CN210873956U

CN210873956U - Arm strength stretching training device

Info

Publication number: CN210873956U
Application number: CN201921673351.3U
Authority: CN
Inventors: 李红海
Original assignee: Northwest Normal University
Current assignee: Northwest Normal University
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-30
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses an arm strength stretching training device, the on-line screen storage device comprises a base, the upper end of base is connected with top rectangular frame through supporting the riser, be equipped with the first polished rod that runs through the lift balancing weight between upper plate and the lower plate, the top of top rectangular frame is through the screw installation U type frame, U type frame inside is equipped with the second pulley, the top of lifter plate is equipped with first rings, the bottom both sides of lifter plate are equipped with the handle, the second rings at lift balancing weight top are connected in first rings after bypassing the top of first pulley and second pulley through the rope in proper order, the third polished rod runs through there is the back, the utility model discloses because the weight of lift balancing weight and the weight of its inside supplementary balancing weight for in the process of pulling the handle downwards, play the tensile exercise to the arm; the user can semi-squat and stand on the pedal platform, straightens the shank and then bends the shank, can reach the effect of tempering shank strength.

Description

Arm strength stretching training device

Technical Field

The utility model relates to a tensile training equipment field of arm strength, in particular to tensile trainer of arm strength.

Background

The function singleness of current arm tensile trainer only has the function of tempering arm strength, and when the heavy thing of pull-down, the condition of arm horizontal hunting can appear, has reduced and has tempered the effect, and simultaneously, when the arm was tensile, it was straight to hardly guarantee user's back, was difficult to reach the best exercise effect.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the above background art, the utility model aims at providing a tensile trainer of arm strength.

In order to achieve the above purpose, the arm force stretching training device provided by the utility model comprises a base, wherein a pedal platform is arranged in the middle of the upper end of the base, the upper end of the base is connected with a top rectangular frame through a supporting vertical plate, a first pulley is arranged at a notch groove at the rear part of the top rectangular frame, an upper flat plate and a lower flat plate are respectively arranged at the rear parts of the base and the top rectangular frame, a first polished rod penetrating through a lifting counterweight block is arranged between the upper flat plate and the lower flat plate, a U-shaped frame is arranged at the top part of the top rectangular frame through screws, a second pulley is arranged inside the U-shaped frame, second polished rods penetrating through two sides of the lifting plate are arranged at two sides of the front part of the lower end of the U-shaped frame, a first lifting ring is arranged at the top part of the lifting plate, handles are arranged at two sides of the bottom part of the lifting plate, and the second lifting ring at the top part, the front part between the base and the top rectangular frame is also connected with a third polished rod positioned between the left and right groups of supporting vertical plates at the front part, the third polished rod penetrates through the backrest, and the third polished rod is further sleeved with a spring for abutting against the lower end of the backrest.

Preferably, the lifting counterweight block is further provided with a placing groove for placing the auxiliary counterweight block.

Preferably, the bottoms of the two sides of the U-shaped frame are provided with connecting lugs which are integrally formed with the U-shaped frame, and the second pulley is movably connected between the connecting lugs through a pin shaft.

Preferably, the second polished rod is further sleeved with a buffer spring abutting against the upper end of the lifting plate, and the lower end of the second polished rod is further provided with a limiting disc for preventing the lifting plate from slipping.

Preferably, the sliding connection bulges on the left side and the right side of the backrest are slidably connected with vertical sliding grooves on the side walls of the left group of supporting vertical plates and the right group of supporting vertical plates on the front part, and limiting supporting plates for supporting on the shoulders of a user are further arranged on the two sides of the rear part of the backrest.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model can make the handle move downwards by both hands of the user, and then the lifting balancing weight moves upwards under the driving of the rope, so that the arm can be stretched and exercised in the process of pulling the handle downwards due to the self weight of the lifting balancing weight and the weight of the auxiliary balancing weight inside the lifting balancing weight;

meanwhile, the feet of the user stand on the pedal platform, and the back leans against the rear part of the backrest, so that the back is kept straight in the arm stretching exercise process, and the optimal exercise effect is achieved;

