CN216993767U

CN216993767U - Acid and alkali resistant PU steel core welding wheel

Info

Publication number: CN216993767U
Application number: CN202123409844.6U
Authority: CN
Inventors: 黄秀华
Original assignee: Guangzhou Xianghua Hardware Co ltd
Current assignee: Guangzhou Xianghua Hardware Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-19
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an acid and alkali resistant PU steel core welded wheel which comprises a wheel body, wherein the wheel body comprises a PU rubber coating layer, a steel core rotating wheel and a bearing, the bearing is installed on the inner side wall of the steel core rotating wheel, the PU rubber coating layer is coated on the outer side wall of the steel core rotating wheel, a rotating shaft is installed in the bearing, an L-shaped connecting plate is installed on the end wall of the rotating shaft, the rotating shaft and the L-shaped connecting plate are fixedly connected through a fastening bolt, a through hole is formed in the top of the L-shaped connecting plate, and a damping rubber ring is installed on the hole wall of the through hole. The utility model solves the problems that the existing acid and alkali resistant PU steel core welded wheel is easy to damage and has short service life when being jolted during long-term use; the utility model effectively improves the stability of the utility model when rolling on the uneven ground, also avoids the damage of the utility model after being jolted for a long time, prolongs the service life and has strong practicability.

Description

Acid and alkali resistant PU steel core welding wheel

Technical Field

The utility model relates to the technical field of rollers, in particular to an acid and alkali resistant PU steel core welded wheel.

Background

The PU wheel is also called PU perfusion wheel: PU is strictly one of plastics, and only additives are added in the production process, so that the performance is more excellent, and the production cost is increased; PU pours into characteristics of wheel: the elastic shock absorption wheel has certain shock absorption effect (even better than a pneumatic wheel), good ground gripping force, less possibility of slipping, better wear resistance and good comfort performance.

However, when the existing acid and alkali resistant PU steel core welded wheel is used, the wheel jolts for a long time, the wheel is subjected to certain impact force during jolting, the wheel is easy to damage after being impacted for a long time, and the service life is shortened; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an acid and alkali resistant PU steel core welded wheel to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an acid and alkali resistant PU steel core welding wheel comprises a wheel body, wherein the wheel body comprises a PU rubber coating layer, a steel core wheel and a bearing, the bearing is arranged on the inner side wall of the steel core wheel, the outer side wall of the steel core wheel is coated with the PU rubber coating layer, a rotating shaft is arranged in the bearing, an L-shaped connecting plate is arranged on the end wall of the rotating shaft, the rotating shaft is fixedly connected with the L-shaped connecting plate through a fastening bolt, a through hole is arranged at the top of the L-shaped connecting plate, a damping rubber ring is arranged on the hole wall of the through hole, a limiting column is arranged on the inner side of the damping rubber ring, the top end of the limiting column is arranged on the lower surface of a fixing plate, the bottom end of the limiting column penetrates through the through hole to be connected with a limiting plate, springs are arranged between the lower surface of the fixing plate and the top of the L-shaped connecting plate and between the bottom of the L-shaped connecting plate and the limiting plate, and the spring sleeve is arranged on the outer side of the outer wall of the limiting column.

Preferably, a third threaded hole is formed in the center of the end wall of the rotating shaft.

Preferably, a second threaded hole is formed in the lower portion of the outer wall of the L-shaped connecting plate.

Preferably, both sides of the surface of the fixing plate are provided with fixing holes.

Preferably, the outer wall of the bottom end of the limiting column is provided with an external thread, the surface center of the limiting plate is provided with a first threaded hole, and the external thread on the outer wall of the limiting column is in threaded engagement with the internal thread on the hole wall of the first threaded hole.

Compared with the prior art, the utility model has the beneficial effects that: through the matching arrangement of a series of structures, when the wheel disclosed by the utility model runs on uneven ground, the roller body on the wheel disclosed by the utility model can be impacted to a certain extent, and at the moment, the spring disclosed by the utility model can play a role in buffering and damping, so that the impact force borne by the roller body is reduced, and the problems that the existing acid and alkali resistant PU steel core welded wheel is easy to damage and low in service life due to jolt during long-time use are solved; the utility model effectively improves the stability of the utility model when rolling on the uneven ground, also avoids the damage of the utility model after being jolted for a long time, prolongs the service life and has strong practicability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a side view of the roller body of the present invention.

