CN216343461U

CN216343461U - Oil leakage prevention structure for integrated bearing

Info

Publication number: CN216343461U
Application number: CN202122713799.7U
Authority: CN
Inventors: 管震超; 段英霞; 陈丽
Original assignee: Linqing Xinghe Bearing Co ltd
Current assignee: Linqing Xinghe Bearing Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-19
Anticipated expiration: 2031-11-08

Abstract

The utility model provides an oil leakage prevention structure for an integrated bearing, which comprises a bearing body, wherein the bearing body comprises a bearing outer ring and a shaft sleeve, the bearing outer ring is sleeved outside the shaft sleeve, a plurality of supporting balls are embedded between the bearing outer ring and the shaft sleeve, a limiting frame is embedded on one side of each supporting ball together, the limiting frame is embedded between the bearing outer ring and the shaft sleeve, and two ends of a gap between the bearing outer ring and the shaft sleeve are respectively embedded with a dustproof cover. In the utility model, the inner groove of the oil guide assembly is filled with gas by using the injector, so that the side air bags at two sides of the inner check ring are respectively and tightly attached to the inner surface of the bearing outer ring and the outer surface of the shaft sleeve, and then the dustproof cover is pressed by using the injector to directly buckle into the gap between the bearing outer ring and the shaft sleeve.

Description

Oil leakage prevention structure for integrated bearing

Technical Field

The utility model relates to the technical field of integrated bearings, in particular to an oil leakage prevention structure for an integrated bearing.

Background

An organic whole bearing, as the name implies, be exactly direct ann on the bearing, let axle sleeve and bearing combine together, it is convenient relatively to install to the bearing outside is direct protruding in bearing surface, has saved the gasket. The complexity of firstly installing a bearing, then placing a shaft sleeve, then installing another bearing and adding a gasket is avoided. The two bearings are directly installed. This is the most intuitive distinction, the large mass of a long plate wheel, the large use of a monolithic shaft, can better increase the stability between the wheel bearings.

At present, the integrative bearing that uses on the current rectangular plate often after having replenished lubricating oil, the fluid that exists in the bearing inboard when the installation shield can leak along the gap to lead to the waste of a large amount of fluid, and the structure of being equipped with on the current integrative bearing can't be to unnecessary lubricating oil recycle as far as possible.

Therefore, it is necessary to provide an oil leakage prevention structure for an integral bearing to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an oil leakage prevention structure for an integrated bearing.

In order to solve the technical problem, the oil leakage preventing structure for the integrated bearing comprises a bearing body, wherein the bearing body comprises a bearing outer ring and a shaft sleeve, the bearing outer ring is sleeved outside the shaft sleeve, a plurality of supporting balls are embedded between the bearing outer ring and the shaft sleeve, a limiting frame is embedded on one side of each supporting ball, the limiting frame is embedded between the bearing outer ring and the shaft sleeve, dust covers are embedded at two ends of a gap between the bearing outer ring and the shaft sleeve, and oil guide assemblies are arranged on the inner sides of the two dust covers.

Preferably, lead oily subassembly and include oil leakage groove, installation screw, interior retaining ring, the internal surface of shield is seted up to the installation screw, and the surface of installation screw and shield link up each other, the surface of axle sleeve is evenly seted up to the installation screw, and the installation screw is located between two shields, interior retaining ring is located the inboard of shield, the position that the surface of interior retaining ring corresponds the installation screw is provided with the air cock, and interference fit between air cock and the installation screw, the inside groove has been seted up to the inboard of interior retaining ring, and the air cock link up each other with the inside groove, the equal fixedly connected with side airbag of the inside and outside edge of interior retaining ring.

Preferably, the mounting screw hole is in threaded connection with a screw head, and one end of the screw head, which is far away from the air faucet, is fixedly connected with a rotating head.

Preferably, every two adjacent oil leakage grooves are arranged in a staggered mode.

Preferably, the inner retainer ring is sleeved on the outer side of the shaft sleeve.

Preferably, two the edges of the dust covers close to the bearing outer ring are provided with chamfers.

Compared with the related art, the oil leakage prevention structure for the integrated bearing provided by the utility model has the following beneficial effects:

(1) the utility model provides an oil leakage prevention structure for an integrated bearing, which is characterized in that gas is filled into an inner groove of an oil guide assembly by using an injector, side air bags on two sides of an inner retainer ring are respectively tightly attached to the inner surface of a bearing outer ring and the outer surface of a shaft sleeve, then a dustproof cover is pressed by the injector and is directly buckled into a gap between the bearing outer ring and the shaft sleeve, and in the process, because the side air bags on two sides of the inner retainer ring are respectively tightly attached to the inner surface of the bearing outer ring and the outer surface of the shaft sleeve, oil liquid seeped out through the gap between the side dustproof cover and the bearing outer ring as well as the shaft sleeve can be greatly reduced.

