CN115228040B

CN115228040B - Dorsum muscle trainer for physical training

Info

Publication number: CN115228040B
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: 2023-05-05
Anticipated expiration: 2042-07-01
Also published as: CN115228040A

Abstract

The invention belongs to the technical field of physical training equipment, and particularly relates to a dorsum muscle trainer for physical training, which comprises a substrate, wherein a bottom plate is arranged at the lower end of the substrate, fixing blocks for connection are arranged at two sides of the substrate, long rods are arranged in the fixing blocks, universal wheels are arranged at one ends of the long rods, two vertical rods are arranged at one side of the upper end of the substrate, a plurality of threaded holes are formed in one side of each vertical rod, two first screws for connection are arranged at one side of each vertical rod, and the substrate is driven to ascend through rotation of the first screw and the second screw to reach a proper position. When the second screw is pulled to enable the second screw to drive the bolt to a proper position, the second screw is used for fixing the bolt, so that the use of the square plate is not influenced when the square plate is convenient to move, the square plate bears the impact of the balancing weight to push the pushing block to extrude the spring inside the shell, and the effects of reducing impact and noise are achieved.

Description

Dorsum muscle trainer for physical training

Technical Field

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

Background

The physical training is a physical and psychological exercise with the body building and beneficial effects, the most common is a dorsum muscle trainer device, the dorsum muscle training is very important when people exercise, people can select a plurality of actions to exercise the back muscles when people exercise, but the function utilization conditions of the muscles are different when each action is applied.

The prior dorsum muscle trainer for physical training has the following defects in use:

1. the original dorsum muscle trainer for physical training cannot move the storage position according to the requirement of a user due to the fact that the dorsum muscle trainer is too large.

2. The original dorsum muscle training ware for physical training, in use, when the balancing weight falls down to the impact that the base plate formed produce the noise to influence other households.

3. The original dorsum muscle trainer for physical training causes overlarge volume when not in use and is inconvenient to store.

4. Original back muscle training ware for physical training, its stay cord is as an organic whole with the balancing weight, makes the balancing weight change together when the stay cord fracture, has increased its replacement cost.

Disclosure of Invention

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

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a dorsum muscle trainer for physical training, includes the base plate, the lower extreme of base plate is equipped with the bottom plate, the both sides of base plate all are equipped with the fixed block that is used for connecting, the inside of fixed block all is equipped with the stock, the one end of stock all is equipped with the universal wheel, upper end one side of base plate is equipped with two montants, a plurality of screw holes have all been seted up to one side of montant, one side of montant all is equipped with two screws that are used for connecting, the upper end of base plate is equipped with the support frame that is used for supporting, one side of support frame is equipped with two handles, the support frame lower extreme is equipped with No. two round bars, the lower extreme of No. two round bars is equipped with one round bar, the lower extreme both sides of support frame all are equipped with the stay cord, the lower extreme of stay cord is equipped with No. two connecting blocks, the inside both sides of lower extreme of base plate all have been seted up two lifting grooves, the inside lower extreme of lifting groove all is equipped with one swivel nut, inside lower extreme one side of bottom plate is equipped with the motor, the upper end of motor is equipped with one screw, the inside of one is equipped with three racks one, one side is equipped with the support frame, one side is equipped with two racks one side is equipped with two ends, one side is equipped with two racks, one side is equipped with two side of the inside of the rack, one end is equipped with two side of the inside of the outer side of the outer casing, the upper end of No. two connecting blocks all is equipped with two No. two screws.

As an optimal technical scheme of the dorsum 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 supporting frame through threads, and the supporting frame is connected with the vertical rod through the first screw.

As an optimal technical scheme of the dorsum 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 meshed connection with the first screw sleeve, and the second gear is connected with the second rack through meshing.

As a preferred technical scheme of the dorsum 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 an optimal technical scheme of the dorsum 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.

As a preferred technical scheme of the dorsum muscle trainer for physical training, the push block is connected with the shell through clamping, and the shell is fixedly connected with the base plate.

As a preferred technical scheme of the dorsum muscle trainer for physical training, the second threaded sleeve is connected with the bolt through threads.

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

1. the substrate is driven to rise through the rotation of the first screw and the second screw, and the substrate reaches a proper position. And when the second screw is pulled, the second screw drives the bolt to a proper position, and the second screw is used for fixing the bolt, so that the use of the second screw is not influenced while the second screw is convenient to move.

