CN115228040A

CN115228040A - Dorsal muscle trainer for physical training

Info

Publication number: CN115228040A
Application number: CN202210765298.XA
Authority: CN
Inventors: 李军伟; 李永顺; 孟凡闯; 刘肖敏; 蔡阿香
Original assignee: Northwest Minzu University
Current assignee: Northwest Minzu University
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-10-25
Anticipated expiration: 2042-07-01
Also published as: CN115228040B

Abstract

The invention belongs to the technical field of physical training equipment, and particularly relates to a dorsal muscle trainer for physical training, which comprises a base plate, wherein a bottom plate is arranged at the lower end of the base plate, fixed blocks for connection are arranged on two sides of the base plate, a long rod is arranged inside each fixed block, a universal wheel is arranged at one end of each long rod, two vertical rods are arranged on one side of the upper end of the base plate, a plurality of threaded holes are formed in one side of each vertical rod, two first screws for connection are arranged on one side of each vertical rod, and the base plate is driven to ascend to reach a proper position through rotation of the first screw and the second screw. The second screw of pulling makes No. two screws drive when the bolt reachs suitable position, fixes it with No. two screws to reach and can not influence its use when being convenient for remove, square board bears the impact promotion ejector pad extrusion of balancing weight and is in the inside spring of shell, thereby reaches and slows down the impact, noise abatement's effect.

Description

Dorsal muscle trainer for physical training

Technical Field

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

Background

The physical training is a body-building and physical and mental-benefiting exercise, the most common is a dorsal muscle training device, the dorsal muscle training is very important when people build body, people can select a plurality of actions to train back muscles when building body, but each action is different from the function utilization condition of the muscles when in use.

The back muscle training device for the original physical training has the following defects in use:

1. the back muscle training ware is used in original sports training because its too big thing moves its position of depositing according to user's demand.

2. Original back muscle training ware for sports training, in use, when the balancing weight falls down the impact that forms the base plate produces the noise to influence other households.

3. The back muscle trainer for the original physical training causes overlarge volume and is inconvenient to store when not used.

4. Original back muscle training ware for sports training, its stay cord and balancing weight are as an organic whole, make when the stay cord fracture and need change the balancing weight together, have increased its replacement cost.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a dorsal muscle trainer for sports training, which has the characteristics of convenient movement, impact and noise reduction, volume reduction and convenient pull rope replacement.

In order to achieve the purpose, the invention provides the following technical scheme: a dorsal muscle trainer for physical training comprises a base plate, wherein the lower end of the base plate is provided with a bottom plate, both sides of the base plate are provided with fixing blocks for connection, a long rod is arranged inside each fixed block, one end of each long rod is provided with a universal wheel, one side of the upper end of each base plate is provided with two vertical rods, a plurality of threaded holes are formed in one side of each vertical rod, two first screws for connection are arranged on one side of each vertical rod, the upper end of the base plate is provided with a supporting frame for supporting, one side of the supporting frame is provided with two handles, the lower end of the supporting frame is provided with a second round rod, the lower end of the second round rod is provided with a first round rod, both sides of the lower end of the supporting frame are provided with pull ropes, the lower end of the pull rope is provided with a second connecting block, two lifting grooves are respectively arranged on two sides of the inner part of the lower end of the base plate, the lower ends of the inner parts of the lifting grooves are respectively provided with a motor, one side of the lower end of the inner part of the bottom plate is provided with a first rack, three first gears are arranged inside the first rack, clamping blocks are arranged at the lower ends of the two first gears, second screws are arranged at the upper ends of the two first gears, the lower end of the outer side of each second screw rod is provided with a second rack, the inner part of each second rack is provided with two second gears, the upper end of each second gear is provided with a first screw rod, the lower ends of the second connecting blocks are respectively provided with a first connecting block, four shells are arranged inside one side of the upper end of the base plate, springs are arranged inside the shells, the upper end of spring is equipped with the ejector pad, the inside of fixed block all is equipped with the bolt, the outside both ends of bolt all are equipped with the swivel nut, the upper end of No. two connecting blocks all is equipped with two No. two screws.

