Fitness device capable of rapidly adjusting weight of magnetic type dumbbell
By using neodymium iron boron magnets and positioning plates, the weight of the dumbbells can be quickly adjusted and securely fixed, solving the problems of cumbersome operation and safety hazards of traditional dumbbells, and improving training efficiency and equipment lifespan.
Patent Information
- Application Number
- CN202520420108.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Traditional dumbbells are cumbersome, time-consuming, and laborious to adjust in terms of weight, and pose safety hazards, affecting training efficiency and consistency.
It adopts a neodymium iron boron magnet and positioning plate structure, which realizes rapid adjustment of barbell plates through magnetic attraction, and combined with locking ring for fixation, it ensures safety and stability.
It enables rapid and safe adjustment of dumbbell weight, improves training continuity and lifespan, and reduces maintenance costs.
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Figure CN223944853U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dumbbell fitness equipment technical field, concretely relates to the fitness device of quick regulation magnetic attraction type dumbbell weight. BACKGROUND
[0002] With the continuous improvement of people's health consciousness, fitness has become a widely popular lifestyle. Whether professional athletes to improve the level of competition or ordinary fitness enthusiasts to pursue healthy physique and perfect figure, dumbbells as a basic and important fitness equipment are frequently used in various fitness scenes. In the gym, home fitness space and various fitness studios, the dumbbell is everywhere, with a very high frequency of use, becoming the core equipment of many strength training projects. According to relevant market research data, in recent years, the global fitness equipment market size has continued to grow, among which dumbbells as basic strength training equipment account for a certain proportion of the market share and maintain a stable upward trend.
[0003] Traditional dumbbells are mainly divided into fixed weight dumbbells and adjustable weight dumbbells. Fixed weight dumbbells require users to purchase multiple dumbbells of different weight specifications, which occupies a large space, and in the training process, if different weights need to be switched for diversified training, the dumbbells need to be frequently replaced, which is cumbersome to operate and easy to interrupt the training rhythm, affecting the training efficiency. Although the adjustable weight dumbbell can adjust the weight by adding or subtracting the weight piece, this adjustment method usually needs the help of tools such as screwdrivers, which is time-consuming and laborious to operate, especially when high-intensity and fast-paced training is carried out, it is difficult to quickly switch the weight, which seriously affects the continuity and fluency of training.
[0004] In the process of adding or subtracting the weight piece of the traditional adjustable dumbbell, since the installation of the weight piece relies on the fastening of nuts, screw rods and other components, if the installation is improper, the weight piece may loosen or even fall off during use, which not only damages the dumbbell, but also more seriously may cause accidental injury to the user, such as bruising the feet, legs, etc. Moreover, frequent installation and disassembly operations are easy to cause wear and tear of nuts, screw rods and other components, reducing the service life of the dumbbell and increasing the maintenance cost of the user. SUMMARY
[0005] Technical problem solved
[0006] In view of the above shortcomings of the prior art, the utility model provides a fitness device for quickly adjusting the weight of a magnetic attraction type dumbbell, which can effectively solve the inconvenience caused by the traditional dumbbell in the prior art.
[0007] Technical scheme
[0008] To achieve the above purpose, the utility model is implemented by the following technical scheme:
[0009] The utility model provides a fitness device of quick regulation magnetic attraction type dumbbell weight, including the handle and the positioning sheet of setting in the both sides of handle, the outside magnetic attraction fixed of positioning sheet has the barbell piece, the most outside of handle sets up and fixes the locking ring, the barbell piece includes the metal sheet and the rubber sleeve of setting in the outside of metal sheet, one side of barbell piece is fixed with the boron iron magnet, and the other side and the outside wall of positioning sheet are equipped with the positioning groove in the corresponding position, every group positioning groove is also fixed with the boron iron magnet.
[0010] Further, the handle is spindle-shaped, and the outer side wall of both ends is provided with a threaded groove, and the middle part of the positioning sheet and the locking ring is provided with a screw thread structure engaged with the threaded groove.
