CN219941685U

CN219941685U - Rotating body-building barbell bar

Info

Publication number: CN219941685U
Application number: CN202321111910.8U
Authority: CN
Inventors: 李强
Original assignee: Shandong Yingli Fitness Equipment Co ltd
Current assignee: Shandong Yingli Fitness Equipment Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-11-03
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses a rotary body-building barbell bar, which comprises a bar body assembly, a bushing assembly and sleeves symmetrically sleeved at two ends of the bar body assembly; the rod body assembly comprises a rod body and a bearing reinforcing shaft sleeved in the rod body, and the lining assembly comprises a first bearing assembly, a second bearing assembly, a third bearing assembly and a plug assembly; the middle part of the bearing reinforcing shaft is rotationally connected with the rod body through a first bearing assembly, and two ends of the bearing reinforcing shaft are rotationally connected with the sleeve through a second bearing assembly and a third bearing assembly; both ends of the bearing reinforcing shaft are provided with reinforcing ribs. According to the utility model, the first bearing component is matched with the bearing reinforcing shaft, so that the independent rotation of the middle grip part can be realized under the condition of ensuring the integral bearing capacity and the excellent strength of the rod body, the rotation is smooth, and the experience is good.

Description

Rotating body-building barbell bar

Technical Field

The utility model relates to a rotary body-building barbell bar, and belongs to the technical field of body-building equipment.

Background

The traditional body-building barbell bar mostly adopts fixed design, however, the design is easy to cause the damage of wrist and other parts due to improper operation in the use process of people. In recent years, with popularization of exercise and increasing demand of people for diversified and efficient exercise modes, a rotary barbell bar is attracting attention as a new exercise apparatus.

The existing rotary barbell bar has some problems, for example, most of the rotary bars rotate between the whole bar and the sleeve, the middle grip part is a part of the whole bar and cannot rotate independently, and the rotating effect is poor; meanwhile, the inventor researches and discovers that if an independent shell is used for realizing the rotation of the middle part, the whole bearing capacity of the rod body is greatly reduced, the bearing capacity and the strength of the rod body are limited, if the barbell rod is improved, the cost is increased, and if other parts are added for improving the strength, the rotation effect is influenced to a certain extent; in addition, most of the rotary barbell bars are easy to wear and noise after long-term use, and the barbell bars need to be disassembled for maintenance, so that the operation steps are troublesome.

Chinese patent CN 208193484U-a sleeve speed-adjustable weight lifting barbell bar, in which a sleeve speed-adjustable structure is designed, but still the rotation between the whole bar and the sleeve is adjusted, in addition, the bearing capacity and the rotation effect are limited and are difficult to balance, and the later maintenance is complicated.

Disclosure of Invention

In order to solve the problems, the utility model provides a rotary body-building barbell bar, which is characterized in that a bearing reinforcing shaft is independently arranged, so that the whole bearing capacity of a bar body is improved, the strength and stability of two ends of the barbell bar can be further improved by matching with reinforcing ribs at two ends, meanwhile, the bar body, namely a middle grip part, can be independently rotated by matching with a first bearing assembly, the rotary effect is smooth, and on one hand, a sleeve can be stably rotated by matching with bearing assemblies at other positions, so that the rotary body is smooth in rotation, and on the other hand, the bearing capacity and safety of each part of the bar body are also improved.

According to one aspect of the utility model, there is provided a rotary exercise barbell bar comprising a bar body assembly, a bushing assembly and sleeves symmetrically sleeved at two ends of the bar body assembly; the rod body assembly comprises a rod body and a bearing reinforcing shaft sleeved in the rod body, and the bushing assembly comprises a first bearing assembly, a second bearing assembly, a third bearing assembly and a plug assembly;

the middle part of the bearing reinforcing shaft is rotationally connected with the rod body through the first bearing assembly, and two ends of the bearing reinforcing shaft are rotationally connected with the sleeve through the second bearing assembly and the third bearing assembly; reinforcing ribs are arranged at two ends of the bearing reinforcing shaft.

