CN218980355U - Adjustable balance weight dumbbell - Google Patents

Abstract

The utility model discloses an adjustable balance weight dumbbell, which comprises a handle, a rotating disc, a fixed sheet, dumbbell pieces and a balance weight adjusting mechanism, wherein the balance weight adjusting mechanism comprises a telescopic rod which is arranged in the handle in a sliding way and an adjusting ring which is sleeved on the handle and limited by the fixed disc, the telescopic rod is in axial sliding fit with the fixed sheet, a return slideway which is consistent with the dumbbell pieces in number and is mutually connected in series is arranged on the telescopic rod, an adjusting pin which penetrates through the handle and is matched with the return slideway is arranged on the adjusting ring, and a torsion spring which is in rotary reset is arranged between the rotating disc and the fixed disc; when the handle is rotated in the forward direction or the reverse direction, the handle pushes the telescopic rod outwards or inwards along the return-shaped slideway through the adjusting pin to realize hanging increasing or dumbbell piece holding. After adopting this structure, have simple structure reasonable, the counter weight is adjusted nimble light, advantage such as counter weight operation can be accomplished to the singlehanded.

Description

Adjustable balance weight dumbbell

Technical Field

The utility model relates to the technical field of exercise fitness equipment, in particular to an adjustable counter weight dumbbell capable of adjusting the weight of the dumbbell by rotating a handle forward and backward by one hand.

Background

The dumbbell is a traditional exercise body-building equipment which is deeply liked by a large number of body-building persons, the dumbbell weight can not be changed in an early stage, the body-building person can purchase a plurality of dumbbell with different weights in order to meet the requirements of different weights, the problems of high purchase cost, unfavorable storage and the like exist, and the dumbbell is basically eliminated. Later, the dumbbell adopts and overlaps at dumbbell pole both ends and establishes a plurality of dumbbell pieces, the fixed structure of reuse lock nut, and dumbbell counter weight is adjusted and is required to dismantle lock nut, and the counter weight is adjusted to the dumbbell piece of assembling one by one again, and unnecessary dumbbell piece is put in disorder everywhere, and counter weight regulation speed is slow, and the training place is disordered, and operation is used inconveniently.

In order to facilitate balance weight adjustment of the dumbbell and directly obtain balance weight, chinese patent grant publication No. CN214344158U discloses an adjustable dumbbell handle structure, through a rotary central tube, a first screw shaft and a second screw shaft on two sides extend towards two sides simultaneously by means of a screw rod structure, a weight piece is hung on the first screw shaft and the second screw shaft, a semicircular weight piece can be hung on a telescopic clamping piece, and the weight of the dumbbell can be easily increased or decreased by matching the weight piece with the semicircular weight piece with the initial weight piece on two sides. The structure also has the following problems in the use process: the telescopic adjusting structure is too complex to be further improved. For this reason, many manufacturers and knowledgeable individuals develop and develop them, but no ideal product has been developed so far.

Disclosure of Invention

In order to overcome the problems in the prior art, the utility model aims to provide the adjustable balance weight dumbbell which is simple and reasonable in structure, flexible and portable in balance weight adjustment and capable of achieving balance weight operation by one hand.

The utility model solves the technical problems, which adopts the technical proposal that the utility model comprises a handle, rotating discs fixedly connected at both sides of the handle, fixed discs and fixed sheets which are arranged at both ends of the handle and mutually fixed, dumbbell sheets which are hung with the fixed sheets, and counterweight adjusting mechanisms arranged at both sides of the handle, wherein the counterweight adjusting mechanisms comprise telescopic rods which are arranged in the handle in a sliding way and adjusting rings which are sleeved on the handle and are limited by the fixed discs, the telescopic rods are in axial sliding fit with the fixed sheets, the telescopic rods are provided with circular slideways which are consistent with the dumbbell sheets in number and mutually connected in series, the adjusting rings are provided with adjusting pins which pass through the handle and are matched with the circular slideways, and torsion springs for rotating and resetting are arranged between the rotating discs and the fixed discs; when the handle is rotated in the forward direction or the reverse direction, the handle pushes the telescopic rod outwards or inwards along the return-shaped slideway through the adjusting pin to realize hanging increasing or dumbbell piece holding.

