CN219398875U

CN219398875U - Chest expander for physical exercise

Info

Publication number: CN219398875U
Application number: CN202320525657.4U
Authority: CN
Inventors: 李永奇
Original assignee: Qiqihar University
Current assignee: Qiqihar University
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-07-25
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a chest expander for physical exercise, which belongs to the technical field of exercise equipment and comprises an exercise platform, wherein an exercise mechanism is arranged above the exercise platform, one side of the exercise mechanism is provided with an adjusting mechanism, the exercise mechanism comprises a pull ring, a steering wheel and a pull plate, the pull ring is arranged above the exercise platform, the steering wheel is arranged in the exercise platform, the pull plate is arranged on one side of the steering wheel, and the adjusting mechanism comprises a slide bar, a cushion and a back cushion. According to the utility model, the pull ring is pulled to drive the pull plate to move, the pull plate drives the weighting block on the pull rod to squeeze the spring, when an exerciser reduces hand force, the pull plate is driven by the spring to recover by the pull rod, the pull plate drives the pull ring on the pull rope to recover, and the arranged anti-slip pad can reduce the condition that the pull ring is out of hand due to perspiration of the hands of the exerciser, so that the anti-slip pad has the advantage of convenience in exercise.

Description

Chest expander for physical exercise

Technical Field

The utility model relates to the technical field of exercise equipment, in particular to a chest expander for physical exercise.

Background

The physical exercise is a physical activity process which combines various physical measures with natural force to develop body, promote health, strengthen physique and entertain mind, is a main form of mass physical activity, has important functions of promoting the growth and development of human body, culturing the body building state, improving the working capacity of the body, eliminating fatigue, regulating emotion, preventing and treating diseases, prolonging life and even improving and improving the whole national physique, and is characterized in that people with wide masses and various ages, sexes, different professions and health conditions can exercise appropriately according to personal conditions, the form and the content are flexible and various, the exercise can be performed independently, and the exercise can also be performed collectively, and when people do exercise, the tension of arms and the coordination degree of the body can be performed by using a chest expander at times.

For example, chinese patent publication No. CN212914390U discloses a chest expander for physical training, which comprises a base plate, the last fixed surface of bottom plate is connected with the supporting seat, the last fixed surface of supporting seat is connected with the backup plate, the surface of backup plate is provided with the cushion, the last fixed surface of bottom plate is connected with the mounting panel, the surface of mounting panel is provided with mounting bolt, the last fixed surface of mounting panel is connected with the working piece, threaded hole has been seted up to the surface of working piece, the jack has been seted up to the surface of working piece. This chest expander for physical training, through the setting of hand pull rod, the arm is backward with force afterwards, and the shank utilizes the surface of supporting the sole to temper the pulling force of arm and the harmony of health to when not needing to use, the staff can loosen mounting bolt and fixing bolt and dismantle it, conveniently shifts and stores, thereby has reached the purpose of facilitate the use and taking exercise.

However, the above-mentioned device has the following disadvantages that the user's hands are easy to sweat after exercising, resulting in easy falling of the hand lever, and the height of the supporting seat and the angle of the back cushion are inconvenient to adjust.

Disclosure of Invention

The utility model provides a chest expander for physical exercise, which aims to solve the problems in the background technology.

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

the utility model provides a chest expander for physical training, includes the exercise platform, the top of exercise platform is provided with exercise mechanism, one side of exercise mechanism is provided with adjustment mechanism, exercise mechanism is including pull ring, return pulley and arm-tie, the pull ring sets up the top at exercise platform, the return pulley sets up the inside at exercise platform, the arm-tie sets up one side at the return pulley, adjustment mechanism is including draw runner, cushion and cushion, draw runner movable mounting is on the inner wall of exercise platform, cushion fixed mounting is at the top of draw runner, the cushion sets up the top at the cushion.

The technical scheme of the utility model is further improved as follows: the exercise platform comprises a training platform, wherein a concave block is fixedly installed on the inner wall of one side of the training platform, a weighting block is movably installed on the inner wall of the concave block, and a pull rod is fixedly installed on the outer wall of one side of the pull plate.

