CN212347551U

CN212347551U - Weight-adjustable dumbbell

Info

Publication number: CN212347551U
Application number: CN202022475800.2U
Authority: CN
Inventors: 翁高望
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-24
Filing date: 2020-10-31
Publication date: 2021-01-15
Anticipated expiration: 2030-10-31
Also published as: CN112386862A

Abstract

The utility model discloses a weight adjustable dumbbell, include dumbbell subassembly, dumbbell seat and place in a plurality of dumbbell pieces of dumbbell seat both sides, dumbbell subassembly includes handle assembly, sets up in the tailstock subassembly and two swing joint in the slider at handle assembly both ends of handle assembly both sides, and is rotatory handle assembly can drive the slider at the inslot sliding motion that splines. Through set up the guide way in the handle pipe, the guide block of slider one end is installed in this guide way, the rotation stopping block of the other end of slider sets up in the rotation stopping inslot, the slider is nonrotatable, the guide way in the handle pipe can pull the slider and move left or right, after the slider moved to the handle direction, because the open slot width of dumbbell piece is greater than the fixed axle external diameter, can lift off in the fixed orifices that the dumbbell piece slider moved the dumbbell piece, because the open slot width of dumbbell piece is less than the slider diameter, be fixed in the dumbbell piece on the dumbbell subassembly, thereby accomplish the dismantlement or the installation operation of dumbbell piece.

Description

Weight-adjustable dumbbell

Technical Field

The utility model relates to a body-building equipment technical field specifically is a 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

An object of the utility model is to provide a 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 who spends the amount of money too high and be convenient for to accomodate in excessive quantity.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a weight-adjustable dumbbell, includes dumbbell subassembly, dumbbell seat and places in a plurality of dumbbell pieces of dumbbell seat both sides, dumbbell subassembly includes handle components, sets up in the tailstock subassembly of handle components both sides and two swing joint in the slider at handle components both ends, handle components rotates and connects between two tailstock subassemblies, handle components includes the handle pipe, the handle pipe is hollow pipe fitting, and its inner wall is provided with two spiral shell to opposite guide way, the slider includes the pipe box, the one end that the pipe box is close handle components is provided with the guide block, and its other end is provided with the rotation stopping block, the rotation stopping groove has been seted up on the tailstock subassembly, guide block slidable mounting is in the guide way, the rotation stopping block is installed in the rotation stopping groove, and is rotatory handle components can drive the slider at the sliding movement in the rotation stopping groove.

Preferably, the tailstock assembly comprises a tailstock rear cover provided with a rotation stopping groove and a fixing shaft penetrating through the inside of the handle pipe, a fixing hole for inserting the sliding piece is formed in the middle of the dumbbell sheet, an open slot communicated with the fixing hole is formed in the upper end of the fixing hole, the width of the open slot is smaller than the diameter of the sliding piece, and the width of the open slot is larger than the diameter of the fixing shaft.

Preferably, the handle subassembly including can with the synchronous pivoted spacing iron plate of handle pipe, spacing iron plate and handle pipe bolted connection, spacing iron plate outside fixedly connected with rotary disk, the rotary disk is ring shape, and the ring is equipped with a plurality of spacing grooves in it, the tailstock subassembly includes tailstock protecgulum and tailstock inner cup, spacing iron plate and rotary disk set up between tailstock protecgulum and tailstock inner cup, tailstock inner cup lower extreme sliding connection has the retainer, the retainer can be gone into the spacing groove and rotate with the relative tailstock subassembly of restriction handle subassembly.

Preferably, the lower end of the inner cover of the tailstock is provided with a mounting groove, the stop piece is movably mounted in the mounting groove, and a return spring for forcing the stop piece to be pressed into the limiting groove is mounted between the stop piece and the mounting groove.

Preferably, a protrusion is arranged on the dumbbell seat corresponding to the mounting groove to force the stopper to be separated from the limiting groove.

Preferably, the fixed axle both ends are provided with the incision, the tailstock subassembly is still including locating the fixed plate and the tailstock end cover in the tailstock back lid outside, the fixed plate middle part is provided with the pinhole, pinhole and incision shape phase-match.

