CN113813560A

CN113813560A - High-tension dorsal muscle trainer for physical education

Info

Publication number: CN113813560A
Application number: CN202111102446.1A
Authority: CN
Inventors: 丁向东; 宛钟娜
Original assignee: Northwest Minzu University
Current assignee: Northwest Minzu University
Priority date: 2021-09-19
Filing date: 2021-09-19
Publication date: 2021-12-21
Anticipated expiration: 2041-09-19
Also published as: CN113813560B

Abstract

The invention belongs to the technical field of dorsal muscle training, in particular to a high-tension dorsal muscle trainer for physical education, which comprises a main body, wherein the front end of the main body is provided with a roller for relaxing leg muscles, the front end of the main body is provided with a transmission shaft for transmission, a second gear shaft drives a ratchet mechanism to rotate through a tooth socket, the ratchet mechanism is in meshing transmission with a square block through a gear groove, the height of the square block is adjusted through the second gear shaft, so that the height of a rotating arm is lifted, the trainer is convenient for people with different heights to use, the application range is improved, one end of the transmission shaft is provided with a pedal through the arrangement of the transmission shaft, the other end of the transmission shaft is in transmission with a worm through a turbine, so that a second connecting rod is driven to stretch, the arrangement plays a role in controlling the stretching and falling speed through the foot strength, and effectively counteracts the reaction force of the falling growth, plays a certain care role for the trainers.

Description

High-tension dorsal muscle trainer for physical education

Technical Field

The invention belongs to the technical field of dorsal muscle training, and particularly relates to a high-tension dorsal muscle trainer for physical education.

Background

Along with the improvement of health consciousness of people, the importance of body building is emphasized by people, and various body building modes are more and more common; at ordinary times, some students study, the operating time is longer, and often keep same position of sitting, in addition the posture is incorrect, learning intensity is big, inevitably cause the back muscle ache, muscle fatigue, and then cause the lumbago, symptoms such as back muscle strain, lumbar disc herniation can be caused to the serious person, latissimus dorsi muscle training ware mainly tempers latissimus dorsi, trapezius, deltoid muscle and biceps brachii muscle, can improve body back muscle strength, reinforcing back muscle and abdominal muscle ligament tensile force, strengthen the coordination ability of back little muscle crowd, increase back muscle motion flexibility and pliability, can effectual improvement back's motion endurance.

Original sports teaching is with high tension dorsal muscle training ware is fixed design mostly, can't adjust according to the training person of different heights, and the too high or too short training person of part height trains very inconveniently, and is stretching the in-process that falls back, because reaction force is great, very easily causes droing of handle because of reasons such as training person hand cunning, brings certain hidden danger for training person's safety.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides the high-tension dorsal muscle trainer for physical education, which has the characteristics of simple structure, compact connection, convenience in adjustment, wider application range, small reaction force of stretching and falling, safety and reliability.

In order to achieve the purpose, the invention provides the following technical scheme: a high-tension dorsal muscle trainer for physical education comprises a main body, wherein the front end of the main body is provided with idler wheels for relaxing leg muscles, the front end of the main body is provided with a transmission shaft for transmission, the transmission shaft is connected with a second connecting block through a turbine, the second connecting block is connected with a second connecting rod through a third connecting rod, the second connecting rod is connected with a rotating arm through a first connecting rod, one end of the rotating arm is connected with a square block, the other end of the rotating arm is provided with a sliding groove for sliding action of a handle, a limiting rod for limiting the sliding action of the handle is arranged in the sliding groove, the sliding groove is connected with the handle through the limiting rod, the handle is provided with a T-shaped rod for transmission locking action, the other end of the main body is provided with a rectangular groove for telescopic action of the square block, and a gear shaft for transmission action is arranged in the rectangular groove of the main body, the first gear shaft is connected with the square block through a gear groove.

According to the preferable technical scheme of the high-tension dorsal muscle trainer for sports teaching, one end of the first gear shaft is meshed with the second gear shaft through a tooth groove, the tooth groove at the second gear shaft is three times smaller than the tooth groove at the first gear shaft, the other end of the second gear shaft is meshed with the ratchet mechanism through the tooth groove, the other end of the first gear shaft is meshed and connected with the gear groove through the tooth groove, and the gear groove is formed in the side end of the square block.

