CN215487209U

CN215487209U - Lubricating type double-row cylindrical roller bearing

Info

Publication number: CN215487209U
Application number: CN202121790419.3U
Authority: CN
Inventors: 张明
Original assignee: Jiangsu Jingzhou Bearing Co ltd
Current assignee: Jiangsu Jingzhou Bearing Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-11
Anticipated expiration: 2031-08-02

Abstract

The utility model belongs to the technical field of double-row cylindrical roller bearings, and discloses a lubricating type double-row cylindrical roller bearing. This lubricated type double-row cylindrical roller bearing, including the inner ring, the outside of inner ring is provided with the holder, holder swing joint has cylindrical roller, the outside of holder is provided with the outer loop, just the equal swing joint of holder and cylindrical roller is in the inboard of outer loop, the front and the equal fixedly connected with oil filler point in the back of inner ring, oil filler point fixedly connected with oil storage chamber. This lubricated type double-row cylindrical roller bearing utilizes the inside movable block that sets up of lubricated mechanism, trapezoidal lug, spout, spring and goes out the cooperation of oil pipe and uses, can utilize cylindrical roller freely to control the oil output of inside lubricating oil when the motion, through the mode of producing oil of intermittent type formula, both can lubricate the use amount that inner structure also can control the resource, brings more profit spaces for the user simultaneously for the convenience.

Description

Lubricating type double-row cylindrical roller bearing

Technical Field

The utility model relates to the technical field of double-row cylindrical roller bearings, in particular to a lubricating type double-row cylindrical roller bearing.

Background

The rolling bodies are radial rolling bearings of cylindrical rollers. The inner structure of the cylindrical roller bearing adopts rollers which are arranged in parallel, a spacing retainer or a spacing block is arranged between the rollers, the inclination of the rollers or the mutual friction between the rollers can be prevented, and the increase of the rotating torque is effectively prevented. The cylindrical roller bearing is characterized in that one side of the inner ring and one side of the outer ring are provided with double flanges, and the ring on the other side is provided with a single flange, so that the cylindrical roller bearing can bear axial load in one direction to a certain degree. Steel stamped cages or copper alloy lathed solid cages are commonly used. However, a part of the bearings is formed by using polyamide, and the double-row cylindrical roller bearing belongs to a traveling bearing, and the separability of the bearings facilitates the installation and the disassembly. A tight fit may be used for both ferrules. The double-row cylindrical roller bearing hardly allows a tilt angle.

The existing double-row cylindrical roller bearing is troublesome to use due to the fact that friction force is increased after the bearing is used for a long time, the bearing can be damaged directly, the service life of the bearing is greatly shortened, and unnecessary trouble is caused while certain economic loss is brought to a user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lubricating type double-row cylindrical roller bearing, which solves the problems that the existing double-row cylindrical roller bearing is troublesome to use due to the fact that friction force is increased after the existing double-row cylindrical roller bearing is used for a long time, the bearing is possibly damaged directly, the service life of the bearing is greatly shortened, certain economic loss is brought to a user, and meanwhile unnecessary troubles are caused.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a lubricated type double-row cylindrical roller bearing, includes the inner ring, the outside of inner ring is provided with the holder, holder swing joint has cylindrical roller, the outside of holder is provided with the outer loop, just the equal swing joint of holder and cylindrical roller is in the inboard of outer loop, the front and the equal fixedly connected with oil filler point in the back of inner ring, oil filler point fixedly connected with oil storage chamber, oil storage chamber fixedly connected with lubricating mechanism.

Preferably, lubricating mechanism includes that the annular leads oil pipe, leads oil pocket, recess, movable block, trapezoidal lug, spout, spring, slider and goes out oil pipe, the middle part of inner ring is provided with the annular and leads oil pipe, oil pipe fixedly connected with leads the oil pocket is led to the annular, leads one side that the oil pocket is close to cylindrical roller to be provided with the recess, the inside swing joint of recess has the movable block, the movable block is close to the trapezoidal lug of one side fixedly connected with of cylindrical roller, the left and right sides of leading the oil pocket all is provided with the spout, the inside sliding connection of spout has the slider, the one end of the bottom fixedly connected with spring of slider, the other end fixed connection of spring is at the inner diapire of spout, the spout is kept away from the one end of leading one side fixedly connected with of oil pipe of oil pocket, the other end setting of going out oil pipe is in the inner ring outside.

