CN115228040B - Dorsum muscle trainer for physical training - Google Patents

Abstract

The invention belongs to the technical field of physical exercise equipment, in particular to a back muscle trainer for physical training, which includes a base plate, a base plate is provided at the lower end of the base plate, and fixing blocks for connection are provided on both sides of the base plate. The inside of the fixed block is provided with a long rod, and one end of the long rod is provided with a universal wheel, and the upper side of the base plate is provided with two vertical rods, and one side of the vertical rods is provided with several threads. Two No. 1 screws for connection are provided on one side of the vertical bar. Through the rotation of the No. 1 screw and the No. 2 screw, the base plate is driven up to reach a proper position. Pull the No. 2 screw to make the No. 2 screw drive the bolt to the proper position, and fix it with the No. 2 screw so that it is easy to move without affecting its use. The square plate bears the impact of the counterweight to push the push block to squeeze Press the spring inside the housing to achieve the effect of reducing impact and reducing noise.

Description

Back muscle trainer for physical training

technical field

The invention belongs to the technical field of physical training equipment, and in particular relates to a back muscle trainer for physical training.

Background technique

Physical training is a kind of exercise that strengthens the body and mind. The most common is a back muscle training device. Back muscle training is very important when we are exercising. We can choose a lot of exercises when we are exercising. Back muscles, but when each movement is used, the function of the muscles is used differently.

The back muscle trainer used for physical training has the following disadvantages in use:

1. The original back muscle training device for physical training cannot be moved according to the user's needs because it is too large.

2. In the original back muscle trainer for physical training, when the counterweight falls, the impact on the base plate will generate noise, thereby affecting other residents.

3. The back muscle training device used for physical training in the past caused a large volume and was inconvenient to store when not in use.

4. In the back muscle trainer used for physical training, the stay rope and the counterweight were integrated. When the stay rope breaks, the counterweight needs to be replaced together, which increases its replacement cost.

Contents of the invention

In order to solve the above-mentioned problems in the prior art, the present invention provides a back muscle trainer for physical training, which has the characteristics of being easy to move, reducing shock and noise, reducing its volume, and being easy to replace the pull cord.

In order to achieve the above object, the present invention provides the following technical solutions: a back muscle trainer for physical training, comprising a base plate, the lower end of the base plate is provided with a bottom plate, and both sides of the base plate are provided with fixing blocks for connection, so The inside of the fixed block is provided with a long rod, one end of the long rod is provided with a universal wheel, and the upper side of the base plate is provided with two vertical rods, and one side of the vertical rod is provided with several threaded holes, one side of the vertical bar is provided with two No. The lower end of the support frame is provided with a No. 2 round rod, and the lower end of the No. 2 round rod is provided with a No. 1 round rod. Both sides of the lower end of the support frame are provided with a stay rope, and the lower end of the stay cord is provided with a No. 2 connecting rod. Two lifting grooves are provided on both sides of the lower end of the base plate, and the inner lower end of the lifting groove is provided with a No. There is a No. 1 rack, and three No. 1 gears are arranged inside the No. 1 rack. The lower ends of the two No. 1 gears are provided with blocks, and the upper ends of the two No. 1 gears are provided with No. 2 screws. , the outer lower end of the No. 2 screw is provided with a No. 2 rack, the inside of the No. 2 rack is provided with two No. 2 gears, and the upper end of one of the No. 2 gears is provided with a No. 1 screw. The lower end of the No. 2 connecting block is provided with the No. 1 connecting block, and the upper end of the base plate is provided with four shells inside, and the inside of the shells are provided with springs. The upper end of the spring is provided with a push block, and the fixed block Bolts are provided inside, No. 2 screw sleeves are provided at both ends of the outer sides of the bolts, and two No. 2 screws are provided at the upper end of the No. 2 connecting block.

As a preferred technical solution of the back muscle trainer for physical training of the present invention, the fixed block is fixedly connected to the base plate, the No. 1 screw is connected to the vertical bar through threads, and the No. 1 screw is connected to the support frame through threads. Connected, the support frame is connected with the vertical bar through the No. 1 screw.

