CN219242464U

CN219242464U - Dustproof bearing

Info

Publication number: CN219242464U
Application number: CN202223230969.7U
Authority: CN
Inventors: 夏浩瑜; 夏文超; 吉如
Original assignee: Jiangsu Ruhao Precision Machinery Co ltd
Current assignee: Jiangsu Ruhao Precision Machinery Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-23
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a dustproof bearing, include: the bearing comprises a bearing main body and dust covers arranged on two sides of the bearing main body, wherein the bearing main body comprises a moving groove, a limiting groove, a fixing hole and an annular sliding groove which are formed in the surface of the bearing main body, and the moving groove is communicated with the limiting groove; the dustproof cover comprises a movable cavity arranged in the dustproof cover, a limiting unit arranged in the movable cavity, a shielding plate and an annular shielding plate, wherein the shielding plate and the annular shielding plate are arranged on the surface of the dustproof cover; the size of the limiting unit corresponds to the moving groove and the limiting groove. The dustproof bearing has the beneficial effects that the dustproof bearing can protect the bearing main body, prevent the bearing from being invaded by moisture or dirt and the like, so that rust or oil leakage occurs, can be used for quickly filling oil, prevent the integral lubrication from being insufficient due to oil shortage, and simultaneously can be quickly installed and detached, so that the bearing main body is convenient to maintain by staff.

Description

Dustproof bearing

Technical Field

The utility model belongs to the technical field of bearings, and particularly relates to a dustproof bearing.

Background

Bearings are an important component in contemporary mechanical devices. The main function of the bearing is to support the mechanical rotator, reduce the friction coefficient in the motion process and ensure the rotation precision of the mechanical rotator, dust is prevented from entering the bearing as much as possible during operation, and when the dust enters the bearing, the dust can cause pitting corrosion, so that the service life of the bearing is shortened, and therefore, a dust-proof sleeve is required to be additionally arranged on the bearing.

The existing dustproof bearing still has some defects, firstly, the tightness of the dustproof sleeve piece is poor, so that the bearing is invaded by moisture or dirt and the like, rust or oil leakage occurs, and the dustproof sleeve piece is difficult to install and detach simply and quickly.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a dustproof bearing.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a dust bearing comprising: a bearing body and dust covers arranged on two sides of the bearing body,

the bearing main body comprises a moving groove, a limiting groove, a fixed hole and an annular sliding groove which are formed in the surface of the bearing main body, and the moving groove is communicated with the limiting groove;

the dustproof cover comprises a movable cavity arranged in the dustproof cover, a limiting unit arranged in the movable cavity, a shielding plate and an annular shielding plate, wherein the shielding plate and the annular shielding plate are arranged on the surface of the dustproof cover;

the size of the limiting unit corresponds to the moving groove and the limiting groove.

In a preferred embodiment of the utility model, the limiting unit further comprises a rotating shaft and a knob fixed at one end of the rotating shaft, threads are arranged on the surface of the rotating shaft, the rotating shaft can be movably connected with a moving block through the threads, and a limiting block is further arranged on the side face of the moving block.

In a preferred embodiment of the utility model, the surface of the movable cavity is also provided with a movable groove, the side surface of the movable block is also fixed with a connecting rod, the movable block is fixed at one end of the connecting rod, and the connecting rod can be arranged in the movable groove in a penetrating way.

In a preferred embodiment of the present utility model, the connecting rod and the limiting block correspond to the moving slot, and the limiting block is matched with the limiting slot, and the connecting rod and the limiting block can move in the moving slot.

In a preferred embodiment of the present utility model, a groove corresponding to the shielding plate is formed on the surface of the dust cover, the shielding plate is disposed in the groove, a fixing piece is disposed on the surface of the shielding plate, and the other end of the fixing piece can be fixed in the fixing hole.

In a preferred embodiment of the present utility model, the surface of the dust cover is further provided with an oil filling hole, and the shielding plate can cover the oil filling hole.

