CN215387304U

CN215387304U - Dumbbell convenient to adjust

Info

Publication number: CN215387304U
Application number: CN202121260939.3U
Authority: CN
Inventors: 程涛; 程步清; 程世满
Original assignee: Ningguo Changxiang Grinding Materials Co ltd
Current assignee: Ningguo Changxiang Grinding Materials Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-01-04
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a dumbbell convenient to adjust, which comprises a main pipe body, wherein through holes are symmetrically formed in two ends of the main pipe body, mounting rods suitable for the through holes are arranged in the through holes, first external threads are uniformly formed in the outer side walls of the mounting rods at the outer ends of the through holes, clamping holes are uniformly formed in the outer side walls of the mounting rods at the inner ends of the through holes, mounting rings are fixedly arranged at two ends of the outer side walls of the main pipe body, locking bolts penetrating through the mounting rings are arranged on the mounting rings, and second external threads are uniformly formed in the bottom ends of the outer side walls of the locking bolts. The novel bearing plate is provided with the convex magnetic block, the concave magnetic block, the locking ring and the first external thread, so that the bearing plates can be conveniently and quickly disassembled and assembled, the disassembling and assembling convenience is improved, the disassembling and assembling difficulty and time consumption are reduced, the bearing plates are pre-assembled through the concave-convex magnetic block, the assembling convenience is further improved, and the bearing plates of all groups are prevented from being loosened when the bearing plates are tightly pressed and clamped.

Description

Dumbbell convenient to adjust

Technical Field

The utility model relates to the technical field of fitness equipment, in particular to a dumbbell convenient to adjust.

Background

The dumbbell is one of the common devices used in the body building process, and the dumbbell needs to frequently disassemble and assemble heavy pieces with different weights so as to adjust the weights to proper weights for exercise.

The traditional dumbbell is disassembled and assembled through the threads on the inner side of the heavy piece, the operation is complex, when the number of the installed heavy pieces is small, the two-character metal rod is long, the exercise and the use are inconvenient, when the number of the metal rod is short, more multiple pieces are inconvenient to install, and the use limitation is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dumbbell convenient to adjust so as to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a dumbbell convenient to adjust comprises a main pipe body, through holes are symmetrically formed in two ends of the main pipe body, mounting rods suitable for the through holes are arranged inside the through holes, first external threads are uniformly formed in the outer side walls of the outer ends of the through holes of the mounting rods, clamping holes are uniformly formed in the outer side walls of the inner ends of the through holes of the mounting rods, mounting rings are fixedly mounted at two ends of the outer side walls of the main pipe body, locking bolts penetrating the mounting rings are arranged on the mounting rings, second external threads are uniformly formed in the bottom ends of the outer side walls of the locking bolts, locking holes matched with the second external threads are formed in the inner sides of the mounting rings, a plurality of groups of weight bearing pieces are arranged on the outer sides of the mounting rods, concave magnetic blocks are mounted on one sides, close to the mounting rings, of the weight bearing pieces, convex magnetic blocks are mounted on one sides, far away from the mounting rings, and convex magnetic blocks are mounted on one sides, close to the weight bearing pieces, of the mounting rings, the convex magnetic blocks are all suitable for the corresponding concave magnetic blocks, and locking rings in threaded connection with the first external threads are arranged on the outer sides of the mounting rods.

Preferably, the outer side of the main pipe body is uniformly provided with arc-shaped grooves, and the outer side of the main pipe body is sleeved with a rubber anti-slip sleeve.

Preferably, one end of the locking bolt close to the locking hole is of a conical structure, and the conical structure is matched with the inner side of the locking hole.

Preferably, the outer side and the splicing part of the load bearing sheet are both provided with rubber interlayers.

Preferably, the holding positions on the outer side of the locking ring are uniformly provided with anti-slip threads.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the device, the through hole, the mounting rod, the locking bolt, the locking hole and the second external thread are arranged, so that the position of the mounting rod can be conveniently adjusted, and the locking treatment is carried out after the adjustment is finished, so that a proper number of weight bearing pieces can be mounted, the applicability of the device is improved, the position of the mounting rod can be adjusted according to the number of the weight bearing pieces, and the situation that the device extends to the outside too much to influence the use during exercise is avoided;

2. according to the utility model, through the arrangement of the convex magnetic block, the concave magnetic block, the locking ring and the first external thread, the loading pieces are convenient to disassemble and assemble quickly, the convenience of disassembling and assembling is improved, the difficulty and the time for disassembling and assembling are reduced, the loading pieces are pre-assembled through the concave-convex magnetic block, the convenience of installation is further improved, and when the loading pieces are clamped in a pressing manner, the loading pieces in each group are prevented from loosening.

Drawings

FIG. 1 is a schematic front cross-sectional view of the present invention;

fig. 2 is an enlarged view of the structure at a in fig. 1 according to the present invention.

