Dumbbell weight adjustment structure

Abstract

The utility model is applicable to the technical field of exercise equipment, and provides a dumbbell weight adjustment structure, comprising: a dumbbell bar; dumbbell plates, wherein the dumbbell plate array is placed at the left and right ends of the dumbbell bar; and a weight adjustment structure, wherein the weight adjustment structure is arranged in the middle of the dumbbell bar, so that the dumbbell bar is connected to the dumbbell plates. Compared with the prior art, the utility model has the beneficial effect that when in use, the dumbbell plates are indirectly connected and fixed to the dumbbell bar, or separated from the dumbbell bar, by rotating the weight adjustment structure, thereby achieving the purpose of adjusting the weight, and the operation is simple and easy to adjust.

Description

Technical Field

[0001] The utility model belongs to the technical field of exercise equipment, in particular to a dumbbell weight adjustment structure. Background Art

[0002] Dumbbells are a simple piece of equipment used to increase muscle strength.

[0003] The traditional dumbbells are composed of a dumbbell bar, dumbbell plates and fixings. Different people and subjects can bear and accept different weights when exercising. Therefore, users need to adjust the number of dumbbell plates according to their own requirements when exercising. When replacing traditional dumbbell plates, the fixings need to be removed first, and then the fixings need to be installed after the dumbbell plates of appropriate weight are removed and installed. This method of removing and installing dumbbell plates is troublesome and time-consuming.

[0004] Therefore, how to provide a dumbbell weight adjustment structure is a problem that those skilled in the art need to solve urgently. Utility Model Content

[0005] The utility model aims to provide a dumbbell weight adjustment structure, aiming to solve the problems mentioned in the background technology.

[0006] The utility model is implemented as follows: a dumbbell weight adjustment structure comprises:

[0007] Dumbbell bar;

[0008] Dumbbell plates, wherein the dumbbell plate array is placed at the left and right ends of the dumbbell bar;

[0009] A weight adjustment structure, which is arranged in the middle of the dumbbell rod to connect the dumbbell rod with the dumbbell plates;

[0010] The weight adjustment structure includes a movable groove positioning block and a movable top column. The movable groove is opened in the middle of the dumbbell rod, the positioning block is fixedly installed in the middle of the movable groove, a bidirectional screw is movably installed in the middle of the positioning block, and adjustment rings are symmetrically installed on the surfaces of the left and right sides of the bidirectional screw. The movable top column is movably installed on the left and right ends of the bidirectional screw and is slidably connected to the movable groove. Connecting holes are symmetrically inclined on the inner side of the upper end of the dumbbell plate, and through holes are symmetrically opened at the left and right ends of the movable groove, and connecting rods are movably placed inside the through holes.

[0011] Preferably, a limit block is symmetrically installed on the surface of the dumbbell bar, an anti-slip sleeve is movably installed in the middle of the surface of the dumbbell bar, a positioning structure is arranged on the limit block, the positioning structure includes a pressure ring and a slide groove, the slide groove is opened at the inner end of the limit block, the pressure ring is slidably installed inside the slide groove, and a limit plate is installed in a circular array on the surface of the limit block and is plugged into the surface of the lower end of the pressure ring.

[0012] Preferably, a placement base is provided below the dumbbell plate, and the shape of the top of the placement base is adapted to the shape of the dumbbell plate.

[0013] Preferably, a weight scale is provided in a circumferential array on the adjusting ring, and corresponds to the weight of each rotation engagement.

[0014] Preferably, the dumbbell plate is arranged in a polygonal shape, and an opening is provided at the upper end of the dumbbell plate, and the width of the opening is the same as the diameter of the dumbbell rod.

[0015] Preferably, the number and positions of the through holes correspond to the connecting holes, and the length of the connecting rod is equal to the sum of the lengths of the through holes and the connecting holes.

[0016] Compared with the prior art, the utility model has the beneficial effect that when in use, the weight adjustment structure is used so that the dumbbell plates are indirectly connected and fixed to the dumbbell rod, or separated from the dumbbell rod by rotation, thereby achieving the purpose of adjusting the weight, and the operation is simple and easy to adjust.

[0017] At the same time, in order to avoid the situation where the surface of the dumbbell bar is relatively smooth and the friction is insufficient, an anti-slip cover is installed on the gripping part of the dumbbell bar surface. At the same time, in order to facilitate the removal of the anti-slip cover for cleaning, a positioning structure is set during installation to fix the position of the placed anti-slip cover to prevent movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 A schematic diagram of the overall appearance of a dumbbell weight adjustment structure provided by an embodiment of the utility model;

[0020] Figure 2 A schematic diagram of a front cross-sectional structure of a dumbbell weight adjustment structure provided by an embodiment of the utility model;

[0021] Figure 3 A schematic diagram of a left-side cross-sectional structure of a dumbbell weight adjustment structure provided by an embodiment of the utility model;

[0022] Figure 4 A first right side cross-sectional structural schematic diagram of a dumbbell weight adjustment structure provided by an embodiment of the utility model;

[0023] Figure 5 A second right side cross-sectional structural schematic diagram of a dumbbell weight adjustment structure provided by an embodiment of the utility model;

[0024] Figure 6 The embodiment of the utility model provides Figure 2 Schematic diagram of the enlarged structure of part A.

