CN216519214U

CN216519214U - Rust-proof cylindrical roller

Info

Publication number: CN216519214U
Application number: CN202122810230.2U
Authority: CN
Inventors: 冷娜; 梁克振; 梁继勇
Original assignee: Wafangdian Juda Bearing Manufacturing Co ltd
Current assignee: Wafangdian Juda Bearing Manufacturing Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-13
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses an antirust cylindrical roller, which belongs to the technical field of bearing accessories and comprises an upper cylinder body, wherein the lower surface of the upper cylinder body is in lap joint with the upper surface of a lower cylinder body, the lower surface of the upper cylinder body and the upper surface of the lower cylinder body are respectively provided with two first spherical grooves and two second spherical grooves, and two first balls are respectively arranged in the two first spherical grooves on the left side and the two first spherical grooves on the right side. This rust-resistant type cylindrical roller, through setting up the mounting, go up the cylinder, the cylinder down, first ball and second ball, then the rolling characteristic through the second ball, can reduce and the flange between the frictional force, and then improve the smoothness nature of going up cylinder and cylinder down, reduce its wearing and tearing, can realize the dismantlement operation of going up cylinder and cylinder down through the mounting simultaneously, and then be convenient for carry out the work of separation and change, the use of inside first ball and second ball has been ensured, thereby can reduce the waste of material.

Description

Rust-proof cylindrical roller

Technical Field

The utility model belongs to the technical field of bearing accessories, and particularly relates to an antirust cylindrical roller.

Background

The bearing cylindrical roller in use at present solves the problem of easy corrosion, but two end faces of the bearing cylindrical roller are of a planar structure, in use, the two end faces of the cylindrical roller are in planar contact with the inner ring flange and the inner retaining ring flange of the outer ring flange, the contact area is large, and large friction exists between the end face of the roller and the flange, so that the bearing is large in running power consumption, the abrasion of the end face of the roller and the flange is serious, the service life of the bearing is influenced, in addition, the cylindrical roller is of a solid structure, when the surface of the cylindrical roller is greatly abraded, the whole cylindrical roller is discarded, and waste is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the utility model provides an antirust cylindrical roller, which solves the problems that two end faces of a cylindrical roller of a bearing in use are both in a plane structure, in use, the two end faces of the cylindrical roller are in plane contact with a rib of an inner ring, a rib of an outer ring and a rib of an inner retainer ring, the contact area is large, and large friction exists between the end face of the roller and the rib, so that the power consumption of the bearing in operation is large, the end face of the roller and the rib are seriously abraded, the service life of the bearing is influenced, and in addition, the whole cylindrical roller is discarded when the surface of the cylindrical roller is greatly abraded due to the solid structure, and the waste is caused.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an antirust cylindrical roller, includes the cylinder, go up the lower surface of cylinder and the upper surface overlap joint of cylinder down, two first spherical grooves and two spherical grooves of second have all been seted up to the lower surface of going up the cylinder and the upper surface of cylinder down, two in the left side be provided with two first balls in two first spherical grooves on first spherical groove and the right side respectively, two in the left side be provided with two second balls in two spherical grooves of second and the two spherical grooves of right side respectively, the screw has been seted up to the upper surface of going up the cylinder, the thread groove has been seted up to the upper surface of cylinder down, be provided with same mounting in thread groove and the screw.

As a further scheme of the utility model: the lower surface of the upper cylinder is fixedly connected with the top ends of the four limiting rods respectively, the upper surface of the lower cylinder is provided with four limiting grooves, and the four limiting grooves correspond to the four limiting rods respectively.

As a further scheme of the utility model: the inner diameter of the first spherical groove is smaller than that of the second spherical groove.

As a further scheme of the utility model: the fixing piece comprises a bolt, the bolt is in threaded connection with the screw hole and the thread groove, and a cover body is arranged at the top end of the bolt.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. this rust-resistant type cylindrical roller, through setting up the mounting, go up the cylinder, the cylinder down, first ball and second ball, then the rolling characteristic through the second ball, can reduce and the flange between the frictional force, and then improve the smoothness nature of going up cylinder and cylinder down, reduce its wearing and tearing, can realize the dismantlement operation of going up cylinder and cylinder down through the mounting simultaneously, and then be convenient for carry out the work of separation change, the use of inside first ball and second ball has been ensured, thereby can reduce the waste of material.

2. This rust-resistant type cylindrical roller, through setting up first spherical groove, the first ball of the spherical groove of second and second ball for first spherical groove and the spherical groove of second can be respectively to the operation of depositing of first ball and second ball, ensured the laminating operation of last cylinder and lower cylinder, guaranteed normal input and use, can play the supporting role of last cylinder and lower cylinder through first ball and second ball simultaneously, reduce the problem of the deformation damage that stress caused.

3. This rust-resistant type cylindrical roller through setting up gag lever post and spacing groove for four gag lever posts can insert four spacing inslots respectively, thereby can play the effect of connecting to last cylinder and lower cylinder, have guaranteed the firm nature of going up cylinder and lower cylinder connection, can reduce the stress that the bolt bore simultaneously, avoid the bolt fracture to cause the difficult problem of using of bearing.

