Weight stack capable of adjusting weight lifting equipment and weight lifting equipment

Abstract

The utility model provides a weight stack capable of adjusting weight lifting equipment and the weight lifting equipment, the weight stack comprises a body, and a through hole is formed in the middle of the body; a clamping groove with a dovetail-shaped cross section is formed in one side of the body, and a clamping block corresponding to the clamping groove in shape is arranged on the other side of the body; the clamping groove comprises a first section and a second section which are sequentially connected from top to bottom, the first section is in a V shape, and the second section is in a rectangular shape. According to the weight stack capable of adjusting the weight lifting equipment and the weight lifting equipment, the clamping blocks of the weight stack can be smoothly clamped into the corresponding clamping grooves, and the clamping phenomenon is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to weight lifting equipment technical field, especially in adjustable weight lifting equipment's counter weight piece and weight lifting equipment. BACKGROUND

[0002] The existing weight lifting equipment, for example dumbbell and barbell, both structures are similar, all are in the both ends of handle set counter weight piece. And, the handle length of existing weight lifting equipment is generally fixed length, if needing to increase or decrease weight lifting weight, then need to manually increase or decrease the counter weight piece of handle both ends, inconvenient operation. Then, the market appears the handle of adjustable length, it can through adjusting the length of handle to both ends, and then take different number of counter weight piece, to reach the purpose of adjusting weight lifting weight. However, the current adjustable counter weight piece number weight lifting equipment, the counter weight piece is positioned through the block and the slot in the axial direction, when the weight lifting equipment is used up, and reconnection with the remaining counter weight piece, often because of inaccurate positioning leads to the block of adjacent counter weight piece cannot smoothly put into the corresponding slot, and the phenomenon of jamming occurs, brings inconvenience to the user.

[0003] Therefore, it is necessary to provide an improved technical solution for the above-mentioned deficiencies of the prior art. SUMMARY

[0004] The utility model discloses a kind of counter weight pieces of adjustable weight lifting equipment, which can make the block of counter weight piece smoothly into corresponding slot, prevent the phenomenon of jamming.

[0005] Another object of the utility model is to provide a weight lifting equipment, which includes the above-mentioned adjustable weight lifting equipment's counter weight piece, which can make the block of counter weight piece smoothly into corresponding slot, prevent the phenomenon of jamming.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A counter weight piece of adjustable weight lifting equipment includes a body, the body has a through hole in the middle, the body has a dovetail-shaped slot on one side, and the other side of the body has a block corresponding to the shape of the slot. The slot includes a first segment and a second segment connected in order from top to bottom, the first segment is V-shaped, and the second segment is rectangular.

[0008] According to one embodiment of the utility model, the first segment and the second segment have a circular arc transition surface between them.

[0009] According to one embodiment of the utility model, the bottom of the block is provided with a downward inclined guide slope.

[0010] According to one embodiment of the present invention, the bottom of the second segment is located inside the body, and a limiting stop is formed at the bottom of the second segment.

[0011] According to one embodiment of the present invention, the body is circular, and the bottom of the body is provided with an anti-rotation plane.

[0012] According to one embodiment of the present invention, the body is covered with an outer coating layer.

[0013] According to one embodiment of the present invention, the outer covering layer is plastic.

[0014] According to one embodiment of the present invention, the main body includes a first piece, a second piece, and two third pieces; the second piece forms the locking block and is fixedly disposed on one side of the first piece; the two third pieces form the locking groove between them and are fixedly located on the other side of the first piece.

[0015] According to one embodiment of the present invention, the body is provided with a through injection hole.

[0016] This utility model also provides a weightlifting device, including the counterweight plate of the adjustable weightlifting device described above and a telescopic handle, wherein the telescopic handle is provided with a telescopic shaft that can extend and retract to both ends and into the through hole.

