CN209743397U

CN209743397U - Self-lubricating type optical axis linear bearing

Info

Publication number: CN209743397U
Application number: CN201920289902.XU
Authority: CN
Inventors: 刘敏; 胡用武; 练飞虹
Original assignee: LISHUI VOCATIONAL HIGH SCHOOL
Current assignee: LISHUI VOCATIONAL HIGH SCHOOL
Priority date: 2019-03-08
Filing date: 2019-03-08
Publication date: 2019-12-06
Anticipated expiration: 2029-03-08

Abstract

the utility model discloses a self-lubricating type optical axis linear bearing, which comprises a bearing body and a shaft lever penetrating through the bearing body, the bearing body comprises a groove, an outer ring, an inner ring, an oil storage tank, a sealing cover, a small ball groove, an oil overflow hole, a small ball, a large ball groove, a large ball and a rotor, the bearing stores lubricating oil through the arrangement of the sealing cover, the sealing ring and the oil storage tank, and through the arrangement of the oil overflow hole, when the small ball rolls in the small ball groove, the lubricating oil overflowed from the oil spilling hole is uniformly distributed on the small ball, and the transmission is for big ball, and big ball also can be covered with lubricating oil when rolling, comes to lubricate big ball like this, has reduced the jamming phenomenon of big ball, makes big ball pivoted more stable, has reduced the wearing and tearing between rotor and the big ball, makes bearing non-deformable, has prolonged life, has reduced noise and use cost simultaneously.

Description

Self-lubricating type optical axis linear bearing

Technical Field

The utility model relates to a bearing technical field specifically is a from moist formula optical axis linear bearing.

Background

The linear optical axis has a guiding function of a sliding bearing, and can be used for realizing linear motion. The requirements of these linear motion systems are simple design, best performance, low cost of maintenance, use of strictly selected robust materials, high frequency heat treatment, accurate outer diameter dimensions, roundness, straightness and surface treatment. The linear optical axis is widely applied to a plurality of linear motion systems such as a cylinder rod, an automatic precision printer, an automatic cutting machine, an industrial robot and the like, in the prior art, because a linear bearing is not good in lubrication, balls are easy to block and seriously abraded in a load state, the service life of the bearing is shortened, and the cost for frequently replacing the balls is high, so that the self-lubricating type optical axis linear bearing is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from moist formula optical axis linear bearing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a self-lubricating type optical axis linear bearing comprises a bearing body and a shaft rod penetrating through the bearing body, wherein the bearing body comprises a groove, an outer ring, an inner ring, an oil storage groove, a sealing cover, a small ball groove, an oil overflow hole, a small ball, a large ball groove, a large ball and a rotor, the groove is located on two sides of the outer ring, the inner ring is connected to the inner portion of the outer ring, the oil storage groove is distributed on the upper portion of the outer ring in an annular array mode, the sealing cover is connected to the upper portion of the outer side of the oil storage groove, the small ball groove is located on one side of the inner portion of the oil storage groove, the oil overflow hole is located in the small ball groove, the small ball is connected to the inner portion of the small ball groove, the large ball groove is distributed in the inner ring in an annular array mode, the large ball is connected to.

Preferably, a spline is connected between the outer ring and the inner ring.

Preferably, a sealing ring is arranged inside the sealing cover.

Preferably, the oil storage tanks are arranged in at least four groups.

preferably, the large ball grooves are arranged in at least four groups.

Preferably, a gap is reserved between the rotor and the inner ring.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a sealed lid, the sealing washer, the setting of oil storage tank, save lubricating oil, setting through the oil spilling hole, when little ball rolls in little ball groove, the even distribution of lubricating oil that the oil spilling hole spills over is on little ball, and transmit for big ball, big ball also can be covered with lubricating oil when rolling, lubricate big ball like this, the jamming phenomenon of big ball has been reduced, make big ball pivoted more stable, the wearing and tearing between rotor and the big ball have been reduced, make bearing non-deformable, service life is prolonged, noise and use cost have been reduced simultaneously.

Drawings

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

FIG. 2 is a schematic view of the structure of the large oil storage tank of the present invention;

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

Fig. 4 is a schematic view of the oil overflow hole structure of the present invention.

