CN220513355U

CN220513355U - Built-in limiting lower limb strength training device

Info

Publication number: CN220513355U
Application number: CN202322110298.9U
Authority: CN
Inventors: 周志刚; 康徐宇
Original assignee: Nantong Ironmaster Sporting Industrial Co Ltd
Current assignee: Nantong Ironmaster Sporting Industrial Co Ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-02-23
Anticipated expiration: 2033-08-07

Abstract

The application discloses built-in spacing low limbs strength trainer, this built-in spacing low limbs strength trainer includes a plurality of training units that link to each other in proper order, training unit includes: the fixing frame comprises a bottom frame and a stand column, and the stand column is fixedly connected with the bottom frame; the squatting mechanism is rotationally connected with the upright post; the resistance providing mechanism is connected with the squatting mechanism and provides resistance for the squatting mechanism; the limiting mechanism comprises an outer tube and an inner tube which are sleeved with each other, the outer tube is connected with the squatting mechanism in a rotating mode, the inner tube is connected with the fixing frame in a rotating mode, the inner tube is fixedly connected with a first fixing block, the outer tube is fixedly connected with a limiting top plate, a spring is arranged in the outer tube, and the spring is located between the limiting top plate and the first fixing block. The limit mechanism is prevented from being exposed, and the safety of the built-in limit lower limb strength training device is improved.

Description

Built-in limiting lower limb strength training device

Technical Field

The utility model relates to the field of fitness equipment in general, in particular to the field of outdoor fitness equipment, and particularly relates to a built-in limiting lower limb strength training device.

Background

Along with the rapid development of economy and technological progress in various areas, along with the increasing demand of modern society mankind for body building, people often select professional gymnasium to carry out professional training on self body to improve self physical quality, and then a plurality of professional body building equipment are needed to assist the human body to exercise. The user can carry out lower limb strength training through actions such as deep squatting, heel lifting and the like.

The lower limb strength training device is generally an indoor body-building device, and the limiting mechanism is external. If the lower limb strength training device is placed outdoors, the external limiting mechanism can cause risk of personal injury of a user, and the safety is not high.

Disclosure of Invention

In view of the foregoing drawbacks and deficiencies of the prior art, it is desirable to provide a high safety internal restraint lower limb strength training device.

In a first aspect, the present utility model provides a built-in limiting lower limb strength training device, which includes a plurality of training units connected in sequence, the training units including:

the fixing frame comprises a bottom frame and a stand column, and the stand column is fixedly connected with the bottom frame;

the squatting mechanism is rotationally connected with the upright post;

the resistance providing mechanism is connected with the squatting mechanism and provides resistance for the squatting mechanism;

the limiting mechanism comprises an outer tube and an inner tube which are sleeved with each other, the outer tube is connected with the squatting mechanism in a rotating mode, the inner tube is connected with the fixing frame in a rotating mode, the inner tube is fixedly connected with a first fixing block, the outer tube is fixedly connected with a limiting top plate, a spring is arranged in the outer tube, and the spring is located between the limiting top plate and the first fixing block.

According to the technical scheme that this application embodiment provided, when not driving the mechanism action of squatting deeply, under the resistance effect that the resistance provided the mechanism, the inner tube is to being close to the direction motion of spacing roof, and spacing roof can backstop spring and inner tube, plays spacing effect to spring and first fixed block all are located the outer tube, avoid stop gear to expose, have improved the security of built-in spacing low limbs strength training device.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

