CN220632894U - Adjustable dumbbell - Google Patents

Abstract

The utility model discloses an adjustable dumbbell, which belongs to the technical field of body-building equipment, wherein dumbbell sheet assemblies are arranged at two ends of a handle body, each dumbbell sheet assembly comprises a fixed dumbbell assembly and an adjustable dumbbell assembly, the fixed dumbbell assemblies and a limiting plate are fixedly arranged, when a dumbbell counterweight is required to be adjusted, the adjustable dumbbell assemblies are sequentially and horizontally arranged from the other side of the fixed dumbbell assemblies, a handle part is pulled to drive a sliding shaft to move along the length direction of a moving groove, when the movable dumbbell assemblies are required to be additionally arranged, part of the handle part is locked and arranged in a locking edge wall of the moving groove, and when the movable dumbbell is additionally arranged, the dumbbell counterweight can be adjusted by pulling the handle part only after the adjustable dumbbell assemblies are sequentially and horizontally arranged from the other side of the fixed dumbbell assemblies, the movable dumbbell counterweight can be operated by one hand without changing an operation position, and the adjustable dumbbell is convenient and simple to install and adjust.

Description

Adjustable dumbbell

Technical Field

The utility model relates to the technical field of fitness equipment, in particular to an adjustable dumbbell.

Background

The dumbbell is a body-building auxiliary device, and can assist a user to perform chest expansion training, biceps brachii training and the like. Then, because the weight of the dumbbell required for different exercises is different, the user is required to replace the dumbbell with a different weight or to mount and dismount the dumbbell piece.

There are two main types of dumbbells in the prior art: a dumbbell with fixed weight, but not adjustable weight, so that a user needs to purchase a plurality of dumbbell parties with different weights to meet the strength requirement along with the increase of exercise time, which definitely increases the cost; the other dumbbell is a dumbbell with adjustable weight, and is popular with sports trainers. An adjustable dumbbell is described in the Chinese patent application text of the prior art, such as the publication number of CN112295461A, and comprises a plurality of dumbbell pieces, wherein each dumbbell piece comprises a dumbbell piece body, a through hole, a connecting protrusion, a connecting groove, a limiting groove and a plurality of positioning holes; the dumbbell rod comprises a fixed rod, a limit baffle, a plurality of positioning protrusions, an adjusting rod and a limit clamping block; the adjusting rod comprises a sliding rod and a limiting rod, the sliding rod is arranged at the end part of the fixed rod in a sliding mode, and the limiting rod is perpendicularly connected with the end part of the sliding rod far away from the fixed rod. The specification records that the fixing rod is hollow, threads are arranged on the inner wall of the fixing rod, threads are arranged on the outer wall of the adjusting rod, the threads on the inner wall of the fixing rod are matched with the threads on the outer wall of the adjusting rod, the adjusting rod can be made to freely stretch out and draw back by rotating the fixing rod, then the dumbbell pieces can be placed, the connecting protrusion of one dumbbell piece is connected with the connecting groove of the other dumbbell piece in a sliding embedded mode, therefore, the two dumbbell pieces are tightly connected together, the operation is complex, when the dumbbell pieces are installed, the dumbbell needs to be lifted, then the sliding rod is slid outwards to the limit, and then the limit clamping block is slid upwards to the limit; placing a first dumbbell sheet on an adjusting rod (the lower side of a sliding rod), then moving the dumbbell sheet upwards to enable the dumbbell sheet to be clamped with the sliding rod, and then moving the dumbbell sheet towards a fixed rod direction to enable a plurality of positioning holes of the dumbbell sheet to be embedded with a plurality of positioning protrusions on a limit baffle; the second dumbbell piece is placed on the lower side of the adjusting rod and the first dumbbell piece, the dumbbell piece is moved upwards, the connecting groove of the dumbbell piece is in sliding fit with the connecting protrusion of the first dumbbell piece, the dumbbell piece is clamped with the sliding rod, the installation and adjustment operation is complex, for example, when a user wants to break through the limit and then continue to install the additional dumbbell piece, the dumbbell piece is difficult to lift by one hand, the position of the adjusting rod is adjusted by the other hand, and the additional installation can be realized only by two-hand operation or two-person operation.

