CN115154990B

CN115154990B - Body-building dumbbell exercises trainer

Info

Publication number: CN115154990B
Application number: CN202210810424.9A
Authority: CN
Inventors: 邓国凤; 王雯雯; 万源; 莫亚雯
Original assignee: Nanchang Institute of Technology
Current assignee: Nanchang Institute of Technology
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2023-06-02
Anticipated expiration: 2042-07-11
Also published as: CN115154990A

Abstract

The invention relates to a training device, in particular to a body-building dumbbell exercise training device. The utility model provides a can take in the winding to yoga mat to can prevent that the yoga mat from being abandoned at will and cause the exercise training device of body-building nature dumbbell exercises of damage. The utility model provides a body-building nature dumbbell exercises trainer, includes the mounting bracket, the mount, places piece and dumbbell etc. the mounting bracket upside is connected with the mount, and the symmetry is connected with around the mount left and right sides all and places the piece, has placed the dumbbell between two of left placing the piece, has also placed the dumbbell between two of right side placing the piece. According to the invention, the weighting liquid can be added into the dumbbell through the connecting pipe, so that the weight of the dumbbell can be increased according to the demands of people, and the yoga mat can be rolled and stored, so that the yoga mat is prevented from being discarded at will to cause damage.

Description

Body-building dumbbell exercises trainer

Technical Field

The invention relates to a training device, in particular to a body-building dumbbell exercise training device.

Background

The dumbbell is a simple equipment for strengthening muscle strength training, is used for muscle strength training, muscle compound action training, and the dumbbell can train single muscle, if increase weight, then need the coordination of a plurality of muscles, also can regard as a muscle compound action training, because dumbbell training is simple, so become a piece of equipment that numerous people's body building liked, during the dumbbell training, people generally need to use the yoga mat, current dumbbell trainer, mostly be difficult to realize taking up the yoga mat, thereby lead to the effect that the yoga mat was abandoned at will and is led to damage easily.

Therefore, the body-building dumbbell exercises training device capable of winding and storing the yoga mats and preventing the yoga mats from being discarded at will to cause damage is developed.

Disclosure of Invention

In order to overcome the defect that the device is difficult to realize the winding and storage of the yoga mat, so that the yoga mat is easy to discard at will to cause the effect of damage, the technical problem of the invention is as follows: the utility model provides a can take in the winding to yoga mat to can prevent that the yoga mat from being abandoned at will and cause the exercise training device of body-building nature dumbbell exercises of damage.

The utility model provides a body-building nature dumbbell exercises trainer, including the mounting bracket, the mount, place the piece, the dumbbell, aggravate mechanism and winding mechanism, the mounting bracket upside is connected with the mount, symmetrical connection has around the mount left and right sides all to place the piece, has placed the dumbbell between two places the piece on left side, has also placed the dumbbell between two places the piece on right side, is equipped with on the mount and can carry out the aggravate mechanism of adjusting to dumbbell weight, is equipped with the winding mechanism that is used for rolling yoga mat on the mounting bracket.

More preferably, the weighting mechanism comprises a liquid storage tank, a connecting pipe, a first valve, a baffle frame and a first spring, wherein the upper side of the fixing frame is connected with the liquid storage tank, the left side and the right side of the lower part of the liquid storage tank are respectively connected with the connecting pipe, the lower part of the connecting pipe is fixedly connected with the left side and the right side of the rear part of the fixing frame, the lower part of the connecting pipe is respectively connected with the first valve, the other end of the connecting pipe is clamped into the rear lower part of the dumbbell, the front lower part and the rear lower part of the dumbbell are respectively and slidably connected with the baffle frame, the baffle frame can plug the lower part of the dumbbell, the first spring is respectively connected between the upper side of the baffle frame and the lower part of the dumbbell, and the first spring is wound on the baffle frame.

More preferably, the winding mechanism comprises a mounting block, rotating blocks, rocking handles and first clamping rods, wherein the left side and the right side of the top wall of the front part of the mounting frame are respectively connected with the mounting block, the upper parts of the two mounting blocks are respectively connected with the rotating blocks in a rotating mode, two first clamping rods are connected between the two rotating blocks, and the rocking handles are connected to the left side of the left rotating block.

