CN213131749U

CN213131749U - Novel weight-adjustable dumbbell

Info

Publication number: CN213131749U
Application number: CN202021989220.9U
Authority: CN
Inventors: 翁高望
Original assignee: Individual
Current assignee: Zhejiang Gongchuang Plastic Co ltd
Priority date: 2020-09-13
Filing date: 2020-09-13
Publication date: 2021-05-07
Anticipated expiration: 2030-09-13
Also published as: DE202021002587U1

Abstract

The utility model discloses a novel weight adjustable dumbbell, including handle and base, the handle end cover is installed at the handle both ends, fixed mounting has the joint piece in the handle end cover, handle end cover movable mounting is on the fixing base the symmetry is provided with the spiral guide way in the through-hole, loose axle one end symmetry is provided with the end commentaries on classics round pin, be provided with the slip hole in the dumbbell piece mount pad, the periphery is provided with the end commentaries on classics groove about the slip hole, the end commentaries on classics round pin is installed in the end commentaries on classics inslot, the loose axle other end is provided with the uide pin, the uide pin is installed in the guide way, and is rotatory the handle can drive the loose. This novel weight adjustable dumbbell, through set up the guide way in the handle, the uide pin of loose axle one end is installed in this guide way because the open slot width of dumbbell piece is greater than the fixed axle external diameter, can lift the dumbbell piece off to accomplish the dismantlement or the installation operation of dumbbell piece.

Description

Novel weight-adjustable dumbbell

Technical Field

The utility model relates to the technical field of equipment, specifically be a novel weight adjustable dumbbell.

Background

The dumbbell is a common and simple fitness apparatus, and is mainly used for being grasped by the hands of a user to strengthen the arms.

However, since the old dumbbells are integrally formed, the weights cannot be changed, and thus, when a user wants to use dumbbells having different weights, the user must purchase a plurality of dumbbells having different weights, which causes problems such as an excessively high amount of money spent and an inconvenience in storage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel weight adjustable dumbbell to the dumbbell of the old type that proposes in solving above-mentioned background art is integrated into one piece, consequently can't change the counter weight, when leading to the user to want to use the dumbbell of different weight, must purchase the dumbbell of a plurality of different weights, and has the technical problem of spending the amount of money too high and the too much scheduling problem of being not convenient for of accomodating of quantity.

In order to achieve the above object, the utility model provides a following technical scheme: a novel weight-adjustable dumbbell comprises a handle and a base, wherein handle end covers are installed at two ends of the handle, clamping pieces are fixedly installed in the handle end covers, the handle end covers are movably installed on a fixed seat, an inner iron plate is installed on the outer side of the fixed seat, an inner dumbbell piece installation seat is installed on the outer side of the inner iron plate, an outer iron plate is installed on the outer side of the dumbbell piece installation seat, the fixed seat, the inner iron plate, the dumbbell piece installation seat and the outer iron plate are fixedly connected through long bolts, a handle balancing weight is installed on the outer side of the outer iron plate, an end cover is installed on the outer side of the handle balancing weight, a fixed shaft penetrates through the inner side of the handle and extends to the outer side of the outer iron plate, the end covers are fixedly connected with the fixed shaft through short bolts, a movable shaft is sleeved on the outer side of the, the utility model discloses a dumbbell piece installation seat, including handle, movable shaft, dumbbell piece mount pad, handle inboard is provided with the through-hole that link up, the symmetry is provided with the spiral guide way in the through-hole, loose axle one end symmetry is provided with the anti-pin that changes, be provided with the slide hole in the dumbbell piece mount pad, the periphery is provided with the anti-groove about the slide hole, the anti-pin is installed in the anti-groove that changes, the loose axle other end is provided with the guide pin, the guide pin is installed in the guide way, and is rotatory the handle can drive the loose.

Preferably, the locking piece is installed to the fixing base lower extreme, the spring is installed to the locking piece upper end, evenly distributed has a plurality of locking grooves on the joint piece, the locking piece card inserts locking inslot can restrict handle, handle end cover and joint piece are rotatory.

Preferably, a plurality of dumbbell pieces are detachably mounted in the dumbbell piece mounting seat, a mounting hole is formed in the middle of each dumbbell piece, an open slot is formed in the upper end of each mounting hole, the aperture of each mounting hole is the same as the outer diameter of the movable shaft, and the width of each open slot is larger than the outer diameter of the fixed shaft.

Preferably, the middle part of the inner side of the handle is provided with a limiting ring, and the inner diameter of the handle is larger than the outer diameter of the movable shaft.