In a preferred embodiment of the utility model, the annular baffle is matched with the annular chute, and the annular baffle can be clamped in the annular chute.

In a preferred embodiment of the present utility model, the oil filling hole corresponds to the bearing body.

The utility model solves the defects existing in the background technology, and has the following beneficial effects:

1. this dustproof bearing can protect the bearing main part, avoids the bearing to be invaded by moisture or filth etc to take place corrosion or oil leak phenomenon, and can carry out quick oiling, avoid leading to whole lubrication inadequately because of the oil shortage, can also install fast and dismantle simultaneously, make things convenient for the staff to maintain the bearing main part.

2. This dustproof bearing through setting up shielding plate, mounting and oil filler point, and the shielding plate can protect the oil filler point, avoids when not needing the oiling, and the foreign matter passes through the oil filler point and gets into inside the bearing, and the mounting can be fixed the shielding plate on the shield surface simultaneously, avoids the shielding plate to appear droing, has improved the holistic security of dustproof bearing.

3. This dustproof bearing through setting up spacing unit, can make the shield fix in bearing main part both sides to under stopper and the cooperation of movable groove and spacing groove, make the shield can not appear the problem that drops easily, cooperation annular baffle and annular spout simultaneously can avoid the bearing to be invaded by moisture or filth etc. to take place corrosion or oil leak phenomenon.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the deployment structure of the present utility model;

FIG. 3 is a schematic elevational cross-sectional view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

FIG. 5 is a schematic view of a dust cap according to the present utility model;

FIG. 6 is a schematic view of a bearing body according to the present utility model;

in the figure: 1. a dust cover; 110. a movable cavity; 120. a limit unit; 121. a rotating shaft; 122. a knob; 123. a moving block; 124. a movable groove; 125. a connecting rod; 126. a limiting block; 130. a shielding plate; 131. a fixing member; 132. an oil filling hole; 140. an annular baffle; 2. a bearing body; 210. a moving groove; 211. a limit groove; 212. a fixing hole; 220. an annular chute.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.

A dust bearing comprising: the bearing comprises a bearing body 2 and dust covers 1 arranged on two sides of the bearing body 2, wherein the bearing body 2 comprises a moving groove 210, a limiting groove 211, a fixed hole 212 and an annular sliding groove 220 which are formed in the surface of the bearing body 2, and the moving groove 210 is communicated with the limiting groove 211; the dust cover 1 comprises a movable cavity 110 arranged in the dust cover 1, a limiting unit 120 arranged in the movable cavity 110, a shielding plate 130 and an annular shielding plate 140 arranged on the surface of the dust cover 1, and a cover plate cover arranged on the surface of the dust cover 1; this dustproof bearing can protect bearing main part 2, avoids the bearing to be invaded by moisture or filth etc to take place corrosion or oil leak phenomenon, and can carry out quick oiling, avoid leading to whole lubrication inadequately because of the oil shortage, can also install fast and dismantle simultaneously, make things convenient for the staff to maintain bearing main part 2.

The size of the limiting unit 120 corresponds to the moving groove 210 and the limiting groove 211; the limiting unit 120 further comprises a rotating shaft 121 and a knob 122 fixed at one end of the rotating shaft 121, threads are arranged on the surface of the rotating shaft 121, the rotating shaft 121 can be movably connected with a moving block 123 through the threads, and a limiting block 126 is further arranged on the side surface of the moving block 123; the surface of the movable cavity 110 is also provided with a movable groove 124, the side surface of the movable block 123 is also fixed with a connecting rod 125, the movable block 123 is fixed at one end of the connecting rod 125, and the connecting rod 125 can be arranged in the movable groove 124 in a penetrating way; the connecting rod 125 and the limiting block 126 correspond to the moving groove 210, and the limiting block 126 is matched with the limiting groove 211, so that the connecting rod 125 and the limiting block 126 can move in the moving groove 210; this dustproof bearing, through setting up spacing unit 120, can make shield 1 fix in bearing main part 2 both sides to under stopper 126 and the cooperation of removal groove 210 and spacing groove 211, make shield 1 can not appear the problem that drops easily, cooperation annular baffle 140 and annular spout 220 simultaneously can avoid the bearing to be invaded by moisture or filth etc. to take place corrosion or oil leak phenomenon.

