CN215275598U

CN215275598U - Dumbbell with adjustable balance weight

Info

Publication number: CN215275598U
Application number: CN202121438980.5U
Authority: CN
Inventors: 李晓春
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-24
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a dumbbell with adjustable balance weight, which comprises a handle (1), balance weight connecting seats (2) arranged at both sides of the handle (1), balance weight pieces (6) and balance weight seats (7), handle (1) and the center of counter weight connecting seat (2) be equipped with connection jack (24) that are linked together, the center of counter weight seat (7) be equipped with this connection jack (24) complex weight pole (71), counter weight piece (6) cover is on weight pole (71), be equipped with a plurality of locking grooves (72) on weight pole (71), it is equipped with rotation notch (23) with connection jack (24) intercommunication to correspond on counter weight connecting seat (2), it has button switch (4) that pushes away that can elastically reset to articulate on rotation notch (23), it can stretch into connection jack (24) and with locking groove (72) complex arc locking plate (41) to push away to be equipped with on button switch (4), be fixed with apron (5) on counter weight connecting seat (2). After the structure is adopted, the balance weight adjusting device has the advantages of simple and reasonable structure, convenient balance weight adjustment, safe and reliable use, particular suitability for family fitness and the like.

Description

Dumbbell with adjustable balance weight

Technical Field

The utility model relates to the technical field of sports fitness equipment, in particular to an adjustable balance weight dumbbell which is reliable in connection and convenient in weight adjustment.

Background

In order to improve physical fitness, many people exercise with dumbbells and have a good training effect. However, the counterweight of the counterweight plate of the prior dumbbell has a complex structure and is inconvenient to adjust. To achieve the purpose, the Chinese patent No. CN213192299U discloses a semi-automatic adjustable dumbbell for ladies, which comprises a handle and dumbbell pieces, wherein the handle is of a hollow structure, two ends of the handle are connected with flange plates, the outer edges of the flange plates, far away from the plane of the handle, are provided with annular rings, the center of each flange plate is provided with a square through hole, the flange plates are provided with button buckling grooves, button buckles are arranged in the button buckling grooves, the button buckles are connected with springs, the other ends of the springs are connected to the inner edges of the annular rings of the flange plates, sliding blocks of the button buckles can move in limiting grooves of the button buckling grooves, the center of each button buckle is provided with a rectangular through hole, the long edges of the rectangular through holes are parallel to the long edges of the button buckles, the short edges of the rectangular through holes at one side close to the springs are provided with arc buckles, and the arc buckles are connected with clamping grooves on square pull rods arranged at the center of a bearing plate, adopt pull buckle structure, to the regulation of dumbbell weight convenient and fast more, safety. However, the dumbbell with the structure mainly has the following problems in the use process: firstly, when the balance weight is adjusted, the balance weight can be disassembled only by pressing the button buckle, and after the balance weight is adjusted, the balance weight can be assembled only by pressing the button buckle, so that the assembly is inconvenient; when two dumbbells touch the protrusion, the arc-shaped buckle on the button buckle and the clamping groove on the square pull rod are separated and automatically unlocked, and the potential safety hazard that the locking connection is unreliable and the bearing plate and the dumbbell piece are separated exists. Aiming at the problems, many manufacturers and acquaintances develop and develop the products, but no satisfactory products come out.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide an adjustable dumbbell with a counterweight, which has simple and reasonable structure, convenient counterweight adjustment, safe and reliable use and is particularly suitable for family fitness.

The utility model provides a technical scheme that above-mentioned technical problem adopted, it includes the counter weight connecting seat, the counter weight piece, the counter weight seat of handle, handle both sides, the center of handle and counter weight connecting seat be equipped with the interface jack that is linked together, the center of counter weight seat be equipped with this interface jack complex counterweight rod, the counter weight piece cover is on the counterweight rod, be equipped with a plurality of locking grooves on the counterweight rod, correspond on the counter weight connecting seat and be equipped with the rotation notch that communicates with interface jack, it has the button switch that pushes away that can elastically reset to articulate on the rotation notch, it is equipped with on the button switch and can stretch into the linkage jack and with locking groove complex arc locking plate to push away, be fixed with the apron that covers the button switch on the counter weight connecting seat.

The utility model discloses a further scheme, the counter weight connecting seat on correspond and be equipped with location inserted sheet, spring groove, push away to be equipped with on the button switch with location inserted sheet complex positioning slot, install the spring of roof pressure on pushing away the button switch on the spring groove, the spring makes positioning slot and location inserted sheet locking, makes the arc locking plate stretch into the jack and lock the locking groove locking.

The utility model discloses a further scheme, the head of counter weight pole be equipped with the toper inclined plane, the toper inclined plane promotes the automatic button switch that opens of arc locking plate when the counter weight pole inserts the interface hole of counter weight connecting seat.

