CN216545552U

CN216545552U - Plastic wheel of leak protection oil

Info

Publication number: CN216545552U
Application number: CN202220161244.8U
Authority: CN
Inventors: 房建校; 李艳艳
Original assignee: Qingdao Hengxiangfa Special Vehicle Co ltd
Current assignee: Qingdao Hengxiangfa Special Vehicle Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-05-17
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to a plastic wheel, in particular to an oil leakage-proof plastic wheel, which comprises a plastic wheel body, wherein an inner ring fixing ring is fixedly connected to the surface of an inner ring of the plastic wheel body, an outer ring is fixedly connected to the inner ring wall of the inner ring fixing ring, an inner ring is arranged on the inner side of the outer ring, limiting rings are fixedly connected to two sides of the outer ring wall of the inner ring, an oil filling hole is formed in one side surface of each limiting ring, an oil plug is arranged in each oil filling hole, a ball groove is formed between the inner ring and the outer ring, balls are arranged in each ball groove, second screw holes are fixedly formed in the end surfaces of two sides of the inner ring at equal distances, dust covers are fixedly connected to two sides of the inner ring, first screw holes are formed in the surfaces of the dust covers at equal intervals, a sealing ring is fixedly connected to one side surface of each dust cover, and the abrasion between a wheel shaft and the plastic wheel body can be prevented to the greatest extent through the arranged balls, oil leakage cavities and the sealing rings, and effectively prevents the leakage of the lubricating oil.

Description

Plastic wheel of leak protection oil

Technical Field

The utility model relates to a plastic wheel, in particular to an oil leakage prevention plastic wheel.

Background

Plastic wheels are circular elastic plastic wheel products which are assembled on various vehicles or machines and roll in a grounding mode, are usually installed on metal wheel rims, and have the functions of supporting a vehicle body, buffering external impact fit, reducing vibration, reducing temperature and the like. Present plastic wheel and shaft are directly assembled and are used, and long-time the use can lead to wearing and tearing seriously between shaft and the plastic wheel, can use the ball to reduce wearing and tearing, and it is smooth and easy to guarantee to rotate to need lubricate through lubricating oil when ball reuses, and lubricating oil takes place to leak very easily, and the axle junction piles up the dust easily.

Therefore, there is a need for an oil-leakage-proof plastic wheel that improves upon the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an oil leakage prevention plastic wheel to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a leak protection oil's plastic wheel, includes the plastic wheel body, the fixed ring of inner circle of plastic wheel body inner circle fixed surface is connected with, fixedly connected with outer loop on the fixed ring inner ring rampart of inner circle, the outer loop inboard is equipped with the inner ring, the equal fixedly connected with spacing ring in inner ring outer rampart both sides, the tank filler sleeve has been seted up to spacing ring one side surface, the inside oil plug that is equipped with of tank filler sleeve, be equipped with the ball groove between inner ring and the outer loop, ball inslot portion is equipped with the ball, the impartial distance of inner ring both sides terminal surface is fixed and is seted up the second screw, the equal fixedly connected with shield in inner ring both sides, first screw has been seted up to shield surface equidistance, shield one side fixed surface is connected with the sealing washer, it is equipped with the oil leak chamber to state between shield and the spacing ring, the inner ring inboard is equipped with the shaft.

As a preferable scheme of the utility model, limit grooves are equidistantly formed in the inner annular wall of the inner ring, and limit blocks are fixedly connected to the surface of the wheel shaft at equal intervals.

As the preferable scheme of the utility model, the limiting block is arranged corresponding to the limiting groove.

As a preferable scheme of the present invention, the second screw holes on the end surfaces of the two sides of the inner ring are arranged corresponding to the first screw holes formed on the dust cap, and the inner ring is fixedly connected with the dust cap through the fixing bolt.

As a preferable aspect of the present invention, the fixing bolt is respectively screwed with the second screw hole and the first screw hole.

As a preferable scheme of the utility model, two limiting rings are arranged, and the outer ring is arranged between the two limiting rings.

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

1. according to the utility model, the oil plug can be taken out before installation through the arranged ball, the oil leakage cavity and the sealing ring, then lubricating oil is injected into the ball groove through the oil filling hole, then the oil plug is plugged back to the oil filling hole, the rotation of the plastic wheel body is realized through the ball, and through the oil leakage cavity arranged between the dustproof cover and the limiting ring, when the ball groove leaks oil, the lubricating oil can directly enter the oil leakage cavity for collection, and then the leakage of the lubricating oil is further prevented through the arranged sealing ring, so that the abrasion between the wheel shaft and the plastic wheel body can be prevented to the greatest extent, and meanwhile, the lubricating oil leakage is effectively prevented.

