Dumbbell convenient to disassemble and assemble

Abstract

The utility model discloses a dumbbell convenient to disassemble and assemble, which relates to the field of sports equipment and comprises a fixing rod, mounting plates are fixed at two ends of the fixing rod, a plurality of T-shaped sliding grooves are formed in the mounting plates, and the T-shaped sliding grooves are annularly distributed on the mounting plates at equal intervals by taking the axial direction of the fixing rod as the center; t-shaped sliding grooves are formed in the fixing rod, T-shaped sliding strips are inserted into the T-shaped sliding grooves, balancing weights are fixed to the T-shaped sliding strips, two baffles are rotationally arranged on the fixing rod, the opposite faces of the two baffles make contact with the opposite ends of the T-shaped sliding strips on the two sides respectively, and notches matched with the ends of the T-shaped sliding strips are formed in the baffles. A fixing assembly is arranged between the baffle and the mounting disc and used for fixing the baffle. The dumbbell has the advantages that the T-shaped sliding strips can be pulled out of the T-shaped sliding grooves or installed in the T-shaped sliding grooves by rotating the baffles to enable the notches to correspond to the T-shaped sliding strips, the balancing weights on the installation disc can be rapidly increased or decreased, the disassembling and assembling speed of the dumbbell is increased, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of sports equipment, in particular to a dumbbell which is easy to assemble and disassemble. Background Art

[0002] When adjusting the weight of the existing dumbbells, it is necessary to add or remove dumbbell plates, and the dumbbell plates are fixed to the dumbbell rod through a threaded sleeve. When adding or removing dumbbell plates, it is necessary to rotate the threaded sleeve until the threaded sleeve is separated from the dumbbell rod, and then the dumbbell plates on the dumbbell rod can be added or removed. After the dumbbell plates are adjusted, the threaded sleeve is installed on the dumbbell rod to fix the dumbbell plates. In actual operation, the threaded sleeve has to rotate a large number of times, which makes it very troublesome to disassemble and assemble the dumbbells with this structure. Utility Model Content

[0003] The purpose of the present invention is to provide a dumbbell that is easy to disassemble and assemble in order to solve the above problems, as described below.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model provides a dumbbell that is easy to disassemble and assemble, comprising a fixed rod, both ends of which are fixed with mounting plates, a plurality of T-shaped slots are provided in the mounting plate, and the plurality of T-shaped slots are distributed on the mounting plate in an annular shape with the axial direction of the fixed rod as the center and at equal distances;

[0006] A T-shaped slide bar is inserted in the T-shaped slide bar, a counterweight block is fixed on the T-shaped slide bar, two baffles are rotatably arranged on the fixing rod, the back surfaces of the two baffles are respectively in contact with the opposite ends of the T-shaped slide bar on both sides, a notch is provided on the baffle plate to match the end of the T-shaped slide bar, and a fixing component is arranged between the baffle plate and the mounting plate for fixing the baffle plate;

[0007] When the baffle is fixed by the fixing assembly, the notch is misaligned with the end of the T-shaped slide bar.

[0008] When the weight of the dumbbell is adjusted by using the above-mentioned easy-to-disassemble dumbbell, the fixing assembly on the baffle is first released, and the spring pin is pulled to disengage the movable pin of the spring pin from the clamping hole, and then the baffle can be rotated. By rotating the baffle, the notch corresponds to the T-shaped slide bar, and then the T-shaped slide bar can be pulled out of the T-shaped slide slot or installed into the T-shaped slide slot, so as to quickly increase or decrease the counterweight block on the mounting plate. When adjusting the weight of the dumbbell, the number of counterweight blocks on the two mounting plates needs to be increased or decreased at the same time to ensure weight balance. The T-shaped slide bar is blocked by the baffle plate so that the T-shaped slide bar cannot move in the T-shaped slide slot, thereby ensuring the stability of the counterweight block on the mounting plate.

[0009] The diameter of the grip mechanism can be adjusted according to the size of the user's hand, thereby improving the firmness of the user's grip when using the dumbbells.

