CN218817588U

CN218817588U - Bearing without retainer

Info

Publication number: CN218817588U
Application number: CN202223276016.4U
Authority: CN
Inventors: 孟庆霞; 许西瑞; 杨兴满
Original assignee: Shanghai Yufan Bearing Co ltd
Current assignee: Shanghai Yufan Bearing Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-04-07
Anticipated expiration: 2032-12-07

Abstract

The utility model provides a bearing without a retainer, which comprises an inner ring and an outer ring positioned outside the inner ring, wherein a roller path is correspondingly arranged between the inner ring and the outer ring, a plurality of balls are connected between the roller paths of the inner ring and the outer ring in a rolling way, notches which are convenient for pressing the balls into the space between the roller paths of the inner ring and the outer ring are arranged on the opposite side surfaces of the inner ring and the outer ring, the radial depth of the roller path of the inner ring is greater than that of the notches of the inner ring, and the radial depth of the roller path of the outer ring is greater than that of the notches of the outer ring; the utility model discloses following beneficial effect has: through getting rid of the ball that can install the ball quantity in being more than ordinary bearing in the bearing inner holder, the more ball quantity can make the bearing capacity of bearing the big more to setting up the weight that can further make the bearing can bear through the annular bearing piece of circle in the bottom of outer lane is bigger, and the notch can be convenient for the staff with the ball impress in the raceway between inner circle and the outer lane.

Description

Bearing without retainer

Technical Field

The utility model relates to a bearing technical field especially relates to a bearing of no holder.

Background

The rolling bearing is a precise mechanical element for reducing friction loss by changing sliding friction between a running shaft and a shaft seat into rolling friction, and generally comprises an inner ring, an outer ring, a rolling body and a retainer, wherein the inner ring is used for being matched with the shaft and rotating together with the shaft; the outer ring is matched with the bearing seat to play a supporting role; the rolling bodies are uniformly distributed between the inner ring and the outer ring by virtue of the retainer, and the shape, size and number of the rolling bodies directly influence the service performance and service life of the rolling bearing; the retainer can enable the rolling bodies to be uniformly distributed and guide the rolling bodies to rotate to play a lubricating role, in actual use, the condition that the rotating speed of the bearing can be slightly slower and the bearing weight is large can be met, but the bearing weight of the existing bearing is not large, so that the existing bearing cannot be applied to products which need the bearing and are large in bearing weight.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned disadvantages of the prior art, it is an object of the present invention to provide a cage-less bearing for solving the problem that the bearing capacity is not very large in the prior art.

For realizing above-mentioned purpose and other relevant purposes, the utility model provides a no bearing of holder, include the inner circle and be located the outer lane in the inner circle outside, it is equipped with the raceway to correspond between inner circle and the outer lane, roll connection has a plurality of balls between the raceway of inner circle and outer lane, wherein, the quantity of ball is greater than the quantity of ball in the ordinary bearing, the utility model discloses well ball's quantity is fifteen, in practical application, also can set the quantity of ball into other numerical values according to specific circumstances, just all set up on the opposite flank of inner circle and outer lane and be convenient for impress the ball notch between inner circle raceway and the outer lane raceway, the radial depth degree of depth of inner circle raceway is greater than the radial depth of inner circle notch, the radial depth of outer lane raceway is greater than the radial depth of outer lane notch.

Above-mentioned scheme is through getting rid of the retainer in the bearing and can impressing the ball that is more than ball quantity in the plain bearing between inner circle and outer lane, and the ball mainly has two effects, and first for making inner circle and outer lane all can carry out the pivoted effect, the second is for the effect that can play the bearing, and the weight that the quantity of ball bore more is just bigger.

In an embodiment of the utility model, the notch of outer lane communicates with the raceway of outer lane is perpendicular, the notch of inner circle communicates with the raceway of outer lane is perpendicular.

In an embodiment of the utility model, the central point of inner circle puts and is equipped with the through-hole that is used for the pivot to pass, the diameter of through-hole with the diameter phase-match of pivot, in practical application, the staff installs the pivot in the through-hole of inner circle.

In an embodiment of the utility model, the shape of inner circle and outer lane is ring shape, the shape of notch is the arc, curved notch with the shape phase-match of ball.

