U-shaped arm strength device

By using a detachable force-binding linkage and insertion rod structure, combined with a protective sleeve and auxiliary handle, the problems of non-adjustable elastic force and unstable use of the arm strength exerciser are solved, realizing personalized strength adjustment and safe use of the elastic exerciser.

CN224099922UActive Publication Date: 2026-04-10YONGKANG TENGLIN IND & TRADE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing arm exercisers have non-adjustable elasticity, the springs are easily corroded by sweat and moisture, and the lack of auxiliary support structure leads to instability and potential injury.

Method used

The design incorporates detachable force-adjusting linkages and insert rods, with a protective sleeve covering the elastic rod. An auxiliary handle with threaded connection is added to achieve elasticity adjustment and stable grip.

Benefits of technology

It enables personalized intensity adjustment of the elastic device, prevents springs from rusting, reduces the risk of sports injuries, and improves grip stability and training effectiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a U-shaped arm strength device which comprises two handle rings, first inserting rods and an elastic rod, the two handle rings are arranged in a bilateral symmetry mode, each handle ring is in a semi-circular ring shape, each handle ring is provided with two ends, each end is fixedly connected with the corresponding first inserting rod, and the elastic rod is connected between the left first inserting rod and the right first inserting rod in an inserting and clamping mode. A force distribution connecting rod is detachably installed between the two first inserting rods on the same side, the left force distribution connecting rod and the right force distribution connecting rod are connected with an elastic rod in an inserted and clamped mode through a preset second inserting rod, and the second inserting rod is welded to the force distribution connecting rods. Through the design of the detachable force distribution connecting rod and the second inserting rod, a user can increase or decrease the number of the elastic rods according to requirements, the overall elastic strength is flexibly adjusted, and the diversified training requirements from primary training to advanced training are met; the spring in the elastic rod is wrapped by the protective sleeve, so that sweat and moisture are effectively isolated, and rusting and elasticity failure are prevented; through the matching design of the limiting elastic clamping protrusion and the insertion pipe, the spring can be prevented from accidentally falling off, and the sports injury risk is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to arm strength device technical field, concretely is a kind of U-shaped arm strength device. BACKGROUND

[0002] The arm strength device on market is mostly fixed structure design currently, its elastic strength is not adjustable, it is difficult to satisfy the individualized demand of user to strength in different training stages.The spring assembly of traditional arm strength device is usually directly exposed outside, long-term use is easily eroded by sweat and environmental humidity, lead to rust or elastic attenuation, there is security risk.In addition, most arm strength devices lack auxiliary support structure, user is easily caused fatigue even injury in the use process due to unstable holding or uneven force, affect training effect.

[0003] Therefore, we propose a kind of U-shaped arm strength device to facilitate the problems raised in the above. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a kind of U-shaped arm strength device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of U-shaped arm strength device, comprising: handle ring, first plug rod and elastic rod, the handle ring is symmetrically provided with two, handle ring is semicircular ring, each handle ring is equipped with two end, each end is fixedly connected first plug rod, two first plug rods between left and right are inserted card connection elastic rod;

[0006] Two first plug rods between the same side are detachably installed with force distribution connecting rod, two force distribution connecting rods between left and right are inserted card connection elastic rod through the second plug rod of preestablished, and the second plug rod is fixedly connected with force distribution connecting rod.

[0007] Preferably, two first plug rods between the same side are detachably installed with auxiliary handle.

[0008] Preferably, the auxiliary handle is built-in shaft, and the shaft is screwed with nut after penetrating first plug rod.

[0009] Preferably, the force distribution connecting rod is screwed with nut after penetrating first plug rod.

[0010] Preferably, the second plug rod and first plug rod are both provided with limiting elastic clamping convex, and the elastic rod is provided with two insertion tubes at both ends, at least two limiting holes are provided on the insertion tube, and the limiting hole is clamped with limiting elastic clamping convex.

[0011] Preferably, the elastic rod is composed of spring welded between two insertion tubes, and the spring is wrapped with protective sleeve.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、Through the detachable force matching connecting rod and the second plug rod design, the user can increase or decrease the number of elastic rods according to the demand, flexibly adjust the overall elastic strength, and meet the diversified training needs from the primary to the advanced;

[0014] 2、The spring in the elastic rod is wrapped by a protective sleeve, which effectively isolates sweat and moisture, prevents rust and elastic failure, and avoids accidental springing out through the cooperation design of the limiting elastic clamping convex and the plug pipe, thereby reducing the risk of sports injury;

[0015] 3、The auxiliary handle and the threaded connecting nut are additionally arranged, the holding stability and the force supporting property are enhanced, the arm fatigue is reduced, and the detachable connection mode of the plug rod and the force matching connecting rod facilitates assembly and maintenance, and improves the user experience;

[0016] 4、The cooperation of the limiting hole and the elastic clamping convex allows the length of the elastic rod to be adjusted, adapts to different user arm spans and force habits, and further optimizes the training effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a cooperation schematic view of the plug rod and the plug in the utility model;

[0019] Figure 3 It is a disassembly view of the elastic rod in the utility model;

[0020] Figure 4 It is a structural schematic view of four elastic rods of the utility model.

