PU (polyurethane) flat-bottom inclined-head dumbbell

Abstract

The utility model relates to the technical field of dumbbells, in particular to a PU flat-bottom inclined-head dumbbell which comprises a grip, screw columns are integrally arranged at the two ends of the grip, and a first dumbbell piece, a second increasing piece, a third increasing piece, a fourth increasing piece, a fifth increasing piece, a sixth increasing piece and a seventh increasing piece are sequentially assembled on the surfaces of the screw columns from inside to outside in a sleeved mode. The first dumbbell piece, the second increasing piece, the third increasing piece, the fourth increasing piece, the fifth increasing piece, the sixth increasing piece and the seventh increasing piece are sequentially narrowed and widened, the outer end of the screw column is sleeved with a fastening nut in a threaded mode, and the first dumbbell piece, the second increasing piece, the third increasing piece, the fourth increasing piece, the fifth increasing piece, the sixth increasing piece and the seventh increasing piece are all sleeved with PU sleeves. Due to the arrangement of the PU material in a sleeved mode, the novel pillow is more comfortable to hold and use, and noise is not prone to being generated when the novel pillow is placed and used.

Description

Technical Field

[0001] This utility model relates to the field of dumbbell technology, specifically a PU flat-bottomed angled dumbbell. Background Technology

[0002] PU, also known as polyurethane, is a polymer material with good elasticity, wear resistance, and chemical corrosion resistance. It has a wide range of applications, such as being used as a sleeve on the outside of dumbbells. In the fitness equipment field, dumbbells are an extremely common and widely used strength training tool. Traditional dumbbells typically consist of a dumbbell head made of metal or other heavy materials and a grip bar connected to the dumbbell head. With the continuous expansion of the fitness population and the increasing diversification of fitness needs, the types of dumbbells are constantly evolving, differing in aspects such as design and materials.

[0003] In response, Chinese patent application number CN202220736200.3 discloses a dumbbell, comprising: a handheld assembly, the handheld assembly including a bracket, the bracket being provided in two; the two ends of a load-bearing shaft being rotatably connected to the two brackets respectively, and configured as a load-bearing bracket; two sleeves being provided, respectively sleeved on the two ends of the load-bearing shaft, and configured to move along the extension direction of the load-bearing shaft under rotation; a counterweight having a through hole; the sleeves being configured to move along the extension direction of the load-bearing shaft to extend into the through hole of the counterweight, or to leave the through hole of the counterweight;

[0004] However, most existing dumbbells are too stiff and tend to make noise when used and placed, affecting comfort and convenience.

[0005] Therefore, in order to solve the above problems, a PU flat-bottomed angled head dumbbell is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide a PU flat-bottomed angled head dumbbell to solve the problems mentioned in the background art, such as the fact that most existing dumbbells are too stiff and are prone to noise during use and placement, affecting the comfort and convenience of use.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a PU flat-bottomed angled dumbbell, including a handle, with a screw thread integrally provided at both ends of the handle. Dumbbell plates one, two, three, four, five, six, and seven are sequentially fitted onto the surface of the screw thread from the inside out, with dumbbell plates one, two, three, four, five, six, and seven becoming progressively smaller and wider. A fastening nut is threaded onto the outer end of the screw thread, and PU sleeves are fitted onto the outside of dumbbell plates one, two, three, four, five, six, and seven.

[0008] As a further improvement to this solution, the bottom of the outer ring of dumbbell plate 1, plate 2, plate 3, plate 4, plate 5, plate 6 and plate 7 is flat, and the cross-section of the outer ring of dumbbell plate 1, plate 2, plate 3, plate 4, plate 5, plate 6 and plate 7 is a regular polygon. The dumbbell plate 1, plate 2, plate 3, plate 4, plate 5, plate 6 and plate 7 are all inclined from the inside to the outside.

[0009] As a further step of this solution, the inner wall of the PU sleeve is integrally fixed with a limiting protrusion ball, which is engaged with the outer wall of the dumbbell plate one, and the outer wall of the limiting protrusion ball is provided with a limiting groove corresponding to the limiting protrusion ball. The PU sleeves on the surfaces of the second, third, fourth, fifth, sixth and seventh additional plates are all configured in the same way.

[0010] As a further step of this solution, a support ring is integrally fixed at both ends of the grip where it connects with the screw, and a top ring plate is supported on the outer wall of the support ring. The top ring plate is sleeved and supported on the outer wall of the screw. The screw is hexagonal at one end of the top ring plate, and a hexagonal through hole is opened inside the top ring plate.

[0011] As a further step of this solution, the inner wall of the first dumbbell plate is uniformly fixed with positioning pins, and the outer wall of the first dumbbell plate and the outer wall of the top ring plate are both provided with positioning slots corresponding to the positioning pins. The inner and outer walls of the second, third, fourth, fifth, sixth and seventh extension plates are all provided with the same configuration.