2. The square plate bears the impact of the balancing weight to push the pushing block to extrude the spring inside the shell, so that the impact is relieved, and the noise is reduced.

3. Through pulling the support frame downwardly moving, make the support frame drive the round bar No. two and descend together, rotate screw No. one and fix it when reaching certain position to reach the effect of being convenient for deposit.

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

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

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

FIG. 2 is a schematic diagram of a lifting device according to the present invention;

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

FIG. 4 is a schematic view of a structure of a universal wheel according to the present invention;

FIG. 5 is a schematic view of a connecting 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 bottom plate; 3. a fixed block; 4. a long rod; 5. a universal wheel; 6. a vertical rod; 7. a support frame; 8. a round bar I; 9. a second round bar; 10. a threaded hole; 11. a pull rope; 12. a first screw; 13. a handle; 14. a lifting groove; 15. a first screw; 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 screw sleeve; 23. a second gear; 24. a housing; 25. a spring; 26. a pushing block; 27. a first connecting block; 28. a second connecting block; 29. a second screw; 30. a bolt; 31. and a second screw sleeve.

Description of the embodiments

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a dorsum muscle training device for physical training, which comprises a substrate 1, the lower extreme of base plate 1 is equipped with bottom plate 2, the both sides of base plate 1 all are equipped with the fixed block 3 that is used for connecting, the inside of fixed block 3 all is equipped with stock 4, the one end of stock 4 all is equipped with universal wheel 5, the upper end one side of base plate 1 is equipped with two montants 6, a plurality of screw holes 10 have all been seted up to one side of montant 6, one side of montant 6 all is equipped with two screws 12 that are used for connecting, the upper end of base plate 1 is equipped with the support frame 7 that is used for supporting, one side of support frame 7 is equipped with two handles 13, the support frame 7 lower extreme is equipped with round bar 9 No. two, the lower extreme of round bar 9 No. one is equipped with round bar 8, the lower extreme both sides of support frame 7 all are equipped with stay cord 11, the lower extreme of stay cord 11 is equipped with No. two connecting blocks 28, two lift grooves 14 have all been seted up to the inside both sides of lower extreme of base plate 1, the lower end of the inside of the lifting groove 14 is provided with a first screw sleeve 22, one side of the lower end of the inside of the bottom plate 2 is provided with a motor 18, the upper end of the motor 18 is provided with a first rack 17, the inside of the first rack 17 is provided with three first gears 19, the lower ends of the two first gears 19 are provided with clamping blocks 20, the upper ends of the two first gears 19 are provided with second screw rods 16, the lower end of the outside of the second screw rods 16 is provided with second racks 21, the inside of the second racks 21 is provided with two second gears 23, the upper end of one second gear 23 is provided with a first screw rod 15, the lower end of the second connecting block 28 is provided with a first connecting block 27, the inside of one side of the upper end of the bottom plate 1 is provided with four shells 24, the inside of the corresponding shells 24 is provided with springs 25, the upper ends of the springs 25 are provided with push blocks 26, the inside of the fixed blocks 3 is provided with bolts 30, the two ends of the outside of the bolts 30 are provided with second screw sleeves 31, the upper ends of the second connecting blocks 28 are provided with two second screws 29.

Specifically, the fixing block 3 is fixedly connected with the substrate 1, the first screw 12 is connected with the vertical rod 6 through threads, the first screw 12 is connected with the support frame 7 through threads, the support frame 7 is connected with the vertical rod 6 through the first screw 12, and in the embodiment, the support frame 7 is a U-shaped member.

Specifically, the first round rod 8 is connected with the second round rod 9 through sleeving, the first screw 15 is connected with the base plate 1 through clamping, the first screw 15 is in meshed connection with the first screw sleeve 22, the second gear 23 is connected with the second rack 21 through meshing, and in the embodiment, the second rack 21 is a closed annular member.

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

Specifically, the second connection block 28 is fixedly connected with the pull rope 11, the first connection block 27 is connected with the second connection block 28 through threads, the pull rope 11 is connected with the first connection block 27 through the second connection block 28, and the first connection block 27 is a U-shaped member in the embodiment.

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

Specifically, the second sleeve 31 is connected to the bolt 30 by a screw thread.