[0025] In the figure: 1-dumbbell bar, 2-movable groove, 3-positioning block, 4-bidirectional screw, 5-adjusting ring, 6-movable top column, 7-through hole, 8-connecting hole, 9-connecting rod, 10-dumbbell plate, 11-anti-slip sleeve, 12-limiting block, 13-slide groove, 14-limiting plate, 15-pressing ring, 16-placing base. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, a dumbbell weight adjustment structure provided by an embodiment of the utility model includes:

[0029] Dumbbell bar 1;

[0030] Dumbbell plates 10, wherein the dumbbell plates 10 are arranged in an array at the left and right ends of the dumbbell bar 1;

[0031] The weight adjustment structure is arranged in the middle of the dumbbell bar 1 to connect the dumbbell bar 1 with the dumbbell plate 10.

[0032] In the embodiment of the utility model, when in use, the two ends of the dumbbell bar 1 are placed in the dumbbell plates 10, and then the weight adjustment structure is rotated so that the dumbbell bar 1 is connected to different numbers of dumbbell plates 10;

[0033] By setting the weight adjustment structure, it is convenient to adjust the corresponding weight according to one's own situation during use, so as to adapt to the use of different groups of people.

[0034] like Figure 1 , Figure 2 , Figure 5 and Figure 6 As shown, as a preferred embodiment of the utility model, a limit block 12 is symmetrically installed on the surface of the dumbbell bar 1, and an anti-slip sleeve 11 is movably installed in the middle of the surface of the dumbbell bar 1. A positioning structure is arranged on the limit block 12, and the positioning structure includes a pressure ring 15 and a slide groove 13. The slide groove 13 is opened at the inner end of the limit block 12, and the pressure ring 15 is slidably installed inside the slide groove 13. A limit plate 14 is installed in a circular array on the surface of the limit block 12 and is inserted into the surface of the lower end of the pressure ring 15.

[0035] In the embodiment of the utility model, when in use, the pressure ring 15 in the inner slide groove 13 of the limit block 12 is moved, so that the inner end of the pressure ring 15 moves to both sides of the anti-slip sleeve 11 and applies pressure thereto, so that the position of the anti-slip sleeve 11 is fixed;

[0036] By providing a positioning structure, the anti-slip cover 11 can be conveniently removed for cleaning and fixed to prevent it from moving. The anti-slip cover 11 can prevent the dumbbell bar 1 from detaching due to insufficient friction due to its smooth surface.

[0037] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, as a preferred embodiment of the utility model, the weight adjustment structure includes a movable groove 2, a positioning block 3 and a movable top column 6, the movable groove 2 is opened in the middle of the dumbbell bar 1, the positioning block 3 is fixedly installed in the middle of the movable groove 2, a bidirectional screw 4 is movably installed in the middle of the positioning block 3, and adjustment rings 5 ​​are symmetrically installed on the surfaces of the left and right sides of the bidirectional screw 4, the movable top column 6 is movably installed on the left and right ends of the bidirectional screw 4, and is slidably connected to the movable groove 2, the inner side of the upper end of the dumbbell plate 10 is symmetrically inclined with a connecting hole 8, the left and right ends of the movable groove 2 are symmetrically opened with a through hole 7, and a connecting rod 9 is movably placed inside the through hole 7.

[0038] In the embodiment of the utility model, when in use, the adjusting ring 5 on either side is rotated, so that the bidirectional screw 4 is rotated, so that the movable top column 6 slidably mounted on the movable groove 2 inside the dumbbell bar 1 moves outward, and then the connecting rod 9 in the movable groove 2 and the through hole 7 is lifted up, so that it moves into the through hole 7 and the connecting hole 8, so that the dumbbell plate 10 is connected and fixed to the dumbbell bar 1 through the connecting rod 9, thereby achieving the purpose of adjusting the weight;

[0039] By setting the weight adjustment structure, it is convenient to adjust the corresponding weight according to one's own situation during use, so as to adapt to the use of different groups of people.

[0040] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, as a preferred embodiment of the utility model, a placement base 16 is provided below the dumbbell plate 10 , and the shape of the top of the placement base 16 is adapted to the shape of the dumbbell plate 10 .

[0041] In the embodiment of the utility model, when in use, the dumbbell plate 10 is placed on the placement base 16;

[0042] By making the shape of the top of the placement base 16 match the shape of the dumbbell plate 10, the dumbbell plate 10 is prevented from moving and collapsing when placed.

[0043] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, as a preferred embodiment of the utility model, a weight scale is arranged in a circumferential array on the adjusting ring 5, and corresponds to the weight of each rotation and engagement.

[0044] In the embodiment of the utility model, when in use, weight scales are arranged in a circumferential array on the adjustment ring 5, and correspond to the weight of each rotation engagement, so as to facilitate the user to adjust the weight.