the lifting plate and the lifting balancing weight block move up and down along the second polished rod and the first polished rod respectively, so that the lifting plate and the lifting balancing weight block move smoothly and stably, and the condition of poor exercise effect caused by arm swing is avoided;

the user can stand on the pedal platform by half squatting, and the back leans on the rear portion of back, and makes user's shoulder be located the below of spacing backup pad, straightens the shank afterwards for the back shifts up along the third polished rod, then at crooked both legs, makes the back move down along the third polished rod, operates repeatedly like this, can reach the effect of tempering shank strength.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an exploded schematic view of an arm strength stretching training device according to an embodiment of the present invention;

fig. 2 is a schematic view of an installation structure of a backrest and a lifting counterweight of an arm strength stretching training device according to an embodiment of the present invention;

fig. 3 is a schematic view of an exploded structure of an auxiliary weight block and a lifting weight block of an arm force stretching training device according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the arm force stretching training device according to the embodiment of the present invention after the lifting counterweight, the first pulley and the U-shaped frame are installed;

fig. 5 is a schematic structural view of a U-shaped frame of an arm strength stretching training device according to an embodiment of the present invention.

The reference numbers illustrate:

1 top rectangular frame, 2 support the riser, 3 vertical spout, 4 slip joint arch, 5 springs, 6 backs, 7 steps on the footboard platform, 8 bases, 9 lift balancing weights, 10 first polished rods, 11 first pulleys, 12 upper flat plates, 13 breach grooves, 14 second pulleys, 15U type frame, 16 buffer springs, 17 engaging lugs, 18 lifter plates, 19 second rings, 20 lower flat plates, 21 spacing backup pads, 22 third polished rods, 23 standing grooves, 24 supplementary balancing weights, 25 ropes, 26 handles, 27 second polished rods, 28 spacing discs, 29 first rings, 30 screws.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In the embodiment of the present invention, referring to fig. 1-5, the arm strength stretching training device comprises a base 8, a pedal platform 7 is disposed in the middle of the upper end of the base 8, the upper end of the base 8 is connected to a top rectangular frame 1 through a supporting vertical plate 2, a first pulley 11 is mounted at a notch 13 at the rear part of the top rectangular frame 1, an upper plate 12 and a lower plate 20 are respectively disposed at the rear parts of the base 8 and the top rectangular frame 1, a first polish rod 10 penetrating through a lifting counterweight 9 is disposed between the upper plate 12 and the lower plate 20, a U-shaped frame 15 is mounted at the top part of the top rectangular frame 1 through a screw 30, a second pulley 14 is disposed inside the U-shaped frame 15, second polish rods 27 penetrating through both sides of a lifting plate 18 are disposed at both sides of the front part of the lower end of the U-shaped frame 15, a first hanging ring 29 is disposed at the top part of the lifting plate 18, a, the second lifting ring 19 at the top of the lifting counterweight block 9 sequentially bypasses the tops of the first pulley 11 and the second pulley 14 through a rope 25 and then is connected to the first lifting ring 29, the front part between the base 8 and the top rectangular frame 1 is further connected with a third polished rod 22 positioned between the left and right groups of front supporting vertical plates 2, a backrest 6 penetrates through the third polished rod 22, and a spring 5 used for abutting against the lower end of the backrest 6 is further sleeved on the third polished rod 22.

Further, a placing groove 23 for placing an auxiliary balancing weight 24 is also arranged inside the lifting balancing weight 9.

Furthermore, the bottoms of the two sides of the U-shaped frame 15 are provided with connecting lugs 17 integrally formed with the U-shaped frame, and the second pulley 14 is movably connected between the connecting lugs 17 through a pin shaft.

Further, the second polish rod 27 is sleeved with a buffer spring 16 which props against the upper end of the lifting plate 18, and the lower end of the second polish rod 27 is provided with a limiting disc 28 for preventing the lifting plate 18 from slipping.

