Weight-adjustable weight stack assembly and hand-held load-bearing apparatus using same

Abstract

The utility model relates to a weight-adjustable weight stack assembly and a hand-held weight-bearing apparatus using the same. The weight stack assembly comprises a first dumbbell piece, a second dumbbell piece and a first locking assembly, the side wall and the inner cavity of any one of the first dumbbell piece and the second dumbbell piece serve as a first side wall and a first cavity respectively, and one side of the other dumbbell piece serves as a sliding connection side; the first locking assembly comprises a button and an elastic arm; the button penetrates through the first side wall in a sliding manner; one end of the elastic arm is fixed with the first cavity, and the other end of the elastic arm is a free end overlapped on the button; the button is used for pushing the elastic arm to upwarp under the action of driving force, and the direction of the driving force is perpendicular to the axial direction of the grip; the first locking assembly further comprises a reset assembly. The first locking assembly further comprises an insertion hole. A bulge is arranged at the free end of the elastic arm; the bottom of the first cavity is further provided with a via hole for the protrusion to penetrate through. When the dumbbell piece is disassembled and assembled, operation is more convenient, and stability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of weight bearing equipment, especially to the weight adjustable counterweight piece assembly and the hand-held weight bearing equipment using same. BACKGROUND

[0002] Dumbbells are a type of exercise equipment that can have fixed or adjustable weights. They are widely used for strength training and physical conditioning, helping to improve muscle strength, balance, and coordination.

[0003] Patent No. CN212166407U discloses a quick disassembly and assembly connecting structure and a dumbbell with quick adjustment comprising the same, specifically: the adjustment end of the adjustment tongue is located near the edge of the dumbbell piece it is fixed to, facilitating the user to move the adjustment tongue and realize the disassembly and assembly of the dumbbell piece; a pressing piece is further arranged at the adjustment end of the adjustment tongue, and a adjusting groove is further arranged on the side surface of the first dumbbell piece provided with a male structure, i.e., the adjusting groove is arranged towards the direction away from the connecting part, and the pressing piece can move in the adjusting groove towards the direction close to or away from the connecting part; when the first dumbbell piece needs to be separated from the connecting part, the pressing piece is pressed towards the direction away from the connecting part, which can drive the adjustment tongue to move towards the direction away from the connecting part at the adjusting gap, the limiting piece slides out of the limiting groove, and then the insertion piece of the first dumbbell piece slides out of the insertion groove along the length direction of the insertion groove, i.e., the first dumbbell piece can be taken out.

[0004] Based on the foregoing, it can be seen that since the adjusting groove is narrow, the user needs to move and lift the adjustment tongue to realize the disassembly and assembly of the dumbbell piece, which is troublesome, and the limiting piece is only connected to the adjustment tongue at one end, which is prone to deformation after multiple uses, resulting in loose noise and even falling of the dumbbell piece.

[0005] Therefore, it is still necessary to improve the existing dumbbell structure to solve the problem of troublesome operation and unstable connection effect of the existing dumbbell. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model aims to provide a weight adjustable counterweight piece assembly and a hand-held weight bearing equipment using same to solve the problem of troublesome operation and unstable connection effect of the existing dumbbell.

[0007] To achieve the above-mentioned purposes,

[0008] The utility model provides a kind of weight adjustable counterweight piece assembly, including with the first dumbbell piece of handle connection, with the second dumbbell piece of the first dumbbell piece sliding connection, the first locking assembly of the first dumbbell piece and the second dumbbell piece locking;The first dumbbell piece and the second dumbbell piece, the sidewall of any one, inner cavity is respectively as first sidewall, first cavity, and the remaining one is used as the side of adjacent dumbbell piece sliding connection as sliding connection side;

[0009] The first locking assembly includes button, elastic arm;The button is slidably arranged in the first sidewall;The elastic arm is located in the first cavity, and one end thereof is fixed thereto, and the other end is a free end lapping on the button;The button is used to push the elastic arm up under the action of driving force, and the direction of driving force is perpendicular to the axial direction of handle;The first locking assembly further includes a reset component;The reset component is used to drive the button to reset outward, and is installed on the first dumbbell piece or the second dumbbell piece corresponding to the first sidewall;

[0010] The first locking assembly further includes an insertion hole provided on the sliding connection side;The free end of the elastic arm is provided with a protrusion matched with the insertion hole;The bottom of the first cavity is further provided with a via hole for the protrusion to pass through.