FIG. 1 is a schematic diagram of a device for training lower limb strength with built-in limit according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a training unit of a device for training lower limb strength with built-in limit according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a limiting mechanism of a built-in limiting lower limb strength training device according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a partial enlarged view at B in fig. 4.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 6, the internal limiting lower limb strength training device of the present utility model includes a plurality of training units 10 connected in sequence, wherein the training units 10 include: mount 100, which includes a chassis 110 and a column 120, column 120 is fixedly connected with chassis 110; a squat mechanism 200 rotatably coupled to upright 120; a resistance providing mechanism 300 connected to the squat mechanism 200 for providing resistance to the squat mechanism 200; the limiting mechanism 400 comprises an outer tube 410 and an inner tube 420 which are sleeved with each other, the outer tube 410 is rotationally connected with the squatting mechanism 200, the inner tube 420 is rotationally connected with the fixing frame 100, the inner tube 420 is fixedly connected with a first fixing block 421, the outer tube 410 is fixedly connected with a limiting top plate 411, a spring 412 is arranged in the outer tube 410, and the spring 412 is located between the limiting top plate 411 and the first fixing block 421.

In the embodiment of the utility model, the built-in limiting lower limb strength training device comprises a plurality of training units 10 which are connected in sequence, and the number of the training units 10 can be set according to the requirement. Figure 1 shows the arrangement of four training units 10. Two adjacent training units 10 may be connected through a plurality of third connection pipes 500, thereby improving the stability of the built-in limited lower limb strength training device. By providing a plurality of training units 10, an application scenario of simultaneous training by a plurality of persons, such as, but not limited to, simultaneous training in units of classes in an army, can be satisfied.

Mount 100 includes chassis 110 and stand 120, and chassis 110 is placed subaerial, stand 120 and chassis 110 fixed connection, through setting up stand 120, is convenient for connect squat mechanism 200. Squat mechanism 200 is rotatably connected to upright 120, squat mechanism 200 and upright 120 forming a lever mechanism. The resistance providing mechanism 300 is connected with the squatting mechanism 200 to provide resistance for the squatting mechanism 200, specifically, when the user performs squatting training by using the squatting mechanism 200, the resistance providing mechanism 300 provides resistance for the squatting training of the user, and the structure is simple and reliable, and is convenient to maintain.

When the deep squatting mechanism 200 is not driven to act, under the resistance action provided by the resistance providing mechanism 300, the inner pipe 420 moves towards the direction close to the limiting top plate 411, the limiting top plate 411 can stop the spring 412 and the inner pipe 420 to play a limiting role, and the spring 412 and the first fixing block 421 are both positioned in the outer pipe 410, so that the limiting mechanism 400 is prevented from being exposed, and the safety of the built-in limiting lower limb strength training device is improved. When the limiting top plate 411 stops the inner tube 420, the spring 412 can play a role in buffering. The spring 412 may be, but is not limited to, a plastic impregnated spring 412, which reduces noise generated by friction between the spring 412 and other structures during sliding of the outer tube 410 relative to the inner tube 420. The spring 412 is partially sleeved on the inner tube 420, and the inner tube 420 can support the spring 412, so that the reliability of the spring 412 is ensured.

Referring to fig. 4 and 5, further, a buffer block 413 is provided at an end of the spring 412 near the limit top plate 411.

In the embodiment of the present utility model, the buffer block 413 may be made of rubber, so as to ensure the buffer performance of the buffer block 413. The buffer block 413 is located between the spring 412 and the top, and the buffer block 413 can play a role in buffering the impact between the spring 412 and the inner tube 420, so that the reliability of the limiting mechanism 400 is ensured.

Referring to fig. 4 and 5, further, the buffer block 413 is fixedly connected with a screw 414, the screw 414 is screwed with a second fixing block 415, the second fixing block 415 is located between the buffer block 413 and the inner tube 420, and the second fixing block 415 is fixedly connected with the spring 412.

In the embodiment of the utility model, the fixed connection between the buffer block 413 and the spring 412 is realized by arranging the screw 414 and the second fixed block 415, so that the connection difficulty between the spring 412 and the buffer block 413 is reduced, and the buffer block 413 can synchronously act along with the spring 412, thereby avoiding the buffer block 413 from turning over. The buffer block 413 is fixedly connected with the screw 414, and the screw 414 can be embedded into the buffer block 413. The screw 414 is screwed with the second fixing block 415 to facilitate assembly. The second fixing block 415 and the spring 412 may be welded and fixed. During the operation of the limiting mechanism 400, the second fixing block 415 contacts with the inner tube 420, and the second fixing block 415 separates the buffer block 413 from the inner tube 420, so that the service life of the buffer block 413 is prolonged.

