Novel adjustable dumbbell

Abstract

The utility model discloses a novel adjustable dumbbell, which relates to the technical field of dumbbells and comprises a base, and a dumbbell rod is arranged at the top of the base. The two ends of the dumbbell rod are rotationally connected with two adjusting heads, the two ends of the outer side of the dumbbell rod are rotationally connected with two buckles, and the inner side of the dumbbell rod is fixedly connected with a rotating pin. Two threaded sleeves are arranged on the inner sides of the two adjusting heads respectively; two clamping block components are symmetrically arranged at the two ends of the rotating pin. The interiors of the two threaded sleeves are rotationally connected with two telescopic rods correspondingly, and a plurality of weight pieces are evenly arranged on the outer sides of the telescopic rods. And a plurality of positioning grooves are uniformly and rotationally formed in the outer side of the weight sheet around the axis. By means of the structure, the number of the weight pieces can be rapidly adjusted, the dumbbell rod and the adjusting head are clamped and fixed through the buckle, the situation that the weight pieces fall off due to the fact that the clamping block component and the telescopic rod move is avoided, and the safety of an exerciser is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of dumbbell technology, specifically to a novel adjustable dumbbell. Background Technology

[0002] Dumbbells are a very practical piece of fitness equipment that can help people achieve various fitness goals. They are typically short bars with adjustable or fixed weight plates at both ends. Dumbbell training can work multiple muscle groups in the body, including the arms, shoulders, chest, back, and legs, making them an important tool for fitness and body shaping.

[0003] In existing dumbbell exercises, the weight plates are often adjusted during training to meet specific needs. However, this adjustment process often requires frequent removal and tightening of the fixing nuts. Even a slight distraction during this process can result in the fixing nuts not being fully tightened. Consequently, during intense workouts, the weight plates may accidentally detach from the dumbbell bar, posing a serious safety hazard to the exerciser. Therefore, we propose a new type of adjustable dumbbell to solve the aforementioned problems. Utility Model Content

[0004] The purpose of this invention is to provide a novel adjustable dumbbell to address the problem mentioned in the background art: existing dumbbells often require adjusting the weight plates during training to meet specific needs. However, this adjustment process frequently involves disassembling and tightening the fixing nut. If the user is slightly distracted during this process, the fixing nut may not be fully tightened. Consequently, during intense workouts, the weight plates may accidentally detach from the dumbbell bar, posing a serious threat to the exerciser's safety.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A novel adjustable dumbbell includes a base, a dumbbell bar on the top of the base, two adjustment heads rotatably connected to both ends of the dumbbell bar, two buckles rotatably connected to both ends of the outer side of the dumbbell bar, a rotating pin fixedly connected to the inner side of the dumbbell bar, two threaded sleeves respectively provided on the inner side of the two adjustment heads, two locking blocks symmetrically provided at both ends of the rotating pin, two telescopic rods rotatably connected inside the two threaded sleeves respectively, and multiple weight plates evenly provided on the outer side of the telescopic rods;

[0007] The outer side of the weight plate is provided with multiple positioning grooves that rotate evenly around the axis.

[0008] Furthermore, the outer side of the adjustment head is provided with multiple slots that rotate evenly around the axis.

[0009] Further, the buckle other end is movably connected with the adjusting head, and the two threaded sleeves are respectively connected with the two adjusting heads through threads.

[0010] Further, the telescopic rod is slidably connected with the adjusting head, and one end of the telescopic rod is slidably connected with the plurality of weight pieces through the adjusting head.

[0011] Further, the clamping block component comprises a pin fixing rod, one end of the pin fixing rod is fixedly connected with a clamping pin, the outer side of the pin fixing rod is rotatably connected with the inner side of the telescopic rod, the inner side of the pin fixing rod is slidably connected with one end of the rotating pin, the top of the base is symmetrically provided with two arc-shaped grooves, and the two arc-shaped grooves are internally provided with positioning pins.

[0012] Further, the weight pieces are movably connected with the positioning pins through the positioning grooves.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a through rotating two end adjusting head, further drive internal threaded sleeve rotation, knock out telescopic rod, pass through a plurality of weight pieces, through rotating dumbbell rod again, further drive rotating pin rotation, further drive clamping block component rotation, catch telescopic rod outermost end's weight piece, through buckle again, with adjusting head card joint of dumbbell rod, realize fixed, avoid clamping block component and telescopic rod remove, cause weight piece to fall off, guarantee exerciser safety. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram of the utility model;

[0016] Figure 2 It is base mounting structure schematic diagram of the utility model;

[0017] Figure 3 It is adjusting head mounting structure schematic diagram of the utility model;

[0018] Figure 4 It is clamping block component mounting structure schematic diagram of the utility model;

[0019] Fig. 1 is a base;101, arc-shaped groove;102, positioning pin;2, dumbbell rod;3, adjusting head;301, card slot;4, buckle;5, rotating pin;6, threaded sleeve;7, clamping block component;701, pin fixing rod;702, clamping pin;8, telescopic rod;9, weight piece;901, positioning groove. DETAILED DESCRIPTION

[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0021] Please refer to Figures 1-4 The utility model provides a technical scheme: a novel adjustable dumbbell, including base 1, the top of base 1 is provided with dumbbell bar 2, two ends of dumbbell bar 2 are rotatably connected with two adjusting heads 3, two ends of dumbbell bar 2 outside are rotatably connected with two buckles 4, the inside of dumbbell bar 2 is fixedly connected with rotating pin 5, the inside of two adjusting heads 3 is provided with two threaded sleeves 6 respectively, two ends of rotating pin 5 are symmetrically provided with two clamping block components 7, the inside of two threaded sleeves 6 is rotatably connected with two telescopic rods 8 respectively, the outside of telescopic rod 8 is uniformly provided with multiple weight pieces 9;

[0022] The outside of weight piece 9 is uniformly rotatably provided with multiple positioning grooves 901 around the axis.