Preferably, fixed pins are arranged at two ends of the fixed shaft, pin holes are formed in the middle of the outer iron disc, and the fixed pins are matched with the pin holes.

Preferably, a raised thimble is arranged on the base corresponding to the locking block, and the thimble can jack the locking block to separate from the locking groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the novel weight-adjustable dumbbell, the guide groove is formed in the handle, the guide pin at one end of the movable shaft is installed in the guide groove, the rotation stopping pin at the other end of the movable shaft is arranged in the rotation stopping groove, the movable shaft cannot rotate, when the handle is rotated, the guide groove in the handle can pull the movable shaft to move leftwards or rightwards, and after the movable shaft moves towards the handle direction, the dumbbell sheet can be detached due to the fact that the width of an open slot of the dumbbell sheet is larger than the outer diameter of the fixed shaft, so that the dumbbell sheet can be detached or installed;

2. in the novel weight-adjustable dumbbell, the locking block arranged at the lower end of the fixing seat is clamped and connected into the locking groove of the clamping sheet under the action of the spring, at the moment, the clamping sheet is fixedly connected with the handle and the handle end cover, so that the handle cannot rotate, the dumbbell sheet is prevented from falling off in use of the dumbbell, the middle part of the dumbbell sheet is provided with the mounting hole, the aperture of the mounting hole is the same as the outer diameter of the movable shaft, the dumbbell sheet can be ensured to be firmly fixed in the dumbbell sheet mounting seat, the upper end of the mounting hole is provided with the open slot, the width of the open slot is larger than the outer diameter of the fixed shaft, the dumbbell sheet can be smoothly dismounted after the movable shaft moves towards the handle, the middle part of the inner side of the handle is provided with the limit ring, the two movable shafts can be prevented from colliding after moving, the inner diameter of the, the fixed shaft is in pin joint fit with the outer iron plate, when the handle can be prevented from rotating, the fixed shaft rotates along with the rotation, a raised ejector pin is arranged at the position, corresponding to the locking block, on the base, the ejector pin can jack the locking block to enable the locking block to be separated from a locking groove, so that the dumbbell can be placed into the base, the locking block can be unlocked for the rotation of the handle, the handle can be rotated, and the dumbbell piece can be detached or installed.

Drawings

FIG. 1 is a schematic view of the overall structure of the dumbbell of the present invention;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the dumbbell of the present invention;

FIG. 4 is a schematic diagram of the explosion structure of the dumbbell of the present invention;

FIG. 5 is a perspective view of the handle of the present invention;

FIG. 6 is a schematic view of the movable shaft structure of the present invention;

FIG. 7 is a schematic view of the dumbbell sheet of the present invention;

FIG. 8 is a schematic structural view of the dumbbell mounting seat of the present invention;

fig. 9 is a schematic structural view of the clip sheet of the present invention;

fig. 10 is a schematic view of the structure of the fixing shaft of the present invention;

fig. 11 is a schematic structural view of the outer iron plate of the present invention.

In the figure: 1. a handle; 101. a limiting ring; 102. a guide groove; 2. a handle end cap; 3. a clip sheet; 301. a locking groove; 4. a fixed seat; 5. an inner iron plate; 6. a dumbbell sheet mounting seat; 601. a slide hole; 602. a rotation stopping groove; 7. an outer iron plate; 701. a pin hole; 8. a handle counterweight block; 9. an end cap; 10. a movable shaft; 1001. a rotation stopping pin; 1002. a guide pin; 11. a fixed shaft; 1101. a fixing pin; 12. a locking block; 13. a spring; 14. a long bolt; 15. a dumbbell sheet; 151. mounting holes; 152. an open slot; 16. a short bolt; 17. a base; 171. and (4) a thimble.

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.

