CN220918042U

CN220918042U - Waist twisting machine capable of reducing side tilting force

Info

Publication number: CN220918042U
Application number: CN202322315209.4U
Authority: CN
Inventors: 李赛卓
Original assignee: Zhejiang New Olympic Sports Equipment Co ltd
Current assignee: Zhejiang New Olympic Sports Equipment Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-05-10
Anticipated expiration: 2033-08-28

Abstract

The utility model relates to a waist twisting machine capable of reducing rolling force, which comprises a mounting column, wherein the lower end of the mounting column is fixedly connected with an up-down axial supporting tube through a connecting rod, the upper end of the supporting tube is coaxially and rotatably connected with a pedal through a bearing, an up-down axial through hole is formed in an inner ring of the bearing, a mounting ring is coaxially and fixedly connected in the through hole, the inner side of the mounting ring is connected with a limiting gear through gear teeth in a meshed transmission manner, the lower end of the limiting gear is fixedly connected with an inner rod, namely, the rotating speed of the limiting gear determines the rotating speed of the pedal, so that the characteristic that the pedal is inclined to force the limiting gear to displace is actually utilized, the pressing force and friction resistance are applied to the inner rod through a limiting tube on the outer side of the inner rod, the limiting gear can be restrained, the rotating speed during inclination is restrained, and the rolling force of the pedal in the rotating process during inclination is reduced, so that the safety of a user is ensured.

Description

Waist twisting machine capable of reducing side tilting force

Technical Field

The utility model relates to the technical field of sports equipment, in particular to a waist twisting machine capable of reducing side-tipping force.

Background

The waist twisting machine is a sport apparatus which can realize the activity and exercise of waist muscles through the non-unification of the motion states of the upper body and the lower body of a user.

At present, common waist twisting machines in parks are instruments for training the lower body of a user by twisting the lower body of the user and keeping the upper body of the user motionless, and the instruments can occupy space area in the process of maximum movement and improve space utilization rate.

The existing waist twisting machine placed in the park is generally kept fixed on a ground mounting column, the lower end of the mounting column is fixedly connected with an upper and lower axial supporting tube through a connecting rod, the upper end of the supporting tube is connected with a pedal through coaxial rotation of a bearing, in practice, a user stands on the pedal, the upper body is kept motionless by utilizing a handrail at the upper end of the mounting column, the lower body can freely rotate by utilizing the bearing, and the activity and exercise of waist muscles are realized.

However, the prior art device mainly depends on the bearing to realize rotation, and the bearing inevitably generates certain deformation in the long-term use process, especially in a heavy-load working environment, and reflects that the pedal is inclined. Meanwhile, since the tilting rotation generates a large roll force, which tends to cause the user to fly out of the pedal during the rotation of the lower body, it is not safe, and therefore, it is considered that there is a need for a waist twisting machine capable of reducing the roll force when the pedal is tilted.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a waist twisting machine for reducing the rolling force, which has the advantage of reducing the rolling force when a pedal is inclined, and solves the defect that the rolling force is unsafe when the pedal is inclined and rotated for a long time in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a reduce waist machine of turning round of power of inclining, includes with ground fixed connection and upper and lower axial erection column, erection column upper end fixedly connected with handrail, a plurality of connecting rods have been arranged to erection column lower extreme circumference, and the connecting rod is kept away from erection column one end upside fixedly connected with upper and lower axial stay tube, and the stay tube upper end is connected with the footboard through bearing coaxial rotation, bearing inner race upper end and footboard fixed connection, bearing outer lane lower extreme and stay tube coaxial fixed connection, axial through-hole about having been seted up to the bearing inner race, through-hole and bearing central axis coincidence, axial collar about fixedly connected with in the through-hole, a plurality of teeth of a cogwheel have been arranged to the inboard circumference of collar, the inboard of collar is connected with a limiting gear through the meshing transmission of the teeth of cogwheel, and a limiting gear lower extreme coaxial fixedly connected with inner rod, a coaxial fixedly connected with sleeve pipe in the stay tube, the intraductal coaxial fixedly connected with rubber material's resistance tube of sleeve, the inner rod is pegged graft in the resistance tube, and the inner rod outer lane diameter equals with resistance tube inner race diameter.