More preferably, still including the fixed establishment that can fix spacing to yoga mat, fixed establishment is including mounting, solid fixed ring, second kelly and second spring, and the mounting bracket front side is connected with the mounting, and upper portion rotation is connected with solid fixed ring behind the mounting, and gu fixed ring upside is opened there is the draw-in hole, and upper portion slidingtype is connected with the second kelly before the mounting, is connected with the second spring between second kelly and the mounting upper portion right side, and the second spring is around rolling up on the second kelly.

More preferably, still including can extrude the weight-reducing mechanism in the liquid storage pot of backward flow entering with the aggravating liquid in the dumbbell, weight-reducing mechanism is including lug, inflator, intake pipe, gas filling pipe, second valve and gas holder, the commentaries on classics piece right side on right side is connected with the lug, the anterior left and right sides of mount all is connected with the inflator, the inflator all has the telescopic link from having, the telescopic link of inflator all rotates and slidingtype with the lug and is connected, the inflator rear side all is connected with the intake pipe, intake pipe upper portion all is connected with the gas filling pipe, gas filling pipe upper portion all is connected with the second valve, lower part before the dumbbell is all blocked to gas filling pipe upside, two intake pipe rear portions pass the mounting bracket, be connected with the gas holder between two intake pipe rear sides.

More preferably, the dumbbell comprises a dumbbell body, wherein the dumbbell body is provided with a dumbbell rack, the dumbbell rack is provided with a dumbbell rack, and the dumbbell rack is provided with a dumbbell rack.

More preferably, the air inlet pipe pressure relief device further comprises a pressure relief mechanism capable of relieving pressure of the air inlet pipe, the pressure relief mechanism comprises a pressure relief shell, a blocking and a third spring, the lower portion of the rear of the air inlet pipe is connected with the pressure relief shell, the blocking is connected in the pressure relief shell in a sliding mode, the third spring is connected between the blocking and the front wall in the pressure relief shell, and the third spring is wound on the blocking.

More preferably, the anti-fool part further comprises a buffer block, and the buffer blocks are connected to the upper sides of the fool-proof parts.

The beneficial effects are as follows: 1. according to the invention, the weighting liquid can be added into the dumbbell through the connecting pipe, so that the weight of the dumbbell can be increased according to the demands of people, and the yoga mat can be rolled and stored, so that the yoga mat is prevented from being discarded at will to cause damage.

2. According to the yoga mat fixing device, the fixing piece and the fixing ring are matched with each other to fix and limit the yoga mat, so that the yoga mat can be scattered after being wound.

3. According to the invention, the gas can be injected into the dumbbell through the gas injection pipe, so that the weighting liquid in the dumbbell is discharged, and the effect of reducing the weight can be achieved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of a partial perspective structure of the present invention.

Fig. 3 is a schematic perspective view of the weighting mechanism of the present invention.

Fig. 4 is a schematic view of a partially cut-away perspective structure of a weighting mechanism according to the present invention.

Fig. 5 is a schematic perspective view of a winding mechanism according to the present invention.

Fig. 6 is a schematic perspective view of the fixing mechanism of the present invention.

Fig. 7 is an enlarged perspective view of the present invention at a.

Fig. 8 is a schematic view of a first perspective structure of the weight-reducing mechanism of the present invention.

Fig. 9 is a schematic view of a second perspective structure of the weight-reducing mechanism of the present invention.

Fig. 10 is a partially cutaway perspective view of the weight reduction mechanism of the present invention.

Fig. 11 is a schematic perspective view of the fool-proof mechanism of the present invention.

Fig. 12 is a schematic view of a part of a three-dimensional structure of the fool-proof mechanism of the present invention.

Fig. 13 is a schematic perspective view of a pressure release mechanism according to the present invention.

Fig. 14 is a schematic view of a partial cutaway perspective structure of a pressure relief mechanism of the present invention.

Wherein: 1-mounting rack, 2-fixing rack, 3-placing block, 4-dumbbell, 5-weighting mechanism, 51-liquid storage tank, 52-connecting pipe, 53-first valve, 54-baffle rack, 55-first spring, 6-rolling mechanism, 61-mounting block, 62-rotating block, 63-rocking handle, 64-first clamping rod, 7-fixing mechanism, 71-fixing piece, 72-fixing ring, 73-clamping hole, 74-second clamping rod, 75-second spring, 8-weight reducing mechanism, 81-bump, 82-inflator, 83-air inlet pipe, 84-air injection pipe, 85-second valve, 86-air storage tank, 9-fool-proof mechanism, 91-chute, 92-fool-proof piece, 93-buffer block, 10-pressure releasing mechanism, 101-pressure releasing shell, 102-blocking block and 103-third spring.