As a preferable technical scheme of the dorsal muscle trainer for physical training, the fixing block is fixedly connected with the base plate, the first screw is connected with the vertical rod through threads, the first screw is connected with the support frame through threads, and the support frame is connected with the vertical rod through the first screw.

As a preferred technical scheme of the dorsal muscle trainer for physical training, the first round rod is connected with the second round rod through sleeving, the first screw rod is connected with the base plate through clamping, the first screw rod is in meshing connection, and the second gear is connected with the second rack through meshing.

According to the preferable technical scheme of the dorsal muscle trainer for physical training, the clamping block is connected with the bottom plate through the clamping block, the clamping block is fixedly connected with the first gear, the first gear is connected with the bottom plate through the clamping block, and the second screw is fixedly connected with the first gear.

As a preferred technical scheme of the dorsal muscle trainer for physical training, the second connecting block is fixedly connected with the pull rope, the first connecting block is connected with the second connecting block through threads, and the pull rope is connected with the first connecting block through the second connecting block.

In a preferred embodiment of the dorsal muscle trainer for physical training of the invention, the push block is connected to the housing by snap-fitting, and the housing is fixedly connected to the base plate.

In a preferred embodiment of the dorsal muscle trainer for physical training of the present invention, the threaded sleeve is connected to the bolt through a thread.

Compared with the prior art, the invention has the beneficial effects that:

1. the first screw rod and the second screw rod rotate to drive the substrate to rise to reach a proper position. The second screw is pulled to drive the bolt to reach a proper position, and then the bolt is fixed by the second screw, so that the bolt is convenient to move and cannot be influenced in use.

2. Bear the impact promotion ejector pad extrusion of balancing weight through square board and be in the inside spring of shell to reach and slow down impact, noise abatement's effect.

3. The support frame is pulled to move downwards, so that the support frame drives the second round rod to descend together, and the first screw is rotated to fix the second round rod when the first round rod reaches a certain position, so that the effect of being convenient to store is achieved.

4. Through rotatory No. two connecting blocks, make No. two connecting blocks be connected with a connecting block, the auction of taking off the cap can No. two screws fix it to reach the effect of being convenient for change stay cord.

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 perspective view of the present invention;

FIG. 2 is a schematic view of the lifting device of the present invention;

FIG. 3 is a schematic sectional view of a support frame and a substrate according to the present invention;

FIG. 4 is a schematic view of the construction of the caster of the present invention;

FIG. 5 is a schematic structural view of a connection structure according to the present invention;

FIG. 6 is a schematic view of a partial enlarged structure at A in the present invention;

in the figure: 1. a substrate; 2. a base plate; 3. a fixed block; 4. a long rod; 5. a universal wheel; 6. a vertical rod; 7. a support frame; 8. a first round bar; 9. a second round bar; 10. a threaded hole; 11. pulling a rope; 12. a first screw; 13. a handle; 14. a lifting groove; 15. a first screw rod; 16. a second screw; 17. a first rack; 18. a motor; 19. a first gear; 20. a clamping block; 21. a second rack; 22. a threaded sleeve; 23. a second gear; 24. a housing; 25. a spring; 26. pushing a block; 27. a first connecting block; 28. a second connecting block; 29. a second screw; 30. a bolt; 31. a threaded sleeve.