The surface of the dust cover 1 is provided with a groove corresponding to the shielding plate 130, the shielding plate 130 is arranged in the groove, the surface of the shielding plate 130 is provided with a fixing piece 131, and the other end of the fixing piece 131 can be fixed in the fixing hole 212; the surface of the dust cover 1 is also provided with an oil filling hole 132, and the shielding plate 130 can cover the oil filling hole 132; the position of the oil filler hole 132 corresponds to the bearing main body 2; this dustproof bearing through setting up shielding plate 130, mounting 131 and oil filler hole 132, and shielding plate 130 can protect oil filler hole 132, avoids when not needing the oiling, and the foreign matter passes through oil filler hole 132 and gets into the bearing inside, and simultaneously mounting 131 can fix shielding plate 130 at shield 1 surface, avoids shielding plate 130 to appear droing, has improved dustproof bearing holistic security.

The annular baffle 140 is matched with the annular chute 220, and the annular baffle 140 can be clamped in the annular chute 220; the annular baffle 140 and the annular chute 220 are matched, so that the bearing can be prevented from being invaded by moisture, dirt and the like, and rust or oil leakage can be avoided.

The working principle of the utility model is as follows:

firstly, the bearing main body 2 is placed at a proper position, then the dust cover 1 is attached to the bearing main body 2, then a worker aligns the limiting block 126 with the moving groove 210 and screws the knob 122, the limiting block 126 is adjusted to a specified position, so that the limiting block 126 can transversely move in the moving groove 210, when the limiting block 126 moves into the limiting groove 211, the worker reversely screws the knob 122, so that the limiting block 126 can be clamped in the limiting groove 211, and the fixing of the dust cover 1 is completed.

When the worker needs to continue to fill the bearing body 2, the worker only needs to remove the fixing member 131 from the surface of the shielding plate 130, then move the shielding plate 130, and leak the oil filling hole 132, so that the bearing body 2 can be filled with oil.

In the description of the present utility model, it should be understood that 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 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 description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims

1. A dust bearing comprising: the bearing main body and the dust covers arranged on the two sides of the bearing main body are characterized in that,

the size of the limiting unit corresponds to the moving groove and the limiting groove;

the limiting unit further comprises a rotating shaft and a knob fixed at one end of the rotating shaft, threads are arranged on the surface of the rotating shaft, the rotating shaft can be movably connected with a moving block through the threads, and a limiting block is further arranged on the side face of the moving block.

2. A dust bearing according to claim 1, wherein: the movable cavity surface is also provided with a movable groove, the side face of the movable block is also fixed with a connecting rod, the movable block is fixed at one end of the connecting rod, and the connecting rod can be arranged in the movable groove in a penetrating way.

3. A dust bearing according to claim 2, wherein: the connecting rod with the stopper with remove the groove is corresponding, just the stopper with spacing groove phase-match, the connecting rod with the stopper can remove in the groove that removes.

4. A dust bearing according to claim 1, wherein: the dust cover surface is provided with a groove corresponding to the shielding plate, the shielding plate is arranged in the groove, the shielding plate surface is provided with a fixing piece, and the other end of the fixing piece can be fixed in the fixing hole.

5. A dust bearing according to claim 1, wherein: the dust cover surface is also provided with an oil filling hole, and the shielding plate can cover the oil filling hole.

6. A dust bearing according to claim 1, wherein: the annular baffle is matched with the annular chute, and the annular baffle can be clamped in the annular chute.

7. A dust bearing according to claim 5, wherein: the oil filling hole is positioned corresponding to the bearing main body.