Referring to fig. 4, further, the first fixing block 421 is fixedly connected with a first bearing 422, and the first bearing 422 slides on the inner wall of the outer tube 410.

In an embodiment of the present utility model, the first bearing 422 can reduce the friction of the sliding of the outer tube 410 and the inner tube 420. The first bearing 422 is fixedly connected with the first fixing block 421, so that the fixing difficulty of the first bearing 422 is reduced. The first bearing 422 may be a self-lubricating bearing for ease of maintenance and servicing.

Referring to fig. 4 and 6, further, a fixing sleeve 416 is fixedly connected to one end of the outer tube 410, a second bearing 417 is fixedly connected to the fixing sleeve 416, and the second bearing 417 slides on the outer wall of the inner tube 420.

In an embodiment of the present utility model, the second bearing 417 can reduce the friction of the sliding of the outer tube 410 and the inner tube 420. The fixing sleeve 416 is provided with a step surface, the second bearing 417 is placed in the second fixing sleeve 416, the step surface can abut against the second bearing 417, and the second bearing 417 is clamped by the clamp spring, so that the second bearing 417 is prevented from being separated from the fixing sleeve 416. The second bearing 417 may be a self-lubricating bearing for ease of maintenance and service. The first fixing block 421 is located between the limiting top plate 411 and the second bearing 417, and when the outer tube 410 slides with respect to the inner tube 420, the first fixing block 421 can stop the second bearing 417, thereby preventing the outer tube 410 from being separated from the inner tube 420, i.e., limiting the swing range of the squat mechanism 200.

Referring to fig. 3, further, the limiting mechanism 400 includes a plurality of outer tubes 410 and a plurality of inner tubes 420, the outer tubes 410 are sleeved with the inner tubes 420 one by one, and any two adjacent outer tubes 410 are fixedly connected through at least one first connecting tube 430.

In the embodiment of the utility model, the plurality of outer pipes 410 and the plurality of inner pipes 420 are sleeved one by one, so that the swing range of the squatting mechanism 200 is limited, the movement of the limiting mechanism 400 is more stable, and the reliability of limiting the swing range of the squatting mechanism 200 by the limiting mechanism 400 is ensured.

Referring to fig. 2, further, the resistance providing mechanism 300 includes a weight plate bar 310 and a rotation tube 320, the weight plate bar 310 is fixedly connected with the squat mechanism 200, the rotation tube 320 is rotatably connected with the bottom frame 110, the rotation tube 320 is rotatably connected with a second connection tube 330, the second connection tube 330 is rotatably connected with the squat mechanism 200, and one end of the rotation tube 320 is provided with a pedal 321.

In an embodiment of the present utility model, weight plate bar 310 is fixedly coupled to squat mechanism 200, and weight plates may be suspended from weight plate bar 310 to provide resistance to lower limb strength training by the weight of the weight plates. Weight plates 310 may be symmetrically disposed on both sides of squat mechanism 200, and weight plates of equal weight may be suspended on both weight plates 310, so that squat mechanism 200 is stress balanced.

The rotating tube 320 is rotationally connected with the underframe 110, the rotating tube 320 is rotationally connected with the second connecting tube 330, the second connecting tube 330 is rotationally connected with the squatting mechanism 200, and one end of the rotating tube 320 is provided with the pedal 321, so that other people can stand on the pedal 321, the weight of other people is used as the resistance of lower limb strength training, the using amount of the weight plates can be reduced, and the interactivity of the lower limb strength training is enhanced.

Referring to fig. 2, further, the squatting pan 200 includes a squatting pan 210, one end of the squatting pan 210 is rotatably connected with the upright 120, the other end of the squatting pan 210 is fixedly connected with a first fixing tube 220 and a second fixing tube 230, the first fixing tube 220 is fixedly connected with a first foam 221 and a first handle 222, and the second fixing tube 230 is fixedly connected with a second foam 231 and a second handle 232.

