CN214945793U

CN214945793U - Oil mist guide lubrication type angular contact ball bearing

Info

Publication number: CN214945793U
Application number: CN202120881146.7U
Authority: CN
Inventors: 陈若瀚; 陈铁垒
Original assignee: Zhixing Lishui Precision Bearing Co Ltd
Current assignee: Zhixing Lishui Precision Bearing Co Ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-30
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses an oil mist direction lubrication type angular contact ball bearing belongs to bearing technical field, including outer lane, inner circle, steel ball, outer lane raceway and inner circle raceway, the inner circle is located the inner chamber of outer lane, the outer lane raceway is seted up in the inner chamber of outer lane, the inner circle raceway is seted up on the surface of inner circle, the steel ball is located between outer lane and the inner circle, the surface of steel ball and the inner wall roll connection of outer lane raceway and inner circle raceway, the holder has been cup jointed between the outside of steel ball and being located outer lane and inner circle; the utility model discloses a setting of holder, holder design into certain angle towards the shape of oil mist direction, will meet the oil mist that blows and lead outer lane raceway and inner circle raceway respectively, and outer lane raceway and inner circle raceway and steel ball carry out directional lubrication, reduce compressed air's wind-force loss, with oil mist maximum guide raceway, take away the heat, the temperature rise of the reduction bearing of maximum strength, improve life-span and lubricated effect.

Description

Oil mist guide lubrication type angular contact ball bearing

Technical Field

The utility model relates to a bearing technical field specifically is lubricated type angular contact ball bearing of oil mist direction.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is the support mechanical rotator, reduces the coefficient of friction in its motion to guarantee its gyration precision, the bearing need be in the use to its inside injection lubricating oil in order to realize the heat dissipation and promote lubricated effect, the life of extension bearing.

When the traditional angular contact ball bearing adopts an oil mist lubrication mode, lubricating oil is blown into the bearing through compressed air, and enters a roller path or a steel ball and the like from a gap and a clearance of the bearing for directional lubrication.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lubricated type angular contact ball bearing of oil mist direction possesses reducible compressed air's wind-force loss, with the advantage of the biggest direction raceway of oil mist 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: lubricated type angular contact ball bearing of oil mist direction, including outer lane, inner circle, steel ball, outer lane raceway and inner circle raceway, the inner chamber of outer lane is located to the inner circle, the inner chamber in outer lane is seted up to the outer lane raceway, the surface of inner circle is seted up to the inner circle raceway, the steel ball is located between outer lane and the inner circle, the surface of steel ball and the inner wall roll connection of outer lane raceway and inner circle raceway, the holder has been cup jointed to the outside of steel ball and between being located outer lane and the inner circle, just the back fixed mounting who is located the holder between outer lane and the inner circle has dustproof mechanism, the front of holder is the chamfer setting.

Preferably, the dustproof mechanism comprises a fixing ring and a dustproof cover, the fixing ring is fixedly installed on the inner wall of the outer ring and the surface of the inner ring respectively, and the dustproof cover is clamped with the fixing ring through a clamping plate.

Preferably, the bottom of the fixing ring is provided with a notch.

Preferably, the inner wall of the outer ring and the front surface of the retainer are provided with inclined notches.

Preferably, the surface of the retainer is provided with a ball pocket, and the surface of the steel ball is in rolling connection with the inner wall of the ball pocket.

Preferably, the inner wall of the retainer is provided with oil grooves at the front side and the rear side of the steel ball, and the two ends of the oil grooves are communicated with the ball pocket.

Preferably, the surface of the steel ball is coated with a wear-resistant layer.