Drawings

FIG. 1 is a schematic illustration of a three-dimensional explosive structure according to the present invention;

FIG. 2 is a schematic view of the assembled structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic cross-sectional view of the present invention from above;

in the figure: the device comprises an upper column 1, a lower column 2, a fixing piece 3, a cover 31, a 32 bolt, a 4 screw hole, a 5 thread groove, a 6 first spherical groove, a 7 second spherical groove, a 8 second ball, a 9 limiting groove, a 10 limiting rod and a 11 first ball.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: an antirust cylindrical roller comprises an upper cylinder body 1, wherein the lower surface of the upper cylinder body 1 is in lap joint with the upper surface of a lower cylinder body 2, the lower surface of the upper cylinder body 1 and the upper surface of the lower cylinder body 2 are respectively provided with two first spherical grooves 6 and two second spherical grooves 7, the first spherical grooves 6 and the second spherical grooves 7 can accommodate first balls 11 and second balls 8 by arranging the first spherical grooves 6 and the second spherical grooves 7, the combination work of the upper cylinder body 1 and the lower cylinder body 2 is ensured, the two first balls 11 are respectively arranged in the two first spherical grooves 6 at the left side and the two first spherical grooves 6 at the right side, the two second spherical grooves 7 at the left side and the two second spherical grooves 7 at the right side, the first balls 11 and the second balls 8 are respectively arranged in the two first spherical grooves 7 at the left side and the two second spherical grooves 7 at the right side, and the first balls 11 and the second balls 8 can support the upper cylinder body 1 and the lower cylinder body 2, therefore, the stress of the upper column body 1 and the lower column body 2 can be improved, the screw hole 4 is formed in the upper surface of the upper column body 1, the thread groove 5 is formed in the upper surface of the lower column body 2, and the same fixing piece 3 is arranged in the thread groove 5 and the screw hole 4.

Specifically, as shown in fig. 1 and 3, the lower surface of the upper cylinder 1 is fixedly connected to the top ends of four position-limiting rods 10, respectively, the upper surface of the lower cylinder 2 is provided with four position-limiting grooves 9, by providing the position-limiting rods 10 and the position-limiting grooves 9, the four position-limiting rods 10 can be inserted into the four position-limiting grooves 9, respectively, so as to connect the upper cylinder 1 and the lower cylinder 2, thereby ensuring the connection reliability of the upper cylinder 1 and the lower cylinder 2, reducing the stress borne by the bolt 32, and avoiding the problem that the bearing is difficult to use due to the fracture of the bolt 32, the four position-limiting grooves 9 correspond to the four position-limiting rods 10, respectively, the inner diameter of the first spherical groove 6 is smaller than that of the second spherical groove 7, and by setting the inner diameter of the second spherical groove 7 to be larger than that of the first spherical groove 6, the second ball 8 can smoothly roll, and further, the friction force can be reduced by the rolling of the second ball 8, guarantee the life of roller, mounting 3 includes bolt 32, through setting up bolt 32, make bolt 32 screw in screw 4 and thread groove 5 in, thereby can lock the work of going up cylinder 1 and lower cylinder 2, the firm nature of going up cylinder 1 and lower cylinder 2 has been improved, bolt 32 threaded connection is in screw 4 and thread groove 5, the top of bolt 32 is provided with lid 31, through setting up lid 31, and then can cover bolt 32, play confined effect.

The working principle of the utility model is as follows:

s1, when detaching, firstly, the cover 31 is opened, then the bolt 32 is rotated to move the bolt 32 upwards, so that the bolt 32 is separated from the thread groove 5, at this time, the upper column body 1 and the lower column body 2 can be separated, the first ball 11 and the second ball 8 are taken out, and then the upper column body 1 and the lower column body 2 are replaced with new ones;

s2, if the second ball bearing 8 is not seriously abraded, the ball bearing is continuously put into use, and at the moment, the first ball bearing 11 and the second ball bearing 8 are respectively arranged in the first spherical groove 6 and the second spherical groove 7;

s3, combining the upper column 1 and the lower column 2, inserting the limit rod 10 into the limit groove 9, rotating the bolt 32 to move downward, making the bolt 32 pass through the screw hole 4 and screw into the thread groove 5, and after the bolt 32 is locked, sealing the upper part of the screw hole 4 with the cover 31.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides an anti-rust type cylindrical roller, includes cylinder (1), its characterized in that: go up the lower surface of cylinder (1) and the upper surface overlap joint of lower cylinder (2), two first spherical grooves (6) and two spherical grooves of second (7) have all been seted up to the lower surface of going up cylinder (1) and the upper surface of lower cylinder (2), two in the left side be provided with two first ball (11) in two first spherical grooves of first spherical groove (6) and right side (6) respectively, two in the left side be provided with two ball of second (8) in two spherical grooves of second (7) and right side (7) respectively, screw (4) have been seted up to the upper surface of going up cylinder (1), thread groove (5) have been seted up to the upper surface of lower cylinder (2), be provided with same mounting (3) in thread groove (5) and screw (4).

2. The rust-preventive cylindrical roller according to claim 1, characterized in that: the lower surface of the upper cylinder (1) is fixedly connected with the top ends of the four limiting rods (10) respectively, the upper surface of the lower cylinder (2) is provided with four limiting grooves (9), and the four limiting grooves (9) correspond to the positions of the four limiting rods (10) respectively.

3. The rust-preventive cylindrical roller according to claim 1, characterized in that: the inner diameter of the first spherical groove (6) is smaller than that of the second spherical groove (7).

4. The rust-preventive cylindrical roller according to claim 1, characterized in that: the fixing piece (3) comprises a bolt (32), the bolt (32) is connected in a screw hole (4) and a thread groove (5) in a threaded mode, and a cover body (31) is arranged at the top end of the bolt (32).