CN219529536U - Nut-free bell plate locking structure - Google Patents
Nut-free bell plate locking structure Download PDFInfo
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- CN219529536U CN219529536U CN202320428655.3U CN202320428655U CN219529536U CN 219529536 U CN219529536 U CN 219529536U CN 202320428655 U CN202320428655 U CN 202320428655U CN 219529536 U CN219529536 U CN 219529536U
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- bell
- plate
- locking structure
- piece
- nut
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a locking structure of a nut-free bell plate, which comprises a bell plate, wherein the bell plate is provided with a through hole, one side or two sides of the through hole are provided with notches, and movable pieces matched with the notches are arranged at the notches to form bell rod perforations. The dumbbell barbell structure of the utility model avoids the nut locking piece of the traditional dumbbell barbell, reduces the parts for users to assemble the bell piece, avoids omission of the nut locking piece during boxing, transportation or movement, and simultaneously can be quickly filled into a bell rod, and then the bell plate can be rotated after being in place, so that the bell rod can be tightly fixed by extruding the movable piece.
Description
Technical Field
The utility model relates to body-building equipment, in particular to a nut-free bell plate locking structure.
Background
At present, the existing dumbbell and barbell weight plates are installed and are locked and fixed by matching with nut locking pieces, so that each auxiliary dumbbell or barbell is matched with four nut locking pieces, more components are needed, the nut locking pieces are easy to miss when the dumbbell or barbell is packaged, transported or moved, and in addition, the nut is required to be slowly screwed in along the screw threads, so that the assembly is more troublesome. Therefore, developing a locking structure of a nut-free weight plate becomes a problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims to solve the defects and provides a locking structure of a nut-free bell plate.
The above object of the present utility model is achieved by the following technical solutions: a locking structure of a nut-free bell plate comprises a bell plate, wherein the bell plate is provided with a through hole, one side or two sides of the through hole are provided with convex arc-shaped notches, movable pieces which are matched with the convex arc-shaped notches are arranged at the convex arc-shaped notches, and bell rod perforations with the inner diameter equal to or larger than the outer diameters of two ends of the bell plate rod are formed.
Further, the nut-free bell plate locking structure further comprises a bell rod, a holding part is arranged in the middle section of the bell rod, bell plate mounting ends are arranged at two ends of the bell rod, and bosses used for limiting the movable part to rotate are arranged at two ends of the holding part of the bell rod.
Further, two sides of the weight plate or two sides of the movable piece are provided with limiting structures for limiting the rotation of the movable piece on the adjacent weight plate.
Further, the radial section of the movable piece is in a shape of a thin middle thick two sides and is matched with the convex arc-shaped notch.
Further, hanging tables for preventing the movable piece from being separated from the weight plate are arranged at two ends of the movable piece, and the hanging tables are hung on the end faces of the weight plate at two sides of the center hole of the weight plate.
Further, circular arc-shaped radial limiting protrusions are arranged on the end faces of two sides of the bell plate, a hooking part is arranged on a hanging table of the movable piece, and the movable piece cannot deviate to the bell rod perforation under the limiting effect of the radial limiting protrusions, so that the problem that the bell rod perforation is reduced before the bell plate is assembled, and the bell rod is difficult to penetrate is avoided.
Further, the movable piece comprises an inner piece and an outer piece, and the inner piece and the outer piece are provided with buckling structures which are fastened with each other.
Further, friction surfaces are arranged on the inner wall of the movable piece and the surface of the mounting end of the bell plate of the bell rod.
Further, concave-convex lines for enhancing friction are arranged on the friction surface.
Further, the movable member may be made of plastic or rubber or the like.
Compared with the prior art, the utility model has the advantages that: the dumbbell barbell structure of the utility model avoids the nut locking piece of the traditional dumbbell barbell, not only reduces the parts for users to assemble the dumbbell piece and avoids the omission of the nut locking piece during boxing, transportation or movement, but also ensures that the dumbbell barbell structure is simpler, simultaneously, the dumbbell bar can be quickly loaded, and the movable piece can be pressed by rotating the bell piece after the dumbbell bar is in place, so that the dumbbell barbell and the bell bar are tightly fixed by tension.
Drawings
Fig. 1 is a schematic diagram of a side structure of a first and a second embodiment of the present utility model.
Fig. 2 is a schematic diagram of another structure of the first and second embodiments of the present utility model.
Fig. 3 is a front view of a weight plate according to a first and second embodiment of the present utility model.