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

1. the utility model discloses a setting of holder, the shape that the holder faces the oil mist direction designs into certain angle, will face the oil mist that blows to and lead to outer lane raceway and inner circle raceway respectively, and outer lane raceway and inner circle raceway and steel ball carry out directional lubrication, reduce compressed air's wind-force loss, lead the oil mist to the raceway to the greatest extent, take away the heat, the temperature rise of the bearing is reduced to the maximum strength, improve life-span and lubricated effect;

2. the utility model discloses a dustproof mechanism's setting, can prevent outside iron fillings when the bearing normally works, burr or foreign matter get into the inside of bearing, prevent the vibrations and the noise of increase motor from appearing, and damage raceway and steel ball scheduling problem, effectively reduce the vibrations noise of bearing, the life of bearing has been promoted, setting through the holder, can make and keep fixed distance between the steel ball, prevent the reduction of friction of mutual contact between the steel ball, steel ball evenly distributed and then let load evenly distributed during can simultaneously, and guide the steel ball in no load district, with improve the rolling condition in the bearing, prevent to have the damaging slip now.

Drawings

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

FIG. 2 is a schematic structural view of the dust cap of the present invention;

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

FIG. 4 is a schematic structural view of the outer race raceway of the present invention;

fig. 5 is a schematic structural view of the inner ring raceway of the present invention;

fig. 6 is a schematic structural view of the wear-resistant layer of the present invention;

FIG. 7 is a schematic side view of the structure of the present invention;

fig. 8 is an enlarged view of a portion a in fig. 7 according to the present invention.

In the figure: 1. an outer ring; 2. an inner ring; 3. a steel ball; 4. an outer ring raceway; 5. an inner race raceway; 6. a holder; 7. a dust-proof mechanism; 701. a stationary ring; 702. a dust cover; 703. clamping a plate; 8. a notch; 9. a bevel notch; 10. a ball pocket; 11. an oil sump; 12. and a wear-resistant layer.

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. 1-8, the present invention provides a technical solution: the oil mist guide lubrication type angular contact ball bearing comprises an outer ring 1, an inner ring 2, a steel ball 3, an outer ring raceway 4 and an inner ring raceway 5, wherein a wear-resistant layer 12 is coated on the surface of the steel ball 3, a bevel cut 9 is formed in the inner wall of the outer ring 1 and positioned on the front surface of a retainer 6, the inner ring 2 is arranged in an inner cavity of the outer ring 1, the outer ring raceway 4 is arranged in the inner cavity of the outer ring 1, the inner ring raceway 5 is arranged on the surface of the inner ring 2, the steel ball 3 is arranged between the outer ring 1 and the inner ring 2, and the surface of the steel ball 3 is in rolling connection with the inner walls of the outer ring raceway 4 and the inner ring raceway 5;

the wear-resisting property of the steel ball 3 can be improved by arranging the wear-resisting layer 12 on the surface of the steel ball 3, the wear-resisting layer 12 is made of wear-resisting ceramic paint which is a non-metallic cementing material and is a powdery ceramic material prepared by adopting acid-resisting and alkali-resisting artificially synthesized raw materials through strict process proportion and advanced inorganic polymerization technology, on the construction site, the special liquid inorganic glue is added into the material, manually or mechanically coated on the inner liner or the surface of the equipment, and after a series of chemical reactions, the bonding strength and the hardness of the ceramic can be achieved at normal temperature, the inclined notch 9 arranged on the inner wall of the outer ring 1 can play a role in guiding, oil mist carried by compressed air can conveniently enter the bearing, and through the arrangement of the outer ring roller path 4 and the inner ring roller path 5, the rotation of the steel ball 3 can be limited, and the steel ball 3 is prevented from moving between the outer ring 1 and the inner ring 2 in the rotating process;

the outer part of the steel ball 3 is sleeved with the retainer 6 between the outer ring 1 and the inner ring 2, the surface of the retainer 6 is provided with a ball pocket 10, the surface of the steel ball 3 is in rolling connection with the inner wall of the ball pocket 10, the inner wall of the retainer 6 is provided with oil grooves 11 at the front side and the rear side of the steel ball 3, two ends of each oil groove 11 are communicated with the ball pocket 10, a dustproof mechanism 7 is fixedly arranged between the outer ring 1 and the inner ring 2 and at the back side of the retainer 6, the dustproof mechanism 7 comprises a fixed ring 701 and a dustproof cover 702, the fixed ring 701 is fixedly arranged with the inner wall of the outer ring 1 and the surface of the inner ring 2 respectively, the dustproof cover 702 is clamped with the fixed ring 701 through a clamping plate 703, the bottom of the fixed ring 701 is provided with a notch 8, and the front side of the retainer 6 is in a chamfer arrangement;