Preferably, the number of the lubricating mechanisms is twelve, and the twelve lubricating mechanisms are arranged inside the inner ring in an annular array by taking the circle center of the inner ring as a midpoint.

Preferably, the top end of the trapezoidal lug extends out of the inner ring, and the top end of the trapezoidal lug is two millimeters higher than the tangent line of the opposite position of the inner ring.

Preferably, the number of the springs is twenty-four, the twenty-four springs are arranged corresponding to the lubricating mechanisms, and each lubricating mechanism is provided with two springs.

Preferably, the width of the movable block is smaller than the width of the oil guide cavity by one millimeter.

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

this lubricated type double-row cylindrical roller bearing utilizes the inside movable block that sets up of lubricated mechanism, trapezoidal lug, spout, spring and goes out the cooperation of oil pipe and uses, can utilize cylindrical roller freely to control the oil output of inside lubricating oil when the motion, through the mode of producing oil of intermittent type formula, both can lubricate the use amount that inner structure also can control the resource, brings more profit spaces for the user simultaneously for the convenience.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a right side view of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 2 in accordance with the present invention;

fig. 5 is an enlarged view of the utility model at a in fig. 4.

In the figure: 1 inner ring, 2 retainer, 3 cylindrical roller, 4 outer ring, 5 oil hole, 6 oil storage cavity, 7 lubricating mechanism, 701 annular oil guide pipe, 702 oil guide cavity, 703 groove, 704 movable block, 705 trapezoidal convex block, 706 sliding groove, 707 spring, 708 sliding block and 709 oil outlet pipe.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, the present invention provides a technical solution: a lubricating double-row cylindrical roller bearing comprises an inner ring 1, a retainer 2 is arranged on the outer side of the inner ring 1, cylindrical rollers 3 are movably connected with the retainer 2, an outer ring 4 is arranged on the outer side of the retainer 2, the retainer 2 and the cylindrical rollers 3 are movably connected on the inner side of the outer ring 4, oil injection holes 5 are fixedly connected on the front side and the back side of the inner ring 1, oil storage cavities 6 are fixedly connected with the oil injection holes 5, the oil storage cavities 6 are fixedly connected with lubricating mechanisms 7, the number of the lubricating mechanisms 7 is twelve, the twelve lubricating mechanisms 7 are annularly arrayed in the inner ring 1 by taking the circle center of the inner ring 1 as the midpoint, each lubricating mechanism 7 comprises an annular oil guide pipe 701, an oil guide cavity 702, a groove 703, a movable block 704, a trapezoidal convex block, a sliding groove 706, a spring 707, a sliding block 708 and an oil outlet pipe 709, an annular oil guide pipe 701 is arranged in the middle of the inner ring 1, and one end of an annular oil guide cavity 701 is fixedly connected with the oil guide pipe 701, a groove 703 is arranged on one side of the oil guide cavity 702 close to the cylindrical roller 3, a movable block 704 is movably connected inside the groove 703, the width of the movable block 704 is one millimeter smaller than that of the oil guide cavity 702, a trapezoidal bump 705 is fixedly connected on one side of the movable block 704 close to the cylindrical roller 3, the top end of the trapezoidal bump 705 extends out of the inner ring, the top end of the trapezoidal bump 705 is two millimeters higher than the tangent line of the opposite position of the inner ring 1, sliding grooves 706 are arranged on the left side and the right side of the oil guide cavity 702, a sliding block 708 is slidably connected inside the sliding grooves 706, one end of a spring 707 is fixedly connected to the bottom of the sliding block 708, the number of the springs 707 is twenty-four, twenty-four springs 707 are arranged corresponding to the lubricating mechanisms 7, two springs 707 are arranged on each lubricating mechanism 7, the other end of the spring 707 is fixedly connected to the inner bottom wall of the sliding groove 706, one end of an oil outlet pipe 709 is fixedly connected to one side of the sliding groove 706 away from the oil guide cavity 702, the other end of the oil outlet pipe 709 is arranged at the outer side of the inner ring 1, and by utilizing the matching use of the movable block 704, the trapezoidal convex block 705, the sliding groove 706, the spring 707 and the oil outlet pipe 709 which are arranged in the lubricating mechanism 7, the oil outlet amount of the internal lubricating oil can be freely controlled by utilizing the cylindrical roller 3 during the movement, and by an intermittent oil outlet mode, the internal structure can be lubricated, the use amount of resources can be controlled, and more profit spaces are brought to users while convenience is brought to the users.

