CN220378721U

CN220378721U - Self-aligning roller bearing retainer with lock points

Info

Publication number: CN220378721U
Application number: CN202321877076.3U
Authority: CN
Inventors: 郑广会; 赵培振; 郑金宇
Original assignee: Jinyuan Shandong New Energy Technology Development Co ltd
Current assignee: Jinyuan Shandong New Energy Technology Development Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-01-23
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses a self-aligning roller bearing retainer with locking points, and belongs to the field of bearing retainers. The utility model adopts the technical scheme that the aligning roller bearing retainer with the lock points comprises a retainer body and window holes distributed along the circumferential direction of the retainer body, wherein the window holes are used for accommodating bearing rollers, a first lock point and a second lock point are respectively arranged on two side surfaces of the window holes adjacent to two circular end surfaces of the bearing rollers, and the first lock point and the second lock point are propped against the two circular end surfaces of the bearing rollers; according to the utility model, the arrangement of the first locking point and the second locking point is convenient for reducing the axial movable gap of the bearing roller, reducing the vibration amplitude in the rotation process of the bearing roller, and in addition, the contact area between the two circular end surfaces of the bearing roller and the inner wall of the window hole can be effectively reduced, so that the friction force between the bearing roller and the window hole is reduced, and the arrangement of the first locking point and the second locking point can increase the structural strength of the frame body.

Description

Self-aligning roller bearing retainer with lock points

Technical Field

The utility model belongs to the technical field of bearing retainers, and particularly relates to a self-aligning roller bearing retainer with locking points.

Background

The cage is a bearing cage, also known as a bearing retainer. Rolling bearings are usually provided with a cage which keeps the rolling bodies at a suitable distance from each other in order to reduce the friction torque of the bearing and the heat generated by friction. The rolling elements are uniformly distributed throughout the bearing to optimize load distribution and reduce noise. The cage is subjected to stresses caused by friction, deformation and inertial forces, and also to chemical corrosion by certain lubricants, additives in lubricants or substances resulting from their aging, organic solvents or coolants, etc.

The window hole of the conventional aligning roller bearing retainer has no lock point, when the roller rotates in the pocket hole of the retainer, due to the adoption of a plane structure of the transmission retainer, the size of the window hole of the retainer structure is larger than that of the roller, so that the roller is convenient to assemble and friction of the roller is reduced, the retainer with the structure is often too large in fit clearance between the window hole and the roller, the roller can influence the smooth running of the retainer in the window hole for a long time, the shaking generated by irregular running is relatively large, and abrasion and noise are easy to generate in the bearing, so that the service life of the retainer is influenced.

Disclosure of Invention

The utility model provides a self-aligning roller bearing retainer with locking points, which aims to solve at least one of the technical problems.

The technical scheme adopted by the utility model is as follows:

the utility model provides a self-aligning roller bearing holder with lock point, includes the support body and follows the window that the support body circumference was arranged, the window is used for settling the bearing roller, be equipped with first lock point and second lock point on the adjacent two sides of window and two circular terminal surfaces of bearing roller respectively, first lock point and second lock point all offsets with two circular terminal surfaces of bearing roller.

Preferably, the window hole is provided with support inclined planes on two sides parallel to the length direction of the bearing roller, and the support inclined planes are provided with tip support parts which are propped against the side walls of the bearing roller.

Preferably, the first locking point is located on the central axis of the window hole, the first locking point is of a strip-shaped flange structure, and the protruding end face of the first locking point is of an arc face.

Preferably, the second locking point is a bump structure, and a protruding end surface of the bump structure is a spherical cambered surface.

Preferably, an annular boss is arranged on the round end face of the bearing roller, which is close to the second locking point.

Preferably, the second locking point side wall abuts against the inner wall of the annular boss.

Preferably, the second locking points are provided with two groups, the two groups of second locking points are positioned on the inner wall at the same side of the window hole, and the two groups of second locking points are symmetrically arranged.

Preferably, the bearing roller ends are both chamfer design.

Preferably, the second locking points are of a strip-shaped flange structure, and the two groups of second locking points are symmetrically arranged about the axis of the bearing roller.