[0012] As a further step of this solution, the threads on the surfaces of the screws at both ends of the grip are arranged symmetrically and oppositely, and the outer wall of the fastening nut is symmetrically fixed with twisting plates.

[0013] As a further step of this solution, the grip surface is covered with a PU grip sleeve, and the surface of the PU grip sleeve is evenly and alternately provided with raised and recessed grooves.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the PU material sleeve makes it more comfortable to hold and use, and it is less likely to generate noise when placed and used;

[0015] 1. This utility model, by setting up a dumbbell plate and a PU sleeve, as well as corresponding additional plates two, three, four, five, six and seven, makes the exterior of the dumbbell less hardened by the corresponding PU material sleeve during use, making subsequent operation more comfortable and less noisy, and making operation more convenient. Through this design, the convenience and practicality of the PU flat-bottomed angled dumbbell are improved.

[0016] 2. This utility model features a series of dumbbell plates that gradually decrease in size and width, namely plate one, plate two, plate three, plate four, plate five, plate six, and plate seven, with the bottom of the plate tilted relative to the outside. This design makes placement and use more convenient and allows for easier assembly and combination according to usage needs. It also makes subsequent operation and use more convenient, and the placement more stable and less prone to rolling. This design improves the convenience and practicality of the PU flat-bottomed angled dumbbell. Attached Figure Description

[0017] Figure 1 This is a three-dimensional sectional view of the overall structure of this utility model.

[0018] Figure 2 This is a side perspective three-dimensional schematic diagram of the overall structure of this utility model;

[0019] Figure 3 This is a top-view exploded view of the overall structure of this utility model.

[0020] Figure 4 This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0021] In the diagram: 100, grip; 101, PU grip sleeve; 110, screw thread; 111, support ring; 112, top ring plate; 120, dumbbell plate one; 121, PU sleeve; 122, limiting protrusion; 123, limiting groove; 124, positioning pin; 125, positioning slot; 130, additional plate two; 140, additional plate three; 150, additional plate four; 160, additional plate five; 170, additional plate six; 180, additional plate seven; 190, fastening nut; 191, twisting plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 One embodiment provided by this utility model:

[0024] A PU flat-bottomed angled dumbbell includes a handle 100, with threaded post 110 integrally provided at both ends. Dumbbell plates 120, 130, 140, 150, 160, 170, and 180 are sequentially fitted onto the surface of the threaded post 110 from the inside out. The dumbbell plates 120, 130, 140, 150, 160, 170, and 180 become progressively smaller and wider. A fastening nut 190 is threaded onto the outer end of the threaded post 110. PU sleeves 121 are fitted onto the exterior of the dumbbell plates 120, 130, 140, 150, 160, 170, and 180.

[0025] In a more detailed embodiment, the bottom of the outer rings of dumbbell plates 120, 130, 140, 150, 160, 170, and 180 are all flat, and the cross-section of the outer rings of dumbbell plates 120, 130, 140, 150, 160, 170, and 180 is a regular polygon. The dumbbell plates 120, 130, 140, 150, 160, 170, and 180 are all inclined from the inside out. This makes them easier to place during use, less prone to rolling, and more convenient to operate.

[0026] As described in more detail in this embodiment, a limiting protrusion 122 is integrally fixed on the inner sidewall of the PU sleeve 121. The limiting protrusion 122 is engaged on the outer wall of the dumbbell plate 120, and a limiting groove 123 corresponding to the limiting protrusion 122 is opened on the outer wall of the limiting protrusion 122. The PU sleeve 121 on the surfaces of the second, third, fourth, fifth, sixth, and seventh plates 180 are all similarly provided. In this way, the PU sleeve 121 can be stably fitted and assembled on the outside of the dumbbell plate 120, making it less likely to fall off during use, and facilitating stable assembly and use.

[0027] As described in more detail in this embodiment, a support ring 111 is integrally fixed at the joints of the handle 100 and the screw post 110. The outer wall of the support ring 111 is supported by a top ring plate 112. The top ring plate 112 is sleeved and supported on the outer wall of the screw post 110. The screw post 110 is hexagonal at one end of the top ring plate 112. A hexagonal through hole is opened inside the top ring plate 112. In this way, it is convenient to limit the inner end of the handle 100 during use, making subsequent assembly and use more convenient. It is also convenient to limit the top ring plate 112, making subsequent assembly easier and faster to position.

[0028] As described in more detail in this embodiment, the inner wall of dumbbell plate 120 is uniformly provided with positioning pins 124, and the outer wall of dumbbell plate 120 and the outer wall of top ring plate 112 are provided with positioning slots 125 corresponding to the positioning pins 124. The inner and outer walls of the second plate 130, the third plate 140, the fourth plate 150, the fifth plate 160, the sixth plate 170 and the seventh plate 180 are all provided with the same configuration. In this way, it is easy to perform auxiliary positioning during use, and it is not easy to cause relative rotation, making the assembly and use more stable and convenient.