In view of this, the present inventors have conducted intensive studies in response to this need, and have made the present utility model.

Disclosure of Invention

In order to solve the technical problems of complex installation and adjustment operation and inconvenient operation when adjusting the balance weight of the dumbbell in the prior art, the utility model provides an adjustable dumbbell, which comprises:

the handle body is arranged in a hollow mode;

the two limiting plates are respectively and fixedly arranged at two ends of the handle body; the limiting plate is provided with a left-right communicated penetrating through hole, the penetrating through hole is provided with a limiting column, the limiting column divides the penetrating through hole into a first penetrating through hole and a second penetrating through hole, and the first penetrating through hole and the second penetrating through hole are communicated with the inner cavity of the handle body;

the two dumbbell handle assemblies comprise handle parts and sliding shafts, one ends of the sliding shafts are fixedly connected with the handle parts, limit nuts are arranged at the other ends of the sliding shafts, the two sliding shafts are respectively and slidably arranged in the inner cavity of the handle body in a penetrating manner, and the two handle parts can drive the two sliding shafts to move oppositely or oppositely in the radial direction;

the dumbbell piece assemblies comprise dumbbell piece bodies, each dumbbell piece assembly is provided with a through hole positioned in the middle of the dumbbell piece assembly and a notch extending from the outer edge to the through hole, and a locking edge wall is formed between the through hole and the notch; the dumbbell sheet assembly includes:

the dumbbell comprises two fixed dumbbell components, wherein one side of a dumbbell piece body of the fixed dumbbell component is fixedly connected with the limiting plate;

the adjustable dumbbell components are sequentially and horizontally arranged from the other side of the fixed dumbbell component, and the through holes and the gaps form open movable grooves;

when the handle part drives the sliding shaft to slide in a proper position along the length direction of the moving groove, part of the handle part is locked and installed in the locking edge wall.

Preferably, when the sliding shaft extends completely from the first penetration through hole or the second penetration through hole along the length direction of the inner cavity of the handle body, the limit nut abuts against the inner side of the limit post.

Preferably, a first limiting block is arranged on the inner wall surface of the handle body, the inner cavity of the handle body is divided into a first inner cavity and a second inner cavity by the first limiting block, the first limiting block and the limiting column are positioned on the same horizontal line, the first inner cavity is communicated with the first penetrating through hole, the second inner cavity is communicated with the second penetrating through hole, one end of the limiting nut, which is far away from the sliding shaft, moves along the length direction of the first limiting block, and the limiting nut is in butt joint with the first limiting block.

Preferably, the limiting plate and one end of the fixed dumbbell component form an end part of the movable groove close to the handle body;

the outer edge of the handle body is circumferentially provided with a fixing plate in an extending mode, and the fixing plate and the transverse section of the handle body form an H-shaped structure;

one end of the limiting plate is fixedly connected with the fixing plate through a fixing bolt, and when the handle part moves to the fixed dumbbell component, the handle part is abutted with the fixing plate.

Preferably, the two sliding shafts are D-shaped structural members, and the sliding shafts are adaptively and matingly arranged in the first inner cavity or the second inner cavity.

Preferably, the inner cavity of the handle part comprises a handle shaft and a pressure spring, the pressure spring is sleeved in the handle shaft, the handle shaft is perpendicular to the plane end of the D-shaped structural member, one end of the handle shaft is welded with the plane end, and the other end of the handle shaft is fixedly connected with the shell of the handle part through a pan head screw; both sides of the shell are provided with stepped grooves which are mutually abutted with the locking edge walls.