[0011] In some embodiments, the free end of the elastic arm is bent upward or curved;The side of the button used to push the elastic arm is inclined.

[0012] In some embodiments, the protrusion is columnar.

[0013] In some embodiments, the protrusion is a hollow column.

[0014] In some embodiments, two side fences are formed inside the first cavity;Along the direction of driving force, two side fences are distributed on both sides of the button;Both sides of the button slide along the inner sidewall of two side fences respectively;

[0015] The reset component includes a spring;The inside of the first cavity is further formed with a connecting lug between two side fences;Both ends of the spring are respectively sleeved on the button and the connecting lug.

[0016] In some embodiments, a threaded stud is formed inside the first cavity;The weight adjustable counterweight piece assembly further includes a bolt connecting the elastic arm and the threaded stud.

[0017] In some embodiments, the first sidewall and the first cavity correspond to the second dumbbell piece;The second dumbbell piece includes a left counterweight piece and a right counterweight piece, both located in the first cavity;The left counterweight piece and the right counterweight piece are distributed on both sides of the elastic arm.

[0018] In some embodiments, the weight-adjustable weight plate assembly further comprises a third dumbbell plate slidingly connected with the second dumbbell plate, and a second locking assembly for locking the second dumbbell plate and the third dumbbell plate; the second locking assembly and the first locking assembly are identical in structure.

[0019] The utility model also provides a hand-held weight equipment, including handle, the hand-held weight equipment still includes the weight-adjustable weight plate assembly as the above.

[0020] In some embodiments, the hand-held weight equipment is a kettlebell, a dumbbell or a barbell.

[0021] Compared with the prior art, the utility model has the advantages that: when the dumbbell plate is disassembled, the operation is more convenient, and the stability is better. Specifically, when the user presses the button inward, the elastic arm will be tilted upward under the driving of the pressed button, so that the protrusion is out of the insertion hole, and the locking state of the dumbbell plate is released; after the user releases the button, the reset assembly will automatically reset the button, ensure that the first locking assembly returns to the initial position, prevent the dumbbell plate from accidentally slipping off, and at the same time, make the button keep the convex state, facilitate the user to press again; in addition, the elastic arm also has a certain deformation ability, when the user releases the button, the elastic arm has a tendency to restore the original shape, which further enhances the anti-slip effect of the dumbbell plate. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figures 1-2 is the overall structure schematic diagram of the hand-held weight equipment provided by the utility model;

[0023] Figures 3-5 is the explosion structure schematic diagram of the hand-held weight equipment provided by the utility model;

[0024] Figure 6 is the local explosion structure schematic diagram of the weight-adjustable weight plate assembly provided by the utility model. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Dumbbells are a type of exercise equipment that can have fixed or adjustable weights. They are widely used for strength training and physical conditioning, helping to enhance muscle strength, balance, and coordination. Existing dumbbells have narrow adjustment slots, requiring users to push or lift the adjustment tabs to disassemble and assemble the weight plates, which is inconvenient. Moreover, the limiting piece is only connected to the adjustment tab at one end, and after repeated use, it may deform, causing loose noise or even the weight plates to fall off.

[0027] The present embodiment provides a weight-adjustable weight plate assembly 11, as shown in the accompanying drawings, comprising a first dumbbell plate 110 connected to a handle 10, a second dumbbell plate 111 slidably connected to the first dumbbell plate 110, and a first locking assembly for locking the first dumbbell plate 110 and the second dumbbell plate 111. Figures 1-6 The first dumbbell plate 110 and the second dumbbell plate 111, with the side wall and the inner cavity of either one as the first side wall and the first cavity, respectively, and the remaining one as the sliding connection side for sliding connection with the adjacent dumbbell plate.

[0028] The first locking assembly includes a button 1121 and a resilient arm 1122. The button 1121 is slidably arranged in the first side wall. The resilient arm 1122 is located in the first cavity and has one end fixed thereto and the other end as a free end overlapping the button 1121. The button 1121 is used to push the resilient arm 1122 upward under the action of a driving force, and the direction of the driving force is perpendicular to the axial direction of the handle 10. The first locking assembly further includes a reset assembly (not shown in the drawings). The reset assembly is used to reset the button 1121 outwardly and is installed on the first dumbbell plate 110 or the second dumbbell plate 111 corresponding to the first side wall.