According to the scheme, the notches formed in the opposite surfaces of the inner ring and the outer ring can facilitate the pressing of the balls into the roller path between the inner ring and the outer ring by workers, so that the labor intensity of the workers is reduced, and the processing efficiency of the bearing is improved.

In an embodiment of the present invention, the material of the inner ring and the outer ring is high-carbon chromium bearing steel, and the material of the ball is also high-carbon chromium bearing steel.

The high-carbon chromium bearing steel adopted in the scheme has high hardness, uniform and stable microstructure after heat treatment, high and uniform hardness, good wear resistance, high contact fatigue strength, and good dimensional stability and corrosion resistance.

In an embodiment of the present invention, the other end of the inner side of the outer ring, which is relatively provided with the notch, is connected with the bearing block integrally formed with the outer ring, the bearing block is vertically connected with the outer ring, wherein, the diameter of the bearing block is smaller than the diameter of the outer ring, the diameter of the bearing block is greater than the diameter of the inner ring, the utility model discloses in, the diameter of the inner ring is exactly the diameter of the through hole.

As mentioned above, the bearing without the retainer of the present invention has the following advantages:

the utility model discloses a get rid of the ball that can install the interior ball quantity of being more than ordinary bearing with the bearing inner holder, the more bearing capacity that can make the bearing is big more of ball quantity, thereby can apply to the great product of the weight that bears that needs the bearing, and can be further make the weight that the bearing can bear bigger through setting up the annular bearing block of circle in the bottom in outer lane, the notch can be convenient for the staff impress the ball in the raceway between inner circle and the outer lane, thereby staff's intensity of labour has been reduced, the machining efficiency of bearing has been improved, also save staff's operating time.

Drawings

Fig. 1 is a schematic top view of a cage-less bearing disclosed in an embodiment of the present invention;

fig. 2 is a schematic right-side sectional view of a bearing without a retainer according to an embodiment of the present invention, the bearing not having a bearing block;

fig. 3 is a partially enlarged schematic view of a notch in a cage-less bearing disclosed in an embodiment of the present invention;

fig. 4 is a schematic right-side sectional view of a bearing without a cage according to an embodiment of the present invention, the bearing having a bearing block.

Description of the element reference numerals

1. An outer ring; 2. an inner ring; 3. a ball bearing; 4. a notch; 5. a through hole; 6. and a bearing block.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 4. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 to 3, the present invention provides a bearing without a cage, which comprises an inner ring 2 and an outer ring 1 located outside the inner ring 2, wherein the inner ring 2 and the outer ring 1 are both circular rings, a through hole 5 for a rotating shaft to pass through is provided at a central position of the inner ring 2, and a diameter of the through hole 5 is matched with a diameter of the rotating shaft, in practical application, a worker installs the rotating shaft in the through hole 5 of the inner ring 2, a raceway is correspondingly provided between the inner ring 2 and the outer ring 1, and a plurality of balls 3 are connected between the raceways of the inner ring 2 and the outer ring 1 in a rolling manner, wherein the number of the balls 3 is greater than the number of the balls 3 in a common bearing, the utility model discloses a number of the balls 3 is fifteen, in practical application, the number of the balls 3 can be set to other values according to specific conditions, the balls 3 can be pressed into the inner ring 2 and the outer ring 1 by removing the cage in the bearing, and the balls 3 mainly have two functions, the first function that the inner ring 2 and the outer ring 1 can rotate, and the second function is that the larger the balls 3 can bear more weight;

the notches 4 which are convenient for pressing the balls 3 into the roller path of the inner ring 2 and the roller path of the outer ring 1 are formed in the opposite side surfaces of the inner ring 2 and the outer ring 1, the notches 4 are arc-shaped, the arc-shaped notches 4 are matched with the balls 3, the radial depth of the roller path of the inner ring 2 is greater than that of the notches 4 of the inner ring 2, the radial depth of the roller path of the outer ring 1 is greater than that of the notches 4 of the outer ring 1, the notches 4 of the outer ring 1 are vertically communicated with the roller path of the outer ring 1, the notches 4 of the inner ring 2 are vertically communicated with the roller path of the outer ring 1, and the notches 4 which are formed in the opposite surfaces of the inner ring 2 and the outer ring 1 can be convenient for a worker to press the balls 3 into the roller path between the inner ring 2 and the outer ring 1, so that the labor intensity of the worker is reduced;