Preferably, the dumbbell piece assembly further comprises a plurality of self-tapping screws and a plurality of self-locking nuts;

both sides of the dumbbell piece body are recessed downwards to form mounting edges;

the dumbbell fixing assembly further comprises a first concave plate, the first concave plate and the limiting plate are mutually fixed, and one ends, far away from the moving groove, of the first concave plate and the limiting plate are fixedly connected with the dumbbell piece body; the first concave plate is inlaid on one side of the dumbbell body and is fixedly connected with the fixing plate through the self-tapping screw; the limiting plate is embedded on the other side of the dumbbell body and is fixedly connected with the mounting edge through the self-locking nut;

the adjustable dumbbell assembly further comprises a second concave plate and a convex plate, the second concave plate and the convex plate are mutually fixed, one ends of the second concave plate and the convex plate form a part of the movable groove far away from the fixed dumbbell assembly, and one ends of the second concave plate and the convex plate far away from the movable groove are fixedly connected with the dumbbell piece body; the second concave plate is inlaid on one side of the dumbbell body and is fixedly connected with the mounting edge through the self-tapping screw; the convex plate is inlaid on the other side of the dumbbell body and is fixedly connected with the mounting edge through the self-locking nut.

Preferably, a connecting groove is formed in one side, far away from the dumbbell piece body, of each of the first concave plate and the second concave plate, a connecting protrusion is formed in one side, far away from the dumbbell piece body, of each of the convex plates, and when a plurality of adjustable dumbbell assemblies are sequentially and horizontally installed from the other side of the fixed dumbbell assembly, the connecting groove of the first concave plate and the connecting protrusion of the convex plate of the first adjustable dumbbell assembly are mutually inlaid and matched; and when the second adjustable dumbbell component is continuously installed, the connecting grooves of the first concave plate of the first adjustable dumbbell component and the connecting protrusions of the convex plate of the second adjustable dumbbell component are mutually embedded and matched, and the second adjustable dumbbell component installed in the future is similar.

Preferably, the through hole inner wall surface of the convex plate is provided with a second limiting block, and when the adjustable dumbbell component is horizontally installed from the other side of the fixed dumbbell component in sequence, the second limiting block, the limiting post and the first limiting block are positioned on the same horizontal line.

Preferably, the dumbbell piece comprises a base, wherein the base is provided with a mounting groove for placing the dumbbell piece, two ends of the mounting groove far away from the center of the mounting groove are respectively provided with a limit groove, the dumbbell assembly is arranged at the outermost side and is adaptively arranged in the limiting groove, and one end of the dumbbell body, which is far away from the notch, is provided with a matching surface matched with the limiting groove.

The beneficial effects are that:

the technical scheme of the utility model has the following beneficial effects:

(1) The dumbbell piece components are installed at the two ends of the handle body, the dumbbell piece components comprise fixed dumbbell components and adjustable dumbbell components, the fixed dumbbell components are fixedly installed with the limiting plates, when a dumbbell counterweight is required to be adjusted, the adjustable dumbbell components are sequentially and horizontally installed from the other side of the fixed dumbbell components, the handle part is pulled to drive the sliding shaft to move along the length direction of the moving groove, when the adjustable dumbbell components which are required to be additionally installed are moved, the handle part is partially and fixedly installed in the locking edge wall of the moving groove, when the adjustable dumbbell components are additionally installed, only the adjustable dumbbell components are required to be horizontally installed from the other side of the fixed dumbbell components, the dumbbell counterweight can be adjusted by pulling the handle part, the operation position can be conveniently and simply operated by one hand without changing, the operation of installation and adjustment is simple and convenient, and the condition that when the dumbbell piece is required to be additionally installed in a continuous mode in the prior art is avoided, two hands are required to be operated or two operators can be additionally installed.

(2) The limiting plate is provided with a limiting column, one ends of the two sliding shafts, far away from the lifting part, are respectively provided with a limiting nut, the sliding shafts are pulled to the outermost adjustable dumbbell assembly, and the limiting nuts can be clamped on the limiting column of the limiting plate to prevent the sliding shafts from being separated.

(3) The boss internal face is equipped with the second stopper, and handle body internal face is equipped with first stopper, when adjustable dumbbell subassembly from the opposite side of fixed dumbbell subassembly horizontal installation in proper order, the second stopper spacing post with first stopper is in on the same horizontal line, can prevent the rotation of sliding shaft for the sliding shaft is along the direct removal of appointed direction.

