CN213192301U

CN213192301U - Dumbbell convenient to adjust

Info

Publication number: CN213192301U
Application number: CN202022207172.XU
Authority: CN
Inventors: 卢华华
Original assignee: Yongkang Weide Industry And Trade Co ltd
Current assignee: Yongkang Weide Industry And Trade Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-14
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a dumbbell convenient to adjust, which comprises a base, wherein dumbbell piece grooves are respectively formed at two ends of the upper surface of the base, dumbbell pieces are placed in the dumbbell piece grooves, two ends of a supporting tube are respectively connected with an end cover, a movable tube is respectively inserted in the two ends of the supporting tube, one end of the movable tube is fixedly connected with a sliding positioning block, a fixed column is inserted in a spiral chute, a limit bayonet which is uniformly arranged in an annular equal angle is formed at the edge part of a limit clamping plate, a square clamping block is slidably installed in the square groove, and one end of the square clamping block penetrates through the lower part of an inner shell and is connected with a button; the sliding positioning block is inserted in the limiting groove in a sliding mode, and the two sides of the inserting block are fixedly connected with limiting inserting strips respectively. The utility model is not easy to cause disorder by placing the dumbbell sheet on the base; when the weight needs to be adjusted, the dumbbell pieces with the required number can be selectively connected only by rotating the supporting tube, the occupied space is small, and the operation is simple and convenient.

Description

Dumbbell convenient to adjust

Technical Field

The utility model relates to a dumbbell technical field specifically is a dumbbell convenient to adjust.

Background

The dumbbell is an auxiliary device for weight lifting and body building exercises and is used for strengthening muscle strength training. The dumbbell is named because no sound is produced during practice.

Dumbbells of the existing gymnasiums have various specifications, wherein the dumbbells have adjustable weight and also have non-adjustable weight. Dumbbells with non-adjustable weights are relatively fixed, and a plurality of dumbbells are possibly needed during exercise, so that a large space is occupied, and the cost is high. One of the prior dumbbell with the weight adjustable is adjusted by adopting a screw and nut fixing mode and increasing or decreasing dumbbell pieces, and the dumbbell pieces are locked and fixed by utilizing nuts, but the adjusting mode is too complicated, the dumbbell pieces are easily placed in a disordered mode, and the dumbbell is inconvenient to use. Therefore, we propose a dumbbell that is easy to adjust.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a dumbbell convenient to adjust to solve the dumbbell of the current adjustable weight that exists among the above-mentioned background art, its regulative mode is too loaded down with trivial details, and the dumbbell piece is placed easy confusion, awkward problem.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a dumbbell for facilitating adjustment, comprising:

the dumbbell piece taking and placing device comprises a base, wherein a taking and placing groove is formed in the middle of the upper surface of the base, dumbbell piece grooves are formed in two ends of the upper surface of the base respectively, an isolation strip is fixedly connected inside each dumbbell piece groove, a dumbbell piece is placed inside each dumbbell piece groove, shell grooves are formed in two sides of each dumbbell piece groove respectively, and a convex rod is fixedly connected to the inner bottom of each shell groove on one side;

the device comprises a supporting tube, wherein two ends of the supporting tube are respectively connected with an end cover, an inner shell is sleeved outside the end covers in a rotating mode, the upper portion of the inner shell is fixedly connected with the outer shell through a connecting frame, movable tubes are respectively inserted into two ends of the supporting tube, one end of each movable tube is fixedly connected with a sliding positioning block, a spiral chute is formed in the outer surface of each movable tube, a fixed column is fixedly connected to the inner side of a through hole in the end cover and inserted into the spiral chute, and a central shaft is inserted into an inner hole of each movable tube in a rotating mode;

