CN212679950U - Dumbbell with easy-to-assemble and disassemble dumbbell piece - Google Patents
Dumbbell with easy-to-assemble and disassemble dumbbell piece Download PDFInfo
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- CN212679950U CN212679950U CN202021376529.0U CN202021376529U CN212679950U CN 212679950 U CN212679950 U CN 212679950U CN 202021376529 U CN202021376529 U CN 202021376529U CN 212679950 U CN212679950 U CN 212679950U
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- dumbbell
- handle
- end cover
- inner end
- central shaft
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- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a dumbbell with easy loading and unloading dumbbell pieces, which comprises a handle and a plurality of dumbbell pieces, wherein two sides of the handle are respectively provided with a positioning component, the positioning component comprises an inner end cover and an outer end cover, a limiting frame is arranged between the two end covers, and two ends of the handle penetrate into the two inner end covers; a central shaft is arranged in the handle, and two ends of the central shaft penetrate through the inner end covers and the limiting frames on two sides and are connected with the outer end cover; the central shaft is sleeved with two symmetrical telescopic pipes, the inner wall of the handle is provided with two symmetrical spiral grooves, the outer wall of each telescopic pipe is provided with a ball, and the ball can roll in the spiral grooves along the spiral grooves; through holes for the telescopic pipes to pass through are formed in the inner end cover, the limiting frame and the outer end cover along the axis, and a plurality of groups of limiting grooves are formed in the surfaces of the two sides of the limiting frame; the dumbbell piece is clamped in the limiting groove; the center of the dumbbell piece is also provided with a center hole, and the diameter of the center hole is at least equal to the outer diameter of the extension tube. The utility model discloses only just can realize the loading and unloading of dumbbell piece, convenient operation through twist grip.
Description
Technical Field
The utility model belongs to the technical field of the apparatus is used in the physical training and specifically relates to a dumbbell of easy loading and unloading dumbbell piece is related to.
Background
The existing dumbbells in the market have dumbbells with fixed weights and dumbbells with adjustable weights, but the dumbbells need to move the dumbbell pieces when the weights are adjusted, so that the dumbbell is complex to operate and quite inconvenient, and people can be pounded even if the dumbbell is not operated properly.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome foretell not enough, provide a dumbbell of easy loading and unloading dumbbell piece that can fast loading and unloading dumbbell piece.
The technical scheme of the utility model as follows:
a dumbbell easy to assemble and disassemble dumbbell pieces comprises a handle 1 and a plurality of dumbbell pieces 7, wherein positioning assemblies are arranged on two sides of the handle 1 respectively and comprise inner end covers 2 and outer end covers 3, a limiting frame 4 is arranged between the two end covers, two ends of the handle 1 penetrate through the two inner end covers 2, and the handle 1 can rotate relative to the two inner end covers 2; a central shaft 5 is arranged in the handle 1, and two ends of the central shaft 5 respectively penetrate through the inner end covers 2 and the limiting frames 4 on two sides in sequence and are connected with the outer end cover 3 through screws 31; the central shaft 5 is sleeved with two symmetrical extension tubes 6, the inner wall of the handle 1 is provided with two symmetrical spiral grooves 11, the outer wall of each extension tube 6 is provided with a ball 61 matched with the spiral groove 11, and the ball 61 is positioned in the spiral groove 11 and can roll in the spiral groove 11 through the relative rotation of the extension tube and the handle; along with the forward rotation/reverse rotation of the handle, the telescopic pipe can extend out of/retract into the handle in the process that the ball bearings travel along the spiral groove;
through holes capable of allowing the extension tubes 6 to pass through are formed in the inner end cover 1, the limiting frame 4 and the outer end cover 3 along the axis, and a plurality of groups of limiting grooves 41 are formed in the surfaces of the two sides of the limiting frame 4; the top of the dumbbell sheet 7 is opened, a clamping groove 71 is formed downwards from the opening, and the dumbbell sheet 7 is clamped in a group of limiting grooves of the limiting frame 4 through the clamping groove 71; a central hole 72 is further formed in the center of the dumbbell plate 7, the diameter of the central hole 72 is larger than the width of the clamping groove 71, the width of the clamping groove 71 is larger than the diameter of the central shaft 5 and smaller than the outer diameter