CN216742448U

CN216742448U - Deep groove ball bearing

Info

Publication number: CN216742448U
Application number: CN202123130453.0U
Authority: CN
Inventors: 朱钢; 朱林昌; 刘竹林
Original assignee: Zhejiang Fit Bearing Co ltd
Current assignee: Zhejiang Fit Bearing Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-06-14
Anticipated expiration: 2031-12-14

Abstract

The utility model provides a deep groove ball bearing, which comprises an outer ring, an inner ring, a retainer, balls and an oiling device; the inside swing joint of holder has the ball, forms the rotation cavity that is used for accomodating holder and ball between outer lasso and the inner race, and outer lasso inside is equipped with oiling device. A deep groove ball bearing, solved the problem that the lubricated effect of deep groove ball bearing interior ball is not good, add lubricating oil to the ball through the oiling groove that sets up on the bearing overcoat, solved because of the interior partial ball of bearing is not soaked lubricating oil, the problem that makes the partial ball wearing and tearing in the bearing.

Description

Deep groove ball bearing

Technical Field

The utility model belongs to the bearing field especially relates to a deep groove ball bearing.

Background

The deep groove ball bearing is a rolling bearing which is most widely applied and is characterized by small friction resistance and high rotating speed, and can be used on a machine member bearing radial load or combined load acted simultaneously in the radial direction and the axial direction and also can be used on a machine member bearing axial load. However, in actual use, the ball in the deep groove ball bearing has the condition of poor lubricating effect, when the lubricating effect is not good, the operation effect of the deep groove ball bearing can be influenced, and after the oil is injected into the deep groove ball bearing, the ball in the bearing is not soaked in the lubricating oil, so that the ball in the bearing is abraded, and therefore, the self-lubricating deep groove ball bearing is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a deep groove ball bearing to solve the above-mentioned disadvantages.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a deep groove ball bearing comprises an outer ring, an inner ring, a retainer, balls and an oil injection device;

the inside swing joint of holder has the ball, forms the rotation cavity that is used for accomodating holder and ball between outer lasso and the inner race, and outer lasso inside is equipped with oiling device.

Furthermore, an annular groove is formed in the inner side wall of the outer ring, and the ball is movably connected with the annular groove.

Furthermore, the outer side wall of the inner ring is provided with a sliding groove, and the ball is movably connected with the sliding groove.

Further, oiling device is including receiving subassembly and oiling subassembly, and oiling subassembly is installed in receiving the subassembly.

Further, the containing assembly comprises a threaded groove, an oil filling groove and an oil discharge hole;

the lateral wall undercut of outer ferrule forms the thread groove, and the central part undercut of thread groove bottom surface forms the oiling recess, and the oil extraction hole has been seted up to the central part of oiling recess bottom surface, oil extraction hole and the inside intercommunication of rotation cavity.

Further, the oil injection assembly comprises a fixed column, a first baffle, a first spring, a first blocking plate and a contact block;

fixed column and threaded groove threaded connection, the first baffle lower surface of first spring one end fixed connection, the first closure plate upper surface of first spring other end fixed connection, first closure plate lower surface fixed connection contact piece, contact piece extend to in the rotation cavity through the oil drain hole and contact with the ball.

Further, the oil injection device also comprises a plugging assembly, and the plugging assembly comprises a second baffle, a second spring, a second plugging plate and a plugging block;

one end of the second spring is fixedly connected with the lower surface of the second baffle, the other end of the second spring is fixedly connected with the upper surface of the second blocking plate, and the lower surface of the second blocking plate is fixedly connected with the blocking block.

Compared with the prior art, a deep groove ball bearing have following advantage:

a deep groove ball bearing, solved the problem that the lubricated effect of deep groove ball bearing interior ball is not good, add lubricating oil to the ball through the oiling groove that sets up on the bearing overcoat, solved because of the interior partial ball of bearing is not soaked lubricating oil, the problem that makes the partial ball wearing and tearing in the bearing.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an overall schematic view of a bearing according to an embodiment of the present invention;

fig. 2 is a schematic view of a receiving assembly according to an embodiment of the present invention;

fig. 3 is a schematic view of an oil injection assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of a plugging assembly according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of an outer ferrule according to an embodiment of the present invention;

fig. 6 is a schematic view of a retainer according to an embodiment of the present invention;

fig. 7 is a schematic view of a handle according to an embodiment of the present invention.