The technical scheme of the utility model is further improved as follows: the outer wall of pull rod and the inner wall swing joint of spill piece, one end of pull rod and one side outer wall fixed connection of weight, the activity cover is equipped with the spring on the outer wall of pull rod, fixed mounting has the bracing piece on the inner wall of exercise platform, the outer wall of bracing piece and the inner wall swing joint of directive wheel.

The technical scheme of the utility model is further improved as follows: one end of the spring is fixedly connected with one side outer wall of the weighting block, the other end of the spring is fixedly connected with one side inner wall of the concave block, a buffer pad is fixedly installed on one side outer wall of the concave block, an anti-slip pad is fixedly installed on the inner wall of the pull ring, a sliding opening is formed in the top of the exercise platform, a pull rope is fixedly installed on the outer wall of the pull ring, the outer surface of the pull rope is movably connected with the outer wall of the steering wheel, and one end of the pull rope is fixedly connected with one side outer wall of the pull plate.

The technical scheme of the utility model is further improved as follows: the inner wall movable mounting of exercise platform has the two-way threaded rod, movable mounting has the movable block on the outer wall of two-way threaded rod, the movable block has two, the top movable mounting of movable block has the articulated pole, the one end of articulated pole and the bottom swing joint of draw runner.

The technical scheme of the utility model is further improved as follows: the outer wall of bull stick is gone up the activity cover and is equipped with the torsional spring, one end and one side outer wall fixed connection of connecting block of torsional spring, the other end and one side inner wall fixed connection of door shape seat of torsional spring, the inner wall movable mounting of door shape seat has the brace, fixed mounting has the fixture block on one side outer wall of brace, the outer wall and the inner wall swing joint of connecting block of fixture block.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a chest expander for physical exercise, which is characterized in that under the interaction of a pull ring, a steering wheel, a pull plate, a concave block, a weight, a pull rod, a spring and an anti-slip pad, the pull ring is pulled to drive the pull plate to move, the pull plate drives the weight block on the pull rod to squeeze the spring, when an exerciser reduces hand force, the pull rod drives the pull plate to recover by the elasticity of the spring, the pull plate drives the pull ring on the pull rod to recover, and the arranged anti-slip pad can reduce the condition that the pull ring is out of hand due to perspiration of the hand of the exerciser, so that the chest expander has the advantage of convenient exercise.

2. The utility model provides a chest expander for physical exercise, which is characterized in that under the interaction of a slide bar, a cushion, a back cushion, a bidirectional threaded rod, moving blocks, a rotating rod, a connecting block, a torsion spring and a clamping block, the two moving blocks are driven to move by rotating the bidirectional threaded rod, the moving blocks drive a hinging rod to move up and down, the slide bar drives the cushion to move up and down, the height of the cushion is adjusted, the pull bar is pulled to drive the clamping block to move out of the connecting block, an exerciser can lean against the back cushion and can move along the back movement track of the exerciser by the force of the back, and the chest expander has the advantage of convenient adjustment.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a structural exercise mechanism of the present utility model;

FIG. 3 is a schematic cross-sectional view of a structural adjustment mechanism of the present utility model;

fig. 4 is a schematic view of a part of the structure of the present utility model.