of the telescopic pipe 6, and the diameter of the central hole 72 is at least equal to the outer diameter of the telescopic pipe 6. When the telescopic tube is not extended out, only the central shaft passes through the dumbbell sheet, and the diameter of the central hole of the dumbbell sheet is larger than that of the central shaft, so that the central shaft can slide out of the clamping groove when the handle is lifted, and the dumbbell sheet cannot be lifted; when the telescopic pipe extends out, the diameter of the telescopic pipe is larger than the width of the clamping groove, so that the telescopic pipe can be clamped into the dumbbell sheet when penetrating through the dumbbell sheet, and the telescopic pipe cannot slide out of the clamping groove when the handle is lifted, so that the dumbbell sheet can be loaded, and when the telescopic pipe extends more and more along with rotation, the dumbbell sheet can be clamped from inside to outside in sequence to increase the weight of the dumbbell; in a similar way, when the handle is rotated reversely, the telescopic pipe is gradually retracted into the handle, and a user can adjust the number of the dumbbell pieces according to actual requirements.
The central position of the inner wall of the handle 1 is provided with a circle of bosses 12, so that the bosses can limit balls in a spiral groove to ensure that the balls cannot rotate inwards, the distance between the inner end cover and the outer end cover, namely the length of the limiting frame, is less than that of the telescopic pipe 6, and the telescopic pipe cannot be separated from the handle due to excessive rotation of the handle when extending out.
The inner end cover 2, the limiting frame 4 and the outer end cover 3 on the same side are sequentially connected into a whole through fastening bolts 100.
A balancing weight is also arranged in the outer end cover 3.
The utility model has the advantages that:
when the handle is not rotated, each dumbbell piece is arranged below and the limit frame is arranged above, and the dumbbell pieces are inserted through the clamping grooves, the limit grooves and the limit frame, the handle is taken up at the moment, the dumbbell pieces are separated from the limit frame, and the lifted dumbbell is not provided with the dumbbell pieces; when the handle is rotated, the telescopic pipe extends out and penetrates through the center hole of the dumbbell piece, the telescopic pipe can sequentially penetrate through the last dumbbell piece from the first dumbbell piece along with the continuous rotation in the same direction, a user can select to rotate the handle according to the number of the dumbbell pieces in actual demands in the process and stop rotating, the handle is taken up at the moment, and the required number of dumbbell pieces can be penetrated on the telescopic pipe. Conversely, the dumbbell piece can be detached by rotating the handle in the reverse direction. The utility model discloses only just can realize the loading and unloading of dumbbell piece through twist grip, need not to move the dumbbell piece in addition, convenient operation.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of a dumbbell of the present invention;
FIG. 2 is a schematic illustration of one side thereof without a dumbbell sheet;
FIG. 3 is a cross-sectional view of a dumbbell;
FIG. 4 is a schematic view of a dumbbell sheet;
figure 5 is a schematic view of a handle and two telescoping tubes.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The dumbbell with easy-to-mount and dismount dumbbell pieces as shown in fig. 1-3 comprises a handle 1 and a plurality of dumbbell pieces 7, wherein two sides of the handle 1 are respectively provided with a positioning assembly, the positioning assembly comprises an inner end cover 2 and an outer end cover 3, a limiting frame 4 is arranged between the two end covers, and the inner end cover 2, the limiting frame 4 and the outer end cover 3 on the same side are sequentially connected into a whole through fastening bolts 100. Two ends of the handle 1 penetrate into the two inner end covers 2, and the handle 1 can rotate relative to the two inner end covers 2; a central shaft 5 is arranged in the handle 1, and two ends of the central shaft 5 respectively penetrate through the inner end covers 2 and the limiting frames 4 on two sides in sequence and are connected with the outer end cover 3 through screws 31; the central shaft 5 is sleeved with two symmetrical extension tubes 6, the inner wall of the handle 1 is provided with two symmetrical spiral grooves 11, the outer wall of each extension tube 6 is provided with a ball 61 matched with the spiral groove 11, and the ball 61 is positioned in the spiral groove 11 and can roll in the spiral groove 11 through the relative rotation of the extension tube and the handle; as shown in figure 5, the telescopic pipe can extend out of or retract into the handle during the process that the ball bearings travel along the spiral groove along with the forward rotation/reverse rotation of the handle.