According to a further scheme of the utility model, the return-shaped slide rail is formed by connecting an initial slide rail, an increase-hanging slide rail, a termination slide rail and a reduction-holding slide rail end to end, wherein an increase-hanging limit position is arranged between the increase-hanging slide rail and the termination slide rail, and a reduction-holding limit position is arranged between the termination slide rail and the reduction-holding slide rail.

According to a further scheme of the utility model, the fixing piece is correspondingly provided with a fixing piece upper socket and a fixing piece lower socket, and the fixing piece upper socket is provided with a fixing piece upper plug.

According to a further scheme, the dumbbell piece is provided with an upper dumbbell piece socket and a lower dumbbell piece socket, the upper dumbbell piece socket is provided with an upper dumbbell piece plug, and the lower dumbbell piece socket is provided with a lower dumbbell piece plug; when the dumbbell piece is matched with the fixed piece, the upper plug of the fixed piece is inserted into the upper socket of the dumbbell piece, and the lower plug of the dumbbell piece is inserted into the lower socket of the fixed piece; when adjacent dumbbell pieces are matched, the upper dumbbell piece plug on the inner dumbbell piece is inserted into the upper dumbbell piece socket of the outer dumbbell piece, and the lower dumbbell piece plug on the outer dumbbell piece is inserted into the lower dumbbell piece socket of the inner dumbbell piece.

According to a further scheme of the utility model, a locking mechanism for locking the rotation of the rotating disc is arranged on the fixed disc, and the locking mechanism comprises a reset spring and a lock knob which are correspondingly arranged on the fixed disc.

According to a further scheme, the balance weight dumbbell further comprises a dumbbell seat, an inner side frame and an outer side frame are correspondingly arranged on the dumbbell seat, a top block matched with the lock button is arranged on the inner side frame, locking of the rotating disc is released when the top block is matched with the lock button, a dumbbell seat plug matched with a dumbbell piece lower socket of the outermost dumbbell piece is arranged on the outer side frame, and the outer side frame can be adjusted in a telescopic mode relative to the inner side frame.

According to a further scheme of the utility model, weight identifiers of different weights are arranged on the telescopic rod, and a weight indicating window corresponding to the weight identifiers is arranged on the handle.

After adopting above-mentioned structure, have following advantage and effect compared with prior art: firstly, through forward or reverse rotation handle, the handle drives the regulation round pin and slides on the return-shaped slide of telescopic link to promote the telescopic link to stretch out or retract to both sides and realize increasing hanging or subtracting holding dumbbell piece, thereby reach the purpose that the counter weight was adjusted, counter weight adjustment mechanism simple structure adjusts nimble light. And the outer side frame can be telescopically adjusted relative to the inner side frame, so that the setting requirement in the maximum number of dumbbell pieces can be met.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of the dumbbell of this utility model with minimal weight.

FIG. 3 is a schematic diagram of a dumbbell and a dumbbell seat according to the utility model.

FIG. 4 is a schematic view of an exploded structure of a side dumbbell according to this utility model.

Fig. 5 is a schematic diagram of the mating structure of the present utility model.

Fig. 6 is a schematic perspective view of a dumbbell sheet of this utility model.

Fig. 7 is a schematic perspective view of the telescopic rod of the present utility model.