The preferable technical scheme of the high-tension dorsal muscle trainer for physical education comprises that one end of the transmission shaft is provided with a pedal plate, the other end of the transmission shaft is sleeved with a worm wheel, the worm wheel of the transmission shaft is meshed with the worm through a tooth groove, the high rotating shaft of the worm is connected with a third connecting rod, the third connecting rod is connected with a second connecting rod through a rotating shaft, the second connecting rod is connected with a first connecting rod through a rotating shaft, and the other end of the first connecting rod is fixedly connected with the rotating arm.

According to the preferable technical scheme of the high-tension dorsal muscle trainer for physical education, the middle of the rotating arm is connected with the first connecting block through the limiting rod, the bottom of the rotating arm is connected with the second connecting block through the sliding groove, the other ends of the first connecting block and the second connecting block are fixedly connected with the locking block, and the locking block is meshed and connected with the T-shaped rod tooth groove through the tooth groove.

According to the preferable technical scheme of the high-tension dorsal muscle trainer for physical education, the rotating arm is provided with the telescopic rod, the other end of the telescopic rod is sleeved in the L-shaped block, and the outer end of the telescopic rod is sleeved with the buffer spring for buffering.

According to the preferred technical scheme of the high-tension dorsal muscle trainer for physical education, the handle is a square rod, the other end of the handle is sleeved with the round barrel, the outer end of the round barrel is round, and the round barrel is provided with the anti-skidding groove used for increasing the friction force.

According to the preferable technical scheme of the high-tension dorsal muscle trainer for physical education, the first connecting block is arc-shaped, the end face of the first connecting block is provided with a rectangular groove used for increasing friction force, the second connecting block is square, and the end face of the second connecting block is also provided with a rectangular groove.

Compared with the prior art, the invention has the beneficial effects that: through the arrangement of the second gear shaft, the second gear shaft drives the ratchet mechanism to rotate through the tooth socket, the ratchet mechanism is in meshed transmission with the square block through the gear groove, the height of the square block is adjusted through the second gear shaft, so that the lifting effect on the height of the rotating arm is achieved, the ratchet mechanism is convenient for people with different heights to use, the application range is improved, through the arrangement of the transmission shaft, one end of the transmission shaft is provided with a pedal, the other end of the transmission shaft is in transmission with a worm through a turbine, so that the second connecting rod is driven to stretch and retract, the arrangement has the function of controlling the stretching and falling speed through the foot strength, the reaction force of the falling and falling growths is effectively counteracted, a certain caring effect is achieved for a trainer, through the arrangement of the rotating arm, the rotating arm drives the locking block to move through the T-shaped rod, the locking block is connected with the limiting rod through the first connecting block, and the other end is connected with the sliding groove through the second connecting block, this setting is played the training person and can be according to the width of self arm, carries out suitable regulation to the handle interval, and the comfort level that two arms extended when improving the training, the effect of effectual improvement training is equipped with the rectangular channel in the cask through the setting in antiskid groove, is equipped with antiskid groove outward, should set up and play the contact roughness of increase and training person's hand, improves skid-proof effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic view of the structure of the rotating arm according to the present invention;

FIG. 4 is a schematic view of the locking block of the present invention;

FIG. 5 is a schematic structural view of a joint of a transmission shaft according to the present invention;

in the figure: 1. a main body; 2. a drive shaft; 3. a roller; 4. a barrel; 5. an anti-slip groove; 6. a handle; 7. a rotating arm; 8. a buffer spring; 9. a telescopic rod; 10. a third connecting rod; 11. an L-shaped block; 12. a first connecting rod; 13. a second connecting rod; 14. a ratchet mechanism; 15. a first gear shaft; 16. a second gear shaft; 17. a gear groove; 18. a square block; 19. a limiting rod; 20. a sliding groove; 21. a T-shaped rod; 22. a locking block; 23. a first connecting block; 24. a second connecting block; 25. a worm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a high-tension dorsal muscle trainer for physical education comprises a main body 1, wherein the front end of the main body 1 is provided with a roller 3 for relaxing leg muscles, the front end of the main body 1 is provided with a transmission shaft 2 for transmission, the transmission shaft 2 is connected with a second connecting block 24 through a turbine, the second connecting block 24 is connected with a second connecting rod 13 through a third connecting rod 10, the second connecting rod 13 is connected with a rotating arm 7 through a first connecting rod 12, one end of the rotating arm 7 is connected with a square block 18, the other end of the rotating arm is provided with a sliding groove 20 for sliding action of a handle 6, a limiting rod 19 for limiting sliding action of the handle 6 is arranged in the sliding groove 20, the sliding groove 20 is connected with the handle 6 through the limiting rod 19, a T-shaped rod 21 for transmission locking action is arranged at the handle 6, a rectangular groove for telescopic action of the square block 18 is arranged at the other end of the main body 1, a first gear shaft 15 for transmission action is arranged in the rectangular groove of the main body 1, the first gear shaft 15 is connected with the square block 18 through the gear groove 17.

