the anti-dipping bar 9 is equal in height, and the lower surface of the bottom protrusion 11 and the anti-dipping bar 9 forms a "T"-shaped bottom support. Two rotating plates 12 are on both sides of the anti-dipping bar 9. That is to say, the two rotating plates 12 are divided into one side rotating plate 12 and the other side rotating plate 12, and the middle part of one side rotating plate 12 close to the other side rotating plate 12 is provided with a "┓" shaped paint cover pressure plate 13; The middle part of one side rotating plate 12 is provided with a protruding block 20 near the other side rotating plate 12, and the upper end surface of the protruding block 20 is provided with two screw holes 29 at intervals. The one-side paint cover pressing plate 13 has a "┓" shape structure, that is, a vertical plate 21 is provided at the lower part of one side of the one-side paint covering pressing plate 13, and a side protruding plate 15 is provided at the end of the one-side paint covering pressing plate 13 , the side protruding plate 15 is provided with light holes 26 corresponding to the raised block 20 screw holes 29; two height adjustment screws 14 respectively pass through the light holes 26 of the side protruding plate 15, and the rear two height adjustment screws of the spring 19 The external thread 25 at the lower end of the screw 14 is respectively connected to the screw hole 29 of the raised block 20, and the two springs 19 are respectively set on the polished rod 24 in the middle of the two height adjustment screws 14 on the concave surface of the paint cover pressure plate 13 on one side of the "┓" shaped structure. There is a "┓"-shaped sponge 27, and a flexible wrapping layer 28 is wrapped on the "┓"-shaped sponge 27; since the structure and configuration of the rotating plate 12 on one side and the rotating plate 12 on the other side are basically the same, the difference is that the installation structure is reversed. Therefore, the present invention does not provide accompanying drawings for the rotating plate 12 on the other side, and can be explained with reference to accompanying drawings 4 or 5. The middle part of the rotating plate 12 on the other side is provided with a paint cover pressing plate with a “┏”-shaped structure close to the rotating plate 12 on one side. 13. Specifically, a protruding block 20 is provided near the middle of the rotating plate 12 on the other side, and two screw holes 29 are arranged at intervals on the upper end surface of the protruding block 20, and the other side rotates The other side paint cover pressing plate 13 that is provided with in the middle part of the plate 12 is a “┏” shape structure, that is, a vertical plate 21 is provided at the lower part of one side of the other side paint covering pressing plate 13, and the end of the other side paint covering pressing plate 13 The side protruding plate 15 is provided at the top, and the light hole 26 corresponding to the screw hole 29 of the raised block 20 is arranged on the side protruding plate 15; two height adjustment screws 14 respectively pass through the light holes 26 of the side protruding plate 15 1. After the spring 19, connect the screw hole 29 of the protruding block 20, on the concave surface of the other side of the "┏" shape structure, the paint cover pressure plate 13 is provided with a "┏" shape sponge 27, and on the "┏" shape sponge 27, there is a flexible The wrapping layer 28, that is, the paint cover pressing plate 13 on one side rotating plate 12 and the paint covering pressing plate 13 on the other side rotating plate 12 are arranged in the shape of "┓" and "┏".

In conjunction with accompanying drawings 1, 2 or 3, arc surfaces 6 are respectively provided from the outer edge to the rear of the anti-tilt bar 9 both sides of the seat plate 5 front face, and an arc surface 6 is provided between the two arc surfaces 6 of the seat plate 5 and the ground. There is an interval 7, the lower surface of the seat plate 5 is provided with a lower circular protrusion 10 near both sides, and the two arc surfaces 6 are respectively arranged along the radial direction of the two lower circular protrusions 10; the rotating plate 12 on one side The inner end of the inner end is provided with a circular arc concave surface 17, and the lower part of the circular arc concave surface 17 of one side rotating plate 12 is provided with a flashboard 22, and a circular hole 23 is provided on the flashboard 22, and the circular hole 23 of the flashboard 22 is set under one side. A hinge connection is formed on the round protrusion 10; the inner end of the rotating plate 12 on the other side is provided with a circular concave arc surface 17, and a flashboard 22 is provided at the bottom of the circular concave arc surface 17 of the rotating plate on the other side. A round hole 23 is provided, and the round hole 23 of the inserting plate 22 is sleeved on the lower round protrusion 10 on the other side to form a hinged connection.