Optionally, the sleeve includes a fixed head and an extension section, the fixed head is rotatably connected with the bearing reinforcing shaft through the second bearing assembly, and the extension section is rotatably connected with the bearing reinforcing shaft through the third bearing assembly.

Optionally, the two ends of the bearing reinforcing shaft are screw heads, and the reinforcing ribs are arranged on the inner sides of the screw heads.

Optionally, the first bearing assembly comprises a first gasket, a first ball bearing and a thrust ball bearing, and the first bearing assembly is sleeved on the bearing reinforcing shaft from inside to outside in sequence.

Optionally, the second bearing assembly comprises a damping copper sleeve, a second ball bearing and a second gasket, and the second bearing assembly is sleeved on the bearing reinforcing shaft from inside to outside in sequence.

Optionally, the third bearing assembly comprises a needle bearing, a first clamp spring and a nut, wherein the needle bearing and the first clamp spring are sequentially sleeved on the bearing reinforcing shaft from inside to outside, and the nut is screwed and fixed with the threaded head.

Optionally, the plug assembly comprises a second clamp spring, a plug and a third clamp spring, and the plug assembly is sequentially arranged at the end part of the extension section from inside to outside.

Optionally, the surface of the rod body is provided with a plurality of knurled areas.

Optionally, a plurality of lubrication holes are formed in the side wall of the fixing head.

The beneficial effects that can be produced by the present utility model include, but are not limited to:

1. according to the rotary body-building barbell bar provided by the utility model, firstly, the bearing reinforcing shafts are independently arranged, so that the whole bearing capacity of the bar body is improved, the strength and stability of the two ends of the barbell bar can be further improved by matching with the reinforcing ribs at the two ends, meanwhile, the bar body, namely the middle grip part, can be independently rotated by matching with the first bearing assembly, the rotating effect is smooth, and the sleeve can be stably rotated by matching with the bearing assemblies at other positions, so that the rotation is smooth, and the bearing capacity and safety of each part of the bar body are improved.

2. According to the rotary body-building barbell bar, the multi-layer bearing assemblies are arranged at different connecting positions, so that friction and abrasion during rotation can be effectively reduced, and the service life of the barbell bar is prolonged;

3. according to the rotary body-building barbell bar provided by the utility model, the ball bearing and the thrust ball bearing are arranged at the joint of the bar body and the bearing reinforcing shaft, so that the middle grip part can be independently rotated, a more free movement range is provided, more muscle groups are activated, the stability of joints is increased, the pressure of the joints is reduced, the risk of joint injury is reduced, more real functional training is provided, and good rotation capacity can be improved under the condition of ensuring excellent bearing capacity; the damping copper sleeve and the ball bearing are arranged in the sleeve fixing head, so that the wear resistance and the damping performance are improved, and the rotation is smooth; the needle bearing and the nut are arranged on the extending section of the sleeve to fix, so that the rotating stability and the using comfort are further improved.

4. According to the rotary body-building barbell bar, the plug assembly is arranged, so that the barbell bar can be prevented from loosening or falling off in the use process, and the stability and the safety of the barbell bar are improved.

5. According to the rotary body-building barbell bar provided by the utility model, the knurling area is arranged, so that the holding force of the hand can be increased, and the comfort and stability in use are improved; by arranging the lubrication holes, lubrication and maintenance can be conveniently performed without disassembly, friction and abrasion are reduced, and the service life of the barbell bar is prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a schematic perspective view of a rotary body-building barbell bar according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of an assembled structure of a rotary body-building barbell bar according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a split structure of a rotary body-building barbell bar according to an embodiment of the present utility model;

list of parts and reference numerals:

