CN216343426U

CN216343426U - High-precision zirconia ceramic shaft sleeve

Info

Publication number: CN216343426U
Application number: CN202121149850.XU
Authority: CN
Inventors: 李向阳; 罗艳丽
Original assignee: Kunshan Xinfeilong Precision Ceramics Co ltd
Current assignee: Kunshan Xinfeilong Precision Ceramics Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-04-19
Anticipated expiration: 2031-05-26

Abstract

The utility model belongs to the field of engineering elements, and particularly relates to a high-precision zirconia ceramic shaft sleeve which comprises a support sleeve, a first shaft sleeve and a replacement unit, wherein the support sleeve is arranged on the first shaft sleeve; a first shaft sleeve is sleeved in the support sleeve; the support sleeve is provided with a replacement unit; the lower end of the supporting sleeve is fixedly connected with a fixing plate; the fixing plate is provided with a mounting hole; the functions of high-load stable support and convenient replacement of the wear surface shaft sleeve are realized, the problems of high overall replacement cost and small load of the traditional shaft sleeve are solved, the cost for replacing the shaft sleeve is reduced, and the load of the shaft sleeve is improved; the function of the outer surface of the replaceable shaft sleeve in a layered manner is realized, the problem of low overall replacement efficiency after the traditional shaft sleeve is abraded is solved, and the efficiency of replacing the shaft sleeve is improved.

Description

High-precision zirconia ceramic shaft sleeve

Technical Field

The utility model relates to the field of engineering elements, in particular to a high-precision zirconia ceramic shaft sleeve.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing; the shaft sleeve made of zirconia ceramics has high melting point and boiling point, high hardness and is an insulator at normal temperature, and can be used in occasions with high environmental requirements;

the existing shaft sleeves are all made of metal, although the cost is low, the manufacture is convenient, and the cost performance is higher.

However, the metal bushing is easily worn and needs to be replaced in the using process, but the whole replacement of the existing sleeve is troublesome to disassemble, and the replacement efficiency is low; therefore, a high-precision zirconia ceramic bushing is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art, but a metal bushing is easily worn in the using process and needs to be replaced, but the problems that the whole replacement of the existing bushing is troublesome to disassemble and the replacement efficiency is low are solved, the utility model provides the high-precision zirconia ceramic shaft sleeve.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a high-precision zirconia ceramic shaft sleeve which comprises a support sleeve, a first shaft sleeve and a replacing unit, wherein the support sleeve is fixedly connected with the first shaft sleeve; a first shaft sleeve is sleeved in the support sleeve; the support sleeve is provided with a replacement unit; the lower end of the supporting sleeve is fixedly connected with a fixing plate; the fixing plate is provided with a mounting hole; the replacing unit comprises a replacing lubricating hole and a fastening base rice; the replacement lubricating hole is formed in the supporting sleeve and the second shaft sleeve; the second shaft sleeve is sleeved on the support sleeve; the internal thread of the replacement lubricating hole is connected with fastening base rice.

Preferably, the lower surface of the fixing plate is provided with a mounting groove; a side surface protection piece is fixedly buckled in the mounting groove; the side protection member is made of vulcanized rubber.

Preferably, the side protector may also be made of zirconia.

Preferably, the supporting sleeve and the fixing plate are made of alloy steel.

Preferably, the inner surface of the support sleeve is provided with a mounting buckling groove; the mounting buckling groove is internally buckled and connected with a buckling reinforcing rib; the buckling reinforcing ribs are fixedly connected to the outer surface of the first shaft sleeve.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the support sleeve, the mounting buckling groove, the first shaft sleeve, the buckling reinforcing rib, the bearing fixing plate, the mounting hole and the mounting groove, the functions of high-load stable support and convenience for replacing the wear surface shaft sleeve are realized, the problems of high overall replacement cost and low load of the traditional shaft sleeve are solved, the cost for replacing the shaft sleeve is reduced, and the load of the shaft sleeve is improved;

2. according to the utility model, through the structural design of supporting the sleeve, replacing the lubricating hole, fastening the base rice and the second shaft sleeve, the function of replacing the worn outer surface of the shaft sleeve in a layered manner is realized, the problem of low overall replacement efficiency after the traditional shaft sleeve is worn is solved, and the efficiency of replacing the shaft sleeve is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

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

In the figure: 1. a support sleeve; 2. mounting a buckling groove; 3. a first bushing; 4. buckling the reinforcing ribs; 5. a fixing plate; 6. mounting holes; 7. mounting grooves; 8. a side protector; 9. replacing the lubricating hole; 10. fastening the basic rice; 11. and a second shaft sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