the fixed distance between the steel balls 3 can be kept through the arrangement of the retainer 6, the steel balls are prevented from contacting with each other and friction is reduced, the front surface of the retainer 6, namely the shape facing to the oil mist direction, is designed into a certain angle, the oil mist blown from the front surface is respectively guided to the outer ring roller path 4 and the inner ring roller path 5, the outer ring roller path 4, the inner ring roller path 5 and the steel balls 3 are directionally lubricated, the wind power loss of compressed air is reduced, the oil mist is guided to the outer ring roller path 4 and the inner ring roller path 5 to the maximum degree, heat is taken away, the temperature rise of a bearing is reduced to the maximum strength, the service life and the lubricating effect are improved, the position of the steel balls 3 can be limited through the arrangement of the ball pocket 10, the oil storage function can be realized through the arrangement of the oil groove 11, the uniformity of lubricating grease between the steel balls 3 is improved, and the lubrication between the steel balls 3 and the outer ring roller path 4 and the inner ring roller path 5 can be supplemented, through the setting of dustproof mechanism 7, can prevent that outside dust foreign matter from getting into the inside of bearing, cause the damage to the bearing, through the setting of retainer plate 701, can with shield 702 fixed clamping in the inside of bearing, through the setting of notch 8, when the user need take off shield 702, can use instruments such as screwdriver to prize shield 702 through the side that notch 8 inserted shield 702.

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. Lubricated type angular contact ball bearing of oil mist direction, including outer lane (1), inner circle (2), steel ball (3), outer lane raceway (4) and inner circle raceway (5), the inner chamber of outer lane (1) is located in inner circle (2), the inner chamber of outer lane (1) is seted up in outer lane raceway (4), the surface of inner circle (2) is seted up in inner circle raceway (5), steel ball (3) are located between outer lane (1) and inner circle (2), the surface of steel ball (3) and the inner wall roll connection of outer lane raceway (4) and inner circle raceway (5), the outside of steel ball (3) just is located and has cup jointed holder (6) between outer lane (1) and inner circle (2), the back fixed mounting that just is located holder (6) between outer lane (1) and inner circle (2) has dustproof mechanism (7), its characterized in that: the front surface of the retainer (6) is arranged in a chamfer way.

2. The oil mist guide lubrication type angular contact ball bearing according to claim 1, wherein: dustproof mechanism (7) include retainer plate (701) and shield (702), retainer plate (701) respectively with the inner wall of outer lane (1) and the fixed surface installation of inner circle (2), shield (702) are through cardboard (703) and retainer plate (701) joint.

3. The oil mist guide lubrication type angular contact ball bearing according to claim 2, wherein: the bottom of the fixing ring (701) is provided with a notch (8).

4. The oil mist guide lubrication type angular contact ball bearing according to claim 1, wherein: the inner wall of the outer ring (1) is provided with a bevel cut (9) on the front surface of the retainer (6).

5. The oil mist guide lubrication type angular contact ball bearing according to claim 1, wherein: the surface of the retainer (6) is provided with a ball pocket (10), and the surface of the steel ball (3) is in rolling connection with the inner wall of the ball pocket (10).

6. The oil mist guide lubrication type angular contact ball bearing according to claim 5, wherein: oil grooves (11) are formed in the inner wall of the retainer (6) and located on the front side and the rear side of the steel ball (3), and the two ends of each oil groove (11) are communicated with the ball pocket (10).

7. The oil mist guide lubrication type angular contact ball bearing according to claim 1, wherein: the surface of the steel ball (3) is coated with a wear-resistant layer (12).