a limiting clamping plate is fixedly installed on one side of the end cover, five groups of limiting bayonets which are uniformly arranged in an annular equal-angle mode are formed in the edge portion of the limiting clamping plate, a square groove is formed in one side of the inner side shell, a square clamping block is slidably installed inside the square groove, a spring is fixedly connected to one end of the square clamping block, one end of the spring is fixedly connected inside one end of the square groove, a reserved opening is further formed in the lower portion of the square clamping block, one end of the square clamping block penetrates through the lower portion of the inner side shell and is connected with a button, and the button is arranged right above the convex rod;

an inserting block is fixedly installed on one side of the inner side shell, a notch is formed in the inserting block, limiting grooves are formed in the upper inner wall and the lower inner wall of the notch, the sliding positioning block is inserted into the limiting grooves in a sliding mode, and limiting inserting strips are fixedly connected to the two sides of the inserting block respectively;

grooves are formed in the two side faces of the dumbbell piece in an aligned mode, and an opening, a strip-shaped opening communicated with the opening and a circular opening communicated with the strip-shaped opening are formed in each groove.

Preferably, the width of the strip-shaped opening is greater than that of the insertion block, the width of the strip-shaped opening is greater than the diameter of the central shaft and less than the outer diameter of the movable tube, and the diameter of the circular opening is greater than the outer diameter of the movable tube.

Preferably, the opening outside fixedly connected with chimb of inboard shell, spacing cardboard card in the chimb outside, just spacing breach has been seted up on the chimb, the internal orifice of spacing cardboard is provided with spacing fixture block, spacing fixture block card is in the spacing breach.

Preferably, gear marks are arranged on the circumference of the outer side of the end cover, and an observation hole convenient for observing the gear marks is formed in the upper portion of the inner side shell.

Preferably, both ends of the central shaft are respectively inserted on the inner side surface of the outer shell.

Preferably, one end of the insertion block is fixedly connected with an insertion column, and one end of the insertion column is inserted into a socket formed in one side of the outer shell.

Preferably, the fixing column is a cylinder, and the lower end of the cylinder is a hemispherical structure.

The utility model has the advantages that: when the dumbbell of the utility model is used, the dumbbell sheet is placed on the base, so that disorder is not easily caused; when the weight needs to be adjusted, the support tube is placed on the taking and placing groove, the insert block is inserted on the dumbbell pieces, then the support tube only needs to be rotated, the dumbbell pieces in required number can be selectively connected, manual contact with the dumbbell pieces is not needed, the occupied space is small, and the operation is simple and convenient.

Drawings

FIG. 1 is a schematic structural view of the dumbbell of the present invention after the dumbbell is separated from the base;

FIG. 2 is a schematic structural view of the middle movable tube of the present invention;

fig. 3 is a schematic side view of the end cap of the present invention;

FIG. 4 is a schematic structural view of the middle insert block of the present invention;

FIG. 5 is a schematic side view of an end of the middle insert block of the present invention;

fig. 6 is a schematic structural view of the middle-inner side casing of the present invention;

FIG. 7 is a schematic structural view of the limiting clip plate mounted on the middle-inner side case of the present invention;

fig. 8 is a schematic structural view of a dumbbell sheet of the present invention;

fig. 9 is a schematic structural view of the square fixture block of the present invention.

In the figure: 1-a base; 2-taking and placing groove; 3-a housing tank; 4-dumbbell sheet slot; 5-a spacer bar; 6-a nose bar; 7-supporting the tube; 8-end cap; 801-gear mark; 802-via holes; 803-fixed column; 805-limit cardboard; 806-limit bayonet; 807-ports; 808-convex edge; 809-a limit notch; 810-a limit fixture block; 9-inner shell; 901-square groove; 902-a spring; 903-a square fixture block; 904-push button; 905-a reserved port; 10-a viewing aperture; 11-a connecting frame; 12-an outer shell; 13-dumbbell sheet; 1301-a groove; 1302-circular port; 1303-bar-shaped opening; 1304-openings; 14-a movable tube; 1401-a slide locating block; 1402-a spiral chute; 1403-inner hole; 15-inserting blocks; 1501-a notch; 1502-limiting cutting; 1503-inserting column; 1504-a limit groove; 16-central axis.

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.