2. According to the utility model, through the arranged dustproof cover, the limiting block on the surface of the wheel shaft corresponds to the limiting groove on the inner ring of the plastic wheel body, the wheel shaft is inserted into the inner ring, the dustproof cover is installed at two ends of the inner ring, the first screw hole on the surface of the dustproof cover and the second screw hole on the inner ring are screwed into the first screw hole and the second screw hole, the fixation of the dustproof cover is further completed, meanwhile, the fixation of the plastic wheel body and the wheel shaft is completed, and the connection part of the wheel shaft and the plastic wheel body can be effectively dustproof.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of the structure A of the present invention;

fig. 4 is a schematic front sectional view of the present invention.

In the figure: 1. a plastic wheel body; 2. an inner ring fixing ring; 3. a wheel axle; 4. a dust cover; 5. a seal ring; 6. an inner ring; 7. a ball bearing; 8. an outer ring; 9. a first screw hole; 10. an oil plug; 11. an oil filling hole; 12. A ball groove; 13. a limiting block; 14. a limiting groove; 15. a second screw hole; 16. fixing the bolt; 17. an oil leakage cavity; 18. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

embodiment 1, please refer to fig. 1, 2, 3 and 4, a leak-proof plastic wheel comprises a plastic wheel body 1, an inner ring fixing ring 2 is fixedly connected to the surface of an inner ring of the plastic wheel body 1, an outer ring 8 is fixedly connected to the inner ring wall of the inner ring fixing ring 2, an inner ring 6 is disposed inside the outer ring 8, two side of the outer ring wall of the inner ring 6 are fixedly connected to a limiting ring 18, an oil filling hole 11 is formed on one side surface of the limiting ring 18, an oil plug 10 is disposed inside the oil filling hole 11, a ball groove 12 is disposed between the inner ring 6 and the outer ring 8, balls 7 are disposed inside the ball groove 12, second screw holes 15 are fixedly disposed at equal distances on the end surfaces of two sides of the inner ring 6, two sides of the inner ring 6 are fixedly connected to a dust cap 4, first screw holes 9 are equidistantly formed on the surface of the dust cap 4, a sealing ring 5 is fixedly connected to one side surface of the dust cap 4, an oil leak-proof cavity 17 is disposed between the dust cap 4 and the limiting ring 18, the inner side of the inner ring 6 is provided with a wheel shaft 3; can get out before the installation earlier oil stopper 10, rethread tank filler sleeve 11 injects lubricating oil into ball groove 12, stopples oil stopper 10 back into tank filler sleeve 11 again, realizes the rotation of plastic wheel body 1 through ball 7, through the oil leak chamber 17 that sets up between shield 4 and the spacing ring 18, when the oil leak takes place for ball groove 12, lubricating oil can directly get into and leak in the oil chamber 17 and collect, and the sealing washer 5 of rethread setting further prevents that lubricating oil from leaking outward.

Embodiment 2, please refer to fig. 1, 2, 3 and 4, an oil leakage preventing plastic wheel comprises a plastic wheel body 1, an inner ring fixing ring 2 is fixedly connected to the surface of an inner ring of the plastic wheel body 1, an outer ring 8 is fixedly connected to the inner ring wall of the inner ring fixing ring 2, an inner ring 6 is disposed inside the outer ring 8, two side of the outer ring wall of the inner ring 6 are fixedly connected to a limiting ring 18, an oil filling hole 11 is formed on one side surface of the limiting ring 18, an oil plug 10 is disposed inside the oil filling hole 11, a ball groove 12 is disposed between the inner ring 6 and the outer ring 8, balls 7 are disposed inside the ball groove 12, second screw holes 15 are fixedly disposed at equal distances on the end surfaces of two sides of the inner ring 6, two sides of the inner ring 6 are fixedly connected to a dust cap 4, first screw holes 9 are equidistantly formed on the surface of the dust cap 4, a sealing ring 5 is fixedly connected to one side surface of the dust cap 4, an oil leakage preventing cavity 17 is disposed between the dust cap 4 and the limiting ring 18, the inner side of the inner ring 6 is provided with a wheel shaft 3; limiting grooves 14 are formed in the inner annular wall of the inner ring 6 at equal intervals, and limiting blocks 13 are fixedly connected to the surface of the wheel shaft 3 at equal intervals; the limiting block 13 is arranged corresponding to the limiting groove 14; the limiting block 13 on the surface of the wheel shaft 3 corresponds to the limiting groove 14 on the inner ring 6 of the plastic wheel body 1, the wheel shaft 3 is inserted into the inner ring 6, the dustproof cover 4 is installed at two ends of the inner ring 6, the first screw hole 9 on the surface of the dustproof cover 4 and the second screw hole 15 on the inner ring 6 are screwed into the first screw hole 9 and the second screw hole 15, the dustproof cover 4 is further fixed, and meanwhile the plastic wheel body 1 and the wheel shaft 3 are fixed.