Fig. 4 is a schematic perspective view of the first and second embodiments of the present utility model.
Fig. 5 is a schematic structural view of a movable member in the first and second embodiments of the present utility model.
Fig. 6 is a cross-sectional view at A-A in fig. 5.
Fig. 7 is a cross-sectional view at B-B in fig. 5.
Fig. 8 is an overall construction diagram of a weight plate and a bell bar according to first and second embodiments of the present utility model.
Fig. 9 is a schematic structural view of bell bars according to the first and second embodiments of the present utility model.
Fig. 10 is a perspective view showing a weight plate according to the first and second embodiments of the present utility model.
Fig. 11 is an exploded view of the assembled structure of the weight plate and the bell bar of the first and second embodiments of the present utility model.
Fig. 12 is a schematic view showing a side structure of a third and fourth embodiment of the present utility model.
Fig. 13 is a schematic view of another side structure of the third and fourth embodiments of the present utility model.
Fig. 14 is a front view of a weight plate in accordance with a third and fourth embodiment of the present utility model.
Fig. 15 is a schematic front view of a third and fourth embodiment of the present utility model.
Fig. 16 is a schematic perspective view of a third and fourth embodiment of the present utility model.
Fig. 17 is a schematic structural view of a movable member in the third and fourth embodiments of the present utility model.
Fig. 18 is a cross-sectional view at C-C in fig. 17.
Fig. 19 is a cross-sectional view at D-D in fig. 17.
Fig. 20 is an overall block diagram of a weight plate and a bell bar according to a third and fourth embodiment of the present utility model.
Fig. 21 is a schematic structural view of bell bars in a third and fourth embodiment of the present utility model.
Fig. 22 is a perspective view showing a weight plate according to a third and fourth embodiment of the present utility model.
Fig. 23 is an exploded view of the assembled structure of a weight plate and a bell bar according to a third and fourth embodiment of the present utility model.
Detailed Description
The utility model is further described in detail below with reference to the accompanying drawings.
Example 1: as shown in fig. 1 to 7, a locking structure of a nut-free weight plate comprises a weight plate 1, wherein the weight plate 1 is provided with a through hole 2, one side of the through hole 2 is provided with an outer convex arc-shaped notch 3, a movable piece 4 which is matched with the outer convex arc-shaped notch 3 is arranged at the outer convex arc-shaped notch 3, two ends of the outer convex arc-shaped notch 3 are provided with rotating stroke clamping positions 301 of the movable piece 4, the movable piece 4 is made of rubber or other materials (plastic with certain elasticity can also be adopted), two ends of the movable piece 4 are provided with hanging tables 5 for preventing the movable piece 4 from being separated from the weight plate 1, and the end faces of the weight plate 1 are hung on two sides of a center hole of the weight plate 1. In order to facilitate the assembly of the movable member 4, the movable member 4 is designed to be a split structure and comprises an inner member 401 and an outer member 402, the inner member 401 and the outer member 402 are provided with fastening structures 403 fastened with each other, and when the movable member 4 is assembled, the inner member 401 and the outer member 402 are inserted from two sides of the protruding arc-shaped notch 3 of the through hole 2 and fastened into a whole, namely, the assembly is completed. The radial sections of the inner member 401 and the outer member 402 are in the shape of a middle thick and thin two sides (as the sectional area in fig. 7), namely, the middle is set to be a thick part, the two sides are set to be thin parts, the thickness of the inner member 401 and the outer member 402 gradually changes from the middle to the two sides, the shape of the outer arc-shaped notch 3 of the through hole 2 is matched with that of the inner member 401 and the outer member 402, and after the movable member 4 is assembled, bell rod through holes 6 with the inner diameter equal to or larger than the outer diameters of the two ends of the bell rod 9 are formed.
In order to make the assembly more convenient and quick, circular arc-shaped radial limiting protrusions 7 are arranged on the end faces of two sides of the weight plate 1, a hooking part 8 is arranged on the hanging table 5 of the movable piece 4, and the movable piece 4 cannot deviate to the bell rod perforation 6 under the limiting action of the radial limiting protrusions 7, so that the problem that the bell rod perforation 6 is reduced before the weight plate 1 is assembled to cause that the bell rod 9 is difficult to penetrate is avoided.
In order to increase friction and further enhance locking force, friction surfaces are arranged on the inner wall of the movable piece 4 and the surface of the bell plate mounting end 902 of the bell rod 9, and concave-convex lines for enhancing friction are arranged on the friction surfaces.
