Spacing-adjustable multifunctional dumbbell

Abstract

The utility model discloses a multifunctional dumbbell with an adjustable distance, which belongs to the technical field of dumbbells and comprises a dumbbell rod, two dumbbell pieces which are symmetrically distributed are arranged on the outer surface of the dumbbell rod, locking blocks are arranged on the outer sides of the two dumbbell pieces, and locking rings are arranged on the outer surfaces, close to each other, of the two dumbbell pieces. By moving the locking blocks and adjusting the positions of the connecting columns on the dumbbell rod, a user can easily adjust the distance between the dumbbell pieces according to individual training requirements and body conditions, the flexibility not only improves the applicability of the dumbbell, but also allows the user to achieve diversified training effects on the same pair of dumbbells, and the user experience is improved. Due to the multifunctionality, the cost and the space requirement for purchasing various fitness equipment by a user are reduced.

Description

Technical Field

[0001] This utility model relates to the field of dumbbell technology, and more specifically, to a multifunctional dumbbell with adjustable spacing. Background Technology

[0002] A dumbbell is a type of fitness equipment, typically consisting of two equally weighted discs (dumbbell plates) connected by a short bar (dumbbell handle). The design of dumbbells allows users to perform various strength training, muscle building, and conditioning exercises by holding them. The weight of dumbbells can be adjusted to meet individual needs, ranging from a few pounds to hundreds of pounds, to satisfy different training intensities and objectives.

[0003] Patent CN219815167U discloses a dumbbell comprising: multiple dumbbell plates, a support portion, and an operating portion. The operating portion is rotatably connected to the support portion so that the support portion can controllably support one or more dumbbell plates. The dumbbell further includes a limiting disc connected to the operating portion and a first positioning member and a second positioning member connected to the support portion. The outer side of the limiting disc includes multiple limiting grooves arranged circumferentially, and the inner side of the limiting disc includes multiple limiting slots arranged circumferentially. The first positioning member and the second positioning member are detachably connected to the limiting slots. Applying this technical solution can reduce the risk of dumbbell plates slipping off.

[0004] Although the device has many benefits, it still has the following problems: While the dumbbell can reduce the risk of the dumbbell plates slipping, most dumbbells on the market are of a fixed structure and cannot adjust the spacing of the dumbbell plates according to the user's body size, strength level or training needs. This means that users need to buy dumbbells of various sizes to meet different training needs, which increases the economic burden and storage space requirements. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a multi-functional dumbbell with adjustable spacing, which solves the aforementioned problems.

[0007] (II) Technical Solution

[0008] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a multi-functional dumbbell with adjustable spacing, comprising a dumbbell bar, two symmetrically distributed dumbbell plates on the outer surface of the dumbbell bar, a locking block on the outer side of each of the two dumbbell plates, and a locking ring on the adjacent outer surface of each of the two dumbbell plates, further comprising:

[0009] Two sets of adjustable locking components are located on the outer surface of the locking block and are used to fix the locking block to the dumbbell bar.

[0010] A snap-fit ​​assembly, located on the outer surface of the dumbbell bar and connected to a locking ring, is used to drive the locking ring against the outer surface of the dumbbell plate.

[0011] Preferably, the adjustable locking assembly includes a movable column, a slot, a snap-fit ​​block, and a connecting column. The connecting column is inserted into the inside of the locking block, and the movable column is slidably connected to the inside of the connecting column. Two symmetrically distributed snap-fit ​​blocks are rotatably connected to the outer surface of the movable column, and two symmetrically distributed slots are opened on the outer surface of the connecting column. The two snap-fit ​​blocks are movably connected to the corresponding slots.

[0012] Preferably, a return spring is elastically connected to the outer surface of the movable column, the return spring is located inside the connecting column, and a compression spring is elastically connected to the end of the movable column, the compression spring being elastically connected to the bottom inner wall of the connecting column.

[0013] Preferably, the outer surface of the connecting post is provided with a first thread, and a threaded block is threadedly connected to the outer surface of the connecting post, the threaded block being located above the locking block.

[0014] Preferably, the outer surface of the dumbbell bar has multiple equidistant connecting holes, and the two connecting posts are inserted into the corresponding connecting holes.