[0029] The first locking assembly further includes an insertion hole 1124 arranged on the sliding connection side. The free end of the resilient arm 1122 is provided with a protrusion 1125 adapted to the insertion hole 1124. The bottom of the first cavity is further provided with a via hole 1126 for the protrusion 1125 to pass through.

[0030] The above-mentioned weight plate assembly 11 is more convenient to operate and has better stability when disassembling and assembling the dumbbell plates. Specifically, when the user presses the button 1121 inwardly, the resilient arm 1122 will be tilted upward under the driving of the pressed button 1121, causing the protrusion 1125 to disengage from the insertion hole 1124 and release the locking state of the dumbbell plates. When the user releases the button 1121, the reset assembly will automatically reset the button 1121, ensuring that the first locking assembly returns to the initial position and preventing the dumbbell plates from accidentally slipping off. At the same time, the button 1121 remains convex, making it convenient for the user to press it again. In addition, the resilient arm 1122 also has a certain deformation ability, which tends to return to its original shape when the user releases the button 1121, further enhancing the anti-slip effect of the dumbbell plates.

[0031] In some embodiments, as shown in Figure 6 the free end of the elastic arm 1122 is bent upward or curved; the button 1121 is used to push one side of the elastic arm 1122, which is beveled, so that it can be more stable and smooth when controlling the unlocking.

[0032] In some embodiments, as shown in Figure 6 the protrusion 1125 is in the shape of a column, which has a larger contact area and good load-bearing performance.

[0033] In some embodiments, as shown in Figure 6 the protrusion 1125 is a hollow column, which is convenient for stamping.

[0034] In some embodiments, as shown in Figure 3 two side fences 1141 are formed inside the first cavity; along the direction of the driving force, the two side fences 1141 are distributed on both sides of the button 1121; the two sides of the button 1121 slide along the inner side walls of the two side fences 1141, respectively, to ensure that the button 1121 can slide linearly along the preset track when it is pushed by external force, without skewing or jamming; in order to further improve stability and reliability, the reset assembly includes a spring; the first cavity is also internally formed with a connecting lug 1142 between the two side fences 1141; the two ends of the spring are sleeved on the button 1121 and the connecting lug 1142, respectively; during use, the user can unlock the weight plate by pressing the button 1121, at which time the counterforce generated by the spring will automatically reset the button 1121, without the need for additional user operation, making the disassembly and assembly of the weight plate more convenient; at the same time, the spring is a general-purpose piece, which has low cost and long service life.

[0035] In some embodiments, as shown in Figure 5 a threaded stud 1143 is formed inside the first cavity; the weight-adjustable weight plate assembly 11 further includes a bolt (not shown in the figure) connecting the elastic arm 1122 and the threaded stud 1143, which facilitates the quick installation of the elastic arm 1122.

[0036] In some embodiments, as shown in Figures 3-4 the first side wall and the first cavity correspond to the second dumbbell plate 111; the second dumbbell plate 111 includes a left weight plate 1111 and a right weight plate 1112, both of which are located in the first cavity, which can better adapt to the distribution characteristics of the elastic arm 1122; the left weight plate 1111 and the right weight plate 1112 are distributed on both sides of the elastic arm 1122.

[0037] In some embodiments, as shown in Figures 1-2As shown, the weight-adjustable weight plate assembly 11 further comprises a third dumbbell plate 116 in sliding connection with the second dumbbell plate 111, and a second locking assembly for locking the second dumbbell plate 111 and the third dumbbell plate 116, so that the user can adjust a larger weight range and have better flexibility; the second locking assembly has the same structure as the first locking assembly, facilitating processing and production.

