CN214714044U

CN214714044U - Weight-variable dumbbell

Info

Publication number: CN214714044U
Application number: CN202023144411.8U
Authority: CN
Inventors: 陈曹顺
Original assignee: Nantong Tianlong Sporting Goods Co ltd
Current assignee: Nantong Tianlong Sporting Goods Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-11-16
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a variable heavy dumbbell, including two sets of threaded rods and backup pad, the surface of threaded rod is provided with the balancing weight, the second spout has been seted up to the cylinder surface of balancing weight, a plurality of groups of standing groove have been seted up to the inside of second spout, the inside of standing groove is provided with the lead block, the inside sliding connection of second spout has two sets of second sliders, and is two sets of the one end fixedly connected with splint of second slider, the equal fixedly connected with mounting panel in both ends of two sets of splint, every group the through-hole has all been seted up on the mounting panel, and the homonymy is two sets of the inside of through-hole all through connection has fixing bolt. The utility model discloses in, through the standing groove that sets up, can be convenient for people to add the lead, through two sets of splint, under fixing bolt and fixation nut's effect, can restrict the lead that adds, can increase the weight of dumbbell through the mode that adds the lead.

Description

Weight-variable dumbbell

Technical Field

The utility model relates to a body-building apparatus field especially relates to variable heavy dumbbell.

Background

Dumbbells are a simple device used for strengthening muscle strength training. The main material of the training device is cast iron, and some materials are coated with a layer of rubber, so that the training device is used for muscle strength training and muscle compound action training. The dumbbell can be held by hands for patients with low muscle strength caused by paralysis, pain, long-term inactivity and the like, and the weight of the dumbbell can be used for performing resistance active exercise and training the muscle strength.

When the existing dumbbell is used, once the existing dumbbell is molded, the weight of the existing dumbbell is difficult to change, the weight of the existing dumbbell is increased generally only by adding a balancing weight, but the weight change span of the weight increase is too large, and the weight increase cannot be smaller.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a weight-variable dumbbell.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the weight-variable dumbbell comprises two groups of threaded rods and a supporting plate, wherein a balancing weight is arranged on the outer surface of each threaded rod, a second sliding groove is formed in the cylindrical outer surface of each balancing weight, a plurality of groups of placing grooves are formed in the second sliding grooves, lead blocks are arranged in the placing grooves, two groups of second sliding blocks are connected in the second sliding grooves in a sliding mode, one ends of the two groups of second sliding blocks are fixedly connected with clamping plates, two ends of each group of clamping plates are fixedly connected with mounting plates, each group of mounting plates is provided with a through hole, fixing bolts are connected in the two groups of through holes on the same side in a penetrating mode, and fixing nuts are connected to the outer surface of each fixing bolt in a threaded mode;

two sets of first spouts have been seted up to the upper end of backup pad, and is two sets of equal sliding connection in the inside of first spout has first slider, and is two sets of the equal fixedly connected with in upper end of first slider places the board, and is two sets of place and all set up flutedly on the board.

As a further description of the above technical solution:

one end of each of the two groups of threaded rods is fixedly connected with a stop block, and a handle is fixedly connected between the two groups of stop blocks.

As a further description of the above technical solution:

the outer surface of the cylinder of the handle is provided with a plurality of groups of salient points.

As a further description of the above technical solution:

and the outer surfaces of the two groups of threaded rods are in threaded connection with fastening nuts, and the two groups of fastening nuts are positioned on two sides of the two groups of balancing weights.

As a further description of the above technical solution:

six groups of extension plates are fixedly connected to the outer surface of the fastening nut, and the six groups of extension plates are distributed on the outer cylindrical surface of the fastening nut at equal intervals.

As a further description of the above technical solution:

two sets of place the board and be located the both sides of two sets of balancing weights.

As a further description of the above technical solution:

the splint semicircular in shape sets up, the second slider arc sets up.

As a further description of the above technical solution:

the fixing nut is positioned on the front surface of the mounting plate.