(2) After the side air bags on the two sides are respectively and tightly attached to the inner surface of the bearing outer ring and the outer surface of the shaft sleeve, redundant oil on the inner side of the bearing body permeates into the inner side of the shaft sleeve through the oil leaking groove part under the action of pressure so as to lubricate the inner wall of the shaft sleeve, the shaft sleeve is conveniently sleeved on the surface of a shaft rod, and waste of lubricating oil is avoided.

Drawings

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

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

FIG. 3 is a schematic view of the inner retainer ring structure of the present invention;

FIG. 4 is a schematic view of the structure at position A of the present invention.

Reference numbers in the figures: 1. a bearing body; 101. a bearing outer race; 102. a shaft sleeve; 103. a limiting frame; 104. supporting the balls; 105. a dust cover; 106. an oil leakage groove; 107. mounting a screw hole; 2. a screw head; 201. turning the head; 3. an inner retainer ring; 301. an air tap; 302. an inner tank; 4. a side air bag.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1-4, an oil leakage preventing structure for an integrated bearing includes a bearing body 1, the bearing body 1 includes a bearing outer ring 101 and a shaft sleeve 102, the bearing outer ring 101 is sleeved outside the shaft sleeve 102, a plurality of supporting balls 104 are embedded between the bearing outer ring 101 and the shaft sleeve 102, a limiting frame 103 is embedded on one side of each supporting ball 104, the limiting frame 103 is embedded between the bearing outer ring 101 and the shaft sleeve 102, dust caps 105 are embedded on two ends of a gap between the bearing outer ring 101 and the shaft sleeve 102, oil guiding components are disposed on inner sides of the two dust caps 105, lubricating oil can be added between the bearing outer ring 101 and the shaft sleeve 102 by opening the dust caps 105 on any side of the bearing body 1, after the lubricating oil permeates between each supporting ball 104 and the limiting frame 103, the opened dust caps 105 are prepared to be covered again, and gas is filled into an inner groove 302 of the oil guiding components by a syringe, make the side gasbag 4 of interior retaining ring 3 both sides hug closely respectively and close bearing inner race 101 internal surface and axle sleeve 102 surface, press shield 105 through the syringe afterwards, make shield 105 directly buckle the clearance of bearing inner race 101 and axle sleeve 102, in this in-process, because the side gasbag 4 of interior retaining ring 3 both sides hugs closely respectively and closes bearing inner race 101 internal surface and axle sleeve 102 surface, consequently, the oil liquid that seeps through this side shield 105 and bearing inner race 101 and axle sleeve 102 clearance can significantly reduce, unnecessary fluid passes through the inboard of oil leak groove 106 part infiltration axle sleeve 102 under the effect of pressure simultaneously, so that lubricate the inner wall of axle sleeve 102, thereby make things convenient for axle sleeve 102 to overlap in the axostylus axostyle surface, the waste of lubricating oil has been avoided.

In a further scheme, the oil guide assembly comprises an oil leakage groove 106, mounting screw holes 107 and an inner retainer ring 3, the mounting screw holes 107 are arranged on the inner surface of the dust covers 105, the mounting screw holes 107 are communicated with the outer surfaces of the dust covers 105, the mounting screw holes 107 are uniformly arranged on the outer surface of the shaft sleeve 102, the mounting screw holes 107 are positioned between the two dust covers 105, the inner retainer ring 3 is positioned on the inner side of the dust covers 105, the outer surface of the inner retainer ring 3 is provided with an air nozzle 301 corresponding to the mounting screw holes 107, the air nozzle 301 is in interference fit with the mounting screw holes 107, the inner side of the inner retainer ring 3 is provided with an inner groove 302, the air nozzle 301 is communicated with the inner groove 302, the inner edge and the outer edge of the inner retainer ring 3 are fixedly connected with side air bags 4,