Example one

Referring to fig. 1-4, a high-precision zirconia ceramic bushing includes a support sleeve 1, a first bushing 3 and a replacing unit; a first shaft sleeve 3 is sleeved in the support sleeve 1; the support sleeve 1 is provided with a replacement unit; the lower end of the support sleeve 1 is fixedly connected with a fixed plate 5; the fixing plate 5 is provided with a mounting hole 6; the replacement unit comprises a replacement lubrication hole 9 and a fastening base rice 10; the replacement lubricating hole 9 is formed in the support sleeve 1 and the second shaft sleeve 11; the second shaft sleeve 11 is sleeved on the support sleeve 1; the internal thread of the replacement lubricating hole 9 is connected with a fastening base rice 10; when the bearing seat is in work, the second shaft sleeve 11 is convenient to disassemble and replace through the arranged replacing lubricating hole 9, so that the second shaft sleeve 11 can be partially replaced when the bearing seat is greatly abraded, the replacing cost is reduced, and meanwhile, the replacement is convenient; when the device works, the shaft sleeve can be conveniently replaced through the replacement unit, and the support made of metal and used for manufacturing the sleeve 1 can bear larger load under the action of bearing pressure;

referring to fig. 1-4, as an embodiment of the present invention, an installation groove 7 is formed on a lower surface of the fixing plate 5; a side surface protection piece 8 is fixedly buckled in the mounting groove 7; the side protection member 8 is made of vulcanized rubber; when the side protection piece 8 is in work, the side protection piece 8 can be stably fastened and fixedly connected through the mounting groove 7, so that the side protection piece 8 made of vulcanized rubber can prevent the fastener from loosening during rotation through the elastic deformation of the side protection piece 8 when the fastener is fixedly connected with the rotating shaft;

referring to fig. 1-4, as an embodiment of the present invention, the side protection member 8 may also be made of zirconia; in operation, the side protection 8 made of zirconia protects the fixing plate 5 when mounted by the fastener;

referring to fig. 1-4, as an embodiment of the present invention, the supporting sleeve 1 and the fixing plate 5 are made of alloy steel; during operation, support sleeve 1 and fixed plate 5 through alloy steel makes for the long service life of this axle sleeve can use in moist operational environment, and can carry out fixed mounting with the axis of rotation, realizes that more stable installation reduces the friction that vibrations produced.

Example two

Referring to fig. 1 to 4, in another embodiment of connection between a support sleeve 1 and a first shaft sleeve 3 in the first embodiment, an installation fastening groove 2 is formed on an inner surface of the support sleeve 1; the mounting buckling groove 2 is internally buckled and connected with a buckling reinforcing rib 4; the buckling reinforcing ribs 4 are fixedly connected to the outer surface of the first shaft sleeve 3; when the support sleeve works, the support sleeve 1 and the first shaft sleeve 3 are stably fixedly connected and the replacement function is considered through the buckling stable connection of the buckling reinforcing ribs 4 and the mounting buckling grooves 2, so that the first shaft sleeve 3 and the rotating shaft are stably fixed and can be conveniently replaced after being worn;

according to the working principle, the shaft sleeve can be conveniently replaced when replaced through the replacement unit, and meanwhile, under the action of pressure bearing of the support made of the metal sleeve 1, larger load can be borne; the second shaft sleeve 11 is convenient to disassemble and replace through the arranged replacement lubricating hole 9, so that the second shaft sleeve 11 can be partially replaced when the second shaft sleeve is greatly abraded by a bearing seat, the replacement cost is reduced, and meanwhile, the replacement is convenient; the side protection piece 8 can be stably buckled and fixedly connected through the mounting groove 7, so that when the side protection piece 8 made of vulcanized rubber is fixedly connected with the rotating shaft through a fastener, the fastener is prevented from loosening during rotation through the elastic deformation of the side protection piece 8; the side surface protection piece 8 made of zirconia can protect the fixing plate 5 from the supporting sleeve 1 and the fixing plate 5 made of alloy steel when being installed through a fastener, so that the shaft sleeve has long service life, can be used in a humid working environment, can be fixedly installed with a rotating shaft, and realizes more stable installation and reduces friction generated by vibration; through the lock stable connection of lock strengthening rib 4 and installation lock groove 2 for realize stable rigid coupling and compromise the function of changing between support sleeve 1 and the first axle sleeve 3, make the fixed stability of first axle sleeve 3 and axis of rotation, can conveniently change after wearing and tearing.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a high-accuracy zirconia ceramic axle sleeve which characterized in that: comprises a support sleeve (1), a first shaft sleeve (3) and a replacement unit; a first shaft sleeve (3) is sleeved in the support sleeve (1); the support sleeve (1) is provided with a replacement unit; the lower end of the support sleeve (1) is fixedly connected with a fixed plate (5); the fixing plate (5) is provided with a mounting hole (6); the replacement unit comprises a replacement lubrication hole (9) and a fastening base rice (10); the replacement lubricating hole (9) is formed in the supporting sleeve (1) and the second shaft sleeve (11); the second shaft sleeve (11) is sleeved on the support sleeve (1); the internal thread of the replacement lubricating hole (9) is connected with a fastening base rice (10).

2. The high-precision zirconia ceramic bushing according to claim 1, wherein: the lower surface of the fixing plate (5) is provided with a mounting groove (7); a side surface protection piece (8) is fixedly buckled in the mounting groove (7); the side protection (8) is made of vulcanized rubber.

3. The high-precision zirconia ceramic bushing according to claim 2, wherein: the side protection (8) may also be made of zirconium oxide.

4. A high precision zirconia ceramic bushing according to claim 3, wherein: the supporting sleeve (1) and the fixing plate (5) are made of alloy steel.

5. The high-precision zirconia ceramic bushing according to claim 1, wherein: the inner surface of the support sleeve (1) is provided with a mounting buckling groove (2); the mounting buckling groove (2) is internally buckled and connected with a buckling reinforcing rib (4); the buckling reinforcing ribs (4) are fixedly connected to the outer surface of the first shaft sleeve (3).