CN219440573U - Chest expansion training device - Google Patents
Chest expansion training device Download PDFInfo
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- CN219440573U CN219440573U CN202320679236.7U CN202320679236U CN219440573U CN 219440573 U CN219440573 U CN 219440573U CN 202320679236 U CN202320679236 U CN 202320679236U CN 219440573 U CN219440573 U CN 219440573U
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Abstract
The utility model discloses a chest expansion trainer, which comprises a left bracket welding assembly and a right bracket welding assembly which are symmetrically arranged, wherein the lower ends of the left bracket welding assembly and the right bracket welding assembly are respectively provided with a base fixedly connected with an embedded part; the middle part of the left bracket welding assembly is connected with the middle part of the right bracket welding assembly through a backrest beam pipe welding assembly; the upper end of the left bracket welding assembly is connected with the upper end of the right bracket welding assembly through a top beam pipe welding assembly, and a left longitudinal arm and a right longitudinal arm are symmetrically arranged on the lower side of the top beam pipe welding assembly left and right; the upper end of the outer side of the left longitudinal arm is connected with the upper end of the left motion arm assembly through the left rotating arm assembly, and the upper end of the outer side of the right longitudinal arm is connected with the upper end of the right motion arm assembly through the right rotating arm assembly. The chest expansion trainer makes up the blank of the body-building equipment for chest expansion training in the body-building square, and has the advantages of simple structure, high reliability, convenience in use and the like.
Description
Technical Field
The utility model relates to the technical field of fitness equipment, in particular to a chest expansion trainer.
Background
Along with the continuous improvement of the living standard of people, the demands on the health are increasingly focused, various body-building exercises are vigorously developed, and various body-building equipment is also developed. The heavy work and family trivia make most people do not have fixed time to go to the gym to do systematic exercise, so that various exercise equipment is arranged on the exercise square at any time along with the development of the district, park and exercise square, and the exercise fan can use the exercise body at any time. Among the numerous fitness training programs, chest expansion training is a basic training program, and chest expansion exercise refers to training in which muscles on the inner side of the chest are used as centers. The set of actions fully utilizes the physiological advantages to get rid of the influence of gravity on the chest and improve your ceremony. Chest expansion generally has the benefit of preventing cervical spondylosis, improving cardiopulmonary function, and preventing chest drooping. However, chest-expanding training equipment is mostly seen in professional gymnasiums such as gymnasiums, and most of the common fitness equipment in the market at present has the defects of complex structure, high cost, inconvenient use and the like, so that the prior art lacks of the fitness equipment for chest-expanding training in public fitness squares. Therefore, there is a need for a chest expansion training device, which is suitable for chest expansion training for fitness squares without professional coaches to take care of, and has the advantages of simple structure, reasonable design, strong universality and the like, so as to solve the problems which always puzzle the technicians in the field in the prior art.
Disclosure of Invention
The utility model aims to provide a chest expansion trainer, which realizes various actions of chest expansion training through the mutual coordination of a bracket welding assembly, a longitudinal arm, a rotating arm and a moving arm assembly bracket; limiting the excessive rotation angle of the moving arm assembly by using the limiting joint module brings danger to the trainee due to collision to the bracket welding assembly and excessive swing angle of the longitudinal arm.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a chest expansion training machine, which is characterized in that: the device comprises a left bracket welding assembly and a right bracket welding assembly which are symmetrically arranged, wherein the lower ends of the left bracket welding assembly and the right bracket welding assembly are respectively provided with a base fixedly connected with an embedded part; the middle part of the left bracket welding assembly is connected with the middle part of the right bracket welding assembly through a backrest beam pipe welding assembly; the upper end of the left bracket welding assembly is connected with the upper end of the right bracket welding assembly through a top beam pipe welding assembly, and a left longitudinal arm and a right longitudinal arm are symmetrically arranged on the lower side of the top beam pipe welding assembly left and right; the upper end of the outer side of the left longitudinal arm is connected with the upper end of a left motion arm assembly through a left rotating arm assembly, and the front end of the left motion arm assembly is fixed on the rear side of a left bracket welding assembly through a limit joint module; the upper end of the outer side of the right longitudinal arm is connected with the upper end of the right motion arm assembly through the right rotation arm assembly, and the front end of the right motion arm assembly is fixed on the rear side of the right bracket welding assembly through the limit joint module.
Preferably, the left bracket welding assembly and the right bracket welding assembly adopt a forward tilting structure.
