CN210096813U

CN210096813U - Ligament passive stretching device

Info

Publication number: CN210096813U
Application number: CN201920513737.1U
Authority: CN
Inventors: 吴应广
Original assignee: HUNAN UNIVERSITY OF COMMERCE
Current assignee: HUNAN UNIVERSITY OF COMMERCE
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-02-21
Anticipated expiration: 2029-04-16

Abstract

The utility model provides a ligament is stretching device passively belongs to the tensile field of ligament. The technical scheme is as follows: be provided with circular recess on the circular base with one heart, be provided with the carousel in the circular recess, the circular base side is external to have the extension plate, extension plate circumference equipartition has four, is provided with the riser on the extension plate, and the roof is passed through at the riser top and is connected, controls and is provided with the two-way screw rod between the riser, and the two-way screw rod both ends all are provided with the slider through threaded connection, and the up end symmetry of carousel is provided with the articulated shaft, and the carousel passes through the connecting rod with the slider respectively and is connected, and connecting rod one end articulates on the slider, and the other end articulates on the articulated shaft, the beneficial effects of the utility model are that the ligament to the training.

Description

Ligament passive stretching device

Technical Field

The utility model relates to a tensile apparatus field of ligament especially relates to a passive stretching device of ligament.

Background

In modern society, people are more and more enjoying sports, especially yoga, dance, martial arts, taekwondo and other sports, and are more and more popular with the ordinary public, and in these sports, the stretching of ligament is very important basic work, and sometimes, even when individual carries out ligament stretching through stretching equipment, can avoid causing muscle strain when excessively stretching, and safety is ensured to some extent. However, because the willpower and the tolerance of people are different, some people can hardly achieve the stretching effect, so the ligament stretching needs to be performed by means of external force or the cooperation of a trainer, and the stretching effect achieved in the way is good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, convenience carry out passive stretching to training person's ligament to can effectively reduce the passive stretching device of ligament of coach physical power.

The utility model discloses a realize through following technical scheme: a ligament passive stretching device is characterized by comprising a circular base, wherein circular grooves are concentrically arranged on the circular base, a rotating disc is arranged in each circular groove, extension plates are externally connected to the side face of the circular base, four extension plates are circumferentially and uniformly distributed on each extension plate, vertical plates are arranged on the extension plates, the tops of the vertical plates are connected through a top plate, a bidirectional screw is arranged between the left vertical plate and the right vertical plate, two ends of the bidirectional screw are respectively provided with a sliding block through threaded connection, a rectangular opening is formed in the top plate between the left vertical plate and the right vertical plate, the sliding block is arranged in the rectangular opening, one end of a connecting rod is hinged to the center of the bottom of the sliding block, the other end of the connecting rod is hinged to a hinged shaft, and;

the upper end face of the rotary table is symmetrically provided with articulated shafts, the rotary table is connected with the sliding block through connecting rods respectively, one end of each connecting rod is articulated at the center of the bottom of the sliding block, and the other end of each connecting rod is articulated on the articulated shaft;

the top plate is symmetrically provided with baffle plates in the front-back direction, and the baffle plates are positioned on two sides of the rectangular opening.

The two-way screw rod rotates, because the connecting rod is spacing, two the slider can only toward equidirectional rectilinear movement, and then changes two the distance of ankle draw-in groove.

Furthermore, control between the riser and be located the fixed 2 spacing posts that are provided with in inside of rectangle mouth, spacing post symmetry sets up, slider bottom both sides are provided with the spacing groove, spacing post sets up spacing inslot is further right the slider carries on spacingly.

Further, ankle draw-in groove intermediate position is divided into two parts through the rectangular channel, ankle draw-in groove both ends are external to have the shank draw-in groove, the shank draw-in groove with the ankle draw-in groove passes through the circular arc transition. The circular arc transition can avoid user's foot and shank to receive the injury, also can set up the gasket that soft materials made at the draw-in groove inner wall, like the sponge etc. set up to two parts and can two people's simultaneous use, the rectangular channel is used for placing two people's foot, the width of shank draw-in groove will be than the width of ankle draw-in groove is wide.

The bottom of baffle is provided with the limiting plate, be provided with the round hole on the limiting plate, be provided with on the roof with the spacing mouth of limiting plate complex, the bottom of roof just is located spacing mouthful both sides are provided with the fixed plate, be provided with the notch on the fixed plate, the baffle is through passing the round hole with the bolted connection of notch. The back of a user leans against the baffle plate, the baffle plate can be adjusted to adapt to people with different heights for use, and the limiting plate can move back and forth along the limiting opening and the straight groove opening.

The lower terminal surface of ankle draw-in groove with the up end of roof flushes, two-way screw rod is located the below of roof guarantees user's comfort level.

And a connecting plate connected with the top plate is arranged in the middle of the limiting column. The connecting plate can limit the moving distance of the sliding block.