[0010] Preferably, the T-shaped slide bar is clearance-matched with the inner wall of the T-shaped slide groove, the opposite ends of the two T-shaped slide grooves pass through the mounting plate, and the end of the T-shaped slide bar corresponding to the baffle is flush with the side of the mounting plate.

[0011] Preferably, the fixing assembly comprises a spring pin and a clamping hole, the spring pin is fixed on the baffle, the mounting plate is provided with a clamping hole, and a movable pin of the spring pin passes through the baffle and is plugged into the clamping hole.

[0012] Preferably, the surface of the counterweight is provided with an elastic protective layer.

[0013] Preferably, a handle mechanism with adjustable diameter is provided on the surface of the fixed rod.

[0014] Preferably, the handle mechanism comprises a plurality of movable rods, the length direction of the movable rods is parallel to the length direction of the fixed rod, and the plurality of movable rods are equidistantly distributed on the periphery of the fixed rod along the radial direction of the fixed rod, two guide rods are arranged inside the movable rod for radial sliding along the fixed rod, the guide rods are fixed to the fixed rod, and a stop block is fixed to the other end of the fixed rod, a spring is sleeved on the surface of the guide rod, and the two ends of the spring are respectively fixed to the stop block and the movable rod, two conical blocks are threadedly connected to the surface of the fixed rod, and the two conical blocks are symmetrically arranged, and the two ends of the movable rod are respectively in contact with the conical surfaces of the two conical blocks.

[0015] Preferably, both ends of the movable rod are designed to be arc-shaped, and a silicone sleeve is provided on the surface of the movable rod.

[0016] Preferably, a turntable is fixed on the conical block.

[0017] The beneficial effects are:

[0018] 1. By rotating the baffle plate to make the notch correspond to the T-shaped slide bar, the T-shaped slide bar can be pulled out of the T-shaped slide slot or installed into the T-shaped slide slot, so as to quickly increase or decrease the weight block on the installation plate, increase the disassembly and assembly speed of the dumbbell, and facilitate use;

[0019] 2. Fix the baffle plate through the fixing assembly so that the baffle plate continuously blocks the end of the T-shaped slide bar to ensure the stability of the counterweight block installed on the mounting plate;

[0020] 3. By adjusting the diameter of the handle mechanism, the size of the handle mechanism can be adapted to users with different hand sizes, ensuring that the user has a firm grip when using the dumbbell, thereby increasing the applicability of the dumbbell. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is a front view structural schematic diagram of the utility model;

[0023] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the installation plate of the utility model;

[0025] Figure 4 This is a three-dimensional structural schematic diagram of the installation plate of the utility model from another perspective;

[0026] Figure 5 It is a three-dimensional structural schematic diagram of the handle mechanism of the utility model.

[0027] The following are the descriptions of the reference numerals:

[0028] 1. Fixed rod; 2. Mounting plate; 3. Counterweight; 4. Baffle; 5. Notch; 6. Spring pin; 7. Clamp hole; 8. T-shaped slide bar; 9. T-shaped slide groove; 10. Handle mechanism; 11. Conical block; 12. Turntable; 13. Movable rod; 14. Silicone sleeve; 15. Guide rod; 16. Block; 17. Spring; 18. Fixed assembly. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0030] See also Figure 1-Figure 5 As shown, the utility model provides a dumbbell that is easy to disassemble and assemble, including a fixed rod 1, both ends of the fixed rod 1 are fixed with mounting plates 2, a plurality of T-shaped slots 9 are opened in the mounting plate 2, and the plurality of T-shaped slots 9 are distributed on the mounting plate 2 in an annular manner with the axial direction of the fixed rod 1 as the center and at equal distances;

[0031] A T-shaped slide bar 8 is inserted into the T-shaped slide groove 9, a counterweight block 3 is fixed on the T-shaped slide bar 8, two baffles 4 are rotatably arranged on the fixed rod 1, the back faces of the two baffles 4 are respectively in contact with the opposite ends of the T-shaped slide bar 8 on both sides, a notch 5 adapted to the end of the T-shaped slide bar 8 is opened on the baffle 4, and a fixing component 18 is arranged between the baffle 4 and the mounting plate 2 for fixing the baffle 4;

[0032] When the baffle 4 is fixed by the fixing assembly 18 , the notch 5 is misaligned with the end of the T-shaped slide bar 8 .

