CN212914385U

CN212914385U - Stretcher for physical fitness

Info

Publication number: CN212914385U
Application number: CN202021715330.6U
Authority: CN
Inventors: 金勇�
Original assignee: East China Jiaotong University
Current assignee: East China Jiaotong University
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-04-09
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a stretcher for sports fitness, concretely relates to body-building apparatus field, including tensile heelpiece, the fixed articulated shaft that is equipped with in tensile heelpiece top one side, the articulated running-board that is connected with on the articulated shaft outer wall, the equal fixedly connected with bracing piece in both sides around the running-board, the rod end of every bracing piece all are fixed with first reel, be equipped with the second reel on the lateral wall around the tensile heelpiece that first reel one side corresponds respectively, through bearing fixed connection second pivot between two second reels. The utility model discloses a rotation of third reel is with the slow rolling of pulling force line to the outer wall of third reel, and the pulling force line of rolling on first reel and the top that begins to pull the running-board down rotate simultaneously, and the rotatory sole that drives along with the running-board is back to colluded, makes tiptoe and shank perpendicular, can effectually stretch the muscle of shank and thigh bottom, reaches better tensile effect.

Description

Stretcher for physical fitness

Technical Field

The utility model relates to a body-building apparatus field, more specifically say, the utility model relates to a stretcher for sports fitness.

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. With the fact that people pay more and more attention to personal health at present, more and more people select to exercise, a vital stretching exercise needs to be carried out before and after exercise, stretching actions of many people are not very standard, and therefore a stretching instrument is needed to assist people in stretching to achieve the best exercise effect, and meanwhile, the muscle or ligament of people can be prevented from being damaged due to over stretching.

Chinese patent discloses application number: 201921702662.8, but in practice, the stretching posture and strength cannot be well regulated and the stretching effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a stretcher for sports fitness, through the rotation of third reel with the slow rolling of tension line to the outer wall of third reel, the tension line of rolling on first reel simultaneously and the top that begins to pull the running-board down rotatory, compared with the prior art, the rotatory sole that drives along with the running-board colludes back, it is perpendicular with the shank to make the tiptoe, can effectually stretch the muscle of shank and thigh bottom, reach better tensile effect, in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a stretcher for physical fitness comprises a stretching base pad, wherein an articulated shaft is fixedly arranged on one side of the top of the stretching base pad, a pedal plate is articulated and connected on the outer wall of the articulated shaft, supporting rods are fixedly connected on the front side and the rear side of the pedal plate, a first winding drum is fixedly arranged at the rod end of each supporting rod, second winding drums are respectively arranged on the front side wall and the rear side wall of the stretching base pad corresponding to one side of each first winding drum, a second rotating shaft is fixedly connected between the two second winding drums through a bearing, the second rotating shaft penetrates through the front side wall and the rear side wall of the stretching base pad and is fixedly connected with the stretching base pad, a third winding drum is arranged on one side of each second winding drum, a first rotating shaft is connected between the two third winding drums through a bearing, a second handle is fixedly arranged on one side of each third winding drum, the first rotating shaft penetrates through the front side wall and the rear side wall of, one end of the tension line is fixedly connected with the outer wall of the third winding drum, the other end of the tension line is fixedly connected with the outer wall of the first winding drum, and one side of the pedal plate is provided with an ankle fixing component.

Preferably, the ankle fixing component comprises a top plate, two T-shaped sliding grooves are formed in two sides of the bottom of the top plate respectively, T-shaped sliding feet are arranged in the T-shaped sliding grooves in a sliding mode, and a fixing plate is fixedly connected to the bottoms of the T-shaped sliding feet.

Preferably, an arc-shaped groove is formed in the bottom of the fixing plate, a soft cushion is fixedly arranged on the inner wall of the arc-shaped groove, and the soft cushion is made of nitrile rubber.

Preferably, L-shaped support frames are respectively fixed on two sides of the top plate, and the bottoms of the L-shaped support frames are fixedly connected with the top wall of the stretching bottom cushion.