(4) The connecting grooves on the first concave plate and the second concave plate are mutually inlaid and matched with the connecting protrusions on the convex plate, so that the back-and-forth movement of the adjustable dumbbell assembly is prevented, the structure is stable, and good product experience is given to users.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of the adjustable dumbbell of this utility model;

FIG. 2 is a cross-sectional view taken along the line A-A of FIG. 1 in accordance with the present utility model;

FIG. 3 is a second cross-sectional view taken along the direction B-B in FIG. 1 in accordance with the present utility model;

FIG. 4 is an exploded view of the handle body and fixed dumbbell assembly of the adjustable dumbbell of this utility model;

FIG. 5 is a schematic diagram of the structure of a dumbbell sheet assembly (State one) in an adjustable dumbbell of this utility model;

FIG. 6 is a schematic diagram of the structure of a dumbbell sheet assembly (State two) in an adjustable dumbbell of this utility model;

fig. 7 is a schematic view of the structure of the base of the adjustable dumbbell of this utility model.

In the figure:

1. a handle body; 11. an inner cavity; 12. a first limiting block; 13. a fixing plate;

2. a limiting plate; 21. penetrating through holes; 22. a limit column;

3. a dumbbell handle assembly; 31. a handle part; 311. a handle shaft; 312. a pressure spring; 313. a pan head screw; 314. a housing; 3141. a stepped groove; 32. a sliding shaft; 321. a planar end; 33. a limit nut;

4. a dumbbell piece assembly; 41. fixing the dumbbell component; 411. a first recess plate; 42. an adjustable dumbbell assembly; 421. a second recess plate; 422. a convex plate; 4221. a second limiting block; 43. self-tapping screw; 44. a self-locking nut; 400. a dumbbell body; 4000. a mounting edge; 4001. a mating surface; 401. a through hole; 402. a notch; 403. locking the skirt wall; 404. a moving groove;

5. a base; 51. a mounting groove; 511. and a limit groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

According to the dumbbell piece assembly, the dumbbell piece assembly comprises the fixed dumbbell assembly and the adjustable dumbbell assembly, the fixed dumbbell assembly is fixedly mounted with the limiting plate, when a dumbbell counterweight is required to be adjusted, the adjustable dumbbell assembly is sequentially and horizontally mounted on the other side of the fixed dumbbell assembly, the lifting handle portion is pulled, the lifting handle portion drives the sliding shaft to move along the length direction of the movable groove, when the movable dumbbell assembly which is required to be additionally mounted is moved, the lifting handle portion is partially and fixedly mounted in the locking edge wall of the movable groove, and when the movable dumbbell counterweight is additionally mounted, the lifting handle portion can be pulled to adjust the dumbbell counterweight only after the adjustable dumbbell assembly is sequentially and horizontally mounted on the other side of the fixed dumbbell assembly.

As shown in fig. 1-7, an adjustable dumbbell, comprising:

a handle body 1, wherein the handle body 1 is arranged in a hollow manner;

the limiting plates 2 are respectively and fixedly arranged at two ends of the handle body 1; the limiting plate 2 is provided with a penetrating through hole 21 which is communicated left and right, the penetrating through hole 21 is provided with a limiting column 22, the limiting column 22 divides the penetrating through hole 21 into a first penetrating through hole and a second penetrating through hole 212, and the first penetrating through hole and the second penetrating through hole are both communicated with the inner cavity of the handle body 1;

the dumbbell handle assembly 3 comprises a handle part 31 and a sliding shaft 32, wherein one end of the sliding shaft 32 is fixedly connected with the handle part 31, a limit nut 33 is arranged at the other end of the sliding shaft 32, the two sliding shafts 32 can be respectively and slidably arranged in an inner cavity of the handle body 1 in a penetrating manner, and the two handle parts 31 can drive the two sliding shafts 32 to move oppositely or radially; in the sliding state in which the two sliding shafts 32 move away from each other, as shown in fig. 2, when the sliding shafts 32 extend completely from the first insertion through hole or the second insertion through hole along the length direction of the inner cavity of the handle body 1, the limit nut 33 abuts against the limit post 22, and the limit nut 33 on the sliding shaft 22 abuts against the inner side of the limit post 22, so that the two sliding shafts 32 are restricted from flying out of the inner cavity of the handle body 1 when moving away from each other, and safety accidents are avoided;