[0033] As an optional embodiment, the T-shaped slide bar 8 is matched with the inner wall gap of the T-shaped slide groove 9, the opposite ends of the two T-shaped slide grooves 9 pass through the mounting plate 2, and the end of the T-shaped slide bar 8 corresponding to the baffle 4 is flush with the side of the mounting plate 2;

[0034] The counterweight 3 can be installed on the mounting plate 2 by the cooperation of the T-shaped sliding groove 9 and the T-shaped sliding strip 8 .

[0035] The fixing assembly 18 includes a spring pin 6 and a clamping hole 7. The spring pin 6 is fixed on the baffle 4. The clamping hole 7 is opened on the mounting plate 2. The movable pin of the spring pin 6 passes through the baffle 4 and is plugged into the clamping hole 7.

[0036] Pull the spring pin 6 to disengage the movable pin of the spring pin 6 from the clamping hole 7, and then the baffle plate 4 can be rotated to block the T-shaped slide bar 8 through the baffle plate 4, so that the T-shaped slide bar 8 cannot move in the T-shaped slide groove 9.

[0037] The surface of the counterweight 3 is provided with an elastic protective layer.

[0038] The surface of the fixed rod 1 is provided with a grip mechanism 10 with an adjustable diameter. The diameter of the grip mechanism 10 can be adjusted according to the size of the user's hand to improve the firmness of the user's grip when using the dumbbell. The thickness of the existing dumbbell grip part cannot be adjusted. For the user, no matter the dumbbell rod is too thick or too thin, it is impossible to grip it stably.

[0039] The grip mechanism 10 includes a plurality of movable rods 13, the length direction of the movable rods 13 is parallel to the length direction of the fixed rod 1, and the plurality of movable rods 13 are equidistantly distributed on the periphery of the fixed rod 1 along the radial direction of the fixed rod 1, two guide rods 15 are arranged in the movable rod 13 to slide radially along the fixed rod 1, the guide rod 15 is fixed to the fixed rod 1, and a stopper 16 is fixed to the other end of the fixed rod 1, a spring 17 is sleeved on the surface of the guide rod 15, and the two ends of the spring 17 are respectively fixed to the stopper 16 and the movable rod 13, two conical blocks 11 are threadedly connected to the surface of the fixed rod 1, and the two conical blocks 11 are symmetrically arranged, and the two ends of the movable rod 13 are respectively in contact with the conical surfaces of the two conical blocks 11;

[0040] The two conical blocks 11 are rotated to make the two conical blocks 11 approach each other. The two conical blocks 11 squeeze the two ends of the movable rod 13 so that the movable rod 13 can move radially along the fixed rod 1, thereby increasing the diameter of the handle mechanism 10. When the two conical blocks 11 move away from each other, the movable rod 13 will approach the fixed rod 1 under the pull of the spring 17, thereby reducing the diameter of the handle mechanism 10.

[0041] Both ends of the movable rod 13 are designed to be arc-shaped, which can reduce the friction between the end of the movable rod 13 and the conical surface of the conical block 11. A silicone sleeve 14 is provided on the surface of the movable rod 13, which can improve the comfort and stability when grasping the movable rod 13.

[0042] A turntable 12 is fixed on the conical block 11 , and the turntable 12 is used to facilitate the selection of the conical block 11 .

[0043] When the weight of the dumbbell needs to be adjusted by adopting the above structure, first release the fixing of the baffle 4 by the fixing assembly 18, pull the spring pin 6, and disengage the movable pin of the spring pin 6 from the clamping hole 7, then the baffle 4 can be rotated, and by rotating the baffle 4, the notch 5 corresponds to the T-shaped slide 8, then the T-shaped slide 8 can be pulled out of the T-shaped slide groove 9 or installed in the T-shaped slide groove 9, so as to realize the rapid increase or decrease of the counterweight block 3 on the mounting plate 2. When adjusting the weight of the dumbbell, it is necessary to increase or decrease the number of counterweight blocks 3 on the two mounting plates 2 at the same time to ensure the weight balance, and the baffle 4 blocks the T-shaped slide 8 so that the T-shaped slide 8 cannot move in the T-shaped slide groove 9, thereby ensuring the stability of the counterweight block 3 on the mounting plate 2;

[0044] The diameter of the grip mechanism 10 can be adjusted according to the size of the user's hand, thereby improving the firmness of the user's grip when using the dumbbell.