As shown in fig. 1 to 8, when in use, the weight plate 1 is only required to be worn on the bell bar 9, the weight plate 1 is only required to be worn to the bottom (i.e. to be propped against one end of the hand grip 901 of the bell bar 9) until being propped against one end of the hand grip of the bell bar 9, and then the weight plate 1 is rotated clockwise or anticlockwise, so that the weight plate 1 drives the movable piece 4 to rotate, at the moment, the inner surface of the movable piece 4 and the bell bar 9 are contacted and rubbed, the movable piece 4 stops rotating relative to the bell bar 9 due to friction, at the moment, the weight plate 1 is continuously rotated, and the narrow end of the outwards convex arc-shaped notch 3 on the weight plate 1 is continuously extruded to the thicker part of the middle part of the movable piece 4 to be tightly fixed, namely the assembly of the weight plate 1 is completed. When the weight is required to be added, the weight plates 1 are continuously penetrated, and each weight plate 1 can be fixed by adopting the same operation.
Example 2: as shown in fig. 9 and 10, in order to avoid the influence of the locking speed due to the weakening of the friction force between the movable member 4 and the bell lever 9 after a long time, the structure of embodiment 1 is further optimized. The nut-free bell plate 1 locking structure further comprises a bell rod 9, a hand holding part 901 is arranged in the middle section of the bell rod 9, bell plate mounting ends 902 are arranged at two ends of the bell rod, steps 903 for assisting in limiting rotation of the movable piece 4 are arranged at two ends of the hand holding part 901, rotation limiting protrusions 10 for assisting in limiting rotation of the movable piece 4 on the adjacent bell plate 1 are arranged at two sides of the bell plate 1, and the rotation limiting protrusions 10 and the radial limiting protrusions 7 are integrally designed, namely, two ends of the circular arc-shaped radial limiting protrusions 7 are directly utilized to serve as rotation limiting protrusions 10.
The assembly process of this embodiment: as shown in fig. 11, the first weight plate 1 is put on the weight plate mounting end 902, once the weight plate 1 is put on the bottom (i.e. is abutted against one end of the hand-holding portion 901 of the bell rod 9), if the hanging table 5 on one side of the movable piece 4 located inside the weight plate 1 does not fall into the lower step of the steps 903 at both ends of the hand-holding portion 901 of the bell rod 9, the weight plate 1 is rotated slightly to fall into the lower step of the steps 903 at both ends of the hand-holding portion 901 of the bell rod 9, at this time, the weight plate 1 is rotated (clockwise or anticlockwise) to rotate the movable piece 4, and when one end of the movable piece 4 abuts against the steps 903 at one end of the bell rod 9, the weight plate 1 is continuously rotated, so that the narrow end of the outwards convex arc-shaped notch 3 on the weight plate 1 is continuously pressed towards the middle (middle is thicker) of the movable piece 4 to be tightened, i.e. the assembly of the first weight plate 1 is completed. When the weight is needed to be added, the second weight plate 1 can be taken out, and the second weight plate 1 is penetrated to the bottom (i.e. is propped against the first weight plate 1), if the hanging table 5 at one side of the movable piece 4 positioned at the inner side of the second weight plate 1 does not fall into the lower concave part at one side of the rotation limiting protrusion 10 of the first weight plate 1, the second weight plate 1 is slightly rotated to fall into the lower concave part at one side of the rotation limiting protrusion 10 of the first weight plate 1, at this time, the movable piece 1 is rotated (in accordance with the rotation direction of the first weight plate 1), the movable piece 4 is driven to rotate, and when one end of the movable piece 4 is propped against the rotation limiting protrusion 10, the movable piece 1 is continuously rotated, so that the narrow end of the convex arc-shaped notch 3 on the second weight plate 1 is continuously extruded to be tensed towards the thicker part in the middle of the movable piece 4, namely the assembly of the first weight plate 1 is completed.