Preferably, the backrest beam pipe welding assembly is provided with a backrest plate.
Preferably, the upper end of the inner side of the left longitudinal arm and the upper end of the inner side of the right longitudinal arm are hinged to the lower side of the top beam tube welding assembly along the vertical axis direction.
Preferably, the front end and the rear end of the left rotating arm assembly are respectively provided with a front cross shaft joint and a rear cross shaft joint, the upper end of the outer side of the left longitudinal arm is connected with the front end of the left rotating arm assembly through the front cross shaft joint, and the rear end of the left rotating arm assembly is connected with the upper end of the left moving arm assembly through the rear cross shaft joint; the upper end of the outer side of the right longitudinal arm is connected with the front end of the right rotating arm assembly through a front cross shaft joint, and the rear end of the right rotating arm assembly is connected with the upper end of the right moving arm assembly through a rear cross shaft joint.
Preferably, an anti-rotation and anti-falling cross frame is arranged in the middle of the embedded part.
Preferably, the limit joint module adopts a limit module with a maximum rotation angle of 50 degrees, and the limit joint module is fixed at the rear sides of the left bracket welding assembly and the right bracket welding assembly through the base of the limit joint module.
Preferably, the left motion arm assembly and the right motion arm assembly are composed of a motion arm, a counterweight and a counterweight rod, the counterweight rod adopts a U-shaped structure, and the counterweight rod is fixedly connected with the motion arm after being sleeved with the counterweight.
Preferably, the front end of the motion arm and the rotating part in the limit joint module adopt an integrated structure.
The beneficial effects of the utility model are as follows:
the anti-rotation and anti-falling cross frame is arranged in the middle of the embedded part configured by the chest expansion trainer, so that the base can be prevented from rotating and falling off after long-term use, and the embedded part is better poured with concrete; the limiting joint module is fixed on the rear sides of the left bracket welding assembly and the right bracket welding assembly through a base of the limiting joint module, and the limiting joint module is used for limiting collision to the bracket welding assembly caused by overlarge rotation angle of the moving arm assembly and danger to a trainer caused by overlarge longitudinal arm swing angle; the front end of the moving arm and the rotating part in the limiting joint module adopt an integrated structure, so that the connection strength between the moving arm and the limiting module is increased, the overall service life is prolonged, and the maintenance cost is reduced; the left bracket welding assembly and the right bracket welding assembly adopt a forward tilting structure, so that the whole machine arrangement accords with human mechanics, and the use of a trainer is more convenient; the counterweight rod adopts a U-shaped structure, and is fixedly connected with the moving arm after being sleeved with the counterweight, so that the counterweight can be increased or decreased according to the needs of customers, and the universality of the counterweight rod is improved.
When the trainer is used, the back of the trainer depends on a backboard arranged on a backrest beam pipe welding assembly, a left hand holds a handle arranged on a left longitudinal arm, a right hand holds a handle arranged on a right longitudinal arm, the arm strength only needs to swing the left longitudinal arm and the right longitudinal arm back and forth, the left longitudinal arm transmits a front-back swing angle to a left movement arm assembly through a left rotation arm assembly, the left movement arm assembly swings up and down along a limit joint module, and the left movement arm assembly is provided with a counterweight; the right longitudinal arm transmits the front-back swing angle to the right motion arm assembly through the right rotating arm assembly, the right motion arm assembly swings up and down along the limit joint module, and the right motion arm assembly is provided with a counterweight; thereby achieving the purpose of exercise.
Drawings
FIG. 1 is a schematic view of the chest expander training machine of the present utility model;
FIG. 2 is a schematic diagram of a partial structure of a squat lift trainer according to the present utility model;
FIG. 3 is a schematic diagram of a part of the squatting lift training machine according to the present utility model.
