CN211486392U

CN211486392U - Stretcher for physical fitness

Info

Publication number: CN211486392U
Application number: CN201922285137.7U
Authority: CN
Inventors: 杨若琳; 袁小光; 赵凤静; 李茜; 王嘉锘
Original assignee: Zhengzhou Vocational College of Finance and Taxation
Current assignee: Zhengzhou Vocational College of Finance and Taxation
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-15
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a stretcher for physical fitness, which comprises a sitting platform, wherein a rotary groove is arranged on one side of the sitting platform, the other side of the upper part of the sitting platform is fixedly connected with a backup plate, the rotary groove is rotationally connected with a second rotary shaft, one end of two rotary rods is fixedly connected on the second rotary shaft, the upper sides of the other ends of the two rotary rods are respectively provided with a leg rotating support structure, and the middle positions of the upper sides of the rotary rods are respectively provided with a leg fixing support structure and a binding structure; the two rotating rods are driven by adjusting the driving part to use the second rotating shaft as the center to adjust the opening angle, so that the slow positioning and stretching training of the two legs and the crotch of a human body can be conveniently realized, the binding structure is used for fixing the bending part of the knees when stretching, and the leg fixing and supporting structure and the leg rotating and supporting structure can realize the stable support of the legs.

Description

Stretcher for physical fitness

Technical Field

The utility model relates to a sports fitness equipment technical field, concretely relates to stretcher for sports fitness.

Background

The sport equipment is the general name of all equipment that the in-process that carries out sports education, competitive exercises and physical exercise used, the physical exercise means people according to needs self-selection, utilize various sports means, develop the health, promote health, the body building, the spirit is adjusted, richen cultural life and the physical activity of domination time for the purpose, in the motion of stretching muscles and bones and body-building increase, be not convenient for realize carrying out the tensile training of slow location to human both legs crotch department, be not convenient for when stretching to the fixed of the knee of legs knee bending.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sports is elongator for body-building in order to solve above-mentioned problem, has and is convenient for realize carrying out the tensile training of slow location to human two legs crotch department, is convenient for when tensile to advantages such as the fixed of the knee of leg, sees the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a stretcher for physical fitness, which comprises a sitting platform, wherein a rotary groove is formed in one side of the sitting platform, the other side of the upper part of the sitting platform is fixedly connected with a backup plate, the rotary groove is connected with a second rotary shaft in a rotary manner, one end of two rotary rods is fixedly connected to the second rotary shaft, a leg rotating support structure is arranged on the upper side of the other end of each of the two rotary rods, and a leg fixing support structure and a binding structure are respectively arranged in the middle position of the upper side of each of the rotary rods;

and an adjusting driving part is arranged between the two rotating rods and is used for adjusting the opening angle between the two rotating rods by taking the second rotating shaft as the center.

Preferably, the adjusting driving part comprises two guide rail plates distributed in parallel up and down, one ends of the two guide rail plates are fixedly connected to the sitting platform, the other ends of the two guide rail plates are fixedly connected with each other through an intermediate plate, a lead screw is arranged between the two guide rail plates, one end of the lead screw is rotatably connected to a rotating support block fixedly arranged in the rotating groove, and the other end of the lead screw penetrates through the intermediate plate and is fixedly connected with an adjusting rotating wheel;

two sliding connection has the slider with lead screw threaded connection between the guide rail board, the left and right sides of slider articulates the one end of connecting rod respectively, two the other end of connecting rod articulates respectively to two bull sticks on.

Preferably, the leg fixing and supporting structure comprises a supporting plate, the lower side of the supporting plate is fixedly arranged on the rotating rod, a supporting pad is fixedly connected to the upper side of the supporting plate, and a groove is formed in the upper surface of the supporting pad.

Preferably, the leg rotating and supporting structure comprises a U-shaped wheel frame with an upward opening, a supporting rotating wheel is rotatably connected between two side plates of the U-shaped wheel frame, an arc-shaped groove is formed in the outer side of the supporting rotating wheel, a first rotating shaft is fixedly connected to the lower side of the U-shaped wheel frame, and the lower end of the first rotating shaft is rotatably connected to the rotating rod.

Preferably, the binding structure comprises a binding band, one end of the binding band is fixedly connected to the rotating rod, the other end of the binding band is fixedly connected with a first buckle, the second buckle is fixedly arranged on one side of the rotating rod far away from the binding band, and the first buckle and the second buckle are matched and clamped with each other.

Preferably, the contact surfaces of the seat platform and the back plate with the human body are provided with soft cushions.

Preferably, the binding band is made of non-elastic cloth.