Referring to fig. 1-11, the present invention provides a technical solution: a novel weight-adjustable dumbbell comprises a handle 1 and a base 17, wherein handle end covers 2 are arranged at two ends of the handle 1, clamping pieces 3 are fixedly arranged in the handle end covers 2, the handle end covers 2 are movably arranged on a fixed seat 4, an inner iron plate 5 is arranged at the outer side of the fixed seat 4, an inner dumbbell sheet mounting seat 6 is arranged at the outer side of the inner iron plate 5, an outer iron plate 7 is arranged at the outer side of the dumbbell sheet mounting seat 6, the fixed seat 4, the inner iron plate 5, the dumbbell sheet mounting seat 6 and the outer iron plate 7 are fixedly connected through long bolts 14, a handle balancing weight 8 is arranged at the outer side of the outer iron plate 7, an end cover 9 is arranged at the outer side of the handle balancing weight 8, a fixed shaft 11 is arranged at the inner side of the handle 1 in a penetrating manner, the fixed shaft 11 extends to the outer iron plate 7, the end cover 9 is fixedly connected with the fixed shaft 11 through short bolts, the inner side of the handle 1 is provided with a through hole, the through hole is symmetrically provided with a spiral guide groove 102, one end of the movable shaft 10 is symmetrically provided with a rotation stopping pin 1001, the dumbbell sheet mounting seat 6 is provided with a sliding hole 601, the upper and lower circumferential surfaces of the sliding hole 601 are provided with rotation stopping grooves 602, the rotation stopping pin 1001 is arranged in the rotation stopping groove 602, the other end of the movable shaft 10 is provided with a guide pin 1002, the guide pin 1002 is arranged in the guide groove 102, the movable shaft 10 can be driven to move leftwards or rightwards by the rotating handle 1, the guide pin at one end of the movable shaft is arranged in the guide groove, the rotation stopping pin at the other end of the movable shaft is arranged in the rotation stopping groove, the movable shaft can not rotate, when the handle is rotated, the guide groove in the handle can pull the movable shaft to move leftwards or rightwards, when the movable shaft moves towards the handle, because the, the dumbbell sheet can be detached, so that the operation of detaching or installing the dumbbell sheet is completed.

Further, locking block 12 is installed to 4 lower extremes of fixing base, spring 13 is installed to 12 upper ends of locking block, evenly distributed has a plurality of locking grooves 301 on the joint piece 3, locking block 12 joint is gone into in the locking groove 301, can restrict handle 1, handle end cover 2 and joint piece 3 are rotatory, the locking block of fixing base lower extreme installation is under the spring action power, make the locking block joint insert the locking inslot of joint piece, because joint piece and handle end cover fixed connection this moment, so the handle can't rotate, thereby prevent that the dumbbell piece from droing in the dumbbell use.

Further, a plurality of dumbbell pieces 15 are detachably installed in the dumbbell piece mounting seat 6, a mounting hole 151 is formed in the middle of each dumbbell piece 15, an open slot 152 is formed in the upper end of each mounting hole 151, the aperture of each mounting hole 151 is identical to the outer diameter of the movable shaft 10, the width of each open slot 152 is larger than the outer diameter of the corresponding fixed shaft 11, a mounting hole is formed in the middle of each dumbbell piece, the aperture of each mounting hole is identical to the outer diameter of the corresponding movable shaft, the dumbbell pieces can be guaranteed to be firmly fixed in the dumbbell piece mounting seat, an open slot is formed in the upper end of each mounting hole, the width of each open slot is larger than the outer diameter of the corresponding fixed shaft.

Further, the middle part of the inner side of the handle 1 is provided with a limiting ring 101, the inner diameter of the handle 1 is larger than the outer diameter of the movable shaft 10, the limiting ring arranged at the middle part of the inner side of the handle can prevent the movable shaft from colliding after the two movable shafts move in the process of rotating the handle, the inner diameter of the handle is larger than the outer diameter of the movable shaft, a gap exists between the handle and the movable shaft, and the movable shaft can be guaranteed to move smoothly.

Further, fixing pins 1101 are arranged at two ends of the fixing shaft 11, pin holes 701 are formed in the middle of the outer iron plate 7, the fixing pins 1101 are matched with the pin holes 701, the fixing shaft is in pin joint matching with the outer iron plate, and therefore the fixing shaft can be prevented from rotating along with the handle when the handle is rotated.

Furthermore, a raised thimble 171 is arranged on the base 17 corresponding to the locking block 12, the thimble 171 can jack up the locking block 12 to separate the locking block from the locking groove 301, the raised thimble is arranged on the base corresponding to the locking block, and the thimble can jack up the locking block to separate the locking block from the locking groove, so that the rotary locking of the locking block on the handle can be released after the dumbbell is put into the base, the handle can be rotated, and the disassembly or installation operation of the dumbbell piece can be completed.

