CN210196280U

CN210196280U - Lubricating system for bearing on eccentric shaft

Info

Publication number: CN210196280U
Application number: CN201920943986.4U
Authority: CN
Inventors: Kang Wang; 王康
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-03-27
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a lubricating system for a bearing on an eccentric shaft, wherein the eccentric shaft is provided with a concentric shaft section and an eccentric shaft section; the first bearing is fixed on the concentric shaft section, the first bearing seat is sleeved on the outer peripheral side of the first bearing, and the first bearing is sealed in the first bearing seat by the first bearing through cover to form a first lubricating chamber; the second bearing is fixed on the eccentric shaft section, the second bearing seat is sleeved on the outer peripheral side of the second bearing, and the second bearing is sealed in the second bearing seat by the second bearing through cover to form a second lubricating chamber; the oil way communicating piece is sleeved at the joint of the concentric shaft section and the eccentric shaft section, and an oil way for communicating the first lubricating chamber with the second lubricating chamber is arranged in the oil way communicating piece; an oil filling port communicated with the second lubricating cavity is formed in the second bearing seat. The utility model provides a many and the unable problem of filling with of lubricating oil of lubricated oiling mouth alone among the prior art. The technical effects achieved are as follows: the lubricating oil in the oil filling port and each bearing is reduced to reach a full state.

Description

Lubricating system for bearing on eccentric shaft

Technical Field

The embodiment of the utility model provides a relate to jaw breaker lubricating arrangement technical field, concretely relates to lubricating system of bearing on eccentric shaft.

Background

At present, the eccentric shaft is used commonly on the movable jaw body of jaw breaker, and the lubricating system of eccentric shaft is the mode of a plurality of bearings individual lubrication on the jaw breaker among the prior art, is about to pour into lubricating oil alone after every bearing seals into, has a plurality of oiling mouths on whole eccentric shaft, during the use, needs every oiling mouth all to pour into lubricating oil into, and the shortcoming of existence is: forget easily to certain oiling mouth oiling, the more processing degree of difficulty of oiling mouth is big, and the unable smooth and easy discharge of the inside air of lubricating oil cavity can't guarantee to fill lubricating oil in the lubricating oil cavity, and oiling operation process is complicated.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a lubricating system of bearing on eccentric shaft to solve among the prior art many, the unable smooth and easy discharge of inside air of single lubrication oiling mouth and can't guarantee to fill the problem of lubricating oil.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

according to the embodiment of the utility model discloses in the first aspect, a lubricating system of bearing on eccentric shaft, including eccentric shaft, first bearing frame, first bearing pass through lid, second bearing frame, second bearing pass through lid and oil circuit intercommunication piece; the eccentric shaft is provided with a concentric shaft section and an eccentric shaft section; the first bearing is fixed on the concentric shaft section, the first bearing seat is sleeved on the outer peripheral side of the first bearing, and the first bearing is sealed in the first bearing seat by the first bearing through cover to form a first lubricating chamber; the second bearing is fixed on the eccentric shaft section, the second bearing seat is sleeved on the outer peripheral side of the second bearing, and the second bearing is sealed in the second bearing seat by the second bearing through cover to form a second lubricating chamber; the oil way communicating piece is sleeved at the joint of the concentric shaft section and the eccentric shaft section, and an oil way for communicating the first lubricating chamber with the second lubricating chamber is arranged in the oil way communicating piece; an oil filling port communicated with the second lubricating cavity is formed in the second bearing seat.

Further, still include first sealing washer, first sealing washer sets up in the second bearing frame, has seted up annular groove on the first sealing washer, and the one end butt that sets up annular groove of first sealing washer is on the terminal surface of second bearing, and the annular groove just faces the roller of second bearing, annular groove and oiling mouth intercommunication.

Furthermore, the bearing assembly further comprises a first blocking ring and a second sealing ring, one end face of the first blocking ring penetrates through the first bearing transparent cover and abuts against the bearing inner ring of the first bearing, the first blocking ring is in threaded connection with the concentric shaft section, and the second sealing ring is arranged between the outer peripheral side of the first blocking ring and the first bearing transparent cover.

Furthermore, the shaft further comprises a second retaining ring, the second retaining ring is in threaded connection with the concentric shaft section, and one end face of the second retaining ring abuts against the first retaining ring.

Furthermore, the lubricating device further comprises a third baffle ring, one end face of the third baffle ring penetrates through the second bearing through cover and abuts against the bearing inner ring of the second bearing, the third baffle ring is in threaded connection with the eccentric shaft section, and one end of the oil path communicating piece is sleeved on the outer peripheral side of the third baffle ring and penetrates through the second bearing through cover to be communicated with the second lubricating chamber.