Preferably, the frame body, the window hole, the first locking point and the second locking point are integrally formed into a pattern structure.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. the utility model discloses a stability of bearing roller gesture can be guaranteed through setting up of support body and window, the rotation process vibrations of bearing roller are reduced, stability in order to life of the performance of bearing is improved.

After the bearing roller is arranged in the window hole, the first locking point and the second locking point are propped against the round end surfaces at two sides of the bearing roller, the bearing roller is limited, the axial movable gap of the bearing roller is reduced, and the vibration amplitude of the bearing roller in the rotation process is reduced.

The arrangement of the first locking point and the second locking point can effectively reduce the contact area between the two circular end surfaces of the bearing roller and the inner wall of the window hole, further reduce the friction force between the bearing roller and the window hole, improve the performance of the bearing, prolong the service life of the bearing roller and the frame body,

the setting of first lock point and second lock point can increase the structural strength of support body, further improves the life of support body, makes to have certain clearance between window hole and the bearing roller through the setting of first lock point and second lock point, and the staff of being convenient for adds lubricating oil in to the clearance, also is convenient for clear up the greasy dirt in the clearance, maintains the bearing.

2. As a preferred embodiment of the present utility model, both sides of the window hole parallel to the longitudinal direction of the bearing roller are provided with support slopes having tip support portions abutting against the side walls of the bearing roller.

After the bearing roller is arranged in the window hole, the tip supporting part of the supporting inclined plane can support the side wall of the bearing roller, so that the contact area between the side wall of the bearing roller and the inner wall of the window hole is reduced, the friction resistance between the bearing roller and the window hole is reduced, the bearing roller is arranged in the window hole from the inner side of the frame body, the supporting inclined planes on the two sides of the same window hole can enable the window hole to form a mounting hole which is gradually reduced from the outer side of the side frame body in the frame body, the assembly of the bearing roller is facilitated, and the production efficiency of bearing assembly is improved.

3. As a preferred embodiment of the utility model, the first lock point is positioned on the central axis of the window hole, so that the first lock point can support the center of the round end face of the bearing roller, the stability of the support is improved, and the stability of the bearing roller in the rotation process is further ensured.

4. As a preferred embodiment of the utility model, the second locking point is a convex block structure, the protruding end surface of the convex block structure is a spherical cambered surface, the convex block structure can form point support with the bearing roller, and the contact surface of the convex block structure and the bearing roller is smaller, so that the second locking point can play a role in supporting fibers of the bearing roller, and can effectively reduce friction resistance between the second locking point and the bearing roller and reduce noise generated by friction.

Further, the annular boss is arranged on the circular end face, close to the second locking point, of the bearing roller, and the annular boss abuts against the inner wall of the adjacent window hole to limit, so that stability of the bearing roller in the rotation process is further guaranteed.

5. As a preferred embodiment of the utility model, the side wall of the second lock point is propped against the inner wall of the annular boss, the annular boss is matched with the second lock point, and the side wall of the second lock point is propped against the inner wall of the annular boss, and meanwhile, the second lock point is propped against the circular end face of the bearing roller, so that the bearing roller can be prevented from falling off, the vibration of the bearing roller is further limited, and the stability of the attitude of the bearing roller in the rotating process is ensured.

Further, two groups of second lock points are arranged on the inner wall of the same side of the window hole, and the two groups of second lock points are symmetrically arranged, so that the supporting effect of the second lock points on the bearing roller can be improved.

Drawings

FIG. 1 is a schematic diagram of a specific embodiment of the present utility model;

FIG. 2 is a second schematic structural view of an embodiment of the present utility model;

fig. 3 is an enlarged view of portion a of fig. 1 in accordance with the present utility model.

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.

In the drawings:

1. a frame body; 2. a window hole; 201. a support slope; 3. a bearing roller; 301. an annular boss; 4. a first lock point; 5. and a second lock point.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

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

In addition, in the description of the present utility model, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the descriptions of the terms "implementation," "embodiment," "one embodiment," "example," or "particular example" and the like mean 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 present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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.