In the embodiment of the present utility model, when the user performs lower limb strength training, the head passes through the gap between the first fixing tube 220 and the second fixing tube 230, the first foam 221 and the second foam 231 are placed on the shoulders, the first handle 222 and the second handle 232 are gripped by both hands, the end of the squat frame 210 far from the upright post 120 is driven to be far from the bottom frame 110 through squat, heel lifting and other actions, and the resistance providing mechanism 300 provides resistance to the movement of the squat frame 210.

Referring to fig. 2, further, a first reinforcing plate 223 is disposed between the first fixing pipe 220 and the squat frame 210, a second reinforcing plate 233 is disposed between the second fixing pipe 230 and the squat frame 210, and the first reinforcing plate 223 and the second reinforcing plate 233 are both located above the squat frame 210.

In the embodiment of the present utility model, the first reinforcement plate 223 can improve the connection strength between the first fixing tube 220 and the squat frame 210, and the second reinforcement plate 233 can improve the connection strength between the second fixing tube 230 and the squat frame 210, so as to ensure the reliability of the internal limiting lower limb strength training device.

Referring to fig. 1, further, two adjacent training units 10 are fixedly connected through at least one third connection pipe 500. Thereby improving the stability of the built-in limit lower limb strength training device.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims

1. The utility model provides a built-in spacing low limbs strength trainer, its characterized in that, this built-in spacing low limbs strength trainer includes a plurality of training units that link to each other in proper order, training unit includes:

the squatting mechanism is rotationally connected with the upright post;

2. The internal limiting lower limb strength training device according to claim 1, wherein a buffer block is arranged at one end of the spring close to the limiting top plate.

3. The internal limiting lower limb strength training device according to claim 2, wherein the buffer block is fixedly connected with a screw, the screw is screwed with a second fixing block, the second fixing block is located between the buffer block and the inner tube, and the second fixing block is fixedly connected with the spring.

4. The internal limiting lower limb strength training device of claim 1, wherein the first fixed block is fixedly connected with a first bearing, and the first bearing slides on the inner wall of the outer tube.

5. The internal limiting lower limb strength training device according to claim 1, wherein one end of the outer tube is fixedly connected with a fixing sleeve, a second bearing is fixedly connected in the fixing sleeve, and the second bearing slides on the outer wall of the inner tube.

6. The internal limiting lower limb strength training device according to claim 1, wherein the limiting mechanism comprises a plurality of outer tubes and a plurality of inner tubes, the outer tubes are sleeved with the inner tubes one by one, and any two adjacent outer tubes are fixedly connected through at least one first connecting tube.

7. The internal limiting lower limb strength training device of claim 1, wherein the resistance providing mechanism comprises a weight plate rod and a rotating tube, the weight plate rod is fixedly connected with the squatting mechanism, the rotating tube is rotatably connected with the underframe, the rotating tube is rotatably connected with a second connecting tube, the second connecting tube is rotatably connected with the squatting mechanism, and one end of the rotating tube is provided with a pedal.

8. The internal limiting lower limb strength training device of claim 1, wherein the deep squatting mechanism comprises a deep squatting frame, one end of the deep squatting frame is rotationally connected with the upright post, the other end of the deep squatting frame is fixedly connected with a first fixing pipe and a second fixing pipe, the first fixing pipe is fixedly connected with a first foam and a first handle, and the second fixing pipe is fixedly connected with a second foam and a second handle.

9. The internal limiting lower limb strength training device of claim 8, wherein a first reinforcing plate is arranged between the first fixing tube and the squatting frame, a second reinforcing plate is arranged between the second fixing tube and the squatting frame, and the first reinforcing plate and the second reinforcing plate are both positioned above the squatting frame.

10. The internal limiting lower limb strength training device according to claim 1, wherein two adjacent training units are fixedly connected by at least one third connecting pipe.