CN215962036U

CN215962036U - Ligament stretching device of sports training

Info

Publication number: CN215962036U
Application number: CN202122309489.9U
Authority: CN
Inventors: 王友高; 覃倩倩; 刘志锋; 刘丽萍; 罗明都; 罗皓
Original assignee: Guangxi Modern Polytechnic College
Current assignee: Guangxi Modern Polytechnic College
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-08
Anticipated expiration: 2031-09-23

Abstract

The utility model provides a ligament stretching device for physical training, which comprises a horizontal bar, wherein two ends of the horizontal bar are fixedly connected with triangular supports, a connecting plate is fixedly connected between the two triangular supports, a connecting rod which is perpendicular to the connecting plate is arranged on the upper surface of the connecting plate, one end of the connecting rod, which is far away from the connecting plate, is fixedly connected with a screw rod, a barrel for hiding the screw rod is sleeved on the screw rod, a nut which is in threaded connection with the screw rod is fixedly connected to the middle position of the inner surface of the barrel, one end of the barrel, which is far away from the connecting plate, is closed and is rotatably connected with a limiting part for limiting the position of a foot of a person, and a rubber sleeve for blocking sundries is fixedly connected to the inner wall of the opening end of the barrel. The realization is spacing to the trainer stand subaerial foot, prevents to take place the condition of skidding, improves the security.

Description

Ligament stretching device of sports training

Technical Field

The utility model relates to a ligament stretching device for physical training, belonging to the field of physical training instruments.

Background

Need carry out the ligament and stretch before sports training, the ligament is pulled when preventing the motion, and it is tensile with the help of horizontal bar etc. to be the trainer when stretching more, and the trainer takes a foot on the horizontal bar promptly, and another foot stands subaerial, but the trainer stands subaerial foot and lacks spacing measure, and the trainer stands when the angle between two legs is great at tensile in-process, and the trainer stands subaerial foot and takes place the condition of skidding easily, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a ligament stretching device for physical training, which aims to solve the problems that the feet of a trainer standing on the ground are lack of limiting measures in the background technology, and when the angle between two legs of the trainer is large in the stretching process, the feet of the trainer standing on the ground are easy to slip, so that potential safety hazards exist.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a ligament stretching device for physical training comprises a horizontal bar, wherein two ends of the horizontal bar are fixedly connected with triangular brackets, a connecting plate is fixedly connected between the two triangular brackets, the connecting plate is arranged in parallel with the horizontal bar, the upper surface of the connecting plate is provided with a connecting rod which is arranged vertically to the connecting plate, one end of the connecting rod, which is far away from the connecting plate, is fixedly connected with a screw rod, a tube for hiding the screw rod is sleeved on the screw rod, the middle position of the inner surface of the barrel is fixedly connected with a nut in threaded connection with the screw rod, one end of the barrel, far away from the connecting plate, is in a closed shape and is rotatably connected with a limiting piece for limiting the position of the foot of a person, the end of the bobbin, which is far away from the limiting part, is in an open shape, the inner wall of the open end of the bobbin is fixedly connected with a rubber sleeve used for blocking sundries, and the rubber sleeve is sleeved on the connecting rod and is attached to the surface of the connecting rod.

Further, the connecting rod and the screw rod are of an integrally formed structure, the screw rod and the connecting rod are all members made of iron materials, a limiting ring is fixedly connected to the intersection of the connecting rod and the screw rod, and the limiting ring is arranged between the nut and the rubber sleeve.

Further, the closed end of the bobbin is fixedly connected with a disc head, the disc head is slidably mounted in the sleeve, and the sleeve is fixedly connected with the limiting piece.

Furthermore, the cross section of the limiting part is of a U-shaped structure.

Furthermore, a plurality of anti-skid convex balls are processed on the outer surface of the bobbin, and the anti-skid convex balls and the bobbin are of an integrally formed structure.

Furthermore, one end, far away from the screw rod, of the connecting rod is fixedly connected with a fixing block, and the fixing block is fixed in the middle of the upper surface of the connecting plate.

Further, the both ends of horizontal bar all fixedly connected with a section of thick bamboo cap, a section of thick bamboo cap and A-frame fixed connection.

Furthermore, two fixing holes for inserting bolts are symmetrically formed in the bottom of the triangular support.