In conjunction with accompanying drawing 3, the middle part or the outer end of one side rotating plate 12 and the other side rotating plate 12 are respectively connected with one end of two stay cords 16, and the present invention can connect one end of two stay cords 16 to the height adjusting screw respectively. 14, the middle parts of the two stay cords 16 are respectively on the sheaves 3 at the two ends of the backrest 1, and the other ends of the two stay cords 16 are respectively provided with traction handles 18.

Implement the rear seat board of the leg splits training device of the present invention, in conjunction with accompanying drawing 1,2,3,4 or 5, during use, earlier one side rotating board 12 and the other side rotating board 12 are placed near the wall Then place the backrest 1 at the rear of the seat plate 5 against the wall, and at this time, the two round protrusions 10 on the lower part of the seat plate 5 penetrate into the round holes of the rotating plate 12 on one side and the inserting plate 22 on the rotating plate 12 on the other side respectively. 23, then adjust the one side paint cover pressing plate 13 of one side rotating plate 12 to a suitable height through the height adjustment screw 14, and the other side paint covering pressing plate 13 of the other side rotating plate 12 also passes the other two heights Adjust the adjustment screw 14 to a suitable height, place the middle part of one of the stay ropes 16 connected to the height adjustment screw 14 in the groove of the shaft seat 4 sheave 3, and place the middle part of the other stay rope 16 connected to the other height adjustment screw 14 In the groove of the other shaft seat 4 and the sheave 3, the user sits on the seat plate 5, and puts two legs into the "┓" shape on the outside of the rotating plate 12 on one side and the outside of the paint cover pressing plate 13 on the other side respectively. In the "┏" shape on the outside of the paint cover pressure plate 13 on the other side of the rotary plate 12, two hands respectively pull the traction handle 18 connected to the two stay ropes 16. When the rotary plate 12 on one side and the rotary plate 12 on the other side separate and reach At a certain angle, further stretching can be realized by changing the hands of the traction handles 8 of the two pull cords.

The unspecified parts of the present invention are prior art.

Claims (10)

