CN211986890U

CN211986890U - Stretching device for gymnastics training

Info

Publication number: CN211986890U
Application number: CN202020578644.XU
Authority: CN
Inventors: 司景梅
Original assignee: Luliang University
Current assignee: Luliang University
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-11-24
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to the technical field of gymnastics training devices, in particular to a stretching device for gymnastics training, which comprises a shell, wherein a passive stretching component and an active stretching component are arranged inside the shell, and one end of the passive stretching component and one end of the active stretching component respectively extend to the outer parts of two opposite side walls of the shell; by arranging the passive stretching assembly, the foot can be sleeved by the lantern ring, and the rocking handle is rotated to drive the stretching plate to stretch out, so that the ligament of the leg is gradually stretched; meanwhile, the stretching degree of the leg is controlled by matching with the scale marks on the surface of the rack, so that the control is convenient, the stretching operation can be independently carried out, and the strain caused by over-stretching can be avoided; through setting up the tensile subassembly of initiative, can cooperate the tensile use of initiative shank, pull out behind the lifting plate two, through the fixed sliding seat of adjusting of fastening bolt, can fix the tensile length of lifting plate two, avoid tensile excessively to cause the strain.

Description

Stretching device for gymnastics training

Technical Field

The utility model relates to a gymnastics trainer technical field specifically is a stretching device for gymnastics training.

Background

Stretching is a body-building method, and stretching can make ligament muscle and joint cooperation softer, reduce the injury possibility. Including active stretching and passive stretching.

Active stretching means that the action is kept in a specific position mainly by the force of contracting muscles rather than other external force, and the advantage is that the flexibility of the action and the force of contracting muscles can be increased. Passive stretching is the use of the body weight or apparatus to maintain the limb in a certain extended position. Is a slow, relaxing stretching, and can also act to reduce nerve and muscle excitability, a good method to be used when relaxing after exercise.

The gymnastics is a general term of all gymnastics projects, including athletics projects such as competitive gymnastics, artistic gymnastics and trampolines, and non-Olympic games projects such as competitive aerobics and skill sports. Wherein, the action of cleaving the leg is indispensable, in daily training, need to carry out the extension of shank ligament. Ligament stretching comprises passive stretching and active stretching, and when passive leg stretching is carried out, human assistance is generally needed, so that personal operation is inconvenient; when active leg stretching is performed, it is difficult for an individual to control the degree of stretching, and strain is easily caused.

Disclosure of Invention

An object of the utility model is to provide a stretching device is used in gymnastics training to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stretching device for gymnastic training, includes the casing, the inside of casing is equipped with passive tensile subassembly and initiative tensile subassembly, the one end of passive tensile subassembly and initiative tensile subassembly extends to the outside of the relative both sides wall of casing respectively.

Preferably, passive tensile subassembly includes gear and rack, the gear revolve connects inside the casing, the gear meshes with the rack mutually, the one end of rack is located the inside and the fixedly connected with limiting plate one of casing, the other end of rack extends to the outside and the fixedly connected with stretching plate one of casing, it is one still fixedly connected with slide bar between stretching plate one and the limiting plate one, a slide bar sliding connection is in the lateral wall of casing.

Preferably, the inside of the shell is also fixedly connected with a fixed sliding seat, and the first sliding rod is connected with the fixed sliding seat in a sliding manner.

Preferably, a collar is fixedly connected to the surface of the first stretching plate.

Preferably, the surface of the rack is also provided with scale marks.

Preferably, the initiative tensile subassembly includes slide bar two, slide bar two's one end fixedly connected with limiting plate two, slide bar two's the other end extends to the outside of casing and fixedly connected with stretching plate two, sliding connection has the regulation sliding seat on the slide bar two, it is equipped with the pressure spring still to overlap on the slide bar two, the pressure spring is located between regulation sliding seat and the limiting plate two.

Preferably, a pedal is fixedly connected to the surface of the second stretching plate.

Preferably, the lateral wall surface equidistance of casing has seted up the multiunit regulation hole, adjust one side fixedly connected with fixation nut of sliding seat, fixation nut female connection has fastening bolt, fastening bolt runs through in the regulation hole.

Preferably, the inside of casing still fixedly connected with reinforcing plate, fixedly connected with two sets of polished rods between the inside wall of reinforcing plate and casing, adjust sliding seat sliding connection in a set of polished rod.

Preferably, a rocking handle is arranged outside the shell and fixedly connected with a central shaft of the gear; the surface of the shell is also fixedly connected with two groups of grips.

