CN209892631U

CN209892631U - Dustproof bearing capable of self-lubricating and replacing lubricating oil

Info

Publication number: CN209892631U
Application number: CN201920184966.3U
Authority: CN
Inventors: 恽岳贤; 恽文贤; 季良; 庄佳年; 薛剑鹏; 恽小明
Original assignee: CHANGZHOU QIAN FENG AUTO PARTS Co Ltd
Current assignee: CHANGZHOU QIAN FENG AUTO PARTS Co Ltd
Priority date: 2019-02-02
Filing date: 2019-02-02
Publication date: 2020-01-03
Anticipated expiration: 2029-02-02

Abstract

The utility model relates to a can be from moist and removable lubricating oil's dust protected bearing, bearing inner race and bearing inner race have, bearing inner race and bearing inner race mid portion are the seal zone, be equipped with ball and holder in the seal zone, the bearing inner race periphery is equipped with anti-return oil inlet nozzle, anti-return oil inlet nozzle's entrance is equipped with dustproof rubber, dustproof rubber is connected with dustproof rubber seat, be equipped with into oil pipe in the middle of the anti-return oil inlet nozzle, it is equipped with steel ball and spacing tooth to advance oil pipe lower extreme passageway department, the inside oil collecting chamber that is equipped with of bearing inner race, the inside oil change device that is equipped with of bearing inner race, the seal zone. The utility model aims at overcoming the defect that prior art exists, providing a can in time supply lubricating oil, use the later stage can change lubricating oil and have the bearing of dustproof function and be the problem of treating the solution.

Description

Dustproof bearing capable of self-lubricating and replacing lubricating oil

Technical Field

The utility model relates to a bearing, especially a but self-lubricate and removable lubricating oil's dust protected bearing.

Background

As for the bearing, it is documented that China is one of the countries in the world where rolling bearings are invented earlier. The bearing is an important part for fixing and reducing the load friction coefficient in the mechanical transmission process in the modern mechanical equipment, mainly plays a role in supporting a mechanical rotating body and is used for reducing the mechanical load friction coefficient of the equipment in the transmission process, the bearing can be divided into a rolling bearing and a sliding bearing according to the difference of the friction properties of mechanical moving elements, and the reliability, the precision, the performance and the service life of the bearing play a decisive role in the reliability, the precision, the performance and the service life of an application main body. The well known bearing can produce wearing and tearing in the use, need can in time supply lubricating oil at its in-process of using, in addition at its in-process of work, because of the dirt that its self operational environment and wearing and tearing produced for lubricating oil is thoughtlessly had magazine in the bearing, leads to lubricated effect to reduce, thereby aggravate bearing wear, when influence bearing self life-span, also influences the result of use and the life-span of using the main part. Therefore, the problem that lubricating oil can be timely supplemented, the lubricating oil can be replaced in the later period of use, and the bearing with the dustproof function is to be solved is designed.

Disclosure of Invention

The utility model aims at overcoming the defect that prior art exists, providing a can in time supply lubricating oil, use the later stage can change lubricating oil and have the bearing of dustproof function and be the problem of treating the solution.