Detailed Description

The technical scheme of the invention is further described below with reference to the accompanying drawings.

Example 1

1-2, including mounting bracket 1, mount 2, place piece 3, dumbbell 4, aggravate mechanism 5 and winding mechanism 6, mounting bracket 1 upside is connected with mount 2, and symmetrical welding has all around mount 2 both sides has placed piece 3, has placed dumbbell 4 between two places pieces 3 on left side, has also placed dumbbell 4 between two places pieces 3 on right side, and dumbbell 4 can be used for people to carry out dumbbell 4 training, is equipped with on the mount 2 and can carry out the weight of adjusting to dumbbell 4 aggravate mechanism 5, is equipped with the winding mechanism 6 that is used for rolling yoga mat on the mounting bracket 1.

As shown in fig. 1, fig. 3 and fig. 4, the weighting mechanism 5 comprises a liquid storage tank 51, a connecting pipe 52, a first valve 53, a baffle frame 54 and a first spring 55, wherein the liquid storage tank 51 is welded on the upper side of the fixing frame 2, the liquid storage tank 51 can be used for storing weighting liquid, the connecting pipe 52 is connected to the left side and the right side of the lower portion of the liquid storage tank 51, the lower portion of the connecting pipe 52 is fixedly connected with the left side and the right side of the rear portion of the fixing frame 2, the first valve 53 is connected to the lower portion of the connecting pipe 52, the first valve 53 can control whether weighting liquid in the connecting pipe 52 flows, the other end of the connecting pipe 52 is clamped into the rear lower portion of the dumbbell 4, the baffle frame 54 is connected to the lower side of the front and rear portions of the dumbbell 4 in a sliding mode, the baffle frame 54 can be blocked on the lower portion of the dumbbell 4, the first spring 55 is connected between the upper side of the baffle frame 54 and the lower portion of the dumbbell 4, the first spring 55 is wound on the baffle frame 54, and the first spring 55 can enable the baffle frame 54 to move and reset.

As shown in fig. 1 and 5, the winding mechanism 6 includes a mounting block 61, a rotating block 62, a rocking handle 63 and a first clamping rod 64, the left side and the right side of the top wall of the front portion of the mounting frame 1 are both connected with the mounting block 61, the upper portions of the two mounting blocks 61 are both rotationally connected with the rotating block 62, two first clamping rods 64 are connected between the two rotating blocks 62, the two first clamping rods 64 can be used for winding yoga mats, the rocking handle 63 is connected to the left side of the left rotating block 62, and the rocking handle 63 is convenient for people to rotate the rotating block 62.