The utility model has the beneficial effects that:

1. when the barrel is rotated, the screw rod rotates in the nut relative to the barrel, the length formed by the screw rod, the connecting rod and the barrel is lengthened or shortened, the distance between the limiting part and the connecting plate is lengthened or shortened, the distance between the limiting part and the horizontal bar can be adjusted according to personal needs, and the requirements of different personnel are met.

2. The trainer stands a foot in the locating part to under the limiting action of locating part, prevent that the trainer foot from taking place to slide at tensile in-process, realize standing subaerial foot to the trainer and carry out spacingly, prevent to take place the condition of skidding, improve the security.

3. The screw is arranged in the barrel, the barrel is sealed by the rubber sleeve, and when the relative position of the screw and the barrel changes, the position of the rubber sleeve on the connecting rod changes along with the change of the relative position of the screw and the barrel, so that the purpose of always hiding the screw is realized, and sundries are prevented from being randomly attached to thread grains on the screw.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a ligament tensioning device for physical training in accordance with the present invention;

FIG. 2 is a schematic view of the assembly of the nut, the rubber sleeve and the bobbin in the ligament stretching device for physical training of the utility model;

FIG. 3 is a schematic view of the assembly of a screw and a connecting rod in the ligament stretching device for physical training of the present invention;

FIG. 4 is a schematic view of the assembly of the bobbin and the limiting member in the ligament stretching device for physical training of the present invention;

in the figure: 1-horizontal bar, 2-barrel cap, 3-triangular support, 4-fixing hole, 5-connecting plate, 6-fixing block, 7-connecting rod, 8-anti-skid convex ball, 9-barrel, 10-limiting piece, 11-nut, 12-rubber sleeve, 13-screw, 14-limiting ring, 15-disc head and 16-barrel sleeve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a ligament stretching device of sports training, including horizontal bar 1, the equal fixedly connected with A-frame 3 in both ends of horizontal bar 1, the equal fixedly connected with barrel cap 2 in both ends of horizontal bar 1,

barrel cap

2 and 3 fixed connection of A-frame, barrel cap 2 plays the effect of connecting horizontal bar 1 and A-frame 3, two fixed orificess 4 that are used for alternating the bolt are seted up to 3 bottom symmetries of A-frame, pass fixed orifices 4 with the bolt of fixed A-frame 3 and install subaerial, accomplish the fixed of 3 positions of A-frame.

Fixedly connected with connecting plate 5 between two A-frame 3, connecting plate 5 and 1 parallel arrangement of horizontal bar, 5 upper surface of connecting plate have with connecting plate 5 perpendicular connecting rod 7 of arranging, connecting rod 7 keeps away from the one end fixedly connected with fixed block 6 of screw rod 13, fixed block 6 is fixed in connecting plate 5 upper surface middle part position, fixed block 6 plays the effect of connecting rod 7 and connecting plate 5, under the effect of connecting plate 5, improves the stability of structure.

Connecting rod 7 keeps away from one end fixedly connected with screw rod 13 of connecting plate 5, the cover is equipped with the bobbin 9 that is used for hiding screw rod 13 on the screw rod 13, processing of bobbin 9 surface has a plurality of anti-skidding pompon 8, anti-skidding pompon 8 and bobbin 9 are the integrated into one piece structure, processing anti-skidding pompon 8 on bobbin 9, increase the coefficient of friction on bobbin 9 surface, bobbin 9 closed end fixedly connected with disc head 15, disc head 15 slidable mounting is in barrel casing 16, barrel casing 16 and locating part 10 fixed connection, when rotating bobbin 9, bobbin 9 drives disc head 15 at the internal rotation of barrel casing 16.

The middle position of the inner surface of the barrel 9 is fixedly connected with a nut 11 in threaded connection with a screw 13, one end of the barrel 9, far away from the connecting plate 5, is in a closed shape and is rotatably connected with a limiting piece 10 for limiting the position of the foot of a person, the cross section of the limiting piece 10 is in a U-shaped structure, when the barrel 9 is rotated, the screw 13 rotates relative to the barrel 9 in the nut 11, the length formed by the screw 13, the connecting rod 7 and the barrel 9 is lengthened or shortened, the distance between the limiting piece 10 and the connecting plate 5 is lengthened or shortened, the distance between the limiting piece 10 and the horizontal bar 1 can be adjusted according to personal needs, the needs of different persons are met, a trainer stands one foot in the limiting piece 10, and therefore under the limiting effect of the limiting piece 10, the foot of the trainer is prevented from sliding in the stretching process, the foot of standing on the ground of the trainer is limited, and the slipping condition is prevented, the safety is improved.