The dumbbell piece comprises a dumbbell piece 1, a fixed piece 2, an inner side frame 3, a fixed disk 4, a rotating disk 5, a handle 6, a dumbbell seat 7, an outer side frame 8, a fixed piece 9 upper socket, a fixed piece 10 upper plug, a weight display window 11, a fixed piece 12 lower socket, a telescopic rod 13, a dumbbell seat plug 14, a top block 15, a 16-shaped slide way, a 17 adjusting ring, a lock button 18, a return spring 19, a dumbbell piece 20 lower plug, a dumbbell piece lower socket 21, a dumbbell piece 22 upper plug, a dumbbell piece 23 upper socket, a 24 clamp spring, a 25 torsion spring 26 adjusting pin, a starting slide way 27, a hanging slide way 28, a hanging slide way 29, a hanging slide way 30, a holding slide way 31 and a holding slide way 32 holding and limiting position 32.

Detailed Description

Fig. 1 to 7 show a specific embodiment of an adjustable weight dumbbell according to the utility model, which comprises a handle 6, a rotating disc 5 fixedly connected to two sides of the handle 6, a fixed disc 4 and a fixed sheet 2 which are rotatably arranged at two ends of the handle 6 and mutually fixed through a clamp spring 24, a dumbbell piece 1 hung with the fixed sheet 2, and weight adjusting mechanisms arranged at two sides of the handle 6, wherein the weight adjusting mechanisms comprise a telescopic rod 13 slidably arranged in the handle 6, an adjusting ring 17 sleeved on the handle 6 and limited by the fixed disc 4, the telescopic rod 13 is axially slidably matched with the fixed sheet 2, a circular slideway 16 which is consistent with the dumbbell piece 1 in number and mutually connected in series is arranged on the telescopic rod 13, an adjusting pin 26 which penetrates through the handle 6 and is matched with the circular slideway 16 is arranged on the adjusting ring 17, and a torsion spring 25 for rotary reset is arranged between the rotating disc 5 and the fixed disc 4; when the handle 6 is rotated in the forward direction or the reverse direction, the handle 6 pushes the telescopic rod 13 outwards or inwards along the return-shaped slideway 16 through the adjusting pin 26 to realize hanging increasing or holding decreasing of the dumbbell sheet 1.

For locking the rotating disc 5 and the fixed disc 4, a locking mechanism for locking the rotating disc 5 to rotate is arranged on the fixed disc 4, and the locking mechanism comprises a reset spring 19 and a lock knob 18 which are correspondingly arranged on the fixed disc 4. The balance weight dumbbell further comprises a dumbbell seat 7, an inner side frame 3 and an outer side frame 8 are correspondingly arranged on the dumbbell seat 7, a top block 15 matched with a lock button 18 is arranged on the inner side frame 3, the lock of the rotating disc 5 is released when the top block 15 is matched with the lock button 18, a dumbbell seat plug 14 matched with a dumbbell piece lower socket 21 of the outermost dumbbell piece 1 is arranged on the outer side frame 8, and the outer side frame 8 can be telescopically adjusted relative to the inner side frame 3 to adapt to the requirements of different dumbbell pieces 1.

In order to facilitate weight adjustment, the loop-shaped slide 16 is formed by connecting an initial slide 27, a hanging-increasing slide 28, a terminating slide 30 and a holding-reducing slide 31 end to end, a hanging-increasing limit 29 is arranged between the hanging-increasing slide 28 and the terminating slide 30, and a holding-reducing limit 32 is arranged between the terminating slide 30 and the holding-reducing slide 31.

