Dumbbell capable of quickly replacing counterweight disc

Abstract

The utility model relates to the technical field of fitness equipment, in particular to a dumbbell with counterweight discs capable of being replaced quickly, which comprises square first counterweight discs, a handle component arranged between the two first counterweight discs, a plurality of second counterweight discs arranged on one side of the first counterweight discs, and a handle component arranged on the other side of the first counterweight discs. A fixing nut is arranged on one side of the second balance weight disc, a handle groove is formed in the second balance weight disc and penetrates through the second balance weight disc, a second center hole is formed in the center of the second balance weight disc, and a horn notch is formed in the side wall of the second center hole; the balancing weight has the advantages that fixing nuts at the two ends do not need to be disassembled when the balancing weight is added, the balancing weight nuts are slightly loosened, the balancing weight disc can be inserted, the time for disassembling and assembling the nuts is saved, and the balancing weight can be added, reduced or replaced more rapidly.

Description

TECHNICAL FIELD

[0001] The utility model relates to body -building equipment technical field, concretely is a dumbbell of quick replacement counterweight disc. BACKGROUND

[0002] Several centuries ago, the athletes of the Tudor dynasty in England were worried about how to exercise the upper limb muscles, and later found that heavy bells could be used as equipment for exercise, but the use of bells for exercise would make a clattering sound and cause noise interference to people nearby, so the bells were removed and then exercised, so that there would be no sound, and thus the dumbbell was produced, and now the dumbbell has become a must-exercise item for body-building personnel, and can effectively exercise many muscles of the upper limbs.

[0003] In the prior art, a common dumbbell is provided with disc type counterweight blocks sleeved on both sides of the handle rod of the dumbbell, and if it is necessary to add or reduce the counterweight blocks, the fixed nuts on both sides of the handle can be completely disassembled and then the counterweight blocks can be sleeved or removed to the two sides, but the fixed nuts need to be completely disassembled every time the counterweight blocks are replaced, which is too troublesome. Therefore, the utility model provides a dumbbell with quick replacement counterweight disc to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a dumbbell with quick replacement counterweight disc to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a dumbbell with quick replacement counterweight disc, comprising: first counterweight discs, the first counterweight discs are arranged in a square shape, a handle assembly is arranged between two first counterweight discs, a plurality of second counterweight discs are arranged on one side of the first counterweight disc, a fixed nut is arranged on one side of the second counterweight disc, a handle slot is formed in the second counterweight disc, the handle slot penetrates through the second counterweight disc, a second center hole is formed in the center of the second counterweight disc, and a trumpet notch is formed in the side wall of the second center hole.

[0006] Preferably, the first counterweight disc and the second counterweight disc are both provided with a clamping block on one side, a sliding slot is formed in the other side of each first counterweight disc, and the sliding slot is matched with the clamping block.

[0007] Preferably, the two sides of the sliding slot are arranged as first inclined surfaces, the two sides of the clamping block are arranged as second inclined surfaces, and the first inclined surfaces and the second inclined surfaces are matched.

[0008] Preferably, a semicylinder is fixedly installed on the top wall of the handle slot.

[0009] Preferably, a first center hole is formed in the center of the first counterweight disc, and a plurality of through holes are formed around the first center hole.

[0010] Preferably, the handle assembly comprises a center rod and a handle rod, the center rod is through two first center holes and second center holes and extends to both sides, the handle rod is sleeved in the middle of the center rod and is fixedly connected with the center rod.

[0011] Preferably, a plurality of cross lines are arranged on the handle rod, a plurality of clamping columns are fixedly installed at both ends of the handle rod, and the clamping columns are matched with the through holes.

[0012] Preferably, a plurality of arc concaves are arranged on the side surface of the fixing nut, and a plurality of rubber blocks are installed on one side of the fixing nut.

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

[0014] The utility model discloses a square insertable counterweight disc, through the setting of relevant structures, effectively make when increasing counterweight block not need to remove both ends fixed nut, but slightly loosen counterweight nut, make counterweight disc can be inserted, save the time of dismounting nut, make adding, reducing or replacing counterweight block more rapid. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is three -dimensional structure schematic diagram of first counterweight disc of the utility model;

[0017] Figure 3 It is three -dimensional structure schematic diagram of handle assembly and first counterweight disc of the utility model;

[0018] Figure 4 It is three -dimensional structure schematic diagram of second counterweight disc of the utility model;

[0019] Figure 5 It is three -dimensional structure schematic diagram of second counterweight disc of the utility model;

[0020] Figure 6 It is three -dimensional structure schematic diagram of new fixed nut of the utility model.

