CN218408159U - Roller bearing of dust-protection type low friction moment - Google Patents

Abstract

The utility model discloses a roller bearing of low friction torque of dust-protection type belongs to starch production technical field, and it includes inner race ring, outer race ring and holder, the holder internal rotation is connected with a plurality of bearing roller, and bearing roller both ends fixed mounting has a pivot, the pivot is connected with the holder rotation, the bearing roller outside is connected and is installed the go-between, and the go-between rotates with inner race ring and outer race ring respectively and is connected, the holder both sides have the link through threaded connection, and link outside fixed mounting has the outer casing, outer casing inboard fixed mounting has the dust cage, and the dust cage outside is equipped with the rotating block; the utility model discloses, also reduced frictional force by a wide margin when dustproof, it is the practicality to have certain.

Description

Roller bearing of dust-protection type low friction moment

Technical Field

The utility model relates to a starch production technical field especially relates to a roller bearing of low friction torque of dust-protection type.

Background

The roller bearing is one of rolling bearings, is one of the parts widely used in modern machinery, and supports the rotating parts by means of rolling contact between main elements, and is mostly standardized, and has the advantages of small moment required for starting, high rotating precision, convenient selection and the like. The roller bearing is generally composed of an inner ring, an outer ring, a retainer and rollers, plays a role in radially supporting the rotor and reducing friction, and is widely applied to rotary machinery. The friction moment is an important factor influencing the working energy consumption, reliability and service life of the bearing, and is one of important indexes for measuring the performance of the bearing. In addition, in order to meet market demands, the existing roller bearing is generally optimized in terms of how to rotate better and how to facilitate users to use, and whether dust can be well prevented is often ignored, so that dust is easily accumulated after long-term use, and friction force is increased.

For this purpose, we propose a dust-proof low friction torque roller bearing.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a roller bearing of low friction torque of dust type has overcome prior art's not enough, aims at solving the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a roller bearing of low friction torque of dust type, includes inner race ring, outer race ring and holder, the holder internal rotation is connected with a plurality of bearing roller, and bearing roller both ends fixed mounting has the pivot, the pivot rotates with the holder to be connected, the go-between is installed in the connection of the bearing roller outside, and the go-between rotates with inner race ring and outer race ring respectively to be connected, there is the link holder both sides through threaded connection, and link holder outside fixed mounting has the outer casing, the inboard fixed mounting of outer casing has the dust frame, and the dust frame outside is equipped with rotatory piece.

As a preferred technical scheme of the utility model, there is the clearance between bearing roller both sides and the holder, and the width in clearance will be less than the length of pivot, reduces the area of contact between bearing roller and the holder, has reduced the frictional force between bearing roller and the holder.

As a preferred technical scheme of the utility model, the go-between in the bearing roller outside respectively has two sets ofly, and all set up in interior race ring and the outer race ring with the swivelling chute of go-between adaptation, there is the clearance between bearing roller and interior race ring and the outer race ring, and the length in clearance will be less than the distance of go-between internal diameter to external diameter, has reduced the contact surface between bearing roller and interior race ring and the outer race ring, has reduced the bearing roller when rotatory and the frictional force that produces between interior race ring and the outer race ring.

As the utility model discloses a preferred technical scheme, the link adopts the design of annular structure, and fixed mounting has two hickey, set up the thread groove rather than the adaptation in the holder outside, utilize hickey to connect, the dismouting of being convenient for conveniently maintains and the clearance work.

As the utility model discloses an optimal technical scheme, the internal diameter of outer casing will be greater than the internal diameter of inner bearing circle, avoids outer casing and connecting axle contact to increase frictional force, and the outer casing adopts transparent plastic to make, conveniently confirms the working condition of holder and bearing roller through the outer casing.

As a preferred technical scheme of the utility model, the inboard dustproof frame of outer casing respectively has two sets ofly, and is the annular structure design, the spread groove with dustproof frame adaptation is seted up to inner race ring and outer race ring both sides, and meets with the tip of dustproof frame, both can effectively prevent that the dust from getting into inside the bearing, and has also reduced the frictional force between dustproof frame and inner race ring and the outer race ring.

As a preferred technical scheme of the utility model, rotatory piece in the outer protecting plate all has two sets ofly, rotatory piece adopts built-in design, and is the symmetrical formula and distributes, neither influences the normal work of bearing, and the convenient external protecting plate of dismantling again.

The utility model has the advantages that:

the utility model discloses, roller bearing accomplishes through bearing roller's rotation at the during operation, and bearing roller is not direct and interior race ring when rotatory, outer race ring and holder contact, but contact through pivot and go-between, compare in bearing roller's direct contact, area of contact has significantly reduced, thereby frictional force is reduced, can Europe play the effect of a low frictional force, and be equipped with the outer casing, the cooperation dustproof frame can interior race ring, the junction of outer race ring and holder seals, the entering of dust has been avoided, fine dustproof effect has been played, and the dismouting of being convenient for, certain practicality has.

Drawings

Fig. 1 is a schematic view of the 3D structure of the present invention;

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

fig. 3 is a schematic front structural view of the present invention;

fig. 4 is a schematic side view of the present invention.