Realize the utility model discloses the technical scheme of purpose is: a dust-proof bearing capable of self-lubricating and replacing lubricating oil is provided with a bearing outer ring and a bearing inner ring; the middle parts of the bearing outer ring and the bearing inner ring are sealing areas; the sealing area is internally provided with a ball and a retainer; the periphery of the bearing outer ring is provided with an anti-backflow oil inlet nozzle; dustproof rubber is arranged at the inlet of the anti-backflow oil inlet nozzle; the dustproof rubber is connected with the dustproof rubber seat; an oil inlet pipe is arranged in the middle of the anti-backflow oil inlet nozzle; a steel ball and a limiting tooth are arranged at a passage at the lower end of the oil inlet pipe; an oil collecting chamber is arranged in the bearing outer ring; dust covers are arranged at two ends of the sealing area; and an oil changing device is arranged in the bearing inner ring. Dustproof rubber is screwed through dustproof rubber seat and is installed on anti-return oil inlet nozzle. A spring is arranged in the oil collecting chamber; the lower end of the spring is connected with a sliding plate; and the sliding plate is provided with a sealing ring. A flow-limiting bead and a cross bolt are arranged in the oil changing device; the flow limiting beads are connected with the cross bolts through springs. The sealing area is communicated with the oil changing device through a changing pipe. The diameter of the steel ball is larger than the diameter of the upper part of the oil inlet pipe, the diameter of the lower part of the oil inlet pipe is the same as that of the steel ball, and the lower end of the oil inlet pipe is connected with the oil delivery pipe.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) the utility model discloses simple structure, reasonable in design, the dustproof rubber of installation not only can get rid of the dust of bearing operating space outside effectively outside on the anti-return oil inlet mouth, avoids the dust in the operating space to pollute the lubricating oil, but also can block a small amount of lubricating oil that spills over from advancing the oil pipe, dustproof rubber screws through dustproof rubber seat and installs on the anti-return oil inlet mouth in addition, when needs are changed, can screw down dustproof rubber seat at any time and change, both convenient and simple, and is swift again.

(2) The utility model discloses bearing inner race is inside to be equipped with 2 oil collecting chambers, sets up respectively in the ball both sides, has improved lubricating efficiency effectively, is equipped with the sealing washer on the sliding plate in the oil collecting chamber, under the good condition of assurance sealing condition, is favorable to filling and gathering oil of lubricating oil, can also effectively avoid lubricating oil to get into oil collecting chamber upper spring space.

(3) The utility model discloses the inside symmetry of bearing inner race is equipped with 2 and trades oil device, after the bearing produced wearing and tearing, there is impurity entering lubricating oil, lead to lubricated effect to reduce, need only be with the help of external force (thick point iron wire or little bottle opener) to move the current-limiting pearl in the oil device toward inside promotion now, the oil inlet mouth that prevents backward flow continues to fill into lubricating oil to the bearing is inside simultaneously, original lubricating oil is discharged from trading the oil device mouth after changing the pipe from the seal area in the new lubricating oil promotion bearing, the change is finished the back and is loosened the current-limiting pearl, the current-limiting pearl is restoring to the throne in the effect of spring, plug up the export and avoid lubricating oil to reveal in the middle of the bearing, the problem that the inside wearing and tearing of bearing lead to lubricating.

(4) The utility model discloses the setting of dust cover can avoid the dust to get into the seal land from the seal land port, provides one protective screen again for the cleanliness factor of lubricating oil.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

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

FIG. 2 is a schematic view of the structure of the backflow prevention oil inlet nozzle of the present invention;

FIG. 3 is a schematic view of the oil collecting chamber of the present invention;

fig. 4 is a schematic structural view of the oil change device of the present invention.

The reference numbers in the drawings are as follows: 1 is a bearing outer ring; 2 is a bearing inner ring; 3 is a holding bracket; 4 is a ball; 5 is a sealing area; 6 is an anti-backflow oil inlet nozzle; 7 is an oil delivery pipe; 8 is an oil collecting chamber; 9 is an oil changing device; 10 is a dust cover; 11 is a replacement pipe; 62 is an oil inlet pipe; 63 is dustproof rubber; 64 is a dustproof rubber seat; 65 is a steel ball; 66 is a limit tooth; 81 is a spring; 82 is a sliding plate; 83 is a sealing ring; 91 is a flow limiting bead; and 92 is a transverse bolt.

Detailed Description

(example 1)