[0021] In the drawing: 1, handle assembly;2, first counterweight disc;3, second counterweight disc;4, fixed nut;5, clamping block;6, first center hole;7, through -hole;8, arc concave;9, rubber block;10, center rod;11, handle rod;12, cross line;13, clamping column;14, handle groove;15, semicircle column;16, second center hole;17, horn gap;18, sliding slot;19, first inclined plane;20, second inclined plane. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme of the utility model clear, complete description, and the advantage is more clear and obvious, the following will combine the drawings to further describe the utility model embodiment. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the utility model embodiments, and not used to limit the utility model embodiments, all other embodiments obtained by the ordinary skilled in the art without creative labor are within the scope of the utility model protection.

[0023] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it needs to be explained that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by referring to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that these embodiments can not be limited to these specific details in practice for ordinary skilled in the art. In some examples, well-known methods and structures are not described in detail to avoid unnecessary difficulty in understanding these embodiments. In addition, all embodiments can be used in combination with each other.

[0026] Embodiment one

[0027] Please refer to Figure 1 , Figure 2 , Figure 4 and Figure 5The utility model provides a technical scheme: a dumbbell of quick replacement counterweight disc, it includes: first counterweight disc 2, first counter weight disc 2 is provided with square, the design of square makes when dumbbell is placed on the ground not randomly roll, two first counterweight disc 2 are provided with handle assembly 1 between, handle assembly 1 is used for supporting all counterweight plate, first counterweight disc 2 one side is provided with a plurality of second counterweight disc 3, second counterweight disc 3 is provided at both ends of handle assembly 1, second counterweight disc 3 one side is provided with fixed nut 4, fixed nut 4 is used for fixing the counterweight disc of both sides.

[0028] Second counterweight disc 3 is provided with lifting handle groove 14, lifting handle groove 14 is used for conveniently lifting second counterweight disc 3, and make in the process of taking not easy to separate, lifting handle groove 14 is through second counterweight disc 3, so as to insert hand into lifting handle groove 14, the centre of second counterweight disc 3 is provided with second centre hole 16, second centre hole 16 is used for being connected with handle assembly 1, the side wall of second centre hole 16 is provided with horn gap 17, the setting is for the convenience of inserting second counterweight disc 3, the one side of first counterweight disc 2 and second counterweight disc 3 is installed with clamping block 5, the clamping block 5 on first counterweight disc 2 is for the sliding slot 18 of second counterweight disc 3 adjacent to it is clamped, the other side of each first counterweight disc 2 is provided with sliding slot 18, and the sliding slot 18 is for clamping block 5, and the sliding slot 18 and clamping block 5 are adapted, and the clamping block 5 on each second counterweight disc 3 is for the sliding slot 18 of next second counterweight disc 3 to be clamped, so when lifting dumbbell, the counterweight disc does not rotate in disorder, the both sides of sliding slot 18 are provided as first inclined plane 19, the both sides of clamping block 5 are provided as second inclined plane 20, when clamping block 5 is inserted into sliding slot 18, first inclined plane 19 and second inclined plane 20 will be slidingly connected, first inclined plane 19 and second inclined plane 20 are adapted, and first inclined plane 19 and second inclined plane 20 do not occur horizontal displacement, the top wall of lifting handle groove 14 is fixedly installed with semicylinder 15, the setting is for protecting the hand inserted into lifting handle groove 14, so that the contact area between the both is increased to reduce the pressure under the same pressure, so that the hand feeling is better.

[0029] When actually using, first counterweight disc 2 is used first, first counterweight disc 2 can be installed in the innermost layer of dumbbell, along with the increase of user's strength, more second counterweight disc 3 can be inserted, by loosening the fixed nut 4 of both sides, then inserting second counterweight disc 3 on the side of first counterweight disc 2, in the process of insertion, the sliding block of first counterweight disc 2 needs to be inserted into the sliding slot 18 of second counterweight disc 3, finally rotating fixed nut 4 to make it fixed.

