CN202790138U

CN202790138U - Self-lubricating bearing

Info

Publication number: CN202790138U
Application number: CN 201220473218
Authority: CN
Inventors: 胡旭辉
Original assignee: NINGBO SUNTHAI BEARING CO Ltd
Current assignee: NINGBO SUNTHAI BEARING CO Ltd
Priority date: 2012-09-12
Filing date: 2012-09-12
Publication date: 2013-03-13
Anticipated expiration: 2022-09-12

Abstract

The utility model relates to a self-lubricating bearing. The self-lubricating bearing comprises a bearing outer member (1) and a bearing inner ring (2) matched with the bearing outer member (1), wherein the periphery of the bearing inner ring (2) is a spherical surface, the bearing outer member (1) comprises an upper bearing seat (11) and a lower bearing seat (12), of which the internal walls are respectively cambered faces, an upper lubricating block (3), of which the shape is matched with the periphery of the bearing inner ring (2), is clamped between the top of the bearing inner ring (2) and the internal wall of the upper bearing seat (11), a lower lubricating block (4), of which the shape is matched with the periphery of the bearing inner ring (2), is clamped between the bottom of the bearing inner ring (2) and the internal wall of the lower bearing seat (12), and an oil filling hole (5), which enables lubricating oil to pass through the bearing seat (11) and enter the internal wall of the upper lubricating block (3), is formed in the upper lubricating block (3). The self-lubricating bearing has the advantages that the bearing outer member comprises the upper bearing seat and the lower bearing seat, so that the bearing can be very conveniently mounted; and due to the arrangement of the oil filling hole, the self-lubricating role of the bearing can be further improved, so that the use of the bearing is enabled to be more flexible, and the service life of the bearing is longer.

Description

A kind of self oiling bearing

Technical field

The utility model relates to a kind of bearing manufacture technology field, especially refers to a kind of self oiling bearing.

Background technique

Existing a kind of patent No. is that Chinese utility model patent that the CN200520128300.4 name is called " self oiling bearing " discloses and a kind ofly has oily line and can self-lubricated self oiling bearing at bearing support, comprise the outer part of bearing, the bearing internals that match with the outer part of bearing, the internal surface of part has oily line outside bearing, and the outer surface of part is drilled with oilhole outside bearing, oilhole and oily line connect, its advantage is that wear resistance is good, easy to use, but its complex structure, processing inconvenience, so its structure is further improved.

The model utility content

Technical problem to be solved in the utility model is that a kind of ingenious, as to use flexible and long service life a kind of self oiling bearing that designs is provided for above-mentioned prior art present situation.

The utility model solves the problems of the technologies described above the technological scheme that adopts: this self oiling bearing, comprise the outer part of bearing, the bearing inner race that matches with the outer part of bearing, it is characterized in that: the periphery of described bearing inner race is sphere, the outer part of described bearing comprises that inwall is respectively upper bearing bracket and the step of cambered surface, between the top of described bearing inner race and upper bearing bracket inwall, be gripped with the suitable upper lubricated piece of shape and bearing inner race periphery, and between the bottom of bearing inner race and step inwall, be gripped with the suitable lower lubricated piece of shape and bearing inner race periphery, and be provided with the oil hole that lubricant oil can be entered into through upper bearing bracket on the lubricated piece inwall at described lubricated piece, described bearing inner race can place cambered surface between upper bearing bracket and the step with lubricated piece up and down with swinging.

As improvement, being provided with the concrete structure that lubricant oil can be entered into the oil hole on the upper lubricated piece inwall through upper bearing bracket on the described lubricated piece is: be convexly equipped with at described bearing inner race end face and be equipped with the oiling post, described oiling post upwards passes the perforate at through hole, upper bearing bracket top at lubricated piece top and the outside of extending upper bearing bracket successively, described oil hole is arranged in the inner chamber of oiling post, and the import of oil hole is positioned at the end face of oiling post, and the outlet of oil hole is between the outer circumferential face of upper lubricated piece inwall and bearing inner race.

As improvement, described upper bearing bracket the right and left extends for fixing upper lug, described step the right and left also extends with upper lug is corresponding up and down and is used for fixing lower lug, has up and down upper fixed hole and lower fixed hole for the fixed block insertion on corresponding upper lug and the lower lug.

As improvement, described bearing inner race is comprised of with internal layer outer, and described outer field periphery is sphere, and interior hole shape and the stationary axle of described internal layer are suitable, and passes through interference fit between described skin and the internal layer and fixed with each other.

Compared with prior art, the periphery of described bearing inner race is sphere, the outer part of described bearing comprises that inwall is respectively upper bearing bracket and the step of cambered surface, between the top of described bearing inner race and upper bearing bracket inwall, be gripped with the suitable upper lubricated piece of shape and bearing inner race periphery, and between the bottom of bearing inner race and step inwall, be gripped with the suitable lower lubricated piece of shape and bearing inner race periphery, and be provided with the oil hole that lubricant oil can be entered into through upper bearing bracket on the lubricated piece inwall at described lubricated piece, described bearing inner race can place cambered surface between upper bearing bracket and the step with lubricated piece up and down with swinging.The advantage of this design is that the outer part of described bearing comprises upper bearing bracket and step, makes the installation of bearing very convenient, because the setting of oil hole can make bearing further improve the effect of selflubricating, thereby guarantees that the bearing use is more flexible, the life-span is also longer.

