CN215691408U

CN215691408U - Leg muscle exercising device with adjustable stretching force for swimming training

Info

Publication number: CN215691408U
Application number: CN202121604035.8U
Authority: CN
Inventors: 苏水军
Original assignee: Guangdong Ocean University
Current assignee: Guangdong Ocean University
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-02-01
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a leg muscle exercising device with adjustable stretching force for swimming training, which comprises a base, wherein the front side and the rear side of the base are fixedly connected with a shell, the inner wall of the shell is movably connected with a fixed plate, the top of one side, opposite to the fixed plate, of the fixed plate is fixedly connected with a handle, the outer surface of the shell is provided with a first manual bolt in a penetrating manner, one end, opposite to the first manual bolt, of the shell penetrates into the fixed plate, the right side of the top of the base is fixedly connected with a supporting tube, and the inner wall of the supporting tube is movably connected with a supporting rod. The utility model discloses possessing and adjusting tensile advantage, having solved current swimming training and having tempered device with shank muscle and at the in-process that uses, be not convenient for adjust the pulling force of tempering the device, influence the people of different constitutions easily and temper the device to shank muscle and use, be not convenient for highly adjust the seat of tempering the device and the handle, reduced the problem of tempering the device application range.

Description

Leg muscle exercising device with adjustable stretching force for swimming training

Technical Field

The utility model relates to the technical field of swimming training, in particular to a leg muscle exercising device with adjustable stretching force for swimming training.

Background

The swimming is that a person floats upwards under the action of buoyancy of water, the person regularly moves through limbs by virtue of the buoyancy, the swimming motion is used as one of sports items, the motion of a head, a trunk, arms and legs is utilized to enable the body to move or swim in the water, the swimming motion mainly comprises competitive swimming, practical swimming and the like, common swimming postures are generally divided into crawling swimming, breaststroke, butterfly swimming and backstroke, the crawling swimming speed is fastest, the breaststroke posture is more elegant, the bursting force of the butterfly swimming is strongest, the backstroke is most labor-saving, and when the person swims, the muscle of the legs is required to be used for swimming.

Present swimming training is tempered device with shank muscle is at the in-process that uses, is not convenient for adjust the pulling force of tempering the device, influences the people of different constitutions easily and tempers the device to shank muscle and uses, is not convenient for adjust the seat of tempering the device and the height of handle, has reduced the application range who tempers the device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a leg muscle exercising device with adjustable tension for swimming training, which has the advantage of tension adjustment and solves the problems that the tension of the exercising device is inconvenient to adjust in the using process of the existing leg muscle exercising device for swimming training, people with different physiques are easily influenced to use the leg muscle exercising device, the heights of a seat and a handle of the exercising device are inconvenient to adjust, and the using range of the exercising device is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a shank muscle exercise device for adjustable tensile force is used in swimming training, includes the base, the equal fixedly connected with casing in both sides around the base, the inner wall swing joint of casing has the fixed plate, the top fixedly connected with handle of the relative one side of fixed plate, the surface of casing runs through and is provided with first hand bolt, the relative one end of first hand bolt runs through to the fixed plate in, the right side fixedly connected with stay tube at base top, the inner wall swing joint of stay tube has the bracing piece, the top fixedly connected with seat of bracing piece, the front of stay tube runs through and is provided with second hand bolt, the rear end of second hand bolt runs through to the bracing piece in, the bottom of base has seted up movable chamber, the right side fixedly connected with slide bar of movable chamber inner wall, the surperficial movable sleeve of slide bar is equipped with the sliding sleeve, the equal fixedly connected with arm-tie in both sides around the sliding sleeve, the top fixedly connected with supporting seat of sliding sleeve, the top fixedly connected with footboard of supporting seat, the equal fixedly connected with gag lever post in both sides around the supporting seat, the bottom of gag lever post and the top swing joint of base, the left side of base is run through and is provided with the threaded rod, the right-hand member of threaded rod runs through the arm-tie and has the connecting plate through bearing swing joint, the left side fixedly connected with spring of connecting plate, the left end of spring and the right side fixed connection of arm-tie.

Preferably, a fixing hole is formed in the fixing plate, and the surface of the first manual bolt is in threaded connection with the inner wall of the fixing hole.

Preferably, the four corners of the bottom of the base are fixedly connected with supporting legs, and the bottom of each supporting leg is fixedly connected with a mounting plate.

Preferably, the top of the seat is fixedly connected with a seat cushion, and the left end of the sliding rod is fixedly connected with the left side of the inner wall of the movable cavity.

Preferably, the movable grooves are formed in the front side and the rear side of the left side of the top of the base, and the bottom of the limiting rod is movably connected with the bottom of the inner wall of each movable groove.

Preferably, the spring is located the surface of threaded rod, the screw hole that uses with the threaded rod cooperation is seted up in the left side of base, the left end fixedly connected with hand wheel of threaded rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the leg muscle exercising device, the problems that in the using process of the existing leg muscle exercising device for swimming training, the pulling force of the exercising device is inconvenient to adjust, people with different physiques are easy to affect to use the leg muscle exercising device, the heights of a seat and a handle of the exercising device are inconvenient to adjust, and the using range of the exercising device is reduced are solved through the matching use of the shell, the first manual bolt, the fixing plate, the threaded rod, the pedal, the supporting seat, the supporting tube, the movable cavity, the connecting plate, the spring, the sliding rod, the pulling plate, the sliding sleeve, the second manual bolt and the supporting rod.