1. An embedded part; 2. ground surface; 3. a left decorative cover; 4. a left bracket welding assembly; 5. a backboard; 6. a backrest beam tube welding assembly; 7. a left trailing arm; 8. a top beam tube welding assembly; 9. a left rotating arm assembly; 10. a left motion arm assembly; 11. a right rotating arm assembly; 12. a right motion arm assembly; 13. a motion arm; 14. a limit joint module; 15. a weight bar; 16. a counterweight; 17. a right bracket welding assembly; 18. a right decorative cover; 19. a cross frame; 20. a left half decorative cover; 21. a base; 22. a front cross joint; 23. and a rear cross joint.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1, 2 and 3, the chest expansion trainer comprises a left bracket welding assembly 4 and a right bracket welding assembly 17 which are symmetrically arranged, wherein the left bracket welding assembly 4 and the right bracket welding assembly 17 adopt a forward tilting structure, so that the whole machine arrangement accords with human mechanics, and the trainer is more convenient to use; the lower end of the left bracket welding assembly 4 and the lower end of the right bracket welding assembly 17 are respectively provided with a base 21 fixedly connected with the embedded part 1 through a bolt assembly, the position, fixedly connected with the embedded part 1, of the base 21 at the lower end of the left bracket welding assembly 4 is provided with a left decorative cover 3, the position, fixedly connected with the embedded part 1, of the base 21 at the lower end of the right bracket welding assembly 17 is provided with a right decorative cover 18, the left decorative cover 3 and the right decorative cover 18 are respectively in a front-back split symmetrical structure, the purpose of the front-back split symmetrical structure is convenient to install, the left decorative cover 3 and the right decorative cover 18 are respectively composed of two left half decorative covers 20, the use of the left decorative cover 3 and the right decorative cover 18 increases the overall aesthetic property, and the middle part of the embedded part 1 is provided with an anti-rotation and anti-falling transverse frame 19, so that the base is prevented from rotating and falling after long-term use, and the embedded part 1 is better poured with concrete;
the middle part of the left bracket welding assembly 4 is connected with the middle part of the right bracket welding assembly 17 through a backrest beam pipe welding assembly 6, and a backrest plate 5 is arranged in the middle of the backrest beam pipe welding assembly 6;
the upper end of the left bracket welding assembly 4 is connected with the upper end of the right bracket welding assembly 17 through a top beam pipe welding assembly 8, a left longitudinal arm 7 and a right longitudinal arm are symmetrically arranged on the lower side of the top beam pipe welding assembly 8 left and right, and the upper end of the inner side of the left longitudinal arm 7 and the upper end of the inner side of the right longitudinal arm are hinged on the lower side of the top beam pipe welding assembly 8 along the vertical axis direction; the front and rear ends of the left rotating arm assembly 9 and the right rotating arm assembly 11 are respectively provided with a front cross shaft joint 22 and a rear cross shaft joint 23, the upper end of the outer side of the left longitudinal arm 7 is connected with the front end of the left rotating arm assembly 9 through the front cross shaft joint 22, the rear end of the left rotating arm assembly 9 is connected with the upper end of the left moving arm assembly 10 through the rear cross shaft joint 23, and the front end of the left moving arm assembly 10 is fixed on the rear side of the left bracket welding assembly 4 through the limit joint module 14;
the upper end of the outer side of the right longitudinal arm is connected with the front end of the right rotating arm assembly 11 through a front cross shaft joint 22, the rear end of the right rotating arm assembly 11 is connected with the upper end of the right moving arm assembly 12 through a rear cross shaft joint 23, and the front end of the right moving arm assembly 12 is fixed on the rear side of the right bracket welding assembly 17 through a limit joint module 14.
The limiting joint module 14 adopts a limiting module with the maximum rotation angle of 50 degrees, the limiting joint module 14 is fixed on the rear sides of the left bracket welding assembly 4 and the right bracket welding assembly 17 through a base of the limiting joint module 14, and the limiting joint module 14 is used for limiting the collision to the bracket welding assembly caused by the overlarge rotation angle of the moving arm assembly and the danger to a trainer caused by overlarge longitudinal arm swing angle; the front end of the moving arm 13 and the rotating part in the limit joint module 14 adopt an integrated structure, so that the connection strength between the moving arm 13 and the limit module is increased, the overall service life is prolonged, and the maintenance cost is reduced; the left moving arm assembly 10 and the right moving arm assembly 12 are composed of a moving arm 13, a counterweight 16 and a counterweight rod 15, the counterweight rod 15 adopts a U-shaped structure, the counterweight rod 15 is sleeved with the counterweight 16 and then fixedly connected with the moving arm 13, and the counterweight 16 can be increased or decreased according to the requirements of customers, so that the universality of the moving arm assembly is improved.