[0017] Compared with the prior art, the advantages and beneficial effects of the embodiments of this utility model are as follows:

[0018] The adjustable weight plate of the weightlifting equipment provided in this embodiment of the utility model, and the weightlifting equipment, when in use, when the locking block of the weight plate is inserted into the locking slot of the adjacent weight plate, the locking block first makes an initial connection with the first section of the locking slot. Since the first section is V-shaped and its size is larger than the sliding end size of the locking block, it is not easy to get stuck. Then, through the V-shaped first section, when the locking block and the locking slot of the weight plate are not properly connected, the locking block can be gradually guided to be straightened, and then smoothly slide into the second section below, achieving a good connection. This avoids the situation where the existing inclined locking block and inclined locking slot are misaligned and get stuck. Attached Figure Description

[0019] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an undue limitation of this utility model. Wherein:

[0020] Figure 1 A schematic diagram of the structure of the counterweight plate of the adjustable weightlifting device provided in this embodiment of the utility model;

[0021] Figure 2Another angle structural schematic view of the counterweight piece of the adjustable weight lifting equipment is provided for the embodiment of the utility model;

[0022] Figure 3 The assembly schematic view of the counterweight piece of the adjustable weight lifting equipment is provided for the embodiment of the utility model;

[0023] Figure 4 The sectional view of the counterweight piece of the adjustable weight lifting equipment is provided for the embodiment of the utility model;

[0024] Figure 5 The structure schematic view of the weight lifting equipment is provided for the embodiment of the utility model;

[0025] Figure 6 The structure schematic view of the telescopic handle of the weight lifting equipment is provided for the embodiment of the utility model.

[0026] Mark explanation:

[0027] 1, the body; 11, through-hole; 12, clamping groove; 120, circular transition surface; 121, first section; 122, second section; 123, limiting baffle; 13, clamping block; 131, guide inclined surface; 14, anti-rotation plane; 15, outer cover layer; 16, injection hole; 17, first piece body; 18, second piece body; 19, third piece body; 2, telescopic handle; 21, telescopic shaft; 22, mounting piece. Specific implementation

[0028] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments. Each example is provided by the explanation of the utility model but not limit the utility model. In fact, those skilled in the art will be clear that, without departing from the scope or spirit of the utility model, modification and variation can be carried out in the utility model. For example, the features shown as or described as a part of one embodiment can be used in another embodiment to produce another embodiment. Therefore, it is expected that the utility model includes such modification and variation that belong to the scope of the appended claims and its equivalents.

[0029] In the description of the utility model, "first", "second" and similar words do not represent any order, quantity or importance, but only distinguish different components, "include" or "contain" and similar words mean that the element or object before the word covers the element or object listed after the word and its equivalent, and does not exclude other elements or objects, the orientation or positional relationship indicated by the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and does not require the utility model to be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. The terms "connected", "connected", "provided" used in the utility model should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected; it can be directly connected, or it can be indirectly connected through an intermediate part; it can be wired electrical connection, wireless electrical connection, or wireless communication signal connection, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0030] As shown in Figures 1-2 The utility model discloses a weight piece of adjustable weight lifting equipment, including the body 1, the body 1 middle part is equipped with the through -hole 11, and the telescopic shaft of the handle of adjustable weight lifting equipment is inserted into, the body 1 one side is equipped with the cross section and is shaped dovetail's clamping groove 12, and the other side of the body 1 is equipped with the clamping block 13 with the shape corresponding to the clamping groove 12, the clamping groove 12 includes the first segment 121 and the second segment 122 that are connected in sequence from top to bottom, the first segment 121 is shaped V, and the second segment 122 is rectangular.