Description of drawings

Fig. 1 is the utility model embodiment's structural perspective;

Fig. 2 is the exploded view of Fig. 1;

Fig. 3 is the plan view of Fig. 1;

Fig. 4 is along the sectional view of A-A line among Fig. 3.

Embodiment

Below in conjunction with embodiment the utility model is described in further detail.

1, Fig. 1 is to the self oiling bearing of present embodiment shown in Figure 4, comprise the outer part 1 of bearing, the bearing inner race 2 that matches with the outer part 1 of bearing, described bearing inner race 2 forms with internal layer 22 by outer 21, described outer 21 periphery is sphere, and interior hole shape and the stationary axle of described internal layer 22 are suitable, internal layer 22 is made by self-lubricating composite, and described outer 21 and internal layer 22 between by interference fit and fixed with each other; The outer part 1 of described bearing comprises that inwall is respectively the upper bearing bracket 11 and step 12 of cambered surface, described upper bearing bracket 11 the right and lefts extend for fixing upper lug 112, described step 12 the right and lefts also extend with upper lug is corresponding about in the of 112 and are used for fixing lower lug 121, have the upper fixed hole 113 and lower fixed hole 122 that inserts for fixed block on corresponding upper lug 112 and the lower lug 121 up and down; And between the top of bearing inner race 2 and upper bearing bracket 11 inwalls, be gripped with the suitable upper lubricated piece 3 of shape and bearing inner race 2 peripheries, and between the bottom of bearing inner race 2 and step 12 inwalls, be gripped with the suitable lower lubricated piece 4 of shape and bearing inner race 2 peripheries, and be provided with the oil hole 5 that lubricant oil can be entered into through upper bearing bracket 11 on lubricated piece 3 inwalls at described lubricated piece 3, the concrete structure of described oil hole 5 is: be convexly equipped with at described bearing inner race 2 end faces and be equipped with oiling post 23, described oiling post 23 upwards passes the through hole 31 at lubricated piece 3 tops successively, the perforate 111 at upper bearing bracket 11 tops and the outside of extending upper bearing bracket 11, described oil hole 5 is arranged in the inner chamber of oiling post 23, and the import of oil hole 5 is positioned at the end face of oiling post 23, and the outlet of oil hole 5 is between the outer circumferential face of upper lubricated piece 11 inwalls and bearing inner race 2.Described bearing inner race 2 with lubricating up and down piece 3,4 cambered surfaces that can place between upper bearing bracket 11 and the step 12 with swinging.

Claims

1. self oiling bearing, comprise the outer part (1) of bearing, the bearing inner race (2) that matches with the outer part (1) of bearing, it is characterized in that: the periphery of described bearing inner race (2) is sphere, the outer part (1) of described bearing comprises that inwall is respectively the upper bearing bracket of cambered surface (11) and step (12), between the top of described bearing inner race (2) and upper bearing bracket (11) inwall, be gripped with the suitable upper lubricated piece (3) of shape and bearing inner race (2) periphery, and between the bottom of bearing inner race (2) and step (12) inwall, be gripped with the suitable lower lubricated piece (4) of shape and bearing inner race (2) periphery, and be provided with the oil hole (5) that lubricant oil can be entered into through upper bearing bracket (11) on upper lubricated piece (3) inwall at described lubricated piece (3), described bearing inner race (2) and lubricated piece (3 up and down, 4) can place together cambered surface between upper bearing bracket (11) and the step (12) with swinging.

2. self oiling bearing according to claim 1, it is characterized in that: being provided with the concrete structure that lubricant oil can be entered into the oil hole (5) on upper lubricated piece (3) inwall through upper bearing bracket (11) on the described lubricated piece (3) is: be convexly equipped with at described bearing inner race (2) end face and be equipped with oiling post (23), described oiling post (23) upwards passes the through hole (31) at lubricated piece (3) top successively, the perforate (111) at upper bearing bracket (11) top and extend the outside of upper bearing bracket (11), described oil hole (5) is arranged in the inner chamber of oiling post (23), and the import of oil hole (5) is positioned at the end face of oiling post (23), and the outlet of oil hole (5) is positioned between the outer circumferential face of lubricated piece (3) inwall and bearing inner race (2).

3. self oiling bearing according to claim 2, it is characterized in that: described upper bearing bracket (11) the right and left extends for fixing upper lug (112), described step (12) the right and left also extends with upper lug (112) is corresponding up and down and is used for fixing lower lug (121), has the upper fixed hole (113) and lower fixed hole (122) that inserts for fixed block on corresponding upper lug (112) and the lower lug (121) up and down.

4. according to claim 1 and 2 or 3 described self oiling bearings, it is characterized in that: described bearing inner race (2) is comprised of outer (21) and internal layer (22), the periphery of described skin (21) is sphere, and interior hole shape and the stationary axle of described internal layer (22) are suitable, and between described skin (21) and the internal layer (22) by interference fit and fixed with each other.