CN217311772U

CN217311772U - Novel stretcher for physical fitness

Info

Publication number: CN217311772U
Application number: CN202122994434.6U
Authority: CN
Inventors: 李建东; 高珊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-08-30
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a novel stretcher for physical fitness, which belongs to the technical field of physical fitness equipment, a first spring and a protective sleeve are fixedly connected between a left supporting column and a right supporting column, a protective hole is arranged at the central position of the protective sleeve, a connecting groove is arranged at one end of the left supporting column and one end of the right supporting column, a left pull rod and a right pull rod are respectively connected with one end of the left supporting column and one end of the right supporting column through the connecting groove by screw threads, a sliding hole is arranged at one end of the right pull rod, the novel stretcher for physical fitness not only extrudes the spring under the driving of a movable rod through an extrusion plate arranged, thereby completing the tension training, the falling and separation of the spring and the pull rod can be avoided, the extrusion plate arranged at the same time has the function of adjusting the position, further adjusting the elastic strength of the tension training spring, and the protective sleeve arranged has the function of bending elasticity, thereby avoiding the arm strength training spring from being exposed outside, the use safety of the arm strength training spring is greatly improved.

Description

Novel stretcher for physical fitness

Technical Field

The utility model relates to a sports fitness equipment technical field, more specifically say, relate to a novel stretcher for sports fitness.

Background

Gymnastics is a sports item, such as various bare-handed gymnastics, rhythm exercises, gymnastics and various self-resistance actions, and the gymnastics can enhance strength and flexibility, increase endurance, improve coordination and control the abilities of all parts of the body, thereby strengthening the body.

At present, sports fitness equipment is various in the market, including the stretcher for sports fitness as disclosed in bulletin number CN213049149U, but the crooked spring is exposed for the exercise arm strength that the stretcher set up, under long-time crooked elasticity, can lead to the spring to break, and then cause the spring fish tail that the user was broken, and the one end and the connecting piece of the tension spring who sets up lead to the separation that drops easily at long-time pulling in-process, and can't adjust tension spring's elasticity intensity according to actual need, thereby adapt to different crowds and use, for this reason, we have designed a novel stretcher for sports fitness, solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Problem to exist among the prior art, the utility model aims to provide a novel stretcher for sports fitness, this novel stretcher for sports fitness extrudees the spring under the drive of movable rod through the stripper plate that sets up to accomplish the pulling force training, not only can avoid spring and pull rod to drop the separation, the stripper plate that sets up simultaneously has adjusting position's function, and then adjust the elastic strength of pulling force training spring, and the lag of setting has the function of crooked elasticity, can avoid arm strength training spring to expose outside, great improvement the safety in utilization of arm strength training spring.

In order to solve the above problems, the utility model adopts the following technical proposal.

A novel stretcher for physical fitness comprises a left supporting column and a right supporting column, wherein a first spring and a protective sleeve are fixedly connected between the left supporting column and the right supporting column, a protective hole is formed in the central position of the protective sleeve, connecting grooves are formed in one ends of the left supporting column and the right supporting column, one ends of the left supporting column and the right supporting column are respectively in threaded connection with a left pull rod and a right pull rod through the connecting grooves, a sliding hole is formed in one end of the right pull rod, a movable rod is connected to the inner wall of the sliding hole in a sliding mode, a second spring is sleeved on the outer side of the movable rod, the surface of the second spring is in contact connection with the inner wall of the sliding hole, an extrusion plate is connected to one end of the second spring in a contact mode, an anti-dropping plate is connected to the other end of the second spring in a contact mode, a holding ring is fixedly connected to one end of the movable rod, and the novel stretcher for physical fitness extrudes the spring under the driving of the movable rod through the extrusion plate, thereby accomplish the pulling force training, not only can avoid spring and pull rod to drop the separation, the stripper plate that sets up simultaneously has the function of adjusting position, and then adjusts the elastic strength of pulling force training spring to the lag of setting has the function of crooked elasticity, can avoid arm strength training spring to expose outside, great improvement the safety in utilization of arm strength training spring.