Description of reference numerals:

1-outer ferrule; 101-rotating the cavity; 102-an annular groove; 103-a chute; 2-inner ferrule; 3-a cage; 4-a ball bearing; 5-a thread groove; 501-oiling grooves; 502-oil drain hole; 6-fixing the column; 601-a first baffle; 602-a first spring; 603-a first closure plate; 604-a contact block; 7-a second baffle; 8-a second spring; 9-a second closure plate; 901-plugging block; 902-a handle.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The two side walls of the outer sleeve ring 1 and the inner sleeve ring 2 are also provided with sealing plates which can be made of metal or rubber and are mainly used for improving the waterproof and dustproof performance of the bearing.

The bearing in the application is only suitable for low-rotating-speed equipment and cannot be applied to high-rotating-speed equipment;

as shown in fig. 1 to 5, a deep groove ball bearing comprises an outer race 1, an inner race 2, a retainer 3, balls 4 and an oil injection device;

the inside swing joint of holder 3 has ball 4, forms the rotation cavity 101 that is used for accomodating holder 3 and ball 4 between outer race 1 and the inner race 2, and the inside oiling device that is equipped with of outer race 1.

An annular groove 102 is formed in the inner side wall of the outer race 1, and the ball 4 is movably connected with the annular groove 102.

The outer side wall of the inner ring 2 is provided with a sliding groove 103, and the ball 4 is movably connected with the sliding groove 103.

Oiling device is including receiving subassembly and oiling subassembly, and oiling subassembly installs in receiving the subassembly.

As shown in fig. 2, the receiving assembly includes a screw groove 5, an oil filling groove 501, and an oil drain hole 502;

the outer side wall of the outer ring 1 is downwards sunken to form a threaded groove 5, the central part of the bottom surface of the threaded groove 5 is downwards sunken to form an oil injection groove 501, the central part of the bottom surface of the oil injection groove 501 is provided with an oil discharge hole 502, and the oil discharge hole 502 is communicated with the inside of the rotating cavity 101.

As shown in fig. 3, the oil injection assembly comprises a fixing post 6, a first baffle 601, a first spring 602, a first blocking plate 603 and a contact block 604;

fixed column 6 and threaded connection of thread groove 5, first spring 602 one end fixed connection first baffle 601 lower surface, first spring 602 other end fixed connection first closure 603 upper surface, first closure 603 lower surface fixed connection contact block 604, contact block 604 extends to in rotating cavity 101 and contact with ball 4 through oil drain hole 502.

As shown in fig. 4, the oil injection device further comprises a blocking assembly, wherein the blocking assembly comprises a second baffle 7, a second spring 8, a second blocking plate 9 and a blocking block 901;

one end of the second spring 8 is fixedly connected with the lower surface of the second baffle 7, the other end of the second spring 8 is fixedly connected with the upper surface of the second blocking plate 9, and the lower surface of the second blocking plate 9 is fixedly connected with a blocking block 901.

When the bearing is used, the retainer 3 rotates along with the balls 4 in the bearing, the retainer 3 is rotationally connected between the annular groove 102 and the sliding groove 103, so that the upper ends of the balls 4 are in contact with the annular groove 102, and the lower ends of the balls 4 are in contact with the sliding groove 103;

the oil injection assembly is integrally embedded into the outer ferrule 1, at the moment, the fixing column 6 is in threaded connection with the threaded groove 5, the fixing column 6 is arranged right above the first baffle 601 and presses the first baffle 601 downwards, the lower surface of the first baffle 601 is in contact with the bottom surface of the threaded groove 5, and a rubber gasket is further arranged on the lower surface of the first baffle 601;

lubricating oil is injected into the oil injection groove 501 through a handheld oil injection gun, and the oil injection groove 501 is used for storing the lubricating oil;

the contact block 604 is a sphere, extends downwards into the rotating cavity 101 through the oil discharge hole 502 and contacts with the rolling ball 4, a first blocking plate 603 arranged right above the contact block 604 contacts with the bottom surface of the oil injection groove 501, the first blocking plate 603 is a cylinder, the diameter of the first blocking plate 603 is larger than that of the oil discharge hole 502, and the diameter of the contact block 604 is smaller than that of the oil discharge hole 502;

when spin 4 rotates, make contact block 604 lift up, after contact block 604 lifts up, produce the gap between first closure plate 603 and the oiling recess 501 bottom surface, the inside lubricating oil that is equipped with of oiling recess 501 flows into through the gap and rotates cavity 101, the lubricating oil flows on ball 4, make every ball 4 all soak lubricating oil through rolling bearing, thereby improve the inside ball 4's of bearing lubricating effect, along with constantly rotating and ensure that every ball 4 is lubricated even, and then the lubricated use of the deep groove ball bearing of being convenient for.