When the trainer is used, the back of the trainer depends on a backboard 5 arranged on a backrest beam pipe welding assembly 6, a left hand holds a handle arranged on a left longitudinal arm 7, a right hand holds a handle arranged on a right longitudinal arm, the left longitudinal arm 7 and the right longitudinal arm only need to swing forwards and backwards when the arm is forced, the left longitudinal arm 7 transmits a front and back swing angle to a left movement arm assembly 10 through a left rotation arm assembly 9, the left movement arm assembly 10 swings up and down along a limit joint module 14, and the left movement arm assembly 10 is provided with a counterweight; the right longitudinal arm transmits the front-back swing angle to the right motion arm assembly 12 through the right rotation arm assembly 11, the right motion arm assembly 12 swings up and down along the limit joint module 14, and the right motion arm assembly 12 is provided with a counterweight 16; thereby achieving the purpose of exercise.
The present embodiments are merely illustrative of the present utility model and are not intended to be limiting, and the technical solutions that are not substantially transformed under the present utility model are still within the scope of protection.
Claims (9)
1. A chest expansion training machine, which is characterized in that: the device comprises a left bracket welding assembly and a right bracket welding assembly which are symmetrically arranged, wherein the lower ends of the left bracket welding assembly and the right bracket welding assembly are respectively provided with a base fixedly connected with an embedded part; the middle part of the left bracket welding assembly is connected with the middle part of the right bracket welding assembly through a backrest beam pipe welding assembly; the upper end of the left bracket welding assembly is connected with the upper end of the right bracket welding assembly through a top beam pipe welding assembly, and a left longitudinal arm and a right longitudinal arm are symmetrically arranged on the lower side of the top beam pipe welding assembly left and right; the upper end of the outer side of the left longitudinal arm is connected with the upper end of a left motion arm assembly through a left rotating arm assembly, and the front end of the left motion arm assembly is fixed on the rear side of a left bracket welding assembly through a limit joint module; the upper end of the outer side of the right longitudinal arm is connected with the upper end of the right motion arm assembly through the right rotation arm assembly, and the front end of the right motion arm assembly is fixed on the rear side of the right bracket welding assembly through the limit joint module.
2. The chest expander training machine of claim 1 wherein: the left bracket welding assembly and the right bracket welding assembly adopt a forward tilting structure.
3. The chest expander training machine of claim 1 wherein: the backrest beam pipe welding assembly is provided with a backrest plate.
4. The chest expander training machine of claim 1 wherein: the upper end of the inner side of the left longitudinal arm and the upper end of the inner side of the right longitudinal arm are hinged to the lower side of the top cross beam pipe welding assembly along the vertical axis direction.
5. The chest expander training machine of claim 1 wherein: the front end and the rear end of the left rotating arm assembly are respectively provided with a front cross shaft joint and a rear cross shaft joint, the upper end of the outer side of the left longitudinal arm is connected with the front end of the left rotating arm assembly through the front cross shaft joint, and the rear end of the left rotating arm assembly is connected with the upper end of the left moving arm assembly through the rear cross shaft joint; the upper end of the outer side of the right longitudinal arm is connected with the front end of the right rotating arm assembly through a front cross shaft joint, and the rear end of the right rotating arm assembly is connected with the upper end of the right moving arm assembly through a rear cross shaft joint.
6. The chest expander training machine of claim 1 wherein: the middle part of the embedded part is provided with an anti-rotation and anti-falling transverse frame.
7. The chest expander training machine of claim 1 wherein: the limiting joint module adopts a limiting module with the maximum rotation angle of 50 degrees, and is fixed on the rear sides of the left bracket welding assembly and the right bracket welding assembly through the base of the limiting joint module.
8. The chest expander training machine of claim 1 wherein: the left moving arm assembly and the right moving arm assembly are composed of a moving arm, a counterweight and a counterweight rod, the counterweight rod adopts a U-shaped structure, and the counterweight rod is fixedly connected with the moving arm after being sleeved with the counterweight.
9. The chest expander training machine of claim 1 or 8, wherein: the front end of the moving arm and a rotating part in the limit joint module adopt an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320679236.7U CN219440573U (en) | 2023-03-31 | 2023-03-31 | Chest expansion training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320679236.7U CN219440573U (en) | 2023-03-31 | 2023-03-31 | Chest expansion training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219440573U true CN219440573U (en) | 2023-08-01 |
Family
ID=87418302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320679236.7U Active CN219440573U (en) | 2023-03-31 | 2023-03-31 | Chest expansion training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219440573U (en) |
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2023
- 2023-03-31 CN CN202320679236.7U patent/CN219440573U/en active Active
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