the dumbbell sheet assemblies 4 each comprise a dumbbell sheet body 400, each dumbbell sheet assembly 4 is provided with a through hole 401 positioned in the middle of the dumbbell sheet assembly 4 and a notch 402 extending from the outer edge to the through hole 401, and a locking edge wall 403 is formed between the through hole 401 and the notch 402; the dumbbell sheet assembly 4 includes:

two fixed dumbbell components 41, wherein one side of a dumbbell body 400 of the fixed dumbbell component 41 is fixedly connected with the limiting plate 2;

an adjustable dumbbell assembly 42, wherein a plurality of adjustable dumbbell assemblies 42 are horizontally installed in sequence from the other side of the fixed dumbbell assembly 41, and a plurality of through holes 401 and a plurality of notches 402 form an open moving groove 404;

when the handle portion 31 drives the sliding shaft 32 to slide along the length direction of the moving slot 404 to a proper position, as shown in fig. 1, 3 and 5, a part of the handle portion 31 is locked and installed in the locking edge wall 403, so that the handle portion 31 is prevented from continuously driving the sliding shaft 32 to slide out, and good product experience is given to a user. The specific embodiment of the handle portion 31 is shown in fig. 3 and 4, the inner cavity of the handle portion 31 includes a handle shaft 311 and a compression spring 312, the compression spring 312 is sleeved in the handle shaft 311, the handle shaft 311 is perpendicular to the plane end 321 of the D-shaped structural member, one end of the handle shaft 311 is welded to the plane end 321, and the other end of the handle shaft 311 is fixedly connected with the housing 314 of the handle portion 31 through a pan head screw 313; both sides of the housing 314 are provided with step grooves 3141, and the step grooves 3141 are abutted against the locking edge walls 403. The specific embodiment of the handle 31 is shown in the chinese patent application publication No. CN112295461a, and will not be described here.

In order to increase the rotation prevention of the sliding shaft 32, as shown in fig. 4, a first limiting block 12 is provided on the inner wall surface of the handle body 1, and the first limiting block 12 divides the inner cavity 11 of the handle body 1 into a first inner cavity and a second inner cavity, thereby increasing the rigidity of the handle body 1; the first limiting block 12 and the limiting post 22 are on the same horizontal line, the first inner cavity is communicated with the first penetrating through hole, the second inner cavity is communicated with the second penetrating through hole, and one end of the limiting nut 33, which is far away from the sliding shaft 32, moves along the length direction of the first limiting block 12, so that the two sliding shafts 32 can both move directly along the designated direction. Specifically, as shown in fig. 3 and 4, two sliding shafts 32 are D-shaped structures, and the sliding shafts 32 are adaptively and matingly installed in the first cavity 111 or the second cavity 112.

It should be noted that, the specific assembly relationship between the fixed dumbbell assembly 41 and the handle body 1 is shown in fig. 1 and fig. 4, and the limiting plate 2 and one end of the fixed dumbbell assembly 41 form an end portion of the moving slot 404 near the handle body 1;

the outer edge of the handle body 1 is circumferentially provided with the fixing plate 13 in an extending manner, and the fixing plate 13 and the transverse section of the handle body 1 form an H-shaped structure, so that the fixed dumbbell component 41 can be fixedly arranged at two ends of the handle body 1 through the limiting plates 2, and the structure is stable; further, one end of the limiting plate 2 is fixedly connected with the fixing plate 13 through a fixing bolt, when the handle portion 31 moves to the fixed dumbbell assembly 41, the handle portion 31 is abutted to the fixing plate 13, and the gravity center of the handle portion 31 is stabilized through the fixing plate 13, so that the unstable gravity center of the handle portion 31 is avoided when the handle portion 31 is positioned in the fixed dumbbell assembly 41, and the structure is stable.