Preferably, the center of one side wall of each fixing plate is fixedly connected with a sliding block, a screw rod is arranged in each sliding block, the surface of the outer wall of each screw rod is symmetrically provided with a positive group of threads and a negative group of threads, the two sliding blocks correspond to the positive group of threads and the negative group of threads respectively and are in threaded connection with the positive group of threads and the negative group of threads, discs are fixed at two ends of each screw rod respectively, and a first handle is fixed at.

Preferably, the outer walls of the front end and the rear end of the screw rod are respectively provided with a limiting plate in a sleeved mode through a bearing, and one side of each limiting plate is fixedly connected with the L-shaped supporting frame.

Preferably, the outer walls of the first handle and the second handle are fixedly sleeved with anti-skidding sleeves.

Preferably, both ends all are equipped with the torsional spring around the articulated shaft.

The utility model discloses a technological effect and advantage:

1. the tension line is slowly wound on the outer wall of the third winding drum through the rotation of the third winding drum, and meanwhile, the tension line wound on the first winding drum starts to pull the top end of the pedal to rotate downwards;

2. the foot backs are pressed downwards and penetrate through the arc-shaped grooves formed in the fixing plates, then a first handle on one side is grabbed by hands to start rotating to adjust the distance between the two feet, the rotary disc drives the screw rod to rotate, and the two fixing plates can move oppositely or oppositely in the rotating process, so that the aim of freely adjusting the distance between the feet is fulfilled.

Drawings

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

Fig. 2 is a partial side view of the present invention.

Fig. 3 is a partial structural sectional view of the first rotating shaft and the second rotating shaft of the present invention.

Fig. 4 is an enlarged view of the ankle cinching assembly of the present invention.

Fig. 5 is an enlarged view of a partial structure of the T-shaped runner of the present invention.

The reference signs are: the novel multifunctional foot-pulling device comprises a stretching bottom pad 1, a hinged shaft 2, a pedal 3, a first winding drum 4, a second winding drum 5, a third winding drum 6, a supporting frame 7L-shaped, a disc 8, a first handle 9, a limiting plate 10, a top plate 11, a second handle 12, a tension line 13, a first rotating shaft 14, a second rotating shaft 15, a supporting rod 16, a lead screw 17, a sliding block 18, a sliding foot 19T-shaped, a sliding chute 20T-shaped, a fixing plate 21 and a soft pad 22.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a stretcher for physical fitness as shown in figures 1-5, which comprises a stretching bottom pad 1, wherein one side of the top of the stretching bottom pad 1 is fixedly provided with a hinged shaft 2, the outer wall of the hinged shaft 2 is hinged with a pedal plate 3, the front side and the rear side of the pedal plate 3 are both fixedly connected with supporting rods 16, the rod end of each supporting rod 16 is fixed with a first reel 4, the front side wall and the rear side wall of the stretching bottom pad 1 corresponding to one side of the first reel 4 are respectively provided with a second reel 5, a second rotating shaft 15 is fixedly connected between the two second reels 5 through a bearing, the second rotating shaft 15 penetrates through the front side wall and the rear side wall of the stretching bottom pad 1 and is fixedly connected with the stretching bottom pad 1, one side of the second reel 5 is provided with a third reel 6, a first rotating shaft 14 is connected between the two third reels 6 through a bearing, one side of the third reel 6 is fixedly provided with a, the first rotating shaft 14 penetrates through the front side wall and the rear side wall of the stretching base pad 1 and is fixedly connected with the stretching base pad 1, a tension line 13 is wound on the second winding drum 5, one end of the tension line 13 is fixedly connected with the outer wall of the third winding drum 6, the other end of the tension line 13 is fixedly connected with the outer wall of the first winding drum 4, and one side of the pedal plate 3 is provided with an ankle fixing component;

further, the ankle fixing component comprises a top plate 11, two T-shaped sliding grooves 20 are formed in two sides of the bottom of the top plate 11 respectively, T-shaped sliding feet 19 are arranged in the T-shaped sliding grooves 20 in a sliding mode, fixing plates 21 are fixedly connected to the bottoms of the T-shaped sliding feet 19, the T-shaped sliding grooves 20 and the T-shaped sliding feet 19 supplement each other, and stability of the ankle fixing component is improved.