the inner ring 2 and the outer ring 1 are both made of high-carbon chromium bearing steel, the balls 3 are also made of high-carbon chromium bearing steel, and the adopted high-carbon chromium bearing steel has high hardness, uniform and stable microstructure after heat treatment, high and uniform hardness, good wear resistance, high contact fatigue strength, good dimensional stability and corrosion resistance;

specifically, when the bearing without the retainer is processed, the retainer has the function of enabling the rotating speed of the bearing to be high, the bearing without the retainer is applied to products with low rotating speed and heavy weight, the retainer in the bearing is removed during processing, the retainer is removed in order to press more balls 3 between the inner ring 2 and the outer ring 1, the more balls 3, the more weight the bearing bears, and the more notches 4 between the inner ring 2 and the outer ring 1 are convenient for workers to press the balls 3 into the roller paths;

more specifically, when the bearingless bearing is used, a worker mounts the rotating shaft in the through hole 5 of the inner ring 2, and when the bearingless bearing is actually used, the bearing to which the bearingless bearing is mounted in a dust-free environment, so that it is not necessary to mount a dust-proof boot between the inner ring 2 and the outer ring 1, and the bearing with a large bearing capacity is mounted on the bottom of the product, so that the bearing is used to bear part of the weight of the product.

Example two:

please refer to fig. 1, fig. 3 and fig. 4, the utility model provides a bearing of no holder, the specific embodiment of the utility model is that, the relative other end that sets up notch 4 in outer lane 1 is connected with the bearing block 6 with 1 integrated into one piece in outer lane, and bearing block 6 is connected with 1 perpendicular in outer lane, and wherein, the diameter of bearing block 6 is less than 1 diameter in outer lane, and the diameter of bearing block 6 is greater than 2 diameters of inner circle, the utility model discloses in, the diameter of inner circle 2 is exactly the diameter of through-hole 5, and it is bigger to set up the weight that the annular bearing block 6 of circle can further make the bearing can bear through the bottom at outer lane 1.

To sum up, the utility model discloses a get rid of the ball 3 that can install the 3 quantity of ball in being more than ordinary bearing with the bearing inner holder, the more ball 3 quantity can make the bearing load capacity of bearing big more, thereby can apply to the great product of the weight that bears that needs the bearing, and through set up the annular bearing block 6 of circle can be further make the weight that the bearing can bear bigger in the bottom in the outer lane, notch 4 can be convenient for the staff impress ball 3 in the raceway between inner circle 2 and the outer lane 1, thereby reduce staff's intensity of labour, the machining efficiency of bearing is improved, also save staff's operating time. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A bearing without a retainer comprises an inner ring and an outer ring positioned outside the inner ring, and is characterized in that: the ball bearing is characterized in that a roller path is correspondingly arranged between the inner ring and the outer ring, a plurality of balls are connected between the roller paths of the inner ring and the outer ring in a rolling manner, notches which are convenient for pressing the balls into the positions between the inner ring roller path and the outer ring roller path are formed in the opposite side surfaces of the inner ring and the outer ring, the radial depth of the inner ring roller path is larger than that of the inner ring notch, and the radial depth of the outer ring roller path is larger than that of the outer ring notch.

2. A cage-less bearing as claimed in claim 1, wherein: the notch of the outer ring is vertically communicated with the raceway of the outer ring, and the notch of the inner ring is vertically communicated with the raceway of the outer ring.

3. A cage-less bearing as claimed in claim 1, wherein: and a through hole for the rotating shaft to pass through is formed in the center of the inner ring, and the diameter of the through hole is matched with that of the rotating shaft.

4. A cage-less bearing as claimed in claim 1, wherein: the shapes of the inner ring and the outer ring are both circular rings, the shape of the notch is arc-shaped, and the arc-shaped notch is matched with the shape of the ball.

5. A cage-less bearing as claimed in claim 1, wherein: the material of the inner ring and the material of the outer ring are both high-carbon chromium bearing steel, and the material of the ball is also high-carbon chromium bearing steel.

6. A cage-less bearing according to any one of claims 1 to 5, wherein: the other end of the inner side of the outer ring, which is opposite to the notch, is connected with a bearing block integrally formed with the outer ring, and the bearing block is vertically connected with the outer ring.