When the lubricating double-row cylindrical roller bearing works, when the retainer 2 and the cylindrical roller 3 outside the inner ring 1 move, the cylindrical roller 3 rotates to the position above the trapezoidal bump 705 and presses down the trapezoidal bump 705, the movable block 704 is pressed down at the same time, the sliding block 708 moves down to block a hole of the oil outlet pipe 709 after the movable block 704 moves down, so that oil is prevented from being discharged all the time, resources are wasted, then after the cylindrical roller 3 leaves the position above the trapezoidal bump 705, the pressure of the spring 707 disappears, the sliding block 708 and the movable block 704 are jacked up, the trapezoidal bump 705 returns to the original position, oil inside the oil storage cavity 6 enters the oil guide cavity 702 through the annular oil guide pipe 701 and is finally discharged onto the cylindrical roller 3 through the oil outlet pipe 709, and the friction force is reduced, so that the bearing is more convenient to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lubricated double-row cylindrical roller bearing comprises an inner ring (1), and is characterized in that: the outside of inner ring (1) is provided with holder (2), holder (2) swing joint has cylindrical roller (3), the outside of holder (2) is provided with outer loop (4), just the equal swing joint in the inboard of outer loop (4) of holder (2) and cylindrical roller (3), the front and the equal fixedly connected with oil filler point in the back (5) of inner ring (1), oil filler point (5) fixedly connected with oil storage chamber (6), oil storage chamber (6) fixedly connected with lubricating mechanism (7).

2. The lubrication type double row cylindrical roller bearing according to claim 1, wherein: the lubricating mechanism (7) comprises an annular oil guide pipe (701), an oil guide cavity (702), a groove (703), a movable block (704), a trapezoidal convex block (705), a sliding groove (706), a spring (707), a sliding block (708) and an oil outlet pipe (709), the annular oil guide pipe (701) is arranged in the middle of the inner ring (1), the annular oil guide pipe (701) is fixedly connected with one end of the oil guide cavity (702), the groove (703) is arranged on one side of the oil guide cavity (702) close to the cylindrical roller (3), the movable block (704) is movably connected in the groove (703), the trapezoidal convex block (705) is fixedly connected on one side of the movable block (704) close to the cylindrical roller (3), the sliding grooves (706) are arranged on the left side and the right side of the oil guide cavity (702), the sliding block (708) is slidably connected in the sliding groove (706), and one end of the spring (707) is fixedly connected at the bottom of the sliding block (708), the other end of the spring (707) is fixedly connected to the inner bottom wall of the sliding groove (706), one side of the sliding groove (706) far away from the oil guide cavity (702) is fixedly connected with one end of an oil outlet pipe (709), and the other end of the oil outlet pipe (709) is arranged on the outer side of the inner ring (1).

3. The lubrication type double row cylindrical roller bearing according to claim 2, wherein: the number of the lubricating mechanisms (7) is twelve, and the twelve lubricating mechanisms (7) are annularly arrayed inside the inner ring (1) by taking the circle center of the inner ring (1) as a midpoint.

4. The lubrication type double row cylindrical roller bearing according to claim 3, wherein: the top end of the trapezoidal lug (705) extends out of the inner ring, and the top end of the trapezoidal lug (705) is two millimeters higher than the tangent line of the opposite position of the inner ring (1).

5. The lubrication type double row cylindrical roller bearing according to claim 4, wherein: the number of the springs (707) is twenty-four, the twenty-four springs (707) are arranged corresponding to the lubricating mechanisms (7), and two springs (707) are arranged on each lubricating mechanism (7).

6. The lubrication type double row cylindrical roller bearing according to claim 5, wherein: the width of the movable block (704) is smaller than the width of the oil guide cavity (702) by one millimeter.