When people need to exercise the dumbbell 4 in the gymnasium, the exercise can be realized by the device, firstly, people need to lay yoga mats on the floor, then, according to the own needs, people open the first valve 53, so that the weighting liquid in the liquid storage tank 51 enters the dumbbell 4 through the connecting pipe 52, the rear baffle frame 54 is pushed upwards in the process that the weighting liquid enters the dumbbell 4, the rear first spring 55 is compressed at this time, the weighting liquid flows into the front part of the dumbbell 4 through the internal structure of the dumbbell 4, so that the gravity of the front part and the rear part of the dumbbell 4 are consistent, when the weight of the dumbbell 4 meets the needs of people, the people close the first valve 53, at this time, the weighting liquid stops flowing into the dumbbell 4, the rear baffle frame 54 moves downwards under the action of the rear first spring 55 to reset, the rear baffle frame 54 plugs the rear lower side of the dumbbell 4, prevent to add heavy liquid outflow, people can lift dumbbell 4 and train on the yoga mat then, after people train and accomplish, people reset dumbbell 4, make connecting pipe 52 block into dumbbell 4 rear portion again, then people place yoga mat one end between two first clamping bars 64, after placing, people rotate rocking handle 63, make left commentaries on classics piece 62 rotate, and then make first clamping bar 64 and right commentaries on classics piece 62 rotate, first clamping bar 64 rotates and can carry out the rolling to the yoga mat, after the yoga mat rolling is accomplished, people stop rotating rocking handle 63, repeatedly the above operation is after people train is accomplished, can carry out the rolling to the yoga mat and accomodate, and then can prevent that the yoga mat from abandoning at will and cause the damage, and people can adjust the weight of dumbbell 4 according to own demand, thereby make the effect of training can be better.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 6 and 7, the yoga mat fixing device further comprises a fixing mechanism 7 capable of fixing and limiting the yoga mat, the fixing mechanism 7 comprises a fixing piece 71, a fixing ring 72, a second clamping rod 74 and a second spring 75, the fixing piece 71 is welded on the front side of the mounting frame 1, the fixing ring 72 is rotatably connected with the rear upper portion of the fixing piece 71, the fixing ring 72 and the fixing piece 71 are matched with each other to fix and limit the yoga mat, a clamping hole 73 is formed in the upper side of the fixing ring 72, the front upper portion of the fixing piece 71 is slidably connected with the second clamping rod 74, the second clamping rod 74 can be inserted into the clamping hole 73, further the yoga mat can be fixed and limited, a second spring 75 is connected between the second clamping rod 74 and the right side of the upper portion of the fixing piece 71, the second spring 75 is wound on the second clamping rod 74, and the second spring 75 can enable the second clamping rod 74 to move and reset.

When people need to fix the wound yoga mat, firstly, after the yoga mat is wound, people rotate the fixing ring 72 towards the lower side, then people pull the second clamping rod 74 towards the right side, at this time, the second spring 75 is stretched, then when the clamping hole 73 is aligned with the second clamping rod 74, people release the second clamping rod 74, then the second clamping rod 74 moves leftwards under the action of the second spring 75 to reset, the second clamping rod 74 is clamped into the clamping hole 73, so that the yoga mat can be fixed and limited, and further, the yoga mat can be prevented from being scattered, when people need to use the yoga mat, firstly, people pull the second clamping rod 74 towards the right side, at this time, the second spring 75 is stretched, then people rotate the fixing ring 72 towards the rear side, when the clamping hole 73 is separated from the second clamping rod 74, the second clamping rod 74 moves leftwards under the action of the second spring 75 to reset, and then the yoga mat can be taken down and used repeatedly, so that the yoga mat can be prevented from scattering after the yoga mat is fixed.

As shown in fig. 1, fig. 8, fig. 9 and fig. 10, still including the weight-reducing mechanism 8 that can extrude the aggravated liquid in the dumbbell 4 back into the liquid storage pot 51, weight-reducing mechanism 8 is including lug 81, inflator 82, intake pipe 83, annotate trachea 84, second valve 85 and gas holder 86, the commentaries on classics piece 62 right side on right side is connected with lug 81, the anterior left and right sides of mount 2 all has inflator 82 through bolted connection, inflator 82 all has the telescopic link from having the telescopic link, the telescopic link of inflator 82 all rotates and sliding connection with lug 81, the lug 81 rotates and can make the gaseous extrusion release round trip operation in the air cylinder 82, inflator 82 rear side all is connected with intake pipe 83, intake pipe 83 upper portion all is connected with gas injection pipe 84, annotate trachea 84 upper portion all is connected with second valve 85, second valve 85 can control the business turn over of gaseous, the lower part in front of gas injection pipe 84 upside all block into 4, can be to the inside gas that provides of dumbbell 4, and then can discharge the aggravated liquid in the dumbbell 4, reach the effect of aggravating, two intake pipe 83 rear portions pass through 86, the air holder 86 is connected with the unnecessary gas storage tank 83 behind two air holders 83.

