CN219517714U - Pull-up trainer - Google Patents

Abstract

The utility model discloses a pull-up trainer, which comprises a lifting mechanism, a cross rod and a power assisting mechanism, wherein the two groups of lifting mechanisms are vertically arranged in parallel, the cross rod is fixed between the two groups of lifting mechanisms, and the power assisting mechanism is arranged at the bottom of the cross rod; the lifting rod mechanism comprises a supporting sleeve rod, a supporting rod, a sliding block, a gear, a connecting shaft, a rotating wheel, a rack and a limiting rod, and the power assisting mechanism comprises a hydraulic cylinder, a power homogenizing plate, a sliding rod, a pedal, a damping rod and a buffer spring. The utility model has the advantages that the trainer can adapt to the training of people with different heights, can assist the training personnel, lighten the training pressure of the training personnel, and realizes the buffering effect through the damping rod and the buffering spring when the training personnel fall off the cross rod.

Description

Pull-up trainer

Technical Field

The utility model relates to the technical field of training instruments, in particular to a pull-up trainer.

Background

The pull-up, the pull-up for short, refers to the hanging exercise that overcomes the upward acting of the body weight by the self force. Pull-up is the most basic method of exercising the back and is also one of the important reference criteria and items for measuring the constitution of men. Pull-up requires a certain grip, upper limb strength and shoulder strap strength for the male, which must overcome his weight to complete the procedure once. The pull-up has important effects on the development of upper limb suspension strength, shoulder strap strength and grip strength.

For example, chinese patent publication No. CN206587344U discloses a pull-up trainer for helping people to pull-up train; however, the height of the cross bar in the above patent is fixed, and the cross bar cannot adapt to the training of people with different heights.

Disclosure of Invention

The technical problem to be solved by the utility model is how to provide a pull-up trainer which can adapt to the training of people with different heights.

In order to solve the technical problems, the utility model provides the following technical scheme:

the pull-up trainer comprises a lifting mechanism, a cross rod and a power assisting mechanism, wherein the two groups of lifting mechanisms are vertically arranged in parallel, the cross rod is fixed between the two groups of lifting mechanisms, and the power assisting mechanism is arranged at the bottom of the cross rod;

the lifting rod mechanism comprises a supporting sleeve rod, a supporting rod, a sliding block, a gear, a connecting shaft, a rotating wheel, a rack and a limiting rod, wherein the supporting rod is sleeved at the top of the supporting sleeve rod, a sliding groove is vertically formed in the inner wall of the supporting sleeve rod, the sliding block matched with the sliding groove is arranged on the supporting rod, the gear which can rotate is arranged on the supporting rod and is connected with the rotating wheel through the connecting shaft, the rack meshed with the gear is vertically arranged on the inner wall of the supporting sleeve rod, a vertical notch is formed in the supporting sleeve rod, the connecting shaft can vertically move in the notch, limiting holes are formed in the supporting sleeve rod and the supporting rod, and the limiting rod extends into the limiting holes in the supporting sleeve rod and the supporting rod;

the power assisting mechanism comprises a hydraulic cylinder, a force homogenizing plate, a sliding rod, a pedal, a damping rod and a buffer spring, wherein the force homogenizing plate is fixed at the output end of the hydraulic cylinder, the sliding rod is vertically fixed at the top of the force homogenizing plate, the pedal is fixed at the top of the sliding rod, the damping rod is vertically fixed on the force homogenizing plate, the buffer spring is sleeved on the damping rod, and one end, far away from the damping rod, of the buffer spring is connected with the pedal.

The trainer can adapt to personnel training of different heights, can assist training personnel, lighten training pressure of the training personnel, and realizes a buffering effect through the damping rod and the buffering spring when the training personnel fall off the cross rod.

Preferably, a base is also fixed at the bottom of the support loop bar.

Preferably, a buffer pad is arranged on the base.

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

the trainer can adapt to personnel training of different heights, can assist training personnel, lighten training pressure of the training personnel, and realizes a buffering effect through the damping rod and the buffering spring when the training personnel fall off the cross rod.

Drawings

FIG. 1 is a front view of an embodiment of the present utility model;

fig. 2 is a schematic partial view of a lifting mechanism according to an embodiment of the utility model.

Detailed Description

In order to facilitate the understanding of the technical scheme of the present utility model by those skilled in the art, the technical scheme of the present utility model will be further described with reference to the accompanying drawings.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated unless otherwise explicitly specified and defined. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 and 2, the embodiment discloses a pull-up trainer, which comprises a base 1, a lifting mechanism 2, a cross rod 3, a protection mechanism 4 and a power assisting mechanism 5, wherein two groups of parallel lifting mechanisms are vertically fixed on the base 1, the cross rod 3 is fixed between the two groups of lifting mechanisms 2, the protection mechanism 4 is arranged on the cross rod 3, and the power assisting mechanism 5 is also fixed on the base 1.

The lifting rod mechanism 2 comprises a supporting sleeve rod 21, a supporting rod 22, a sliding block 23, a gear 24, a connecting shaft 25, a rotating wheel 26, a rack 27 and a limiting rod (not shown in the figure), wherein the supporting rod 22 is sleeved at the top of the supporting sleeve rod 21, a sliding groove (not shown in the figure) is vertically formed in the inner wall of the supporting sleeve rod 21, the sliding block 23 matched with the sliding groove is arranged on the supporting rod 21, a gear 24 capable of rotating is arranged on the supporting rod 22, the gear 24 is connected with the rotating wheel 26 through the connecting shaft 25, the rack 27 meshed with the gear 24 is vertically arranged on the inner wall of the supporting sleeve rod 21, a vertical notch 211 is formed in the supporting sleeve rod 21, the connecting shaft 25 can vertically move in the notch 211, limiting holes 6 are formed in the supporting sleeve rod 21 and the supporting rod 22, and the limiting rod extends into the limiting holes 6 in the supporting sleeve rod 21 and the supporting rod 22, and the fixing of the supporting rod 22 is achieved.