[0011] Further, the exposed surface of the boron iron magnet in the positioning groove and the boron iron magnet fixed on the outside of the barbell piece are opposite in magnetic property, and are fixed with four groups at equal intervals.
[0012] Further, a ring of outer grooves is formed on the outer side wall of the metal sheet, and the thickness of the rubber sleeve is adapted to the depth of the outer grooves.
[0013] Further, the locking ring is an integrated structure of a circular ring and a sleeve, and the outer diameter of the circular ring is larger than the inner diameter of the metal sheet, and the inner diameter of the metal sheet is larger than the diameter of both ends of the handle.
[0014] Further, the outer side surface of the middle part of the handle is treated by knurling process.
[0015] Beneficial effects
[0016] The technical scheme provided by the utility model has the following beneficial effects compared with the known prior art:
[0017] The utility model discloses a barbell piece and positioning sheet structure with boron iron magnet, when adjusting weight, first, the positioning sheet is rotated into the middle part of handle from both ends through the threaded groove of both sides of handle, then, a group of barbell pieces are set on both sides of handle, the boron iron magnet on the surface of metal sheet and the boron iron magnet on the positioning sheet are attracted, because the magnetic property of the boron iron magnet on both sides is opposite, the boron iron magnet with strong magnetism can realize fastening combination, if necessary, new barbell pieces are set on both sides of handle according to the method, because the rubber sleeve is embedded in the outer groove, so the magnetic attraction effect is not hindered when stacking, finally, the locking ring is sealed and locked, the locking ring is set and fixed with the exposed handle, the sleeve in the inside of locking ring is fixed with handle, the circular ring compresses the space between barbell pieces, cooperates with the positioning sheet in the inside, and the barbell pieces and handle form a unified whole, the operation of adding and replacing pieces can be realized quickly, and the safety of the non-integral barbell is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0019] Figure 1 It is a structural schematic diagram of the present application;
[0020] Figure 2 It is a structural exploded view of the present application;
[0021] Figure 3 It is a structural exploded view of the barbell plate in the present application;
[0022] Figure 4 It is a structural exploded view of the barbell plate in the present application;
[0023] Figure 5 It is an exploded view of the structure of the present application.
[0024] The numbers in the figure represent: 1, handle; 11, threaded groove; 2, barbell plate; 21, metal sheet; 22, outer groove; 23, R-Fe-B magnet; 24, rubber sleeve; 25, positioning groove; 3, positioning sheet; 4, locking ring. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0026] The present application will be further described below in combination with the embodiments.
[0027] Embodiment: The fitness device for quickly adjusting the weight of the magnetic dumbbell, referring to the attached Figure 1 -attached Figure 5 , including handle 1 and positioning sheet 3 sleeved on both sides of handle 1, the outer side of positioning sheet 3 is magnetically fixed with barbell plate 2, the outermost side of handle 1 is sleeved and fixed with locking ring 4, barbell plate 2 includes metal sheet 21 and rubber sleeve 24 sleeved on the outer side of metal sheet 21, one side of barbell plate 2 is fixed with R-Fe-B magnet 23, and the other side and the outer side wall of positioning sheet 3 are provided with positioning groove 25 at the corresponding position, and R-Fe-B magnet 23 is also fixed in each group of positioning groove 25.