Through holes capable of allowing the telescopic pipes 6 to pass through are formed in the inner end cover 1, the limiting frame 4 and the outer end cover 3 along the axis, and a plurality of groups of limiting grooves are formed in the surfaces of the two sides of the limiting frame 4; the top of the dumbbell sheet 7 is opened, a clamping groove 71 is formed downwards from the opening, and the dumbbell sheet 7 is clamped in a group of limiting grooves of the limiting frame 4 through the clamping groove 71; as shown in fig. 4, a central hole 72 is further formed in the center of the dumbbell sheet 7, the diameter of the central hole 72 is larger than the width of the clamping groove 71, the width of the clamping groove 71 is larger than the diameter of the central shaft 5 and smaller than the outer diameter of the extension tube 6, and the diameter of the central hole 72 is at least equal to the outer diameter of the extension tube 6. When the telescopic tube is not extended out, only the central shaft passes through the dumbbell sheet, and the diameter of the central hole of the dumbbell sheet is larger than that of the central shaft, so that the central shaft can slide out of the clamping groove when the handle is lifted, and the dumbbell sheet cannot be lifted; when the telescopic pipe extends out, the diameter of the telescopic pipe is larger than the width of the clamping groove, so that the telescopic pipe can be clamped into the dumbbell sheet when penetrating through the dumbbell sheet, and the telescopic pipe cannot slide out of the clamping groove when the handle is lifted, so that the dumbbell sheet can be loaded, and when the telescopic pipe extends more and more along with rotation, the dumbbell sheet can be clamped from inside to outside in sequence to increase the weight of the dumbbell; in a similar way, when the handle is rotated reversely, the telescopic pipe is gradually retracted into the handle, and a user can adjust the number of the dumbbell pieces according to actual requirements.
The central position of the inner wall of the handle 1 is provided with a circle of bosses 12, so that the bosses can limit balls in a spiral groove to ensure that the balls cannot rotate inwards, the distance between the inner end cover and the outer end cover, namely the length of the limiting frame, is less than that of the telescopic pipe 6, and the telescopic pipe cannot be separated from the handle due to excessive rotation of the handle when extending out.
When the handle is not rotated, each dumbbell piece is under, the limit frame is above, and the dumbbell pieces are inserted through the clamping groove, the limit groove and the limit frame card, the handle is taken up at the moment, the dumbbell pieces are separated from the limit frame, the lifted dumbbell is not provided with the dumbbell pieces, and the dumbbell can be easily moved even if the dumbbell pieces are not arranged because the balancing weight 21 is also arranged in the outer end cover; when the handle is rotated, the telescopic pipe extends out and penetrates through the center hole of the dumbbell piece, the telescopic pipe can sequentially penetrate through the last dumbbell piece from the first dumbbell piece along with the continuous rotation in the same direction, a user can select to rotate the handle according to the number of the dumbbell pieces in actual demands in the process and stop rotating, the handle is taken up at the moment, and the required number of dumbbell pieces can be penetrated on the telescopic pipe. Conversely, the dumbbell piece can be detached by rotating the handle in the reverse direction. Namely, the utility model discloses only just can realize the loading and unloading of dumbbell piece through the twist grip, need not to move the dumbbell piece in addition, convenient operation.