Furthermore, a threaded hole is formed in one surface of the extrusion plate, external threads matched with the internal threads of the threaded hole are formed in the surface of the movable rod, the inner wall of the threaded hole is in threaded connection with the surface of the movable rod, and the position of the extrusion plate can be adjusted on the surface of the movable rod under the action of the threads, so that the second spring is extruded, and the elastic strength of the second spring is adjusted.

Further, the shape of stripper plate is the polygon, the fixed cover in surface of stripper plate has connect the cushion, the surface of cushion is connected with the inner wall contact of slide opening, and the shape of stripper plate and slide opening is the polygon, can avoid the movable rod to take place to skid rotatoryly, and the cushion can avoid the movable rod to produce moreover and rock.

Furthermore, the fixed cover that has cup jointed in surface of movable rod has prevented the slip cover, the material of preventing the slip cover is elasticity wear-resisting rubber, the surface of preventing the slip cover is equipped with anti-skidding line, and the slip cover not only has skid-proof effect, can avoid the hand fraying moreover.

Further, the side of anticreep board and the inner wall fixed connection of slide opening, the through-hole has been seted up on the surface of anticreep board, the inner wall of through-hole is connected with the surface contact of movable rod, and the anticreep board is used for restricting the one end position of second spring, has spacing anticreep function.

Furthermore, an external thread is formed on the surface of one end of the right pull rod, an internal thread is formed on the inner wall of the connecting groove, and the right pull rod and the right support column have the functions of disassembling and assembling.

Furthermore, first spring is in the guard hole, and the guard hole that sets up can not influence the bending of first spring, can avoid first spring to collapse back piece simultaneously and pop out the lag.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through the stripper plate extrusion spring under the drive of movable rod that sets up to accomplish the pulling force training, not only can avoid spring and pull rod separation that drops, the stripper plate that sets up simultaneously has the function of adjusting position, and then adjusts the elastic strength of pulling force training spring, and the lag of setting has the function of crooked elasticity, can avoid the army to train the spring and expose outside, great improvement the safety in utilization of army training spring.

(2) A threaded hole is formed in one surface of the extrusion plate, external threads matched with the internal threads of the threaded hole are formed in the surface of the movable rod, the inner wall of the threaded hole is in threaded connection with the surface of the movable rod, and the extrusion plate is arranged and can be used for adjusting the position of the surface of the movable rod under the action of the threads, so that the second spring is extruded, and the elastic strength of the second spring is adjusted.

(3) The shape of stripper plate is the polygon, and the fixed cover in surface of stripper plate has connect the cushion, and the surface of cushion is connected with the inner wall contact of slide opening, and the shape of stripper plate and slide opening is the polygon, can avoid the movable rod to take place to skid rotatory, and the cushion can avoid the movable rod to produce moreover and rock.

(4) The fixed cover in surface of movable rod has connect the antiskid cover, and the material of antiskid cover is elasticity wear-resisting rubber, and the surface of antiskid cover is equipped with anti-skidding line, and the antiskid cover not only has skid-proof effect, can avoid the hand to grind in addition.

(5) The side of anticreep board and the inner wall fixed connection of slide opening, the through-hole has been seted up on the surface of anticreep board, and the inner wall of through-hole is connected with the surface contact of movable rod, and the anticreep board is used for restricting the one end position of second spring, has spacing anticreep function.

(6) The surface of one end of the right pull rod is provided with an external thread, the inner wall of the connecting groove is provided with an internal thread, and the right pull rod and the right support column have a disassembling and assembling function.

(7) The first spring is in the guard hole, and the guard hole of setting can not influence the bending of first spring, can avoid first spring to collapse disconnected back piece simultaneously and pop out the lag.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a sectional view of the left and right support columns and the protective sleeve mounting structure of the present invention;

FIG. 3 is a sectional view of the mounting structure of the right pull rod and the movable rod of the present invention;

FIG. 4 is a side view of the extrusion plate structure of FIG. 3;

fig. 5 is a side view of the anti-separation plate structure of fig. 3.

