CN114344821A

CN114344821A - Leg-separating leg muscle stretcher

Info

Publication number: CN114344821A
Application number: CN202111562206.XA
Authority: CN
Inventors: 朱超; 穆鹏; 武燕; 胡志斌; 刘苗地; 周茂华
Original assignee: Xinxiang University
Current assignee: Xinxiang University
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-04-15

Abstract

The utility model provides a leg-separating shank muscle stretcher, includes the base, rotates the first gear of installation through the stand on the base, and one side meshing cooperation of first gear is equipped with the second gear, and the one end of connecting the stay tube is rotated through one-way bearing to the bottom side of second gear, and the stay tube rotates and installs on the base, and one side meshing cooperation of worm wheel pipe is equipped with the worm, and the worm rotates to be installed on the base, the first helical gear of one end fixed mounting of worm, the vertical axis of antiport, latch device make worm wheel pipe and stay tube joint cooperation be connected. The leg folding device is simple in structure and ingenious in conception, can be used for enabling the legs to be stretched after being actively and quickly unfolded to a proper degree, is convenient to rapidly enter a stretching state, enables the legs to be actively and quickly folded after being folded in a small range when the legs are folded, enables the legs to swing in the processes of continuous unfolding and folding, releases the legs, can meet market requirements, and is suitable for popularization.

Description

Leg-separating leg muscle stretcher

Technical Field

The invention belongs to the field of fitness equipment, and particularly relates to a leg-separating type leg muscle stretcher.

Background

There are many stretchers for stretching ligament and leg muscle on the market, so that the flexibility of ligament of people is strengthened, muscle is exercised, a common leg-separating leg muscle stretcher opens legs by rotating a hand wheel, when the hip opening amplitude is small, the hand wheel needs to be rotated for a long time, and the stretching effect is achieved until the legs are stretched, so that the stretching efficiency is low, the legs are not stretched for a long time when being stretched, when pain is felt, the muscle or the ligament is torn, so that the legs need to be folded in time after being stretched for several minutes, the time consumed for folding the legs by rotating the hand wheel is long, the actual requirement cannot be met, the existing stretcher is single in function, and the actual requirement cannot be met, and therefore the leg-separating leg muscle stretcher is invented.

Disclosure of Invention

The invention provides a leg-separating leg muscle stretcher, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

a leg-separating leg muscle stretcher comprises a base, wherein a first gear is rotatably mounted on the base through an upright post, a second gear is arranged on one side of the first gear in a meshing fit manner, the bottom side of the second gear is rotatably connected with one end of a supporting tube through a one-way bearing, the supporting tube is rotatably mounted on the base, a worm gear pipe is movably sleeved on the periphery of the supporting tube, the worm gear pipe is rotatably mounted on the base, and the worm gear pipe and the supporting tube are connected in a clamping fit manner through a clamping device; a worm is arranged on one side of the worm wheel pipe in a meshing and matching mode, the worm is rotatably installed on the base, a first helical gear is fixedly installed at one end of the worm, a second helical gear is arranged on one side of the first helical gear in a meshing and matching mode, a vertical shaft is fixedly installed on the second helical gear, the vertical shaft is rotatably installed on the base, a hand wheel is fixedly installed at the upper end of the vertical shaft, a seat plate is fixedly installed on the base, a backrest is arranged on the seat plate, supporting plates are fixedly installed on the side surfaces of the first gear and the second gear respectively, and baffles are fixedly installed on the front side and the rear side of each supporting plate respectively; the vertical shaft is connected with the clamping device in a transmission fit mode, the vertical shaft is rotated in the forward direction, the clamping device is disconnected from the clamping fit connection between the worm gear pipe and the supporting pipe, the vertical shaft is rotated in the reverse direction, and the clamping device enables the worm gear pipe to be connected with the supporting pipe in a clamping fit mode.

As above a leg-separating shank muscle stretcher, latch device includes the driving lever, the several groove that passes through is evenly seted up to the periphery of stay tube, several bar-type draw-in groove is evenly seted up to the inner week of worm gear pipe, pass through the inslot and be equipped with the driving lever respectively, the middle part of driving lever with pass through the groove and be connected through torsional spring is articulated respectively, the lower extreme of driving lever can the screw in bar-type draw-in groove in, the support tube internalization is equipped with the shift ring, the internal rotation of shift ring installation screw, screw internal thread installation screw thread post, the one end of the one end fixed connection back shaft of screw post, the back shaft rotates and installs on the base, the one end of screw fixed connection spring beam, the other end and the base fixed connection of spring beam, the back shaft is connected with the vertical axis transmission.