2. The fixing plate can be conveniently installed by arranging the shell, the using height of the handle can be conveniently adjusted by matching the fixing plate with the first manual bolt, and the hand of a user can be conveniently supported by arranging the handle.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a bottom view of the present invention;

FIG. 3 is a front cross-sectional view of the support tube of the present invention.

In the figure: the device comprises a base 1, a shell 2, a first manual bolt 3, a fixing plate 4, a limiting rod 5, a movable groove 6, a hand wheel 7, a threaded rod 8, a pedal 9, a support seat 10, a handle 11, a seat 12, a support tube 13, a movable cavity 14, a connecting plate 15, a spring 16, a sliding rod 17, a pulling plate 18, a sliding sleeve 19, a second manual bolt 20 and a support rod 21.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The base 1, the shell 2, the first manual bolt 3, the fixed plate 4, the limiting rod 5, the hand wheel 7, the threaded rod 8, the pedal 9, the supporting seat 10, the handle 11, the seat 12, the supporting tube 13, the connecting plate 15, the spring 16, the sliding rod 17, the pulling plate 18, the sliding sleeve 19, the second manual bolt 20, the supporting rod 21 and other parts in the utility model are all universal standard parts or parts known by those skilled in the art, and the structure and principle of the parts can be known by technical manuals or conventional experimental methods.

Referring to fig. 1-3, a leg muscle exercising device with adjustable stretching force for swimming training comprises a base 1, wherein four corners of the bottom of the base 1 are fixedly connected with supporting legs, the bottom of each supporting leg is fixedly connected with a mounting plate, the front side and the rear side of the base 1 are fixedly connected with a shell 2, a fixing plate 4 can be conveniently mounted by arranging the shell 2, the inner wall of the shell 2 is movably connected with the fixing plate, the top of one side, opposite to the fixing plate 4, of the fixing plate 4 is fixedly connected with a handle 11, the hand of a user can be conveniently supported by arranging the handle 11, a first manual bolt 3 penetrates through the outer surface of the shell 2, the using height of the handle 11 can be conveniently adjusted by matching the fixing plate 4 with the first manual bolt 3, a fixing hole is formed in the fixing plate 4, the surface of the first manual bolt 3 is in threaded connection with the inner wall of the fixing hole, the opposite end of the first manual bolt 3 penetrates into the fixed plate 4, the right side of the top of the base 1 is fixedly connected with a supporting tube 13, the supporting rod 21 can be conveniently installed by arranging the supporting tube 13, the inner wall of the supporting tube 13 is movably connected with the supporting rod 21, the top of the supporting rod 21 is fixedly connected with a seat 12, the front of the supporting tube 13 is provided with a second manual bolt 20 in a penetrating way, the height of the seat 12 can be conveniently adjusted by matching the supporting rod 21 with the second manual bolt 20, the rear end of the second manual bolt 20 penetrates into the supporting rod 21, the bottom of the base 1 is provided with a movable cavity 14, the pulling plate 18 and the connecting plate 15 can be conveniently moved by arranging the movable cavity 14, the right side of the inner wall of the movable cavity 14 is fixedly connected with a sliding rod 17, the top of the seat 12 is fixedly connected with a seat cushion, and the left end of the sliding rod 17 is fixedly connected with the left side of the inner wall of the movable cavity 14, the surface of the sliding rod 17 is movably sleeved with a sliding sleeve 19, the spring 16 can be conveniently stretched by a user through the matching use of the sliding rod 17 and the sliding sleeve 19, the front side and the rear side of the sliding sleeve 19 are fixedly connected with pull plates 18, the top of the sliding sleeve 19 is fixedly connected with a supporting seat 10, the top of the supporting seat 10 is fixedly connected with a pedal 9, the leg of the user can conveniently push the pull plates 18 to move through the matching use of the supporting seat 10 and the pedal 9, the front side and the rear side of the supporting seat 10 are fixedly connected with limiting rods 5, the bottom of the limiting rods 5 is movably connected with the top of the base 1, the front side and the rear side of the left side of the top of the base 1 are respectively provided with a movable groove 6, the bottom of the limiting rods 5 is movably connected with the bottom of the inner wall of the movable groove 6, the supporting seat 10 can be conveniently limited to stably move through the matching use of the limiting rods 5 and the movable grooves 6, the left side of the base 1 is provided with a threaded rod 8 in a penetrating way, through setting up threaded rod 8, can be convenient for drive connecting plate 15 and spring 16 and remove and adjust spring 16's tensile length, the right-hand member of threaded rod 8 runs through arm-tie 18 and has connecting plate 15 through bearing swing joint, the left side fixedly connected with spring 16 of connecting plate 15, the left end of spring 16 and the right side fixed connection of arm-tie 18, spring 16 is located threaded rod 8's surface, the screw hole that uses with the cooperation of threaded rod 8 is seted up in base 1's left side, threaded rod 8's left end fixedly connected with hand wheel 7, through setting up hand wheel 7, can convenient to use person's rotatory threaded rod 8.