Specifically, through rotating runner 26 for gear 24 rotates on rack 27, because connecting axle 25 can be at notch 211 in vertical movement, and then drive bracing piece 22 and vertically slide on supporting loop bar 21, until horizontal pole 3 highly satisfies training personnel's altitude mixture requirement, stretches into spacing hole 6 on supporting loop bar 21 and the bracing piece 22 with the gag lever post, fixes bracing piece 22 on supporting loop bar 21, and then makes this training ware can adapt to the personnel training of different heights.

The protection mechanism 4 comprises a fixed sleeve 41, an elastic piece 42 and a protective sleeve 43, two fixed sleeves 41 are fixed on the cross rod 3, the elastic piece 42 is connected to each fixed sleeve 41, one end, far away from the fixed sleeve 41, of the elastic piece 42 is connected with the protective sleeve 43, and the protective sleeve 43 is used for wrapping training staff, and can support the training staff to protect the training staff under the condition that the training staff breaks away from the cross rod 3.

Further, the elastic member 42 is a telescopic spring.

The power assisting mechanism 5 comprises a hydraulic cylinder 51, a force homogenizing plate 52, a sliding rod 53, a pedal 54, a damping rod 55 and a buffer spring 56, wherein the hydraulic cylinder 51 is fixed on the base 1, the force homogenizing plate 52 is fixed at the output end of the hydraulic cylinder 51, the sliding rod 53 is vertically fixed at the top of the force homogenizing plate 52, the pedal 54 is fixed at the top of the sliding rod 53, the damping rod 55 is vertically fixed on the force homogenizing plate 52, the buffer spring 56 is sleeved on the damping rod 55, and one end, far away from the damping rod 55, of the buffer spring 56 is connected with the pedal 54.

Specifically, through starting pneumatic cylinder 51, drive even power board 23 upward movement, and then drive the upward movement of footboard 25 through slide bar 24, training personnel stand on footboard 25 and pull horizontal pole 3, can helping hand training personnel lighten its training pressure, when training personnel whereabouts, realized the cushioning effect through damping rod 55 and buffer spring 56.

Further, a cushion pad 7 is disposed on the base 1.

The working principle of the embodiment is as follows:

through rotating runner 26 for gear 24 rotates on rack 27, because connecting axle 25 can be in notch 211 vertical movement, and then drives bracing piece 22 and vertically slide on supporting sleeve 21, until horizontal pole 3 highly satisfies training personnel's altitude mixture requirement, stretches into spacing hole 6 on supporting sleeve 21 and the bracing piece 22 with the gag lever post, fixes bracing piece 22 on supporting sleeve 21.

Then, by starting the hydraulic cylinder 51, the force-homogenizing plate 23 is driven to move upwards, and then the pedal 25 is driven to move upwards through the slide rod 24, a training person stands on the pedal 25 to pull the cross rod 3, so that the training pressure of the training person can be reduced, and when the training person falls down, the damping effect is realized through the damping rod 55 and the damping spring 56; the training personnel are held by the protective sleeve 43 when they are disengaged from the cross bar 3.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

The above-described embodiments merely represent embodiments of the utility model, the scope of the utility model is not limited to the above-described embodiments, and it is obvious to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (3)

1. A pull-up trainer, characterized in that: the lifting mechanism comprises a lifting mechanism, a cross rod and a power assisting mechanism, wherein the two groups of lifting mechanisms are vertically arranged in parallel, the cross rod is fixed between the two groups of lifting mechanisms, and the power assisting mechanism is arranged at the bottom of the cross rod;

the lifting mechanism comprises a supporting sleeve rod, a supporting rod, a sliding block, a gear, a connecting shaft, a rotating wheel, a rack and a limiting rod, wherein the supporting rod is sleeved at the top of the supporting sleeve rod, a sliding groove is vertically formed in the inner wall of the supporting sleeve rod, the sliding block matched with the sliding groove is arranged on the supporting rod, the gear which can rotate is arranged on the supporting rod and is connected with the rotating wheel through the connecting shaft, the rack meshed with the gear is vertically arranged on the inner wall of the supporting sleeve rod, a vertical notch is formed in the supporting sleeve rod, the connecting shaft can vertically move in the notch, limiting holes are formed in the supporting sleeve rod and the supporting rod, and the limiting rod extends into the limiting holes in the supporting sleeve rod and the supporting rod;

the power assisting mechanism comprises a hydraulic cylinder, a force homogenizing plate, a sliding rod, a pedal, a damping rod and a buffer spring, wherein the force homogenizing plate is fixed at the output end of the hydraulic cylinder, the sliding rod is vertically fixed at the top of the force homogenizing plate, the pedal is fixed at the top of the sliding rod, the damping rod is vertically fixed on the force homogenizing plate, the buffer spring is sleeved on the damping rod, and one end, far away from the damping rod, of the buffer spring is connected with the pedal.

2. A pull-up trainer according to claim 1, wherein: the bottom of the supporting sleeve rod is also fixed with a base.

3. A pull-up trainer according to claim 2, wherein: and a buffer cushion is arranged on the base.