[0045] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A dumbbell that is easy to assemble and disassemble, characterized in that: It comprises a fixing rod (1), both ends of which are fixed with a mounting plate (2), a plurality of T-shaped sliding grooves (9) are provided in the mounting plate (2), and the plurality of T-shaped sliding grooves (9) are distributed on the mounting plate (2) in a circular shape and at equal distances with the axial direction of the fixing rod (1) as the center; A T-shaped slide bar (8) is inserted into the T-shaped slide groove (9), a counterweight block (3) is fixed on the T-shaped slide bar (8), two baffles (4) are rotatably arranged on the fixing rod (1), the back surfaces of the two baffles (4) are respectively in contact with the opposite ends of the T-shaped slide bar (8) on both sides, a notch (5) adapted to the end of the T-shaped slide bar (8) is opened on the baffle plate (4), and a fixing component (18) is arranged between the baffle plate (4) and the mounting plate (2) for fixing the baffle plate (4); When the baffle (4) is fixed by the fixing assembly (18), the notch (5) is misaligned with the end of the T-shaped slide bar (8).

2. A dumbbell that is easy to assemble and disassemble according to claim 1, characterized in that: The T-shaped slide bar (8) is fitted with the inner wall of the T-shaped slide groove (9) in a clearance, the two opposite ends of the T-shaped slide grooves (9) pass through the mounting plate (2), and the end of the T-shaped slide bar (8) corresponding to the baffle (4) is flush with the side surface of the mounting plate (2).

3. A dumbbell that is easy to assemble and disassemble according to claim 1, characterized in that: The fixing assembly (18) comprises a spring pin (6) and a clamping hole (7); the spring pin (6) is fixed on the baffle (4); the mounting plate (2) is provided with a clamping hole (7); and a movable pin of the spring pin (6) passes through the baffle (4) and is plugged into the clamping hole (7).

4. A dumbbell that is easy to assemble and disassemble according to claim 1, characterized in that: The surface of the counterweight (3) is provided with an elastic protective layer.

5. The dumbbell that is easy to assemble and disassemble according to claim 1, characterized in that: The surface of the fixed rod (1) is provided with a handle mechanism (10) with adjustable diameter.

6. A dumbbell that is easy to assemble and disassemble according to claim 5, characterized in that: The handle mechanism (10) comprises a plurality of movable rods (13), the length direction of the movable rods (13) being parallel to the length direction of the fixed rod (1), and the plurality of movable rods (13) being equidistantly distributed on the periphery of the fixed rod (1) along the radial direction of the fixed rod (1), two guide rods (15) being arranged inside the movable rod (13) and slidingly arranged along the radial direction of the fixed rod (1), the guide rods (15) being fixed to the fixed rod (1), and a stopper (16) being fixed to the other end of the fixed rod (1), a spring (17) being sleeved on the surface of the guide rod (15), and the two ends of the spring (17) being respectively fixed to the stopper (16) and the movable rod (13), the surface of the fixed rod (1) being threadedly connected to two conical blocks (11), and the two conical blocks (11) being symmetrically arranged, and the two ends of the movable rod (13) are respectively in contact with the conical surfaces of the two conical blocks (11).

7. A dumbbell that is easy to assemble and disassemble according to claim 6, characterized in that: Both ends of the movable rod (13) are designed to be arc-shaped, and a silicone sleeve (14) is provided on the surface of the movable rod (13).

8. The dumbbell that is easy to assemble and disassemble according to claim 6, characterized in that: A rotating disk (12) is fixed on the conical block (11).

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