When people need to use lighter dumbbell 4, need carry out weight reduction to dumbbell 4, at first, first valve 53 and second valve 85 are opened to people, then when the commentaries on classics piece 62 on right side rotates, the commentaries on classics piece 62 on right side rotates and drives lug 81 and rotate, the telescopic link that the lug 81 rotated can extrude gas cylinder 82 moves backward, so can get into dumbbell 4 front portion with the gas in the gas cylinder 82 through intake tube 83 and gas injection tube 84, when gas is crowded into dumbbell 4 front portion, can make the baffle frame 54 of front side upwards move, this moment the first spring 55 of front side is compressed, and then can extrude the weight liquid that flows back to in the liquid storage tank 51 through connecting pipe 52, so can reach the effect of subtracting the weight to dumbbell 4, simultaneously unnecessary gas can get into in the gas holder 86 through intake tube 83, when dumbbell 4 subtracts the weight to people's required weight, the first valve 53 of gas stops entering into in this moment, then the baffle frame 54 of front side moves down under the first spring 55 effect of front side, can make the baffle frame 54 of front side upwards move, and can stop the operation of the front side is repeated, and can stop the weight liquid that the dumbbell 4 can be reduced down, and the effect of turning down can be reached and the upper and the weight of the upper and lower side can be stopped to the weight down.

As shown in fig. 1, 11 and 12, the dumbbell positioning device further comprises a fool-proof mechanism 9 capable of preventing the dumbbell 4 from being placed reversely, the fool-proof mechanism 9 comprises fool-proof pieces 92, the fool-proof pieces 92 are symmetrically welded on the front side and the rear side of the fixing frame 2, the dumbbell 4 can be positioned by the fool-proof pieces 92, sliding grooves 91 are formed in the front side and the rear side of the dumbbell 4, and the fool-proof pieces 92 are connected with the corresponding sliding grooves 91 in a sliding mode.

As shown in fig. 12, the dumbbell further comprises buffer blocks 93, wherein the buffer blocks 93 are connected to the upper sides of the fool-proof pieces 92, and the buffer blocks 93 can buffer the dumbbell 4.

In order to prevent dumbbell 4 when placing, the position is put conversely, this device has set up and has prevented slow-witted mechanism 9, after people use, people aim at the spout 91 of dumbbell 4 and prevent slow-witted piece 92, and downward side moves and resets, prevents slow-witted piece 92 can fix a position dumbbell 4, and buffer block 93 can cushion dumbbell 4 simultaneously, prevents that people's hand from sliding and makes dumbbell 4 whereabouts cause the damage, and spout 91 can play the guide effect to preventing slow-witted piece 92, and repeated above operation can be fixed a position dumbbell 4, and then can prevent dumbbell 4 to put the opposite direction.

As shown in fig. 1, 13 and 14, the pressure release mechanism 10 that can release pressure to the air inlet pipe 83 is further included, the pressure release mechanism 10 includes a pressure release housing 101, a block 102 and a third spring 103, the lower part is connected with the pressure release housing 101 behind the air inlet pipe 83, the block 102 is connected in the pressure release housing 101 in a sliding manner, the block 102 can control whether the pressure release housing 101 can release pressure, the third spring 103 is connected between the block 102 and the inner front wall of the pressure release housing 101, the third spring 103 is wound on the block 102, and the third spring 103 can enable the block 102 to move and reset.

When the gas in the gas storage tank 86 is too much, and when reaching the limit that needs the pressure release, the gas can promote the blocking piece 102 to move forward, and at this moment, the third spring 103 is compressed, and the blocking piece 102 moves forward to make the pressure release casing 101 opened, and then can carry out the pressure release, and after the pressure release is accomplished, the blocking piece 102 moves to the rear side under the action of the third spring 103 and resets, and the blocking piece 102 can block up the pressure release casing 101, and repeated above operation can carry out the pressure release to the gas pipe and the gas storage tank 86, thereby can prevent that the pressure in the gas storage tank 86 from being too big from causing the fracture.

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.

Claims

1. The utility model provides a body-building nature dumbbell exercises trainer, including mounting bracket (1), mount (2), place piece (3) and dumbbell (4), mounting bracket (1) upside is connected with mount (2), symmetrical connection has all around mount (2) both sides has place piece (3), dumbbell (4) have been placed between two places piece (3) of left side, dumbbell (4) have also been placed between two places piece (3) of right side, a serial communication port, still including aggravate mechanism (5) and winding mechanism (6), be equipped with on mount (2) and carry out weight-adjustable aggravate mechanism (5) to dumbbell (4), be equipped with on mounting bracket (1) and be used for rolling yoga mat winding mechanism (6);