The working principle is as follows: firstly, a guide groove 102 is arranged in a handle 1, a guide pin 1002 at one end of a movable shaft 10 is arranged in the guide groove 102, a rotation stopping pin 1001 at the other end of the movable shaft 10 is arranged in a rotation stopping groove 602, the movable shaft 10 can not rotate, when the handle 1 is rotated, the guide groove 102 in the handle 1 can pull the movable shaft 10 to move leftwards or rightwards, when the movable shaft 10 moves towards the handle 1, the dumbbell sheet 15 can be dismounted because the width of an open groove 152 of the dumbbell sheet 15 is larger than the outer diameter of a fixed shaft 11, so that the dismounting or mounting operation of the dumbbell sheet 15 is finished, a locking block 12 arranged at the lower end of a fixed seat 4 is clamped in a locking groove 301 of a clamping sheet 3 under the action force of a spring 13, at the moment, the clamping sheet 3 is fixedly connected with the handle 1 and a handle end cover 2, so that the handle 1 cannot rotate, the dumbbell sheet is prevented from falling off in use, a raised thimble 171 is arranged on a base 17 corresponding to, the thimble 171 can jack up the locking block 12 to separate from the locking groove 301, so that after the dumbbell is put into the base, the rotation locking of the locking block 12 on the handle 1 can be released, that is, the handle 1 can be rotated, and the operation of detaching or installing the dumbbell piece 15 is completed.

In the embodiments of the present application, the descriptions of the directional terms such as "front", "back", "left" and "right" are only described according to the directions shown in the drawings shown in the present application, and are not limited to the scope of the claims of the present application, and in the specific implementation process, other similar or similar embodiments may be obtained by correspondingly modifying the embodiments according to the embodiments, and all of the embodiments are within the scope of the present application, and the descriptions of the other similar or similar embodiments are not repeated in the present application.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 by those of ordinary skill in the art through specific situations.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A novel weight adjustable dumbbell, includes handle (1) and base (17), its characterized in that: the handle is characterized in that handle end covers (2) are installed at two ends of a handle (1), clamping pieces (3) are fixedly installed in the handle end covers (2), the handle end covers (2) are movably installed on a fixing seat (4), an inner iron plate (5) is installed on the outer side of the fixing seat (4), an inner dumbbell plate installing seat (6) is installed on the outer side of the inner iron plate (5), an outer iron plate (7) is installed on the outer side of the dumbbell plate installing seat (6), the fixing seat (4), the inner iron plate (5), the dumbbell plate installing seat (6) and the outer iron plate (7) are fixedly connected through long bolts (14), a handle balancing weight (8) is installed on the outer side of the outer iron plate (7), an end cover (9) is installed on the outer side of the handle balancing weight (8), a fixing shaft (11) is installed on the inner side of the handle (1) in a penetrating manner, and the fixing shaft (, the end cover (9) is fixedly connected with the fixed shaft (11) through a short bolt (16), the outer side of the fixed shaft (11) is sleeved with a movable shaft (10), the movable shaft (10) can move between the fixed shaft (11) and the handle (1), a through hole is arranged on the inner side of the handle (1), spiral guide grooves (102) are symmetrically arranged in the through hole, one end of the movable shaft (10) is symmetrically provided with a rotation stopping pin (1001), the dumbbell sheet mounting seat (6) is internally provided with a sliding hole (601), the upper and lower circumferential surfaces of the sliding hole (601) are provided with a rotation stopping groove (602), the rotation stopping pin (1001) is arranged in the rotation stopping groove (602), the other end of the movable shaft (10) is provided with a guide pin (1002), the guide pin (1002) is installed in the guide groove (102), and the handle (1) is rotated to drive the movable shaft (10) to move leftwards or rightwards.

2. The novel weight-adjustable dumbbell of claim 1, characterized in that: locking piece (12) are installed to fixing base (4) lower extreme, spring (13) are installed to locking piece (12) upper end, evenly distributed has a plurality of locking grooves (301) on joint piece (3), locking piece (12) joint income locking inslot (301) can restrict handle (1), handle end cover (2) and joint piece (3) are rotatory.

3. The novel weight-adjustable dumbbell of claim 1, characterized in that: a plurality of dumbbell pieces (15) are detachably installed in the dumbbell piece installation seat (6), installation holes (151) are formed in the middle of the dumbbell pieces (15), open grooves (152) are formed in the upper ends of the installation holes (151), the aperture of each installation hole (151) is identical to the outer diameter of the movable shaft (10), and the width of each open groove (152) is larger than the outer diameter of the fixed shaft (11).

4. The novel weight-adjustable dumbbell of claim 1, characterized in that: the middle part of the inner side of the handle (1) is provided with a limiting ring (101), and the inner diameter of the handle (1) is larger than the outer diameter of the movable shaft (10).

5. The novel weight-adjustable dumbbell of claim 1, characterized in that: fixed axle (11) both ends are provided with fixed pin (1101), outer iron disc (7) middle part is provided with pinhole (701), fixed pin (1101) cooperatees with pinhole (701).

6. The novel weight-adjustable dumbbell of claim 1, characterized in that: a raised thimble (171) is arranged on the base (17) corresponding to the locking block (12), and the thimble (171) can jack up the locking block (12) to separate from the locking groove (301).