As a preferred technical solution of the back muscle trainer for physical training in the present invention, the No. 1 round rod is connected with the No. 2 round rod through fitting, the No. 1 screw rod is connected with the base plate through engagement, and the No. 1 round rod is connected with the base plate through engagement. The No. 1 screw rod is meshed with the No. 1 screw sleeve, and the No. 2 gear is meshed with the No. 2 rack.

As a preferred technical solution of the back muscle trainer for physical training of the present invention, the block is connected to the bottom plate through the block, the block is fixedly connected to the No. 1 gear, and the No. 1 gear is connected to the No. 1 gear through the block. The bottom plate is connected, and the No. 2 screw rod is fixedly connected with the No. 1 gear.

As a preferred technical solution of the back muscle trainer for physical training of the present invention, the No. 2 connecting block is fixedly connected with the stay cord, the No. 1 connecting block is connected with the No. 2 connecting block through threads, and the stay cord Connect with No. 1 connection block through No. 2 connection block.

As a preferred technical solution of the back muscle trainer for physical training of the present invention, the push block is connected to the shell through snap-fitting, and the shell is fixedly connected to the base plate.

As a preferred technical solution of the back muscle trainer for physical training of the present invention, the No. 2 screw sleeve is connected with the bolt through threads.

Compared with prior art, the beneficial effect of the present invention is:

1. Through the rotation of the No. 1 screw and the No. 2 screw, the substrate is driven up to reach the proper position. Pull the No. 2 screw so that the No. 2 screw drives the bolt to the proper position, and then fix it with the No. 2 screw, so that it will not affect its use while being easy to move.

2. Through the square plate to withstand the impact of the counterweight, push the push block to squeeze the spring inside the shell, so as to reduce the impact and reduce the noise.

3. Pull the support frame to move down, so that the support frame drives the No. 2 round rod to drop together. When it reaches a certain position, turn the No. 1 screw to fix it, so as to achieve the effect of easy storage.

4. Connect the No. 2 connecting block with the No. 1 connecting block by rotating the No. 2 connecting block, and fix it with the No. 2 screw, so as to achieve the effect of easy replacement of the pull rope.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the structural representation of lifting device among the present invention;

Fig. 3 is a partial cross-sectional structural schematic diagram of a support frame and a substrate in the present invention;

Fig. 4 is the structural representation of universal wheel among the present invention;

Fig. 5 is the structural representation of connection structure among the present invention;

Fig. 6 is a schematic diagram of a partially enlarged structure at A in the present invention;

In the figure: 1. Base plate; 2. Bottom plate; 3. Fixed block; 4. Long rod; 5. Universal wheel; 6. Vertical rod; 7. Support frame; 8. No. 1 round rod; ;10, threaded hole; 11, pull rope; 12, No. 1 screw; 13, handle; 14, lifting slot; 15, No. 1 screw; 16, No. 2 screw; 17, No. 1 rack; , No. 1 gear; 20. Block; 21. No. 2 rack; 22. Screw sleeve; 23. No. 2 gear; 24. Shell; 25. Spring; 26. Push block; 27. No. 1 connection block; 28. No. 2 connection block; 29, No. 2 screw; 30, bolt; 31, No. 2 screw sleeve.

Implementation

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example

Please refer to Fig. 1-6, the present invention provides following technical scheme: a kind of back muscle trainer for physical training, comprises base plate 1, the lower end of base plate 1 is provided with base plate 2, and the both sides of base plate 1 are all provided with the fixed block that is used for connecting 3. The inside of the fixed block 3 is equipped with a long rod 4, and one end of the long rod 4 is provided with a universal wheel 5, and the upper side of the base plate 1 is provided with two vertical rods 6, and one side of the vertical rod 6 is provided with a Several threaded holes 10, one side of the vertical rod 6 are provided with two No. 1 screws 12 for connection, the upper end of the base plate 1 is provided with a support frame 7 for support, and one side of the support frame 7 is provided with two handles 13. The lower end of the support frame 7 is provided with the No. 2 round rod 9, the lower end of the No. No. connection block 28, two lifting slots 14 are provided on both sides of the lower end of the base plate 1, the inner lower end of the lifting slot 14 is provided with a No. 1 screw sleeve 22, and the inner lower end side of the base plate 2 is provided with a motor 18, and The upper end is provided with No. 1 rack 17, and the inside of No. 1 rack 17 is provided with three No. 1 gears 19. The lower ends of the two No. 1 gears 19 are provided with clamping blocks 20, and the upper ends of the two No. 1 gears 19 are provided with two gears. No. screw 16, the outer lower end of No. 2 screw 16 is provided with No. 2 rack 21, the inside of No. 2 rack 21 is provided with two No. 2 gears 23, and the upper end of No. 2 gear 23 is provided with No. 1 screw 15. The lower end of No. 2 connecting block 28 is provided with No. 1 connecting block 27, and the upper end side of the substrate 1 is provided with four shells 24 inside, and the inside of the shell 24 is provided with a spring 25, and the upper end of the spring 25 is provided with a push block 26. The interior of the fixing block 3 is provided with bolts 30 , the outer two ends of the bolts 30 are provided with No. 2 screw sleeves 31 , and the upper end of the No. 2 connecting block 28 is provided with two No. 2 screws 29 .