The specific assembly relationship between the fixed dumbbell assembly 41 and the adjustable dumbbell assembly 42 is shown in fig. 4 to 6, and the dumbbell sheet assembly 4 further includes a plurality of self-tapping screws 43 and a plurality of self-locking nuts 44;

both sides of the dumbbell piece body 400 are recessed downwards to form mounting edges 4000;

the fixed dumbbell assembly 41 further includes a first concave 411, the first concave 411 and the limiting plate 2 are fixed to each other, and one ends of the first concave 411 and the limiting plate 2, which are far away from the moving slot 404, are fixedly connected with the dumbbell piece body 400; the first concave 411 is embedded on one side of the dumbbell body 400 and is fixedly connected with the fixing plate 13 through the self-tapping screw 43; the limiting plate 2 is embedded on the other side of the dumbbell piece body 400 and is fixedly connected with the mounting edge 4000 through the self-locking nut 44;

the adjustable dumbbell assembly 42 further includes a second concave plate 421 and a convex plate 422, the second concave plate 421 and the convex plate 422 are fixed to each other, one ends of the second concave plate 421 and the convex plate 422 form a portion of the moving slot 404 away from the fixed dumbbell assembly 41, and one ends of the second concave plate 421 and the convex plate 422 away from the moving slot 404 are fixedly connected with the dumbbell piece body 400; the second concave plate 421 is embedded at one side of the dumbbell body 400 and is fixedly connected with the mounting edge 4000 by the self-tapping screw 43; the convex plate 422 is inlaid on the other side of the dumbbell body 400, and is fixedly connected with the mounting edge 4000 through the self-locking nut 44, so that the dumbbell structure is stable in structure, and when the adjustable dumbbell assembly 42 needs to be disassembled, other adjustable dumbbell assemblies 42 cannot shake left and right.

When it is desired to add an adjustable dumbbell assembly 42, the specific operations are: the first concave plate 411 and the second concave plate 421 are respectively provided with a connection groove at one side far away from the dumbbell body 400, the convex plate 422 is provided with a connection protrusion at one side far away from the dumbbell body 400, and when a plurality of adjustable dumbbell assemblies 42 are horizontally installed in sequence from the other side of the fixed dumbbell assembly 41, the connection grooves of the first concave plate 411 and the connection protrusions of the convex plate 422 of the first adjustable dumbbell assembly 42 are mutually inlaid and matched; when the second adjustable dumbbell assembly 42 is continuously installed, the connecting grooves of the first concave plate 411 of the first adjustable dumbbell assembly 42 and the connecting protrusions of the convex plate 422 of the second adjustable dumbbell assembly 42 are mutually embedded and matched, and the second adjustable dumbbell assembly 42 installed in the back is similar, so that the adjustable dumbbell assembly 42 to be installed is tightly connected together from the fixed dumbbell assembly 41 to the adjustable dumbbell assembly 42 to be installed without falling off; and the connecting protrusion and the connecting groove are matched with each other, so that the back and forth movement of the adjustable dumbbell assembly is prevented.

As a preferred embodiment, as shown in fig. 2 to 6, the inner wall surface of the through hole 401 of the protruding plate 422 is provided with a second limiting block 4221, and when the adjustable dumbbell assembly 42 is horizontally installed from the other side of the fixed dumbbell assembly 41 in sequence, the second limiting block 4221, the limiting post 22 and the first limiting block 12 are on the same horizontal line, so as to prevent the sliding shaft 32 from rotating.

As a preferred embodiment, as shown in fig. 7, the dumbbell assembly further comprises a base 5, the base 5 is provided with a mounting groove 51 for placing the dumbbell assembly 4, two ends of the mounting groove 51 away from the center of the mounting groove are respectively provided with a limiting groove 511, the dumbbell assembly 42 placed at the outermost side is adaptively installed in the limiting groove 511, and one end of the dumbbell body 400 away from the notch 402 is provided with a mating surface 4001 matched with the limiting groove 511, so that the dumbbell assembly 42 at the outermost side is prevented from shaking left and right.