According to the legged leg muscle stretcher, the base is hollow, the lower end of the vertical shaft extends into the base and is fixedly provided with the first chain wheel, the lower end of the supporting shaft extends into the base and is fixedly provided with the second chain wheel, and the first chain wheel is in transmission connection with the second chain wheel through the chain.

According to the leg-separating leg muscle stretcher, the first gear is connected with the upright post through the plurality of tension springs.

As above a leg-separating shank muscle stretcher, the periphery of stand is equipped with the external screw thread, and the nut is installed through external screw thread in the periphery of stand, and the bar spout is seted up to one side of stand, sliding installation slider in the bar spout, the periphery movable sleeve dress support ring of stand, the support ring rotate to be installed on the nut, slider and support ring fixed connection, the one end of the periphery fixed connection several extension spring of support ring, the other end and the first gear fixed connection of extension spring.

In the above legged leg muscle stretching machine, a row of a plurality of vertical rollers are fixedly mounted on opposite sides of the baffle respectively.

The invention has the advantages that: the leg folding device is simple in structure and ingenious in conception, can be used for enabling the legs to be stretched after being actively and quickly unfolded to a proper degree, is convenient to rapidly enter a stretching state, enables the legs to be actively and quickly folded after being folded in a small range when the legs are folded, enables the legs to swing in the processes of continuous unfolding and folding, releases the legs, can meet market requirements, and is suitable for popularization. When the leg stretching device is used, firstly, a user sits on a seat plate and leans against a backrest, two legs are placed on corresponding support plates, the legs are respectively positioned between two corresponding baffles, when the legs are stretched, the legs are firstly actively stretched by a proper angle, the user difficultly stretches the legs actively, at the moment, the hand wheel reversely rotates a vertical shaft, the vertical shaft drives a clamping device, the clamping device enables a worm gear pipe to be connected with a support pipe in a clamping and matching mode, meanwhile, the vertical shaft drives a first helical gear and a worm to rotate through a second helical gear, the worm drives the worm gear pipe and the support pipe to rotate, the support pipe drives a second gear to rotate through a one-way bearing, the second gear drives the first gear to rotate, and the first gear and the second gear respectively drive the corresponding support plates and the corresponding baffles to continue to stretch and rotate, so that the legs are stretched; when the legs are folded, the vertical shaft is rotated forwards through the hand wheel, the vertical shaft drives the clamping device, the clamping device enables the clamping fit connection between the worm gear pipe and the supporting pipe to be disconnected, the legs can actively drive the supporting plate to be folded fast, the supporting plate drives the second gear and the second gear to drive the supporting pipe to rotate through the one-way bearing when being folded, and the supporting pipe can rotate relative to the worm gear pipe.