[0038] The embodiment also provides a hand-held weight equipment 1, as shown in the drawings, which comprises a handle 10, and the hand-held weight equipment 1 further comprises the weight-adjustable weight plate assembly 11 as described above. Figures 1-2 As shown, the hand-held weight equipment 1 further comprises the weight-adjustable weight plate assembly 11 as described above. Since the hand-held weight equipment 1 comprises the weight-adjustable weight plate assembly 11, the hand-held weight equipment 1 at least has the advantages of the weight-adjustable weight plate assembly 11, i.e., the operation of disassembling and assembling the dumbbell plates is more convenient, and the stability is better. Specifically, when the user presses the button 1121 inward, the elastic arm 1122 is upwardly tilted under the driving of the button 1121, so that the protrusion 1125 is out of the insertion hole 1124, and the locking state of the dumbbell plate is released; after the user releases the button 1121, the reset assembly automatically resets the button 1121, so as to ensure that the first locking assembly returns to the initial position, prevent the dumbbell plate from being accidentally slipped off, and at the same time, keep the button 1121 in the outwardly protruding state, facilitating the user to press the button 1121 again; in addition, the elastic arm 1122 also has a certain deformation capacity, and when the user releases the button 1121, the elastic arm 1122 has a tendency to return to the original shape, which further enhances the anti-slip effect of the dumbbell plate.

[0039] In some embodiments, the hand-held weight equipment 1 is a kettlebell, a dumbbell or a barbell, and can be applied to various fitness equipment.

[0040] 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 the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A weight-adjustable weight plate assembly comprising a first dumbbell plate connected with a handle, a second dumbbell plate connected with the first dumbbell plate in a sliding manner, and a first locking assembly for locking the first dumbbell plate and the second dumbbell plate; the first dumbbell plate and the second dumbbell plate, each having a side wall and an inner cavity, are respectively a first side wall and a first cavity, and the other one is used as a sliding connection side for being connected with an adjacent dumbbell plate in a sliding manner; characterized in that: the first locking assembly comprises a button and an elastic arm; the button is slidably arranged in the first side wall; the elastic arm is arranged in the first cavity and has one end fixed to the first cavity and the other end as a free end lapping on the button; the button is used for driving the elastic arm to be upturned under the action of a driving force, and the direction of the driving force is perpendicular to the axial direction of the handle; the first locking assembly further comprises a reset assembly; the reset assembly is used for driving the button to be reset outward and is arranged on the first dumbbell plate or the second dumbbell plate corresponding to the first side wall; the first locking assembly further comprises an insertion hole arranged on the sliding connection side; the free end of the elastic arm is provided with a protrusion matched with the insertion hole; the bottom of the first cavity is further provided with a through hole for the protrusion to pass through. the free end of the elastic arm is bent upward or curved; the side of the button used for pushing the elastic arm is a bevel.

2. A weight adjustable weight plate assembly as claimed in claim 1, wherein, the protrusion is in a columnar shape.

3. A weight adjustable weight plate assembly as set forth in claim 1, wherein, the protrusion is a hollow column.

4. A weight adjustable weight plate assembly as claimed in claim 3, wherein, the inside of the first cavity is shaped with two side fences; along the direction of the driving force, the two side fences are distributed on both sides of the button; the two sides of the button slide along the inner side walls of the two side fences, respectively; 5. A weight adjustable weight plate assembly as set forth in claim 1, wherein, the reset assembly comprises a spring; the inside of the first cavity is further shaped with a connecting lug between the two side fences; the two ends of the spring are sleeved on the button and the connecting lug, respectively. the inside of the first cavity is shaped with a stud; the weight-adjustable weight plate assembly further comprises a bolt connecting the elastic arm and the stud.

6. A weight adjustable weight plate assembly as set forth in claim 1, wherein, the first side wall and the first cavity correspond to the second dumbbell plate; the second dumbbell plate comprises a left weight plate and a right weight plate both arranged in the first cavity; the left weight plate and the right weight plate are distributed on both sides of the elastic arm.

7. A weight adjustable weight plate assembly as set forth in claim 1, wherein, the weight-adjustable weight plate assembly further comprises a third dumbbell plate connected with the second dumbbell plate in a sliding manner, and a second locking assembly for locking the second dumbbell plate and the third dumbbell plate; the second locking assembly has the same structure as the first locking assembly.

8. A weight adjustable weight plate assembly as set forth in claim 1, wherein, the hand-held weight equipment further comprises the weight-adjustable weight plate assembly according to any one of claims 1 to 8.

9. A hand-held weight-bearing device comprising a handle, characterized in that the hand-held weight equipment is a kettlebell, a dumbbell or a barbell.

10. The hand-held weight-resistance device of claim 9, wherein, ​

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