Referring to fig. 1-3, a self-aligning roller bearing retainer with locking points comprises a frame body 1 and window holes 2 distributed along the circumferential direction of the frame body 1, wherein the window holes 2 are used for accommodating bearing rollers 3, a first locking point 4 and a second locking point 5 are respectively arranged on two side surfaces of the window holes 2 adjacent to two circular end surfaces of the bearing rollers 3, and the first locking point 4 and the second locking point 5 are propped against the two circular end surfaces of the bearing rollers 3.

It can be understood by those skilled in the art that the bearing roller 3 is installed in the window hole 2, after all the window holes 2 on the frame body 1 are installed to complete the bearing roller 3, the inner ring and the outer ring of the bearing are respectively sleeved on the inner side and the outer side of the frame body 1, so that the assembly of the whole bearing can be completed, the stability of the attitude of the bearing roller 3 can be ensured by the arrangement of the frame body 1 and the window hole 2, the vibration in the rotation process of the bearing roller 3 is reduced, and the stability of the performance of the bearing is improved so as to prolong the service life.

After the bearing roller 3 is arranged in the window hole 2, the first lock point 4 and the second lock point 5 are abutted against the round end faces on two sides of the bearing roller 3, the bearing roller 3 is limited, the axial movable gap of the bearing roller 3 is reduced, the vibration amplitude in the rotation process of the bearing roller 3 is reduced, the contact area between the round end faces of the bearing roller 3 and the inner wall of the window hole 2 can be effectively reduced by the arrangement of the first lock point 4 and the second lock point 5, the friction force between the bearing roller 3 and the window hole 2 is further reduced, the bearing performance is improved, the service life of the bearing roller 3 and the frame body 1 is prolonged, on the other hand, the structural strength of the frame body 1 can be further improved by the arrangement of the first lock point 4 and the second lock point 5, a certain gap is formed between the window hole 2 and the bearing roller 3, the lubricating oil is conveniently filled into the gap by workers, and grease in the gap is also conveniently cleaned, and the bearing is maintained.

As a preferred embodiment of the present application, referring to fig. 1 to 3, both sides of the window hole 2 parallel to the longitudinal direction of the bearing roller 3 are provided with support slopes 201, and the support slopes 201 have tip support portions which abut against the side walls of the bearing roller 3.

After the bearing roller 3 is arranged in the window hole 2, the tip supporting part of the supporting inclined plane 201 can support the side wall of the bearing roller 3, so that the contact area between the side wall of the bearing roller 3 and the inner wall of the window hole 2 is reduced, the friction resistance between the bearing roller 3 and the window hole 2 is reduced, the bearing efficiency is further improved, the bearing roller 3 is arranged in the window hole 2 arranged on the inner side of the frame body 1, the supporting inclined planes 201 on two sides of the same window hole 2 can enable the window hole 2 to form a mounting hole gradually reduced from the inner side of the frame body 1 to the outer side of the frame body 1, the assembly of the bearing roller 3 is facilitated, and the production efficiency of the bearing assembly is improved.

As a preferred example of the first locking point 4 in the present application, referring to fig. 1 to 3, the first locking point 4 is located on the central axis of the window hole 2, the first locking point 4 is in a strip-shaped flange structure, and the protruding end surface of the first locking point 4 is an arc surface.

The first lock point 4 is located the axis of window hole 2 and makes first lock point 4 can support the center of the circular terminal surface of bearing roller 3, improve the stability of supporting, and then guarantee the stability of bearing roller 3 rotation in-process, first lock point 4 is favorable to further increasing the stability to the support of bearing roller 3 for bar flange structure, on the other hand, bar flange structure can increase the structural strength of window hole 2, and then promote the structure degree of support body 1, increase the life of support body 1, the protruding terminal surface of first lock point 4 is the cambered surface, so that reduce the contact surface of first lock point 4 and bearing roller 3, and then reduce frictional resistance between the two.

As a preferred example of the second lock point 5 in the present application, referring to fig. 1 to 3, the second lock point 5 is a bump structure, the protruding end surface of the bump structure is a spherical arc surface, the bump structure can form a point support with the bearing roller 3, and the contact surface of the bump structure and the bearing roller 3 is smaller, so that the second lock point 5 not only can play a role in supporting the fiber of the bearing roller 3, but also can effectively reduce friction resistance between the second lock point 5 and the bearing roller 3, and reduce noise generated by friction.