Specifically, a gear shaft 15 one end is passed through tooth's socket and is meshed mutually with No. two gear shafts 16, the tooth's socket of No. two gear shafts 16 departments is less than three times than the tooth's socket of a gear shaft 15 department, No. two gear shafts 16 other ends pass through tooth's socket and ratchet 14 meshes mutually, No. one gear shaft 15 other end passes through tooth's socket and is connected with the meshing of gear groove 17, gear groove 17 sets up at square 18 sides, adjust square 18 height through No. two gear shafts 16 in this embodiment, thereby reach the height to rotor arm 7 and carry out the elevating system, be convenient for different height persons use, improve the scope of being suitable for.

Specifically, transmission shaft 2 one end is equipped with the running-board, the other end pot head is equipped with the turbine, transmission shaft 2 turbine meshes with worm 25 mutually through the tooth's socket, worm 25 sugar portion high pivot is connected with No. three connecting rod 10, No. three connecting rod 10 is connected with No. two connecting rod 13 through the pivot, No. two connecting rod 13 is connected with No. 12 through the pivot, the other end and the rotor arm 7 fixed connection of No. 12, drive transmission shaft 2 through foot's strength in this embodiment and rotate, play the effect of control to the stretch-draw fall-back speed, effectual offsetting fall-back is grown counter force, play certain care effect to the training person.

It is specific, department is connected with connecting block 23 through gag lever post 19 in the middle of the rotor arm 7, the bottom is connected with connecting block 24 No. two through sliding tray 20, connecting block 23 and connecting block 24 No. two the other end all with latch segment 22 fixed connection, latch segment 22 passes through the tooth's socket and is connected with 21 tooth's socket meshing of T shape pole, the person of training can be according to the width of self arm in this embodiment, carry out appropriate regulation to 6 intervals of handle, the comfort level that two arms extended when improving the training, the effect of effectual improvement training.

Specifically, rotor arm 7 is equipped with telescopic link 9, and the telescopic link 9 other pot head is established in L shape piece 11, and the outer pot head of telescopic link 9 is equipped with buffer spring 8 that is used for the cushioning effect, plays the effect of buffering to stretching back to fall through telescopic link 9 and buffer spring 8 in this embodiment, reduces reaction force.

Specifically, handle 6 is square pole, and 6 other end departments of handle are equipped with

cask

4, and 4 outer ends of cask are circular form, and are equipped with the anti-skidding groove 5 that is used for increasing the frictional force effect, and drum 4 plays the contact thickness of increasing with training person's hand in this embodiment, improves skid-proof effect.

Specifically, connecting block 23 is the arc form, and the terminal surface is equipped with the rectangular channel that is used for increasing the frictional force effect, and No. two connecting blocks 24 are square form, and the terminal surface also is equipped with the rectangular channel, and connecting block 23 and No. two connecting blocks 24 all press from both sides tightly through increasing the frictional force in this embodiment to reach fixed effect.

