CN214998909U

CN214998909U - Precision miniature bearing cover capable of preventing high-temperature fracture

Info

Publication number: CN214998909U
Application number: CN202121144267.XU
Authority: CN
Inventors: 华黎明; 王凯贤; 陈群; 王迅
Original assignee: Anhui Rzn Bearing Co ltd
Current assignee: Anhui Rzn Bearing Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-03
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a prevent accurate miniature bearing cap of high temperature fracture relates to bearing cap technical field, including upper cover body and lower cover body, through screw fixed connection between upper cover body and the lower cover body, be provided with the bearing body in the cavity that forms between upper cover body and the lower cover body, the inside of lower cover body is provided with U type groove, the inside packing of U type groove has lubricating oil, the outer wall that the one end in U type groove runs through the lower cover body and is connected with the pouring plug, the inner wall of lower cover body is run through to the other end in U type groove, the utility model discloses a cooperation of U type groove, pouring plug and opening is used, forms the intercommunication type structure between the three for the lubricating oil of pouring plug position carries to the opening constantly, guarantees the ball of bearing inside constantly guarantees lubricated state, thereby reduces the frictional force of ball to the bearing inner lane, thereby solves the bearing cap and can not provide lubricating oil to bearing ball position constantly, therefore, the bearing outer ring is deformed due to excessive friction, and the bearing cover is broken.

Description

Precision miniature bearing cover capable of preventing high-temperature fracture

Technical Field

The utility model relates to a bearing cap technical field specifically is for preventing high temperature fracture's accurate miniature bearing cap.

Background

The bearing cap is a spare part that plays sealed effect to the inside ball of bearing, and current bearing is after long-time the use, and the bearing inner race is at the pivoted in-process, because lubricated effect is not good, leads to the ball to the frictional force grow of bearing inner race, causes the bearing inner race to take place local deformation to the both sides extrusion leads to the bearing cap to take place the fracture, consequently need prevent high temperature fracture's accurate miniature bearing cap, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent high temperature fracture's accurate miniature bearing cap to the bearing cap that proposes in solving above-mentioned background art can not provide lubricating oil to the bearing ball position often, thereby the friction too big bearing inner race that leads to warp, thereby makes the bearing cap take place cracked problem.

In order to achieve the above object, the utility model provides a following technical scheme: prevent high temperature fracture's accurate miniature bearing lid, including last lid and lower lid, go up and pass through screw fixed connection between lid and the lower lid, go up and be provided with the bearing body in the cavity that forms between lid and the lower lid, the inside of lower lid is provided with U type groove, and the inside packing in U type groove has lubricating oil, and the one end in U type groove runs through the outer wall of lid down and is connected with the injection stopper, and the other end in U type groove runs through the inner wall of lid down.

Bearing body and one side of lower lid contact seted up with U type groove assorted opening, the perpendicular distance of opening and U type groove bottom is less than the perpendicular distance of pouring into stopper and U type groove bottom, utilizes the principle of linker for it flows into the opening inside to pour into the lubricating oil of stopper below often, thereby guarantees that the frictional force of ball to the bearing inner race can not be too big.

Preferably, the inner walls of the upper cover body and the lower cover body are all set to be arc-shaped structures, and the inner walls of the upper cover body and the lower cover body are all provided with mounting grooves for mounting the bearing body, so that a space for deformation of the bearing outer ring is reserved in a cavity formed between the upper cover body and the lower cover body.

Preferably, the semicircular heat dissipation holes are formed in one side, in contact with each other, of the upper cover body and the lower cover body, the semicircular heat dissipation holes are provided in two groups and located on two sides of the bearing body, and the heat dissipation effect of the bearing outer ring is improved.

Preferably, the U-shaped grooves are provided with two sets of grooves which are symmetrically distributed by taking the rotating center of the bearing body as a reference center, so that the lubricating effect of the balls in the bearing body is better.

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

the utility model discloses, use through the cooperation of U type groove, injection stopper and opening, form intercommunication type structure between the three for the lubricating oil of injection stopper position is carried to the opening often, guarantees the lubricated state of the inside ball of bearing assurance often, thereby reduces the frictional force of ball to the bearing inner race, thereby solves the bearing cap and can not provide lubricating oil often to the bearing ball position, thereby the friction leads to the bearing inner race to warp excessively, thereby makes the bearing cap take place cracked problem.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

fig. 2 is a cross-sectional view of the present invention.

In the figure: 1. an upper cover body; 2. a lower cover body; 21. a U-shaped groove; 3. a bearing body; 31. a flow-through hole; 4. semicircular heat dissipation holes; 5. mounting grooves; 6. and (4) injecting a plug.

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.

Example 1

Referring to fig. 1-2, the present embodiment provides a precision micro bearing cap for preventing high temperature fracture, which includes an upper cap body 1 and a lower cap body 2, a bearing body 3 is disposed in a cavity formed between the upper cap body 1 and the lower cap body 2, and the upper cap body 1 and the lower cap body 2 are used in cooperation to seal and position the bearing body 3.