In the figure: 1. an exercise platform; 2. an exercise mechanism; 21. a pull ring; 22. a steering wheel; 23. pulling a plate; 24. a concave block; 25. weighting blocks; 26. a pull rod; 27. a spring; 3. an adjusting mechanism; 31. a slide bar; 32. a cushion; 33. a back cushion; 34. a two-way threaded rod; 35. a moving block; 36. a rotating rod; 37. a connecting block; 38. a torsion spring; 39. and (5) clamping blocks.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-4, the utility model provides a chest expander for physical exercise, which comprises an exercise platform 1, an exercise mechanism 2 is arranged above the exercise platform 1, one side of the exercise mechanism 2 is provided with an adjusting mechanism 3, the exercise mechanism 2 comprises a pull ring 21, a steering wheel 22 and a pull plate 23, the pull ring 21 is arranged above the exercise platform 1, the steering wheel 22 is arranged in the exercise platform 1, the pull plate 23 is arranged on one side of the steering wheel 22, the adjusting mechanism 3 comprises a slide bar 31, a cushion 32 and a cushion 33, the slide bar 31 is movably mounted on the inner wall of the exercise platform 1, the cushion 32 is fixedly mounted on the top of the slide bar 31, the cushion 33 is arranged above the cushion 32, a concave block 24 is fixedly mounted on one side inner wall of the exercise platform 1, the inner wall of the concave block 24 is movably mounted with a weighting block 25, one side outer wall of the pull plate 23 is fixedly mounted with a pull rod 26, one end of the pull rod 26 is fixedly connected with one side outer wall of the concave block 24, one end of the pull rod 26 is movably sleeved with one side of the outer wall of the concave block 22, one side of the outer wall of the pull rod is fixedly connected with one side of the concave block 21, one side of the outer wall of the pull rod is fixedly connected with one end of the concave block 21, one side of the outer wall of the concave block 21 is fixedly mounted with the outer wall of the cushion 22, one end of the concave block is fixedly connected with one side of the outer wall 21 is fixedly connected with the outer wall of the cushion 22, and one side of the outer wall of the concave block is fixedly connected with the outer wall 21.

In this embodiment, pulling pull ring 21 drives the stay cord and removes, the stay cord drives the arm-tie 23 and removes, the arm-tie 23 drives the pull rod 26 and removes, the pull rod 26 drives weight 25 extrusion spring 27, when the person taking exercise reduces the hand and exert oneself, the elasticity of spring 27 makes pull rod 26 drive arm-tie 23 resume, pull ring 21 on the arm-tie 23 drive stay cord resumes, the blotter of setting can avoid the person taking exercise to take off the power after, the arm-tie 23 resumes the too fast concave piece 24 of collision and takes place huge sound, the slipmat of setting can reduce the person's hand and sweat and lead to the condition that pull ring 21 taken off the hand.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inner wall movable mounting of exercise platform 1 has two-way threaded rod 34, and movable mounting has movable block 35 on the outer wall of two-way threaded rod 34, and movable block 35 has two, and movable block 35's top movable mounting has the articulated pole, and articulated pole's one end and the bottom swing joint of draw runner 31.

In this embodiment, the two moving blocks 35 are driven to move by rotating the bidirectional threaded rod 34, the moving blocks 35 drive the sliding bar 31 on the hinge rod to move, the sliding bar 31 drives the cushion 32 to move up and down, and the height of the cushion 32 is adjusted.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the top fixed mounting of cushion 32 has a door shape seat, door shape seat's inner wall movable mounting has bull stick 36, movable mounting has connecting block 37 on the outer wall of bull stick 36, the top of connecting block 37 and the bottom fixed connection of cushion 33, movable sleeve is equipped with torsional spring 38 on the outer wall of bull stick 36, the one end and the one side outer wall fixed connection of connecting block 37 of torsional spring 38, the other end and one side inner wall fixed connection of door shape seat of torsional spring 38, door shape seat's inner wall movable mounting has the brace, fixed mounting has fixture block 39 on one side outer wall of brace, the outer wall and the inner wall swing joint of connecting block 37 of fixture block 39.

In this embodiment, the pull bar drives the clamping block 39 to move out of the connecting block 37, the exerciser can make the back cushion 33 follow the back movement track of the exerciser by leaning on the back cushion 33 and exerting force on the back, and the torsion spring 38 is arranged to facilitate the recovery of the back cushion 33.

The working principle of the chest expander for physical exercise is specifically described below.