1. a rod body; 2. a bearing reinforcing shaft; 3. reinforcing the convex ribs; 4. a sleeve; 5. a fixed head; 6. an extension section; 7. a thread head; 8. a first gasket; 9. a first ball bearing; 10. a thrust ball bearing; 11. damping copper sleeve; 12. a second ball bearing; 13. a second gasket; 14. needle roller bearings; 15. a first clamp spring; 16. a screw cap; 17. a second clamp spring; 18. a plug; 19. a third clamp spring; 20. a knurling area; 21. lubrication holes.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1-3, an embodiment of the present utility model discloses a rotary body-building barbell bar, which comprises a bar body assembly, a bushing assembly and sleeves 4 symmetrically sleeved at two ends of the bar body assembly; the rod body assembly comprises a rod body 1 and a bearing reinforcing shaft 2 sleeved in the rod body 1, and the bushing assembly comprises a first bearing assembly, a second bearing assembly, a third bearing assembly and a plug 18 assembly; the middle part of the bearing reinforcing shaft 2 is rotationally connected with the rod body 1 through a first bearing assembly, and two ends of the bearing reinforcing shaft 2 are rotationally connected with the sleeve 4 through a second bearing assembly and a third bearing assembly; both ends of the bearing reinforcing shaft 2 are provided with reinforcing ribs 3.

According to the utility model, the first bearing component is matched with the bearing reinforcing shaft 2, so that independent rotation of the middle grip part can be realized under the condition that the integral bearing capacity and strength of the rod body are ensured, the rotation is smooth, and the experience is good; the strength and the stability at two ends of the barbell bar can be further improved by matching the reinforcing ribs 3 at two ends, meanwhile, the independent rotation of the middle handle, the sleeve 4 and the bearing reinforcing shaft 2 is realized by arranging other bearing assemblies at different positions, on one hand, the sleeve 4 at two ends can stably rotate, the rotation is smooth, and on the other hand, the bearing capacity and the safety of each part of the bar body are also improved.

Specifically, the body 1 of the rod is of a hollow cylindrical rod-shaped structure, the bearing reinforcing shaft 2 is a solid ball shaft body, and the materials are steel.

As an embodiment, the first bearing assembly comprises a first gasket 8, a first ball bearing 9 and a thrust ball bearing 10, which are sleeved on the load-bearing reinforced shaft 2 in sequence from inside to outside.

Specifically, the first bearing assembly is arranged between the bearing reinforcing shaft 2 and the rod body 1, and is close to the sleeve 4, so that the rod body 1 (namely the middle grip part) can independently rotate, a more free movement range is provided, more muscle groups are activated, joint stability is increased, joint pressure is reduced, joint injury risk is reduced, and more real functional training is provided.

As an embodiment, the sleeve 4 comprises a fixed head 5 and an extension piece 6, the fixed head 5 being rotatably connected to the load-bearing reinforcing shaft 2 by means of a second bearing assembly, and the extension piece 6 being rotatably connected to the load-bearing reinforcing shaft 2 by means of a third bearing assembly.

As an embodiment, the two ends of the bearing reinforcing shaft 2 are screw heads 7, and the reinforcing ribs 3 are arranged on the inner sides of the screw heads 7.

As an embodiment, the second bearing assembly comprises a damping copper sleeve 11, a second ball bearing 12 and a second gasket 13, which are sleeved on the bearing reinforcing shaft 2 in sequence from inside to outside.

Specifically, the second bearing assembly is disposed in the fixed head 5, and the shock-absorbing copper bush 11 plays a role in buffering and shock absorption. During the use of the barbell bar, friction and abrasion may occur between the load-bearing reinforcing shaft 2 and the bearing due to high frequency oscillation and gravity pressure of the weight lifting motion. The damping copper sleeve 11 can reduce friction and abrasion, prolong the service life of the bearing, improve the durability of the barbell bar, and meanwhile, the combined design of the damping copper sleeve 11, the second ball bearing 12 and the second gasket 13 can share the bearing pressure of the barbell bar, reduce the stress of the bearing reinforcing shaft 2, thereby improving the bearing capacity and the use safety of the barbell bar.

As an implementation manner, the third bearing assembly comprises a needle bearing 14, a first clamping spring 15 and a nut 16, wherein the needle bearing 14 and the first clamping spring 15 are sequentially sleeved on the bearing reinforcing shaft 2 from inside to outside, and the nut 16 is screwed and fixed with the thread head 7.