In embodiment 3, referring to fig. 1, 2, 3, and 4, the second screw holes 15 on the end surfaces of the inner ring 6 at both sides are disposed corresponding to the first screw holes 9 formed on the dust cover 4, and the inner ring 6 is fixedly connected to the dust cover 4 by the fixing bolts 16; the fixing bolt 16 is respectively in threaded connection with the second screw hole 15 and the first screw hole 9; the stop collars 18 are provided in two, and the outer ring 8 is provided between the two stop collars 18.

The working principle is as follows: when in use, the limiting block 13 on the surface of the wheel shaft 3 corresponds to the limiting groove 14 on the inner ring 6 of the plastic wheel body 1, the wheel shaft 3 is inserted into the inner ring 6, the dustproof cover 4 is arranged at two ends of the inner ring 6, the first screw hole 9 on the surface of the dustproof cover 4 and the second screw hole 15 on the inner ring 6 are screwed into the first screw hole 9 and the second screw hole 15, the fixation of the dustproof cover 4 is further completed, meanwhile, the fixation of the plastic wheel body 1 and the wheel shaft 3 is completed, before the installation, the oil plug 10 is taken out firstly, then the lubricating oil is injected into the ball groove 12 through the oil filling hole 11, then the oil plug 10 is plugged back to the oil filling hole 11, the rotation of the plastic wheel body 1 is realized through the ball 7, and through the oil leakage cavity 17 arranged between the dustproof cover 4 and the limiting ring 18, when oil leaks from the ball groove 12, the lubricating oil can directly enter the oil leakage cavity 17 to be collected, and the lubricating oil is further prevented from leaking outwards through the arranged sealing ring 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil leakage prevention's plastic wheel, includes plastic wheel body (1), its characterized in that: the inner ring surface of the plastic wheel body (1) is fixedly connected with an inner ring fixing ring (2), the inner ring wall of the inner ring fixing ring (2) is fixedly connected with an outer ring (8), the inner side of the outer ring (8) is provided with an inner ring (6), two sides of the outer ring wall of the inner ring (6) are fixedly connected with limiting rings (18), one side surface of each limiting ring (18) is provided with an oil filling hole (11), an oil plug (10) is arranged inside each oil filling hole (11), a ball groove (12) is arranged between each inner ring (6) and the corresponding outer ring (8), balls (7) are arranged inside each ball groove (12), two side end surfaces of each inner ring (6) are fixedly provided with second screw holes (15) at equal distances, two sides of each inner ring (6) are fixedly connected with a dust cover (4), the surface of each dust cover (4) is provided with first screw holes (9) at equal intervals, one side surface of each dust cover (4) is fixedly connected with a sealing ring (5), an oil leakage cavity (17) is arranged between the dustproof cover (4) and the limiting ring (18), and a wheel shaft (3) is arranged on the inner side of the inner ring (6).

2. The oil leakage preventing plastic wheel according to claim 1, wherein: spacing groove (14) have been seted up to inner ring (6) inner ring equidistance, shaft (3) surface equidistance fixedly connected with stopper (13).

3. The oil leakage preventing plastic wheel according to claim 2, wherein: the limiting blocks (13) are arranged corresponding to the limiting grooves (14).

4. The oil leakage preventing plastic wheel according to claim 1, wherein: second screw holes (15) on the end surfaces of two sides of the inner ring (6) are arranged corresponding to first screw holes (9) formed in the dust cover (4), and the inner ring (6) is fixedly connected with the dust cover (4) through fixing bolts (16).

5. The oil leakage preventing plastic wheel according to claim 4, wherein: the fixing bolt (16) is in threaded connection with the second screw hole (15) and the first screw hole (9) respectively.

6. The oil leakage preventing plastic wheel according to claim 1, wherein: the number of the limiting rings (18) is two, and the outer ring (8) is arranged between the two limiting rings (18).