CN211175004U

CN211175004U - Self-aligning bearing

Info

Publication number: CN211175004U
Application number: CN201921362850.0U
Authority: CN
Inventors: 程云富
Original assignee: Shenyang Rongchuang Zhongrun International Trade Co ltd
Current assignee: Shenyang Hengman Compressor Manufacturing Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-08-04
Anticipated expiration: 2029-08-21

Abstract

The utility model provides a from aligning bearing, from aligning bearing includes: the oil filling device comprises an inner ring, an outer ring, a ball, an adjusting ring, a mounting ring, an oil filling hole, a guide hole and an oil plug; a first raceway is arranged on the outer wall of the inner ring and is hemispherical; the outer ring is sleeved on the outer side of the inner ring, a second raceway is arranged on the inner wall of the outer ring, the second raceway is hemispherical, and the second raceway is opposite to the first raceway; a plurality of balls are embedded into the first rolling path and the second rolling path simultaneously; the adjusting ring is an elastic body and is sleeved on the outer side of the outer ring; the mounting ring is sleeved outside the adjusting ring and is clamped with the adjusting ring; the oil filling hole is arranged on the upper surface of the outer ring; the guide hole is arranged on the side wall of the outer ring, one end of the guide hole is communicated with the oil injection hole, and the other end of the guide hole is communicated with the second roller path; the oil plug is embedded in the oil filling hole.

Description

Self-aligning bearing

Technical Field

The utility model relates to a bearing technical field particularly, relates to a from aligning bearing.

Background

At present, in the related art, each part of the existing bearing is a rigid body, and the bearing does not have the elastic deformation capacity; with this method, when the bearing is fitted to a precision part, the mounting error cannot be reduced, and therefore wear is likely to occur in the subsequent operation.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

Therefore, the utility model provides a self aligning bearing.

In view of this, the utility model provides a from aligning bearing, from aligning bearing includes: the oil filling device comprises an inner ring, an outer ring, a ball, an adjusting ring, a mounting ring, an oil filling hole, a guide hole and an oil plug; a first raceway is arranged on the outer wall of the inner ring and is hemispherical; the outer ring is sleeved on the outer side of the inner ring, a second raceway is arranged on the inner wall of the outer ring, the second raceway is hemispherical, and the second raceway is opposite to the first raceway; a plurality of balls are embedded into the first rolling path and the second rolling path simultaneously; the adjusting ring is an elastic body and is sleeved on the outer side of the outer ring; the mounting ring is sleeved outside the adjusting ring and is clamped with the adjusting ring; the oil filling hole is arranged on the upper surface of the outer ring; the guide hole is arranged on the side wall of the outer ring, one end of the guide hole is communicated with the oil injection hole, and the other end of the guide hole is communicated with the second roller path; the oil plug is embedded in the oil filling hole.

In the technical scheme, a hemispherical first raceway is arranged on the outer wall of an inner ring, an outer ring is sleeved on the outer side of the inner ring, and a hemispherical second raceway is arranged on the inner wall of the outer ring, so that the first raceway is opposite to the second raceway; secondly, a plurality of balls are simultaneously embedded into the first raceway and the second raceway so as to realize that the inner ring and the outer ring can rotate relatively, thereby improving the rotation flexibility of the rolling bearing; thirdly, the adjusting ring which is arranged as an elastic body is sleeved on the outer side of the outer ring, so that the adjusting ring is tightly hooped on the outer side of the outer ring, meanwhile, the mounting ring is sleeved on the outer side of the adjusting ring, and the mounting ring is clamped with the adjusting ring, so that the outer ring, the adjusting ring and the mounting ring can synchronously rotate; thirdly, the oil filling hole is arranged on the upper surface of the outer ring, the guide hole is arranged on the side wall of the outer ring, one end of the guide hole is communicated with the oil filling hole, the other end of the guide hole is communicated with the second roller path, so that lubricating oil flows into the second roller path through the oil filling hole and the guide hole, and the ball is lubricated; and thirdly, the oil plug is embedded into the oil filler hole to realize the sealing of the oil filler hole, so that when the inner ring and the outer ring rotate relatively, the lubricating oil flows out through the oil filler hole, and the waste of the lubricating oil is avoided. Through setting up the adjusting collar into the elastomer to realize that the adjusting collar possesses elastic deformation's ability, and can realize going out and make the adjusting collar reconversion after external force, thereby reduce the installation error of worm and worm wheel, and compensate the wearing and tearing between the follow-up operation in-process turbine worm, thereby reach from the function of aligning. Adopt this kind of mode, moreover, simple structure, in pouring lubricating oil into the oil filler point, when the realization is lubricated to the ball, also can realize storing lubricating oil in the guide hole, thereby realize when inner circle and outer lane take place relative rotation, the rotatory outflow of lubricating oil of storage in the guide hole to the second raceway, and then realize the self-lubricate to the ball, reduce the maintenance number of times to antifriction bearing, prolong antifriction bearing's life, and reduce the produced noise of ball, the use experience of product has been improved.