Preferably, the diameter of the outer ring of the limiting gear is smaller than that of the inner ring of the mounting ring, and the limiting gear is in meshed transmission connection with one end gear tooth at the inner side of the mounting ring.

Preferably, the connecting ring is sleeved on the inner rod, a plurality of compression springs with horizontal central axes are circumferentially distributed on the outer side of the connecting ring, and the other axial ends of the compression springs are fixedly connected with the inner wall of the sleeve.

Preferably, the compression spring is internally and coaxially sleeved with a telescopic rod, one axial end of the telescopic rod is fixedly connected with the inner wall of the sleeve, and the other axial end of the telescopic rod is fixedly connected with the connecting ring.

Preferably, the number of the connecting rings is two, and the two connecting rings are arranged up and down along the central axis of the inner rod.

Preferably, a gap exists between the limiting gear and the pedal, and the distance between the limiting gear and the pedal is not less than five millimeters.

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

According to the utility model, through the meshed transmission connection between the gear teeth and the limiting gear, the rotating speed of the limiting gear determines the rotating speed of the pedal, meanwhile, when the pedal is inclined, the limiting gear can be forced to displace, at the moment, the limiting pipe is utilized to apply the pressing force and the friction resistance to the inner rod, so that the limiting gear can be restrained, the rotating speed during inclination is restrained, the side-tipping force of the pedal in the rotating process during inclination is reduced, and the safety of a user is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the bearing and support tube position relationship of the present utility model;

FIG. 3 is a schematic view of the bearing and pedal position relationship of the present utility model;

FIG. 4 is a schematic diagram of the meshed transmission of the gear teeth and the limiting gear of the present utility model;

FIG. 5 is a schematic view of the inner rod and spacing tube of the present utility model;

FIG. 6 is a schematic view of the inner rod and connecting ring of the present utility model.

In the figure: 1. an armrest; 2. a mounting column; 3. a pedal; 4. a connecting rod; 5. a support tube; 6. a bearing; 7. a limit gear; 8. a sleeve; 9. a mounting ring; 10. gear teeth; 11. an inner rod; 12. a resistance tube; 13. a compression spring; 14. a telescopic rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 6, a waist twisting machine for reducing a roll force includes a mounting post 2 fixedly connected with the ground and axially up and down, wherein an armrest 1 is fixedly connected to an upper end of the mounting post 2, so that a user can stabilize an upper half body through the armrest 1.

The installation post 2 lower extreme circumference has arranged a plurality of connecting rods 4, and axial stay tube 5 about connecting rod 4 keep away from installation post 2 one end upside fixedly connected with, and the coaxial rotation of bearing 6 is connected with footboard 3 in stay tube 5 upper end, and in practice the user stands on footboard 3, stabilizes the upper half body through handrail 1, drives the twist of lower half body through rotating footboard 3, utilizes the non-uniformity of upper and lower half body motion to realize the exercise process to the waist.

Specifically, the upper end of the inner ring of the bearing 6 is fixedly connected with the pedal 3, and the lower end of the outer ring of the bearing 6 is coaxially and fixedly connected with the supporting tube 5, so that the bearing 6 is utilized to realize the rotary connection between the supporting tube 5 and the pedal 3.

An upper and lower axial through hole is formed in the inner ring of the bearing 6, the through hole coincides with the central axis of the bearing 6, and an upper and lower axial mounting ring 9 is fixedly connected in the through hole.

