Weight-adjustable dumbbell

Abstract

The utility model discloses a weight-adjustable dumbbell, and particularly relates to the technical field of fitness equipment. A weight-adjustable dumbbell comprises a grab handle, two dumbbell piece sets and two fixing assemblies, the two dumbbell piece sets and the two fixing assemblies are all arranged at the two ends of the grab handle, the fixing assemblies penetrate through the dumbbell piece sets and are used for fixing the dumbbell piece sets, each dumbbell piece set comprises a plurality of dumbbell pieces, and the dumbbell pieces are arranged on the grab handle. A connecting structure is arranged between every two adjacent dumbbell pieces, every two adjacent dumbbell pieces are connected through the connecting structures, the total weight of the dumbbell can be adjusted by changing the number of the dumbbell pieces, the fixing assembly penetrates through the multiple dumbbell pieces, inserting grooves are formed in the dumbbell pieces, inserting pieces are arranged in the inserting grooves, and the dumbbell pieces are connected through the inserting pieces. A groove is formed in the inserting piece, and the fixing assembly penetrates through the groove. The dumbbell does not need to dismantle end fixing pieces and increase or decrease dumbbell pieces, and operation is simpler and more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment, in particular to a dumbbell with adjustable weight. Background Art

[0002] A dumbbell is an auxiliary equipment for weightlifting and fitness exercises. It is smaller than a barbell and is named dumbbell because it makes no sound during exercise. In the prior art, dumbbells are usually divided into two types. One type is composed of an integrated dumbbell rod and dumbbell plates, and its weight cannot be adjusted. When the strength requirements are different, different weights need to be purchased during purchase, resulting in high costs. The other type is composed of a separated dumbbell rod and dumbbell plates, which consists of a dumbbell rod and multiple dumbbell plates. Different numbers of dumbbell plates can be placed according to the different needs of users.

[0003] However, when adjusting the weight of the current adjustable dumbbells, it is generally necessary to add or subtract dumbbell plates from both ends, and the fixing parts at both ends need to be removed for each operation, making the operation too cumbersome.

[0004] Therefore, it is necessary to provide an adjustable-weight dumbbell to solve the above technical problems. Summary of the Utility Model

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an adjustable-weight dumbbell that can adjust the total weight of the dumbbell by changing the number of dumbbell plates without removing the end fixing parts, and the operation is simpler and more convenient.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] The adjustable-weight dumbbell includes: a handle, two dumbbell plate groups, and two fixing components. The two dumbbell plate groups and the two fixing components are both arranged at both ends of the handle. The fixing component penetrates through the dumbbell plate group and is used to fix the dumbbell plate group. The dumbbell plate group includes multiple dumbbell plates. A connecting structure is arranged between two adjacent dumbbell plates, and the two adjacent dumbbell plates are connected through the connecting structure. The total weight of the dumbbell can be adjusted by changing the number of dumbbell plates. The fixing component penetrates through multiple dumbbell plates. A slot is opened inside the dumbbell plate, an inserting piece is arranged inside the slot, and a groove is opened on the inserting piece. The fixing component penetrates through the groove.

[0008] Preferably, the connecting structure includes a clamping block and a clamping groove. The clamping block and the clamping groove are respectively fixedly installed on the corresponding dumbbell plates. When the two dumbbell plates are butted, the clamping block can be inserted into the clamping groove.

[0009] Preferably, strong magnets are installed at the bottoms of the slot and the inserting piece and attract each other.

[0010] Preferably, a plurality of limiting rods are fixed on one side of the outermost dumbbell plate away from the connecting structure. A plurality of limiting grooves are formed at both ends of the handle, and the limiting rods are adapted to the limiting grooves.

[0011] Preferably, threaded storage grooves are further formed at both ends of the handle. The fixing assembly includes a fixing rod and a fixing block. External threads are provided at both ends of the fixing rod. The fixing rod is threadedly connected to the threaded storage groove. The threaded storage groove is also used for storing the fixing rod. By rotating the fixing rod, most of the fixing rod can enter the threaded storage groove, which is convenient for storing the fixing rod and reduces the occupied storage space. The fixing block is threadedly connected to the fixing rod, and the fixing block is used for fixing the dumbbell plate group.