The reference numbers in the figures illustrate:

the anti-slip device comprises a left supporting column 1, a connecting groove 11, a right supporting column 2, a first spring 21, a protecting sleeve 3, a protecting hole 31, a left pull rod 4, a right pull rod 5, a sliding hole 51, a movable rod 52, an anti-slip sleeve 53, a holding ring 54, a squeezing plate 6, an elastic pad 61, a second spring 62, a threaded hole 63, an anti-slip plate 7 and a through hole 71.

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.

Referring to fig. 1-5, a novel stretcher for physical training comprises a left support column 1 and a right support column 2, referring to fig. 1-5, a first spring 21 and a protective sleeve 3 are fixedly connected between the left support column 1 and the right support column 2, the first spring 21 is an arm strength training bending spring, belonging to the prior art, the protective sleeve 3 is a corrugated pipe, the inner wall of the protective sleeve is connected with a spring steel wire, the first spring 21 is not only convenient to bend, but also convenient to automatically reset, and simultaneously the first spring 21 is prevented from being exposed, a protective hole 31 is arranged at the center of the protective sleeve 3, one end of each of the left support column 1 and the right support column 2 is provided with a connecting groove 11, one end of each of the left support column 1 and the right support column 2 is respectively connected with a left pull rod 4 and a right pull rod 5 through the connecting groove 11 in a threaded manner, the left pull rod 4 and the right pull rod 5 have the same composition structure, one end of the right pull rod 5 is provided with a slide hole 51, inner wall sliding connection of slide opening 51 has movable rod 52, second spring 62 has been cup jointed in the outside of movable rod 52, second spring 62 is the tension training spring, the function that has the partition combination, make things convenient for the change in later stage, the surface of second spring 62 is connected with slide opening 51's inner wall contact, the one end contact of second spring 62 is connected with stripper plate 6, stripper plate 6 is used for restricting the one end position of second spring 62, the while adjusts the elastic strength that extrudees the position and change first spring 62, the other end contact of second spring 62 is connected with anticreep board 7, the one end fixedly connected with of movable rod 52 holds ring 54, it trains user's hand gripping power to hold ring 54, belong to prior art.

Referring to fig. 3 and 4, a threaded hole 63 is formed in one surface of the extrusion plate 6, an external thread matched with the internal thread of the threaded hole 63 is formed in the surface of the movable rod 52, the inner wall of the threaded hole 63 is in threaded connection with the surface of the movable rod 52, the position of the arranged extrusion plate 6 can be adjusted on the surface of the movable rod 52 under the action of the thread, so that the second spring 62 is extruded, the elastic strength of the second spring 62 is adjusted, the shape of the extrusion plate 6 is polygonal, the elastic pad 61 is sleeved on the surface of the extrusion plate 6, the surface of the elastic pad 61 is in contact connection with the inner wall of the sliding hole 51, the shapes of the extrusion plate 6 and the sliding hole 51 are both polygonal, the sliding rotation of the movable rod 52 can be avoided, and the elastic pad 61 can avoid the movable rod 52 from shaking.

Referring to fig. 1 and 5, the anti-slip sleeve 53 is sleeved on the surface of the movable rod 52, the anti-slip sleeve 53 is made of elastic wear-resistant rubber, anti-slip patterns are arranged on the surface of the anti-slip sleeve 53, the anti-slip sleeve 53 has an anti-slip function and can prevent hands from being worn, the side surface of the anti-slip plate 7 is fixedly connected with the inner wall of the sliding hole 51, a through hole 71 is formed in the surface of the anti-slip plate 7, the inner wall of the through hole 71 is connected with the surface of the movable rod 52 in a contact manner, and the anti-slip plate 7 is used for limiting one end of the second spring 62 and has a limiting and anti-slip function.

Referring to fig. 2, an external thread is formed on a surface of one end of the right pull rod 5, an internal thread is formed on an inner wall of the connecting groove 11, a disassembling and assembling function is provided between the right pull rod 5 and the right support column 2, the first spring 21 is located in the protection hole 31, the protection hole 31 does not affect bending of the first spring 21, and meanwhile, fragments can be prevented from popping out of the protection sleeve 3 after the first spring 21 is broken.