[0031] The weight adjusting device provided by the embodiment of the utility model is used, a part of the through holes 11 of the weight pieces are penetrated by the telescopic shafts at both ends of the handle of the weight adjusting device and are carried by the handle, and a part of the weight pieces are located on the ground or the base and are not carried by the handle. After the weight adjusting device is used, the weight piece at the outermost end carried by the handle needs to be moved downwards and connected with the weight piece at the innermost end not carried by the handle. In this process, the clamping block 13 of the weight piece on the handle is inserted into the clamping groove 12 of the weight piece on the ground or the base downwards, or the clamping groove 12 of the weight piece on the handle is slid into the outer periphery of the clamping block 13 of the weight piece on the ground or the base downwards, namely, the two relative move. The clamping block 13 is firstly connected with the first section 121 of the clamping groove 12, because the first section 121 is V-shaped, the size thereof is greater than the size of the sliding end of the clamping block 13 (the shape and size correspond to the second section 122 of the clamping groove 12), and the clamping block 13 is not prone to be stuck, then, the first section 121 in the V shape can guide the clamping block 13 step by step when the clamping groove 12 and the clamping block 13 of the weight piece are combined badly, and the clamping block 13 is smoothly slid into the second section 122 below, good connection is realized, and the situation that the clamping block 13 is stuck and cannot move when the existing inclined clamping block and the inclined clamping groove are combined is avoided.

[0032] As shown in the drawings, Figures 1-2 In one embodiment of the utility model, in order to improve the smoothness of the clamping block 13 sliding into the second section 122 from the first section 121, the first section 121 and the second section 122 have a circular arc transition surface 120. Further, the bottom of the clamping block 13 is provided with a downward inclined guide slope 131, which further facilitates the insertion of the clamping block 13 into the clamping groove 12.

[0033] As shown in the drawings, Figure 1 In one embodiment of the utility model, the bottom of the second section 122 is designed as a non-through design, so that the bottom of the second section 122 is located inside the body 1, a limiting stop edge 123 is formed at the bottom of the second section 122, the through holes 11 of the weight pieces can be accurately aligned after the clamping grooves 12 and the clamping blocks 13 are combined, the positioning of the through holes 11 is accurate, the telescopic shafts of the handle can enter the through holes 11, and the handle is not difficult to adjust.

[0034] As shown in the drawings, Figures 1-2 In one embodiment of the utility model, the body 1 is circular, and the bottom of the body 1 is provided with an anti-rotation plane 14 to prevent the weight pieces from rolling on the ground.

[0035] As shown in the drawings, Figures 3-4As shown in the utility model, in an embodiment of the utility model, in order to reduce the damage of the weight piece 1 to the ground or other objects after falling, the body 1 is coated with an outer coating 15, which can play a buffering role, for example, the outer coating 15 can be plastic. In order to reduce the risk of hollowing and cracking of the plastic outer coating 15, in a preferred embodiment of the utility model, a plurality of injection holes 16 are distributed on the body 1. During injection molding, the injection material can pass through each injection hole 16 to form a connecting body connecting the plastic outer coating 15 on both sides of the body 1, which can effectively avoid the risk of hollowing and cracking of the plastic outer coating 15 on both sides of the body 1, prolonging the service life. The specific injection molding method has two injection molding processes: one-time injection molding using a vertical injection molding machine and two-time injection molding using a horizontal injection molding machine. One-time injection molding uses a vertical injection molding machine to first place the body 1 on the injection molding mold positioning fulcrum, and then simultaneously injects from above and below to wrap the body 1; when wrapping using a horizontal injection molding machine, the plastic is first injected together with the lower half of the body 1, and then the upper half is injected. The above process can make the outer injection layer wrap the body 1 fully without gaps, making it solid and durable, and it can withstand a 3-meter drop without damage. In addition, by using the surface plastic wrapping process, the color of the weight piece can be changed by changing the color of the plastic raw material, which meets the appearance needs of various consumer groups in the market.

[0036] As shown in the utility model, Figures 3-4 In an embodiment of the utility model, the body 1 is an iron sheet. Specifically, the body 1 includes a first sheet body 17, a second sheet body 18, and two third sheet bodies 19. The second sheet body 18 forms the clamping block 13 and is fixed on one side of the first sheet body 17. The two third sheet bodies 19 form the clamping groove 1 and are fixed on the other side of the first sheet body 17. The first sheet body 17, the second sheet body 18, and the third sheet body 19 can be connected by a rivet connection process through multiple rivets. In addition, injection holes 16 can also be provided on the first sheet body 17, the second sheet body 18, and the third sheet body 19, and the injection material in the injection holes 16 can also be connected to a certain extent during injection molding, which can also avoid the problem of bulging, hollowing, and cracking of the plastic outer coating 15. In addition, the first sheet body 17, the second sheet body 18, and the third sheet body 19 can also be connected by a welding process, which can realize automatic welding by a robot and improve production efficiency. In addition, the body 1 can also be formed by a casting process, which is integrally cast from gray iron, and has the characteristics of high production efficiency, one-time realization of all type requirements, and no need for secondary processing.