The utility model discloses a further scheme, locking groove on correspond and be equipped with locking groove inclined plane, when continuing again to impel the weight lever after the locking groove locking in the push button switch and the outside, this locking groove inclined plane promotes that the arc locking plate is automatic to be opened and pushes away the button switch, when sliding to next locking groove time-lapse arc locking plate is on next locking groove under spring force effect.

The utility model discloses a further scheme, the counterweight rod be square counterweight rod, connection jack is square connection slot, the correspondence is equipped with the locking groove on every plane of square counterweight rod.

The utility model discloses a further scheme, but the interior terminal surface of counter weight seat is equipped with the elasticity piece of elastic compression.

After adopting above-mentioned structure, compared with prior art have following advantage and effect: firstly, when the push button switch is pushed to rotate by a certain angle during disassembly, the positioning slot is separated from the positioning insertion sheet and the arc-shaped locking plate is separated from the locking groove, and the counterweight seat can be pulled out from the counterweight connecting seat; after the balance weight pieces are adjusted, the balance weight rods on the balance weight seats are pushed to be aligned with the connecting jacks on the balance weight connecting seats, the tapered inclined surfaces of the balance weight rods push the arc-shaped locking pieces to automatically open the push button switches in the pushing process, when the push button switches and the locking grooves on the outer sides are not adjusted in place after being locked, the balance weight rods are continuously pushed, the inclined surfaces of the locking grooves of the balance weight rods push the arc-shaped locking pieces to automatically open the push button switches, when the balance weight rods slide to the next locking groove, the arc-shaped locking pieces are automatically locked on the next locking groove under the action of spring force until the balance weight rods are adjusted in place; therefore, the counterweight can be quickly adjusted, the counterweight is simple and convenient to adjust, the connection is reliable, the use is safe, and the counterweight plates can be increased or reduced at will according to the requirements, so that the counterweight device meets the requirements of different physical qualities. And secondly, the push button switch realizes unlocking through transfer, so that the problem that the push button switch is automatically opened when touching a bulge in the prior art is solved. Thirdly, the utility model discloses through positioning slot and positioning insertion piece and arc locking plate and locking groove duplicate locking cooperation in the use, further improved the reliability of connecting the use to the security performance of guaranteeing to use.

Drawings

Fig. 1 is a schematic view of the exploded structure of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic view of the fitting structure of the present invention.

Fig. 4 is a schematic view of the fitting structure of the present invention when the section a-a of fig. 3 is locked.

Fig. 5 is a schematic view of the fitting structure of fig. 3 when the section a-a is unlocked.

Wherein 1 handle, 2 counter weight connecting seats, 3 springs, 4 push button switches, 5 apron, 6 counter weight pieces, 7 counter weight seats, 8 elastic sheets, 21 spring grooves, 22 location inserted sheet, 23 rotation notch, 24 connect the jack, 41 arc locking plates, 42 location slot, 71 counterweight rod, 72 locking groove, 73 toper inclined plane, 74 locking groove inclined plane.

Detailed Description

Fig. 1 to 5 show, do the utility model discloses the adjustable dumbbell of counter weight's embodiment, it includes handle 1, the counter weight connecting seat 2 of handle 1 both sides, counter weight piece 6, counter weight seat 7, the center of handle 1 and counter weight connecting seat 2 be equipped with the interface jack 24 that is linked together, the center of counter weight seat 7 be equipped with this interface jack 24 complex counterweight rod 71, the cover of counter weight piece 6 is on counterweight rod 71, be equipped with a plurality of locking grooves 72 on counterweight rod 71, the last correspondence of counter weight connecting seat 2 is equipped with the rotation notch 23 that communicates with interface jack 24, it has the button switch 4 that pushes away that can elastically reset to articulate on the rotation notch 23, it can stretch into on the button switch 4 connect the jack 24 and with locking groove 72 complex arc locking plate 41 to push away, be fixed with on the counter weight connecting seat 2 and cover the apron 5 that pushes away button switch 4.

In order to guarantee to use safe and reliable, counter weight connecting seat 2 on correspond and be equipped with location inserted sheet 22, spring groove 21, push away to be equipped with on the button switch 4 with location inserted sheet 22 complex location slot 42, install on the spring groove 21 and push against the spring 3 on pushing away the button switch 4, spring 3 makes location slot 42 and location inserted sheet 22 locking, makes arc locking plate 41 stretch into connecting insertion hole 24 and lock the locking groove 72 locking.