Furthermore, the sliding connection bulges 4 on the left side and the right side of the backrest 6 are in sliding connection with the vertical sliding grooves 3 on the side walls of the left group of supporting vertical plates 2 and the right group of supporting vertical plates on the front part, and the two sides of the rear part of the backrest 6 are also provided with limit supporting plates 21 used for supporting the shoulders of a user.

The working principle is as follows: the user can pull the handle 26 downwards with both hands, so that the lifting plate 18 moves downwards, and then the lifting balancing weight 9 moves upwards under the drive of the rope 25, and due to the self weight of the lifting balancing weight 9 and the weight of the auxiliary balancing weight 24 inside the lifting balancing weight 9, the arm stretching exercise is performed in the process of pulling the handle 26 downwards, meanwhile, the feet of the user stand on the pedal platform 7, and the back leans against the rear part of the backrest 6, so that the back is kept straight in the arm stretching exercise process, and the optimal exercise effect is achieved;

the lifting plate 18 and the lifting balancing weight 9 move up and down along the second polish rod 27 and the first polish rod 10 respectively, so that the lifting plate 18 and the lifting balancing weight 9 move smoothly and stably;

the user can stand on the pedal platform 7 in a semi-squat mode, lean against the back of the backrest 6, enable the shoulders of the user to be located below the limiting support plate 21, straighten the legs, enable the backrest 6 to move upwards along the third polished rod 22, enable the backrest 6 to move downwards along the third polished rod 22 in bending of the two legs, and the effect of exercising leg strength can be achieved through repeated operation.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. An arm strength stretching training device comprises a base (8) and is characterized in that a pedal platform (7) is arranged in the middle of the upper end of the base (8), the upper end of the base (8) is connected with a top rectangular frame (1) through a supporting vertical plate (2), a first pulley (11) is installed at a notch groove (13) in the rear portion of the top rectangular frame (1), an upper flat plate (12) and a lower flat plate (20) are respectively arranged at the rear portions of the base (8) and the top rectangular frame (1), a first polish rod (10) penetrating through a lifting counterweight block (9) is arranged between the upper flat plate (12) and the lower flat plate (20), a U-shaped frame (15) is installed at the top of the top rectangular frame (1) through a screw (30), a second pulley (14) is arranged inside the U-shaped frame (15), second polish rods (27) penetrating through two sides of a lifting plate (18) are arranged on two sides of the front portion of the lower end of the U-, the top of lifter plate (18) is equipped with first rings (29), the bottom both sides of lifter plate (18) are equipped with handle (26), second rings (19) at lift balancing weight (9) top are connected in first rings (29) after the top of first pulley (11) and second pulley (14) is walked around in proper order through rope (25), anterior between base (8) and top rectangular frame (1) still is connected with third polished rod (22) that are located between anterior left and right sides two sets of support risers (2), third polished rod (22) have run through back (6), still cup jointed spring (5) that are used for supporting back (6) lower extreme on third polished rod (22).

2. An arm force stretching training device as claimed in claim 1, wherein the lifting weight block (9) is further provided with a placement groove (23) for placing an auxiliary weight block (24) therein.

3. An arm strength stretching training device as claimed in claim 1, wherein the U-shaped frame (15) is provided with connecting lugs (17) integrally formed at the bottom of both sides thereof, and the second pulley (14) is movably connected between the connecting lugs (17) by a pin shaft.

4. The arm force stretching training device as claimed in claim 1, wherein the second polished rod (27) is further sleeved with a buffer spring (16) abutting against the upper end of the lifting plate (18), and the lower end of the second polished rod (27) is further provided with a limiting disc (28) for preventing the lifting plate (18) from slipping.

5. The arm force stretching training device as claimed in claim 1, wherein the sliding connection protrusions (4) at the left and right sides of the backrest (6) are slidably connected with the vertical sliding grooves (3) on the side walls of the front left and right groups of supporting vertical plates (2), and the two sides at the rear part of the backrest (6) are further provided with limit supporting plates (21) for supporting on the shoulders of the user.