[0037] As shown in the utility model, Figure 5 , Figure 6As shown, the utility model also provides a weight lifting equipment, including adjustable weight lifting equipment's counter weight piece and telescopic handle 2 of above-mentioned, this telescopic handle 2 is equipped with telescopic axle 21 that can be telescopic to both ends and stretch into this through-hole 11.The weight lifting equipment can be dumbbell or barbell, by adjusting the length of telescopic axle 21 of both ends of telescopic handle 2, the number of counter weight piece hung on telescopic axle 21 can be adjusted, and then the weight of weight lifting equipment is adjusted.

[0038] As Figure 5 、 Figure 6 As shown, in an embodiment of the utility model, the telescopic handle 2 both ends of weight lifting equipment are fixedly provided with mounting piece 22, the outside of mounting piece 22 is provided with the installation groove or the installation block corresponding with the clamping block 13 or the clamping groove 12, to be connected with each counter weight piece. In the embodiment, the mounting piece 22 is fixedly connected with the both ends of telescopic handle 2 of weight lifting equipment, each counter weight piece and the mounting piece 22 are connected with each other in the axial direction of telescopic handle 2, when telescopic axle 21 carries a certain number of counter weight pieces, the telescopic axle 21 of telescopic handle 2 is limited in radial direction to each counter weight piece, the mounting piece 22 and the clamping groove 12 and clamping block 13 of counter weight piece can be limited in axial direction to each counter weight piece, guarantee the connection stability of each counter weight piece and telescopic handle 2.

[0039] The above only for the preferred embodiment of the utility model, and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. An adjustable weight plate for a weight lifting device, the weight plate comprising: The body is provided with a through hole in the middle, one side of the body is provided with a dovetail-shaped clamping slot, and the other side of the body is provided with a clamping block corresponding to the shape of the clamping slot; the clamping slot comprises a first section and a second section connected in sequence from top to bottom, the first section is V-shaped, and the second section is rectangular.

2. An adjustable weightlifting apparatus weight plate according to claim 1 wherein, The first section and the second section have a circular arc transition surface therebetween.

3. Adjustable weightlifting apparatus weight plate according to claim 1 or 2, characterized in that, The clamping block is provided with a downwardly inclined guide inclined surface at the bottom.

4. An adjustable weight plate for a weight lifting apparatus as claimed in claim 1 or 2, wherein, The bottom of the second section is located inside the body, and a limiting stop edge is formed at the bottom of the second section.

5. An adjustable weight plate for a weight lifting apparatus as claimed in claim 1 or 2, wherein, The body is circular, and the bottom of the body is provided with an anti-rotation flat surface.

6. An adjustable weight plate for a weight lifting apparatus as claimed in claim 1 or 2, wherein, The body is coated with an outer coating.

7. An adjustable weightlifting apparatus weight plate according to claim 6 wherein, The outer coating is plastic.

8. An adjustable weight plate for a weight lifting apparatus as claimed in claim 1 or 2, wherein, The body comprises a first piece, a second piece and two third pieces; the second piece forms the clamping block and is fixed on one side of the first piece; the two third pieces form the clamping slot and are fixed on the other side of the first piece.

9. An adjustable weight plate for a weight lifting apparatus as claimed in claim 1 or 2, wherein, The body is provided with a through injection hole.

10. A weight lifting device characterized by, The adjustable weight-lifting equipment comprises a weight plate and a telescopic handle, the telescopic handle is provided with a telescopic shaft capable of being telescoped to both ends and extending into the through hole.

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