The working principle and the using flow 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 two other first gears 19 at two sides inside the motor 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 motor to rotate, enabling the second screw 16 to drive a second gear 23 at the lower end outside the motor to rotate, enabling the second gear 23 to drive the second rack 21 to rotate, the second rack 21 drives the other second gear 23 to rotate, the second gear 23 drives the first screw rod 15 to rotate, the second screw rod 16 and the first screw rod 15 drive the first screw sleeve 22 in the lifting groove 14 to drive the base plate 1 to ascend together, after the base plate 1 reaches a certain position, the long rod 4 in the fixed block 3 is rotated to drive the universal wheel 5 to reach a proper position, the second screw sleeve 31 at the two ends of the outer side of the bolt 30 is twisted, the second screw rod 29 is used for fixing the second screw sleeve, and when the configuration block falls down, the square plate is pushed, the push block 26 is pushed, and the spring 25 in the shell 24 is extruded; pulling the support frame 7, enabling the support frame 7 to drive the handle 13 and the second round rod 9 to descend, enabling the support frame 7 to reach the bottom end of the vertical rod 6, enabling the second round rod 9 to fall into the inner bottom end of the first round rod 8, screwing the first screw 12 into the threaded hole 10 to fix the first round rod, and enabling the first round rod 9 to be broken when the pull rope 11 is broken. The screw No. two 29 is rotated, so that the screw No. two 29 is separated from the inside of the connection block No. one 27, and the connection block No. two 28 is rotated, so that the connection block No. two 28 is separated from the connection block No. one 27.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dorsum muscle trainer for physical training, characterized in that: including base plate (1), the lower extreme of base plate (1) is equipped with bottom plate (2), the both sides of base plate (1) all are equipped with fixed block (3) that are used for connecting, the inside of fixed block (3) all is equipped with stock (4), the one end of stock (4) all is equipped with universal wheel (5), the upper end one side of base plate (1) is equipped with two montants (6), a plurality of screw hole (10) have all been seted up to one side of montant (6), one side of montant (6) all is equipped with two screw (12) that are used for connecting, the upper end of base plate (1) is equipped with support frame (7) that are used for supporting, one side of support frame (7) is equipped with two handles (13), the lower extreme of support frame (7) is equipped with No. two round bars (9), the lower extreme of No. round bar (9) is equipped with No. one round bar (8), the lower extreme both sides of support frame (7) all are equipped with stay cord (11), the lower extreme of stay cord (11) is equipped with No. two screw (28), the lower extreme (1) of base plate (1) is equipped with two inside screw grooves (18) respectively, no. 2) are equipped with inside one side of a connecting block (18), the inside of rack (17) is equipped with three No. one gear (19), two the lower extreme of gear (19) all is equipped with fixture block (20), two the upper end of 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 rack (21) No. two, the inside of rack (21) No. two all is equipped with two No. two gears (23), one the upper end of gear (23) No. two all is equipped with screw rod (15), the lower extreme of connecting block (28) No. two all is equipped with connecting block (27), the inside four shell (24) that are equipped with in base plate (1) upper end one side, the inside of 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 No. two swivel joints (31), the upper end of connecting block (28) all is equipped with two screw (29). The first round rod (8) is connected with the second round rod (9) through sleeving, the first screw (15) is connected with the base plate (1) through clamping, the first screw (15) is in meshed connection with the first screw sleeve (22), and the second gear (23) is connected with the second rack (21) through meshing; the clamping block (20) is connected with the bottom plate (2) through the clamping block, the clamping block (20) is fixedly connected with the first gear (19), the first gear (19) is connected with the bottom plate (2) through the clamping block (20), and the second screw (16) is fixedly connected with the first gear (19).

2. A dorsal muscle trainer for physical training according to claim 1, wherein: the fixing block (3) is fixedly connected with the base plate (1), the first screw (12) is connected with the vertical rod (6) through threads, the first screw (12) is connected with the support frame (7) through threads, and the support frame (7) is connected with the vertical rod (6) through the first screw (12).

3. A dorsal muscle trainer for physical training according to claim 1, wherein: the second connecting block (28) is fixedly connected with the pull rope (11), the first connecting block (27) is connected with the second connecting block (28) through threads, and the pull rope (11) is connected with the first connecting block (27) through the second connecting block (28).

4. A dorsal muscle trainer for physical training according to claim 1, wherein: the pushing block (26) is connected with the shell (24) through clamping, and the shell (24) is fixedly connected with the substrate (1).

5. A dorsal muscle trainer for physical training according to claim 1, wherein: the second threaded sleeve (31) is connected with the bolt (30) through threads.