Specifically, the fixed block 3 is fixedly connected with the base plate 1, the No. 1 screw 12 is connected with the vertical bar 6 through threads, the No. 1 screw 12 is connected with the support frame 7 through threads, and the support frame 7 is connected with the vertical bar through the No. 1 screw 12. 6 are connected, and in the present embodiment, the support frame 7 is a U-shaped member.

Specifically, the No. 1 round rod 8 is connected with the No. 2 round rod 9 through fitting, the No. 1 screw rod 15 is connected with the base plate 1 through engagement, the No. 1 screw rod 15 is engaged with the No. 1 screw sleeve 22, and the No. 2 gear 23 is connected with the second rack 21 through meshing, and the second rack 21 is a closed ring member in the embodiment.

Specifically, the clamping block 20 is connected to the bottom plate 2 through a clamping block, the clamping block 20 is fixedly connected to the No. 1 gear 19, the No. 1 gear 19 is connected to the base plate 2 through the clamping block 20, and the No. 2 screw rod 16 is connected to the No. 1 gear 19. For fixed connection, the block 20 in this embodiment is a T-shaped cylindrical member.

Specifically, the No. 2 connecting block 28 is fixedly connected with the stay cord 11, the No. 1 connecting block 27 is connected with the No. 2 connecting block 28 by threads, and the stay cord 11 is connected with the No. 1 connecting block 27 through the No. 2 connecting block 28. In this embodiment, the No. 1 connection block 27 is a U-shaped member.

Specifically, the push block 26 is connected to the housing 24 by snap-fitting, and the housing 24 is fixedly connected to the base plate 1 .

Specifically, the second screw sleeve 31 is connected with the bolt 30 through threads.

Working principle and application process of the present invention: start the motor 18 at the lower end of the bottom plate 2, make the motor 18 drive a No. 1 gear 19 to rotate, make a No. 1 gear 19 drive the No. 1 rack 17 to rotate, and make the No. 1 rack 17 Drive the other two No. 1 gears 19 on both sides of the interior to rotate, so that the other two No. 1 gears 19 drive the block 20 to rotate, so that the No. 1 gear 19 drives the No. 2 screw 16 at its upper end to rotate, so that the No. 2 screw 16 drives the No. 2 gear 23 at its outer lower end to rotate, so that the No. 2 gear 23 drives the No. 2 rack 21 to rotate, so that the No. 2 rack 21 drives the other No. 2 gear 23 to rotate, and the No. 2 gear 23 drives the No. 1 screw rod 15 rotates, so that the No. 2 screw 16 and the No. 1 screw 15 drive the No. 1 screw sleeve 22 inside the lifting groove 14 to drive the substrate 1 to rise together. After reaching a certain position, turn the long rod 4 inside the fixed block 3 to drive the universal wheel 5 When the proper position is reached, twist the No. 2 screw sleeve 31 at both ends of the outer sides of the bolt 30, and fix it with the No. 2 screw 29. When the configuration block falls, push the square plate to make it push the push block 26, so that it is squeezed into the shell The spring 25 inside 24; pull support frame 7, make support frame 7 drive handle 13 and No. 2 round bar 9 to descend, make support frame 7 reach vertical bar 6 bottoms, No. 2 round bar 9 falls into the position of No. 1 round bar 8 At the inner bottom end, the No. 1 screw 12 is screwed into the inside of the threaded hole 10 to fix it, when the stay cord 11 breaks. Rotate the No. 2 screw 29 to make the No. 2 screw 29 break away from the inside of the No. 1 connecting block 27, and rotate the No. 2 connecting block 28 so that the No. 2 connecting block 28 and the No. 1 connecting block 27 are disengaged.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (5)