[0023] The outside of adjusting head 3 is uniformly rotatably provided with multiple clamping grooves 301 around the axis. In this example, by setting multiple clamping grooves 301, the buckle 4 is facilitated to be clamped with the dumbbell bar 2 and the adjusting head 3.

[0024] The other end of buckle 4 is movably clamped with the clamping groove 301 on the adjusting head 3, and the outside of two threaded sleeves 6 is threadedly connected with two adjusting heads 3 respectively. In this example, by setting the threaded sleeve 6, the telescopic rod 8 is facilitated to be moved, and the number of weight pieces 9 is adjusted.

[0025] The telescopic rod 8 is slidably connected with the adjusting head 3, and one end of the telescopic rod 8 passes through the adjusting head 3 and is slidably connected with the inside of multiple weight pieces 9. In this example, by setting the telescopic rod 8, it is facilitated to be inserted into the inside of multiple weight pieces 9, and the weight pieces 9 are installed and fixed.

[0026] The clamping block component 7 comprises a pin fixing rod 701, one end of the pin fixing rod 701 is fixedly connected with a clamping pin 702, the outside of the pin fixing rod 701 is rotatably connected with the inside of the telescopic rod 8, the inside of the pin fixing rod 701 is slidably connected with one end of the rotating pin 5, the top of the base 1 is symmetrically provided with two arc grooves 101, and the inside of the two arc grooves 101 is provided with a positioning pin 102. In this example, by setting the positioning pin 102, the weight piece 9 is clamped, and the rotating dumbbell bar 2 and the rotating weight piece 9 are avoided, and the adjustment accuracy is affected.

[0027] The weight piece 9 is movably clamped with the positioning groove 901 and the positioning pin 102.

[0028] Working principle: when the number of weight pieces 9 needs to be adjusted, the dumbbell is placed on the base 1, the positioning slot 901 on the weight piece 9 is clamped with the positioning pin 102 on the arc-shaped slot 101, the buckle 4 is opened, the dumbbell rod 2 is rotated, the rotating pin 5 is rotated, the both-end clamping block component 7 is rotated, the outermost weight piece 9 of the telescopic rod 8 is loosened, the both-end adjusting head 3 is further rotated, the inner threaded sleeve 6 is moved, the telescopic rod 8 is further slid in the plurality of weight pieces 9, when the appropriate position is reached, the dumbbell rod 2 is rotated, the pin fixing rod 701 at both ends of the rotating pin 5 is rotated, the clamping pin 702 is further rotated, the weight piece 9 is clamped, the buckle 4 is clamped into the inner clamping slot 301, the dumbbell rod 2 is clamped with the two adjusting heads 3.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A new adjustable dumbbell characterized by: The utility model provides a dumbbell, including base (1), the top of base (1) is provided with dumbbell bar (2), two ends of dumbbell bar (2) are rotatably connected with two adjustment heads (3), two ends of dumbbell bar (2) outside are rotatably connected with two buckles (4), the inside of dumbbell bar (2) is fixedly connected with rotating pin (5), two the inside of adjustment head (3) is provided with two threaded bushings (6) respectively, the both ends of rotating pin (5) are provided with two clamping block parts (7) symmetry, two the inside of threaded bushing (6) is rotatably connected with two telescopic rods (8) respectively, the outside of telescopic rod (8) is evenly provided with a plurality of weight pieces (9); The outside of the weight piece (9) is uniformly provided with a plurality of positioning grooves (901) around the axis.

2. A new adjustable dumbbell as claimed in claim 1, wherein: The outside of the adjustment head (3) is uniformly provided with a plurality of clamping grooves (301) around the axis.

3. A new adjustable dumbbell according to claim 2, characterized in that: The other end of the buckle (4) is movably connected with the clamping groove (301) of the adjustment head (3), and the outside of the two threaded bushings (6) is respectively threadedly connected with the two adjustment heads (3).

4. A new adjustable dumbbell as claimed in claim 1, wherein: The telescopic rod (8) is slidably connected with the adjustment head (3), and one end of the telescopic rod (8) penetrates through the adjustment head (3) and is slidably connected with the inside of the plurality of weight pieces (9).

5. A new adjustable dumbbell as claimed in claim 1, wherein: The clamping block part (7) comprises a pin fixing rod (701), one end of the pin fixing rod (701) is fixedly connected with a clamping pin (702) penetrating through the telescopic rod (8), the outside of the pin fixing rod (701) is rotatably connected with the inside of the telescopic rod (8), the inside of the pin fixing rod (701) is slidably connected with one end of the rotating pin (5), and the top of the base (1) is symmetrically provided with two arc grooves (101), and the inside of the two arc grooves (101) is provided with a positioning pin (102).

6. A new adjustable dumbbell according to claim 5, characterized in that: The weight piece (9) is movably connected with the positioning pin (102) through the positioning groove (901).

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