In the figure: the bearing comprises a bearing body 1, a shaft rod 2, a groove 3, an outer ring 4, an inner ring 5, an oil storage groove 6, a sealing cover 7, a sealing ring 8, a small ball groove 9, an oil overflow hole 10, a small ball 11, a large ball groove 12, a large ball 13, a rotor 14 and a spline 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a self-lubricating optical axis linear bearing comprises a bearing body 1 and a shaft rod 2 penetrating through the bearing body 1, wherein the bearing body 1 comprises grooves 3, an outer ring 4, an inner ring 5, an oil storage groove 6, a sealing cover 7, a small ball groove 9, oil spilling holes 10, small balls 11, a large ball groove 12, large balls 13 and a rotor 14, the grooves 3 are positioned at two outer sides of the outer ring 4, the inner ring 5 is connected inside the outer ring 4, the oil storage groove 6 is distributed on the upper portion of the outer ring 4 in an annular array manner, the sealing cover 7 is connected on the upper portion of the outer side of the oil storage groove 6, the small ball groove 9 is positioned at one inner side of the oil storage groove 6, the oil spilling holes 10 are positioned on the small ball groove 9, the small balls 11 are connected inside the small ball groove 9, the large ball groove 12 is distributed inside the inner ring 5 in an annular array manner, the large balls 13 are connected inside the large ball groove 12, the rotor 14 is located inside the inner ring 5.

Specifically, a spline 15 is connected between the outer ring 4 and the inner ring 5.

Specifically, a sealing ring 8 is arranged inside the sealing cover 7.

Specifically, the oil storage tanks 6 are arranged in at least four groups.

Specifically, the large ball grooves 12 are arranged in at least four groups.

Specifically, a gap is reserved between the rotor 14 and the inner ring 5.

Specifically, during the use, open sealed lid 7, pack lubricating oil into oil storage tank 6 in, install sealed lid 7 back on oil storage tank 6 again, and seal through the sealing washer 8 that sets up, setting through oil spill hole 10, when little ball 11 rolls in little ball groove 9, the lubricating oil that oil spill hole 10 spills over can be along with the even distribution of rotation of little ball on little ball 11, and transmit for big ball 13, big ball 13 also can be covered with lubricating oil when rolling, lubricate big ball 13 like this, the wearing and tearing between rotor 14 and the big ball 13 have been reduced, the noise has been reduced, make bearing non-deformable, service life has been prolonged.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a from moist formula optical axis linear bearing, includes bearing body (1) and runs through in its inside axostylus axostyle (2), its characterized in that: the bearing body (1) comprises a groove (3), an outer ring (4), an inner ring (5), an oil storage groove (6), a sealing cover (7), a small ball groove (9), oil spilling holes (10), small balls (11), a large ball groove (12), large balls (13) and a rotor (14), wherein the groove (3) is positioned on two outer sides of the outer ring (4), the inner ring (5) is connected inside the outer ring (4), the oil storage groove (6) is distributed on the upper portion of the outer ring (4) in an annular array manner, the sealing cover (7) is connected on the upper portion of the outer side of the oil storage groove (6), the small ball groove (9) is positioned on one side of the inside of the oil storage groove (6), the oil spilling holes (10) are positioned on the small ball groove (9), the small balls (11) are connected inside the small ball groove (9), the large ball groove (12) is distributed inside the inner ring (5) in an annular array manner, the large balls (13) are connected to the inside of the large ball groove (12), and the rotor (14) is positioned inside the inner ring (5).

2. A self-lubricating optical axis linear bearing as claimed in claim 1, wherein: and a spline (15) is connected between the outer ring (4) and the inner ring (5).

3. A self-lubricating optical axis linear bearing as claimed in claim 1, wherein: and a sealing ring (8) is arranged in the sealing cover (7).

4. A self-lubricating optical axis linear bearing as claimed in claim 1, wherein: the oil storage tanks (6) are at least arranged in more than four groups.

5. a self-lubricating optical axis linear bearing as claimed in claim 1, wherein: the large ball grooves (12) are arranged in at least four groups.

6. A self-lubricating optical axis linear bearing as claimed in claim 1, wherein: and a gap is reserved between the rotor (14) and the inner ring (5).