After the lubrication is finished, in order to avoid the influence of the contact block 604 on the rotation of the bearing, the oil injection assembly needs to be detached and replaced by a plugging assembly;

as shown in fig. 7, the oiling component and the plugging component are limited by a fixing column 6, an inner hexagonal groove is formed in the upper end surface of the fixing column 6, the fixing column 6 is disassembled by an inner hexagonal wrench, handles 902 convenient to lift upwards are arranged on the upper end surfaces of the first plugging plate 603 and the second plugging plate 7, the plugging component or the oiling component can be quickly and efficiently lifted by tools such as an iron hook or tweezers, the plugging component is similar to the oiling component in structure, the only difference is that the plugging block 901 has different symptoms from the contact block 604, and other structures are identical;

the plugging block 901 is a cylinder, the end face of the plugging block 901 contacting with the rolling ball 4 is in a certain radian, the radian is consistent with that of the inner side wall of the outer ferrule 1, the second plugging plate 9 arranged right above the plugging block 901 contacts with the bottom surface of the oil injection groove 501, the second plugging plate 9 is a cylinder, the diameter of the second plugging plate 9 is larger than that of the oil discharge hole 502, and the diameter of the plugging block 901 is smaller than that of the oil discharge hole 502.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A deep groove ball bearing is characterized in that: comprises an outer ring (1), an inner ring (2), a retainer (3), balls (4) and an oil injection device;

the inside of the retainer (3) is movably connected with a ball (4), a rotating cavity (101) for containing the retainer (3) and the ball (4) is formed between the outer ferrule (1) and the inner ferrule (2), and an oil injection device is arranged inside the outer ferrule (1);

the oil injection device further comprises a plugging assembly, and the plugging assembly comprises a second baffle (7), a second spring (8), a second plugging plate (9) and a plugging block (901);

one end of a second spring (8) is fixedly connected with the lower surface of the second baffle (7), the other end of the second spring (8) is fixedly connected with the upper surface of a second plugging plate (9), and the lower surface of the second plugging plate (9) is fixedly connected with a plugging block (901).

2. The deep groove ball bearing of claim 1, wherein: an annular groove (102) is formed in the inner side wall of the outer ring (1), and the ball (4) is movably connected with the annular groove (102).

3. The deep groove ball bearing of claim 1, wherein: the outer side wall of the inner ring (2) is provided with a sliding groove (103), and the ball (4) is movably connected with the sliding groove (103).

4. The deep groove ball bearing of claim 1, wherein: the oiling device comprises a storage assembly and an oiling assembly, and the oiling assembly is installed in the storage assembly.

5. The deep groove ball bearing of claim 4, wherein: the containing assembly comprises a threaded groove (5), an oiling groove (501) and an oil drain hole (502);

the outer side wall of the outer ring (1) is downwards sunken to form a threaded groove (5), the central part of the bottom surface of the threaded groove (5) is downwards sunken to form an oil injection groove (501), the central part of the bottom surface of the oil injection groove (501) is provided with an oil discharge hole (502), and the oil discharge hole (502) is communicated with the inside of the rotating cavity (101).

6. The deep groove ball bearing according to claim 5, wherein: the oil injection assembly comprises a fixed column (6), a first baffle (601), a first spring (602), a first blocking plate (603) and a contact block (604);

fixed column (6) and thread groove (5) threaded connection, first baffle (601) lower surface of first spring (602) one end fixed connection, first closure plate (603) upper surface of first spring (602) other end fixed connection, first closure plate (603) lower surface fixed connection has contact block (604), contact block (604) extend to in rotating cavity (101) and contact with ball (4) through oil drain hole (502).