[0030] Example two

[0031] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 6On the basis of embodiment one, the first counterweight disc 2 is provided with a first center hole 6 in the center, the first center hole 6 allows the first counterweight disc 2 to be installed on the center rod 10, a plurality of through holes 7 are provided around the first center hole 6, the plurality of through holes 7 are the key to ensure that they cannot rotate at will, the handle assembly 1 includes the center rod 10 and the handle rod 11, the center rod 10 is used to penetrate the centers of the first counterweight disc 2 and the second counterweight disc 3, the handle rod 11 is used for convenient lifting, the center rod 10 penetrates the two first center holes 6 and the second center hole 16 and extends to both sides, the center rod 10 penetrates the two fixed nuts 4 and is threadedly connected with them, the handle rod 11 is sleeved on the center rod 10 and is fixedly connected with it, a plurality of cross lines 12 are provided on the handle rod 11 to ensure that it cannot easily slip during use, a plurality of clamping columns 13 are fixedly installed at both ends of the handle rod 11, the clamping columns 13 are matched with the through holes 7, the plurality of clamping columns 13 respectively extend into the plurality of through holes 7 and are slidably connected with them, so that the first counterweight disc 2 cannot rotate relative to the handle rod 11, a plurality of arc-shaped concave surfaces 8 are provided on the side surface of the fixed nut 4, the arc-shaped concave surfaces 8 allow the fixed nut 4 to rotate easily, a plurality of rubber blocks 9 are installed on one side of the fixed nut 4, and the rubber blocks 9 allow the fixed nut 4 to fix the first counterweight disc 2 and the second counterweight disc 3 more firmly.

[0032] In actual use, first, the first counterweight disc 2 is used, the first counterweight disc 2 can be installed in the innermost layer of the dumbbell, more second counterweight discs 3 can be inserted as the user's strength increases, the fixed nuts 4 on both sides are loosened, then the second counterweight disc 3 is inserted on the side surface of the first counterweight disc 2, in the process of insertion, the sliding block of the first counterweight disc 2 needs to be inserted into the sliding groove 18 of the second counterweight disc 3, finally, the fixed nut 4 is rotated to fix it, when a plurality of second counterweight discs 3 are installed, the sliding block of the previous second counterweight disc 3 needs to be inserted into the sliding groove 18 of the next second counterweight disc 3, and the fixed nut 4 is rotated, and the rubber blocks 9 tightly press the first counterweight disc 2 or the second counterweight disc 3.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dumbbell with quick-change weight plates, comprising: The utility model provides a first counterweight disc (2), it is characterized by: first counterweight disc (2) is provided as square, be provided with handle assembly (1) between two first counterweight disc (2), a side of first counterweight disc (2) is provided with a plurality of second counterweight disc (3), a side of second counterweight disc (3) is provided with fixed nut (4), is seted up in second counterweight disc (3) and is drawn out handle groove (14), handle groove (14) penetrates second counterweight disc (3), the centre of second counterweight disc (3) is seted up and is seted up with second center hole (16), the side wall of second center hole (16) is seted up with horn notch (17).

2. A dumbbell with quickly replaceable weight plates according to claim 1, characterized in that: One side of first counterweight disc (2) and second counterweight disc (3) is mounted with clamping block (5), the other side of each first counterweight disc (2) is seted up with sliding slot (18), and sliding slot (18) is matched with clamping block (5).

3. A dumbbell with quickly replaceable weight disks according to claim 2, characterized in that: Both sides of sliding slot (18) are provided as first inclined plane (19), both sides of clamping block (5) are provided as second inclined plane (20), and first inclined plane (19) and second inclined plane (20) are matched.

4. A dumbbell with quickly replaceable weight disks according to claim 3, characterized in that: The top wall of handle groove (14) is fixedly installed with semicylinder (15).

5. A quick-change weight plate dumbbell according to claim 4, wherein: The centre of first counterweight disc (2) is seted up with first center hole (6), and a plurality of through holes (7) are seted up around first center hole (6).

6. A quick-change weight plate dumbbell according to claim 5, wherein: Handle assembly (1) includes center rod (10) and handle rod (11), center rod (10) penetrates two first center holes (6) and second center hole (16) and extends to both sides, handle rod (11) is sleeved in the middle of center rod (10) and is fixedly connected with it.

7. A quick-change weight plate dumbbell according to claim 6, wherein: A plurality of cross lines (12) are arranged on handle rod (11), a plurality of clamping columns (13) are fixedly installed on both ends of handle rod (11), and clamping column (13) is matched with through hole (7).

8. A quick-change weight plate dumbbell according to claim 7, wherein: The side of fixed nut (4) is provided with a plurality of arc concave surfaces (8), and a plurality of rubber blocks (9) are installed on one side of fixed nut (4).

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