[0021] In the drawing: 1, handle ring; 2, first plug rod; 3, elastic rod; 31, plug pipe; 311, limiting hole; 32, protective sleeve; 33, spring; 4, auxiliary handle; 5, force matching connecting rod; 51, second plug rod; 6, nut; 7, limiting elastic clamping convex. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of U type arm strength device, it include: handle ring 1, first plug rod 2 and elastic stick 3, handle ring 1 is two symmetrically equipped with two, handle ring 1 is semicircular ring, each handle ring 1 is equipped with two end, each end is fixedly connected first plug rod 2, between left and right two first plug rod 2, elastic stick 3 is inserted and connected, constitute U type arm strength device main part, by hand handle ring 1 and by arm force bending elastic stick 3, realize arm strength training.

[0024] Two first plug rods 2 of the same side can be detachably installed auxiliary handle 4, auxiliary handle 4 plays the role of supporting, and plays the role of auxiliary support during the process of holding handle ring 1 and exerting force.

[0025] Auxiliary handle 4 is built-in shaft, shaft penetrates first plug rod 2 and is then connected with nut 6 by screw thread, so that first plug rod 2 and auxiliary handle 4 can be detachably installed.

[0026] Two first plug rods 2 of the same side can be detachably installed force distribution connecting rod 5, and left and right two force distribution connecting rods 5 are inserted and connected with elastic stick 3 through preset second plug rod 51, second plug rod 51 is fixedly connected with force distribution connecting rod 5, and second plug rod 51 is preset to 1-2 rods according to needs, that is, 1-2 elastic sticks 3 can be added according to needs, a total of 2-4 elastic sticks 3 can be set, the strength of the whole arm strength device is adjusted, and the needs of different strength training are met.

[0027] Force distribution connecting rod 5 penetrates first plug rod 2 and is then connected with nut 6 by screw thread, so that force distribution connecting rod 5 and first plug rod 2 can be detachably installed.

[0028] Second plug rod 51 and first plug rod 2 are both provided with limiting elastic clamping convex 7, both ends of elastic stick 3 are provided with insertion pipe 31, at least two limiting holes 311 are formed in insertion pipe 31, limiting holes 311 are clamped with limiting elastic clamping convex 7, the relative position of insertion pipe 31 and elastic stick 3 is adjusted and limited, so that the length of the whole arm strength device can be adjusted, and the individual needs are met.

[0029] Elastic stick 3 is composed of spring 33 welded between two insertion pipes 31, and protective sleeve 32 is wrapped on spring 33, which plays a protective role, prevents spring 33 from rusting due to sweat, and also plays a buffering role, reduces the harm caused by instantaneous rebound of spring 33 when an accident occurs.

[0030] Working principle: by adding force distribution connecting rod 5 between first plug rod 2, and force distribution connecting rod 5 and first plug rod 2 are detachably connected, it is convenient to configure several elastic sticks 3, it is convenient for user to adjust the strength of arm strength device according to the needs of oneself, and the individual needs are met.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A U-shaped arm curling device, comprising: Handle ring (1), first plug rod (2) and elastic bar (3), the handle ring (1) is symmetrical with two, handle ring (1) is semicircular ring, each handle ring (1) is equipped with two end, each end fixedly connected with first plug rod (2), the left and right two first plug rod (2) are connected with elastic bar (3) through card. Its characterized in that: the two first plug rod (2) between the same side can be detachably installed with force connecting rod (5), and the left and right two force connecting rods (5) are connected with elastic bar (3) through the second plug rod (51) of pre-set card, and the second plug rod (51) is fixedly connected with force connecting rod (5).

2. A U-shaped arm exerciser according to claim 1, wherein The two first plug rod (2) between the same side can be detachably installed with auxiliary handle (4).

3. A U-shaped arm exerciser according to claim 2, wherein The auxiliary handle (4) is internally provided with a shaft, which is screwed with a nut (6) after penetrating the first plug rod (2).

4. A U-shaped arm exerciser according to claim 1, wherein The force connecting rod (5) is screwed with a nut (6) after penetrating the first plug rod (2).

5. A U-shaped arm exerciser according to claim 1, wherein The second plug rod (51) and the first plug rod (2) are both provided with a limiting elastic clamping convex (7), the elastic bar (3) is provided with a plug tube (31) at both ends, at least two limiting holes (311) are formed in the plug tube (31), and the limiting holes (311) are clamped with the limiting elastic clamping convex (7).

6. A U-shaped arm exerciser according to claim 5, wherein The elastic bar (3) is composed of a spring (33) welded between two plug tubes (31), and a protective sleeve (32) is wrapped on the spring (33).