When the adjusting pin 26 is at the position of the initial slide way 27, as shown in fig. 7, the dumbbell piece 1 is not hung on the fixing piece 2, the movement track of the adjusting pin 26 during hanging is the initial slide way 27, the hanging increasing slide way 28 and the ending slide way 30, the hanging increasing limit position 29 is the angle limit when the handle 6 rotates forward to hang the dumbbell piece 1, the telescopic rod 13 stretches out to realize hanging increasing, the torsion spring 25 drives the handle 6 to reset under the elastic force when the handle 6 is released, the adjusting pin 26 on the handle 6 is blocked by the inner wall of the slide way and does not retract along the hanging increasing slide way 28, but enters the ending slide way 30, and the adjusting pin 26 pushes the telescopic rod 13 to the end point. The motion track of the adjusting pin 26 during the holding reduction is a stop slide way 30, a holding reduction slide way 31 and a start slide way 27, the holding reduction limit position 32 is the angle limit when the handle 6 rotates reversely to increase and hang the dumbbell piece 1, the telescopic rod 13 is retracted to realize holding reduction, the torsion spring 25 drives the handle 6 to reset under the action of elasticity when the handle 6 is released, the adjusting pin 26 on the handle 6 is blocked by the inner wall of the slide way and does not retract along the stop slide way 30, the starting slide way 27 is carried out through the holding reduction slide way 31, and the adjusting pin 26 pushes the telescopic rod 13 to the starting point. The principles of hanging up or hanging down the dumbbell sheet 1 from the first sheet to the second sheet and from the second sheet to the third sheet are the same as described above and will not be repeated here.

In order to be convenient for the connection with the dumbbell piece 1, the fixed piece 2 is correspondingly provided with a fixed piece upper socket 9 and a fixed piece lower socket 12, and the fixed piece upper socket 9 is provided with a fixed piece upper plug 10.

In order to be convenient to be connected with the fixing piece 2 and the adjacent dumbbell piece 1 in a hanging way, the dumbbell piece 1 is provided with an upper dumbbell piece socket 23 and a lower dumbbell piece socket 21, the upper dumbbell piece socket 23 is provided with an upper dumbbell piece plug 22, and the lower dumbbell piece socket 21 is provided with a lower dumbbell piece plug 20; when the dumbbell piece 1 is matched with the fixed piece 2, the fixed piece upper plug 10 is inserted into the dumbbell piece upper socket 23, and the dumbbell piece lower plug 20 is inserted into the fixed piece lower socket 12; when adjacent dumbbell plates 1 are matched, the upper dumbbell plate plug 22 on the inner dumbbell plate 1 is plugged into the upper dumbbell plate socket 23 of the outer dumbbell plate 1, and the lower dumbbell plate plug 20 on the outer dumbbell plate 1 is plugged into the lower dumbbell plate socket 21 of the inner dumbbell plate 1.

In order to intuitively display the weight of the dumbbell, the telescopic rod 13 is provided with weight marks of different weights, and the handle 6 is provided with a weight display window 11 corresponding to the weight marks.

The working principle is further described below in connection with this embodiment, in this embodiment, three dumbbell plates 1 are provided, four square slide ways 16 are provided on the telescopic rod 13, and the outer side frame 8 can be telescopically adjusted relative to the inner side frame 3 to place all dumbbell plates 1 and fixing plates 2, and the dumbbell weight in the initial state is shown in fig. 2.

When the balance weight is adjusted, firstly, the dumbbell is placed in the dumbbell seat 1, as shown in fig. 1 and 5, the top block 15 is matched with the lock knob 18 to unlock the rotating disc 5, and the handle 6 is in a rotatable state. When the handle 6 is rotated forwards or reversely against the elastic force of the torsion spring 25, the handle 6 slides through the adjusting pin 26 on the adjusting ring 17 and pushes the telescopic rod 13 to extend out to achieve hanging increasing or holding decreasing, so that the aim of adjusting the balance weight is achieved.

When the handle 6 of the dumbbell is lifted, the top block 15 is separated from the lock button 18, and the lock button 18 is reset under the action of the elastic force of the reset spring 19 to lock the rotating disc 5, so that the selected dumbbell piece 1 is reliably connected to the fixed sheet 2, and the dumbbell piece 1 which is not selected to be hung is reserved on the dumbbell seat 1 and connected to the dumbbell seat plug 14.

The above embodiments of the present utility model are not intended to limit the present utility model in any way, and the present utility model is not limited to the above embodiments, but is capable of modification, equivalent changes or modification without departing from the technical solution of the present utility model.