Additionally, the utility model provides an among the above-mentioned technical scheme from aligning formula bearing can also have following additional technical characterstic:

in the above technical solution, preferably, the self-aligning bearing includes: a first groove and a first protrusion; the at least two first grooves are arranged on the outer wall of the inner ring; the at least two first bulges are arranged on the inner wall of the adjusting ring, and the first bulges are embedded into the first grooves; wherein, the first bulge is an elastic body.

In this technical scheme, through setting up at least two first recesses on the outer wall of inner circle, set up at least two first archs on the inner wall of adjusting ring simultaneously to in embedding first recess, further prevent that adjusting ring and outer lane from taking place relative rotation. Because first arch is the elastomer, consequently can reduce the degree of difficulty that first arch inlayed first recess to improve the assembly efficiency of product.

In the above technical solution, preferably, the first protrusion and the adjustment ring are of an integral structure.

In this technical scheme, through with first arch and adjusting collar formula structure as an organic whole to improve the fastness that first arch and adjusting collar are connected, thereby avoid adjusting collar and outer lane to take place relative rotation, further improved the use of product and experienced.

In the above technical solution, preferably, the self-aligning bearing includes: a second groove and a second protrusion; the second groove is a T-shaped groove and is arranged on the outer wall of the adjusting ring; the second protrusion is a T-shaped protrusion, the second protrusion is arranged on the inner wall of the mounting ring, and the second protrusion is embedded into the second groove.

In this technical scheme, through setting up the second recess on the outer wall of adjustment ring, set up the second arch on the inner wall of installation circle to with the protruding embedding second recess of second, in order to realize that adjustment ring and installation circle looks joint, thereby realize that the adjustment ring drives the installation circle and rotates. Because the second recess is T type groove, and the second arch is T type arch, consequently improved regulating ring and mounting ring firm in connection nature, prevented that regulating ring and mounting ring from taking place to break away from to improve regulating ring and mounting ring pivoted synchronism.

In the above technical solution, preferably, the second protrusion and the mounting ring are of an integral structure.

In this technical scheme, through setting up the second arch and the installation circle as integral type structure to improve the second arch and the fastness that the installation circle is connected, further improve the synchronism of adjusting collar and installation circle pivoted.

In the above technical solution, preferably, the self-aligning bearing includes: a seal ring; the two sealing rings are embedded into the inner ring and the outer ring at the same time, and the two sealing rings are respectively positioned above and below the ball.

In this technical scheme, through imbedding two sealing washers simultaneously in inner circle and the outer lane to be located the top and the below of ball respectively with two sealing washers, in order to realize the sealed to inner circle and outer lane clearance, thereby prevent that lubricating oil from flowing out, further avoid the waste of lubricating oil.

In the above technical solution, preferably, the seal ring includes: a body and a connecting portion; the body is in a ring shape; the two connecting parts are respectively connected with the outer circle and the inner circle of the body and are respectively embedded in the outer ring and the inner ring; wherein the cross section of the connecting part is circular.

In this technical scheme, through setting up the body into the ring type, be connected two connecting portion with the outer lane and the inner circle of body respectively to make two connecting portion imbed respectively in outer lane and the interior circle, in order to realize sealing up the clearance of outer lane and inner circle. Because the cross-section of connecting portion is circular, consequently reduced the degree of difficulty of connecting portion embedding inner circle and outer lane to improve the assembly efficiency of sealing washer, simultaneously, also reduced the degree of difficulty of dismantling the sealing washer, so that the bearing is maintained and is maintained.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic structural view of a self-aligning bearing according to an embodiment of the invention;

fig. 2 is an enlarged partial view at a of fig. 1 showing a schematic structural view of a self-aligning bearing according to an embodiment of the present invention;

wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

12 inner ring, 14 outer ring, 16 ball, 18 adjusting ring, 20 mounting ring, 22 oil filling hole, 24 guide hole, 26 oil plug, 28 first protrusion, 30 second protrusion, 32 sealing ring, 322 body and 324 connecting part.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Self-aligning bearings according to some embodiments of the present invention are described below with reference to fig. 1 and 2.