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. 1-6, the present invention provides the following technical solutions: a dorsal muscle trainer for physical training comprises a base plate 1, a bottom plate 2 is arranged at the lower end of the base plate 1, fixing blocks 3 for connection are arranged at two sides of the base plate 1, long rods 4 are arranged inside the fixing blocks 3, universal wheels 5 are arranged at one ends of the long rods 4, two vertical rods 6 are arranged at one side of the upper end of the base plate 1, a plurality of threaded holes 10 are formed in one side of each vertical rod 6, two first screws 12 for connection are arranged at one side of each vertical rod 6, a supporting frame 7 for supporting is arranged at the upper end of the base plate 1, two handles 13 are arranged at one side of the supporting frame 7, a second round rod 9 is arranged at the lower end of the supporting frame 7, a first round rod 8 is arranged at the lower end of the second round rod 9, pull ropes 11 are arranged at two sides of the lower end of each supporting frame 7, a second connecting block 28 is arranged at the lower end of each pull rope 11, two lifting grooves 14 are formed at two sides of the inner part of the lower end of the base plate 1, 22 are arranged at the lower ends of the lifting grooves 14, the motor 18 is arranged on one side of the lower end of the inside of the bottom plate 2, a first rack 17 is arranged on the upper end of the motor 18, three first gears 19 are arranged inside the first rack 17, fixture blocks 20 are arranged at the lower ends of the two first gears 19, two screw rods 16 are arranged at the upper ends of the two first gears 19, two racks 21 are arranged at the lower ends of the outer sides of the two screw rods 16, two second gears 23 are arranged inside the two racks 21, a first screw rod 15 is arranged at the upper end of each second gear 23, a first connecting block 27 is arranged at the lower end of each second connecting block 28, four shells 24 are arranged inside one side of the upper end of the base plate 1, springs 25 are arranged inside the shells 24, push blocks 26 are arranged at the upper ends of the springs 25, bolts 30 are arranged inside the fixing blocks 3, thread sleeves 31 are arranged at the two outer ends of the bolts 30, and two second screws 29 are arranged at the upper ends of the second connecting blocks 28.

Specifically, fixed block 3 is fixed connection with base plate 1, and a screw 12 is connected with montant 6 through the screw thread, and a screw 12 is connected with support frame 7 through the screw thread, and support frame 7 is connected with montant 6 through a screw 12, and support frame 7 is for having the U-shaped component in this embodiment.

Specifically, the first round rod 8 is connected with the second round rod 9 through a sleeve, the first screw 15 is connected with the substrate 1 through a clamping, the

first screws

15 and 22 are connected in a meshing manner, the second gear 23 is connected with the second rack 21 through a meshing manner, and the second rack 21 is a closed annular component in the embodiment.

Specifically, the fixture block 20 is connected with the bottom plate 2 through a clamp, the fixture block 20 is fixedly connected with the first gear 19, the first gear 19 is connected with the bottom plate 2 through the fixture block 20, the second screw 16 is fixedly connected with the first gear 19, and the fixture block 20 is a T-shaped cylindrical member in this embodiment.

Specifically, no. two connecting blocks 28 are fixed connection with stay cord 11, and No. one connecting block 27 is connected with No. two connecting blocks 28 through the screw, and stay cord 11 is connected with No. one connecting block 27 through No. two connecting blocks 28, and No. one connecting block 27 is the U-shaped component in this embodiment.

Specifically, the push block 26 is connected to the housing 24 by engagement, and the housing 24 is fixedly connected to the substrate 1.

Specifically, the threaded sleeve 31 is threadedly coupled to the bolt 30.

The working principle and the using process of the invention are as follows: starting a motor 18 at the lower end inside the bottom plate 2, enabling the motor 18 to drive a first gear 19 to rotate, enabling the first gear 19 to drive a first rack 17 to rotate, enabling the first rack 17 to drive another two first gears 19 at two sides inside the bottom plate to rotate, enabling the other two first gears 19 to drive a clamping block 20 to rotate, enabling the first gear 19 to drive a second screw 16 at the upper end of the first gear to rotate, enabling the second screw 16 to drive a second gear 23 at the lower end outside the second gear to rotate, enabling the second gear 23 to drive a second rack 21 to rotate, enabling the second rack 21 to drive another second gear 23 to rotate, enabling the second gear 23 to drive a first screw 15 to rotate, enabling the second screw 16 and the first screw 15 to drive a lifting groove 14 inside 22 to drive the base plate 1 to ascend together, after reaching a certain position, rotating a fixing block 3 inside a universal wheel 5 to reach a proper position, twisting screw sleeves 31 at two ends outside the bolt 30, fixing the long rod 31 with a second screw 29, and pushing a square push a square block 26 to extrude a spring 25 inside a shell when the long rod 30 falls; pulling support frame 7, making support frame 7 drive handle 13 and No. two round bars 9 decline, making support frame 7 reach the montant 6 bottom, no. two round bars 9 fall into the inside bottom of No. one round bar 8, fix it with the inside of screw 12 screw in screw hole 10, when stay cord 11 fracture. The second screw 29 is rotated to separate the second screw 29 from the inside of the first connecting block 27, and the second connecting block 28 is rotated to separate the second connecting block 28 from the first connecting block 27.