1-9, an adjustable dumbbell, comprising:

the dumbbell rack comprises a base 1, wherein a taking and placing groove 2 is formed in the middle of the upper surface of the base 1, dumbbell piece grooves 4 are formed in two ends of the upper surface of the base 1 respectively, four groups of isolating strips 5 are fixedly connected inside the dumbbell piece grooves 4, five groups of dumbbell pieces 13 are placed inside the dumbbell piece grooves 4, outer shell grooves 3 are formed in two sides of each dumbbell piece groove 4 respectively, and a convex rod 6 is fixedly connected to the inner bottom of each outer shell groove 3 on one side;

the device comprises a supporting pipe 7, wherein two ends of the supporting pipe 7 are respectively connected with an end cover 8, the outer part of the end cover 8 is rotatably sleeved with an inner side shell 9, the upper part of the inner side shell 9 is fixedly connected with an outer side shell 12 through a connecting frame 11, movable pipes 14 are respectively inserted into two ends of the supporting pipe 7, one end of each movable pipe 14 is fixedly connected with a sliding positioning block 1401, the outer side surface of each movable pipe 14 is provided with a spiral chute 1402, the inner side of a through hole 802 in the end cover 8 is fixedly connected with a fixed column 803, the fixed column 803 is inserted into the spiral chute 1402, and a central shaft 16 is rotatably;

a limiting clamping plate 805 is fixedly installed on one side of the end cover 8, five groups of limiting bayonets 806 which are uniformly arranged in an annular equal-angle mode are formed in the edge of the limiting clamping plate 805, a square groove 901 is formed in one side of the inner side shell 9, a square clamping block 903 is installed inside the square groove 901 in a sliding mode, a spring 902 is fixedly connected to one end of the square clamping block 903, one end of the spring 902 is fixedly connected to the inside of one end of the square groove 901, a reserved opening 905 is further formed in the lower portion of the square clamping block 903, one end of the square clamping block 903 penetrates through the lower portion of the inner side shell 9 and is connected with a key 904;

an inserting block 15 is fixedly installed on one side of the inner side shell 9, a notch 1501 is formed in the inserting block 15, limiting grooves 1504 are formed in the upper inner wall and the lower inner wall of the notch 1501, a sliding positioning block 1401 is inserted into the limiting grooves 1504 in a sliding mode, and limiting inserting strips 1502 are fixedly connected to the two sides of the inserting block 15 respectively;

two side surfaces of the dumbbell piece 13 are provided with grooves 1301 in an aligned mode, and the grooves 1301 are provided with opening openings 1304, strip-shaped openings 1303 communicated with the opening openings 1304 and circular openings 1302 communicated with the strip-shaped openings 1303.

In practice, it should be noted that the width of the strip-shaped opening 1303 is greater than the width of the insert 15, the width of the strip-shaped opening 1303 is greater than the diameter of the central shaft 16 and less than the outer diameter of the movable tube 14, and the diameter of the circular opening 1302 is greater than the outer diameter of the movable tube 14.

The specific installation mode of the limiting clamping plate 805 on the end cover 8 is as follows: the outer side of the through hole 807 of the end cover 8 is fixedly connected with a convex edge 808, the limiting clamping plate 805 is clamped on the outer side of the convex edge 808, a limiting notch 809 is formed in the convex edge 808, a limiting clamping block 810 is arranged at the inner opening of the limiting clamping plate 805, and the limiting clamping block 810 is clamped in the limiting notch 809.

Specifically, a gear mark 801 is arranged on the outer circumference of the end cover 8, an observation hole 10 convenient for observing the gear mark 801 is formed in the upper portion of the inner shell 9, two ends of the central shaft 16 are respectively inserted into the inner side surface of the outer shell 12, one end of the insertion block 15 is fixedly connected with an insertion column 1503, one end of the insertion column 1503 is inserted into a socket formed in one side of the outer shell 12, the fixing column 803 is a cylinder, and the lower end of the cylinder is of a hemispherical structure.