by adopting the technical scheme, the inner groove 302 of the oil guide assembly is filled with gas by using the injector, the side air bags 4 at two sides of the inner retainer ring 3 are respectively tightly attached to the inner surface of the outer ring 101 of the bearing and the outer surface of the shaft sleeve 102, then the dust cover 105 is pressed by the injector, and the dust cover 105 is directly buckled into the gap between the outer ring 101 of the bearing and the shaft sleeve 102, in the process, because the side air bags 4 at two sides of the inner retainer ring 3 are respectively tightly attached to the inner surface of the outer ring 101 of the bearing and the outer surface of the shaft sleeve 102, the oil leaked through the gap between the dust cover 105 of the side and the outer ring 101 of the bearing and the shaft sleeve 102 is greatly reduced, and meanwhile, redundant oil partially permeates into the inner side of the shaft sleeve 102 through the oil leakage groove 106 under the action of pressure, so as to lubricate the inner wall of the shaft sleeve 102, thereby facilitating the sleeve 102 to be sleeved on the surface of the shaft sleeve 102 and avoiding the waste of lubricating oil.

In a further scheme, the mounting screw hole 107 is connected with a screw head 2 in a threaded manner, one end of the screw head 2 far away from the air tap 301 is fixedly connected with a rotating head 201,

by adopting the technical scheme, after the dust cover 105 is installed and the side airbag 4 loses air due to extrusion, the screw head 2 is screwed in the installation screw hole 107 by screwing the rotary head 201, so that sundries entering the installation screw hole 107 and the inner side of the inner groove 302 are avoided.

In a further scheme, every two adjacent oil leakage grooves 106 are arranged in a staggered mode,

by adopting the technical scheme, the oil leakage groove 106 is convenient to be arranged, and the influence on the strength of the shaft sleeve 102 is reduced as much as possible.

In a further proposal, the inner retainer ring 3 is sleeved outside the shaft sleeve 102,

by adopting the technical scheme, the side airbag 4 positioned at the inner side of the inner retainer ring 3 can be conveniently and directly attached to the outer surface of the shaft sleeve 102 after being expanded.

In a further scheme, chamfers are arranged at the edges of the two dustproof covers 105 close to the bearing outer ring 101,

through adopting above-mentioned technical scheme, the setting of shield 105 outside chamfer can make things convenient for the staff to pick up shield 105.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an oil leakage prevention structure for integrative bearing, its characterized in that, includes bearing body (1), bearing body (1) includes bearing inner race (101), axle sleeve (102), the outside of axle sleeve (102) is located to bearing inner race (101) cover, it is equipped with a plurality of support balls (104) to inlay between bearing inner race (101) and axle sleeve (102), each one side of supporting ball (104) is inlayed jointly and is equipped with spacing (103), and spacing (103) are inlayed and are located between bearing inner race (101) and axle sleeve (102), bearing inner race (101) and axle sleeve (102) clearance department both ends all inlay and are equipped with shield (105), two the inboard of shield (105) all is provided with leads oily subassembly.

2. The oil leakage preventing structure for the integral bearing according to claim 1, wherein the oil guiding assembly comprises an oil leakage groove (106), mounting screw holes (107) and an inner retainer ring (3), the mounting screw holes (107) are formed in the inner surface of the dust cap (105), the mounting screw holes (107) are communicated with the outer surface of the dust cap (105), the mounting screw holes (107) are uniformly formed in the outer surface of the shaft sleeve (102), the mounting screw holes (107) are formed between the two dust caps (105), the inner retainer ring (3) is arranged on the inner side of the dust cap (105), the air nozzles (301) are arranged on the outer surface of the inner retainer ring (3) corresponding to the mounting screw holes (107), the air nozzles (301) are in interference fit with the mounting screw holes (107), the inner groove (302) is formed on the inner side of the inner retainer ring (3), and the air nozzles (301) are communicated with the inner groove (302), the inner edge and the outer edge of the inner retainer ring (3) are fixedly connected with side air bags (4).

3. An oil leakage prevention structure for an integrated bearing according to claim 2, wherein the mounting screw hole (107) is connected with a screw head (2) in a threaded manner, and a rotating head (201) is fixedly connected to one end of the screw head (2) far away from the air tap (301).

4. An oil leakage preventing structure for an integrated bearing according to claim 2, wherein each two adjacent oil leakage grooves (106) are staggered with each other.

5. An oil leakage prevention structure for an integrated bearing according to claim 2, wherein the inner retainer ring (3) is sleeved outside the shaft sleeve (102).

6. An oil leakage preventing structure for an integrated bearing according to claim 1, wherein the two dust covers (105) are provided with chamfers at the edges close to the bearing outer ring (101).