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 modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. 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 dorsal muscle training ware is used in sports training which characterized in that: comprises a substrate (1), the lower end of the substrate (1) is provided with a bottom plate (2), both sides of the substrate (1) are provided with fixed blocks (3) for connection, the inside of each fixed block (3) is provided with a long rod (4), one end of each long rod (4) is provided with a universal wheel (5), one side of the upper end of the substrate (1) is provided with two vertical rods (6), one side of each vertical rod (6) is provided with a plurality of threaded holes (10), one side of each vertical rod (6) is provided with two screws (12) for connection, the upper end of the substrate (1) is provided with a support frame (7) for support, one side of the support frame (7) is provided with two handles (13), the lower end of the support frame (7) is provided with two round rods (9), the lower end of each round rod (9) is provided with a round rod (8), both sides of the lower end of the support frame (7) are provided with a pull rope (11), the lower end of the pull rope (11) is provided with a second connecting block (28), both sides of the lower end of the substrate (1) are provided with two lifting grooves (14), one side of the motor (18) and one side of the motor (18) is provided with a rack (17), the inside of a rack (17) is equipped with three gear (19), two the lower extreme of a gear (19) all is equipped with fixture block (20), two the upper end of a gear (19) all is equipped with No. two screw rods (16), the outside lower extreme of No. two screw rods (16) all is equipped with No. two rack (21), the inside of No. two rack (21) all is equipped with two No. two gears (23), one the upper end of No. two gear (23) all is equipped with a screw rod (15), the lower extreme of No. two connecting block (28) all is equipped with a connecting block (27), base plate (1) upper end one side is inside to be equipped with four shell (24), and the inside of affiliated shell (24) all is equipped with spring (25), the upper end of spring (25) is equipped with ejector pad (26), the inside of fixed block (3) all is equipped with bolt (30), the outside both ends of bolt (30) all are equipped with swivel nut (31), the upper end of No. two connecting block (28) all is equipped with two No. two screw (29).

2. The dorsal muscle trainer for sports training according to claim 1, wherein: fixed block (3) are fixed connection with base plate (1), screw (12) are connected with montant (6) through the screw thread, screw (12) are connected with support frame (7) through the screw thread, support frame (7) are connected with montant (6) through screw (12).

3. The dorsal muscle trainer for sports training according to claim 1, wherein: the first round rod (8) is connected with the second round rod (9) through sleeving, the first screw rod (15) is connected with the base plate (1) through clamping, the first screw rod (15) is connected with the first rack (21) in a meshed mode, and the second gear (23) is connected with the second rack (21) through meshing.

4. The dorsal muscle trainer for sports training according to claim 1, wherein: the fixture block (20) is connected with the bottom plate (2) through a fixture, the fixture block (20) is fixedly connected with the first gear (19), the first gear (19) is connected with the bottom plate (2) through the fixture block (20), and the second screw (16) is fixedly connected with the first gear (19).

5. The dorsal muscle trainer for sports training according to claim 1, wherein: no. two connecting blocks (28) are fixedly connected with a pull rope (11), a connecting block (27) is connected with a No. two connecting block (28) through threads, and the pull rope (11) is connected with a connecting block (27) through a No. two connecting block (28).

6. The dorsal muscle trainer for sports training according to claim 1, wherein: the push block (26) is connected with the shell (24) through clamping, and the shell (24) is fixedly connected with the substrate (1).

7. The dorsal muscle trainer for sports training according to claim 1, wherein: the threaded sleeve (31) is connected with the bolt (30) through threads.