Further, still include the third sealing washer, oil circuit intercommunication piece wears to establish and is provided with the third sealing washer between the periphery side of one end in the second bearing passes through the lid and the second bearing passes through the lid.

Further, still include the fourth sealing washer, the oil circuit intercommunication piece is worn to establish and is provided with the fourth sealing washer between the periphery side of one end in the first bearing frame and the first bearing frame.

Further, the first bearing and the second bearing are both double-row roller bearings.

Furthermore, an oil passage for communicating the first lubricating chamber and the second lubricating chamber in the oil passage communicating piece is a revolving body passage with a step-shaped section.

Furthermore, the first sealing ring, the second sealing ring, the third sealing ring and the fourth sealing ring are all made of rubber through integral forming.

The utility model has the advantages of as follows: through the utility model discloses, realized the intercommunication of the lubricated cavity between a plurality of bearings on the eccentric shaft, reduced the quantity of oiling mouth, only can realize through an oiling mouth that a plurality of bearing lubrication cavities pour into lubricating oil into, lubricating oil in all bearing lubrication cavities of assurance is in annotating the full state, helps the air escape in the cavity of will lubricating, has improved oiling efficiency, has guaranteed the stable rotation of each rotatable parts.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a cross-sectional view of a lubrication system for a bearing on an eccentric shaft according to embodiment 1 of the present invention.

Fig. 2 is a perspective sectional view of a lubrication system of a bearing on an eccentric shaft according to embodiment 1 of the present invention.

In the figure: 1. eccentric shaft, 2, second fender ring, 3, first fender ring, 4, first bearing pass through the lid, 5, first bearing seat, 6, first bearing, 7, oil circuit intercommunication piece, 8, third fender ring, 9, second bearing pass through the lid, 10, second bearing, 11, second bearing seat, 12, first sealing washer, 13, oiling mouth, 14, second sealing washer, 15, fourth sealing washer, 16, third sealing washer.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Example 1

As shown in fig. 1 and fig. 2, the lubricating system for the bearing on the eccentric shaft in the present embodiment includes an eccentric shaft 1, a first bearing seat 5, a first bearing 6, a first bearing seat transparent cover 4, a second bearing seat 11, a second bearing 10, a second bearing transparent cover 9 and an oil passage communicating member 7; the eccentric shaft 1 is provided with a concentric shaft section and an eccentric shaft section, the concentric shaft section and the eccentric shaft section both use a shaft head of the eccentric shaft 1 as a reference, the concentric shaft section refers to a part of which the axis and the shaft head of the eccentric shaft 1 are coaxial, and the eccentric shaft section refers to a part of which the axis and the shaft head axis of the eccentric shaft 1 have a certain distance; the first bearing 6 is fixed on the concentric shaft section in a mode of transition fit between an inner ring of the first bearing 6 and the concentric shaft section, the first bearing seat 5 is sleeved on the outer peripheral side of the first bearing 6, the outer ring of the first bearing 6 and the first bearing seat 5 are in transition fit in a fixing mode, the first bearing seat transparent cover 4 seals the first bearing 6 in the first bearing seat 5 to form a first lubricating chamber, a sealing element is arranged between the first bearing seat transparent cover 4 and the eccentric shaft 1, and a sealing element is also arranged between the eccentric shaft 1 of the first bearing seat 5; the second bearing 10 is fixed on the eccentric shaft section in a mode of transition fit between an inner ring of the second bearing 10 and the eccentric shaft section, the second bearing seat 11 is sleeved on the outer peripheral side of the second bearing 10 in a mode of transition fit between an outer ring of the second bearing 10 and the second bearing seat 11, the second bearing transparent cover 9 seals the second bearing 10 in the second bearing seat 11 to form a second lubricating chamber, and a sealing element is arranged between the second bearing transparent cover 9 and the eccentric shaft 1; the oil way communicating piece 7 is sleeved at the joint of the concentric shaft section and the eccentric shaft section, the oil way communicating piece 7 is a revolving body with a Z-shaped step-shaped cross section, one end of the oil way communicating piece 7 penetrates through the second bearing through cover 9 and extends into the second lubricating cavity, two ends of the oil way communicating piece 7 penetrate through the first bearing block 5 and extend into the first lubricating cavity, and an oil way for communicating the first lubricating cavity with the second lubricating cavity is arranged inside the oil way communicating piece 7; an oil filling port 13 communicated with the second lubricating cavity is formed in the second bearing seat 11, and preferably, the oil filling port 13 is a circular hole.