In the figure: 1. an inner bearing ring; 2. an outer bearing ring; 3. a cage; 4. a bearing roller; 5. a rotating shaft; 6. a connecting ring; 7. a connecting frame; 8. an outer shroud; 9. a dust-proof frame; 10. the block is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a roller bearing with a dust-proof low friction torque includes an inner bearing ring 1, an outer bearing ring 2 and a retainer 3, wherein a plurality of bearing rollers 4 are rotatably connected in the retainer 3, rotating shafts 5 are fixedly mounted at two ends of the bearing rollers 4, the rotating shafts 5 are rotatably connected with the retainer 3, connecting rings 6 are connected to outer sides of the bearing rollers 4, the connecting rings 6 are rotatably connected with the inner bearing ring 1 and the outer bearing ring 2 respectively, connecting frames 7 are connected to two sides of the retainer 3 through threads, an outer guard plate 8 is fixedly mounted on an outer side of the connecting frames 7, a dust-proof frame 9 is fixedly mounted on an inner side of the outer guard plate 8, and a rotating block 10 is disposed on an outer side of the dust-proof frame 9.

In this embodiment, there are gaps between two sides of the bearing roller 4 and the retainer 3, and the width of the gap is smaller than the length of the rotating shaft 5, so as to reduce the contact area between the bearing roller 4 and the retainer 3, and reduce the friction force between the bearing roller 4 and the retainer 3, two sets of connecting rings 6 are respectively arranged on the outer side of the bearing roller 4, and the inner bearing ring 1 and the outer bearing ring 2 are both provided with rotating grooves adapted to the connecting rings 6, there are gaps between the bearing roller 4 and the inner bearing ring 1 as well as between the bearing roller 4 and the outer bearing ring 2, and the length of the gap is smaller than the distance from the inner diameter to the outer diameter of the connecting rings 6, so as to reduce the contact surface between the bearing roller 4 and the inner bearing ring 1 as well as between the bearing ring 2 during rotation, the connecting frame 7 adopts an annular structure design, and is fixedly provided with two screw connectors, the outer side of the retainer 3 is provided with a thread groove matched with the retainer, the thread groove is connected by a threaded connector for convenient disassembly and assembly and convenient maintenance and cleaning, the inner diameter of the outer guard plate 8 is larger than that of the inner bearing ring 1, the outer guard plate 8 is prevented from contacting with a connecting shaft, thereby increasing friction force, the outer guard plate 8 is made of transparent plastic, the working conditions of the retainer 3 and the bearing roller 4 are convenient to confirm through the outer guard plate 8, two groups of dustproof frames 9 at the inner side of the outer guard plate 8 are respectively designed in an annular structure, two sides of the inner bearing ring 1 and the outer bearing ring 2 are provided with connecting grooves matched with the dustproof frames 9 and connected with the end parts of the dustproof frames 9, thereby not only effectively preventing dust from entering the bearing, but also reducing the friction force between the dustproof frames 9 and the inner bearing ring 1 and the outer bearing ring 2, two groups of rotating blocks 10 in the outer guard plate 8, the rotating blocks 10 are designed in a built-in mode and distributed symmetrically, normal work of the bearing is not affected, and the outer protective plate 8 is convenient to detach.

The working principle is as follows: during the use, need be connected connecting axle and 1 inboard of interior race ring, drive interior race ring 1 through the connecting axle and rotate, interior race ring 1 makes the go-between 6 that meets rather than drive bearing roller 4 and rotate in 2 inboards of outer race ring in rotatory, and bearing roller 4 utilizes pivot 5 to rotate in link 7 to accomplish work, outer casing 8 then cooperates dustproof frame 9 to block the dust, carries out dustproof work.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. 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 (7)

1. The utility model provides a roller bearing of low friction moment of dust-protection, includes inner race (1), outer race (2) and holder (3), its characterized in that, holder (3) internal rotation is connected with a plurality of bearing roller (4), and bearing roller (4) both ends fixed mounting has pivot (5), pivot (5) rotate with holder (3) and are connected, bearing roller (4) outside is connected and is installed go-between (6), and go-between (6) rotate with inner race (1) and outer race (2) respectively and be connected, there are link (7) holder (3) both sides through threaded connection, and link (7) outside fixed mounting has outer casing (8), outer casing (8) inboard fixed mounting has dust rack (9), and the dust rack (9) outside is equipped with rotatory piece (10).

2. The roller bearing with low friction torque of claim 1, wherein a gap exists between both sides of the bearing roller (4) and the retainer (3), and the width of the gap is smaller than the length of the rotating shaft (5).

3. The roller bearing of claim 1, characterized in that there are two sets of connecting rings (6) outside the bearing rollers (4), and the inner bearing ring (1) and the outer bearing ring (2) are both provided with a rotating groove adapted to the connecting rings (6), there are gaps between the bearing rollers (4) and the inner bearing ring (1) and the outer bearing ring (2), and the length of the gap is less than the distance from the inner diameter to the outer diameter of the connecting rings (6).

4. The roller bearing of claim 1, characterized in that the connecting frame (7) is designed to be an annular structure and fixedly provided with two screw interfaces, and the outer side of the retainer (3) is provided with a screw groove adapted to the retainer.

5. The roller bearing with low friction torque and dust protection according to claim 1, wherein the inner diameter of the outer shield (8) is larger than the inner diameter of the inner bearing ring (1), and the outer shield (8) is made of transparent plastic.

6. The roller bearing with the dust-proof and the low friction torque as claimed in claim 1, wherein the inner side of the outer guard plate (8) has two sets of dust-proof frames (9) and is designed to be of an annular structure, and the two sides of the inner bearing ring (1) and the outer bearing ring (2) are provided with connecting grooves adapted to the dust-proof frames (9) and connected to the end portions of the dust-proof frames (9).

7. The roller bearing of claim 1, wherein there are two sets of rotating blocks (10) in the outer shield (8), and the rotating blocks (10) are designed in a built-in manner and distributed symmetrically.

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