Go up lid 1 and down through screw fixed connection between the lid 2, reach the purpose of being convenient for install and dismantle bearing body 3.

In a further embodiment, in order to make the upper cover body 1 and the lower cover body 2 better fix through screws, a clamping groove is formed in one side of the upper cover body 1 contacting with the lower cover body 2, a clamping block matched with the clamping groove is fixedly mounted above the lower cover body 2, and screws convenient to fix are used through the matching of the clamping block and the clamping groove.

The inside of lower lid 2 is provided with U type groove 21, and the inside packing in U type groove 21 has lubricating oil, and the outer wall of lid 2 and being connected with injection stopper 6 are run through down to the one end in U type groove 21, and the other end in U type groove 21 runs through the inner wall of lid 2 down, utilizes the principle of linker, realizes providing lubricating oil to the inside ball of bearing body 3 often.

The one side that bearing body 3 and lower lid 2 contacted is seted up and is had the through hole 31 with U type groove 21 assorted, and the perpendicular distance of through hole 31 and the bottom of U type groove 21 is less than the perpendicular distance of pouring into stopper 6 and the lowest in U type groove 21 to make the inside lubricating oil of U type groove 21 form the difference in height, thereby will pour into the lubricating oil of stopper 6 below and have a decurrent effort all the time, in order to reach the purpose that often convection current through hole 31 provides lubricating oil.

In order to further promote the lubricated effect of U type groove 21 to the lubricating oil that the ball provided, U type groove 21 is provided with two sets ofly and uses the rotation center of bearing body 3 to be the symmetric distribution as the benchmark center, through the conveying capacity of increase lubricating oil to guarantee that frictional force can not be too big between ball and the bearing outer wall, thereby promote the life of bearing cap.

In this embodiment, the ball rolls in bearing body 3 is inside, can consume lubricating oil at the in-process of motion, through the use of U type groove 21 and linker principle for lid 2 provides lubricating oil for the ball often down, thereby avoids long-time use back, and the ball is too big to bearing inner race frictional force, leads to the bearing inner race to take place to warp, thereby makes the bearing cover take place cracked problem.

Example 2, with reference to fig. 1-2, a further improvement over example 1 is made: in order to leave the gap that bearing body 3 warp, and reduce the area of contact between bearing body 3 and the bearing cap, the inner wall of upper cover body 1 and lower cover body 2 all sets up to the arc structure, and the curvature radius of arc structure is less than the curvature radius of bearing body 3 outer wall for there is certain clearance to carry out the heat conduction behind installation bearing body 3 in the cavity that forms between upper cover body 1 and the lower cover body 2, thereby reduces the heat that gives out because of ball and the friction of bearing inner race.

Go up the inner wall of lid 1 and lower lid 2 and all offer the mounting groove 5 that is used for installing bearing body 3, it is convenient spacing to bearing body 3.

Go up lid 1 and lower lid 2 one side of mutual contact and all seted up semicircle louvre 4, semicircle louvre 4 is provided with two sets ofly, and is located the both sides of bearing body 3 for inside and outside gas can exchange, thereby reaches radiating purpose, and prolongs the life of bearing cap.

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. Prevent high-temperature fracture's accurate miniature bearing cap, including last lid (1) and lower lid (2), go up lid (1) and pass through screw fixed connection between the lower lid (2), upward be provided with bearing body (3), its characterized in that in the cavity that forms between lid (1) and the lower lid (2): a U-shaped groove (21) is formed in the lower cover body (2), lubricating oil is filled in the U-shaped groove (21), one end of the U-shaped groove (21) penetrates through the outer wall of the lower cover body (2) and is connected with an injection plug (6), and the other end of the U-shaped groove (21) penetrates through the inner wall of the lower cover body (2);

one side of the bearing body (3) contacting the lower cover body (2) is provided with a circulation hole (31) matched with the U-shaped groove (21), and the vertical distance between the circulation hole (31) and the lowest end of the U-shaped groove (21) is smaller than the vertical distance between the injection plug (6) and the lowest end of the U-shaped groove (21).

2. The high temperature fracture resistant precision micro bearing cap of claim 1, wherein: the inner walls of the upper cover body (1) and the lower cover body (2) are all set to be arc-shaped structures, and mounting grooves (5) used for mounting the bearing bodies (3) are formed in the inner walls of the upper cover body (1) and the lower cover body (2).

3. The high temperature fracture resistant precision micro bearing cap of claim 1, wherein: the bearing is characterized in that semicircular heat dissipation holes (4) are formed in one side, in contact with each other, of the upper cover body (1) and the lower cover body (2), and the semicircular heat dissipation holes (4) are provided in two groups and located on two sides of the bearing body (3).

4. The high temperature fracture resistant precision micro bearing cap of claim 1, wherein: the U-shaped grooves (21) are provided with two groups and are symmetrically distributed by taking the rotating center of the bearing body (3) as a reference center.