Preferably, the outer wall of the tail frame rear cover is provided with a limiting convex edge for blocking two adjacent dumbbell pieces.

Preferably, the dumbbell pieces are arranged in the dumbbell seat in pairs, and the weight of the plurality of paired dumbbell pieces is gradually reduced from inside to outside.

Preferably, the two ends of the outer side of the handle pipe are marked with weight scales in a surrounding mode, and the indicating groove for aligning the weight scales to indicate the adjusted weight is marked on the front cover of the tailstock.

Preferably, the upper end of the tail frame rear cover is provided with a fan-shaped installation cavity, and a balancing weight is installed in the installation cavity.

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

1. according to the weight-adjustable dumbbell, the guide groove is formed in the handle tube, the guide block at one end of the slider is installed in the guide groove, the rotation stopping block at the other end of the slider is arranged in the rotation stopping groove, the slider cannot rotate, when the handle tube is rotated, the guide groove in the handle tube can pull the slider to move leftwards or rightwards, after the slider moves towards the handle direction, the dumbbell sheet can be dismounted as the width of an open slot of the dumbbell sheet is larger than the outer diameter of the fixed shaft, after the slider moves away from the handle direction, the slider moves into the fixed hole of the dumbbell sheet, and as the width of the open slot of the dumbbell sheet is smaller than the diameter of the slider, the dumbbell sheet can be fixed on the dumbbell assembly, so that the dismounting or mounting operation of the dumbbell sheet is;

2. the weight-adjustable dumbbell is characterized in that a retainer arranged in a mounting groove at the lower end of an inner cover of a tail frame is clamped into a limiting groove of a rotating disc under the action of a reset spring, the rotating disc, a limiting iron plate and a handle tube are synchronously and rotatably connected at the moment, so that a handle cannot rotate, the dumbbell is prevented from falling off when the dumbbell is used, an ejector pin arranged on a dumbbell seat jacks up the retainer when a dumbbell component is placed in the dumbbell seat, the reset spring is compressed, the retainer is separated from the limiting groove, the handle can be rotated at the moment, so that a slider is driven to move, the assembly or disassembly of the dumbbell is completed, a pin hole in the middle of a fixing plate is matched and connected with notches at two ends of a fixing shaft, when the dumbbell component is placed in the dumbbell seat, the tail frame component is in a fixed state and can not rotate, and the fixing shaft is prevented from, the spacing bead that sets up on the outer wall of the tail stock back cover can prevent that dumbbell piece installation back horizontal slip from droing, prevent dumbbell piece collision each other simultaneously, dumbbell piece weight reduces by inside to outside gradually, can obtain bigger weight control range, handle pipe outside both ends are encircleed and are carved with the weight scale, it has the instruction groove to be stamped on the tail stock front cover, just when the weight scale aligns with the instruction groove, can correspond lift off or install a dumbbell piece that corresponds weight, install the balancing weight in the fan-shaped installation cavity of the tail stock back cover upper end setting, play the effect of balance and weight gain.

Drawings

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

FIG. 4 is a schematic view of the split structure of the present invention;

FIG. 5 is a schematic view of the overall explosion structure of the present invention;

FIG. 6 is a perspective view of the handle tube of the present invention;

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

fig. 8 is a schematic view of the structure of the tail frame rear cover of the present invention.