The plurality of gear teeth 10 are circumferentially distributed on the inner side of the mounting ring 9, and a limiting gear 7 is connected on the inner side of the mounting ring 9 through the gear teeth 10 in a meshing transmission manner, namely, in practice, the outer ring of the bearing 6 is fixedly connected with the supporting tube 5 and kept still, the inner ring of the bearing 6 is fixedly connected with the pedal 3, so that the inner ring of the bearing 6 rotates along with the pedal 3 when the pedal 3 rotates, and at the moment, the limiting gear 7 rotates along with the mounting ring 9 and the inner ring of the bearing 6 due to the meshing transmission connection. Therefore, the rotational speed of the pedal 3 can be restrained by limiting the rotational speed of the limit gear 7, so that the user safety is ensured by reducing the side-rolling force by the restraining speed in the case where the inclination angle is fixed.

Specifically, the lower end of the limiting gear 7 is coaxially and fixedly connected with an inner rod 11.

A sleeve pipe 8 is coaxially and fixedly connected in the supporting pipe 5, and a resistance pipe 12 made of rubber material is coaxially and fixedly connected in the sleeve pipe 8.

The inner rod 11 is inserted into the resistance tube 12, and the resistance tube 12 is made of rubber, so that the inner rod 11 can perform relative movement relative to the resistance tube 12, in practice, due to the fact that the limiting gear 7 is in meshed transmission connection with the mounting ring 9, when the pedal 3 tilts to cause the inner ring of the bearing 6 to drive the mounting ring 9 to tilt, the limiting gear 7 is forced to drive the inner rod 11 to perform relative movement by the inclined surface, and at the moment, the sleeve 8 is fixedly connected with the support tube 5, so that the inner rod 11 presses the resistance tube 12, the inner rod 11 is constrained by using the pressing force and the friction force, and the rotation speed of the inner rod 11 is forced to be reduced, so that the restriction on the rotation speed of the mounting ring 9, namely the pedal 3 is realized.

The diameter of the outer ring of the inner rod 11 is equal to the diameter of the inner ring of the resistance tube 12, namely, when the inner rod 11 does not generate relative displacement, the resistance tube 12 does not restrict the relative movement of the inner rod 11, and in the earlier use process of the device, a user can freely exercise the waist by utilizing the pedal 3 when the pedal 3 does not incline.

Furthermore, the diameter of the outer ring of the limiting gear 7 is smaller than that of the inner ring of the mounting ring 9, and the limiting gear 7 is in meshed transmission connection with one gear tooth 10 at one end of the inner side of the mounting ring 9, so that stroke collision between the limiting gear 7 and the mounting ring 9 is avoided, and the limiting gear 7 is ensured to be influenced by the mounting ring 9 to perform relative movement.

Furthermore, the inner rod 11 is sleeved with a connecting ring with a horizontal central axis, the connecting ring is fixedly connected with the support tube 5 through the telescopic rod 14, the inner rod 11 and the support tube 5 are fixedly connected to restrain the movement track of the inner rod 11, the inner rod is guaranteed to do linear movement only, the inner rod cannot incline along with the mounting ring 9, the contact area between the resistance tube 12 and the inner rod 11 can be increased, and the restraining effect of the resistance tube 12 on the inner rod 11 is fully exerted.

Specifically, the telescopic rod 14 is composed of a plurality of sections of sleeves 8, and adjacent sleeves 8 are mutually nested and connected in a sliding manner.

Meanwhile, the compression spring 13 is sleeved outside the telescopic rod 14, one axial end of the compression spring 13 is abutted against the inner wall of the sleeve 8, the other axial end of the compression spring 13 is abutted against the connecting ring, the compression spring 13 is utilized to limit the inner rod 11, so that the inner rod can automatically reset after relatively moving, and the pedal 3 can be reset to be kept in a horizontal state.

Furthermore, the number of the connecting rings is two, the two connecting rings are vertically distributed along the central axis of the inner rod 11, the two connecting rings are utilized to restrain the inner rod 11, the influence of the inclined thrust exerted on the inner rod 11 by the mounting ring 9 on the single connecting ring is reduced, and the reliability of the whole device in use is ensured.

It should be emphasized that a gap should exist between the limiting gear 7 and the pedal 3, and the distance between the limiting gear 7 and the pedal 3 is not less than five millimeters, so that when the pedal 3 is askew, the lower end surface of the pedal 3 does not directly act on the limiting gear 7 to damage the limiting gear 7.