[0045] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, as a preferred embodiment of the utility model, the dumbbell plate 10 is arranged in a polygonal shape, and an opening is opened at the upper end of the dumbbell plate 10, and the width of the opening is the same as the diameter of the dumbbell rod 1.

[0046] In the embodiment of the utility model, when in use, the dumbbell plate 10 is arranged into a polygon to avoid rolling, and an opening is opened at the upper end of the dumbbell plate 10, and the width of the opening is the same as the diameter of the dumbbell rod 1, so as to facilitate the separation of the two.

[0047] like Figure 3 and Figure 4 As shown, as a preferred embodiment of the present utility model, the number and position of the through holes 7 correspond to the connecting holes 8, and the length of the connecting rod 9 is equal to the sum of the lengths of the through holes 7 and the connecting holes 8.

[0048] In the embodiment of the utility model, when in use, the movement of the connecting rod 9 is facilitated by making the number and position of the through holes 7 correspond to the connecting holes 8, and the connection and fixation are facilitated by making the length of the connecting rod 9 equal to the sum of the lengths of the through holes 7 and the connecting holes 8.

[0049] The above embodiment of the utility model provides a dumbbell weight adjustment structure. When in use, if the number of dumbbell pieces 10 needs to be adjusted, the adjusting ring 5 on either side is rotated, so that the bidirectional screw 4 is rotated, so that the movable top column 6 slidably mounted on the movable groove 2 inside the dumbbell bar 1 moves outward, and then the connecting rod 9 in the movable groove 2 and the through hole 7 is lifted up, so that it moves into the through hole 7 and the connecting hole 8, so that the dumbbell pieces 10 are connected and fixed to the dumbbell bar 1 through the connecting rod 9, thereby achieving the purpose of adjusting the weight;

[0050] When the adjusting ring 5 rotates in the opposite direction, the movable top column 6 is driven to move inward, and then the connecting rod 9 in the through hole 7 and the connecting hole 8 is moved into the movable groove 2 and the through hole 7, so that the corresponding dumbbell piece 10 is separated from the dumbbell rod 1, thereby achieving a quick separation effect;

[0051] At the same time, in order to avoid the situation where the surface of the dumbbell bar 1 is relatively smooth and the friction is insufficient, an anti-slip cover 11 is installed on the gripping part of the dumbbell bar 1. At the same time, in order to facilitate the removal of the anti-slip cover 11 for cleaning, during installation, the pressure ring 15 in the inner groove 13 of the limit block 12 is moved, so that the inner end of the pressure ring 15 moves to the two sides of the anti-slip cover 11 and pressure is applied to it, so that the position of the anti-slip cover 11 is fixed.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dumbbell weight adjustment structure, characterized in that: include; Dumbbell bar; Dumbbell plates, wherein the dumbbell plate array is placed at the left and right ends of the dumbbell bar; A weight adjustment structure, which is arranged in the middle of the dumbbell rod to connect the dumbbell rod with the dumbbell plates; The weight adjustment structure includes a movable groove positioning block and a movable top column. The movable groove is opened in the middle of the dumbbell rod, the positioning block is fixedly installed in the middle of the movable groove, a bidirectional screw is movably installed in the middle of the positioning block, and adjustment rings are symmetrically installed on the surfaces of the left and right sides of the bidirectional screw. The movable top column is movably installed on the left and right ends of the bidirectional screw and is slidably connected to the movable groove. Connecting holes are symmetrically inclined on the inner side of the upper end of the dumbbell plate, and through holes are symmetrically opened at the left and right ends of the movable groove, and connecting rods are movably placed inside the through holes.

2. A dumbbell weight adjustment structure according to claim 1, characterized in that: The surface of the dumbbell bar is symmetrically installed with limit blocks, the middle part of the surface of the dumbbell bar is movably installed with an anti-slip sleeve, the limit block is provided with a positioning structure, the positioning structure includes a pressure ring and a slide groove, the slide groove is opened at the inner end of the limit block, the pressure ring is slidably installed inside the slide groove, and the surface of the limit block is installed with a circumferential array of limit plates, which are plugged into the surface of the lower end of the pressure ring.

3. A dumbbell weight adjustment structure according to claim 1, characterized in that: A placement base is arranged below the dumbbell plate, and the shape of the top of the placement base is adapted to the shape of the dumbbell plate.

4. A dumbbell weight adjustment structure according to claim 1, characterized in that: The adjusting ring is provided with a weight scale in a circumferential array, and corresponds to the weight of each rotation and engagement.

5. A dumbbell weight adjustment structure according to claim 1, characterized in that: The dumbbell plate is arranged in a polygonal shape, and an opening is provided at the upper end of the dumbbell plate, and the width of the opening is the same as the diameter of the dumbbell rod.

6. A dumbbell weight adjustment structure according to claim 1, characterized in that: The number and positions of the through holes correspond to the connecting holes, and the length of the connecting rod is equal to the sum of the lengths of the through holes and the connecting holes.

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