The utility model discloses following beneficial effect has:

1. the utility model discloses a standing groove that sets up can be convenient for people and add the lead, through two sets of splint, under fixing bolt and fixation nut's effect, can restrict the lead that adds, can increase the weight of dumbbell through the mode that adds the lead.

2. The utility model discloses a recess that sets up, place board and backup pad, the placing of dumbbell of can being convenient for, when people add the balancing weight, the length that both ends were left over diminishes, through the sliding connection between first slider and the first spout, can adjust two sets of distances of placing between the board to the placing of dumbbell of being convenient for.

3. The utility model discloses a set up the bump on the handle, can increase the frictional force of handle and staff, can play skid-proof effect.

4. The utility model discloses an extension board that sets up can be convenient for the rotatory fastening nut of people to be convenient for people's installation and dismantlement balancing weight.

Drawings

Fig. 1 is a front sectional view of a variable weight dumbbell according to the present invention;

fig. 2 is a side view of the variable weight dumbbell of the present invention;

fig. 3 is a schematic perspective view of a weight-variable dumbbell weight block according to the present invention;

fig. 4 is a schematic perspective view of the variable dumbbell clamping plate, the second slider and the mounting plate according to the present invention;

fig. 5 is a top view of the variable weight dumbbell supporting plate, the first chute, and the placing plate according to the present invention;

fig. 6 is a side view of the variable weight dumbbell supporting plate, the first sliding groove and the placing plate of the present invention.

Illustration of the drawings:

1. a threaded rod; 2. fastening a nut; 3. a placement groove; 4. lead blocks; 5. a handle; 6. salient points; 7. a stopper; 8. mounting a plate; 9. fixing the bolt; 10. fixing a nut; 11. an extension plate; 12. placing the plate; 13. a first slider; 14. a first chute; 15. a support plate; 16. a second slider; 17. a second chute; 18. a splint; 19. a balancing weight; 20. a through hole; 21. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: the weight-variable dumbbell comprises two groups of threaded rods 1 and a supporting plate 15, wherein one ends of the two groups of threaded rods 1 are fixedly connected with check blocks 7, balancing weights 19 on two sides can be isolated from hands, a handle 5 is fixedly connected between the two groups of check blocks 7, a plurality of groups of salient points 6 are arranged on the cylindrical outer surface of the handle 5, the friction force between the hands and the handle 5 can be increased, so that the weight-variable dumbbell has an anti-skid effect, the outer surface of the threaded rod 1 is provided with the balancing weights 19, the outer surface of the two groups of threaded rods 1 is in threaded connection with fastening nuts 2, the two groups of fastening nuts 2 are positioned on two sides of the two groups of balancing weights 19, the outer surface of the fastening nuts 2 is fixedly connected with six groups of extension plates 11, the six groups of extension plates 11 are distributed on the cylindrical outer surface of the fastening nuts 2 in an equal interval manner, through the arranged extension plates 11, people can conveniently rotate the fastening nuts 2, so that people can conveniently install and dismantle the balancing weights 19, the outer surface of a cylinder of the balancing weight 19 is provided with a second sliding groove 17, a plurality of groups of placing grooves 3 are arranged inside the second sliding groove 17, the placing grooves 3 are internally provided with lead blocks 4, the weight increasing effect of the dumbbell can be achieved by adding the lead blocks 4 into the placing grooves 3, two groups of second sliding blocks 16 are slidably connected inside the second sliding groove 17, the lead blocks 4 can be limited, the second sliding blocks 16 are arranged in an arc shape, one ends of the two groups of second sliding blocks 16 are fixedly connected with clamping plates 18, the clamping plates 18 are arranged in a semicircular shape, two ends of the two groups of clamping plates 18 are fixedly connected with mounting plates 8, each mounting plate 8 is provided with a through hole 20, the fixing bolts 9 are respectively connected inside the two groups of through holes 20 on the same side in a penetrating manner, the outer surface of each fixing bolt 9 is in threaded connection with a fixing nut 10, the fixing nut 10 is positioned on the front surface of the mounting plate 8, and the fixing bolt 9 and the fixing nut 10 are disassembled by rotating the fixing nut 10, then take off two sets of splint 18, place lead 4 in standing groove 3 on the balancing weight 19, then press from both sides two sets of splint 18 on balancing weight 19, then fix two sets of splint 18 through fixing bolt 9 and fixation nut 10, can accomplish the weight gain of dumbbell.