Be provided with the lightening hole on the carousel, the ankle draw-in groove or be provided with limit structure on the shank draw-in groove, can adopt the keeper structure, iron chain couple or elastic rope carry on spacingly. The purpose of using according to the situation of use is in order to avoid that the user's leg breaks away from the card slot.

Set up the notch on the carousel, the articulated shaft sets up in the notch, the bottom of articulated shaft is provided with fixation nut, be located on the articulated shaft fixation nut's top is provided with the external screw thread, the articulated shaft pass through the nut with the carousel is connected, circular base is provided with the circular port with one heart, the notch is located circular downthehole, two-way screw rod intermediate position is the optical axis.

One end of the bidirectional screw rod extends out of the vertical plate to be connected with a driving device, the driving device can be a manual handle, and a bidirectional motor with a speed reducer can be used. The motor can be added with a control structure for controlling the motor to rotate clockwise and anticlockwise in the prior art.

The utility model has the advantages that: simple structure, convenience are stretched passively to training person's ligament to can effectively reduce coach's physical power.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of a circular base and related parts.

Fig. 4 is a schematic structural diagram of the bottom of the present invention.

Fig. 5 is a partial schematic view of fig. 4 at B.

Fig. 6 is a schematic view of the structure with the top plate removed.

Wherein the reference numerals are: 1. a circular base; 2. a bidirectional screw; 3. a slider; 4. a baffle plate; 5. a turntable; 6. a connecting rod; 101. a circular groove; 102. an extension plate; 103. a left vertical plate; 104. a front vertical plate; 105. a rectangular opening; 106. a limiting column; 107. a limiting port; 108. a circular hole; 109. a connecting plate; 110. a fixing plate; 111. a straight notch II; 112. a top plate; 201. a manual handle; 301. an ankle slot; 302. a rectangular groove; 303. a leg clamping groove; 304. a limiting groove; 401. a limiting plate; 402. a second bolt; 501. a first straight notch; 502, bolt one; 503. lightening holes; 504. and a nut.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1-6, the utility model relates to a ligament passive stretching device, including circular base 1, circular base 1 is last to be provided with circular recess 101 with one heart, be provided with carousel 5 in the circular recess 101, circular base 1 side is external to have extension plate 102, extension plate 102 circumference equipartition has four, the extension plate 102 is last to be provided with the riser, the riser top is connected through roof 112, be provided with two-way screw rod 2 between left riser 103 and the right riser, two ends of two-way screw rod 2 all are provided with slider 3 through threaded connection, roof 112 is located and is provided with rectangle mouth 105 between left riser 103 and the right riser, slider 3 sets up in rectangle mouth 105, the top of slider 3 is provided with ankle draw-in groove 301 that the front-back direction was opened;

the upper end surface of the rotary disc 5 is symmetrically provided with a hinge shaft 505, the rotary disc 5 and the sliding block 3 are respectively connected through a connecting rod 6, one end of the connecting rod 6 is hinged at the central position of the bottom of the sliding block 3, and the other end is hinged on the hinge shaft 505;

the top plate 112 is symmetrically provided with baffle plates 4 in the front-rear direction, and the baffle plates 4 are positioned at both sides of the rectangular opening 105.

The two-way screw rod 2 rotates, and because the connecting rod 6 is spacing, two sliders 3 can only move along different directions, and then the distance between two ankle slots 301 is changed.

Further, the inside that just is located rectangle mouth 105 between left riser 103 and the right riser is fixed and is provided with 2 spacing posts 106, and spacing post 106 symmetry sets up, and 3 bottom both sides of slider are provided with spacing groove 304, and spacing post 106 sets up in spacing groove 304, further carries on spacingly to slider 3.

Further, the middle position of the ankle slot 301 is divided into two parts by the rectangular groove 302, leg slots 303 are connected to the two ends of the ankle slot 301 externally, and the leg slots 303 and the ankle slot 301 are in circular arc transition. The circular arc transition can avoid user's foot and shank to receive the injury, also can set up the gasket that soft materials made at the draw-in groove inner wall, like the sponge etc. set up to two parts and can two people use simultaneously, and rectangular channel 302 is used for placing two people's foot, and the width of shank draw-in groove 303 will be wider than ankle draw-in groove 301's width.

The bottom of baffle 4 is provided with limiting plate 401, is provided with the round hole on the limiting plate 401, is provided with on the roof 112 with limiting plate 401 complex spacing mouthful 107, the bottom of roof 112 just is located spacing mouthful 107 both sides and is provided with fixed plate 110, is provided with straight notch two 111 on the fixed plate 110, baffle 4 is connected through passing round hole and the second 402 of bolt of straight notch two 111. The back of the user leans against the baffle 4, and the adjustable baffle 4 can adapt to people with different heights.