Example 3: as shown in fig. 12 to 19, a locking structure of a nut-free weight plate comprises a weight plate 1, wherein the weight plate 1 is provided with a through hole 2, two sides of the through hole 2 are respectively provided with an outer convex arc-shaped notch 3 to form a shape similar to an elliptical hole, movable pieces 4 which are matched with the outer convex arc-shaped notch 3 are respectively arranged at the outer convex arc-shaped notches 3 at two sides, a rotating stroke clamping position 301 of each movable piece 4 is arranged at the juncture of the two outer convex arc-shaped notches 3, each movable piece 4 is made of rubber and other materials (can also be made of plastics with certain elasticity), and two ends of each movable piece 4 are provided with hanging tables 5 for preventing the movable pieces 4 from being separated from the weight plate 1, and the end faces of the weight plate 1 hung at two sides of a center hole of the weight plate 1. In order to facilitate the assembly of the movable member 4, the movable member 4 is designed to be a split structure and comprises an inner member 401 and an outer member 402, the inner member 401 and the outer member 402 are provided with fastening structures 403 fastened with each other, and when the movable member 4 is assembled, the inner member 401 and the outer member 402 are inserted from two sides of the protruding arc-shaped notch 3 of the through hole 2 and fastened into a whole, namely, the assembly is completed. The radial sections of the inner part 401 and the outer part 402 are in the shape of a thin middle thick two sides and are matched with the shape of the convex arc-shaped notch 3 of the through hole 2, and after the movable part 4 is assembled, bell rod perforation 6 with the inner diameter equal to or larger than the outer diameters of the two ends of the bell rod 9 is formed.
In order to make the assembly more convenient and quick, circular arc-shaped radial limiting protrusions 7 are arranged on the end faces of two sides of the weight plate 1, a hooking part 8 is arranged on the hanging table 5 of the movable piece 4, and the movable piece 4 cannot deviate to the bell rod perforation 6 under the limiting action of the radial limiting protrusions 7, so that the problem that the bell rod perforation 6 is reduced before the weight plate 1 is assembled to cause that the bell rod 9 is difficult to penetrate is avoided.
In order to increase friction and further enhance locking force, friction surfaces are arranged on the inner wall of the movable piece 4 and the surface of the bell plate mounting end 902 of the bell rod 9, and concave-convex lines for enhancing friction are arranged on the friction surfaces.
As shown in fig. 12 to 20, when in use, the weight plate 1 is only required to be worn on the bell bar 9, the weight plate 1 is worn to the bottom (i.e. to be propped against one end of the hand grip 901 of the bell bar 9) until being propped against one end of the hand grip 901 of the bell bar 9, and then the weight plate 1 is rotated clockwise or anticlockwise to drive the movable pieces 4 to rotate, at this time, the inner surfaces of the two movable pieces 4 are contacted with the bell bar 9 for friction, the movable pieces 4 stop relative rotation with the bell bar 9 due to friction, at this time, the weight plate 1 is continuously rotated, and the narrow end of the convex arc-shaped notch 3 on the weight plate 1 is continuously extruded to the thicker part of the middle part of the movable pieces 4 for tightening and fixing, namely, the assembly of the weight plate 1 is completed. When the weight is required to be added, the weight plates 1 are continuously penetrated, and each weight plate 1 can be fixed by adopting the same operation.
Example 4: as shown in fig. 21 and 22, in order to avoid the influence of the locking speed due to the weakening of the friction force between the movable member 4 and the bell lever 9 after a long time, the structure of embodiment 3 is further optimized. The locking structure of the nut-free weight plate 1 further comprises a bell rod 9, a holding part 901 is arranged in the middle section of the bell rod 9, two ends of the bell rod are provided with weight plate mounting ends 902, and two ends of the holding part 901 are provided with steps 903 for assisting in limiting the rotation of the movable piece 4. As shown in fig. 12 and 13, the hanging tables 5 on two sides of the movable piece 4 are provided with a rotation limiting protrusion 10 and a rotation limiting groove 11 for assisting in limiting the rotation of the movable piece 4 on the adjacent weight plate 1, and the positions of the rotation limiting protrusion 10 and the rotation limiting groove 11 on the hanging tables 5 on two sides are distributed oppositely, so that the corresponding rotation limiting protrusion 10 and the rotation limiting groove 11 of the adjacent weight plate 1 are convenient to butt joint.