Referring to fig. 1 to 4, the utility model has a dustproof bearing with self-lubricating and replaceable lubricating oil, which comprises a bearing outer ring 1 and a bearing inner ring 2, the middle part of the bearing outer ring 1 and the bearing inner ring 2 is a sealing area 5, a ball 4 and a holding bracket 3 are arranged in the sealing area 5, a backflow-proof oil inlet nozzle 6 is arranged at the periphery of the bearing outer ring 1, dustproof rubber 63 is arranged at the inlet of the backflow-proof oil inlet nozzle 6, the dustproof rubber 63 is connected with a dustproof rubber seat 64, the dustproof rubber 63 is screwed and installed on the backflow-proof oil inlet nozzle 6 through the dustproof rubber seat 64, an oil inlet pipe 62 is arranged in the middle of the backflow-proof oil inlet nozzle 6, a steel ball 65 and a limit tooth 66 are arranged at the lower end passage of the oil inlet pipe 62, the diameter of the steel ball 65 is larger than the upper part of the oil inlet pipe 62, the diameter of the oil inlet pipe 62 is the same, the oil collecting chamber 8 is internally provided with a spring 81, the lower end of the spring 81 is connected with a sliding plate 82, the sliding plate 82 is provided with a sealing ring 83, the bearing inner ring 2 is internally provided with an oil changing device 9, the oil changing device 9 is internally provided with a current limiting bead 91 and a cross bolt 92, the current limiting bead 91 and the cross bolt 92 are connected through the spring, the sealing area 5 is communicated with the oil changing device 9 through a changing pipe 11, and two ends of the sealing area 5 are provided with dust covers 10.

The utility model discloses a theory of operation does: lubricating oil fills inside the bearing through anti-return oil inlet nozzle 6, after 5 lubricating oils in sealing area are full of, unnecessary lubricating oil gets into both sides collection oil chamber 8, when the lubricating oil in the bearing needs to be changed, need be with the help of external force (thick some iron wire or little bottle opener) with the current-limiting pearl 91 in the device 9 of changing oil to inside promotion, anti-return oil inlet nozzle 6 continues to fill lubricating oil to the bearing inside simultaneously, original lubricating oil in the new lubricating oil promotion bearing is discharged from the device 9 mouth of changing oil after changing pipe 11 from sealing area 5, loosen current-limiting pearl 91 after finishing changing, current-limiting pearl 91 is restoreing in the effect of spring, plug up the export and avoid lubricating oil to reveal in the middle of the bearing.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A dustproof bearing capable of self-lubricating and replacing lubricating oil is provided with a bearing outer ring (1) and a bearing inner ring (2); the middle parts of the bearing outer ring (1) and the bearing inner ring (2) are sealing areas (5); a ball (4) and a holding bracket (3) are arranged in the sealing area (5); the method is characterized in that: the periphery of the bearing outer ring (1) is provided with an anti-backflow oil inlet nozzle (6); dustproof rubber (63) is arranged at the inlet of the backflow-preventing oil inlet nozzle (6); the dustproof rubber (63) is connected with the dustproof rubber seat (64); an oil inlet pipe (62) is arranged in the middle of the anti-backflow oil inlet nozzle (6); a steel ball (65) and a limiting tooth (66) are arranged at a passage at the lower end of the oil inlet pipe (62); an oil collecting chamber (8) is arranged in the bearing outer ring (1); an oil changing device (9) is arranged inside the bearing inner ring (2); dust covers (10) are arranged at two ends of the sealing area (5).

2. The self-lubricating and oil-replaceable dust-proof bearing according to claim 1, wherein: the dustproof rubber (63) is screwed and installed on the backflow-preventing oil inlet nozzle (6) through a dustproof rubber seat (64).

3. The self-lubricating and oil-replaceable dust-proof bearing according to claim 1, wherein: a spring (81) is arranged in the oil collecting chamber (8); the lower end of the spring (81) is connected with a sliding plate (82); and a sealing ring (83) is arranged on the sliding plate (82).

4. The self-lubricating and oil-replaceable dust-proof bearing according to claim 1, wherein: a flow limiting bead (91) and a cross bolt (92) are arranged in the oil changing device (9); the flow limiting bead (91) is connected with the cross bolt (92) through a spring.

5. The self-lubricating and oil-replaceable dust-proof bearing according to claim 1, wherein: the sealing area (5) is communicated with an oil changing device (9) through a changing pipe (11).

6. The self-lubricating and oil-replaceable dust-proof bearing according to claim 1, wherein: the diameter of the steel ball (65) is larger than the diameter of the upper part of the oil inlet pipe (62), the diameter of the lower part of the oil inlet pipe (62) is the same as the diameter of the steel ball (65), and the lower end of the oil inlet pipe (62) is connected with the oil delivery pipe (7).