Compared with the prior art, the beneficial effects of the utility model are that:

1) according to the stretching device for gymnastic training, the passive stretching assembly is arranged, the foot can be sleeved by the lantern ring, and the rocking handle is rotated to drive the stretching plate to stretch out, so that the ligament of the leg is gradually stretched; meanwhile, the stretching degree of the leg is controlled by matching with the scale marks on the surface of the rack, so that the control is convenient, the stretching operation can be independently carried out, and the strain caused by over-stretching can be avoided.

2) The stretching device for gymnastic training can be used in cooperation with stretching of the active leg part by arranging the active stretching assembly, and after the second stretching plate is pulled out, the sliding seat is fixed and adjusted through the fastening bolt, so that the stretching length of the second stretching plate can be fixed, and strain caused by over-stretching is avoided; when the foot is stretched, the foot is placed on the pedal, the handle is held to press the leg, the second stretching plate drives the second sliding rod to be pulled out to the position of the adjusting sliding seat when the leg is pressed, and the second stretching plate is pulled back through the compression spring to assist the stretching action and ensure the stretching effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a shell 1, a gear 2, a rack 3, a first limiting plate 4, a first stretching plate 5, a first sliding rod 6, a fixed sliding seat 7, a lantern ring 8, a second sliding rod 9, a second limiting plate 10, a second stretching plate 11, an adjustable sliding seat 12, a pedal 13, an adjusting hole 14, a fixing nut 15, a fastening bolt 16, a reinforcing plate 17, a polished rod 18, a rocking handle 19, a handle 20 and a pressure spring 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides a stretching device for gymnastic training, includes casing 1, and the inside of casing 1 is equipped with passive tensile subassembly and initiative tensile subassembly, and the one end of passive tensile subassembly and initiative tensile subassembly extends to the outside of the relative both sides wall of casing 1 respectively.

The passive stretching assembly comprises a gear 2 and a rack 3, the gear 2 is rotatably connected inside the shell 1, the gear 2 is meshed with the rack 3, one end of the rack 3 is located inside the shell 1 and is fixedly connected with a limiting plate I4, the other end of the rack 3 extends to the outside of the shell 1 and is fixedly connected with a stretching plate I5, a sliding rod I6 is further fixedly connected between the stretching plate I5 and the limiting plate I4, and the sliding rod I6 is slidably connected to the side wall of the shell 1; a fixed sliding seat 7 is fixedly connected inside the shell 1, and a first sliding rod 6 is slidably connected with the fixed sliding seat 7; the surface of the first stretching plate 5 is fixedly connected with a lantern ring 8; through setting up passive tensile subassembly, the foot is entangled to accessible lantern ring 8 to rotate rocking handle 19 and drive tensile board 5 through the cooperation of gear 2 and rack 3 and stretch out, thereby carry out gradual tensile to the shank ligament.

Wherein, the surface of rack 3 still is equipped with the scale mark, and the scale mark control shank on 3 surfaces of cooperation rack extends the degree, and the control of being convenient for can stretch the operation alone, also can avoid stretching excessively to cause the strain.

The active stretching assembly comprises a second sliding rod 9, one end of the second sliding rod 9 is fixedly connected with a second limiting plate 10, the other end of the second sliding rod 9 extends to the outside of the shell 1 and is fixedly connected with a second stretching plate 11, the second sliding rod 9 is connected with a regulating sliding seat 12 in a sliding mode, the second sliding rod 9 is further sleeved with a pressure spring 21, and the pressure spring 21 is located between the regulating sliding seat 12 and the second limiting plate 10; the surface of the second stretching plate 11 is fixedly connected with a pedal 13; a plurality of groups of adjusting holes 14 are formed in the surface of the side wall of the shell 1 at equal intervals, one side of the adjusting sliding seat 12 is fixedly connected with a fixing nut 15, a fastening bolt 16 is connected to the fixing nut 15 in an internal thread mode, and the fastening bolt 16 penetrates through the adjusting holes 14; the interior of the shell 1 is also fixedly connected with a reinforcing plate 17, two groups of polished rods 18 are fixedly connected between the reinforcing plate 17 and the inner side wall of the shell 1, and the adjusting sliding seat 12 is slidably connected with the group of polished rods 18; the active stretching assembly is arranged, the active stretching assembly can be used in cooperation with stretching of the active leg, after the second stretching plate 11 is pulled out, the second limiting plate 10 is fixed through the fastening bolt 16, the stretching length of the second stretching plate 11 can be fixed, and strain caused by over-stretching is avoided; when stretching, the feet are placed on the pedal 13, the handle 20 is held to press the legs, the second stretching plate 11 drives the second sliding rod 9 to be pulled out to the second limiting plate 10 when the legs are pressed, and the second stretching plate 11 is pulled back through the compression spring 21, so that the stretching action can be assisted, and the stretching effect is guaranteed.