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides an easy dumbbell of loading and unloading dumbbell piece, includes handle (1) and a plurality of dumbbell piece (7), characterized by: positioning components are arranged on two sides of the handle (1) respectively, each positioning component comprises an inner end cover (2) and an outer end cover (3), a limiting frame (4) is arranged between the two end covers, two ends of the handle (1) penetrate through the two inner end covers (2), and the handle (1) can rotate relative to the two inner end covers (2); a central shaft (5) is arranged in the handle (1), and two ends of the central shaft (5) respectively penetrate through the inner end covers (2) and the limiting frames (4) on two sides in sequence and are connected with the outer end cover (3) through screws (31); the central shaft (5) is sleeved with two symmetrical telescopic pipes (6), the inner wall of the handle (1) is provided with two symmetrical spiral grooves (11), the outer wall of each telescopic pipe (6) is provided with a ball (61) matched with the spiral groove (11), and the ball (61) is positioned in the spiral groove (11) and can roll in the spiral groove (11); through holes capable of allowing the telescopic pipes (6) to pass through are formed in the inner end cover (2), the limiting frame (4) and the outer end cover (3) along the axis, and a plurality of groups of limiting grooves (41) are formed in the surfaces of the two sides of the limiting frame (4); the top of the dumbbell piece (7) is opened, a clamping groove (71) is formed downwards from the opening, and the dumbbell piece (7) is clamped in a group of limiting grooves (41) of the limiting frame (4) through the clamping groove (71); a center hole (72) is further formed in the center of the dumbbell piece (7), the diameter of the center hole (72) is larger than the width of the clamping groove (71), the width of the clamping groove (71) is larger than the diameter of the central shaft (5) and smaller than the outer diameter of the telescopic pipe (6), and the diameter of the center hole (72) is at least equal to the outer diameter of the telescopic pipe (6).
2. The easy load dumbbell of claim 1, wherein: a circle of boss (12) is arranged at the center of the inner wall of the handle (1), and the distance between the inner end cover and the outer end cover is smaller than the length of the telescopic pipe (6).
3. The easy load dumbbell of claim 1, wherein: the inner end cover (2), the limiting frame (4) and the outer end cover (3) on the same side are sequentially connected into a whole through fastening bolts (100).
4. The easy load dumbbell of claim 1, wherein: a balancing weight (21) is also arranged in the outer end cover (3).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021376529.0U CN212679950U (en) | 2020-07-14 | 2020-07-14 | Dumbbell with easy-to-assemble and disassemble dumbbell piece |
| US17/339,712 US11167167B1 (en) | 2020-07-14 | 2021-06-04 | Weight-adjustable dumbbell component with locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021376529.0U CN212679950U (en) | 2020-07-14 | 2020-07-14 | Dumbbell with easy-to-assemble and disassemble dumbbell piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212679950U true CN212679950U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021376529.0U Active CN212679950U (en) | 2020-07-14 | 2020-07-14 | Dumbbell with easy-to-assemble and disassemble dumbbell piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212679950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011010A (en) * | 2021-12-01 | 2022-02-08 | 江苏万喜至工业设计有限公司 | Double-hand-grasping automatic weight-increasing and weight-reducing block type dumbbell |
| CN114699715A (en) * | 2022-03-31 | 2022-07-05 | 深圳卡路里体育技术有限公司 | Dumbbell and control method thereof |
-
2020
- 2020-07-14 CN CN202021376529.0U patent/CN212679950U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011010A (en) * | 2021-12-01 | 2022-02-08 | 江苏万喜至工业设计有限公司 | Double-hand-grasping automatic weight-increasing and weight-reducing block type dumbbell |
| CN114699715A (en) * | 2022-03-31 | 2022-07-05 | 深圳卡路里体育技术有限公司 | Dumbbell and control method thereof |
| CN114699715B (en) * | 2022-03-31 | 2023-09-22 | 深圳卡路里体育技术有限公司 | Dumbbell and control method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240130 Address after: 321200 Donggao Fenghuangshan Industrial Zone, Tongqin Town, Wuyi County, Jinhua City, Zhejiang Province Patentee after: Zhejiang Gongchuang Plastic Co.,Ltd. Country or region after: China Address before: No. 348, wengbu village, Jiangnan street, Yongkang City, Jinhua City, Zhejiang Province Patentee before: Weng Gaowang Country or region before: China |