[0015] Preferably, the snap-fit ​​assembly includes a groove and a second thread, and the outer surface of the dumbbell bar has two symmetrically distributed second threads. The two locking rings are threadedly connected to the corresponding second threads. The outer surface of the dumbbell bar has multiple intersecting grooves, and the two second threads are located on both sides of the grooves.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, this utility model provides a multi-functional dumbbell with adjustable spacing, which has the following beneficial effects:

[0018] 1. This adjustable-gap multi-functional dumbbell allows users to easily adjust the spacing between dumbbell plates according to their individual training needs and physical conditions by moving the locking block and adjusting the position of the connecting column on the dumbbell bar. This flexibility not only improves the applicability of the dumbbell but also allows users to achieve diverse training effects on the same pair of dumbbells. This versatility reduces the cost and space requirements for users to purchase multiple fitness equipment.

[0019] 2. This adjustable-gap multi-functional dumbbell features a clever design with a movable column, locking block, compression spring, and return spring, making the disassembly and installation of the dumbbell plates simple and quick. Users can easily remove the dumbbell plates by simply pushing the movable column to release the locking block from the slot; conversely, inserting the connecting column into the connecting hole and rotating the threaded block while pushing the movable column ensures a secure installation of the dumbbell plates. Because the dumbbell plates can be easily disassembled and installed, the dumbbell can be disassembled into smaller parts for storage when not in use, reducing storage space requirements. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This utility model Figure 1 Enlarged view of the structure at point A in the middle;

[0022] Figure 3 This is a schematic diagram of the connecting component structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the movable column structure of this utility model;

[0024] Figure 5 This is a schematic diagram of the second thread structure of this utility model.

[0025] In the diagram: 1. Dumbbell bar; 2. Dumbbell plate; 3. Locking ring; 4. Locking block; 5. Connecting hole; 6. Groove; 7. Movable column; 8. Threaded block; 9. First thread; 10. Slot; 11. Snap-fit ​​block; 12. Connecting column; 13. Compression spring; 14. Return spring; 15. Second thread. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-5 This utility model provides a technical solution:

[0028] An adjustable-gap multi-functional dumbbell includes a dumbbell bar 1, with two symmetrically distributed dumbbell plates 2 on the outer surface of the dumbbell bar 1. Each dumbbell plate 2 has a locking block 4 on its outer side, and locking rings 3 on the adjacent outer surfaces of the two dumbbell plates 2. The dumbbell bar 1 also includes:

[0029] Two sets of adjustable locking components are located on the outer surface of the locking block 4 and are used to fix the locking block 4 to the dumbbell bar 1.

[0030] A snap-fit ​​assembly, located on the outer surface of the dumbbell bar 1 and connected to the locking ring 3, is used to drive the locking ring 3 to press against the outer surface of the dumbbell plate 2, and to move the locking block 4 on the dumbbell bar 1.

[0031] Furthermore, the adjustable locking assembly includes a movable post 7, a slot 10, a snap-fit ​​block 11, and a connecting post 12. The connecting post 12 is inserted into the inside of the locking block 4, and the movable post 7 is slidably connected inside the connecting post 12. Two symmetrically distributed snap-fit ​​blocks 11 are rotatably connected to the outer surface of the movable post 7. Two symmetrically distributed slots 10 are opened on the outer surface of the connecting post 12. The two snap-fit ​​blocks 11 are movably connected to the corresponding slots 10. After the two connecting posts 12 move the position of the slots 10, the two snap-fit ​​blocks 11 unfold.

[0032] Furthermore, a return spring 14 is elastically connected to the outer surface of the movable column 7. The return spring 14 is located inside the connecting column 12. A compression spring 13 is elastically connected to the end of the movable column 7. The compression spring 13 is elastically connected to the bottom inner wall of the connecting column 12. The movable column 7 is pushed further, causing the movable column 7 to squeeze the compression spring 13.

[0033] Furthermore, the outer surface of the connecting post 12 is provided with a first thread 9, and a threaded block 8 is threadedly connected to the outer surface of the connecting post 12. The threaded block 8 is located above the locking block 4. By rotating the threaded block 8, the threaded block 8 moves to the top of the locking block 4 under the cooperation of the first thread 9.

[0034] Furthermore, the outer surface of the dumbbell bar 1 is provided with multiple equidistant connecting holes 5. Two connecting posts 12 are inserted into the corresponding connecting holes 5. The connecting posts 12 are inserted into the locking block 4 and then pass through the corresponding connecting holes 5 on the dumbbell bar 1.