Further, the annular boss 301 is arranged on the circular end face, close to the second locking point 5, of the bearing roller 3, and the annular boss 301 abuts against the inner wall of the adjacent window hole 2 to limit, so that stability in the rotation process of the bearing roller 3 is further guaranteed.

Furthermore, the side wall of the second locking point 5 abuts against the inner wall of the annular boss 301, the annular boss 301 and the second locking point 5 form a fit, and the side wall of the second locking point 5 abuts against the inner wall of the annular boss 301, and meanwhile, the second locking point 5 abuts against the circular end face of the bearing roller 3, so that the bearing roller 3 can be prevented from falling off, vibration of the bearing roller 3 is further limited, and stability of the posture of the bearing roller 3 in the rotation process is guaranteed.

Furthermore, two groups of second locking points 5 are arranged, the two groups of second locking points 5 are positioned on the inner wall of the same side of the window hole 2, and the two groups of second locking points 5 are symmetrically arranged, so that the supporting effect of the second locking points 5 on the bearing roller 3 can be improved.

As another implementation manner of the second locking point 5 in the application, the second locking point 5 is of a strip-shaped flange structure, two groups of second locking points 5 are symmetrically arranged around the axis of the bearing roller 3 and are identical to the first locking point 4, and the second locking point 5 is of a strip-shaped flange structure, so that the stability of the support of the bearing roller 3 is further improved, on the other hand, the structural strength of the window hole 2 can be further improved through the strip-shaped flange structure, the structural degree of the frame body 1 is further improved, and the service life of the frame body 1 is prolonged.

As a preferred example of the bearing roller 3 in the present application, referring to fig. 1 and 2, the end portions of the bearing roller 3 are designed with chamfers, so that the bearing roller 3 is convenient to assemble, and the structural performance of the bearing roller 3 is also improved.

As a preferred embodiment of the application, the frame body 1, the window hole 2, the first locking point 4 and the second locking point 5 are integrally formed, and specifically, the integral structure formed by an injection molding process can be adopted, so that the structure has high strength, stable performance and longer service life.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a aligning roller bearing holder with lock point, includes support body and the window hole of arranging along support body circumference, the window hole is used for settling the bearing roller, its characterized in that, be equipped with first lock point and second lock point on the two side that the window hole is adjacent with two circular terminal surfaces of bearing roller respectively, first lock point and second lock point all offsets with two circular terminal surfaces of bearing roller.

2. The aligning roller bearing retainer with lock point according to claim 1, wherein both sides of the window hole parallel to the longitudinal direction of the bearing roller are provided with support slopes having tip support portions abutting against side walls of the bearing roller.

3. The self-aligning roller bearing retainer with lock points according to claim 1, wherein the first lock points are located on the central axis of the window hole, the first lock points are of a strip-shaped flange structure, and the protruding end faces of the first lock points are cambered surfaces.

4. The aligning roller bearing cage with lock point according to claim 1, wherein the second lock point is a bump structure, and a protruding end surface of the bump structure is a spherical cambered surface.

5. The self-aligning roller bearing retainer with lock point according to claim 1, wherein the bearing roller is provided with an annular boss on a circular end surface adjacent to the second lock point.

6. The self-aligning roller bearing retainer with lock point according to claim 5, wherein said second lock point side wall abuts against the annular boss inner wall.

7. The aligning roller bearing retainer with lock points according to claim 6, wherein two groups of second lock points are arranged, the two groups of second lock points are positioned on the inner wall of the same side of the window hole, and the two groups of second lock points are symmetrically arranged.

8. A self aligning roller bearing cage with lock point according to any of claims 1-7 wherein said bearing roller ends are all chamfer design.

9. The self-aligning roller bearing retainer with lock points according to claim 4, wherein said second lock points are in a strip-shaped flange structure, and two sets of said second lock points are symmetrically arranged about the axis of the bearing roller.

10. The self-aligning roller bearing retainer with lock point according to any of claims 1-7, wherein said cage body, window, first lock point and second lock point are integrally formed.