In the figure: 1. a fixing hole; 2. a spring; 3. a limiting column; 4. an L-shaped connecting plate; 5. a roller body; 51. A PU adhesive coating layer; 52. a steel core runner; 53. a bearing; 6. a fixing plate; 7. a through hole; 8. a damping rubber ring; 9. a limiting plate; 10. a first threaded hole; 11. a second threaded hole; 12. a third threaded hole; 13. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1-3, an embodiment of the present invention is shown: an acid and alkali resistant PU steel core welding wheel comprises a wheel body 5, the wheel body 5 comprises a PU rubber coating layer 51, a steel core wheel 52 and a bearing 53, the bearing 53 is arranged on the inner side wall of the steel core wheel 52, the outer side wall of the steel core wheel 52 is coated with the PU rubber coating layer 51, a rotating shaft 13 is arranged in the bearing 53, an L-shaped connecting plate 4 is arranged on the end wall of the rotating shaft 13, the rotating shaft 13 is fixedly connected with the L-shaped connecting plate 4 through a fastening bolt, the top of the L-shaped connecting plate 4 is provided with a through hole 7, a damping rubber ring 8 is arranged on the hole wall of the through hole 7, a limiting column 3 is arranged on the inner side of the damping rubber ring 8, the top end of the limiting column 3 is arranged on the lower surface of a fixing plate 6, the bottom end of the limiting column 3 penetrates through the through hole 7 to be connected with a limiting plate 9, springs 2 are arranged between the lower surface of the fixing plate 6 and the top of the L-shaped connecting plate 4 and between the bottom of the L-shaped connecting plate 4 and the limiting plate 9, and the 2 covers of spring establish in the outer wall outside of spacing post 3, and the end wall central point of pivot 13 puts and has seted up third screw hole 12, and second screw hole 11 has been seted up to the outer wall below of L type connecting plate 4, and fixed orifices 1 has all been seted up to the surperficial both sides of fixed plate 6, is provided with the external screw thread on the bottom outer wall of spacing post 3, and the surperficial central point of limiting plate 9 puts and has seted up first screw hole 10, is connected for thread engagement between the internal thread on the external screw thread on the outer wall of spacing post 3 and the first screw hole 10 pore wall.

The working principle is as follows: when the anti-collision wheel disclosed by the utility model runs on uneven ground, the roller body 5 on the anti-collision wheel disclosed by the utility model can be impacted to a certain extent, at the moment, the spring 2 on the anti-collision wheel disclosed by the utility model can play a role in buffering and damping, and the impact force borne by the roller body 5 is reduced, so that the problems that the existing acid and alkali resistant PU steel core welded wheel is easy to damage and has a short service life due to bumping in a long time when being used are solved; the utility model effectively improves the stability of the utility model when rolling on the uneven ground, also avoids the damage of the utility model after being jolted for a long time, prolongs the service life and has strong practicability.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an acid and alkali-resistant PU steel core welding wheel, includes gyro wheel body (5), its characterized in that: the roller body (5) comprises a PU rubber coating layer (51), a steel core rotating wheel (52) and a bearing (53), the bearing (53) is installed on the inner side wall of the steel core rotating wheel (52), the outer side wall of the steel core rotating wheel (52) is coated with the PU rubber coating layer (51), a rotating shaft (13) is installed in the bearing (53), an L-shaped connecting plate (4) is installed on the end wall of the rotating shaft (13), the rotating shaft (13) is fixedly connected with the L-shaped connecting plate (4) through a fastening bolt, a through hole (7) is formed in the top of the L-shaped connecting plate (4), a damping rubber ring (8) is installed on the hole wall of the through hole (7), a limiting column (3) is arranged on the inner side of the damping rubber ring (8), the top end of the limiting column (3) is installed on the lower surface of a fixing plate (6), the bottom end of the limiting column (3) penetrates through the through hole (7) and is connected with a limiting plate (9), springs (2) are arranged between the lower surface of the fixing plate (6) and the top of the L-shaped connecting plate (4) and between the bottom of the L-shaped connecting plate (4) and the limiting plate (9), and the springs (2) are sleeved on the outer wall of the limiting column (3).

2. The acid and alkali resistant PU steel core welded wheel of claim 1, wherein: and a third threaded hole (12) is formed in the center of the end wall of the rotating shaft (13).

3. The acid and alkali resistant PU steel core welded wheel of claim 1, wherein: and a second threaded hole (11) is formed below the outer wall of the L-shaped connecting plate (4).

4. The acid and alkali resistant PU steel core welded wheel of claim 1, wherein: and both sides of the surface of the fixing plate (6) are provided with fixing holes (1).

5. The acid and alkali resistant PU steel core welded wheel of claim 1, wherein: the limiting device is characterized in that external threads are arranged on the outer wall of the bottom end of the limiting column (3), a first threaded hole (10) is formed in the surface center position of the limiting plate (9), and the external threads on the outer wall of the limiting column (3) are in threaded engagement with the internal threads on the hole wall of the first threaded hole (10).