The working principle and the using process of the invention are as follows: the trainer sits at the main body 1, feels the height of the rotating arm 7 and the width of the handle 6, performs appropriate allocation, rotates the ratchet mechanism 14 reversely, rotates the second gear shaft 16, the second gear shaft 16 drives the first gear shaft 15 to rotate through a tooth space, the first gear shaft 15 is in meshing transmission with the gear groove 17 through the tooth space to drive the square block 18 to lift, after adaptation, rotates the ratchet mechanism 14 forwardly to enable the inner ratchet groove to be meshed with the tooth space of the second gear shaft 16, performs locking, rotates the T-shaped rod 21 reversely, the T-shaped rod 21 is in meshing transmission with the tooth space at the locking block 22 through the tooth space to drive the locking block 22 to move, slides the handle 6 to a proper position, rotates the T-shaped rod 21 clockwise to drive the locking block 22 to move, connects the first connecting block 23 with the limiting rod 19 tightly, connects the second connecting block 24 with the sliding groove 20 tightly to form fixation, and when the handle is stretched and falls back, the trainer can select whether to adopt foot strength to assist according to self physical power situation, drive transmission shaft 2 through the running-board and rotate, the 2 other ends of transmission shaft are equipped with the turbine, mesh with worm 25 through the turbine, drive worm 25 and remove, worm 25 drives No. three connecting rods 10 through rotating and removes, No. three connecting rods 10 drive No. two connecting rods 13 through the pivot and remove, No. two connecting rods 13 other ends drive No. one connecting rod 12 through the pivot and remove, No. one connecting rod 12 other end is connected with rotor arm 7, thereby assist the tensile fall-back of rotor arm 7, reduce the effort of fall-back.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high tension dorsal muscle training ware is used in sports teaching which characterized in that: including main part (1), main part (1) front end is equipped with gyro wheel (3) that are used for shank muscle to relax the effect, main part (1) front end is equipped with transmission shaft (2) that are used for the transmission effect, transmission shaft (2) are connected with No. two connecting blocks (24) through the turbine, No. two connecting blocks (24) are connected with No. two connecting rods (13) through No. three connecting rods (10), No. two connecting rods (13) are connected with rotor arm (7) through a connecting rod (12), rotor arm (7) one end is connected with square piece (18), and other end department is equipped with sliding tray (20) that are used for handle (6) sliding effect, be equipped with gag lever post (19) that are used for the spacing sliding effect of handle (6) in sliding tray (20), sliding tray (20) are connected with handle (6) through gag lever post (19), handle (6) department is equipped with T shape pole (21) that are used for transmission locking effect, the other end of main part (1) is equipped with the rectangular channel that is used for square piece (18) telescopic action in, be equipped with a gear shaft (15) that are used for the transmission effect in main part (1) rectangular channel, a gear shaft (15) are connected with square piece (18) through gear groove (17).

2. The high-tension dorsal muscle trainer for physical education as claimed in claim 1, wherein: a gear shaft (15) one end is through tooth's socket and No. two gear shafts (16) mesh mutually, the tooth's socket of No. two gear shafts (16) department is less than three times than the tooth's socket of a gear shaft (15) department, No. two gear shaft (16) other ends pass through tooth's socket and ratchet (14) mesh mutually, a gear shaft (15) other end passes through tooth's socket and gear groove (17) meshing connection, gear groove (17) set up at square piece (18) side.

3. The high-tension dorsal muscle trainer for physical education as claimed in claim 1, wherein: one end of the transmission shaft (2) is provided with a pedal plate, the other end of the transmission shaft is sleeved with a turbine, the turbine of the transmission shaft (2) is meshed with the worm (25) through a tooth groove, a sugar height rotating shaft of the worm (25) is connected with a third connecting rod (10), the third connecting rod (10) is connected with a second connecting rod (13) through a rotating shaft, the second connecting rod (13) is connected with a first connecting rod (12) through a rotating shaft, and the other end of the first connecting rod (12) is fixedly connected with the rotating arm (7).

4. The high-tension dorsal muscle trainer for physical education as claimed in claim 1, wherein: the middle of the rotating arm (7) is connected with a first connecting block (23) through a limiting rod (19), the bottom of the rotating arm is connected with a second connecting block (24) through a sliding groove (20), the other ends of the first connecting block (23) and the second connecting block (24) are fixedly connected with a locking block (22), and the locking block (22) is connected with a T-shaped rod (21) through tooth grooves in a meshed mode.

5. The high-tension dorsal muscle trainer for physical education as claimed in claim 1, wherein: the rotating arm (7) is provided with a telescopic rod (9), the other end of the telescopic rod (9) is sleeved in the L-shaped block (11), and the outer end of the telescopic rod (9) is sleeved with a buffer spring (8) with a buffer effect.

6. The high-tension dorsal muscle trainer for physical education as claimed in claim 1, wherein: handle (6) are square pole, handle (6) other end department cover is equipped with cask (4), cask (4) outer end is circular form, and is equipped with anti-skidding groove (5) that are used for increasing the frictional force effect.

7. The high-tension dorsal muscle trainer for physical education as claimed in claim 4, wherein: no. two connecting blocks (24) are square, and the terminal surface also is equipped with the rectangular channel.