Has the advantages that: the two rotating rods are driven by adjusting the driving part to use the second rotating shaft as the center to adjust the opening angle, so that the slow positioning and stretching training of the two legs and the crotch of a human body can be conveniently realized, the binding structure is used for fixing the bending part of the knees when stretching, and the leg fixing and supporting structure and the leg rotating and supporting structure can realize the stable support of the legs.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

fig. 3 is a perspective view of fig. 1 according to the present invention.

The reference numerals are explained below: 1. a sitting platform; 2. rotating the groove; 3. an adjustment drive member; 31. adjusting the rotating wheel; 32. a slider; 33. a lead screw; 34. rotating the support block; 35. a guide rail plate; 36. a connecting rod; 4. a rotating rod; 5. a leg securing support structure; 5a, a support plate; 5b, a support pad; 6. a leg rotation support structure; 6a, a U-shaped wheel frame; 6b, supporting the rotating wheel; 6c, a first rotating shaft; 6d, arc-shaped grooves; 7. a backup plate; 8. a soft cushion; 9. a binding structure; 9a, binding bands; 9b, a first buckle; 9c, a second buckle; 10. a second rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a stretcher for physical fitness, which comprises a seat 1, a rotary groove 2 is arranged on one side of the seat 1, the other side of the upper part of the seat 1 is fixedly connected with a backup plate 7, a second rotary shaft 10 is connected in the rotary groove 2, one end of two rotary rods 4 is fixedly connected on the second rotary shaft 10, leg rotating support structures 6 are arranged on the upper sides of the other ends of the two rotary rods 4, and a leg fixing support structure 5 and a binding structure 9 are respectively arranged at the middle position of the upper side of the rotary rod 4;

an adjusting driving part 3 is arranged between the two rotating rods 4, and the adjusting driving part 3 is used for adjusting the opening angle between the two rotating rods 4 by taking the second rotating shaft 10 as the center.

The adjusting driving part 3 comprises two guide rail plates 35 which are distributed in parallel up and down, one ends of the two guide rail plates 35 are fixedly connected to the sitting platform 1, the other ends of the two guide rail plates 35 are fixedly connected with each other through an intermediate plate, a lead screw 33 is arranged between the two guide rail plates 35, one end of the lead screw 33 is rotatably connected to a rotating supporting block 34 fixedly arranged in the rotating groove 2, and the other end of the lead screw 33 penetrates through the intermediate plate and is fixedly connected with an adjusting rotating wheel 31; the slide block 32 in threaded connection with the lead screw 33 is connected between the two guide rail plates 35 in a sliding manner, the left side and the right side of the slide block 32 are respectively hinged with one end of a connecting rod 36, and the other ends of the two connecting rods 36 are respectively hinged to the two rotating rods 4. The adjusting rotary wheel 31 rotates to drive the fixedly connected screw rod 33 to rotate, the screw rod 33 rotates to drive the sliding block 32 connected with threads to slide between the two guide rail plates 35, the sliding block 32 slides to move to drive the connecting rod 36 to rotate and move in a hinged mode, and therefore the two rotary rods 4 are pushed to rotate by the rotation angle of the second rotary shaft 10, and stretching of the legs is achieved.

The leg fixing and supporting structure 5 comprises a supporting plate 5a, the lower side of the supporting plate 5a is fixedly arranged on the rotating rod 4, a supporting pad 5b is fixedly connected to the upper side of the supporting plate 5a, and a groove is formed in the upper surface of the supporting pad 5 b.

The leg rotating and supporting structure 6 comprises a U-shaped wheel frame 6a with an upward opening, a supporting rotating wheel 6b is rotatably connected between two side plates of the U-shaped wheel frame 6a, an arc-shaped groove 6d is formed in the outer side of the supporting rotating wheel 6b, a first rotating shaft 6c is fixedly connected to the lower side of the U-shaped wheel frame 6a, and the lower end of the first rotating shaft 6c is rotatably connected to the rotating rod 4. When the rotating rod 4 drives the leg to rotate, the U-shaped wheel frame 6a rotates by a certain angle along with the first rotating shaft 6c, so that relative friction is reduced, the contact with skin is protected, and adverse effects on stretching are avoided.

The binding structure 9 comprises a binding belt 9a, one end of the binding belt 9a is fixedly connected to the rotating rod 4, the other end of the binding belt 9a is fixedly connected with a first buckle 9b, a second buckle 9c is fixedly arranged on one side of the rotating rod 4 far away from the binding belt 9a, and the first buckle 9b and the second buckle 9c are matched and clamped with each other. When the leg is placed on the support pad 5b of the support structure 5, the binding belt 9a is wound over the leg and is matched with the first buckle 9b and the second buckle 9c to bind the leg, wherein the length of the binding belt 9a can be adjusted to be prior art, and the leg binding belt is well known to those skilled in the art and is suitable for different users.