[0012] Preferably, an anti-slip sleeve is installed on the handle. The anti-slip sleeve is made of rubber and has a plurality of contact points on its surface.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) When adjusting the total weight of the dumbbell of the utility model, it is not necessary to remove the end fixing parts and add or subtract dumbbell plates, and the operation is simpler and more convenient;

[0015] (2) When adjusting the total weight of the dumbbell of the utility model, the fixing of the inserted piece and the dumbbell plate is convenient and fast;

[0016] (3) Most of the fixing rods of the utility model can enter the threaded storage groove, which is convenient for storing the fixing rods and reduces the occupied storage space. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of a weight-adjustable dumbbell provided by the utility model;

[0018] Figure 2 It is a schematic structural diagram of a dumbbell plate group of a weight-adjustable dumbbell provided by the utility model;

[0019] Figure 3 It is Figure 2 A schematic structural diagram of a dumbbell plate in the dumbbell plate group;

[0020] Figure 4 It is Figure 3 A schematic structural diagram of a dumbbell plate and an inserted piece;

[0021] Figure 5 It is a schematic structural diagram of a handle and a fixing assembly in a weight-adjustable dumbbell provided by the utility model;

[0022] Figure 6 It is a schematic structural diagram of the handle 1 in a weight-adjustable dumbbell provided by the utility model;

[0023] Figure 7 Schematic structural diagram of the fixing component in the dumbbell with adjustable weight provided by the present utility model;

[0024] Figure 8 Schematic structural diagram of the dumbbell with adjustable weight provided by the present utility model after being stored;

[0025] Among them, the names corresponding to the reference numerals are: 1 - grip, 2 - dumbbell plate group, 3 - fixing component, 11 - anti-slip sleeve, 12 - threaded storage groove, 13 - limiting groove, 21 - dumbbell plate, 22 - insertion piece, 23 - clamping block, 24 - clamping groove, 25 - groove, 26 - strong magnet, 27 - limiting rod, 31 - fixing rod, 32 - fixing block. Specific embodiments

[0026] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments. The implementation manners of the present utility model include but are not limited to the following embodiments.

[0027] Embodiment 1

[0028] As Figures 1-6 shown, the dumbbell with adjustable weight provided by the present utility model includes: a grip 1, two dumbbell plate groups 2 and two fixing components 3. The two dumbbell plate groups 2 and the two fixing components 3 are both arranged at both ends of the grip 1. The fixing component 3 penetrates through the dumbbell plate group 2 and is used to fix the dumbbell plate group 2. The dumbbell plate group 2 includes a plurality of dumbbell plates 21. A connecting structure is arranged between two adjacent dumbbell plates 21. The two adjacent dumbbell plates 21 are connected through the connecting structure. The total weight of the dumbbell can be adjusted by changing the number of dumbbell plates 21. The fixing component 3 penetrates through a plurality of dumbbell plates 21. A slot is opened inside the dumbbell plate 21. An insertion piece 22 is arranged inside the slot. A groove 25 is opened on the insertion piece 22. The fixing component 3 penetrates through the groove 25. The opening of the groove 25 enables it to be more conveniently drawn out from the inside of the slot or installed inside the slot from the outside, thereby changing the weight of the dumbbell plate group 2. When in use, first pass the fixing component 3 through a plurality of dumbbell plates 21 and fix it, and then connect the fixing component 3 with the grip 1 to complete the installation of the dumbbell. When weightlifting, if the user wants to change the weight of the dumbbell, the insertion piece 22 can be inserted into the appropriate number of slots according to the actual situation to adjust the total weight of the dumbbell, without removing the end fixing parts and increasing or decreasing the dumbbell plates, and the operation is more simple and convenient.

[0029] Embodiment 2

[0030] As Figure 3As shown, the connection structure includes a clamping block 23 and a clamping groove 24. The clamping block 23 and the clamping groove 24 are respectively fixedly installed on the corresponding dumbbell plates 21. When two dumbbell plates 21 are butted, the clamping block 23 can be inserted into the clamping groove 24. With the setting of the connection structure, the two dumbbell plates 21 can be connected as a whole.

[0031] Embodiment 3

[0032] As Figure 4 shown, strong magnets 26 are installed at the bottoms of both the slot and the inserting piece 22 and attract each other. The setting of the strong magnets 26 makes it convenient and fast to fix the inserting piece 22 to the dumbbell plate 21.

[0033] Embodiment 4

[0034] As Figure 2 shown, a plurality of limiting rods 27 are fixed to the side of one of the outermost dumbbell plates 21 away from the connection structure. A plurality of limiting grooves 13 are formed at both ends of the handle 1. The limiting rods 27 are adapted to the limiting grooves 13. When the limiting rods 27 are inserted into the limiting grooves 13, they play a role in stabilizing the dumbbell plate 21, preventing it from rotating during the process of lifting the dumbbell and increasing the stability of the dumbbell plate 21.