In the figure: 10. a dumbbell component; 1. a handle assembly; 101. a handle tube; 1011. a guide groove; 102. a limiting iron plate; 103. rotating the disc; 1031. a limiting groove; 104. a stopper; 105. a return spring; 2. a tailstock assembly; 201. a tailstock front cover; 202. an inner cover of the tailstock; 2021. mounting grooves; 203. a tailstock rear cover; 2031. a rotation stopping groove; 2032. a limiting convex rib; 2033. a mounting cavity; 204. a tailstock end cover; 205. a fixing plate; 2051. a pin hole; 206. a fixed shaft; 2061. cutting; 207. a balancing weight; 3. a slider; 301. pipe sleeve; 302. a guide block; 303. a rotation stopping block; 4. a dumbbell sheet; 401. a fixing hole; 402. an open slot; 5. a dumbbell seat; 51. 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. 1-8, the present invention provides a technical solution: a weight-adjustable dumbbell comprises a dumbbell component 10, a dumbbell seat 5 and a plurality of dumbbell sheets 4 arranged on two sides of the dumbbell seat 5, wherein the dumbbell component 10 comprises a handle component 1, tailstock components 2 arranged on two sides of the handle component 1 and two sliders 3 movably connected to two ends of the handle component 1, the handle component 1 is rotatably connected between the two tailstock components 2, the handle component 1 comprises a handle pipe 101, the handle pipe 101 is a hollow pipe fitting, the inner wall of which is provided with two guide slots 1011 with opposite screw directions, the sliding member 3 comprises a sleeve 301, one end of the sleeve 301 close to the handle assembly 1 is provided with a guide block 302, the other end of the tail frame component is provided with a rotation stopping block 303, a rotation stopping groove 2031 is formed in the tail frame component 2, the guide block 302 is slidably mounted in the guide groove 1011, the rotation stopping block 303 is mounted in the rotation stopping groove 2031, and the rotating handle component 1 can drive the sliding piece 3 to slide in the rotation stopping groove 2031.

Furthermore, the tailstock assembly 2 comprises a tailstock rear cover 203 provided with a rotation stopping groove 2031 and a fixed shaft 206 penetrating the handle tube 101, the middle part of the dumbbell sheet 4 is provided with a fixed hole 401 for inserting the sliding piece 3, the upper end of the fixed hole 401 is provided with an open slot 402 communicated with the fixed hole, the width of the open slot 402 is smaller than that of the sliding piece 3, the width of the open slot 402 is larger than that of the fixed shaft 206, the guide groove is arranged in the handle tube, a guide block at one end of the sliding piece is arranged in the guide groove, a rotation stopping block at the other end of the sliding piece is arranged in the rotation stopping groove, the sliding piece can not rotate, when the handle tube is rotated, the guide groove in the handle tube can pull the sliding piece to move leftwards or rightwards, when the sliding piece moves towards the handle direction, because the width of the open slot of the dumbbell sheet is larger than the outer diameter of the fixed, the sliding piece moves into the fixing hole of the dumbbell sheet, and the dumbbell sheet can be fixed on the dumbbell assembly due to the fact that the width of the opening groove of the dumbbell sheet is smaller than the diameter of the sliding piece, and therefore the dumbbell sheet can be detached or installed.

Further, handle component 1 includes the spacing iron plate 102 that can rotate with handle pipe 101 is synchronous, spacing iron plate 102 and handle pipe 101 bolted connection, spacing iron plate 102 outside fixedly connected with rotary disk 103, rotary disk 103 is the ring shape, the ring is equipped with a plurality of spacing grooves 1031 in it, tailstock component 2 includes tailstock protecgulum 201 and tailstock inner cup 202, spacing iron plate 102 sets up between tailstock protecgulum 201 and tailstock inner cup 202 with rotary disk 103, tailstock inner cup 202 lower extreme sliding connection has stopper 104, stopper 104 can block into spacing groove 1031 and rotate with the relative tailstock component 2 of restriction handle component 1.

Further, the lower end of the tail frame inner cover 202 is provided with a mounting groove 2021, the stopper 104 is movably mounted in the mounting groove 2021, a return spring 105 forcing the stopper 104 to be pressed into the limiting groove 1031 is mounted between the stopper 104 and the mounting groove 2021, the stopper mounted in the mounting groove at the lower end of the tail frame inner cover enables the stopper to be clamped into the limiting groove of the rotating disk under the action of the return spring, and at the moment, the rotating disk, the limiting iron plate and the handle tube are synchronously and rotatably connected, so that the handle cannot rotate, and the dumbbell piece is prevented from falling off when the dumbbell is used.