In the embodiment of the present invention, as shown in fig. 1 and 2, the utility model provides a self-aligning bearing, self-aligning bearing includes: the inner ring 12, the outer ring 14, the balls 16, the adjusting ring 18, the mounting ring 20, the oil filling hole 22, the guide hole 24 and the oil plug 26; a first raceway is arranged on the outer wall of the inner ring 12, and the first raceway is hemispherical; the outer ring 14 is sleeved on the outer side of the inner ring 12, a second raceway is arranged on the inner wall of the outer ring 14, the second raceway is hemispherical, and the second raceway is opposite to the first raceway; a plurality of balls 16 are simultaneously embedded in the first and second raceways; the adjusting ring 18 is an elastic body, and the adjusting ring 18 is sleeved on the outer side of the outer ring 14; the mounting ring 20 is sleeved on the outer side of the adjusting ring 18, and the mounting ring 20 is clamped with the adjusting ring 18; the oil filler hole 22 is provided in the upper surface of the outer race 14; a guide hole 24 is provided in the side wall of the outer race 14, one end of the guide hole 24 communicating with the oil filler hole 22, and the other end of the guide hole 24 communicating with the second raceway; the oil plug 26 is inserted into the oil hole 22.

In this embodiment, a hemispherical first raceway is arranged on the outer wall of the inner ring 12, the outer ring 14 is sleeved outside the inner ring 12, and a hemispherical second raceway is arranged on the inner wall of the outer ring 14, so that the first raceway and the second raceway are opposite to each other; secondly, the rolling balls 16 are embedded into the first raceway and the second raceway simultaneously, so that the inner ring 12 and the outer ring 14 can rotate relatively, and the rotation flexibility of the rolling bearing is improved; thirdly, the adjusting ring 18 which is set as an elastic body is sleeved on the outer side of the outer ring 14, so that the adjusting ring 18 is tightly hooped on the outer side of the outer ring 14, meanwhile, the mounting ring 20 is sleeved on the outer side of the adjusting ring 18, and the mounting ring 20 is clamped with the adjusting ring 18, so that the outer ring 14, the adjusting ring 18 and the mounting ring 20 can synchronously rotate; thirdly, by disposing the oil filler hole 22 on the upper surface of the outer ring 14, disposing the guide hole 24 on the side wall of the outer ring 14, communicating one end of the guide hole 24 with the oil filler hole 22, and communicating the other end of the guide hole 24 with the second raceway, lubrication of the balls 16 is achieved by flowing the lubricating oil into the second raceway through the oil filler hole 22 and the guide hole 24; again, the oil plug 26 is inserted into the oil hole 22 to seal the oil hole 22, so as to prevent the lubricating oil from flowing out through the oil hole 22 when the inner ring 12 and the outer ring 14 rotate relatively, thereby avoiding the waste of the lubricating oil. Through setting up the adjusting ring 18 into the elastomer to realize that adjusting ring 18 possesses elastic deformation's ability, and can realize going out and make adjusting ring 18 reconversion after external force, thereby reduce the installation error of worm and worm wheel, and compensate the wearing and tearing between the follow-up operation in-process turbine worm, thereby reach from the function of aligning. Adopt this kind of mode, moreover simple structure, in pouring lubricating oil into oil filler point 22 into, when realizing lubricated ball 16, also can realize storing lubricating oil in guide hole 24, thereby realize when inner circle 12 and outer lane 14 take place relative rotation, the rotatory outflow of lubricating oil to the second raceway in the guide hole 24 of storage, and then realize the self-lubricate to ball 16, reduce the maintenance number of times to antifriction bearing, prolong antifriction bearing's life, and reduce the produced noise of ball 16, the use experience of product has been improved.

In an embodiment of the present invention, preferably, as shown in fig. 1 and 2, the self-aligning bearing includes: first grooves and first projections 28; at least two first grooves are arranged on the outer wall of the inner ring 12; at least two first protrusions 28 are arranged on the inner wall of the adjusting ring 18, and the first protrusions 28 are embedded in the first grooves; wherein the first protrusion 28 is an elastomer.

In this embodiment, relative rotation of the adjuster ring 18 and the outer race 14 is further prevented by providing at least two first grooves on the outer wall of the inner race 12, while at least two first projections 28 are provided on the inner wall of the adjuster ring 18, and engaging the first projections 28 in the first grooves. Since the first protrusion 28 is made of an elastic body, the difficulty of embedding the first protrusion 28 into the first groove can be reduced, and the assembly efficiency of the product can be improved.

In one embodiment of the present invention, the first protrusion 28 and the adjustment ring 18 are preferably a one-piece structure.

In this embodiment, the first protrusion 28 and the adjusting ring 18 are integrated to improve the connection firmness of the first protrusion 28 and the adjusting ring 18, so that the adjusting ring 18 and the outer ring 14 are prevented from rotating relatively, and the use experience of the product is further improved.

In an embodiment of the present invention, preferably, as shown in fig. 1 and 2, the self-aligning bearing includes: second grooves and second protrusions 30; the second groove is a T-shaped groove and is arranged on the outer wall of the adjusting ring 18; the second protrusion 30 is a T-shaped protrusion, the second protrusion 30 is disposed on the inner wall of the mounting ring 20, and the second protrusion 30 is embedded in the second groove.