[0029] As a more detailed embodiment, the threads on the surfaces of the threaded studs 110 at both ends of the handle 100 are arranged symmetrically and oppositely, and the outer wall of the fastening nut 190 is symmetrically fixed with twisting pieces 191. In this way, it is easy to assemble and fix them to each other on both sides during use, making operation and use more convenient.

[0030] As described in more detail in this embodiment, a PU grip cover 101 is provided on the surface of the grip 100, and the surface of the PU grip cover 101 is provided with evenly spaced protrusions and grooves, so as to facilitate a stable grip on the grip 100 during use and make the use more comfortable.

[0031] Working principle: During assembly and use, the corresponding threaded post 110 facilitates the sequential assembly of dumbbell plates 120, 130, 140, 150, 160, 170, and 180. Simultaneously, the support ring 111 and top ring plate 112 help to block dumbbell plate 120. Furthermore, the positioning post 124 and positioning slot 125 facilitate quick and easy positioning during assembly, preventing rotation and making subsequent placement and use more convenient. During assembly and use, the limiting protrusion 122 and limiting groove 123 facilitate the fitting and assembly of the PU sleeve 121, ensuring a comfortable PU backing and reducing noise and rolling. The operation is now complete.

[0032] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A PU flat bottom inclined head dumbbell, comprising a handle (100), the handle (100) is integrally provided with a silk column (110) at both ends, characterized in that: The surface of the wire column (110) is sequentially sleeved with dumbbell piece one (120), increased piece two (130), increased piece three (140), increased piece four (150), increased piece five (160), increased piece six (170) and increased piece seven (180) from inside to outside, and the dumbbell piece one (120), the increased piece two (130), the increased piece three (140), the increased piece four (150), the increased piece five (160), the increased piece six (170) and the increased piece seven (180) are sequentially smaller and wider, the outer end of the wire column (110) is threadedly sleeved with a fastening nut (190), the outer part of the dumbbell piece one (120), the increased piece two (130), the increased piece three (140), the increased piece four (150), the increased piece five (160), the increased piece six (170) and the increased piece seven (180) is sleeved with a PU sleeve (121), the bottom of the outer circle of the dumbbell piece one (120), the increased piece two (130), the increased piece three (140), the increased piece four (150), the increased piece five (160), the increased piece six (170) and the increased piece seven (180) is provided with a flat bottom, and the outer circle of the dumbbell piece one (120), the increased piece two (130), the increased piece three (140), the increased piece four (150), the increased piece five (160), the increased piece six (170) and the increased piece seven (180) is provided with a regular polygonal cross section, and the dumbbell piece one (120), the increased piece two (130), the increased piece three (140), the increased piece four (150), the increased piece five (160), the increased piece six (170) and the increased piece seven (180) are all provided with an inclined setting from inside to outside.

2. A PU flat bottomed incline head dumbbell according to claim 1 wherein: The inner side wall of the PU sleeve (121) is integrally provided with a limiting convex ball (122), the limiting convex ball (122) is clamped on the outer wall of the dumbbell piece one (120), and the outer wall of the limiting convex ball (122) is provided with a limiting recess (123) corresponding to the limiting convex ball (122), and the surfaces of the increased piece two (130), the increased piece three (140), the increased piece four (150), the increased piece five (160), the increased piece six (170) and the increased piece seven (180) are all provided with the same PU sleeve (121).

3. The PU flat bottomed incline head dumbbell according to claim 1, wherein: The two ends of the handle (100) are integrally provided with a support bow (111) at the abutting part of the wire column (110), and the outer wall of the support bow (111) is supported by a top ring plate (112), the top ring plate (112) is sleeved and supported on the outer wall of the wire column (110), one end of the wire column (110) located in the top ring plate (112) is hexagonal, and the inside of the top ring plate (112) is provided with a hexagonal through hole.

4. A PU flat bottomed incline head dumbbell according to claim 3 wherein: The inner wall of the dumbbell piece one (120) is uniformly provided with a positioning insertion column (124), the outer wall of the dumbbell piece one (120) and the outer wall of the top ring plate (112) are both provided with a positioning insertion groove (125) corresponding to the positioning insertion column (124), and the inner and outer walls of the increased piece two (130), the increased piece three (140), the increased piece four (150), the increased piece five (160), the increased piece six (170) and the increased piece seven (180) are all provided with the same setting.

5. The PU flat bottomed incline head dumbbell according to claim 1, wherein: The surface threads of the wire column (110) at the two ends of the handle (100) are symmetrically and oppositely arranged, and the outer wall of the fastening nut (190) is symmetrically provided with a torsion piece (191).

6. The PU flat bottomed incline head dumbbell of claim 1, wherein: The handle (100) is covered with a PU handle cover (101), and the PU handle cover (101) is uniformly and alternately provided with convex and concave grooves.

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