Drawings

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

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view in the direction A of FIG. 1; fig. 3 is a view from direction B of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A leg-separating leg muscle stretcher is shown in the figure, and comprises a base 1, wherein a first gear 2 is rotatably installed on the base 1 through a stand column, the first gear 2 is rotatably installed at one end of the stand column through a bearing, the other end of the stand column is fixedly connected with the base 1, a second gear 3 is arranged on one side of the first gear 2 in a meshed fit mode, the first gear 2 and the second gear 3 are gears with the same model, the bottom side of the second gear 3 is rotatably connected with one end of a supporting tube 4 through a one-way bearing, the supporting tube 4 is rotatably installed on the base 1, the central lines of the supporting tube 4 and the second gear 3 are collinear, the other end of the supporting tube 4 is rotatably connected with the top side of the base 1 through a bearing, a worm gear tube 5 is movably sleeved on the periphery of the supporting tube 4, the central lines of the worm gear tube 5 and the supporting tube 4 are collinear, the worm gear tube 5 is rotatably installed on the base 1, one end of the worm gear tube 5 is rotatably connected with the base 1 through a bearing, the other end of the worm gear pipe 5 is rotationally connected with the second gear 3 through a bearing, and the worm gear pipe 5 is connected with the supporting pipe 4 in a clamping fit mode through a clamping device; one side of a worm gear pipe 5 is engaged and matched with a worm 6, the worm gear pipe 5 cannot drive the worm 6 to rotate, the worm 6 is rotatably installed on a base 1, two ends of the periphery of the worm 6 are rotatably connected with a shaft seat through bearings respectively, the shaft seat is fixedly installed on the base 1, one end of the worm 6 is fixedly installed with a first helical gear 7, one side of the first helical gear 7 is engaged and matched with a second helical gear 8, a vertical shaft 9 is fixedly installed on the second helical gear 8, the periphery of the vertical shaft 9 is fixedly connected with the inner periphery of the second helical gear 8, the central line of the second helical gear 8 is collinear with the central line of the vertical shaft 9, the vertical shaft 9 is rotatably installed on the base 1, a hand wheel 10 is fixedly installed at the upper end of the vertical shaft 9, a seat plate 11 is fixedly installed on the base 1, a backrest 12 is arranged on the seat plate 11, supporting plates 13 are fixedly installed on the side surfaces of a first gear 2 and a second gear 3 respectively, the first gear 2 and the second gear 3 are fixedly connected with the corresponding supporting plates 13 through connecting plates respectively, the supporting plate 13 is symmetrically distributed in the front and back, and the front side and the back side of the supporting plate 13 are respectively fixedly provided with a baffle plate 14; the vertical shaft 9 is connected with the clamping device in a transmission fit mode, the vertical shaft 9 is rotated in the forward direction, the clamping device is disconnected from the clamping fit connection between the worm gear pipe 5 and the supporting pipe 4, the vertical shaft 9 is rotated in the reverse direction, and the clamping device enables the worm gear pipe 5 to be connected with the supporting pipe 4 in a clamping fit mode. The leg folding device is simple in structure and ingenious in conception, can be used for enabling the legs to be stretched after being actively and quickly unfolded to a proper degree, is convenient to rapidly enter a stretching state, enables the legs to be actively and quickly folded after being folded in a small range when the legs are folded, enables the legs to swing in the processes of continuous unfolding and folding, releases the legs, can meet market requirements, and is suitable for popularization. When the leg stretching device is used, firstly, a user sits on a seat plate 11 and leans against a backrest 12, two legs are placed on corresponding support plates 13, the legs are respectively positioned between two corresponding baffle plates 14, when the legs are stretched, the legs are firstly actively stretched by a proper angle, the user tries to actively stretch the two legs, at the moment, a hand wheel 10 reversely rotates a vertical shaft 9, the vertical shaft 9 drives a clamping device, the clamping device enables a worm gear pipe 5 to be connected with a support pipe 4 in a clamping and matching mode, meanwhile, the vertical shaft 9 drives a first helical gear 7 and a worm 6 to rotate through a second helical gear 8, the worm 6 drives the worm gear pipe 5 and the support pipe 4 to rotate, the support pipe 4 drives a second gear 3 to rotate through a one-way bearing, the second gear 3 drives a first gear 2 to rotate, and the first gear 2 and the second gear 3 respectively drive the corresponding support plates 13 and the baffle plates 14 to continue to stretch and rotate, so that the legs are stretched; when the legs are folded, the vertical shaft 9 is rotated in the forward direction through the hand wheel 10, the vertical shaft 9 drives the clamping device, the clamping device enables the clamping fit connection between the worm gear pipe 5 and the supporting pipe 4 to be disconnected, the legs can actively drive the supporting plate 13 to be folded quickly, the supporting plate 13 drives the second gear 13 when being folded, the second gear 13 drives the supporting pipe 4 to rotate through the one-way bearing, and the supporting pipe 4 can rotate relative to the worm gear pipe 5.

