CN217187729U - A backhand pull-up auxiliary device - Google Patents

Abstract

The utility model discloses a backhand pull-up auxiliary device, which comprises a small arm support, an elastic member, a sliding block and a large arm support. One end of the small arm support is hinged with one end of the large arm support, and the sliding The block is slidably arranged on one side of the boom support, one end of the elastic piece is connected to one side of the forearm support, the other end of the elastic piece is connected to the slider, the forearm support The other side and the other side of the big arm support are provided with straps for fixing the trainer's forearm and the big arm. The utility model can assist in completing the backhand pull-up action, effectively prevent self-injury caused by relatively weak upper limb strength, and can also increase the exercise intensity according to the needs of the trainer.

Description

A backhand pull-up auxiliary device

technical field

The utility model relates to the field of sports auxiliary equipment, in particular to a backhand pull-up auxiliary device.

Background technique

Using the horizontal bar to perform pull-ups is a common physical exercise program, and it is also one of the physical examination items for middle school and college students. However, many beginners are often unable to correctly complete the backhand pull-up due to their relatively weak upper body strength, and are prone to injury to themselves. There are also many people who do more physical exercise, and people with more developed upper body strength need to increase the difficulty of pull-ups to get more intense exercise. According to the different needs of different groups of people in different training stages, it is necessary to design a backhand pull-up auxiliary device.

Utility model content

In view of the problems existing in the prior art, the present invention provides a backhand pull-up auxiliary device, which can assist in completing the backhand pull-up action, and effectively prevent self-injury due to relatively weak upper limb strength. The trainer's needs increase the intensity of the workout.

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions:

A backhand pull-up auxiliary device includes a forearm support, an elastic member, a slider and a large arm support, one end of the forearm support is hinged with one end of the large arm support, and the slider is slidably arranged on the One side of the boom bracket, one end of the elastic member is connected to one side of the forearm bracket, the other end of the elastic member is connected to the slider, and the other side of the forearm bracket is connected to the slider. The other side of the big arm support is provided with straps for fixing with the trainer's forearm and the big arm.

Further, one side of the boom support is provided with a chute along its length direction, bearings are provided at both ends of the chute, and a lead screw is also arranged in the chute, and two ends of the lead screw are provided. The ends are respectively connected with the two bearings, and the slider is screwed on the lead screw.

Further, one end of the lead screw away from the forearm bracket extends out of the chute, and the extension end is connected with an adjustment knob.

Further, the adjustment knob is provided with a scale value along its circumferential direction.

Further, the forearm support is provided with one of the straps at positions close to both ends, and the large arm support is provided with one of the straps at positions close to both ends.

Further, the straps are elastic and adjustable straps.

Further, one end of the small arm support is connected with one end of the large arm support by a rotating shaft.

Further, the elastic member adopts a spring.

Compared with the prior art, the present utility model has at least the following beneficial effects: the backhand pull-up auxiliary device provided by the present utility model, when in use, the trainer passes the arms through the straps and The straps on the forearm bracket fix the forearm bracket on the trainer's forearm and the forearm bracket on the trainer's forearm. The actual situation during training requires the strength and the training effect to be achieved. By adjusting the position of the slider, the angle of the elastic piece can be adjusted to adjust the auxiliary effect of the device. After everything is ready, the trainer can hold it with both hands. The horizontal bar performs backhand pull-up training. With the help of the elastic effect with the elastic member, the utility model can not only reduce the difficulty of pull-up training for beginners by adjusting the position angle of the auxiliary elastic member, but also assist in completing the backhand pull-up action. , which can effectively prevent self-injury due to relatively weak upper body strength, and can also increase the difficulty of pull-up training for experienced people.

Further, the utility model is provided with a chute on one side of the boom support along its length direction, a lead screw is arranged in the chute, the slider is threaded on the lead screw, and the principle of the lead screw is used to realize the adjustment of the position of the slider. The sliding structure is simple and easy to operate, and has a self-locking function to ensure the reliability of adjustment and the safety of training.

Further, the end of the lead screw away from the forearm bracket extends out of the chute, and the extending end is connected with an adjustment knob, and the adjustment knob is used to drive the lead screw to rotate, which is more labor-saving and easy to operate.

Further, a scale value is provided on the adjustment knob along its circumferential direction. When performing pull-up training, the adjustment of the scale value on the knob can facilitate the user to record and analyze each training situation.

Further, the utility model is provided with a strap at the positions of the small arm support and the large arm support close to both ends respectively, so that the fixing is more reliable.

Further, the strap is designed as an elastic and adjustable strap, which is convenient for wearing and adjustment.

Further, one end of the forearm support and one end of the large arm support are connected by a rotating shaft, and the rotating connection is more reliable.

Further, the elastic member adopts a spring, which has low cost and good performance.

In order to make the above-mentioned objects, features and advantages of the present utility model more obvious and easy to understand, preferred embodiments are given below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

In order to illustrate the technical solutions in the specific embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the specific embodiments. Obviously, the accompanying drawings in the following description are some of the drawings of the present invention. In the embodiment, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the structural representation of a kind of backhand pull-up auxiliary device of the present invention;

2 is a schematic cross-sectional view of a backhand pull-up auxiliary device of the present invention;

3 is a partial structural schematic diagram of a backhand pull-up auxiliary device of the present invention.