Wherein, the outer part of the shell 1 is provided with a rocking handle 19, and the rocking handle 19 is fixedly connected with the central shaft of the gear 2; two groups of handles 20 are fixedly connected to the surface of the shell 1.

Principle of operation

When the stretching device for gymnastic training performs passive stretching action, the feet can be sleeved by the lantern ring 8 by arranging the passive stretching assembly, the rocking handle 19 is rotated to drive the stretching plate I5 to stretch out through the matching of the gear 2 and the rack 3, and therefore the leg ligaments are gradually stretched; meanwhile, the stretching degree of the leg is controlled by matching with the scale marks on the surface of the rack 3, so that the control is convenient, the stretching operation can be independently carried out, and the strain caused by over-stretching can be avoided;

when active stretching is carried out, the active stretching assembly is arranged, the active stretching assembly can be used in cooperation with stretching of the active leg, after the second stretching plate 11 is pulled out, the sliding seat 12 is fixedly adjusted through the fastening bolt 16, the stretching length of the second stretching plate 11 can be fixed, and strain caused by over-stretching is avoided; when stretching, the feet are placed on the pedal 13, the handle 20 is held to press the legs, the second stretching plate 11 drives the second sliding rod 9 to be pulled out to the position of the adjusting sliding seat 12 when the legs are pressed, and then the second stretching plate 11 is pulled back through the pressure spring 21, so that the stretching action can be assisted, and the stretching effect is ensured.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a stretching device for gymnastic training, includes casing (1), its characterized in that, the inside of casing (1) is equipped with passive tensile subassembly and the tensile subassembly of initiative, the outside of the relative both sides wall of casing (1) is extended respectively to passive tensile subassembly and the tensile subassembly of initiative one end.

2. The stretching device for gymnastic training as claimed in claim 1, wherein the passive stretching assembly comprises a gear (2) and a rack (3), the gear (2) is rotatably connected inside the housing (1), the gear (2) is meshed with the rack (3), one end of the rack (3) is located inside the housing (1) and is fixedly connected with a first limiting plate (4), the other end of the rack (3) extends to the outside of the housing (1) and is fixedly connected with a first stretching plate (5), a first sliding rod (6) is fixedly connected between the first stretching plate (5) and the first limiting plate (4), and the first sliding rod (6) is slidably connected to the side wall of the housing (1).

3. A stretching device for gymnastic training, as claimed in claim 2, wherein said shell (1) is also fixedly connected inside with a fixed sliding seat (7), said sliding rod one (6) being slidably connected with the fixed sliding seat (7).

4. A stretching device for gymnastic training, as claimed in claim 2, wherein the surface of said first stretching plate (5) is fixedly connected with a collar (8).

5. A gymnastic training tensile device according to claim 2, characterized in that the surface of the rack (3) is also provided with scale marks.

6. The stretching device for gymnastic training as claimed in claim 1, wherein the active stretching assembly comprises a second sliding rod (9), a second limiting plate (10) is fixedly connected to one end of the second sliding rod (9), a second stretching plate (11) is fixedly connected to the other end of the second sliding rod (9) and extends to the outside of the shell (1), a second adjusting sliding seat (12) is slidably connected to the second sliding rod (9), a pressure spring (21) is further sleeved on the second sliding rod (9), and the pressure spring (21) is located between the second adjusting sliding seat (12) and the second limiting plate (10).

7. A stretching device for gymnastic training as claimed in claim 6, wherein the surface of the second stretching plate (11) is fixedly connected with a pedal (13).

8. The stretching device for gymnastic training as claimed in claim 6, wherein a plurality of groups of adjusting holes (14) are formed in the side wall surface of the shell (1) at equal intervals, a fixing nut (15) is fixedly connected to one side of the adjusting sliding seat (12), a fastening bolt (16) is connected to the fixing nut (15) in an internal thread manner, and the fastening bolt (16) penetrates through the adjusting holes (14).

9. A stretching device for gymnastic training according to claim 6, wherein the inside of the shell (1) is fixedly connected with a reinforcing plate (17), two groups of polished rods (18) are fixedly connected between the reinforcing plate (17) and the inner side wall of the shell (1), and the adjusting sliding seat (12) is slidably connected with one group of polished rods (18).

10. A stretching device for gymnastic training, which is characterized in that a rocking handle (19) is arranged outside the shell (1), and the rocking handle (19) is fixedly connected with the central shaft of the gear (2); the surface of the shell (1) is also fixedly connected with two groups of handles (20).