The utility model is in the actual use process:

Firstly, if the pedal 3 is used for a long time, the bearing 6 is influenced by the weight of the user for a long time, so that the bearing is deformed, and when the user stands on the pedal 3, the pedal 3 is skewed;

afterwards, the pedal 3 drives the inner ring of the bearing 6 to force the mounting ring 9 to skew, and at the moment, the inclined surface at the inner side of the mounting ring 9 forces the limiting gear 7 to move towards the central axis of the mounting ring 9;

Then, the limiting gear 7 drives the inner rod 11 to press the resistance tube 12, and at the moment, the resistance tube 12 is pressed to apply pressing force and friction resistance to the inner rod 11 to restrict the rotation speed of the inner rod 11;

Finally, after the user training is finished, the pressure on the pedal 3 is withdrawn, at this time, the mounting ring 9 only applies pressure to the limiting gear 7 by means of gravity, at this time, under the action of the plurality of compression springs 13, the inner rod 11 is reset, and at the same time, the limiting gear 7 is driven by the inner rod 11 to move, and the limiting gear 7 forces the mounting ring 9 and the pedal 3 to keep horizontal.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reduce waist machine of turning round of power of heeling, include with ground fixed connection and upper and lower axial erection column (2), erection column (2) upper end fixedly connected with handrail (1), a plurality of connecting rods (4) have been arranged to erection column (2) lower extreme circumference, connecting rod (4) keep away from erection column (2) one end upside fixedly connected with upper and lower axial stay tube (5), stay tube (5) upper end is connected with footboard (3) through bearing (6) coaxial rotation, its characterized in that: the upper end of the inner ring of the bearing (6) is fixedly connected with the pedal (3), and the lower end of the outer ring of the bearing (6) is coaxially and fixedly connected with the supporting tube (5);

An inner ring of the bearing (6) is provided with an up-down axial through hole, the through hole coincides with the central axis of the bearing (6), an up-down axial mounting ring (9) is fixedly connected in the through hole, and a plurality of gear teeth (10) are circumferentially distributed on the inner side of the mounting ring (9);

the inner side of the mounting ring (9) is in meshed transmission connection with a limiting gear (7) through gear teeth (10), and the lower end of the limiting gear (7) is coaxially and fixedly connected with an inner rod (11);

The inner part of the supporting tube (5) is coaxially and fixedly connected with a sleeve (8), the sleeve (8) is coaxially and fixedly connected with a resistance tube (12) made of rubber, the inner rod (11) is inserted into the resistance tube (12), and the diameter of the outer ring of the inner rod (11) is equal to that of the inner ring of the resistance tube (12).

2. The lumbar twisting machine for reducing roll force according to claim 1, wherein: the diameter of the outer ring of the limiting gear (7) is smaller than that of the inner ring of the mounting ring (9), and the limiting gear (7) is in meshed transmission connection with one gear tooth (10) at one end of the inner side of the mounting ring (9).

3. The lumbar twisting machine for reducing roll force according to claim 1, wherein: the connecting ring is sleeved on the inner rod (11), a plurality of compression springs (13) with horizontal central axes are circumferentially distributed on the outer side of the connecting ring, and the other axial end of each compression spring (13) is fixedly connected with the inner wall of the sleeve (8).

4. A twisting frame for reducing roll force according to claim 3, wherein: the compression spring (13) is internally and coaxially sleeved with a telescopic rod (14), one axial end of the telescopic rod (14) is fixedly connected with the inner wall of the sleeve (8), and the other axial end of the telescopic rod (14) is fixedly connected with the connecting ring.

5. A twisting frame for reducing roll force according to claim 3, wherein: the number of the connecting rings is two, and the two connecting rings are arranged up and down along the central axis of the inner rod (11).

6. The lumbar twisting machine for reducing roll force according to claim 1, wherein: a gap exists between the limiting gear (7) and the pedal (3), and the distance between the limiting gear (7) and the pedal (3) is not less than five millimeters.