The working flow is as follows: when the dumbbell counter weight needs to be adjusted, the adjustable dumbbell component is horizontally installed from the other side of the fixed dumbbell component in sequence, the handle part is pulled to drive the sliding shaft to move along the length direction of the movable groove, when the adjustable dumbbell component needs to be additionally installed is moved, part of the handle part is locked and installed in the locking edge wall of the movable groove, and when the dumbbell counter weight needs to be additionally installed, the dumbbell counter weight can be adjusted by pulling the handle part after the adjustable dumbbell component is horizontally installed from the other side of the fixed dumbbell component in sequence.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An adjustable dumbbell, comprising:

the handle comprises a handle body (1), wherein the handle body (1) is arranged in a hollow mode;

the limiting plates (2), the two limiting plates (2) are respectively and fixedly arranged at the two ends of the handle body (1); the limiting plate (2) is provided with a left-right communicated penetrating through hole (21), the penetrating through hole (21) is provided with a limiting column (22), the limiting column (22) divides the penetrating through hole (21) into a first penetrating through hole and a second penetrating through hole (212), and the first penetrating through hole and the second penetrating through hole are both communicated with the inner cavity of the handle body (1);

the dumbbell handle assemblies (3) comprise handle parts (31) and sliding shafts (32), one ends of the sliding shafts (32) are fixedly connected with the handle parts (31), limit nuts (33) are arranged at the other ends of the sliding shafts (32), the two sliding shafts (32) can be respectively and slidably arranged in the inner cavities of the handle bodies (1) in a penetrating mode, and the two handle parts (31) can drive the two sliding shafts (32) to move oppositely or oppositely in the radial direction;

the dumbbell piece assemblies (4) comprise dumbbell piece bodies (400), each dumbbell piece assembly (4) is provided with a through hole (401) located in the middle of the dumbbell piece assembly (4) and a notch (402) extending from the outer edge to the through hole (401), and a locking edge wall (403) is formed between the through hole (401) and the notch (402); the dumbbell sheet assembly (4) includes:

the two dumbbell fixing assemblies (41) are fixedly connected with the limit plate (2) at one side of a dumbbell body (400) of each dumbbell fixing assembly (41);

the adjustable dumbbell assemblies (42), a plurality of the adjustable dumbbell assemblies (42) are horizontally installed in sequence from the other side of the fixed dumbbell assembly (41), and a plurality of through holes (401) and a plurality of gaps (402) form an open moving groove (404);

when the handle part (31) drives the sliding shaft (32) to slide in a proper position along the length direction of the moving groove (404), part of the handle part (31) is locked and installed in the locking edge wall (403).

2. An adjustable dumbbell according to claim 1, wherein: when the sliding shaft (32) completely extends out of the first penetration through hole or the second penetration through hole along the length direction of the inner cavity of the handle body (1), the limit nut (33) is abutted with the inner side of the limit column (22).

3. An adjustable dumbbell according to claim 2, wherein: the inner wall surface of the handle body (1) is provided with a first limiting block (12), the first limiting block (12) divides an inner cavity (11) of the handle body (1) into a first inner cavity and a second inner cavity, the first limiting block (12) and the limiting column (22) are positioned on the same horizontal line, the first inner cavity is communicated with the first penetrating through hole, the second inner cavity is communicated with the second penetrating through hole, one end of the limiting nut (33) which is far away from the sliding shaft (32) moves along the length direction of the first limiting block (12), and the limiting nut (33) is abutted with the first limiting block (12).

4. An adjustable dumbbell according to claim 3, wherein: one end of the limiting plate (2) and one end of the fixed dumbbell component (41) form an end part of the movable groove (404) close to the handle body (1);

the outer edge of the handle body (1) is circumferentially provided with a fixing plate (13) in an extending mode, and the fixing plate (13) and the transverse section of the handle body (1) form an H-shaped structure;

one end of the limiting plate (2) is fixedly connected with the fixing plate (13) through a fixing bolt, and when the handle part (31) moves to the fixed dumbbell component (41), the handle part (31) is abutted with the fixing plate (13).

5. An adjustable dumbbell according to claim 3, wherein: the two sliding shafts (32) are D-shaped structural members, and the sliding shafts (32) are adaptively and matched and installed in the first inner cavity (111) or the second inner cavity (112).