The needle bearing 14, which is a core component of the third bearing assembly, has small balls and raceways, and can provide a smooth motion trajectory and motion feeling during rotation of the barbell bar. Compared with the traditional ball bearings, the needle bearing 14 has higher bearing capacity and better wear resistance when bearing high load, and can effectively reduce friction and resistance of the barbell bar in the weightlifting process, so that movement is smoother; the first clamping spring 15 is used as a fixing device, so that the needle bearing 14 can be effectively fixed, and the shaking and the deviation of the barbell bar in the weight lifting process are reduced, thereby improving the stability of the barbell bar and ensuring that a user is safer and more comfortable in the weight lifting process.

As an embodiment, the plug 18 assembly includes a second clamp spring 17, a plug 18 and a third clamp spring 19, which are sequentially disposed at the end of the extension section 6 from inside to outside. Through the combination setting of second jump ring 17, end cap 18 and third jump ring 19, can provide the tip firm support of barbell pole, prevent that the barbell pole from appearing rocking, skew or warp in the use to guarantee the safety and the stability of user in the weightlifting process, can also effectively prevent the run-off of the extension section 6 tip of barbell pole, avoid appearing unstable condition in the use, ensure that the barbell pole can rotate and move on the orbit and the angle that the user expects, thereby provide more comfortable and stable weightlifting experience.

As an embodiment, the surface of the shank body 1 is provided with several knurled areas 20. The specific placement of the knurled area 20 can be selected by those skilled in the art as desired. By providing the knurled area 20, the grip of the hand can be increased, improving comfort and stability during use.

As an embodiment, the side wall of the fixed head 5 is provided with a plurality of lubrication holes 21. By providing the lubrication holes 21, lubrication and maintenance can be conveniently performed without disassembly, friction and abrasion are reduced, and the service life of the barbell bar is prolonged.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims

1. The rotary body-building barbell bar is characterized by comprising a bar body assembly, a bushing assembly and sleeves symmetrically sleeved at two ends of the bar body assembly; the rod body assembly comprises a rod body and a bearing reinforcing shaft sleeved in the rod body, and the bushing assembly comprises a first bearing assembly, a second bearing assembly, a third bearing assembly and a plug assembly;

2. The rotary exercise barbell bar as claimed in claim 1, wherein the sleeve comprises a fixed head rotatably connected to the load-bearing reinforcing shaft through the second bearing assembly and an extension section rotatably connected to the load-bearing reinforcing shaft through the third bearing assembly.

3. The rotary exercise barbell bar according to claim 2, wherein the two ends of the bearing reinforcing shaft are screw heads, and the reinforcing ribs are arranged on the inner sides of the screw heads.

4. The rotary exercise barbell bar of claim 1, wherein the first bearing assembly comprises a first spacer, a first ball bearing and a thrust ball bearing sequentially sleeved on the load-bearing reinforcing shaft from inside to outside.

5. The rotary exercise barbell bar as claimed in claim 1, wherein the second bearing assembly comprises a shock absorbing copper sleeve, a second ball bearing and a second spacer, which are sequentially sleeved on the bearing reinforcing shaft from inside to outside.

6. The rotary exercise barbell bar according to claim 3, wherein the third bearing assembly comprises a needle bearing, a first snap spring and a nut, the needle bearing and the first snap spring are sequentially sleeved on the bearing reinforcing shaft from inside to outside, and the nut is screwed and fixed with the threaded head.

7. The rotary exercise barbell bar according to claim 2, wherein the plug assembly comprises a second clamp spring, a plug and a third clamp spring, which are sequentially arranged at the end of the extension section from inside to outside.

8. The rotary exercise barbell bar as claimed in claim 1, wherein the surface of the bar body is provided with a plurality of knurled areas.

9. The rotary exercise barbell bar as claimed in claim 2, wherein the side wall of the stationary head is provided with a plurality of lubrication holes.