Further, the arc wall has been seted up to fixed plate 21 bottom, the fixed cushion 22 that is equipped with on the arc wall inner wall, cushion 22 adopts butadiene acrylonitrile rubber, and butadiene acrylonitrile rubber has good foaming effect, so the soft resilience of sense of touch is better, improves user's use and experiences the sense.

Further, 11 both sides of roof are fixed with L shape support frame 7 respectively, L shape support frame 7 bottom and tensile heelpiece 1 roof fixed connection, L shape support frame 7 gets up whole ankle fixed component support, makes its stable fixed and tensile heelpiece on.

Furthermore, a sliding block 18 is fixedly connected to the center of one side wall of each fixing plate 21, a screw rod 17 is arranged in each sliding block 18, two sets of threads are symmetrically arranged on the outer wall surface of each screw rod 17, the two sliding blocks 18 correspond to the two sets of threads and are in threaded connection with the two sets of threads, discs 8 are fixed at two ends of each screw rod 17, a first handle 9 is fixed on the edge of one side wall of each disc 8, and the first handle 9 is selected to drive the screw rod 17 to rotate, so that the two sliding blocks 18 on the screw rod 17 can be adjusted.

Further, all through bearing housing, limiting plate 10 is equipped with on the outer wall of both ends around the lead screw 17, limiting plate 10 one side and L shape support frame 7 fixed connection have played support and spacing effect to lead screw 17, are coordinating the use of bearing simultaneously, let lead screw 17's rotation more smooth and easy.

Further, the outer wall of the first handle 9 and the outer wall of the second handle 12 are fixedly sleeved with anti-slip sleeves, so that the phenomenon of slipping can be caused when the palms of the hands after the movement grab the first handle 9 and the second handle 12, the anti-slip sleeves well avoid the situation, and the stretching movement can be normally carried out.

Furthermore, both ends all are equipped with the torsional spring around the articulated shaft 2, and the supplementary running-board 3 of torsional spring is kick-backed to original position, provides a reasonable rest and tidy time for the stretching motion.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, the device is entirely laid on the ground, then the bent legs are seated on the stretching base pad 1, the instep is pressed downwards and penetrates through an arc-shaped groove formed in the fixing plate 21, then the sole is attached to the pedal plate 3, the soft pad 22 is in direct contact with the human body, and the soft pad 22 is made of nitrile rubber, so that the nitrile rubber is soft in touch, good in resilience and good in friction, and the foot can be well fixed. And according to different use habits of the left hand and the right hand of a person, the first handles 9 are arranged on the two sides, then the first handle 9 on one side is held by a hand to start rotating to adjust the distance between the two feet, and the two fixing plates 21 can move oppositely or oppositely in the rotating process of the disc 8 because the two groups of threads are distributed on the outer surface of the screw rod 17, so that the aim of adjusting the distance between the feet is achieved. The T-shaped sliding foot 19 is driven to slide in the T-shaped sliding groove 20 when the fixing plate 21 displaces, and the T-shaped sliding foot 19 and the T-shaped sliding groove 20 are both of T-shaped structures, so that a certain supporting effect is exerted on the fixing plate 21 in the sliding process, and the stability of the device is improved;