As shown in fig. 1-4, when a user needs to perform tension training, pulling the pull ring 21 drives the pull rope to move, the pull rope drives the pull plate 23 to move, the pull plate 23 drives the pull rod 26 to move, the pull rod 26 drives the weight 25 to squeeze the spring 27, when the user reduces hand force, the elasticity of the spring 27 enables the pull rod 26 to drive the pull plate 23 to recover, the pull plate 23 drives the pull ring 21 on the pull rope to recover, the buffer pad can avoid the situation that the pull plate 23 recovers too fast to collide with the concave block 24 to generate huge sound after the user takes off force, the arranged anti-slip pad can reduce the situation that the hand of the user sweats to cause the pull ring 21 to be out of hands, the anti-slip pad has the advantage of convenient exercise, when the user needs to adjust the cushion 32 to a proper height, the two moving blocks 35 are rotated to move, the moving blocks 35 drive the sliding bar 31 to move, the sliding bar 31 drives the cushion 32 to move up and down, the height of the seat cushion 32 is adjusted, the pull bar 39 is pulled to move out of the connecting block 37, the user can follow the movement track of the back cushion 33 through the back cushion 33, and the set torsion spring 38 can conveniently adjust the back cushion 33.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. Chest expander for physical training, including temper platform (1), its characterized in that: the utility model provides an exercise platform, exercise platform (1)'s top is provided with exercise mechanism (2), one side of exercise mechanism (2) is provided with adjustment mechanism (3), exercise mechanism (2) are including pull ring (21), return pulley (22) and arm-tie (23), pull ring (21) set up in the top of exercise platform (1), return pulley (22) set up the inside at exercise platform (1), arm-tie (23) set up in one side of return pulley (22), adjustment mechanism (3) are including draw runner (31), cushion (32) and cushion (33), draw runner (31) movable mounting is on the inner wall of exercise platform (1), cushion (32) fixed mounting is at the top of draw runner (31), cushion (33) set up the top at cushion (32).

2. The chest expander for physical exercise of claim 1, wherein: concave blocks (24) are fixedly arranged on the inner wall of one side of the exercise platform (1), weight blocks (25) are movably arranged on the inner wall of each concave block (24), and pull rods (26) are fixedly arranged on the outer wall of one side of the pull plate (23).

3. The chest expander for physical exercise of claim 2, wherein: the outer wall of pull rod (26) and the inner wall swing joint of spill piece (24), the one end of pull rod (26) and the one side outer wall fixed connection of aggravating piece (25), the activity cover is equipped with spring (27) on the outer wall of pull rod (26), fixed mounting has the bracing piece on the inner wall of exercise platform (1), the outer wall of bracing piece and the inner wall swing joint of directive wheel (22).

4. A chest expander for physical exercise according to claim 3, wherein: one end of spring (27) is with one side outer wall fixed connection of aggravating piece (25), the other end of spring (27) and one side inner wall fixed connection of spill piece (24), fixed mounting has the blotter on one side outer wall of spill piece (24), the inner wall fixed mounting of pull ring (21) has the slipmat, the slide opening has been seted up at the top of exercise platform (1), fixed mounting has the stay cord on the outer wall of pull ring (21), the surface and the outer wall swing joint of turning to wheel (22) of stay cord, one end and one side outer wall fixed connection of arm-tie (23) of stay cord.

5. The chest expander for physical exercise of claim 1, wherein: the inner wall movable mounting of exercise platform (1) has two-way threaded rod (34), movable mounting has movable block (35) on the outer wall of two-way threaded rod (34), movable block (35) have two, the top movable mounting of movable block (35) has the articulated pole, the one end of articulated pole and the bottom swing joint of draw runner (31).

6. The chest expander for physical exercise of claim 1, wherein: the top fixed mounting of cushion (32) has a door shape seat, the inner wall movable mounting of door shape seat has bull stick (36), movable mounting has connecting block (37) on the outer wall of bull stick (36), the top of connecting block (37) and the bottom fixed connection of cushion (33).

7. The chest expander for physical exercise of claim 6, wherein: the outer wall of the rotating rod (36) is movably sleeved with a torsion spring (38), one end of the torsion spring (38) is fixedly connected with one side outer wall of the connecting block (37), the other end of the torsion spring (38) is fixedly connected with one side inner wall of the portal seat, a brace is movably mounted on the inner wall of the portal seat, a clamping block (39) is fixedly mounted on one side outer wall of the brace, and the outer wall of the clamping block (39) is movably connected with the inner wall of the connecting block (37).