When the elasticity strength of the second spring 62 needs to be adjusted, the novel stretcher for physical training can rotate the right pull rod 5 anticlockwise, so that the right pull rod 5 moves rightwards to be detached from the right support column 2, then the movable rod 52 moves leftwards to expose the extrusion plate 6, then the extrusion plate 6 is rotated to adjust the elasticity, when the extrusion plate 6 rotates clockwise to move rightwards, the elasticity of the second spring 62 is strengthened, when the extrusion plate 6 rotates anticlockwise to move leftwards, the elasticity of the second spring 62 is reduced, then the left pull rod 4 is adjusted according to the method, then the movable rod 52 is held to horizontally stretch towards the left side and the right side, the second spring 62 is extruded by the arranged extrusion plate 6 under the driving of the movable rod 52, so that the tension training is completed, the second spring 62 is prevented from falling off and separating from the pull rod, and the arranged extrusion plate 6 has the function of adjusting the position, and then adjust the elastic strength of pulling force training spring, increase the application range of elongator, can be crooked with the elongator simultaneously, through bending first spring 21, carry out the arm power training, the lag 3 that sets up has the function of crooked elasticity, can avoid the first spring 21 of arm power training to expose outside, prevent that first spring 21 accident from collapsing back fish tail user absolutely, great improvement the safety in utilization of the first spring 21 of arm power training.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a novel elongator for sports fitness, includes left branch dagger (1) and right branch dagger (2), its characterized in that: the anti-dropping device is characterized in that a first spring (21) and a protective sleeve (3) are fixedly connected between the left supporting column (1) and the right supporting column (2), a protective hole (31) is formed in the center of the protective sleeve (3), a connecting groove (11) is formed in one end of each of the left supporting column (1) and the right supporting column (2), one end of each of the left supporting column (1) and the right supporting column (2) is respectively in threaded connection with a left pull rod (4) and a right pull rod (5) through the connecting groove (11), a sliding hole (51) is formed in one end of the right pull rod (5), a movable rod (52) is slidably connected to the inner wall of the sliding hole (51), a second spring (62) is sleeved on the outer side of the movable rod (52), the surface of the second spring (62) is in contact connection with the inner wall of the sliding hole (51), one end of the second spring (62) is in contact connection with a squeezing plate (6), and the other end of the second spring (62) is in contact connection with an anti-dropping plate (7), one end of the movable rod (52) is fixedly connected with a holding ring (54), a threaded hole (63) is formed in one surface of the extrusion plate (6), an external thread matched with the internal thread of the threaded hole (63) is formed in the surface of the movable rod (52), and the inner wall of the threaded hole (63) is in threaded connection with the surface of the movable rod (52).

2. The novel stretching device for physical fitness according to claim 1, wherein: the shape of the extrusion plate (6) is polygonal, an elastic pad (61) is fixedly sleeved on the surface of the extrusion plate (6), and the surface of the elastic pad (61) is in contact connection with the inner wall of the sliding hole (51).

3. The novel stretching device for physical fitness according to claim 1, wherein: the surface of the movable rod (52) is fixedly sleeved with an anti-slip sleeve (53), the anti-slip sleeve (53) is made of elastic wear-resistant rubber, and anti-slip lines are arranged on the surface of the anti-slip sleeve (53).

4. The novel stretching device for physical fitness according to claim 1, wherein: the side of anticreep board (7) and the inner wall fixed connection of slide opening (51), through-hole (71) have been seted up on the surface of anticreep board (7), the inner wall of through-hole (71) is connected with the surface contact of movable rod (52).

5. The novel stretching device for physical fitness according to claim 1, wherein: an external thread is arranged on the surface of one end of the right pull rod (5), and an internal thread is arranged on the inner wall of the connecting groove (11).

6. The novel stretching device for physical fitness according to claim 1, wherein: the first spring (21) is located in a protective hole (31).