[0028] The handle 1 is spindle-shaped, and the outer side wall of both ends is provided with a threaded groove 11, and the outer side surface of the middle part of the handle 1 is provided with an anti-skid treatment through a knurling process; the friction force during use is improved, thereby improving the safety; the middle part of the positioning sheet 3 and the locking ring 4 is provided with a threaded structure engaged with the threaded groove 11, the locking ring 4 is an integrated structure of a circular ring and a sleeve, and the outer diameter of the circular ring is greater than the inner diameter of the metal sheet 21, and the inner diameter of the metal sheet 21 is greater than the diameter of both ends of the handle 1; through the structure of the dumbbell sheet 2 and the positioning sheet 3 provided with a rubidium iron boron magnet 23, when adjusting the weight, the user can first rotate the positioning sheet 3 from both ends into the middle part of the handle 1 through the threaded grooves 11 on both sides of the handle 1, and then a group of dumbbell sheets 2 are sleeved on both sides of the handle 1, and the rubidium iron boron magnet 23 on the surface of the metal sheet 21 is attracted to the rubidium iron boron magnet 23 on the positioning sheet 3, and since the magnetism of the rubidium iron boron magnets 23 on both sides is opposite, the rubidium iron boron with strong magnetism can be used to realize fastening combination, and if a sheet needs to be added, new dumbbell sheets 2 can be continuously sleeved on both sides of the handle 1 according to the method.
[0029] The exposed surface of the rubidium iron boron magnet 23 in the positioning groove 25 and the rubidium iron boron magnet 23 fixed on the outer side of the dumbbell sheet 2 are opposite in magnetism, and are fixed with four groups at equal intervals; the multiple groups of positioning grooves 25 and rubidium iron boron magnets 23 can improve the magnetic attraction degree between the dumbbell sheets 2, thereby improving the structural integrity, a ring of outer grooves 22 is formed on the outer side wall of the metal sheet 21, and the thickness of the rubber sleeve 24 is adapted to the depth of the outer groove 22; since the rubber sleeve 24 is embedded in the outer groove 22, the magnetic attraction effect is not hindered during stacking, finally, the locking ring 4 is used for plugging and locking, the locking ring 4 is sleeved and fixed with the exposed handle 1, the sleeve on the inner side of the locking ring 4 is screwed with the handle 1, the circular ring compresses the space between the dumbbell sheets 2, cooperates with the positioning sheet 3 on the inner side, and forms a unified whole with the dumbbell sheets 2 and the handle 1, so that the operation of adding or replacing the sheet can be quickly realized, and the safety of the non-integral dumbbell is improved.
[0030] The above embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.
Claims
1. A fitness device for quick adjustment of magnetic weight dumbbell weights, characterized by, The utility model provides a barbell, including a handle (1) and the positioning sheet (3) of sleeve setting in both sides of handle (1), the outside magnetic attraction fixed weight plate (2) of positioning sheet (3), the most outside sleeve setting fixed locking ring (4) of handle (1), including metal sheet (21) and the rubber sleeve (24) of sleeve setting in the outside of metal sheet (21) in weight plate (2), one side of weight plate (2) is fixed with borus iron magnet (23), and the other side and the outside wall of positioning sheet (3) are set up with positioning slot (25) in corresponding position, and positioning slot (25) is also fixed with borus iron magnet (23) in each group.
2. The quick-adjust magnetic weight fitness device of claim 1, wherein, The handle (1) is spindle-shaped, and the outer side wall of both ends is provided with a threaded groove (11), the middle part of the positioning sheet (3) and the locking ring (4) is provided with a screw thread structure which is engaged with the threaded groove (11).
3. The quick-adjust magnetic weight fitness device of claim 1, wherein, The exposed surface of the borus iron magnet (23) in the positioning slot (25) and the borus iron magnet (23) fixed on the outside of the weight plate (2) are opposite in magnetic property, and each is fixed with four groups at equal intervals.
4. The quick-adjust magnetic weight fitness device of claim 1, wherein, The outer side wall of the metal sheet (21) is provided with an outer groove (22), and the thickness of the rubber sleeve (24) is matched with the depth of the outer groove (22).
5. The quick-adjust magnetic weight fitness device of claim 4, wherein, The locking ring (4) is an integrated structure of a circular ring and a sleeve, and the outer diameter of the circular ring is larger than the inner diameter of the metal sheet (21), and the inner diameter of the metal sheet (21) is larger than the diameter of the handle (1).
6. The quick-adjust magnetic weight fitness device of claim 1, wherein, The outer side surface of the middle part of the handle (1) is treated by knurling process.