For the convenience of assembly, the weight rod 71 is a square weight rod, the connection jack 24 is a square connection slot, and a locking slot 72 is correspondingly arranged on each plane of the square weight rod. The head of the weight rod 71 is provided with a tapered inclined surface 73, and when the weight rod 71 is inserted into the connecting insertion hole 24 of the weight connecting socket 2, the tapered inclined surface 73 pushes the arc locking plate 41 to automatically open the push button switch 4. Locking groove 72 on correspond and be equipped with locking groove inclined plane 74, when continuing to impel the weight lever 71 again after locking the groove 72 locking of button switch 4 and the outside, this locking groove inclined plane 74 promotes arc locking plate 41 and opens automatically and pushes away button switch 4, when sliding to next locking groove 72 arc locking plate 41 is automatic locking under spring 3 elastic force effect and is locked on next locking groove 72.

In order to eliminate the gap between the weight plates, the inner end surface of the weight seat 7 is provided with an elastic plate 8 which can be elastically compressed.

The utility model has the following working process that when the weight needs to be increased, the push button switch 4 is pushed to rotate by a certain angle, so that the positioning slot 42 is separated from the positioning insertion sheet 22, the arc locking sheet 41 is separated from the locking groove 72, then the counterweight seat 7 is pulled out, and the counterweight sheet 6 with proper weight is arranged on the counterweight rod 71; after the counterweight 6 is adjusted, make the tapered inclined plane 73 of counterweight rod 71 aim at the connection jack 24 on the counterweight connecting seat 2, then promote counterweight seat 7, the tapered inclined plane 73 of counterweight rod 71 promotes the automatic opening of arc locking plate 41 and pushes away button switch 4 in the propulsion process, after the arc locking plate 41 that pushes away button switch 4 locks with the locking groove 72 in the outside, and when not adjusting in place yet, still need continue to impel counterweight seat 7, the locking groove inclined plane 74 of counterweight rod 71 promotes the automatic opening of arc locking plate 41 and pushes away button switch 4, arc locking plate 41 locks on next locking groove 72 under the spring force effect of spring 3 when sliding to next locking groove 72 automatically, until adjusting in place. When the weight is required to be reduced, the working principle is the same as that of weight increase, and the description is omitted.

The above description is only the specific embodiment of the present invention, and is not intended to limit the present invention in any form, and the present invention does not depart from the technical solution of the present invention, and the made simple modification, equivalent change or modification all fall into the protection scope of the present invention.

Claims

1. The utility model provides an adjustable dumbbell of counter weight, includes counter weight connecting seat (2), counter weight piece (6), counter weight seat (7) of handle (1), handle (1) both sides, characterized by: handle (1) and the center of counter weight connecting seat (2) be equipped with connection jack (24) that are linked together, the center of counter weight seat (7) be equipped with this connection jack (24) complex weight pole (71), counter weight piece (6) cover is on weight pole (71), be equipped with a plurality of locking grooves (72) on weight pole (71), it is equipped with rotation notch (23) with connection jack (24) intercommunication to correspond on counter weight connecting seat (2), it has button switch (4) that pushes away that can elastically reset to articulate on rotation notch (23), it can stretch into connection jack (24) and with locking groove (72) complex arc locking plate (41) to push away to be equipped with on button switch (4), be fixed with on counter weight connecting seat (2) and cover apron (5) that push away button switch (4).

2. The weight adjustable dumbbell of claim 1, wherein: counterweight connecting seat (2) on correspond be equipped with location inserted sheet (22), spring groove (21), push away to be equipped with on button switch (4) with location inserted sheet (22) complex location slot (42), install spring (3) of top pressure on pushing away button switch (4) on spring groove (21), spring (3) make location slot (42) and location inserted sheet (22) locking, make arc locking plate (41) stretch into connect jack (24) and lock locking groove (72) and lock.

3. The weight adjustable dumbbell of claim 1 or 2, wherein: the head of the counterweight rod (71) is provided with a conical inclined surface (73), and when the counterweight rod (71) is inserted into the connecting jack (24) of the counterweight connecting seat (2), the conical inclined surface (73) pushes the arc-shaped locking plate (41) to automatically open the push button switch (4).

4. The weight adjustable dumbbell of claim 3, wherein: locking groove (72) on correspond and be equipped with locking groove inclined plane (74), when continuing to impel counterweight rod (71) again after locking groove (72) locking in push button switch (4) and the outside, this locking groove inclined plane (74) promote arc locking plate (41) and open automatically and push button switch (4), arc locking plate (41) when sliding next locking groove (72) automatic locking under spring (3) elasticity effect is on next locking groove (72).

5. The weight adjustable dumbbell of claim 4, wherein: the weight rod (71) is a square weight rod, the connecting jacks (24) are square connecting slots, and locking grooves (72) are correspondingly arranged on each plane of the square weight rod.

6. The weight adjustable dumbbell of claim 1, wherein: an elastic sheet (8) which can be elastically compressed is arranged on the inner end surface of the counterweight seat (7).