the weighting mechanism (5) comprises a liquid storage tank (51), a connecting pipe (52), a first valve (53), a baffle frame (54) and a first spring (55), wherein the upper side of a fixed frame (2) is connected with the liquid storage tank (51), the left side and the right side of the lower part of the liquid storage tank (51) are respectively connected with the connecting pipe (52), the lower part of the connecting pipe (52) is fixedly connected with the left side and the right side of the rear part of the fixed frame (2), the lower part of the connecting pipe (52) is respectively connected with the first valve (53), the other end of the connecting pipe (52) is clamped into the rear lower part of a dumbbell (4), the lower sides of the front part and the rear part of the dumbbell (4) are respectively connected with the baffle frame (54) in a sliding manner, the baffle frame (54) can block the lower part of the dumbbell (4), the first spring (55) is respectively connected between the upper side of the baffle frame (54) and the lower part of the dumbbell (4), and the first spring (55) are respectively wound on the baffle frame (54);

the winding mechanism (6) comprises mounting blocks (61), rotating blocks (62), rocking handles (63) and first clamping rods (64), wherein the left side and the right side of the top wall of the front part of the mounting frame (1) are respectively connected with the mounting blocks (61), the upper parts of the two mounting blocks (61) are respectively and rotatably connected with the rotating blocks (62), two first clamping rods (64) are connected between the two rotating blocks (62), and the left side of the rotating block (62) on the left side is connected with the rocking handles (63);

the yoga mat fixing device comprises a yoga mat, and is characterized by further comprising a fixing mechanism (7) capable of fixing and limiting the yoga mat, wherein the fixing mechanism (7) comprises a fixing piece (71), a fixing ring (72), a second clamping rod (74) and a second spring (75), the front side of the mounting frame (1) is connected with the fixing piece (71), the rear upper part of the fixing piece (71) is rotatably connected with the fixing ring (72), a clamping hole (73) is formed in the upper side of the fixing ring (72), the front upper part of the fixing piece (71) is slidably connected with the second clamping rod (74), the second spring (75) is connected between the second clamping rod (74) and the right side of the upper part of the fixing piece (71), and the second spring (75) is wound on the second clamping rod (74);

the weight reducing mechanism (8) in the liquid storage tank (51) can be extruded and refluxed with the weighting liquid in the dumbbell (4), the weight reducing mechanism (8) comprises a protruding block (81), an air cylinder (82), an air inlet pipe (83), an air injection pipe (84), a second valve (85) and an air storage tank (86), the protruding block (81) is connected to the right side of a rotating block (62) on the right side, the air cylinders (82) are connected to the left side and the right side of the front portion of the fixing frame (2), the air cylinders (82) are all provided with telescopic rods, the telescopic rods of the air cylinders (82) are all connected with the protruding block (81) in a rotating and sliding mode, the air inlet pipes (83) are all connected to the rear sides of the air cylinders (82), the upper portions of the air inlet pipes (83) are all connected with the air injection pipes (84), the upper sides of the air injection pipes (84) are all clamped into the front lower portions of the dumbbell (4), the rear portions of the two air inlet pipes (83) penetrate through the mounting frame (1), and the air storage tank (86) are connected between the rear sides of the two air inlet pipes (83).

2. The exercise training device for exercise of the dumbbell exercise of claim 1, further comprising a fool-proof mechanism (9) capable of preventing the dumbbell (4) from being placed reversely, wherein the fool-proof mechanism (9) comprises fool-proof pieces (92), the fool-proof pieces (92) are symmetrically connected to the front side and the rear side of the fixing frame (2), and the sliding grooves (91) are formed in the front side and the rear side of the dumbbell (4).

3. The body-building dumbbell exercise training device according to claim 2, further comprising a pressure release mechanism (10) capable of releasing pressure on the air inlet pipe (83), wherein the pressure release mechanism (10) comprises a pressure release shell (101), a blocking block (102) and a third spring (103), the pressure release shell (101) is connected to the rear lower portion of the air inlet pipe (83), the blocking block (102) is connected to the pressure release shell (101) in a sliding manner, the third spring (103) is connected between the blocking block (102) and the inner front wall of the pressure release shell (101), and the third spring (103) is wound on the blocking block (102).

4. The device for training the physical fitness of the dumbbell exercise according to claim 3, further comprising buffer blocks (93), wherein the buffer blocks (93) are connected to the upper sides of the fool-proof pieces (92).