When the leg muscle exercise machine is used, the supporting rod 21 is moved on the inner wall of the supporting pipe 13, the height of the seat 12 is adjusted, the supporting rod 21 is fixed through the second manual bolt 20 after the adjustment is finished, the height of the handle 11 is adjusted through the inner wall moving fixing plate 4 of the shell 2, the fixing plate 4 is fixed through the first manual bolt 3 after the adjustment is finished, a user sits on the seat 12, holds the handle 11 through hands and places feet on the pedal 9, the user drives the supporting seat 10 and the sliding sleeve 19 to move leftwards through the leg force, the sliding sleeve 19 drives the pulling plate 18 and the pulling spring 16 to exercise leg muscles of the user, when the pulling force needs to be reduced, the threaded rods 8 on the front side and the rear side are simultaneously rotated through the rotating handle, the threaded rods 8 drive the connecting plate 15 to move rightwards, the pulling spring 16 of the connecting plate 15 reduces the pulling length of the spring 16, and the pulling length of the spring is in direct proportion, reducing the stretch length reduces the stretching force.

In summary, the following steps: this a device is tempered to shank muscle that is used for swimming training with adjustable tensile force, through casing 2, first manual bolt 3, fixed plate 4, threaded rod 8, footboard 9, supporting seat 10, stay tube 13, activity chamber 14, connecting plate 15, spring 16, slide bar 17, arm-tie 18, sliding sleeve 19, the cooperation of the manual bolt 20 of second and bracing piece 21 is used, the in-process of current swimming training device is being used is tempered with shank muscle to having solved, be not convenient for adjust the pulling force of exercise device, the people that influences different physiques easily uses shank muscle exercise device, be not convenient for adjust the seat of exercise device and the height of handle, the problem of exercise device application range has been reduced.

Claims

1. A shank muscle exercise device for swimming training with adjustable tensile force, includes base (1), its characterized in that: the utility model discloses a chair, including base (1), both sides all fixedly connected with casing (2) around base (1), the inner wall swing joint of casing (2) has fixed plate (4), the top fixedly connected with handle (11) of the relative one side of fixed plate (4), the surface of casing (2) runs through and is provided with first hand-operated bolt (3), the relative one end of first hand-operated bolt (3) runs through to in fixed plate (4), the right side fixedly connected with stay tube (13) at base (1) top, the inner wall swing joint of stay tube (13) has bracing piece (21), the top fixedly connected with seat (12) of bracing piece (21), the front of stay tube (13) runs through and is provided with second hand-operated bolt (20), the rear end of second hand-operated bolt (20) runs through to in bracing piece (21), movable chamber (14) have been seted up to the bottom of base (1), a sliding rod (17) is fixedly connected to the right side of the inner wall of the movable cavity (14), a sliding sleeve (19) is movably sleeved on the surface of the sliding rod (17), the front side and the rear side of the sliding sleeve (19) are both fixedly connected with pull plates (18), the top of the sliding sleeve (19) is fixedly connected with a supporting seat (10), the top of the supporting seat (10) is fixedly connected with a pedal (9), the front side and the rear side of the supporting seat (10) are both fixedly connected with limiting rods (5), the bottom of the limiting rod (5) is movably connected with the top of the base (1), a threaded rod (8) penetrates through the left side of the base (1), the right end of the threaded rod (8) penetrates through a pulling plate (18) and is movably connected with a connecting plate (15) through a bearing, the left side of connecting plate (15) fixedly connected with spring (16), the left end of spring (16) and the right side fixed connection of arm-tie (18).

2. The leg muscle exerciser with adjustable stretching force for swimming training of claim 1, wherein: the fixing plate (4) is provided with a fixing hole, and the surface of the first manual bolt (3) is in threaded connection with the inner wall of the fixing hole.

3. The leg muscle exerciser with adjustable stretching force for swimming training of claim 1, wherein: the four corners of the bottom of the base (1) are fixedly connected with supporting legs, and the bottom of each supporting leg is fixedly connected with a mounting plate.

4. The leg muscle exerciser with adjustable stretching force for swimming training of claim 1, wherein: the top of the seat (12) is fixedly connected with a seat cushion, and the left end of the sliding rod (17) is fixedly connected with the left side of the inner wall of the movable cavity (14).

5. The leg muscle exerciser with adjustable stretching force for swimming training of claim 1, wherein: the movable groove (6) has all been seted up to both sides around base (1) top left, the bottom of gag lever post (5) and the bottom swing joint of activity groove (6) inner wall.

6. The leg muscle exerciser with adjustable stretching force for swimming training of claim 1, wherein: the spring (16) is located the surface of threaded rod (8), the left side of base (1) is seted up with threaded rod (8) cooperation screw hole that uses, the left end fixedly connected with hand wheel (7) of threaded rod (8).