The use method comprises the following steps: when the dumbbell pieces 13 need to be increased or decreased, the support tube 7 is placed on the taking and placing groove 2, the inserting block 15 is inserted into the opening 1304, the strip-shaped opening 1303 and the circular opening 1302 on the dumbbell pieces 13, and at the moment, the limiting inserting strips 1502 are inserted into the grooves 1301 to separate and limit five groups of dumbbell pieces 13; meanwhile, the central shaft 16 is located at the center of the circular opening 1302, and the key 904 is jacked up by the convex rod 6, so that the square clamping block 903 is displaced in the square groove 901, the reserved opening 905 is aligned with the edge of the limiting clamping plate 805, the limiting clamping plate 805 can rotate, and the end cover 8 can rotate in the inner side shell 9;

then, by rotating the support tube 7, the movable tube 14 cannot rotate because the sliding positioning block 1401 at one end of the movable tube 14 is inserted in the limiting groove 1504 in a sliding manner; due to the cooperation of the spiral sliding chute 1402 and the fixed column 803, when the supporting tube 7 rotates, the movable tube 14 can realize telescopic movement; by this telescopic movement, the movable tube 14 is inserted into the circular opening 1302 and can function to support the dumbbell sheet 13; the telescopic length of the movable tube 14 is different according to the different quantity of the dumbbell pieces 13; in this way, the number of dumbbell pieces 13 can be adjusted; when the dumbbell pieces are adjusted, the rotating angle of the support tube 7 can be observed through the gear marks 801, and the adjustment is convenient when the dumbbell pieces are used, wherein the gears of the gear marks 801 correspond to weight marks such as 2.5kg, 3.5kg, 4.5kg, 5.5kg and 6.5kg, and correspond to 1 group of dumbbell pieces, 2 groups of dumbbell pieces, 3 groups of dumbbell pieces, 4 groups of dumbbell pieces and 5 groups of dumbbell pieces; after a gear is selected, the supporting tube 7 is directly taken up, the key 904 is lifted, the square clamping block 903 is returned under the action of the elastic force of the spring 902 and clamped in the limiting bayonet 806, the inner shell 9 and the end cover 8 are fixed, the movable tube 14 is prevented from stretching in the using process, and the safety is improved.

When the utility model is used, the dumbbell sheet 13 is placed on the base 1, so that disorder is not easily caused; when the weight needs to be adjusted, the support tube 7 is placed on the taking and placing groove 2, the plug blocks 15 are inserted on the dumbbell pieces 13, then the dumbbell pieces 13 in required number can be selectively connected only by rotating the support tube 7, manual contact with the dumbbell pieces 13 is not needed, the occupied space is small, and the operation is simple and convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dumbbell that is easily adjustable, comprising:

2. The dumbbell of claim 1, wherein: the width of bar mouth is greater than the width of inserted block, just the width of bar mouth is greater than the diameter of center pin and is less than the external diameter of movable tube, the diameter of circular mouth is greater than the external diameter of movable tube.

3. An adjustable dumbbell according to claim 1 or 2, characterised in that: the opening outside fixedly connected with chimb of end cover, spacing cardboard card in the chimb outside, just seted up spacing breach on the chimb, the internal orifice of spacing cardboard is provided with spacing fixture block, spacing fixture block card is in the spacing breach.

4. An adjustable dumbbell according to claim 3, wherein: gear marks are arranged on the circumference of the outer side of the end cover, and an observation hole convenient for observing the gear marks is formed in the upper portion of the inner side shell.

5. The dumbbell of claim 1, wherein: and two ends of the central shaft are respectively inserted on the inner side surface of the outer side shell.

6. An adjustable dumbbell according to claim 1 or 4, wherein: one end of the insertion block is fixedly connected with an insertion column, and one end of the insertion column is inserted into a socket formed in one side of the outer shell.

7. The dumbbell of claim 6, wherein: the fixing column is a cylinder, and the lower end of the cylinder is of a hemispherical structure.