[0035] Embodiment 5

[0036] As Figures 7-8 shown, threaded storage grooves 12 are further formed at both ends of the handle 1. The fixing assembly 3 includes a fixing rod 31 and a fixing block 32. External threads are provided at both ends of the fixing rod 31. The fixing rod 31 is threadedly connected to the threaded storage grooves 12. The threaded storage grooves 12 are also used to store the fixing rod 31. By rotating the fixing rod 31, most of the fixing rod 31 can enter the threaded storage grooves 12 (as Figure 8 shown), which is convenient for storing the fixing rod 31 and reduces the occupied storage space. The fixing block 32 is threadedly connected to the fixing rod 31. The fixing block 32 is used to fix the dumbbell plate group 2. When in use, first thread one end of the fixing rod 31 to the threaded storage grooves 12, then pass the fixing rod 31 through a plurality of dumbbell plates 21, and then thread the fixing block 32 onto the fixing rod 31 to realize the fixing of a plurality of dumbbell plates 21.

[0037] Embodiment 6

[0038] As Figure 8 shown, an anti-slip sleeve 11 is installed on the handle 1. The anti-slip sleeve 11 is made of rubber and has a plurality of contact points on its surface. The anti-slip sleeve 11 can prevent the user's hand from sweating after long-term use of the dumbbell, resulting in the handle 1 slipping and causing a series of potential hazards, and ensuring the safety of the user to a certain extent.

[0039] Working principle: When using dumbbells, the user first specifically selects the number of weight plates 21 according to the actual situation, then connects the limit rod 27 on the weight plate 21 to the limit groove 13 in the handle 1, then passes the fixing rod 31 through multiple weight plates 21 and threadedly installs it in the threaded storage groove 12 of the handle 1, and then threadedly installs the fixing block 32 on the fixing rod 31 to fix the weight plate 21. When the user wants to adjust the weight, the insert plate 22 can be inserted into the slot of the corresponding weight plate 21 to adjust the weight of the dumbbell.

Claims

1. A dumbbell with adjustable weight, characterized in that: include: A handle (1), two dumbbell plate groups (2) and two fixing components (3), wherein the two dumbbell plate groups (2) and the two fixing components (3) are arranged at both ends of the handle (1), the fixing component (3) passes through the dumbbell plate group (2) and is used to fix the dumbbell plate group (2), the dumbbell plate group (2) comprises a plurality of dumbbell plates (21), a connecting structure is arranged between two adjacent dumbbell plates (21), the two adjacent dumbbell plates (21) are connected via the connecting structure, the fixing component (3) passes through the plurality of dumbbell plates (21), a slot is provided inside the dumbbell plate (21), an inserting plate (22) is provided inside the slot, a groove (25) is provided on the inserting plate (22), and the fixing component (3) passes through the groove (25).

2. A dumbbell with adjustable weight according to claim 1, characterized in that: The connection structure comprises a clamping block (23) and a clamping slot (24), and the clamping block (23) and the clamping slot (24) are respectively fixedly mounted on corresponding dumbbell plates (21).

3. A dumbbell with adjustable weight according to claim 2, characterized in that: The bottom of the slot and the bottom of the insert (22) are both equipped with strong magnets (26) that attract each other.

4. A dumbbell with adjustable weight according to claim 2, characterized in that: A plurality of limiting rods (27) are fixed to a side of one of the outermost dumbbell pieces (21) away from the connection structure, and a plurality of limiting grooves (13) are provided at both ends of the handle (1), and the limiting rods (27) are adapted to fit the limiting grooves (13).

5. The weight-adjustable dumbbell according to claim 1, characterized in that: The handle (1) is also provided with threaded receiving grooves (12) at both ends. The fixing assembly (3) comprises a fixing rod (31) and a fixing block (32). Both ends of the fixing rod (31) are provided with external threads. The fixing rod (31) is threadedly connected to the threaded receiving groove (12). The threaded receiving groove (12) is also used to receive the fixing rod (31). By rotating the fixing rod (31), most of the fixing rod (31) can enter the threaded receiving groove (12). The fixing block (32) is threadedly connected to the fixing rod (31). The fixing block (32) is used to fix the dumbbell plate set (2).

6. A dumbbell with adjustable weight according to claim 5, characterized in that: An anti-slip cover (11) is mounted on the handle (1); the anti-slip cover (11) is made of rubber and has a plurality of contact points on its surface.

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