The technical effect that this embodiment reaches does: through this embodiment, realized the intercommunication of the lubricated cavity between the a plurality of bearings on the eccentric shaft 1, reduced the quantity of oiling mouth 13, only can realize through an oiling mouth 13 that a plurality of bearing lubrication cavities pour into lubricating oil, the lubricating oil in all bearing lubrication cavities of assurance is in the full state of notes, helps the air escape in the cavity of will lubricating, has improved oiling efficiency, has guaranteed the stable rotation of each rotatable parts.

Example 2

As shown in fig. 1 and fig. 2, the lubricating system for a bearing on an eccentric shaft in the present embodiment includes all the technical features of embodiment 1, and in addition, further includes a first seal ring 12, the first seal ring 12 is disposed in a second bearing seat 11, an annular groove is disposed on the first seal ring 12, one end of the first seal ring 12, on which the annular groove is disposed, abuts against an end surface of the second bearing 10, the annular groove faces a roller of the second bearing 10, and a through hole communicated with an oil filling port 13 is disposed on the annular groove; the bearing assembly further comprises a first baffle ring 3 and a second sealing ring 14, one end face of the first baffle ring 3 penetrates through the first bearing seat transparent cover 4 and abuts against the bearing inner ring of the first bearing 6, the first baffle ring 3 is in threaded connection with the concentric shaft section, and the second sealing ring 14 is arranged between the outer peripheral side of the first baffle ring 3 and the first bearing seat transparent cover 4; the shaft is characterized by further comprising a second baffle ring 2, wherein the second baffle ring 2 is in threaded connection with the concentric shaft section, and one end face of the second baffle ring 2 abuts against the first baffle ring 3; the lubricating device further comprises a third baffle ring 8, one end face of the third baffle ring 8 penetrates through the second bearing through cover 9 and abuts against the bearing inner ring of the second bearing 10, the third baffle ring 8 is in threaded connection with the eccentric shaft section, and one end of the oil path communicating piece 7 is sleeved on the outer peripheral side of the third baffle ring 8 and penetrates through the second bearing through cover 9 to be communicated with the second lubricating chamber; the oil way communication piece 7 is arranged between the outer peripheral side of one end in the second bearing through cover 9 and the second bearing through cover 9 in a penetrating way, and a third sealing ring 16 is arranged; the oil way communication piece 7 is arranged between the outer peripheral side of one end in the first bearing seat 5 in a penetrating manner and the first bearing seat 5, and the fourth sealing ring 15 is arranged; in this embodiment, the first baffle ring 3, the second baffle ring 2 and the third baffle ring 8 can be made of metal, smooth chamfers are respectively arranged at the connection positions of the first baffle ring 3 and the second baffle ring 2, the first baffle ring 3 is a revolving body with an L-shaped cross section, and the second baffle ring 2 and the third baffle ring 8 are revolving bodies with rectangular cross sections; an annular oil path groove is arranged in a groove where the first bearing seat 5 is contacted with the first bearing 6, and the annular oil path groove is communicated with an oil path in the oil path communicating piece 7; an oil outlet is formed in the first bearing seat transparent cover 4, and the shape of the oil outlet can be a round hole.

In a specific embodiment, the oil passage communicating the first lubrication chamber and the second lubrication chamber inside the oil passage communicating member 7 is a channel of a revolution body having a stepped cross section.

The beneficial effects in this embodiment are: by arranging the first sealing ring 12, the second sealing ring 14, the third sealing ring 16 and the fourth sealing ring 15, the sealing performance of the first lubricating cavity and the second lubricating cavity is improved, and the oil leakage is reduced; by providing the first slinger 3, axial bouncing of the first bearing 6 is reduced; the second retaining ring 2 is arranged, so that the looseness possibly generated by the first retaining ring 3 is reduced; by providing the third slinger 8, axial bouncing of the second bearing 10 is reduced; the oil way in the oil way communicating piece 7 is set to be a step-type revolving body channel, so that the consistency of the wall thickness of all parts of the oil way communicating piece 7 is ensured, and the damage of the oil way communicating piece 7 caused by the inconsistency of the wall thickness is reduced.

Example 3

The lubricating system for the bearing on the eccentric shaft in the embodiment comprises all the technical characteristics in the embodiment 2, and in addition, the first bearing 6 and the second bearing 10 are both double-row roller bearings; besides, the first bearing 6 and the second bearing 10 may be any type of bearings such as a deep groove ball bearing or a tapered roller bearing; the first sealing ring 12, the second sealing ring 14, the third sealing ring 16 and the fourth sealing ring 15 are all made of rubber through integral molding.