In the figure: 1. a primary tube; 2. a through hole; 3. mounting a rod; 4. a first external thread; 5. a clamping hole; 6. a locking bolt; 7. a locking hole; 8. a weight bearing sheet; 9. a raised magnetic block; 10. a concave magnetic block; 11. locking a ring; 12. a mounting ring; 13. a second external thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention is shown: a dumbbell convenient to adjust comprises a main pipe body 1, through holes 2 are symmetrically formed in two ends of the main pipe body 1, mounting rods 3 suitable for the through holes 2 are arranged inside the through holes 2, first external threads 4 are uniformly formed on the outer side walls of the mounting rods 3 at one ends outside the through holes 2, clamping holes 5 are uniformly formed on the outer side walls of the mounting rods 3 at one ends inside the through holes 2, mounting rings 12 are fixedly arranged at two ends of the outer side walls of the main pipe body 1, locking bolts 6 penetrating through the mounting rings 12 are arranged on the mounting rings 12, second external threads 13 are uniformly formed at the bottom ends of the outer side walls of the locking bolts 6, locking holes 7 matched with the second external threads 13 are formed in the inner sides of the mounting rings 12, a plurality of groups of load bearing sheets 8 are arranged on the outer sides of the mounting rods 3, concave magnetic blocks 10 are arranged on the sides, close to the mounting rings 12, of the load bearing sheets 8, and convex magnetic blocks 9 are arranged on the sides, far away from the mounting rings 12, the side of the mounting ring 12 close to the loading piece 8 is provided with a raised magnetic block 9, the raised magnetic blocks 9 are suitable for corresponding concave magnetic blocks 10, and the outer side of the mounting rod 3 is provided with a locking ring 11 in threaded connection with the first external thread 4.

In this implementation: the outside of being responsible for body 1 evenly is provided with the arc recess, and the outside cover of being responsible for body 1 is equipped with rubber antiskid cover, the improvement gripping travelling comfort, and avoid rubber antiskid cover to take place not hard up or translocation in the use, the one end that the fitting pin 6 is close to locking hole 7 all is the toper structure, and the toper structure is fit for with the inboard of locking hole 7, be convenient for twist the inboard of locking hole 7 with fitting pin 6, the outside and the concatenation department of heavy burden piece 8 all are provided with the rubber interlayer, improve the stability of each group of heavy burden piece 8 after hugging closely the installation, the department of holding between the fingers in the locking ring 11 outside all evenly is provided with anti-skidding line, the frictional force is improved, be convenient for hold between the fingers and hold the operation.

The working principle is as follows: before exercise, the locking bolt 6 is rotated to be screwed out of the locking hole 7, the position of the installation rod 3 in the through hole 2 is adjusted, the locking bolt 6 is screwed into the locking hole 7 to achieve locking, so that the installation is suitable for installing a proper number of weight bearing sheets 8, the locking ring 11 is held and rotated, the locking relation between the locking ring 11 and the installation rod 3 is removed, a proper number of weight bearing sheets 8 are selected according to exercise requirements and are connected in series on the outer side of the installation rod 3 side by side, the convex magnetic blocks 9 and the concave magnetic blocks 10 are mutually adsorbed and attached to each other to achieve pre-positioning clamping, the locking ring 11 is screwed through the clamping hole 5 to attach and press the weight bearing sheets 8 tightly, and the content which is not described in detail in the description belongs to the prior art which is well known to a person skilled in the art.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A dumbbell convenient to adjust, including main tubular body (1), its characterized in that: the main pipe is characterized in that through holes (2) are symmetrically formed in two ends of the main pipe body (1), mounting rods (3) suitable for the through holes are arranged in the through holes (2), first external threads (4) are uniformly formed in the outer side walls of the mounting rods (3) at one end of the outer side of the through holes (2), clamping holes (5) are uniformly formed in the outer side walls of the mounting rods (3) at one end of the inner side of the through holes (2), mounting rings (12) are fixedly arranged at two ends of the outer side wall of the main pipe body (1), locking bolts (6) penetrating through the mounting rings (12) are arranged on the mounting rings (12), second external threads (13) are uniformly formed in the bottom ends of the outer side walls of the locking bolts (6), locking holes (7) matched with the second external threads (13) are formed in the inner sides of the mounting rings (12), a plurality of groups of loading pieces (8) are arranged on the outer sides of the mounting rods (3), and concave blocks (10) are arranged on one sides, close to the loading pieces (8), of the mounting rings (12), and heavy burden piece (8) keep away from collar (12) one side and all install protruding magnetic path (9), collar (12) are close to heavy burden piece (8) one side and all install protruding magnetic path (9), and protruding magnetic path (9) all are fit for with corresponding indent magnetic path (10), the installation pole (3) outside all is provided with locking ring (11) with first external screw thread (4) threaded connection.

2. The dumbbell of claim 1, wherein: the outer side of the main pipe body (1) is uniformly provided with arc-shaped grooves, and the outer side of the main pipe body (1) is sleeved with a rubber anti-slip sleeve.

3. The dumbbell of claim 1, wherein: the locking bolt (6) is close to one end of the locking hole (7) and is of a conical structure, and the conical structure is suitable for the inner side of the locking hole (7).

4. The dumbbell of claim 1, wherein: the outer side and the splicing part of the loading piece (8) are both provided with rubber interlayers.

5. The dumbbell of claim 1, wherein: the holding positions on the outer side of the locking ring (11) are uniformly provided with anti-slip lines.