The lower end face of the ankle slot 301 is flush with the upper end face of the top plate 112, and the bidirectional screw 2 is located below the top plate 112, so that the comfort level of a user is guaranteed.

A connecting plate 109 connected with the top plate 112 is arranged at the middle position of the limiting column 106. The connection plate 109 can limit the moving distance of the slider 3.

Be provided with lightening hole 503 on the carousel 5, be provided with limit structure on ankle draw-in groove 301 or the shank draw-in groove 303, can adopt the keeper structure, iron chain couple or elastic rope carry on spacingly. The purpose of using according to the situation of use is in order to avoid that the user's leg breaks away from the card slot.

Set up straight notch 501 on carousel 5, articulated shaft 505 sets up in straight notch 501, and the bottom of articulated shaft 505 is provided with fixation nut 502, and the top that lies in fixation nut 502 on the articulated shaft 505 is provided with the external screw thread, and articulated shaft 505 passes through nut 504 to be connected with carousel 5, and circular base 1 is provided with circular port 108 concentrically, and straight notch 501 is located

circular port

108, and 2 intermediate positions of two-way screw rod are the optical axis.

One end of the bidirectional screw rod 2 extends out of the vertical plate to be connected with a driving device, the driving device can be a manual handle 201, and a bidirectional motor with a speed reducer can be driven by the bidirectional motor in a mode that a hinge shaft 505 can be adjusted, so that the distance between the two sliding blocks 3 can be limited, and the injury to a user is avoided. The motor can be added with a control structure for controlling the motor to rotate clockwise and anticlockwise in the prior art.

The use, if adopt manual drive, only adjust the position of baffle 4 just can, if adopt motor drive, can be according to user's height condition, adjust the position of articulated shaft 505 to inject two 3 maximum distances of slider, avoid the distance between two sliders 3 too big like this, adjust the back, the user places the foot in ankle draw-in groove 301, slider 3 can move under two-way screw 2's rotation, so that realize the tensile effect of ligament.

The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.

Claims

1. A ligament passive stretching device is characterized by comprising a circular base, wherein circular grooves are concentrically arranged on the circular base, a rotary table is arranged in each circular groove, extension plates are externally connected to the side face of the circular base, four extension plates are circumferentially and uniformly distributed on each extension plate, vertical plates are arranged on the extension plates, the tops of the vertical plates are connected through a top plate, a bidirectional screw is arranged between the left vertical plate and the right vertical plate, two ends of the bidirectional screw are respectively provided with a sliding block through threaded connection, the top plate is positioned between the left vertical plate and the right vertical plate and is provided with a rectangular opening, the sliding blocks are arranged in the rectangular openings, ankle clamping grooves which are opened in the front-back direction are arranged at the tops of the sliding blocks, articulated shafts are symmetrically arranged on the upper end faces of the rotary table, the rotary table and the sliding blocks, the other end is hinged on the hinged shaft, baffles are symmetrically arranged in the front-back direction on the top plate and are positioned on two sides of the rectangular opening.

2. The ligament passive tension device according to claim 1, wherein 2 limiting columns are fixedly arranged between the left vertical plate and the right vertical plate and inside the rectangular opening, the limiting columns are symmetrically arranged, limiting grooves are arranged on two sides of the bottom of the sliding block, and the limiting columns are arranged in the limiting grooves.

3. The ligament passive stretching device according to claim 1, wherein the ankle slot is divided into two parts by a rectangular slot, leg slots are connected to two ends of the ankle slot, and the leg slots and the ankle slot are in circular arc transition.

4. The ligament passive stretching device according to claim 1, wherein a limiting plate is arranged at the bottom of the baffle, a round hole is arranged on the limiting plate, a limiting opening matched with the limiting plate is arranged on the top plate, a fixing plate is arranged at the bottom of the top plate and on two sides of the limiting opening, a straight groove opening is arranged on the fixing plate, and the baffle is connected through a bolt passing through the round hole and the straight groove opening.

5. The ligament passive tension device of claim 1, wherein a lower end surface of the ankle slot is flush with an upper end surface of the top plate, and the bidirectional screw is located below the top plate.

6. The ligament passive tension device according to claim 2, wherein a connecting plate connected with the top plate is arranged at the middle position of the limiting column.

7. The ligament passive tension device according to claim 3, wherein the rotation disc is provided with a lightening hole, and the ankle slot or the leg slot is provided with a limiting structure.

8. The ligament passive stretching device according to claim 1, wherein a straight notch is formed in the rotary table, the hinge shaft is disposed in the straight notch, a fixing nut is disposed at a bottom end of the hinge shaft, an external thread is disposed on the hinge shaft above the fixing nut, the hinge shaft is connected to the rotary table through a nut, the circular base is concentrically provided with a circular hole, and the straight notch is disposed in the circular hole.