1. a kind of rear seat board of leg split training device, comprises seat board (5), backrest (1), shaft seat (4), sheave (3) and rotating plate (12), it is characterized in that: backrest ( 1) It is arranged on the rear upper part of the seat plate (5), and the two ends of the front surface of the backrest (1) are respectively provided with shaft seats (4), and the two shaft seats (4) are respectively provided with sheaves (3). The inner ends of the rotating plate (12) are respectively hingedly connected to both sides of the front part of the seat plate (5). 2. The rear seat board of the leg split training device according to claim 1, characterized in that: the upper middle part of the backrest (1) is provided with a heightening part (8), and on the front surface of the backrest (1) A cushion (2) is provided on the top. 3. the back seat board of leg splits training device according to claim 1 is characterized in that: the front face middle part of seat board (5) is connected with the inner end of anti-tilt bar (9), two rotating plates ( 12) On both sides of the anti-tilt bar (9), that is, the two rotating plates (12) are divided into one side rotating plate (12) and the other side rotating plate (12), in the middle of one side rotating plate (12) A paint cover pressure plate (13) with a "┓"-shaped structure is provided near the rotating plate (12) on the other side; a "┏" is provided near the rotating plate (12) on the other side in the middle The paint cover pressing plate (13) of shape structure, just the paint cover pressing plate (13) on one side rotating plate (12) and the paint covering pressing plate (13) on the other side rotating plate (12) are " ┓ " shape and Arranged in "┏" shape. 4. the rear seat plate of leg split training device according to claim 3 is characterized in that: the middle part of one side rotating plate (12) is provided with protruding block (20) near the other side rotating plate (12) ), two screw holes (29) are arranged at intervals on the upper end surface of the raised block (20), and the one-side paint cover pressure plate (13) provided in the middle of the one-side rotating plate (12) is a "┓"-shaped structure, That is to say, a vertical plate (21) is provided at one side lower part of one side paint cover pressing plate (13), and the end of said one side paint cover pressing plate (13) is provided with a side protruding plate (15), protruding on the side. The plate (15) is provided with light holes (26) corresponding to the screw holes (29) of the raised block (20); two height adjustment screws (14) respectively pass through the light holes (26) of the side protruding plate (15) ), the external threads (25) at the lower ends of the two height adjustment screws (14) behind the spring (19) are respectively connected to the screw holes (29) of the raised block (20), and the two springs (19) are respectively set on the two height adjustment screws (14) on the polished rod (24) in the middle; a raised block (20) is provided near the side rotating plate (12) in the middle of the other side rotating plate (12), and on the upper end surface of the raised block (20) Two screw holes (29) are arranged at intervals, and the other side paint cover pressure plate (13) provided in the middle part of the other side rotating plate (12) is a “┏” shaped structure, that is, the other side paint cover pressure plate ( 13) The lower part of one side is provided with a vertical plate (21), the end of the other side of the paint cover pressure plate (13) is provided with a side protruding plate (15), and the corresponding side protruding plate (15) is provided with The light hole (26) of the screw hole (29) of the protruding block (20); two height adjustment screws (14) pass through the light hole (26) of the side protruding plate (15) and the spring (19) successively respectively and connect The screw hole (29) of the raised block (20). 5. The rear seat board of the leg split training device according to claim 4, characterized in that: a "┓" shaped sponge (27) is provided on the concave surface of the paint cover pressure plate (13) on one side of the "┓" shaped structure , the "┓" shape sponge (27) is wrapped with a flexible wrapping layer (28). 6. the rear seat plate of leg split training device according to claim 1 is characterized in that: on the concave surface of "┏" shape structure other side paint cover pressing plate (13), be provided with "┏" shape sponge (27 ), wrapped with a flexible wrapping layer (28) on the "┏" shape sponge (27). 7. The rear seat board of the leg split training device according to claim 1, characterized in that: wheels (30) are respectively provided at the outer ends of the two rotating boards (12). 8. The rear seat board of the leg split training device according to claim 1, characterized in that: the outer edge of the anti-tilt bar (9) both sides of the seat board (5) front face is respectively provided with a circle to the rear. The arc surface (6), the two arc surfaces (6) of the seat plate (5) and the ground are provided with a space (7), and the lower surface of the seat plate (5) is respectively provided with a lower circular convex surface near the two sides. (10), two arc surfaces (6) are set along the radial direction of two lower circular protrusions (10) respectively; the inner end of one side rotating plate (12) is provided with arc concave surface (17), one side The arc concave surface (17) bottom of the rotary plate (12) is provided with a flashboard (22), and a circular hole (23) is provided on the flashboard (22), and the circular hole (23) of the flashboard (22) is enclosed within a A hinged connection is formed on the circular protrusion (10) under the side; the inner end of the other side rotating plate (12) is provided with a circular concave arc surface (17), and the circular concave arc surface (17) bottom of the other side rotating plate is provided with There is flashboard (22), on flashboard (22), be provided with circular hole (23), and the circular hole (23) of flashboard (22) is enclosed within on the other side lower circle protrusion (10) and forms hinged connection. 9. the rear seat board of leg splits training device according to claim 1, is characterized in that: the middle part or the outer end of one side rotating board (12) and the other side rotating board (12) are connected with two stay cords respectively One end of (16) is connected, and the middle part of two stay cords (16) is respectively on the sheave (3) of backrest (1) two ends, is respectively provided with traction handle (18) by the other end of two stay cords (16). . 10. The rear seat board of the leg split training device according to claim 1, characterized in that: the lower end of the backrest (1) is provided with a bottom protrusion (11), and the lower surface of the bottom protrusion (11) It is the same height as the lower surface of the anti-dipping strip (9), and is supported by a "T" shape bottom by the bottom protrusion (11) and the lower surface of the anti-dipping strip (9).