In the picture: 1- forearm bracket; 2- spring; 3- slider; 4- chute; 5- lead screw; 6- adjustment knob; 7- arm bracket; 8- strap; 9- shaft.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model. not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As a specific embodiment of the present invention, as shown in FIG. 1 , FIG. 2 and FIG. 3 , a backhand pull-up auxiliary device includes a forearm support 1 , an elastic member 2 , a slider 3 and a large arm support 7. One end of the forearm support 1 is hinged with one end of the large arm support 7. Specifically, one end of the forearm support 1 and one end of the large arm support 7 are connected by a rotating shaft 9, and the two can freely rotate with each other, and the articulation performance is good. Flexible rotation. The slider 3 is slidably arranged on one side of the boom support 7, and the slider 3 can slide back and forth relative to the boom support 7 and can be fixed at a suitable position. Preferably, it is provided on one side of the boom support 7 along its length direction. There is a chute 4, bearings are installed at both ends in the chute 4, a lead screw 5 is also arranged in the chute 4, one end of the lead screw 5 is connected with a bearing at one end of the chute 4, and the other end of the lead screw 5 is connected. One end is connected with a bearing at the other end of the chute 4, and the slider 3 is threadedly connected to the lead screw 5. By rotating the lead screw 5, the slider 3 can slide back and forth along the chute 4, and self-locking is realized by threaded cooperation.

As shown in Figures 1 and 2, one end of the elastic member 2 is connected to one side of the forearm bracket 1, and the other end of the elastic member 2 is connected to the slider 3. Specifically, between the forearm bracket 1 and the slider 3 A connection lug plate is arranged on the upper plate, and a connection hole is provided on the connection lug plate, and both ends of the elastic member 2 are connected with the corresponding connection hole hook, which is convenient for installation and disassembly. In this embodiment, the elastic member 2 adopts a spring. By controlling the position of the chute 4, the position and angle of the elastic member 2 can be adjusted, which is convenient for different trainers to flexibly adjust according to their own strength needs.

As shown in Fig. 1 and Fig. 2, the other side of the forearm support 1 and the other side of the forearm support 7 are provided with straps 8 for fixing the forearm and the forearm of the trainer. When in use, the trainer Pass the arm through the strap 8, and use the strap 8 to fix the auxiliary device on the arm, which ensures the safety during use. Preferably, a strap 8 is provided at a position close to both ends of the forearm support 1, and a strap 8 is provided at a position close to both ends of the forearm support 7, and the strap 8 is an elastic and adjustable strap, which is flexible and fixed. Fixed and reliable.

As shown in FIG. 2 , preferably, one end of the lead screw 5 away from the forearm bracket 1 extends out of the chute 4 , and the extending end is connected with an adjusting knob 6 , so that the lead screw 5 can be easily rotated by the adjusting knob 6 . More preferably, the adjustment knob 6 is provided with a scale value along its circumferential direction. When performing pull-up training, the adjustment knob 6 can facilitate the user to record and analyze each training situation by adjusting the scale value on the knob 6 .

Finally, it should be noted that the above-mentioned embodiments are only specific implementations of the present utility model, and are used to illustrate the technical solutions of the present utility model, rather than restricting them, and the protection scope of the present utility model is not limited thereto. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: any person skilled in the art who is familiar with the technical field within the technical scope disclosed by the present utility model can still record the descriptions in the foregoing embodiments. Modifications or changes can be easily imagined in the technical solutions, or equivalent replacements are made to some of the technical features; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention, All should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (8)

1. The utility model provides an anti-hand formula chin auxiliary device which characterized in that, includes forearm support (1), elastic component (2), slider (3) and big arm support (7), the one end of forearm support (1) with the one end of big arm support (7) is articulated, slider (3) slide to be set up one side of big arm support (7), the one end of elastic component (2) is connected one side of forearm support (1), the other end of elastic component (2) is connected on slider (3), the opposite side of forearm support (1) with the opposite side of big arm support (7) all is provided with and is used for bandage (8) fixed with training person's forearm and big arm.

2. The anti-hand pull-up auxiliary device according to claim 1, wherein a sliding groove (4) is formed in one side of the large arm support (7) along the length direction of the large arm support, bearings are arranged at two ends in the sliding groove (4), a lead screw (5) is further arranged in the sliding groove (4), two ends of the lead screw (5) are connected with the two bearings respectively, and the sliding block (3) is in threaded connection with the lead screw (5).

3. The auxiliary device for pull-up by reverse hand according to claim 2, wherein one end of the screw rod (5) far away from the small arm support (1) extends out of the chute (4), and the extending end is connected with an adjusting knob (6).

4. An auxiliary device for pull-up of a person of claim 3, wherein the adjusting knob (6) is provided with scale values along its circumference.

5. An auxiliary device for pull-up by reverse hand according to claim 1, characterized in that the positions of the small arm support (1) near both ends are respectively provided with one said binding band (8), and the positions of the large arm support (7) near both ends are respectively provided with one said binding band (8).

6. An anti-pull-up aid according to claim 1, wherein the strap (8) is a stretch adjustable strap.

7. An auxiliary device for pull-up by hand in the opposite direction as in claim 1, wherein one end of the small arm support (1) is connected with one end of the large arm support (7) by a rotating shaft (9).

8. An auxiliary device for pull-up by hand in an opposite direction according to claim 1, wherein the elastic member (2) is a spring.

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