The end, far away from the limiting part 10, of the bobbin 9 is in an open shape, a rubber sleeve 12 used for blocking sundries is fixedly connected to the inner wall of the open end of the bobbin 9, the rubber sleeve 12 is sleeved on the connecting rod 7 and attached to the surface of the connecting rod 7, the connecting rod 7 and the screw 13 are of an integrally formed structure, the screw 13 and the connecting rod 7 are both members made of iron materials, a limiting ring 14 is fixedly connected to the intersection of the connecting rod 7 and the screw 13, the limiting ring 14 is arranged between the nut 11 and the rubber sleeve 12, under the action of the limiting ring 14, the screw 13 is prevented from being separated from the nut 11, the screw 13 is arranged in the bobbin 9, the bobbin 9 is blocked by the rubber sleeve 12, when the relative position of the screw 13 and the bobbin 9 changes, the position of the rubber sleeve 12 on the connecting rod 7 changes along with the position, the purpose of hiding the screw 13 all the time is achieved, and the sundries are prevented from being attached to threads on the screw 13 at will.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Claims

1. A ligament stretching device of sports training, includes horizontal bar (1), its characterized in that: the horizontal bar is characterized in that triangular supports (3) are fixedly connected to two ends of the horizontal bar (1), a connecting plate (5) is fixedly connected between the two triangular supports (3), the connecting plate (5) is arranged in parallel with the horizontal bar (1), a connecting rod (7) which is perpendicular to the connecting plate (5) is mounted on the upper surface of the connecting plate (5), a screw (13) is fixedly connected to one end, away from the connecting plate (5), of the connecting rod (7), a barrel (9) used for hiding the screw (13) is sleeved on the screw (13), a nut (11) which is in threaded connection with the screw (13) is fixedly connected to the middle position of the inner surface of the barrel (9), one end, away from the connecting plate (5), of the barrel (9) is in a closed shape and is rotatably connected with a limiting part (10) used for limiting the position of a person, and one end, away from the limiting part (10), of the barrel (9) is in an open shape, the inner wall of the opening end of the bobbin (9) is fixedly connected with a rubber sleeve (12) used for blocking sundries, and the rubber sleeve (12) is sleeved on the connecting rod (7) and attached to the surface of the connecting rod (7).

2. A ligament stretching device for physical training according to claim 1, wherein: connecting rod (7) and screw rod (13) are integrated into one piece structure, screw rod (13) and connecting rod (7) are the component that a ferrous material made, connecting rod (7) and the crossing fixedly connected with spacing ring (14) of screw rod (13), spacing ring (14) set up between nut (11) and rubber sleeve (12).

3. A ligament stretching device for physical training according to claim 1, wherein: the bobbin (9) is fixedly connected with a disc head (15) at the closed end, the disc head (15) is slidably mounted in a barrel sleeve (16), and the barrel sleeve (16) is fixedly connected with a limiting piece (10).

4. A ligament stretching device for physical training according to claim 1, wherein: the cross section of the limiting part (10) is of a U-shaped structure.

5. A ligament stretching device for physical training according to claim 1, wherein: the outer surface of the bobbin (9) is provided with a plurality of anti-skid convex balls (8), and the anti-skid convex balls (8) and the bobbin (9) are of an integrally formed structure.

6. A ligament stretching device for physical training according to claim 1, wherein: one end of the connecting rod (7) far away from the screw rod (13) is fixedly connected with a fixing block (6), and the fixing block (6) is fixed in the middle of the upper surface of the connecting plate (5).

7. A ligament stretching device for physical training according to claim 1, wherein: the two ends of the horizontal bar (1) are fixedly connected with barrel caps (2), and the barrel caps (2) are fixedly connected with the triangular supports (3).

8. A ligament stretching device for physical training according to claim 1, wherein: two fixing holes (4) for inserting bolts are symmetrically formed in the bottom of the triangular support (3).