The beneficial effects in this embodiment are: by defining the first bearing 6 and the second bearing 10 as double-row roller bearings, the eccentric shaft 1 is more stable when rotating, reducing circumferential leap of the eccentric shaft 1; the first sealing ring 12, the second sealing ring 14, the third sealing ring 16 and the fourth sealing ring 15 are integrally formed by rubber, so that the sealing effect is good, the quality of a bearing lubricating system on the eccentric shaft is reduced, and the service life is long.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Claims

1. A lubricating system for a bearing on an eccentric shaft is characterized by comprising the eccentric shaft (1), a first bearing seat (5), a first bearing (6), a first bearing transparent cover (4), a second bearing seat (11), a second bearing (10), a second bearing transparent cover (9) and an oil way communicating piece (7); the eccentric shaft (1) is provided with a concentric shaft section and an eccentric shaft section; the first bearing (6) is fixed on the concentric shaft section, the first bearing seat (5) is sleeved on the outer peripheral side of the first bearing (6), and the first bearing through cover (4) seals the first bearing (6) in the first bearing seat (5) to form a first lubricating chamber; the second bearing (10) is fixed on the eccentric shaft section, the second bearing seat (11) is sleeved on the outer peripheral side of the second bearing (10), and the second bearing transparent cover (9) seals the second bearing (10) in the second bearing seat (11) to form a second lubricating chamber; the oil path communicating piece (7) is sleeved at the joint of the concentric shaft section and the eccentric shaft section, and an oil path for communicating the first lubricating chamber with the second lubricating chamber is arranged in the oil path communicating piece (7); an oil filling port (13) communicated with the second lubricating cavity is formed in the second bearing seat (11).

2. The lubrication system for the bearing on the eccentric shaft according to claim 1, further comprising a first seal ring (12), wherein the first seal ring (12) is disposed in the second bearing seat (11), the first seal ring (12) is provided with an annular groove, one end of the first seal ring (12) provided with the annular groove abuts against an end surface of the second bearing (10), the annular groove faces the roller of the second bearing (10), and the annular groove is communicated with the oil injection port (13).

3. The lubrication system for the bearing on the eccentric shaft according to claim 2, further comprising a first baffle ring (3) and a second seal ring (14), wherein one end surface of the first baffle ring (3) passes through the first bearing transparent cover (4) and abuts on the bearing inner ring of the first bearing (6), the first baffle ring (3) is screwed on the concentric shaft section, and the second seal ring (14) is arranged between the outer peripheral side of the first baffle ring (3) and the first bearing transparent cover (4).

4. A lubrication system for a bearing on an eccentric shaft according to claim 3, further comprising a second retainer ring (2), said second retainer ring (2) being threaded onto said concentric shaft section, one end face of said second retainer ring (2) abutting on said first retainer ring (3).

5. The system for lubricating a bearing on an eccentric shaft according to claim 4, further comprising a third baffle ring (8), wherein one end surface of the third baffle ring (8) passes through the second bearing transparent cover (9) and abuts on the bearing inner ring of the second bearing (10), the third baffle ring (8) is in threaded connection with the eccentric shaft section, and one end of the oil path communicating member (7) is sleeved on the outer peripheral side of the third baffle ring (8) and is communicated with the second lubricating chamber through the second bearing transparent cover (9).

6. The lubrication system for the bearing on the eccentric shaft according to claim 5, further comprising a third seal ring (16), wherein the oil passage communication member (7) is arranged between the outer peripheral side of one end in the second bearing through cover (9) and the second bearing through cover (9) in a penetrating manner, and the third seal ring (16) is arranged.

7. The lubrication system for the bearing on the eccentric shaft according to claim 6, further comprising a fourth seal ring (15), wherein the oil passage communication member (7) is provided with the fourth seal ring (15) between an outer peripheral side of one end penetrating in the first bearing seat (5) and the first bearing seat (5).

8. Lubrication system of a bearing on an eccentric shaft according to claim 1, characterised in that said first bearing (6) and said second bearing (10) are both double row roller bearings.

9. The lubrication system for a bearing on an eccentric shaft according to claim 1, wherein an oil passage inside said oil passage communication member (7) communicating said first lubrication chamber and said second lubrication chamber is a channel of a body of revolution whose cross section is stepped.

10. The lubrication system for bearings on eccentric shafts according to claim 7, wherein said first seal ring (12), said second seal ring (14), said third seal ring (16) and said fourth seal ring (15) are all made of rubber by integral molding.