referring to the attached drawings 1-5 of the specification, when the distance between feet is adjusted to be as wide as the shoulder, the rotation of the disc 8 is stopped, then the legs are straightened, one of the second handles 12 is grasped to start rotating the third winding drum 6, the tension line 13 is slowly wound onto the outer wall of the third winding drum 6 along with the rotation of the third winding drum 6, meanwhile, the tension line 13 which is originally wound on the first winding drum 4 is torn off, after the tension line 13 on the first winding drum 4 is wound, the tension line 13 starts to pull the top end of the pedal 3 to rotate downwards, the muscles at the bottoms of calves and thighs are stretched along with the extrusion of the soles of the feet 3, when the feet are stretched to the stretching limit, the feet are static for a period of time, then the second handle 12 is loosened, the torsional spring of the torsional spring sleeved on the hinged shaft 2 assists the pedal 3 to rebound, a rest interval is provided for stretching, and a better stretching effect is achieved, the stretching movement can be finished after the above steps are repeated for several times.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stretcher for physical fitness comprises a stretching base mat (1), and is characterized in that: an articulated shaft (2) is fixedly arranged on one side of the top of the stretching base pad (1), a pedal plate (3) is articulated and connected on the outer wall of the articulated shaft (2), supporting rods (16) are fixedly connected on the front side and the rear side of the pedal plate (3), a first reel (4) is fixed on the rod end of each supporting rod (16), second reels (5) are respectively arranged on the front side wall and the rear side wall of the stretching base pad (1) corresponding to one side of each first reel (4), a second rotating shaft (15) is fixedly connected between the two second reels (5) through a bearing, the second rotating shaft (15) penetrates through the front side wall and the rear side wall of the stretching base pad (1) and is fixedly connected with the stretching base pad (1), a third reel (6) is arranged on one side of each second reel (5), a first rotating shaft (14) is connected between the two third reels (6) through a bearing, a second handle (12) is fixedly arranged on one side of, first pivot (14) run through around tensile heelpiece (1) both sides wall and with tensile heelpiece (1) fixed connection, the rolling has pull line (13) on second reel (5), the one end and the third reel (6) outer wall fixed connection of pull line (13), the other end of pull line (13) and the outer wall fixed connection of first reel (4), one side of running-board (3) is equipped with the fixed subassembly of ankle.

2. A stretching unit for physical exercise according to claim 1, wherein: the fixed subassembly of ankle includes roof (11), two T shape spouts (20) have been seted up respectively to roof (11) bottom both sides, it is equipped with T shape smooth foot (19) to slide in T shape spout (20), the bottom fixedly connected with fixed plate (21) of T shape smooth foot (19).

3. A stretching machine for sports fitness according to claim 2, characterized in that: the fixed plate (21) bottom has been seted up the arc wall, fixed cushion (22) that are equipped with on the arc wall inner wall, cushion (22) adopt butadiene-acrylonitrile rubber.

4. A stretching machine for sports fitness according to claim 2, characterized in that: and L-shaped support frames (7) are respectively fixed on two sides of the top plate (11), and the bottoms of the L-shaped support frames (7) are fixedly connected with the top wall of the stretching base pad (1).

5. A stretching machine for sports fitness according to claim 4, characterized in that: every fixed plate (21) a lateral wall central authorities equal fixedly connected with slider (18), be equipped with lead screw (17) in two slider (18), lead screw (17) outer wall surface symmetry is equipped with two sets of positive and negative screw threads, and two slider (18) are corresponding and threaded connection with two sets of positive and negative screw threads respectively, the both ends of lead screw (17) are fixed with disc (8) respectively, a lateral wall edge of disc (8) is fixed with the first in command (9).

6. A stretching machine for sports fitness according to claim 5, characterized in that: all through bearing housing, limiting plate (10) is on both ends outer wall around lead screw (17), limiting plate (10) one side and L shape support frame (7) fixed connection.

7. A stretching machine for sports fitness according to claim 5, characterized in that: the outer walls of the first handle (9) and the second handle (12) are fixedly sleeved with anti-skidding sleeves.

8. A stretching unit for physical exercise according to claim 1, wherein: the front end and the rear end of the articulated shaft (2) are both provided with torsional springs in a sleeved mode.