CN212657127U

CN212657127U - Sealing structure of linear ball bearing

Info

Publication number: CN212657127U
Application number: CN202020496415.3U
Authority: CN
Inventors: 胡逢斌
Original assignee: Zhejiang Kaiyade Bearing Manufacturing Co ltd
Current assignee: Zhejiang Kaiyade Bearing Manufacturing Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-03-05
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a linear ball bearing's seal structure, including outer loop, steel ball and inner ring, circular spout has all been seted up on the upper portion of outer loop inner wall and the upper portion of inner ring inner wall, the inner chamber sliding connection of circular spout has first annular plate, one side fixedly connected with connecting block of keeping away from the steel ball of first annular plate, the opposite side fixedly connected with second annular plate of connecting block, annular spout has all been seted up at the upper and lower both ends of outer loop and inner ring, and one side fixedly connected with annular slider that second annular plate and connecting block are connected, annular slider and the inner chamber sliding connection of annular spout, outer loop include wearing layer, corrosion-resistant layer, high strength layer and substrate layer. The utility model discloses a wearing layer, corrosion-resistant layer, high strength layer, first annular slab, second annular slab, connecting block, annular slider and annular spout mutually support, have solved present linear ball bearing life weak point to sealed not good problem of effect.

Description

Sealing structure of linear ball bearing

Technical Field

The utility model relates to a linear ball bearing technical field specifically is a linear ball bearing's seal structure.

Background

The linear bearing is a linear motion system and is used for matching a linear stroke with a cylindrical shaft. Because the bearing ball is in point contact with the bearing outer sleeve, the steel ball rolls with the minimum friction resistance, so that the linear bearing has small friction and is relatively stable, does not change along with the bearing speed, and can obtain stable linear motion with high sensitivity and high precision.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a linear ball bearing's seal structure possesses long service life, and sealed effectual advantage, has solved present linear ball bearing life weak point to sealed not good problem of effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a linear ball bearing's seal structure, includes outer loop, steel ball and inner ring, circular spout has all been seted up on the upper portion of outer loop inner wall and the upper portion of inner ring inner wall, the inner chamber sliding connection of circular spout has first annular plate, one side fixedly connected with connecting block of keeping away from the steel ball of first annular plate, the opposite side fixedly connected with second annular plate of connecting block, annular spout has all been seted up at the upper and lower both ends of outer loop and inner ring, one side fixedly connected with annular slider that second annular plate and connecting block are connected, the inner chamber sliding connection of annular slider and annular spout, the outer loop includes wearing layer, corrosion-resistant layer, high strength layer and substrate layer.

Preferably, the wear-resistant layer is an alloy steel layer, and the corrosion-resistant layer is a nickel-chromium alloy layer.

Preferably, the high-strength layer is a carbon steel layer, and the base material layer is a steel plate layer.

Preferably, the wear-resistant layer and the high-strength layer are equal in thickness, the corrosion-resistant layer and the substrate layer are equal in thickness, and the wear-resistant layer is half of the corrosion-resistant layer in thickness.

Preferably, the inner wall of the outer ring and the outer wall of the inner ring are both provided with a track groove, the inner wall of the track groove is movably connected with the steel balls, the connecting block is annular, and the outer ring and the inner ring are made of the same material.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a wearing layer, good wearability has, thereby improve the wear-resisting effect of bearing, avoid the bearing wearing and tearing in long-time use, utilize the corrosion resistant layer, can improve the corrosion resistance of bearing, avoid the bearing to be corroded by outside material, thereby improve the life of bearing, utilize the high strength layer, can improve the intensity of bearing, avoid bearing in the use to receive exogenic action and damage, thereby can improve the life of bearing, utilize circular spout and first annular plate, can play sealed effect, and at the second annular plate, the connecting block, under the cooperation of annular slider and annular spout, can make the bearing have two-layer seal structure, thereby further improve the leakproofness of bearing, it is short to have solved present linear ball bearing life, and the not good problem of sealed effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic diagram of the outer ring structure of the present invention.

In the figure: 1. an outer ring; 101. a wear layer; 102. a corrosion-resistant layer; 103. a high-strength layer; 104. a substrate layer; 2. steel balls; 3. a circular chute; 4. a first annular plate; 5. a second annular plate; 6. connecting blocks; 7. an annular slider; 8. a track groove; 9. an annular chute; 10. an inner ring.