Specifically, as shown in the figure, the clamping device of the present embodiment includes a shift lever 20, a plurality of through slots 21 are uniformly formed in the outer periphery of the support tube 4, a plurality of strip-shaped slots 22 are uniformly formed in the inner periphery of the worm wheel tube 5, the number of the strip-shaped slots 22 is several times that of the through slots 21, in this embodiment, two through slots 21 are provided, thirty-six strip-shaped slots 22 are provided, so that every ten degrees of rotation of the support tube 4 relative to the worm wheel tube 5, the shift lever 20 can be clamped into the corresponding through slots 21, the through slots 21 are respectively provided with the shift lever 20, the middle portion of the shift lever 20 is hinged to the through slots 21 respectively through a torsion spring, the shift lever 20 is rotatably connected to the through slots 21 through a hinge shaft, the outer periphery of the hinge shaft is movably sleeved with a torsion spring, one end of the torsion spring is fixedly connected to the shift lever 20, the other end of the torsion spring is fixedly connected to the through slots 21, the lower end of the shift lever 20 can be screwed into the strip-shaped slots 22, under the action of the torsion spring, the upper end of the shift lever 20 is folded inwards, a moving ring 23 is movably arranged in the supporting tube 4, a nut 24 is rotatably arranged in the moving ring 23, the outer periphery of the nut 24 is rotatably connected with the inner periphery of the moving ring 23 through a bearing, a threaded column 25 is arranged in the nut 24 through threads, one end of the threaded column 25 is fixedly connected with one end of a supporting shaft 26, the supporting shaft 26 is rotatably arranged on the base 1, the nut 24 is fixedly connected with one end of a spring rod 27, the other end of the spring rod 27 is fixedly connected with the base 1, and the supporting shaft 26 is in transmission connection with the vertical shaft 9. When the vertical shaft 9 is rotated, the vertical shaft 9 can drive the supporting shaft 26 to rotate forward or reversely, when the vertical shaft 9 is rotated to enable the supporting plate 13 to be separated, opened and moved, the vertical shaft 9 is rotated reversely, the vertical shaft 9 drives the supporting shaft 26 and the threaded column 25 to rotate reversely, the nut 24 drives the moving ring 23 to move downwards, the moving ring 23 is separated from the shift lever 20 until the nut 24 is separated from the threaded column 25, the spring rod 27 is compressed, the spring rod 27 forms upward thrust on the nut 24, and when the supporting shaft 26 rotates forward, the nut 24 can be meshed with the threaded column 25 again; at the moment, the lower end of the shift lever 20 can be screwed into the strip-shaped clamping groove 22 under the action of the torsion spring, when the shift lever 20 is not corresponding to the strip-shaped clamping groove 22, the support plate 13 drives the second gear 3 and the support tube 4 to rotate relative to the worm gear tube 5, so that the shift lever 20 is corresponding to the strip-shaped clamping groove 22, the lower end of the shift lever 20 can be screwed into the strip-shaped clamping groove 22, the worm gear tube 5 is connected with the support tube 4 in a clamping and matching manner and continuously rotates in the reverse direction along with the vertical shaft 9, and the worm gear tube 5 drives the support tube 4 and the second gear 3 to rotate in the reverse direction, so that the support plate 13 is separated and opened; when the supporting plate 13 needs to be rotated and folded oppositely, the vertical shaft 9 is rotated forwardly, the vertical shaft 9 drives the supporting shaft 26 and the threaded column 25 to rotate forwardly, the screw 24 drives the moving ring 23 to move upwards, the moving ring 23 pushes the upper end of the shifting rod 20 outwards, the lower end of the shifting rod 20 is moved out of the strip-shaped clamping groove 22, the worm gear pipe 5 and the supporting pipe 4 are connected and disconnected in a clamping fit mode, the supporting plate 13 can drive the second gear 3 and the supporting pipe 4 to rotate when moving, and at the moment, under the action of leg strength of a user, the supporting plate 13 is folded and opened rapidly.

Specifically, as shown in the figure, this embodiment the base 1 is inside hollow, and the lower extreme of vertical axis 9 stretches into the first sprocket 30 of base 1 internal fixation installation, and the lower extreme of back shaft 26 stretches into the second sprocket 31 of base 1 internal fixation installation, and the lower extreme of vertical axis 9 periphery, the lower extreme of back shaft 26 periphery pass through the bearing rotation with the preformed hole that the base 1 top corresponds respectively and are connected, and first sprocket 30 passes through the chain 32 transmission with second sprocket 31 and is connected. When the vertical shaft 9 rotates, the first chain wheel 30 is driven to rotate, and the first chain wheel 30 drives the second chain wheel 31 and the supporting shaft 26 to rotate through the chain 32.

Further, as shown in the drawings, the first gear 2 and the upright are connected by a plurality of tension springs 40. The tension spring 40 can increase the resistance of the first gear 2 to the rotation of the opposite column, thereby increasing the resistance of the leg to prop the supporting plate 13 open and increasing the effect of the leg strength training.

Furthermore, as shown in the figure, in the present embodiment, an external thread is disposed on the periphery of the pillar, the nut 50 is installed on the periphery of the pillar through the external thread and the thread, the bar-shaped chute 51 is opened on one side of the pillar, the sliding block 52 is installed in the bar-shaped chute 51 in a sliding manner, the support ring 53 is movably sleeved on the periphery of the pillar, the support ring 53 is installed on the nut 50 in a rotating manner, the sliding block 52 is fixedly connected with the support ring 53, the periphery of the support ring 53 is fixedly connected with one end of the plurality of tension springs 40, and the other end of the tension spring 40 is fixedly connected with the first gear 2. Through twisting nut 50, nut 50 drives support ring 53 and reciprocates, and support ring 53 drives slider 52 and slides along bar spout 51, adjusts the elasticity of extension spring 40 to the realization is to the regulation of shank strength training dynamics.