[0035] Furthermore, the snap-fit ​​assembly includes a groove 6 and a second thread 15. Two symmetrically distributed second threads 15 are formed on the outer surface of the dumbbell bar 1. Two locking rings 3 are threadedly connected to the corresponding second threads 15. Multiple intersecting grooves 6 are formed on the outer surface of the dumbbell bar 1. The two second threads 15 are located on both sides of the grooves 6. By rotating the locking ring 3, it moves to the outer surface of the dumbbell plate 2 under the cooperation of the second threads 15. With the cooperation of the locking block 4 and the locking ring 3, the dumbbell plate 2 is fixed on the dumbbell bar 1, and the spacing between the two dumbbell plates 2 can be adjusted. The multiple grooves 6 can increase friction and facilitate user use.

[0036] Working principle: When the operator needs to use this adjustable-gap multi-functional dumbbell, and needs to adjust the position of the dumbbell plates 2, first move the locking block 4 on the dumbbell bar 1 to the appropriate position. Then, insert the connecting post 12 into the locking block 4 and pass it through the corresponding connecting hole 5 on the dumbbell bar 1. Then, push the movable post 7 inside the connecting post 12. During the movement, the movable post 7 compresses the spring 13. During the movement, the return spring 14 pulls the movable post 7. The locking block 11 fits against the inner wall of the connecting post 12. As the two connecting posts 12 move to the position of the slot 10, the two locking blocks 11 unfold. Then, rotate the threaded block 8 so that it moves to the top of the locking block 4 under the engagement of the first thread 9, thereby connecting the connecting post 12 with the locking block 4. Continue to push the movable post 7 so that it squeezes and compresses the spring 13. Then, the two snap-fit ​​blocks 11 are retracted into the connecting post 12 through the slot 10, thus enabling disassembly. Then, rotate the locking ring 3 so that it moves to the outer surface of the dumbbell plate 2 under the engagement of the second thread 15. With the engagement of the locking block 4 and the locking ring 3, the dumbbell plate 2 is fixed on the dumbbell bar 1, and the spacing between the two dumbbell plates 2 can be adjusted. The multiple grooves 6 can increase friction and facilitate user use.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-functional adjustable spacing dumbbell comprising a dumbbell bar (1), characterized in that: The outer surface of the dumbbell rod (1) is provided with two symmetrically distributed dumbbell plates (2), the outer side of each of the two dumbbell plates (2) is provided with a locking block (4), the outer surface of each of the two dumbbell plates (2) close to each other is provided with a locking ring (3), and the device further comprises: Two groups of adjustable locking assemblies are arranged on the outer surface of the locking block (4) and used for fixedly connecting the locking block (4) and the dumbbell rod (1); A clamping assembly is arranged on the outer surface of the dumbbell rod (1) and connected with the locking ring (3) and used for driving the locking ring (3) to abut against the outer surface of the dumbbell plate (2).

2. The adjustable spacing multi-functional dumbbell of claim 1, wherein: The adjustable locking assembly comprises a movable column (7), a notch (10), a clamping block (11) and a connecting column (12), the connecting column (12) is inserted into the locking block (4), the movable column (7) is slidably connected to the inside of the connecting column (12), the outer surface of the movable column (7) is rotatably connected with two symmetrically distributed clamping blocks (11), and the outer surface of the connecting column (12) is provided with two symmetrically distributed notches (10), and the two clamping blocks (11) are movably connected with the corresponding notches (10).

3. The multi-functional adjustable spacing dumbbell of claim 2, wherein: The outer surface of the movable column (7) is elastically connected with a return spring (14), the return spring (14) is located in the connecting column (12), the end of the movable column (7) is elastically connected with a compression spring (13), and the compression spring (13) is elastically connected with the inner wall at the bottom of the connecting column (12).

4. The adjustable spacing multi-functional dumbbell of claim 2, wherein: The outer surface of the connecting column (12) is provided with a first thread (9), the outer surface of the connecting column (12) is threadedly connected with a threaded block (8), and the threaded block (8) is located above the locking block (4).

5. The adjustable spacing multi-functional dumbbell of claim 2, wherein: The outer surface of the dumbbell rod (1) is provided with a plurality of equidistantly distributed connecting holes (5), and the two connecting columns (12) are inserted into the corresponding connecting holes (5).

6. The adjustable spacing multi-functional dumbbell of claim 1, wherein: The clamping assembly comprises a groove (6) and a second thread (15), the outer surface of the dumbbell rod (1) is provided with two symmetrically distributed second threads (15), the two locking rings (3) are threadedly connected with the corresponding second threads (15), the outer surface of the dumbbell rod (1) is provided with a plurality of interlaced grooves (6), and the two second threads (15) are located on the two sides of the groove (6).

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