Furthermore, the ejector pin 51 is arranged on the dumbbell seat 5 corresponding to the mounting groove 2021 and protrudes to force the stopper 104 to be separated from the limiting groove 1031, the ejector pin is arranged on the dumbbell seat, after the dumbbell component is placed in the dumbbell seat, the ejector pin jacks up the stopper, the reset spring is compressed, the stopper is separated from the limiting groove, the handle can be rotated at the moment, and therefore the slider is driven to move, and the dumbbell piece assembling or disassembling work is completed.

Further, both ends of the fixed shaft 206 are provided with notches 2061, the tailstock assembly 2 further comprises a fixed plate 205 and a tailstock end cover 204 which are arranged on the outer side of the tailstock rear cover 203, a pin hole 2051 is formed in the middle of the fixed plate 205, the pin hole 2051 is matched with the notches 2061 in shape, the pin hole in the middle of the fixed plate is connected with the notches at both ends of the fixed shaft in a matching manner, when the dumbbell seat is placed into the dumbbell assembly, the tailstock assembly is in a fixed state and cannot rotate, and the fixed shaft is prevented from rotating along with the dumbbell seat when the handle assembly is.

Furthermore, the outer wall of the tail frame rear cover 203 is provided with a limiting convex edge 2032 for separating two adjacent dumbbell pieces 4, and the limiting convex edge arranged on the outer wall of the tail frame rear cover can prevent the dumbbell pieces from sliding left and right after being installed and falling off and prevent the dumbbell pieces from colliding with each other.

Furthermore, the dumbbell pieces 4 are arranged in the dumbbell seat 5 in pairs, the weight of the dumbbell pieces 4 in pairs is gradually reduced from inside to outside, and the weight of the dumbbell pieces is gradually reduced from inside to outside, so that a larger weight adjusting range can be obtained.

Furthermore, the two ends of the outer side of the handle tube 101 are marked with weight scales in a surrounding mode, an indicating groove for aligning the weight scales to indicate the adjusted weight is marked on the tailstock front cover 201, the two ends of the outer side of the handle tube are marked with the weight scales in a surrounding mode, the indicating groove is marked on the tailstock front cover, and when the weight scales are just aligned with the indicating groove, the dumbbell piece with the corresponding weight can be correspondingly detached or installed.

Further, the upper end of the tail frame rear cover 203 is provided with a fan-shaped installation cavity 2033, a balancing weight 207 is installed in the installation cavity 2033, and the balancing weight is installed in the fan-shaped installation cavity arranged at the upper end of the tail frame rear cover to play a role in balancing and weight increasing.

The working principle is as follows: firstly, a guide slot 1011 is arranged in the handle tube 101, a guide block 302 at one end of the sliding piece 3 is arranged in the guide slot 1011, a rotation stopping block 303 at the other end of the sliding piece 3 is arranged in a rotation stopping slot 2031, the sliding piece 3 is not rotatable, when the handle tube 101 is rotated, the guide slot 1011 in the handle tube 101 can pull the sliding piece 3 to move leftwards or rightwards, when the sliding piece 3 moves towards the handle tube 101, the dumbbell piece 4 can be detached because the width of the opening slot 402 of the dumbbell piece 4 is larger than the outer diameter of the fixed shaft 206, so as to complete the detaching or attaching operation of the dumbbell piece 4, the retainer 104 arranged at the lower end of the tail frame inner cover 202 is clamped in the limit slot 1031 of the rotating disc 103 under the action of the reset spring 105, at the moment, the rotating disc 103, the handle tube 101 and the limit iron plate 102 are synchronously and rotatably connected, so that the handle tube 101 cannot rotate, thereby, the dumbbell seat 5 is provided with a raised thimble 51 corresponding to the stopper 104, and the thimble 51 can jack up the stopper 104 to separate from the limiting groove 1031, so that after the dumbbell is put into the seat, the rotation lock of the stopper 104 on the handle tube 101 can be released, that is, the handle tube 101 can be rotated, and the operation of detaching or installing the dumbbell piece 4 can be 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. The utility model provides a weight adjustable dumbbell, includes dumbbell subassembly (10), dumbbell seat (5) and places in a plurality of dumbbell pieces (4) of dumbbell seat (5) both sides, its characterized in that: the dumbbell component (10) comprises a handle component (1), tailstock components (2) arranged on two sides of the handle component (1) and two sliding parts (3) movably connected to two ends of the handle component (1), the handle component (1) is rotatably connected between the two tailstock components (2), the handle component (1) comprises a handle pipe (101), the handle pipe (101) is a hollow pipe fitting, two guide grooves (1011) with opposite spiral directions are formed in the inner wall of the handle pipe, the sliding parts (3) comprise a pipe sleeve (301), one end, close to the handle component (1), of the pipe sleeve (301) is provided with a guide block (302), the other end of the pipe sleeve is provided with a rotation stopping block (303), the tailstock component (2) is provided with the rotation stopping groove (2031), the guide block (302) is slidably installed in the guide groove (1011), the rotation stopping block (303) is installed in the rotation stopping groove (2031), the handle assembly (1) is rotated to drive the sliding piece (3) to slide in the rotation stopping groove (2031).