Further, as shown in the drawings, a row of vertical rollers 60 is fixedly installed on the opposite sides of the baffle plate 14. The vertical rollers 60 can reduce friction between the legs and the barrier 14, and when the vertical rollers 60 rub the legs, the rotating vertical rollers 60 can massage the legs, increasing the blood circulation effect.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a leg-separating formula shank muscle stretcher which characterized in that: the worm gear type gear rack comprises a base (1), wherein a first gear (2) is rotatably installed on the base (1) through an upright column, a second gear (3) is arranged on one side of the first gear (2) in a meshed fit mode, the bottom side of the second gear (3) is rotatably connected with one end of a supporting pipe (4) through a one-way bearing, the supporting pipe (4) is rotatably installed on the base (1), a worm gear pipe (5) is movably sleeved on the periphery of the supporting pipe (4), the worm gear pipe (5) is rotatably installed on the base (1), and the worm gear pipe (5) is connected with the supporting pipe (4) in a clamping fit mode through a clamping device; a worm (6) is arranged on one side of a worm wheel pipe (5) in a meshing fit mode, the worm (6) is rotatably installed on a base (1), a first helical gear (7) is fixedly installed at one end of the worm (6), a second helical gear (8) is arranged on one side of the first helical gear (7) in a meshing fit mode, a vertical shaft (9) is fixedly installed on the second helical gear (8), the vertical shaft (9) is rotatably installed on the base (1), a hand wheel (10) is fixedly installed at the upper end of the vertical shaft (9), a seat plate (11) is fixedly installed on the base (1), a backrest (12) is arranged on the seat plate (11), supporting plates (13) are fixedly installed on the side surfaces of the first gear (2) and the second gear (3) respectively, and baffles (14) are fixedly installed on the front side and the rear side of the supporting plates (13) respectively; the vertical shaft (9) is connected with the clamping device in a transmission fit mode, the vertical shaft (9) is rotated in the forward direction, the clamping device is disconnected from the clamping fit connection between the worm gear pipe (5) and the supporting pipe (4), the vertical shaft (9) is rotated in the reverse direction, and the clamping device enables the worm gear pipe (5) to be connected with the supporting pipe (4) in a clamping fit mode.

2. A legged leg muscle stretcher as claimed in claim 1, characterized in that: the clamping device comprises a shifting rod (20), a plurality of through grooves (21) are uniformly formed in the periphery of a supporting tube (4), a plurality of strip-shaped clamping grooves (22) are uniformly formed in the inner periphery of a worm wheel tube (5), the shifting rod (20) is respectively arranged in the through grooves (21), the middle of the shifting rod (20) is hinged to the through grooves (21) through torsion springs, the lower end of the shifting rod (20) can be screwed into the strip-shaped clamping grooves (22), a moving ring (23) is movably arranged in the supporting tube (4), a screw (24) is rotatably arranged in the moving ring (23), a threaded column (25) is internally threaded in the screw (24), one end of a supporting shaft (26) of the threaded column (25) is fixedly connected, the supporting shaft (26) is rotatably arranged on a base (1), one end of a spring rod (27) is fixedly connected with the screw (24), the other end of the spring rod (27) is fixedly connected with the base (1), and the supporting shaft (26) is in transmission connection with a vertical shaft (9).

3. A legged leg muscle stretcher as claimed in claim 2, characterized in that: the base (1) is hollow inside, the lower end of the vertical shaft (9) extends into the base (1) and is fixedly provided with a first chain wheel (30), the lower end of the supporting shaft (26) extends into the base (1) and is fixedly provided with a second chain wheel (31), and the first chain wheel (30) is in transmission connection with the second chain wheel (31) through a chain (32).

4. A legged leg muscle stretcher as claimed in claim 1, characterized in that: the first gear (2) is connected with the upright post through a plurality of tension springs (40).

5. The legged leg muscle stretcher according to claim 4, characterized in that: the periphery of stand is equipped with the external screw thread, and external screw thread mounting nut (50) are passed through to the periphery of stand, and bar spout (51) are seted up to one side of stand, and slidable mounting slider (52) in bar spout (51), the periphery activity suit support ring (53) of stand, and support ring (53) rotate to be installed on nut (50), slider (52) and support ring (53) fixed connection, the one end of the periphery fixed connection several extension spring (40) of support ring (53), the other end and first gear (2) fixed connection of extension spring (40).

6. A legged leg muscle stretcher as claimed in claim 1, characterized in that: and a row of a plurality of vertical rollers (60) are fixedly arranged on the opposite sides of the baffle plate (14) respectively.