The contact surfaces of the seat 1 and the backup plate 7 with the human body are provided with soft cushions 8. The user is more comfortable.

The binding belt 9a is made of non-elastic cloth. The binding belt 9a is prevented from being fixed in place at the bent part of the knee of the leg due to deformation.

Adopt above-mentioned structure, the user sits on sitting platform 1, the back supports and leans on backup plate 7, prescribe a limit to user's back through backup plate 7, then two shank are placed respectively on shank fixed stay structure 5 and shank rotate stay structure 6, wherein the ankle department of shank places on shank rotates stay structure 6, the knee department of shank places on shank fixed stay structure 5, after adjusting two bull sticks 4 of drive part 3 drive and use second pivot 10 to rotate for the center and open certain angle, shank rotates stay structure 6 and can rotate along with the rotation of shank ankle department, avoid rubbing too greatly to tensile the influence that causes.

The utility model has the advantages that: the two rotating rods 4 are driven by adjusting the driving part 3 to adjust the opening angle by taking the second rotating shaft 10 as the center, so that the slow positioning and stretching training of the two legs of the human body can be conveniently realized, the binding structure 9 is used for fixing the bending part of the knees of the legs during stretching, and the leg fixing and supporting structure 5 and the leg rotating and supporting structure 6 can realize the stable support of the legs.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A stretcher for physical fitness is characterized in that: the leg-fixing seat comprises a seat table (1), wherein a rotary groove (2) is formed in one side of the seat table (1), a backup plate (7) is fixedly connected to the other side of the upper portion of the seat table (1), a second rotary shaft (10) is rotatably connected to the rotary groove (2), one end of each of two rotary rods (4) is fixedly connected to the second rotary shaft (10), leg-rotating support structures (6) are arranged on the upper sides of the other ends of the two rotary rods (4), and a leg-fixing support structure (5) and a binding structure (9) are respectively arranged in the middle of the upper side of each rotary rod (4);

and an adjusting driving part (3) is arranged between the two rotating rods (4), and the adjusting driving part (3) is used for adjusting the opening angle between the two rotating rods (4) by taking the second rotating shaft (10) as the center.

2. A stretching machine for sports fitness according to claim 1, characterized in that: the adjusting driving part (3) comprises two guide rail plates (35) which are distributed in parallel up and down, one ends of the two guide rail plates (35) are fixedly connected to the sitting platform (1), the other ends of the two guide rail plates (35) are fixedly connected with each other through an intermediate plate, a lead screw (33) is arranged between the two guide rail plates (35), one end of the lead screw (33) is rotatably connected to a rotating supporting block (34) fixedly arranged in the rotating groove (2), and the other end of the lead screw (33) penetrates through the intermediate plate and is fixedly connected with an adjusting rotating wheel (31);

two sliding connection has slider (32) with lead screw (33) threaded connection between guide rail board (35), the left and right sides of slider (32) articulates respectively has the one end of connecting rod (36), two the other end of connecting rod (36) articulates respectively on two bull sticks (4).

3. A stretching machine for sports fitness according to claim 1, characterized in that: the leg fixing and supporting structure (5) comprises a supporting plate (5 a), the lower side of the supporting plate (5 a) is fixedly arranged on the rotating rod (4), a supporting pad (5 b) is fixedly connected to the upper side of the supporting plate (5 a), and a groove is formed in the upper surface of the supporting pad (5 b).

4. A stretching machine for sports fitness according to claim 1, characterized in that: the leg rotating and supporting structure (6) comprises a U-shaped wheel frame (6 a) with an upward opening, a supporting rotating wheel (6 b) is rotatably connected between two side plates of the U-shaped wheel frame (6 a), an arc-shaped groove (6 d) is formed in the outer side of the supporting rotating wheel (6 b), a first rotating shaft (6 c) is fixedly connected to the lower side of the U-shaped wheel frame (6 a), and the lower end of the first rotating shaft (6 c) is rotatably connected to a rotating rod (4).

5. A stretching machine for sports fitness according to claim 1, characterized in that: the binding structure (9) comprises a binding belt (9 a), one end of the binding belt (9 a) is fixedly connected to the rotating rod (4), the other end of the binding belt (9 a) is fixedly connected with a first buckle (9 b), a second buckle (9 c) is fixedly arranged on one side, away from the binding belt (9 a), of the rotating rod (4), and the first buckle (9 b) and the second buckle (9 c) are mutually matched and clamped.

6. A stretching machine for sports fitness according to claim 1, characterized in that: the contact surfaces of the seat (1) and the backup plate (7) with the human body are provided with soft pads (8).

7. A stretching apparatus for physical fitness according to claim 5, wherein: the binding belt (9 a) is made of non-elastic cloth.