Two sets of first spouts 14 have been seted up to the upper end of backup pad 15, the equal sliding connection in inside of two sets of first spouts 14 has first slider 13, the equal fixedly connected with in upper end of two sets of first sliders 13 places board 12, sliding connection through first slider 13 and first spout 14, the length that people can be convenient for left according to 1 both sides of threaded rod, adjust two sets of distances of placing between board 12, two sets of both sides that place board 12 and lie in two sets of balancing weights 19, two sets of recess 21 of all seting up on placing board 12, through placing threaded rod 1 at dumbbell both ends place the recess 21 on placing board 12, can be convenient for people to place the dumbbell.

The working principle is as follows: when increasing the weight of dumbbell, through rotatory fixation nut 10, make it separate with fixing bolt 9, then take off fixing bolt 9, take off two sets of splint 18 again, place lead 4 in standing groove 3 on the balancing weight 19, then press from both sides two sets of splint 18 on balancing weight 19, second slider 16 is located second spout 17 on balancing weight 19 simultaneously, then fix two sets of splint 18 through fixing bolt 9 and fixation nut 10, can accomplish the weight gain of dumbbell, then according to the surplus length in threaded rod 1 both sides, adjust two sets of distances of placing between the board 12, after the regulation is accomplished, place threaded rod 1 at dumbbell both ends in placing the recess 21 on board 12, can accomplish placing of dumbbell.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The variable weight dumbbell comprises two groups of threaded rods (1) and a support plate (15), and is characterized in that: the outer surface of the threaded rod (1) is provided with a balancing weight (19), the cylindrical outer surface of the balancing weight (19) is provided with a second sliding groove (17), a plurality of groups of placing grooves (3) are formed in the second sliding groove (17), lead blocks (4) are arranged in the placing grooves (3), two groups of second sliding blocks (16) are connected in the second sliding groove (17) in a sliding mode, one ends of the two groups of second sliding blocks (16) are fixedly connected with clamping plates (18), two ends of the two groups of clamping plates (18) are fixedly connected with mounting plates (8), each group of mounting plates (8) is provided with a through hole (20), the two groups of through holes (20) on the same side are connected with fixing bolts (9) in a penetrating mode, and the outer surface of each fixing bolt (9) is connected with a fixing nut (10) in a threaded mode;

two sets of first spout (14) have been seted up to the upper end of backup pad (15), and two sets of equal sliding connection in inside of first spout (14) has first slider (13), and two sets of equal fixedly connected with in upper end of first slider (13) places board (12), and two sets of all set up fluted (21) on placing board (12).

2. The variable weight dumbbell of claim 1, wherein: one end of each of the two groups of threaded rods (1) is fixedly connected with a stop block (7), and a handle (5) is fixedly connected between the two groups of stop blocks (7).

3. The variable weight dumbbell of claim 2, wherein: the outer surface of the cylinder of the handle (5) is provided with a plurality of groups of salient points (6).

4. The variable weight dumbbell of claim 1, wherein: the outer surface of the two groups of threaded rods (1) is in threaded connection with fastening nuts (2), and the two groups of fastening nuts (2) are located on two sides of the two groups of balancing weights (19).

5. The variable weight dumbbell of claim 4, wherein: six groups of extension plates (11) are fixedly connected to the outer surface of the fastening nut (2), and the six groups of extension plates (11) are distributed on the outer cylindrical surface of the fastening nut (2) in an equal-gap mode.

6. The variable weight dumbbell of claim 1, wherein: the two groups of placing plates (12) are positioned at two sides of the two groups of balancing weights (19).

7. The variable weight dumbbell of claim 1, wherein: the clamping plate (18) is arranged in a semicircular shape, and the second sliding block (16) is arranged in an arc shape.

8. The variable weight dumbbell of claim 1, wherein: the fixing nut (10) is positioned on the front surface of the mounting plate (8).