2. The weight-adjustable dumbbell of claim 1, wherein: tailstock subassembly (2) including offer tailstock back lid (203) of groove (2031) and run through fixed axle (206) of locating in handle pipe (101) that ends, dumbbell piece (4) middle part is provided with and supplies slider (3) male fixed orifices (401), fixed orifices (401) upper end is provided with rather than communicating open slot (402), the width of open slot (402) is less than the diameter of slider (3), the width of open slot (402) is greater than the diameter of fixed axle (206).

3. The weight-adjustable dumbbell of claim 1, wherein: handle subassembly (1) including can with handle pipe (101) synchronous rotation's spacing iron plate (102), spacing iron plate (102) and handle pipe (101) bolted connection, spacing iron plate (102) outside fixedly connected with rotary disk (103), rotary disk (103) are the ring shape, and its interior ring is equipped with a plurality of spacing grooves (1031), tailstock subassembly (2) are including tailstock protecgulum (201) and tailstock inner cup (202), spacing iron plate (102) and rotary disk (103) set up between tailstock protecgulum (201) and tailstock inner cup (202), tailstock inner cup (202) lower extreme sliding connection has stopper (104), stopper (104) can block into spacing groove (1031) and rotate with relative tailstock subassembly (2) of restriction handle subassembly (1).

4. The weight-adjustable dumbbell of claim 3, wherein: the lower end of the tail frame inner cover (202) is provided with a mounting groove (2021), the stopper (104) is movably mounted in the mounting groove (2021), and a return spring (105) for forcing the stopper (104) to be pressed into the limiting groove (1031) is mounted between the stopper (104) and the mounting groove (2021).

5. The weight-adjustable dumbbell of claim 4, wherein: and a thimble (51) which is provided with a bulge corresponding to the mounting groove (2021) on the dumbbell seat (5) and is used for forcing the stopper (104) to be separated from the limiting groove (1031).

6. The weight-adjustable dumbbell of claim 2, wherein: the improved tailstock is characterized in that notches (2061) are formed in two ends of the fixed shaft (206), the tailstock assembly (2) further comprises a fixed plate (205) and a tailstock end cover (204), the fixed plate (205) is arranged on the outer side of the tailstock rear cover (203), a pin hole (2051) is formed in the middle of the fixed plate (205), and the pin hole (2051) is matched with the notches (2061) in shape.

7. The weight-adjustable dumbbell of claim 2, wherein: and a limiting convex ridge (2032) for separating two adjacent dumbbell pieces (4) is arranged on the outer wall of the tailstock rear cover (203).

8. The weight-adjustable dumbbell of claim 1, wherein: the dumbbell pieces (4) are arranged in the dumbbell seat (5) in pairs, and the weight of the dumbbell pieces (4) in pairs is gradually reduced from inside to outside.

9. The weight-adjustable dumbbell of claim 3, wherein: the weight scales are marked at two ends of the outer side of the handle tube (101) in a surrounding mode, and an indicating groove for aligning the weight scales to indicate the adjusted weight is marked on the tailstock front cover (201).

10. The weight-adjustable dumbbell of claim 2, wherein: the upper end of the tailstock rear cover (203) is provided with a fan-shaped installation cavity (2033), and a balancing weight (207) is installed in the installation cavity (2033).