6. The adjustable dumbbell of claim 5, wherein: the inner cavity of the handle part (31) comprises a handle shaft (311) and a pressure spring (312), the pressure spring (312) is sleeved in the handle shaft (311), the handle shaft (311) is perpendicular to the plane end (321) of the D-shaped structural member, one end of the handle shaft (311) is welded with the plane end (321), and the other end of the handle shaft (311) is fixedly connected with the shell (314) of the handle part (31) through a pan head screw (313); both sides of the shell (314) are provided with stepped grooves (3141), and the stepped grooves (3141) are mutually abutted with the locking edge walls (403).

7. The adjustable dumbbell of claim 4, wherein: the dumbbell piece component (4) further comprises a plurality of self-tapping screws (43) and a plurality of self-locking nuts (44);

both sides of the dumbbell piece body (400) are recessed downwards to form mounting edges (4000);

the dumbbell fixing assembly (41) further comprises a first concave plate (411), the first concave plate (411) and the limiting plate (2) are mutually fixed, and one ends, far away from the moving groove (404), of the first concave plate (411) and the limiting plate (2) are fixedly connected with the dumbbell piece body (400); the first concave plate (411) is inlaid on one side of the dumbbell piece body (400) and is fixedly connected with the fixing plate (13) through the self-tapping screw (43) through bolts; the limiting plate (2) is embedded on the other side of the dumbbell body (400) and is fixedly connected with the mounting edge (4000) through the self-locking nut (44) through bolts;

the adjustable dumbbell assembly (42) further comprises a second concave plate (421) and a convex plate (422), the second concave plate (421) and the convex plate (422) are mutually fixed, one end of the second concave plate (421) and one end of the convex plate (422) form a part of the movable groove (404) far away from the fixed dumbbell assembly (41), and one end of the second concave plate (421) and one end of the convex plate (422) far away from the movable groove (404) are fixedly connected with the dumbbell piece body (400); the second concave plate (421) is inlaid on one side of the dumbbell piece body (400) and is fixedly connected with the mounting edge (4000) through the self-tapping screw (43) through bolts; the convex plate (422) is inlaid on the other side of the dumbbell piece body (400), and is fixedly connected with the mounting edge (4000) through the self-locking nut (44) through bolts.

8. The adjustable dumbbell of claim 7, wherein: the dumbbell comprises a dumbbell body (400), a first concave plate (411) and a second concave plate (421), wherein one side, far away from the dumbbell body (400), of the first concave plate and the second concave plate is provided with a connecting groove, one side, far away from the dumbbell body (400), of the convex plate (422) is provided with a connecting protrusion, and when a plurality of adjustable dumbbell assemblies (42) are horizontally installed from the other side of the fixed dumbbell assembly (41) in sequence, the connecting groove of the first concave plate (411) and the connecting protrusion of the convex plate (422) of the first adjustable dumbbell assembly (42) are mutually embedded and matched; and when the second adjustable dumbbell assembly (42) is continuously installed, the connecting grooves of the first concave plates (411) of the first adjustable dumbbell assembly (42) and the connecting protrusions of the convex plates (422) of the second adjustable dumbbell assembly (42) are mutually embedded and matched, and the second adjustable dumbbell assembly (42) installed later is the same.

9. The adjustable dumbbell of claim 7, wherein: the through hole (401) inner wall surface of the convex plate (422) is provided with a second limiting block (4221), and when the adjustable dumbbell component (42) is horizontally installed from the other side of the fixed dumbbell component (41) in sequence, the second limiting block (4221), the limiting column (22) and the first limiting block (12) are positioned on the same horizontal line.

10. An adjustable dumbbell according to claim 1, wherein: still include base (5), base (5) are equipped with and are used for placing mounting groove (51) of dumbbell piece subassembly (4), the both ends that its center was kept away from to mounting groove (51) are equipped with spacing groove (511) respectively, place in the adjustable dumbbell piece subassembly (42) adaptability of outside install in spacing groove (511), dumbbell piece body (400) are kept away from the one end of breach (402) be equipped with spacing groove (511) complex mating surface (4001).