In this embodiment, the second groove is disposed on the outer wall of the adjusting ring 18, the second protrusion 30 is disposed on the inner wall of the mounting ring 20, and the second protrusion 30 is embedded in the second groove, so that the adjusting ring 18 is clamped with the mounting ring 20, and the adjusting ring 18 drives the mounting ring 20 to rotate. Because the second recess is T type groove, and second arch 30 is the T type arch, has consequently improved regulating ring 18 and the fastness of installing 20 connection, prevents that regulating ring 18 and installing 20 from taking place to break away from to improve regulating ring 18 and the rotatory synchronism of installing 20.

In one embodiment of the present invention, the second protrusion 30 and the mounting ring 20 are preferably a one-piece structure.

In this embodiment, the second protrusion 30 and the mounting ring 20 are integrally formed to improve the connection strength between the second protrusion 30 and the mounting ring 20, so as to further improve the rotation synchronization between the adjusting ring 18 and the mounting ring 20.

In an embodiment of the present invention, preferably, as shown in fig. 1 and 2, the self-aligning bearing includes: a seal ring 32; two seal rings 32 are embedded in the inner ring 12 and the outer ring 14 at the same time, and the two seal rings 32 are located above and below the balls 16, respectively.

In this embodiment, the two sealing rings 32 are embedded in the inner ring 12 and the outer ring 14 at the same time, and the two sealing rings 32 are respectively located above and below the balls 16, so as to seal the gap between the inner ring 12 and the outer ring 14, thereby preventing the lubricating oil from flowing out and further avoiding the waste of the lubricating oil.

In an embodiment of the present invention, preferably, as shown in fig. 1 and 2, the sealing ring 32 includes: a body 322 and a connecting portion 324; the body 322 is circular; the two connecting portions 324 are respectively connected with the outer circle and the inner circle of the body 322, and the two connecting portions 324 are respectively embedded in the outer ring 14 and the inner ring 12; the connecting portion 324 has a circular cross-section.

In this embodiment, by providing the body 322 as a circular ring type, the two connecting portions 324 are connected to the outer ring 14 and the inner ring 12 of the body 322, respectively, and the two connecting portions 324 are embedded in the outer ring 14 and the inner ring, respectively, to seal the gap between the outer ring 14 and the inner ring 12. Because the cross section of the connecting portion 324 is circular, the difficulty of embedding the connecting portion 324 into the inner ring 12 and the outer ring 14 is reduced, so that the assembling efficiency of the sealing ring 32 is improved, and meanwhile, the difficulty of disassembling the sealing ring 32 is also reduced, so that the bearing is convenient to maintain.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A self aligning bearing, comprising:

the outer wall of the inner ring is provided with a first raceway, and the first raceway is hemispherical;

the outer ring is sleeved on the outer side of the inner ring, a second raceway is arranged on the inner wall of the outer ring, the second raceway is hemispherical, and the second raceway is opposite to the first raceway;

balls, a plurality of which are embedded in the first raceway and the second raceway at the same time;

the adjusting ring is an elastic body and is sleeved on the outer side of the outer ring;

the mounting ring is sleeved on the outer side of the adjusting ring and is clamped with the adjusting ring;

the oil filling hole is arranged on the upper surface of the outer ring;

the guide hole is arranged on the side wall of the outer ring, one end of the guide hole is communicated with the oil injection hole, and the other end of the guide hole is communicated with the second roller path;

the oil plug is embedded into the oil filling hole.

2. The self-aligning bearing of claim 1, comprising:

at least two first grooves are formed in the outer wall of the inner ring;

at least two first bulges are arranged on the inner wall of the adjusting ring and embedded into the first groove;

wherein the first protrusion is an elastomer.

3. The self-aligning bearing of claim 2, wherein:

the first bulge and the adjusting ring are of an integrated structure.

4. The self-aligning bearing of claim 3, comprising:

the second groove is a T-shaped groove and is arranged on the outer wall of the adjusting ring;

the second protrusion is a T-shaped protrusion and arranged on the inner wall of the mounting ring, and the second protrusion is embedded into the second groove.

5. The self-aligning bearing of claim 4, wherein:

the second protrusion and the mounting ring are of an integrated structure.

6. The self-aligning bearing of claim 1, comprising:

and the two sealing rings are embedded into the inner ring and the outer ring at the same time and are respectively positioned above and below the ball.

7. The self-aligning bearing of claim 6, wherein the seal ring comprises:

the body is of a circular ring shape;

the two connecting parts are respectively connected with the outer circle and the inner circle of the body and are respectively embedded in the outer ring and the inner ring;

wherein the cross section of the connecting part is circular.