Claims (7)

1. The utility model provides a counter weight dumbbell with adjustable, includes handle (6), fixed connection rotating disk (5) in handle (6) both sides, sets up fixed disk (4) and stationary blade (2) at handle (6) both ends and mutual fixed, with dumbbell piece (1) of stationary blade (2) articulates, set up the counter weight adjustment mechanism in handle (6) both sides, characterized by: the balance weight adjusting mechanism comprises a telescopic rod (13) which is arranged in the handle (6) in a sliding manner, an adjusting ring (17) which is sleeved on the handle (6) and limited by the fixed disc (4), the telescopic rod (13) is in axial sliding fit with the fixed disc (2), the telescopic rod (13) is provided with a circular slideway (16) which is consistent with the dumbbell pieces (1) in number and is mutually connected in series, the adjusting ring (17) is provided with an adjusting pin (26) which penetrates through the handle (6) and is matched with the circular slideway (16), and a torsion spring (25) which is used for rotating and resetting is arranged between the rotating disc (5) and the fixed disc (4); when the handle (6) is rotated in the forward direction or the reverse direction, the handle (6) pushes the telescopic rod (13) outwards or inwards along the square slide way (16) through the adjusting pin (26) to realize hanging increasing or holding decreasing of the dumbbell sheet (1).

2. The adjustable weight dumbbell of claim 1, wherein: the square slide way (16) is formed by connecting an initial slide way (27), an increase hanging slide way (28), a termination slide way (30) and a relief slide way (31) end to end, an increase hanging limit position (29) is arranged between the increase hanging slide way (28) and the termination slide way (30), and a relief limit position (32) is arranged between the termination slide way (30) and the relief slide way (31).

3. The adjustable weight dumbbell of claim 1 or 2, wherein: the fixing piece (2) is correspondingly provided with a fixing piece upper socket (9) and a fixing piece lower socket (12), and the fixing piece upper socket (9) is provided with a fixing piece upper plug (10).

4. The adjustable weight dumbbell of claim 3, wherein: the dumbbell piece (1) is provided with an upper dumbbell piece socket (23) and a lower dumbbell piece socket (21), the upper dumbbell piece socket (23) is provided with an upper dumbbell piece plug (22), and the lower dumbbell piece socket (21) is provided with a lower dumbbell piece plug (20); when the dumbbell piece (1) is matched with the fixed piece (2), the upper fixed piece plug (10) is inserted into the upper dumbbell piece socket (23), and the lower dumbbell piece plug (20) is inserted into the lower fixed piece socket (12); when adjacent dumbbell plates (1) are matched, the upper dumbbell plate plug (22) on the inner dumbbell plate (1) is inserted into the upper dumbbell plate socket (23) of the outer dumbbell plate (1), and the lower dumbbell plate plug (20) on the outer dumbbell plate (1) is inserted into the lower dumbbell plate socket (21) of the inner dumbbell plate (1).

5. The adjustable weight dumbbell of claim 4, wherein: the fixed disk (4) is provided with a locking mechanism for locking the rotation disk (5) to rotate, and the locking mechanism comprises a reset spring (19) and a lock knob (18) which are correspondingly arranged on the fixed disk (4).

6. The adjustable weight dumbbell of claim 5, wherein: the balance weight dumbbell also comprises a dumbbell seat (7), an inner side frame (3) and an outer side frame (8) are correspondingly arranged on the dumbbell seat (7), a top block (15) matched with the lock knob (18) is arranged on the inner side frame (3), the lock of the rotating disc (5) is released when the top block (15) is matched with the lock knob (18), a dumbbell seat plug (14) matched with a dumbbell piece lower socket (21) of the outermost dumbbell piece (1) is arranged on the outer side frame (8), and the outer side frame (8) can be telescopically adjusted relative to the inner side frame (3).

7. The adjustable weight dumbbell of claim 1, wherein: the telescopic rod (13) is provided with weight marks of different weights, and the handle (6) is provided with a weight indicating window (11) corresponding to the weight marks.

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