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 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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

The utility model discloses an outer loop 1, wearing layer 101, corrosion-resistant layer 102, high strength layer 103, substrate layer 104, steel ball 2, circular spout 3, first annular slab 4, second annular slab 5, connecting block 6, annular slider 7, track groove 8, annular spout 9 and inner ring 10 part are the general standard or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a sealing structure of a linear ball bearing comprises an outer ring 1, steel balls 2 and an inner ring 10, wherein circular chutes 3 are respectively formed on the upper portion of the inner wall of the outer ring 1 and the upper portion of the inner wall of the inner ring 10, an inner cavity of each circular chute 3 is slidably connected with a first annular plate 4, one side of each first annular plate 4, which is far away from the steel balls 2, is fixedly connected with a connecting block 6, the other side of each connecting block 6 is fixedly connected with a second annular plate 5, the upper and lower ends of the outer ring 1 and the inner ring 10 are respectively provided with an annular chute 9, one side of each second annular plate 5, which is connected with the connecting block 6, is fixedly connected with an annular slider 7, the annular slider 7 is slidably connected with the inner cavity of the annular chute 9, the outer ring 1 comprises a wear-resistant layer 101, a corrosion-resistant layer 102, a high-strength layer 103, the base material layer 104 is a steel plate layer, the thicknesses of the wear-resistant layer 101 and the high-strength layer 103 are equal, the thicknesses of the corrosion-resistant layer 102 and the base material layer 104 are equal, the thickness of the wear-resistant layer 101 is half of that of the corrosion-resistant layer 102, the inner wall of the outer ring 1 and the outer wall of the inner ring 10 are both provided with the track groove 8, the inner wall of the track groove 8 is movably connected with the steel ball 2, the connecting block 6 is annular, the outer ring 1 and the inner ring 10 are made of the same material, and the wear-resistant layer 101 has good wear resistance, so that the wear-resistant effect of the bearing is improved, the bearing is prevented from being worn in a long-time use process, the corrosion resistance of the bearing can be improved by utilizing the corrosion-resistant layer 102, the bearing is prevented from being corroded by external substances, the service life of the bearing is prolonged, the strength of the bearing can be improved by, utilize circular spout 3 and first annular plate 4, can play sealed effect to under the cooperation of second annular plate 5, connecting block 6, annular slider 7 and annular spout 9, can make the bearing have two-layer seal structure, thereby further improve the leakproofness of bearing, solved present linear ball bearing life weak point, and sealed not good problem of effect.

When in use, the wear-resistant layer 101 has good wear resistance, thereby improving the wear-resistant effect of the bearing and avoiding the bearing from being worn in the long-time use process, the corrosion-resistant layer 102 can improve the corrosion resistance of the bearing and avoid the bearing from being corroded by external substances, thereby prolonging the service life of the bearing, improving the strength of the bearing by utilizing the high-strength layer 103, avoiding the bearing from being damaged by external force during the use process, thereby prolonging the service life of the bearing, playing a role of sealing by utilizing the circular chute 3 and the first annular plate 4, and under the cooperation of the second annular plate 5, the connecting block 6, the annular slide block 7 and the annular sliding groove 9, the bearing can have a two-layer sealing structure, thereby further improve the leakproofness of bearing, solved present linear ball bearing life weak point to sealed not good problem of effect.

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

Claims

1. The utility model provides a linear ball bearing's seal structure, includes outer ring (1), steel ball (2) and inner ring (10), its characterized in that: circular spout (3) have all been seted up on the upper portion of outer ring (1) inner wall and the upper portion of inner ring (10) inner wall, the inner chamber sliding connection of circular spout (3) has first annular plate (4), one side fixedly connected with connecting block (6) of keeping away from steel ball (2) of first annular plate (4), opposite side fixedly connected with second annular plate (5) of connecting block (6), annular spout (9) have all been seted up at the upper and lower both ends of outer ring (1) and inner ring (10), one side fixedly connected with annular slider (7) that second annular plate (5) and connecting block (6) are connected, annular slider (7) and the inner chamber sliding connection of annular spout (9), outer ring (1) includes wearing layer (101), corrosion-resistant layer (102), high strength layer (103) and substrate layer (104).

2. A sealing structure of a linear ball bearing according to claim 1, wherein: the wear-resistant layer (101) is an alloy steel layer, and the corrosion-resistant layer (102) is a nickel-chromium alloy layer.

3. A sealing structure of a linear ball bearing according to claim 1, wherein: the high-strength layer (103) is a carbon steel layer, and the base material layer (104) is a steel plate layer.

4. A sealing structure of a linear ball bearing according to claim 1, wherein: the wear-resistant layer (101) and the high-strength layer (103) are equal in thickness, the corrosion-resistant layer (102) and the base material layer (104) are equal in thickness, and the thickness of the wear-resistant layer (101) is half of the thickness of the corrosion-resistant layer (102).

5. A sealing structure of a linear ball bearing according to claim 1, wherein: track groove (8) have all been seted up to the inner wall of outer ring (1) and the outer wall of inner ring (10), track groove (8) inner wall and steel ball (2) swing joint, connecting block (6) are the annular, the material of outer ring (1) and inner ring (10) is the same.