As shown in fig. 23, the assembly process of the present utility model: the first weight plate 1 is threaded onto the weight plate mounting end 902, the weight plate 1 is threaded to the bottom (i.e. is abutted against one end of the hand holding portion 901 of the bell rod 9), if the rotation limiting protrusion 10 and the rotation limiting groove 11 on the hanging table 5 on one side of the movable piece 4 positioned at the inner side of the weight plate 1 do not fall into the lower steps of the steps 903 at two ends of the hand holding portion 901 of the bell rod 9, the weight plate 1 is slightly rotated to fall into the lower steps of the steps 903 at two ends of the hand holding portion 901 of the bell rod 9, at this time, the weight plate 1 is rotated (clockwise or anticlockwise) to drive the movable piece 4 to rotate, and when the rotation limiting protrusion 10 and the rotation limiting groove 11 on the inner side of the movable piece 4 fall into the lower steps of the steps 903 at one end of the bell rod 9, the weight plate 1 is continuously rotated, so that the narrow ends of the outer protruding arc-shaped notches 3 on the weight plate 1 are continuously pressed to be tightly pressed towards the thicker middle of the movable piece 4, and the assembly of the first weight plate 1 is completed. When the weight is needed to be added, the second weight plate 1 can be taken out, and the second weight plate 1 is penetrated to the bottom (i.e. is propped against the first weight plate 1), if the rotation limit protrusion 10 and the rotation limit protrusion 11 on the inner side of the movable piece 4 positioned on the inner side of the second weight plate 1 are not aligned with the rotation limit protrusion 10 and the rotation limit protrusion 11 corresponding to the outer side of the first weight plate 1, the second weight plate 1 is slightly rotated to be aligned with the rotation limit protrusion 10 and the rotation limit protrusion 11 corresponding to the outer side of the first weight plate 1, at this time, the rotation weight plate 1 (consistent with the rotation direction of the first weight plate 1) drives the movable piece 4 to rotate, and when the rotation limit protrusion 10 and the rotation limit protrusion 11 on the movable piece 4 are positioned on the outer side of the first weight plate 1, the rotation weight plate 1 is continued, so that the narrow end of the arc-shaped notch 3 on the second weight plate 1 is continuously pressed and tightened to be thicker towards the middle part of the movable piece 4, namely the assembly of the first weight plate 1 is completed.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a exempt from nut bell piece locking structure, includes the bell piece, its characterized in that: the bell plate is provided with a through hole, one side or two sides of the through hole are provided with notches, and movable pieces matched with the notches are arranged at the notches to form bell rod perforations.
2. The nut plate locking structure of claim 1, wherein: the nut-free bell plate locking structure further comprises a bell rod, a holding part is arranged in the middle of the bell rod, bell plate mounting ends are arranged at two ends of the bell rod, and bosses used for limiting the movable part to rotate are arranged at two ends of the holding part of the bell rod.
3. The nut plate locking structure of claim 1, wherein: limiting structures for limiting the rotation of the movable pieces on the adjacent weight plates are arranged on two sides of the weight plates or two sides of the movable pieces.
4. The nut plate locking structure of claim 1, wherein: the radial section of the movable piece is in a shape of a thin middle thick two sides and is matched with the convex arc-shaped notch.
5. The nut plate locking structure of claim 1, wherein: hanging tables for preventing the movable piece from separating from the weight plate are arranged at two ends of the movable piece, and the hanging tables are hung on the end faces of the weight plate at two sides of the center hole of the weight plate.
6. The nut plate locking structure of claim 5, wherein: circular arc-shaped radial limiting protrusions are arranged on the end faces of two sides of the bell plate, a hooking part is arranged on a hanging table of the movable piece, and the movable piece cannot deviate to the bell rod perforation under the limiting effect of the radial limiting protrusions, so that the bell rod perforation is prevented from being reduced before the bell plate is assembled, and the bell rod is difficult to penetrate.
7. The nut plate locking structure of claim 1, wherein: the movable piece comprises an inner piece and an outer piece, and the inner piece and the outer piece are provided with buckling structures which are fastened with each other.
8. The nut plate locking structure of claim 1, wherein: the friction surfaces are arranged on the inner wall of the movable piece and the surface of the mounting end of the bell plate of the bell rod.
9. The nut plate locking structure of claim 8, wherein: the friction surface is provided with concave-convex lines for enhancing friction.
10. A nut plate lock arrangement as claimed in any one of claims 1 to 9, wherein: the movable member is made of plastic or rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320428655.3U CN219529536U (en) | 2023-03-09 | 2023-03-09 | Nut-free bell plate locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320428655.3U CN219529536U (en) | 2023-03-09 | 2023-03-09 | Nut-free bell plate locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219529536U true CN219529536U (en) | 2023-08-15 |
Family
ID=87630672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320428655.3U Active CN219529536U (en) | 2023-03-09 | 2023-03-09 | Nut-free bell plate locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219529536U (en) |
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2023
- 2023-03-09 CN CN202320428655.3U patent/CN219529536U/en active Active
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