1. A back muscle trainer for physical training, characterized in that: it comprises a base plate (1), the lower end of the base plate (1) is provided with a base plate (2), and both sides of the base plate (1) are provided with connected fixed block (3), the inside of the fixed block (3) is provided with a long rod (4), one end of the long rod (4) is provided with a universal wheel (5), and the base plate (1 ) is provided with two vertical rods (6) on one side of the upper end, each side of the vertical rod (6) is provided with several threaded holes (10), and one side of the vertical rod (6) is provided with two No. 1 screw (12) for connection, the upper end of the base plate (1) is provided with a support frame (7) for support, and one side of the support frame (7) is provided with two handles (13), The lower end of the support frame (7) is provided with a No. 2 round rod (9), and the lower end of the No. 2 round rod (9) is provided with a No. 1 round rod (8). Both sides of the lower end of the support frame (7) are There is a stay cord (11), the lower end of the stay cord (11) is provided with a No. 2 connection block (28), and two lifting slots (14) are opened on both sides of the lower end of the base plate (1). The inner lower end of the lifting groove (14) is provided with a No. 1 screw sleeve (22), the inner lower end side of the bottom plate (2) is provided with a motor (18), and the upper end of the motor (18) is provided with a No. 1 rack (17), the inside of the No. 1 rack (17) is provided with three No. 1 gears (19), and the lower ends of the two No. 1 gears (19) are provided with blocks (20). The upper end of the No. 1 gear (19) is provided with a No. 2 screw (16), and the outer lower end of the No. 2 screw (16) is provided with a No. 2 rack (21). The No. 2 rack (21) There are two No. 2 gears (23) inside, a No. 1 screw (15) is provided at the upper end of each No. 2 gear (23), and a No. 1 connecting block is provided at the lower end of the No. 2 connecting block (28). (27), there are four housings (24) inside the upper end of the base plate (1), and springs (25) are provided inside the housings (24), and a push block is provided at the upper end of the springs (25) (26), the inside of the fixed block (3) is provided with bolts (30), the outer ends of the bolts (30) are provided with No. 2 screw sleeves (31), and the No. 2 connecting block (28 ) are provided with two No. 2 screws (29); the No. 1 round rod (8) is connected with the No. 2 round rod (9) through fitting, and the No. 1 screw rod (15) is engaged with The base plate (1) is connected, the No. 1 screw rod (15) is meshed with the No. 1 screw sleeve (22), and the No. 2 gear (23) is connected with the No. 2 rack (21) through meshing; the The clamping block (20) is connected with the base plate (2) through clamping, the clamping block (20) is fixedly connected with the No. 1 gear (19), and the No. 1 gear (19) is connected with the base plate through the clamping block (20) (2) are connected, and the No. 2 screw rod (16) is fixedly connected with the No. 1 gear (19). 2. A back muscle trainer for sports training according to claim 1, characterized in that: the fixed block (3) is fixedly connected to the base plate (1), and the No. 1 screw (12) is threaded and The vertical rods (6) are connected, the No. 1 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 No. 1 screw (12). 3. A back muscle trainer for physical training according to claim 1, characterized in that: the No. 2 connecting block (28) is fixedly connected to the drawstring (11), and the No. 1 connecting block (27 ) is connected to the No. 2 connection block (28) through threads, and the stay rope (11) is connected to the No. 1 connection block (27) through the No. 2 connection block (28). 4. A back muscle trainer for physical training according to claim 1, characterized in that: the push block (26) is connected to the shell (24) by snap-fitting, and the shell (24) is connected to the base plate ( 1) It is a fixed connection. 5 . The back muscle trainer for physical training according to claim 1 , characterized in that: the No. 2 threaded sleeve ( 31 ) is connected to the bolt ( 30 ) through threads. 5 .

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